Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts. 2024/07/06 20:42:27 ignoring optional flag "sandboxArg"="0" 2024/07/06 20:42:27 parsed 1 programs 2024/07/06 20:42:29 executed programs: 0 [ 94.935409][ T5394] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 94.994745][ T4492] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 95.003707][ T4492] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 95.011683][ T4492] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 95.020308][ T4492] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 95.027978][ T4492] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 95.036047][ T4492] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 95.152482][ T5400] chnl_net:caif_netlink_parms(): no params data found [ 95.206225][ T5400] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.213464][ T5400] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.220766][ T5400] bridge_slave_0: entered allmulticast mode [ 95.227600][ T5400] bridge_slave_0: entered promiscuous mode [ 95.235601][ T5400] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.242882][ T5400] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.250442][ T5400] bridge_slave_1: entered allmulticast mode [ 95.257252][ T5400] bridge_slave_1: entered promiscuous mode [ 95.281175][ T5400] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 95.292230][ T5400] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 95.319542][ T5400] team0: Port device team_slave_0 added [ 95.327036][ T5400] team0: Port device team_slave_1 added [ 95.349838][ T5400] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 95.356913][ T5400] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 95.383360][ T5400] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 95.395430][ T5400] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 95.402512][ T5400] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 95.428603][ T5400] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 95.472910][ T5400] hsr_slave_0: entered promiscuous mode [ 95.479779][ T5400] hsr_slave_1: entered promiscuous mode [ 96.104967][ T5400] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 96.122709][ T5400] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 96.135130][ T5400] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 96.146843][ T5400] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 96.177140][ T5400] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.184384][ T5400] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.191918][ T5400] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.199199][ T5400] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.213595][ T932] bridge0: port 1(bridge_slave_0) entered disabled state [ 96.221998][ T932] bridge0: port 2(bridge_slave_1) entered disabled state [ 96.324110][ T5400] 8021q: adding VLAN 0 to HW filter on device bond0 [ 96.346365][ T5400] 8021q: adding VLAN 0 to HW filter on device team0 [ 96.361556][ T5108] bridge0: port 1(bridge_slave_0) entered blocking state [ 96.368751][ T5108] bridge0: port 1(bridge_slave_0) entered forwarding state [ 96.391309][ T5108] bridge0: port 2(bridge_slave_1) entered blocking state [ 96.399078][ T5108] bridge0: port 2(bridge_slave_1) entered forwarding state [ 96.444410][ T5400] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 96.619626][ T5400] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 96.714937][ T5400] veth0_vlan: entered promiscuous mode [ 96.731735][ T5400] veth1_vlan: entered promiscuous mode [ 96.771576][ T5400] veth0_macvtap: entered promiscuous mode [ 96.785074][ T5400] veth1_macvtap: entered promiscuous mode [ 96.812475][ T5400] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 96.831897][ T5400] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 96.846701][ T5400] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.857863][ T5400] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.868241][ T5400] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.878336][ T5400] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 96.977428][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.000579][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.040645][ T2815] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 97.050385][ T2815] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 97.061479][ T5100] Bluetooth: hci0: command tx timeout [ 99.064969][ T5100] Bluetooth: hci0: command tx timeout [ 101.066186][ T5100] Bluetooth: hci0: command tx timeout [ 103.019984][ T5100] Bluetooth: hci0: command tx timeout [ 103.877395][ C0] DEBUG: waiting rtnl_mutex for 560 jiffies. [ 103.883812][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 103.894305][ C0] Call Trace: [ 103.897636][ C0] [ 103.900585][ C0] __schedule+0x1800/0x4a60 [ 103.905165][ C0] ? __pfx___schedule+0x10/0x10 [ 103.910146][ C0] ? __pfx_lock_release+0x10/0x10 [ 103.915217][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 103.920739][ C0] ? schedule+0x90/0x320 [ 103.925037][ C0] schedule+0x14b/0x320 [ 103.929389][ C0] schedule_preempt_disabled+0x13/0x30 [ 103.934890][ C0] __mutex_lock+0x6a4/0xd70 [ 103.939417][ C0] ? __mutex_lock+0x527/0xd70 [ 103.944113][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 103.949367][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 103.954448][ C0] ? get_rtnl_holder+0x144/0x190 [ 103.959402][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 103.964573][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 103.969799][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 103.975360][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 103.980703][ C0] ? __pfx_validate_chain+0x10/0x10 [ 103.985964][ C0] ? __pfx_validate_chain+0x10/0x10 [ 103.991185][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 103.996173][ C0] ? mark_lock+0x9a/0x360 [ 104.000522][ C0] ? __pfx_validate_chain+0x10/0x10 [ 104.005770][ C0] ? __lock_acquire+0x1359/0x2000 [ 104.010853][ C0] ? mark_lock+0x9a/0x360 [ 104.015206][ C0] ? __lock_acquire+0x1359/0x2000 [ 104.020277][ C0] netlink_rcv_skb+0x1e3/0x430 [ 104.025103][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 104.030609][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 104.035942][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 104.041176][ C0] netlink_unicast+0x7f0/0x990 [ 104.045996][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 104.051462][ C0] ? __virt_addr_valid+0x183/0x530 [ 104.056620][ C0] ? __check_object_size+0x49c/0x900 [ 104.061960][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 104.067102][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 104.072116][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 104.077451][ C0] ? __import_iovec+0x536/0x820 [ 104.082422][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 104.087405][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 104.092719][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 104.098314][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 104.103623][ C0] __sock_sendmsg+0x221/0x270 [ 104.108362][ C0] ____sys_sendmsg+0x525/0x7d0 [ 104.113333][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 104.118670][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 104.124642][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 104.129281][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 104.134413][ C0] ? netlink_bind+0xaeb/0xc90 [ 104.139155][ C0] ? __pfx___sys_bind+0x10/0x10 [ 104.144027][ C0] ? fd_install+0x35c/0x5d0 [ 104.148671][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 104.155052][ C0] ? do_syscall_64+0x100/0x230 [ 104.159882][ C0] ? do_syscall_64+0xb6/0x230 [ 104.164609][ C0] do_syscall_64+0xf3/0x230 [ 104.169132][ C0] ? clear_bhb_loop+0x35/0x90 [ 104.173856][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.179783][ C0] RIP: 0033:0x7f79d95daa4b [ 104.184245][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 104.192704][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 104.200697][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 104.208703][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 104.216718][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 104.224768][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 104.232832][ C0] [ 104.235871][ C0] [ 104.235871][ C0] Showing all locks held in the system: [ 104.243619][ C0] 3 locks held by kworker/1:2/59: [ 104.248826][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 104.259936][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 104.272628][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 104.282837][ C0] 3 locks held by kworker/u8:7/2815: [ 104.288151][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 104.299789][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 104.312660][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 104.322140][ C0] 1 lock held by dhcpcd/4761: [ 104.326847][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 104.336483][ C0] 2 locks held by getty/4845: [ 104.341201][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 104.351057][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 104.361301][ C0] 2 locks held by dhcpcd/5243: [ 104.366112][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 104.376441][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 104.387530][ C0] 2 locks held by syz-executor.0/5478: [ 104.393058][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 104.402749][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 104.413702][ C0] 1 lock held by syz-executor.0/5480: [ 104.419082][ C0] [ 104.421435][ C0] ============================================= [ 104.421435][ C0] [ 105.403526][ C0] DEBUG: waiting rtnl_mutex for 720 jiffies. [ 105.409657][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 105.419994][ C0] Call Trace: [ 105.423321][ C0] [ 105.426270][ C0] __schedule+0x1800/0x4a60 [ 105.430845][ C0] ? __pfx___schedule+0x10/0x10 [ 105.435720][ C0] ? __pfx_lock_release+0x10/0x10 [ 105.440804][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 105.446299][ C0] ? schedule+0x90/0x320 [ 105.450593][ C0] schedule+0x14b/0x320 [ 105.454793][ C0] schedule_preempt_disabled+0x13/0x30 [ 105.460289][ C0] __mutex_lock+0x6a4/0xd70 [ 105.464823][ C0] ? __mutex_lock+0x527/0xd70 [ 105.469547][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 105.474779][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 105.479860][ C0] ? get_rtnl_holder+0x144/0x190 [ 105.484812][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 105.489892][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 105.495114][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 105.500621][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 105.505940][ C0] ? __pfx_validate_chain+0x10/0x10 [ 105.511191][ C0] ? __pfx_validate_chain+0x10/0x10 [ 105.516436][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 105.521487][ C0] ? mark_lock+0x9a/0x360 [ 105.525923][ C0] ? __pfx_validate_chain+0x10/0x10 [ 105.531343][ C0] ? __lock_acquire+0x1359/0x2000 [ 105.536430][ C0] ? mark_lock+0x9a/0x360 [ 105.540814][ C0] ? __lock_acquire+0x1359/0x2000 [ 105.545984][ C0] netlink_rcv_skb+0x1e3/0x430 [ 105.550810][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 105.556338][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 105.561764][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 105.567004][ C0] netlink_unicast+0x7f0/0x990 [ 105.571806][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 105.577131][ C0] ? __virt_addr_valid+0x183/0x530 [ 105.582277][ C0] ? __check_object_size+0x49c/0x900 [ 105.587605][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 105.592775][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 105.597568][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 105.602905][ C0] ? __import_iovec+0x536/0x820 [ 105.607774][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 105.612796][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 105.618108][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 105.624053][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 105.629358][ C0] __sock_sendmsg+0x221/0x270 [ 105.634095][ C0] ____sys_sendmsg+0x525/0x7d0 [ 105.638897][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 105.644332][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 105.650373][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 105.654984][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 105.660307][ C0] ? netlink_bind+0xaeb/0xc90 [ 105.665028][ C0] ? __pfx___sys_bind+0x10/0x10 [ 105.669923][ C0] ? fd_install+0x35c/0x5d0 [ 105.674543][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 105.680912][ C0] ? do_syscall_64+0x100/0x230 [ 105.685786][ C0] ? do_syscall_64+0xb6/0x230 [ 105.690507][ C0] do_syscall_64+0xf3/0x230 [ 105.695114][ C0] ? clear_bhb_loop+0x35/0x90 [ 105.699839][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 105.705847][ C0] RIP: 0033:0x7f79d95daa4b [ 105.710298][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 105.718814][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 105.726822][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 105.734806][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 105.742823][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 105.750872][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 105.758946][ C0] [ 105.761984][ C0] [ 105.761984][ C0] Showing all locks