INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts. syzkaller login: [ 28.988846] IPVS: ftp: loaded support on port[0] = 21 [ 28.990628] IPVS: ftp: loaded support on port[0] = 21 [ 28.996863] IPVS: ftp: loaded support on port[0] = 21 [ 29.001620] IPVS: ftp: loaded support on port[0] = 21 [ 29.007637] IPVS: ftp: loaded support on port[0] = 21 [ 29.010983] IPVS: ftp: loaded support on port[0] = 21 [ 29.017729] IPVS: ftp: loaded support on port[0] = 21 [ 29.022854] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 30.083190] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available [ 30.153720] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.168170] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.191746] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 30.210126] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.224326] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.231978] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 30.247854] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 32.055209] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.061415] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.232582] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.238793] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.250076] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.256186] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.266096] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.272253] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.287993] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.294251] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.364883] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.371058] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.379622] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.395756] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.401888] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.489940] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.505709] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.517982] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.529648] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 32.535786] 8021q: adding VLAN 0 to HW filter on device bond0 [ 32.580484] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.591746] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.640682] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.647051] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.659134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.724763] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.737413] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.744838] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.751184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.761215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.774173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.785556] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.800477] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.818514] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.841238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.865704] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.872580] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.884310] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 32.897334] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 32.920625] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 32.926776] 8021q: adding VLAN 0 to HW filter on device team0 executing program executing program [ 32.958150] protocol 8847 is buggy, dev sit0 [ 32.962852] ================================================================== [ 32.970329] BUG: KASAN: use-after-free in iptunnel_handle_offloads+0x62b/0x710 [ 32.977691] Read of size 2 at addr ffff8801bf8c85c4 by task syzkaller240200/4434 [ 32.979979] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 32.985212] [ 32.985231] CPU: 1 PID: 4434 Comm: