Warning: Permanently added '10.128.0.255' (ECDSA) to the list of known hosts. [ 1048.929285][ T46] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1048.938176][ T46] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1048.960271][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1048.973134][ T76] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1048.981637][ T56] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1048.989587][ T56] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1048.998447][ T76] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.008857][ T76] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1049.016942][ T76] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.024635][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1049.032386][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1049.040036][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1049.060915][ T76] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1049.068898][ T76] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.078765][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1049.101251][ T76] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1049.112184][ T76] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.119535][ T5154] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 1049.122571][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1049.131798][ T5154] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.144677][ T5148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 1049.183115][ T5154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1049.202255][ T46] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1049.203883][ T5154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.212018][ T46] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.234527][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1049.252129][ T901] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program [ 1049.284817][ T5154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1049.315235][ T5154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 1049.348245][ T76] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 1049.359164][ T5148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1049.372316][ T76] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 1049.401608][ T5148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 1049.426072][ T5154] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 executing program [ 1049.448328][ T5154] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 1049.477070][ T5148] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1289.988652][ C0] BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 233s! [ 1289.997930][ C0] Showing busy workqueues and worker pools: [ 1290.003901][ C0] workqueue events: flags=0x0 [ 1290.008651][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=10/256 refcnt=11 [ 1290.008700][ C0] in-flight: 901:drain_vmap_area_work [ 1290.008861][ C0] pending: drain_vmap_area_work, vmstat_shepherd, psi_avgs_work, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, kfree_rcu_monitor, free_work [ 1290.009088][ C0] workqueue events_long: flags=0x0 [ 1290.046866][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 1290.047002][ C0] pending: defense_work_handler, defense_work_handler [ 1290.047119][ C0] workqueue events_unbound: flags=0x2 [ 1290.067435][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=4 [ 1290.067479][ C0] in-flight: 76:toggle_allocation_gate [ 1290.067580][ C0] workqueue events_power_efficient: flags=0x80 [ 1290.086866][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 [ 1290.086918][ C0] pending: gc_worker, neigh_managed_work, neigh_periodic_work [ 1290.087075][ C0] workqueue rcu_gp: flags=0x8 [ 1290.107317][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1290.107376][ C0] pending: wait_rcu_exp_gp [ 1290.107469][ C0] workqueue mm_percpu_wq: flags=0x8 [ 1290.125217][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 1290.125266][ C0] pending: vmstat_update [ 1290.125366][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=233s workers=4 idle: 5153 7 5145 [ 1290.126046][ T28] INFO: task dhcpcd:5203 blocked for more than 143 seconds. [ 1290.220460][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1290.227736][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1290.250459][ T28] task:dhcpcd state:D stack:29080 pid:5203 ppid:4647 flags:0x00000000 [ 1290.259748][ T28] Call Trace: [ 1290.270450][ T28] [ 1290.273452][ T28] __schedule+0xb8a/0x5450 [ 1290.277992][ T28] ? find_held_lock+0x2d/0x110 [ 1290.300470][ T28] ? prepare_to_wait_event+0xd0/0x6a0 [ 1290.305944][ T28] ? io_schedule_timeout+0x150/0x150 [ 1290.320460][ T28] ? mark_held_locks+0x9f/0xe0 [ 1290.325304][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1290.340468][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 1290.345777][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1290.370465][ T28] schedule+0xde/0x1b0 [ 1290.374631][ T28] synchronize_rcu_expedited+0x39f/0x780 [ 1290.380354][ T28] ? wait_rcu_exp_gp+0x40/0x40 [ 1290.390461][ T28] ? lock_chain_count+0x20/0x20 [ 1290.395390][ T28] ? prepare_to_wait_exclusive+0x2c0/0x2c0 [ 1290.410468][ T28] ? __lock_acquire+0x166e/0x56d0 [ 1290.415595][ T28] ? rcu_exp_wait_wake+0xf20/0xf20 [ 1290.440473][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 1290.446550][ T28] synchronize_rcu+0x306/0x3b0 [ 1290.460477][ T28] ? synchronize_rcu_expedited+0x780/0x780 [ 1290.466400][ T28] ? find_held_lock+0x2d/0x110 [ 1290.479283][ T28] ? __unregister_prot_hook+0x485/0x5a0 [ 1290.490487][ T28] synchronize_net+0x4e/0x60 [ 1290.495188][ T28] __unregister_prot_hook+0x48a/0x5a0 [ 1290.510503][ T28] packet_do_bind+0x8bc/0xdc0 [ 1290.515277][ T28] packet_bind+0x156/0x1b0 [ 1290.519747][ T28] __sys_bind+0x1ed/0x260 [ 1290.540461][ T28] ? __ia32_sys_socketpair+0x100/0x100 [ 1290.546017][ T28] ? __sys_socket+0x8e/0x250 [ 1290.560466][ T28] ? syscall_enter_from_user_mode+0x26/0xb0 [ 1290.566445][ T28] __x64_sys_bind+0x73/0xb0 [ 1290.581845][ T28] do_syscall_64+0x39/0xb0 [ 1290.586383][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 1290.610483][ T28] RIP: 0033:0x7f993b099ce7 [ 1290.614967][ T28] RSP: 002b:00007ffdba3ce7f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 [ 1290.630487][ T28] RAX: ffffffffffffffda RBX: 00005639a28d4b60 RCX: 00007f993b099ce7 [ 1290.638528][ T28] RDX: 0000000000000014 RSI: 00007ffdba3ce808 RDI: 0000000000000005 [ 1290.670479][ T28] RBP: 0000000000000000 R08: 00005639a3582a80 R09: 00007f993b15aa60 [ 1290.678523][ T28] R10: 0000000000200000 R11: 0000000000000217 R12: 00005639a3580740 [ 1290.700460][ T28] R13: 00005639a3581df8 R14: 00007ffdba3ef0dc R15: 00007ffdba3ef104 [ 1290.708526][ T28] [ 1290.720490][ T28] INFO: task dhcpcd:5206 blocked for more than 144 seconds. [ 1290.727836][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1290.750486][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1290.759226][ T28] task:dhcpcd state:D stack:29080 pid:5206 ppid:4647 flags:0x00000000 [ 1290.786470][ T28] Call Trace: [ 1290.789821][ T28] [ 1290.800455][ T28] __schedule+0xb8a/0x5450 [ 1290.804943][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 