Warning: Permanently added '10.128.0.122' (ECDSA) to the list of known hosts. [ 297.408753][ T6851] IPVS: ftp: loaded support on port[0] = 21 [ 297.494483][ T6851] chnl_net:caif_netlink_parms(): no params data found [ 297.544954][ T6851] bridge0: port 1(bridge_slave_0) entered blocking state [ 297.553689][ T6851] bridge0: port 1(bridge_slave_0) entered disabled state [ 297.562750][ T6851] device bridge_slave_0 entered promiscuous mode [ 297.571717][ T6851] bridge0: port 2(bridge_slave_1) entered blocking state [ 297.578931][ T6851] bridge0: port 2(bridge_slave_1) entered disabled state [ 297.586576][ T6851] device bridge_slave_1 entered promiscuous mode [ 297.606285][ T6851] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 297.617112][ T6851] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 297.639117][ T6851] team0: Port device team_slave_0 added [ 297.646761][ T6851] team0: Port device team_slave_1 added [ 297.664390][ T6851] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 297.671444][ T6851] 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. [ 297.697441][ T6851] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 297.709727][ T6851] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 297.716671][ T6851] 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. [ 297.742698][ T6851] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 297.768982][ T6851] device hsr_slave_0 entered promiscuous mode [ 297.775591][ T6851] device hsr_slave_1 entered promiscuous mode [ 297.868242][ T6851] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 297.878198][ T6851] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 297.887979][ T6851] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 297.896620][ T6851] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 297.921049][ T6851] bridge0: port 2(bridge_slave_1) entered blocking state [ 297.928227][ T6851] bridge0: port 2(bridge_slave_1) entered forwarding state [ 297.935797][ T6851] bridge0: port 1(bridge_slave_0) entered blocking state [ 297.942916][ T6851] bridge0: port 1(bridge_slave_0) entered forwarding state [ 297.986120][ T6851] 8021q: adding VLAN 0 to HW filter on device bond0 [ 298.000931][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 298.011460][ T2586] bridge0: port 1(bridge_slave_0) entered disabled state [ 298.020403][ T2586] bridge0: port 2(bridge_slave_1) entered disabled state [ 298.028887][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 298.041942][ T6851] 8021q: adding VLAN 0 to HW filter on device team0 [ 298.053063][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 298.062021][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 298.069148][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 298.091118][ T7059] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 298.100505][ T7059] bridge0: port 2(bridge_slave_1) entered blocking state [ 298.107608][ T7059] bridge0: port 2(bridge_slave_1) entered forwarding state [ 298.115801][ T7059] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 298.134352][ T6851] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 298.144985][ T6851] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 298.158833][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 298.166702][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 298.175410][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 298.185459][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 298.197069][ T7060] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 298.214494][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 298.222268][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 298.236079][ T6851] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 298.254986][ T7060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 298.273826][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 298.282827][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 298.291176][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 298.301822][ T6851] device veth0_vlan entered promiscuous mode [ 298.314246][ T6851] device veth1_vlan entered promiscuous mode [ 298.335368][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 298.343951][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 298.352622][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 298.363906][ T6851] device veth0_macvtap entered promiscuous mode [ 298.373761][ T6851] device veth1_macvtap entered promiscuous mode [ 298.392580][ T6851] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 298.400352][ T7060] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 298.410607][ T7060] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 298.422507][ T6851] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 298.430359][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 298.442246][ T6851] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 298.452385][ T6851] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 298.461262][ T6851] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 298.470289][ T6851] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 298.559131][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 452.547787][ T1168] INFO: task syz-executor791:6851 blocked for more than 143 seconds. [ 452.556014][ T1168] Not tainted 5.9.0-rc1-syzkaller #0 [ 452.562856][ T1168] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 452.571912][ T1168] task:syz-executor791 state:D stack:23912 pid: 6851 ppid: 6850 flags:0x00004000 [ 452.581917][ T1168] Call Trace: [ 452.585426][ T1168] __schedule+0x8e5/0x21e0 [ 452.589903][ T1168] ? io_schedule_timeout+0x140/0x140 [ 452.595264][ T1168] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 452.601977][ T1168] ? mark_held_locks+0x9f/0xe0 [ 452.606753][ T1168] schedule+0xd0/0x2a0 [ 452.611579][ T1168] schedule_timeout+0x1d8/0x250 [ 452.616422][ T1168] ? usleep_range+0x170/0x170 [ 452.621693][ T1168] ? mark_held_locks+0x9f/0xe0 [ 452.626570][ T1168] ? _raw_spin_unlock_irq+0x1f/0x80 [ 452.632524][ T1168] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 452.639017][ T1168] ? trace_hardirqs_on+0x5f/0x220 [ 452.644031][ T1168] wait_for_completion+0x163/0x260 [ 452.649846][ T1168] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 452.656397][ T1168] ? lockdep_hardirqs_off+0x89/0xc0 [ 452.662697][ T1168] __flush_work+0x51f/0xab0 [ 452.667188][ T1168] ? queue_work_node+0x370/0x370 [ 452.672797][ T1168] ? debug_object_init_on_stack+0x20/0x20 [ 452.678903][ T1168] ? flush_workqueue_prep_pwqs+0x4f0/0x4f0 [ 452.684704][ T1168] ? mark_held_locks+0x9f/0xe0 [ 452.690052][ T1168] ? __cancel_work_timer+0x516/0x700 [ 452.695327][ T1168] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 452.701889][ T1168] __cancel_work_timer+0x5de/0x700 [ 452.706989][ T1168] ? try_to_grab_pending.part.0+0x7d0/0x7d0 [ 452.717112][ T1168] ? lock_acquire+0x1f1/0xad0 [ 452.722276][ T1168] ? __sock_release+0x86/0x280 [ 452.727028][ T1168] ? lock_release+0x8e0/0x8e0 [ 452.733034][ T1168] tls_sk_proto_close+0x4a7/0xaf0 [ 452.738503][ T1168] ? wait_on_pending_writer+0x3f0/0x3f0 [ 452.744099][ T1168] ? ip_mc_drop_socket+0x16/0x260 [ 452.749769][ T1168] inet_release+0x12e/0x280 [ 452.754284][ T1168] inet6_release+0x4c/0x70 [ 452.759318][ T1168] __sock_release+0xcd/0x280 [ 452.763896][ T1168] sock_close+0x18/0x20 [ 452.769140][ T1168] __fput+0x285/0x920 [ 452.773110][ T1168] ? __sock_release+0x280/0x280 [ 452.778761][ T1168] task_work_run+0xdd/0x190 [ 452.783330][ T1168] exit_to_user_mode_prepare+0x195/0x1c0 [ 452.789556][ T1168] syscall_exit_to_user_mode+0x59/0x2b0 [ 452.795090][ T1168] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 452.801682][ T1168] RIP: 0033:0x403950 [ 452.805564][ T1168] Code: Bad RIP value. [ 452.810207][ T1168] RSP: 002b:00007ffec89feff8 EFLAGS: 00000246 ORIG_RAX: 0000000000000003 [ 452.819150][ T1168] RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000403950 [ 452.827113][ T1168] RDX: 00000000000000d8 RSI: 00000000200005c0 RDI: 0000000000000004 [ 452.835742][ T1168] RBP: 00007ffec89ff000 R08: 0000000000000000 R09: 00000000000000d8 [ 452.844131][ T1168] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffec89ff010 [ 452.852487][ T1168] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 452.860895][ T1168] [ 452.860895][ T1168] Showing all locks held in the system: [ 452.869085][ T1168] 1 lock held by khungtaskd/1168: [ 452.874085][ T1168] #0: ffffffff89bd6900 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 452.885125][ T1168] 1 lock held by in:imklog/6523: [ 452.890459][ T1168] #0: ffff8880a2ca4af0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 452.900041][ T1168] 1 lock held by syz-executor791/6851: [ 452.905476][ T1168] #0: ffff888089a91210 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 452.917124][ T1168] 3 locks held by kworker/0:4/7060: [ 452.922691][ T1168] #0: ffff8880aa063d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x82b/0x1670 [ 452.933386][ T1168] #1: ffffc900060b7da8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x85f/0x1670 [ 452.946785][ T1168] #2: ffff88808f5ff8d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 [ 452.956784][ T1168] [ 452.959972][ T1168] ============================================= [ 452.959972][ T1168] [ 452.968870][ T1168] NMI