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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
7876320 | Linus Torvalds | 16 September 2018, 18:52:37 UTC | Linux 4.19-rc4 | 16 September 2018, 18:52:37 UTC |
8a104f8 | Greg Kroah-Hartman | 15 September 2018, 18:26:44 UTC | Code of Conduct: Let's revamp it. The Code of Conflict is not achieving its implicit goal of fostering civility and the spirit of 'be excellent to each other'. Explicit guidelines have demonstrated success in other projects and other areas of the kernel. Here is a Code of Conduct statement for the wider kernel. It is based on the Contributor Covenant as described at www.contributor-covenant.org From this point forward, we should abide by these rules in order to help make the kernel community a welcoming environment to participate in. Signed-off-by: Chris Mason <clm@fb.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Olof Johansson <olof@lxom.net> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 16 September 2018, 18:42:28 UTC |
27c5a77 | Linus Torvalds | 15 September 2018, 18:02:46 UTC | Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fixes from Ingol Molnar: "Misc fixes: - EFI crash fix - Xen PV fixes - do not allow PTI on 2-level 32-bit kernels for now - documentation fix" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/APM: Fix build warning when PROC_FS is not enabled Revert "x86/mm/legacy: Populate the user page-table with user pgd's" x86/efi: Load fixmap GDT in efi_call_phys_epilog() before setting %cr3 x86/xen: Disable CPU0 hotplug for Xen PV x86/EISA: Don't probe EISA bus for Xen PV guests x86/doc: Fix Documentation/x86/earlyprintk.txt | 15 September 2018, 18:02:46 UTC |
4314daa | Linus Torvalds | 15 September 2018, 18:00:37 UTC | Merge branch 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "Misc fixes: various scheduler metrics corner case fixes, a sched_features deadlock fix, and a topology fix for certain NUMA systems" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/fair: Fix kernel-doc notation warning sched/fair: Fix load_balance redo for !imbalance sched/fair: Fix scale_rt_capacity() for SMT sched/fair: Fix vruntime_normalized() for remote non-migration wakeup sched/pelt: Fix update_blocked_averages() for RT and DL classes sched/topology: Set correct NUMA topology type sched/debug: Fix potential deadlock when writing to sched_features | 15 September 2018, 18:00:37 UTC |
c0be92b | Linus Torvalds | 15 September 2018, 16:44:32 UTC | Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, but also breakpoint and x86 PMU driver fixes" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits) perf tools: Fix maps__find_symbol_by_name() tools headers uapi: Update tools's copy of linux/if_link.h tools headers uapi: Update tools's copy of linux/vhost.h tools headers uapi: Update tools's copies of kvm headers tools headers uapi: Update tools's copy of drm/drm.h tools headers uapi: Update tools's copy of asm-generic/unistd.h tools headers uapi: Update tools's copy of linux/perf_event.h perf/core: Force USER_DS when recording user stack data perf/UAPI: Clearly mark __PERF_SAMPLE_CALLCHAIN_EARLY as internal use perf/x86/intel: Add support/quirk for the MISPREDICT bit on Knights Landing CPUs perf annotate: Fix parsing aarch64 branch instructions after objdump update perf probe powerpc: Ignore SyS symbols irrespective of endianness perf event-parse: Use fixed size string for comms perf util: Fix bad memory access in trace info. perf tools: Streamline bpf examples and headers installation perf evsel: Fix potential null pointer dereference in perf_evsel__new_idx() perf arm64: Fix include path for asm-generic/unistd.h perf/hw_breakpoint: Simplify breakpoint enable in perf_event_modify_breakpoint perf/hw_breakpoint: Enable breakpoint in modify_user_hw_breakpoint perf/hw_breakpoint: Remove superfluous bp->attr.disabled = 0 ... | 15 September 2018, 16:44:32 UTC |
ca062f8 | Linus Torvalds | 15 September 2018, 16:39:09 UTC | Merge branch 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Ingo Molnar: "Misc fixes: liblockdep fixes and ww_mutex fixes" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/ww_mutex: Fix spelling mistake "cylic" -> "cyclic" locking/lockdep: Delete unnecessary #include tools/lib/lockdep: Add dummy task_struct state member tools/lib/lockdep: Add empty nmi.h tools/lib/lockdep: Update Sasha Levin email to MSFT jump_label: Fix typo in warning message locking/mutex: Fix mutex debug call and ww_mutex documentation | 15 September 2018, 16:39:09 UTC |
002b87d | Randy Dunlap | 14 September 2018, 22:10:29 UTC | x86/APM: Fix build warning when PROC_FS is not enabled Fix build warning in apm_32.c when CONFIG_PROC_FS is not enabled: ../arch/x86/kernel/apm_32.c:1643:12: warning: 'proc_apm_show' defined but not used [-Wunused-function] static int proc_apm_show(struct seq_file *m, void *v) Fixes: 3f3942aca6da ("proc: introduce proc_create_single{,_data}") Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Christoph Hellwig <hch@lst.de> Cc: Jiri Kosina <jikos@kernel.org> Link: https://lkml.kernel.org/r/be39ac12-44c2-4715-247f-4dcc3c525b8b@infradead.org | 15 September 2018, 08:16:25 UTC |
3a5af36 | Linus Torvalds | 15 September 2018, 05:33:42 UTC | Merge tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6 Pull cifs fixes from Steve French: "Fixes for four CIFS/SMB3 potential pointer overflow issues, one minor build fix, and a build warning cleanup" * tag '4.19-rc3-smb3-cifs' of git://git.samba.org/sfrench/cifs-2.6: cifs: read overflow in is_valid_oplock_break() cifs: integer overflow in in SMB2_ioctl() CIFS: fix wrapping bugs in num_entries() cifs: prevent integer overflow in nxt_dir_entry() fs/cifs: require sha512 fs/cifs: suppress a string overflow warning | 15 September 2018, 05:33:42 UTC |
589109d | Linus Torvalds | 15 September 2018, 05:25:28 UTC | Merge tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs Pull NFS client bugfixes from Anna Schumaker: "These are a handful of fixes for problems that Trond found. Patch #1 and #3 have the same name, a second issue was found after applying the first patch. Stable bugfixes: - v4.17+: Fix tracepoint Oops in initiate_file_draining() - v4.11+: Fix an infinite loop on I/O Other fixes: - Return errors if a waiting layoutget is killed - Don't open code clearing of delegation state" * tag 'nfs-for-4.19-2' of git://git.linux-nfs.org/projects/anna/linux-nfs: NFS: Don't open code clearing of delegation state NFSv4.1 fix infinite loop on I/O. NFSv4: Fix a tracepoint Oops in initiate_file_draining() pNFS: Ensure we return the error if someone kills a waiting layoutget NFSv4: Fix a tracepoint Oops in initiate_file_draining() | 15 September 2018, 05:25:28 UTC |
5b945fd | Linus Torvalds | 15 September 2018, 03:31:02 UTC | Merge tag 'trace-v4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull tracing fix from Steven Rostedt: "This fixes an issue with the build system caused by a change that modifies CC_FLAGS_FTRACE. The issue is that it breaks the dependencies and causes "make targz-pkg" to rebuild the entire world" * tag 'trace-v4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: tracing/Makefile: Fix handling redefinition of CC_FLAGS_FTRACE | 15 September 2018, 03:31:02 UTC |
090b75b | Linus Torvalds | 14 September 2018, 23:03:17 UTC | Merge tag 'devicetree-fixes-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux Pull DeviceTree fix from Rob Herring: "One regression for a 20 year old PowerMac: - Fix a regression on systems having a DT without any phandles which happens on a PowerMac G3" * tag 'devicetree-fixes-for-4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: of: fix phandle cache creation for DTs with no phandles | 14 September 2018, 23:03:17 UTC |
d7c0268 | Linus Torvalds | 14 September 2018, 23:01:06 UTC | Merge tag 'for-linus-4.19c-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fixes from Juergen Gross: "This contains some minor cleanups and fixes: - a new knob for controlling scrubbing of pages returned by the Xen balloon driver to the Xen hypervisor to address a boot performance issue seen in large guests booted pre-ballooned - a fix of a regression in the gntdev driver which made it impossible to use fully virtualized guests (HVM guests) with a 4.19 based dom0 - a fix in Xen cpu hotplug functionality which could be triggered by wrong admin commands (setting number of active vcpus to 0) One further note: the patches have all been under test for several days in another branch. This branch has been rebased in order to avoid merge conflicts" * tag 'for-linus-4.19c-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/gntdev: fix up blockable calls to mn_invl_range_start xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage xen: avoid crash in disable_hotplug_cpu xen/balloon: add runtime control for scrubbing ballooned out pages xen/manage: don't complain about an empty value in control/sysrq node | 14 September 2018, 23:01:06 UTC |
eae4f88 | Linus Torvalds | 14 September 2018, 22:56:42 UTC | Merge tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensa Pull Xtensa fixes and cleanups from Max Filippov: - don't allocate memory in platform_setup as the memory allocator is not initialized at that point yet; - remove unnecessary ifeq KBUILD_SRC from arch/xtensa/Makefile; - enable SG chaining in arch/xtensa/Kconfig. * tag 'xtensa-20180914' of git://github.com/jcmvbkbc/linux-xtensa: xtensa: enable SG chaining in Kconfig xtensa: remove unnecessary KBUILD_SRC ifeq conditional xtensa: ISS: don't allocate memory in platform_setup | 14 September 2018, 22:56:42 UTC |
3e15325 | Linus Torvalds | 14 September 2018, 22:42:02 UTC | Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux Pull arm64 fixes from Will Deacon: "The trickle of arm64 fixes continues to come in. Nothing that's the end of the world, but we've got a fix for PCI IO port accesses, an accidental naked "asm goto" and a fix to the vmcoreinfo PT_NOTE merged this time around which we'd like to get sorted before it becomes ABI. - Fix ioport_map() mapping the wrong physical address for some I/O BARs - Remove direct use of "asm goto", since some compilers don't like that - Ensure kimage_voffset is always present in vmcoreinfo PT_NOTE" * tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: asm-generic: io: Fix ioport_map() for !CONFIG_GENERIC_IOMAP && CONFIG_INDIRECT_PIO arm64: kernel: arch_crash_save_vmcoreinfo() should depend on CONFIG_CRASH_CORE arm64: jump_label.h: use asm_volatile_goto macro instead of "asm goto" | 14 September 2018, 22:42:02 UTC |
