syzkaller login: [ 34.308111] kauditd_printk_skb: 9 callbacks suppressed [ 34.308117] audit: type=1400 audit(1581572980.036:35): avc: denied { map } for pid=7085 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 [ 40.694510] audit: type=1400 audit(1581572986.416:36): avc: denied { map } for pid=7096 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 41.399290] IPVS: ftp: loaded support on port[0] = 21 [ 41.818197] can: request_module (can-proto-0) failed. [ 42.826495] can: request_module (can-proto-0) failed. [ 42.835334] can: request_module (can-proto-0) failed. [ 43.009603] audit: type=1400 audit(1581572988.736:37): avc: denied { create } for pid=7096 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 [ 43.033447] audit: type=1400 audit(1581572988.736:38): avc: denied { create } for pid=7096 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 [ 43.057500] audit: type=1400 audit(1581572988.736:39): avc: denied { create } for pid=7096 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 '10.128.0.229' (ECDSA) to the list of known hosts. 2020/02/13 05:49:55 parsed 1 programs 2020/02/13 05:49:55 executed programs: 0 [ 50.206688] IPVS: ftp: loaded support on port[0] = 21 [ 50.264926] IPVS: ftp: loaded support on port[0] = 21 [ 50.280335] IPVS: ftp: loaded support on port[0] = 21 [ 50.291669] IPVS: ftp: loaded support on port[0] = 21 [ 50.324457] IPVS: ftp: loaded support on port[0] = 21 [ 50.324653] IPVS: ftp: loaded support on port[0] = 21 [ 50.421370] chnl_net:caif_netlink_parms(): no params data found [ 50.457413] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.464087] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.471472] device bridge_slave_0 entered promiscuous mode [ 50.491439] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.497996] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.504821] device bridge_slave_1 entered promiscuous mode [ 50.564639] chnl_net:caif_netlink_parms(): no params data found [ 50.581472] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.589651] chnl_net:caif_netlink_parms(): no params data found [ 50.615865] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.646764] chnl_net:caif_netlink_parms(): no params data found [ 50.701774] chnl_net:caif_netlink_parms(): no params data found [ 50.715222] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 50.722864] team0: Port device team_slave_0 added [ 50.728732] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 50.735845] team0: Port device team_slave_1 added [ 50.745573] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.752109] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.760214] device bridge_slave_0 entered promiscuous mode [ 50.769447] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.775792] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.782998] device bridge_slave_1 entered promiscuous mode [ 50.795344] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 50.806132] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 50.835585] chnl_net:caif_netlink_parms(): no params data found [ 50.846189] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.853486] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.860455] device bridge_slave_0 entered promiscuous mode [ 50.870489] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.876837] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.883709] device bridge_slave_1 entered promiscuous mode [ 50.899986] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 50.911086] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 50.969365] device hsr_slave_0 entered promiscuous mode [ 51.007543] device hsr_slave_1 entered promiscuous mode [ 51.061776] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.068800] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.075159] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.082520] device bridge_slave_0 entered promiscuous mode [ 51.089774] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.096138] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.103308] device bridge_slave_1 entered promiscuous mode [ 51.127797] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.135404] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.141891] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.148771] device bridge_slave_0 entered promiscuous mode [ 51.155121] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.180110] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.192207] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.199175] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.206181] device bridge_slave_1 entered promiscuous mode [ 51.221638] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.230357] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.237827] team0: Port device team_slave_0 added [ 51.246892] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.261028] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.272143] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.279524] team0: Port device team_slave_1 added [ 51.284818] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.292341] team0: Port device team_slave_0 added [ 51.298365] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.306109] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.313286] team0: Port device team_slave_1 added [ 51.318379] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.324709] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.331730] device bridge_slave_0 entered promiscuous mode [ 51.342574] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.349054] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.356080] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.362478] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.370679] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.382497] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.392766] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.399934] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.406723] device bridge_slave_1 entered promiscuous mode [ 51.413497] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.424538] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.431962] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.439463] team0: Port device team_slave_0 added [ 51.453880] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 51.466609] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.474913] team0: Port device team_slave_0 added [ 51.483803] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.491332] team0: Port device team_slave_1 added [ 51.497070] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.514424] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.524780] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 51.532253] team0: Port device team_slave_1 added [ 51.538523] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 51.555222] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.563680] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.571031] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 51.583161] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 51.640327] device hsr_slave_0 entered promiscuous mode [ 51.677804] device hsr_slave_1 entered promiscuous mode [ 51.758780] device hsr_slave_0 entered promiscuous mode [ 51.817507] device hsr_slave_1 entered promiscuous mode [ 51.888180] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.909827] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 51.920426] team0: Port device team_slave_0 added [ 51.925718] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 51.933403] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 51.989662] device hsr_slave_0 entered promiscuous mode [ 52.027592] device hsr_slave_1 entered promiscuous mode [ 52.067755] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.075067] team0: Port device team_slave_1 added [ 52.080674] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.128817] device hsr_slave_0 entered promiscuous mode [ 52.167508] device hsr_slave_1 entered promiscuous mode [ 52.218164] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.225347] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.242170] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.249271] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.258053] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.272669] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.308722] device hsr_slave_0 entered promiscuous mode [ 52.357559] device hsr_slave_1 entered promiscuous mode [ 52.408142] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.415433] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.430790] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.444371] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.454562] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.464546] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.479289] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.486296] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.499464] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 