[ 79.133110][ T27] audit: type=1800 audit(1564111637.026:30): pid=10707 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 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 mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 83.440102][ T27] kauditd_printk_skb: 4 callbacks suppressed [ 83.440117][ T27] audit: type=1400 audit(1564111641.366:35): avc: denied { map } for pid=10885 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 '10.128.1.28' (ECDSA) to the list of known hosts. [ 1121.199758][ T27] audit: type=1400 audit(1564112679.126:36): avc: denied { map } for pid=10897 comm="syz-executor777" path="/root/syz-executor777899065" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 1121.243084][T10904] IPVS: ftp: loaded support on port[0] = 21 [ 1121.253130][T10905] IPVS: ftp: loaded support on port[0] = 21 [ 1121.260432][T10906] IPVS: ftp: loaded support on port[0] = 21 [ 1121.267875][T10909] IPVS: ftp: loaded support on port[0] = 21 [ 1121.282702][T10908] IPVS: ftp: loaded support on port[0] = 21 [ 1121.326634][T10907] IPVS: ftp: loaded support on port[0] = 21 [ 1121.391329][T10909] chnl_net:caif_netlink_parms(): no params data found [ 1121.478110][T10904] chnl_net:caif_netlink_parms(): no params data found [ 1121.493372][T10906] chnl_net:caif_netlink_parms(): no params data found [ 1121.511358][T10908] chnl_net:caif_netlink_parms(): no params data found [ 1121.552080][T10908] bridge0: port 1(bridge_slave_0) entered blocking state [ 1121.559837][T10908] bridge0: port 1(bridge_slave_0) entered disabled state [ 1121.567585][T10908] device bridge_slave_0 entered promiscuous mode [ 1121.574652][T10909] bridge0: port 1(bridge_slave_0) entered blocking state [ 1121.581906][T10909] bridge0: port 1(bridge_slave_0) entered disabled state [ 1121.590478][T10909] device bridge_slave_0 entered promiscuous mode [ 1121.599893][T10909] bridge0: port 2(bridge_slave_1) entered blocking state [ 1121.607061][T10909] bridge0: port 2(bridge_slave_1) entered disabled state [ 1121.614958][T10909] device bridge_slave_1 entered promiscuous mode [ 1121.646570][T10908] bridge0: port 2(bridge_slave_1) entered blocking state [ 1121.653694][T10908] bridge0: port 2(bridge_slave_1) entered disabled state [ 1121.661576][T10908] device bridge_slave_1 entered promiscuous mode [ 1121.671187][T10905] chnl_net:caif_netlink_parms(): no params data found [ 1121.706339][T10904] bridge0: port 1(bridge_slave_0) entered blocking state [ 1121.713530][T10904] bridge0: port 1(bridge_slave_0) entered disabled state [ 1121.721289][T10904] device bridge_slave_0 entered promiscuous mode [ 1121.729814][T10909] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1121.742234][T10907] chnl_net:caif_netlink_parms(): no params data found [ 1121.752582][T10908] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1121.764980][T10908] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1121.774305][T10904] bridge0: port 2(bridge_slave_1) entered blocking state [ 1121.781550][T10904] bridge0: port 2(bridge_slave_1) entered disabled state [ 1121.790521][T10904] device bridge_slave_1 entered promiscuous mode [ 1121.798505][T10909] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1121.807702][T10906] bridge0: port 1(bridge_slave_0) entered blocking state [ 1121.814735][T10906] bridge0: port 1(bridge_slave_0) entered disabled state [ 1121.822483][T10906] device bridge_slave_0 entered promiscuous mode [ 1121.857442][T10904] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1121.866825][T10906] bridge0: port 2(bridge_slave_1) entered blocking state [ 1121.874072][T10906] bridge0: port 2(bridge_slave_1) entered disabled state [ 1121.882432][T10906] device bridge_slave_1 entered promiscuous mode [ 1121.920043][T10904] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1121.947610][T10906] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1121.958618][T10908] team0: Port device team_slave_0 added [ 1121.965435][T10909] team0: Port device team_slave_0 added [ 1121.972194][T10908] team0: Port device team_slave_1 added [ 1121.998382][T10906] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1122.014746][T10909] team0: Port device team_slave_1 added [ 1122.039062][T10904] team0: Port device team_slave_0 added [ 1122.045274][T10907] bridge0: port 1(bridge_slave_0) entered blocking state [ 1122.052372][T10907] bridge0: port 1(bridge_slave_0) entered disabled state [ 1122.060693][T10907] device bridge_slave_0 entered promiscuous mode [ 1122.068129][T10905] bridge0: port 1(bridge_slave_0) entered blocking state [ 1122.075874][T10905] bridge0: port 1(bridge_slave_0) entered disabled state [ 1122.084174][T10905] device bridge_slave_0 entered promiscuous mode [ 1122.157630][T10909] device hsr_slave_0 entered promiscuous mode [ 1122.225133][T10909] device hsr_slave_1 entered promiscuous