Revision b52723c5607f7684c2c0c075f86f86da0d7fb6d0 authored by KOSAKI Motohiro on 19 August 2010, 21:13:39 UTC, committed by Linus Torvalds on 20 August 2010, 16:34:55 UTC
Commit 0aad4b3124 ("oom: fold __out_of_memory into out_of_memory") introduced a tasklist_lock leak. Then it caused following obvious danger warnings and panic. ================================================ [ BUG: lock held when returning to user space! ] ------------------------------------------------ rsyslogd/1422 is leaving the kernel with locks still held! 1 lock held by rsyslogd/1422: #0: (tasklist_lock){.+.+.+}, at: [<ffffffff810faf64>] out_of_memory+0x164/0x3f0 BUG: scheduling while atomic: rsyslogd/1422/0x00000002 INFO: lockdep is turned off. This patch fixes it. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Reviewed-by: Minchan Kim <minchan.kim@gmail.com> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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File | Mode | Size |
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ABI | ||
DocBook | ||
PCI | ||
RCU | ||
accounting | ||
acpi | ||
aoe | ||
arm | ||
auxdisplay | ||
blackfin | ||
block | ||
blockdev | ||
cdrom | ||
cgroups | ||
connector | ||
console | ||
cpu-freq | ||
cpuidle | ||
cris | ||
crypto | ||
development-process | ||
device-mapper | ||
driver-model | ||
dvb | ||
early-userspace | ||
fault-injection | ||
fb | ||
filesystems | ||
firmware_class | ||
frv | ||
hwmon | ||
i2c | ||
i2o | ||
ia64 | ||
ide | ||
infiniband | ||
input | ||
ioctl | ||
isdn | ||
ja_JP | ||
kbuild | ||
kdump | ||
ko_KR | ||
kvm | ||
laptops | ||
lguest | ||
m68k | ||
make | ||
mips | ||
misc-devices | ||
mmc | ||
mn10300 | ||
mtd | ||
namespaces | ||
netlabel | ||
networking | ||
parisc | ||
pcmcia | ||
power | ||
powerpc | ||
pps | ||
prctl | ||
s390 | ||
scheduler | ||
scsi | ||
serial | ||
sh | ||
sound | ||
sparc | ||
spi | ||
sysctl | ||
telephony | ||
thermal | ||
timers | ||
trace | ||
uml | ||
usb | ||
video4linux | ||
vm | ||
w1 | ||
watchdog | ||
wimax | ||
x86 | ||
zh_CN | ||
.gitignore | -rw-r--r-- | 107 bytes |
00-INDEX | -rw-r--r-- | 12.0 KB |
BUG-HUNTING | -rw-r--r-- | 8.1 KB |
Changes | -rw-r--r-- | 12.0 KB |
CodingStyle | -rw-r--r-- | 29.1 KB |
DMA-API-HOWTO.txt | -rw-r--r-- | 28.0 KB |
DMA-API.txt | -rw-r--r-- | 26.5 KB |
DMA-ISA-LPC.txt | -rw-r--r-- | 5.2 KB |
DMA-attributes.txt | -rw-r--r-- | 1.3 KB |
HOWTO | -rw-r--r-- | 27.2 KB |
IPMI.txt | -rw-r--r-- | 27.6 KB |
IRQ-affinity.txt | -rw-r--r-- | 2.1 KB |
IRQ.txt | -rw-r--r-- | 962 bytes |
Intel-IOMMU.txt | -rw-r--r-- | 3.8 KB |
Makefile | -rw-r--r-- | 173 bytes |
ManagementStyle | -rw-r--r-- | 12.9 KB |
SAK.txt | -rw-r--r-- | 2.8 KB |
SELinux.txt | -rw-r--r-- | 1.0 KB |
SM501.txt | -rw-r--r-- | 2.8 KB |
SecurityBugs | -rw-r--r-- | 1.8 KB |
Smack.txt | -rw-r--r-- | 21.6 KB |