52.506440] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.517731] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.525619] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.535963] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.542515] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.585372] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.599877] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.617348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.625033] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.633702] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.640125] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.650980] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.668949] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.675228] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.683043] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.691053] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.697443] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.708381] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.720685] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 52.732940] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.743066] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.751122] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.759551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.767636] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 52.775349] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.784084] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.790404] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.800024] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.808407] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.817901] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.828422] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 52.840710] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.849881] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 52.856553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.864528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.872579] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.879054] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.885862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.893935] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.901522] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.908561] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.915651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 52.922970] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 52.930968] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.938886] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 52.946487] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 52.953426] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.962413] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 52.970612] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 52.978694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 52.986083] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.994106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.001840] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.009711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.017868] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.024214] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.031000] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.038853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.046362] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.052724] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.061415] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.069043] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.078956] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.088144] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.094975] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.102506] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.110053] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.116833] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.123870] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.131607] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.139436] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.145751] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.152540] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.159413] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.166998] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.175116] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.184172] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.192212] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.200830] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.207091] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.215192] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.223607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.231681] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.238762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.248686] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.256900] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 53.268072] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 53.274136] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.283095] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.294276] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.301190] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.310666] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.318958] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.326251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 53.335898] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.343624] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.352178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.359944] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.367706] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.374044] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.380841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.389512] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.401596] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.410023] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.416365] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.427369] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.436707] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.449474] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.457231] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.464490] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.472694] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.480663] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.489010] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.496857] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.503285] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.510175] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.518166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.525872] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.534028] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.541897] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.548413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.555759] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.562745] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.572114] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.581762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.593162] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 53.603143] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.611123] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.622013] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.629833] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.636163] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.643170] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.651439] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.659502] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.668115] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.674934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.682399] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.689637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.697701] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.707437] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.715302] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.724001] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 