watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.7.276:1956]
Modules linked in:
CPU: 1 PID: 1956 Comm: syz.7.276 Not tainted 6.1.115-syzkaller-00045-g997d1e6f69f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:update_stack_state+0x30/0x460 arch/x86/kernel/unwind_frame.c:200
Code: 41 56 41 55 41 54 53 48 81 ec 90 00 00 00 48 89 75 c0 49 89 ff 49 be 00 00 00 00 00 fc ff df 48 89 f8 48 c1 e8 03 48 89 45 b0 <42> 0f b6 04 30 84 c0 0f 85 ea 03 00 00 41 8b 07 89 45 a4 49 8d 7f
RSP: 0018:ffffc900001afd90 EFLAGS: 00000a02
RAX: 1ffff92000035fdc RBX: ffffc900001b0410 RCX: ffffffff879a6000
RDX: dffffc0000000000 RSI: ffffc900001b0650 RDI: ffffc900001afee0
RBP: ffffc900001afe48 R08: ffffc900001affc8 R09: 0000000000000008
R10: ffffc900001affd0 R11: dffffc0000000001 R12: 0000000000000000
R13: ffffc900001aff30 R14: dffffc0000000000 R15: ffffc900001afee0
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3dc186c043 CR3: 000000010f4c8000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 unwind_next_frame+0x3cb/0x700 arch/x86/kernel/unwind_frame.c:315
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1745 [inline]
 slab_free_freelist_hook mm/slub.c:1771 [inline]
 slab_free mm/slub.c:3686 [inline]
 kmem_cache_free+0x291/0x560 mm/slub.c:3711
 kfree_skbmem+0x104/0x170
 __kfree_skb net/core/skbuff.c:871 [inline]
 kfree_skb_reason+0xdb/0x250 net/core/skbuff.c:893
 kfree_skb_list_reason+0x4a/0x70 net/core/skbuff.c:903
 __dev_xmit_skb net/core/dev.c:3942 [inline]
 __dev_queue_xmit+0x204f/0x3730 net/core/dev.c:4278
 dev_queue_xmit include/linux/netdevice.h:3076 [inline]
 neigh_resolve_output+0x6e3/0x7f0 net/core/neighbour.c:1563
 neigh_output include/net/neighbour.h:552 [inline]
 ip6_finish_output2+0x123a/0x1850 net/ipv6/ip6_output.c:138
 __ip6_finish_output net/ipv6/ip6_output.c:205 [inline]
 ip6_finish_output+0x50f/0xa60 net/ipv6/ip6_output.c:216
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4c0 net/ipv6/ip6_output.c:237
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x7cf/0xdc0 net/ipv6/ndisc.c:511
 ndisc_send_rs+0x47d/0x5f0 net/ipv6/ndisc.c:721
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3985
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1510
 expire_timers kernel/time/timer.c:1555 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1826
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1839
 handle_softirqs+0x1db/0x650 kernel/softirq.c:617
 __do_softirq kernel/softirq.c:655 [inline]
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:704
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:716
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:save_stack+0x8e/0x1e0 mm/page_owner.c:143
Code: 00 f1 f1 f1 f1 43 c7 44 25 14 f3 f3 f3 f3 e8 69 f2 b2 ff ba 80 00 00 00 48 89 df 31 f6 e8 6a 63 fa ff 65 48 8b 1d 62 d9 3f 7e <48> 81 c3 a8 05 00 00 49 89 df 49 c1 ef 03 43 0f b6 04 27 84 c0 0f
RSP: 0018:ffffc90000dd72a0 EFLAGS: 00000202
RAX: ffffc90000dd72e0 RBX: ffff88811876bcc0 RCX: 0000000000000000
RDX: 0000000000000080 RSI: 0000000000000000 RDI: ffffc90000dd7360
RBP: ffffc90000dd73d8 R08: dffffc0000000000 R09: ffffc90000dd72e0
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff920001bae58 R14: 0000000000112104 R15: dffffc0000000000
 __reset_page_owner+0x54/0x190 mm/page_owner.c:168
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1498 [inline]
 free_pcp_prepare mm/page_alloc.c:1572 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3511
 free_unref_page_list+0xf1/0x7b0 mm/page_alloc.c:3659
 release_pages+0xf7f/0xfe0 mm/swap.c:1063
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:315
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu mm/mmu_gather.c:261 [inline]
 tlb_finish_mmu+0x1e0/0x3f0 mm/mmu_gather.c:361
 exit_mmap+0x460/0xbe0 mm/mmap.c:3348
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:568 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:864
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1027
 get_signal+0x169d/0x1820 kernel/signal.c:2888
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fed9d97ff19
Code: Unable to access opcode bytes at 0x7fed9d97feef.
