watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.3.338:3277]
Modules linked in:
CPU: 1 PID: 3277 Comm: syz.3.338 Not tainted 5.10.223-syzkaller-00011-g1c5354a314ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:kasan_check_range+0x0/0x2a0 mm/kasan/generic.c:188
Code: 48 c1 ee 03 48 01 c6 48 89 c7 e8 1b c9 04 03 31 c0 5d c3 0f 0b eb 02 0f 0b b8 ea ff ff ff 5d c3 cc cc cc cc cc cc cc cc cc cc <55> 48 89 e5 41 57 41 56 41 55 41 54 53 b0 01 48 85 f6 0f 84 a4 01
RSP: 0000:ffffc90000170368 EFLAGS: 00000246
RAX: 000000000000000c RBX: ffff88812f23701c RCX: ffffffff83e3dde0
RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88812f23701c
RBP: ffffc90000170388 R08: ffffffff83bed7a4 R09: 0000000000000000
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: 000000000000001d R14: 0000000000000000 R15: 0000000000000000
FS:  00007f3a0ae676c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e519ff8 CR3: 0000000131ca2000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __nlmsg_put+0xf0/0x1a0 net/netlink/af_netlink.c:2176
 nlmsg_put include/net/netlink.h:920 [inline]
 neigh_fill_info+0x195/0xd30 net/core/neighbour.c:2453
 __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:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3963
 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: 0033:0x7f3a0c1edef9
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:00007f3a0ae670e8 EFLAGS: 00000246
RAX: 0000000000000001 RBX: 00007f3a0c3a5f88 RCX: 00007f3a0c1edef9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f3a0c3a5f8c
RBP: 00007f3a0c3a5f80 R08: 00007ffd9ed8c0b0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a0c3a5f8c
R13: 0000000000000000 R14: 00007ffd9eca9bf0 R15: 00007ffd9eca9cd8
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 3260 Comm: syz.0.349 Not tainted 5.10.223-syzkaller-00011-g1c5354a314ea #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:perf_output_begin_forward+0x5b4/0x970 kernel/events/ring_buffer.c:268
Code: 00 00 fc ff df 42 80 3c 38 00 74 08 4c 89 f7 e8 72 69 1b 00 49 89 1e 48 83 7c 24 60 00 0f 85 2b 01 00 00 e8 de cf dd ff 31 db <48> c7 84 24 80 00 00 00 0e 36 e0 45 4b c7 04 27 00 00 00 00 43 c7
RSP: 0018:ffffc90000006c40 EFLAGS: 00000002
RAX: 0000000000000000 RBX: 00000000ffffffe4 RCX: ffff888118c613c0
RDX: 0000000000010502 RSI: 0000000000000000 RDI: ffff88812e5d6278
RBP: ffffc90000006d70 R08: dffffc0000000000 R09: ffffc90000006ce0
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000d98
R13: ffffc90000006ce0 R14: 0000000000000008 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb579baed4 CR3: 000000011ad2f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 __perf_event_output kernel/events/core.c:7384 [inline]
 perf_event_output_forward+0x10b/0x1b0 kernel/events/core.c:7402
 __perf_event_overflow+0x1c8/0x350 kernel/events/core.c:9058
 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10461
 __run_hrtimer kernel/time/hrtimer.c:1583 [inline]
 __hrtimer_run_queues+0x3d7/0xa50 kernel/time/hrtimer.c:1647
 hrtimer_interrupt+0x39a/0x8b0 kernel/time/hrtimer.c:1709
 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: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 f4 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:ffffc90000007480 EFLAGS: 00000206
RAX: 00000000000001ff RBX: 1ffffffff0da834d RCX: ffffffff8150f89b
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff86d41a68
RBP: ffffc90000007530 R08: dffffc0000000000 R09: fffffbfff0da834e
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000000e9a
R13: 00000000000000ff R14: dffffc0000000000 R15: ffffffff86d41a68
 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:509
 ndisc_send_rs+0x532/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x2d1/0x600 net/ipv6/addrconf.c:3963
 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:preempt_schedule_irq+0xc2/0x140 kernel/sched/core.c:5065
Code: 4c 89 e7 e8 c0 1f f7 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 eb 97 fc fb bf 01 00 00 00 <e8> 89 e6 ff ff fa bf 01 00 00 00 e8 fe ec 97 fc 65 48 8b 1d 26 4b
RSP: 0018:ffffc90000ca7280 EFLAGS: 00000246
RAX: 1ffff1102318c3be RBX: 1ffff92000194e54 RCX: ffffffff84b24a00
RDX: 1ffff1102318c27c RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffc90000ca7310 R08: ffffffff87084008 R09: ffffffff87084018
R10: ffffffff87084010 R11: ffffffff87084003 R12: ffffc90000ca72a0
R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000194e50
 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 fd c4 ff 49 21 de 75 0a <e8> 8f f9 c4 ff e9 04 01 00 00 4c 89 e7 be 08 00 00 00 e8 3d 94 02
RSP: 0018:ffffc90000ca7400 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 4000000000000002 RCX: ffff888118c613c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000ca7430 R08: ffffffff81a5af67 R09: fffff940009274e1
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffea000493a700
R13: ffffea000493a708 R14: 0000000000000000 R15: 1ffffd40009274e1
 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:2782
 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: 0033:0x7f9325838ef9
Code: Unable to access opcode bytes at RIP 0x7f9325838ecf.
RSP: 002b:00007f9324470038 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f93259f1130 RCX: 00007f9325838ef9
RDX: 00000000200006c0 RSI: 0000000000005452 RDI: 0000000000000005
RBP: 00007f93258ab9f6 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f93259f1130 R15: 00007ffd7b4269c8