Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 32.858324] audit: type=1400 audit(1596564555.266:8): avc: denied { execmem } for pid=6403 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.878688] IPVS: ftp: loaded support on port[0] = 21 [ 33.359093] can: request_module (can-proto-0) failed. [ 34.337976] can: request_module (can-proto-0) failed. [ 34.347047] can: request_module (can-proto-0) failed. [ 34.374871] audit: type=1400 audit(1596564556.786:9): avc: denied { create } for pid=6384 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.0.169' (ECDSA) to the list of known hosts. 2020/08/04 18:09:24 parsed 1 programs 2020/08/04 18:09:24 executed programs: 0 [ 42.311371] audit: type=1400 audit(1596564564.727:10): avc: denied { execmem } for pid=6526 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.394470] IPVS: ftp: loaded support on port[0] = 21 [ 42.421692] IPVS: ftp: loaded support on port[0] = 21 [ 42.501391] IPVS: ftp: loaded support on port[0] = 21 [ 42.540835] IPVS: ftp: loaded support on port[0] = 21 [ 42.547728] IPVS: ftp: loaded support on port[0] = 21 [ 42.567798] IPVS: ftp: loaded support on port[0] = 21 [ 42.682980] chnl_net:caif_netlink_parms(): no params data found [ 42.724104] chnl_net:caif_netlink_parms(): no params data found [ 42.807451] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.817151] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.824623] device bridge_slave_0 entered promiscuous mode [ 42.834921] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.841757] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.848600] device bridge_slave_1 entered promiscuous mode [ 42.911869] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.938533] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.945370] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.953468] device bridge_slave_0 entered promiscuous mode [ 42.960687] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.967065] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.977544] device bridge_slave_1 entered promiscuous mode [ 42.993345] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.068870] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.078652] team0: Port device team_slave_0 added [ 43.085673] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.095085] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.104480] chnl_net:caif_netlink_parms(): no params data found [ 43.113400] chnl_net:caif_netlink_parms(): no params data found [ 43.131235] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.138566] team0: Port device team_slave_1 added [ 43.144650] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.164420] chnl_net:caif_netlink_parms(): no params data found [ 43.179812] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.223297] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.240824] team0: Port device team_slave_0 added [ 43.282844] chnl_net:caif_netlink_parms(): no params data found [ 43.299083] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.306703] team0: Port device team_slave_1 added [ 43.317959] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.371681] device hsr_slave_0 entered promiscuous mode [ 43.409832] device hsr_slave_1 entered promiscuous mode [ 43.478892] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.486231] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.493454] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.500638] device bridge_slave_0 entered promiscuous mode [ 43.511898] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.527641] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.535986] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.543702] device bridge_slave_0 entered promiscuous mode [ 43.555510] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.562591] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.569559] device bridge_slave_1 entered promiscuous mode [ 43.575848] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.592662] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.599040] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.607565] device bridge_slave_0 entered promiscuous mode [ 43.620883] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.627274] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.634576] device bridge_slave_1 entered promiscuous mode [ 43.655792] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.665268] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.671941] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.678863] device bridge_slave_1 entered promiscuous mode [ 43.743476] device hsr_slave_0 entered promiscuous mode [ 43.790580] device hsr_slave_1 entered promiscuous mode [ 43.854463] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.868289] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.888713] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.902656] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.912368] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.918755] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.926932] device bridge_slave_0 entered promiscuous mode [ 43.934973] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.948911] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.958954] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.966985] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.973637] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.981131] device bridge_slave_1 entered promiscuous mode [ 43.992786] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.000295] team0: Port device team_slave_0 added [ 44.020458] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.038659] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.046804] team0: Port device team_slave_1 added [ 44.053564] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.066792] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.075959] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.086793] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.094454] team0: Port device team_slave_0 added [ 44.100244] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.107654] team0: Port device team_slave_1 added [ 44.112933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.120317] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.127608] team0: Port device team_slave_0 added [ 44.138246] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.146152] team0: Port device team_slave_1 added [ 44.160515] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.173793] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.182440] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.191093] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.198257] team0: Port device team_slave_0 added [ 44.205513] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.213965] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.243069] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.252307] team0: Port device team_slave_1 added [ 44.257851] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.265928] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.291815] device hsr_slave_0 entered promiscuous mode [ 44.329709] device hsr_slave_1 entered promiscuous mode [ 44.411186] device hsr_slave_0 entered promiscuous mode [ 44.449873] device hsr_slave_1 entered promiscuous mode [ 44.490314] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.498218] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.552189] device hsr_slave_0 entered promiscuous mode [ 44.599572] device hsr_slave_1 entered promiscuous mode [ 44.681724] device hsr_slave_0 entered promiscuous mode [ 44.719583] device hsr_slave_1 entered promiscuous mode [ 44.759777] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.766689] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.783077] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.791391] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.798359] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.813294] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.832343] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.850508] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.867123] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.905361] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.957368] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.978347] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.002064] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.015409] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.023062] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.033232] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.042782] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.054196] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.061797] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.070532] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.078917] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.089674] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.097474] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.103860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.112877] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.119976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.126816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.134220] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.141587] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.150187] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.156836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.164616] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.175657] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.182504] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.190761] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.198685] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.206461] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.215027] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.221588] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.230056] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.237103] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.246753] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.255031] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.264721] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.271121] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.277182] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.285912] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.294051] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.300607] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.307610] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.315734] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.322739] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.330978] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.338547] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.344993] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.352612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.360136] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.369047] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.377639] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.386686] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.396940] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.406028] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.414012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.422416] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.433235] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.439658] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.446354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.454871] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.462827] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.469250] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.476053] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.484528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.492231] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.498566] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.507068] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.516795] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.528023] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.537206] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.544876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.552424] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.559860] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.567692] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.575666] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.582086] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.589487] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.597260] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.604993] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.611421] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.618187] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.626518] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.634749] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.641202] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.648151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.655267] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.662827] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.671922] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.681251] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.689078] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.698612] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.708494] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.717544] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.725746] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.733725] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.742070] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.748420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.755697] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.763621] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.771392] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.777774] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.786231] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.795797] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.805169] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.814223] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.821919] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.830825] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.838709] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.855688] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.865146] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.874539] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.883621] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.892427] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.902951] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.910634] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.918338] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.927198] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.934888] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.942849] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.950607] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.958381] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.966216] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.972650] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.979884] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.988626] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.997482] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.006670] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.017086] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.028039] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.035253] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.043420] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.050640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.057686] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.065835] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.073982] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.082392] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.090075] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.097843] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.105554] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.112040] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.118789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.126744] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.134541] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.143093] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.152218] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.162319] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.174977] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.183179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.192192] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.199976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.207727] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.216119] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.223916] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.234141] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.244604] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.253735] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.262542] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.270961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.278962] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.287457] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.295976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.304177] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.313252] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.321120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.328889] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.338965] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.348781] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.358318] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.368376] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.382066] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.389800] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.396943] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.405548] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.413151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.421153] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.428729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.436630] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.444507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.454765] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.464049] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.473702] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.483873] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.492293] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.501239] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.509724] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.521398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.530282] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.538316] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.546707] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.557076] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.566008] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.575762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.585277] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.592306] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.603682] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.613179] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.620214] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.630588] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.639425] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.647300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.656492] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.665506] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.674268] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.684084] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.698549] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.706368] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.722735] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.736696] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.748931] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.756897] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.766527] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.774901] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.783748] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.792120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.800864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.811819] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.818519] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.831712] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.843007] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.851231] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.861448] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.868886] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.877193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.885066] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.892211] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.901167] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.907264] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.919217] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.925631] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.935937] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 46.951008] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.958565] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 46.965476] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 46.974957] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 46.986864] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 