Warning: Permanently added '10.128.0.17' (ECDSA) to the list of known hosts. 2020/03/22 08:53:32 parsed 1 programs 2020/03/22 08:53:33 executed programs: 0 [ 56.015170][ T7497] IPVS: ftp: loaded support on port[0] = 21 [ 56.015205][ T7500] IPVS: ftp: loaded support on port[0] = 21 [ 56.026455][ T7494] IPVS: ftp: loaded support on port[0] = 21 [ 56.031166][ T7498] IPVS: ftp: loaded support on port[0] = 21 [ 56.038090][ T7502] IPVS: ftp: loaded support on port[0] = 21 [ 56.052409][ T7496] IPVS: ftp: loaded support on port[0] = 21 [ 56.224495][ T7498] chnl_net:caif_netlink_parms(): no params data found [ 56.237737][ T7500] chnl_net:caif_netlink_parms(): no params data found [ 56.320429][ T7500] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.327844][ T7500] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.335659][ T7500] device bridge_slave_0 entered promiscuous mode [ 56.343284][ T7497] chnl_net:caif_netlink_parms(): no params data found [ 56.377497][ T7500] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.385272][ T7500] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.393797][ T7500] device bridge_slave_1 entered promiscuous mode [ 56.425476][ T7502] chnl_net:caif_netlink_parms(): no params data found [ 56.445781][ T7500] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.458902][ T7498] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.466067][ T7498] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.474504][ T7498] device bridge_slave_0 entered promiscuous mode [ 56.486363][ T7498] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.493526][ T7498] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.501404][ T7498] device bridge_slave_1 entered promiscuous mode [ 56.508433][ T7496] chnl_net:caif_netlink_parms(): no params data found [ 56.517800][ T7500] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.547276][ T7500] team0: Port device team_slave_0 added [ 56.560761][ T7494] chnl_net:caif_netlink_parms(): no params data found [ 56.574800][ T7500] team0: Port device team_slave_1 added [ 56.608612][ T7496] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.615840][ T7496] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.623580][ T7496] device bridge_slave_0 entered promiscuous mode [ 56.637737][ T7498] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.649635][ T7498] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.667999][ T7496] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.675218][ T7496] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.682969][ T7496] device bridge_slave_1 entered promiscuous mode [ 56.689766][ T7502] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.697101][ T7502] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.704699][ T7502] device bridge_slave_0 entered promiscuous mode [ 56.717466][ T7502] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.724563][ T7502] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.732533][ T7502] device bridge_slave_1 entered promiscuous mode [ 56.739265][ T7497] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.747483][ T7497] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.755452][ T7497] device bridge_slave_0 entered promiscuous mode [ 56.767096][ T7497] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.774715][ T7497] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.782614][ T7497] device bridge_slave_1 entered promiscuous mode [ 56.798789][ T7498] team0: Port device team_slave_0 added [ 56.809187][ T7498] team0: Port device team_slave_1 added [ 56.827583][ T7496] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.851134][ T7497] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.902268][ T7500] device hsr_slave_0 entered promiscuous mode [ 56.940373][ T7500] device hsr_slave_1 entered promiscuous mode [ 56.986797][ T7502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.997776][ T7496] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.008222][ T7497] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.028629][ T7497] team0: Port device team_slave_0 added [ 57.034576][ T7494] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.042936][ T7494] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.050676][ T7494] device bridge_slave_0 entered promiscuous mode [ 57.058615][ T7502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.085198][ T7496] team0: Port device team_slave_0 added [ 57.092971][ T7497] team0: Port device team_slave_1 added [ 57.099148][ T7494] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.108384][ T7494] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.116429][ T7494] device bridge_slave_1 entered promiscuous mode [ 57.181777][ T7498] device hsr_slave_0 entered promiscuous mode [ 57.220360][ T7498] device hsr_slave_1 entered promiscuous mode [ 57.280183][ T7498] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.287892][ T7498] Cannot create hsr debugfs directory [ 57.294713][ T7496] team0: Port device team_slave_1 added [ 57.330506][ T7494] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.342056][ T7502] team0: Port device team_slave_0 added [ 57.348816][ T7494] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.421723][ T7497] device hsr_slave_0 entered promiscuous mode [ 57.460334][ T7497] device hsr_slave_1 entered promiscuous mode [ 57.500164][ T7497] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.507729][ T7497] Cannot create hsr debugfs directory [ 57.515523][ T7502] team0: Port device team_slave_1 added [ 57.572714][ T7496] device hsr_slave_0 entered promiscuous mode [ 57.620497][ T7496] device hsr_slave_1 entered promiscuous mode [ 57.680165][ T7496] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.687726][ T7496] Cannot create hsr debugfs directory [ 57.702673][ T7494] team0: Port device team_slave_0 added [ 57.722497][ T7494] team0: Port device team_slave_1 added [ 57.783930][ T7502] device hsr_slave_0 entered promiscuous mode [ 57.840945][ T7502] device hsr_slave_1 entered promiscuous mode [ 57.900262][ T7502] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 57.908272][ T7502] Cannot create hsr debugfs directory [ 57.982668][ T7494] device hsr_slave_0 entered promiscuous mode [ 58.040656][ T7494] device hsr_slave_1 entered promiscuous mode [ 58.090407][ T7494] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 58.097970][ T7494] Cannot create hsr debugfs directory [ 58.148064][ T7500] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.179251][ T7500] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.194873][ T7498] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.209631][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.218858][ T2721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.242309][ T7497] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.262271][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.269819][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.278132][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.287490][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.296078][ T2585] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.303203][ T2585] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.311987][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.320466][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.328698][ T2585] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.335751][ T2585] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.343618][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.351681][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.359603][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.380427][ T7497] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.387155][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.399145][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.407748][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.416206][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.424783][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.433527][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.443387][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.452598][ T7498] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.471206][ T7500] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.482383][ T7500] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.497364][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.506356][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.514966][ T2726] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.522029][ T2726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.529798][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.538243][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.546734][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.554988][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.563260][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.571872][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.580049][ T2726] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.587107][ T2726] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.596066][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.604114][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.611795][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.641848][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.651300][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.659622][ T2726] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.666714][ T2726] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.677316][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.687109][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.695577][ T2726] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.702633][ T2726] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.710215][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.718566][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.727208][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.735807][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.744387][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.752871][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.761402][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.769677][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.777989][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.786508][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.794881][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.803139][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.812054][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.819657][ T2726] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.834327][ T7496] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.844832][ T7502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.861793][ T7494] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.875445][ T7500] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.895463][ T7496] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.906926][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.915838][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.924361][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.932133][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.943046][ T7497] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.957416][ T7497] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.973643][ T7502] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.986045][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.999723][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.008231][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.019825][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.028024][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.035681][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.043641][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.052248][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.061243][ T3146] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.068309][ T3146] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.078108][ T7498] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.089598][ T7498] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.106118][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.115090][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.123485][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.133717][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.142354][ T2585] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.151293][ T2585] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.158320][ T2585] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.186680][ T7498] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.203447][ T7494] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.221456][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.230819][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.239037][ T3146] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.246097][ T3146] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.254495][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.262990][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.271514][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.279814][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.288006][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.295524][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.303315][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.312406][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.320902][ T3146] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.327920][ T3146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.335514][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.343823][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.351644][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.369057][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.377779][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.386780][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.397726][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.406304][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.418255][ T7497] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.455714][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.482535][ T7520] FAULT_INJECTION: forcing a failure. [ 59.482535][ T7520] name failslab, interval 1, probability 0, space 0, times 1 [ 59.486858][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.497014][ T7520] CPU: 0 PID: 7520 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 59.511737][ T7520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.513138][ T7524] FAULT_INJECTION: forcing a failure. [ 59.513138][ T7524] name failslab, interval 1, probability 0, space 0, times 1 [ 59.521784][ T7520] Call Trace: [ 59.521798][ T7520] dump_stack+0x12d/0x187 [ 59.521814][ T7520] should_fail.cold.4+0x5/0x13 [ 59.521824][ T7520] ? fault_create_debugfs_attr+0x150/0x150 [ 59.521836][ T7520] ? ___might_sleep+0x16b/0x2b0 [ 59.544764][ T3146] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.546959][ T7520] __should_failslab+0xba/0xf0 [ 59.552912][ T3146] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.557684][ T7520] should_failslab+0x9/0x14 [ 59.580328][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.581065][ T7520] __kmalloc+0x2eb/0x790 [ 59.581079][ T7520] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 59.581084][ T7520] ? kmem_cache_alloc+0x376/0x750 [ 59.589555][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.593363][ T7520] p9_fcall_init.isra.2+0x55/0x1c0 [ 59.593374][ T7520] p9_client_prepare_req.part.5+0x96/0x670 [ 59.593389][ T7520] p9_client_rpc+0x174/0xe50 [ 59.593402][ T7520] ? p9_client_prepare_req.part.5+0x670/0x670 [ 59.593414][ T7520] ? p9_pollwait+0x182/0x210 [ 59.616567][ T3146] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.616819][ T7520] ? pipe_poll+0xc2/0x6b0 [ 59.622655][ T3146] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.627191][ T7520] ? ksys_dup3+0x2e0/0x2e0 [ 59.650289][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.656286][ T7520] ? p9_fd_poll+0x19b/0x2a0 [ 59.670743][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.673166][ T7520] ? p9_conn_create+0x399/0x4e0 [ 59.685906][ T7520] ? p9_conn_create+0x4e0/0x4e0 [ 59.690763][ T7520] p9_client_create+0x7ec/0x10e0 [ 59.695165][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.695688][ T7520] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 59.709591][ T7520] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.713270][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.715122][ T7520] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.728955][ T7520] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.734592][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.734753][ T7520] ? __kmalloc_track_caller+0x60e/0x780 [ 59.748151][ T7520] ? __x64_sys_mount+0x169/0x1c0 [ 59.750706][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.753084][ T7520] ? do_syscall_64+0xd0/0x630 [ 59.753092][ T7520] ? lockdep_init_map+0x1b6/0x6c0 [ 59.770528][ T7520] v9fs_session_init+0x1ed/0x14c0 [ 59.774662][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.775533][ T7520] ? v9fs_session_init+0x1ed/0x14c0 [ 59.788492][ T7520] ? __lock_acquire+0x100f/0x4ef0 [ 59.790516][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.793501][ T7520] ? find_held_lock+0x36/0x1d0 [ 59.805937][ T7520] ? v9fs_show_options+0x6c0/0x6c0 [ 59.811022][ T7520] ? __kasan_check_read+0x11/0x20 [ 59.815297][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.816033][ T7520] ? v9fs_mount+0x55/0x7f0 [ 59.828290][ T7520] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.833810][ T7520] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.834612][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.839868][ T7520] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.839883][ T7520] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.858989][ T7520] ? apparmor_task_alloc+0x2f0/0x2f0 [ 59.860588][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.864264][ T7520] v9fs_mount+0x72/0x7f0 [ 59.864276][ T7520] ? v9fs_write_inode+0x50/0x50 [ 59.864286][ T7520] legacy_get_tree+0x103/0x1f0 [ 59.864300][ T7520] vfs_get_tree+0x8b/0x2d0 [ 59.887394][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.890358][ T7520] ? capable+0x14/0x20 [ 59.890371][ T7520] do_mount+0x1270/0x1b60 [ 59.890378][ T7520] ? lock_downgrade+0x900/0x900 [ 59.890390][ T7520] ? copy_mount_string+0x20/0x20 [ 59.890412][ T7520] ? __kasan_check_write+0x14/0x20 [ 59.903165][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.906562][ T7520] ? _copy_from_user+0xd6/0x110 [ 59.920555][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.921411][ T7520] __x64_sys_mount+0x169/0x1c0 [ 59.940365][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.941705][ T7520] do_syscall_64+0xd0/0x630 [ 59.941721][ T7520] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.941726][ T7520] RIP: 0033:0x458da9 [ 59.941733][ T7520] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.946900][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.953822][ T7520] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.953828][ T7520] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 59.953832][ T7520] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 59.953835][ T7520] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 59.953838][ T7520] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 59.953841][ T7520] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 60.048247][ T7524] CPU: 0 PID: 7524 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 60.049915][ T3146] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.056836][ T7524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.056840][ T7524] Call Trace: [ 60.056853][ T7524] dump_stack+0x12d/0x187 [ 60.056869][ T7524] should_fail.cold.4+0x5/0x13 [ 60.056881][ T7524] ? fault_create_debugfs_attr+0x150/0x150 [ 60.056893][ T7524] ? ___might_sleep+0x16b/0x2b0 [ 60.056907][ T7524] __should_failslab+0xba/0xf0 [ 60.056917][ T7524] should_failslab+0x9/0x14 [ 60.106243][ T7524] __kmalloc+0x2eb/0x790 [ 60.110495][ T7524] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 60.115748][ T7524] ? kmem_cache_alloc+0x376/0x750 [ 60.120788][ T7524] p9_fcall_init.isra.2+0x55/0x1c0 [ 60.125873][ T7524] p9_client_prepare_req.part.5+0x96/0x670 [ 60.131655][ T7524] p9_client_rpc+0x174/0xe50 [ 60.136228][ T7524] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.142278][ T7524] ? p9_pollwait+0x182/0x210 [ 60.146865][ T7524] ? pipe_poll+0xc2/0x6b0 [ 60.151167][ T7524] ? ksys_dup3+0x2e0/0x2e0 [ 60.155560][ T7524] ? p9_fd_poll+0x19b/0x2a0 [ 60.160038][ T7524] ? p9_conn_create+0x399/0x4e0 [ 60.164872][ T7524] ? p9_conn_create+0x4e0/0x4e0 [ 60.169705][ T7524] p9_client_create+0x7ec/0x10e0 [ 60.174628][ T7524] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.180666][ T7524] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.186183][ T7524] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.192226][ T7524] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.198043][ T7524] ? __kmalloc_track_caller+0x60e/0x780 [ 60.203582][ T7524] ? __x64_sys_mount+0x169/0x1c0 [ 60.208542][ T7524] ? do_syscall_64+0xd0/0x630 [ 60.213196][ T7524] ? lockdep_init_map+0x1b6/0x6c0 [ 60.218210][ T7524] v9fs_session_init+0x1ed/0x14c0 [ 60.223219][ T7524] ? v9fs_session_init+0x1ed/0x14c0 [ 60.228388][ T7524] ? __lock_acquire+0x100f/0x4ef0 [ 60.233387][ T7524] ? find_held_lock+0x36/0x1d0 [ 60.238128][ T7524] ? v9fs_show_options+0x6c0/0x6c0 [ 60.243228][ T7524] ? __kasan_check_read+0x11/0x20 [ 60.248248][ T7524] ? v9fs_mount+0x55/0x7f0 [ 60.252639][ T7524] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.258154][ T7524] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.264280][ T7524] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.270064][ T7524] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.275586][ T7524] ? apparmor_task_alloc+0x2f0/0x2f0 [ 60.280846][ T7524] v9fs_mount+0x72/0x7f0 [ 60.285074][ T7524] ? v9fs_write_inode+0x50/0x50 [ 60.289903][ T7524] legacy_get_tree+0x103/0x1f0 [ 60.294651][ T7524] vfs_get_tree+0x8b/0x2d0 [ 60.299044][ T7524] ? capable+0x14/0x20 [ 60.303092][ T7524] do_mount+0x1270/0x1b60 [ 60.307396][ T7524] ? lock_downgrade+0x900/0x900 [ 60.312352][ T7524] ? copy_mount_string+0x20/0x20 [ 60.317270][ T7524] ? __kasan_check_write+0x14/0x20 [ 60.322351][ T7524] ? _copy_from_user+0xd6/0x110 [ 60.327176][ T7524] __x64_sys_mount+0x169/0x1c0 [ 60.331922][ T7524] do_syscall_64+0xd0/0x630 [ 60.336410][ T7524] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.342276][ T7524] RIP: 0033:0x458da9 [ 60.346142][ T7524] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.365722][ T7524] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.374107][ T7524] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 60.382050][ T7524] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 60.390114][ T7524] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 60.398064][ T7524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 60.406010][ T7524] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 60.431068][ T7496] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.446140][ T7496] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.456359][ T7494] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.465690][ T7531] FAULT_INJECTION: forcing a failure. [ 60.465690][ T7531] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 60.478107][ T7494] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.479955][ T7531] CPU: 1 PID: 7531 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 60.479960][ T7531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.479963][ T7531] Call Trace: [ 60.479975][ T7531] dump_stack+0x12d/0x187 [ 60.479990][ T7531] should_fail.cold.4+0x5/0x13 [ 60.495336][ T7502] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.495641][ T7531] ? do_mount+0x1270/0x1b60 [ 60.506902][ T7502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.508957][ T7531] ? fault_create_debugfs_attr+0x150/0x150 [ 60.508969][ T7531] ? find_held_lock+0x36/0x1d0 [ 60.508983][ T7531] should_fail_alloc_page+0x50/0x60 [ 60.530715][ T7502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.532843][ T7531] __alloc_pages_nodemask+0x17f/0x890 [ 60.532851][ T7531] ? cache_grow_end+0xa8/0x190 [ 60.532863][ T7531] ? __alloc_pages_slowpath+0x2540/0x2540 [ 60.560066][ T7538] 9pnet: Insufficient options for proto=fd [ 60.562428][ T7531] ? do_raw_spin_lock+0x132/0x2e0 [ 60.562453][ T7531] cache_grow_begin+0x92/0xca0 [ 60.562458][ T7531] ? __kmalloc+0xc5/0x790 [ 60.562467][ T7531] ? trace_hardirqs_off+0x41/0x1a0 [ 60.562477][ T7531] __kmalloc+0x6cd/0x790 [ 60.562490][ T7531] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 60.562502][ T7531] p9_fcall_init.isra.2+0x55/0x1c0 [ 60.562513][ T7531] p9_client_prepare_req.part.5+0x116/0x670 [ 60.562527][ T7531] p9_client_rpc+0x174/0xe50 [ 60.562541][ T7531] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.562552][ T7531] ? p9_pollwait+0x182/0x210 [ 60.562565][ T7531] ? pipe_poll+0xc2/0x6b0 [ 60.562571][ T7531] ? ksys_dup3+0x2e0/0x2e0 [ 60.562581][ T7531] ? p9_fd_poll+0x19b/0x2a0 [ 60.562592][ T7531] ? p9_conn_create+0x399/0x4e0 [ 60.562604][ T7531] ? p9_conn_create+0x4e0/0x4e0 [ 60.595117][ T7543] FAULT_INJECTION: forcing a failure. [ 60.595117][ T7543] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 60.598289][ T7531] p9_client_create+0x7ec/0x10e0 [ 60.680621][ T7531] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.686690][ T7531] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.692213][ T7531] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.702421][ T7531] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.708209][ T7531] ? __kmalloc_track_caller+0x60e/0x780 [ 60.713729][ T7531] ? __x64_sys_mount+0x169/0x1c0 [ 60.718640][ T7531] ? do_syscall_64+0xd0/0x630 [ 60.723292][ T7531] ? lockdep_init_map+0x1b6/0x6c0 [ 60.728303][ T7531] v9fs_session_init+0x1ed/0x14c0 [ 60.733308][ T7531] ? v9fs_session_init+0x1ed/0x14c0 [ 60.738480][ T7531] ? __lock_acquire+0x100f/0x4ef0 [ 60.743484][ T7531] ? find_held_lock+0x36/0x1d0 [ 60.748229][ T7531] ? v9fs_show_options+0x6c0/0x6c0 [ 60.753313][ T7531] ? __kasan_check_read+0x11/0x20 [ 60.758315][ T7531] ? v9fs_mount+0x55/0x7f0 [ 60.762719][ T7531] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.768240][ T7531] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.774277][ T7531] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.780109][ T7531] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.785704][ T7531] ? apparmor_task_alloc+0x2f0/0x2f0 [ 60.790974][ T7531] v9fs_mount+0x72/0x7f0 [ 60.795213][ T7531] ? v9fs_write_inode+0x50/0x50 [ 60.800047][ T7531] legacy_get_tree+0x103/0x1f0 [ 60.804790][ T7531] vfs_get_tree+0x8b/0x2d0 [ 60.809196][ T7531] ? capable+0x14/0x20 [ 60.813243][ T7531] do_mount+0x1270/0x1b60 [ 60.817549][ T7531] ? lock_downgrade+0x900/0x900 [ 60.822380][ T7531] ? copy_mount_string+0x20/0x20 [ 60.827307][ T7531] ? __kasan_check_write+0x14/0x20 [ 60.832394][ T7531] ? _copy_from_user+0xd6/0x110 [ 60.837239][ T7531] __x64_sys_mount+0x169/0x1c0 [ 60.841985][ T7531] do_syscall_64+0xd0/0x630 [ 60.846484][ T7531] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.852350][ T7531] RIP: 0033:0x458da9 [ 60.856222][ T7531] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.875803][ T7531] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.884188][ T7531] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 60.892149][ T7531] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 60.900094][ T7531] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 60.908053][ T7531] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 60.916009][ T7531] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 60.923985][ T7543] CPU: 0 PID: 7543 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 60.928070][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.932571][ T7543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.932575][ T7543] Call Trace: [ 60.932587][ T7543] dump_stack+0x12d/0x187 [ 60.932602][ T7543] should_fail.cold.4+0x5/0x13 [ 60.932608][ T7543] ? do_mount+0x1270/0x1b60 [ 60.932617][ T7543] ? fault_create_debugfs_attr+0x150/0x150 [ 60.945389][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.950458][ T7543] ? find_held_lock+0x36/0x1d0 [ 60.950472][ T7543] should_fail_alloc_page+0x50/0x60 [ 60.950479][ T7543] __alloc_pages_nodemask+0x17f/0x890 [ 60.950486][ T7543] ? cache_grow_end+0xa8/0x190 [ 60.950494][ T7543] ? __alloc_pages_slowpath+0x2540/0x2540 [ 60.950501][ T7543] ? do_raw_spin_lock+0x132/0x2e0 [ 60.955781][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.958088][ T7543] cache_grow_begin+0x92/0xca0 [ 60.963473][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.967321][ T7543] ? __kmalloc+0xc5/0x790 [ 60.973755][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.980802][ T7543] ? trace_hardirqs_off+0x41/0x1a0 [ 60.980814][ T7543] __kmalloc+0x6cd/0x790 [ 60.980827][ T7543] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 60.980840][ T7543] p9_fcall_init.isra.2+0x55/0x1c0 [ 60.986581][ T3145] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.990761][ T7543] p9_client_prepare_req.part.5+0x116/0x670 [ 60.990777][ T7543] p9_client_rpc+0x174/0xe50 [ 60.990791][ T7543] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.990802][ T7543] ? p9_pollwait+0x182/0x210 [ 61.092241][ T7543] ? pipe_poll+0xc2/0x6b0 [ 61.096578][ T7543] ? ksys_dup3+0x2e0/0x2e0 [ 61.100988][ T7543] ? p9_fd_poll+0x19b/0x2a0 [ 61.105463][ T7543] ? p9_conn_create+0x399/0x4e0 [ 61.110303][ T7543] ? p9_conn_create+0x4e0/0x4e0 [ 61.115143][ T7543] p9_client_create+0x7ec/0x10e0 [ 61.120058][ T7543] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 61.126101][ T7543] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.131627][ T7543] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.137664][ T7543] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.143447][ T7543] ? __kmalloc_track_caller+0x60e/0x780 [ 61.148965][ T7543] ? __x64_sys_mount+0x169/0x1c0 [ 61.153873][ T7543] ? do_syscall_64+0xd0/0x630 [ 61.158519][ T7543] ? lockdep_init_map+0x1b6/0x6c0 [ 61.163522][ T7543] v9fs_session_init+0x1ed/0x14c0 [ 61.168514][ T7543] ? v9fs_session_init+0x1ed/0x14c0 [ 61.173782][ T7543] ? __lock_acquire+0x100f/0x4ef0 [ 61.178775][ T7543] ? find_held_lock+0x36/0x1d0 [ 61.183525][ T7543] ? v9fs_show_options+0x6c0/0x6c0 [ 61.188605][ T7543] ? __kasan_check_read+0x11/0x20 [ 61.193600][ T7543] ? v9fs_mount+0x55/0x7f0 [ 61.197986][ T7543] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.203502][ T7543] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.209550][ T7543] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.215336][ T7543] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.220859][ T7543] ? apparmor_task_alloc+0x2f0/0x2f0 [ 61.226123][ T7543] v9fs_mount+0x72/0x7f0 [ 61.230342][ T7543] ? v9fs_write_inode+0x50/0x50 [ 61.235203][ T7543] legacy_get_tree+0x103/0x1f0 [ 61.239955][ T7543] vfs_get_tree+0x8b/0x2d0 [ 61.244344][ T7543] ? capable+0x14/0x20 [ 61.248388][ T7543] do_mount+0x1270/0x1b60 [ 61.252690][ T7543] ? lock_downgrade+0x900/0x900 [ 61.257516][ T7543] ? copy_mount_string+0x20/0x20 [ 61.262475][ T7543] ? __kasan_check_write+0x14/0x20 [ 61.267616][ T7543] ? _copy_from_user+0xd6/0x110 [ 61.272460][ T7543] __x64_sys_mount+0x169/0x1c0 [ 61.277211][ T7543] do_syscall_64+0xd0/0x630 [ 61.281692][ T7543] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.287554][ T7543] RIP: 0033:0x458da9 [ 61.291421][ T7543] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.311002][ T7543] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.319386][ T7543] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 61.327348][ T7543] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 2020/03/22 08:53:38 executed programs: 9 [ 61.335293][ T7543] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 61.343253][ T7543] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 61.351198][ T7543] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 61.389124][ T7496] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.418733][ T7547] FAULT_INJECTION: forcing a failure. [ 61.418733][ T7547] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 61.431948][ T7547] CPU: 1 PID: 7547 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 61.439107][ T7494] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.440516][ T7547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.440521][ T7547] Call Trace: [ 61.440533][ T7547] dump_stack+0x12d/0x187 [ 61.440549][ T7547] should_fail.cold.4+0x5/0x13 [ 61.440555][ T7547] ? kmem_cache_alloc+0x121/0x750 [ 61.440564][ T7547] ? fault_create_debugfs_attr+0x150/0x150 [ 61.440571][ T7547] ? vfs_get_tree+0x8b/0x2d0 [ 61.440578][ T7547] ? do_mount+0x1270/0x1b60 [ 61.440583][ T7547] ? __x64_sys_mount+0x169/0x1c0 [ 61.440589][ T7547] ? do_syscall_64+0xd0/0x630 [ 61.440596][ T7547] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.440613][ T7547] should_fail_alloc_page+0x50/0x60 [ 61.440619][ T7547] __alloc_pages_nodemask+0x17f/0x890 [ 61.440629][ T7547] ? __alloc_pages_slowpath+0x2540/0x2540 [ 61.440652][ T7547] cache_grow_begin+0x92/0xca0 [ 61.440656][ T7547] ? __kmalloc+0xc5/0x790 [ 61.440665][ T7547] ? trace_hardirqs_off+0x41/0x1a0 [ 61.440675][ T7547] __kmalloc+0x6cd/0x790 [ 61.440687][ T7547] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 61.440699][ T7547] p9_fcall_init.isra.2+0x55/0x1c0 [ 61.440709][ T7547] p9_client_prepare_req.part.5+0x96/0x670 [ 61.440725][ T7547] p9_client_rpc+0x174/0xe50 [ 61.440740][ T7547] ? p9_client_prepare_req.part.5+0x670/0x670 [ 61.440752][ T7547] ? p9_pollwait+0x182/0x210 [ 61.440764][ T7547] ? pipe_poll+0xc2/0x6b0 [ 61.440770][ T7547] ? ksys_dup3+0x2e0/0x2e0 [ 61.440780][ T7547] ? p9_fd_poll+0x19b/0x2a0 [ 61.440790][ T7547] ? p9_conn_create+0x399/0x4e0 [ 61.440803][ T7547] ? p9_conn_create+0x4e0/0x4e0 [ 61.440822][ T7547] p9_client_create+0x7ec/0x10e0 [ 61.440841][ T7547] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 61.440848][ T7547] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.440855][ T7547] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.440860][ T7547] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.440875][ T7547] ? __kmalloc_track_caller+0x60e/0x780 [ 61.440882][ T7547] ? __x64_sys_mount+0x169/0x1c0 [ 61.440887][ T7547] ? do_syscall_64+0xd0/0x630 [ 61.440892][ T7547] ? lockdep_init_map+0x1b6/0x6c0 [ 61.440913][ T7547] v9fs_session_init+0x1ed/0x14c0 [ 61.440919][ T7547] ? v9fs_session_init+0x1ed/0x14c0 [ 61.440934][ T7547] ? cache_grow_end+0xa8/0x190 [ 61.440940][ T7547] ? lock_downgrade+0x900/0x900 [ 61.440945][ T7547] ? __kasan_check_write+0x14/0x20 [ 61.440953][ T7547] ? v9fs_show_options+0x6c0/0x6c0 [ 61.440958][ T7547] ? __kasan_check_read+0x11/0x20 [ 61.440970][ T7547] ? v9fs_mount+0x55/0x7f0 [ 61.440977][ T7547] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.440984][ T7547] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.440989][ T7547] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.441002][ T7547] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.441021][ T7547] v9fs_mount+0x72/0x7f0 [ 61.441033][ T7547] ? v9fs_write_inode+0x50/0x50 [ 61.441042][ T7547] legacy_get_tree+0x103/0x1f0 [ 61.441054][ T7547] vfs_get_tree+0x8b/0x2d0 [ 61.441066][ T7547] ? capable+0x14/0x20 [ 61.441076][ T7547] do_mount+0x1270/0x1b60 [ 61.441080][ T7547] ? lock_downgrade+0x900/0x900 [ 61.441093][ T7547] ? copy_mount_string+0x20/0x20 [ 61.441115][ T7547] ? __kasan_check_write+0x14/0x20 [ 61.441123][ T7547] ? _copy_from_user+0xd6/0x110 [ 61.441140][ T7547] __x64_sys_mount+0x169/0x1c0 [ 61.441152][ T7547] do_syscall_64+0xd0/0x630 [ 61.441164][ T7547] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.441170][ T7547] RIP: 0033:0x458da9 [ 61.441176][ T7547] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.441179][ T7547] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.441185][ T7547] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 61.441189][ T7547] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 61.441192][ T7547] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 61.441195][ T7547] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 61.441199][ T7547] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 61.573746][ T7558] FAULT_INJECTION: forcing a failure. [ 61.573746][ T7558] name failslab, interval 1, probability 0, space 0, times 0 [ 61.583282][ T7559] FAULT_INJECTION: forcing a failure. [ 61.583282][ T7559] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 61.596542][ T7562] FAULT_INJECTION: forcing a failure. [ 61.596542][ T7562] name failslab, interval 1, probability 0, space 0, times 0 [ 61.600519][ T7559] CPU: 0 PID: 7559 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 61.600524][ T7559] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.600527][ T7559] Call Trace: [ 61.600538][ T7559] dump_stack+0x12d/0x187 [ 61.600553][ T7559] should_fail.cold.4+0x5/0x13 [ 61.600559][ T7559] ? do_mount+0x1270/0x1b60 [ 61.600571][ T7559] ? fault_create_debugfs_attr+0x150/0x150 [ 61.918858][ T7559] ? find_held_lock+0x36/0x1d0 [ 61.923604][ T7559] should_fail_alloc_page+0x50/0x60 [ 61.928783][ T7559] __alloc_pages_nodemask+0x17f/0x890 [ 61.934133][ T7559] ? cache_grow_end+0xa8/0x190 [ 61.938874][ T7559] ? __alloc_pages_slowpath+0x2540/0x2540 [ 61.944564][ T7559] ? do_raw_spin_lock+0x132/0x2e0 [ 61.949575][ T7559] cache_grow_begin+0x92/0xca0 [ 61.954313][ T7559] ? __kmalloc+0xc5/0x790 [ 61.958635][ T7559] ? trace_hardirqs_off+0x41/0x1a0 [ 61.963723][ T7559] __kmalloc+0x6cd/0x790 [ 61.967964][ T7559] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 61.973346][ T7559] p9_fcall_init.isra.2+0x55/0x1c0 [ 61.978466][ T7559] p9_client_prepare_req.part.5+0x116/0x670 [ 61.984361][ T7559] p9_client_rpc+0x174/0xe50 [ 61.988939][ T7559] ? p9_client_prepare_req.part.5+0x670/0x670 [ 61.994985][ T7559] ? p9_pollwait+0x182/0x210 [ 61.999561][ T7559] ? pipe_poll+0xc2/0x6b0 [ 62.003961][ T7559] ? ksys_dup3+0x2e0/0x2e0 [ 62.008368][ T7559] ? p9_fd_poll+0x19b/0x2a0 [ 62.012857][ T7559] ? p9_conn_create+0x399/0x4e0 [ 62.017689][ T7559] ? p9_conn_create+0x4e0/0x4e0 [ 62.022526][ T7559] p9_client_create+0x7ec/0x10e0 [ 62.027448][ T7559] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 62.033492][ T7559] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.039013][ T7559] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.045071][ T7559] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.050865][ T7559] ? __kmalloc_track_caller+0x60e/0x780 [ 62.056389][ T7559] ? __x64_sys_mount+0x169/0x1c0 [ 62.061298][ T7559] ? lockdep_init_map+0x1b6/0x6c0 [ 62.066306][ T7559] v9fs_session_init+0x1ed/0x14c0 [ 62.071303][ T7559] ? v9fs_session_init+0x1ed/0x14c0 [ 62.076489][ T7559] ? __lock_acquire+0x100f/0x4ef0 [ 62.081489][ T7559] ? find_held_lock+0x36/0x1d0 [ 62.086237][ T7559] ? v9fs_show_options+0x6c0/0x6c0 [ 62.091319][ T7559] ? __kasan_check_read+0x11/0x20 [ 62.096320][ T7559] ? v9fs_mount+0x55/0x7f0 [ 62.100711][ T7559] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.106241][ T7559] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.112288][ T7559] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.118077][ T7559] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.123602][ T7559] ? apparmor_task_alloc+0x2f0/0x2f0 [ 62.128870][ T7559] v9fs_mount+0x72/0x7f0 [ 62.133095][ T7559] ? v9fs_write_inode+0x50/0x50 [ 62.137926][ T7559] legacy_get_tree+0x103/0x1f0 [ 62.142672][ T7559] vfs_get_tree+0x8b/0x2d0 [ 62.147065][ T7559] ? capable+0x14/0x20 [ 62.151114][ T7559] do_mount+0x1270/0x1b60 [ 62.155440][ T7559] ? lock_downgrade+0x900/0x900 [ 62.160269][ T7559] ? copy_mount_string+0x20/0x20 [ 62.165202][ T7559] ? __kasan_check_write+0x14/0x20 [ 62.170299][ T7559] ? _copy_from_user+0xd6/0x110 [ 62.175152][ T7559] __x64_sys_mount+0x169/0x1c0 [ 62.179896][ T7559] do_syscall_64+0xd0/0x630 [ 62.184383][ T7559] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.190255][ T7559] RIP: 0033:0x458da9 [ 62.194143][ T7559] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.213741][ T7559] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.222142][ T7559] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 62.230093][ T7559] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.238043][ T7559] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 62.245992][ T7559] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 62.253954][ T7559] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.261922][ T7558] CPU: 1 PID: 7558 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 62.270532][ T7558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.280577][ T7558] Call Trace: [ 62.283856][ T7558] dump_stack+0x12d/0x187 [ 62.288168][ T7558] should_fail.cold.4+0x5/0x13 [ 62.292908][ T7558] ? fault_create_debugfs_attr+0x150/0x150 [ 62.298715][ T7558] ? ___might_sleep+0x16b/0x2b0 [ 62.303559][ T7558] __should_failslab+0xba/0xf0 [ 62.308298][ T7558] should_failslab+0x9/0x14 [ 62.312779][ T7558] __kmalloc+0x2eb/0x790 [ 62.317015][ T7558] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 62.322283][ T7558] p9_fcall_init.isra.2+0x55/0x1c0 [ 62.327378][ T7558] p9_client_prepare_req.part.5+0x116/0x670 [ 62.333253][ T7558] p9_client_rpc+0x174/0xe50 [ 62.337842][ T7558] ? p9_client_prepare_req.part.5+0x670/0x670 [ 62.343888][ T7558] ? p9_pollwait+0x182/0x210 [ 62.348474][ T7558] ? pipe_poll+0xc2/0x6b0 [ 62.352814][ T7558] ? ksys_dup3+0x2e0/0x2e0 [ 62.357216][ T7558] ? p9_fd_poll+0x19b/0x2a0 [ 62.361703][ T7558] ? p9_conn_create+0x399/0x4e0 [ 62.366542][ T7558] ? p9_conn_create+0x4e0/0x4e0 [ 62.371382][ T7558] p9_client_create+0x7ec/0x10e0 [ 62.376308][ T7558] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 62.382351][ T7558] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.387874][ T7558] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.393941][ T7558] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.399745][ T7558] ? __kmalloc_track_caller+0x60e/0x780 [ 62.405267][ T7558] ? __x64_sys_mount+0x169/0x1c0 [ 62.410177][ T7558] ? do_syscall_64+0xd0/0x630 [ 62.414828][ T7558] ? lockdep_init_map+0x1b6/0x6c0 [ 62.419837][ T7558] v9fs_session_init+0x1ed/0x14c0 [ 62.424838][ T7558] ? v9fs_session_init+0x1ed/0x14c0 [ 62.430026][ T7558] ? __lock_acquire+0x100f/0x4ef0 [ 62.435041][ T7558] ? find_held_lock+0x36/0x1d0 [ 62.439797][ T7558] ? v9fs_show_options+0x6c0/0x6c0 [ 62.444898][ T7558] ? __kasan_check_read+0x11/0x20 [ 62.449901][ T7558] ? v9fs_mount+0x55/0x7f0 [ 62.454408][ T7558] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.459946][ T7558] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.466001][ T7558] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.471792][ T7558] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.477325][ T7558] ? apparmor_task_alloc+0x2f0/0x2f0 [ 62.482686][ T7558] v9fs_mount+0x72/0x7f0 [ 62.486912][ T7558] ? v9fs_write_inode+0x50/0x50 [ 62.491745][ T7558] legacy_get_tree+0x103/0x1f0 [ 62.496495][ T7558] vfs_get_tree+0x8b/0x2d0 [ 62.500888][ T7558] ? capable+0x14/0x20 [ 62.504937][ T7558] do_mount+0x1270/0x1b60 [ 62.509243][ T7558] ? lock_downgrade+0x900/0x900 [ 62.514076][ T7558] ? copy_mount_string+0x20/0x20 [ 62.519023][ T7558] ? __kasan_check_write+0x14/0x20 [ 62.524117][ T7558] ? _copy_from_user+0xd6/0x110 [ 62.528956][ T7558] __x64_sys_mount+0x169/0x1c0 [ 62.533709][ T7558] do_syscall_64+0xd0/0x630 [ 62.538199][ T7558] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.544070][ T7558] RIP: 0033:0x458da9 [ 62.547954][ T7558] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.567533][ T7558] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.575918][ T7558] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 62.583879][ T7558] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.591829][ T7558] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 62.599787][ T7558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 62.607747][ T7558] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.615719][ T7562] CPU: 0 PID: 7562 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 62.624299][ T7562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.634344][ T7562] Call Trace: [ 62.637647][ T7562] dump_stack+0x12d/0x187 [ 62.641976][ T7562] should_fail.cold.4+0x5/0x13 [ 62.643953][ T7569] FAULT_INJECTION: forcing a failure. [ 62.643953][ T7569] name failslab, interval 1, probability 0, space 0, times 0 [ 62.646735][ T7562] ? fault_create_debugfs_attr+0x150/0x150 [ 62.646747][ T7562] ? ___might_sleep+0x16b/0x2b0 [ 62.646761][ T7562] __should_failslab+0xba/0xf0 [ 62.674677][ T7562] should_failslab+0x9/0x14 [ 62.679175][ T7562] __kmalloc+0x2eb/0x790 [ 62.683415][ T7562] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 62.688695][ T7562] p9_fcall_init.isra.2+0x55/0x1c0 [ 62.693802][ T7562] p9_client_prepare_req.part.5+0x116/0x670 [ 62.699782][ T7562] p9_client_rpc+0x174/0xe50 [ 62.704374][ T7562] ? p9_client_prepare_req.part.5+0x670/0x670 [ 62.710446][ T7562] ? p9_pollwait+0x182/0x210 [ 62.715030][ T7562] ? pipe_poll+0xc2/0x6b0 [ 62.719353][ T7562] ? ksys_dup3+0x2e0/0x2e0 [ 62.723879][ T7562] ? p9_fd_poll+0x19b/0x2a0 [ 62.728372][ T7562] ? p9_conn_create+0x399/0x4e0 [ 62.733208][ T7562] ? p9_conn_create+0x4e0/0x4e0 [ 62.738047][ T7562] p9_client_create+0x7ec/0x10e0 [ 62.742977][ T7562] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 62.749023][ T7562] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.754567][ T7562] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.760612][ T7562] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.766403][ T7562] ? __kmalloc_track_caller+0x60e/0x780 [ 62.771928][ T7562] ? __x64_sys_mount+0x169/0x1c0 [ 62.776846][ T7562] ? do_syscall_64+0xd0/0x630 [ 62.781500][ T7562] ? lockdep_init_map+0x1b6/0x6c0 [ 62.786510][ T7562] v9fs_session_init+0x1ed/0x14c0 [ 62.791510][ T7562] ? v9fs_session_init+0x1ed/0x14c0 [ 62.796681][ T7562] ? __lock_acquire+0x100f/0x4ef0 [ 62.801686][ T7562] ? find_held_lock+0x36/0x1d0 [ 62.806433][ T7562] ? v9fs_show_options+0x6c0/0x6c0 [ 62.811521][ T7562] ? __kasan_check_read+0x11/0x20 [ 62.816536][ T7562] ? v9fs_mount+0x55/0x7f0 [ 62.820930][ T7562] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.826564][ T7562] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.832607][ T7562] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.838396][ T7562] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.843922][ T7562] ? apparmor_task_alloc+0x2f0/0x2f0 [ 62.849207][ T7562] v9fs_mount+0x72/0x7f0 [ 62.853430][ T7562] ? v9fs_write_inode+0x50/0x50 [ 62.858258][ T7562] legacy_get_tree+0x103/0x1f0 [ 62.863001][ T7562] vfs_get_tree+0x8b/0x2d0 [ 62.867394][ T7562] ? capable+0x14/0x20 [ 62.871457][ T7562] do_mount+0x1270/0x1b60 [ 62.875761][ T7562] ? lock_downgrade+0x900/0x900 [ 62.880593][ T7562] ? copy_mount_string+0x20/0x20 [ 62.885530][ T7562] ? __kasan_check_write+0x14/0x20 [ 62.890629][ T7562] ? _copy_from_user+0xd6/0x110 [ 62.895461][ T7562] __x64_sys_mount+0x169/0x1c0 [ 62.900207][ T7562] do_syscall_64+0xd0/0x630 [ 62.904702][ T7562] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.910675][ T7562] RIP: 0033:0x458da9 [ 62.914546][ T7562] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.934147][ T7562] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.942536][ T7562] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 62.950486][ T7562] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.958432][ T7562] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 62.966379][ T7562] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 62.974431][ T7562] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.982401][ T7569] CPU: 1 PID: 7569 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 62.990990][ T7569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.001038][ T7569] Call Trace: [ 63.004320][ T7569] dump_stack+0x12d/0x187 [ 63.008643][ T7569] should_fail.cold.4+0x5/0x13 [ 63.013405][ T7569] ? fault_create_debugfs_attr+0x150/0x150 [ 63.019200][ T7569] ? ___might_sleep+0x16b/0x2b0 [ 63.024043][ T7569] __should_failslab+0xba/0xf0 [ 63.028799][ T7569] should_failslab+0x9/0x14 [ 63.033293][ T7569] __kmalloc+0x2eb/0x790 [ 63.037536][ T7569] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 63.042811][ T7569] ? kmem_cache_alloc+0x376/0x750 [ 63.047825][ T7569] p9_fcall_init.isra.2+0x55/0x1c0 [ 63.052929][ T7569] p9_client_prepare_req.part.5+0x96/0x670 [ 63.058720][ T7569] p9_client_rpc+0x174/0xe50 [ 63.063287][ T7569] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.069332][ T7569] ? p9_pollwait+0x182/0x210 [ 63.073911][ T7569] ? pipe_poll+0xc2/0x6b0 [ 63.078229][ T7569] ? ksys_dup3+0x2e0/0x2e0 [ 63.082623][ T7569] ? p9_fd_poll+0x19b/0x2a0 [ 63.087111][ T7569] ? p9_conn_create+0x399/0x4e0 [ 63.091940][ T7569] ? p9_conn_create+0x4e0/0x4e0 [ 63.096787][ T7569] p9_client_create+0x7ec/0x10e0 [ 63.101718][ T7569] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.107794][ T7569] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.113310][ T7569] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.119362][ T7569] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.125144][ T7569] ? __kmalloc_track_caller+0x60e/0x780 [ 63.130660][ T7569] ? __x64_sys_mount+0x169/0x1c0 [ 63.135567][ T7569] ? do_syscall_64+0xd0/0x630 [ 63.140214][ T7569] ? lockdep_init_map+0x1b6/0x6c0 [ 63.145217][ T7569] v9fs_session_init+0x1ed/0x14c0 [ 63.150217][ T7569] ? v9fs_session_init+0x1ed/0x14c0 [ 63.155407][ T7569] ? cache_grow_end+0xa8/0x190 [ 63.160160][ T7569] ? lock_downgrade+0x900/0x900 [ 63.164987][ T7569] ? __kasan_check_write+0x14/0x20 [ 63.170071][ T7569] ? v9fs_show_options+0x6c0/0x6c0 [ 63.175163][ T7569] ? __kasan_check_read+0x11/0x20 [ 63.180181][ T7569] ? v9fs_mount+0x55/0x7f0 [ 63.184582][ T7569] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.190111][ T7569] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.196160][ T7569] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.201958][ T7569] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.207499][ T7569] v9fs_mount+0x72/0x7f0 [ 63.211716][ T7569] ? v9fs_write_inode+0x50/0x50 [ 63.216544][ T7569] legacy_get_tree+0x103/0x1f0 [ 63.221282][ T7569] vfs_get_tree+0x8b/0x2d0 [ 63.225672][ T7569] ? capable+0x14/0x20 [ 63.229730][ T7569] do_mount+0x1270/0x1b60 [ 63.234039][ T7569] ? lock_downgrade+0x900/0x900 [ 63.238870][ T7569] ? copy_mount_string+0x20/0x20 [ 63.243816][ T7569] ? __kasan_check_write+0x14/0x20 [ 63.248921][ T7569] ? _copy_from_user+0xd6/0x110 [ 63.253754][ T7569] __x64_sys_mount+0x169/0x1c0 [ 63.258493][ T7569] do_syscall_64+0xd0/0x630 [ 63.262974][ T7569] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.268844][ T7569] RIP: 0033:0x458da9 [ 63.272724][ T7569] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.292298][ T7569] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.300676][ T7569] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 63.308619][ T7569] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 63.316567][ T7569] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 63.324515][ T7569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 63.332463][ T7569] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 63.392232][ T7580] FAULT_INJECTION: forcing a failure. [ 63.392232][ T7580] name failslab, interval 1, probability 0, space 0, times 0 [ 63.404978][ T7580] CPU: 0 PID: 7580 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 63.413551][ T7580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.423595][ T7580] Call Trace: [ 63.426887][ T7580] dump_stack+0x12d/0x187 [ 63.428525][ T7584] FAULT_INJECTION: forcing a failure. [ 63.428525][ T7584] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 63.431220][ T7580] should_fail.cold.4+0x5/0x13 [ 63.449314][ T7580] ? stack_trace_save+0x82/0xb0 [ 63.454150][ T7580] ? fault_create_debugfs_attr+0x150/0x150 [ 63.459944][ T7580] __should_failslab+0xba/0xf0 [ 63.464688][ T7580] should_failslab+0x9/0x14 [ 63.469167][ T7580] kmem_cache_alloc+0x47/0x750 [ 63.473910][ T7580] ? __x64_sys_mount+0x169/0x1c0 [ 63.478833][ T7580] ? do_syscall_64+0xd0/0x630 [ 63.483495][ T7580] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 63.489883][ T7580] ? __kasan_check_read+0x11/0x20 [ 63.494884][ T7580] idr_get_free+0x35d/0x880 [ 63.501193][ T7580] ? __kasan_check_read+0x11/0x20 [ 63.506200][ T7580] idr_alloc_u32+0x13a/0x330 [ 63.510773][ T7580] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 63.516307][ T7580] ? mark_held_locks+0x130/0x130 [ 63.521241][ T7580] ? __kasan_check_write+0x14/0x20 [ 63.526339][ T7580] ? do_raw_spin_lock+0x132/0x2e0 [ 63.531343][ T7580] idr_alloc+0x7d/0xc0 [ 63.535393][ T7580] ? idr_alloc_u32+0x330/0x330 [ 63.540144][ T7580] p9_client_prepare_req.part.5+0x571/0x670 [ 63.546023][ T7580] p9_client_rpc+0x174/0xe50 [ 63.550602][ T7580] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.556652][ T7580] ? p9_pollwait+0x182/0x210 [ 63.561245][ T7580] ? pipe_poll+0xc2/0x6b0 [ 63.565554][ T7580] ? ksys_dup3+0x2e0/0x2e0 [ 63.569953][ T7580] ? p9_fd_poll+0x19b/0x2a0 [ 63.574439][ T7580] ? p9_conn_create+0x399/0x4e0 [ 63.579274][ T7580] ? p9_conn_create+0x4e0/0x4e0 [ 63.584138][ T7580] p9_client_create+0x7ec/0x10e0 [ 63.589062][ T7580] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.595118][ T7580] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.600639][ T7580] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.606680][ T7580] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.612572][ T7580] ? __kmalloc_track_caller+0x60e/0x780 [ 63.618092][ T7580] ? __x64_sys_mount+0x169/0x1c0 [ 63.623003][ T7580] ? do_syscall_64+0xd0/0x630 [ 63.627660][ T7580] ? lockdep_init_map+0x1b6/0x6c0 [ 63.632676][ T7580] v9fs_session_init+0x1ed/0x14c0 [ 63.637676][ T7580] ? v9fs_session_init+0x1ed/0x14c0 [ 63.642846][ T7580] ? __lock_acquire+0x100f/0x4ef0 [ 63.647850][ T7580] ? find_held_lock+0x36/0x1d0 [ 63.652600][ T7580] ? v9fs_show_options+0x6c0/0x6c0 [ 63.657700][ T7580] ? __kasan_check_read+0x11/0x20 [ 63.662736][ T7580] ? v9fs_mount+0x55/0x7f0 [ 63.667143][ T7580] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.672674][ T7580] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.678722][ T7580] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.684511][ T7580] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.690059][ T7580] ? apparmor_task_alloc+0x2f0/0x2f0 [ 63.695325][ T7580] v9fs_mount+0x72/0x7f0 [ 63.699549][ T7580] ? v9fs_write_inode+0x50/0x50 [ 63.704376][ T7580] legacy_get_tree+0x103/0x1f0 [ 63.709119][ T7580] vfs_get_tree+0x8b/0x2d0 [ 63.713511][ T7580] ? capable+0x14/0x20 [ 63.717558][ T7580] do_mount+0x1270/0x1b60 [ 63.721862][ T7580] ? lock_downgrade+0x900/0x900 [ 63.726782][ T7580] ? copy_mount_string+0x20/0x20 [ 63.731970][ T7580] ? __kasan_check_write+0x14/0x20 [ 63.737056][ T7580] ? _copy_from_user+0xd6/0x110 [ 63.741891][ T7580] __x64_sys_mount+0x169/0x1c0 [ 63.746641][ T7580] do_syscall_64+0xd0/0x630 [ 63.751124][ T7580] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.756990][ T7580] RIP: 0033:0x458da9 [ 63.760862][ T7580] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.780438][ T7580] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.788833][ T7580] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 63.796792][ T7580] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 63.804744][ T7580] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 63.812691][ T7580] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 63.820649][ T7580] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 63.828624][ T7584] CPU: 1 PID: 7584 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 63.837206][ T7584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.842739][ T7586] FAULT_INJECTION: forcing a failure. [ 63.842739][ T7586] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 63.847359][ T7584] Call Trace: [ 63.863827][ T7584] dump_stack+0x12d/0x187 [ 63.868141][ T7584] should_fail.cold.4+0x5/0x13 [ 63.872891][ T7584] ? do_mount+0x1270/0x1b60 [ 63.877372][ T7584] ? fault_create_debugfs_attr+0x150/0x150 [ 63.883155][ T7584] ? find_held_lock+0x36/0x1d0 [ 63.887913][ T7584] should_fail_alloc_page+0x50/0x60 [ 63.893101][ T7584] __alloc_pages_nodemask+0x17f/0x890 [ 63.898454][ T7584] ? cache_grow_end+0xa8/0x190 [ 63.903208][ T7584] ? __alloc_pages_slowpath+0x2540/0x2540 [ 63.908905][ T7584] ? do_raw_spin_lock+0x132/0x2e0 [ 63.913920][ T7584] cache_grow_begin+0x92/0xca0 [ 63.918670][ T7584] ? __kmalloc+0xc5/0x790 [ 63.922982][ T7584] ? trace_hardirqs_off+0x41/0x1a0 [ 63.928076][ T7584] __kmalloc+0x6cd/0x790 [ 63.932321][ T7584] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 63.937814][ T7584] p9_fcall_init.isra.2+0x55/0x1c0 [ 63.942930][ T7584] p9_client_prepare_req.part.5+0x116/0x670 [ 63.948831][ T7584] p9_client_rpc+0x174/0xe50 [ 63.953416][ T7584] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.959486][ T7584] ? p9_pollwait+0x182/0x210 [ 63.964057][ T7584] ? pipe_poll+0xc2/0x6b0 [ 63.968388][ T7584] ? ksys_dup3+0x2e0/0x2e0 [ 63.972786][ T7584] ? p9_fd_poll+0x19b/0x2a0 [ 63.977286][ T7584] ? p9_conn_create+0x399/0x4e0 [ 63.982135][ T7584] ? p9_conn_create+0x4e0/0x4e0 [ 63.986977][ T7584] p9_client_create+0x7ec/0x10e0 [ 63.991906][ T7584] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.997953][ T7584] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.003479][ T7584] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.009524][ T7584] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.015316][ T7584] ? __kmalloc_track_caller+0x60e/0x780 [ 64.020849][ T7584] ? __x64_sys_mount+0x169/0x1c0 [ 64.025765][ T7584] ? do_syscall_64+0xd0/0x630 [ 64.030419][ T7584] ? lockdep_init_map+0x1b6/0x6c0 [ 64.035436][ T7584] v9fs_session_init+0x1ed/0x14c0 [ 64.040439][ T7584] ? v9fs_session_init+0x1ed/0x14c0 [ 64.045621][ T7584] ? cache_grow_end+0xa8/0x190 [ 64.050361][ T7584] ? lock_downgrade+0x900/0x900 [ 64.055187][ T7584] ? __kasan_check_write+0x14/0x20 [ 64.060275][ T7584] ? v9fs_show_options+0x6c0/0x6c0 [ 64.065363][ T7584] ? __kasan_check_read+0x11/0x20 [ 64.070366][ T7584] ? v9fs_mount+0x55/0x7f0 [ 64.074761][ T7584] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.080295][ T7584] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.086341][ T7584] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.092129][ T7584] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.097657][ T7584] v9fs_mount+0x72/0x7f0 [ 64.101879][ T7584] ? v9fs_write_inode+0x50/0x50 [ 64.106705][ T7584] legacy_get_tree+0x103/0x1f0 [ 64.111453][ T7584] vfs_get_tree+0x8b/0x2d0 [ 64.115867][ T7584] ? capable+0x14/0x20 [ 64.119930][ T7584] do_mount+0x1270/0x1b60 [ 64.124242][ T7584] ? lock_downgrade+0x900/0x900 [ 64.129086][ T7584] ? copy_mount_string+0x20/0x20 [ 64.134017][ T7584] ? __kasan_check_write+0x14/0x20 [ 64.139117][ T7584] ? _copy_from_user+0xd6/0x110 [ 64.143953][ T7584] __x64_sys_mount+0x169/0x1c0 [ 64.148703][ T7584] do_syscall_64+0xd0/0x630 [ 64.153201][ T7584] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.159156][ T7584] RIP: 0033:0x458da9 [ 64.163027][ T7584] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.182615][ T7584] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.191005][ T7584] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 64.198967][ T7584] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 64.206918][ T7584] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 64.214866][ T7584] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 64.222828][ T7584] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 64.230802][ T7586] CPU: 0 PID: 7586 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 64.239388][ T7586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.249434][ T7586] Call Trace: [ 64.252718][ T7586] dump_stack+0x12d/0x187 [ 64.257073][ T7586] should_fail.cold.4+0x5/0x13 [ 64.261835][ T7586] ? do_mount+0x1270/0x1b60 [ 64.266334][ T7586] ? fault_create_debugfs_attr+0x150/0x150 [ 64.272138][ T7586] ? find_held_lock+0x36/0x1d0 [ 64.276900][ T7586] should_fail_alloc_page+0x50/0x60 [ 64.282087][ T7586] __alloc_pages_nodemask+0x17f/0x890 [ 64.287549][ T7586] ? cache_grow_end+0xa8/0x190 [ 64.292309][ T7586] ? __alloc_pages_slowpath+0x2540/0x2540 [ 64.298016][ T7586] ? do_raw_spin_lock+0x132/0x2e0 [ 64.303043][ T7586] cache_grow_begin+0x92/0xca0 [ 64.307805][ T7586] ? __kmalloc+0xc5/0x790 [ 64.312131][ T7586] ? trace_hardirqs_off+0x41/0x1a0 [ 64.317237][ T7586] __kmalloc+0x6cd/0x790 [ 64.321472][ T7586] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 64.326748][ T7586] p9_fcall_init.isra.2+0x55/0x1c0 [ 64.331856][ T7586] p9_client_prepare_req.part.5+0x116/0x670 [ 64.337749][ T7586] p9_client_rpc+0x174/0xe50 [ 64.342337][ T7586] ? p9_client_prepare_req.part.5+0x670/0x670 [ 64.348394][ T7586] ? p9_pollwait+0x182/0x210 [ 64.352973][ T7586] ? pipe_poll+0xc2/0x6b0 [ 64.357284][ T7586] ? ksys_dup3+0x2e0/0x2e0 [ 64.361687][ T7586] ? p9_fd_poll+0x19b/0x2a0 [ 64.366178][ T7586] ? p9_conn_create+0x399/0x4e0 [ 64.371020][ T7586] ? p9_conn_create+0x4e0/0x4e0 [ 64.375959][ T7586] p9_client_create+0x7ec/0x10e0 [ 64.380897][ T7586] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 64.386958][ T7586] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.392490][ T7586] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.398549][ T7586] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.404351][ T7586] ? __kmalloc_track_caller+0x60e/0x780 [ 64.409883][ T7586] ? __x64_sys_mount+0x169/0x1c0 [ 64.414816][ T7586] ? do_syscall_64+0xd0/0x630 [ 64.419481][ T7586] ? lockdep_init_map+0x1b6/0x6c0 [ 64.424515][ T7586] v9fs_session_init+0x1ed/0x14c0 [ 64.429530][ T7586] ? v9fs_session_init+0x1ed/0x14c0 [ 64.434734][ T7586] ? __lock_acquire+0x100f/0x4ef0 [ 64.439756][ T7586] ? find_held_lock+0x36/0x1d0 [ 64.444539][ T7586] ? v9fs_show_options+0x6c0/0x6c0 [ 64.449636][ T7586] ? __kasan_check_read+0x11/0x20 [ 64.454653][ T7586] ? v9fs_mount+0x55/0x7f0 [ 64.459059][ T7586] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.464618][ T7586] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.470686][ T7586] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.476504][ T7586] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.482043][ T7586] ? apparmor_task_alloc+0x2f0/0x2f0 [ 64.487452][ T7586] v9fs_mount+0x72/0x7f0 [ 64.491699][ T7586] ? v9fs_write_inode+0x50/0x50 [ 64.496553][ T7586] legacy_get_tree+0x103/0x1f0 [ 64.501318][ T7586] vfs_get_tree+0x8b/0x2d0 [ 64.505720][ T7586] ? capable+0x14/0x20 [ 64.509789][ T7586] do_mount+0x1270/0x1b60 [ 64.514104][ T7586] ? lock_downgrade+0x900/0x900 [ 64.518946][ T7586] ? copy_mount_string+0x20/0x20 [ 64.523889][ T7586] ? __kasan_check_write+0x14/0x20 [ 64.528986][ T7586] ? _copy_from_user+0xd6/0x110 [ 64.533831][ T7586] __x64_sys_mount+0x169/0x1c0 [ 64.538583][ T7586] do_syscall_64+0xd0/0x630 [ 64.543081][ T7586] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.548955][ T7586] RIP: 0033:0x458da9 [ 64.552840][ T7586] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.572449][ T7586] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.580862][ T7586] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 64.588819][ T7586] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 64.596786][ T7586] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 64.604760][ T7586] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 64.612734][ T7586] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 64.628551][ T7592] FAULT_INJECTION: forcing a failure. [ 64.628551][ T7592] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.636390][ T7595] FAULT_INJECTION: forcing a failure. [ 64.636390][ T7595] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.641770][ T7592] CPU: 1 PID: 7592 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 64.663576][ T7592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.673623][ T7592] Call Trace: [ 64.676905][ T7592] dump_stack+0x12d/0x187 [ 64.681223][ T7592] should_fail.cold.4+0x5/0x13 [ 64.685999][ T7592] ? do_mount+0x1270/0x1b60 [ 64.690503][ T7592] ? fault_create_debugfs_attr+0x150/0x150 [ 64.696312][ T7592] ? find_held_lock+0x36/0x1d0 [ 64.701060][ T7592] should_fail_alloc_page+0x50/0x60 [ 64.706234][ T7592] __alloc_pages_nodemask+0x17f/0x890 [ 64.711589][ T7592] ? cache_grow_end+0xa8/0x190 [ 64.716348][ T7592] ? __alloc_pages_slowpath+0x2540/0x2540 [ 64.722058][ T7592] ? do_raw_spin_lock+0x132/0x2e0 [ 64.727085][ T7592] cache_grow_begin+0x92/0xca0 [ 64.731835][ T7592] ? __kmalloc+0xc5/0x790 [ 64.736150][ T7592] ? trace_hardirqs_off+0x41/0x1a0 [ 64.741240][ T7592] __kmalloc+0x6cd/0x790 [ 64.745463][ T7592] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 64.759263][ T7592] p9_fcall_init.isra.2+0x55/0x1c0 [ 64.764373][ T7592] p9_client_prepare_req.part.5+0x116/0x670 [ 64.770267][ T7592] p9_client_rpc+0x174/0xe50 [ 64.774843][ T7592] ? p9_client_prepare_req.part.5+0x670/0x670 [ 64.780889][ T7592] ? p9_pollwait+0x182/0x210 [ 64.785460][ T7592] ? pipe_poll+0xc2/0x6b0 [ 64.789770][ T7592] ? ksys_dup3+0x2e0/0x2e0 [ 64.794166][ T7592] ? p9_fd_poll+0x19b/0x2a0 [ 64.798659][ T7592] ? p9_conn_create+0x399/0x4e0 [ 64.803493][ T7592] ? p9_conn_create+0x4e0/0x4e0 [ 64.808335][ T7592] p9_client_create+0x7ec/0x10e0 [ 64.813266][ T7592] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 64.819312][ T7592] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.824834][ T7592] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.830878][ T7592] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.836663][ T7592] ? __kmalloc_track_caller+0x60e/0x780 [ 64.842199][ T7592] ? __x64_sys_mount+0x169/0x1c0 [ 64.847134][ T7592] ? do_syscall_64+0xd0/0x630 [ 64.851790][ T7592] ? lockdep_init_map+0x1b6/0x6c0 [ 64.856810][ T7592] v9fs_session_init+0x1ed/0x14c0 [ 64.861812][ T7592] ? v9fs_session_init+0x1ed/0x14c0 [ 64.866986][ T7592] ? __lock_acquire+0x100f/0x4ef0 [ 64.871991][ T7592] ? find_held_lock+0x36/0x1d0 [ 64.876742][ T7592] ? v9fs_show_options+0x6c0/0x6c0 [ 64.881832][ T7592] ? __kasan_check_read+0x11/0x20 [ 64.886837][ T7592] ? v9fs_mount+0x55/0x7f0 [ 64.891663][ T7592] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.897187][ T7592] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.903227][ T7592] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.909028][ T7592] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.914557][ T7592] ? apparmor_task_alloc+0x2f0/0x2f0 [ 64.919843][ T7592] v9fs_mount+0x72/0x7f0 [ 64.924066][ T7592] ? v9fs_write_inode+0x50/0x50 [ 64.928895][ T7592] legacy_get_tree+0x103/0x1f0 [ 64.933643][ T7592] vfs_get_tree+0x8b/0x2d0 [ 64.938035][ T7592] ? capable+0x14/0x20 [ 64.942083][ T7592] do_mount+0x1270/0x1b60 [ 64.946388][ T7592] ? lock_downgrade+0x900/0x900 [ 64.951221][ T7592] ? copy_mount_string+0x20/0x20 [ 64.956235][ T7592] ? __kasan_check_write+0x14/0x20 [ 64.961326][ T7592] ? _copy_from_user+0xd6/0x110 [ 64.966174][ T7592] __x64_sys_mount+0x169/0x1c0 [ 64.970957][ T7592] do_syscall_64+0xd0/0x630 [ 64.975442][ T7592] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.981312][ T7592] RIP: 0033:0x458da9 [ 64.985196][ T7592] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.004776][ T7592] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.013159][ T7592] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 65.021120][ T7592] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.029068][ T7592] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.037027][ T7592] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 65.045094][ T7592] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.053092][ T7595] CPU: 0 PID: 7595 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 65.061682][ T7595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.068857][ T7598] FAULT_INJECTION: forcing a failure. [ 65.068857][ T7598] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.071722][ T7595] Call Trace: [ 65.088167][ T7595] dump_stack+0x12d/0x187 [ 65.092492][ T7595] should_fail.cold.4+0x5/0x13 [ 65.097249][ T7595] ? do_mount+0x1270/0x1b60 [ 65.101735][ T7595] ? fault_create_debugfs_attr+0x150/0x150 [ 65.107524][ T7595] ? find_held_lock+0x36/0x1d0 [ 65.112271][ T7595] should_fail_alloc_page+0x50/0x60 [ 65.117461][ T7595] __alloc_pages_nodemask+0x17f/0x890 [ 65.122823][ T7595] ? cache_grow_end+0xa8/0x190 [ 65.127565][ T7595] ? __alloc_pages_slowpath+0x2540/0x2540 [ 65.133259][ T7595] ? do_raw_spin_lock+0x132/0x2e0 [ 65.138271][ T7595] cache_grow_begin+0x92/0xca0 [ 65.143011][ T7595] ? __kmalloc+0xc5/0x790 [ 65.147322][ T7595] ? trace_hardirqs_off+0x41/0x1a0 [ 65.152419][ T7595] __kmalloc+0x6cd/0x790 [ 65.156644][ T7595] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 65.161924][ T7595] p9_fcall_init.isra.2+0x55/0x1c0 [ 65.167012][ T7595] p9_client_prepare_req.part.5+0x116/0x670 [ 65.172885][ T7595] p9_client_rpc+0x174/0xe50 [ 65.177459][ T7595] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.183503][ T7595] ? p9_pollwait+0x182/0x210 [ 65.188076][ T7595] ? pipe_poll+0xc2/0x6b0 [ 65.192382][ T7595] ? ksys_dup3+0x2e0/0x2e0 [ 65.196804][ T7595] ? p9_fd_poll+0x19b/0x2a0 [ 65.201302][ T7595] ? p9_conn_create+0x399/0x4e0 [ 65.206136][ T7595] ? p9_conn_create+0x4e0/0x4e0 [ 65.210975][ T7595] p9_client_create+0x7ec/0x10e0 [ 65.215900][ T7595] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 65.221941][ T7595] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.227460][ T7595] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.233513][ T7595] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.239299][ T7595] ? __kmalloc_track_caller+0x60e/0x780 [ 65.244834][ T7595] ? __x64_sys_mount+0x169/0x1c0 [ 65.249847][ T7595] ? do_syscall_64+0xd0/0x630 [ 65.254501][ T7595] ? lockdep_init_map+0x1b6/0x6c0 [ 65.259511][ T7595] v9fs_session_init+0x1ed/0x14c0 [ 65.264507][ T7595] ? v9fs_session_init+0x1ed/0x14c0 [ 65.269677][ T7595] ? __lock_acquire+0x100f/0x4ef0 [ 65.274680][ T7595] ? find_held_lock+0x36/0x1d0 [ 65.279429][ T7595] ? v9fs_show_options+0x6c0/0x6c0 [ 65.284513][ T7595] ? __kasan_check_read+0x11/0x20 [ 65.289516][ T7595] ? v9fs_mount+0x55/0x7f0 [ 65.293906][ T7595] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.299426][ T7595] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.305467][ T7595] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.311254][ T7595] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.316780][ T7595] ? apparmor_task_alloc+0x2f0/0x2f0 [ 65.322044][ T7595] v9fs_mount+0x72/0x7f0 [ 65.326264][ T7595] ? v9fs_write_inode+0x50/0x50 [ 65.331090][ T7595] legacy_get_tree+0x103/0x1f0 [ 65.335837][ T7595] vfs_get_tree+0x8b/0x2d0 [ 65.340226][ T7595] ? capable+0x14/0x20 [ 65.344280][ T7595] do_mount+0x1270/0x1b60 [ 65.348585][ T7595] ? lock_downgrade+0x900/0x900 [ 65.353456][ T7595] ? copy_mount_string+0x20/0x20 [ 65.358399][ T7595] ? __kasan_check_write+0x14/0x20 [ 65.363486][ T7595] ? _copy_from_user+0xd6/0x110 [ 65.368420][ T7595] __x64_sys_mount+0x169/0x1c0 [ 65.373165][ T7595] do_syscall_64+0xd0/0x630 [ 65.377660][ T7595] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.383526][ T7595] RIP: 0033:0x458da9 [ 65.387396][ T7595] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.406992][ T7595] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.415380][ T7595] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 65.423327][ T7595] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.431286][ T7595] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.439233][ T7595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 65.447191][ T7595] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.455266][ T7598] CPU: 1 PID: 7598 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 65.462430][ T7599] FAULT_INJECTION: forcing a failure. [ 65.462430][ T7599] name failslab, interval 1, probability 0, space 0, times 0 [ 65.463844][ T7598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.486624][ T7598] Call Trace: [ 65.489379][ T7601] FAULT_INJECTION: forcing a failure. [ 65.489379][ T7601] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.489911][ T7598] dump_stack+0x12d/0x187 [ 65.507401][ T7598] should_fail.cold.4+0x5/0x13 [ 65.512152][ T7598] ? do_mount+0x1270/0x1b60 [ 65.516640][ T7598] ? fault_create_debugfs_attr+0x150/0x150 [ 65.522447][ T7598] ? find_held_lock+0x36/0x1d0 [ 65.527203][ T7598] should_fail_alloc_page+0x50/0x60 [ 65.532396][ T7598] __alloc_pages_nodemask+0x17f/0x890 [ 65.537747][ T7598] ? cache_grow_end+0xa8/0x190 [ 65.542493][ T7598] ? __alloc_pages_slowpath+0x2540/0x2540 [ 65.548201][ T7598] ? do_raw_spin_lock+0x132/0x2e0 [ 65.553221][ T7598] cache_grow_begin+0x92/0xca0 [ 65.557964][ T7598] ? __kmalloc+0xc5/0x790 [ 65.562290][ T7598] ? trace_hardirqs_off+0x41/0x1a0 [ 65.567397][ T7598] __kmalloc+0x6cd/0x790 [ 65.571720][ T7598] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 65.576991][ T7598] p9_fcall_init.isra.2+0x55/0x1c0 [ 65.582080][ T7598] p9_client_prepare_req.part.5+0x116/0x670 [ 65.587953][ T7598] p9_client_rpc+0x174/0xe50 [ 65.592525][ T7598] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.598571][ T7598] ? p9_pollwait+0x182/0x210 [ 65.603145][ T7598] ? pipe_poll+0xc2/0x6b0 [ 65.607451][ T7598] ? ksys_dup3+0x2e0/0x2e0 [ 65.611845][ T7598] ? p9_fd_poll+0x19b/0x2a0 [ 65.616327][ T7598] ? p9_conn_create+0x399/0x4e0 [ 65.621260][ T7598] ? p9_conn_create+0x4e0/0x4e0 [ 65.626096][ T7598] p9_client_create+0x7ec/0x10e0 [ 65.631018][ T7598] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 65.637073][ T7598] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.642595][ T7598] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.648636][ T7598] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.654524][ T7598] ? __kmalloc_track_caller+0x60e/0x780 [ 65.660043][ T7598] ? __x64_sys_mount+0x169/0x1c0 [ 65.664953][ T7598] ? do_syscall_64+0xd0/0x630 [ 65.669602][ T7598] ? lockdep_init_map+0x1b6/0x6c0 [ 65.674629][ T7598] v9fs_session_init+0x1ed/0x14c0 [ 65.679636][ T7598] ? v9fs_session_init+0x1ed/0x14c0 [ 65.684819][ T7598] ? __lock_acquire+0x100f/0x4ef0 [ 65.689827][ T7598] ? find_held_lock+0x36/0x1d0 [ 65.694577][ T7598] ? v9fs_show_options+0x6c0/0x6c0 [ 65.699663][ T7598] ? __kasan_check_read+0x11/0x20 [ 65.704664][ T7598] ? v9fs_mount+0x55/0x7f0 [ 65.709055][ T7598] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.714575][ T7598] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.720630][ T7598] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.726431][ T7598] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.731958][ T7598] ? apparmor_task_alloc+0x2f0/0x2f0 [ 65.737229][ T7598] v9fs_mount+0x72/0x7f0 [ 65.741452][ T7598] ? v9fs_write_inode+0x50/0x50 [ 65.746282][ T7598] legacy_get_tree+0x103/0x1f0 [ 65.751027][ T7598] vfs_get_tree+0x8b/0x2d0 [ 65.755418][ T7598] ? capable+0x14/0x20 [ 65.759466][ T7598] do_mount+0x1270/0x1b60 [ 65.763768][ T7598] ? lock_downgrade+0x900/0x900 [ 65.768599][ T7598] ? copy_mount_string+0x20/0x20 [ 65.773524][ T7598] ? __kasan_check_write+0x14/0x20 [ 65.778614][ T7598] ? _copy_from_user+0xd6/0x110 [ 65.783446][ T7598] __x64_sys_mount+0x169/0x1c0 [ 65.788231][ T7598] do_syscall_64+0xd0/0x630 [ 65.792722][ T7598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.798589][ T7598] RIP: 0033:0x458da9 [ 65.802473][ T7598] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.822174][ T7598] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.830584][ T7598] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 65.838535][ T7598] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.846504][ T7598] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.854464][ T7598] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 65.862435][ T7598] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.871283][ T7601] CPU: 0 PID: 7601 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 65.879868][ T7601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.889916][ T7601] Call Trace: [ 65.893203][ T7601] dump_stack+0x12d/0x187 [ 65.897538][ T7601] should_fail.cold.4+0x5/0x13 [ 65.902295][ T7601] ? do_mount+0x1270/0x1b60 [ 65.907457][ T7601] ? fault_create_debugfs_attr+0x150/0x150 [ 65.913367][ T7601] ? find_held_lock+0x36/0x1d0 [ 65.918134][ T7601] should_fail_alloc_page+0x50/0x60 [ 65.923328][ T7601] __alloc_pages_nodemask+0x17f/0x890 [ 65.928702][ T7601] ? cache_grow_end+0xa8/0x190 [ 65.933463][ T7601] ? __alloc_pages_slowpath+0x2540/0x2540 [ 65.939192][ T7601] ? do_raw_spin_lock+0x132/0x2e0 [ 65.944246][ T7601] cache_grow_begin+0x92/0xca0 [ 65.949001][ T7601] ? __kmalloc+0xc5/0x790 [ 65.953345][ T7601] ? trace_hardirqs_off+0x41/0x1a0 [ 65.958457][ T7601] __kmalloc+0x6cd/0x790 [ 65.962697][ T7601] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 65.967497][ T7609] FAULT_INJECTION: forcing a failure. [ 65.967497][ T7609] name failslab, interval 1, probability 0, space 0, times 0 [ 65.967975][ T7601] p9_fcall_init.isra.2+0x55/0x1c0 [ 65.967987][ T7601] p9_client_prepare_req.part.5+0x116/0x670 [ 65.968004][ T7601] p9_client_rpc+0x174/0xe50 [ 65.982454][ T7611] FAULT_INJECTION: forcing a failure. [ 65.982454][ T7611] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.985680][ T7601] ? p9_client_prepare_req.part.5+0x670/0x670 [ 66.015302][ T7601] ? p9_pollwait+0x182/0x210 [ 66.019874][ T7601] ? pipe_poll+0xc2/0x6b0 [ 66.024182][ T7601] ? ksys_dup3+0x2e0/0x2e0 [ 66.028579][ T7601] ? p9_fd_poll+0x19b/0x2a0 [ 66.033061][ T7601] ? p9_conn_create+0x399/0x4e0 [ 66.037893][ T7601] ? p9_conn_create+0x4e0/0x4e0 [ 66.042729][ T7601] p9_client_create+0x7ec/0x10e0 [ 66.047652][ T7601] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.053698][ T7601] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.059232][ T7601] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.065273][ T7601] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.071076][ T7601] ? __kmalloc_track_caller+0x60e/0x780 [ 66.076607][ T7601] ? __x64_sys_mount+0x169/0x1c0 [ 66.081523][ T7601] ? do_syscall_64+0xd0/0x630 [ 66.086183][ T7601] ? lockdep_init_map+0x1b6/0x6c0 [ 66.091195][ T7601] v9fs_session_init+0x1ed/0x14c0 [ 66.096196][ T7601] ? v9fs_session_init+0x1ed/0x14c0 [ 66.101368][ T7601] ? __lock_acquire+0x100f/0x4ef0 [ 66.106370][ T7601] ? find_held_lock+0x36/0x1d0 [ 66.111115][ T7601] ? v9fs_show_options+0x6c0/0x6c0 [ 66.116212][ T7601] ? __kasan_check_read+0x11/0x20 [ 66.121238][ T7601] ? v9fs_mount+0x55/0x7f0 [ 66.125652][ T7601] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.131183][ T7601] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.137244][ T7601] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.143031][ T7601] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.148553][ T7601] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.153819][ T7601] v9fs_mount+0x72/0x7f0 [ 66.158052][ T7601] ? v9fs_write_inode+0x50/0x50 [ 66.162876][ T7601] legacy_get_tree+0x103/0x1f0 [ 66.167622][ T7601] vfs_get_tree+0x8b/0x2d0 [ 66.172028][ T7601] ? capable+0x14/0x20 [ 66.176080][ T7601] do_mount+0x1270/0x1b60 [ 66.180388][ T7601] ? lock_downgrade+0x900/0x900 [ 66.185219][ T7601] ? copy_mount_string+0x20/0x20 [ 66.190142][ T7601] ? __kasan_check_write+0x14/0x20 [ 66.195231][ T7601] ? _copy_from_user+0xd6/0x110 [ 66.200072][ T7601] __x64_sys_mount+0x169/0x1c0 [ 66.204816][ T7601] do_syscall_64+0xd0/0x630 [ 66.209325][ T7601] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.215193][ T7601] RIP: 0033:0x458da9 [ 66.219063][ T7601] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.238662][ T7601] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.247046][ T7601] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 66.254994][ T7601] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 66.262942][ T7601] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 66.270892][ T7601] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 66.278849][ T7601] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 66.286842][ T7611] CPU: 1 PID: 7611 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 66.295444][ T7611] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.305489][ T7611] Call Trace: [ 66.308759][ T7611] dump_stack+0x12d/0x187 [ 66.313072][ T7611] should_fail.cold.4+0x5/0x13 [ 66.317809][ T7611] ? kmem_cache_alloc+0x121/0x750 [ 66.322810][ T7611] ? fault_create_debugfs_attr+0x150/0x150 [ 66.328591][ T7611] ? vfs_get_tree+0x8b/0x2d0 [ 66.333155][ T7611] ? do_mount+0x1270/0x1b60 [ 66.337631][ T7611] ? __x64_sys_mount+0x169/0x1c0 [ 66.342564][ T7611] ? do_syscall_64+0xd0/0x630 [ 66.347215][ T7611] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.353266][ T7611] should_fail_alloc_page+0x50/0x60 [ 66.358443][ T7611] __alloc_pages_nodemask+0x17f/0x890 [ 66.363794][ T7611] ? __alloc_pages_slowpath+0x2540/0x2540 [ 66.369518][ T7611] cache_grow_begin+0x92/0xca0 [ 66.374256][ T7611] ? __kmalloc+0xc5/0x790 [ 66.378563][ T7611] ? trace_hardirqs_off+0x41/0x1a0 [ 66.383658][ T7611] __kmalloc+0x6cd/0x790 [ 66.387880][ T7611] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 66.393158][ T7611] p9_fcall_init.isra.2+0x55/0x1c0 [ 66.398247][ T7611] p9_client_prepare_req.part.5+0x96/0x670 [ 66.404034][ T7611] p9_client_rpc+0x174/0xe50 [ 66.408605][ T7611] ? p9_client_prepare_req.part.5+0x670/0x670 [ 66.414667][ T7611] ? p9_pollwait+0x182/0x210 [ 66.419247][ T7611] ? pipe_poll+0xc2/0x6b0 [ 66.423555][ T7611] ? ksys_dup3+0x2e0/0x2e0 [ 66.427951][ T7611] ? p9_fd_poll+0x19b/0x2a0 [ 66.432434][ T7611] ? p9_conn_create+0x399/0x4e0 [ 66.437263][ T7611] ? p9_conn_create+0x4e0/0x4e0 [ 66.442114][ T7611] p9_client_create+0x7ec/0x10e0 [ 66.447047][ T7611] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.453094][ T7611] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.458636][ T7611] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.464691][ T7611] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.470484][ T7611] ? __kmalloc_track_caller+0x60e/0x780 [ 66.476012][ T7611] ? __x64_sys_mount+0x169/0x1c0 [ 66.480927][ T7611] ? do_syscall_64+0xd0/0x630 [ 66.485593][ T7611] ? lockdep_init_map+0x1b6/0x6c0 [ 66.490619][ T7611] v9fs_session_init+0x1ed/0x14c0 [ 66.495627][ T7611] ? v9fs_session_init+0x1ed/0x14c0 [ 66.500800][ T7611] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.506235][ T7611] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 66.511520][ T7611] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 66.516970][ T7611] ? v9fs_show_options+0x6c0/0x6c0 [ 66.522057][ T7611] ? __kasan_check_read+0x11/0x20 [ 66.527061][ T7611] ? v9fs_mount+0x55/0x7f0 [ 66.531453][ T7611] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.536976][ T7611] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.543019][ T7611] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.548816][ T7611] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.554372][ T7611] v9fs_mount+0x72/0x7f0 [ 66.558599][ T7611] ? v9fs_write_inode+0x50/0x50 [ 66.563538][ T7611] legacy_get_tree+0x103/0x1f0 [ 66.568297][ T7611] vfs_get_tree+0x8b/0x2d0 [ 66.572703][ T7611] ? capable+0x14/0x20 [ 66.576755][ T7611] do_mount+0x1270/0x1b60 [ 66.581064][ T7611] ? lock_downgrade+0x900/0x900 [ 66.585911][ T7611] ? copy_mount_string+0x20/0x20 [ 66.590837][ T7611] ? __kasan_check_write+0x14/0x20 [ 66.595940][ T7611] ? _copy_from_user+0xd6/0x110 [ 66.600774][ T7611] __x64_sys_mount+0x169/0x1c0 [ 66.605534][ T7611] do_syscall_64+0xd0/0x630 [ 66.610021][ T7611] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.615890][ T7611] RIP: 0033:0x458da9 [ 66.619760][ T7611] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.639468][ T7611] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.647858][ T7611] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 66.655809][ T7611] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 66.663761][ T7611] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 66.671711][ T7611] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 66.679665][ T7611] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 66.687757][ T7599] CPU: 0 PID: 7599 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 66.696336][ T7599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.706382][ T7599] Call Trace: [ 66.707069][ T7614] FAULT_INJECTION: forcing a failure. [ 66.707069][ T7614] name failslab, interval 1, probability 0, space 0, times 0 [ 66.709660][ T7599] dump_stack+0x12d/0x187 [ 66.726553][ T7599] should_fail.cold.4+0x5/0x13 [ 66.731309][ T7599] ? fault_create_debugfs_attr+0x150/0x150 [ 66.737106][ T7599] ? ___might_sleep+0x16b/0x2b0 [ 66.741945][ T7599] __should_failslab+0xba/0xf0 [ 66.746699][ T7599] should_failslab+0x9/0x14 [ 66.751190][ T7599] __kmalloc+0x2eb/0x790 [ 66.755421][ T7599] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 66.760689][ T7599] p9_fcall_init.isra.2+0x55/0x1c0 [ 66.765786][ T7599] p9_client_prepare_req.part.5+0x116/0x670 [ 66.771667][ T7599] p9_client_rpc+0x174/0xe50 [ 66.776255][ T7599] ? p9_client_prepare_req.part.5+0x670/0x670 [ 66.782303][ T7599] ? p9_pollwait+0x182/0x210 [ 66.786881][ T7599] ? pipe_poll+0xc2/0x6b0 [ 66.791189][ T7599] ? ksys_dup3+0x2e0/0x2e0 [ 66.795587][ T7599] ? p9_fd_poll+0x19b/0x2a0 [ 66.800179][ T7599] ? p9_conn_create+0x399/0x4e0 [ 66.805016][ T7599] ? p9_conn_create+0x4e0/0x4e0 [ 66.809875][ T7599] p9_client_create+0x7ec/0x10e0 [ 66.814814][ T7599] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.820871][ T7599] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.826409][ T7599] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.832455][ T7599] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.838247][ T7599] ? __kmalloc_track_caller+0x60e/0x780 [ 66.843795][ T7599] ? __x64_sys_mount+0x169/0x1c0 [ 66.848713][ T7599] ? do_syscall_64+0xd0/0x630 [ 66.853382][ T7599] ? lockdep_init_map+0x1b6/0x6c0 [ 66.858397][ T7599] v9fs_session_init+0x1ed/0x14c0 [ 66.863409][ T7599] ? v9fs_session_init+0x1ed/0x14c0 [ 66.868701][ T7599] ? __lock_acquire+0x100f/0x4ef0 [ 66.873709][ T7599] ? find_held_lock+0x36/0x1d0 [ 66.878456][ T7599] ? v9fs_show_options+0x6c0/0x6c0 [ 66.883556][ T7599] ? __kasan_check_read+0x11/0x20 [ 66.888560][ T7599] ? v9fs_mount+0x55/0x7f0 [ 66.892955][ T7599] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.898476][ T7599] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.904518][ T7599] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.910311][ T7599] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.915851][ T7599] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.921132][ T7599] v9fs_mount+0x72/0x7f0 [ 66.925357][ T7599] ? v9fs_write_inode+0x50/0x50 [ 66.930198][ T7599] legacy_get_tree+0x103/0x1f0 [ 66.934943][ T7599] vfs_get_tree+0x8b/0x2d0 [ 66.939453][ T7599] ? capable+0x14/0x20 [ 66.943507][ T7599] do_mount+0x1270/0x1b60 [ 66.947830][ T7599] ? lock_downgrade+0x900/0x900 [ 66.952666][ T7599] ? copy_mount_string+0x20/0x20 [ 66.957606][ T7599] ? __kasan_check_write+0x14/0x20 [ 66.962697][ T7599] ? _copy_from_user+0xd6/0x110 [ 66.967543][ T7599] __x64_sys_mount+0x169/0x1c0 [ 66.972287][ T7599] do_syscall_64+0xd0/0x630 [ 66.976781][ T7599] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.982660][ T7599] RIP: 0033:0x458da9 [ 66.986538][ T7599] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.006125][ T7599] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.014523][ T7599] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 67.022483][ T7599] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.030443][ T7599] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.038411][ T7599] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 67.046362][ T7599] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.054346][ T7614] CPU: 1 PID: 7614 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 67.062952][ T7614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.073073][ T7614] Call Trace: [ 67.076370][ T7614] dump_stack+0x12d/0x187 [ 67.080684][ T7614] should_fail.cold.4+0x5/0x13 [ 67.085450][ T7614] ? stack_trace_save+0x82/0xb0 [ 67.090287][ T7614] ? fault_create_debugfs_attr+0x150/0x150 [ 67.096114][ T7614] __should_failslab+0xba/0xf0 [ 67.100869][ T7614] should_failslab+0x9/0x14 [ 67.105357][ T7614] kmem_cache_alloc+0x47/0x750 [ 67.110103][ T7614] ? __x64_sys_mount+0x169/0x1c0 [ 67.115026][ T7614] ? do_syscall_64+0xd0/0x630 [ 67.119697][ T7614] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.126107][ T7614] ? __kasan_check_read+0x11/0x20 [ 67.131116][ T7614] idr_get_free+0x35d/0x880 [ 67.135618][ T7614] ? __kasan_check_read+0x11/0x20 [ 67.140630][ T7614] idr_alloc_u32+0x13a/0x330 [ 67.145207][ T7614] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 67.150731][ T7614] ? mark_held_locks+0x130/0x130 [ 67.155661][ T7614] ? __kasan_check_write+0x14/0x20 [ 67.160753][ T7614] ? do_raw_spin_lock+0x132/0x2e0 [ 67.165763][ T7614] idr_alloc+0x7d/0xc0 [ 67.169809][ T7614] ? idr_alloc_u32+0x330/0x330 [ 67.174556][ T7614] p9_client_prepare_req.part.5+0x571/0x670 [ 67.180438][ T7614] p9_client_rpc+0x174/0xe50 [ 67.185016][ T7614] ? p9_client_prepare_req.part.5+0x670/0x670 [ 67.191065][ T7614] ? p9_pollwait+0x182/0x210 [ 67.195645][ T7614] ? pipe_poll+0xc2/0x6b0 [ 67.200823][ T7614] ? ksys_dup3+0x2e0/0x2e0 [ 67.205221][ T7614] ? p9_fd_poll+0x19b/0x2a0 [ 67.209721][ T7614] ? p9_conn_create+0x399/0x4e0 [ 67.214563][ T7614] ? p9_conn_create+0x4e0/0x4e0 [ 67.219410][ T7614] p9_client_create+0x7ec/0x10e0 [ 67.224344][ T7614] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 67.230410][ T7614] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.235950][ T7614] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.241993][ T7614] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.247785][ T7614] ? __kmalloc_track_caller+0x60e/0x780 [ 67.253309][ T7614] ? __x64_sys_mount+0x169/0x1c0 [ 67.258223][ T7614] ? do_syscall_64+0xd0/0x630 [ 67.262876][ T7614] ? lockdep_init_map+0x1b6/0x6c0 [ 67.267902][ T7614] v9fs_session_init+0x1ed/0x14c0 [ 67.272907][ T7614] ? v9fs_session_init+0x1ed/0x14c0 [ 67.278088][ T7614] ? __lock_acquire+0x100f/0x4ef0 [ 67.283095][ T7614] ? find_held_lock+0x36/0x1d0 [ 67.287847][ T7614] ? v9fs_show_options+0x6c0/0x6c0 [ 67.292935][ T7614] ? __kasan_check_read+0x11/0x20 [ 67.297962][ T7614] ? v9fs_mount+0x55/0x7f0 [ 67.302364][ T7614] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.307892][ T7614] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.313940][ T7614] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.319736][ T7614] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.325259][ T7614] ? apparmor_task_alloc+0x2f0/0x2f0 [ 67.330533][ T7614] v9fs_mount+0x72/0x7f0 [ 67.334773][ T7614] ? v9fs_write_inode+0x50/0x50 [ 67.339608][ T7614] legacy_get_tree+0x103/0x1f0 [ 67.344353][ T7614] vfs_get_tree+0x8b/0x2d0 [ 67.348755][ T7614] ? capable+0x14/0x20 [ 67.352819][ T7614] do_mount+0x1270/0x1b60 [ 67.357130][ T7614] ? lock_downgrade+0x900/0x900 [ 67.361968][ T7614] ? copy_mount_string+0x20/0x20 [ 67.366905][ T7614] ? __kasan_check_write+0x14/0x20 [ 67.371997][ T7614] ? _copy_from_user+0xd6/0x110 [ 67.376840][ T7614] __x64_sys_mount+0x169/0x1c0 [ 67.381598][ T7614] do_syscall_64+0xd0/0x630 [ 67.386092][ T7614] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.391963][ T7614] RIP: 0033:0x458da9 [ 67.395838][ T7614] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.415419][ T7614] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.423808][ T7614] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 67.431758][ T7614] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.439710][ T7614] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.447673][ T7614] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 67.455625][ T7614] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.463598][ T7609] CPU: 0 PID: 7609 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 67.472185][ T7609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.482230][ T7609] Call Trace: [ 67.485504][ T7609] dump_stack+0x12d/0x187 [ 67.489828][ T7609] should_fail.cold.4+0x5/0x13 [ 67.494584][ T7609] ? fault_create_debugfs_attr+0x150/0x150 [ 67.500371][ T7609] ? ___might_sleep+0x16b/0x2b0 [ 67.505228][ T7609] __should_failslab+0xba/0xf0 [ 67.509975][ T7609] should_failslab+0x9/0x14 [ 67.514469][ T7609] __kmalloc+0x2eb/0x790 [ 67.518693][ T7609] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 67.523958][ T7609] p9_fcall_init.isra.2+0x55/0x1c0 [ 67.529049][ T7609] p9_client_prepare_req.part.5+0x116/0x670 [ 67.534939][ T7609] p9_client_rpc+0x174/0xe50 [ 67.539513][ T7609] ? p9_client_prepare_req.part.5+0x670/0x670 [ 67.545585][ T7609] ? p9_pollwait+0x182/0x210 [ 67.550256][ T7609] ? pipe_poll+0xc2/0x6b0 [ 67.554561][ T7609] ? ksys_dup3+0x2e0/0x2e0 [ 67.558972][ T7609] ? p9_fd_poll+0x19b/0x2a0 [ 67.563463][ T7609] ? p9_conn_create+0x399/0x4e0 [ 67.568293][ T7609] ? p9_conn_create+0x4e0/0x4e0 [ 67.573139][ T7609] p9_client_create+0x7ec/0x10e0 [ 67.578063][ T7609] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 67.584101][ T7609] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.589622][ T7609] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.595762][ T7609] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.601550][ T7609] ? __kmalloc_track_caller+0x60e/0x780 [ 67.607074][ T7609] ? __x64_sys_mount+0x169/0x1c0 [ 67.611985][ T7609] ? do_syscall_64+0xd0/0x630 [ 67.616638][ T7609] ? lockdep_init_map+0x1b6/0x6c0 [ 67.621756][ T7609] v9fs_session_init+0x1ed/0x14c0 [ 67.626775][ T7609] ? v9fs_session_init+0x1ed/0x14c0 [ 67.631989][ T7609] ? __lock_acquire+0x100f/0x4ef0 [ 67.637015][ T7609] ? find_held_lock+0x36/0x1d0 [ 67.641764][ T7609] ? v9fs_show_options+0x6c0/0x6c0 [ 67.646849][ T7609] ? __kasan_check_read+0x11/0x20 [ 67.651852][ T7609] ? v9fs_mount+0x55/0x7f0 [ 67.656258][ T7609] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.661786][ T7609] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.667826][ T7609] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.673626][ T7609] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.679198][ T7609] ? apparmor_task_alloc+0x2f0/0x2f0 [ 67.684476][ T7609] v9fs_mount+0x72/0x7f0 [ 67.688700][ T7609] ? v9fs_write_inode+0x50/0x50 [ 67.693539][ T7609] legacy_get_tree+0x103/0x1f0 [ 67.698395][ T7609] vfs_get_tree+0x8b/0x2d0 [ 67.702924][ T7609] ? capable+0x14/0x20 [ 67.706976][ T7609] do_mount+0x1270/0x1b60 [ 67.711282][ T7609] ? lock_downgrade+0x900/0x900 [ 67.716112][ T7609] ? copy_mount_string+0x20/0x20 [ 67.721054][ T7609] ? __kasan_check_write+0x14/0x20 [ 67.726146][ T7609] ? _copy_from_user+0xd6/0x110 [ 67.730981][ T7609] __x64_sys_mount+0x169/0x1c0 [ 67.735728][ T7609] do_syscall_64+0xd0/0x630 [ 67.740229][ T7609] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.746115][ T7609] RIP: 0033:0x458da9 [ 67.749989][ T7609] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.769570][ T7609] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.777955][ T7609] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 67.785904][ T7609] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.793865][ T7609] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.801812][ T7609] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 67.809767][ T7609] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 2020/03/22 08:53:45 executed programs: 21 [ 67.872055][ T7627] FAULT_INJECTION: forcing a failure. [ 67.872055][ T7627] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 67.879202][ T7630] FAULT_INJECTION: forcing a failure. [ 67.879202][ T7630] name failslab, interval 1, probability 0, space 0, times 0 [ 67.885293][ T7627] CPU: 0 PID: 7627 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 67.885297][ T7627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.885301][ T7627] Call Trace: [ 67.885313][ T7627] dump_stack+0x12d/0x187 [ 67.885329][ T7627] should_fail.cold.4+0x5/0x13 [ 67.885335][ T7627] ? do_mount+0x1270/0x1b60 [ 67.885345][ T7627] ? fault_create_debugfs_attr+0x150/0x150 [ 67.939290][ T7627] ? find_held_lock+0x36/0x1d0 [ 67.944058][ T7627] should_fail_alloc_page+0x50/0x60 [ 67.946089][ T7634] FAULT_INJECTION: forcing a failure. [ 67.946089][ T7634] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 67.949265][ T7627] __alloc_pages_nodemask+0x17f/0x890 [ 67.967804][ T7627] ? cache_grow_end+0xa8/0x190 [ 67.972548][ T7627] ? __alloc_pages_slowpath+0x2540/0x2540 [ 67.978244][ T7627] ? do_raw_spin_lock+0x132/0x2e0 [ 67.983261][ T7627] cache_grow_begin+0x92/0xca0 [ 67.988016][ T7627] ? __kmalloc+0xc5/0x790 [ 67.992344][ T7627] ? trace_hardirqs_off+0x41/0x1a0 [ 67.997435][ T7627] __kmalloc+0x6cd/0x790 [ 68.001658][ T7627] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 68.006921][ T7627] p9_fcall_init.isra.2+0x55/0x1c0 [ 68.012012][ T7627] p9_client_prepare_req.part.5+0x116/0x670 [ 68.017884][ T7627] p9_client_rpc+0x174/0xe50 [ 68.022453][ T7627] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.028508][ T7627] ? p9_pollwait+0x182/0x210 [ 68.033075][ T7627] ? pipe_poll+0xc2/0x6b0 [ 68.037380][ T7627] ? ksys_dup3+0x2e0/0x2e0 [ 68.041773][ T7627] ? p9_fd_poll+0x19b/0x2a0 [ 68.046255][ T7627] ? p9_conn_create+0x399/0x4e0 [ 68.051084][ T7627] ? p9_conn_create+0x4e0/0x4e0 [ 68.055943][ T7627] p9_client_create+0x7ec/0x10e0 [ 68.060876][ T7627] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.066929][ T7627] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.072473][ T7627] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.078533][ T7627] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.084343][ T7627] ? __kmalloc_track_caller+0x60e/0x780 [ 68.089869][ T7627] ? __x64_sys_mount+0x169/0x1c0 [ 68.094804][ T7627] ? do_syscall_64+0xd0/0x630 [ 68.099460][ T7627] ? lockdep_init_map+0x1b6/0x6c0 [ 68.104475][ T7627] v9fs_session_init+0x1ed/0x14c0 [ 68.109489][ T7627] ? v9fs_session_init+0x1ed/0x14c0 [ 68.114676][ T7627] ? __lock_acquire+0x100f/0x4ef0 [ 68.119699][ T7627] ? find_held_lock+0x36/0x1d0 [ 68.124449][ T7627] ? v9fs_show_options+0x6c0/0x6c0 [ 68.129539][ T7627] ? __kasan_check_read+0x11/0x20 [ 68.134544][ T7627] ? v9fs_mount+0x55/0x7f0 [ 68.138955][ T7627] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.144482][ T7627] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.150527][ T7627] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.156318][ T7627] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.161848][ T7627] ? apparmor_task_alloc+0x2f0/0x2f0 [ 68.167118][ T7627] v9fs_mount+0x72/0x7f0 [ 68.171344][ T7627] ? v9fs_write_inode+0x50/0x50 [ 68.176174][ T7627] legacy_get_tree+0x103/0x1f0 [ 68.180921][ T7627] vfs_get_tree+0x8b/0x2d0 [ 68.185328][ T7627] ? capable+0x14/0x20 [ 68.189389][ T7627] do_mount+0x1270/0x1b60 [ 68.193696][ T7627] ? lock_downgrade+0x900/0x900 [ 68.198532][ T7627] ? copy_mount_string+0x20/0x20 [ 68.203458][ T7627] ? __kasan_check_write+0x14/0x20 [ 68.208548][ T7627] ? _copy_from_user+0xd6/0x110 [ 68.213392][ T7627] __x64_sys_mount+0x169/0x1c0 [ 68.218140][ T7627] do_syscall_64+0xd0/0x630 [ 68.222623][ T7627] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.228518][ T7627] RIP: 0033:0x458da9 [ 68.232403][ T7627] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.252704][ T7627] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.261095][ T7627] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 68.269046][ T7627] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 68.276996][ T7627] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 68.285045][ T7627] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 68.292998][ T7627] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 68.300988][ T7634] CPU: 1 PID: 7634 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 68.309576][ T7634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.311932][ T7632] FAULT_INJECTION: forcing a failure. [ 68.311932][ T7632] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.319624][ T7634] Call Trace: [ 68.336058][ T7634] dump_stack+0x12d/0x187 [ 68.340375][ T7634] should_fail.cold.4+0x5/0x13 [ 68.345115][ T7634] ? kmem_cache_alloc+0x121/0x750 [ 68.350136][ T7634] ? fault_create_debugfs_attr+0x150/0x150 [ 68.355926][ T7634] ? vfs_get_tree+0x8b/0x2d0 [ 68.360507][ T7634] ? do_mount+0x1270/0x1b60 [ 68.365001][ T7634] ? __x64_sys_mount+0x169/0x1c0 [ 68.369931][ T7634] ? do_syscall_64+0xd0/0x630 [ 68.374582][ T7634] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.380635][ T7634] should_fail_alloc_page+0x50/0x60 [ 68.385821][ T7634] __alloc_pages_nodemask+0x17f/0x890 [ 68.391173][ T7634] ? __alloc_pages_slowpath+0x2540/0x2540 [ 68.396892][ T7634] cache_grow_begin+0x92/0xca0 [ 68.401635][ T7634] ? __kmalloc+0xc5/0x790 [ 68.405958][ T7634] ? trace_hardirqs_off+0x41/0x1a0 [ 68.411049][ T7634] __kmalloc+0x6cd/0x790 [ 68.415275][ T7634] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 68.420548][ T7634] p9_fcall_init.isra.2+0x55/0x1c0 [ 68.425639][ T7634] p9_client_prepare_req.part.5+0x96/0x670 [ 68.431449][ T7634] p9_client_rpc+0x174/0xe50 [ 68.436048][ T7634] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.442115][ T7634] ? p9_pollwait+0x182/0x210 [ 68.446692][ T7634] ? pipe_poll+0xc2/0x6b0 [ 68.451027][ T7634] ? ksys_dup3+0x2e0/0x2e0 [ 68.455443][ T7634] ? p9_fd_poll+0x19b/0x2a0 [ 68.459933][ T7634] ? p9_conn_create+0x399/0x4e0 [ 68.464779][ T7634] ? p9_conn_create+0x4e0/0x4e0 [ 68.469618][ T7634] p9_client_create+0x7ec/0x10e0 [ 68.474555][ T7634] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.480600][ T7634] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.486126][ T7634] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.492169][ T7634] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.497962][ T7634] ? __kmalloc_track_caller+0x60e/0x780 [ 68.503505][ T7634] ? __x64_sys_mount+0x169/0x1c0 [ 68.508428][ T7634] ? do_syscall_64+0xd0/0x630 [ 68.513105][ T7634] ? lockdep_init_map+0x1b6/0x6c0 [ 68.518132][ T7634] v9fs_session_init+0x1ed/0x14c0 [ 68.523135][ T7634] ? v9fs_session_init+0x1ed/0x14c0 [ 68.528317][ T7634] ? __lock_acquire+0x100f/0x4ef0 [ 68.533325][ T7634] ? find_held_lock+0x36/0x1d0 [ 68.538088][ T7634] ? v9fs_show_options+0x6c0/0x6c0 [ 68.543176][ T7634] ? __kasan_check_read+0x11/0x20 [ 68.548190][ T7634] ? v9fs_mount+0x55/0x7f0 [ 68.552598][ T7634] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.558136][ T7634] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.564180][ T7634] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.569974][ T7634] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.575527][ T7634] ? apparmor_task_alloc+0x2f0/0x2f0 [ 68.580817][ T7634] v9fs_mount+0x72/0x7f0 [ 68.585055][ T7634] ? v9fs_write_inode+0x50/0x50 [ 68.589888][ T7634] legacy_get_tree+0x103/0x1f0 [ 68.594636][ T7634] vfs_get_tree+0x8b/0x2d0 [ 68.599044][ T7634] ? capable+0x14/0x20 [ 68.603122][ T7634] do_mount+0x1270/0x1b60 [ 68.607429][ T7634] ? lock_downgrade+0x900/0x900 [ 68.612271][ T7634] ? copy_mount_string+0x20/0x20 [ 68.617199][ T7634] ? __kasan_check_write+0x14/0x20 [ 68.622288][ T7634] ? _copy_from_user+0xd6/0x110 [ 68.627135][ T7634] __x64_sys_mount+0x169/0x1c0 [ 68.631883][ T7634] do_syscall_64+0xd0/0x630 [ 68.636367][ T7634] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.642249][ T7634] RIP: 0033:0x458da9 [ 68.646124][ T7634] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.665841][ T7634] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.674246][ T7634] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 68.682214][ T7634] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 68.690172][ T7634] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 68.698128][ T7634] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 68.706077][ T7634] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 68.714056][ T7632] CPU: 0 PID: 7632 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 68.722635][ T7632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.732683][ T7632] Call Trace: [ 68.733167][ T7636] FAULT_INJECTION: forcing a failure. [ 68.733167][ T7636] name failslab, interval 1, probability 0, space 0, times 0 [ 68.735963][ T7632] dump_stack+0x12d/0x187 [ 68.752948][ T7632] should_fail.cold.4+0x5/0x13 [ 68.757690][ T7632] ? do_mount+0x1270/0x1b60 [ 68.762194][ T7632] ? fault_create_debugfs_attr+0x150/0x150 [ 68.767994][ T7632] ? find_held_lock+0x36/0x1d0 [ 68.772763][ T7632] should_fail_alloc_page+0x50/0x60 [ 68.777938][ T7632] __alloc_pages_nodemask+0x17f/0x890 [ 68.783287][ T7632] ? cache_grow_end+0xa8/0x190 [ 68.788118][ T7632] ? __alloc_pages_slowpath+0x2540/0x2540 [ 68.793814][ T7632] ? do_raw_spin_lock+0x132/0x2e0 [ 68.798829][ T7632] cache_grow_begin+0x92/0xca0 [ 68.803569][ T7632] ? __kmalloc+0xc5/0x790 [ 68.807879][ T7632] ? trace_hardirqs_off+0x41/0x1a0 [ 68.812986][ T7632] __kmalloc+0x6cd/0x790 [ 68.817211][ T7632] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 68.822479][ T7632] p9_fcall_init.isra.2+0x55/0x1c0 [ 68.827572][ T7632] p9_client_prepare_req.part.5+0x116/0x670 [ 68.833460][ T7632] p9_client_rpc+0x174/0xe50 [ 68.838031][ T7632] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.844080][ T7632] ? p9_pollwait+0x182/0x210 [ 68.848650][ T7632] ? pipe_poll+0xc2/0x6b0 [ 68.852954][ T7632] ? ksys_dup3+0x2e0/0x2e0 [ 68.857352][ T7632] ? p9_fd_poll+0x19b/0x2a0 [ 68.861835][ T7632] ? p9_conn_create+0x399/0x4e0 [ 68.866680][ T7632] ? p9_conn_create+0x4e0/0x4e0 [ 68.871518][ T7632] p9_client_create+0x7ec/0x10e0 [ 68.876455][ T7632] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.882500][ T7632] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.888021][ T7632] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.894071][ T7632] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.899862][ T7632] ? __kmalloc_track_caller+0x60e/0x780 [ 68.905385][ T7632] ? __x64_sys_mount+0x169/0x1c0 [ 68.910308][ T7632] ? do_syscall_64+0xd0/0x630 [ 68.914970][ T7632] ? lockdep_init_map+0x1b6/0x6c0 [ 68.919980][ T7632] v9fs_session_init+0x1ed/0x14c0 [ 68.924988][ T7632] ? v9fs_session_init+0x1ed/0x14c0 [ 68.930163][ T7632] ? __lock_acquire+0x100f/0x4ef0 [ 68.935168][ T7632] ? find_held_lock+0x36/0x1d0 [ 68.939917][ T7632] ? v9fs_show_options+0x6c0/0x6c0 [ 68.945022][ T7632] ? __kasan_check_read+0x11/0x20 [ 68.950039][ T7632] ? v9fs_mount+0x55/0x7f0 [ 68.954435][ T7632] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.959970][ T7632] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.966025][ T7632] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.971826][ T7632] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.977354][ T7632] ? apparmor_task_alloc+0x2f0/0x2f0 [ 68.982627][ T7632] v9fs_mount+0x72/0x7f0 [ 68.986851][ T7632] ? v9fs_write_inode+0x50/0x50 [ 68.991683][ T7632] legacy_get_tree+0x103/0x1f0 [ 68.996434][ T7632] vfs_get_tree+0x8b/0x2d0 [ 69.000829][ T7632] ? capable+0x14/0x20 [ 69.004881][ T7632] do_mount+0x1270/0x1b60 [ 69.009237][ T7632] ? lock_downgrade+0x900/0x900 [ 69.014097][ T7632] ? copy_mount_string+0x20/0x20 [ 69.019043][ T7632] ? __kasan_check_write+0x14/0x20 [ 69.024144][ T7632] ? _copy_from_user+0xd6/0x110 [ 69.028979][ T7632] __x64_sys_mount+0x169/0x1c0 [ 69.033739][ T7632] do_syscall_64+0xd0/0x630 [ 69.038223][ T7632] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.044092][ T7632] RIP: 0033:0x458da9 [ 69.047965][ T7632] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.067550][ T7632] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.075937][ T7632] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 69.083889][ T7632] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.091856][ T7632] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 69.099816][ T7632] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 69.107765][ T7632] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.115765][ T7636] CPU: 1 PID: 7636 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 69.124351][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.127370][ T7637] FAULT_INJECTION: forcing a failure. [ 69.127370][ T7637] name failslab, interval 1, probability 0, space 0, times 0 [ 69.134392][ T7636] Call Trace: [ 69.134406][ T7636] dump_stack+0x12d/0x187 [ 69.134421][ T7636] should_fail.cold.4+0x5/0x13 [ 69.134428][ T7636] ? stack_trace_save+0x82/0xb0 [ 69.134438][ T7636] ? fault_create_debugfs_attr+0x150/0x150 [ 69.134459][ T7636] __should_failslab+0xba/0xf0 [ 69.174824][ T7636] should_failslab+0x9/0x14 [ 69.179318][ T7636] kmem_cache_alloc+0x47/0x750 [ 69.184066][ T7636] ? __x64_sys_mount+0x169/0x1c0 [ 69.189010][ T7636] ? do_syscall_64+0xd0/0x630 [ 69.193698][ T7636] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 69.200101][ T7636] ? __kasan_check_read+0x11/0x20 [ 69.205116][ T7636] idr_get_free+0x35d/0x880 [ 69.209614][ T7636] ? __kasan_check_read+0x11/0x20 [ 69.214630][ T7636] idr_alloc_u32+0x13a/0x330 [ 69.219209][ T7636] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 69.224731][ T7636] ? mark_held_locks+0x130/0x130 [ 69.229649][ T7636] ? __kasan_check_write+0x14/0x20 [ 69.234740][ T7636] ? do_raw_spin_lock+0x132/0x2e0 [ 69.239746][ T7636] idr_alloc+0x7d/0xc0 [ 69.243797][ T7636] ? idr_alloc_u32+0x330/0x330 [ 69.248552][ T7636] p9_client_prepare_req.part.5+0x571/0x670 [ 69.254429][ T7636] p9_client_rpc+0x174/0xe50 [ 69.259008][ T7636] ? p9_client_prepare_req.part.5+0x670/0x670 [ 69.265063][ T7636] ? p9_pollwait+0x182/0x210 [ 69.269648][ T7636] ? pipe_poll+0xc2/0x6b0 [ 69.273953][ T7636] ? ksys_dup3+0x2e0/0x2e0 [ 69.278346][ T7636] ? p9_fd_poll+0x19b/0x2a0 [ 69.282832][ T7636] ? p9_conn_create+0x399/0x4e0 [ 69.287670][ T7636] ? p9_conn_create+0x4e0/0x4e0 [ 69.292532][ T7636] p9_client_create+0x7ec/0x10e0 [ 69.297456][ T7636] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 69.303501][ T7636] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.309030][ T7636] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.315082][ T7636] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.320877][ T7636] ? __kmalloc_track_caller+0x60e/0x780 [ 69.326407][ T7636] ? __x64_sys_mount+0x169/0x1c0 [ 69.331356][ T7636] ? do_syscall_64+0xd0/0x630 [ 69.336011][ T7636] ? lockdep_init_map+0x1b6/0x6c0 [ 69.341029][ T7636] v9fs_session_init+0x1ed/0x14c0 [ 69.346048][ T7636] ? v9fs_session_init+0x1ed/0x14c0 [ 69.351229][ T7636] ? __lock_acquire+0x100f/0x4ef0 [ 69.356249][ T7636] ? find_held_lock+0x36/0x1d0 [ 69.361010][ T7636] ? v9fs_show_options+0x6c0/0x6c0 [ 69.366120][ T7636] ? __kasan_check_read+0x11/0x20 [ 69.371127][ T7636] ? v9fs_mount+0x55/0x7f0 [ 69.375519][ T7636] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.381046][ T7636] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.387097][ T7636] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.392901][ T7636] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.398432][ T7636] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.403710][ T7636] v9fs_mount+0x72/0x7f0 [ 69.407948][ T7636] ? v9fs_write_inode+0x50/0x50 [ 69.412797][ T7636] legacy_get_tree+0x103/0x1f0 [ 69.417544][ T7636] vfs_get_tree+0x8b/0x2d0 [ 69.421940][ T7636] ? capable+0x14/0x20 [ 69.426009][ T7636] do_mount+0x1270/0x1b60 [ 69.430330][ T7636] ? lock_downgrade+0x900/0x900 [ 69.435185][ T7636] ? copy_mount_string+0x20/0x20 [ 69.440128][ T7636] ? __kasan_check_write+0x14/0x20 [ 69.445226][ T7636] ? _copy_from_user+0xd6/0x110 [ 69.450075][ T7636] __x64_sys_mount+0x169/0x1c0 [ 69.450381][ T7644] FAULT_INJECTION: forcing a failure. [ 69.450381][ T7644] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 69.454837][ T7636] do_syscall_64+0xd0/0x630 [ 69.472491][ T7636] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.478366][ T7636] RIP: 0033:0x458da9 [ 69.482238][ T7636] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.501819][ T7636] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.510233][ T7636] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 69.518186][ T7636] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.526136][ T7636] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 69.534096][ T7636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 69.542045][ T7636] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.550022][ T7644] CPU: 0 PID: 7644 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 69.558602][ T7644] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.568644][ T7644] Call Trace: [ 69.571922][ T7644] dump_stack+0x12d/0x187 [ 69.576248][ T7644] should_fail.cold.4+0x5/0x13 [ 69.581004][ T7644] ? do_mount+0x1270/0x1b60 [ 69.585499][ T7644] ? fault_create_debugfs_attr+0x150/0x150 [ 69.591387][ T7644] ? find_held_lock+0x36/0x1d0 [ 69.596137][ T7644] should_fail_alloc_page+0x50/0x60 [ 69.601311][ T7644] __alloc_pages_nodemask+0x17f/0x890 [ 69.606659][ T7644] ? cache_grow_end+0xa8/0x190 [ 69.611425][ T7644] ? __alloc_pages_slowpath+0x2540/0x2540 [ 69.617642][ T7644] ? do_raw_spin_lock+0x132/0x2e0 [ 69.622668][ T7644] cache_grow_begin+0x92/0xca0 [ 69.627434][ T7644] ? __kmalloc+0xc5/0x790 [ 69.631742][ T7644] ? trace_hardirqs_off+0x41/0x1a0 [ 69.636833][ T7644] __kmalloc+0x6cd/0x790 [ 69.641055][ T7644] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 69.646321][ T7644] p9_fcall_init.isra.2+0x55/0x1c0 [ 69.651411][ T7644] p9_client_prepare_req.part.5+0x116/0x670 [ 69.657307][ T7644] p9_client_rpc+0x174/0xe50 [ 69.661897][ T7644] ? p9_client_prepare_req.part.5+0x670/0x670 [ 69.668035][ T7644] ? p9_pollwait+0x182/0x210 [ 69.672605][ T7644] ? pipe_poll+0xc2/0x6b0 [ 69.677096][ T7644] ? ksys_dup3+0x2e0/0x2e0 [ 69.681496][ T7644] ? p9_fd_poll+0x19b/0x2a0 [ 69.685986][ T7644] ? p9_conn_create+0x399/0x4e0 [ 69.690832][ T7644] ? p9_conn_create+0x4e0/0x4e0 [ 69.695670][ T7644] p9_client_create+0x7ec/0x10e0 [ 69.700593][ T7644] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 69.706634][ T7644] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.712154][ T7644] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.718196][ T7644] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.723985][ T7644] ? __kmalloc_track_caller+0x60e/0x780 [ 69.729508][ T7644] ? __x64_sys_mount+0x169/0x1c0 [ 69.734442][ T7644] ? do_syscall_64+0xd0/0x630 [ 69.739100][ T7644] ? lockdep_init_map+0x1b6/0x6c0 [ 69.744123][ T7644] v9fs_session_init+0x1ed/0x14c0 [ 69.749123][ T7644] ? v9fs_session_init+0x1ed/0x14c0 [ 69.754309][ T7644] ? __lock_acquire+0x100f/0x4ef0 [ 69.759313][ T7644] ? find_held_lock+0x36/0x1d0 [ 69.764073][ T7644] ? v9fs_show_options+0x6c0/0x6c0 [ 69.769158][ T7644] ? __kasan_check_read+0x11/0x20 [ 69.774172][ T7644] ? v9fs_mount+0x55/0x7f0 [ 69.778581][ T7644] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.784106][ T7644] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.790148][ T7644] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.795937][ T7644] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.801477][ T7644] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.806741][ T7644] v9fs_mount+0x72/0x7f0 [ 69.810966][ T7644] ? v9fs_write_inode+0x50/0x50 [ 69.815793][ T7644] legacy_get_tree+0x103/0x1f0 [ 69.820548][ T7644] vfs_get_tree+0x8b/0x2d0 [ 69.824948][ T7644] ? capable+0x14/0x20 [ 69.829005][ T7644] do_mount+0x1270/0x1b60 [ 69.833319][ T7644] ? lock_downgrade+0x900/0x900 [ 69.838161][ T7644] ? copy_mount_string+0x20/0x20 [ 69.843103][ T7644] ? __kasan_check_write+0x14/0x20 [ 69.848192][ T7644] ? _copy_from_user+0xd6/0x110 [ 69.853028][ T7644] __x64_sys_mount+0x169/0x1c0 [ 69.857773][ T7644] do_syscall_64+0xd0/0x630 [ 69.862316][ T7644] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.868225][ T7644] RIP: 0033:0x458da9 [ 69.872100][ T7644] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.891685][ T7644] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.900127][ T7644] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 69.908103][ T7644] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.916053][ T7644] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 69.924015][ T7644] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 69.931964][ T7644] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.939935][ T7630] CPU: 1 PID: 7630 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 69.948519][ T7630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.958567][ T7630] Call Trace: [ 69.961850][ T7630] dump_stack+0x12d/0x187 [ 69.966184][ T7630] should_fail.cold.4+0x5/0x13 [ 69.970943][ T7630] ? fault_create_debugfs_attr+0x150/0x150 [ 69.976734][ T7630] ? ___might_sleep+0x16b/0x2b0 [ 69.981575][ T7630] __should_failslab+0xba/0xf0 [ 69.986319][ T7630] should_failslab+0x9/0x14 [ 69.990832][ T7630] __kmalloc+0x2eb/0x790 [ 69.995074][ T7630] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 70.000351][ T7630] p9_fcall_init.isra.2+0x55/0x1c0 [ 70.005442][ T7630] p9_client_prepare_req.part.5+0x116/0x670 [ 70.011324][ T7630] p9_client_rpc+0x174/0xe50 [ 70.015904][ T7630] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.021970][ T7630] ? p9_pollwait+0x182/0x210 [ 70.026542][ T7630] ? pipe_poll+0xc2/0x6b0 [ 70.030857][ T7630] ? ksys_dup3+0x2e0/0x2e0 [ 70.035263][ T7630] ? p9_fd_poll+0x19b/0x2a0 [ 70.039753][ T7630] ? p9_conn_create+0x399/0x4e0 [ 70.044585][ T7630] ? p9_conn_create+0x4e0/0x4e0 [ 70.049421][ T7630] p9_client_create+0x7ec/0x10e0 [ 70.054353][ T7630] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.060506][ T7630] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.066034][ T7630] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.072081][ T7630] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.077901][ T7630] ? __kmalloc_track_caller+0x60e/0x780 [ 70.083445][ T7630] ? __x64_sys_mount+0x169/0x1c0 [ 70.088368][ T7630] ? do_syscall_64+0xd0/0x630 [ 70.093030][ T7630] ? lockdep_init_map+0x1b6/0x6c0 [ 70.098135][ T7630] v9fs_session_init+0x1ed/0x14c0 [ 70.103134][ T7630] ? v9fs_session_init+0x1ed/0x14c0 [ 70.108306][ T7630] ? __lock_acquire+0x100f/0x4ef0 [ 70.113322][ T7630] ? find_held_lock+0x36/0x1d0 [ 70.118075][ T7630] ? v9fs_show_options+0x6c0/0x6c0 [ 70.123179][ T7630] ? __kasan_check_read+0x11/0x20 [ 70.128184][ T7630] ? v9fs_mount+0x55/0x7f0 [ 70.132582][ T7630] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.138108][ T7630] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.144149][ T7630] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.149939][ T7630] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.155465][ T7630] ? apparmor_task_alloc+0x2f0/0x2f0 [ 70.160731][ T7630] v9fs_mount+0x72/0x7f0 [ 70.164968][ T7630] ? v9fs_write_inode+0x50/0x50 [ 70.169812][ T7630] legacy_get_tree+0x103/0x1f0 [ 70.174568][ T7630] vfs_get_tree+0x8b/0x2d0 [ 70.178964][ T7630] ? capable+0x14/0x20 [ 70.183036][ T7630] do_mount+0x1270/0x1b60 [ 70.187340][ T7630] ? lock_downgrade+0x900/0x900 [ 70.192177][ T7630] ? copy_mount_string+0x20/0x20 [ 70.197107][ T7630] ? __kasan_check_write+0x14/0x20 [ 70.202196][ T7630] ? _copy_from_user+0xd6/0x110 [ 70.207032][ T7630] __x64_sys_mount+0x169/0x1c0 [ 70.211785][ T7630] do_syscall_64+0xd0/0x630 [ 70.216277][ T7630] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.222149][ T7630] RIP: 0033:0x458da9 [ 70.226018][ T7630] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.245601][ T7630] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.253997][ T7630] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 70.261955][ T7630] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 70.269910][ T7630] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 70.277864][ T7630] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 70.285813][ T7630] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 70.294582][ T7637] CPU: 0 PID: 7637 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 70.303253][ T7637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.313299][ T7637] Call Trace: [ 70.313839][ T7654] FAULT_INJECTION: forcing a failure. [ 70.313839][ T7654] name failslab, interval 1, probability 0, space 0, times 0 [ 70.316578][ T7637] dump_stack+0x12d/0x187 [ 70.333444][ T7637] should_fail.cold.4+0x5/0x13 [ 70.338196][ T7637] ? fault_create_debugfs_attr+0x150/0x150 [ 70.343995][ T7637] ? ___might_sleep+0x16b/0x2b0 [ 70.348844][ T7637] __should_failslab+0xba/0xf0 [ 70.353610][ T7637] should_failslab+0x9/0x14 [ 70.358102][ T7637] __kmalloc+0x2eb/0x790 [ 70.362327][ T7637] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 70.367594][ T7637] p9_fcall_init.isra.2+0x55/0x1c0 [ 70.372688][ T7637] p9_client_prepare_req.part.5+0x116/0x670 [ 70.378585][ T7637] p9_client_rpc+0x174/0xe50 [ 70.383196][ T7637] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.390026][ T7637] ? p9_pollwait+0x182/0x210 [ 70.394596][ T7637] ? pipe_poll+0xc2/0x6b0 [ 70.398921][ T7637] ? ksys_dup3+0x2e0/0x2e0 [ 70.403329][ T7637] ? p9_fd_poll+0x19b/0x2a0 [ 70.407818][ T7637] ? p9_conn_create+0x399/0x4e0 [ 70.412786][ T7637] ? p9_conn_create+0x4e0/0x4e0 [ 70.417640][ T7637] p9_client_create+0x7ec/0x10e0 [ 70.422684][ T7637] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.428724][ T7637] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.434251][ T7637] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.440301][ T7637] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.446090][ T7637] ? __kmalloc_track_caller+0x60e/0x780 [ 70.451611][ T7637] ? __x64_sys_mount+0x169/0x1c0 [ 70.456523][ T7637] ? do_syscall_64+0xd0/0x630 [ 70.461198][ T7637] ? lockdep_init_map+0x1b6/0x6c0 [ 70.466235][ T7637] v9fs_session_init+0x1ed/0x14c0 [ 70.471253][ T7637] ? v9fs_session_init+0x1ed/0x14c0 [ 70.476537][ T7637] ? __lock_acquire+0x100f/0x4ef0 [ 70.481567][ T7637] ? find_held_lock+0x36/0x1d0 [ 70.486315][ T7637] ? v9fs_show_options+0x6c0/0x6c0 [ 70.491405][ T7637] ? __kasan_check_read+0x11/0x20 [ 70.496415][ T7637] ? v9fs_mount+0x55/0x7f0 [ 70.500820][ T7637] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.506351][ T7637] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.512406][ T7637] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.518303][ T7637] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.523842][ T7637] ? apparmor_task_alloc+0x2f0/0x2f0 [ 70.529108][ T7637] v9fs_mount+0x72/0x7f0 [ 70.533339][ T7637] ? v9fs_write_inode+0x50/0x50 [ 70.538168][ T7637] legacy_get_tree+0x103/0x1f0 [ 70.542915][ T7637] vfs_get_tree+0x8b/0x2d0 [ 70.547307][ T7637] ? capable+0x14/0x20 [ 70.551363][ T7637] do_mount+0x1270/0x1b60 [ 70.555668][ T7637] ? lock_downgrade+0x900/0x900 [ 70.560498][ T7637] ? copy_mount_string+0x20/0x20 [ 70.565423][ T7637] ? __kasan_check_write+0x14/0x20 [ 70.570509][ T7637] ? _copy_from_user+0xd6/0x110 [ 70.575358][ T7637] __x64_sys_mount+0x169/0x1c0 [ 70.580100][ T7637] do_syscall_64+0xd0/0x630 [ 70.584586][ T7637] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.590468][ T7637] RIP: 0033:0x458da9 [ 70.594345][ T7637] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.613937][ T7637] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.622330][ T7637] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 70.630295][ T7637] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 70.638248][ T7637] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 70.646203][ T7637] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 70.654153][ T7637] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 70.662153][ T7654] CPU: 1 PID: 7654 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 70.670744][ T7654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.680820][ T7654] Call Trace: [ 70.684106][ T7654] dump_stack+0x12d/0x187 [ 70.684707][ T7658] FAULT_INJECTION: forcing a failure. [ 70.684707][ T7658] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 70.688451][ T7654] should_fail.cold.4+0x5/0x13 [ 70.706358][ T7654] ? stack_trace_save+0x82/0xb0 [ 70.711192][ T7654] ? fault_create_debugfs_attr+0x150/0x150 [ 70.716987][ T7654] __should_failslab+0xba/0xf0 [ 70.721730][ T7654] should_failslab+0x9/0x14 [ 70.726212][ T7654] kmem_cache_alloc+0x47/0x750 [ 70.730951][ T7654] ? __x64_sys_mount+0x169/0x1c0 [ 70.735863][ T7654] ? do_syscall_64+0xd0/0x630 [ 70.740528][ T7654] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 70.746917][ T7654] ? __kasan_check_read+0x11/0x20 [ 70.751918][ T7654] idr_get_free+0x35d/0x880 [ 70.756430][ T7654] ? __kasan_check_read+0x11/0x20 [ 70.761530][ T7654] idr_alloc_u32+0x13a/0x330 [ 70.766122][ T7654] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 70.771645][ T7654] ? mark_held_locks+0x130/0x130 [ 70.776562][ T7654] ? __kasan_check_write+0x14/0x20 [ 70.781658][ T7654] ? do_raw_spin_lock+0x132/0x2e0 [ 70.786660][ T7654] idr_alloc+0x7d/0xc0 [ 70.790706][ T7654] ? idr_alloc_u32+0x330/0x330 [ 70.795455][ T7654] p9_client_prepare_req.part.5+0x571/0x670 [ 70.801345][ T7654] p9_client_rpc+0x174/0xe50 [ 70.805917][ T7654] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.812049][ T7654] ? p9_pollwait+0x182/0x210 [ 70.816635][ T7654] ? pipe_poll+0xc2/0x6b0 [ 70.820942][ T7654] ? ksys_dup3+0x2e0/0x2e0 [ 70.825348][ T7654] ? p9_fd_poll+0x19b/0x2a0 [ 70.829830][ T7654] ? p9_conn_create+0x399/0x4e0 [ 70.834675][ T7654] ? p9_conn_create+0x4e0/0x4e0 [ 70.839512][ T7654] p9_client_create+0x7ec/0x10e0 [ 70.844457][ T7654] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.850506][ T7654] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.856041][ T7654] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.862083][ T7654] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.867872][ T7654] ? __kmalloc_track_caller+0x60e/0x780 [ 70.873440][ T7654] ? __x64_sys_mount+0x169/0x1c0 [ 70.878353][ T7654] ? do_syscall_64+0xd0/0x630 [ 70.883004][ T7654] ? lockdep_init_map+0x1b6/0x6c0 [ 70.888016][ T7654] v9fs_session_init+0x1ed/0x14c0 [ 70.893036][ T7654] ? v9fs_session_init+0x1ed/0x14c0 [ 70.898212][ T7654] ? __lock_acquire+0x100f/0x4ef0 [ 70.903249][ T7654] ? find_held_lock+0x36/0x1d0 [ 70.908011][ T7654] ? v9fs_show_options+0x6c0/0x6c0 [ 70.913111][ T7654] ? __kasan_check_read+0x11/0x20 [ 70.918130][ T7654] ? v9fs_mount+0x55/0x7f0 [ 70.922524][ T7654] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.928045][ T7654] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.934082][ T7654] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.939870][ T7654] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.945409][ T7654] ? apparmor_task_alloc+0x2f0/0x2f0 [ 70.950678][ T7654] v9fs_mount+0x72/0x7f0 [ 70.954903][ T7654] ? v9fs_write_inode+0x50/0x50 [ 70.959730][ T7654] legacy_get_tree+0x103/0x1f0 [ 70.964479][ T7654] vfs_get_tree+0x8b/0x2d0 [ 70.968883][ T7654] ? capable+0x14/0x20 [ 70.972930][ T7654] do_mount+0x1270/0x1b60 [ 70.977251][ T7654] ? lock_downgrade+0x900/0x900 [ 70.982085][ T7654] ? copy_mount_string+0x20/0x20 [ 70.987008][ T7654] ? __kasan_check_write+0x14/0x20 [ 70.992095][ T7654] ? _copy_from_user+0xd6/0x110 [ 70.996925][ T7654] __x64_sys_mount+0x169/0x1c0 [ 71.001666][ T7654] do_syscall_64+0xd0/0x630 [ 71.006149][ T7654] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.012030][ T7654] RIP: 0033:0x458da9 [ 71.015900][ T7654] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.035487][ T7654] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.043874][ T7654] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 71.051835][ T7654] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 71.059797][ T7654] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 71.067748][ T7654] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 71.075695][ T7654] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 71.083667][ T7658] CPU: 0 PID: 7658 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 71.091965][ T7659] FAULT_INJECTION: forcing a failure. [ 71.091965][ T7659] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.092250][ T7658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.115455][ T7658] Call Trace: [ 71.118736][ T7658] dump_stack+0x12d/0x187 [ 71.123046][ T7658] should_fail.cold.4+0x5/0x13 [ 71.127786][ T7658] ? do_mount+0x1270/0x1b60 [ 71.132268][ T7658] ? fault_create_debugfs_attr+0x150/0x150 [ 71.138052][ T7658] ? find_held_lock+0x36/0x1d0 [ 71.142795][ T7658] should_fail_alloc_page+0x50/0x60 [ 71.147964][ T7658] __alloc_pages_nodemask+0x17f/0x890 [ 71.153314][ T7658] ? cache_grow_end+0xa8/0x190 [ 71.158065][ T7658] ? __alloc_pages_slowpath+0x2540/0x2540 [ 71.163761][ T7658] ? do_raw_spin_lock+0x132/0x2e0 [ 71.168773][ T7658] cache_grow_begin+0x92/0xca0 [ 71.173510][ T7658] ? __kmalloc+0xc5/0x790 [ 71.177818][ T7658] ? trace_hardirqs_off+0x41/0x1a0 [ 71.182907][ T7658] __kmalloc+0x6cd/0x790 [ 71.187137][ T7658] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 71.192401][ T7658] p9_fcall_init.isra.2+0x55/0x1c0 [ 71.197493][ T7658] p9_client_prepare_req.part.5+0x116/0x670 [ 71.203368][ T7658] p9_client_rpc+0x174/0xe50 [ 71.207955][ T7658] ? p9_client_prepare_req.part.5+0x670/0x670 [ 71.214020][ T7658] ? p9_pollwait+0x182/0x210 [ 71.218606][ T7658] ? pipe_poll+0xc2/0x6b0 [ 71.222911][ T7658] ? ksys_dup3+0x2e0/0x2e0 [ 71.227307][ T7658] ? p9_fd_poll+0x19b/0x2a0 [ 71.231789][ T7658] ? p9_conn_create+0x399/0x4e0 [ 71.236636][ T7658] ? p9_conn_create+0x4e0/0x4e0 [ 71.241482][ T7658] p9_client_create+0x7ec/0x10e0 [ 71.246413][ T7658] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 71.252456][ T7658] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.257977][ T7658] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.264021][ T7658] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.269807][ T7658] ? __kmalloc_track_caller+0x60e/0x780 [ 71.275328][ T7658] ? __x64_sys_mount+0x169/0x1c0 [ 71.280239][ T7658] ? do_syscall_64+0xd0/0x630 [ 71.284889][ T7658] ? lockdep_init_map+0x1b6/0x6c0 [ 71.289898][ T7658] v9fs_session_init+0x1ed/0x14c0 [ 71.294897][ T7658] ? v9fs_session_init+0x1ed/0x14c0 [ 71.300069][ T7658] ? __lock_acquire+0x100f/0x4ef0 [ 71.305071][ T7658] ? find_held_lock+0x36/0x1d0 [ 71.309906][ T7658] ? v9fs_show_options+0x6c0/0x6c0 [ 71.314991][ T7658] ? __kasan_check_read+0x11/0x20 [ 71.319993][ T7658] ? v9fs_mount+0x55/0x7f0 [ 71.324386][ T7658] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.329918][ T7658] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.335969][ T7658] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.341762][ T7658] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.347292][ T7658] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.352559][ T7658] v9fs_mount+0x72/0x7f0 [ 71.356797][ T7658] ? v9fs_write_inode+0x50/0x50 [ 71.361626][ T7658] legacy_get_tree+0x103/0x1f0 [ 71.367673][ T7658] vfs_get_tree+0x8b/0x2d0 [ 71.372067][ T7658] ? capable+0x14/0x20 [ 71.376117][ T7658] do_mount+0x1270/0x1b60 [ 71.380423][ T7658] ? lock_downgrade+0x900/0x900 [ 71.385252][ T7658] ? copy_mount_string+0x20/0x20 [ 71.390196][ T7658] ? __kasan_check_write+0x14/0x20 [ 71.395299][ T7658] ? _copy_from_user+0xd6/0x110 [ 71.400134][ T7658] __x64_sys_mount+0x169/0x1c0 [ 71.404892][ T7658] do_syscall_64+0xd0/0x630 [ 71.409376][ T7658] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.415244][ T7658] RIP: 0033:0x458da9 [ 71.419126][ T7658] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.438708][ T7658] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.447093][ T7658] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 71.455042][ T7658] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 71.462991][ T7658] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 71.470940][ T7658] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 71.478903][ T7658] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 71.486879][ T7659] CPU: 1 PID: 7659 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 71.495469][ T7659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.505516][ T7659] Call Trace: [ 71.508794][ T7659] dump_stack+0x12d/0x187 [ 71.513125][ T7659] should_fail.cold.4+0x5/0x13 [ 71.517883][ T7659] ? do_mount+0x1270/0x1b60 [ 71.522406][ T7659] ? fault_create_debugfs_attr+0x150/0x150 [ 71.528209][ T7659] ? find_held_lock+0x36/0x1d0 [ 71.530358][ T7662] FAULT_INJECTION: forcing a failure. [ 71.530358][ T7662] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.532968][ T7659] should_fail_alloc_page+0x50/0x60 [ 71.551316][ T7659] __alloc_pages_nodemask+0x17f/0x890 [ 71.556679][ T7659] ? cache_grow_end+0xa8/0x190 [ 71.561422][ T7659] ? __alloc_pages_slowpath+0x2540/0x2540 [ 71.567134][ T7659] ? do_raw_spin_lock+0x132/0x2e0 [ 71.572149][ T7659] cache_grow_begin+0x92/0xca0 [ 71.576887][ T7659] ? __kmalloc+0xc5/0x790 [ 71.581197][ T7659] ? trace_hardirqs_off+0x41/0x1a0 [ 71.586304][ T7659] __kmalloc+0x6cd/0x790 [ 71.590532][ T7659] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 71.595822][ T7659] p9_fcall_init.isra.2+0x55/0x1c0 [ 71.600925][ T7659] p9_client_prepare_req.part.5+0x116/0x670 [ 71.606803][ T7659] p9_client_rpc+0x174/0xe50 [ 71.611378][ T7659] ? p9_client_prepare_req.part.5+0x670/0x670 [ 71.617440][ T7659] ? p9_pollwait+0x182/0x210 [ 71.622010][ T7659] ? pipe_poll+0xc2/0x6b0 [ 71.626316][ T7659] ? ksys_dup3+0x2e0/0x2e0 [ 71.630712][ T7659] ? p9_fd_poll+0x19b/0x2a0 [ 71.635199][ T7659] ? p9_conn_create+0x399/0x4e0 [ 71.640047][ T7659] ? p9_conn_create+0x4e0/0x4e0 [ 71.644883][ T7659] p9_client_create+0x7ec/0x10e0 [ 71.649828][ T7659] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 71.655892][ T7659] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.661444][ T7659] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.667491][ T7659] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.673292][ T7659] ? __kmalloc_track_caller+0x60e/0x780 [ 71.678828][ T7659] ? __x64_sys_mount+0x169/0x1c0 [ 71.683742][ T7659] ? do_syscall_64+0xd0/0x630 [ 71.688392][ T7659] ? lockdep_init_map+0x1b6/0x6c0 [ 71.693420][ T7659] v9fs_session_init+0x1ed/0x14c0 [ 71.698421][ T7659] ? v9fs_session_init+0x1ed/0x14c0 [ 71.703591][ T7659] ? __lock_acquire+0x100f/0x4ef0 [ 71.708594][ T7659] ? find_held_lock+0x36/0x1d0 [ 71.713342][ T7659] ? v9fs_show_options+0x6c0/0x6c0 [ 71.718432][ T7659] ? __kasan_check_read+0x11/0x20 [ 71.723437][ T7659] ? v9fs_mount+0x55/0x7f0 [ 71.727832][ T7659] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.733351][ T7659] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.739739][ T7659] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.745526][ T7659] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.751050][ T7659] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.756316][ T7659] v9fs_mount+0x72/0x7f0 [ 71.760537][ T7659] ? v9fs_write_inode+0x50/0x50 [ 71.765381][ T7659] legacy_get_tree+0x103/0x1f0 [ 71.770126][ T7659] vfs_get_tree+0x8b/0x2d0 [ 71.774532][ T7659] ? capable+0x14/0x20 [ 71.778610][ T7659] do_mount+0x1270/0x1b60 [ 71.782941][ T7659] ? lock_downgrade+0x900/0x900 [ 71.787777][ T7659] ? copy_mount_string+0x20/0x20 [ 71.792703][ T7659] ? __kasan_check_write+0x14/0x20 [ 71.797789][ T7659] ? _copy_from_user+0xd6/0x110 [ 71.802621][ T7659] __x64_sys_mount+0x169/0x1c0 [ 71.807366][ T7659] do_syscall_64+0xd0/0x630 [ 71.811866][ T7659] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.817733][ T7659] RIP: 0033:0x458da9 [ 71.821603][ T7659] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.841195][ T7659] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.849588][ T7659] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 71.857539][ T7659] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 71.865503][ T7659] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 71.873487][ T7659] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 71.881435][ T7659] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 71.889409][ T7662] CPU: 0 PID: 7662 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 71.895793][ T7663] FAULT_INJECTION: forcing a failure. [ 71.895793][ T7663] name failslab, interval 1, probability 0, space 0, times 0 [ 71.897983][ T7662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.897987][ T7662] Call Trace: [ 71.897998][ T7662] dump_stack+0x12d/0x187 [ 71.898016][ T7662] should_fail.cold.4+0x5/0x13 [ 71.932955][ T7662] ? do_mount+0x1270/0x1b60 [ 71.937457][ T7662] ? fault_create_debugfs_attr+0x150/0x150 [ 71.943268][ T7662] ? find_held_lock+0x36/0x1d0 [ 71.948017][ T7662] should_fail_alloc_page+0x50/0x60 [ 71.953193][ T7662] __alloc_pages_nodemask+0x17f/0x890 [ 71.958552][ T7662] ? cache_grow_end+0xa8/0x190 [ 71.963314][ T7662] ? __alloc_pages_slowpath+0x2540/0x2540 [ 71.969042][ T7662] ? do_raw_spin_lock+0x132/0x2e0 [ 71.974057][ T7662] cache_grow_begin+0x92/0xca0 [ 71.978804][ T7662] ? __kmalloc+0xc5/0x790 [ 71.983116][ T7662] ? trace_hardirqs_off+0x41/0x1a0 [ 71.988210][ T7662] __kmalloc+0x6cd/0x790 [ 71.992435][ T7662] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 71.997704][ T7662] p9_fcall_init.isra.2+0x55/0x1c0 [ 72.002799][ T7662] p9_client_prepare_req.part.5+0x116/0x670 [ 72.008679][ T7662] p9_client_rpc+0x174/0xe50 [ 72.013256][ T7662] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.019306][ T7662] ? p9_pollwait+0x182/0x210 [ 72.023877][ T7662] ? pipe_poll+0xc2/0x6b0 [ 72.028196][ T7662] ? ksys_dup3+0x2e0/0x2e0 [ 72.032591][ T7662] ? p9_fd_poll+0x19b/0x2a0 [ 72.037086][ T7662] ? p9_conn_create+0x399/0x4e0 [ 72.041929][ T7662] ? p9_conn_create+0x4e0/0x4e0 [ 72.046768][ T7662] p9_client_create+0x7ec/0x10e0 [ 72.051696][ T7662] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.057751][ T7662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.063280][ T7662] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.069337][ T7662] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.075138][ T7662] ? __kmalloc_track_caller+0x60e/0x780 [ 72.080659][ T7662] ? __x64_sys_mount+0x169/0x1c0 [ 72.085576][ T7662] ? do_syscall_64+0xd0/0x630 [ 72.090228][ T7662] ? lockdep_init_map+0x1b6/0x6c0 [ 72.095243][ T7662] v9fs_session_init+0x1ed/0x14c0 [ 72.100243][ T7662] ? v9fs_session_init+0x1ed/0x14c0 [ 72.105530][ T7662] ? __lock_acquire+0x100f/0x4ef0 [ 72.110562][ T7662] ? find_held_lock+0x36/0x1d0 [ 72.115319][ T7662] ? v9fs_show_options+0x6c0/0x6c0 [ 72.120406][ T7662] ? __kasan_check_read+0x11/0x20 [ 72.125408][ T7662] ? v9fs_mount+0x55/0x7f0 [ 72.129799][ T7662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.135319][ T7662] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.141359][ T7662] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.147234][ T7662] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.152759][ T7662] ? apparmor_task_alloc+0x2f0/0x2f0 [ 72.158024][ T7662] v9fs_mount+0x72/0x7f0 [ 72.162248][ T7662] ? v9fs_write_inode+0x50/0x50 [ 72.167177][ T7662] legacy_get_tree+0x103/0x1f0 [ 72.171921][ T7662] vfs_get_tree+0x8b/0x2d0 [ 72.176311][ T7662] ? capable+0x14/0x20 [ 72.180359][ T7662] do_mount+0x1270/0x1b60 [ 72.184666][ T7662] ? lock_downgrade+0x900/0x900 [ 72.189496][ T7662] ? copy_mount_string+0x20/0x20 [ 72.194419][ T7662] ? __kasan_check_write+0x14/0x20 [ 72.199527][ T7662] ? _copy_from_user+0xd6/0x110 [ 72.204360][ T7662] __x64_sys_mount+0x169/0x1c0 [ 72.209117][ T7662] do_syscall_64+0xd0/0x630 [ 72.213600][ T7662] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.219466][ T7662] RIP: 0033:0x458da9 [ 72.223340][ T7662] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.242927][ T7662] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.251328][ T7662] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 72.259275][ T7662] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.267223][ T7662] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.275184][ T7662] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 72.283154][ T7662] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.302162][ T7663] CPU: 1 PID: 7663 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 72.310777][ T7663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.320825][ T7663] Call Trace: [ 72.324107][ T7663] dump_stack+0x12d/0x187 [ 72.328470][ T7663] should_fail.cold.4+0x5/0x13 [ 72.333238][ T7663] ? fault_create_debugfs_attr+0x150/0x150 [ 72.335105][ T7674] FAULT_INJECTION: forcing a failure. [ 72.335105][ T7674] name failslab, interval 1, probability 0, space 0, times 0 [ 72.339055][ T7663] ? ___might_sleep+0x16b/0x2b0 [ 72.339069][ T7663] __should_failslab+0xba/0xf0 [ 72.339079][ T7663] should_failslab+0x9/0x14 [ 72.354961][ T7675] FAULT_INJECTION: forcing a failure. [ 72.354961][ T7675] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.356472][ T7663] __kmalloc+0x2eb/0x790 [ 72.383100][ T7663] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 72.388368][ T7663] p9_fcall_init.isra.2+0x55/0x1c0 [ 72.393544][ T7663] p9_client_prepare_req.part.5+0x116/0x670 [ 72.399422][ T7663] p9_client_rpc+0x174/0xe50 [ 72.404003][ T7663] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.410077][ T7663] ? p9_pollwait+0x182/0x210 [ 72.414650][ T7663] ? pipe_poll+0xc2/0x6b0 [ 72.418967][ T7663] ? ksys_dup3+0x2e0/0x2e0 [ 72.423372][ T7663] ? p9_fd_poll+0x19b/0x2a0 [ 72.427865][ T7663] ? p9_conn_create+0x399/0x4e0 [ 72.432696][ T7663] ? p9_conn_create+0x4e0/0x4e0 [ 72.437531][ T7663] p9_client_create+0x7ec/0x10e0 [ 72.442453][ T7663] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.448510][ T7663] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.454034][ T7663] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.460091][ T7663] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.465896][ T7663] ? __kmalloc_track_caller+0x60e/0x780 [ 72.471427][ T7663] ? __x64_sys_mount+0x169/0x1c0 [ 72.476352][ T7663] ? do_syscall_64+0xd0/0x630 [ 72.481004][ T7663] ? lockdep_init_map+0x1b6/0x6c0 [ 72.486024][ T7663] v9fs_session_init+0x1ed/0x14c0 [ 72.491038][ T7663] ? v9fs_session_init+0x1ed/0x14c0 [ 72.496218][ T7663] ? cache_grow_end+0xa8/0x190 [ 72.500955][ T7663] ? lock_downgrade+0x900/0x900 [ 72.505778][ T7663] ? __kasan_check_write+0x14/0x20 [ 72.510882][ T7663] ? v9fs_show_options+0x6c0/0x6c0 [ 72.515970][ T7663] ? __kasan_check_read+0x11/0x20 [ 72.520973][ T7663] ? v9fs_mount+0x55/0x7f0 [ 72.525366][ T7663] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.530890][ T7663] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.536935][ T7663] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.542910][ T7663] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.548456][ T7663] v9fs_mount+0x72/0x7f0 [ 72.552703][ T7663] ? v9fs_write_inode+0x50/0x50 [ 72.557533][ T7663] legacy_get_tree+0x103/0x1f0 [ 72.562303][ T7663] vfs_get_tree+0x8b/0x2d0 [ 72.566710][ T7663] ? capable+0x14/0x20 [ 72.570767][ T7663] do_mount+0x1270/0x1b60 [ 72.575085][ T7663] ? lock_downgrade+0x900/0x900 [ 72.579932][ T7663] ? copy_mount_string+0x20/0x20 [ 72.584865][ T7663] ? __kasan_check_write+0x14/0x20 [ 72.589965][ T7663] ? _copy_from_user+0xd6/0x110 [ 72.594824][ T7663] __x64_sys_mount+0x169/0x1c0 [ 72.599576][ T7663] do_syscall_64+0xd0/0x630 [ 72.604070][ T7663] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.610058][ T7663] RIP: 0033:0x458da9 [ 72.613948][ T7663] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.633533][ T7663] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.641927][ T7663] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 72.649886][ T7663] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.657842][ T7663] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.665816][ T7663] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 72.673772][ T7663] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.681788][ T7675] CPU: 0 PID: 7675 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 72.690375][ T7675] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.700508][ T7675] Call Trace: [ 72.703793][ T7675] dump_stack+0x12d/0x187 [ 72.708122][ T7675] should_fail.cold.4+0x5/0x13 [ 72.712885][ T7675] ? do_mount+0x1270/0x1b60 [ 72.717378][ T7675] ? fault_create_debugfs_attr+0x150/0x150 [ 72.723198][ T7675] ? find_held_lock+0x36/0x1d0 [ 72.727987][ T7675] should_fail_alloc_page+0x50/0x60 [ 72.733178][ T7675] __alloc_pages_nodemask+0x17f/0x890 [ 72.738547][ T7675] ? cache_grow_end+0xa8/0x190 [ 72.743305][ T7675] ? __alloc_pages_slowpath+0x2540/0x2540 [ 72.749016][ T7675] ? do_raw_spin_lock+0x132/0x2e0 [ 72.754048][ T7675] cache_grow_begin+0x92/0xca0 [ 72.758800][ T7675] ? __kmalloc+0xc5/0x790 [ 72.763133][ T7675] ? trace_hardirqs_off+0x41/0x1a0 [ 72.768238][ T7675] __kmalloc+0x6cd/0x790 [ 72.772472][ T7675] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 72.777751][ T7675] p9_fcall_init.isra.2+0x55/0x1c0 [ 72.782860][ T7675] p9_client_prepare_req.part.5+0x116/0x670 [ 72.788751][ T7675] p9_client_rpc+0x174/0xe50 [ 72.793344][ T7675] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.799413][ T7675] ? p9_pollwait+0x182/0x210 [ 72.799706][ T7680] FAULT_INJECTION: forcing a failure. [ 72.799706][ T7680] name failslab, interval 1, probability 0, space 0, times 0 [ 72.804009][ T7675] ? pipe_poll+0xc2/0x6b0 [ 72.820862][ T7675] ? ksys_dup3+0x2e0/0x2e0 [ 72.825255][ T7675] ? p9_fd_poll+0x19b/0x2a0 [ 72.829736][ T7675] ? p9_conn_create+0x399/0x4e0 [ 72.834565][ T7675] ? p9_conn_create+0x4e0/0x4e0 [ 72.839414][ T7675] p9_client_create+0x7ec/0x10e0 [ 72.844347][ T7675] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.850392][ T7675] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.855911][ T7675] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.862042][ T7675] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.867834][ T7675] ? __kmalloc_track_caller+0x60e/0x780 [ 72.873357][ T7675] ? __x64_sys_mount+0x169/0x1c0 [ 72.878269][ T7675] ? do_syscall_64+0xd0/0x630 [ 72.882921][ T7675] ? lockdep_init_map+0x1b6/0x6c0 [ 72.887932][ T7675] v9fs_session_init+0x1ed/0x14c0 [ 72.893025][ T7675] ? v9fs_session_init+0x1ed/0x14c0 [ 72.898197][ T7675] ? __lock_acquire+0x100f/0x4ef0 [ 72.903243][ T7675] ? find_held_lock+0x36/0x1d0 [ 72.907995][ T7675] ? v9fs_show_options+0x6c0/0x6c0 [ 72.913098][ T7675] ? __kasan_check_read+0x11/0x20 [ 72.918116][ T7675] ? v9fs_mount+0x55/0x7f0 [ 72.922512][ T7675] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.928032][ T7675] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.934074][ T7675] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.939859][ T7675] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.945384][ T7675] ? apparmor_task_alloc+0x2f0/0x2f0 [ 72.950657][ T7675] v9fs_mount+0x72/0x7f0 [ 72.954880][ T7675] ? v9fs_write_inode+0x50/0x50 [ 72.959708][ T7675] legacy_get_tree+0x103/0x1f0 [ 72.964452][ T7675] vfs_get_tree+0x8b/0x2d0 [ 72.968844][ T7675] ? capable+0x14/0x20 [ 72.972889][ T7675] do_mount+0x1270/0x1b60 [ 72.977191][ T7675] ? lock_downgrade+0x900/0x900 [ 72.982021][ T7675] ? copy_mount_string+0x20/0x20 [ 72.986959][ T7675] ? __kasan_check_write+0x14/0x20 [ 72.992152][ T7675] ? _copy_from_user+0xd6/0x110 [ 72.996989][ T7675] __x64_sys_mount+0x169/0x1c0 [ 73.001734][ T7675] do_syscall_64+0xd0/0x630 [ 73.006217][ T7675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.012095][ T7675] RIP: 0033:0x458da9 [ 73.015966][ T7675] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.035549][ T7675] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.043943][ T7675] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 73.051986][ T7675] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 73.059953][ T7675] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 73.067901][ T7675] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 73.075847][ T7675] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 73.083819][ T7680] CPU: 1 PID: 7680 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 73.090914][ T7685] FAULT_INJECTION: forcing a failure. [ 73.090914][ T7685] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.092392][ T7680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.115623][ T7680] Call Trace: [ 73.118890][ T7680] dump_stack+0x12d/0x187 [ 73.123212][ T7680] should_fail.cold.4+0x5/0x13 [ 73.127949][ T7680] ? stack_trace_save+0x82/0xb0 [ 73.132774][ T7680] ? fault_create_debugfs_attr+0x150/0x150 [ 73.138653][ T7680] __should_failslab+0xba/0xf0 [ 73.143394][ T7680] should_failslab+0x9/0x14 [ 73.147875][ T7680] kmem_cache_alloc+0x47/0x750 [ 73.152624][ T7680] ? __x64_sys_mount+0x169/0x1c0 [ 73.157535][ T7680] ? do_syscall_64+0xd0/0x630 [ 73.162201][ T7680] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 73.168589][ T7680] ? __kasan_check_read+0x11/0x20 [ 73.173595][ T7680] idr_get_free+0x35d/0x880 [ 73.178101][ T7680] ? __kasan_check_read+0x11/0x20 [ 73.183110][ T7680] idr_alloc_u32+0x13a/0x330 [ 73.187689][ T7680] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 73.193210][ T7680] ? mark_held_locks+0x130/0x130 [ 73.198215][ T7680] ? __kasan_check_write+0x14/0x20 [ 73.203302][ T7680] ? do_raw_spin_lock+0x132/0x2e0 [ 73.208304][ T7680] idr_alloc+0x7d/0xc0 [ 73.212348][ T7680] ? idr_alloc_u32+0x330/0x330 [ 73.217095][ T7680] p9_client_prepare_req.part.5+0x571/0x670 [ 73.222969][ T7680] p9_client_rpc+0x174/0xe50 [ 73.227540][ T7680] ? p9_client_prepare_req.part.5+0x670/0x670 [ 73.233587][ T7680] ? p9_pollwait+0x182/0x210 [ 73.238171][ T7680] ? pipe_poll+0xc2/0x6b0 [ 73.242475][ T7680] ? ksys_dup3+0x2e0/0x2e0 [ 73.246867][ T7680] ? p9_fd_poll+0x19b/0x2a0 [ 73.251351][ T7680] ? p9_conn_create+0x399/0x4e0 [ 73.256181][ T7680] ? p9_conn_create+0x4e0/0x4e0 [ 73.261016][ T7680] p9_client_create+0x7ec/0x10e0 [ 73.265938][ T7680] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 73.271992][ T7680] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.277524][ T7680] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.283563][ T7680] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.289353][ T7680] ? __kmalloc_track_caller+0x60e/0x780 [ 73.294874][ T7680] ? __x64_sys_mount+0x169/0x1c0 [ 73.299792][ T7680] ? do_syscall_64+0xd0/0x630 [ 73.304441][ T7680] ? lockdep_init_map+0x1b6/0x6c0 [ 73.309452][ T7680] v9fs_session_init+0x1ed/0x14c0 [ 73.314463][ T7680] ? v9fs_session_init+0x1ed/0x14c0 [ 73.319648][ T7680] ? __lock_acquire+0x100f/0x4ef0 [ 73.324657][ T7680] ? find_held_lock+0x36/0x1d0 [ 73.329422][ T7680] ? v9fs_show_options+0x6c0/0x6c0 [ 73.334508][ T7680] ? __kasan_check_read+0x11/0x20 [ 73.339515][ T7680] ? v9fs_mount+0x55/0x7f0 [ 73.343927][ T7680] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.349465][ T7680] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.355508][ T7680] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.361300][ T7680] ? kmem_cache_alloc_trace+0x39e/0x780 [ 73.366828][ T7680] ? apparmor_task_alloc+0x2f0/0x2f0 [ 73.372095][ T7680] v9fs_mount+0x72/0x7f0 [ 73.376319][ T7680] ? v9fs_write_inode+0x50/0x50 [ 73.381148][ T7680] legacy_get_tree+0x103/0x1f0 [ 73.385907][ T7680] vfs_get_tree+0x8b/0x2d0 [ 73.390299][ T7680] ? capable+0x14/0x20 [ 73.394348][ T7680] do_mount+0x1270/0x1b60 [ 73.398653][ T7680] ? lock_downgrade+0x900/0x900 [ 73.403484][ T7680] ? copy_mount_string+0x20/0x20 [ 73.408408][ T7680] ? __kasan_check_write+0x14/0x20 [ 73.413495][ T7680] ? _copy_from_user+0xd6/0x110 [ 73.418331][ T7680] __x64_sys_mount+0x169/0x1c0 [ 73.423077][ T7680] do_syscall_64+0xd0/0x630 [ 73.427565][ T7680] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.433449][ T7680] RIP: 0033:0x458da9 [ 73.437322][ T7680] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.456903][ T7680] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.465294][ T7680] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 73.473256][ T7680] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 73.481209][ T7680] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 73.489159][ T7680] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 73.497124][ T7680] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 73.505101][ T7685] CPU: 0 PID: 7685 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 73.513684][ T7685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.523728][ T7685] Call Trace: [ 73.524573][ T7686] FAULT_INJECTION: forcing a failure. [ 73.524573][ T7686] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.527032][ T7685] dump_stack+0x12d/0x187 [ 73.544627][ T7685] should_fail.cold.4+0x5/0x13 [ 73.549380][ T7685] ? do_mount+0x1270/0x1b60 [ 73.553862][ T7685] ? fault_create_debugfs_attr+0x150/0x150 [ 73.559649][ T7685] ? find_held_lock+0x36/0x1d0 [ 73.564395][ T7685] should_fail_alloc_page+0x50/0x60 [ 73.569567][ T7685] __alloc_pages_nodemask+0x17f/0x890 [ 73.574916][ T7685] ? cache_grow_end+0xa8/0x190 [ 73.579654][ T7685] ? __alloc_pages_slowpath+0x2540/0x2540 [ 73.585346][ T7685] ? do_raw_spin_lock+0x132/0x2e0 [ 73.590357][ T7685] cache_grow_begin+0x92/0xca0 [ 73.595118][ T7685] ? __kmalloc+0xc5/0x790 [ 73.599427][ T7685] ? trace_hardirqs_off+0x41/0x1a0 [ 73.604516][ T7685] __kmalloc+0x6cd/0x790 [ 73.608741][ T7685] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 73.614009][ T7685] p9_fcall_init.isra.2+0x55/0x1c0 [ 73.619122][ T7685] p9_client_prepare_req.part.5+0x116/0x670 [ 73.625003][ T7685] p9_client_rpc+0x174/0xe50 [ 73.629572][ T7685] ? p9_client_prepare_req.part.5+0x670/0x670 [ 73.635615][ T7685] ? p9_pollwait+0x182/0x210 [ 73.640196][ T7685] ? pipe_poll+0xc2/0x6b0 [ 73.644499][ T7685] ? ksys_dup3+0x2e0/0x2e0 [ 73.648894][ T7685] ? p9_fd_poll+0x19b/0x2a0 [ 73.653375][ T7685] ? p9_conn_create+0x399/0x4e0 [ 73.658206][ T7685] ? p9_conn_create+0x4e0/0x4e0 [ 73.663041][ T7685] p9_client_create+0x7ec/0x10e0 [ 73.667963][ T7685] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 73.674009][ T7685] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.679564][ T7685] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.685621][ T7685] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.691426][ T7685] ? __kmalloc_track_caller+0x60e/0x780 [ 73.696958][ T7685] ? __x64_sys_mount+0x169/0x1c0 [ 73.701870][ T7685] ? do_syscall_64+0xd0/0x630 [ 73.706522][ T7685] ? lockdep_init_map+0x1b6/0x6c0 [ 73.711536][ T7685] v9fs_session_init+0x1ed/0x14c0 [ 73.716719][ T7685] ? v9fs_session_init+0x1ed/0x14c0 [ 73.721893][ T7685] ? __lock_acquire+0x100f/0x4ef0 [ 73.726899][ T7685] ? find_held_lock+0x36/0x1d0 [ 73.731647][ T7685] ? v9fs_show_options+0x6c0/0x6c0 [ 73.736732][ T7685] ? __kasan_check_read+0x11/0x20 [ 73.741745][ T7685] ? v9fs_mount+0x55/0x7f0 [ 73.746140][ T7685] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.751662][ T7685] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.757702][ T7685] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.763486][ T7685] ? kmem_cache_alloc_trace+0x39e/0x780 [ 73.769015][ T7685] ? apparmor_task_alloc+0x2f0/0x2f0 [ 73.774306][ T7685] v9fs_mount+0x72/0x7f0 [ 73.778529][ T7685] ? v9fs_write_inode+0x50/0x50 [ 73.783369][ T7685] legacy_get_tree+0x103/0x1f0 [ 73.788121][ T7685] vfs_get_tree+0x8b/0x2d0 [ 73.792522][ T7685] ? capable+0x14/0x20 [ 73.796577][ T7685] do_mount+0x1270/0x1b60 [ 73.800883][ T7685] ? lock_downgrade+0x900/0x900 [ 73.805717][ T7685] ? copy_mount_string+0x20/0x20 [ 73.810650][ T7685] ? __kasan_check_write+0x14/0x20 [ 73.815740][ T7685] ? _copy_from_user+0xd6/0x110 [ 73.820576][ T7685] __x64_sys_mount+0x169/0x1c0 [ 73.825321][ T7685] do_syscall_64+0xd0/0x630 [ 73.829807][ T7685] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.835675][ T7685] RIP: 0033:0x458da9 [ 73.839546][ T7685] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.859144][ T7685] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.867542][ T7685] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 73.875490][ T7685] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 73.883439][ T7685] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 73.891389][ T7685] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 73.899354][ T7685] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 73.907339][ T7686] CPU: 1 PID: 7686 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 73.915917][ T7686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.925959][ T7686] Call Trace: [ 73.929243][ T7686] dump_stack+0x12d/0x187 [ 73.933574][ T7686] should_fail.cold.4+0x5/0x13 [ 73.938337][ T7686] ? do_mount+0x1270/0x1b60 [ 73.942864][ T7686] ? fault_create_debugfs_attr+0x150/0x150 [ 73.948661][ T7686] ? find_held_lock+0x36/0x1d0 [ 73.953417][ T7686] should_fail_alloc_page+0x50/0x60 [ 73.958597][ T7686] __alloc_pages_nodemask+0x17f/0x890 [ 73.963951][ T7686] ? cache_grow_end+0xa8/0x190 [ 73.968696][ T7686] ? __alloc_pages_slowpath+0x2540/0x2540 [ 73.974401][ T7686] ? do_raw_spin_lock+0x132/0x2e0 [ 73.979425][ T7686] cache_grow_begin+0x92/0xca0 [ 73.984168][ T7686] ? __kmalloc+0xc5/0x790 [ 73.988487][ T7686] ? trace_hardirqs_off+0x41/0x1a0 [ 73.993599][ T7686] __kmalloc+0x6cd/0x790 [ 73.997826][ T7686] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 74.003090][ T7686] p9_fcall_init.isra.2+0x55/0x1c0 [ 74.008199][ T7686] p9_client_prepare_req.part.5+0x116/0x670 [ 74.014085][ T7686] p9_client_rpc+0x174/0xe50 [ 74.018663][ T7686] ? p9_client_prepare_req.part.5+0x670/0x670 [ 74.024714][ T7686] ? p9_pollwait+0x182/0x210 [ 74.029290][ T7686] ? pipe_poll+0xc2/0x6b0 [ 74.033599][ T7686] ? ksys_dup3+0x2e0/0x2e0 [ 74.037993][ T7686] ? p9_fd_poll+0x19b/0x2a0 [ 74.042483][ T7686] ? p9_conn_create+0x399/0x4e0 [ 74.047333][ T7686] ? p9_conn_create+0x4e0/0x4e0 [ 74.052181][ T7686] p9_client_create+0x7ec/0x10e0 [ 74.057107][ T7686] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 74.063151][ T7686] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.068682][ T7686] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.074727][ T7686] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.080522][ T7686] ? __kmalloc_track_caller+0x60e/0x780 [ 74.086055][ T7686] ? __x64_sys_mount+0x169/0x1c0 [ 74.090986][ T7686] ? do_syscall_64+0xd0/0x630 [ 74.095646][ T7686] ? lockdep_init_map+0x1b6/0x6c0 [ 74.100674][ T7686] v9fs_session_init+0x1ed/0x14c0 [ 74.105693][ T7686] ? v9fs_session_init+0x1ed/0x14c0 [ 74.110884][ T7686] ? __lock_acquire+0x100f/0x4ef0 [ 74.115913][ T7686] ? find_held_lock+0x36/0x1d0 [ 74.120669][ T7686] ? v9fs_show_options+0x6c0/0x6c0 [ 74.125784][ T7686] ? __kasan_check_read+0x11/0x20 [ 74.130792][ T7686] ? v9fs_mount+0x55/0x7f0 [ 74.135202][ T7686] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.140731][ T7686] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.146777][ T7686] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.152573][ T7686] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.158105][ T7686] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.163386][ T7686] v9fs_mount+0x72/0x7f0 [ 74.167619][ T7686] ? v9fs_write_inode+0x50/0x50 [ 74.172467][ T7686] legacy_get_tree+0x103/0x1f0 [ 74.177222][ T7686] vfs_get_tree+0x8b/0x2d0 [ 74.181623][ T7686] ? capable+0x14/0x20 [ 74.185678][ T7686] do_mount+0x1270/0x1b60 [ 74.189988][ T7686] ? lock_downgrade+0x900/0x900 [ 74.194832][ T7686] ? copy_mount_string+0x20/0x20 [ 74.199770][ T7686] ? __kasan_check_write+0x14/0x20 [ 74.204870][ T7686] ? _copy_from_user+0xd6/0x110 [ 74.209715][ T7686] __x64_sys_mount+0x169/0x1c0 [ 74.214472][ T7686] do_syscall_64+0xd0/0x630 [ 74.218960][ T7686] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.224827][ T7686] RIP: 0033:0x458da9 [ 74.228755][ T7686] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.248350][ T7686] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.256746][ T7686] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 74.264704][ T7686] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.272659][ T7686] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.280628][ T7686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 74.288576][ T7686] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.296548][ T7674] CPU: 0 PID: 7674 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 74.302384][ T7682] FAULT_INJECTION: forcing a failure. [ 74.302384][ T7682] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.305128][ T7674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.328333][ T7674] Call Trace: [ 74.331600][ T7674] dump_stack+0x12d/0x187 [ 74.335911][ T7674] should_fail.cold.4+0x5/0x13 [ 74.340657][ T7674] ? fault_create_debugfs_attr+0x150/0x150 [ 74.346453][ T7674] ? ___might_sleep+0x16b/0x2b0 [ 74.351285][ T7674] __should_failslab+0xba/0xf0 [ 74.356026][ T7674] should_failslab+0x9/0x14 [ 74.360592][ T7674] __kmalloc+0x2eb/0x790 [ 74.364815][ T7674] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 74.370086][ T7674] p9_fcall_init.isra.2+0x55/0x1c0 [ 74.375198][ T7674] p9_client_prepare_req.part.5+0x116/0x670 [ 74.381075][ T7674] p9_client_rpc+0x174/0xe50 [ 74.385658][ T7674] ? p9_client_prepare_req.part.5+0x670/0x670 [ 74.391707][ T7674] ? p9_pollwait+0x182/0x210 [ 74.396277][ T7674] ? pipe_poll+0xc2/0x6b0 [ 74.400582][ T7674] ? ksys_dup3+0x2e0/0x2e0 [ 74.404990][ T7674] ? p9_fd_poll+0x19b/0x2a0 [ 74.409472][ T7674] ? p9_conn_create+0x399/0x4e0 [ 74.414314][ T7674] ? p9_conn_create+0x4e0/0x4e0 [ 74.419162][ T7674] p9_client_create+0x7ec/0x10e0 [ 74.424084][ T7674] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 74.430125][ T7674] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.435646][ T7674] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.441706][ T7674] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.447495][ T7674] ? __kmalloc_track_caller+0x60e/0x780 [ 74.453019][ T7674] ? __x64_sys_mount+0x169/0x1c0 [ 74.457933][ T7674] ? do_syscall_64+0xd0/0x630 [ 74.462583][ T7674] ? lockdep_init_map+0x1b6/0x6c0 [ 74.467606][ T7674] v9fs_session_init+0x1ed/0x14c0 [ 74.472607][ T7674] ? v9fs_session_init+0x1ed/0x14c0 [ 74.477780][ T7674] ? __lock_acquire+0x100f/0x4ef0 [ 74.482795][ T7674] ? find_held_lock+0x36/0x1d0 [ 74.487555][ T7674] ? v9fs_show_options+0x6c0/0x6c0 [ 74.492653][ T7674] ? __kasan_check_read+0x11/0x20 [ 74.497657][ T7674] ? v9fs_mount+0x55/0x7f0 [ 74.502049][ T7674] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.507584][ T7674] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.513622][ T7674] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.519534][ T7674] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.525079][ T7674] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.530350][ T7674] v9fs_mount+0x72/0x7f0 [ 74.534584][ T7674] ? v9fs_write_inode+0x50/0x50 [ 74.539430][ T7674] legacy_get_tree+0x103/0x1f0 [ 74.544180][ T7674] vfs_get_tree+0x8b/0x2d0 [ 74.548570][ T7674] ? capable+0x14/0x20 [ 74.552618][ T7674] do_mount+0x1270/0x1b60 [ 74.556938][ T7674] ? lock_downgrade+0x900/0x900 [ 74.561771][ T7674] ? copy_mount_string+0x20/0x20 [ 74.566694][ T7674] ? __kasan_check_write+0x14/0x20 [ 74.571784][ T7674] ? _copy_from_user+0xd6/0x110 [ 74.576619][ T7674] __x64_sys_mount+0x169/0x1c0 [ 74.581367][ T7674] do_syscall_64+0xd0/0x630 [ 74.585861][ T7674] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.591993][ T7674] RIP: 0033:0x458da9 [ 74.595867][ T7674] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.615450][ T7674] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.623859][ T7674] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 74.631810][ T7674] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.639760][ T7674] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.647712][ T7674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 74.655659][ T7674] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.663634][ T7682] CPU: 1 PID: 7682 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 74.672220][ T7682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.682265][ T7682] Call Trace: [ 74.685547][ T7682] dump_stack+0x12d/0x187 [ 74.689869][ T7682] should_fail.cold.4+0x5/0x13 [ 74.694615][ T7682] ? do_mount+0x1270/0x1b60 [ 74.699104][ T7682] ? fault_create_debugfs_attr+0x150/0x150 [ 74.704901][ T7682] ? find_held_lock+0x36/0x1d0 [ 74.709660][ T7682] should_fail_alloc_page+0x50/0x60 [ 74.714841][ T7682] __alloc_pages_nodemask+0x17f/0x890 [ 74.720197][ T7682] ? cache_grow_end+0xa8/0x190 [ 74.724946][ T7682] ? __alloc_pages_slowpath+0x2540/0x2540 [ 74.730665][ T7682] ? do_raw_spin_lock+0x132/0x2e0 [ 74.735689][ T7682] cache_grow_begin+0x92/0xca0 [ 74.740435][ T7682] ? __kmalloc+0xc5/0x790 [ 74.744752][ T7682] ? trace_hardirqs_off+0x41/0x1a0 [ 74.749879][ T7682] __kmalloc+0x6cd/0x790 [ 74.754113][ T7682] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 74.759406][ T7682] p9_fcall_init.isra.2+0x55/0x1c0 [ 74.764521][ T7682] p9_client_prepare_req.part.5+0x116/0x670 [ 74.770414][ T7682] p9_client_rpc+0x174/0xe50 [ 74.775005][ T7682] ? p9_client_prepare_req.part.5+0x670/0x670 [ 74.781059][ T7682] ? p9_pollwait+0x182/0x210 [ 74.785639][ T7682] ? pipe_poll+0xc2/0x6b0 [ 74.789951][ T7682] ? ksys_dup3+0x2e0/0x2e0 [ 74.794355][ T7682] ? p9_fd_poll+0x19b/0x2a0 [ 74.798846][ T7682] ? p9_conn_create+0x399/0x4e0 [ 74.803690][ T7682] ? p9_conn_create+0x4e0/0x4e0 [ 74.808539][ T7682] p9_client_create+0x7ec/0x10e0 [ 74.813477][ T7682] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 74.819529][ T7682] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.825059][ T7682] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.831111][ T7682] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.836911][ T7682] ? __kmalloc_track_caller+0x60e/0x780 [ 74.842441][ T7682] ? __x64_sys_mount+0x169/0x1c0 [ 74.847368][ T7682] ? do_syscall_64+0xd0/0x630 [ 74.852039][ T7682] ? lockdep_init_map+0x1b6/0x6c0 [ 74.857070][ T7682] v9fs_session_init+0x1ed/0x14c0 [ 74.862080][ T7682] ? v9fs_session_init+0x1ed/0x14c0 [ 74.867262][ T7682] ? __lock_acquire+0x100f/0x4ef0 [ 74.872276][ T7682] ? find_held_lock+0x36/0x1d0 [ 74.877036][ T7682] ? v9fs_show_options+0x6c0/0x6c0 [ 74.882129][ T7682] ? __kasan_check_read+0x11/0x20 [ 74.887143][ T7682] ? v9fs_mount+0x55/0x7f0 [ 74.891545][ T7682] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.897072][ T7682] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.903121][ T7682] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.908925][ T7682] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.914460][ T7682] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.919738][ T7682] v9fs_mount+0x72/0x7f0 [ 74.923986][ T7682] ? v9fs_write_inode+0x50/0x50 [ 74.928833][ T7682] legacy_get_tree+0x103/0x1f0 [ 74.933596][ T7682] vfs_get_tree+0x8b/0x2d0 [ 74.937996][ T7682] ? capable+0x14/0x20 [ 74.942054][ T7682] do_mount+0x1270/0x1b60 [ 74.946375][ T7682] ? lock_downgrade+0x900/0x900 [ 74.951220][ T7682] ? copy_mount_string+0x20/0x20 [ 74.956175][ T7682] ? __kasan_check_write+0x14/0x20 [ 74.961282][ T7682] ? _copy_from_user+0xd6/0x110 [ 74.966128][ T7682] __x64_sys_mount+0x169/0x1c0 [ 74.970919][ T7682] do_syscall_64+0xd0/0x630 [ 74.975449][ T7682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.981433][ T7682] RIP: 0033:0x458da9 [ 74.985312][ T7682] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.004902][ T7682] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2020/03/22 08:53:52 executed programs: 39 [ 75.013300][ T7682] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 75.021259][ T7682] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 75.029218][ T7682] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 75.037174][ T7682] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 75.045132][ T7682] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 75.123298][ T7702] FAULT_INJECTION: forcing a failure. [ 75.123298][ T7702] name failslab, interval 1, probability 0, space 0, times 0 [ 75.137850][ T7706] FAULT_INJECTION: forcing a failure. [ 75.137850][ T7706] name failslab, interval 1, probability 0, space 0, times 0 [ 75.161897][ T7709] FAULT_INJECTION: forcing a failure. [ 75.161897][ T7709] name failslab, interval 1, probability 0, space 0, times 0 [ 75.178573][ T7708] FAULT_INJECTION: forcing a failure. [ 75.178573][ T7708] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.179838][ T7710] FAULT_INJECTION: forcing a failure. [ 75.179838][ T7710] name failslab, interval 1, probability 0, space 0, times 0 [ 75.191769][ T7708] CPU: 1 PID: 7708 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 75.191773][ T7708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.191777][ T7708] Call Trace: [ 75.191790][ T7708] dump_stack+0x12d/0x187 [ 75.191805][ T7708] should_fail.cold.4+0x5/0x13 [ 75.191811][ T7708] ? do_mount+0x1270/0x1b60 [ 75.191821][ T7708] ? fault_create_debugfs_attr+0x150/0x150 [ 75.191833][ T7708] ? find_held_lock+0x36/0x1d0 [ 75.191848][ T7708] should_fail_alloc_page+0x50/0x60 [ 75.191854][ T7708] __alloc_pages_nodemask+0x17f/0x890 [ 75.191870][ T7708] ? cache_grow_end+0xa8/0x190 [ 75.191879][ T7708] ? __alloc_pages_slowpath+0x2540/0x2540 [ 75.191885][ T7708] ? do_raw_spin_lock+0x132/0x2e0 [ 75.191907][ T7708] cache_grow_begin+0x92/0xca0 [ 75.191911][ T7708] ? __kmalloc+0xc5/0x790 [ 75.191921][ T7708] ? trace_hardirqs_off+0x41/0x1a0 [ 75.191932][ T7708] __kmalloc+0x6cd/0x790 [ 75.294786][ T7708] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 75.300048][ T7708] p9_fcall_init.isra.2+0x55/0x1c0 [ 75.300742][ T7707] FAULT_INJECTION: forcing a failure. [ 75.300742][ T7707] name failslab, interval 1, probability 0, space 0, times 0 [ 75.305148][ T7708] p9_client_prepare_req.part.5+0x116/0x670 [ 75.305167][ T7708] p9_client_rpc+0x174/0xe50 [ 75.328181][ T7708] ? p9_client_prepare_req.part.5+0x670/0x670 [ 75.334230][ T7708] ? p9_pollwait+0x182/0x210 [ 75.338803][ T7708] ? pipe_poll+0xc2/0x6b0 [ 75.343112][ T7708] ? ksys_dup3+0x2e0/0x2e0 [ 75.347512][ T7708] ? p9_fd_poll+0x19b/0x2a0 [ 75.351991][ T7708] ? p9_conn_create+0x399/0x4e0 [ 75.356822][ T7708] ? p9_conn_create+0x4e0/0x4e0 [ 75.361661][ T7708] p9_client_create+0x7ec/0x10e0 [ 75.366585][ T7708] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.372635][ T7708] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.378156][ T7708] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.384204][ T7708] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.389997][ T7708] ? __kmalloc_track_caller+0x60e/0x780 [ 75.395517][ T7708] ? __x64_sys_mount+0x169/0x1c0 [ 75.400431][ T7708] ? do_syscall_64+0xd0/0x630 [ 75.405087][ T7708] ? lockdep_init_map+0x1b6/0x6c0 [ 75.410102][ T7708] v9fs_session_init+0x1ed/0x14c0 [ 75.415103][ T7708] ? v9fs_session_init+0x1ed/0x14c0 [ 75.420276][ T7708] ? __lock_acquire+0x100f/0x4ef0 [ 75.425282][ T7708] ? find_held_lock+0x36/0x1d0 [ 75.430027][ T7708] ? v9fs_show_options+0x6c0/0x6c0 [ 75.435121][ T7708] ? __kasan_check_read+0x11/0x20 [ 75.440133][ T7708] ? v9fs_mount+0x55/0x7f0 [ 75.444539][ T7708] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.450078][ T7708] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.456123][ T7708] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.461940][ T7708] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.467475][ T7708] ? apparmor_task_alloc+0x2f0/0x2f0 [ 75.472744][ T7708] v9fs_mount+0x72/0x7f0 [ 75.476972][ T7708] ? v9fs_write_inode+0x50/0x50 [ 75.481804][ T7708] legacy_get_tree+0x103/0x1f0 [ 75.486555][ T7708] vfs_get_tree+0x8b/0x2d0 [ 75.490945][ T7708] ? capable+0x14/0x20 [ 75.494992][ T7708] do_mount+0x1270/0x1b60 [ 75.499294][ T7708] ? lock_downgrade+0x900/0x900 [ 75.504135][ T7708] ? copy_mount_string+0x20/0x20 [ 75.509066][ T7708] ? __kasan_check_write+0x14/0x20 [ 75.514154][ T7708] ? _copy_from_user+0xd6/0x110 [ 75.518987][ T7708] __x64_sys_mount+0x169/0x1c0 [ 75.523734][ T7708] do_syscall_64+0xd0/0x630 [ 75.528224][ T7708] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.534089][ T7708] RIP: 0033:0x458da9 [ 75.537959][ T7708] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.557550][ T7708] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.565938][ T7708] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 75.573885][ T7708] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 75.581839][ T7708] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 75.589799][ T7708] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 75.597750][ T7708] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 75.605744][ T7702] CPU: 0 PID: 7702 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 75.614318][ T7702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.624354][ T7702] Call Trace: [ 75.627622][ T7702] dump_stack+0x12d/0x187 [ 75.631931][ T7702] should_fail.cold.4+0x5/0x13 [ 75.636673][ T7702] ? fault_create_debugfs_attr+0x150/0x150 [ 75.642466][ T7702] ? ___might_sleep+0x16b/0x2b0 [ 75.647294][ T7702] __should_failslab+0xba/0xf0 [ 75.652032][ T7702] should_failslab+0x9/0x14 [ 75.656509][ T7702] __kmalloc+0x2eb/0x790 [ 75.660735][ T7702] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 75.665998][ T7702] p9_fcall_init.isra.2+0x55/0x1c0 [ 75.671086][ T7702] p9_client_prepare_req.part.5+0x116/0x670 [ 75.676978][ T7702] p9_client_rpc+0x174/0xe50 [ 75.681552][ T7702] ? p9_client_prepare_req.part.5+0x670/0x670 [ 75.687612][ T7702] ? p9_pollwait+0x182/0x210 [ 75.692179][ T7702] ? pipe_poll+0xc2/0x6b0 [ 75.696484][ T7702] ? ksys_dup3+0x2e0/0x2e0 [ 75.700882][ T7702] ? p9_fd_poll+0x19b/0x2a0 [ 75.705365][ T7702] ? p9_conn_create+0x399/0x4e0 [ 75.710193][ T7702] ? p9_conn_create+0x4e0/0x4e0 [ 75.715023][ T7702] p9_client_create+0x7ec/0x10e0 [ 75.719946][ T7702] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.725994][ T7702] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.731524][ T7702] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.737570][ T7702] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.743365][ T7702] ? __kmalloc_track_caller+0x60e/0x780 [ 75.748894][ T7702] ? __x64_sys_mount+0x169/0x1c0 [ 75.753810][ T7702] ? do_syscall_64+0xd0/0x630 [ 75.758470][ T7702] ? lockdep_init_map+0x1b6/0x6c0 [ 75.763488][ T7702] v9fs_session_init+0x1ed/0x14c0 [ 75.768497][ T7702] ? v9fs_session_init+0x1ed/0x14c0 [ 75.773689][ T7702] ? cache_grow_end+0xa8/0x190 [ 75.778441][ T7702] ? lock_downgrade+0x900/0x900 [ 75.783284][ T7702] ? __kasan_check_write+0x14/0x20 [ 75.788427][ T7702] ? v9fs_show_options+0x6c0/0x6c0 [ 75.793517][ T7702] ? __kasan_check_read+0x11/0x20 [ 75.799136][ T7702] ? v9fs_mount+0x55/0x7f0 [ 75.803544][ T7702] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.809075][ T7702] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.815127][ T7702] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.820926][ T7702] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.826473][ T7702] v9fs_mount+0x72/0x7f0 [ 75.830703][ T7702] ? v9fs_write_inode+0x50/0x50 [ 75.835538][ T7702] legacy_get_tree+0x103/0x1f0 [ 75.840288][ T7702] vfs_get_tree+0x8b/0x2d0 [ 75.844683][ T7702] ? capable+0x14/0x20 [ 75.848744][ T7702] do_mount+0x1270/0x1b60 [ 75.853050][ T7702] ? lock_downgrade+0x900/0x900 [ 75.857887][ T7702] ? copy_mount_string+0x20/0x20 [ 75.862823][ T7702] ? __kasan_check_write+0x14/0x20 [ 75.867928][ T7702] ? _copy_from_user+0xd6/0x110 [ 75.872839][ T7702] __x64_sys_mount+0x169/0x1c0 [ 75.877599][ T7702] do_syscall_64+0xd0/0x630 [ 75.882086][ T7702] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.887951][ T7702] RIP: 0033:0x458da9 [ 75.891827][ T7702] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.911408][ T7702] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.919897][ T7702] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 75.927867][ T7702] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 75.935825][ T7702] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 75.943772][ T7702] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 75.951715][ T7702] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 75.959681][ T7709] CPU: 1 PID: 7709 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 75.968950][ T7709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.978986][ T7709] Call Trace: [ 75.982254][ T7709] dump_stack+0x12d/0x187 [ 75.986586][ T7709] should_fail.cold.4+0x5/0x13 [ 75.991326][ T7709] ? fault_create_debugfs_attr+0x150/0x150 [ 75.997117][ T7709] ? ___might_sleep+0x16b/0x2b0 [ 76.001956][ T7709] __should_failslab+0xba/0xf0 [ 76.006704][ T7709] should_failslab+0x9/0x14 [ 76.011179][ T7709] __kmalloc+0x2eb/0x790 [ 76.015406][ T7709] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 76.020673][ T7709] p9_fcall_init.isra.2+0x55/0x1c0 [ 76.025771][ T7709] p9_client_prepare_req.part.5+0x116/0x670 [ 76.031651][ T7709] p9_client_rpc+0x174/0xe50 [ 76.036230][ T7709] ? p9_client_prepare_req.part.5+0x670/0x670 [ 76.042372][ T7709] ? p9_pollwait+0x182/0x210 [ 76.047056][ T7709] ? pipe_poll+0xc2/0x6b0 [ 76.051362][ T7709] ? ksys_dup3+0x2e0/0x2e0 [ 76.055755][ T7709] ? p9_fd_poll+0x19b/0x2a0 [ 76.060238][ T7709] ? p9_conn_create+0x399/0x4e0 [ 76.065072][ T7709] ? p9_conn_create+0x4e0/0x4e0 [ 76.069905][ T7709] p9_client_create+0x7ec/0x10e0 [ 76.074827][ T7709] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 76.080871][ T7709] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.086393][ T7709] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.092440][ T7709] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.098233][ T7709] ? __kmalloc_track_caller+0x60e/0x780 [ 76.103755][ T7709] ? __x64_sys_mount+0x169/0x1c0 [ 76.108669][ T7709] ? do_syscall_64+0xd0/0x630 [ 76.113578][ T7709] ? lockdep_init_map+0x1b6/0x6c0 [ 76.118609][ T7709] v9fs_session_init+0x1ed/0x14c0 [ 76.123623][ T7709] ? v9fs_session_init+0x1ed/0x14c0 [ 76.128802][ T7709] ? __lock_acquire+0x100f/0x4ef0 [ 76.133809][ T7709] ? find_held_lock+0x36/0x1d0 [ 76.138554][ T7709] ? v9fs_show_options+0x6c0/0x6c0 [ 76.143643][ T7709] ? __kasan_check_read+0x11/0x20 [ 76.148651][ T7709] ? v9fs_mount+0x55/0x7f0 [ 76.153045][ T7709] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.158573][ T7709] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.164611][ T7709] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.170421][ T7709] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.175948][ T7709] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.181217][ T7709] v9fs_mount+0x72/0x7f0 [ 76.185443][ T7709] ? v9fs_write_inode+0x50/0x50 [ 76.190274][ T7709] legacy_get_tree+0x103/0x1f0 [ 76.195022][ T7709] vfs_get_tree+0x8b/0x2d0 [ 76.199416][ T7709] ? capable+0x14/0x20 [ 76.203479][ T7709] do_mount+0x1270/0x1b60 [ 76.207797][ T7709] ? lock_downgrade+0x900/0x900 [ 76.212626][ T7709] ? copy_mount_string+0x20/0x20 [ 76.217549][ T7709] ? __kasan_check_write+0x14/0x20 [ 76.222640][ T7709] ? _copy_from_user+0xd6/0x110 [ 76.227477][ T7709] __x64_sys_mount+0x169/0x1c0 [ 76.232913][ T7709] do_syscall_64+0xd0/0x630 [ 76.237393][ T7709] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.243262][ T7709] RIP: 0033:0x458da9 [ 76.247138][ T7709] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.266717][ T7709] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.275101][ T7709] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 76.283048][ T7709] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 76.291002][ T7709] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 76.298946][ T7709] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 76.306891][ T7709] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 76.315293][ T7707] CPU: 0 PID: 7707 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 76.323870][ T7707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.333910][ T7707] Call Trace: [ 76.337191][ T7707] dump_stack+0x12d/0x187 [ 76.341502][ T7707] should_fail.cold.4+0x5/0x13 [ 76.346251][ T7707] ? fault_create_debugfs_attr+0x150/0x150 [ 76.352037][ T7707] ? ___might_sleep+0x16b/0x2b0 [ 76.356866][ T7707] __should_failslab+0xba/0xf0 [ 76.361617][ T7707] should_failslab+0x9/0x14 [ 76.366093][ T7707] __kmalloc+0x2eb/0x790 [ 76.370311][ T7707] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 76.375570][ T7707] p9_fcall_init.isra.2+0x55/0x1c0 [ 76.380666][ T7707] p9_client_prepare_req.part.5+0x116/0x670 [ 76.386548][ T7707] p9_client_rpc+0x174/0xe50 [ 76.391127][ T7707] ? p9_client_prepare_req.part.5+0x670/0x670 [ 76.405678][ T7707] ? p9_pollwait+0x182/0x210 [ 76.410245][ T7707] ? pipe_poll+0xc2/0x6b0 [ 76.414548][ T7707] ? ksys_dup3+0x2e0/0x2e0 [ 76.418939][ T7707] ? p9_fd_poll+0x19b/0x2a0 [ 76.423422][ T7707] ? p9_conn_create+0x399/0x4e0 [ 76.428269][ T7707] ? p9_conn_create+0x4e0/0x4e0 [ 76.433114][ T7707] p9_client_create+0x7ec/0x10e0 [ 76.438035][ T7707] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 76.444073][ T7707] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.449603][ T7707] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.455642][ T7707] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.461429][ T7707] ? __kmalloc_track_caller+0x60e/0x780 [ 76.466947][ T7707] ? __x64_sys_mount+0x169/0x1c0 [ 76.471858][ T7707] ? do_syscall_64+0xd0/0x630 [ 76.476508][ T7707] ? lockdep_init_map+0x1b6/0x6c0 [ 76.481530][ T7707] v9fs_session_init+0x1ed/0x14c0 [ 76.486534][ T7707] ? v9fs_session_init+0x1ed/0x14c0 [ 76.491715][ T7707] ? __lock_acquire+0x100f/0x4ef0 [ 76.496729][ T7707] ? find_held_lock+0x36/0x1d0 [ 76.501486][ T7707] ? v9fs_show_options+0x6c0/0x6c0 [ 76.506592][ T7707] ? __kasan_check_read+0x11/0x20 [ 76.511604][ T7707] ? v9fs_mount+0x55/0x7f0 [ 76.515997][ T7707] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.521521][ T7707] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.527560][ T7707] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.533343][ T7707] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.538862][ T7707] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.544144][ T7707] v9fs_mount+0x72/0x7f0 [ 76.548373][ T7707] ? v9fs_write_inode+0x50/0x50 [ 76.553202][ T7707] legacy_get_tree+0x103/0x1f0 [ 76.557944][ T7707] vfs_get_tree+0x8b/0x2d0 [ 76.562345][ T7707] ? capable+0x14/0x20 [ 76.566400][ T7707] do_mount+0x1270/0x1b60 [ 76.570700][ T7707] ? lock_downgrade+0x900/0x900 [ 76.575530][ T7707] ? copy_mount_string+0x20/0x20 [ 76.580456][ T7707] ? __kasan_check_write+0x14/0x20 [ 76.585541][ T7707] ? _copy_from_user+0xd6/0x110 [ 76.590376][ T7707] __x64_sys_mount+0x169/0x1c0 [ 76.595118][ T7707] do_syscall_64+0xd0/0x630 [ 76.599598][ T7707] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.605465][ T7707] RIP: 0033:0x458da9 [ 76.609338][ T7707] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.628917][ T7707] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.637302][ T7707] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 76.645248][ T7707] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 76.653201][ T7707] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 76.661155][ T7707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 76.669209][ T7707] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 76.677182][ T7706] CPU: 1 PID: 7706 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 76.686280][ T7706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.696318][ T7706] Call Trace: [ 76.699597][ T7706] dump_stack+0x12d/0x187 [ 76.703930][ T7706] should_fail.cold.4+0x5/0x13 [ 76.708694][ T7706] ? fault_create_debugfs_attr+0x150/0x150 [ 76.714489][ T7706] ? ___might_sleep+0x16b/0x2b0 [ 76.719327][ T7706] __should_failslab+0xba/0xf0 [ 76.724079][ T7706] should_failslab+0x9/0x14 [ 76.728569][ T7706] __kmalloc+0x2eb/0x790 [ 76.732795][ T7706] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 76.738062][ T7706] p9_fcall_init.isra.2+0x55/0x1c0 [ 76.743153][ T7706] p9_client_prepare_req.part.5+0x116/0x670 [ 76.749029][ T7706] p9_client_rpc+0x174/0xe50 [ 76.753600][ T7706] ? p9_client_prepare_req.part.5+0x670/0x670 [ 76.759643][ T7706] ? p9_pollwait+0x182/0x210 [ 76.764212][ T7706] ? pipe_poll+0xc2/0x6b0 [ 76.768641][ T7706] ? ksys_dup3+0x2e0/0x2e0 [ 76.773038][ T7706] ? p9_fd_poll+0x19b/0x2a0 [ 76.777519][ T7706] ? p9_conn_create+0x399/0x4e0 [ 76.782359][ T7706] ? p9_conn_create+0x4e0/0x4e0 [ 76.787197][ T7706] p9_client_create+0x7ec/0x10e0 [ 76.792130][ T7706] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 76.798179][ T7706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.803699][ T7706] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.809738][ T7706] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.815524][ T7706] ? __kmalloc_track_caller+0x60e/0x780 [ 76.821050][ T7706] ? __x64_sys_mount+0x169/0x1c0 [ 76.825967][ T7706] ? do_syscall_64+0xd0/0x630 [ 76.830620][ T7706] ? lockdep_init_map+0x1b6/0x6c0 [ 76.835635][ T7706] v9fs_session_init+0x1ed/0x14c0 [ 76.840646][ T7706] ? v9fs_session_init+0x1ed/0x14c0 [ 76.845823][ T7706] ? __lock_acquire+0x100f/0x4ef0 [ 76.850831][ T7706] ? find_held_lock+0x36/0x1d0 [ 76.855595][ T7706] ? v9fs_show_options+0x6c0/0x6c0 [ 76.860687][ T7706] ? __kasan_check_read+0x11/0x20 [ 76.865693][ T7706] ? v9fs_mount+0x55/0x7f0 [ 76.870089][ T7706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.875617][ T7706] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.881667][ T7706] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.887572][ T7706] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.893103][ T7706] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.898387][ T7706] v9fs_mount+0x72/0x7f0 [ 76.902615][ T7706] ? v9fs_write_inode+0x50/0x50 [ 76.907446][ T7706] legacy_get_tree+0x103/0x1f0 [ 76.912714][ T7706] vfs_get_tree+0x8b/0x2d0 [ 76.917113][ T7706] ? capable+0x14/0x20 [ 76.921160][ T7706] do_mount+0x1270/0x1b60 [ 76.925468][ T7706] ? lock_downgrade+0x900/0x900 [ 76.930307][ T7706] ? copy_mount_string+0x20/0x20 [ 76.935241][ T7706] ? __kasan_check_write+0x14/0x20 [ 76.940332][ T7706] ? _copy_from_user+0xd6/0x110 [ 76.946126][ T7706] __x64_sys_mount+0x169/0x1c0 [ 76.950875][ T7706] do_syscall_64+0xd0/0x630 [ 76.955361][ T7706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.961235][ T7706] RIP: 0033:0x458da9 [ 76.965108][ T7706] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.984693][ T7706] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.993089][ T7706] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 77.001051][ T7706] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.009008][ T7706] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.016956][ T7706] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 77.024901][ T7706] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.032873][ T7710] CPU: 0 PID: 7710 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 77.041469][ T7710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.044621][ T7722] FAULT_INJECTION: forcing a failure. [ 77.044621][ T7722] name failslab, interval 1, probability 0, space 0, times 0 [ 77.051528][ T7710] Call Trace: [ 77.051540][ T7710] dump_stack+0x12d/0x187 [ 77.051556][ T7710] should_fail.cold.4+0x5/0x13 [ 77.051567][ T7710] ? fault_create_debugfs_attr+0x150/0x150 [ 77.051578][ T7710] ? ___might_sleep+0x16b/0x2b0 [ 77.051592][ T7710] __should_failslab+0xba/0xf0 [ 77.065724][ T7723] FAULT_INJECTION: forcing a failure. [ 77.065724][ T7723] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.067422][ T7710] should_failslab+0x9/0x14 [ 77.109409][ T7710] __kmalloc+0x2eb/0x790 [ 77.114331][ T7710] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.119605][ T7710] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.124717][ T7710] p9_client_prepare_req.part.5+0x116/0x670 [ 77.130593][ T7710] p9_client_rpc+0x174/0xe50 [ 77.135162][ T7710] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.141206][ T7710] ? p9_pollwait+0x182/0x210 [ 77.145774][ T7710] ? pipe_poll+0xc2/0x6b0 [ 77.150079][ T7710] ? ksys_dup3+0x2e0/0x2e0 [ 77.154471][ T7710] ? p9_fd_poll+0x19b/0x2a0 [ 77.158954][ T7710] ? p9_conn_create+0x399/0x4e0 [ 77.163789][ T7710] ? p9_conn_create+0x4e0/0x4e0 [ 77.168624][ T7710] p9_client_create+0x7ec/0x10e0 [ 77.173548][ T7710] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.179593][ T7710] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.185113][ T7710] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.191152][ T7710] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.196944][ T7710] ? __kmalloc_track_caller+0x60e/0x780 [ 77.202478][ T7710] ? __x64_sys_mount+0x169/0x1c0 [ 77.207401][ T7710] ? do_syscall_64+0xd0/0x630 [ 77.212051][ T7710] ? lockdep_init_map+0x1b6/0x6c0 [ 77.217176][ T7710] v9fs_session_init+0x1ed/0x14c0 [ 77.222189][ T7710] ? v9fs_session_init+0x1ed/0x14c0 [ 77.227358][ T7710] ? __lock_acquire+0x100f/0x4ef0 [ 77.232357][ T7710] ? find_held_lock+0x36/0x1d0 [ 77.237102][ T7710] ? v9fs_show_options+0x6c0/0x6c0 [ 77.242189][ T7710] ? __kasan_check_read+0x11/0x20 [ 77.247198][ T7710] ? v9fs_mount+0x55/0x7f0 [ 77.251593][ T7710] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.257114][ T7710] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.263154][ T7710] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.268955][ T7710] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.274485][ T7710] ? apparmor_task_alloc+0x2f0/0x2f0 [ 77.279750][ T7710] v9fs_mount+0x72/0x7f0 [ 77.283981][ T7710] ? v9fs_write_inode+0x50/0x50 [ 77.288808][ T7710] legacy_get_tree+0x103/0x1f0 [ 77.293549][ T7710] vfs_get_tree+0x8b/0x2d0 [ 77.297935][ T7710] ? capable+0x14/0x20 [ 77.301981][ T7710] do_mount+0x1270/0x1b60 [ 77.306280][ T7710] ? lock_downgrade+0x900/0x900 [ 77.311116][ T7710] ? copy_mount_string+0x20/0x20 [ 77.316317][ T7710] ? __kasan_check_write+0x14/0x20 [ 77.321401][ T7710] ? _copy_from_user+0xd6/0x110 [ 77.326329][ T7710] __x64_sys_mount+0x169/0x1c0 [ 77.331077][ T7710] do_syscall_64+0xd0/0x630 [ 77.335563][ T7710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.341641][ T7710] RIP: 0033:0x458da9 [ 77.345513][ T7710] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.365088][ T7710] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 77.373472][ T7710] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 77.381427][ T7710] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.389373][ T7710] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.397316][ T7710] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 77.405260][ T7710] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.413317][ T7723] CPU: 1 PID: 7723 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 77.421903][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.431965][ T7723] Call Trace: [ 77.435240][ T7723] dump_stack+0x12d/0x187 [ 77.439577][ T7723] should_fail.cold.4+0x5/0x13 [ 77.444325][ T7723] ? do_mount+0x1270/0x1b60 [ 77.448823][ T7723] ? fault_create_debugfs_attr+0x150/0x150 [ 77.454628][ T7723] ? find_held_lock+0x36/0x1d0 [ 77.457826][ T7727] FAULT_INJECTION: forcing a failure. [ 77.457826][ T7727] name failslab, interval 1, probability 0, space 0, times 0 [ 77.459386][ T7723] should_fail_alloc_page+0x50/0x60 [ 77.477115][ T7723] __alloc_pages_nodemask+0x17f/0x890 [ 77.482461][ T7723] ? cache_grow_end+0xa8/0x190 [ 77.487199][ T7723] ? __alloc_pages_slowpath+0x2540/0x2540 [ 77.492894][ T7723] ? do_raw_spin_lock+0x132/0x2e0 [ 77.497907][ T7723] cache_grow_begin+0x92/0xca0 [ 77.502643][ T7723] ? __kmalloc+0xc5/0x790 [ 77.507048][ T7723] ? trace_hardirqs_off+0x41/0x1a0 [ 77.512148][ T7723] __kmalloc+0x6cd/0x790 [ 77.516369][ T7723] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.521629][ T7723] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.526714][ T7723] p9_client_prepare_req.part.5+0x116/0x670 [ 77.532587][ T7723] p9_client_rpc+0x174/0xe50 [ 77.537156][ T7723] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.543197][ T7723] ? p9_pollwait+0x182/0x210 [ 77.547774][ T7723] ? pipe_poll+0xc2/0x6b0 [ 77.552076][ T7723] ? ksys_dup3+0x2e0/0x2e0 [ 77.556468][ T7723] ? p9_fd_poll+0x19b/0x2a0 [ 77.560947][ T7723] ? p9_conn_create+0x399/0x4e0 [ 77.565792][ T7723] ? p9_conn_create+0x4e0/0x4e0 [ 77.570642][ T7723] p9_client_create+0x7ec/0x10e0 [ 77.575569][ T7723] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.581611][ T7723] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.587130][ T7723] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.593169][ T7723] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.598956][ T7723] ? __kmalloc_track_caller+0x60e/0x780 [ 77.604479][ T7723] ? __x64_sys_mount+0x169/0x1c0 [ 77.609401][ T7723] ? do_syscall_64+0xd0/0x630 [ 77.614053][ T7723] ? lockdep_init_map+0x1b6/0x6c0 [ 77.619064][ T7723] v9fs_session_init+0x1ed/0x14c0 [ 77.624065][ T7723] ? v9fs_session_init+0x1ed/0x14c0 [ 77.629236][ T7723] ? __lock_acquire+0x100f/0x4ef0 [ 77.634252][ T7723] ? find_held_lock+0x36/0x1d0 [ 77.639000][ T7723] ? v9fs_show_options+0x6c0/0x6c0 [ 77.644087][ T7723] ? __kasan_check_read+0x11/0x20 [ 77.649094][ T7723] ? v9fs_mount+0x55/0x7f0 [ 77.654444][ T7723] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.659974][ T7723] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.666012][ T7723] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.671798][ T7723] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.677322][ T7723] ? apparmor_task_alloc+0x2f0/0x2f0 [ 77.682585][ T7723] v9fs_mount+0x72/0x7f0 [ 77.686812][ T7723] ? v9fs_write_inode+0x50/0x50 [ 77.691655][ T7723] legacy_get_tree+0x103/0x1f0 [ 77.696403][ T7723] vfs_get_tree+0x8b/0x2d0 [ 77.700805][ T7723] ? capable+0x14/0x20 [ 77.704861][ T7723] do_mount+0x1270/0x1b60 [ 77.709161][ T7723] ? lock_downgrade+0x900/0x900 [ 77.714014][ T7723] ? copy_mount_string+0x20/0x20 [ 77.718962][ T7723] ? __kasan_check_write+0x14/0x20 [ 77.724049][ T7723] ? _copy_from_user+0xd6/0x110 [ 77.728883][ T7723] __x64_sys_mount+0x169/0x1c0 [ 77.733623][ T7723] do_syscall_64+0xd0/0x630 [ 77.738113][ T7723] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.743995][ T7723] RIP: 0033:0x458da9 [ 77.747866][ T7723] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.767445][ T7723] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 77.775829][ T7723] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 77.783776][ T7723] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.791722][ T7723] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.799672][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 77.807636][ T7723] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.815608][ T7727] CPU: 0 PID: 7727 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 77.824191][ T7727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.834231][ T7727] Call Trace: [ 77.837516][ T7727] dump_stack+0x12d/0x187 [ 77.841827][ T7727] should_fail.cold.4+0x5/0x13 [ 77.846563][ T7727] ? stack_trace_save+0x82/0xb0 [ 77.851389][ T7727] ? fault_create_debugfs_attr+0x150/0x150 [ 77.857184][ T7727] __should_failslab+0xba/0xf0 [ 77.861928][ T7727] should_failslab+0x9/0x14 [ 77.866408][ T7727] kmem_cache_alloc+0x47/0x750 [ 77.871164][ T7727] ? __x64_sys_mount+0x169/0x1c0 [ 77.876074][ T7727] ? do_syscall_64+0xd0/0x630 [ 77.880736][ T7727] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 77.887130][ T7727] ? __kasan_check_read+0x11/0x20 [ 77.892136][ T7727] idr_get_free+0x35d/0x880 [ 77.896640][ T7727] ? __kasan_check_read+0x11/0x20 [ 77.901642][ T7727] idr_alloc_u32+0x13a/0x330 [ 77.906218][ T7727] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 77.911763][ T7727] ? mark_held_locks+0x130/0x130 [ 77.916797][ T7727] ? __kasan_check_write+0x14/0x20 [ 77.921886][ T7727] ? do_raw_spin_lock+0x132/0x2e0 [ 77.926912][ T7727] idr_alloc+0x7d/0xc0 [ 77.930969][ T7727] ? idr_alloc_u32+0x330/0x330 [ 77.935717][ T7727] p9_client_prepare_req.part.5+0x571/0x670 [ 77.941605][ T7727] p9_client_rpc+0x174/0xe50 [ 77.946181][ T7727] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.952238][ T7727] ? p9_pollwait+0x182/0x210 [ 77.956822][ T7727] ? pipe_poll+0xc2/0x6b0 [ 77.961135][ T7727] ? ksys_dup3+0x2e0/0x2e0 [ 77.965595][ T7727] ? p9_fd_poll+0x19b/0x2a0 [ 77.970090][ T7727] ? p9_conn_create+0x399/0x4e0 [ 77.974928][ T7727] ? p9_conn_create+0x4e0/0x4e0 [ 77.979770][ T7727] p9_client_create+0x7ec/0x10e0 [ 77.984693][ T7727] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.990734][ T7727] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.996261][ T7727] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.002320][ T7727] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.008113][ T7727] ? __kmalloc_track_caller+0x60e/0x780 [ 78.013653][ T7727] ? __x64_sys_mount+0x169/0x1c0 [ 78.018569][ T7727] ? do_syscall_64+0xd0/0x630 [ 78.023220][ T7727] ? lockdep_init_map+0x1b6/0x6c0 [ 78.028230][ T7727] v9fs_session_init+0x1ed/0x14c0 [ 78.033230][ T7727] ? v9fs_session_init+0x1ed/0x14c0 [ 78.038402][ T7727] ? __lock_acquire+0x100f/0x4ef0 [ 78.043423][ T7727] ? find_held_lock+0x36/0x1d0 [ 78.048200][ T7727] ? v9fs_show_options+0x6c0/0x6c0 [ 78.053292][ T7727] ? __kasan_check_read+0x11/0x20 [ 78.058393][ T7727] ? v9fs_mount+0x55/0x7f0 [ 78.062806][ T7727] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.068334][ T7727] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.074378][ T7727] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.080165][ T7727] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.085691][ T7727] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.090959][ T7727] v9fs_mount+0x72/0x7f0 [ 78.095184][ T7727] ? v9fs_write_inode+0x50/0x50 [ 78.100017][ T7727] legacy_get_tree+0x103/0x1f0 [ 78.104765][ T7727] vfs_get_tree+0x8b/0x2d0 [ 78.109160][ T7727] ? capable+0x14/0x20 [ 78.113212][ T7727] do_mount+0x1270/0x1b60 [ 78.117517][ T7727] ? lock_downgrade+0x900/0x900 [ 78.122347][ T7727] ? copy_mount_string+0x20/0x20 [ 78.127272][ T7727] ? __kasan_check_write+0x14/0x20 [ 78.132384][ T7727] ? _copy_from_user+0xd6/0x110 [ 78.137218][ T7727] __x64_sys_mount+0x169/0x1c0 [ 78.141964][ T7727] do_syscall_64+0xd0/0x630 [ 78.146465][ T7727] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.152343][ T7727] RIP: 0033:0x458da9 [ 78.156227][ T7727] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.175815][ T7727] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.184214][ T7727] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 78.192170][ T7727] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.200129][ T7727] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 78.208084][ T7727] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 78.216053][ T7727] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 78.224037][ T7722] CPU: 1 PID: 7722 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 78.232616][ T7722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.242663][ T7722] Call Trace: [ 78.245941][ T7722] dump_stack+0x12d/0x187 [ 78.249368][ T7730] FAULT_INJECTION: forcing a failure. [ 78.249368][ T7730] name failslab, interval 1, probability 0, space 0, times 0 [ 78.250262][ T7722] should_fail.cold.4+0x5/0x13 [ 78.250274][ T7722] ? fault_create_debugfs_attr+0x150/0x150 [ 78.250287][ T7722] ? ___might_sleep+0x16b/0x2b0 [ 78.250303][ T7722] __should_failslab+0xba/0xf0 [ 78.282964][ T7722] should_failslab+0x9/0x14 [ 78.287446][ T7722] __kmalloc+0x2eb/0x790 [ 78.291676][ T7722] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 78.296944][ T7722] ? kmem_cache_alloc+0x376/0x750 [ 78.301958][ T7722] p9_fcall_init.isra.2+0x55/0x1c0 [ 78.307068][ T7722] p9_client_prepare_req.part.5+0x96/0x670 [ 78.312873][ T7722] p9_client_rpc+0x174/0xe50 [ 78.317445][ T7722] ? p9_client_prepare_req.part.5+0x670/0x670 [ 78.323495][ T7722] ? p9_pollwait+0x182/0x210 [ 78.328066][ T7722] ? pipe_poll+0xc2/0x6b0 [ 78.332387][ T7722] ? ksys_dup3+0x2e0/0x2e0 [ 78.336786][ T7722] ? p9_fd_poll+0x19b/0x2a0 [ 78.341283][ T7722] ? p9_conn_create+0x399/0x4e0 [ 78.346132][ T7722] ? p9_conn_create+0x4e0/0x4e0 [ 78.350983][ T7722] p9_client_create+0x7ec/0x10e0 [ 78.355915][ T7722] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 78.362075][ T7722] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.367610][ T7722] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.373665][ T7722] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.379465][ T7722] ? __kmalloc_track_caller+0x60e/0x780 [ 78.380716][ T7734] FAULT_INJECTION: forcing a failure. [ 78.380716][ T7734] name failslab, interval 1, probability 0, space 0, times 0 [ 78.385016][ T7722] ? __x64_sys_mount+0x169/0x1c0 [ 78.402486][ T7722] ? do_syscall_64+0xd0/0x630 [ 78.407174][ T7722] ? lockdep_init_map+0x1b6/0x6c0 [ 78.412197][ T7722] v9fs_session_init+0x1ed/0x14c0 [ 78.417202][ T7722] ? v9fs_session_init+0x1ed/0x14c0 [ 78.422393][ T7722] ? cache_grow_end+0xa8/0x190 [ 78.427146][ T7722] ? lock_downgrade+0x900/0x900 [ 78.431972][ T7722] ? __kasan_check_write+0x14/0x20 [ 78.437061][ T7722] ? v9fs_show_options+0x6c0/0x6c0 [ 78.442161][ T7722] ? __kasan_check_read+0x11/0x20 [ 78.447179][ T7722] ? v9fs_mount+0x55/0x7f0 [ 78.451593][ T7722] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.457117][ T7722] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.463161][ T7722] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.468966][ T7722] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.474498][ T7722] v9fs_mount+0x72/0x7f0 [ 78.478725][ T7722] ? v9fs_write_inode+0x50/0x50 [ 78.483585][ T7722] legacy_get_tree+0x103/0x1f0 [ 78.488332][ T7722] vfs_get_tree+0x8b/0x2d0 [ 78.492725][ T7722] ? capable+0x14/0x20 [ 78.496774][ T7722] do_mount+0x1270/0x1b60 [ 78.501087][ T7722] ? lock_downgrade+0x900/0x900 [ 78.505931][ T7722] ? copy_mount_string+0x20/0x20 [ 78.510872][ T7722] ? __kasan_check_write+0x14/0x20 [ 78.516001][ T7722] ? _copy_from_user+0xd6/0x110 [ 78.520848][ T7722] __x64_sys_mount+0x169/0x1c0 [ 78.525600][ T7722] do_syscall_64+0xd0/0x630 [ 78.530102][ T7722] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.535973][ T7722] RIP: 0033:0x458da9 [ 78.539843][ T7722] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.559531][ T7722] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.567929][ T7722] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 78.575879][ T7722] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.583830][ T7722] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 78.591794][ T7722] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 78.599744][ T7722] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 78.607723][ T7734] CPU: 0 PID: 7734 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 78.616309][ T7734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.626369][ T7734] Call Trace: [ 78.629654][ T7734] dump_stack+0x12d/0x187 [ 78.633983][ T7734] should_fail.cold.4+0x5/0x13 [ 78.638734][ T7734] ? stack_trace_save+0x82/0xb0 [ 78.643590][ T7734] ? fault_create_debugfs_attr+0x150/0x150 [ 78.649426][ T7734] __should_failslab+0xba/0xf0 [ 78.654189][ T7734] should_failslab+0x9/0x14 [ 78.658686][ T7734] kmem_cache_alloc+0x47/0x750 [ 78.663489][ T7734] ? __x64_sys_mount+0x169/0x1c0 [ 78.668424][ T7734] ? do_syscall_64+0xd0/0x630 [ 78.673108][ T7734] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 78.679521][ T7734] ? __kasan_check_read+0x11/0x20 [ 78.684541][ T7734] idr_get_free+0x35d/0x880 [ 78.689048][ T7734] ? __kasan_check_read+0x11/0x20 [ 78.694071][ T7734] idr_alloc_u32+0x13a/0x330 [ 78.698662][ T7734] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 78.704197][ T7734] ? mark_held_locks+0x130/0x130 [ 78.709131][ T7734] ? __kasan_check_write+0x14/0x20 [ 78.714233][ T7734] ? do_raw_spin_lock+0x132/0x2e0 [ 78.719259][ T7734] idr_alloc+0x7d/0xc0 [ 78.723323][ T7734] ? idr_alloc_u32+0x330/0x330 [ 78.728091][ T7734] p9_client_prepare_req.part.5+0x571/0x670 [ 78.733983][ T7734] p9_client_rpc+0x174/0xe50 [ 78.738575][ T7734] ? p9_client_prepare_req.part.5+0x670/0x670 [ 78.744631][ T7734] ? p9_pollwait+0x182/0x210 [ 78.749211][ T7734] ? pipe_poll+0xc2/0x6b0 [ 78.753638][ T7734] ? ksys_dup3+0x2e0/0x2e0 [ 78.758050][ T7734] ? p9_fd_poll+0x19b/0x2a0 [ 78.762555][ T7734] ? p9_conn_create+0x399/0x4e0 [ 78.767398][ T7734] ? p9_conn_create+0x4e0/0x4e0 [ 78.772255][ T7734] p9_client_create+0x7ec/0x10e0 [ 78.777210][ T7734] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 78.783271][ T7734] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.788822][ T7734] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.794891][ T7734] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.800700][ T7734] ? __kmalloc_track_caller+0x60e/0x780 [ 78.806258][ T7734] ? __x64_sys_mount+0x169/0x1c0 [ 78.811191][ T7734] ? do_syscall_64+0xd0/0x630 [ 78.815859][ T7734] ? lockdep_init_map+0x1b6/0x6c0 [ 78.820908][ T7734] v9fs_session_init+0x1ed/0x14c0 [ 78.825917][ T7734] ? v9fs_session_init+0x1ed/0x14c0 [ 78.831098][ T7734] ? __lock_acquire+0x100f/0x4ef0 [ 78.836109][ T7734] ? find_held_lock+0x36/0x1d0 [ 78.840867][ T7734] ? v9fs_show_options+0x6c0/0x6c0 [ 78.845962][ T7734] ? __kasan_check_read+0x11/0x20 [ 78.850991][ T7734] ? v9fs_mount+0x55/0x7f0 [ 78.855396][ T7734] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.860944][ T7734] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.866990][ T7734] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.872792][ T7734] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.878345][ T7734] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.883620][ T7734] v9fs_mount+0x72/0x7f0 [ 78.887853][ T7734] ? v9fs_write_inode+0x50/0x50 [ 78.892687][ T7734] legacy_get_tree+0x103/0x1f0 [ 78.897547][ T7734] vfs_get_tree+0x8b/0x2d0 [ 78.901970][ T7734] ? capable+0x14/0x20 [ 78.906137][ T7734] do_mount+0x1270/0x1b60 [ 78.910451][ T7734] ? lock_downgrade+0x900/0x900 [ 78.915333][ T7734] ? copy_mount_string+0x20/0x20 [ 78.920283][ T7734] ? __kasan_check_write+0x14/0x20 [ 78.925380][ T7734] ? _copy_from_user+0xd6/0x110 [ 78.930232][ T7734] __x64_sys_mount+0x169/0x1c0 [ 78.934991][ T7734] do_syscall_64+0xd0/0x630 [ 78.939509][ T7734] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.945390][ T7734] RIP: 0033:0x458da9 [ 78.949270][ T7734] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.968861][ T7734] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.977264][ T7734] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 78.985230][ T7734] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.993190][ T7734] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 79.001172][ T7734] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 79.009134][ T7734] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.019376][ T7730] CPU: 0 PID: 7730 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 79.027966][ T7730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.031707][ T7741] FAULT_INJECTION: forcing a failure. [ 79.031707][ T7741] name failslab, interval 1, probability 0, space 0, times 0 [ 79.038009][ T7730] Call Trace: [ 79.038030][ T7730] dump_stack+0x12d/0x187 [ 79.038049][ T7730] should_fail.cold.4+0x5/0x13 [ 79.052616][ T7742] FAULT_INJECTION: forcing a failure. [ 79.052616][ T7742] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 79.053887][ T7730] ? fault_create_debugfs_attr+0x150/0x150 [ 79.081882][ T7730] ? ___might_sleep+0x16b/0x2b0 [ 79.092364][ T7730] __should_failslab+0xba/0xf0 [ 79.097124][ T7730] should_failslab+0x9/0x14 [ 79.101603][ T7730] __kmalloc+0x2eb/0x790 [ 79.105864][ T7730] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 79.111131][ T7730] p9_fcall_init.isra.2+0x55/0x1c0 [ 79.116220][ T7730] p9_client_prepare_req.part.5+0x116/0x670 [ 79.122111][ T7730] p9_client_rpc+0x174/0xe50 [ 79.126685][ T7730] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.132751][ T7730] ? p9_pollwait+0x182/0x210 [ 79.137329][ T7730] ? pipe_poll+0xc2/0x6b0 [ 79.141639][ T7730] ? ksys_dup3+0x2e0/0x2e0 [ 79.146037][ T7730] ? p9_fd_poll+0x19b/0x2a0 [ 79.150523][ T7730] ? p9_conn_create+0x399/0x4e0 [ 79.155366][ T7730] ? p9_conn_create+0x4e0/0x4e0 [ 79.160218][ T7730] p9_client_create+0x7ec/0x10e0 [ 79.165163][ T7730] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 79.171215][ T7730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.176737][ T7730] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.182786][ T7730] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.188595][ T7730] ? __kmalloc_track_caller+0x60e/0x780 [ 79.194126][ T7730] ? __x64_sys_mount+0x169/0x1c0 [ 79.199039][ T7730] ? do_syscall_64+0xd0/0x630 [ 79.203717][ T7730] ? lockdep_init_map+0x1b6/0x6c0 [ 79.208734][ T7730] v9fs_session_init+0x1ed/0x14c0 [ 79.213746][ T7730] ? v9fs_session_init+0x1ed/0x14c0 [ 79.218919][ T7730] ? __lock_acquire+0x100f/0x4ef0 [ 79.223922][ T7730] ? find_held_lock+0x36/0x1d0 [ 79.228691][ T7730] ? v9fs_show_options+0x6c0/0x6c0 [ 79.233779][ T7730] ? __kasan_check_read+0x11/0x20 [ 79.238804][ T7730] ? v9fs_mount+0x55/0x7f0 [ 79.243207][ T7730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.248728][ T7730] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.254886][ T7730] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.260682][ T7730] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.266222][ T7730] ? apparmor_task_alloc+0x2f0/0x2f0 [ 79.271492][ T7730] v9fs_mount+0x72/0x7f0 [ 79.275780][ T7730] ? v9fs_write_inode+0x50/0x50 [ 79.280617][ T7730] legacy_get_tree+0x103/0x1f0 [ 79.285364][ T7730] vfs_get_tree+0x8b/0x2d0 [ 79.289756][ T7730] ? capable+0x14/0x20 [ 79.293804][ T7730] do_mount+0x1270/0x1b60 [ 79.298108][ T7730] ? lock_downgrade+0x900/0x900 [ 79.302936][ T7730] ? copy_mount_string+0x20/0x20 [ 79.307860][ T7730] ? __kasan_check_write+0x14/0x20 [ 79.312948][ T7730] ? _copy_from_user+0xd6/0x110 [ 79.317806][ T7730] __x64_sys_mount+0x169/0x1c0 [ 79.322552][ T7730] do_syscall_64+0xd0/0x630 [ 79.327039][ T7730] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.332909][ T7730] RIP: 0033:0x458da9 [ 79.336789][ T7730] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.356377][ T7730] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 79.364765][ T7730] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 79.372718][ T7730] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 79.380683][ T7730] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 79.388654][ T7730] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 79.396600][ T7730] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.404584][ T7742] CPU: 1 PID: 7742 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 79.413163][ T7742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.423211][ T7742] Call Trace: [ 79.426505][ T7742] dump_stack+0x12d/0x187 [ 79.430836][ T7742] should_fail.cold.4+0x5/0x13 [ 79.435592][ T7742] ? kmem_cache_alloc+0x121/0x750 [ 79.440612][ T7742] ? fault_create_debugfs_attr+0x150/0x150 [ 79.446401][ T7742] ? vfs_get_tree+0x8b/0x2d0 [ 79.450975][ T7742] ? do_mount+0x1270/0x1b60 [ 79.455460][ T7742] ? __x64_sys_mount+0x169/0x1c0 [ 79.460377][ T7742] ? do_syscall_64+0xd0/0x630 [ 79.465033][ T7742] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.471207][ T7742] should_fail_alloc_page+0x50/0x60 [ 79.476490][ T7742] __alloc_pages_nodemask+0x17f/0x890 [ 79.481855][ T7742] ? __alloc_pages_slowpath+0x2540/0x2540 [ 79.487577][ T7742] cache_grow_begin+0x92/0xca0 [ 79.492322][ T7742] ? __kmalloc+0xc5/0x790 [ 79.496630][ T7742] ? trace_hardirqs_off+0x41/0x1a0 [ 79.501722][ T7742] __kmalloc+0x6cd/0x790 [ 79.505954][ T7742] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 79.511342][ T7742] p9_fcall_init.isra.2+0x55/0x1c0 [ 79.516468][ T7742] p9_client_prepare_req.part.5+0x96/0x670 [ 79.522262][ T7742] p9_client_rpc+0x174/0xe50 [ 79.526839][ T7742] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.532896][ T7742] ? p9_pollwait+0x182/0x210 [ 79.537480][ T7742] ? pipe_poll+0xc2/0x6b0 [ 79.541800][ T7742] ? ksys_dup3+0x2e0/0x2e0 [ 79.546205][ T7742] ? p9_fd_poll+0x19b/0x2a0 [ 79.550695][ T7742] ? p9_conn_create+0x399/0x4e0 [ 79.555530][ T7742] ? p9_conn_create+0x4e0/0x4e0 [ 79.560379][ T7742] p9_client_create+0x7ec/0x10e0 [ 79.565302][ T7742] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 79.571349][ T7742] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.576876][ T7742] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.582925][ T7742] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.588735][ T7742] ? __kmalloc_track_caller+0x60e/0x780 [ 79.594264][ T7742] ? __x64_sys_mount+0x169/0x1c0 [ 79.599179][ T7742] ? do_syscall_64+0xd0/0x630 [ 79.603833][ T7742] ? lockdep_init_map+0x1b6/0x6c0 [ 79.608843][ T7742] v9fs_session_init+0x1ed/0x14c0 [ 79.613862][ T7742] ? v9fs_session_init+0x1ed/0x14c0 [ 79.619042][ T7742] ? __lock_acquire+0x100f/0x4ef0 [ 79.624066][ T7742] ? find_held_lock+0x36/0x1d0 [ 79.628817][ T7742] ? v9fs_show_options+0x6c0/0x6c0 [ 79.633925][ T7742] ? __kasan_check_read+0x11/0x20 [ 79.638932][ T7742] ? v9fs_mount+0x55/0x7f0 [ 79.643343][ T7742] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.648878][ T7742] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.656772][ T7742] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.662585][ T7742] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.668112][ T7742] ? apparmor_task_alloc+0x2f0/0x2f0 [ 79.673400][ T7742] v9fs_mount+0x72/0x7f0 [ 79.677626][ T7742] ? v9fs_write_inode+0x50/0x50 [ 79.682476][ T7742] legacy_get_tree+0x103/0x1f0 [ 79.687234][ T7742] vfs_get_tree+0x8b/0x2d0 [ 79.691629][ T7742] ? capable+0x14/0x20 [ 79.695698][ T7742] do_mount+0x1270/0x1b60 [ 79.700020][ T7742] ? lock_downgrade+0x900/0x900 [ 79.704862][ T7742] ? copy_mount_string+0x20/0x20 [ 79.709790][ T7742] ? __kasan_check_write+0x14/0x20 [ 79.714879][ T7742] ? _copy_from_user+0xd6/0x110 [ 79.719712][ T7742] __x64_sys_mount+0x169/0x1c0 [ 79.724459][ T7742] do_syscall_64+0xd0/0x630 [ 79.728945][ T7742] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.734828][ T7742] RIP: 0033:0x458da9 [ 79.738700][ T7742] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.758285][ T7742] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 79.766686][ T7742] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 79.774644][ T7742] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 79.782601][ T7742] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 79.790563][ T7742] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 79.798518][ T7742] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.806492][ T7741] CPU: 0 PID: 7741 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 79.815087][ T7741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.825202][ T7741] Call Trace: [ 79.828468][ T7741] dump_stack+0x12d/0x187 [ 79.832777][ T7741] should_fail.cold.4+0x5/0x13 [ 79.837530][ T7741] ? fault_create_debugfs_attr+0x150/0x150 [ 79.843314][ T7741] ? ___might_sleep+0x16b/0x2b0 [ 79.848160][ T7741] __should_failslab+0xba/0xf0 [ 79.852911][ T7741] should_failslab+0x9/0x14 [ 79.857392][ T7741] __kmalloc+0x2eb/0x790 [ 79.861615][ T7741] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 79.866876][ T7741] p9_fcall_init.isra.2+0x55/0x1c0 [ 79.871970][ T7741] p9_client_prepare_req.part.5+0x116/0x670 [ 79.877852][ T7741] p9_client_rpc+0x174/0xe50 [ 79.882425][ T7741] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.888471][ T7741] ? p9_pollwait+0x182/0x210 [ 79.893041][ T7741] ? pipe_poll+0xc2/0x6b0 [ 79.897343][ T7741] ? ksys_dup3+0x2e0/0x2e0 [ 79.901734][ T7741] ? p9_fd_poll+0x19b/0x2a0 [ 79.906211][ T7741] ? p9_conn_create+0x399/0x4e0 [ 79.911058][ T7741] ? p9_conn_create+0x4e0/0x4e0 [ 79.915896][ T7741] p9_client_create+0x7ec/0x10e0 [ 79.920816][ T7741] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 79.926855][ T7741] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.932375][ T7741] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.938414][ T7741] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.944198][ T7741] ? __kmalloc_track_caller+0x60e/0x780 [ 79.949719][ T7741] ? __x64_sys_mount+0x169/0x1c0 [ 79.954630][ T7741] ? do_syscall_64+0xd0/0x630 [ 79.959283][ T7741] ? lockdep_init_map+0x1b6/0x6c0 [ 79.964289][ T7741] v9fs_session_init+0x1ed/0x14c0 [ 79.969296][ T7741] ? v9fs_session_init+0x1ed/0x14c0 [ 79.974465][ T7741] ? __lock_acquire+0x100f/0x4ef0 [ 79.979468][ T7741] ? find_held_lock+0x36/0x1d0 [ 79.984210][ T7741] ? v9fs_show_options+0x6c0/0x6c0 [ 79.989297][ T7741] ? __kasan_check_read+0x11/0x20 [ 79.994302][ T7741] ? v9fs_mount+0x55/0x7f0 [ 79.998692][ T7741] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.004212][ T7741] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.010249][ T7741] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.016044][ T7741] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.021566][ T7741] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.026839][ T7741] v9fs_mount+0x72/0x7f0 [ 80.031072][ T7741] ? v9fs_write_inode+0x50/0x50 [ 80.035895][ T7741] legacy_get_tree+0x103/0x1f0 [ 80.040636][ T7741] vfs_get_tree+0x8b/0x2d0 [ 80.045022][ T7741] ? capable+0x14/0x20 [ 80.049065][ T7741] do_mount+0x1270/0x1b60 [ 80.053452][ T7741] ? lock_downgrade+0x900/0x900 [ 80.058281][ T7741] ? copy_mount_string+0x20/0x20 [ 80.063197][ T7741] ? __kasan_check_write+0x14/0x20 [ 80.068281][ T7741] ? _copy_from_user+0xd6/0x110 [ 80.073119][ T7741] __x64_sys_mount+0x169/0x1c0 [ 80.077860][ T7741] do_syscall_64+0xd0/0x630 [ 80.082340][ T7741] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.088293][ T7741] RIP: 0033:0x458da9 [ 80.092171][ T7741] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.111755][ T7741] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 80.120160][ T7741] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 80.128107][ T7741] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 80.136051][ T7741] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 2020/03/22 08:53:57 executed programs: 55 [ 80.144083][ T7741] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 80.152038][ T7741] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 80.191358][ T7748] FAULT_INJECTION: forcing a failure. [ 80.191358][ T7748] name failslab, interval 1, probability 0, space 0, times 0 [ 80.193614][ T7752] FAULT_INJECTION: forcing a failure. [ 80.193614][ T7752] name failslab, interval 1, probability 0, space 0, times 0 [ 80.220168][ T7755] FAULT_INJECTION: forcing a failure. [ 80.220168][ T7755] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.221435][ T7757] FAULT_INJECTION: forcing a failure. [ 80.221435][ T7757] name failslab, interval 1, probability 0, space 0, times 0 [ 80.233358][ T7755] CPU: 0 PID: 7755 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 80.233362][ T7755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.233366][ T7755] Call Trace: [ 80.233379][ T7755] dump_stack+0x12d/0x187 [ 80.233395][ T7755] should_fail.cold.4+0x5/0x13 [ 80.233401][ T7755] ? kmem_cache_alloc+0x121/0x750 [ 80.233410][ T7755] ? fault_create_debugfs_attr+0x150/0x150 [ 80.233419][ T7755] ? vfs_get_tree+0x8b/0x2d0 [ 80.292383][ T7755] ? do_mount+0x1270/0x1b60 [ 80.296971][ T7755] ? __x64_sys_mount+0x169/0x1c0 [ 80.301920][ T7755] ? do_syscall_64+0xd0/0x630 [ 80.306680][ T7755] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.312745][ T7755] should_fail_alloc_page+0x50/0x60 [ 80.317925][ T7755] __alloc_pages_nodemask+0x17f/0x890 [ 80.323281][ T7755] ? __alloc_pages_slowpath+0x2540/0x2540 [ 80.329095][ T7755] cache_grow_begin+0x92/0xca0 [ 80.333848][ T7755] ? __kmalloc+0xc5/0x790 [ 80.338167][ T7755] ? trace_hardirqs_off+0x41/0x1a0 [ 80.343266][ T7755] __kmalloc+0x6cd/0x790 [ 80.347503][ T7755] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 80.352778][ T7755] p9_fcall_init.isra.2+0x55/0x1c0 [ 80.357884][ T7755] p9_client_prepare_req.part.5+0x96/0x670 [ 80.363682][ T7755] p9_client_rpc+0x174/0xe50 [ 80.368262][ T7755] ? p9_client_prepare_req.part.5+0x670/0x670 [ 80.374312][ T7755] ? p9_pollwait+0x182/0x210 [ 80.378897][ T7755] ? pipe_poll+0xc2/0x6b0 [ 80.383207][ T7755] ? ksys_dup3+0x2e0/0x2e0 [ 80.387618][ T7755] ? p9_fd_poll+0x19b/0x2a0 [ 80.392107][ T7755] ? p9_conn_create+0x399/0x4e0 [ 80.396968][ T7755] ? p9_conn_create+0x4e0/0x4e0 [ 80.401806][ T7755] p9_client_create+0x7ec/0x10e0 [ 80.406730][ T7755] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.412776][ T7755] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.418327][ T7755] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.424377][ T7755] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.430190][ T7755] ? __kmalloc_track_caller+0x60e/0x780 [ 80.435713][ T7755] ? __x64_sys_mount+0x169/0x1c0 [ 80.440645][ T7755] ? do_syscall_64+0xd0/0x630 [ 80.445299][ T7755] ? lockdep_init_map+0x1b6/0x6c0 [ 80.450319][ T7755] v9fs_session_init+0x1ed/0x14c0 [ 80.455338][ T7755] ? v9fs_session_init+0x1ed/0x14c0 [ 80.460509][ T7755] ? __lock_acquire+0x100f/0x4ef0 [ 80.465512][ T7755] ? find_held_lock+0x36/0x1d0 [ 80.470272][ T7755] ? v9fs_show_options+0x6c0/0x6c0 [ 80.475392][ T7755] ? __kasan_check_read+0x11/0x20 [ 80.480409][ T7755] ? v9fs_mount+0x55/0x7f0 [ 80.484811][ T7755] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.490333][ T7755] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.496377][ T7755] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.502173][ T7755] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.507813][ T7755] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.513088][ T7755] v9fs_mount+0x72/0x7f0 [ 80.517321][ T7755] ? v9fs_write_inode+0x50/0x50 [ 80.522170][ T7755] legacy_get_tree+0x103/0x1f0 [ 80.526947][ T7755] vfs_get_tree+0x8b/0x2d0 [ 80.531344][ T7755] ? capable+0x14/0x20 [ 80.535393][ T7755] do_mount+0x1270/0x1b60 [ 80.539807][ T7755] ? lock_downgrade+0x900/0x900 [ 80.544654][ T7755] ? copy_mount_string+0x20/0x20 [ 80.549582][ T7755] ? __kasan_check_write+0x14/0x20 [ 80.554672][ T7755] ? _copy_from_user+0xd6/0x110 [ 80.559506][ T7755] __x64_sys_mount+0x169/0x1c0 [ 80.564257][ T7755] do_syscall_64+0xd0/0x630 [ 80.568744][ T7755] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.574611][ T7755] RIP: 0033:0x458da9 [ 80.578483][ T7755] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.598063][ T7755] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 80.606449][ T7755] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 80.614399][ T7755] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 80.622347][ T7755] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 80.630295][ T7755] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 80.638262][ T7755] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 80.646346][ T7757] CPU: 1 PID: 7757 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 80.654942][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.664992][ T7757] Call Trace: [ 80.668278][ T7757] dump_stack+0x12d/0x187 [ 80.672607][ T7757] should_fail.cold.4+0x5/0x13 [ 80.677364][ T7757] ? fault_create_debugfs_attr+0x150/0x150 [ 80.683162][ T7757] ? ___might_sleep+0x16b/0x2b0 [ 80.687997][ T7757] __should_failslab+0xba/0xf0 [ 80.692759][ T7757] should_failslab+0x9/0x14 [ 80.697241][ T7757] __kmalloc+0x2eb/0x790 [ 80.701478][ T7757] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 80.706749][ T7757] p9_fcall_init.isra.2+0x55/0x1c0 [ 80.711843][ T7757] p9_client_prepare_req.part.5+0x116/0x670 [ 80.717721][ T7757] p9_client_rpc+0x174/0xe50 [ 80.722296][ T7757] ? p9_client_prepare_req.part.5+0x670/0x670 [ 80.728340][ T7757] ? p9_pollwait+0x182/0x210 [ 80.732910][ T7757] ? pipe_poll+0xc2/0x6b0 [ 80.737215][ T7757] ? ksys_dup3+0x2e0/0x2e0 [ 80.741620][ T7757] ? p9_fd_poll+0x19b/0x2a0 [ 80.746117][ T7757] ? p9_conn_create+0x399/0x4e0 [ 80.750962][ T7757] ? p9_conn_create+0x4e0/0x4e0 [ 80.753824][ T7762] FAULT_INJECTION: forcing a failure. [ 80.753824][ T7762] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.755803][ T7757] p9_client_create+0x7ec/0x10e0 [ 80.773921][ T7757] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.779972][ T7757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.785536][ T7757] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.791579][ T7757] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.797376][ T7757] ? __kmalloc_track_caller+0x60e/0x780 [ 80.802902][ T7757] ? __x64_sys_mount+0x169/0x1c0 [ 80.807826][ T7757] ? do_syscall_64+0xd0/0x630 [ 80.812475][ T7757] ? lockdep_init_map+0x1b6/0x6c0 [ 80.817496][ T7757] v9fs_session_init+0x1ed/0x14c0 [ 80.822493][ T7757] ? v9fs_session_init+0x1ed/0x14c0 [ 80.827663][ T7757] ? __lock_acquire+0x100f/0x4ef0 [ 80.832665][ T7757] ? find_held_lock+0x36/0x1d0 [ 80.837411][ T7757] ? v9fs_show_options+0x6c0/0x6c0 [ 80.842493][ T7757] ? __kasan_check_read+0x11/0x20 [ 80.847494][ T7757] ? v9fs_mount+0x55/0x7f0 [ 80.851896][ T7757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.857423][ T7757] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.863475][ T7757] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.869260][ T7757] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.874781][ T7757] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.880043][ T7757] v9fs_mount+0x72/0x7f0 [ 80.884273][ T7757] ? v9fs_write_inode+0x50/0x50 [ 80.889097][ T7757] legacy_get_tree+0x103/0x1f0 [ 80.893839][ T7757] vfs_get_tree+0x8b/0x2d0 [ 80.898229][ T7757] ? capable+0x14/0x20 [ 80.902287][ T7757] do_mount+0x1270/0x1b60 [ 80.906591][ T7757] ? lock_downgrade+0x900/0x900 [ 80.911446][ T7757] ? copy_mount_string+0x20/0x20 [ 80.916388][ T7757] ? __kasan_check_write+0x14/0x20 [ 80.921481][ T7757] ? _copy_from_user+0xd6/0x110 [ 80.926347][ T7757] __x64_sys_mount+0x169/0x1c0 [ 80.931114][ T7757] do_syscall_64+0xd0/0x630 [ 80.935608][ T7757] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.941490][ T7757] RIP: 0033:0x458da9 [ 80.945363][ T7757] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.964948][ T7757] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 80.973337][ T7757] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 80.981286][ T7757] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 80.989235][ T7757] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 80.997185][ T7757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 81.005137][ T7757] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.013124][ T7762] CPU: 0 PID: 7762 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 81.021712][ T7762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.031752][ T7762] Call Trace: [ 81.035019][ T7762] dump_stack+0x12d/0x187 [ 81.039344][ T7762] should_fail.cold.4+0x5/0x13 [ 81.044082][ T7762] ? do_mount+0x1270/0x1b60 [ 81.048565][ T7762] ? fault_create_debugfs_attr+0x150/0x150 [ 81.054350][ T7762] ? find_held_lock+0x36/0x1d0 [ 81.059094][ T7762] should_fail_alloc_page+0x50/0x60 [ 81.064267][ T7762] __alloc_pages_nodemask+0x17f/0x890 [ 81.069616][ T7762] ? cache_grow_end+0xa8/0x190 [ 81.074371][ T7762] ? __alloc_pages_slowpath+0x2540/0x2540 [ 81.080063][ T7762] ? do_raw_spin_lock+0x132/0x2e0 [ 81.085076][ T7762] cache_grow_begin+0x92/0xca0 [ 81.089813][ T7762] ? __kmalloc+0xc5/0x790 [ 81.094118][ T7762] ? trace_hardirqs_off+0x41/0x1a0 [ 81.099221][ T7762] __kmalloc+0x6cd/0x790 [ 81.103444][ T7762] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 81.108719][ T7762] p9_fcall_init.isra.2+0x55/0x1c0 [ 81.113819][ T7762] p9_client_prepare_req.part.5+0x116/0x670 [ 81.119691][ T7762] p9_client_rpc+0x174/0xe50 [ 81.124265][ T7762] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.130314][ T7762] ? p9_pollwait+0x182/0x210 [ 81.134899][ T7762] ? pipe_poll+0xc2/0x6b0 [ 81.139311][ T7762] ? ksys_dup3+0x2e0/0x2e0 [ 81.143704][ T7762] ? p9_fd_poll+0x19b/0x2a0 [ 81.148182][ T7762] ? p9_conn_create+0x399/0x4e0 [ 81.153012][ T7762] ? p9_conn_create+0x4e0/0x4e0 [ 81.157859][ T7762] p9_client_create+0x7ec/0x10e0 [ 81.162783][ T7762] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 81.168824][ T7762] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.174356][ T7762] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.180444][ T7762] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.186240][ T7762] ? __kmalloc_track_caller+0x60e/0x780 [ 81.191764][ T7762] ? __x64_sys_mount+0x169/0x1c0 [ 81.196690][ T7762] ? do_syscall_64+0xd0/0x630 [ 81.201345][ T7762] ? lockdep_init_map+0x1b6/0x6c0 [ 81.206364][ T7762] v9fs_session_init+0x1ed/0x14c0 [ 81.211370][ T7762] ? v9fs_session_init+0x1ed/0x14c0 [ 81.216543][ T7762] ? __lock_acquire+0x100f/0x4ef0 [ 81.221560][ T7762] ? find_held_lock+0x36/0x1d0 [ 81.226312][ T7762] ? v9fs_show_options+0x6c0/0x6c0 [ 81.231401][ T7762] ? __kasan_check_read+0x11/0x20 [ 81.236424][ T7762] ? v9fs_mount+0x55/0x7f0 [ 81.240835][ T7762] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.246362][ T7762] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.252420][ T7762] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.258207][ T7762] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.263764][ T7762] ? apparmor_task_alloc+0x2f0/0x2f0 [ 81.269226][ T7762] v9fs_mount+0x72/0x7f0 [ 81.273466][ T7762] ? v9fs_write_inode+0x50/0x50 [ 81.278293][ T7762] legacy_get_tree+0x103/0x1f0 [ 81.283039][ T7762] vfs_get_tree+0x8b/0x2d0 [ 81.287448][ T7762] ? capable+0x14/0x20 [ 81.291512][ T7762] do_mount+0x1270/0x1b60 [ 81.295818][ T7762] ? lock_downgrade+0x900/0x900 [ 81.300666][ T7762] ? copy_mount_string+0x20/0x20 [ 81.305589][ T7762] ? __kasan_check_write+0x14/0x20 [ 81.310690][ T7762] ? _copy_from_user+0xd6/0x110 [ 81.315532][ T7762] __x64_sys_mount+0x169/0x1c0 [ 81.320290][ T7762] do_syscall_64+0xd0/0x630 [ 81.324796][ T7762] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.330671][ T7762] RIP: 0033:0x458da9 [ 81.334546][ T7762] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.354127][ T7762] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.362514][ T7762] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 81.370465][ T7762] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.378413][ T7762] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 81.386375][ T7762] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 81.394341][ T7762] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.414969][ T7748] CPU: 1 PID: 7748 