syzbot


WARNING: lock held when returning to user space! (3)

Status: closed as dup on 2019/01/02 11:24
Reported-by: syzbot+42e36e1ae3de3f22a7ed@syzkaller.appspotmail.com
First crash: 1997d, last: 1997d
Duplicate of
Title Repro Cause bisect Fix bisect Count Last Reported
WARNING: lock held when returning to user space in set_property_atomic dri C 145 1983d 1997d
Discussions (1)
Title Replies (including bot) Last reply
WARNING: lock held when returning to user space! (3) 1 (2) 2019/01/02 11:24
Similar bugs (3)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING: lock held when returning to user space! C 2 476d 611d 0/1 upstream: reported C repro on 2022/10/15 19:00
upstream WARNING: lock held when returning to user space! (2) net C 9 2230d 2232d 8/27 fixed on 2018/07/09 18:05
upstream WARNING: lock held when returning to user space! block C 40 2250d 2265d 5/27 fixed on 2018/05/08 18:30

Sample crash report:
RBP: 00000000006cf018 R08: 0000000000000001 R09: 0000000000000032
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: ffffffffffffffff R14: 0000000000000000 R15: 0000000000000000

================================================
WARNING: lock held when returning to user space!
4.20.0+ #395 Not tainted
------------------------------------------------
syz-executor520/8085 is leaving the kernel with locks still held!

Crashes (2):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/12/29 22:08 upstream 903b77c63167 a40793d7 .config console log report syz C ci-upstream-kasan-gce
2018/12/29 22:09 upstream 903b77c63167 a40793d7 .config console log report syz C ci-upstream-kasan-gce-386
* Struck through repros no longer work on HEAD.