Warning: Permanently added '10.128.0.34' (ECDSA) to the list of known hosts. [ 42.733253] random: sshd: uninitialized urandom read (32 bytes read) [ 42.852292] audit: type=1400 audit(1577404124.987:36): avc: denied { map } for pid=7040 comm="syz-executor027" path="/root/syz-executor027261886" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 43.091160] IPVS: ftp: loaded support on port[0] = 21 [ 43.874863] audit: type=1400 audit(1577404126.007:37): avc: denied { create } for pid=7041 comm="syz-executor027" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 43.899800] audit: type=1400 audit(1577404126.007:38): avc: denied { write } for pid=7041 comm="syz-executor027" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 43.924443] audit: type=1400 audit(1577404126.007:39): avc: denied { read } for pid=7041 comm="syz-executor027" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 43.973034] chnl_net:caif_netlink_parms(): no params data found [ 44.003097] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.009762] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.016927] device bridge_slave_0 entered promiscuous mode [ 44.023958] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.030562] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.037427] device bridge_slave_1 entered promiscuous mode [ 44.052919] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.061939] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.078399] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.085992] team0: Port device team_slave_0 added [ 44.091610] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.098624] team0: Port device team_slave_1 added [ 44.104146] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.111615] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.161882] device hsr_slave_0 entered promiscuous mode [ 44.200300] device hsr_slave_1 entered promiscuous mode [ 44.240718] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.247786] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.262314] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.268705] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.275637] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.282032] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.309920] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 44.316943] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.324960] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.333790] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.354013] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.361371] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.370808] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.377039] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.385373] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.392984] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.399467] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.408430] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.416487] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.422879] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.437767] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.445351] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.454675] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.464261] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.476123] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 44.486802] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.493482] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.500709] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready executing program [ 44.513662] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 44.522900] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.529535] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.539649] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.610539] divide error: 0000 [#1] PREEMPT SMP KASAN [ 44.615804] Modules linked in: [ 44.618984] CPU: 0 PID: 24 Comm: kworker/0:1 Not tainted 4.14.160-syzkaller #0 [ 44.626333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.635726] Workqueue: ipv6_addrconf addrconf_dad_work [ 44.641273] task: ffff8880a9ecc640 task.stack: ffff8880a9ed8000 [ 44.647314] RIP: 0010:netem_enqueue+0x976/0x27b0 [ 44.652063] RSP: 0018:ffff8880aec06e10 EFLAGS: 00010246 [ 44.657404] RAX: 1aedcbe189692000 RBX: 0000000073a8a150 RCX: 000000000000001e [ 44.664653] RDX: 0000000000000000 RSI: 0000000000002056 RDI: ffff88809b915468 [ 44.671990] RBP: ffff8880aec06ea0 R08: 000000001cf06adb R09: ffff88821fff7008 [ 44.679255] R10: ffff88821fff7010 R11: 0000000000000001 R12: 0000000000000000 [ 44.686516] R13: 0000000000000000 R14: 0000000073000000 R15: ffff88809b915200 [ 44.693918] FS: 0000000000000000(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 [ 44.702224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.708179] CR2: 0000000020000600 CR3: 0000000007e6a000 CR4: 00000000001406f0 [ 44.715438] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 44.722795] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 44.730046] Call Trace: [ 44.732702] [ 44.734832] ? lock_acquire+0x16f/0x430 [ 44.738788] __dev_queue_xmit+0x12da/0x25e0 [ 44.743090] ? br_nf_pre_routing+0xdd0/0x12c5 [ 44.747576] ? nf_hook_slow+0xaf/0x1b0 [ 44.751541] ? br_handle_frame+0x80c/0x1110 [ 44.755857] ? __netif_receive_skb_core+0x78d/0x2cb0 [ 44.760943] ? netdev_pick_tx+0x300/0x300 [ 44.765130] ? save_trace+0x290/0x290 [ 44.768910] ? kthread+0x319/0x430 [ 44.772430] ? __lock_is_held+0xb6/0x140 [ 44.776472] ? check_preemption_disabled+0x3c/0x250 [ 44.781471] dev_queue_xmit+0x18/0x20 [ 44.786728] ? dev_queue_xmit+0x18/0x20 [ 44.790682] br_dev_queue_push_xmit+0x367/0x530 [ 44.795355] ? trace_hardirqs_on+0xd/0x10 [ 44.799487] br_nf_dev_queue_xmit+0x309/0x1440 [ 44.804063] ? lock_downgrade+0x740/0x740 [ 44.808242] br_nf_post_routing+0xb80/0xf00 [ 44.812560] ? br_nf_dev_queue_xmit+0x1440/0x1440 [ 44.817384] ? ipv6_skip_exthdr+0x410/0x4d0 [ 44.821693] ? br_nf_push_frag_xmit+0x620/0x620 [ 44.826341] nf_hook_slow+0xaf/0x1b0 [ 44.830057] br_forward_finish+0x1b7/0x320 [ 44.834371] ? br_dev_queue_push_xmit+0x530/0x530 [ 44.839294] ? __lock_is_held+0xb6/0x140 [ 44.843333] ? check_preemption_disabled+0x3c/0x250 [ 44.848444] ? br_fdb_add.cold+0x84/0x84 [ 44.852489] ? nf_hook_slow+0xcc/0x1b0 [ 44.856442] br_nf_hook_thresh+0x25b/0x2e0 [ 44.860666] ? save_trace+0x290/0x290 [ 44.864451] ? setup_pre_routing+0x410/0x410 [ 44.868859] ? find_held_lock+0x35/0x130 [ 44.872907] ? br_dev_queue_push_xmit+0x530/0x530 [ 44.877758] br_nf_forward_finish+0x264/0x640 [ 44.882249] ? br_dev_queue_push_xmit+0x530/0x530 [ 44.887085] br_nf_forward_ip+0x5fc/0x1190 [ 44.891302] ? br_nf_forward_finish+0x640/0x640 [ 44.895952] ? br_handle_vlan+0x4ea/0xab0 [ 44.900079] ? br_nf_hook_thresh+0x2e0/0x2e0 [ 44.904489] nf_hook_slow+0xaf/0x1b0 [ 44.908276] __br_forward+0x312/0x9c0 [ 44.912075] ? br_forward_finish+0x320/0x320 [ 44.916578] ? br_dev_queue_push_xmit+0x530/0x530 [ 44.921856] deliver_clone+0x61/0xc0 [ 44.925571] br_flood+0x43c/0x530 [ 44.929166] br_handle_frame_finish+0xaf0/0x1800 [ 44.933999] ? save_trace+0x290/0x290 [ 44.937819] ? br_handle_local_finish+0x20/0x20 [ 