INFO: task syz-executor:16484 blocked for more than 143 seconds. Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:26352 pid:16484 tgid:16484 ppid:1 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 tun_detach drivers/net/tun.c:698 [inline] tun_chr_close+0x38/0x230 drivers/net/tun.c:3517 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 get_signal+0x24ed/0x26c0 kernel/signal.c:3017 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb7b7587bbc RSP: 002b:00007ffca989b270 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: 0000000000000040 RBX: 00007fb7b82a4620 RCX: 00007fb7b7587bbc RDX: 0000000000000040 RSI: 00007fb7b82a4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffca989b2c4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fb7b82a4670 R15: 0000000000000000 INFO: task syz-executor:16487 blocked for more than 144 seconds. Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:24976 pid:16487 tgid:16487 ppid:1 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 tun_detach drivers/net/tun.c:698 [inline] tun_chr_close+0x38/0x230 drivers/net/tun.c:3517 __fput+0x3f8/0xb60 fs/file_table.c:450 task_work_run+0x14e/0x250 kernel/task_work.c:239 exit_task_work include/linux/task_work.h:43 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 get_signal+0x24ed/0x26c0 kernel/signal.c:3017 arch_do_signal_or_restart+0x90/0x7e0 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x150/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x250 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe655187bbc RSP: 002b:00007ffd3cf2b560 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: 000000000000003c RBX: 00007fe655ea4620 RCX: 00007fe655187bbc RDX: 000000000000003c RSI: 00007fe655ea4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffd3cf2b5b4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fe655ea4670 R15: 0000000000000000 INFO: task syz-executor:16596 blocked for more than 144 seconds. Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:27408 pid:16596 tgid:16596 ppid:1 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 rtnl_net_lock include/linux/rtnetlink.h:128 [inline] inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6922 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2542 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg net/socket.c:726 [inline] __sys_sendto+0x488/0x4f0 net/socket.c:2197 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc506987bbc RSP: 002b:00007ffca814d7d0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007fc5076a4620 RCX: 00007fc506987bbc RDX: 0000000000000028 RSI: 00007fc5076a4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffca814d824 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007fc5076a4670 R15: 0000000000000000 INFO: task syz-executor:16598 blocked for more than 145 seconds. Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor state:D stack:27248 pid:16598 tgid:16598 ppid:1 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5369 [inline] __schedule+0xe58/0x5ad0 kernel/sched/core.c:6756 __schedule_loop kernel/sched/core.c:6833 [inline] schedule+0xe7/0x350 kernel/sched/core.c:6848 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6905 __mutex_lock_common kernel/locking/mutex.c:665 [inline] __mutex_lock+0x62b/0xa60 kernel/locking/mutex.c:735 rtnl_net_lock include/linux/rtnetlink.h:128 [inline] inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 rtnetlink_rcv_msg+0x95b/0xea0 net/core/rtnetlink.c:6922 netlink_rcv_skb+0x16b/0x440 net/netlink/af_netlink.c:2542 netlink_unicast_kernel net/netlink/af_netlink.c:1321 [inline] netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1347 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1891 sock_sendmsg_nosec net/socket.c:711 [inline] __sock_sendmsg net/socket.c:726 [inline] __sys_sendto+0x488/0x4f0 net/socket.c:2197 __do_sys_sendto net/socket.c:2204 [inline] __se_sys_sendto net/socket.c:2200 [inline] __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2200 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7cc2d87bbc RSP: 002b:00007fff9771bbc0 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f7cc3aa4620 RCX: 00007f7cc2d87bbc RDX: 0000000000000028 RSI: 00007f7cc3aa4670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007fff9771bc14 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f7cc3aa4670 R15: 0000000000000000 Showing all locks held in the system: 3 locks held by kworker/u8:1/12: 2 locks held by ksoftirqd/0/16: 1 lock held by khungtaskd/30: #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390 kernel/locking/lockdep.c:6744 6 locks held by kworker/u8:3/52: #0: ffff88801beeb148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90000bd7d80 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffffffff8fec6d90 (pernet_ops_rwsem){++++}-{4:4}, at: cleanup_net+0xbb/0xbd0 net/core/net_namespace.c:602 #3: ffff8880923240e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1014 [inline] #3: ffff8880923240e8 (&dev->mutex){....}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:108 [inline] #3: ffff8880923240e8 (&dev->mutex){....