syzbot


WARNING: suspicious RCU usage in fib6_del (2)
Status: internal: reported on 2020/09/08 01:35
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 843d926b ipv6: avoid lockdep issue in fib6_del()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 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], missing on: [ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci2-upstream-usb]
First crash: 21d, last: 21d
similar bugs (2):
Kernel Title Repro Bisected Count Last Reported Patched Status
android-414 WARNING: suspicious RCU usage in fib6_del C 35 305d 537d 0/1 public: reported C repro on 2019/04/11 00:00
upstream WARNING: suspicious RCU usage in fib6_del 1 337d 337d 0/17 closed as invalid on 2019/11/19 23:24

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce 2020/09/08 01:34 upstream f4d51dff abf9ba4f .config log report andriin@fb.com, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, yhs@fb.com, yoshfuji@linux-ipv6.org