mode [ 1122.278894][T10904] team0: Port device team_slave_1 added [ 1122.286213][T10907] bridge0: port 2(bridge_slave_1) entered blocking state [ 1122.293283][T10907] bridge0: port 2(bridge_slave_1) entered disabled state [ 1122.301678][T10907] device bridge_slave_1 entered promiscuous mode [ 1122.308854][T10905] bridge0: port 2(bridge_slave_1) entered blocking state [ 1122.316075][T10905] bridge0: port 2(bridge_slave_1) entered disabled state [ 1122.323873][T10905] device bridge_slave_1 entered promiscuous mode [ 1122.332099][T10906] team0: Port device team_slave_0 added [ 1122.339664][T10906] team0: Port device team_slave_1 added [ 1122.406520][T10908] device hsr_slave_0 entered promiscuous mode [ 1122.485152][T10908] device hsr_slave_1 entered promiscuous mode [ 1122.535173][T10908] debugfs: Directory 'hsr0' with parent '/' already present! [ 1122.591388][T10905] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1122.606599][T10905] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1122.618805][T10907] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 1122.677700][T10904] device hsr_slave_0 entered promiscuous mode [ 1122.735301][T10904] device hsr_slave_1 entered promiscuous mode [ 1122.775100][T10904] debugfs: Directory 'hsr0' with parent '/' already present! [ 1122.794409][T10907] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 1122.856940][T10906] device hsr_slave_0 entered promiscuous mode [ 1122.895314][T10906] device hsr_slave_1 entered promiscuous mode [ 1122.935105][T10906] debugfs: Directory 'hsr0' with parent '/' already present! [ 1122.947209][T10905] team0: Port device team_slave_0 added [ 1122.954350][T10905] team0: Port device team_slave_1 added [ 1123.016571][T10905] device hsr_slave_0 entered promiscuous mode [ 1123.055347][T10905] device hsr_slave_1 entered promiscuous mode [ 1123.094982][T10905] debugfs: Directory 'hsr0' with parent '/' already present! [ 1123.111957][T10907] team0: Port device team_slave_0 added [ 1123.120031][T10907] team0: Port device team_slave_1 added [ 1123.186504][T10907] device hsr_slave_0 entered promiscuous mode [ 1123.225199][T10907] device hsr_slave_1 entered promiscuous mode [ 1123.264984][T10907] debugfs: Directory 'hsr0' with parent '/' already present! [ 1123.329555][T10908] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1123.356824][T10908] 8021q: adding VLAN 0 to HW filter on device team0 [ 1123.377672][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1123.385555][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1123.403134][T10909] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1123.419749][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1123.430569][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1123.439067][ T3569] bridge0: port 1(bridge_slave_0) entered blocking state [ 1123.446248][ T3569] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1123.464518][T10909] 8021q: adding VLAN 0 to HW filter on device team0 [ 1123.482003][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1123.490099][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1123.498766][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1123.506899][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1123.516326][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1123.524580][T10922] bridge0: port 2(bridge_slave_1) entered blocking state [ 1123.531670][T10922] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1123.544064][T10905] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1123.563373][T10906] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1123.583987][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 1123.592986][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1123.601957][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1123.610338][T10922] bridge0: port 1(bridge_slave_0) entered blocking state [ 1123.617411][T10922] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1123.626053][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1123.637489][T10904] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1123.663549][T10905] 8021q: adding VLAN 0 to HW filter on device team0 [ 1123.670516][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1123.678657][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1123.687305][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1123.696049][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1123.704313][T10922] bridge0: port 2(bridge_slave_1) entered blocking state [ 