BUG: soft lockup in net_tx

Date	Name	Commit	Repro	Result
2023/06/24	upstream (ToT)	a92b7d26c743	C	[report] BUG: soft lockup in net_tx_action

Date

Name

Commit

Repro

Result

2023/06/24

upstream (ToT)

a92b7d26c743

[report] BUG: soft lockup in net_tx_action

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	INFO: rcu detected stall in net_tx_action net	C	unreliable	done	36	4d21h	1035d	0/26	upstream: reported C repro on 2021/07/01 15:50
linux-4.19	BUG: soft lockup in net_tx_action				1	964d	964d	0/1	auto-closed as invalid on 2022/01/08 10:24
android-5-15	BUG: soft lockup in net_tx_action				1	253d	253d	0/2	auto-obsoleted due to no activity on 2023/11/20 11:28

upstream

INFO: rcu detected stall in net_tx_action net

unreliable

done

4d21h

1035d

0/26

upstream: reported C repro on 2021/07/01 15:50

linux-4.19

BUG: soft lockup in net_tx_action

964d

0/1

auto-closed as invalid on 2022/01/08 10:24

android-5-15

BUG: soft lockup in net_tx_action

253d

0/2

auto-obsoleted due to no activity on 2023/11/20 11:28


Created	Duration	User	Repo	Result
2024/04/21 16:54	2h28m	bisect fix	linux-5.15.y	job log (0) log
2024/03/21 11:57	1h50m	bisect fix	linux-5.15.y	job log (0) log
2024/02/20 08:26	1h59m	bisect fix	linux-5.15.y	job log (0) log
2024/01/10 06:15	2h01m	bisect fix	linux-5.15.y	job log (0) log
2023/12/11 01:38	2h21m	bisect fix	linux-5.15.y	job log (0) log
2023/11/10 17:51	2h08m	bisect fix	linux-5.15.y	job log (0) log
2023/10/07 22:37	2h13m	bisect fix	linux-5.15.y	job log (0) log
2023/08/18 03:56	3h13m	bisect fix	linux-5.15.y	job log (0) log

watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [swapper/0:0] Modules linked in: irq event stamp: 256677 hardirqs last enabled at (256676): [<ffffffff8137d332>] kvm_wait+0x1a2/0x200 hardirqs last disabled at (256677): [<ffffffff8a1afc0a>] sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1096 softirqs last enabled at (255866): [<ffffffff814d4d05>] invoke_softirq kernel/softirq.c:432 [inline] softirqs last enabled at (255866): [<ffffffff814d4d05>] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636 softirqs last disabled at (255879): [<ffffffff814d4d05>] invoke_softirq kernel/softirq.c:432 [inline] softirqs last disabled at (255879): [<ffffffff814d4d05>] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.15.118-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023 RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x1b4/0x200 arch/x86/kernel/kvm.c:918 Code: e0 48 c1 e8 03 42 0f b6 04 28 84 c0 75 42 45 0f b6 34 24 e8 fe 97 4e 00 44 3a 74 24 1c 75 10 66 90 0f 00 2d 3e 84 50 09 fb f4 <e9> c8 fe ff ff fb e9 c2 fe ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 54 RSP: 0018:ffffc90000007a60 EFLAGS: 00000246 RAX: a5010cc06e0c9600 RBX: 1ffff92000000f50 RCX: ffffffff8162db08 RDX: dffffc0000000000 RSI: ffffffff8a8afc60 RDI: ffffffff8ad86100 RBP: ffffc90000007b30 R08: dffffc0000000000 R09: fffffbfff1f79639 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807675e0f0 R13: dffffc0000000000 R14: 0000000000000003 R15: ffffc90000007aa0 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005636613a6030 CR3: 000000007d21d000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x269/0x370 kernel/locking/spinlock_debug.c:115 spin_lock include/linux/spinlock.h:363 [inline] net_tx_action+0x6c5/0x8e0 net/core/dev.c:5049 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:22 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x10f/0x340 drivers/acpi/processor_idle.c:570 Code: 9e 5b f7 48 83 e3 08 0f 85 0a 01 00 00 4c 8d 74 24 20 e8 94 0b 62 f7 0f 1f 44 00 00 e8 aa 9a 5b f7 0f 00 2d 13 00 be 00 fb f4 <4c> 89 f3 48 c1 eb 03 42 80 3c 3b 00 74 08 4c 89 f7 e8 0b f7 a4 f7 RSP: 0018:ffffffff8c607b80 EFLAGS: 000002d3 RAX: ffffffff8a245fa6 RBX: 0000000000000000 RCX: ffffffff8c6bb5c0 RDX: 0000000000000000 RSI: ffffffff8a8afc60 RDI: ffffffff8ad86100 RBP: ffffffff8c607c10 R08: ffffffff81866b60 R09: fffffbfff18d76b9 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff18c0f70 R13: ffff8880129df804 R14: ffffffff8c607ba0 R15: dffffc0000000000 acpi_idle_enter+0x352/0x4f0 drivers/acpi/processor_idle.c:705 cpuidle_enter_state+0x521/0xef0 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x59/0x90 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e4/0x670 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x491/0x53a init/main.c:1144 secondary_startup_64_no_verify+0xb1/0xbb </TASK>

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2023/06/23 13:57	linux-5.15.y	f67653019430	79782afc	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-linux-5-15-kasan	BUG: soft lockup in net_tx_action

Crashes (1):

Assets (help?)