syzkaller login: [ 37.153191] kauditd_printk_skb: 9 callbacks suppressed [ 37.153197] audit: type=1400 audit(1583185117.865:35): avc: denied { map } for pid=7103 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 [ 43.515084] audit: type=1400 audit(1583185124.225:36): avc: denied { map } for pid=7114 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16480 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 45.646169] IPVS: ftp: loaded support on port[0] = 21 [ 46.064933] can: request_module (can-proto-0) failed. [ 47.043088] can: request_module (can-proto-0) failed. [ 47.207641] audit: type=1400 audit(1583185127.925:37): avc: denied { create } for pid=7114 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 47.232384] audit: type=1400 audit(1583185127.925:38): avc: denied { create } for pid=7114 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 47.255986] audit: type=1400 audit(1583185127.925:39): avc: denied { create } for pid=7114 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 Warning: Permanently added '10.128.0.89' (ECDSA) to the list of known hosts. 2020/03/02 21:38:55 parsed 1 programs 2020/03/02 21:38:56 executed programs: 0 [ 55.664147] IPVS: ftp: loaded support on port[0] = 21 [ 55.667495] IPVS: ftp: loaded support on port[0] = 21 [ 55.684024] IPVS: ftp: loaded support on port[0] = 21 [ 55.685921] IPVS: ftp: loaded support on port[0] = 21 [ 55.720443] IPVS: ftp: loaded support on port[0] = 21 [ 55.735283] IPVS: ftp: loaded support on port[0] = 21 [ 55.872795] chnl_net:caif_netlink_parms(): no params data found [ 55.941290] chnl_net:caif_netlink_parms(): no params data found [ 55.973222] chnl_net:caif_netlink_parms(): no params data found [ 55.980738] chnl_net:caif_netlink_parms(): no params data found [ 56.006443] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.013312] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.020717] device bridge_slave_0 entered promiscuous mode [ 56.065325] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.071842] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.078826] device bridge_slave_1 entered promiscuous mode [ 56.088619] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.095098] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.102513] device bridge_slave_0 entered promiscuous mode [ 56.126191] chnl_net:caif_netlink_parms(): no params data found [ 56.148304] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.154716] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.162021] device bridge_slave_1 entered promiscuous mode [ 56.192871] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.199519] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.206737] device bridge_slave_0 entered promiscuous mode [ 56.218346] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.228873] chnl_net:caif_netlink_parms(): no params data found [ 56.242254] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.249186] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.257683] device bridge_slave_1 entered promiscuous mode [ 56.272022] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.310052] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.324847] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.332694] team0: Port device team_slave_0 added [ 56.337963] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.344321] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.351318] device bridge_slave_0 entered promiscuous mode [ 56.358974] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.368785] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.375149] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.382112] device bridge_slave_0 entered promiscuous mode [ 56.389559] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.402125] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.411261] team0: Port device team_slave_1 added [ 56.416749] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.423792] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.430242] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.437404] device bridge_slave_1 entered promiscuous mode [ 56.444349] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.453875] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.460291] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.467662] device bridge_slave_1 entered promiscuous mode [ 56.484900] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.517590] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.525007] team0: Port device team_slave_0 added [ 56.587936] device hsr_slave_0 entered promiscuous mode [ 56.625807] device hsr_slave_1 entered promiscuous mode [ 56.676962] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.684914] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 56.692917] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 56.706264] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.713600] team0: Port device team_slave_1 added [ 56.718908] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.726581] team0: Port device team_slave_0 added [ 56.732558] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.744764] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 56.753979] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 56.761985] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.768441] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.775684] device bridge_slave_0 entered promiscuous mode [ 56.782095] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.789488] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.797192] team0: Port device team_slave_1 added [ 56.806840] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.814078] team0: Port device team_slave_0 added [ 56.824623] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.831334] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.838582] device bridge_slave_1 entered promiscuous mode [ 