[ 15.319795][ T3892] 8021q: adding VLAN 0 to HW filter on device bond0 [ 15.322970][ T3892] eql: remember to turn off Van-Jacobson compression on your slave devices [ 15.365594][ T9] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 15.369451][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. syzkaller login: [ 41.527335][ T4217] chnl_net:caif_netlink_parms(): no params data found [ 41.559662][ T4217] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.561495][ T4217] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.563835][ T4217] device bridge_slave_0 entered promiscuous mode [ 41.567535][ T4217] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.569273][ T4217] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.571505][ T4217] device bridge_slave_1 entered promiscuous mode [ 41.584643][ T4217] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 41.589328][ T4217] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 41.603115][ T4217] team0: Port device team_slave_0 added [ 41.605990][ T4217] team0: Port device team_slave_1 added [ 41.619063][ T4217] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 41.620781][ T4217] 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. [ 41.627083][ T4217] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 41.631261][ T4217] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 41.633023][ T4217] 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. [ 41.639538][ T4217] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 41.718197][ T4217] device hsr_slave_0 entered promiscuous mode [ 41.756443][ T4217] device hsr_slave_1 entered promiscuous mode [ 41.858961][ T4217] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 41.899369][ T4217] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 41.938367][ T4217] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 41.978111][ T4217] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 42.031466][ T4217] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.033366][ T4217] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.035430][ T4217] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.037338][ T4217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.073477][ T4217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.081792][ T3801] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 42.085434][ T3801] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.089130][ T3801] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.091777][ T3801] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 42.098093][ T4217] 8021q: adding VLAN 0 to HW filter on device team0 [ 42.103389][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 42.105647][ T24] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.107619][ T24] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.112751][ T3801] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 42.115106][ T3801] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.116900][ T3801] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.128971][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 42.131515][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 42.137936][ T3801] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 42.147718][ T3801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 42.150002][ T3801] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 42.154557][ T4217] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 42.168180][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 42.169991][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 42.174868][ T4217] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 42.188433][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 42.199402][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 