[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.736874][ T26] audit: type=1800 audit(1571698089.314:25): pid=8777 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.787933][ T26] audit: type=1800 audit(1571698089.324:26): pid=8777 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.815401][ T26] audit: type=1800 audit(1571698089.324:27): pid=8777 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.0.97' (ECDSA) to the list of known hosts. syzkaller login: [ 81.802614][ T8930] IPVS: ftp: loaded support on port[0] = 21 [ 81.860433][ T8930] chnl_net:caif_netlink_parms(): no params data found [ 81.887976][ T8930] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.895717][ T8930] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.904472][ T8930] device bridge_slave_0 entered promiscuous mode [ 81.912880][ T8930] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.920238][ T8930] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.927966][ T8930] device bridge_slave_1 entered promiscuous mode [ 81.945169][ T8930] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.956593][ T8930] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.976849][ T8930] team0: Port device team_slave_0 added [ 81.984369][ T8930] team0: Port device team_slave_1 added [ 82.069024][ T8930] device hsr_slave_0 entered promiscuous mode [ 82.147281][ T8930] device hsr_slave_1 entered promiscuous mode [ 82.215107][ T8930] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.222403][ T8930] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.230326][ T8930] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.237493][ T8930] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.272950][ T8930] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.285423][ T8932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.296044][ T8932] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.305007][ T8932] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.312960][ T8932] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.325101][ T8930] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.335953][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.345074][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.352188][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.369075][ T8932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.378459][ T8932] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.385673][ T8932] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.403128][ T2611] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.412027][ T2611] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.420803][ T2611] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.430073][ T2611] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.441367][ T8932] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.451906][ T8930] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.469259][ T8930] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program executing program [ 82.517968][ T8932] divide error: 0000 [#1] PREEMPT SMP KASAN [ 82.524046][ T8932] CPU: 0 PID: 8932 Comm: kworker/0:2 Not tainted 5.4.0-rc3+ #0 [ 82.531725][ T8932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.541960][ T8932] Workqueue: ipv6_addrconf addrconf_dad_work [ 82.548073][ T8932] RIP: 0010:tabledist.part.0+0x13f/0x170 [ 82.553693][ T8932] Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 58 3e a2 fb 48 81 eb 00 10 00 00 eb a5 e8 4a 3e a2 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 bf a0 dd fb e9 0d ff ff [ 82.573818][ T8932] RSP: 0018:ffff88809690ed78 EFLAGS: 00010246 [ 82.579878][ T8932] RAX: 00000000f320cdc6 RBX: 0000000000000000 RCX: 0000000000000000 [ 82.587841][ T8932] RDX: 0000000000000000 RSI: ffffffff85d0d816 RDI: 0000000000000005 [ 82.595800][ T8932] RBP: ffff88809690eda0 R08: ffff8880a81481c0 R09: ffffed101241682f [ 82.603772][ T8932] R10: ffffed101241682e R11: ffff8880920b4177 R12: ffffffff80000000 [ 82.612177][ T8932] R13: 0000000000000000 R14: 00000000f320cdc6 R15: ffff8880920b4000 [ 82.620134][ T8932] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 82.629325][ T8932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.635899][ T8932] CR2: 00000000006dab10 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 82.643973][ T8932] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 82.652100][ T8932] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 82.660241][ T8932] Call Trace: [ 82.663526][ T8932] netem_enqueue+0x416/0x2e10 [ 82.668201][ T8932] ? lock_acquire+0x190/0x410 [ 82.672864][ T8932] __dev_queue_xmit+0x157e/0x3720 [ 82.677895][ T8932] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 82.684036][ T8932] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 82.689333][ T8932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.695578][ T8932] ? br_nf_post_routing+0xd73/0x1d30 [ 82.700851][ T8932] ? br_forward_finish+0x235/0x400 [ 82.705982][ T8932] ? find_held_lock+0x35/0x130 [ 82.710769][ T8932] ? br_forward_finish+0x235/0x400 [ 82.715874][ T8932] dev_queue_xmit+0x18/0x20 [ 82.721959][ T8932] ? dev_queue_xmit+0x18/0x20 [ 82.726644][ T8932] br_dev_queue_push_xmit+0x3f3/0x5e0 [ 82.732009][ T8932] ? __kasan_check_read+0x11/0x20 [ 82.737046][ T8932] br_forward_finish+0xfa/0x400 [ 82.741889][ T8932] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 82.747434][ T8932] ? br_fdb_add.cold+0x83/0x83 [ 82.752227][ T8932] ? __kasan_check_read+0x11/0x20 [ 82.757254][ T8932] __br_forward+0x641/0xb00 [ 82.761834][ T8932] ? br_forward_finish+0x400/0x400 [ 82.766940][ T8932] ? br_dev_queue_push_xmit+0x5e0/0x5e0 [ 82.772477][ T8932] deliver_clone+0x61/0xc0 [ 82.776900][ T8932] maybe_deliver+0x2c7/0x390 [ 82.781499][ T8932] br_flood+0x13a/0x3d0 [ 82.785662][ T8932] br_dev_xmit+0x98c/0x15a0 [ 82.790174][ T8932] ? br_poll_controller+0x10/0x10 [ 82.795196][ T8932] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 82.801700][ T8932] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.807234][ T8932] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 82.813204][ T8932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.819457][ T8932] dev_hard_start_xmit+0x1a3/0x9b0 [ 82.824649][ T8932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.830876][ T8932] __dev_queue_xmit+0x2c6c/0x3720 [ 82.835886][ T8932] ? __kasan_check_read+0x11/0x20 [ 82.841051][ T8932] ? __lock_acquire+0x16f2/0x4a00 [ 82.846498][ T8932] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 82.851788][ T8932] ? ip6_finish_output2+0x1034/0x2550 [ 82.857149][ T8932] ? __kasan_check_read+0x11/0x20 [ 82.862213][ T8932] ? mark_lock+0xc2/0x1220 [ 82.866622][ T8932] ? mark_held_locks+0xa4/0xf0 [ 82.871387][ T8932] dev_queue_xmit+0x18/0x20 [ 82.875874][ T8932] ? dev_queue_xmit+0x18/0x20 [ 82.880536][ T8932] neigh_resolve_output+0x5a5/0x970 [ 82.885721][ T8932] ip6_finish_output2+0x1034/0x2550 [ 82.890944][ T8932] ? ip6_sk_dst_lookup_flow+0xb90/0xb90 [ 82.896510][ T8932] ? lock_downgrade+0x920/0x920 [ 82.901369][ T8932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.907603][ T8932] ? __kasan_check_read+0x11/0x20 [ 82.912632][ T8932] __ip6_finish_output+0x444/0xaa0 [ 82.917746][ T8932] ? __ip6_finish_output+0x444/0xaa0 [ 82.923018][ T8932] ip6_finish_output+0x38/0x1f0 [ 82.927857][ T8932] ip6_output+0x235/0x7f0 [ 82.932190][ T8932] ? ip6_finish_output+0x1f0/0x1f0 [ 82.937286][ T8932] ? __ip6_finish_output+0xaa0/0xaa0 [ 82.942571][ T8932] ndisc_send_skb+0xf29/0x14a0 [ 82.947339][ T8932] ? nf_hook.constprop.0+0x560/0x560 [ 82.952633][ T8932] ? skb_set_owner_w+0x21b/0x320 [ 82.957559][ T8932] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 82.963289][ T8932] ndisc_send_ns+0x3a9/0x850 [ 82.967867][ T8932] ? mark_held_locks+0xa4/0xf0 [ 82.972630][ T8932] ? ndisc_netdev_event+0x4e0/0x4e0 [ 82.977825][ T8932] ? lockdep_hardirqs_on+0x421/0x5e0 [ 82.983110][ T8932] ? addrconf_dad_work+0xac4/0x1150 [ 82.988466][ T8932] ? trace_hardirqs_on+0x67/0x240 [ 82.993498][ T8932] ? addrconf_dad_work+0xac4/0x1150 [ 82.998686][ T8932] addrconf_dad_work+0xb88/0x1150 [ 83.003721][ T8932] ? addrconf_dad_completed+0xbb0/0xbb0 [ 83.009280][ T8932] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 83.015255][ T8932] ? trace_hardirqs_on+0x67/0x240 [ 83.020273][ T8932] process_one_work+0x9af/0x1740 [ 83.025202][ T8932] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.030576][ T8932] ? lock_acquire+0x190/0x410 [ 83.035259][ T8932] worker_thread+0x98/0xe40 [ 83.039763][ T8932] ? trace_hardirqs_on+0x67/0x240 [ 83.044781][ T8932] kthread+0x361/0x430 [ 83.048840][ T8932] ? process_one_work+0x1740/0x1740 [ 83.054038][ T8932] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 83.059848][ T8932] ret_from_fork+0x24/0x30 [ 83.064243][ T8932] Modules linked in: [ 83.068280][ T8932] ---[ end trace fb78a9f67091defe ]--- [ 83.073751][ T8932] RIP: 0010:tabledist.part.0+0x13f/0x170 [ 83.079453][ T8932] Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 58 3e a2 fb 48 81 eb 00 10 00 00 eb a5 e8 4a 3e a2 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 bf a0 dd fb e9 0d ff ff [ 83.099086][ T8932] RSP: 0018:ffff88809690ed78 EFLAGS: 00010246 [ 83.105323][ T8932] RAX: 00000000f320cdc6 RBX: 0000000000000000 RCX: 0000000000000000 [ 83.113362][ T8932] RDX: 0000000000000000 RSI: ffffffff85d0d816 RDI: 0000000000000005 [ 83.121369][ T8932] RBP: ffff88809690eda0 R08: ffff8880a81481c0 R09: ffffed101241682f [ 83.129355][ T8932] R10: ffffed101241682e R11: ffff8880920b4177 R12: ffffffff80000000 [ 83.137335][ T8932] R13: 0000000000000000 R14: 00000000f320cdc6 R15: ffff8880920b4000 [ 83.145335][ T8932] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 83.154282][ T8932] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.160884][ T8932] CR2: 00000000006dab10 CR3: 0000000008e6d000 CR4: 00000000001406f0 [ 83.168867][ T8932] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.176829][ T8932] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.184818][ T8932] Kernel panic - not syncing: Fatal exception in interrupt [ 83.193505][ T8932] Kernel Offset: disabled [ 83.197860][ T8932] Rebooting in 86400 seconds..