Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 19.753191][ C1] random: crng init done [ 19.757474][ C1] random: 7 urandom warning(s) missed due to ratelimiting [ 36.417955][ T6566] IPVS: ftp: loaded support on port[0] = 21 [ 36.720695][ T2568] tipc: TX() has been purged, node left! [ 36.949771][ T6546] can: request_module (can-proto-0) failed. [ 39.844572][ T6546] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.51' (ECDSA) to the list of known hosts. 2020/04/21 09:24:03 parsed 1 programs 2020/04/21 09:24:04 executed programs: 0 [ 48.158769][ T6691] IPVS: ftp: loaded support on port[0] = 21 [ 48.158975][ T6688] IPVS: ftp: loaded support on port[0] = 21 [ 48.175434][ T6685] IPVS: ftp: loaded support on port[0] = 21 [ 48.175480][ T6689] IPVS: ftp: loaded support on port[0] = 21 [ 48.214538][ T6701] IPVS: ftp: loaded support on port[0] = 21 [ 48.261215][ T6703] IPVS: ftp: loaded support on port[0] = 21 [ 48.381750][ T6691] chnl_net:caif_netlink_parms(): no params data found [ 48.400438][ T6685] chnl_net:caif_netlink_parms(): no params data found [ 48.475818][ T6691] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.483780][ T6691] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.491977][ T6691] device bridge_slave_0 entered promiscuous mode [ 48.503961][ T6685] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.511671][ T6685] bridge0: port 1(bridge_slave_0) entered disabled state [ 48.520759][ T6685] device bridge_slave_0 entered promiscuous mode [ 48.529919][ T6685] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.536940][ T6685] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.544551][ T6685] device bridge_slave_1 entered promiscuous mode [ 48.561990][ T6685] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.573177][ T6691] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.580456][ T6691] bridge0: port 2(bridge_slave_1) entered disabled state [ 48.589610][ T6691] device bridge_slave_1 entered promiscuous mode [ 48.606944][ T6691] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 48.617335][ T6685] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.637268][ T6691] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 48.653415][ T6685] team0: Port device team_slave_0 added [ 48.661801][ T6685] team0: Port device team_slave_1 added [ 48.782786][ T6685] device hsr_slave_0 entered promiscuous mode [ 48.848311][ T6685] device hsr_slave_1 entered promiscuous mode [ 48.914230][ T6701] chnl_net:caif_netlink_parms(): no params data found [ 48.976469][ T6688] chnl_net:caif_netlink_parms(): no params data found [ 48.986738][ T6691] team0: Port device team_slave_0 added [ 49.035994][ T6691] team0: Port device team_slave_1 added [ 49.054134][ T6701] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.064963][ T6701] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.072869][ T6701] device bridge_slave_0 entered promiscuous mode [ 49.080475][ T6689] chnl_net:caif_netlink_parms(): no params data found [ 49.114690][ T6689] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.121781][ T6689] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.130534][ T6689] device bridge_slave_0 entered promiscuous mode [ 49.140711][ T6701] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.147736][ T6701] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.156708][ T6701] device bridge_slave_1 entered promiscuous mode [ 49.174256][ T6701] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.191958][ T6689] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.199402][ T6689] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.206867][ T6689] device bridge_slave_1 entered promiscuous mode [ 49.221767][ T6701] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.247809][ T6703] chnl_net:caif_netlink_parms(): no params data found [ 49.290517][ T6691] device hsr_slave_0 entered promiscuous mode [ 49.328155][ T6691] device hsr_slave_1 entered promiscuous mode [ 49.378084][ T6691] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 49.385641][ T6691] Cannot create hsr debugfs directory [ 49.397291][ T6701] team0: Port device team_slave_0 added [ 49.408425][ T6689] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.423451][ T6701] team0: Port device team_slave_1 added [ 49.430127][ T6685] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.437220][ T6685] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.444819][ T6685] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.451939][ T6685] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.473039][ T2655] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.480730][ T2655] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.498547][ T6689] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 49.559662][ T6701] device hsr_slave_0 entered promiscuous mode [ 49.608290][ T6701] device hsr_slave_1 entered promiscuous mode [ 49.667981][ T6701] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 49.675540][ T6701] Cannot create hsr debugfs directory [ 49.687332][ T6688] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.695027][ T6688] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.702950][ T6688] device bridge_slave_0 entered promiscuous mode [ 49.715878][ T6688] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.723643][ T6688] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.732331][ T6688] device bridge_slave_1 entered promiscuous mode [ 49.759352][ T6703] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.766447][ T6703] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.774713][ T6703] device bridge_slave_0 entered promiscuous mode [ 49.786767][ T6703] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.794351][ T6703] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.802135][ T6703] device bridge_slave_1 entered promiscuous mode [ 49.824779][ T6689] team0: Port device team_slave_0 added [ 49.832927][ T6689] team0: Port device team_slave_1 added [ 49.852280][ T6688] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 49.921144][ T6689] device hsr_slave_0 entered promiscuous mode [ 49.958193][ T6689] device hsr_slave_1 entered promiscuous mode [ 50.017937][ T6689] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.025487][ T6689] Cannot create hsr debugfs directory [ 50.040270][ T6688] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.051135][ T6703] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.066424][ T6703] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.132221][ T6703] team0: Port device team_slave_0 added [ 50.143935][ T6703] team0: Port device team_slave_1 added [ 50.155028][ T6701] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.168548][ T6688] team0: Port device team_slave_0 added [ 50.175505][ T6688] team0: Port device team_slave_1 added [ 50.187659][ T6691] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.203635][ T6691] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.270585][ T6688] device hsr_slave_0 entered promiscuous mode [ 50.328072][ T6688] device hsr_slave_1 entered promiscuous mode [ 50.377867][ T6688] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.385425][ T6688] Cannot create hsr debugfs directory [ 50.404287][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.412510][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.431977][ T6701] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.453916][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.462474][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.474578][ T2575] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.481695][ T2575] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.490702][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.499537][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.507917][ T2575] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.514941][ T2575] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.522607][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.530751][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.550234][ T6685] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.629467][ T6703] device hsr_slave_0 entered promiscuous mode [ 50.688002][ T6703] device hsr_slave_1 entered promiscuous mode [ 50.757954][ T6703] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 50.765551][ T6703] Cannot create hsr debugfs directory [ 50.775560][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.783981][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.792693][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.802969][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.812911][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 50.821556][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 50.830382][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 50.839120][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 50.847238][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 50.855698][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 50.864306][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 50.872730][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.881407][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.890092][ T2545] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.897123][ T2545] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.904734][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.913282][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.921836][ T2545] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.928927][ T2545] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.936327][ T2545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.946461][ T6691] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 50.965457][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 50.973247][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.981322][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 50.990112][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 50.998838][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.015000][ T6685] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.040900][ T2655] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.048804][ T2655] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.056303][ T2655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.066902][ T2655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 51.075591][ T2655] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 51.085042][ T2655] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.092147][ T2655] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.104500][ T6691] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.123468][ T6701] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.140988][ T6701] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.155735][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.164567][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.174168][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.182895][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.192241][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.200735][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.210369][ T2575] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.236457][ T6689] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.262968][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 51.271875][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 51.280551][ T3809] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.287656][ T3809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.295329][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 51.304005][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.312971][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.322242][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.330771][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.339549][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.353340][ T6701] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.385106][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.395256][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 51.413860][ T7561] FAULT_INJECTION: forcing a failure. [ 51.413860][ T7561] name failslab, interval 1, probability 0, space 0, times 1 [ 51.418433][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 51.427215][ T7561] CPU: 0 PID: 7561 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 51.442186][ T7561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.449041][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.452748][ T7561] Call Trace: [ 51.462169][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.463789][ T7561] dump_stack+0x12d/0x187 [ 51.472666][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.475780][ T7561] should_fail.cold.4+0x5/0x13 [ 51.484882][ T23] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.488286][ T7561] ? fault_create_debugfs_attr+0x150/0x150 [ 51.488297][ T7561] ? ___might_sleep+0x16b/0x2b0 [ 51.488309][ T7561] __should_failslab+0xba/0xf0 [ 51.488317][ T7561] should_failslab+0x9/0x14 [ 51.488324][ T7561] __kmalloc+0x2eb/0x7a0 [ 51.488338][ T7561] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 51.504646][ T6688] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.507160][ T7561] ? kmem_cache_alloc+0x376/0x760 [ 51.515747][ T6689] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.516394][ T7561] p9_fcall_init.isra.2+0x55/0x1c0 [ 51.540095][ T6689] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.543994][ T7561] p9_client_prepare_req.part.5+0x96/0x670 [ 51.549102][ T6689] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.559366][ T7561] p9_client_rpc+0x174/0xe50 [ 51.559377][ T7561] ? p9_client_prepare_req.part.5+0x670/0x670 [ 51.559385][ T7561] ? p9_pollwait+0x182/0x210 [ 51.559395][ T7561] ? pipe_poll+0xc8/0x6b0 [ 51.559401][ T7561] ? ksys_dup3+0x2e0/0x2e0 [ 51.559409][ T7561] ? p9_fd_poll+0x19b/0x2a0 [ 51.559417][ T7561] ? p9_conn_create+0x3a5/0x4f0 [ 51.559426][ T7561] ? p9_conn_create+0x4f0/0x4f0 [ 51.581038][ T6689] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.586123][ T7561] p9_client_create+0x7fb/0x10f0 [ 51.625174][ T7561] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 51.626109][ T6703] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.631222][ T7561] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.631229][ T7561] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 51.631235][ T7561] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 51.631248][ T7561] ? lockdep_init_map_waits+0x270/0x870 [ 51.631264][ T7561] v9fs_session_init+0x1ed/0x14c0 [ 51.644640][ T6703] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.649376][ T7561] ? v9fs_session_init+0x1ed/0x14c0 [ 51.649387][ T7561] ? find_held_lock+0x36/0x1d0 [ 51.649398][ T7561] ? v9fs_show_options+0x6c0/0x6c0 [ 51.649404][ T7561] ? __kasan_check_read+0x11/0x20 [ 51.649412][ T7561] ? ping_v6_sendmsg+0x980/0xca0 [ 51.649419][ T7561] ? v9fs_mount+0x55/0x7f0 [ 51.649427][ T7561] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 51.649433][ T7561] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 51.649437][ T7561] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 51.649450][ T7561] ? kmem_cache_alloc_trace+0x39e/0x780 [ 51.680716][ T6703] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 51.682210][ T7561] ? apparmor_task_alloc+0x2f0/0x2f0 [ 51.687284][ T6703] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.692279][ T7561] v9fs_mount+0x72/0x7f0 [ 51.692288][ T7561] ? v9fs_write_inode+0x50/0x50 [ 51.692296][ T7561] legacy_get_tree+0x103/0x1f0 [ 51.692306][ T7561] vfs_get_tree+0x8b/0x2d0 [ 51.692312][ T7561] ? capable+0x14/0x20 [ 51.692322][ T7561] do_mount+0x1272/0x1c30 [ 51.692328][ T7561] ? lock_downgrade+0x960/0x960 [ 51.692337][ T7561] ? copy_mount_string+0x20/0x20 [ 51.692351][ T7561] ? __kasan_check_write+0x14/0x20 [ 51.712350][ T6703] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.713196][ T7561] ? _copy_from_user+0xc5/0x110 [ 51.803354][ T7561] __x64_sys_mount+0x169/0x1c0 [ 51.808111][ T7561] do_syscall_64+0xd0/0x630 [ 51.808980][ T7578] FAULT_INJECTION: forcing a failure. [ 51.808980][ T7578] name failslab, interval 1, probability 0, space 0, times 1 [ 51.812599][ T7561] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 51.812606][ T7561] RIP: 0033:0x458da9 [ 51.812613][ T7561] 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 [ 51.812617][ T7561] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 51.812623][ T7561] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 51.812629][ T7561] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 51.878741][ T7561] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 51.886686][ T7561] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 51.894628][ T7561] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 51.902590][ T7578] CPU: 1 PID: 7578 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 51.911163][ T7578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.916547][ T6685] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.921286][ T7578] Call Trace: [ 51.921299][ T7578] dump_stack+0x12d/0x187 [ 51.921311][ T7578] should_fail.cold.4+0x5/0x13 [ 51.921320][ T7578] ? fault_create_debugfs_attr+0x150/0x150 [ 51.921334][ T7578] ? ___might_sleep+0x16b/0x2b0 [ 51.943205][ T6685] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.946505][ T7578] __should_failslab+0xba/0xf0 [ 51.946514][ T7578] should_failslab+0x9/0x14 [ 51.946523][ T7578] __kmalloc+0x2eb/0x7a0 [ 51.959568][ T7581] FAULT_INJECTION: forcing a failure. [ 51.959568][ T7581] name failslab, interval 1, probability 0, space 0, times 0 [ 51.962822][ T7578] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 51.962830][ T7578] ? kmem_cache_alloc+0x376/0x760 [ 51.962839][ T7578] p9_fcall_init.isra.2+0x55/0x1c0 [ 51.999402][ T7578] p9_client_prepare_req.part.5+0x96/0x670 [ 52.005187][ T7578] p9_client_rpc+0x174/0xe50 [ 52.009764][ T7578] ? p9_client_prepare_req.part.5+0x670/0x670 [ 52.015813][ T7578] ? p9_pollwait+0x182/0x210 [ 52.020376][ T7578] ? pipe_poll+0xc8/0x6b0 [ 52.024674][ T7578] ? ksys_dup3+0x2e0/0x2e0 [ 52.029059][ T7578] ? p9_fd_poll+0x19b/0x2a0 [ 52.033534][ T7578] ? p9_conn_create+0x3a5/0x4f0 [ 52.038371][ T7578] ? p9_conn_create+0x4f0/0x4f0 [ 52.043197][ T7578] p9_client_create+0x7fb/0x10f0 [ 52.048115][ T7578] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 52.054163][ T7578] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.059682][ T7578] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.065717][ T7578] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.071510][ T7578] ? lockdep_init_map_waits+0x270/0x870 [ 52.077055][ T7578] v9fs_session_init+0x1ed/0x14c0 [ 52.082075][ T7578] ? v9fs_session_init+0x1ed/0x14c0 [ 52.087267][ T7578] ? find_held_lock+0x36/0x1d0 [ 52.092022][ T7578] ? v9fs_show_options+0x6c0/0x6c0 [ 52.097115][ T7578] ? __kasan_check_read+0x11/0x20 [ 52.102121][ T7578] ? l2cap_sock_accept+0x210/0x490 [ 52.107214][ T7578] ? v9fs_mount+0x55/0x7f0 [ 52.111620][ T7578] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.117152][ T7578] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.123219][ T7578] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.129004][ T7578] ? kmem_cache_alloc_trace+0x39e/0x780 [ 52.134523][ T7578] ? apparmor_task_alloc+0x2f0/0x2f0 [ 52.139787][ T7578] v9fs_mount+0x72/0x7f0 [ 52.144018][ T7578] ? v9fs_write_inode+0x50/0x50 [ 52.148860][ T7578] legacy_get_tree+0x103/0x1f0 [ 52.153611][ T7578] vfs_get_tree+0x8b/0x2d0 [ 52.158023][ T7578] ? capable+0x14/0x20 [ 52.162079][ T7578] do_mount+0x1272/0x1c30 [ 52.166396][ T7578] ? lock_downgrade+0x960/0x960 [ 52.171232][ T7578] ? copy_mount_string+0x20/0x20 [ 52.176271][ T7578] ? __kasan_check_write+0x14/0x20 [ 52.181359][ T7578] ? _copy_from_user+0xc5/0x110 [ 52.186632][ T7578] __x64_sys_mount+0x169/0x1c0 [ 52.191388][ T7578] do_syscall_64+0xd0/0x630 [ 52.195881][ T7578] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.201756][ T7578] RIP: 0033:0x458da9 [ 52.205636][ T7578] 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 [ 52.225224][ T7578] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.233614][ T7578] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 52.241590][ T7578] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 52.248026][ T7597] FAULT_INJECTION: forcing a failure. [ 52.248026][ T7597] name failslab, interval 1, probability 0, space 0, times 0 [ 52.249546][ T7578] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 52.249550][ T7578] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 52.249554][ T7578] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 52.272679][ T6688] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.299253][ T7581] CPU: 0 PID: 7581 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 52.307836][ T7581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.308134][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.317866][ T7581] Call Trace: [ 52.317880][ T7581] dump_stack+0x12d/0x187 [ 52.317893][ T7581] should_fail.cold.4+0x5/0x13 [ 52.317903][ T7581] ? fault_create_debugfs_attr+0x150/0x150 [ 52.317913][ T7581] ? ___might_sleep+0x16b/0x2b0 [ 52.317929][ T7581] __should_failslab+0xba/0xf0 [ 52.317937][ T7581] should_failslab+0x9/0x14 [ 52.317945][ T7581] __kmalloc+0x2eb/0x7a0 [ 52.326803][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.329249][ T7581] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 52.329257][ T7581] ? kmem_cache_alloc+0x376/0x760 [ 52.329267][ T7581] p9_fcall_init.isra.2+0x55/0x1c0 [ 52.329276][ T7581] p9_client_prepare_req.part.5+0x96/0x670 [ 52.329287][ T7581] p9_client_rpc+0x174/0xe50 [ 52.329298][ T7581] ? p9_client_prepare_req.part.5+0x670/0x670 [ 52.329306][ T7581] ? p9_pollwait+0x182/0x210 [ 52.329316][ T7581] ? pipe_poll+0xc8/0x6b0 [ 52.329322][ T7581] ? ksys_dup3+0x2e0/0x2e0 [ 52.329329][ T7581] ? p9_fd_poll+0x19b/0x2a0 [ 52.334319][ T3809] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.338365][ T7581] ? p9_conn_create+0x3a5/0x4f0 [ 52.338376][ T7581] ? p9_conn_create+0x4f0/0x4f0 [ 52.338390][ T7581] p9_client_create+0x7fb/0x10f0 [ 52.338405][ T7581] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 52.338412][ T7581] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.338418][ T7581] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.338424][ T7581] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.338438][ T7581] ? lockdep_init_map_waits+0x270/0x870 [ 52.338455][ T7581] v9fs_session_init+0x1ed/0x14c0 [ 52.344350][ T3809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.349149][ T7581] ? v9fs_session_init+0x1ed/0x14c0 [ 52.349161][ T7581] ? cache_grow_end+0xab/0x190 [ 52.349168][ T7581] ? lock_downgrade+0x960/0x960 [ 52.349173][ T7581] ? __kasan_check_write+0x14/0x20 [ 52.349180][ T7581] ? v9fs_show_options+0x6c0/0x6c0 [ 52.354599][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.358391][ T7581] ? __kasan_check_read+0x11/0x20 [ 52.358403][ T7581] ? v9fs_mount+0x55/0x7f0 [ 52.358412][ T7581] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.358418][ T7581] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.358422][ T7581] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.358435][ T7581] ? kmem_cache_alloc_trace+0x39e/0x780 [ 52.358448][ T7581] v9fs_mount+0x72/0x7f0 [ 52.358458][ T7581] ? v9fs_write_inode+0x50/0x50 [ 52.358465][ T7581] legacy_get_tree+0x103/0x1f0 [ 52.358475][ T7581] vfs_get_tree+0x8b/0x2d0 [ 52.358483][ T7581] ? capable+0x14/0x20 [ 52.363569][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.370657][ T7581] do_mount+0x1272/0x1c30 [ 52.370665][ T7581] ? lock_downgrade+0x960/0x960 [ 52.370675][ T7581] ? copy_mount_string+0x20/0x20 [ 52.370691][ T7581] ? __kasan_check_write+0x14/0x20 [ 52.370698][ T7581] ? _copy_from_user+0xc5/0x110 [ 52.370710][ T7581] __x64_sys_mount+0x169/0x1c0 [ 52.370721][ T7581] do_syscall_64+0xd0/0x630 [ 52.370732][ T7581] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.370739][ T7581] RIP: 0033:0x458da9 [ 52.376607][ T3809] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.380987][ T7581] 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 [ 52.380991][ T7581] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.380998][ T7581] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 52.381002][ T7581] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 52.381006][ T7581] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 52.381010][ T7581] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 52.381014][ T7581] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 52.434400][ T7598] 9pnet: Insufficient options for proto=fd [ 52.437075][ T3809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.455432][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.466473][ T7597] CPU: 0 PID: 7597 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 52.473194][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.476495][ T7597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.476499][ T7597] Call Trace: [ 52.476512][ T7597] dump_stack+0x12d/0x187 [ 52.476526][ T7597] should_fail.cold.4+0x5/0x13 [ 52.476536][ T7597] ? fault_create_debugfs_attr+0x150/0x150 [ 52.476546][ T7597] ? ___might_sleep+0x16b/0x2b0 [ 52.476557][ T7597] __should_failslab+0xba/0xf0 [ 52.484805][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.488891][ T7597] should_failslab+0x9/0x14 [ 52.488899][ T7597] __kmalloc+0x2eb/0x7a0 [ 52.488918][ T7597] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 52.488923][ T7597] ? kmem_cache_alloc+0x376/0x760 [ 52.488933][ T7597] p9_fcall_init.isra.2+0x55/0x1c0 [ 52.488941][ T7597] p9_client_prepare_req.part.5+0x96/0x670 [ 52.488952][ T7597] p9_client_rpc+0x174/0xe50 [ 52.488963][ T7597] ? p9_client_prepare_req.part.5+0x670/0x670 [ 52.488973][ T7597] ? p9_pollwait+0x182/0x210 [ 52.494697][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.498537][ T7597] ? pipe_poll+0xc8/0x6b0 [ 52.498544][ T7597] ? ksys_dup3+0x2e0/0x2e0 [ 52.498554][ T7597] ? p9_fd_poll+0x19b/0x2a0 [ 52.498563][ T7597] ? p9_conn_create+0x3a5/0x4f0 [ 52.498573][ T7597] ? p9_conn_create+0x4f0/0x4f0 [ 52.498586][ T7597] p9_client_create+0x7fb/0x10f0 [ 52.498600][ T7597] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 52.498607][ T7597] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.498613][ T7597] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.498620][ T7597] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.504434][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.508792][ T7597] ? lockdep_init_map_waits+0x270/0x870 [ 52.508810][ T7597] v9fs_session_init+0x1ed/0x14c0 [ 52.508817][ T7597] ? v9fs_session_init+0x1ed/0x14c0 [ 52.508830][ T7597] ? cache_grow_end+0xab/0x190 [ 52.508837][ T7597] ? lock_downgrade+0x960/0x960 [ 52.508842][ T7597] ? __kasan_check_write+0x14/0x20 [ 52.508849][ T7597] ? v9fs_show_options+0x6c0/0x6c0 [ 52.508854][ T7597] ? __kasan_check_read+0x11/0x20 [ 52.508861][ T7597] ? br_nf_pre_routing+0x20/0x1b43 [ 52.508869][ T7597] ? v9fs_mount+0x55/0x7f0 [ 52.517875][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.521918][ T7597] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.521926][ T7597] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.521931][ T7597] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.521944][ T7597] ? kmem_cache_alloc_trace+0x39e/0x780 [ 52.521959][ T7597] v9fs_mount+0x72/0x7f0 [ 52.521969][ T7597] ? v9fs_write_inode+0x50/0x50 [ 52.526867][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.531870][ T7597] legacy_get_tree+0x103/0x1f0 [ 52.531881][ T7597] vfs_get_tree+0x8b/0x2d0 [ 52.531888][ T7597] ? capable+0x14/0x20 [ 52.531897][ T7597] do_mount+0x1272/0x1c30 [ 52.531908][ T7597] ? lock_downgrade+0x960/0x960 [ 52.531918][ T7597] ? copy_mount_string+0x20/0x20 [ 52.531934][ T7597] ? __kasan_check_write+0x14/0x20 [ 52.531941][ T7597] ? _copy_from_user+0xc5/0x110 [ 52.531954][ T7597] __x64_sys_mount+0x169/0x1c0 [ 52.538903][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.543771][ T7597] do_syscall_64+0xd0/0x630 [ 52.543783][ T7597] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.543790][ T7597] RIP: 0033:0x458da9 [ 52.543797][ T7597] 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 [ 52.543801][ T7597] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.543808][ T7597] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 52.543811][ T7597] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 52.543816][ T7597] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 52.550210][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.553540][ T7597] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 52.553544][ T7597] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 52.605963][ T7603] FAULT_INJECTION: forcing a failure. [ 52.605963][ T7603] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 52.619615][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.619881][ T7603] CPU: 0 PID: 7603 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 52.619887][ T7603] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.624160][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 52.630759][ T7603] Call Trace: [ 52.630772][ T7603] dump_stack+0x12d/0x187 [ 52.630785][ T7603] should_fail.cold.4+0x5/0x13 [ 52.630792][ T7603] ? kmem_cache_alloc+0x121/0x760 [ 52.630800][ T7603] ? fault_create_debugfs_attr+0x150/0x150 [ 52.630806][ T7603] ? vfs_get_tree+0x8b/0x2d0 [ 52.630812][ T7603] ? do_mount+0x1272/0x1c30 [ 52.630817][ T7603] ? __x64_sys_mount+0x169/0x1c0 [ 52.630824][ T7603] ? do_syscall_64+0xd0/0x630 [ 52.630831][ T7603] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.630843][ T7603] should_fail_alloc_page+0x50/0x60 [ 52.651286][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.658818][ T7603] __alloc_pages_nodemask+0x17f/0x880 [ 52.658824][ T7603] ? __kasan_check_read+0x11/0x20 [ 52.658831][ T7603] ? mark_lock+0xbf/0x630 [ 52.658838][ T7603] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 52.658842][ T7603] ? __kasan_check_read+0x11/0x20 [ 52.658859][ T7603] cache_grow_begin+0x92/0xc70 [ 52.658865][ T7603] ? __kmalloc+0xc5/0x7a0 [ 52.667306][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 52.674760][ T7603] ? trace_hardirqs_off+0x41/0x1a0 [ 52.674770][ T7603] __kmalloc+0x6d3/0x7a0 [ 52.674781][ T7603] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 52.674792][ T7603] p9_fcall_init.isra.2+0x55/0x1c0 [ 52.684696][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.690711][ T7603] p9_client_prepare_req.part.5+0x96/0x670 [ 52.690722][ T7603] p9_client_rpc+0x174/0xe50 [ 52.690732][ T7603] ? p9_client_prepare_req.part.5+0x670/0x670 [ 52.690741][ T7603] ? p9_pollwait+0x182/0x210 [ 52.690750][ T7603] ? pipe_poll+0xc8/0x6b0 [ 52.690757][ T7603] ? ksys_dup3+0x2e0/0x2e0 [ 52.699201][ T3809] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.704482][ T7603] ? p9_fd_poll+0x19b/0x2a0 [ 52.704490][ T7603] ? p9_conn_create+0x3a5/0x4f0 [ 52.711716][ T3809] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.719511][ T7603] ? p9_conn_create+0x4f0/0x4f0 [ 52.719525][ T7603] p9_client_create+0x7fb/0x10f0 [ 52.719538][ T7603] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 52.728617][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 52.735961][ T7603] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.746652][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.749245][ T7603] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.749251][ T7603] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.749265][ T7603] ? lockdep_init_map_waits+0x270/0x870 [ 52.749282][ T7603] v9fs_session_init+0x1ed/0x14c0 [ 52.749288][ T7603] ? v9fs_session_init+0x1ed/0x14c0 [ 52.754579][ T3809] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.758324][ T7603] ? find_held_lock+0x36/0x1d0 [ 52.758338][ T7603] ? v9fs_show_options+0x6c0/0x6c0 [ 52.758344][ T7603] ? __kasan_check_read+0x11/0x20 [ 52.758353][ T7603] ? v9fs_mount+0x55/0x7f0 [ 52.758359][ T7603] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 52.758366][ T7603] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 52.764174][ T3809] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.768978][ T7603] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 52.768993][ T7603] ? kmem_cache_alloc_trace+0x39e/0x780 [ 52.769001][ T7603] ? apparmor_task_alloc+0x2f0/0x2f0 [ 52.769011][ T7603] v9fs_mount+0x72/0x7f0 [ 52.775373][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 52.781605][ T7603] ? v9fs_write_inode+0x50/0x50 [ 52.781614][ T7603] legacy_get_tree+0x103/0x1f0 [ 52.781624][ T7603] vfs_get_tree+0x8b/0x2d0 [ 52.781631][ T7603] ? capable+0x14/0x20 [ 52.781639][ T7603] do_mount+0x1272/0x1c30 [ 52.781646][ T7603] ? lock_downgrade+0x960/0x960 [ 52.787577][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 52.790340][ T7603] ? copy_mount_string+0x20/0x20 [ 52.796448][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 52.800940][ T7603] ? __kasan_check_write+0x14/0x20 [ 52.800947][ T7603] ? _copy_from_user+0xc5/0x110 [ 52.800958][ T7603] __x64_sys_mount+0x169/0x1c0 [ 52.800975][ T7603] do_syscall_64+0xd0/0x630 [ 52.807628][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.812867][ T7603] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 52.817840][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 52.823453][ T7603] RIP: 0033:0x458da9 [ 52.823460][ T7603] 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 [ 52.828813][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 52.835790][ T7603] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 52.840698][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 52.844477][ T7603] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 52.844481][ T7603] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 52.850599][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 52.853786][ T7603] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 52.853791][ T7603] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 52.859321][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 52.863515][ T7603] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 52.893186][ T7606] FAULT_INJECTION: forcing a failure. [ 52.893186][ T7606] name failslab, interval 1, probability 0, space 0, times 0 [ 52.955505][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 52.983459][ T7614] FAULT_INJECTION: forcing a failure. [ 52.983459][ T7614] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 52.999551][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.000826][ T7614] CPU: 0 PID: 7614 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 53.000831][ T7614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.000835][ T7614] Call Trace: [ 53.000847][ T7614] dump_stack+0x12d/0x187 [ 53.000860][ T7614] should_fail.cold.4+0x5/0x13 [ 53.000868][ T7614] ? kmem_cache_alloc+0x121/0x760 [ 53.000876][ T7614] ? fault_create_debugfs_attr+0x150/0x150 [ 53.000883][ T7614] ? vfs_get_tree+0x8b/0x2d0 [ 53.005828][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.009315][ T7614] ? do_mount+0x1272/0x1c30 [ 53.009321][ T7614] ? __x64_sys_mount+0x169/0x1c0 [ 53.009328][ T7614] ? do_syscall_64+0xd0/0x630 [ 53.009337][ T7614] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.009351][ T7614] should_fail_alloc_page+0x50/0x60 [ 53.009357][ T7614] __alloc_pages_nodemask+0x17f/0x880 [ 53.009362][ T7614] ? __kasan_check_read+0x11/0x20 [ 53.009369][ T7614] ? mark_lock+0xbf/0x630 [ 53.009377][ T7614] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 53.009381][ T7614] ? __kasan_check_read+0x11/0x20 [ 53.009398][ T7614] cache_grow_begin+0x92/0xc70 [ 53.009403][ T7614] ? __kmalloc+0xc5/0x7a0 [ 53.009410][ T7614] ? trace_hardirqs_off+0x41/0x1a0 [ 53.009419][ T7614] __kmalloc+0x6d3/0x7a0 [ 53.021685][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.023467][ T7614] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 53.023478][ T7614] p9_fcall_init.isra.2+0x55/0x1c0 [ 53.023487][ T7614] p9_client_prepare_req.part.5+0x96/0x670 [ 53.023499][ T7614] p9_client_rpc+0x174/0xe50 [ 53.023510][ T7614] ? p9_client_prepare_req.part.5+0x670/0x670 [ 53.031124][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.033423][ T7614] ? p9_pollwait+0x182/0x210 [ 53.033434][ T7614] ? pipe_poll+0xc8/0x6b0 [ 53.033440][ T7614] ? ksys_dup3+0x2e0/0x2e0 [ 53.033449][ T7614] ? p9_fd_poll+0x19b/0x2a0 [ 53.033458][ T7614] ? p9_conn_create+0x3a5/0x4f0 [ 53.033467][ T7614] ? p9_conn_create+0x4f0/0x4f0 [ 53.033479][ T7614] p9_client_create+0x7fb/0x10f0 [ 53.041065][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.045904][ T7614] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 53.045913][ T7614] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.045920][ T7614] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 53.045926][ T7614] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 53.045945][ T7614] ? lockdep_init_map_waits+0x270/0x870 [ 53.045961][ T7614] v9fs_session_init+0x1ed/0x14c0 [ 53.053974][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 53.056296][ T7614] ? v9fs_session_init+0x1ed/0x14c0 [ 53.056308][ T7614] ? find_held_lock+0x36/0x1d0 [ 53.056321][ T7614] ? v9fs_show_options+0x6c0/0x6c0 [ 53.056327][ T7614] ? __kasan_check_read+0x11/0x20 [ 53.056334][ T7614] ? dequeue_func+0x1c0/0x360 [ 53.056344][ T7614] ? v9fs_mount+0x55/0x7f0 [ 53.062762][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.079794][ T7614] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 53.079801][ T7614] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 53.079806][ T7614] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 53.079823][ T7614] ? kmem_cache_alloc_trace+0x39e/0x780 [ 53.079832][ T7614] ? apparmor_task_alloc+0x2f0/0x2f0 [ 53.079844][ T7614] v9fs_mount+0x72/0x7f0 [ 53.079853][ T7614] ? v9fs_write_inode+0x50/0x50 [ 53.079860][ T7614] legacy_get_tree+0x103/0x1f0 [ 53.079870][ T7614] vfs_get_tree+0x8b/0x2d0 [ 53.079878][ T7614] ? capable+0x14/0x20 [ 53.079887][ T7614] do_mount+0x1272/0x1c30 [ 53.079893][ T7614] ? lock_downgrade+0x960/0x960 [ 53.079901][ T7614] ? copy_mount_string+0x20/0x20 [ 53.079915][ T7614] ? __kasan_check_write+0x14/0x20 [ 53.092730][ T3809] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.096239][ T7614] ? _copy_from_user+0xc5/0x110 [ 53.096253][ T7614] __x64_sys_mount+0x169/0x1c0 [ 53.096266][ T7614] do_syscall_64+0xd0/0x630 [ 53.096278][ T7614] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 53.096284][ T7614] RIP: 0033:0x458da9 [ 53.096291][ 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 [ 54.139149][ T7614] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.147528][ T7614] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 54.155469][ T7614] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 54.163410][ T7614] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 54.171352][ T7614] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 54.179299][ T7614] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 54.187274][ T7606] CPU: 1 PID: 7606 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 2020/04/21 09:24:10 executed programs: 11 [ 54.195847][ T7606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.205890][ T7606] Call Trace: [ 54.209186][ T7606] dump_stack+0x12d/0x187 [ 54.213518][ T7606] should_fail.cold.4+0x5/0x13 [ 54.218275][ T7606] ? fault_create_debugfs_attr+0x150/0x150 [ 54.224070][ T7606] ? ___might_sleep+0x16b/0x2b0 [ 54.228907][ T7606] __should_failslab+0xba/0xf0 [ 54.233654][ T7606] should_failslab+0x9/0x14 [ 54.238140][ T7606] __kmalloc+0x2eb/0x7a0 [ 54.242368][ T7606] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 54.248252][ T7606] p9_fcall_init.isra.2+0x55/0x1c0 [ 54.248745][ T7622] FAULT_INJECTION: forcing a failure. [ 54.248745][ T7622] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 54.253346][ T7606] p9_client_prepare_req.part.5+0x116/0x670 [ 54.275750][ T7606] p9_client_rpc+0x174/0xe50 [ 54.280314][ T7606] ? p9_client_prepare_req.part.5+0x670/0x670 [ 54.286356][ T7606] ? p9_pollwait+0x182/0x210 [ 54.290930][ T7606] ? pipe_poll+0xc8/0x6b0 [ 54.295228][ T7606] ? ksys_dup3+0x2e0/0x2e0 [ 54.299614][ T7606] ? p9_fd_poll+0x19b/0x2a0 [ 54.304096][ T7606] ? p9_conn_create+0x3a5/0x4f0 [ 54.308918][ T7606] ? p9_conn_create+0x4f0/0x4f0 [ 54.313743][ T7606] p9_client_create+0x7fb/0x10f0 [ 54.318657][ T7606] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 54.324697][ T7606] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.330213][ T7606] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 54.336248][ T7606] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 54.342028][ T7606] ? lockdep_init_map_waits+0x270/0x870 [ 54.347550][ T7606] v9fs_session_init+0x1ed/0x14c0 [ 54.352540][ T7606] ? v9fs_session_init+0x1ed/0x14c0 [ 54.357707][ T7606] ? find_held_lock+0x36/0x1d0 [ 54.362964][ T7606] ? v9fs_show_options+0x6c0/0x6c0 [ 54.368041][ T7606] ? __kasan_check_read+0x11/0x20 [ 54.373034][ T7606] ? addrconf_prefix_rcv_add_addr+0x5d0/0x750 [ 54.379068][ T7606] ? v9fs_mount+0x55/0x7f0 [ 54.383451][ T7606] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.388965][ T7606] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 54.395009][ T7606] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 54.400787][ T7606] ? kmem_cache_alloc_trace+0x39e/0x780 [ 54.406315][ T7606] ? apparmor_task_alloc+0x2f0/0x2f0 [ 54.411668][ T7606] v9fs_mount+0x72/0x7f0 [ 54.415884][ T7606] ? v9fs_write_inode+0x50/0x50 [ 54.420722][ T7606] legacy_get_tree+0x103/0x1f0 [ 54.425462][ T7606] vfs_get_tree+0x8b/0x2d0 [ 54.429851][ T7606] ? capable+0x14/0x20 [ 54.433904][ T7606] do_mount+0x1272/0x1c30 [ 54.438206][ T7606] ? lock_downgrade+0x960/0x960 [ 54.443032][ T7606] ? copy_mount_string+0x20/0x20 [ 54.447950][ T7606] ? __kasan_check_write+0x14/0x20 [ 54.453033][ T7606] ? _copy_from_user+0xc5/0x110 [ 54.457860][ T7606] __x64_sys_mount+0x169/0x1c0 [ 54.462598][ T7606] do_syscall_64+0xd0/0x630 [ 54.467078][ T7606] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 54.472941][ T7606] RIP: 0033:0x458da9 [ 54.476808][ T7606] 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 [ 54.496381][ T7606] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.504762][ T7606] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 54.512706][ T7606] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 54.520649][ T7606] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 54.528600][ T7606] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 54.536543][ T7606] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 54.544502][ T7622] CPU: 0 PID: 7622 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 54.553074][ T7622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.563120][ T7622] Call Trace: [ 54.566400][ T7622] dump_stack+0x12d/0x187 [ 54.570745][ T7622] should_fail.cold.4+0x5/0x13 [ 54.575497][ T7622] ? kmem_cache_alloc+0x121/0x760 [ 54.580522][ T7622] ? fault_create_debugfs_attr+0x150/0x150 [ 54.586316][ T7622] ? vfs_get_tree+0x8b/0x2d0 [ 54.588453][ T6688] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.590886][ T7622] ? do_mount+0x1272/0x1c30 [ 54.590892][ T7622] ? __x64_sys_mount+0x169/0x1c0 [ 54.590900][ T7622] ? do_syscall_64+0xd0/0x630 [ 54.590908][ T7622] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 54.590921][ T7622] should_fail_alloc_page+0x50/0x60 [ 54.601406][ T6688] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.605799][ T7622] __alloc_pages_nodemask+0x17f/0x880 [ 54.605805][ T7622] ? __kasan_check_read+0x11/0x20 [ 54.605812][ T7622] ? mark_lock+0xbf/0x630 [ 54.605823][ T7622] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 54.624421][ T6688] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.626599][ T7622] ? __kasan_check_read+0x11/0x20 [ 54.626620][ T7622] cache_grow_begin+0x92/0xc70 [ 54.667359][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.670235][ T7622] ? __kmalloc+0xc5/0x7a0 [ 54.675417][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.683002][ T7622] ? trace_hardirqs_off+0x41/0x1a0 [ 54.683012][ T7622] __kmalloc+0x6d3/0x7a0 [ 54.683024][ T7622] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 54.683033][ T7622] p9_fcall_init.isra.2+0x55/0x1c0 [ 54.683041][ T7622] p9_client_prepare_req.part.5+0x96/0x670 [ 54.683052][ T7622] p9_client_rpc+0x174/0xe50 [ 54.683062][ T7622] ? p9_client_prepare_req.part.5+0x670/0x670 [ 54.683070][ T7622] ? p9_pollwait+0x182/0x210 [ 54.714114][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.714996][ T7622] ? pipe_poll+0xc8/0x6b0 [ 54.715003][ T7622] ? ksys_dup3+0x2e0/0x2e0 [ 54.715015][ T7622] ? p9_fd_poll+0x19b/0x2a0 [ 54.721649][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.726136][ T7622] ? p9_conn_create+0x3a5/0x4f0 [ 54.738745][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.743735][ T7622] ? p9_conn_create+0x4f0/0x4f0 [ 54.743749][ T7622] p9_client_create+0x7fb/0x10f0 [ 54.743761][ T7622] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 54.748561][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.752449][ T7622] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.752457][ T7622] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 54.752463][ T7622] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 54.752477][ T7622] ? lockdep_init_map_waits+0x270/0x870 [ 54.760680][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.764124][ T7622] v9fs_session_init+0x1ed/0x14c0 [ 54.764130][ T7622] ? v9fs_session_init+0x1ed/0x14c0 [ 54.764140][ T7622] ? find_held_lock+0x36/0x1d0 [ 54.769003][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.776996][ T7622] ? v9fs_show_options+0x6c0/0x6c0 [ 54.783878][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.786726][ T7622] ? __kasan_check_read+0x11/0x20 [ 54.786737][ T7622] ? v9fs_mount+0x55/0x7f0 [ 54.786745][ T7622] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.786752][ T7622] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 54.794938][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.800743][ T7622] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 54.800757][ T7622] ? kmem_cache_alloc_trace+0x39e/0x780 [ 54.800766][ T7622] ? apparmor_task_alloc+0x2f0/0x2f0 [ 54.800778][ T7622] v9fs_mount+0x72/0x7f0 [ 54.800787][ T7622] ? v9fs_write_inode+0x50/0x50 [ 54.800795][ T7622] legacy_get_tree+0x103/0x1f0 [ 54.800805][ T7622] vfs_get_tree+0x8b/0x2d0 [ 54.800811][ T7622] ? capable+0x14/0x20 [ 54.800820][ T7622] do_mount+0x1272/0x1c30 [ 54.810714][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.812565][ T7622] ? lock_downgrade+0x960/0x960 [ 54.819811][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.823874][ T7622] ? copy_mount_string+0x20/0x20 [ 54.823890][ T7622] ? __kasan_check_write+0x14/0x20 [ 54.823897][ T7622] ? _copy_from_user+0xc5/0x110 [ 54.832670][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.835889][ T7622] __x64_sys_mount+0x169/0x1c0 [ 54.835901][ T7622] do_syscall_64+0xd0/0x630 [ 54.835913][ T7622] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 54.842980][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.845820][ T7622] RIP: 0033:0x458da9 [ 54.845828][ T7622] 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 [ 54.845832][ T7622] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 54.845838][ T7622] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 54.845841][ T7622] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 54.845847][ T7622] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 54.855447][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.858097][ T7622] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 54.858101][ T7622] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 54.891329][ T7628] FAULT_INJECTION: forcing a failure. [ 54.891329][ T7628] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 54.931850][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.935455][ T7628] CPU: 0 PID: 7628 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 54.935459][ T7628] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.935463][ T7628] Call Trace: [ 54.935475][ T7628] dump_stack+0x12d/0x187 [ 54.935490][ T7628] should_fail.cold.4+0x5/0x13 [ 54.935498][ T7628] ? kmem_cache_alloc+0x121/0x760 [ 54.935507][ T7628] ? fault_create_debugfs_attr+0x150/0x150 [ 54.942525][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.943851][ T7628] ? vfs_get_tree+0x8b/0x2d0 [ 54.943858][ T7628] ? do_mount+0x1272/0x1c30 [ 54.943863][ T7628] ? __x64_sys_mount+0x169/0x1c0 [ 54.943871][ T7628] ? do_syscall_64+0xd0/0x630 [ 54.943880][ T7628] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 54.943894][ T7628] should_fail_alloc_page+0x50/0x60 [ 54.943903][ T7628] __alloc_pages_nodemask+0x17f/0x880 [ 54.955512][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.956593][ T7628] ? __kasan_check_read+0x11/0x20 [ 54.956603][ T7628] ? mark_lock+0xbf/0x630 [ 54.956613][ T7628] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 54.956617][ T7628] ? __kasan_check_read+0x11/0x20 [ 54.956635][ T7628] cache_grow_begin+0x92/0xc70 [ 54.956640][ T7628] ? __kmalloc+0xc5/0x7a0 [ 54.956648][ T7628] ? trace_hardirqs_off+0x41/0x1a0 [ 54.967827][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.969338][ T7628] __kmalloc+0x6d3/0x7a0 [ 54.969351][ T7628] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 54.969362][ T7628] p9_fcall_init.isra.2+0x55/0x1c0 [ 54.969371][ T7628] p9_client_prepare_req.part.5+0x96/0x670 [ 54.969382][ T7628] p9_client_rpc+0x174/0xe50 [ 54.974952][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.979295][ T7628] ? p9_client_prepare_req.part.5+0x670/0x670 [ 54.979305][ T7628] ? p9_pollwait+0x182/0x210 [ 54.979315][ T7628] ? pipe_poll+0xc8/0x6b0 [ 54.979321][ T7628] ? ksys_dup3+0x2e0/0x2e0 [ 54.979330][ T7628] ? p9_fd_poll+0x19b/0x2a0 [ 54.979338][ T7628] ? p9_conn_create+0x3a5/0x4f0 [ 54.979348][ T7628] ? p9_conn_create+0x4f0/0x4f0 [ 54.979361][ T7628] p9_client_create+0x7fb/0x10f0 [ 54.979375][ T7628] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 