}-{4:4}, at: devlink_pernet_pre_exit+0x12d/0x2b0 net/devlink/core.c:506 #4: ffff888092325250 (&devlink->lock_key#25){+.+.}-{4:4}, at: devl_lock net/devlink/core.c:276 [inline] #4: ffff888092325250 (&devlink->lock_key#25){+.+.}-{4:4}, at: devl_dev_lock net/devlink/devl_internal.h:109 [inline] #4: ffff888092325250 (&devlink->lock_key#25){+.+.}-{4:4}, at: devlink_pernet_pre_exit+0x137/0x2b0 net/devlink/core.c:506 #5: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: nsim_init_netdevsim drivers/net/netdevsim/netdev.c:721 [inline] #5: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: nsim_create+0x4c9/0xb20 drivers/net/netdevsim/netdev.c:793 2 locks held by getty/5580: #0: ffff88803737a0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243 #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480 drivers/tty/n_tty.c:2211 3 locks held by kworker/u8:4/13425: #0: ffff88814d132948 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204 #1: ffffc90003e67d80 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 net/ipv6/addrconf.c:4755 3 locks held by kworker/u8:8/13946: #0: ffff88801b081148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x1293/0x1ba0 kernel/workqueue.c:3204 #1: ffffc900048d7d80 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x921/0x1ba0 kernel/workqueue.c:3205 #2: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:281 1 lock held by syz-executor/16484: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:698 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x38/0x230 drivers/net/tun.c:3517 1 lock held by syz-executor/16487: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: tun_detach drivers/net/tun.c:698 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: tun_chr_close+0x38/0x230 drivers/net/tun.c:3517 2 locks held by syz-executor/16499: #0: ffffffff8fec6d90 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x292/0x6c0 net/core/net_namespace.c:512 #1: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: setup_net+0x40b/0x860 net/core/net_namespace.c:384 2 locks held by syz-executor/16554: #0: ffffffff8fec6d90 (pernet_ops_rwsem){++++}-{4:4}, at: copy_net_ns+0x292/0x6c0 net/core/net_namespace.c:512 #1: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: ip_tunnel_init_net+0x218/0x790 net/ipv4/ip_tunnel.c:1159 2 locks held by syz.5.2999/16577: 1 lock held by syz-executor/16592: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16596: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16598: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16601: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16604: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: __tun_chr_ioctl+0x4f0/0x4760 drivers/net/tun.c:3121 1 lock held by syz-executor/16608: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16612: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16614: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16617: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16620: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16623: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16627: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16631: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16636: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 1 lock held by syz-executor/16640: #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:128 [inline] #0: ffffffff8fedc988 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x316/0x1560 net/ipv4/devinet.c:987 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:234 [inline] watchdog+0xf14/0x1240 kernel/hung_task.c:397 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:nf_nat_ipv4_pre_routing+0x0/0x340 net/netfilter/nf_nat_proto.c:651 Code: db fe ff ff 4c 89 ff e8 fe bb a1 f8 e9 66 ff ff ff 66 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 41 57 41 56 49 89 fe 41 55 49 89 d5 41 54 55 53 48 89 RSP: 0018:ffffc900001578f0 EFLAGS: 00000246 RAX: 1ffff11011a5764b RBX: ffff88808d2bb250 RCX: ffffffff894f118f RDX: ffffc90000157980 RSI: ffff888187b64780 RDI: ffff888023782640 RBP: ffff88808d2bb200 R08: 0000000000000004 R09: 0000000000000006 R10: 0000000000000005 R11: 0000000000000001 R12: 0000000000000005 R13: ffff888187b64780 R14: ffffffff895b0730 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000021000000 CR3: 000000000df7e000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline] nf_hook_slow+0xbb/0x200 net/netfilter/core.c:626 nf_hook.constprop.0+0x42e/0x750 include/linux/netfilter.h:269 NF_HOOK include/linux/netfilter.h:312 [inline] ip_rcv+0x7d/0x5d0 net/ipv4/ip_input.c:567 __netif_receive_skb_one_core+0x199/0x1e0 net/core/dev.c:5672 __netif_receive_skb+0x1d/0x160 net/core/dev.c:5785 process_backlog+0x443/0x15f0 net/core/dev.c:6117 __napi_poll.constprop.0+0xb7/0x550 net/core/dev.c:6883 napi_poll net/core/dev.c:6952 [inline] net_rx_action+0xa94/0x1010 net/core/dev.c:7074 handle_softirqs+0x213/0x8f0 kernel/softirq.c:561 run_ksoftirqd kernel/softirq.c:950 [inline] run_ksoftirqd+0x3a/0x60 kernel/softirq.c:942 smpboot_thread_fn+0x661/0xa30 kernel/smpboot.c:164 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244