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WARNING in dio_complete

Status: public: reported C repro on 2019/04/11 00:00
Reported-by: syzbot+b8169b73b542fac6e295@syzkaller.appspotmail.com
First crash: 2060d, last: 1817d
▶ ▼ Similar bugs (1)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING in dio_complete C done 27 1604d 1833d 1/1 fixed on 2019/12/30 15:48

Sample crash report:
random: sshd: uninitialized urandom read (32 bytes read)
audit: type=1400 audit(1556498145.963:7): avc:  denied  { map } for  pid=1789 comm="syz-executor973" path="/root/syz-executor973684849" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1807 at fs/direct-io.c:293 dio_complete+0x641/0x7e0 fs/direct-io.c:293
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 1807 Comm: syz-executor973 Not tainted 4.14.113+ #61
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0xb9/0x10e lib/dump_stack.c:53
 panic+0x1d9/0x3c2 kernel/panic.c:182
 __warn.cold+0x2f/0x3b kernel/panic.c:546
Kernel Offset: 0x33a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..

Crashes (3087):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/04/29 00:38 android-4.14 ffa22221c473 b617407b .config console log report syz C ci-android-414-kasan-gce-root
2019/03/08 14:46 android-4.14 4df61bb7f2f6 12365b99 .config console log report syz C ci-android-414-kasan-gce-root
2018/12/03 07:36 android-4.14 d11d7f1ccfb1 7dcaeaf3 .config console log report syz C ci-android-414-kasan-gce-root
2018/12/01 12:20 android-4.14 d11d7f1ccfb1 d8988561 .config console log report syz C ci-android-414-kasan-gce-root
2018/11/30 23:41 android-4.14 51164110fa6e ade12e91 .config console log report syz C ci-android-414-kasan-gce-root
2018/11/25 00:47 android-4.14 ea91d158d712 ecc7c870 .config console log report syz C ci-android-414-kasan-gce-root
2018/11/21 15:31 android-4.14 fb396435d9dd 5d9a3924 .config console log report syz C ci-android-414-kasan-gce-root
2018/11/20 23:22 android-4.14 4e76528bd48d 9aca6b52 .config console log report syz C ci-android-414-kasan-gce-root
2018/11/08 16:50 android-4.14 d4e5dea08bbf e85d2a61 .config console log report syz C ci-android-414-kasan-gce-root
2018/11/01 10:31 android-4.14 4ed22187defd 1f38e9ae .config console log report syz C ci-android-414-kasan-gce-root
2018/10/30 06:56 android-4.14 4ed22187defd 2f1090da .config console log report syz C ci-android-414-kasan-gce-root
2018/10/24 10:49 android-4.14 ff26b00b484b a8292de9 .config console log report syz C ci-android-414-kasan-gce-root
2018/10/22 16:40 android-4.14 c556d1ffe528 ecb386fe .config console log report syz C ci-android-414-kasan-gce-root
2018/10/19 11:34 android-4.14 0ff0788d6a66 9aba67b5 .config console log report syz C ci-android-414-kasan-gce-root
2018/10/13 12:34 android-4.14 48091d94336e caf12900 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/23 17:30 android-4.14 666c420fa3ea 37079712 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/21 22:06 android-4.14 666c420fa3ea 37079712 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/04 14:57 android-4.14 47350a9f13c6 a4718693 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/04 09:27 android-4.14 47350a9f13c6 a4718693 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/03 12:22 android-4.14 47350a9f13c6 a4718693 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/02 07:20 android-4.14 47350a9f13c6 a4718693 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/01 21:46 android-4.14 47350a9f13c6 a4718693 .config console log report syz C ci-android-414-kasan-gce-root
2018/09/01 02:12 android-4.14 47350a9f13c6 a4718693 .config console log report syz C ci-android-414-kasan-gce-root
2018/08/31 14:02 android-4.14 47350a9f13c6 a4718693 .config console log report syz C ci-android-414-kasan-gce-root
2018/08/30 23:50 android-4.14 47350a9f13c6 938220fd .config console log report syz C ci-android-414-kasan-gce-root
2018/11/27 10:40 android-4.14 ea91d158d712 ac912200 .config console log report syz ci-android-414-kasan-gce-root
2018/11/25 00:03 android-4.14 ea91d158d712 ecc7c870 .config console log report syz ci-android-414-kasan-gce-root
2018/11/23 17:18 android-4.14 ea91d158d712 2b0dc848 .config console log report syz ci-android-414-kasan-gce-root
2018/09/04 00:15 android-4.14 47350a9f13c6 a4718693 .config console log report syz ci-android-414-kasan-gce-root
2019/04/30 12:03 android-4.14 ffa22221c473 20f16bef .config console log report ci-android-414-kasan-gce-root
2019/04/30 00:09 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/29 21:57 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/29 19:48 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/29 17:24 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/29 10:19 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/29 08:14 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/29 03:16 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 23:46 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 22:25 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 21:19 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 19:38 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 18:09 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 16:47 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 16:05 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 14:59 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 13:54 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 12:29 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 10:31 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 08:32 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 07:08 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 05:43 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 02:06 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/28 01:18 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 23:25 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 17:54 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 16:10 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 11:01 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 09:32 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 08:24 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 06:55 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 05:38 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 04:06 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 02:43 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/27 00:47 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 20:47 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 19:40 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 18:17 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 16:16 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 11:36 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 10:24 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 09:22 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 08:22 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 03:35 android-4.14 ffa22221c473 b617407b .config console log report ci-android-414-kasan-gce-root
2019/04/26 02:32 android-4.14 ffa22221c473 f46aabc8 .config console log report ci-android-414-kasan-gce-root
2018/08/30 03:41 android-4.14 47350a9f13c6 6c7e9d3d .config console log report ci-android-414-kasan-gce-root
* Struck through repros no longer work on HEAD.