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BUG: soft lockup in smp_call_function

Status: upstream: reported C repro on 2024/04/02 06:05
Bug presence: origin:upstream
Labels: missing-backport
[Documentation on labels]
Reported-by: syzbot+0c78669af74220668cbf@syzkaller.appspotmail.com
First crash: 413d, last: 9d04h
Fix bisection the fix commit could be any of (bisect log):
  ea22d4195cca riscv: prevent pt_regs corruption for secondary idle threads
  ceab795a67dd ALSA: timer: Set lower bound of start tick time
   
▶ ▼ Bug presence (4)
Date Name Commit Repro Result
2024/12/27 android14-6.1 (ToT) 4c2d86d81fa6 C [report] no output from test machine
2024/09/20 lts (merge base) ae9f2a70d69e C [report] no output from test machine
2024/09/20 upstream (ToT) baeb9a7d8b60 C [report] no output from test machine
2024/12/27 upstream (ToT) d6ef8b40d075 C Didn't crash
▶ ▼ Similar bugs (10)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: soft lockup in smp_call_function C error 2 994d 1123d 0/1 upstream: reported C repro on 2022/04/23 05:26
upstream BUG: soft lockup in smp_call_function kernel C done 1530 2d07h 1772d 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 23d 794d 0/3 upstream: reported C repro on 2023/03/18 00:36
android-54 BUG: soft lockup in smp_call_function 1 1292d 1292d 0/2 auto-closed as invalid on 2022/03/05 18:04
linux-4.14 BUG: soft lockup in smp_call_function C 1 820d 1123d 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 219 1d22h 793d 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 29d 806d 0/2 upstream: reported C repro on 2023/03/05 21:20
android-54 BUG: soft lockup in smp_call_function (2) C 41 20d 478d 0/2 upstream: reported C repro on 2024/01/28 03:58
android-5-10 BUG: soft lockup in smp_call_function C error 111 5d03h 667d 0/2 upstream: reported C repro on 2023/07/22 22:59
upstream INFO: rcu detected stall in smp_call_function perf C 107 1501d 1756d 20/28 fixed on 2021/04/13 06:26
▶ ▼ Last patch testing requests (2)
Created Duration User Patch Repo Result
2024/09/25 09:23 11m retest repro android14-6.1 log
2024/09/25 09:23 18m retest repro android14-6.1 report log

Sample crash report:
 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>
watchdog: BUG: soft lockup - CPU#1 stuck for 226s! [kworker/u4:0:8]
Modules linked in:
CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 6.1.75-syzkaller-00123-g60534eef4739 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline]
RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x10/0x60 kernel/kcov.c:207
Code: 89 fb e8 13 00 00 00 48 8b 3d 54 a7 d9 05 48 89 de e8 64 1e 46 00 5b 5d c3 cc 55 48 89 e5 48 8b 45 08 65 48 8b 0d 90 0f 8d 7e <65> 8b 15 91 0f 8d 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74
RSP: 0018:ffffc90000087830 EFLAGS: 00000202
RAX: ffffffff816bc3fc RBX: 1ffff1103ee07919 RCX: ffff888100382880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000087830 R08: ffffffff816bc3c5 R09: ffffed103ee2707b
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000800000000 R14: ffff8881f703c8c8 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff85c16818 CR3: 0000000006c0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 csd_lock_wait kernel/smp.c:453 [inline]
 smp_call_function_many_cond+0x86c/0x930 kernel/smp.c:998
 on_each_cpu_cond_mask+0x40/0x80 kernel/smp.c:1166
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1329 [inline]
 text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1529
 text_poke_flush arch/x86/kernel/alternative.c:1720 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1727
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:455
 jump_label_update+0x3af/0x450 kernel/jump_label.c:801
 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:804
 process_one_work+0x73d/0xcb0 kernel/workqueue.c:2299
 worker_thread+0xa60/0x1260 kernel/workqueue.c:2446
 kthread+0x26d/0x300 kernel/kthread.c:386
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
 </TASK>

