[ 87.504762][ T27] audit: type=1800 audit(1578757931.364:25): pid=9637 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 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. [ 88.489527][ T27] kauditd_printk_skb: 3 callbacks suppressed [ 88.489539][ T27] audit: type=1800 audit(1578757932.344:29): pid=9637 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 88.516818][ T27] audit: type=1800 audit(1578757932.354:30): pid=9637 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.221' (ECDSA) to the list of known hosts. syzkaller login: [ 97.617587][ T9794] IPVS: ftp: loaded support on port[0] = 21 [ 97.672451][ T9794] chnl_net:caif_netlink_parms(): no params data found [ 97.703035][ T9794] bridge0: port 1(bridge_slave_0) entered blocking state [ 97.710839][ T9794] bridge0: port 1(bridge_slave_0) entered disabled state [ 97.719200][ T9794] device bridge_slave_0 entered promiscuous mode [ 97.728459][ T9794] bridge0: port 2(bridge_slave_1) entered blocking state [ 97.735742][ T9794] bridge0: port 2(bridge_slave_1) entered disabled state [ 97.744143][ T9794] device bridge_slave_1 entered promiscuous mode [ 97.762677][ T9794] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 97.773659][ T9794] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 97.796133][ T9794] team0: Port device team_slave_0 added [ 97.803778][ T9794] team0: Port device team_slave_1 added [ 97.875123][ T9794] device hsr_slave_0 entered promiscuous mode [ 97.912100][ T9794] device hsr_slave_1 entered promiscuous mode [ 98.017061][ T9794] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 98.065113][ T9794] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 98.135363][ T9794] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 98.204809][ T9794] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 98.274685][ T9794] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.281981][ T9794] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.289979][ T9794] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.297137][ T9794] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.338769][ T9794] 8021q: adding VLAN 0 to HW filter on device bond0 [ 98.355952][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 98.367353][ T3081] bridge0: port 1(bridge_slave_0) entered disabled state [ 98.375749][ T3081] bridge0: port 2(bridge_slave_1) entered disabled state [ 98.384744][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 98.398629][ T9794] 8021q: adding VLAN 0 to HW filter on device team0 [ 98.409656][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 98.418919][ T3196] bridge0: port 1(bridge_slave_0) entered blocking state [ 98.426183][ T3196] bridge0: port 1(bridge_slave_0) entered forwarding state [ 98.438202][ T3081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 98.447515][ T3081] bridge0: port 2(bridge_slave_1) entered blocking state [ 98.454755][ T3081] bridge0: port 2(bridge_slave_1) entered forwarding state [ 98.475439][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 98.485912][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 98.498018][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 98.510295][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 98.524979][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 98.536482][ T9794] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 98.557597][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 98.565468][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 98.579070][ T9794] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 98.600226][ T3196] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 98.619300][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 98.629106][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 98.637737][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready executing program [ 98.648544][ T9794] device veth0_vlan entered promiscuous mode [ 98.661183][ T9794] device veth1_vlan entered promiscuous mode [ 98.673010][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 98.681385][ T3073] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 98.699569][ T9794] netlink: 80 bytes leftover after parsing attributes in process `syz-executor812'. [ 98.712311][ T9794] netlink: 80 bytes leftover after parsing attributes in process `syz-executor812'. [ 98.762568][ T3073] divide error: 0000 [#1] PREEMPT SMP KASAN [ 98.768524][ T3073] CPU: 0 PID: 3073 Comm: kworker/0:47 Not tainted 5.5.0-rc5-next-20200110-syzkaller #0 [ 98.778149][ T3073] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.788220][ T3073] Workqueue: ipv6_addrconf addrconf_dad_work [ 98.794192][ T3073] RIP: 0010:tabledist.part.0+0x13f/0x170 [ 98.799803][ T3073] Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 b8 3a 17 fb 48 81 eb 00 10 00 00 eb a5 e8 aa 3a 17 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 