[ 90.159570][ T27] audit: type=1800 audit(1582750023.568:26): pid=9752 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 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. [ 91.333001][ T27] kauditd_printk_skb: 2 callbacks suppressed [ 91.333015][ T27] audit: type=1800 audit(1582750024.768:29): pid=9752 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 [ 91.360004][ T27] audit: type=1800 audit(1582750024.768:30): pid=9752 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 '10.128.0.43' (ECDSA) to the list of known hosts. syzkaller login: [ 99.665919][ T9905] IPVS: ftp: loaded support on port[0] = 21 [ 99.715535][ T9905] chnl_net:caif_netlink_parms(): no params data found [ 99.752226][ T9905] bridge0: port 1(bridge_slave_0) entered blocking state [ 99.759927][ T9905] bridge0: port 1(bridge_slave_0) entered disabled state [ 99.767682][ T9905] device bridge_slave_0 entered promiscuous mode [ 99.776522][ T9905] bridge0: port 2(bridge_slave_1) entered blocking state [ 99.784037][ T9905] bridge0: port 2(bridge_slave_1) entered disabled state [ 99.791876][ T9905] device bridge_slave_1 entered promiscuous mode [ 99.809954][ T9905] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 99.822113][ T9905] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 99.841932][ T9905] team0: Port device team_slave_0 added [ 99.849225][ T9905] team0: Port device team_slave_1 added [ 99.863939][ T9905] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 99.870975][ T9905] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 99.898112][ T9905] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 99.911433][ T9905] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 99.918407][ T9905] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 99.945724][ T9905] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 100.011489][ T9905] device hsr_slave_0 entered promiscuous mode [ 100.049822][ T9905] device hsr_slave_1 entered promiscuous mode [ 100.160412][ T9905] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 100.202668][ T9905] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 100.262655][ T9905] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 100.302709][ T9905] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 100.375420][ T9905] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.382606][ T9905] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.390587][ T9905] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.397901][ T9905] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.438058][ T9905] 8021q: adding VLAN 0 to HW filter on device bond0 [ 100.453776][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 100.464486][ T2731] bridge0: port 1(bridge_slave_0) entered disabled state [ 100.472759][ T2731] bridge0: port 2(bridge_slave_1) entered disabled state [ 100.482495][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 100.496112][ T9905] 8021q: adding VLAN 0 to HW filter on device team0 [ 100.508083][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 100.517178][ T3223] bridge0: port 1(bridge_slave_0) entered blocking state [ 100.524310][ T3223] bridge0: port 1(bridge_slave_0) entered forwarding state [ 100.536436][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 100.545532][ T2731] bridge0: port 2(bridge_slave_1) entered blocking state [ 100.552670][ T2731] bridge0: port 2(bridge_slave_1) entered forwarding state [ 100.571408][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 100.580977][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 100.593367][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 100.609331][ T9905] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 100.621185][ T9905] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 100.634236][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 100.643008][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 100.653247][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 