watchdog: BUG: soft lockup - CPU#0 stuck for 123s! [kworker/0:19:3069] Modules linked in: CPU: 0 PID: 3069 Comm: kworker/0:19 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 free_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+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 6b ef 12 04 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:ffffc9000561f7a0 EFLAGS: 00000246 RAX: 0000000000000001 RBX: 1ffff92000ac3ef8 RCX: 1ffffffff0d5ab14 RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff8881f7038ad4 RBP: ffffc9000561f850 R08: dffffc0000000000 R09: ffffed103ee0715b R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8881f7038ad4 R14: 0000000000000001 R15: 1ffff92000ac3efc FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000010ef4e000 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_node kernel/locking/qspinlock_paravirt.h:325 [inline] __pv_queued_spin_lock_slowpath+0x41b/0xc40 kernel/locking/qspinlock.c:473 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:419 [inline] sock_map_delete_elem+0x161/0x230 net/core/sock_map.c:451 bpf_prog_8a405b5ced52e191+0x42/0xbc4 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 kvfree+0x35/0x40 mm/util.c:664 __vunmap+0x850/0x8f0 mm/vmalloc.c:2657 free_work+0x5b/0x80 mm/vmalloc.c:96 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 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 3226 Comm: syz.1.793 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:perf_callchain_user+0x5c/0x1180 arch/x86/events/core.c:2874 Code: 80 3c 30 00 74 0c 48 c7 c7 40 3c 50 87 e8 2c 8b b1 00 48 8b 1d 15 1a 4f 06 48 85 db 74 31 48 89 d8 48 c1 e8 03 42 80 3c 30 00 <74> 08 48 89 df e8 0a 8b b1 00 ff 13 89 c3 31 ff 89 c6 e8 9d 4b 6f RSP: 0018:ffffc900001ceb48 EFLAGS: 00000046 RAX: 1ffffffff0d4fc64 RBX: ffffffff86a7e320 RCX: ffff8881130493c0 RDX: 0000000000010707 RSI: ffffc900054bff58 RDI: ffffc900001cec40 RBP: ffffc900001cebd0 R08: ffffffff819674e7 R09: ffffc900001ceb00 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff92000039d84 R13: ffffc900054bff58 R14: dffffc0000000000 R15: ffffc900001cec40 FS: 00007f7514c606c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd0b50676c0 CR3: 000000011756d000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: get_perf_callchain+0x549/0x810 kernel/events/callchain.c:221 perf_callchain kernel/events/core.c:7437 [inline] perf_prepare_sample+0x359/0x1a80 kernel/events/core.c:7464 __perf_event_output kernel/events/core.c:7633 [inline] perf_event_output_forward+0xdb/0x1b0 kernel/events/core.c:7653 __perf_event_overflow+0x20b/0x390 kernel/events/core.c:9323 perf_swevent_hrtimer+0x3fd/0x560 kernel/events/core.c:10719 __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:trylock_clear_pending kernel/locking/qspinlock_paravirt.h:121 [inline] RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:435 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5be/0xc40 kernel/locking/qspinlock.c:508 Code: dc c6 03 00 48 8b 44 24 10 0f b6 04 10 84 c0 0f 85 48 01 00 00 48 8b 44 24 08 c6 00 01 bb 00 80 ff ff eb 06 f3 90 ff c3 74 5e <41> 0f b6 44 15 00 84 c0 75 36 41 80 3f 00 75 ea 4c 89 ff be 02 00 RSP: 0018:ffffc900001cf540 EFLAGS: 00000282 RAX: 0000000000000000 RBX: 00000000ffffaca2 RCX: ffffffff81552d3f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff888122798928 RBP: ffffc900001cf630 R08: dffffc0000000000 R09: ffffed10244f3126 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881f7138ad4 R13: 1ffff110244f3125 R14: 1ffff1103ee20001 R15: ffff888122798928 