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BUG: soft lockup in do_idle

Status: upstream: reported C repro on 2023/05/29 19:14
Bug presence: origin:upstream
[Documentation on labels]
Reported-by: syzbot+633b0e027cd92402692b@syzkaller.appspotmail.com
First crash: 326d, last: 4h09m
Fix bisection: failed (error log, bisect log)
  
▶ ▼ Bug presence (1)
Date Name Commit Repro Result
2023/05/30 upstream (ToT) 8b817fded42d C [report] BUG: soft lockup in gc_worker
▶ ▼ Similar bugs (7)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream INFO: rcu detected stall in do_idle acpi C done error 1828 4d08h 2015d 0/26 upstream: reported C repro on 2018/10/13 07:31
linux-6.1 BUG: soft lockup in do_idle origin:upstream C 15 13d 314d 0/3 upstream: reported C repro on 2023/06/10 08:51
linux-4.19 INFO: rcu detected stall in do_idle (2) 2 724d 724d 0/1 auto-closed as invalid on 2022/08/24 07:48
linux-4.14 INFO: rcu detected stall in do_idle (2) C error 4 599d 728d 0/1 upstream: reported C repro on 2022/04/22 10:09
android-414 INFO: rcu detected stall in do_idle 1 2044d 2044d 0/1 auto-closed as invalid on 2019/03/13 10:31
linux-4.19 INFO: rcu detected stall in do_idle 1 1582d 1582d 0/1 auto-closed as invalid on 2020/04/18 00:25
linux-4.14 INFO: rcu detected stall in do_idle 4 1677d 1683d 0/1 auto-closed as invalid on 2020/01/14 08:59

Sample crash report:
hrtimer: interrupt took 41030560 ns
watchdog: BUG: soft lockup - CPU#0 stuck for 32s! [swapper/0:0]
Modules linked in:
irq event stamp: 201474
hardirqs last  enabled at (201473): [<ffff800011a505f0>] default_idle_call+0xb8/0x4a8 kernel/sched/idle.c:109
hardirqs last disabled at (201474): [<ffff80001197aab0>] enter_el1_irq_or_nmi+0x10/0x1c arch/arm64/kernel/entry-common.c:227
softirqs last  enabled at (201426): [<ffff800008021c64>] softirq_handle_end kernel/softirq.c:401 [inline]
softirqs last  enabled at (201426): [<ffff800008021c64>] __do_softirq+0xb5c/0xdb0 kernel/softirq.c:587
softirqs last disabled at (200703): [<ffff8000081b6568>] do_softirq_own_stack include/asm-generic/softirq_stack.h:10 [inline]
softirqs last disabled at (200703): [<ffff8000081b6568>] invoke_softirq kernel/softirq.c:439 [inline]
softirqs last disabled at (200703): [<ffff8000081b6568>] __irq_exit_rcu+0x264/0x4d4 kernel/softirq.c:637
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.152-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : arch_local_irq_enable+0xc/0x18 arch/arm64/include/asm/irqflags.h:44
lr : arch_cpu_idle+0x14/0x20 arch/arm64/kernel/idle.c:45
sp : ffff800014887cb0
x29: ffff800014887cb0 x28: dfff800000000000 x27: 1ffff00002910fa4
x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000001
x23: 1ffff00002921a62 x22: 0000000000000000 x21: dfff800000000000
x20: ffff80001490d310 x19: ffff800014933e00 x18: 1fffe000368fe78e
x17: 1fffe000368fe78e x16: ffff800008060f60 x15: ffff8000149aec00
x14: 1ffff0000292206a x13: dfff800000000000 x12: 0000000000000003
x11: 0000000000000001 x10: 0000000000000003 x9 : 0000000000000000
x8 : 00000000000000e0 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80001197bc14
x2 : 0000000000000001 x1 : ffff800011acad00 x0 : ffff80019ff93000
Call trace:
 arch_local_irq_enable+0xc/0x18 arch/arm64/include/asm/irqflags.h:35
 default_idle_call+0xcc/0x4a8 kernel/sched/idle.c:112
 cpuidle_idle_call kernel/sched/idle.c:194 [inline]
 do_idle+0x1d4/0x4dc kernel/sched/idle.c:306
 cpu_startup_entry+0x24/0x28 kernel/sched/idle.c:403
 rest_init+0x364/0x38c init/main.c:738
 arch_call_rest_init+0x14/0x20 init/main.c:890
 start_kernel+0x440/0x600 init/main.c:1137
 __primary_switched+0xa8/0xb0 arch/arm64/kernel/head.S:468

Crashes (27):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2024/03/26 17:52 linux-5.15.y b95c01af2113 bcd9b39f .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in do_idle
2024/03/20 06:51 linux-5.15.y b95c01af2113 a485f239 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in do_idle
2024/03/14 20:29 linux-5.15.y 574362648507 8d8ee116 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in do_idle
2024/03/06 03:43 linux-5.15.y 80efc6265290 f39a7eed .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in do_idle
2023/05/29 19:13 linux-5.15.y 1fe619a7d252 cf184559 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in do_idle
2023/06/11 10:58 linux-5.15.y 7349e40704a0 49519f06 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 BUG: soft lockup in do_idle
2024/04/19 16:30 linux-5.15.y c52b9710c83d af24b050 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/11/22 04:19 linux-5.15.y 2a910f4af54d cb976f63 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/08/23 09:04 linux-5.15.y f6f7927ac664 b81ca3f6 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/07/16 13:12 linux-5.15.y d54cfc420586 35d9ecc5 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/06/02 21:02 linux-5.15.y 0ab06468cbd1 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/06/24 12:34 linux-5.15.y f67653019430 79782afc .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in do_idle
2023/06/06 23:13 linux-5.15.y d7af3e5ba454 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in do_idle
2023/06/03 05:54 linux-5.15.y 0ab06468cbd1 a4ae4f42 .config console log report syz C [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan-arm64 INFO: rcu detected stall in do_idle
2024/04/06 17:54 linux-5.15.y 9465fef4ae35 ca620dd8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2024/03/24 05:27 linux-5.15.y b95c01af2113 0ea90952 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2024/03/23 06:23 linux-5.15.y b95c01af2113 0ea90952 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2024/01/04 07:14 linux-5.15.y d93fa2c78854 28c42cff .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/12/05 23:39 linux-5.15.y 9b91d36ba301 858d62d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/12/05 23:09 linux-5.15.y 9b91d36ba301 858d62d1 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/11/08 20:31 linux-5.15.y 80529b4968a8 b93f63e8 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/11/06 14:25 linux-5.15.y 12952a23a5da 78fae24e .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/09/11 15:15 linux-5.15.y aff03380bda4 59da8366 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/08/30 20:45 linux-5.15.y 9e43368a3393 84803932 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/08/28 13:55 linux-5.15.y 5ddfe5cc8716 7ba13a15 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/06/12 23:39 linux-5.15.y 7349e40704a0 aaed0183 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
2023/06/06 02:04 linux-5.15.y d7af3e5ba454 a4ae4f42 .config console log report info [disk image] [vmlinux] [kernel image] ci2-linux-5-15-kasan INFO: rcu detected stall in do_idle
* Struck through repros no longer work on HEAD.