======================================================== WARNING: possible irq lock inversion dependency detected 6.1.0-rc6-syzkaller-32662-g6d464646530f #0 Not tainted -------------------------------------------------------- syz-executor.5/27483 just changed the state of lock: ffff0001083e9430 (k-slock-AF_INET#2){+.-.}-{2:2}, at: spin_lock include/linux/spinlock.h:350 [inline] ffff0001083e9430 (k-slock-AF_INET#2){+.-.}-{2:2}, at: dccp_v4_ctl_send_reset+0x468/0x5d8 net/dccp/ipv4.c:569 but this lock took another, SOFTIRQ-unsafe lock in the past: (k-clock-AF_INET){+++.}-{2:2} and interrupts could create inverse lock ordering between them. other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(k-clock-AF_INET); local_irq_disable(); lock(k-slock-AF_INET#2); lock(k-clock-AF_INET); lock(k-slock-AF_INET#2); *** DEADLOCK *** 4 locks held by syz-executor.5/27483: #0: ffff0001083ecf30 (sk_lock-AF_INET){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1721 [inline] #0: ffff0001083ecf30 (sk_lock-AF_INET){+.+.}-{0:0}, at: inet_stream_connect+0x34/0x74 net/ipv4/af_inet.c:728 #1: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:303 #2: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 include/linux/rcupdate.h:303 #3: ffff80000d4a4640 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c include/linux/rcupdate.h:303 the shortest dependencies between 2nd lock and 1st lock: -> (k-clock-AF_INET){+++.}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_write_lock_bh include/linux/rwlock_api_smp.h:202 [inline] _raw_write_lock_bh+0x54/0x6c kernel/locking/spinlock.c:334 sock_orphan include/net/sock.h:2090 [inline] dccp_close+0x39c/0x688 net/dccp/proto.c:1039 inet_release+0xc8/0xe4 net/ipv4/af_inet.c:428 __sock_release net/socket.c:650 [inline] sock_release+0x34/0xac net/socket.c:678 inet_ctl_sock_destroy include/net/inet_common.h:71 [inline] dccp_v4_exit_net+0x3c/0x54 net/dccp/ipv4.c:1050 ops_exit_list net/core/net_namespace.c:169 [inline] cleanup_net+0x348/0x648 net/core/net_namespace.c:601 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 HARDIRQ-ON-R at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x64/0x7c kernel/locking/spinlock.c:252 sock_i_uid+0x24/0x58 net/core/sock.c:2542 udp_lib_lport_inuse+0x44/0x268 net/ipv4/udp.c:140 udp_lib_get_port+0x2bc/0x8f8 net/ipv4/udp.c:306 udp_v4_get_port+0xe0/0xf0 net/ipv4/udp.c:356 __inet_bind+0x31c/0x45c net/ipv4/af_inet.c:525 inet_bind+0xe8/0x144 net/ipv4/af_inet.c:456 kernel_bind+0x3c/0x50 net/socket.c:3440 udp_sock_create4+0xe8/0x208 net/ipv4/udp_tunnel_core.c:30 udp_sock_create include/net/udp_tunnel.h:59 [inline] rxe_setup_udp_tunnel drivers/infiniband/sw/rxe/rxe_net.c:186 [inline] rxe_net_ipv4_init drivers/infiniband/sw/rxe/rxe_net.c:622 [inline] rxe_net_init+0x74/0x280 drivers/infiniband/sw/rxe/rxe_net.c:667 rxe_module_init+0x18/0x64 drivers/infiniband/sw/rxe/rxe.c:213 do_one_initcall+0x118/0x22c init/main.c:1303 do_initcall_level+0xac/0xe4 init/main.c:1376 do_initcalls+0x58/0xa8 init/main.c:1392 do_basic_setup+0x20/0x2c init/main.c:1411 kernel_init_freeable+0xb8/0x148 init/main.c:1631 kernel_init+0x24/0x290 init/main.c:1519 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 SOFTIRQ-ON-W at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_write_lock