56.844817] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.854536] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.862000] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.869232] team0: Port device team_slave_1 added [ 56.879639] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 56.889578] team0: Port device team_slave_0 added [ 56.905189] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.919216] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 56.927036] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 56.934347] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 56.943062] team0: Port device team_slave_1 added [ 56.955295] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 57.027867] device hsr_slave_0 entered promiscuous mode [ 57.065772] device hsr_slave_1 entered promiscuous mode [ 57.126172] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.137534] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 57.148972] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 57.170275] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.177252] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.227264] device hsr_slave_0 entered promiscuous mode [ 57.275813] device hsr_slave_1 entered promiscuous mode [ 57.356929] device hsr_slave_0 entered promiscuous mode [ 57.395741] device hsr_slave_1 entered promiscuous mode [ 57.475936] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 57.483275] team0: Port device team_slave_0 added [ 57.495850] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.503584] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.512057] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.522857] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.530743] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 57.538551] team0: Port device team_slave_1 added [ 57.543927] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.587795] device hsr_slave_0 entered promiscuous mode [ 57.615813] device hsr_slave_1 entered promiscuous mode [ 57.655968] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 57.663217] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.678354] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.685809] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 57.702695] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.718795] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.731659] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.786953] device hsr_slave_0 entered promiscuous mode [ 57.835955] device hsr_slave_1 entered promiscuous mode [ 57.896095] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.903693] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.913214] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.966995] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.993108] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.006731] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.021949] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.043112] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.062692] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.071427] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.084184] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.094015] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.103777] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.112084] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.120442] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.127605] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.134529] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.142243] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.152427] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.160739] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.169495] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.175912] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.182643] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.189555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.196951] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.204738] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.213600] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.221461] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.227689] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.237366] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.245581] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.252669] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.261835] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.272100] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.285268] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.293366] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.301971] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.308477] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.316760] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.323587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.330483] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.338503] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.346526] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.352971] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.360026] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.368097] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.375726] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.382066] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.388891] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.396947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.404410] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.410781] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.417804] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.424810] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.431881] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.442630] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.452610] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