[ 15.704327][ T5642] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.709117][ T5642] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.757313][ T422] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.762519][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.75' (ECDSA) to the list of known hosts. syzkaller login: [ 41.352154][ T5967] chnl_net:caif_netlink_parms(): no params data found [ 41.381703][ T5967] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.383992][ T5967] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.386052][ T5967] bridge_slave_0: entered allmulticast mode [ 41.388105][ T5967] bridge_slave_0: entered promiscuous mode [ 41.391718][ T5967] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.393690][ T5967] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.395642][ T5967] bridge_slave_1: entered allmulticast mode [ 41.397609][ T5967] bridge_slave_1: entered promiscuous mode [ 41.410247][ T5967] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.414217][ T5967] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.427852][ T5967] team0: Port device team_slave_0 added [ 41.431378][ T5967] team0: Port device team_slave_1 added [ 41.443084][ T5967] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.444938][ T5967] 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. [ 41.451942][ T5967] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.456308][ T5967] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.458163][ T5967] 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. [ 41.466084][ T5967] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.521143][ T5967] hsr_slave_0: entered promiscuous mode [ 41.559652][ T5967] hsr_slave_1: entered promiscuous mode [ 41.665900][ T5967] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.701495][ T5967] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.742185][ T5967] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.781370][ T5967] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 41.832932][ T5967] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.835064][ T5967] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.837148][ T5967] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.839146][ T5967] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.869089][ T5967] 8021q: adding VLAN 0 to HW filter on device bond0 [ 41.878403][ T5975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 41.882891][ T5975] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.886149][ T5975] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.889009][ T5975] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 41.896805][ T5967] 8021q: adding VLAN 0 to HW filter on device team0 [ 41.911154][ T5975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 41.913769][ T5975] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.915787][ T5975] bridge0: port 1(bridge_slave_0) entered forwarding state [ 41.918084][ T5975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 41.921107][ T5975] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.923013][ T5975] bridge0: port 2(bridge_slave_1) entered forwarding state [ 41.925773][ T5975] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 41.928878][ T5975] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 41.933463][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 41.941610][ T5967] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 41.944339][ T5967] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 41.951552][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 41.954313][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 41.957244][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 41.963452][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 41.965453][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 41.972191][ T5967] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 41.983088][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 41.994216][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 41.996702][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 41.998978][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.003689][ T5967] veth0_vlan: entered promiscuous mode [ 42.010255][ T5967] veth1_vlan: entered promiscuous mode [ 42.021344][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.023536][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.026288][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.031820][ T5967] veth0_macvtap: entered promiscuous mode [ 42.036240][ T5967] veth1_macvtap: entered promiscuous mode [ 42.046276][ T5967] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.048330][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.053576][ T1601] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.058470][ T5967] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.061309][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.065846][ T5967] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.068246][ T5967] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.070756][ T5967] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.073009][ T5967] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 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 [ 72.139329][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [swapper/0:0] [ 72.142089][ C0] Modules linked in: [ 72.143134][ C0] irq event stamp: 185875 [ 72.144288][ C0] hardirqs last enabled at (185874): [] el1_interrupt+0x58/0x68 [ 72.146738][ C0] hardirqs last disabled at (185875): [] el1_interrupt+0x24/0x68 [ 72.149279][ C0] softirqs last enabled at (180396): [] __do_softirq+0xac0/0xd54 [ 72.151868][ C0] softirqs last disabled at (180517): [] ____do_softirq+0x14/0x20 [ 72.154401][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 72.156862][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.159526][ C0] pstate: 20400005 (nzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 72.161648][ C0] pc : __sanitizer_cov_trace_const_cmp4+0x14/0x98 [ 72.163398][ C0] lr : fq_pie_qdisc_dequeue+0x120/0x8ac [ 72.164909][ C0] sp : ffff800008007200 [ 72.165980][ C0] x29: ffff800008007280 x28: ffff0000d6519dc0 x27: ffff0000c9bd4ae8 [ 72.168131][ C0] x26: ffff0000c9bd4af0 x25: dfff800000000000 x24: ffff0000c9bd4ae0 [ 72.170248][ C0] x23: ffff0000d6519db0 x22: 0000000000000040 x21: 1fffe0001aca33b6 [ 72.172329][ C0] x20: ffff0000c9bd4ae0 x19: 0000000000000000 x18: ffff800008006e60 [ 72.174451][ C0] x17: 0000000000000000 x16: ffff80000850b36c x15: 0000000000000302 [ 72.176576][ C0] x14: 0000000000000100 x13: 0000000000000000 x12: 0000000000000001 [ 72.178748][ C0] x11: 0000000000000302 x10: 0000000000000100 x9 : 0000000000000302 [ 72.179329][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [swapper/1:0] [ 72.180879][ C0] x8 : ffff800015ee4dc0 [ 72.183424][ C1] Modules linked in: [ 72.183436][ C1] irq event stamp: 156799 [ 72.184525][ C0] x7 : ffff80000841c468 [ 72.185570][ C1] hardirqs last enabled at (156798): [] el1_interrupt+0x58/0x68 [ 72.186712][ C0] x6 : 0000000000000000 [ 72.187883][ C1] hardirqs last disabled at (156799): [] el1_interrupt+0x24/0x68 [ 72.190466][ C0] [ 72.191618][ C1] softirqs last enabled at (151548): [] __do_softirq+0xac0/0xd54 [ 72.194096][ C0] x5 : 0000000000000001 [ 72.194695][ C1] softirqs last disabled at (151555): [] ____do_softirq+0x14/0x20 [ 72.197155][ C0] x4 : 0000000000000001 [ 72.198250][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 72.200779][ C0] x3 : 0000000000000000 [ 72.201938][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.204393][ C0] [ 72.205481][ C1] pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 72.208130][ C0] x2 : ffff0000c9bd4ae0 [ 72.208739][ C1] pc : queued_spin_lock_slowpath+0x15c/0xcf8 [ 72.210841][ C0] x1 : 0000000000000000 [ 72.211951][ C1] lr : queued_spin_lock_slowpath+0x168/0xcf8 [ 72.213512][ C0] x0 : 0000000000000001 [ 72.214632][ C1] sp : ffff8000080179c0 [ 72.216190][ C0] [ 72.216197][ C0] Call trace: [ 72.217043][ C1] x29: ffff800008017a60 [ 72.218292][ C0] __sanitizer_cov_trace_const_cmp4+0x14/0x98 [ 72.218910][ C1] x28: 1fffe0001937a91e [ 72.219768][ C0] __qdisc_run+0x1fc/0x231c [ 72.220861][ C1] x27: 1ffff00001002f44 [ 72.222421][ C0] __dev_queue_xmit+0xc80/0x3318 [ 72.223558][ C1] [ 72.224760][ C0] neigh_connected_output+0x2f8/0x38c [ 72.225913][ C1] x26: dfff800000000000 [ 72.227269][ C0] ip6_finish_output2+0xd60/0x1a1c [ 72.227901][ C1] x25: 1fffe0001937a920 [ 72.229286][ C0] ip6_finish_output+0x538/0x8c8 [ 72.230400][ C1] x24: ffff8000080179e0 [ 72.231723][ C0] ip6_output+0x270/0x594 [ 72.232867][ C1] [ 72.234118][ C0] ndisc_send_skb+0xc30/0x1790 [ 72.235235][ C1] x23: ffff800008017a20 [ 72.236346][ C0] ndisc_send_rs+0x47c/0x5d4 [ 72.236949][ C1] x22: ffff700001002f3c [ 72.238182][ C0] addrconf_rs_timer+0x300/0x58c [ 72.239260][ C1] x21: 0000000000000001 [ 72.240501][ C0] call_timer_fn+0x19c/0x8cc [ 72.241639][ C1] [ 72.242970][ C0] __run_timers+0x55c/0x734 [ 72.244116][ C1] x20: 0000000000000001 [ 72.245324][ C0] run_timer_softirq+0x7c/0x114 [ 72.245930][ C1] x19: ffff0000c9bd48f0 [ 72.247114][ C0] __do_softirq+0x2d0/0xd54 [ 72.248242][ C1] x18: ffff8000080178a0 [ 72.249510][ C0] ____do_softirq+0x14/0x20 [ 72.250612][ C1] [ 72.251804][ C0] call_on_irq_stack+0x24/0x4c [ 72.252924][ C1] x17: ffff80019e43a000 [ 72.254113][ C0] do_softirq_own_stack+0x20/0x2c [ 72.254716][ C1] x16: ffff800008997754 [ 72.255994][ C0] __irq_exit_rcu+0x28c/0x534 [ 72.257091][ C1] x15: 000000000000e9c6 [ 72.258399][ C0] irq_exit_rcu+0x14/0x84 [ 72.259504][ C1] [ 72.260764][ C0] el1_interrupt+0x38/0x68 [ 72.261876][ C1] x14: 00000000884a85a8 [ 72.263009][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.263614][ C1] x13: dfff800000000000 [ 72.264791][ C0] el1h_64_irq+0x64/0x68 [ 72.265868][ C1] x12: 0000000000000001 [ 72.267207][ C0] arch_local_irq_enable+0x8/0xc [ 72.268325][ C1] [ 72.269483][ C0] do_idle+0x1f0/0x4e8 [ 72.270586][ C1] x11: 1fffe0001937a91e [ 72.271933][ C0] cpu_startup_entry+0x24/0x28 [ 72.272527][ C1] x10: 0000000000000000 [ 72.273630][ C0] rest_init+0x2dc/0x2f4 [ 72.274780][ C1] x9 : 0000000000000000 [ 72.276097][ C0] start_kernel+0x0/0x55c [ 72.277224][ C1] [ 72.277231][ C1] x8 : 0000000000000001 [ 72.278286][ C0] start_kernel+0x3f0/0x55c [ 72.279450][ C1] x7 : 0000000000000000 [ 72.280562][ C0] __primary_switched+0xb8/0xc0 [ 72.281158][ C1] x6 : 0000000000000000 [ 72.282289][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 72.282299][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 72.282312][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.282319][ C0] Call trace: [ 72.282323][ C0] dump_backtrace+0x1b8/0x1e4 [ 72.282335][ C0] show_stack+0x2c/0x44 [ 72.282343][ C0] dump_stack_lvl+0xd0/0x124 [ 72.282355][ C0] dump_stack+0x1c/0x28 [ 72.282364][ C0] panic+0x2d0/0x7b4 [ 72.282376][ C0] softlockup_fn+0x0/0x120 [ 72.282386][ C0] __hrtimer_run_queues+0x458/0xca0 [ 72.282397][ C0] hrtimer_interrupt+0x2c0/0xb64 [ 72.282407][ C0] arch_timer_handler_virt+0x74/0x88 [ 72.282420][ C0] handle_percpu_devid_irq+0x2a4/0x804 [ 72.282432][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 72.282440][ C0] gic_handle_irq+0x70/0x1e4 [ 72.282452][ C0] do_interrupt_handler+0xe0/0x138 [ 72.282463][ C0] el1_interrupt+0x34/0x68 [ 72.282473][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.282483][ C0] el1h_64_irq+0x64/0x68 [ 72.282491][ C0] __sanitizer_cov_trace_const_cmp4+0x14/0x98 [ 72.282501][ C0] __qdisc_run+0x1fc/0x231c [ 72.282512][ C0] __dev_queue_xmit+0xc80/0x3318 [ 