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 81.423583][ T7748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.433632][ T7748] Call Trace: [ 81.436920][ T7748] dump_stack+0x12d/0x187 [ 81.441255][ T7748] should_fail.cold.4+0x5/0x13 [ 81.442329][ T7768] FAULT_INJECTION: forcing a failure. [ 81.442329][ T7768] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.446031][ T7748] ? fault_create_debugfs_attr+0x150/0x150 [ 81.464984][ T7748] ? ___might_sleep+0x16b/0x2b0 [ 81.469831][ T7748] __should_failslab+0xba/0xf0 [ 81.474588][ T7748] should_failslab+0x9/0x14 [ 81.479083][ T7748] __kmalloc+0x2eb/0x790 [ 81.483345][ T7748] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 81.488619][ T7748] p9_fcall_init.isra.2+0x55/0x1c0 [ 81.493727][ T7748] p9_client_prepare_req.part.5+0x116/0x670 [ 81.499623][ T7748] p9_client_rpc+0x174/0xe50 [ 81.504218][ T7748] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.510274][ T7748] ? p9_pollwait+0x182/0x210 [ 81.514882][ T7748] ? pipe_poll+0xc2/0x6b0 [ 81.519193][ T7748] ? ksys_dup3+0x2e0/0x2e0 [ 81.523591][ T7748] ? p9_fd_poll+0x19b/0x2a0 [ 81.528078][ T7748] ? p9_conn_create+0x399/0x4e0 [ 81.532931][ T7748] ? p9_conn_create+0x4e0/0x4e0 [ 81.537770][ T7748] p9_client_create+0x7ec/0x10e0 [ 81.542695][ T7748] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 81.548753][ T7748] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.554308][ T7748] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.560352][ T7748] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.566141][ T7748] ? __kmalloc_track_caller+0x60e/0x780 [ 81.571664][ T7748] ? __x64_sys_mount+0x169/0x1c0 [ 81.576581][ T7748] ? do_syscall_64+0xd0/0x630 [ 81.581233][ T7748] ? lockdep_init_map+0x1b6/0x6c0 [ 81.586259][ T7748] v9fs_session_init+0x1ed/0x14c0 [ 81.591285][ T7748] ? v9fs_session_init+0x1ed/0x14c0 [ 81.596457][ T7748] ? __lock_acquire+0x100f/0x4ef0 [ 81.601492][ T7748] ? find_held_lock+0x36/0x1d0 [ 81.606251][ T7748] ? v9fs_show_options+0x6c0/0x6c0 [ 81.611357][ T7748] ? __kasan_check_read+0x11/0x20 [ 81.616367][ T7748] ? v9fs_mount+0x55/0x7f0 [ 81.620765][ T7748] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.626292][ T7748] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.632352][ T7748] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.638142][ T7748] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.643671][ T7748] ? apparmor_task_alloc+0x2f0/0x2f0 [ 81.648950][ T7748] v9fs_mount+0x72/0x7f0 [ 81.653173][ T7748] ? v9fs_write_inode+0x50/0x50 [ 81.658000][ T7748] legacy_get_tree+0x103/0x1f0 [ 81.662746][ T7748] vfs_get_tree+0x8b/0x2d0 [ 81.667141][ T7748] ? capable+0x14/0x20 [ 81.671190][ T7748] do_mount+0x1270/0x1b60 [ 81.675497][ T7748] ? lock_downgrade+0x900/0x900 [ 81.680329][ T7748] ? copy_mount_string+0x20/0x20 [ 81.685271][ T7748] ? __kasan_check_write+0x14/0x20 [ 81.690365][ T7748] ? _copy_from_user+0xd6/0x110 [ 81.695199][ T7748] __x64_sys_mount+0x169/0x1c0 [ 81.699956][ T7748] do_syscall_64+0xd0/0x630 [ 81.704443][ T7748] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.710758][ T7748] RIP: 0033:0x458da9 [ 81.714640][ T7748] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.734246][ T7748] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.742639][ T7748] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 81.750586][ T7748] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.758535][ T7748] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 81.766485][ T7748] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 81.774445][ T7748] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.782422][ T7768] CPU: 0 PID: 7768 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 81.791010][ T7768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.801067][ T7768] Call Trace: [ 81.804357][ T7768] dump_stack+0x12d/0x187 [ 81.808674][ T7768] should_fail.cold.4+0x5/0x13 [ 81.813424][ T7768] ? do_mount+0x1270/0x1b60 [ 81.817934][ T7768] ? fault_create_debugfs_attr+0x150/0x150 [ 81.823737][ T7768] ? find_held_lock+0x36/0x1d0 [ 81.828495][ T7768] should_fail_alloc_page+0x50/0x60 [ 81.833694][ T7768] __alloc_pages_nodemask+0x17f/0x890 [ 81.839059][ T7768] ? cache_grow_end+0xa8/0x190 [ 81.843803][ T7768] ? __alloc_pages_slowpath+0x2540/0x2540 [ 81.849500][ T7768] ? do_raw_spin_lock+0x132/0x2e0 [ 81.854532][ T7768] cache_grow_begin+0x92/0xca0 [ 81.859292][ T7768] ? __kmalloc+0xc5/0x790 [ 81.863614][ T7768] ? trace_hardirqs_off+0x41/0x1a0 [ 81.868707][ T7768] __kmalloc+0x6cd/0x790 [ 81.872961][ T7768] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 81.878245][ T7768] p9_fcall_init.isra.2+0x55/0x1c0 [ 81.883335][ T7768] p9_client_prepare_req.part.5+0x116/0x670 [ 81.889233][ T7768] p9_client_rpc+0x174/0xe50 [ 81.893822][ T7768] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.899866][ T7768] ? p9_pollwait+0x182/0x210 [ 81.904439][ T7768] ? pipe_poll+0xc2/0x6b0 [ 81.908758][ T7768] ? ksys_dup3+0x2e0/0x2e0 [ 81.913154][ T7768] ? p9_fd_poll+0x19b/0x2a0 [ 81.917673][ T7768] ? p9_conn_create+0x399/0x4e0 [ 81.922510][ T7768] ? p9_conn_create+0x4e0/0x4e0 [ 81.927350][ T7768] p9_client_create+0x7ec/0x10e0 [ 81.932288][ T7768] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 81.938356][ T7768] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.943882][ T7768] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.949940][ T7768] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.955735][ T7768] ? __kmalloc_track_caller+0x60e/0x780 [ 81.961264][ T7768] ? __x64_sys_mount+0x169/0x1c0 [ 81.966183][ T7768] ? do_syscall_64+0xd0/0x630 [ 81.970838][ T7768] ? lockdep_init_map+0x1b6/0x6c0 [ 81.975870][ T7768] v9fs_session_init+0x1ed/0x14c0 [ 81.980879][ T7768] ? v9fs_session_init+0x1ed/0x14c0 [ 81.986080][ T7768] ? __lock_acquire+0x100f/0x4ef0 [ 81.991092][ T7768] ? find_held_lock+0x36/0x1d0 [ 81.995857][ T7768] ? v9fs_show_options+0x6c0/0x6c0 [ 82.000956][ T7768] ? __kasan_check_read+0x11/0x20 [ 82.005971][ T7768] ? v9fs_mount+0x55/0x7f0 [ 82.010370][ T7768] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.015891][ T7768] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.021951][ T7768] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.027743][ T7768] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.033270][ T7768] ? apparmor_task_alloc+0x2f0/0x2f0 [ 82.038536][ T7768] v9fs_mount+0x72/0x7f0 [ 82.042774][ T7768] ? v9fs_write_inode+0x50/0x50 [ 82.047604][ T7768] legacy_get_tree+0x103/0x1f0 [ 82.052351][ T7768] vfs_get_tree+0x8b/0x2d0 [ 82.056741][ T7768] ? capable+0x14/0x20 [ 82.060787][ T7768] do_mount+0x1270/0x1b60 [ 82.065095][ T7768] ? lock_downgrade+0x900/0x900 [ 82.069935][ T7768] ? copy_mount_string+0x20/0x20 [ 82.074857][ T7768] ? __kasan_check_write+0x14/0x20 [ 82.079943][ T7768] ? _copy_from_user+0xd6/0x110 [ 82.084790][ T7768] __x64_sys_mount+0x169/0x1c0 [ 82.089547][ T7768] do_syscall_64+0xd0/0x630 [ 82.094059][ T7768] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.099926][ T7768] RIP: 0033:0x458da9 [ 82.103796][ T7768] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.123375][ T7768] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.131772][ T7768] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 82.139721][ T7768] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.147667][ T7768] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.155625][ T7768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 82.163585][ T7768] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.171552][ T7752] CPU: 1 PID: 7752 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 82.180140][ T7752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.190186][ T7752] Call Trace: [ 82.191096][ T7767] FAULT_INJECTION: forcing a failure. [ 82.191096][ T7767] name failslab, interval 1, probability 0, space 0, times 0 [ 82.193477][ T7752] dump_stack+0x12d/0x187 [ 82.193493][ T7752] should_fail.cold.4+0x5/0x13 [ 82.193504][ T7752] ? fault_create_debugfs_attr+0x150/0x150 [ 82.193516][ T7752] ? ___might_sleep+0x16b/0x2b0 [ 82.225758][ T7752] __should_failslab+0xba/0xf0 [ 82.230538][ T7752] should_failslab+0x9/0x14 [ 82.235036][ T7752] __kmalloc+0x2eb/0x790 [ 82.239261][ T7752] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 82.244528][ T7752] p9_fcall_init.isra.2+0x55/0x1c0 [ 82.249619][ T7752] p9_client_prepare_req.part.5+0x116/0x670 [ 82.255493][ T7752] p9_client_rpc+0x174/0xe50 [ 82.260065][ T7752] ? p9_client_prepare_req.part.5+0x670/0x670 [ 82.266128][ T7752] ? p9_pollwait+0x182/0x210 [ 82.270709][ T7752] ? pipe_poll+0xc2/0x6b0 [ 82.275022][ T7752] ? ksys_dup3+0x2e0/0x2e0 [ 82.279449][ T7752] ? p9_fd_poll+0x19b/0x2a0 [ 82.283934][ T7752] ? p9_conn_create+0x399/0x4e0 [ 82.288766][ T7752] ? p9_conn_create+0x4e0/0x4e0 [ 82.293606][ T7752] p9_client_create+0x7ec/0x10e0 [ 82.298533][ T7752] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 82.304596][ T7752] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.310124][ T7752] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.316175][ T7752] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.321973][ T7752] ? __kmalloc_track_caller+0x60e/0x780 [ 82.327520][ T7752] ? __x64_sys_mount+0x169/0x1c0 [ 82.332453][ T7752] ? do_syscall_64+0xd0/0x630 [ 82.337129][ T7752] ? lockdep_init_map+0x1b6/0x6c0 [ 82.342154][ T7752] v9fs_session_init+0x1ed/0x14c0 [ 82.347156][ T7752] ? v9fs_session_init+0x1ed/0x14c0 [ 82.352337][ T7752] ? cache_grow_end+0xa8/0x190 [ 82.357079][ T7752] ? lock_downgrade+0x900/0x900 [ 82.361903][ T7752] ? __kasan_check_write+0x14/0x20 [ 82.367006][ T7752] ? v9fs_show_options+0x6c0/0x6c0 [ 82.372214][ T7752] ? __kasan_check_read+0x11/0x20 [ 82.377219][ T7752] ? v9fs_mount+0x55/0x7f0 [ 82.381614][ T7752] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.387243][ T7752] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.393310][ T7752] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.399105][ T7752] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.404642][ T7752] v9fs_mount+0x72/0x7f0 [ 82.408877][ T7752] ? v9fs_write_inode+0x50/0x50 [ 82.413709][ T7752] legacy_get_tree+0x103/0x1f0 [ 82.418472][ T7752] vfs_get_tree+0x8b/0x2d0 [ 82.422865][ T7752] ? capable+0x14/0x20 [ 82.426916][ T7752] do_mount+0x1270/0x1b60 [ 82.431241][ T7752] ? lock_downgrade+0x900/0x900 [ 82.436074][ T7752] ? copy_mount_string+0x20/0x20 [ 82.441015][ T7752] ? __kasan_check_write+0x14/0x20 [ 82.446126][ T7752] ? _copy_from_user+0xd6/0x110 [ 82.450990][ T7752] __x64_sys_mount+0x169/0x1c0 [ 82.455737][ T7752] do_syscall_64+0xd0/0x630 [ 82.460246][ T7752] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.466117][ T7752] RIP: 0033:0x458da9 [ 82.469988][ T7752] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.489574][ T7752] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.497969][ T7752] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 82.505930][ T7752] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.513971][ T7752] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.521923][ T7752] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 82.529875][ T7752] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.544733][ T7767] CPU: 0 PID: 7767 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 82.553349][ T7767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.555368][ T7779] FAULT_INJECTION: forcing a failure. [ 82.555368][ T7779] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.563506][ T7767] Call Trace: [ 82.579962][ T7767] dump_stack+0x12d/0x187 [ 82.584289][ T7767] should_fail.cold.4+0x5/0x13 [ 82.589036][ T7767] ? fault_create_debugfs_attr+0x150/0x150 [ 82.594823][ T7767] ? ___might_sleep+0x16b/0x2b0 [ 82.599656][ T7767] __should_failslab+0xba/0xf0 [ 82.604398][ T7767] should_failslab+0x9/0x14 [ 82.608911][ T7767] __kmalloc+0x2eb/0x790 [ 82.613156][ T7767] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 82.618432][ T7767] ? kmem_cache_alloc+0x376/0x750 [ 82.623444][ T7767] p9_fcall_init.isra.2+0x55/0x1c0 [ 82.628537][ T7767] p9_client_prepare_req.part.5+0x96/0x670 [ 82.634333][ T7767] p9_client_rpc+0x174/0xe50 [ 82.638910][ T7767] ? p9_client_prepare_req.part.5+0x670/0x670 [ 82.644980][ T7767] ? p9_pollwait+0x182/0x210 [ 82.649555][ T7767] ? pipe_poll+0xc2/0x6b0 [ 82.653860][ T7767] ? ksys_dup3+0x2e0/0x2e0 [ 82.658256][ T7767] ? p9_fd_poll+0x19b/0x2a0 [ 82.662740][ T7767] ? p9_conn_create+0x399/0x4e0 [ 82.667719][ T7767] ? p9_conn_create+0x4e0/0x4e0 [ 82.672563][ T7767] p9_client_create+0x7ec/0x10e0 [ 82.677491][ T7767] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 82.683553][ T7767] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.689101][ T7767] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.695158][ T7767] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.700970][ T7767] ? __kmalloc_track_caller+0x60e/0x780 [ 82.706509][ T7767] ? __x64_sys_mount+0x169/0x1c0 [ 82.711432][ T7767] ? do_syscall_64+0xd0/0x630 [ 82.716098][ T7767] ? lockdep_init_map+0x1b6/0x6c0 [ 82.721130][ T7767] v9fs_session_init+0x1ed/0x14c0 [ 82.726245][ T7767] ? v9fs_session_init+0x1ed/0x14c0 [ 82.731441][ T7767] ? __lock_acquire+0x100f/0x4ef0 [ 82.736448][ T7767] ? find_held_lock+0x36/0x1d0 [ 82.741199][ T7767] ? v9fs_show_options+0x6c0/0x6c0 [ 82.746303][ T7767] ? __kasan_check_read+0x11/0x20 [ 82.751312][ T7767] ? v9fs_mount+0x55/0x7f0 [ 82.755768][ T7767] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.761326][ T7767] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.767480][ T7767] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.773289][ T7767] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.778840][ T7767] ? apparmor_task_alloc+0x2f0/0x2f0 [ 82.784110][ T7767] v9fs_mount+0x72/0x7f0 [ 82.788346][ T7767] ? v9fs_write_inode+0x50/0x50 [ 82.793190][ T7767] legacy_get_tree+0x103/0x1f0 [ 82.797957][ T7767] vfs_get_tree+0x8b/0x2d0 [ 82.802360][ T7767] ? capable+0x14/0x20 [ 82.806426][ T7767] do_mount+0x1270/0x1b60 [ 82.810860][ T7767] ? lock_downgrade+0x900/0x900 [ 82.815702][ T7767] ? copy_mount_string+0x20/0x20 [ 82.820629][ T7767] ? __kasan_check_write+0x14/0x20 [ 82.825727][ T7767] ? _copy_from_user+0xd6/0x110 [ 82.830579][ T7767] __x64_sys_mount+0x169/0x1c0 [ 82.835334][ T7767] do_syscall_64+0xd0/0x630 [ 82.839833][ T7767] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.845714][ T7767] RIP: 0033:0x458da9 [ 82.849586][ T7767] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.869177][ T7767] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.877588][ T7767] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 82.885649][ T7767] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.893608][ T7767] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.901565][ T7767] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 82.909517][ T7767] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.917502][ T7779] CPU: 1 PID: 7779 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 82.926083][ T7779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.936139][ T7779] Call Trace: [ 82.939423][ T7779] dump_stack+0x12d/0x187 [ 82.943753][ T7779] should_fail.cold.4+0x5/0x13 [ 82.945942][ T7783] FAULT_INJECTION: forcing a failure. [ 82.945942][ T7783] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.948527][ T7779] ? do_mount+0x1270/0x1b60 [ 82.966185][ T7779] ? fault_create_debugfs_attr+0x150/0x150 [ 82.971985][ T7779] ? find_held_lock+0x36/0x1d0 [ 82.976735][ T7779] should_fail_alloc_page+0x50/0x60 [ 82.981913][ T7779] __alloc_pages_nodemask+0x17f/0x890 [ 82.987303][ T7779] ? cache_grow_end+0xa8/0x190 [ 82.992054][ T7779] ? __alloc_pages_slowpath+0x2540/0x2540 [ 82.997751][ T7779] ? do_raw_spin_lock+0x132/0x2e0 [ 83.002779][ T7779] cache_grow_begin+0x92/0xca0 [ 83.007634][ T7779] ? __kmalloc+0xc5/0x790 [ 83.011976][ T7779] ? trace_hardirqs_off+0x41/0x1a0 [ 83.017076][ T7779] __kmalloc+0x6cd/0x790 [ 83.021305][ T7779] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 83.026570][ T7779] p9_fcall_init.isra.2+0x55/0x1c0 [ 83.031661][ T7779] p9_client_prepare_req.part.5+0x116/0x670 [ 83.037538][ T7779] p9_client_rpc+0x174/0xe50 [ 83.042224][ T7779] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.048280][ T7779] ? p9_pollwait+0x182/0x210 [ 83.052865][ T7779] ? pipe_poll+0xc2/0x6b0 [ 83.057191][ T7779] ? ksys_dup3+0x2e0/0x2e0 [ 83.061704][ T7779] ? p9_fd_poll+0x19b/0x2a0 [ 83.066195][ T7779] ? p9_conn_create+0x399/0x4e0 [ 83.071057][ T7779] ? p9_conn_create+0x4e0/0x4e0 [ 83.075900][ T7779] p9_client_create+0x7ec/0x10e0 [ 83.080826][ T7779] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.086869][ T7779] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.092407][ T7779] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.098452][ T7779] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.104247][ T7779] ? __kmalloc_track_caller+0x60e/0x780 [ 83.109772][ T7779] ? __x64_sys_mount+0x169/0x1c0 [ 83.114686][ T7779] ? do_syscall_64+0xd0/0x630 [ 83.119341][ T7779] ? lockdep_init_map+0x1b6/0x6c0 [ 83.124354][ T7779] v9fs_session_init+0x1ed/0x14c0 [ 83.129358][ T7779] ? v9fs_session_init+0x1ed/0x14c0 [ 83.134532][ T7779] ? __lock_acquire+0x100f/0x4ef0 [ 83.139537][ T7779] ? find_held_lock+0x36/0x1d0 [ 83.144286][ T7779] ? v9fs_show_options+0x6c0/0x6c0 [ 83.149372][ T7779] ? __kasan_check_read+0x11/0x20 [ 83.154375][ T7779] ? v9fs_mount+0x55/0x7f0 [ 83.158769][ T7779] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.164292][ T7779] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.170333][ T7779] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.176133][ T7779] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.181659][ T7779] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.186925][ T7779] v9fs_mount+0x72/0x7f0 [ 83.191159][ T7779] ? v9fs_write_inode+0x50/0x50 [ 83.195990][ T7779] legacy_get_tree+0x103/0x1f0 [ 83.200735][ T7779] vfs_get_tree+0x8b/0x2d0 [ 83.205127][ T7779] ? capable+0x14/0x20 [ 83.209180][ T7779] do_mount+0x1270/0x1b60 [ 83.213482][ T7779] ? lock_downgrade+0x900/0x900 [ 83.218313][ T7779] ? copy_mount_string+0x20/0x20 [ 83.223239][ T7779] ? __kasan_check_write+0x14/0x20 [ 83.228326][ T7779] ? _copy_from_user+0xd6/0x110 [ 83.233166][ T7779] __x64_sys_mount+0x169/0x1c0 [ 83.237924][ T7779] do_syscall_64+0xd0/0x630 [ 83.242408][ T7779] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.248282][ T7779] RIP: 0033:0x458da9 [ 83.252154][ T7779] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.271752][ T7779] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 83.280137][ T7779] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 83.288090][ T7779] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 83.296039][ T7779] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 83.304100][ T7779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 83.312062][ T7779] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 83.320047][ T7783] CPU: 0 PID: 7783 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 83.324222][ T7784] FAULT_INJECTION: forcing a failure. [ 83.324222][ T7784] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 83.328628][ T7783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.351860][ T7783] Call Trace: [ 83.355133][ T7783] dump_stack+0x12d/0x187 [ 83.359469][ T7783] should_fail.cold.4+0x5/0x13 [ 83.364208][ T7783] ? do_mount+0x1270/0x1b60 [ 83.368691][ T7783] ? fault_create_debugfs_attr+0x150/0x150 [ 83.374481][ T7783] ? find_held_lock+0x36/0x1d0 [ 83.379247][ T7783] should_fail_alloc_page+0x50/0x60 [ 83.384427][ T7783] __alloc_pages_nodemask+0x17f/0x890 [ 83.389809][ T7783] ? cache_grow_end+0xa8/0x190 [ 83.394728][ T7783] ? __alloc_pages_slowpath+0x2540/0x2540 [ 83.400425][ T7783] ? do_raw_spin_lock+0x132/0x2e0 [ 83.405449][ T7783] cache_grow_begin+0x92/0xca0 [ 83.410191][ T7783] ? __kmalloc+0xc5/0x790 [ 83.414501][ T7783] ? trace_hardirqs_off+0x41/0x1a0 [ 83.419593][ T7783] __kmalloc+0x6cd/0x790 [ 83.423820][ T7783] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 83.429095][ T7783] p9_fcall_init.isra.2+0x55/0x1c0 [ 83.434195][ T7783] p9_client_prepare_req.part.5+0x116/0x670 [ 83.440073][ T7783] p9_client_rpc+0x174/0xe50 [ 83.444664][ T7783] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.450745][ T7783] ? p9_pollwait+0x182/0x210 [ 83.455321][ T7783] ? pipe_poll+0xc2/0x6b0 [ 83.459639][ T7783] ? ksys_dup3+0x2e0/0x2e0 [ 83.464042][ T7783] ? p9_fd_poll+0x19b/0x2a0 [ 83.468525][ T7783] ? p9_conn_create+0x399/0x4e0 [ 83.473360][ T7783] ? p9_conn_create+0x4e0/0x4e0 [ 83.478208][ T7783] p9_client_create+0x7ec/0x10e0 [ 83.483146][ T7783] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.489194][ T7783] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.494716][ T7783] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.500758][ T7783] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.506543][ T7783] ? __kmalloc_track_caller+0x60e/0x780 [ 83.512065][ T7783] ? __x64_sys_mount+0x169/0x1c0 [ 83.517016][ T7783] ? do_syscall_64+0xd0/0x630 [ 83.521681][ T7783] ? lockdep_init_map+0x1b6/0x6c0 [ 83.526719][ T7783] v9fs_session_init+0x1ed/0x14c0 [ 83.531726][ T7783] ? v9fs_session_init+0x1ed/0x14c0 [ 83.536897][ T7783] ? __lock_acquire+0x100f/0x4ef0 [ 83.541897][ T7783] ? find_held_lock+0x36/0x1d0 [ 83.546665][ T7783] ? v9fs_show_options+0x6c0/0x6c0 [ 83.551771][ T7783] ? __kasan_check_read+0x11/0x20 [ 83.556779][ T7783] ? v9fs_mount+0x55/0x7f0 [ 83.561176][ T7783] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.566719][ T7783] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.572764][ T7783] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.578557][ T7783] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.584086][ T7783] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.589354][ T7783] v9fs_mount+0x72/0x7f0 [ 83.593581][ T7783] ? v9fs_write_inode+0x50/0x50 [ 83.598430][ T7783] legacy_get_tree+0x103/0x1f0 [ 83.603176][ T7783] vfs_get_tree+0x8b/0x2d0 [ 83.607564][ T7783] ? capable+0x14/0x20 [ 83.611613][ T7783] do_mount+0x1270/0x1b60 [ 83.615921][ T7783] ? lock_downgrade+0x900/0x900 [ 83.620769][ T7783] ? copy_mount_string+0x20/0x20 [ 83.625715][ T7783] ? __kasan_check_write+0x14/0x20 [ 83.630812][ T7783] ? _copy_from_user+0xd6/0x110 [ 83.635679][ T7783] __x64_sys_mount+0x169/0x1c0 [ 83.640446][ T7783] do_syscall_64+0xd0/0x630 [ 83.644935][ T7783] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.650805][ T7783] RIP: 0033:0x458da9 [ 83.654681][ T7783] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.674350][ T7783] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 83.682762][ T7783] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 83.690728][ T7783] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 83.698680][ T7783] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 83.706631][ T7783] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 83.714584][ T7783] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 83.722561][ T7784] CPU: 1 PID: 7784 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 83.731153][ T7784] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.731488][ T7785] FAULT_INJECTION: forcing a failure. [ 83.731488][ T7785] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 83.741215][ T7784] Call Trace: [ 83.757679][ T7784] dump_stack+0x12d/0x187 [ 83.762009][ T7784] should_fail.cold.4+0x5/0x13 [ 83.766751][ T7784] ? do_mount+0x1270/0x1b60 [ 83.771232][ T7784] ? fault_create_debugfs_attr+0x150/0x150 [ 83.777019][ T7784] ? find_held_lock+0x36/0x1d0 [ 83.781765][ T7784] should_fail_alloc_page+0x50/0x60 [ 83.786944][ T7784] __alloc_pages_nodemask+0x17f/0x890 [ 83.792292][ T7784] ? cache_grow_end+0xa8/0x190 [ 83.797032][ T7784] ? __alloc_pages_slowpath+0x2540/0x2540 [ 83.802727][ T7784] ? do_raw_spin_lock+0x132/0x2e0 [ 83.807741][ T7784] cache_grow_begin+0x92/0xca0 [ 83.812479][ T7784] ? __kmalloc+0xc5/0x790 [ 83.816785][ T7784] ? trace_hardirqs_off+0x41/0x1a0 [ 83.821873][ T7784] __kmalloc+0x6cd/0x790 [ 83.826096][ T7784] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 83.831384][ T7784] p9_fcall_init.isra.2+0x55/0x1c0 [ 83.836475][ T7784] p9_client_prepare_req.part.5+0x116/0x670 [ 83.842375][ T7784] p9_client_rpc+0x174/0xe50 [ 83.846980][ T7784] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.853059][ T7784] ? p9_pollwait+0x182/0x210 [ 83.857637][ T7784] ? pipe_poll+0xc2/0x6b0 [ 83.861947][ T7784] ? ksys_dup3+0x2e0/0x2e0 [ 83.866343][ T7784] ? p9_fd_poll+0x19b/0x2a0 [ 83.870843][ T7784] ? p9_conn_create+0x399/0x4e0 [ 83.875674][ T7784] ? p9_conn_create+0x4e0/0x4e0 [ 83.880526][ T7784] p9_client_create+0x7ec/0x10e0 [ 83.885466][ T7784] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.891508][ T7784] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.897038][ T7784] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.903184][ T7784] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.908970][ T7784] ? __kmalloc_track_caller+0x60e/0x780 [ 83.914490][ T7784] ? __x64_sys_mount+0x169/0x1c0 [ 83.919398][ T7784] ? do_syscall_64+0xd0/0x630 [ 83.924048][ T7784] ? lockdep_init_map+0x1b6/0x6c0 [ 83.929054][ T7784] v9fs_session_init+0x1ed/0x14c0 [ 83.934049][ T7784] ? v9fs_session_init+0x1ed/0x14c0 [ 83.939221][ T7784] ? __lock_acquire+0x100f/0x4ef0 [ 83.944218][ T7784] ? find_held_lock+0x36/0x1d0 [ 83.948975][ T7784] ? v9fs_show_options+0x6c0/0x6c0 [ 83.954095][ T7784] ? __kasan_check_read+0x11/0x20 [ 83.959124][ T7784] ? v9fs_mount+0x55/0x7f0 [ 83.963518][ T7784] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.969036][ T7784] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.975074][ T7784] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.980878][ T7784] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.986406][ T7784] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.991680][ T7784] v9fs_mount+0x72/0x7f0 [ 83.995904][ T7784] ? v9fs_write_inode+0x50/0x50 [ 84.000731][ T7784] legacy_get_tree+0x103/0x1f0 [ 84.005476][ T7784] vfs_get_tree+0x8b/0x2d0 [ 84.009865][ T7784] ? capable+0x14/0x20 [ 84.013909][ T7784] do_mount+0x1270/0x1b60 [ 84.018209][ T7784] ? lock_downgrade+0x900/0x900 [ 84.023038][ T7784] ? copy_mount_string+0x20/0x20 [ 84.027958][ T7784] ? __kasan_check_write+0x14/0x20 [ 84.033042][ T7784] ? _copy_from_user+0xd6/0x110 [ 84.037875][ T7784] __x64_sys_mount+0x169/0x1c0 [ 84.042617][ T7784] do_syscall_64+0xd0/0x630 [ 84.047100][ T7784] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.052963][ T7784] RIP: 0033:0x458da9 [ 84.056831][ T7784] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.076409][ T7784] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.084788][ T7784] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 84.092738][ T7784] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.100684][ T7784] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.108627][ T7784] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 84.116583][ T7784] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.124566][ T7785] CPU: 0 PID: 7785 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 84.133143][ T7785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.143886][ T7785] Call Trace: [ 84.147167][ T7785] dump_stack+0x12d/0x187 [ 84.151596][ T7785] should_fail.cold.4+0x5/0x13 [ 84.156358][ T7785] ? kmem_cache_alloc+0x121/0x750 [ 84.161382][ T7785] ? fault_create_debugfs_attr+0x150/0x150 [ 84.167179][ T7785] ? vfs_get_tree+0x8b/0x2d0 [ 84.171757][ T7785] ? do_mount+0x1270/0x1b60 [ 84.176246][ T7785] ? __x64_sys_mount+0x169/0x1c0 [ 84.181174][ T7785] ? do_syscall_64+0xd0/0x630 [ 84.185844][ T7785] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.191913][ T7785] should_fail_alloc_page+0x50/0x60 [ 84.197110][ T7785] __alloc_pages_nodemask+0x17f/0x890 [ 84.202476][ T7785] ? __alloc_pages_slowpath+0x2540/0x2540 [ 84.208201][ T7785] cache_grow_begin+0x92/0xca0 [ 84.212957][ T7785] ? __kmalloc+0xc5/0x790 [ 84.217281][ T7785] ? trace_hardirqs_off+0x41/0x1a0 [ 84.222401][ T7785] __kmalloc+0x6cd/0x790 [ 84.226648][ T7785] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 84.231932][ T7785] p9_fcall_init.isra.2+0x55/0x1c0 [ 84.237042][ T7785] p9_client_prepare_req.part.5+0x96/0x670 [ 84.238877][ T7798] FAULT_INJECTION: forcing a failure. [ 84.238877][ T7798] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.242836][ T7785] p9_client_rpc+0x174/0xe50 [ 84.260564][ T7785] ? p9_client_prepare_req.part.5+0x670/0x670 [ 84.266609][ T7785] ? p9_pollwait+0x182/0x210 [ 84.271185][ T7785] ? pipe_poll+0xc2/0x6b0 [ 84.275486][ T7785] ? ksys_dup3+0x2e0/0x2e0 [ 84.279877][ T7785] ? p9_fd_poll+0x19b/0x2a0 [ 84.284356][ T7785] ? p9_conn_create+0x399/0x4e0 [ 84.289182][ T7785] ? p9_conn_create+0x4e0/0x4e0 [ 84.294013][ T7785] p9_client_create+0x7ec/0x10e0 [ 84.298942][ T7785] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 84.304990][ T7785] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.310508][ T7785] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.316543][ T7785] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.322326][ T7785] ? __kmalloc_track_caller+0x60e/0x780 [ 84.327841][ T7785] ? __x64_sys_mount+0x169/0x1c0 [ 84.332749][ T7785] ? do_syscall_64+0xd0/0x630 [ 84.337395][ T7785] ? lockdep_init_map+0x1b6/0x6c0 [ 84.342400][ T7785] v9fs_session_init+0x1ed/0x14c0 [ 84.347403][ T7785] ? v9fs_session_init+0x1ed/0x14c0 [ 84.352575][ T7785] ? __lock_acquire+0x100f/0x4ef0 [ 84.357576][ T7785] ? find_held_lock+0x36/0x1d0 [ 84.362319][ T7785] ? v9fs_show_options+0x6c0/0x6c0 [ 84.367401][ T7785] ? __kasan_check_read+0x11/0x20 [ 84.372399][ T7785] ? v9fs_mount+0x55/0x7f0 [ 84.376790][ T7785] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.382308][ T7785] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.388342][ T7785] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.394125][ T7785] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.399646][ T7785] ? apparmor_task_alloc+0x2f0/0x2f0 [ 84.404924][ T7785] v9fs_mount+0x72/0x7f0 [ 84.409184][ T7785] ? v9fs_write_inode+0x50/0x50 [ 84.414027][ T7785] legacy_get_tree+0x103/0x1f0 [ 84.418806][ T7785] vfs_get_tree+0x8b/0x2d0 [ 84.423200][ T7785] ? capable+0x14/0x20 [ 84.427252][ T7785] do_mount+0x1270/0x1b60 [ 84.431556][ T7785] ? lock_downgrade+0x900/0x900 [ 84.436392][ T7785] ? copy_mount_string+0x20/0x20 [ 84.441318][ T7785] ? __kasan_check_write+0x14/0x20 [ 84.446408][ T7785] ? _copy_from_user+0xd6/0x110 [ 84.451260][ T7785] __x64_sys_mount+0x169/0x1c0 [ 84.456009][ T7785] do_syscall_64+0xd0/0x630 [ 84.460495][ T7785] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.466369][ T7785] RIP: 0033:0x458da9 [ 84.470243][ T7785] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.489832][ T7785] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.498230][ T7785] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 84.506179][ T7785] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.514154][ T7785] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.522112][ T7785] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 84.530062][ T7785] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.538035][ T7798] CPU: 1 PID: 7798 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 84.546616][ T7798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.556668][ T7798] Call Trace: [ 84.559955][ T7798] dump_stack+0x12d/0x187 [ 84.564301][ T7798] should_fail.cold.4+0x5/0x13 [ 84.567671][ T7797] FAULT_INJECTION: forcing a failure. [ 84.567671][ T7797] name failslab, interval 1, probability 0, space 0, times 0 [ 84.569059][ T7798] ? do_mount+0x1270/0x1b60 [ 84.586127][ T7798] ? fault_create_debugfs_attr+0x150/0x150 [ 84.591935][ T7798] ? find_held_lock+0x36/0x1d0 [ 84.596678][ T7798] should_fail_alloc_page+0x50/0x60 [ 84.600394][ T7792] FAULT_INJECTION: forcing a failure. [ 84.600394][ T7792] name failslab, interval 1, probability 0, space 0, times 0 [ 84.601850][ T7798] __alloc_pages_nodemask+0x17f/0x890 [ 84.601858][ T7798] ? cache_grow_end+0xa8/0x190 [ 84.601867][ T7798] ? __alloc_pages_slowpath+0x2540/0x2540 [ 84.601872][ T7798] ? do_raw_spin_lock+0x132/0x2e0 [ 84.601892][ T7798] cache_grow_begin+0x92/0xca0 [ 84.641868][ T7798] ? __kmalloc+0xc5/0x790 [ 84.646178][ T7798] ? trace_hardirqs_off+0x41/0x1a0 [ 84.651270][ T7798] __kmalloc+0x6cd/0x790 [ 84.655501][ T7798] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 84.660765][ T7798] p9_fcall_init.isra.2+0x55/0x1c0 [ 84.665865][ T7798] p9_client_prepare_req.part.5+0x116/0x670 [ 84.671086][ T7794] FAULT_INJECTION: forcing a failure. [ 84.671086][ T7794] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.671741][ T7798] p9_client_rpc+0x174/0xe50 [ 84.689503][ T7798] ? p9_client_prepare_req.part.5+0x670/0x670 [ 84.695557][ T7798] ? p9_pollwait+0x182/0x210 [ 84.700124][ T7798] ? pipe_poll+0xc2/0x6b0 [ 84.704443][ T7798] ? ksys_dup3+0x2e0/0x2e0 [ 84.708846][ T7798] ? p9_fd_poll+0x19b/0x2a0 [ 84.713333][ T7798] ? p9_conn_create+0x399/0x4e0 [ 84.718166][ T7798] ? p9_conn_create+0x4e0/0x4e0 [ 84.723006][ T7798] p9_client_create+0x7ec/0x10e0 [ 84.727934][ T7798] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 84.733987][ T7798] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.739509][ T7798] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.745643][ T7798] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.751446][ T7798] ? __kmalloc_track_caller+0x60e/0x780 [ 84.756969][ T7798] ? __x64_sys_mount+0x169/0x1c0 [ 84.761880][ T7798] ? do_syscall_64+0xd0/0x630 [ 84.766527][ T7798] ? lockdep_init_map+0x1b6/0x6c0 [ 84.771534][ T7798] v9fs_session_init+0x1ed/0x14c0 [ 84.776533][ T7798] ? v9fs_session_init+0x1ed/0x14c0 [ 84.781708][ T7798] ? __lock_acquire+0x100f/0x4ef0 [ 84.786714][ T7798] ? find_held_lock+0x36/0x1d0 [ 84.791462][ T7798] ? v9fs_show_options+0x6c0/0x6c0 [ 84.796549][ T7798] ? __kasan_check_read+0x11/0x20 [ 84.801550][ T7798] ? v9fs_mount+0x55/0x7f0 [ 84.805968][ T7798] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.811507][ T7798] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.817560][ T7798] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.824054][ T7798] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.829593][ T7798] ? apparmor_task_alloc+0x2f0/0x2f0 [ 84.834864][ T7798] v9fs_mount+0x72/0x7f0 [ 84.839099][ T7798] ? v9fs_write_inode+0x50/0x50 [ 84.843942][ T7798] legacy_get_tree+0x103/0x1f0 [ 84.848687][ T7798] vfs_get_tree+0x8b/0x2d0 [ 84.853081][ T7798] ? capable+0x14/0x20 [ 84.857215][ T7798] do_mount+0x1270/0x1b60 [ 84.861520][ T7798] ? lock_downgrade+0x900/0x900 [ 84.866353][ T7798] ? copy_mount_string+0x20/0x20 [ 84.871278][ T7798] ? __kasan_check_write+0x14/0x20 [ 84.876364][ T7798] ? _copy_from_user+0xd6/0x110 [ 84.881198][ T7798] __x64_sys_mount+0x169/0x1c0 [ 84.885942][ T7798] do_syscall_64+0xd0/0x630 [ 84.890425][ T7798] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.896288][ T7798] RIP: 0033:0x458da9 [ 84.901111][ T7798] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.920702][ T7798] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.929109][ T7798] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 84.937064][ T7798] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.945013][ T7798] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.952974][ T7798] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 84.960934][ T7798] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.968908][ T7794] CPU: 0 PID: 7794 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 84.977490][ T7794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.987536][ T7794] Call Trace: [ 84.990804][ T7794] dump_stack+0x12d/0x187 [ 84.995110][ T7794] should_fail.cold.4+0x5/0x13 [ 84.999862][ T7794] ? kmem_cache_alloc+0x121/0x750 [ 85.004858][ T7794] ? fault_create_debugfs_attr+0x150/0x150 [ 85.010636][ T7794] ? vfs_get_tree+0x8b/0x2d0 [ 85.015194][ T7794] ? do_mount+0x1270/0x1b60 [ 85.019668][ T7794] ? __x64_sys_mount+0x169/0x1c0 [ 85.024696][ T7794] ? do_syscall_64+0xd0/0x630 [ 85.029353][ T7794] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.035406][ T7794] should_fail_alloc_page+0x50/0x60 [ 85.040581][ T7794] __alloc_pages_nodemask+0x17f/0x890 [ 85.045937][ T7794] ? __alloc_pages_slowpath+0x2540/0x2540 [ 85.051641][ T7794] cache_grow_begin+0x92/0xca0 [ 85.056377][ T7794] ? __kmalloc+0xc5/0x790 [ 85.060682][ T7794] ? trace_hardirqs_off+0x41/0x1a0 [ 85.065769][ T7794] __kmalloc+0x6cd/0x790 [ 85.069990][ T7794] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 85.075256][ T7794] p9_fcall_init.isra.2+0x55/0x1c0 [ 85.080354][ T7794] p9_client_prepare_req.part.5+0x96/0x670 [ 85.086138][ T7794] p9_client_rpc+0x174/0xe50 [ 85.090708][ T7794] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.096748][ T7794] ? p9_pollwait+0x182/0x210 [ 85.101315][ T7794] ? pipe_poll+0xc2/0x6b0 [ 85.105615][ T7794] ? ksys_dup3+0x2e0/0x2e0 [ 85.110015][ T7794] ? p9_fd_poll+0x19b/0x2a0 [ 85.114511][ T7794] ? p9_conn_create+0x399/0x4e0 [ 85.119345][ T7794] ? p9_conn_create+0x4e0/0x4e0 [ 85.124174][ T7794] p9_client_create+0x7ec/0x10e0 [ 85.129090][ T7794] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.135130][ T7794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.140646][ T7794] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.146680][ T7794] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.152460][ T7794] ? __kmalloc_track_caller+0x60e/0x780 [ 85.157989][ T7794] ? __x64_sys_mount+0x169/0x1c0 [ 85.162900][ T7794] ? do_syscall_64+0xd0/0x630 [ 85.167549][ T7794] ? lockdep_init_map+0x1b6/0x6c0 [ 85.172557][ T7794] v9fs_session_init+0x1ed/0x14c0 [ 85.177551][ T7794] ? v9fs_session_init+0x1ed/0x14c0 [ 85.182735][ T7794] ? __lock_acquire+0x100f/0x4ef0 [ 85.187754][ T7794] ? find_held_lock+0x36/0x1d0 [ 85.192510][ T7794] ? v9fs_show_options+0x6c0/0x6c0 [ 85.197604][ T7794] ? __kasan_check_read+0x11/0x20 [ 85.202607][ T7794] ? v9fs_mount+0x55/0x7f0 [ 85.207016][ T7794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.212536][ T7794] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.218575][ T7794] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.224364][ T7794] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.229918][ T7794] ? apparmor_task_alloc+0x2f0/0x2f0 [ 85.235196][ T7794] v9fs_mount+0x72/0x7f0 [ 85.239418][ T7794] ? v9fs_write_inode+0x50/0x50 [ 85.244252][ T7794] legacy_get_tree+0x103/0x1f0 [ 85.249002][ T7794] vfs_get_tree+0x8b/0x2d0 [ 85.253406][ T7794] ? capable+0x14/0x20 [ 85.257460][ T7794] do_mount+0x1270/0x1b60 [ 85.261766][ T7794] ? lock_downgrade+0x900/0x900 [ 85.266594][ T7794] ? copy_mount_string+0x20/0x20 [ 85.271514][ T7794] ? __kasan_check_write+0x14/0x20 [ 85.276596][ T7794] ? _copy_from_user+0xd6/0x110 [ 85.281437][ T7794] __x64_sys_mount+0x169/0x1c0 [ 85.286175][ T7794] do_syscall_64+0xd0/0x630 [ 85.290666][ T7794] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.296530][ T7794] RIP: 0033:0x458da9 [ 85.300398][ T7794] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.319983][ T7794] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.328367][ T7794] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 85.336310][ T7794] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 85.344258][ T7794] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 85.352202][ T7794] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 2020/03/22 08:54:02 executed programs: 68 [ 85.360146][ T7794] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 85.374454][ T7792] CPU: 0 PID: 7792 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 85.383066][ T7792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.393113][ T7792] Call Trace: [ 85.396386][ T7792] dump_stack+0x12d/0x187 [ 85.400707][ T7792] should_fail.cold.4+0x5/0x13 [ 85.403021][ T7808] FAULT_INJECTION: forcing a failure. [ 85.403021][ T7808] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.405479][ T7792] ? fault_create_debugfs_attr+0x150/0x150 [ 85.424592][ T7792] ? ___might_sleep+0x16b/0x2b0 [ 85.429425][ T7792] __should_failslab+0xba/0xf0 [ 85.434177][ T7792] should_failslab+0x9/0x14 [ 85.438654][ T7792] __kmalloc+0x2eb/0x790 [ 85.442874][ T7792] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 85.448136][ T7792] p9_fcall_init.isra.2+0x55/0x1c0 [ 85.453224][ T7792] p9_client_prepare_req.part.5+0x116/0x670 [ 85.459109][ T7792] p9_client_rpc+0x174/0xe50 [ 85.463687][ T7792] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.469732][ T7792] ? p9_pollwait+0x182/0x210 [ 85.474298][ T7792] ? pipe_poll+0xc2/0x6b0 [ 85.478601][ T7792] ? ksys_dup3+0x2e0/0x2e0 [ 85.482995][ T7792] ? p9_fd_poll+0x19b/0x2a0 [ 85.487504][ T7792] ? p9_conn_create+0x399/0x4e0 [ 85.492340][ T7792] ? p9_conn_create+0x4e0/0x4e0 [ 85.497196][ T7792] p9_client_create+0x7ec/0x10e0 [ 85.502122][ T7792] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.508164][ T7792] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.513697][ T7792] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.519758][ T7792] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.525645][ T7792] ? __kmalloc_track_caller+0x60e/0x780 [ 85.531178][ T7792] ? __x64_sys_mount+0x169/0x1c0 [ 85.536092][ T7792] ? do_syscall_64+0xd0/0x630 [ 85.540751][ T7792] ? lockdep_init_map+0x1b6/0x6c0 [ 85.545774][ T7792] v9fs_session_init+0x1ed/0x14c0 [ 85.550775][ T7792] ? v9fs_session_init+0x1ed/0x14c0 [ 85.555955][ T7792] ? cache_grow_end+0xa8/0x190 [ 85.560695][ T7792] ? lock_downgrade+0x900/0x900 [ 85.565524][ T7792] ? __kasan_check_write+0x14/0x20 [ 85.570608][ T7792] ? v9fs_show_options+0x6c0/0x6c0 [ 85.575700][ T7792] ? __kasan_check_read+0x11/0x20 [ 85.580726][ T7792] ? v9fs_mount+0x55/0x7f0 [ 85.585131][ T7792] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.590653][ T7792] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.596697][ T7792] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.602491][ T7792] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.608026][ T7792] v9fs_mount+0x72/0x7f0 [ 85.612254][ T7792] ? v9fs_write_inode+0x50/0x50 [ 85.617082][ T7792] legacy_get_tree+0x103/0x1f0 [ 85.621836][ T7792] vfs_get_tree+0x8b/0x2d0 [ 85.626229][ T7792] ? capable+0x14/0x20 [ 85.630277][ T7792] do_mount+0x1270/0x1b60 [ 85.634582][ T7792] ? lock_downgrade+0x900/0x900 [ 85.639420][ T7792] ? copy_mount_string+0x20/0x20 [ 85.644343][ T7792] ? __kasan_check_write+0x14/0x20 [ 85.649429][ T7792] ? _copy_from_user+0xd6/0x110 [ 85.654266][ T7792] __x64_sys_mount+0x169/0x1c0 [ 85.659011][ T7792] do_syscall_64+0xd0/0x630 [ 85.663491][ T7792] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.669443][ T7792] RIP: 0033:0x458da9 [ 85.673321][ T7792] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.693026][ T7792] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.701425][ T7792] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 85.709372][ T7792] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 85.717328][ T7792] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 85.725282][ T7792] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 85.733229][ T7792] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 85.741359][ T7808] CPU: 1 PID: 7808 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 85.749943][ T7808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.759999][ T7808] Call Trace: [ 85.764247][ T7808] dump_stack+0x12d/0x187 [ 85.768576][ T7808] should_fail.cold.4+0x5/0x13 [ 85.773329][ T7808] ? do_mount+0x1270/0x1b60 [ 85.777826][ T7808] ? fault_create_debugfs_attr+0x150/0x150 [ 85.783627][ T7808] ? find_held_lock+0x36/0x1d0 [ 85.788391][ T7808] should_fail_alloc_page+0x50/0x60 [ 85.793576][ T7808] __alloc_pages_nodemask+0x17f/0x890 [ 85.798939][ T7808] ? cache_grow_end+0xa8/0x190 [ 85.803701][ T7808] ? __alloc_pages_slowpath+0x2540/0x2540 [ 85.809403][ T7808] ? do_raw_spin_lock+0x132/0x2e0 [ 85.814433][ T7808] cache_grow_begin+0x92/0xca0 [ 85.819189][ T7808] ? __kmalloc+0xc5/0x790 [ 85.823513][ T7808] ? trace_hardirqs_off+0x41/0x1a0 [ 85.827114][ T7817] FAULT_INJECTION: forcing a failure. [ 85.827114][ T7817] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.828614][ T7808] __kmalloc+0x6cd/0x790 [ 85.846004][ T7808] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 85.851360][ T7808] p9_fcall_init.isra.2+0x55/0x1c0 [ 85.856456][ T7808] p9_client_prepare_req.part.5+0x116/0x670 [ 85.862334][ T7808] p9_client_rpc+0x174/0xe50 [ 85.866919][ T7808] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.872965][ T7808] ? p9_pollwait+0x182/0x210 [ 85.877548][ T7808] ? pipe_poll+0xc2/0x6b0 [ 85.881866][ T7808] ? ksys_dup3+0x2e0/0x2e0 [ 85.886267][ T7808] ? p9_fd_poll+0x19b/0x2a0 [ 85.891445][ T7808] ? p9_conn_create+0x399/0x4e0 [ 85.896292][ T7808] ? p9_conn_create+0x4e0/0x4e0 [ 85.901140][ T7808] p9_client_create+0x7ec/0x10e0 [ 85.906076][ T7808] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.912130][ T7808] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.917652][ T7808] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.923693][ T7808] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.929489][ T7808] ? __kmalloc_track_caller+0x60e/0x780 [ 85.935016][ T7808] ? __x64_sys_mount+0x169/0x1c0 [ 85.939928][ T7808] ? do_syscall_64+0xd0/0x630 [ 85.944580][ T7808] ? lockdep_init_map+0x1b6/0x6c0 [ 85.949588][ T7808] v9fs_session_init+0x1ed/0x14c0 [ 85.954584][ T7808] ? v9fs_session_init+0x1ed/0x14c0 [ 85.959753][ T7808] ? __lock_acquire+0x100f/0x4ef0 [ 85.964751][ T7808] ? find_held_lock+0x36/0x1d0 [ 85.969493][ T7808] ? v9fs_show_options+0x6c0/0x6c0 [ 85.974576][ T7808] ? __kasan_check_read+0x11/0x20 [ 85.979596][ T7808] ? v9fs_mount+0x55/0x7f0 [ 85.984012][ T7808] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.989553][ T7808] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.995598][ T7808] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.002323][ T7808] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.007851][ T7808] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.013115][ T7808] v9fs_mount+0x72/0x7f0 [ 86.017336][ T7808] ? v9fs_write_inode+0x50/0x50 [ 86.022161][ T7808] legacy_get_tree+0x103/0x1f0 [ 86.026901][ T7808] vfs_get_tree+0x8b/0x2d0 [ 86.031290][ T7808] ? capable+0x14/0x20 [ 86.035333][ T7808] do_mount+0x1270/0x1b60 [ 86.039637][ T7808] ? lock_downgrade+0x900/0x900 [ 86.044467][ T7808] ? copy_mount_string+0x20/0x20 [ 86.049386][ T7808] ? __kasan_check_write+0x14/0x20 [ 86.054479][ T7808] ? _copy_from_user+0xd6/0x110 [ 86.059313][ T7808] __x64_sys_mount+0x169/0x1c0 [ 86.064053][ T7808] do_syscall_64+0xd0/0x630 [ 86.068535][ T7808] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.074399][ T7808] RIP: 0033:0x458da9 [ 86.078266][ T7808] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.097841][ T7808] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.106224][ T7808] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 86.114167][ T7808] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.122123][ T7808] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.130078][ T7808] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 86.138039][ T7808] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.146018][ T7817] CPU: 0 PID: 7817 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 86.155551][ T7817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.166291][ T7817] Call Trace: [ 86.169572][ T7817] dump_stack+0x12d/0x187 [ 86.173904][ T7817] should_fail.cold.4+0x5/0x13 [ 86.178660][ T7817] ? do_mount+0x1270/0x1b60 [ 86.183144][ T7817] ? fault_create_debugfs_attr+0x150/0x150 [ 86.188943][ T7817] ? find_held_lock+0x36/0x1d0 [ 86.193698][ T7817] should_fail_alloc_page+0x50/0x60 [ 86.195812][ T7821] FAULT_INJECTION: forcing a failure. [ 86.195812][ T7821] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.198878][ T7817] __alloc_pages_nodemask+0x17f/0x890 [ 86.217504][ T7817] ? cache_grow_end+0xa8/0x190 [ 86.222245][ T7817] ? __alloc_pages_slowpath+0x2540/0x2540 [ 86.227939][ T7817] ? do_raw_spin_lock+0x132/0x2e0 [ 86.232949][ T7817] cache_grow_begin+0x92/0xca0 [ 86.237683][ T7817] ? __kmalloc+0xc5/0x790 [ 86.241994][ T7817] ? trace_hardirqs_off+0x41/0x1a0 [ 86.247080][ T7817] __kmalloc+0x6cd/0x790 [ 86.251300][ T7817] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 86.256558][ T7817] p9_fcall_init.isra.2+0x55/0x1c0 [ 86.261661][ T7817] p9_client_prepare_req.part.5+0x116/0x670 [ 86.267555][ T7817] p9_client_rpc+0x174/0xe50 [ 86.272145][ T7817] ? p9_client_prepare_req.part.5+0x670/0x670 [ 86.279157][ T7817] ? p9_pollwait+0x182/0x210 [ 86.283737][ T7817] ? pipe_poll+0xc2/0x6b0 [ 86.288054][ T7817] ? ksys_dup3+0x2e0/0x2e0 [ 86.292447][ T7817] ? p9_fd_poll+0x19b/0x2a0 [ 86.296941][ T7817] ? p9_conn_create+0x399/0x4e0 [ 86.301774][ T7817] ? p9_conn_create+0x4e0/0x4e0 [ 86.306609][ T7817] p9_client_create+0x7ec/0x10e0 [ 86.311655][ T7817] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 86.317713][ T7817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.323233][ T7817] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.329273][ T7817] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.335068][ T7817] ? __kmalloc_track_caller+0x60e/0x780 [ 86.340593][ T7817] ? __x64_sys_mount+0x169/0x1c0 [ 86.345508][ T7817] ? do_syscall_64+0xd0/0x630 [ 86.350157][ T7817] ? lockdep_init_map+0x1b6/0x6c0 [ 86.355165][ T7817] v9fs_session_init+0x1ed/0x14c0 [ 86.360159][ T7817] ? v9fs_session_init+0x1ed/0x14c0 [ 86.365336][ T7817] ? __lock_acquire+0x100f/0x4ef0 [ 86.370336][ T7817] ? find_held_lock+0x36/0x1d0 [ 86.375078][ T7817] ? v9fs_show_options+0x6c0/0x6c0 [ 86.380160][ T7817] ? __kasan_check_read+0x11/0x20 [ 86.385166][ T7817] ? v9fs_mount+0x55/0x7f0 [ 86.389558][ T7817] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.395075][ T7817] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.401114][ T7817] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.406896][ T7817] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.412421][ T7817] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.417685][ T7817] v9fs_mount+0x72/0x7f0 [ 86.421904][ T7817] ? v9fs_write_inode+0x50/0x50 [ 86.426728][ T7817] legacy_get_tree+0x103/0x1f0 [ 86.431467][ T7817] vfs_get_tree+0x8b/0x2d0 [ 86.435874][ T7817] ? capable+0x14/0x20 [ 86.439929][ T7817] do_mount+0x1270/0x1b60 [ 86.444230][ T7817] ? lock_downgrade+0x900/0x900 [ 86.449076][ T7817] ? copy_mount_string+0x20/0x20 [ 86.453994][ T7817] ? __kasan_check_write+0x14/0x20 [ 86.459086][ T7817] ? _copy_from_user+0xd6/0x110 [ 86.463924][ T7817] __x64_sys_mount+0x169/0x1c0 [ 86.468665][ T7817] do_syscall_64+0xd0/0x630 [ 86.473841][ T7817] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.479708][ T7817] RIP: 0033:0x458da9 [ 86.483577][ T7817] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.503163][ T7817] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.511558][ T7817] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 86.520465][ T7817] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.528422][ T7817] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.536368][ T7817] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 86.544314][ T7817] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.552295][ T7821] CPU: 1 PID: 7821 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 86.556698][ T7822] FAULT_INJECTION: forcing a failure. [ 86.556698][ T7822] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.560983][ T7821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.560991][ T7821] Call Trace: [ 86.587515][ T7821] dump_stack+0x12d/0x187 [ 86.591833][ T7821] should_fail.cold.4+0x5/0x13 [ 86.596568][ T7821] ? do_mount+0x1270/0x1b60 [ 86.601051][ T7821] ? fault_create_debugfs_attr+0x150/0x150 [ 86.606854][ T7821] ? find_held_lock+0x36/0x1d0 [ 86.611610][ T7821] should_fail_alloc_page+0x50/0x60 [ 86.616784][ T7821] __alloc_pages_nodemask+0x17f/0x890 [ 86.622134][ T7821] ? cache_grow_end+0xa8/0x190 [ 86.626874][ T7821] ? __alloc_pages_slowpath+0x2540/0x2540 [ 86.632569][ T7821] ? do_raw_spin_lock+0x132/0x2e0 [ 86.637589][ T7821] cache_grow_begin+0x92/0xca0 [ 86.642324][ T7821] ? __kmalloc+0xc5/0x790 [ 86.646660][ T7821] ? trace_hardirqs_off+0x41/0x1a0 [ 86.651767][ T7821] __kmalloc+0x6cd/0x790 [ 86.656003][ T7821] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 86.661270][ T7821] p9_fcall_init.isra.2+0x55/0x1c0 [ 86.666361][ T7821] p9_client_prepare_req.part.5+0x116/0x670 [ 86.672240][ T7821] p9_client_rpc+0x174/0xe50 [ 86.676826][ T7821] ? p9_client_prepare_req.part.5+0x670/0x670 [ 86.682896][ T7821] ? p9_pollwait+0x182/0x210 [ 86.687473][ T7821] ? pipe_poll+0xc2/0x6b0 [ 86.691785][ T7821] ? ksys_dup3+0x2e0/0x2e0 [ 86.696181][ T7821] ? p9_fd_poll+0x19b/0x2a0 [ 86.700660][ T7821] ? p9_conn_create+0x399/0x4e0 [ 86.705495][ T7821] ? p9_conn_create+0x4e0/0x4e0 [ 86.710329][ T7821] p9_client_create+0x7ec/0x10e0 [ 86.715260][ T7821] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 86.721301][ T7821] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.726820][ T7821] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.732859][ T7821] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.738657][ T7821] ? __kmalloc_track_caller+0x60e/0x780 [ 86.744193][ T7821] ? __x64_sys_mount+0x169/0x1c0 [ 86.749125][ T7821] ? do_syscall_64+0xd0/0x630 [ 86.753776][ T7821] ? lockdep_init_map+0x1b6/0x6c0 [ 86.758791][ T7821] v9fs_session_init+0x1ed/0x14c0 [ 86.763796][ T7821] ? v9fs_session_init+0x1ed/0x14c0 [ 86.768973][ T7821] ? __lock_acquire+0x100f/0x4ef0 [ 86.773973][ T7821] ? find_held_lock+0x36/0x1d0 [ 86.778718][ T7821] ? v9fs_show_options+0x6c0/0x6c0 [ 86.783802][ T7821] ? __kasan_check_read+0x11/0x20 [ 86.788817][ T7821] ? v9fs_mount+0x55/0x7f0 [ 86.793216][ T7821] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.798733][ T7821] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.804778][ T7821] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.810564][ T7821] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.816108][ T7821] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.821391][ T7821] v9fs_mount+0x72/0x7f0 [ 86.825628][ T7821] ? v9fs_write_inode+0x50/0x50 [ 86.830521][ T7821] legacy_get_tree+0x103/0x1f0 [ 86.835283][ T7821] vfs_get_tree+0x8b/0x2d0 [ 86.839685][ T7821] ? capable+0x14/0x20 [ 86.843756][ T7821] do_mount+0x1270/0x1b60 [ 86.848066][ T7821] ? lock_downgrade+0x900/0x900 [ 86.852912][ T7821] ? copy_mount_string+0x20/0x20 [ 86.857838][ T7821] ? __kasan_check_write+0x14/0x20 [ 86.862929][ T7821] ? _copy_from_user+0xd6/0x110 [ 86.867776][ T7821] __x64_sys_mount+0x169/0x1c0 [ 86.872522][ T7821] do_syscall_64+0xd0/0x630 [ 86.877021][ T7821] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.882915][ T7821] RIP: 0033:0x458da9 [ 86.886788][ T7821] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.906372][ T7821] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.914759][ T7821] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 86.922716][ T7821] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.930671][ T7821] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.938638][ T7821] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 86.946596][ T7821] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.954582][ T7822] CPU: 0 PID: 7822 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 86.961373][ T7824] FAULT_INJECTION: forcing a failure. [ 86.961373][ T7824] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.963163][ T7822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.986391][ T7822] Call Trace: [ 86.989754][ T7822] dump_stack+0x12d/0x187 [ 86.994067][ T7822] should_fail.cold.4+0x5/0x13 [ 86.998820][ T7822] ? do_mount+0x1270/0x1b60 [ 87.003299][ T7822] ? fault_create_debugfs_attr+0x150/0x150 [ 87.009083][ T7822] ? find_held_lock+0x36/0x1d0 [ 87.013837][ T7822] should_fail_alloc_page+0x50/0x60 [ 87.019007][ T7822] __alloc_pages_nodemask+0x17f/0x890 [ 87.024355][ T7822] ? cache_grow_end+0xa8/0x190 [ 87.029104][ T7822] ? __alloc_pages_slowpath+0x2540/0x2540 [ 87.034792][ T7822] ? do_raw_spin_lock+0x132/0x2e0 [ 87.039802][ T7822] cache_grow_begin+0x92/0xca0 [ 87.044537][ T7822] ? __kmalloc+0xc5/0x790 [ 87.048862][ T7822] ? trace_hardirqs_off+0x41/0x1a0 [ 87.053956][ T7822] __kmalloc+0x6cd/0x790 [ 87.058178][ T7822] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 87.063490][ T7822] p9_fcall_init.isra.2+0x55/0x1c0 [ 87.068595][ T7822] p9_client_prepare_req.part.5+0x116/0x670 [ 87.074477][ T7822] p9_client_rpc+0x174/0xe50 [ 87.079055][ T7822] ? p9_client_prepare_req.part.5+0x670/0x670 [ 87.085098][ T7822] ? p9_pollwait+0x182/0x210 [ 87.089961][ T7822] ? pipe_poll+0xc2/0x6b0 [ 87.094268][ T7822] ? ksys_dup3+0x2e0/0x2e0 [ 87.098665][ T7822] ? p9_fd_poll+0x19b/0x2a0 [ 87.103152][ T7822] ? p9_conn_create+0x399/0x4e0 [ 87.107983][ T7822] ? p9_conn_create+0x4e0/0x4e0 [ 87.112816][ T7822] p9_client_create+0x7ec/0x10e0 [ 87.117735][ T7822] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.123776][ T7822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.129293][ T7822] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.135340][ T7822] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.141130][ T7822] ? __kmalloc_track_caller+0x60e/0x780 [ 87.147603][ T7822] ? __x64_sys_mount+0x169/0x1c0 [ 87.152513][ T7822] ? do_syscall_64+0xd0/0x630 [ 87.157171][ T7822] ? lockdep_init_map+0x1b6/0x6c0 [ 87.162181][ T7822] v9fs_session_init+0x1ed/0x14c0 [ 87.167188][ T7822] ? v9fs_session_init+0x1ed/0x14c0 [ 87.172357][ T7822] ? __lock_acquire+0x100f/0x4ef0 [ 87.177360][ T7822] ? find_held_lock+0x36/0x1d0 [ 87.182106][ T7822] ? v9fs_show_options+0x6c0/0x6c0 [ 87.187201][ T7822] ? __kasan_check_read+0x11/0x20 [ 87.192210][ T7822] ? v9fs_mount+0x55/0x7f0 [ 87.196603][ T7822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.202139][ T7822] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.208190][ T7822] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.213983][ T7822] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.219512][ T7822] ? apparmor_task_alloc+0x2f0/0x2f0 [ 87.224793][ T7822] v9fs_mount+0x72/0x7f0 [ 87.229018][ T7822] ? v9fs_write_inode+0x50/0x50 [ 87.233847][ T7822] legacy_get_tree+0x103/0x1f0 [ 87.238592][ T7822] vfs_get_tree+0x8b/0x2d0 [ 87.242984][ T7822] ? capable+0x14/0x20 [ 87.247030][ T7822] do_mount+0x1270/0x1b60 [ 87.251342][ T7822] ? lock_downgrade+0x900/0x900 [ 87.256173][ T7822] ? copy_mount_string+0x20/0x20 [ 87.261108][ T7822] ? __kasan_check_write+0x14/0x20 [ 87.266200][ T7822] ? _copy_from_user+0xd6/0x110 [ 87.271041][ T7822] __x64_sys_mount+0x169/0x1c0 [ 87.275792][ T7822] do_syscall_64+0xd0/0x630 [ 87.280279][ T7822] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.286164][ T7822] RIP: 0033:0x458da9 [ 87.290035][ T7822] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.309620][ T7822] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.318019][ T7822] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 87.325965][ T7822] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 87.333912][ T7822] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 87.341860][ T7822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 87.349823][ T7822] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 87.357816][ T7824] CPU: 1 PID: 7824 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 87.366398][ T7824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.376447][ T7824] Call Trace: [ 87.379742][ T7824] dump_stack+0x12d/0x187 [ 87.384189][ T7824] should_fail.cold.4+0x5/0x13 [ 87.388957][ T7824] ? kmem_cache_alloc+0x121/0x750 [ 87.393981][ T7824] ? fault_create_debugfs_attr+0x150/0x150 [ 87.399781][ T7824] ? vfs_get_tree+0x8b/0x2d0 [ 87.404363][ T7824] ? do_mount+0x1270/0x1b60 [ 87.408857][ T7824] ? __x64_sys_mount+0x169/0x1c0 [ 87.414730][ T7824] ? do_syscall_64+0xd0/0x630 [ 87.419383][ T7824] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.421615][ T7829] FAULT_INJECTION: forcing a failure. [ 87.421615][ T7829] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.425438][ T7824] should_fail_alloc_page+0x50/0x60 [ 87.443774][ T7824] __alloc_pages_nodemask+0x17f/0x890 [ 87.449124][ T7824] ? __alloc_pages_slowpath+0x2540/0x2540 [ 87.454841][ T7824] cache_grow_begin+0x92/0xca0 [ 87.459587][ T7824] ? __kmalloc+0xc5/0x790 [ 87.463896][ T7824] ? trace_hardirqs_off+0x41/0x1a0 [ 87.468985][ T7824] __kmalloc+0x6cd/0x790 [ 87.473205][ T7824] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 87.478466][ T7824] p9_fcall_init.isra.2+0x55/0x1c0 [ 87.483575][ T7824] p9_client_prepare_req.part.5+0x96/0x670 [ 87.489362][ T7824] p9_client_rpc+0x174/0xe50 [ 87.493929][ T7824] ? p9_client_prepare_req.part.5+0x670/0x670 [ 87.499973][ T7824] ? p9_pollwait+0x182/0x210 [ 87.504568][ T7824] ? pipe_poll+0xc2/0x6b0 [ 87.508879][ T7824] ? ksys_dup3+0x2e0/0x2e0 [ 87.513280][ T7824] ? p9_fd_poll+0x19b/0x2a0 [ 87.517764][ T7824] ? p9_conn_create+0x399/0x4e0 [ 87.522597][ T7824] ? p9_conn_create+0x4e0/0x4e0 [ 87.527431][ T7824] p9_client_create+0x7ec/0x10e0 [ 87.532353][ T7824] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.538401][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.543919][ T7824] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.549965][ T7824] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.555752][ T7824] ? __kmalloc_track_caller+0x60e/0x780 [ 87.561269][ T7824] ? __x64_sys_mount+0x169/0x1c0 [ 87.566190][ T7824] ? do_syscall_64+0xd0/0x630 [ 87.570838][ T7824] ? lockdep_init_map+0x1b6/0x6c0 [ 87.575847][ T7824] v9fs_session_init+0x1ed/0x14c0 [ 87.580842][ T7824] ? v9fs_session_init+0x1ed/0x14c0 [ 87.586020][ T7824] ? cache_grow_end+0xa8/0x190 [ 87.590766][ T7824] ? lock_downgrade+0x900/0x900 [ 87.595588][ T7824] ? __kasan_check_write+0x14/0x20 [ 87.600686][ T7824] ? v9fs_show_options+0x6c0/0x6c0 [ 87.605778][ T7824] ? __kasan_check_read+0x11/0x20 [ 87.610781][ T7824] ? v9fs_mount+0x55/0x7f0 [ 87.615172][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.620819][ T7824] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.626877][ T7824] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.632687][ T7824] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.638223][ T7824] v9fs_mount+0x72/0x7f0 [ 87.642446][ T7824] ? v9fs_write_inode+0x50/0x50 [ 87.647299][ T7824] legacy_get_tree+0x103/0x1f0 [ 87.652068][ T7824] vfs_get_tree+0x8b/0x2d0 [ 87.656470][ T7824] ? capable+0x14/0x20 [ 87.660554][ T7824] do_mount+0x1270/0x1b60 [ 87.664868][ T7824] ? lock_downgrade+0x900/0x900 [ 87.669721][ T7824] ? copy_mount_string+0x20/0x20 [ 87.674661][ T7824] ? __kasan_check_write+0x14/0x20 [ 87.679756][ T7824] ? _copy_from_user+0xd6/0x110 [ 87.684602][ T7824] __x64_sys_mount+0x169/0x1c0 [ 87.689349][ T7824] do_syscall_64+0xd0/0x630 [ 87.693867][ T7824] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.699731][ T7824] RIP: 0033:0x458da9 [ 87.703600][ T7824] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.723293][ T7824] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.731701][ T7824] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 87.739664][ T7824] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 87.747612][ T7824] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 87.755559][ T7824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 87.763514][ T7824] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 87.771488][ T7829] CPU: 0 PID: 7829 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 87.780079][ T7829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.791078][ T7829] Call Trace: [ 87.794362][ T7829] dump_stack+0x12d/0x187 [ 87.798671][ T7829] should_fail.cold.4+0x5/0x13 [ 87.803543][ T7829] ? do_mount+0x1270/0x1b60 [ 87.808054][ T7829] ? fault_create_debugfs_attr+0x150/0x150 [ 87.813860][ T7829] ? find_held_lock+0x36/0x1d0 [ 87.818610][ T7829] should_fail_alloc_page+0x50/0x60 [ 87.823787][ T7829] __alloc_pages_nodemask+0x17f/0x890 [ 87.829137][ T7829] ? cache_grow_end+0xa8/0x190 [ 87.833875][ T7829] ? __alloc_pages_slowpath+0x2540/0x2540 [ 87.839577][ T7829] ? do_raw_spin_lock+0x132/0x2e0 [ 87.844598][ T7829] cache_grow_begin+0x92/0xca0 [ 87.849337][ T7829] ? __kmalloc+0xc5/0x790 [ 87.853652][ T7829] ? trace_hardirqs_off+0x41/0x1a0 [ 87.858736][ T7829] __kmalloc+0x6cd/0x790 [ 87.862965][ T7829] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 87.868236][ T7829] p9_fcall_init.isra.2+0x55/0x1c0 [ 87.873324][ T7829] p9_client_prepare_req.part.5+0x116/0x670 [ 87.879193][ T7829] p9_client_rpc+0x174/0xe50 [ 87.883764][ T7829] ? p9_client_prepare_req.part.5+0x670/0x670 [ 87.889807][ T7829] ? p9_pollwait+0x182/0x210 [ 87.894373][ T7829] ? pipe_poll+0xc2/0x6b0 [ 87.898674][ T7829] ? ksys_dup3+0x2e0/0x2e0 [ 87.903065][ T7829] ? p9_fd_poll+0x19b/0x2a0 [ 87.907553][ T7829] ? p9_conn_create+0x399/0x4e0 [ 87.912399][ T7829] ? p9_conn_create+0x4e0/0x4e0 [ 87.917318][ T7829] p9_client_create+0x7ec/0x10e0 [ 87.922252][ T7829] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.929254][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.934777][ T7829] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.940929][ T7829] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.946734][ T7829] ? __kmalloc_track_caller+0x60e/0x780 [ 87.952278][ T7829] ? __x64_sys_mount+0x169/0x1c0 [ 87.957195][ T7829] ? do_syscall_64+0xd0/0x630 [ 87.961850][ T7829] ? lockdep_init_map+0x1b6/0x6c0 [ 87.966865][ T7829] v9fs_session_init+0x1ed/0x14c0 [ 87.972819][ T7829] ? v9fs_session_init+0x1ed/0x14c0 [ 87.977998][ T7829] ? __lock_acquire+0x100f/0x4ef0 [ 87.983009][ T7829] ? find_held_lock+0x36/0x1d0 [ 87.987754][ T7829] ? v9fs_show_options+0x6c0/0x6c0 [ 87.992839][ T7829] ? __kasan_check_read+0x11/0x20 [ 87.997838][ T7829] ? v9fs_mount+0x55/0x7f0 [ 88.002239][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.007779][ T7829] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.013826][ T7829] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.019647][ T7829] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.025176][ T7829] ? apparmor_task_alloc+0x2f0/0x2f0 [ 88.030440][ T7829] v9fs_mount+0x72/0x7f0 [ 88.034750][ T7829] ? v9fs_write_inode+0x50/0x50 [ 88.039592][ T7829] legacy_get_tree+0x103/0x1f0 [ 88.044343][ T7829] vfs_get_tree+0x8b/0x2d0 [ 88.048811][ T7829] ? capable+0x14/0x20 [ 88.052890][ T7829] do_mount+0x1270/0x1b60 [ 88.057200][ T7829] ? lock_downgrade+0x900/0x900 [ 88.062041][ T7829] ? copy_mount_string+0x20/0x20 [ 88.066966][ T7829] ? __kasan_check_write+0x14/0x20 [ 88.072057][ T7829] ? _copy_from_user+0xd6/0x110 [ 88.076888][ T7829] __x64_sys_mount+0x169/0x1c0 [ 88.081630][ T7829] do_syscall_64+0xd0/0x630 [ 88.086110][ T7829] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.091974][ T7829] RIP: 0033:0x458da9 [ 88.095844][ T7829] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.115421][ T7829] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.123814][ T7829] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 88.131761][ T7829] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.139708][ T7829] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 88.147664][ T7829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 88.155630][ T7829] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.163607][ T7797] CPU: 1 PID: 7797 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 88.172191][ T7797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.174775][ T7832] FAULT_INJECTION: forcing a failure. [ 88.174775][ T7832] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 88.182242][ T7797] Call Trace: [ 88.198676][ T7797] dump_stack+0x12d/0x187 [ 88.202996][ T7797] should_fail.cold.4+0x5/0x13 [ 88.208516][ T7797] ? fault_create_debugfs_attr+0x150/0x150 [ 88.214309][ T7797] ? ___might_sleep+0x16b/0x2b0 [ 88.219138][ T7797] __should_failslab+0xba/0xf0 [ 88.223878][ T7797] should_failslab+0x9/0x14 [ 88.228351][ T7797] __kmalloc+0x2eb/0x790 [ 88.232570][ T7797] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 88.237840][ T7797] p9_fcall_init.isra.2+0x55/0x1c0 [ 88.242982][ T7797] p9_client_prepare_req.part.5+0x116/0x670 [ 88.248862][ T7797] p9_client_rpc+0x174/0xe50 [ 88.253429][ T7797] ? p9_client_prepare_req.part.5+0x670/0x670 [ 88.259469][ T7797] ? p9_pollwait+0x182/0x210 [ 88.264036][ T7797] ? pipe_poll+0xc2/0x6b0 [ 88.268344][ T7797] ? ksys_dup3+0x2e0/0x2e0 [ 88.272747][ T7797] ? p9_fd_poll+0x19b/0x2a0 [ 88.277229][ T7797] ? p9_conn_create+0x399/0x4e0 [ 88.282179][ T7797] ? p9_conn_create+0x4e0/0x4e0 [ 88.287039][ T7797] p9_client_create+0x7ec/0x10e0 [ 88.291980][ T7797] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 88.298027][ T7797] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.303664][ T7797] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.309716][ T7797] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.315513][ T7797] ? __kmalloc_track_caller+0x60e/0x780 [ 88.321042][ T7797] ? __x64_sys_mount+0x169/0x1c0 [ 88.325962][ T7797] ? do_syscall_64+0xd0/0x630 [ 88.330611][ T7797] ? lockdep_init_map+0x1b6/0x6c0 [ 88.335618][ T7797] v9fs_session_init+0x1ed/0x14c0 [ 88.340612][ T7797] ? v9fs_session_init+0x1ed/0x14c0 [ 88.345779][ T7797] ? __lock_acquire+0x100f/0x4ef0 [ 88.350777][ T7797] ? find_held_lock+0x36/0x1d0 [ 88.355534][ T7797] ? v9fs_show_options+0x6c0/0x6c0 [ 88.360618][ T7797] ? __kasan_check_read+0x11/0x20 [ 88.365620][ T7797] ? v9fs_mount+0x55/0x7f0 [ 88.370010][ T7797] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.375539][ T7797] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.381584][ T7797] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.387379][ T7797] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.392909][ T7797] ? apparmor_task_alloc+0x2f0/0x2f0 [ 88.398173][ T7797] v9fs_mount+0x72/0x7f0 [ 88.402401][ T7797] ? v9fs_write_inode+0x50/0x50 [ 88.407232][ T7797] legacy_get_tree+0x103/0x1f0 [ 88.411975][ T7797] vfs_get_tree+0x8b/0x2d0 [ 88.416371][ T7797] ? capable+0x14/0x20 [ 88.420434][ T7797] do_mount+0x1270/0x1b60 [ 88.424753][ T7797] ? lock_downgrade+0x900/0x900 [ 88.429729][ T7797] ? copy_mount_string+0x20/0x20 [ 88.434662][ T7797] ? __kasan_check_write+0x14/0x20 [ 88.439748][ T7797] ? _copy_from_user+0xd6/0x110 [ 88.444592][ T7797] __x64_sys_mount+0x169/0x1c0 [ 88.449444][ T7797] do_syscall_64+0xd0/0x630 [ 88.453926][ T7797] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.459807][ T7797] RIP: 0033:0x458da9 [ 88.463682][ T7797] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.483289][ T7797] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.491687][ T7797] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 88.499631][ T7797] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.507578][ T7797] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 88.515537][ T7797] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 88.523482][ T7797] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.531455][ T7832] CPU: 0 PID: 7832 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 88.540045][ T7832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.550101][ T7832] Call Trace: [ 88.553393][ T7832] dump_stack+0x12d/0x187 [ 88.557726][ T7832] should_fail.cold.4+0x5/0x13 [ 88.562488][ T7832] ? do_mount+0x1270/0x1b60 [ 88.566994][ T7832] ? fault_create_debugfs_attr+0x150/0x150 [ 88.572802][ T7832] ? find_held_lock+0x36/0x1d0 [ 88.575861][ T7838] FAULT_INJECTION: forcing a failure. [ 88.575861][ T7838] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 88.577563][ T7832] should_fail_alloc_page+0x50/0x60 [ 88.595906][ T7832] __alloc_pages_nodemask+0x17f/0x890 [ 88.601253][ T7832] ? cache_grow_end+0xa8/0x190 [ 88.605991][ T7832] ? __alloc_pages_slowpath+0x2540/0x2540 [ 88.611694][ T7832] ? do_raw_spin_lock+0x132/0x2e0 [ 88.616704][ T7832] cache_grow_begin+0x92/0xca0 [ 88.621438][ T7832] ? __kmalloc+0xc5/0x790 [ 88.625759][ T7832] ? trace_hardirqs_off+0x41/0x1a0 [ 88.630849][ T7832] __kmalloc+0x6cd/0x790 [ 88.635072][ T7832] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 88.640333][ T7832] p9_fcall_init.isra.2+0x55/0x1c0 [ 88.645420][ T7832] p9_client_prepare_req.part.5+0x116/0x670 [ 88.651292][ T7832] p9_client_rpc+0x174/0xe50 [ 88.655860][ T7832] ? p9_client_prepare_req.part.5+0x670/0x670 [ 88.661905][ T7832] ? p9_pollwait+0x182/0x210 [ 88.666491][ T7832] ? pipe_poll+0xc2/0x6b0 [ 88.670811][ T7832] ? ksys_dup3+0x2e0/0x2e0 [ 88.675226][ T7832] ? p9_fd_poll+0x19b/0x2a0 [ 88.679708][ T7832] ? p9_conn_create+0x399/0x4e0 [ 88.684548][ T7832] ? p9_conn_create+0x4e0/0x4e0 [ 88.690345][ T7832] ? p9_conn_create+0x4e0/0x4e0 [ 88.695187][ T7832] p9_client_create+0x7ec/0x10e0 [ 88.700135][ T7832] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 88.706183][ T7832] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.711717][ T7832] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.717767][ T7832] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.723581][ T7832] ? __kmalloc_track_caller+0x60e/0x780 [ 88.729122][ T7832] ? __x64_sys_mount+0x169/0x1c0 [ 88.734058][ T7832] ? do_syscall_64+0xd0/0x630 [ 88.738730][ T7832] ? lockdep_init_map+0x1b6/0x6c0 [ 88.743759][ T7832] v9fs_session_init+0x1ed/0x14c0 [ 88.748767][ T7832] ? v9fs_session_init+0x1ed/0x14c0 [ 88.753951][ T7832] ? __lock_acquire+0x100f/0x4ef0 [ 88.758954][ T7832] ? find_held_lock+0x36/0x1d0 [ 88.763709][ T7832] ? v9fs_show_options+0x6c0/0x6c0 [ 88.768794][ T7832] ? __kasan_check_read+0x11/0x20 [ 88.773815][ T7832] ? v9fs_mount+0x55/0x7f0 [ 88.778226][ T7832] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.783772][ T7832] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.789820][ T7832] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.795609][ T7832] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.801150][ T7832] ? apparmor_task_alloc+0x2f0/0x2f0 [ 88.806437][ T7832] v9fs_mount+0x72/0x7f0 [ 88.810689][ T7832] ? v9fs_write_inode+0x50/0x50 [ 88.815572][ T7832] legacy_get_tree+0x103/0x1f0 [ 88.820340][ T7832] vfs_get_tree+0x8b/0x2d0 [ 88.824740][ T7832] ? capable+0x14/0x20 [ 88.828797][ T7832] do_mount+0x1270/0x1b60 [ 88.833130][ T7832] ? lock_downgrade+0x900/0x900 [ 88.837983][ T7832] ? copy_mount_string+0x20/0x20 [ 88.842932][ T7832] ? __kasan_check_write+0x14/0x20 [ 88.848027][ T7832] ? _copy_from_user+0xd6/0x110 [ 88.852883][ T7832] __x64_sys_mount+0x169/0x1c0 [ 88.857666][ T7832] do_syscall_64+0xd0/0x630 [ 88.862169][ T7832] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.868071][ T7832] RIP: 0033:0x458da9 [ 88.871946][ T7832] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.891543][ T7832] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.899933][ T7832] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 88.907900][ T7832] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.915964][ T7832] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 88.923927][ T7832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 88.931901][ T7832] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.939892][ T7838] CPU: 1 PID: 7838 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 88.948482][ T7838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.958534][ T7838] Call Trace: [ 88.959849][ T7842] FAULT_INJECTION: forcing a failure. [ 88.959849][ T7842] name failslab, interval 1, probability 0, space 0, times 0 [ 88.961826][ T7838] dump_stack+0x12d/0x187 [ 88.961841][ T7838] should_fail.cold.4+0x5/0x13 [ 88.961848][ T7838] ? do_mount+0x1270/0x1b60 [ 88.961856][ T7838] ? fault_create_debugfs_attr+0x150/0x150 [ 88.961867][ T7838] ? find_held_lock+0x36/0x1d0 [ 88.961879][ T7838] should_fail_alloc_page+0x50/0x60 [ 88.961884][ T7838] __alloc_pages_nodemask+0x17f/0x890 [ 88.961893][ T7838] ? cache_grow_end+0xa8/0x190 [ 89.013820][ T7838] ? __alloc_pages_slowpath+0x2540/0x2540 [ 89.020495][ T7838] ? do_raw_spin_lock+0x132/0x2e0 [ 89.025532][ T7838] cache_grow_begin+0x92/0xca0 [ 89.030282][ T7838] ? __kmalloc+0xc5/0x790 [ 89.034619][ T7838] ? trace_hardirqs_off+0x41/0x1a0 [ 89.039724][ T7838] __kmalloc+0x6cd/0x790 [ 89.043971][ T7838] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 89.049262][ T7838] p9_fcall_init.isra.2+0x55/0x1c0 [ 89.054379][ T7838] p9_client_prepare_req.part.5+0x116/0x670 [ 89.059727][ T7847] FAULT_INJECTION: forcing a failure. [ 89.059727][ T7847] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.060269][ T7838] p9_client_rpc+0x174/0xe50 [ 89.078019][ T7838] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.084064][ T7838] ? p9_pollwait+0x182/0x210 [ 89.088631][ T7838] ? pipe_poll+0xc2/0x6b0 [ 89.092943][ T7838] ? ksys_dup3+0x2e0/0x2e0 [ 89.097343][ T7838] ? p9_fd_poll+0x19b/0x2a0 [ 89.101823][ T7838] ? p9_conn_create+0x399/0x4e0 [ 89.106653][ T7838] ? p9_conn_create+0x4e0/0x4e0 [ 89.111496][ T7838] p9_client_create+0x7ec/0x10e0 [ 89.116438][ T7838] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.122484][ T7838] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.128003][ T7838] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.134166][ T7838] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.139975][ T7838] ? __kmalloc_track_caller+0x60e/0x780 [ 89.145506][ T7838] ? __x64_sys_mount+0x169/0x1c0 [ 89.150445][ T7838] ? do_syscall_64+0xd0/0x630 [ 89.155124][ T7838] ? lockdep_init_map+0x1b6/0x6c0 [ 89.160150][ T7838] v9fs_session_init+0x1ed/0x14c0 [ 89.165183][ T7838] ? v9fs_session_init+0x1ed/0x14c0 [ 89.170364][ T7838] ? __lock_acquire+0x100f/0x4ef0 [ 89.175370][ T7838] ? find_held_lock+0x36/0x1d0 [ 89.180128][ T7838] ? v9fs_show_options+0x6c0/0x6c0 [ 89.185232][ T7838] ? __kasan_check_read+0x11/0x20 [ 89.190247][ T7838] ? v9fs_mount+0x55/0x7f0 [ 89.194664][ T7838] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.200190][ T7838] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.206228][ T7838] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.212026][ T7838] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.217570][ T7838] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.222861][ T7838] v9fs_mount+0x72/0x7f0 [ 89.227089][ T7838] ? v9fs_write_inode+0x50/0x50 [ 89.231937][ T7838] legacy_get_tree+0x103/0x1f0 [ 89.236717][ T7838] vfs_get_tree+0x8b/0x2d0 [ 89.241112][ T7838] ? capable+0x14/0x20 [ 89.245171][ T7838] do_mount+0x1270/0x1b60 [ 89.249474][ T7838] ? lock_downgrade+0x900/0x900 [ 89.254311][ T7838] ? copy_mount_string+0x20/0x20 [ 89.259235][ T7838] ? __kasan_check_write+0x14/0x20 [ 89.264321][ T7838] ? _copy_from_user+0xd6/0x110 [ 89.269157][ T7838] __x64_sys_mount+0x169/0x1c0 [ 89.273896][ T7838] do_syscall_64+0xd0/0x630 [ 89.278376][ T7838] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.284247][ T7838] RIP: 0033:0x458da9 [ 89.288123][ T7838] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.307740][ T7838] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.316122][ T7838] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 89.324068][ T7838] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 89.332022][ T7838] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 89.339964][ T7838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 89.347922][ T7838] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 89.355914][ T7847] CPU: 0 PID: 7847 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 89.364498][ T7847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.374575][ T7847] Call Trace: [ 89.377861][ T7847] dump_stack+0x12d/0x187 [ 89.382187][ T7847] should_fail.cold.4+0x5/0x13 [ 89.386931][ T7847] ? do_mount+0x1270/0x1b60 [ 89.391421][ T7847] ? fault_create_debugfs_attr+0x150/0x150 [ 89.397212][ T7847] ? find_held_lock+0x36/0x1d0 [ 89.401969][ T7847] should_fail_alloc_page+0x50/0x60 [ 89.407150][ T7847] __alloc_pages_nodemask+0x17f/0x890 [ 89.412507][ T7847] ? cache_grow_end+0xa8/0x190 [ 89.417254][ T7847] ? __alloc_pages_slowpath+0x2540/0x2540 [ 89.422954][ T7847] ? do_raw_spin_lock+0x132/0x2e0 [ 89.427976][ T7847] cache_grow_begin+0x92/0xca0 [ 89.432712][ T7847] ? __kmalloc+0xc5/0x790 [ 89.437018][ T7847] ? trace_hardirqs_off+0x41/0x1a0 [ 89.442116][ T7847] __kmalloc+0x6cd/0x790 [ 89.446347][ T7847] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 89.451609][ T7847] p9_fcall_init.isra.2+0x55/0x1c0 [ 89.456697][ T7847] p9_client_prepare_req.part.5+0x116/0x670 [ 89.462580][ T7847] p9_client_rpc+0x174/0xe50 [ 89.467162][ T7847] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.473212][ T7847] ? p9_pollwait+0x182/0x210 [ 89.477787][ T7847] ? pipe_poll+0xc2/0x6b0 [ 89.482093][ T7847] ? ksys_dup3+0x2e0/0x2e0 [ 89.486489][ T7847] ? p9_fd_poll+0x19b/0x2a0 [ 89.490982][ T7847] ? p9_conn_create+0x399/0x4e0 [ 89.495835][ T7847] ? p9_conn_create+0x4e0/0x4e0 [ 89.500687][ T7847] p9_client_create+0x7ec/0x10e0 [ 89.505632][ T7847] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.511688][ T7847] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.517214][ T7847] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.523266][ T7847] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.529766][ T7847] ? __kmalloc_track_caller+0x60e/0x780 [ 89.535294][ T7847] ? __x64_sys_mount+0x169/0x1c0 [ 89.540213][ T7847] ? do_syscall_64+0xd0/0x630 [ 89.544865][ T7847] ? lockdep_init_map+0x1b6/0x6c0 [ 89.549883][ T7847] v9fs_session_init+0x1ed/0x14c0 [ 89.554894][ T7847] ? v9fs_session_init+0x1ed/0x14c0 [ 89.560085][ T7847] ? __lock_acquire+0x100f/0x4ef0 [ 89.565101][ T7847] ? find_held_lock+0x36/0x1d0 [ 89.569848][ T7847] ? v9fs_show_options+0x6c0/0x6c0 [ 89.574945][ T7847] ? __kasan_check_read+0x11/0x20 [ 89.579961][ T7847] ? v9fs_mount+0x55/0x7f0 [ 89.584363][ T7847] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.589883][ T7847] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.595922][ T7847] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.601710][ T7847] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.607237][ T7847] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.612506][ T7847] v9fs_mount+0x72/0x7f0 [ 89.616728][ T7847] ? v9fs_write_inode+0x50/0x50 [ 89.621553][ T7847] legacy_get_tree+0x103/0x1f0 [ 89.626296][ T7847] vfs_get_tree+0x8b/0x2d0 [ 89.630696][ T7847] ? capable+0x14/0x20 [ 89.634743][ T7847] do_mount+0x1270/0x1b60 [ 89.639056][ T7847] ? lock_downgrade+0x900/0x900 [ 89.643885][ T7847] ? copy_mount_string+0x20/0x20 [ 89.648812][ T7847] ? __kasan_check_write+0x14/0x20 [ 89.653909][ T7847] ? _copy_from_user+0xd6/0x110 [ 89.658753][ T7847] __x64_sys_mount+0x169/0x1c0 [ 89.663508][ T7847] do_syscall_64+0xd0/0x630 [ 89.667993][ T7847] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.673874][ T7847] RIP: 0033:0x458da9 [ 89.677748][ T7847] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.697337][ T7847] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.705739][ T7847] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 89.713807][ T7847] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 89.721762][ T7847] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 89.729715][ T7847] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 89.737680][ T7847] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 89.745652][ T7842] CPU: 1 PID: 7842 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 89.754250][ T7842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.755781][ T7850] FAULT_INJECTION: forcing a failure. [ 89.755781][ T7850] name failslab, interval 1, probability 0, space 0, times 0 [ 89.764307][ T7842] Call Trace: [ 89.764324][ T7842] dump_stack+0x12d/0x187 [ 89.764339][ T7842] should_fail.cold.4+0x5/0x13 [ 89.764349][ T7842] ? fault_create_debugfs_attr+0x150/0x150 [ 89.764361][ T7842] ? ___might_sleep+0x16b/0x2b0 [ 89.764374][ T7842] __should_failslab+0xba/0xf0 [ 89.764383][ T7842] should_failslab+0x9/0x14 [ 89.764388][ T7842] __kmalloc+0x2eb/0x790 [ 89.764399][ T7842] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 89.764410][ T7842] p9_fcall_init.isra.2+0x55/0x1c0 [ 89.764420][ T7842] p9_client_prepare_req.part.5+0x116/0x670 [ 89.764435][ T7842] p9_client_rpc+0x174/0xe50 [ 89.764448][ T7842] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.841369][ T7842] ? p9_pollwait+0x182/0x210 [ 89.845960][ T7842] ? pipe_poll+0xc2/0x6b0 [ 89.850277][ T7842] ? ksys_dup3+0x2e0/0x2e0 [ 89.855380][ T7842] ? p9_fd_poll+0x19b/0x2a0 [ 89.859866][ T7842] ? p9_conn_create+0x399/0x4e0 [ 89.864697][ T7842] ? p9_conn_create+0x4e0/0x4e0 [ 89.869532][ T7842] p9_client_create+0x7ec/0x10e0 [ 89.874461][ T7842] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.880507][ T7842] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.886028][ T7842] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.892072][ T7842] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.897857][ T7842] ? __kmalloc_track_caller+0x60e/0x780 [ 89.903376][ T7842] ? __x64_sys_mount+0x169/0x1c0 [ 89.908306][ T7842] ? do_syscall_64+0xd0/0x630 [ 89.912960][ T7842] ? lockdep_init_map+0x1b6/0x6c0 [ 89.917967][ T7842] v9fs_session_init+0x1ed/0x14c0 [ 89.922967][ T7842] ? v9fs_session_init+0x1ed/0x14c0 [ 89.928139][ T7842] ? __lock_acquire+0x100f/0x4ef0 [ 89.933139][ T7842] ? find_held_lock+0x36/0x1d0 [ 89.937894][ T7842] ? v9fs_show_options+0x6c0/0x6c0 [ 89.942989][ T7842] ? __kasan_check_read+0x11/0x20 [ 89.948007][ T7842] ? v9fs_mount+0x55/0x7f0 [ 89.952408][ T7842] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.957931][ T7842] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.963980][ T7842] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.969774][ T7842] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.975307][ T7842] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.980573][ T7842] v9fs_mount+0x72/0x7f0 [ 89.984796][ T7842] ? v9fs_write_inode+0x50/0x50 [ 89.989621][ T7842] legacy_get_tree+0x103/0x1f0 [ 89.994380][ T7842] vfs_get_tree+0x8b/0x2d0 [ 89.998779][ T7842] ? capable+0x14/0x20 [ 90.002826][ T7842] do_mount+0x1270/0x1b60 [ 90.007131][ T7842] ? lock_downgrade+0x900/0x900 [ 90.011961][ T7842] ? copy_mount_string+0x20/0x20 [ 90.016885][ T7842] ? __kasan_check_write+0x14/0x20 [ 90.021972][ T7842] ? _copy_from_user+0xd6/0x110 [ 90.026804][ T7842] __x64_sys_mount+0x169/0x1c0 [ 90.031562][ T7842] do_syscall_64+0xd0/0x630 [ 90.036050][ T7842] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.041915][ T7842] RIP: 0033:0x458da9 [ 90.045783][ T7842] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.065369][ T7842] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.073768][ T7842] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 90.081734][ T7842] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.089685][ T7842] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 90.097635][ T7842] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 90.105590][ T7842] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.113565][ T7850] CPU: 0 PID: 7850 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 90.122151][ T7850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.130255][ T7853] FAULT_INJECTION: forcing a failure. [ 90.130255][ T7853] name failslab, interval 1, probability 0, space 0, times 0 [ 90.132193][ T7850] Call Trace: [ 90.132205][ T7850] dump_stack+0x12d/0x187 [ 90.132221][ T7850] should_fail.cold.4+0x5/0x13 [ 90.132232][ T7850] ? fault_create_debugfs_attr+0x150/0x150 [ 90.162914][ T7850] ? ___might_sleep+0x16b/0x2b0 [ 90.167751][ T7850] __should_failslab+0xba/0xf0 [ 90.172494][ T7850] should_failslab+0x9/0x14 [ 90.176982][ T7850] __kmalloc+0x2eb/0x790 [ 90.181225][ T7850] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 90.186512][ T7850] p9_fcall_init.isra.2+0x55/0x1c0 [ 90.191604][ T7850] p9_client_prepare_req.part.5+0x116/0x670 [ 90.197508][ T7850] p9_client_rpc+0x174/0xe50 [ 90.202085][ T7850] ? p9_client_prepare_req.part.5+0x670/0x670 [ 90.208133][ T7850] ? p9_pollwait+0x182/0x210 [ 90.212722][ T7850] ? pipe_poll+0xc2/0x6b0 [ 90.217028][ T7850] ? ksys_dup3+0x2e0/0x2e0 [ 90.221422][ T7850] ? p9_fd_poll+0x19b/0x2a0 [ 90.225904][ T7850] ? p9_conn_create+0x399/0x4e0 [ 90.230745][ T7850] ? p9_conn_create+0x4e0/0x4e0 [ 90.235581][ T7850] p9_client_create+0x7ec/0x10e0 [ 90.240506][ T7850] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 90.246548][ T7850] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.252074][ T7850] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.258112][ T7850] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.263898][ T7850] ? __kmalloc_track_caller+0x60e/0x780 [ 90.269418][ T7850] ? __x64_sys_mount+0x169/0x1c0 [ 90.274329][ T7850] ? do_syscall_64+0xd0/0x630 [ 90.279844][ T7850] ? lockdep_init_map+0x1b6/0x6c0 [ 90.284861][ T7850] v9fs_session_init+0x1ed/0x14c0 [ 90.289870][ T7850] ? v9fs_session_init+0x1ed/0x14c0 [ 90.295044][ T7850] ? __lock_acquire+0x100f/0x4ef0 [ 90.300065][ T7850] ? find_held_lock+0x36/0x1d0 [ 90.304833][ T7850] ? v9fs_show_options+0x6c0/0x6c0 [ 90.309940][ T7850] ? __kasan_check_read+0x11/0x20 [ 90.314950][ T7850] ? v9fs_mount+0x55/0x7f0 [ 90.319350][ T7850] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.324872][ T7850] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.330928][ T7850] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.336714][ T7850] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.342248][ T7850] ? apparmor_task_alloc+0x2f0/0x2f0 [ 90.347511][ T7850] v9fs_mount+0x72/0x7f0 [ 90.351740][ T7850] ? v9fs_write_inode+0x50/0x50 [ 90.356577][ T7850] legacy_get_tree+0x103/0x1f0 [ 90.361331][ T7850] vfs_get_tree+0x8b/0x2d0 [ 90.365729][ T7850] ? capable+0x14/0x20 [ 90.370730][ T7850] do_mount+0x1270/0x1b60 [ 90.375034][ T7850] ? lock_downgrade+0x900/0x900 [ 90.379875][ T7850] ? copy_mount_string+0x20/0x20 [ 90.384802][ T7850] ? __kasan_check_write+0x14/0x20 [ 90.389891][ T7850] ? _copy_from_user+0xd6/0x110 [ 90.394723][ T7850] __x64_sys_mount+0x169/0x1c0 [ 90.399465][ T7850] do_syscall_64+0xd0/0x630 [ 90.403960][ T7850] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.409824][ T7850] RIP: 0033:0x458da9 [ 90.413695][ T7850] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.434358][ T7850] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.442752][ T7850] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 90.450703][ T7850] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.458653][ T7850] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 90.466610][ T7850] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 90.474558][ T7850] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.482573][ T7853] CPU: 1 PID: 7853 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 90.485955][ T7855] FAULT_INJECTION: forcing a failure. [ 90.485955][ T7855] name failslab, interval 1, probability 0, space 0, times 0 [ 90.491155][ T7853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.491158][ T7853] Call Trace: [ 90.491171][ T7853] dump_stack+0x12d/0x187 [ 90.491186][ T7853] should_fail.cold.4+0x5/0x13 [ 90.491196][ T7853] ? fault_create_debugfs_attr+0x150/0x150 [ 90.491207][ T7853] ? ___might_sleep+0x16b/0x2b0 [ 90.491220][ T7853] __should_failslab+0xba/0xf0 [ 90.491230][ T7853] should_failslab+0x9/0x14 [ 90.491235][ T7853] __kmalloc+0x2eb/0x790 [ 90.491248][ T7853] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 90.491260][ T7853] p9_fcall_init.isra.2+0x55/0x1c0 [ 90.491271][ T7853] p9_client_prepare_req.part.5+0x116/0x670 [ 90.491286][ T7853] p9_client_rpc+0x174/0xe50 [ 90.491301][ T7853] ? p9_client_prepare_req.part.5+0x670/0x670 [ 90.491313][ T7853] ? p9_pollwait+0x182/0x210 [ 90.491326][ T7853] ? pipe_poll+0xc2/0x6b0 [ 90.491332][ T7853] ? ksys_dup3+0x2e0/0x2e0 [ 90.491341][ T7853] ? p9_fd_poll+0x19b/0x2a0 [ 90.545960][ T7859] FAULT_INJECTION: forcing a failure. [ 90.545960][ T7859] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.546095][ T7853] ? p9_conn_create+0x399/0x4e0 [ 90.613572][ T7853] ? p9_conn_create+0x4e0/0x4e0 [ 90.618414][ T7853] p9_client_create+0x7ec/0x10e0 [ 90.623339][ T7853] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 90.629382][ T7853] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.634901][ T7853] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.640942][ T7853] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.646739][ T7853] ? __kmalloc_track_caller+0x60e/0x780 [ 90.652259][ T7853] ? __x64_sys_mount+0x169/0x1c0 [ 90.657169][ T7853] ? do_syscall_64+0xd0/0x630 [ 90.661820][ T7853] ? lockdep_init_map+0x1b6/0x6c0 [ 90.666828][ T7853] v9fs_session_init+0x1ed/0x14c0 [ 90.671828][ T7853] ? v9fs_session_init+0x1ed/0x14c0 [ 90.677015][ T7853] ? find_held_lock+0x36/0x1d0 [ 90.681780][ T7853] ? v9fs_show_options+0x6c0/0x6c0 [ 90.686871][ T7853] ? __kasan_check_read+0x11/0x20 [ 90.691876][ T7853] ? v9fs_mount+0x55/0x7f0 [ 90.696273][ T7853] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.701794][ T7853] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.707835][ T7853] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.713618][ T7853] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.719139][ T7853] ? apparmor_task_alloc+0x2f0/0x2f0 [ 90.724400][ T7853] v9fs_mount+0x72/0x7f0 [ 90.728621][ T7853] ? v9fs_write_inode+0x50/0x50 [ 90.733459][ T7853] legacy_get_tree+0x103/0x1f0 [ 90.738315][ T7853] vfs_get_tree+0x8b/0x2d0 [ 90.742703][ T7853] ? capable+0x14/0x20 [ 90.746747][ T7853] do_mount+0x1270/0x1b60 [ 90.751045][ T7853] ? lock_downgrade+0x900/0x900 [ 90.755874][ T7853] ? copy_mount_string+0x20/0x20 [ 90.760804][ T7853] ? __kasan_check_write+0x14/0x20 [ 90.765887][ T7853] ? _copy_from_user+0xd6/0x110 [ 90.770725][ T7853] __x64_sys_mount+0x169/0x1c0 [ 90.775529][ T7853] do_syscall_64+0xd0/0x630 [ 90.780026][ T7853] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.785889][ T7853] RIP: 0033:0x458da9 [ 90.789759][ T7853] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.809377][ T7853] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.817782][ T7853] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 90.826696][ T7853] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 2020/03/22 08:54:08 executed programs: 80 [ 90.834672][ T7853] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 90.842659][ T7853] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 90.850642][ T7853] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.858626][ T7859] CPU: 0 PID: 7859 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 90.867325][ T7859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.877381][ T7859] Call Trace: [ 90.880668][ T7859] dump_stack+0x12d/0x187 [ 90.885006][ T7859] should_fail.cold.4+0x5/0x13 [ 90.889746][ T7859] ? kmem_cache_alloc+0x121/0x750 [ 90.894764][ T7859] ? fault_create_debugfs_attr+0x150/0x150 [ 90.900557][ T7859] ? vfs_get_tree+0x8b/0x2d0 [ 90.905125][ T7859] ? do_mount+0x1270/0x1b60 [ 90.909628][ T7859] ? __x64_sys_mount+0x169/0x1c0 [ 90.914660][ T7859] ? do_syscall_64+0xd0/0x630 [ 90.919318][ T7859] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.925385][ T7859] should_fail_alloc_page+0x50/0x60 [ 90.930565][ T7859] __alloc_pages_nodemask+0x17f/0x890 [ 90.935916][ T7859] ? __alloc_pages_slowpath+0x2540/0x2540 [ 90.941629][ T7859] cache_grow_begin+0x92/0xca0 [ 90.946367][ T7859] ? __kmalloc+0xc5/0x790 [ 90.950684][ T7859] ? trace_hardirqs_off+0x41/0x1a0 [ 90.955783][ T7859] __kmalloc+0x6cd/0x790 [ 90.960007][ T7859] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 90.965270][ T7859] p9_fcall_init.isra.2+0x55/0x1c0 [ 90.970358][ T7859] p9_client_prepare_req.part.5+0x96/0x670 [ 90.976838][ T7859] p9_client_rpc+0x174/0xe50 [ 90.981407][ T7859] ? p9_client_prepare_req.part.5+0x670/0x670 [ 90.987455][ T7859] ? p9_pollwait+0x182/0x210 [ 90.992034][ T7859] ? pipe_poll+0xc2/0x6b0 [ 90.996337][ T7859] ? ksys_dup3+0x2e0/0x2e0 [ 91.000728][ T7859] ? p9_fd_poll+0x19b/0x2a0 [ 91.005222][ T7859] ? p9_conn_create+0x399/0x4e0 [ 91.010068][ T7859] ? p9_conn_create+0x4e0/0x4e0 [ 91.014927][ T7859] p9_client_create+0x7ec/0x10e0 [ 91.019864][ T7859] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.025918][ T7859] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.031960][ T7859] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.038005][ T7859] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.043791][ T7859] ? __kmalloc_track_caller+0x60e/0x780 [ 91.049311][ T7859] ? __x64_sys_mount+0x169/0x1c0 [ 91.054234][ T7859] ? do_syscall_64+0xd0/0x630 [ 91.058886][ T7859] ? lockdep_init_map+0x1b6/0x6c0 [ 91.063893][ T7859] v9fs_session_init+0x1ed/0x14c0 [ 91.068889][ T7859] ? v9fs_session_init+0x1ed/0x14c0 [ 91.074063][ T7859] ? __lock_acquire+0x100f/0x4ef0 [ 91.079065][ T7859] ? find_held_lock+0x36/0x1d0 [ 91.083809][ T7859] ? v9fs_show_options+0x6c0/0x6c0 [ 91.088902][ T7859] ? __kasan_check_read+0x11/0x20 [ 91.093903][ T7859] ? v9fs_mount+0x55/0x7f0 [ 91.098294][ T7859] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.103813][ T7859] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.109855][ T7859] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.115648][ T7859] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.121180][ T7859] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.126453][ T7859] v9fs_mount+0x72/0x7f0 [ 91.130675][ T7859] ? v9fs_write_inode+0x50/0x50 [ 91.135515][ T7859] legacy_get_tree+0x103/0x1f0 [ 91.140273][ T7859] vfs_get_tree+0x8b/0x2d0 [ 91.144689][ T7859] ? capable+0x14/0x20 [ 91.148742][ T7859] do_mount+0x1270/0x1b60 [ 91.153060][ T7859] ? lock_downgrade+0x900/0x900 [ 91.157894][ T7859] ? copy_mount_string+0x20/0x20 [ 91.162836][ T7859] ? __kasan_check_write+0x14/0x20 [ 91.167926][ T7859] ? _copy_from_user+0xd6/0x110 [ 91.172759][ T7859] __x64_sys_mount+0x169/0x1c0 [ 91.177524][ T7859] do_syscall_64+0xd0/0x630 [ 91.182007][ T7859] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.187872][ T7859] RIP: 0033:0x458da9 [ 91.191744][ T7859] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.211340][ T7859] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.219730][ T7859] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 91.227677][ T7859] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 91.235624][ T7859] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 91.243574][ T7859] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 91.251521][ T7859] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 91.259513][ T7855] CPU: 1 PID: 7855 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 91.268114][ T7855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.278159][ T7855] Call Trace: [ 91.281429][ T7855] dump_stack+0x12d/0x187 [ 91.285752][ T7855] should_fail.cold.4+0x5/0x13 [ 91.290496][ T7855] ? fault_create_debugfs_attr+0x150/0x150 [ 91.296282][ T7855] ? ___might_sleep+0x16b/0x2b0 [ 91.301141][ T7855] __should_failslab+0xba/0xf0 [ 91.305887][ T7855] should_failslab+0x9/0x14 [ 91.310367][ T7855] __kmalloc+0x2eb/0x790 [ 91.314594][ T7855] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 91.319873][ T7855] p9_fcall_init.isra.2+0x55/0x1c0 [ 91.324962][ T7855] p9_client_prepare_req.part.5+0x116/0x670 [ 91.330921][ T7855] p9_client_rpc+0x174/0xe50 [ 91.335491][ T7855] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.341533][ T7855] ? p9_pollwait+0x182/0x210 [ 91.346116][ T7855] ? pipe_poll+0xc2/0x6b0 [ 91.350422][ T7855] ? ksys_dup3+0x2e0/0x2e0 [ 91.354815][ T7855] ? p9_fd_poll+0x19b/0x2a0 [ 91.359294][ T7855] ? p9_conn_create+0x399/0x4e0 [ 91.364146][ T7855] ? p9_conn_create+0x4e0/0x4e0 [ 91.368999][ T7855] p9_client_create+0x7ec/0x10e0 [ 91.373929][ T7855] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.379982][ T7855] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.385512][ T7855] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.391558][ T7855] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.397347][ T7855] ? __kmalloc_track_caller+0x60e/0x780 [ 91.402882][ T7855] ? __x64_sys_mount+0x169/0x1c0 [ 91.407797][ T7855] ? do_syscall_64+0xd0/0x630 [ 91.412472][ T7855] ? lockdep_init_map+0x1b6/0x6c0 [ 91.417500][ T7855] v9fs_session_init+0x1ed/0x14c0 [ 91.422520][ T7855] ? v9fs_session_init+0x1ed/0x14c0 [ 91.427708][ T7855] ? __lock_acquire+0x100f/0x4ef0 [ 91.432722][ T7855] ? find_held_lock+0x36/0x1d0 [ 91.437476][ T7855] ? v9fs_show_options+0x6c0/0x6c0 [ 91.442581][ T7855] ? __kasan_check_read+0x11/0x20 [ 91.447588][ T7855] ? v9fs_mount+0x55/0x7f0 [ 91.452070][ T7855] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.457590][ T7855] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.463629][ T7855] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.469413][ T7855] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.474949][ T7855] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.480220][ T7855] v9fs_mount+0x72/0x7f0 [ 91.484470][ T7855] ? v9fs_write_inode+0x50/0x50 [ 91.489315][ T7855] legacy_get_tree+0x103/0x1f0 [ 91.494062][ T7855] vfs_get_tree+0x8b/0x2d0 [ 91.498461][ T7855] ? capable+0x14/0x20 [ 91.502516][ T7855] do_mount+0x1270/0x1b60 [ 91.506842][ T7855] ? lock_downgrade+0x900/0x900 [ 91.511703][ T7855] ? copy_mount_string+0x20/0x20 [ 91.516643][ T7855] ? __kasan_check_write+0x14/0x20 [ 91.521744][ T7855] ? _copy_from_user+0xd6/0x110 [ 91.526583][ T7855] __x64_sys_mount+0x169/0x1c0 [ 91.531344][ T7855] do_syscall_64+0xd0/0x630 [ 91.535826][ T7855] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.541693][ T7855] RIP: 0033:0x458da9 [ 91.545561][ T7855] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.565150][ T7855] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.573533][ T7855] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 91.581489][ T7855] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 91.589436][ T7855] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 91.597387][ T7855] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 91.605334][ T7855] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 91.627233][ T7863] FAULT_INJECTION: forcing a failure. [ 91.627233][ T7863] name failslab, interval 1, probability 0, space 0, times 0 [ 91.636933][ T7866] FAULT_INJECTION: forcing a failure. [ 91.636933][ T7866] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 91.639853][ T7863] CPU: 1 PID: 7863 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 91.661598][ T7863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.671647][ T7863] Call Trace: [ 91.674927][ T7863] dump_stack+0x12d/0x187 [ 91.679240][ T7863] should_fail.cold.4+0x5/0x13 [ 91.683993][ T7863] ? stack_trace_save+0x82/0xb0 [ 91.688829][ T7863] ? fault_create_debugfs_attr+0x150/0x150 [ 91.694644][ T7863] __should_failslab+0xba/0xf0 [ 91.699393][ T7863] should_failslab+0x9/0x14 [ 91.703901][ T7863] kmem_cache_alloc+0x47/0x750 [ 91.708646][ T7863] ? __x64_sys_mount+0x169/0x1c0 [ 91.713560][ T7863] ? do_syscall_64+0xd0/0x630 [ 91.718221][ T7863] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 91.724609][ T7863] ? __kasan_check_read+0x11/0x20 [ 91.729611][ T7863] idr_get_free+0x35d/0x880 [ 91.734097][ T7863] ? __kasan_check_read+0x11/0x20 [ 91.739112][ T7863] idr_alloc_u32+0x13a/0x330 [ 91.743699][ T7863] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 91.749224][ T7863] ? mark_held_locks+0x130/0x130 [ 91.754142][ T7863] ? __kasan_check_write+0x14/0x20 [ 91.759227][ T7863] ? do_raw_spin_lock+0x132/0x2e0 [ 91.764228][ T7863] idr_alloc+0x7d/0xc0 [ 91.768275][ T7863] ? idr_alloc_u32+0x330/0x330 [ 91.773033][ T7863] p9_client_prepare_req.part.5+0x571/0x670 [ 91.778907][ T7863] p9_client_rpc+0x174/0xe50 [ 91.783481][ T7863] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.789526][ T7863] ? p9_pollwait+0x182/0x210 [ 91.794096][ T7863] ? pipe_poll+0xc2/0x6b0 [ 91.798398][ T7863] ? ksys_dup3+0x2e0/0x2e0 [ 91.802791][ T7863] ? p9_fd_poll+0x19b/0x2a0 [ 91.807285][ T7863] ? p9_conn_create+0x399/0x4e0 [ 91.812115][ T7863] ? p9_conn_create+0x4e0/0x4e0 [ 91.816952][ T7863] p9_client_create+0x7ec/0x10e0 [ 91.821887][ T7863] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.827931][ T7863] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.833452][ T7863] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.839490][ T7863] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.845276][ T7863] ? __kmalloc_track_caller+0x60e/0x780 [ 91.850796][ T7863] ? __x64_sys_mount+0x169/0x1c0 [ 91.855720][ T7863] ? do_syscall_64+0xd0/0x630 [ 91.860368][ T7863] ? lockdep_init_map+0x1b6/0x6c0 [ 91.865377][ T7863] v9fs_session_init+0x1ed/0x14c0 [ 91.870375][ T7863] ? v9fs_session_init+0x1ed/0x14c0 [ 91.875544][ T7863] ? __lock_acquire+0x100f/0x4ef0 [ 91.880544][ T7863] ? find_held_lock+0x36/0x1d0 [ 91.885292][ T7863] ? v9fs_show_options+0x6c0/0x6c0 [ 91.890375][ T7863] ? __kasan_check_read+0x11/0x20 [ 91.895385][ T7863] ? v9fs_mount+0x55/0x7f0 [ 91.899797][ T7863] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.905340][ T7863] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.911402][ T7863] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.917198][ T7863] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.922727][ T7863] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.927998][ T7863] v9fs_mount+0x72/0x7f0 [ 91.932240][ T7863] ? v9fs_write_inode+0x50/0x50 [ 91.937092][ T7863] legacy_get_tree+0x103/0x1f0 [ 91.941851][ T7863] vfs_get_tree+0x8b/0x2d0 [ 91.946253][ T7863] ? capable+0x14/0x20 [ 91.950324][ T7863] do_mount+0x1270/0x1b60 [ 91.954633][ T7863] ? lock_downgrade+0x900/0x900 [ 91.959467][ T7863] ? copy_mount_string+0x20/0x20 [ 91.964393][ T7863] ? __kasan_check_write+0x14/0x20 [ 91.969487][ T7863] ? _copy_from_user+0xd6/0x110 [ 91.974342][ T7863] __x64_sys_mount+0x169/0x1c0 [ 91.979120][ T7863] do_syscall_64+0xd0/0x630 [ 91.983625][ T7863] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.989505][ T7863] RIP: 0033:0x458da9 [ 91.993387][ T7863] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.012987][ T7863] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.021380][ T7863] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 92.029346][ T7863] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.037306][ T7863] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.045254][ T7863] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 92.053201][ T7863] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.061175][ T7866] CPU: 0 PID: 7866 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 92.066722][ T7867] FAULT_INJECTION: forcing a failure. [ 92.066722][ T7867] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.069763][ T7866] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.093081][ T7866] Call Trace: [ 92.096359][ T7866] dump_stack+0x12d/0x187 [ 92.100691][ T7866] should_fail.cold.4+0x5/0x13 [ 92.105457][ T7866] ? do_mount+0x1270/0x1b60 [ 92.109964][ T7866] ? fault_create_debugfs_attr+0x150/0x150 [ 92.115752][ T7866] ? find_held_lock+0x36/0x1d0 [ 92.120502][ T7866] should_fail_alloc_page+0x50/0x60 [ 92.125679][ T7866] __alloc_pages_nodemask+0x17f/0x890 [ 92.131026][ T7866] ? cache_grow_end+0xa8/0x190 [ 92.135767][ T7866] ? __alloc_pages_slowpath+0x2540/0x2540 [ 92.141468][ T7866] ? do_raw_spin_lock+0x132/0x2e0 [ 92.146490][ T7866] cache_grow_begin+0x92/0xca0 [ 92.151226][ T7866] ? __kmalloc+0xc5/0x790 [ 92.155542][ T7866] ? trace_hardirqs_off+0x41/0x1a0 [ 92.160630][ T7866] __kmalloc+0x6cd/0x790 [ 92.164850][ T7866] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 92.170114][ T7866] p9_fcall_init.isra.2+0x55/0x1c0 [ 92.175308][ T7866] p9_client_prepare_req.part.5+0x116/0x670 [ 92.181181][ T7866] p9_client_rpc+0x174/0xe50 [ 92.185763][ T7866] ? p9_client_prepare_req.part.5+0x670/0x670 [ 92.191807][ T7866] ? p9_pollwait+0x182/0x210 [ 92.196393][ T7866] ? pipe_poll+0xc2/0x6b0 [ 92.200695][ T7866] ? ksys_dup3+0x2e0/0x2e0 [ 92.205099][ T7866] ? p9_fd_poll+0x19b/0x2a0 [ 92.209579][ T7866] ? p9_conn_create+0x399/0x4e0 [ 92.214487][ T7866] ? p9_conn_create+0x4e0/0x4e0 [ 92.219344][ T7866] p9_client_create+0x7ec/0x10e0 [ 92.224302][ T7866] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 92.230353][ T7866] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.235875][ T7866] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.241921][ T7866] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.247710][ T7866] ? __kmalloc_track_caller+0x60e/0x780 [ 92.253245][ T7866] ? __x64_sys_mount+0x169/0x1c0 [ 92.258158][ T7866] ? do_syscall_64+0xd0/0x630 [ 92.262807][ T7866] ? lockdep_init_map+0x1b6/0x6c0 [ 92.267814][ T7866] v9fs_session_init+0x1ed/0x14c0 [ 92.272812][ T7866] ? v9fs_session_init+0x1ed/0x14c0 [ 92.277979][ T7866] ? __lock_acquire+0x100f/0x4ef0 [ 92.283023][ T7866] ? find_held_lock+0x36/0x1d0 [ 92.287801][ T7866] ? v9fs_show_options+0x6c0/0x6c0 [ 92.292950][ T7866] ? __kasan_check_read+0x11/0x20 [ 92.297993][ T7866] ? v9fs_mount+0x55/0x7f0 [ 92.302391][ T7866] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.307919][ T7866] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.313964][ T7866] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.319755][ T7866] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.325281][ T7866] ? apparmor_task_alloc+0x2f0/0x2f0 [ 92.330548][ T7866] v9fs_mount+0x72/0x7f0 [ 92.334782][ T7866] ? v9fs_write_inode+0x50/0x50 [ 92.339609][ T7866] legacy_get_tree+0x103/0x1f0 [ 92.344350][ T7866] vfs_get_tree+0x8b/0x2d0 [ 92.348740][ T7866] ? capable+0x14/0x20 [ 92.352785][ T7866] do_mount+0x1270/0x1b60 [ 92.357085][ T7866] ? lock_downgrade+0x900/0x900 [ 92.361912][ T7866] ? copy_mount_string+0x20/0x20 [ 92.366836][ T7866] ? __kasan_check_write+0x14/0x20 [ 92.371920][ T7866] ? _copy_from_user+0xd6/0x110 [ 92.376778][ T7866] __x64_sys_mount+0x169/0x1c0 [ 92.381550][ T7866] do_syscall_64+0xd0/0x630 [ 92.386039][ T7866] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.391917][ T7866] RIP: 0033:0x458da9 [ 92.395795][ T7866] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.415378][ T7866] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.423763][ T7866] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 92.431819][ T7866] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.439796][ T7866] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.447751][ T7866] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 92.455701][ T7866] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.463687][ T7867] CPU: 1 PID: 7867 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 92.472292][ T7867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.482344][ T7867] Call Trace: [ 92.485629][ T7867] dump_stack+0x12d/0x187 [ 92.489967][ T7867] should_fail.cold.4+0x5/0x13 [ 92.494727][ T7867] ? kmem_cache_alloc+0x121/0x750 [ 92.499763][ T7867] ? fault_create_debugfs_attr+0x150/0x150 [ 92.505565][ T7867] ? vfs_get_tree+0x8b/0x2d0 [ 92.510261][ T7867] ? do_mount+0x1270/0x1b60 [ 92.514771][ T7867] ? __x64_sys_mount+0x169/0x1c0 [ 92.520057][ T7867] ? do_syscall_64+0xd0/0x630 [ 92.524732][ T7867] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.530803][ T7867] should_fail_alloc_page+0x50/0x60 [ 92.535998][ T7867] __alloc_pages_nodemask+0x17f/0x890 [ 92.537004][ T7872] FAULT_INJECTION: forcing a failure. [ 92.537004][ T7872] name failslab, interval 1, probability 0, space 0, times 0 [ 92.541363][ T7867] ? __alloc_pages_slowpath+0x2540/0x2540 [ 92.541389][ T7867] cache_grow_begin+0x92/0xca0 [ 92.541394][ T7867] ? __kmalloc+0xc5/0x790 [ 92.541403][ T7867] ? trace_hardirqs_off+0x41/0x1a0 [ 92.541413][ T7867] __kmalloc+0x6cd/0x790 [ 92.541426][ T7867] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 92.541437][ T7867] p9_fcall_init.isra.2+0x55/0x1c0 [ 92.541447][ T7867] p9_client_prepare_req.part.5+0x96/0x670 [ 92.541461][ T7867] p9_client_rpc+0x174/0xe50 [ 92.598923][ T7867] ? p9_client_prepare_req.part.5+0x670/0x670 [ 92.604971][ T7867] ? p9_pollwait+0x182/0x210 [ 92.609543][ T7867] ? pipe_poll+0xc2/0x6b0 [ 92.613869][ T7867] ? ksys_dup3+0x2e0/0x2e0 [ 92.618277][ T7867] ? p9_fd_poll+0x19b/0x2a0 [ 92.622768][ T7867] ? p9_conn_create+0x399/0x4e0 [ 92.627621][ T7867] ? p9_conn_create+0x4e0/0x4e0 [ 92.632475][ T7867] p9_client_create+0x7ec/0x10e0 [ 92.637405][ T7867] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 92.643461][ T7867] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.648984][ T7867] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.655030][ T7867] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.660825][ T7867] ? __kmalloc_track_caller+0x60e/0x780 [ 92.666361][ T7867] ? __x64_sys_mount+0x169/0x1c0 [ 92.671298][ T7867] ? do_syscall_64+0xd0/0x630 [ 92.675970][ T7867] ? lockdep_init_map+0x1b6/0x6c0 [ 92.680999][ T7867] v9fs_session_init+0x1ed/0x14c0 [ 92.686009][ T7867] ? v9fs_session_init+0x1ed/0x14c0 [ 92.691213][ T7867] ? cache_grow_end+0xa8/0x190 [ 92.695990][ T7867] ? lock_downgrade+0x900/0x900 [ 92.700934][ T7867] ? __kasan_check_write+0x14/0x20 [ 92.706037][ T7867] ? v9fs_show_options+0x6c0/0x6c0 [ 92.711140][ T7867] ? __kasan_check_read+0x11/0x20 [ 92.716155][ T7867] ? v9fs_mount+0x55/0x7f0 [ 92.720564][ T7867] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.726097][ T7867] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.732159][ T7867] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.737966][ T7867] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.743505][ T7867] v9fs_mount+0x72/0x7f0 [ 92.747732][ T7867] ? v9fs_write_inode+0x50/0x50 [ 92.752567][ T7867] legacy_get_tree+0x103/0x1f0 [ 92.757338][ T7867] vfs_get_tree+0x8b/0x2d0 [ 92.761734][ T7867] ? capable+0x14/0x20 [ 92.765782][ T7867] do_mount+0x1270/0x1b60 [ 92.770087][ T7867] ? lock_downgrade+0x900/0x900 [ 92.774931][ T7867] ? copy_mount_string+0x20/0x20 [ 92.779860][ T7867] ? __kasan_check_write+0x14/0x20 [ 92.784950][ T7867] ? _copy_from_user+0xd6/0x110 [ 92.789812][ T7867] __x64_sys_mount+0x169/0x1c0 [ 92.794570][ T7867] do_syscall_64+0xd0/0x630 [ 92.799086][ T7867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.804965][ T7867] RIP: 0033:0x458da9 [ 92.808859][ T7867] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.828460][ T7867] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.836866][ T7867] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 92.842480][ T7877] FAULT_INJECTION: forcing a failure. [ 92.842480][ T7877] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.844836][ T7867] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.865960][ T7867] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.873923][ T7867] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 92.881871][ T7867] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.889845][ T7877] CPU: 0 PID: 7877 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 92.898421][ T7877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.908477][ T7877] Call Trace: [ 92.911020][ T7881] FAULT_INJECTION: forcing a failure. [ 92.911020][ T7881] name failslab, interval 1, probability 0, space 0, times 0 [ 92.911760][ T7877] dump_stack+0x12d/0x187 [ 92.911780][ T7877] should_fail.cold.4+0x5/0x13 [ 92.933391][ T7877] ? kmem_cache_alloc+0x121/0x750 [ 92.938417][ T7877] ? fault_create_debugfs_attr+0x150/0x150 [ 92.944200][ T7877] ? vfs_get_tree+0x8b/0x2d0 [ 92.948767][ T7877] ? do_mount+0x1270/0x1b60 [ 92.953245][ T7877] ? __x64_sys_mount+0x169/0x1c0 [ 92.958163][ T7877] ? do_syscall_64+0xd0/0x630 [ 92.962845][ T7877] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.968907][ T7877] should_fail_alloc_page+0x50/0x60 [ 92.974094][ T7877] __alloc_pages_nodemask+0x17f/0x890 [ 92.979452][ T7877] ? __alloc_pages_slowpath+0x2540/0x2540 [ 92.985183][ T7877] cache_grow_begin+0x92/0xca0 [ 92.989923][ T7877] ? __kmalloc+0xc5/0x790 [ 92.994234][ T7877] ? trace_hardirqs_off+0x41/0x1a0 [ 92.999413][ T7877] __kmalloc+0x6cd/0x790 [ 93.003654][ T7877] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 93.008924][ T7877] p9_fcall_init.isra.2+0x55/0x1c0 [ 93.014019][ T7877] p9_client_prepare_req.part.5+0x96/0x670 [ 93.019830][ T7877] p9_client_rpc+0x174/0xe50 [ 93.024407][ T7877] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.030453][ T7877] ? p9_pollwait+0x182/0x210 [ 93.035024][ T7877] ? pipe_poll+0xc2/0x6b0 [ 93.039329][ T7877] ? ksys_dup3+0x2e0/0x2e0 [ 93.043725][ T7877] ? p9_fd_poll+0x19b/0x2a0 [ 93.048205][ T7877] ? p9_conn_create+0x399/0x4e0 [ 93.053050][ T7877] ? p9_conn_create+0x4e0/0x4e0 [ 93.057914][ T7877] p9_client_create+0x7ec/0x10e0 [ 93.062857][ T7877] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.068941][ T7877] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.074590][ T7877] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.080639][ T7877] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.086433][ T7877] ? __kmalloc_track_caller+0x60e/0x780 [ 93.091962][ T7877] ? __x64_sys_mount+0x169/0x1c0 [ 93.096894][ T7877] ? do_syscall_64+0xd0/0x630 [ 93.101548][ T7877] ? lockdep_init_map+0x1b6/0x6c0 [ 93.106560][ T7877] v9fs_session_init+0x1ed/0x14c0 [ 93.111567][ T7877] ? v9fs_session_init+0x1ed/0x14c0 [ 93.116760][ T7877] ? __lock_acquire+0x100f/0x4ef0 [ 93.121769][ T7877] ? find_held_lock+0x36/0x1d0 [ 93.126515][ T7877] ? v9fs_show_options+0x6c0/0x6c0 [ 93.131603][ T7877] ? __kasan_check_read+0x11/0x20 [ 93.136609][ T7877] ? v9fs_mount+0x55/0x7f0 [ 93.141019][ T7877] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.146550][ T7877] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.152596][ T7877] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.158382][ T7877] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.163908][ T7877] ? apparmor_task_alloc+0x2f0/0x2f0 [ 93.169178][ T7877] v9fs_mount+0x72/0x7f0 [ 93.173401][ T7877] ? v9fs_write_inode+0x50/0x50 [ 93.178245][ T7877] legacy_get_tree+0x103/0x1f0 [ 93.183004][ T7877] vfs_get_tree+0x8b/0x2d0 [ 93.187407][ T7877] ? capable+0x14/0x20 [ 93.191469][ T7877] do_mount+0x1270/0x1b60 [ 93.195783][ T7877] ? lock_downgrade+0x900/0x900 [ 93.200655][ T7877] ? copy_mount_string+0x20/0x20 [ 93.205592][ T7877] ? __kasan_check_write+0x14/0x20 [ 93.210680][ T7877] ? _copy_from_user+0xd6/0x110 [ 93.215529][ T7877] __x64_sys_mount+0x169/0x1c0 [ 93.220278][ T7877] do_syscall_64+0xd0/0x630 [ 93.224760][ T7877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.230624][ T7877] RIP: 0033:0x458da9 [ 93.234495][ T7877] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.254075][ T7877] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.262459][ T7877] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 93.270408][ T7877] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 93.278356][ T7877] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 93.286323][ T7877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 93.294299][ T7877] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 93.302284][ T7881] CPU: 1 PID: 7881 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 93.310868][ T7881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.320914][ T7881] Call Trace: [ 93.324216][ T7881] dump_stack+0x12d/0x187 [ 93.328561][ T7881] should_fail.cold.4+0x5/0x13 [ 93.333308][ T7881] ? fault_create_debugfs_attr+0x150/0x150 [ 93.339272][ T7881] ? ___might_sleep+0x16b/0x2b0 [ 93.344106][ T7881] __should_failslab+0xba/0xf0 [ 93.348868][ T7881] should_failslab+0x9/0x14 [ 93.353465][ T7881] __kmalloc+0x2eb/0x790 [ 93.357698][ T7881] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 93.362982][ T7881] p9_fcall_init.isra.2+0x55/0x1c0 [ 93.368077][ T7881] p9_client_prepare_req.part.5+0x116/0x670 [ 93.373952][ T7881] p9_client_rpc+0x174/0xe50 [ 93.378527][ T7881] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.384576][ T7881] ? p9_pollwait+0x182/0x210 [ 93.389149][ T7881] ? pipe_poll+0xc2/0x6b0 [ 93.393471][ T7881] ? ksys_dup3+0x2e0/0x2e0 [ 93.397864][ T7881] ? p9_fd_poll+0x19b/0x2a0 [ 93.402344][ T7881] ? p9_conn_create+0x399/0x4e0 [ 93.407175][ T7881] ? p9_conn_create+0x4e0/0x4e0 [ 93.412008][ T7881] p9_client_create+0x7ec/0x10e0 [ 93.416946][ T7881] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.423006][ T7881] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.428534][ T7881] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.434574][ T7881] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.440498][ T7881] ? __kmalloc_track_caller+0x60e/0x780 [ 93.446036][ T7881] ? __x64_sys_mount+0x169/0x1c0 [ 93.450952][ T7881] ? do_syscall_64+0xd0/0x630 [ 93.455605][ T7881] ? lockdep_init_map+0x1b6/0x6c0 [ 93.460621][ T7881] v9fs_session_init+0x1ed/0x14c0 [ 93.465625][ T7881] ? v9fs_session_init+0x1ed/0x14c0 [ 93.470798][ T7881] ? __lock_acquire+0x100f/0x4ef0 [ 93.475809][ T7881] ? find_held_lock+0x36/0x1d0 [ 93.480574][ T7881] ? v9fs_show_options+0x6c0/0x6c0 [ 93.485660][ T7881] ? __kasan_check_read+0x11/0x20 [ 93.490667][ T7881] ? v9fs_mount+0x55/0x7f0 [ 93.495067][ T7881] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.500862][ T7881] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.506916][ T7881] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.512834][ T7881] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.518369][ T7881] ? apparmor_task_alloc+0x2f0/0x2f0 [ 93.523659][ T7881] v9fs_mount+0x72/0x7f0 [ 93.527889][ T7881] ? v9fs_write_inode+0x50/0x50 [ 93.532749][ T7881] legacy_get_tree+0x103/0x1f0 [ 93.537518][ T7881] vfs_get_tree+0x8b/0x2d0 [ 93.541922][ T7881] ? capable+0x14/0x20 [ 93.545981][ T7881] do_mount+0x1270/0x1b60 [ 93.550287][ T7881] ? lock_downgrade+0x900/0x900 [ 93.555126][ T7881] ? copy_mount_string+0x20/0x20 [ 93.560059][ T7881] ? __kasan_check_write+0x14/0x20 [ 93.565149][ T7881] ? _copy_from_user+0xd6/0x110 [ 93.569999][ T7881] __x64_sys_mount+0x169/0x1c0 [ 93.574754][ T7881] do_syscall_64+0xd0/0x630 [ 93.579264][ T7881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.585133][ T7881] RIP: 0033:0x458da9 [ 93.589016][ T7881] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.608599][ T7881] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.616986][ T7881] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 93.624943][ T7881] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 93.632906][ T7881] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 93.640862][ T7881] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 93.648814][ T7881] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 93.656788][ T7872] CPU: 0 PID: 7872 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 93.665396][ T7872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.675452][ T7872] Call Trace: [ 93.678752][ T7872] dump_stack+0x12d/0x187 [ 93.680266][ T7885] FAULT_INJECTION: forcing a failure. [ 93.680266][ T7885] name failslab, interval 1, probability 0, space 0, times 0 [ 93.683083][ T7872] should_fail.cold.4+0x5/0x13 [ 93.683094][ T7872] ? fault_create_debugfs_attr+0x150/0x150 [ 93.683106][ T7872] ? ___might_sleep+0x16b/0x2b0 [ 93.711023][ T7872] __should_failslab+0xba/0xf0 [ 93.715784][ T7872] should_failslab+0x9/0x14 [ 93.720275][ T7872] __kmalloc+0x2eb/0x790 [ 93.724533][ T7872] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 93.729811][ T7872] p9_fcall_init.isra.2+0x55/0x1c0 [ 93.734908][ T7872] p9_client_prepare_req.part.5+0x116/0x670 [ 93.740787][ T7872] p9_client_rpc+0x174/0xe50 [ 93.745365][ T7872] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.751407][ T7872] ? p9_pollwait+0x182/0x210 [ 93.755975][ T7872] ? pipe_poll+0xc2/0x6b0 [ 93.760308][ T7872] ? ksys_dup3+0x2e0/0x2e0 [ 93.764718][ T7872] ? p9_fd_poll+0x19b/0x2a0 [ 93.769316][ T7872] ? p9_conn_create+0x399/0x4e0 [ 93.774165][ T7872] ? p9_conn_create+0x4e0/0x4e0 [ 93.779000][ T7872] ? kfree+0x23a/0x2c0 [ 93.783052][ T7872] p9_client_create+0x7ec/0x10e0 [ 93.787997][ T7872] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.794054][ T7872] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.799580][ T7872] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.805651][ T7872] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.811449][ T7872] ? __kmalloc_track_caller+0x60e/0x780 [ 93.816997][ T7872] ? __x64_sys_mount+0x169/0x1c0 [ 93.821927][ T7872] ? do_syscall_64+0xd0/0x630 [ 93.826593][ T7872] ? lockdep_init_map+0x1b6/0x6c0 [ 93.831617][ T7872] v9fs_session_init+0x1ed/0x14c0 [ 93.836621][ T7872] ? v9fs_session_init+0x1ed/0x14c0 [ 93.841791][ T7872] ? __lock_acquire+0x100f/0x4ef0 [ 93.846791][ T7872] ? find_held_lock+0x36/0x1d0 [ 93.851537][ T7872] ? v9fs_show_options+0x6c0/0x6c0 [ 93.856622][ T7872] ? __kasan_check_read+0x11/0x20 [ 93.861628][ T7872] ? v9fs_mount+0x55/0x7f0 [ 93.866024][ T7872] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.871573][ T7872] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.877621][ T7872] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.883409][ T7872] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.888941][ T7872] ? apparmor_task_alloc+0x2f0/0x2f0 [ 93.894209][ T7872] v9fs_mount+0x72/0x7f0 [ 93.898459][ T7872] ? v9fs_write_inode+0x50/0x50 [ 93.903312][ T7872] legacy_get_tree+0x103/0x1f0 [ 93.908078][ T7872] vfs_get_tree+0x8b/0x2d0 [ 93.912524][ T7872] ? capable+0x14/0x20 [ 93.916584][ T7872] do_mount+0x1270/0x1b60 [ 93.920903][ T7872] ? lock_downgrade+0x900/0x900 [ 93.925745][ T7872] ? copy_mount_string+0x20/0x20 [ 93.930682][ T7872] ? __kasan_check_write+0x14/0x20 [ 93.935779][ T7872] ? _copy_from_user+0xd6/0x110 [ 93.940621][ T7872] __x64_sys_mount+0x169/0x1c0 [ 93.945371][ T7872] do_syscall_64+0xd0/0x630 [ 93.949869][ T7872] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.955735][ T7872] RIP: 0033:0x458da9 [ 93.959606][ T7872] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.979210][ T7872] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.987598][ T7872] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 93.995560][ T7872] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.003523][ T7872] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.011485][ T7872] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 94.019435][ T7872] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.027437][ T7885] CPU: 1 PID: 7885 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 94.036065][ T7885] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.046117][ T7885] Call Trace: [ 94.049410][ T7885] dump_stack+0x12d/0x187 [ 94.053745][ T7885] should_fail.cold.4+0x5/0x13 [ 94.058518][ T7885] ? fault_create_debugfs_attr+0x150/0x150 [ 94.064331][ T7885] ? ___might_sleep+0x16b/0x2b0 [ 94.069191][ T7885] __should_failslab+0xba/0xf0 [ 94.073949][ T7885] should_failslab+0x9/0x14 [ 94.078447][ T7885] __kmalloc+0x2eb/0x790 [ 94.082806][ T7885] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 94.088094][ T7885] p9_fcall_init.isra.2+0x55/0x1c0 [ 94.093232][ T7885] p9_client_prepare_req.part.5+0x116/0x670 [ 94.099140][ T7885] p9_client_rpc+0x174/0xe50 [ 94.103736][ T7885] ? p9_client_prepare_req.part.5+0x670/0x670 [ 94.110066][ T7885] ? p9_pollwait+0x182/0x210 [ 94.114652][ T7885] ? pipe_poll+0xc2/0x6b0 [ 94.118988][ T7885] ? ksys_dup3+0x2e0/0x2e0 [ 94.123403][ T7885] ? p9_fd_poll+0x19b/0x2a0 [ 94.127912][ T7885] ? p9_conn_create+0x399/0x4e0 [ 94.132529][ T7897] FAULT_INJECTION: forcing a failure. [ 94.132529][ T7897] name failslab, interval 1, probability 0, space 0, times 0 [ 94.132768][ T7885] ? p9_conn_create+0x4e0/0x4e0 [ 94.147252][ T7898] FAULT_INJECTION: forcing a failure. [ 94.147252][ T7898] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 94.150247][ T7885] p9_client_create+0x7ec/0x10e0 [ 94.168352][ T7885] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.174415][ T7885] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.179942][ T7885] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.186017][ T7885] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.191823][ T7885] ? __kmalloc_track_caller+0x60e/0x780 [ 94.197347][ T7885] ? __x64_sys_mount+0x169/0x1c0 [ 94.202261][ T7885] ? do_syscall_64+0xd0/0x630 [ 94.206912][ T7885] ? lockdep_init_map+0x1b6/0x6c0 [ 94.211921][ T7885] v9fs_session_init+0x1ed/0x14c0 [ 94.216921][ T7885] ? v9fs_session_init+0x1ed/0x14c0 [ 94.222124][ T7885] ? __lock_acquire+0x100f/0x4ef0 [ 94.227128][ T7885] ? find_held_lock+0x36/0x1d0 [ 94.231875][ T7885] ? v9fs_show_options+0x6c0/0x6c0 [ 94.236968][ T7885] ? __kasan_check_read+0x11/0x20 [ 94.242058][ T7885] ? v9fs_mount+0x55/0x7f0 [ 94.246453][ T7885] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.251979][ T7885] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.258132][ T7885] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.263928][ T7885] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.269468][ T7885] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.274739][ T7885] v9fs_mount+0x72/0x7f0 [ 94.278986][ T7885] ? v9fs_write_inode+0x50/0x50 [ 94.283916][ T7885] legacy_get_tree+0x103/0x1f0 [ 94.288665][ T7885] vfs_get_tree+0x8b/0x2d0 [ 94.293070][ T7885] ? capable+0x14/0x20 [ 94.297124][ T7885] do_mount+0x1270/0x1b60 [ 94.301428][ T7885] ? lock_downgrade+0x900/0x900 [ 94.306261][ T7885] ? copy_mount_string+0x20/0x20 [ 94.311198][ T7885] ? __kasan_check_write+0x14/0x20 [ 94.316306][ T7885] ? _copy_from_user+0xd6/0x110 [ 94.321148][ T7885] __x64_sys_mount+0x169/0x1c0 [ 94.325895][ T7885] do_syscall_64+0xd0/0x630 [ 94.330379][ T7885] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.336247][ T7885] RIP: 0033:0x458da9 [ 94.340312][ T7885] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.359892][ T7885] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.368290][ T7885] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 94.376237][ T7885] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.384211][ T7885] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.392167][ T7885] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 94.400128][ T7885] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.408107][ T7898] CPU: 0 PID: 7898 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 94.416695][ T7898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.419067][ T7899] FAULT_INJECTION: forcing a failure. [ 94.419067][ T7899] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 94.426769][ T7898] Call Trace: [ 94.443242][ T7898] dump_stack+0x12d/0x187 [ 94.447568][ T7898] should_fail.cold.4+0x5/0x13 [ 94.452314][ T7898] ? do_mount+0x1270/0x1b60 [ 94.456798][ T7898] ? fault_create_debugfs_attr+0x150/0x150 [ 94.462590][ T7898] ? find_held_lock+0x36/0x1d0 [ 94.467336][ T7898] should_fail_alloc_page+0x50/0x60 [ 94.472510][ T7898] __alloc_pages_nodemask+0x17f/0x890 [ 94.477873][ T7898] ? cache_grow_end+0xa8/0x190 [ 94.482626][ T7898] ? __alloc_pages_slowpath+0x2540/0x2540 [ 94.488320][ T7898] ? do_raw_spin_lock+0x132/0x2e0 [ 94.493331][ T7898] cache_grow_begin+0x92/0xca0 [ 94.498066][ T7898] ? __kmalloc+0xc5/0x790 [ 94.502371][ T7898] ? trace_hardirqs_off+0x41/0x1a0 [ 94.507465][ T7898] __kmalloc+0x6cd/0x790 [ 94.511713][ T7898] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 94.516990][ T7898] p9_fcall_init.isra.2+0x55/0x1c0 [ 94.522091][ T7898] p9_client_prepare_req.part.5+0x116/0x670 [ 94.527971][ T7898] p9_client_rpc+0x174/0xe50 [ 94.532552][ T7898] ? p9_client_prepare_req.part.5+0x670/0x670 [ 94.538613][ T7898] ? p9_pollwait+0x182/0x210 [ 94.543182][ T7898] ? pipe_poll+0xc2/0x6b0 [ 94.547487][ T7898] ? ksys_dup3+0x2e0/0x2e0 [ 94.551893][ T7898] ? p9_fd_poll+0x19b/0x2a0 [ 94.556373][ T7898] ? p9_conn_create+0x399/0x4e0 [ 94.561213][ T7898] ? p9_conn_create+0x4e0/0x4e0 [ 94.566286][ T7898] p9_client_create+0x7ec/0x10e0 [ 94.571233][ T7898] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.577276][ T7898] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.582802][ T7898] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.588859][ T7898] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.594650][ T7898] ? __kmalloc_track_caller+0x60e/0x780 [ 94.600177][ T7898] ? __x64_sys_mount+0x169/0x1c0 [ 94.605110][ T7898] ? do_syscall_64+0xd0/0x630 [ 94.609765][ T7898] ? lockdep_init_map+0x1b6/0x6c0 [ 94.614775][ T7898] v9fs_session_init+0x1ed/0x14c0 [ 94.619776][ T7898] ? v9fs_session_init+0x1ed/0x14c0 [ 94.624948][ T7898] ? __lock_acquire+0x100f/0x4ef0 [ 94.629950][ T7898] ? find_held_lock+0x36/0x1d0 [ 94.634693][ T7898] ? v9fs_show_options+0x6c0/0x6c0 [ 94.639776][ T7898] ? __kasan_check_read+0x11/0x20 [ 94.644776][ T7898] ? v9fs_mount+0x55/0x7f0 [ 94.649168][ T7898] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.654689][ T7898] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.660726][ T7898] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.666512][ T7898] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.672036][ T7898] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.677318][ T7898] v9fs_mount+0x72/0x7f0 [ 94.681550][ T7898] ? v9fs_write_inode+0x50/0x50 [ 94.686395][ T7898] legacy_get_tree+0x103/0x1f0 [ 94.691516][ T7898] vfs_get_tree+0x8b/0x2d0 [ 94.695910][ T7898] ? capable+0x14/0x20 [ 94.699975][ T7898] do_mount+0x1270/0x1b60 [ 94.704282][ T7898] ? lock_downgrade+0x900/0x900 [ 94.709127][ T7898] ? copy_mount_string+0x20/0x20 [ 94.714057][ T7898] ? __kasan_check_write+0x14/0x20 [ 94.719148][ T7898] ? _copy_from_user+0xd6/0x110 [ 94.723986][ T7898] __x64_sys_mount+0x169/0x1c0 [ 94.728746][ T7898] do_syscall_64+0xd0/0x630 [ 94.733231][ T7898] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.739099][ T7898] RIP: 0033:0x458da9 [ 94.742971][ T7898] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.762566][ T7898] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.770950][ T7898] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 94.778896][ T7898] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.786849][ T7898] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.794798][ T7898] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 94.802757][ T7898] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.810730][ T7899] CPU: 1 PID: 7899 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 94.819282][ T7901] FAULT_INJECTION: forcing a failure. [ 94.819282][ T7901] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 94.819317][ T7899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.842523][ T7899] Call Trace: [ 94.845798][ T7899] dump_stack+0x12d/0x187 [ 94.850130][ T7899] should_fail.cold.4+0x5/0x13 [ 94.854886][ T7899] ? do_mount+0x1270/0x1b60 [ 94.859524][ T7899] ? fault_create_debugfs_attr+0x150/0x150 [ 94.865312][ T7899] ? find_held_lock+0x36/0x1d0 [ 94.870057][ T7899] should_fail_alloc_page+0x50/0x60 [ 94.875233][ T7899] __alloc_pages_nodemask+0x17f/0x890 [ 94.880583][ T7899] ? cache_grow_end+0xa8/0x190 [ 94.885328][ T7899] ? __alloc_pages_slowpath+0x2540/0x2540 [ 94.891024][ T7899] ? do_raw_spin_lock+0x132/0x2e0 [ 94.896042][ T7899] cache_grow_begin+0x92/0xca0 [ 94.900784][ T7899] ? __kmalloc+0xc5/0x790 [ 94.905094][ T7899] ? trace_hardirqs_off+0x41/0x1a0 [ 94.910200][ T7899] __kmalloc+0x6cd/0x790 [ 94.914452][ T7899] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 94.919719][ T7899] p9_fcall_init.isra.2+0x55/0x1c0 [ 94.924813][ T7899] p9_client_prepare_req.part.5+0x116/0x670 [ 94.930689][ T7899] p9_client_rpc+0x174/0xe50 [ 94.935267][ T7899] ? p9_client_prepare_req.part.5+0x670/0x670 [ 94.941312][ T7899] ? p9_pollwait+0x182/0x210 [ 94.945893][ T7899] ? pipe_poll+0xc2/0x6b0 [ 94.950200][ T7899] ? ksys_dup3+0x2e0/0x2e0 [ 94.954593][ T7899] ? p9_fd_poll+0x19b/0x2a0 [ 94.959076][ T7899] ? p9_conn_create+0x399/0x4e0 [ 94.963907][ T7899] ? p9_conn_create+0x4e0/0x4e0 [ 94.968743][ T7899] p9_client_create+0x7ec/0x10e0 [ 94.973666][ T7899] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.979707][ T7899] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.985228][ T7899] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.991270][ T7899] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.997071][ T7899] ? __kmalloc_track_caller+0x60e/0x780 [ 95.002590][ T7899] ? __x64_sys_mount+0x169/0x1c0 [ 95.007501][ T7899] ? do_syscall_64+0xd0/0x630 [ 95.012158][ T7899] ? lockdep_init_map+0x1b6/0x6c0 [ 95.017167][ T7899] v9fs_session_init+0x1ed/0x14c0 [ 95.022168][ T7899] ? v9fs_session_init+0x1ed/0x14c0 [ 95.027341][ T7899] ? __lock_acquire+0x100f/0x4ef0 [ 95.032343][ T7899] ? find_held_lock+0x36/0x1d0 [ 95.037101][ T7899] ? v9fs_show_options+0x6c0/0x6c0 [ 95.042186][ T7899] ? __kasan_check_read+0x11/0x20 [ 95.047191][ T7899] ? v9fs_mount+0x55/0x7f0 [ 95.051582][ T7899] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.057101][ T7899] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.063140][ T7899] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.068939][ T7899] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.074463][ T7899] ? apparmor_task_alloc+0x2f0/0x2f0 [ 95.079729][ T7899] v9fs_mount+0x72/0x7f0 [ 95.083952][ T7899] ? v9fs_write_inode+0x50/0x50 [ 95.088781][ T7899] legacy_get_tree+0x103/0x1f0 [ 95.093524][ T7899] vfs_get_tree+0x8b/0x2d0 [ 95.097915][ T7899] ? capable+0x14/0x20 [ 95.101962][ T7899] do_mount+0x1270/0x1b60 [ 95.106264][ T7899] ? lock_downgrade+0x900/0x900 [ 95.111098][ T7899] ? copy_mount_string+0x20/0x20 [ 95.116036][ T7899] ? __kasan_check_write+0x14/0x20 [ 95.121140][ T7899] ? _copy_from_user+0xd6/0x110 [ 95.125990][ T7899] __x64_sys_mount+0x169/0x1c0 [ 95.130742][ T7899] do_syscall_64+0xd0/0x630 [ 95.135231][ T7899] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.141108][ T7899] RIP: 0033:0x458da9 [ 95.144990][ T7899] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.164760][ T7899] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.173153][ T7899] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 95.181117][ T7899] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 95.189067][ T7899] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 95.197018][ T7899] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 95.204965][ T7899] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 95.212937][ T7901] CPU: 0 PID: 7901 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 95.221531][ T7901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.231316][ T7903] FAULT_INJECTION: forcing a failure. [ 95.231316][ T7903] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 95.231579][ T7901] Call Trace: [ 95.248170][ T7901] dump_stack+0x12d/0x187 [ 95.252482][ T7901] should_fail.cold.4+0x5/0x13 [ 95.257220][ T7901] ? do_mount+0x1270/0x1b60 [ 95.261717][ T7901] ? fault_create_debugfs_attr+0x150/0x150 [ 95.267505][ T7901] ? find_held_lock+0x36/0x1d0 [ 95.272251][ T7901] should_fail_alloc_page+0x50/0x60 [ 95.277425][ T7901] __alloc_pages_nodemask+0x17f/0x890 [ 95.282770][ T7901] ? cache_grow_end+0xa8/0x190 [ 95.287510][ T7901] ? __alloc_pages_slowpath+0x2540/0x2540 [ 95.293213][ T7901] ? do_raw_spin_lock+0x132/0x2e0 [ 95.298224][ T7901] cache_grow_begin+0x92/0xca0 [ 95.302960][ T7901] ? __kmalloc+0xc5/0x790 [ 95.307266][ T7901] ? trace_hardirqs_off+0x41/0x1a0 [ 95.312355][ T7901] __kmalloc+0x6cd/0x790 [ 95.316578][ T7901] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 95.321839][ T7901] p9_fcall_init.isra.2+0x55/0x1c0 [ 95.326926][ T7901] p9_client_prepare_req.part.5+0x116/0x670 [ 95.332816][ T7901] p9_client_rpc+0x174/0xe50 [ 95.337390][ T7901] ? p9_client_prepare_req.part.5+0x670/0x670 [ 95.343444][ T7901] ? p9_pollwait+0x182/0x210 [ 95.348033][ T7901] ? pipe_poll+0xc2/0x6b0 [ 95.352340][ T7901] ? ksys_dup3+0x2e0/0x2e0 [ 95.356735][ T7901] ? p9_fd_poll+0x19b/0x2a0 [ 95.361217][ T7901] ? p9_conn_create+0x399/0x4e0 [ 95.366051][ T7901] ? p9_conn_create+0x4e0/0x4e0 [ 95.370892][ T7901] p9_client_create+0x7ec/0x10e0 [ 95.375832][ T7901] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 95.381891][ T7901] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.387422][ T7901] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.393462][ T7901] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.399262][ T7901] ? __kmalloc_track_caller+0x60e/0x780 [ 95.404779][ T7901] ? __x64_sys_mount+0x169/0x1c0 [ 95.409691][ T7901] ? do_syscall_64+0xd0/0x630 [ 95.414341][ T7901] ? lockdep_init_map+0x1b6/0x6c0 [ 95.419349][ T7901] v9fs_session_init+0x1ed/0x14c0 [ 95.424347][ T7901] ? v9fs_session_init+0x1ed/0x14c0 [ 95.429625][ T7901] ? __lock_acquire+0x100f/0x4ef0 [ 95.434637][ T7901] ? find_held_lock+0x36/0x1d0 [ 95.439382][ T7901] ? v9fs_show_options+0x6c0/0x6c0 [ 95.444508][ T7901] ? __kasan_check_read+0x11/0x20 [ 95.449523][ T7901] ? v9fs_mount+0x55/0x7f0 [ 95.453967][ T7901] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.459617][ T7901] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.465662][ T7901] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.471457][ T7901] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.476990][ T7901] ? apparmor_task_alloc+0x2f0/0x2f0 [ 95.482263][ T7901] v9fs_mount+0x72/0x7f0 [ 95.486488][ T7901] ? v9fs_write_inode+0x50/0x50 [ 95.491319][ T7901] legacy_get_tree+0x103/0x1f0 [ 95.496063][ T7901] vfs_get_tree+0x8b/0x2d0 [ 95.500457][ T7901] ? capable+0x14/0x20 [ 95.504518][ T7901] do_mount+0x1270/0x1b60 [ 95.508837][ T7901] ? lock_downgrade+0x900/0x900 [ 95.513674][ T7901] ? copy_mount_string+0x20/0x20 [ 95.518607][ T7901] ? __kasan_check_write+0x14/0x20 [ 95.523713][ T7901] ? _copy_from_user+0xd6/0x110 [ 95.528555][ T7901] __x64_sys_mount+0x169/0x1c0 [ 95.533327][ T7901] do_syscall_64+0xd0/0x630 [ 95.537817][ T7901] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.543688][ T7901] RIP: 0033:0x458da9 [ 95.547565][ T7901] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.567178][ T7901] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.575573][ T7901] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 95.583539][ T7901] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 95.591503][ T7901] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 95.599455][ T7901] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 95.607408][ T7901] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 95.615399][ T7903] CPU: 1 PID: 7903 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 95.623991][ T7903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.634040][ T7903] Call Trace: [ 95.637324][ T7903] dump_stack+0x12d/0x187 [ 95.641656][ T7903] should_fail.cold.4+0x5/0x13 [ 95.646416][ T7903] ? kmem_cache_alloc+0x121/0x750 [ 95.651442][ T7903] ? fault_create_debugfs_attr+0x150/0x150 2020/03/22 08:54:13 executed programs: 93 [ 95.656377][ T7909] FAULT_INJECTION: forcing a failure. [ 95.656377][ T7909] name failslab, interval 1, probability 0, space 0, times 0 [ 95.657236][ T7903] ? vfs_get_tree+0x8b/0x2d0 [ 95.657243][ T7903] ? do_mount+0x1270/0x1b60 [ 95.657248][ T7903] ? __x64_sys_mount+0x169/0x1c0 [ 95.657255][ T7903] ? do_syscall_64+0xd0/0x630 [ 95.657263][ T7903] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.657282][ T7903] should_fail_alloc_page+0x50/0x60 [ 95.657288][ T7903] __alloc_pages_nodemask+0x17f/0x890 [ 95.657301][ T7903] ? __alloc_pages_slowpath+0x2540/0x2540 [ 95.657323][ T7903] cache_grow_begin+0x92/0xca0 [ 95.715734][ T7903] ? __kmalloc+0xc5/0x790 [ 95.720057][ T7903] ? trace_hardirqs_off+0x41/0x1a0 [ 95.725162][ T7903] __kmalloc+0x6cd/0x790 [ 95.729404][ T7903] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 95.731316][ T7916] FAULT_INJECTION: forcing a failure. [ 95.731316][ T7916] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 95.734705][ T7903] p9_fcall_init.isra.2+0x55/0x1c0 [ 95.752962][ T7903] p9_client_prepare_req.part.5+0x96/0x670 [ 95.758880][ T7903] p9_client_rpc+0x174/0xe50 [ 95.763473][ T7903] ? p9_client_prepare_req.part.5+0x670/0x670 [ 95.769531][ T7903] ? p9_pollwait+0x182/0x210 [ 95.774114][ T7903] ? pipe_poll+0xc2/0x6b0 [ 95.778425][ T7903] ? ksys_dup3+0x2e0/0x2e0 [ 95.782826][ T7903] ? p9_fd_poll+0x19b/0x2a0 [ 95.787311][ T7903] ? p9_conn_create+0x399/0x4e0 [ 95.792146][ T7903] ? p9_conn_create+0x4e0/0x4e0 [ 95.796981][ T7903] p9_client_create+0x7ec/0x10e0 [ 95.801903][ T7903] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 95.808105][ T7903] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.813647][ T7903] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.819695][ T7903] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.825491][ T7903] ? __kmalloc_track_caller+0x60e/0x780 [ 95.831020][ T7903] ? lockdep_init_map+0x1b6/0x6c0 [ 95.836034][ T7903] v9fs_session_init+0x1ed/0x14c0 [ 95.841054][ T7903] ? v9fs_session_init+0x1ed/0x14c0 [ 95.846243][ T7903] ? cache_grow_end+0xa8/0x190 [ 95.850992][ T7903] ? lock_downgrade+0x900/0x900 [ 95.855818][ T7903] ? __kasan_check_write+0x14/0x20 [ 95.860903][ T7903] ? v9fs_show_options+0x6c0/0x6c0 [ 95.865986][ T7903] ? __kasan_check_read+0x11/0x20 [ 95.871006][ T7903] ? v9fs_mount+0x55/0x7f0 [ 95.875409][ T7903] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.880927][ T7903] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.886969][ T7903] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.892780][ T7903] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.898309][ T7903] v9fs_mount+0x72/0x7f0 [ 95.902530][ T7903] ? v9fs_write_inode+0x50/0x50 [ 95.907375][ T7903] legacy_get_tree+0x103/0x1f0 [ 95.912139][ T7903] vfs_get_tree+0x8b/0x2d0 [ 95.916542][ T7903] ? capable+0x14/0x20 [ 95.920597][ T7903] do_mount+0x1270/0x1b60 [ 95.924919][ T7903] ? lock_downgrade+0x900/0x900 [ 95.929768][ T7903] ? copy_mount_string+0x20/0x20 [ 95.934700][ T7903] ? __kasan_check_write+0x14/0x20 [ 95.939791][ T7903] ? _copy_from_user+0xd6/0x110 [ 95.944643][ T7903] __x64_sys_mount+0x169/0x1c0 [ 95.949389][ T7903] do_syscall_64+0xd0/0x630 [ 95.953872][ T7903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.959740][ T7903] RIP: 0033:0x458da9 [ 95.963611][ T7903] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.983190][ T7903] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.991573][ T7903] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 95.999522][ T7903] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.007469][ T7903] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.015413][ T7903] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 96.023356][ T7903] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 96.031350][ T7916] CPU: 0 PID: 7916 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 96.039944][ T7916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.049998][ T7916] Call Trace: [ 96.053279][ T7916] dump_stack+0x12d/0x187 [ 96.057604][ T7916] should_fail.cold.4+0x5/0x13 [ 96.062354][ T7916] ? do_mount+0x1270/0x1b60 [ 96.066839][ T7916] ? fault_create_debugfs_attr+0x150/0x150 [ 96.072621][ T7916] ? find_held_lock+0x36/0x1d0 [ 96.077365][ T7916] should_fail_alloc_page+0x50/0x60 [ 96.082534][ T7916] __alloc_pages_nodemask+0x17f/0x890 [ 96.087893][ T7916] ? cache_grow_end+0xa8/0x190 [ 96.092648][ T7916] ? __alloc_pages_slowpath+0x2540/0x2540 [ 96.098339][ T7916] ? do_raw_spin_lock+0x132/0x2e0 [ 96.103361][ T7916] cache_grow_begin+0x92/0xca0 [ 96.108096][ T7916] ? __kmalloc+0xc5/0x790 [ 96.112402][ T7916] ? trace_hardirqs_off+0x41/0x1a0 [ 96.117487][ T7916] __kmalloc+0x6cd/0x790 [ 96.121708][ T7916] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 96.126984][ T7916] p9_fcall_init.isra.2+0x55/0x1c0 [ 96.132077][ T7916] p9_client_prepare_req.part.5+0x116/0x670 [ 96.137952][ T7916] p9_client_rpc+0x174/0xe50 [ 96.142520][ T7916] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.148564][ T7916] ? p9_pollwait+0x182/0x210 [ 96.153144][ T7916] ? pipe_poll+0xc2/0x6b0 [ 96.157447][ T7916] ? ksys_dup3+0x2e0/0x2e0 [ 96.161838][ T7916] ? p9_fd_poll+0x19b/0x2a0 [ 96.166317][ T7916] ? p9_conn_create+0x399/0x4e0 [ 96.171145][ T7916] ? p9_conn_create+0x4e0/0x4e0 [ 96.175977][ T7916] p9_client_create+0x7ec/0x10e0 [ 96.180894][ T7916] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.186939][ T7916] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.192474][ T7916] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.198532][ T7916] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.204350][ T7916] ? __kmalloc_track_caller+0x60e/0x780 [ 96.209873][ T7916] ? __x64_sys_mount+0x169/0x1c0 [ 96.214787][ T7916] ? do_syscall_64+0xd0/0x630 [ 96.219443][ T7916] ? lockdep_init_map+0x1b6/0x6c0 [ 96.224457][ T7916] v9fs_session_init+0x1ed/0x14c0 [ 96.229462][ T7916] ? v9fs_session_init+0x1ed/0x14c0 [ 96.234913][ T7916] ? __lock_acquire+0x100f/0x4ef0 [ 96.239929][ T7916] ? find_held_lock+0x36/0x1d0 [ 96.244682][ T7916] ? v9fs_show_options+0x6c0/0x6c0 [ 96.249781][ T7916] ? __kasan_check_read+0x11/0x20 [ 96.254786][ T7916] ? v9fs_mount+0x55/0x7f0 [ 96.259201][ T7916] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.264724][ T7916] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.270779][ T7916] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.276584][ T7916] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.282109][ T7916] ? apparmor_task_alloc+0x2f0/0x2f0 [ 96.287376][ T7916] v9fs_mount+0x72/0x7f0 [ 96.291615][ T7916] ? v9fs_write_inode+0x50/0x50 [ 96.296441][ T7916] legacy_get_tree+0x103/0x1f0 [ 96.301195][ T7916] vfs_get_tree+0x8b/0x2d0 [ 96.305682][ T7916] ? capable+0x14/0x20 [ 96.309751][ T7916] do_mount+0x1270/0x1b60 [ 96.314060][ T7916] ? lock_downgrade+0x900/0x900 [ 96.318895][ T7916] ? copy_mount_string+0x20/0x20 [ 96.323828][ T7916] ? __kasan_check_write+0x14/0x20 [ 96.328922][ T7916] ? _copy_from_user+0xd6/0x110 [ 96.333780][ T7916] __x64_sys_mount+0x169/0x1c0 [ 96.338537][ T7916] do_syscall_64+0xd0/0x630 [ 96.343023][ T7916] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.348898][ T7916] RIP: 0033:0x458da9 [ 96.352775][ T7916] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.372441][ T7916] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.380828][ T7916] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 96.388775][ T7916] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.396733][ T7916] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.404694][ T7916] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 96.412651][ T7916] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 96.420621][ T7897] CPU: 1 PID: 7897 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 96.429020][ T7917] FAULT_INJECTION: forcing a failure. [ 96.429020][ T7917] name failslab, interval 1, probability 0, space 0, times 0 [ 96.429195][ T7897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.429201][ T7897] Call Trace: [ 96.455078][ T7897] dump_stack+0x12d/0x187 [ 96.459393][ T7897] should_fail.cold.4+0x5/0x13 [ 96.464142][ T7897] ? fault_create_debugfs_attr+0x150/0x150 [ 96.469963][ T7897] ? ___might_sleep+0x16b/0x2b0 [ 96.474809][ T7897] __should_failslab+0xba/0xf0 [ 96.479558][ T7897] should_failslab+0x9/0x14 [ 96.484045][ T7897] __kmalloc+0x2eb/0x790 [ 96.488273][ T7897] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 96.493543][ T7897] p9_fcall_init.isra.2+0x55/0x1c0 [ 96.498633][ T7897] p9_client_prepare_req.part.5+0x116/0x670 [ 96.504521][ T7897] p9_client_rpc+0x174/0xe50 [ 96.509103][ T7897] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.515182][ T7897] ? p9_pollwait+0x182/0x210 [ 96.519778][ T7897] ? pipe_poll+0xc2/0x6b0 [ 96.524096][ T7897] ? ksys_dup3+0x2e0/0x2e0 [ 96.528496][ T7897] ? p9_fd_poll+0x19b/0x2a0 [ 96.532981][ T7897] ? p9_conn_create+0x399/0x4e0 [ 96.537843][ T7897] ? p9_conn_create+0x4e0/0x4e0 [ 96.542705][ T7897] p9_client_create+0x7ec/0x10e0 [ 96.547632][ T7897] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.553677][ T7897] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.559197][ T7897] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.565255][ T7897] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.571062][ T7897] ? __kmalloc_track_caller+0x60e/0x780 [ 96.576601][ T7897] ? __x64_sys_mount+0x169/0x1c0 [ 96.581533][ T7897] ? do_syscall_64+0xd0/0x630 [ 96.586202][ T7897] ? lockdep_init_map+0x1b6/0x6c0 [ 96.591227][ T7897] v9fs_session_init+0x1ed/0x14c0 [ 96.596258][ T7897] ? v9fs_session_init+0x1ed/0x14c0 [ 96.601434][ T7897] ? __lock_acquire+0x100f/0x4ef0 [ 96.606441][ T7897] ? find_held_lock+0x36/0x1d0 [ 96.611188][ T7897] ? v9fs_show_options+0x6c0/0x6c0 [ 96.616276][ T7897] ? __kasan_check_read+0x11/0x20 [ 96.621279][ T7897] ? v9fs_mount+0x55/0x7f0 [ 96.625670][ T7897] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.631191][ T7897] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.637232][ T7897] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.643022][ T7897] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.648557][ T7897] ? apparmor_task_alloc+0x2f0/0x2f0 [ 96.653832][ T7897] v9fs_mount+0x72/0x7f0 [ 96.658059][ T7897] ? v9fs_write_inode+0x50/0x50 [ 96.662908][ T7897] legacy_get_tree+0x103/0x1f0 [ 96.667661][ T7897] vfs_get_tree+0x8b/0x2d0 [ 96.672059][ T7897] ? capable+0x14/0x20 [ 96.676125][ T7897] do_mount+0x1270/0x1b60 [ 96.680441][ T7897] ? lock_downgrade+0x900/0x900 [ 96.685281][ T7897] ? copy_mount_string+0x20/0x20 [ 96.690224][ T7897] ? __kasan_check_write+0x14/0x20 [ 96.695324][ T7897] ? _copy_from_user+0xd6/0x110 [ 96.700179][ T7897] __x64_sys_mount+0x169/0x1c0 [ 96.704932][ T7897] do_syscall_64+0xd0/0x630 [ 96.709425][ T7897] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.715300][ T7897] RIP: 0033:0x458da9 [ 96.719178][ T7897] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.738777][ T7897] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.747171][ T7897] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 96.755121][ T7897] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.763090][ T7897] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.771059][ T7897] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 96.779009][ T7897] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 96.786988][ T7909] CPU: 0 PID: 7909 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 96.795583][ T7909] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.805634][ T7909] Call Trace: [ 96.808924][ T7909] dump_stack+0x12d/0x187 [ 96.813256][ T7909] should_fail.cold.4+0x5/0x13 [ 96.818018][ T7909] ? fault_create_debugfs_attr+0x150/0x150 [ 96.822940][ T7922] FAULT_INJECTION: forcing a failure. [ 96.822940][ T7922] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 96.823935][ T7909] ? ___might_sleep+0x16b/0x2b0 [ 96.842069][ T7909] __should_failslab+0xba/0xf0 [ 96.846815][ T7909] should_failslab+0x9/0x14 [ 96.851297][ T7909] __kmalloc+0x2eb/0x790 [ 96.855525][ T7909] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 96.860798][ T7909] p9_fcall_init.isra.2+0x55/0x1c0 [ 96.865891][ T7909] p9_client_prepare_req.part.5+0x116/0x670 [ 96.871771][ T7909] p9_client_rpc+0x174/0xe50 [ 96.876355][ T7909] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.882402][ T7909] ? p9_pollwait+0x182/0x210 [ 96.886975][ T7909] ? pipe_poll+0xc2/0x6b0 [ 96.891279][ T7909] ? ksys_dup3+0x2e0/0x2e0 [ 96.895675][ T7909] ? p9_fd_poll+0x19b/0x2a0 [ 96.900156][ T7909] ? p9_conn_create+0x399/0x4e0 [ 96.904989][ T7909] ? p9_conn_create+0x4e0/0x4e0 [ 96.909824][ T7909] p9_client_create+0x7ec/0x10e0 [ 96.914761][ T7909] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.920811][ T7909] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.926359][ T7909] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.932427][ T7909] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.938234][ T7909] ? __kmalloc_track_caller+0x60e/0x780 [ 96.943759][ T7909] ? __x64_sys_mount+0x169/0x1c0 [ 96.948673][ T7909] ? do_syscall_64+0xd0/0x630 [ 96.953336][ T7909] ? lockdep_init_map+0x1b6/0x6c0 [ 96.958345][ T7909] v9fs_session_init+0x1ed/0x14c0 [ 96.963360][ T7909] ? v9fs_session_init+0x1ed/0x14c0 [ 96.968529][ T7909] ? __lock_acquire+0x100f/0x4ef0 [ 96.973552][ T7909] ? find_held_lock+0x36/0x1d0 [ 96.978297][ T7909] ? v9fs_show_options+0x6c0/0x6c0 [ 96.983402][ T7909] ? __kasan_check_read+0x11/0x20 [ 96.988429][ T7909] ? v9fs_mount+0x55/0x7f0 [ 96.992841][ T7909] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.998364][ T7909] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.004413][ T7909] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.010208][ T7909] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.015739][ T7909] ? apparmor_task_alloc+0x2f0/0x2f0 [ 97.021005][ T7909] v9fs_mount+0x72/0x7f0 [ 97.025240][ T7909] ? v9fs_write_inode+0x50/0x50 [ 97.030068][ T7909] legacy_get_tree+0x103/0x1f0 [ 97.034810][ T7909] vfs_get_tree+0x8b/0x2d0 [ 97.039199][ T7909] ? capable+0x14/0x20 [ 97.043266][ T7909] do_mount+0x1270/0x1b60 [ 97.047567][ T7909] ? lock_downgrade+0x900/0x900 [ 97.052397][ T7909] ? copy_mount_string+0x20/0x20 [ 97.057321][ T7909] ? __kasan_check_write+0x14/0x20 [ 97.062410][ T7909] ? _copy_from_user+0xd6/0x110 [ 97.067243][ T7909] __x64_sys_mount+0x169/0x1c0 [ 97.071987][ T7909] do_syscall_64+0xd0/0x630 [ 97.076470][ T7909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.082337][ T7909] RIP: 0033:0x458da9 [ 97.086207][ T7909] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.105786][ T7909] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.114169][ T7909] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 97.122118][ T7909] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.130063][ T7909] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.138022][ T7909] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 97.145969][ T7909] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.153945][ T7922] CPU: 1 PID: 7922 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 97.162532][ T7922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.172586][ T7922] Call Trace: [ 97.175873][ T7922] dump_stack+0x12d/0x187 [ 97.180201][ T7922] should_fail.cold.4+0x5/0x13 [ 97.184942][ T7922] ? do_mount+0x1270/0x1b60 [ 97.189423][ T7922] ? fault_create_debugfs_attr+0x150/0x150 [ 97.195218][ T7922] ? find_held_lock+0x36/0x1d0 [ 97.199990][ T7922] should_fail_alloc_page+0x50/0x60 [ 97.205184][ T7922] __alloc_pages_nodemask+0x17f/0x890 [ 97.210550][ T7922] ? cache_grow_end+0xa8/0x190 [ 97.215309][ T7922] ? __alloc_pages_slowpath+0x2540/0x2540 [ 97.221118][ T7922] ? do_raw_spin_lock+0x132/0x2e0 [ 97.226145][ T7922] cache_grow_begin+0x92/0xca0 [ 97.230884][ T7922] ? __kmalloc+0xc5/0x790 [ 97.235196][ T7922] ? trace_hardirqs_off+0x41/0x1a0 [ 97.240286][ T7922] __kmalloc+0x6cd/0x790 [ 97.244533][ T7922] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 97.249797][ T7922] p9_fcall_init.isra.2+0x55/0x1c0 [ 97.254898][ T7922] p9_client_prepare_req.part.5+0x116/0x670 [ 97.258594][ T7929] FAULT_INJECTION: forcing a failure. [ 97.258594][ T7929] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 97.260786][ T7922] p9_client_rpc+0x174/0xe50 [ 97.278536][ T7922] ? p9_client_prepare_req.part.5+0x670/0x670 [ 97.284595][ T7922] ? p9_pollwait+0x182/0x210 [ 97.289170][ T7922] ? pipe_poll+0xc2/0x6b0 [ 97.293487][ T7922] ? ksys_dup3+0x2e0/0x2e0 [ 97.297884][ T7922] ? p9_fd_poll+0x19b/0x2a0 [ 97.302369][ T7922] ? p9_conn_create+0x399/0x4e0 [ 97.307203][ T7922] ? p9_conn_create+0x4e0/0x4e0 [ 97.312057][ T7922] p9_client_create+0x7ec/0x10e0 [ 97.316999][ T7922] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 97.323059][ T7922] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.328586][ T7922] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.334634][ T7922] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.340430][ T7922] ? __kmalloc_track_caller+0x60e/0x780 [ 97.345957][ T7922] ? __x64_sys_mount+0x169/0x1c0 [ 97.350872][ T7922] ? do_syscall_64+0xd0/0x630 [ 97.355551][ T7922] ? lockdep_init_map+0x1b6/0x6c0 [ 97.360575][ T7922] v9fs_session_init+0x1ed/0x14c0 [ 97.365576][ T7922] ? v9fs_session_init+0x1ed/0x14c0 [ 97.370864][ T7922] ? __lock_acquire+0x100f/0x4ef0 [ 97.375886][ T7922] ? find_held_lock+0x36/0x1d0 [ 97.380637][ T7922] ? v9fs_show_options+0x6c0/0x6c0 [ 97.385726][ T7922] ? __kasan_check_read+0x11/0x20 [ 97.390737][ T7922] ? v9fs_mount+0x55/0x7f0 [ 97.395138][ T7922] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.400662][ T7922] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.406704][ T7922] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.412509][ T7922] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.418031][ T7922] ? apparmor_task_alloc+0x2f0/0x2f0 [ 97.423308][ T7922] v9fs_mount+0x72/0x7f0 [ 97.427529][ T7922] ? v9fs_write_inode+0x50/0x50 [ 97.432359][ T7922] legacy_get_tree+0x103/0x1f0 [ 97.437103][ T7922] vfs_get_tree+0x8b/0x2d0 [ 97.441493][ T7922] ? capable+0x14/0x20 [ 97.445538][ T7922] do_mount+0x1270/0x1b60 [ 97.449851][ T7922] ? lock_downgrade+0x900/0x900 [ 97.454697][ T7922] ? copy_mount_string+0x20/0x20 [ 97.459617][ T7922] ? __kasan_check_write+0x14/0x20 [ 97.464829][ T7922] ? _copy_from_user+0xd6/0x110 [ 97.469680][ T7922] __x64_sys_mount+0x169/0x1c0 [ 97.474429][ T7922] do_syscall_64+0xd0/0x630 [ 97.478925][ T7922] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.484799][ T7922] RIP: 0033:0x458da9 [ 97.488692][ T7922] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.508287][ T7922] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.516678][ T7922] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 97.524629][ T7922] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.532755][ T7922] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.540704][ T7922] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 97.548769][ T7922] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.556741][ T7929] CPU: 0 PID: 7929 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 97.565325][ T7929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.575394][ T7929] Call Trace: [ 97.578677][ T7929] dump_stack+0x12d/0x187 [ 97.583011][ T7929] should_fail.cold.4+0x5/0x13 [ 97.587781][ T7929] ? do_mount+0x1270/0x1b60 [ 97.592268][ T7929] ? fault_create_debugfs_attr+0x150/0x150 [ 97.598062][ T7929] ? find_held_lock+0x36/0x1d0 [ 97.602814][ T7929] should_fail_alloc_page+0x50/0x60 [ 97.608007][ T7929] __alloc_pages_nodemask+0x17f/0x890 [ 97.613358][ T7929] ? cache_grow_end+0xa8/0x190 [ 97.618097][ T7929] ? __alloc_pages_slowpath+0x2540/0x2540 [ 97.623790][ T7929] ? do_raw_spin_lock+0x132/0x2e0 [ 97.628799][ T7929] cache_grow_begin+0x92/0xca0 [ 97.633538][ T7929] ? __kmalloc+0xc5/0x790 [ 97.637847][ T7929] ? trace_hardirqs_off+0x41/0x1a0 [ 97.642962][ T7929] __kmalloc+0x6cd/0x790 [ 97.647212][ T7929] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 97.652594][ T7929] p9_fcall_init.isra.2+0x55/0x1c0 [ 97.657688][ T7929] p9_client_prepare_req.part.5+0x116/0x670 [ 97.663579][ T7929] p9_client_rpc+0x174/0xe50 [ 97.668253][ T7929] ? p9_client_prepare_req.part.5+0x670/0x670 [ 97.674315][ T7929] ? p9_pollwait+0x182/0x210 [ 97.678888][ T7929] ? pipe_poll+0xc2/0x6b0 [ 97.683197][ T7929] ? ksys_dup3+0x2e0/0x2e0 [ 97.687595][ T7929] ? p9_fd_poll+0x19b/0x2a0 [ 97.692080][ T7929] ? p9_conn_create+0x399/0x4e0 [ 97.696930][ T7929] ? p9_conn_create+0x4e0/0x4e0 [ 97.701769][ T7929] p9_client_create+0x7ec/0x10e0 [ 97.706693][ T7929] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 97.712847][ T7929] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.718386][ T7929] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.724434][ T7929] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.730238][ T7929] ? __kmalloc_track_caller+0x60e/0x780 [ 97.735766][ T7929] ? __x64_sys_mount+0x169/0x1c0 [ 97.740684][ T7929] ? do_syscall_64+0xd0/0x630 [ 97.745349][ T7929] ? lockdep_init_map+0x1b6/0x6c0 [ 97.750362][ T7929] v9fs_session_init+0x1ed/0x14c0 [ 97.755362][ T7929] ? v9fs_session_init+0x1ed/0x14c0 [ 97.760532][ T7929] ? __lock_acquire+0x100f/0x4ef0 [ 97.765557][ T7929] ? find_held_lock+0x36/0x1d0 [ 97.770304][ T7929] ? v9fs_show_options+0x6c0/0x6c0 [ 97.775388][ T7929] ? __kasan_check_read+0x11/0x20 [ 97.780407][ T7929] ? v9fs_mount+0x55/0x7f0 [ 97.784819][ T7929] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.790351][ T7929] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.796411][ T7929] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.802212][ T7929] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.807759][ T7929] ? apparmor_task_alloc+0x2f0/0x2f0 [ 97.813027][ T7929] v9fs_mount+0x72/0x7f0 [ 97.817269][ T7929] ? v9fs_write_inode+0x50/0x50 [ 97.822101][ T7929] legacy_get_tree+0x103/0x1f0 [ 97.826846][ T7929] vfs_get_tree+0x8b/0x2d0 [ 97.831237][ T7929] ? capable+0x14/0x20 [ 97.835283][ T7929] do_mount+0x1270/0x1b60 [ 97.839602][ T7929] ? lock_downgrade+0x900/0x900 [ 97.844435][ T7929] ? copy_mount_string+0x20/0x20 [ 97.849363][ T7929] ? __kasan_check_write+0x14/0x20 [ 97.854453][ T7929] ? _copy_from_user+0xd6/0x110 [ 97.859286][ T7929] __x64_sys_mount+0x169/0x1c0 [ 97.864032][ T7929] do_syscall_64+0xd0/0x630 [ 97.868540][ T7929] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.874410][ T7929] RIP: 0033:0x458da9 [ 97.878281][ T7929] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.897982][ T7929] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.906377][ T7929] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 97.914330][ T7929] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.922280][ T7929] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.930232][ T7929] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 97.938208][ T7929] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.946185][ T7917] CPU: 1 PID: 7917 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 97.954799][ T7917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.961568][ T7933] FAULT_INJECTION: forcing a failure. [ 97.961568][ T7933] name failslab, interval 1, probability 0, space 0, times 0 [ 97.964843][ T7917] Call Trace: [ 97.964856][ T7917] dump_stack+0x12d/0x187 [ 97.984984][ T7917] should_fail.cold.4+0x5/0x13 [ 97.989818][ T7917] ? fault_create_debugfs_attr+0x150/0x150 [ 97.995601][ T7917] ? ___might_sleep+0x16b/0x2b0 [ 98.000431][ T7917] __should_failslab+0xba/0xf0 [ 98.005171][ T7917] should_failslab+0x9/0x14 [ 98.009649][ T7917] __kmalloc+0x2eb/0x790 [ 98.013870][ T7917] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 98.019135][ T7917] p9_fcall_init.isra.2+0x55/0x1c0 [ 98.024223][ T7917] p9_client_prepare_req.part.5+0x116/0x670 [ 98.030100][ T7917] p9_client_rpc+0x174/0xe50 [ 98.034692][ T7917] ? p9_client_prepare_req.part.5+0x670/0x670 [ 98.040752][ T7917] ? p9_pollwait+0x182/0x210 [ 98.045344][ T7917] ? pipe_poll+0xc2/0x6b0 [ 98.049672][ T7917] ? ksys_dup3+0x2e0/0x2e0 [ 98.054077][ T7917] ? p9_fd_poll+0x19b/0x2a0 [ 98.058560][ T7917] ? p9_conn_create+0x399/0x4e0 [ 98.063395][ T7917] ? p9_conn_create+0x4e0/0x4e0 [ 98.068266][ T7917] p9_client_create+0x7ec/0x10e0 [ 98.073195][ T7917] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.079243][ T7917] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.084781][ T7917] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.090827][ T7917] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.096641][ T7917] ? __kmalloc_track_caller+0x60e/0x780 [ 98.102168][ T7917] ? lockdep_init_map+0x1b6/0x6c0 [ 98.107197][ T7917] v9fs_session_init+0x1ed/0x14c0 [ 98.112228][ T7917] ? v9fs_session_init+0x1ed/0x14c0 [ 98.117409][ T7917] ? __lock_acquire+0x100f/0x4ef0 [ 98.122420][ T7917] ? find_held_lock+0x36/0x1d0 [ 98.127174][ T7917] ? v9fs_show_options+0x6c0/0x6c0 [ 98.132335][ T7917] ? __kasan_check_read+0x11/0x20 [ 98.137364][ T7917] ? v9fs_mount+0x55/0x7f0 [ 98.141765][ T7917] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.147286][ T7917] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.153332][ T7917] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.159126][ T7917] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.164656][ T7917] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.169933][ T7917] v9fs_mount+0x72/0x7f0 [ 98.174158][ T7917] ? v9fs_write_inode+0x50/0x50 [ 98.179024][ T7917] legacy_get_tree+0x103/0x1f0 [ 98.183785][ T7917] vfs_get_tree+0x8b/0x2d0 [ 98.188187][ T7917] ? capable+0x14/0x20 [ 98.192261][ T7917] do_mount+0x1270/0x1b60 [ 98.196660][ T7917] ? lock_downgrade+0x900/0x900 [ 98.201492][ T7917] ? copy_mount_string+0x20/0x20 [ 98.206420][ T7917] ? __kasan_check_write+0x14/0x20 [ 98.211524][ T7917] ? _copy_from_user+0xd6/0x110 [ 98.216362][ T7917] __x64_sys_mount+0x169/0x1c0 [ 98.221114][ T7917] do_syscall_64+0xd0/0x630 [ 98.225610][ T7917] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.231483][ T7917] RIP: 0033:0x458da9 [ 98.235356][ T7917] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.255007][ T7917] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 98.263421][ T7917] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 98.271391][ T7917] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 98.279340][ T7917] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 98.287304][ T7917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 98.295286][ T7917] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 98.303387][ T7933] CPU: 0 PID: 7933 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 98.311976][ T7933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.313695][ T7936] FAULT_INJECTION: forcing a failure. [ 98.313695][ T7936] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 98.322036][ T7933] Call Trace: [ 98.338507][ T7933] dump_stack+0x12d/0x187 [ 98.342826][ T7933] should_fail.cold.4+0x5/0x13 [ 98.347645][ T7933] ? stack_trace_save+0x82/0xb0 [ 98.352517][ T7933] ? fault_create_debugfs_attr+0x150/0x150 [ 98.358327][ T7933] __should_failslab+0xba/0xf0 [ 98.363082][ T7933] should_failslab+0x9/0x14 [ 98.367563][ T7933] kmem_cache_alloc+0x47/0x750 [ 98.372316][ T7933] ? __x64_sys_mount+0x169/0x1c0 [ 98.377240][ T7933] ? do_syscall_64+0xd0/0x630 [ 98.381932][ T7933] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 98.388338][ T7933] ? __kasan_check_read+0x11/0x20 [ 98.393357][ T7933] idr_get_free+0x35d/0x880 [ 98.397849][ T7933] ? __kasan_check_read+0x11/0x20 [ 98.402862][ T7933] idr_alloc_u32+0x13a/0x330 [ 98.407435][ T7933] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 98.412963][ T7933] ? mark_held_locks+0x130/0x130 [ 98.417887][ T7933] ? __kasan_check_write+0x14/0x20 [ 98.422976][ T7933] ? do_raw_spin_lock+0x132/0x2e0 [ 98.427977][ T7933] idr_alloc+0x7d/0xc0 [ 98.432043][ T7933] ? idr_alloc_u32+0x330/0x330 [ 98.436796][ T7933] p9_client_prepare_req.part.5+0x571/0x670 [ 98.442692][ T7933] p9_client_rpc+0x174/0xe50 [ 98.447268][ T7933] ? p9_client_prepare_req.part.5+0x670/0x670 [ 98.453316][ T7933] ? p9_pollwait+0x182/0x210 [ 98.457909][ T7933] ? pipe_poll+0xc2/0x6b0 [ 98.462218][ T7933] ? ksys_dup3+0x2e0/0x2e0 [ 98.466613][ T7933] ? p9_fd_poll+0x19b/0x2a0 [ 98.471122][ T7933] ? p9_conn_create+0x399/0x4e0 [ 98.475970][ T7933] ? p9_conn_create+0x4e0/0x4e0 [ 98.480808][ T7933] p9_client_create+0x7ec/0x10e0 [ 98.485729][ T7933] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.491784][ T7933] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.497414][ T7933] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.503469][ T7933] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.509264][ T7933] ? __kmalloc_track_caller+0x60e/0x780 [ 98.514795][ T7933] ? __x64_sys_mount+0x169/0x1c0 [ 98.519712][ T7933] ? do_syscall_64+0xd0/0x630 [ 98.524474][ T7933] ? lockdep_init_map+0x1b6/0x6c0 [ 98.529509][ T7933] v9fs_session_init+0x1ed/0x14c0 [ 98.534530][ T7933] ? v9fs_session_init+0x1ed/0x14c0 [ 98.539707][ T7933] ? __lock_acquire+0x100f/0x4ef0 [ 98.544712][ T7933] ? find_held_lock+0x36/0x1d0 [ 98.549463][ T7933] ? v9fs_show_options+0x6c0/0x6c0 [ 98.554553][ T7933] ? __kasan_check_read+0x11/0x20 [ 98.559555][ T7933] ? v9fs_mount+0x55/0x7f0 [ 98.563958][ T7933] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.569474][ T7933] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.575628][ T7933] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.581430][ T7933] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.586953][ T7933] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.592217][ T7933] v9fs_mount+0x72/0x7f0 [ 98.596452][ T7933] ? v9fs_write_inode+0x50/0x50 [ 98.601278][ T7933] legacy_get_tree+0x103/0x1f0 [ 98.606020][ T7933] vfs_get_tree+0x8b/0x2d0 [ 98.610408][ T7933] ? capable+0x14/0x20 [ 98.614453][ T7933] do_mount+0x1270/0x1b60 [ 98.618753][ T7933] ? lock_downgrade+0x900/0x900 [ 98.623582][ T7933] ? copy_mount_string+0x20/0x20 [ 98.628518][ T7933] ? __kasan_check_write+0x14/0x20 [ 98.633602][ T7933] ? _copy_from_user+0xd6/0x110 [ 98.638446][ T7933] __x64_sys_mount+0x169/0x1c0 [ 98.643308][ T7933] do_syscall_64+0xd0/0x630 [ 98.647803][ T7933] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.653691][ T7933] RIP: 0033:0x458da9 [ 98.657566][ T7933] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.677163][ T7933] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 98.685570][ T7933] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 98.693523][ T7933] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 98.701486][ T7933] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 98.709448][ T7933] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 98.717408][ T7933] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 98.725392][ T7936] CPU: 1 PID: 7936 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 98.733977][ T7936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.744029][ T7936] Call Trace: [ 98.747320][ T7936] dump_stack+0x12d/0x187 [ 98.751659][ T7936] should_fail.cold.4+0x5/0x13 [ 98.756415][ T7936] ? do_mount+0x1270/0x1b60 [ 98.760920][ T7936] ? fault_create_debugfs_attr+0x150/0x150 [ 98.765685][ T7938] FAULT_INJECTION: forcing a failure. [ 98.765685][ T7938] name failslab, interval 1, probability 0, space 0, times 0 [ 98.766735][ T7936] ? find_held_lock+0x36/0x1d0 [ 98.766749][ T7936] should_fail_alloc_page+0x50/0x60 [ 98.766757][ T7936] __alloc_pages_nodemask+0x17f/0x890 [ 98.794593][ T7936] ? cache_grow_end+0xa8/0x190 [ 98.799342][ T7936] ? __alloc_pages_slowpath+0x2540/0x2540 [ 98.805072][ T7936] ? do_raw_spin_lock+0x132/0x2e0 [ 98.810092][ T7936] cache_grow_begin+0x92/0xca0 [ 98.814859][ T7936] ? __kmalloc+0xc5/0x790 [ 98.819171][ T7936] ? trace_hardirqs_off+0x41/0x1a0 [ 98.824272][ T7936] __kmalloc+0x6cd/0x790 [ 98.828503][ T7936] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 98.833767][ T7936] p9_fcall_init.isra.2+0x55/0x1c0 [ 98.838865][ T7936] p9_client_prepare_req.part.5+0x116/0x670 [ 98.844740][ T7936] p9_client_rpc+0x174/0xe50 [ 98.849319][ T7936] ? p9_client_prepare_req.part.5+0x670/0x670 [ 98.855378][ T7936] ? p9_pollwait+0x182/0x210 [ 98.859959][ T7936] ? pipe_poll+0xc2/0x6b0 [ 98.864279][ T7936] ? ksys_dup3+0x2e0/0x2e0 [ 98.868687][ T7936] ? p9_fd_poll+0x19b/0x2a0 [ 98.873170][ T7936] ? p9_conn_create+0x399/0x4e0 [ 98.878001][ T7936] ? p9_conn_create+0x4e0/0x4e0 [ 98.882850][ T7936] p9_client_create+0x7ec/0x10e0 [ 98.887785][ T7936] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.893834][ T7936] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.899357][ T7936] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.905400][ T7936] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.911193][ T7936] ? __kmalloc_track_caller+0x60e/0x780 [ 98.916725][ T7936] ? __x64_sys_mount+0x169/0x1c0 [ 98.921640][ T7936] ? do_syscall_64+0xd0/0x630 [ 98.926294][ T7936] ? lockdep_init_map+0x1b6/0x6c0 [ 98.931305][ T7936] v9fs_session_init+0x1ed/0x14c0 [ 98.936306][ T7936] ? v9fs_session_init+0x1ed/0x14c0 [ 98.941479][ T7936] ? __lock_acquire+0x100f/0x4ef0 [ 98.946486][ T7936] ? find_held_lock+0x36/0x1d0 [ 98.951232][ T7936] ? v9fs_show_options+0x6c0/0x6c0 [ 98.956318][ T7936] ? __kasan_check_read+0x11/0x20 [ 98.961404][ T7936] ? v9fs_mount+0x55/0x7f0 [ 98.965845][ T7936] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.971374][ T7936] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.977418][ T7936] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.983216][ T7936] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.988752][ T7936] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.994026][ T7936] v9fs_mount+0x72/0x7f0 [ 98.998249][ T7936] ? v9fs_write_inode+0x50/0x50 [ 99.003081][ T7936] legacy_get_tree+0x103/0x1f0 [ 99.007835][ T7936] vfs_get_tree+0x8b/0x2d0 [ 99.012237][ T7936] ? capable+0x14/0x20 [ 99.016291][ T7936] do_mount+0x1270/0x1b60 [ 99.020601][ T7936] ? lock_downgrade+0x900/0x900 [ 99.025436][ T7936] ? copy_mount_string+0x20/0x20 [ 99.030361][ T7936] ? __kasan_check_write+0x14/0x20 [ 99.035463][ T7936] ? _copy_from_user+0xd6/0x110 [ 99.040302][ T7936] __x64_sys_mount+0x169/0x1c0 [ 99.045051][ T7936] do_syscall_64+0xd0/0x630 [ 99.049552][ T7936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.055425][ T7936] RIP: 0033:0x458da9 [ 99.059311][ T7936] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.078906][ T7936] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.087310][ T7936] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 99.094056][ T7943] FAULT_INJECTION: forcing a failure. [ 99.094056][ T7943] name failslab, interval 1, probability 0, space 0, times 0 [ 99.095277][ T7936] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.115795][ T7936] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 99.123741][ T7936] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 99.131687][ T7936] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.139656][ T7943] CPU: 0 PID: 7943 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 99.145932][ T7944] FAULT_INJECTION: forcing a failure. [ 99.145932][ T7944] name failslab, interval 1, probability 0, space 0, times 0 [ 99.148224][ T7943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.170847][ T7943] Call Trace: [ 99.174121][ T7943] dump_stack+0x12d/0x187 [ 99.178431][ T7943] should_fail.cold.4+0x5/0x13 [ 99.183169][ T7943] ? stack_trace_save+0x82/0xb0 [ 99.188000][ T7943] ? fault_create_debugfs_attr+0x150/0x150 [ 99.193796][ T7943] __should_failslab+0xba/0xf0 [ 99.198676][ T7943] should_failslab+0x9/0x14 [ 99.203152][ T7943] kmem_cache_alloc+0x47/0x750 [ 99.207889][ T7943] ? __x64_sys_mount+0x169/0x1c0 [ 99.212798][ T7943] ? do_syscall_64+0xd0/0x630 [ 99.217458][ T7943] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 99.223843][ T7943] ? __kasan_check_read+0x11/0x20 [ 99.228842][ T7943] idr_get_free+0x35d/0x880 [ 99.233328][ T7943] ? __kasan_check_read+0x11/0x20 [ 99.238328][ T7943] idr_alloc_u32+0x13a/0x330 [ 99.242897][ T7943] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 99.248413][ T7943] ? mark_held_locks+0x130/0x130 [ 99.253329][ T7943] ? __kasan_check_write+0x14/0x20 [ 99.258411][ T7943] ? do_raw_spin_lock+0x132/0x2e0 [ 99.263413][ T7943] idr_alloc+0x7d/0xc0 [ 99.267466][ T7943] ? idr_alloc_u32+0x330/0x330 [ 99.272213][ T7943] p9_client_prepare_req.part.5+0x571/0x670 [ 99.278087][ T7943] p9_client_rpc+0x174/0xe50 [ 99.282657][ T7943] ? p9_client_prepare_req.part.5+0x670/0x670 [ 99.288710][ T7943] ? p9_pollwait+0x182/0x210 [ 99.293278][ T7943] ? pipe_poll+0xc2/0x6b0 [ 99.297582][ T7943] ? ksys_dup3+0x2e0/0x2e0 [ 99.301977][ T7943] ? p9_fd_poll+0x19b/0x2a0 [ 99.306460][ T7943] ? p9_conn_create+0x399/0x4e0 [ 99.311289][ T7943] ? p9_conn_create+0x4e0/0x4e0 [ 99.316127][ T7943] p9_client_create+0x7ec/0x10e0 [ 99.321061][ T7943] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 99.327102][ T7943] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.332621][ T7943] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.338661][ T7943] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.344461][ T7943] ? __kmalloc_track_caller+0x60e/0x780 [ 99.349980][ T7943] ? __x64_sys_mount+0x169/0x1c0 [ 99.355235][ T7943] ? do_syscall_64+0xd0/0x630 [ 99.359884][ T7943] ? lockdep_init_map+0x1b6/0x6c0 [ 99.364905][ T7943] v9fs_session_init+0x1ed/0x14c0 [ 99.369903][ T7943] ? v9fs_session_init+0x1ed/0x14c0 [ 99.375088][ T7943] ? __lock_acquire+0x100f/0x4ef0 [ 99.380095][ T7943] ? find_held_lock+0x36/0x1d0 [ 99.384843][ T7943] ? v9fs_show_options+0x6c0/0x6c0 [ 99.389928][ T7943] ? __kasan_check_read+0x11/0x20 [ 99.394931][ T7943] ? v9fs_mount+0x55/0x7f0 [ 99.399321][ T7943] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.404840][ T7943] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.410879][ T7943] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.416663][ T7943] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.422317][ T7943] ? apparmor_task_alloc+0x2f0/0x2f0 [ 99.427605][ T7943] v9fs_mount+0x72/0x7f0 [ 99.431832][ T7943] ? v9fs_write_inode+0x50/0x50 [ 99.436682][ T7943] legacy_get_tree+0x103/0x1f0 [ 99.441432][ T7943] vfs_get_tree+0x8b/0x2d0 [ 99.445826][ T7943] ? capable+0x14/0x20 [ 99.449876][ T7943] do_mount+0x1270/0x1b60 [ 99.454183][ T7943] ? lock_downgrade+0x900/0x900 [ 99.459032][ T7943] ? copy_mount_string+0x20/0x20 [ 99.463962][ T7943] ? __kasan_check_write+0x14/0x20 [ 99.469170][ T7943] ? _copy_from_user+0xd6/0x110 [ 99.474035][ T7943] __x64_sys_mount+0x169/0x1c0 [ 99.478787][ T7943] do_syscall_64+0xd0/0x630 [ 99.483307][ T7943] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.489180][ T7943] RIP: 0033:0x458da9 [ 99.493052][ T7943] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.512646][ T7943] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.521039][ T7943] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 99.528987][ T7943] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.536934][ T7943] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 99.544895][ T7943] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 99.552843][ T7943] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.560839][ T7944] CPU: 1 PID: 7944 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 99.569426][ T7944] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.579474][ T7944] Call Trace: [ 99.582767][ T7944] dump_stack+0x12d/0x187 [ 99.587095][ T7944] should_fail.cold.4+0x5/0x13 [ 99.591837][ T7944] ? stack_trace_save+0x82/0xb0 [ 99.596679][ T7944] ? fault_create_debugfs_attr+0x150/0x150 [ 99.602486][ T7944] __should_failslab+0xba/0xf0 [ 99.607248][ T7944] should_failslab+0x9/0x14 [ 99.611741][ T7944] kmem_cache_alloc+0x47/0x750 [ 99.616495][ T7944] ? __x64_sys_mount+0x169/0x1c0 [ 99.621419][ T7944] ? do_syscall_64+0xd0/0x630 [ 99.626095][ T7944] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 99.632495][ T7944] ? __kasan_check_read+0x11/0x20 [ 99.637499][ T7944] idr_get_free+0x35d/0x880 [ 99.641996][ T7944] ? __kasan_check_read+0x11/0x20 [ 99.647007][ T7944] idr_alloc_u32+0x13a/0x330 [ 99.651580][ T7944] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 99.657104][ T7944] ? mark_held_locks+0x130/0x130 [ 99.662031][ T7944] ? __kasan_check_write+0x14/0x20 [ 99.667124][ T7944] ? do_raw_spin_lock+0x132/0x2e0 [ 99.672137][ T7944] idr_alloc+0x7d/0xc0 [ 99.676195][ T7944] ? idr_alloc_u32+0x330/0x330 [ 99.680962][ T7944] p9_client_prepare_req.part.5+0x571/0x670 [ 99.686868][ T7944] p9_client_rpc+0x174/0xe50 [ 99.691455][ T7944] ? p9_client_prepare_req.part.5+0x670/0x670 [ 99.697523][ T7944] ? p9_pollwait+0x182/0x210 [ 99.702114][ T7944] ? pipe_poll+0xc2/0x6b0 [ 99.706434][ T7944] ? ksys_dup3+0x2e0/0x2e0 [ 99.710846][ T7944] ? p9_fd_poll+0x19b/0x2a0 [ 99.715345][ T7944] ? p9_conn_create+0x399/0x4e0 [ 99.719694][ T7948] FAULT_INJECTION: forcing a failure. [ 99.719694][ T7948] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 99.720203][ T7944] ? p9_conn_create+0x4e0/0x4e0 [ 99.738354][ T7944] p9_client_create+0x7ec/0x10e0 [ 99.743284][ T7944] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 99.749332][ T7944] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.754855][ T7944] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.760909][ T7944] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.766711][ T7944] ? __kmalloc_track_caller+0x60e/0x780 [ 99.772246][ T7944] ? __x64_sys_mount+0x169/0x1c0 [ 99.777173][ T7944] ? do_syscall_64+0xd0/0x630 [ 99.781963][ T7944] ? lockdep_init_map+0x1b6/0x6c0 [ 99.786982][ T7944] v9fs_session_init+0x1ed/0x14c0 [ 99.792015][ T7944] ? v9fs_session_init+0x1ed/0x14c0 [ 99.797192][ T7944] ? __lock_acquire+0x100f/0x4ef0 [ 99.802200][ T7944] ? find_held_lock+0x36/0x1d0 [ 99.806958][ T7944] ? v9fs_show_options+0x6c0/0x6c0 [ 99.812051][ T7944] ? __kasan_check_read+0x11/0x20 [ 99.817073][ T7944] ? v9fs_mount+0x55/0x7f0 [ 99.821469][ T7944] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.827004][ T7944] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.833046][ T7944] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.838848][ T7944] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.844379][ T7944] ? apparmor_task_alloc+0x2f0/0x2f0 [ 99.849665][ T7944] v9fs_mount+0x72/0x7f0 [ 99.853892][ T7944] ? v9fs_write_inode+0x50/0x50 [ 99.858738][ T7944] legacy_get_tree+0x103/0x1f0 [ 99.863527][ T7944] vfs_get_tree+0x8b/0x2d0 [ 99.868050][ T7944] ? capable+0x14/0x20 [ 99.872105][ T7944] do_mount+0x1270/0x1b60 [ 99.876415][ T7944] ? lock_downgrade+0x900/0x900 [ 99.881268][ T7944] ? copy_mount_string+0x20/0x20 [ 99.886198][ T7944] ? __kasan_check_write+0x14/0x20 [ 99.891296][ T7944] ? _copy_from_user+0xd6/0x110 [ 99.896135][ T7944] __x64_sys_mount+0x169/0x1c0 [ 99.900882][ T7944] do_syscall_64+0xd0/0x630 [ 99.905367][ T7944] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.911250][ T7944] RIP: 0033:0x458da9 [ 99.915120][ T7944] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.934828][ T7944] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.943231][ T7944] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 99.951204][ T7944] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.959158][ T7944] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 99.967107][ T7944] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 99.975054][ T7944] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.983028][ T7948] CPU: 0 PID: 7948 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 99.991621][ T7948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.001674][ T7948] Call Trace: [ 100.004964][ T7948] dump_stack+0x12d/0x187 [ 100.009307][ T7948] should_fail.cold.4+0x5/0x13 [ 100.014061][ T7948] ? do_mount+0x1270/0x1b60 [ 100.018565][ T7948] ? fault_create_debugfs_attr+0x150/0x150 [ 100.024375][ T7948] ? find_held_lock+0x36/0x1d0 [ 100.029130][ T7948] should_fail_alloc_page+0x50/0x60 [ 100.034321][ T7948] __alloc_pages_nodemask+0x17f/0x890 [ 100.039689][ T7948] ? cache_grow_end+0xa8/0x190 [ 100.044457][ T7948] ? __alloc_pages_slowpath+0x2540/0x2540 [ 100.050167][ T7948] ? do_raw_spin_lock+0x132/0x2e0 [ 100.055212][ T7948] cache_grow_begin+0x92/0xca0 [ 100.059964][ T7948] ? __kmalloc+0xc5/0x790 [ 100.064296][ T7948] ? trace_hardirqs_off+0x41/0x1a0 [ 100.069413][ T7948] __kmalloc+0x6cd/0x790 [ 100.073647][ T7948] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 100.078922][ T7948] p9_fcall_init.isra.2+0x55/0x1c0 [ 100.084040][ T7948] p9_client_prepare_req.part.5+0x116/0x670 [ 100.089926][ T7948] p9_client_rpc+0x174/0xe50 [ 100.094526][ T7948] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.100580][ T7948] ? p9_pollwait+0x182/0x210 [ 100.105160][ T7948] ? pipe_poll+0xc2/0x6b0 [ 100.109482][ T7948] ? ksys_dup3+0x2e0/0x2e0 [ 100.113889][ T7948] ? p9_fd_poll+0x19b/0x2a0 [ 100.118379][ T7948] ? p9_conn_create+0x399/0x4e0 [ 100.123241][ T7948] ? p9_conn_create+0x4e0/0x4e0 [ 100.128089][ T7948] p9_client_create+0x7ec/0x10e0 [ 100.133023][ T7948] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.139089][ T7948] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.144620][ T7948] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.150668][ T7948] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.156481][ T7948] ? __kmalloc_track_caller+0x60e/0x780 [ 100.162013][ T7948] ? __x64_sys_mount+0x169/0x1c0 [ 100.166935][ T7948] ? do_syscall_64+0xd0/0x630 [ 100.171604][ T7948] ? lockdep_init_map+0x1b6/0x6c0 [ 100.176631][ T7948] v9fs_session_init+0x1ed/0x14c0 [ 100.181654][ T7948] ? v9fs_session_init+0x1ed/0x14c0 [ 100.186839][ T7948] ? __lock_acquire+0x100f/0x4ef0 [ 100.191888][ T7948] ? find_held_lock+0x36/0x1d0 [ 100.196653][ T7948] ? v9fs_show_options+0x6c0/0x6c0 [ 100.201749][ T7948] ? __kasan_check_read+0x11/0x20 [ 100.206765][ T7948] ? v9fs_mount+0x55/0x7f0 [ 100.211167][ T7948] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.216698][ T7948] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.222851][ T7948] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.228664][ T7948] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.234214][ T7948] ? apparmor_task_alloc+0x2f0/0x2f0 [ 100.239500][ T7948] v9fs_mount+0x72/0x7f0 [ 100.243764][ T7948] ? v9fs_write_inode+0x50/0x50 [ 100.248610][ T7948] legacy_get_tree+0x103/0x1f0 [ 100.253373][ T7948] vfs_get_tree+0x8b/0x2d0 [ 100.257777][ T7948] ? capable+0x14/0x20 [ 100.261843][ T7948] do_mount+0x1270/0x1b60 [ 100.266161][ T7948] ? lock_downgrade+0x900/0x900 [ 100.271004][ T7948] ? copy_mount_string+0x20/0x20 [ 100.275943][ T7948] ? __kasan_check_write+0x14/0x20 [ 100.281037][ T7948] ? _copy_from_user+0xd6/0x110 [ 100.285880][ T7948] __x64_sys_mount+0x169/0x1c0 [ 100.290633][ T7948] do_syscall_64+0xd0/0x630 [ 100.295128][ T7948] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.301000][ T7948] RIP: 0033:0x458da9 [ 100.304892][ T7948] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 100.324479][ T7948] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.332869][ T7948] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 100.340827][ T7948] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 100.348809][ T7948] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 100.356781][ T7948] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 100.364748][ T7948] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 100.382368][ T7938] CPU: 1 PID: 7938 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 100.390984][ T7938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.396924][ T7956] FAULT_INJECTION: forcing a failure. [ 100.396924][ T7956] name failslab, interval 1, probability 0, space 0, times 0 [ 100.401058][ T7938] Call Trace: [ 100.416932][ T7938] dump_stack+0x12d/0x187 [ 100.421273][ T7938] should_fail.cold.4+0x5/0x13 [ 100.426019][ T7938] ? fault_create_debugfs_attr+0x150/0x150 [ 100.431804][ T7938] ? ___might_sleep+0x16b/0x2b0 [ 100.436636][ T7938] __should_failslab+0xba/0xf0 [ 100.441375][ T7938] should_failslab+0x9/0x14 [ 100.445853][ T7938] __kmalloc+0x2eb/0x790 [ 100.450075][ T7938] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 100.455354][ T7938] p9_fcall_init.isra.2+0x55/0x1c0 [ 100.460443][ T7938] p9_client_prepare_req.part.5+0x116/0x670 [ 100.466321][ T7938] p9_client_rpc+0x174/0xe50 [ 100.470889][ T7938] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.476931][ T7938] ? p9_pollwait+0x182/0x210 [ 100.481499][ T7938] ? pipe_poll+0xc2/0x6b0 [ 100.485802][ T7938] ? ksys_dup3+0x2e0/0x2e0 [ 100.490320][ T7938] ? p9_fd_poll+0x19b/0x2a0 [ 100.494821][ T7938] ? p9_conn_create+0x399/0x4e0 [ 100.499673][ T7938] ? p9_conn_create+0x4e0/0x4e0 [ 100.504514][ T7938] p9_client_create+0x7ec/0x10e0 [ 100.509474][ T7938] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.515527][ T7938] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.521049][ T7938] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.527094][ T7938] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.533008][ T7938] ? __kmalloc_track_caller+0x60e/0x780 [ 100.538543][ T7938] ? __x64_sys_mount+0x169/0x1c0 [ 100.543467][ T7938] ? do_syscall_64+0xd0/0x630 [ 100.548138][ T7938] ? lockdep_init_map+0x1b6/0x6c0 [ 100.553163][ T7938] v9fs_session_init+0x1ed/0x14c0 [ 100.558182][ T7938] ? v9fs_session_init+0x1ed/0x14c0 [ 100.563361][ T7938] ? __lock_acquire+0x100f/0x4ef0 [ 100.568369][ T7938] ? find_held_lock+0x36/0x1d0 [ 100.573135][ T7938] ? v9fs_show_options+0x6c0/0x6c0 [ 100.578245][ T7938] ? __kasan_check_read+0x11/0x20 [ 100.583364][ T7938] ? v9fs_mount+0x55/0x7f0 [ 100.587768][ T7938] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.593300][ T7938] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.599350][ T7938] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.605147][ T7938] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.610675][ T7938] ? apparmor_task_alloc+0x2f0/0x2f0 [ 100.615943][ T7938] v9fs_mount+0x72/0x7f0 [ 100.620171][ T7938] ? v9fs_write_inode+0x50/0x50 [ 100.624999][ T7938] legacy_get_tree+0x103/0x1f0 [ 100.629744][ T7938] vfs_get_tree+0x8b/0x2d0 [ 100.634134][ T7938] ? capable+0x14/0x20 [ 100.638184][ T7938] do_mount+0x1270/0x1b60 [ 100.642489][ T7938] ? lock_downgrade+0x900/0x900 [ 100.647406][ T7938] ? copy_mount_string+0x20/0x20 [ 100.652331][ T7938] ? __kasan_check_write+0x14/0x20 [ 100.657420][ T7938] ? _copy_from_user+0xd6/0x110 [ 100.662253][ T7938] __x64_sys_mount+0x169/0x1c0 [ 100.667016][ T7938] do_syscall_64+0xd0/0x630 [ 100.671528][ T7938] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.677407][ T7938] RIP: 0033:0x458da9 [ 100.681283][ T7938] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 100.700878][ T7938] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.709265][ T7938] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 100.717215][ T7938] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 100.725177][ T7938] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 100.733133][ T7938] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 100.741087][ T7938] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 100.749067][ T7956] CPU: 0 PID: 7956 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 100.757655][ T7956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.759463][ T7959] FAULT_INJECTION: forcing a failure. [ 100.759463][ T7959] name failslab, interval 1, probability 0, space 0, times 0 [ 100.767721][ T7956] Call Trace: [ 100.767735][ T7956] dump_stack+0x12d/0x187 [ 100.767752][ T7956] should_fail.cold.4+0x5/0x13 [ 100.767759][ T7956] ? stack_trace_save+0x82/0xb0 [ 100.767769][ T7956] ? fault_create_debugfs_attr+0x150/0x150 [ 100.767789][ T7956] __should_failslab+0xba/0xf0 [ 100.808062][ T7956] should_failslab+0x9/0x14 [ 100.812549][ T7956] kmem_cache_alloc+0x47/0x750 [ 100.817296][ T7956] ? __x64_sys_mount+0x169/0x1c0 [ 100.822210][ T7956] ? do_syscall_64+0xd0/0x630 [ 100.826891][ T7956] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.833281][ T7956] ? __kasan_check_read+0x11/0x20 [ 100.838298][ T7956] idr_get_free+0x35d/0x880 [ 100.842782][ T7956] ? __kasan_check_read+0x11/0x20 [ 100.847792][ T7956] idr_alloc_u32+0x13a/0x330 [ 100.852378][ T7956] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 100.857930][ T7956] ? mark_held_locks+0x130/0x130 [ 100.862863][ T7956] ? __kasan_check_write+0x14/0x20 [ 100.867961][ T7956] ? do_raw_spin_lock+0x132/0x2e0 [ 100.872993][ T7956] idr_alloc+0x7d/0xc0 [ 100.877059][ T7956] ? idr_alloc_u32+0x330/0x330 [ 100.881814][ T7956] p9_client_prepare_req.part.5+0x571/0x670 [ 100.887711][ T7956] p9_client_rpc+0x174/0xe50 [ 100.892282][ T7956] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.898329][ T7956] ? p9_pollwait+0x182/0x210 [ 100.902900][ T7956] ? pipe_poll+0xc2/0x6b0 [ 100.907217][ T7956] ? ksys_dup3+0x2e0/0x2e0 [ 100.911611][ T7956] ? p9_fd_poll+0x19b/0x2a0 [ 100.916091][ T7956] ? p9_conn_create+0x399/0x4e0 [ 100.920937][ T7956] ? p9_conn_create+0x4e0/0x4e0 [ 100.925784][ T7956] p9_client_create+0x7ec/0x10e0 [ 100.930723][ T7956] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.936775][ T7956] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.942303][ T7956] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.948348][ T7956] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.954140][ T7956] ? __kmalloc_track_caller+0x60e/0x780 [ 100.959681][ T7956] ? __x64_sys_mount+0x169/0x1c0 [ 100.964615][ T7956] ? do_syscall_64+0xd0/0x630 [ 100.969264][ T7956] ? lockdep_init_map+0x1b6/0x6c0 [ 100.974275][ T7956] v9fs_session_init+0x1ed/0x14c0 [ 100.979290][ T7956] ? v9fs_session_init+0x1ed/0x14c0 [ 100.984476][ T7956] ? __lock_acquire+0x100f/0x4ef0 [ 100.989565][ T7956] ? find_held_lock+0x36/0x1d0 [ 100.994316][ T7956] ? v9fs_show_options+0x6c0/0x6c0 [ 100.999406][ T7956] ? __kasan_check_read+0x11/0x20 [ 101.004425][ T7956] ? v9fs_mount+0x55/0x7f0 [ 101.008818][ T7956] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.014350][ T7956] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.020399][ T7956] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.026305][ T7956] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.031837][ T7956] ? apparmor_task_alloc+0x2f0/0x2f0 [ 101.037110][ T7956] v9fs_mount+0x72/0x7f0 [ 101.041361][ T7956] ? v9fs_write_inode+0x50/0x50 [ 101.046192][ T7956] legacy_get_tree+0x103/0x1f0 [ 101.050939][ T7956] vfs_get_tree+0x8b/0x2d0 [ 101.055327][ T7956] ? capable+0x14/0x20 [ 101.059381][ T7956] do_mount+0x1270/0x1b60 [ 101.063688][ T7956] ? lock_downgrade+0x900/0x900 [ 101.068521][ T7956] ? copy_mount_string+0x20/0x20 [ 101.073458][ T7956] ? __kasan_check_write+0x14/0x20 [ 101.078550][ T7956] ? _copy_from_user+0xd6/0x110 [ 101.083386][ T7956] __x64_sys_mount+0x169/0x1c0 [ 101.088134][ T7956] do_syscall_64+0xd0/0x630 [ 101.092619][ T7956] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.098490][ T7956] RIP: 0033:0x458da9 [ 101.102362][ T7956] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 101.121955][ T7956] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2020/03/22 08:54:18 executed programs: 107 [ 101.130351][ T7956] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 101.138301][ T7956] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.146270][ T7956] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.154218][ T7956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 101.162165][ T7956] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.170140][ T7959] CPU: 1 PID: 7959 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 101.174588][ T7962] FAULT_INJECTION: forcing a failure. [ 101.174588][ T7962] name failslab, interval 1, probability 0, space 0, times 0 [ 101.178724][ T7959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.178728][ T7959] Call Trace: [ 101.178739][ T7959] dump_stack+0x12d/0x187 [ 101.178757][ T7959] should_fail.cold.4+0x5/0x13 [ 101.213716][ T7959] ? fault_create_debugfs_attr+0x150/0x150 [ 101.219789][ T7959] ? ___might_sleep+0x16b/0x2b0 [ 101.224642][ T7959] __should_failslab+0xba/0xf0 [ 101.229392][ T7959] should_failslab+0x9/0x14 [ 101.233894][ T7959] __kmalloc+0x2eb/0x790 [ 101.238134][ T7959] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 101.243406][ T7959] p9_fcall_init.isra.2+0x55/0x1c0 [ 101.248504][ T7959] p9_client_prepare_req.part.5+0x116/0x670 [ 101.254380][ T7959] p9_client_rpc+0x174/0xe50 [ 101.258953][ T7959] ? p9_client_prepare_req.part.5+0x670/0x670 [ 101.265020][ T7959] ? p9_pollwait+0x182/0x210 [ 101.269591][ T7959] ? pipe_poll+0xc2/0x6b0 [ 101.273900][ T7959] ? ksys_dup3+0x2e0/0x2e0 [ 101.278312][ T7959] ? p9_fd_poll+0x19b/0x2a0 [ 101.282795][ T7959] ? p9_conn_create+0x399/0x4e0 [ 101.287626][ T7959] ? p9_conn_create+0x4e0/0x4e0 [ 101.292471][ T7959] p9_client_create+0x7ec/0x10e0 [ 101.297399][ T7959] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 101.303442][ T7959] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.308963][ T7959] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.315005][ T7959] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.320802][ T7959] ? __kmalloc_track_caller+0x60e/0x780 [ 101.326419][ T7959] ? __x64_sys_mount+0x169/0x1c0 [ 101.331481][ T7959] ? do_syscall_64+0xd0/0x630 [ 101.336168][ T7959] ? lockdep_init_map+0x1b6/0x6c0 [ 101.341205][ T7959] v9fs_session_init+0x1ed/0x14c0 [ 101.346218][ T7959] ? v9fs_session_init+0x1ed/0x14c0 [ 101.351413][ T7959] ? cache_grow_end+0xa8/0x190 [ 101.356166][ T7959] ? lock_downgrade+0x900/0x900 [ 101.361000][ T7959] ? __kasan_check_write+0x14/0x20 [ 101.366117][ T7959] ? v9fs_show_options+0x6c0/0x6c0 [ 101.371210][ T7959] ? __kasan_check_read+0x11/0x20 [ 101.376232][ T7959] ? v9fs_mount+0x55/0x7f0 [ 101.380633][ T7959] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.386162][ T7959] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.392213][ T7959] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.398030][ T7959] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.403561][ T7959] v9fs_mount+0x72/0x7f0 [ 101.407808][ T7959] ? v9fs_write_inode+0x50/0x50 [ 101.412659][ T7959] legacy_get_tree+0x103/0x1f0 [ 101.417434][ T7959] vfs_get_tree+0x8b/0x2d0 [ 101.421835][ T7959] ? capable+0x14/0x20 [ 101.425887][ T7959] do_mount+0x1270/0x1b60 [ 101.430215][ T7959] ? lock_downgrade+0x900/0x900 [ 101.435053][ T7959] ? copy_mount_string+0x20/0x20 [ 101.439980][ T7959] ? __kasan_check_write+0x14/0x20 [ 101.445073][ T7959] ? _copy_from_user+0xd6/0x110 [ 101.449907][ T7959] __x64_sys_mount+0x169/0x1c0 [ 101.454671][ T7959] do_syscall_64+0xd0/0x630 [ 101.459162][ T7959] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.465040][ T7959] RIP: 0033:0x458da9 [ 101.468933][ T7959] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 101.488521][ T7959] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.496911][ T7959] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 101.504983][ T7959] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.512969][ T7959] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.520934][ T7959] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 101.528953][ T7959] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.536962][ T7962] CPU: 0 PID: 7962 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 101.545558][ T7962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.555622][ T7962] Call Trace: [ 101.556363][ T7965] FAULT_INJECTION: forcing a failure. [ 101.556363][ T7965] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 101.558902][ T7962] dump_stack+0x12d/0x187 [ 101.576542][ T7962] should_fail.cold.4+0x5/0x13 [ 101.581292][ T7962] ? fault_create_debugfs_attr+0x150/0x150 [ 101.587091][ T7962] ? ___might_sleep+0x16b/0x2b0 [ 101.591928][ T7962] __should_failslab+0xba/0xf0 [ 101.596674][ T7962] should_failslab+0x9/0x14 [ 101.601153][ T7962] __kmalloc+0x2eb/0x790 [ 101.605406][ T7962] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 101.610675][ T7962] ? kmem_cache_alloc+0x376/0x750 [ 101.615698][ T7962] p9_fcall_init.isra.2+0x55/0x1c0 [ 101.620793][ T7962] p9_client_prepare_req.part.5+0x96/0x670 [ 101.626586][ T7962] p9_client_rpc+0x174/0xe50 [ 101.631189][ T7962] ? p9_client_prepare_req.part.5+0x670/0x670 [ 101.637243][ T7962] ? p9_pollwait+0x182/0x210 [ 101.641833][ T7962] ? pipe_poll+0xc2/0x6b0 [ 101.646167][ T7962] ? ksys_dup3+0x2e0/0x2e0 [ 101.650571][ T7962] ? p9_fd_poll+0x19b/0x2a0 [ 101.655077][ T7962] ? p9_conn_create+0x399/0x4e0 [ 101.659921][ T7962] ? p9_conn_create+0x4e0/0x4e0 [ 101.664768][ T7962] p9_client_create+0x7ec/0x10e0 [ 101.669703][ T7962] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 101.675760][ T7962] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.681286][ T7962] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.687417][ T7962] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.693207][ T7962] ? __kmalloc_track_caller+0x60e/0x780 [ 101.698736][ T7962] ? __x64_sys_mount+0x169/0x1c0 [ 101.703649][ T7962] ? do_syscall_64+0xd0/0x630 [ 101.708303][ T7962] ? lockdep_init_map+0x1b6/0x6c0 [ 101.713314][ T7962] v9fs_session_init+0x1ed/0x14c0 [ 101.718313][ T7962] ? v9fs_session_init+0x1ed/0x14c0 [ 101.723497][ T7962] ? __lock_acquire+0x100f/0x4ef0 [ 101.728508][ T7962] ? find_held_lock+0x36/0x1d0 [ 101.733263][ T7962] ? v9fs_show_options+0x6c0/0x6c0 [ 101.738368][ T7962] ? __kasan_check_read+0x11/0x20 [ 101.743379][ T7962] ? v9fs_mount+0x55/0x7f0 [ 101.747796][ T7962] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.753341][ T7962] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.759390][ T7962] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.765182][ T7962] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.770715][ T7962] ? apparmor_task_alloc+0x2f0/0x2f0 [ 101.776000][ T7962] v9fs_mount+0x72/0x7f0 [ 101.780238][ T7962] ? v9fs_write_inode+0x50/0x50 [ 101.785064][ T7962] legacy_get_tree+0x103/0x1f0 [ 101.789808][ T7962] vfs_get_tree+0x8b/0x2d0 [ 101.794197][ T7962] ? capable+0x14/0x20 [ 101.798243][ T7962] do_mount+0x1270/0x1b60 [ 101.802548][ T7962] ? lock_downgrade+0x900/0x900 [ 101.807385][ T7962] ? copy_mount_string+0x20/0x20 [ 101.812325][ T7962] ? __kasan_check_write+0x14/0x20 [ 101.817424][ T7962] ? _copy_from_user+0xd6/0x110 [ 101.822268][ T7962] __x64_sys_mount+0x169/0x1c0 [ 101.827010][ T7962] do_syscall_64+0xd0/0x630 [ 101.831504][ T7962] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.837380][ T7962] RIP: 0033:0x458da9 [ 101.841250][ T7962] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 101.860858][ T7962] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.869363][ T7962] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 101.877317][ T7962] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.885266][ T7962] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.893218][ T7962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 101.901173][ T7962] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.909148][ T7965] CPU: 1 PID: 7965 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 101.917736][ T7965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.927752][ T7968] FAULT_INJECTION: forcing a failure. [ 101.927752][ T7968] name failslab, interval 1, probability 0, space 0, times 0 [ 101.927786][ T7965] Call Trace: [ 101.943649][ T7965] dump_stack+0x12d/0x187 [ 101.947963][ T7965] should_fail.cold.4+0x5/0x13 [ 101.952719][ T7965] ? do_mount+0x1270/0x1b60 [ 101.957199][ T7965] ? fault_create_debugfs_attr+0x150/0x150 [ 101.962985][ T7965] ? find_held_lock+0x36/0x1d0 [ 101.967743][ T7965] should_fail_alloc_page+0x50/0x60 [ 101.972914][ T7965] __alloc_pages_nodemask+0x17f/0x890 [ 101.978258][ T7965] ? cache_grow_end+0xa8/0x190 [ 101.982997][ T7965] ? __alloc_pages_slowpath+0x2540/0x2540 [ 101.988830][ T7965] ? do_raw_spin_lock+0x132/0x2e0 [ 101.993850][ T7965] cache_grow_begin+0x92/0xca0 [ 101.998600][ T7965] ? __kmalloc+0xc5/0x790 [ 102.002918][ T7965] ? trace_hardirqs_off+0x41/0x1a0 [ 102.008018][ T7965] __kmalloc+0x6cd/0x790 [ 102.012248][ T7965] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 102.017517][ T7965] p9_fcall_init.isra.2+0x55/0x1c0 [ 102.022608][ T7965] p9_client_prepare_req.part.5+0x116/0x670 [ 102.028496][ T7965] p9_client_rpc+0x174/0xe50 [ 102.033082][ T7965] ? p9_client_prepare_req.part.5+0x670/0x670 [ 102.039126][ T7965] ? p9_pollwait+0x182/0x210 [ 102.043714][ T7965] ? pipe_poll+0xc2/0x6b0 [ 102.048016][ T7965] ? ksys_dup3+0x2e0/0x2e0 [ 102.052411][ T7965] ? p9_fd_poll+0x19b/0x2a0 [ 102.056888][ T7965] ? p9_conn_create+0x399/0x4e0 [ 102.061718][ T7965] ? p9_conn_create+0x4e0/0x4e0 [ 102.066554][ T7965] p9_client_create+0x7ec/0x10e0 [ 102.071487][ T7965] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 102.077528][ T7965] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.083050][ T7965] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.089090][ T7965] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.094895][ T7965] ? __kmalloc_track_caller+0x60e/0x780 [ 102.100435][ T7965] ? __x64_sys_mount+0x169/0x1c0 [ 102.105375][ T7965] ? do_syscall_64+0xd0/0x630 [ 102.110034][ T7965] ? lockdep_init_map+0x1b6/0x6c0 [ 102.115072][ T7965] v9fs_session_init+0x1ed/0x14c0 [ 102.120079][ T7965] ? v9fs_session_init+0x1ed/0x14c0 [ 102.125257][ T7965] ? __lock_acquire+0x100f/0x4ef0 [ 102.130264][ T7965] ? find_held_lock+0x36/0x1d0 [ 102.135013][ T7965] ? v9fs_show_options+0x6c0/0x6c0 [ 102.140117][ T7965] ? __kasan_check_read+0x11/0x20 [ 102.145119][ T7965] ? v9fs_mount+0x55/0x7f0 [ 102.149510][ T7965] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.155032][ T7965] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.161081][ T7965] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.166866][ T7965] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.172388][ T7965] ? apparmor_task_alloc+0x2f0/0x2f0 [ 102.177651][ T7965] v9fs_mount+0x72/0x7f0 [ 102.181890][ T7965] ? v9fs_write_inode+0x50/0x50 [ 102.186737][ T7965] legacy_get_tree+0x103/0x1f0 [ 102.191507][ T7965] vfs_get_tree+0x8b/0x2d0 [ 102.195920][ T7965] ? capable+0x14/0x20 [ 102.199988][ T7965] do_mount+0x1270/0x1b60 [ 102.204316][ T7965] ? lock_downgrade+0x900/0x900 [ 102.209169][ T7965] ? copy_mount_string+0x20/0x20 [ 102.214103][ T7965] ? __kasan_check_write+0x14/0x20 [ 102.221196][ T7965] ? _copy_from_user+0xd6/0x110 [ 102.226038][ T7965] __x64_sys_mount+0x169/0x1c0 [ 102.230786][ T7965] do_syscall_64+0xd0/0x630 [ 102.235283][ T7965] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.241151][ T7965] RIP: 0033:0x458da9 [ 102.245020][ T7965] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.264600][ T7965] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.272985][ T7965] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 102.280951][ T7965] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 102.288911][ T7965] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 102.296864][ T7965] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 102.304813][ T7965] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 102.312792][ T7968] CPU: 0 PID: 7968 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 102.321375][ T7968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.331427][ T7968] Call Trace: [ 102.334706][ T7968] dump_stack+0x12d/0x187 [ 102.339029][ T7968] should_fail.cold.4+0x5/0x13 [ 102.343788][ T7968] ? stack_trace_save+0x82/0xb0 [ 102.348641][ T7968] ? fault_create_debugfs_attr+0x150/0x150 [ 102.354458][ T7968] __should_failslab+0xba/0xf0 [ 102.359219][ T7968] should_failslab+0x9/0x14 [ 102.363732][ T7968] kmem_cache_alloc+0x47/0x750 [ 102.368482][ T7968] ? __x64_sys_mount+0x169/0x1c0 [ 102.373424][ T7968] ? do_syscall_64+0xd0/0x630 [ 102.378098][ T7968] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 102.384518][ T7968] ? __kasan_check_read+0x11/0x20 [ 102.389549][ T7968] idr_get_free+0x35d/0x880 [ 102.394048][ T7968] ? __kasan_check_read+0x11/0x20 [ 102.399072][ T7968] idr_alloc_u32+0x13a/0x330 [ 102.403665][ T7968] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 102.409198][ T7968] ? mark_held_locks+0x130/0x130 [ 102.414134][ T7968] ? __kasan_check_write+0x14/0x20 [ 102.419250][ T7968] ? do_raw_spin_lock+0x132/0x2e0 [ 102.424273][ T7968] idr_alloc+0x7d/0xc0 [ 102.428333][ T7968] ? idr_alloc_u32+0x330/0x330 [ 102.433095][ T7968] p9_client_prepare_req.part.5+0x571/0x670 [ 102.438984][ T7968] p9_client_rpc+0x174/0xe50 [ 102.443572][ T7968] ? p9_client_prepare_req.part.5+0x670/0x670 [ 102.449630][ T7968] ? p9_pollwait+0x182/0x210 [ 102.454211][ T7968] ? pipe_poll+0xc2/0x6b0 [ 102.458541][ T7968] ? ksys_dup3+0x2e0/0x2e0 [ 102.462944][ T7968] ? p9_fd_poll+0x19b/0x2a0 [ 102.467437][ T7968] ? p9_conn_create+0x399/0x4e0 [ 102.472294][ T7968] ? p9_conn_create+0x4e0/0x4e0 [ 102.477167][ T7968] p9_client_create+0x7ec/0x10e0 [ 102.482102][ T7968] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 102.488159][ T7968] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.493687][ T7968] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.499735][ T7968] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.505639][ T7968] ? __kmalloc_track_caller+0x60e/0x780 [ 102.511193][ T7968] ? __x64_sys_mount+0x169/0x1c0 [ 102.516122][ T7968] ? do_syscall_64+0xd0/0x630 [ 102.520783][ T7968] ? lockdep_init_map+0x1b6/0x6c0 [ 102.525810][ T7968] v9fs_session_init+0x1ed/0x14c0 [ 102.530822][ T7968] ? v9fs_session_init+0x1ed/0x14c0 [ 102.536035][ T7968] ? __lock_acquire+0x100f/0x4ef0 [ 102.541047][ T7968] ? find_held_lock+0x36/0x1d0 [ 102.545926][ T7968] ? v9fs_show_options+0x6c0/0x6c0 [ 102.551044][ T7968] ? __kasan_check_read+0x11/0x20 [ 102.556069][ T7968] ? v9fs_mount+0x55/0x7f0 [ 102.560480][ T7968] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.566060][ T7968] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.572214][ T7968] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.578019][ T7968] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.583555][ T7968] ? apparmor_task_alloc+0x2f0/0x2f0 [ 102.588860][ T7968] v9fs_mount+0x72/0x7f0 [ 102.593114][ T7968] ? v9fs_write_inode+0x50/0x50 [ 102.597955][ T7968] legacy_get_tree+0x103/0x1f0 [ 102.602719][ T7968] vfs_get_tree+0x8b/0x2d0 [ 102.607123][ T7968] ? capable+0x14/0x20 [ 102.611186][ T7968] do_mount+0x1270/0x1b60 [ 102.615511][ T7968] ? lock_downgrade+0x900/0x900 [ 102.620383][ T7968] ? copy_mount_string+0x20/0x20 [ 102.625434][ T7968] ? __kasan_check_write+0x14/0x20 [ 102.630550][ T7968] ? _copy_from_user+0xd6/0x110 [ 102.635414][ T7968] __x64_sys_mount+0x169/0x1c0 [ 102.640182][ T7968] do_syscall_64+0xd0/0x630 [ 102.644802][ T7968] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.650680][ T7968] RIP: 0033:0x458da9 [ 102.654573][ T7968] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.674175][ T7968] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.682591][ T7968] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 102.690561][ T7968] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 102.698536][ T7968] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 102.706582][ T7968] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 102.714577][ T7968] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 102.745167][ T7977] FAULT_INJECTION: forcing a failure. [ 102.745167][ T7977] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 102.754413][ T7979] FAULT_INJECTION: forcing a failure. [ 102.754413][ T7979] name failslab, interval 1, probability 0, space 0, times 0 [ 102.758391][ T7977] CPU: 0 PID: 7977 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 102.758395][ T7977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.758398][ T7977] Call Trace: [ 102.758411][ T7977] dump_stack+0x12d/0x187 [ 102.758427][ T7977] should_fail.cold.4+0x5/0x13 [ 102.758433][ T7977] ? do_mount+0x1270/0x1b60 [ 102.758442][ T7977] ? fault_create_debugfs_attr+0x150/0x150 [ 102.789778][ T7983] FAULT_INJECTION: forcing a failure. [ 102.789778][ T7983] name failslab, interval 1, probability 0, space 0, times 0 [ 102.792958][ T7977] ? find_held_lock+0x36/0x1d0 [ 102.792973][ T7977] should_fail_alloc_page+0x50/0x60 [ 102.792979][ T7977] __alloc_pages_nodemask+0x17f/0x890 [ 102.792987][ T7977] ? cache_grow_end+0xa8/0x190 [ 102.792995][ T7977] ? __alloc_pages_slowpath+0x2540/0x2540 [ 102.793001][ T7977] ? do_raw_spin_lock+0x132/0x2e0 [ 102.793023][ T7977] cache_grow_begin+0x92/0xca0 [ 102.793027][ T7977] ? __kmalloc+0xc5/0x790 [ 102.793037][ T7977] ? trace_hardirqs_off+0x41/0x1a0 [ 102.869933][ T7977] __kmalloc+0x6cd/0x790 [ 102.874164][ T7977] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 102.879708][ T7977] p9_fcall_init.isra.2+0x55/0x1c0 [ 102.884810][ T7977] p9_client_prepare_req.part.5+0x116/0x670 [ 102.890703][ T7977] p9_client_rpc+0x174/0xe50 [ 102.895283][ T7977] ? p9_client_prepare_req.part.5+0x670/0x670 [ 102.901338][ T7977] ? p9_pollwait+0x182/0x210 [ 102.905927][ T7977] ? pipe_poll+0xc2/0x6b0 [ 102.910255][ T7977] ? ksys_dup3+0x2e0/0x2e0 [ 102.914666][ T7977] ? p9_fd_poll+0x19b/0x2a0 [ 102.920110][ T7977] ? p9_conn_create+0x399/0x4e0 [ 102.925060][ T7977] ? p9_conn_create+0x4e0/0x4e0 [ 102.929906][ T7977] p9_client_create+0x7ec/0x10e0 [ 102.934832][ T7977] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 102.940889][ T7977] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.946423][ T7977] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.952476][ T7977] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.958271][ T7977] ? __kmalloc_track_caller+0x60e/0x780 [ 102.964208][ T7977] ? __x64_sys_mount+0x169/0x1c0 [ 102.969136][ T7977] ? do_syscall_64+0xd0/0x630 [ 102.973789][ T7977] ? lockdep_init_map+0x1b6/0x6c0 [ 102.978799][ T7977] v9fs_session_init+0x1ed/0x14c0 [ 102.983801][ T7977] ? v9fs_session_init+0x1ed/0x14c0 [ 102.988974][ T7977] ? __lock_acquire+0x100f/0x4ef0 [ 102.994020][ T7977] ? find_held_lock+0x36/0x1d0 [ 102.998799][ T7977] ? v9fs_show_options+0x6c0/0x6c0 [ 103.004012][ T7977] ? __kasan_check_read+0x11/0x20 [ 103.009034][ T7977] ? v9fs_mount+0x55/0x7f0 [ 103.013433][ T7977] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.018966][ T7977] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.025021][ T7977] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.030817][ T7977] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.036340][ T7977] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.041614][ T7977] v9fs_mount+0x72/0x7f0 [ 103.045842][ T7977] ? v9fs_write_inode+0x50/0x50 [ 103.050685][ T7977] legacy_get_tree+0x103/0x1f0 [ 103.055436][ T7977] vfs_get_tree+0x8b/0x2d0 [ 103.060523][ T7977] ? capable+0x14/0x20 [ 103.064598][ T7977] do_mount+0x1270/0x1b60 [ 103.068914][ T7977] ? lock_downgrade+0x900/0x900 [ 103.073771][ T7977] ? copy_mount_string+0x20/0x20 [ 103.078718][ T7977] ? __kasan_check_write+0x14/0x20 [ 103.083814][ T7977] ? _copy_from_user+0xd6/0x110 [ 103.088651][ T7977] __x64_sys_mount+0x169/0x1c0 [ 103.093427][ T7977] do_syscall_64+0xd0/0x630 [ 103.097925][ T7977] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.103796][ T7977] RIP: 0033:0x458da9 [ 103.107676][ T7977] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.127277][ T7977] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 103.135678][ T7977] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 103.143629][ T7977] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 103.151581][ T7977] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.159527][ T7977] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 103.167492][ T7977] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.175461][ T7983] CPU: 1 PID: 7983 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 103.184079][ T7983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.194130][ T7983] Call Trace: [ 103.197417][ T7983] dump_stack+0x12d/0x187 [ 103.201750][ T7983] should_fail.cold.4+0x5/0x13 [ 103.206512][ T7983] ? fault_create_debugfs_attr+0x150/0x150 [ 103.212425][ T7983] ? ___might_sleep+0x16b/0x2b0 [ 103.217280][ T7983] __should_failslab+0xba/0xf0 [ 103.222040][ T7983] should_failslab+0x9/0x14 [ 103.225745][ T7989] FAULT_INJECTION: forcing a failure. [ 103.225745][ T7989] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 103.226531][ T7983] __kmalloc+0x2eb/0x790 [ 103.243932][ T7983] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 103.249199][ T7983] p9_fcall_init.isra.2+0x55/0x1c0 [ 103.254308][ T7983] p9_client_prepare_req.part.5+0x116/0x670 [ 103.260204][ T7983] p9_client_rpc+0x174/0xe50 [ 103.264804][ T7983] ? p9_client_prepare_req.part.5+0x670/0x670 [ 103.270856][ T7983] ? p9_pollwait+0x182/0x210 [ 103.275429][ T7983] ? pipe_poll+0xc2/0x6b0 [ 103.279737][ T7983] ? ksys_dup3+0x2e0/0x2e0 [ 103.284145][ T7983] ? p9_fd_poll+0x19b/0x2a0 [ 103.288627][ T7983] ? p9_conn_create+0x399/0x4e0 [ 103.293458][ T7983] ? p9_conn_create+0x4e0/0x4e0 [ 103.298310][ T7983] p9_client_create+0x7ec/0x10e0 [ 103.303235][ T7983] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 103.309278][ T7983] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.314820][ T7983] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.320875][ T7983] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.326668][ T7983] ? __kmalloc_track_caller+0x60e/0x780 [ 103.332210][ T7983] ? __x64_sys_mount+0x169/0x1c0 [ 103.337147][ T7983] ? do_syscall_64+0xd0/0x630 [ 103.341798][ T7983] ? lockdep_init_map+0x1b6/0x6c0 [ 103.346808][ T7983] v9fs_session_init+0x1ed/0x14c0 [ 103.351809][ T7983] ? v9fs_session_init+0x1ed/0x14c0 [ 103.356980][ T7983] ? __lock_acquire+0x100f/0x4ef0 [ 103.361982][ T7983] ? find_held_lock+0x36/0x1d0 [ 103.366730][ T7983] ? v9fs_show_options+0x6c0/0x6c0 [ 103.371828][ T7983] ? __kasan_check_read+0x11/0x20 [ 103.376832][ T7983] ? v9fs_mount+0x55/0x7f0 [ 103.381224][ T7983] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.386742][ T7983] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.392781][ T7983] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.398565][ T7983] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.404089][ T7983] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.409352][ T7983] v9fs_mount+0x72/0x7f0 [ 103.413573][ T7983] ? v9fs_write_inode+0x50/0x50 [ 103.418398][ T7983] legacy_get_tree+0x103/0x1f0 [ 103.423138][ T7983] vfs_get_tree+0x8b/0x2d0 [ 103.427530][ T7983] ? capable+0x14/0x20 [ 103.431577][ T7983] do_mount+0x1270/0x1b60 [ 103.435880][ T7983] ? lock_downgrade+0x900/0x900 [ 103.440708][ T7983] ? copy_mount_string+0x20/0x20 [ 103.445630][ T7983] ? __kasan_check_write+0x14/0x20 [ 103.450715][ T7983] ? _copy_from_user+0xd6/0x110 [ 103.455550][ T7983] __x64_sys_mount+0x169/0x1c0 [ 103.460293][ T7983] do_syscall_64+0xd0/0x630 [ 103.464821][ T7983] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.470702][ T7983] RIP: 0033:0x458da9 [ 103.474585][ T7983] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.494282][ T7983] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 103.502681][ T7983] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 103.510635][ T7983] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 103.518607][ T7983] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.526559][ T7983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 103.534523][ T7983] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.542498][ T7989] CPU: 0 PID: 7989 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 103.551114][ T7989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.558448][ T7993] FAULT_INJECTION: forcing a failure. [ 103.558448][ T7993] name failslab, interval 1, probability 0, space 0, times 0 [ 103.561162][ T7989] Call Trace: [ 103.561175][ T7989] dump_stack+0x12d/0x187 [ 103.561191][ T7989] should_fail.cold.4+0x5/0x13 [ 103.561197][ T7989] ? do_mount+0x1270/0x1b60 [ 103.561207][ T7989] ? fault_create_debugfs_attr+0x150/0x150 [ 103.561217][ T7989] ? find_held_lock+0x36/0x1d0 [ 103.561231][ T7989] should_fail_alloc_page+0x50/0x60 [ 103.573952][ T7991] FAULT_INJECTION: forcing a failure. [ 103.573952][ T7991] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 103.577062][ T7989] __alloc_pages_nodemask+0x17f/0x890 [ 103.624762][ T7989] ? cache_grow_end+0xa8/0x190 [ 103.629504][ T7989] ? __alloc_pages_slowpath+0x2540/0x2540 [ 103.635226][ T7989] ? do_raw_spin_lock+0x132/0x2e0 [ 103.640238][ T7989] cache_grow_begin+0x92/0xca0 [ 103.645004][ T7989] ? __kmalloc+0xc5/0x790 [ 103.649313][ T7989] ? trace_hardirqs_off+0x41/0x1a0 [ 103.654403][ T7989] __kmalloc+0x6cd/0x790 [ 103.658630][ T7989] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 103.663892][ T7989] p9_fcall_init.isra.2+0x55/0x1c0 [ 103.669009][ T7989] p9_client_prepare_req.part.5+0x116/0x670 [ 103.674900][ T7989] p9_client_rpc+0x174/0xe50 [ 103.679481][ T7989] ? p9_client_prepare_req.part.5+0x670/0x670 [ 103.685538][ T7989] ? p9_pollwait+0x182/0x210 [ 103.690115][ T7989] ? pipe_poll+0xc2/0x6b0 [ 103.694427][ T7989] ? ksys_dup3+0x2e0/0x2e0 [ 103.698821][ T7989] ? p9_fd_poll+0x19b/0x2a0 [ 103.703320][ T7989] ? p9_conn_create+0x399/0x4e0 [ 103.708181][ T7989] ? p9_conn_create+0x4e0/0x4e0 [ 103.713033][ T7989] p9_client_create+0x7ec/0x10e0 [ 103.717972][ T7989] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 103.724035][ T7989] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.729563][ T7989] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.735607][ T7989] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.741396][ T7989] ? __kmalloc_track_caller+0x60e/0x780 [ 103.746915][ T7989] ? __x64_sys_mount+0x169/0x1c0 [ 103.751825][ T7989] ? do_syscall_64+0xd0/0x630 [ 103.756496][ T7989] ? lockdep_init_map+0x1b6/0x6c0 [ 103.762145][ T7989] v9fs_session_init+0x1ed/0x14c0 [ 103.767164][ T7989] ? v9fs_session_init+0x1ed/0x14c0 [ 103.772340][ T7989] ? __lock_acquire+0x100f/0x4ef0 [ 103.777361][ T7989] ? find_held_lock+0x36/0x1d0 [ 103.782117][ T7989] ? v9fs_show_options+0x6c0/0x6c0 [ 103.787222][ T7989] ? __kasan_check_read+0x11/0x20 [ 103.792228][ T7989] ? v9fs_mount+0x55/0x7f0 [ 103.796746][ T7989] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.802286][ T7989] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.808360][ T7989] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.814160][ T7989] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.819703][ T7989] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.824974][ T7989] v9fs_mount+0x72/0x7f0 [ 103.829216][ T7989] ? v9fs_write_inode+0x50/0x50 [ 103.834060][ T7989] legacy_get_tree+0x103/0x1f0 [ 103.838803][ T7989] vfs_get_tree+0x8b/0x2d0 [ 103.843193][ T7989] ? capable+0x14/0x20 [ 103.847266][ T7989] do_mount+0x1270/0x1b60 [ 103.851571][ T7989] ? lock_downgrade+0x900/0x900 [ 103.856403][ T7989] ? copy_mount_string+0x20/0x20 [ 103.861332][ T7989] ? __kasan_check_write+0x14/0x20 [ 103.866434][ T7989] ? _copy_from_user+0xd6/0x110 [ 103.871269][ T7989] __x64_sys_mount+0x169/0x1c0 [ 103.876014][ T7989] do_syscall_64+0xd0/0x630 [ 103.880500][ T7989] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.886474][ T7989] RIP: 0033:0x458da9 [ 103.890349][ T7989] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.910056][ T7989] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 103.918457][ T7989] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 103.926412][ T7989] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 103.934384][ T7989] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.942334][ T7989] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 103.950295][ T7989] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.958270][ T7991] CPU: 1 PID: 7991 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 103.966858][ T7991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.976932][ T7991] Call Trace: [ 103.980215][ T7991] dump_stack+0x12d/0x187 [ 103.984556][ T7991] should_fail.cold.4+0x5/0x13 [ 103.989390][ T7991] ? do_mount+0x1270/0x1b60 [ 103.993873][ T7991] ? fault_create_debugfs_attr+0x150/0x150 [ 103.999657][ T7991] ? find_held_lock+0x36/0x1d0 [ 104.004424][ T7991] should_fail_alloc_page+0x50/0x60 [ 104.009605][ T7991] __alloc_pages_nodemask+0x17f/0x890 [ 104.014976][ T7991] ? cache_grow_end+0xa8/0x190 [ 104.019731][ T7991] ? __alloc_pages_slowpath+0x2540/0x2540 [ 104.025461][ T7991] ? do_raw_spin_lock+0x132/0x2e0 [ 104.030479][ T7991] cache_grow_begin+0x92/0xca0 [ 104.035237][ T7991] ? __kmalloc+0xc5/0x790 [ 104.039547][ T7991] ? trace_hardirqs_off+0x41/0x1a0 [ 104.044640][ T7991] __kmalloc+0x6cd/0x790 [ 104.048884][ T7991] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 104.054152][ T7991] p9_fcall_init.isra.2+0x55/0x1c0 [ 104.059241][ T7991] p9_client_prepare_req.part.5+0x116/0x670 [ 104.065117][ T7991] p9_client_rpc+0x174/0xe50 [ 104.069689][ T7991] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.075734][ T7991] ? p9_pollwait+0x182/0x210 [ 104.080308][ T7991] ? pipe_poll+0xc2/0x6b0 [ 104.084619][ T7991] ? ksys_dup3+0x2e0/0x2e0 [ 104.089014][ T7991] ? p9_fd_poll+0x19b/0x2a0 [ 104.093621][ T7991] ? p9_conn_create+0x399/0x4e0 [ 104.098471][ T7991] ? p9_conn_create+0x4e0/0x4e0 [ 104.103334][ T7991] p9_client_create+0x7ec/0x10e0 [ 104.108278][ T7991] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.114346][ T7991] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.119874][ T7991] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.125921][ T7991] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.131709][ T7991] ? __kmalloc_track_caller+0x60e/0x780 [ 104.137246][ T7991] ? __x64_sys_mount+0x169/0x1c0 [ 104.142190][ T7991] ? do_syscall_64+0xd0/0x630 [ 104.146934][ T7991] ? lockdep_init_map+0x1b6/0x6c0 [ 104.152001][ T7991] v9fs_session_init+0x1ed/0x14c0 [ 104.157012][ T7991] ? v9fs_session_init+0x1ed/0x14c0 [ 104.162196][ T7991] ? __lock_acquire+0x100f/0x4ef0 [ 104.167210][ T7991] ? find_held_lock+0x36/0x1d0 [ 104.171962][ T7991] ? v9fs_show_options+0x6c0/0x6c0 [ 104.177051][ T7991] ? __kasan_check_read+0x11/0x20 [ 104.182079][ T7991] ? v9fs_mount+0x55/0x7f0 [ 104.186478][ T7991] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.192021][ T7991] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.198064][ T7991] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.203864][ T7991] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.209408][ T7991] ? apparmor_task_alloc+0x2f0/0x2f0 [ 104.214674][ T7991] v9fs_mount+0x72/0x7f0 [ 104.218901][ T7991] ? v9fs_write_inode+0x50/0x50 [ 104.223737][ T7991] legacy_get_tree+0x103/0x1f0 [ 104.228489][ T7991] vfs_get_tree+0x8b/0x2d0 [ 104.232881][ T7991] ? capable+0x14/0x20 [ 104.236944][ T7991] do_mount+0x1270/0x1b60 [ 104.241268][ T7991] ? lock_downgrade+0x900/0x900 [ 104.246107][ T7991] ? copy_mount_string+0x20/0x20 [ 104.251032][ T7991] ? __kasan_check_write+0x14/0x20 [ 104.256123][ T7991] ? _copy_from_user+0xd6/0x110 [ 104.260962][ T7991] __x64_sys_mount+0x169/0x1c0 [ 104.265712][ T7991] do_syscall_64+0xd0/0x630 [ 104.270204][ T7991] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.276081][ T7991] RIP: 0033:0x458da9 [ 104.279989][ T7991] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 104.299620][ T7991] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.308036][ T7991] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 104.315993][ T7991] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 104.323969][ T7991] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 104.331929][ T7991] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 104.339881][ T7991] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 104.347904][ T7979] CPU: 0 PID: 7979 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 104.356495][ T7979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.366542][ T7979] Call Trace: [ 104.369813][ T7979] dump_stack+0x12d/0x187 [ 104.374126][ T7979] should_fail.cold.4+0x5/0x13 [ 104.378997][ T7979] ? fault_create_debugfs_attr+0x150/0x150 [ 104.384795][ T7979] ? ___might_sleep+0x16b/0x2b0 [ 104.389737][ T7979] __should_failslab+0xba/0xf0 [ 104.394508][ T7979] should_failslab+0x9/0x14 [ 104.398995][ T7979] __kmalloc+0x2eb/0x790 [ 104.403238][ T7979] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 