[ 41.235593] audit: type=1800 audit(1551545624.776:31): pid=7888 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 45.411660] kauditd_printk_skb: 3 callbacks suppressed [ 45.411675] audit: type=1400 audit(1551545629.006:35): avc: denied { map } for pid=8064 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 '10.128.15.206' (ECDSA) to the list of known hosts. [ 52.113621] audit: type=1400 audit(1551545635.706:36): avc: denied { map } for pid=8076 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 2019/03/02 16:53:56 parsed 1 programs [ 52.975362] audit: type=1400 audit(1551545636.566:37): avc: denied { map } for pid=8076 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=4905 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/03/02 16:53:59 executed programs: 0 [ 55.754317] IPVS: ftp: loaded support on port[0] = 21 [ 55.754324] IPVS: ftp: loaded support on port[0] = 21 [ 55.796592] IPVS: ftp: loaded support on port[0] = 21 [ 55.805191] IPVS: ftp: loaded support on port[0] = 21 [ 55.812598] IPVS: ftp: loaded support on port[0] = 21 [ 55.857599] IPVS: ftp: loaded support on port[0] = 21 [ 56.013294] chnl_net:caif_netlink_parms(): no params data found [ 56.115776] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.122212] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.133369] device bridge_slave_0 entered promiscuous mode [ 56.143983] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.150373] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.158014] device bridge_slave_1 entered promiscuous mode [ 56.221583] chnl_net:caif_netlink_parms(): no params data found [ 56.230879] chnl_net:caif_netlink_parms(): no params data found [ 56.240717] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.290228] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.335028] team0: Port device team_slave_0 added [ 56.360363] chnl_net:caif_netlink_parms(): no params data found [ 56.368405] chnl_net:caif_netlink_parms(): no params data found [ 56.379023] team0: Port device team_slave_1 added [ 56.449152] chnl_net:caif_netlink_parms(): no params data found [ 56.462342] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.470631] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.477937] device bridge_slave_0 entered promiscuous mode [ 56.489468] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.495931] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.502754] device bridge_slave_1 entered promiscuous mode [ 56.509103] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.515455] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.523229] device bridge_slave_0 entered promiscuous mode [ 56.572756] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.579899] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.586912] device bridge_slave_1 entered promiscuous mode [ 56.639180] device hsr_slave_0 entered promiscuous mode [ 56.676330] device hsr_slave_1 entered promiscuous mode [ 56.716185] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.722593] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.729727] device bridge_slave_0 entered promiscuous mode [ 56.736631] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.743031] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.750743] device bridge_slave_0 entered promiscuous mode [ 56.763084] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.769524] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.776768] device bridge_slave_1 entered promiscuous mode [ 56.800899] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.807581] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.814404] device bridge_slave_1 entered promiscuous mode [ 56.822643] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.838517] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.871538] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.892655] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.907965] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.914323] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.922037] device bridge_slave_0 entered promiscuous mode [ 56.941329] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.953513] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.965119] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.973076] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.980726] device bridge_slave_1 entered promiscuous mode [ 56.989018] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.997983] team0: Port device team_slave_0 added [ 57.014483] team0: Port device team_slave_0 added [ 57.027082] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.041289] team0: Port device team_slave_1 added [ 57.058915] team0: Port device team_slave_1 added [ 57.065382] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.081555] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.101624] team0: Port device team_slave_0 added [ 57.108689] team0: Port device team_slave_1 added [ 57.149183] team0: Port device team_slave_0 added [ 57.208710] device hsr_slave_0 entered promiscuous mode [ 57.236800] device hsr_slave_1 entered promiscuous mode [ 57.302423] team0: Port device team_slave_0 added [ 57.314877] team0: Port device team_slave_1 added [ 57.321401] team0: Port device team_slave_1 added [ 57.368613] device hsr_slave_0 entered promiscuous mode [ 57.406445] device hsr_slave_1 entered promiscuous mode [ 57.508713] device hsr_slave_0 entered promiscuous mode [ 57.546397] device hsr_slave_1 entered promiscuous mode [ 57.647421] device hsr_slave_0 entered promiscuous mode [ 57.686152] device hsr_slave_1 entered promiscuous mode [ 57.800356] device hsr_slave_0 entered promiscuous mode [ 57.866186] device hsr_slave_1 entered promiscuous mode [ 