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:419 [inline] sock_map_delete_elem+0x161/0x230 net/core/sock_map.c:451 bpf_prog_8a405b5ced52e191+0x42/0xbc4 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 sk_psock_free_link include/linux/skmsg.h:420 [inline] sock_map_del_link net/core/sock_map.c:160 [inline] sock_map_unref+0x352/0x4d0 net/core/sock_map.c:182 __sock_map_delete net/core/sock_map.c:425 [inline] sock_map_delete_elem+0x191/0x230 net/core/sock_map.c:451 bpf_prog_8a405b5ced52e191+0x42/0xbc4 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1917 __bpf_trace_kfree+0x6f/0x90 include/trace/events/kmem.h:118 trace_kfree include/trace/events/kmem.h:118 [inline] kfree+0x1f3/0x220 mm/slub.c:4569 skb_free_head net/core/skbuff.c:656 [inline] skb_release_data+0x8a9/0xa80 net/core/skbuff.c:678 skb_release_all net/core/skbuff.c:743 [inline] __kfree_skb+0x50/0x70 net/core/skbuff.c:757 sk_wmem_free_skb include/net/sock.h:1634 [inline] tcp_rtx_queue_unlink_and_free+0x203/0x720 include/net/tcp.h:1907 tcp_clean_rtx_queue net/ipv4/tcp_input.c:3343 [inline] tcp_ack+0x23e0/0x68a0 net/ipv4/tcp_input.c:3900 tcp_rcv_established+0xcd6/0x1ac0 net/ipv4/tcp_input.c:5904 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:7199 __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 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 e9 e3 ff ff fa bf 01 00 00 00 e8 ae 46 68 fc 65 48 8b 1d c6 60 RSP: 0018:ffffc900054bf640 EFLAGS: 00000246 RAX: 1ffff110226093ce RBX: 1ffff92000a97ecc RCX: ffffffff84e5de00 RDX: 1ffff1102260927d RSI: 0000000000000000 RDI: 0000000000000001 RBP: ffffc900054bf6c8 R08: ffffffff874cc040 R09: ffffffff874cc048 R10: ffffffff874cc058 R11: ffffffff874cc050 R12: ffffc900054bf660 R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff92000a97ec8 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:inet_twsk_purge+0x7ea/0x880 net/ipv4/inet_timewait_sock.c:264 Code: e8 bb 00 00 00 48 8b 5c 24 28 2e 2e 2e 31 c0 e8 fc 62 37 fd e9 0a f9 ff ff e8 72 63 37 fd 48 8b 74 24 58 ff c6 48 8b 54 24 38 <48> 89 d0 48 c1 e8 03 42 0f b6 04 38 84 c0 75 19 3b 32 77 38 48 89 RSP: 0018:ffffc900054bf7c0 EFLAGS: 00000206 RAX: 0000000000000000 RBX: 000000000000940e RCX: ffff8881130493c0 RDX: ffffffff8758bc10 RSI: 000000000000940f RDI: 000000000000940e RBP: ffffc900054bf8c8 R08: ffffffff8425e87a R09: ffffed102004ec5e R10: 0000000000000000 R11: dffffc0000000001 R12: 000000000000940e R13: 1ffffffff0e2d600 R14: ffffc900054bf960 R15: dffffc0000000000 tcp_sk_exit_batch+0x2c/0x90 net/ipv4/tcp_ipv4.c:3250 ops_exit_list net/core/net_namespace.c:174 [inline] setup_net+0x7ec/0xb50 net/core/net_namespace.c:352 copy_net_ns+0x35c/0x5b0 net/core/net_namespace.c:473 create_new_namespaces+0x416/0x670 kernel/nsproxy.c:110 copy_namespaces+0x1d1/0x220 kernel/nsproxy.c:178 copy_process+0x1174/0x3290 kernel/fork.c:2267 kernel_clone+0x21e/0x9e0 kernel/fork.c:2662 __do_sys_clone kernel/fork.c:2788 [inline] __se_sys_clone kernel/fork.c:2772 [inline] __x64_sys_clone+0x23f/0x290 kernel/fork.c:2772 x64_sys_call+0x1b0/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:57 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f7516003eb9 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:00007f7514c5ffe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f75161a0058 RCX: 00007f7516003eb9 RDX: 0000000020001b00 RSI: 0000000020000a20 RDI: 0000000042822000 RBP: 00007f751607193e R08: 0000000020001b80 R09: 0000000020001b80 R10: 0000000020001b40 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f75161a0058 R15: 00007ffe10bcccd8