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(parent: 3a68deb) | patch
ext4: fix potential integer overflow
authorInsu Yun <wuninsu@gmail.com>
Fri, 12 Feb 2016 06:15:59 +0000 (01:15 -0500)
committerSasha Levin <sasha.levin@oracle.com>
Fri, 4 Mar 2016 15:25:42 +0000 (10:25 -0500)
commit9d7679794e9cd701890d997a76024b2239f90638
tree3ae1739a74d253b3473c56ef8092a3825c55b2aftree | snapshot
parent3a68deb6673cffe2d66f0f0ace615bc0cb4c1153commit | diff
ext4: fix potential integer overflow

[ Upstream commit 46901760b46064964b41015d00c140c83aa05bcf ]

Since sizeof(ext_new_group_data) > sizeof(ext_new_flex_group_data),
integer overflow could be happened.
Therefore, need to fix integer overflow sanitization.

Cc: stable@vger.kernel.org
Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
fs/ext4/resize.c diff | blob | history
Domain: System / Kernel;