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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
6f7da29 | Linus Torvalds | 02 July 2017, 23:07:02 UTC | Linux 4.12 | 02 July 2017, 23:07:02 UTC |
401e000 | Sylvain 'ythier' Hitier | 02 July 2017, 13:21:56 UTC | moduleparam: fix doc: hwparam_irq configures an IRQ Signed-off-by: Sylvain 'ythier' Hitier <sylvain.hitier@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 02 July 2017, 22:37:23 UTC |
79c4968 | Linus Torvalds | 02 July 2017, 18:53:44 UTC | Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus Pull MIPS fixes from Ralf Baechle: "Here's a final round of fixes for 4.12: - Fix misordered instructions in assembly code making kenel startup via UHB unreliable. - Fix special case of MADDF and MADDF emulation. - Fix alignment issue in address calculation in pm-cps on 64 bit. - Fix IRQ tracing & lockdep when rescheduling - Systems with MAARs require post-DMA cache flushes. The reordering fix and the MADDF/MSUBF fix have sat in linux-next for a number of days. The others haven't propagated from my pull tree to linux-next yet but all have survived manual testing and Imagination's automated test system and there are no pending bug reports" * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: Avoid accidental raw backtrace MIPS: Perform post-DMA cache flushes on systems with MAARs MIPS: Fix IRQ tracing & lockdep when rescheduling MIPS: pm-cps: Drop manual cache-line alignment of ready_count MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately MIPS: head: Reorder instructions missing a delay slot | 02 July 2017, 18:53:44 UTC |
3a61a54 | Linus Torvalds | 02 July 2017, 17:09:40 UTC | Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm Pull ARM fix from Russell King: "One final fix for 4.12 - Doug found a boot failure case triggered by requesting a non-even MB vmalloc size" * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 8685/1: ensure memblock-limit is pmd-aligned | 02 July 2017, 17:09:40 UTC |
e18aca0 | Linus Torvalds | 01 July 2017, 16:10:17 UTC | Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Thomas Gleixner: "Fixlets for x86: - Prevent kexec crash when KASLR is enabled, which was caused by an address calculation bug - Restore the freeing of PUDs on memory hot remove - Correct a negated pointer check in the intel uncore performance monitoring driver - Plug a memory leak in an error exit path in the RDT code" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/intel_rdt: Fix memory leak on mount failure x86/boot/KASLR: Fix kexec crash due to 'virt_addr' calculation bug x86/boot/KASLR: Add checking for the offset of kernel virtual address randomization perf/x86/intel/uncore: Fix wrong box pointer check x86/mm/hotplug: Fix BUG_ON() after hot-remove by not freeing PUD | 01 July 2017, 16:10:17 UTC |
a527bf6 | Linus Torvalds | 01 July 2017, 15:46:52 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fix from Thomas Gleixner: "The last fix for perf for this cycles: - Prevent a segfault when kernel.kptr_restrict=2 is set by avoiding a null pointer dereference" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf machine: Fix segfault for kernel.kptr_restrict=2 | 01 July 2017, 15:46:52 UTC |
46589d7 | Linus Torvalds | 01 July 2017, 15:39:13 UTC | Merge tag 'pinctrl-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pinctrl fix from Linus Walleij: "Brian noticed that this regression has not got a proper fix for the entire merge window and consequently we need to revert the offending commit. It's part of the RT-mainstream work, the dance goes like this, two steps forward, one step back. Summary: - A last fix for v4.12, an IRQ problem reported early in the merge window appears not to have been properly fixed, so the offending commit will be reverted and we will find the proper fix for v4.13. Hopefully" * tag 'pinctrl-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: Revert "pinctrl: rockchip: avoid hardirq-unsafe functions in irq_chip" | 01 July 2017, 15:39:13 UTC |
fc93274 | Linus Torvalds | 01 July 2017, 15:24:54 UTC | Merge tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull last minute fixes for GPIO from Linus Walleij: - Fix another ACPI problem with broken BIOSes. - Filter out the right GPIO events, making a very user-visible bug go away. * tag 'gpio-v4.12-4' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: acpi: Skip _AEI entries without a handler rather then aborting the scan gpiolib: fix filtering out unwanted events | 01 July 2017, 15:24:54 UTC |
c0a0c7a | Linus Torvalds | 01 July 2017, 00:18:57 UTC | Merge tag 'trace-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull last-minute tracing fixes from Steven Rostedt: "Two fixes: One is for a crash when using the :mod: trace probe command into stack_trace_filter. This bug was introduced during the last merge window. The other was there forever. It's a small bug that makes it impossible to name a module function for kprobes when the module starts with a digit" * tag 'trace-v4.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/kprobes: Allow to create probe with a module name starting with a digit ftrace: Fix regression with module command in stack_trace_filter | 01 July 2017, 00:18:57 UTC |
fbd5762 | Zack Weinberg | 14 June 2017, 15:14:28 UTC | uapi/linux/a.out.h: don't use deprecated system-specific predefines. uapi/linux/a.out.h uses a number of predefined macros that are deprecated because they're in the application namespace (e.g. '#ifdef linux' instead of '#ifdef __linux__'). This patch either corrects or just removes them if they are not applicable to Linux. The primary reason this is worth bothering to fix, considering how obsolete a.out binary support is, is that the GCC build process considers this such a severe error that it will copy the header into a private directory and change the macro names, which causes future updates to the header to be masked. This header probably doesn't get updated very often anymore, but it is the _only_ uapi header that gets this treatment, so IMHO it is worth patching just to drive that number all the way to zero. Signed-off-by: Zack Weinberg <zackw@panix.com> [hch: removed dead conditionals] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 30 June 2017, 20:53:07 UTC |
dbd1877 | Jakub Kicinski | 29 June 2017, 04:25:48 UTC | hashtable: remove repeated phrase from a comment "in a rcu enabled hashtable" is repeated twice in a comment. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 30 June 2017, 20:49:53 UTC |
79298ac | Vikas Shivappa | 26 June 2017, 18:55:49 UTC | x86/intel_rdt: Fix memory leak on mount failure If mount fails, the kn_info directory is not freed causing memory leak. Add the missing error handling path. Fixes: 4e978d06dedb ("x86/intel_rdt: Add "info" files to resctrl file system") Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: ravi.v.shankar@intel.com Cc: tony.luck@intel.com Cc: fenghua.yu@intel.com Cc: peterz@infradead.org Cc: vikas.shivappa@intel.com Cc: andi.kleen@intel.com Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/1498503368-20173-3-git-send-email-vikas.shivappa@linux.intel.com | 30 June 2017, 19:20:00 UTC |
b4df2e3 | Linus Torvalds | 30 June 2017, 17:55:34 UTC | Merge tag 'powerpc-4.12-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Hopefully the last two powerpc fixes for 4.12. The CXL one is larger than I'd usually send at rc7, but it fixes new code this cycle, so better to have it working for the release. It was actually sent a few weeks back but got blocked in testing behind another fix that was causing issues. We are still tracking one crash in v4.12-rc7, but only one person has reproduced it and the commit identified by bisect doesn't touch any of the relevant code, so I think it's 50/50 whether that commit is actually the problem or it's some code layout / toolchain issue. Two fixes for code we merged this cycle: - cxl: Fixes for Coherent Accelerator Interface Architecture 2.0 - Avoid miscompilation w/GCC 4.6.3 on 32-bit - don't inline copy_to/from_user() Thanks to Al Viro, Larry Finger, Christophe Lombard" * tag 'powerpc-4.12-8' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/32: Avoid miscompilation w/GCC 4.6.3 - don't inline copy_to/from_user() cxl: Fixes for Coherent Accelerator Interface Architecture 2.0 | 30 June 2017, 17:55:34 UTC |
27ab862 | Linus Torvalds | 30 June 2017, 17:37:48 UTC | Merge tag 'iommu-fixes-v4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU fixes from Joerg Roedel: "Two fixes: - A fix for AMD IOMMU interrupt remapping code when IRQs are forwarded directly to KVM guests - Fixed check in the recently merged code to allow tboot with Intel VT-d disabled" * tag 'iommu-fixes-v4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: iommu/amd: Fix interrupt remapping when disable guest_mode iommu/vt-d: Correctly disable Intel IOMMU force on | 30 June 2017, 17:37:48 UTC |
4adc6b9 | Linus Torvalds | 30 June 2017, 17:30:26 UTC | Merge tag 'sound-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Two last-minute HD-audio fixes" * tag 'sound-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Fix endless loop of codec configure ALSA: hda - set input_path bitmap to zero after moving it to new place | 30 June 2017, 17:30:26 UTC |
86c3e00 | Linus Torvalds | 30 June 2017, 17:22:59 UTC | Merge branch 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs Pull overlayfs fixes from Miklos Szeredi: "Fix two bugs in copy-up code. One introduced in 4.11 and one in 4.12-rc" * 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: don't set origin on broken lower hardlink ovl: copy-up: don't unlock between lookup and link | 30 June 2017, 17:22:59 UTC |
8eabf42 | Baoquan He | 27 June 2017, 12:39:06 UTC | x86/boot/KASLR: Fix kexec crash due to 'virt_addr' calculation bug Kernel text KASLR is separated into physical address and virtual address randomization. And for virtual address randomization, we only randomiza to get an offset between 16M and KERNEL_IMAGE_SIZE. So the initial value of 'virt_addr' should be LOAD_PHYSICAL_ADDR, but not the original kernel loading address 'output'. The bug will cause kernel boot failure if kernel is loaded at a different position than the address, 16M, which is decided at compiled time. Kexec/kdump is such practical case. To fix it, just assign LOAD_PHYSICAL_ADDR to virt_addr as initial value. Tested-by: Dave Young <dyoung@redhat.com> Signed-off-by: Baoquan He <bhe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Fixes: 8391c73 ("x86/KASLR: Randomize virtual address separately") Link: http://lkml.kernel.org/r/1498567146-11990-3-git-send-email-bhe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 30 June 2017, 06:53:14 UTC |