9f0c512 | Trond Myklebust | 05 September 2018, 18:07:15 UTC | NFS: Don't open code clearing of delegation state Add a helper for the case when the nfs4 open state has been set to use a delegation stateid, and we want to revert to using the open stateid. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> | 14 September 2018, 20:24:27 UTC |
994b15b | Trond Myklebust | 05 September 2018, 18:07:14 UTC | NFSv4.1 fix infinite loop on I/O. The previous fix broke recovery of delegated stateids because it assumes that if we did not mark the delegation as suspect, then the delegation has effectively been revoked, and so it removes that delegation irrespectively of whether or not it is valid and still in use. While this is "mostly harmless" for ordinary I/O, we've seen pNFS fail with LAYOUTGET spinning in an infinite loop while complaining that we're using an invalid stateid (in this case the all-zero stateid). What we rather want to do here is ensure that the delegation is always correctly marked as needing testing when that is the case. So we want to close the loophole offered by nfs4_schedule_stateid_recovery(), which marks the state as needing to be reclaimed, but not the delegation that may be backing it. Fixes: 0e3d3e5df07dc ("NFSv4.1 fix infinite loop on IO BAD_STATEID error") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org # v4.11+ Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> | 14 September 2018, 20:24:11 UTC |
2edaead | Trond Myklebust | 05 September 2018, 18:07:13 UTC | NFSv4: Fix a tracepoint Oops in initiate_file_draining() Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to change the test in the tracepoint. Fixes: ce5624f7e6675 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org # v4.17+ Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> | 14 September 2018, 20:24:08 UTC |
d03360a | Trond Myklebust | 05 September 2018, 18:07:12 UTC | pNFS: Ensure we return the error if someone kills a waiting layoutget If someone interrupts a wait on one or more outstanding layoutgets in pnfs_update_layout() then return the ERESTARTSYS/EINTR error. Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> | 14 September 2018, 20:24:08 UTC |
2a534a7 | Trond Myklebust | 23 August 2018, 15:02:49 UTC | NFSv4: Fix a tracepoint Oops in initiate_file_draining() Now that the value of 'ino' can be NULL or an ERR_PTR(), we need to change the test in the tracepoint. Fixes: ce5624f7e6675 ("NFSv4: Return NFS4ERR_DELAY when a layout fails...") Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com> Cc: stable@vger.kernel.org # v4.17+ Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com> | 14 September 2018, 20:23:16 UTC |
f3c0b8c | Linus Torvalds | 14 September 2018, 16:08:40 UTC | Merge tag 'dmaengine-fix-4.19-rc4' of git://git.infradead.org/users/vkoul/slave-dma Pull dmaengine fix from Vinod Koul: "Fix the mic_x100_dma driver to use devm_kzalloc for driver memory, so that it is freed properly when it unregisters from dmaengine using managed API" * tag 'dmaengine-fix-4.19-rc4' of git://git.infradead.org/users/vkoul/slave-dma: dmaengine: mic_x100_dma: use devm_kzalloc to fix an issue | 14 September 2018, 16:08:40 UTC |
1abc088 | Linus Torvalds | 14 September 2018, 15:59:48 UTC | Merge tag 'usb-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb Pull USB fixes from Greg KH: "Here are a number of small USB driver fixes for -rc4. The usual suspects of gadget, xhci, and dwc2/3 are in here, along with some reverts of reported problem changes, and a number of build documentation warning fixes. Full details are in the shortlog. All of these have been in linux-next with no reported issues" * tag 'usb-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (28 commits) Revert "cdc-acm: implement put_char() and flush_chars()" usb: Change usb_of_get_companion_dev() place to usb/common usb: xhci: fix interrupt transfer error happened on MTK platforms usb: cdc-wdm: Fix a sleep-in-atomic-context bug in service_outstanding_interrupt() usb: misc: uss720: Fix two sleep-in-atomic-context bugs usb: host: u132-hcd: Fix a sleep-in-atomic-context bug in u132_get_frame() usb: Avoid use-after-free by flushing endpoints early in usb_set_interface() linux/mod_devicetable.h: fix kernel-doc missing notation for typec_device_id usb/typec: fix kernel-doc notation warning for typec_match_altmode usb: Don't die twice if PCI xhci host is not responding in resume usb: mtu3: fix error of xhci port id when enable U3 dual role usb: uas: add support for more quirk flags USB: Add quirk to support DJI CineSSD usb: typec: fix kernel-doc parameter warning usb/dwc3/gadget: fix kernel-doc parameter warning USB: yurex: Check for truncation in yurex_read() USB: yurex: Fix buffer over-read in yurex_write() usb: host: xhci-plat: Iterate over parent nodes for finding quirks xhci: Fix use after free for URB cancellation on a reallocated endpoint USB: add quirk for WORLDE Controller KS49 or Prodipe MIDI 49C USB controller ... | 14 September 2018, 15:59:48 UTC |
c284cf0 | Linus Torvalds | 14 September 2018, 15:58:12 UTC | Merge tag 'tty-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty fixes from Greg KH: "Here are three small HVC tty driver fixes to resolve a reported regression from 4.19-rc1. All of these have been in linux-next for a while with no reported issues" * tag 'tty-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: tty: hvc: hvc_write() fix break condition tty: hvc: hvc_poll() fix read loop batching tty: hvc: hvc_poll() fix read loop hang | 14 September 2018, 15:58:12 UTC |
45d9ab8 | Linus Torvalds | 14 September 2018, 15:43:43 UTC | Merge tag 'staging-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging Pull staging/IIO driver fixes from Greg KH: "Here are a few small staging and iio driver fixes for -rc4. Nothing major, just a few small bugfixes for some reported issues, and a MAINTAINERS file update for the fbtft drivers. We also re-enable the building of the erofs filesystem as the XArray patches that were causing it to break never got merged in the -rc1 cycle, so there's no reason it can't be turned back on for now. The problem that was previously there is now being handled in the Xarray tree at the moment, so it will not hit us again in the future. All of these patches have been in linux-next with no reported issues" * tag 'staging-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: staging: vboxvideo: Change address of scanout buffer on page-flip staging: vboxvideo: Fix IRQs no longer working staging: gasket: TODO: re-implement using UIO staging/fbtft: Update TODO and mailing lists staging: erofs: rename superblock flags (MS_xyz -> SB_xyz) iio: imu: st_lsm6dsx: take into account ts samples in wm configuration Revert "iio: temperature: maxim_thermocouple: add MAX31856 part" Revert "staging: erofs: disable compiling temporarile" MAINTAINERS: Switch a maintainer for drivers/staging/gasket staging: wilc1000: revert "fix TODO to compile spi and sdio components in single module" | 14 September 2018, 15:43:43 UTC |
319cbac | Linus Torvalds | 14 September 2018, 15:40:13 UTC | Merge tag 'char-misc-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc Pull char/misc driver fixes from Greg KH: "Here are a small handful of char/misc driver fixes for 4.19-rc4. All of them are simple, resolving reported problems in a few drivers. Full details are in the shortlog. All of these have been in linux-next with no reported issues" * tag 'char-misc-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: firmware: Fix security issue with request_firmware_into_buf() vmbus: don't return values for uninitalized channels fpga: dfl: fme: fix return value check in in pr_mgmt_init() misc: hmc6352: fix potential Spectre v1 Tools: hv: Fix a bug in the key delete code misc: ibmvsm: Fix wrong assignment of return code android: binder: fix the race mmap and alloc_new_buf_locked mei: bus: need to unlink client before freeing mei: bus: fix hw module get/put balance mei: fix use-after-free in mei_cl_write mei: ignore not found client in the enumeration | 14 September 2018, 15:40:13 UTC |
61a6bd8 | Joerg Roedel | 14 September 2018, 10:59:14 UTC | Revert "x86/mm/legacy: Populate the user page-table with user pgd's" This reverts commit 1f40a46cf47c12d93a5ad9dccd82bd36ff8f956a. It turned out that this patch is not sufficient to enable PTI on 32 bit systems with legacy 2-level page-tables. In this paging mode the huge-page PTEs are in the top-level page-table directory, where also the mirroring to the user-space page-table happens. So every huge PTE exits twice, in the kernel and in the user page-table. That means that accessed/dirty bits need to be fetched from two PTEs in this mode to be safe, but this is not trivial to implement because it needs changes to generic code just for the sake of enabling PTI with 32-bit legacy paging. As all systems that need PTI should support PAE anyway, remove support for PTI when 32-bit legacy paging is used. Fixes: 7757d607c6b3 ('x86/pti: Allow CONFIG_PAGE_TABLE_ISOLATION for x86_32') Reported-by: Meelis Roos <mroos@linux.ee> Signed-off-by: Joerg Roedel <jroedel@suse.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: hpa@zytor.com Cc: linux-mm@kvack.org Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Andy Lutomirski <luto@kernel.org> Cc: Dave Hansen <dave.hansen@intel.com> Cc: Borislav Petkov <bp@alien8.de> Cc: Andrea Arcangeli <aarcange@redhat.com> Link: https://lkml.kernel.org/r/1536922754-31379-1-git-send-email-joro@8bytes.org | 14 September 2018, 15:08:45 UTC |
