Re: [syzbot] [jfs?] UBSAN: shift-out-of-bounds in dbJoin (2)

syzbot
2025-12-07T03:52:03Z

Hello,

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

Reported-by: syzbot+fa603ae6b02658401ca7@syzkaller.appspotmail.com
Tested-by: syzbot+fa603ae6b02658401ca7@syzkaller.appspotmail.com

Tested on:

commit: 37bb2e72 Merge tag 'staging-6.19-rc1' of git://git.ker..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=135f26c2580000
kernel config: https://syzkaller.appspot.com/x/.config?x=34836e56fe7fb6c8
dashboard link: https://syzkaller.appspot.com/bug?extid=fa603ae6b02658401ca7
compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8
patch: https://syzkaller.appspot.com/x/patch.diff?x=145726c2580000

Note: testing is done by a robot and is best-effort only.