53.735702] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.743052] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.754435] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.762639] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.769142] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.776280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.784057] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.791832] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.798705] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.805382] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.813181] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.821248] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.830209] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.837775] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.846704] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 53.856276] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.864347] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.873785] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.881203] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 53.889499] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.896961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.904607] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.912059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.919863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.927453] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.933784] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.940583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 53.948198] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.957868] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.964816] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 53.974045] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 53.985662] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.993688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.001273] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.009465] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.016841] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.024373] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.033517] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.046844] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.054792] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.064803] audit: type=1400 audit(1581572999.786:40): avc: denied { associate } for pid=7196 comm="syz-executor.3" name="syz3" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 54.068703] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.101939] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.110433] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.119302] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.127399] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.135628] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.143325] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.153228] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.163132] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.171767] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.181664] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.191404] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.201851] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.212916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.221162] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.232630] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.236896] FAULT_INJECTION: forcing a failure. [ 54.236896] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 54.247781] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.256409] CPU: 0 PID: 7215 Comm: syz-executor.3 Not tainted 4.19.103-syzkaller #0 [ 54.262458] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.266781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.274774] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.283230] Call Trace: [ 54.283245] dump_stack+0x123/0x177 [ 54.283255] should_fail.cold.4+0x5/0x13 [ 54.283261] ? find_held_lock+0x36/0x1d0 [ 54.283268] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 54.283276] ? is_bpf_text_address+0x60/0xe0 [ 54.283284] __alloc_pages_nodemask+0x1d5/0x710 [ 54.290987] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.292880] ? kasan_check_read+0x11/0x20 [ 54.296962] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.300541] ? __alloc_pages_slowpath+0x25d0/0x25d0 [ 54.300551] ? __kernel_text_address+0xd/0x40 [ 54.300556] ? unwind_get_return_address+0x61/0xa0 [ 54.300566] alloc_pages_current+0xd6/0x1b0 [ 54.300576] depot_save_stack+0x3ea/0x466 [ 54.300584] save_stack+0xa9/0xd0 [ 54.300589] ? save_stack+0x43/0xd0 [ 54.300595] ? kasan_kmalloc+0xc7/0xe0 [ 54.306232] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.309750] ? kasan_slab_alloc+0x12/0x20 [ 54.309754] ? kmem_cache_alloc+0x12e/0x730 [ 54.309761] ? __debug_object_init+0x7dc/0xd70 [ 54.309765] ? debug_object_init_on_stack+0x19/0x20 [ 54.309772] ? schedule_hrtimeout_range_clock+0xbb/0x310 [ 54.309775] ? schedule_hrtimeout+0x12/0x20 [ 54.309780] ? wait_task_inactive+0x47c/0x570 [ 54.309785] ? __kthread_bind_mask+0x19/0x90 [ 54.309790] ? kthread_bind_mask+0xe/0x10 [ 54.315598] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.318888] ? init_rescuer.part.25+0xde/0x160 [ 54.318894] ? __alloc_workqueue_key+0x8eb/0xbb0 [ 54.318900] ? nbd_start_device+0x14d/0xc10 [ 54.318904] ? nbd_ioctl+0x1b6/0xb20 [ 54.318910] ? blkdev_ioctl+0x7ae/0x16e0 [ 54.318915] ? block_ioctl+0xd7/0x130 [ 54.318921] ? do_vfs_ioctl+0x196/0x10c0 [ 54.318924] ? ksys_ioctl+0x62/0x90 [ 54.318930] ? __x64_sys_ioctl+0x6e/0xb0 [ 54.337946] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.342434] ? do_syscall_64+0xd0/0x4e0 [ 54.346950] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.351823] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.351832] ? depot_save_stack+0x292/0x466 [ 54.351839] ? lock_downgrade+0x860/0x860 [ 54.351845] ? _raw_spin_unlock_irqrestore+0x63/0xd0 [ 54.351852] ? trace_hardirqs_off+0x41/0x180 [ 54.351859] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 54.351866] ? mark_held_locks+0xc7/0x130 [ 54.351873] ? kmem_cache_alloc+0x281/0x730 [ 54.364470] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 54.367575] ? kasan_unpoison_shadow+0x35/0x50 [ 54.367581] kasan_kmalloc+0xc7/0xe0 [ 54.367590] kasan_slab_alloc+0x12/0x20 [ 54.367595] kmem_cache_alloc+0x12e/0x730 [ 54.367601] ? mark_held_locks+0x130/0x130 [ 54.367607] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.367613] ? find_held_lock+0x36/0x1d0 [ 54.373954] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.378108] __debug_object_init+0x7dc/0xd70 [ 54.378115] ? debug_check_no_obj_freed+0x1ff/0x472 [ 54.378122] ? lock_downgrade+0x860/0x860 [ 54.378127] ? debug_object_fixup+0x30/0x30 [ 54.378135] ? quarantine_put+0x11b/0x1c0 [ 54.378145] debug_object_init_on_stack+0x19/0x20 [ 54.388722] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.391190] schedule_hrtimeout_range_clock+0xbb/0x310 [ 54.430686] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.434725] ? hrtimer_nanosleep_restart+0x150/0x150 [ 54.439166] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.442728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 54.449477] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.450555] ? wait_task_inactive+0x38a/0x570 [ 54.455892] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.458215] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.458222] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 54.458229] ? trace_hardirqs_on+0x28/0x190 [ 54.458237] schedule_hrtimeout+0x12/0x20 [ 54.458242] wait_task_inactive+0x47c/0x570 [ 54.458250] ? migrate_swap+0x350/0x350 [ 54.458260] ? alloc_worker+0x43/0x1e0 [ 54.458270] ? __kthread_create_on_node+0x3d0/0x3d0 [ 54.464553] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.468274] __kthread_bind_mask+0x19/0x90 [ 54.468281] kthread_bind_mask+0xe/0x10 [ 54.468288] init_rescuer.part.25+0xde/0x160 [ 54.468293] ? cpus_read_unlock+0x64/0x80 [ 54.468301] __alloc_workqueue_key+0x8eb/0xbb0 [ 54.468311] ? workqueue_sysfs_register+0x370/0x370 [ 54.473158] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.478678] ? mark_held_locks+0x130/0x130 [ 54.478692] nbd_start_device+0x14d/0xc10 [ 54.478703] nbd_ioctl+0x1b6/0xb20 [ 54.478711] ? kasan_check_read+0x11/0x20 [ 54.478717] ? nbd_add_socket+0x5f0/0x5f0 [ 54.491510] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 54.492561] ? avc_has_extended_perms+0x4e2/0x1170 [ 54.499052] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.502063] ? __lock_acquire+0x792/0x4980 [ 54.512821] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.515740] blkdev_ioctl+0x7ae/0x16e0 [ 54.768222] ? blkpg_ioctl+0x8f0/0x8f0 [ 54.772129] ? mark_held_locks+0x130/0x130 [ 54.776426] ? kasan_check_write+0x14/0x20 [ 54.780693] ? proc_fail_nth_write+0x13a/0x180 [ 54.785267] ? proc_cwd_link+0x1b0/0x1b0 [ 54.789317] ? trace_hardirqs_on_caller+0x28/0x180 [ 54.794246] block_ioctl+0xd7/0x130 [ 54.797871] do_vfs_ioctl+0x196/0x10c0 [ 54.801752] ? ioctl_preallocate+0x1c0/0x1c0 [ 54.806143] ? selinux_file_mprotect+0x5f0/0x5f0 [ 54.810879] ? __down+0x153/0x2b0 [ 54.814318] ? ksys_dup3+0x2e0/0x2e0 [ 54.818014] ? kasan_check_write+0x14/0x20 [ 54.822233] ? fput+0x18/0x120 [ 54.825593] ? security_file_ioctl+0x4a/0x90 [ 54.830008] ? __fget_light+0x174/0x1e0 [ 54.834015] ksys_ioctl+0x62/0x90 [ 54.837600] ? lockdep_hardirqs_on+0x421/0x5c0 [ 54.842208] __x64_sys_ioctl+0x6e/0xb0 [ 54.846102] do_syscall_64+0xd0/0x4e0 [ 54.849898] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.855341] RIP: 0033:0x45a909 [ 54.858648] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.877649] RSP: 002b:00007f9d5a11cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.885383] RAX: ffffffffffffffda RBX: 00007f9d5a11cc90 RCX: 000000000045a909 [ 54.892776] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 54.900142] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 54.907406] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d5a11d6d4 [ 54.914676] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 54.945522] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 54.954553] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.962173] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 54.974010] FAULT_INJECTION: forcing a failure. [ 54.974010] name failslab, interval 1, probability 0, space 0, times 1 [ 54.985716] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 54.992966] FAULT_INJECTION: forcing a failure. [ 54.992966] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 54.993008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.005825] CPU: 0 PID: 7224 Comm: syz-executor.2 Not tainted 4.19.103-syzkaller #0 [ 55.019888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.027668] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.029232] Call Trace: [ 55.036582] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.038829] dump_stack+0x123/0x177 [ 55.038839] should_fail.cold.4+0x5/0x13 [ 55.038846] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.038855] ? __might_sleep+0x95/0x190 [ 55.038864] __alloc_pages_nodemask+0x1d5/0x710 [ 55.066769] ? kasan_check_read+0x11/0x20 [ 55.067309] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.071020] ? __alloc_pages_slowpath+0x25d0/0x25d0 [ 55.077750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.082591] ? __kernel_text_address+0xd/0x40 [ 55.094245] ? unwind_get_return_address+0x61/0xa0 [ 55.097747] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.099168] alloc_pages_current+0xd6/0x1b0 [ 55.110581] depot_save_stack+0x3ea/0x466 [ 55.112657] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 55.114730] save_stack+0xa9/0xd0 [ 55.124298] ? save_stack+0x43/0xd0 [ 55.127910] ? kasan_kmalloc+0xc7/0xe0 [ 55.128703] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.131874] ? kmem_cache_alloc_trace+0x152/0x740 [ 55.131882] ? blk_mq_update_nr_hw_queues+0x427/0xb50 [ 55.148054] ? nbd_start_device+0x1b6/0xc10 [ 55.152375] ? nbd_ioctl+0x1b6/0xb20 [ 55.156078] ? blkdev_ioctl+0x7ae/0x16e0 [ 55.158764] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.160129] ? block_ioctl+0xd7/0x130 [ 55.169974] ? do_vfs_ioctl+0x196/0x10c0 [ 55.174018] ? ksys_ioctl+0x62/0x90 [ 55.177629] ? __x64_sys_ioctl+0x6e/0xb0 [ 55.181687] ? do_syscall_64+0xd0/0x4e0 [ 55.185661] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.191024] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 55.196114] ? __free_object+0xe1/0x1f0 [ 55.200083] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 55.205188] ? debug_object_free+0x26e/0x440 [ 55.209604] ? __lock_is_held+0xb5/0x140 [ 55.213775] ? mark_held_locks+0xc7/0x130 [ 55.218040] ? kasan_unpoison_shadow+0x35/0x50 [ 55.222621] kasan_kmalloc+0xc7/0xe0 [ 55.226509] kmem_cache_alloc_trace+0x152/0x740 [ 55.231194] blk_mq_update_nr_hw_queues+0x427/0xb50 [ 55.236211] ? workqueue_sysfs_register+0x370/0x370 [ 55.241497] ? blk_mq_init_queue+0x90/0x90 [ 55.245728] nbd_start_device+0x1b6/0xc10 [ 55.249869] nbd_ioctl+0x1b6/0xb20 [ 55.253410] ? kasan_check_read+0x11/0x20 [ 55.257543] ? nbd_add_socket+0x5f0/0x5f0 [ 55.261676] ? avc_has_extended_perms+0x4e2/0x1170 [ 55.266590] ? __lock_acquire+0x792/0x4980 [ 55.270834] blkdev_ioctl+0x7ae/0x16e0 [ 55.274706] ? blkpg_ioctl+0x8f0/0x8f0 [ 55.278588] ? mark_held_locks+0x130/0x130 [ 55.282806] ? kasan_check_write+0x14/0x20 [ 55.287023] ? proc_fail_nth_write+0x13a/0x180 [ 55.291590] ? proc_cwd_link+0x1b0/0x1b0 [ 55.295635] ? __lock_is_held+0xb5/0x140 [ 55.299687] block_ioctl+0xd7/0x130 [ 55.303303] do_vfs_ioctl+0x196/0x10c0 [ 55.307359] ? ioctl_preallocate+0x1c0/0x1c0 [ 55.311884] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.316659] ? __down+0x153/0x2b0 [ 55.320109] ? ksys_dup3+0x2e0/0x2e0 [ 55.323813] ? kasan_check_write+0x14/0x20 [ 55.328036] ? fput+0x18/0x120 [ 55.331326] ? security_file_ioctl+0x4a/0x90 [ 55.335839] ? __fget_light+0x174/0x1e0 [ 55.339807] ksys_ioctl+0x62/0x90 [ 55.343248] ? lockdep_hardirqs_on+0x421/0x5c0 [ 55.347823] __x64_sys_ioctl+0x6e/0xb0 [ 55.351699] do_syscall_64+0xd0/0x4e0 [ 55.355506] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.360695] RIP: 0033:0x45a909 [ 55.363869] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.383226] RSP: 002b:00007fe12694bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.390923] RAX: ffffffffffffffda RBX: 00007fe12694bc90 RCX: 000000000045a909 [ 55.398192] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 55.405476] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 55.412748] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe12694c6d4 [ 55.420149] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 55.427529] CPU: 1 PID: 7222 Comm: syz-executor.0 Not tainted 4.19.103-syzkaller #0 [ 55.435334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.442496] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 55.444686] Call Trace: [ 55.453415] dump_stack+0x123/0x177 [ 55.457044] should_fail.cold.4+0x5/0x13 [ 55.459145] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 55.461102] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.473043] __should_failslab+0xba/0xf0 [ 55.475455] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 55.477133] should_failslab+0x9/0x14 [ 55.477142] kmem_cache_alloc_trace+0x2d4/0x740 [ 55.477155] blk_mq_update_nr_hw_queues+0x427/0xb50 [ 55.477168] ? workqueue_sysfs_register+0x370/0x370 [ 55.486023] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.487616] ? blk_mq_init_queue+0x90/0x90 [ 55.487631] nbd_start_device+0x1b6/0xc10 [ 55.487641] nbd_ioctl+0x1b6/0xb20 [ 55.487649] ? kasan_check_read+0x11/0x20 [ 55.487655] ? nbd_add_socket+0x5f0/0x5f0 [ 55.487662] ? avc_has_extended_perms+0x4e2/0x1170 [ 55.487669] ? __lock_acquire+0x792/0x4980 [ 55.487679] blkdev_ioctl+0x7ae/0x16e0 [ 55.487684] ? blkpg_ioctl+0x8f0/0x8f0 [ 55.487692] ? mark_held_locks+0x130/0x130 [ 55.487697] ? kasan_check_write+0x14/0x20 [ 55.487703] ? proc_fail_nth_write+0x13a/0x180 [ 55.487709] ? proc_cwd_link+0x1b0/0x1b0 [ 55.487714] ? __lock_is_held+0xb5/0x140 [ 55.487730] block_ioctl+0xd7/0x130 [ 55.487739] do_vfs_ioctl+0x196/0x10c0 [ 55.496626] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.497427] ? ioctl_preallocate+0x1c0/0x1c0 [ 55.497436] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.497442] ? __down+0x153/0x2b0 [ 55.497452] ? ksys_dup3+0x2e0/0x2e0 [ 55.497459] ? kasan_check_write+0x14/0x20 [ 55.497466] ? fput+0x18/0x120 [ 55.497482] ? security_file_ioctl+0x4a/0x90 [ 55.503380] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.512097] ? __fget_light+0x174/0x1e0 [ 55.512109] ksys_ioctl+0x62/0x90 [ 55.512116] ? lockdep_hardirqs_on+0x421/0x5c0 [ 55.512124] __x64_sys_ioctl+0x6e/0xb0 [ 55.512133] do_syscall_64+0xd0/0x4e0 [ 55.512142] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.512148] RIP: 0033:0x45a909 [ 55.512155] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.512159] RSP: 002b:00007fe55b2f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.512165] RAX: ffffffffffffffda RBX: 00007fe55b2f8c90 RCX: 000000000045a909 [ 55.512168] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 55.512171] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 55.512175] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe55b2f96d4 [ 55.512178] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 2020/02/13 05:50:01 executed programs: 6 [ 55.719212] block nbd2: shutting down sockets [ 55.726849] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.733858] block nbd3: shutting down sockets [ 55.738102] block nbd0: shutting down sockets [ 55.741170] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 55.759345] FAULT_INJECTION: forcing a failure. [ 55.759345] name failslab, interval 