58a5756 | Michal Hocko | 04 September 2018, 23:21:39 UTC | xen/gntdev: fix up blockable calls to mn_invl_range_start Patch series "mmu_notifiers follow ups". Tetsuo has noticed some fallouts from 93065ac753e4 ("mm, oom: distinguish blockable mode for mmu notifiers"). One of them has been fixed and picked up by AMD/DRM maintainer [1]. XEN issue is fixed by patch 1. I have also clarified expectations about blockable semantic of invalidate_range_end. Finally the last patch removes MMU_INVALIDATE_DOES_NOT_BLOCK which is no longer used nor needed. [1] http://lkml.kernel.org/r/20180824135257.GU29735@dhcp22.suse.cz This patch (of 3): 93065ac753e4 ("mm, oom: distinguish blockable mode for mmu notifiers") has introduced blockable parameter to all mmu_notifiers and the notifier has to back off when called in !blockable case and it could block down the road. The above commit implemented that for mn_invl_range_start but both in_range checks are done unconditionally regardless of the blockable mode and as such they would fail all the time for regular calls. Fix this by checking blockable parameter as well. Once we are there we can remove the stale TODO. The lock has to be sleepable because we wait for completion down in gnttab_unmap_refs_sync. Link: http://lkml.kernel.org/r/20180827112623.8992-2-mhocko@kernel.org Fixes: 93065ac753e4 ("mm, oom: distinguish blockable mode for mmu notifiers") Signed-off-by: Michal Hocko <mhocko@suse.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Juergen Gross <jgross@suse.com> Cc: David Rientjes <rientjes@google.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> | 14 September 2018, 12:52:30 UTC |
4dca864 | Josh Abraham | 13 September 2018, 01:13:54 UTC | xen: fix GCC warning and remove duplicate EVTCHN_ROW/EVTCHN_COL usage This patch removes duplicate macro useage in events_base.c. It also fixes gcc warning: variable ‘col’ set but not used [-Wunused-but-set-variable] Signed-off-by: Joshua Abraham <j.abraham1776@gmail.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> | 14 September 2018, 12:51:10 UTC |
3366cdb | Olaf Hering | 07 September 2018, 14:31:35 UTC | xen: avoid crash in disable_hotplug_cpu The command 'xl vcpu-set 0 0', issued in dom0, will crash dom0: BUG: unable to handle kernel NULL pointer dereference at 00000000000002d8 PGD 0 P4D 0 Oops: 0000 [#1] PREEMPT SMP NOPTI CPU: 7 PID: 65 Comm: xenwatch Not tainted 4.19.0-rc2-1.ga9462db-default #1 openSUSE Tumbleweed (unreleased) Hardware name: Intel Corporation S5520UR/S5520UR, BIOS S5500.86B.01.00.0050.050620101605 05/06/2010 RIP: e030:device_offline+0x9/0xb0 Code: 77 24 00 e9 ce fe ff ff 48 8b 13 e9 68 ff ff ff 48 8b 13 e9 29 ff ff ff 48 8b 13 e9 ea fe ff ff 90 66 66 66 66 90 41 54 55 53 <f6> 87 d8 02 00 00 01 0f 85 88 00 00 00 48 c7 c2 20 09 60 81 31 f6 RSP: e02b:ffffc90040f27e80 EFLAGS: 00010203 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8801f3800000 RSI: ffffc90040f27e70 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff820e47b3 R09: 0000000000000000 R10: 0000000000007ff0 R11: 0000000000000000 R12: ffffffff822e6d30 R13: dead000000000200 R14: dead000000000100 R15: ffffffff8158b4e0 FS: 00007ffa595158c0(0000) GS:ffff8801f39c0000(0000) knlGS:0000000000000000 CS: e033 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000000002d8 CR3: 00000001d9602000 CR4: 0000000000002660 Call Trace: handle_vcpu_hotplug_event+0xb5/0xc0 xenwatch_thread+0x80/0x140 ? wait_woken+0x80/0x80 kthread+0x112/0x130 ? kthread_create_worker_on_cpu+0x40/0x40 ret_from_fork+0x3a/0x50 This happens because handle_vcpu_hotplug_event is called twice. In the first iteration cpu_present is still true, in the second iteration cpu_present is false which causes get_cpu_device to return NULL. In case of cpu#0, cpu_online is apparently always true. Fix this crash by checking if the cpu can be hotplugged, which is false for a cpu that was just removed. Also check if the cpu was actually offlined by device_remove, otherwise leave the cpu_present state as it is. Rearrange to code to do all work with device_hotplug_lock held. Signed-off-by: Olaf Hering <olaf@aepfle.de> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> | 14 September 2018, 12:51:10 UTC |
197ecb3 | Marek Marczykowski-Górecki | 07 September 2018, 16:49:08 UTC | xen/balloon: add runtime control for scrubbing ballooned out pages Scrubbing pages on initial balloon down can take some time, especially in nested virtualization case (nested EPT is slow). When HVM/PVH guest is started with memory= significantly lower than maxmem=, all the extra pages will be scrubbed before returning to Xen. But since most of them weren't used at all at that point, Xen needs to populate them first (from populate-on-demand pool). In nested virt case (Xen inside KVM) this slows down the guest boot by 15-30s with just 1.5GB needed to be returned to Xen. Add runtime parameter to enable/disable it, to allow initially disabling scrubbing, then enable it back during boot (for example in initramfs). Such usage relies on assumption that a) most pages ballooned out during initial boot weren't used at all, and b) even if they were, very few secrets are in the guest at that time (before any serious userspace kicks in). Convert CONFIG_XEN_SCRUB_PAGES to CONFIG_XEN_SCRUB_PAGES_DEFAULT (also enabled by default), controlling default value for the new runtime switch. Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Reviewed-by: Juergen Gross <jgross@suse.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> | 14 September 2018, 12:51:10 UTC |
87dffe8 | Vitaly Kuznetsov | 06 September 2018, 11:26:08 UTC | xen/manage: don't complain about an empty value in control/sysrq node When guest receives a sysrq request from the host it acknowledges it by writing '\0' to control/sysrq xenstore node. This, however, make xenstore watch fire again but xenbus_scanf() fails to parse empty value with "%c" format string: sysrq: SysRq : Emergency Sync Emergency Sync complete xen:manage: Error -34 reading sysrq code in control/sysrq Ignore -ERANGE the same way we already ignore -ENOENT, empty value in control/sysrq is totally legal. Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com> Reviewed-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> | 14 September 2018, 12:51:10 UTC |
500dd23 | Andrew Murray | 13 September 2018, 12:48:27 UTC | asm-generic: io: Fix ioport_map() for !CONFIG_GENERIC_IOMAP && CONFIG_INDIRECT_PIO The !CONFIG_GENERIC_IOMAP version of ioport_map uses MMIO_UPPER_LIMIT to prevent users from making I/O accesses outside the expected I/O range - however it erroneously treats MMIO_UPPER_LIMIT as a mask which is contradictory to its other users. The introduction of CONFIG_INDIRECT_PIO, which subtracts an arbitrary amount from IO_SPACE_LIMIT to form MMIO_UPPER_LIMIT, results in ioport_map mangling the given port rather than capping it. We address this by aligning more closely with the CONFIG_GENERIC_IOMAP implementation of ioport_map by using the comparison operator and returning NULL where the port exceeds MMIO_UPPER_LIMIT. Though note that we preserve the existing behavior of masking with IO_SPACE_LIMIT such that we don't break existing buggy drivers that somehow rely on this masking. Fixes: 5745392e0c2b ("PCI: Apply the new generic I/O management on PCI IO hosts") Reported-by: Will Deacon <will.deacon@arm.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Murray <andrew.murray@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> | 14 September 2018, 08:49:21 UTC |
a06b0c8 | Linus Torvalds | 14 September 2018, 05:37:08 UTC | Merge tag 'printk-for-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk Pull printk fix from Petr Mladek: "Revert a commit that caused "quiet", "debug", and "loglevel" early parameters to be ignored for early boot messages" * tag 'printk-for-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/pmladek/printk: Revert "printk: make sure to print log on console." | 14 September 2018, 05:37:08 UTC |
48751b5 | Linus Torvalds | 14 September 2018, 05:21:40 UTC | Merge tag 'ovl-fixes-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs Pull overlayfs fixes from Miklos Szeredi: "This fixes a regression in the recent file stacking update, reported and fixed by Amir Goldstein. The fix is fairly trivial, but involves adding a fadvise() f_op and the associated churn in the vfs. As discussed on -fsdevel, there are other possible uses for this method, than allowing proper stacking for overlays. And there's one other fix for a syzkaller detected oops" * tag 'ovl-fixes-4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs: ovl: fix oopses in ovl_fill_super() failure paths ovl: add ovl_fadvise() vfs: implement readahead(2) using POSIX_FADV_WILLNEED vfs: add the fadvise() file operation Documentation/filesystems: update documentation of file_operations ovl: fix GPF in swapfile_activate of file from overlayfs over xfs ovl: respect FIEMAP_FLAG_SYNC flag | 14 September 2018, 05:21:40 UTC |
4d8d9f5 | Linus Torvalds | 14 September 2018, 05:16:11 UTC | Merge tag 'for-linus-20180913' of git://git.kernel.dk/linux-block Pull block fixes from Jens Axboe: "Three fixes that should go into this series. This contains: - Increase number of policies supported by blk-cgroup. With blk-iolatency, we now have four in kernel, but we had a hard limit of three... - Fix regression in null_blk, where the zoned supported broke queue_mode=0 (bio based). - NVMe pull request, with a single fix for an issue in the rdma code" * tag 'for-linus-20180913' of git://git.kernel.dk/linux-block: null_blk: fix zoned support for non-rq based operation blk-cgroup: increase number of supported policies nvmet-rdma: fix possible bogus dereference under heavy load | 14 September 2018, 05:16:11 UTC |
