syzbot


BUG: soft lockup in smp_call_function

Status: upstream: reported on 2023/03/18 00:36
Reported-by: syzbot+404835f31926b466eadd@syzkaller.appspotmail.com
First crash: 457d, last: 19h19m
Similar bugs (10)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-6-1 BUG: soft lockup in smp_call_function origin:upstream C 59 11h04m 75d 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 657d 785d 0/1 upstream: reported C repro on 2022/04/23 05:26
upstream BUG: soft lockup in smp_call_function kernel C done 1130 15h13m 1435d 0/27 upstream: reported C repro on 2020/07/12 23:02
android-54 BUG: soft lockup in smp_call_function 1 954d 954d 0/2 auto-closed as invalid on 2022/03/05 18:04
linux-4.14 BUG: soft lockup in smp_call_function C 1 483d 786d 0/1 upstream: reported C repro on 2022/04/23 04:43
linux-5.15 BUG: soft lockup in smp_call_function origin:upstream missing-backport C error 100 1d09h 455d 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 586 3h56m 469d 0/2 upstream: reported C repro on 2023/03/05 21:20
android-54 BUG: soft lockup in smp_call_function (2) C 23 16d 141d 0/2 upstream: reported C repro on 2024/01/28 03:58
android-5-10 BUG: soft lockup in smp_call_function C error 68 1d15h 330d 0/2 upstream: reported C repro on 2023/07/22 22:59
upstream INFO: rcu detected stall in smp_call_function perf C 107 1163d 1418d 20/27 fixed on 2021/04/13 06:26

Sample crash report:
watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:7644]
Modules linked in:
irq event stamp: 16152
hardirqs last  enabled at (16151): [<ffff800012161be0>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:84 [inline]
hardirqs last  enabled at (16151): [<ffff800012161be0>] exit_to_kernel_mode+0xe8/0x118 arch/arm64/kernel/entry-common.c:94
hardirqs last disabled at (16152): [<ffff80001215f8bc>] __el1_irq arch/arm64/kernel/entry-common.c:468 [inline]
hardirqs last disabled at (16152): [<ffff80001215f8bc>] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:486
softirqs last  enabled at (11368): [<ffff8000081c7f74>] softirq_handle_end kernel/softirq.c:414 [inline]
softirqs last  enabled at (11368): [<ffff8000081c7f74>] handle_softirqs+0xb84/0xd58 kernel/softirq.c:599
softirqs last disabled at (11299): [<ffff800008020174>] __do_softirq+0x14/0x20 kernel/softirq.c:605
CPU: 1 PID: 7644 Comm: syz-executor.3 Not tainted 6.1.93-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : csd_lock_wait kernel/smp.c:424 [inline]
pc : smp_call_function_many_cond+0x20f8/0x32b8 kernel/smp.c:998
lr : csd_lock_wait kernel/smp.c:424 [inline]
lr : smp_call_function_many_cond+0x2110/0x32b8 kernel/smp.c:998
sp : ffff80001e1e7380
x29: ffff80001e1e76e0 x28: 1fffe00036871a38 x27: ffff800015851130
x26: ffff80001e1e74e8 x25: ffff0001b4372348 x24: 0000000000000000
x23: dfff800000000000 x22: ffff0001b438d1c8 x21: 0000000000000011
x20: ffff80001e1e74e0 x19: ffff0001b438d1c0 x18: 1fffe0003686f176
x17: 6f74636573206169 x16: ffff8000083052a8 x15: 0000000000000002
x14: 0000000000000406 x13: ffff0000c434d340 x12: 0000000000040000
x11: 000000000003ffff x10: ffff80001eca9000 x9 : 0000000000000000
x8 : 0000000000000011 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff800008b346fc x3 : ffff800008451938
x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001
Call trace:
 __cmpwait_case_32 arch/arm64/include/asm/cmpxchg.h:252 [inline]
 __cmpwait arch/arm64/include/asm/cmpxchg.h:278 [inline]
 csd_lock_wait kernel/smp.c:424 [inline]
 smp_call_function_many_cond+0x20f8/0x32b8 kernel/smp.c:998
 on_each_cpu_cond_mask+0x5c/0xc4 kernel/smp.c:1166
 on_each_cpu_cond include/linux/smp.h:105 [inline]
 invalidate_bh_lrus+0x34/0x40 fs/buffer.c:1412
 kill_bdev block/bdev.c:75 [inline]
 set_blocksize+0x270/0x2e8 block/bdev.c:152
 sb_set_blocksize+0x54/0x108 block/bdev.c:161
 ntfs_init_from_boot fs/ntfs3/super.c:854 [inline]
 ntfs_fill_super+0x10d4/0x3458 fs/ntfs3/super.c:935
 get_tree_bdev+0x360/0x54c fs/super.c:1355
 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1359
 vfs_get_tree+0x90/0x274 fs/super.c:1562
 do_new_mount+0x278/0x8fc fs/namespace.c:3051
 path_mount+0x590/0xe5c fs/namespace.c:3381
 do_mount fs/namespace.c:3394 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount fs/namespace.c:3579 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3579
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585