b892cb8 | Baoquan He | 27 June 2017, 12:39:05 UTC | x86/boot/KASLR: Add checking for the offset of kernel virtual address randomization For kernel text KASLR, the virtual address is confined to area of 1G, [0xffffffff80000000, 0xffffffffc0000000). For the implemenataion of virtual address randomization, we only randomize to get an offset between 16M and 1G, then add this offset to the starting address, 0xffffffff80000000. Here 16M is the offset which is decided at linking stage. So the amount of the local variable 'virt_addr' which respresents the offset plus the kernel output size can not exceed KERNEL_IMAGE_SIZE. Add a debug check for the offset. If out of bounds, print error message and hang there. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Baoquan He <bhe@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1498567146-11990-2-git-send-email-bhe@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 30 June 2017, 06:53:14 UTC |
9e52b32 | Sabrina Dubroca | 22 June 2017, 09:24:42 UTC | tracing/kprobes: Allow to create probe with a module name starting with a digit Always try to parse an address, since kstrtoul() will safely fail when given a symbol as input. If that fails (which will be the case for a symbol), try to parse a symbol instead. This allows creating a probe such as: p:probe/vlan_gro_receive 8021q:vlan_gro_receive+0 Which is necessary for this command to work: perf probe -m 8021q -a vlan_gro_receive Link: http://lkml.kernel.org/r/fd72d666f45b114e2c5b9cf7e27b91de1ec966f1.1498122881.git.sd@queasysnail.net Cc: stable@vger.kernel.org Fixes: 413d37d1e ("tracing: Add kprobe-based event tracer") Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> | 30 June 2017, 03:13:23 UTC |
8542363 | James Hogan | 29 June 2017, 14:05:04 UTC | MIPS: Avoid accidental raw backtrace Since commit 81a76d7119f6 ("MIPS: Avoid using unwind_stack() with usermode") show_backtrace() invokes the raw backtracer when cp0_status & ST0_KSU indicates user mode to fix issues on EVA kernels where user and kernel address spaces overlap. However this is used by show_stack() which creates its own pt_regs on the stack and leaves cp0_status uninitialised in most of the code paths. This results in the non deterministic use of the raw back tracer depending on the previous stack content. show_stack() deals exclusively with kernel mode stacks anyway, so explicitly initialise regs.cp0_status to KSU_KERNEL (i.e. 0) to ensure we get a useful backtrace. Fixes: 81a76d7119f6 ("MIPS: Avoid using unwind_stack() with usermode") Signed-off-by: James Hogan <james.hogan@imgtec.com> Cc: linux-mips@linux-mips.org Cc: <stable@vger.kernel.org> # 3.15+ Patchwork: https://patchwork.linux-mips.org/patch/16656/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 30 June 2017, 02:42:15 UTC |
cad482c | Paul Burton | 13 June 2017, 17:01:08 UTC | MIPS: Perform post-DMA cache flushes on systems with MAARs Recent CPUs from Imagination Technologies such as the I6400 or P6600 are able to speculatively fetch data from memory into caches. This means that if used in a system with non-coherent DMA they require that caches be invalidated after a device performs DMA, and before the CPU reads the DMA'd data, in order to ensure that stale values weren't speculatively prefetched. Such CPUs also introduced Memory Accessibility Attribute Registers (MAARs) in order to control the regions in which they are allowed to speculate. Thus we can use the presence of MAARs as a good indication that the CPU requires the above cache maintenance. Use the presence of MAARs to determine the result of cpu_needs_post_dma_flush() in the default case, in order to handle these recent CPUs correctly. Note that the return type of cpu_needs_post_dma_flush() is changed to bool, such that it's clearer what's happening when cpu_has_maar is cast to bool for the return value. If this patch were backported to a pre-v4.7 kernel then MIPS_CPU_MAAR was 1ull<<34, so when cast to an int we would incorrectly return 0. It so happens that MIPS_CPU_MAAR is currently 1ull<<30, so when truncated to an int gives a non-zero value anyway, but even so the implicit conversion from long long int to bool makes it clearer to understand what will happen than the implicit conversion from long long int to int would. The bool return type also fits this usage better semantically, so seems like an all-round win. Thanks to Ed for spotting the issue for pre-v4.7 kernels & suggesting the return type change. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Reviewed-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Tested-by: Bryan O'Donoghue <pure.logic@nexus-software.ie> Cc: Ed Blake <ed.blake@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16363/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 30 June 2017, 02:40:46 UTC |
d855086 | Paul Burton | 03 March 2017, 23:26:05 UTC | MIPS: Fix IRQ tracing & lockdep when rescheduling When the scheduler sets TIF_NEED_RESCHED & we call into the scheduler from arch/mips/kernel/entry.S we disable interrupts. This is true regardless of whether we reach work_resched from syscall_exit_work, resume_userspace or by looping after calling schedule(). Although we disable interrupts in these paths we don't call trace_hardirqs_off() before calling into C code which may acquire locks, and we therefore leave lockdep with an inconsistent view of whether interrupts are disabled or not when CONFIG_PROVE_LOCKING & CONFIG_DEBUG_LOCKDEP are both enabled. Without tracing this interrupt state lockdep will print warnings such as the following once a task returns from a syscall via syscall_exit_partial with TIF_NEED_RESCHED set: [ 49.927678] ------------[ cut here ]------------ [ 49.934445] WARNING: CPU: 0 PID: 1 at kernel/locking/lockdep.c:3687 check_flags.part.41+0x1dc/0x1e8 [ 49.946031] DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled) [ 49.946355] CPU: 0 PID: 1 Comm: init Not tainted 4.10.0-00439-gc9fd5d362289-dirty #197 [ 49.963505] Stack : 0000000000000000 ffffffff81bb5d6a 0000000000000006 ffffffff801ce9c4 [ 49.974431] 0000000000000000 0000000000000000 0000000000000000 000000000000004a [ 49.985300] ffffffff80b7e487 ffffffff80a24498 a8000000ff160000 ffffffff80ede8b8 [ 49.996194] 0000000000000001 0000000000000000 0000000000000000 0000000077c8030c [ 50.007063] 000000007fd8a510 ffffffff801cd45c 0000000000000000 a8000000ff127c88 [ 50.017945] 0000000000000000 ffffffff801cf928 0000000000000001 ffffffff80a24498 [ 50.028827] 0000000000000000 0000000000000001 0000000000000000 0000000000000000 [ 50.039688] 0000000000000000 a8000000ff127bd0 0000000000000000 ffffffff805509bc [ 50.050575] 00000000140084e0 0000000000000000 0000000000000000 0000000000040a00 [ 50.061448] 0000000000000000 ffffffff8010e1b0 0000000000000000 ffffffff805509bc [ 50.072327] ... [ 50.076087] Call Trace: [ 50.079869] [<ffffffff8010e1b0>] show_stack+0x80/0xa8 [ 50.086577] [<ffffffff805509bc>] dump_stack+0x10c/0x190 [ 50.093498] [<ffffffff8015dde0>] __warn+0xf0/0x108 [ 50.099889] [<ffffffff8015de34>] warn_slowpath_fmt+0x3c/0x48 [ 50.107241] [<ffffffff801c15b4>] check_flags.part.41+0x1dc/0x1e8 [ 50.114961] [<ffffffff801c239c>] lock_is_held_type+0x8c/0xb0 [ 50.122291] [<ffffffff809461b8>] __schedule+0x8c0/0x10f8 [ 50.129221] [<ffffffff80946a60>] schedule+0x30/0x98 [ 50.135659] [<ffffffff80106278>] work_resched+0x8/0x34 [ 50.142397] ---[ end trace 0cb4f6ef5b99fe21 ]--- [ 50.148405] possible reason: unannotated irqs-off. [ 50.154600] irq event stamp: 400463 [ 50.159566] hardirqs last enabled at (400463): [<ffffffff8094edc8>] _raw_spin_unlock_irqrestore+0x40/0xa8 [ 50.171981] hardirqs last disabled at (400462): [<ffffffff8094eb98>] _raw_spin_lock_irqsave+0x30/0xb0 [ 50.183897] softirqs last enabled at (400450): [<ffffffff8016580c>] __do_softirq+0x4ac/0x6a8 [ 50.195015] softirqs last disabled at (400425): [<ffffffff80165e78>] irq_exit+0x110/0x128 Fix this by using the TRACE_IRQS_OFF macro to call trace_hardirqs_off() when CONFIG_TRACE_IRQFLAGS is enabled. This is done before invoking schedule() following the work_resched label because: 1) Interrupts are disabled regardless of the path we take to reach work_resched() & schedule(). 2) Performing the tracing here avoids the need to do it in paths which disable interrupts but don't call out to C code before hitting a path which uses the RESTORE_SOME macro that will call trace_hardirqs_on() or trace_hardirqs_off() as appropriate. We call trace_hardirqs_on() using the TRACE_IRQS_ON macro before calling syscall_trace_leave() for similar reasons, ensuring that lockdep has a consistent view of state after we re-enable interrupts. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Cc: linux-mips@linux-mips.org Cc: stable <stable@vger.kernel.org> Patchwork: https://patchwork.linux-mips.org/patch/15385/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 30 June 2017, 02:40:18 UTC |
161c51c | Paul Burton | 02 March 2017, 22:02:40 UTC | MIPS: pm-cps: Drop manual cache-line alignment of ready_count We allocate memory for a ready_count variable per-CPU, which is accessed via a cached non-coherent TLB mapping to perform synchronisation between threads within the core using LL/SC instructions. In order to ensure that the variable is contained within its own data cache line we allocate 2 lines worth of memory & align the resulting pointer to a line boundary. This is however unnecessary, since kmalloc is guaranteed to return memory which is at least cache-line aligned (see ARCH_DMA_MINALIGN). Stop the redundant manual alignment. Besides cleaning up the code & avoiding needless work, this has the side effect of avoiding an arithmetic error found by Bryan on 64 bit systems due to the 32 bit size of the former dlinesz. This led the ready_count variable to have its upper 32b cleared erroneously for MIPS64 kernels, causing problems when ready_count was later used on MIPS64 via cpuidle. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Fixes: 3179d37ee1ed ("MIPS: pm-cps: add PM state entry code for CPS systems") Reported-by: Bryan O'Donoghue <bryan.odonoghue@imgtec.com> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@imgtec.com> Tested-by: Bryan O'Donoghue <bryan.odonoghue@imgtec.com> Cc: linux-mips@linux-mips.org Cc: stable <stable@vger.kernel.org> # v3.16+ Patchwork: https://patchwork.linux-mips.org/patch/15383/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 30 June 2017, 02:38:55 UTC |
9e25ebf | Doug Berger | 29 June 2017, 17:41:36 UTC | ARM: 8685/1: ensure memblock-limit is pmd-aligned The pmd containing memblock_limit is cleared by prepare_page_table() which creates the opportunity for early_alloc() to allocate unmapped memory if memblock_limit is not pmd aligned causing a boot-time hang. Commit 965278dcb8ab ("ARM: 8356/1: mm: handle non-pmd-aligned end of RAM") attempted to resolve this problem, but there is a path through the adjust_lowmem_bounds() routine where if all memory regions start and end on pmd-aligned addresses the memblock_limit will be set to arm_lowmem_limit. Since arm_lowmem_limit can be affected by the vmalloc early parameter, the value of arm_lowmem_limit may not be pmd-aligned. This commit corrects this oversight such that memblock_limit is always rounded down to pmd-alignment. Fixes: 965278dcb8ab ("ARM: 8356/1: mm: handle non-pmd-aligned end of RAM") Signed-off-by: Doug Berger <opendmb@gmail.com> Suggested-by: Mark Rutland <mark.rutland@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> | 29 June 2017, 22:10:12 UTC |