57.994256] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.042616] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.054495] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.062709] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.099051] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.115055] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.139672] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.149845] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.158270] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.164730] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.172061] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.180671] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.188470] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.194805] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.201750] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.209528] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.222560] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.258464] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.265589] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.273063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.280675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.289313] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.297228] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.303573] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.310621] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.318366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.325996] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.332347] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.339360] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.346398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.353203] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.361039] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.368699] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.376594] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.384082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.391809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.399457] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.407089] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.415611] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.422861] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.435253] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.450052] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.457899] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.465392] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.474859] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.490571] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.501879] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.525743] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.533719] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.541910] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.549909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.558158] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.565741] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.572141] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.579203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.587774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.595582] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.601998] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.608949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.617102] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.624587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.632136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.640369] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.652865] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.666026] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.683279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.692721] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.700319] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.708373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.722502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.748161] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.758894] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.767438] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.775011] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.783280] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.796181] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.808423] audit: type=1400 audit(1551545642.406:38): avc: denied { associate } for pid=8105 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 58.819282] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.850170] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.862889] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.884280] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.890465] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.901780] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.908866] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.916594] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.929004] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.940600] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.953512] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.962122] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.987205] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.993612] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.000544] audit: type=1400 audit(1551545642.586:39): avc: denied { name_bind } for pid=8116 comm="syz-executor.0" src=20000 