watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.3.135:1333]
Modules linked in:
CPU: 1 PID: 1333 Comm: syz.3.135 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__ptr_ring_discard_one include/linux/ptr_ring.h:272 [inline]
RIP: 0010:__ptr_ring_consume include/linux/ptr_ring.h:301 [inline]
RIP: 0010:__skb_array_consume include/linux/skb_array.h:98 [inline]
RIP: 0010:pfifo_fast_dequeue+0x676/0x2150 net/sched/sch_generic.c:678
Code: 84 02 00 00 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 0f 85 df 11 00 00 45 8b 24 24 44 89 ef 44 89 e6 e8 be e0 92 fd 44 8b 7d a8 <44> 89 ff 8b 5d 80 89 de e8 ad e0 92 fd 45 39 e5 0f 8d 8f 07 00 00
RSP: 0018:ffffc90000170240 EFLAGS: 00000246
RAX: 0000000000000502 RBX: ffff88811f041000 RCX: 1ffff11023e08248
RDX: ffff8881291f8000 RSI: 0000000000000010 RDI: 0000000000000006
RBP: ffffc900001702e0 R08: ffffffff83d7cda2 R09: ffffffff83d79ccb
R10: 0000000000000002 R11: ffff8881291f8000 R12: 0000000000000010
R13: 0000000000000006 R14: 0000000000000005 R15: 0000000000000006
FS:  00007f815fe3a6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f815fe19d58 CR3: 000000011fb15000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 dequeue_skb net/sched/sch_generic.c:286 [inline]
 qdisc_restart net/sched/sch_generic.c:391 [inline]
 __qdisc_run+0x261/0x1df0 net/sched/sch_generic.c:409
 qdisc_run+0x121/0x330 include/net/pkt_sched.h:127
 __dev_xmit_skb net/core/dev.c:3799 [inline]
 __dev_queue_xmit+0xcf0/0x28e0 net/core/dev.c:4155
 dev_queue_xmit+0x17/0x20 net/core/dev.c:4223
 neigh_resolve_output+0x6b8/0x760 net/core/neighbour.c:1509
 neigh_output include/net/neighbour.h:517 [inline]
 ip6_finish_output2+0xf21/0x1850 net/ipv6/ip6_output.c:145
 __ip6_finish_output+0x5ec/0x780 net/ipv6/ip6_output.c:216
 ip6_finish_output+0x34/0x1e0 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:288 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:249
 dst_output include/net/dst.h:437 [inline]
 NF_HOOK include/linux/netfilter.h:299 [inline]
 ndisc_send_skb+0x6e9/0xc00 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:finish_task_switch+0x1ca/0x5a0 kernel/sched/core.c:3905
Code: 00 f7 03 20 00 00 00 0f 85 fd 00 00 00 49 8d 7f 68 be 04 00 00 00 e8 85 ed 5e 00 f0 41 ff 4f 68 74 1c 48 81 7d c0 80 00 00 00 <74> 24 4c 89 e0 48 83 c4 28 5b 41 5c 41 5d 41 5e 41 5f 5d c3 4c 89
RSP: 0018:ffffc90000f87c00 EFLAGS: 00000287
RAX: 0000000000000000 RBX: ffff8881291f8ab8 RCX: 0000000000000002
RDX: 0000000040000002 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000f87c50 R08: ffffffff8188e689 R09: fffffbfff0dc7623
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7155fc0
R13: ffff8881291f8000 R14: dffffc0000000000 R15: 0000000000000000
 context_switch kernel/sched/core.c:4049 [inline]
 __schedule+0xbee/0x1330 kernel/sched/core.c:4804
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:5065
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:exit_to_user_mode_loop+0x41/0xd0 kernel/entry/common.c:159
Code: 89 fe eb 22 e8 70 4a 52 00 e8 7b a7 f0 00 fa 65 48 8b 05 b2 03 a9 7e 48 8b 18 f7 c3 0e 30 08 00 0f 84 87 00 00 00 fb f6 c3 08 <74> 05 e8 e8 dc 57 03 f7 c3 00 10 00 00 74 08 4c 89 f7 e8 f8 70 34
RSP: 0000:ffffc90000f87ee0 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffff8881291f8000
RDX: 1ffff1102523f004 RSI: 0000000000000008 RDI: ffffc90000f87f58
RBP: ffffc90000f87ef0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: ffffffff84c00c7a
R13: 0000000000000000 R14: ffffc90000f87f58 R15: 0000000000000000
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 irqentry_exit_to_user_mode+0x4e/0x80 kernel/entry/common.c:287
 irqentry_exit+0x12/0x60 kernel/entry/common.c:375
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0033:0x7f81611e1ef9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f815fe3a038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f816139a058 RCX: 00007f81611e1ef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f8161254b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f816139a058 R15: 00007ffd015a2418
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1141 Comm: syz.4.119 Not tainted 5.10.225-syzkaller-00513-g8d23314f588a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x60 kernel/kcov.c:190
Code: 00 00 0f 0b 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d b4 fe 78 05 48 89 de e8 74 f0 3c 00 5b 5d c3 cc 55 <48> 89 e5 48 8b 45 08 65 48 8b 0d 90 c0 97 7e 65 8b 15 95 c0 97 7e
RSP: 0018:ffffc900000075a8 EFLAGS: 00000002
RAX: 0000000000010103 RBX: 0000000000000001 RCX: ffffffff8708b903
RDX: ffff88811dc7cf00 RSI: 0000000000000000 RDI: ffff88812bf65b30
RBP: ffffc900000075d8 R08: ffffffff8177aef1 R09: ffffed10257ecb68
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000000000 R14: ffff88812bf65b30 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f816136b000 CR3: 0000000134fac000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 irq_work_queue+0xaa/0x160 kernel/irq_work.c:75