syzkaller240200 Not tainted 4.16.0+ #4 [ 32.985238] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.985244] Call Trace: [ 32.985264] dump_stack+0x1b9/0x294 [ 32.985281] ? dump_stack_print_info.cold.2+0x52/0x52 [ 32.991474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 32.992936] ? printk+0x9e/0xba [ 32.992951] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 32.992967] ? kasan_check_write+0x14/0x20 [ 32.992984] print_address_description+0x6c/0x20b [ 33.004094] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.009240] ? iptunnel_handle_offloads+0x62b/0x710 executing program executing program [ 33.009259] kasan_report.cold.7+0xac/0x2f5 [ 33.009276] __asan_report_load2_noabort+0x14/0x20 [ 33.037692] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 33.039341] iptunnel_handle_offloads+0x62b/0x710 [ 33.039358] ? iptunnel_metadata_reply+0x380/0x380 [ 33.039377] ? graph_lock+0x170/0x170 [ 33.044238] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.050680] ? packet_cached_dev_get+0x330/0x330 [ 33.050693] ? retint_kernel+0x10/0x10 [ 33.050712] sit_tunnel_xmit__+0x2a/0x160 [ 33.064320] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready executing program executing program executing program executing program executing program executing program [ 33.064926] sit_tunnel_xmit+0x1275/0x30b0 [ 33.070999] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.075786] ? find_held_lock+0x36/0x1c0 [ 33.075809] ? ipip6_rcv+0x1d30/0x1d30 [ 33.085132] protocol 8847 is buggy, dev sit0 [ 33.090378] ? lock_downgrade+0x8e0/0x8e0 [ 33.090396] ? vprintk_default+0x28/0x30 [ 33.096103] protocol 8847 is buggy, dev sit0 [ 33.099008] ? vprintk_func+0x81/0xe7 [ 33.099026] ? kasan_check_read+0x11/0x20 [ 33.099041] ? rcu_is_watching+0x85/0x140 executing program [ 33.107998] protocol 8847 is buggy, dev sit0 [ 33.109210] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 33.109227] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 33.114312] protocol 8847 is buggy, dev sit0 [ 33.119366] ? is_bpf_text_address+0xd7/0x170 [ 33.119386] ? graph_lock+0x170/0x170 [ 33.124814] protocol 8847 is buggy, dev sit0 [ 33.127299] ? dev_queue_xmit_nit+0x8ec/0xb90 [ 33.127325] ? __lock_is_held+0xb5/0x140 [ 33.136099] protocol 8847 is buggy, dev sit0 [ 33.139890] dev_hard_start_xmit+0x264/0xc10 [ 33.139909] ? validate_xmit_skb_list+0x120/0x120 [ 33.145277] protocol 8847 is buggy, dev sit0 [ 33.148124] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.148144] ? netif_skb_features+0x696/0xa60 [ 33.148164] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 33.157323] protocol 8847 is buggy, dev sit0 [ 33.160809] ? lock_acquire+0x1dc/0x520 [ 33.160833] ? validate_xmit_skb+0x704/0xd90 [ 33.169192] protocol 8847 is buggy, dev sit0 [ 33.170741] ? netif_skb_features+0xa60/0xa60 [ 33.170762] __dev_queue_xmit+0x2724/0x34c0 [ 33.255021] ? netdev_pick_tx+0x2d0/0x2d0 [ 33.259182] ? debug_check_no_locks_freed+0x310/0x310 [ 33.264392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.269938] ? refcount_add_not_zero+0x216/0x320 [ 33.274708] ? refcount_dec_if_one+0x170/0x170 [ 33.279299] ? alloc_skb_with_frags+0x4fe/0x760 [ 33.283971] ? check_same_owner+0x320/0x320 [ 33.288309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 33.293853] ? refcount_add+0x2f/0x70 [ 33.297661] ? skb_set_owner_w+0x24e/0x360 [ 33.301902] ? sock_alloc_send_pskb+0x7d1/0xae0 [ 33.306585] ? sock_wmalloc+0x1e0/0x1e0 [ 33.310167] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 33.310564] ? lock_downgrade+0x8e0/0x8e0 [ 33.316770] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 33.320741] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.320755] ? cap_capable+0x1f9/0x260 [ 33.320773] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.320787] ? security_capable+0xa4/0xd0 [ 33.320807] dev_queue_xmit+0x17/0x20 [ 33.320819] ? dev_queue_xmit+0x17/0x20 [ 33.320842] packet_sendmsg+0x411d/0x6100 [ 33.343061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 