syzbot


BUG: scheduling while atomic in exit_to_user_mode_loop

Status: upstream: reported C repro on 2023/12/30 11:52
Bug presence: origin:lts
[Documentation on labels]
Reported-by: syzbot+e90a272de8678bd17c2c@syzkaller.appspotmail.com
First crash: 168d, last: 1h35m
Bug presence (2)
Date Name Commit Repro Result
2023/12/30 lts (merge base) 082280fe94a0 C [report] BUG: scheduling while atomic in exit_to_user_mode_loop
2023/12/30 upstream (ToT) f016f7547aee C Didn't crash
Similar bugs (4)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream BUG: scheduling while atomic in exit_to_user_mode_loop ntfs3 syz error error 1 588d 615d 0/27 auto-obsoleted due to no activity on 2023/05/14 09:44
linux-6.1 BUG: scheduling while atomic in exit_to_user_mode_loop origin:lts-only C done 3 115d 168d 0/3 upstream: reported C repro on 2023/12/30 14:50
android-5-15 BUG: scheduling while atomic in exit_to_user_mode_loop origin:lts C 814 12d 168d 0/2 upstream: reported C repro on 2023/12/30 11:04
linux-5.15 BUG: scheduling while atomic in exit_to_user_mode_loop origin:lts-only syz unreliable 2 117d 123d 0/3 upstream: reported syz repro on 2024/02/12 22:31
Last patch testing requests (1)
Created Duration User Patch Repo Result
2024/01/13 12:29 6m retest repro android14-6.1 report log

Sample crash report:
BUG: scheduling while atomic: syz-executor154/290/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff82072cb9>] start_this_handle+0x379/0x2080 fs/jbd2/transaction.c:383
CPU: 0 PID: 290 Comm: syz-executor154 Not tainted 6.1.78-syzkaller-00006-gb22d7c4ca0d3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x1b lib/dump_stack.c:113
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5975
 schedule_debug kernel/sched/core.c:6002 [inline]
 __schedule+0xcf7/0x1550 kernel/sched/core.c:6637
 schedule+0xc3/0x180 kernel/sched/core.c:6820
 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:286 [inline]
 syscall_exit_to_user_mode+0x26/0x140 kernel/entry/common.c:297
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f05a84e55c7
Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdf35d2f68 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f05a84e55c7
RDX: 00007ffdf35d2f90 RSI: 00007ffdf35d3020 RDI: 00007ffdf35d3020
RBP: 00007ffdf35d3020 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffdf35d4090
R13: 00005555566d56c0 R14: 00007ffdf35d4090 R15: 000000000000009e
 </TASK>

