watchdog: BUG: soft lockup - CPU#0 stuck for 118s! [syz.9.366:3680]
Modules linked in:
CPU: 0 PID: 3680 Comm: syz.9.366 Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:neigh_fill_info+0x698/0xd30 net/core/neighbour.c:2482
Code: 00 00 89 9c 24 a0 00 00 00 48 8b 04 24 48 8d 58 20 48 89 d8 48 c1 e8 03 42 80 3c 20 00 74 08 48 89 df e8 7b c4 de fd 4c 2b 33 <4c> 89 f7 e8 70 91 90 fd 48 89 c3 48 8d 84 24 a0 00 00 00 48 8d 78
RSP: 0018:ffffc900000073e0 EFLAGS: 00000216
RAX: 1ffff110289b7804 RBX: ffff888144dbc020 RCX: ffff88811d5693c0
RDX: 0000000000000704 RSI: 0000000000000000 RDI: 00000000000034d9
RBP: ffffc90000007528 R08: ffffffff83c9817c R09: ffff88810c8ca034
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff92000000e88 R14: 0000000000001d6a R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4b6be59e91 CR3: 000000010a6be000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 __neigh_notify+0x9d/0x120 net/core/neighbour.c:3379
 neigh_cleanup_and_release+0x2c/0x1b0 net/core/neighbour.c:102
 neigh_del net/core/neighbour.c:198 [inline]
 neigh_remove_one+0x36b/0x3d0 net/core/neighbour.c:219
 neigh_forced_gc net/core/neighbour.c:252 [inline]
 neigh_alloc net/core/neighbour.c:430 [inline]
 ___neigh_create+0x484/0x1a10 net/core/neighbour.c:592
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __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:__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 81 bb f5 fc 48 83 3d 99 ec b9 01 00 74 2a 48 89 df e8 e3 18 9e fc 66 90 fb bf 01 00 00 00 <e8> 82 88 96 fc 65 8b 05 17 e2 4f 7b 85 c0 74 03 5b 5d c3 e8 83 f0
RSP: 0018:ffffc90001c47108 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff8881f7055fc0 RCX: dffffc0000000000
RDX: 0000000040000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90001c47110 R08: ffffffff8188e699 R09: fffffbfff0dc764b
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7055fc0
R13: ffff88811d5693c0 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:PageSwapCache include/linux/page-flags.h:405 [inline]
RIP: 0010:free_swap_cache+0xdc/0x230 mm/swap_state.c:327
Code: 3c 30 00 74 08 48 89 df e8 91 92 02 00 48 8b 1b 41 be 00 00 08 00 be 00 00 08 00 48 21 de 31 ff e8 d9 fc c4 ff 49 21 de 75 0a <e8> 8f f8 c4 ff e9 04 01 00 00 4c 89 e7 be 08 00 00 00 e8 3d 94 02
RSP: 0018:ffffc90001c47400 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 4000000000000002 RCX: ffff88811d5693c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001c47430 R08: ffffffff81a5b457 R09: fffff94000a5de01
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea00052ef000
R13: ffffea00052ef008 R14: 0000000000000000 R15: 1ffffd4000a5de01
 free_pages_and_swap_cache+0x63/0xa0 mm/swap_state.c:355
 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:1385 [inline]
 zap_pmd_range mm/memory.c:1435 [inline]
 zap_pud_range mm/memory.c:1464 [inline]
 zap_p4d_range mm/memory.c:1485 [inline]
 unmap_page_range+0x1f34/0x23b0 mm/memory.c:1506
 unmap_single_vma mm/memory.c:1551 [inline]
 unmap_vmas+0x37f/0x4f0 mm/memory.c:1583
 exit_mmap+0x2f2/0x5c0 mm/mmap.c:3355
 __mmput+0x95/0x2d0 kernel/fork.c:1153
 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]
 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: 0033:0x7f63ba8c9719
Code: Unable to access opcode bytes at RIP 0x7f63ba8c96ef.