held in the system: [ 105.769734][ C0] 3 locks held by kworker/1:2/59: [ 105.774788][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 105.785846][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 105.798579][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 105.808893][ C0] 3 locks held by kworker/u8:7/2815: [ 105.814210][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 105.826027][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 105.838984][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 105.848467][ C0] 1 lock held by dhcpcd/4761: [ 105.853177][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 105.862762][ C0] 2 locks held by getty/4845: [ 105.867468][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 105.877352][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 105.887566][ C0] 2 locks held by dhcpcd/5243: [ 105.892372][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 105.902727][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 105.913697][ C0] 2 locks held by syz-executor.0/5478: [ 105.919272][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 105.928900][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 105.939989][ C0] 1 lock held by syz-executor.0/5480: [ 105.945551][ C0] [ 105.947960][ C0] ============================================= [ 105.947960][ C0] [ 106.926914][ C0] DEBUG: waiting rtnl_mutex for 880 jiffies. [ 106.933000][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 106.943351][ C0] Call Trace: [ 106.946696][ C0] [ 106.949657][ C0] __schedule+0x1800/0x4a60 [ 106.954207][ C0] ? __pfx___schedule+0x10/0x10 [ 106.959459][ C0] ? __pfx_lock_release+0x10/0x10 [ 106.964532][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 106.970098][ C0] ? schedule+0x90/0x320 [ 106.974407][ C0] schedule+0x14b/0x320 [ 106.978588][ C0] schedule_preempt_disabled+0x13/0x30 [ 106.984085][ C0] __mutex_lock+0x6a4/0xd70 [ 106.988680][ C0] ? __mutex_lock+0x527/0xd70 [ 106.993382][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 106.998650][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 107.003814][ C0] ? get_rtnl_holder+0x144/0x190 [ 107.008802][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 107.013933][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 107.019168][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 107.024697][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 107.030017][ C0] ? __pfx_validate_chain+0x10/0x10 [ 107.035268][ C0] ? __pfx_validate_chain+0x10/0x10 [ 107.040492][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 107.045478][ C0] ? mark_lock+0x9a/0x360 [ 107.049829][ C0] ? __pfx_validate_chain+0x10/0x10 [ 107.055166][ C0] ? __lock_acquire+0x1359/0x2000 [ 107.060249][ C0] ? mark_lock+0x9a/0x360 [ 107.064608][ C0] ? __lock_acquire+0x1359/0x2000 [ 107.069673][ C0] netlink_rcv_skb+0x1e3/0x430 [ 107.074504][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 107.080034][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 107.085458][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 107.090695][ C0] netlink_unicast+0x7f0/0x990 [ 107.095496][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 107.100825][ C0] ? __virt_addr_valid+0x183/0x530 [ 107.106049][ C0] ? __check_object_size+0x49c/0x900 [ 107.111381][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 107.117049][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 107.121882][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 107.127212][ C0] ? __import_iovec+0x536/0x820 [ 107.132177][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 107.137154][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 107.142553][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 107.148052][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 107.153349][ C0] __sock_sendmsg+0x221/0x270 [ 107.158119][ C0] ____sys_sendmsg+0x525/0x7d0 [ 107.162931][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 107.168324][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 107.174277][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 107.178926][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 107.184171][ C0] ? netlink_bind+0xaeb/0xc90 [ 107.188987][ C0] ? __pfx___sys_bind+0x10/0x10 [ 107.193872][ C0] ? fd_install+0x35c/0x5d0 [ 107.198410][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 107.204789][ C0] ? do_syscall_64+0x100/0x230 [ 107.209571][ C0] ? do_syscall_64+0xb6/0x230 [ 107.214299][ C0] do_syscall_64+0xf3/0x230 [ 107.218819][ C0] ? clear_bhb_loop+0x35/0x90 [ 107.223626][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 107.229535][ C0] RIP: 0033:0x7f79d95daa4b [ 107.234074][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 107.242629][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 107.250617][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 107.258630][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 107.266640][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 107.274650][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 107.282673][ C0] [ 107.285704][ C0] [ 107.285704][ C0] Showing all locks held in the system: [ 107.293450][ C0] 3 locks held by kworker/1:2/59: [ 107.298504][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 107.309699][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 107.322591][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 107.332811][ C0] 3 locks held by kworker/u8:7/2815: [ 107.338136][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 107.349870][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 107.362793][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 107.372391][ C0] 1 lock held by dhcpcd/4761: [ 107.377105][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 107.386754][ C0] 2 locks held by getty/4845: [ 107.391437][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 107.401265][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 107.411451][ C0] 2 locks held by dhcpcd/5243: [ 107.416243][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 107.426505][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 107.437460][ C0] 2 locks held by syz-executor.0/5478: [ 107.442947][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 107.452520][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 107.463470][ C0] 1 lock held by syz-executor.0/5480: [ 107.468845][ C0] [ 107.471200][ C0] ============================================= [ 107.471200][ C0] [ 108.451634][ C0] DEBUG: waiting rtnl_mutex for 1040 jiffies. [ 108.457791][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 108.468032][ C0] Call Trace: [ 108.471348][ C0] [ 108.474309][ C0] __schedule+0x1800/0x4a60 [ 108.478870][ C0] ? __pfx___schedule+0x10/0x10 [ 108.483761][ C0] ? __pfx_lock_release+0x10/0x10 [ 108.488811][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 108.494331][ C0] ? schedule+0x90/0x320 [ 108.498589][ C0] schedule+0x14b/0x320 [ 108.502803][ C0] schedule_preempt_disabled+0x13/0x30 [ 108.508298][ C0] __mutex_lock+0x6a4/0xd70 [ 108.512856][ C0] ? __mutex_lock+0x527/0xd70 [ 108.517560][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 108.522807][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 108.527887][ C0] ? get_rtnl_holder+0x144/0x190 [ 108.532845][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 108.537924][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 108.543145][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 108.548665][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 108.553980][ C0] ? __pfx_validate_chain+0x10/0x10 [ 108.559233][ C0] ? __pfx_validate_chain+0x10/0x10 [ 108.564455][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 108.569439][ C0] ? mark_lock+0x9a/0x360 [ 108.573788][ C0] ? __pfx_validate_chain+0x10/0x10 [ 108.579040][ C0] ? __lock_acquire+0x1359/0x2000 [ 108.584099][ C0] ? mark_lock+0x9a/0x360 [ 108.588478][ C0] ? __lock_acquire+0x1359/0x2000 [ 108.593555][ C0] netlink_rcv_skb+0x1e3/0x430 [ 108.598375][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 108.603883][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 108.609362][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 108.614603][ C0] netlink_unicast+0x7f0/0x990 [ 108.619404][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 108.624729][ C0] ? __virt_addr_valid+0x183/0x530 [ 108.629865][ C0] ? __check_object_size+0x49c/0x900 [ 108.635193][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 108.640342][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 108.645171][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 108.650473][ C0] ? __import_iovec+0x536/0x820 [ 108.655375][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 108.660344][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 108.665673][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 108.671177][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 108.676487][ C0] __sock_sendmsg+0x221/0x270 [ 108.681218][ C0] ____sys_sendmsg+0x525/0x7d0 [ 108.686011][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 108.691348][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 108.697276][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 108.701912][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 108.707049][ C0] ? netlink_bind+0xaeb/0xc90 [ 108.711790][ C0] ? __pfx___sys_bind+0x10/0x10 [ 108.716657][ C0] ? fd_install+0x35c/0x5d0 [ 108.721211][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 108.727648][ C0] ? do_syscall_64+0x100/0x230 [ 108.732462][ C0] ? do_syscall_64+0xb6/0x230 [ 108.737160][ C0] do_syscall_64+0xf3/0x230 [ 108.741717][ C0] ? clear_bhb_loop+0x35/0x90 [ 108.746421][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 108.752353][ C0] RIP: 0033:0x7f79d95daa4b [ 108.756925][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 108.765386][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 108.773509][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 108.781619][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 108.789642][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 108.797649][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 108.805669][ C0] [ 108.808712][ C0] [ 108.808712][ C0] Showing all locks held in the system: [ 108.816460][ C0] 3 locks held by kworker/1:2/59: [ 108.821838][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 108.832965][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 108.845843][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 108.856035][ C0] 3 locks held by kworker/u8:7/2815: [ 108.861347][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 108.873036][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 108.885955][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 108.895474][ C0] 1 lock held by dhcpcd/4761: [ 108.900182][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 108.909890][ C0] 2 locks held by getty/4845: [ 108.914597][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 108.924531][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 108.934700][ C0] 2 locks held by dhcpcd/5243: [ 108.939546][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 108.949874][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 108.960877][ C0] 2 locks held by syz-executor.0/5478: [ 108.966372][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 108.975941][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 108.986906][ C0] 1 lock held by syz-executor.0/5480: [ 108.992285][ C0] [ 108.994639][ C0] ============================================= [ 108.994639][ C0] [ 109.985753][ C0] DEBUG: waiting rtnl_mutex for 1201 jiffies. [ 109.991908][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 110.002150][ C0] Call Trace: [ 110.005463][ C0] [ 110.008411][ C0] __schedule+0x1800/0x4a60 [ 110.012965][ C0] ? __pfx___schedule+0x10/0x10 [ 110.017864][ C0] ? __pfx_lock_release+0x10/0x10 [ 110.022912][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 110.028433][ C0] ? schedule+0x90/0x320 [ 110.032695][ C0] schedule+0x14b/0x320 [ 110.036907][ C0] schedule_preempt_disabled+0x13/0x30 [ 110.042390][ C0] __mutex_lock+0x6a4/0xd70 [ 110.046944][ C0] ? __mutex_lock+0x527/0xd70 [ 110.051655][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 110.056905][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 110.061982][ C0] ? get_rtnl_holder+0x144/0x190 [ 110.066938][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 110.072018][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 110.077242][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 110.082761][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 110.088075][ C0] ? __pfx_validate_chain+0x10/0x10 [ 110.093321][ C0] ? __pfx_validate_chain+0x10/0x10 [ 110.098636][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 110.103649][ C0] ? mark_lock+0x9a/0x360 [ 110.108000][ C0] ? __pfx_validate_chain+0x10/0x10 [ 110.113252][ C0] ? __lock_acquire+0x1359/0x2000 [ 110.118311][ C0] ? mark_lock+0x9a/0x360 [ 110.122696][ C0] ? __lock_acquire+0x1359/0x2000 [ 110.127855][ C0] netlink_rcv_skb+0x1e3/0x430 [ 110.132681][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 110.138278][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 110.143617][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 110.149289][ C0] netlink_unicast+0x7f0/0x990 [ 110.154098][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 110.159486][ C0] ? __virt_addr_valid+0x183/0x530 [ 110.164752][ C0] ? __check_object_size+0x49c/0x900 [ 110.170205][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 110.175354][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 110.180185][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 110.185490][ C0] ? __import_iovec+0x536/0x820 [ 110.190381][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 110.195357][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 110.200666][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 110.206167][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 110.211468][ C0] __sock_sendmsg+0x221/0x270 [ 110.216196][ C0] ____sys_sendmsg+0x525/0x7d0 [ 110.220989][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 110.226362][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 110.232340][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 110.237020][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 110.242156][ C0] ? netlink_bind+0xaeb/0xc90 [ 110.246902][ C0] ? __pfx___sys_bind+0x10/0x10 [ 110.251856][ C0] ? fd_install+0x35c/0x5d0 [ 110.256420][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 110.262794][ C0] ? do_syscall_64+0x100/0x230 [ 110.267579][ C0] ? do_syscall_64+0xb6/0x230 [ 110.272311][ C0] do_syscall_64+0xf3/0x230 [ 110.276843][ C0] ? clear_bhb_loop+0x35/0x90 [ 110.281568][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 110.287574][ C0] RIP: 0033:0x7f79d95daa4b [ 110.292036][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 110.300493][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 110.308743][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 110.316751][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 110.324769][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 110.332780][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 110.340800][ C0] [ 110.343838][ C0] [ 110.343838][ C0] Showing all locks held in the system: [ 110.351594][ C0] 3 locks held by kworker/1:2/59: [ 110.356627][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 110.367719][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 110.380448][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 110.390650][ C0] 3 locks held by kworker/u8:7/2815: [ 110.395971][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 110.407612][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 110.420493][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 110.429981][ C0] 1 lock held by dhcpcd/4761: [ 110.434686][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 110.444243][ C0] 2 locks held by getty/4845: [ 110.448942][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 110.458834][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 110.469016][ C0] 2 locks held by dhcpcd/5243: [ 110.473864][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 110.484184][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 110.495162][ C0] 2 locks held by syz-executor.0/5478: [ 110.500745][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 110.510398][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 110.521366][ C0] 1 lock held by syz-executor.0/5480: [ 110.526753][ C0] [ 110.529112][ C0] ============================================= [ 110.529112][ C0] [ 111.567547][ C0] DEBUG: waiting rtnl_mutex for 1367 jiffies. [ 111.573796][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 111.584034][ C0] Call Trace: [ 111.587350][ C0] [ 111.590304][ C0] __schedule+0x1800/0x4a60 [ 111.594891][ C0] ? __pfx___schedule+0x10/0x10 [ 111.599864][ C0] ? __pfx_lock_release+0x10/0x10 [ 111.604930][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 111.610524][ C0] ? schedule+0x90/0x320 [ 111.614807][ C0] schedule+0x14b/0x320 [ 111.619043][ C0] schedule_preempt_disabled+0x13/0x30 [ 111.624696][ C0] __mutex_lock+0x6a4/0xd70 [ 111.629245][ C0] ? __mutex_lock+0x527/0xd70 [ 111.633982][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 111.639304][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 111.644405][ C0] ? get_rtnl_holder+0x144/0x190 [ 111.649371][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 111.654449][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 111.659705][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 111.665261][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 111.670618][ C0] ? __pfx_validate_chain+0x10/0x10 [ 111.676010][ C0] ? __pfx_validate_chain+0x10/0x10 [ 111.681273][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 111.686409][ C0] ? mark_lock+0x9a/0x360 [ 111.690898][ C0] ? __pfx_validate_chain+0x10/0x10 [ 111.696263][ C0] ? __lock_acquire+0x1359/0x2000 [ 111.701615][ C0] ? mark_lock+0x9a/0x360 [ 111.706127][ C0] ? __lock_acquire+0x1359/0x2000 [ 111.711292][ C0] netlink_rcv_skb+0x1e3/0x430 [ 111.716093][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 111.721610][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 111.726943][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 111.732187][ C0] netlink_unicast+0x7f0/0x990 [ 111.737075][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 111.742452][ C0] ? __virt_addr_valid+0x183/0x530 [ 111.747633][ C0] ? __check_object_size+0x49c/0x900 [ 111.753123][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 111.758363][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 111.763199][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 111.768580][ C0] ? __import_iovec+0x536/0x820 [ 111.773485][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 111.778540][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 111.783879][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 111.789443][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 111.794788][ C0] __sock_sendmsg+0x221/0x270 [ 111.799565][ C0] ____sys_sendmsg+0x525/0x7d0 [ 111.804409][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 111.809753][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 111.815706][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 111.820394][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 111.825544][ C0] ? netlink_bind+0xaeb/0xc90 [ 111.830304][ C0] ? __pfx___sys_bind+0x10/0x10 [ 111.835239][ C0] ? fd_install+0x35c/0x5d0 [ 111.839864][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 111.846327][ C0] ? do_syscall_64+0x100/0x230 [ 111.851141][ C0] ? do_syscall_64+0xb6/0x230 [ 111.855898][ C0] do_syscall_64+0xf3/0x230 [ 111.860417][ C0] ? clear_bhb_loop+0x35/0x90 [ 111.865152][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 111.871065][ C0] RIP: 0033:0x7f79d95daa4b [ 111.875528][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.884083][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 111.892091][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 111.900073][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 111.908087][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 111.916090][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 111.924220][ C0] [ 111.927300][ C0] [ 111.927300][ C0] Showing all locks held in the system: [ 111.935061][ C0] 3 locks held by kworker/1:2/59: [ 111.940192][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 111.951625][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 111.964453][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 111.974712][ C0] 3 locks held by kworker/u8:7/2815: [ 111.980041][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 111.991736][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 112.004666][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 112.014182][ C0] 1 lock held by dhcpcd/4761: [ 112.019153][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 112.028771][ C0] 2 locks held by getty/4845: [ 112.033494][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 112.043365][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 112.053602][ C0] 2 locks held by dhcpcd/5243: [ 112.058380][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 112.068733][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 112.079746][ C0] 2 locks held by syz-executor.0/5478: [ 112.085295][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 112.094878][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 112.105856][ C0] [ 112.108219][ C0] ============================================= [ 112.108219][ C0] [ 113.101848][ C0] DEBUG: waiting rtnl_mutex for 1528 jiffies. [ 113.108005][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 113.118247][ C0] Call Trace: [ 113.121559][ C0] [ 113.124521][ C0] __schedule+0x1800/0x4a60 [ 113.129121][ C0] ? __pfx___schedule+0x10/0x10 [ 113.134110][ C0] ? __pfx_lock_release+0x10/0x10 [ 113.139160][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 113.144674][ C0] ? schedule+0x90/0x320 [ 113.148946][ C0] schedule+0x14b/0x320 [ 113.153162][ C0] schedule_preempt_disabled+0x13/0x30 [ 113.158726][ C0] __mutex_lock+0x6a4/0xd70 [ 113.163281][ C0] ? __mutex_lock+0x527/0xd70 [ 113.167979][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 113.173235][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 113.178331][ C0] ? get_rtnl_holder+0x144/0x190 [ 113.183285][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 113.188384][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 113.193617][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 113.199213][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 113.204529][ C0] ? __pfx_validate_chain+0x10/0x10 [ 113.209777][ C0] ? __pfx_validate_chain+0x10/0x10 [ 113.215025][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 113.220014][ C0] ? mark_lock+0x9a/0x360 [ 113.224368][ C0] ? __pfx_validate_chain+0x10/0x10 [ 113.229616][ C0] ? __lock_acquire+0x1359/0x2000 [ 113.234684][ C0] ? mark_lock+0x9a/0x360 [ 113.239069][ C0] ? __lock_acquire+0x1359/0x2000 [ 113.244131][ C0] netlink_rcv_skb+0x1e3/0x430 [ 113.248948][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 113.254451][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 113.259783][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 113.265017][ C0] netlink_unicast+0x7f0/0x990 [ 113.269822][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 113.275151][ C0] ? __virt_addr_valid+0x183/0x530 [ 113.280291][ C0] ? __check_object_size+0x49c/0x900 [ 113.285667][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 113.290818][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 113.295655][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 113.300957][ C0] ? __import_iovec+0x536/0x820 [ 113.305846][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 113.311002][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 113.316364][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 113.321871][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 113.327179][ C0] __sock_sendmsg+0x221/0x270 [ 113.331910][ C0] ____sys_sendmsg+0x525/0x7d0 [ 113.336701][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 113.342043][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 113.348067][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 113.352709][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 113.357836][ C0] ? netlink_bind+0xaeb/0xc90 [ 113.362572][ C0] ? __pfx___sys_bind+0x10/0x10 [ 113.367435][ C0] ? fd_install+0x35c/0x5d0 [ 113.372037][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 113.378486][ C0] ? do_syscall_64+0x100/0x230 [ 113.383285][ C0] ? do_syscall_64+0xb6/0x230 [ 113.388021][ C0] do_syscall_64+0xf3/0x230 [ 113.392544][ C0] ? clear_bhb_loop+0x35/0x90 [ 113.397355][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 113.403268][ C0] RIP: 0033:0x7f79d95daa4b [ 113.407720][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.416234][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 113.424235][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 113.432430][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 113.440453][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 113.448515][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 113.456549][ C0] [ 113.459580][ C0] [ 113.459580][ C0] Showing all locks held in the system: [ 113.467350][ C0] 3 locks held by kworker/1:2/59: [ 113.472405][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 113.483480][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 113.496222][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 113.506526][ C0] 3 locks held by kworker/u8:7/2815: [ 113.511844][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 113.523495][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 113.536480][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 113.546100][ C0] 1 lock held by dhcpcd/4761: [ 113.550864][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 113.560466][ C0] 2 locks held by getty/4845: [ 113.565155][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 113.575005][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 113.585182][ C0] 2 locks held by dhcpcd/5243: [ 113.590004][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 113.600371][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 113.611414][ C0] 2 locks held by syz-executor.0/5478: [ 113.616901][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 113.626463][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 113.637421][ C0] 1 lock held by syz-executor.0/5480: [ 113.642801][ C0] [ 113.645154][ C0] ============================================= [ 113.645154][ C0] [ 114.636085][ C0] DEBUG: waiting rtnl_mutex for 1689 jiffies. [ 