Crashes (1047):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/13 13:34 android14-6.1 b22d7c4ca0d3 2aa5052f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/07 12:58 android14-6.1 62a4d78ddaf1 121701b6 .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/01 06:24 android14-6.1 92704e00b599 3113787f .config console log report syz / log C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/26 00:21 android14-6.1 68c821783c76 a10a183e .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/21 05:05 android14-6.1 34a15d350726 c0f1611a .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/20 23:17 android14-6.1 34a15d350726 c0f1611a .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/20 19:58 android14-6.1 34a15d350726 c0f1611a .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/15 04:18 android14-6.1 039d2a958c13 fdb4c10c .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/12 11:53 android14-6.1 4d55129aea65 9026e142 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/06 16:02 android14-6.1 1794308d463f d884b519 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/06 09:18 android14-6.1 1794308d463f 610f2a54 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/04 22:52 android14-6.1 1794308d463f 610f2a54 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/04 20:59 android14-6.1 1794308d463f 610f2a54 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/04 14:40 android14-6.1 1794308d463f 610f2a54 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/04 11:26 android14-6.1 1794308d463f 610f2a54 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/28 12:41 android14-6.1 fa87a072a7fc 07b455f9 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/28 04:10 android14-6.1 fa87a072a7fc 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/27 20:24 android14-6.1 fa87a072a7fc 07b455f9 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/27 09:30 android14-6.1 fa87a072a7fc 07b455f9 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/27 00:16 android14-6.1 fa87a072a7fc 059e9963 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/26 23:56 android14-6.1 fa87a072a7fc 059e9963 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/23 01:04 android14-6.1 503add184388 36c961ad .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/22 16:56 android14-6.1 dcb09569bbff 36c961ad .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/22 02:15 android14-6.1 dcb09569bbff af24b050 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/19 04:34 android14-6.1 dcb09569bbff af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/19 03:52 android14-6.1 dcb09569bbff af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/18 00:17 android14-6.1 141ebdcb283b acc528cb .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/17 22:54 android14-6.1 141ebdcb283b acc528cb .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/17 13:24 android14-6.1 089d1b8f6daf 18f6e127 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/17 12:48 android14-6.1 089d1b8f6daf 18f6e127 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/15 22:42 android14-6.1 26f2c9be9ebe b9af7e61 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/15 21:37 android14-6.1 99aea323a3fd b9af7e61 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/15 08:56 android14-6.1 b76ed1185975 c8349e48 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/14 22:15 android14-6.1 b76ed1185975 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/14 14:17 android14-6.1 b76ed1185975 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/14 09:46 android14-6.1 cfa154389a65 c8349e48 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/14 02:58 android14-6.1 cfa154389a65 c8349e48 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/14 01:45 android14-6.1 cfa154389a65 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2023/12/30 11:51 android14-6.1 d3006fb9449d fb427a07 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/21 23:53 android14-6.1 dcb09569bbff af24b050 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/21 23:26 android14-6.1 dcb09569bbff af24b050 .config strace log report syz [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/13 00:47 android14-6.1 cfa154389a65 c8349e48 .config strace log report syz [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/15 13:44 android14-6.1 25216be1ac5e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/15 10:55 android14-6.1 25216be1ac5e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/15 01:31 android14-6.1 25216be1ac5e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/14 17:43 android14-6.1 25216be1ac5e 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/14 13:30 android14-6.1 4c45e2f34089 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/12 05:46 android14-6.1 65aed0e2f758 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/12 03:55 android14-6.1 65aed0e2f758 4d75f4f7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/11 02:15 android14-6.1 ac9706483e98 048c640a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/09 13:56 android14-6.1 ac9706483e98 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/09 07:10 android14-6.1 ac9706483e98 82c05ab8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/06 18:09 android14-6.1 bfacfd198eca 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/06 14:50 android14-6.1 e4622d460ed8 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/06 04:07 android14-6.1 e4622d460ed8 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/05 02:19 android14-6.1 9fcc2459efcd e1e2c66e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/03 18:13 android14-6.1 997e6b3f6a21 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/03 16:53 android14-6.1 997e6b3f6a21 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/03 11:03 android14-6.1 997e6b3f6a21 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/03 08:04 android14-6.1 74c507aab139 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/06/01 00:55 android14-6.1 92704e00b599 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/31 22:58 android14-6.1 92704e00b599 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/31 11:12 android14-6.1 6b75fd483519 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/31 10:00 android14-6.1 6b75fd483519 0c378259 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/29 20:14 android14-6.1 dd875b63669a 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/28 10:07 android14-6.1 68c821783c76 f550015e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/27 09:18 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/27 06:19 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/27 00:07 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/26 19:15 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/26 17:29 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/26 11:39 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/26 03:52 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/26 02:36 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/25 23:34 android14-6.1 68c821783c76 a10a183e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/23 06:41 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/23 04:04 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/23 02:03 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/22 20:39 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/22 17:58 android14-6.1 0a5aada71cc9 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/22 06:31 android14-6.1 0a5aada71cc9 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/21 21:30 android14-6.1 0a5aada71cc9 1014eca7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/21 12:45 android14-6.1 34a15d350726 4c0d3ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/21 01:00 android14-6.1 34a15d350726 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/20 23:38 android14-6.1 34a15d350726 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/19 09:16 android14-6.1 bd552fcbbd0f c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/18 21:20 android14-6.1 4ed706c20a76 c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
* Struck through repros no longer work on HEAD.