4d8a991 | Linus Torvalds | 29 June 2017, 21:30:07 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: 1) Need to access netdev->num_rx_queues behind an accessor in netvsc driver otherwise the build breaks with some configs, from Arnd Bergmann. 2) Add dummy xfrm_dev_event() so that build doesn't fail when CONFIG_XFRM_OFFLOAD is not set. From Hangbin Liu. 3) Don't OOPS when pfkey_msg2xfrm_state() signals an erros, from Dan Carpenter. 4) Fix MCDI command size for filter operations in sfc driver, from Martin Habets. 5) Fix UFO segmenting so that we don't calculate incorrect checksums, from Michal Kubecek. 6) When ipv6 datagram connects fail, reset destination address and port. From Wei Wang. 7) TCP disconnect must reset the cached receive DST, from WANG Cong. 8) Fix sign extension bug on 32-bit in dev_get_stats(), from Eric Dumazet. 9) fman driver has to depend on HAS_DMA, from Madalin Bucur. 10) Fix bpf pointer leak with xadd in verifier, from Daniel Borkmann. 11) Fix negative page counts with GFO, from Michal Kubecek. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (41 commits) sfc: fix attempt to translate invalid filter ID net: handle NAPI_GRO_FREE_STOLEN_HEAD case also in napi_frags_finish() bpf: prevent leaking pointer via xadd on unpriviledged arcnet: com20020-pci: add missing pdev setup in netdev structure arcnet: com20020-pci: fix dev_id calculation arcnet: com20020: remove needless base_addr assignment Trivial fix to spelling mistake in arc_printk message arcnet: change irq handler to lock irqsave rocker: move dereference before free mlxsw: spectrum_router: Fix NULL pointer dereference net: sched: Fix one possible panic when no destroy callback virtio-net: serialize tx routine during reset net: usb: asix88179_178a: Add support for the Belkin B2B128 fsl/fman: add dependency on HAS_DMA net: prevent sign extension in dev_get_stats() tcp: reset sk_rx_dst in tcp_disconnect() net: ipv6: reset daddr and dport in sk if connect() fails bnx2x: Don't log mc removal needlessly bnxt_en: Fix netpoll handling. bnxt_en: Add missing logic to handle TPA end error conditions. ... | 29 June 2017, 21:30:07 UTC |
27bc344 | Linus Torvalds | 29 June 2017, 21:23:02 UTC | Merge tag 'for-4.12/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - dm thinp fix for crash that will occur when metadata device failure races with discard passdown to the underlying data device. - dm raid fix to not access the superblock's >= 1.9.0 'sectors' member unconditionally. * tag 'for-4.12/dm-fixes-5' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm thin: do not queue freed thin mapping for next stage processing dm raid: fix oops on upgrading to extended superblock format | 29 June 2017, 21:23:02 UTC |
374bf88 | Linus Torvalds | 29 June 2017, 21:10:37 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: "Two fixes that should go into this release. One is an nvme regression fix from Keith, fixing a missing queue freeze if the controller is being reset. This causes the reset to hang. The other is a fix for a leak of the bio protection info, if smaller sized O_DIRECT is used. This fix should be more involved as we have other problematic paths in the kernel, but given as this isn't a regression in this series, we'll tackle those for 4.13" * 'for-linus' of git://git.kernel.dk/linux-block: block: provide bio_uninit() free freeing integrity/task associations nvme/pci: Fix stuck nvme reset | 29 June 2017, 21:10:37 UTC |
d58299a | Edward Cree | 29 June 2017, 15:50:06 UTC | sfc: fix attempt to translate invalid filter ID When filter insertion fails with no rollback, we were trying to convert EFX_EF10_FILTER_ID_INVALID to an id to store in 'ids' (which is either vlan->uc or vlan->mc). This would WARN_ON_ONCE and then record a bogus filter ID of 0x1fff, neither of which is a good thing. Fixes: 0ccb998bf46d ("sfc: fix filter_id misinterpretation in edge case") Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:59:38 UTC |
e44699d | Michal Kubeček | 29 June 2017, 09:13:36 UTC | net: handle NAPI_GRO_FREE_STOLEN_HEAD case also in napi_frags_finish() Recently I started seeing warnings about pages with refcount -1. The problem was traced to packets being reused after their head was merged into a GRO packet by skb_gro_receive(). While bisecting the issue pointed to commit c21b48cc1bbf ("net: adjust skb->truesize in ___pskb_trim()") and I have never seen it on a kernel with it reverted, I believe the real problem appeared earlier when the option to merge head frag in GRO was implemented. Handling NAPI_GRO_FREE_STOLEN_HEAD state was only added to GRO_MERGED_FREE branch of napi_skb_finish() so that if the driver uses napi_gro_frags() and head is merged (which in my case happens after the skb_condense() call added by the commit mentioned above), the skb is reused including the head that has been merged. As a result, we release the page reference twice and eventually end up with negative page refcount. To fix the problem, handle NAPI_GRO_FREE_STOLEN_HEAD in napi_frags_finish() the same way it's done in napi_skb_finish(). Fixes: d7e8883cfcf4 ("net: make GRO aware of skb->head_frag") Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:54:13 UTC |
6bdf6ab | Daniel Borkmann | 29 June 2017, 01:04:59 UTC | bpf: prevent leaking pointer via xadd on unpriviledged Leaking kernel addresses on unpriviledged is generally disallowed, for example, verifier rejects the following: 0: (b7) r0 = 0 1: (18) r2 = 0xffff897e82304400 3: (7b) *(u64 *)(r1 +48) = r2 R2 leaks addr into ctx Doing pointer arithmetic on them is also forbidden, so that they don't turn into unknown value and then get leaked out. However, there's xadd as a special case, where we don't check the src reg for being a pointer register, e.g. the following will pass: 0: (b7) r0 = 0 1: (7b) *(u64 *)(r1 +48) = r0 2: (18) r2 = 0xffff897e82304400 ; map 4: (db) lock *(u64 *)(r1 +48) += r2 5: (95) exit We could store the pointer into skb->cb, loose the type context, and then read it out from there again to leak it eventually out of a map value. Or more easily in a different variant, too: 0: (bf) r6 = r1 1: (7a) *(u64 *)(r10 -8) = 0 2: (bf) r2 = r10 3: (07) r2 += -8 4: (18) r1 = 0x0 6: (85) call bpf_map_lookup_elem#1 7: (15) if r0 == 0x0 goto pc+3 R0=map_value(ks=8,vs=8,id=0),min_value=0,max_value=0 R6=ctx R10=fp 8: (b7) r3 = 0 9: (7b) *(u64 *)(r0 +0) = r3 10: (db) lock *(u64 *)(r0 +0) += r6 11: (b7) r0 = 0 12: (95) exit from 7 to 11: R0=inv,min_value=0,max_value=0 R6=ctx R10=fp 11: (b7) r0 = 0 12: (95) exit Prevent this by checking xadd src reg for pointer types. Also add a couple of test cases related to this. Fixes: 1be7f75d1668 ("bpf: enable non-root eBPF programs") Fixes: 17a5267067f3 ("bpf: verifier (add verifier core)") Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Alexei Starovoitov <ast@kernel.org> Acked-by: Martin KaFai Lau <kafai@fb.com> Acked-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:44:34 UTC |
80c65fd | Kan Liang | 29 June 2017, 19:09:26 UTC | perf/x86/intel/uncore: Fix wrong box pointer check Should not init a NULL box. It will cause system crash. The issue looks like caused by a typo. This was not noticed because there is no NULL box. Also, for most boxes, they are enabled by default. The init code is not critical. Fixes: fff4b87e594a ("perf/x86/intel/uncore: Make package handling more robust") Signed-off-by: Kan Liang <kan.liang@intel.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20170629190926.2456-1-kan.liang@intel.com | 29 June 2017, 19:28:13 UTC |
00778f7 | David S. Miller | 29 June 2017, 19:18:38 UTC | Merge branch 'arcnet-fixes' Michael Grzeschik says: ==================== arcnet: Collection of latest fixes Here we sum up the recent fixes I collected on the way to use and stabilise the framework. Part of it is an possible deadlock that we prevent as well to fix the calculation of the dev_id that can be setup by an rotary encoder. Beside that we added an trivial spelling patch and fix some wrong and missing assignments that improves the code footprint. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:18:38 UTC |
2a0ea04 | Michael Grzeschik | 28 June 2017, 16:28:37 UTC | arcnet: com20020-pci: add missing pdev setup in netdev structure We add the pdev data to the pci devices netdev structure. This way the interface get consistent device names in the userspace (udev). Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:18:37 UTC |
cb10861 | Michael Grzeschik | 28 June 2017, 16:28:36 UTC | arcnet: com20020-pci: fix dev_id calculation The dev_id was miscalculated. Only the two bits 4-5 are relevant for the MA1 card. PCIARC1 and PCIFB2 use the four bits 4-7 for id selection. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:18:36 UTC |
0d494fc | Michael Grzeschik | 28 June 2017, 16:28:35 UTC | arcnet: com20020: remove needless base_addr assignment The assignment is superfluous. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:18:36 UTC |
06908d7 | Colin Ian King | 28 June 2017, 16:28:34 UTC | Trivial fix to spelling mistake in arc_printk message Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:18:36 UTC |
5b85840 | Michael Grzeschik | 28 June 2017, 16:28:33 UTC | arcnet: change irq handler to lock irqsave This patch prevents the arcnet driver from the following deadlock. [ 41.273910] ====================================================== [ 41.280397] [ INFO: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected ] [ 41.287433] 4.4.0-00034-gc0ae784 #536 Not tainted [ 41.292366] ------------------------------------------------------ [ 41.298863] arcecho/233 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: [ 41.305628] (&(&lp->lock)->rlock){+.+...}, at: [<bf083bc8>] arcnet_send_packet+0x60/0x1c0 [arcnet] [ 41.315199] [ 41.315199] and this task is already holding: [ 41.321324] (_xmit_ARCNET#2){+.-...}, at: [<c06b934c>] packet_direct_xmit+0xfc/0x1c8 [ 41.329593] which would create a new lock dependency: [ 41.334893] (_xmit_ARCNET#2){+.-...} -> (&(&lp->lock)->rlock){+.+...} [ 41.341801] [ 41.341801] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 41.350108] (_xmit_ARCNET#2){+.-...} ... which became SOFTIRQ-irq-safe at: [ 41.357539] [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.362677] [<c063ab8c>] dev_watchdog+0x5c/0x264 [ 41.367723] [<c0094edc>] call_timer_fn+0x6c/0xf4 [ 41.372759] [<c00950b8>] run_timer_softirq+0x154/0x210 [ 41.378340] [<c0036b30>] __do_softirq+0x144/0x298 [ 41.383469] [<c0036fb4>] irq_exit+0xcc/0x130 [ 41.388138] [<c0085c50>] __handle_domain_irq+0x60/0xb4 [ 41.393728] [<c0014578>] __irq_svc+0x58/0x78 [ 41.398402] [<c0010274>] arch_cpu_idle+0x24/0x3c [ 41.403443] [<c007127c>] cpu_startup_entry+0x1f8/0x25c [ 41.409029] [<c09adc90>] start_kernel+0x3c0/0x3cc [ 41.414170] [ 41.414170] to a SOFTIRQ-irq-unsafe lock: [ 41.419931] (&(&lp->lock)->rlock){+.+...