46.995660] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.004559] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.013727] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.030923] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.037847] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.049607] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 47.056442] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 47.066551] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 47.087006] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.092282] FAULT_INJECTION: forcing a failure. [ 47.092282] name failslab, interval 1, probability 0, space 0, times 1 [ 47.104815] CPU: 0 PID: 7426 Comm: syz-executor.0 Not tainted 4.19.136-syzkaller #0 [ 47.112915] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.122850] Call Trace: [ 47.125512] dump_stack+0x123/0x177 [ 47.129212] should_fail.cold.4+0x5/0x13 [ 47.133659] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.140335] __should_failslab+0xba/0xf0 [ 47.144695] should_failslab+0x9/0x14 [ 47.148553] kmem_cache_alloc+0x47/0x730 [ 47.152974] radix_tree_node_alloc.constprop.19+0x182/0x330 [ 47.158936] __radix_tree_create+0x29a/0x4b0 [ 47.163454] page_cache_tree_insert+0xbc/0x390 [ 47.168047] ? get_mem_cgroup_from_page+0x180/0x180 [ 47.173390] ? file_check_and_advance_wb_err+0x2b0/0x2b0 [ 47.179598] ? lock_acquire+0x173/0x3d0 [ 47.183723] ? kasan_check_write+0x14/0x20 [ 47.187965] ? do_raw_spin_lock+0xd0/0x240 [ 47.192351] __add_to_page_cache_locked+0x355/0xa20 [ 47.197419] ? filemap_map_pages+0xdf0/0xdf0 [ 47.202452] ? blkdev_get+0x526/0x8c0 [ 47.206582] add_to_page_cache_lru+0x121/0x590 [ 47.211688] ? alloc_pages_current+0xd6/0x1b0 [ 47.216178] ? add_to_page_cache_locked+0x10/0x10 [ 47.221020] ? __page_cache_alloc+0x1f0/0x390 [ 47.225617] do_read_cache_page+0x64d/0xfa0 [ 47.230379] ? blkdev_writepages+0x10/0x10 [ 47.234979] ? grab_cache_page_write_begin+0x90/0x90 [ 47.241051] ? __blkdev_get+0x1210/0x1210 [ 47.245685] ? mntput+0x52/0x70 [ 47.249196] ? path_put+0x4b/0x60 [ 47.252646] ? lookup_bdev.part.35+0xc7/0x150 [ 47.257316] ? bd_acquire+0x290/0x290 [ 47.261386] read_cache_page_gfp+0x61/0xa0 [ 47.266856] ? blkdev_get_by_path+0x83/0xb0 [ 47.271594] btrfs_scan_one_device+0x1ac/0xec0 [ 47.276688] ? mark_held_locks+0xc7/0x130 [ 47.281075] ? kfree+0x107/0x220 [ 47.284437] ? btrfs_mount_root+0x424/0x16f0 [ 47.289139] ? device_list_add+0xc40/0xc40 [ 47.293505] ? trace_hardirqs_on+0x20/0x190 [ 47.297832] ? btrfs_mount_root+0x424/0x16f0 [ 47.302250] btrfs_mount_root+0x436/0x16f0 [ 47.306877] ? btrfs_decode_error+0x50/0x50 [ 47.311289] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.316861] ? pcpu_alloc+0xb9c/0xdf0 [ 47.320712] ? pcpu_balance_workfn+0x1010/0x1010 [ 47.325556] ? __lockdep_init_map+0x105/0x590 [ 47.330142] ? __lockdep_init_map+0x105/0x590 [ 47.334726] mount_fs+0x7f/0x2a2 [ 47.338441] vfs_kern_mount.part.34+0x58/0x3d0 [ 47.343106] vfs_kern_mount+0xe/0x20 [ 47.346905] btrfs_mount+0x21a/0x12f5 [ 47.350815] ? lock_downgrade+0x860/0x860 [ 47.355163] ? find_held_lock+0x36/0x1d0 [ 47.359347] ? kasan_check_write+0x14/0x20 [ 47.363744] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 47.368819] ? btrfs_remount+0x1000/0x1000 [ 47.373074] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.378262] ? pcpu_alloc+0xb9c/0xdf0 [ 47.382070] ? pcpu_balance_workfn+0x1010/0x1010 [ 47.387097] ? __lockdep_init_map+0x105/0x590 [ 47.392054] mount_fs+0x7f/0x2a2 [ 47.395876] ? __init_waitqueue_head+0x36/0x90 [ 47.400974] ? mount_fs+0x7f/0x2a2 [ 47.404697] vfs_kern_mount.part.34+0x58/0x3d0 [ 47.409492] do_mount+0x36e/0x2410 [ 47.413031] ? copy_mount_string+0x20/0x20 [ 47.417323] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.422493] ? kmem_cache_alloc_trace+0x350/0x740 [ 47.427658] ? kasan_check_write+0x14/0x20 [ 47.432134] ? copy_mount_options+0x55/0x270 [ 47.436543] ksys_mount+0xba/0xe0 [ 47.440197] __x64_sys_mount+0xb9/0x150 [ 47.444435] do_syscall_64+0xd0/0x4e0 [ 47.449669] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.455421] RIP: 0033:0x45d31a [ 47.458880] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 47.478415] RSP: 002b:00007fcc196e5a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.486532] RAX: ffffffffffffffda RBX: 00007fcc196e5c90 RCX: 000000000045d31a [ 47.493804] RDX: 00007fcc196e5ae0 RSI: 00000000200001c0 RDI: 00007fcc196e5b00 [ 47.501423] RBP: 000000000075bf20 R08: 00007fcc196e5b40 R09: 00007fcc196e5ae0 [ 47.509074] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc196e66d4 [ 47.516787] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 47.528645] BTRFS: device fsid fff6f2a2-2997-48ae-b81e-1b00b10efd9a devid 0 transid 0 /dev/loop0 2020/08/04 18:09:29 executed programs: 6 [ 47.546585] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 47.572743] FAULT_INJECTION: forcing a failure. [ 47.572743] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 47.584577] CPU: 0 PID: 7431 Comm: syz-executor.5 Not tainted 4.19.136-syzkaller #0 [ 47.592532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.597938] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.606196] Call Trace: [ 47.606219] dump_stack+0x123/0x177 [ 47.606231] should_fail.cold.4+0x5/0x13 [ 47.606238] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.606246] ? lo_release+0x18/0x190 [ 47.606255] __alloc_pages_nodemask+0x1d5/0x710 [ 47.606262] ? __alloc_pages_slowpath+0x25d0/0x25d0 [ 47.606276] cache_grow_begin+0x91/0x8d0 [ 47.606280] ? kmem_cache_alloc+0x9c/0x730 [ 47.606291] kmem_cache_alloc+0x663/0x730 [ 47.655876] ? _atomic_dec_and_lock_irqsave+0x1d0/0x1d0 [ 47.661292] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 47.666165] getname_kernel+0x4e/0x330 [ 47.670269] kern_path+0x11/0x40 [ 47.673653] lookup_bdev.part.35+0x65/0x150 [ 47.678190] ? bd_acquire+0x290/0x290 [ 47.681996] ? btrfs_open_devices+0x5d/0x120 [ 47.686544] ? memset+0x31/0x40 [ 47.689921] blkdev_get_by_path+0x58/0xb0 [ 47.694088] btrfs_get_bdev_and_sb+0x1f/0x290 [ 47.699017] open_fs_devices+0x374/0xc50 [ 47.703298] ? find_fsid+0x80/0x80 [ 47.707008] ? __lock_is_held+0xb5/0x140 [ 47.711238] ? btrfs_mount_root+0x424/0x16f0 [ 47.715659] btrfs_open_devices+0x101/0x120 [ 47.720220] btrfs_mount_root+0x4a6/0x16f0 [ 47.724762] ? btrfs_decode_error+0x50/0x50 [ 47.729397] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.734506] ? pcpu_alloc+0xb9c/0xdf0 [ 47.738319] ? pcpu_balance_workfn+0x1010/0x1010 [ 47.743806] ? __lockdep_init_map+0x105/0x590 [ 47.748571] ? __lockdep_init_map+0x105/0x590 [ 47.753313] mount_fs+0x7f/0x2a2 [ 47.756763] vfs_kern_mount.part.34+0x58/0x3d0 [ 47.761499] vfs_kern_mount+0xe/0x20 [ 47.765285] btrfs_mount+0x21a/0x12f5 [ 47.769309] ? lock_downgrade+0x860/0x860 [ 47.773602] ? find_held_lock+0x36/0x1d0 [ 47.777672] ? kasan_check_write+0x14/0x20 [ 47.782197] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 47.787058] ? btrfs_remount+0x1000/0x1000 [ 47.791311] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.796370] ? pcpu_alloc+0xb9c/0xdf0 [ 47.800362] ? pcpu_balance_workfn+0x1010/0x1010 [ 47.805405] ? __lockdep_init_map+0x105/0x590 [ 47.810580] mount_fs+0x7f/0x2a2 [ 47.814313] ? __init_waitqueue_head+0x36/0x90 [ 47.819859] ? mount_fs+0x7f/0x2a2 [ 47.824268] vfs_kern_mount.part.34+0x58/0x3d0 [ 47.828862] do_mount+0x36e/0x2410 [ 47.832779] ? copy_mount_string+0x20/0x20 [ 47.837020] ? rcu_read_lock_sched_held+0x108/0x120 [ 47.843772] ? kmem_cache_alloc_trace+0x350/0x740 [ 47.848718] ? kasan_check_write+0x14/0x20 [ 47.853030] ? _copy_from_user+0x9c/0xd0 [ 47.857189] ? copy_mount_options+0x55/0x270 [ 47.861623] ksys_mount+0xba/0xe0 [ 47.865515] __x64_sys_mount+0xb9/0x150 [ 47.869630] do_syscall_64+0xd0/0x4e0 [ 47.873712] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.879169] RIP: 0033:0x45d31a [ 47.882600] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 47.902111] RSP: 002b:00007f462f5aca68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 47.909830] RAX: ffffffffffffffda RBX: 00007f462f5acc90 RCX: 000000000045d31a [ 47.917251] RDX: 00007f462f5acae0 RSI: 00000000200001c0 RDI: 00007f462f5acb00 [ 47.924531] RBP: 000000000075bf20 R08: 00007f462f5acb40 R09: 00007f462f5acae0 [ 47.932182] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f462f5ad6d4 [ 47.939634] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 47.976781] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.992071] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.021490] FAULT_INJECTION: forcing a failure. [ 48.021490] name failslab, interval 1, probability 0, space 0, times 0 [ 48.022078] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.046382] CPU: 0 PID: 7440 Comm: syz-executor.3 Not tainted 4.19.136-syzkaller #0 [ 48.054508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.056952] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.064515] Call Trace: [ 48.064533] dump_stack+0x123/0x177 [ 48.064545] should_fail.cold.4+0x5/0x13 [ 48.064553] ? btrfs_read_dev_super+0x9/0x10 [ 48.064560] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 48.064568] ? find_held_lock+0x36/0x1d0 [ 48.064577] __should_failslab+0xba/0xf0 [ 48.064584] should_failslab+0x9/0x14 [ 48.064590] kmem_cache_alloc_node+0x56/0x730 [ 48.064603] create_task_io_context+0x26/0x3e0 [ 48.064611] generic_make_request_checks+0x1537/0x1d80 [ 48.064616] ? __lock_acquire+0x792/0x4980 [ 48.064621] ? blk_exit_rl+0x60/0x60 [ 48.064629] ? trace_event_raw_event_block_rq_requeue+0x5e0/0x5e0 [ 48.064637] ? mark_held_locks+0x130/0x130 [ 48.072031] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 48.073981] generic_make_request+0x1b3/0xfe0 [ 48.073990] ? mempool_alloc+0x118/0x320 [ 48.073998] ? blk_get_request+0x560/0x560 [ 48.074007] ? find_held_lock+0x36/0x1d0 [ 48.074018] submit_bio+0x9f/0x3f0 [ 48.077863] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 48.081716] ? submit_bio+0x9f/0x3f0 [ 48.081724] ? lock_downgrade+0x860/0x860 [ 48.081730] ? generic_make_request+0xfe0/0xfe0 [ 48.081738] ? kasan_check_read+0x11/0x20 [ 48.081748] ? guard_bio_eod+0x19a/0x500 [ 48.081755] submit_bh_wbc+0x4d1/0x700 [ 48.081764] __bread_gfp+0xc9/0x220 [ 48.081773] btrfs_read_dev_one_super+0x90/0x260 [ 48.081780] btrfs_read_dev_super.part.47+0x5d/0xa0 [ 48.081786] ? btrfs_read_dev_one_super+0x260/0x260 [ 48.081792] ? lru_add_drain_all+0x340/0x480 [ 48.081801] btrfs_read_dev_super+0x9/0x10 [ 48.091369] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.091598] btrfs_get_bdev_and_sb+0xad/0x290 [ 48.246915] open_fs_devices+0x374/0xc50 [ 48.251229] ? find_fsid+0x80/0x80 [ 48.254889] ? __lock_is_held+0xb5/0x140 [ 48.259157] ? btrfs_mount_root+0x424/0x16f0 [ 48.263984] btrfs_open_devices+0x101/0x120 [ 48.268795] btrfs_mount_root+0x4a6/0x16f0 [ 48.273336] ? btrfs_decode_error+0x50/0x50 [ 48.278306] ? rcu_read_lock_sched_held+0x108/0x120 [ 48.283671] ? pcpu_alloc+0xb9c/0xdf0 [ 48.287489] ? pcpu_balance_workfn+0x1010/0x1010 [ 48.292389] ? __lockdep_init_map+0x105/0x590 [ 48.296889] ? __lockdep_init_map+0x105/0x590 [ 48.301563] mount_fs+0x7f/0x2a2 [ 48.305028] vfs_kern_mount.part.34+0x58/0x3d0 [ 48.310499] vfs_kern_mount+0xe/0x20 [ 48.315358] btrfs_mount+0x21a/0x12f5 [ 48.319351] ? lock_downgrade+0x860/0x860 [ 48.323506] ? find_held_lock+0x36/0x1d0 [ 48.327756] ? kasan_check_write+0x14/0x20 [ 48.332071] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 48.336917] ? btrfs_remount+0x1000/0x1000 [ 48.341160] ? rcu_read_lock_sched_held+0x108/0x120 [ 48.346267] ? pcpu_alloc+0xb9c/0xdf0 [ 