[ 153.242610][ T32] audit: type=1400 audit(1584352478.264:38): avc: denied { watch } for pid=12511 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 153.862639][ T32] audit: type=1800 audit(1584352478.914:39): pid=12421 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 153.894638][ T32] audit: type=1800 audit(1584352478.944:40): pid=12421 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [ 155.257769][ T32] audit: type=1400 audit(1584352480.304:41): avc: denied { map } for pid=12595 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.206' (ECDSA) to the list of known hosts. syzkaller login: [ 164.297831][ T32] audit: type=1400 audit(1584352489.344:42): avc: denied { map } for pid=12607 comm="syz-executor047" path="/root/syz-executor047574909" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 164.343648][T12608] IPVS: ftp: loaded support on port[0] = 21 [ 164.461231][T12608] chnl_net:caif_netlink_parms(): no params data found [ 164.556486][T12608] bridge0: port 1(bridge_slave_0) entered blocking state [ 164.563861][T12608] bridge0: port 1(bridge_slave_0) entered disabled state [ 164.572505][T12608] device bridge_slave_0 entered promiscuous mode [ 164.584239][T12608] bridge0: port 2(bridge_slave_1) entered blocking state [ 164.591369][T12608] bridge0: port 2(bridge_slave_1) entered disabled state [ 164.600084][T12608] device bridge_slave_1 entered promiscuous mode [ 164.633844][T12608] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 164.648695][T12608] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 164.683087][T12608] team0: Port device team_slave_0 added [ 164.695126][T12608] team0: Port device team_slave_1 added [ 164.723338][T12608] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 164.730318][T12608] 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. [ 164.756319][T12608] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 164.770795][T12608] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 164.777946][T12608] 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. [ 164.804170][T12608] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 164.906342][T12608] device hsr_slave_0 entered promiscuous mode [ 164.952780][T12608] device hsr_slave_1 entered promiscuous mode [ 165.146821][ T32] audit: type=1400 audit(1584352490.194:43): avc: denied { create } for pid=12608 comm="syz-executor047" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 165.154927][T12608] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 165.171976][ T32] audit: type=1400 audit(1584352490.194:44): avc: denied { write } for pid=12608 comm="syz-executor047" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 165.203641][ T32] audit: type=1400 audit(1584352490.194:45): avc: denied { read } for pid=12608 comm="syz-executor047" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 165.248700][T12608] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 165.308071][T12608] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 165.368180][T12608] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 165.586375][T12608] 8021q: adding VLAN 0 to HW filter on device bond0 [ 165.611106][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 165.620438][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 165.638473][T12608] 8021q: adding VLAN 0 to HW filter on device team0 [ 165.656492][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 165.666022][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 165.675617][T12614] bridge0: port 1(bridge_slave_0) entered blocking state [ 165.682876][T12614] bridge0: port 1(bridge_slave_0) entered forwarding state [ 165.696102][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 165.709855][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 165.720009][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 165.729715][ T31] bridge0: port 2(bridge_slave_1) entered blocking state [ 165.737021][ T31] bridge0: port 2(bridge_slave_1) entered forwarding state [ 165.755754][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 165.775854][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 165.804895][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 165.814894][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 165.825583][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 165.835500][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 165.848663][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 165.865373][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 165.874541][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 165.894531][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 165.904442][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 165.921531][T12608] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 165.966217][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 165.974380][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 166.000996][T12608] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 166.046936][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 166.056591][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 166.097386][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 166.106713][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 166.119336][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 166.128322][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 166.141004][T12608] device veth0_vlan entered promiscuous mode [ 166.165438][T12608] device veth1_vlan entered promiscuous mode [ 166.222690][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 166.231492][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 166.240534][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 166.249660][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 166.268390][T12608] device veth0_macvtap entered promiscuous mode [ 166.289838][T12608] device veth1_macvtap entered promiscuous mode [ 166.329297][T12608] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 