a0efc03 | Linus Torvalds | 14 September 2018, 05:12:55 UTC | Merge tag 'for-4.19/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device mapper fixes from Mike Snitzer: - DM verity fix for crash due to using vmalloc'd buffers with the asynchronous crypto hadsh API. - Fix to both DM crypt and DM integrity targets to discontinue using CRYPTO_TFM_REQ_MAY_SLEEP because its use of GFP_KERNEL can lead to deadlock by recursing back into a filesystem. - Various DM raid fixes related to reshape and rebuild races. - Fix for DM thin-provisioning to avoid data corruption that was a side-effect of needing to abort DM thin metadata transaction due to running out of metadata space. Fix is to reserve a small amount of metadata space so that once it is used the DM thin-pool can finish its active transaction before switching to read-only mode. * tag 'for-4.19/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm thin metadata: try to avoid ever aborting transactions dm raid: bump target version, update comments and documentation dm raid: fix RAID leg rebuild errors dm raid: fix rebuild of specific devices by updating superblock dm raid: fix stripe adding reshape deadlock dm raid: fix reshape race on small devices dm: disable CRYPTO_TFM_REQ_MAY_SLEEP to fix a GFP_KERNEL recursion deadlock dm verity: fix crash on bufio buffer that was allocated with vmalloc | 14 September 2018, 05:12:55 UTC |
0f9aeea | Linus Torvalds | 14 September 2018, 04:54:47 UTC | Merge tag 'drm-fixes-2018-09-14' of git://anongit.freedesktop.org/drm/drm Pull drm fixes from Dave Airlie: "This is the general drm fixes pull for rc4. i915: - Two GVT fixes (one for the mm reference issue you pointed out) - Gen 2 video playback fix - IPS timeout error suppression on Broadwell amdgpu: - Small memory leak - SR-IOV reset - locking fix - updated SDMA golden registers nouveau: - Remove some leftover debugging" * tag 'drm-fixes-2018-09-14' of git://anongit.freedesktop.org/drm/drm: drm/nouveau/devinit: fix warning when PMU/PRE_OS is missing drm/amdgpu: fix error handling in amdgpu_cs_user_fence_chunk drm/i915/overlay: Allocate physical registers from stolen drm/amdgpu: move PSP init prior to IH in gpu reset drm/amdgpu: Fix SDMA hang in prt mode v2 drm/amdgpu: fix amdgpu_mn_unlock() in the CS error path drm/i915/bdw: Increase IPS disable timeout to 100ms drm/i915/gvt: Fix the incorrect length of child_device_config issue drm/i915/gvt: Fix life cycle reference on KVM mm | 14 September 2018, 04:54:47 UTC |
145ea6f | Linus Torvalds | 14 September 2018, 04:52:41 UTC | Merge tag 'pstore-v4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux Pull pstore fix from Kees Cook: "This fixes a 6 year old pstore bug that everyone just got lucky in avoiding, likely due only using page-aligned persistent ram regions: - Handle page-vs-byte offset handling between iomap and vmap (Bin Yang)" * tag 'pstore-v4.19-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux: pstore: Fix incorrect persistent ram buffer mapping | 14 September 2018, 04:52:41 UTC |
4624d6e | Linus Torvalds | 14 September 2018, 04:49:23 UTC | Merge tag 'mmc-v4.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc Pull MMC host fixes from Ulf Hansson: - meson-mx-sdio: Fix OF child-node lookup - omap_hsmmc: Fix wakeirq handling on removal * tag 'mmc-v4.19-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: mmc: meson-mx-sdio: fix OF child-node lookup mmc: omap_hsmmc: fix wakeirq handling on removal | 14 September 2018, 04:49:23 UTC |
bd5bca1 | Linus Torvalds | 14 September 2018, 04:47:45 UTC | Merge tag 'pinctrl-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl Pull pin control fixes from Linus Walleij: - A complicated IRQ fix for the MSM driver (see commit) - Fix the group/function check in the Ingenic driver - Deal with a possible NULL pointer dereference in the Madera driver * tag 'pinctrl-v4.19-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: pinctrl: madera: Fix possible NULL pointer with pdata config pinctrl: ingenic: Fix group & function error checking pinctrl: msm: Really mask level interrupts to prevent latching | 14 September 2018, 04:47:45 UTC |
f1c03a4 | Linus Torvalds | 14 September 2018, 02:35:25 UTC | Merge branch 'for-4.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu Pull percpu maintainership update from Tejun Heo: "This updates the MAINTAINERS file to transfer the percpu tree maintainership to Dennis Zhou. Dennis rewrote a good portion of the percpu allocator, knows most of percpu related code, is already listed as a co-maintainer, has been reliable, and now sits right behind me. I'll keep reviewing and involved with percpu stuff and am sure that Dennis will soon make a better maintainer than I ever was" * 'for-4.19-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: MAINTAINERS: Make Dennis the percpu tree maintainer | 14 September 2018, 02:35:25 UTC |
72d4c6e | Linus Torvalds | 14 September 2018, 02:33:26 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel Pull hexagon fixes from Richard Kuo: "Some fixes for compile warnings" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rkuo/linux-hexagon-kernel: hexagon: modify ffs() and fls() to return int arch/hexagon: fix kernel/dma.c build warning | 14 September 2018, 02:33:26 UTC |
1d17658 | Linus Torvalds | 14 September 2018, 02:22:24 UTC | Merge tag 's390-4.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux Pull s390 fixes from Martin Schwidefsky: - One fix for the zcrypt driver to correctly handle incomplete encryption/decryption operations. - A cleanup for the aqmask/apmask parsing to avoid variable length arrays on the stack. * tag 's390-4.19-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: s390/zcrypt: remove VLA usage from the AP bus s390/crypto: Fix return code checking in cbc_paes_crypt() | 14 September 2018, 02:22:24 UTC |
7a9cdeb | Linus Torvalds | 13 September 2018, 09:57:48 UTC | mm: get rid of vmacache_flush_all() entirely Jann Horn points out that the vmacache_flush_all() function is not only potentially expensive, it's buggy too. It also happens to be entirely unnecessary, because the sequence number overflow case can be avoided by simply making the sequence number be 64-bit. That doesn't even grow the data structures in question, because the other adjacent fields are already 64-bit. So simplify the whole thing by just making the sequence number overflow case go away entirely, which gets rid of all the complications and makes the code faster too. Win-win. [ Oleg Nesterov points out that the VMACACHE_FULL_FLUSHES statistics also just goes away entirely with this ] Reported-by: Jann Horn <jannh@google.com> Suggested-by: Will Deacon <will.deacon@arm.com> Acked-by: Davidlohr Bueso <dave@stgolabs.net> Cc: Oleg Nesterov <oleg@redhat.com> Cc: stable@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 14 September 2018, 01:18:04 UTC |
2b6318a | Dave Airlie | 13 September 2018, 23:38:35 UTC | Merge branch 'linux-4.19' of git://github.com/skeggsb/linux into drm-fixes One more nouveau fix to remove some debug warnings. Signed-off-by: Dave Airlie <airlied@redhat.com> From: Ben Skeggs <bskeggs@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/CABDvA==GF63dy8a9j611=-0x8G6FRu7uC-ZQypsLO_hqV4OAcA@mail.gmail.com | 13 September 2018, 23:38:42 UTC |
25824ca | Dave Airlie | 13 September 2018, 23:35:55 UTC | Merge branch 'drm-fixes-4.19' of git://people.freedesktop.org/~agd5f/linux into drm-fixes A few fixes for 4.19: - Fix a small memory leak - SR-IOV reset fix - Fix locking in MMU-notifier error path - Updated SDMA golden settings to fix a PRT hang Signed-off-by: Dave Airlie <airlied@redhat.com> From: Alex Deucher <alexdeucher@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180912154735.2683-1-alexander.deucher@amd.com | 13 September 2018, 23:36:35 UTC |
db7f06d | Dave Airlie | 13 September 2018, 23:33:05 UTC | Merge tag 'drm-intel-fixes-2018-09-11' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes This contains a regression fix for video playbacks on gen 2 hardware, a IPS timeout error suppression on Broadwell and GVT bucked with "Most critical one is to fix KVM's mm reference when we access guest memory, issue was raised by Linus [1], and another one with virtual opregion fix." [1] - https://lists.freedesktop.org/archives/intel-gvt-dev/2018-August/004130.html Signed-off-by: Dave Airlie <airlied@redhat.com> From: Rodrigo Vivi <rodrigo.vivi@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180911223229.GA30328@intel.com | 13 September 2018, 23:33:16 UTC |
1194c41 | Tejun Heo | 13 September 2018, 19:16:36 UTC | MAINTAINERS: Make Dennis the percpu tree maintainer Dennis rewrote a significant portion of the percpu allocator and has shown that he can respond in a timely and helpful manner when issues are reported against percpu allocator. Let's make Dennis the percpu tree maintainer. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Dennis Zhou <dennis@kernel.org> Cc: Christoph Lameter <cl@linux.com> | 13 September 2018, 19:16:36 UTC |
831b624 | Bin Yang | 12 September 2018, 03:36:34 UTC | pstore: Fix incorrect persistent ram buffer mapping persistent_ram_vmap() returns the page start vaddr. persistent_ram_iomap() supports non-page-aligned mapping. persistent_ram_buffer_map() always adds offset-in-page to the vaddr returned from these two functions, which causes incorrect mapping of non-page-aligned persistent ram buffer. By default ftrace_size is 4096 and max_ftrace_cnt is nr_cpu_ids. Without this patch, the zone_sz in ramoops_init_przs() is 4096/nr_cpu_ids which might not be page aligned. If the offset-in-page > 2048, the vaddr will be in next page. If the next page is not mapped, it will cause kernel panic: [ 0.074231] BUG: unable to handle kernel paging request at ffffa19e0081b000 ... [ 0.075000] RIP: 0010:persistent_ram_new+0x1f8/0x39f ... [ 0.075000] Call Trace: [ 0.075000] ramoops_init_przs.part.10.constprop.15+0x105/0x260 [ 0.075000] ramoops_probe+0x232/0x3a0 [ 0.075000] platform_drv_probe+0x3e/0xa0 [ 0.075000] driver_probe_device+0x2cd/0x400 [ 0.075000] __driver_attach+0xe4/0x110 [ 0.075000] ? driver_probe_device+0x400/0x400 [ 0.075000] bus_for_each_dev+0x70/0xa0 [ 0.075000] driver_attach+0x1e/0x20 [ 0.075000] bus_add_driver+0x159/0x230 [ 0.075000] ? do_early_param+0x95/0x95 [ 0.075000] driver_register+0x70/0xc0 [ 0.075000] ? init_pstore_fs+0x4d/0x4d [ 0.075000] __platform_driver_register+0x36/0x40 [ 0.075000] ramoops_init+0x12f/0x131 [ 0.075000] do_one_initcall+0x4d/0x12c [ 0.075000] ? do_early_param+0x95/0x95 [ 0.075000] kernel_init_freeable+0x19b/0x222 [ 0.075000] ? rest_init+0xbb/0xbb [ 0.075000] kernel_init+0xe/0xfc [ 0.075000] ret_from_fork+0x3a/0x50 Signed-off-by: Bin Yang <bin.yang@intel.com> [kees: add comments describing the mapping differences, updated commit log] Fixes: 24c3d2f342ed ("staging: android: persistent_ram: Make it possible to use memory outside of bootmem") Cc: stable@vger.kernel.org Signed-off-by: Kees Cook <keescook@chromium.org> | 13 September 2018, 16:14:57 UTC |