114.642247][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 114.652488][ C0] Call Trace: [ 114.655810][ C0] [ 114.658845][ C0] __schedule+0x1800/0x4a60 [ 114.663400][ C0] ? __pfx___schedule+0x10/0x10 [ 114.668311][ C0] ? __pfx_lock_release+0x10/0x10 [ 114.673359][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 114.678972][ C0] ? schedule+0x90/0x320 [ 114.683230][ C0] schedule+0x14b/0x320 [ 114.687442][ C0] schedule_preempt_disabled+0x13/0x30 [ 114.692921][ C0] __mutex_lock+0x6a4/0xd70 [ 114.697472][ C0] ? __mutex_lock+0x527/0xd70 [ 114.702179][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 114.707432][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 114.712507][ C0] ? get_rtnl_holder+0x144/0x190 [ 114.717551][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 114.722628][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 114.727882][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 114.733404][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 114.738730][ C0] ? __pfx_validate_chain+0x10/0x10 [ 114.743988][ C0] ? __pfx_validate_chain+0x10/0x10 [ 114.749220][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 114.754220][ C0] ? mark_lock+0x9a/0x360 [ 114.758658][ C0] ? __pfx_validate_chain+0x10/0x10 [ 114.764019][ C0] ? __lock_acquire+0x1359/0x2000 [ 114.769087][ C0] ? mark_lock+0x9a/0x360 [ 114.773512][ C0] ? __lock_acquire+0x1359/0x2000 [ 114.778606][ C0] netlink_rcv_skb+0x1e3/0x430 [ 114.783452][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 114.788971][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 114.794309][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 114.799558][ C0] netlink_unicast+0x7f0/0x990 [ 114.804355][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 114.809733][ C0] ? __virt_addr_valid+0x183/0x530 [ 114.814899][ C0] ? __check_object_size+0x49c/0x900 [ 114.820242][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 114.825387][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 114.830229][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 114.835537][ C0] ? __import_iovec+0x536/0x820 [ 114.840440][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 114.845428][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 114.850743][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 114.856261][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 114.861563][ C0] __sock_sendmsg+0x221/0x270 [ 114.866299][ C0] ____sys_sendmsg+0x525/0x7d0 [ 114.871094][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 114.876439][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 114.882378][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 114.887019][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 114.892152][ C0] ? netlink_bind+0xaeb/0xc90 [ 114.896892][ C0] ? __pfx___sys_bind+0x10/0x10 [ 114.901785][ C0] ? fd_install+0x35c/0x5d0 [ 114.906379][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 114.912820][ C0] ? do_syscall_64+0x100/0x230 [ 114.917619][ C0] ? do_syscall_64+0xb6/0x230 [ 114.922362][ C0] do_syscall_64+0xf3/0x230 [ 114.926979][ C0] ? clear_bhb_loop+0x35/0x90 [ 114.931702][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 114.937627][ C0] RIP: 0033:0x7f79d95daa4b [ 114.942087][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 114.950833][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 114.958917][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 114.967058][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 114.975182][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 114.983193][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 114.991215][ C0] [ 114.994242][ C0] [ 114.994242][ C0] Showing all locks held in the system: [ 115.001987][ C0] 3 locks held by kworker/1:2/59: [ 115.007045][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 115.018122][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 115.030989][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 115.041241][ C0] 3 locks held by kworker/u8:7/2815: [ 115.046561][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 115.058429][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 115.071450][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 115.080981][ C0] 1 lock held by dhcpcd/4761: [ 115.085684][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 115.095250][ C0] 2 locks held by getty/4845: [ 115.099932][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 115.109802][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 115.120007][ C0] 2 locks held by dhcpcd/5243: [ 115.124862][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 115.135254][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 115.146216][ C0] 2 locks held by syz-executor.0/5478: [ 115.151717][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 115.161274][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 115.172294][ C0] 1 lock held by syz-executor.0/5480: [ 115.177685][ C0] [ 115.180044][ C0] ============================================= [ 115.180044][ C0] [ 116.217759][ C0] DEBUG: waiting rtnl_mutex for 1855 jiffies. [ 116.223963][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 116.234225][ C0] Call Trace: [ 116.237540][ C0] [ 116.240486][ C0] __schedule+0x1800/0x4a60 [ 116.245039][ C0] ? __pfx___schedule+0x10/0x10 [ 116.249933][ C0] ? __pfx_lock_release+0x10/0x10 [ 116.254977][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 116.260492][ C0] ? schedule+0x90/0x320 [ 116.264749][ C0] schedule+0x14b/0x320 [ 116.268956][ C0] schedule_preempt_disabled+0x13/0x30 [ 116.274433][ C0] __mutex_lock+0x6a4/0xd70 [ 116.278981][ C0] ? __mutex_lock+0x527/0xd70 [ 116.283682][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 116.288933][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 116.294096][ C0] ? get_rtnl_holder+0x144/0x190 [ 116.299053][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 116.304127][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 116.309433][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 116.314938][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 116.320255][ C0] ? __pfx_validate_chain+0x10/0x10 [ 116.325587][ C0] ? __pfx_validate_chain+0x10/0x10 [ 116.330808][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 116.335783][ C0] ? mark_lock+0x9a/0x360 [ 116.340142][ C0] ? __pfx_validate_chain+0x10/0x10 [ 116.345386][ C0] ? __lock_acquire+0x1359/0x2000 [ 116.350447][ C0] ? mark_lock+0x9a/0x360 [ 116.354826][ C0] ? __lock_acquire+0x1359/0x2000 [ 116.359972][ C0] netlink_rcv_skb+0x1e3/0x430 [ 116.364798][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 116.370300][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 116.375721][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 116.380956][ C0] netlink_unicast+0x7f0/0x990 [ 116.385841][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 116.391164][ C0] ? __virt_addr_valid+0x183/0x530 [ 116.396302][ C0] ? __check_object_size+0x49c/0x900 [ 116.401630][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 116.406772][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 116.411591][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 116.416896][ C0] ? __import_iovec+0x536/0x820 [ 116.421779][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 116.426737][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 116.432115][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 116.437741][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 116.443045][ C0] __sock_sendmsg+0x221/0x270 [ 116.447790][ C0] ____sys_sendmsg+0x525/0x7d0 [ 116.452585][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 116.457929][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 116.463857][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 116.468490][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 116.473616][ C0] ? netlink_bind+0xaeb/0xc90 [ 116.478357][ C0] ? __pfx___sys_bind+0x10/0x10 [ 116.483218][ C0] ? fd_install+0x35c/0x5d0 [ 116.487777][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 116.494153][ C0] ? do_syscall_64+0x100/0x230 [ 116.498943][ C0] ? do_syscall_64+0xb6/0x230 [ 116.503643][ C0] do_syscall_64+0xf3/0x230 [ 116.508203][ C0] ? clear_bhb_loop+0x35/0x90 [ 116.512909][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 116.518837][ C0] RIP: 0033:0x7f79d95daa4b [ 116.523284][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 116.531724][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 116.539737][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 116.547796][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 116.555883][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 116.563901][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 116.571930][ C0] [ 116.574973][ C0] [ 116.574973][ C0] Showing all locks held in the system: [ 116.582729][ C0] 3 locks held by kworker/1:2/59: [ 116.587760][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 116.598808][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 116.611508][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 116.621877][ C0] 3 locks held by kworker/u8:7/2815: [ 116.627170][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 116.638811][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 116.651663][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 116.661170][ C0] 1 lock held by dhcpcd/4761: [ 116.665931][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 116.675520][ C0] 2 locks held by getty/4845: [ 116.680203][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 116.690028][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 116.700192][ C0] 2 locks held by dhcpcd/5243: [ 116.704996][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 116.715530][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 116.726483][ C0] 2 locks held by syz-executor.0/5478: [ 116.731955][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 116.741553][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 116.752506][ C0] [ 116.754838][ C0] ============================================= [ 116.754838][ C0] [ 117.723437][ C0] DEBUG: waiting rtnl_mutex for 2013 jiffies. [ 117.729614][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 117.739863][ C0] Call Trace: [ 117.743230][ C0] [ 117.746192][ C0] __schedule+0x1800/0x4a60 [ 117.750748][ C0] ? __pfx___schedule+0x10/0x10 [ 117.755708][ C0] ? __pfx_lock_release+0x10/0x10 [ 117.760773][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 117.766344][ C0] ? schedule+0x90/0x320 [ 117.770624][ C0] schedule+0x14b/0x320 [ 117.774861][ C0] schedule_preempt_disabled+0x13/0x30 [ 117.780341][ C0] __mutex_lock+0x6a4/0xd70 [ 117.784891][ C0] ? __mutex_lock+0x527/0xd70 [ 117.789796][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 117.795082][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 117.800169][ C0] ? get_rtnl_holder+0x144/0x190 [ 117.805130][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 117.810211][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 117.815439][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 117.820955][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 117.826363][ C0] ? __pfx_validate_chain+0x10/0x10 [ 117.831610][ C0] ? __pfx_validate_chain+0x10/0x10 [ 117.836830][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 117.841900][ C0] ? mark_lock+0x9a/0x360 [ 117.846248][ C0] ? __pfx_validate_chain+0x10/0x10 [ 117.851492][ C0] ? __lock_acquire+0x1359/0x2000 [ 117.856559][ C0] ? mark_lock+0x9a/0x360 [ 117.861071][ C0] ? __lock_acquire+0x1359/0x2000 [ 117.866150][ C0] netlink_rcv_skb+0x1e3/0x430 [ 117.870991][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 117.876558][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 117.881916][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 117.887167][ C0] netlink_unicast+0x7f0/0x990 [ 117.891966][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 117.897296][ C0] ? __virt_addr_valid+0x183/0x530 [ 117.902462][ C0] ? __check_object_size+0x49c/0x900 [ 117.907845][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 117.913082][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 117.917919][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 117.923319][ C0] ? __import_iovec+0x536/0x820 [ 117.928215][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 117.933341][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 117.938764][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 117.944383][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 117.949681][ C0] __sock_sendmsg+0x221/0x270 [ 117.954504][ C0] ____sys_sendmsg+0x525/0x7d0 [ 117.959501][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 117.964854][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 117.970789][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 117.975426][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 117.980600][ C0] ? netlink_bind+0xaeb/0xc90 [ 117.985318][ C0] ? __pfx___sys_bind+0x10/0x10 [ 117.990178][ C0] ? fd_install+0x35c/0x5d0 [ 117.994733][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 118.001105][ C0] ? do_syscall_64+0x100/0x230 [ 118.005885][ C0] ? do_syscall_64+0xb6/0x230 [ 118.010620][ C0] do_syscall_64+0xf3/0x230 [ 118.015138][ C0] ? clear_bhb_loop+0x35/0x90 [ 118.019859][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 118.025856][ C0] RIP: 0033:0x7f79d95daa4b [ 118.030305][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 