Li Zefan 091d0d55b2 shm: fix null pointer deref when userspace specifies invalid hugepage size ... Dave reported an oops triggered by trinity: BUG: unable to handle kernel NULL pointer dereference at 0000000000000008 IP: newseg+0x10d/0x390 PGD cf8c1067 PUD cf8c2067 PMD 0 Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC CPU: 2 PID: 7636 Comm: trinity-child2 Not tainted 3.9.0+#67 ... Call Trace: ipcget+0x182/0x380 SyS_shmget+0x5a/0x60 tracesys+0xdd/0xe2 This bug was introduced by commit af73e4d950 ("hugetlbfs: fix mmap failure in unaligned size request"). Reported-by: Dave Jones <davej@redhat.com> Cc: <stable@vger.kernel.org> Signed-off-by: Li Zefan <lizfan@huawei.com> Reviewed-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> Acked-by: Rik van Riel <riel@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2013-05-09 14:22:47 -07:00
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Kconfig	…
Kconfig.debug	…
Makefile	…
backing-dev.c	…
balloon_compaction.c	…
bootmem.c	…
bounce.c	…
cleancache.c	…
compaction.c	…
debug-pagealloc.c	…
dmapool.c	…
fadvise.c	…
failslab.c	…
filemap.c	…
filemap_xip.c	…
fremap.c	…
frontswap.c	…
highmem.c	…
huge_memory.c	…
hugetlb.c	…
hugetlb_cgroup.c	…
hwpoison-inject.c	…
init-mm.c	…
internal.h	…
interval_tree.c	…
kmemcheck.c	…
kmemleak-test.c	…
kmemleak.c	…
ksm.c	…
maccess.c	…
madvise.c	…
memblock.c	…
memcontrol.c	…
memory-failure.c	…
memory.c	…
memory_hotplug.c	…
mempolicy.c	…
mempool.c	…
migrate.c	…
mincore.c	…
mlock.c	…
mm_init.c	…
mmap.c	shm: fix null pointer deref when userspace specifies invalid hugepage size	2013-05-09 14:22:47 -07:00
mmu_context.c	…
mmu_notifier.c	…
mmzone.c	…
mprotect.c	…
mremap.c	…
msync.c	…
nobootmem.c	…
nommu.c	…
oom_kill.c	…
page-writeback.c	…
page_alloc.c	…
page_cgroup.c	…
page_io.c	…
page_isolation.c	…
pagewalk.c	…
percpu-km.c	…
percpu-vm.c	…
percpu.c	…
pgtable-generic.c	…
process_vm_access.c	…
quicklist.c	…
readahead.c	…
rmap.c	…
shmem.c	…
slab.c	…
slab.h	…
slab_common.c	…
slob.c	…
slub.c	…
sparse-vmemmap.c	…
sparse.c	…
swap.c	…
swap_state.c	…
swapfile.c	…
truncate.c	…
util.c	…
vmalloc.c	…
vmpressure.c	…
vmscan.c	…
vmstat.c	…