48.350645] ? pcpu_balance_workfn+0x1010/0x1010 [ 48.355873] ? __lockdep_init_map+0x105/0x590 [ 48.360522] mount_fs+0x7f/0x2a2 [ 48.363955] ? __init_waitqueue_head+0x36/0x90 [ 48.369178] ? mount_fs+0x7f/0x2a2 [ 48.372878] vfs_kern_mount.part.34+0x58/0x3d0 [ 48.377640] do_mount+0x36e/0x2410 [ 48.381242] ? copy_mount_string+0x20/0x20 [ 48.385740] ? rcu_read_lock_sched_held+0x108/0x120 [ 48.391005] ? kmem_cache_alloc_trace+0x350/0x740 [ 48.396018] ? copy_mount_options+0x55/0x270 [ 48.401032] ksys_mount+0xba/0xe0 [ 48.404663] __x64_sys_mount+0xb9/0x150 [ 48.409368] do_syscall_64+0xd0/0x4e0 [ 48.413618] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.419434] RIP: 0033:0x45d31a [ 48.422861] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 48.445701] RSP: 002b:00007f730a29da68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 48.453770] RAX: ffffffffffffffda RBX: 00007f730a29dc90 RCX: 000000000045d31a [ 48.461623] RDX: 00007f730a29dae0 RSI: 00000000200001c0 RDI: 00007f730a29db00 [ 48.469767] RBP: 000000000075bf20 R08: 00007f730a29db40 R09: 00007f730a29dae0 [ 48.477664] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f730a29e6d4 [ 48.485195] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 48.541077] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.580578] BTRFS warning (device ): duplicate device fsid:devid for fff6f2a2-2997-48ae-b81e-1b00b10efd9a:0 old:/dev/loop3 new:/dev/loop5 [ 48.632102] FAULT_INJECTION: forcing a failure. [ 48.632102] name failslab, interval 1, probability 0, space 0, times 0 [ 48.644305] CPU: 0 PID: 7446 Comm: syz-executor.5 Not tainted 4.19.136-syzkaller #0 [ 48.652872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.662853] Call Trace: [ 48.665999] dump_stack+0x123/0x177 [ 48.669634] should_fail.cold.4+0x5/0x13 [ 48.674147] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 48.679502] ? lock_downgrade+0x860/0x860 [ 48.684188] __should_failslab+0xba/0xf0 [ 48.688399] should_failslab+0x9/0x14 [ 48.692211] kmem_cache_alloc+0x2bc/0x730 [ 48.696489] ? lock_downgrade+0x860/0x860 [ 48.702117] skb_clone+0x115/0x340 [ 48.705955] netlink_broadcast_filtered+0x673/0x920 [ 48.711168] netlink_broadcast+0xe/0x10 [ 48.715288] kobject_uevent_env+0x664/0xf20 [ 48.720405] kobject_uevent+0xb/0x10 [ 48.724315] __loop_clr_fd+0x4b0/0xc80 [ 48.728493] lo_ioctl+0x2ba/0x1e80 [ 48.732210] ? __lock_acquire+0x792/0x4980 [ 48.736452] blkdev_ioctl+0x7fc/0x17a0 [ 48.740438] ? blkpg_ioctl+0x8f0/0x8f0 [ 48.744808] ? mark_held_locks+0x130/0x130 [ 48.749056] ? save_stack+0xa9/0xd0 [ 48.752763] ? save_stack+0x43/0xd0 [ 48.756951] ? __kasan_slab_free+0x102/0x150 [ 48.761447] ? kasan_slab_free+0xe/0x10 [ 48.765677] ? kfree+0xcf/0x220 [ 48.769100] block_ioctl+0xd7/0x130 [ 48.772986] do_vfs_ioctl+0x196/0x10c0 [ 48.777108] ? ioctl_preallocate+0x1c0/0x1c0 [ 48.781951] ? selinux_file_mprotect+0x5f0/0x5f0 [ 48.787705] ? trace_fn_trace+0x151/0x160 [ 48.792309] ? ksys_dup3+0x2e0/0x2e0 [ 48.796350] ? ksys_mount+0x62/0xe0 [ 48.800215] ? lockdep_hardirqs_on+0x421/0x5c0 [ 48.805452] ? kfree+0x107/0x220 [ 48.808927] ? security_file_ioctl+0x4a/0x90 [ 48.813936] ? __fget_light+0x174/0x1e0 [ 48.817922] ksys_ioctl+0x62/0x90 [ 48.821675] ? lockdep_hardirqs_on+0x421/0x5c0 [ 48.833404] __x64_sys_ioctl+0x6e/0xb0 [ 48.837477] do_syscall_64+0xd0/0x4e0 [ 48.841413] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.846701] RIP: 0033:0x45a737 [ 48.849989] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 48.870520] RSP: 002b:00007f462f5aca68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.878251] RAX: ffffffffffffffda RBX: 00007f462f5acc90 RCX: 000000000045a737 [ 48.885763] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 48.893288] RBP: 000000000075bf20 R08: 00007f462f5acb40 R09: 00007f462f5acae0 [ 48.900926] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f462f5ad6d4 [ 48.908520] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 48.950928] FAULT_INJECTION: forcing a failure. [ 48.950928] name failslab, interval 1, probability 0, space 0, times 0 [ 48.967521] CPU: 1 PID: 7452 Comm: syz-executor.1 Not tainted 4.19.136-syzkaller #0 [ 48.975661] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.985785] Call Trace: [ 48.988400] dump_stack+0x123/0x177 [ 48.992220] should_fail.cold.4+0x5/0x13 [ 48.996539] ? do_read_cache_page+0x668/0xfa0 [ 49.001139] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 49.006353] ? find_held_lock+0x36/0x1d0 [ 49.010614] __should_failslab+0xba/0xf0 [ 49.014694] should_failslab+0x9/0x14 [ 49.018608] kmem_cache_alloc_node+0x56/0x730 [ 49.023138] create_task_io_context+0x26/0x3e0 [ 49.027897] generic_make_request_checks+0x1537/0x1d80 [ 49.033282] ? blk_exit_rl+0x60/0x60 [ 49.037015] ? trace_event_raw_event_block_rq_requeue+0x5e0/0x5e0 [ 49.043655] ? rcu_read_lock_sched_held+0x108/0x120 [ 49.048852] generic_make_request+0x1b3/0xfe0 [ 49.053704] ? mempool_alloc+0x118/0x320 [ 49.058298] ? blk_get_request+0x560/0x560 [ 49.063263] ? find_held_lock+0x36/0x1d0 [ 49.067460] submit_bio+0x9f/0x3f0 [ 49.072420] ? submit_bio+0x9f/0x3f0 [ 49.076771] ? lock_downgrade+0x860/0x860 [ 49.089631] ? generic_make_request+0xfe0/0xfe0 [ 49.094626] ? kasan_check_read+0x11/0x20 [ 49.098801] ? guard_bio_eod+0x19a/0x500 [ 49.102883] submit_bh_wbc+0x4d1/0x700 [ 49.106880] block_read_full_page+0x83c/0xe30 [ 49.112357] ? check_disk_change+0x110/0x110 [ 49.117145] ? __bread_gfp+0x220/0x220 [ 49.121215] ? add_to_page_cache_lru+0x1c1/0x590 [ 49.126329] ? alloc_pages_current+0xd6/0x1b0 [ 49.131383] ? add_to_page_cache_locked+0x10/0x10 [ 49.136824] ? __page_cache_alloc+0x1f0/0x390 [ 49.141503] blkdev_readpage+0x13/0x20 [ 49.145484] do_read_cache_page+0x668/0xfa0 [ 49.150769] ? blkdev_writepages+0x10/0x10 [ 49.155182] ? grab_cache_page_write_begin+0x90/0x90 [ 49.160443] ? __blkdev_get+0x1210/0x1210 [ 49.165251] ? mntput+0x52/0x70 [ 49.168621] ? path_put+0x4b/0x60 [ 49.172382] ? lookup_bdev.part.35+0xc7/0x150 [ 49.177208] ? bd_acquire+0x290/0x290 [ 49.181388] read_cache_page_gfp+0x61/0xa0 [ 49.185822] ? blkdev_get_by_path+0x83/0xb0 [ 49.190327] btrfs_scan_one_device+0x1ac/0xec0 [ 49.195154] ? mark_held_locks+0xc7/0x130 [ 49.199588] ? kfree+0x107/0x220 [ 49.203102] ? btrfs_mount_root+0x424/0x16f0 [ 49.207850] ? device_list_add+0xc40/0xc40 [ 49.212294] ? trace_hardirqs_on+0x20/0x190 [ 49.216626] ? btrfs_mount_root+0x424/0x16f0 [ 49.221248] btrfs_mount_root+0x436/0x16f0 [ 49.225711] ? btrfs_decode_error+0x50/0x50 [ 49.230383] ? rcu_read_lock_sched_held+0x108/0x120 [ 49.235635] ? pcpu_alloc+0xb9c/0xdf0 [ 49.239526] ? pcpu_balance_workfn+0x1010/0x1010 [ 49.244657] ? __lockdep_init_map+0x105/0x590 [ 49.249754] ? __lockdep_init_map+0x105/0x590 [ 49.254788] mount_fs+0x7f/0x2a2 [ 49.258405] vfs_kern_mount.part.34+0x58/0x3d0 [ 49.263070] vfs_kern_mount+0xe/0x20 [ 49.266863] btrfs_mount+0x21a/0x12f5 [ 49.270666] ? lock_downgrade+0x860/0x860 [ 49.274970] ? find_held_lock+0x36/0x1d0 [ 49.279373] ? kasan_check_write+0x14/0x20 [ 49.284008] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 49.289222] ? btrfs_remount+0x1000/0x1000 [ 49.293991] ? rcu_read_lock_sched_held+0x108/0x120 [ 49.299227] ? pcpu_alloc+0xb9c/0xdf0 [ 49.303259] ? pcpu_balance_workfn+0x1010/0x1010 [ 49.308517] ? __lockdep_init_map+0x105/0x590 [ 49.313524] mount_fs+0x7f/0x2a2 [ 49.316904] ? __init_waitqueue_head+0x36/0x90 [ 49.322083] ? mount_fs+0x7f/0x2a2 [ 49.325970] vfs_kern_mount.part.34+0x58/0x3d0 [ 49.330625] do_mount+0x36e/0x2410 [ 49.334164] ? copy_mount_string+0x20/0x20 [ 49.338640] ? rcu_read_lock_sched_held+0x108/0x120 [ 49.343906] ? kmem_cache_alloc_trace+0x350/0x740 [ 49.349007] ? kasan_check_write+0x14/0x20 [ 49.353640] ? copy_mount_options+0x55/0x270 [ 49.358155] ksys_mount+0xba/0xe0 [ 49.361931] __x64_sys_mount+0xb9/0x150 [ 49.366504] do_syscall_64+0xd0/0x4e0 [ 49.370319] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.375671] RIP: 0033:0x45d31a [ 49.378903] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 49.399584] RSP: 002b:00007f4bfc80aa68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 49.409292] RAX: ffffffffffffffda RBX: 00007f4bfc80ac90 RCX: 000000000045d31a [ 49.416976] RDX: 00007f4bfc80aae0 RSI: 00000000200001c0 RDI: 00007f4bfc80ab00 [ 49.424868] RBP: 000000000075bf20 R08: 00007f4bfc80ab40 R09: 00007f4bfc80aae0 [ 49.432262] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4bfc80b6d4 [ 49.440321] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 49.458348] BTRFS warning (device ): duplicate device fsid:devid for fff6f2a2-2997-48ae-b81e-1b00b10efd9a:0 old:/dev/loop3 new:/dev/loop1 [ 49.673922] BTRFS warning (device ): duplicate device fsid:devid for fff6f2a2-2997-48ae-b81e-1b00b10efd9a:0 old:/dev/loop3 new:/dev/loop4 [ 49.753345] FAULT_INJECTION: forcing a failure. [ 49.753345] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 49.766713] CPU: 1 PID: 7455 Comm: syz-executor.4 Not tainted 4.19.136-syzkaller #0 [ 49.775343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.785224] Call Trace: [ 49.788254] dump_stack+0x123/0x177 [ 49.792101] should_fail.cold.4+0x5/0x13 [ 49.796442] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 49.802225] ? mark_held_locks+0x130/0x130 [ 49.806940] __alloc_pages_nodemask+0x1d5/0x710 [ 49.811633] ? __alloc_pages_slowpath+0x25d0/0x25d0 [ 49.816747] ? lock_downgrade+0x860/0x860 [ 49.821016] alloc_pages_current+0xd6/0x1b0 [ 49.825514] __get_free_pages+0xc/0x40 [ 49.829862] __tlb_remove_page_size+0x265/0x4c0 [ 49.834884] unmap_page_range+0x90c/0x17c0 [ 49.839460] ? vm_normal_page_pmd+0x200/0x200 [ 49.844207] unmap_single_vma+0x121/0x300 [ 49.848831] unmap_vmas+0xe7/0x1a0 [ 49.852825] exit_mmap+0x251/0x450 [ 49.856385] ? __ia32_sys_munmap+0x70/0x70 [ 49.860808] ? __khugepaged_exit+0x2b1/0x400 [ 49.865567] ? kasan_check_write+0x14/0x20 [ 49.869962] ? __khugepaged_exit+0x2c0/0x400 [ 49.874601] mmput+0x107/0x3f0 [ 49.878088] do_exit+0x9cd/0x2dc0 [ 49.881554] ? kasan_check_read+0x11/0x20 [ 49.886125] ? mm_update_next_owner+0x680/0x680 [ 49.890813] ? find_held_lock+0x36/0x1d0 [ 49.895018] ? get_signal+0x2c3/0x1a30 [ 49.898995] ? _raw_spin_unlock_irq+0x27/0x80 [ 49.903839] ? get_signal+0x2c3/0x1a30 [ 49.909202] do_group_exit+0xf4/0x2f0 [ 49.913021] get_signal+0x313/0x1a30 [ 49.916973] ? do_syscall_64+0xd0/0x4e0 [ 49.920946] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.926693] ? kasan_check_read+0x11/0x20 [ 49.931141] do_signal+0x87/0x1960 [ 49.941028] ? debug_check_no_obj_freed+0x1ff/0x472 [ 49.946301] ? lock_downgrade+0x860/0x860 [ 49.950540] ? _raw_spin_unlock_irqrestore+0x63/0xd0 [ 49.956042] ? setup_sigcontext+0x7d0/0x7d0 [ 49.960674] ? quarantine_put+0x11b/0x1c0 [ 49.965031] ? trace_hardirqs_off+0x41/0x180 [ 49.969453] ? ksys_mount+0x62/0xe0 [ 49.973087] ? lockdep_hardirqs_on+0x421/0x5c0 [ 49.978089] ? kfree+0x107/0x220 [ 49.981595] ? trace_hardirqs_on+0x28/0x190 [ 49.986513] ? exit_to_usermode_loop+0x3a/0x200 [ 49.991816] ? do_syscall_64+0x413/0x4e0 [ 49.995973] ? lockdep_hardirqs_on+0x421/0x5c0 [ 50.000661] ? exit_to_usermode_loop+0x3a/0x200 [ 50.005707] ? trace_hardirqs_on+0x28/0x190 [ 50.010302] exit_to_usermode_loop+0x114/0x200 [ 50.015040] ? __x64_sys_mount+0xb9/0x150 [ 50.019897] do_syscall_64+0x413/0x4e0 [ 50.023921] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.029565] RIP: 0033:0x45d31a [ 50.032949] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 50.052130] RSP: 