watchdog: BUG: soft lockup - CPU#1 stuck for 122s! [syz.1.1479:7077]
Modules linked in:
CPU: 1 PID: 7077 Comm: syz.1.1479 Not tainted 5.15.156-syzkaller-00821-g29d153aabd54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:stack_trace_consume_entry+0x2e/0x290 kernel/stacktrace.c:86
Code: 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 fb 48 ba 00 00 00 00 00 fc ff df 4c 8d 57 10 4d 89 d7 49 c1 ef 03 41 0f b6 04 17 <84> c0 0f 85 0d 01 00 00 44 8b 4b 10 4c 8d 43 08 4d 89 c4 49 c1 ec
RSP: 0018:ffffc900001cff08 EFLAGS: 00000a06
RAX: 0000000000000000 RBX: ffffc900001d0040 RCX: 00000000001cff01
RDX: dffffc0000000000 RSI: ffffffff8452b37e RDI: ffffc900001d0040
RBP: ffffc900001cff50 R08: ffffc900001d0048 R09: 0000000000000008
R10: ffffc900001d0050 R11: dffffc0000000001 R12: ffff888117434f00
R13: ffffffff815f8530 R14: ffffc900001d0040 R15: 1ffff9200003a00a
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31815ff8 CR3: 0000000006a0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 arch_stack_walk+0x101/0x140 arch/x86/kernel/stacktrace.c:27
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 kvfree_call_rcu+0xb1/0x8b0 kernel/rcu/tree.c:3644
 neigh_destroy+0x411/0x540 net/core/neighbour.c:860
 neigh_release include/net/neighbour.h:427 [inline]
 neigh_cleanup_and_release+0x73/0x1b0 net/core/neighbour.c:103
 neigh_del net/core/neighbour.c:197 [inline]
 neigh_remove_one+0x3a6/0x430 net/core/neighbour.c:218
 neigh_forced_gc net/core/neighbour.c:251 [inline]
 neigh_alloc net/core/neighbour.c:429 [inline]
 ___neigh_create+0x474/0x1bd0 net/core/neighbour.c:591
 __neigh_create+0x32/0x40 net/core/neighbour.c:679
 ip6_finish_output2+0x9ee/0x16e0 net/ipv6/ip6_output.c:123
 __ip6_finish_output+0x60f/0x7c0 net/ipv6/ip6_output.c:197
 ip6_finish_output+0x31/0x210 net/ipv6/ip6_output.c:207
 NF_HOOK_COND include/linux/netfilter.h:294 [inline]
 ip6_output+0x1f7/0x4d0 net/ipv6/ip6_output.c:230
 dst_output include/net/dst.h:444 [inline]
 NF_HOOK include/linux/netfilter.h:305 [inline]
 ndisc_send_skb+0x73e/0xc90 net/ipv6/ndisc.c:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3978
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 d0 a0 ce 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 24 45 68 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 ae 46 68 fc 65 48 8b 1d c6 60
RSP: 0018:ffffc90000fa7280 EFLAGS: 00000246
RAX: 1ffff11022e86b36 RBX: 1ffff920001f4e54 RCX: ffffffff84e5de00
RDX: 1ffff11022e869e5 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000fa7308 R08: ffffffff874cc040 R09: ffffffff874cc048
R10: ffffffff874cc058 R11: ffffffff874cc050 R12: ffffc90000fa72a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001f4e50
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline]
RIP: 0010:PageSwapBacked include/linux/page-flags.h:374 [inline]
RIP: 0010:PageSwapCache include/linux/page-flags.h:418 [inline]
RIP: 0010:free_swap_cache+0xb0/0x230 mm/swap_state.c:291
Code: e6 01 31 ff e8 61 97 c0 ff f6 c3 01 0f 85 76 01 00 00 e8 13 93 c0 ff 4c 89 e3 48 89 df be 08 00 00 00 e8 f3 d7 02 00 48 89 d8 <48> c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 fd d5 02 00 48 8b 1b
RSP: 0018:ffffc90000fa7400 EFLAGS: 00000256
RAX: ffffea0004a0c280 RBX: ffffea0004a0c280 RCX: ffffffff81afd73d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0004a0c280
RBP: ffffc90000fa7430 R08: dffffc0000000000 R09: fffff94000941851
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0004a0c280
R13: ffffea0004a0c288 R14: dffffc0000000000 R15: 1ffffd4000941851
 free_pages_and_swap_cache+0x63/0xa0 mm/swap_state.c:319
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu+0xd0/0x180 mm/mmu_gather.c:247
 zap_pte_range mm/memory.c:1510 [inline]
 zap_pmd_range mm/memory.c:1559 [inline]
 zap_pud_range mm/memory.c:1588 [inline]
 zap_p4d_range mm/memory.c:1609 [inline]
 unmap_page_range+0x1c70/0x1ed0 mm/memory.c:1630
 unmap_single_vma mm/memory.c:1675 [inline]
 unmap_vmas+0x389/0x560 mm/memory.c:1707
 exit_mmap+0x3e4/0x940 mm/mmap.c:3215
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:552 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:865
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa83d099e79
Code: Unable to access opcode bytes at RIP 0x7fa83d099e4f.