RSP: 002b:00007f63b9542038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f63baa80f80 RCX: 00007f63ba8c9719
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f63ba93c39e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f63baa80f80 R15: 00007ffd9ae26a48
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 3931 Comm: syz.8.372 Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:irqentry_exit+0x23/0x60 kernel/entry/common.c:407
Code: 1f 84 00 00 00 00 00 55 48 89 e5 f6 87 88 00 00 00 03 74 07 e8 3e ff ff ff 5d c3 f6 87 91 00 00 00 02 75 08 40 f6 c6 01 75 2e <5d> c3 40 f6 c6 01 75 26 65 8b 05 1a 53 55 7b a9 ff ff ff 7f 75 ea
RSP: 0018:ffffc900001703a0 EFLAGS: 00000002
RAX: 0000000000000502 RBX: ffffc900001703d8 RCX: 0000000000010502
RDX: 1ffffffff0e10808 RSI: 0000000000000000 RDI: ffffc900001703d8
RBP: ffffc900001703a0 R08: ffffffff87084048 R09: ffffffff87084058
R10: ffffffff87084050 R11: ffffffff87084043 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffeb273fc98 CR3: 0000000142537000 CR4: 00000000003506a0
DR0: 0000000020000300 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 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:queued_write_lock_slowpath+0x180/0x390 kernel/locking/qrwlock.c:79
Code: 00 00 00 42 0f b6 04 33 84 c0 4c 8b 64 24 08 74 37 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 2a 4c 89 ff e8 c4 48 57 00 eb 20 f3 90 <42> 0f b6 04 33 84 c0 74 15 44 89 f9 80 e1 07 80 c1 03 38 c1 7c 08
RSP: 0018:ffffc90000170480 EFLAGS: 00000206
RAX: 00000000000001ff RBX: 1ffffffff0da83fd RCX: ffffffff8150fdbb
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86d41fe8
RBP: ffffc90000170530 R08: dffffc0000000000 R09: fffffbfff0da83fe
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200002e09a
R13: 00000000000000ff R14: dffffc0000000000 R15: ffffffff86d41fe8
 queued_write_lock include/asm-generic/qrwlock.h:95 [inline]
 __raw_write_lock_bh include/linux/rwlock_api_smp.h:204 [inline]
 _raw_write_lock_bh+0x10a/0x170 kernel/locking/spinlock.c:319
 ___neigh_create+0xccc/0x1a10 net/core/neighbour.c:626
 __neigh_create+0x32/0x40 net/core/neighbour.c:680
 ip6_finish_output2+0x957/0x1850 net/ipv6/ip6_output.c:142
 __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:kasan_check_range+0x1c6/0x2a0 mm/kasan/generic.c:189
Code: ed 49 0f 49 dd 48 83 e3 f8 49 29 dd 74 12 41 80 39 00 0f 85 a6 00 00 00 49 ff c1 49 ff cd 75 ee 5b 41 5c 41 5d 41 5e 41 5f 5d <c3> 45 84 f6 75 61 41 f7 c6 00 ff 00 00 75 5d 41 f7 c6 00 00 ff 00
RSP: 0018:ffffc90002517470 EFLAGS: 00000256
RAX: ffffffff81a1ee01 RBX: ffffea00054a5240 RCX: ffffffff81a1ef06
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffea00054a5240
RBP: ffffc90002517478 R08: dffffc0000000000 R09: fffff94000a94a49
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000ffffffff
R13: ffffea00054a5240 R14: ffffea00054a5248 R15: dffffc0000000000
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 PageMlocked include/linux/page-flags.h:419 [inline]
 page_remove_file_rmap mm/rmap.c:1289 [inline]
 page_remove_rmap+0x696/0xe40 mm/rmap.c:1349
 zap_pte_range mm/memory.c:1315 [inline]
 zap_pmd_range mm/memory.c:1435 [inline]
 zap_pud_range mm/memory.c:1464 [inline]
 zap_p4d_range mm/memory.c:1485 [inline]
 unmap_page_range+0x112e/0x23b0 mm/memory.c:1506
 unmap_single_vma mm/memory.c:1551 [inline]
 unmap_vmas+0x37f/0x4f0 mm/memory.c:1583
 exit_mmap+0x2f2/0x5c0 mm/mmap.c:3355
 __mmput+0x95/0x2d0 kernel/fork.c:1153
 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: 0033:0x7f554b783719
Code: Unable to access opcode bytes at RIP 0x7f554b7836ef.
RSP: 002b:00007f554a3fc038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: 000000000000000b RBX: 00007f554b93af80 RCX: 00007f554b783719
RDX: 0000000000000000 RSI: ffffffffffffffff RDI: 0000000020000100
RBP: 00007f554b7f639e R08: 0000000000000000 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f554b93af80 R15: 00007ffc25ee44a8