54eda9d | Linus Torvalds | 13 September 2018, 05:39:56 UTC | Merge tag 'pci-v4.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull PCI fixes from Bjorn Helgaas: - Add Tyrel Datwyler as maintainer for PPC64 RPA hotplug (Tyrel Datwyler) - Add Gustavo Pimentel as DesignWare PCI maintainer (Joao Pinto) - Fix a Switchtec Spectre v1 vulnerability (Gustavo A. R. Silva) - Revert an unnecessary Intel 300 ACS quirk (Mika Westerberg) - Fix pciehp hot-add/powerfault detection that left indicators in wrong state (Keith Busch) - Fix pci_reset_bus() logic error (Dennis Dalessandro) - Revert IB/hfi1 PCI reset change that caused a deadlock (Dennis Dalessandro) - Allow enabling PASID on Root Complex Integrated Endpoints (Felix Kuehling) * tag 'pci-v4.19-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: Fix enabling of PASID on RC integrated endpoints IB/hfi1,PCI: Allow bus reset while probing PCI: Fix faulty logic in pci_reset_bus() PCI: pciehp: Fix hot-add vs powerfault detection order switchtec: Fix Spectre v1 vulnerability Revert "PCI: Add ACS quirk for Intel 300 series" MAINTAINERS: Add Gustavo Pimentel as DesignWare PCI maintainer MAINTAINERS: Add entries for PPC64 RPA PCI hotplug drivers | 13 September 2018, 05:39:56 UTC |
d3bd597 | Linus Torvalds | 13 September 2018, 05:33:56 UTC | Merge tag 'for-linus-4.19' of git://github.com/cminyard/linux-ipmi Pull IPMI bugfixes from Corey Minyard: "A few fixes that came around or after the merge window, except for commit cd2315d471f4 ("ipmi: kcs_bmc: don't change device name") which is for a driver that very few people use, and those people need the change" * tag 'for-linus-4.19' of git://github.com/cminyard/linux-ipmi: ipmi: Fix NULL pointer dereference in ssif_probe ipmi: Fix I2C client removal in the SSIF driver ipmi: Move BT capabilities detection to the detect call ipmi: Rework SMI registration failure ipmi: kcs_bmc: don't change device name | 13 September 2018, 05:33:56 UTC |
7428b2e | Linus Torvalds | 13 September 2018, 03:36:47 UTC | Merge tag 'drm-fixes-2018-09-12' of git://anongit.freedesktop.org/drm/drm Pull drm nouveau fixes from Dave Airlie: "I'm sending this separately as it's a bit larger than I generally like for one driver, but it does contain a bunch of make my nvidia laptop not die (runpm) and a bunch to make my docking station and monitor display stuff (mst) fixes. Lyude has spent a lot of time on these, and we are putting the fixes into distro kernels as well asap, as it helps a bunch of standard Lenovo laptops, so I'm fairly happy things are better than they were before these patches, but I decided to split them out just for clarification" * tag 'drm-fixes-2018-09-12' of git://anongit.freedesktop.org/drm/drm: drm/nouveau/disp/gm200-: enforce identity-mapped SOR assignment for LVDS/eDP panels drm/nouveau/disp: fix DP disable race drm/nouveau/disp: move eDP panel power handling drm/nouveau/disp: remove unused struct member drm/nouveau/TBDdevinit: don't fail when PMU/PRE_OS is missing from VBIOS drm/nouveau/mmu: don't attempt to dereference vmm without valid instance pointer drm/nouveau: fix oops in client init failure path drm/nouveau: Fix nouveau_connector_ddc_detect() drm/nouveau/drm/nouveau: Don't forget to cancel hpd_work on suspend/unload drm/nouveau/drm/nouveau: Prevent handling ACPI HPD events too early drm/nouveau: Reset MST branching unit before enabling drm/nouveau: Only write DP_MSTM_CTRL when needed drm/nouveau: Remove useless poll_enable() call in drm_load() drm/nouveau: Remove useless poll_disable() call in switcheroo_set_state() drm/nouveau: Remove useless poll_enable() call in switcheroo_set_state() drm/nouveau: Fix deadlocks in nouveau_connector_detect() drm/nouveau/drm/nouveau: Use pm_runtime_get_noresume() in connector_detect() drm/nouveau/drm/nouveau: Fix deadlock with fb_helper with async RPM requests drm/nouveau: Remove duplicate poll_enable() in pmops_runtime_suspend() drm/nouveau/drm/nouveau: Fix bogus drm_kms_helper_poll_enable() placement | 13 September 2018, 03:36:47 UTC |
67b0760 | Linus Torvalds | 13 September 2018, 03:32:50 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net Pull networking fixes from David Miller: 1) Fix up several Kconfig dependencies in netfilter, from Martin Willi and Florian Westphal. 2) Memory leak in be2net driver, from Petr Oros. 3) Memory leak in E-Switch handling of mlx5 driver, from Raed Salem. 4) mlx5_attach_interface needs to check for errors, from Huy Nguyen. 5) tipc_release() needs to orphan the sock, from Cong Wang. 6) Need to program TxConfig register after TX/RX is enabled in r8169 driver, not beforehand, from Maciej S. Szmigiero. 7) Handle 64K PAGE_SIZE properly in ena driver, from Netanel Belgazal. 8) Fix crash regression in ip_do_fragment(), from Taehee Yoo. 9) syzbot can create conditions where kernel log is flooded with synflood warnings due to creation of many listening sockets, fix that. From Willem de Bruijn. 10) Fix RCU issues in rds socket layer, from Cong Wang. 11) Fix vlan matching in nfp driver, from Pieter Jansen van Vuuren. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (59 commits) nfp: flower: reject tunnel encap with ipv6 outer headers for offloading nfp: flower: fix vlan match by checking both vlan id and vlan pcp tipc: check return value of __tipc_dump_start() s390/qeth: don't dump past end of unknown HW header s390/qeth: use vzalloc for QUERY OAT buffer s390/qeth: switch on SG by default for IQD devices s390/qeth: indicate error when netdev allocation fails rds: fix two RCU related problems r8169: Clear RTL_FLAG_TASK_*_PENDING when clearing RTL_FLAG_TASK_ENABLED erspan: fix error handling for erspan tunnel erspan: return PACKET_REJECT when the appropriate tunnel is not found tcp: rate limit synflood warnings further MIPS: lantiq: dma: add dev pointer netfilter: xt_hashlimit: use s->file instead of s->private netfilter: nfnetlink_queue: Solve the NFQUEUE/conntrack clash for NF_REPEAT netfilter: cttimeout: ctnl_timeout_find_get() returns incorrect pointer to type netfilter: conntrack: timeout interface depend on CONFIG_NF_CONNTRACK_TIMEOUT netfilter: conntrack: reset tcp maxwin on re-register qmi_wwan: Support dynamic config on Quectel EP06 ethernet: renesas: convert to SPDX identifiers ... | 13 September 2018, 03:32:50 UTC |
3483f08 | Ben Skeggs | 13 September 2018, 00:56:38 UTC | drm/nouveau/devinit: fix warning when PMU/PRE_OS is missing Messed up when sending pull request and sent an outdated version of previous patch, this fixes it up to remove warnings. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 13 September 2018, 00:56:58 UTC |
b228ba1 | Jens Axboe | 13 September 2018, 00:21:11 UTC | null_blk: fix zoned support for non-rq based operation The supported added for zones in null_blk seem to assume that only rq based operation is possible. But this depends on the queue_mode setting, if this is set to 0, then cmd->bio is what we need to be operating on. Right now any attempt to load null_blk with queue_mode=0 will insta-crash, since cmd->rq is NULL and null_handle_cmd() assumes it to always be set. Make the zoned code deal with bio's instead, or pass in the appropriate sector/nr_sectors instead. Fixes: ca4b2a011948 ("null_blk: add zone support") Tested-by: Omar Sandoval <osandov@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk> | 13 September 2018, 00:21:11 UTC |
097f586 | Dan Carpenter | 06 September 2018, 09:47:01 UTC | cifs: read overflow in is_valid_oplock_break() We need to verify that the "data_offset" is within bounds. Reported-by: Dr Silvio Cesare of InfoSect <silvio.cesare@gmail.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> | 12 September 2018, 22:13:34 UTC |
4851bfd | David S. Miller | 12 September 2018, 20:18:30 UTC | Merge branch 'nfp-flower-fixes' Jakub Kicinski says: ==================== nfp: flower: fixes for flower offload Two fixes for flower matching and tunnel encap. Pieter fixes VLAN matching if the entire VLAN id is masked out and match is only performed on the PCP field. Louis adds validation of tunnel flags for encap, most importantly we should not offload actions on IPv6 tunnels if it's not supported. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:18:30 UTC |
224de54 | Louis Peens | 11 September 2018, 13:38:45 UTC | nfp: flower: reject tunnel encap with ipv6 outer headers for offloading This fixes a bug where ipv6 tunnels would report that it is getting offloaded to hardware but would actually be rejected by hardware. Fixes: b27d6a95a70d ("nfp: compile flower vxlan tunnel set actions") Signed-off-by: Louis Peens <louis.peens@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Reviewed-by: Simon Horman <simon.horman@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:18:30 UTC |
db191db | Pieter Jansen van Vuuren | 11 September 2018, 13:38:44 UTC | nfp: flower: fix vlan match by checking both vlan id and vlan pcp Previously we only checked if the vlan id field is present when trying to match a vlan tag. The vlan id and vlan pcp field should be treated independently. Fixes: 5571e8c9f241 ("nfp: extend flower matching capabilities") Signed-off-by: Pieter Jansen van Vuuren <pieter.jansenvanvuuren@netronome.com> Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:18:30 UTC |
12a78b0 | Cong Wang | 11 September 2018, 22:12:17 UTC | tipc: check return value of __tipc_dump_start() When __tipc_dump_start() fails with running out of memory, we have no reason to continue, especially we should avoid calling tipc_dump_done(). Fixes: 8f5c5fcf3533 ("tipc: call start and done ops directly in __tipc_nl_compat_dumpit()") Reported-and-tested-by: syzbot+3f8324abccfbf8c74a9f@syzkaller.appspotmail.com Cc: Jon Maloy <jon.maloy@ericsson.com> Cc: Ying Xue <ying.xue@windriver.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:15:04 UTC |
