Warning: Permanently added '10.128.10.28' (ECDSA) to the list of known hosts. [ 300.591005][ T6838] IPVS: ftp: loaded support on port[0] = 21 [ 300.688457][ T6838] chnl_net:caif_netlink_parms(): no params data found [ 300.756614][ T6838] bridge0: port 1(bridge_slave_0) entered blocking state [ 300.764777][ T6838] bridge0: port 1(bridge_slave_0) entered disabled state [ 300.773408][ T6838] device bridge_slave_0 entered promiscuous mode [ 300.783283][ T6838] bridge0: port 2(bridge_slave_1) entered blocking state [ 300.790490][ T6838] bridge0: port 2(bridge_slave_1) entered disabled state [ 300.798836][ T6838] device bridge_slave_1 entered promiscuous mode [ 300.821419][ T6838] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 300.833384][ T6838] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 300.857098][ T6838] team0: Port device team_slave_0 added [ 300.865048][ T6838] team0: Port device team_slave_1 added [ 300.885409][ T6838] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 300.892495][ T6838] 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. [ 300.918664][ T6838] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 300.931997][ T6838] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 300.938964][ T6838] 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. [ 300.965039][ T6838] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 300.993521][ T6838] device hsr_slave_0 entered promiscuous mode [ 301.002712][ T6838] device hsr_slave_1 entered promiscuous mode [ 301.105489][ T6838] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 301.116800][ T6838] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 301.127193][ T6838] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 301.139205][ T6838] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 301.164871][ T6838] bridge0: port 2(bridge_slave_1) entered blocking state [ 301.172033][ T6838] bridge0: port 2(bridge_slave_1) entered forwarding state [ 301.179822][ T6838] bridge0: port 1(bridge_slave_0) entered blocking state [ 301.186964][ T6838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 301.236838][ T6838] 8021q: adding VLAN 0 to HW filter on device bond0 [ 301.250220][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 301.263272][ T2464] bridge0: port 1(bridge_slave_0) entered disabled state [ 301.271961][ T2464] bridge0: port 2(bridge_slave_1) entered disabled state [ 301.279943][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 301.294006][ T6838] 8021q: adding VLAN 0 to HW filter on device team0 [ 301.306429][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 301.316249][ T3121] bridge0: port 1(bridge_slave_0) entered blocking state [ 301.323375][ T3121] bridge0: port 1(bridge_slave_0) entered forwarding state [ 301.340975][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 301.349363][ T2464] bridge0: port 2(bridge_slave_1) entered blocking state [ 301.356489][ T2464] bridge0: port 2(bridge_slave_1) entered forwarding state [ 301.383723][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 301.393218][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 301.401949][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 301.410203][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 301.419653][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 301.430464][ T6838] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 301.452902][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 301.460503][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 