[ 66.401323][ T26] audit: type=1800 audit(1568631656.558:27): pid=9793 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 66.424265][ T26] audit: type=1800 audit(1568631656.558:28): pid=9793 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 67.129877][ T26] audit: type=1800 audit(1568631657.378:29): pid=9793 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 [ 67.150353][ T26] audit: type=1800 audit(1568631657.378:30): pid=9793 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 '10.128.15.195' (ECDSA) to the list of known hosts. syzkaller login: [ 77.729527][ T9945] IPVS: ftp: loaded support on port[0] = 21 [ 77.773565][ T9945] chnl_net:caif_netlink_parms(): no params data found [ 77.795612][ T9945] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.802960][ T9945] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.810707][ T9945] device bridge_slave_0 entered promiscuous mode [ 77.817903][ T9945] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.825057][ T9945] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.832632][ T9945] device bridge_slave_1 entered promiscuous mode [ 77.846300][ T9945] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.856726][ T9945] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.873475][ T9945] team0: Port device team_slave_0 added [ 77.880192][ T9945] team0: Port device team_slave_1 added [ 77.960522][ T9945] device hsr_slave_0 entered promiscuous mode [ 78.039130][ T9945] device hsr_slave_1 entered promiscuous mode [ 78.094106][ T9945] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.101196][ T9945] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.108455][ T9945] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.115959][ T9945] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.141047][ T9945] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.151160][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.170471][ T3015] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.177892][ T3015] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.186100][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.196199][ T9945] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.205295][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.213699][ T2663] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.220829][ T2663] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.231131][ T3015] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.239593][ T3015] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.246613][ T3015] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.263938][ T9945] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 78.274524][ T9945] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.286571][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.295378][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.304267][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.312574][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.320864][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.329112][ T2663] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 78.343182][ T9945] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.372621][ T9945] netlink: 'syz-executor233': attribute type 1 has an invalid length. [ 78.381022][ T9945] kasan: CONFIG_KASAN_INLINE enabled [ 78.386329][ T9945] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 78.396091][ T9945] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 78.403031][ T9945] CPU: 0 PID: 9945 Comm: syz-executor233 Not tainted 5.3.0 #0 [ 78.410461][ T9945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.420514][ T9945] RIP: 0010:qdisc_put+0x25/0x90 [ 78.425363][ T9945] Code: 00 00 00 00 00 55 48 89 e5 41 54 49 89 fc 53 e8 81 2f bf fb 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 54 41 8b 5c 24 10 31 ff 83 e3 01 [ 78.444948][ T9945] RSP: 0018:ffff88809044f480 EFLAGS: 00010202 [ 78.450992][ T9945] RAX: dffffc0000000000 RBX: ffff888091651b00 RCX: 1ffffffff134b5fe [ 78.458948][ T9945] RDX: 0000000000000002 RSI: ffffffff85b3557f RDI: 0000000000000010 [ 78.466909][ T9945] RBP: ffff88809044f490 R08: ffff88809343a440 R09: fffffbfff134afc0 [ 78.474858][ T9945] R10: fffffbfff134afbf R11: ffffffff89a57dff R12: 0000000000000000 [ 78.482895][ T9945] R13: ffff888091651b00 R14: ffff888094508640 R15: ffff888091651b3c [ 78.490850][ T9945] FS: 0000555555d0d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.499756][ T9945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.506328][ T9945] CR2: 0000000020000610 CR3: 000000009cd53000 CR4: 00000000001406f0 [ 78.514328][ T9945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.522279][ T9945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.530225][ T9945] Call Trace: [ 78.533507][ T9945] dsmark_destroy+0x63/0xd0 [ 78.537989][ T9945] ? dsmark_peek+0x90/0x90 [ 78.542399][ T9945] qdisc_create+0xbc6/0x1210 [ 78.546973][ T9945] ? tc_get_qdisc+0xc10/0xc10 [ 78.551632][ T9945] ? __nla_parse+0x43/0x60 [ 78.556030][ T9945] tc_modify_qdisc+0x524/0x1c50 [ 78.560865][ T9945] ? qdisc_create+0x1210/0x1210 [ 78.565724][ T9945] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 78.570824][ T9945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.577058][ T9945] ? qdisc_create+0x1210/0x1210 [ 78.581898][ T9945] rtnetlink_rcv_msg+0x463/0xb00 [ 78.586836][ T9945] ? rtnetlink_put_metrics+0x580/0x580 [ 78.592290][ T9945] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 78.597562][ T9945] ? __copy_skb_header+0x250/0x550 [ 78.602667][ T9945] netlink_rcv_skb+0x177/0x450 [ 78.607424][ T9945] ? rtnetlink_put_metrics+0x580/0x580 [ 78.612950][ T9945] ? netlink_ack+0xb30/0xb30 [ 78.617523][ T9945] ? netlink_deliver_tap+0x254/0xbf0 [ 78.622791][ T9945] rtnetlink_rcv+0x1d/0x30 [ 78.627189][ T9945] netlink_unicast+0x531/0x710 [ 78.631932][ T9945] ? netlink_attachskb+0x7c0/0x7c0 [ 78.637036][ T9945] ? _copy_from_iter_full+0x25d/0x8a0 [ 78.642389][ T9945] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 78.648100][ T9945] ? __check_object_size+0x3d/0x437 [ 78.653279][ T9945] netlink_sendmsg+0x8a5/0xd60 [ 78.658026][ T9945] ? netlink_unicast+0x710/0x710 [ 78.662945][ T9945] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 78.668479][ T9945] ? apparmor_socket_sendmsg+0x2a/0x30 [ 78.673936][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.680155][ T9945] ? security_socket_sendmsg+0x8d/0xc0 [ 78.685594][ T9945] ? netlink_unicast+0x710/0x710 [ 78.690521][ T9945] sock_sendmsg+0xd7/0x130 [ 78.694918][ T9945] ___sys_sendmsg+0x803/0x920 [ 78.699592][ T9945] ? copy_msghdr_from_user+0x440/0x440 [ 78.705028][ T9945] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 78.711257][ T9945] ? tomoyo_path_number_perm+0x263/0x520 [ 78.716871][ T9945] ? sock_ioctl+0x489/0x780 [ 78.721352][ T9945] ? dlci_ioctl_set+0x40/0x40 [ 78.726013][ T9945] ? dlci_ioctl_set+0x40/0x40 [ 78.730681][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.736900][ T9945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 78.743115][ T9945] ? __fget_light+0x1a9/0x230 [ 78.747779][ T9945] ? __fdget+0x1b/0x20 [ 78.751827][ T9945] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 78.758059][ T9945] __sys_sendmsg+0x105/0x1d0 [ 78.762632][ T9945] ? __sys_sendmsg_sock+0xd0/0xd0 [ 78.767644][ T9945] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 78.773824][ T9945] __x64_sys_sendmsg+0x78/0xb0 [ 78.778587][ T9945] do_syscall_64+0xfd/0x6a0 [ 78.783085][ T9945] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.788972][ T9945] RIP: 0033:0x441b19 [ 78.792861][ T9945] 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 [ 78.812590][ T9945] RSP: 002b:00007ffdbea43b78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 78.820990][ T9945] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000441b19 [ 78.828941][ T9945] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 78.837067][ T9945] RBP: 00007ffdbea43b90 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 78.845019][ T9945] R10: 0000000001bbbbbb R11: 0000000000000246 R12: 0000000000000000 [ 78.853157][ T9945] R13: 00000000004030b0 R14: 0000000000000000 R15: 0000000000000000 [ 78.861116][ T9945] Modules linked in: [ 78.866772][ T9945] ---[ end trace 75d401f3638c97c7 ]--- [ 78.873097][ T9945] RIP: 0010:qdisc_put+0x25/0x90 [ 78.877944][ T9945] Code: 00 00 00 00 00 55 48 89 e5 41 54 49 89 fc 53 e8 81 2f bf fb 49 8d 7c 24 10 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 04 3c 03 7e 54 41 8b 5c 24 10 31 ff 83 e3 01 [ 78.897624][ T9945] RSP: 0018:ffff88809044f480 EFLAGS: 00010202 [ 78.903886][ T9945] RAX: dffffc0000000000 RBX: ffff888091651b00 RCX: 1ffffffff134b5fe [ 78.911884][ T9945] RDX: 0000000000000002 RSI: ffffffff85b3557f RDI: 0000000000000010 [ 78.919982][ T9945] RBP: ffff88809044f490 R08: ffff88809343a440 R09: fffffbfff134afc0 [ 78.928018][ T9945] R10: fffffbfff134afbf R11: ffffffff89a57dff R12: 0000000000000000 [ 78.936032][ T9945] R13: ffff888091651b00 R14: ffff888094508640 R15: ffff888091651b3c [ 78.944110][ T9945] FS: 0000555555d0d880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 78.953950][ T9945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.960614][ T9945] CR2: 0000000020000610 CR3: 000000009cd53000 CR4: 00000000001406f0 [ 78.968601][ T9945] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.976643][ T9945] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.984763][ T9945] Kernel panic - not syncing: Fatal exception [ 78.992042][ T9945] Kernel Offset: disabled [ 78.996376][ T9945] Rebooting in 86400 seconds..