1, probability 0, space 0, times 0 [ 55.795457] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 55.803472] CPU: 1 PID: 7228 Comm: syz-executor.1 Not tainted 4.19.103-syzkaller #0 [ 55.810394] FAULT_INJECTION: forcing a failure. [ 55.810394] name failslab, interval 1, probability 0, space 0, times 0 [ 55.811282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.811285] Call Trace: [ 55.811298] dump_stack+0x123/0x177 [ 55.811309] should_fail.cold.4+0x5/0x13 [ 55.811317] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.826112] FAULT_INJECTION: forcing a failure. [ 55.826112] name failslab, interval 1, probability 0, space 0, times 0 [ 55.831867] __should_failslab+0xba/0xf0 [ 55.831877] should_failslab+0x9/0x14 [ 55.831882] kmem_cache_alloc_trace+0x2d4/0x740 [ 55.831894] blk_mq_update_nr_hw_queues+0x427/0xb50 [ 55.831903] ? workqueue_sysfs_register+0x370/0x370 [ 55.831910] ? blk_mq_init_queue+0x90/0x90 [ 55.831921] nbd_start_device+0x1b6/0xc10 [ 55.831932] nbd_ioctl+0x1b6/0xb20 [ 55.831944] ? kasan_check_read+0x11/0x20 [ 55.831950] ? nbd_add_socket+0x5f0/0x5f0 [ 55.831957] ? avc_has_extended_perms+0x4e2/0x1170 [ 55.831965] ? __lock_acquire+0x792/0x4980 [ 55.831975] blkdev_ioctl+0x7ae/0x16e0 [ 55.831981] ? blkpg_ioctl+0x8f0/0x8f0 [ 55.831988] ? mark_held_locks+0x130/0x130 [ 55.831992] ? kasan_check_write+0x14/0x20 [ 55.831998] ? proc_fail_nth_write+0x13a/0x180 [ 55.832002] ? proc_cwd_link+0x1b0/0x1b0 [ 55.832007] ? __lock_is_held+0xb5/0x140 [ 55.832022] block_ioctl+0xd7/0x130 [ 55.832031] do_vfs_ioctl+0x196/0x10c0 [ 55.832039] ? ioctl_preallocate+0x1c0/0x1c0 [ 55.832046] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.832052] ? __down+0x153/0x2b0 [ 55.832061] ? ksys_dup3+0x2e0/0x2e0 [ 55.832066] ? kasan_check_write+0x14/0x20 [ 55.832074] ? fput+0x18/0x120 [ 55.832084] ? security_file_ioctl+0x4a/0x90 [ 55.832089] ? __fget_light+0x174/0x1e0 [ 55.832096] ksys_ioctl+0x62/0x90 [ 55.982765] ? lockdep_hardirqs_on+0x421/0x5c0 [ 55.987355] __x64_sys_ioctl+0x6e/0xb0 [ 55.991244] do_syscall_64+0xd0/0x4e0 [ 55.995052] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.000346] RIP: 0033:0x45a909 [ 56.003546] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.022830] RSP: 002b:00007f269f7a6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.030640] RAX: ffffffffffffffda RBX: 00007f269f7a6c90 RCX: 000000000045a909 [ 56.037913] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 56.045191] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 56.052454] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f269f7a76d4 [ 56.059715] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 56.066992] CPU: 0 PID: 7236 Comm: syz-executor.2 Not tainted 4.19.103-syzkaller #0 [ 56.067855] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.074798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.074801] Call Trace: [ 56.074816] dump_stack+0x123/0x177 [ 56.074828] should_fail.cold.4+0x5/0x13 [ 56.074835] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 56.074843] ? lock_downgrade+0x860/0x860 [ 56.081782] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.090884] __should_failslab+0xba/0xf0 [ 56.090894] should_failslab+0x9/0x14 [ 56.090899] kmem_cache_alloc+0x2bc/0x730 [ 56.090909] ? mark_held_locks+0x130/0x130 [ 56.090917] __d_alloc+0x28/0x9d0 [ 56.090925] d_alloc+0x42/0x220 [ 56.090932] d_alloc_parallel+0xf3/0x1750 [ 56.090944] ? __d_lookup_rcu+0x8a0/0x8a0 [ 56.090956] ? mark_held_locks+0x130/0x130 [ 56.094181] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.097191] ? avc_has_extended_perms+0x1170/0x1170 [ 56.097200] ? __lockdep_init_map+0x105/0x590 [ 56.097205] ? __lockdep_init_map+0x105/0x590 [ 56.097217] __lookup_slow+0x18d/0x400 [ 56.097224] ? vfs_unlink+0x450/0x450 [ 56.097234] ? __d_lookup+0x2ed/0x580 [ 56.097239] ? lockdep_hardirqs_on+0x421/0x5c0 [ 56.097243] ? d_lookup+0x134/0x1b0 [ 56.097251] ? d_lookup+0x10f/0x1b0 [ 56.097260] lookup_one_len+0x132/0x160 [ 56.097266] ? lookup_one_len_unlocked+0xc0/0xc0 [ 56.102138] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.106597] start_creating+0x91/0x190 [ 56.106605] debugfs_create_dir+0x14/0x370 [ 56.106614] nbd_start_device+0x39a/0xc10 [ 56.106625] nbd_ioctl+0x1b6/0xb20 [ 56.106632] ? kasan_check_read+0x11/0x20 [ 56.106638] ? nbd_add_socket+0x5f0/0x5f0 [ 56.111509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.118038] ? avc_has_extended_perms+0x4e2/0x1170 [ 56.118047] ? __lock_acquire+0x792/0x4980 [ 56.118059] blkdev_ioctl+0x7ae/0x16e0 [ 56.118065] ? blkpg_ioctl+0x8f0/0x8f0 [ 56.118072] ? mark_held_locks+0x130/0x130 [ 56.118078] ? kasan_check_write+0x14/0x20 [ 56.118084] ? proc_fail_nth_write+0x13a/0x180 [ 56.118090] ? proc_cwd_link+0x1b0/0x1b0 [ 56.118096] ? __lock_is_held+0xb5/0x140 [ 56.123329] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.125961] block_ioctl+0xd7/0x130 [ 56.125971] do_vfs_ioctl+0x196/0x10c0 [ 56.298318] ? ioctl_preallocate+0x1c0/0x1c0 [ 56.302738] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.307487] ? __down+0x153/0x2b0 [ 56.310934] ? ksys_dup3+0x2e0/0x2e0 [ 56.314697] ? kasan_check_write+0x14/0x20 [ 56.318926] ? fput+0x18/0x120 [ 56.322183] ? security_file_ioctl+0x4a/0x90 [ 56.326586] ? __fget_light+0x174/0x1e0 [ 56.330565] ksys_ioctl+0x62/0x90 [ 56.334010] ? lockdep_hardirqs_on+0x421/0x5c0 [ 56.338582] __x64_sys_ioctl+0x6e/0xb0 [ 56.342466] do_syscall_64+0xd0/0x4e0 [ 56.346257] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.351443] RIP: 0033:0x45a909 [ 56.354615] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.373632] RSP: 002b:00007fe12694bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.381333] RAX: ffffffffffffffda RBX: 00007fe12694bc90 RCX: 000000000045a909 [ 56.388866] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 56.396292] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 56.403665] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe12694c6d4 [ 56.410941] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 56.441079] FAULT_INJECTION: forcing a failure. [ 56.441079] name failslab, interval 1, probability 0, space 0, times 0 [ 56.446933] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.461572] CPU: 1 PID: 7240 Comm: syz-executor.3 Not tainted 4.19.103-syzkaller #0 [ 56.466043] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 56.469386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.469389] Call Trace: [ 56.469404] dump_stack+0x123/0x177 [ 56.469414] should_fail.cold.4+0x5/0x13 [ 56.469421] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 56.469427] ? lock_downgrade+0x860/0x860 [ 56.469439] __should_failslab+0xba/0xf0 [ 56.469447] should_failslab+0x9/0x14 [ 56.469452] kmem_cache_alloc+0x2bc/0x730 [ 56.469456] ? __lock_acquire+0x792/0x4980 [ 56.469460] ? __lock_acquire+0x792/0x4980 [ 56.469470] __kernfs_new_node+0xe7/0x6f0 [ 56.469479] ? kernfs_dop_revalidate+0x350/0x350 [ 56.469486] ? mark_held_locks+0x130/0x130 [ 56.469490] ? lock_acquire+0x173/0x3d0 [ 56.469498] ? __lock_acquire+0x792/0x4980 [ 56.469504] ? find_held_lock+0x36/0x1d0 [ 56.469510] ? find_held_lock+0x36/0x1d0 [ 56.469521] kernfs_new_node+0x62/0x110 [ 56.469526] ? lock_downgrade+0x860/0x860 [ 56.469533] __kernfs_create_file+0x35/0x2d2 [ 56.469538] ? kasan_check_read+0x11/0x20 [ 56.469546] sysfs_add_file_mode_ns+0x1b0/0x4e0 [ 56.469557] sysfs_create_file_ns+0x12a/0x1c0 [ 56.469565] ? sysfs_add_file_mode_ns+0x4e0/0x4e0 [ 56.482059] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 56.485051] ? _raw_spin_unlock_irq+0x27/0x80 [ 56.492397] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.495557] ? blk_queue_write_cache+0x15f/0x33f [ 56.533827] block nbd2: Failed to create debugfs dir for 'nbd2' [ 56.534122] ? lockdep_hardirqs_on+0x421/0x5c0 [ 56.547830] block nbd1: Receive control failed (result -107) [ 56.550636] ? _raw_spin_unlock_irq+0x27/0x80 [ 56.550647] ? trace_hardirqs_on+0x28/0x190 [ 56.557779] block nbd1: Receive control failed (result -107) [ 56.558769] device_create_file+0xad/0x190 [ 56.563398] block nbd1: shutting down sockets [ 56.567334] nbd_start_device+0x327/0xc10 [ 56.567344] nbd_ioctl+0x1b6/0xb20 [ 56.567351] ? kasan_check_read+0x11/0x20 [ 56.567356] ? nbd_add_socket+0x5f0/0x5f0 [ 56.567363] ? avc_has_extended_perms+0x4e2/0x1170 [ 56.567371] ? __lock_acquire+0x792/0x4980 [ 56.567381] blkdev_ioctl+0x7ae/0x16e0 [ 56.567386] ? blkpg_ioctl+0x8f0/0x8f0 [ 56.567393] ? mark_held_locks+0x130/0x130 [ 56.567397] ? kasan_check_write+0x14/0x20 [ 56.567402] ? proc_fail_nth_write+0x13a/0x180 [ 56.567407] ? proc_cwd_link+0x1b0/0x1b0 [ 56.567412] ? __lock_is_held+0xb5/0x140 [ 56.567430] block_ioctl+0xd7/0x130 [ 56.567437] do_vfs_ioctl+0x196/0x10c0 [ 56.567446] ? ioctl_preallocate+0x1c0/0x1c0 [ 56.567453] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.567460] ? __down+0x153/0x2b0 [ 56.567468] ? ksys_dup3+0x2e0/0x2e0 [ 56.567472] ? kasan_check_write+0x14/0x20 [ 56.567478] ? fput+0x18/0x120 [ 56.567488] ? security_file_ioctl+0x4a/0x90 [ 