DUID 00:04:06:88:74:a7:04:75:62:cb:55:93:34:09:94:90:e1:fe forked to background, child pid 3170 [ 27.975847][ T3171] 8021q: adding VLAN 0 to HW filter on device bond0 [ 27.986124][ T3171] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller syzkaller login: [ 76.155301][ T142] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.1.64' (ECDSA) to the list of known hosts. [ 492.995967][ T3622] chnl_net:caif_netlink_parms(): no params data found [ 493.037524][ T3622] bridge0: port 1(bridge_slave_0) entered blocking state [ 493.045228][ T3622] bridge0: port 1(bridge_slave_0) entered disabled state [ 493.053102][ T3622] device bridge_slave_0 entered promiscuous mode [ 493.061831][ T3622] bridge0: port 2(bridge_slave_1) entered blocking state [ 493.069576][ T3622] bridge0: port 2(bridge_slave_1) entered disabled state [ 493.077668][ T3622] device bridge_slave_1 entered promiscuous mode [ 493.100625][ T3622] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 493.111608][ T3622] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 493.134305][ T3622] team0: Port device team_slave_0 added [ 493.142132][ T3622] team0: Port device team_slave_1 added [ 493.159332][ T3622] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 493.167039][ T3622] 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. [ 493.193357][ T3622] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 493.206072][ T3622] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 493.213006][ T3622] 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. [ 493.239319][ T3622] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 493.265200][ T3622] device hsr_slave_0 entered promiscuous mode [ 493.272359][ T3622] device hsr_slave_1 entered promiscuous mode [ 493.356496][ T3622] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 493.367908][ T3622] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 493.376554][ T3622] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 493.386522][ T3622] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 493.407441][ T3622] bridge0: port 2(bridge_slave_1) entered blocking state [ 493.414626][ T3622] bridge0: port 2(bridge_slave_1) entered forwarding state [ 493.422272][ T3622] bridge0: port 1(bridge_slave_0) entered blocking state [ 493.429414][ T3622] bridge0: port 1(bridge_slave_0) entered forwarding state [ 493.471309][ T3622] 8021q: adding VLAN 0 to HW filter on device bond0 [ 493.482266][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 493.492661][ T144] bridge0: port 1(bridge_slave_0) entered disabled state [ 493.501311][ T144] bridge0: port 2(bridge_slave_1) entered disabled state [ 493.509809][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 493.521982][ T3622] 8021q: adding VLAN 0 to HW filter on device team0 [ 493.533371][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 493.541808][ T3630] bridge0: port 1(bridge_slave_0) entered blocking state [ 493.548931][ T3630] bridge0: port 1(bridge_slave_0) entered forwarding state [ 493.559816][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 493.568427][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 493.575646][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 493.594203][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 493.604279][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 493.614701][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 493.631213][ T3622] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 493.641835][ T3622] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 493.654249][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 493.663132][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 493.672378][ T3630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 493.691302][ T3622] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 493.699052][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 493.706789][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 493.815704][ T3631] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 493.828449][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 493.838399][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 493.846455][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 493.855091][ T3622] device veth0_vlan entered promiscuous mode [ 493.867069][ T3622] device veth1_vlan entered promiscuous mode [ 493.887314][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 493.896397][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 493.905795][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 493.917027][ T3622] device veth0_macvtap entered promiscuous mode [ 493.926750][ T3622] device veth1_macvtap