6b4d24d | David S. Miller | 12 September 2018, 20:12:52 UTC | Merge branch 'qeth-fixes' Julian Wiedmann says: ==================== s390/qeth: fixes 2018-09-12 please apply the following qeth fixes for -net. Patch 1 resolves a regression in an error path, while patch 2 enables the SG support by default that was newly introduced with 4.19. Patch 3 takes care of a longstanding problem with large-order allocations, and patch 4 fixes a potential out-of-bounds access. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:12:52 UTC |
0ac1487 | Julian Wiedmann | 12 September 2018, 13:31:35 UTC | s390/qeth: don't dump past end of unknown HW header For inbound data with an unsupported HW header format, only dump the actual HW header. We have no idea how much payload follows it, and what it contains. Worst case, we dump past the end of the Inbound Buffer and access whatever is located next in memory. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:12:51 UTC |
aec45e8 | Wenjia Zhang | 12 September 2018, 13:31:34 UTC | s390/qeth: use vzalloc for QUERY OAT buffer qeth_query_oat_command() currently allocates the kernel buffer for the SIOC_QETH_QUERY_OAT ioctl with kzalloc. So on systems with fragmented memory, large allocations may fail (eg. the qethqoat tool by default uses 132KB). Solve this issue by using vzalloc, backing the allocation with non-contiguous memory. Signed-off-by: Wenjia Zhang <wenjia@linux.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:12:51 UTC |
04db741 | Julian Wiedmann | 12 September 2018, 13:31:33 UTC | s390/qeth: switch on SG by default for IQD devices Scatter-gather transmit brings a nice performance boost. Considering the rather large MTU sizes at play, it's also totally the Right Thing To Do. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:12:51 UTC |
778b1ac | Julian Wiedmann | 12 September 2018, 13:31:32 UTC | s390/qeth: indicate error when netdev allocation fails Bailing out on allocation error is nice, but we also need to tell the ccwgroup core that creating the qeth groupdev failed. Fixes: d3d1b205e89f ("s390/qeth: allocate netdevice early") Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 20:12:51 UTC |
cf40361 | Guenter Roeck | 11 September 2018, 18:18:12 UTC | x86/efi: Load fixmap GDT in efi_call_phys_epilog() before setting %cr3 Commit eeb89e2bb1ac ("x86/efi: Load fixmap GDT in efi_call_phys_epilog()") moved loading the fixmap in efi_call_phys_epilog() after load_cr3() since it was assumed to be more logical. Turns out this is incorrect: In efi_call_phys_prolog(), the gdt with its physical address is loaded first, and when the %cr3 is reloaded in _epilog from initial_page_table to swapper_pg_dir again the gdt is no longer mapped. This results in a triple fault if an interrupt occurs after load_cr3() and before load_fixmap_gdt(0). Calling load_fixmap_gdt(0) first restores the execution order prior to commit eeb89e2bb1ac and fixes the problem. Fixes: eeb89e2bb1ac ("x86/efi: Load fixmap GDT in efi_call_phys_epilog()") Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: linux-efi@vger.kernel.org Cc: Andy Lutomirski <luto@amacapital.net> Cc: Joerg Roedel <jroedel@suse.de> Link: https://lkml.kernel.org/r/1536689892-21538-1-git-send-email-linux@roeck-us.net | 12 September 2018, 19:53:34 UTC |
9996967 | Juergen Gross | 12 September 2018, 17:41:22 UTC | x86/xen: Disable CPU0 hotplug for Xen PV Xen PV guests don't allow CPU0 hotplug, so disable it. Signed-off-by: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: boris.ostrovsky@oracle.com Cc: xen-devel@lists.xenproject.org Link: http://lkml.kernel.org/r/20180912174122.24282-1-jgross@suse.com Signed-off-by: Ingo Molnar <mingo@kernel.org> | 12 September 2018, 19:15:02 UTC |
cb48b6a | Ingo Molnar | 12 September 2018, 19:10:05 UTC | Merge tag 'perf-urgent-for-mingo-4.19-20180912' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent Pull perf/urgent fixes from Arnaldo Carvalho de Melo: - Fix finding a symbol by name when multiple maps use the same backing DSO, so we must first see if that symbol name is in the DSO, then see if it is inside the range of addresses for that specific map (Adrian Hunter) - Update the tools copies of UAPI headers, which silences the warnings emitted when building the tools and in some cases, like for the new KVM ioctls, results in 'perf trace' being able to translate that ioctl number to a string (Arnaldo Carvalho de Melo) Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> | 12 September 2018, 19:10:05 UTC |
b1f4ff7 | Paulo Zanoni | 10 September 2018, 17:59:56 UTC | tracing/Makefile: Fix handling redefinition of CC_FLAGS_FTRACE As a Kernel developer, I make heavy use of "make targz-pkg" in order to locally compile and remotely install my development Kernels. The nice feature I rely on is that after a normal "make", "make targz-pkg" only generates the tarball without having to recompile everything. That was true until commit f28bc3c32c05 ("tracing: Handle CC_FLAGS_FTRACE more accurately"). After it, running "make targz-pkg" after "make" will recompile the whole Kernel tree, making my development workflow much slower. The Kernel is choosing to recompile everything because it claims the command line has changed. A diff of the .cmd files show a repeated -mfentry in one of the files. That is because "make targz-pkg" calls "make modules_install" and the environment is already populated with the exported variables, CC_FLAGS_FTRACE being one of them. Then, -mfentry gets duplicated because it is not protected behind an ifndef block, like -pg. To complicate the problem a little bit more, architectures can define their own version CC_FLAGS_FTRACE, so our code not only has to consider recursive Makefiles, but also architecture overrides. So in this patch we move CC_FLAGS_FTRACE up and unconditionally define it to -pg. Then we let the architecture Makefiles possibly override it, and finally append the extra options later. This ensures the variable is always fully redefined at each invocation so recursive Makefiles don't keep appending, and hopefully it maintains the intended behavior on how architectures can override the defaults.. Thanks Steven Rostedt and Vasily Gorbik for the help on this regression. Cc: Michal Marek <michal.lkml@markovi.net> Cc: Ingo Molnar <mingo@redhat.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com> Cc: linux-kbuild@vger.kernel.org Fixes: commit f28bc3c32c05 ("tracing: Handle CC_FLAGS_FTRACE more accurately") Acked-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org> | 12 September 2018, 18:32:18 UTC |
96eddb8 | Linus Torvalds | 12 September 2018, 16:51:27 UTC | Merge tag 'riscv-for-linus-4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux Pull RISC-V fix from Palmer Dabbelt: "This contains what I hope to be the last RISC-V patch for 4.19. It fixes a bug in our initramfs support by removing some broken and obselete code" * tag 'riscv-for-linus-4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/palmer/riscv-linux: riscv: Do not overwrite initrd_start and initrd_end | 12 September 2018, 16:51:27 UTC |
aeb5427 | Linus Torvalds | 12 September 2018, 16:44:03 UTC | Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI fixes from James Bottomley: "Three fixes, all in drivers (qedi and iscsi target) so no wider impact even if the code changes are a bit extensive" * tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: scsi: qedi: Add the CRC size within iSCSI NVM image scsi: iscsi: target: Fix conn_ops double free scsi: iscsi: target: Set conn->sess to NULL when iscsi_login_set_conn_values fails | 12 September 2018, 16:44:03 UTC |
2d204ee | Dan Carpenter | 10 September 2018, 11:12:07 UTC | cifs: integer overflow in in SMB2_ioctl() The "le32_to_cpu(rsp->OutputOffset) + *plen" addition can overflow and wrap around to a smaller value which looks like it would lead to an information leak. Fixes: 4a72dafa19ba ("SMB2 FSCTL and IOCTL worker function") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> CC: Stable <stable@vger.kernel.org> | 12 September 2018, 14:32:07 UTC |
56446f2 | Dan Carpenter | 06 September 2018, 09:48:22 UTC | CIFS: fix wrapping bugs in num_entries() The problem is that "entryptr + next_offset" and "entryptr + len + size" can wrap. I ended up changing the type of "entryptr" because it makes the math easier when we don't have to do so much casting. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Steve French <stfrench@microsoft.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com> CC: Stable <stable@vger.kernel.org> | 12 September 2018, 14:32:07 UTC |
8ad8aa3 | Dan Carpenter | 06 September 2018, 09:47:51 UTC | cifs: prevent integer overflow in nxt_dir_entry() The "old_entry + le32_to_cpu(pDirInfo->NextEntryOffset)" can wrap around so I have added a check for integer overflow. Reported-by: Dr Silvio Cesare of InfoSect <silvio.cesare@gmail.com> Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com> Reviewed-by: Aurelien Aptel <aaptel@suse.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Steve French <stfrench@microsoft.com> CC: Stable <stable@vger.kernel.org> | 12 September 2018, 14:27:57 UTC |
fa108f9 | Martin Schwidefsky | 05 September 2018, 05:45:11 UTC | s390/zcrypt: remove VLA usage from the AP bus The use of variable length arrays on the stack is deprecated. git commit 3d8f60d38e249f989a7fca9c2370c31c3d5487e1 "s390/zcrypt: hex string mask improvements for apmask and aqmask." added three new VLA arrays. Remove them again. Reviewed-by: Harald Freudenberger <freude@linux.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 12 September 2018, 09:33:37 UTC |