002b:00007f5a7da5aa68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.060030] RAX: ffffffffffffffef RBX: 00007f5a7da5ac90 RCX: 000000000045d31a [ 50.067306] RDX: 00007f5a7da5aae0 RSI: 00000000200001c0 RDI: 00007f5a7da5ab00 [ 50.074574] RBP: 000000000075bf20 R08: 00007f5a7da5ab40 R09: 00007f5a7da5aae0 [ 50.082745] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5a7da5b6d4 [ 50.090183] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 50.359187] FAULT_INJECTION: forcing a failure. [ 50.359187] name failslab, interval 1, probability 0, space 0, times 0 [ 50.372173] CPU: 1 PID: 7470 Comm: syz-executor.2 Not tainted 4.19.136-syzkaller #0 [ 50.380282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.390698] Call Trace: [ 50.393402] dump_stack+0x123/0x177 [ 50.397409] should_fail.cold.4+0x5/0x13 [ 50.401605] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.407513] ? lock_downgrade+0x860/0x860 [ 50.412082] __should_failslab+0xba/0xf0 [ 50.416250] should_failslab+0x9/0x14 [ 50.420593] kmem_cache_alloc+0x2bc/0x730 [ 50.424839] ? _atomic_dec_and_lock_irqsave+0x1d0/0x1d0 [ 50.430381] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 50.435246] getname_kernel+0x4e/0x330 [ 50.439376] kern_path+0x11/0x40 [ 50.442971] lookup_bdev.part.35+0x65/0x150 [ 50.447294] ? bd_acquire+0x290/0x290 [ 50.451175] ? btrfs_open_devices+0x5d/0x120 [ 50.456457] ? memset+0x31/0x40 [ 50.459834] blkdev_get_by_path+0x58/0xb0 [ 50.463983] btrfs_get_bdev_and_sb+0x1f/0x290 [ 50.468624] open_fs_devices+0x374/0xc50 [ 50.472699] ? find_fsid+0x80/0x80 [ 50.476261] ? __lock_is_held+0xb5/0x140 [ 50.480505] ? btrfs_mount_root+0x424/0x16f0 [ 50.485159] btrfs_open_devices+0x101/0x120 [ 50.489631] btrfs_mount_root+0x4a6/0x16f0 [ 50.494846] ? btrfs_decode_error+0x50/0x50 [ 50.499676] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.504891] ? pcpu_alloc+0xb9c/0xdf0 [ 50.508793] ? pcpu_balance_workfn+0x1010/0x1010 [ 50.513585] ? __lockdep_init_map+0x105/0x590 [ 50.518605] ? __lockdep_init_map+0x105/0x590 [ 50.523201] mount_fs+0x7f/0x2a2 [ 50.526889] vfs_kern_mount.part.34+0x58/0x3d0 [ 50.531658] vfs_kern_mount+0xe/0x20 [ 50.535511] btrfs_mount+0x21a/0x12f5 [ 50.539696] ? lock_downgrade+0x860/0x860 [ 50.544230] ? find_held_lock+0x36/0x1d0 [ 50.548506] ? kasan_check_write+0x14/0x20 [ 50.553108] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 50.559601] ? btrfs_remount+0x1000/0x1000 [ 50.563981] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.569135] ? pcpu_alloc+0xb9c/0xdf0 [ 50.573057] ? pcpu_balance_workfn+0x1010/0x1010 [ 50.578072] ? __lockdep_init_map+0x105/0x590 [ 50.582825] mount_fs+0x7f/0x2a2 [ 50.586712] ? __init_waitqueue_head+0x36/0x90 [ 50.591747] ? mount_fs+0x7f/0x2a2 [ 50.595443] vfs_kern_mount.part.34+0x58/0x3d0 [ 50.600371] do_mount+0x36e/0x2410 [ 50.604189] ? copy_mount_string+0x20/0x20 [ 50.608742] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.614090] ? kmem_cache_alloc_trace+0x350/0x740 [ 50.619411] ? kasan_check_write+0x14/0x20 [ 50.624871] ? copy_mount_options+0x55/0x270 [ 50.630147] ksys_mount+0xba/0xe0 [ 50.633613] __x64_sys_mount+0xb9/0x150 [ 50.637768] do_syscall_64+0xd0/0x4e0 [ 50.641708] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.647143] RIP: 0033:0x45d31a [ 50.650433] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 50.670108] RSP: 002b:00007fd02a232a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 50.678323] RAX: ffffffffffffffda RBX: 00007fd02a232c90 RCX: 000000000045d31a [ 50.686088] RDX: 00007fd02a232ae0 RSI: 00000000200001c0 RDI: 00007fd02a232b00 [ 50.693533] RBP: 000000000075bf20 R08: 00007fd02a232b40 R09: 00007fd02a232ae0 [ 50.701755] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd02a2336d4 [ 50.709278] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 50.782131] FAULT_INJECTION: forcing a failure. [ 50.782131] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 50.794146] CPU: 1 PID: 7484 Comm: syz-executor.1 Not tainted 4.19.136-syzkaller #0 [ 50.801959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.811859] Call Trace: [ 50.814588] dump_stack+0x123/0x177 [ 50.820994] should_fail.cold.4+0x5/0x13 [ 50.825079] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.830752] ? try_to_wake_up+0xc2/0xf20 [ 50.835221] ? lockdep_hardirqs_on+0x421/0x5c0 [ 50.841407] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 50.847561] __alloc_pages_nodemask+0x1d5/0x710 [ 50.853207] ? __alloc_pages_slowpath+0x25d0/0x25d0 [ 50.858804] cache_grow_begin+0x91/0x8d0 [ 50.862966] ? kmem_cache_alloc+0x9c/0x730 [ 50.867454] kmem_cache_alloc+0x663/0x730 [ 50.871749] ? _atomic_dec_and_lock_irqsave+0x1d0/0x1d0 [ 50.877231] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 50.882308] getname_kernel+0x4e/0x330 [ 50.886220] kern_path+0x11/0x40 [ 50.889852] lookup_bdev.part.35+0x65/0x150 [ 50.894192] ? bd_acquire+0x290/0x290 [ 50.898010] ? btrfs_open_devices+0x5d/0x120 [ 50.902744] ? memset+0x31/0x40 [ 50.906057] blkdev_get_by_path+0x58/0xb0 [ 50.910225] btrfs_get_bdev_and_sb+0x1f/0x290 [ 50.915344] open_fs_devices+0x374/0xc50 [ 50.919644] ? find_fsid+0x80/0x80 [ 50.923203] ? __lock_is_held+0xb5/0x140 [ 50.927443] ? btrfs_mount_root+0x424/0x16f0 [ 50.931880] btrfs_open_devices+0x101/0x120 [ 50.936229] btrfs_mount_root+0x4a6/0x16f0 [ 50.940579] ? btrfs_decode_error+0x50/0x50 [ 50.945090] ? rcu_read_lock_sched_held+0x108/0x120 [ 50.950996] ? pcpu_alloc+0xb9c/0xdf0 [ 50.954825] ? pcpu_balance_workfn+0x1010/0x1010 [ 50.959607] ? __lockdep_init_map+0x105/0x590 [ 50.964387] ? __lockdep_init_map+0x105/0x590 [ 50.969269] mount_fs+0x7f/0x2a2 [ 50.973017] vfs_kern_mount.part.34+0x58/0x3d0 [ 50.977621] vfs_kern_mount+0xe/0x20 [ 50.981353] btrfs_mount+0x21a/0x12f5 [ 50.985162] ? lock_downgrade+0x860/0x860 [ 50.990212] ? find_held_lock+0x36/0x1d0 [ 50.994816] ? kasan_check_write+0x14/0x20 [ 50.999065] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 51.003939] ? btrfs_remount+0x1000/0x1000 [ 51.008205] ? rcu_read_lock_sched_held+0x108/0x120 [ 51.013391] ? pcpu_alloc+0xb9c/0xdf0 [ 51.017218] ? pcpu_balance_workfn+0x1010/0x1010 [ 51.022478] ? __lockdep_init_map+0x105/0x590 [ 51.027131] mount_fs+0x7f/0x2a2 [ 51.030583] ? __init_waitqueue_head+0x36/0x90 [ 51.035175] ? mount_fs+0x7f/0x2a2 [ 51.038825] vfs_kern_mount.part.34+0x58/0x3d0 [ 51.043421] do_mount+0x36e/0x2410 [ 51.047210] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.052342] ? copy_mount_string+0x20/0x20 [ 51.056681] ? copy_mount_options+0x163/0x270 [ 51.061579] ? copy_mount_options+0x55/0x270 [ 51.066221] ksys_mount+0xba/0xe0 [ 51.069819] __x64_sys_mount+0xb9/0x150 [ 51.073862] do_syscall_64+0xd0/0x4e0 [ 51.077818] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.083440] RIP: 0033:0x45d31a [ 51.086649] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 51.106147] RSP: 002b:00007f4bfc80aa68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.114004] RAX: ffffffffffffffda RBX: 00007f4bfc80ac90 RCX: 000000000045d31a [ 51.121417] RDX: 00007f4bfc80aae0 RSI: 00000000200001c0 RDI: 00007f4bfc80ab00 [ 51.132087] RBP: 000000000075bf20 R08: 00007f4bfc80ab40 R09: 00007f4bfc80aae0 [ 51.139566] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4bfc80b6d4 [ 51.148258] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 51.210002] BTRFS warning (device ): duplicate device fsid:devid for fff6f2a2-2997-48ae-b81e-1b00b10efd9a:0 old:/dev/loop1 new:/dev/loop3 [ 51.237411] BTRFS warning (device ): duplicate device fsid:devid for fff6f2a2-2997-48ae-b81e-1b00b10efd9a:0 old:/dev/loop1 new:/dev/loop5 [ 51.270437] FAULT_INJECTION: forcing a failure. [ 51.270437] name failslab, interval 1, probability 0, space 0, times 0 [ 51.283783] CPU: 0 PID: 7493 Comm: syz-executor.3 Not tainted 4.19.136-syzkaller #0 [ 51.292019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.301827] Call Trace: [ 51.304506] dump_stack+0x123/0x177 [ 51.308242] should_fail.cold.4+0x5/0x13 [ 51.312453] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.317712] ? lock_downgrade+0x860/0x860 [ 51.322054] __should_failslab+0xba/0xf0 [ 51.326344] should_failslab+0x9/0x14 [ 51.330315] __kmalloc+0x2dd/0x770 [ 51.334037] ? kobject_uevent_env+0x1bf/0xf20 [ 51.338588] ? rcu_read_lock_sched_held+0x108/0x120 [ 51.343948] ? kobject_get_path+0xa0/0x1a0 [ 51.348515] ? kmem_cache_alloc_trace+0x350/0x740 [ 51.353745] kobject_get_path+0xa0/0x1a0 [ 51.358202] kobject_uevent_env+0x1df/0xf20 [ 51.363378] kobject_uevent+0xb/0x10 [ 51.368281] __loop_clr_fd+0x4b0/0xc80 [ 51.372754] lo_ioctl+0x2ba/0x1e80 [ 51.376300] ? __lock_acquire+0x792/0x4980 [ 51.381215] blkdev_ioctl+0x7fc/0x17a0 [ 51.385279] ? blkpg_ioctl+0x8f0/0x8f0 [ 51.389397] ? mark_held_locks+0x130/0x130 [ 51.394465] ? save_stack+0xa9/0xd0 [ 51.401135] ? save_stack+0x43/0xd0 [ 51.404889] ? __kasan_slab_free+0x102/0x150 [ 51.409567] ? kasan_slab_free+0xe/0x10 [ 51.413719] ? kfree+0xcf/0x220 [ 51.417085] block_ioctl+0xd7/0x130 [ 51.420863] do_vfs_ioctl+0x196/0x10c0 [ 51.424759] ? ioctl_preallocate+0x1c0/0x1c0 [ 51.433632] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.438567] ? trace_fn_trace+0x151/0x160 [ 51.443015] ? ksys_dup3+0x2e0/0x2e0 [ 51.446908] ? ksys_mount+0x62/0xe0 [ 51.450945] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.456490] ? kfree+0x107/0x220 [ 51.460123] ? security_file_ioctl+0x4a/0x90 [ 51.464529] ? __fget_light+0x174/0x1e0 [ 51.468595] ksys_ioctl+0x62/0x90 [ 51.472693] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.477553] __x64_sys_ioctl+0x6e/0xb0 [ 51.481772] do_syscall_64+0xd0/0x4e0 [ 51.486043] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.491431] RIP: 0033:0x45a737 [ 51.494633] Code: 48 83 c4 08 48 89 d8 5b 5d c3 66 0f 1f 84 00 00 00 00 00 48 89 e8 48 f7 d8 48 39 c3 0f 92 c0 eb 92 66 90 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 8d b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.515162] RSP: 002b:00007f730a29da68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.523503] RAX: ffffffffffffffda RBX: 00007f730a29dc90 RCX: 000000000045a737 [ 51.531069] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 51.538543] RBP: 000000000075bf20 R08: 00007f730a29db40 R09: 00007f730a29dae0 [ 51.545910] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f730a29e6d4 [ 51.553704] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 51.576473] BTRFS warning (device ): duplicate device fsid:devid for fff6f2a2-2997-48ae-b81e-1b00b10efd9a:0 old:/dev/loop1 new:/dev/loop0 [ 51.576531] FAULT_INJECTION: forcing a failure. [ 51.576531] name fail_futex, interval 1, probability 0, space 0, times 1 [ 51.596602] BTRFS warning (device ): duplicate device fsid:devid for fff6f2a2-2997-48ae-b81e-1b00b10efd9a:0 old:/dev/loop1 new:/dev/loop2 [ 51.618181] FAULT_INJECTION: forcing a failure. [ 51.618181] name fail_futex, interval 1, probability 0, space 0, times 1 [ 51.622266] CPU: 1 PID: 7494 Comm: syz-executor.5 Not tainted 4.19.136-syzkaller #0 [ 51.637997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.651451] Call Trace: [ 51.654142] dump_stack+0x123/0x177 [ 51.657881] should_fail.cold.4+0x5/0x13 [ 51.661953] ? is_bpf_text_address+0x60/0xe0 [ 51.666381] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.672042] ? kasan_check_read+0x11/0x20 [ 51.676352] get_futex_key+0x18a/0x1190 [ 51.680749] ? futex_lock_pi_atomic+0x200/0x200 [ 51.685558] ? check_noncircular+0x20/0x20 [ 51.689807] futex_wake+0xcb/0x5a0 [ 