33.346360] ? debug_check_no_locks_freed+0x310/0x310 [ 33.346375] ? __lock_acquire+0x7f5/0x5130 [ 33.346395] ? is_bpf_text_address+0xd7/0x170 [ 33.378628] ? kernel_text_address+0x79/0xf0 [ 33.383061] ? packet_getname+0x5e0/0x5e0 [ 33.387729] ? save_stack+0xa9/0xd0 [ 33.391359] ? save_stack+0x43/0xd0 [ 33.394984] ? kasan_kmalloc+0xc4/0xe0 [ 33.398871] ? kasan_slab_alloc+0x12/0x20 [ 33.403018] ? kmem_cache_alloc+0x12e/0x760 [ 33.407338] ? get_empty_filp+0x125/0x520 [ 33.411484] ? alloc_file+0x24/0x3e0 [ 33.415203] ? sock_alloc_file+0x1f3/0x4e0 [ 33.419443] ? __sys_socket+0x16f/0x250 [ 33.423415] ? SyS_socket+0x24/0x30 [ 33.427039] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 33.432404] ? graph_lock+0x170/0x170 [ 33.436214] ? find_held_lock+0x36/0x1c0 [ 33.440287] ? find_held_lock+0x36/0x1c0 [ 33.444360] ? lock_downgrade+0x8e0/0x8e0 [ 33.448515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.454052] ? lock_release+0xa10/0xa10 [ 33.458029] ? check_same_owner+0x320/0x320 [ 33.462350] ? __check_object_size+0x95/0x5d9 [ 33.466860] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.472401] ? security_socket_sendmsg+0x9b/0xd0 [ 33.477158] ? packet_getname+0x5e0/0x5e0 [ 33.481312] sock_sendmsg+0xd5/0x120 [ 33.485031] __sys_sendto+0x3d7/0x670 [ 33.488835] ? SyS_getpeername+0x30/0x30 [ 33.492899] ? __fd_install+0x2de/0x880 [ 33.496873] ? get_unused_fd_flags+0x190/0x190 [ 33.501455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 33.506991] ? alloc_file+0x44/0x3e0 [ 33.510712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 33.516248] ? sock_alloc_file+0x2a4/0x4e0 [ 33.520490] ? __alloc_fd+0x6e0/0x6e0 [ 33.524295] ? fd_install+0x4d/0x60 [ 33.527927] ? __sys_socket+0x19f/0x250 [ 33.531908] ? move_addr_to_kernel+0x70/0x70 [ 33.536315] ? mm_fault_error+0x380/0x380 [ 33.540463] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 33.545306] SyS_sendto+0x40/0x60 [ 33.548762] ? __sys_sendto+0x670/0x670 [ 33.548955] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 33.552737] do_syscall_64+0x29e/0x9d0 [ 33.552748] ? vmalloc_sync_all+0x30/0x30 [ 33.552758] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.552770] ? syscall_return_slowpath+0x5c0/0x5c0 [ 33.552780] ? syscall_return_slowpath+0x30f/0x5c0 [ 33.552795] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 33.552807] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.552820] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 33.552829] RIP: 0033:0x441909 [ 33.552834] RSP: 002b:00007fffda4e37e8 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 33.552845] RAX: ffffffffffffffda RBX: 000000000000001b RCX: 0000000000441909 [ 33.552851] RDX: 0000000000000000 RSI: 0000000020003fd9 RDI: 0000000000000004 [ 33.552856] RBP: 00000000004a3518 R08: 0000000020000000 R09: 000000000000001c [ 33.552862] R10: 0000000000000000 R11: 0000000000000212 R12: 00007fffda4e38e8 [ 33.552867] R13: 00000000004025e0 R14: 0000000000000000 R15: 0000000000000000 [ 33.552879] [ 33.552884] Allocated by task 4434: [ 33.552896] save_stack+0x43/0xd0 [ 33.552904] kasan_kmalloc+0xc4/0xe0 [ 33.552916] __kmalloc_node_track_caller+0x47/0x70 [ 33.552929] __kmalloc_reserve.isra.38+0x3a/0xe0 [ 33.552938] __alloc_skb+0x14d/0x780 [ 33.552946] alloc_skb_with_frags+0x137/0x760 [ 33.552954] sock_alloc_send_pskb+0x87a/0xae0 [ 33.552967] packet_sendmsg+0x1bd1/0x6100 [ 33.552977] sock_sendmsg+0xd5/0x120 [ 33.552984] __sys_sendto+0x3d7/0x670 [ 33.552991] SyS_sendto+0x40/0x60 [ 33.553000] do_syscall_64+0x29e/0x9d0 [ 33.553008] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 33.553010] [ 33.553014] Freed by task 4434: [ 33.553021] save_stack+0x43/0xd0 [ 33.553029] __kasan_slab_free+0x11a/0x170 [ 33.553037] kasan_slab_free+0xe/0x10 [ 33.553044] kfree+0xd9/0x260 [ 33.553052] skb_free_head+0x99/0xc0 [ 33.553060] skb_release_data+0x690/0x860 [ 33.553069] skb_release_all+0x4a/0x60 [ 33.553075] consume_skb+0x18b/0x550 [ 33.553084] packet_rcv+0x16a/0x1830 [ 33.553093] dev_queue_xmit_nit+0x891/0xb90 [ 33.553112] dev_hard_start_xmit+0x16b/0xc10 [ 33.553121] __dev_queue_xmit+0x2724/0x34c0 [ 33.553128] dev_queue_xmit+0x17/0x20 [ 33.553136] packet_sendmsg+0x411d/0x6100 [ 33.553145] sock_sendmsg+0xd5/0x120 [ 33.553151] __sys_sendto+0x3d7/0x670 [ 33.553158] SyS_sendto+0x40/0x60 [ 33.553167] do_syscall_64+0x29e/0x9d0 [ 33.553176] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 33.553178] [ 33.553186] The buggy address belongs to the object at ffff8801bf8c8500 [ 33.553186] which belongs to the cache kmalloc-512 of size 512 [ 33.553194] The buggy address is located 196 bytes inside of [ 33.553194] 512-byte region [ffff8801bf8c8500, ffff8801bf8c8700) [ 33.553197] The buggy address belongs to the page: [ 33.553206] page:ffffea0006fe3200 count:1 mapcount:0 mapping:ffff8801bf8c8000 index:0x0 [ 33.553214] flags: 0x2fffc0000000100(slab) [ 33.553228] raw: 02fffc0000000100 ffff8801bf8c8000 0000000000000000 0000000100000006 [ 33.553239] raw: ffffea0006e3dae0 ffffea0006e0c6a0 ffff8801dac00940 0000000000000000 [ 33.553244] page dumped because: kasan: bad access detected [ 33.553246] [ 33.553249] Memory state around the buggy address: [ 33.553256] ffff8801bf8c8480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 33.553264] ffff8801bf8c8500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.553271] >ffff8801bf8c8580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.553275] ^ [ 33.553283] ffff8801bf8c8600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.553292] ffff8801bf8c8680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 33.553296] ================================================================== [ 33.553300] Disabling lock debugging due to kernel taint [ 33.553347] Kernel panic - not syncing: panic_on_warn set ... [ 33.553347] [ 33.559413] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.563268] CPU: 1 PID: 4434 Comm: syzkaller240200 Tainted: G B 4.16.0+ #4 [ 33.563280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.921953] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 33.930041] Call Trace: [ 33.930065] dump_stack+0x1b9/0x294 [ 33.930083] ? dump_stack_print_info.cold.2+0x52/0x52 [ 33.939436] 8021q: adding VLAN 0 to HW filter on device team0 [ 33.945455] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.945472] ? iptunnel_handle_offloads+0x570/0x710 [ 33.945487] panic+0x22f/0x4de [ 33.975592] ? add_taint.cold.5+0x16/0x16 [ 33.979748] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.984161] ? do_raw_spin_unlock+0x9e/0x2e0 [ 33.988572] ? iptunnel_handle_offloads+0x62b/0x710 [ 33.993588] kasan_end_report+0x47/0x4f [ 33.997561] kasan_report.cold.7+0xc9/0x2f5 [ 34.001883] __asan_report_load2_noabort+0x14/0x20 [ 34.006817] iptunnel_handle_offloads+0x62b/0x710 [ 34.011666] ? iptunnel_metadata_reply+0x380/0x380 [ 34.016596] ? graph_lock+0x170/0x170 [ 34.020414] ? packet_cached_dev_get+0x330/0x330 [ 34.025171] ? retint_kernel+0x10/0x10 [ 34.029056] sit_tunnel_xmit__+0x2a/0x160 [ 34.033208] sit_tunnel_xmit+0x1275/0x30b0 [ 34.037441] ? find_held_lock+0x36/0x1c0 [ 34.041498] ? ipip6_rcv+0x1d30/0x1d30 [ 34.045379] ? lock_downgrade+0x8e0/0x8e0 [ 34.049521] ? vprintk_default+0x28/0x30 [ 34.053583] ? vprintk_func+0x81/0xe7 [ 34.057383] ? kasan_check_read+0x11/0x20 [ 34.061524] ? rcu_is_watching+0x85/0x140 [ 34.065669] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 34.070423] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 34.075615] ? is_bpf_text_address+0xd7/0x170 [ 34.080109] ? graph_lock+0x170/0x170 [ 34.083907] ? dev_queue_xmit_nit+0x8ec/0xb90 [ 34.088408] ? __lock_is_held+0xb5/0x140 [ 34.092471] dev_hard_start_xmit+0x264/0xc10 [ 34.096880] ? validate_xmit_skb_list+0x120/0x120 [ 34.101720] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.107253] ? netif_skb_features+0x696/0xa60 [ 34.111746] ? validate_xmit_xfrm+0x1ef/0xdc0 [ 34.116240] ? lock_acquire+0x1dc/0x520 [ 34.120212] ? validate_xmit_skb+0x704/0xd90 [ 34.124621] ? netif_skb_features+0xa60/0xa60 [ 