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(parent: 89d21b6) | patch
bcachefs: slab-use-after-free Read in bch2_sb_errors_from_cpu
authorPei Li <peili.dev@gmail.com>
Tue, 25 Jun 2024 20:04:59 +0000 (13:04 -0700)
committerKent Overstreet <kent.overstreet@linux.dev>
Tue, 25 Jun 2024 21:51:26 +0000 (17:51 -0400)
commit211c581de28e7741898720b5f74da4e62f37f972
tree897ec656a41119b28c2ca9d3fcfcfc63e9a2d05dtree | snapshot
parent89d21b69b4f88e7a04b66bec38a01470cd40d703commit | diff
bcachefs: slab-use-after-free Read in bch2_sb_errors_from_cpu

Acquire fsck_error_counts_lock before accessing the critical section
protected by this lock.

syzbot has tested the proposed patch and the reproducer did not trigger
any issue.

Reported-by: syzbot+a2bc0e838efd7663f4d9@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=a2bc0e838efd7663f4d9
Signed-off-by: Pei Li <peili.dev@gmail.com>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
fs/bcachefs/sb-errors.c diff | blob | history
https://github.com/torvalds/linux.git