42.201870][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 42.204071][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 42.209451][ T4217] device veth0_vlan entered promiscuous mode [ 42.214822][ T4217] device veth1_vlan entered promiscuous mode [ 42.227313][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 42.229537][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 42.231937][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 42.237360][ T4217] device veth0_macvtap entered promiscuous mode [ 42.241140][ T4217] device veth1_macvtap entered promiscuous mode [ 42.251196][ T4217] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 42.253176][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 42.256129][ T24] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 42.262266][ T4217] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 42.265115][ T3801] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 42.270261][ T4217] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.272442][ T4217] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.274624][ T4217] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 42.277991][ T4217] 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 executing program executing program [ 72.156195][ C0] watchdog: BUG: soft lockup - CPU#0 stuck for 26s! [swapper/0:0] [ 72.159017][ C0] Modules linked in: [ 72.160062][ C0] irq event stamp: 169631 [ 72.161137][ C0] hardirqs last enabled at (169630): [] el1_interrupt+0x58/0x68 [ 72.163314][ C0] hardirqs last disabled at (169631): [] el1_interrupt+0x24/0x68 [ 72.165724][ C0] softirqs last enabled at (164268): [] __do_softirq+0xc14/0xea0 [ 72.168240][ C0] softirqs last disabled at (164323): [] ____do_softirq+0x14/0x20 [ 72.170670][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.31-syzkaller #0 [ 72.172557][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.175109][ C0] pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 72.177129][ C0] pc : fq_pie_qdisc_dequeue+0x3ac/0x8ac [ 72.178603][ C0] lr : fq_pie_qdisc_dequeue+0x290/0x8ac [ 72.180061][ C0] sp : ffff8000080071e0 [ 72.181058][ C0] x29: ffff800008007250 x28: ffff0000dc5d3a00 x27: ffff0000d9c9bae8 [ 72.183045][ C0] x26: ffff0000d9c9baf0 x25: dfff800000000000 x24: ffff0000d9c9bae0 [ 72.185153][ C0] x23: ffff0000dc5d39f0 x22: 0000000000000040 x21: ffff0000d9c9bae0 [ 72.187193][ C0] x20: ffff0000d9c9bae8 x19: ffff0000d9c9bae0 x18: ffff800008006ea0 [ 72.189357][ C0] x17: 0000000000000000 x16: ffff8000084fa384 x15: 0000000000000100 [ 72.191397][ C0] x14: 0000000000000000 x13: 0000000000000001 x12: ffff8000155e5040 [ 72.193509][ C0] x11: ff8080001071078c x10: 0000000000000000 x9 : ffff80001071078c [ 72.195553][ C0] x8 : 0000000000000000 x7 : ffff80000840686c x6 : 0000000000000000 [ 72.197586][ C0] x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 [ 72.199592][ C0] x2 : ffff0000dc5d3a00 x1 : 0000000000000000 x0 : ffff0000dc5d3a08 [ 72.201727][ C0] Call trace: [ 72.202478][ C0] fq_pie_qdisc_dequeue+0x3ac/0x8ac [ 72.203794][ C0] __qdisc_run+0x204/0x239c [ 72.204971][ C0] __dev_queue_xmit+0xe14/0x38d8 [ 72.206194][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 26s! [swapper/1:0] [ 72.208630][ C0] neigh_connected_output+0x2f8/0x38c [ 72.208641][ C1] Modules linked in: [ 72.208646][ C1] [ 72.208652][ C0] ip6_finish_output2+0xdb4/0x1a98 [ 72.210058][ C1] irq event stamp: 174525 [ 72.211002][ C0] ip6_finish_output+0x538/0x8c8 [ 72.211592][ C1] hardirqs last enabled at (174524): [] el1_interrupt+0x58/0x68 [ 72.212828][ C0] ip6_output+0x270/0x594 [ 72.213835][ C1] hardirqs last disabled at (174525): [] el1_interrupt+0x24/0x68 [ 72.215103][ C0] ndisc_send_skb+0xc30/0x1790 [ 72.217430][ C1] softirqs last enabled at (169286): [] __do_softirq+0xc14/0xea0 [ 72.218501][ C0] ndisc_send_rs+0x47c/0x5d4 [ 72.220746][ C1] softirqs last disabled at (169383): [] ____do_softirq+0x14/0x20 [ 72.221899][ C0] addrconf_rs_timer+0x300/0x58c [ 72.224255][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.1.31-syzkaller #0 [ 72.225310][ C0] call_timer_fn+0x1c0/0xa1c [ 72.227693][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.228923][ C0] __run_timers+0x554/0x718 [ 72.230859][ C1] pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 72.231978][ C0] run_timer_softirq+0x7c/0x114 [ 72.234500][ C1] pc : queued_spin_lock_slowpath+0x15c/0xe48 [ 72.235669][ C0] __do_softirq+0x30c/0xea0 [ 72.237545][ C1] lr : queued_spin_lock_slowpath+0x168/0xe48 [ 72.238774][ C0] ____do_softirq+0x14/0x20 [ 72.240295][ C1] sp : ffff8000080179c0 [ 72.241393][ C0] call_on_irq_stack+0x24/0x4c [ 72.242889][ C1] x29: ffff800008017a60 [ 72.244145][ C0] do_softirq_own_stack+0x20/0x2c [ 72.245191][ C1] x28: 1fffe0001b39371e [ 72.246380][ C0] __irq_exit_rcu+0x28c/0x534 [ 72.247355][ C1] x27: 1ffff00001002f44 [ 72.248633][ C0] irq_exit_rcu+0x14/0x84 [ 72.249667][ C1] [ 72.250830][ C0] el1_interrupt+0x38/0x68 [ 72.251900][ C1] x26: dfff800000000000 [ 72.252961][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.253534][ C1] x25: 1fffe0001b393720 [ 72.254604][ C0] el1h_64_irq+0x64/0x68 [ 72.255644][ C1] x24: ffff8000080179e0 [ 72.256848][ C0] arch_local_irq_enable+0xc/0x18 [ 72.257917][ C1] [ 72.258951][ C0] default_idle_call+0x68/0xdc [ 72.260041][ C1] x23: ffff800008017a20 [ 72.261294][ C0] do_idle+0x1e0/0x514 [ 72.261920][ C1] x22: ffff700001002f3c [ 72.263111][ C0] cpu_startup_entry+0x24/0x28 [ 72.264152][ C1] x21: 0000000000000001 [ 72.265108][ C0] rest_init+0x2d8/0x2f0 [ 72.266188][ C1] [ 72.267358][ C0] start_kernel+0x0/0x60c [ 72.268413][ C1] x20: 0000000000000001 [ 72.269419][ C0] start_kernel+0x44c/0x60c [ 72.269954][ C1] x19: ffff0000d9c9b8f0 [ 72.271051][ C0] __primary_switched+0xb8/0xc0 [ 72.272116][ C1] x18: ffff8000080178c0 [ 72.273263][ C0] Kernel panic - not syncing: softlockup: hung tasks [ 72.273274][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 6.1.31-syzkaller #0 [ 72.273286][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.273293][ C0] Call trace: [ 72.273297][ C0] dump_backtrace+0x1c8/0x1f4 [ 72.273309][ C0] show_stack+0x2c/0x3c [ 72.273317][ C0] dump_stack_lvl+0x108/0x170 [ 72.273330][ C0] dump_stack+0x1c/0x58 [ 72.273340][ C0] panic+0x300/0x7fc [ 72.273352][ C0] softlockup_fn+0x0/0x120 [ 72.273366][ C0] __hrtimer_run_queues+0x484/0xdc0 [ 72.273378][ C0] hrtimer_interrupt+0x2c0/0xb64 [ 72.273391][ C0] arch_timer_handler_virt+0x74/0x88 [ 72.273402][ C0] handle_percpu_devid_irq+0x174/0x354 [ 72.273413][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 72.273426][ C0] gic_handle_irq+0x70/0x1e4 [ 72.273438][ C0] do_interrupt_handler+0xe0/0x138 [ 72.273449][ C0] el1_interrupt+0x34/0x68 [ 72.273460][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.273472][ C0] el1h_64_irq+0x64/0x68 [ 72.273480][ C0] fq_pie_qdisc_dequeue+0x3ac/0x8ac [ 72.273491][ C0] __qdisc_run+0x204/0x239c [ 72.273505][ C0] __dev_queue_xmit+0xe14/0x38d8 [ 72.273517][ C0] neigh_connected_output+0x2f8/0x38c [ 72.273530][ C0] ip6_finish_output2+0xdb4/0x1a98 [ 72.273543][ C0] ip6_finish_output+0x538/0x8c8 [ 72.273556][ C0] ip6_output+0x270/0x594 [ 72.273578][ C0] ndisc_send_skb+0xc30/0x1790 [ 72.273590][ C0] ndisc_send_rs+0x47c/0x5d4 [ 72.273601][ C0] addrconf_rs_timer+0x300/0x58c [ 72.273612][ C0] call_timer_fn+0x1c0/0xa1c [ 72.273624][ C0] __run_timers+0x554/0x718 [ 72.273635][ C0] run_timer_softirq+0x7c/0x114 [ 72.273646][ C0] __do_softirq+0x30c/0xea0 [ 72.273655][ C0] ____do_softirq+0x14/0x20 [ 72.273665][ C0] call_on_irq_stack+0x24/0x4c [ 72.273675][ C0] do_softirq_own_stack+0x20/0x2c [ 72.273685][ C0] __irq_exit_rcu+0x28c/0x534 [ 72.273695][ C0] irq_exit_rcu+0x14/0x84 [ 72.273704][ C0] el1_interrupt+0x38/0x68 [ 72.273715][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.273726][ C0] el1h_64_irq+0x64/0x68 [ 72.273734][ C0] arch_local_irq_enable+0xc/0x18 [ 72.273743][ C0] default_idle_call+0x68/0xdc [ 72.273756][ C0] do_idle+0x1e0/0x514 [ 72.273766][ C0] cpu_startup_entry+0x24/0x28 [ 72.273776][ C0] rest_init+0x2d8/0x2f0 [ 72.273784][ C0] start_kernel+0x0/0x60c [ 72.273795][ C0] start_kernel+0x44c/0x60c [ 72.273805][ C0] __primary_switched+0xb8/0xc0 [ 72.273816][ C0] SMP: stopping secondary CPUs [ 72.274333][ C1] [ 72.275580][ C1] x17: ffff80019f0be000 x16: ffff80000896d2d4 x15: 000000000000db37 [ 72.283401][ C1] x14: 000000003ba106aa x13: dfff800000000000 x12: 0000000000000001 [ 72.287726][ C1] x11: 1fffe0001b39371e x10: 0000000000000000 x9 : 0000000000000000 [ 72.292329][ C1] x8 : 0000000000000101 x7 : 0000000000000000 x6 : 0000000000000000 [ 72.297769][ C1] x5 : ffff80001878d698 x4 : 0000000000000008 x3 : ffff8000121dcbf4 [ 72.302558][ C1] x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001 [ 72.307177][ C1] Call trace: [ 72.308511][ C1] queued_spin_lock_slowpath+0x15c/0xe48 [ 72.309792][ C1] do_raw_spin_lock+0x330/0x358 [ 72.311053][ C1] _raw_spin_lock+0x5c/0x6c [ 72.312151][ C1] fq_pie_timer+0x94/0x248 [ 72.313420][ C1] call_timer_fn+0x1c0/0xa1c [ 72.314553][ C1] __run_timers+0x554/0x718 [ 72.315859][ C1] run_timer_softirq+0x7c/0x114 [ 72.317051][ C1] __do_softirq+0x30c/0xea0 [ 72.318183][ C1] ____do_softirq+0x14/0x20 [ 72.319437][ C1] call_on_irq_stack+0x24/0x4c [ 72.320612][ C1] do_softirq_own_stack+0x20/0x2c [ 72.321806][ C1] __irq_exit_rcu+0x28c/0x534 [ 72.323020][ C1] irq_exit_rcu+0x14/0x84 [ 72.324289][ C1] el1_interrupt+0x38/0x68 [ 72.325519][ C1] el1h_64_irq_handler+0x18/0x24 [ 72.326705][ C1] el1h_64_irq+0x64/0x68 [ 72.327845][ C1] arch_local_irq_enable+0xc/0x18 [ 72.329027][ C1] default_idle_call+0x68/0xdc [ 72.330173][ C1] do_idle+0x1e0/0x514 [ 72.331365][ C1] cpu_startup_entry+0x24/0x28 [ 72.332542][ C1] secondary_start_kernel+0x19c/0x1c4 [ 72.333624][ C1] __secondary_switched+0xb0/0xb4 [ 72.334789][ C0] Kernel Offset: disabled [ 72.380160][ C0] CPU features: 0x00000,02070084,26017203 [ 72.381631][ C0] Memory Limit: none [ 72.397318][ C0] [ 72.397872][ C0] ================================ [ 72.399089][ C0] WARNING: inconsistent lock state [ 72.400300][ C0] 6.1.31-syzkaller #0 Tainted: G L [ 72.401906][ C0] -------------------------------- [ 72.403055][ C0] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 72.404735][ C0] swapper/0/0 [HC1[1]:SC1[5]:HE0:SE0] takes: [ 72.406110][ C0] ffff800015600e78 (efi_rt_lock){?...}-{2:2}, at: virt_efi_set_variable_nonblocking+0x74/0x16c [ 72.408644][ C0] {HARDIRQ-ON-W} state was registered at: [ 72.410025][ C0] lock_acquire+0x26c/0x7cc [ 72.411141][ C0] _raw_spin_lock+0x54/0x6c [ 72.412248][ C0] efi_call_rts+0x80/0x9d8 [ 72.413321][ C0] process_one_work+0x7ac/0x1404 [ 72.414504][ C0] worker_thread+0x8e4/0xfec [ 72.415643][ C0] kthread+0x250/0x2d8 [ 72.416680][ C0] ret_from_fork+0x10/0x20 [ 72.417752][ C0] irq event stamp: 169631 [ 72.418846][ C0] hardirqs last enabled at (169630): [] el1_interrupt+0x58/0x68 [ 72.421149][ C0] hardirqs last disabled at (169631): [] el1_interrupt+0x24/0x68 [ 72.423420][ C0] softirqs last enabled at (164268): [] __do_softirq+0xc14/0xea0 [ 72.425691][ C0] softirqs last disabled at (164323): [] ____do_softirq+0x14/0x20 [ 72.427958][ C0] [ 72.427958][ C0] other info that might help us debug this: [ 72.429894][ C0] Possible unsafe locking scenario: [ 72.429894][ C0] [ 72.431696][ C0] CPU0 [ 72.432523][ C0] ---- [ 72.433292][ C0] lock(efi_rt_lock); [ 72.434255][ C0] [ 72.435105][ C0] lock(efi_rt_lock); [ 72.436049][ C0] [ 72.436049][ C0] *** DEADLOCK *** [ 72.436049][ C0] [ 72.438084][ C0] 7 locks held by swapper/0/0: [ 72.439220][ C0] #0: ffff800008007c80 ((&ndev->rs_timer)){+.