[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[   47.696254] kauditd_printk_skb: 7 callbacks suppressed
[   47.696266] audit: type=1800 audit(1556283908.499:33): pid=7767 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=2465 res=0
[   47.724452] audit: type=1800 audit(1556283908.499:34): pid=7767 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=2456 res=0

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   53.025229] audit: type=1400 audit(1556283913.829:35): avc:  denied  { map } for  pid=7940 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
Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts.
[  121.988680] audit: type=1400 audit(1556283982.799:36): avc:  denied  { map } for  pid=7952 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
2019/04/26 13:06:23 parsed 1 programs
[  122.755643] audit: type=1400 audit(1556283983.559:37): avc:  denied  { map } for  pid=7952 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=4643 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1
2019/04/26 13:06:26 executed programs: 0
[  125.325044] IPVS: ftp: loaded support on port[0] = 21
[  125.330456] IPVS: ftp: loaded support on port[0] = 21
[  125.338523] IPVS: ftp: loaded support on port[0] = 21
[  125.339497] IPVS: ftp: loaded support on port[0] = 21
[  125.354365] IPVS: ftp: loaded support on port[0] = 21
[  125.431183] IPVS: ftp: loaded support on port[0] = 21
[  125.539228] chnl_net:caif_netlink_parms(): no params data found
[  125.649539] bridge0: port 1(bridge_slave_0) entered blocking state
[  125.656028] bridge0: port 1(bridge_slave_0) entered disabled state
[  125.663601] device bridge_slave_0 entered promiscuous mode
[  125.670933] bridge0: port 2(bridge_slave_1) entered blocking state
[  125.677355] bridge0: port 2(bridge_slave_1) entered disabled state
[  125.684282] device bridge_slave_1 entered promiscuous mode
[  125.695284] chnl_net:caif_netlink_parms(): no params data found
[  125.723936] chnl_net:caif_netlink_parms(): no params data found
[  125.738535] chnl_net:caif_netlink_parms(): no params data found
[  125.758764] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  125.792135] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  125.830707] bridge0: port 1(bridge_slave_0) entered blocking state
[  125.837673] bridge0: port 1(bridge_slave_0) entered disabled state
[  125.844734] device bridge_slave_0 entered promiscuous mode
[  125.855263] chnl_net:caif_netlink_parms(): no params data found
[  125.879505] bridge0: port 2(bridge_slave_1) entered blocking state
[  125.885855] bridge0: port 2(bridge_slave_1) entered disabled state
[  125.893646] device bridge_slave_1 entered promiscuous mode
[  125.900899] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[  125.908425] team0: Port device team_slave_0 added
[  125.959718] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[  125.967510] team0: Port device team_slave_1 added
[  125.980329] bridge0: port 1(bridge_slave_0) entered blocking state
[  125.987071] bridge0: port 1(bridge_slave_0) entered disabled state
[  125.994031] device bridge_slave_0 entered promiscuous mode
[  126.002358] bridge0: port 2(bridge_slave_1) entered blocking state
[  126.008776] bridge0: port 2(bridge_slave_1) entered disabled state
[  126.015728] device bridge_slave_1 entered promiscuous mode
[  126.028097] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[  126.039484] bridge0: port 1(bridge_slave_0) entered blocking state
[  126.045865] bridge0: port 1(bridge_slave_0) entered disabled state
[  126.053015] device bridge_slave_0 entered promiscuous mode
[  126.062874] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  126.070856] chnl_net:caif_netlink_parms(): no params data found
[  126.088712] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[  126.102329] bridge0: port 2(bridge_slave_1) entered blocking state
[  126.109151] bridge0: port 2(bridge_slave_1) entered disabled state
[  126.116216] device bridge_slave_1 entered promiscuous mode
[  126.123421] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  126.150243] bridge0: port 1(bridge_slave_0) entered blocking state
[  126.156633] bridge0: port 1(bridge_slave_0) entered disabled state
[  126.163885] device bridge_slave_0 entered promiscuous mode
[  126.174297] bridge0: port 2(bridge_slave_1) entered blocking state
[  126.181089] bridge0: port 2(bridge_slave_1) entered disabled state
[  126.188095] device bridge_slave_1 entered promiscuous mode
[  126.200696] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  126.248943] device hsr_slave_0 entered promiscuous mode
[  126.307096] device hsr_slave_1 entered promiscuous mode
[  126.350812] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[  126.357802] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[  126.381312] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  126.390054] bridge0: port 1(bridge_slave_0) entered blocking state
[  126.396391] bridge0: port 1(bridge_slave_0) entered disabled state
[  126.403970] device bridge_slave_0 entered promiscuous mode
[  126.412004] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  126.419958] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[  126.427667] team0: Port device team_slave_0 added
[  126.433822] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  126.442733] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  126.455168] bridge0: port 2(bridge_slave_1) entered blocking state
[  126.461680] bridge0: port 2(bridge_slave_1) entered disabled state
[  126.468865] device bridge_slave_1 entered promiscuous mode
[  126.476078] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  126.483960] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[  126.491530] team0: Port device team_slave_1 added
[  126.500744] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[  126.525502] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[  126.533287] team0: Port device team_slave_0 added
[  126.545039] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[  126.555497] team0: Port device team_slave_1 added
[  126.561030] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[  126.588776] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[  126.596225] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[  126.603969] team0: Port device team_slave_0 added
