[ 79.629097][ T27] audit: type=1800 audit(1584850412.505:26): pid=9506 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. [ 80.439638][ T27] kauditd_printk_skb: 2 callbacks suppressed [ 80.439648][ T27] audit: type=1800 audit(1584850413.335:29): pid=9506 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 [ 80.466381][ T27] audit: type=1800 audit(1584850413.335:30): pid=9506 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 '10.128.15.208' (ECDSA) to the list of known hosts. 2020/03/22 04:13:45 parsed 1 programs 2020/03/22 04:13:47 executed programs: 0 syzkaller login: [ 94.283533][ T9675] IPVS: ftp: loaded support on port[0] = 21 [ 94.344406][ T9675] chnl_net:caif_netlink_parms(): no params data found [ 94.385111][ T9675] bridge0: port 1(bridge_slave_0) entered blocking state [ 94.392546][ T9675] bridge0: port 1(bridge_slave_0) entered disabled state [ 94.400544][ T9675] device bridge_slave_0 entered promiscuous mode [ 94.408735][ T9675] bridge0: port 2(bridge_slave_1) entered blocking state [ 94.416073][ T9675] bridge0: port 2(bridge_slave_1) entered disabled state [ 94.423750][ T9675] device bridge_slave_1 entered promiscuous mode [ 94.441308][ T9675] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 94.452267][ T9675] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 94.472241][ T9675] team0: Port device team_slave_0 added [ 94.479456][ T9675] team0: Port device team_slave_1 added [ 94.494876][ T9675] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 94.501896][ T9675] 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. [ 94.527819][ T9675] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 94.540302][ T9675] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 94.547243][ T9675] 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. [ 94.573283][ T9675] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 94.632313][ T9675] device hsr_slave_0 entered promiscuous mode [ 94.669961][ T9675] device hsr_slave_1 entered promiscuous mode [ 94.816719][ T9675] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 94.862993][ T9675] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 94.931952][ T9675] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 94.972330][ T9675] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 95.035575][ T9675] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.042785][ T9675] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.050638][ T9675] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.057704][ T9675] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.104209][ T9675] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.117886][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.127914][ T2700] bridge0: port 1(bridge_slave_0) entered disabled state [ 95.136910][ T2700] bridge0: port 2(bridge_slave_1) entered disabled state [ 95.145089][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 95.158403][ T9675] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.169114][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 95.177743][ T3105] bridge0: port 1(bridge_slave_0) entered blocking state [ 95.184806][ T3105] bridge0: port 1(bridge_slave_0) entered forwarding state [ 95.196198][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 95.205324][ T2700] bridge0: port 2(bridge_slave_1) entered blocking state [ 95.212511][ T2700] bridge0: port 2(bridge_slave_1) entered forwarding state [ 95.230864][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 95.239548][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 95.252062][ T3105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 95.264219][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 95.277499][ T9675] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 95.289202][ T9675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 95.297510][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 95.316359][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 95.323840][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 95.338576][ T9675] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 95.357834][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 95.366677][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 95.385995][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 95.394299][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 95.407134][ T9675] device veth0_vlan entered promiscuous mode [ 95.413763][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 95.421758][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 95.434556][ T9675] device veth1_vlan entered promiscuous mode [ 95.456336][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 95.464726][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 95.472940][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 95.481400][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 95.492312][ T9675] device veth0_macvtap entered promiscuous mode [ 95.502861][ T9675] device veth1_macvtap entered promiscuous mode [ 95.520668][ T9675] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 95.527989][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 95.538177][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 95.546466][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 95.555074][ T2700] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 95.569545][ T9675] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 95.577633][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 95.586379][ T3069] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 95.843892][ T9682] ------------[ cut here ]------------ [ 95.849414][ T9682] ODEBUG: activate active (active state 1) object type: rcu_head hint: 0x0 [ 95.858413][ T9682] WARNING: CPU: 1 PID: 9682 at lib/debugobjects.c:485 debug_print_object+0x160/0x250 [ 95.867879][ T9682] Kernel panic - not syncing: panic_on_warn set ... [ 95.874445][ T9682] CPU: 1 PID: 9682 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 95.883005][ T9682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.893049][ T9682] Call Trace: [ 95.896341][ T9682] dump_stack+0x188/0x20d [ 95.900668][ T9682] ? debug_print_object+0xe0/0x250 [ 95.905764][ T9682] panic+0x2e3/0x75c [ 95.909642][ T9682] ? add_taint.cold+0x16/0x16 [ 95.914315][ T9682] ? __probe_kernel_read+0x188/0x1d0 [ 95.919671][ T9682] ? __warn.cold+0x14/0x35 [ 95.924094][ T9682] ? __warn+0xd5/0x1c8 [ 95.928563][ T9682] ? debug_print_object+0x160/0x250 [ 95.933742][ T9682] __warn.cold+0x2f/0x35 [ 95.937971][ T9682] ? debug_print_object+0x160/0x250 [ 95.943153][ T9682] report_bug+0x27b/0x2f0 [ 95.948427][ T9682] do_error_trap+0x12b/0x220 [ 95.953003][ T9682] ? debug_print_object+0x160/0x250 [ 95.958191][ T9682] do_invalid_op+0x32/0x40 [ 95.962601][ T9682] ? debug_print_object+0x160/0x250 [ 95.967802][ T9682] invalid_op+0x23/0x30 [ 95.971959][ T9682] RIP: 0010:debug_print_object+0x160/0x250 [ 95.977744][ T9682] Code: dd c0 f3 51 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 bf 00 00 00 48 8b 14 dd c0 f3 51 88 48 c7 c7 20 e9 51 88 e8 98 c9 b1 fd <0f> 0b 83 05 eb 97 d3 06 01 48 83 c4 20 5b 5d 41 5c 41 5d c3 48 89 [ 95.997336][ T9682] RSP: 0018:ffffc900022e7178 EFLAGS: 00010282 [ 96.003392][ T9682] RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 [ 96.011391][ T9682] RDX: 0000000000000000 RSI: ffffffff815c06c1 RDI: fffff5200045ce21 [ 96.019356][ T9682] RBP: 0000000000000001 R08: ffff8880a795a040 R09: fffffbfff180e578 [ 96.027307][ T9682] R10: fffffbfff180e577 R11: ffffffff8c072bbf R12: ffffffff897acba0 [ 96.035264][ T9682] R13: 0000000000000000 R14: dffffc0000000000 