166.337307][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 166.346510][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 166.355458][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 166.365119][ T31] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 166.387724][T12608] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 166.395727][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 166.406021][T12614] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 166.722899][ C0] ===================================================== [ 166.729972][ C0] BUG: KMSAN: use-after-free in find_match+0x317/0x1480 [ 166.736890][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.6.0-rc2-syzkaller #0 [ 166.744947][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.754987][ C0] Call Trace: [ 166.758268][ C0] dump_stack+0x1c9/0x220 [ 166.762599][ C0] kmsan_report+0xf7/0x1e0 [ 166.767072][ C0] __msan_warning+0x58/0xa0 [ 166.771583][ C0] find_match+0x317/0x1480 [ 166.775992][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 166.781177][ C0] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 166.786970][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 166.792215][ C0] __find_rr_leaf+0x3f9/0x1160 [ 166.797035][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 166.802144][ C0] fib6_table_lookup+0x586/0x1420 [ 166.807204][ C0] ip6_pol_route+0x203/0x2960 [ 166.811875][ C0] ? nf_ip6_checksum+0x501/0x610 [ 166.816803][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 166.822051][ C0] ip6_pol_route_input+0x123/0x140 [ 166.827164][ C0] fib6_rule_lookup+0x38f/0xa10 [ 166.832004][ C0] ? ip6_route_input_lookup+0x1f0/0x1f0 [ 166.837546][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 166.842739][ C0] ip6_route_input+0xb9d/0xcf0 [ 166.847511][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 166.852722][ C0] ip6_rcv_finish_core+0x1f9/0x470 [ 166.857827][ C0] ipv6_rcv+0x628/0x710 [ 166.861983][ C0] ? local_bh_enable+0x40/0x40 [ 166.866739][ C0] process_backlog+0xa41/0x1410 [ 166.871583][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 166.876718][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 166.881905][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 166.887180][ C0] net_rx_action+0x786/0x1aa0 [ 166.892002][ C0] ? net_tx_action+0xc30/0xc30 [ 166.896817][ C0] __do_softirq+0x311/0x83d [ 166.901325][ C0] ? ksoftirqd_should_run+0x30/0x30 [ 166.906509][ C0] ? takeover_tasklets+0x8f0/0x8f0 [ 166.911617][ C0] run_ksoftirqd+0x25/0x40 [ 166.916022][ C0] smpboot_thread_fn+0x493/0x980 [ 166.920967][ C0] kthread+0x4b5/0x4f0 [ 166.925023][ C0] ? cpu_report_death+0x180/0x180 [ 166.930046][ C0] ? kthread_blkcg+0xf0/0xf0 [ 166.934624][ C0] ret_from_fork+0x35/0x40 [ 166.939054][ C0] [ 166.941391][ C0] Uninit was created at: [ 166.945630][ C0] kmsan_internal_poison_shadow+0x66/0xd0 [ 166.951346][ C0] kmsan_slab_free+0x6e/0xb0 [ 166.955922][ C0] kfree+0x565/0x30a0 [ 166.959907][ C0] netdev_name_node_alt_destroy+0x587/0x690 [ 166.965795][ C0] rtnl_linkprop+0x939/0xc00 [ 166.970366][ C0] rtnl_dellinkprop+0x9d/0xb0 [ 166.975026][ C0] rtnetlink_rcv_msg+0x1153/0x1570 [ 166.980117][ C0] netlink_rcv_skb+0x451/0x650 [ 166.984861][ C0] rtnetlink_rcv+0x50/0x60 [ 166.989291][ C0] netlink_unicast+0xf9e/0x1100 [ 166.994153][ C0] netlink_sendmsg+0x1246/0x14d0 [ 166.999071][ C0] ____sys_sendmsg+0x12b6/0x1350 [ 167.003987][ C0] __sys_sendmsg+0x451/0x5f0 [ 167.008558][ C0] __ia32_compat_sys_sendmsg+0xed/0x130 [ 167.014083][ C0] do_fast_syscall_32+0x3c7/0x6e0 [ 167.019092][ C0] entry_SYSENTER_compat+0x68/0x77 [ 167.024176][ C0] ===================================================== [ 167.031085][ C0] Disabling lock debugging due to kernel taint [ 167.037216][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 167.043785][ C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Tainted: G B 5.6.0-rc2-syzkaller #0 [ 167.053213][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.063258][ C0] Call Trace: [ 167.066536][ C0] dump_stack+0x1c9/0x220 [ 167.070880][ C0] panic+0x3d5/0xc3e [ 167.074814][ C0] kmsan_report+0x1df/0x1e0 [ 167.079309][ C0] __msan_warning+0x58/0xa0 [ 167.083827][ C0] find_match+0x317/0x1480 [ 167.088238][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 167.093424][ C0] ? kmsan_get_shadow_origin_ptr+0x81/0xb0 [ 167.099229][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 167.104430][ C0] __find_rr_leaf+0x3f9/0x1160 [ 167.109204][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 167.114307][ C0] fib6_table_lookup+0x586/0x1420 [ 167.119362][ C0] ip6_pol_route+0x203/0x2960 [ 167.124029][ C0] ? nf_ip6_checksum+0x501/0x610 [ 167.128958][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 167.134255][ C0] ip6_pol_route_input+0x123/0x140 [ 167.139369][ C0] fib6_rule_lookup+0x38f/0xa10 [ 167.144206][ C0] ? ip6_route_input_lookup+0x1f0/0x1f0 [ 167.149759][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 167.154952][ C0] ip6_route_input+0xb9d/0xcf0 [ 167.159718][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 167.164927][ C0] ip6_rcv_finish_core+0x1f9/0x470 [ 167.170044][ C0] ipv6_rcv+0x628/0x710 [ 167.174211][ C0] ? local_bh_enable+0x40/0x40 [ 167.178967][ C0] process_backlog+0xa41/0x1410 [ 167.183816][ C0] ? kmsan_get_metadata+0x4f/0x180 [ 167.188924][ C0] ? kmsan_get_metadata+0x11d/0x180 [ 167.194126][ C0] ? rps_trigger_softirq+0x2e0/0x2e0 [ 167.199407][ C0] net_rx_action+0x786/0x1aa0 [ 167.204096][ C0] ? net_tx_action+0xc30/0xc30 [ 167.208849][ C0] __do_softirq+0x311/0x83d [ 167.213356][ C0] ? ksoftirqd_should_run+0x30/0x30 [ 167.218538][ C0] ? takeover_tasklets+0x8f0/0x8f0 [ 167.223631][ C0] run_ksoftirqd+0x25/0x40 [ 167.228033][ C0] smpboot_thread_fn+0x493/0x980 [ 167.232978][ C0] kthread+0x4b5/0x4f0 [ 167.237028][ C0] ? cpu_report_death+0x180/0x180 [ 167.242046][ C0] ? kthread_blkcg+0xf0/0xf0 [ 167.246623][ C0] ret_from_fork+0x35/0x40 [ 167.252083][ C0] Kernel Offset: 0x2600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 167.263631][ C0] Rebooting in 86400 seconds..