SubmitChecklist | -rw-r--r-- | 4.3 KB |
SubmittingDrivers | -rw-r--r-- | 6.3 KB |
SubmittingPatches | -rw-r--r-- | 28.4 KB |
VGA-softcursor.txt | -rw-r--r-- | 2.0 KB |
apparmor.txt | -rw-r--r-- | 1.3 KB |
applying-patches.txt | -rw-r--r-- | 19.5 KB |
atomic_ops.txt | -rw-r--r-- | 19.0 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 |
coccinelle.txt | -rw-r--r-- | 6.7 KB |
cpu-hotplug.txt | -rw-r--r-- | 14.6 KB |
cpu-load.txt | -rw-r--r-- | 3.0 KB |
cputopology.txt | -rw-r--r-- | 3.2 KB |
credentials.txt | -rw-r--r-- | 20.4 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-- | 115.5 KB |
dmaengine.txt | -rw-r--r-- | 42 bytes |
dontdiff | -rw-r--r-- | 1.9 KB |
dynamic-debug-howto.txt | -rw-r--r-- | 8.4 KB |
edac.txt | -rw-r--r-- | 26.9 KB |
eisa.txt | -rw-r--r-- | 7.1 KB |
email-clients.txt | -rw-r--r-- | 8.3 KB |
feature-removal-schedule.txt | -rw-r--r-- | 21.1 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-- | 29.5 KB |
highuid.txt | -rw-r--r-- | 2.4 KB |
hw_random.txt | -rw-r--r-- | 3.5 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-- | 11.2 KB |
kernel-docs.txt | -rw-r--r-- | 34.4 KB |
kernel-parameters.txt | -rw-r--r-- | 88.9 KB |
keys-request-key.txt | -rw-r--r-- | 7.4 KB |
keys.txt | -rw-r--r-- | 47.6 KB |
kmemcheck.txt | -rw-r--r-- | 29.8 KB |
kmemleak.txt | -rw-r--r-- | 7.6 KB |
kobject.txt | -rw-r--r-- | 17.6 KB |
kprobes.txt | -rw-r--r-- | 29.4 KB |
kref.txt | -rw-r--r-- | 6.1 KB |
ldm.txt | -rw-r--r-- | 3.8 KB |
leds-class.txt | -rw-r--r-- | 3.9 KB |
leds-lp3944.txt | -rw-r--r-- | 1.5 KB |
local_ops.txt | -rw-r--r-- | 6.1 KB |
lockdep-design.txt | -rw-r--r-- | 8.8 KB |
lockstat.txt | -rw-r--r-- | 8.1 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-- | 23.6 KB |
memory-barriers.txt | -rw-r--r-- | 80.0 KB |
memory-hotplug.txt | -rw-r--r-- | 14.0 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 |
nmi_watchdog.txt | -rw-r--r-- | 4.2 KB |
nommu-mmap.txt | -rw-r--r-- | 12.7 KB |
numastat.txt | -rw-r--r-- | 866 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 |
pnp.txt | -rw-r--r-- | 6.8 KB |
preempt-locking.txt | -rw-r--r-- | 5.2 KB |
printk-formats.txt | -rw-r--r-- | 1.0 KB |
prio_tree.txt | -rw-r--r-- | 5.2 KB |
rbtree.txt | -rw-r--r-- | 8.8 KB |
rfkill.txt | -rw-r--r-- | 4.8 KB |
robust-futex-ABI.txt | -rw-r--r-- | 8.7 KB |
robust-futexes.txt | -rw-r--r-- | 9.4 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-- | 16.1 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-- | 8.0 KB |
stable_api_nonsense.txt | -rw-r--r-- | 9.2 KB |
stable_kernel_rules.txt | -rw-r--r-- | 3.6 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 |
tomoyo.txt | -rw-r--r-- | 2.2 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 |
zorro.txt | -rw-r--r-- | 2.8 KB |
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