[  126.670181] device hsr_slave_0 entered promiscuous mode
[  126.717143] device hsr_slave_1 entered promiscuous mode
[  126.757423] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[  126.765201] team0: Port device team_slave_0 added
[  126.771915] bond0: Enslaving bond_slave_0 as an active interface with an up link
[  126.779932] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[  126.790050] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[  126.798505] team0: Port device team_slave_1 added
[  126.804049] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[  126.821436] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[  126.828553] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[  126.835863] team0: Port device team_slave_1 added
[  126.842316] bond0: Enslaving bond_slave_1 as an active interface with an up link
[  126.858914] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[  126.872261] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[  126.879712] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[  126.893799] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[  126.958697] device hsr_slave_0 entered promiscuous mode
[  127.017044] device hsr_slave_1 entered promiscuous mode
[  127.057502] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[  127.071777] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[  127.080164] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready
[  127.087986] team0: Port device team_slave_0 added
[  127.093316] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[  127.159986] device hsr_slave_0 entered promiscuous mode
[  127.197220] device hsr_slave_1 entered promiscuous mode
[  127.244159] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready
[  127.252346] team0: Port device team_slave_1 added
[  127.260680] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[  127.310098] device hsr_slave_0 entered promiscuous mode
[  127.357114] device hsr_slave_1 entered promiscuous mode
[  127.407382] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready
[  127.414847] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[  127.423136] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[  127.435082] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[  127.444868] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready
[  127.479714] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[  127.529955] device hsr_slave_0 entered promiscuous mode
[  127.577192] device hsr_slave_1 entered promiscuous mode
[  127.617785] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready
[  127.625042] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready
[  127.649911] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[  127.677436] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[  127.685527] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[  127.715010] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready
[  127.744068] 8021q: adding VLAN 0 to HW filter on device bond0
[  127.753183] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  127.793875] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[  127.812597] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  127.822067] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  127.831685] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[  127.838033] 8021q: adding VLAN 0 to HW filter on device team0
[  127.865685] 8021q: adding VLAN 0 to HW filter on device bond0
[  127.874523] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  127.891564] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  127.910729] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  127.918674] bridge0: port 1(bridge_slave_0) entered blocking state
[  127.925112] bridge0: port 1(bridge_slave_0) entered forwarding state
[  127.934936] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  127.952283] 8021q: adding VLAN 0 to HW filter on device bond0
[  127.962344] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  127.971414] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[  127.982170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  127.990174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  127.998141] bridge0: port 2(bridge_slave_1) entered blocking state
[  128.004532] bridge0: port 2(bridge_slave_1) entered forwarding state
[  128.034660] 8021q: adding VLAN 0 to HW filter on device bond0
[  128.041912] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[  128.052938] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  128.063887] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[  128.072632] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[  128.081287] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[  128.089618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  128.096594] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  128.103692] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  128.110857] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  128.125544] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[  128.139768] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  128.152457] 8021q: adding VLAN 0 to HW filter on device bond0
[  128.160847] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[  128.172075] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[  128.181009] 8021q: adding VLAN 0 to HW filter on device team0
[  128.192144] 8021q: adding VLAN 0 to HW filter on device bond0
[  128.200221] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[  128.206294] 8021q: adding VLAN 0 to HW filter on device team0
[  128.213736] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  128.223024] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[  128.232513] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[  128.242129] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[  128.248719] 8021q: adding VLAN 0 to HW filter on device team0
[  128.255618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[  128.264029] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  128.272322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  128.279442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  128.286324] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  128.295676] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready
[  128.303436] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  128.314428] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  128.323090] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[  128.331647] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  128.341671] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[  128.350550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  128.359079] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  128.366648] bridge0: port 1(bridge_slave_0) entered blocking state
[  128.373066] bridge0: port 1(bridge_slave_0) entered forwarding state
[  128.380656] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  128.388808] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  128.396339] bridge0: port 2(bridge_slave_1) entered blocking state
[  128.402737] bridge0: port 2(bridge_slave_1) entered forwarding state
[  128.409622] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  128.416455] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  128.423569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  128.431376] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  128.439096] bridge0: port 1(bridge_slave_0) entered blocking state
[  128.445448] bridge0: port 1(bridge_slave_0) entered forwarding state
[  128.452676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[  128.463150] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  128.471707] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[  128.479277] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[  128.487935] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  128.498312] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready
[  128.506330] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[  128.515308] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[  128.523772] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[  128.530145] 8021q: adding VLAN 0 to HW filter on device team0
[  128.537441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  128.545374] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  128.552997] bridge0: port 1(bridge_slave_0) entered blocking state
[  128.559389] bridge0: port 1(bridge_slave_0) entered forwarding state
[  128.566243] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[  128.573349] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[  128.580532] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[  128.588297] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  128.595750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[  128.604280] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[  128.613204] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  128.622152] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  128.632370] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[  128.644642] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready
[  128.651801] 8021q: adding VLAN 0 to HW filter on device team0
[  128.659062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  128.667588] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  128.675230] bridge0: port 2(bridge_slave_1) entered blocking state
[  128.681622] bridge0: port 2(bridge_slave_1) entered forwarding state
[  128.688831] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  128.696610] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  128.704356] bridge0: port 2(bridge_slave_1) entered blocking state
[  128.710765] bridge0: port 2(bridge_slave_1) entered forwarding state
[  128.718144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[  128.725702] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  128.736166] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[  128.746079] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[  128.754825] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  128.766221] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[  128.772791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  128.782753] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready
[  128.790363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[  128.798557] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[  128.806308] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  128.814381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  128.822238] bridge0: port 1(bridge_slave_0) entered blocking state
[  128.828640] bridge0: port 1(bridge_slave_0) entered forwarding state
[  128.835489] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[  128.843383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[  128.850989] bridge0: port 1(bridge_slave_0) entered blocking state
[  128.857399] bridge0: port 1(bridge_slave_0) entered forwarding state
[  128.866009] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[  128.876420] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[  128.888803] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[  128.903081] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[  128.912691] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[  128.920455] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[  128.927848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[  128.935550] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[  128.943571] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[  128.951990] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  128.960365] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[  128.968738] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  128.976964] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  128.986409] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[  128.997303] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[  129.011288] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[  129.023479] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  129.034456] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[  129.041775] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[  129.051502] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[  129.061402] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  129.069726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[  129.077944] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  129.085612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  129.093670] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  129.101542] bridge0: port 2(bridge_slave_1) entered blocking state
