syzbot


BUG: unable to handle kernel NULL pointer dereference in unlock_page
Status: internal: reported on 2020/06/15 19:49
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: 19d, last: 19d

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-linux-next-kasan-gce-root 2020/06/15 19:48 linux-next e7b08814 baca2611 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org