118.038762][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 118.046748][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 118.054795][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 118.062856][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 118.070869][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 118.078896][ C0] [ 118.081929][ C0] [ 118.081929][ C0] Showing all locks held in the system: [ 118.089716][ C0] 3 locks held by kworker/1:2/59: [ 118.094780][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 118.106029][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 118.118755][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 118.128961][ C0] 3 locks held by kworker/u8:7/2815: [ 118.134279][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 118.146449][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 118.159408][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 118.168880][ C0] 1 lock held by dhcpcd/4761: [ 118.173590][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 118.183205][ C0] 2 locks held by getty/4845: [ 118.187899][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 118.197775][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 118.208159][ C0] 2 locks held by dhcpcd/5243: [ 118.212954][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 118.223218][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 118.234176][ C0] 2 locks held by syz-executor.0/5478: [ 118.239666][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 118.249235][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 118.260188][ C0] 1 lock held by syz-executor.0/5480: [ 118.265563][ C0] [ 118.267920][ C0] ============================================= [ 118.267920][ C0] [ 119.248292][ C0] DEBUG: waiting rtnl_mutex for 2173 jiffies. [ 119.254469][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 119.264714][ C0] Call Trace: [ 119.268035][ C0] [ 119.270987][ C0] __schedule+0x1800/0x4a60 [ 119.275547][ C0] ? __pfx___schedule+0x10/0x10 [ 119.280502][ C0] ? __pfx_lock_release+0x10/0x10 [ 119.285566][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 119.291090][ C0] ? schedule+0x90/0x320 [ 119.295384][ C0] schedule+0x14b/0x320 [ 119.299646][ C0] schedule_preempt_disabled+0x13/0x30 [ 119.305205][ C0] __mutex_lock+0x6a4/0xd70 [ 119.309773][ C0] ? __mutex_lock+0x527/0xd70 [ 119.314582][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 119.319864][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 119.324950][ C0] ? get_rtnl_holder+0x144/0x190 [ 119.329942][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 119.335068][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 119.340298][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 119.345820][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 119.351223][ C0] ? __pfx_validate_chain+0x10/0x10 [ 119.356472][ C0] ? __pfx_validate_chain+0x10/0x10 [ 119.361701][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 119.366700][ C0] ? mark_lock+0x9a/0x360 [ 119.371056][ C0] ? __pfx_validate_chain+0x10/0x10 [ 119.376356][ C0] ? __lock_acquire+0x1359/0x2000 [ 119.381510][ C0] ? mark_lock+0x9a/0x360 [ 119.385907][ C0] ? __lock_acquire+0x1359/0x2000 [ 119.391007][ C0] netlink_rcv_skb+0x1e3/0x430 [ 119.395906][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 119.401467][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 119.406810][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 119.412061][ C0] netlink_unicast+0x7f0/0x990 [ 119.416890][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 119.422265][ C0] ? __virt_addr_valid+0x183/0x530 [ 119.427419][ C0] ? __check_object_size+0x49c/0x900 [ 119.432755][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 119.437902][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 119.442743][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 119.448073][ C0] ? __import_iovec+0x536/0x820 [ 119.452940][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 119.457963][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 119.463291][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 119.468917][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 119.474764][ C0] __sock_sendmsg+0x221/0x270 [ 119.479607][ C0] ____sys_sendmsg+0x525/0x7d0 [ 119.484425][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 119.489802][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 119.495771][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 119.500393][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 119.505597][ C0] ? netlink_bind+0xaeb/0xc90 [ 119.510337][ C0] ? __pfx___sys_bind+0x10/0x10 [ 119.515233][ C0] ? fd_install+0x35c/0x5d0 [ 119.519765][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 119.526139][ C0] ? do_syscall_64+0x100/0x230 [ 119.530927][ C0] ? do_syscall_64+0xb6/0x230 [ 119.535663][ C0] do_syscall_64+0xf3/0x230 [ 119.540179][ C0] ? clear_bhb_loop+0x35/0x90 [ 119.545066][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 119.550975][ C0] RIP: 0033:0x7f79d95daa4b [ 119.555424][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 119.563970][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 119.571992][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 119.580063][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 119.588098][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 119.596193][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 119.604219][ C0] [ 119.607281][ C0] [ 119.607281][ C0] Showing all locks held in the system: [ 119.615072][ C0] 3 locks held by kworker/1:2/59: [ 119.620137][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 119.631456][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 119.644142][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 119.654335][ C0] 3 locks held by kworker/u8:7/2815: [ 119.659667][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 119.671315][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 119.684176][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 119.693656][ C0] 1 lock held by dhcpcd/4761: [ 119.698448][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 119.708007][ C0] 2 locks held by getty/4845: [ 119.712687][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 119.722507][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 119.732688][ C0] 2 locks held by dhcpcd/5243: [ 119.737486][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 119.747749][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 119.758722][ C0] 2 locks held by syz-executor.0/5478: [ 119.764272][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 119.773875][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 119.784921][ C0] 1 lock held by syz-executor.0/5480: [ 119.790350][ C0] [ 119.793139][ C0] ============================================= [ 119.793139][ C0] [ 120.772900][ C0] DEBUG: waiting rtnl_mutex for 2333 jiffies. [ 120.779053][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 120.789299][ C0] Call Trace: [ 120.792613][ C0] [ 120.795647][ C0] __schedule+0x1800/0x4a60 [ 120.800197][ C0] ? __pfx___schedule+0x10/0x10 [ 120.805155][ C0] ? __pfx_lock_release+0x10/0x10 [ 120.810252][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 120.815791][ C0] ? schedule+0x90/0x320 [ 120.820054][ C0] schedule+0x14b/0x320 [ 120.824285][ C0] schedule_preempt_disabled+0x13/0x30 [ 120.829765][ C0] __mutex_lock+0x6a4/0xd70 [ 120.834325][ C0] ? __mutex_lock+0x527/0xd70 [ 120.839058][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 120.844370][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 120.849472][ C0] ? get_rtnl_holder+0x144/0x190 [ 120.854443][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 120.859523][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 120.864748][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 120.870272][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 120.875590][ C0] ? __pfx_validate_chain+0x10/0x10 [ 120.880829][ C0] ? __pfx_validate_chain+0x10/0x10 [ 120.886047][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 120.891030][ C0] ? mark_lock+0x9a/0x360 [ 120.895377][ C0] ? __pfx_validate_chain+0x10/0x10 [ 120.900795][ C0] ? __lock_acquire+0x1359/0x2000 [ 120.905856][ C0] ? mark_lock+0x9a/0x360 [ 120.910234][ C0] ? __lock_acquire+0x1359/0x2000 [ 120.915300][ C0] netlink_rcv_skb+0x1e3/0x430 [ 120.920120][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 120.925626][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 120.930953][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 120.936279][ C0] netlink_unicast+0x7f0/0x990 [ 120.941074][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 120.946484][ C0] ? __virt_addr_valid+0x183/0x530 [ 120.951752][ C0] ? __check_object_size+0x49c/0x900 [ 120.957119][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 120.962347][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 120.967186][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 120.972493][ C0] ? __import_iovec+0x536/0x820 [ 120.977393][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 120.982375][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 120.987677][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 120.993178][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 120.998471][ C0] __sock_sendmsg+0x221/0x270 [ 121.003195][ C0] ____sys_sendmsg+0x525/0x7d0 [ 121.007985][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 121.013375][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 121.019335][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 121.024032][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 121.029178][ C0] ? netlink_bind+0xaeb/0xc90 [ 121.034014][ C0] ? __pfx___sys_bind+0x10/0x10 [ 121.038875][ C0] ? fd_install+0x35c/0x5d0 [ 121.043429][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 121.049821][ C0] ? do_syscall_64+0x100/0x230 [ 121.054689][ C0] ? do_syscall_64+0xb6/0x230 [ 121.059412][ C0] do_syscall_64+0xf3/0x230 [ 121.063930][ C0] ? clear_bhb_loop+0x35/0x90 [ 121.068651][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 121.074560][ C0] RIP: 0033:0x7f79d95daa4b [ 121.079009][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 121.087550][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 121.095536][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 121.103534][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 121.111637][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 121.119732][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 121.127753][ C0] [ 121.130809][ C0] [ 121.130809][ C0] Showing all locks held in the system: [ 121.138551][ C0] 3 locks held by kworker/1:2/59: [ 121.143582][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 121.154709][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 121.167409][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 121.177601][ C0] 3 locks held by kworker/u8:7/2815: [ 121.182919][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 121.194556][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 121.207407][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 121.216889][ C0] 1 lock held by dhcpcd/4761: [ 121.221601][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 121.231159][ C0] 2 locks held by getty/4845: [ 121.235839][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 121.245740][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 121.255903][ C0] 2 locks held by dhcpcd/5243: [ 121.260702][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 121.270961][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 121.281909][ C0] 2 locks held by syz-executor.0/5478: [ 121.287392][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 121.296951][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 121.307996][ C0] [ 121.310327][ C0] ============================================= [ 121.310327][ C0] [ 122.307068][ C0] DEBUG: waiting rtnl_mutex for 2494 jiffies. [ 122.313219][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 122.323467][ C0] Call Trace: [ 122.326787][ C0] [ 122.329762][ C0] __schedule+0x1800/0x4a60 [ 122.334423][ C0] ? __pfx___schedule+0x10/0x10 [ 122.339354][ C0] ? __pfx_lock_release+0x10/0x10 [ 122.344406][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 122.349929][ C0] ? schedule+0x90/0x320 [ 122.354190][ C0] schedule+0x14b/0x320 [ 122.358408][ C0] schedule_preempt_disabled+0x13/0x30 [ 122.363890][ C0] __mutex_lock+0x6a4/0xd70 [ 122.368440][ C0] ? __mutex_lock+0x527/0xd70 [ 122.373142][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 122.378432][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 122.383542][ C0] ? get_rtnl_holder+0x144/0x190 [ 122.388505][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 122.393584][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 122.398804][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 122.404352][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 122.409700][ C0] ? __pfx_validate_chain+0x10/0x10 [ 122.415062][ C0] ? __pfx_validate_chain+0x10/0x10 [ 122.420301][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 122.425286][ C0] ? mark_lock+0x9a/0x360 [ 122.429644][ C0] ? __pfx_validate_chain+0x10/0x10 [ 122.434906][ C0] ? __lock_acquire+0x1359/0x2000 [ 122.440001][ C0] ? mark_lock+0x9a/0x360 [ 122.444418][ C0] ? __lock_acquire+0x1359/0x2000 [ 122.449606][ C0] netlink_rcv_skb+0x1e3/0x430 [ 122.454497][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 