100.670860][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 100.678354][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 100.693389][ T9905] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 100.713401][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 100.732423][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 100.741448][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 100.752891][ T9905] device veth0_vlan entered promiscuous mode [ 100.760215][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 100.768038][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 100.782675][ T9905] device veth1_vlan entered promiscuous mode [ 100.803439][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 100.812285][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 100.821195][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 100.829966][ T3223] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 100.841954][ T9905] device veth0_macvtap entered promiscuous mode [ 100.851845][ T9905] device veth1_macvtap entered promiscuous mode [ 100.869841][ T9905] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 100.877383][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 100.886122][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 100.894283][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 100.903224][ T2731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 100.914939][ T9905] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 100.923467][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 100.933444][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 101.116758][ T9905] ------------[ cut here ]------------ [ 101.122906][ T9905] kobject: (000000000a6c6a60): attempted to be registered with empty name! [ 101.132573][ T9905] WARNING: CPU: 0 PID: 9905 at lib/kobject.c:234 kobject_add_internal+0x7ac/0x9a0 [ 101.141764][ T9905] Kernel panic - not syncing: panic_on_warn set ... [ 101.148354][ T9905] CPU: 0 PID: 9905 Comm: syz-executor021 Not tainted 5.6.0-rc3-syzkaller #0 [ 101.157015][ T9905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.167293][ T9905] Call Trace: [ 101.170583][ T9905] dump_stack+0x197/0x210 [ 101.174949][ T9905] ? kobject_add_internal+0x760/0x9a0 [ 101.180326][ T9905] panic+0x2e3/0x75c [ 101.184235][ T9905] ? add_taint.cold+0x16/0x16 [ 101.188907][ T9905] ? __kasan_check_write+0x14/0x20 [ 101.194009][ T9905] ? __warn.cold+0x14/0x3e [ 101.198416][ T9905] ? __warn+0xd9/0x1cf [ 101.202508][ T9905] ? kobject_add_internal+0x7ac/0x9a0 [ 101.207983][ T9905] __warn.cold+0x2f/0x3e [ 101.212213][ T9905] ? kobject_add_internal+0x7ac/0x9a0 [ 101.217646][ T9905] report_bug+0x289/0x300 [ 101.222023][ T9905] do_error_trap+0x11b/0x200 [ 101.226617][ T9905] do_invalid_op+0x37/0x50 [ 101.231338][ T9905] ? kobject_add_internal+0x7ac/0x9a0 [ 101.236709][ T9905] invalid_op+0x23/0x30 [ 101.240863][ T9905] RIP: 0010:kobject_add_internal+0x7ac/0x9a0 [ 101.247084][ T9905] Code: 7a ca ca f9 e9 f0 f8 ff ff 4c 89 f7 e8 cd ca ca f9 e9 95 f9 ff ff e8 13 25 8c f9 4c 89 e6 48 c7 c7 a0 08 1a 89 e8 a3 76 5c f9 <0f> 0b 41 bd ea ff ff ff e9 52 ff ff ff e8 f2 24 8c f9 0f 0b e8 eb [ 101.266718][ T9905] RSP: 0018:ffffc900065eeeb0 EFLAGS: 00010286 [ 101.272791][ T9905] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 101.280771][ T9905] RDX: 0000000000000000 RSI: ffffffff815eae46 RDI: fffff52000cbddc8 [ 101.288749][ T9905] RBP: ffffc900065eef08 R08: ffff8880955d0140 R09: ffffed1015d06659 [ 101.296819][ T9905] R10: ffffed1015d06658 R11: ffff8880ae8332c7 R12: ffff8880a5100668 [ 101.304787][ T9905] R13: 0000000000000000 R14: ffff88809ffa2780 R15: 0000000000000001 [ 101.312787][ T9905] ? vprintk_func+0x86/0x189 [ 101.317390][ T9905] ? __kasan_check_write+0x14/0x20 [ 101.322506][ T9905] kobject_add+0x150/0x1c0 [ 101.326969][ T9905] ? kset_create_and_add+0x1a0/0x1a0 [ 101.332249][ T9905] ? mutex_unlock+0xd/0x10 [ 101.336704][ T9905] ? device_add+0x300/0x1d00 [ 101.341497][ T9905] device_add+0x3be/0x1d00 [ 101.345917][ T9905] ? uevent_show+0x370/0x370 [ 101.350519][ T9905] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 101.356317][ T9905] ? rdma_counter_init+0x233/0x430 [ 101.361426][ T9905] ib_register_device+0x93e/0xe40 [ 101.366456][ T9905] ? enable_device_and_get+0x3c0/0x3c0 [ 101.371960][ T9905] rxe_register_device+0x52e/0x655 [ 101.377077][ T9905] rxe_add+0x122b/0x1661 [ 101.381422][ T9905] rxe_net_add+0x91/0xf0 [ 101.385798][ T9905] rxe_newlink+0x39/0x90 [ 101.390065][ T9905] nldev_newlink+0x28a/0x430 [ 101.394658][ T9905] ? nldev_set_doit+0x420/0x420 [ 101.399596][ T9905] ? apparmor_cred_prepare+0x7b0/0x7b0 [ 101.405060][ T9905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.411334][ T9905] ? cap_capable+0x205/0x270 [ 101.415919][ T9905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.422156][ T9905] ? ns_capable+0x20/0x30 [ 101.426482][ T9905] ? __netlink_ns_capable+0x104/0x140 [ 101.431865][ T9905] ? nldev_set_doit+0x420/0x420 [ 101.436745][ T9905] rdma_nl_rcv+0x5d9/0x980 [ 101.441161][ T9905] ? rdma_nl_multicast+0x330/0x330 [ 101.446261][ T9905] ? __kasan_check_read+0x11/0x20 [ 101.451402][ T9905] ? netlink_deliver_tap+0x248/0xbf0 [ 101.456695][ T9905] ? __kasan_check_write+0x14/0x20 [ 101.461975][ T9905] netlink_unicast+0x59e/0x7e0 [ 101.466732][ T9905] ? netlink_attachskb+0x870/0x870 [ 101.471837][ T9905] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 101.477541][ T9905] ? __check_object_size+0x3d/0x437 [ 101.482737][ T9905] netlink_sendmsg+0x91c/0xea0 [ 101.487506][ T9905] ? netlink_unicast+0x7e0/0x7e0 [ 101.492430][ T9905] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 101.497991][ T9905] ? apparmor_socket_sendmsg+0x2a/0x30 [ 101.503453][ T9905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.509811][ T9905] ? security_socket_sendmsg+0x8d/0xc0 [ 101.515278][ T9905] ? netlink_unicast+0x7e0/0x7e0 [ 101.520316][ T9905] sock_sendmsg+0xd7/0x130 [ 101.525687][ T9905] ____sys_sendmsg+0x753/0x880 [ 101.530443][ T9905] ? kernel_sendmsg+0x50/0x50 [ 101.535130][ T9905] ___sys_sendmsg+0x100/0x170 [ 101.539798][ T9905] ? sendmsg_copy_msghdr+0x70/0x70 [ 101.545007][ T9905] ? do_huge_pmd_anonymous_page+0xceb/0x1a50 [ 101.551071][ T9905] ? prep_transhuge_page+0xa0/0xa0 [ 101.556285][ T9905] ? do_page_fault+0x579/0x12e1 [ 101.561357][ T9905] ? find_held_lock+0x35/0x130 [ 101.566119][ T9905] ? do_page_fault+0x579/0x12e1 [ 101.571026][ T9905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 101.577361][ T9905] ? __fget_light+0x1ad/0x270 [ 101.582042][ T9905] ? __fdget+0x1b/0x20 [ 101.586106][ T9905] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 101.592498][ T9905] __sys_sendmsg+0x105/0x1d0 [ 101.597101][ T9905] ? __sys_sendmsg_sock+0xc0/0xc0 [ 101.602138][ T9905] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.607697][ T9905] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 101.613190][ T9905] ? do_syscall_64+0x26/0x790 [ 101.617916][ T9905] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.624085][ T9905] ? do_syscall_64+0x26/0x790 [ 101.628758][ T9905] __x64_sys_sendmsg+0x78/0xb0 [ 101.633582][ T9905] do_syscall_64+0xfa/0x790 [ 101.638088][ T9905] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.643976][ T9905] RIP: 0033:0x443409 [ 101.647995][ T9905] 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 [ 101.667950][ T9905] RSP: 002b:00007ffda8bfe828 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 101.676619][ T9905] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443409 [ 101.684776][ T9905] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 0000000000000003 [ 101.692747][ T9905] RBP: 00007ffda8bfe840 R08: 0000000001bbbbbb R09: 0000000001bbbbbb [ 101.700713][ T9905] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 101.708735][ T9905] R13: 00000000004049a0 R14: 0000000000000000 R15: 0000000000000000 [ 101.718534][ T9905] Kernel Offset: disabled [ 101.722925][ T9905] Rebooting in 86400 seconds..