watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor.3:12871] Modules linked in: CPU: 0 PID: 12871 Comm: syz-executor.3 Tainted: G W 5.15.149-syzkaller-00165-g85445b5a2107 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 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+0x147/0x180 arch/x86/kernel/kvm.c:918 Code: 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 34 41 0f b6 45 00 44 38 f0 75 10 66 90 0f 00 2d 4b 02 f3 03 fb f4 24 ff ff ff fb e9 1e ff ff ff 44 89 e9 80 e1 07 38 c1 7c a3 4c RSP: 0018:ffffc900000063a0 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff92000000c78 RCX: ffffffff8154fb7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810a845280 RBP: ffffc90000006450 R08: dffffc0000000000 R09: ffffed1021508a51 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810a845280 R14: 0000000000000003 R15: 1ffff92000000c7c FS: 00007faa6c9ee6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007faa6d7a0550 CR3: 000000012a2a0000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:363 [inline] __netif_tx_lock include/linux/netdevice.h:4469 [inline] sch_direct_xmit+0x19f/0x9b0 net/sched/sch_generic.c:340 __dev_xmit_skb net/core/dev.c:3851 [inline] __dev_queue_xmit+0x161e/0x2e70 net/core/dev.c:4220 dev_queue_xmit+0x17/0x20 net/core/dev.c:4288 neigh_hh_output include/net/neighbour.h:501 [inline] neigh_output include/net/neighbour.h:515 [inline] ip_finish_output2+0xb9f/0xf60 net/ipv4/ip_output.c:228 __ip_finish_output+0x162/0x360 ip_finish_output+0x31/0x210 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip_output+0x1d6/0x420 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:444 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x1105/0x1c20 net/ipv4/ip_output.c:532 ip_queue_xmit+0x4c/0x70 net/ipv4/ip_output.c:546 __tcp_transmit_skb+0x1e84/0x3920 net/ipv4/tcp_output.c:1402 __tcp_send_ack+0x303/0x710 net/ipv4/tcp_output.c:4007 tcp_send_ack+0x3b/0x60 net/ipv4/tcp_output.c:4013 __tcp_ack_snd_check+0x3fc/0x970 net/ipv4/tcp_input.c:5521 tcp_ack_snd_check net/ipv4/tcp_input.c:5567 [inline] tcp_rcv_established+0x9d6/0x1ac0 net/ipv4/tcp_input.c:5992 tcp_v4_do_rcv+0x3d7/0xa00 net/ipv4/tcp_ipv4.c:1722 tcp_v4_rcv+0x23dd/0x2a70 net/ipv4/tcp_ipv4.c:2125 ip_protocol_deliver_rcu+0x32f/0x710 net/ipv4/ip_input.c:204 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] ip_local_deliver+0x2c6/0x590 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:454 [inline] ip_sublist_rcv_finish net/ipv4/ip_input.c:577 [inline] ip_list_rcv_finish net/ipv4/ip_input.c:628 [inline] ip_sublist_rcv+0x7e2/0x980 net/ipv4/ip_input.c:636 ip_list_rcv+0x422/0x470 net/ipv4/ip_input.c:671 __netif_receive_skb_list_ptype net/core/dev.c:5535 [inline] __netif_receive_skb_list_core+0x6b1/0x890 net/core/dev.c:5583 __netif_receive_skb_list net/core/dev.c:5635 [inline] netif_receive_skb_list_internal+0x967/0xcc0 net/core/dev.c:5726 gro_normal_list net/core/dev.c:5880 [inline] napi_complete_done+0x344/0x770 net/core/dev.c:6618 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline] virtnet_poll+0xbee/0x1260 drivers/net/virtio_net.c:1592 __napi_poll+0xc4/0x5a0 net/core/dev.c:7042 napi_poll net/core/dev.c:7109 [inline] net_rx_action+0x47d/0xc50 net/core/dev.c:7196 __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 common_interrupt+0xb4/0xd0 arch/x86/kernel/irq.c:240 asm_common_interrupt+0x27/0x40 arch/x86/include/asm/idtentry.h:629 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:440 [inline] RIP: 0010:smp_call_function_many_cond+0x841/0x9b0 kernel/smp.c:969 Code: 00 00 45 8b 7d 00 44 89 fe 83 e6 01 31 ff e8 76 a8 0a 00 41 83 e7 01 49 bf 00 00 00 00 00 fc ff df 75 07 e8 b1 a4 0a 00 eb 38 90 42 0f b6 04 3b 84 c0 75 11 41 f7 45 00 01 00 00 00 74 1e e8 RSP: 0018:ffffc90000befa20 EFLAGS: 00000246 RAX: ffffffff816592cb RBX: 1ffff1103ee2784d RCX: 0000000000040000 RDX: ffffc9000106d000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: ffffc90000befb38 R08: ffffffff8165929a R09: ffffed103ee071d3 R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001 R13: ffff8881f713c268 R14: ffff8881f7038e80 R15: dffffc0000000000 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:1201 [inline] text_poke_bp_batch+0x1c4/0x5d0 arch/x86/kernel/alternative.c:1392 text_poke_flush arch/x86/kernel/alternative.c:1560 [inline] text_poke_finish+0x1a/0x30 arch/x86/kernel/alternative.c:1567 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_slow_inc_cpuslocked+0x138/0x230 kernel/jump_label.c:144 static_key_slow_inc+0x1a/0x30 kernel/jump_label.c:159 bpf_enable_runtime_stats kernel/bpf/syscall.c:4478 [inline] bpf_enable_stats+0x100/0x140 kernel/bpf/syscall.c:4497 __sys_bpf+0x55b/0x760 kernel/bpf/syscall.c:4716 __do_sys_bpf kernel/bpf/syscall.c:4737 [inline] __se_sys_bpf kernel/bpf/syscall.c:4735 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:4735 