Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts. [ 481.798933][ T6881] IPVS: ftp: loaded support on port[0] = 21 [ 481.899965][ T6881] chnl_net:caif_netlink_parms(): no params data found [ 481.956734][ T6881] bridge0: port 1(bridge_slave_0) entered blocking state [ 481.964143][ T6881] bridge0: port 1(bridge_slave_0) entered disabled state [ 481.972850][ T6881] device bridge_slave_0 entered promiscuous mode [ 481.982026][ T6881] bridge0: port 2(bridge_slave_1) entered blocking state [ 481.989632][ T6881] bridge0: port 2(bridge_slave_1) entered disabled state [ 481.997739][ T6881] device bridge_slave_1 entered promiscuous mode [ 482.018492][ T6881] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 482.029453][ T6881] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 482.053534][ T6881] team0: Port device team_slave_0 added [ 482.060990][ T6881] team0: Port device team_slave_1 added [ 482.080204][ T6881] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 482.087464][ T6881] 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. [ 482.113758][ T6881] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 482.127063][ T6881] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 482.133995][ T6881] 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. [ 482.160008][ T6881] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 482.187522][ T6881] device hsr_slave_0 entered promiscuous mode [ 482.194209][ T6881] device hsr_slave_1 entered promiscuous mode [ 482.297549][ T6881] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 482.309020][ T6881] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 482.318730][ T6881] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 482.330785][ T6881] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 482.356744][ T6881] bridge0: port 2(bridge_slave_1) entered blocking state [ 482.364984][ T6881] bridge0: port 2(bridge_slave_1) entered forwarding state [ 482.372667][ T6881] bridge0: port 1(bridge_slave_0) entered blocking state [ 482.379801][ T6881] bridge0: port 1(bridge_slave_0) entered forwarding state [ 482.427576][ T6881] 8021q: adding VLAN 0 to HW filter on device bond0 [ 482.441199][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 482.453170][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 482.462544][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 482.471284][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 482.483942][ T6881] 8021q: adding VLAN 0 to HW filter on device team0 [ 482.498180][ T3698] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 482.506962][ T3698] bridge0: port 1(bridge_slave_0) entered blocking state [ 482.514021][ T3698] bridge0: port 1(bridge_slave_0) entered forwarding state [ 482.537029][ T7092] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 482.546833][ T7092] bridge0: port 2(bridge_slave_1) entered blocking state [ 482.553870][ T7092] bridge0: port 2(bridge_slave_1) entered forwarding state [ 482.562711][ T7092] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 482.583023][ T6881] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 482.593809][ T6881] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 482.609619][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 482.617903][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 482.627215][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 482.637397][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 482.654867][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 482.662330][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 482.670070][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 482.682580][ T6881] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 482.702163][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 482.723853][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 482.732470][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 482.740906][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 482.752137][ T6881] device veth0_vlan entered promiscuous mode [ 482.765407][ T6881] device veth1_vlan entered promiscuous mode [ 482.787796][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 482.796439][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 482.806225][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 482.818959][ T6881] device veth0_macvtap entered promiscuous mode [ 482.829556][ T6881] device veth1_macvtap entered promiscuous mode [ 482.849402][ T6881] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 482.857321][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 482.867949][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 