301.478655][ T6838] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 301.497763][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 301.518741][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 301.527637][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 301.536969][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 301.549864][ T6838] device veth0_vlan entered promiscuous mode [ 301.562761][ T6838] device veth1_vlan entered promiscuous mode [ 301.585358][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 301.594478][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 301.603453][ T3121] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 301.615662][ T6838] device veth0_macvtap entered promiscuous mode [ 301.628148][ T6838] device veth1_macvtap entered promiscuous mode [ 301.648414][ T6838] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 301.656649][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 301.667092][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 301.679427][ T6838] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 301.687775][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready executing program [ 301.696465][ T2464] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 301.710252][ T6838] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.719268][ T6838] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.728109][ T6838] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.737041][ T6838] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.865231][ C0] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. [ 453.045037][ T1168] INFO: task syz-executor520:6838 blocked for more than 143 seconds. [ 453.053196][ T1168] Not tainted 5.9.0-rc3-syzkaller #0 [ 453.060724][ T1168] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 453.069460][ T1168] task:syz-executor520 state:D stack:23448 pid: 6838 ppid: 6837 flags:0x20020000 [ 453.078901][ T1168] Call Trace: [ 453.082294][ T1168] __schedule+0xea9/0x2230 [ 453.086814][ T1168] ? io_schedule_timeout+0x140/0x140 [ 453.092126][ T1168] schedule+0xd0/0x2a0 [ 453.096437][ T1168] schedule_timeout+0x1d8/0x250 [ 453.101310][ T1168] ? usleep_range+0x170/0x170 [ 453.106170][ T1168] ? mark_held_locks+0x9f/0xe0 [ 453.110950][ T1168] ? _raw_spin_unlock_irq+0x1f/0x80 [ 453.116327][ T1168] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 453.122332][ T1168] ? _raw_spin_unlock_irq+0x1f/0x80 [ 453.127770][ T1168] wait_for_completion+0x163/0x260 [ 453.132904][ T1168] ? wait_for_completion_interruptible+0x2e0/0x2e0 [ 453.139563][ T1168] ? _raw_spin_unlock_irq+0x1f/0x80 [ 453.144773][ T1168] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 453.150852][ T1168] ? _raw_spin_unlock_irq+0x1f/0x80 [ 453.157330][ T1168] __flush_work+0x51f/0xab0 [ 453.161857][ T1168] ? queue_delayed_work_on+0x1d0/0x1d0 [ 453.168271][ T1168] ? debug_object_free+0x350/0x350 [ 453.173378][ T1168] ? flush_workqueue_prep_pwqs+0x4f0/0x4f0 [ 453.179507][ T1168] ? mark_held_locks+0x9f/0xe0 [ 453.184280][ T1168] ? __cancel_work_timer+0x5a1/0x6c0 [ 453.190587][ T1168] ? check_preemption_disabled+0x50/0x130 [ 453.196439][ T1168] __cancel_work_timer+0x5bd/0x6c0 [ 453.201616][ T1168] ? get_max_files+0x10/0x10 [ 453.206292][ T1168] ? try_to_grab_pending.part.0+0x770/0x770 [ 453.212194][ T1168] ? lock_acquire+0x1f3/0xae0 [ 453.217182][ T1168] ? __sock_release+0x86/0x280 [ 453.221956][ T1168] ? lock_release+0x8f0/0x8f0 [ 453.226764][ T1168] tls_sk_proto_close+0x4a7/0xaf0 [ 453.231798][ T1168] ? wait_on_pending_writer+0x3f0/0x3f0 [ 453.237612][ T1168] ? ip_mc_drop_socket+0x16/0x260 [ 453.242653][ T1168] inet_release+0x12e/0x280 [ 453.247283][ T1168] inet6_release+0x4c/0x70 [ 453.251798][ T1168] __sock_release+0xcd/0x280 [ 453.256526][ T1168] sock_close+0x18/0x20 [ 453.260680][ T1168] __fput+0x285/0x920 [ 453.264645][ T1168] ? __sock_release+0x280/0x280 [ 453.269557][ T1168] task_work_run+0xdd/0x190 [ 453.274561][ T1168] exit_to_user_mode_prepare+0x1e1/0x200 [ 453.281149][ T1168] syscall_exit_to_user_mode+0x7e/0x2e0 [ 453.286849][ T1168] __do_fast_syscall_32+0x63/0x80 [ 453.291882][ T1168] do_fast_syscall_32+0x2f/0x70 [ 453.296857][ T1168] entry_SYSENTER_compat_after_hwframe+0x4d/0x5c [ 453.303181][ T1168] RIP: 0023:0xf7f2f549 [ 453.307309][ T1168] Code: Bad RIP value. [ 453.311370][ T1168] RSP: 002b:00000000ff9f902c EFLAGS: 00000246 ORIG_RAX: 0000000000000006 [ 453.320841][ T1168] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00000000200005c0 [ 453.328911][ T1168] RDX: 0000000000000005 RSI: 00000000080c49db RDI: 000000002000011c [ 453.337016][ T1168] RBP: 00000000ff9f90e8 R08: 0000000000000000 R09: 0000000000000000 [ 453.345049][ T1168] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 453.353020][ T1168] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 453.361109][ T1168] [ 453.361109][ T1168] Showing all locks held in the system: [ 453.369183][ T1168] 3 locks held by kworker/1:0/17: [ 453.374207][ T1168] #0: ffff8880ae735e18 (&rq->lock){-.-.}-{2:2}, at: newidle_balance+0x77f/0xe30 [ 453.383439][ T1168] #1: ffffffff89bd6a40 (rcu_read_lock){....}-{1:2}, at: __update_idle_core+0x39/0x3e0 [ 453.393880][ T1168] #2: ffffffff8cbf0938 (&obj_hash[i].lock){-.-.}-{2:2}, at: debug_check_no_obj_freed+0xc7/0x41c [ 453.404501][ T1168] 1 lock held by khungtaskd/1168: [ 453.409612][ T1168] #0: ffffffff89bd6a40 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 453.419529][ T1168] 3 locks held by kworker/0:2/2587: [ 453.424723][ T1168] #0: ffff8880aa063d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x82b/0x1670 [ 453.435223][ T1168] #1: ffffc9000887fda8 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x85f/0x1670 [ 453.449291][ T1168] #2: ffff8880a785e8d8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 [ 453.459004][ T1168] 1 lock held by syz-executor520/6838: [ 453.464456][ T1168] #0: ffff8880854c5c90 (&sb->s_type->i_mutex_key#13){+.+.}-{3:3}, at: __sock_release+0x86/0x280 [ 453.475243][ T1168] [ 453.477575][ T1168] ============================================= [ 453.477575][ T1168] [ 453.486088][ T1168] NMI backtrace for cpu 0 [ 453.490412][ T1168] CPU: 0 PID: 1168 Comm: khungtaskd Not tainted 5.9.0-rc3-syzkaller #0 [ 453.498620][ T1168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.508665][ T1168] Call Trace: [ 453.512134][ T1168] dump_stack+0x198/0x1fd [ 453.516490][ T1168] nmi_cpu_backtrace.cold+0x70/0xb1 [ 453.521729][ T1168] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 453.527345][ T1168] nmi_trigger_cpumask_backtrace+0x1b3/0x223 [ 453.533370][ T1168] watchdog+0xd7d/0x1000 [ 453.537607][ T1168] ? reset_hung_task_detector+0x30/0x30 [ 453.543135][ T1168] kthread+0x3b5/0x4a0 [ 453.547188][ T1168] ? __kthread_bind_mask+0xc0/0xc0 [ 453.552312][ T1168] ret_from_fork+0x1f/0x30 [ 453.556948][ T1168] Sending NMI from CPU 0 to CPUs 1: [ 453.562621][ C1] NMI backtrace for cpu 1 [ 453.562627][ C1] CPU: 1 PID: 3903 Comm: systemd-journal Not tainted 5.9.0-rc3-syzkaller #0 [ 