[ 70.426516][ T26] audit: type=1800 audit(1567872208.796:27): pid=9987 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 70.453250][ T26] audit: type=1800 audit(1567872208.796:28): pid=9987 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. [ 71.184633][ T26] audit: type=1800 audit(1567872209.626:29): pid=9987 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 [ 71.204723][ T26] audit: type=1800 audit(1567872209.626:30): pid=9987 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 '10.128.0.253' (ECDSA) to the list of known hosts. 2019/09/07 16:03:40 parsed 1 programs 2019/09/07 16:03:42 executed programs: 0 syzkaller login: [ 83.623841][T10158] IPVS: ftp: loaded support on port[0] = 21 [ 83.671934][T10158] chnl_net:caif_netlink_parms(): no params data found [ 83.696422][T10158] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.703612][T10158] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.711574][T10158] device bridge_slave_0 entered promiscuous mode [ 83.718818][T10158] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.725967][T10158] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.733523][T10158] device bridge_slave_1 entered promiscuous mode [ 83.747474][T10158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 83.757953][T10158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 83.774886][T10158] team0: Port device team_slave_0 added [ 83.781854][T10158] team0: Port device team_slave_1 added [ 83.862695][T10158] device hsr_slave_0 entered promiscuous mode [ 83.911434][T10158] device hsr_slave_1 entered promiscuous mode [ 83.956435][T10158] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.963531][T10158] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.970813][T10158] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.977893][T10158] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.004521][T10158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 84.015614][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 84.024204][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 84.032156][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 84.039802][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 84.049914][T10158] 8021q: adding VLAN 0 to HW filter on device team0 [ 84.059346][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 84.068024][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 84.075367][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 84.092373][T10160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 84.102072][T10160] bridge0: port 2(bridge_slave_1) entered blocking state [ 84.109126][T10160] bridge0: port 2(bridge_slave_1) entered forwarding state [ 84.117313][T10160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 84.126874][T10160] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 84.135321][T10160] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 84.143901][T10160] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 84.154129][T10158] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 84.166213][T10158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 84.174333][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 84.188158][T10158] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 84.727868][T10257] netlink: 20 bytes leftover after parsing attributes in process `syz-executor.0'. [ 84.762769][T10263] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 84.770709][T10263] #PF: supervisor instruction fetch in kernel mode [ 84.777212][T10263] #PF: error_code(0x0010) - not-present page [ 84.783208][T10263] PGD 94b50067 P4D 94b50067 PUD 9742d067 PMD 0 [ 84.789434][T10263] Oops: 0010 [#1] PREEMPT SMP KASAN [ 84.794615][T10263] CPU: 0 PID: 10263 Comm: syz-executor.0 Not tainted 5.3.0-rc7+ #0 [ 84.802492][T10263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.812649][T10263] RIP: 0010:0x0 [ 84.816100][T10263] Code: Bad RIP value. [ 84.820153][T10263] RSP: 0018:ffff8880a05a74d8 EFLAGS: 00010246 [ 84.826285][T10263] RAX: dffffc0000000000 RBX: ffffffff882a54e0 RCX: ffffffff85b3fcc6 [ 84.834236][T10263] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888090084140 [ 84.842195][T10263] RBP: ffff8880a05a75d0 R08: ffff88808df384c0 R09: ffff8880a05a7658 [ 84.850165][T10263] R10: ffffed10140b4ed9 R11: ffff8880a05a76cf R12: ffff888090084140 [ 84.858237][T10263] R13: 0000000000000001 R14: ffff8880a05a75a8 R15: ffffffff882a54e0 [ 84.866204][T10263] FS: 00007fe8c9cc0700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 84.875128][T10263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.881708][T10263] CR2: ffffffffffffffd6 CR3: 00000000a5850000 CR4: 00000000001406f0 [ 