include/linux/rwlock_api_smp.h:209 [inline] _raw_write_lock+0x54/0x6c kernel/locking/spinlock.c:300 l2tp_tunnel_register+0x354/0x79c net/l2tp/l2tp_core.c:1477 l2tp_nl_cmd_tunnel_create+0x1f8/0x330 net/l2tp/l2tp_netlink.c:245 genl_family_rcv_msg_doit net/netlink/genetlink.c:756 [inline] genl_family_rcv_msg net/netlink/genetlink.c:833 [inline] genl_rcv_msg+0x458/0x4f4 net/netlink/genetlink.c:850 netlink_rcv_skb+0xe8/0x1d4 net/netlink/af_netlink.c:2540 genl_rcv+0x38/0x50 net/netlink/genetlink.c:861 netlink_unicast_kernel+0xfc/0x1dc net/netlink/af_netlink.c:1319 netlink_unicast+0x164/0x248 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x484/0x584 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg net/socket.c:734 [inline] ____sys_sendmsg+0x2f8/0x440 net/socket.c:2482 ___sys_sendmsg net/socket.c:2536 [inline] __sys_sendmsg+0x1ac/0x228 net/socket.c:2565 __do_sys_sendmsg net/socket.c:2574 [inline] __se_sys_sendmsg net/socket.c:2572 [inline] __arm64_sys_sendmsg+0x2c/0x3c net/socket.c:2572 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 INITIAL USE at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_write_lock_bh include/linux/rwlock_api_smp.h:202 [inline] _raw_write_lock_bh+0x54/0x6c kernel/locking/spinlock.c:334 sock_orphan include/net/sock.h:2090 [inline] dccp_close+0x39c/0x688 net/dccp/proto.c:1039 inet_release+0xc8/0xe4 net/ipv4/af_inet.c:428 __sock_release net/socket.c:650 [inline] sock_release+0x34/0xac net/socket.c:678 inet_ctl_sock_destroy include/net/inet_common.h:71 [inline] dccp_v4_exit_net+0x3c/0x54 net/dccp/ipv4.c:1050 ops_exit_list net/core/net_namespace.c:169 [inline] cleanup_net+0x348/0x648 net/core/net_namespace.c:601 process_one_work+0x2d8/0x504 kernel/workqueue.c:2289 worker_thread+0x340/0x610 kernel/workqueue.c:2436 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 INITIAL READ USE at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_read_lock_bh include/linux/rwlock_api_smp.h:176 [inline] _raw_read_lock_bh+0x64/0x7c kernel/locking/spinlock.c:252 sock_i_uid+0x24/0x58 net/core/sock.c:2542 udp_lib_lport_inuse+0x44/0x268 net/ipv4/udp.c:140 udp_lib_get_port+0x2bc/0x8f8 net/ipv4/udp.c:306 udp_v4_get_port+0xe0/0xf0 net/ipv4/udp.c:356 __inet_bind+0x31c/0x45c net/ipv4/af_inet.c:525 inet_bind+0xe8/0x144 net/ipv4/af_inet.c:456 kernel_bind+0x3c/0x50 net/socket.c:3440 udp_sock_create4+0xe8/0x208 net/ipv4/udp_tunnel_core.c:30 udp_sock_create include/net/udp_tunnel.h:59 [inline] rxe_setup_udp_tunnel drivers/infiniband/sw/rxe/rxe_net.c:186 [inline] rxe_net_ipv4_init drivers/infiniband/sw/rxe/rxe_net.c:622 [inline] rxe_net_init+0x74/0x280 drivers/infiniband/sw/rxe/rxe_net.c:667 rxe_module_init+0x18/0x64 drivers/infiniband/sw/rxe/rxe.c:213 do_one_initcall+0x118/0x22c init/main.c:1303 do_initcall_level+0xac/0xe4 init/main.c:1376 do_initcalls+0x58/0xa8 init/main.c:1392 do_basic_setup+0x20/0x2c init/main.c:1411 kernel_init_freeable+0xb8/0x148 init/main.c:1631 kernel_init+0x24/0x290 init/main.c:1519 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 } ... key at: [] af_kern_callback_keys+0x20/0x2e0 ... acquired at: __raw_write_lock_bh include/linux/rwlock_api_smp.h:202 [inline] _raw_write_lock_bh+0x54/0x6c kernel/locking/spinlock.c:334 sock_orphan include/net/sock.h:2090 [inline] __mptcp_close+0x190/0x444 