syzbot


WARNING: lock held when returning to user space in tun_get_user (2)
Status: fixed on 2020/02/18 14:31
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 1efba987c486 net-backports: tun: add mutex_unlock() call and napi.skb clearing in tun_get_user()
First crash: 676d, last: 665d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: lock held when returning to user space in tun_get_user C done 55 988d 988d 13/22 fixed on 2019/04/10 16:37

Sample crash report:

Crashes (7):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-kasan-gce 2020/01/26 03:35 net-next 3333e50b64fe f4e7270e .config log report
ci-upstream-net-kasan-gce 2020/01/25 05:14 net-next 23f4eacdd24a 2e95ab33 .config log report
ci-upstream-net-kasan-gce 2020/01/22 20:29 net-next 4f2c17e0f332 8eda0b95 .config log report
ci-upstream-net-kasan-gce 2020/01/22 18:59 net-next 4f2c17e0f332 8eda0b95 .config log report
ci-upstream-net-kasan-gce 2020/01/22 10:54 net-next 4f2c17e0f332 8eda0b95 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/02/02 10:13 linux-next 2747d5fdab78 2274ad39 .config log report
ci-upstream-linux-next-kasan-gce-root 2020/01/31 01:57 linux-next 2747d5fdab78 5ed23f9a .config log report