INFO: task kworker/0:0:5 blocked for more than 153 seconds. Not tainted 5.15.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:0 state:D stack:25912 pid: 5 ppid: 2 flags:0x00004000 Workqueue: ipv6_addrconf addrconf_verify_work Call Trace: context_switch kernel/sched/core.c:4940 [inline] __schedule+0x908/0x26a0 kernel/sched/core.c:6287 schedule+0xd3/0x270 kernel/sched/core.c:6366 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425 __mutex_lock_common kernel/locking/mutex.c:669 [inline] __mutex_lock+0xa34/0x12f0 kernel/locking/mutex.c:729 addrconf_verify_work+0x5/0x10 net/ipv6/addrconf.c:4590 process_one_work+0x87f/0x1450 kernel/workqueue.c:2297 worker_thread+0x598/0x1040 kernel/workqueue.c:2444 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 INFO: task syz-executor.2:9247 blocked for more than 153 seconds. Not tainted 5.15.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.2 state:D stack:28496 pid: 9247 ppid: 6993 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4940 [inline] __schedule+0x908/0x26a0 kernel/sched/core.c:6287 schedule+0xd3/0x270 kernel/sched/core.c:6366 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425 __mutex_lock_common kernel/locking/mutex.c:669 [inline] __mutex_lock+0xa34/0x12f0 kernel/locking/mutex.c:729 rtnl_lock net/core/rtnetlink.c:72 [inline] rtnetlink_rcv_msg+0x2d2/0x8d0 net/core/rtnetlink.c:5569 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x704/0xbf0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:724 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2409 ___sys_sendmsg+0xd3/0x150 net/socket.c:2463 __sys_sendmsg+0xb2/0x140 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465b09 RSP: 002b:00007fbf4e802188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffec8740b3f R14: 00007fbf4e802300 R15: 0000000000022000 INFO: task syz-executor.1:9249 blocked for more than 153 seconds. Not tainted 5.15.0-rc3-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.1 state:D stack:27984 pid: 9249 ppid: 6996 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:4940 [inline] __schedule+0x908/0x26a0 kernel/sched/core.c:6287 schedule+0xd3/0x270 kernel/sched/core.c:6366 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6425 __mutex_lock_common kernel/locking/mutex.c:669 [inline] __mutex_lock+0xa34/0x12f0 kernel/locking/mutex.c:729 rtnl_lock net/core/rtnetlink.c:72 [inline] rtnetlink_rcv_msg+0x2d2/0x8d0 net/core/rtnetlink.c:5569 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2504 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1340 netlink_sendmsg+0x704/0xbf0 net/netlink/af_netlink.c:1929 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:724 ____sys_sendmsg+0x5bf/0x7a0 net/socket.c:2409 ___sys_sendmsg+0xd3/0x150 net/socket.c:2463 __sys_sendmsg+0xb2/0x140 net/socket.c:2492 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x465b09 RSP: 002b:00007fb1c768e188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465b09 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000004 RBP: 00000000004b069f R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60 R13: 00007ffc81c3670f R14: 00007fb1c768e300 R15: 0000000000022000 Showing all locks held in the system: 3 locks held by kworker/0:0/5: #0: ffff8880201e2d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff8880201e2d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff8880201e2d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff8880201e2d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff8880201e2d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff8880201e2d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2268 #1: ffffc90000ca7db8 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2272 #2: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0x5/0x10 net/ipv6/addrconf.c:4590 3 locks held by kworker/0:1/7: #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2268 #1: ffffc90000cc7db8 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2272 #2: ffff88801576c240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1a4/0x2100 drivers/net/netdevsim/fib.c:1474 1 lock held by khungtaskd/26: #0: ffffffff8ab75d00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6446 3 locks held by kworker/0:2/1050: #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2268 #1: ffffc9000352fdb8 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2272 #2: ffff8880731a6240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x1a4/0x2100 drivers/net/netdevsim/fib.c:1474 3 locks held by systemd-udevd/2964: 1 lock held by in:imklog/6213: #0: ffff88801f4d19f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0x9c/0xb0 fs/file.c:990 3 locks held by kworker/0:3/6833: #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2268 #1: ffffc9000332fdb8 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2272 #2: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0x5/0x50 net/core/link_watch.c:251 1 lock held by syz-executor.0/6990: #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:684 [inline] #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x36/0x150 drivers/net/tun.c:3397 3 locks held by syz-executor.3/6994: #0: ffff88807d994ff0 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close+0xa8/0xef0 net/bluetooth/hci_core.c:1735 #1: ffff88807d994078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_do_close+0x215/0xef0 net/bluetooth/hci_core.c:1780 #2: ffffffff8ab7f068 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:290 [inline] #2: ffffffff8ab7f068 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x4fc/0x620 kernel/rcu/tree_exp.h:837 1 lock held by syz-executor.4/6998: #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:684 [inline] #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x36/0x150 drivers/net/tun.c:3397 3 locks held by kworker/0:6/8953: #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2268 #1: ffffc9000cac7db8 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2272 #2: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0x5/0x10 net/switchdev/switchdev.c:74 3 locks held by kworker/0:7/9116: #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2268 #1: ffffc9000d0b7db8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2272 #2: ffffffff8ab7f068 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:322 [inline] #2: ffffffff8ab7f068 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2d5/0x620 kernel/rcu/tree_exp.h:837 1 lock held by syz-executor.5/9224: #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:684 [inline] #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x36/0x150 drivers/net/tun.c:3397 1 lock held by syz-executor.2/9247: #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2d2/0x8d0 net/core/rtnetlink.c:5569 1 lock held by syz-executor.1/9249: #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock net/core/rtnetlink.c:72 [inline] #0: ffffffff8c212088 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2d2/0x8d0 net/core/rtnetlink.c:5569 2 locks held by kworker/0:9/9251: #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1198 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:634 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:661 [inline] #0: ffff88800f064d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7a4/0x1450 kernel/workqueue.c:2268 #1: ffffc90002977db8 ((work_completion)(&pwq->unbound_release_work)){+.+.}-{0:0}, at: process_one_work+0x7d1/0x1450 kernel/workqueue.c:2272 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.15.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x45/0x59 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x30/0xac lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x11a/0x160 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline] watchdog+0x88c/0xbf0 kernel/hung_task.c:295 kthread+0x38b/0x460 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2964 Comm: systemd-udevd Not tainted 5.15.