51.693353] ? get_futex_key+0x1190/0x1190 [ 51.698569] do_futex+0x5ae/0x1910 [ 51.702120] ? __lock_acquire+0x792/0x4980 [ 51.706379] ? mark_held_locks+0x130/0x130 [ 51.710786] ? exit_robust_list+0x1d0/0x1d0 [ 51.715191] ? mark_held_locks+0x130/0x130 [ 51.719443] ? find_held_lock+0x36/0x1d0 [ 51.723514] ? find_held_lock+0x36/0x1d0 [ 51.727676] ? __might_fault+0xf1/0x1b0 [ 51.731753] ? lock_downgrade+0x860/0x860 [ 51.735916] mm_release+0x2da/0x410 [ 51.739553] do_exit+0x5f8/0x2dc0 [ 51.743013] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 51.748143] ? find_held_lock+0x10/0x1d0 [ 51.752259] ? mm_update_next_owner+0x680/0x680 [ 51.756933] ? do_group_exit+0x26e/0x2f0 [ 51.761048] ? _raw_spin_unlock_irq+0x27/0x80 [ 51.765541] ? do_group_exit+0x26e/0x2f0 [ 51.769658] ? lockdep_hardirqs_on+0x421/0x5c0 [ 51.774246] ? _raw_spin_unlock_irq+0x27/0x80 [ 51.778742] ? trace_hardirqs_on+0x28/0x190 [ 51.783064] do_group_exit+0xf4/0x2f0 [ 51.786861] __x64_sys_exit_group+0x39/0x40 [ 51.791198] do_syscall_64+0xd0/0x4e0 [ 51.795000] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.800212] RIP: 0033:0x45a8c9 [ 51.803398] Code: 2d 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.823256] RSP: 002b:00007f462f5acb78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 51.830981] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 000000000045a8c9 [ 51.838247] RDX: 0000000000414321 RSI: 0000000000a770d0 RDI: 0000000000000000 [ 51.845513] RBP: 00000000004cc920 R08: 000000000000000b R09: 0000000000000000 [ 51.852776] R10: 00007f462f5ad700 R11: 0000000000000246 R12: 00007f462f5ad6d4 [ 51.860046] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 51.867331] CPU: 0 PID: 7506 Comm: syz-executor.0 Not tainted 4.19.136-syzkaller #0 [ 51.875168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.884510] Call Trace: [ 51.887084] dump_stack+0x123/0x177 [ 51.890701] should_fail.cold.4+0x5/0x13 [ 51.894743] ? is_bpf_text_address+0x60/0xe0 [ 51.899147] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.904252] ? kasan_check_read+0x11/0x20 [ 51.908395] get_futex_key+0x18a/0x1190 [ 51.912370] ? futex_lock_pi_atomic+0x200/0x200 [ 51.917032] ? check_noncircular+0x20/0x20 [ 51.921252] futex_wake+0xcb/0x5a0 [ 51.924778] ? get_futex_key+0x1190/0x1190 [ 51.929019] do_futex+0x5ae/0x1910 [ 51.932552] ? __lock_acquire+0x792/0x4980 [ 51.936803] ? mark_held_locks+0x130/0x130 [ 51.941031] ? exit_robust_list+0x1d0/0x1d0 [ 51.945333] ? mark_held_locks+0x130/0x130 [ 51.949572] ? find_held_lock+0x36/0x1d0 [ 51.953634] ? find_held_lock+0x36/0x1d0 [ 51.957719] ? __might_fault+0xf1/0x1b0 [ 51.961679] ? lock_downgrade+0x860/0x860 [ 51.965830] mm_release+0x2da/0x410 [ 51.969453] do_exit+0x5f8/0x2dc0 [ 51.972917] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 51.978006] ? find_held_lock+0x10/0x1d0 [ 51.982076] ? mm_update_next_owner+0x680/0x680 [ 51.986750] ? do_group_exit+0x26e/0x2f0 [ 51.990801] ? _raw_spin_unlock_irq+0x27/0x80 [ 51.995292] ? do_group_exit+0x26e/0x2f0 [ 51.999342] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.003928] ? _raw_spin_unlock_irq+0x27/0x80 [ 52.008408] ? trace_hardirqs_on+0x28/0x190 [ 52.012715] do_group_exit+0xf4/0x2f0 [ 52.016509] __x64_sys_exit_group+0x39/0x40 [ 52.020842] do_syscall_64+0xd0/0x4e0 [ 52.024982] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.030168] RIP: 0033:0x45a8c9 [ 52.033339] Code: 2d 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 fb b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.052228] RSP: 002b:00007fcc196e5b78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 52.059924] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 000000000045a8c9 [ 52.067197] RDX: 0000000000414321 RSI: 0000000000a770d0 RDI: 0000000000000000 [ 52.074467] RBP: 00000000004cc920 R08: 000000000000000b R09: 0000000000000000 [ 52.081761] R10: 00007fcc196e6700 R11: 0000000000000246 R12: 00007fcc196e66d4 [ 52.089027] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 52.179029] FAULT_INJECTION: forcing a failure. [ 52.179029] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.190921] CPU: 1 PID: 7508 Comm: syz-executor.2 Not tainted 4.19.136-syzkaller #0 [ 52.198714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.208056] Call Trace: [ 52.210631] dump_stack+0x123/0x177 [ 52.214255] should_fail.cold.4+0x5/0x13 [ 52.218343] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.223465] ? mark_held_locks+0x130/0x130 [ 52.227686] __alloc_pages_nodemask+0x1d5/0x710 [ 52.232358] ? __alloc_pages_slowpath+0x25d0/0x25d0 [ 52.237368] ? lock_downgrade+0x860/0x860 [ 52.241500] alloc_pages_current+0xd6/0x1b0 [ 52.245818] __get_free_pages+0xc/0x40 [ 52.249700] __tlb_remove_page_size+0x265/0x4c0 [ 52.254392] unmap_page_range+0x90c/0x17c0 [ 52.258628] ? vm_normal_page_pmd+0x200/0x200 [ 52.263110] unmap_single_vma+0x121/0x300 [ 52.267240] unmap_vmas+0xe7/0x1a0 [ 52.270775] exit_mmap+0x251/0x450 [ 52.274307] ? __ia32_sys_munmap+0x70/0x70 [ 52.278528] ? __khugepaged_exit+0x2b1/0x400 [ 52.282921] ? kasan_check_write+0x14/0x20 [ 52.287149] ? __khugepaged_exit+0x2c0/0x400 [ 52.291544] mmput+0x107/0x3f0 [ 52.294740] do_exit+0x9cd/0x2dc0 [ 52.298173] ? kasan_check_read+0x11/0x20 [ 52.302306] ? mm_update_next_owner+0x680/0x680 [ 52.306971] ? find_held_lock+0x36/0x1d0 [ 52.311024] ? get_signal+0x2c3/0x1a30 [ 52.314896] ? _raw_spin_unlock_irq+0x27/0x80 [ 52.319390] ? get_signal+0x2c3/0x1a30 [ 52.323263] do_group_exit+0xf4/0x2f0 [ 52.327045] get_signal+0x313/0x1a30 [ 52.330740] ? do_syscall_64+0xd0/0x4e0 [ 52.334815] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.340188] ? kasan_check_read+0x11/0x20 [ 52.344336] do_signal+0x87/0x1960 [ 52.347856] ? debug_check_no_obj_freed+0x1ff/0x472 [ 52.352856] ? lock_downgrade+0x860/0x860 [ 52.356992] ? _raw_spin_unlock_irqrestore+0x63/0xd0 [ 52.362075] ? setup_sigcontext+0x7d0/0x7d0 [ 52.366375] ? quarantine_put+0x11b/0x1c0 [ 52.370530] ? trace_hardirqs_off+0x41/0x180 [ 52.374938] ? ksys_mount+0x62/0xe0 [ 52.378568] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.383146] ? kfree+0x107/0x220 [ 52.386507] ? trace_hardirqs_on+0x28/0x190 [ 52.390818] ? exit_to_usermode_loop+0x3a/0x200 [ 52.395485] ? do_syscall_64+0x413/0x4e0 [ 52.399527] ? lockdep_hardirqs_on+0x421/0x5c0 [ 52.404095] ? exit_to_usermode_loop+0x3a/0x200 [ 52.408777] ? trace_hardirqs_on+0x28/0x190 [ 52.413097] exit_to_usermode_loop+0x114/0x200 [ 52.417702] ? __x64_sys_mount+0xb9/0x150 [ 52.421844] do_syscall_64+0x413/0x4e0 [ 52.425722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.430899] RIP: 0033:0x45d31a [ 52.434074] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 52.452988] RSP: 002b:00007fd02a232a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.460695] RAX: ffffffffffffffef RBX: 00007fd02a232c90 RCX: 000000000045d31a [ 52.467950] RDX: 00007fd02a232ae0 RSI: 00000000200001c0 RDI: 00007fd02a232b00 [ 52.475223] RBP: 000000000075bf20 R08: 00007fd02a232b40 R09: 00007fd02a232ae0 [ 52.482478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd02a2336d4 [ 52.489736] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 2020/08/04 18:09:35 executed programs: 21 [ 52.774120] FAULT_INJECTION: forcing a failure. [ 52.774120] name failslab, interval 1, probability 0, space 0, times 0 [ 52.807785] CPU: 0 PID: 7523 Comm: syz-executor.3 Not tainted 4.19.136-syzkaller #0 [ 52.815615] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.824994] Call Trace: [ 52.828112] dump_stack+0x123/0x177 [ 52.831719] should_fail.cold.4+0x5/0x13 [ 52.835781] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.840879] ? lock_downgrade+0x860/0x860 [ 52.845018] __should_failslab+0xba/0xf0 [ 52.849077] should_failslab+0x9/0x14 [ 52.852878] kmem_cache_alloc+0x2bc/0x730 [ 52.857012] ? _atomic_dec_and_lock_irqsave+0x1d0/0x1d0 [ 52.862371] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 52.867198] getname_kernel+0x4e/0x330 [ 52.871070] kern_path+0x11/0x40 [ 52.874436] lookup_bdev.part.35+0x65/0x150 [ 52.878741] ? bd_acquire+0x290/0x290 [ 52.882543] ? btrfs_open_devices+0x5d/0x120 [ 52.886938] ? memset+0x31/0x40 [ 52.890202] blkdev_get_by_path+0x58/0xb0 [ 52.894343] btrfs_get_bdev_and_sb+0x1f/0x290 [ 52.898828] open_fs_devices+0x374/0xc50 [ 52.902889] ? find_fsid+0x80/0x80 [ 52.906418] ? __lock_is_held+0xb5/0x140 [ 52.910503] ? btrfs_mount_root+0x424/0x16f0 [ 52.914902] btrfs_open_devices+0x101/0x120 [ 52.919211] btrfs_mount_root+0x4a6/0x16f0 [ 52.923453] ? btrfs_decode_error+0x50/0x50 [ 52.927768] ? rcu_read_lock_sched_held+0x108/0x120 [ 52.932770] ? pcpu_alloc+0xb9c/0xdf0 [ 52.936574] ? pcpu_balance_workfn+0x1010/0x1010 [ 52.941324] ? __lockdep_init_map+0x105/0x590 [ 52.945822] ? __lockdep_init_map+0x105/0x590 [ 52.950320] mount_fs+0x7f/0x2a2 [ 52.953685] vfs_kern_mount.part.34+0x58/0x3d0 [ 52.958252] vfs_kern_mount+0xe/0x20 [ 52.961950] btrfs_mount+0x21a/0x12f5 [ 52.965774] ? lock_downgrade+0x860/0x860 [ 52.969913] ? find_held_lock+0x36/0x1d0 [ 52.973987] ? kasan_check_write+0x14/0x20 [ 52.978224] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 52.983053] ? btrfs_remount+0x1000/0x1000 [ 52.987280] ? rcu_read_lock_sched_held+0x108/0x120 [ 52.992275] ? pcpu_alloc+0xb9c/0xdf0 [ 52.996083] ? pcpu_balance_workfn+0x1010/0x1010 [ 53.000829] ? __lockdep_init_map+0x105/0x590 [ 53.005322] mount_fs+0x7f/0x2a2 [ 53.008665] ? __init_waitqueue_head+0x36/0x90 [ 53.013243] ? mount_fs+0x7f/0x2a2 [ 53.016788] vfs_kern_mount.part.34+0x58/0x3d0 [ 53.021365] do_mount+0x36e/0x2410 [ 53.024887] ? copy_mount_string+0x20/0x20 [ 53.029119] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.034135] ? kmem_cache_alloc_trace+0x350/0x740 [ 53.038970] ? kasan_check_write+0x14/0x20 [ 53.043197] ? copy_mount_options+0x55/0x270 [ 53.047594] ksys_mount+0xba/0xe0 [ 53.051027] __x64_sys_mount+0xb9/0x150 [ 53.054984] do_syscall_64+0xd0/0x4e0 [ 53.058778] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.063944] RIP: 0033:0x45d31a [ 53.067113] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 53.086004] RSP: 002b:00007f730a29da68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.093704] RAX: ffffffffffffffda RBX: 00007f730a29dc90 RCX: 000000000045d31a [ 53.100977] RDX: 00007f730a29dae0 RSI: 00000000200001c0 RDI: 00007f730a29db00 [ 53.108230] RBP: 000000000075bf20 R08: 00007f730a29db40 R09: 00007f730a29dae0 [ 53.115478] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f730a29e6d4 [ 53.128128] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 53.190235] FAULT_INJECTION: forcing a failure. [ 53.190235] name failslab, interval 1, probability 0, space 0, times 0 [ 53.206679] CPU: 1 PID: 7535 Comm: syz-executor.0 Not tainted 4.19.136-syzkaller #0 [ 53.214528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.223921] Call Trace: [ 53.226549] dump_stack+0x123/0x177 [ 53.231147] should_fail.cold.4+0x5/0x13 [ 53.235211] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 53.240315] ? lock_downgrade+0x860/0x860 [ 53.244487] __should_failslab+0xba/0xf0 [ 53.248554] should_failslab+0x9/0x14 [ 53.252352] kmem_cache_alloc+0x2bc/0x730 [ 53.256600] ? _atomic_dec_and_lock_irqsave+0x1d0/0x1d0 [ 53.261972] ? __mutex_unlock_slowpath+0x310/0x6a0 [ 53.266917] getname_kernel+0x4e/0x330 [ 53.270846] kern_path+0x11/0x40 [ 53.274216] lookup_bdev.part.35+0x65/0x150 [ 53.278598] ? bd_acquire+0x290/0x290 [ 53.282402] ? btrfs_open_devices+0x5d/0x120 [ 53.286812] ? memset+0x31/0x40 [ 53.290090] blkdev_get_by_path+0x58/0xb0 [ 53.294236] btrfs_get_bdev_and_sb+0x1f/0x290 [ 53.298750] open_fs_devices+0x374/0xc50 [ 53.302823] ? find_fsid+0x80/0x80 [ 53.306370] ? __lock_is_held+0xb5/0x140 [ 53.310429] ? btrfs_mount_root+0x424/0x16f0 [ 53.314862] btrfs_open_devices+0x101/0x120 [ 53.319192] btrfs_mount_root+0x4a6/0x16f0 [ 53.323439] ? btrfs_decode_error+0x50/0x50 [ 53.327763] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.332792] ? pcpu_alloc+0xb9c/0xdf0 [ 53.336608] ? pcpu_balance_workfn+0x1010/0x1010 [ 53.341369] ? __lockdep_init_map+0x105/0x590 [ 53.345903] ? __lockdep_init_map+0x105/0x590 [ 53.350419] mount_fs+0x7f/0x2a2 [ 53.353815] vfs_kern_mount.part.34+0x58/0x3d0 [ 53.358403] vfs_kern_mount+0xe/0x20 [ 53.362117] btrfs_mount+0x21a/0x12f5 [ 53.365921] ? lock_downgrade+0x860/0x860 [ 53.370077] ? find_held_lock+0x36/0x1d0 [ 53.374145] ? kasan_check_write+0x14/0x20 [ 53.378390] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 53.383253] ? btrfs_remount+0x1000/0x1000 [ 53.387506] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.392531] ? pcpu_alloc+0xb9c/0xdf0 [ 53.396359] ? pcpu_balance_workfn+0x1010/0x1010 [ 53.401122] ? __lockdep_init_map+0x105/0x590 [ 53.405631] mount_fs+0x7f/0x2a2 [ 53.409001] ? __init_waitqueue_head+0x36/0x90 [ 53.413580] ? mount_fs+0x7f/0x2a2 [ 53.417118] vfs_kern_mount.part.34+0x58/0x3d0 [ 53.421716] do_mount+0x36e/0x2410 [ 53.425264] ? copy_mount_string+0x20/0x20 [ 53.429497] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.434514] ? kmem_cache_alloc_trace+0x350/0x740 [ 53.439358] ? kasan_check_write+0x14/0x20 [ 53.443617] ? copy_mount_options+0x55/0x270 [ 53.448004] ksys_mount+0xba/0xe0 [ 53.451434] __x64_sys_mount+0xb9/0x150 [ 53.455443] do_syscall_64+0xd0/0x4e0 [ 53.459233] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.464446] RIP: 0033:0x45d31a [ 53.467629] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 53.486520] RSP: 002b:00007fcc196e5a68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.494229] RAX: ffffffffffffffda RBX: 00007fcc196e5c90 RCX: 000000000045d31a [ 53.501507] RDX: 00007fcc196e5ae0 RSI: 00000000200001c0 RDI: 00007fcc196e5b00 [ 53.508790] RBP: 000000000075bf20 R08: 00007fcc196e5b40 R09: 00007fcc196e5ae0 [ 53.516093] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc196e66d4 [ 53.523358] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 53.534050] FAULT_INJECTION: forcing a failure. [ 53.534050] name failslab, interval 1, probability 0, space 0, times 0 [ 53.545576] CPU: 1 PID: 7536 Comm: syz-executor.5 Not tainted 4.19.136-syzkaller #0 [ 53.553368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.562725] Call Trace: [ 53.565317] dump_stack+0x123/0x177 [ 53.568942] should_fail.cold.4+0x5/0x13 [ 53.572995] ? btrfs_mount_root+0x4a6/0x16f0 [ 53.577409] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 53.582520] __should_failslab+0xba/0xf0 [ 53.586569] should_failslab+0x9/0x14 [ 53.590365] kmem_cache_alloc+0x47/0x730 [ 53.594422] mempool_alloc_slab+0x3a/0x50 [ 53.598562] mempool_alloc+0x118/0x320 [ 53.602445] ? mempool_destroy+0x20/0x20 [ 53.606496] ? mark_held_locks+0xc7/0x130 [ 53.610639] ? __find_get_block+0x778/0xc10 [ 53.615762] ? __getblk_gfp+0x140/0x790 [ 53.619732] ? lockdep_hardirqs_on+0x421/0x5c0 [ 53.624309] ? __find_get_block+0x778/0xc10 [ 53.628631] bio_alloc_bioset+0x1a5/0x520 [ 53.632803] ? __lock_is_held+0xb5/0x140 [ 53.636871] ? bvec_alloc+0x250/0x250 [ 53.640663] submit_bh_wbc+0xbe/0x700 [ 53.644475] __bread_gfp+0xc9/0x220 [ 53.648099] btrfs_read_dev_one_super+0x90/0x260 [ 53.652842] btrfs_read_dev_super.part.47+0x5d/0xa0 [ 53.657848] ? btrfs_read_dev_one_super+0x260/0x260 [ 53.662860] ? lru_add_drain_all+0x340/0x480 [ 53.667269] btrfs_read_dev_super+0x9/0x10 [ 53.671512] btrfs_get_bdev_and_sb+0xad/0x290 [ 53.676000] open_fs_devices+0x374/0xc50 [ 53.680059] ? find_fsid+0x80/0x80 [ 53.683592] ? __lock_is_held+0xb5/0x140 [ 53.687640] ? btrfs_mount_root+0x424/0x16f0 [ 53.692060] btrfs_open_devices+0x101/0x120 [ 53.696379] btrfs_mount_root+0x4a6/0x16f0 [ 53.700634] ? btrfs_decode_error+0x50/0x50 [ 53.704943] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.709970] ? pcpu_alloc+0xb9c/0xdf0 [ 53.713766] ? pcpu_balance_workfn+0x1010/0x1010 [ 53.718534] ? __lockdep_init_map+0x105/0x590 [ 53.723018] ? __lockdep_init_map+0x105/0x590 [ 53.727498] mount_fs+0x7f/0x2a2 [ 53.730856] vfs_kern_mount.part.34+0x58/0x3d0 [ 53.735444] vfs_kern_mount+0xe/0x20 [ 53.739145] btrfs_mount+0x21a/0x12f5 [ 53.742959] ? lock_downgrade+0x860/0x860 [ 53.747093] ? find_held_lock+0x36/0x1d0 [ 53.751148] ? kasan_check_write+0x14/0x20 [ 53.755369] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 53.760197] ? btrfs_remount+0x1000/0x1000 [ 53.764439] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.769445] ? pcpu_alloc+0xb9c/0xdf0 [ 53.773239] ? pcpu_balance_workfn+0x1010/0x1010 [ 53.777984] ? __lockdep_init_map+0x105/0x590 [ 53.782495] mount_fs+0x7f/0x2a2 [ 53.785863] ? __init_waitqueue_head+0x36/0x90 [ 53.790429] ? mount_fs+0x7f/0x2a2 [ 53.793967] vfs_kern_mount.part.34+0x58/0x3d0 [ 53.798537] do_mount+0x36e/0x2410 [ 53.802092] ? copy_mount_string+0x20/0x20 [ 53.806341] ? rcu_read_lock_sched_held+0x108/0x120 [ 53.811347] ? kmem_cache_alloc_trace+0x350/0x740 [ 53.816178] ? kasan_check_write+0x14/0x20 [ 53.820414] ? copy_mount_options+0x55/0x270 [ 53.824860] ksys_mount+0xba/0xe0 [ 53.828304] __x64_sys_mount+0xb9/0x150 [ 53.832272] do_syscall_64+0xd0/0x4e0 [ 53.836071] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.843961] RIP: 0033:0x45d31a [ 53.847155] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 53.866138] RSP: 002b:00007f462f5aca68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 53.873842] RAX: ffffffffffffffda RBX: 00007f462f5acc90 RCX: 000000000045d31a [ 53.881101] RDX: 00007f462f5acae0 RSI: 00000000200001c0 RDI: 00007f462f5acb00 [ 53.888359] RBP: 000000000075bf20 R08: 00007f462f5acb40 R09: 00007f462f5acae0 [ 53.895636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f462f5ad6d4 [ 53.902899] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 54.110222] FAULT_INJECTION: forcing a failure. [ 54.110222] name failslab, interval 1, probability 0, space 0, times 0 [ 54.125018] CPU: 0 PID: 7542 Comm: syz-executor.1 Not tainted 4.19.136-syzkaller #0 [ 54.132837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.142199] Call Trace: [ 54.144773] dump_stack+0x123/0x177 [ 54.148494] should_fail.cold.4+0x5/0x13 [ 54.152543] ? do_read_cache_page+0x668/0xfa0 [ 54.157039] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 54.162145] ? find_held_lock+0x36/0x1d0 [ 54.166196] __should_failslab+0xba/0xf0 [ 54.170283] should_failslab+0x9/0x14 [ 54.174067] kmem_cache_alloc_node+0x56/0x730 [ 54.178561] create_task_io_context+0x26/0x3e0 [ 54.183138] generic_make_request_checks+0x1537/0x1d80 [ 54.188400] ? blk_exit_rl+0x60/0x60 [ 54.192104] ? trace_event_raw_event_block_rq_requeue+0x5e0/0x5e0 [ 54.198318] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.203320] generic_make_request+0x1b3/0xfe0 [ 54.207811] ? mempool_alloc+0x118/0x320 [ 54.211861] ? blk_get_request+0x560/0x560 [ 54.216078] ? find_held_lock+0x36/0x1d0 [ 54.220117] submit_bio+0x9f/0x3f0 [ 54.223632] ? submit_bio+0x9f/0x3f0 [ 54.227330] ? lock_downgrade+0x860/0x860 [ 54.231459] ? generic_make_request+0xfe0/0xfe0 [ 54.236109] ? kasan_check_read+0x11/0x20 [ 54.240242] ? guard_bio_eod+0x19a/0x500 [ 54.244281] submit_bh_wbc+0x4d1/0x700 [ 54.248159] block_read_full_page+0x83c/0xe30 [ 54.252648] ? check_disk_change+0x110/0x110 [ 54.257032] ? __bread_gfp+0x220/0x220 [ 54.260915] ? add_to_page_cache_lru+0x1c1/0x590 [ 54.265667] ? alloc_pages_current+0xd6/0x1b0 [ 54.270194] ? add_to_page_cache_locked+0x10/0x10 [ 54.275018] ? __page_cache_alloc+0x1f0/0x390 [ 54.279497] blkdev_readpage+0x13/0x20 [ 54.283405] do_read_cache_page+0x668/0xfa0 [ 54.287754] ? blkdev_writepages+0x10/0x10 [ 54.291992] ? grab_cache_page_write_begin+0x90/0x90 [ 54.297074] ? __blkdev_get+0x1210/0x1210 [ 54.301224] ? mntput+0x52/0x70 [ 54.304486] ? path_put+0x4b/0x60 [ 54.307919] ? lookup_bdev.part.35+0xc7/0x150 [ 54.312409] ? bd_acquire+0x290/0x290 [ 54.316204] read_cache_page_gfp+0x61/0xa0 [ 54.320437] ? blkdev_get_by_path+0x83/0xb0 [ 54.324748] btrfs_scan_one_device+0x1ac/0xec0 [ 54.329312] ? mark_held_locks+0xc7/0x130 [ 54.333441] ? kfree+0x107/0x220 [ 54.336805] ? btrfs_mount_root+0x424/0x16f0 [ 54.341194] ? device_list_add+0xc40/0xc40 [ 54.345428] ? trace_hardirqs_on+0x20/0x190 [ 54.349730] ? btrfs_mount_root+0x424/0x16f0 [ 54.354139] btrfs_mount_root+0x436/0x16f0 [ 54.358377] ? btrfs_decode_error+0x50/0x50 [ 54.362687] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.367682] ? pcpu_alloc+0xb9c/0xdf0 [ 54.371484] ? pcpu_balance_workfn+0x1010/0x1010 [ 54.376265] ? __lockdep_init_map+0x105/0x590 [ 54.380918] ? __lockdep_init_map+0x105/0x590 [ 54.385426] mount_fs+0x7f/0x2a2 [ 54.388775] vfs_kern_mount.part.34+0x58/0x3d0 [ 54.393359] vfs_kern_mount+0xe/0x20 [ 54.397073] btrfs_mount+0x21a/0x12f5 [ 54.400869] ? lock_downgrade+0x860/0x860 [ 54.405009] ? find_held_lock+0x36/0x1d0 [ 54.409053] ? kasan_check_write+0x14/0x20 [ 54.413284] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 54.418130] ? btrfs_remount+0x1000/0x1000 [ 54.422350] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.427351] ? pcpu_alloc+0xb9c/0xdf0 [ 54.431133] ? pcpu_balance_workfn+0x1010/0x1010 [ 54.435868] ? __lockdep_init_map+0x105/0x590 [ 54.440361] mount_fs+0x7f/0x2a2 [ 54.444682] ? __init_waitqueue_head+0x36/0x90 [ 54.449254] ? mount_fs+0x7f/0x2a2 [ 54.452780] vfs_kern_mount.part.34+0x58/0x3d0 [ 54.457360] do_mount+0x36e/0x2410 [ 54.460890] ? copy_mount_string+0x20/0x20 [ 54.466178] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.471176] ? kmem_cache_alloc_trace+0x350/0x740 [ 54.476020] ? kasan_check_write+0x14/0x20 [ 54.480238] ? copy_mount_options+0x55/0x270 [ 54.484629] ksys_mount+0xba/0xe0 [ 54.488065] __x64_sys_mount+0xb9/0x150 [ 54.492036] do_syscall_64+0xd0/0x4e0 [ 54.495834] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.501009] RIP: 0033:0x45d31a [ 54.504194] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 54.523081] RSP: 002b:00007f4bfc80aa68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.530773] RAX: ffffffffffffffda RBX: 00007f4bfc80ac90 RCX: 000000000045d31a [ 54.538028] RDX: 00007f4bfc80aae0 RSI: 00000000200001c0 RDI: 00007f4bfc80ab00 [ 54.545284] RBP: 000000000075bf20 R08: 00007f4bfc80ab40 R09: 00007f4bfc80aae0 [ 54.552554] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4bfc80b6d4 [ 54.559817] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 54.680124] FAULT_INJECTION: forcing a failure. [ 54.680124] name failslab, interval 1, probability 0, space 0, times 0 [ 54.691803] CPU: 1 PID: 7545 Comm: syz-executor.4 Not tainted 4.19.136-syzkaller #0 [ 54.699633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.708997] Call Trace: [ 54.711583] dump_stack+0x123/0x177 [ 54.715197] should_fail.cold.4+0x5/0x13 [ 54.719241] ? btrfs_scan_one_device+0x1ac/0xec0 [ 54.723994] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 54.729121] __should_failslab+0xba/0xf0 [ 54.733206] should_failslab+0x9/0x14 [ 54.736994] kmem_cache_alloc+0x47/0x730 [ 54.741039] mempool_alloc_slab+0x3a/0x50 [ 54.745183] mempool_alloc+0x118/0x320 [ 54.749080] ? mempool_destroy+0x20/0x20 [ 