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(parent: 0f9e1e2) | patch
fsck.f2fs: fix cur_valid_map buffer overflow
authorJin Qian <jinqian@google.com>
Tue, 18 Apr 2017 17:58:05 +0000 (10:58 -0700)
committerJaegeuk Kim <jaegeuk@kernel.org>
Fri, 21 Apr 2017 18:42:59 +0000 (11:42 -0700)
commit8a519851200c84a5ab1029c9c7422758babd5695
tree0a31e77504675dd8fbb8c3008b8115be078fa512tree | snapshot
parent0f9e1e23dac0d9c448a8af9827172ce9586b6bdccommit | diff
fsck.f2fs: fix cur_valid_map buffer overflow

blk_off is read from image. Attacker can construct an image with big
blk_off that trigger overflow on se->cur_valid_map.

Signed-off-by: Jin Qian <jinqian@google.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
fsck/fsck.c diff | blob | history
Domain: System / Kernel;