44.942567] ? nf_hook_slow+0xcc/0x1b0 [ 44.946470] br_nf_hook_thresh+0x25b/0x2e0 [ 44.950696] ? setup_pre_routing+0x410/0x410 [ 44.955098] ? __lock_is_held+0xb6/0x140 [ 44.959140] ? br_handle_local_finish+0x20/0x20 [ 44.963810] br_nf_pre_routing_finish_ipv6+0x621/0xc50 [ 44.969067] ? br_handle_local_finish+0x20/0x20 [ 44.973715] ? lock_downgrade+0x740/0x740 [ 44.977840] br_nf_pre_routing_ipv6+0x419/0x7a0 [ 44.982486] ? br_validate_ipv6+0xa00/0xa00 [ 44.986787] ? __lock_is_held+0xb6/0x140 [ 44.990826] ? brnf_device_event.cold+0x2b/0x2b [ 44.995498] ? skb_pull_rcsum+0x130/0x2c0 [ 44.999634] br_nf_pre_routing+0xdd0/0x12c5 [ 45.003951] ? br_nf_pre_routing_finish+0x15b0/0x15b0 [ 45.009139] nf_hook_slow+0xaf/0x1b0 [ 45.012840] br_handle_frame+0x80c/0x1110 [ 45.016996] ? br_handle_frame_finish+0x1800/0x1800 [ 45.021996] ? __lock_is_held+0xb6/0x140 [ 45.026041] ? check_preemption_disabled+0x3c/0x250 [ 45.031131] ? br_handle_local_finish+0x20/0x20 [ 45.035813] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 45.042386] ? br_handle_frame_finish+0x1800/0x1800 [ 45.047399] __netif_receive_skb_core+0x78d/0x2cb0 [ 45.052312] ? trace_hardirqs_on+0x10/0x10 [ 45.056534] ? save_trace+0x290/0x290 [ 45.060319] ? enqueue_to_backlog+0xd00/0xd00 [ 45.064796] ? process_backlog+0x43e/0x730 [ 45.069022] ? lock_acquire+0x16f/0x430 [ 45.072982] __netif_receive_skb+0x2c/0x1b0 [ 45.077628] ? __netif_receive_skb+0x2c/0x1b0 [ 45.082102] process_backlog+0x21f/0x730 [ 45.086139] ? mark_held_locks+0xb1/0x100 [ 45.090268] net_rx_action+0x490/0xf80 [ 45.094138] ? napi_complete_done+0x4f0/0x4f0 [ 45.098703] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 45.104257] __do_softirq+0x244/0x9a0 [ 45.108042] ? ip6_finish_output2+0x9c0/0x21b0 [ 45.112611] do_softirq_own_stack+0x2a/0x40 [ 45.116911] [ 45.119177] do_softirq.part.0+0x10e/0x160 [ 45.123393] __local_bh_enable_ip+0x154/0x1a0 [ 45.127875] ip6_finish_output2+0x9f3/0x21b0 [ 45.132266] ? ip6_forward_finish+0x480/0x480 [ 45.136830] ? lock_downgrade+0x740/0x740 [ 45.140959] ip6_finish_output+0x4f4/0xb50 [ 45.145171] ? ip6_finish_output+0x4f4/0xb50 [ 45.149556] ip6_output+0x20f/0x6d0 [ 45.153160] ? ip6_finish_output+0xb50/0xb50 [ 45.157547] ? __lock_is_held+0xb6/0x140 [ 45.161588] ? ip6_fragment+0x32c0/0x32c0 [ 45.165715] ndisc_send_skb+0xb56/0x11e0 [ 45.169754] ? ndisc_error_report+0x190/0x190 [ 45.174229] ? __alloc_skb+0x3ee/0x500 [ 45.178093] ndisc_send_ns+0x360/0x7e0 [ 45.181958] ? ndisc_netdev_event+0x3b0/0x3b0 [ 45.186428] ? trace_hardirqs_on_caller+0x400/0x590 [ 45.191602] ? addrconf_dad_work+0x9bd/0xfc0 [ 45.196005] ? trace_hardirqs_on+0xd/0x10 [ 45.200138] ? __local_bh_enable_ip+0x99/0x1a0 [ 45.204725] addrconf_dad_work+0xa81/0xfc0 [ 45.209655] ? __lock_is_held+0xb6/0x140 [ 45.213710] ? addrconf_dad_completed+0xa70/0xa70 [ 45.218538] ? rcu_lockdep_current_cpu_online+0xf2/0x140 [ 45.223974] process_one_work+0x863/0x1600 [ 45.228191] ? pwq_dec_nr_in_flight+0x2e0/0x2e0 [ 45.232862] worker_thread+0x5d9/0x1050 [ 45.236882] kthread+0x319/0x430 [ 45.240249] ? process_one_work+0x1600/0x1600 [ 45.244738] ? kthread_create_on_node+0xd0/0xd0 [ 45.249385] ret_from_fork+0x24/0x30 [ 45.253085] Code: 85 4d 1c 00 00 45 8b b7 5c 02 00 00 89 f3 89 75 c0 45 85 f6 0f 85 5f 0a 00 00 e8 b6 7d 29 fc 48 69 c3 00 ca 9a 3b 45 89 e4 31 d2 <49> f7 f4 48 c1 e8 06 48 01 45 b8 e8 9a 7d 29 fc 48 8b 45 d0 48 [ 45.272176] RIP: netem_enqueue+0x976/0x27b0 RSP: ffff8880aec06e10 [ 45.278453] ---[ end trace b20f88a4b87f0761 ]--- [ 45.283243] Kernel panic - not syncing: Fatal exception in interrupt [ 45.291034] Kernel Offset: disabled [ 45.294657] Rebooting in 86400 seconds..