RSP: 002b:00007fa83bcf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fa83d236058 RCX: 00007fa83d099e79
RDX: 0000000020000500 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007fa83d107916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa83d236058 R15: 00007fffeee9c728
 </TASK>
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5219 Comm: kworker/u4:0 Not tainted 5.15.156-syzkaller-00821-g29d153aabd54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x60 kernel/kcov.c:190
Code: 00 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 94 fe b8 05 48 89 de e8 24 80 41 00 5b 5d c3 cc <55> 48 89 e5 48 8b 45 08 65 48 8b 0d 30 03 92 7e 65 8b 15 31 03 92
RSP: 0018:ffffc90000c47838 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 1ffff1103ee2784d RCX: ffff888119b193c0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000c47958 R08: ffffffff8165c4fa R09: ffffed103ee071d3
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffff8881f713c268 R14: ffff8881f7038e80 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f44974fc8f6 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000020000300 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:1135
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:1207 [inline]
 text_poke_bp_batch+0x1db/0x720 arch/x86/kernel/alternative.c:1407
 text_poke_flush arch/x86/kernel/alternative.c:1598 [inline]
 text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1605
 arch_jump_label_transform_apply+0x15/0x30 arch/x86/kernel/jump_label.c:146
 __jump_label_update+0x36a/0x380 kernel/jump_label.c:459
 jump_label_update+0x3af/0x450 kernel/jump_label.c:830
 static_key_enable_cpuslocked+0x12f/0x250 kernel/jump_label.c:177
 static_key_enable+0x1a/0x30 kernel/jump_label.c:190
 toggle_allocation_gate+0xbf/0x460 mm/kfence/core.c:729
 process_one_work+0x6bb/0xc10 kernel/workqueue.c:2325
 worker_thread+0xad5/0x12a0 kernel/workqueue.c:2472
 kthread+0x421/0x510 kernel/kthread.c:337
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:300
 </TASK>
NMI backtrace for cpu 1
CPU: 1 PID: 7077 Comm: syz.1.1479 Tainted: G             L    5.15.156-syzkaller-00821-g29d153aabd54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:235 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:156 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:263 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:208
Code: 74 05 83 ff 30 75 12 5d c3 81 ff d0 00 00 00 74 f6 81 ff e0 00 00 00 74 ee c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 eb d9 89 f6 31 d2 e8 ea d4 51 01 5d c3 0f 1f 84 00 00 00 00
RSP: 0018:ffffc900001d0838 EFLAGS: 00000046
RAX: 000000000000012b RBX: ffffffff8625c9d8 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 000000000000012b RDI: 0000000000000838
RBP: ffffc900001d0838 R08: ffffffff8163d57b R09: ffffffff8163d46d
R10: 0000000000000002 R11: ffff888117434f00 R12: 0000000000000020
R13: dffffc0000000000 R14: 000000000000012b R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31815ff8 CR3: 0000000006a0f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:395 [inline]
 lapic_next_event+0x5f/0x70 arch/x86/kernel/apic/apic.c:468
 clockevents_program_event+0x1c1/0x300 kernel/time/clockevents.c:334
 tick_program_event+0x9f/0x120 kernel/time/tick-oneshot.c:44
 hrtimer_interrupt+0x625/0xaa0 kernel/time/hrtimer.c:1824
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline]
 __sysvec_apic_timer_interrupt+0xfd/0x3c0 arch/x86/kernel/apic/apic.c:1102
 sysvec_apic_timer_interrupt+0x44/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:dev_net include/linux/netdevice.h:2489 [inline]
RIP: 0010:ipv6_get_ifaddr+0x17e/0x640 net/ipv6/addrconf.c:2052
Code: 80 3c 20 00 74 08 48 89 df e8 2e 80 5f fd 48 8b 1b 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 15 80 5f fd 4c 8b 3b <49> 8d 9f f8 04 00 00 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48