} ... which became SOFTIRQ-irq-unsafe at: [ 41.427996] ... [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.433409] [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet] [ 41.439646] [<c0089120>] handle_nested_irq+0x8c/0xec [ 41.445063] [<c03c1170>] regmap_irq_thread+0x190/0x314 [ 41.450661] [<c0087244>] irq_thread_fn+0x1c/0x34 [ 41.455700] [<c0087548>] irq_thread+0x13c/0x1dc [ 41.460649] [<c0050f10>] kthread+0xe4/0xf8 [ 41.465158] [<c000f810>] ret_from_fork+0x14/0x24 [ 41.470207] [ 41.470207] other info that might help us debug this: [ 41.470207] [ 41.478627] Possible interrupt unsafe locking scenario: [ 41.478627] [ 41.485763] CPU0 CPU1 [ 41.490521] ---- ---- [ 41.495279] lock(&(&lp->lock)->rlock); [ 41.499414] local_irq_disable(); [ 41.505636] lock(_xmit_ARCNET#2); [ 41.511967] lock(&(&lp->lock)->rlock); [ 41.518741] <Interrupt> [ 41.521490] lock(_xmit_ARCNET#2); [ 41.525356] [ 41.525356] *** DEADLOCK *** [ 41.525356] [ 41.531587] 1 lock held by arcecho/233: [ 41.535617] #0: (_xmit_ARCNET#2){+.-...}, at: [<c06b934c>] packet_direct_xmit+0xfc/0x1c8 [ 41.544355] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 41.552362] -> (_xmit_ARCNET#2){+.-...} ops: 27 { [ 41.557357] HARDIRQ-ON-W at: [ 41.560664] [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.567445] [<c063ba28>] dev_deactivate_many+0x114/0x304 [ 41.574866] [<c063bc3c>] dev_deactivate+0x24/0x38 [ 41.581646] [<c0630374>] linkwatch_do_dev+0x40/0x74 [ 41.588613] [<c06305d8>] __linkwatch_run_queue+0xec/0x140 [ 41.596120] [<c0630658>] linkwatch_event+0x2c/0x34 [ 41.602991] [<c004af30>] process_one_work+0x188/0x40c [ 41.610131] [<c004b200>] worker_thread+0x4c/0x480 [ 41.616912] [<c0050f10>] kthread+0xe4/0xf8 [ 41.623048] [<c000f810>] ret_from_fork+0x14/0x24 [ 41.629735] IN-SOFTIRQ-W at: [ 41.633039] [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.639820] [<c063ab8c>] dev_watchdog+0x5c/0x264 [ 41.646508] [<c0094edc>] call_timer_fn+0x6c/0xf4 [ 41.653190] [<c00950b8>] run_timer_softirq+0x154/0x210 [ 41.660425] [<c0036b30>] __do_softirq+0x144/0x298 [ 41.667201] [<c0036fb4>] irq_exit+0xcc/0x130 [ 41.673518] [<c0085c50>] __handle_domain_irq+0x60/0xb4 [ 41.680754] [<c0014578>] __irq_svc+0x58/0x78 [ 41.687077] [<c0010274>] arch_cpu_idle+0x24/0x3c [ 41.693769] [<c007127c>] cpu_startup_entry+0x1f8/0x25c [ 41.701006] [<c09adc90>] start_kernel+0x3c0/0x3cc [ 41.707791] INITIAL USE at: [ 41.711003] [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.717696] [<c063ba28>] dev_deactivate_many+0x114/0x304 [ 41.725026] [<c063bc3c>] dev_deactivate+0x24/0x38 [ 41.731718] [<c0630374>] linkwatch_do_dev+0x40/0x74 [ 41.738593] [<c06305d8>] __linkwatch_run_queue+0xec/0x140 [ 41.746011] [<c0630658>] linkwatch_event+0x2c/0x34 [ 41.752789] [<c004af30>] process_one_work+0x188/0x40c [ 41.759847] [<c004b200>] worker_thread+0x4c/0x480 [ 41.766541] [<c0050f10>] kthread+0xe4/0xf8 [ 41.772596] [<c000f810>] ret_from_fork+0x14/0x24 [ 41.779198] } [ 41.780945] ... key at: [<c124d620>] netdev_xmit_lock_key+0x38/0x1c8 [ 41.788192] ... acquired at: [ 41.791309] [<c007bed8>] lock_acquire+0x70/0x90 [ 41.796361] [<c06f9140>] _raw_spin_lock_irqsave+0x40/0x54 [ 41.802324] [<bf083bc8>] arcnet_send_packet+0x60/0x1c0 [arcnet] [ 41.808844] [<c06b9380>] packet_direct_xmit+0x130/0x1c8 [ 41.814622] [<c06bc7e4>] packet_sendmsg+0x3b8/0x680 [ 41.820034] [<c05fe8b0>] sock_sendmsg+0x14/0x24 [ 41.825091] [<c05ffd68>] SyS_sendto+0xb8/0xe0 [ 41.829956] [<c05ffda8>] SyS_send+0x18/0x20 [ 41.834638] [<c000f780>] ret_fast_syscall+0x0/0x1c [ 41.839954] [ 41.841514] the dependencies between the lock to be acquired and SOFTIRQ-irq-unsafe lock: [ 41.850302] -> (&(&lp->lock)->rlock){+.+...} ops: 5 { [ 41.855644] HARDIRQ-ON-W at: [ 41.858945] [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.865726] [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet] [ 41.873607] [<c0089120>] handle_nested_irq+0x8c/0xec [ 41.880666] [<c03c1170>] regmap_irq_thread+0x190/0x314 [ 41.887901] [<c0087244>] irq_thread_fn+0x1c/0x34 [ 41.894593] [<c0087548>] irq_thread+0x13c/0x1dc [ 41.901195] [<c0050f10>] kthread+0xe4/0xf8 [ 41.907338] [<c000f810>] ret_from_fork+0x14/0x24 [ 41.914025] SOFTIRQ-ON-W at: [ 41.917328] [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.924106] [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet] [ 41.931981] [<c0089120>] handle_nested_irq+0x8c/0xec [ 41.939028] [<c03c1170>] regmap_irq_thread+0x190/0x314 [ 41.946264] [<c0087244>] irq_thread_fn+0x1c/0x34 [ 41.952954] [<c0087548>] irq_thread+0x13c/0x1dc [ 41.959548] [<c0050f10>] kthread+0xe4/0xf8 [ 41.965689] [<c000f810>] ret_from_fork+0x14/0x24 [ 41.972379] INITIAL USE at: [ 41.975595] [<c06f8fc8>] _raw_spin_lock+0x30/0x40 [ 41.982283] [<bf083d54>] arcnet_interrupt+0x2c/0x800 [arcnet] [ 41.990063] [<c0089120>] handle_nested_irq+0x8c/0xec [ 41.997027] [<c03c1170>] regmap_irq_thread+0x190/0x314 [ 42.004172] [<c0087244>] irq_thread_fn+0x1c/0x34 [ 42.010766] [<c0087548>] irq_thread+0x13c/0x1dc [ 42.017267] [<c0050f10>] kthread+0xe4/0xf8 [ 42.023314] [<c000f810>] ret_from_fork+0x14/0x24 [ 42.029903] } [ 42.031648] ... key at: [<bf0854cc>] __key.42091+0x0/0xfffff0f8 [arcnet] [ 42.039255] ... acquired at: [ 42.042372] [<c007bed8>] lock_acquire+0x70/0x90 [ 42.047413] [<c06f9140>] _raw_spin_lock_irqsave+0x40/0x54 [ 42.053364] [<bf083bc8>] arcnet_send_packet+0x60/0x1c0 [arcnet] [ 42.059872] [<c06b9380>] packet_direct_xmit+0x130/0x1c8 [ 42.065634] [<c06bc7e4>] packet_sendmsg+0x3b8/0x680 [ 42.071030] [<c05fe8b0>] sock_sendmsg+0x14/0x24 [ 42.076069] [<c05ffd68>] SyS_sendto+0xb8/0xe0 [ 42.080926] [<c05ffda8>] SyS_send+0x18/0x20 [ 42.085601] [<c000f780>] ret_fast_syscall+0x0/0x1c [ 42.090918] [ 42.092481] [ 42.092481] stack backtrace: [ 42.097065] CPU: 0 PID: 233 Comm: arcecho Not tainted 4.4.0-00034-gc0ae784 #536 [ 42.104751] Hardware name: Generic AM33XX (Flattened Device Tree) [ 42.111183] [<c0017ec8>] (unwind_backtrace) from [<c00139d0>] (show_stack+0x10/0x14) [ 42.119337] [<c00139d0>] (show_stack) from [<c02a82c4>] (dump_stack+0x8c/0x9c) [ 42.126937] [<c02a82c4>] (dump_stack) from [<c0078260>] (check_usage+0x4bc/0x63c) [ 42.134815] [<c0078260>] (check_usage) from [<c0078438>] (check_irq_usage+0x58/0xb0) [ 42.142964] [<c0078438>] (check_irq_usage) from [<c007aaa0>] (__lock_acquire+0x1524/0x20b0) [ 42.151740] [<c007aaa0>] (__lock_acquire) from [<c007bed8>] (lock_acquire+0x70/0x90) [ 42.159886] [<c007bed8>] (lock_acquire) from [<c06f9140>] (_raw_spin_lock_irqsave+0x40/0x54) [ 42.168768] [<c06f9140>] (_raw_spin_lock_irqsave) from [<bf083bc8>] (arcnet_send_packet+0x60/0x1c0 [arcnet]) [ 42.179115] [<bf083bc8>] (arcnet_send_packet [arcnet]) from [<c06b9380>] (packet_direct_xmit+0x130/0x1c8) [ 42.189182] [<c06b9380>] (packet_direct_xmit) from [<c06bc7e4>] (packet_sendmsg+0x3b8/0x680) [ 42.198059] [<c06bc7e4>] (packet_sendmsg) from [<c05fe8b0>] (sock_sendmsg+0x14/0x24) [ 42.206199] [<c05fe8b0>] (sock_sendmsg) from [<c05ffd68>] (SyS_sendto+0xb8/0xe0) [ 42.213978] [<c05ffd68>] (SyS_sendto) from [<c05ffda8>] (SyS_send+0x18/0x20) [ 42.221388] [<c05ffda8>] (SyS_send) from [<c000f780>] (ret_fast_syscall+0x0/0x1c) Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> --- v1 -> v2: removed unneeded zero assignment of flags Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 19:18:35 UTC |
acb4b7d | Dan Carpenter | 28 June 2017, 11:44:21 UTC | rocker: move dereference before free My static checker complains that ofdpa_neigh_del() can sometimes free "found". It just makes sense to use it first before deleting it. Fixes: ecf244f753e0 ("rocker: fix maybe-uninitialized warning") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 18:19:24 UTC |
6b27c8a | Ido Schimmel | 28 June 2017, 06:03:12 UTC | mlxsw: spectrum_router: Fix NULL pointer dereference In case a VLAN device is enslaved to a bridge we shouldn't create a router interface (RIF) for it when it's configured with an IP address. This is already handled by the driver for other types of netdevs, such as physical ports and LAG devices. If this IP address is then removed and the interface is subsequently unlinked from the bridge, a NULL pointer dereference can happen, as the original 802.1d FID was replaced with an rFID which was then deleted. To reproduce: $ ip link set dev enp3s0np9 up $ ip link add name enp3s0np9.111 link enp3s0np9 type vlan id 111 $ ip link set dev enp3s0np9.111 up $ ip link add name br0 type bridge $ ip link set dev br0 up $ ip link set enp3s0np9.111 master br0 $ ip address add dev enp3s0np9.111 192.168.0.1/24 $ ip address del dev enp3s0np9.111 192.168.0.1/24 $ ip link set dev enp3s0np9.111 nomaster Fixes: 99724c18fc66 ("mlxsw: spectrum: Introduce support for router interfaces") Signed-off-by: Ido Schimmel <idosch@mellanox.com> Reported-by: Petr Machata <petrm@mellanox.com> Tested-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Petr Machata <petrm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 16:59:48 UTC |
c1a4872 | Gao Feng | 28 June 2017, 04:53:54 UTC | net: sched: Fix one possible panic when no destroy callback When qdisc fail to init, qdisc_create would invoke the destroy callback to cleanup. But there is no check if the callback exists really. So it would cause the panic if there is no real destroy callback like the qdisc codel, fq, and so on. Take codel as an example following: When a malicious user constructs one invalid netlink msg, it would cause codel_init->codel_change->nla_parse_nested failed. Then kernel would invoke the destroy callback directly but qdisc codel doesn't define one. It causes one panic as a result. Now add one the check for destroy to avoid the possible panic. Fixes: 87b60cfacf9f ("net_sched: fix error recovery at qdisc creation") Signed-off-by: Gao Feng <gfree.wind@vip.163.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 16:55:12 UTC |
713a98d | Jason Wang | 28 June 2017, 01:51:03 UTC | virtio-net: serialize tx routine during reset We don't hold any tx lock when trying to disable TX during reset, this would lead a use after free since ndo_start_xmit() tries to access the virtqueue which has already been freed. Fix this by using netif_tx_disable() before freeing the vqs, this could make sure no tx after vq freeing. Reported-by: Jean-Philippe Menil <jpmenil@gmail.com> Tested-by: Jean-Philippe Menil <jpmenil@gmail.com> Fixes commit f600b6905015 ("virtio_net: Add XDP support") Cc: John Fastabend <john.fastabend@gmail.com> Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Robert McCabe <robert.mccabe@rockwellcollins.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 29 June 2017, 16:51:59 UTC |
0f17976 | Steven Rostedt (VMware) | 29 June 2017, 14:05:45 UTC | ftrace: Fix regression with module command in stack_trace_filter When doing the following command: # echo ":mod:kvm_intel" > /sys/kernel/tracing/stack_trace_filter it triggered a crash. This happened with the clean up of probes. It required all callers to the regex function (doing ftrace filtering) to have ops->private be a pointer to a trace_array. But for the stack tracer, that is not the case. Allow for the ops->private to be NULL, and change the function command callbacks to handle the trace_array pointer being NULL as well. Fixes: d2afd57a4b96 ("tracing/ftrace: Allow instances to have their own function probes") Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> | 29 June 2017, 14:05:45 UTC |