482.880170][ T6881] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 482.888258][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 482.897337][ T2473] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 482.910859][ T6881] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 482.919780][ T6881] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 482.928883][ T6881] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 482.938554][ T6881] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 483.015853][ C1] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 636.734814][ T1176] INFO: task syz-executor323:7094 blocked for more than 143 seconds. [ 636.743039][ T1176] Not tainted 5.9.0-rc8-syzkaller #0 [ 636.749048][ T1176] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 636.757775][ T1176] task:syz-executor323 state:D stack:26144 pid: 7094 ppid: 6881 flags:0x00000004 [ 636.767116][ T1176] Call Trace: [ 636.770494][ T1176] __schedule+0xec9/0x2280 [ 636.774999][ T1176] ? io_schedule_timeout+0x140/0x140 [ 636.780330][ T1176] schedule+0xd0/0x2a0 [ 636.784382][ T1176] schedule_timeout+0x1d8/0x250 [ 636.789526][ T1176] ? usleep_range+0x170/0x170 [ 636.794282][ T1176] ? mark_held_locks+0x9f/0xe0 [ 636.799169][ T1176] ? _raw_spin_unlock_irq+0x1f/0x80 [ 636.804437][ T1176] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 636.810522][ T1176] ? _raw_spin_unlock_irq+0x1f/0x80 [ 636.816335][ T1176] wait_for_completion+0x163/0x260 [ 636.821446][ T1176] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 636.828040][ T1176] ? _raw_spin_unlock_irq+0x1f/0x80 [ 636.833246][ T1176] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 636.839736][ T1176] ? _raw_spin_unlock_irq+0x1f/0x80 [ 636.845056][ T1176] __flush_work+0x51f/0xac0 [ 636.849572][ T1176] ? queue_delayed_work_on+0x1d0/0x1d0 [ 636.856080][ T1176] ? debug_object_free+0x350/0x350 [ 636.861195][ T1176] ? flush_workqueue_prep_pwqs+0x510/0x510 [ 636.867107][ T1176] ? mark_held_locks+0x9f/0xe0 [ 636.871886][ T1176] ? __cancel_work_timer+0x5a1/0x6c0 [ 636.877282][ T1176] ? check_preemption_disabled+0x50/0x130 [ 636.883032][ T1176] __cancel_work_timer+0x5bd/0x6c0 [ 636.888227][ T1176] ? try_to_grab_pending.part.0+0x770/0x770 [ 636.894135][ T1176] ? lock_acquire+0x1f3/0xaf0 [ 636.903578][ T1176] ? __sock_release+0x86/0x280 [ 636.908473][ T1176] ? lock_release+0x8f0/0x8f0 [ 636.913203][ T1176] tls_sk_proto_close+0x4a7/0xaf0 [ 636.918312][ T1176] ? wait_on_pending_writer+0x3f0/0x3f0 [ 636.923929][ T1176] ? ip_mc_drop_socket+0x16/0x260 [ 636.929840][ T1176] inet_release+0x12e/0x280 [ 636.934376][ T1176] inet6_release+0x4c/0x70 [ 636.938859][ T1176] __sock_release+0xcd/0x280 [ 636.943470][ T1176] sock_close+0x18/0x20 [ 636.947718][ T1176] __fput+0x285/0x920 [ 636.951698][ T1176] ? __sock_release+0x280/0x280 [ 636.956638][ T1176] task_work_run+0xdd/0x190 [ 636.961163][ T1176] exit_to_user_mode_prepare+0x1e1/0x200 [ 636.966888][ T1176] syscall_exit_to_user_mode+0x7e/0x2e0 [ 636.972434][ T1176] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 636.978384][ T1176] RIP: 0033:0x403ad0 [ 636.982276][ T1176] Code: Bad RIP value. [ 636.987315][ T1176] RSP: 002b:00007fffc211e468 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 636.995981][ T1176] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000403ad0 [ 637.004656][ T1176] RDX: 00000000000000d8 RSI: 00000000200005c0 RDI: 0000000000000004 [ 637.012632][ T1176] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000000000d8 [ 637.020720][ T1176] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffc211e480 [ 637.028794][ T1176] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 637.037648][ T1176] [ 637.037648][ T1176] Showing all locks held in the system: [ 637.045488][ T1176] 3 locks held by kworker/0:0/5: [ 637.050417][ T1176] #0: ffff8880aa063d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x82b/0x1670 [ 637.060962][ T1176] #1: ffffc90000cbfda8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x85f/0x1670 [ 637.074106][ T1176] #2: ffff88808e9118d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 [ 637.083666][ T1176] 1 lock held by khungtaskd/1176: [ 637.088779][ T1176] #0: ffffffff8a068480 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 637.098721][ T1176] 2 locks held by in:imklog/6610: [ 637.103736][ T1176] #0: ffff88809d820430 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 637.112981][ T1176] #1: ffff8880ae535e98 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x287/0x2280 [ 637.122530][ T1176] 1 lock held by syz-executor323/7094: [ 637.128066][ T1176] #0: ffff8880858e2210 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 637.138664][ T1176] [ 637.140995][ T1176] ============================================= [ 637.140995][ T1176] [ 637.150286][ T1176] NMI backtrace for cpu 0 [ 637.154730][ T1176] CPU: 0 PID: 1176 Comm: khungtaskd Not tainted 5.9.0-rc8-syzkaller #0 [ 637.162961][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 637.173004][ T1176] Call Trace: [ 637.176372][ T1176] dump_stack+0x198/0x1fd [ 637.180687][ T1176] nmi_cpu_backtrace.cold+0x70/0xb1 [ 637.185864][ T1176] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 637.191476][ T1176] nmi_trigger_cpumask_backtrace+0x1b3/0x223 [ 637.198051][ T1176] watchdog+0xd7d/0x1000 [ 637.202286][ T1176] ? reset_hung_task_detector+0x30/0x30 [ 637.207809][ T1176] kthread+0x3b5/0x4a0 [ 637.211866][ T1176] ? __kthread_bind_mask+0xc0/0xc0 [ 637.216972][ T1176] ret_from_fork+0x1f/0x30 [ 637.221641][ T1176] Sending NMI from CPU 0 to CPUs 1: [ 637.227280][ C1] NMI backtrace for cpu 1 [ 637.227287][ C1] CPU: 1 PID: 3918 Comm: systemd-journal Not tainted 5.9.0-rc8-syzkaller #0 [ 637.227294][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 637.227298][ C1] RIP: 0010:rcu_read_lock_sched_held+0x20/0xb0 [ 637.227310][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 41 54 41 bc 01 00 00 00 e8 d3 50 d5 06 85 c0 75 06 44 89 e0 41 5c c3 e8 14 77 00 00 84 c0 74 69 8b 87 00 00 84 c0 74 60 be ff ff ff ff 48 c7 c7 c0 83 06 8a e8 [ 637.227314][ C1] RSP: 0018:ffffc900055e7ce8 EFLAGS: 00000202 [ 637.227323][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff815c208f [ 637.227328][ C1] RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8880ae536d60 [ 637.227334][ C1] RBP: 1ffff92000abcfa1 R08: 0000000000000000 R09: ffffffff8b5cd5cf [ 637.227339][ C1] R10: fffffbfff16b9ab9 R11: 0000000000000000 R12: 0000000000000001 [ 637.227345][ C1] R13: ffff8880a8e0b918 R14: ffffffff81c28452 R15: dffffc0000000000 [ 637.227351][ C1] FS: 00007f683a5538c0(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 637.227356][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 637.227361][ C1] CR2: 00007f68378fd000 CR3: 0000000094981000 CR4: 00000000001506e0 [ 637.227367][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 637.227372][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 637.227375][ C1] Call Trace: [ 637.227379][ C1] lock_release+0x6a1/0x8f0 [ 637.227383][ C1] ? lock_downgrade+0x830/0x830 [ 637.227387][ C1] ? lock_is_held_type+0xbb/0xf0 [ 637.227391][ C1] ? __put_unused_fd+0x13d/0x1f0 [ 637.227394][ C1] _raw_spin_unlock+0x12/0x40 [ 637.227398][ C1] do_sys_openat2+0x3c2/0x420 [ 637.227402][ C1] ? strncpy_from_user+0x2bf/0x3e0 [ 637.227406][ C1] ? build_open_flags+0x650/0x650 [ 637.227410][ C1] ? getname_flags.part.0+0x1dd/0x4f0 [ 637.227414][ C1] __x64_sys_open+0x119/0x1c0 [ 637.227418][ C1] ? do_sys_open+0x140/0x140 [ 637.227422][ C1] ? __secure_computing+0x104/0x360 [ 637.227426][ C1] do_syscall_64+0x2d/0x70 [ 637.227430][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 637.227434][ C1] RIP: 0033:0x7f6839ae3840 [ 637.227445][ C1] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 637.227449][ C1] RSP: 002b:00007ffdd9f0a918 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 637.227459][ C1] RAX: ffffffffffffffda RBX: 00007ffdd9f0ac20 RCX: 00007f6839ae3840 [ 637.227463][ C1] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000557c0d44e2b0 [ 637.227470][ C1] RBP: 000000000000000d R08: 000000000000c0c1 R09: 00000000ffffffff [ 637.227475][ C1] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 637.227481][ C1] R13: 0000557c0d441040 R14: 00007ffdd9f0abe0 R15: 0000557c0d44e0d0 [ 637.228171][ T1176] Kernel panic - not syncing: hung_task: blocked tasks [ 637.514048][ T1176] CPU: 0 PID: 1176 Comm: khungtaskd Not tainted 5.9.0-rc8-syzkaller #0 [ 637.522258][ T1176] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 637.532300][ T1176] Call Trace: [ 637.535602][ T1176] dump_stack+0x198/0x1fd [ 637.539923][ T1176] panic+0x382/0x7fb [ 637.543812][ T1176] ? __warn_printk+0xf3/0xf3 [ 637.548396][ T1176] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 637.554005][ T1176] ? preempt_schedule_thunk+0x16/0x18 [ 637.559371][ T1176] ? watchdog.cold+0x5/0x16b [ 637.563950][ T1176] ? watchdog+0xa82/0x1000 [ 637.568380][ T1176] watchdog.cold+0x16/0x16b [ 637.572878][ T1176] ? reset_hung_task_detector+0x30/0x30 [ 637.579197][ T1176] kthread+0x3b5/0x4a0 [ 637.583243][ T1176] ? __kthread_bind_mask+0xc0/0xc0 [ 637.588339][ T1176] ret_from_fork+0x1f/0x30 [ 637.593955][ T1176] Kernel Offset: disabled [ 637.598273][ T1176] Rebooting in 86400 seconds..