net/mptcp/protocol.c:2943 mptcp_close+0x38/0x168 net/mptcp/protocol.c:2969 inet_release+0xc8/0xe4 net/ipv4/af_inet.c:428 __sock_release net/socket.c:650 [inline] sock_close+0x50/0xf0 net/socket.c:1365 __fput+0x198/0x3e4 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x100/0x148 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x174/0x1f0 arch/arm64/kernel/signal.c:1127 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x9c/0x150 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 -> (k-slock-AF_INET#2){+.-.}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] lock_sock_nested+0x88/0xd8 net/core/sock.c:3450 lock_sock include/net/sock.h:1721 [inline] __inet_bind+0x208/0x45c net/ipv4/af_inet.c:511 inet_bind+0xe8/0x144 net/ipv4/af_inet.c:456 kernel_bind+0x3c/0x50 net/socket.c:3440 udp_sock_create4+0xe8/0x208 net/ipv4/udp_tunnel_core.c:30 udp_sock_create include/net/udp_tunnel.h:59 [inline] rxe_setup_udp_tunnel drivers/infiniband/sw/rxe/rxe_net.c:186 [inline] rxe_net_ipv4_init drivers/infiniband/sw/rxe/rxe_net.c:622 [inline] rxe_net_init+0x74/0x280 drivers/infiniband/sw/rxe/rxe_net.c:667 rxe_module_init+0x18/0x64 drivers/infiniband/sw/rxe/rxe.c:213 do_one_initcall+0x118/0x22c init/main.c:1303 do_initcall_level+0xac/0xe4 init/main.c:1376 do_initcalls+0x58/0xa8 init/main.c:1392 do_basic_setup+0x20/0x2c init/main.c:1411 kernel_init_freeable+0xb8/0x148 init/main.c:1631 kernel_init+0x24/0x290 init/main.c:1519 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 IN-SOFTIRQ-W at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] dccp_v4_ctl_send_reset+0x468/0x5d8 net/dccp/ipv4.c:569 dccp_v4_rcv+0xae0/0xce4 net/dccp/ipv4.c:924 ip_protocol_deliver_rcu+0x224/0x414 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x124/0x200 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:302 [inline] ip_local_deliver+0xd0/0xf4 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:455 [inline] ip_rcv_finish+0x16c/0x190 net/ipv4/ip_input.c:444 NF_HOOK include/linux/netfilter.h:302 [inline] ip_rcv+0x80/0xb0 net/ipv4/ip_input.c:564 __netif_receive_skb_one_core net/core/dev.c:5489 [inline] __netif_receive_skb+0x70/0x14c net/core/dev.c:5603 process_backlog+0x240/0x388 net/core/dev.c:5931 __napi_poll+0x5c/0x24c net/core/dev.c:6498 napi_poll+0x110/0x484 net/core/dev.c:6565 net_rx_action+0x18c/0x414 net/core/dev.c:6676 _stext+0x168/0x37c ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:892 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 do_softirq+0xac/0x108 kernel/softirq.c:472 __local_bh_enable_ip+0x18c/0x1a4 kernel/softirq.c:396 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33 rcu_read_unlock_bh include/linux/rcupdate.h:808 [inline] ip_finish_output2+0x7ac/0x818 net/ipv4/ip_output.c:229 __ip_finish_output+0x108/0x29c ip_finish_output+0x168/0x188 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_output+0x1d4/0x234 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:445 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x740/0x8e4 net/ipv4/ip_output.c:532 ip_queue_xmit+0x38/0x4c net/ipv4/ip_output.c:546 dccp_transmit_skb+0x558/0x69c net/dccp/output.c:138 dccp_connect+0x21c/0x340 net/dccp/output.c:569 dccp_v4_connect+0x4e4/0x54c net/dccp/ipv4.c:149 __inet_stream_connect+0x124/0x55c net/ipv4/af_inet.c:665 