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BUG: lock held when returning to user space in fuse_lock_inode

Status: closed as invalid on 2019/01/02 11:20
First crash: 2125d, last: 2073d

Sample crash report:
random: sshd: uninitialized urandom read (32 bytes read)
random: sshd: uninitialized urandom read (32 bytes read)
IPVS: Creating netns size=2536 id=1

================================================
[ BUG: lock held when returning to user space! ]
4.9.119-g92e8704 #22 Not tainted
------------------------------------------------
syz-executor075/3808 is leaving the kernel with locks still held!
1 lock held by syz-executor075/3808:
 #0:  (&fi->mutex){+.+.+.}, at: [<ffffffff81938832>] fuse_lock_inode+0xa2/0xd0 fs/fuse/inode.c:362

Crashes (165):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2018/08/10 02:36 https://android.googlesource.com/kernel/common android-4.9 92e87041ed2d 1fb62d58 .config console log report syz C ci-android-49-kasan-gce-root
2018/08/10 02:12 https://android.googlesource.com/kernel/common android-4.9 92e87041ed2d 1fb62d58 .config console log report syz C ci-android-49-kasan-gce-root
2018/08/10 00:40 https://android.googlesource.com/kernel/common android-4.9 92e87041ed2d 1fb62d58 .config console log report syz C ci-android-49-kasan-gce-root
2018/08/04 11:45 https://android.googlesource.com/kernel/common android-4.9 8b21e85d919c df7f6947 .config console log report syz C ci-android-49-kasan-gce-root
2018/08/04 02:40 https://android.googlesource.com/kernel/common android-4.9 8b21e85d919c df7f6947 .config console log report syz C ci-android-49-kasan-gce-root
2018/08/02 19:02 https://android.googlesource.com/kernel/common android-4.9 0137ea2134c0 0a7cf4ec .config console log report syz C ci-android-49-kasan-gce-root
2018/07/31 15:44 https://android.googlesource.com/kernel/common android-4.9 90e7a9002952 1a381291 .config console log report syz C ci-android-49-kasan-gce-root
2018/07/28 04:56 https://android.googlesource.com/kernel/common android-4.9 c7af98272dc5 ebf656d7 .config console log report syz C ci-android-49-kasan-gce-root
2018/07/13 12:34 https://android.googlesource.com/kernel/common android-4.9 9e7903954483 92a49505 .config console log report syz C ci-android-49-kasan-gce-root
2018/09/04 02:57 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/04 00:34 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/03 23:30 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/03 16:43 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/03 08:29 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/03 01:19 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/02 00:33 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/01 22:02 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/01 20:20 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/01 13:30 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/01 08:59 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/09/01 07:29 https://android.googlesource.com/kernel/common android-4.9 a06ea261bc2a a4718693 .config console log report ci-android-49-kasan-gce-root
2018/08/31 18:13 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c a4718693 .config console log report ci-android-49-kasan-gce-root
2018/08/31 06:32 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c a4718693 .config console log report ci-android-49-kasan-gce-root
2018/08/31 03:54 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 938220fd .config console log report ci-android-49-kasan-gce-root
2018/08/30 19:32 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 938220fd .config console log report ci-android-49-kasan-gce-root
2018/08/30 17:59 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 938220fd .config console log report ci-android-49-kasan-gce-root
2018/08/30 16:28 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 938220fd .config console log report ci-android-49-kasan-gce-root
2018/08/30 11:02 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 6c7e9d3d .config console log report ci-android-49-kasan-gce-root
2018/08/30 04:25 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 6c7e9d3d .config console log report ci-android-49-kasan-gce-root
2018/08/29 21:18 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 4937cb2b .config console log report ci-android-49-kasan-gce-root
2018/08/29 07:54 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 53ff8784 .config console log report ci-android-49-kasan-gce-root
2018/08/29 01:09 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c b771b17e .config console log report ci-android-49-kasan-gce-root
2018/08/28 20:37 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c b771b17e .config console log report ci-android-49-kasan-gce-root
2018/08/28 13:49 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 7ef1de9e .config console log report ci-android-49-kasan-gce-root
2018/08/26 23:28 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 758cd203 .config console log report ci-android-49-kasan-gce-root
2018/08/25 23:33 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 76e7c3df .config console log report ci-android-49-kasan-gce-root
2018/08/25 09:29 https://android.googlesource.com/kernel/common android-4.9 09eb2ba5ed0c 9be5aa1d .config console log report ci-android-49-kasan-gce-root
2018/08/25 02:42 https://android.googlesource.com/kernel/common android-4.9 6a1b5923548a 9b0f5c75 .config console log report ci-android-49-kasan-gce-root
2018/08/25 01:13 https://android.googlesource.com/kernel/common android-4.9 6a1b5923548a 9b0f5c75 .config console log report ci-android-49-kasan-gce-root
2018/08/24 23:24 https://android.googlesource.com/kernel/common android-4.9 6a1b5923548a 9b0f5c75 .config console log report ci-android-49-kasan-gce-root
2018/08/24 20:47 https://android.googlesource.com/kernel/common android-4.9 6a1b5923548a 9b0f5c75 .config console log report ci-android-49-kasan-gce-root
2018/08/23 19:27 https://android.googlesource.com/kernel/common android-4.9 7fa8c15e72a4 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/23 10:26 https://android.googlesource.com/kernel/common android-4.9 8dd3fc2ed765 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/23 03:42 https://android.googlesource.com/kernel/common android-4.9 8dd3fc2ed765 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/23 02:40 https://android.googlesource.com/kernel/common android-4.9 8dd3fc2ed765 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/22 09:54 https://android.googlesource.com/kernel/common android-4.9 8dd3fc2ed765 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/22 05:42 https://android.googlesource.com/kernel/common android-4.9 54068d61e7d8 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/21 15:15 https://android.googlesource.com/kernel/common android-4.9 54068d61e7d8 95b5c82b .config console log report ci-android-49-kasan-gce-root
2018/08/18 22:05 https://android.googlesource.com/kernel/common android-4.9 54068d61e7d8 de20bcbb .config console log report ci-android-49-kasan-gce-root
2018/08/18 14:33 https://android.googlesource.com/kernel/common android-4.9 681e57bb080a db1858f6 .config console log report ci-android-49-kasan-gce-root
2018/08/18 03:58 https://android.googlesource.com/kernel/common android-4.9 681e57bb080a db1858f6 .config console log report ci-android-49-kasan-gce-root
2018/08/17 17:25 https://android.googlesource.com/kernel/common android-4.9 f85543ba3c54 738da825 .config console log report ci-android-49-kasan-gce-root
* Struck through repros no longer work on HEAD.