[....] 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. [ 64.803656][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 64.803666][ T26] audit: type=1800 audit(1567862823.777:29): pid=9769 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 [ 64.844820][ T26] audit: type=1800 audit(1567862823.777:30): pid=9769 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 '10.128.1.6' (ECDSA) to the list of known hosts. syzkaller login: [ 91.783411][ T9919] IPVS: ftp: loaded support on port[0] = 21 [ 91.826043][ T9919] chnl_net:caif_netlink_parms(): no params data found [ 91.847030][ T9919] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.854786][ T9919] bridge0: port 1(bridge_slave_0) entered disabled state [ 91.862412][ T9919] device bridge_slave_0 entered promiscuous mode [ 91.869526][ T9919] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.876669][ T9919] bridge0: port 2(bridge_slave_1) entered disabled state [ 91.884192][ T9919] device bridge_slave_1 entered promiscuous mode [ 91.897759][ T9919] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 91.908186][ T9919] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 91.924255][ T9919] team0: Port device team_slave_0 added [ 91.930724][ T9919] team0: Port device team_slave_1 added [ 92.013074][ T9919] device hsr_slave_0 entered promiscuous mode [ 92.091691][ T9919] device hsr_slave_1 entered promiscuous mode [ 92.157072][ T9919] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.164789][ T9919] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.172393][ T9919] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.179437][ T9919] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.203256][ T9919] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.214317][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.233164][ T3014] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.240907][ T3014] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.248915][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 92.258991][ T9919] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.268859][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.277481][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.284809][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.301833][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.310103][ T3014] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.317164][ T3014] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.327003][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.335799][ T3014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.345935][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 92.354479][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.365117][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.374909][ T9919] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.389046][ T9919] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.418636][ T9919] kasan: CONFIG_KASAN_INLINE enabled [ 92.424663][ T9919] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 92.432861][ T9919] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 92.439789][ T9919] CPU: 1 PID: 9919 Comm: syz-executor902 Not tainted 5.3.0-rc7+ #0 [ 92.447654][ T9919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.457848][ T9919] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 92.463814][ T9919] 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 [ 92.483845][ T9919] RSP: 0018:ffff8880a92af450 EFLAGS: 00010246 [ 92.489888][ T9919] RAX: dffffc0000000000 RBX: ffff88808b413680 RCX: ffffffff8159b2aa [ 92.497979][ T9919] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88808b4139e8 [ 92.506288][ T9919] RBP: ffff8880a92af468 R08: 0000000000000004 R09: ffffed1015255e7d [ 92.514237][ T9919] R10: ffffed1015255e7c R11: 0000000000000003 R12: 0000000000000000 [ 92.522194][ T9919] R13: 0000000000000000 R14: ffff88808b4139e0 R15: ffff88808b413940 [ 92.530144][ T9919] FS: 0000555555fc4880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.539142][ T9919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 92.545699][ T9919] CR2: 0000000020000610 CR3: 0000000095881000 CR4: 00000000001406e0 [ 92.553646][ T9919] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.561604][ T9919] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 92.569550][ T9919] Call Trace: [ 92.572823][ T9919] cbs_destroy+0x7d/0x2a0 [ 92.577126][ T9919] ? cbs_init+0x25d/0x450 [ 92.581441][ T9919] ? cbs_dequeue_soft+0x410/0x410 [ 92.586439][ T9919] qdisc_create+0xbc6/0x1210 [ 92.591011][ T9919] ? tc_get_qdisc+0xc10/0xc10 [ 92.595666][ T9919] ? __nla_parse+0x43/0x60 [ 92.600057][ T9919] tc_modify_qdisc+0x524/0x1c50 [ 92.604885][ T9919] ? qdisc_create+0x1210/0x1210 [ 92.609847][ T9919] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 92.614951][ T9919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.621184][ T9919] ? qdisc_create+0x1210/0x1210 [ 92.626045][ T9919] rtnetlink_rcv_msg+0x463/0xb00 [ 92.631226][ T9919] ? rtnetlink_put_metrics+0x580/0x580 [ 92.636668][ T9919] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 92.641931][ T9919] ? __copy_skb_header+0x250/0x550 [ 92.647020][ T9919] netlink_rcv_skb+0x177/0x450 [ 92.651765][ T9919] ? rtnetlink_put_metrics+0x580/0x580 [ 92.657249][ T9919] ? netlink_ack+0xb30/0xb30 [ 92.661818][ T9919] ? netlink_deliver_tap+0x254/0xbf0 [ 92.667086][ T9919] rtnetlink_rcv+0x1d/0x30 [ 92.671477][ T9919] netlink_unicast+0x531/0x710 [ 92.676227][ T9919] ? netlink_attachskb+0x7c0/0x7c0 [ 92.681325][ T9919] ? _copy_from_iter_full+0x25d/0x8a0 [ 92.686892][ T9919] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 92.692616][ T9919] ? __check_object_size+0x3d/0x437 [ 92.698070][ T9919] netlink_sendmsg+0x8a5/0xd60 [ 92.702921][ T9919] ? netlink_unicast+0x710/0x710 [ 92.707846][ T9919] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 92.713367][ T9919] ? apparmor_socket_sendmsg+0x2a/0x30 [ 92.718805][ T9919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.725028][ T9919] ? security_socket_sendmsg+0x8d/0xc0 [ 92.730461][ T9919] ? netlink_unicast+0x710/0x710 [ 92.735373][ T9919] sock_sendmsg+0xd7/0x130 [ 92.739771][ T9919] ___sys_sendmsg+0x803/0x920 [ 92.744423][ T9919] ? copy_msghdr_from_user+0x440/0x440 [ 92.749858][ T9919] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 92.756087][ T9919] ? tomoyo_path_number_perm+0x263/0x520 [ 92.761714][ T9919] ? sock_ioctl+0x489/0x780 [ 92.766407][ T9919] ? dlci_ioctl_set+0x40/0x40 [ 92.771059][ T9919] ? dlci_ioctl_set+0x40/0x40 [ 92.775733][ T9919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.781948][ T9919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 92.788163][ T9919] ? __fget_light+0x1a9/0x230 [ 92.792815][ T9919] ? __fdget+0x1b/0x20 [ 92.796857][ T9919] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 92.803071][ T9919] __sys_sendmsg+0x105/0x1d0 [ 92.807645][ T9919] ? __sys_sendmsg_sock+0xd0/0xd0 [ 92.812649][ T9919] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 92.818694][ T9919] __x64_sys_sendmsg+0x78/0xb0 [ 92.823447][ T9919] do_syscall_64+0xfd/0x6a0 [ 92.827926][ T9919] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.833800][ T9919] RIP: 0033:0x441b59 [ 92.837673][ T9919] 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 [ 92.857691][ T9919] RSP: 002b:00007ffd11911ea8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 92.866074][ T9919] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b59 [ 92.874021][ T9919] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 92.881985][ T9919] RBP: 00007ffd11911ec0 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 92.889933][ T9919] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 92.897903][ T9919] R13: 00000000004030f0 R14: 0000000000000000 R15: 0000000000000000 [ 92.906375][ T9919] Modules linked in: [ 92.912041][ T9919] ---[ end trace f0c6c4602e95d838 ]--- [ 92.917515][ T9919] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 92.923531][ T9919] 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 [ 92.943669][ T9919] RSP: 0018:ffff8880a92af450 EFLAGS: 00010246 [ 92.949716][ T9919] RAX: dffffc0000000000 RBX: ffff88808b413680 RCX: ffffffff8159b2aa [ 92.957697][ T9919] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88808b4139e8 [ 92.965686][ T9919] RBP: ffff8880a92af468 R08: 0000000000000004 R09: ffffed1015255e7d [ 92.973669][ T9919] R10: ffffed1015255e7c R11: 0000000000000003 R12: 0000000000000000 [ 92.981651][ T9919] R13: 0000000000000000 R14: ffff88808b4139e0 R15: ffff88808b413940 [ 92.989609][ T9919] FS: 0000555555fc4880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 92.998562][ T9919] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.005186][ T9919] CR2: 0000000020000610 CR3: 0000000095881000 CR4: 00000000001406e0 [ 93.013181][ T9919] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 93.021138][ T9919] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 93.029127][ T9919] Kernel panic - not syncing: Fatal exception [ 93.036641][ T9919] Kernel Offset: disabled [ 93.040975][ T9919] Rebooting in 86400 seconds..