[....] 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. [ 65.291121][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 65.291132][ T26] audit: type=1800 audit(1567838886.647:29): pid=9627 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 [ 65.332751][ T26] audit: type=1800 audit(1567838886.647:30): pid=9627 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 '10.128.1.9' (ECDSA) to the list of known hosts. syzkaller login: [ 76.524396][ T9780] IPVS: ftp: loaded support on port[0] = 21 [ 76.565680][ T9780] chnl_net:caif_netlink_parms(): no params data found [ 76.587294][ T9780] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.594402][ T9780] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.601991][ T9780] device bridge_slave_0 entered promiscuous mode [ 76.609219][ T9780] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.616384][ T9780] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.624430][ T9780] device bridge_slave_1 entered promiscuous mode [ 76.638613][ T9780] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.648894][ T9780] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.664108][ T9780] team0: Port device team_slave_0 added [ 76.672803][ T9780] team0: Port device team_slave_1 added [ 76.738588][ T9780] device hsr_slave_0 entered promiscuous mode [ 76.787323][ T9780] device hsr_slave_1 entered promiscuous mode [ 76.861919][ T9780] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.869012][ T9780] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.876275][ T9780] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.883346][ T9780] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.907293][ T9780] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.916855][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.935852][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.943651][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.951804][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.962038][ T9780] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.971289][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.979612][ T2839] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.986661][ T2839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.996088][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.004585][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.011732][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.029334][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.037945][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.046197][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.054809][ T2839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 77.064490][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.075251][ T9780] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.090041][ T9780] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.118745][ T9780] kasan: CONFIG_KASAN_INLINE enabled [ 77.124051][ T9780] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 77.132269][ T9780] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 77.139262][ T9780] CPU: 0 PID: 9780 Comm: syz-executor703 Not tainted 5.3.0-rc7+ #0 [ 77.147305][ T9780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.157456][ T9780] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 77.163424][ T9780] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 77.183116][ T9780] RSP: 0018:ffff888094597450 EFLAGS: 00010246 [ 77.189267][ T9780] RAX: dffffc0000000000 RBX: ffff8880a894fb40 RCX: ffffffff8159b24a [ 77.197259][ T9780] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a894fea8 [ 77.205233][ T9780] RBP: ffff888094597468 R08: 0000000000000004 R09: ffffed10128b2e7d [ 77.214006][ T9780] R10: ffffed10128b2e7c R11: 0000000000000003 R12: 0000000000000000 [ 77.222053][ T9780] R13: 0000000000000000 R14: ffff8880a894fea0 R15: ffff8880a894fe00 [ 77.230031][ T9780] FS: 00005555560e9880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 77.238942][ T9780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.245520][ T9780] CR2: 0000000020000610 CR3: 00000000a7f90000 CR4: 00000000001406f0 [ 77.253509][ T9780] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.261472][ T9780] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.269434][ T9780] Call Trace: [ 77.272709][ T9780] cbs_destroy+0x7d/0x2a0 [ 77.277039][ T9780] ? cbs_init+0x25d/0x450 [ 77.281363][ T9780] ? cbs_dequeue_soft+0x410/0x410 [ 77.286366][ T9780] qdisc_create+0xbc6/0x1210 [ 77.290954][ T9780] ? tc_get_qdisc+0xc10/0xc10 [ 77.295620][ T9780] ? __nla_parse+0x43/0x60 [ 77.300011][ T9780] tc_modify_qdisc+0x524/0x1c50 [ 77.304839][ T9780] ? qdisc_create+0x1210/0x1210 [ 77.309768][ T9780] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 77.314868][ T9780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.321105][ T9780] ? qdisc_create+0x1210/0x1210 [ 77.326055][ T9780] rtnetlink_rcv_msg+0x463/0xb00 [ 77.330984][ T9780] ? rtnetlink_put_metrics+0x580/0x580 [ 77.336439][ T9780] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 77.341717][ T9780] ? __copy_skb_header+0x250/0x550 [ 77.346814][ T9780] netlink_rcv_skb+0x177/0x450 [ 77.351651][ T9780] ? rtnetlink_put_metrics+0x580/0x580 [ 77.357100][ T9780] ? netlink_ack+0xb30/0xb30 [ 77.362119][ T9780] ? netlink_deliver_tap+0x254/0xbf0 [ 77.368205][ T9780] rtnetlink_rcv+0x1d/0x30 [ 77.372834][ T9780] netlink_unicast+0x531/0x710 [ 77.377586][ T9780] ? netlink_attachskb+0x7c0/0x7c0 [ 77.382707][ T9780] ? _copy_from_iter_full+0x25d/0x8a0 [ 77.388163][ T9780] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.393880][ T9780] ? __check_object_size+0x3d/0x437 [ 77.399064][ T9780] netlink_sendmsg+0x8a5/0xd60 [ 77.403809][ T9780] ? netlink_unicast+0x710/0x710 [ 77.408732][ T9780] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 77.414284][ T9780] ? apparmor_socket_sendmsg+0x2a/0x30 [ 77.419728][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.425959][ T9780] ? security_socket_sendmsg+0x8d/0xc0 [ 77.431412][ T9780] ? netlink_unicast+0x710/0x710 [ 77.436362][ T9780] sock_sendmsg+0xd7/0x130 [ 77.440908][ T9780] ___sys_sendmsg+0x803/0x920 [ 77.445606][ T9780] ? copy_msghdr_from_user+0x440/0x440 [ 77.451060][ T9780] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 77.457299][ T9780] ? tomoyo_path_number_perm+0x263/0x520 [ 77.462997][ T9780] ? sock_ioctl+0x489/0x780 [ 77.467522][ T9780] ? dlci_ioctl_set+0x40/0x40 [ 77.472354][ T9780] ? dlci_ioctl_set+0x40/0x40 [ 77.477027][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.483275][ T9780] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.490025][ T9780] ? __fget_light+0x1a9/0x230 [ 77.494683][ T9780] ? __fdget+0x1b/0x20 [ 77.498847][ T9780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.505232][ T9780] __sys_sendmsg+0x105/0x1d0 [ 77.509829][ T9780] ? __sys_sendmsg_sock+0xd0/0xd0 [ 77.514861][ T9780] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 77.520926][ T9780] __x64_sys_sendmsg+0x78/0xb0 [ 77.525812][ T9780] do_syscall_64+0xfd/0x6a0 [ 77.530335][ T9780] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.536212][ T9780] RIP: 0033:0x441b59 [ 77.540093][ T9780] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.559687][ T9780] RSP: 002b:00007ffcfda46b28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 77.568108][ T9780] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b59 [ 77.576085][ T9780] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 77.584131][ T9780] RBP: 00007ffcfda46b40 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 77.592098][ T9780] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 77.600073][ T9780] R13: 00000000004030f0 R14: 0000000000000000 R15: 0000000000000000 [ 77.608039][ T9780] Modules linked in: [ 77.612679][ T9780] ---[ end trace 3397ac1bd8791f5d ]--- [ 77.618233][ T9780] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 77.624210][ T9780] Code: 0f 84 e1 00 00 00 48 b8 22 01 00 00 00 00 ad de 49 39 c4 0f 84 e2 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 53 49 8b 14 24 4c 39 f2 0f 85 99 00 00 00 49 8d 7d [ 77.643865][ T9780] RSP: 0018:ffff888094597450 EFLAGS: 00010246 [ 77.649959][ T9780] RAX: dffffc0000000000 RBX: ffff8880a894fb40 RCX: ffffffff8159b24a [ 77.657944][ T9780] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a894fea8 [ 77.665920][ T9780] RBP: ffff888094597468 R08: 0000000000000004 R09: ffffed10128b2e7d [ 77.673906][ T9780] R10: ffffed10128b2e7c R11: 0000000000000003 R12: 0000000000000000 [ 77.681898][ T9780] R13: 0000000000000000 R14: ffff8880a894fea0 R15: ffff8880a894fe00 [ 77.689885][ T9780] FS: 00005555560e9880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 77.698840][ T9780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.705403][ T9780] CR2: 0000000020000610 CR3: 00000000a7f90000 CR4: 00000000001406f0 [ 77.713385][ T9780] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.721363][ T9780] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.729342][ T9780] Kernel panic - not syncing: Fatal exception [ 77.737043][ T9780] Kernel Offset: disabled [ 77.741409][ T9780] Rebooting in 86400 seconds..