1d80df9 | Brian Norris | 23 June 2017, 20:59:11 UTC | Revert "pinctrl: rockchip: avoid hardirq-unsafe functions in irq_chip" This reverts commit 88bb94216f59e10802aaf78c858a4146085faf18. It introduced a new CONFIG_DEBUG_ATOMIC_SLEEP warning in v4.12-rc1: [ 7226.716713] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:238 [ 7226.716716] in_atomic(): 0, irqs_disabled(): 0, pid: 1708, name: bash [ 7226.716722] CPU: 1 PID: 1708 Comm: bash Not tainted 4.12.0-rc6+ #1213 [ 7226.716724] Hardware name: Google Kevin (DT) [ 7226.716726] Call trace: [ 7226.716738] [<ffffff8008089928>] dump_backtrace+0x0/0x24c [ 7226.716743] [<ffffff8008089b94>] show_stack+0x20/0x28 [ 7226.716749] [<ffffff8008371370>] dump_stack+0x90/0xb0 [ 7226.716755] [<ffffff80080cd2a0>] ___might_sleep+0x10c/0x124 [ 7226.716760] [<ffffff80080cd330>] __might_sleep+0x78/0x88 [ 7226.716765] [<ffffff800879e210>] mutex_lock+0x2c/0x64 [ 7226.716771] [<ffffff80083ad678>] rockchip_irq_bus_lock+0x30/0x3c [ 7226.716777] [<ffffff80080f6d40>] __irq_get_desc_lock+0x78/0x98 [ 7226.716782] [<ffffff80080f7e6c>] irq_set_irq_wake+0x44/0x12c [ 7226.716787] [<ffffff8008486e18>] dev_pm_arm_wake_irq+0x4c/0x58 [ 7226.716792] [<ffffff800848b80c>] device_wakeup_arm_wake_irqs+0x3c/0x58 [ 7226.716796] [<ffffff80084896fc>] dpm_suspend_noirq+0xf8/0x3a0 [ 7226.716800] [<ffffff80080f1384>] suspend_devices_and_enter+0x1a4/0x9a8 [ 7226.716803] [<ffffff80080f21ec>] pm_suspend+0x664/0x6a4 [ 7226.716807] [<ffffff80080f04d8>] state_store+0xd4/0xf8 ... It was reported on -rc1, and it's still not fixed in -rc6, so it should just be reverted. Cc: John Keeping <john@metanate.com> Signed-off-by: Brian Norris <briannorris@chromium.org> Reviewed-by: Heiko Stuebner <heiko@sntech.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 29 June 2017, 13:03:24 UTC |
c06632e | Hans de Goede | 23 June 2017, 07:26:13 UTC | gpio: acpi: Skip _AEI entries without a handler rather then aborting the scan acpi_walk_resources will stop as soon as the callback passed in returns an error status. On a x86 tablet I have the first GpioInt in the _AEI resource list has no handler defined in the DSDT, causing acpi_walk_resources to abort scanning the rest of the resource list, which does define valid ACPI GPIO events. This commit changes the return for not finding a handler from AE_BAD_PARAMETER to AE_OK so that the rest of the resource list will get scanned normally in case of missing event handlers. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 29 June 2017, 12:55:08 UTC |
ad537b8 | Bartosz Golaszewski | 23 June 2017, 11:45:16 UTC | gpiolib: fix filtering out unwanted events GPIOEVENT_REQUEST_BOTH_EDGES is not a single flag, but a binary OR of GPIOEVENT_REQUEST_RISING_EDGE and GPIOEVENT_REQUEST_FALLING_EDGE. The expression 'le->eflags & GPIOEVENT_REQUEST_BOTH_EDGES' we'll get evaluated to true even if only one event type was requested. Fix it by checking both RISING & FALLING flags explicitly. Cc: stable@vger.kernel.org Fixes: 61f922db7221 ("gpio: userspace ABI for reading GPIO line events") Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> | 29 June 2017, 09:33:46 UTC |
6474924 | Tobias Klauser | 28 June 2017, 13:30:02 UTC | arch: remove unused macro/function thread_saved_pc() The only user of thread_saved_pc() in non-arch-specific code was removed in commit 8243d5597793 ("sched/core: Remove pointless printout in sched_show_task()"). Remove the implementations as well. Some architectures use thread_saved_pc() in their arch-specific code. Leave their thread_saved_pc() intact. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 28 June 2017, 23:13:57 UTC |
9ae3b3f | Jens Axboe | 28 June 2017, 21:30:13 UTC | block: provide bio_uninit() free freeing integrity/task associations Wen reports significant memory leaks with DIF and O_DIRECT: "With nvme devive + T10 enabled, On a system it has 256GB and started logging /proc/meminfo & /proc/slabinfo for every minute and in an hour it increased by 15968128 kB or ~15+GB.. Approximately 256 MB / minute leaking. /proc/meminfo | grep SUnreclaim... SUnreclaim: 6752128 kB SUnreclaim: 6874880 kB SUnreclaim: 7238080 kB .... SUnreclaim: 22307264 kB SUnreclaim: 22485888 kB SUnreclaim: 22720256 kB When testcases with T10 enabled call into __blkdev_direct_IO_simple, code doesn't free memory allocated by bio_integrity_alloc. The patch fixes the issue. HTX has been run with +60 hours without failure." Since __blkdev_direct_IO_simple() allocates the bio on the stack, it doesn't go through the regular bio free. This means that any ancillary data allocated with the bio through the stack is not freed. Hence, we can leak the integrity data associated with the bio, if the device is using DIF/DIX. Fix this by providing a bio_uninit() and export it, so that we can use it to free this data. Note that this is a minimal fix for this issue. Any current user of bio's that are allocated outside of bio_alloc_bioset() suffers from this issue, most notably some drivers. We will fix those in a more comprehensive patch for 4.13. This also means that the commit marked as being fixed by this isn't the real culprit, it's just the most obvious one out there. Fixes: 542ff7bf18c6 ("block: new direct I/O implementation") Reported-by: Wen Xiong <wenxiong@linux.vnet.ibm.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> | 28 June 2017, 21:30:13 UTC |
e547204 | Linus Torvalds | 28 June 2017, 20:27:15 UTC | Merge tag 'nfs-for-4.12-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs Pull NFS client bugfixes from Trond Myklebust: "Bugfixes include: - stable fix for exclusive create if the server supports the umask attribute - trunking detection should handle ERESTARTSYS/EINTR - stable fix for a race in the LAYOUTGET function - stable fix to revert "nfs_rename() handle -ERESTARTSYS dentry left behind" - nfs4_callback_free_slot() cannot call nfs4_slot_tbl_drain_complete()" * tag 'nfs-for-4.12-3' of git://git.linux-nfs.org/projects/trondmy/linux-nfs: NFSv4.1: nfs4_callback_free_slot() cannot call nfs4_slot_tbl_drain_complete() Revert "NFS: nfs_rename() handle -ERESTARTSYS dentry left behind" NFSv4.1: Fix a race in nfs4_proc_layoutget NFS: Trunking detection should handle ERESTARTSYS/EINTR NFSv4.2: Don't send mode again in post-EXCLUSIVE4_1 SETATTR with umask | 28 June 2017, 20:27:15 UTC |
5a37be4 | Linus Torvalds | 28 June 2017, 20:22:26 UTC | Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "This is the final set of fixes for -rc8, just a few i915 and one vmwgfx ones. I'm off on holidays for a week, so if anything shows up for fixes I've asked Daniel or Sean Paul to herd it in the right direction" [ The additional etnaviv fixes were already herded towards me as seen in my previous pull - Linus ] * 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr drm/i915: Disable EXEC_OBJECT_ASYNC when doing relocations drm/i915: Hold struct_mutex for per-file stats in debugfs/i915_gem_object drm/i915: Retire the VMA's fence tracker before unbinding | 28 June 2017, 20:22:26 UTC |
cf72349 | Linus Torvalds | 28 June 2017, 20:13:48 UTC | Merge branch 'etnaviv/fixes' of git://git.pengutronix.de/git/lst/linux Pull drm/etnaviv fixes from Lucas Stach: "I realized I just missed the cut-off point for the final drm fixes pull, but I have 2 more etnaviv fixes that need to go into 4.12, as they fix fallout from the explicit sync work introduced in the last merge window" [ Pulling directly because Dave is on vacation. Noted by Daniel Vetter, and acked by Dave Airlie - Linus ] * 'etnaviv/fixes' of git://git.pengutronix.de/git/lst/linux: drm/etnaviv: Fix implicit/explicit sync sense inversion drm/etnaviv: fix submit flags getting overwritten by BO content | 28 June 2017, 20:13:48 UTC |
84a21db | Suravee Suthikulpanit | 26 June 2017, 09:28:04 UTC | iommu/amd: Fix interrupt remapping when disable guest_mode Pass-through devices to VM guest can get updated IRQ affinity information via irq_set_affinity() when not running in guest mode. Currently, AMD IOMMU driver in GA mode ignores the updated information if the pass-through device is setup to use vAPIC regardless of guest_mode. This could cause invalid interrupt remapping. Also, the guest_mode bit should be set and cleared only when SVM updates posted-interrupt interrupt remapping information. Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com> Cc: Joerg Roedel <jroedel@suse.de> Fixes: d98de49a53e48 ('iommu/amd: Enable vAPIC interrupt remapping mode by default') Signed-off-by: Joerg Roedel <jroedel@suse.de> | 28 June 2017, 12:44:56 UTC |
fbaf94e | Miklos Szeredi | 28 June 2017, 11:41:22 UTC | ovl: don't set origin on broken lower hardlink When copying up a file that has multiple hard links we need to break any association with the origin file. This makes copy-up be essentially an atomic replace. The new file has nothing to do with the old one (except having the same data and metadata initially), so don't set the overlay.origin attribute. We can relax this in the future when we are able to index upper object by origin. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Fixes: 3a1e819b4e80 ("ovl: store file handle of lower inode on copy up") | 28 June 2017, 11:41:22 UTC |
e85f82f | Miklos Szeredi | 28 June 2017, 11:41:22 UTC | ovl: copy-up: don't unlock between lookup and link Nothing prevents mischief on upper layer while we are busy copying up the data. Move the lookup right before the looked up dentry is actually used. Signed-off-by: Miklos Szeredi <mszeredi@redhat.com> Fixes: 01ad3eb8a073 ("ovl: concurrent copy up of regular files") Cc: <stable@vger.kernel.org> # v4.11 | 28 June 2017, 11:41:22 UTC |
d94815f | Takashi Iwai | 28 June 2017, 10:02:02 UTC | ALSA: hda - Fix endless loop of codec configure azx_codec_configure() loops over the codecs found on the given controller via a linked list. The code used to work in the past, but in the current version, this may lead to an endless loop when a codec binding returns an error. The culprit is that the snd_hda_codec_configure() unregisters the device upon error, and this eventually deletes the given codec object from the bus. Since the list is initialized via list_del_init(), the next object points to the same device itself. This behavior change was introduced at splitting the HD-audio code code, and forgotten to adapt it here. For fixing this bug, just use a *_safe() version of list iteration. Fixes: d068ebc25e6e ("ALSA: hda - Move some codes up to hdac_bus struct") Reported-by: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> | 28 June 2017, 10:10:05 UTC |
426ef1b | Daniel Stone | 22 June 2017, 11:22:22 UTC | drm/etnaviv: Fix implicit/explicit sync sense inversion We were reading the no-implicit sync flag the wrong way around, synchronizing too much for the explicit case, and not at all for the implicit case. Oops. Signed-off-by: Daniel Stone <daniels@collabora.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> | 28 June 2017, 08:35:53 UTC |
