Re: [syzbot] [ext4?] possible deadlock in quotactl_fd

From: syzbot
Date: Tue Aug 15 2023 - 23:23:32 EST


syzbot suspects this issue was fixed by commit:

commit 949f95ff39bf188e594e7ecd8e29b82eb108f5bf
Author: Jan Kara <jack@xxxxxxx>
Date: Tue Apr 11 12:10:19 2023 +0000

ext4: fix lockdep warning when enabling MMP

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13a06a65a80000
start commit: 1dc3731daf1f Merge tag 'for-6.4-rc1-tag' of git://git.kern..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=8bc832f563d8bf38
dashboard link: https://syzkaller.appspot.com/bug?extid=cdcd444e4d3a256ada13
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12cc2a92280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=10dc5fa6280000

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

#syz fix: ext4: fix lockdep warning when enabling MMP

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