Revision b704871124b477807966f06789c2b32f2de58bf7 authored by Kirill A. Shutemov on 30 April 2012, 13:18:01 UTC, committed by Guenter Roeck on 01 May 2012, 15:18:05 UTC
coretemp tries to access core_data array beyond bounds on cpu unplug if core id of the cpu if more than NUM_REAL_CORES-1. BUG: unable to handle kernel NULL pointer dereference at 000000000000013c IP: [<ffffffffa00159af>] coretemp_cpu_callback+0x93/0x1ba [coretemp] PGD 673e5a067 PUD 66e9b3067 PMD 0 Oops: 0000 [#1] SMP CPU 79 Modules linked in: sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf bnep bluetooth rfkill ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter nf_conntrack_ipv4 nf_defrag_ipv4 ip6_tables xt_state nf_conntrack coretemp crc32c_intel asix tpm_tis pcspkr usbnet iTCO_wdt i2c_i801 microcode mii joydev tpm i2c_core iTCO_vendor_support tpm_bios i7core_edac igb ioatdma edac_core dca megaraid_sas [last unloaded: oprofile] Pid: 3315, comm: set-cpus Tainted: G W 3.4.0-rc5+ #2 QCI QSSC-S4R/QSSC-S4R RIP: 0010:[<ffffffffa00159af>] [<ffffffffa00159af>] coretemp_cpu_callback+0x93/0x1ba [coretemp] RSP: 0018:ffff880472fb3d48 EFLAGS: 00010246 RAX: 0000000000000124 RBX: 0000000000000034 RCX: 00000000ffffffff RDX: 0000000000000000 RSI: 0000000000000046 RDI: 0000000000000246 RBP: ffff880472fb3d88 R08: ffff88077fcd36c0 R09: 0000000000000001 R10: ffffffff8184bc48 R11: 0000000000000000 R12: ffff880273095800 R13: 0000000000000013 R14: ffff8802730a1810 R15: 0000000000000000 FS: 00007f694a20f720(0000) GS:ffff88077fcc0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b CR2: 000000000000013c CR3: 000000067209b000 CR4: 00000000000007e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process set-cpus (pid: 3315, threadinfo ffff880472fb2000, task ffff880471fa0000) Stack: ffff880277b4c308 0000000000000003 ffff880472fb3d88 0000000000000005 0000000000000034 00000000ffffffd1 ffffffff81cadc70 ffff880472fb3e14 ffff880472fb3dc8 ffffffff8161f48d ffff880471fa0000 0000000000000034 Call Trace: [<ffffffff8161f48d>] notifier_call_chain+0x4d/0x70 [<ffffffff8107f1be>] __raw_notifier_call_chain+0xe/0x10 [<ffffffff81059d30>] __cpu_notify+0x20/0x40 [<ffffffff815fa251>] _cpu_down+0x81/0x270 [<ffffffff815fa477>] cpu_down+0x37/0x50 [<ffffffff815fd6a3>] store_online+0x63/0xc0 [<ffffffff813c7078>] dev_attr_store+0x18/0x30 [<ffffffff811f02cf>] sysfs_write_file+0xef/0x170 [<ffffffff81180443>] vfs_write+0xb3/0x180 [<ffffffff8118076a>] sys_write+0x4a/0x90 [<ffffffff816236a9>] system_call_fastpath+0x16/0x1b Code: 48 c7 c7 94 60 01 a0 44 0f b7 ac 10 ac 00 00 00 31 c0 e8 41 b7 5f e1 41 83 c5 02 49 63 c5 49 8b 44 c4 10 48 85 c0 74 56 45 31 ff <39> 58 18 75 4e eb 1f 49 63 d7 4c 89 f7 48 89 45 c8 48 6b d2 28 RIP [<ffffffffa00159af>] coretemp_cpu_callback+0x93/0x1ba [coretemp] RSP <ffff880472fb3d48> CR2: 000000000000013c Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: stable@vger.kernel.org # 3.0+ Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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File | Mode | Size |
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ABI | ||
DocBook | ||
EDID | ||
PCI | ||
RCU | ||
accounting | ||
acpi | ||
aoe | ||
arm | ||
auxdisplay | ||
backlight | ||
blackfin | ||