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7faa6d673ea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007faa6c9ee0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007faa6d7aaf80 RCX: 00007faa6d673ea9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000020 RBP: 00007faa6d6e2ff4 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007faa6d7aaf80 R15: 00007ffc8ae5b338 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 12869 Comm: syz-executor.2 Tainted: G W 5.15.149-syzkaller-00165-g85445b5a2107 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:native_halt arch/x86/include/asm/irqflags.h:57 [inline] RIP: 0010:halt arch/x86/include/asm/irqflags.h:98 [inline] RIP: 0010:kvm_wait+0x117/0x180 arch/x86/kernel/kvm.c:912 Code: 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b 74 24 1c 75 53 41 0f b6 45 00 44 38 f0 0f 85 63 ff ff ff 66 90 0f 00 2d 7a 02 f3 03 f4 54 ff ff ff fa 4c 89 e8 48 c1 e8 03 42 0f b6 04 20 84 c0 44 8b RSP: 0018:ffffc900001d0520 EFLAGS: 00000046 RAX: 0000000000000003 RBX: 1ffff9200003a0a8 RCX: ffffffff8154fb7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff8881f71378c0 RBP: ffffc900001d05d0 R08: dffffc0000000000 R09: ffffed103ee26f19 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f71378c0 R14: 0000000000000003 R15: 1ffff9200003a0ac FS: 00007f14b50a56c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000786c6c257830 CR3: 000000011bf0f000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_wait arch/x86/include/asm/paravirt.h:597 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x6bc/0xc40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock include/linux/spinlock.h:187 [inline] __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x139/0x1b0 kernel/locking/spinlock.c:154 raw_spin_rq_lock_nested kernel/sched/core.c:489 [inline] raw_spin_rq_lock kernel/sched/sched.h:1352 [inline] rq_lock kernel/sched/sched.h:1660 [inline] ttwu_queue kernel/sched/core.c:3908 [inline] try_to_wake_up+0x625/0x1160 kernel/sched/core.c:4251 wake_up_process+0x10/0x20 kernel/sched/core.c:4322 hrtimer_wakeup+0x62/0x80 kernel/time/hrtimer.c:1939 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x41a/0xad0 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x40c/0xaa0 kernel/time/hrtimer.c:1811 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:tcp_wfree+0x0/0x4b0 net/ipv4/tcp_output.c:1136 Code: 84 24 a0 00 00 00 75 0f 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 1e 74 97 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 RSP: 0018:ffffc900001d0c10 EFLAGS: 00000246 RAX: ffffffff83df1e4b RBX: 1ffff11021bb6e5b RCX: ffff888118fe62c0 RDX: 0000000080000105 RSI: 0000000000000000 RDI: ffff88810ddb7278 RBP: ffffc900001d0c40 R08: ffffffff83df1e39 R09: ffffed1021bb6e6d R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000000 R14: ffff88810ddb7278 R15: ffff88810ddb72d8 napi_consume_skb+0xbb/0x2a0 free_old_xmit_skbs+0x119/0x290 drivers/net/virtio_net.c:1519 virtnet_poll_tx+0x1d0/0x500 drivers/net/virtio_net.c:1686 __napi_poll+0xc4/0x5a0 net/core/dev.c:7042 napi_poll net/core/dev.c:7109 [inline] net_rx_action+0x47d/0xc50 net/core/dev.c:7196 __do_softirq+0x26d/0x5bf kernel/softirq.c:565 do_softirq+0xf6/0x150 kernel/softirq.c:452 __local_bh_enable_ip+0x75/0x80 kernel/softirq.c:379 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:176 [inline] _raw_spin_unlock_bh+0x51/0x60 kernel/locking/spinlock.c:210 __sock_map_delete net/core/sock_map.c:426 [inline] sock_map_delete_elem+0xcb/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0xf38 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:625 [inline] bpf_prog_run include/linux/filter.h:632 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run3+0x11e/0x250 kernel/trace/bpf_trace.c:1918 __bpf_trace_sched_switch+0xb/0x10 include/trace/events/sched.h:220 __traceiter_sched_switch+0x85/0xc0 include/trace/events/sched.h:220 trace_sched_switch include/trace/events/sched.h:220 [inline] __schedule+0x134b/0x1590 kernel/sched/core.c:6509 preempt_schedule_common+0x9b/0xf0 kernel/sched/core.c:6688 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6713 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 smp_call_function_single+0x45e/0x510 kernel/smp.c:760 task_function_call kernel/events/core.c:119 [inline] perf_install_in_context+0x582/0x8b0 kernel/events/core.c:2990 __do_sys_perf_event_open kernel/events/core.c:12571 [inline] __se_sys_perf_event_open+0x2e57/0x3ce0 kernel/events/core.c:12165 __x64_sys_perf_event_open+0xbf/0xd0 kernel/events/core.c:12165 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f14b5d2aea9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f14b50a50c8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f14b5e61f80 RCX: 00007f14b5d2aea9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000100 RBP: 00007f14b5d99ff4 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f14b5e61f80 R15: 00007ffc2e943a18