RSP: 0018:ffffc900001d0b00 EFLAGS: 00000246
RAX: 1ffff110232e2e00 RBX: ffff888119717000 RCX: ffff888117434f00
RDX: ffff888117434f00 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900001d0bf8 R08: ffffffff84532d00 R09: ffffed102324266e
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88812600f000 R14: ffff888106ff2000 R15: ffff88811e68c000
 ndisc_send_rs+0x9a/0x6a0 net/ipv6/ndisc.c:672
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3978
 call_timer_fn+0x3b/0x2d0 kernel/time/timer.c:1457
 expire_timers kernel/time/timer.c:1502 [inline]
 __run_timers+0x72a/0xa10 kernel/time/timer.c:1773
 run_timer_softirq+0x69/0xf0 kernel/time/timer.c:1786
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565
 invoke_softirq kernel/softirq.c:425 [inline]
 __irq_exit_rcu+0x50/0xf0 kernel/softirq.c:648
 irq_exit_rcu+0x9/0x10 kernel/softirq.c:660
 sysvec_apic_timer_interrupt+0x9a/0xc0 arch/x86/kernel/apic/apic.c:1096
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:6916
Code: 4c 89 e7 e8 d0 a0 ce 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 24 45 68 fc fb bf 01 00 00 00 <e8> e9 e3 ff ff fa bf 01 00 00 00 e8 ae 46 68 fc 65 48 8b 1d c6 60
RSP: 0018:ffffc90000fa7280 EFLAGS: 00000246
RAX: 1ffff11022e86b36 RBX: 1ffff920001f4e54 RCX: ffffffff84e5de00
RDX: 1ffff11022e869e5 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000fa7308 R08: ffffffff874cc040 R09: ffffffff874cc048
R10: ffffffff874cc058 R11: ffffffff874cc050 R12: ffffc90000fa72a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff920001f4e50
 irqentry_exit_cond_resched+0x2a/0x30 kernel/entry/common.c:398
 irqentry_exit+0x30/0x40 kernel/entry/common.c:432
 sysvec_apic_timer_interrupt+0x55/0xc0 arch/x86/kernel/apic/apic.c:1096
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:constant_test_bit arch/x86/include/asm/bitops.h:207 [inline]
RIP: 0010:test_bit include/asm-generic/bitops/instrumented-non-atomic.h:135 [inline]
RIP: 0010:PageSwapBacked include/linux/page-flags.h:374 [inline]
RIP: 0010:PageSwapCache include/linux/page-flags.h:418 [inline]
RIP: 0010:free_swap_cache+0xb0/0x230 mm/swap_state.c:291
Code: e6 01 31 ff e8 61 97 c0 ff f6 c3 01 0f 85 76 01 00 00 e8 13 93 c0 ff 4c 89 e3 48 89 df be 08 00 00 00 e8 f3 d7 02 00 48 89 d8 <48> c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 fd d5 02 00 48 8b 1b
RSP: 0018:ffffc90000fa7400 EFLAGS: 00000256
RAX: ffffea0004a0c280 RBX: ffffea0004a0c280 RCX: ffffffff81afd73d
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea0004a0c280
RBP: ffffc90000fa7430 R08: dffffc0000000000 R09: fffff94000941851
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea0004a0c280
R13: ffffea0004a0c288 R14: dffffc0000000000 R15: 1ffffd4000941851
 free_pages_and_swap_cache+0x63/0xa0 mm/swap_state.c:319
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:240 [inline]
 tlb_flush_mmu+0xd0/0x180 mm/mmu_gather.c:247
 zap_pte_range mm/memory.c:1510 [inline]
 zap_pmd_range mm/memory.c:1559 [inline]
 zap_pud_range mm/memory.c:1588 [inline]
 zap_p4d_range mm/memory.c:1609 [inline]
 unmap_page_range+0x1c70/0x1ed0 mm/memory.c:1630
 unmap_single_vma mm/memory.c:1675 [inline]
 unmap_vmas+0x389/0x560 mm/memory.c:1707
 exit_mmap+0x3e4/0x940 mm/mmap.c:3215
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:552 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:865
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fa83d099e79
Code: Unable to access opcode bytes at RIP 0x7fa83d099e4f.
RSP: 002b:00007fa83bcf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: 0000000000000000 RBX: 00007fa83d236058 RCX: 00007fa83d099e79
RDX: 0000000020000500 RSI: 0000000000005452 RDI: 0000000000000003
RBP: 00007fa83d107916 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fa83d236058 R15: 00007fffeee9c728
 </TASK>