RSP: 002b:00007fed9d7ff058 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 000000000000000c RBX: 00007fed9db45fa0 RCX: 00007fed9d97ff19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fed9d9f3986 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fed9db45fa0 R15: 00007ffd4c3cf3a8
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 344 Comm: kworker/u4:4 Not tainted 6.1.115-syzkaller-00045-g997d1e6f69f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:rep_nop arch/x86/include/asm/vdso/processor.h:13 [inline]
RIP: 0010:cpu_relax arch/x86/include/asm/vdso/processor.h:18 [inline]
RIP: 0010:csd_lock_wait kernel/smp.c:453 [inline]
RIP: 0010:smp_call_function_many_cond+0x84d/0x930 kernel/smp.c:998
Code: 45 8b 3e 44 89 fe 83 e6 01 31 ff e8 bd 9b 09 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 0a e8 f8 97 09 00 e9 2f ff ff ff <f3> 90 42 0f b6 04 3b 84 c0 75 14 41 f7 06 01 00 00 00 0f 84 12 ff
RSP: 0018:ffffc9000dd5f840 EFLAGS: 00000293
RAX: ffffffff816beeda RBX: 1ffff1103ede7885 RCX: ffff88811400a880
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000dd5f958 R08: ffffffff816beea3 R09: ffffed103edc71fb
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: 0000000800000000 R14: ffff8881f6f3c428 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3dbdbfb8dc CR3: 000000000700f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <TASK>
 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:1334 [inline]
 text_poke_bp_batch+0x1e9/0x730 arch/x86/kernel/alternative.c:1534
 text_poke_flush arch/x86/kernel/alternative.c:1725 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1732
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:451
 jump_label_update+0x3af/0x450 kernel/jump_label.c:797
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:173
 static_key_enable+0x1a/0x30 kernel/jump_label.c:186
 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:295
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 1956 Comm: syz.7.276 Tainted: G             L     6.1.115-syzkaller-00045-g997d1e6f69f1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1/0x80 kernel/kcov.c:319
Code: 11 48 c7 44 0a 08 05 00 00 00 48 89 44 0a 10 48 89 74 0a 18 4c 89 44 0a 20 5d c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 <48> 89 e5 4c 8b 45 08 65 48 8b 0d c0 e2 8c 7e 65 8b 05 c1 e2 8c 7e
RSP: 0018:ffffc900001afe18 EFLAGS: 00000046
RAX: ffffffff819ba6a5 RBX: 0000000000000000 RCX: ffff88811876bcc0
RDX: 0000000000010100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900001afe70 R08: ffffffff819ba60e R09: ffffc900001affc0
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900001b0026
R13: 0000000000000410 R14: dffffc0000000000 R15: ffff888129a36580
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffa04e75000 CR3: 00000001104b2000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 perf_prepare_sample+0x196/0x1cc0 kernel/events/core.c:7463
 __perf_event_output kernel/events/core.c:7657 [inline]
 perf_event_output_forward+0xdb/0x1b0 kernel/events/core.c:7677
 __perf_event_overflow+0x458/0x630 kernel/events/core.c:9423
 perf_swevent_hrtimer+0x38e/0x4f0 kernel/events/core.c:10831
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x41a/0xad0 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x40c/0xaa0 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0xfb/0x3f0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x53/0xc0 arch/x86/kernel/apic/apic.c:1118
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__kernel_text_address+0x1/0x40 kernel/extable.c:78
Code: f0 5b 41 5e 5d c3 48 c7 c1 40 8f 92 87 80 e1 07 80 c1 03 38 c1 7c c3 48 c7 c7 40 8f 92 87 e8 86 19 70 00 eb b5 0f 1f 40 00 55 <48> 89 e5 53 48 89 fb e8 33 00 00 00 85 c0 0f 95 c0 48 c7 c1 00 60
RSP: 0018:ffffc900001b06a8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900001b0728 RCX: 00000000001b0701
RDX: 1ffff920000360de RSI: ffffc900001b0bc0 RDI: ffffffff840ea611
RBP: ffffc900001b06d0 R08: ffffc900001b07c8 R09: 0000000000000006
R10: ffffc900001b07d0 R11: dffffc0000000001 R12: ffff88811876bcc0
