syzbot


possible deadlock in user_shm_lock
Status: upstream: reported on 2020/04/13 20:21
Reported-by: syzbot+40b71e145e73f78f81ad@syzkaller.appspotmail.com
Fix commit: ea0dfeb4 shmem: fix possible deadlocks on shmlock_user_lock
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-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-usb], missing on: [ci2-upstream-kcsan-gce]
First crash: 54d, last: 12d

Sample crash report:

Crashes (12):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-kasan-gce-root 2020/04/19 23:47 upstream 0fe5f9ca 9f7c6d12 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-smack-root 2020/04/16 02:26 upstream 00086336 3f3c5574 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-root 2020/04/14 22:03 upstream 8632e9b5 3f3c5574 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-root 2020/04/11 02:23 upstream ab6f762f a8c6a3f8 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-kasan-gce-smack-root 2020/04/09 20:12 upstream 5d30bcac a8c6a3f8 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/05/21 12:11 linux-next ac935d22 1f30020f .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/05/18 02:00 linux-next ac935d22 37bccd4e .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/05/18 01:37 linux-next ac935d22 37bccd4e .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/05/14 11:29 linux-next ac935d22 2d572622 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/05/14 10:38 linux-next ac935d22 2d572622 .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/04/29 14:27 linux-next ac935d22 496a08ae .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
ci-upstream-linux-next-kasan-gce-root 2020/04/21 12:18 linux-next ac935d22 2e44d63e .config log report akpm@linux-foundation.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org