[ 15.395812][ T3893] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.399041][ T3893] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.442971][ T164] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.448023][ T108] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.45' (ECDSA) to the list of known hosts. syzkaller login: [ 54.651928][ T4224] chnl_net:caif_netlink_parms(): no params data found [ 54.684610][ T4224] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.686294][ T4224] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.688314][ T4224] device bridge_slave_0 entered promiscuous mode [ 54.692384][ T4224] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.693995][ T4224] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.696187][ T4224] device bridge_slave_1 entered promiscuous mode [ 54.708904][ T4224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.712699][ T4224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.727403][ T4224] team0: Port device team_slave_0 added [ 54.730261][ T4224] team0: Port device team_slave_1 added [ 54.741312][ T4224] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 54.742913][ T4224] 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. [ 54.748162][ T4224] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 54.752994][ T4224] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 54.754454][ T4224] 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. [ 54.760107][ T4224] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 54.831292][ T4224] device hsr_slave_0 entered promiscuous mode [ 54.869404][ T4224] device hsr_slave_1 entered promiscuous mode [ 54.974125][ T4224] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.021520][ T4224] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.070951][ T4224] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.121777][ T4224] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.176104][ T4224] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.177853][ T4224] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.179808][ T4224] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.181474][ T4224] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.217530][ T4224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.226658][ T4224] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.230053][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.233438][ T1509] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.236127][ T1509] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.238602][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 55.245445][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.247753][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.249490][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.259694][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.261781][ T1509] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.263363][ T1509] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.269221][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.272248][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.281826][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.284162][ T3802] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.288765][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.292737][ T4224] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.303179][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.305036][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.313240][ T4224] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.325260][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 55.336991][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 55.340451][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 55.342851][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 55.346712][ T4224] device veth0_vlan entered promiscuous mode [ 55.352736][ T4224] device veth1_vlan entered promiscuous mode [ 55.364990][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 55.367093][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 55.369630][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 