inet_stream_connect+0x4c/0x74 net/ipv4/af_inet.c:729 __sys_connect_file net/socket.c:1976 [inline] __sys_connect+0x184/0x190 net/socket.c:1993 __do_sys_connect net/socket.c:2003 [inline] __se_sys_connect net/socket.c:2000 [inline] __arm64_sys_connect+0x28/0x3c net/socket.c:2000 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 INITIAL USE at: lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:126 [inline] _raw_spin_lock_bh+0x54/0x6c kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:355 [inline] lock_sock_nested+0x88/0xd8 net/core/sock.c:3450 lock_sock include/net/sock.h:1721 [inline] __inet_bind+0x208/0x45c net/ipv4/af_inet.c:511 inet_bind+0xe8/0x144 net/ipv4/af_inet.c:456 kernel_bind+0x3c/0x50 net/socket.c:3440 udp_sock_create4+0xe8/0x208 net/ipv4/udp_tunnel_core.c:30 udp_sock_create include/net/udp_tunnel.h:59 [inline] rxe_setup_udp_tunnel drivers/infiniband/sw/rxe/rxe_net.c:186 [inline] rxe_net_ipv4_init drivers/infiniband/sw/rxe/rxe_net.c:622 [inline] rxe_net_init+0x74/0x280 drivers/infiniband/sw/rxe/rxe_net.c:667 rxe_module_init+0x18/0x64 drivers/infiniband/sw/rxe/rxe.c:213 do_one_initcall+0x118/0x22c init/main.c:1303 do_initcall_level+0xac/0xe4 init/main.c:1376 do_initcalls+0x58/0xa8 init/main.c:1392 do_basic_setup+0x20/0x2c init/main.c:1411 kernel_init_freeable+0xb8/0x148 init/main.c:1631 kernel_init+0x24/0x290 init/main.c:1519 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:863 } ... key at: [] af_family_kern_slock_keys+0x20/0x2e0 ... acquired at: mark_lock+0x154/0x1b4 kernel/locking/lockdep.c:4634 __lock_acquire+0x5a0/0x3084 kernel/locking/lockdep.c:5009 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] dccp_v4_ctl_send_reset+0x468/0x5d8 net/dccp/ipv4.c:569 dccp_v4_rcv+0xae0/0xce4 net/dccp/ipv4.c:924 ip_protocol_deliver_rcu+0x224/0x414 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x124/0x200 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:302 [inline] ip_local_deliver+0xd0/0xf4 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:455 [inline] ip_rcv_finish+0x16c/0x190 net/ipv4/ip_input.c:444 NF_HOOK include/linux/netfilter.h:302 [inline] ip_rcv+0x80/0xb0 net/ipv4/ip_input.c:564 __netif_receive_skb_one_core net/core/dev.c:5489 [inline] __netif_receive_skb+0x70/0x14c net/core/dev.c:5603 process_backlog+0x240/0x388 net/core/dev.c:5931 __napi_poll+0x5c/0x24c net/core/dev.c:6498 napi_poll+0x110/0x484 net/core/dev.c:6565 net_rx_action+0x18c/0x414 net/core/dev.c:6676 _stext+0x168/0x37c ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:892 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 do_softirq+0xac/0x108 kernel/softirq.c:472 __local_bh_enable_ip+0x18c/0x1a4 kernel/softirq.c:396 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33 rcu_read_unlock_bh include/linux/rcupdate.h:808 [inline] ip_finish_output2+0x7ac/0x818 net/ipv4/ip_output.c:229 __ip_finish_output+0x108/0x29c ip_finish_output+0x168/0x188 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_output+0x1d4/0x234 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:445 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x740/0x8e4 net/ipv4/ip_output.c:532 ip_queue_xmit+0x38/0x4c net/ipv4/ip_output.c:546 dccp_transmit_skb+0x558/0x69c net/dccp/output.c:138 dccp_connect+0x21c/0x340 net/dccp/output.c:569 