-.}-{0:0}, at: call_timer_fn+0xd0/0xa1c [ 72.441649][ C0] #1: ffff800015794ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 72.443882][ C0] #2: ffff800015794d00 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 72.446269][ C0] #3: ffff800015794d00 (rcu_read_lock_bh){....}-{1:2}, at: rcu_lock_acquire+0x18/0x54 [ 72.448553][ C0] #4: ffff0000d9c9b908 (&sch->q.lock){+.-.}-{2:2}, at: __dev_queue_xmit+0xb14/0x38d8 [ 72.450897][ C0] #5: ffff800015794ca0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 72.453069][ C0] #6: ffff8000175dc5c8 (&psinfo->buf_lock){....}-{2:2}, at: pstore_dump+0x184/0x9f4 [ 72.455348][ C0] [ 72.455348][ C0] stack backtrace: [ 72.456764][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G L 6.1.31-syzkaller #0 [ 72.458939][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 [ 72.461297][ C0] Call trace: [ 72.462137][ C0] dump_backtrace+0x1c8/0x1f4 [ 72.463285][ C0] show_stack+0x2c/0x3c [ 72.464228][ C0] dump_stack_lvl+0x108/0x170 [ 72.465392][ C0] dump_stack+0x1c/0x58 [ 72.466363][ C0] print_usage_bug+0x654/0x9b0 [ 72.467537][ C0] mark_lock_irq+0x980/0xd2c [ 72.468660][ C0] mark_lock+0x258/0x360 [ 72.469677][ C0] __lock_acquire+0xb4c/0x764c [ 72.470832][ C0] lock_acquire+0x26c/0x7cc [ 72.472003][ C0] _raw_spin_lock+0x54/0x6c [ 72.473067][ C0] virt_efi_set_variable_nonblocking+0x74/0x16c [ 72.474479][ C0] efivar_set_variable_locked+0x1e4/0x20c [ 72.475918][ C0] efi_pstore_write+0x424/0x64c [ 72.477094][ C0] pstore_dump+0x6c0/0x9f4 [ 72.478166][ C0] kmsg_dump+0x17c/0x26c [ 72.479167][ C0] panic+0x348/0x7fc [ 72.480113][ C0] softlockup_fn+0x0/0x120 [ 72.481191][ C0] __hrtimer_run_queues+0x484/0xdc0 [ 72.482450][ C0] hrtimer_interrupt+0x2c0/0xb64 [ 72.483701][ C0] arch_timer_handler_virt+0x74/0x88 [ 72.484993][ C0] handle_percpu_devid_irq+0x174/0x354 [ 72.486305][ C0] generic_handle_domain_irq+0x7c/0xc4 [ 72.487588][ C0] gic_handle_irq+0x70/0x1e4 [ 72.488672][ C0] do_interrupt_handler+0xe0/0x138 [ 72.489899][ C0] el1_interrupt+0x34/0x68 [ 72.490997][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.492174][ C0] el1h_64_irq+0x64/0x68 [ 72.493209][ C0] fq_pie_qdisc_dequeue+0x3ac/0x8ac [ 72.494447][ C0] __qdisc_run+0x204/0x239c [ 72.495530][ C0] __dev_queue_xmit+0xe14/0x38d8 [ 72.496723][ C0] neigh_connected_output+0x2f8/0x38c [ 72.498012][ C0] ip6_finish_output2+0xdb4/0x1a98 [ 72.499306][ C0] ip6_finish_output+0x538/0x8c8 [ 72.500523][ C0] ip6_output+0x270/0x594 [ 72.501573][ C0] ndisc_send_skb+0xc30/0x1790 [ 72.502726][ C0] ndisc_send_rs+0x47c/0x5d4 [ 72.503791][ C0] addrconf_rs_timer+0x300/0x58c [ 72.504950][ C0] call_timer_fn+0x1c0/0xa1c [ 72.506044][ C0] __run_timers+0x554/0x718 [ 72.507132][ C0] run_timer_softirq+0x7c/0x114 [ 72.508357][ C0] __do_softirq+0x30c/0xea0 [ 72.509486][ C0] ____do_softirq+0x14/0x20 [ 72.510606][ C0] call_on_irq_stack+0x24/0x4c [ 72.511733][ C0] do_softirq_own_stack+0x20/0x2c [ 72.512939][ C0] __irq_exit_rcu+0x28c/0x534 [ 72.514032][ C0] irq_exit_rcu+0x14/0x84 [ 72.515052][ C0] el1_interrupt+0x38/0x68 [ 72.516079][ C0] el1h_64_irq_handler+0x18/0x24 [ 72.517247][ C0] el1h_64_irq+0x64/0x68 [ 72.518263][ C0] arch_local_irq_enable+0xc/0x18 [ 72.519483][ C0] default_idle_call+0x68/0xdc [ 72.520628][ C0] do_idle+0x1e0/0x514 [ 72.521671][ C0] cpu_startup_entry+0x24/0x28 [ 72.522820][ C0] rest_init+0x2d8/0x2f0 [ 72.523849][ C0] start_kernel+0x0/0x60c [ 72.524887][ C0] start_kernel+0x44c/0x60c [ 72.525966][ C0] __primary_switched+0xb8/0xc0 [ 72.859514][ C0] Rebooting in 86400 seconds..