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BUG: soft lockup in smp_call_function

Status: upstream: reported C repro on 2023/07/22 22:59
Reported-by: syzbot+a47a3be3b3669f03dbd0@syzkaller.appspotmail.com
First crash: 657d, last: 8h39m
Cause bisection: failed (error log, bisect log)
  
▶ ▼ Similar bugs (12)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-1 BUG: soft lockup in smp_call_function origin:upstream missing-backport C inconclusive 194 12h54m 391d 0/2 upstream: reported C repro on 2024/04/02 06:05
linux-4.19 BUG: soft lockup in smp_call_function C error 2 972d 1101d 0/1 upstream: reported C repro on 2022/04/23 05:26
upstream BUG: soft lockup in smp_call_function kernel C done 1515 4d16h 1750d 0/28 upstream: reported C repro on 2020/07/12 23:02
linux-6.1 BUG: soft lockup in smp_call_function origin:upstream C 131 1d12h 772d 0/3 upstream: reported C repro on 2023/03/18 00:36
android-54 BUG: soft lockup in smp_call_function 1 1269d 1269d 0/2 auto-closed as invalid on 2022/03/05 18:04
linux-4.14 BUG: soft lockup in smp_call_function C 1 798d 1101d 0/1 upstream: reported C repro on 2022/04/23 04:43
linux-5.15 BUG: soft lockup in smp_call_function missing-backport origin:lts-only C error 212 3d20h 771d 0/3 upstream: reported C repro on 2023/03/19 12:10
android-5-15 BUG: soft lockup in smp_call_function origin:upstream C error inconclusive 942 7d16h 784d 0/2 upstream: reported C repro on 2023/03/05 21:20
android-54 BUG: soft lockup in smp_call_function (2) C 40 11d 456d 0/2 upstream: reported C repro on 2024/01/28 03:58
upstream INFO: rcu detected stall in smp_call_function perf C 107 1479d 1734d 20/28 fixed on 2021/04/13 06:26
upstream BUG: soft lockup in smp_call_function_single (2) kernel 1 2422d 2422d 0/28 auto-closed as invalid on 2019/03/09 01:12
upstream BUG: soft lockup in smp_call_function_single bpf 24 2427d 2482d 0/28 closed as invalid on 2018/09/05 12:51
▶ ▼ Last patch testing requests (10)
Created Duration User Patch Repo Result
2025/04/04 20:41 9m retest repro android13-5.10-lts report log
2025/04/04 20:41 11m retest repro android13-5.10-lts report log
2025/04/04 20:41 5m retest repro android13-5.10-lts report log
2025/04/04 20:41 12m retest repro android13-5.10-lts report log
2025/01/24 14:12 15m retest repro android13-5.10-lts report log
2025/01/24 14:12 1h13m retest repro android13-5.10-lts log
2025/01/24 14:12 1h05m retest repro android13-5.10-lts report log
2025/01/05 07:26 12m retest repro android13-5.10-lts report log
2024/12/31 04:58 14m retest repro android13-5.10-lts report log
2024/11/10 19:11 11m retest repro android13-5.10-lts report log
▶ ▼ Fix bisection attempts (8)
Created Duration User Patch Repo Result
2024/10/24 01:00 1h36m bisect fix android13-5.10-lts OK (0) job log log
2024/09/21 09:06 1h38m bisect fix android13-5.10-lts OK (0) job log log
2024/03/06 04:47 1h31m bisect fix android13-5.10-lts OK (0) job log log
2024/01/28 13:58 1h42m bisect fix android13-5.10-lts OK (0) job log log
2023/12/27 20:08 1h15m bisect fix android13-5.10-lts OK (0) job log log
2023/11/27 03:16 1h15m bisect fix android13-5.10-lts OK (0) job log log
2023/10/27 16:05 1h15m bisect fix android13-5.10-lts OK (0) job log log
2023/09/26 09:47 1h15m bisect fix android13-5.10-lts OK (0) job log log

Sample crash report:
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299
watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [kworker/u4:1:9]
Modules linked in:
CPU: 0 PID: 9 Comm: kworker/u4:1 Not tainted 5.10.210-syzkaller-00394-g70b6ab09a34b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:229 [inline]
RIP: 0010:smp_call_function_single+0x278/0x510 kernel/smp.c:517
Code: 0f 85 18 02 00 00 44 8b 6c 24 48 44 89 ee 83 e6 01 31 ff e8 7a f0 0a 00 41 83 e5 01 75 0a e8 bf ec 0a 00 e9 eb 00 00 00 f3 90 <42> 0f b6 04 23 84 c0 75 15 f7 44 24 48 01 00 00 00 0f 84 cd 00 00
RSP: 0018:ffffc90000097720 EFLAGS: 00000293
RAX: ffffffff815fbd64 RBX: 1ffff92000012eed RCX: ffff8881002513c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000097810 R08: ffffffff815fbd36 R09: ffffed103ee2aec9
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: ffffc90000097768 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f33caa100d0 CR3: 000000000660f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 smp_call_function_many_cond+0x94e/0xa30 kernel/smp.c:653
 smp_call_function_many kernel/smp.c:716 [inline]
 smp_call_function kernel/smp.c:738 [inline]
 on_each_cpu+0xa8/0x1a0 kernel/smp.c:837
 text_poke_sync arch/x86/kernel/alternative.c:1313 [inline]
 text_poke_bp_batch+0x1d4/0x600 arch/x86/kernel/alternative.c:1504
 text_poke_flush arch/x86/kernel/alternative.c:1672 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1679
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:126
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x379/0x400 kernel/jump_label.c:825
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
 static_key_enable+0x1a/0x30 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x450 mm/kfence/core.c:624
 process_one_work+0x6dc/0xbd0 kernel/workqueue.c:2301
 worker_thread+0xaea/0x1510 kernel/workqueue.c:2447
 kthread+0x34b/0x3d0 kernel/kthread.c:313
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:299

