syzbot


BUG: unable to handle kernel NULL pointer dereference in debug_smp_processor_id (2)
Status: internal: reported on 2020/06/18 02:17
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 3021e692 kcov: check kcov_softirq in kcov_remote_stop()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-upstream-bpf-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-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 16d, last: 9d05h
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream BUG: unable to handle kernel NULL pointer dereference in debug_smp_processor_id 3 25d 28d 0/17 closed as invalid on 2020/06/10 12:27

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-smack-root 2020/06/18 04:44 upstream 7ae77150 b9f3810b .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
ci-upstream-kasan-gce-smack-root 2020/06/18 02:16 upstream 7ae77150 b9f3810b .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/06/25 16:58 linux-next e7b08814 c7b4497a .config log report gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, m.szyprowski@samsung.com, noring@nocrew.org, tweek@google.com