453.562634][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.562638][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x2a/0x60 [ 453.562650][ C1] Code: 65 48 8b 14 25 c0 fe 01 00 65 8b 05 70 b3 8d 7e a9 00 01 ff 00 48 8b 34 24 74 0f f6 c4 01 74 35 8b 82 24 14 00 00 85 c0 74 2b <8b> 82 00 14 00 00 83 f8 02 75 20 48 8b 8a 08 14 00 00 8b 92 04 14 [ 453.562655][ C1] RSP: 0018:ffffc900015b7c88 EFLAGS: 00000046 [ 453.562662][ C1] RAX: 0000000080000000 RBX: ffff8880918c4400 RCX: ffffffff8134b926 [ 453.562668][ C1] RDX: ffff8880a92b8380 RSI: ffffffff8134b93a RDI: 0000000000000006 [ 453.562673][ C1] RBP: ffff8881118c4400 R08: 0000000000000001 R09: 0000000000000001 [ 453.562678][ C1] R10: ffff8880918c4400 R11: 0000000000000000 R12: 0000778000000000 [ 453.562683][ C1] R13: ffffea0002463100 R14: 0000000000000200 R15: dffffc0000000000 [ 453.562689][ C1] FS: 00007eff162218c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 453.562693][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 453.562699][ C1] CR2: 00007eff135ca000 CR3: 00000000937df000 CR4: 00000000001506e0 [ 453.562704][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 453.562709][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 453.562711][ C1] Call Trace: [ 453.562715][ C1] __phys_addr+0x3a/0x110 [ 453.562718][ C1] ___cache_free+0x3b5/0x730 [ 453.562722][ C1] ? lockdep_hardirqs_off+0x96/0xd0 [ 453.562725][ C1] qlist_free_all+0x98/0x170 [ 453.562735][ C1] quarantine_reduce+0x17e/0x200 [ 453.562739][ C1] __kasan_kmalloc.constprop.0+0x9e/0xd0 [ 453.562742][ C1] ? kmem_cache_alloc+0x269/0x3a0 [ 453.562746][ C1] kmem_cache_alloc+0x13a/0x3a0 [ 453.562749][ C1] getname_flags.part.0+0x50/0x4f0 [ 453.562752][ C1] getname_flags+0x9a/0xe0 [ 453.562755][ C1] do_mkdirat+0x8d/0x2d0 [ 453.562759][ C1] ? user_path_create+0xf0/0xf0 [ 453.562763][ C1] ? __secure_computing+0x104/0x360 [ 453.562766][ C1] do_syscall_64+0x2d/0x70 [ 453.562770][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 453.562773][ C1] RIP: 0033:0x7eff154dd687 [ 453.562785][ 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 [ 453.562788][ C1] RSP: 002b:00007ffc9928be38 EFLAGS: 00000293 ORIG_RAX: 0000000000000053 [ 453.562797][ C1] RAX: ffffffffffffffda RBX: 00007ffc9928ed50 RCX: 00007eff154dd687 [ 453.562803][ C1] RDX: 00007eff15f4ea00 RSI: 00000000000001ed RDI: 0000555d7a8d58a0 [ 453.562808][ C1] RBP: 00007ffc9928be70 R08: 0000000000000000 R09: 0000000000000000 [ 453.562813][ C1] R10: 0000000000000069 R11: 0000000000000293 R12: 0000000000000000 [ 453.562818][ C1] R13: 0000000000000000 R14: 00007ffc9928ed50 R15: 00007ffc9928c360 [ 453.563977][ T1168] Kernel panic - not syncing: hung_task: blocked tasks [ 453.852212][ T1168] CPU: 0 PID: 1168 Comm: khungtaskd Not tainted 5.9.0-rc3-syzkaller #0 [ 453.860423][ T1168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.870456][ T1168] Call Trace: [ 453.873730][ T1168] dump_stack+0x198/0x1fd [ 453.878088][ T1168] panic+0x347/0x7c0 [ 453.881968][ T1168] ? __warn_printk+0xf3/0xf3 [ 453.886559][ T1168] ? lapic_can_unplug_cpu.cold+0x38/0x38 [ 453.892164][ T1168] ? preempt_schedule_thunk+0x16/0x18 [ 453.897597][ T1168] ? watchdog.cold+0x5/0x16b [ 453.902158][ T1168] ? watchdog+0xa82/0x1000 [ 453.906551][ T1168] watchdog.cold+0x16/0x16b [ 453.911034][ T1168] ? reset_hung_task_detector+0x30/0x30 [ 453.916557][ T1168] kthread+0x3b5/0x4a0 [ 453.920598][ T1168] ? __kthread_bind_mask+0xc0/0xc0 [ 453.925683][ T1168] ret_from_fork+0x1f/0x30 [ 453.931707][ T1168] Kernel Offset: disabled [ 453.936040][ T1168] Rebooting in 86400 seconds..