72.282522][ C0] neigh_connected_output+0x2f8/0x38c [ 72.282531][ C0] ip6_finish_output2+0xd60/0x1a1c [ 72.282543][ C0] ip6_finish_output+0x538/0x8c8 [ 72.282552][ C0] ip6_output+0x270/0x594 [ 72.282561][ C0] ndisc_send_skb+0xc30/0x1790 [ 72.282570][ C0] ndisc_send_rs+0x47c/0x5d4 [ 72.282579][ C0] addrconf_rs_timer+0x300/0x58c [ 72.282591][ C0] call_timer_fn+0x19c/0x8cc [ 72.282600][ C0] __run_timers+0x55c/0x734 [ 72.282608][ C0] run_timer_softirq+0x7c/0x114 [ 72.282617][ C0] __do_softirq+0x2d0/0xd54 [ 72.282625][ C0] ____do_softirq+0x14/0x20 [ 72.282635][ C0] call_on_irq_stack+0x24/0x4c [ 72.282645][ C0] do_softirq_own_stack+0x20/0x2c [ 72.282654][ C0] __irq_exit_rcu+0x28c/0x534 [ 72.282665][ C0] irq_exit_rcu+0x14/0x84 [ 72.282674][ C0] el1_interrupt+0x38/0x68 [ 72.282684][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.282694][ C0] el1h_64_irq+0x64/0x68 [ 72.282702][ C0] arch_local_irq_enable+0x8/0xc [ 72.282713][ C0] do_idle+0x1f0/0x4e8 [ 72.282734][ C0] cpu_startup_entry+0x24/0x28 [ 72.282746][ C0] rest_init+0x2dc/0x2f4 [ 72.282758][ C0] start_kernel+0x0/0x55c [ 72.282766][ C0] start_kernel+0x3f0/0x55c [ 72.282774][ C0] __primary_switched+0xb8/0xc0 [ 72.282787][ C0] SMP: stopping secondary CPUs [ 72.283496][ C1] [ 72.284663][ C1] x5 : ffff8000193e62d8 x4 : 0000000000000008 x3 : ffff80001251a6fc [ 72.291954][ C1] x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000001 [ 72.298053][ C1] Call trace: [ 72.299315][ C1] queued_spin_lock_slowpath+0x15c/0xcf8 [ 72.300453][ C1] do_raw_spin_lock+0x320/0x348 [ 72.301522][ C1] _raw_spin_lock+0x50/0x60 [ 72.302719][ C1] fq_pie_timer+0x94/0x248 [ 72.304173][ C1] call_timer_fn+0x19c/0x8cc [ 72.305574][ C1] __run_timers+0x55c/0x734 [ 72.307029][ C1] run_timer_softirq+0x7c/0x114 [ 72.308563][ C1] __do_softirq+0x2d0/0xd54 [ 72.310032][ C1] ____do_softirq+0x14/0x20 [ 72.311299][ C1] call_on_irq_stack+0x24/0x4c [ 72.312757][ C1] do_softirq_own_stack+0x20/0x2c [ 72.314099][ C1] __irq_exit_rcu+0x28c/0x534 [ 72.315456][ C1] irq_exit_rcu+0x14/0x84 [ 72.316622][ C1] el1_interrupt+0x38/0x68 [ 72.318294][ C1] el1h_64_irq_handler+0x18/0x24 [ 72.319523][ C1] el1h_64_irq+0x64/0x68 [ 72.320912][ C1] arch_local_irq_enable+0x8/0xc [ 72.322384][ C1] do_idle+0x1f0/0x4e8 [ 72.323743][ C1] cpu_startup_entry+0x24/0x28 [ 72.325095][ C1] secondary_start_kernel+0x19c/0x1c4 [ 72.326292][ C1] __secondary_switched+0xb8/0xbc [ 72.327629][ C0] Kernel Offset: disabled [ 72.388237][ C0] CPU features: 0x000000,40e00804,64017203 [ 72.389784][ C0] Memory Limit: none [ 72.405232][ C0] [ 72.405865][ C0] ================================ [ 72.407245][ C0] WARNING: inconsistent lock state [ 72.408604][ C0] 6.4.0-rc3-syzkaller-geb0f1697d729 #0 Tainted: G L [ 72.410614][ C0] -------------------------------- [ 72.411958][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 72.413756][ C0] swapper/0/0 [HC1[1]:SC1[3]:HE0:SE0] takes: [ 72.415349][ C0] ffff800015ef9098 (efi_rt_lock){?...}-{2:2}, at: virt_efi_set_variable_nonblocking+0x74/0x16c [ 72.418152][ C0] {HARDIRQ-ON-W} state was registered at: [ 72.419712][ C0] lock_acquire+0x23c/0x71c [ 72.421012][ C0] _raw_spin_lock+0x48/0x60 [ 72.422196][ C0] efi_call_rts+0x280/0x9d8 [ 72.423443][ C0] process_one_work+0x788/0x12d4 [ 72.424834][ C0] worker_thread+0x8e0/0xfe8 [ 72.426070][ C0] kthread+0x288/0x310 [ 72.427175][ C0] ret_from_fork+0x10/0x20 [ 72.428475][ C0] irq event stamp: 185875 [ 72.429665][ C0] hardirqs last enabled at (185874): [] el1_interrupt+0x58/0x68 [ 72.432248][ C0] hardirqs last disabled at (185875): [] el1_interrupt+0x24/0x68 [ 72.434777][ C0] softirqs last enabled at (180396): [] __do_softirq+0xac0/0xd54 [ 72.437278][ C0] softirqs last disabled at (180517): [] ____do_softirq+0x14/0x20 [ 72.439848][ C0] [ 72.439848][ C0] other info that might help us debug this: [ 72.442055][ C0] Possible unsafe