R15: 1ffff9200045ce3c [ 96.043245][ T9682] ? vprintk_func+0x81/0x17e [ 96.047824][ T9682] ? debug_print_object+0x160/0x250 [ 96.053004][ T9682] ? lockdep_hardirqs_on+0x417/0x5d0 [ 96.058270][ T9682] debug_object_activate+0x346/0x470 [ 96.063539][ T9682] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 96.069327][ T9682] ? debug_object_init_on_stack+0x20/0x20 [ 96.075025][ T9682] ? find_held_lock+0x2d/0x110 [ 96.079787][ T9682] ? free_object+0x70/0x70 [ 96.084195][ T9682] ? lock_downgrade+0x7f0/0x7f0 [ 96.089042][ T9682] ? delayed_work_timer_fn+0x90/0x90 [ 96.094312][ T9682] call_rcu+0x2c/0x690 [ 96.098365][ T9682] queue_rcu_work+0x82/0xa0 [ 96.102850][ T9682] route4_change+0x19e8/0x2250 [ 96.107777][ T9682] ? route4_destroy+0x800/0x800 [ 96.112638][ T9682] ? wait_for_completion+0x3c0/0x3c0 [ 96.117930][ T9682] tc_new_tfilter+0xa59/0x20b0 [ 96.122680][ T9682] ? route4_destroy+0x800/0x800 [ 96.127518][ T9682] ? tc_del_tfilter+0x1430/0x1430 [ 96.132528][ T9682] ? __lock_acquire+0x80b/0x3ca0 [ 96.137465][ T9682] ? apparmor_capable+0x454/0x8a0 [ 96.142489][ T9682] ? rcu_read_lock_held+0x9c/0xb0 [ 96.147509][ T9682] ? tc_del_tfilter+0x1430/0x1430 [ 96.152519][ T9682] rtnetlink_rcv_msg+0x810/0xad0 [ 96.157464][ T9682] ? rtnl_bridge_getlink+0x880/0x880 [ 96.162845][ T9682] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 96.168111][ T9682] ? __copy_skb_header+0x280/0x5b0 [ 96.173201][ T9682] ? skb_splice_bits+0x1a0/0x1a0 [ 96.178129][ T9682] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 96.183924][ T9682] ? kmem_cache_alloc+0x261/0x730 [ 96.188935][ T9682] netlink_rcv_skb+0x15a/0x410 [ 96.193682][ T9682] ? rtnl_bridge_getlink+0x880/0x880 [ 96.198953][ T9682] ? netlink_ack+0xa80/0xa80 [ 96.203538][ T9682] netlink_unicast+0x537/0x740 [ 96.208461][ T9682] ? netlink_attachskb+0x810/0x810 [ 96.213552][ T9682] ? _copy_from_iter_full+0x25c/0x870 [ 96.218912][ T9682] ? __phys_addr_symbol+0x2c/0x70 [ 96.223919][ T9682] ? __check_object_size+0x171/0x437 [ 96.229204][ T9682] netlink_sendmsg+0x882/0xe10 [ 96.233953][ T9682] ? aa_af_perm+0x260/0x260 [ 96.238443][ T9682] ? netlink_unicast+0x740/0x740 [ 96.243381][ T9682] ? netlink_unicast+0x740/0x740 [ 96.248325][ T9682] sock_sendmsg+0xcf/0x120 [ 96.252723][ T9682] ____sys_sendmsg+0x6b9/0x7d0 [ 96.257469][ T9682] ? kernel_sendmsg+0x50/0x50 [ 96.262144][ T9682] ? mark_lock+0xbc/0x1220 [ 96.266555][ T9682] ___sys_sendmsg+0x100/0x170 [ 96.271227][ T9682] ? sendmsg_copy_msghdr+0x70/0x70 [ 96.276358][ T9682] ? __fget_files+0x329/0x4f0 [ 96.281025][ T9682] ? ksys_dup3+0x3c0/0x3c0 [ 96.285424][ T9682] ? lock_acquire+0x197/0x420 [ 96.290089][ T9682] ? __might_fault+0xef/0x1d0 [ 96.294763][ T9682] ? __fget_light+0x208/0x270 [ 96.299429][ T9682] __sys_sendmsg+0xec/0x1b0 [ 96.303915][ T9682] ? __sys_sendmsg_sock+0xb0/0xb0 [ 96.308917][ T9682] ? __x64_sys_futex+0x380/0x4f0 [ 96.313868][ T9682] ? trace_hardirqs_off_caller+0x55/0x230 [ 96.319582][ T9682] ? do_syscall_64+0x21/0x7d0 [ 96.324248][ T9682] do_syscall_64+0xf6/0x7d0 [ 96.328734][ T9682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.334605][ T9682] RIP: 0033:0x45c849 [ 96.338488][ T9682] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.358078][ T9682] RSP: 002b:00007f8debacdc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 96.366468][ T9682] RAX: ffffffffffffffda RBX: 00007f8debace6d4 RCX: 000000000045c849 [ 96.374423][ T9682] RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000000006 [ 96.383330][ T9682] RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 [ 96.391281][ T9682] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 96.399228][ T9682] R13: 00000000000009f9 R14: 00000000004ccb11 R15: 000000000076bf0c [ 96.408481][ T9682] Kernel Offset: disabled [ 96.412824][ T9682] Rebooting in 86400 seconds..