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: 2785d, last: 2785d
▶ ▼ Duplicate of
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported
WARNING: lock held when returning to user space in set_property_atomic dri 4 syz, C 145 2771d 2784d
▶ ▼ 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 Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING: lock held when returning to user space! 4 syz, C 2 1263d 1399d 0/1 upstream: reported C repro on 2022/10/15 19:00
upstream WARNING: lock held when returning to user space! (2) net 4 syz, C 9 3018d 3019d 8/29 fixed on 2018/07/09 18:05
upstream WARNING: lock held when returning to user space! block 4 syz, C 40 3037d 3052d 5/29 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

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WARNING: lock held when returning to user space!
4.20.0+ #395 Not tainted
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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.