55.373638][ T4224] device veth0_macvtap entered promiscuous mode [ 55.377631][ T4224] device veth1_macvtap entered promiscuous mode [ 55.389504][ T4224] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.391243][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 55.394552][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 55.398950][ T4224] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.405092][ T1509] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 55.408225][ T4224] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.410340][ T4224] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.412221][ T4224] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.414004][ T4224] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 55.476192][ C0] hrtimer: interrupt took 34688440 ns [ 69.652720][ T22] cfg80211: failed to load regulatory.db [ 85.551200][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:0] [ 85.553505][ C0] Modules linked in: [ 85.554340][ C0] irq event stamp: 127458 [ 85.555379][ C0] hardirqs last enabled at (127457): [] default_idle_call+0x54/0xdc [ 85.557477][ C0] hardirqs last disabled at (127458): [] el1_interrupt+0x24/0x68 [ 85.559392][ C0] softirqs last enabled at (127386): [] __do_softirq+0xc14/0xea0 [ 85.561461][ C0] softirqs last disabled at (126693): [] ____do_softirq+0x14/0x20 [ 85.563442][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.33-syzkaller #0 [ 85.565029][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 85.567149][ C0] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 85.568909][ C0] pc : arch_local_irq_enable+0xc/0x18 [ 85.570064][ C0] lr : arch_cpu_idle+0x14/0x20 [ 85.571116][ C0] sp : ffff800015537cd0 [ 85.572063][ C0] x29: ffff800015537cd0 x28: 0000000000000000 x27: 1ffff00002ab7a6c [ 85.573764][ C0] x26: 0000000000000000 x25: 1ffff00002ab7aa9 x24: 1ffff00002abca08 [ 85.575496][ C0] x23: dfff800000000000 x22: ffff8000155bd360 x21: ffff8000155e5040 [ 85.577329][ C0] x20: 0000000000000000 x19: ffff8000155e5040 x18: 1fffe000368b5f76 [ 85.579119][ C0] x17: ffff8000155bd000 x16: ffff800008065570 x15: ffff0001b45afbbc [ 85.580862][ C0] x14: 1ffff00002ab80b0 x13: dfff800000000000 x12: 0000000000000003 [ 85.582583][ C0] x11: ff8080000aac42e8 x10: 0000000000000003 x9 : 0000000000000000 [ 85.584396][ C0] x8 : 00000000000000e0 x7 : ffff800008436e44 x6 : 0000000000000000 [ 85.586129][ C0] x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff800012102474 [ 85.587888][ C0] x2 : 0000000000000001 x1 : ffff80001225c340 x0 : ffff80019f09e000 [ 85.589619][ C0] Call trace: [ 85.590347][ C0] arch_local_irq_enable+0xc/0x18 [ 85.591417][ C0] default_idle_call+0x68/0xdc [ 85.592480][ C0] do_idle+0x1e0/0x514 [ 85.593341][ C0] cpu_startup_entry+0x24/0x28 [ 85.594419][ C0] rest_init+0x2d8/0x2f0 [ 85.595347][ C0] start_kernel+0x0/0x60c [ 85.596243][ C0] start_kernel+0x44c/0x60c [ 85.597249][ C0] __primary_switched+0xb8/0xc0 [ 85.598266][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 85.599768][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 6.1.33-syzkaller #0 [ 85.601836][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 85.604052][ C0] Call trace: [ 85.604761][ C0] dump_backtrace+0x1c8/0x1f4 [ 85.605761][ C0] show_stack+0x2c/0x3c [ 85.606705][ C0] dump_stack_lvl+0x108/0x170 [ 85.607791][ C0] dump_stack+0x1c/0x58 [ 85.608681][ C0] panic+0x300/0x7fc [ 85.609559][ C0] softlockup_fn+0x0/0x120 [ 85.610569][ C0] __hrtimer_run_queues+0x484/0xdc0 [ 85.611735][ C0] hrtimer_interrupt+0x4e0/0xb64 [ 85.612889][ C0] arch_timer_handler_virt+0x74/0x88 [ 85.614021][ C0] handle_percpu_devid_irq+0x174/0x354 [ 85.615177][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 85.616430][ C0] gic_handle_irq+0x70/0x1e4 [ 85.617502][ C0] call_on_irq_stack+0x24/0x4c [ 85.618653][ C0] do_interrupt_handler+0xd4/0x138 [ 85.619670][ C0] el1_interrupt+0x34/0x68 [ 85.620602][ C0] el1h_64_irq_handler+0x18/0x24 [ 85.621694][ C0] el1h_64_irq+0x64/0x68 [ 85.622662][ C0] arch_local_irq_enable+0xc/0x18 [ 85.623816][ C0] default_idle_call+0x68/0xdc [ 85.624865][ C0] do_idle+0x1e0/0x514 [ 85.625734][ C0] cpu_startup_entry+0x24/0x28 [ 85.626843][ C0] rest_init+0x2d8/0x2f0 [ 85.627834][ C0] start_kernel+0x0/0x60c [ 85.628761][ C0] start_kernel+0x44c/0x60c [ 85.629718][ C0] __primary_switched+0xb8/0xc0 [ 85.630834][ C0] SMP: stopping secondary CPUs [ 85.631800][ C0] Kernel Offset: disabled [ 85.632870][ C0] CPU features: 0x00000,02070084,26017203 [ 85.634141][ C0] Memory Limit: none [ 85.648011][ C0] [ 85.648623][ C0] ================================ [ 85.649636][ C0] WARNING: inconsistent lock state [ 85.650749][ C0] 6.1.33-syzkaller #0 Tainted: G L [ 85.652150][ C0] -------------------------------- [ 85.653241][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 85.654823][ C0] swapper/0/0 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 85.656084][ C0] ffff800015600e78 (efi_rt_lock){?...}-{2:2}, at: virt_efi_set_variable_nonblocking+0x74/0x16c [ 85.658421][ C0] {HARDIRQ-ON-W} state was registered at: [ 85.659710][ C0] lock_acquire+0x26c/0x7cc [ 85.660698][ C0] _raw_spin_lock+0x54/0x6c [ 85.661721][ C0] efi_call_rts+0x80/0x9d8 [ 85.662662][ C0] process_one_work+0x7ac/0x1404 [ 85.663832][ C0] worker_thread+0x8e4/0xfec [ 85.664775][ C0] kthread+0x250/0x2d8 [ 85.665503][ C0] ret_from_fork+0x10/0x20 [ 85.666497][ C0] irq event stamp: 127458 [ 85.667402][ C0] hardirqs last enabled at (127457): [] default_idle_call+0x54/0xdc [ 85.669675][ C0] hardirqs last disabled at (127458): [] el1_interrupt+0x24/0x68 [ 85.671595][ C0] softirqs last enabled at (127386): [] __do_softirq+0xc14/0xea0 [ 85.673607][ C0] softirqs last disabled at (126693): [] ____do_softirq+0x14/0x20 [ 85.675872][ C0] [ 85.675872][ C0] other info that might help us debug this: [ 85.677597][ C0] Possible unsafe locking scenario: [ 85.677597][ C0] [ 85.679154][ C0] CPU0 [ 85.679884][ C0] ---- [ 85.680597][ C0] lock(efi_rt_lock); [ 85.681448][ C0] [ 85.682126][ C0] lock(efi_rt_lock); [ 85.683145][ C0] [ 85.683145][ C0] *** DEADLOCK *** [ 85.683145][ C0] [ 85.684876][ C0] 2 locks held by swapper/0/0: [ 85.685865][ C0] #0: ffff800015794c20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 85.687924][ C0] #1: ffff8000175dc928 (&psinfo->buf_lock){....}-{2:2}, at: pstore_dump+0x184/0x9f4 [ 85.690146][ C0] [ 85.690146][ C0] stack backtrace: [ 85.691420][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 6.1.33-syzkaller #0 [ 85.693478][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 85.695668][ C0] Call trace: [ 85.696379][ C0] dump_backtrace+0x1c8/0x1f4 [ 85.697549][ C0] show_stack+0x2c/0x3c [ 85.698419][ C0] dump_stack_lvl+0x108/0x170 [ 85.699400][ C0] dump_stack+0x1c/0x58 [ 85.700337][ C0] print_usage_bug+0x654/0x9b0 [ 85.701346][ C0] mark_lock_irq+0x980/0xd2c [ 85.702348][ C0] mark_lock+0x258/0x360 [ 85.703221][ C0] __lock_acquire+0xb4c/0x764c [ 85.704363][ C0] lock_acquire+0x26c/0x7cc [ 85.705339][ C0] _raw_spin_lock+0x54/0x6c [ 85.706315][ C0] virt_efi_set_variable_nonblocking+0x74/0x16c [ 85.707769][ C0] efivar_set_variable_locked+0x1e4/0x20c [ 85.709027][ C0] efi_pstore_write+0x424/0x64c [ 85.710181][ C0] pstore_dump+0x6c0/0x9f4 [ 85.711176][ C0] kmsg_dump+0x17c/0x26c [ 85.712097][ C0] panic+0x348/0x7fc [ 85.712899][ C0] softlockup_fn+0x0/0x120 [ 85.713908][ C0] __hrtimer_run_queues+0x484/0xdc0 [ 85.714977][ C0] hrtimer_interrupt+0x4e0/0xb64 [ 85.716236][ C0] arch_timer_handler_virt+0x74/0x88 [ 85.717321][ C0] handle_percpu_devid_irq+0x174/0x354 [ 85.718571][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 85.719728][ C0] gic_handle_irq+0x70/0x1e4 [ 85.720754][ C0] call_on_irq_stack+0x24/0x4c [ 85.721799][ C0] do_interrupt_handler+0xd4/0x138 [ 85.723004][ C0] el1_interrupt+0x34/0x68 [ 85.723994][ C0] el1h_64_irq_handler+0x18/0x24 [ 85.725098][ C0] el1h_64_irq+0x64/0x68 [ 85.725995][ C0] arch_local_irq_enable+0xc/0x18 [ 85.727047][ C0] default_idle_call+0x68/0xdc [ 85.728120][ C0] do_idle+0x1e0/0x514 [ 85.728986][ C0] cpu_startup_entry+0x24/0x28 [ 85.730207][ C0] rest_init+0x2d8/0x2f0 [ 85.731391][ C0] start_kernel+0x0/0x60c [ 85.732488][ C0] start_kernel+0x44c/0x60c [ 85.733443][ C0] __primary_switched+0xb8/0xc0 [ 86.065359][ C0] Rebooting in 86400 seconds..