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SYZFAIL: tun read failed

Status: premoderation: reported syz repro on 2021/10/23 11:03
Reported-by: syzbot+647afa2879875b51135e@syzkaller.appspotmail.com
First crash: 294d, last: 25d

Cause bisection: failed (bisect log)
similar bugs (3):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 SYZFAIL: tun read failed syz error 993 331d 531d 0/1 upstream: reported syz repro on 2021/02/28 06:02
android-54 SYZFAIL: tun read failed syz 850 331d 532d 0/2 upstream: reported syz repro on 2021/02/28 01:20
linux-4.14 SYZFAIL: tun read failed syz error 423 180d 531d 0/1 upstream: reported syz repro on 2021/02/28 11:26

Sample crash report:
2022/03/12 04:29:15 executor failed 11 times: executor 0: exit status 67
SYZFAIL: tun read failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

SYZFAIL: tun read failed
 (errno 9: Bad file descriptor)
SYZFAIL: child failed
 (errno 0: Success)
loop exited with status 67

Fix bisection attempts:
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-android-5-10 2022/07/19 04:57 android12-5.10-lts ebc9fb07d294 9e8eaa75 .config log report syz
ci2-android-5-10 2022/06/19 02:00 android12-5.10-lts fdd06dc6b0f8 9e8eaa75 .config log report syz
ci2-android-5-10 2022/05/19 07:02 android12-5.10-lts 0974b8411a58 9e8eaa75 .config log report syz
Crashes (82):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-android-5-10 2022/03/12 04:32 android12-5.10-lts e1b86e7f5cbb 9e8eaa75 .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2022/02/26 20:20 android12-5.10-lts e1b86e7f5cbb 45a13a73 .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/11/02 05:28 android12-5.10-lts 4944ec82ebb9 098b5d53 .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/27 20:41 android12-5.10-lts 4944ec82ebb9 be531bb4 .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/26 20:58 android12-5.10-lts 234d53d2bb60 d50eb50a .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/26 18:37 android12-5.10-lts 234d53d2bb60 d50eb50a .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/26 03:41 android12-5.10-lts 234d53d2bb60 c1132b49 .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/26 01:27 android12-5.10-lts 234d53d2bb60 c1132b49 .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/25 15:32 android12-5.10-lts 234d53d2bb60 4f0000ee .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/25 13:39 android12-5.10-lts 234d53d2bb60 4f0000ee .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/24 04:14 android12-5.10-lts 234d53d2bb60 282f03fb .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2021/10/23 12:24 android12-5.10-lts 234d53d2bb60 282f03fb .config log report syz SYZFAIL: tun read failed
ci2-android-5-10 2022/04/19 06:40 android12-5.10-lts 414e6c8e941c 8bcc32a6 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/04/14 06:52 android12-5.10-lts 414e6c8e941c b17b2923 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/04/12 17:05 android12-5.10-lts 414e6c8e941c af01ee7d .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/04/12 08:24 android12-5.10-lts 414e6c8e941c af01ee7d .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/04/05 14:38 android12-5.10-lts 414e6c8e941c 5915c2cb .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/04/04 13:24 android12-5.10-lts 414e6c8e941c 79a2a8fc .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/04/04 10:52 android12-5.10-lts 414e6c8e941c 79a2a8fc .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/31 23:29 android12-5.10-lts 414e6c8e941c c4c32d8c .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/31 04:44 android12-5.10-lts 414e6c8e941c 9d49f3a7 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/30 14:03 android12-5.10-lts 414e6c8e941c 42718dd6 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/24 16:00 android12-5.10-lts ab2d1d40a128 89bc8608 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/20 02:52 android12-5.10-lts 5287773dba0d e2d91b1d .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/18 13:03 android12-5.10-lts 9e96a3d6ae39 e2d91b1d .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/18 02:47 android12-5.10-lts 9e96a3d6ae39 e2d91b1d .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/17 17:55 android12-5.10-lts 9e96a3d6ae39 dfa9a8ed .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/17 15:11 android12-5.10-lts 9e96a3d6ae39 dfa9a8ed .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/17 11:38 android12-5.10-lts 9e96a3d6ae39 dfa9a8ed .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/14 23:47 android12-5.10-lts 0773736e480c 9e8eaa75 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/14 08:43 android12-5.10-lts e1b86e7f5cbb 9e8eaa75 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/09 02:09 android12-5.10-lts e1b86e7f5cbb 9e8eaa75 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/07 14:55 android12-5.10-lts e1b86e7f5cbb 7bdd8b2c .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/07 03:13 android12-5.10-lts e1b86e7f5cbb 7bdd8b2c .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/06 04:49 android12-5.10-lts e1b86e7f5cbb 7bdd8b2c .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/03 00:58 android12-5.10-lts e1b86e7f5cbb 45a13a73 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/03/02 06:15 android12-5.10-lts e1b86e7f5cbb 45a13a73 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/02/26 22:39 android12-5.10-lts e1b86e7f5cbb 45a13a73 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/02/19 01:15 android12-5.10-lts c194212a0332 3cd800e4 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/02/18 10:59 android12-5.10-lts c194212a0332 3cd800e4 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/02/12 01:58 android12-5.10-lts 86e6176a4240 8b9ca619 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/02/05 20:39 android12-5.10-lts 34fd8cb7e75c a7dab638 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/01/30 16:29 android12-5.10-lts 0347b1658399 495e00c5 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/01/25 06:04 android12-5.10-lts 0347b1658399 2cbffd88 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/01/23 21:07 android12-5.10-lts 0347b1658399 214351e1 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/01/19 14:22 android12-5.10-lts f45f895af546 0620189b .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/01/15 02:46 android12-5.10-lts d605f2f30d54 53e00b45 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/01/10 13:44 android12-5.10-lts a1bb21475ef8 2ca0d385 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2022/01/01 14:20 android12-5.10-lts 9b28b48fb343 e1768e9c .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/12/27 00:53 android12-5.10-lts c4d08791d941 e4f103c4 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/12/20 22:31 android12-5.10-lts c4d08791d941 62bd192b .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/12/18 18:03 android12-5.10-lts afc997898ece 44068e19 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/12/11 05:27 android12-5.10-lts e2aed161fc26 49ca1f59 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/12/08 00:38 android12-5.10-lts 6e6898e23cab 0230ba3e .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/12/07 13:28 android12-5.10-lts 6e6898e23cab 0230ba3e .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/10/27 19:51 android12-5.10-lts 4944ec82ebb9 be531bb4 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/10/26 00:36 android12-5.10-lts 234d53d2bb60 c1132b49 .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/10/25 14:49 android12-5.10-lts 234d53d2bb60 4f0000ee .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/10/24 03:22 android12-5.10-lts 234d53d2bb60 282f03fb .config log report info SYZFAIL: tun read failed
ci2-android-5-10 2021/10/23 11:02 android12-5.10-lts 234d53d2bb60 282f03fb .config log report info SYZFAIL: tun read failed