dccp_v4_connect+0x4e4/0x54c net/dccp/ipv4.c:149 __inet_stream_connect+0x124/0x55c net/ipv4/af_inet.c:665 inet_stream_connect+0x4c/0x74 net/ipv4/af_inet.c:729 __sys_connect_file net/socket.c:1976 [inline] __sys_connect+0x184/0x190 net/socket.c:1993 __do_sys_connect net/socket.c:2003 [inline] __se_sys_connect net/socket.c:2000 [inline] __arm64_sys_connect+0x28/0x3c net/socket.c:2000 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 stack backtrace: CPU: 1 PID: 27483 Comm: syz-executor.5 Not tainted 6.1.0-rc6-syzkaller-32662-g6d464646530f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 Call trace: dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:156 show_stack+0x2c/0x54 arch/arm64/kernel/stacktrace.c:163 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x104/0x16c lib/dump_stack.c:106 dump_stack+0x1c/0x58 lib/dump_stack.c:113 print_irq_inversion_bug+0x2f8/0x300 kernel/locking/lockdep.c:4042 mark_lock_irq+0x3ec/0x4b4 mark_lock+0x154/0x1b4 kernel/locking/lockdep.c:4634 __lock_acquire+0x5a0/0x3084 kernel/locking/lockdep.c:5009 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:350 [inline] dccp_v4_ctl_send_reset+0x468/0x5d8 net/dccp/ipv4.c:569 dccp_v4_rcv+0xae0/0xce4 net/dccp/ipv4.c:924 ip_protocol_deliver_rcu+0x224/0x414 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x124/0x200 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:302 [inline] ip_local_deliver+0xd0/0xf4 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:455 [inline] ip_rcv_finish+0x16c/0x190 net/ipv4/ip_input.c:444 NF_HOOK include/linux/netfilter.h:302 [inline] ip_rcv+0x80/0xb0 net/ipv4/ip_input.c:564 __netif_receive_skb_one_core net/core/dev.c:5489 [inline] __netif_receive_skb+0x70/0x14c net/core/dev.c:5603 process_backlog+0x240/0x388 net/core/dev.c:5931 __napi_poll+0x5c/0x24c net/core/dev.c:6498 napi_poll+0x110/0x484 net/core/dev.c:6565 net_rx_action+0x18c/0x414 net/core/dev.c:6676 _stext+0x168/0x37c ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:80 call_on_irq_stack+0x2c/0x54 arch/arm64/kernel/entry.S:892 do_softirq_own_stack+0x20/0x2c arch/arm64/kernel/irq.c:85 do_softirq+0xac/0x108 kernel/softirq.c:472 __local_bh_enable_ip+0x18c/0x1a4 kernel/softirq.c:396 local_bh_enable+0x28/0x34 include/linux/bottom_half.h:33 rcu_read_unlock_bh include/linux/rcupdate.h:808 [inline] ip_finish_output2+0x7ac/0x818 net/ipv4/ip_output.c:229 __ip_finish_output+0x108/0x29c ip_finish_output+0x168/0x188 net/ipv4/ip_output.c:316 NF_HOOK_COND include/linux/netfilter.h:291 [inline] ip_output+0x1d4/0x234 net/ipv4/ip_output.c:430 dst_output include/net/dst.h:445 [inline] ip_local_out net/ipv4/ip_output.c:126 [inline] __ip_queue_xmit+0x740/0x8e4 net/ipv4/ip_output.c:532 ip_queue_xmit+0x38/0x4c net/ipv4/ip_output.c:546 dccp_transmit_skb+0x558/0x69c net/dccp/output.c:138 dccp_connect+0x21c/0x340 net/dccp/output.c:569 dccp_v4_connect+0x4e4/0x54c net/dccp/ipv4.c:149 __inet_stream_connect+0x124/0x55c net/ipv4/af_inet.c:665 inet_stream_connect+0x4c/0x74 net/ipv4/af_inet.c:729 __sys_connect_file net/socket.c:1976 [inline] __sys_connect+0x184/0x190 net/socket.c:1993 __do_sys_connect net/socket.c:2003 [inline] __se_sys_connect net/socket.c:2000 [inline] __arm64_sys_connect+0x28/0x3c net/socket.c:2000 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584