.463974] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.472044] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.480956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.487944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.495737] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.503774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.511603] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.518325] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.527941] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.534025] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.542464] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.548824] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.556430] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.566505] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.574947] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.591611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.602001] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.610962] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.619523] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.625947] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.632761] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.640869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.650285] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.663226] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.671747] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.681164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.690728] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.698890] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.705240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.712211] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.720263] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.728374] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.736836] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.746657] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.754275] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.762652] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.774858] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.782266] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.790284] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.798322] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.806160] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.813861] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.820276] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.827644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.837117] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.844903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.852774] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.860348] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.866757] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.873778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.881845] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.889607] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.896792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.906015] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.915171] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 58.922931] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.931169] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.938892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.947005] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.955142] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.964482] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.973051] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.981585] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.988219] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.995149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.003410] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.011220] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.019180] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.027229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.034807] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.041315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.049151] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.055886] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.062811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.070128] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.078682] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.089338] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.099231] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.108113] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.117893] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.125610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.133335] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.143763] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.152596] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.164322] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.174408] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.183208] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.191406] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.199613] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.209006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.217385] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.224926] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.232721] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.240896] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.250022] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 59.260148] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.268857] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 59.274951] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.282678] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.291710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.301479] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.310081] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.319962] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.329950] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 59.330452] audit: type=1400 audit(1583185140.045:40): avc: denied { associate } for pid=7213 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 [ 59.339009] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.376653] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.384572] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 59.392709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.406760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.414398] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.424949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.432877] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.439271] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.446134] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.453812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.461553] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.469446] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.476993] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.484592] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.493661] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.500078] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.514256] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.523475] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 59.540453] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.555015] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.563472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.571134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.579062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.587207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.594762] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.601165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.609196] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.617448] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 59.628071] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.636112] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.643897] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.652132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.659790] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.668413] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.676357] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.686470] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 59.694898] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.701753] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.711829] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.718067] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.725151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.737667] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.747563] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.754911] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 59.765200] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 59.782480] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.789285] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.796961] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.804470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.814122] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 59.820644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.831139] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 59.841626] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.852389] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.862564] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 59.874834] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.886325] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.896899] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.904635] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.917893] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.928483] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.949965] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.967429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.977202] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.991867] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 60.001095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.010090] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.018278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.026786] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.041443] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 60.068171] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.078032] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.115244] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 60.136083] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.204548] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 60.227193] 8021q: adding VLAN 0 to HW filter on device batadv0 2020/03/02 21:39:01 executed programs: 27 [ 211.945562] INFO: task syz-executor.5:7290 blocked for more than 140 seconds. [ 211.953190] Not tainted 4.19.107-syzkaller #0 [ 211.964029] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 211.973073] syz-executor.5 D28136 7290 7215 0x80000004 [ 211.983354] Call Trace: [ 211.986072] __schedule+0x78c/0x1c10 [ 211.989799] ? pci_mmcfg_check_reserved+0x120/0x120 [ 211.994804] ? rwsem_down_read_failed+0x203/0x3e0 [ 212.004305] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.009059] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.013554] ? rwsem_down_read_failed+0x21c/0x3e0 [ 212.023147] schedule+0x7f/0x1b0 [ 212.028499] rwsem_down_read_failed+0x21c/0x3e0 [ 212.033184] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 212.042630] ? find_held_lock+0x36/0x1d0 [ 212.046900] call_rwsem_down_read_failed+0x18/0x30 [ 212.051958] down_read+0x49/0xb0 [ 212.055327] ? do_exit+0x617/0x2d20 [ 212.063834] do_exit+0x617/0x2d20 [ 212.067541] ? kasan_check_write+0x14/0x20 [ 212.071781] ? wake_up_q+0xb3/0x100 [ 212.080083] ? mm_update_next_owner+0x680/0x680 [ 212.084766] ? find_held_lock+0x36/0x1d0 [ 212.088983] ? get_signal+0x2c3/0x1a00 [ 212.092866] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.102561] ? get_signal+0x2c3/0x1a00 [ 212.108451] do_group_exit+0xf4/0x2f0 [ 212.112264] get_signal+0x313/0x1a00 [ 212.120794] ? vm_mmap_pgoff+0x15a/0x210 [ 212.124881] ? lock_downgrade+0x860/0x860 [ 212.129190] do_signal+0x87/0x1960 [ 212.132849] ? vm_mmap_pgoff+0x15a/0x210 [ 212.141648] ? vma_is_stack_for_current+0x90/0x90 [ 212.146669] ? setup_sigcontext+0x7d0/0x7d0 [ 212.151111] ? _copy_to_user+0x91/0xb0 [ 212.155119] ? ksys_mmap_pgoff+0xa4/0x650 [ 212.164002] ? exit_to_usermode_loop+0x3a/0x200 [ 212.168837] ? do_syscall_64+0x413/0x4e0 [ 212.172932] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.182200] ? exit_to_usermode_loop+0x3a/0x200 [ 212.189603] ? trace_hardirqs_on+0x28/0x190 [ 212.193935] exit_to_usermode_loop+0x114/0x200 [ 212.203100] do_syscall_64+0x413/0x4e0 [ 212.207197] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.212392] RIP: 0033:0x45987a [ 212.220169] Code: Bad RIP value. [ 212.223552] RSP: 002b:00007ffe5533c1e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 212.233118] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045987a [ 212.245199] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 212.252661] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 212.264587] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 212.281211] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 212.288740] INFO: task syz-executor.5:7295 blocked for more than 140 seconds. [ 212.301423] Not tainted 4.19.107-syzkaller #0 [ 212.306866] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 212.314854] syz-executor.5 D28200 7295 7215 0x80000004 [ 212.325102] Call Trace: [ 212.327989] __schedule+0x78c/0x1c10 [ 212.331730] ? pci_mmcfg_check_reserved+0x120/0x120 [ 212.341651] ? rwsem_down_read_failed+0x203/0x3e0 [ 212.346840] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.351430] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.361580] ? rwsem_down_read_failed+0x21c/0x3e0 [ 212.367019] schedule+0x7f/0x1b0 [ 212.370378] rwsem_down_read_failed+0x21c/0x3e0 [ 212.375173] ? rwsem_down_write_failed+0xbf0/0xbf0 [ 212.384802] ? find_held_lock+0x36/0x1d0 [ 212.389043] call_rwsem_down_read_failed+0x18/0x30 [ 212.393984] down_read+0x49/0xb0 [ 212.402337] ? do_exit+0x617/0x2d20 [ 212.406317] do_exit+0x617/0x2d20 [ 212.409775] ? trace_hardirqs_on+0x28/0x190 [ 212.414096] ? mm_update_next_owner+0x680/0x680 [ 212.423501] ? find_held_lock+0x36/0x1d0 [ 212.429435] ? get_signal+0x2c3/0x1a00 [ 212.433453] ? _raw_spin_unlock_irq+0x27/0x80 [ 212.442571] ? get_signal+0x2c3/0x1a00 [ 212.446617] do_group_exit+0xf4/0x2f0 [ 212.450431] get_signal+0x313/0x1a00 [ 212.454146] ? vm_mmap_pgoff+0x15a/0x210 [ 212.462776] ? lock_downgrade+0x860/0x860 [ 212.467131] do_signal+0x87/0x1960 [ 212.470679] ? vm_mmap_pgoff+0x15a/0x210 [ 212.474735] ? vma_is_stack_for_current+0x90/0x90 [ 212.484300] ? setup_sigcontext+0x7d0/0x7d0 [ 212.489423] ? ksys_dup3+0x2e0/0x2e0 [ 212.493243] ? _copy_to_user+0x91/0xb0 [ 212.502107] ? kasan_check_write+0x14/0x20 [ 212.508183] ? fput+0x18/0x120 [ 212.511423] ? ksys_mmap_pgoff+0x3dc/0x650 [ 212.520388] ? exit_to_usermode_loop+0x3a/0x200 [ 212.525089] ? do_syscall_64+0x413/0x4e0 [ 212.529333] ? lockdep_hardirqs_on+0x421/0x5c0 [ 212.533919] ? exit_to_usermode_loop+0x3a/0x200 [ 212.543217] ? trace_hardirqs_on+0x28/0x190 [ 212.547721] exit_to_usermode_loop+0x114/0x200 [ 212.552389] do_syscall_64+0x413/0x4e0 [ 212.561030] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 212.566386] RIP: 0033:0x459829 [ 212.569584] Code: Bad RIP value. [ 212.572941] RSP: 002b:00007f28a795dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 212.585376] RAX: fffffffffffffffc RBX: 0000000000000006 RCX: 0000000000459829 [ 212.593328] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 212.605243] RBP: 000000000075bf20 R08: 0000000000000004 R09: 0000000000000000 [ 212.612692] R10: 0000000000000011 R11: 0000000000000246 R12: 00007f28a795e6d4 [ 212.625514] R13: 00000000004c5d1b R14: 00000000004da6d0 R15: 00000000ffffffff [ 212.632827] [ 212.632827] Showing all locks held in the system: [ 212.643947] 1 lock held by khungtaskd/1041: [ 212.649221] #0: 00000000034c10b6 (rcu_read_lock){....}, at: debug_show_all_locks+0x5b/0x27a [ 212.662533] 1 lock held by rsyslogd/6965: [ 212.666888] #0: 0000000032b55e86 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xa7/0xd0 [ 212.674811] 2 locks held by getty/7088: [ 212.683507] #0: 00000000d6e9cef0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.692205] #1: 0000000080c0aee8 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.705727] 2 locks held by getty/7089: [ 212.709719] #0: 0000000036f433e2 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.725127] #1: 000000001b260dc3 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.735120] 2 locks held by getty/7090: [ 212.743062] #0: 00000000bfab444a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.752361] #1: 000000007c641f7c (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.766630] 2 locks held by getty/7091: [ 212.770635] #0: 00000000af5eedd9 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.782893] #1: 00000000231c1ae0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.792679] 2 locks held by getty/7092: [ 212.800666] #0: 000000008a207998 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.809824] #1: 00000000cd051fbf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.823323] 2 locks