block | ||
blockdev | ||
cdrom | ||
cgroups | ||
connector | ||
console | ||
cpu-freq | ||
cpuidle | ||
cris | ||
crypto | ||
development-process | ||
device-mapper | ||
devicetree | ||
driver-model | ||
dvb | ||
early-userspace | ||
fault-injection | ||
fb | ||
filesystems | ||
firmware_class | ||
frv | ||
hid | ||
hwmon | ||
i2c | ||
i2o | ||
ia64 | ||
ide | ||
infiniband | ||
input | ||
ioctl | ||
isdn | ||
ja_JP | ||
kbuild | ||
kdump | ||
ko_KR | ||
laptops | ||
leds | ||
m68k | ||
make | ||
mips | ||
misc-devices | ||
mmc | ||
mn10300 | ||
mtd | ||
namespaces | ||
netlabel | ||
networking | ||
nfc | ||
parisc | ||
pcmcia | ||
power | ||
powerpc | ||
pps | ||
prctl | ||
pti | ||
ptp | ||
rapidio | ||
s390 | ||
scheduler | ||
scsi | ||
security | ||
serial | ||
sh | ||
sound | ||
sparc | ||
spi | ||
sysctl | ||
target | ||
telephony | ||
thermal | ||
timers | ||
trace | ||
usb | ||
vDSO | ||
video4linux | ||
virtual | ||
vm | ||
w1 | ||
watchdog | ||
wimax | ||
x86 | ||
zh_CN | ||
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BUG-HUNTING | -rw-r--r-- | 8.1 KB |
Changes | -rw-r--r-- | 11.7 KB |
CodingStyle | -rw-r--r-- | 30.3 KB |
DMA-API-HOWTO.txt | -rw-r--r-- | 28.0 KB |
DMA-API.txt | -rw-r--r-- | 26.7 KB |
DMA-ISA-LPC.txt | -rw-r--r-- | 5.2 KB |
DMA-attributes.txt | -rw-r--r-- | 1.9 KB |
HOWTO | -rw-r--r-- | 27.2 KB |
IPMI.txt | -rw-r--r-- | 28.5 KB |
IRQ-affinity.txt | -rw-r--r-- | 2.5 KB |
IRQ-domain.txt | -rw-r--r-- | 5.1 KB |
IRQ.txt | -rw-r--r-- | 962 bytes |
Intel-IOMMU.txt | -rw-r--r-- | 3.8 KB |
Makefile | -rw-r--r-- | 156 bytes |
ManagementStyle | -rw-r--r-- | 12.9 KB |
SAK.txt | -rw-r--r-- | 2.8 KB |
SM501.txt | -rw-r--r-- | 2.8 KB |
SecurityBugs | -rw-r--r-- | 1.8 KB |
SubmitChecklist | -rw-r--r-- | 4.4 KB |
SubmittingDrivers | -rw-r--r-- | 6.3 KB |
SubmittingPatches | -rw-r--r-- | 28.5 KB |
VGA-softcursor.txt | -rw-r--r-- | 2.0 KB |
applying-patches.txt | -rw-r--r-- | 19.5 KB |
atomic_ops.txt | -rw-r--r-- | 21.6 KB |
bad_memory.txt | -rw-r--r-- | 1.1 KB |
basic_profiling.txt | -rw-r--r-- | 1.7 KB |
binfmt_misc.txt | -rw-r--r-- | 5.9 KB |
braille-console.txt | -rw-r--r-- | 1.4 KB |
bt8xxgpio.txt | -rw-r--r-- | 4.3 KB |
btmrvl.txt | -rw-r--r-- | 2.9 KB |
bus-virt-phys-mapping.txt | -rw-r--r-- | 7.9 KB |
cachetlb.txt | -rw-r--r-- | 17.1 KB |
circular-buffers.txt | -rw-r--r-- | 7.6 KB |
clk.txt | -rw-r--r-- | 8.5 KB |
coccinelle.txt | -rw-r--r-- | 8.1 KB |
cpu-hotplug.txt | -rw-r--r-- | 14.6 KB |
cpu-load.txt | -rw-r--r-- | 3.0 KB |
cputopology.txt | -rw-r--r-- | 3.8 KB |
crc32.txt | -rw-r--r-- | 8.5 KB |
dcdbas.txt | -rw-r--r-- | 3.6 KB |
debugging-modules.txt | -rw-r--r-- | 954 bytes |
debugging-via-ohci1394.txt | -rw-r--r-- | 7.4 KB |
dell_rbu.txt | -rw-r--r-- | 4.9 KB |
devices.txt | -rw-r--r-- | 116.0 KB |
digsig.txt | -rw-r--r-- | 2.8 KB |
dma-buf-sharing.txt | -rw-r--r-- | 14.6 KB |
dmaengine.txt | -rw-r--r-- | 7.6 KB |
dontdiff | -rw-r--r-- | 2.5 KB |
dynamic-debug-howto.txt | -rw-r--r-- | 9.3 KB |
edac.txt | -rw-r--r-- | 26.9 KB |
eisa.txt | -rw-r--r-- | 7.1 KB |
email-clients.txt | -rw-r--r-- | 8.6 KB |
feature-removal-schedule.txt | -rw-r--r-- | 19.6 KB |
flexible-arrays.txt | -rw-r--r-- | 5.5 KB |
