Re: INFO: rcu detected stall in sys_newlstat

From: syzbot
Date: Fri Oct 23 2020 - 05:34:11 EST


syzbot suspects this issue was fixed by commit:

commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6
Author: David Howells <dhowells@xxxxxxxxxx>
Date: Fri Oct 16 12:21:14 2020 +0000

afs: Fix cell removal

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=103fa33c500000
start commit: eff48dde Merge tag 'trace-v5.9-rc5' of git://git.kernel.or..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=af502ec9a451c9fc
dashboard link: https://syzkaller.appspot.com/bug?extid=60b38542a0dfb2e0f746
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=14ddd69b900000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=179a69ab900000

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

#syz fix: afs: Fix cell removal

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