84.889755][T10263] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.898208][T10263] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.906258][T10263] Call Trace: [ 84.909547][T10263] tc_bind_tclass+0x13e/0x2f0 [ 84.914317][T10263] ? qdisc_class_hash_init+0x110/0x110 [ 84.920263][T10263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 84.927212][T10263] ? ns_capable_common+0x93/0x100 [ 84.932222][T10263] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 84.938103][T10263] ? qdisc_match_from_root+0x18a/0x280 [ 84.943563][T10263] tc_ctl_tclass+0xadb/0xcd0 [ 84.948135][T10263] ? qdisc_tree_reduce_backlog+0x570/0x570 [ 84.953933][T10263] ? rtnetlink_rcv_msg+0x3d0/0xb00 [ 84.959026][T10263] ? rtnetlink_rcv_msg+0x1ea/0xb00 [ 84.964124][T10263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 84.970345][T10263] ? qdisc_tree_reduce_backlog+0x570/0x570 [ 84.976169][T10263] rtnetlink_rcv_msg+0x463/0xb00 [ 84.981193][T10263] ? rtnetlink_put_metrics+0x580/0x580 [ 84.986657][T10263] ? netdev_core_pick_tx+0x2f0/0x2f0 [ 84.991963][T10263] ? __copy_skb_header+0x250/0x550 [ 84.998141][T10263] netlink_rcv_skb+0x177/0x450 [ 85.002915][T10263] ? rtnetlink_put_metrics+0x580/0x580 [ 85.008375][T10263] ? netlink_ack+0xb30/0xb30 [ 85.012969][T10263] ? netlink_deliver_tap+0x254/0xbf0 [ 85.018326][T10263] rtnetlink_rcv+0x1d/0x30 [ 85.022725][T10263] netlink_unicast+0x531/0x710 [ 85.027918][T10263] ? netlink_attachskb+0x7c0/0x7c0 [ 85.033036][T10263] ? _copy_from_iter_full+0x25d/0x8a0 [ 85.038414][T10263] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 85.044218][T10263] ? __check_object_size+0x3d/0x437 [ 85.049561][T10263] netlink_sendmsg+0x8a5/0xd60 [ 85.054326][T10263] ? netlink_unicast+0x710/0x710 [ 85.059271][T10263] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 85.064929][T10263] ? apparmor_socket_sendmsg+0x2a/0x30 [ 85.070389][T10263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 85.076638][T10263] ? security_socket_sendmsg+0x8d/0xc0 [ 85.082109][T10263] ? netlink_unicast+0x710/0x710 [ 85.087036][T10263] sock_sendmsg+0xd7/0x130 [ 85.091462][T10263] ___sys_sendmsg+0x803/0x920 [ 85.096123][T10263] ? copy_msghdr_from_user+0x440/0x440 [ 85.101571][T10263] ? __fget+0xa3/0x560 [ 85.105633][T10263] ? __fget+0x384/0x560 [ 85.109904][T10263] ? ksys_dup3+0x3e0/0x3e0 [ 85.114664][T10263] ? __might_fault+0xfb/0x1e0 [ 85.119510][T10263] ? __fget_light+0x1a9/0x230 [ 85.124181][T10263] ? __fdget+0x1b/0x20 [ 85.128240][T10263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 85.134506][T10263] __sys_sendmsg+0x105/0x1d0 [ 85.139089][T10263] ? __sys_sendmsg_sock+0xd0/0xd0 [ 85.144098][T10263] ? __x64_sys_clock_gettime+0x16d/0x240 [ 85.149715][T10263] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 85.155765][T10263] __x64_sys_sendmsg+0x78/0xb0 [ 85.160515][T10263] do_syscall_64+0xfd/0x6a0 [ 85.165028][T10263] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.170901][T10263] RIP: 0033:0x4598e9 [ 85.174883][T10263] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.194468][T10263] RSP: 002b:00007fe8c9cbfc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 85.202956][T10263] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004598e9 [ 85.211023][T10263] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000003 [ 85.218994][T10263] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 85.226959][T10263] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe8c9cc06d4 [ 85.234912][T10263] R13: 00000000004c77fb R14: 00000000004dd098 R15: 00000000ffffffff [ 85.242965][T10263] Modules linked in: [ 85.246844][T10263] CR2: 0000000000000000 [ 85.253715][T10263] ---[ end trace 39adc5ef7c7d6b08 ]--- [ 85.259219][T10263] RIP: 0010:0x0 [ 85.262731][T10263] Code: Bad RIP value. [ 85.266814][T10263] RSP: 0018:ffff8880a05a74d8 EFLAGS: 00010246 [ 85.273220][T10263] RAX: dffffc0000000000 RBX: ffffffff882a54e0 RCX: ffffffff85b3fcc6 [ 85.281476][T10263] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff888090084140 [ 85.289853][T10263] RBP: ffff8880a05a75d0 R08: ffff88808df384c0 R09: ffff8880a05a7658 [ 85.298034][T10263] R10: ffffed10140b4ed9 R11: ffff8880a05a76cf R12: ffff888090084140 [ 85.306830][T10263] R13: 0000000000000001 R14: ffff8880a05a75a8 R15: ffffffff882a54e0 [ 85.315156][T10263] FS: 00007fe8c9cc0700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.324235][T10263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.330908][T10263] CR2: ffffffffffffffd6 CR3: 00000000a5850000 CR4: 00000000001406f0 [ 85.339035][T10263] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.347231][T10263] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.355819][T10263] Kernel panic - not syncing: Fatal exception [ 85.363610][T10263] Kernel Offset: disabled [ 85.367958][T10263] Rebooting in 86400 seconds..