[....] 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. [ 63.816974][ T23] kauditd_printk_skb: 7 callbacks suppressed [ 63.816985][ T23] audit: type=1800 audit(1567821123.326:29): pid=9540 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 [ 63.843276][ T23] audit: type=1800 audit(1567821123.336:30): pid=9540 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 '10.128.0.78' (ECDSA) to the list of known hosts. syzkaller login: [ 91.347155][ T9692] IPVS: ftp: loaded support on port[0] = 21 [ 91.390686][ T9692] chnl_net:caif_netlink_parms(): no params data found [ 91.413437][ T9692] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.420804][ T9692] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.428483][ T9692] device bridge_slave_0 entered promiscuous mode [ 91.436017][ T9692] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.443355][ T9692] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.451210][ T9692] device bridge_slave_1 entered promiscuous mode [ 91.465522][ T9692] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.476126][ T9692] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.492882][ T9692] team0: Port device team_slave_0 added [ 91.499675][ T9692] team0: Port device team_slave_1 added [ 91.581229][ T9692] device hsr_slave_0 entered promiscuous mode [ 91.649965][ T9692] device hsr_slave_1 entered promiscuous mode [ 91.704837][ T9692] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.712386][ T9692] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.719724][ T9692] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.727149][ T9692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.753342][ T9692] 8021q: adding VLAN 0 to HW filter on device bond0 [ 91.764305][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 91.782937][ T2826] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.790794][ T2826] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.798606][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 91.809011][ T9692] 8021q: adding VLAN 0 to HW filter on device team0 [ 91.818493][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.827176][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.834242][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.850023][ T9694] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.858493][ T9694] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.865901][ T9694] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.873838][ T9694] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.884203][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 91.892421][ T2826] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 91.903136][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 91.914082][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 91.924525][ T9692] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 91.938935][ T9692] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 91.967889][ T9692] kasan: CONFIG_KASAN_INLINE enabled [ 91.973753][ T9692] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 91.982133][ T9692] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 91.989187][ T9692] CPU: 0 PID: 9692 Comm: syz-executor109 Not tainted 5.3.0-rc7+ #0 [ 91.997231][ T9692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.007516][ T9692] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 92.013608][ T9692] 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 [ 92.033445][ T9692] RSP: 0018:ffff888096f4f450 EFLAGS: 00010246 [ 92.039506][ T9692] RAX: dffffc0000000000 RBX: ffff888094d93b40 RCX: ffffffff8159b24a [ 92.047470][ T9692] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888094d93ea8 [ 92.055579][ T9692] RBP: ffff888096f4f468 R08: 0000000000000004 R09: ffffed1012de9e7d [ 92.063651][ T9692] R10: ffffed1012de9e7c R11: 0000000000000003 R12: 0000000000000000 [ 92.071753][ T9692] R13: 0000000000000000 R14: ffff888094d93ea0 R15: ffff888094d93e00 [ 92.079861][ T9692] FS: 0000555555ce1880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 92.088780][ T9692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.095354][ T9692] CR2: 0000000020000610 CR3: 00000000a6465000 CR4: 00000000001406f0 [ 92.103319][ T9692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.111278][ T9692] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.119235][ T9692] Call Trace: [ 92.122524][ T9692] cbs_destroy+0x7d/0x2a0 [ 92.126839][ T9692] ? cbs_init+0x25d/0x450 [ 92.131294][ T9692] ? cbs_dequeue_soft+0x410/0x410 [ 92.136340][ T9692] qdisc_create+0xbc6/0x1210 [ 92.140962][ T9692] ? tc_get_qdisc+0xc10/0xc10 [ 92.145628][ T9692] ? __nla_parse+0x43/0x60 [ 92.150030][ T9692] tc_modify_qdisc+0x524/0x1c50 [ 92.154911][ T9692] ? qdisc_create+0x1210/0x1210 [ 92.159754][ T9692] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 92.164853][ T9692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.171126][ T9692] ? qdisc_create+0x1210/0x1210 [ 92.175964][ T9692] rtnetlink_rcv_msg+0x463/0xb00 [ 92.180992][ T9692] ? rtnetlink_put_metrics+0x580/0x580 [ 92.186522][ T9692] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 92.191840][ T9692] ? __copy_skb_header+0x250/0x550 [ 92.196939][ T9692] netlink_rcv_skb+0x177/0x450 [ 92.201691][ T9692] ? rtnetlink_put_metrics+0x580/0x580 [ 92.207268][ T9692] ? netlink_ack+0xb30/0xb30 [ 92.211876][ T9692] ? netlink_deliver_tap+0x254/0xbf0 [ 92.217361][ T9692] rtnetlink_rcv+0x1d/0x30 [ 92.221776][ T9692] netlink_unicast+0x531/0x710 [ 92.226746][ T9692] ? netlink_attachskb+0x7c0/0x7c0 [ 92.231896][ T9692] ? _copy_from_iter_full+0x25d/0x8a0 [ 92.237441][ T9692] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 92.243162][ T9692] ? __check_object_size+0x3d/0x437 [ 92.248507][ T9692] netlink_sendmsg+0x8a5/0xd60 [ 92.253276][ T9692] ? netlink_unicast+0x710/0x710 [ 92.258287][ T9692] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 92.263896][ T9692] ? apparmor_socket_sendmsg+0x2a/0x30 [ 92.269611][ T9692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.276362][ T9692] ? security_socket_sendmsg+0x8d/0xc0 [ 92.282197][ T9692] ? netlink_unicast+0x710/0x710 [ 92.287478][ T9692] sock_sendmsg+0xd7/0x130 [ 92.291894][ T9692] ___sys_sendmsg+0x803/0x920 [ 92.296759][ T9692] ? copy_msghdr_from_user+0x440/0x440 [ 92.302221][ T9692] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 92.309258][ T9692] ? tomoyo_path_number_perm+0x263/0x520 [ 92.314918][ T9692] ? sock_ioctl+0x489/0x780 [ 92.319410][ T9692] ? dlci_ioctl_set+0x40/0x40 [ 92.324224][ T9692] ? dlci_ioctl_set+0x40/0x40 [ 92.329157][ T9692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.335397][ T9692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.342189][ T9692] ? __fget_light+0x1a9/0x230 [ 92.346915][ T9692] ? __fdget+0x1b/0x20 [ 92.350989][ T9692] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.357247][ T9692] __sys_sendmsg+0x105/0x1d0 [ 92.361974][ T9692] ? __sys_sendmsg_sock+0xd0/0xd0 [ 92.366990][ T9692] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 92.373137][ T9692] __x64_sys_sendmsg+0x78/0xb0 [ 92.378031][ T9692] do_syscall_64+0xfd/0x6a0 [ 92.382526][ T9692] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.388405][ T9692] RIP: 0033:0x441b59 [ 92.392294][ T9692] 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 [ 92.412149][ T9692] RSP: 002b:00007ffe78ff87a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.420549][ T9692] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b59 [ 92.428507][ T9692] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 92.436469][ T9692] RBP: 00007ffe78ff87c0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 92.444447][ T9692] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 92.452409][ T9692] R13: 00000000004030f0 R14: 0000000000000000 R15: 0000000000000000 [ 92.460376][ T9692] Modules linked in: [ 92.464339][ T9692] ---[ end trace c5ca6f3efede803f ]--- [ 92.469855][ T9692] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 92.475964][ T9692] 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 [ 92.496040][ T9692] RSP: 0018:ffff888096f4f450 EFLAGS: 00010246 [ 92.502311][ T9692] RAX: dffffc0000000000 RBX: ffff888094d93b40 RCX: ffffffff8159b24a [ 92.510463][ T9692] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888094d93ea8 [ 92.518721][ T9692] RBP: ffff888096f4f468 R08: 0000000000000004 R09: ffffed1012de9e7d [ 92.527238][ T9692] R10: ffffed1012de9e7c R11: 0000000000000003 R12: 0000000000000000 [ 92.535797][ T9692] R13: 0000000000000000 R14: ffff888094d93ea0 R15: ffff888094d93e00 [ 92.543807][ T9692] FS: 0000555555ce1880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 92.552763][ T9692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.559330][ T9692] CR2: 0000000020000610 CR3: 00000000a6465000 CR4: 00000000001406f0 [ 92.567326][ T9692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.575343][ T9692] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.583350][ T9692] Kernel panic - not syncing: Fatal exception [ 92.591021][ T9692] Kernel Offset: disabled [ 92.595353][ T9692] Rebooting in 86400 seconds..