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:check_wait_context kernel/locking/lockdep.c:4711 [inline] RIP: 0010:__lock_acquire+0x687/0x5410 kernel/locking/lockdep.c:4965 Code: 74 06 0f 8e dd 2a 00 00 0f b6 80 b8 00 00 00 84 c0 74 06 40 38 c5 0f 47 e8 48 8b 04 24 41 83 c4 01 48 c1 e8 03 42 0f b6 04 38 <84> c0 74 08 3c 03 0f 8e a1 2a 00 00 45 3b a5 98 09 00 00 0f 8d 99 RSP: 0018:ffffc90000db0ae0 EFLAGS: 00000802 RAX: 0000000000000000 RBX: 0000000000000057 RCX: ffffffff81523a5d RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8e53eef8 RBP: 0000000000000002 R08: 0000000000000000 R09: ffffffff8e53a8ef R10: fffffbfff1ca751d R11: 0000000000000001 R12: 0000000000000002 R13: ffff888079ba1c00 R14: ffff888079ba25a0 R15: dffffc0000000000 FS: 00007f955da908c0(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000562b259a2988 CR3: 000000001856c000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5625 [inline] lock_acquire+0x1ab/0x4f0 kernel/locking/lockdep.c:5590 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 debug_object_activate+0x12e/0x3e0 lib/debugobjects.c:661 debug_hrtimer_activate kernel/time/hrtimer.c:420 [inline] debug_activate kernel/time/hrtimer.c:475 [inline] enqueue_hrtimer+0x1f/0x2e0 kernel/time/hrtimer.c:1084 __run_hrtimer kernel/time/hrtimer.c:1702 [inline] __hrtimer_run_queues+0x859/0xb00 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x2f5/0x780 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:in_lock_functions+0xb/0x20 kernel/locking/spinlock.c:404 Code: 80 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 c3 cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 31 c0 48 81 ff 80 7b 64 88 72 0c <31> c0 48 81 ff 69 85 64 88 0f 92 c0 c3 cc cc cc cc cc cc cc cc 41 RSP: 0018:ffffc900010dfac8 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff88647c53 RCX: 0000000000000000 RDX: 1ffff1100f3744ad RSI: 0000000000000001 RDI: ffffffff88647c53 RBP: ffff888079ba1c00 R08: 0000000000000000 R09: 0000000000000001 R10: fffffbfff1ca752f R11: 0000000000000000 R12: ffff88807bd87088 R13: ffff8881401cc000 R14: 000000008cbbbb2e R15: ffff88807bd87000 get_lock_parent_ip include/linux/ftrace.h:857 [inline] __local_bh_disable_ip+0x68/0xb0 kernel/softirq.c:328 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:134 [inline] _raw_spin_lock_bh+0x13/0x40 kernel/locking/spinlock.c:178 spin_lock_bh include/linux/spinlock.h:368 [inline] lock_sock_nested+0x52/0xd0 net/core/sock.c:3206 lock_sock include/net/sock.h:1614 [inline] netlink_insert+0xc8/0x11b0 net/netlink/af_netlink.c:573 netlink_autobind.isra.0+0x26b/0x400 net/netlink/af_netlink.c:842 netlink_bind+0x553/0xa00 net/netlink/af_netlink.c:1046 __sys_bind+0x16b/0x1d0 net/socket.c:1693 __do_sys_bind net/socket.c:1704 [inline] __se_sys_bind net/socket.c:1702 [inline] __x64_sys_bind+0x6a/0xb0 net/socket.c:1702 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7f955c9109e7 Code: 83 c4 08 48 3d 01 f0 ff ff 73 01 c3 48 8b 0d a8 f4 2a 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 31 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 81 f4 2a 00 f7 d8 64 89 01 48 RSP: 002b:00007fff2f044678 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 0000562b259a3050 RCX: 00007f955c9109e7 RDX: 000000000000000c RSI: 0000562b259a3060 RDI: 000000000000000e RBP: 0000000000000000 R08: 0000562b259940e0 R09: 0000000000000210 R10: 000000000000000f R11: 0000000000000246 R12: 0000562b259a9fb4 R13: 0000000000000000 R14: 0000562b25994010 R15: 0000562b25994028 ---------------- Code disassembly (best guess): 0: 74 06 je 0x8 2: 0f 8e dd 2a 00 00 jle 0x2ae5 8: 0f b6 80 b8 00 00 00 movzbl 0xb8(%rax),%eax f: 84 c0 test %al,%al 11: 74 06 je 0x19 13: 40 38 c5 cmp %al,%bpl 16: 0f 47 e8 cmova %eax,%ebp 19: 48 8b 04 24 mov (%rsp),%rax 1d: 41 83 c4 01 add $0x1,%r12d 21: 48 c1 e8 03 shr $0x3,%rax 25: 42 0f b6 04 38 movzbl (%rax,%r15,1),%eax * 2a: 84 c0 test %al,%al <-- trapping instruction 2c: 74 08 je 0x36 2e: 3c 03 cmp $0x3,%al 30: 0f 8e a1 2a 00 00 jle 0x2ad7 36: 45 3b a5 98 09 00 00 cmp 0x998(%r13),%r12d 3d: 0f .byte 0xf 3e: 8d .byte 0x8d 3f: 99 cltd