122.460073][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 122.465424][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 122.470673][ C0] netlink_unicast+0x7f0/0x990 [ 122.475474][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 122.480797][ C0] ? __virt_addr_valid+0x183/0x530 [ 122.485936][ C0] ? __check_object_size+0x49c/0x900 [ 122.491266][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 122.496399][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 122.501239][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 122.506539][ C0] ? __import_iovec+0x536/0x820 [ 122.511428][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 122.516383][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 122.521711][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 122.527208][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 122.532501][ C0] __sock_sendmsg+0x221/0x270 [ 122.537223][ C0] ____sys_sendmsg+0x525/0x7d0 [ 122.542014][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 122.547343][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 122.553268][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 122.557895][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 122.563018][ C0] ? netlink_bind+0xaeb/0xc90 [ 122.567755][ C0] ? __pfx___sys_bind+0x10/0x10 [ 122.572702][ C0] ? fd_install+0x35c/0x5d0 [ 122.577252][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 122.583622][ C0] ? do_syscall_64+0x100/0x230 [ 122.588404][ C0] ? do_syscall_64+0xb6/0x230 [ 122.593130][ C0] do_syscall_64+0xf3/0x230 [ 122.597730][ C0] ? clear_bhb_loop+0x35/0x90 [ 122.602452][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.608365][ C0] RIP: 0033:0x7f79d95daa4b [ 122.612817][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 122.621256][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 122.629259][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 122.637348][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 122.645359][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 122.653622][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 122.661642][ C0] [ 122.664671][ C0] [ 122.664671][ C0] Showing all locks held in the system: [ 122.672419][ C0] 3 locks held by kworker/1:2/59: [ 122.677447][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 122.688479][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 122.701163][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 122.711373][ C0] 3 locks held by kworker/u8:7/2815: [ 122.716692][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 122.728329][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 122.741358][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 122.750843][ C0] 1 lock held by dhcpcd/4761: [ 122.755546][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 122.765103][ C0] 2 locks held by getty/4845: [ 122.769869][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 122.779679][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 122.789835][ C0] 2 locks held by dhcpcd/5243: [ 122.794631][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 122.804891][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 122.815837][ C0] 2 locks held by syz-executor.0/5478: [ 122.821305][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 122.830972][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 122.842008][ C0] 1 lock held by syz-executor.0/5480: [ 122.847389][ C0] [ 122.849734][ C0] ============================================= [ 122.849734][ C0] [ 122.859267][ T19] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2691 jiffies s: 2385 root: 0x2/. [ 122.859339][ T19] rcu: blocking rcu_node structures (internal RCU debug): [ 122.859355][ T19] Sending NMI from CPU 0 to CPUs 1: [ 122.859387][ C1] NMI backtrace for cpu 1 [ 122.859408][ C1] CPU: 1 UID: 0 PID: 5480 Comm: syz-executor.0 Not tainted 6.10.0-rc6-next-20240703-syzkaller-10451-g0b58e108042b #0 [ 122.859428][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 122.859437][ C1] RIP: 0010:lock_is_held_type+0x144/0x190 [ 122.859466][ C1] Code: 00 9c 8f 04 24 f7 04 24 00 02 00 00 75 4c 41 f7 c4 00 02 00 00 74 01 fb 65 48 8b 04 25 28 00 00 00 48 3b 44 24 08 75 42 89 d8 <48> 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 90 0f 0b [ 122.859478][ C1] RSP: 0018:ffffc90000a18c48 EFLAGS: 00000046 [ 122.859492][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff8880290c1e00 [ 122.859503][ C1] RDX: ffff8880290c1e00 RSI: ffffffff8bcada80 RDI: ffffffff8c207f20 [ 122.859515][ C1] RBP: 0000000000000000 R08: ffffffff89984eab R09: fffff52000143180 [ 122.859526][ C1] R10: dffffc0000000000 R11: fffff52000143180 R12: 0000000000000046 [ 122.859537][ C1] R13: ffff8880290c1e00 R14: 00000000ffffffff R15: ffff88806710c300 [ 122.859549][ C1] FS: 00007fde06e696c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 122.859563][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 122.859574][ C1] CR2: 00007fde06e69d58 CR3: 000000002c0bc000 CR4: 00000000003506f0 [ 122.859588][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 122.859598][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 122.859608][ C1] Call Trace: [ 122.859615][ C1] [ 122.859622][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 122.859641][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 122.859664][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 122.859681][ C1] ? nmi_handle+0x2a/0x5a0 [ 122.859704][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 122.859723][ C1] ? nmi_handle+0x14f/0x5a0 [ 122.859737][ C1] ? nmi_handle+0x2a/0x5a0 [ 122.859752][ C1] ? lock_is_held_type+0x144/0x190 [ 122.859773][ C1] ? default_do_nmi+0x63/0x160 [ 122.859791][ C1] ? exc_nmi+0x123/0x1f0 [ 122.859808][ C1] ? end_repeat_nmi+0xf/0x53 [ 122.859830][ C1] ? advance_sched+0x1ab/0xca0 [ 122.859848][ C1] ? lock_is_held_type+0x144/0x190 [ 122.859871][ C1] ? lock_is_held_type+0x144/0x190 [ 122.859893][ C1] ? lock_is_held_type+0x144/0x190 [ 122.859915][ C1] [ 122.859920][ C1] [ 122.859926][ C1] ? __pfx_advance_sched+0x10/0x10 [ 122.859943][ C1] advance_sched+0x1c2/0xca0 [ 122.859960][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 122.859979][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 122.860002][ C1] ? __pfx_advance_sched+0x10/0x10 [ 122.860018][ C1] __hrtimer_run_queues+0x59b/0xd50 [ 122.860037][ C1] ? ktime_get_update_offsets_now+0x3c/0x250 [ 122.860067][ C1] ? __pfx___hrtimer_run_queues+0x10/0x10 [ 122.860085][ C1] ? ktime_get_update_offsets_now+0x22d/0x250 [ 122.860110][ C1] hrtimer_interrupt+0x396/0x990 [ 122.860139][ C1] __sysvec_apic_timer_interrupt+0x110/0x3f0 [ 122.860171][ C1] sysvec_apic_timer_interrupt+0xa1/0xc0 [ 122.860193][ C1] [ 122.860198][ C1] [ 122.860203][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 122.860223][ C1] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 [ 122.860242][ C1] Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 2e 48 5e f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 53 90 c6 f5 65 8b 05 64 d0 67 74 85 c0 74 43 48 c7 04 24 0e 36 [ 122.860254][ C1] RSP: 0018:ffffc900048f7ae0 EFLAGS: 00000206 [ 122.860266][ C1] RAX: eff6a7e0d4a67300 RBX: 1ffff9200091ef60 RCX: ffffffff947f4803 [ 122.860278][ C1] RDX: dffffc0000000000 RSI: ffffffff8bcac900 RDI: 0000000000000001 [ 122.860289][ C1] RBP: ffffc900048f7b68 R08: ffffffff8faf7a6f R09: 1ffffffff1f5ef4d [ 122.860301][ C1] R10: dffffc0000000000 R11: fffffbfff1f5ef4e R12: dffffc0000000000 [ 122.860312][ C1] R13: 1ffff9200091ef5c R14: ffffc900048f7b00 R15: 0000000000000246 [ 122.860333][ C1] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 122.860357][ C1] ? do_adjtimex+0x7ea/0xab0 [ 122.860376][ C1] timekeeping_advance+0x7ce/0xa90 [ 122.860399][ C1] do_adjtimex+0x7ea/0xab0 [ 122.860422][ C1] ? __x64_sys_clock_adjtime+0x1e1/0x290 [ 122.860444][ C1] ? __pfx_do_adjtimex+0x10/0x10 [ 122.860475][ C1] ? __might_fault+0xc6/0x120 [ 122.860500][ C1] __x64_sys_clock_adjtime+0x1e1/0x290 [ 122.860522][ C1] ? __pfx___x64_sys_clock_adjtime+0x10/0x10 [ 122.860544][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 122.860582][ C1] do_syscall_64+0xf3/0x230 [ 122.860596][ C1] ? clear_bhb_loop+0x35/0x90 [ 122.860616][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 122.860634][ C1] RIP: 0033:0x7fde0607cae9 [ 122.860647][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 122.860659][ C1] RSP: 002b:00007fde06e690c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 [ 122.860674][ C1] RAX: ffffffffffffffda RBX: 00007fde0619c050 RCX: 00007fde0607cae9 [ 122.860685][ C1] RDX: 0000000000000000 RSI: 00000000200006c0 RDI: 0000000000000000 [ 122.860695][ C1] RBP: 00007fde060c847a R08: 0000000000000000 R09: 0000000000000000 [ 122.860705][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 122.860714][ C1] R13: 000000000000006e R14: 00007fde0619c050 R15: 00007ffe646da918 [ 122.860733][ C1] [ 123.831441][ C0] DEBUG: waiting rtnl_mutex for 2654 jiffies. [ 123.837563][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 123.847907][ C0] Call Trace: [ 123.851319][ C0] [ 123.854271][ C0] __schedule+0x1800/0x4a60 [ 123.858935][ C0] ? __pfx___schedule+0x10/0x10 [ 123.863889][ C0] ? __pfx_lock_release+0x10/0x10 [ 123.868950][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 123.874472][ C0] ? schedule+0x90/0x320 [ 123.878733][ C0] schedule+0x14b/0x320 [ 123.883037][ C0] schedule_preempt_disabled+0x13/0x30 [ 123.888545][ C0] __mutex_lock+0x6a4/0xd70 [ 123.893150][ C0] ? __mutex_lock+0x527/0xd70 [ 123.897860][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 123.903205][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 123.908298][ C0] ? get_rtnl_holder+0x144/0x190 [ 123.913252][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 123.918334][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 123.923645][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 123.929157][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 123.934474][ C0] ? __pfx_validate_chain+0x10/0x10 [ 123.939721][ C0] ? __pfx_validate_chain+0x10/0x10 [ 123.944940][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 123.949924][ C0] ? mark_lock+0x9a/0x360 [ 123.954272][ C0] ? __pfx_validate_chain+0x10/0x10 [ 123.959516][ C0] ? __lock_acquire+0x1359/0x2000 [ 123.964577][ C0] ? mark_lock+0x9a/0x360 [ 123.968957][ C0] ? __lock_acquire+0x1359/0x2000 [ 123.974022][ C0] netlink_rcv_skb+0x1e3/0x430 [ 123.978842][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 123.984349][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 123.989678][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 123.995017][ C0] netlink_unicast+0x7f0/0x990 [ 123.999811][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 124.005148][ C0] ? __virt_addr_valid+0x183/0x530 [ 124.010289][ C0] ? __check_object_size+0x49c/0x900 [ 124.015715][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 124.020850][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 124.025683][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 124.030981][ C0] ? __import_iovec+0x536/0x820 [ 124.035867][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 124.040822][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 124.046161][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 124.051669][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 124.056973][ C0] __sock_sendmsg+0x221/0x270 [ 124.061714][ C0] ____sys_sendmsg+0x525/0x7d0 [ 124.066507][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 124.071838][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 124.077763][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 124.082428][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 124.087554][ C0] ? netlink_bind+0xaeb/0xc90 [ 124.092377][ C0] ? __pfx___sys_bind+0x10/0x10 [ 124.097236][ C0] ? fd_install+0x35c/0x5d0 [ 124.101786][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 124.108158][ C0] ? do_syscall_64+0x100/0x230 [ 124.112942][ C0] ? do_syscall_64+0xb6/0x230 [ 124.117665][ C0] do_syscall_64+0xf3/0x230 [ 124.122269][ C0] ? clear_bhb_loop+0x35/0x90 [ 124.126964][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 124.132893][ C0] RIP: 0033:0x7f79d95daa4b [ 124.137342][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 124.145772][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 124.153789][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 124.161931][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 124.170060][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 124.178126][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 124.186251][ C0] [ 124.189283][ C0] [ 124.189283][ C0] Showing all locks held in the system: [ 124.197060][ C0] 3 locks held by kworker/1:2/59: [ 124.202090][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 124.213218][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 124.226001][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 124.236282][ C0] 3 locks held by kworker/u8:7/2815: [ 124.241591][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 124.253232][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 124.266088][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 124.275567][ C0] 1 lock held by dhcpcd/4761: [ 124.280274][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 124.289886][ C0] 2 locks held by getty/4845: [ 124.294587][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 124.304468][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 