56.567492] ? __fget_light+0x174/0x1e0 [ 56.567500] ksys_ioctl+0x62/0x90 [ 56.567504] ? lockdep_hardirqs_on+0x421/0x5c0 [ 56.567511] __x64_sys_ioctl+0x6e/0xb0 [ 56.567520] do_syscall_64+0xd0/0x4e0 [ 56.567527] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.567532] RIP: 0033:0x45a909 [ 56.567538] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.567542] RSP: 002b:00007f9d5a11cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.567548] RAX: ffffffffffffffda RBX: 00007f9d5a11cc90 RCX: 000000000045a909 [ 56.567551] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 56.567555] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 56.567557] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d5a11d6d4 [ 56.567560] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 56.594234] block nbd2: shutting down sockets [ 56.607260] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.613303] block nbd3: device_create_file failed! [ 56.617021] CPU: 0 PID: 7232 Comm: syz-executor.0 Not tainted 4.19.103-syzkaller #0 [ 56.621267] block nbd3: shutting down sockets [ 56.624695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.624699] Call Trace: [ 56.624711] dump_stack+0x123/0x177 [ 56.624723] should_fail.cold.4+0x5/0x13 [ 56.624731] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 56.624744] __should_failslab+0xba/0xf0 [ 56.624753] should_failslab+0x9/0x14 [ 56.689504] FAULT_INJECTION: forcing a failure. [ 56.689504] name failslab, interval 1, probability 0, space 0, times 0 [ 56.693938] kmem_cache_alloc_trace+0x2d4/0x740 [ 56.693954] blk_mq_update_nr_hw_queues+0x427/0xb50 [ 56.693965] ? workqueue_sysfs_register+0x370/0x370 [ 56.693971] ? blk_mq_init_queue+0x90/0x90 [ 56.693982] nbd_start_device+0x1b6/0xc10 [ 56.703831] FAULT_INJECTION: forcing a failure. [ 56.703831] name failslab, interval 1, probability 0, space 0, times 0 [ 56.705783] nbd_ioctl+0x1b6/0xb20 [ 56.705792] ? kasan_check_read+0x11/0x20 [ 56.705799] ? nbd_add_socket+0x5f0/0x5f0 [ 56.948295] ? avc_has_extended_perms+0x4e2/0x1170 [ 56.953209] ? __lock_acquire+0x792/0x4980 [ 56.957428] blkdev_ioctl+0x7ae/0x16e0 [ 56.961296] ? blkpg_ioctl+0x8f0/0x8f0 [ 56.965175] ? mark_held_locks+0x130/0x130 [ 56.969388] ? kasan_check_write+0x14/0x20 [ 56.973600] ? proc_fail_nth_write+0x13a/0x180 [ 56.978160] ? proc_cwd_link+0x1b0/0x1b0 [ 56.982199] ? __lock_is_held+0xb5/0x140 [ 56.986260] block_ioctl+0xd7/0x130 [ 56.989881] do_vfs_ioctl+0x196/0x10c0 [ 56.993763] ? ioctl_preallocate+0x1c0/0x1c0 [ 56.998161] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.002945] ? __down+0x153/0x2b0 [ 57.006467] ? ksys_dup3+0x2e0/0x2e0 [ 57.010162] ? kasan_check_write+0x14/0x20 [ 57.014386] ? fput+0x18/0x120 [ 57.017563] ? security_file_ioctl+0x4a/0x90 [ 57.021959] ? __fget_light+0x174/0x1e0 [ 57.025914] ksys_ioctl+0x62/0x90 [ 57.029360] ? lockdep_hardirqs_on+0x421/0x5c0 [ 57.033923] __x64_sys_ioctl+0x6e/0xb0 [ 57.037793] do_syscall_64+0xd0/0x4e0 [ 57.041582] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.046751] RIP: 0033:0x45a909 [ 57.049925] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.068818] RSP: 002b:00007fe55b2f8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.076525] RAX: ffffffffffffffda RBX: 00007fe55b2f8c90 RCX: 000000000045a909 [ 57.083788] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 57.091125] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 57.098376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe55b2f96d4 [ 57.106060] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 57.113325] CPU: 1 PID: 7254 Comm: syz-executor.4 Not tainted 4.19.103-syzkaller #0 [ 57.121149] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.124804] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.130494] Call Trace: [ 57.130507] dump_stack+0x123/0x177 [ 57.130517] should_fail.cold.4+0x5/0x13 [ 57.130524] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.130532] ? mark_held_locks+0x130/0x130 [ 57.130543] __should_failslab+0xba/0xf0 [ 57.130550] should_failslab+0x9/0x14 [ 57.130555] kmem_cache_alloc+0x47/0x730 [ 57.130562] ? find_held_lock+0x36/0x1d0 [ 57.130573] __debug_object_init+0x7dc/0xd70 [ 57.130579] ? debug_object_activate+0x1fd/0x4e0 [ 57.130585] ? lock_downgrade+0x860/0x860 [ 57.130591] ? debug_object_fixup+0x30/0x30 [ 57.130599] ? trace_hardirqs_off+0x41/0x180 [ 57.130609] debug_object_activate+0x257/0x4e0 [ 57.130615] ? debug_object_assert_init+0x370/0x370 [ 57.130630] ? percpu_ref_exit+0xa0/0xa0 [ 57.130648] __call_rcu.constprop.67+0x35/0x7d0 [ 57.130655] ? kasan_check_read+0x11/0x20 [ 57.163595] FAULT_INJECTION: forcing a failure. [ 57.163595] name failslab, interval 1, probability 0, space 0, times 0 [ 57.164643] ? __kfifo_from_user_r+0x310/0x310 [ 57.232867] call_rcu_sched+0x12/0x20 [ 57.236654] __percpu_ref_switch_mode+0x2ae/0x5d0 [ 57.241712] ? percpu_ref_switch_to_atomic_rcu+0x430/0x430 [ 57.247332] ? kasan_check_write+0x14/0x20 [ 57.251564] ? do_raw_spin_lock+0xd0/0x240 [ 57.255821] percpu_ref_kill_and_confirm+0x7d/0x2b0 [ 57.260825] blk_freeze_queue_start+0x3b/0x80 [ 57.265303] blk_freeze_queue+0xd/0x60 [ 57.269190] blk_mq_update_nr_hw_queues+0x1a7/0xb50 [ 57.274193] ? workqueue_sysfs_register+0x370/0x370 [ 57.279381] ? blk_mq_init_queue+0x90/0x90 [ 57.283603] nbd_start_device+0x1b6/0xc10 [ 57.287767] nbd_ioctl+0x1b6/0xb20 [ 57.291302] ? kasan_check_read+0x11/0x20 [ 57.295431] ? nbd_add_socket+0x5f0/0x5f0 [ 57.299562] ? avc_has_extended_perms+0x4e2/0x1170 [ 57.304514] ? __lock_acquire+0x792/0x4980 [ 57.308739] blkdev_ioctl+0x7ae/0x16e0 [ 57.312624] ? blkpg_ioctl+0x8f0/0x8f0 [ 57.316517] ? mark_held_locks+0x130/0x130 [ 57.320775] ? kasan_check_write+0x14/0x20 [ 57.325001] ? proc_fail_nth_write+0x13a/0x180 [ 57.329574] ? proc_cwd_link+0x1b0/0x1b0 [ 57.333637] ? __lock_is_held+0xb5/0x140 [ 57.337693] block_ioctl+0xd7/0x130 [ 57.341302] do_vfs_ioctl+0x196/0x10c0 [ 57.342784] FAULT_INJECTION: forcing a failure. [ 57.342784] name failslab, interval 1, probability 0, space 0, times 0 [ 57.345173] ? ioctl_preallocate+0x1c0/0x1c0 [ 57.345181] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.345188] ? __down+0x153/0x2b0 [ 57.345198] ? ksys_dup3+0x2e0/0x2e0 [ 57.372641] ? kasan_check_write+0x14/0x20 [ 57.376857] ? fput+0x18/0x120 [ 57.380130] ? security_file_ioctl+0x4a/0x90 [ 57.384519] ? __fget_light+0x174/0x1e0 [ 57.388493] ksys_ioctl+0x62/0x90 [ 57.391950] ? lockdep_hardirqs_on+0x421/0x5c0 [ 57.396519] __x64_sys_ioctl+0x6e/0xb0 [ 57.400397] do_syscall_64+0xd0/0x4e0 [ 57.404207] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.409814] RIP: 0033:0x45a909 [ 57.412987] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.431874] RSP: 002b:00007fb00ddacc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.439569] RAX: ffffffffffffffda RBX: 00007fb00ddacc90 RCX: 000000000045a909 [ 57.446823] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 57.454104] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 57.461362] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb00ddad6d4 [ 57.468712] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 57.475977] CPU: 0 PID: 7252 Comm: syz-executor.1 Not tainted 4.19.103-syzkaller #0 [ 57.483781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.493683] Call Trace: [ 57.496275] dump_stack+0x123/0x177 [ 57.499908] should_fail.cold.4+0x5/0x13 [ 57.503976] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.509246] ? lock_downgrade+0x860/0x860 [ 57.513488] __should_failslab+0xba/0xf0 [ 57.517540] should_failslab+0x9/0x14 [ 57.521415] kmem_cache_alloc_trace+0x2d4/0x740 [ 57.526185] ? __lockdep_init_map+0x105/0x590 [ 57.530667] ? cancel_delayed_work+0x260/0x260 [ 57.535230] ? cancel_delayed_work+0x260/0x260 [ 57.539924] __kthread_create_on_node+0xf5/0x3d0 [ 57.544681] ? __kthread_parkme+0x190/0x190 [ 57.549484] ? __lock_is_held+0xb5/0x140 [ 57.553539] ? __lock_is_held+0xb5/0x140 [ 57.557768] ? alloc_worker+0x43/0x1e0 [ 57.561654] kthread_create_on_node+0x8c/0xc0 [ 57.566183] ? __kthread_create_on_node+0x3d0/0x3d0 [ 57.571304] init_rescuer.part.25+0x74/0x160 [ 57.575713] ? cpus_read_unlock+0x64/0x80 [ 57.579864] __alloc_workqueue_key+0x8eb/0xbb0 [ 57.584750] ? workqueue_sysfs_register+0x370/0x370 [ 57.589773] nbd_start_device+0x14d/0xc10 [ 57.594163] nbd_ioctl+0x1b6/0xb20 [ 57.597710] ? kasan_check_read+0x11/0x20 [ 57.602123] ? nbd_add_socket+0x5f0/0x5f0 [ 57.606518] ? avc_has_extended_perms+0x4e2/0x1170 [ 57.611454] ? __lock_acquire+0x792/0x4980 [ 57.615693] blkdev_ioctl+0x7ae/0x16e0 [ 57.619601] ? blkpg_ioctl+0x8f0/0x8f0 [ 57.623507] ? mark_held_locks+0x130/0x130 [ 57.627753] ? kasan_check_write+0x14/0x20 [ 57.632073] ? proc_fail_nth_write+0x13a/0x180 [ 57.636749] ? proc_cwd_link+0x1b0/0x1b0 [ 57.640919] ? __lock_is_held+0xb5/0x140 [ 57.645006] block_ioctl+0xd7/0x130 [ 57.648638] do_vfs_ioctl+0x196/0x10c0 [ 57.652511] ? ioctl_preallocate+0x1c0/0x1c0 [ 57.656904] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.661653] ? __down+0x153/0x2b0 [ 57.665208] ? ksys_dup3+0x2e0/0x2e0 [ 57.668924] ? kasan_check_write+0x14/0x20 [ 57.673152] ? fput+0x18/0x120 [ 57.676343] ? security_file_ioctl+0x4a/0x90 [ 57.680749] ? __fget_light+0x174/0x1e0 [ 57.684724] ksys_ioctl+0x62/0x90 [ 57.688266] ? lockdep_hardirqs_on+0x421/0x5c0 [ 57.692931] __x64_sys_ioctl+0x6e/0xb0 [ 57.696809] do_syscall_64+0xd0/0x4e0 [ 57.700616] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.705956] RIP: 0033:0x45a909 [ 57.709150] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.728150] RSP: 002b:00007f269f7a6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.735974] RAX: ffffffffffffffda RBX: 00007f269f7a6c90 RCX: 000000000045a909 [ 57.743439] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 57.750784] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 57.758199] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f269f7a76d4 [ 57.765463] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 57.782763] CPU: 1 PID: 7265 Comm: syz-executor.3 Not tainted 4.19.103-syzkaller #0 [ 57.791096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.795370] block nbd1: Could not allocate knbd recv work queue. [ 57.800560] Call Trace: [ 57.800579] dump_stack+0x123/0x177 [ 57.800590] should_fail.cold.4+0x5/0x13 [ 57.800597] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.800604] ? lock_downgrade+0x860/0x860 [ 57.800618] __should_failslab+0xba/0xf0 [ 57.800626] should_failslab+0x9/0x14 [ 57.800631] kmem_cache_alloc+0x2bc/0x730 [ 57.800636] ? __lock_acquire+0x792/0x4980 [ 57.800640] ? __lock_acquire+0x792/0x4980 [ 57.800649] __kernfs_new_node+0xe7/0x6f0 [ 57.800657] ? kernfs_dop_revalidate+0x350/0x350 [ 57.800663] ? mark_held_locks+0x130/0x130 [ 57.800666] ? lock_acquire+0x173/0x3d0 [ 57.800673] ? __lock_acquire+0x792/0x4980 [ 57.800678] ? find_held_lock+0x36/0x1d0 [ 57.800685] ? find_held_lock+0x36/0x1d0 [ 57.800698] kernfs_new_node+0x62/0x110 [ 57.807063] block nbd1: shutting down sockets [ 57.809442] ? lock_downgrade+0x860/0x860 [ 57.809451] __kernfs_create_file+0x35/0x2d2 [ 57.809456] ? kasan_check_read+0x11/0x20 [ 57.809463] sysfs_add_file_mode_ns+0x1b0/0x4e0 [ 57.809478] sysfs_create_file_ns+0x12a/0x1c0 [ 57.809489] ? sysfs_add_file_mode_ns+0x4e0/0x4e0 [ 57.809495] ? _raw_spin_unlock_irq+0x27/0x80 [ 57.809502] ? blk_queue_write_cache+0x15f/0x33f [ 57.809507] ? lockdep_hardirqs_on+0x421/0x5c0 [ 57.809511] ? _raw_spin_unlock_irq+0x27/0x80 [ 57.809520] ? trace_hardirqs_on+0x28/0x190 [ 57.809531] device_create_file+0xad/0x190 [ 57.809540] nbd_start_device+0x327/0xc10 [ 57.809550] nbd_ioctl+0x1b6/0xb20 [ 57.809555] ? kasan_check_read+0x11/0x20 [ 57.809561] ? nbd_add_socket+0x5f0/0x5f0 [ 57.809568] ? avc_has_extended_perms+0x4e2/0x1170 [ 57.809575] ? __lock_acquire+0x792/0x4980 [ 57.809585] blkdev_ioctl+0x7ae/0x16e0 [ 57.809591] ? blkpg_ioctl+0x8f0/0x8f0 [ 57.809598] ? mark_held_locks+0x130/0x130 [ 57.809602] ? kasan_check_write+0x14/0x20 [ 57.865519] FAULT_INJECTION: forcing a failure. [ 57.865519] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 57.870716] ? proc_fail_nth_write+0x13a/0x180 [ 57.999531] ? proc_cwd_link+0x1b0/0x1b0 [ 58.003575] ? __lock_is_held+0xb5/0x140 [ 58.007625] block_ioctl+0xd7/0x130 [ 58.011261] do_vfs_ioctl+0x196/0x10c0 [ 58.015146] ? ioctl_preallocate+0x1c0/0x1c0 [ 58.019660] ? selinux_file_mprotect+0x5f0/0x5f0 [ 58.024430] ? __down+0x153/0x2b0 [ 58.027963] ? ksys_dup3+0x2e0/0x2e0 [ 58.031687] ? kasan_check_write+0x14/0x20 [ 58.035931] ? fput+0x18/0x120 [ 58.039115] ? security_file_ioctl+0x4a/0x90 [ 58.043632] ? __fget_light+0x174/0x1e0 [ 58.047608] ksys_ioctl+0x62/0x90 [ 58.051066] ? lockdep_hardirqs_on+0x421/0x5c0 [ 58.055658] __x64_sys_ioctl+0x6e/0xb0 [ 58.059719] do_syscall_64+0xd0/0x4e0 [ 58.063727] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.068946] RIP: 0033:0x45a909 [ 58.072125] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.091029] RSP: 002b:00007f9d5a11cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.098759] RAX: ffffffffffffffda RBX: 00007f9d5a11cc90 RCX: 000000000045a909 [ 58.106096] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 58.113432] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.120682] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9d5a11d6d4 [ 58.127935] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 58.135217] CPU: 0 PID: 7269 Comm: syz-executor.1 Not tainted 4.19.103-syzkaller #0 [ 58.143021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.151914] FAULT_INJECTION: forcing a failure. [ 58.151914] name failslab, interval 1, probability 0, space 0, times 0 [ 58.152376] Call Trace: [ 58.152390] dump_stack+0x123/0x177 [ 58.152401] should_fail.cold.4+0x5/0x13 [ 58.152412] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 58.152419] ? kernel_text_address+0x79/0xf0 [ 58.183365] ? __kernel_text_address+0xd/0x40 [ 58.187843] ? unwind_get_return_address+0x61/0xa0 [ 58.192776] __alloc_pages_nodemask+0x1d5/0x710 [ 58.197431] ? __alloc_pages_slowpath+0x25d0/0x25d0 [ 58.202455] cache_grow_begin+0x91/0x8d0 [ 58.206498] ? kmem_cache_alloc_trace+0xa0/0x740 [ 58.211242] kmem_cache_alloc_trace+0x67b/0x740 [ 58.215893] ? __lockdep_init_map+0x105/0x590 [ 58.220392] ? cancel_delayed_work+0x260/0x260 [ 58.224963] __kthread_create_on_node+0xf5/0x3d0 [ 58.229713] ? __kthread_parkme+0x190/0x190 [ 58.234015] ? __lock_is_held+0xb5/0x140 [ 58.238079] ? __lock_is_held+0xb5/0x140 [ 58.242125] ? alloc_worker+0x43/0x1e0 [ 58.245999] kthread_create_on_node+0x8c/0xc0 [ 58.250474] ? __kthread_create_on_node+0x3d0/0x3d0 [ 58.255480] init_rescuer.part.25+0x74/0x160 [ 58.259891] ? cpus_read_unlock+0x64/0x80 [ 58.264036] __alloc_workqueue_key+0x8eb/0xbb0 [ 58.268610] ? workqueue_sysfs_register+0x370/0x370 [ 58.273617] nbd_start_device+0x14d/0xc10 [ 58.277752] nbd_ioctl+0x1b6/0xb20 [ 58.281279] ? kasan_check_read+0x11/0x20 [ 58.285411] ? nbd_add_socket+0x5f0/0x5f0 [ 58.289552] ? avc_has_extended_perms+0x4e2/0x1170 [ 58.294467] ? __lock_acquire+0x792/0x4980 [ 58.298688] blkdev_ioctl+0x7ae/0x16e0 [ 58.302556] ? blkpg_ioctl+0x8f0/0x8f0 [ 58.306428] ? mark_held_locks+0x130/0x130 [ 58.310655] ? kasan_check_write+0x14/0x20 [ 58.314883] ? proc_fail_nth_write+0x13a/0x180 [ 58.319445] ? proc_cwd_link+0x1b0/0x1b0 [ 58.323490] ? __lock_is_held+0xb5/0x140 [ 58.327540] block_ioctl+0xd7/0x130 [ 58.331163] do_vfs_ioctl+0x196/0x10c0 [ 58.335033] ? ioctl_preallocate+0x1c0/0x1c0 [ 58.339427] ? selinux_file_mprotect+0x5f0/0x5f0 [ 58.344177] ? __down+0x153/0x2b0 [ 58.347704] ? ksys_dup3+0x2e0/0x2e0 [ 58.351414] ? kasan_check_write+0x14/0x20 [ 58.355628] ? fput+0x18/0x120 [ 58.358824] ? security_file_ioctl+0x4a/0x90 [ 58.363224] ? __fget_light+0x174/0x1e0 [ 58.367187] ksys_ioctl+0x62/0x90 [ 58.370638] ? lockdep_hardirqs_on+0x421/0x5c0 [ 58.375221] __x64_sys_ioctl+0x6e/0xb0 [ 58.379090] do_syscall_64+0xd0/0x4e0 [ 58.382877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.388050] RIP: 0033:0x45a909 [ 58.391232] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.410119] RSP: 002b:00007f269f7a6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.417810] RAX: ffffffffffffffda RBX: 00007f269f7a6c90 RCX: 000000000045a909 [ 58.425062] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 58.432339] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.439705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f269f7a76d4 [ 58.446975] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 58.454399] CPU: 1 PID: 7246 Comm: syz-executor.5 Not tainted 4.19.103-syzkaller #0 [ 58.462201] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.471798] Call Trace: [ 58.473643] block nbd3: device_create_file failed! [ 58.474379] dump_stack+0x123/0x177 [ 58.474392] should_fail.cold.4+0x5/0x13 [ 58.474400] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 58.474414] __should_failslab+0xba/0xf0 [ 58.484098] block nbd3: shutting down sockets [ 58.487014] should_failslab+0x9/0x14 [ 58.487022] kmem_cache_alloc_node_trace+0x26d/0x730 [ 58.487030] ? blk_mq_unregister_hctx.part.1+0xf2/0x140 [ 58.487043] __kmalloc_node+0x3c/0x70 [ 58.487051] blk_mq_realloc_hw_ctxs+0x19f/0xf50 [ 58.523711] ? blk_mq_map_queues+0x90/0x2f0 [ 58.528039] blk_mq_update_nr_hw_queues+0x6df/0xb50 [ 58.533188] ? blk_mq_init_queue+0x90/0x90 [ 58.537434] nbd_start_device+0x1b6/0xc10 [ 58.541716] nbd_ioctl+0x1b6/0xb20 [ 58.545325] ? kasan_check_read+0x11/0x20 [ 58.549481] ? nbd_add_socket+0x5f0/0x5f0 [ 58.553628] ? avc_has_extended_perms+0x4e2/0x1170 [ 58.559001] ? __lock_acquire+0x792/0x4980 [ 58.563265] blkdev_ioctl+0x7ae/0x16e0 [ 58.567146] ? blkpg_ioctl+0x8f0/0x8f0 [ 58.571033] ? mark_held_locks+0x130/0x130 [ 58.575266] ? kasan_check_write+0x14/0x20 [ 58.579506] ? proc_fail_nth_write+0x13a/0x180 [ 58.584234] ? proc_cwd_link+0x1b0/0x1b0 [ 58.588284] ? __lock_is_held+0xb5/0x140 [ 58.592357] block_ioctl+0xd7/0x130 [ 58.595988] do_vfs_ioctl+0x196/0x10c0 [ 58.600663] ? ioctl_preallocate+0x1c0/0x1c0 [ 58.605072] ? selinux_file_mprotect+0x5f0/0x5f0 [ 58.609829] ? __down+0x153/0x2b0 [ 58.613383] ? ksys_dup3+0x2e0/0x2e0 [ 58.617246] ? kasan_check_write+0x14/0x20 [ 58.621634] ? fput+0x18/0x120 [ 58.624824] ? security_file_ioctl+0x4a/0x90 [ 58.629231] ? __fget_light+0x174/0x1e0 [ 58.633214] ksys_ioctl+0x62/0x90 [ 58.636660] ? lockdep_hardirqs_on+0x421/0x5c0 [ 58.641229] __x64_sys_ioctl+0x6e/0xb0 [ 58.645129] do_syscall_64+0xd0/0x4e0 [ 58.648928] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.654102] RIP: 0033:0x45a909 [ 58.657278] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.676197] RSP: 002b:00007f87b4cb4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.684032] RAX: ffffffffffffffda RBX: 00007f87b4cb4c90 RCX: 000000000045a909 [ 58.691309] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 58.698578] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 58.705866] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87b4cb56d4 [ 58.713140] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 58.722576] CPU: 0 PID: 7259 Comm: syz-executor.2 Not tainted 4.19.103-syzkaller #0 [ 58.729686] BUG: unable to handle kernel NULL pointer dereference at 0000000000000118 [ 58.730408] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.738364] PGD 8d267067 P4D 8d267067 PUD 8df3a067 PMD 0 [ 58.747699] Call Trace: [ 58.753215] Oops: 0002 [#1] PREEMPT SMP KASAN [ 58.755783] dump_stack+0x123/0x177 [ 58.760266] CPU: 1 PID: 7246 Comm: syz-executor.5 Not tainted 4.19.103-syzkaller #0 [ 58.763874] should_fail.cold.4+0x5/0x13 [ 58.771653] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.775693] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 58.785025] RIP: 0010:blk_mq_map_swqueue+0x269/0xb00 [ 58.790118] ? lock_downgrade+0x860/0x860 [ 58.795193] Code: 0f 85 37 07 00 00 8b 00 49 8d 04 c0 48 89 c7 48 c1 ef 03 42 80 3c 3f 00 0f 85 f4 06 00 00 83 fa 3f 4c 8b 00 0f 87 4a 04 00 00 4d 0f ab 88 18 01 00 00 49 8d b8 74 01 00 00 48 89 f8 48 c1 e8 [ 58.799319] __should_failslab+0xba/0xf0 [ 58.818194] RSP: 0018:ffff88809f35f8a8 EFLAGS: 00010293 [ 58.822238] should_failslab+0x9/0x14 [ 58.827660] RAX: ffff8880a384ab48 RBX: 0000000000000007 RCX: 0000000000000000 [ 58.831442] kmem_cache_alloc+0x2bc/0x730 [ 58.838687] RDX: 0000000000000001 RSI: ffffe8ffffd37ac0 RDI: 1ffff11014709569 [ 58.842901] ? mark_held_locks+0x130/0x130 [ 58.850167] RBP: ffff88809f35f920 R08: 0000000000000000 R09: 0000000000000001 [ 58.854399] __d_alloc+0x28/0x9d0 [ 58.861644] R10: 0000000000000000 R11: ffff888091f3ff83 R12: ffff8880a3842000 [ 58.865076] d_alloc+0x42/0x220 [ 58.872322] R13: fffffbfff1244dde R14: ffff8880a384f0c0 R15: dffffc0000000000 [ 58.875578] d_alloc_parallel+0xf3/0x1750 [ 58.882825] FS: 00007f87b4cb5700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 58.886968] ? __d_lookup_rcu+0x8a0/0x8a0 [ 58.895166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.899294] ? mark_held_locks+0x130/0x130 [ 58.905147] CR2: 0000000000000118 CR3: 000000007dc07000 CR4: 00000000001406e0 [ 58.909359] ? avc_has_extended_perms+0x1170/0x1170 [ 58.916604] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 58.921692] ? __lockdep_init_map+0x105/0x590 [ 58.928938] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 58.928940] Call Trace: [ 58.933427] ? __lockdep_init_map+0x105/0x590 [ 58.940681] blk_mq_update_nr_hw_queues+0x68a/0xb50 [ 58.943265] __lookup_slow+0x18d/0x400 [ 58.947739] ? blk_mq_init_queue+0x90/0x90 [ 58.952736] ? vfs_unlink+0x450/0x450 [ 58.956609] nbd_start_device+0x1b6/0xc10 [ 58.960819] ? __d_lookup+0x2ed/0x580 [ 58.964598] nbd_ioctl+0x1b6/0xb20 [ 58.968750] ? lockdep_hardirqs_on+0x421/0x5c0 [ 58.972523] ? kasan_check_read+0x11/0x20 [ 58.976038] ? d_lookup+0x134/0x1b0 [ 58.980596] ? nbd_add_socket+0x5f0/0x5f0 [ 58.984727] ? d_lookup+0x10f/0x1b0 [ 58.988328] ? avc_has_extended_perms+0x4e2/0x1170 [ 58.992454] lookup_one_len+0x132/0x160 [ 58.996076] ? __lock_acquire+0x792/0x4980 [ 59.001000] ? lookup_one_len_unlocked+0xc0/0xc0 [ 59.004960] blkdev_ioctl+0x7ae/0x16e0 [ 59.009311] start_creating+0x91/0x190 [ 59.014052] ? blkpg_ioctl+0x8f0/0x8f0 [ 59.017942] debugfs_create_dir+0x14/0x370 [ 59.021812] ? mark_held_locks+0x130/0x130 [ 59.025678] nbd_start_device+0x39a/0xc10 [ 59.029888] ? kasan_check_write+0x14/0x20 [ 59.034098] nbd_ioctl+0x1b6/0xb20 [ 59.038220] ? proc_fail_nth_write+0x13a/0x180 [ 59.042433] ? kasan_check_read+0x11/0x20 [ 59.045949] ? proc_cwd_link+0x1b0/0x1b0 [ 59.050506] ? nbd_add_socket+0x5f0/0x5f0 [ 59.054630] ? __lock_is_held+0xb5/0x140 [ 59.058681] ? avc_has_extended_perms+0x4e2/0x1170 [ 59.062811] block_ioctl+0xd7/0x130 [ 59.066847] ? __lock_acquire+0x792/0x4980 [ 59.071806] do_vfs_ioctl+0x196/0x10c0 [ 59.075459] blkdev_ioctl+0x7ae/0x16e0 [ 59.079673] ? ioctl_preallocate+0x1c0/0x1c0 [ 59.083538] ? blkpg_ioctl+0x8f0/0x8f0 [ 59.087403] ? selinux_file_mprotect+0x5f0/0x5f0 [ 59.091788] ? mark_held_locks+0x130/0x130 [ 59.095673] ? __down+0x153/0x2b0 [ 59.100405] ? kasan_check_write+0x14/0x20 [ 59.104614] ? ksys_dup3+0x2e0/0x2e0 [ 59.108056] ? proc_fail_nth_write+0x13a/0x180 [ 59.112278] ? kasan_check_write+0x14/0x20 [ 59.115967] ? proc_cwd_link+0x1b0/0x1b0 [ 59.120529] ? fput+0x18/0x120 [ 59.124740] ? __lock_is_held+0xb5/0x140 [ 59.128782] ? security_file_ioctl+0x4a/0x90 [ 59.131969] block_ioctl+0xd7/0x130 [ 59.136010] ? __fget_light+0x174/0x1e0 [ 59.140399] do_vfs_ioctl+0x196/0x10c0 [ 59.144000] ksys_ioctl+0x62/0x90 [ 59.147952] ? ioctl_preallocate+0x1c0/0x1c0 [ 59.151816] ? lockdep_hardirqs_on+0x421/0x5c0 [ 59.155249] ? selinux_file_mprotect+0x5f0/0x5f0 [ 59.159634] __x64_sys_ioctl+0x6e/0xb0 [ 59.164190] ? __down+0x153/0x2b0 [ 59.168948] do_syscall_64+0xd0/0x4e0 [ 59.172810] ? ksys_dup3+0x2e0/0x2e0 [ 59.176250] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.180026] ? kasan_check_write+0x14/0x20 [ 59.183716] RIP: 0033:0x45a909 [ 59.188894] ? fput+0x18/0x120 [ 59.193104] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.196275] ? security_file_ioctl+0x4a/0x90 [ 59.199454] RSP: 002b:00007f87b4cb4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.218355] ? __fget_light+0x174/0x1e0 [ 59.222773] RAX: ffffffffffffffda RBX: 00007f87b4cb4c90 RCX: 000000000045a909 [ 59.222777] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 59.222779] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.222787] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f87b4cb56d4 [ 59.222790] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 59.222801] Modules linked in: [ 59.230508] ksys_ioctl+0x62/0x90 [ 59.234573] CR2: 0000000000000118 [ 59.241858] ? lockdep_hardirqs_on+0x421/0x5c0 [ 59.249669] ---[ end trace 9e3e6eb1a80d52bd ]--- [ 59.256378] __x64_sys_ioctl+0x6e/0xb0 [ 59.256385] do_syscall_64+0xd0/0x4e0 [ 59.256394] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.263701] RIP: 0010:blk_mq_map_swqueue+0x269/0xb00 [ 59.270900] RIP: 0033:0x45a909 [ 59.270906] Code: ad b6 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 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.270909] RSP: 002b:00007fe12694bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.270914] RAX: ffffffffffffffda RBX: 00007fe12694bc90 RCX: 000000000045a909 [ 59.270916] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 59.270919] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 59.270921] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe12694c6d4 [ 59.270925] R13: 00000000004c4670 R14: 00000000004d9da0 R15: 0000000000000007 [ 59.274208] Code: 0f 85 37 07 00 00 8b 00 49 8d 04 c0 48 89 c7 48 c1 ef 03 42 80 3c 3f 00 0f 85 f4 06 00 00 83 fa 3f 4c 8b 00 0f 87 4a 04 00 00 4d 0f ab 88 18 01 00 00 49 8d b8 74 01 00 00 48 89 f8 48 c1 e8 [ 59.308239] block nbd2: Failed to create debugfs dir for 'nbd2' [ 59.310146] block nbd0: shutting down sockets [ 59.315238] block nbd2: Receive control failed (result -107) [ 59.331913] block nbd4: shutting down sockets [ 59.343826] block nbd2: Receive control failed (result -107) [ 59.347381] RSP: 0018:ffff88809f35f8a8 EFLAGS: 00010293 [ 59.356462] block nbd2: shutting down sockets [ 59.363431] RAX: ffff8880a384ab48 RBX: 0000000000000007 RCX: 0000000000000000 [ 59.389896] block nbd1: shutting down sockets [ 59.397386] RDX: 0000000000000001 RSI: ffffe8ffffd37ac0 RDI: 1ffff11014709569 [ 59.455135] RBP: ffff88809f35f920 R08: 0000000000000000 R09: 0000000000000001 [ 59.462487] R10: 0000000000000000 R11: ffff888091f3ff83 R12: ffff8880a3842000 [ 59.469963] R13: fffffbfff1244dde R14: ffff8880a384f0c0 R15: dffffc0000000000 [ 59.477274] FS: 00007f87b4cb5700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 59.485596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.491585] CR2: 0000000000000118 CR3: 000000007dc07000 CR4: 00000000001406e0 [ 59.498935] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 59.506197] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 59.514363] Kernel panic - not syncing: Fatal exception [ 59.521255] Kernel Offset: disabled [ 59.524890] Rebooting in 86400 seconds..