| commit | ce3aba43599f0b50adbebff133df8d08a3d5fffe | [log] [tgz] |
|---|---|---|
| author | Anirudh Rayabharam <mail@anirudhrb.com> | Fri May 07 00:26:54 2021 +0530 |
| committer | Theodore Ts'o <tytso@mit.edu> | Thu Jun 17 10:53:19 2021 -0400 |
| tree | be466ea324adc1db0512031e2282c6551a2f7850 | |
| parent | 618f003199c6188e01472b03cdbba227f1dc5f24 [diff] |
ext4: fix kernel infoleak via ext4_extent_header Initialize eh_generation of struct ext4_extent_header to prevent leaking info to userspace. Fixes KMSAN kernel-infoleak bug reported by syzbot at: http://syzkaller.appspot.com/bug?id=78e9ad0e6952a3ca16e8234724b2fa92d041b9b8 Cc: stable@kernel.org Reported-by: syzbot+2dcfeaf8cb49b05e8f1a@syzkaller.appspotmail.com Fixes: a86c61812637 ("[PATCH] ext3: add extent map support") Signed-off-by: Anirudh Rayabharam <mail@anirudhrb.com> Link: https://lore.kernel.org/r/20210506185655.7118-1-mail@anirudhrb.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>