4f 72 55 fb e9 0d ff ff [ 98.819610][ T3073] RSP: 0018:ffffc9000951f408 EFLAGS: 00010246 [ 98.825669][ T3073] RAX: 00000000f191316c RBX: 0000000000000000 RCX: 0000000000000000 [ 98.834342][ T3073] RDX: 0000000000000000 RSI: ffffffff865e0656 RDI: 0000000000000005 [ 98.842302][ T3073] RBP: ffffc9000951f430 R08: ffff88809e472140 R09: ffffed101233ae09 [ 98.850273][ T3073] R10: ffffed101233ae08 R11: ffff8880919d7047 R12: ffffffff80000000 [ 98.858240][ T3073] R13: 0000000000000000 R14: 00000000f191316c R15: ffff8880a6ae7000 [ 98.866193][ T3073] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 98.875245][ T3073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.881827][ T3073] CR2: 00000000004c8068 CR3: 0000000009a6d000 CR4: 00000000001406f0 [ 98.889840][ T3073] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.897796][ T3073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.905750][ T3073] Call Trace: [ 98.909045][ T3073] ? get_crandom+0x72/0x140 [ 98.913564][ T3073] netem_enqueue+0x416/0x2e10 [ 98.918246][ T3073] ? lock_acquire+0x190/0x410 [ 98.922921][ T3073] __dev_queue_xmit+0x153f/0x35c0 [ 98.928183][ T3073] ? __kasan_check_read+0x11/0x20 [ 98.933222][ T3073] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 98.938532][ T3073] ? ip6_finish_output2+0x109a/0x25c0 [ 98.943896][ T3073] ? __kasan_check_read+0x11/0x20 [ 98.948901][ T3073] ? mark_held_locks+0xa4/0xf0 [ 98.953649][ T3073] dev_queue_xmit+0x18/0x20 [ 98.958164][ T3073] ? dev_queue_xmit+0x18/0x20 [ 98.963373][ T3073] neigh_resolve_output+0x5c4/0x990 [ 98.968571][ T3073] ip6_finish_output2+0x109a/0x25c0 [ 98.973756][ T3073] ? ip6_sk_dst_lookup_flow+0xb00/0xb00 [ 98.979435][ T3073] ? lock_downgrade+0x920/0x920 [ 98.984419][ T3073] ? __kasan_check_read+0x11/0x20 [ 98.989456][ T3073] __ip6_finish_output+0x444/0xaa0 [ 98.995005][ T3073] ? __ip6_finish_output+0x444/0xaa0 [ 99.000291][ T3073] ip6_finish_output+0x38/0x1f0 [ 99.005149][ T3073] ip6_output+0x25e/0x880 [ 99.009473][ T3073] ? ip6_finish_output+0x1f0/0x1f0 [ 99.014570][ T3073] ? __ip6_finish_output+0xaa0/0xaa0 [ 99.019987][ T3073] ndisc_send_skb+0xf1f/0x1490 [ 99.024744][ T3073] ? nf_hook.constprop.0+0x560/0x560 [ 99.030027][ T3073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 99.036269][ T3073] ? skb_set_owner_w+0x265/0x410 [ 99.041225][ T3073] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 99.046946][ T3073] ndisc_send_ns+0x3a9/0x850 [ 99.051534][ T3073] ? mark_held_locks+0xa4/0xf0 [ 99.056285][ T3073] ? ndisc_netdev_event+0x5e0/0x5e0 [ 99.061463][ T3073] ? lockdep_hardirqs_on+0x421/0x5e0 [ 99.066774][ T3073] ? addrconf_dad_work+0xb2c/0x11d0 [ 99.071971][ T3073] ? trace_hardirqs_on+0x67/0x240 [ 99.076983][ T3073] ? addrconf_dad_work+0xb2c/0x11d0 [ 99.082168][ T3073] addrconf_dad_work+0xbf3/0x11d0 [ 99.087371][ T3073] ? addrconf_dad_completed+0xbb0/0xbb0 [ 99.092915][ T3073] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 99.099011][ T3073] ? trace_hardirqs_on+0x67/0x240 [ 99.104027][ T3073] process_one_work+0x9af/0x1740 [ 99.108952][ T3073] ? pwq_dec_nr_in_flight+0x320/0x320 [ 99.114301][ T3073] ? lock_acquire+0x190/0x410 [ 99.118956][ T3073] worker_thread+0x98/0xe40 [ 99.123442][ T3073] kthread+0x361/0x430 [ 99.127490][ T3073] ? process_one_work+0x1740/0x1740 [ 99.132667][ T3073] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 99.138563][ T3073] ret_from_fork+0x24/0x30 [ 99.143065][ T3073] Modules linked in: [ 99.147013][ T3073] ---[ end trace 98f55642e114174c ]--- [ 99.152625][ T3073] RIP: 0010:tabledist.part.0+0x13f/0x170 [ 99.158246][ T3073] Code: e8 48 83 c4 08 5b 41 5c 41 5d 41 5e 5d c3 e8 b8 3a 17 fb 48 81 eb 00 10 00 00 eb a5 e8 aa 3a 17 fb 43 8d 0c 24 44 89 f0 31 d2 f1 4d 29 e5 49 01 d5 eb c5 48 89 df e8 4f 72 55 fb e9 0d ff ff [ 99.177895][ T3073] RSP: 0018:ffffc9000951f408 EFLAGS: 00010246 [ 99.183964][ T3073] RAX: 00000000f191316c RBX: 0000000000000000 RCX: 0000000000000000 [ 99.191955][ T3073] RDX: 0000000000000000 RSI: ffffffff865e0656 RDI: 0000000000000005 [ 99.199939][ T3073] RBP: ffffc9000951f430 R08: ffff88809e472140 R09: ffffed101233ae09 [ 99.207936][ T3073] R10: ffffed101233ae08 R11: ffff8880919d7047 R12: ffffffff80000000 [ 99.215929][ T3073] R13: 0000000000000000 R14: 00000000f191316c R15: ffff8880a6ae7000 [ 99.223921][ T3073] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 99.232861][ T3073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 99.239446][ T3073] CR2: 00000000004c8068 CR3: 0000000009a6d000 CR4: 00000000001406f0 [ 99.247453][ T3073] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 99.255436][ T3073] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 99.263433][ T3073] Kernel panic - not syncing: Fatal exception in interrupt [ 99.272300][ T3073] Kernel Offset: disabled [ 99.276786][ T3073] Rebooting in 86400 seconds..