422b3db | Rishabh Bhatnagar | 31 August 2018, 15:43:31 UTC | firmware: Fix security issue with request_firmware_into_buf() When calling request_firmware_into_buf() with the FW_OPT_NOCACHE flag it is expected that firmware is loaded into buffer from memory. But inside alloc_lookup_fw_priv every new firmware that is loaded is added to the firmware cache (fwc) list head. So if any driver requests a firmware that is already loaded the code iterates over the above mentioned list and it can end up giving a pointer to other device driver's firmware buffer. Also the existing copy may either be modified by drivers, remote processors or even freed. This causes a potential security issue with batched requests when using request_firmware_into_buf. Fix alloc_lookup_fw_priv to not add to the fwc head list if FW_OPT_NOCACHE is set, and also don't do the lookup in the list. Fixes: 0e742e9275 ("firmware: provide infrastructure to make fw caching optional") [mcgrof: broken since feature introduction on v4.8] Cc: stable@vger.kernel.org # v4.8+ Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org> Signed-off-by: Rishabh Bhatnagar <rishabhb@codeaurora.org> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:31:00 UTC |
6712cc9 | Stephen Hemminger | 20 August 2018, 21:16:40 UTC | vmbus: don't return values for uninitalized channels For unsupported device types, the vmbus channel ringbuffer is never initialized, and therefore reading the sysfs files will return garbage or cause a kernel OOPS. Fixes: c2e5df616e1a ("vmbus: add per-channel sysfs info") Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Cc: <stable@vger.kernel.org> # 4.15 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:31:00 UTC |
029d727 | Wei Yongjun | 16 August 2018, 19:42:13 UTC | fpga: dfl: fme: fix return value check in in pr_mgmt_init() In case of error, the function dfl_fme_create_region() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 29de76240e86 ("fpga: dfl: fme: add partial reconfiguration sub feature support") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Moritz Fischer <mdf@kernel.org> Acked-by: Alan Tull <atull@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:31:00 UTC |
de91673 | Gustavo A. R. Silva | 15 August 2018, 15:50:41 UTC | misc: hmc6352: fix potential Spectre v1 val is indirectly controlled by user-space, hence leading to a potential exploitation of the Spectre variant 1 vulnerability. This issue was detected with the help of Smatch: drivers/misc/hmc6352.c:54 compass_store() warn: potential spectre issue 'map' [r] Fix this by sanitizing val before using it to index map Notice that given that speculation windows are large, the policy is to kill the speculation on the first load and not worry if it can be completed with a dependent load/store [1]. [1] https://marc.info/?l=linux-kernel&m=152449131114778&w=2 Cc: stable@vger.kernel.org Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:31:00 UTC |
86503bd | K. Y. Srinivasan | 10 August 2018, 23:06:07 UTC | Tools: hv: Fix a bug in the key delete code Fix a bug in the key delete code - the num_records range from 0 to num_records-1. Signed-off-by: K. Y. Srinivasan <kys@microsoft.com> Reported-by: David Binderman <dcb314@hotmail.com> Cc: <stable@vger.kernel.org> Reviewed-by: Michael Kelley <mikelley@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:31:00 UTC |
c55e931 | Bryant G. Ly | 06 August 2018, 13:31:00 UTC | misc: ibmvsm: Fix wrong assignment of return code Currently the assignment is flipped and rc is always 0. Signed-off-by: Bryant G. Ly <bryantly@linux.ibm.com> Fixes: 0eca353e7ae7 ("misc: IBM Virtual Management Channel Driver (VMC)") Reviewed-by: Bradley Warrum <bwarrum@us.ibm.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:31:00 UTC |
da1b956 | Minchan Kim | 23 August 2018, 05:29:56 UTC | android: binder: fix the race mmap and alloc_new_buf_locked There is RaceFuzzer report like below because we have no lock to close below the race between binder_mmap and binder_alloc_new_buf_locked. To close the race, let's use memory barrier so that if someone see alloc->vma is not NULL, alloc->vma_vm_mm should be never NULL. (I didn't add stable mark intentionallybecause standard android userspace libraries that interact with binder (libbinder & libhwbinder) prevent the mmap/ioctl race. - from Todd) " Thread interleaving: CPU0 (binder_alloc_mmap_handler) CPU1 (binder_alloc_new_buf_locked) ===== ===== // drivers/android/binder_alloc.c // #L718 (v4.18-rc3) alloc->vma = vma; // drivers/android/binder_alloc.c // #L346 (v4.18-rc3) if (alloc->vma == NULL) { ... // alloc->vma is not NULL at this point return ERR_PTR(-ESRCH); } ... // #L438 binder_update_page_range(alloc, 0, (void *)PAGE_ALIGN((uintptr_t)buffer->data), end_page_addr); // In binder_update_page_range() #L218 // But still alloc->vma_vm_mm is NULL here if (need_mm && mmget_not_zero(alloc->vma_vm_mm)) alloc->vma_vm_mm = vma->vm_mm; Crash Log: ================================================================== BUG: KASAN: null-ptr-deref in __atomic_add_unless include/asm-generic/atomic-instrumented.h:89 [inline] BUG: KASAN: null-ptr-deref in atomic_add_unless include/linux/atomic.h:533 [inline] BUG: KASAN: null-ptr-deref in mmget_not_zero include/linux/sched/mm.h:75 [inline] BUG: KASAN: null-ptr-deref in binder_update_page_range+0xece/0x18e0 drivers/android/binder_alloc.c:218 Write of size 4 at addr 0000000000000058 by task syz-executor0/11184 CPU: 1 PID: 11184 Comm: syz-executor0 Not tainted 4.18.0-rc3 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.8.2-0-g33fbe13 by qemu-project.org 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x16e/0x22c lib/dump_stack.c:113 kasan_report_error mm/kasan/report.c:352 [inline] kasan_report+0x163/0x380 mm/kasan/report.c:412 check_memory_region_inline mm/kasan/kasan.c:260 [inline] check_memory_region+0x140/0x1a0 mm/kasan/kasan.c:267 kasan_check_write+0x14/0x20 mm/kasan/kasan.c:278 __atomic_add_unless include/asm-generic/atomic-instrumented.h:89 [inline] atomic_add_unless include/linux/atomic.h:533 [inline] mmget_not_zero include/linux/sched/mm.h:75 [inline] binder_update_page_range+0xece/0x18e0 drivers/android/binder_alloc.c:218 binder_alloc_new_buf_locked drivers/android/binder_alloc.c:443 [inline] binder_alloc_new_buf+0x467/0xc30 drivers/android/binder_alloc.c:513 binder_transaction+0x125b/0x4fb0 drivers/android/binder.c:2957 binder_thread_write+0xc08/0x2770 drivers/android/binder.c:3528 binder_ioctl_write_read.isra.39+0x24f/0x8e0 drivers/android/binder.c:4456 binder_ioctl+0xa86/0xf34 drivers/android/binder.c:4596 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x154/0xd40 fs/ioctl.c:686 ksys_ioctl+0x94/0xb0 fs/ioctl.c:701 __do_sys_ioctl fs/ioctl.c:708 [inline] __se_sys_ioctl fs/ioctl.c:706 [inline] __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:706 do_syscall_64+0x167/0x4b0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe " Signed-off-by: Todd Kjos <tkjos@google.com> Signed-off-by: Minchan Kim <minchan@kernel.org> Reviewed-by: Martijn Coenen <maco@android.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:18:29 UTC |
34f1166 | Tomas Winkler | 27 August 2018, 19:40:16 UTC | mei: bus: need to unlink client before freeing In case a client fails to connect in mei_cldev_enable(), the caller won't call the mei_cldev_disable leaving the client in a linked stated. Upon driver unload the client structure will be freed in mei_cl_bus_dev_release(), leaving a stale pointer on a fail_list. This will eventually end up in crash during power down flow in mei_cl_set_disonnected(). RIP: mei_cl_set_disconnected+0x5/0x260[mei] Call trace: mei_cl_all_disconnect+0x22/0x30 mei_reset+0x194/0x250 __synchronize_hardirq+0x43/0x50 _cond_resched+0x15/0x30 mei_me_intr_clear+0x20/0x100 mei_stop+0x76/0xb0 mei_me_shutdown+0x3f/0x80 pci_device_shutdown+0x34/0x60 kernel_restart+0x0e/0x30 Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=200455 Fixes: 'c110cdb17148 ("mei: bus: make a client pointer always available")' Cc: <stable@vger.kernel.org> 4.10+ Tested-by: Georg Müller <georgmueller@gmx.net> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:14:24 UTC |
69bf531 | Tomas Winkler | 27 August 2018, 19:40:15 UTC | mei: bus: fix hw module get/put balance In case the device is not connected it doesn't 'get' hw module and hence should not 'put' it on disable. Cc: <stable@vger.kernel.org> 4.16+ Fixes:'commit 257355a44b99 ("mei: make module referencing local to the bus.c")' Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=200455 Tested-by: Georg Müller <georgmueller@gmx.net> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:14:24 UTC |
c1a214a | John Hubbard | 23 August 2018, 06:16:58 UTC | mei: fix use-after-free in mei_cl_write KASAN reports a use-after-free during startup, in mei_cl_write: BUG: KASAN: use-after-free in mei_cl_write+0x601/0x870 [mei] (drivers/misc/mei/client.c:1770) This is caused by commit 98e70866aacb ("mei: add support for variable length mei headers."), which changed the return value from len, to buf->size. That ends up using a stale buf pointer, because blocking call, the cb (callback) is deleted in me_cl_complete() function. However, fortunately, len remains unchanged throughout the function (and I don't see anything else that would require re-reading buf->size either), so the fix is to simply revert the change, and return len, as before. Fixes: 98e70866aacb ("mei: add support for variable length mei headers.") CC: Arnd Bergmann <arnd@arndb.de> CC: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: John Hubbard <jhubbard@nvidia.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:14:24 UTC |
8d2d893 | Alexander Usyskin | 06 August 2018, 14:47:33 UTC | mei: ignore not found client in the enumeration Some of the ME clients are available only for BIOS operation and are removed during hand off to an OS. However the removal is not instant. A client may be visible on the client list when the mei driver requests for enumeration, while the subsequent request for properties will be answered with client not found error value. The default behavior for an error is to perform client reset while this error is harmless and the link reset should be prevented. This issue started to be visible due to suspend/resume timing changes. Currently reported only on the Haswell based system. Fixes: [33.564957] mei_me 0000:00:16.0: hbm: properties response: wrong status = 1 CLIENT_NOT_FOUND [33.564978] mei_me 0000:00:16.0: mei_irq_read_handler ret = -71. [33.565270] mei_me 0000:00:16.0: unexpected reset: dev_state = INIT_CLIENTS fw status = 1E000255 60002306 00000200 00004401 00000000 00000010 Cc: <stable@vger.kernel.org> Reported-by: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 12 September 2018, 07:14:24 UTC |