[  129.107951] bridge0: port 2(bridge_slave_1) entered forwarding state
[  129.114859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[  129.122590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  129.130579] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  129.137808] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  129.146091] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready
[  129.154461] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[  129.162580] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[  129.172086] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[  129.182642] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[  129.189963] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[  129.198699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[  129.206337] bridge0: port 2(bridge_slave_1) entered blocking state
[  129.212745] bridge0: port 2(bridge_slave_1) entered forwarding state
[  129.219832] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[  129.227883] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  129.235418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[  129.243346] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[  129.250857] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  129.261303] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready
[  129.273325] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[  129.283495] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[  129.292953] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[  129.300756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  129.308392] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[  129.316272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[  129.324456] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  129.332300] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[  129.342561] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[  129.353157] 8021q: adding VLAN 0 to HW filter on device batadv0
[  129.364745] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready
[  129.376010] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[  129.384725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[  129.392891] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  129.401879] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[  129.409867] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[  129.418106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  129.425675] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  129.437329] audit: type=1400 audit(1556283990.249:38): avc:  denied  { associate } for  pid=7979 comm="syz-executor.1" name="syz1" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1
[  129.438036] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[  129.479932] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready
[  129.490725] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[  129.506054] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[  129.514442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[  129.522928] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  129.531301] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[  129.539755] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[  129.547584] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[  129.555272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  129.563558] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[  129.573568] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready
[  129.582313] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[  129.594631] 8021q: adding VLAN 0 to HW filter on device batadv0
[  129.604523] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[  129.613433] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[  129.626500] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[  129.635241] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  129.653618] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[  129.663973] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[  129.672490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  129.685290] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[  129.696430] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[  129.706392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  129.714961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[  129.723369] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  129.733825] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[  129.749138] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready
[  129.764906] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[  129.775244] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  129.812316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[  129.829227] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  129.842957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[  129.851096] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[  129.861719] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready
[  129.870830] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[  129.878890] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  129.888302] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[  129.898386] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[  129.910030] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[  129.922040] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready
[  129.935990] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[  129.984891] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[  130.004739] 8021q: adding VLAN 0 to HW filter on device batadv0
[  130.025356] 8021q: adding VLAN 0 to HW filter on device batadv0
[  130.034625] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[  130.055455] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready
[  130.109356] 8021q: adding VLAN 0 to HW filter on device batadv0
[  130.167166] 8021q: adding VLAN 0 to HW filter on device batadv0
2019/04/26 13:06:31 executed programs: 15
[  133.219538] hrtimer: interrupt took 553254 ns
2019/04/26 13:06:36 executed programs: 223
[  288.617091] INFO: task syz-executor.1:9688 blocked for more than 140 seconds.
