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
..
backing-dev.c
balloon_compaction.c
bootmem.c
bounce.c	Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block	2013-05-08 10:13:35 -07:00
cleancache.c	mm: cleancache: clean up cleancache_enabled	2013-04-30 17:04:01 -07:00
compaction.c
debug-pagealloc.c
dmapool.c
fadvise.c
failslab.c
filemap_xip.c
filemap.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2013-05-01 17:51:54 -07:00
fremap.c
frontswap.c	frontswap: get rid of swap_lock dependency	2013-04-30 17:04:00 -07:00
highmem.c
huge_memory.c	thp: fix huge zero page logic for page with pfn == 0	2013-04-29 15:54:39 -07:00
hugetlb_cgroup.c
hugetlb.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2013-04-30 09:36:50 -07:00
hwpoison-inject.c
init-mm.c
internal.h
interval_tree.c
Kconfig	mmKconfig: add an option to disable bounce	2013-04-29 15:54:40 -07:00
Kconfig.debug
kmemcheck.c
kmemleak-test.c
kmemleak.c
ksm.c
maccess.c
madvise.c	mm: madvise: complete input validation before taking lock	2013-04-29 15:54:37 -07:00
Makefile	memcg: add memory.pressure_level events	2013-04-29 15:54:38 -07:00
memblock.c	memblock: fix missing comment of memblock_insert_region()	2013-04-29 15:54:38 -07:00
memcontrol.c	mm, memcg: add rss_huge stat to memory.stat	2013-05-07 18:38:26 -07:00
memory_hotplug.c	mm: fix memory_hotplug.c printk format warning	2013-04-29 15:54:39 -07:00
memory-failure.c
memory.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial	2013-04-30 09:36:50 -07:00
mempolicy.c
mempool.c
migrate.c	mm: rewrite the comment over migrate_pages() more comprehensibly	2013-04-29 15:54:37 -07:00
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	mm: remove old aio use_mm() comment	2013-05-07 18:38:27 -07:00
mmu_notifier.c
mmzone.c
mprotect.c
mremap.c
msync.c
nobootmem.c	mm, nobootmem: do memset() after memblock_reserve()	2013-04-29 15:54:39 -07:00
nommu.c	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal	2013-05-01 07:21:43 -07:00
oom_kill.c
page_alloc.c	page_alloc: make setup_nr_node_ids() usable for arch init code	2013-04-29 15:54:36 -07:00
page_cgroup.c
page_io.c	Merge branch 'for-3.10/core' of git://git.kernel.dk/linux-block	2013-05-08 10:13:35 -07:00
page_isolation.c
page-writeback.c	mm: make snapshotting pages for stable writes a per-bio operation	2013-04-29 15:54:33 -07:00
pagewalk.c
percpu-km.c
percpu-vm.c
percpu.c
pgtable-generic.c
process_vm_access.c
quicklist.c
readahead.c
rmap.c	rmap: recompute pgoff for unmapping huge page	2013-04-29 15:54:28 -07:00
shmem.c	aio: don't include aio.h in sched.h	2013-05-07 20:16:25 -07:00
slab_common.c	mm/slab: Fix crash during slab init	2013-05-08 15:02:33 -07:00
slab.c	Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux	2013-05-07 08:42:20 -07:00
slab.h
slob.c
slub.c	Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux	2013-05-07 08:42:20 -07:00
sparse-vmemmap.c	sparse-vmemmap: specify vmemmap population range in bytes	2013-04-29 15:54:35 -07:00
sparse.c	mm, hotplug: avoid compiling memory hotremove functions when disabled	2013-04-29 15:54:37 -07:00
swap_state.c	mm: thp: add split tail pages to shrink page list in page reclaim	2013-04-29 15:54:38 -07:00
swap.c	aio: don't include aio.h in sched.h	2013-05-07 20:16:25 -07:00
swapfile.c	frontswap: get rid of swap_lock dependency	2013-04-30 17:04:00 -07:00
truncate.c
util.c
vmalloc.c	mm/vmalloc.c: add vfree comment	2013-05-07 18:38:27 -07:00
vmpressure.c	memcg: add memory.pressure_level events	2013-04-29 15:54:38 -07:00
vmscan.c	mm: thp: add split tail pages to shrink page list in page reclaim	2013-04-29 15:54:38 -07:00
vmstat.c	mm/vmstat: add note on safety of drain_zonestat	2013-04-29 15:54:38 -07:00