f4a4381 | Lucas Stach | 27 June 2017, 14:02:51 UTC | drm/etnaviv: fix submit flags getting overwritten by BO content The addition of the flags member to etnaviv_gem_submit structure didn't take into account that the last member of this structure is a variable length array. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> | 28 June 2017, 08:35:46 UTC |
9ff1beb | Dave Airlie | 28 June 2017, 07:07:15 UTC | Merge tag 'drm-intel-fixes-2017-06-27' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes Just a few minor fixes. Important one is the execbuf async fix (aka ANDROID_native_sync). There was another patch for a display coherency corner case on APL, but we've random-walked in that space too much, and the cherry-pick looked really invasive. * tag 'drm-intel-fixes-2017-06-27' of git://anongit.freedesktop.org/git/drm-intel: drm/i915: Disable EXEC_OBJECT_ASYNC when doing relocations drm/i915: Hold struct_mutex for per-file stats in debugfs/i915_gem_object drm/i915: Retire the VMA's fence tracker before unbinding | 28 June 2017, 07:07:15 UTC |
5193c08 | Dave Airlie | 28 June 2017, 07:06:58 UTC | Merge branch 'vmwgfx-fixes-4.12' of git://people.freedesktop.org/~thomash/linux into drm-fixes Single vmwgfx fix * 'vmwgfx-fixes-4.12' of git://people.freedesktop.org/~thomash/linux: drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr | 28 June 2017, 07:06:58 UTC |
a8f20fd | Hui Wang | 28 June 2017, 00:59:16 UTC | ALSA: hda - set input_path bitmap to zero after moving it to new place Recently we met a problem, the codec has valid adcs and input pins, and they can form valid input paths, but the driver does not build valid controls for them like "Mic boost", "Capture Volume" and "Capture Switch". Through debugging, I found the driver needs to shrink the invalid adcs and input paths for this machine, so it will move the whole column bitmap value to the previous column, after moving it, the driver forgets to set the original column bitmap value to zero, as a result, the driver will invalidate the path whose index value is the original colume bitmap value. After executing this function, all valid input paths are invalidated by a mistake, there are no any valid input paths, so the driver won't build controls for them. Fixes: 3a65bcdc577a ("ALSA: hda - Fix inconsistent input_paths after ADC reduction") Cc: <stable@vger.kernel.org> Signed-off-by: Hui Wang <hui.wang@canonical.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> | 28 June 2017, 05:09:19 UTC |
2e31b4c | Trond Myklebust | 27 June 2017, 21:40:50 UTC | NFSv4.1: nfs4_callback_free_slot() cannot call nfs4_slot_tbl_drain_complete() The current code works only for the case where we have exactly one slot, which is no longer true. nfs4_free_slot() will automatically declare the callback channel to be drained when all slots have been returned. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 28 June 2017, 02:26:23 UTC |
d9f2950 | Benjamin Coddington | 16 June 2017, 15:12:59 UTC | Revert "NFS: nfs_rename() handle -ERESTARTSYS dentry left behind" This reverts commit 920b4530fb80430ff30ef83efe21ba1fa5623731 which could call d_move() without holding the directory's i_mutex, and reverts commit d4ea7e3c5c0e341c15b073016dbf3ab6c65f12f3 "NFS: Fix old dentry rehash after move", which was a follow-up fix. Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Fixes: 920b4530fb80 ("NFS: nfs_rename() handle -ERESTARTSYS dentry left behind") Cc: stable@vger.kernel.org # v4.10+ Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 28 June 2017, 01:58:14 UTC |
bd17193 | Trond Myklebust | 27 June 2017, 21:33:38 UTC | NFSv4.1: Fix a race in nfs4_proc_layoutget If the task calling layoutget is signalled, then it is possible for the calls to nfs4_sequence_free_slot() and nfs4_layoutget_prepare() to race, in which case we leak a slot. The fix is to move the call to nfs4_sequence_free_slot() into the nfs4_layoutget_release() so that it gets called at task teardown time. Fixes: 2e80dbe7ac51 ("NFSv4.1: Close callback races for OPEN, LAYOUTGET...") Cc: stable@vger.kernel.org # v4.8+ Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 28 June 2017, 01:44:58 UTC |
898fc11 | Trond Myklebust | 21 June 2017, 14:16:56 UTC | NFS: Trunking detection should handle ERESTARTSYS/EINTR Currently, it will return EIO in those cases. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> | 28 June 2017, 01:44:58 UTC |
ddbfff7 | Aleksandar Markovic | 19 June 2017, 15:50:12 UTC | MIPS: math-emu: Handle zero accumulator case in MADDF and MSUBF separately If accumulator value is zero, just return the value of previously calculated product. This brings logic in MADDF/MSUBF implementation closer to the logic in ADD/SUB case. Signed-off-by: Miodrag Dinic <miodrag.dinic@imgtec.com> Signed-off-by: Goran Ferenc <goran.ferenc@imgtec.com> Signed-off-by: Aleksandar Markovic <aleksandar.markovic@imgtec.com> Cc: James.Hogan@imgtec.com Cc: Paul.Burton@imgtec.com Cc: Raghu.Gandham@imgtec.com Cc: Leonid.Yegoshin@imgtec.com Cc: Douglas.Leung@imgtec.com Cc: Petar.Jovanovic@imgtec.com Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16512/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 28 June 2017, 00:54:30 UTC |
ebef736 | Keith Busch | 27 June 2017, 23:44:05 UTC | nvme/pci: Fix stuck nvme reset The controller state is set to resetting prior to disabling the controller, so this patch accounts for that state when deciding if it needs to freeze the queues. Without this, an 'nvme reset /dev/nvme0' blocks forever because the queues were never frozen. Fixes: 82b057caefaf ("nvme-pci: fix multiple ctrl removal scheduling") Signed-off-by: Keith Busch <keith.busch@intel.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk> | 27 June 2017, 23:44:05 UTC |
25d8b92 | Karl Beldan | 27 June 2017, 19:22:16 UTC | MIPS: head: Reorder instructions missing a delay slot In this sequence the 'move' is assumed in the delay slot of the 'beq', but head.S is in reorder mode and the former gets pushed one 'nop' farther by the assembler. The corrected behavior made booting with an UHI supplied dtb erratic. Fixes: 15f37e158892 ("MIPS: store the appended dtb address in a variable") Signed-off-by: Karl Beldan <karl.beldan+oss@gmail.com> Reviewed-by: James Hogan <james.hogan@imgtec.com> Cc: Jonas Gorski <jogo@openwrt.org> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Cc: stable@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/16614/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 27 June 2017, 21:35:21 UTC |
e20bd60 | Andrew F. Davis | 26 June 2017, 17:41:20 UTC | net: usb: asix88179_178a: Add support for the Belkin B2B128 The Belkin B2B128 is a USB 3.0 Hub + Gigabit Ethernet Adapter, the Ethernet adapter uses the ASIX AX88179 USB 3.0 to Gigabit Ethernet chip supported by this driver, add the USB ID for the same. This patch is based on work by Geoffrey Tran <geoffrey.tran@gmail.com> who has indicated they would like this upstreamed by someone more familiar with the upstreaming process. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 27 June 2017, 19:46:07 UTC |
85688d9 | Madalin Bucur | 26 June 2017, 15:47:00 UTC | fsl/fman: add dependency on HAS_DMA A previous commit (5567e989198b5a8d) inserted a dependency on DMA API that requires HAS_DMA to be added in Kconfig. Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 27 June 2017, 19:42:30 UTC |
00a0ea3 | Vallish Vaidyeshwara | 23 June 2017, 18:53:06 UTC | dm thin: do not queue freed thin mapping for next stage processing process_prepared_discard_passdown_pt1() should cleanup dm_thin_new_mapping in cases of error. dm_pool_inc_data_range() can fail trying to get a block reference: metadata operation 'dm_pool_inc_data_range' failed: error = -61 When dm_pool_inc_data_range() fails, dm thin aborts current metadata transaction and marks pool as PM_READ_ONLY. Memory for thin mapping is released as well. However, current thin mapping will be queued onto next stage as part of queue_passdown_pt2() or passdown_endio(). This dangling thin mapping memory when processed and accessed in next stage will lead to device mapper crashing. Code flow without fix: -> process_prepared_discard_passdown_pt1(m) -> dm_thin_remove_range() -> discard passdown --> passdown_endio(m) queues m onto next stage -> dm_pool_inc_data_range() fails, frees memory m but does not remove it from next stage queue -> process_prepared_discard_passdown_pt2(m) -> processes freed memory m and crashes One such stack: Call Trace: [<ffffffffa037a46f>] dm_cell_release_no_holder+0x2f/0x70 [dm_bio_prison] [<ffffffffa039b6dc>] cell_defer_no_holder+0x3c/0x80 [dm_thin_pool] [<ffffffffa039b88b>] process_prepared_discard_passdown_pt2+0x4b/0x90 [dm_thin_pool] [<ffffffffa0399611>] process_prepared+0x81/0xa0 [dm_thin_pool] [<ffffffffa039e735>] do_worker+0xc5/0x820 [dm_thin_pool] [<ffffffff8152bf54>] ? __schedule+0x244/0x680 [<ffffffff81087e72>] ? pwq_activate_delayed_work+0x42/0xb0 [<ffffffff81089f53>] process_one_work+0x153/0x3f0 [<ffffffff8108a71b>] worker_thread+0x12b/0x4b0 [<ffffffff8108a5f0>] ? rescuer_thread+0x350/0x350 [<ffffffff8108fd6a>] kthread+0xca/0xe0 [<ffffffff8108fca0>] ? kthread_park+0x60/0x60 [<ffffffff81530b45>] ret_from_fork+0x25/0x30 The fix is to first take the block ref count for discarded block and then do a passdown discard of this block. If block ref count fails, then bail out aborting current metadata transaction, mark pool as PM_READ_ONLY and also free current thin mapping memory (existing error handling code) without queueing this thin mapping onto next stage of processing. If block ref count succeeds, then passdown discard of this block. Discard callback of passdown_endio() will queue this thin mapping onto next stage of processing. Code flow with fix: -> process_prepared_discard_passdown_pt1(m) -> dm_thin_remove_range() -> dm_pool_inc_data_range() --> if fails, free memory m and bail out -> discard passdown --> passdown_endio(m) queues m onto next stage Cc: stable <stable@vger.kernel.org> # v4.9+ Reviewed-by: Eduardo Valentin <eduval@amazon.com> Reviewed-by: Cristian Gafton <gafton@amazon.com> Reviewed-by: Anchal Agarwal <anchalag@amazon.com> Signed-off-by: Vallish Vaidyeshwara <vallish@amazon.com> Reviewed-by: Joe Thornber <ejt@redhat.com> Signed-off-by: Mike Snitzer <snitzer@redhat.com> | 27 June 2017, 19:14:34 UTC |
6f64ec7 | Eric Dumazet | 27 June 2017, 14:02:20 UTC | net: prevent sign extension in dev_get_stats() Similar to the fix provided by Dominik Heidler in commit 9b3dc0a17d73 ("l2tp: cast l2tp traffic counter to unsigned") we need to take care of 32bit kernels in dev_get_stats(). When using atomic_long_read(), we add a 'long' to u64 and might misinterpret high order bit, unless we cast to unsigned. Fixes: caf586e5f23ce ("net: add a core netdev->rx_dropped counter") Fixes: 015f0688f57ca ("net: net: add a core netdev->tx_dropped counter") Fixes: 6e7333d315a76 ("net: add rx_nohandler stat counter") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 27 June 2017, 18:45:12 UTC |
