mm/vmstat.c: fix outdated vmstat_text

7a9cdebdcc ("mm: get rid of vmacache_flush_all() entirely") removed the
VMACACHE_FULL_FLUSHES statistics, but didn't remove the corresponding
entry in vmstat_text.  This causes an out-of-bounds access in
vmstat_show().

Luckily this only affects kernels with CONFIG_DEBUG_VM_VMACACHE=y, which
is probably very rare.

Link: http://lkml.kernel.org/r/20181001143138.95119-1-jannh@google.com
Fixes: 7a9cdebdcc ("mm: get rid of vmacache_flush_all() entirely")
Signed-off-by: Jann Horn <jannh@google.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Michal Hocko <mhocko@suse.com>
Acked-by: Roman Gushchin <guro@fb.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Christoph Lameter <clameter@sgi.com>
Cc: Kemi Wang <kemi.wang@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

This commit is contained in:

Jann Horn

2018-10-05 15:52:03 -07:00

committed by

Greg Kroah-Hartman

parent f8a00cef17

commit 28e2c4bb99

1 changed files with 0 additions and 1 deletions

									
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mm/vmstat.c

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				@ -1283,7 +1283,6 @@ const char * const vmstat_text[] = {

				#ifdef CONFIG_DEBUG_VM_VMACACHE

					"vmacache_find_calls",

					"vmacache_find_hits",

					"vmacache_full_flushes",

				#endif

				#ifdef CONFIG_SWAP

					"swap_ra",

mm/vmstat.c: fix outdated vmstat_text

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mm/vmstat.c

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