[ 68.534419][ T27] audit: type=1800 audit(1564287778.147:27): pid=10134 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 68.554821][ T27] audit: type=1800 audit(1564287778.147:28): pid=10134 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. [ 69.503479][ T27] audit: type=1800 audit(1564287779.187:29): pid=10134 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 [ 69.524034][ T27] audit: type=1800 audit(1564287779.197:30): pid=10134 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 '10.128.10.29' (ECDSA) to the list of known hosts. syzkaller login: [ 76.674080][T10292] IPVS: ftp: loaded support on port[0] = 21 [ 76.717792][T10292] chnl_net:caif_netlink_parms(): no params data found [ 76.740709][T10292] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.748135][T10292] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.755655][T10292] device bridge_slave_0 entered promiscuous mode [ 76.763096][T10292] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.770252][T10292] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.777785][T10292] device bridge_slave_1 entered promiscuous mode [ 76.791825][T10292] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.802166][T10292] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.818422][T10292] team0: Port device team_slave_0 added [ 76.824872][T10292] team0: Port device team_slave_1 added [ 76.908374][T10292] device hsr_slave_0 entered promiscuous mode [ 76.957063][T10292] device hsr_slave_1 entered promiscuous mode [ 77.022427][T10292] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.029495][T10292] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.036980][T10292] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.044019][T10292] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.069988][T10292] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.081156][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.090081][ T2941] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.098234][ T2941] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.105762][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.115876][T10292] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.125219][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.133657][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.140744][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.157667][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.165923][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.173007][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.180925][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.189377][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.198771][ T2941] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 77.208462][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready executing program [ 77.219880][T10294] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 77.228789][T10292] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 77.244291][T10292] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 77.273884][T10292] Started in network mode [ 77.278931][T10292] Own node identity ac14141, cluster identity 4711 [ 77.285512][T10292] New replicast peer: 172.20.20.0 [ 77.290652][T10292] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor466/10292 [ 77.300360][T10292] caller is dst_cache_get+0x3d/0xb0 [ 77.305549][T10292] CPU: 1 PID: 10292 Comm: syz-executor466 Not tainted 5.3.0-rc1+ #79 [ 77.313597][T10292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.323637][T10292] Call Trace: [ 77.326909][T10292] dump_stack+0x172/0x1f0 [ 77.331222][T10292] debug_smp_processor_id.cold+0x87/0x9d [ 77.336834][T10292] dst_cache_get+0x3d/0xb0 [ 77.341258][T10292] tipc_udp_xmit.isra.0+0xc4/0xb80 [ 77.346388][T10292] ? kasan_kmalloc+0x9/0x10 [ 77.350873][T10292] ? tipc_udp_addr2str+0x170/0x170 [ 77.355962][T10292] ? __copy_skb_header+0x2e8/0x550 [ 77.361047][T10292] ? __skb_checksum_complete+0x3f0/0x3f0 [ 77.366658][T10292] ? netdev_alloc_frag+0x1b0/0x1b0 [ 77.371758][T10292] ? skb_copy_header+0x21/0x2b0 [ 