Re: [syzbot] [f2fs?] possible deadlock in f2fs_getxattr

From: syzbot
Date: Fri Jul 14 2023 - 11:11:37 EST


syzbot has bisected this issue to:

commit 5eda1ad1aaffdfebdecf7a164e586060a210f74f
Author: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Date: Wed Jun 28 08:00:56 2023 +0000

f2fs: fix deadlock in i_xattr_sem and inode page lock

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1177322aa80000
start commit: 3f01e9fed845 Merge tag 'linux-watchdog-6.5-rc2' of git://w..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=1377322aa80000
console output: https://syzkaller.appspot.com/x/log.txt?x=1577322aa80000
kernel config: https://syzkaller.appspot.com/x/.config?x=29fd3392a08741ef
dashboard link: https://syzkaller.appspot.com/bug?extid=e5600587fa9cbf8e3826
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1336f364a80000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=130a365aa80000

Reported-by: syzbot+e5600587fa9cbf8e3826@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 5eda1ad1aaff ("f2fs: fix deadlock in i_xattr_sem and inode page lock")

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