124.314705][ C0] 2 locks held by dhcpcd/5243: [ 124.319552][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 124.329949][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 124.340917][ C0] 2 locks held by syz-executor.0/5478: [ 124.346401][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 124.355961][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 124.366914][ C0] 1 lock held by syz-executor.0/5480: [ 124.372302][ C0] [ 124.374660][ C0] ============================================= [ 124.374660][ C0] [ 125.366058][ C0] DEBUG: waiting rtnl_mutex for 2815 jiffies. [ 125.372186][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 125.382421][ C0] Call Trace: [ 125.385740][ C0] [ 125.388683][ C0] __schedule+0x1800/0x4a60 [ 125.393234][ C0] ? __pfx___schedule+0x10/0x10 [ 125.398216][ C0] ? __pfx_lock_release+0x10/0x10 [ 125.403260][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 125.408787][ C0] ? schedule+0x90/0x320 [ 125.413047][ C0] schedule+0x14b/0x320 [ 125.417435][ C0] schedule_preempt_disabled+0x13/0x30 [ 125.422939][ C0] __mutex_lock+0x6a4/0xd70 [ 125.427465][ C0] ? __mutex_lock+0x527/0xd70 [ 125.432165][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 125.437497][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 125.442580][ C0] ? get_rtnl_holder+0x144/0x190 [ 125.447539][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 125.452610][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 125.457828][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 125.463391][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 125.468728][ C0] ? __pfx_validate_chain+0x10/0x10 [ 125.473983][ C0] ? __pfx_validate_chain+0x10/0x10 [ 125.479209][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 125.484289][ C0] ? mark_lock+0x9a/0x360 [ 125.488987][ C0] ? __pfx_validate_chain+0x10/0x10 [ 125.494234][ C0] ? __lock_acquire+0x1359/0x2000 [ 125.499396][ C0] ? mark_lock+0x9a/0x360 [ 125.503765][ C0] ? __lock_acquire+0x1359/0x2000 [ 125.508869][ C0] netlink_rcv_skb+0x1e3/0x430 [ 125.513658][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 125.519163][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 125.524549][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 125.529857][ C0] netlink_unicast+0x7f0/0x990 [ 125.534673][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 125.540015][ C0] ? __virt_addr_valid+0x183/0x530 [ 125.545169][ C0] ? __check_object_size+0x49c/0x900 [ 125.550500][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 125.555639][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 125.560478][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 125.565781][ C0] ? __import_iovec+0x536/0x820 [ 125.570675][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 125.575654][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 125.580960][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 125.586466][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 125.591774][ C0] __sock_sendmsg+0x221/0x270 [ 125.596500][ C0] ____sys_sendmsg+0x525/0x7d0 [ 125.601500][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 125.606920][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 125.612879][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 125.617586][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 125.622762][ C0] ? netlink_bind+0xaeb/0xc90 [ 125.627549][ C0] ? __pfx___sys_bind+0x10/0x10 [ 125.632417][ C0] ? fd_install+0x35c/0x5d0 [ 125.636973][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 125.643346][ C0] ? do_syscall_64+0x100/0x230 [ 125.648129][ C0] ? do_syscall_64+0xb6/0x230 [ 125.652854][ C0] do_syscall_64+0xf3/0x230 [ 125.657382][ C0] ? clear_bhb_loop+0x35/0x90 [ 125.662154][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 125.668083][ C0] RIP: 0033:0x7f79d95daa4b [ 125.672587][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 125.681063][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 125.689050][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 125.697069][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 125.705092][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 125.713100][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 125.721125][ C0] [ 125.724339][ C0] [ 125.724339][ C0] Showing all locks held in the system: [ 125.732088][ C0] 3 locks held by kworker/1:2/59: [ 125.737124][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 125.748165][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 125.760857][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 125.771063][ C0] 3 locks held by kworker/u8:7/2815: [ 125.776381][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 125.788025][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 125.800876][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 125.810363][ C0] 1 lock held by dhcpcd/4761: [ 125.815230][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 125.824848][ C0] 2 locks held by getty/4845: [ 125.829537][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 125.839442][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 125.849641][ C0] 2 locks held by dhcpcd/5243: [ 125.854450][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 125.864768][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 125.875774][ C0] 2 locks held by syz-executor.0/5478: [ 125.881268][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 125.890833][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 125.901800][ C0] [ 125.904134][ C0] ============================================= [ 125.904134][ C0] [ 126.899917][ C0] DEBUG: waiting rtnl_mutex for 2976 jiffies. [ 126.906057][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 126.916311][ C0] Call Trace: [ 126.919626][ C0] [ 126.922579][ C0] __schedule+0x1800/0x4a60 [ 126.927131][ C0] ? __pfx___schedule+0x10/0x10 [ 126.932034][ C0] ? __pfx_lock_release+0x10/0x10 [ 126.937084][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 126.942640][ C0] ? schedule+0x90/0x320 [ 126.946930][ C0] schedule+0x14b/0x320 [ 126.951204][ C0] schedule_preempt_disabled+0x13/0x30 [ 126.956709][ C0] __mutex_lock+0x6a4/0xd70 [ 126.961308][ C0] ? __mutex_lock+0x527/0xd70 [ 126.966020][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 126.971270][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 126.976349][ C0] ? get_rtnl_holder+0x144/0x190 [ 126.981306][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 126.986384][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 126.991610][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 126.997124][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 127.002437][ C0] ? __pfx_validate_chain+0x10/0x10 [ 127.007708][ C0] ? __pfx_validate_chain+0x10/0x10 [ 127.012929][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 127.017912][ C0] ? mark_lock+0x9a/0x360 [ 127.022261][ C0] ? __pfx_validate_chain+0x10/0x10 [ 127.027509][ C0] ? __lock_acquire+0x1359/0x2000 [ 127.032565][ C0] ? mark_lock+0x9a/0x360 [ 127.036938][ C0] ? __lock_acquire+0x1359/0x2000 [ 127.042002][ C0] netlink_rcv_skb+0x1e3/0x430 [ 127.046821][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 127.052422][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 127.057756][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 127.063024][ C0] netlink_unicast+0x7f0/0x990 [ 127.067817][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 127.073230][ C0] ? __virt_addr_valid+0x183/0x530 [ 127.078372][ C0] ? __check_object_size+0x49c/0x900 [ 127.083700][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 127.088834][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 127.093671][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 127.098969][ C0] ? __import_iovec+0x536/0x820 [ 127.103858][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 127.108822][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 127.114148][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 127.119660][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 127.124956][ C0] __sock_sendmsg+0x221/0x270 [ 127.129697][ C0] ____sys_sendmsg+0x525/0x7d0 [ 127.134489][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 127.139846][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 127.145782][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 127.150422][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 127.155581][ C0] ? netlink_bind+0xaeb/0xc90 [ 127.160323][ C0] ? __pfx___sys_bind+0x10/0x10 [ 127.165184][ C0] ? fd_install+0x35c/0x5d0 [ 127.169736][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 127.176085][ C0] ? do_syscall_64+0x100/0x230 [ 127.180883][ C0] ? do_syscall_64+0xb6/0x230 [ 127.185610][ C0] do_syscall_64+0xf3/0x230 [ 127.190163][ C0] ? clear_bhb_loop+0x35/0x90 [ 127.194875][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 127.200820][ C0] RIP: 0033:0x7f79d95daa4b [ 127.205725][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 127.214168][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 127.222181][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 127.230270][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 127.238282][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 127.246283][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 127.254302][ C0] [ 127.257330][ C0] [ 127.257330][ C0] Showing all locks held in the system: [ 127.265074][ C0] 3 locks held by kworker/1:2/59: [ 127.270101][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 127.281135][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 127.294010][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 127.304198][ C0] 3 locks held by kworker/u8:7/2815: [ 127.309709][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 127.321345][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 127.334197][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 127.343679][ C0] 1 lock held by dhcpcd/4761: [ 127.348384][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 127.357942][ C0] 2 locks held by getty/4845: [ 127.362626][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 127.372438][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 127.382652][ C0] 2 locks held by dhcpcd/5243: [ 127.387518][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 127.397902][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 127.408871][ C0] 2 locks held by syz-executor.0/5478: [ 127.414422][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 127.423988][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 127.434942][ C0] 1 lock held by syz-executor.0/5480: [ 127.440317][ C0] [ 127.442649][ C0] ============================================= [ 127.442649][ C0] [ 128.491286][ C0] DEBUG: waiting rtnl_mutex for 3143 jiffies. [ 128.497406][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 128.507660][ C0] Call Trace: [ 128.510972][ C0] [ 128.513964][ C0] __schedule+0x1800/0x4a60 [ 128.518519][ C0] ? __pfx___schedule+0x10/0x10 [ 128.523412][ C0] ? __pfx_lock_release+0x10/0x10 [ 128.528457][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 128.534408][ C0] ? schedule+0x90/0x320 [ 128.538666][ C0] schedule+0x14b/0x320 [ 128.542869][ C0] schedule_preempt_disabled+0x13/0x30 [ 128.548343][ C0] __mutex_lock+0x6a4/0xd70 [ 128.552896][ C0] ? __mutex_lock+0x527/0xd70 [ 128.557592][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 128.562831][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 128.567905][ C0] ? get_rtnl_holder+0x144/0x190 [ 128.572861][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 128.577936][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 128.583156][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 128.588667][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 128.593981][ C0] ? __pfx_validate_chain+0x10/0x10 [ 128.599228][ C0] ? __pfx_validate_chain+0x10/0x10 [ 128.604447][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 128.609427][ C0] ? mark_lock+0x9a/0x360 [ 128.613774][ C0] ? __pfx_validate_chain+0x10/0x10 [ 128.619022][ C0] ? __lock_acquire+0x1359/0x2000 [ 128.624102][ C0] ? mark_lock+0x9a/0x360 [ 128.628508][ C0] ? __lock_acquire+0x1359/0x2000 [ 128.633570][ C0] netlink_rcv_skb+0x1e3/0x430 [ 128.638394][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 128.643903][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 128.649238][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 128.654470][ C0] netlink_unicast+0x7f0/0x990 [ 128.659267][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 128.664587][ C0] ? __virt_addr_valid+0x183/0x530 [ 128.669725][ C0] ? __check_object_size+0x49c/0x900 [ 128.675049][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 128.680179][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 128.684998][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 128.690294][ C0] ? __import_iovec+0x536/0x820 [ 128.695179][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 128.700218][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 128.705550][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 128.711050][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 128.716345][ C0] __sock_sendmsg+0x221/0x270 [ 128.721069][ C0] ____sys_sendmsg+0x525/0x7d0 [ 128.725859][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 128.731186][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 128.737119][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 