Re: [syzbot] [ext4?] possible deadlock in ext4_xattr_inode_iget (3)

From: syzbot
Date: Sat Nov 02 2024 - 18:58:18 EST


syzbot suspects this issue was fixed by commit:

commit d1bc560e9a9c78d0b2314692847fc8661e0aeb99
Author: Wojciech Gładysz <wojciech.gladysz@xxxxxxxxxxxx>
Date: Thu Aug 1 14:38:27 2024 +0000

ext4: nested locking for xattr inode

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1245f55f980000
start commit: fe46a7dd189e Merge tag 'sound-6.9-rc1' of git://git.kernel..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=1a07d5da4eb21586
dashboard link: https://syzkaller.appspot.com/bug?extid=ee72b9a7aad1e5a77c5c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12407f45180000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=140d9db1180000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: ext4: nested locking for xattr inode

For information about bisection process see: https://goo.gl/tpsmEJ#bisection