locking scenario: [ 72.442055][ C0] [ 72.444040][ C0] CPU0 [ 72.444896][ C0] ---- [ 72.445776][ C0] lock(efi_rt_lock); [ 72.446851][ C0] [ 72.447762][ C0] lock(efi_rt_lock); [ 72.448890][ C0] [ 72.448890][ C0] *** DEADLOCK *** [ 72.448890][ C0] [ 72.451094][ C0] 7 locks held by swapper/0/0: [ 72.452385][ C0] #0: ffff800008007c80 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd0/0x8cc [ 72.454936][ C0] #1: ffff800016090e80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 72.457489][ C0] #2: ffff800016090e80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 72.459976][ C0] #3: ffff800016090ee0 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 72.462553][ C0] #4: ffff0000c9bd4908 (&sch->q.lock){+.-.}-{2:2}, at: __dev_queue_xmit+0x9b4/0x3318 [ 72.465094][ C0] #5: ffff800016090e80 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 72.467496][ C0] #6: ffff80001811e5a8 (&psinfo->buf_lock){....}-{2:2}, at: pstore_dump+0x17c/0xa2c [ 72.470009][ C0] [ 72.470009][ C0] stack backtrace: [ 72.471571][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 6.4.0-rc3-syzkaller-geb0f1697d729 #0 [ 72.474367][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.477028][ C0] Call trace: [ 72.477877][ C0] dump_backtrace+0x1b8/0x1e4 [ 72.479038][ C0] show_stack+0x2c/0x44 [ 72.480143][ C0] dump_stack_lvl+0xd0/0x124 [ 72.481386][ C0] dump_stack+0x1c/0x28 [ 72.482496][ C0] print_usage_bug+0x654/0x9b0 [ 72.483721][ C0] mark_lock_irq+0x980/0xd2c [ 72.484937][ C0] mark_lock+0x258/0x360 [ 72.486038][ C0] __lock_acquire+0xb70/0x75f0 [ 72.487236][ C0] lock_acquire+0x23c/0x71c [ 72.488413][ C0] _raw_spin_lock+0x48/0x60 [ 72.489602][ C0] virt_efi_set_variable_nonblocking+0x74/0x16c [ 72.491215][ C0] efivar_set_variable_locked+0x1e4/0x20c [ 72.492686][ C0] efi_pstore_write+0x424/0x64c [ 72.493965][ C0] pstore_dump+0x64c/0xa2c [ 72.495174][ C0] kmsg_dump+0x184/0x27c [ 72.496281][ C0] panic+0x318/0x7b4 [ 72.497301][ C0] softlockup_fn+0x0/0x120 [ 72.498503][ C0] __hrtimer_run_queues+0x458/0xca0 [ 72.499908][ C0] hrtimer_interrupt+0x2c0/0xb64 [ 72.501199][ C0] arch_timer_handler_virt+0x74/0x88 [ 72.502561][ C0] handle_percpu_devid_irq+0x2a4/0x804 [ 72.503988][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 72.505320][ C0] gic_handle_irq+0x70/0x1e4 [ 72.506487][ C0] do_interrupt_handler+0xe0/0x138 [ 72.507871][ C0] el1_interrupt+0x34/0x68 [ 72.509039][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.510248][ C0] el1h_64_irq+0x64/0x68 [ 72.511364][ C0] __sanitizer_cov_trace_const_cmp4+0x14/0x98 [ 72.512924][ C0] __qdisc_run+0x1fc/0x231c [ 72.514210][ C0] __dev_queue_xmit+0xc80/0x3318 [ 72.515498][ C0] neigh_connected_output+0x2f8/0x38c [ 72.516908][ C0] ip6_finish_output2+0xd60/0x1a1c [ 72.518256][ C0] ip6_finish_output+0x538/0x8c8 [ 72.519599][ C0] ip6_output+0x270/0x594 [ 72.520774][ C0] ndisc_send_skb+0xc30/0x1790 [ 72.522052][ C0] ndisc_send_rs+0x47c/0x5d4 [ 72.523306][ C0] addrconf_rs_timer+0x300/0x58c [ 72.524642][ C0] call_timer_fn+0x19c/0x8cc [ 72.525875][ C0] __run_timers+0x55c/0x734 [ 72.527070][ C0] run_timer_softirq+0x7c/0x114 [ 72.528282][ C0] __do_softirq+0x2d0/0xd54 [ 72.529471][ C0] ____do_softirq+0x14/0x20 [ 72.530781][ C0] call_on_irq_stack+0x24/0x4c [ 72.532045][ C0] do_softirq_own_stack+0x20/0x2c [ 72.533389][ C0] __irq_exit_rcu+0x28c/0x534 [ 72.534608][ C0] irq_exit_rcu+0x14/0x84 [ 72.535929][ C0] el1_interrupt+0x38/0x68 [ 72.537128][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.538470][ C0] el1h_64_irq+0x64/0x68 [ 72.539568][ C0] arch_local_irq_enable+0x8/0xc [ 72.540874][ C0] do_idle+0x1f0/0x4e8 [ 72.541883][ C0] cpu_startup_entry+0x24/0x28 [ 72.543154][ C0] rest_init+0x2dc/0x2f4 [ 72.544294][ C0] start_kernel+0x0/0x55c [ 72.545403][ C0] start_kernel+0x3f0/0x55c [ 72.546546][ C0] __primary_switched+0xb8/0xc0 [ 72.880787][ C0] Rebooting in 86400 seconds..