Re: [syzbot] [ocfs2?] KASAN: use-after-free Read in ocfs2_search_extent_list

From: syzbot
Date: Tue Dec 10 2024 - 06:28:09 EST


Hello,

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

Reported-by: syzbot+2313dda4dc4885c93578@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+2313dda4dc4885c93578@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit: 6ddd5d53 ocfs2: Take the smaller of l_next_free_rec an..
git tree: https://github.com/ea1davis/linux ocfs2/syz
console output: https://syzkaller.appspot.com/x/log.txt?x=145d7c0f980000
kernel config: https://syzkaller.appspot.com/x/.config?x=82d76f5a1a8b5c36
dashboard link: https://syzkaller.appspot.com/bug?extid=2313dda4dc4885c93578
compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40

Note: no patches were applied.
Note: testing is done by a robot and is best-effort only.