3c2bfba | Linus Torvalds | 27 June 2017, 15:56:52 UTC | Merge branch 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm Pull ARM fixes from Russell King: "Three more fixes: - Fix the previous fix merged in the last pull for the Thumb2 decompressor. - A fix from Vladimir to correctly identify the V7M cache type. - The optimised 3G vmsplit case does not work with LPAE, so don't allow this to be selected for LPAE configurations" * 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm: ARM: 8682/1: V7M: Set cacheid iff DminLine or IminLine is nonzero ARM: 8681/1: make VMSPLIT_3G_OPT depends on !ARM_LPAE ARM: 8680/1: boot/compressed: fix inappropriate Thumb2 mnemonic for __nop | 27 June 2017, 15:56:52 UTC |
e3c2c4f | Ingo Molnar | 27 June 2017, 07:17:02 UTC | Merge tag 'perf-urgent-for-mingo-4.12-20170626' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fix from Arnaldo Carvalho de Melo: - Fix segfault for kernel.kptr_restrict=2 (Jiri Olsa) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> | 27 June 2017, 07:17:02 UTC |
da8b14e | Linus Torvalds | 26 June 2017, 19:25:59 UTC | Merge tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming Pull c6x fixlet from Mark Salter: "Update maintainer email" * tag 'for-linus' of git://linux-c6x.org/git/projects/linux-c6x-upstreaming: MAINTAINERS: update email address for C6x maintainer | 26 June 2017, 19:25:59 UTC |
9d646c9 | Linus Torvalds | 26 June 2017, 18:58:21 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 bugfix from Martin Schwidefsky: "One last s390 patch for 4.12 Revert the re-IPL semantics back to the v4.7 state. It turned out that the memory layout may change due to memory hotplug if load-normal is used" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/ipl: revert Load Normal semantics for LPAR CCW-type re-IPL | 26 June 2017, 18:58:21 UTC |
3f938ee | Jiri Olsa | 26 June 2017, 09:51:53 UTC | perf machine: Fix segfault for kernel.kptr_restrict=2 Michael reported the segfault when kernel.kptr_restrict=2 is set. $ perf record ls ... perf: Segmentation fault Obtained 16 stack frames. ./perf(dump_stack+0x2d) [0x5068df] ./perf(sighandler_dump_stack+0x2d) [0x5069bf] ./perf() [0x43e47b] /lib64/libc.so.6(+0x3594f) [0x7f762004794f] /lib64/libc.so.6(strlen+0x26) [0x7f762009ef86] /lib64/libc.so.6(__strdup+0xd) [0x7f762009ecbd] ./perf(maps__set_kallsyms_ref_reloc_sym+0x4d) [0x51590f] ./perf(machine__create_kernel_maps+0x136) [0x50a7de] ./perf(perf_session__create_kernel_maps+0x2c) [0x510a81] ./perf(perf_session__new+0x13d) [0x510e23] ./perf() [0x43fd61] ./perf(cmd_record+0x704) [0x441823] ./perf() [0x4bc1a0] ./perf() [0x4bc40d] ./perf() [0x4bc55f] ./perf(main+0x2d5) [0x4bc939] Segmentation fault (core dumped) The reason is that with kernel.kptr_restrict=2, we don't get the symbol from machine__get_running_kernel_start, which we want to use in maps__set_kallsyms_ref_reloc_sym and we crash. Check the symbol name value before calling maps__set_kallsyms_ref_reloc_sym() and succeed without ref_reloc_sym being set. It's safe because we check its existence before we use it. Reported-by: Michael Petlan <mpetlan@redhat.com> Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/20170626095153.553-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> | 26 June 2017, 14:52:37 UTC |
d6bd819 | Michael Ellerman | 26 June 2017, 01:30:57 UTC | powerpc/32: Avoid miscompilation w/GCC 4.6.3 - don't inline copy_to/from_user() Larry Finger reported that his Powerbook G4 was no longer booting with v4.12-rc, userspace was up but giving weird errors such as: udevd[64]: starting version 175 udevd[64]: Unable to receive ctrl message: Bad address. modprobe: chdir(4.12-rc1): No such file or directory He bisected the problem to commit 3448890c32c3 ("powerpc: get rid of zeroing, switch to RAW_COPY_USER"). Al identified that the problem is actually a miscompilation by GCC 4.6.3, which is exposed by the above commit. Al also pointed out that inlining copy_to/from_user() is probably of little or no benefit, which is correct. Using Anton's copy_to_user benchmark, with a pathological single byte copy, we see a small increase in performance by *removing* inlining: Before (inlined): # time ./copy_to_user -w -l 1 -i 10000000 ( x 3 ) real 0m22.063s real 0m22.059s real 0m22.076s After: # time ./copy_to_user -w -l 1 -i 10000000 ( x 3 ) real 0m21.325s real 0m21.299s real 0m21.364s So as a small performance improvement and to avoid the miscompilation, drop inlining copy_to/from_user() on 32-bit. Fixes: 3448890c32c3 ("powerpc: get rid of zeroing, switch to RAW_COPY_USER") Reported-by: Larry Finger <Larry.Finger@lwfinger.net> Suggested-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> | 26 June 2017, 13:25:08 UTC |
82fcee5 | Deepak Rawat | 26 June 2017, 12:39:08 UTC | drm/vmwgfx: Free hash table allocated by cmdbuf managed res mgr The hash table created during vmw_cmdbuf_res_man_create was never freed. This causes memory leak in context creation. Added the corresponding drm_ht_remove in vmw_cmdbuf_res_man_destroy. Tested for memory leak by running piglit overnight and kernel memory is not inflated which earlier was. Cc: <stable@vger.kernel.org> Signed-off-by: Deepak Rawat <drawat@vmware.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> | 26 June 2017, 12:39:08 UTC |
98fe363 | Jérôme Glisse | 24 June 2017, 18:05:14 UTC | x86/mm/hotplug: Fix BUG_ON() after hot-remove by not freeing PUD Since commit: af2cf278ef4f ("x86/mm/hotplug: Don't remove PGD entries in remove_pagetable()") we no longer free PUDs so that we do not have to synchronize all PGDs on hot-remove/vfree(). But the new 5-level page table patchset reverted that for 4-level page tables, in the following commit: f2a6a7050109: ("x86: Convert the rest of the code to support p4d_t") This patch restores the damage and disables free_pud() if we are in the 4-level page table case, thus avoiding BUG_ON() after hot-remove. Signed-off-by: Jérôme Glisse <jglisse@redhat.com> [ Clarified the changelog and the code comments. ] Reviewed-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Logan Gunthorpe <logang@deltatee.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-mm@kvack.org Link: http://lkml.kernel.org/r/20170624180514.3821-1-jglisse@redhat.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 26 June 2017, 09:44:19 UTC |
611cdf3 | Chris Wilson | 16 June 2017, 14:05:18 UTC | drm/i915: Disable EXEC_OBJECT_ASYNC when doing relocations If we write a relocation into the buffer, we require our own implicit synchronisation added after the start of the execbuf, outside of the user's control. As we may end up clflushing, or doing the patch itself on the GPU, asynchronously we need to look at the implicit serialisation on obj->resv and hence need to disable EXEC_OBJECT_ASYNC for this object. If the user does trigger a stall for relocations, we make sure the stall is complete enough so that the batch is not submitted before we complete those relocations. Fixes: 77ae9957897d ("drm/i915: Enable userspace to opt-out of implicit fencing") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Jason Ekstrand <jason@jlekstrand.net> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> (cherry picked from commit 071750e550af46b5d3a84ad56c2a108c3e136284) [danvet: Resolve conflicts, resolution reviewed by Tvrtko on irc.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> | 26 June 2017, 08:43:26 UTC |
2c73676 | Chris Wilson | 17 June 2017, 11:57:44 UTC | drm/i915: Hold struct_mutex for per-file stats in debugfs/i915_gem_object As we walk the obj->vma_list in per_file_stats(), we need to hold struct_mutex to prevent alteration of that list. Fixes: 1d2ac403ae3b ("drm: Protect dev->filelist with its own mutex") Fixes: c84455b4bacc ("drm/i915: Move debug only per-request pid tracking from request to ctx") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101460 Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170617115744.4452-1-chris@chris-wilson.co.uk Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com> (cherry picked from commit 0caf81b5c53d9bd332a95dbcb44db8de0b397a7c) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> | 26 June 2017, 07:53:47 UTC |
d8462d0 | Chris Wilson | 20 June 2017, 12:43:19 UTC | drm/i915: Retire the VMA's fence tracker before unbinding Since we may track unfenced access (GPU access to the vma that explicitly requires no fence), vma->last_fence may be set without any attached fence (vma->fence) and so will not be flushed when we call i915_vma_put_fence(). Since we stopped doing a full retire of the activity trackers for unbind, we need to explicitly retire each tracker. Fixes: b0decaf75bd9 ("drm/i915: Track active vma requests") Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170620124321.1108-1-chris@chris-wilson.co.uk Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> (cherry picked from commit 760a898d8069111704e1bd43f00ebf369ae46e57) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> | 26 June 2017, 07:53:39 UTC |
c0bc126 | Linus Torvalds | 26 June 2017, 01:30:05 UTC | Linux 4.12-rc7 | 26 June 2017, 01:30:05 UTC |
a4fd8b3 | Linus Torvalds | 25 June 2017, 19:01:56 UTC | Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Thomas Gleixner: "A single fix to unbreak the vdso32 build for 64bit kernels caused by excess #includes in the mshyperv header" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mshyperv: Remove excess #includes from mshyperv.h | 25 June 2017, 19:01:56 UTC |
5f4b37d | Linus Torvalds | 25 June 2017, 18:59:19 UTC | Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "A few fixes for timekeeping and timers: - Plug a subtle race due to a missing READ_ONCE() in the timekeeping code where reloading of a pointer results in an inconsistent callback argument being supplied to the clocksource->read function. - Correct the CLOCK_MONOTONIC_RAW sub-nanosecond accounting in the time keeping core code, to prevent a possible discontuity. - Apply a similar fix to the arm64 vdso clock_gettime() implementation - Add missing includes to clocksource drivers, which relied on indirect includes which fails in certain configs. - Use the proper iomem pointer for read/iounmap in a probe function" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting time: Fix clock->read(clock) race around clocksource changes clocksource: Explicitly include linux/clocksource.h when needed clocksource/drivers/arm_arch_timer: Fix read and iounmap of incorrect variable | 25 June 2017, 18:59:19 UTC |
35d8d5d | Linus Torvalds | 25 June 2017, 18:55:21 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Thomas Gleixner: "Three fixlets for perf: - Return the proper error code if aux buffers for a event are not supported. - Calculate the probe offset for inlined functions correctly - Update the Skylake DTLB load/store miss event so it can count 1G TLB entries as well" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf probe: Fix probe definition for inlined functions perf/x86/intel: Add 1G DTLB load/store miss support for SKL perf/aux: Correct return code of rb_alloc_aux() if !has_aux(ev) | 25 June 2017, 18:55:21 UTC |