54.753134] ? find_held_lock+0x36/0x1d0 [ 54.757199] bio_alloc_bioset+0x1a5/0x520 [ 54.761343] ? __lock_is_held+0xb5/0x140 [ 54.765398] ? bvec_alloc+0x250/0x250 [ 54.769185] ? _raw_spin_unlock+0x2c/0x50 [ 54.773326] submit_bh_wbc+0xbe/0x700 [ 54.777134] block_read_full_page+0x83c/0xe30 [ 54.781615] ? check_disk_change+0x110/0x110 [ 54.786023] ? __bread_gfp+0x220/0x220 [ 54.789889] ? add_to_page_cache_lru+0x1c1/0x590 [ 54.794649] ? alloc_pages_current+0xd6/0x1b0 [ 54.799148] ? add_to_page_cache_locked+0x10/0x10 [ 54.804004] ? __page_cache_alloc+0x1f0/0x390 [ 54.808505] blkdev_readpage+0x13/0x20 [ 54.812384] do_read_cache_page+0x668/0xfa0 [ 54.816702] ? blkdev_writepages+0x10/0x10 [ 54.820932] ? grab_cache_page_write_begin+0x90/0x90 [ 54.826039] ? __blkdev_get+0x1210/0x1210 [ 54.830180] ? mntput+0x52/0x70 [ 54.833447] ? path_put+0x4b/0x60 [ 54.837850] ? lookup_bdev.part.35+0xc7/0x150 [ 54.842332] ? bd_acquire+0x290/0x290 [ 54.846130] read_cache_page_gfp+0x61/0xa0 [ 54.850356] ? blkdev_get_by_path+0x83/0xb0 [ 54.854656] btrfs_scan_one_device+0x1ac/0xec0 [ 54.859223] ? mark_held_locks+0xc7/0x130 [ 54.863368] ? kfree+0x107/0x220 [ 54.866724] ? btrfs_mount_root+0x424/0x16f0 [ 54.871112] ? device_list_add+0xc40/0xc40 [ 54.875324] ? trace_hardirqs_on+0x20/0x190 [ 54.879658] ? btrfs_mount_root+0x424/0x16f0 [ 54.884065] btrfs_mount_root+0x436/0x16f0 [ 54.888300] ? btrfs_decode_error+0x50/0x50 [ 54.892605] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.897602] ? pcpu_alloc+0xb9c/0xdf0 [ 54.902380] ? pcpu_balance_workfn+0x1010/0x1010 [ 54.907160] ? __lockdep_init_map+0x105/0x590 [ 54.911650] ? __lockdep_init_map+0x105/0x590 [ 54.916144] mount_fs+0x7f/0x2a2 [ 54.919509] vfs_kern_mount.part.34+0x58/0x3d0 [ 54.924362] vfs_kern_mount+0xe/0x20 [ 54.928058] btrfs_mount+0x21a/0x12f5 [ 54.931849] ? lock_downgrade+0x860/0x860 [ 54.936961] ? find_held_lock+0x36/0x1d0 [ 54.941017] ? kasan_check_write+0x14/0x20 [ 54.945250] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 54.950104] ? btrfs_remount+0x1000/0x1000 [ 54.954343] ? rcu_read_lock_sched_held+0x108/0x120 [ 54.959353] ? pcpu_alloc+0xb9c/0xdf0 [ 54.963176] ? pcpu_balance_workfn+0x1010/0x1010 [ 54.967976] ? __lockdep_init_map+0x105/0x590 [ 54.972464] mount_fs+0x7f/0x2a2 [ 54.975842] ? __init_waitqueue_head+0x36/0x90 [ 54.980417] ? mount_fs+0x7f/0x2a2 [ 54.984647] vfs_kern_mount.part.34+0x58/0x3d0 [ 54.989220] do_mount+0x36e/0x2410 [ 54.992765] ? copy_mount_string+0x20/0x20 [ 54.997013] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.002035] ? kmem_cache_alloc_trace+0x350/0x740 [ 55.006883] ? kasan_check_write+0x14/0x20 [ 55.011129] ? copy_mount_options+0x55/0x270 [ 55.015527] ksys_mount+0xba/0xe0 [ 55.019029] __x64_sys_mount+0xb9/0x150 [ 55.023009] do_syscall_64+0xd0/0x4e0 [ 55.026805] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.031976] RIP: 0033:0x45d31a [ 55.035152] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 55.054052] RSP: 002b:00007f5a7da5aa68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.061762] RAX: ffffffffffffffda RBX: 00007f5a7da5ac90 RCX: 000000000045d31a [ 55.069025] RDX: 00007f5a7da5aae0 RSI: 00000000200001c0 RDI: 00007f5a7da5ab00 [ 55.076298] RBP: 000000000075bf20 R08: 00007f5a7da5ab40 R09: 00007f5a7da5aae0 [ 55.083558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5a7da5b6d4 [ 55.090845] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 55.461583] FAULT_INJECTION: forcing a failure. [ 55.461583] name failslab, interval 1, probability 0, space 0, times 0 [ 55.473245] CPU: 1 PID: 7575 Comm: syz-executor.5 Not tainted 4.19.136-syzkaller #0 [ 55.481060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.490411] Call Trace: [ 55.492987] dump_stack+0x123/0x177 [ 55.496598] should_fail.cold.4+0x5/0x13 [ 55.500652] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.505741] ? lock_downgrade+0x860/0x860 [ 55.509915] __should_failslab+0xba/0xf0 [ 55.513974] should_failslab+0x9/0x14 [ 55.517764] kmem_cache_alloc_trace+0x2d4/0x740 [ 55.522420] ? bd_set_size+0xb0/0xb0 [ 55.526150] ? wait_for_completion+0x460/0x460 [ 55.530729] btrfs_alloc_device+0xa4/0x5b0 [ 55.534956] ? btrfs_find_device_by_devspec+0x110/0x110 [ 55.540329] ? blkdev_put+0x73/0x480 [ 55.544037] close_fs_devices.part.48+0x181/0x7a0 [ 55.548863] ? wait_for_completion+0x460/0x460 [ 55.553452] btrfs_close_devices+0x80/0x1b0 [ 55.557768] btrfs_mount_root+0xeb4/0x16f0 [ 55.562017] ? btrfs_decode_error+0x50/0x50 [ 55.566324] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.571337] ? pcpu_alloc+0xb9c/0xdf0 [ 55.575148] ? pcpu_balance_workfn+0x1010/0x1010 [ 55.579911] ? __lockdep_init_map+0x105/0x590 [ 55.584386] ? __lockdep_init_map+0x105/0x590 [ 55.588875] mount_fs+0x7f/0x2a2 [ 55.592243] vfs_kern_mount.part.34+0x58/0x3d0 [ 55.596825] vfs_kern_mount+0xe/0x20 [ 55.600528] btrfs_mount+0x21a/0x12f5 [ 55.604306] ? lock_downgrade+0x860/0x860 [ 55.608433] ? find_held_lock+0x36/0x1d0 [ 55.612514] ? kasan_check_write+0x14/0x20 [ 55.616743] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 55.621597] ? btrfs_remount+0x1000/0x1000 [ 55.625844] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.630870] ? pcpu_alloc+0xb9c/0xdf0 [ 55.634683] ? pcpu_balance_workfn+0x1010/0x1010 [ 55.639445] ? __lockdep_init_map+0x105/0x590 [ 55.643922] mount_fs+0x7f/0x2a2 [ 55.647267] ? __init_waitqueue_head+0x36/0x90 [ 55.651842] ? mount_fs+0x7f/0x2a2 [ 55.655360] vfs_kern_mount.part.34+0x58/0x3d0 [ 55.659922] do_mount+0x36e/0x2410 [ 55.663442] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 55.668193] ? copy_mount_string+0x20/0x20 [ 55.672480] ? copy_mount_options+0x158/0x270 [ 55.676972] ? copy_mount_options+0x55/0x270 [ 55.681415] ksys_mount+0xba/0xe0 [ 55.684864] __x64_sys_mount+0xb9/0x150 [ 55.688831] do_syscall_64+0xd0/0x4e0 [ 55.692651] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.697820] RIP: 0033:0x45d31a [ 55.701014] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 55.719919] RSP: 002b:00007f462f5aca68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.727615] RAX: ffffffffffffffda RBX: 00007f462f5acc90 RCX: 000000000045d31a [ 55.734895] RDX: 00007f462f5acae0 RSI: 00000000200001c0 RDI: 00007f462f5acb00 [ 55.742152] RBP: 000000000075bf20 R08: 00007f462f5acb40 R09: 00007f462f5acae0 [ 55.749413] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f462f5ad6d4 [ 55.756944] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 55.778587] ------------[ cut here ]------------ [ 55.783382] kernel BUG at fs/btrfs/volumes.c:1049! [ 55.788397] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.793767] CPU: 1 PID: 7575 Comm: syz-executor.5 Not tainted 4.19.136-syzkaller #0 [ 55.801546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.810895] RIP: 0010:close_fs_devices.part.48+0x4eb/0x7a0 [ 55.816512] Code: 0f 85 9e 01 00 00 48 8d 7a 30 4c 89 43 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 6a 01 00 00 48 83 6a 30 01 e9 45 fc ff ff <0f> 0b 0f 0b 4c 89 f7 e8 09 35 e4 fe e9 a7 fb ff ff e8 ff 34 e4 fe [ 55.835407] RSP: 0018:ffff88808cab76d8 EFLAGS: 00010202 [ 55.840766] RAX: fffffffffffffff4 RBX: ffff8880a8d96040 RCX: 0000000000000000 [ 55.848032] RDX: 1ffffffff10a4161 RSI: ffffffff88590aa0 RDI: 0000000000000282 [ 55.855296] RBP: ffff88808cab7748 R08: ffffed1015d64733 R09: ffffed1015d64732 [ 55.862566] R10: ffffed1015d64732 R11: ffff8880aeb23993 R12: dffffc0000000000 [ 55.869834] R13: ffff888095c4d658 R14: ffff8880a8d96060 R15: fffffffffffffff4 [ 55.877097] FS: 00007f462f5ad700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 55.885324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.891204] CR2: 00007f1d4bf8f028 CR3: 00000000905f8000 CR4: 00000000001406e0 [ 55.898473] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 55.905750] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 55.913013] Call Trace: [ 55.915598] ? wait_for_completion+0x460/0x460 [ 55.920181] btrfs_close_devices+0x80/0x1b0 [ 55.924496] btrfs_mount_root+0xeb4/0x16f0 [ 55.928749] ? btrfs_decode_error+0x50/0x50 [ 55.933064] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.938075] ? pcpu_alloc+0xb9c/0xdf0 [ 55.941860] ? pcpu_balance_workfn+0x1010/0x1010 [ 55.946595] ? __lockdep_init_map+0x105/0x590 [ 55.951070] ? __lockdep_init_map+0x105/0x590 [ 55.955545] mount_fs+0x7f/0x2a2 [ 55.958897] vfs_kern_mount.part.34+0x58/0x3d0 [ 55.963462] vfs_kern_mount+0xe/0x20 [ 55.967153] btrfs_mount+0x21a/0x12f5 [ 55.970952] ? lock_downgrade+0x860/0x860 [ 55.975077] ? find_held_lock+0x36/0x1d0 [ 55.979151] ? kasan_check_write+0x14/0x20 [ 55.983389] ? __mutex_unlock_slowpath+0xe8/0x6a0 [ 55.988827] ? btrfs_remount+0x1000/0x1000 [ 55.993059] ? rcu_read_lock_sched_held+0x108/0x120 [ 55.998075] ? pcpu_alloc+0xb9c/0xdf0 [ 56.001867] ? pcpu_balance_workfn+0x1010/0x1010 [ 56.006614] ? __lockdep_init_map+0x105/0x590 [ 56.011091] mount_fs+0x7f/0x2a2 [ 56.014438] ? __init_waitqueue_head+0x36/0x90 [ 56.019007] ? mount_fs+0x7f/0x2a2 [ 56.022559] vfs_kern_mount.part.34+0x58/0x3d0 [ 56.027165] do_mount+0x36e/0x2410 [ 56.030690] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.035452] ? copy_mount_string+0x20/0x20 [ 56.039680] ? copy_mount_options+0x158/0x270 [ 56.044184] ? copy_mount_options+0x55/0x270 [ 56.048593] ksys_mount+0xba/0xe0 [ 56.052052] __x64_sys_mount+0xb9/0x150 [ 56.056009] do_syscall_64+0xd0/0x4e0 [ 56.059800] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.064973] RIP: 0033:0x45d31a [ 56.068165] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 cd 8b fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 aa 8b fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 56.087053] RSP: 002b:00007f462f5aca68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.095700] RAX: ffffffffffffffda RBX: 00007f462f5acc90 RCX: 000000000045d31a [ 56.102952] RDX: 00007f462f5acae0 RSI: 00000000200001c0 RDI: 00007f462f5acb00 [ 56.110228] RBP: 000000000075bf20 R08: 00007f462f5acb40 R09: 00007f462f5acae0 [ 56.117504] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f462f5ad6d4 [ 56.124762] R13: 00000000004caca3 R14: 00000000004e41b0 R15: 0000000000000003 [ 56.132015] Modules linked in: [ 56.135676] ---[ end trace e315ea840786bde4 ]--- [ 56.140479] RIP: 0010:close_fs_devices.part.48+0x4eb/0x7a0 [ 56.146102] Code: 0f 85 9e 01 00 00 48 8d 7a 30 4c 89 43 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 6a 01 00 00 48 83 6a 30 01 e9 45 fc ff ff <0f> 0b 0f 0b 4c 89 f7 e8 09 35 e4 fe e9 a7 fb ff ff e8 ff 34 e4 fe [ 56.165634] RSP: 0018:ffff88808cab76d8 EFLAGS: 00010202 [ 56.171045] RAX: fffffffffffffff4 RBX: ffff8880a8d96040 RCX: 0000000000000000 [ 56.178315] RDX: 1ffffffff10a4161 RSI: ffffffff88590aa0 RDI: 0000000000000282 [ 56.185652] RBP: ffff88808cab7748 R08: ffffed1015d64733 R09: ffffed1015d64732 [ 56.192989] R10: ffffed1015d64732 R11: ffff8880aeb23993 R12: dffffc0000000000 [ 56.200487] R13: ffff888095c4d658 R14: ffff8880a8d96060 R15: fffffffffffffff4 [ 56.207758] FS: 00007f462f5ad700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 56.216031] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.222004] CR2: 00007f1d4bf8f028 CR3: 00000000905f8000 CR4: 00000000001406e0 [ 56.229752] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.237017] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.244357] Kernel panic - not syncing: Fatal exception [ 56.250775] Kernel Offset: disabled [ 56.254388] Rebooting in 86400 seconds..