syzbot


INFO: rcu detected stall in sys_newlstat
Status: upstream: reported C repro on 2020/09/24 09:26
Reported-by: syzbot+60b38542a0dfb2e0f746@syzkaller.appspotmail.com
Fix commit: 1d0e850a afs: Fix cell removal
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 31d, last: 31d

Cause bisection: failed (bisect log)

Fix bisection: fixed by (bisect log) :
commit 1d0e850a49a5b56f8f3cb51e74a11e2fedb96be6
Author: David Howells <dhowells@redhat.com>
Date: Fri Oct 16 12:21:14 2020 +0000

  afs: Fix cell removal


Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-smack-root 2020/09/23 05:12 upstream eff48dde 3e8f6c27 .config log report syz C fweisbec@gmail.com, linux-kernel@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de