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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: 128d, last: 3h54m
▶ ▼ 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 548d 575d 0/26 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 75d 128d 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 715 4h51m 128d 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 78d 84d 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-executor240/306/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8163ea6f>] is_module_text_address+0x1f/0x360 kernel/module/main.c:3140
CPU: 1 PID: 306 Comm: syz-executor240 Not tainted 6.1.75-syzkaller-00089-g1794308d463f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
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:5964
 schedule_debug kernel/sched/core.c:5991 [inline]
 __schedule+0xcf7/0x1550 kernel/sched/core.c:6626
 schedule+0xc3/0x180 kernel/sched/core.c:6809
 exit_to_user_mode_loop+0x4e/0xa0 kernel/entry/common.c:159
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:204
 irqentry_exit_to_user_mode+0x9/0x20 kernel/entry/common.c:310
 irqentry_exit+0x12/0x40 kernel/entry/common.c:413
 exc_page_fault+0x4f3/0x700 arch/x86/mm/fault.c:1565
 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f6d1ebd979e
Code: a8 07 00 31 c0 e8 d2 06 00 00 ba 12 00 00 00 bf 01 00 00 00 48 8d 35 ac a8 07 00 e8 bc 09 03 00 45 31 c0 31 f6 31 ff 45 31 c9 <89> 34 25 58 03 00 20 66 0f ef c0 31 f6 89 3c 25 6c 03 00 20 31 c0
RSP: 002b:00007ffd4bd67540 EFLAGS: 00010246
RAX: 0000000000000012 RBX: 0000000000000000 RCX: 00007f6d1ec0a160
RDX: 0000000000000012 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000f4240 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000006eb5
R13: 00007ffd4bd6754c R14: 00007ffd4bd67560 R15: 00007ffd4bd67550
 </TASK>

Crashes (911):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
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
2024/04/10 15:58 android14-6.1 5dc2bc296647 4320ec32 .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
2024/04/09 23:09 android14-6.1 5dc2bc296647 171ec371 .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
2024/04/09 13:36 android14-6.1 338203a81721 f3234354 .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
2024/04/09 08:20 android14-6.1 338203a81721 f3234354 .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
2024/04/08 00:14 android14-6.1 60534eef4739 ca620dd8 .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
2024/04/07 21:01 android14-6.1 60534eef4739 ca620dd8 .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
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
2024/04/12 10:13 android14-6.1 354782156070 27de0a5c .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
2024/04/11 08:22 android14-6.1 be55946e207c 33b9e058 .config strace log report syz [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/06 23:33 android14-6.1 1794308d463f fa7a5cf0 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/06 20:28 android14-6.1 1794308d463f d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/06 17:15 android14-6.1 1794308d463f d884b519 .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
2024/05/06 10:47 android14-6.1 1794308d463f d884b519 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/06 09:12 android14-6.1 1794308d463f 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/06 07:29 android14-6.1 1794308d463f 610f2a54 .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
2024/05/06 05:46 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 23:09 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 21:05 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 20:21 android14-6.1 1794308d463f 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/05 17:15 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 15:40 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 09:50 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 08:38 android14-6.1 1794308d463f 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/05 07:20 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 04:26 android14-6.1 1794308d463f 610f2a54 .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
2024/05/05 01:45 android14-6.1 1794308d463f 610f2a54 .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
2024/05/04 20:19 android14-6.1 1794308d463f 610f2a54 .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
2024/05/04 10:46 android14-6.1 1794308d463f 610f2a54 .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
2024/05/04 08:54 android14-6.1 1794308d463f 610f2a54 .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
2024/05/04 00:53 android14-6.1 1794308d463f 610f2a54 .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
2024/05/03 21:51 android14-6.1 1794308d463f dd26401e .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
2024/05/03 19:01 android14-6.1 1794308d463f dd26401e .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
2024/05/03 17:57 android14-6.1 1794308d463f dd26401e .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
2024/05/03 10:09 android14-6.1 1794308d463f dd26401e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/03 07:05 android14-6.1 1794308d463f ddfc15a1 .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
2024/05/03 05:38 android14-6.1 1794308d463f ddfc15a1 .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
2024/05/03 01:50 android14-6.1 1794308d463f ddfc15a1 .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
2024/05/02 20:27 android14-6.1 ea3c70fb959a 3ba885bc .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
2024/05/02 18:53 android14-6.1 ea3c70fb959a 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/02 06:45 android14-6.1 6657c436ed73 3ba885bc .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
2024/05/02 00:34 android14-6.1 6657c436ed73 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/01 23:25 android14-6.1 6657c436ed73 3ba885bc .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
2024/05/01 17:08 android14-6.1 1d37bc9913cc 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/05/01 15:00 android14-6.1 1d37bc9913cc 3ba885bc .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
2024/05/01 13:36 android14-6.1 1d37bc9913cc 3ba885bc .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
2024/05/01 13:36 android14-6.1 1d37bc9913cc 3ba885bc .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
2024/05/01 02:22 android14-6.1 1d37bc9913cc 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: scheduling while atomic in exit_to_user_mode_loop
2024/04/30 22:40 android14-6.1 6364d594125d 3ce4924c .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
2024/04/30 14:52 android14-6.1 6364d594125d 3ce4924c .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
2024/04/30 13:52 android14-6.1 6364d594125d 3ce4924c .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
2024/04/30 10:27 android14-6.1 4744b3a4ed72 f10afd69 .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
2024/04/30 09:10 android14-6.1 4744b3a4ed72 f10afd69 .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
* Struck through repros no longer work on HEAD.