held by getty/7093: [ 212.828338] #0: 00000000598bca2a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.840524] #1: 00000000851ae39a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.850308] 2 locks held by getty/7094: [ 212.854352] #0: 00000000f3dcc45c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 212.867325] #1: 0000000026ad0cc3 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x1ee/0x1910 [ 212.878751] 1 lock held by syz-executor.5/7290: [ 212.883440] #0: 00000000fae7fc18 (&mm->mmap_sem){++++}, at: do_exit+0x617/0x2d20 [ 212.893530] 1 lock held by syz-executor.5/7295: [ 212.901321] #0: 00000000fae7fc18 (&mm->mmap_sem){++++}, at: do_exit+0x617/0x2d20 [ 212.912308] 1 lock held by syz-executor.5/7302: [ 212.919384] [ 212.921019] ============================================= [ 212.921019] [ 212.930914] NMI backtrace for cpu 1 [ 212.934560] CPU: 1 PID: 1041 Comm: khungtaskd Not tainted 4.19.107-syzkaller #0 [ 212.942957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 212.952433] Call Trace: [ 212.955023] dump_stack+0x123/0x177 [ 212.958827] nmi_cpu_backtrace.cold.4+0x3e/0x76 [ 212.963503] ? lapic_can_unplug_cpu.cold.29+0x3f/0x3f [ 212.968704] nmi_trigger_cpumask_backtrace+0xe6/0x11a [ 212.973911] arch_trigger_cpumask_backtrace+0x14/0x20 [ 212.979293] watchdog+0x5c3/0xb40 [ 212.982759] kthread+0x324/0x3e0 [ 212.986125] ? hungtask_pm_notify+0x40/0x40 [ 212.990441] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 212.995981] ret_from_fork+0x24/0x30 [ 212.999859] Sending NMI from CPU 1 to CPUs 0: [ 213.004563] NMI backtrace for cpu 0 [ 213.004565] CPU: 0 PID: 7302 Comm: syz-executor.5 Not tainted 4.19.107-syzkaller #0 [ 213.004567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.004568] RIP: 0010:__lock_acquire+0xc4/0x4980 [ 213.004571] Code: f2 c7 40 1c f3 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 84 24 b8 01 00 00 31 c0 48 c7 c0 60 d5 4e 88 48 c1 e8 03 0f b6 14 10 <48> c7 c0 60 d5 4e 88 83 e0 07 83 c0 03 65 4c 8b 34 25 40 ee 01 00 [ 213.004573] RSP: 0018:ffff888079807680 EFLAGS: 00000806 [ 213.004575] RAX: 1ffffffff109daac RBX: 0000000000000000 RCX: 0000000000000000 [ 213.004577] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffff8880a07166d0 [ 213.004578] RBP: ffff888079807870 R08: 0000000000000001 R09: 0000000000000000 [ 213.004580] R10: ffff888079807a98 R11: ffff8880a0716677 R12: 0000000000000000 [ 213.004581] R13: ffff8880a07166d0 R14: 0000000000000001 R15: 0000000000000000 [ 213.004582] FS: 00007f28a793d700(0000) GS:ffff8880aea00000(0000) knlGS:0000000000000000 [ 213.004584] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 213.004585] CR2: ffffffffff600400 CR3: 000000007350a000 CR4: 00000000001406f0 [ 213.004587] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 213.004588] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 213.004589] Call Trace: [ 213.004590] ? _raw_spin_unlock_irq+0x27/0x80 [ 213.004591] ? finish_task_switch+0x14a/0x720 [ 213.004593] ? mark_held_locks+0x130/0x130 [ 213.004594] ? lockdep_hardirqs_on+0x421/0x5c0 [ 213.004595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.004596] ? trace_hardirqs_on_caller+0x28/0x180 [ 213.004597] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.004599] ? __lock_is_held+0xb5/0x140 [ 213.004600] ? perf_mmap+0x65b/0x1670 [ 213.004601] lock_acquire+0x173/0x3d0 [ 213.004602] ? perf_mmap+0x65b/0x1670 [ 213.004603] ? perf_mmap+0x65b/0x1670 [ 213.004604] ? perf_mmap+0x65b/0x1670 [ 213.004605] __mutex_lock+0xf5/0x1210 [ 213.004606] ? perf_mmap+0x65b/0x1670 [ 213.004607] ? perf_mmap+0x65b/0x1670 [ 213.004608] ? retint_kernel+0x2d/0x2d [ 213.004609] ? mutex_trylock+0x1e0/0x1e0 [ 213.004610] ? perf_mmap+0x651/0x1670 [ 213.004611] ? kasan_check_write+0x14/0x20 [ 213.004612] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 213.004613] ? retint_kernel+0x2d/0x2d [ 213.004614] ? wait_for_completion+0x460/0x460 [ 213.004616] mutex_lock_nested+0x16/0x20 [ 213.004617] ? mutex_lock_nested+0x16/0x20 [ 213.004618] perf_mmap+0x65b/0x1670 [ 213.004619] ? perf_release+0x50/0x50 [ 213.004620] ? memset+0x31/0x40 [ 213.004621] mmap_region+0x9b7/0x1470 [ 213.004622] ? __x64_sys_brk+0x680/0x680 [ 213.004623] ? get_unmapped_area+0x1bd/0x330 [ 213.004624] do_mmap+0x6b5/0xea0 [ 213.004625] vm_mmap_pgoff+0x195/0x210 [ 213.004626] ? vma_is_stack_for_current+0x90/0x90 [ 213.004627] ? ksys_dup3+0x2e0/0x2e0 [ 213.004628] ? _copy_to_user+0x91/0xb0 [ 213.004630] ksys_mmap_pgoff+0x3c6/0x650 [ 213.004631] ? find_mergeable_anon_vma+0x290/0x290 [ 213.004632] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 213.004633] ? do_syscall_64+0x21/0x4e0 [ 213.004634] __x64_sys_mmap+0xe9/0x1b0 [ 213.004635] do_syscall_64+0xd0/0x4e0 [ 213.004636] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 213.004637] RIP: 0033:0x459829 [ 213.004640] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 213.004641] RSP: 002b:00007f28a793cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 213.004644] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459829 [ 213.004645] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 213.004646] RBP: 000000000075bfc8 R08: 0000000000000003 R09: 0000000000000000 [ 213.004648] R10: 0000000000001011 R11: 0000000000000246 R12: 00007f28a793d6d4 [ 213.004649] R13: 00000000004c5d71 R14: 00000000004da748 R15: 00000000ffffffff [ 213.010590] Kernel panic - not syncing: hung_task: blocked tasks [ 213.381832] CPU: 1 PID: 1041 Comm: khungtaskd Not tainted 4.19.107-syzkaller #0 [ 213.389300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 213.398921] Call Trace: [ 213.401516] dump_stack+0x123/0x177 [ 213.405137] panic+0x1cd/0x375 [ 213.408335] ? __warn_printk+0xd6/0xd6 [ 213.412229] watchdog+0x5d4/0xb40 [ 213.415695] kthread+0x324/0x3e0 [ 213.419059] ? hungtask_pm_notify+0x40/0x40 [ 213.423400] ? kthread_cancel_delayed_work_sync+0x10/0x10 [ 213.429168] ret_from_fork+0x24/0x30 [ 213.434670] Kernel Offset: disabled [ 213.438365] Rebooting in 86400 seconds..