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 59.024854] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.033308] audit: type=1400 audit(1551545642.586:40): avc: denied { node_bind } for pid=8116 comm="syz-executor.0" src=20000 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:node_t:s0 tclass=dccp_socket permissive=1 [ 59.056740] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.064431] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.070887] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.081277] audit: type=1400 audit(1551545642.586:41): avc: denied { name_connect } for pid=8116 comm="syz-executor.0" dest=20000 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:port_t:s0 tclass=dccp_socket permissive=1 [ 59.088828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.111215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.120968] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.140729] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.167489] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.175443] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.200634] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.209105] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.222504] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.265725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.278357] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.292409] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.298837] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.307901] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.315920] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.323878] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.330298] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.341465] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.354900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.363803] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.371809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.380347] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.387603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.394432] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.402268] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.409887] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.417984] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.426396] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.433392] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.452909] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.465242] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.493193] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.508409] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.519878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.528692] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.537404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.545053] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.553038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.565628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.573851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.581884] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.598200] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.623719] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.634907] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.655244] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.662180] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.676588] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.684575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.692336] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.698739] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.744234] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.750948] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.758280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.766900] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.774593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.783012] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.791756] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.802165] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.851370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.867358] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.899439] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.911382] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.924744] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.935655] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.943987] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.951622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.959757] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.995201] 8021q: adding VLAN 0 to HW filter on device batadv0 2019/03/02 16:54:04 executed programs: 43 [ 61.706677] ================================================================== [ 61.714222] BUG: KASAN: use-after-free in ccid_hc_tx_delete+0xde/0x100 [ 61.720913] Read of size 8 at addr ffff8880899708c0 by task syz-executor.0/8105 [ 61.728360] [ 61.729995] CPU: 1 PID: 8105 Comm: syz-executor.0 Not tainted 5.0.0-rc8+ #1 [ 61.737091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.746447] Call Trace: [ 61.746458] [ 61.746490] dump_stack+0x172/0x1f0 [ 61.746507] ? ccid_hc_tx_delete+0xde/0x100 [ 61.746528] print_address_description.cold+0x7c/0x20d [ 61.746540] ? ccid_hc_tx_delete+0xde/0x100 [ 61.746553] ? ccid_hc_tx_delete+0xde/0x100 [ 61.746572] kasan_report.cold+0x1b/0x40 [ 61.746586] ? ccid_hc_tx_delete+0xde/0x100 [ 61.746601] __asan_report_load8_noabort+0x14/0x20 [ 61.746610] ccid_hc_tx_delete+0xde/0x100 [ 61.746623] dccp_sk_destruct+0x3f/0x90 [ 61.746633] ? dccp_init_sock+0x3f0/0x3f0 [ 61.746660] __sk_destruct+0x55/0x6d0 [ 61.751592] ? sock_no_getname+0x10/0x10 [ 61.806803] rcu_process_callbacks+0x928/0x1390 [ 61.811527] ? rcu_check_gp_start_stall+0x240/0x240 [ 61.816570] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 61.822042] __do_softirq+0x266/0x95a [ 61.825872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.831418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.836984] irq_exit+0x180/0x1d0 [ 61.840453] smp_apic_timer_interrupt+0x14a/0x570 [ 61.845319] apic_timer_interrupt+0xf/0x20 [ 61.849550] [ 61.851810] RIP: 0010:_raw_spin_unlock_irq+0x54/0x90 [ 61.856923] Code: c0 00 83 92 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 85 29 8f 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 42 57 4a fa 65 8b 05 3b 94 fe 78 85 c0 74 06 41 [ 61.875829] RSP: 0018:ffff888094237b18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 61.875844] RAX: 1ffffffff1125060 RBX: ffff8880812e2440 RCX: 0000000000000000 [ 61.875853] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880812e2cbc [ 61.875862] RBP: ffff888094237b20 R08: ffff8880812e2440 R09: 0000000000000000 [ 61.875870] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae92d000 [ 61.875879] R13: ffff888089ac4700 R14: ffff888089e3f4c0 R15: 0000000000000000 [ 61.875909] ? _raw_spin_unlock_irq+0x28/0x90 [ 61.875927] finish_task_switch+0x146/0x790 [ 61.875940] ? finish_task_switch+0x118/0x790 [ 61.875952] ? __switch_to_asm+0x34/0x70 [ 61.875963] ? __switch_to_asm+0x40/0x70 [ 61.875982] __schedule+0x81f/0x1cc0 [ 61.875999] ? hrtimer_start_range_ns+0x66b/0xc80 [ 61.876019] ? pci_mmcfg_check_reserved+0x170/0x170 [ 61.876035] ? __hrtimer_get_remaining+0x1a0/0x1a0 [ 61.876048] ? lockdep_hardirqs_on+0x415/0x5d0 [ 61.876067] schedule+0x92/0x180 [ 61.876084] do_nanosleep+0x201/0x6a0 [ 61.876098] ? __debug_object_init+0x190/0xc30 [ 61.876116] ? schedule_timeout_idle+0x90/0x90 [ 61.876137] ? memset+0x32/0x40 [ 61.898379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 61.898395] ? __hrtimer_init+0xe1/0x250 [ 61.898414] hrtimer_nanosleep+0x2a6/0x570 [ 61.898432] ? nanosleep_copyout+0x110/0x110 [ 61.898446] ? _copy_from_user+0xdd/0x150 [ 61.898465] ? clock_was_set_work+0x30/0x30 [ 61.898507] __x64_sys_nanosleep+0x1a6/0x220 [ 61.898522] ? hrtimer_nanosleep+0x570/0x570 [ 61.898536] ? do_syscall_64+0x26/0x610 [ 61.898553] ? lockdep_hardirqs_on+0x415/0x5d0 [ 61.964814] ? trace_hardirqs_on+0x67/0x230 [ 61.964837] do_syscall_64+0x103/0x610 [ 61.964857] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.964874] RIP: 0033:0x4854a0 [ 61.976603] Code: 00 00 48 c7 c0 d4 ff ff ff 64 c7 00 16 00 00 00 31 c0 eb be 66 0f 1f 44 00 00 83 3d b1 12 5d 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 e2 f8 ff c3 48 83 ec 08 e8 3a 55 fd ff [ 61.976611] RSP: 002b:00007ffef44768e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 61.976625] RAX: ffffffffffffffda RBX: 000000000000f0bf RCX: 00000000004854a0 [ 61.976634] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffef44768f0 [ 61.976655] RBP: 0000000000000039 R08: 0000000000000001 R09: 0000000000f25940 [ 61.976663] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000d [ 61.976671] R13: 000000000000f097 R14: 0000000000000011 R15: 0000000000000000 [ 61.976690] [ 61.976697] Allocated by task 8441: [ 61.976717] save_stack+0x45/0xd0 [ 61.976734] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 62.121669] kasan_slab_alloc+0xf/0x20 [ 62.125575] kmem_cache_alloc+0x11a/0x6f0 [ 62.129731] ccid_new+0x256/0x3f0 [ 62.133195] dccp_hdlr_ccid+0x27/0x150 [ 62.137088] __dccp_feat_activate+0x17a/0x270 [ 62.141590] dccp_feat_activate_values+0x33a/0x766 [ 62.146522] dccp_rcv_state_process+0x116f/0x1931 [ 62.146535] dccp_v6_do_rcv+0x269/0xbf0 [ 62.146546] __release_sock+0x12e/0x3a0 [ 62.146556] release_sock+0x59/0x1c0 [ 62.146569] __inet_stream_connect+0x59f/0xea0 [ 62.146580] inet_stream_connect+0x58/0xa0 [ 62.146593] __sys_connect+0x266/0x330 [ 62.146604] __x64_sys_connect+0x73/0xb0 [ 62.146619] do_syscall_64+0x103/0x610 [ 62.146636] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.167705] [ 62.167713] Freed by task 8453: [ 62.167732] save_stack+0x45/0xd0 [ 62.167744] __kasan_slab_free+0x102/0x150 [ 62.167756] kasan_slab_free+0xe/0x10 [ 62.167767] kmem_cache_free+0x86/0x260 [ 62.167779] ccid_hc_tx_delete+0xc1/0x100 [ 62.167789] dccp_hdlr_ccid+0x7d/0x150 [ 62.167800] __dccp_feat_activate+0x17a/0x270 [ 62.167811] dccp_feat_activate_values+0x33a/0x766 [ 62.167822] dccp_create_openreq_child+0x40c/0x570 [ 62.167832] dccp_v6_request_recv_sock+0x214/0x1da0 [ 62.167841] dccp_check_req+0x35c/0x6f0 [ 62.167849] dccp_v6_rcv+0x6d7/0x191e [ 62.167861] ip6_protocol_deliver_rcu+0x303/0x16c0 [ 62.167871] ip6_input_finish+0x84/0x170 [ 62.167881] ip6_input+0xe4/0x3f0 [ 62.167895] ip6_rcv_finish+0x1e7/0x320 [ 62.204101] kobject: 'loop5' (000000001171096e): kobject_uevent_env [ 62.205471] ipv6_rcv+0x10e/0x420 [ 62.205494] __netif_receive_skb_one_core+0x115/0x1a0 [ 62.205505] __netif_receive_skb+0x2c/0x1c0 [ 62.205515] process_backlog+0x206/0x750 [ 62.205526] net_rx_action+0x4fa/0x1070 [ 62.205543] __do_softirq+0x266/0x95a [ 62.235402] kobject: 'loop5' (000000001171096e): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 62.236851] [ 62.236864] The buggy address belongs to the object at ffff8880899708c0 [ 62.236864] which belongs to the cache ccid2_hc_tx_sock of size 1240 [ 62.236875] The buggy address is located 0 bytes inside of [ 62.236875] 1240-byte region [ffff8880899708c0, ffff888089970d98) [ 62.236880] The buggy address belongs to the page: [ 62.236892] page:ffffea0002265c00 count:1 mapcount:0 mapping:ffff88809a848780 index:0x0 