backtrace for cpu 0 [ 452.973186][ T1168] CPU: 0 PID: 1168 Comm: khungtaskd Not tainted 5.9.0-rc1-syzkaller #0 [ 452.981402][ T1168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 452.991473][ T1168] Call Trace: [ 452.994789][ T1168] dump_stack+0x18f/0x20d [ 452.999133][ T1168] nmi_cpu_backtrace.cold+0x70/0xb1 [ 453.004364][ T1168] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 453.009975][ T1168] nmi_trigger_cpumask_backtrace+0x1b3/0x223 [ 453.015964][ T1168] watchdog+0xd7d/0x1000 [ 453.020187][ T1168] ? reset_hung_task_detector+0x30/0x30 [ 453.025737][ T1168] kthread+0x3b5/0x4a0 [ 453.029782][ T1168] ? __kthread_bind_mask+0xc0/0xc0 [ 453.034865][ T1168] ? __kthread_bind_mask+0xc0/0xc0 [ 453.040019][ T1168] ret_from_fork+0x1f/0x30 [ 453.044569][ T1168] Sending NMI from CPU 0 to CPUs 1: [ 453.050243][ C1] NMI backtrace for cpu 1 [ 453.050249][ C1] CPU: 1 PID: 3895 Comm: systemd-journal Not tainted 5.9.0-rc1-syzkaller #0 [ 453.050255][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.050259][ C1] RIP: 0010:lock_acquire+0x1dc/0xad0 [ 453.050270][ C1] Code: a3 15 60 ce 57 09 0f 82 00 02 00 00 4c 8b 4c 24 08 41 89 d8 6a 00 44 89 f2 6a 00 4c 89 ef 44 89 e1 89 ee ff b4 24 08 01 00 00 74 24 18 49 c1 e9 09 49 83 f1 01 41 83 e1 01 e8 8f 91 ff ff 48 [ 453.050274][ C1] RSP: 0018:ffffc90003f07c60 EFLAGS: 00000086 [ 453.050281][ C1] RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000 [ 453.050286][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff89c85a40 [ 453.050291][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000286 [ 453.050296][ C1] R10: fffffbfff1564759 R11: 0000000000000000 R12: 0000000000000000 [ 453.050300][ C1] R13: ffffffff89c85a40 R14: 0000000000000000 R15: ffff8880932f8200 [ 453.050306][ C1] FS: 00007f0cba8338c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 453.050310][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 453.050315][ C1] CR2: 00007f0cb7bdc018 CR3: 00000000933bc000 CR4: 00000000001506e0 [ 453.050320][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 453.050325][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 453.050327][ C1] Call Trace: [ 453.050331][ C1] ? fs_reclaim_acquire+0xa1/0xf0 [ 453.050334][ C1] ? lock_release+0x8e0/0x8e0 [ 453.050337][ C1] ? lock_downgrade+0x830/0x830 [ 453.050341][ C1] fs_reclaim_acquire+0xc1/0xf0 [ 453.050344][ C1] ? fs_reclaim_acquire+0xa1/0xf0 [ 453.050348][ C1] slab_pre_alloc_hook.constprop.0+0x20/0x1f0 [ 453.050351][ C1] kmem_cache_alloc+0x46/0x3a0 [ 453.050355][ C1] ? seccomp_notify_ioctl+0xd90/0xd90 [ 453.050358][ C1] getname_flags.part.0+0x50/0x4f0 [ 453.050361][ C1] getname_flags+0x9a/0xe0 [ 453.050364][ C1] do_mkdirat+0x8d/0x2d0 [ 453.050367][ C1] ? user_path_create+0xf0/0xf0 [ 453.050371][ C1] ? __secure_computing+0x104/0x360 [ 453.050374][ C1] do_syscall_64+0x2d/0x70 [ 453.050378][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 453.050381][ C1] RIP: 0033:0x7f0cb9aef687 [ 453.050392][ C1] Code: 00 b8 ff ff ff ff c3 0f 1f 40 00 48 8b 05 09 d8 2b 00 64 c7 00 5f 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 d7 2b 00 f7 d8 64 89 01 48 [ 453.050396][ C1] RSP: 002b:00007ffcf3a81f08 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 [ 453.050404][ C1] RAX: ffffffffffffffda RBX: 00007ffcf3a84f70 RCX: 00007f0cb9aef687 [ 453.050409][ C1] RDX: 0000000000000000 RSI: 00000000000001ed RDI: 000055f7698308a0 [ 453.050414][ C1] RBP: 00007ffcf3a81f40 R08: 000055f7691fe3e5 R09: 0000000000000018 [ 453.050419][ C1] R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 [ 453.050424][ C1] R13: 0000000000000001 R14: 000055f7698308a0 R15: 00007ffcf3a82580 [ 453.051462][ T1168] Kernel panic - not syncing: hung_task: blocked tasks [ 453.340115][ T1168] CPU: 0 PID: 1168 Comm: khungtaskd Not tainted 5.9.0-rc1-syzkaller #0 [ 453.348345][ T1168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.358501][ T1168] Call Trace: [ 453.361808][ T1168] dump_stack+0x18f/0x20d [ 453.366196][ T1168] panic+0x2e3/0x75c [ 453.370156][ T1168] ? __warn_printk+0xf3/0xf3 [ 453.374726][ T1168] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 453.380338][ T1168] ? preempt_schedule_thunk+0x16/0x18 [ 453.386396][ T1168] ? watchdog.cold+0x5/0x16b [ 453.390963][ T1168] ? watchdog+0xa82/0x1000 [ 453.395355][ T1168] watchdog.cold+0x16/0x16b [ 453.399853][ T1168] ? reset_hung_task_detector+0x30/0x30 [ 453.405375][ T1168] kthread+0x3b5/0x4a0 [ 453.409440][ T1168] ? __kthread_bind_mask+0xc0/0xc0 [ 453.414553][ T1168] ? __kthread_bind_mask+0xc0/0xc0 [ 453.419748][ T1168] ret_from_fork+0x1f/0x30 [ 453.425849][ T1168] Kernel Offset: disabled [ 453.430174][ T1168] Rebooting in 86400 seconds..