futex-requeue-pi.txt | -rw-r--r-- | 5.0 KB |
gcov.txt | -rw-r--r-- | 7.5 KB |
gpio.txt | -rw-r--r-- | 32.2 KB |
highuid.txt | -rw-r--r-- | 2.4 KB |
hw_random.txt | -rw-r--r-- | 3.5 KB |
hwspinlock.txt | -rw-r--r-- | 12.1 KB |
init.txt | -rw-r--r-- | 2.5 KB |
initrd.txt | -rw-r--r-- | 14.1 KB |
intel_txt.txt | -rw-r--r-- | 10.2 KB |
io-mapping.txt | -rw-r--r-- | 3.2 KB |
io_ordering.txt | -rw-r--r-- | 1.9 KB |
iostats.txt | -rw-r--r-- | 7.9 KB |
irqflags-tracing.txt | -rw-r--r-- | 2.6 KB |
isapnp.txt | -rw-r--r-- | 433 bytes |
java.txt | -rw-r--r-- | 10.7 KB |
kernel-doc-nano-HOWTO.txt | -rw-r--r-- | 11.4 KB |
kernel-docs.txt | -rw-r--r-- | 33.1 KB |
kernel-parameters.txt | -rw-r--r-- | 101.5 KB |
kmemcheck.txt | -rw-r--r-- | 29.8 KB |
kmemleak.txt | -rw-r--r-- | 7.9 KB |
kobject.txt | -rw-r--r-- | 17.6 KB |
kprobes.txt | -rw-r--r-- | 29.5 KB |
kref.txt | -rw-r--r-- | 6.1 KB |
ldm.txt | -rw-r--r-- | 3.8 KB |
local_ops.txt | -rw-r--r-- | 6.1 KB |
lockdep-design.txt | -rw-r--r-- | 11.6 KB |
lockstat.txt | -rw-r--r-- | 10.7 KB |
lockup-watchdogs.txt | -rw-r--r-- | 3.1 KB |
logo.gif | -rw-r--r-- | 16.0 KB |
logo.txt | -rw-r--r-- | 563 bytes |
magic-number.txt | -rw-r--r-- | 9.7 KB |
mca.txt | -rw-r--r-- | 11.3 KB |
md.txt | -rw-r--r-- | 25.4 KB |
media-framework.txt | -rw-r--r-- | 13.9 KB |
memory-barriers.txt | -rw-r--r-- | 82.3 KB |
memory-hotplug.txt | -rw-r--r-- | 15.0 KB |
memory.txt | -rw-r--r-- | 1.2 KB |
mono.txt | -rw-r--r-- | 2.5 KB |
mutex-design.txt | -rw-r--r-- | 5.8 KB |
nommu-mmap.txt | -rw-r--r-- | 12.7 KB |
numastat.txt | -rw-r--r-- | 836 bytes |
oops-tracing.txt | -rw-r--r-- | 12.5 KB |
padata.txt | -rw-r--r-- | 7.3 KB |
parport-lowlevel.txt | -rw-r--r-- | 32.2 KB |
parport.txt | -rw-r--r-- | 8.8 KB |
pi-futex.txt | -rw-r--r-- | 5.7 KB |
pinctrl.txt | -rw-r--r-- | 36.7 KB |
pnp.txt | -rw-r--r-- | 6.8 KB |
preempt-locking.txt | -rw-r--r-- | 5.2 KB |
printk-formats.txt | -rw-r--r-- | 4.9 KB |
prio_tree.txt | -rw-r--r-- | 5.2 KB |
ramoops.txt | -rw-r--r-- | 2.3 KB |
rbtree.txt | -rw-r--r-- | 9.1 KB |
remoteproc.txt | -rw-r--r-- | 13.8 KB |
rfkill.txt | -rw-r--r-- | 4.7 KB |
robust-futex-ABI.txt | -rw-r--r-- | 8.7 KB |
robust-futexes.txt | -rw-r--r-- | 9.4 KB |
rpmsg.txt | -rw-r--r-- | 13.6 KB |
rt-mutex-design.txt | -rw-r--r-- | 32.8 KB |
rt-mutex.txt | -rw-r--r-- | 3.5 KB |
rtc.txt | -rw-r--r-- | 15.5 KB |
serial-console.txt | -rw-r--r-- | 4.0 KB |
sgi-ioc4.txt | -rw-r--r-- | 2.0 KB |
sgi-visws.txt | -rw-r--r-- | 678 bytes |
sparse.txt | -rw-r--r-- | 3.0 KB |
spinlocks.txt | -rw-r--r-- | 6.5 KB |
stable_api_nonsense.txt | -rw-r--r-- | 9.2 KB |
stable_kernel_rules.txt | -rw-r--r-- | 3.7 KB |
static-keys.txt | -rw-r--r-- | 11.9 KB |
svga.txt | -rw-r--r-- | 14.1 KB |
sysfs-rules.txt | -rw-r--r-- | 8.1 KB |
sysrq.txt | -rw-r--r-- | 11.5 KB |
unaligned-memory-access.txt | -rw-r--r-- | 10.0 KB |
unicode.txt | -rw-r--r-- | 6.5 KB |
unshare.txt | -rw-r--r-- | 13.1 KB |
vgaarbiter.txt | -rw-r--r-- | 8.1 KB |
video-output.txt | -rw-r--r-- | 1.1 KB |
volatile-considered-harmful.txt | -rw-r--r-- | 5.6 KB |
workqueue.txt | -rw-r--r-- | 15.6 KB |
xz.txt | -rw-r--r-- | 5.7 KB |
zorro.txt | -rw-r--r-- | 2.8 KB |
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