syzbot


possible deadlock in uprobe_clear_state (2)
Status: upstream: reported on 2020/07/15 19:59
Reported-by: syzbot+e5344baa319c9a96edec@syzkaller.appspotmail.com
Fix commit: f867c771 binder: Don't use mmput() from shrinker function.
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 ci2-upstream-usb], missing on: [ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 30d, last: 30d
similar bugs (1):
Kernel Title Repro Bisected Count Last Reported Patched Status
upstream possible deadlock in uprobe_clear_state 2 570d 608d 0/17 auto-closed as invalid on 2019/07/18 01:36

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/07/11 19:56 upstream a581387e 18d18b59 .config log report acme@kernel.org, alexander.shishkin@linux.intel.com, jolsa@redhat.com, linux-kernel@vger.kernel.org, mark.rutland@arm.com, mingo@redhat.com, namhyung@kernel.org, peterz@infradead.org