syzbot


INFO: rcu detected stall in tx
Status: upstream: reported syz repro on 2021/04/19 07:19
Reported-by: syzbot+e2eae5639e7203360018@syzkaller.appspotmail.com
Fix commit: USB: usbtmc: Fix RCU stall warning
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce 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-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 108d, last: 34d

Cause bisection: failed (bisect log)

Fix bisection: fixed by (bisect log) [no-op commit]:
commit 4796372e7c117b84bfd929526f48e23c79030dcd
Author: Gustavo A. R. Silva <gustavoars@kernel.org>
Date: Tue Jul 13 19:58:18 2021 +0000

  ASoC: Mediatek: MT8183: Fix fall-through warning for Clang


Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/06/27 20:19 upstream 625acffd7ae2 9d2ab5df .config log report syz INFO: rcu detected stall in tx
ci-upstream-kasan-gce 2021/04/14 18:01 upstream 50987beca096 3134b37f .config log report info INFO: rcu detected stall in tx