watchdog: BUG: soft lockup - CPU#0 stuck for 225s! [syz-executor.3:395] Modules linked in: CPU: 0 PID: 395 Comm: syz-executor.3 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:pv_wait_node kernel/locking/qspinlock_paravirt.h:301 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x38b/0xc40 kernel/locking/qspinlock.c:473 Code: 00 00 00 00 00 fc ff df 41 0f b6 04 16 84 c0 0f 85 ac 00 00 00 48 8b 44 24 08 83 38 00 0f 85 15 01 00 00 45 84 e4 74 09 f3 90 <41> ff cc 75 d9 eb 1b 48 8b 44 24 20 0f b6 04 10 84 c0 0f 85 cd 00 RSP: 0000:ffffc90000006860 EFLAGS: 00000206 RAX: ffff8881f7037ec8 RBX: ffff8881f7037ed4 RCX: 0000000000000000 RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8881f7037ed4 RBP: ffffc90000006950 R08: dffffc0000000000 R09: ffffed103ee06fdb R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000d14 R13: 1ffff11021c0df1d R14: 1ffff1103ee06fd9 R15: ffff88810e06f8e8 FS: 00007f919041f6c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f919041ef38 CR3: 000000012d640000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937 bpf_prog_2c29ac5cdc6b1842+0x3a/0x9a4 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:1883 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920 __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+0x10a3/0x1ac0 net/ipv4/tcp_input.c:5948 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:__rcu_read_unlock+0x0/0xd0 kernel/rcu/tree_plugin.h:415 Code: c1 03 38 c1 7c d8 4c 89 ff e8 ec 34 55 00 eb ce 44 89 f9 80 e1 07 80 c1 03 38 c1 7c d0 4c 89 ff e8 75 35 55 00 eb c6 0f 1f 00 <55> 48 89 e5 41 57 41 56 41 55 41 54 53 49 bf 00 00 00 00 00 fc ff RSP: 0000:ffffc90005667ad8 EFLAGS: 00000287 RAX: ffffffff81a78e84 RBX: 0000000000000200 RCX: 0000000000040000 RDX: ffffc900044c0000 RSI: 0000000000000013 RDI: 0000000000000014 RBP: ffffc90005667df8 R08: ffffffff81a78e73 R09: fffff52000accfe3 R10: 0000000000000003 R11: dffffc0000000001 R12: ffff88810e514000 R13: dffffc0000000000 R14: 0000000000000246 R15: ffffc90005667e30 do_user_addr_fault arch/x86/mm/fault.c:1365 [inline] handle_page_fault arch/x86/mm/fault.c:1549 [inline] exc_page_fault+0x26f/0x830 arch/x86/mm/fault.c:1605 asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7f9191659ae1 Code: 35 b5 ff ff 48 89 d7 e8 1d dc ff ff 48 89 c7 e8 15 dc ff ff 0f 1f 44 00 00 41 57 41 56 41 55 41 54 55 53 48 81 ec 88 01 00 00 <48> 89 7c 24 38 48 89 74 24 30 48 89 54 24 28 48 89 4c 24 20 4c 89 RSP: 002b:00007f919041ef00 EFLAGS: 00010206 RAX: 00007f9191659ad0 RBX: 00007f91917d9f80 RCX: 00000000200003c0 RDX: 0000000001008012 RSI: 0000000020000180 RDI: 0000000020000580 RBP: 00007f91916f749e R08: 0000000000000001 R09: 00000000000005e5 R10: 0000000020000580 R11: 0000000001008012 R12: 0000000000000000 R13: 000000000000000b R14: 00007f91917d9f80 R15: 00007ffe9d8c37a8 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 307 Comm: syz-executor.4 Not tainted 5.15.149-syzkaller-00490-g5d96939590c0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 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 5b 03 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:ffffc90000ae6860 EFLAGS: 00000246 RAX: 0000000000000003 RBX: 1ffff9200015cd10 RCX: ffffffff8154fa7f RDX: dffffc0000000000 RSI: 0000000000000003 RDI: ffff88810e06f8e8 RBP: ffffc90000ae6910 R08: dffffc0000000000 R09: ffffed1021c0df1e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff88810e06f8e8 R14: 0000000000000003 R15: 1ffff9200015cd14 FS: 0000555555cd3480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555cdc818 CR3: 0000000123f44000 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_bh include/linux/spinlock_api_smp.h:136 [inline] _raw_spin_lock_bh+0x139/0x1b0 kernel/locking/spinlock.c:178 sock_hash_delete_elem+0xb1/0x2f0 net/core/sock_map.c:937 bpf_prog_2c29ac5cdc6b1842+0x3a/0x9a4 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:1883 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920 __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_hash_delete_elem+0x274/0x2f0 net/core/sock_map.c:941 bpf_prog_2c29ac5cdc6b1842+0x3a/0x9a4 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:1883 [inline] bpf_trace_run2+0xec/0x210 kernel/trace/bpf_trace.c:1920 __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 __vfree mm/vmalloc.c:2700 [inline] vfree+0x7f/0xb0 mm/vmalloc.c:2731 copy_entries_to_user net/ipv4/netfilter/ip_tables.c:867 [inline] get_entries net/ipv4/netfilter/ip_tables.c:1023 [inline] do_ipt_get_ctl+0x11d3/0x1880 net/ipv4/netfilter/ip_tables.c:1661 nf_getsockopt+0x26c/0x290 net/netfilter/nf_sockopt.c:116 ip_getsockopt+0x1434/0x1da0 net/ipv4/ip_sockglue.c:1787 tcp_getsockopt+0x257/0x7150 net/ipv4/tcp.c:4298 sock_common_getsockopt+0x99/0xb0 net/core/sock.c:3421 __sys_getsockopt+0x290/0x4f0 net/socket.c:2242 __do_sys_getsockopt net/socket.c:2257 [inline] __se_sys_getsockopt net/socket.c:2254 [inline] __x64_sys_getsockopt+0xbf/0xd0 net/socket.c:2254 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: 0033:0x7f0cf4364a8a Code: c4 c1 e0 1a 0d 00 00 04 00 89 01 e9 e0 fe ff ff e8 3b 05 00 00 66 2e 0f 1f 84 00 00 00 00 00 90 49 89 ca b8 37 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 b0 ff ff ff f7 RSP: 002b:00007fffe77939d8 EFLAGS: 00000212 ORIG_RAX: 0000000000000037 RAX: ffffffffffffffda RBX: 00007fffe7793a60 RCX: 00007f0cf4364a8a RDX: 0000000000000041 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 00007fffe77939fc R09: 00007fffe7793e17 R10: 00007fffe7793a60 R11: 0000000000000212 R12: 00007f0cf4462a80 R13: 00007fffe77939fc R14: 0000000000000000 R15: 00007f0cf4463ec0