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authorIngo Molnar <mingo@elte.hu>2010-09-21 13:55:04 +0200
committerIngo Molnar <mingo@elte.hu>2010-09-21 13:55:11 +0200
commit7ed569206ebe7467b9c912b857ec46cf1c361111 (patch)
treec3e0b92cc782439c33ae844e2520819a29700897 /fs/aio.c
parente9d2b064149ff7ef4acbc65a1b9374ac8b218d3e (diff)
parentb30a3f6257ed2105259b404d419b4964e363928c (diff)
Merge commit 'v2.6.36-rc5' into perf/core
Merge reason: Pick up the latest fixes in -rc5. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/aio.c')
-rw-r--r--fs/aio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/aio.c b/fs/aio.c
index 3006b5bc33d6..1320b2a05fb2 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -1659,6 +1659,9 @@ long do_io_submit(aio_context_t ctx_id, long nr,
if (unlikely(nr < 0))
return -EINVAL;
+ if (unlikely(nr > LONG_MAX/sizeof(*iocbpp)))
+ nr = LONG_MAX/sizeof(*iocbpp);
+
if (unlikely(!access_ok(VERIFY_READ, iocbpp, (nr*sizeof(*iocbpp)))))
return -EFAULT;