Crashes (63):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/06/16 09:54 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/16 07:56 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/15 03:29 linux-6.1.y ae9f2a70d69e f429ab00 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/14 15:39 linux-6.1.y ae9f2a70d69e 8d849073 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/13 05:59 linux-6.1.y ae9f2a70d69e 2aa5052f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/06 08:22 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/04 06:12 linux-6.1.y 88690811da69 a1feae05 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/03 18:37 linux-6.1.y 88690811da69 0aba2352 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/05/15 14:56 linux-6.1.y 909ba1f1b414 94b087b1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/05/04 22:03 linux-6.1.y 909ba1f1b414 610f2a54 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/05/02 08:42 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/05/01 14:52 linux-6.1.y dcbc050cb0d3 3ba885bc .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/28 10:31 linux-6.1.y f2295faba5e8 07b455f9 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/26 08:22 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/24 19:35 linux-6.1.y 6741e066ec76 8bdc0f22 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/14 16:46 linux-6.1.y cd5d98c0556c c8349e48 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/11 04:33 linux-6.1.y bf1e3b1cb1e0 33b9e058 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/08 09:40 linux-6.1.y 347385861c50 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/06 23:00 linux-6.1.y 347385861c50 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/05 19:06 linux-6.1.y 347385861c50 77230c29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/03 03:42 linux-6.1.y e5cd595e23c1 7925100d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/04/01 20:51 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/03/31 12:57 linux-6.1.y e5cd595e23c1 6baf5069 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/03/29 07:02 linux-6.1.y e5cd595e23c1 c52bcb23 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/03/28 22:04 linux-6.1.y e5cd595e23c1 e91187ee .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/03/27 01:07 linux-6.1.y e5cd595e23c1 454571b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/03/20 05:45 linux-6.1.y d7543167affd a485f239 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/02/22 20:02 linux-6.1.y 8b4118fabd6e 8d446f15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/02/02 17:45 linux-6.1.y e5c3b988b827 60bf9982 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/01/31 12:32 linux-6.1.y 883d1a956208 373b66cd .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/01/28 22:02 linux-6.1.y 883d1a956208 cc4a4020 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/01/24 17:38 linux-6.1.y 8fd7f4462453 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/01/23 18:58 linux-6.1.y 8fd7f4462453 1e153dc8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/01/18 00:22 linux-6.1.y fec3b1451d5f 915053c7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/01/13 00:10 linux-6.1.y 7c58bfa711cb 551587c1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/01/12 01:42 linux-6.1.y 7c58bfa711cb dda5a988 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/11/11 16:21 linux-6.1.y fb2635ac69ab 6d6dbf8a .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/11/03 22:29 linux-6.1.y 4a61839152cc 500bfdc4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/10/25 17:45 linux-6.1.y 32c9cdbe383c 72e794c4 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/10/23 15:02 linux-6.1.y 7d24402875c7 989a3687 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/10/20 05:57 linux-6.1.y 7d24402875c7 a42250d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/10/11 01:31 linux-6.1.y 082280fe94a0 83165b57 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/09/28 07:13 linux-6.1.y d23900f974e0 c2ab1e5d .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/08/31 21:34 linux-6.1.y a2943d2d9a00 696ea0d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/04/24 08:59 linux-6.1.y f17b0ab65d17 2b32bd34 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: soft lockup in smp_call_function
2023/03/18 00:36 linux-6.1.y 7eaef76fbc46 7939252e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan BUG: soft lockup in smp_call_function
2023/08/18 16:21 linux-6.1.y 6c44e13dc284 acb1ba71 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/07/30 20:43 linux-6.1.y d2a6dc4eaf6d 2a0d0f29 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/07/30 02:06 linux-6.1.y d2a6dc4eaf6d 92476829 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/07/05 08:38 linux-6.1.y 0f4ac6b4c5f0 80298b6f .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/07/01 17:32 linux-6.1.y 0f4ac6b4c5f0 bfc47836 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/06/30 21:17 linux-6.1.y a1c449d00ff8 af3053d2 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/06/20 06:17 linux-6.1.y ca87e77a2ef8 09ffe269 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/06/15 00:51 linux-6.1.y ca87e77a2ef8 76decb82 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/06/14 17:57 linux-6.1.y ca87e77a2ef8 d2ee9228 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/06/05 14:15 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/06/05 11:26 linux-6.1.y 76ba310227d2 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/05/30 22:31 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/05/30 17:46 linux-6.1.y d2869ace6eeb df37c7f1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2023/05/15 15:58 linux-6.1.y bf4ad6fa4e53 c4d362e7 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-arm64 BUG: soft lockup in smp_call_function
2024/06/06 06:08 linux-6.1.y 88690811da69 121701b6 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in smp_call_function
2024/04/06 16:54 linux-6.1.y 347385861c50 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan INFO: rcu detected stall in smp_call_function
2023/09/23 21:35 linux-6.1.y d23900f974e0 0b6a67ac .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-6-1-kasan-perf INFO: rcu detected stall in smp_call_function
* Struck through repros no longer work on HEAD.