[....] 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. [ 64.660367][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 64.660377][ T26] audit: type=1800 audit(1567848485.339:29): pid=9523 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 [ 64.692199][ T26] audit: type=1800 audit(1567848485.339:30): pid=9523 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 '10.128.10.21' (ECDSA) to the list of known hosts. syzkaller login: [ 75.105794][ T9679] IPVS: ftp: loaded support on port[0] = 21 [ 75.146902][ T9679] chnl_net:caif_netlink_parms(): no params data found [ 75.167617][ T9679] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.174907][ T9679] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.182420][ T9679] device bridge_slave_0 entered promiscuous mode [ 75.189593][ T9679] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.196650][ T9679] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.204201][ T9679] device bridge_slave_1 entered promiscuous mode [ 75.217099][ T9679] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.227384][ T9679] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.243581][ T9679] team0: Port device team_slave_0 added [ 75.250090][ T9679] team0: Port device team_slave_1 added [ 75.300970][ T9679] device hsr_slave_0 entered promiscuous mode [ 75.369546][ T9679] device hsr_slave_1 entered promiscuous mode [ 75.424476][ T9679] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.431578][ T9679] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.438836][ T9679] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.445907][ T9679] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.469934][ T9679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.481185][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.489142][ T3025] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.496916][ T3025] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.504477][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 75.515200][ T9679] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.524135][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.532488][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.539549][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.557367][ T9679] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 75.567924][ T9679] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 75.579771][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.588112][ T3025] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.595190][ T3025] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.602979][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.611396][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 75.620322][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.628410][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.636542][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.644041][ T3025] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.657235][ T9679] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.684244][ T9679] kasan: CONFIG_KASAN_INLINE enabled [ 75.689986][ T9679] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 75.698033][ T9679] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 75.704946][ T9679] CPU: 0 PID: 9679 Comm: syz-executor412 Not tainted 5.3.0-rc7+ #0 [ 75.712815][ T9679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.722909][ T9679] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 75.728867][ T9679] 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 [ 75.748452][ T9679] RSP: 0018:ffff888095de7450 EFLAGS: 00010246 [ 75.754495][ T9679] RAX: dffffc0000000000 RBX: ffff8880a1ff1b40 RCX: ffffffff8159b24a [ 75.762445][ T9679] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a1ff1ea8 [ 75.770423][ T9679] RBP: ffff888095de7468 R08: 0000000000000004 R09: ffffed1012bbce7d [ 75.778372][ T9679] R10: ffffed1012bbce7c R11: 0000000000000003 R12: 0000000000000000 [ 75.786322][ T9679] R13: 0000000000000000 R14: ffff8880a1ff1ea0 R15: ffff8880a1ff1e00 [ 75.794273][ T9679] FS: 0000555556061880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 75.803179][ T9679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.809737][ T9679] CR2: 0000000020000610 CR3: 000000009bf66000 CR4: 00000000001406f0 [ 75.817687][ T9679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.825634][ T9679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.833588][ T9679] Call Trace: [ 75.836860][ T9679] cbs_destroy+0x7d/0x2a0 [ 75.841165][ T9679] ? cbs_init+0x25d/0x450 [ 75.845474][ T9679] ? cbs_dequeue_soft+0x410/0x410 [ 75.850576][ T9679] qdisc_create+0xbc6/0x1210 [ 75.855144][ T9679] ? tc_get_qdisc+0xc10/0xc10 [ 75.859800][ T9679] ? __nla_parse+0x43/0x60 [ 75.864192][ T9679] tc_modify_qdisc+0x524/0x1c50 [ 75.869020][ T9679] ? qdisc_create+0x1210/0x1210 [ 75.873857][ T9679] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 75.878955][ T9679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.885172][ T9679] ? qdisc_create+0x1210/0x1210 [ 75.890000][ T9679] rtnetlink_rcv_msg+0x463/0xb00 [ 75.894924][ T9679] ? rtnetlink_put_metrics+0x580/0x580 [ 75.900356][ T9679] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 75.905615][ T9679] ? __copy_skb_header+0x250/0x550 [ 75.910718][ T9679] netlink_rcv_skb+0x177/0x450 [ 75.915475][ T9679] ? rtnetlink_put_metrics+0x580/0x580 [ 75.920909][ T9679] ? netlink_ack+0xb30/0xb30 [ 75.925473][ T9679] ? netlink_deliver_tap+0x254/0xbf0 [ 75.930734][ T9679] rtnetlink_rcv+0x1d/0x30 [ 75.935122][ T9679] netlink_unicast+0x531/0x710 [ 75.939876][ T9679] ? netlink_attachskb+0x7c0/0x7c0 [ 75.944965][ T9679] ? _copy_from_iter_full+0x25d/0x8a0 [ 75.950314][ T9679] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 75.956010][ T9679] ? __check_object_size+0x3d/0x437 [ 75.961183][ T9679] netlink_sendmsg+0x8a5/0xd60 [ 75.965924][ T9679] ? netlink_unicast+0x710/0x710 [ 75.970837][ T9679] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 75.976368][ T9679] ? apparmor_socket_sendmsg+0x2a/0x30 [ 75.981835][ T9679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.988051][ T9679] ? security_socket_sendmsg+0x8d/0xc0 [ 75.993482][ T9679] ? netlink_unicast+0x710/0x710 [ 75.998403][ T9679] sock_sendmsg+0xd7/0x130 [ 76.002794][ T9679] ___sys_sendmsg+0x803/0x920 [ 76.007463][ T9679] ? copy_msghdr_from_user+0x440/0x440 [ 76.012898][ T9679] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 76.019112][ T9679] ? tomoyo_path_number_perm+0x263/0x520 [ 76.024720][ T9679] ? sock_ioctl+0x489/0x780 [ 76.029205][ T9679] ? dlci_ioctl_set+0x40/0x40 [ 76.033862][ T9679] ? dlci_ioctl_set+0x40/0x40 [ 76.038514][ T9679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.044731][ T9679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 76.050946][ T9679] ? __fget_light+0x1a9/0x230 [ 76.055609][ T9679] ? __fdget+0x1b/0x20 [ 76.059661][ T9679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 76.065885][ T9679] __sys_sendmsg+0x105/0x1d0 [ 76.070451][ T9679] ? __sys_sendmsg_sock+0xd0/0xd0 [ 76.075463][ T9679] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 76.081507][ T9679] __x64_sys_sendmsg+0x78/0xb0 [ 76.086246][ T9679] do_syscall_64+0xfd/0x6a0 [ 76.090742][ T9679] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.096623][ T9679] RIP: 0033:0x441b59 [ 76.100509][ T9679] 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 [ 76.120091][ T9679] RSP: 002b:00007ffc77e83558 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 76.128473][ T9679] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b59 [ 76.136418][ T9679] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 76.144377][ T9679] RBP: 00007ffc77e83570 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 76.152327][ T9679] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 76.160272][ T9679] R13: 00000000004030f0 R14: 0000000000000000 R15: 0000000000000000 [ 76.168222][ T9679] Modules linked in: [ 76.172333][ T9679] ---[ end trace 0fed3180b6ae63d7 ]--- [ 76.177799][ T9679] RIP: 0010:__list_del_entry_valid+0x85/0xf5 [ 76.183813][ T9679] 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 [ 76.203426][ T9679] RSP: 0018:ffff888095de7450 EFLAGS: 00010246 [ 76.209501][ T9679] RAX: dffffc0000000000 RBX: ffff8880a1ff1b40 RCX: ffffffff8159b24a [ 76.217465][ T9679] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a1ff1ea8 [ 76.225437][ T9679] RBP: ffff888095de7468 R08: 0000000000000004 R09: ffffed1012bbce7d [ 76.233409][ T9679] R10: ffffed1012bbce7c R11: 0000000000000003 R12: 0000000000000000 [ 76.241377][ T9679] R13: 0000000000000000 R14: ffff8880a1ff1ea0 R15: ffff8880a1ff1e00 [ 76.249360][ T9679] FS: 0000555556061880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 76.258272][ T9679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.264867][ T9679] CR2: 0000000020000610 CR3: 000000009bf66000 CR4: 00000000001406f0 [ 76.272851][ T9679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 76.280833][ T9679] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 76.288793][ T9679] Kernel panic - not syncing: Fatal exception [ 76.296042][ T9679] Kernel Offset: disabled [ 76.300360][ T9679] Rebooting in 86400 seconds..