1290.830480][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 1290.836558][ T28] ? io_schedule_timeout+0x150/0x150 [ 1290.850481][ T28] ? __mutex_lock+0xa43/0x1360 [ 1290.855342][ T28] schedule+0xde/0x1b0 [ 1290.859450][ T28] schedule_preempt_disabled+0x13/0x20 executing program [ 1290.880461][ T28] __mutex_lock+0xa48/0x1360 [ 1290.885135][ T28] ? synchronize_rcu_expedited+0x24f/0x780 [ 1290.910512][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0 [ 1290.916141][ T28] ? synchronize_rcu_expedited+0x21a/0x780 [ 1290.930506][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 1290.935444][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 1290.970492][ T28] synchronize_rcu_expedited+0x24f/0x780 [ 1290.976221][ T28] ? wait_rcu_exp_gp+0x40/0x40 [ 1291.000469][ T28] ? lock_chain_count+0x20/0x20 [ 1291.005405][ T28] ? register_lock_class+0xbe/0x1120 [ 1291.030479][ T28] ? kasan_save_stack+0x35/0x40 [ 1291.035424][ T28] ? __lock_acquire+0x166e/0x56d0 [ 1291.060482][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 1291.066566][ T28] synchronize_rcu+0x306/0x3b0 [ 1291.094452][ T28] ? synchronize_rcu_expedited+0x780/0x780 [ 1291.100365][ T28] ? find_held_lock+0x2d/0x110 [ 1291.125275][ T28] ? __unregister_prot_hook+0x485/0x5a0 [ 1291.150502][ T28] synchronize_net+0x4e/0x60 [ 1291.155174][ T28] __unregister_prot_hook+0x48a/0x5a0 [ 1291.180473][ T28] packet_do_bind+0x8bc/0xdc0 [ 1291.185245][ T28] packet_bind+0x156/0x1b0 [ 1291.189713][ T28] __sys_bind+0x1ed/0x260 [ 1291.220465][ T28] ? __ia32_sys_socketpair+0x100/0x100 [ 1291.226023][ T28] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 1291.260491][ T28] ? syscall_enter_from_user_mode+0x26/0xb0 [ 1291.266486][ T28] __x64_sys_bind+0x73/0xb0 [ 1291.290483][ T28] do_syscall_64+0x39/0xb0 [ 1291.294993][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 1291.330482][ T28] RIP: 0033:0x7f993b099ce7 [ 1291.334974][ T28] RSP: 002b:00007ffdba3ce7f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 [ 1291.370485][ T28] RAX: ffffffffffffffda RBX: 00005639a28d4b60 RCX: 00007f993b099ce7 [ 1291.378538][ T28] RDX: 0000000000000014 RSI: 00007ffdba3ce808 RDI: 0000000000000005 [ 1291.410479][ T28] RBP: 0000000000000000 R08: 00005639a3581d90 R09: 00007f993b15aa60 [ 1291.418526][ T28] R10: 0000000000200000 R11: 0000000000000217 R12: 00005639a3580740 [ 1291.470478][ T28] R13: 00005639a3582838 R14: 00007ffdba3ef0dc R15: 00007ffdba3ef104 [ 1291.478569][ T28] [ 1291.500548][ T28] INFO: task dhcpcd:5212 blocked for more than 145 seconds. [ 1291.530481][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1291.537747][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1291.570474][ T28] task:dhcpcd state:D stack:29080 pid:5212 ppid:4647 flags:0x00000000 [ 1291.579772][ T28] Call Trace: [ 1291.606510][ T28] [ 1291.609515][ T28] __schedule+0xb8a/0x5450 [ 1291.640521][ T28] ? find_held_lock+0x2d/0x110 [ 1291.645383][ T28] ? prepare_to_wait_event+0xd0/0x6a0 [ 1291.670494][ T28] ? io_schedule_timeout+0x150/0x150 [ 1291.675955][ T28] ? mark_held_locks+0x9f/0xe0 [ 1291.700538][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1291.706435][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 1291.740527][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1291.746432][ T28] schedule+0xde/0x1b0 [ 1291.770488][ T28] synchronize_rcu_expedited+0x6ec/0x780 [ 1291.776232][ T28] ? wait_rcu_exp_gp+0x40/0x40 [ 1291.800524][ T28] ? lock_chain_count+0x20/0x20 [ 1291.805475][ T28] ? prepare_to_wait_exclusive+0x2c0/0x2c0 [ 1291.840538][ T28] ? __lock_acquire+0x166e/0x56d0 executing program [ 1291.845664][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 