[ 18.449243][ T3638] 8021q: adding VLAN 0 to HW filter on device bond0 [ 18.454896][ T3638] eql: remember to turn off Van-Jacobson compression on your slave devices [ 18.496823][ T136] gvnic 0000:00:00.0 enp0s0: Device link is up. [ 18.499957][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s0: link becomes ready Starting sshd: OK syzkaller syzkaller login: [ 69.625307][ T3268] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.0.240' (ECDSA) to the list of known hosts. [ 116.941486][ T3980] chnl_net:caif_netlink_parms(): no params data found [ 116.978527][ T3980] bridge0: port 1(bridge_slave_0) entered blocking state [ 116.980231][ T3980] bridge0: port 1(bridge_slave_0) entered disabled state [ 116.982437][ T3980] device bridge_slave_0 entered promiscuous mode [ 116.986836][ T3980] bridge0: port 2(bridge_slave_1) entered blocking state [ 116.988493][ T3980] bridge0: port 2(bridge_slave_1) entered disabled state [ 116.990780][ T3980] device bridge_slave_1 entered promiscuous mode [ 117.006888][ T3980] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 117.010781][ T3980] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 117.024793][ T3980] team0: Port device team_slave_0 added [ 117.028478][ T3980] team0: Port device team_slave_1 added [ 117.041321][ T3980] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 117.043049][ T3980] 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. [ 117.048960][ T3980] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 117.053147][ T3980] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 117.055070][ T3980] 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. [ 117.060837][ T3980] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 117.135743][ T3980] device hsr_slave_0 entered promiscuous mode [ 117.183865][ T3980] device hsr_slave_1 entered promiscuous mode [ 117.308125][ T3980] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 117.356335][ T3980] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 117.396815][ T3980] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 117.465884][ T3980] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 117.531470][ T3980] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.533169][ T3980] bridge0: port 2(bridge_slave_1) entered forwarding state [ 117.535287][ T3980] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.536875][ T3980] bridge0: port 1(bridge_slave_0) entered forwarding state [ 117.578267][ T3980] 8021q: adding VLAN 0 to HW filter on device bond0 [ 117.585156][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 117.588679][ T3986] bridge0: port 1(bridge_slave_0) entered disabled state [ 117.591518][ T3986] bridge0: port 2(bridge_slave_1) entered disabled state [ 117.596181][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 117.602813][ T3980] 8021q: adding VLAN 0 to HW filter on device team0 [ 117.616659][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 117.618771][ T3986] bridge0: port 1(bridge_slave_0) entered blocking state [ 117.620379][ T3986] bridge0: port 1(bridge_slave_0) entered forwarding state [ 117.622358][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 117.624879][ T3986] bridge0: port 2(bridge_slave_1) entered blocking state [ 117.626548][ T3986] bridge0: port 2(bridge_slave_1) entered forwarding state [ 117.636663][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 117.639601][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 117.650102][ T3980] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 117.652336][ T3980] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 117.659151][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 117.661480][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 117.664264][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 117.666579][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 117.678064][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 117.679798][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 