[  288.624737]       Not tainted 4.19.36 #4
[  288.635818] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  288.644209] syz-executor.1  D28216  9688   7979 0x80000000
[  288.661719] Call Trace:
[  288.665034]  __schedule+0x813/0x1d00
[  288.675732]  ? pci_mmcfg_check_reserved+0x170/0x170
[  288.681132]  ? rwsem_down_read_failed+0x1e1/0x3c0
[  288.685992]  ? _raw_spin_unlock_irq+0x28/0x90
[  288.696951]  ? lockdep_hardirqs_on+0x415/0x5d0
[  288.701567]  schedule+0x92/0x1c0
[  288.704924]  rwsem_down_read_failed+0x219/0x3c0
[  288.709817]  ? __rwsem_down_read_failed_common.part.0+0x80/0x80
[  288.715990]  ? __might_fault+0x12b/0x1e0
[  288.720542]  call_rwsem_down_read_failed+0x18/0x30
[  288.725503]  down_read+0x49/0xb0
[  288.729320]  ? do_exit+0x45b/0x2fa0
[  288.732977]  do_exit+0x45b/0x2fa0
[  288.736453]  ? do_group_exit+0x2e9/0x370
[  288.740899]  ? mm_update_next_owner+0x660/0x660
[  288.745605]  ? _raw_spin_unlock_irq+0x28/0x90
[  288.750478]  ? do_group_exit+0x2e9/0x370
[  288.754561]  ? _raw_spin_unlock_irq+0x28/0x90
[  288.759463]  ? lockdep_hardirqs_on+0x415/0x5d0
[  288.764153]  ? trace_hardirqs_on+0x67/0x230
[  288.769843]  ? kasan_check_read+0x11/0x20
[  288.774042]  do_group_exit+0x135/0x370
[  288.782339]  __x64_sys_exit_group+0x44/0x50
[  288.789261]  do_syscall_64+0x103/0x610
[  288.793216]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  288.803644] RIP: 0033:0x458da9
[  288.809317] Code: Bad RIP value.
[  288.812709] RSP: 002b:00007ffd62c4feb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  288.824717] RAX: ffffffffffffffda RBX: 000000000000001e RCX: 0000000000458da9
[  288.834167] RDX: 0000000000412b61 RSI: fffffffffffffff7 RDI: 0000000000000000
[  288.845798] RBP: 0000000000000000 R08: ffffffffffffffff R09: 00007ffd62c4ff10
[  288.855345] R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000001
[  288.870142] R13: 00007ffd62c4ff10 R14: 0000000000000000 R15: 00007ffd62c4ff20
[  288.879756] INFO: task syz-executor.1:9692 blocked for more than 140 seconds.
[  288.891310]       Not tainted 4.19.36 #4
[  288.895380] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  288.905680] syz-executor.1  D27256  9692   7979 0x80000000
[  288.915796] Call Trace:
[  288.920768]  __schedule+0x813/0x1d00
[  288.924516]  ? pci_mmcfg_check_reserved+0x170/0x170
[  288.934979]  ? rwsem_down_read_failed+0x1e1/0x3c0
[  288.942765]  ? _raw_spin_unlock_irq+0x28/0x90
[  288.951643]  ? lockdep_hardirqs_on+0x415/0x5d0
[  288.956254]  schedule+0x92/0x1c0
[  288.961990]  rwsem_down_read_failed+0x219/0x3c0
[  288.970972]  ? __rwsem_down_read_failed_common.part.0+0x80/0x80
[  288.979387]  ? __might_fault+0x12b/0x1e0
[  288.983509]  call_rwsem_down_read_failed+0x18/0x30
[  288.992996]  down_read+0x49/0xb0
[  288.996444]  ? do_exit+0x45b/0x2fa0
[  289.002419]  do_exit+0x45b/0x2fa0
[  289.006069]  ? __mutex_unlock_slowpath+0x307/0x6b0
[  289.015656]  ? trace_hardirqs_on+0x67/0x230
[  289.022395]  ? get_signal+0x331/0x1d50
[  289.026319]  ? mm_update_next_owner+0x660/0x660
[  289.035412]  ? _raw_spin_unlock_irq+0x28/0x90
[  289.042349]  ? get_signal+0x331/0x1d50
[  289.050978]  ? _raw_spin_unlock_irq+0x28/0x90
[  289.055506]  do_group_exit+0x135/0x370
[  289.062592]  get_signal+0x399/0x1d50
[  289.066336]  ? __might_fault+0x12b/0x1e0
[  289.074835]  do_signal+0x95/0x1950
[  289.080704]  ? setup_sigcontext+0x7d0/0x7d0
[  289.085053]  ? kasan_check_read+0x11/0x20
[  289.093603]  ? _copy_to_user+0xc9/0x120
[  289.103309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.113288]  ? __x64_sys_futex+0x40d/0x590
[  289.119830]  ? exit_to_usermode_loop+0x43/0x2c0
[  289.124522]  ? do_syscall_64+0x52d/0x610
[  289.132891]  ? exit_to_usermode_loop+0x43/0x2c0
[  289.139920]  ? lockdep_hardirqs_on+0x415/0x5d0
[  289.144544]  ? trace_hardirqs_on+0x67/0x230
[  289.153260]  exit_to_usermode_loop+0x244/0x2c0
[  289.160255]  do_syscall_64+0x52d/0x610
[  289.164176]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  289.173607] RIP: 0033:0x458da9
[  289.179729] Code: Bad RIP value.