1123.711412][T10922] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1123.719307][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1123.727893][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1123.736585][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1123.745128][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1123.753504][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1123.762496][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1123.771196][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1123.779751][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1123.787873][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1123.797400][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1123.806091][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1123.813640][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1123.821268][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1123.828806][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1123.837248][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1123.845293][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1123.862256][T10904] 8021q: adding VLAN 0 to HW filter on device team0 [ 1123.872495][T10906] 8021q: adding VLAN 0 to HW filter on device team0 [ 1123.887818][T10908] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1123.898893][T10908] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1123.909362][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1123.917282][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1123.924878][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1123.933224][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1123.941667][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1123.950179][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1123.958495][T10912] bridge0: port 1(bridge_slave_0) entered blocking state [ 1123.965602][T10912] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1123.973072][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1123.981837][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1123.990302][T10912] bridge0: port 2(bridge_slave_1) entered blocking state [ 1123.997383][T10912] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1124.005128][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1124.013329][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1124.021711][T10912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1124.046874][T10907] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1124.071242][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1124.079659][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1124.088421][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1124.097165][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1124.105547][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 1124.112582][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1124.120257][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1124.129007][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1124.137322][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 1124.144346][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1124.151970][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1124.160740][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1124.169257][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1124.177720][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1124.186460][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1124.195254][ T22] bridge0: port 1(bridge_slave_0) entered blocking state [ 1124.202301][ T22] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1124.210076][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1124.218563][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1124.227358][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1124.235779][ T22] bridge0: port 2(bridge_slave_1) entered blocking state [ 1124.242821][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1124.250566][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1124.259143][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1124.267655][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1124.276153][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1124.286403][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1124.295194][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1124.303097][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1124.311084][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1124.331497][T10908] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1124.351152][T10905] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1124.362522][T10905] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1124.377980][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1124.386423][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1124.394613][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1124.403250][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1124.414138][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1124.422856][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1124.431316][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1124.439833][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1124.448139][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 