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| author | Xi Wang <xi.wang@gmail.com> | 2012-06-07 02:35:55 +0200 |
|---|---|---|
| committer | Alex Elder <elder@dreamhost.com> | 2012-06-07 15:28:16 +0200 |
| commit | a5506049500b30dbc5edb4d07a3577477c1f3643 (patch) | |
| tree | e0229258f8f389c790f29af687cf5c13911c9bf3 /net/ceph/messenger.c | |
| parent | libceph: fix overflow in osdmap_decode() (diff) | |
| download | linux-a5506049500b30dbc5edb4d07a3577477c1f3643.tar.xz linux-a5506049500b30dbc5edb4d07a3577477c1f3643.zip | |
libceph: fix overflow in osdmap_apply_incremental()
On 32-bit systems, a large `pglen' would overflow `pglen*sizeof(u32)'
and bypass the check ceph_decode_need(p, end, pglen*sizeof(u32), bad).
It would also overflow the subsequent kmalloc() size, leading to
out-of-bounds write.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Reviewed-by: Alex Elder <elder@inktank.com>
Diffstat (limited to 'net/ceph/messenger.c')
0 files changed, 0 insertions, 0 deletions