Crashes (106):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/05/09 02:11 android13-5.10-lts 70b6ab09a34b 20bf80e1 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/04/18 15:42 android13-5.10-lts d82f901b3eb5 af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/04/02 08:09 android13-5.10-lts e7daca75b4c3 6baf5069 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/04/02 08:06 android13-5.10-lts e7daca75b4c3 6baf5069 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/04/02 03:55 android13-5.10-lts e7daca75b4c3 6baf5069 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/03/24 01:47 android13-5.10-lts e7daca75b4c3 0ea90952 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2023/07/22 22:47 android13-5.10-lts 59b65efafe20 27cbe77f .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/04/16 10:28 android13-5.10-lts 4e1bc8d8e8ae 0d592ce4 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/04/14 01:00 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/04/13 20:23 android13-5.10-lts 4e1bc8d8e8ae c8349e48 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/04/27 10:52 android13-5.10-lts 70b6ab09a34b 07b455f9 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/04/21 22:37 android13-5.10-lts 8d3bb9cb3b7d af24b050 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2025/04/28 09:13 android13-5.10-lts ba8b8b193394 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2025/04/15 18:36 android13-5.10-lts ba8b8b193394 23b969b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/04/14 01:15 android13-5.10-lts e0b88ee5f09c 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2025/03/21 14:59 android13-5.10-lts 094fc3778d6b 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/03/12 22:16 android13-5.10-lts 3f5f2283d684 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/03/07 00:41 android13-5.10-lts 3f5f2283d684 831e3629 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/03/04 23:24 android13-5.10-lts 3f5f2283d684 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/03/02 06:08 android13-5.10-lts 3f5f2283d684 c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/03/01 15:37 android13-5.10-lts 3f5f2283d684 67cf5345 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/02/25 23:51 android13-5.10-lts 3f5f2283d684 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/02/23 22:54 android13-5.10-lts 3f5f2283d684 d34966d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/02/21 02:54 android13-5.10-lts 6686f2996d23 0808a665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/02/20 12:13 android13-5.10-lts 6686f2996d23 50668798 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/02/19 06:48 android13-5.10-lts 6686f2996d23 9a14138f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/02/17 13:42 android13-5.10-lts 6686f2996d23 4121cf9d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/02/04 06:24 android13-5.10-lts fbe98d68b6b3 8f267cef .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/01/30 10:30 android13-5.10-lts fbe98d68b6b3 afe4eff5 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2025/01/26 15:45 android13-5.10-lts fbe98d68b6b3 9fbd772e .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2025/01/09 22:51 android13-5.10-lts 49e8ba0a684f 9220929f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/12/15 08:03 android13-5.10-lts a359b995b6bb 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/12/15 00:26 android13-5.10-lts a359b995b6bb 7cbfbb3a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/12/01 17:23 android13-5.10-lts 139a6bb26d9d 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/11/30 16:58 android13-5.10-lts 139a6bb26d9d 68914665 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/11/23 18:05 android13-5.10-lts b14940b90491 68da6d95 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/11/15 03:32 android13-5.10-lts 6a01908517df a8c99394 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/10/27 11:32 android13-5.10-lts e5e5644ea27f 65e8686b .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/08/04 07:23 android13-5.10-lts fd58936f3c1f 1786a2a8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/07/29 09:32 android13-5.10-lts fd58936f3c1f 46eb10b7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/07/15 20:48 android13-5.10-lts 3feee789f446 e8709b21 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/07/14 16:53 android13-5.10-lts 3feee789f446 eaeb5c15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/07/09 12:32 android13-5.10-lts 3feee789f446 bc23a442 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/07/08 10:53 android13-5.10-lts 3feee789f446 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/07/07 22:55 android13-5.10-lts 3feee789f446 2a40360c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/06/24 05:24 android13-5.10-lts b58b8f9dad93 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/06/23 16:51 android13-5.10-lts b58b8f9dad93 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/06/22 15:17 android13-5.10-lts b58b8f9dad93 edc5149a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/06/17 23:54 android13-5.10-lts b58b8f9dad93 1f11cfd7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/06/15 13:30 android13-5.10-lts e6f44899ce5d f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/06/03 00:33 android13-5.10-lts 22b064ea5cbc 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/06/02 23:29 android13-5.10-lts 22b064ea5cbc 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/06/02 17:10 android13-5.10-lts 22b064ea5cbc 3113787f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/05/28 19:25 android13-5.10-lts a8e7f812fbc1 34889ee3 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/05/23 00:06 android13-5.10-lts a8e7f812fbc1 4d098039 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/05/18 00:17 android13-5.10-lts 70b6ab09a34b c0f1611a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/05/14 14:22 android13-5.10-lts 70b6ab09a34b fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/05/14 07:40 android13-5.10-lts 70b6ab09a34b fdb4c10c .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10-perf BUG: soft lockup in smp_call_function
2024/05/13 18:03 android13-5.10-lts 70b6ab09a34b 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
2024/05/13 11:12 android13-5.10-lts 70b6ab09a34b 9026e142 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-5-10 BUG: soft lockup in smp_call_function
* Struck through repros no longer work on HEAD.