117.688587][ T3980] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 117.700229][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 117.714857][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 117.717202][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 117.719273][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 117.724693][ T3980] device veth0_vlan entered promiscuous mode [ 117.730891][ T3980] device veth1_vlan entered promiscuous mode [ 117.747823][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 117.749891][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 117.752413][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 117.756997][ T3980] device veth0_macvtap entered promiscuous mode [ 117.760827][ T3980] device veth1_macvtap entered promiscuous mode [ 117.772752][ T3980] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 117.775472][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 117.778440][ T3986] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 117.785539][ T3980] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 117.787448][ T3268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 117.791465][ T3980] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.793427][ T3980] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.795565][ T3980] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 117.797524][ T3980] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 117.867341][ C1] hrtimer: interrupt took 39924080 ns executing program [ 199.671045][ C1] watchdog: BUG: soft lockup - CPU#1 stuck for 77s! [swapper/1:0] [ 199.673304][ C1] Modules linked in: [ 199.674275][ C1] irq event stamp: 211524 [ 199.675307][ C1] hardirqs last enabled at (211523): [] default_idle_call+0xb8/0x4a8 [ 199.677462][ C1] hardirqs last disabled at (211524): [] enter_el1_irq_or_nmi+0x10/0x1c [ 199.678858][ C0] BUG: workqueue lockup - pool [ 199.679819][ C1] softirqs last enabled at (211500): [] __do_softirq+0xb5c/0xe20 [ 199.679826][ C0] cpus=1 [ 199.679844][ C1] softirqs last disabled at (211307): [] __irq_exit_rcu+0x28c/0x534 [ 199.680959][ C0] node=0 [ 199.682997][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.15.116-syzkaller #0 [ 199.683687][ C0] flags=0x0 nice=0 [ 199.685707][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 199.686310][ C0] stuck for 63s! [ 199.687920][ C1] pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 199.688706][ C0] Showing busy workqueues and worker pools: [ 199.690802][ C1] pc : arch_local_irq_enable+0xc/0x18 [ 199.691554][ C0] workqueue events: flags=0x0 [ 199.693272][ C1] lr : arch_cpu_idle+0x14/0x20 [ 199.694600][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 [ 199.694628][ C0] in-flight: 1528:nsim_fib_event_work nsim_fib_event_work [ 199.694655][ C0] pending: nsim_dev_trap_report_work, ovs_dp_masks_rebalance, vmstat_shepherd [ 199.694686][ C0] workqueue events_long: flags=0x0 [ 199.695665][ C1] sp : ffff800018977d10 [ 199.696674][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 199.696697][ C0] pending: defense_work_handler, defense_work_handler [ 199.696718][ C0] workqueue events_unbound: flags=0x2 [ 199.697786][ C1] x29: ffff800018977d10 x28: dfff800000000000 [ 199.699507][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 [ 199.699530][ C0] pending: flush_memcg_stats_dwork [ 199.699547][ C0] workqueue events_power_efficient: flags=0x82 [ 199.701127][ C1] x27: 1ffff0000312efb0 [ 199.703056][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 [ 199.703080][ C0] pending: fb_flashcursor, wg_ratelimiter_gc_entries [ 199.703107][ C0] workqueue mm_percpu_wq: flags=0x8 [ 199.704133][ C1] [ 199.704139][ C1] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000002 [ 199.704159][ C1] x23: 1ffff0000291da62 x22: 0000000000000001 x21: dfff800000000000 [ 199.705057][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 199.705083][ C0] pending: vmstat_update [ 199.705098][ C0] workqueue writeback: flags=0x4a [ 199.706773][ C1] [ 199.706780][ C1] x20: ffff8000148ed310 [ 199.708332][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 199.708355][ C0] pending: wb_workfn [ 199.708418][ C0] workqueue krxrpcd: flags=0x0 [ 199.709451][ C1] x19: ffff0000c0a58000 [ 199.710775][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 [ 199.710800][ C0] pending: rxrpc_peer_keepalive_worker [ 199.710821][ C0] workqueue bat_events: flags=0xe000a [ 199.712451][ C1] x18: 1fffe0003690338e [ 199.713729][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=7 [ 199.713753][ C0] pending: batadv_mcast_mla_update [ 199.713767][ C0] inactive: batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet [ 199.713813][ C0] workqueue wg-crypt-wg0: flags=0x28 [ 199.715007][ C1] [ 199.715014][ C1] x17: 1fffe0003690338e [ 199.715917][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 199.715955][ C0] pending: wg_packet_encrypt_worker [ 199.715977][ C0] workqueue wg-kex-wg1: flags=0x6 [ 199.717562][ C1] x16: ffff80000806036c [ 199.719043][ C0] pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 [ 199.719067][ C0] pending: wg_packet_handshake_send_worker [ 199.719083][ C0] workqueue wg-crypt-wg1: flags=0x28 [ 199.720129][ C1] x15: ffff80001498f100 [ 199.720600][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 199.720622][ C0] pending: wg_packet_encrypt_worker, wg_packet_tx_worker [ 199.720645][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 199.720664][ C0] pending: wg_packet_encrypt_worker [ 199.720678][ C0] workqueue wg-crypt-wg2: flags=0x28 [ 199.722331][ C1] [ 199.724074][ C0] pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 [ 199.724102][ C0] pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker [ 199.724125][ C0] pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 [ 199.724143][ C0] pending: wg_packet_encrypt_worker [ 199.724159][ C0] pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=6 idle: 3986 13 7 3988 3987 [ 199.773817][ C1] x14: 1ffff0000291e06a x13: ffffffffffffffff x12: 0000000000000000 [ 199.775209][ C1] x11: ff8080000a9a4264 x10: 0000000000000003 x9 : 0000000000000000 [ 199.776627][ C1] x8 : 00000000000000e0 x7 : 0000000000000000 x6 : 0000000000000000 [ 199.778104][ C1] x5 : 0000000000000080 x4 : 0000000000000000 x3 : ffff80001194facc [ 199.779549][ C1] x2 : 0000000000000001 x1 : ffff800011aaac40 x0 : ffff80019ffd9000 [ 199.781075][ C1] Call trace: [ 199.781831][ C1] arch_local_irq_enable+0xc/0x18 [ 199.782924][ C1] default_idle_call+0xcc/0x4a8 [ 199.784044][ C1] do_idle+0x1d4/0x4dc [ 199.784899][ C1] cpu_startup_entry+0x24/0x28 [ 199.785992][ C1] secondary_start_kernel+0x240/0x298 [ 199.787229][ C1] __secondary_switched+0x94/0x98 [ 199.788434][ C1] Kernel panic - not syncing: softlockup: hung tasks [ 199.789966][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 5.15.116-syzkaller #0 [ 199.791973][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 199.794167][ C1] Call trace: [ 199.794873][ C1] dump_backtrace+0x0/0x530 [ 199.795914][ C1] show_stack+0x2c/0x3c [ 199.796819][ C1] dump_stack_lvl+0x108/0x170 [ 199.797928][ C1] dump_stack+0x1c/0x58 [ 199.798906][ C1] panic+0x304/0x8b4 [ 199.799795][ C1] softlockup_fn+0x0/0x120 [ 199.800812][ C1] __hrtimer_run_queues+0x458/0xca4 [ 199.802027][ C1] hrtimer_interrupt+0x6f4/0xb64 [ 199.803143][ C1] arch_timer_handler_virt+0x74/0x88 [ 199.804349][ C1] handle_percpu_devid_irq+0x29c/0x7fc [ 199.805688][ C1] handle_domain_irq+0xec/0x178 [ 199.806702][ C1] gic_handle_irq+0x78/0x1c8 [ 199.807779][ C1] call_on_irq_stack+0x24/0x4c [ 199.808869][ C1] do_interrupt_handler+0x74/0x94 [ 199.809973][ C1] el1_interrupt+0x30/0x58 [ 199.810895][ C1] el1h_64_irq_handler+0x18/0x24 [ 199.812070][ C1] el1h_64_irq+0x78/0x7c [ 199.813018][ C1] arch_local_irq_enable+0xc/0x18 [ 199.814107][ C1] default_idle_call+0xcc/0x4a8 [ 199.815174][ C1] do_idle+0x1d4/0x4dc [ 199.816103][ C1] cpu_startup_entry+0x24/0x28 [ 199.817145][ C1] secondary_start_kernel+0x240/0x298 [ 199.818301][ C1] __secondary_switched+0x94/0x98 [ 199.819404][ C1] SMP: stopping secondary CPUs [ 199.820523][ C1] Kernel Offset: disabled [ 199.821523][ C1] CPU features: 0x000081c1,21302e40 [ 199.822662][ C1] Memory Limit: none [ 199.836749][ C1] [ 199.837227][ C1] ================================ [ 199.838342][ C1] WARNING: inconsistent lock state [ 199.839403][ C1] 5.15.116-syzkaller #0 Tainted: G L [ 199.840885][ C1] -------------------------------- [ 199.842061][ C1] inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage. [ 199.843590][ C1] swapper/1/0 [HC1[1]:SC0[0]:HE0:SE1] takes: [ 199.844909][ C1] ffff80001492e138 (efi_rt_lock){?...}-{2:2}, at: virt_efi_set_variable_nonblocking+0x74/0x16c [ 199.847178][ C1] {HARDIRQ-ON-W} state was registered at: [ 199.848429][ C1] lock_acquire+0x240/0x77c [ 199.849474][ C1] _raw_spin_lock+0xb0/0x10c [ 199.850517][ C1] efi_call_rts+0x80/0x9d8 [ 199.851464][ C1] process_one_work+0x790/0x11b8 [ 199.852591][ C1] worker_thread+0x910/0x1034 [ 199.853642][ C1] kthread+0x37c/0x45c [ 199.854570][ C1] ret_from_fork+0x10/0x20 [ 199.855606][ C1] irq event stamp: 211524 [ 199.856712][ C1] hardirqs last enabled at (211523): [] default_idle_call+0xb8/0x4a8 [ 199.859068][ C1] hardirqs last disabled at (211524): [] enter_el1_irq_or_nmi+0x10/0x1c [ 199.861289][ C1] softirqs last enabled at (211500): [] __do_softirq+0xb5c/0xe20 [ 199.863399][ C1] softirqs last disabled at (211307): [] __irq_exit_rcu+0x28c/0x534 [ 199.865482][ C1] [ 199.865482][ C1] other info that might help us debug this: [ 199.867201][ C1] Possible unsafe locking scenario: [ 199.867201][ C1] [ 199.868909][ C1] CPU0 [ 199.869656][ C1] ---- [ 199.870422][ C1] lock(efi_rt_lock); [ 199.871302][ C1] [ 199.872149][ C1] lock(efi_rt_lock); [ 199.873127][ C1] [ 199.873127][ C1] *** DEADLOCK *** [ 199.873127][ C1] [ 199.875031][ C1] 2 locks held by swapper/1/0: [ 199.875991][ C1] #0: ffff800014ac19a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x10/0x4c [ 199.877979][ C1] #1: ffff8000165e3688 (&psinfo->buf_lock){....}-{2:2}, at: pstore_dump+0x174/0x9dc [ 199.880057][ C1] [ 199.880057][ C1] stack backtrace: [ 199.881284][ C1] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G L 5.15.116-syzkaller #0 [ 199.883198][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 199.885190][ C1] Call trace: [ 199.885870][ C1] dump_backtrace+0x0/0x530 [ 199.886792][ C1] show_stack+0x2c/0x3c [ 199.887668][ C1] dump_stack_lvl+0x108/0x170 [ 199.888639][ C1] dump_stack+0x1c/0x58 [ 199.889547][ C1] print_usage_bug+0x64c/0x9a8 [ 199.890587][ C1] mark_lock_irq+0x980/0xd2c [ 199.891564][ C1] mark_lock+0x258/0x360 [ 199.892475][ C1] __lock_acquire+0xb50/0x7620 [ 199.893517][ C1] lock_acquire+0x240/0x77c [ 199.894483][ C1] _raw_spin_lock+0xb0/0x10c [ 199.895453][ C1] virt_efi_set_variable_nonblocking+0x74/0x16c [ 199.896787][ C1] efivar_entry_set_safe+0x560/0x580 [ 199.897896][ C1] efi_pstore_write+0x280/0x400 [ 199.898897][ C1] pstore_dump+0x6b0/0x9dc [ 199.899880][ C1] kmsg_dump+0x17c/0x26c [ 199.900731][ C1] panic+0x358/0x8b4 [ 199.901544][ C1] softlockup_fn+0x0/0x120 [ 199.902505][ C1] __hrtimer_run_queues+0x458/0xca4 [ 199.903627][ C1] hrtimer_interrupt+0x6f4/0xb64 [ 199.904682][ C1] arch_timer_handler_virt+0x74/0x88 [ 199.905878][ C1] handle_percpu_devid_irq+0x29c/0x7fc [ 199.907169][ C1] handle_domain_irq+0xec/0x178 [ 199.908198][ C1] gic_handle_irq+0x78/0x1c8 [ 199.909259][ C1] call_on_irq_stack+0x24/0x4c [ 199.910346][ C1] do_interrupt_handler+0x74/0x94 [ 199.911475][ C1] el1_interrupt+0x30/0x58 [ 199.912485][ C1] el1h_64_irq_handler+0x18/0x24 [ 199.913533][ C1] el1h_64_irq+0x78/0x7c [ 199.914381][ C1] arch_local_irq_enable+0xc/0x18 [ 199.915545][ C1] default_idle_call+0xcc/0x4a8 [ 199.916634][ C1] do_idle+0x1d4/0x4dc [ 199.917509][ C1] cpu_startup_entry+0x24/0x28 [ 199.918544][ C1] secondary_start_kernel+0x240/0x298 [ 199.919712][ C1] __secondary_switched+0x94/0x98 [ 200.224128][ C1] Rebooting in 86400 seconds..