128.741748][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 128.746969][ C0] ? netlink_bind+0xaeb/0xc90 [ 128.751791][ C0] ? __pfx___sys_bind+0x10/0x10 [ 128.756652][ C0] ? fd_install+0x35c/0x5d0 [ 128.761205][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 128.767554][ C0] ? do_syscall_64+0x100/0x230 [ 128.772358][ C0] ? do_syscall_64+0xb6/0x230 [ 128.777263][ C0] do_syscall_64+0xf3/0x230 [ 128.781864][ C0] ? clear_bhb_loop+0x35/0x90 [ 128.786628][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 128.792618][ C0] RIP: 0033:0x7f79d95daa4b [ 128.797079][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 128.805516][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 128.813533][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 128.821720][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 128.829736][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 128.837742][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 128.845763][ C0] [ 128.848805][ C0] [ 128.848805][ C0] Showing all locks held in the system: [ 128.856609][ C0] 2 locks held by kworker/0:1H/42: [ 128.861735][ C0] #0: ffff88801baa8548 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 128.872911][ C0] #1: ffffc90000b27d00 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 128.885197][ C0] 3 locks held by kworker/1:2/59: [ 128.890226][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 128.901304][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 128.914063][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 128.924382][ C0] 3 locks held by kworker/u8:7/2815: [ 128.929708][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 128.941572][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 128.954425][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 128.963896][ C0] 1 lock held by dhcpcd/4761: [ 128.968595][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 128.978150][ C0] 2 locks held by getty/4845: [ 128.982827][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 128.992703][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 129.002907][ C0] 2 locks held by dhcpcd/5243: [ 129.007703][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 129.017972][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 129.028929][ C0] 2 locks held by syz-executor.0/5478: [ 129.034396][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 129.043975][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 129.054929][ C0] 1 lock held by syz-executor.0/5480: [ 129.060314][ C0] [ 129.062735][ C0] ============================================= [ 129.062735][ C0] [ 129.997132][ C0] DEBUG: waiting rtnl_mutex for 3301 jiffies. [ 130.003450][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 130.013848][ C0] Call Trace: [ 130.017171][ C0] [ 130.020127][ C0] __schedule+0x1800/0x4a60 [ 130.024677][ C0] ? __pfx___schedule+0x10/0x10 [ 130.029578][ C0] ? __pfx_lock_release+0x10/0x10 [ 130.034711][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 130.040227][ C0] ? schedule+0x90/0x320 [ 130.044485][ C0] schedule+0x14b/0x320 [ 130.049134][ C0] schedule_preempt_disabled+0x13/0x30 [ 130.054628][ C0] __mutex_lock+0x6a4/0xd70 [ 130.059156][ C0] ? __mutex_lock+0x527/0xd70 [ 130.063879][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 130.069139][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 130.074265][ C0] ? get_rtnl_holder+0x144/0x190 [ 130.079230][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 130.084320][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 130.089545][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 130.095090][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 130.100407][ C0] ? __pfx_validate_chain+0x10/0x10 [ 130.105660][ C0] ? __pfx_validate_chain+0x10/0x10 [ 130.110884][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 130.115868][ C0] ? mark_lock+0x9a/0x360 [ 130.120214][ C0] ? __pfx_validate_chain+0x10/0x10 [ 130.125464][ C0] ? __lock_acquire+0x1359/0x2000 [ 130.130544][ C0] ? mark_lock+0x9a/0x360 [ 130.134896][ C0] ? __lock_acquire+0x1359/0x2000 [ 130.139966][ C0] netlink_rcv_skb+0x1e3/0x430 [ 130.144783][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 130.150322][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 130.155651][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 130.160880][ C0] netlink_unicast+0x7f0/0x990 [ 130.165677][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 130.171092][ C0] ? __virt_addr_valid+0x183/0x530 [ 130.176224][ C0] ? __check_object_size+0x49c/0x900 [ 130.181553][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 130.186691][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 130.191518][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 130.196836][ C0] ? __import_iovec+0x536/0x820 [ 130.201720][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 130.206697][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 130.212000][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 130.217549][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 130.222848][ C0] __sock_sendmsg+0x221/0x270 [ 130.227658][ C0] ____sys_sendmsg+0x525/0x7d0 [ 130.232451][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 130.237778][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 130.243708][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 130.248343][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 130.253472][ C0] ? netlink_bind+0xaeb/0xc90 [ 130.258207][ C0] ? __pfx___sys_bind+0x10/0x10 [ 130.263160][ C0] ? fd_install+0x35c/0x5d0 [ 130.267712][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 130.274081][ C0] ? do_syscall_64+0x100/0x230 [ 130.278889][ C0] ? do_syscall_64+0xb6/0x230 [ 130.283658][ C0] do_syscall_64+0xf3/0x230 [ 130.288184][ C0] ? clear_bhb_loop+0x35/0x90 [ 130.292908][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 130.298819][ C0] RIP: 0033:0x7f79d95daa4b [ 130.303268][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 130.311721][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 130.319704][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 130.327753][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 130.335789][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 130.343797][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 130.351821][ C0] [ 130.354852][ C0] [ 130.354852][ C0] Showing all locks held in the system: [ 130.362600][ C0] 2 locks held by kworker/0:1H/42: [ 130.367806][ C0] #0: ffff88801baa8548 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 130.378979][ C0] #1: ffffc90000b27d00 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 130.391296][ C0] 3 locks held by kworker/1:2/59: [ 130.396330][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 130.407418][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 130.420249][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 130.430513][ C0] 3 locks held by kworker/u8:7/2815: [ 130.435850][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 130.448175][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 130.461054][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 130.470574][ C0] 1 lock held by dhcpcd/4761: [ 130.475291][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 130.484915][ C0] 2 locks held by getty/4845: [ 130.489616][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 130.499466][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 130.509639][ C0] 2 locks held by dhcpcd/5243: [ 130.514428][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 130.524742][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 130.535727][ C0] 2 locks held by syz-executor.0/5478: [ 130.541279][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 130.550909][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 130.561980][ C0] [ 130.564313][ C0] ============================================= [ 130.564313][ C0] [ 131.540850][ C0] DEBUG: waiting rtnl_mutex for 3463 jiffies. [ 131.547004][ C0] task:dhcpcd state:D stack:20384 pid:4761 tgid:4761 ppid:4760 flags:0x00000002 [ 131.557258][ C0] Call Trace: [ 131.560658][ C0] [ 131.563603][ C0] __schedule+0x1800/0x4a60 [ 131.568150][ C0] ? __pfx___schedule+0x10/0x10 [ 131.573046][ C0] ? __pfx_lock_release+0x10/0x10 [ 131.578182][ C0] ? __mutex_trylock_common+0x92/0x2e0 [ 131.583700][ C0] ? schedule+0x90/0x320 [ 131.587955][ C0] schedule+0x14b/0x320 [ 131.592158][ C0] schedule_preempt_disabled+0x13/0x30 [ 131.597639][ C0] __mutex_lock+0x6a4/0xd70 [ 131.602185][ C0] ? __mutex_lock+0x527/0xd70 [ 131.606887][ C0] ? rtnetlink_rcv_msg+0x847/0x1180 [ 131.612132][ C0] ? __pfx___mutex_lock+0x10/0x10 [ 131.617211][ C0] ? get_rtnl_holder+0x144/0x190 [ 131.622162][ C0] rtnetlink_rcv_msg+0x847/0x1180 [ 131.627323][ C0] ? rtnetlink_rcv_msg+0x208/0x1180 [ 131.632547][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 131.638051][ C0] ? is_bpf_text_address+0x285/0x2a0 [ 131.643363][ C0] ? __pfx_validate_chain+0x10/0x10 [ 131.648605][ C0] ? __pfx_validate_chain+0x10/0x10 [ 131.653831][ C0] ? arch_stack_walk+0x16d/0x1b0 [ 131.658812][ C0] ? mark_lock+0x9a/0x360 [ 131.663165][ C0] ? __pfx_validate_chain+0x10/0x10 [ 131.668412][ C0] ? __lock_acquire+0x1359/0x2000 [ 131.673470][ C0] ? mark_lock+0x9a/0x360 [ 131.677841][ C0] ? __lock_acquire+0x1359/0x2000 [ 131.682906][ C0] netlink_rcv_skb+0x1e3/0x430 [ 131.687722][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10 [ 131.693231][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10 [ 131.698563][ C0] ? netlink_deliver_tap+0x2e/0x1b0 [ 131.703797][ C0] netlink_unicast+0x7f0/0x990 [ 131.708597][ C0] ? __pfx_netlink_unicast+0x10/0x10 [ 131.713923][ C0] ? __virt_addr_valid+0x183/0x530 [ 131.719150][ C0] ? __check_object_size+0x49c/0x900 [ 131.724479][ C0] ? bpf_lsm_netlink_send+0x9/0x10 [ 131.729614][ C0] netlink_sendmsg+0x8e4/0xcb0 [ 131.734435][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 131.739735][ C0] ? __import_iovec+0x536/0x820 [ 131.744707][ C0] ? aa_sock_msg_perm+0x91/0x160 [ 131.749665][ C0] ? bpf_lsm_socket_sendmsg+0x9/0x10 [ 131.755081][ C0] ? security_socket_sendmsg+0x87/0xb0 [ 131.760583][ C0] ? __pfx_netlink_sendmsg+0x10/0x10 [ 131.765967][ C0] __sock_sendmsg+0x221/0x270 [ 131.770687][ C0] ____sys_sendmsg+0x525/0x7d0 [ 131.775475][ C0] ? __pfx_____sys_sendmsg+0x10/0x10 [ 131.780806][ C0] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 131.786729][ C0] __sys_sendmsg+0x2b0/0x3a0 [ 131.791360][ C0] ? __pfx___sys_sendmsg+0x10/0x10 [ 131.796483][ C0] ? netlink_bind+0xaeb/0xc90 [ 131.801276][ C0] ? __pfx___sys_bind+0x10/0x10 [ 131.806165][ C0] ? fd_install+0x35c/0x5d0 [ 131.810780][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 131.817179][ C0] ? do_syscall_64+0x100/0x230 [ 131.821964][ C0] ? do_syscall_64+0xb6/0x230 [ 131.826655][ C0] do_syscall_64+0xf3/0x230 [ 131.831213][ C0] ? clear_bhb_loop+0x35/0x90 [ 131.835910][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 131.841838][ C0] RIP: 0033:0x7f79d95daa4b [ 131.846284][ C0] RSP: 002b:00007ffc89358b18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 131.854714][ C0] RAX: ffffffffffffffda RBX: 00007f79d95026c0 RCX: 00007f79d95daa4b [ 131.862720][ C0] RDX: 0000000000000000 RSI: 00007ffc8936ccc8 RDI: 0000000000000014 [ 131.870725][ C0] RBP: 0000000000000014 R08: 0000000000000000 R09: 00007ffc8936ccc8 [ 131.878735][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff [ 131.886743][ C0] R13: 00007ffc8936ccc8 R14: 0000000000000020 R15: 0000000000000001 [ 131.894763][ C0] [ 131.897799][ C0] [ 131.897799][ C0] Showing all locks held in the system: [ 131.905541][ C0] 2 locks held by kworker/0:1H/42: [ 131.910657][ C0] #0: ffff88801baa8548 ((wq_completion)kblockd){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 131.921909][ C0] #1: ffffc90000b27d00 ((work_completion)(&q->timeout_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 131.934294][ C0] 3 locks held by kworker/1:2/59: [ 131.939389][ C0] #0: ffff888015080948 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 131.950636][ C0] #1: ffffc9000134fd00 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 131.963494][ C0] #2: ffff8880236b1240 (&data->fib_lock){+.+.}-{3:3}, at: nsim_fib_event_work+0x2d1/0x4130 [ 131.973695][ C0] 3 locks held by kworker/u8:7/2815: [ 131.978987][ C0] #0: ffff888029a66148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 131.990798][ C0] #1: ffffc90009537d00 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 132.003676][ C0] #2: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_dad_work+0xd0/0x16f0 [ 132.013153][ C0] 1 lock held by dhcpcd/4761: [ 132.017939][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 132.027557][ C0] 2 locks held by getty/4845: [ 132.032255][ C0] #0: ffff88802a2240a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 132.042145][ C0] #1: ffffc9000312b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10 [ 132.052354][ C0] 2 locks held by dhcpcd/5243: [ 132.057174][ C0] #0: ffff88807da95c08 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 132.067489][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x451/0x830 [ 132.078590][ C0] 2 locks held by syz-executor.0/5478: [ 132.084123][ C0] #0: ffffffff8f5ff788 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x847/0x1180 [ 132.093782][ C0] #1: ffffffff8e33ac38 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x381/0x830 [ 132.104743][ C0] [ 132.107079][ C0] ============================================= [ 132.107079][ C0]