1124.456651][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1124.464818][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1124.473482][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1124.481598][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1124.491492][T10909] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1124.515341][T10921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 1124.523126][T10921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 1124.531656][T10921] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1124.540715][T10921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1124.549074][T10921] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1124.557663][T10921] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1124.568562][T10907] 8021q: adding VLAN 0 to HW filter on device team0 [ 1124.593189][T10906] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 1124.594997][ T27] audit: type=1400 audit(1564112682.516:37): avc: denied { associate } for pid=10908 comm="syz-executor777" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 1124.604265][T10906] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 1124.648991][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1124.660046][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1124.668701][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1124.689307][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1124.698244][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1124.707145][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1124.716369][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1124.725276][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1124.733499][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 1124.742611][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 1124.751338][T10918] bridge0: port 1(bridge_slave_0) entered blocking state [ 1124.758411][T10918] bridge0: port 1(bridge_slave_0) entered forwarding state [ 1124.767114][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1124.775066][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 1124.782799][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 1124.801800][T10905] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1124.811493][T10909] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program [ 1124.828071][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 1124.844161][T10922] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 1124.856304][T10922] bridge0: port 2(bridge_slave_1) entered blocking state [ 1124.863378][T10922] bridge0: port 2(bridge_slave_1) entered forwarding state [ 1124.887027][T10904] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1124.912332][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 1124.925545][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready executing program [ 1124.934232][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 1124.950423][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 1124.958895][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 1124.967491][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 1124.976374][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 1124.984694][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 1124.993639][ T3569] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 1125.011445][T10906] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 1125.030241][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 1125.039374][T10918] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 1125.050273][T10907] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready executing program executing program executing program executing program [ 1125.120389][T10907] 8021q: adding VLAN 0 to HW filter on device batadv0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 1173.175082][ C1] ------------[ cut here ]------------ [ 1173.180627][ C1] refcount_t: increment on 0; use-after-free. [ 1173.187143][ C1] WARNING: CPU: 1 PID: 0 at lib/refcount.c:156 refcount_inc_checked+0x61/0x70 [ 1173.196010][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 1173.197658][T15317] ================================================================== [ 1173.202624][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.3.0-rc1+ #77 [ 1173.210690][T15317] BUG: KASAN: use-after-free in refcount_inc_not_zero_checked+0x81/0x200 [ 1173.217864][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1173.226345][T15317] Read of size 4 at addr ffff88809b865240 by task syz-executor777/15317 [ 1173.236380][ C1] Call Trace: [ 