compound_mapcount: 0 [ 62.236908] flags: 0x1fffc0000010200(slab|head) [ 62.236926] raw: 01fffc0000010200 ffffea000226e608 ffffea0002a6e188 ffff88809a848780 [ 62.236942] raw: 0000000000000000 ffff888089970340 0000000100000005 0000000000000000 [ 62.236948] page dumped because: kasan: bad access detected [ 62.236951] [ 62.236955] Memory state around the buggy address: [ 62.236965] ffff888089970780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.236975] ffff888089970800: fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc [ 62.236985] >ffff888089970880: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb [ 62.236991] ^ [ 62.237013] ffff888089970900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.237021] ffff888089970980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 62.237025] ================================================================== [ 62.237028] Disabling lock debugging due to kernel taint [ 62.237093] Kernel panic - not syncing: panic_on_warn set ... [ 62.252057] kobject: 'loop4' (000000009221129b): kobject_uevent_env [ 62.253805] CPU: 1 PID: 8105 Comm: syz-executor.0 Tainted: G B 5.0.0-rc8+ #1 [ 62.253812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.253817] Call Trace: [ 62.253822] [ 62.253848] dump_stack+0x172/0x1f0 [ 62.273383] kobject: 'loop4' (000000009221129b): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 62.276293] panic+0x2cb/0x65c [ 62.276307] ? __warn_printk+0xf3/0xf3 [ 62.276319] ? retint_kernel+0x2d/0x2d [ 62.276335] ? trace_hardirqs_on+0x5e/0x230 [ 62.276351] ? ccid_hc_tx_delete+0xde/0x100 [ 62.337201] kobject: 'loop2' (00000000ec488251): kobject_uevent_env [ 62.343353] end_report+0x47/0x4f [ 62.356986] kobject: 'loop2' (00000000ec488251): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 62.363748] ? ccid_hc_tx_delete+0xde/0x100 [ 62.363767] kasan_report.cold+0xe/0x40 [ 62.375882] kobject: 'loop1' (00000000eb6e03fc): kobject_uevent_env [ 62.376048] ? ccid_hc_tx_delete+0xde/0x100 [ 62.376069] __asan_report_load8_noabort+0x14/0x20 [ 62.389261] kobject: 'loop1' (00000000eb6e03fc): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 62.390768] ccid_hc_tx_delete+0xde/0x100 [ 62.390783] dccp_sk_destruct+0x3f/0x90 [ 62.390799] ? dccp_init_sock+0x3f0/0x3f0 [ 62.435324] kobject: 'loop3' (000000008e128e24): kobject_uevent_env [ 62.436988] __sk_destruct+0x55/0x6d0 [ 62.437003] ? sock_no_getname+0x10/0x10 [ 62.437032] rcu_process_callbacks+0x928/0x1390 [ 62.437050] ? rcu_check_gp_start_stall+0x240/0x240 [ 62.443468] kobject: 'loop3' (000000008e128e24): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 62.451937] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 62.451953] __do_softirq+0x266/0x95a [ 62.451966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.451976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.451994] irq_exit+0x180/0x1d0 [ 62.452007] smp_apic_timer_interrupt+0x14a/0x570 [ 62.452023] apic_timer_interrupt+0xf/0x20 [ 62.629472] [ 62.631710] RIP: 0010:_raw_spin_unlock_irq+0x54/0x90 [ 62.636815] Code: c0 00 83 92 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 33 48 83 3d 85 29 8f 01 00 74 20 fb 66 0f 1f 44 00 00 01 00 00 00 e8 42 57 4a fa 65 8b 05 3b 94 fe 78 85 c0 74 06 41 [ 62.655716] RSP: 0018:ffff888094237b18 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 62.663411] RAX: 1ffffffff1125060 RBX: ffff8880812e2440 RCX: 0000000000000000 [ 62.670664] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880812e2cbc [ 62.677918] RBP: ffff888094237b20 R08: ffff8880812e2440 R09: 0000000000000000 [ 62.685170] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880ae92d000 [ 62.692419] R13: ffff888089ac4700 R14: ffff888089e3f4c0 R15: 0000000000000000 [ 62.699691] ? _raw_spin_unlock_irq+0x28/0x90 [ 62.704173] finish_task_switch+0x146/0x790 [ 62.708483] ? finish_task_switch+0x118/0x790 [ 62.712959] ? __switch_to_asm+0x34/0x70 [ 62.717013] ? __switch_to_asm+0x40/0x70 [ 62.721069] __schedule+0x81f/0x1cc0 [ 62.724807] ? hrtimer_start_range_ns+0x66b/0xc80 [ 62.729638] ? pci_mmcfg_check_reserved+0x170/0x170 [ 62.734656] ? __hrtimer_get_remaining+0x1a0/0x1a0 [ 62.739569] ? lockdep_hardirqs_on+0x415/0x5d0 [ 62.744134] schedule+0x92/0x180 [ 62.747488] do_nanosleep+0x201/0x6a0 [ 62.751269] ? __debug_object_init+0x190/0xc30 [ 62.755848] ? schedule_timeout_idle+0x90/0x90 [ 62.760426] ? memset+0x32/0x40 [ 62.763686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.769206] ? __hrtimer_init+0xe1/0x250 [ 62.773249] hrtimer_nanosleep+0x2a6/0x570 [ 62.777500] ? nanosleep_copyout+0x110/0x110 [ 62.781905] ? _copy_from_user+0xdd/0x150 [ 62.786034] ? clock_was_set_work+0x30/0x30 [ 62.790341] __x64_sys_nanosleep+0x1a6/0x220 [ 62.794731] ? hrtimer_nanosleep+0x570/0x570 [ 62.799125] ? do_syscall_64+0x26/0x610 [ 62.803082] ? lockdep_hardirqs_on+0x415/0x5d0 [ 62.807683] ? trace_hardirqs_on+0x67/0x230 [ 62.811993] do_syscall_64+0x103/0x610 [ 62.815880] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.821063] RIP: 0033:0x4854a0 [ 62.824259] Code: 00 00 48 c7 c0 d4 ff ff ff 64 c7 00 16 00 00 00 31 c0 eb be 66 0f 1f 44 00 00 83 3d b1 12 5d 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 e2 f8 ff c3 48 83 ec 08 e8 3a 55 fd ff [ 62.843251] RSP: 002b:00007ffef44768e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 62.850986] RAX: ffffffffffffffda RBX: 000000000000f0bf RCX: 00000000004854a0 [ 62.858238] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffef44768f0 [ 62.865494] RBP: 0000000000000039 R08: 0000000000000001 R09: 0000000000f25940 [ 62.872769] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000d [ 62.880033] R13: 000000000000f097 R14: 0000000000000011 R15: 0000000000000000 [ 62.888188] Kernel Offset: disabled [ 62.891810] Rebooting in 86400 seconds..