1a8cca1 | Linus Torvalds | 25 June 2017, 18:53:36 UTC | Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fix from Thomas Gleixner: "A single fix for the MIPS GIC to prevent ftrace recursion" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/mips-gic: Mark count and compare accessors notrace | 25 June 2017, 18:53:36 UTC |
412572b | Linus Torvalds | 25 June 2017, 17:39:43 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - a quirk to i8042 to ignore timeout bit on Lifebook AH544 - a fixup to Synaptics RMI function 54 that was breaking some Dells - a fix for memory leak in soc_button_array driver * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: synaptics-rmi4 - only read the F54 query registers which are used Input: i8042 - add Fujitsu Lifebook AH544 to notimeout list Input: soc_button_array - fix leaking the ACPI button descriptor buffer | 25 June 2017, 17:39:43 UTC |
d5d5c18 | Linus Torvalds | 25 June 2017, 17:36:44 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target fixes from Nicholas Bellinger: "Here are the target-pending fixes for v4.12-rc7 that have been queued up for the last 2 weeks. This includes: - Fix a TMR related kref underflow detected by the recent refcount_t conversion in upstream. - Fix a iscsi-target corner case during explicit connection logout timeout failure. - Address last fallout in iscsi-target immediate data handling from v4.4 target-core now allowing control CDB payload underflow" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: iscsi-target: Reject immediate data underflow larger than SCSI transfer length iscsi-target: Fix delayed logout processing greater than SECONDS_FOR_LOGOUT_COMP target: Fix kref->refcount underflow in transport_cmd_finish_abort | 25 June 2017, 17:36:44 UTC |
d747a7a | WANG Cong | 25 June 2017, 06:50:30 UTC | tcp: reset sk_rx_dst in tcp_disconnect() We have to reset the sk->sk_rx_dst when we disconnect a TCP connection, because otherwise when we re-connect it this dst reference is simply overridden in tcp_finish_connect(). This fixes a dst leak which leads to a loopback dev refcnt leak. It is a long-standing bug, Kevin reported a very similar (if not same) bug before. Thanks to Andrei for providing such a reliable reproducer which greatly narrows down the problem. Fixes: 41063e9dd119 ("ipv4: Early TCP socket demux.") Reported-by: Andrei Vagin <avagin@gmail.com> Reported-by: Kevin Xu <kaiwen.xu@hulu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 25 June 2017, 16:23:07 UTC |
85cb73f | Wei Wang | 23 June 2017, 22:25:37 UTC | net: ipv6: reset daddr and dport in sk if connect() fails In __ip6_datagram_connect(), reset sk->sk_v6_daddr and inet->dport if error occurs. In udp_v6_early_demux(), check for sk_state to make sure it is in TCP_ESTABLISHED state. Together, it makes sure unconnected UDP socket won't be considered as a valid candidate for early demux. v3: add TCP_ESTABLISHED state check in udp_v6_early_demux() v2: fix compilation error Fixes: 5425077d73e0 ("net: ipv6: Add early demux handler for UDP unicast") Signed-off-by: Wei Wang <weiwan@google.com> Acked-by: Maciej Żenczykowski <maze@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 25 June 2017, 15:46:56 UTC |
d0c32a1 | Mintz, Yuval | 24 June 2017, 12:37:00 UTC | bnx2x: Don't log mc removal needlessly When mc configuration changes bnx2x_config_mcast() can return 0 for success, negative for failure and positive for benign reason preventing its immediate work, e.g., when the command awaits the completion of a previously sent command. When removing all configured macs on a 578xx adapter, if a positive value would be returned driver would errneously log it as an error. Fixes: c7b7b483ccc9 ("bnx2x: Don't flush multicast MACs") Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 25 June 2017, 15:36:56 UTC |
bb9b8fd | Linus Torvalds | 24 June 2017, 23:18:00 UTC | Merge tag 'kbuild-fixes-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: "Nothing scary, just some random fixes: - fix warnings of host programs - fix "make tags" when COMPILED_SOURCE=1 is specified along with O= - clarify help message of C=1 option - fix dependency for ncurses compatibility check - fix "make headers_install" for fakechroot environment" * tag 'kbuild-fixes-v4.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kconfig: fix sparse warnings in nconfig kbuild: fix header installation under fakechroot environment kconfig: Check for libncurses before menuconfig Kbuild: tiny correction on `make help` tags: honor COMPILED_SOURCE with apart output directory genksyms: add printf format attribute to error_with_pos() | 24 June 2017, 23:18:00 UTC |
f65013d | Linus Torvalds | 24 June 2017, 09:24:53 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace Pull timer fix from Eric Biederman: "This fixes an issue of confusing injected signals with the signals from posix timers that has existed since posix timers have been in the kernel. This patch is slightly simpler than my earlier version of this patch as I discovered in testing that I had misspelled "#ifdef CONFIG_POSIX_TIMERS". So I deleted that unnecessary test and made setting of resched_timer uncondtional. I have tested this and verified that without this patch there is a nasty hang that is easy to trigger, and with this patch everything works properly" Thomas Gleixner dixit: "It fixes the problem at hand and covers the ptrace case as well, which I missed. Reviewed-and-tested-by: Thomas Gleixner <tglx@linutronix.de>" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace: signal: Only reschedule timers on signals timers have sent | 24 June 2017, 09:24:53 UTC |
26fcd95 | Thomas Gleixner | 23 June 2017, 08:50:38 UTC | x86/mshyperv: Remove excess #includes from mshyperv.h A recent commit included linux/slab.h in linux/irq.h. This breaks the build of vdso32 on a 64-bit kernel. The reason is that linux/irq.h gets included into the vdso code via linux/interrupt.h which is included from asm/mshyperv.h. That makes the 32-bit vdso compile fail, because slab.h includes the pgtable headers for 64-bit on a 64-bit build. Neither linux/clocksource.h nor linux/interrupt.h are needed in the mshyperv.h header file itself - it has a dependency on <linux/atomic.h>. Remove the includes and unbreak the build. Reported-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: K. Y. Srinivasan <kys@microsoft.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Vitaly Kuznetsov <vkuznets@redhat.com> Cc: devel@linuxdriverproject.org Fixes: dee863b571b0 ("hv: export current Hyper-V clocksource") Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1706231038460.2647@nanos Signed-off-by: Ingo Molnar <mingo@kernel.org> | 24 June 2017, 06:48:51 UTC |
94a6df2 | Linus Torvalds | 24 June 2017, 00:53:16 UTC | Merge tag 'powerpc-4.12-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fixes from Michael Ellerman: "Some more powerpc fixes for 4.12. Most of these actually came in last week but got held up for some more testing. - three fixes for kprobes/ftrace/livepatch interactions. - properly handle data breakpoints when using the Radix MMU. - fix for perf sampling of registers during call_usermodehelper(). - properly initialise the thread_info on our emergency stacks - add an explicit flush when doing TLB invalidations for a process using NPU2. Thanks to: Alistair Popple, Naveen N. Rao, Nicholas Piggin, Ravi Bangoria, Masami Hiramatsu" * tag 'powerpc-4.12-7' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/64: Initialise thread_info for emergency stacks powerpc/powernv/npu-dma: Add explicit flush when sending an ATSD powerpc/perf: Fix oops when kthread execs user process powerpc/64s: Handle data breakpoints in Radix mode powerpc/kprobes: Skip livepatch_handler() for jprobes powerpc/ftrace: Pass the correct stack pointer for DYNAMIC_FTRACE_WITH_REGS powerpc/kprobes: Pause function_graph tracing during jprobes handling | 24 June 2017, 00:53:16 UTC |
cd5545a | Linus Torvalds | 24 June 2017, 00:49:12 UTC | Merge tag 'acpi-4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI fix from Rafael Wysocki: "This fixes the ACPI-based enumeration of some I2C and SPI devices broken in 4.11. Specifics: - I2C and SPI devices are expected to be enumerated by the I2C and SPI subsystems, respectively, but due to a change made during the 4.11 cycle, in some cases the ACPI core marks them as already enumerated which causes the I2C and SPI subsystems to overlook them, so fix that (Jarkko Nikula)" * tag 'acpi-4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: ACPI / scan: Fix enumeration for special SPI and I2C devices | 24 June 2017, 00:49:12 UTC |
ba6cbdb | Linus Torvalds | 24 June 2017, 00:46:10 UTC | Merge branch 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux Pull i2c fix from Wolfram Sang. * 'i2c/for-current-fixed' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux: i2c: imx: Use correct function to write to register | 24 June 2017, 00:46:10 UTC |
25b2398 | Linus Torvalds | 24 June 2017, 00:40:41 UTC | Merge tag 'gpio-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO fix from Linus Walleij: "A single GPIO patch fixing the compatible string for the MVEBU PWM controller embedded in the GPIO controller before we release v4.12. Hopefully" * tag 'gpio-v4.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: mvebu: change compatible string for PWM support | 24 June 2017, 00:40:41 UTC |
51c933f | Linus Torvalds | 24 June 2017, 00:37:56 UTC | Merge tag 'sound-4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "Nothing exciting here, just a few stable fixes: - suppress spurious kernel WARNING in PCM core - fix potential spin deadlock at error handling in firewire - HD-audio PCI ID addition / fixup" * tag 'sound-4.12-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda - Apply quirks to Broxton-T, too ALSA: firewire-lib: Fix stall of process context at packet error ALSA: pcm: Don't treat NULL chmap as a fatal error ALSA: hda - Add Coffelake PCI ID | 24 June 2017, 00:37:56 UTC |
311548f | Linus Torvalds | 24 June 2017, 00:35:57 UTC | Merge tag 'drm-fixes-for-v4.12-rc7' of git://people.freedesktop.org/~airlied/linux Pull drm fixes from Dave Airlie: "A varied bunch of fixes, one for an API regression with connectors. Otherwise amdgpu and i915 have a bunch of varied fixes, the shrinker ones being the most important" * tag 'drm-fixes-for-v4.12-rc7' of git://people.freedesktop.org/~airlied/linux: drm: Fix GETCONNECTOR regression drm/radeon: add a quirk for Toshiba Satellite L20-183 drm/radeon: add a PX quirk for another K53TK variant drm/amdgpu: adjust default display clock drm/amdgpu/atom: fix ps allocation size for EnableDispPowerGating drm/amdgpu: add Polaris12 DID drm/i915: Don't enable backlight at setup time. drm/i915: Plumb the correct acquire ctx into intel_crtc_disable_noatomic() drm/i915: Fix deadlock witha the pipe A quirk during resume drm/i915: Remove __GFP_NORETRY from our buffer allocator drm/i915: Encourage our shrinker more when our shmemfs allocations fails drm/i915: Differentiate between sw write location into ring and last hw read | 24 June 2017, 00:35:57 UTC |