watchdog: BUG: soft lockup - CPU#0 stuck for 116s! [kworker/0:15:4564] Modules linked in: irq event stamp: 357671 hardirqs last enabled at (357670): [] kvm_wait+0x1a2/0x200 hardirqs last disabled at (357671): [] sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1106 softirqs last enabled at (357510): [] neigh_periodic_work+0xb31/0xd40 net/core/neighbour.c:1017 softirqs last disabled at (357511): [] do_softirq+0x162/0x240 kernel/softirq.c:472 CPU: 0 PID: 4564 Comm: kworker/0:15 Not tainted 6.1.99-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: events_power_efficient neigh_periodic_work RIP: 0010:native_safe_halt arch/x86/include/asm/irqflags.h:51 [inline] RIP: 0010:arch_safe_halt arch/x86/include/asm/irqflags.h:89 [inline] RIP: 0010:kvm_wait+0x1b4/0x200 arch/x86/kernel/kvm.c:1064 Code: e0 48 c1 e8 03 42 0f b6 04 28 84 c0 75 42 45 0f b6 34 24 e8 0e 3c 55 00 44 3a 74 24 1c 75 10 66 90 0f 00 2d ae 4d ad 09 fb f4 c8 fe ff ff fb e9 c2 fe ff ff 44 89 e1 80 e1 07 38 c1 0f 8c 54 RSP: 0018:ffffc90000007300 EFLAGS: 00000246 RAX: 5a3d01436bc6eb00 RBX: 1ffff92000000e64 RCX: ffffffff816ad6da RDX: dffffc0000000000 RSI: ffffffff8aec0240 RDI: ffffffff8b3d47e0 RBP: ffffc900000073d0 R08: dffffc0000000000 R09: fffffbfff209384c R10: 0000000000000000 R11: dffffc0000000001 R12: ffffffff8e3a0aa4 R13: dffffc0000000000 R14: 0000000000000003 R15: ffffc90000007340 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000283d9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:603 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6fb/0xc50 kernel/locking/qspinlock.c:511 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline] queued_spin_lock_slowpath+0x42/0x50 arch/x86/include/asm/qspinlock.h:51 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] queued_write_lock_slowpath+0x343/0x441 kernel/locking/qrwlock.c:73 queued_write_lock include/asm-generic/qrwlock.h:101 [inline] do_raw_write_lock+0x38b/0x4e0 kernel/locking/spinlock_debug.c:210 ___neigh_create+0xef4/0x24b0 net/core/neighbour.c:682 ip6_finish_output2+0x14f2/0x1530 net/ipv6/ip6_output.c:125 __ip6_finish_output net/ipv6/ip6_output.c:201 [inline] ip6_finish_output+0x6a0/0xa80 net/ipv6/ip6_output.c:212 dst_output include/net/dst.h:444 [inline] NF_HOOK include/linux/netfilter.h:302 [inline] ndisc_send_skb+0xbab/0x14e0 net/ipv6/ndisc.c:509 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3962 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 do_softirq+0x162/0x240 kernel/softirq.c:472 __local_bh_enable_ip+0x1b1/0x1f0 kernel/softirq.c:396 neigh_periodic_work+0xb31/0xd40 net/core/neighbour.c:1017 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 4282 Comm: kworker/1:12 Not tainted 6.1.99-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Workqueue: events_power_efficient gc_worker RIP: 0010:rol32 include/linux/bitops.h:127 [inline] RIP: 0010:jhash2 include/linux/jhash.h:129 [inline] RIP: 0010:hash_stack lib/stackdepot.c:276 [inline] RIP: 0010:__stack_depot_save+0x87/0x470 lib/stackdepot.c:444 Code: 71 f5 75 83 fe 04 72 6b 44 89 ed 44 89 e8 4c 89 fa 03 02 03 6a 04 44 03 6a 08 44 89 ef c1 c7 04 44 29 e8 31 c7 41 01 ed 29 fd <89> fb c1 c3 06 31 eb 44 01 ef 89 d9 c1 c1 08 41 29 dd 44 31 e9 01 RSP: 0018:ffffc900001e0538 EFLAGS: 00000a87 RAX: 000000003d568a02 RBX: 0000000097bf86dc RCX: 00000000809e306b RDX: ffffc900001e05e8 RSI: 000000000000000a RDI: 0000000085f44ead RBP: 00000000c142fe41 R08: 000000000000000e R09: 0000000000000001 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000a20 R13: 0000000042c17938 R14: 0000000000000000 R15: ffffc900001e05a0 FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faabd2356e0 CR3: 000000005a23d000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x60/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383 kmalloc include/linux/slab.h:556 [inline] dst_cow_metrics_generic+0x52/0x1b0 net/core/dst.c:195 dst_metrics_write_ptr include/net/dst.h:119 [inline] dst_metric_set include/net/dst.h:180 [inline] icmp6_dst_alloc+0x2bf/0x470 net/ipv6/route.c:3282 ndisc_send_skb+0x344/0x14e0 net/ipv6/ndisc.c:489 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3962 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504 expire_timers kernel/time/timer.c:1549 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1820 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571 __do_softirq kernel/softirq.c:605 [inline] invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653 RIP: 0010:seqcount_lockdep_reader_access+0x1dc/0x220 include/linux/seqlock.h:105 Code: f8 4d 85 ed 75 16 e8 b3 a0 c6 f8 eb 15 e8 ac a0 c6 f8 e8 e7 43 c7 01 4d 85 ed 74 ea e8 9d a0 c6 f8 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3c 00 00 00 00 66 43 c7 44 3c 09 00 00 43 c6 44 3c 0b 00 RSP: 0018:ffffc900032bfa40 EFLAGS: 00000293 RAX: ffffffff88c3f5b3 RBX: 0000000000000000 RCX: ffff888024d03b80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900032bfaf0 R08: ffffffff88c3f589 R09: fffffbfff2093856 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000200 R14: 0000000000000046 R15: 1ffff92000657f48 nf_conntrack_get_ht include/net/netfilter/nf_conntrack.h:343 [inline] gc_worker+0x325/0x1530 net/netfilter/nf_conntrack_core.c:1503 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439 kthread+0x28d/0x320 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308