entered promiscuous mode [ 493.943167][ T3622] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 493.950856][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 493.959899][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 493.971337][ T3622] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 493.979317][ T3628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 493.990748][ T3622] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 493.999958][ T3622] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 494.009624][ T3622] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 494.018720][ T3622] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 716.153608][ T28] INFO: task syz-executor277:3640 can't die for more than 143 seconds. [ 716.162011][ T28] task:syz-executor277 state:D stack:25352 pid: 3640 ppid: 3622 flags:0x00000004 [ 716.171317][ T28] Call Trace: [ 716.175952][ T28] [ 716.178901][ T28] __schedule+0xa9a/0x4cc0 [ 716.183487][ T28] ? update_load_avg+0x1bd/0x1c80 [ 716.188635][ T28] ? io_schedule_timeout+0x140/0x140 [ 716.195987][ T28] schedule+0xd2/0x1f0 [ 716.200093][ T28] schedule_timeout+0x1db/0x2a0 [ 716.205030][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.210239][ T28] ? __wait_for_common+0x36f/0x530 [ 716.215507][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.220349][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.225317][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.230529][ T28] __wait_for_common+0x378/0x530 [ 716.235563][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.240774][ T28] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 716.247157][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.252366][ T28] __flush_work+0x56c/0xb10 [ 716.257024][ T28] ? queue_delayed_work_on+0x120/0x120 [ 716.262498][ T28] ? kernel_text_address+0x39/0x80 [ 716.267837][ T28] ? flush_workqueue_prep_pwqs+0x4f0/0x4f0 [ 716.273796][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.278593][ T28] __cancel_work_timer+0x3f9/0x570 [ 716.283755][ T28] ? try_to_grab_pending+0xd0/0xd0 [ 716.288897][ T28] ? lock_release+0x780/0x780 [ 716.293713][ T28] tls_sk_proto_close+0x4a7/0xaf0 [ 716.298882][ T28] ? wait_on_pending_writer+0x430/0x430 [ 716.305012][ T28] ? ip_mc_drop_socket+0x16/0x260 [ 716.310092][ T28] inet_release+0x12e/0x280 [ 716.316033][ T28] inet6_release+0x4c/0x70 [ 716.320559][ T28] __sock_release+0xcd/0x280 [ 716.325490][ T28] sock_close+0x18/0x20 [ 716.329648][ T28] __fput+0x277/0x9d0 [ 716.334627][ T28] ? __sock_release+0x280/0x280 [ 716.339480][ T28] task_work_run+0xdd/0x1a0 [ 716.344221][ T28] exit_to_user_mode_prepare+0x23c/0x250 [ 716.350026][ T28] syscall_exit_to_user_mode+0x19/0x50 [ 716.356419][ T28] do_syscall_64+0x42/0xb0 [ 716.360862][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.366975][ T28] RIP: 0033:0x7f3eeedfb743 [ 716.371381][ T28] RSP: 002b:00007ffc3bf152d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 716.380703][ T28] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f3eeedfb743 [ 716.388824][ T28] RDX: fffffffffffffe60 RSI: 00000000200005c0 RDI: 0000000000000005 [ 716.397634][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffffffffffe60 [ 716.405784][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3bf152f0 [ 716.414162][ T28] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 716.422162][ T28] [ 716.425959][ T28] INFO: task syz-executor277:3640 blocked for more than 143 seconds. [ 716.434071][ T28] Not tainted 5.18.0-rc3-next-20220420-syzkaller #0 [ 716.441195][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.449977][ T28] task:syz-executor277 state:D stack:25352 pid: 3640 ppid: 3622 flags:0x00000004 [ 716.459214][ T28] Call Trace: [ 716.462478][ T28] [ 716.465512][ T28] __schedule+0xa9a/0x4cc0 [ 716.469961][ T28] ? update_load_avg+0x1bd/0x1c80 [ 716.475063][ T28] ? io_schedule_timeout+0x140/0x140 [ 716.480376][ T28] schedule+0xd2/0x1f0 [ 716.484566][ T28] schedule_timeout+0x1db/0x2a0 [ 716.489426][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.494663][ T28] ? __wait_for_common+0x36f/0x530 [ 716.499893][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.504763][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 716.509715][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.514969][ T28] __wait_for_common+0x378/0x530 [ 716.519923][ T28] ? usleep_range_state+0x1b0/0x1b0 [ 716.525220][ T28] ? out_of_line_wait_on_bit_timeout+0x170/0x170 [ 716.531574][ T28] ? _raw_spin_unlock_irq+0x1f/0x40 [ 716.537500][ T28] __flush_work+0x56c/0xb10 [ 716.542027][ T28] ? queue_delayed_work_on+0x120/0x120 [ 716.547582][ T28] ? kernel_text_address+0x39/0x80 [ 716.552717][ T28] ? flush_workqueue_prep_pwqs+0x4f0/0x4f0 [ 716.558687][ T28] ? mark_held_locks+0x9f/0xe0 [ 716.563541][ T28] __cancel_work_timer+0x3f9/0x570 [ 716.568674][ T28] ? try_to_grab_pending+0xd0/0xd0 [ 716.573838][ T28] ? lock_release+0x780/0x780 [ 716.578536][ T28] tls_sk_proto_close+0x4a7/0xaf0 [ 716.583667][ T28] ? wait_on_pending_writer+0x430/0x430 [ 716.589236][ T28] ? ip_mc_drop_socket+0x16/0x260 [ 716.594301][ T28] inet_release+0x12e/0x280 [ 716.598822][ T28] inet6_release+0x4c/0x70 [ 716.603234][ T28] __sock_release+0xcd/0x280 [ 716.607923][ T28] sock_close+0x18/0x20 [ 716.612087][ T28] __fput+0x277/0x9d0 [ 716.616106][ T28] ? __sock_release+0x280/0x280 [ 716.620972][ T28] task_work_run+0xdd/0x1a0 [ 716.625598][ T28] exit_to_user_mode_prepare+0x23c/0x250 [ 716.631254][ T28] syscall_exit_to_user_mode+0x19/0x50 [ 716.637010][ T28] do_syscall_64+0x42/0xb0 [ 716.641452][ T28] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.648057][ T28] RIP: 0033:0x7f3eeedfb743 [ 716.652486][ T28] RSP: 002b:00007ffc3bf152d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 716.661776][ T28] RAX: 0000000000000000 RBX: 0000000000000006 RCX: 00007f3eeedfb743 [ 716.669897][ T28] RDX: fffffffffffffe60 RSI: 00000000200005c0 RDI: 0000000000000005 [ 716.678705][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: fffffffffffffe60 [ 716.686817][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc3bf152f0 [ 716.695637][ T28] R13: 00000000000f4240 R14: 0000000000000000 R15: 0000000000000000 [ 716.703758][ T28] [ 716.706785][ T28] [ 716.706785][ T28] Showing all locks held in the system: [ 716.714639][ T28] 1 lock held by khungtaskd/28: [ 716.719502][ T28] #0: ffffffff8bd84f60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 716.729467][ T28] 1 lock held by klogd/2949: [ 716.734098][ T28] #0: ffff8880b9d3a018 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 716.744159][ T28] 2 locks held by getty/3275: [ 716.748845][ T28] #0: ffff8881448d1098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 [ 716.759382][ T28] #1: ffffc90002b832e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xe50/0x13c0 [ 716.769581][ T28] 3 locks held by kworker/0:3/3630: [ 716.774888][ T28] #0: ffff888010c64d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x87a/0x1610 [ 716.785373][ T28] #1: ffffc90002fcfda8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x8ae/0x1610 [ 716.798481][ T28] #2: ffff88801a2100d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 [ 716.808079][ T28] 1 lock held by syz-executor277/3640: [ 716.813564][ T28] #0: ffff888071d78810 (&sb->s_type->i_mutex_key#10){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 716.824222][ T28] [ 716.826544][ T28] ============================================= [ 716.826544][ T28] [ 716.834972][ T28] NMI backtrace for cpu 0 [ 716.839294][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc3-next-20220420-syzkaller #0 [ 716.848649][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.858687][ T28] Call Trace: [ 716.861949][ T28] [ 716.864867][ T28] dump_stack_lvl+0xcd/0x134 [ 716.869510][ T28] nmi_cpu_backtrace.cold+0x47/0x144 [ 716.874799][ T28] ? lapic_can_unplug_cpu+0x80/0x80 [ 716.880018][ T28] nmi_trigger_cpumask_backtrace+0x1e6/0x230 [ 716.886017][ T28] watchdog+0xcb7/0xed0 [ 716.890180][ T28] ? trace_sched_process_hang+0x280/0x280 [ 716.895889][ T28] kthread+0x2e9/0x3a0 [ 716.899948][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 716.905565][ T28] ret_from_fork+0x1f/0x30 [ 716.909992][ T28] [ 716.913145][ T28] Sending NMI from CPU 0 to CPUs 1: [ 716.918404][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x1c6/0x250 [ 716.919732][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 716.935199][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 5.18.0-rc3-next-20220420-syzkaller #0 [ 716.944556][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.954597][ T28] Call Trace: [ 716.957864][ T28] [ 716.960784][ T28] dump_stack_lvl+0xcd/0x134 [ 716.965385][ T28] panic+0x2d7/0x636 [ 716.969318][ T28] ? panic_print_sys_info.part.0+0x10b/0x10b [ 716.975308][ T28] ? lapic_can_unplug_cpu+0x80/0x80 [ 716.980505][ T28] ? preempt_schedule_thunk+0x16/0x18 [ 716.985881][ T28] ? nmi_trigger_cpumask_backtrace+0x1c9/0x230 [ 716.992037][ T28] ? watchdog.cold+0x1b9/0x1de [ 716.996820][ T28] watchdog.cold+0x1ca/0x1de [ 717.001423][ T28] ? trace_sched_process_hang+0x280/0x280 [ 717.007148][ T28] kthread+0x2e9/0x3a0 [ 717.011218][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 717.016850][ T28] ret_from_fork+0x1f/0x30 [ 717.021281][ T28] [ 717.024622][ T28] Kernel Offset: disabled [ 717.028981][ T28] Rebooting in 86400 seconds..