104.408510][ T7979] p9_fcall_init.isra.2+0x55/0x1c0 [ 104.413603][ T7979] p9_client_prepare_req.part.5+0x116/0x670 [ 104.419493][ T7979] p9_client_rpc+0x174/0xe50 [ 104.424076][ T7979] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.430124][ T7979] ? p9_pollwait+0x182/0x210 [ 104.434706][ T7979] ? pipe_poll+0xc2/0x6b0 [ 104.439011][ T7979] ? ksys_dup3+0x2e0/0x2e0 [ 104.443431][ T7979] ? p9_fd_poll+0x19b/0x2a0 [ 104.447926][ T7979] ? p9_conn_create+0x399/0x4e0 [ 104.452756][ T7979] ? p9_conn_create+0x4e0/0x4e0 [ 104.457604][ T7979] p9_client_create+0x7ec/0x10e0 [ 104.462533][ T7979] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.468574][ T7979] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.474106][ T7979] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.480148][ T7979] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.485935][ T7979] ? __kmalloc_track_caller+0x60e/0x780 [ 104.491474][ T7979] ? __x64_sys_mount+0x169/0x1c0 [ 104.496475][ T7979] ? do_syscall_64+0xd0/0x630 [ 104.501137][ T7979] ? lockdep_init_map+0x1b6/0x6c0 [ 104.506161][ T7979] v9fs_session_init+0x1ed/0x14c0 [ 104.511169][ T7979] ? v9fs_session_init+0x1ed/0x14c0 [ 104.516343][ T7979] ? __lock_acquire+0x100f/0x4ef0 [ 104.521359][ T7979] ? find_held_lock+0x36/0x1d0 [ 104.526111][ T7979] ? v9fs_show_options+0x6c0/0x6c0 [ 104.531198][ T7979] ? __kasan_check_read+0x11/0x20 [ 104.536222][ T7979] ? v9fs_mount+0x55/0x7f0 [ 104.540623][ T7979] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.546155][ T7979] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.552202][ T7979] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.557999][ T7979] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.563544][ T7979] ? apparmor_task_alloc+0x2f0/0x2f0 [ 104.568813][ T7979] v9fs_mount+0x72/0x7f0 [ 104.573040][ T7979] ? v9fs_write_inode+0x50/0x50 [ 104.577878][ T7979] legacy_get_tree+0x103/0x1f0 [ 104.582626][ T7979] vfs_get_tree+0x8b/0x2d0 [ 104.587021][ T7979] ? capable+0x14/0x20 [ 104.591069][ T7979] do_mount+0x1270/0x1b60 [ 104.595373][ T7979] ? lock_downgrade+0x900/0x900 [ 104.600203][ T7979] ? copy_mount_string+0x20/0x20 [ 104.605126][ T7979] ? __kasan_check_write+0x14/0x20 [ 104.610230][ T7979] ? _copy_from_user+0xd6/0x110 [ 104.615063][ T7979] __x64_sys_mount+0x169/0x1c0 [ 104.619820][ T7979] do_syscall_64+0xd0/0x630 [ 104.624304][ T7979] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.630171][ T7979] RIP: 0033:0x458da9 [ 104.634041][ T7979] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 104.653622][ T7979] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.662007][ T7979] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 104.669954][ T7979] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 104.677915][ T7979] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 104.685863][ T7979] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 104.693823][ T7979] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 104.701792][ T7993] CPU: 1 PID: 7993 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 104.710383][ T7993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.720440][ T7993] Call Trace: [ 104.723727][ T7993] dump_stack+0x12d/0x187 [ 104.728058][ T7993] should_fail.cold.4+0x5/0x13 [ 104.729204][ T7998] FAULT_INJECTION: forcing a failure. [ 104.729204][ T7998] name failslab, interval 1, probability 0, space 0, times 0 [ 104.732815][ T7993] ? fault_create_debugfs_attr+0x150/0x150 [ 104.732827][ T7993] ? ___might_sleep+0x16b/0x2b0 [ 104.732840][ T7993] __should_failslab+0xba/0xf0 [ 104.732849][ T7993] should_failslab+0x9/0x14 [ 104.732855][ T7993] __kmalloc+0x2eb/0x790 [ 104.732868][ T7993] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 104.732879][ T7993] p9_fcall_init.isra.2+0x55/0x1c0 [ 104.755673][ T8000] FAULT_INJECTION: forcing a failure. [ 104.755673][ T8000] name failslab, interval 1, probability 0, space 0, times 0 [ 104.756168][ T7993] p9_client_prepare_req.part.5+0x116/0x670 [ 104.798418][ T7993] p9_client_rpc+0x174/0xe50 [ 104.802992][ T7993] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.809049][ T7993] ? p9_pollwait+0x182/0x210 [ 104.813642][ T7993] ? pipe_poll+0xc2/0x6b0 [ 104.817950][ T7993] ? ksys_dup3+0x2e0/0x2e0 [ 104.822346][ T7993] ? p9_fd_poll+0x19b/0x2a0 [ 104.826859][ T7993] ? p9_conn_create+0x399/0x4e0 [ 104.831731][ T7993] ? p9_conn_create+0x4e0/0x4e0 [ 104.836585][ T7993] p9_client_create+0x7ec/0x10e0 [ 104.841511][ T7993] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.847559][ T7993] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.853087][ T7993] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.859135][ T7993] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.864942][ T7993] ? __kmalloc_track_caller+0x60e/0x780 [ 104.870485][ T7993] ? __x64_sys_mount+0x169/0x1c0 [ 104.875420][ T7993] ? do_syscall_64+0xd0/0x630 [ 104.880075][ T7993] ? lockdep_init_map+0x1b6/0x6c0 [ 104.885096][ T7993] v9fs_session_init+0x1ed/0x14c0 [ 104.890114][ T7993] ? v9fs_session_init+0x1ed/0x14c0 [ 104.895294][ T7993] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 104.900734][ T7993] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 104.905994][ T7993] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 104.911465][ T7993] ? v9fs_show_options+0x6c0/0x6c0 [ 104.916581][ T7993] ? __kasan_check_read+0x11/0x20 [ 104.921591][ T7993] ? v9fs_mount+0x55/0x7f0 [ 104.926010][ T7993] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.931546][ T7993] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.937593][ T7993] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.943401][ T7993] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.948953][ T7993] v9fs_mount+0x72/0x7f0 [ 104.953184][ T7993] ? v9fs_write_inode+0x50/0x50 [ 104.958030][ T7993] legacy_get_tree+0x103/0x1f0 [ 104.962796][ T7993] vfs_get_tree+0x8b/0x2d0 [ 104.967202][ T7993] ? capable+0x14/0x20 [ 104.971278][ T7993] do_mount+0x1270/0x1b60 [ 104.975596][ T7993] ? lock_downgrade+0x900/0x900 [ 104.980446][ T7993] ? copy_mount_string+0x20/0x20 [ 104.985375][ T7993] ? __kasan_check_write+0x14/0x20 [ 104.990478][ T7993] ? _copy_from_user+0xd6/0x110 [ 104.995332][ T7993] __x64_sys_mount+0x169/0x1c0 [ 105.000091][ T7993] do_syscall_64+0xd0/0x630 [ 105.004583][ T7993] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.010471][ T7993] RIP: 0033:0x458da9 [ 105.014352][ T7993] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.033975][ T7993] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.042380][ T7993] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 105.050338][ T7993] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.058322][ T7993] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.066293][ T7993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 105.074255][ T7993] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.082246][ T8000] CPU: 0 PID: 8000 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 105.090839][ T8000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.100306][ T8003] FAULT_INJECTION: forcing a failure. [ 105.100306][ T8003] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 105.100887][ T8000] Call Trace: [ 105.117331][ T8000] dump_stack+0x12d/0x187 [ 105.121661][ T8000] should_fail.cold.4+0x5/0x13 [ 105.126399][ T8000] ? stack_trace_save+0x82/0xb0 [ 105.131228][ T8000] ? fault_create_debugfs_attr+0x150/0x150 [ 105.137194][ T8000] __should_failslab+0xba/0xf0 [ 105.141942][ T8000] should_failslab+0x9/0x14 [ 105.146432][ T8000] kmem_cache_alloc+0x47/0x750 [ 105.151173][ T8000] ? __x64_sys_mount+0x169/0x1c0 [ 105.156112][ T8000] ? do_syscall_64+0xd0/0x630 [ 105.160777][ T8000] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 105.167195][ T8000] ? __kasan_check_read+0x11/0x20 [ 105.172198][ T8000] idr_get_free+0x35d/0x880 [ 105.176684][ T8000] ? __kasan_check_read+0x11/0x20 [ 105.181687][ T8000] idr_alloc_u32+0x13a/0x330 [ 105.186283][ T8000] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 105.191856][ T8000] ? mark_held_locks+0x130/0x130 [ 105.196821][ T8000] ? __kasan_check_write+0x14/0x20 [ 105.201928][ T8000] ? do_raw_spin_lock+0x132/0x2e0 [ 105.207038][ T8000] idr_alloc+0x7d/0xc0 [ 105.211110][ T8000] ? idr_alloc_u32+0x330/0x330 [ 105.215870][ T8000] p9_client_prepare_req.part.5+0x571/0x670 [ 105.221752][ T8000] p9_client_rpc+0x174/0xe50 [ 105.226331][ T8000] ? p9_client_prepare_req.part.5+0x670/0x670 [ 105.232401][ T8000] ? p9_pollwait+0x182/0x210 [ 105.236983][ T8000] ? pipe_poll+0xc2/0x6b0 [ 105.241327][ T8000] ? ksys_dup3+0x2e0/0x2e0 [ 105.245729][ T8000] ? p9_fd_poll+0x19b/0x2a0 [ 105.250217][ T8000] ? p9_conn_create+0x399/0x4e0 [ 105.255072][ T8000] ? p9_conn_create+0x4e0/0x4e0 [ 105.259932][ T8000] p9_client_create+0x7ec/0x10e0 [ 105.264906][ T8000] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 105.270976][ T8000] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.276512][ T8000] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.282560][ T8000] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.288354][ T8000] ? __kmalloc_track_caller+0x60e/0x780 [ 105.293887][ T8000] ? __x64_sys_mount+0x169/0x1c0 [ 105.298805][ T8000] ? do_syscall_64+0xd0/0x630 [ 105.303459][ T8000] ? lockdep_init_map+0x1b6/0x6c0 [ 105.308472][ T8000] v9fs_session_init+0x1ed/0x14c0 [ 105.313474][ T8000] ? v9fs_session_init+0x1ed/0x14c0 [ 105.318645][ T8000] ? __lock_acquire+0x100f/0x4ef0 [ 105.323753][ T8000] ? find_held_lock+0x36/0x1d0 [ 105.328501][ T8000] ? v9fs_show_options+0x6c0/0x6c0 [ 105.333602][ T8000] ? __kasan_check_read+0x11/0x20 [ 105.338608][ T8000] ? v9fs_mount+0x55/0x7f0 [ 105.343003][ T8000] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.348530][ T8000] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.354570][ T8000] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.360500][ T8000] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.366028][ T8000] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.371327][ T8000] v9fs_mount+0x72/0x7f0 [ 105.375571][ T8000] ? v9fs_write_inode+0x50/0x50 [ 105.380402][ T8000] legacy_get_tree+0x103/0x1f0 [ 105.385150][ T8000] vfs_get_tree+0x8b/0x2d0 [ 105.389561][ T8000] ? capable+0x14/0x20 [ 105.393613][ T8000] do_mount+0x1270/0x1b60 [ 105.397917][ T8000] ? lock_downgrade+0x900/0x900 [ 105.402746][ T8000] ? copy_mount_string+0x20/0x20 [ 105.407669][ T8000] ? __kasan_check_write+0x14/0x20 [ 105.412755][ T8000] ? _copy_from_user+0xd6/0x110 [ 105.417586][ T8000] __x64_sys_mount+0x169/0x1c0 [ 105.422329][ T8000] do_syscall_64+0xd0/0x630 [ 105.426810][ T8000] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.432676][ T8000] RIP: 0033:0x458da9 [ 105.436546][ T8000] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.456137][ T8000] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.464532][ T8000] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 105.472490][ T8000] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.480446][ T8000] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.488409][ T8000] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 105.496360][ T8000] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.504338][ T8003] CPU: 1 PID: 8003 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 105.512921][ T8003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.522973][ T8003] Call Trace: [ 105.526286][ T8003] dump_stack+0x12d/0x187 [ 105.530608][ T8003] should_fail.cold.4+0x5/0x13 [ 105.535357][ T8003] ? do_mount+0x1270/0x1b60 [ 105.539847][ T8003] ? fault_create_debugfs_attr+0x150/0x150 [ 105.545636][ T8003] ? find_held_lock+0x36/0x1d0 [ 105.550405][ T8003] should_fail_alloc_page+0x50/0x60 [ 105.555582][ T8003] __alloc_pages_nodemask+0x17f/0x890 [ 105.560930][ T8003] ? cache_grow_end+0xa8/0x190 [ 105.565671][ T8003] ? __alloc_pages_slowpath+0x2540/0x2540 [ 105.571379][ T8003] ? do_raw_spin_lock+0x132/0x2e0 [ 105.576392][ T8003] cache_grow_begin+0x92/0xca0 [ 105.581130][ T8003] ? __kmalloc+0xc5/0x790 [ 105.585437][ T8003] ? trace_hardirqs_off+0x41/0x1a0 [ 105.590526][ T8003] __kmalloc+0x6cd/0x790 [ 105.594768][ T8003] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 105.600034][ T8003] p9_fcall_init.isra.2+0x55/0x1c0 [ 105.605137][ T8003] p9_client_prepare_req.part.5+0x116/0x670 [ 105.611048][ T8003] p9_client_rpc+0x174/0xe50 [ 105.614579][ T8007] FAULT_INJECTION: forcing a failure. [ 105.614579][ T8007] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 105.615738][ T8003] ? p9_client_prepare_req.part.5+0x670/0x670 [ 105.634982][ T8003] ? p9_pollwait+0x182/0x210 [ 105.639567][ T8003] ? pipe_poll+0xc2/0x6b0 [ 105.643890][ T8003] ? ksys_dup3+0x2e0/0x2e0 [ 105.648307][ T8003] ? p9_fd_poll+0x19b/0x2a0 [ 105.652802][ T8003] ? p9_conn_create+0x399/0x4e0 [ 105.657636][ T8003] ? p9_conn_create+0x4e0/0x4e0 [ 105.662470][ T8003] p9_client_create+0x7ec/0x10e0 [ 105.667392][ T8003] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 105.673566][ T8003] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.679094][ T8003] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.685137][ T8003] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.690928][ T8003] ? __kmalloc_track_caller+0x60e/0x780 [ 105.696456][ T8003] ? __x64_sys_mount+0x169/0x1c0 [ 105.701375][ T8003] ? do_syscall_64+0xd0/0x630 [ 105.706045][ T8003] ? lockdep_init_map+0x1b6/0x6c0 [ 105.711057][ T8003] v9fs_session_init+0x1ed/0x14c0 [ 105.716058][ T8003] ? v9fs_session_init+0x1ed/0x14c0 [ 105.721242][ T8003] ? __lock_acquire+0x100f/0x4ef0 [ 105.726258][ T8003] ? find_held_lock+0x36/0x1d0 [ 105.731017][ T8003] ? v9fs_show_options+0x6c0/0x6c0 [ 105.736385][ T8003] ? __kasan_check_read+0x11/0x20 [ 105.741397][ T8003] ? v9fs_mount+0x55/0x7f0 [ 105.745794][ T8003] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.751324][ T8003] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.757383][ T8003] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.763205][ T8003] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.768735][ T8003] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.774001][ T8003] v9fs_mount+0x72/0x7f0 [ 105.778254][ T8003] ? v9fs_write_inode+0x50/0x50 [ 105.783083][ T8003] legacy_get_tree+0x103/0x1f0 [ 105.787828][ T8003] vfs_get_tree+0x8b/0x2d0 [ 105.792233][ T8003] ? capable+0x14/0x20 [ 105.796302][ T8003] do_mount+0x1270/0x1b60 [ 105.800607][ T8003] ? lock_downgrade+0x900/0x900 [ 105.805453][ T8003] ? copy_mount_string+0x20/0x20 [ 105.810446][ T8003] ? __kasan_check_write+0x14/0x20 [ 105.815547][ T8003] ? _copy_from_user+0xd6/0x110 [ 105.820393][ T8003] __x64_sys_mount+0x169/0x1c0 [ 105.825230][ T8003] do_syscall_64+0xd0/0x630 [ 105.829725][ T8003] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.835604][ T8003] RIP: 0033:0x458da9 [ 105.839479][ T8003] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.859344][ T8003] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.867748][ T8003] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 105.875706][ T8003] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.883668][ T8003] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.891645][ T8003] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 105.899605][ T8003] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.907593][ T8007] CPU: 0 PID: 8007 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 105.916178][ T8007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.926232][ T8007] Call Trace: [ 105.929622][ T8007] dump_stack+0x12d/0x187 [ 105.933966][ T8007] should_fail.cold.4+0x5/0x13 [ 105.938729][ T8007] ? do_mount+0x1270/0x1b60 [ 105.943239][ T8007] ? fault_create_debugfs_attr+0x150/0x150 [ 105.949057][ T8007] ? find_held_lock+0x36/0x1d0 [ 105.953822][ T8007] should_fail_alloc_page+0x50/0x60 [ 105.959460][ T8007] __alloc_pages_nodemask+0x17f/0x890 [ 105.964826][ T8007] ? cache_grow_end+0xa8/0x190 [ 105.969583][ T8007] ? __alloc_pages_slowpath+0x2540/0x2540 [ 105.975298][ T8007] ? do_raw_spin_lock+0x132/0x2e0 [ 105.980332][ T8007] cache_grow_begin+0x92/0xca0 [ 105.985089][ T8007] ? __kmalloc+0xc5/0x790 [ 105.989416][ T8007] ? trace_hardirqs_off+0x41/0x1a0 [ 105.994525][ T8007] __kmalloc+0x6cd/0x790 [ 105.998766][ T8007] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 106.001983][ T8016] FAULT_INJECTION: forcing a failure. [ 106.001983][ T8016] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 106.004047][ T8007] p9_fcall_init.isra.2+0x55/0x1c0 [ 106.022311][ T8007] p9_client_prepare_req.part.5+0x116/0x670 [ 106.028192][ T8007] p9_client_rpc+0x174/0xe50 [ 106.032766][ T8007] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.038960][ T8007] ? p9_pollwait+0x182/0x210 [ 106.043590][ T8007] ? pipe_poll+0xc2/0x6b0 [ 106.047901][ T8007] ? ksys_dup3+0x2e0/0x2e0 [ 106.052313][ T8007] ? p9_fd_poll+0x19b/0x2a0 [ 106.056807][ T8007] ? p9_conn_create+0x399/0x4e0 [ 106.061642][ T8007] ? p9_conn_create+0x4e0/0x4e0 [ 106.066483][ T8007] p9_client_create+0x7ec/0x10e0 [ 106.071413][ T8007] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.077456][ T8007] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.082976][ T8007] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.089031][ T8007] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.094818][ T8007] ? __kmalloc_track_caller+0x60e/0x780 [ 106.100341][ T8007] ? __x64_sys_mount+0x169/0x1c0 [ 106.105253][ T8007] ? do_syscall_64+0xd0/0x630 [ 106.109902][ T8007] ? lockdep_init_map+0x1b6/0x6c0 [ 106.114914][ T8007] v9fs_session_init+0x1ed/0x14c0 [ 106.119927][ T8007] ? v9fs_session_init+0x1ed/0x14c0 [ 106.125097][ T8007] ? __lock_acquire+0x100f/0x4ef0 [ 106.130095][ T8007] ? find_held_lock+0x36/0x1d0 [ 106.134839][ T8007] ? v9fs_show_options+0x6c0/0x6c0 [ 106.139921][ T8007] ? __kasan_check_read+0x11/0x20 [ 106.144942][ T8007] ? v9fs_mount+0x55/0x7f0 [ 106.149361][ T8007] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.154886][ T8007] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.160930][ T8007] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.166832][ T8007] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.172362][ T8007] ? apparmor_task_alloc+0x2f0/0x2f0 [ 106.177629][ T8007] v9fs_mount+0x72/0x7f0 [ 106.181851][ T8007] ? v9fs_write_inode+0x50/0x50 [ 106.186689][ T8007] legacy_get_tree+0x103/0x1f0 [ 106.191435][ T8007] vfs_get_tree+0x8b/0x2d0 [ 106.195828][ T8007] ? capable+0x14/0x20 [ 106.199875][ T8007] do_mount+0x1270/0x1b60 [ 106.204192][ T8007] ? lock_downgrade+0x900/0x900 [ 106.209024][ T8007] ? copy_mount_string+0x20/0x20 [ 106.213946][ T8007] ? __kasan_check_write+0x14/0x20 [ 106.219029][ T8007] ? _copy_from_user+0xd6/0x110 [ 106.223861][ T8007] __x64_sys_mount+0x169/0x1c0 [ 106.228605][ T8007] do_syscall_64+0xd0/0x630 [ 106.233099][ T8007] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.238977][ T8007] RIP: 0033:0x458da9 [ 106.242846][ T8007] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 106.262432][ T8007] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 106.270839][ T8007] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 106.278932][ T8007] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 106.286909][ T8007] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 106.294863][ T8007] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 106.302813][ T8007] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 106.310791][ T8016] CPU: 1 PID: 8016 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 106.319378][ T8016] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.329422][ T8016] Call Trace: [ 106.332693][ T8016] dump_stack+0x12d/0x187 [ 106.337014][ T8016] should_fail.cold.4+0x5/0x13 [ 106.341752][ T8016] ? do_mount+0x1270/0x1b60 [ 106.346246][ T8016] ? fault_create_debugfs_attr+0x150/0x150 [ 106.352045][ T8016] ? find_held_lock+0x36/0x1d0 [ 106.356788][ T8016] should_fail_alloc_page+0x50/0x60 [ 106.361961][ T8016] __alloc_pages_nodemask+0x17f/0x890 [ 106.367304][ T8016] ? cache_grow_end+0xa8/0x190 [ 106.372043][ T8016] ? __alloc_pages_slowpath+0x2540/0x2540 [ 106.377735][ T8016] ? do_raw_spin_lock+0x132/0x2e0 [ 106.382856][ T8016] cache_grow_begin+0x92/0xca0 [ 106.387591][ T8016] ? __kmalloc+0xc5/0x790 [ 106.391895][ T8016] ? trace_hardirqs_off+0x41/0x1a0 [ 106.396997][ T8016] __kmalloc+0x6cd/0x790 [ 106.401218][ T8016] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 106.406478][ T8016] p9_fcall_init.isra.2+0x55/0x1c0 [ 106.411564][ T8016] p9_client_prepare_req.part.5+0x116/0x670 [ 106.417438][ T8016] p9_client_rpc+0x174/0xe50 [ 106.422021][ T8016] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.428108][ T8016] ? p9_pollwait+0x182/0x210 [ 106.432692][ T8016] ? pipe_poll+0xc2/0x6b0 [ 106.437016][ T8016] ? ksys_dup3+0x2e0/0x2e0 [ 106.441425][ T8016] ? p9_fd_poll+0x19b/0x2a0 [ 106.445927][ T8016] ? p9_conn_create+0x399/0x4e0 [ 106.450764][ T8016] ? p9_conn_create+0x4e0/0x4e0 [ 106.455606][ T8016] p9_client_create+0x7ec/0x10e0 [ 106.460557][ T8016] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.466608][ T8016] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.472138][ T8016] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.478182][ T8016] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.483966][ T8016] ? __kmalloc_track_caller+0x60e/0x780 [ 106.489499][ T8016] ? __x64_sys_mount+0x169/0x1c0 [ 106.494411][ T8016] ? do_syscall_64+0xd0/0x630 [ 106.499063][ T8016] ? lockdep_init_map+0x1b6/0x6c0 [ 106.504093][ T8016] v9fs_session_init+0x1ed/0x14c0 [ 106.509097][ T8016] ? v9fs_session_init+0x1ed/0x14c0 [ 106.514284][ T8016] ? __lock_acquire+0x100f/0x4ef0 [ 106.515923][ T8015] FAULT_INJECTION: forcing a failure. [ 106.515923][ T8015] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 106.519391][ T8016] ? find_held_lock+0x36/0x1d0 [ 106.537867][ T8016] ? v9fs_show_options+0x6c0/0x6c0 [ 106.542954][ T8016] ? __kasan_check_read+0x11/0x20 [ 106.547972][ T8016] ? v9fs_mount+0x55/0x7f0 [ 106.552376][ T8016] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.557899][ T8016] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.563945][ T8016] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.569733][ T8016] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.575256][ T8016] ? apparmor_task_alloc+0x2f0/0x2f0 [ 106.580539][ T8016] v9fs_mount+0x72/0x7f0 [ 106.584762][ T8016] ? v9fs_write_inode+0x50/0x50 [ 106.589591][ T8016] legacy_get_tree+0x103/0x1f0 [ 106.594335][ T8016] vfs_get_tree+0x8b/0x2d0 [ 106.598739][ T8016] ? capable+0x14/0x20 [ 106.602786][ T8016] do_mount+0x1270/0x1b60 [ 106.607089][ T8016] ? lock_downgrade+0x900/0x900 [ 106.612034][ T8016] ? copy_mount_string+0x20/0x20 [ 106.616956][ T8016] ? __kasan_check_write+0x14/0x20 [ 106.622041][ T8016] ? _copy_from_user+0xd6/0x110 [ 106.626874][ T8016] __x64_sys_mount+0x169/0x1c0 [ 106.631631][ T8016] do_syscall_64+0xd0/0x630 [ 106.636127][ T8016] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.641994][ T8016] RIP: 0033:0x458da9 [ 106.645868][ T8016] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 106.665474][ T8016] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 106.673992][ T8016] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 106.681957][ T8016] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 106.690023][ T8016] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 106.697995][ T8016] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 106.705956][ T8016] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 106.713952][ T8015] CPU: 0 PID: 8015 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 106.722537][ T8015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.732582][ T8015] Call Trace: [ 106.735850][ T8015] dump_stack+0x12d/0x187 [ 106.740164][ T8015] should_fail.cold.4+0x5/0x13 [ 106.744901][ T8015] ? do_mount+0x1270/0x1b60 [ 106.749382][ T8015] ? fault_create_debugfs_attr+0x150/0x150 [ 106.755170][ T8015] ? find_held_lock+0x36/0x1d0 [ 106.759914][ T8015] should_fail_alloc_page+0x50/0x60 [ 106.765087][ T8015] __alloc_pages_nodemask+0x17f/0x890 [ 106.770431][ T8015] ? cache_grow_end+0xa8/0x190 [ 106.775196][ T8015] ? __alloc_pages_slowpath+0x2540/0x2540 [ 106.780901][ T8015] ? do_raw_spin_lock+0x132/0x2e0 [ 106.785908][ T8015] cache_grow_begin+0x92/0xca0 [ 106.790643][ T8015] ? __kmalloc+0xc5/0x790 [ 106.794947][ T8015] ? trace_hardirqs_off+0x41/0x1a0 [ 106.800034][ T8015] __kmalloc+0x6cd/0x790 [ 106.804260][ T8015] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 106.809519][ T8015] p9_fcall_init.isra.2+0x55/0x1c0 [ 106.814693][ T8015] p9_client_prepare_req.part.5+0x116/0x670 [ 106.820562][ T8015] p9_client_rpc+0x174/0xe50 [ 106.825129][ T8015] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.831277][ T8015] ? p9_pollwait+0x182/0x210 [ 106.835856][ T8015] ? pipe_poll+0xc2/0x6b0 [ 106.840159][ T8015] ? ksys_dup3+0x2e0/0x2e0 [ 106.844570][ T8015] ? p9_fd_poll+0x19b/0x2a0 [ 106.849046][ T8015] ? p9_conn_create+0x399/0x4e0 [ 106.853883][ T8015] ? p9_conn_create+0x4e0/0x4e0 [ 106.858716][ T8015] p9_client_create+0x7ec/0x10e0 [ 106.863634][ T8015] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.869672][ T8015] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.875201][ T8015] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.881236][ T8015] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.887018][ T8015] ? __kmalloc_track_caller+0x60e/0x780 [ 106.892554][ T8015] ? __x64_sys_mount+0x169/0x1c0 [ 106.897569][ T8015] ? do_syscall_64+0xd0/0x630 [ 106.902234][ T8015] ? lockdep_init_map+0x1b6/0x6c0 [ 106.907253][ T8015] v9fs_session_init+0x1ed/0x14c0 [ 106.912257][ T8015] ? v9fs_session_init+0x1ed/0x14c0 [ 106.917432][ T8015] ? __lock_acquire+0x100f/0x4ef0 [ 106.922453][ T8015] ? find_held_lock+0x36/0x1d0 [ 106.927201][ T8015] ? v9fs_show_options+0x6c0/0x6c0 [ 106.932287][ T8015] ? __kasan_check_read+0x11/0x20 [ 106.937291][ T8015] ? v9fs_mount+0x55/0x7f0 [ 106.941683][ T8015] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.947201][ T8015] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.953251][ T8015] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.959037][ T8015] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.964560][ T8015] ? apparmor_task_alloc+0x2f0/0x2f0 [ 106.969838][ T8015] v9fs_mount+0x72/0x7f0 [ 106.974090][ T8015] ? v9fs_write_inode+0x50/0x50 [ 106.978931][ T8015] legacy_get_tree+0x103/0x1f0 [ 106.983681][ T8015] vfs_get_tree+0x8b/0x2d0 [ 106.988077][ T8015] ? capable+0x14/0x20 [ 106.992134][ T8015] do_mount+0x1270/0x1b60 [ 106.996441][ T8015] ? lock_downgrade+0x900/0x900 [ 107.001275][ T8015] ? copy_mount_string+0x20/0x20 [ 107.006222][ T8015] ? __kasan_check_write+0x14/0x20 [ 107.011328][ T8015] ? _copy_from_user+0xd6/0x110 [ 107.016164][ T8015] __x64_sys_mount+0x169/0x1c0 [ 107.020913][ T8015] do_syscall_64+0xd0/0x630 [ 107.025396][ T8015] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.031266][ T8015] RIP: 0033:0x458da9 [ 107.035142][ T8015] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.054719][ T8015] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2020/03/22 08:54:24 executed programs: 121 [ 107.063103][ T8015] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 107.071051][ T8015] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.078996][ T8015] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.086940][ T8015] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 107.094886][ T8015] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.110873][ T7998] CPU: 0 PID: 7998 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 107.119570][ T7998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.129740][ T7998] Call Trace: [ 107.133021][ T7998] dump_stack+0x12d/0x187 [ 107.137353][ T7998] should_fail.cold.4+0x5/0x13 [ 107.142116][ T7998] ? fault_create_debugfs_attr+0x150/0x150 [ 107.142373][ T8023] FAULT_INJECTION: forcing a failure. [ 107.142373][ T8023] name failslab, interval 1, probability 0, space 0, times 0 [ 107.147913][ T7998] ? ___might_sleep+0x16b/0x2b0 [ 107.147927][ T7998] __should_failslab+0xba/0xf0 [ 107.147937][ T7998] should_failslab+0x9/0x14 [ 107.174562][ T7998] __kmalloc+0x2eb/0x790 [ 107.178810][ T7998] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 107.179279][ T8027] FAULT_INJECTION: forcing a failure. [ 107.179279][ T8027] name failslab, interval 1, probability 0, space 0, times 0 [ 107.184098][ T7998] p9_fcall_init.isra.2+0x55/0x1c0 [ 107.184110][ T7998] p9_client_prepare_req.part.5+0x116/0x670 [ 107.184125][ T7998] p9_client_rpc+0x174/0xe50 [ 107.184138][ T7998] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.184149][ T7998] ? p9_pollwait+0x182/0x210 [ 107.184161][ T7998] ? pipe_poll+0xc2/0x6b0 [ 107.184167][ T7998] ? ksys_dup3+0x2e0/0x2e0 [ 107.184177][ T7998] ? p9_fd_poll+0x19b/0x2a0 [ 107.225455][ T8029] FAULT_INJECTION: forcing a failure. [ 107.225455][ T8029] name failslab, interval 1, probability 0, space 0, times 0 [ 107.227310][ T7998] ? p9_conn_create+0x399/0x4e0 [ 107.227324][ T7998] ? p9_conn_create+0x4e0/0x4e0 [ 107.227341][ T7998] p9_client_create+0x7ec/0x10e0 [ 107.263484][ T7998] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.269535][ T7998] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.275075][ T7998] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.281123][ T7998] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.286909][ T7998] ? __kmalloc_track_caller+0x60e/0x780 [ 107.292447][ T7998] ? __x64_sys_mount+0x169/0x1c0 [ 107.297360][ T7998] ? do_syscall_64+0xd0/0x630 [ 107.302009][ T7998] ? lockdep_init_map+0x1b6/0x6c0 [ 107.307020][ T7998] v9fs_session_init+0x1ed/0x14c0 [ 107.312019][ T7998] ? v9fs_session_init+0x1ed/0x14c0 [ 107.317191][ T7998] ? __lock_acquire+0x100f/0x4ef0 [ 107.322206][ T7998] ? find_held_lock+0x36/0x1d0 [ 107.326959][ T7998] ? v9fs_show_options+0x6c0/0x6c0 [ 107.332043][ T7998] ? __kasan_check_read+0x11/0x20 [ 107.337240][ T7998] ? v9fs_mount+0x55/0x7f0 [ 107.341632][ T7998] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.347162][ T7998] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.353215][ T7998] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.359008][ T7998] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.364533][ T7998] ? apparmor_task_alloc+0x2f0/0x2f0 [ 107.369800][ T7998] v9fs_mount+0x72/0x7f0 [ 107.374024][ T7998] ? v9fs_write_inode+0x50/0x50 [ 107.378871][ T7998] legacy_get_tree+0x103/0x1f0 [ 107.383619][ T7998] vfs_get_tree+0x8b/0x2d0 [ 107.388007][ T7998] ? capable+0x14/0x20 [ 107.392058][ T7998] do_mount+0x1270/0x1b60 [ 107.396365][ T7998] ? lock_downgrade+0x900/0x900 [ 107.401194][ T7998] ? copy_mount_string+0x20/0x20 [ 107.406116][ T7998] ? __kasan_check_write+0x14/0x20 [ 107.411200][ T7998] ? _copy_from_user+0xd6/0x110 [ 107.416047][ T7998] __x64_sys_mount+0x169/0x1c0 [ 107.421418][ T7998] do_syscall_64+0xd0/0x630 [ 107.425901][ T7998] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.431772][ T7998] RIP: 0033:0x458da9 [ 107.435648][ T7998] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.455236][ T7998] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 107.463629][ T7998] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 107.471588][ T7998] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.479532][ T7998] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.487480][ T7998] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 107.495452][ T7998] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.503436][ T8027] CPU: 1 PID: 8027 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 107.512012][ T8027] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.522046][ T8027] Call Trace: [ 107.525319][ T8027] dump_stack+0x12d/0x187 [ 107.529632][ T8027] should_fail.cold.4+0x5/0x13 [ 107.534373][ T8027] ? fault_create_debugfs_attr+0x150/0x150 [ 107.540177][ T8027] ? ___might_sleep+0x16b/0x2b0 [ 107.545026][ T8027] __should_failslab+0xba/0xf0 [ 107.549765][ T8027] should_failslab+0x9/0x14 [ 107.554256][ T8027] __kmalloc+0x2eb/0x790 [ 107.558488][ T8027] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 107.563753][ T8027] p9_fcall_init.isra.2+0x55/0x1c0 [ 107.568849][ T8027] p9_client_prepare_req.part.5+0x116/0x670 [ 107.574727][ T8027] p9_client_rpc+0x174/0xe50 [ 107.579309][ T8027] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.585370][ T8027] ? p9_pollwait+0x182/0x210 [ 107.589954][ T8027] ? pipe_poll+0xc2/0x6b0 [ 107.594336][ T8027] ? ksys_dup3+0x2e0/0x2e0 [ 107.598750][ T8027] ? p9_fd_poll+0x19b/0x2a0 [ 107.603245][ T8027] ? p9_conn_create+0x399/0x4e0 [ 107.608089][ T8027] ? p9_conn_create+0x4e0/0x4e0 [ 107.612927][ T8027] p9_client_create+0x7ec/0x10e0 [ 107.617851][ T8027] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.623909][ T8027] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.629430][ T8027] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.635470][ T8027] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.641268][ T8027] ? __kmalloc_track_caller+0x60e/0x780 [ 107.646786][ T8027] ? __x64_sys_mount+0x169/0x1c0 [ 107.651700][ T8027] ? do_syscall_64+0xd0/0x630 [ 107.656347][ T8027] ? lockdep_init_map+0x1b6/0x6c0 [ 107.661365][ T8027] v9fs_session_init+0x1ed/0x14c0 [ 107.666367][ T8027] ? v9fs_session_init+0x1ed/0x14c0 [ 107.671548][ T8027] ? __lock_acquire+0x100f/0x4ef0 [ 107.676567][ T8027] ? find_held_lock+0x36/0x1d0 [ 107.681317][ T8027] ? v9fs_show_options+0x6c0/0x6c0 [ 107.686407][ T8027] ? __kasan_check_read+0x11/0x20 [ 107.691411][ T8027] ? v9fs_mount+0x55/0x7f0 [ 107.695806][ T8027] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.701332][ T8027] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.707378][ T8027] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.713165][ T8027] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.718697][ T8027] ? apparmor_task_alloc+0x2f0/0x2f0 [ 107.723959][ T8027] v9fs_mount+0x72/0x7f0 [ 107.728182][ T8027] ? v9fs_write_inode+0x50/0x50 [ 107.733011][ T8027] legacy_get_tree+0x103/0x1f0 [ 107.737769][ T8027] vfs_get_tree+0x8b/0x2d0 [ 107.742215][ T8027] ? capable+0x14/0x20 [ 107.746288][ T8027] do_mount+0x1270/0x1b60 [ 107.750594][ T8027] ? lock_downgrade+0x900/0x900 [ 107.755428][ T8027] ? copy_mount_string+0x20/0x20 [ 107.760456][ T8027] ? __kasan_check_write+0x14/0x20 [ 107.765551][ T8027] ? _copy_from_user+0xd6/0x110 [ 107.770384][ T8027] __x64_sys_mount+0x169/0x1c0 [ 107.775139][ T8027] do_syscall_64+0xd0/0x630 [ 107.779623][ T8027] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.785487][ T8027] RIP: 0033:0x458da9 [ 107.789368][ T8027] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.808958][ T8027] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 107.817349][ T8027] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 107.825306][ T8027] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.833265][ T8027] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.841215][ T8027] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 107.849167][ T8027] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.858006][ T8023] CPU: 0 PID: 8023 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 107.866594][ T8023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.872460][ T8037] FAULT_INJECTION: forcing a failure. [ 107.872460][ T8037] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 107.876649][ T8023] Call Trace: [ 107.893085][ T8023] dump_stack+0x12d/0x187 [ 107.897405][ T8023] should_fail.cold.4+0x5/0x13 [ 107.902143][ T8023] ? fault_create_debugfs_attr+0x150/0x150 [ 107.907935][ T8023] ? ___might_sleep+0x16b/0x2b0 [ 107.912765][ T8023] __should_failslab+0xba/0xf0 [ 107.917504][ T8023] should_failslab+0x9/0x14 [ 107.921978][ T8023] __kmalloc+0x2eb/0x790 [ 107.926195][ T8023] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 107.931458][ T8023] p9_fcall_init.isra.2+0x55/0x1c0 [ 107.936542][ T8023] p9_client_prepare_req.part.5+0x116/0x670 [ 107.942414][ T8023] p9_client_rpc+0x174/0xe50 [ 107.946990][ T8023] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.953078][ T8023] ? p9_pollwait+0x182/0x210 [ 107.957670][ T8023] ? pipe_poll+0xc2/0x6b0 [ 107.961994][ T8023] ? ksys_dup3+0x2e0/0x2e0 [ 107.966394][ T8023] ? p9_fd_poll+0x19b/0x2a0 [ 107.970877][ T8023] ? p9_conn_create+0x399/0x4e0 [ 107.975715][ T8023] ? p9_conn_create+0x4e0/0x4e0 [ 107.980557][ T8023] p9_client_create+0x7ec/0x10e0 [ 107.985491][ T8023] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.991554][ T8023] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.997336][ T8023] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.003374][ T8023] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.009159][ T8023] ? __kmalloc_track_caller+0x60e/0x780 [ 108.014679][ T8023] ? __x64_sys_mount+0x169/0x1c0 [ 108.019600][ T8023] ? do_syscall_64+0xd0/0x630 [ 108.024255][ T8023] ? lockdep_init_map+0x1b6/0x6c0 [ 108.029266][ T8023] v9fs_session_init+0x1ed/0x14c0 [ 108.034276][ T8023] ? v9fs_session_init+0x1ed/0x14c0 [ 108.039475][ T8023] ? cache_grow_end+0xa8/0x190 [ 108.044244][ T8023] ? lock_downgrade+0x900/0x900 [ 108.049100][ T8023] ? __kasan_check_write+0x14/0x20 [ 108.054194][ T8023] ? v9fs_show_options+0x6c0/0x6c0 [ 108.059280][ T8023] ? __kasan_check_read+0x11/0x20 [ 108.064285][ T8023] ? v9fs_mount+0x55/0x7f0 [ 108.068710][ T8023] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.074256][ T8023] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.080325][ T8023] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.086135][ T8023] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.091669][ T8023] v9fs_mount+0x72/0x7f0 [ 108.095899][ T8023] ? v9fs_write_inode+0x50/0x50 [ 108.100732][ T8023] legacy_get_tree+0x103/0x1f0 [ 108.105478][ T8023] vfs_get_tree+0x8b/0x2d0 [ 108.109870][ T8023] ? capable+0x14/0x20 [ 108.113930][ T8023] do_mount+0x1270/0x1b60 [ 108.118237][ T8023] ? lock_downgrade+0x900/0x900 [ 108.123064][ T8023] ? copy_mount_string+0x20/0x20 [ 108.127984][ T8023] ? __kasan_check_write+0x14/0x20 [ 108.133069][ T8023] ? _copy_from_user+0xd6/0x110 [ 108.137898][ T8023] __x64_sys_mount+0x169/0x1c0 [ 108.142648][ T8023] do_syscall_64+0xd0/0x630 [ 108.147137][ T8023] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.153005][ T8023] RIP: 0033:0x458da9 [ 108.156874][ T8023] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 108.176450][ T8023] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.184834][ T8023] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 108.192781][ T8023] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.200737][ T8023] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 108.208799][ T8023] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 108.216755][ T8023] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 108.224745][ T8037] CPU: 1 PID: 8037 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 108.233332][ T8037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.243808][ T8037] Call Trace: [ 108.247079][ T8037] dump_stack+0x12d/0x187 [ 108.251394][ T8037] should_fail.cold.4+0x5/0x13 [ 108.256147][ T8037] ? do_mount+0x1270/0x1b60 [ 108.260632][ T8037] ? fault_create_debugfs_attr+0x150/0x150 [ 108.266440][ T8037] ? find_held_lock+0x36/0x1d0 [ 108.271197][ T8037] should_fail_alloc_page+0x50/0x60 [ 108.276372][ T8037] __alloc_pages_nodemask+0x17f/0x890 [ 108.281716][ T8037] ? cache_grow_end+0xa8/0x190 [ 108.286460][ T8037] ? __alloc_pages_slowpath+0x2540/0x2540 [ 108.292166][ T8037] ? do_raw_spin_lock+0x132/0x2e0 [ 108.297195][ T8037] cache_grow_begin+0x92/0xca0 [ 108.302054][ T8037] ? __kmalloc+0xc5/0x790 [ 108.306368][ T8037] ? trace_hardirqs_off+0x41/0x1a0 [ 108.311462][ T8037] __kmalloc+0x6cd/0x790 [ 108.315695][ T8037] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 108.320972][ T8037] p9_fcall_init.isra.2+0x55/0x1c0 [ 108.326077][ T8037] p9_client_prepare_req.part.5+0x116/0x670 [ 108.331958][ T8037] p9_client_rpc+0x174/0xe50 [ 108.336534][ T8037] ? p9_client_prepare_req.part.5+0x670/0x670 [ 108.342580][ T8037] ? p9_pollwait+0x182/0x210 [ 108.347167][ T8037] ? pipe_poll+0xc2/0x6b0 [ 108.351477][ T8037] ? ksys_dup3+0x2e0/0x2e0 [ 108.355880][ T8037] ? p9_fd_poll+0x19b/0x2a0 [ 108.360366][ T8037] ? p9_conn_create+0x399/0x4e0 [ 108.365215][ T8037] ? p9_conn_create+0x4e0/0x4e0 [ 108.370074][ T8037] p9_client_create+0x7ec/0x10e0 [ 108.375009][ T8037] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 108.381062][ T8037] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.386593][ T8037] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.392634][ T8037] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.398423][ T8037] ? __kmalloc_track_caller+0x60e/0x780 [ 108.403946][ T8037] ? __x64_sys_mount+0x169/0x1c0 [ 108.408855][ T8037] ? do_syscall_64+0xd0/0x630 [ 108.413513][ T8037] ? lockdep_init_map+0x1b6/0x6c0 [ 108.418548][ T8037] v9fs_session_init+0x1ed/0x14c0 [ 108.423558][ T8037] ? v9fs_session_init+0x1ed/0x14c0 [ 108.428733][ T8037] ? __lock_acquire+0x100f/0x4ef0 [ 108.433751][ T8037] ? find_held_lock+0x36/0x1d0 [ 108.438505][ T8037] ? v9fs_show_options+0x6c0/0x6c0 [ 108.443596][ T8037] ? __kasan_check_read+0x11/0x20 [ 108.448604][ T8037] ? v9fs_mount+0x55/0x7f0 [ 108.453011][ T8037] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.458538][ T8037] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.464588][ T8037] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.470405][ T8037] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.476025][ T8037] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.481308][ T8037] v9fs_mount+0x72/0x7f0 [ 108.485538][ T8037] ? v9fs_write_inode+0x50/0x50 [ 108.490372][ T8037] legacy_get_tree+0x103/0x1f0 [ 108.495144][ T8037] vfs_get_tree+0x8b/0x2d0 [ 108.499539][ T8037] ? capable+0x14/0x20 [ 108.503609][ T8037] do_mount+0x1270/0x1b60 [ 108.507919][ T8037] ? lock_downgrade+0x900/0x900 [ 108.512755][ T8037] ? copy_mount_string+0x20/0x20 [ 108.517689][ T8037] ? __kasan_check_write+0x14/0x20 [ 108.522781][ T8037] ? _copy_from_user+0xd6/0x110 [ 108.527614][ T8037] __x64_sys_mount+0x169/0x1c0 [ 108.532385][ T8037] do_syscall_64+0xd0/0x630 [ 108.536883][ T8037] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.542771][ T8037] RIP: 0033:0x458da9 [ 108.546664][ T8037] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 108.549371][ T8042] FAULT_INJECTION: forcing a failure. [ 108.549371][ T8042] name failslab, interval 1, probability 0, space 0, times 0 [ 108.566964][ T8037] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.566971][ T8037] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 108.566974][ T8037] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.566977][ T8037] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 108.566980][ T8037] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 108.566983][ T8037] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 108.612478][ T8046] FAULT_INJECTION: forcing a failure. [ 108.612478][ T8046] name failslab, interval 1, probability 0, space 0, times 0 [ 108.630457][ T8029] CPU: 0 PID: 8029 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 108.649057][ T8050] FAULT_INJECTION: forcing a failure. [ 108.649057][ T8050] name failslab, interval 1, probability 0, space 0, times 0 [ 108.649446][ T8029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.649450][ T8029] Call Trace: [ 108.649461][ T8029] dump_stack+0x12d/0x187 [ 108.649478][ T8029] should_fail.cold.4+0x5/0x13 [ 108.684427][ T8029] ? fault_create_debugfs_attr+0x150/0x150 [ 108.690229][ T8029] ? ___might_sleep+0x16b/0x2b0 [ 108.695077][ T8029] __should_failslab+0xba/0xf0 [ 108.699832][ T8029] should_failslab+0x9/0x14 [ 108.704320][ T8029] __kmalloc+0x2eb/0x790 [ 108.708550][ T8029] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 108.713930][ T8029] p9_fcall_init.isra.2+0x55/0x1c0 [ 108.719021][ T8029] p9_client_prepare_req.part.5+0x116/0x670 [ 108.724914][ T8029] p9_client_rpc+0x174/0xe50 [ 108.729498][ T8029] ? p9_client_prepare_req.part.5+0x670/0x670 [ 108.735558][ T8029] ? p9_pollwait+0x182/0x210 [ 108.740154][ T8029] ? pipe_poll+0xc2/0x6b0 [ 108.744470][ T8029] ? ksys_dup3+0x2e0/0x2e0 [ 108.748887][ T8029] ? p9_fd_poll+0x19b/0x2a0 [ 108.753369][ T8029] ? p9_conn_create+0x399/0x4e0 [ 108.758200][ T8029] ? p9_conn_create+0x4e0/0x4e0 [ 108.763043][ T8029] p9_client_create+0x7ec/0x10e0 [ 108.767976][ T8029] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 108.774042][ T8029] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.779568][ T8029] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.785628][ T8029] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.791429][ T8029] ? __kmalloc_track_caller+0x60e/0x780 [ 108.796960][ T8029] ? __x64_sys_mount+0x169/0x1c0 [ 108.801875][ T8029] ? do_syscall_64+0xd0/0x630 [ 108.806541][ T8029] ? lockdep_init_map+0x1b6/0x6c0 [ 108.811556][ T8029] v9fs_session_init+0x1ed/0x14c0 [ 108.816573][ T8029] ? v9fs_session_init+0x1ed/0x14c0 [ 108.821757][ T8029] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 108.827197][ T8029] ? find_held_lock+0x36/0x1d0 [ 108.831972][ T8029] ? v9fs_show_options+0x6c0/0x6c0 [ 108.837072][ T8029] ? __kasan_check_read+0x11/0x20 [ 108.842099][ T8029] ? v9fs_mount+0x55/0x7f0 [ 108.846503][ T8029] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.852982][ T8029] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.859029][ T8029] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.864845][ T8029] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.870379][ T8029] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.875651][ T8029] v9fs_mount+0x72/0x7f0 [ 108.879889][ T8029] ? v9fs_write_inode+0x50/0x50 [ 108.884720][ T8029] legacy_get_tree+0x103/0x1f0 [ 108.889487][ T8029] vfs_get_tree+0x8b/0x2d0 [ 108.893880][ T8029] ? capable+0x14/0x20 [ 108.897933][ T8029] do_mount+0x1270/0x1b60 [ 108.902255][ T8029] ? lock_downgrade+0x900/0x900 [ 108.907091][ T8029] ? copy_mount_string+0x20/0x20 [ 108.912028][ T8029] ? __kasan_check_write+0x14/0x20 [ 108.917139][ T8029] ? _copy_from_user+0xd6/0x110 [ 108.921986][ T8029] __x64_sys_mount+0x169/0x1c0 [ 108.926730][ T8029] do_syscall_64+0xd0/0x630 [ 108.931213][ T8029] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.937079][ T8029] RIP: 0033:0x458da9 [ 108.940947][ T8029] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 108.960531][ T8029] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.968942][ T8029] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 108.976900][ T8029] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.984855][ T8029] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 108.992808][ T8029] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 109.000774][ T8029] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.008754][ T8046] CPU: 1 PID: 8046 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 109.017335][ T8046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.027385][ T8046] Call Trace: [ 109.030668][ T8046] dump_stack+0x12d/0x187 [ 109.034997][ T8046] should_fail.cold.4+0x5/0x13 [ 109.039758][ T8046] ? fault_create_debugfs_attr+0x150/0x150 [ 109.045552][ T8046] ? ___might_sleep+0x16b/0x2b0 [ 109.050395][ T8046] __should_failslab+0xba/0xf0 [ 109.055148][ T8046] should_failslab+0x9/0x14 [ 109.060351][ T8046] __kmalloc+0x2eb/0x790 [ 109.064586][ T8046] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 109.069862][ T8046] p9_fcall_init.isra.2+0x55/0x1c0 [ 109.074971][ T8046] p9_client_prepare_req.part.5+0x116/0x670 [ 109.080872][ T8046] p9_client_rpc+0x174/0xe50 [ 109.085461][ T8046] ? p9_client_prepare_req.part.5+0x670/0x670 [ 109.086529][ T8057] FAULT_INJECTION: forcing a failure. [ 109.086529][ T8057] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 109.091518][ T8046] ? p9_pollwait+0x182/0x210 [ 109.109260][ T8046] ? pipe_poll+0xc2/0x6b0 [ 109.113565][ T8046] ? ksys_dup3+0x2e0/0x2e0 [ 109.117957][ T8046] ? p9_fd_poll+0x19b/0x2a0 [ 109.122459][ T8046] ? p9_conn_create+0x399/0x4e0 [ 109.127505][ T8046] ? p9_conn_create+0x4e0/0x4e0 [ 109.132355][ T8046] p9_client_create+0x7ec/0x10e0 [ 109.137289][ T8046] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 109.143343][ T8046] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.148887][ T8046] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.154939][ T8046] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.160749][ T8046] ? __kmalloc_track_caller+0x60e/0x780 [ 109.166271][ T8046] ? __x64_sys_mount+0x169/0x1c0 [ 109.171194][ T8046] ? do_syscall_64+0xd0/0x630 [ 109.175851][ T8046] ? lockdep_init_map+0x1b6/0x6c0 [ 109.180866][ T8046] v9fs_session_init+0x1ed/0x14c0 [ 109.185883][ T8046] ? v9fs_session_init+0x1ed/0x14c0 [ 109.191088][ T8046] ? cache_grow_end+0xa8/0x190 [ 109.195841][ T8046] ? lock_downgrade+0x900/0x900 [ 109.200669][ T8046] ? __kasan_check_write+0x14/0x20 [ 109.205761][ T8046] ? v9fs_show_options+0x6c0/0x6c0 [ 109.210856][ T8046] ? __kasan_check_read+0x11/0x20 [ 109.215863][ T8046] ? v9fs_mount+0x55/0x7f0 [ 109.220259][ T8046] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.225780][ T8046] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.231818][ T8046] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.237612][ T8046] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.243153][ T8046] v9fs_mount+0x72/0x7f0 [ 109.247372][ T8046] ? v9fs_write_inode+0x50/0x50 [ 109.252195][ T8046] legacy_get_tree+0x103/0x1f0 [ 109.256949][ T8046] vfs_get_tree+0x8b/0x2d0 [ 109.261335][ T8046] ? capable+0x14/0x20 [ 109.265382][ T8046] do_mount+0x1270/0x1b60 [ 109.269697][ T8046] ? lock_downgrade+0x900/0x900 [ 109.274542][ T8046] ? copy_mount_string+0x20/0x20 [ 109.279480][ T8046] ? __kasan_check_write+0x14/0x20 [ 109.284565][ T8046] ? _copy_from_user+0xd6/0x110 [ 109.289396][ T8046] __x64_sys_mount+0x169/0x1c0 [ 109.294147][ T8046] do_syscall_64+0xd0/0x630 [ 109.298632][ T8046] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.304510][ T8046] RIP: 0033:0x458da9 [ 109.308381][ T8046] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.327959][ T8046] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 109.336341][ T8046] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 109.344288][ T8046] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 109.352232][ T8046] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 109.360178][ T8046] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 109.368123][ T8046] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.376095][ T8057] CPU: 0 PID: 8057 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 109.377760][ T8047] FAULT_INJECTION: forcing a failure. [ 109.377760][ T8047] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 109.384686][ T8057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.407888][ T8057] Call Trace: [ 109.411157][ T8057] dump_stack+0x12d/0x187 [ 109.415466][ T8057] should_fail.cold.4+0x5/0x13 [ 109.420201][ T8057] ? do_mount+0x1270/0x1b60 [ 109.424679][ T8057] ? fault_create_debugfs_attr+0x150/0x150 [ 109.430460][ T8057] ? find_held_lock+0x36/0x1d0 [ 109.435202][ T8057] should_fail_alloc_page+0x50/0x60 [ 109.440372][ T8057] __alloc_pages_nodemask+0x17f/0x890 [ 109.445718][ T8057] ? cache_grow_end+0xa8/0x190 [ 109.450467][ T8057] ? __alloc_pages_slowpath+0x2540/0x2540 [ 109.456163][ T8057] ? do_raw_spin_lock+0x132/0x2e0 [ 109.461174][ T8057] cache_grow_begin+0x92/0xca0 [ 109.465910][ T8057] ? __kmalloc+0xc5/0x790 [ 109.470217][ T8057] ? trace_hardirqs_off+0x41/0x1a0 [ 109.475306][ T8057] __kmalloc+0x6cd/0x790 [ 109.479545][ T8057] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 109.484823][ T8057] p9_fcall_init.isra.2+0x55/0x1c0 [ 109.489922][ T8057] p9_client_prepare_req.part.5+0x116/0x670 [ 109.495818][ T8057] p9_client_rpc+0x174/0xe50 [ 109.500405][ T8057] ? p9_client_prepare_req.part.5+0x670/0x670 [ 109.506455][ T8057] ? p9_pollwait+0x182/0x210 [ 109.511051][ T8057] ? pipe_poll+0xc2/0x6b0 [ 109.515366][ T8057] ? ksys_dup3+0x2e0/0x2e0 [ 109.519782][ T8057] ? p9_fd_poll+0x19b/0x2a0 [ 109.524269][ T8057] ? p9_conn_create+0x399/0x4e0 [ 109.529100][ T8057] ? p9_conn_create+0x4e0/0x4e0 [ 109.533934][ T8057] p9_client_create+0x7ec/0x10e0 [ 109.538868][ T8057] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 109.544911][ T8057] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.550428][ T8057] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.556466][ T8057] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.562258][ T8057] ? __kmalloc_track_caller+0x60e/0x780 [ 109.567774][ T8057] ? __x64_sys_mount+0x169/0x1c0 [ 109.572684][ T8057] ? do_syscall_64+0xd0/0x630 [ 109.577341][ T8057] ? lockdep_init_map+0x1b6/0x6c0 [ 109.582350][ T8057] v9fs_session_init+0x1ed/0x14c0 [ 109.587349][ T8057] ? v9fs_session_init+0x1ed/0x14c0 [ 109.592517][ T8057] ? __lock_acquire+0x100f/0x4ef0 [ 109.597516][ T8057] ? find_held_lock+0x36/0x1d0 [ 109.602268][ T8057] ? v9fs_show_options+0x6c0/0x6c0 [ 109.607353][ T8057] ? __kasan_check_read+0x11/0x20 [ 109.612354][ T8057] ? v9fs_mount+0x55/0x7f0 [ 109.616744][ T8057] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.622260][ T8057] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.628304][ T8057] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.634088][ T8057] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.639744][ T8057] ? apparmor_task_alloc+0x2f0/0x2f0 [ 109.645353][ T8057] v9fs_mount+0x72/0x7f0 [ 109.649588][ T8057] ? v9fs_write_inode+0x50/0x50 [ 109.654414][ T8057] legacy_get_tree+0x103/0x1f0 [ 109.659165][ T8057] vfs_get_tree+0x8b/0x2d0 [ 109.663559][ T8057] ? capable+0x14/0x20 [ 109.667606][ T8057] do_mount+0x1270/0x1b60 [ 109.671928][ T8057] ? lock_downgrade+0x900/0x900 [ 109.676770][ T8057] ? copy_mount_string+0x20/0x20 [ 109.681703][ T8057] ? __kasan_check_write+0x14/0x20 [ 109.686795][ T8057] ? _copy_from_user+0xd6/0x110 [ 109.691626][ T8057] __x64_sys_mount+0x169/0x1c0 [ 109.696370][ T8057] do_syscall_64+0xd0/0x630 [ 109.700876][ T8057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.706743][ T8057] RIP: 0033:0x458da9 [ 109.710611][ T8057] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.730198][ T8057] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 109.738603][ T8057] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 109.746552][ T8057] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 109.754499][ T8057] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 109.762453][ T8057] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 109.770401][ T8057] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.778379][ T8047] CPU: 1 PID: 8047 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 109.786966][ T8047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.797015][ T8047] Call Trace: [ 109.800298][ T8047] dump_stack+0x12d/0x187 [ 109.804614][ T8047] should_fail.cold.4+0x5/0x13 [ 109.809357][ T8047] ? do_mount+0x1270/0x1b60 [ 109.813853][ T8047] ? fault_create_debugfs_attr+0x150/0x150 [ 109.819644][ T8047] ? find_held_lock+0x36/0x1d0 [ 109.824393][ T8047] should_fail_alloc_page+0x50/0x60 [ 109.829567][ T8047] __alloc_pages_nodemask+0x17f/0x890 [ 109.834914][ T8047] ? cache_grow_end+0xa8/0x190 [ 109.839651][ T8047] ? __alloc_pages_slowpath+0x2540/0x2540 [ 109.845345][ T8047] ? do_raw_spin_lock+0x132/0x2e0 [ 109.850380][ T8047] cache_grow_begin+0x92/0xca0 [ 109.855139][ T8047] ? __kmalloc+0xc5/0x790 [ 109.859455][ T8047] ? trace_hardirqs_off+0x41/0x1a0 [ 109.864559][ T8047] __kmalloc+0x6cd/0x790 [ 109.868803][ T8047] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 109.874082][ T8047] p9_fcall_init.isra.2+0x55/0x1c0 [ 109.875448][ T8060] FAULT_INJECTION: forcing a failure. [ 109.875448][ T8060] name failslab, interval 1, probability 0, space 0, times 0 [ 109.879286][ T8047] p9_client_prepare_req.part.5+0x116/0x670 [ 109.879302][ T8047] p9_client_rpc+0x174/0xe50 [ 109.879316][ T8047] ? p9_client_prepare_req.part.5+0x670/0x670 [ 109.879329][ T8047] ? p9_pollwait+0x182/0x210 [ 109.912973][ T8047] ? pipe_poll+0xc2/0x6b0 [ 109.917293][ T8047] ? ksys_dup3+0x2e0/0x2e0 [ 109.921704][ T8047] ? p9_fd_poll+0x19b/0x2a0 [ 109.926231][ T8047] ? p9_conn_create+0x399/0x4e0 [ 109.931080][ T8047] ? p9_conn_create+0x4e0/0x4e0 [ 109.935920][ T8047] p9_client_create+0x7ec/0x10e0 [ 109.940839][ T8047] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 109.946881][ T8047] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.952409][ T8047] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.958457][ T8047] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.964244][ T8047] ? __kmalloc_track_caller+0x60e/0x780 [ 109.969768][ T8047] ? __x64_sys_mount+0x169/0x1c0 [ 109.974680][ T8047] ? do_syscall_64+0xd0/0x630 [ 109.979333][ T8047] ? lockdep_init_map+0x1b6/0x6c0 [ 109.984342][ T8047] v9fs_session_init+0x1ed/0x14c0 [ 109.989342][ T8047] ? v9fs_session_init+0x1ed/0x14c0 [ 109.994526][ T8047] ? __lock_acquire+0x100f/0x4ef0 [ 109.999638][ T8047] ? find_held_lock+0x36/0x1d0 [ 110.004390][ T8047] ? v9fs_show_options+0x6c0/0x6c0 [ 110.009473][ T8047] ? __kasan_check_read+0x11/0x20 [ 110.014472][ T8047] ? v9fs_mount+0x55/0x7f0 [ 110.018861][ T8047] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.024383][ T8047] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.030424][ T8047] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.036212][ T8047] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.041739][ T8047] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.047015][ T8047] v9fs_mount+0x72/0x7f0 [ 110.051252][ T8047] ? v9fs_write_inode+0x50/0x50 [ 110.056083][ T8047] legacy_get_tree+0x103/0x1f0 [ 110.060833][ T8047] vfs_get_tree+0x8b/0x2d0 [ 110.065229][ T8047] ? capable+0x14/0x20 [ 110.069276][ T8047] do_mount+0x1270/0x1b60 [ 110.073587][ T8047] ? lock_downgrade+0x900/0x900 [ 110.078417][ T8047] ? copy_mount_string+0x20/0x20 [ 110.083338][ T8047] ? __kasan_check_write+0x14/0x20 [ 110.088424][ T8047] ? _copy_from_user+0xd6/0x110 [ 110.093256][ T8047] __x64_sys_mount+0x169/0x1c0 [ 110.097996][ T8047] do_syscall_64+0xd0/0x630 [ 110.102480][ T8047] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.108381][ T8047] RIP: 0033:0x458da9 [ 110.112259][ T8047] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.131859][ T8047] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 110.140260][ T8047] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 110.148210][ T8047] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 110.156159][ T8047] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 110.164105][ T8047] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 110.172057][ T8047] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 110.180033][ T8050] CPU: 0 PID: 8050 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 110.188645][ T8050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.198693][ T8050] Call Trace: [ 110.201967][ T8050] dump_stack+0x12d/0x187 [ 110.206298][ T8050] should_fail.cold.4+0x5/0x13 [ 110.211053][ T8050] ? fault_create_debugfs_attr+0x150/0x150 [ 110.216858][ T8050] ? ___might_sleep+0x16b/0x2b0 [ 110.221698][ T8050] __should_failslab+0xba/0xf0 [ 110.226442][ T8050] should_failslab+0x9/0x14 [ 110.230924][ T8050] __kmalloc+0x2eb/0x790 [ 110.235156][ T8050] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 110.240436][ T8050] p9_fcall_init.isra.2+0x55/0x1c0 [ 110.245540][ T8050] p9_client_prepare_req.part.5+0x116/0x670 [ 110.251420][ T8050] p9_client_rpc+0x174/0xe50 [ 110.255998][ T8050] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.262055][ T8050] ? p9_pollwait+0x182/0x210 [ 110.266635][ T8050] ? pipe_poll+0xc2/0x6b0 [ 110.270946][ T8050] ? ksys_dup3+0x2e0/0x2e0 [ 110.275345][ T8050] ? p9_fd_poll+0x19b/0x2a0 [ 110.279830][ T8050] ? p9_conn_create+0x399/0x4e0 [ 110.284726][ T8050] ? p9_conn_create+0x4e0/0x4e0 [ 110.289581][ T8050] p9_client_create+0x7ec/0x10e0 [ 110.294771][ T8050] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 110.300831][ T8050] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.306393][ T8050] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.312437][ T8050] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.318224][ T8050] ? __kmalloc_track_caller+0x60e/0x780 [ 110.323778][ T8050] ? __x64_sys_mount+0x169/0x1c0 [ 110.328697][ T8050] ? do_syscall_64+0xd0/0x630 [ 110.333348][ T8050] ? lockdep_init_map+0x1b6/0x6c0 [ 110.338379][ T8050] v9fs_session_init+0x1ed/0x14c0 [ 110.343403][ T8050] ? v9fs_session_init+0x1ed/0x14c0 [ 110.348924][ T8050] ? __lock_acquire+0x100f/0x4ef0 [ 110.353942][ T8050] ? find_held_lock+0x36/0x1d0 [ 110.358703][ T8050] ? v9fs_show_options+0x6c0/0x6c0 [ 110.363797][ T8050] ? __kasan_check_read+0x11/0x20 [ 110.368820][ T8050] ? v9fs_mount+0x55/0x7f0 [ 110.373220][ T8050] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.378749][ T8050] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.384800][ T8050] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.390596][ T8050] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.396127][ T8050] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.401397][ T8050] v9fs_mount+0x72/0x7f0 [ 110.405622][ T8050] ? v9fs_write_inode+0x50/0x50 [ 110.410467][ T8050] legacy_get_tree+0x103/0x1f0 [ 110.415213][ T8050] vfs_get_tree+0x8b/0x2d0 [ 110.419604][ T8050] ? capable+0x14/0x20 [ 110.423653][ T8050] do_mount+0x1270/0x1b60 [ 110.427956][ T8050] ? lock_downgrade+0x900/0x900 [ 110.432788][ T8050] ? copy_mount_string+0x20/0x20 [ 110.437713][ T8050] ? __kasan_check_write+0x14/0x20 [ 110.442803][ T8050] ? _copy_from_user+0xd6/0x110 [ 110.447646][ T8050] __x64_sys_mount+0x169/0x1c0 [ 110.452401][ T8050] do_syscall_64+0xd0/0x630 [ 110.456883][ T8050] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.462771][ T8050] RIP: 0033:0x458da9 [ 110.466657][ T8050] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.486254][ T8050] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 110.494646][ T8050] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 110.502592][ T8050] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 110.510548][ T8050] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 110.518497][ T8050] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 110.526452][ T8050] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 110.534425][ T8060] CPU: 1 PID: 8060 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 110.543014][ T8060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.553760][ T8060] Call Trace: [ 110.555474][ T8065] FAULT_INJECTION: forcing a failure. [ 110.555474][ T8065] name failslab, interval 1, probability 0, space 0, times 0 [ 110.557042][ T8060] dump_stack+0x12d/0x187 [ 110.557059][ T8060] should_fail.cold.4+0x5/0x13 [ 110.557070][ T8060] ? fault_create_debugfs_attr+0x150/0x150 [ 110.585173][ T8060] ? ___might_sleep+0x16b/0x2b0 [ 110.590017][ T8060] __should_failslab+0xba/0xf0 [ 110.594943][ T8060] should_failslab+0x9/0x14 [ 110.599435][ T8060] __kmalloc+0x2eb/0x790 [ 110.603658][ T8060] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 110.608922][ T8060] p9_fcall_init.isra.2+0x55/0x1c0 [ 110.614017][ T8060] p9_client_prepare_req.part.5+0x116/0x670 [ 110.619906][ T8060] p9_client_rpc+0x174/0xe50 [ 110.624478][ T8060] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.630529][ T8060] ? p9_pollwait+0x182/0x210 [ 110.635104][ T8060] ? pipe_poll+0xc2/0x6b0 [ 110.639407][ T8060] ? ksys_dup3+0x2e0/0x2e0 [ 110.643799][ T8060] ? p9_fd_poll+0x19b/0x2a0 [ 110.648281][ T8060] ? p9_conn_create+0x399/0x4e0 [ 110.653116][ T8060] ? p9_conn_create+0x4e0/0x4e0 [ 110.657957][ T8060] p9_client_create+0x7ec/0x10e0 [ 110.663437][ T8060] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 110.669478][ T8060] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.675002][ T8060] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.681054][ T8060] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.686843][ T8060] ? __kmalloc_track_caller+0x60e/0x780 [ 110.692368][ T8060] ? __x64_sys_mount+0x169/0x1c0 [ 110.697295][ T8060] ? do_syscall_64+0xd0/0x630 [ 110.701957][ T8060] ? lockdep_init_map+0x1b6/0x6c0 [ 110.706973][ T8060] v9fs_session_init+0x1ed/0x14c0 [ 110.711993][ T8060] ? v9fs_session_init+0x1ed/0x14c0 [ 110.717179][ T8060] ? __lock_acquire+0x100f/0x4ef0 [ 110.722270][ T8060] ? find_held_lock+0x36/0x1d0 [ 110.727018][ T8060] ? v9fs_show_options+0x6c0/0x6c0 [ 110.732109][ T8060] ? __kasan_check_read+0x11/0x20 [ 110.737119][ T8060] ? v9fs_mount+0x55/0x7f0 [ 110.741514][ T8060] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.747045][ T8060] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.753090][ T8060] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.758882][ T8060] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.764403][ T8060] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.769666][ T8060] v9fs_mount+0x72/0x7f0 [ 110.773891][ T8060] ? v9fs_write_inode+0x50/0x50 [ 110.778737][ T8060] legacy_get_tree+0x103/0x1f0 [ 110.783480][ T8060] vfs_get_tree+0x8b/0x2d0 [ 110.787870][ T8060] ? capable+0x14/0x20 [ 110.791932][ T8060] do_mount+0x1270/0x1b60 [ 110.796247][ T8060] ? lock_downgrade+0x900/0x900 [ 110.801085][ T8060] ? copy_mount_string+0x20/0x20 [ 110.806016][ T8060] ? __kasan_check_write+0x14/0x20 [ 110.811110][ T8060] ? _copy_from_user+0xd6/0x110 [ 110.815946][ T8060] __x64_sys_mount+0x169/0x1c0 [ 110.820693][ T8060] do_syscall_64+0xd0/0x630 [ 110.825199][ T8060] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.831074][ T8060] RIP: 0033:0x458da9 [ 110.834954][ T8060] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.854539][ T8060] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 110.862926][ T8060] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 110.870875][ T8060] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 110.878827][ T8060] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 110.886773][ T8060] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 110.894719][ T8060] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 110.902687][ T8042] CPU: 0 PID: 8042 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 110.911268][ T8042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.912794][ T8069] FAULT_INJECTION: forcing a failure. [ 110.912794][ T8069] name failslab, interval 1, probability 0, space 0, times 0 [ 110.921322][ T8042] Call Trace: [ 110.921334][ T8042] dump_stack+0x12d/0x187 [ 110.921351][ T8042] should_fail.cold.4+0x5/0x13 [ 110.921362][ T8042] ? fault_create_debugfs_attr+0x150/0x150 [ 110.921374][ T8042] ? ___might_sleep+0x16b/0x2b0 [ 110.921388][ T8042] __should_failslab+0xba/0xf0 [ 110.921399][ T8042] should_failslab+0x9/0x14 [ 110.966620][ T8042] __kmalloc+0x2eb/0x790 [ 110.970852][ T8042] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 110.976132][ T8042] p9_fcall_init.isra.2+0x55/0x1c0 [ 110.981235][ T8042] p9_client_prepare_req.part.5+0x116/0x670 [ 110.987120][ T8042] p9_client_rpc+0x174/0xe50 [ 110.991693][ T8042] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.997745][ T8042] ? p9_pollwait+0x182/0x210 [ 111.002327][ T8042] ? pipe_poll+0xc2/0x6b0 [ 111.006633][ T8042] ? ksys_dup3+0x2e0/0x2e0 [ 111.011026][ T8042] ? p9_fd_poll+0x19b/0x2a0 [ 111.015594][ T8042] ? p9_conn_create+0x399/0x4e0 [ 111.021117][ T8042] ? p9_conn_create+0x4e0/0x4e0 [ 111.025949][ T8042] p9_client_create+0x7ec/0x10e0 [ 111.030872][ T8042] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.036913][ T8042] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.042435][ T8042] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.048476][ T8042] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.054277][ T8042] ? __kmalloc_track_caller+0x60e/0x780 [ 111.060469][ T8042] ? __x64_sys_mount+0x169/0x1c0 [ 111.065392][ T8042] ? do_syscall_64+0xd0/0x630 [ 111.070041][ T8042] ? lockdep_init_map+0x1b6/0x6c0 [ 111.075057][ T8042] v9fs_session_init+0x1ed/0x14c0 [ 111.080057][ T8042] ? v9fs_session_init+0x1ed/0x14c0 [ 111.085227][ T8042] ? __lock_acquire+0x100f/0x4ef0 [ 111.090229][ T8042] ? find_held_lock+0x36/0x1d0 [ 111.094975][ T8042] ? v9fs_show_options+0x6c0/0x6c0 [ 111.100063][ T8042] ? __kasan_check_read+0x11/0x20 [ 111.105070][ T8042] ? v9fs_mount+0x55/0x7f0 [ 111.109462][ T8042] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.114981][ T8042] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.121023][ T8042] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.126818][ T8042] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.132342][ T8042] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.137608][ T8042] v9fs_mount+0x72/0x7f0 [ 111.141830][ T8042] ? v9fs_write_inode+0x50/0x50 [ 111.146657][ T8042] legacy_get_tree+0x103/0x1f0 [ 111.151413][ T8042] vfs_get_tree+0x8b/0x2d0 [ 111.155801][ T8042] ? capable+0x14/0x20 [ 111.160444][ T8042] do_mount+0x1270/0x1b60 [ 111.164748][ T8042] ? lock_downgrade+0x900/0x900 [ 111.169581][ T8042] ? copy_mount_string+0x20/0x20 [ 111.174514][ T8042] ? __kasan_check_write+0x14/0x20 [ 111.179613][ T8042] ? _copy_from_user+0xd6/0x110 [ 111.184462][ T8042] __x64_sys_mount+0x169/0x1c0 [ 111.189217][ T8042] do_syscall_64+0xd0/0x630 [ 111.193707][ T8042] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.199577][ T8042] RIP: 0033:0x458da9 [ 111.203463][ T8042] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 111.223089][ T8042] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 111.231485][ T8042] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 111.239432][ T8042] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 111.247387][ T8042] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 111.255341][ T8042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 111.263297][ T8042] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 111.271284][ T8069] CPU: 1 PID: 8069 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 111.279875][ T8069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.289921][ T8069] Call Trace: [ 111.293195][ T8069] dump_stack+0x12d/0x187 [ 111.297507][ T8069] should_fail.cold.4+0x5/0x13 [ 111.302262][ T8069] ? fault_create_debugfs_attr+0x150/0x150 [ 111.308054][ T8069] ? ___might_sleep+0x16b/0x2b0 [ 111.312900][ T8069] __should_failslab+0xba/0xf0 [ 111.317664][ T8069] should_failslab+0x9/0x14 [ 111.322158][ T8069] __kmalloc+0x2eb/0x790 [ 111.326410][ T8069] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 111.331687][ T8069] p9_fcall_init.isra.2+0x55/0x1c0 [ 111.336780][ T8069] p9_client_prepare_req.part.5+0x116/0x670 [ 111.342665][ T8069] p9_client_rpc+0x174/0xe50 [ 111.347246][ T8069] ? p9_client_prepare_req.part.5+0x670/0x670 [ 111.353293][ T8069] ? p9_pollwait+0x182/0x210 [ 111.357865][ T8069] ? pipe_poll+0xc2/0x6b0 [ 111.362173][ T8069] ? ksys_dup3+0x2e0/0x2e0 [ 111.366572][ T8069] ? p9_fd_poll+0x19b/0x2a0 [ 111.371059][ T8069] ? p9_conn_create+0x399/0x4e0 [ 111.375892][ T8069] ? p9_conn_create+0x4e0/0x4e0 [ 111.380737][ T8069] p9_client_create+0x7ec/0x10e0 [ 111.385660][ T8069] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.391698][ T8069] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.397214][ T8069] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.403265][ T8069] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.409057][ T8069] ? __kmalloc_track_caller+0x60e/0x780 [ 111.414606][ T8069] ? __x64_sys_mount+0x169/0x1c0 [ 111.419536][ T8069] ? do_syscall_64+0xd0/0x630 [ 111.424196][ T8069] ? lockdep_init_map+0x1b6/0x6c0 [ 111.429224][ T8069] v9fs_session_init+0x1ed/0x14c0 [ 111.434232][ T8069] ? v9fs_session_init+0x1ed/0x14c0 [ 111.439412][ T8069] ? __lock_acquire+0x100f/0x4ef0 [ 111.444418][ T8069] ? find_held_lock+0x36/0x1d0 [ 111.449168][ T8069] ? v9fs_show_options+0x6c0/0x6c0 [ 111.454259][ T8069] ? __kasan_check_read+0x11/0x20 [ 111.459264][ T8069] ? v9fs_mount+0x55/0x7f0 [ 111.463657][ T8069] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.469176][ T8069] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.475215][ T8069] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.481015][ T8069] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.486541][ T8069] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.491805][ T8069] v9fs_mount+0x72/0x7f0 [ 111.496032][ T8069] ? v9fs_write_inode+0x50/0x50 [ 111.500878][ T8069] legacy_get_tree+0x103/0x1f0 [ 111.505639][ T8069] vfs_get_tree+0x8b/0x2d0 [ 111.510038][ T8069] ? capable+0x14/0x20 [ 111.514095][ T8069] do_mount+0x1270/0x1b60 [ 111.518399][ T8069] ? lock_downgrade+0x900/0x900 [ 111.523233][ T8069] ? copy_mount_string+0x20/0x20 [ 111.528178][ T8069] ? __kasan_check_write+0x14/0x20 [ 111.533286][ T8069] ? _copy_from_user+0xd6/0x110 [ 111.538136][ T8069] __x64_sys_mount+0x169/0x1c0 [ 111.542896][ T8069] do_syscall_64+0xd0/0x630 [ 111.547384][ T8069] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.553254][ T8069] RIP: 0033:0x458da9 [ 111.557125][ T8069] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 111.576725][ T8069] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 111.585112][ T8069] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 111.593066][ T8069] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 111.601025][ T8069] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 111.608978][ T8069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 111.616930][ T8069] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 111.625214][ T8065] CPU: 0 PID: 8065 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 111.633811][ T8065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.643866][ T8065] Call Trace: [ 111.647160][ T8065] dump_stack+0x12d/0x187 [ 111.650817][ T8074] FAULT_INJECTION: forcing a failure. [ 111.650817][ T8074] name failslab, interval 1, probability 0, space 0, times 0 [ 111.651492][ T8065] should_fail.cold.4+0x5/0x13 [ 111.651504][ T8065] ? fault_create_debugfs_attr+0x150/0x150 [ 111.651519][ T8065] ? ___might_sleep+0x16b/0x2b0 [ 111.665053][ T8076] FAULT_INJECTION: forcing a failure. [ 111.665053][ T8076] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 111.668858][ T8065] __should_failslab+0xba/0xf0 [ 111.697384][ T8065] should_failslab+0x9/0x14 [ 111.701861][ T8065] __kmalloc+0x2eb/0x790 [ 111.706085][ T8065] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 111.711351][ T8065] p9_fcall_init.isra.2+0x55/0x1c0 [ 111.716447][ T8065] p9_client_prepare_req.part.5+0x116/0x670 [ 111.722324][ T8065] p9_client_rpc+0x174/0xe50 [ 111.726907][ T8065] ? p9_client_prepare_req.part.5+0x670/0x670 [ 111.732951][ T8065] ? p9_pollwait+0x182/0x210 [ 111.737520][ T8065] ? pipe_poll+0xc2/0x6b0 [ 111.741820][ T8065] ? ksys_dup3+0x2e0/0x2e0 [ 111.746212][ T8065] ? p9_fd_poll+0x19b/0x2a0 [ 111.750695][ T8065] ? p9_conn_create+0x399/0x4e0 [ 111.755521][ T8065] ? p9_conn_create+0x4e0/0x4e0 [ 111.760353][ T8065] p9_client_create+0x7ec/0x10e0 [ 111.765271][ T8065] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.771325][ T8065] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.776865][ T8065] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.782918][ T8065] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.788717][ T8065] ? __kmalloc_track_caller+0x60e/0x780 [ 111.794239][ T8065] ? __x64_sys_mount+0x169/0x1c0 [ 111.799160][ T8065] ? do_syscall_64+0xd0/0x630 [ 111.803814][ T8065] ? lockdep_init_map+0x1b6/0x6c0 [ 111.808824][ T8065] v9fs_session_init+0x1ed/0x14c0 [ 111.813833][ T8065] ? v9fs_session_init+0x1ed/0x14c0 [ 111.819004][ T8065] ? __lock_acquire+0x100f/0x4ef0 [ 111.824005][ T8065] ? find_held_lock+0x36/0x1d0 [ 111.828747][ T8065] ? v9fs_show_options+0x6c0/0x6c0 [ 111.833840][ T8065] ? __kasan_check_read+0x11/0x20 [ 111.838849][ T8065] ? v9fs_mount+0x55/0x7f0 [ 111.843241][ T8065] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.848757][ T8065] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.854793][ T8065] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.860585][ T8065] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.866134][ T8065] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.871423][ T8065] v9fs_mount+0x72/0x7f0 [ 111.875763][ T8065] ? v9fs_write_inode+0x50/0x50 [ 111.880598][ T8065] legacy_get_tree+0x103/0x1f0 [ 111.885342][ T8065] vfs_get_tree+0x8b/0x2d0 [ 111.889734][ T8065] ? capable+0x14/0x20 [ 111.893786][ T8065] do_mount+0x1270/0x1b60 [ 111.898094][ T8065] ? lock_downgrade+0x900/0x900 [ 111.902926][ T8065] ? copy_mount_string+0x20/0x20 [ 111.907860][ T8065] ? __kasan_check_write+0x14/0x20 [ 111.912948][ T8065] ? _copy_from_user+0xd6/0x110 [ 111.917780][ T8065] __x64_sys_mount+0x169/0x1c0 [ 111.922523][ T8065] do_syscall_64+0xd0/0x630 [ 111.927006][ T8065] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.932889][ T8065] RIP: 