syzbot


KCSAN: data-race in call_rcu / rcu_gp_kthread
Status: upstream: reported on 2021/07/12 16:09
Reported-by: syzbot+e08a83a1940ec3846cd5@syzkaller.appspotmail.com
Fix commit: 2431774f04d1 rcu: Mark accesses to rcu_state.n_force_qs
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte 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-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-qemu2-riscv64 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 142d, last: 142d

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-upstream-kcsan-gce 2021/07/12 12:57 upstream e73f0f0ee754 a4869c92 .config log report info KCSAN: data-race in call_rcu / rcu_gp_kthread