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(parent: 33ddf01) | patch
fsck.f2fs: sanity check blk_off for summary block entries
authorJin Qian <jinqian@google.com>
Thu, 27 Apr 2017 18:29:22 +0000 (11:29 -0700)
committerJaegeuk Kim <jaegeuk@kernel.org>
Thu, 27 Apr 2017 19:42:58 +0000 (12:42 -0700)
commitd87fc37b028fe6587a1ee3edac8fea7b78cf4842
treebb71e2d6bb5430d93b96fdf1f7379fcadd69c7f6tree | snapshot
parent33ddf01c7920807bbae2baf1d79dffa169ffd718commit | diff
fsck.f2fs: sanity check blk_off for summary block entries

crafted malicious f2fs partition can fill an out of bound blk_off,
which cause overflow when accessing summary block entries.

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