[  289.183132] RSP: 002b:00007f033cb3dcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
[  289.195980] RAX: fffffffffffffe00 RBX: 000000000073bf08 RCX: 0000000000458da9
[  289.205480] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000073bf08
[  289.219585] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
[  289.230246] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000073bf0c
[  289.240721] R13: 00007ffd62c4fcaf R14: 00007f033cb3e9c0 R15: 000000000073bf0c
[  289.251216] 
[  289.251216] Showing all locks held in the system:
[  289.261918] 1 lock held by khungtaskd/1031:
[  289.266252]  #0: 0000000016661b25 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x27e
[  289.281559] 1 lock held by rsyslogd/7805:
[  289.285722]  #0: 00000000432dccd9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110
[  289.294898] 2 locks held by getty/7927:
[  289.304089]  #0: 0000000078e0119e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[  289.313598]  #1: 00000000e0b87d03 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30
[  289.329917] 2 locks held by getty/7928:
[  289.333905]  #0: 000000005aa91a62 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[  289.351448]  #1: 00000000b9341377 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30
[  289.361605] 2 locks held by getty/7929:
[  289.365606]  #0: 0000000040df84f5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[  289.380350]  #1: 00000000b3ca4b38 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30
[  289.391560] 2 locks held by getty/7930:
[  289.395549]  #0: 00000000a50d5fd1 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[  289.410714]  #1: 0000000096546860 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30
[  289.421896] 2 locks held by getty/7931:
[  289.425881]  #0: 000000006ebf17e6 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[  289.441012]  #1: 00000000349b0877 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30
[  289.452145] 2 locks held by getty/7932:
[  289.456137]  #0: 00000000831a99ba (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[  289.471643]  #1: 0000000074a92477 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30
[  289.481823] 2 locks held by getty/7933:
[  289.485819]  #0: 000000002c4991f8 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40
[  289.500450]  #1: 00000000b742a830 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x232/0x1b30
[  289.511662] 1 lock held by syz-executor.1/9688:
[  289.516354]  #0: 00000000bd90d686 (&mm->mmap_sem){++++}, at: do_exit+0x45b/0x2fa0
[  289.530393] 1 lock held by syz-executor.1/9692:
[  289.535092]  #0: 00000000bd90d686 (&mm->mmap_sem){++++}, at: do_exit+0x45b/0x2fa0
[  289.544976] 2 locks held by syz-executor.1/9696:
[  289.553934] 
[  289.555575] =============================================
[  289.555575] 
[  289.564926] NMI backtrace for cpu 0
[  289.568680] CPU: 0 PID: 1031 Comm: khungtaskd Not tainted 4.19.36 #4
[  289.575188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.584553] Call Trace:
[  289.587223]  dump_stack+0x172/0x1f0
[  289.591046]  nmi_cpu_backtrace.cold+0x63/0xa4
[  289.595599]  ? lapic_can_unplug_cpu.cold+0x38/0x38
