syzbot


[upstream] WARNING: lock held when returning to user space in grab_super
Status: upstream: reported on 2019/01/02 12:06
Reported-by: syzbot+87b93137e0280beaeba1@syzkaller.appspotmail.com
Fix commit: 399504e2 fix cgroup_do_mount() handling of failure exits
Patched on: [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], missing on: [ci-upstream-kmsan-gce]
First crash: 78d, last: 32d

Sample crash report:

All crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce 2018/12/30 09:55 upstream 19530313 35e3f847 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk
ci-upstream-kasan-gce-smack-root 2019/02/14 10:55 upstream 1f947a7a 6a46f448 .config log report linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, viro@zeniv.linux.org.uk