 __perf_event_overflow+0x272/0x350 kernel/events/core.c:9064
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10463
 __run_hrtimer kernel/time/hrtimer.c:1585 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1649
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1711
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1083 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1100
 run_sysvec_on_irqstack_cond arch/x86/include/asm/irq_stack.h:91 [inline]
 sysvec_apic_timer_interrupt+0xba/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:memcpy_erms+0x6/0x10 arch/x86/lib/memcpy_64.S:55
Code: cc cc cc cc eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 <f3> a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe
RSP: 0018:ffffc90000007be8 EFLAGS: 00010202
RAX: ffff888126ce6442 RBX: ffffffff842d57b7 RCX: 0000000000000006
RDX: 0000000000000006 RSI: ffff888120c33710 RDI: ffff888126ce6442
RBP: ffffc90000007c18 R08: dffffc0000000000 R09: ffffed1024d9cc89
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000006
R13: 0000000000000000 R14: ffff888120c33710 R15: ffff888126ce6442
 __ndisc_fill_addr_option net/ipv6/ndisc.c:158 [inline]
 ndisc_fill_addr_option net/ipv6/ndisc.c:170 [inline]
 ndisc_send_rs+0x457/0x6a0 net/ipv6/ndisc.c:701
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3964
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1450
 expire_timers kernel/time/timer.c:1495 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1789
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1802
 __do_softirq+0x268/0x5bb kernel/softirq.c:309
 asm_call_irq_on_stack+0xf/0x20
 </IRQ>
 __run_on_irqstack arch/x86/include/asm/irq_stack.h:26 [inline]
 run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:77 [inline]
 do_softirq_own_stack+0x60/0x80 arch/x86/kernel/irq_64.c:77
 invoke_softirq kernel/softirq.c:405 [inline]
 __irq_exit_rcu+0x128/0x150 kernel/softirq.c:435
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:447
 sysvec_apic_timer_interrupt+0xbf/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x49/0x70 kernel/locking/spinlock.c:199
Code: 08 00 74 0c 48 c7 c7 f0 77 6c 86 e8 c1 de f5 fc 48 83 3d c9 0f ba 01 00 74 2a 48 89 df e8 13 3c 9e fc 66 90 fb bf 01 00 00 00 <e8> b2 ab 96 fc 65 8b 05 47 05 50 7b 85 c0 74 03 5b 5d c3 e8 b3 13
RSP: 0018:ffffc900010970e8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff8881f7055fc0 RCX: dffffc0000000000
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc900010970f0 R08: ffffffff8188e689 R09: fffffbfff0dc7623
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7055fc0
R13: ffff88811dc7cf00 R14: dffffc0000000000 R15: 0000000000000000
 finish_lock_switch kernel/sched/core.c:3784 [inline]
 finish_task_switch+0x130/0x5a0 kernel/sched/core.c:3884
 context_switch kernel/sched/core.c:4049 [inline]
 __schedule+0xbee/0x1330 kernel/sched/core.c:4804
 preempt_schedule_irq+0xc7/0x140 kernel/sched/core.c:5065
 irqentry_exit_cond_resched kernel/entry/common.c:365 [inline]
 irqentry_exit+0x4f/0x60 kernel/entry/common.c:395
 sysvec_apic_timer_interrupt+0xcb/0xe0 arch/x86/kernel/apic/apic.c:1094
 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:635
RIP: 0010:update_stack_state+0x86/0x460 arch/x86/kernel/unwind_frame.c:198
Code: 09 e8 ce 29 76 00 48 8b 7d c8 48 8b 07 48 85 c0 74 08 48 05 a8 00 00 00 eb 21 49 8d 5f 38 48 89 d8 48 c1 e8 03 42 80 3c 30 00 <74> 08 48 89 df e8 a0 29 76 00 48 8b 03 48 83 c0 10 48 89 45 98 48
RSP: 0018:ffffc900010973d0 EFLAGS: 00000246
RAX: 1ffff92000212eab RBX: ffffc90001097558 RCX: 0000000001097501
RDX: dffffc0000000000 RSI: ffffc900010978d0 RDI: ffffc90001097578
RBP: ffffc90001097488 R08: ffffc90001097608 R09: 0000000000000000
R10: ffffc90001097610 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc90001097570 R14: dffffc0000000000 R15: ffffc90001097520
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:305
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:121
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack+0xe/0x10 mm/kasan/generic.c:353
 task_work_add+0x27/0x1d0 kernel/task_work.c:38
 fput_many+0xef/0x1b0 fs/file_table.c:342
 fput+0x1a/0x20 fs/file_table.c:358
 set_mm_exe_file kernel/fork.c:1226 [inline]
 __mmput+0xea/0x2d0 kernel/fork.c:1155
 mmput+0x59/0x170 kernel/fork.c:1176
 exit_mm kernel/exit.c:539 [inline]
 do_exit+0xbda/0x2a50 kernel/exit.c:850
 do_group_exit+0x141/0x310 kernel/exit.c:985
 get_signal+0x10a0/0x1410 kernel/signal.c:2790
 arch_do_signal_or_restart+0xbd/0x17c0 arch/x86/kernel/signal.c:805
 handle_signal_work kernel/entry/common.c:145 [inline]
 exit_to_user_mode_loop+0x9b/0xd0 kernel/entry/common.c:169
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f692c55fef9
Code: Unable to access opcode bytes at RIP 0x7f692c55fecf.
RSP: 002b:00007f692b1d9038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007f692c717f80 RCX: 00007f692c55fef9
RDX: 0000000020000780 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007f692c5d2b76 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f692c717f80 R15: 00007ffea89f6f38