34.129115] __dev_queue_xmit+0x2724/0x34c0 [ 34.133439] ? netdev_pick_tx+0x2d0/0x2d0 [ 34.137587] ? debug_check_no_locks_freed+0x310/0x310 [ 34.142781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.148317] ? refcount_add_not_zero+0x216/0x320 [ 34.153075] ? refcount_dec_if_one+0x170/0x170 [ 34.157652] ? alloc_skb_with_frags+0x4fe/0x760 [ 34.162320] ? check_same_owner+0x320/0x320 [ 34.166645] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 34.172175] ? refcount_add+0x2f/0x70 [ 34.175973] ? skb_set_owner_w+0x24e/0x360 [ 34.180206] ? sock_alloc_send_pskb+0x7d1/0xae0 [ 34.184875] ? sock_wmalloc+0x1e0/0x1e0 [ 34.188850] ? lock_downgrade+0x8e0/0x8e0 [ 34.192995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.198526] ? cap_capable+0x1f9/0x260 [ 34.202417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.207948] ? security_capable+0xa4/0xd0 [ 34.212092] dev_queue_xmit+0x17/0x20 [ 34.215885] ? dev_queue_xmit+0x17/0x20 [ 34.219862] packet_sendmsg+0x411d/0x6100 [ 34.224005] ? debug_check_no_locks_freed+0x310/0x310 [ 34.229193] ? __lock_acquire+0x7f5/0x5130 [ 34.233427] ? is_bpf_text_address+0xd7/0x170 [ 34.237922] ? kernel_text_address+0x79/0xf0 [ 34.242339] ? packet_getname+0x5e0/0x5e0 [ 34.246480] ? save_stack+0xa9/0xd0 [ 34.250101] ? save_stack+0x43/0xd0 [ 34.253718] ? kasan_kmalloc+0xc4/0xe0 [ 34.257601] ? kasan_slab_alloc+0x12/0x20 [ 34.261743] ? kmem_cache_alloc+0x12e/0x760 [ 34.266062] ? get_empty_filp+0x125/0x520 [ 34.270206] ? alloc_file+0x24/0x3e0 [ 34.273918] ? sock_alloc_file+0x1f3/0x4e0 [ 34.278148] ? __sys_socket+0x16f/0x250 [ 34.282117] ? SyS_socket+0x24/0x30 [ 34.285738] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 34.291100] ? graph_lock+0x170/0x170 [ 34.294898] ? find_held_lock+0x36/0x1c0 [ 34.298957] ? find_held_lock+0x36/0x1c0 [ 34.303020] ? lock_downgrade+0x8e0/0x8e0 [ 34.307167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.312697] ? lock_release+0xa10/0xa10 [ 34.316667] ? check_same_owner+0x320/0x320 [ 34.320981] ? __check_object_size+0x95/0x5d9 [ 34.325479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.331013] ? security_socket_sendmsg+0x9b/0xd0 [ 34.335768] ? packet_getname+0x5e0/0x5e0 [ 34.339914] sock_sendmsg+0xd5/0x120 [ 34.343623] __sys_sendto+0x3d7/0x670 [ 34.347426] ? SyS_getpeername+0x30/0x30 [ 34.351481] ? __fd_install+0x2de/0x880 [ 34.355452] ? get_unused_fd_flags+0x190/0x190 [ 34.360037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 34.365571] ? alloc_file+0x44/0x3e0 [ 34.369283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 34.374816] ? sock_alloc_file+0x2a4/0x4e0 [ 34.379053] ? __alloc_fd+0x6e0/0x6e0 [ 34.382854] ? fd_install+0x4d/0x60 [ 34.386478] ? __sys_socket+0x19f/0x250 [ 34.390451] ? move_addr_to_kernel+0x70/0x70 [ 34.394853] ? mm_fault_error+0x380/0x380 [ 34.398997] ? syscall_slow_exit_work+0x4f0/0x4f0 [ 34.403838] SyS_sendto+0x40/0x60 [ 34.407286] ? __sys_sendto+0x670/0x670 [ 34.411260] do_syscall_64+0x29e/0x9d0 [ 34.415144] ? vmalloc_sync_all+0x30/0x30 [ 34.419291] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 34.424050] ? syscall_return_slowpath+0x5c0/0x5c0 [ 34.428974] ? syscall_return_slowpath+0x30f/0x5c0 [ 34.433901] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 34.439266] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.444116] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 34.449299] RIP: 0033:0x441909 [ 34.452477] RSP: 002b:00007fffda4e37e8 EFLAGS: 00000212 ORIG_RAX: 000000000000002c [ 34.460185] RAX: ffffffffffffffda RBX: 000000000000001b RCX: 0000000000441909 [ 34.467448] RDX: 0000000000000000 RSI: 0000000020003fd9 RDI: 0000000000000004 [ 34.474709] RBP: 00000000004a3518 R08: 0000000020000000 R09: 000000000000001c [ 34.481972] R10: 0000000000000000 R11: 0000000000000212 R12: 00007fffda4e38e8 [ 34.489234] R13: 00000000004025e0 R14: 0000000000000000 R15: 0000000000000000 [ 34.496938] Dumping ftrace buffer: [ 34.500460] (ftrace buffer empty) [ 34.504144] Kernel Offset: disabled [ 34.507744] Rebooting in 86400 seconds..