R13: ffffffff8165adc0 R14: dffffc0000000000 R15: 1ffff920000360e5
 arch_stack_walk+0xf3/0x140 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516
 ____kasan_slab_free+0x131/0x180 mm/kasan/common.c:241
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:249
 kasan_slab_free include/linux/kasan.h:178 [inline]
 slab_free_hook mm/slub.c:1745 [inline]
 slab_free_freelist_hook mm/slub.c:1771 [inline]
 slab_free mm/slub.c:3686 [inline]
 __kmem_cache_free+0x21d/0x410 mm/slub.c:3702
 kfree+0x7a/0xf0 mm/slab_common.c:990
 ip_dst_metrics_put include/net/ip.h:524 [inline]
 ip6_dst_destroy+0x8d/0x390 net/ipv6/route.c:363
 dst_destroy+0x131/0x320 net/core/dst.c:119
 dst_destroy_rcu+0x19/0x20 net/core/dst.c:140
 rcu_do_batch+0x552/0xbe0 kernel/rcu/tree.c:2297
 rcu_core+0x502/0xf40 kernel/rcu/tree.c:2557
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2574
 handle_softirqs+0x1db/0x650 kernel/softirq.c:617
 __do_softirq kernel/softirq.c:655 [inline]
 invoke_softirq kernel/softirq.c:472 [inline]
 __irq_exit_rcu+0x52/0xf0 kernel/softirq.c:704
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:716
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa9/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:7059
Code: 4c 89 e7 e8 d0 30 9d fc f6 44 24 21 02 74 0b 0f 0b 48 f7 03 08 00 00 00 74 4d bf 01 00 00 00 e8 74 d7 2f fc fb bf 01 00 00 00 <e8> 99 e4 ff ff fa bf 01 00 00 00 e8 fe d8 2f fc 65 48 8b 1d b6 a8
RSP: 0018:ffffc90000dd7280 EFLAGS: 00000246
RAX: 1ffff110230ed8f1 RBX: 1ffff920001bae54 RCX: ffffffff8521c400
RDX: 1ffffffff0f6de08 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000dd7318 R08: ffffffff87b6f040 R09: ffffffff87b6f048
R10: ffffffff87b6f058 R11: ffffffff87b6f050 R12: ffffc90000dd72a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001bae50
 raw_irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:396
 irqentry_exit+0x30/0x40 kernel/entry/common.c:439
 sysvec_apic_timer_interrupt+0x64/0xc0 arch/x86/kernel/apic/apic.c:1118
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:__reset_page_owner+0x17a/0x190 mm/page_owner.c:177
Code: c7 20 1c 28 87 48 8b 55 c8 e8 e2 21 df 00 41 83 ee 01 0f 83 49 ff ff ff e8 03 f3 b2 ff 48 89 df e8 eb 3f 01 00 48 83 c4 20 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 e8 e7 f2 b2 ff eb ea 0f 1f 44 00 00
RSP: 0018:ffffc90000dd7410 EFLAGS: 00000282
RAX: 429510b797332c00 RBX: 1ffffd4000890823 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: 0000000000000001
RBP: ffffc90000dd7430 R08: dffffc0000000000 R09: ffffed1020073006
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888104084120 R14: 00000000ffffffff R15: dffffc0000000000
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1498 [inline]
 free_pcp_prepare mm/page_alloc.c:1572 [inline]
 free_unref_page_prepare+0x83d/0x850 mm/page_alloc.c:3511
 free_unref_page_list+0xf1/0x7b0 mm/page_alloc.c:3659
 release_pages+0xf7f/0xfe0 mm/swap.c:1063
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:315
 tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
 tlb_flush_mmu mm/mmu_gather.c:261 [inline]
 tlb_finish_mmu+0x1e0/0x3f0 mm/mmu_gather.c:361
 exit_mmap+0x460/0xbe0 mm/mmap.c:3348
 __mmput+0x95/0x310 kernel/fork.c:1298
 mmput+0x56/0x170 kernel/fork.c:1321
 exit_mm kernel/exit.c:568 [inline]
 do_exit+0xb29/0x2b80 kernel/exit.c:864
 do_group_exit+0x21a/0x2d0 kernel/exit.c:1027
 get_signal+0x169d/0x1820 kernel/signal.c:2888
 arch_do_signal_or_restart+0xb0/0x16f0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x74/0xa0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x26/0x130 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fed9d97ff19
Code: Unable to access opcode bytes at 0x7fed9d97feef.
RSP: 002b:00007fed9d7ff058 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 000000000000000c RBX: 00007fed9db45fa0 RCX: 00007fed9d97ff19
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000000
RBP: 00007fed9d9f3986 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fed9db45fa0 R15: 00007ffd4c3cf3a8
 </TASK>