77.376607][T10292] ? __pskb_copy_fclone+0x516/0xc90 [ 77.381786][T10292] ? lock_downgrade+0x920/0x920 [ 77.386611][T10292] tipc_udp_send_msg+0x29a/0x490 [ 77.391531][T10292] tipc_bearer_xmit_skb+0x17e/0x370 [ 77.396710][T10292] tipc_enable_bearer+0xacf/0xd30 [ 77.401714][T10292] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 77.407586][T10292] ? tipc_bearer_xmit_skb+0x370/0x370 [ 77.412949][T10292] ? nla_memcpy+0xb0/0xb0 [ 77.417276][T10292] __tipc_nl_bearer_enable+0x2de/0x3a0 [ 77.422713][T10292] ? __tipc_nl_bearer_enable+0x2de/0x3a0 [ 77.428319][T10292] ? tipc_nl_bearer_disable+0x40/0x40 [ 77.433669][T10292] ? nla_memcpy+0xb0/0xb0 [ 77.437995][T10292] ? lock_acquire+0x190/0x410 [ 77.442675][T10292] tipc_nl_bearer_enable+0x23/0x40 [ 77.447765][T10292] genl_family_rcv_msg+0x74b/0xf90 [ 77.452853][T10292] ? genl_unregister_family+0x7b0/0x7b0 [ 77.458640][T10292] ? __local_bh_enable_ip+0x15a/0x270 [ 77.463984][T10292] ? __dev_queue_xmit+0xbb5/0x3650 [ 77.469066][T10292] ? __netlink_lookup+0x3fa/0x7b0 [ 77.474083][T10292] ? __kasan_check_read+0x11/0x20 [ 77.479103][T10292] genl_rcv_msg+0xca/0x16c [ 77.483503][T10292] netlink_rcv_skb+0x177/0x450 [ 77.488259][T10292] ? genl_family_rcv_msg+0xf90/0xf90 [ 77.493516][T10292] ? netlink_ack+0xb30/0xb30 [ 77.498085][T10292] ? __kasan_check_write+0x14/0x20 [ 77.503173][T10292] ? netlink_deliver_tap+0x254/0xbf0 [ 77.508435][T10292] genl_rcv+0x29/0x40 [ 77.512392][T10292] netlink_unicast+0x531/0x710 [ 77.517204][T10292] ? netlink_attachskb+0x7c0/0x7c0 [ 77.522290][T10292] ? _copy_from_iter_full+0x25d/0x8a0 [ 77.527643][T10292] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 77.533341][T10292] ? __check_object_size+0x3d/0x43c [ 77.538518][T10292] netlink_sendmsg+0x8a5/0xd60 [ 77.543256][T10292] ? netlink_unicast+0x710/0x710 [ 77.548174][T10292] ? aa_sock_msg_perm.isra.0+0xba/0x170 [ 77.553700][T10292] ? apparmor_socket_sendmsg+0x2a/0x30 [ 77.559138][T10292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.565371][T10292] ? security_socket_sendmsg+0x8d/0xc0 [ 77.570807][T10292] ? netlink_unicast+0x710/0x710 [ 77.575762][T10292] sock_sendmsg+0xd7/0x130 [ 77.580180][T10292] ___sys_sendmsg+0x803/0x920 [ 77.584832][T10292] ? copy_msghdr_from_user+0x440/0x440 [ 77.590276][T10292] ? __kasan_check_write+0x14/0x20 [ 77.595367][T10292] ? lock_downgrade+0x920/0x920 [ 77.600199][T10292] ? debug_object_active_state+0x105/0x350 [ 77.605976][T10292] ? trace_hardirqs_on+0x67/0x240 [ 77.610979][T10292] ? __kasan_check_read+0x11/0x20 [ 77.616005][T10292] ? _raw_spin_unlock_irqrestore+0xa4/0xe0 [ 77.621794][T10292] ? debug_object_active_state+0x28a/0x350 [ 77.627577][T10292] ? debug_object_deactivate+0x320/0x320 [ 77.633190][T10292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 77.639408][T10292] ? __fget_light+0x1a9/0x230 [ 77.644058][T10292] ? __fdget+0x1b/0x20 [ 77.648104][T10292] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 77.654324][T10292] __sys_sendmsg+0x105/0x1d0 [ 77.658904][T10292] ? __sys_sendmsg_sock+0xd0/0xd0 [ 77.663900][T10292] ? task_work_run+0x63/0x1c0 [ 77.668557][T10292] ? switch_fpu_return+0x1fa/0x4f0 [ 77.673641][T10292] ? kernel_fpu_begin+0x2f0/0x2f0 [ 77.678653][T10292] ? entry_SYSENTER_compat+0x68/0x7f [ 77.683918][T10292] __ia32_compat_sys_sendmsg+0x7a/0xb0 [ 77.689357][T10292] do_fast_syscall_32+0x27b/0xdb3 [ 77.694376][T10292] entry_SYSENTER_compat+0x70/0x7f [ 77.699484][T10292] RIP: 0023:0xf7f679c9 [ 77.703544][T10292] Code: d3 83 c4 10 5b 5e 5d c3 ba 80 96 98 00 eb a9 8b 04 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 77.723126][T10292] RSP: 002b:00000000ff9fc26c EFLAGS: 00000246 ORIG_RAX: 0000000000000172 [ 77.731516][T10292] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020000100 [ 77.739479][T10292] RDX: 0000000000000000 RSI: 00000000f7f6728c RDI: 0000000000000004 [ 77.747427][T10292] RBP: 0000000056765018 R08: 0000000000000000 R09: 0000000000000000 [ 77.755371][T10292] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 77.763333][T10292] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 77.772980][T10292] Enabled bearer , priority 10