[  289.600550]  nmi_trigger_cpumask_backtrace+0x1b0/0x1f8
[  289.605841]  arch_trigger_cpumask_backtrace+0x14/0x20
[  289.611055]  watchdog+0x9df/0xee0
[  289.614574]  kthread+0x357/0x430
[  289.617961]  ? reset_hung_task_detector+0x30/0x30
[  289.622833]  ? kthread_delayed_work_timer_fn+0x290/0x290
[  289.628294]  ret_from_fork+0x3a/0x50
[  289.632248] Sending NMI from CPU 0 to CPUs 1:
[  289.637234] NMI backtrace for cpu 1
[  289.637240] CPU: 1 PID: 7 Comm: kworker/u4:0 Not tainted 4.19.36 #4
[  289.637246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.637263] Workqueue: bat_events batadv_nc_worker
[  289.637270] RIP: 0010:write_comp_data+0x0/0x70
[  289.637293] Code: 83 fa 02 75 20 48 8b 88 d8 12 00 00 8b 80 d4 12 00 00 48 8b 11 48 83 c2 01 48 39 d0 76 07 48 89 34 d1 48 89 11 5d c3 0f 1f 00 <65> 4c 8b 04 25 40 ee 01 00 65 8b 05 60 a8 96 7e a9 00 01 1f 00 75
[  289.637298] RSP: 0018:ffff8880aa21fcc8 EFLAGS: 00000246
[  289.637307] RAX: 1ffff1101138cb68 RBX: ffff8880a8bea800 RCX: ffffffff86d3cf7a
[  289.637312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[  289.637318] RBP: ffff8880aa21fcd0 R08: ffff8880aa2061c0 R09: ffffed1015d24733
[  289.637323] R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000001
[  289.637329] R13: 0000000000000038 R14: 0000000000000000 R15: dffffc0000000000
[  289.637335] FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
[  289.637340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  289.637346] CR2: ffffffffff600400 CR3: 000000009305a000 CR4: 00000000001406e0
[  289.637349] Call Trace:
[  289.637354]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  289.637358]  batadv_nc_worker+0x1ba/0x760
[  289.637362]  process_one_work+0x98e/0x1760
[  289.637366]  ? pwq_dec_nr_in_flight+0x320/0x320
[  289.637370]  ? lock_acquire+0x16f/0x3f0
[  289.637374]  ? kasan_check_write+0x14/0x20
[  289.637379]  ? do_raw_spin_lock+0xc8/0x240
[  289.637382]  worker_thread+0x98/0xe40
[  289.637386]  kthread+0x357/0x430
[  289.637390]  ? process_one_work+0x1760/0x1760
[  289.637395]  ? kthread_delayed_work_timer_fn+0x290/0x290
[  289.637399]  ret_from_fork+0x3a/0x50
[  289.639183] Kernel panic - not syncing: hung_task: blocked tasks
[  289.813347] CPU: 0 PID: 1031 Comm: khungtaskd Not tainted 4.19.36 #4
[  289.819842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  289.829196] Call Trace:
[  289.831809]  dump_stack+0x172/0x1f0
[  289.835549]  panic+0x263/0x51d
[  289.838758]  ? __warn_printk+0xf3/0xf3
[  289.842654]  ? lapic_can_unplug_cpu.cold+0x38/0x38
[  289.847647]  ? ___preempt_schedule+0x16/0x18
[  289.852112]  ? nmi_trigger_cpumask_backtrace+0x165/0x1f8
[  289.857597]  ? nmi_trigger_cpumask_backtrace+0x1c1/0x1f8
[  289.863059]  ? nmi_trigger_cpumask_backtrace+0x1cb/0x1f8
[  289.868519]  ? nmi_trigger_cpumask_backtrace+0x165/0x1f8
[  289.873989]  watchdog+0x9f0/0xee0
[  289.877539]  kthread+0x357/0x430
[  289.880919]  ? reset_hung_task_detector+0x30/0x30
[  289.885766]  ? kthread_delayed_work_timer_fn+0x290/0x290
[  289.891232]  ret_from_fork+0x3a/0x50
[  289.896477] Kernel Offset: disabled
[  289.900173] Rebooting in 86400 seconds..