0033:0x458da9 [ 111.936759][ T8065] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 111.956344][ T8065] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 111.964741][ T8065] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 111.972692][ T8065] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 111.980639][ T8065] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 111.988597][ T8065] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 111.996552][ T8065] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.004525][ T8076] CPU: 1 PID: 8076 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 112.013108][ T8076] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.018574][ T8077] FAULT_INJECTION: forcing a failure. [ 112.018574][ T8077] name failslab, interval 1, probability 0, space 0, times 0 [ 112.023152][ T8076] Call Trace: [ 112.023164][ T8076] dump_stack+0x12d/0x187 [ 112.023183][ T8076] should_fail.cold.4+0x5/0x13 [ 112.023190][ T8076] ? do_mount+0x1270/0x1b60 [ 112.023199][ T8076] ? fault_create_debugfs_attr+0x150/0x150 [ 112.023210][ T8076] ? find_held_lock+0x36/0x1d0 [ 112.023223][ T8076] should_fail_alloc_page+0x50/0x60 [ 112.023228][ T8076] __alloc_pages_nodemask+0x17f/0x890 [ 112.023235][ T8076] ? cache_grow_end+0xa8/0x190 [ 112.023244][ T8076] ? __alloc_pages_slowpath+0x2540/0x2540 [ 112.023250][ T8076] ? do_raw_spin_lock+0x132/0x2e0 [ 112.023271][ T8076] cache_grow_begin+0x92/0xca0 [ 112.093830][ T8076] ? __kmalloc+0xc5/0x790 [ 112.098143][ T8076] ? trace_hardirqs_off+0x41/0x1a0 [ 112.103251][ T8076] __kmalloc+0x6cd/0x790 [ 112.107490][ T8076] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 112.112770][ T8076] p9_fcall_init.isra.2+0x55/0x1c0 [ 112.117877][ T8076] p9_client_prepare_req.part.5+0x116/0x670 [ 112.123772][ T8076] p9_client_rpc+0x174/0xe50 [ 112.128362][ T8076] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.134451][ T8076] ? p9_pollwait+0x182/0x210 [ 112.139039][ T8076] ? pipe_poll+0xc2/0x6b0 [ 112.143360][ T8076] ? ksys_dup3+0x2e0/0x2e0 [ 112.147765][ T8076] ? p9_fd_poll+0x19b/0x2a0 [ 112.152252][ T8076] ? p9_conn_create+0x399/0x4e0 [ 112.157105][ T8076] ? p9_conn_create+0x4e0/0x4e0 [ 112.161954][ T8076] p9_client_create+0x7ec/0x10e0 [ 112.166894][ T8076] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 112.172942][ T8076] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.178479][ T8076] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.184519][ T8076] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.190326][ T8076] ? __kmalloc_track_caller+0x60e/0x780 [ 112.195859][ T8076] ? __x64_sys_mount+0x169/0x1c0 [ 112.200773][ T8076] ? do_syscall_64+0xd0/0x630 [ 112.205429][ T8076] ? lockdep_init_map+0x1b6/0x6c0 [ 112.210445][ T8076] v9fs_session_init+0x1ed/0x14c0 [ 112.215469][ T8076] ? v9fs_session_init+0x1ed/0x14c0 [ 112.220646][ T8076] ? __lock_acquire+0x100f/0x4ef0 [ 112.225652][ T8076] ? find_held_lock+0x36/0x1d0 [ 112.230405][ T8076] ? v9fs_show_options+0x6c0/0x6c0 [ 112.235495][ T8076] ? __kasan_check_read+0x11/0x20 [ 112.240505][ T8076] ? v9fs_mount+0x55/0x7f0 [ 112.244902][ T8076] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.250426][ T8076] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.256585][ T8076] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.262388][ T8076] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.267928][ T8076] ? apparmor_task_alloc+0x2f0/0x2f0 [ 112.273214][ T8076] v9fs_mount+0x72/0x7f0 [ 112.277447][ T8076] ? v9fs_write_inode+0x50/0x50 [ 112.282279][ T8076] legacy_get_tree+0x103/0x1f0 [ 112.287028][ T8076] vfs_get_tree+0x8b/0x2d0 [ 112.291425][ T8076] ? capable+0x14/0x20 [ 112.295490][ T8076] do_mount+0x1270/0x1b60 [ 112.299796][ T8076] ? lock_downgrade+0x900/0x900 [ 112.304633][ T8076] ? copy_mount_string+0x20/0x20 [ 112.309557][ T8076] ? __kasan_check_write+0x14/0x20 [ 112.314647][ T8076] ? _copy_from_user+0xd6/0x110 [ 112.319480][ T8076] __x64_sys_mount+0x169/0x1c0 [ 112.324229][ T8076] do_syscall_64+0xd0/0x630 [ 112.328721][ T8076] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.334589][ T8076] RIP: 0033:0x458da9 [ 112.338459][ T8076] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 112.358047][ T8076] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.366455][ T8076] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 112.374405][ T8076] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 2020/03/22 08:54:29 executed programs: 136 [ 112.382355][ T8076] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.390316][ T8076] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 112.398285][ T8076] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.406278][ T8077] CPU: 0 PID: 8077 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 112.414872][ T8077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.419761][ T8083] FAULT_INJECTION: forcing a failure. [ 112.419761][ T8083] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 112.424939][ T8077] Call Trace: [ 112.441379][ T8077] dump_stack+0x12d/0x187 [ 112.445715][ T8077] should_fail.cold.4+0x5/0x13 [ 112.450469][ T8077] ? fault_create_debugfs_attr+0x150/0x150 [ 112.456263][ T8077] ? ___might_sleep+0x16b/0x2b0 [ 112.461096][ T8077] __should_failslab+0xba/0xf0 [ 112.465849][ T8077] should_failslab+0x9/0x14 [ 112.470326][ T8077] __kmalloc+0x2eb/0x790 [ 112.474557][ T8077] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 112.479846][ T8077] p9_fcall_init.isra.2+0x55/0x1c0 [ 112.484940][ T8077] p9_client_prepare_req.part.5+0x116/0x670 [ 112.491790][ T8077] p9_client_rpc+0x174/0xe50 [ 112.496382][ T8077] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.502451][ T8077] ? p9_pollwait+0x182/0x210 [ 112.507033][ T8077] ? pipe_poll+0xc2/0x6b0 [ 112.511353][ T8077] ? ksys_dup3+0x2e0/0x2e0 [ 112.515749][ T8077] ? p9_fd_poll+0x19b/0x2a0 [ 112.520237][ T8077] ? p9_conn_create+0x399/0x4e0 [ 112.525068][ T8077] ? p9_conn_create+0x4e0/0x4e0 [ 112.529903][ T8077] p9_client_create+0x7ec/0x10e0 [ 112.534832][ T8077] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 112.540913][ T8077] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.546431][ T8077] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.552466][ T8077] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.558249][ T8077] ? __kmalloc_track_caller+0x60e/0x780 [ 112.563771][ T8077] ? __x64_sys_mount+0x169/0x1c0 [ 112.568681][ T8077] ? do_syscall_64+0xd0/0x630 [ 112.573331][ T8077] ? lockdep_init_map+0x1b6/0x6c0 [ 112.578337][ T8077] v9fs_session_init+0x1ed/0x14c0 [ 112.583343][ T8077] ? v9fs_session_init+0x1ed/0x14c0 [ 112.588510][ T8077] ? __lock_acquire+0x100f/0x4ef0 [ 112.593520][ T8077] ? find_held_lock+0x36/0x1d0 [ 112.598264][ T8077] ? v9fs_show_options+0x6c0/0x6c0 [ 112.603482][ T8077] ? __kasan_check_read+0x11/0x20 [ 112.608523][ T8077] ? v9fs_mount+0x55/0x7f0 [ 112.612925][ T8077] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.618450][ T8077] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.624492][ T8077] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.630287][ T8077] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.635817][ T8077] ? apparmor_task_alloc+0x2f0/0x2f0 [ 112.641079][ T8077] v9fs_mount+0x72/0x7f0 [ 112.645307][ T8077] ? v9fs_write_inode+0x50/0x50 [ 112.650131][ T8077] legacy_get_tree+0x103/0x1f0 [ 112.654875][ T8077] vfs_get_tree+0x8b/0x2d0 [ 112.659268][ T8077] ? capable+0x14/0x20 [ 112.663313][ T8077] do_mount+0x1270/0x1b60 [ 112.667620][ T8077] ? lock_downgrade+0x900/0x900 [ 112.672483][ T8077] ? copy_mount_string+0x20/0x20 [ 112.677412][ T8077] ? __kasan_check_write+0x14/0x20 [ 112.682506][ T8077] ? _copy_from_user+0xd6/0x110 [ 112.687350][ T8077] __x64_sys_mount+0x169/0x1c0 [ 112.692116][ T8077] do_syscall_64+0xd0/0x630 [ 112.696627][ T8077] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.702505][ T8077] RIP: 0033:0x458da9 [ 112.706405][ T8077] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 112.725992][ T8077] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.734393][ T8077] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 112.742349][ T8077] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 112.750310][ T8077] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.758271][ T8077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 112.766667][ T8077] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.774657][ T8083] CPU: 1 PID: 8083 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 112.783242][ T8083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.793298][ T8083] Call Trace: [ 112.795479][ T8086] FAULT_INJECTION: forcing a failure. [ 112.795479][ T8086] name failslab, interval 1, probability 0, space 0, times 0 [ 112.797273][ T8083] dump_stack+0x12d/0x187 [ 112.814178][ T8083] should_fail.cold.4+0x5/0x13 [ 112.818940][ T8083] ? do_mount+0x1270/0x1b60 [ 112.823433][ T8083] ? fault_create_debugfs_attr+0x150/0x150 [ 112.829251][ T8083] ? find_held_lock+0x36/0x1d0 [ 112.834013][ T8083] should_fail_alloc_page+0x50/0x60 [ 112.839219][ T8083] __alloc_pages_nodemask+0x17f/0x890 [ 112.844583][ T8083] ? cache_grow_end+0xa8/0x190 [ 112.849335][ T8083] ? __alloc_pages_slowpath+0x2540/0x2540 [ 112.855044][ T8083] ? do_raw_spin_lock+0x132/0x2e0 [ 112.860097][ T8083] cache_grow_begin+0x92/0xca0 [ 112.864916][ T8083] ? __kmalloc+0xc5/0x790 [ 112.869233][ T8083] ? trace_hardirqs_off+0x41/0x1a0 [ 112.874964][ T8083] __kmalloc+0x6cd/0x790 [ 112.879191][ T8083] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 112.884463][ T8083] p9_fcall_init.isra.2+0x55/0x1c0 [ 112.889553][ T8083] p9_client_prepare_req.part.5+0x116/0x670 [ 112.895424][ T8083] p9_client_rpc+0x174/0xe50 [ 112.899992][ T8083] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.906158][ T8083] ? p9_pollwait+0x182/0x210 [ 112.910728][ T8083] ? pipe_poll+0xc2/0x6b0 [ 112.915040][ T8083] ? ksys_dup3+0x2e0/0x2e0 [ 112.919434][ T8083] ? p9_fd_poll+0x19b/0x2a0 [ 112.923914][ T8083] ? p9_conn_create+0x399/0x4e0 [ 112.928770][ T8083] ? p9_conn_create+0x4e0/0x4e0 [ 112.933616][ T8083] p9_client_create+0x7ec/0x10e0 [ 112.938537][ T8083] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 112.944586][ T8083] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.950133][ T8083] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.956195][ T8083] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.961984][ T8083] ? __kmalloc_track_caller+0x60e/0x780 [ 112.967507][ T8083] ? __x64_sys_mount+0x169/0x1c0 [ 112.972431][ T8083] ? do_syscall_64+0xd0/0x630 [ 112.977079][ T8083] ? lockdep_init_map+0x1b6/0x6c0 [ 112.982090][ T8083] v9fs_session_init+0x1ed/0x14c0 [ 112.987098][ T8083] ? v9fs_session_init+0x1ed/0x14c0 [ 112.992269][ T8083] ? __lock_acquire+0x100f/0x4ef0 [ 112.997267][ T8083] ? find_held_lock+0x36/0x1d0 [ 113.002011][ T8083] ? v9fs_show_options+0x6c0/0x6c0 [ 113.007093][ T8083] ? __kasan_check_read+0x11/0x20 [ 113.012104][ T8083] ? v9fs_mount+0x55/0x7f0 [ 113.016497][ T8083] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.022016][ T8083] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.028066][ T8083] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.033849][ T8083] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.039382][ T8083] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.044657][ T8083] v9fs_mount+0x72/0x7f0 [ 113.048877][ T8083] ? v9fs_write_inode+0x50/0x50 [ 113.053699][ T8083] legacy_get_tree+0x103/0x1f0 [ 113.058440][ T8083] vfs_get_tree+0x8b/0x2d0 [ 113.062831][ T8083] ? capable+0x14/0x20 [ 113.066875][ T8083] do_mount+0x1270/0x1b60 [ 113.071190][ T8083] ? lock_downgrade+0x900/0x900 [ 113.076016][ T8083] ? copy_mount_string+0x20/0x20 [ 113.080959][ T8083] ? __kasan_check_write+0x14/0x20 [ 113.086055][ T8083] ? _copy_from_user+0xd6/0x110 [ 113.090894][ T8083] __x64_sys_mount+0x169/0x1c0 [ 113.095790][ T8083] do_syscall_64+0xd0/0x630 [ 113.100282][ T8083] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.106154][ T8083] RIP: 0033:0x458da9 [ 113.110045][ T8083] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 113.129624][ T8083] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 113.138007][ T8083] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 113.145951][ T8083] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 113.153895][ T8083] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 113.161852][ T8083] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 113.169796][ T8083] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 113.177762][ T8086] CPU: 0 PID: 8086 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 113.186353][ T8086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.196414][ T8086] Call Trace: [ 113.199687][ T8086] dump_stack+0x12d/0x187 [ 113.201569][ T8088] FAULT_INJECTION: forcing a failure. [ 113.201569][ T8088] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 113.204021][ T8086] should_fail.cold.4+0x5/0x13 [ 113.221973][ T8086] ? stack_trace_save+0x82/0xb0 [ 113.226811][ T8086] ? fault_create_debugfs_attr+0x150/0x150 [ 113.232603][ T8086] __should_failslab+0xba/0xf0 [ 113.237342][ T8086] should_failslab+0x9/0x14 [ 113.241819][ T8086] kmem_cache_alloc+0x47/0x750 [ 113.246566][ T8086] ? __x64_sys_mount+0x169/0x1c0 [ 113.251473][ T8086] ? do_syscall_64+0xd0/0x630 [ 113.256135][ T8086] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 113.262522][ T8086] ? __kasan_check_read+0x11/0x20 [ 113.267520][ T8086] idr_get_free+0x35d/0x880 [ 113.272002][ T8086] ? __kasan_check_read+0x11/0x20 [ 113.277698][ T8086] idr_alloc_u32+0x13a/0x330 [ 113.282284][ T8086] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 113.287814][ T8086] ? mark_held_locks+0x130/0x130 [ 113.292732][ T8086] ? __kasan_check_write+0x14/0x20 [ 113.297828][ T8086] ? do_raw_spin_lock+0x132/0x2e0 [ 113.302841][ T8086] idr_alloc+0x7d/0xc0 [ 113.306883][ T8086] ? idr_alloc_u32+0x330/0x330 [ 113.311638][ T8086] p9_client_prepare_req.part.5+0x571/0x670 [ 113.317509][ T8086] p9_client_rpc+0x174/0xe50 [ 113.322076][ T8086] ? p9_client_prepare_req.part.5+0x670/0x670 [ 113.328150][ T8086] ? p9_pollwait+0x182/0x210 [ 113.332746][ T8086] ? pipe_poll+0xc2/0x6b0 [ 113.337063][ T8086] ? ksys_dup3+0x2e0/0x2e0 [ 113.341593][ T8086] ? p9_fd_poll+0x19b/0x2a0 [ 113.346079][ T8086] ? p9_conn_create+0x399/0x4e0 [ 113.350916][ T8086] ? p9_conn_create+0x4e0/0x4e0 [ 113.355754][ T8086] p9_client_create+0x7ec/0x10e0 [ 113.360680][ T8086] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 113.366743][ T8086] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.372259][ T8086] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.378307][ T8086] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.384092][ T8086] ? __kmalloc_track_caller+0x60e/0x780 [ 113.389608][ T8086] ? __x64_sys_mount+0x169/0x1c0 [ 113.394517][ T8086] ? do_syscall_64+0xd0/0x630 [ 113.399175][ T8086] ? lockdep_init_map+0x1b6/0x6c0 [ 113.404195][ T8086] v9fs_session_init+0x1ed/0x14c0 [ 113.409209][ T8086] ? v9fs_session_init+0x1ed/0x14c0 [ 113.414394][ T8086] ? __lock_acquire+0x100f/0x4ef0 [ 113.419428][ T8086] ? find_held_lock+0x36/0x1d0 [ 113.424182][ T8086] ? v9fs_show_options+0x6c0/0x6c0 [ 113.429275][ T8086] ? __kasan_check_read+0x11/0x20 [ 113.434298][ T8086] ? v9fs_mount+0x55/0x7f0 [ 113.438697][ T8086] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.444218][ T8086] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.450275][ T8086] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.456097][ T8086] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.461640][ T8086] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.466929][ T8086] v9fs_mount+0x72/0x7f0 [ 113.471175][ T8086] ? v9fs_write_inode+0x50/0x50 [ 113.476010][ T8086] legacy_get_tree+0x103/0x1f0 [ 113.480769][ T8086] vfs_get_tree+0x8b/0x2d0 [ 113.485158][ T8086] ? capable+0x14/0x20 [ 113.489204][ T8086] do_mount+0x1270/0x1b60 [ 113.493507][ T8086] ? lock_downgrade+0x900/0x900 [ 113.498338][ T8086] ? copy_mount_string+0x20/0x20 [ 113.503281][ T8086] ? __kasan_check_write+0x14/0x20 [ 113.508382][ T8086] ? _copy_from_user+0xd6/0x110 [ 113.513226][ T8086] __x64_sys_mount+0x169/0x1c0 [ 113.517976][ T8086] do_syscall_64+0xd0/0x630 [ 113.522470][ T8086] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.528334][ T8086] RIP: 0033:0x458da9 [ 113.532215][ T8086] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 113.551900][ T8086] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 113.560303][ T8086] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 113.568255][ T8086] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 113.576222][ T8086] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 113.584170][ T8086] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 113.592117][ T8086] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 113.600105][ T8088] CPU: 1 PID: 8088 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 [ 113.608691][ T8088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.618742][ T8088] Call Trace: [ 113.622036][ T8088] dump_stack+0x12d/0x187 [ 113.626372][ T8088] should_fail.cold.4+0x5/0x13 [ 113.631130][ T8088] ? do_mount+0x1270/0x1b60 [ 113.635720][ T8088] ? fault_create_debugfs_attr+0x150/0x150 [ 113.641526][ T8088] ? find_held_lock+0x36/0x1d0 [ 113.646290][ T8088] should_fail_alloc_page+0x50/0x60 [ 113.651484][ T8088] __alloc_pages_nodemask+0x17f/0x890 [ 113.656851][ T8088] ? cache_grow_end+0xa8/0x190 [ 113.662646][ T8088] ? __alloc_pages_slowpath+0x2540/0x2540 [ 113.668367][ T8088] ? do_raw_spin_lock+0x132/0x2e0 [ 113.673403][ T8088] cache_grow_begin+0x92/0xca0 [ 113.678283][ T8088] ? __kmalloc+0xc5/0x790 [ 113.683568][ T8088] ? trace_hardirqs_off+0x41/0x1a0 [ 113.684934][ T8095] FAULT_INJECTION: forcing a failure. [ 113.684934][ T8095] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 113.689543][ T8088] __kmalloc+0x6cd/0x790 [ 113.707891][ T8088] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 113.713155][ T8088] p9_fcall_init.isra.2+0x55/0x1c0 [ 113.718239][ T8088] p9_client_prepare_req.part.5+0x116/0x670 [ 113.724122][ T8088] p9_client_rpc+0x174/0xe50 [ 113.728692][ T8088] ? p9_client_prepare_req.part.5+0x670/0x670 [ 113.735696][ T8088] ? p9_pollwait+0x182/0x210 [ 113.740266][ T8088] ? pipe_poll+0xc2/0x6b0 [ 113.744570][ T8088] ? ksys_dup3+0x2e0/0x2e0 [ 113.748962][ T8088] ? p9_fd_poll+0x19b/0x2a0 [ 113.753439][ T8088] ? p9_conn_create+0x399/0x4e0 [ 113.758295][ T8088] ? p9_conn_create+0x4e0/0x4e0 [ 113.763142][ T8088] ? kfree+0x23a/0x2c0 [ 113.767211][ T8088] p9_client_create+0x7ec/0x10e0 [ 113.772140][ T8088] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 113.778182][ T8088] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.783703][ T8088] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.789741][ T8088] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.796482][ T8088] ? __kmalloc_track_caller+0x60e/0x780 [ 113.802001][ T8088] ? __x64_sys_mount+0x169/0x1c0 [ 113.806915][ T8088] ? do_syscall_64+0xd0/0x630 [ 113.811581][ T8088] ? lockdep_init_map+0x1b6/0x6c0 [ 113.816590][ T8088] v9fs_session_init+0x1ed/0x14c0 [ 113.821588][ T8088] ? v9fs_session_init+0x1ed/0x14c0 [ 113.826758][ T8088] ? __lock_acquire+0x100f/0x4ef0 [ 113.831758][ T8088] ? find_held_lock+0x36/0x1d0 [ 113.836500][ T8088] ? v9fs_show_options+0x6c0/0x6c0 [ 113.841582][ T8088] ? __kasan_check_read+0x11/0x20 [ 113.846584][ T8088] ? v9fs_mount+0x55/0x7f0 [ 113.850974][ T8088] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.856492][ T8088] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.862540][ T8088] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.868327][ T8088] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.873847][ T8088] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.879109][ T8088] v9fs_mount+0x72/0x7f0 [ 113.887600][ T8088] ? v9fs_write_inode+0x50/0x50 [ 113.892423][ T8088] legacy_get_tree+0x103/0x1f0 [ 113.897162][ T8088] vfs_get_tree+0x8b/0x2d0 [ 113.901553][ T8088] ? capable+0x14/0x20 [ 113.905605][ T8088] do_mount+0x1270/0x1b60 [ 113.910050][ T8088] ? lock_downgrade+0x900/0x900 [ 113.914896][ T8088] ? copy_mount_string+0x20/0x20 [ 113.919841][ T8088] ? __kasan_check_write+0x14/0x20 [ 113.924935][ T8088] ? _copy_from_user+0xd6/0x110 [ 113.929773][ T8088] __x64_sys_mount+0x169/0x1c0 [ 113.934537][ T8088] do_syscall_64+0xd0/0x630 [ 113.939033][ T8088] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.944896][ T8088] RIP: 0033:0x458da9 [ 113.948765][ T8088] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 113.968341][ T8088] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 113.977680][ T8088] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 113.985628][ T8088] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 113.993572][ T8088] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.001516][ T8088] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 114.009459][ T8088] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 114.017441][ T8095] CPU: 0 PID: 8095 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 114.026027][ T8095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.036074][ T8095] Call Trace: [ 114.039349][ T8095] dump_stack+0x12d/0x187 [ 114.043681][ T8095] should_fail.cold.4+0x5/0x13 [ 114.048422][ T8095] ? do_mount+0x1270/0x1b60 [ 114.052904][ T8095] ? fault_create_debugfs_attr+0x150/0x150 [ 114.058700][ T8095] ? find_held_lock+0x36/0x1d0 [ 114.063464][ T8095] should_fail_alloc_page+0x50/0x60 [ 114.068642][ T8095] __alloc_pages_nodemask+0x17f/0x890 [ 114.073992][ T8095] ? cache_grow_end+0xa8/0x190 [ 114.078730][ T8095] ? __alloc_pages_slowpath+0x2540/0x2540 [ 114.084421][ T8095] ? do_raw_spin_lock+0x132/0x2e0 [ 114.089442][ T8095] cache_grow_begin+0x92/0xca0 [ 114.094188][ T8095] ? __kmalloc+0xc5/0x790 [ 114.098497][ T8095] ? trace_hardirqs_off+0x41/0x1a0 [ 114.103586][ T8095] __kmalloc+0x6cd/0x790 [ 114.107820][ T8095] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 114.113092][ T8095] p9_fcall_init.isra.2+0x55/0x1c0 [ 114.118192][ T8095] p9_client_prepare_req.part.5+0x116/0x670 [ 114.124083][ T8095] p9_client_rpc+0x174/0xe50 [ 114.128660][ T8095] ? p9_client_prepare_req.part.5+0x670/0x670 [ 114.134706][ T8095] ? p9_pollwait+0x182/0x210 [ 114.139287][ T8095] ? pipe_poll+0xc2/0x6b0 [ 114.143591][ T8095] ? ksys_dup3+0x2e0/0x2e0 [ 114.147983][ T8095] ? p9_fd_poll+0x19b/0x2a0 [ 114.152483][ T8095] ? p9_conn_create+0x399/0x4e0 [ 114.157330][ T8095] ? p9_conn_create+0x4e0/0x4e0 [ 114.162182][ T8095] p9_client_create+0x7ec/0x10e0 [ 114.167226][ T8095] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 114.173291][ T8095] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.178820][ T8095] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.184864][ T8095] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.190651][ T8095] ? __kmalloc_track_caller+0x60e/0x780 [ 114.196173][ T8095] ? __x64_sys_mount+0x169/0x1c0 [ 114.201095][ T8095] ? do_syscall_64+0xd0/0x630 [ 114.205753][ T8095] ? lockdep_init_map+0x1b6/0x6c0 [ 114.211108][ T8095] v9fs_session_init+0x1ed/0x14c0 [ 114.216104][ T8095] ? v9fs_session_init+0x1ed/0x14c0 [ 114.221271][ T8095] ? __lock_acquire+0x100f/0x4ef0 [ 114.226272][ T8095] ? find_held_lock+0x36/0x1d0 [ 114.231034][ T8095] ? v9fs_show_options+0x6c0/0x6c0 [ 114.236126][ T8095] ? __kasan_check_read+0x11/0x20 [ 114.241132][ T8095] ? v9fs_mount+0x55/0x7f0 [ 114.245539][ T8095] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.251065][ T8095] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.258075][ T8095] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.263874][ T8095] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.269394][ T8095] ? apparmor_task_alloc+0x2f0/0x2f0 [ 114.274656][ T8095] v9fs_mount+0x72/0x7f0 [ 114.278878][ T8095] ? v9fs_write_inode+0x50/0x50 [ 114.283703][ T8095] legacy_get_tree+0x103/0x1f0 [ 114.288459][ T8095] vfs_get_tree+0x8b/0x2d0 [ 114.292848][ T8095] ? capable+0x14/0x20 [ 114.296892][ T8095] do_mount+0x1270/0x1b60 [ 114.305108][ T8095] ? lock_downgrade+0x900/0x900 [ 114.309934][ T8095] ? copy_mount_string+0x20/0x20 [ 114.314857][ T8095] ? __kasan_check_write+0x14/0x20 [ 114.319938][ T8095] ? _copy_from_user+0xd6/0x110 [ 114.324778][ T8095] __x64_sys_mount+0x169/0x1c0 [ 114.329519][ T8095] do_syscall_64+0xd0/0x630 [ 114.334009][ T8095] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.339874][ T8095] RIP: 0033:0x458da9 [ 114.343741][ T8095] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 114.363318][ T8095] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 114.371721][ T8095] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 114.379668][ T8095] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 114.387619][ T8095] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.395579][ T8095] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 114.403539][ T8095] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 114.411508][ T8074] CPU: 1 PID: 8074 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 114.420155][ T8074] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.430897][ T8074] Call Trace: [ 114.434185][ T8074] dump_stack+0x12d/0x187 [ 114.438514][ T8074] should_fail.cold.4+0x5/0x13 [ 114.443277][ T8074] ? fault_create_debugfs_attr+0x150/0x150 [ 114.449078][ T8074] ? ___might_sleep+0x16b/0x2b0 [ 114.453929][ T8074] __should_failslab+0xba/0xf0 [ 114.458688][ T8074] should_failslab+0x9/0x14 [ 114.464143][ T8074] __kmalloc+0x2eb/0x790 [ 114.468398][ T8074] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 114.473706][ T8074] p9_fcall_init.isra.2+0x55/0x1c0 [ 114.478803][ T8074] p9_client_prepare_req.part.5+0x116/0x670 [ 114.484714][ T8074] p9_client_rpc+0x174/0xe50 [ 114.489292][ T8074] ? p9_client_prepare_req.part.5+0x670/0x670 [ 114.495343][ T8074] ? p9_pollwait+0x182/0x210 [ 114.499922][ T8074] ? pipe_poll+0xc2/0x6b0 [ 114.504248][ T8074] ? ksys_dup3+0x2e0/0x2e0 [ 114.508667][ T8074] ? p9_fd_poll+0x19b/0x2a0 [ 114.513168][ T8074] ? p9_conn_create+0x399/0x4e0 [ 114.518004][ T8074] ? p9_conn_create+0x4e0/0x4e0 [ 114.522845][ T8074] p9_client_create+0x7ec/0x10e0 [ 114.527769][ T8074] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 114.533821][ T8074] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.539353][ T8074] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.545398][ T8074] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.551197][ T8074] ? __kmalloc_track_caller+0x60e/0x780 [ 114.556730][ T8074] ? __x64_sys_mount+0x169/0x1c0 [ 114.561642][ T8074] ? do_syscall_64+0xd0/0x630 [ 114.566306][ T8074] ? lockdep_init_map+0x1b6/0x6c0 [ 114.571350][ T8074] v9fs_session_init+0x1ed/0x14c0 [ 114.576361][ T8074] ? v9fs_session_init+0x1ed/0x14c0 [ 114.581536][ T8074] ? cache_grow_end+0xa8/0x190 [ 114.586286][ T8074] ? lock_downgrade+0x900/0x900 [ 114.591111][ T8074] ? __kasan_check_write+0x14/0x20 [ 114.596206][ T8074] ? v9fs_show_options+0x6c0/0x6c0 [ 114.601294][ T8074] ? __kasan_check_read+0x11/0x20 [ 114.606312][ T8074] ? v9fs_mount+0x55/0x7f0 [ 114.610746][ T8074] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.616279][ T8074] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.622328][ T8074] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.628130][ T8074] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.633672][ T8074] v9fs_mount+0x72/0x7f0 [ 114.638115][ T8074] ? v9fs_write_inode+0x50/0x50 [ 114.642946][ T8074] legacy_get_tree+0x103/0x1f0 [ 114.647833][ T8074] vfs_get_tree+0x8b/0x2d0 [ 114.652260][ T8074] ? capable+0x14/0x20 [ 114.656321][ T8074] do_mount+0x1270/0x1b60 [ 114.660626][ T8074] ? lock_downgrade+0x900/0x900 [ 114.665473][ T8074] ? copy_mount_string+0x20/0x20 [ 114.670397][ T8074] ? __kasan_check_write+0x14/0x20 [ 114.675499][ T8074] ? _copy_from_user+0xd6/0x110 [ 114.681282][ T8074] __x64_sys_mount+0x169/0x1c0 [ 114.686024][ T8074] do_syscall_64+0xd0/0x630 [ 114.690502][ T8074] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.696364][ T8074] RIP: 0033:0x458da9 [ 114.700232][ T8074] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 114.719808][ T8074] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 114.728195][ T8074] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 114.736139][ T8074] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 114.744116][ T8074] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.752076][ T8074] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 114.760030][ T8074] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 114.782348][ T8103] FAULT_INJECTION: forcing a failure. [ 114.782348][ T8103] name failslab, interval 1, probability 0, space 0, times 0 [ 114.806638][ T8103] CPU: 1 PID: 8103 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 114.815255][ T8103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.815931][ T8104] FAULT_INJECTION: forcing a failure. [ 114.815931][ T8104] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 114.825402][ T8103] Call Trace: [ 114.825417][ T8103] dump_stack+0x12d/0x187 [ 114.846297][ T8103] should_fail.cold.4+0x5/0x13 [ 114.851041][ T8103] ? fault_create_debugfs_attr+0x150/0x150 [ 114.856826][ T8103] ? ___might_sleep+0x16b/0x2b0 [ 114.861670][ T8103] __should_failslab+0xba/0xf0 [ 114.866430][ T8103] should_failslab+0x9/0x14 [ 114.870905][ T8103] __kmalloc+0x2eb/0x790 [ 114.875126][ T8103] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 114.880387][ T8103] p9_fcall_init.isra.2+0x55/0x1c0 [ 114.885474][ T8103] p9_client_prepare_req.part.5+0x116/0x670 [ 114.891349][ T8103] p9_client_rpc+0x174/0xe50 [ 114.895919][ T8103] ? p9_client_prepare_req.part.5+0x670/0x670 [ 114.901962][ T8103] ? p9_pollwait+0x182/0x210 [ 114.906531][ T8103] ? pipe_poll+0xc2/0x6b0 [ 114.910841][ T8103] ? ksys_dup3+0x2e0/0x2e0 [ 114.915231][ T8103] ? p9_fd_poll+0x19b/0x2a0 [ 114.919707][ T8103] ? p9_conn_create+0x399/0x4e0 [ 114.924534][ T8103] ? p9_conn_create+0x4e0/0x4e0 [ 114.929377][ T8103] ? kfree+0x23a/0x2c0 [ 114.933426][ T8103] p9_client_create+0x7ec/0x10e0 [ 114.938347][ T8103] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 114.944383][ T8103] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.949924][ T8103] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.955961][ T8103] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.961744][ T8103] ? __kmalloc_track_caller+0x60e/0x780 [ 114.967377][ T8103] ? __x64_sys_mount+0x169/0x1c0 [ 114.972305][ T8103] ? do_syscall_64+0xd0/0x630 [ 114.976964][ T8103] ? lockdep_init_map+0x1b6/0x6c0 [ 114.982095][ T8103] v9fs_session_init+0x1ed/0x14c0 [ 114.987096][ T8103] ? v9fs_session_init+0x1ed/0x14c0 [ 114.992292][ T8103] ? cache_grow_end+0xa8/0x190 [ 114.997056][ T8103] ? lock_downgrade+0x900/0x900 [ 115.001889][ T8103] ? __kasan_check_write+0x14/0x20 [ 115.006981][ T8103] ? v9fs_show_options+0x6c0/0x6c0 [ 115.012064][ T8103] ? __kasan_check_read+0x11/0x20 [ 115.017065][ T8103] ? v9fs_mount+0x55/0x7f0 [ 115.021454][ T8103] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.026969][ T8103] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.033004][ T8103] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.038786][ T8103] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.044312][ T8103] v9fs_mount+0x72/0x7f0 [ 115.048544][ T8103] ? v9fs_write_inode+0x50/0x50 [ 115.053380][ T8103] legacy_get_tree+0x103/0x1f0 [ 115.058122][ T8103] vfs_get_tree+0x8b/0x2d0 [ 115.062521][ T8103] ? capable+0x14/0x20 [ 115.066568][ T8103] do_mount+0x1270/0x1b60 [ 115.070866][ T8103] ? lock_downgrade+0x900/0x900 [ 115.075695][ T8103] ? copy_mount_string+0x20/0x20 [ 115.080618][ T8103] ? __kasan_check_write+0x14/0x20 [ 115.085714][ T8103] ? _copy_from_user+0xd6/0x110 [ 115.090560][ T8103] __x64_sys_mount+0x169/0x1c0 [ 115.095829][ T8103] do_syscall_64+0xd0/0x630 [ 115.100333][ T8103] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.106207][ T8103] RIP: 0033:0x458da9 [ 115.110278][ T8103] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 115.129873][ T8103] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 115.138274][ T8103] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 115.146221][ T8103] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 115.154168][ T8103] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 115.162201][ T8103] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 115.170169][ T8103] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 115.179009][ T8104] CPU: 0 PID: 8104 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 [ 115.187389][ T8112] FAULT_INJECTION: forcing a failure. [ 115.187389][ T8112] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 115.187590][ T8104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.210783][ T8104] Call Trace: [ 115.214047][ T8104] dump_stack+0x12d/0x187 [ 115.218358][ T8104] should_fail.cold.4+0x5/0x13 [ 115.223106][ T8104] ? do_mount+0x1270/0x1b60 [ 115.227606][ T8104] ? fault_create_debugfs_attr+0x150/0x150 [ 115.234393][ T8104] ? find_held_lock+0x36/0x1d0 [ 115.239165][ T8104] should_fail_alloc_page+0x50/0x60 [ 115.244356][ T8104] __alloc_pages_nodemask+0x17f/0x890 [ 115.249706][ T8104] ? cache_grow_end+0xa8/0x190 [ 115.254464][ T8104] ? __alloc_pages_slowpath+0x2540/0x2540 [ 115.260160][ T8104] ? do_raw_spin_lock+0x132/0x2e0 [ 115.265170][ T8104] cache_grow_begin+0x92/0xca0 [ 115.269907][ T8104] ? __kmalloc+0xc5/0x790 [ 115.274215][ T8104] ? trace_hardirqs_off+0x41/0x1a0 [ 115.279303][ T8104] __kmalloc+0x6cd/0x790 [ 115.283523][ T8104] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 115.288796][ T8104] p9_fcall_init.isra.2+0x55/0x1c0 [ 115.293894][ T8104] p9_client_prepare_req.part.5+0x116/0x670 [ 115.299768][ T8104] p9_client_rpc+0x174/0xe50 [ 115.304336][ T8104] ? p9_client_prepare_req.part.5+0x670/0x670 [ 115.310378][ T8104] ? p9_pollwait+0x182/0x210 [ 115.314944][ T8104] ? pipe_poll+0xc2/0x6b0 [ 115.319253][ T8104] ? ksys_dup3+0x2e0/0x2e0 [ 115.323658][ T8104] ? p9_fd_poll+0x19b/0x2a0 [ 115.328138][ T8104] ? p9_conn_create+0x399/0x4e0 [ 115.332966][ T8104] ? p9_conn_create+0x4e0/0x4e0 [ 115.337801][ T8104] p9_client_create+0x7ec/0x10e0 [ 115.342719][ T8104] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 115.348758][ T8104] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.354281][ T8104] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.360317][ T8104] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.366105][ T8104] ? __kmalloc_track_caller+0x60e/0x780 [ 115.371621][ T8104] ? __x64_sys_mount+0x169/0x1c0 [ 115.376563][ T8104] ? do_syscall_64+0xd0/0x630 [ 115.381223][ T8104] ? lockdep_init_map+0x1b6/0x6c0 [ 115.386242][ T8104] v9fs_session_init+0x1ed/0x14c0 [ 115.391248][ T8104] ? v9fs_session_init+0x1ed/0x14c0 [ 115.396419][ T8104] ? __lock_acquire+0x100f/0x4ef0 [ 115.401419][ T8104] ? find_held_lock+0x36/0x1d0 [ 115.406165][ T8104] ? v9fs_show_options+0x6c0/0x6c0 [ 115.411249][ T8104] ? __kasan_check_read+0x11/0x20 [ 115.416250][ T8104] ? v9fs_mount+0x55/0x7f0 [ 115.420643][ T8104] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.426161][ T8104] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.432209][ T8104] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.437993][ T8104] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.443515][ T8104] ? apparmor_task_alloc+0x2f0/0x2f0 [ 115.448775][ T8104] v9fs_mount+0x72/0x7f0 [ 115.452994][ T8104] ? v9fs_write_inode+0x50/0x50 [ 115.457832][ T8104] legacy_get_tree+0x103/0x1f0 [ 115.462571][ T8104] vfs_get_tree+0x8b/0x2d0 [ 115.466958][ T8104] ? capable+0x14/0x20 [ 115.471001][ T8104] do_mount+0x1270/0x1b60 [ 115.475312][ T8104] ? lock_downgrade+0x900/0x900 [ 115.480173][ T8104] ? copy_mount_string+0x20/0x20 [ 115.485120][ T8104] ? __kasan_check_write+0x14/0x20 [ 115.490210][ T8104] ? _copy_from_user+0xd6/0x110 [ 115.495048][ T8104] __x64_sys_mount+0x169/0x1c0 [ 115.499796][ T8104] do_syscall_64+0xd0/0x630 [ 115.504298][ T8104] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.510174][ T8104] RIP: 0033:0x458da9 [ 115.514059][ T8104] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 115.533652][ T8104] RSP: 002b:00007fb5d7e2cc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 115.542036][ T8104] RAX: ffffffffffffffda RBX: 00007fb5d7e2cc90 RCX: 0000000000458da9 [ 115.549995][ T8104] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 115.557978][ T8104] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 115.565941][ T8104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb5d7e2d6d4 [ 115.573908][ T8104] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 115.581895][ T8112] CPU: 1 PID: 8112 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 115.590480][ T8112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.598696][ T8116] FAULT_INJECTION: forcing a failure. [ 115.598696][ T8116] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 115.600526][ T8112] Call Trace: [ 115.616966][ T8112] dump_stack+0x12d/0x187 [ 115.621277][ T8112] should_fail.cold.4+0x5/0x13 [ 115.626024][ T8112] ? do_mount+0x1270/0x1b60 [ 115.631370][ T8112] ? fault_create_debugfs_attr+0x150/0x150 [ 115.637150][ T8112] ? find_held_lock+0x36/0x1d0 [ 115.641890][ T8112] should_fail_alloc_page+0x50/0x60 [ 115.647059][ T8112] __alloc_pages_nodemask+0x17f/0x890 [ 115.652407][ T8112] ? cache_grow_end+0xa8/0x190 [ 115.657144][ T8112] ? __alloc_pages_slowpath+0x2540/0x2540 [ 115.662833][ T8112] ? do_raw_spin_lock+0x132/0x2e0 [ 115.667860][ T8112] cache_grow_begin+0x92/0xca0 [ 115.672611][ T8112] ? __kmalloc+0xc5/0x790 [ 115.676925][ T8112] ? trace_hardirqs_off+0x41/0x1a0 [ 115.682031][ T8112] __kmalloc+0x6cd/0x790 [ 115.686259][ T8112] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 115.691540][ T8112] p9_fcall_init.isra.2+0x55/0x1c0 [ 115.696653][ T8112] p9_client_prepare_req.part.5+0x116/0x670 [ 115.702529][ T8112] p9_client_rpc+0x174/0xe50 [ 115.707106][ T8112] ? p9_client_prepare_req.part.5+0x670/0x670 [ 115.713154][ T8112] ? p9_pollwait+0x182/0x210 [ 115.717735][ T8112] ? pipe_poll+0xc2/0x6b0 [ 115.722039][ T8112] ? ksys_dup3+0x2e0/0x2e0 [ 115.726431][ T8112] ? p9_fd_poll+0x19b/0x2a0 [ 115.730908][ T8112] ? p9_conn_create+0x399/0x4e0 [ 115.735737][ T8112] ? p9_conn_create+0x4e0/0x4e0 [ 115.740582][ T8112] p9_client_create+0x7ec/0x10e0 [ 115.745501][ T8112] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 115.751541][ T8112] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.757060][ T8112] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.763099][ T8112] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.768883][ T8112] ? __kmalloc_track_caller+0x60e/0x780 [ 115.774401][ T8112] ? __x64_sys_mount+0x169/0x1c0 [ 115.779308][ T8112] ? do_syscall_64+0xd0/0x630 [ 115.783958][ T8112] ? lockdep_init_map+0x1b6/0x6c0 [ 115.788966][ T8112] v9fs_session_init+0x1ed/0x14c0 [ 115.793962][ T8112] ? v9fs_session_init+0x1ed/0x14c0 [ 115.799129][ T8112] ? __lock_acquire+0x100f/0x4ef0 [ 115.804147][ T8112] ? find_held_lock+0x36/0x1d0 [ 115.808913][ T8112] ? v9fs_show_options+0x6c0/0x6c0 [ 115.814014][ T8112] ? __kasan_check_read+0x11/0x20 [ 115.819038][ T8112] ? v9fs_mount+0x55/0x7f0 [ 115.823432][ T8112] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.828955][ T8112] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.835000][ T8112] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.840790][ T8112] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.846312][ T8112] ? apparmor_task_alloc+0x2f0/0x2f0 [ 115.851573][ T8112] v9fs_mount+0x72/0x7f0 [ 115.855796][ T8112] ? v9fs_write_inode+0x50/0x50 [ 115.860623][ T8112] legacy_get_tree+0x103/0x1f0 [ 115.865368][ T8112] vfs_get_tree+0x8b/0x2d0 [ 115.869755][ T8112] ? capable+0x14/0x20 [ 115.873799][ T8112] do_mount+0x1270/0x1b60 [ 115.878130][ T8112] ? lock_downgrade+0x900/0x900 [ 115.882956][ T8112] ? copy_mount_string+0x20/0x20 [ 115.887889][ T8112] ? __kasan_check_write+0x14/0x20 [ 115.892994][ T8112] ? _copy_from_user+0xd6/0x110 [ 115.897847][ T8112] __x64_sys_mount+0x169/0x1c0 [ 115.902614][ T8112] do_syscall_64+0xd0/0x630 [ 115.907098][ T8112] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.912969][ T8112] RIP: 0033:0x458da9 [ 115.916843][ T8112] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 115.936428][ T8112] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 115.944813][ T8112] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 115.952768][ T8112] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 115.960724][ T8112] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 115.968678][ T8112] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 115.976634][ T8112] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 115.984604][ T8116] CPU: 0 PID: 8116 Comm: syz-executor.4 Not tainted 5.6.0-rc6-syzkaller #0 [ 115.993198][ T8116] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.003250][ T8116] Call Trace: [ 116.006535][ T8116] dump_stack+0x12d/0x187 [ 116.010872][ T8116] should_fail.cold.4+0x5/0x13 [ 116.014775][ T8118] FAULT_INJECTION: forcing a failure. [ 116.014775][ T8118] name failslab, interval 1, probability 0, space 0, times 0 [ 116.015624][ T8116] ? do_mount+0x1270/0x1b60 [ 116.015637][ T8116] ? fault_create_debugfs_attr+0x150/0x150 [ 116.015650][ T8116] ? find_held_lock+0x36/0x1d0 [ 116.015664][ T8116] should_fail_alloc_page+0x50/0x60 [ 116.048504][ T8116] __alloc_pages_nodemask+0x17f/0x890 [ 116.053963][ T8116] ? cache_grow_end+0xa8/0x190 [ 116.058717][ T8116] ? __alloc_pages_slowpath+0x2540/0x2540 [ 116.064423][ T8116] ? do_raw_spin_lock+0x132/0x2e0 [ 116.069446][ T8116] cache_grow_begin+0x92/0xca0 [ 116.074191][ T8116] ? __kmalloc+0xc5/0x790 [ 116.078505][ T8116] ? trace_hardirqs_off+0x41/0x1a0 [ 116.083605][ T8116] __kmalloc+0x6cd/0x790 [ 116.087843][ T8116] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 116.093124][ T8116] p9_fcall_init.isra.2+0x55/0x1c0 [ 116.098216][ T8116] p9_client_prepare_req.part.5+0x116/0x670 [ 116.104089][ T8116] p9_client_rpc+0x174/0xe50 [ 116.108661][ T8116] ? p9_client_prepare_req.part.5+0x670/0x670 [ 116.114706][ T8116] ? p9_pollwait+0x182/0x210 [ 116.119276][ T8116] ? pipe_poll+0xc2/0x6b0 [ 116.123578][ T8116] ? ksys_dup3+0x2e0/0x2e0 [ 116.127972][ T8116] ? p9_fd_poll+0x19b/0x2a0 [ 116.132488][ T8116] ? p9_conn_create+0x399/0x4e0 [ 116.137322][ T8116] ? p9_conn_create+0x4e0/0x4e0 [ 116.142166][ T8116] p9_client_create+0x7ec/0x10e0 [ 116.147088][ T8116] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 116.153126][ T8116] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.158646][ T8116] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.164683][ T8116] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.170468][ T8116] ? __kmalloc_track_caller+0x60e/0x780 [ 116.175986][ T8116] ? __x64_sys_mount+0x169/0x1c0 [ 116.180898][ T8116] ? do_syscall_64+0xd0/0x630 [ 116.185558][ T8116] ? lockdep_init_map+0x1b6/0x6c0 [ 116.191625][ T8116] v9fs_session_init+0x1ed/0x14c0 [ 116.196656][ T8116] ? v9fs_session_init+0x1ed/0x14c0 [ 116.201842][ T8116] ? __lock_acquire+0x100f/0x4ef0 [ 116.206848][ T8116] ? find_held_lock+0x36/0x1d0 [ 116.212394][ T8116] ? v9fs_show_options+0x6c0/0x6c0 [ 116.217486][ T8116] ? __kasan_check_read+0x11/0x20 [ 116.222498][ T8116] ? v9fs_mount+0x55/0x7f0 [ 116.226892][ T8116] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.232427][ T8116] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.238470][ T8116] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.244264][ T8116] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.249784][ T8116] ? apparmor_task_alloc+0x2f0/0x2f0 [ 116.255056][ T8116] v9fs_mount+0x72/0x7f0 [ 116.259286][ T8116] ? v9fs_write_inode+0x50/0x50 [ 116.264125][ T8116] legacy_get_tree+0x103/0x1f0 [ 116.268866][ T8116] vfs_get_tree+0x8b/0x2d0 [ 116.273252][ T8116] ? capable+0x14/0x20 [ 116.277299][ T8116] do_mount+0x1270/0x1b60 [ 116.281603][ T8116] ? lock_downgrade+0x900/0x900 [ 116.286434][ T8116] ? copy_mount_string+0x20/0x20 [ 116.291357][ T8116] ? __kasan_check_write+0x14/0x20 [ 116.296441][ T8116] ? _copy_from_user+0xd6/0x110 [ 116.301292][ T8116] __x64_sys_mount+0x169/0x1c0 [ 116.306053][ T8116] do_syscall_64+0xd0/0x630 [ 116.310547][ T8116] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.316422][ T8116] RIP: 0033:0x458da9 [ 116.320293][ T8116] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 116.339879][ T8116] RSP: 002b:00007fd899c50c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 116.348273][ T8116] RAX: ffffffffffffffda RBX: 00007fd899c50c90 RCX: 0000000000458da9 [ 116.356221][ T8116] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 116.364180][ T8116] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 116.372135][ T8116] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd899c516d4 [ 116.380097][ T8116] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 116.388074][ T8118] CPU: 1 PID: 8118 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 116.396662][ T8118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.406711][ T8118] Call Trace: [ 116.408000][ T8113] FAULT_INJECTION: forcing a failure. [ 116.408000][ T8113] name failslab, interval 1, probability 0, space 0, times 0 [ 116.410014][ T8118] dump_stack+0x12d/0x187 [ 116.410030][ T8118] should_fail.cold.4+0x5/0x13 [ 116.410041][ T8118] ? fault_create_debugfs_attr+0x150/0x150 [ 116.430995][ T8122] FAULT_INJECTION: forcing a failure. [ 116.430995][ T8122] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 116.431656][ T8118] ? ___might_sleep+0x16b/0x2b0 [ 116.456031][ T8118] __should_failslab+0xba/0xf0 [ 116.460781][ T8118] should_failslab+0x9/0x14 [ 116.465260][ T8118] __kmalloc+0x2eb/0x790 [ 116.469489][ T8118] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 116.474749][ T8118] p9_fcall_init.isra.2+0x55/0x1c0 [ 116.479837][ T8118] p9_client_prepare_req.part.5+0x116/0x670 [ 116.485721][ T8118] p9_client_rpc+0x174/0xe50 [ 116.490296][ T8118] ? p9_client_prepare_req.part.5+0x670/0x670 [ 116.496337][ T8118] ? p9_pollwait+0x182/0x210 [ 116.500946][ T8118] ? pipe_poll+0xc2/0x6b0 [ 116.505291][ T8118] ? ksys_dup3+0x2e0/0x2e0 [ 116.509704][ T8118] ? p9_fd_poll+0x19b/0x2a0 [ 116.514190][ T8118] ? p9_conn_create+0x399/0x4e0 [ 116.519033][ T8118] ? p9_conn_create+0x4e0/0x4e0 [ 116.523879][ T8118] p9_client_create+0x7ec/0x10e0 [ 116.528801][ T8118] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 116.534839][ T8118] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.540381][ T8118] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.546449][ T8118] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.552268][ T8118] ? __kmalloc_track_caller+0x60e/0x780 [ 116.557805][ T8118] ? __x64_sys_mount+0x169/0x1c0 [ 116.562735][ T8118] ? do_syscall_64+0xd0/0x630 [ 116.567404][ T8118] ? lockdep_init_map+0x1b6/0x6c0 [ 116.572432][ T8118] v9fs_session_init+0x1ed/0x14c0 [ 116.577435][ T8118] ? v9fs_session_init+0x1ed/0x14c0 [ 116.582606][ T8118] ? __lock_acquire+0x100f/0x4ef0 [ 116.587607][ T8118] ? find_held_lock+0x36/0x1d0 [ 116.592362][ T8118] ? v9fs_show_options+0x6c0/0x6c0 [ 116.597447][ T8118] ? __kasan_check_read+0x11/0x20 [ 116.602449][ T8118] ? v9fs_mount+0x55/0x7f0 [ 116.606837][ T8118] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.612356][ T8118] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.618392][ T8118] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.624201][ T8118] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.629748][ T8118] ? apparmor_task_alloc+0x2f0/0x2f0 [ 116.635020][ T8118] v9fs_mount+0x72/0x7f0 [ 116.639263][ T8118] ? v9fs_write_inode+0x50/0x50 [ 116.644101][ T8118] legacy_get_tree+0x103/0x1f0 [ 116.648878][ T8118] vfs_get_tree+0x8b/0x2d0 [ 116.653349][ T8118] ? capable+0x14/0x20 [ 116.657405][ T8118] do_mount+0x1270/0x1b60 [ 116.661726][ T8118] ? lock_downgrade+0x900/0x900 [ 116.666563][ T8118] ? copy_mount_string+0x20/0x20 [ 116.671505][ T8118] ? __kasan_check_write+0x14/0x20 [ 116.676633][ T8118] ? _copy_from_user+0xd6/0x110 [ 116.681475][ T8118] __x64_sys_mount+0x169/0x1c0 [ 116.686242][ T8118] do_syscall_64+0xd0/0x630 [ 116.690730][ T8118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.696603][ T8118] RIP: 0033:0x458da9 [ 116.700476][ T8118] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 116.720073][ T8118] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 116.728457][ T8118] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 116.736440][ T8118] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 116.744404][ T8118] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 116.752463][ T8118] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 116.760419][ T8118] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 116.768411][ T8122] CPU: 0 PID: 8122 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 116.777000][ T8122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.787049][ T8122] Call Trace: [ 116.790335][ T8122] dump_stack+0x12d/0x187 [ 116.794666][ T8122] should_fail.cold.4+0x5/0x13 [ 116.799421][ T8122] ? do_mount+0x1270/0x1b60 [ 116.800530][ T8125] FAULT_INJECTION: forcing a failure. [ 116.800530][ T8125] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 116.803941][ T8122] ? fault_create_debugfs_attr+0x150/0x150 [ 116.823037][ T8122] ? find_held_lock+0x36/0x1d0 [ 116.827806][ T8122] should_fail_alloc_page+0x50/0x60 [ 116.832995][ T8122] __alloc_pages_nodemask+0x17f/0x890 [ 116.838357][ T8122] ? cache_grow_end+0xa8/0x190 [ 116.843104][ T8122] ? __alloc_pages_slowpath+0x2540/0x2540 [ 116.848804][ T8122] ? do_raw_spin_lock+0x132/0x2e0 [ 116.853824][ T8122] cache_grow_begin+0x92/0xca0 [ 116.858567][ T8122] ? __kmalloc+0xc5/0x790 [ 116.862876][ T8122] ? trace_hardirqs_off+0x41/0x1a0 [ 116.867984][ T8122] __kmalloc+0x6cd/0x790 [ 116.872238][ T8122] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 116.877527][ T8122] p9_fcall_init.isra.2+0x55/0x1c0 [ 116.882621][ T8122] p9_client_prepare_req.part.5+0x116/0x670 [ 116.888500][ T8122] p9_client_rpc+0x174/0xe50 [ 116.893079][ T8122] ? p9_client_prepare_req.part.5+0x670/0x670 [ 116.899140][ T8122] ? p9_pollwait+0x182/0x210 [ 116.903724][ T8122] ? pipe_poll+0xc2/0x6b0 [ 116.908045][ T8122] ? ksys_dup3+0x2e0/0x2e0 [ 116.912453][ T8122] ? p9_fd_poll+0x19b/0x2a0 [ 116.916949][ T8122] ? p9_conn_create+0x399/0x4e0 [ 116.921793][ T8122] ? p9_conn_create+0x4e0/0x4e0 [ 116.926645][ T8122] p9_client_create+0x7ec/0x10e0 [ 116.931583][ T8122] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 116.937641][ T8122] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.943168][ T8122] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.949209][ T8122] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.954995][ T8122] ? __kmalloc_track_caller+0x60e/0x780 [ 116.960537][ T8122] ? __x64_sys_mount+0x169/0x1c0 [ 116.965455][ T8122] ? do_syscall_64+0xd0/0x630 [ 116.970123][ T8122] ? lockdep_init_map+0x1b6/0x6c0 [ 116.975139][ T8122] v9fs_session_init+0x1ed/0x14c0 [ 116.980139][ T8122] ? v9fs_session_init+0x1ed/0x14c0 [ 116.985315][ T8122] ? __lock_acquire+0x100f/0x4ef0 [ 116.990321][ T8122] ? find_held_lock+0x36/0x1d0 [ 116.995069][ T8122] ? v9fs_show_options+0x6c0/0x6c0 [ 117.000157][ T8122] ? __kasan_check_read+0x11/0x20 [ 117.005169][ T8122] ? v9fs_mount+0x55/0x7f0 [ 117.009559][ T8122] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.015078][ T8122] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.021129][ T8122] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.026913][ T8122] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.032433][ T8122] ? apparmor_task_alloc+0x2f0/0x2f0 [ 117.037695][ T8122] v9fs_mount+0x72/0x7f0 [ 117.041914][ T8122] ? v9fs_write_inode+0x50/0x50 [ 117.046756][ T8122] legacy_get_tree+0x103/0x1f0 [ 117.051497][ T8122] vfs_get_tree+0x8b/0x2d0 [ 117.055900][ T8122] ? capable+0x14/0x20 [ 117.059959][ T8122] do_mount+0x1270/0x1b60 [ 117.064265][ T8122] ? lock_downgrade+0x900/0x900 [ 117.069093][ T8122] ? copy_mount_string+0x20/0x20 [ 117.074017][ T8122] ? __kasan_check_write+0x14/0x20 [ 117.079103][ T8122] ? _copy_from_user+0xd6/0x110 [ 117.083932][ T8122] __x64_sys_mount+0x169/0x1c0 [ 117.088690][ T8122] do_syscall_64+0xd0/0x630 [ 117.093173][ T8122] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.099041][ T8122] RIP: 0033:0x458da9 [ 117.102911][ T8122] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 117.122508][ T8122] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.130897][ T8122] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 117.138843][ T8122] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.146803][ T8122] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.154750][ T8122] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 117.162709][ T8122] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.170685][ T8125] CPU: 1 PID: 8125 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 117.179265][ T8125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.189299][ T8125] Call Trace: [ 117.192569][ T8125] dump_stack+0x12d/0x187 [ 117.196885][ T8125] should_fail.cold.4+0x5/0x13 [ 117.201626][ T8125] ? do_mount+0x1270/0x1b60 [ 117.206116][ T8125] ? fault_create_debugfs_attr+0x150/0x150 [ 117.211899][ T8125] ? find_held_lock+0x36/0x1d0 [ 117.216640][ T8125] should_fail_alloc_page+0x50/0x60 [ 117.221824][ T8125] __alloc_pages_nodemask+0x17f/0x890 [ 117.227178][ T8125] ? cache_grow_end+0xa8/0x190 [ 117.231921][ T8125] ? __alloc_pages_slowpath+0x2540/0x2540 [ 117.237619][ T8125] ? do_raw_spin_lock+0x132/0x2e0 [ 117.242636][ T8125] cache_grow_begin+0x92/0xca0 [ 117.247373][ T8125] ? __kmalloc+0xc5/0x790 [ 117.251681][ T8125] ? trace_hardirqs_off+0x41/0x1a0 [ 117.256789][ T8125] __kmalloc+0x6cd/0x790 [ 117.261026][ T8125] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 117.266297][ T8125] p9_fcall_init.isra.2+0x55/0x1c0 [ 117.271391][ T8125] p9_client_prepare_req.part.5+0x116/0x670 [ 117.277271][ T8125] p9_client_rpc+0x174/0xe50 [ 117.281845][ T8125] ? p9_client_prepare_req.part.5+0x670/0x670 [ 117.287895][ T8125] ? p9_pollwait+0x182/0x210 [ 117.292468][ T8125] ? pipe_poll+0xc2/0x6b0 [ 117.296779][ T8125] ? ksys_dup3+0x2e0/0x2e0 [ 117.301176][ T8125] ? p9_fd_poll+0x19b/0x2a0 [ 117.305660][ T8125] ? p9_conn_create+0x399/0x4e0 [ 117.310510][ T8125] ? p9_conn_create+0x4e0/0x4e0 [ 117.315347][ T8125] p9_client_create+0x7ec/0x10e0 [ 117.320273][ T8125] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 117.326315][ T8125] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.331834][ T8125] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.337874][ T8125] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.343659][ T8125] ? __kmalloc_track_caller+0x60e/0x780 [ 117.349201][ T8125] ? __x64_sys_mount+0x169/0x1c0 [ 117.354111][ T8125] ? do_syscall_64+0xd0/0x630 [ 117.358760][ T8125] ? lockdep_init_map+0x1b6/0x6c0 [ 117.363784][ T8125] v9fs_session_init+0x1ed/0x14c0 [ 117.368784][ T8125] ? v9fs_session_init+0x1ed/0x14c0 [ 117.373956][ T8125] ? __lock_acquire+0x100f/0x4ef0 [ 117.378965][ T8125] ? find_held_lock+0x36/0x1d0 [ 117.383840][ T8125] ? v9fs_show_options+0x6c0/0x6c0 [ 117.388940][ T8125] ? __kasan_check_read+0x11/0x20 [ 117.393973][ T8125] ? v9fs_mount+0x55/0x7f0 [ 117.398380][ T8125] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.403902][ T8125] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.409944][ T8125] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.415740][ T8125] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.421268][ T8125] ? apparmor_task_alloc+0x2f0/0x2f0 [ 117.426535][ T8125] v9fs_mount+0x72/0x7f0 [ 117.430769][ T8125] ? v9fs_write_inode+0x50/0x50 [ 117.435599][ T8125] legacy_get_tree+0x103/0x1f0 [ 117.440343][ T8125] vfs_get_tree+0x8b/0x2d0 [ 117.444731][ T8125] ? capable+0x14/0x20 [ 117.448791][ T8125] do_mount+0x1270/0x1b60 [ 117.453093][ T8125] ? lock_downgrade+0x900/0x900 [ 117.457920][ T8125] ? copy_mount_string+0x20/0x20 [ 117.462869][ T8125] ? __kasan_check_write+0x14/0x20 [ 117.467971][ T8125] ? _copy_from_user+0xd6/0x110 [ 117.472817][ T8125] __x64_sys_mount+0x169/0x1c0 [ 117.477557][ T8125] do_syscall_64+0xd0/0x630 [ 117.482054][ T8125] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.487921][ T8125] RIP: 0033:0x458da9 [ 117.491792][ T8125] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 117.511376][ T8125] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.519764][ T8125] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 117.527715][ T8125] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.535664][ T8125] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.543616][ T8125] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 117.551568][ T8125] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.559543][ T8113] CPU: 0 PID: 8113 Comm: syz-executor.3 Not tainted 5.6.0-rc6-syzkaller #0 2020/03/22 08:54:35 executed programs: 148 [ 117.568134][ T8113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.578187][ T8113] Call Trace: [ 117.581483][ T8113] dump_stack+0x12d/0x187 [ 117.585813][ T8113] should_fail.cold.4+0x5/0x13 [ 117.590572][ T8113] ? fault_create_debugfs_attr+0x150/0x150 [ 117.596381][ T8113] ? ___might_sleep+0x16b/0x2b0 [ 117.601244][ T8113] __should_failslab+0xba/0xf0 [ 117.602301][ T8129] FAULT_INJECTION: forcing a failure. [ 117.602301][ T8129] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 117.606016][ T8113] should_failslab+0x9/0x14 [ 117.623691][ T8113] __kmalloc+0x2eb/0x790 [ 117.628070][ T8113] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 117.633339][ T8113] p9_fcall_init.isra.2+0x55/0x1c0 [ 117.638452][ T8113] p9_client_prepare_req.part.5+0x116/0x670 [ 117.644338][ T8113] p9_client_rpc+0x174/0xe50 [ 117.648932][ T8113] ? p9_client_prepare_req.part.5+0x670/0x670 [ 117.654980][ T8113] ? p9_pollwait+0x182/0x210 [ 117.659565][ T8113] ? pipe_poll+0xc2/0x6b0 [ 117.663883][ T8113] ? ksys_dup3+0x2e0/0x2e0 [ 117.668279][ T8113] ? p9_fd_poll+0x19b/0x2a0 [ 117.672762][ T8113] ? p9_conn_create+0x399/0x4e0 [ 117.677598][ T8113] ? p9_conn_create+0x4e0/0x4e0 [ 117.682466][ T8113] p9_client_create+0x7ec/0x10e0 [ 117.687400][ T8113] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 117.693458][ T8113] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.698994][ T8113] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.705048][ T8113] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.710843][ T8113] ? __kmalloc_track_caller+0x60e/0x780 [ 117.716377][ T8113] ? __x64_sys_mount+0x169/0x1c0 [ 117.721294][ T8113] ? do_syscall_64+0xd0/0x630 [ 117.725952][ T8113] ? lockdep_init_map+0x1b6/0x6c0 [ 117.730984][ T8113] v9fs_session_init+0x1ed/0x14c0 [ 117.736013][ T8113] ? v9fs_session_init+0x1ed/0x14c0 [ 117.741202][ T8113] ? __lock_acquire+0x100f/0x4ef0 [ 117.746206][ T8113] ? find_held_lock+0x36/0x1d0 [ 117.750956][ T8113] ? v9fs_show_options+0x6c0/0x6c0 [ 117.756047][ T8113] ? __kasan_check_read+0x11/0x20 [ 117.761052][ T8113] ? v9fs_mount+0x55/0x7f0 [ 117.765446][ T8113] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.770985][ T8113] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.777040][ T8113] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.782844][ T8113] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.788370][ T8113] ? apparmor_task_alloc+0x2f0/0x2f0 [ 117.793636][ T8113] v9fs_mount+0x72/0x7f0 [ 117.797871][ T8113] ? v9fs_write_inode+0x50/0x50 [ 117.802709][ T8113] legacy_get_tree+0x103/0x1f0 [ 117.807450][ T8113] vfs_get_tree+0x8b/0x2d0 [ 117.811856][ T8113] ? capable+0x14/0x20 [ 117.815916][ T8113] do_mount+0x1270/0x1b60 [ 117.820217][ T8113] ? lock_downgrade+0x900/0x900 [ 117.825064][ T8113] ? copy_mount_string+0x20/0x20 [ 117.830013][ T8113] ? __kasan_check_write+0x14/0x20 [ 117.835119][ T8113] ? _copy_from_user+0xd6/0x110 [ 117.839954][ T8113] __x64_sys_mount+0x169/0x1c0 [ 117.844728][ T8113] do_syscall_64+0xd0/0x630 [ 117.849217][ T8113] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.855109][ T8113] RIP: 0033:0x458da9 [ 117.858988][ T8113] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 117.878593][ T8113] RSP: 002b:00007f5331405c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.886995][ T8113] RAX: ffffffffffffffda RBX: 00007f5331405c90 RCX: 0000000000458da9 [ 117.894944][ T8113] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.902911][ T8113] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.910859][ T8113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f53314066d4 [ 117.918808][ T8113] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.926783][ T8129] CPU: 1 PID: 8129 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 117.935373][ T8129] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.945422][ T8129] Call Trace: [ 117.948706][ T8129] dump_stack+0x12d/0x187 [ 117.951347][ T8133] FAULT_INJECTION: forcing a failure. [ 117.951347][ T8133] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 117.953045][ T8129] should_fail.cold.4+0x5/0x13 [ 117.970947][ T8129] ? kmem_cache_alloc+0x121/0x750 [ 117.975966][ T8129] ? fault_create_debugfs_attr+0x150/0x150 [ 117.981747][ T8129] ? vfs_get_tree+0x8b/0x2d0 [ 117.986327][ T8129] ? do_mount+0x1270/0x1b60 [ 117.990802][ T8129] ? __x64_sys_mount+0x169/0x1c0 [ 117.995714][ T8129] ? do_syscall_64+0xd0/0x630 [ 118.000365][ T8129] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.006417][ T8129] should_fail_alloc_page+0x50/0x60 [ 118.011590][ T8129] __alloc_pages_nodemask+0x17f/0x890 [ 118.016952][ T8129] ? __alloc_pages_slowpath+0x2540/0x2540 [ 118.022671][ T8129] cache_grow_begin+0x92/0xca0 [ 118.027409][ T8129] ? __kmalloc+0xc5/0x790 [ 118.031728][ T8129] ? trace_hardirqs_off+0x41/0x1a0 [ 118.036815][ T8129] __kmalloc+0x6cd/0x790 [ 118.041052][ T8129] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 118.046332][ T8129] p9_fcall_init.isra.2+0x55/0x1c0 [ 118.051425][ T8129] p9_client_prepare_req.part.5+0x96/0x670 [ 118.057214][ T8129] p9_client_rpc+0x174/0xe50 [ 118.061793][ T8129] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.067952][ T8129] ? p9_pollwait+0x182/0x210 [ 118.072523][ T8129] ? pipe_poll+0xc2/0x6b0 [ 118.076825][ T8129] ? ksys_dup3+0x2e0/0x2e0 [ 118.081235][ T8129] ? p9_fd_poll+0x19b/0x2a0 [ 118.085731][ T8129] ? p9_conn_create+0x399/0x4e0 [ 118.090576][ T8129] ? p9_conn_create+0x4e0/0x4e0 [ 118.095429][ T8129] p9_client_create+0x7ec/0x10e0 [ 118.100353][ T8129] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.106395][ T8129] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.111916][ T8129] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.117955][ T8129] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.123740][ T8129] ? __kmalloc_track_caller+0x60e/0x780 [ 118.129259][ T8129] ? __x64_sys_mount+0x169/0x1c0 [ 118.134175][ T8129] ? do_syscall_64+0xd0/0x630 [ 118.138828][ T8129] ? lockdep_init_map+0x1b6/0x6c0 [ 118.143852][ T8129] v9fs_session_init+0x1ed/0x14c0 [ 118.148846][ T8129] ? v9fs_session_init+0x1ed/0x14c0 [ 118.154023][ T8129] ? cache_grow_end+0xa8/0x190 [ 118.158760][ T8129] ? lock_downgrade+0x900/0x900 [ 118.163581][ T8129] ? __kasan_check_write+0x14/0x20 [ 118.168666][ T8129] ? v9fs_show_options+0x6c0/0x6c0 [ 118.173762][ T8129] ? __kasan_check_read+0x11/0x20 [ 118.178764][ T8129] ? v9fs_mount+0x55/0x7f0 [ 118.183191][ T8129] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.188725][ T8129] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.194780][ T8129] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.200583][ T8129] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.206138][ T8129] v9fs_mount+0x72/0x7f0 [ 118.210365][ T8129] ? v9fs_write_inode+0x50/0x50 [ 118.215194][ T8129] legacy_get_tree+0x103/0x1f0 [ 118.219941][ T8129] vfs_get_tree+0x8b/0x2d0 [ 118.224348][ T8129] ? capable+0x14/0x20 [ 118.228397][ T8129] do_mount+0x1270/0x1b60 [ 118.232701][ T8129] ? lock_downgrade+0x900/0x900 [ 118.237531][ T8129] ? copy_mount_string+0x20/0x20 [ 118.242458][ T8129] ? __kasan_check_write+0x14/0x20 [ 118.247563][ T8129] ? _copy_from_user+0xd6/0x110 [ 118.252397][ T8129] __x64_sys_mount+0x169/0x1c0 [ 118.257143][ T8129] do_syscall_64+0xd0/0x630 [ 118.261628][ T8129] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.267509][ T8129] RIP: 0033:0x458da9 [ 118.271379][ T8129] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 118.290957][ T8129] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 118.299345][ T8129] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 118.307293][ T8129] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 118.315239][ T8129] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 118.323186][ T8129] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 118.331157][ T8129] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 118.339236][ T8133] CPU: 0 PID: 8133 Comm: syz-executor.2 Not tainted 5.6.0-rc6-syzkaller #0 [ 118.347817][ T8133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.357881][ T8133] Call Trace: [ 118.361166][ T8133] dump_stack+0x12d/0x187 [ 118.365501][ T8133] should_fail.cold.4+0x5/0x13 [ 118.370258][ T8133] ? do_mount+0x1270/0x1b60 [ 118.374754][ T8133] ? fault_create_debugfs_attr+0x150/0x150 [ 118.380560][ T8133] ? find_held_lock+0x36/0x1d0 [ 118.385323][ T8133] should_fail_alloc_page+0x50/0x60 [ 118.390510][ T8133] __alloc_pages_nodemask+0x17f/0x890 [ 118.395870][ T8133] ? cache_grow_end+0xa8/0x190 [ 118.400631][ T8133] ? __alloc_pages_slowpath+0x2540/0x2540 [ 118.406342][ T8133] ? do_raw_spin_lock+0x132/0x2e0 [ 118.411372][ T8133] cache_grow_begin+0x92/0xca0 [ 118.416130][ T8133] ? __kmalloc+0xc5/0x790 [ 118.420461][ T8133] ? trace_hardirqs_off+0x41/0x1a0 [ 118.420566][ T8141] FAULT_INJECTION: forcing a failure. [ 118.420566][ T8141] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 118.425558][ T8133] __kmalloc+0x6cd/0x790 [ 118.443029][ T8133] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 118.448307][ T8133] p9_fcall_init.isra.2+0x55/0x1c0 [ 118.453412][ T8133] p9_client_prepare_req.part.5+0x116/0x670 [ 118.459290][ T8133] p9_client_rpc+0x174/0xe50 [ 118.463866][ T8133] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.469920][ T8133] ? p9_pollwait+0x182/0x210 [ 118.474497][ T8133] ? pipe_poll+0xc2/0x6b0 [ 118.478806][ T8133] ? ksys_dup3+0x2e0/0x2e0 [ 118.483200][ T8133] ? p9_fd_poll+0x19b/0x2a0 [ 118.487682][ T8133] ? p9_conn_create+0x399/0x4e0 [ 118.492511][ T8133] ? p9_conn_create+0x4e0/0x4e0 [ 118.497365][ T8133] p9_client_create+0x7ec/0x10e0 [ 118.502288][ T8133] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.508330][ T8133] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.513867][ T8133] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.519911][ T8133] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.525714][ T8133] ? __kmalloc_track_caller+0x60e/0x780 [ 118.531238][ T8133] ? __x64_sys_mount+0x169/0x1c0 [ 118.536167][ T8133] ? do_syscall_64+0xd0/0x630 [ 118.540819][ T8133] ? lockdep_init_map+0x1b6/0x6c0 [ 118.545834][ T8133] v9fs_session_init+0x1ed/0x14c0 [ 118.550850][ T8133] ? v9fs_session_init+0x1ed/0x14c0 [ 118.556031][ T8133] ? __lock_acquire+0x100f/0x4ef0 [ 118.561048][ T8133] ? find_held_lock+0x36/0x1d0 [ 118.565805][ T8133] ? v9fs_show_options+0x6c0/0x6c0 [ 118.570903][ T8133] ? __kasan_check_read+0x11/0x20 [ 118.575903][ T8133] ? v9fs_mount+0x55/0x7f0 [ 118.580294][ T8133] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.585812][ T8133] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.591849][ T8133] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.597634][ T8133] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.603159][ T8133] ? apparmor_task_alloc+0x2f0/0x2f0 [ 118.608434][ T8133] v9fs_mount+0x72/0x7f0 [ 118.612654][ T8133] ? v9fs_write_inode+0x50/0x50 [ 118.617478][ T8133] legacy_get_tree+0x103/0x1f0 [ 118.622222][ T8133] vfs_get_tree+0x8b/0x2d0 [ 118.626610][ T8133] ? capable+0x14/0x20 [ 118.630771][ T8133] do_mount+0x1270/0x1b60 [ 118.635088][ T8133] ? lock_downgrade+0x900/0x900 [ 118.639929][ T8133] ? copy_mount_string+0x20/0x20 [ 118.644849][ T8133] ? __kasan_check_write+0x14/0x20 [ 118.649932][ T8133] ? _copy_from_user+0xd6/0x110 [ 118.654763][ T8133] __x64_sys_mount+0x169/0x1c0 [ 118.659503][ T8133] do_syscall_64+0xd0/0x630 [ 118.664016][ T8133] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.669894][ T8133] RIP: 0033:0x458da9 [ 118.673774][ T8133] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 118.693471][ T8133] RSP: 002b:00007faf86b43c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 118.701860][ T8133] RAX: ffffffffffffffda RBX: 00007faf86b43c90 RCX: 0000000000458da9 [ 118.709811][ T8133] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 118.717784][ T8133] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 118.725757][ T8133] R10: 0000000000000000 R11: 0000000000000246 R12: 00007faf86b446d4 [ 118.733720][ T8133] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 118.741702][ T8141] CPU: 1 PID: 8141 Comm: syz-executor.1 Not tainted 5.6.0-rc6-syzkaller #0 [ 118.750283][ T8141] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.760333][ T8141] Call Trace: [ 118.763622][ T8141] dump_stack+0x12d/0x187 [ 118.767953][ T8141] should_fail.cold.4+0x5/0x13 [ 118.770566][ T8142] FAULT_INJECTION: forcing a failure. [ 118.770566][ T8142] name failslab, interval 1, probability 0, space 0, times 0 [ 118.772705][ T8141] ? do_mount+0x1270/0x1b60 [ 118.772717][ T8141] ? fault_create_debugfs_attr+0x150/0x150 [ 118.772729][ T8141] ? find_held_lock+0x36/0x1d0 [ 118.800413][ T8141] should_fail_alloc_page+0x50/0x60 [ 118.805602][ T8141] __alloc_pages_nodemask+0x17f/0x890 [ 118.810960][ T8141] ? cache_grow_end+0xa8/0x190 [ 118.815941][ T8141] ? __alloc_pages_slowpath+0x2540/0x2540 [ 118.821642][ T8141] ? do_raw_spin_lock+0x132/0x2e0 [ 118.826680][ T8141] cache_grow_begin+0x92/0xca0 [ 118.831426][ T8141] ? __kmalloc+0xc5/0x790 [ 118.835776][ T8141] ? trace_hardirqs_off+0x41/0x1a0 [ 118.840874][ T8141] __kmalloc+0x6cd/0x790 [ 118.845121][ T8141] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 118.850418][ T8141] p9_fcall_init.isra.2+0x55/0x1c0 [ 118.855526][ T8141] p9_client_prepare_req.part.5+0x116/0x670 [ 118.861417][ T8141] p9_client_rpc+0x174/0xe50 [ 118.866003][ T8141] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.872050][ T8141] ? p9_pollwait+0x182/0x210 [ 118.876633][ T8141] ? pipe_poll+0xc2/0x6b0 [ 118.880952][ T8141] ? ksys_dup3+0x2e0/0x2e0 [ 118.885364][ T8141] ? p9_fd_poll+0x19b/0x2a0 [ 118.889848][ T8141] ? p9_conn_create+0x399/0x4e0 [ 118.894693][ T8141] ? p9_conn_create+0x4e0/0x4e0 [ 118.899540][ T8141] p9_client_create+0x7ec/0x10e0 [ 118.904471][ T8141] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.910524][ T8141] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.916058][ T8141] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.922109][ T8141] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.927910][ T8141] ? __kmalloc_track_caller+0x60e/0x780 [ 118.933442][ T8141] ? __x64_sys_mount+0x169/0x1c0 [ 118.938363][ T8141] ? do_syscall_64+0xd0/0x630 [ 118.943042][ T8141] ? lockdep_init_map+0x1b6/0x6c0 [ 118.948077][ T8141] v9fs_session_init+0x1ed/0x14c0 [ 118.953089][ T8141] ? v9fs_session_init+0x1ed/0x14c0 [ 118.958262][ T8141] ? __lock_acquire+0x100f/0x4ef0 [ 118.963273][ T8141] ? find_held_lock+0x36/0x1d0 [ 118.968032][ T8141] ? v9fs_show_options+0x6c0/0x6c0 [ 118.973130][ T8141] ? __kasan_check_read+0x11/0x20 [ 118.978146][ T8141] ? v9fs_mount+0x55/0x7f0 [ 118.982554][ T8141] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.988079][ T8141] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.994132][ T8141] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.999929][ T8141] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.005472][ T8141] ? apparmor_task_alloc+0x2f0/0x2f0 [ 119.010852][ T8141] v9fs_mount+0x72/0x7f0 [ 119.015076][ T8141] ? v9fs_write_inode+0x50/0x50 [ 119.019917][ T8141] legacy_get_tree+0x103/0x1f0 [ 119.024668][ T8141] vfs_get_tree+0x8b/0x2d0 [ 119.029167][ T8141] ? capable+0x14/0x20 [ 119.033219][ T8141] do_mount+0x1270/0x1b60 [ 119.037524][ T8141] ? lock_downgrade+0x900/0x900 [ 119.042361][ T8141] ? copy_mount_string+0x20/0x20 [ 119.047305][ T8141] ? __kasan_check_write+0x14/0x20 [ 119.052400][ T8141] ? _copy_from_user+0xd6/0x110 [ 119.057250][ T8141] __x64_sys_mount+0x169/0x1c0 [ 119.061997][ T8141] do_syscall_64+0xd0/0x630 [ 119.066488][ T8141] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.072357][ T8141] RIP: 0033:0x458da9 [ 119.076227][ T8141] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 119.095808][ T8141] RSP: 002b:00007f10a14f3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 119.104281][ T8141] RAX: ffffffffffffffda RBX: 00007f10a14f3c90 RCX: 0000000000458da9 [ 119.112230][ T8141] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 119.120179][ T8141] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 119.128124][ T8141] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f10a14f46d4 [ 119.136084][ T8141] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 119.144075][ T8142] CPU: 0 PID: 8142 Comm: syz-executor.5 Not tainted 5.6.0-rc6-syzkaller #0 [ 119.152654][ T8142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.162700][ T8142] Call Trace: [ 119.165967][ T8142] dump_stack+0x12d/0x187 [ 119.170276][ T8142] should_fail.cold.4+0x5/0x13 [ 119.175015][ T8142] ? fault_create_debugfs_attr+0x150/0x150 [ 119.180797][ T8142] ? ___might_sleep+0x16b/0x2b0 [ 119.185629][ T8142] __should_failslab+0xba/0xf0 [ 119.190367][ T8142] should_failslab+0x9/0x14 [ 119.194844][ T8142] __kmalloc+0x2eb/0x790 [ 119.199065][ T8142] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 119.204328][ T8142] p9_fcall_init.isra.2+0x55/0x1c0 [ 119.209411][ T8142] p9_client_prepare_req.part.5+0x116/0x670 [ 119.215280][ T8142] p9_client_rpc+0x174/0xe50 [ 119.219845][ T8142] ? p9_client_prepare_req.part.5+0x670/0x670 [ 119.225886][ T8142] ? p9_pollwait+0x182/0x210 [ 119.230449][ T8142] ? pipe_poll+0xc2/0x6b0 [ 119.234746][ T8142] ? ksys_dup3+0x2e0/0x2e0 [ 119.239135][ T8142] ? p9_fd_poll+0x19b/0x2a0 [ 119.243613][ T8142] ? p9_conn_create+0x399/0x4e0 [ 119.248438][ T8142] ? p9_conn_create+0x4e0/0x4e0 [ 119.253269][ T8142] p9_client_create+0x7ec/0x10e0 [ 119.258209][ T8142] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 119.264277][ T8142] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.269815][ T8142] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.275855][ T8142] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.281642][ T8142] ? __kmalloc_track_caller+0x60e/0x780 [ 119.287165][ T8142] ? __x64_sys_mount+0x169/0x1c0 [ 119.292098][ T8142] ? do_syscall_64+0xd0/0x630 [ 119.296768][ T8142] ? lockdep_init_map+0x1b6/0x6c0 [ 119.301778][ T8142] v9fs_session_init+0x1ed/0x14c0 [ 119.306793][ T8142] ? v9fs_session_init+0x1ed/0x14c0 [ 119.311966][ T8142] ? __lock_acquire+0x100f/0x4ef0 [ 119.316967][ T8142] ? find_held_lock+0x36/0x1d0 [ 119.321710][ T8142] ? v9fs_show_options+0x6c0/0x6c0 [ 119.326794][ T8142] ? __kasan_check_read+0x11/0x20 [ 119.331792][ T8142] ? v9fs_mount+0x55/0x7f0 [ 119.336184][ T8142] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.341700][ T8142] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.347737][ T8142] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.353523][ T8142] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.359046][ T8142] ? apparmor_task_alloc+0x2f0/0x2f0 [ 119.364307][ T8142] v9fs_mount+0x72/0x7f0 [ 119.368528][ T8142] ? v9fs_write_inode+0x50/0x50 [ 119.373351][ T8142] legacy_get_tree+0x103/0x1f0 [ 119.378091][ T8142] vfs_get_tree+0x8b/0x2d0 [ 119.382479][ T8142] ? capable+0x14/0x20 [ 119.386530][ T8142] do_mount+0x1270/0x1b60 [ 119.390945][ T8142] ? lock_downgrade+0x900/0x900 [ 119.395788][ T8142] ? copy_mount_string+0x20/0x20 [ 119.400715][ T8142] ? __kasan_check_write+0x14/0x20 [ 119.405803][ T8142] ? _copy_from_user+0xd6/0x110 [ 119.410633][ T8142] __x64_sys_mount+0x169/0x1c0 [ 119.415409][ T8142] do_syscall_64+0xd0/0x630 [ 119.419901][ T8142] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.425774][ T8142] RIP: 0033:0x458da9 [ 119.429661][ T8142] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 119.449258][ T8142] RSP: 002b:00007f616b8bcc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 119.457641][ T8142] RAX: ffffffffffffffda RBX: 00007f616b8bcc90 RCX: 0000000000458da9 [ 119.465604][ T8142] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 119.473550][ T8142] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 119.481499][ T8142] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f616b8bd6d4 [ 119.489445][ T8142] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005