1291.869523][ T28] synchronize_rcu+0x306/0x3b0 [ 1291.883611][ T28] ? synchronize_rcu_expedited+0x780/0x780 [ 1291.901890][ T28] ? find_held_lock+0x2d/0x110 [ 1291.919160][ T28] ? __unregister_prot_hook+0x485/0x5a0 [ 1291.937118][ T28] synchronize_net+0x4e/0x60 [ 1291.952979][ T28] __unregister_prot_hook+0x48a/0x5a0 [ 1291.969727][ T28] packet_do_bind+0x8bc/0xdc0 [ 1291.987933][ T28] packet_bind+0x156/0x1b0 [ 1292.001455][ T28] __sys_bind+0x1ed/0x260 [ 1292.017183][ T28] ? __ia32_sys_socketpair+0x100/0x100 [ 1292.035030][ T28] ? __sys_socket+0x8e/0x250 [ 1292.050007][ T28] ? syscall_enter_from_user_mode+0x26/0xb0 [ 1292.069501][ T28] __x64_sys_bind+0x73/0xb0 [ 1292.083188][ T28] do_syscall_64+0x39/0xb0 [ 1292.097744][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 1292.118508][ T28] RIP: 0033:0x7f993b099ce7 [ 1292.134152][ T28] RSP: 002b:00007ffdba3ce7f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 [ 1292.160510][ T28] RAX: ffffffffffffffda RBX: 00005639a28d4b60 RCX: 00007f993b099ce7 [ 1292.185512][ T28] RDX: 0000000000000014 RSI: 00007ffdba3ce808 RDI: 0000000000000005 [ 1292.211373][ T28] RBP: 0000000000000000 R08: 00005639a3581d90 R09: 00007f993b15aa60 [ 1292.240530][ T28] R10: 0000000000200000 R11: 0000000000000217 R12: 00005639a3580740 [ 1292.265214][ T28] R13: 00005639a3582ae8 R14: 00007ffdba3ef0dc R15: 00007ffdba3ef104 [ 1292.291221][ T28] [ 1292.301236][ T28] INFO: task dhcpcd:5213 blocked for more than 145 seconds. [ 1292.327515][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1292.350509][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1292.377110][ T28] task:dhcpcd state:D stack:29080 pid:5213 ppid:4647 flags:0x00000000 [ 1292.407504][ T28] Call Trace: [ 1292.418729][ T28] [ 1292.429998][ T28] __schedule+0xb8a/0x5450 [ 1292.444729][ T28] ? find_held_lock+0x2d/0x110 [ 1292.459722][ T28] ? prepare_to_wait_event+0xd0/0x6a0 [ 1292.477619][ T28] ? io_schedule_timeout+0x150/0x150 [ 1292.494135][ T28] ? mark_held_locks+0x9f/0xe0 [ 1292.510059][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1292.530653][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 1292.548213][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1292.567470][ T28] schedule+0xde/0x1b0 [ 1292.580585][ T28] synchronize_rcu_expedited+0x6ec/0x780 [ 1292.597430][ T28] ? wait_rcu_exp_gp+0x40/0x40 [ 1292.613435][ T28] ? lock_chain_count+0x20/0x20 [ 1292.631493][ T28] ? prepare_to_wait_exclusive+0x2c0/0x2c0 [ 1292.649648][ T28] ? __lock_acquire+0x166e/0x56d0 [ 1292.667238][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 1292.685584][ T28] synchronize_rcu+0x306/0x3b0 [ 1292.701683][ T28] ? synchronize_rcu_expedited+0x780/0x780 [ 1292.719773][ T28] ? find_held_lock+0x2d/0x110 executing program [ 1292.737220][ T28] ? __unregister_prot_hook+0x485/0x5a0 [ 1292.756210][ T28] synchronize_net+0x4e/0x60 [ 1292.771026][ T28] __unregister_prot_hook+0x48a/0x5a0 [ 1292.787656][ T28] packet_do_bind+0x8bc/0xdc0 [ 1292.804792][ T28] packet_bind+0x156/0x1b0 [ 1292.818420][ T28] __sys_bind+0x1ed/0x260 [ 1292.832866][ T28] ? __ia32_sys_socketpair+0x100/0x100 [ 1292.854240][ T28] ? __sys_socket+0x8e/0x250 [ 1292.867805][ T28] ? syscall_enter_from_user_mode+0x26/0xb0 [ 1292.887205][ T28] __x64_sys_bind+0x73/0xb0 [ 1292.903012][ T28] do_syscall_64+0x39/0xb0 [ 1292.917490][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 1292.938826][ T28] RIP: 0033:0x7f993b099ce7 [ 1292.953398][ T28] RSP: 002b:00007ffdba3ce7f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 executing program [ 1292.979743][ T28] RAX: ffffffffffffffda RBX: 00005639a28d4b60 RCX: 00007f993b099ce7 [ 1293.005761][ T28] RDX: 0000000000000014 RSI: 00007ffdba3ce808 RDI: 0000000000000005 [ 1293.031828][ T28] RBP: 0000000000000000 R08: 00005639a3581d90 R09: 00007f993b15aa60 [ 1293.060517][ T28] R10: 0000000000200000 R11: 0000000000000217 R12: 00005639a3580740 [ 1293.085214][ T28] R13: 00005639a3582c68 R14: 00007ffdba3ef0dc R15: 00007ffdba3ef104 [ 1293.111080][ T28] [ 1293.120905][ T28] INFO: task dhcpcd:5214 blocked for more than 146 seconds. [ 1293.149271][ T28] Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1293.172076][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1293.199742][ T28] task:dhcpcd state:D stack:29080 pid:5214 ppid:4647 flags:0x00000000 [ 1293.228115][ T28] Call Trace: [ 1293.239293][ T28] [ 1293.251411][ T28] __schedule+0xb8a/0x5450 [ 1293.265878][ T28] ? find_held_lock+0x2d/0x110 [ 1293.280773][ T28] ? prepare_to_wait_event+0xd0/0x6a0 [ 1293.298504][ T28] ? io_schedule_timeout+0x150/0x150 [ 1293.316188][ T28] ? mark_held_locks+0x9f/0xe0 [ 1293.331158][ T28] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 1293.352639][ T28] ? lockdep_hardirqs_on+0x7d/0x100 [ 1293.368991][ T28] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1293.387145][ T28] schedule+0xde/0x1b0 [ 1293.401429][ T28] synchronize_rcu_expedited+0x6ec/0x780 [ 1293.419571][ T28] ? wait_rcu_exp_gp+0x40/0x40 [ 1293.434648][ T28] ? lock_chain_count+0x20/0x20 [ 1293.452748][ T28] ? prepare_to_wait_exclusive+0x2c0/0x2c0 [ 1293.471920][ T28] ? __lock_acquire+0x166e/0x56d0 [ 1293.487062][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 1293.507726][ T28] synchronize_rcu+0x306/0x3b0 [ 1293.522610][ T28] ? synchronize_rcu_expedited+0x780/0x780 [ 1293.541801][ T28] ? find_held_lock+0x2d/0x110 [ 1293.558771][ T28] ? __unregister_prot_hook+0x485/0x5a0 [ 1293.576664][ T28] synchronize_net+0x4e/0x60 [ 1293.591421][ T28] __unregister_prot_hook+0x48a/0x5a0 [ 1293.610159][ T28] packet_do_bind+0x8bc/0xdc0 [ 1293.630504][ T28] packet_bind+0x156/0x1b0 [ 1293.646303][ T28] __sys_bind+0x1ed/0x260 [ 1293.661029][ T28] ? __ia32_sys_socketpair+0x100/0x100 [ 1293.679837][ T28] ? __sys_socket+0x8e/0x250 [ 1293.693720][ T28] ? syscall_enter_from_user_mode+0x26/0xb0 [ 1293.712979][ T28] __x64_sys_bind+0x73/0xb0 [ 1293.727554][ T28] do_syscall_64+0x39/0xb0 [ 1293.742101][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 1293.763503][ T28] RIP: 0033:0x7f993b099ce7 [ 1293.778012][ T28] RSP: 002b:00007ffdba3ce7f8 EFLAGS: 00000217 ORIG_RAX: 0000000000000031 [ 1293.804262][ T28] RAX: ffffffffffffffda RBX: 00005639a28d4b60 RCX: 00007f993b099ce7 [ 1293.830019][ T28] RDX: 0000000000000014 RSI: 00007ffdba3ce808 RDI: 0000000000000005 [ 1293.854962][ T28] RBP: 0000000000000000 R08: 00005639a3581d90 R09: 00007f993b15aa60 [ 1293.884700][ T28] R10: 0000000000200000 R11: 0000000000000217 R12: 00005639a3580740 [ 1293.909432][ T28] R13: 00005639a3582de8 R14: 00007ffdba3ef0dc R15: 00007ffdba3ef104 [ 1293.935520][ T28] [ 1293.945375][ T28] [ 1293.945375][ T28] Showing all locks held in the system: [ 1293.970824][ T28] 1 lock held by rcu_tasks_kthre/12: [ 1293.988672][ T28] #0: ffffffff8c590b70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 [ 1294.022681][ T28] 1 lock held by rcu_tasks_trace/13: [ 1294.039092][ T28] #0: ffffffff8c590870 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 [ 1294.075528][ T28] 1 lock held by khungtaskd/28: [ 1294.091695][ T28] #0: ffffffff8c5916c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 [ 1294.122787][ T28] 3 locks held by kworker/0:2/901: [ 1294.140201][ T28] 2 locks held by getty/4750: [ 1294.155225][ T28] #0: ffff88802a2d3098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 [ 1294.187900][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 [ 1294.220348][ T28] 2 locks held by dhcpcd/5203: [ 1294.235511][ T28] #0: ffff888078bac130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 [ 1294.266317][ T28] #1: ffffffff8c59c378 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x5df/0x780 [ 1294.304892][ T28] 2 locks held by dhcpcd/5206: [ 1294.319690][ T28] #0: ffff888012ff6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 [ 1294.350509][ T28] #1: ffffffff8c59c378 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x24f/0x780 [ 1294.388895][ T28] 1 lock held by dhcpcd/5212: executing program [ 1294.403973][ T28] #0: ffff88807ba04130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 [ 1294.434977][ T28] 1 lock held by dhcpcd/5213: [ 1294.449936][ T28] #0: ffff888026c52130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 [ 1294.484719][ T28] 1 lock held by dhcpcd/5214: [ 1294.498456][ T28] #0: ffff888078bf6130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 [ 1294.530542][ T28] 1 lock held by dhcpcd/5292: [ 1294.545298][ T28] #0: ffff8880277fa130 (sk_lock-AF_PACKET){+.+.}-{0:0}, at: packet_do_bind+0x2f/0xdc0 [ 1294.578182][ T28] 1 lock held by syz-executor117/5319: [ 1294.596010][ T28] 1 lock held by syz-executor117/5327: [ 1294.613805][ T28] 2 locks held by syz-executor117/5328: [ 1294.630577][ T28] [ 1294.638610][ T28] ============================================= [ 1294.638610][ T28] [ 1294.666012][ T28] NMI backtrace for cpu 0 [ 1294.670403][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1294.679984][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1294.690075][ T28] Call Trace: [ 1294.693384][ T28] [ 1294.696341][ T28] dump_stack_lvl+0xd1/0x138 [ 1294.700978][ T28] nmi_cpu_backtrace.cold+0x24/0x18a [ 1294.706317][ T28] nmi_trigger_cpumask_backtrace+0x333/0x3c0 [ 1294.712435][ T28] ? lapic_can_unplug_cpu+0x80/0x80 [ 1294.717684][ T28] watchdog+0xc75/0xfc0 [ 1294.721969][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 1294.728010][ T28] kthread+0x2e8/0x3a0 [ 1294.732116][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 1294.737794][ T28] ret_from_fork+0x1f/0x30 [ 1294.742274][ T28] [ 1294.745987][ T28] Sending NMI from CPU 0 to CPUs 1: [ 1294.751559][ C1] NMI backtrace for cpu 1 [ 1294.751571][ C1] CPU: 1 PID: 5319 Comm: syz-executor117 Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1294.751594][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1294.751604][ C1] RIP: 0010:check_preemption_disabled+0x2a/0x170 [ 1294.751634][ C1] Code: 41 56 41 55 49 89 f5 41 54 55 48 89 fd 53 0f 1f 44 00 00 65 44 8b 25 e1 43 0a 76 65 8b 1d d6 43 0a 76 81 e3 ff ff ff 7f 31 ff <89> de 0f 1f 44 00 00 85 db 74 11 0f 1f 44 00 00 44 89 e0 5b 5d 41 [ 1294.751651][ C1] RSP: 0018:ffffc9000337f6f8 EFLAGS: 00000046 [ 1294.751667][ C1] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000001 [ 1294.751679][ C1] RDX: 0000000000000000 RSI: ffffffff8a2c4e20 RDI: 0000000000000000 [ 1294.751690][ C1] RBP: ffffffff8a86b7c0 R08: 0000000000000000 R09: ffffffff8e529817 [ 1294.751701][ C1] R10: fffffbfff1ca5302 R11: 0000000000000000 R12: 0000000000000001 [ 1294.751713][ C1] R13: ffffffff8a2c4e20 R14: 00000000ffffffff R15: ffff88823fff7e00 [ 1294.751725][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0063) knlGS:00000000568a82c0 [ 1294.751743][ C1] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 1294.751756][ C1] CR2: 0000000020000040 CR3: 0000000025eca000 CR4: 00000000003506e0 [ 1294.751767][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1294.751777][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1294.751788][ C1] Call Trace: [ 1294.751793][ C1] [ 1294.751800][ C1] lock_is_held_type+0x67/0x140 [ 1294.751822][ C1] rcu_read_lock_sched_held+0x3e/0x70 [ 1294.751850][ C1] lock_release+0x5cf/0x810 [ 1294.751868][ C1] ? free_unref_page+0x284/0x490 [ 1294.751889][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 1294.751905][ C1] ? free_unref_page_commit+0x38f/0x6e0 [ 1294.751926][ C1] ? do_raw_spin_lock+0x2b0/0x2b0 [ 1294.751945][ C1] ? __drain_all_pages+0x540/0x540 [ 1294.751967][ C1] _raw_spin_unlock+0x16/0x40 [ 1294.751989][ C1] free_unref_page+0x284/0x490 [ 1294.752012][ C1] __vunmap+0x85d/0xd30 [ 1294.752037][ C1] __vfree+0x3c/0xd0 [ 1294.752053][ C1] __vmalloc_node_range+0xff8/0x13c0 [ 1294.752076][ C1] ? array_map_alloc+0x289/0x710 [ 1294.752164][ C1] ? vfree_atomic+0xe0/0xe0 [ 1294.752180][ C1] ? _raw_spin_unlock_irqrestore+0x41/0x70 [ 1294.752203][ C1] ? __debug_object_init+0x409/0xd10 [ 1294.752269][ C1] ? cap_capable+0x1e4/0x270 [ 1294.752302][ C1] ? array_map_alloc+0x289/0x710 [ 1294.752327][ C1] __bpf_map_area_alloc+0xd0/0x160 [ 1294.752373][ C1] ? array_map_alloc+0x289/0x710 [ 1294.752398][ C1] array_map_alloc+0x289/0x710 [ 1294.752425][ C1] prog_array_map_alloc+0x19a/0x2a0 [ 1294.752450][ C1] ? prog_fd_array_get_ptr+0x90/0x90 [ 1294.752475][ C1] map_create+0x4d3/0x18d0 [ 1294.752493][ C1] ? __might_fault+0xd9/0x180 [ 1294.752535][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 1294.752553][ C1] ? bpf_obj_name_cpy+0x1a0/0x1a0 [ 1294.752575][ C1] ? bpf_lsm_bpf+0x9/0x10 [ 1294.752613][ C1] __sys_bpf+0x13b8/0x4ff0 [ 1294.752631][ C1] ? do_raw_spin_unlock+0x175/0x230 [ 1294.752651][ C1] ? bpf_perf_link_attach+0x520/0x520 [ 1294.752675][ C1] ? find_held_lock+0x2d/0x110 [ 1294.752707][ C1] ? handle_mm_fault+0x25b/0x850 [ 1294.752735][ C1] __ia32_sys_bpf+0x78/0xe0 [ 1294.752754][ C1] __do_fast_syscall_32+0x65/0xf0 [ 1294.752781][ C1] do_fast_syscall_32+0x33/0x70 [ 1294.752806][ C1] entry_SYSENTER_compat_after_hwframe+0x70/0x82 [ 1294.752851][ C1] RIP: 0023:0xf7d83549 [ 1294.752865][ C1] Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 [ 1294.752881][ C1] RSP: 002b:00000000f7f44d0c EFLAGS: 00000217 ORIG_RAX: 0000000000000165 [ 1294.752898][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000020000040 [ 1294.752910][ C1] RDX: 0000000000000048 RSI: 0000000000000006 RDI: 00000000ffffffff [ 1294.752920][ C1] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 1294.752931][ C1] R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 [ 1294.752942][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 1294.752959][ C1] [ 1294.752966][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.407 msecs [ 1295.169252][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 1295.176146][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.1.0-syzkaller-13139-gf9ff5644bcc0 #0 [ 1295.185646][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 1295.195739][ T28] Call Trace: [ 1295.199042][ T28] [ 1295.201996][ T28] dump_stack_lvl+0xd1/0x138 [ 1295.206637][ T28] panic+0x2cc/0x626 [ 1295.210568][ T28] ? panic_print_sys_info.part.0+0x110/0x110 [ 1295.216602][ T28] ? preempt_schedule_thunk+0x1a/0x20 [ 1295.222035][ T28] ? watchdog.cold+0x130/0x158 [ 1295.226891][ T28] watchdog.cold+0x141/0x158 [ 1295.231540][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 1295.237576][ T28] kthread+0x2e8/0x3a0 [ 1295.241688][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 1295.247371][ T28] ret_from_fork+0x1f/0x30 [ 1295.251850][ T28] [ 1295.255046][ T28] Kernel Offset: disabled [ 1295.259386][ T28] Rebooting in 86400 seconds..