cc4dfb7 | Cong Wang | 11 September 2018, 01:27:26 UTC | rds: fix two RCU related problems When a rds sock is bound, it is inserted into the bind_hash_table which is protected by RCU. But when releasing rds sock, after it is removed from this hash table, it is freed immediately without respecting RCU grace period. This could cause some use-after-free as reported by syzbot. Mark the rds sock with SOCK_RCU_FREE before inserting it into the bind_hash_table, so that it would be always freed after a RCU grace period. The other problem is in rds_find_bound(), the rds sock could be freed in between rhashtable_lookup_fast() and rds_sock_addref(), so we need to extend RCU read lock protection in rds_find_bound() to close this race condition. Reported-and-tested-by: syzbot+8967084bcac563795dc6@syzkaller.appspotmail.com Reported-by: syzbot+93a5839deb355537440f@syzkaller.appspotmail.com Cc: Sowmini Varadhan <sowmini.varadhan@oracle.com> Cc: Santosh Shilimkar <santosh.shilimkar@oracle.com> Cc: rds-devel@oss.oracle.com Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@oarcle.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 07:09:19 UTC |
6ad5690 | Kai-Heng Feng | 10 September 2018, 17:51:43 UTC | r8169: Clear RTL_FLAG_TASK_*_PENDING when clearing RTL_FLAG_TASK_ENABLED After system suspend, sometimes the r8169 doesn't work when ethernet cable gets pluggued. This issue happens because rtl_reset_work() doesn't get called from rtl8169_runtime_resume(), after system suspend. In rtl_task(), RTL_FLAG_TASK_* only gets cleared if this condition is met: if (!netif_running(dev) || !test_bit(RTL_FLAG_TASK_ENABLED, tp->wk.flags)) ... If RTL_FLAG_TASK_ENABLED was cleared during system suspend while RTL_FLAG_TASK_RESET_PENDING was set, the next rtl_schedule_task() won't schedule task as the flag is still there. So in addition to clearing RTL_FLAG_TASK_ENABLED, also clears other flags. Cc: Heiner Kallweit <hkallweit1@gmail.com> Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 07:05:33 UTC |
51dc63e | Haishuang Yan | 10 September 2018, 14:19:48 UTC | erspan: fix error handling for erspan tunnel When processing icmp unreachable message for erspan tunnel, tunnel id should be erspan_net_id instead of ipgre_net_id. Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") Cc: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Acked-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 06:50:54 UTC |
5a64506 | Haishuang Yan | 10 September 2018, 14:19:47 UTC | erspan: return PACKET_REJECT when the appropriate tunnel is not found If erspan tunnel hasn't been established, we'd better send icmp port unreachable message after receive erspan packets. Fixes: 84e54fe0a5ea ("gre: introduce native tunnel support for ERSPAN") Cc: William Tu <u9012063@gmail.com> Signed-off-by: Haishuang Yan <yanhaishuang@cmss.chinamobile.com> Acked-by: William Tu <u9012063@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 06:50:53 UTC |
0297c1c | Willem de Bruijn | 09 September 2018, 23:12:12 UTC | tcp: rate limit synflood warnings further Convert pr_info to net_info_ratelimited to limit the total number of synflood warnings. Commit 946cedccbd73 ("tcp: Change possible SYN flooding messages") rate limits synflood warnings to one per listener. Workloads that open many listener sockets can still see a high rate of log messages. Syzkaller is one frequent example. Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 06:34:20 UTC |
2d946e5 | Hauke Mehrtens | 09 September 2018, 19:26:23 UTC | MIPS: lantiq: dma: add dev pointer dma_zalloc_coherent() now crashes if no dev pointer is given. Add a dev pointer to the ltq_dma_channel structure and fill it in the driver using it. This fixes a bug introduced in kernel 4.19. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 06:33:19 UTC |
4a7f50f | Max Filippov | 12 September 2018, 05:12:59 UTC | xtensa: enable SG chaining in Kconfig Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> | 12 September 2018, 05:12:59 UTC |
8e966fa | Masahiro Yamada | 12 September 2018, 04:25:19 UTC | xtensa: remove unnecessary KBUILD_SRC ifeq conditional You can always prefix variant/platform header search paths with $(srctree)/ because $(srctree) is '.' for in-tree building. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> | 12 September 2018, 05:09:48 UTC |
4ecdf77 | David S. Miller | 12 September 2018, 04:17:30 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for you net tree: 1) Remove duplicated include at the end of UDP conntrack, from Yue Haibing. 2) Restore conntrack dependency on xt_cluster, from Martin Willi. 3) Fix splat with GSO skbs from the checksum target, from Florian Westphal. 4) Rework ct timeout support, the template strategy to attach custom timeouts is not correct since it will not work in conjunction with conntrack zones and we have a possible free after use when removing the rule due to missing refcounting. To fix these problems, do not use conntrack template at all and set custom timeout on the already valid conntrack object. This fix comes with a preparation patch to simplify timeout adjustment by initializating the first position of the timeout array for all of the existing trackers. Patchset from Florian Westphal. 5) Fix missing dependency on from IPv4 chain NAT type, from Florian. 6) Release chain reference counter from the flush path, from Taehee Yoo. 7) After flushing an iptables ruleset, conntrack hooks are unregistered and entries are left stale to be cleaned up by the timeout garbage collector. No TCP tracking is done on established flows by this time. If ruleset is reloaded, then hooks are registered again and TCP tracking is restored, which considers packets to be invalid. Clear window tracking to exercise TCP flow pickup from the middle given that history is lost for us. Again from Florian. 8) Fix crash from netlink interface with CONFIG_NF_CONNTRACK_TIMEOUT=y and CONFIG_NF_CT_NETLINK_TIMEOUT=n. 9) Broken CT target due to returning incorrect type from ctnl_timeout_find_get(). 10) Solve conntrack clash on NF_REPEAT verdicts too, from Michal Vaner. 11) Missing conversion of hashlimit sysctl interface to new API, from Cong Wang. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> | 12 September 2018, 04:17:30 UTC |
9d27e39 | Felix Kuehling | 10 September 2018, 19:27:42 UTC | PCI: Fix enabling of PASID on RC integrated endpoints Set the eetlp_prefix_path on PCIE_EXP_TYPE_RC_END devices to allow PASID to be enabled on them. This fixes IOMMUv2 initialization on AMD Carrizo APUs. Link: https://bugzilla.kernel.org/show_bug.cgi?id=201079 Fixes: 7ce3f912ae ("PCI: Enable PASID only if entire path supports End-End TLP prefixes") Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> | 12 September 2018, 02:46:49 UTC |
bfc4560 | Dennis Dalessandro | 31 August 2018, 17:34:14 UTC | IB/hfi1,PCI: Allow bus reset while probing Calling into the new API to reset the secondary bus results in a deadlock. This occurs because the device/bus is already locked at probe time. Reverting back to the old behavior while the API is improved. Link: https://bugzilla.kernel.org/show_bug.cgi?id=200985 Fixes: c6a44ba950d1 ("PCI: Rename pci_try_reset_bus() to pci_reset_bus()") Fixes: 409888e0966e ("IB/hfi1: Use pci_try_reset_bus() for initiating PCI Secondary Bus Reset") Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Cc: Sinan Kaya <okaya@codeaurora.org> | 12 September 2018, 02:44:52 UTC |
d8a5281 | Dennis Dalessandro | 05 September 2018, 16:08:03 UTC | PCI: Fix faulty logic in pci_reset_bus() The pci_reset_bus() function calls pci_probe_reset_slot() to determine whether to call the slot or bus reset. The check has faulty logic in that it does not account for pci_probe_reset_slot() being able to return an errno. Fix by only calling the slot reset when the function returns 0. Fixes: 811c5cb37df4 ("PCI: Unify try slot and bus reset API") Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Cc: Sinan Kaya <okaya@codeaurora.org> | 12 September 2018, 02:44:52 UTC |
5e33554 | Linus Torvalds | 12 September 2018, 02:23:21 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: - functional regression fix for sensor-hub driver from Hans de Goede - stop doing device reset for i2c-hid devices, which unbreaks some of them (and is in line with the specification), from Kai-Heng Feng - error handling fix for hid-core from Gustavo A. R. Silva - functional regression fix for some Elan panels from Benjamin Tissoires - a few new device ID additions and misc small fixes * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: i2c-hid: Don't reset device upon system resume HID: sensor-hub: Restore fixup for Lenovo ThinkPad Helix 2 sensor hub report HID: core: fix NULL pointer dereference HID: core: fix grouping by application HID: multitouch: fix Elan panels with 2 input modes declaration HID: hid-saitek: Add device ID for RAT 7 Contagion HID: core: fix memory leak on probe HID: input: fix leaking custom input node name HID: add support for Apple Magic Keyboards HID: i2c-hid: Fix flooded incomplete report after S3 on Rayd touchscreen HID: intel-ish-hid: Enable Sunrise Point-H ish driver | 12 September 2018, 02:23:21 UTC |
6a92b11 | Boris Ostrovsky | 11 September 2018, 19:55:38 UTC | x86/EISA: Don't probe EISA bus for Xen PV guests For unprivileged Xen PV guests this is normal memory and ioremap will not be able to properly map it. While at it, since ioremap may return NULL, add a test for pointer's validity. Reported-by: Andy Smith <andy@strugglers.net> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: hpa@zytor.com Cc: xen-devel@lists.xenproject.org Cc: jgross@suse.com Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20180911195538.23289-1-boris.ostrovsky@oracle.com | 11 September 2018, 21:36:50 UTC |
0165de9 | Christian König | 10 September 2018, 13:52:55 UTC | drm/amdgpu: fix error handling in amdgpu_cs_user_fence_chunk Slowly leaking memory one page at a time :) Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> | 11 September 2018, 21:35:00 UTC |