]> www.infradead.org Git - users/jedix/linux-maple.git/commit
bcachefs: Fix UAF in bch2_reconstruct_alloc()
authorKent Overstreet <kent.overstreet@linux.dev>
Fri, 25 Oct 2024 17:13:05 +0000 (13:13 -0400)
committerKent Overstreet <kent.overstreet@linux.dev>
Fri, 25 Oct 2024 17:17:23 +0000 (13:17 -0400)
commit8e910ca20e112d7f06ba3bf631a06ddb5ce14657
treee518954d4a60d04e0cd27006de58e5b23b12d734
parenta25a83de45b435cf89e55c7fb8733f83c7826004
bcachefs: Fix UAF in bch2_reconstruct_alloc()

write_super() -> sb_counters_from_cpu() may reallocate the superblock

Reported-by: syzbot+9fc4dac4775d07bcfe34@syzkaller.appspotmail.com
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
fs/bcachefs/recovery.c