1173.245376][T15317] [ 1173.250984][ C1] [ 1173.253943][ C1] dump_stack+0x172/0x1f0 [ 1173.258285][ C1] ? refcount_inc_not_zero_checked+0x1b0/0x200 [ 1173.264445][ C1] panic+0x2dc/0x755 [ 1173.268345][ C1] ? add_taint.cold+0x16/0x16 [ 1173.273033][ C1] ? __kasan_check_write+0x14/0x20 [ 1173.278145][ C1] ? __warn.cold+0x5/0x4c [ 1173.282468][ C1] ? __warn+0xe7/0x1e0 [ 1173.286533][ C1] ? refcount_inc_checked+0x61/0x70 [ 1173.291824][ C1] __warn.cold+0x20/0x4c [ 1173.296064][ C1] ? vprintk_emit+0x1ea/0x700 [ 1173.300764][ C1] ? refcount_inc_checked+0x61/0x70 [ 1173.305975][ C1] report_bug+0x263/0x2b0 [ 1173.310301][ C1] do_error_trap+0x11b/0x200 [ 1173.314892][ C1] do_invalid_op+0x37/0x50 [ 1173.319299][ C1] ? refcount_inc_checked+0x61/0x70 [ 1173.324656][ C1] invalid_op+0x23/0x30 [ 1173.328806][ C1] RIP: 0010:refcount_inc_checked+0x61/0x70 [ 1173.334699][ C1] Code: 1d 18 8e 64 06 31 ff 89 de e8 db aa 35 fe 84 db 75 dd e8 92 a9 35 fe 48 c7 c7 00 03 c6 87 c6 05 f8 8d 64 06 01 e8 77 0c 07 fe <0f> 0b eb c1 90 90 90 90 90 90 90 90 90 90 90 55 48 89 e5 41 57 41 [ 1173.354385][ C1] RSP: 0018:ffff8880ae909bf0 EFLAGS: 00010282 [ 1173.360534][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 1173.368495][ C1] RDX: 0000000000000100 RSI: ffffffff815c5bd6 RDI: ffffed1015d21370 [ 1173.376637][ C1] RBP: ffff8880ae909c00 R08: ffff8880a98d6340 R09: fffffbfff11b4285 [ 1173.384625][ C1] R10: fffffbfff11b4284 R11: ffffffff88da1423 R12: ffff88809b865240 [ 1173.392590][ C1] R13: ffff88809b865228 R14: ffff8880a022f3c8 R15: ffff8880a022f3a0 [ 1173.400575][ C1] ? vprintk_func+0x86/0x189 [ 1173.405211][ C1] nr_insert_socket+0x2d/0xe0 [ 1173.409911][ C1] nr_rx_frame+0x1605/0x1e73 [ 1173.414594][ C1] nr_loopback_timer+0x7b/0x170 [ 1173.419442][ C1] call_timer_fn+0x1ac/0x780 [ 1173.424034][ C1] ? nr_process_rx_frame+0x1540/0x1540 [ 1173.429593][ C1] ? msleep_interruptible+0x150/0x150 [ 1173.434964][ C1] ? trace_hardirqs_on+0x67/0x240 [ 1173.439983][ C1] ? __kasan_check_read+0x11/0x20 [ 1173.445004][ C1] ? nr_process_rx_frame+0x1540/0x1540 [ 1173.450497][ C1] ? nr_process_rx_frame+0x1540/0x1540 [ 1173.456133][ C1] run_timer_softirq+0x697/0x17a0 [ 1173.461155][ C1] ? add_timer+0x930/0x930 [ 1173.465568][ C1] ? kvm_clock_read+0x18/0x30 [ 1173.470236][ C1] ? kvm_sched_clock_read+0x9/0x20 [ 1173.475346][ C1] ? sched_clock+0x2e/0x50 [ 1173.479758][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 1173.484638][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1173.490901][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1173.497136][ C1] __do_softirq+0x262/0x98c [ 1173.501637][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 1173.506573][ C1] irq_exit+0x19b/0x1e0 [ 1173.510724][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 1173.516458][ C1] apic_timer_interrupt+0xf/0x20 [ 1173.521380][ C1] [ 1173.524338][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 1173.529706][ C1] Code: 48 e9 6e fa eb 8a 90 90 90 90 90 90 e9 07 00 00 00 0f 00 2d d4 50 4a 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d c4 50 4a 00 fb f4 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 5e a1 22 fa e8 a9 [ 1173.549409][ C1] RSP: 0018:ffff8880a98e7d68 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 1173.557912][ C1] RAX: 1ffffffff11a5e35 RBX: ffff8880a98d6340 RCX: 1ffffffff134b2b6 [ 1173.566060][ C1] RDX: dffffc0000000000 RSI: ffffffff8178256e RDI: ffffffff873dcbfc [ 1173.574053][ C1] RBP: ffff8880a98e7d98 R08: ffff8880a98d6340 R09: ffffed101531ac69 [ 1173.582029][ C1] R10: ffffed101531ac68 R11: ffff8880a98d6347 R12: dffffc0000000000 [ 1173.589999][ C1] R13: ffffffff89a563b8 R14: 0000000000000000 R15: 0000000000000001 [ 1173.598092][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 1173.603119][ C1] ? default_idle+0x1c/0x360 [ 1173.607710][ C1] ? default_idle+0x4e/0x360 [ 1173.612319][ C1] arch_cpu_idle+0xa/0x10 [ 1173.616654][ C1] default_idle_call+0x84/0xb0 [ 1173.621412][ C1] do_idle+0x413/0x760 [ 1173.625480][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 1173.630504][ C1] cpu_startup_entry+0x1b/0x20 [ 1173.635268][ C1] start_secondary+0x315/0x430 [ 1173.640023][ C1] ? set_cpu_sibling_map+0x2180/0x2180 [ 1173.645488][ C1] secondary_startup_64+0xa4/0xb0 [ 1173.650614][T15317] CPU: 0 PID: 15317 Comm: syz-executor777 Not tainted 5.3.0-rc1+ #77 [ 1173.658699][T15317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1173.668753][T15317] Call Trace: [ 1173.672053][T15317] dump_stack+0x172/0x1f0 [ 1173.688397][T15317] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1173.705341][T15317] print_address_description.cold+0xd4/0x306 [ 1173.711431][T15317] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1173.717597][T15317] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1173.723678][T15317] __kasan_report.cold+0x1b/0x36 [ 