Crashes (202):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/04/05 17:02 android14-6.1 60534eef4739 77230c29 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2024/04/02 05:56 android14-6.1 931187cc187d 6baf5069 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2024/10/08 18:53 android14-6.1 0e8b65e41ffd 402f1df0 .config console log report syz / log [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2024/04/16 10:28 android14-6.1 77fec6cefe26 0d592ce4 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2024/04/02 06:31 android14-6.1 931187cc187d 6baf5069 .config strace log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2024/04/09 13:06 android14-6.1 338203a81721 f3234354 .config console log report syz [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/05/11 13:24 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/05/10 10:42 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/05/09 23:09 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/05/09 14:55 android14-6.1 646380b087a5 77908e5f .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/05/08 01:39 android14-6.1 646380b087a5 dbf35fa1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/05/05 02:47 android14-6.1 0c1a07d9c284 b0714e37 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/28 04:58 android14-6.1 a4fc1bef0501 c6b4fb39 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/04/24 23:15 android14-6.1 6a8cf1324d00 9882047a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/24 12:44 android14-6.1 6a8cf1324d00 9882047a .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/22 19:51 android14-6.1 642656a36791 53a8b9bd .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/22 12:29 android14-6.1 642656a36791 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/04/22 04:04 android14-6.1 9a57b389502a 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/21 18:46 android14-6.1 9a57b389502a 2a20f901 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/04/14 21:47 android14-6.1 19a0fb1d3513 0bd6db41 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/11 05:12 android14-6.1 6bd3b482a8f1 94486846 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/05 18:32 android14-6.1 ca24c52e3c25 c53ea9c9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/03 15:42 android14-6.1 3e6e324f5b47 996a9618 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/03 05:49 android14-6.1 3e6e324f5b47 996a9618 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/04/01 02:22 android14-6.1 df2dac406f15 36d76a97 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/30 02:57 android14-6.1 c1fd50266bd6 d3999433 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/29 03:38 android14-6.1 c1fd50266bd6 9a1a9e31 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/24 16:10 android14-6.1 5145d157731f 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/24 06:13 android14-6.1 5145d157731f 875573af .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/23 22:09 android14-6.1 5145d157731f 4e8d3850 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/23 01:39 android14-6.1 5145d157731f c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/22 20:54 android14-6.1 5145d157731f c6512ef7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/21 03:48 android14-6.1 da6a42c111c8 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/20 19:14 android14-6.1 da6a42c111c8 62330552 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/17 21:46 android14-6.1 f3c4686f770c ce3352cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/03/17 04:12 android14-6.1 33c9d4844afc e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/17 02:31 android14-6.1 33c9d4844afc e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/17 00:20 android14-6.1 33c9d4844afc e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/16 12:48 android14-6.1 33c9d4844afc e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/16 06:03 android14-6.1 33c9d4844afc e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/15 02:59 android14-6.1 4da91a8e563c e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/14 13:40 android14-6.1 27895588a299 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/14 09:48 android14-6.1 70d032fba5f4 e2826670 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/13 23:31 android14-6.1 70d032fba5f4 44be8b44 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
2025/03/13 05:02 android14-6.1 69a6dfc9c3cb 1a5d9317 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/12 05:23 android14-6.1 9bcabbda673a ee70e6db .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/10 01:56 android14-6.1 44db4837f75e 163f510d .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/04 10:59 android14-6.1 471a10d3af3b c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2025/03/03 23:19 android14-6.1 471a10d3af3b c3901742 .config console log report info [disk image] [vmlinux] [kernel image] ci2-android-6-1-perf BUG: soft lockup in smp_call_function
2024/04/14 05:54 android14-6.1 cfa154389a65 c8349e48 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-android-6-1 BUG: soft lockup in smp_call_function
* Struck through repros no longer work on HEAD.