1173.728931][T15317] ? refcount_inc_not_zero_checked+0x81/0x200 [ 1173.735134][T15317] kasan_report+0x12/0x17 [ 1173.739493][T15317] check_memory_region+0x134/0x1a0 [ 1173.744619][T15317] __kasan_check_read+0x11/0x20 [ 1173.749476][T15317] refcount_inc_not_zero_checked+0x81/0x200 [ 1173.755375][T15317] ? refcount_dec_and_mutex_lock+0x90/0x90 [ 1173.761192][T15317] ? __kasan_check_write+0x14/0x20 [ 1173.766310][T15317] refcount_inc_checked+0x17/0x70 [ 1173.771340][T15317] nr_release+0x62/0x3e0 [ 1173.776149][T15317] __sock_release+0xce/0x280 [ 1173.780762][T15317] sock_close+0x1e/0x30 [ 1173.784924][T15317] __fput+0x2ff/0x890 [ 1173.788906][T15317] ? __sock_release+0x280/0x280 [ 1173.793755][T15317] ____fput+0x16/0x20 [ 1173.797749][T15317] task_work_run+0x145/0x1c0 [ 1173.802340][T15317] exit_to_usermode_loop+0x316/0x380 [ 1173.807635][T15317] do_syscall_64+0x5a9/0x6a0 [ 1173.812229][T15317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1173.818115][T15317] RIP: 0033:0x407b71 [ 1173.822072][T15317] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 24 1a 00 00 c3 48 83 ec 08 e8 6a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 b3 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 1173.841688][T15317] RSP: 002b:00007ffc11801d50 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 1173.850197][T15317] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000407b71 [ 1173.858175][T15317] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 1173.866172][T15317] RBP: 00000000006e59fc R08: 00000000004b183d R09: 00000000004b183d [ 1173.874148][T15317] R10: 00007ffc11801d80 R11: 0000000000000293 R12: 00000000006e59f0 [ 1173.882129][T15317] R13: 000000000000002d R14: 20c49ba5e353f7cf R15: 0000000000000001 [ 1173.890108][T15317] [ 1173.892434][T15317] Allocated by task 0: [ 1173.896509][T15317] save_stack+0x23/0x90 [ 1173.900694][T15317] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 1173.906414][T15317] kasan_kmalloc+0x9/0x10 [ 1173.910737][T15317] __kmalloc+0x163/0x770 [ 1173.915041][T15317] sk_prot_alloc+0x23a/0x310 [ 1173.919634][T15317] sk_alloc+0x39/0xf70 [ 1173.924016][T15317] nr_rx_frame+0x733/0x1e73 [ 1173.928522][T15317] nr_loopback_timer+0x7b/0x170 [ 1173.933403][T15317] call_timer_fn+0x1ac/0x780 [ 1173.938083][T15317] run_timer_softirq+0x697/0x17a0 [ 1173.943111][T15317] __do_softirq+0x262/0x98c [ 1173.947707][T15317] [ 1173.950023][T15317] Freed by task 15322: [ 1173.954088][T15317] save_stack+0x23/0x90 [ 1173.958333][T15317] __kasan_slab_free+0x102/0x150 [ 1173.963274][T15317] kasan_slab_free+0xe/0x10 [ 1173.967867][T15317] kfree+0x10a/0x2c0 [ 1173.971762][T15317] __sk_destruct+0x4f7/0x6e0 [ 1173.976348][T15317] sk_destruct+0x86/0xa0 [ 1173.980582][T15317] __sk_free+0xfb/0x360 [ 1173.984740][T15317] sk_free+0x42/0x50 [ 1173.988662][T15317] sock_efree+0x61/0x80 [ 1173.992821][T15317] skb_release_head_state+0xeb/0x250 [ 1173.998205][T15317] skb_release_all+0x16/0x60 [ 1174.002819][T15317] kfree_skb+0x101/0x3c0 [ 1174.007173][T15317] nr_accept+0x56e/0x700 [ 1174.011416][T15317] __sys_accept4+0x34e/0x6a0 [ 1174.016388][T15317] __x64_sys_accept+0x75/0xb0 [ 1174.021245][T15317] do_syscall_64+0xfd/0x6a0 [ 1174.025747][T15317] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1174.031625][T15317] [ 1174.033956][T15317] The buggy address belongs to the object at ffff88809b8651c0 [ 1174.033956][T15317] which belongs to the cache kmalloc-2k of size 2048 [ 1174.048119][T15317] The buggy address is located 128 bytes inside of [ 1174.048119][T15317] 2048-byte region [ffff88809b8651c0, ffff88809b8659c0) [ 1174.061472][T15317] The buggy address belongs to the page: [ 1174.067214][T15317] page:ffffea00026e1900 refcount:1 mapcount:0 mapping:ffff8880aa400e00 index:0x0 compound_mapcount: 0 [ 1174.078608][T15317] flags: 0x1fffc0000010200(slab|head) [ 1174.084208][T15317] raw: 01fffc0000010200 ffffea000276ce08 ffffea0002665f08 ffff8880aa400e00 [ 1174.092910][T15317] raw: 0000000000000000 ffff88809b8640c0 0000000100000003 0000000000000000 [ 1174.101668][T15317] page dumped because: kasan: bad access detected [ 1174.108077][T15317] [ 1174.110502][T15317] Memory state around the buggy address: [ 1174.116519][T15317] ffff88809b865100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 1174.124572][T15317] ffff88809b865180: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 1174.132676][T15317] >ffff88809b865200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1174.140975][T15317] ^ [ 1174.147261][T15317] ffff88809b865280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1174.155645][T15317] ffff88809b865300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 1174.163693][T15317] ================================================================== [ 1174.178210][ C1] Kernel Offset: disabled [ 1174.182740][ C1] Rebooting in 86400 seconds..