54.979382][ T7628] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 54.979390][ T7628] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 54.992294][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.996458][ T7628] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 54.996475][ T7628] ? lockdep_init_map_waits+0x270/0x870 [ 54.996493][ T7628] v9fs_session_init+0x1ed/0x14c0 [ 54.996499][ T7628] ? v9fs_session_init+0x1ed/0x14c0 [ 54.996508][ T7628] ? find_held_lock+0x36/0x1d0 [ 54.996519][ T7628] ? v9fs_show_options+0x6c0/0x6c0 [ 55.021202][ T7619] FAULT_INJECTION: forcing a failure. [ 55.021202][ T7619] name failslab, interval 1, probability 0, space 0, times 0 [ 55.033626][ T7628] ? __kasan_check_read+0x11/0x20 [ 55.033635][ T7628] ? hash_netiface4_uadt+0x750/0x8a0 [ 55.033644][ T7628] ? v9fs_mount+0x55/0x7f0 [ 55.033658][ T7628] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.033665][ T7628] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 55.033669][ T7628] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 55.033681][ T7628] ? kmem_cache_alloc_trace+0x39e/0x780 [ 55.033689][ T7628] ? apparmor_task_alloc+0x2f0/0x2f0 [ 55.033699][ T7628] v9fs_mount+0x72/0x7f0 [ 55.431919][ T7628] ? v9fs_write_inode+0x50/0x50 [ 55.437786][ T7628] legacy_get_tree+0x103/0x1f0 [ 55.442528][ T7628] vfs_get_tree+0x8b/0x2d0 [ 55.446919][ T7628] ? capable+0x14/0x20 [ 55.450962][ T7628] do_mount+0x1272/0x1c30 [ 55.455267][ T7628] ? lock_downgrade+0x960/0x960 [ 55.460090][ T7628] ? copy_mount_string+0x20/0x20 [ 55.465003][ T7628] ? __kasan_check_write+0x14/0x20 [ 55.470083][ T7628] ? _copy_from_user+0xc5/0x110 [ 55.474907][ T7628] __x64_sys_mount+0x169/0x1c0 [ 55.479645][ T7628] do_syscall_64+0xd0/0x630 [ 55.484126][ T7628] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 55.490000][ T7628] RIP: 0033:0x458da9 [ 55.493866][ T7628] 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 [ 55.513457][ T7628] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.521836][ T7628] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 55.529780][ T7628] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 55.537728][ T7628] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 55.545672][ T7628] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 55.553617][ T7628] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 55.561669][ T7619] CPU: 1 PID: 7619 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 55.570241][ T7619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.580282][ T7619] Call Trace: [ 55.583561][ T7619] dump_stack+0x12d/0x187 [ 55.587890][ T7619] should_fail.cold.4+0x5/0x13 [ 55.592647][ T7619] ? fault_create_debugfs_attr+0x150/0x150 [ 55.595524][ T7636] FAULT_INJECTION: forcing a failure. [ 55.595524][ T7636] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 55.598442][ T7619] ? ___might_sleep+0x16b/0x2b0 [ 55.616421][ T7619] __should_failslab+0xba/0xf0 [ 55.621159][ T7619] should_failslab+0x9/0x14 [ 55.625635][ T7619] __kmalloc+0x2eb/0x7a0 [ 55.629853][ T7619] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 55.635108][ T7619] ? kmem_cache_alloc+0x376/0x760 [ 55.640105][ T7619] p9_fcall_init.isra.2+0x55/0x1c0 [ 55.645189][ T7619] p9_client_prepare_req.part.5+0x96/0x670 [ 55.650970][ T7619] p9_client_rpc+0x174/0xe50 [ 55.655537][ T7619] ? p9_client_prepare_req.part.5+0x670/0x670 [ 55.661586][ T7619] ? p9_pollwait+0x182/0x210 [ 55.666148][ T7619] ? pipe_poll+0xc8/0x6b0 [ 55.670448][ T7619] ? ksys_dup3+0x2e0/0x2e0 [ 55.674835][ T7619] ? p9_fd_poll+0x19b/0x2a0 [ 55.679307][ T7619] ? p9_conn_create+0x3a5/0x4f0 [ 55.684139][ T7619] ? p9_conn_create+0x4f0/0x4f0 [ 55.688962][ T7619] p9_client_create+0x7fb/0x10f0 [ 55.693873][ T7619] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 55.699912][ T7619] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.705427][ T7619] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 55.711460][ T7619] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 55.718291][ T7619] ? lockdep_init_map_waits+0x270/0x870 [ 55.723818][ T7619] v9fs_session_init+0x1ed/0x14c0 [ 55.728811][ T7619] ? v9fs_session_init+0x1ed/0x14c0 [ 55.733982][ T7619] ? cache_grow_end+0xab/0x190 [ 55.738712][ T7619] ? lock_downgrade+0x960/0x960 [ 55.743529][ T7619] ? __kasan_check_write+0x14/0x20 [ 55.748619][ T7619] ? v9fs_show_options+0x6c0/0x6c0 [ 55.753708][ T7619] ? __kasan_check_read+0x11/0x20 [ 55.758703][ T7619] ? hash_ipport6_add+0x1cd0/0x2500 [ 55.763870][ T7619] ? v9fs_mount+0x55/0x7f0 [ 55.768257][ T7619] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.773780][ T7619] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 55.779812][ T7619] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 55.785598][ T7619] ? kmem_cache_alloc_trace+0x39e/0x780 [ 55.791117][ T7619] v9fs_mount+0x72/0x7f0 [ 55.795332][ T7619] ? v9fs_write_inode+0x50/0x50 [ 55.800152][ T7619] legacy_get_tree+0x103/0x1f0 [ 55.804885][ T7619] vfs_get_tree+0x8b/0x2d0 [ 55.809274][ T7619] ? capable+0x14/0x20 [ 55.813313][ T7619] do_mount+0x1272/0x1c30 [ 55.817612][ T7619] ? lock_downgrade+0x960/0x960 [ 55.822435][ T7619] ? copy_mount_string+0x20/0x20 [ 55.827349][ T7619] ? __kasan_check_write+0x14/0x20 [ 55.832428][ T7619] ? _copy_from_user+0xc5/0x110 [ 55.837250][ T7619] __x64_sys_mount+0x169/0x1c0 [ 55.841986][ T7619] do_syscall_64+0xd0/0x630 [ 55.846464][ T7619] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 55.852326][ T7619] RIP: 0033:0x458da9 [ 55.856191][ T7619] 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 [ 55.875764][ T7619] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.884157][ T7619] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 55.892100][ T7619] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 55.900041][ T7619] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 55.907981][ T7619] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 55.915930][ T7619] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 55.923888][ T7636] CPU: 0 PID: 7636 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 55.932457][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.942497][ T7636] Call Trace: [ 55.945775][ T7636] dump_stack+0x12d/0x187 [ 55.950100][ T7636] should_fail.cold.4+0x5/0x13 [ 55.954854][ T7636] ? kmem_cache_alloc+0x121/0x760 [ 55.959878][ T7636] ? fault_create_debugfs_attr+0x150/0x150 [ 55.965670][ T7636] ? vfs_get_tree+0x8b/0x2d0 [ 55.970246][ T7636] ? do_mount+0x1272/0x1c30 [ 55.974736][ T7636] ? __x64_sys_mount+0x169/0x1c0 [ 55.979660][ T7636] ? do_syscall_64+0xd0/0x630 [ 55.984328][ T7636] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 55.990386][ T7636] should_fail_alloc_page+0x50/0x60 [ 55.995571][ T7636] __alloc_pages_nodemask+0x17f/0x880 [ 56.000931][ T7636] ? __kasan_check_read+0x11/0x20 [ 56.005949][ T7636] ? mark_lock+0xbf/0x630 [ 56.010267][ T7636] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 56.017192][ T7636] ? __kasan_check_read+0x11/0x20 [ 56.022217][ T7636] cache_grow_begin+0x92/0xc70 [ 56.026967][ T7636] ? __kmalloc+0xc5/0x7a0 [ 56.031283][ T7636] ? trace_hardirqs_off+0x41/0x1a0 [ 56.036383][ T7636] __kmalloc+0x6d3/0x7a0 [ 56.040620][ T7636] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 56.045897][ T7636] p9_fcall_init.isra.2+0x55/0x1c0 [ 56.050998][ T7636] p9_client_prepare_req.part.5+0x96/0x670 [ 56.056799][ T7636] p9_client_rpc+0x174/0xe50 [ 56.061378][ T7636] ? p9_client_prepare_req.part.5+0x670/0x670 [ 56.067438][ T7636] ? p9_pollwait+0x182/0x210 [ 56.072019][ T7636] ? pipe_poll+0xc8/0x6b0 [ 56.076341][ T7636] ? ksys_dup3+0x2e0/0x2e0 [ 56.078254][ T7648] FAULT_INJECTION: forcing a failure. [ 56.078254][ T7648] name failslab, interval 1, probability 0, space 0, times 0 [ 56.080743][ T7636] ? p9_fd_poll+0x19b/0x2a0 [ 56.080752][ T7636] ? p9_conn_create+0x3a5/0x4f0 [ 56.080762][ T7636] ? p9_conn_create+0x4f0/0x4f0 [ 56.080777][ T7636] p9_client_create+0x7fb/0x10f0 [ 56.112392][ T7636] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 56.118435][ T7636] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.123962][ T7636] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.130008][ T7636] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.135795][ T7636] ? lockdep_init_map_waits+0x270/0x870 [ 56.141317][ T7636] v9fs_session_init+0x1ed/0x14c0 [ 56.146311][ T7636] ? v9fs_session_init+0x1ed/0x14c0 [ 56.151490][ T7636] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.156926][ T7636] ? v9fs_show_options+0x6c0/0x6c0 [ 56.162007][ T7636] ? trace_hardirqs_on_caller+0x28/0x1a0 [ 56.167627][ T7636] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 56.173059][ T7636] ? preempt_schedule_irq+0xc8/0x120 [ 56.178316][ T7636] ? retint_kernel+0x2b/0x2b [ 56.182887][ T7636] v9fs_mount+0x72/0x7f0 [ 56.187101][ T7636] ? v9fs_write_inode+0x50/0x50 [ 56.191924][ T7636] legacy_get_tree+0x103/0x1f0 [ 56.196669][ T7636] vfs_get_tree+0x8b/0x2d0 [ 56.201077][ T7636] ? capable+0x14/0x20 [ 56.205124][ T7636] do_mount+0x1272/0x1c30 [ 56.209430][ T7636] ? lock_downgrade+0x960/0x960 [ 56.214254][ T7636] ? copy_mount_string+0x20/0x20 [ 56.219167][ T7636] ? __kasan_check_write+0x14/0x20 [ 56.224250][ T7636] ? _copy_from_user+0xc5/0x110 [ 56.229074][ T7636] __x64_sys_mount+0x169/0x1c0 [ 56.233835][ T7636] do_syscall_64+0xd0/0x630 [ 56.238327][ T7636] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.244190][ T7636] RIP: 0033:0x458da9 [ 56.248062][ 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 [ 56.267635][ T7636] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.276020][ T7636] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 56.284053][ T7636] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 56.292013][ T7636] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 56.299958][ T7636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 56.307901][ T7636] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 56.315931][ T7648] CPU: 1 PID: 7648 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 56.324502][ T7648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.334547][ T7648] Call Trace: [ 56.337837][ T7648] dump_stack+0x12d/0x187 [ 56.342151][ T7648] should_fail.cold.4+0x5/0x13 [ 56.346904][ T7648] ? fault_create_debugfs_attr+0x150/0x150 [ 56.352700][ T7648] ? ___might_sleep+0x16b/0x2b0 [ 56.357544][ T7648] __should_failslab+0xba/0xf0 [ 56.362293][ T7648] should_failslab+0x9/0x14 [ 56.366783][ T7648] __kmalloc+0x2eb/0x7a0 [ 56.371020][ T7648] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 56.376303][ T7648] p9_fcall_init.isra.2+0x55/0x1c0 [ 56.381403][ T7648] p9_client_prepare_req.part.5+0x116/0x670 [ 56.387376][ T7648] p9_client_rpc+0x174/0xe50 [ 56.391972][ T7648] ? p9_client_prepare_req.part.5+0x670/0x670 [ 56.398049][ T7648] ? p9_pollwait+0x182/0x210 [ 56.402631][ T7648] ? pipe_poll+0xc8/0x6b0 [ 56.406955][ T7648] ? ksys_dup3+0x2e0/0x2e0 [ 56.411364][ T7648] ? p9_fd_poll+0x19b/0x2a0 [ 56.415847][ T7648] ? p9_conn_create+0x3a5/0x4f0 [ 56.420684][ T7648] ? p9_conn_create+0x4f0/0x4f0 [ 56.425526][ T7648] p9_client_create+0x7fb/0x10f0 [ 56.430447][ T7648] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 56.436484][ T7648] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.442008][ T7648] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.448053][ T7648] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.453831][ T7648] ? lockdep_init_map_waits+0x270/0x870 [ 56.459361][ T7648] v9fs_session_init+0x1ed/0x14c0 [ 56.464360][ T7648] ? v9fs_session_init+0x1ed/0x14c0 [ 56.469528][ T7648] ? find_held_lock+0x36/0x1d0 [ 56.474261][ T7648] ? v9fs_show_options+0x6c0/0x6c0 [ 56.479350][ T7648] ? __kasan_check_read+0x11/0x20 [ 56.484364][ T7648] ? v9fs_mount+0x55/0x7f0 [ 56.488771][ T7648] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.494284][ T7648] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.500321][ T7648] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.506105][ T7648] ? kmem_cache_alloc_trace+0x39e/0x780 [ 56.511619][ T7648] ? apparmor_task_alloc+0x2f0/0x2f0 [ 56.516875][ T7648] v9fs_mount+0x72/0x7f0 [ 56.521098][ T7648] ? v9fs_write_inode+0x50/0x50 [ 56.525946][ T7648] legacy_get_tree+0x103/0x1f0 [ 56.530679][ T7648] vfs_get_tree+0x8b/0x2d0 [ 56.535077][ T7648] ? capable+0x14/0x20 [ 56.539131][ T7648] do_mount+0x1272/0x1c30 [ 56.543443][ T7648] ? lock_downgrade+0x960/0x960 [ 56.548263][ T7648] ? copy_mount_string+0x20/0x20 [ 56.553171][ T7648] ? __kasan_check_write+0x14/0x20 [ 56.558253][ T7648] ? _copy_from_user+0xc5/0x110 [ 56.563078][ T7648] __x64_sys_mount+0x169/0x1c0 [ 56.567824][ T7648] do_syscall_64+0xd0/0x630 [ 56.572339][ T7648] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.578209][ T7648] RIP: 0033:0x458da9 [ 56.582087][ T7648] 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 [ 56.601682][ T7648] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.610081][ T7648] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 56.618043][ T7648] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 56.626013][ T7648] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 56.633953][ T7648] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 56.641897][ T7648] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 56.721336][ T7665] FAULT_INJECTION: forcing a failure. [ 56.721336][ T7665] name failslab, interval 1, probability 0, space 0, times 0 [ 56.734235][ T7667] FAULT_INJECTION: forcing a failure. [ 56.734235][ T7667] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 56.738125][ T7666] FAULT_INJECTION: forcing a failure. [ 56.738125][ T7666] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 56.747416][ T7667] CPU: 0 PID: 7667 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 56.769133][ T7667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.779248][ T7667] Call Trace: [ 56.782511][ T7667] dump_stack+0x12d/0x187 [ 56.786816][ T7667] should_fail.cold.4+0x5/0x13 [ 56.791550][ T7667] ? kmem_cache_alloc+0x121/0x760 [ 56.796544][ T7667] ? fault_create_debugfs_attr+0x150/0x150 [ 56.802318][ T7667] ? vfs_get_tree+0x8b/0x2d0 [ 56.806876][ T7667] ? do_mount+0x1272/0x1c30 [ 56.811347][ T7667] ? __x64_sys_mount+0x169/0x1c0 [ 56.816252][ T7667] ? do_syscall_64+0xd0/0x630 [ 56.820900][ T7667] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 56.826940][ T7667] should_fail_alloc_page+0x50/0x60 [ 56.832107][ T7667] __alloc_pages_nodemask+0x17f/0x880 [ 56.837446][ T7667] ? __kasan_check_read+0x11/0x20 [ 56.842442][ T7667] ? mark_lock+0xbf/0x630 [ 56.846743][ T7667] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 56.853644][ T7667] ? __kasan_check_read+0x11/0x20 [ 56.858644][ T7667] cache_grow_begin+0x92/0xc70 [ 56.863375][ T7667] ? __kmalloc+0xc5/0x7a0 [ 56.867673][ T7667] ? trace_hardirqs_off+0x41/0x1a0 [ 56.872754][ T7667] __kmalloc+0x6d3/0x7a0 [ 56.876978][ T7667] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 56.882233][ T7667] p9_fcall_init.isra.2+0x55/0x1c0 [ 56.887319][ T7667] p9_client_prepare_req.part.5+0x96/0x670 [ 56.893095][ T7667] p9_client_rpc+0x174/0xe50 [ 56.897658][ T7667] ? p9_client_prepare_req.part.5+0x670/0x670 [ 56.903693][ T7667] ? p9_pollwait+0x182/0x210 [ 56.908257][ T7667] ? pipe_poll+0xc8/0x6b0 [ 56.912555][ T7667] ? ksys_dup3+0x2e0/0x2e0 [ 56.916941][ T7667] ? p9_fd_poll+0x19b/0x2a0 [ 56.921416][ T7667] ? p9_conn_create+0x3a5/0x4f0 [ 56.926238][ T7667] ? p9_conn_create+0x4f0/0x4f0 [ 56.931063][ T7667] p9_client_create+0x7fb/0x10f0 [ 56.935976][ T7667] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 56.942009][ T7667] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.947532][ T7667] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.953567][ T7667] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.959346][ T7667] ? lockdep_init_map_waits+0x270/0x870 [ 56.964867][ T7667] v9fs_session_init+0x1ed/0x14c0 [ 56.969860][ T7667] ? v9fs_session_init+0x1ed/0x14c0 [ 56.975030][ T7667] ? find_held_lock+0x36/0x1d0 [ 56.979766][ T7667] ? v9fs_show_options+0x6c0/0x6c0 [ 56.984843][ T7667] ? __kasan_check_read+0x11/0x20 [ 56.989842][ T7667] ? v9fs_mount+0x55/0x7f0 [ 56.994227][ T7667] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.999741][ T7667] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.005785][ T7667] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.011562][ T7667] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.017077][ T7667] ? apparmor_task_alloc+0x2f0/0x2f0 [ 57.022342][ T7667] v9fs_mount+0x72/0x7f0 [ 57.026564][ T7667] ? v9fs_write_inode+0x50/0x50 [ 57.031383][ T7667] legacy_get_tree+0x103/0x1f0 [ 57.036139][ T7667] vfs_get_tree+0x8b/0x2d0 [ 57.040525][ T7667] ? capable+0x14/0x20 [ 57.044574][ T7667] do_mount+0x1272/0x1c30 [ 57.048881][ T7667] ? lock_downgrade+0x960/0x960 [ 57.053705][ T7667] ? copy_mount_string+0x20/0x20 [ 57.058619][ T7667] ? __kasan_check_write+0x14/0x20 [ 57.063698][ T7667] ? _copy_from_user+0xc5/0x110 [ 57.068528][ T7667] __x64_sys_mount+0x169/0x1c0 [ 57.073263][ T7667] do_syscall_64+0xd0/0x630 [ 57.077736][ T7667] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.083600][ T7667] RIP: 0033:0x458da9 [ 57.087466][ T7667] 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 [ 57.107041][ T7667] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.115417][ T7667] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 57.123360][ T7667] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 57.131307][ T7667] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 57.139247][ T7667] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 57.147187][ T7667] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 57.155148][ T7666] CPU: 1 PID: 7666 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 57.163720][ T7666] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.173765][ T7666] Call Trace: [ 57.177046][ T7666] dump_stack+0x12d/0x187 [ 57.181371][ T7666] should_fail.cold.4+0x5/0x13 [ 57.186125][ T7666] ? kmem_cache_alloc+0x121/0x760 [ 57.191142][ T7666] ? fault_create_debugfs_attr+0x150/0x150 [ 57.196934][ T7666] ? vfs_get_tree+0x8b/0x2d0 [ 57.201508][ T7666] ? do_mount+0x1272/0x1c30 [ 57.205998][ T7666] ? __x64_sys_mount+0x169/0x1c0 [ 57.210925][ T7666] ? do_syscall_64+0xd0/0x630 [ 57.215591][ T7666] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.221657][ T7666] should_fail_alloc_page+0x50/0x60 [ 57.226843][ T7666] __alloc_pages_nodemask+0x17f/0x880 [ 57.232204][ T7666] ? __kasan_check_read+0x11/0x20 [ 57.237217][ T7666] ? mark_lock+0xbf/0x630 [ 57.241535][ T7666] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 57.248454][ T7666] ? __kasan_check_read+0x11/0x20 [ 57.253482][ T7666] cache_grow_begin+0x92/0xc70 [ 57.258239][ T7666] ? __kmalloc+0xc5/0x7a0 [ 57.261043][ T7681] 9pnet: Insufficient options for proto=fd [ 57.262551][ T7666] ? trace_hardirqs_off+0x41/0x1a0 [ 57.262562][ T7666] __kmalloc+0x6d3/0x7a0 [ 57.262574][ T7666] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 57.262585][ T7666] p9_fcall_init.isra.2+0x55/0x1c0 [ 57.262594][ T7666] p9_client_prepare_req.part.5+0x96/0x670 [ 57.262611][ T7666] p9_client_rpc+0x174/0xe50 [ 57.262622][ T7666] ? p9_client_prepare_req.part.5+0x670/0x670 [ 57.262632][ T7666] ? p9_pollwait+0x182/0x210 [ 57.262644][ T7666] ? pipe_poll+0xc8/0x6b0 [ 57.313326][ T7666] ? ksys_dup3+0x2e0/0x2e0 [ 57.317730][ T7666] ? p9_fd_poll+0x19b/0x2a0 [ 57.322217][ T7666] ? p9_conn_create+0x3a5/0x4f0 [ 57.327048][ T7666] ? p9_conn_create+0x4f0/0x4f0 [ 57.331879][ T7666] p9_client_create+0x7fb/0x10f0 [ 57.336814][ T7666] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 57.342860][ T7666] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.348384][ T7666] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.354433][ T7666] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.360222][ T7666] ? lockdep_init_map_waits+0x270/0x870 [ 57.366353][ T7666] v9fs_session_init+0x1ed/0x14c0 [ 57.371364][ T7666] ? v9fs_session_init+0x1ed/0x14c0 [ 57.376539][ T7666] ? find_held_lock+0x36/0x1d0 [ 57.381301][ T7666] ? v9fs_show_options+0x6c0/0x6c0 [ 57.386409][ T7666] ? __kasan_check_read+0x11/0x20 [ 57.391418][ T7666] ? v9fs_mount+0x55/0x7f0 [ 57.395823][ T7666] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.401373][ T7666] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.407430][ T7666] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.413229][ T7666] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.418763][ T7666] ? apparmor_task_alloc+0x2f0/0x2f0 [ 57.424031][ T7666] v9fs_mount+0x72/0x7f0 [ 57.428258][ T7666] ? v9fs_write_inode+0x50/0x50 [ 57.433089][ T7666] legacy_get_tree+0x103/0x1f0 [ 57.437834][ T7666] vfs_get_tree+0x8b/0x2d0 [ 57.442230][ T7666] ? capable+0x14/0x20 [ 57.446279][ T7666] do_mount+0x1272/0x1c30 [ 57.450579][ T7666] ? lock_downgrade+0x960/0x960 [ 57.455423][ T7666] ? copy_mount_string+0x20/0x20 [ 57.460345][ T7666] ? __kasan_check_write+0x14/0x20 [ 57.465428][ T7666] ? _copy_from_user+0xc5/0x110 [ 57.470256][ T7666] __x64_sys_mount+0x169/0x1c0 [ 57.474996][ T7666] do_syscall_64+0xd0/0x630 [ 57.479484][ T7666] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.485357][ T7666] RIP: 0033:0x458da9 [ 57.489233][ T7666] 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 [ 57.508817][ T7666] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.517207][ T7666] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 57.525165][ T7666] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 57.533124][ T7666] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 57.541084][ T7666] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 57.549040][ T7666] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 57.573433][ T7690] FAULT_INJECTION: forcing a failure. [ 57.573433][ T7690] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 57.586639][ T7690] CPU: 1 PID: 7690 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 57.595203][ T7690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.605249][ T7690] Call Trace: [ 57.608531][ T7690] dump_stack+0x12d/0x187 [ 57.612856][ T7690] should_fail.cold.4+0x5/0x13 [ 57.617607][ T7690] ? kmem_cache_alloc+0x121/0x760 [ 57.622623][ T7690] ? fault_create_debugfs_attr+0x150/0x150 [ 57.628414][ T7690] ? vfs_get_tree+0x8b/0x2d0 [ 57.632988][ T7690] ? do_mount+0x1272/0x1c30 [ 57.637475][ T7690] ? __x64_sys_mount+0x169/0x1c0 [ 57.642400][ T7690] ? do_syscall_64+0xd0/0x630 [ 57.647064][ T7690] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.653125][ T7690] should_fail_alloc_page+0x50/0x60 [ 57.658311][ T7690] __alloc_pages_nodemask+0x17f/0x880 [ 57.663670][ T7690] ? __kasan_check_read+0x11/0x20 [ 57.668672][ T7690] ? mark_lock+0xbf/0x630 [ 57.673021][ T7690] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 57.679962][ T7690] ? __kasan_check_read+0x11/0x20 [ 57.684986][ T7690] cache_grow_begin+0x92/0xc70 [ 57.689740][ T7690] ? __kmalloc+0xc5/0x7a0 [ 57.694052][ T7690] ? trace_hardirqs_off+0x41/0x1a0 [ 57.699146][ T7690] __kmalloc+0x6d3/0x7a0 [ 57.703377][ T7690] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 57.708646][ T7690] p9_fcall_init.isra.2+0x55/0x1c0 [ 57.713745][ T7690] p9_client_prepare_req.part.5+0x96/0x670 [ 57.719541][ T7690] p9_client_rpc+0x174/0xe50 [ 57.732889][ T7690] ? p9_client_prepare_req.part.5+0x670/0x670 [ 57.738942][ T7690] ? p9_pollwait+0x182/0x210 [ 57.743517][ T7690] ? pipe_poll+0xc8/0x6b0 [ 57.747828][ T7690] ? ksys_dup3+0x2e0/0x2e0 [ 57.752232][ T7690] ? p9_fd_poll+0x19b/0x2a0 [ 57.756725][ T7690] ? p9_conn_create+0x3a5/0x4f0 [ 57.761566][ T7690] ? p9_conn_create+0x4f0/0x4f0 [ 57.766410][ T7690] p9_client_create+0x7fb/0x10f0 [ 57.771334][ T7690] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 57.777383][ T7690] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.782915][ T7690] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.788964][ T7690] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.794762][ T7690] ? lockdep_init_map_waits+0x270/0x870 [ 57.800304][ T7690] v9fs_session_init+0x1ed/0x14c0 [ 57.805315][ T7690] ? v9fs_session_init+0x1ed/0x14c0 [ 57.810499][ T7690] ? find_held_lock+0x36/0x1d0 [ 57.815252][ T7690] ? v9fs_show_options+0x6c0/0x6c0 [ 57.820341][ T7690] ? __kasan_check_read+0x11/0x20 [ 57.825343][ T7690] ? v9fs_mount+0x55/0x7f0 [ 57.829735][ T7690] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.835257][ T7690] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.841309][ T7690] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.847109][ T7690] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.852633][ T7690] ? apparmor_task_alloc+0x2f0/0x2f0 [ 57.857903][ T7690] v9fs_mount+0x72/0x7f0 [ 57.862125][ T7690] ? v9fs_write_inode+0x50/0x50 [ 57.866949][ T7690] legacy_get_tree+0x103/0x1f0 [ 57.871696][ T7690] vfs_get_tree+0x8b/0x2d0 [ 57.876093][ T7690] ? capable+0x14/0x20 [ 57.880139][ T7690] do_mount+0x1272/0x1c30 [ 57.884442][ T7690] ? lock_downgrade+0x960/0x960 [ 57.889280][ T7690] ? copy_mount_string+0x20/0x20 [ 57.894202][ T7690] ? __kasan_check_write+0x14/0x20 [ 57.899285][ T7690] ? _copy_from_user+0xc5/0x110 [ 57.904110][ T7690] __x64_sys_mount+0x169/0x1c0 [ 57.908853][ T7690] do_syscall_64+0xd0/0x630 [ 57.913344][ T7690] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 57.919214][ T7690] RIP: 0033:0x458da9 [ 57.923087][ T7690] 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 [ 57.923109][ T7700] FAULT_INJECTION: forcing a failure. [ 57.923109][ T7700] name failslab, interval 1, probability 0, space 0, times 0 [ 57.942663][ T7690] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.942670][ T7690] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 57.942673][ T7690] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 57.942677][ T7690] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 57.942681][ T7690] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 57.942684][ T7690] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 57.951520][ T7703] FAULT_INJECTION: forcing a failure. [ 57.951520][ T7703] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 57.974959][ T7665] CPU: 0 PID: 7665 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 58.025243][ T7665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.035269][ T7665] Call Trace: [ 58.038537][ T7665] dump_stack+0x12d/0x187 [ 58.042839][ T7665] should_fail.cold.4+0x5/0x13 [ 58.047575][ T7665] ? fault_create_debugfs_attr+0x150/0x150 [ 58.053350][ T7665] ? ___might_sleep+0x16b/0x2b0 [ 58.058174][ T7665] __should_failslab+0xba/0xf0 [ 58.062907][ T7665] should_failslab+0x9/0x14 [ 58.067381][ T7665] __kmalloc+0x2eb/0x7a0 [ 58.071598][ T7665] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 58.076854][ T7665] p9_fcall_init.isra.2+0x55/0x1c0 [ 58.081938][ T7665] p9_client_prepare_req.part.5+0x116/0x670 [ 58.087801][ T7665] p9_client_rpc+0x174/0xe50 [ 58.092364][ T7665] ? p9_client_prepare_req.part.5+0x670/0x670 [ 58.098412][ T7665] ? p9_pollwait+0x182/0x210 [ 58.102975][ T7665] ? pipe_poll+0xc8/0x6b0 [ 58.107273][ T7665] ? ksys_dup3+0x2e0/0x2e0 [ 58.111661][ T7665] ? p9_fd_poll+0x19b/0x2a0 [ 58.116134][ T7665] ? p9_conn_create+0x3a5/0x4f0 [ 58.120957][ T7665] ? p9_conn_create+0x4f0/0x4f0 [ 58.125796][ T7665] p9_client_create+0x7fb/0x10f0 [ 58.130707][ T7665] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 58.136751][ T7665] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.142264][ T7665] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.148297][ T7665] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.154086][ T7665] ? lockdep_init_map_waits+0x270/0x870 [ 58.159609][ T7665] v9fs_session_init+0x1ed/0x14c0 [ 58.164601][ T7665] ? v9fs_session_init+0x1ed/0x14c0 [ 58.169785][ T7665] ? find_held_lock+0x36/0x1d0 [ 58.174522][ T7665] ? v9fs_show_options+0x6c0/0x6c0 [ 58.179612][ T7665] ? __kasan_check_read+0x11/0x20 [ 58.184608][ T7665] ? v9fs_mount+0x55/0x7f0 [ 58.188993][ T7665] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.194519][ T7665] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.200552][ T7665] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.206330][ T7665] ? kmem_cache_alloc_trace+0x39e/0x780 [ 58.211853][ T7665] ? apparmor_task_alloc+0x2f0/0x2f0 [ 58.217109][ T7665] v9fs_mount+0x72/0x7f0 [ 58.221322][ T7665] ? v9fs_write_inode+0x50/0x50 [ 58.226149][ T7665] legacy_get_tree+0x103/0x1f0 [ 58.230885][ T7665] vfs_get_tree+0x8b/0x2d0 [ 58.235271][ T7665] ? capable+0x14/0x20 [ 58.239311][ T7665] do_mount+0x1272/0x1c30 [ 58.243608][ T7665] ? lock_downgrade+0x960/0x960 [ 58.248471][ T7665] ? copy_mount_string+0x20/0x20 [ 58.253385][ T7665] ? __kasan_check_write+0x14/0x20 [ 58.258467][ T7665] ? _copy_from_user+0xc5/0x110 [ 58.263290][ T7665] __x64_sys_mount+0x169/0x1c0 [ 58.268037][ T7665] do_syscall_64+0xd0/0x630 [ 58.272514][ T7665] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.278374][ T7665] RIP: 0033:0x458da9 [ 58.282239][ T7665] 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 [ 58.301813][ T7665] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.310192][ T7665] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 58.318133][ T7665] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 58.326073][ T7665] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 58.334016][ T7665] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 58.341959][ T7665] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 58.349916][ T7703] CPU: 1 PID: 7703 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 58.358576][ T7703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.368621][ T7703] Call Trace: [ 58.371900][ T7703] dump_stack+0x12d/0x187 [ 58.376254][ T7703] should_fail.cold.4+0x5/0x13 [ 58.381004][ T7703] ? kmem_cache_alloc+0x121/0x760 [ 58.386018][ T7703] ? fault_create_debugfs_attr+0x150/0x150 [ 58.391984][ T7703] ? vfs_get_tree+0x8b/0x2d0 [ 58.396561][ T7703] ? do_mount+0x1272/0x1c30 [ 58.401049][ T7703] ? __x64_sys_mount+0x169/0x1c0 [ 58.405974][ T7703] ? do_syscall_64+0xd0/0x630 [ 58.410664][ T7703] ? entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.416711][ T7703] should_fail_alloc_page+0x50/0x60 [ 58.421890][ T7703] __alloc_pages_nodemask+0x17f/0x880 [ 58.427242][ T7703] ? __kasan_check_read+0x11/0x20 [ 58.432238][ T7703] ? mark_lock+0xbf/0x630 [ 58.436541][ T7703] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 58.443450][ T7703] ? __kasan_check_read+0x11/0x20 [ 58.448478][ T7703] cache_grow_begin+0x92/0xc70 [ 58.453220][ T7703] ? __kmalloc+0xc5/0x7a0 [ 58.457525][ T7703] ? trace_hardirqs_off+0x41/0x1a0 [ 58.462615][ T7703] __kmalloc+0x6d3/0x7a0 [ 58.466837][ T7703] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 58.472102][ T7703] p9_fcall_init.isra.2+0x55/0x1c0 [ 58.477195][ T7703] p9_client_prepare_req.part.5+0x96/0x670 [ 58.482981][ T7703] p9_client_rpc+0x174/0xe50 [ 58.487547][ T7703] ? p9_client_prepare_req.part.5+0x670/0x670 [ 58.493588][ T7703] ? p9_pollwait+0x182/0x210 [ 58.498157][ T7703] ? pipe_poll+0xc8/0x6b0 [ 58.502491][ T7703] ? ksys_dup3+0x2e0/0x2e0 [ 58.506885][ T7703] ? p9_fd_poll+0x19b/0x2a0 [ 58.511365][ T7703] ? p9_conn_create+0x3a5/0x4f0 [ 58.516194][ T7703] ? p9_conn_create+0x4f0/0x4f0 [ 58.521028][ T7703] p9_client_create+0x7fb/0x10f0 [ 58.525947][ T7703] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 58.531990][ T7703] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.537512][ T7703] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.543558][ T7703] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.549350][ T7703] ? lockdep_init_map_waits+0x270/0x870 [ 58.554885][ T7703] v9fs_session_init+0x1ed/0x14c0 [ 58.559895][ T7703] ? v9fs_session_init+0x1ed/0x14c0 [ 58.565075][ T7703] ? find_held_lock+0x36/0x1d0 [ 58.569828][ T7703] ? v9fs_show_options+0x6c0/0x6c0 [ 58.574919][ T7703] ? __kasan_check_read+0x11/0x20 [ 58.579925][ T7703] ? roccat_open+0x160/0x5a0 [ 58.584494][ T7703] ? v9fs_mount+0x55/0x7f0 [ 58.588886][ T7703] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.595010][ T7703] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.601051][ T7703] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.606849][ T7703] ? kmem_cache_alloc_trace+0x39e/0x780 [ 58.612386][ T7703] ? apparmor_task_alloc+0x2f0/0x2f0 [ 58.617657][ T7703] v9fs_mount+0x72/0x7f0 [ 58.621887][ T7703] ? v9fs_write_inode+0x50/0x50 [ 58.626720][ T7703] legacy_get_tree+0x103/0x1f0 [ 58.631463][ T7703] vfs_get_tree+0x8b/0x2d0 [ 58.635857][ T7703] ? capable+0x14/0x20 [ 58.639908][ T7703] do_mount+0x1272/0x1c30 [ 58.644218][ T7703] ? lock_downgrade+0x960/0x960 [ 58.649045][ T7703] ? copy_mount_string+0x20/0x20 [ 58.653960][ T7703] ? __kasan_check_write+0x14/0x20 [ 58.659044][ T7703] ? _copy_from_user+0xc5/0x110 [ 58.663898][ T7703] __x64_sys_mount+0x169/0x1c0 [ 58.668643][ T7703] do_syscall_64+0xd0/0x630 [ 58.673123][ T7703] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.678990][ T7703] RIP: 0033:0x458da9 [ 58.682864][ T7703] 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 [ 58.702467][ T7703] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.710857][ T7703] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 58.718807][ T7703] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 58.726763][ T7703] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 58.734710][ T7703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 58.742661][ T7703] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 58.750624][ T7700] CPU: 0 PID: 7700 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 58.759226][ T7700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.759317][ T7702] FAULT_INJECTION: forcing a failure. [ 58.759317][ T7702] name failslab, interval 1, probability 0, space 0, times 0 [ 58.769258][ T7700] Call Trace: [ 58.769271][ T7700] dump_stack+0x12d/0x187 [ 58.769283][ T7700] should_fail.cold.4+0x5/0x13 [ 58.769293][ T7700] ? fault_create_debugfs_attr+0x150/0x150 [ 58.800158][ T7700] ? fill_pool+0x2bf/0x820 [ 58.804588][ T7700] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.810114][ T7700] __should_failslab+0xba/0xf0 [ 58.814849][ T7700] should_failslab+0x9/0x14 [ 58.819326][ T7700] kmem_cache_alloc+0x47/0x760 [ 58.824062][ T7700] ? mark_held_locks+0x130/0x130 [ 58.828972][ T7700] fill_pool+0x2bf/0x820 [ 58.833190][ T7700] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 58.839224][ T7700] ? __debug_object_init+0x4fc/0x10f0 [ 58.848297][ T7700] ? lock_downgrade+0x960/0x960 [ 58.853117][ T7700] ? lock_downgrade+0x960/0x960 [ 58.857940][ T7700] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 58.863728][ T7700] ? __debug_object_init+0x4fc/0x10f0 [ 58.869075][ T7700] ? lockdep_hardirqs_on+0x481/0x620 [ 58.874329][ T7700] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 58.880109][ T7700] ? trace_hardirqs_on+0x28/0x1b0 [ 58.885105][ T7700] __debug_object_init+0x83/0x10f0 [ 58.890185][ T7700] ? __kasan_check_read+0x11/0x20 [ 58.895184][ T7700] ? free_object+0x70/0x70 [ 58.899571][ T7700] ? ksys_dup3+0x2e0/0x2e0 [ 58.903959][ T7700] debug_object_init+0x16/0x20 [ 58.908699][ T7700] __init_work+0x1b/0x20 [ 58.912915][ T7700] p9_conn_create+0x218/0x4f0 [ 58.917579][ T7700] p9_fd_create+0x222/0x360 [ 58.922050][ T7700] ? p9_conn_create+0x4f0/0x4f0 [ 58.926870][ T7700] ? p9_client_create+0x676/0x10f0 [ 58.931950][ T7700] p9_client_create+0x6db/0x10f0 [ 58.936865][ T7700] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 58.942900][ T7700] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.948414][ T7700] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.954453][ T7700] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.960234][ T7700] ? lockdep_init_map_waits+0x270/0x870 [ 58.965755][ T7700] v9fs_session_init+0x1ed/0x14c0 [ 58.970767][ T7700] ? v9fs_session_init+0x1ed/0x14c0 [ 58.975936][ T7700] ? find_held_lock+0x36/0x1d0 [ 58.980672][ T7700] ? v9fs_show_options+0x6c0/0x6c0 [ 58.985750][ T7700] ? __kasan_check_read+0x11/0x20 [ 58.990744][ T7700] ? v9fs_mount+0x55/0x7f0 [ 58.995129][ T7700] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.000643][ T7700] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.006677][ T7700] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.012459][ T7700] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.017990][ T7700] ? apparmor_task_alloc+0x2f0/0x2f0 [ 59.023256][ T7700] v9fs_mount+0x72/0x7f0 [ 59.027551][ T7700] ? v9fs_write_inode+0x50/0x50 [ 59.032377][ T7700] legacy_get_tree+0x103/0x1f0 [ 59.037125][ T7700] vfs_get_tree+0x8b/0x2d0 [ 59.041516][ T7700] ? capable+0x14/0x20 [ 59.045559][ T7700] do_mount+0x1272/0x1c30 [ 59.049858][ T7700] ? lock_downgrade+0x960/0x960 [ 59.054681][ T7700] ? copy_mount_string+0x20/0x20 [ 59.059596][ T7700] ? __kasan_check_write+0x14/0x20 [ 59.064679][ T7700] ? _copy_from_user+0xc5/0x110 [ 59.069503][ T7700] __x64_sys_mount+0x169/0x1c0 [ 59.074240][ T7700] do_syscall_64+0xd0/0x630 [ 59.078721][ T7700] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.084580][ T7700] RIP: 0033:0x458da9 [ 59.088446][ T7700] 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 [ 59.108020][ T7700] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.116399][ T7700] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 59.124340][ T7700] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 59.132286][ T7700] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 59.140229][ T7700] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 59.148172][ T7700] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 59.156132][ T7702] CPU: 1 PID: 7702 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 59.164704][ T7702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.174755][ T7702] Call Trace: [ 59.178038][ T7702] dump_stack+0x12d/0x187 2020/04/21 09:24:15 executed programs: 26 [ 59.182363][ T7702] should_fail.cold.4+0x5/0x13 [ 59.187120][ T7702] ? fault_create_debugfs_attr+0x150/0x150 [ 59.192913][ T7702] ? ___might_sleep+0x16b/0x2b0 [ 59.197755][ T7702] __should_failslab+0xba/0xf0 [ 59.202504][ T7702] should_failslab+0x9/0x14 [ 59.206994][ T7702] __kmalloc+0x2eb/0x7a0 [ 59.211223][ T7702] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 59.216496][ T7702] p9_fcall_init.isra.2+0x55/0x1c0 [ 59.221596][ T7702] p9_client_prepare_req.part.5+0x116/0x670 [ 59.227482][ T7702] p9_client_rpc+0x174/0xe50 [ 59.232058][ T7702] ? p9_client_prepare_req.part.5+0x670/0x670 [ 59.238113][ T7702] ? p9_pollwait+0x182/0x210 [ 59.242727][ T7702] ? pipe_poll+0xc8/0x6b0 [ 59.247047][ T7702] ? ksys_dup3+0x2e0/0x2e0 [ 59.251448][ T7702] ? p9_fd_poll+0x19b/0x2a0 [ 59.255934][ T7702] ? p9_conn_create+0x3a5/0x4f0 [ 59.260772][ T7702] ? p9_conn_create+0x4f0/0x4f0 [ 59.265614][ T7702] p9_client_create+0x7fb/0x10f0 [ 59.270552][ T7702] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 59.276610][ T7702] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.282141][ T7702] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.288192][ T7702] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.293991][ T7702] ? lockdep_init_map_waits+0x270/0x870 [ 59.299535][ T7702] v9fs_session_init+0x1ed/0x14c0 [ 59.304545][ T7702] ? v9fs_session_init+0x1ed/0x14c0 [ 59.309736][ T7702] ? find_held_lock+0x36/0x1d0 [ 59.314494][ T7702] ? v9fs_show_options+0x6c0/0x6c0 [ 59.319686][ T7702] ? __kasan_check_read+0x11/0x20 [ 59.324707][ T7702] ? v9fs_mount+0x55/0x7f0 [ 59.329113][ T7702] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.334647][ T7702] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.340697][ T7702] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.346496][ T7702] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.352121][ T7702] ? apparmor_task_alloc+0x2f0/0x2f0 [ 59.357398][ T7702] v9fs_mount+0x72/0x7f0 [ 59.361630][ T7702] ? v9fs_write_inode+0x50/0x50 [ 59.366474][ T7702] legacy_get_tree+0x103/0x1f0 [ 59.371231][ T7702] vfs_get_tree+0x8b/0x2d0 [ 59.371614][ T7720] FAULT_INJECTION: forcing a failure. [ 59.371614][ T7720] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 59.375632][ T7702] ? capable+0x14/0x20 [ 59.392918][ T7702] do_mount+0x1272/0x1c30 [ 59.397218][ T7702] ? lock_downgrade+0x960/0x960 [ 59.402039][ T7702] ? copy_mount_string+0x20/0x20 [ 59.406952][ T7702] ? __kasan_check_write+0x14/0x20 [ 59.412033][ T7702] ? _copy_from_user+0xc5/0x110 [ 59.416981][ T7702] __x64_sys_mount+0x169/0x1c0 [ 59.421738][ T7702] do_syscall_64+0xd0/0x630 [ 59.426217][ T7702] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.432082][ T7702] RIP: 0033:0x458da9 [ 59.435958][ 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 [ 59.455538][ T7702] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.463926][ T7702] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 59.471870][ T7702] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 59.479900][ T7702] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 59.488627][ T7702] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 59.496567][ T7702] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 59.504526][ T7720] CPU: 0 PID: 7720 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 59.513095][ T7720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.523137][ T7720] Call Trace: [ 59.526422][ T7720] dump_stack+0x12d/0x187 [ 59.530751][ T7720] should_fail.cold.4+0x5/0x13 [ 59.535501][ T7720] ? do_mount+0x1272/0x1c30 [ 59.539997][ T7720] ? fault_create_debugfs_attr+0x150/0x150 [ 59.544800][ T7721] FAULT_INJECTION: forcing a failure. [ 59.544800][ T7721] name failslab, interval 1, probability 0, space 0, times 0 [ 59.545785][ T7720] ? find_held_lock+0x36/0x1d0 [ 59.545798][ T7720] should_fail_alloc_page+0x50/0x60 [ 59.568298][ T7720] __alloc_pages_nodemask+0x17f/0x880 [ 59.573643][ T7720] ? cache_grow_end+0xab/0x190 [ 59.578399][ T7720] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 59.585307][ T7720] ? do_raw_spin_lock+0x132/0x2e0 [ 59.590322][ T7720] cache_grow_begin+0x92/0xc70 [ 59.595057][ T7720] ? __kmalloc+0xc5/0x7a0 [ 59.599356][ T7720] ? trace_hardirqs_off+0x41/0x1a0 [ 59.604437][ T7720] __kmalloc+0x6d3/0x7a0 [ 59.608656][ T7720] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 59.613916][ T7720] p9_fcall_init.isra.2+0x55/0x1c0 [ 59.619000][ T7720] p9_client_prepare_req.part.5+0x116/0x670 [ 59.624866][ T7720] p9_client_rpc+0x174/0xe50 [ 59.629429][ T7720] ? p9_client_prepare_req.part.5+0x670/0x670 [ 59.635478][ T7720] ? p9_pollwait+0x182/0x210 [ 59.640048][ T7720] ? pipe_poll+0xc8/0x6b0 [ 59.644367][ T7720] ? ksys_dup3+0x2e0/0x2e0 [ 59.648753][ T7720] ? p9_fd_poll+0x19b/0x2a0 [ 59.653226][ T7720] ? p9_conn_create+0x3a5/0x4f0 [ 59.658049][ T7720] ? p9_conn_create+0x4f0/0x4f0 [ 59.662874][ T7720] p9_client_create+0x7fb/0x10f0 [ 59.667794][ T7720] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 59.673829][ T7720] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.679342][ T7720] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.685377][ T7720] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.691156][ T7720] ? lockdep_init_map_waits+0x270/0x870 [ 59.696677][ T7720] v9fs_session_init+0x1ed/0x14c0 [ 59.701669][ T7720] ? v9fs_session_init+0x1ed/0x14c0 [ 59.706838][ T7720] ? find_held_lock+0x36/0x1d0 [ 59.711574][ T7720] ? v9fs_show_options+0x6c0/0x6c0 [ 59.716654][ T7720] ? __kasan_check_read+0x11/0x20 [ 59.721648][ T7720] ? v9fs_mount+0x55/0x7f0 [ 59.726047][ T7720] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.731561][ T7720] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.737688][ T7720] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.743477][ T7720] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.749001][ T7720] ? apparmor_task_alloc+0x2f0/0x2f0 [ 59.754261][ T7720] v9fs_mount+0x72/0x7f0 [ 59.758475][ T7720] ? v9fs_write_inode+0x50/0x50 [ 59.763299][ T7720] legacy_get_tree+0x103/0x1f0 [ 59.768037][ T7720] vfs_get_tree+0x8b/0x2d0 [ 59.772423][ T7720] ? capable+0x14/0x20 [ 59.776462][ T7720] do_mount+0x1272/0x1c30 [ 59.780760][ T7720] ? lock_downgrade+0x960/0x960 [ 59.785584][ T7720] ? copy_mount_string+0x20/0x20 [ 59.790495][ T7720] ? __kasan_check_write+0x14/0x20 [ 59.795574][ T7720] ? _copy_from_user+0xc5/0x110 [ 59.800398][ T7720] __x64_sys_mount+0x169/0x1c0 [ 59.805136][ T7720] do_syscall_64+0xd0/0x630 [ 59.809613][ T7720] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 59.815477][ T7720] RIP: 0033:0x458da9 [ 59.819355][ T7720] 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 [ 59.838929][ T7720] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.847309][ T7720] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 59.855252][ T7720] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 59.863193][ T7720] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 59.871136][ T7720] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 59.879078][ T7720] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 59.887054][ T7721] CPU: 1 PID: 7721 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 59.895630][ T7721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.905675][ T7721] Call Trace: [ 59.908961][ T7721] dump_stack+0x12d/0x187 [ 59.913289][ T7721] should_fail.cold.4+0x5/0x13 [ 59.918042][ T7721] ? fault_create_debugfs_attr+0x150/0x150 [ 59.923832][ T7721] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 59.930409][ T7721] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.935947][ T7721] __should_failslab+0xba/0xf0 [ 59.940699][ T7721] should_failslab+0x9/0x14 [ 59.945198][ T7721] kmem_cache_alloc+0x47/0x760 [ 59.949951][ T7721] ? __kasan_check_read+0x11/0x20 [ 59.954963][ T7721] ? mark_lock+0xbf/0x630 [ 59.959278][ T7721] ? legacy_get_tree+0x103/0x1f0 [ 59.964210][ T7721] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 59.970619][ T7721] idr_get_free+0x35d/0x880 [ 59.975129][ T7721] idr_alloc_u32+0x13a/0x330 [ 59.979718][ T7721] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 59.985249][ T7721] ? lock_acquire+0x209/0x9e0 [ 59.989916][ T7721] ? __kasan_check_write+0x14/0x20 [ 59.991302][ T7729] FAULT_INJECTION: forcing a failure. [ 59.991302][ T7729] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 59.995033][ T7721] ? do_raw_spin_lock+0x132/0x2e0 [ 60.013180][ T7721] idr_alloc+0x7d/0xc0 [ 60.017237][ T7721] ? idr_alloc_u32+0x330/0x330 [ 60.021977][ T7721] p9_client_prepare_req.part.5+0x571/0x670 [ 60.027859][ T7721] p9_client_rpc+0x174/0xe50 [ 60.032426][ T7721] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.038466][ T7721] ? p9_pollwait+0x182/0x210 [ 60.043051][ T7721] ? pipe_poll+0xc8/0x6b0 [ 60.047352][ T7721] ? ksys_dup3+0x2e0/0x2e0 [ 60.051740][ T7721] ? p9_fd_poll+0x19b/0x2a0 [ 60.056229][ T7721] ? p9_conn_create+0x3a5/0x4f0 [ 60.061055][ T7721] ? p9_conn_create+0x4f0/0x4f0 [ 60.065884][ T7721] p9_client_create+0x7fb/0x10f0 [ 60.070817][ T7721] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.076857][ T7721] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.082545][ T7721] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.088578][ T7721] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.094359][ T7721] ? lockdep_init_map_waits+0x270/0x870 [ 60.099884][ T7721] v9fs_session_init+0x1ed/0x14c0 [ 60.104883][ T7721] ? v9fs_session_init+0x1ed/0x14c0 [ 60.110055][ T7721] ? find_held_lock+0x36/0x1d0 [ 60.114794][ T7721] ? v9fs_show_options+0x6c0/0x6c0 [ 60.119891][ T7721] ? __kasan_check_read+0x11/0x20 [ 60.124898][ T7721] ? v9fs_mount+0x55/0x7f0 [ 60.129284][ T7721] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.134801][ T7721] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.140836][ T7721] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.146614][ T7721] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.152141][ T7721] ? apparmor_task_alloc+0x2f0/0x2f0 [ 60.157398][ T7721] v9fs_mount+0x72/0x7f0 [ 60.161616][ T7721] ? v9fs_write_inode+0x50/0x50 [ 60.166440][ T7721] legacy_get_tree+0x103/0x1f0 [ 60.171181][ T7721] vfs_get_tree+0x8b/0x2d0 [ 60.175567][ T7721] ? capable+0x14/0x20 [ 60.179608][ T7721] do_mount+0x1272/0x1c30 [ 60.183923][ T7721] ? lock_downgrade+0x960/0x960 [ 60.188746][ T7721] ? copy_mount_string+0x20/0x20 [ 60.193677][ T7721] ? __kasan_check_write+0x14/0x20 [ 60.199887][ T7721] ? _copy_from_user+0xc5/0x110 [ 60.204719][ T7721] __x64_sys_mount+0x169/0x1c0 [ 60.209462][ T7721] do_syscall_64+0xd0/0x630 [ 60.213938][ T7721] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.219804][ T7721] RIP: 0033:0x458da9 [ 60.223675][ T7721] 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 [ 60.243869][ T7721] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.252249][ T7721] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 60.260193][ T7721] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 60.268134][ T7721] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 60.276077][ T7721] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 60.284018][ T7721] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 60.291979][ T7729] CPU: 0 PID: 7729 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 60.300565][ T7729] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.310609][ T7729] Call Trace: [ 60.313892][ T7729] dump_stack+0x12d/0x187 [ 60.316501][ T7722] FAULT_INJECTION: forcing a failure. [ 60.316501][ T7722] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 60.318208][ T7729] should_fail.cold.4+0x5/0x13 [ 60.336092][ T7729] ? fault_create_debugfs_attr+0x150/0x150 [ 60.341865][ T7729] ? kernel_text_address+0x79/0xf0 [ 60.346945][ T7729] ? __kernel_text_address+0xd/0x40 [ 60.352115][ T7729] ? unwind_get_return_address+0x61/0xa0 [ 60.357720][ T7729] should_fail_alloc_page+0x50/0x60 [ 60.362892][ T7729] __alloc_pages_nodemask+0x17f/0x880 [ 60.368238][ T7729] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 60.375147][ T7729] ? stack_trace_consume_entry+0x170/0x170 [ 60.380923][ T7729] ? fault_create_debugfs_attr+0x150/0x150 [ 60.386725][ T7729] cache_grow_begin+0x92/0xc70 [ 60.391472][ T7729] ? kmem_cache_alloc+0x9c/0x760 [ 60.396395][ T7729] ? trace_hardirqs_off+0x41/0x1a0 [ 60.401501][ T7729] kmem_cache_alloc+0x691/0x760 [ 60.406331][ T7729] ? __kasan_check_read+0x11/0x20 [ 60.411331][ T7729] ? mark_lock+0xbf/0x630 [ 60.415636][ T7729] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 60.422029][ T7729] idr_get_free+0x35d/0x880 [ 60.426534][ T7729] ? mark_held_locks+0x130/0x130 [ 60.431444][ T7729] idr_alloc_u32+0x13a/0x330 [ 60.436014][ T7729] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 60.441533][ T7729] ? lock_acquire+0x209/0x9e0 [ 60.446183][ T7729] ? __kasan_check_write+0x14/0x20 [ 60.451267][ T7729] ? do_raw_spin_lock+0x132/0x2e0 [ 60.456359][ T7729] idr_alloc+0x7d/0xc0 [ 60.460406][ T7729] ? idr_alloc_u32+0x330/0x330 [ 60.465144][ T7729] p9_client_prepare_req.part.5+0x571/0x670 [ 60.471011][ T7729] p9_client_rpc+0x174/0xe50 [ 60.475575][ T7729] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.481627][ T7729] ? p9_pollwait+0x182/0x210 [ 60.486199][ T7729] ? pipe_poll+0xc8/0x6b0 [ 60.490514][ T7729] ? ksys_dup3+0x2e0/0x2e0 [ 60.494907][ T7729] ? p9_fd_poll+0x19b/0x2a0 [ 60.499389][ T7729] ? p9_conn_create+0x3a5/0x4f0 [ 60.504214][ T7729] ? p9_conn_create+0x4f0/0x4f0 [ 60.509053][ T7729] p9_client_create+0x7fb/0x10f0 [ 60.513982][ T7729] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.520139][ T7729] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.525750][ T7729] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.531804][ T7729] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.537595][ T7729] ? lockdep_init_map_waits+0x270/0x870 [ 60.543122][ T7729] v9fs_session_init+0x1ed/0x14c0 [ 60.548123][ T7729] ? v9fs_session_init+0x1ed/0x14c0 [ 60.553294][ T7729] ? find_held_lock+0x36/0x1d0 [ 60.558051][ T7729] ? v9fs_show_options+0x6c0/0x6c0 [ 60.563136][ T7729] ? __kasan_check_read+0x11/0x20 [ 60.568138][ T7729] ? v9fs_mount+0x55/0x7f0 [ 60.572530][ T7729] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.578071][ T7729] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.584111][ T7729] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.589895][ T7729] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.595512][ T7729] ? apparmor_task_alloc+0x2f0/0x2f0 [ 60.600782][ T7729] v9fs_mount+0x72/0x7f0 [ 60.605436][ T7729] ? v9fs_write_inode+0x50/0x50 [ 60.610269][ T7729] legacy_get_tree+0x103/0x1f0 [ 60.615018][ T7729] vfs_get_tree+0x8b/0x2d0 [ 60.619406][ T7729] ? capable+0x14/0x20 [ 60.623447][ T7729] do_mount+0x1272/0x1c30 [ 60.627832][ T7729] ? lock_downgrade+0x960/0x960 [ 60.632656][ T7729] ? copy_mount_string+0x20/0x20 [ 60.637568][ T7729] ? __kasan_check_write+0x14/0x20 [ 60.642650][ T7729] ? _copy_from_user+0xc5/0x110 [ 60.647474][ T7729] __x64_sys_mount+0x169/0x1c0 [ 60.652228][ T7729] do_syscall_64+0xd0/0x630 [ 60.656704][ T7729] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 60.662573][ T7729] RIP: 0033:0x458da9 [ 60.666441][ T7729] 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 [ 60.686028][ T7729] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.694410][ T7729] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 60.702355][ T7729] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 60.710302][ T7729] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 60.718247][ T7729] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 60.726192][ T7729] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 60.734163][ T7722] CPU: 1 PID: 7722 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 60.742737][ T7722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.752778][ T7722] Call Trace: [ 60.756060][ T7722] dump_stack+0x12d/0x187 [ 60.760495][ T7722] should_fail.cold.4+0x5/0x13 [ 60.765259][ T7722] ? fault_create_debugfs_attr+0x150/0x150 [ 60.771051][ T7722] ? kernel_text_address+0x79/0xf0 [ 60.776156][ T7722] ? __kernel_text_address+0xd/0x40 [ 60.781345][ T7722] ? unwind_get_return_address+0x61/0xa0 [ 60.787012][ T7722] should_fail_alloc_page+0x50/0x60 [ 60.792207][ T7722] __alloc_pages_nodemask+0x17f/0x880 [ 60.797573][ T7722] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 60.804504][ T7722] ? stack_trace_consume_entry+0x170/0x170 [ 60.810306][ T7722] ? fault_create_debugfs_attr+0x150/0x150 [ 60.816110][ T7722] cache_grow_begin+0x92/0xc70 [ 60.820865][ T7722] ? kmem_cache_alloc+0x9c/0x760 [ 60.825791][ T7722] ? trace_hardirqs_off+0x41/0x1a0 [ 60.827226][ T7723] FAULT_INJECTION: forcing a failure. [ 60.827226][ T7723] name failslab, interval 1, probability 0, space 0, times 0 [ 60.830916][ T7722] kmem_cache_alloc+0x691/0x760 [ 60.848278][ T7722] ? __kasan_check_read+0x11/0x20 [ 60.853272][ T7722] ? mark_lock+0xbf/0x630 [ 60.857581][ T7722] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 60.863970][ T7722] idr_get_free+0x35d/0x880 [ 60.868453][ T7722] ? mark_held_locks+0x130/0x130 [ 60.873363][ T7722] idr_alloc_u32+0x13a/0x330 [ 60.877925][ T7722] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 60.883438][ T7722] ? lock_acquire+0x209/0x9e0 [ 60.888087][ T7722] ? __kasan_check_write+0x14/0x20 [ 60.893174][ T7722] ? do_raw_spin_lock+0x132/0x2e0 [ 60.898168][ T7722] idr_alloc+0x7d/0xc0 [ 60.902215][ T7722] ? idr_alloc_u32+0x330/0x330 [ 60.906953][ T7722] p9_client_prepare_req.part.5+0x571/0x670 [ 60.912821][ T7722] p9_client_rpc+0x174/0xe50 [ 60.917386][ T7722] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.923434][ T7722] ? p9_pollwait+0x182/0x210 [ 60.927999][ T7722] ? pipe_poll+0xc8/0x6b0 [ 60.932308][ T7722] ? ksys_dup3+0x2e0/0x2e0 [ 60.936710][ T7722] ? p9_fd_poll+0x19b/0x2a0 [ 60.941184][ T7722] ? p9_conn_create+0x3a5/0x4f0 [ 60.946007][ T7722] ? p9_conn_create+0x4f0/0x4f0 [ 60.950835][ T7722] p9_client_create+0x7fb/0x10f0 [ 60.955748][ T7722] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.961794][ T7722] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.967313][ T7722] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.973348][ T7722] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.979127][ T7722] ? lockdep_init_map_waits+0x270/0x870 [ 60.984649][ T7722] v9fs_session_init+0x1ed/0x14c0 [ 60.989642][ T7722] ? v9fs_session_init+0x1ed/0x14c0 [ 60.994824][ T7722] ? find_held_lock+0x36/0x1d0 [ 61.000255][ T7722] ? v9fs_show_options+0x6c0/0x6c0 [ 61.005334][ T7722] ? __kasan_check_read+0x11/0x20 [ 61.010341][ T7722] ? v9fs_mount+0x55/0x7f0 [ 61.014727][ T7722] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.020239][ T7722] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.026272][ T7722] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.032050][ T7722] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.037565][ T7722] ? apparmor_task_alloc+0x2f0/0x2f0 [ 61.042822][ T7722] v9fs_mount+0x72/0x7f0 [ 61.047042][ T7722] ? v9fs_write_inode+0x50/0x50 [ 61.051862][ T7722] legacy_get_tree+0x103/0x1f0 [ 61.056606][ T7722] vfs_get_tree+0x8b/0x2d0 [ 61.060990][ T7722] ? capable+0x14/0x20 [ 61.065046][ T7722] do_mount+0x1272/0x1c30 [ 61.069342][ T7722] ? lock_downgrade+0x960/0x960 [ 61.074166][ T7722] ? copy_mount_string+0x20/0x20 [ 61.079078][ T7722] ? __kasan_check_write+0x14/0x20 [ 61.084160][ T7722] ? _copy_from_user+0xc5/0x110 [ 61.088993][ T7722] __x64_sys_mount+0x169/0x1c0 [ 61.093741][ T7722] do_syscall_64+0xd0/0x630 [ 61.098233][ T7722] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 61.104101][ T7722] RIP: 0033:0x458da9 [ 61.107973][ 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 [ 61.127563][ T7722] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.135965][ T7722] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 61.143917][ T7722] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 61.151945][ T7722] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 61.159990][ T7722] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 61.167950][ T7722] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 61.175913][ T7723] CPU: 0 PID: 7723 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 61.184492][ T7723] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.194537][ T7723] Call Trace: [ 61.197825][ T7723] dump_stack+0x12d/0x187 [ 61.202154][ T7723] should_fail.cold.4+0x5/0x13 [ 61.206913][ T7723] ? fault_create_debugfs_attr+0x150/0x150 [ 61.212712][ T7723] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 61.212748][ T7737] FAULT_INJECTION: forcing a failure. [ 61.212748][ T7737] name failslab, interval 1, probability 0, space 0, times 0 [ 61.219282][ T7723] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.237360][ T7723] __should_failslab+0xba/0xf0 [ 61.242100][ T7723] should_failslab+0x9/0x14 [ 61.246575][ T7723] kmem_cache_alloc+0x47/0x760 [ 61.251313][ T7723] ? __kasan_check_read+0x11/0x20 [ 61.256318][ T7723] ? mark_lock+0xbf/0x630 [ 61.260618][ T7723] ? legacy_get_tree+0x103/0x1f0 [ 61.265531][ T7723] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 61.271929][ T7723] idr_get_free+0x35d/0x880 [ 61.276430][ T7723] idr_alloc_u32+0x13a/0x330 [ 61.280995][ T7723] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 61.286509][ T7723] ? lock_acquire+0x209/0x9e0 [ 61.291161][ T7723] ? __kasan_check_write+0x14/0x20 [ 61.296241][ T7723] ? do_raw_spin_lock+0x132/0x2e0 [ 61.301240][ T7723] idr_alloc+0x7d/0xc0 [ 61.305291][ T7723] ? idr_alloc_u32+0x330/0x330 [ 61.310028][ T7723] p9_client_prepare_req.part.5+0x571/0x670 [ 61.315893][ T7723] p9_client_rpc+0x174/0xe50 [ 61.320458][ T7723] ? p9_client_prepare_req.part.5+0x670/0x670 [ 61.326494][ T7723] ? p9_pollwait+0x182/0x210 [ 61.331058][ T7723] ? pipe_poll+0xc8/0x6b0 [ 61.335358][ T7723] ? ksys_dup3+0x2e0/0x2e0 [ 61.339746][ T7723] ? p9_fd_poll+0x19b/0x2a0 [ 61.344220][ T7723] ? p9_conn_create+0x3a5/0x4f0 [ 61.349041][ T7723] ? p9_conn_create+0x4f0/0x4f0 [ 61.353868][ T7723] p9_client_create+0x7fb/0x10f0 [ 61.358780][ T7723] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 61.364816][ T7723] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.370332][ T7723] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.376365][ T7723] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.382147][ T7723] ? lockdep_init_map_waits+0x270/0x870 [ 61.387669][ T7723] v9fs_session_init+0x1ed/0x14c0 [ 61.392663][ T7723] ? v9fs_session_init+0x1ed/0x14c0 [ 61.397832][ T7723] ? find_held_lock+0x36/0x1d0 [ 61.402571][ T7723] ? v9fs_show_options+0x6c0/0x6c0 [ 61.407669][ T7723] ? __kasan_check_read+0x11/0x20 [ 61.412676][ T7723] ? v9fs_mount+0x55/0x7f0 [ 61.417064][ T7723] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.422598][ T7723] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.428638][ T7723] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.434438][ T7723] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.439962][ T7723] ? apparmor_task_alloc+0x2f0/0x2f0 [ 61.445225][ T7723] v9fs_mount+0x72/0x7f0 [ 61.449445][ T7723] ? v9fs_write_inode+0x50/0x50 [ 61.454287][ T7723] legacy_get_tree+0x103/0x1f0 [ 61.459025][ T7723] vfs_get_tree+0x8b/0x2d0 [ 61.463412][ T7723] ? capable+0x14/0x20 [ 61.467455][ T7723] do_mount+0x1272/0x1c30 [ 61.471754][ T7723] ? lock_downgrade+0x960/0x960 [ 61.476577][ T7723] ? copy_mount_string+0x20/0x20 [ 61.481490][ T7723] ? __kasan_check_write+0x14/0x20 [ 61.486579][ T7723] ? _copy_from_user+0xc5/0x110 [ 61.491405][ T7723] __x64_sys_mount+0x169/0x1c0 [ 61.496145][ T7723] do_syscall_64+0xd0/0x630 [ 61.500620][ T7723] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 61.507089][ T7723] RIP: 0033:0x458da9 [ 61.510966][ 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 [ 61.530542][ T7723] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.538920][ T7723] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 61.546862][ T7723] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 61.554813][ T7723] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 61.562767][ T7723] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 61.570722][ T7723] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 61.578691][ T7737] CPU: 1 PID: 7737 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 61.587264][ T7737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.597307][ T7737] Call Trace: [ 61.600585][ T7737] dump_stack+0x12d/0x187 [ 61.604909][ T7737] should_fail.cold.4+0x5/0x13 [ 61.609672][ T7737] ? fault_create_debugfs_attr+0x150/0x150 [ 61.615470][ T7737] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 61.622047][ T7737] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.627586][ T7737] __should_failslab+0xba/0xf0 [ 61.632345][ T7737] should_failslab+0x9/0x14 [ 61.636843][ T7737] kmem_cache_alloc+0x47/0x760 [ 61.641597][ T7737] ? __kasan_check_read+0x11/0x20 [ 61.646611][ T7737] ? mark_lock+0xbf/0x630 [ 61.650931][ T7737] ? legacy_get_tree+0x103/0x1f0 [ 61.655863][ T7737] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 61.662272][ T7737] idr_get_free+0x35d/0x880 [ 61.666777][ T7737] idr_alloc_u32+0x13a/0x330 [ 61.671359][ T7737] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 61.676888][ T7737] ? lock_acquire+0x209/0x9e0 [ 61.681556][ T7737] ? __kasan_check_write+0x14/0x20 [ 61.685214][ T7747] FAULT_INJECTION: forcing a failure. [ 61.685214][ T7747] name failslab, interval 1, probability 0, space 0, times 0 [ 61.686654][ T7737] ? do_raw_spin_lock+0x132/0x2e0 [ 61.704218][ T7737] idr_alloc+0x7d/0xc0 [ 61.708262][ T7737] ? idr_alloc_u32+0x330/0x330 [ 61.713004][ T7737] p9_client_prepare_req.part.5+0x571/0x670 [ 61.718959][ T7737] p9_client_rpc+0x174/0xe50 [ 61.723530][ T7737] ? p9_client_prepare_req.part.5+0x670/0x670 [ 61.729567][ T7737] ? p9_pollwait+0x182/0x210 [ 61.734131][ T7737] ? pipe_poll+0xc8/0x6b0 [ 61.738445][ T7737] ? ksys_dup3+0x2e0/0x2e0 [ 61.742833][ T7737] ? p9_fd_poll+0x19b/0x2a0 [ 61.747312][ T7737] ? p9_conn_create+0x3a5/0x4f0 [ 61.752135][ T7737] ? p9_conn_create+0x4f0/0x4f0 [ 61.756961][ T7737] p9_client_create+0x7fb/0x10f0 [ 61.761874][ T7737] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 61.767910][ T7737] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.773437][ T7737] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.779470][ T7737] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.785264][ T7737] ? lockdep_init_map_waits+0x270/0x870 [ 61.790786][ T7737] v9fs_session_init+0x1ed/0x14c0 [ 61.795780][ T7737] ? v9fs_session_init+0x1ed/0x14c0 [ 61.800951][ T7737] ? find_held_lock+0x36/0x1d0 [ 61.805687][ T7737] ? v9fs_show_options+0x6c0/0x6c0 [ 61.810766][ T7737] ? __kasan_check_read+0x11/0x20 [ 61.815774][ T7737] ? v9fs_mount+0x55/0x7f0 [ 61.820164][ T7737] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.825678][ T7737] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.831713][ T7737] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.837492][ T7737] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.843019][ T7737] ? apparmor_task_alloc+0x2f0/0x2f0 [ 61.848281][ T7737] v9fs_mount+0x72/0x7f0 [ 61.852498][ T7737] ? v9fs_write_inode+0x50/0x50 [ 61.857328][ T7737] legacy_get_tree+0x103/0x1f0 [ 61.862067][ T7737] vfs_get_tree+0x8b/0x2d0 [ 61.866455][ T7737] ? capable+0x14/0x20 [ 61.870496][ T7737] do_mount+0x1272/0x1c30 [ 61.874796][ T7737] ? lock_downgrade+0x960/0x960 [ 61.879622][ T7737] ? copy_mount_string+0x20/0x20 [ 61.884543][ T7737] ? __kasan_check_write+0x14/0x20 [ 61.889625][ T7737] ? _copy_from_user+0xc5/0x110 [ 61.894449][ T7737] __x64_sys_mount+0x169/0x1c0 [ 61.899186][ T7737] do_syscall_64+0xd0/0x630 [ 61.903662][ T7737] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 61.909522][ T7737] RIP: 0033:0x458da9 [ 61.913401][ T7737] 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 [ 61.933429][ T7737] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.941809][ T7737] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 61.949751][ T7737] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 61.957693][ T7737] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 61.965636][ T7737] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 61.973589][ T7737] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 61.981555][ T7747] CPU: 0 PID: 7747 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 61.990129][ T7747] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.992172][ T27] audit: type=1804 audit(1587461058.316:2): pid=7747 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/6/file0" dev="sda1" ino=15808 res=1 [ 62.000165][ T7747] Call Trace: [ 62.000178][ T7747] dump_stack+0x12d/0x187 [ 62.000192][ T7747] should_fail.cold.4+0x5/0x13 [ 62.000204][ T7747] ? fault_create_debugfs_attr+0x150/0x150 [ 62.040914][ T7747] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.047489][ T7747] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.053027][ T7747] __should_failslab+0xba/0xf0 [ 62.057777][ T7747] should_failslab+0x9/0x14 [ 62.062264][ T7747] kmem_cache_alloc+0x47/0x760 [ 62.067011][ T7747] ? __kasan_check_read+0x11/0x20 [ 62.072027][ T7747] ? mark_lock+0xbf/0x630 [ 62.076345][ T7747] ? legacy_get_tree+0x103/0x1f0 [ 62.081278][ T7747] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.087688][ T7747] idr_get_free+0x35d/0x880 [ 62.092186][ T7747] idr_alloc_u32+0x13a/0x330 [ 62.096793][ T7747] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 62.100821][ T27] audit: type=1804 audit(1587461058.316:3): pid=7751 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir886178705/syzkaller.IEPhE9/4/file0" dev="sda1" ino=15815 res=1 [ 62.102318][ T7747] ? lock_acquire+0x209/0x9e0 [ 62.102330][ T7747] ? __kasan_check_write+0x14/0x20 [ 62.102337][ T7747] ? do_raw_spin_lock+0x132/0x2e0 [ 62.102348][ T7747] idr_alloc+0x7d/0xc0 [ 62.102355][ T7747] ? idr_alloc_u32+0x330/0x330 [ 62.102369][ T7747] p9_client_prepare_req.part.5+0x571/0x670 [ 62.102382][ T7747] p9_client_rpc+0x174/0xe50 [ 62.126684][ T7751] FAULT_INJECTION: forcing a failure. [ 62.126684][ T7751] name failslab, interval 1, probability 0, space 0, times 0 [ 62.129672][ T7747] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 62.177319][ T7747] ? __debug_object_init+0x4fc/0x10f0 [ 62.182936][ T7747] ? __kasan_check_read+0x11/0x20 [ 62.188049][ T7747] ? p9_client_prepare_req.part.5+0x670/0x670 [ 62.194092][ T7747] ? free_object+0x70/0x70 [ 62.198482][ T7747] ? ksys_dup3+0x2e0/0x2e0 [ 62.202873][ T7747] ? lockdep_init_map_waits+0x270/0x870 [ 62.208386][ T7747] ? __kasan_check_write+0x14/0x20 [ 62.213465][ T7747] ? p9_conn_create+0x3ce/0x4f0 [ 62.218287][ T7747] ? p9_conn_create+0x4f0/0x4f0 [ 62.223113][ T7747] p9_client_create+0x7fb/0x10f0 [ 62.228027][ T7747] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 62.234062][ T7747] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.239668][ T7747] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.245700][ T7747] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.251481][ T7747] ? lockdep_init_map_waits+0x270/0x870 [ 62.257005][ T7747] v9fs_session_init+0x1ed/0x14c0 [ 62.262004][ T7747] ? v9fs_session_init+0x1ed/0x14c0 [ 62.267188][ T7747] ? find_held_lock+0x36/0x1d0 [ 62.271927][ T7747] ? v9fs_show_options+0x6c0/0x6c0 [ 62.277006][ T7747] ? __kasan_check_read+0x11/0x20 [ 62.282003][ T7747] ? get_key_callback+0x6f0/0x7f0 [ 62.287088][ T7747] ? v9fs_mount+0x55/0x7f0 [ 62.291476][ T7747] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.297002][ T7747] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.303037][ T7747] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.308827][ T7747] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.314344][ T7747] ? apparmor_task_alloc+0x2f0/0x2f0 [ 62.319611][ T7747] v9fs_mount+0x72/0x7f0 [ 62.323827][ T7747] ? v9fs_write_inode+0x50/0x50 [ 62.328646][ T7747] legacy_get_tree+0x103/0x1f0 [ 62.333384][ T7747] vfs_get_tree+0x8b/0x2d0 [ 62.337772][ T7747] ? capable+0x14/0x20 [ 62.341829][ T7747] do_mount+0x1272/0x1c30 [ 62.346129][ T7747] ? lock_downgrade+0x960/0x960 [ 62.350953][ T7747] ? copy_mount_string+0x20/0x20 [ 62.355867][ T7747] ? __kasan_check_write+0x14/0x20 [ 62.360950][ T7747] ? _copy_from_user+0xc5/0x110 [ 62.365775][ T7747] __x64_sys_mount+0x169/0x1c0 [ 62.370610][ T7747] do_syscall_64+0xd0/0x630 [ 62.375087][ T7747] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 62.380959][ T7747] RIP: 0033:0x458da9 [ 62.384826][ T7747] 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 [ 62.404423][ T7747] RSP: 002b:00007f95ee5c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.412815][ T7747] RAX: ffffffffffffffda RBX: 00007f95ee5c2c90 RCX: 0000000000458da9 [ 62.420768][ T7747] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.428712][ T7747] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 62.436659][ T7747] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5c36d4 [ 62.444607][ T7747] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.452583][ T7751] CPU: 1 PID: 7751 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 62.461157][ T7751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.471201][ T7751] Call Trace: [ 62.474477][ T7751] dump_stack+0x12d/0x187 [ 62.478816][ T7751] should_fail.cold.4+0x5/0x13 [ 62.483567][ T7751] ? fault_create_debugfs_attr+0x150/0x150 [ 62.489374][ T7751] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.495951][ T7751] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.501488][ T7751] __should_failslab+0xba/0xf0 [ 62.506243][ T7751] should_failslab+0x9/0x14 [ 62.510730][ T7751] kmem_cache_alloc+0x47/0x760 [ 62.515471][ T7751] ? __kasan_check_read+0x11/0x20 [ 62.520476][ T7751] ? mark_lock+0xbf/0x630 [ 62.524791][ T7751] ? legacy_get_tree+0x103/0x1f0 [ 62.529721][ T7751] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.536127][ T7751] idr_get_free+0x35d/0x880 [ 62.540631][ T7751] idr_alloc_u32+0x13a/0x330 [ 62.545217][ T7751] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 62.550748][ T7751] ? lock_acquire+0x209/0x9e0 [ 62.555415][ T7751] ? __kasan_check_write+0x14/0x20 [ 62.560509][ T7751] ? do_raw_spin_lock+0x132/0x2e0 [ 62.565526][ T7751] idr_alloc+0x7d/0xc0 [ 62.569594][ T7751] ? idr_alloc_u32+0x330/0x330 [ 62.574352][ T7751] p9_client_prepare_req.part.5+0x571/0x670 [ 62.580239][ T7751] p9_client_rpc+0x174/0xe50 [ 62.584817][ T7751] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 62.590609][ T7751] ? __debug_object_init+0x4fc/0x10f0 [ 62.595970][ T7751] ? __kasan_check_read+0x11/0x20 [ 62.600986][ T7751] ? p9_client_prepare_req.part.5+0x670/0x670 [ 62.607053][ T7751] ? free_object+0x70/0x70 [ 62.611454][ T7751] ? ksys_dup3+0x2e0/0x2e0 [ 62.615861][ T7751] ? lockdep_init_map_waits+0x270/0x870 [ 62.616026][ T7761] FAULT_INJECTION: forcing a failure. [ 62.616026][ T7761] name failslab, interval 1, probability 0, space 0, times 0 [ 62.621386][ T7751] ? __kasan_check_write+0x14/0x20 [ 62.639016][ T7751] ? p9_conn_create+0x3ce/0x4f0 [ 62.643841][ T7751] ? p9_conn_create+0x4f0/0x4f0 [ 62.648667][ T7751] p9_client_create+0x7fb/0x10f0 [ 62.653582][ T7751] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 62.659619][ T7751] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.665243][ T7751] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.671278][ T7751] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.677061][ T7751] ? lockdep_init_map_waits+0x270/0x870 [ 62.682582][ T7751] v9fs_session_init+0x1ed/0x14c0 [ 62.687586][ T7751] ? v9fs_session_init+0x1ed/0x14c0 [ 62.692756][ T7751] ? find_held_lock+0x36/0x1d0 [ 62.697494][ T7751] ? v9fs_show_options+0x6c0/0x6c0 [ 62.702572][ T7751] ? __kasan_check_read+0x11/0x20 [ 62.707581][ T7751] ? ip_vs_find_real_service+0x490/0x5c0 [ 62.713203][ T7751] ? v9fs_mount+0x55/0x7f0 [ 62.717590][ T7751] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.723104][ T7751] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.729137][ T7751] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.734916][ T7751] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.740437][ T7751] ? apparmor_task_alloc+0x2f0/0x2f0 [ 62.745694][ T7751] v9fs_mount+0x72/0x7f0 [ 62.749907][ T7751] ? v9fs_write_inode+0x50/0x50 [ 62.754727][ T7751] legacy_get_tree+0x103/0x1f0 [ 62.759475][ T7751] vfs_get_tree+0x8b/0x2d0 [ 62.763861][ T7751] ? capable+0x14/0x20 [ 62.767901][ T7751] do_mount+0x1272/0x1c30 [ 62.772199][ T7751] ? lock_downgrade+0x960/0x960 [ 62.777020][ T7751] ? copy_mount_string+0x20/0x20 [ 62.781932][ T7751] ? __kasan_check_write+0x14/0x20 [ 62.787012][ T7751] ? _copy_from_user+0xc5/0x110 [ 62.791842][ T7751] __x64_sys_mount+0x169/0x1c0 [ 62.796666][ T7751] do_syscall_64+0xd0/0x630 [ 62.801139][ T7751] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 62.807000][ T7751] RIP: 0033:0x458da9 [ 62.810867][ T7751] 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 [ 62.830439][ T7751] RSP: 002b:00007f41f95eec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.838816][ T7751] RAX: ffffffffffffffda RBX: 00007f41f95eec90 RCX: 0000000000458da9 [ 62.846769][ T7751] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.854711][ T7751] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 62.862652][ T7751] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f95ef6d4 [ 62.870595][ T7751] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.878553][ T7761] CPU: 0 PID: 7761 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 62.887120][ T7761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.897163][ T7761] Call Trace: [ 62.900442][ T7761] dump_stack+0x12d/0x187 [ 62.904770][ T7761] should_fail.cold.4+0x5/0x13 [ 62.909528][ T7761] ? fault_create_debugfs_attr+0x150/0x150 [ 62.915329][ T7761] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.921892][ T7761] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.927424][ T7761] __should_failslab+0xba/0xf0 [ 62.932175][ T7761] should_failslab+0x9/0x14 [ 62.936664][ T7761] kmem_cache_alloc+0x47/0x760 [ 62.941410][ T7761] ? __kasan_check_read+0x11/0x20 [ 62.946426][ T7761] ? mark_lock+0xbf/0x630 [ 62.947266][ T27] audit: type=1804 audit(1587461059.246:4): pid=7765 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir986738189/syzkaller.iMDzi6/4/file0" dev="sda1" ino=15816 res=1 [ 62.950748][ T7761] ? legacy_get_tree+0x103/0x1f0 [ 62.950761][ T7761] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.950772][ T7761] idr_get_free+0x35d/0x880 [ 62.950789][ T7761] idr_alloc_u32+0x13a/0x330 [ 62.974256][ T7765] FAULT_INJECTION: forcing a failure. [ 62.974256][ T7765] name failslab, interval 1, probability 0, space 0, times 0 [ 62.978312][ T7761] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 63.011768][ T7761] ? lock_acquire+0x209/0x9e0 [ 63.016439][ T7761] ? __kasan_check_write+0x14/0x20 [ 63.021524][ T7761] ? do_raw_spin_lock+0x132/0x2e0 [ 63.026520][ T7761] idr_alloc+0x7d/0xc0 [ 63.030560][ T7761] ? idr_alloc_u32+0x330/0x330 [ 63.035300][ T7761] p9_client_prepare_req.part.5+0x571/0x670 [ 63.041166][ T7761] p9_client_rpc+0x174/0xe50 [ 63.045729][ T7761] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.051764][ T7761] ? p9_pollwait+0x182/0x210 [ 63.056325][ T7761] ? pipe_poll+0xc8/0x6b0 [ 63.061144][ T7761] ? ksys_dup3+0x2e0/0x2e0 [ 63.065529][ T7761] ? p9_fd_poll+0x19b/0x2a0 [ 63.070006][ T7761] ? p9_conn_create+0x3a5/0x4f0 [ 63.074830][ T7761] ? p9_conn_create+0x4f0/0x4f0 [ 63.079654][ T7761] p9_client_create+0x7fb/0x10f0 [ 63.084567][ T7761] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.090610][ T7761] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.096130][ T7761] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.102168][ T7761] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.107949][ T7761] ? lockdep_init_map_waits+0x270/0x870 [ 63.113488][ T7761] v9fs_session_init+0x1ed/0x14c0 [ 63.118480][ T7761] ? v9fs_session_init+0x1ed/0x14c0 [ 63.123659][ T7761] ? find_held_lock+0x36/0x1d0 [ 63.128413][ T7761] ? v9fs_show_options+0x6c0/0x6c0 [ 63.133492][ T7761] ? __kasan_check_read+0x11/0x20 [ 63.138486][ T7761] ? nft_xfrm_get_eval+0x340/0x540 [ 63.143579][ T7761] ? v9fs_mount+0x55/0x7f0 [ 63.147967][ T7761] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.153480][ T7761] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.159514][ T7761] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.165294][ T7761] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.170812][ T7761] ? apparmor_task_alloc+0x2f0/0x2f0 [ 63.176075][ T7761] v9fs_mount+0x72/0x7f0 [ 63.180290][ T7761] ? v9fs_write_inode+0x50/0x50 [ 63.185111][ T7761] legacy_get_tree+0x103/0x1f0 [ 63.189848][ T7761] vfs_get_tree+0x8b/0x2d0 [ 63.194234][ T7761] ? capable+0x14/0x20 [ 63.198273][ T7761] do_mount+0x1272/0x1c30 [ 63.202575][ T7761] ? lock_downgrade+0x960/0x960 [ 63.207410][ T7761] ? copy_mount_string+0x20/0x20 [ 63.212323][ T7761] ? __kasan_check_write+0x14/0x20 [ 63.217401][ T7761] ? _copy_from_user+0xc5/0x110 [ 63.222224][ T7761] __x64_sys_mount+0x169/0x1c0 [ 63.226962][ T7761] do_syscall_64+0xd0/0x630 [ 63.231441][ T7761] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.237315][ T7761] RIP: 0033:0x458da9 [ 63.241192][ T7761] 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 [ 63.260763][ T7761] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.269143][ T7761] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 63.277088][ T7761] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 63.285030][ T7761] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 63.293581][ T7761] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 63.301523][ T7761] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 63.309484][ T7765] CPU: 1 PID: 7765 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 63.318052][ T7765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.328093][ T7765] Call Trace: [ 63.331375][ T7765] dump_stack+0x12d/0x187 [ 63.335700][ T7765] should_fail.cold.4+0x5/0x13 [ 63.340453][ T7765] ? fault_create_debugfs_attr+0x150/0x150 [ 63.346249][ T7765] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 63.352829][ T7765] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.358372][ T7765] __should_failslab+0xba/0xf0 [ 63.363129][ T7765] should_failslab+0x9/0x14 [ 63.367625][ T7765] kmem_cache_alloc+0x47/0x760 [ 63.372378][ T7765] ? __kasan_check_read+0x11/0x20 [ 63.377391][ T7765] ? mark_lock+0xbf/0x630 [ 63.381706][ T7765] ? legacy_get_tree+0x103/0x1f0 [ 63.386635][ T7765] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 63.393041][ T7765] idr_get_free+0x35d/0x880 [ 63.394050][ T7763] FAULT_INJECTION: forcing a failure. [ 63.394050][ T7763] name failslab, interval 1, probability 0, space 0, times 0 [ 63.397538][ T7765] idr_alloc_u32+0x13a/0x330 [ 63.414760][ T7765] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 63.420289][ T7765] ? lock_acquire+0x209/0x9e0 [ 63.424957][ T7765] ? __kasan_check_write+0x14/0x20 [ 63.430045][ T7765] ? do_raw_spin_lock+0x132/0x2e0 [ 63.435046][ T7765] idr_alloc+0x7d/0xc0 [ 63.439103][ T7765] ? idr_alloc_u32+0x330/0x330 [ 63.443936][ T7765] p9_client_prepare_req.part.5+0x571/0x670 [ 63.449807][ T7765] p9_client_rpc+0x174/0xe50 [ 63.454373][ T7765] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 63.460150][ T7765] ? __debug_object_init+0x4fc/0x10f0 [ 63.465492][ T7765] ? __kasan_check_read+0x11/0x20 [ 63.470486][ T7765] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.476536][ T7765] ? free_object+0x70/0x70 [ 63.480927][ T7765] ? ksys_dup3+0x2e0/0x2e0 [ 63.485314][ T7765] ? lockdep_init_map_waits+0x270/0x870 [ 63.490929][ T7765] ? __kasan_check_write+0x14/0x20 [ 63.496009][ T7765] ? p9_conn_create+0x3ce/0x4f0 [ 63.500830][ T7765] ? p9_conn_create+0x4f0/0x4f0 [ 63.505655][ T7765] p9_client_create+0x7fb/0x10f0 [ 63.510575][ T7765] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.516608][ T7765] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.522122][ T7765] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.528156][ T7765] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.533934][ T7765] ? lockdep_init_map_waits+0x270/0x870 [ 63.539454][ T7765] v9fs_session_init+0x1ed/0x14c0 [ 63.544448][ T7765] ? v9fs_session_init+0x1ed/0x14c0 [ 63.549636][ T7765] ? find_held_lock+0x36/0x1d0 [ 63.554377][ T7765] ? v9fs_show_options+0x6c0/0x6c0 [ 63.559457][ T7765] ? __kasan_check_read+0x11/0x20 [ 63.564451][ T7765] ? etf_dequeue_timesortedlist+0x3c0/0x510 [ 63.570324][ T7765] ? v9fs_mount+0x55/0x7f0 [ 63.574710][ T7765] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.580247][ T7765] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.586298][ T7765] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.592083][ T7765] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.597607][ T7765] ? apparmor_task_alloc+0x2f0/0x2f0 [ 63.602880][ T7765] v9fs_mount+0x72/0x7f0 [ 63.607103][ T7765] ? v9fs_write_inode+0x50/0x50 [ 63.611931][ T7765] legacy_get_tree+0x103/0x1f0 [ 63.616672][ T7765] vfs_get_tree+0x8b/0x2d0 [ 63.621060][ T7765] ? capable+0x14/0x20 [ 63.625104][ T7765] do_mount+0x1272/0x1c30 [ 63.629431][ T7765] ? lock_downgrade+0x960/0x960 [ 63.634255][ T7765] ? copy_mount_string+0x20/0x20 [ 63.639169][ T7765] ? __kasan_check_write+0x14/0x20 [ 63.644253][ T7765] ? _copy_from_user+0xc5/0x110 [ 63.649079][ T7765] __x64_sys_mount+0x169/0x1c0 [ 63.653817][ T7765] do_syscall_64+0xd0/0x630 [ 63.658296][ T7765] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 63.664167][ T7765] RIP: 0033:0x458da9 [ 63.668036][ T7765] 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 [ 63.687695][ T7765] RSP: 002b:00007f5bc41e0c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.696078][ T7765] RAX: ffffffffffffffda RBX: 00007f5bc41e0c90 RCX: 0000000000458da9 [ 63.704027][ T7765] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 63.711971][ T7765] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 63.719917][ T7765] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc41e16d4 [ 63.727858][ T7765] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 63.735820][ T7763] CPU: 0 PID: 7763 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 63.744396][ T7763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.754446][ T7763] Call Trace: [ 63.757751][ T7763] dump_stack+0x12d/0x187 [ 63.762073][ T7763] should_fail.cold.4+0x5/0x13 [ 63.766862][ T7763] ? fault_create_debugfs_attr+0x150/0x150 [ 63.772639][ T7763] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 63.779233][ T7763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.784761][ T7763] __should_failslab+0xba/0xf0 [ 63.789539][ T7763] should_failslab+0x9/0x14 [ 63.794059][ T7763] kmem_cache_alloc+0x47/0x760 [ 63.798787][ T7763] ? __kasan_check_read+0x11/0x20 [ 63.803777][ T7763] ? mark_lock+0xbf/0x630 [ 63.808071][ T7763] ? legacy_get_tree+0x103/0x1f0 [ 63.812981][ T7763] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 63.819407][ T7763] idr_get_free+0x35d/0x880 [ 63.823886][ T7763] idr_alloc_u32+0x13a/0x330 [ 63.828446][ T7763] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 63.833956][ T7763] ? lock_acquire+0x209/0x9e0 [ 63.838599][ T7763] ? __kasan_check_write+0x14/0x20 [ 63.843676][ T7763] ? do_raw_spin_lock+0x132/0x2e0 [ 63.848679][ T7763] idr_alloc+0x7d/0xc0 [ 63.852724][ T7763] ? idr_alloc_u32+0x330/0x330 [ 63.857473][ T7763] p9_client_prepare_req.part.5+0x571/0x670 [ 63.863343][ T7763] p9_client_rpc+0x174/0xe50 [ 63.867916][ T7763] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.873949][ T7763] ? p9_pollwait+0x182/0x210 [ 63.878519][ T7763] ? pipe_poll+0xc8/0x6b0 [ 63.882822][ T7763] ? ksys_dup3+0x2e0/0x2e0 [ 63.887215][ T7763] ? p9_fd_poll+0x19b/0x2a0 [ 63.891693][ T7763] ? p9_conn_create+0x3a5/0x4f0 [ 63.896510][ T7763] ? p9_conn_create+0x4f0/0x4f0 [ 63.901329][ T7763] p9_client_create+0x7fb/0x10f0 [ 63.906241][ T7763] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.912272][ T7763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.917791][ T7763] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.923820][ T7763] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.929596][ T7763] ? lockdep_init_map_waits+0x270/0x870 [ 63.935121][ T7763] v9fs_session_init+0x1ed/0x14c0 [ 63.940113][ T7763] ? v9fs_session_init+0x1ed/0x14c0 [ 63.945276][ T7763] ? find_held_lock+0x36/0x1d0 [ 63.950009][ T7763] ? v9fs_show_options+0x6c0/0x6c0 [ 63.955083][ T7763] ? __kasan_check_read+0x11/0x20 [ 63.960075][ T7763] ? v9fs_mount+0x55/0x7f0 [ 63.964456][ T7763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.969965][ T7763] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.976001][ T7763] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.981774][ T7763] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.987296][ T7763] ? apparmor_task_alloc+0x2f0/0x2f0 [ 63.992556][ T7763] v9fs_mount+0x72/0x7f0 [ 63.996772][ T7763] ? v9fs_write_inode+0x50/0x50 [ 64.001586][ T7763] legacy_get_tree+0x103/0x1f0 [ 64.006315][ T7763] vfs_get_tree+0x8b/0x2d0 [ 64.010703][ T7763] ? capable+0x14/0x20 [ 64.014745][ T7763] do_mount+0x1272/0x1c30 [ 64.019038][ T7763] ? lock_downgrade+0x960/0x960 [ 64.023865][ T7763] ? copy_mount_string+0x20/0x20 [ 64.028782][ T7763] ? __kasan_check_write+0x14/0x20 [ 64.033860][ T7763] ? _copy_from_user+0xc5/0x110 [ 64.038687][ T7763] __x64_sys_mount+0x169/0x1c0 [ 64.043418][ T7763] do_syscall_64+0xd0/0x630 [ 64.047912][ T7763] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 64.053767][ T7763] RIP: 0033:0x458da9 [ 64.057628][ T7763] 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 [ 64.077201][ T7763] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.085580][ T7763] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 64.093516][ T7763] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 64.101465][ T7763] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 64.109412][ T7763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 64.117361][ T7763] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 64.167777][ T7774] FAULT_INJECTION: forcing a failure. [ 64.167777][ T7774] name failslab, interval 1, probability 0, space 0, times 0 [ 64.180371][ T7774] CPU: 0 PID: 7774 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 64.183393][ T7778] FAULT_INJECTION: forcing a failure. [ 64.183393][ T7778] name failslab, interval 1, probability 0, space 0, times 0 [ 64.188939][ T7774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.211514][ T7774] Call Trace: [ 64.214779][ T7774] dump_stack+0x12d/0x187 [ 64.219097][ T7774] should_fail.cold.4+0x5/0x13 [ 64.223833][ T7774] ? fault_create_debugfs_attr+0x150/0x150 [ 64.229609][ T7774] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 64.236167][ T7774] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.241693][ T7774] __should_failslab+0xba/0xf0 [ 64.246426][ T7774] should_failslab+0x9/0x14 [ 64.250898][ T7774] kmem_cache_alloc+0x47/0x760 [ 64.255641][ T7774] ? __kasan_check_read+0x11/0x20 [ 64.260635][ T7774] ? mark_lock+0xbf/0x630 [ 64.264932][ T7774] ? legacy_get_tree+0x103/0x1f0 [ 64.269849][ T7774] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 64.276250][ T7774] idr_get_free+0x35d/0x880 [ 64.280732][ T7774] idr_alloc_u32+0x13a/0x330 [ 64.285305][ T7774] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 64.290830][ T7774] ? lock_acquire+0x209/0x9e0 [ 64.295478][ T7774] ? __kasan_check_write+0x14/0x20 [ 64.300557][ T7774] ? do_raw_spin_lock+0x132/0x2e0 [ 64.305554][ T7774] idr_alloc+0x7d/0xc0 [ 64.309591][ T7774] ? idr_alloc_u32+0x330/0x330 [ 64.314330][ T7774] p9_client_prepare_req.part.5+0x571/0x670 [ 64.320195][ T7774] p9_client_rpc+0x174/0xe50 [ 64.324758][ T7774] ? p9_client_prepare_req.part.5+0x670/0x670 [ 64.330794][ T7774] ? p9_pollwait+0x182/0x210 [ 64.335355][ T7774] ? pipe_poll+0xc8/0x6b0 [ 64.339653][ T7774] ? ksys_dup3+0x2e0/0x2e0 [ 64.344049][ T7774] ? p9_fd_poll+0x19b/0x2a0 [ 64.348523][ T7774] ? p9_conn_create+0x3a5/0x4f0 [ 64.353345][ T7774] ? p9_conn_create+0x4f0/0x4f0 [ 64.358183][ T7774] p9_client_create+0x7fb/0x10f0 [ 64.363097][ T7774] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 64.369132][ T7774] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.374646][ T7774] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.380681][ T7774] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.386459][ T7774] ? lockdep_init_map_waits+0x270/0x870 [ 64.391981][ T7774] v9fs_session_init+0x1ed/0x14c0 [ 64.396973][ T7774] ? v9fs_session_init+0x1ed/0x14c0 [ 64.402154][ T7774] ? find_held_lock+0x36/0x1d0 [ 64.406919][ T7774] ? v9fs_show_options+0x6c0/0x6c0 [ 64.412017][ T7774] ? __kasan_check_read+0x11/0x20 [ 64.417019][ T7774] ? nlattr_to_sctp+0x2d0/0x310 [ 64.421847][ T7774] ? v9fs_mount+0x55/0x7f0 [ 64.426240][ T7774] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.431770][ T7774] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.437809][ T7774] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.443589][ T7774] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.449112][ T7774] ? apparmor_task_alloc+0x2f0/0x2f0 [ 64.454376][ T7774] v9fs_mount+0x72/0x7f0 [ 64.458608][ T7774] ? v9fs_write_inode+0x50/0x50 [ 64.463448][ T7774] legacy_get_tree+0x103/0x1f0 [ 64.468186][ T7774] vfs_get_tree+0x8b/0x2d0 [ 64.472588][ T7774] ? capable+0x14/0x20 [ 64.476630][ T7774] do_mount+0x1272/0x1c30 [ 64.480930][ T7774] ? lock_downgrade+0x960/0x960 [ 64.485753][ T7774] ? copy_mount_string+0x20/0x20 [ 64.490680][ T7774] ? __kasan_check_write+0x14/0x20 [ 64.495760][ T7774] ? _copy_from_user+0xc5/0x110 [ 64.500583][ T7774] __x64_sys_mount+0x169/0x1c0 [ 64.505320][ T7774] do_syscall_64+0xd0/0x630 [ 64.509807][ T7774] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 64.515693][ T7774] RIP: 0033:0x458da9 [ 64.519562][ T7774] 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 [ 64.539157][ T7774] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.547542][ T7774] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 64.555493][ T7774] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 64.563435][ T7774] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 64.571382][ T7774] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 64.579323][ T7774] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 64.587300][ T7778] CPU: 1 PID: 7778 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 64.595875][ T7778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.597640][ T7776] FAULT_INJECTION: forcing a failure. [ 64.597640][ T7776] name failslab, interval 1, probability 0, space 0, times 0 [ 64.605961][ T7778] Call Trace: [ 64.621777][ T7778] dump_stack+0x12d/0x187 [ 64.626085][ T7778] should_fail.cold.4+0x5/0x13 [ 64.630824][ T7778] ? fault_create_debugfs_attr+0x150/0x150 [ 64.636600][ T7778] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 64.643157][ T7778] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.648678][ T7778] __should_failslab+0xba/0xf0 [ 64.653498][ T7778] should_failslab+0x9/0x14 [ 64.657972][ T7778] kmem_cache_alloc+0x47/0x760 [ 64.662705][ T7778] ? __kasan_check_read+0x11/0x20 [ 64.667708][ T7778] ? mark_lock+0xbf/0x630 [ 64.672012][ T7778] ? legacy_get_tree+0x103/0x1f0 [ 64.676926][ T7778] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 64.683319][ T7778] idr_get_free+0x35d/0x880 [ 64.687818][ T7778] idr_alloc_u32+0x13a/0x330 [ 64.692383][ T7778] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 64.697902][ T7778] ? lock_acquire+0x209/0x9e0 [ 64.702554][ T7778] ? __kasan_check_write+0x14/0x20 [ 64.707636][ T7778] ? do_raw_spin_lock+0x132/0x2e0 [ 64.712636][ T7778] idr_alloc+0x7d/0xc0 [ 64.716677][ T7778] ? idr_alloc_u32+0x330/0x330 [ 64.721420][ T7778] p9_client_prepare_req.part.5+0x571/0x670 [ 64.727287][ T7778] p9_client_rpc+0x174/0xe50 [ 64.731869][ T7778] ? p9_client_prepare_req.part.5+0x670/0x670 [ 64.737913][ T7778] ? p9_pollwait+0x182/0x210 [ 64.742477][ T7778] ? pipe_poll+0xc8/0x6b0 [ 64.746781][ T7778] ? ksys_dup3+0x2e0/0x2e0 [ 64.751271][ T7778] ? p9_fd_poll+0x19b/0x2a0 [ 64.756529][ T7778] ? p9_conn_create+0x3a5/0x4f0 [ 64.761791][ T7778] ? p9_conn_create+0x4f0/0x4f0 [ 64.766620][ T7778] p9_client_create+0x7fb/0x10f0 [ 64.771536][ T7778] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 64.777576][ T7778] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.783093][ T7778] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.789131][ T7778] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.794917][ T7778] ? lockdep_init_map_waits+0x270/0x870 [ 64.800441][ T7778] v9fs_session_init+0x1ed/0x14c0 [ 64.805439][ T7778] ? v9fs_session_init+0x1ed/0x14c0 [ 64.810609][ T7778] ? find_held_lock+0x36/0x1d0 [ 64.815348][ T7778] ? v9fs_show_options+0x6c0/0x6c0 [ 64.820433][ T7778] ? __kasan_check_read+0x11/0x20 [ 64.825431][ T7778] ? ctnetlink_del_conntrack+0x5e0/0x6fe [ 64.831142][ T7778] ? v9fs_mount+0x55/0x7f0 [ 64.835623][ T7778] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.841139][ T7778] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.847173][ T7778] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.852964][ T7778] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.858484][ T7778] ? apparmor_task_alloc+0x2f0/0x2f0 [ 64.863754][ T7778] v9fs_mount+0x72/0x7f0 [ 64.867972][ T7778] ? v9fs_write_inode+0x50/0x50 [ 64.872796][ T7778] legacy_get_tree+0x103/0x1f0 [ 64.877551][ T7778] vfs_get_tree+0x8b/0x2d0 [ 64.881941][ T7778] ? capable+0x14/0x20 [ 64.886013][ T7778] do_mount+0x1272/0x1c30 [ 64.890321][ T7778] ? lock_downgrade+0x960/0x960 [ 64.895149][ T7778] ? copy_mount_string+0x20/0x20 [ 64.900073][ T7778] ? __kasan_check_write+0x14/0x20 [ 64.905162][ T7778] ? _copy_from_user+0xc5/0x110 [ 64.910000][ T7778] __x64_sys_mount+0x169/0x1c0 [ 64.914759][ T7778] do_syscall_64+0xd0/0x630 [ 64.919244][ T7778] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 64.925122][ T7778] RIP: 0033:0x458da9 [ 64.928997][ T7778] 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 [ 64.948761][ T7778] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.957150][ T7778] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 64.965099][ T7778] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 64.973499][ T7778] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 64.981538][ T7778] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 64.989503][ T7778] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 64.997473][ T7776] CPU: 0 PID: 7776 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 65.006325][ T7776] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.016378][ T7776] Call Trace: [ 65.017201][ T7779] FAULT_INJECTION: forcing a failure. [ 65.017201][ T7779] name failslab, interval 1, probability 0, space 0, times 0 [ 65.019667][ T7776] dump_stack+0x12d/0x187 [ 65.036633][ T7776] should_fail.cold.4+0x5/0x13 [ 65.041388][ T7776] ? fault_create_debugfs_attr+0x150/0x150 [ 65.047171][ T7776] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 65.053924][ T7776] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.059465][ T7776] __should_failslab+0xba/0xf0 [ 65.064838][ T7776] should_failslab+0x9/0x14 [ 65.069315][ T7776] kmem_cache_alloc+0x47/0x760 [ 65.074051][ T7776] ? __kasan_check_read+0x11/0x20 [ 65.079050][ T7776] ? mark_lock+0xbf/0x630 [ 65.083352][ T7776] ? legacy_get_tree+0x103/0x1f0 [ 65.088362][ T7776] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 65.095274][ T7776] idr_get_free+0x35d/0x880 [ 65.099763][ T7776] idr_alloc_u32+0x13a/0x330 [ 65.104331][ T7776] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 65.109845][ T7776] ? lock_acquire+0x209/0x9e0 [ 65.114497][ T7776] ? __kasan_check_write+0x14/0x20 [ 65.120375][ T7776] ? do_raw_spin_lock+0x132/0x2e0 [ 65.125388][ T7776] idr_alloc+0x7d/0xc0 [ 65.129428][ T7776] ? idr_alloc_u32+0x330/0x330 [ 65.134259][ T7776] p9_client_prepare_req.part.5+0x571/0x670 [ 65.140130][ T7776] p9_client_rpc+0x174/0xe50 [ 65.144699][ T7776] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.151023][ T7776] ? p9_pollwait+0x182/0x210 [ 65.155587][ T7776] ? pipe_poll+0xc8/0x6b0 [ 65.159890][ T7776] ? ksys_dup3+0x2e0/0x2e0 [ 65.164281][ T7776] ? p9_fd_poll+0x19b/0x2a0 [ 65.168761][ T7776] ? p9_conn_create+0x3a5/0x4f0 [ 65.173592][ T7776] ? p9_conn_create+0x4f0/0x4f0 [ 65.178421][ T7776] p9_client_create+0x7fb/0x10f0 [ 65.183335][ T7776] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 65.189376][ T7776] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.194895][ T7776] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.200937][ T7776] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.207169][ T7776] ? lockdep_init_map_waits+0x270/0x870 [ 65.212798][ T7776] v9fs_session_init+0x1ed/0x14c0 [ 65.217825][ T7776] ? v9fs_session_init+0x1ed/0x14c0 [ 65.223008][ T7776] ? find_held_lock+0x36/0x1d0 [ 65.227773][ T7776] ? v9fs_show_options+0x6c0/0x6c0 [ 65.232866][ T7776] ? __kasan_check_read+0x11/0x20 [ 65.237890][ T7776] ? ctnetlink_expect_event+0x410/0x5e0 [ 65.243413][ T7776] ? v9fs_mount+0x55/0x7f0 [ 65.247808][ T7776] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.253431][ T7776] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.259482][ T7776] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.265263][ T7776] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.270780][ T7776] ? apparmor_task_alloc+0x2f0/0x2f0 [ 65.276037][ T7776] v9fs_mount+0x72/0x7f0 [ 65.280253][ T7776] ? v9fs_write_inode+0x50/0x50 [ 65.285075][ T7776] legacy_get_tree+0x103/0x1f0 [ 65.289811][ T7776] vfs_get_tree+0x8b/0x2d0 [ 65.294201][ T7776] ? capable+0x14/0x20 [ 65.298241][ T7776] do_mount+0x1272/0x1c30 [ 65.302540][ T7776] ? lock_downgrade+0x960/0x960 [ 65.307362][ T7776] ? copy_mount_string+0x20/0x20 [ 65.312276][ T7776] ? __kasan_check_write+0x14/0x20 [ 65.317366][ T7776] ? _copy_from_user+0xc5/0x110 [ 65.322192][ T7776] __x64_sys_mount+0x169/0x1c0 [ 65.326935][ T7776] do_syscall_64+0xd0/0x630 [ 65.331410][ T7776] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 65.337274][ T7776] RIP: 0033:0x458da9 [ 65.341156][ T7776] 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 [ 65.360764][ T7776] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.369245][ T7776] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 65.377284][ T7776] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.385229][ T7776] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.396302][ T7776] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 65.404246][ T7776] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.412215][ T7779] CPU: 1 PID: 7779 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 65.420785][ T7779] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.430831][ T7779] Call Trace: [ 65.434113][ T7779] dump_stack+0x12d/0x187 [ 65.438446][ T7779] should_fail.cold.4+0x5/0x13 [ 65.443201][ T7779] ? fault_create_debugfs_attr+0x150/0x150 [ 65.449003][ T7779] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 65.455581][ T7779] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.461125][ T7779] __should_failslab+0xba/0xf0 [ 65.465876][ T7779] should_failslab+0x9/0x14 [ 65.470368][ T7779] kmem_cache_alloc+0x47/0x760 [ 65.475114][ T7779] ? __kasan_check_read+0x11/0x20 [ 65.480124][ T7779] ? mark_lock+0xbf/0x630 [ 65.484445][ T7779] ? legacy_get_tree+0x103/0x1f0 [ 65.489375][ T7779] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 65.495780][ T7779] idr_get_free+0x35d/0x880 [ 65.500284][ T7779] idr_alloc_u32+0x13a/0x330 [ 65.504868][ T7779] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 65.510404][ T7779] ? lock_acquire+0x209/0x9e0 [ 65.515070][ T7779] ? __kasan_check_write+0x14/0x20 [ 65.520167][ T7779] ? do_raw_spin_lock+0x132/0x2e0 [ 65.525183][ T7779] idr_alloc+0x7d/0xc0 [ 65.529241][ T7779] ? idr_alloc_u32+0x330/0x330 [ 65.533998][ T7779] p9_client_prepare_req.part.5+0x571/0x670 [ 65.539883][ T7779] p9_client_rpc+0x174/0xe50 [ 65.544456][ T7779] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.550503][ T7779] ? p9_pollwait+0x182/0x210 [ 65.555075][ T7779] ? pipe_poll+0xc8/0x6b0 [ 65.559385][ T7779] ? ksys_dup3+0x2e0/0x2e0 [ 65.563813][ T7779] ? p9_fd_poll+0x19b/0x2a0 [ 65.568302][ T7779] ? p9_conn_create+0x3a5/0x4f0 [ 65.573138][ T7779] ? p9_conn_create+0x4f0/0x4f0 [ 65.577978][ T7779] p9_client_create+0x7fb/0x10f0 [ 65.582910][ T7779] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 65.588968][ T7779] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.594510][ T7779] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.600566][ T7779] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.606368][ T7779] ? lockdep_init_map_waits+0x270/0x870 [ 65.611911][ T7779] v9fs_session_init+0x1ed/0x14c0 [ 65.616920][ T7779] ? v9fs_session_init+0x1ed/0x14c0 [ 65.622106][ T7779] ? find_held_lock+0x36/0x1d0 [ 65.626864][ T7779] ? v9fs_show_options+0x6c0/0x6c0 [ 65.631959][ T7779] ? __kasan_check_read+0x11/0x20 [ 65.636970][ T7779] ? help+0x5d0/0x14a0 [ 65.641025][ T7779] ? v9fs_mount+0x55/0x7f0 [ 65.645433][ T7779] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.650972][ T7779] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.657021][ T7779] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.662823][ T7779] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.668355][ T7779] ? apparmor_task_alloc+0x2f0/0x2f0 [ 65.673636][ T7779] v9fs_mount+0x72/0x7f0 [ 65.677871][ T7779] ? v9fs_write_inode+0x50/0x50 [ 65.682713][ T7779] legacy_get_tree+0x103/0x1f0 [ 65.687467][ T7779] vfs_get_tree+0x8b/0x2d0 [ 65.691870][ T7779] ? capable+0x14/0x20 [ 65.695926][ T7779] do_mount+0x1272/0x1c30 [ 65.700241][ T7779] ? lock_downgrade+0x960/0x960 [ 65.705084][ T7779] ? copy_mount_string+0x20/0x20 [ 65.710015][ T7779] ? __kasan_check_write+0x14/0x20 [ 65.715113][ T7779] ? _copy_from_user+0xc5/0x110 [ 65.718138][ T7780] FAULT_INJECTION: forcing a failure. [ 65.718138][ T7780] name failslab, interval 1, probability 0, space 0, times 0 [ 65.719949][ T7779] __x64_sys_mount+0x169/0x1c0 [ 65.737226][ T7779] do_syscall_64+0xd0/0x630 [ 65.741707][ T7779] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 65.747569][ T7779] RIP: 0033:0x458da9 [ 65.751452][ 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 [ 65.771025][ T7779] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.779404][ T7779] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 65.787346][ T7779] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.795294][ T7779] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.803238][ T7779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 65.811193][ T7779] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.819156][ T7780] CPU: 0 PID: 7780 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 65.827724][ T7780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.837771][ T7780] Call Trace: [ 65.841396][ T7780] dump_stack+0x12d/0x187 [ 65.845714][ T7780] should_fail.cold.4+0x5/0x13 [ 65.850460][ T7780] ? fault_create_debugfs_attr+0x150/0x150 [ 65.856267][ T7780] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 65.862836][ T7780] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.868367][ T7780] __should_failslab+0xba/0xf0 [ 65.873112][ T7780] should_failslab+0x9/0x14 [ 65.877596][ T7780] kmem_cache_alloc+0x47/0x760 [ 65.882373][ T7780] ? __kasan_check_read+0x11/0x20 [ 65.887381][ T7780] ? mark_lock+0xbf/0x630 [ 65.891691][ T7780] ? legacy_get_tree+0x103/0x1f0 [ 65.896618][ T7780] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 65.903018][ T7780] idr_get_free+0x35d/0x880 [ 65.907528][ T7780] idr_alloc_u32+0x13a/0x330 [ 65.912542][ T7780] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 65.918067][ T7780] ? lock_acquire+0x209/0x9e0 [ 65.922724][ T7780] ? __kasan_check_write+0x14/0x20 [ 65.927814][ T7780] ? do_raw_spin_lock+0x132/0x2e0 [ 65.932823][ T7780] idr_alloc+0x7d/0xc0 [ 65.936875][ T7780] ? idr_alloc_u32+0x330/0x330 [ 65.941625][ T7780] p9_client_prepare_req.part.5+0x571/0x670 [ 65.947501][ T7780] p9_client_rpc+0x174/0xe50 [ 65.952076][ T7780] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.958139][ T7780] ? p9_pollwait+0x182/0x210 [ 65.962887][ T7780] ? pipe_poll+0xc8/0x6b0 [ 65.967204][ T7780] ? ksys_dup3+0x2e0/0x2e0 [ 65.971610][ T7780] ? p9_fd_poll+0x19b/0x2a0 [ 65.976099][ T7780] ? p9_conn_create+0x3a5/0x4f0 [ 65.980946][ T7780] ? p9_conn_create+0x4f0/0x4f0 [ 65.985791][ T7780] p9_client_create+0x7fb/0x10f0 [ 65.990720][ T7780] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 65.996767][ T7780] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.002302][ T7780] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.008348][ T7780] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.014143][ T7780] ? lockdep_init_map_waits+0x270/0x870 [ 66.019687][ T7780] v9fs_session_init+0x1ed/0x14c0 [ 66.024693][ T7780] ? v9fs_session_init+0x1ed/0x14c0 [ 66.029883][ T7780] ? find_held_lock+0x36/0x1d0 [ 66.034635][ T7780] ? v9fs_show_options+0x6c0/0x6c0 [ 66.039730][ T7780] ? __kasan_check_read+0x11/0x20 [ 66.044738][ T7780] ? sip_help_tcp+0x530/0x820 [ 66.049394][ T7780] ? v9fs_mount+0x55/0x7f0 [ 66.053801][ T7780] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.059325][ T7780] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.065366][ T7780] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.071156][ T7780] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.076681][ T7780] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.081946][ T7780] v9fs_mount+0x72/0x7f0 [ 66.086170][ T7780] ? v9fs_write_inode+0x50/0x50 [ 66.091002][ T7780] legacy_get_tree+0x103/0x1f0 [ 66.095751][ T7780] vfs_get_tree+0x8b/0x2d0 [ 66.100155][ T7780] ? capable+0x14/0x20 [ 66.104210][ T7780] do_mount+0x1272/0x1c30 [ 66.108522][ T7780] ? lock_downgrade+0x960/0x960 [ 66.113355][ T7780] ? copy_mount_string+0x20/0x20 [ 66.118287][ T7780] ? __kasan_check_write+0x14/0x20 [ 66.123376][ T7780] ? _copy_from_user+0xc5/0x110 [ 66.128216][ T7780] __x64_sys_mount+0x169/0x1c0 [ 66.132962][ T7780] do_syscall_64+0xd0/0x630 [ 66.137450][ T7780] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 66.143320][ T7780] RIP: 0033:0x458da9 [ 66.147195][ T7780] 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 [ 66.166783][ T7780] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2020/04/21 09:24:22 executed programs: 40 [ 66.175179][ T7780] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 66.183147][ T7780] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 66.191111][ T7780] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 66.199069][ T7780] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 66.207027][ T7780] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 66.261418][ T7799] FAULT_INJECTION: forcing a failure. [ 66.261418][ T7799] name failslab, interval 1, probability 0, space 0, times 0 [ 66.268965][ T7802] FAULT_INJECTION: forcing a failure. [ 66.268965][ T7802] name failslab, interval 1, probability 0, space 0, times 0 [ 66.274016][ T7799] CPU: 0 PID: 7799 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 66.295118][ T7799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.305153][ T7799] Call Trace: [ 66.308417][ T7799] dump_stack+0x12d/0x187 [ 66.312731][ T7799] should_fail.cold.4+0x5/0x13 [ 66.317739][ T7799] ? fault_create_debugfs_attr+0x150/0x150 [ 66.323522][ T7799] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 66.330088][ T7799] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.335612][ T7799] __should_failslab+0xba/0xf0 [ 66.340349][ T7799] should_failslab+0x9/0x14 [ 66.344838][ T7799] kmem_cache_alloc+0x47/0x760 [ 66.349601][ T7799] ? __kasan_check_read+0x11/0x20 [ 66.354622][ T7799] ? mark_lock+0xbf/0x630 [ 66.358941][ T7799] ? legacy_get_tree+0x103/0x1f0 [ 66.363859][ T7799] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 66.370249][ T7799] idr_get_free+0x35d/0x880 [ 66.374732][ T7799] idr_alloc_u32+0x13a/0x330 [ 66.379388][ T7799] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 66.384900][ T7799] ? lock_acquire+0x209/0x9e0 [ 66.389550][ T7799] ? __kasan_check_write+0x14/0x20 [ 66.394639][ T7799] ? do_raw_spin_lock+0x132/0x2e0 [ 66.399638][ T7799] idr_alloc+0x7d/0xc0 [ 66.403695][ T7799] ? idr_alloc_u32+0x330/0x330 [ 66.408440][ T7799] p9_client_prepare_req.part.5+0x571/0x670 [ 66.415366][ T7799] p9_client_rpc+0x174/0xe50 [ 66.419936][ T7799] ? p9_client_prepare_req.part.5+0x670/0x670 [ 66.425978][ T7799] ? p9_pollwait+0x182/0x210 [ 66.430544][ T7799] ? pipe_poll+0xc8/0x6b0 [ 66.434851][ T7799] ? ksys_dup3+0x2e0/0x2e0 [ 66.439327][ T7799] ? p9_fd_poll+0x19b/0x2a0 [ 66.443802][ T7799] ? p9_conn_create+0x3a5/0x4f0 [ 66.448637][ T7799] ? p9_conn_create+0x4f0/0x4f0 [ 66.453466][ T7799] p9_client_create+0x7fb/0x10f0 [ 66.458383][ T7799] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.464417][ T7799] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.470366][ T7799] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.476407][ T7799] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.482186][ T7799] ? lockdep_init_map_waits+0x270/0x870 [ 66.487763][ T7799] v9fs_session_init+0x1ed/0x14c0 [ 66.492845][ T7799] ? v9fs_session_init+0x1ed/0x14c0 [ 66.498016][ T7799] ? find_held_lock+0x36/0x1d0 [ 66.502764][ T7799] ? v9fs_show_options+0x6c0/0x6c0 [ 66.507845][ T7799] ? __kasan_check_read+0x11/0x20 [ 66.512843][ T7799] ? v9fs_mount+0x55/0x7f0 [ 66.517230][ T7799] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.522753][ T7799] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.528802][ T7799] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.534617][ T7799] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.540138][ T7799] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.545400][ T7799] v9fs_mount+0x72/0x7f0 [ 66.549629][ T7799] ? v9fs_write_inode+0x50/0x50 [ 66.554465][ T7799] legacy_get_tree+0x103/0x1f0 [ 66.559219][ T7799] vfs_get_tree+0x8b/0x2d0 [ 66.563616][ T7799] ? capable+0x14/0x20 [ 66.567655][ T7799] do_mount+0x1272/0x1c30 [ 66.571953][ T7799] ? lock_downgrade+0x960/0x960 [ 66.576775][ T7799] ? copy_mount_string+0x20/0x20 [ 66.581688][ T7799] ? __kasan_check_write+0x14/0x20 [ 66.586787][ T7799] ? _copy_from_user+0xc5/0x110 [ 66.591968][ T7799] __x64_sys_mount+0x169/0x1c0 [ 66.596720][ T7799] do_syscall_64+0xd0/0x630 [ 66.601218][ T7799] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 66.607086][ T7799] RIP: 0033:0x458da9 [ 66.610957][ T7799] 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 [ 66.630776][ T7799] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.639245][ T7799] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 66.647189][ T7799] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 66.655131][ T7799] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 66.663159][ T7799] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 66.671112][ T7799] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 66.679076][ T7802] CPU: 1 PID: 7802 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 66.683737][ T7800] FAULT_INJECTION: forcing a failure. [ 66.683737][ T7800] name failslab, interval 1, probability 0, space 0, times 0 [ 66.687652][ T7802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.710233][ T7802] Call Trace: [ 66.713515][ T7802] dump_stack+0x12d/0x187 [ 66.717821][ T7802] should_fail.cold.4+0x5/0x13 [ 66.722564][ T7802] ? fault_create_debugfs_attr+0x150/0x150 [ 66.728338][ T7802] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 66.734897][ T7802] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.740414][ T7802] __should_failslab+0xba/0xf0 [ 66.745148][ T7802] should_failslab+0x9/0x14 [ 66.749623][ T7802] kmem_cache_alloc+0x47/0x760 [ 66.754367][ T7802] ? __kasan_check_read+0x11/0x20 [ 66.759360][ T7802] ? mark_lock+0xbf/0x630 [ 66.763756][ T7802] ? legacy_get_tree+0x103/0x1f0 [ 66.768665][ T7802] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 66.775051][ T7802] idr_get_free+0x35d/0x880 [ 66.779533][ T7802] idr_alloc_u32+0x13a/0x330 [ 66.784098][ T7802] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 66.789611][ T7802] ? lock_acquire+0x209/0x9e0 [ 66.794262][ T7802] ? __kasan_check_write+0x14/0x20 [ 66.799342][ T7802] ? do_raw_spin_lock+0x132/0x2e0 [ 66.804359][ T7802] idr_alloc+0x7d/0xc0 [ 66.808407][ T7802] ? idr_alloc_u32+0x330/0x330 [ 66.813146][ T7802] p9_client_prepare_req.part.5+0x571/0x670 [ 66.819013][ T7802] p9_client_rpc+0x174/0xe50 [ 66.823577][ T7802] ? p9_client_prepare_req.part.5+0x670/0x670 [ 66.829620][ T7802] ? p9_pollwait+0x182/0x210 [ 66.834182][ T7802] ? pipe_poll+0xc8/0x6b0 [ 66.838481][ T7802] ? ksys_dup3+0x2e0/0x2e0 [ 66.842867][ T7802] ? p9_fd_poll+0x19b/0x2a0 [ 66.847355][ T7802] ? p9_conn_create+0x3a5/0x4f0 [ 66.852263][ T7802] ? p9_conn_create+0x4f0/0x4f0 [ 66.857095][ T7802] p9_client_create+0x7fb/0x10f0 [ 66.862017][ T7802] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.868049][ T7802] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.873566][ T7802] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.879690][ T7802] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.885471][ T7802] ? lockdep_init_map_waits+0x270/0x870 [ 66.891087][ T7802] v9fs_session_init+0x1ed/0x14c0 [ 66.896082][ T7802] ? v9fs_session_init+0x1ed/0x14c0 [ 66.901252][ T7802] ? find_held_lock+0x36/0x1d0 [ 66.905991][ T7802] ? v9fs_show_options+0x6c0/0x6c0 [ 66.911070][ T7802] ? __kasan_check_read+0x11/0x20 [ 66.916068][ T7802] ? ethnl_default_doit+0x520/0x950 [ 66.921240][ T7802] ? v9fs_mount+0x55/0x7f0 [ 66.925627][ T7802] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.931158][ T7802] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.937193][ T7802] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.943756][ T7802] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.949290][ T7802] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.954567][ T7802] v9fs_mount+0x72/0x7f0 [ 66.958789][ T7802] ? v9fs_write_inode+0x50/0x50 [ 66.963881][ T7802] legacy_get_tree+0x103/0x1f0 [ 66.968625][ T7802] vfs_get_tree+0x8b/0x2d0 [ 66.973014][ T7802] ? capable+0x14/0x20 [ 66.977076][ T7802] do_mount+0x1272/0x1c30 [ 66.981388][ T7802] ? lock_downgrade+0x960/0x960 [ 66.986213][ T7802] ? copy_mount_string+0x20/0x20 [ 66.991126][ T7802] ? __kasan_check_write+0x14/0x20 [ 66.996209][ T7802] ? _copy_from_user+0xc5/0x110 [ 67.001034][ T7802] __x64_sys_mount+0x169/0x1c0 [ 67.005780][ T7802] do_syscall_64+0xd0/0x630 [ 67.010256][ T7802] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 67.016118][ T7802] RIP: 0033:0x458da9 [ 67.019984][ T7802] 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 [ 67.039557][ T7802] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.047937][ T7802] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 67.055878][ T7802] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.063821][ T7802] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.071854][ T7802] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 67.079794][ T7802] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.087772][ T7800] CPU: 0 PID: 7800 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 67.096342][ T7800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.106384][ T7800] Call Trace: [ 67.109667][ T7800] dump_stack+0x12d/0x187 [ 67.113991][ T7800] should_fail.cold.4+0x5/0x13 [ 67.118746][ T7800] ? fault_create_debugfs_attr+0x150/0x150 [ 67.124540][ T7800] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.131116][ T7800] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.136652][ T7800] __should_failslab+0xba/0xf0 [ 67.141410][ T7800] should_failslab+0x9/0x14 [ 67.145903][ T7800] kmem_cache_alloc+0x47/0x760 [ 67.150652][ T7800] ? __kasan_check_read+0x11/0x20 [ 67.156018][ T7800] ? mark_lock+0xbf/0x630 [ 67.160339][ T7800] ? legacy_get_tree+0x103/0x1f0 [ 67.165274][ T7800] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.171680][ T7800] idr_get_free+0x35d/0x880 [ 67.176183][ T7800] idr_alloc_u32+0x13a/0x330 [ 67.177181][ T7809] FAULT_INJECTION: forcing a failure. [ 67.177181][ T7809] name failslab, interval 1, probability 0, space 0, times 0 [ 67.180758][ T7800] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 67.198833][ T7800] ? lock_acquire+0x209/0x9e0 [ 67.203481][ T7800] ? __kasan_check_write+0x14/0x20 [ 67.208573][ T7800] ? do_raw_spin_lock+0x132/0x2e0 [ 67.213576][ T7800] idr_alloc+0x7d/0xc0 [ 67.217615][ T7800] ? idr_alloc_u32+0x330/0x330 [ 67.222364][ T7800] p9_client_prepare_req.part.5+0x571/0x670 [ 67.228229][ T7800] p9_client_rpc+0x174/0xe50 [ 67.232792][ T7800] ? p9_client_prepare_req.part.5+0x670/0x670 [ 67.238834][ T7800] ? p9_pollwait+0x182/0x210 [ 67.243406][ T7800] ? pipe_poll+0xc8/0x6b0 [ 67.247715][ T7800] ? ksys_dup3+0x2e0/0x2e0 [ 67.252103][ T7800] ? p9_fd_poll+0x19b/0x2a0 [ 67.256583][ T7800] ? p9_conn_create+0x3a5/0x4f0 [ 67.261406][ T7800] ? p9_conn_create+0x4f0/0x4f0 [ 67.266239][ T7800] p9_client_create+0x7fb/0x10f0 [ 67.271151][ T7800] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 67.277276][ T7800] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.282794][ T7800] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.288828][ T7800] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.294609][ T7800] ? lockdep_init_map_waits+0x270/0x870 [ 67.300132][ T7800] v9fs_session_init+0x1ed/0x14c0 [ 67.305124][ T7800] ? v9fs_session_init+0x1ed/0x14c0 [ 67.310313][ T7800] ? find_held_lock+0x36/0x1d0 [ 67.315053][ T7800] ? v9fs_show_options+0x6c0/0x6c0 [ 67.320132][ T7800] ? __kasan_check_read+0x11/0x20 [ 67.325129][ T7800] ? v9fs_mount+0x55/0x7f0 [ 67.329516][ T7800] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.335043][ T7800] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.341084][ T7800] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.346863][ T7800] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.352379][ T7800] ? apparmor_task_alloc+0x2f0/0x2f0 [ 67.357637][ T7800] v9fs_mount+0x72/0x7f0 [ 67.361854][ T7800] ? v9fs_write_inode+0x50/0x50 [ 67.366674][ T7800] legacy_get_tree+0x103/0x1f0 [ 67.371411][ T7800] vfs_get_tree+0x8b/0x2d0 [ 67.375795][ T7800] ? capable+0x14/0x20 [ 67.379840][ T7800] do_mount+0x1272/0x1c30 [ 67.384136][ T7800] ? lock_downgrade+0x960/0x960 [ 67.388958][ T7800] ? copy_mount_string+0x20/0x20 [ 67.393873][ T7800] ? __kasan_check_write+0x14/0x20 [ 67.398953][ T7800] ? _copy_from_user+0xc5/0x110 [ 67.403783][ T7800] __x64_sys_mount+0x169/0x1c0 [ 67.408519][ T7800] do_syscall_64+0xd0/0x630 [ 67.422754][ T7800] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 67.428617][ T7800] RIP: 0033:0x458da9 [ 67.432485][ T7800] 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 [ 67.452072][ T7800] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.460453][ T7800] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 67.468399][ T7800] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.476351][ T7800] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.484295][ T7800] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 67.492243][ T7800] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.500215][ T7809] CPU: 1 PID: 7809 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 67.508784][ T7809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.518827][ T7809] Call Trace: [ 67.522105][ T7809] dump_stack+0x12d/0x187 [ 67.526436][ T7809] should_fail.cold.4+0x5/0x13 [ 67.531190][ T7809] ? fault_create_debugfs_attr+0x150/0x150 [ 67.536982][ T7809] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.543564][ T7809] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.549102][ T7809] __should_failslab+0xba/0xf0 [ 67.553851][ T7809] should_failslab+0x9/0x14 [ 67.558344][ T7809] kmem_cache_alloc+0x47/0x760 [ 67.563109][ T7809] ? __kasan_check_read+0x11/0x20 [ 67.568124][ T7809] ? mark_lock+0xbf/0x630 [ 67.572439][ T7809] ? legacy_get_tree+0x103/0x1f0 [ 67.573916][ T7803] FAULT_INJECTION: forcing a failure. [ 67.573916][ T7803] name failslab, interval 1, probability 0, space 0, times 0 [ 67.577361][ T7809] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.596314][ T7809] idr_get_free+0x35d/0x880 [ 67.600801][ T7809] idr_alloc_u32+0x13a/0x330 [ 67.605365][ T7809] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 67.610883][ T7809] ? lock_acquire+0x209/0x9e0 [ 67.615539][ T7809] ? __kasan_check_write+0x14/0x20 [ 67.620620][ T7809] ? do_raw_spin_lock+0x132/0x2e0 [ 67.625618][ T7809] idr_alloc+0x7d/0xc0 [ 67.629659][ T7809] ? idr_alloc_u32+0x330/0x330 [ 67.634398][ T7809] p9_client_prepare_req.part.5+0x571/0x670 [ 67.640269][ T7809] p9_client_rpc+0x174/0xe50 [ 67.644832][ T7809] ? p9_client_prepare_req.part.5+0x670/0x670 [ 67.650956][ T7809] ? p9_pollwait+0x182/0x210 [ 67.655693][ T7809] ? pipe_poll+0xc8/0x6b0 [ 67.659992][ T7809] ? ksys_dup3+0x2e0/0x2e0 [ 67.664382][ T7809] ? p9_fd_poll+0x19b/0x2a0 [ 67.668858][ T7809] ? p9_conn_create+0x3a5/0x4f0 [ 67.673681][ T7809] ? p9_conn_create+0x4f0/0x4f0 [ 67.678506][ T7809] p9_client_create+0x7fb/0x10f0 [ 67.683419][ T7809] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 67.689454][ T7809] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.694968][ T7809] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.701000][ T7809] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.706792][ T7809] ? lockdep_init_map_waits+0x270/0x870 [ 67.712316][ T7809] v9fs_session_init+0x1ed/0x14c0 [ 67.717307][ T7809] ? v9fs_session_init+0x1ed/0x14c0 [ 67.722486][ T7809] ? find_held_lock+0x36/0x1d0 [ 67.727224][ T7809] ? v9fs_show_options+0x6c0/0x6c0 [ 67.732306][ T7809] ? __kasan_check_read+0x11/0x20 [ 67.737311][ T7809] ? v9fs_mount+0x55/0x7f0 [ 67.741697][ T7809] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.747212][ T7809] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.753254][ T7809] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.759033][ T7809] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.764553][ T7809] ? apparmor_task_alloc+0x2f0/0x2f0 [ 67.769810][ T7809] v9fs_mount+0x72/0x7f0 [ 67.774026][ T7809] ? v9fs_write_inode+0x50/0x50 [ 67.778847][ T7809] legacy_get_tree+0x103/0x1f0 [ 67.783581][ T7809] vfs_get_tree+0x8b/0x2d0 [ 67.787967][ T7809] ? capable+0x14/0x20 [ 67.792015][ T7809] do_mount+0x1272/0x1c30 [ 67.796315][ T7809] ? lock_downgrade+0x960/0x960 [ 67.801136][ T7809] ? copy_mount_string+0x20/0x20 [ 67.806058][ T7809] ? __kasan_check_write+0x14/0x20 [ 67.811137][ T7809] ? _copy_from_user+0xc5/0x110 [ 67.815971][ T7809] __x64_sys_mount+0x169/0x1c0 [ 67.820707][ T7809] do_syscall_64+0xd0/0x630 [ 67.825181][ T7809] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 67.831046][ T7809] RIP: 0033:0x458da9 [ 67.834914][ T7809] 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 [ 67.854586][ T7809] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.862965][ T7809] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 67.870906][ T7809] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.878847][ T7809] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.886788][ T7809] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 67.894730][ T7809] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.902690][ T7803] CPU: 0 PID: 7803 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 67.911267][ T7803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.921307][ T7803] Call Trace: [ 67.924592][ T7803] dump_stack+0x12d/0x187 [ 67.928915][ T7803] should_fail.cold.4+0x5/0x13 [ 67.933671][ T7803] ? fault_create_debugfs_attr+0x150/0x150 [ 67.939479][ T7803] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.946097][ T7803] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.951637][ T7803] __should_failslab+0xba/0xf0 [ 67.956361][ T7824] FAULT_INJECTION: forcing a failure. [ 67.956361][ T7824] name failslab, interval 1, probability 0, space 0, times 0 [ 67.956386][ T7803] should_failslab+0x9/0x14 [ 67.973404][ T7803] kmem_cache_alloc+0x47/0x760 [ 67.978139][ T7803] ? __kasan_check_read+0x11/0x20 [ 67.983143][ T7803] ? mark_lock+0xbf/0x630 [ 67.987441][ T7803] ? legacy_get_tree+0x103/0x1f0 [ 67.992351][ T7803] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.998735][ T7803] idr_get_free+0x35d/0x880 [ 68.003227][ T7803] idr_alloc_u32+0x13a/0x330 [ 68.007803][ T7803] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 68.013329][ T7803] ? lock_acquire+0x209/0x9e0 [ 68.017977][ T7803] ? __kasan_check_write+0x14/0x20 [ 68.023063][ T7803] ? do_raw_spin_lock+0x132/0x2e0 [ 68.028057][ T7803] idr_alloc+0x7d/0xc0 [ 68.032095][ T7803] ? idr_alloc_u32+0x330/0x330 [ 68.036837][ T7803] p9_client_prepare_req.part.5+0x571/0x670 [ 68.042791][ T7803] p9_client_rpc+0x174/0xe50 [ 68.047353][ T7803] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.053388][ T7803] ? p9_pollwait+0x182/0x210 [ 68.057950][ T7803] ? pipe_poll+0xc8/0x6b0 [ 68.062250][ T7803] ? ksys_dup3+0x2e0/0x2e0 [ 68.066637][ T7803] ? p9_fd_poll+0x19b/0x2a0 [ 68.071120][ T7803] ? p9_conn_create+0x3a5/0x4f0 [ 68.075952][ T7803] ? p9_conn_create+0x4f0/0x4f0 [ 68.080779][ T7803] p9_client_create+0x7fb/0x10f0 [ 68.085691][ T7803] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.091735][ T7803] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.097249][ T7803] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.103284][ T7803] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.109062][ T7803] ? lockdep_init_map_waits+0x270/0x870 [ 68.114585][ T7803] v9fs_session_init+0x1ed/0x14c0 [ 68.119575][ T7803] ? v9fs_session_init+0x1ed/0x14c0 [ 68.124749][ T7803] ? find_held_lock+0x36/0x1d0 [ 68.129489][ T7803] ? v9fs_show_options+0x6c0/0x6c0 [ 68.134576][ T7803] ? __kasan_check_read+0x11/0x20 [ 68.139568][ T7803] ? ethnl_set_debug+0x280/0x780 [ 68.144477][ T7803] ? v9fs_mount+0x55/0x7f0 [ 68.148885][ T7803] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.154410][ T7803] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.160442][ T7803] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.166219][ T7803] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.171736][ T7803] ? apparmor_task_alloc+0x2f0/0x2f0 [ 68.176990][ T7803] v9fs_mount+0x72/0x7f0 [ 68.181204][ T7803] ? v9fs_write_inode+0x50/0x50 [ 68.186044][ T7803] legacy_get_tree+0x103/0x1f0 [ 68.190779][ T7803] vfs_get_tree+0x8b/0x2d0 [ 68.195174][ T7803] ? capable+0x14/0x20 [ 68.199213][ T7803] do_mount+0x1272/0x1c30 [ 68.203512][ T7803] ? lock_downgrade+0x960/0x960 [ 68.208343][ T7803] ? copy_mount_string+0x20/0x20 [ 68.213264][ T7803] ? __kasan_check_write+0x14/0x20 [ 68.218346][ T7803] ? _copy_from_user+0xc5/0x110 [ 68.223178][ T7803] __x64_sys_mount+0x169/0x1c0 [ 68.227922][ T7803] do_syscall_64+0xd0/0x630 [ 68.232398][ T7803] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 68.238269][ T7803] RIP: 0033:0x458da9 [ 68.242134][ T7803] 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 [ 68.261722][ T7803] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.270112][ T7803] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 68.278052][ T7803] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 68.285994][ T7803] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 68.293938][ T7803] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 68.301892][ T7803] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 68.309854][ T7824] CPU: 1 PID: 7824 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 68.318513][ T7824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.328558][ T7824] Call Trace: [ 68.331840][ T7824] dump_stack+0x12d/0x187 [ 68.336157][ T7824] should_fail.cold.4+0x5/0x13 [ 68.340909][ T7824] ? fault_create_debugfs_attr+0x150/0x150 [ 68.346708][ T7824] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 68.353297][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.358842][ T7824] __should_failslab+0xba/0xf0 [ 68.363595][ T7824] should_failslab+0x9/0x14 [ 68.368087][ T7824] kmem_cache_alloc+0x47/0x760 [ 68.372838][ T7824] ? __kasan_check_read+0x11/0x20 [ 68.377853][ T7824] ? mark_lock+0xbf/0x630 [ 68.382167][ T7824] ? legacy_get_tree+0x103/0x1f0 [ 68.387096][ T7824] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 68.393510][ T7824] idr_get_free+0x35d/0x880 [ 68.398019][ T7824] idr_alloc_u32+0x13a/0x330 [ 68.402598][ T7824] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 68.408129][ T7824] ? lock_acquire+0x209/0x9e0 [ 68.409989][ T27] audit: type=1804 audit(1587461065.046:5): pid=7829 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/9/file0" dev="sda1" ino=15823 res=1 [ 68.412795][ T7824] ? __kasan_check_write+0x14/0x20 [ 68.412804][ T7824] ? do_raw_spin_lock+0x132/0x2e0 [ 68.412816][ T7824] idr_alloc+0x7d/0xc0 [ 68.412823][ T7824] ? idr_alloc_u32+0x330/0x330 [ 68.412837][ T7824] p9_client_prepare_req.part.5+0x571/0x670 [ 68.446833][ T7829] FAULT_INJECTION: forcing a failure. [ 68.446833][ T7829] name failslab, interval 1, probability 0, space 0, times 0 [ 68.449585][ T7824] p9_client_rpc+0x174/0xe50 [ 68.477399][ T7824] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.483436][ T7824] ? p9_pollwait+0x182/0x210 [ 68.488001][ T7824] ? pipe_poll+0xc8/0x6b0 [ 68.492299][ T7824] ? ksys_dup3+0x2e0/0x2e0 [ 68.496684][ T7824] ? p9_fd_poll+0x19b/0x2a0 [ 68.501157][ T7824] ? p9_conn_create+0x3a5/0x4f0 [ 68.505980][ T7824] ? p9_conn_create+0x4f0/0x4f0 [ 68.510807][ T7824] p9_client_create+0x7fb/0x10f0 [ 68.515725][ T7824] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.521771][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.527283][ T7824] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.533316][ T7824] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.539117][ T7824] ? lockdep_init_map_waits+0x270/0x870 [ 68.544646][ T7824] v9fs_session_init+0x1ed/0x14c0 [ 68.549640][ T7824] ? v9fs_session_init+0x1ed/0x14c0 [ 68.554813][ T7824] ? find_held_lock+0x36/0x1d0 [ 68.559555][ T7824] ? v9fs_show_options+0x6c0/0x6c0 [ 68.564640][ T7824] ? __kasan_check_read+0x11/0x20 [ 68.569639][ T7824] ? v9fs_mount+0x55/0x7f0 [ 68.574044][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.579569][ T7824] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.585627][ T7824] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.591420][ T7824] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.596948][ T7824] ? apparmor_task_alloc+0x2f0/0x2f0 [ 68.602214][ T7824] v9fs_mount+0x72/0x7f0 [ 68.606441][ T7824] ? v9fs_write_inode+0x50/0x50 [ 68.611263][ T7824] legacy_get_tree+0x103/0x1f0 [ 68.616001][ T7824] vfs_get_tree+0x8b/0x2d0 [ 68.620395][ T7824] ? capable+0x14/0x20 [ 68.624466][ T7824] do_mount+0x1272/0x1c30 [ 68.628770][ T7824] ? lock_downgrade+0x960/0x960 [ 68.638540][ T7824] ? copy_mount_string+0x20/0x20 [ 68.643452][ T7824] ? __kasan_check_write+0x14/0x20 [ 68.648532][ T7824] ? _copy_from_user+0xc5/0x110 [ 68.653356][ T7824] __x64_sys_mount+0x169/0x1c0 [ 68.658092][ T7824] do_syscall_64+0xd0/0x630 [ 68.662570][ T7824] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 68.668449][ T7824] RIP: 0033:0x458da9 [ 68.672315][ 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 [ 68.692062][ T7824] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.700439][ T7824] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 68.708380][ T7824] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 68.716321][ T7824] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 68.724265][ T7824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 68.732206][ T7824] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 68.740167][ T7829] CPU: 0 PID: 7829 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 68.748738][ T7829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.758782][ T7829] Call Trace: [ 68.762063][ T7829] dump_stack+0x12d/0x187 [ 68.766378][ T7829] should_fail.cold.4+0x5/0x13 [ 68.771125][ T7829] ? fault_create_debugfs_attr+0x150/0x150 [ 68.776912][ T7829] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 68.783476][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.789006][ T7829] __should_failslab+0xba/0xf0 [ 68.793753][ T7829] should_failslab+0x9/0x14 [ 68.798236][ T7829] kmem_cache_alloc+0x47/0x760 [ 68.802983][ T7829] ? __kasan_check_read+0x11/0x20 [ 68.807987][ T7829] ? mark_lock+0xbf/0x630 [ 68.812295][ T7829] ? legacy_get_tree+0x103/0x1f0 [ 68.817216][ T7829] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 68.823614][ T7829] idr_get_free+0x35d/0x880 [ 68.828108][ T7829] idr_alloc_u32+0x13a/0x330 [ 68.832681][ T7829] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 68.838201][ T7829] ? lock_acquire+0x209/0x9e0 [ 68.842881][ T7829] ? __kasan_check_write+0x14/0x20 [ 68.847976][ T7829] ? do_raw_spin_lock+0x132/0x2e0 [ 68.852984][ T7829] idr_alloc+0x7d/0xc0 [ 68.857043][ T7829] ? idr_alloc_u32+0x330/0x330 [ 68.861796][ T7829] p9_client_prepare_req.part.5+0x571/0x670 [ 68.867678][ T7829] p9_client_rpc+0x174/0xe50 [ 68.872249][ T7829] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 68.878036][ T7829] ? __debug_object_init+0x4fc/0x10f0 [ 68.883391][ T7829] ? __kasan_check_read+0x11/0x20 [ 68.888391][ T7829] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.894442][ T7829] ? free_object+0x70/0x70 [ 68.898841][ T7829] ? ksys_dup3+0x2e0/0x2e0 [ 68.903246][ T7829] ? lockdep_init_map_waits+0x270/0x870 [ 68.908859][ T7829] ? __kasan_check_write+0x14/0x20 [ 68.913947][ T7829] ? p9_conn_create+0x3ce/0x4f0 [ 68.918784][ T7829] ? p9_conn_create+0x4f0/0x4f0 [ 68.923622][ T7829] p9_client_create+0x7fb/0x10f0 [ 68.928548][ T7829] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.934592][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.940116][ T7829] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.946159][ T7829] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.951950][ T7829] ? lockdep_init_map_waits+0x270/0x870 [ 68.957505][ T7829] v9fs_session_init+0x1ed/0x14c0 [ 68.962508][ T7829] ? v9fs_session_init+0x1ed/0x14c0 [ 68.967689][ T7829] ? find_held_lock+0x36/0x1d0 [ 68.972437][ T7829] ? v9fs_show_options+0x6c0/0x6c0 [ 68.977527][ T7829] ? __kasan_check_read+0x11/0x20 [ 68.982550][ T7829] ? v9fs_mount+0x55/0x7f0 [ 68.986944][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.992475][ T7829] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.998517][ T7829] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.004308][ T7829] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.010191][ T7829] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.015461][ T7829] v9fs_mount+0x72/0x7f0 [ 69.019686][ T7829] ? v9fs_write_inode+0x50/0x50 [ 69.024513][ T7829] legacy_get_tree+0x103/0x1f0 [ 69.029257][ T7829] vfs_get_tree+0x8b/0x2d0 [ 69.033654][ T7829] ? capable+0x14/0x20 [ 69.037705][ T7829] do_mount+0x1272/0x1c30 [ 69.042012][ T7829] ? lock_downgrade+0x960/0x960 [ 69.046843][ T7829] ? copy_mount_string+0x20/0x20 [ 69.051767][ T7829] ? __kasan_check_write+0x14/0x20 [ 69.056856][ T7829] ? _copy_from_user+0xc5/0x110 [ 69.061708][ T7829] __x64_sys_mount+0x169/0x1c0 [ 69.066453][ T7829] do_syscall_64+0xd0/0x630 [ 69.070938][ T7829] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 69.076813][ T7829] RIP: 0033:0x458da9 [ 69.080690][ 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 [ 69.100273][ T7829] RSP: 002b:00007f95ee5c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.108682][ T7829] RAX: ffffffffffffffda RBX: 00007f95ee5c2c90 RCX: 0000000000458da9 [ 69.116632][ T7829] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.124585][ T7829] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 69.132535][ T7829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5c36d4 [ 69.140484][ T7829] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.161823][ T7827] FAULT_INJECTION: forcing a failure. [ 69.161823][ T7827] name failslab, interval 1, probability 0, space 0, times 0 [ 69.174407][ T7827] CPU: 1 PID: 7827 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 69.177250][ T7835] FAULT_INJECTION: forcing a failure. [ 69.177250][ T7835] name failslab, interval 1, probability 0, space 0, times 0 [ 69.182990][ T7827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.205556][ T7827] Call Trace: [ 69.208816][ T7827] dump_stack+0x12d/0x187 [ 69.213124][ T7827] should_fail.cold.4+0x5/0x13 [ 69.217858][ T7827] ? fault_create_debugfs_attr+0x150/0x150 [ 69.223633][ T7827] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 69.230188][ T7827] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.235705][ T7827] __should_failslab+0xba/0xf0 [ 69.240450][ T7827] should_failslab+0x9/0x14 [ 69.244923][ T7827] kmem_cache_alloc+0x47/0x760 [ 69.249665][ T7827] ? __kasan_check_read+0x11/0x20 [ 69.254658][ T7827] ? mark_lock+0xbf/0x630 [ 69.258965][ T7827] ? legacy_get_tree+0x103/0x1f0 [ 69.263882][ T7827] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 69.270267][ T7827] idr_get_free+0x35d/0x880 [ 69.274749][ T7827] idr_alloc_u32+0x13a/0x330 [ 69.279311][ T7827] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 69.284823][ T7827] ? lock_acquire+0x209/0x9e0 [ 69.289470][ T7827] ? __kasan_check_write+0x14/0x20 [ 69.294551][ T7827] ? do_raw_spin_lock+0x132/0x2e0 [ 69.299546][ T7827] idr_alloc+0x7d/0xc0 [ 69.303584][ T7827] ? idr_alloc_u32+0x330/0x330 [ 69.308323][ T7827] p9_client_prepare_req.part.5+0x571/0x670 [ 69.314206][ T7827] p9_client_rpc+0x174/0xe50 [ 69.318767][ T7827] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 69.324542][ T7827] ? __debug_object_init+0x4fc/0x10f0 [ 69.329882][ T7827] ? __kasan_check_read+0x11/0x20 [ 69.334876][ T7827] ? p9_client_prepare_req.part.5+0x670/0x670 [ 69.340913][ T7827] ? free_object+0x70/0x70 [ 69.345299][ T7827] ? ksys_dup3+0x2e0/0x2e0 [ 69.349684][ T7827] ? lockdep_init_map_waits+0x270/0x870 [ 69.355199][ T7827] ? __kasan_check_write+0x14/0x20 [ 69.360279][ T7827] ? p9_conn_create+0x3ce/0x4f0 [ 69.365100][ T7827] ? p9_conn_create+0x4f0/0x4f0 [ 69.369926][ T7827] p9_client_create+0x7fb/0x10f0 [ 69.374839][ T7827] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 69.380872][ T7827] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.386384][ T7827] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.392434][ T7827] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.398214][ T7827] ? lockdep_init_map_waits+0x270/0x870 [ 69.403753][ T7827] v9fs_session_init+0x1ed/0x14c0 [ 69.408750][ T7827] ? v9fs_session_init+0x1ed/0x14c0 [ 69.413926][ T7827] ? find_held_lock+0x36/0x1d0 [ 69.418668][ T7827] ? v9fs_show_options+0x6c0/0x6c0 [ 69.423759][ T7827] ? __kasan_check_read+0x11/0x20 [ 69.428767][ T7827] ? v9fs_mount+0x55/0x7f0 [ 69.433154][ T7827] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.438756][ T7827] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.444793][ T7827] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.450578][ T7827] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.456100][ T7827] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.461361][ T7827] v9fs_mount+0x72/0x7f0 [ 69.465579][ T7827] ? v9fs_write_inode+0x50/0x50 [ 69.470414][ T7827] legacy_get_tree+0x103/0x1f0 [ 69.475157][ T7827] vfs_get_tree+0x8b/0x2d0 [ 69.479543][ T7827] ? capable+0x14/0x20 [ 69.483583][ T7827] do_mount+0x1272/0x1c30 [ 69.487882][ T7827] ? lock_downgrade+0x960/0x960 [ 69.492716][ T7827] ? copy_mount_string+0x20/0x20 [ 69.497630][ T7827] ? __kasan_check_write+0x14/0x20 [ 69.502710][ T7827] ? _copy_from_user+0xc5/0x110 [ 69.507536][ T7827] __x64_sys_mount+0x169/0x1c0 [ 69.512273][ T7827] do_syscall_64+0xd0/0x630 [ 69.516748][ T7827] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 69.522613][ T7827] RIP: 0033:0x458da9 [ 69.526482][ T7827] 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 [ 69.546056][ T7827] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.554435][ T7827] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 69.562382][ T7827] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.570336][ T7827] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 69.578295][ T7827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 69.586242][ T7827] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.594205][ T7835] CPU: 0 PID: 7835 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 69.610505][ T7835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.620548][ T7835] Call Trace: [ 69.623827][ T7835] dump_stack+0x12d/0x187 [ 69.628152][ T7835] should_fail.cold.4+0x5/0x13 [ 69.632918][ T7835] ? fault_create_debugfs_attr+0x150/0x150 [ 69.638718][ T7835] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 69.642586][ T27] audit: type=1804 audit(1587461065.796:6): pid=7827 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir886178705/syzkaller.IEPhE9/7/file0" dev="sda1" ino=15772 res=1 [ 69.645288][ T7835] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.645301][ T7835] __should_failslab+0xba/0xf0 [ 69.645310][ T7835] should_failslab+0x9/0x14 [ 69.645318][ T7835] kmem_cache_alloc+0x47/0x760 [ 69.645324][ T7835] ? __kasan_check_read+0x11/0x20 [ 69.645333][ T7835] ? mark_lock+0xbf/0x630 [ 69.645339][ T7835] ? legacy_get_tree+0x103/0x1f0 [ 69.645352][ T7835] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 69.645364][ T7835] idr_get_free+0x35d/0x880 [ 69.645386][ T7835] idr_alloc_u32+0x13a/0x330 [ 69.717186][ T7835] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 69.722710][ T7835] ? lock_acquire+0x209/0x9e0 [ 69.727376][ T7835] ? __kasan_check_write+0x14/0x20 [ 69.732464][ T7835] ? do_raw_spin_lock+0x132/0x2e0 [ 69.737469][ T7835] idr_alloc+0x7d/0xc0 [ 69.741534][ T7835] ? idr_alloc_u32+0x330/0x330 [ 69.746291][ T7835] p9_client_prepare_req.part.5+0x571/0x670 [ 69.752173][ T7835] p9_client_rpc+0x174/0xe50 [ 69.756758][ T7835] ? p9_client_prepare_req.part.5+0x670/0x670 [ 69.762818][ T7835] ? p9_pollwait+0x182/0x210 [ 69.767405][ T7835] ? pipe_poll+0xc8/0x6b0 [ 69.771490][ T7838] FAULT_INJECTION: forcing a failure. [ 69.771490][ T7838] name failslab, interval 1, probability 0, space 0, times 0 [ 69.771718][ T7835] ? ksys_dup3+0x2e0/0x2e0 [ 69.788652][ T7835] ? p9_fd_poll+0x19b/0x2a0 [ 69.793127][ T7835] ? p9_conn_create+0x3a5/0x4f0 [ 69.797949][ T7835] ? p9_conn_create+0x4f0/0x4f0 [ 69.802870][ T7835] p9_client_create+0x7fb/0x10f0 [ 69.807799][ T7835] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 69.813836][ T7835] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.819352][ T7835] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.825404][ T7835] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.831198][ T7835] ? lockdep_init_map_waits+0x270/0x870 [ 69.836733][ T7835] v9fs_session_init+0x1ed/0x14c0 [ 69.841736][ T7835] ? v9fs_session_init+0x1ed/0x14c0 [ 69.846905][ T7835] ? find_held_lock+0x36/0x1d0 [ 69.851642][ T7835] ? v9fs_show_options+0x6c0/0x6c0 [ 69.856727][ T7835] ? __kasan_check_read+0x11/0x20 [ 69.861721][ T7835] ? v9fs_mount+0x55/0x7f0 [ 69.866106][ T7835] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.871619][ T7835] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.877659][ T7835] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.883457][ T7835] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.888974][ T7835] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.894241][ T7835] v9fs_mount+0x72/0x7f0 [ 69.898454][ T7835] ? v9fs_write_inode+0x50/0x50 [ 69.903283][ T7835] legacy_get_tree+0x103/0x1f0 [ 69.908031][ T7835] vfs_get_tree+0x8b/0x2d0 [ 69.912427][ T7835] ? capable+0x14/0x20 [ 69.916464][ T7835] do_mount+0x1272/0x1c30 [ 69.920762][ T7835] ? lock_downgrade+0x960/0x960 [ 69.925583][ T7835] ? copy_mount_string+0x20/0x20 [ 69.930506][ T7835] ? __kasan_check_write+0x14/0x20 [ 69.935588][ T7835] ? _copy_from_user+0xc5/0x110 [ 69.940423][ T7835] __x64_sys_mount+0x169/0x1c0 [ 69.945159][ T7835] do_syscall_64+0xd0/0x630 [ 69.949635][ T7835] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 69.955506][ T7835] RIP: 0033:0x458da9 [ 69.959372][ T7835] 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 [ 69.978960][ T7835] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.987342][ T7835] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 69.995288][ T7835] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 70.003228][ T7835] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 70.011170][ T7835] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 70.019111][ T7835] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 70.027069][ T7838] CPU: 1 PID: 7838 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 70.028683][ T7828] FAULT_INJECTION: forcing a failure. [ 70.028683][ T7828] name failslab, interval 1, probability 0, space 0, times 0 [ 70.035632][ T7838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.058199][ T7838] Call Trace: [ 70.061461][ T7838] dump_stack+0x12d/0x187 [ 70.065765][ T7838] should_fail.cold.4+0x5/0x13 [ 70.070501][ T7838] ? fault_create_debugfs_attr+0x150/0x150 [ 70.076275][ T7838] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 70.082831][ T7838] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.088355][ T7838] __should_failslab+0xba/0xf0 [ 70.093104][ T7838] should_failslab+0x9/0x14 [ 70.097577][ T7838] kmem_cache_alloc+0x47/0x760 [ 70.102321][ T7838] ? __kasan_check_read+0x11/0x20 [ 70.107326][ T7838] ? mark_lock+0xbf/0x630 [ 70.111628][ T7838] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 70.118016][ T7838] idr_get_free+0x35d/0x880 [ 70.122499][ T7838] idr_alloc_u32+0x13a/0x330 [ 70.127059][ T7838] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 70.132582][ T7838] ? lock_acquire+0x209/0x9e0 [ 70.137228][ T7838] ? __kasan_check_write+0x14/0x20 [ 70.142314][ T7838] ? do_raw_spin_lock+0x132/0x2e0 [ 70.147308][ T7838] idr_alloc+0x7d/0xc0 [ 70.151348][ T7838] ? idr_alloc_u32+0x330/0x330 [ 70.156088][ T7838] p9_client_prepare_req.part.5+0x571/0x670 [ 70.161952][ T7838] p9_client_rpc+0x174/0xe50 [ 70.166518][ T7838] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.172555][ T7838] ? p9_pollwait+0x182/0x210 [ 70.177121][ T7838] ? pipe_poll+0xc8/0x6b0 [ 70.181419][ T7838] ? ksys_dup3+0x2e0/0x2e0 [ 70.185803][ T7838] ? p9_fd_poll+0x19b/0x2a0 [ 70.190278][ T7838] ? p9_conn_create+0x3a5/0x4f0 [ 70.195109][ T7838] ? p9_conn_create+0x4f0/0x4f0 [ 70.199935][ T7838] p9_client_create+0x7fb/0x10f0 [ 70.204850][ T7838] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.210885][ T7838] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.216397][ T7838] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.222431][ T7838] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.228220][ T7838] ? lockdep_init_map_waits+0x270/0x870 [ 70.233741][ T7838] v9fs_session_init+0x1ed/0x14c0 [ 70.238733][ T7838] ? v9fs_session_init+0x1ed/0x14c0 [ 70.243901][ T7838] ? find_held_lock+0x36/0x1d0 [ 70.248640][ T7838] ? v9fs_show_options+0x6c0/0x6c0 [ 70.253725][ T7838] ? __kasan_check_read+0x11/0x20 [ 70.258737][ T7838] ? v9fs_mount+0x55/0x7f0 [ 70.263121][ T7838] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.268636][ T7838] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.274669][ T7838] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.280479][ T7838] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.286003][ T7838] ? apparmor_task_alloc+0x2f0/0x2f0 [ 70.291268][ T7838] v9fs_mount+0x72/0x7f0 [ 70.295493][ T7838] ? v9fs_write_inode+0x50/0x50 [ 70.300321][ T7838] legacy_get_tree+0x103/0x1f0 [ 70.305058][ T7838] vfs_get_tree+0x8b/0x2d0 [ 70.309445][ T7838] ? capable+0x14/0x20 [ 70.313488][ T7838] do_mount+0x1272/0x1c30 [ 70.317789][ T7838] ? lock_downgrade+0x960/0x960 [ 70.322618][ T7838] ? copy_mount_string+0x20/0x20 [ 70.327533][ T7838] ? __kasan_check_write+0x14/0x20 [ 70.332616][ T7838] ? _copy_from_user+0xc5/0x110 [ 70.337443][ T7838] __x64_sys_mount+0x169/0x1c0 [ 70.342183][ T7838] do_syscall_64+0xd0/0x630 [ 70.346665][ T7838] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 70.352526][ T7838] RIP: 0033:0x458da9 [ 70.356391][ 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 [ 70.375968][ T7838] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.384352][ T7838] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 70.392293][ T7838] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 70.400253][ T7838] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 70.408210][ T7838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 70.416170][ T7838] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 70.424137][ T7828] CPU: 0 PID: 7828 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 70.432705][ T7828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.442748][ T7828] Call Trace: [ 70.446028][ T7828] dump_stack+0x12d/0x187 [ 70.450352][ T7828] should_fail.cold.4+0x5/0x13 [ 70.455109][ T7828] ? fault_create_debugfs_attr+0x150/0x150 [ 70.460905][ T7828] ? save_stack+0x3f/0x50 [ 70.465223][ T7828] ? save_stack+0x21/0x50 [ 70.469541][ T7828] __should_failslab+0xba/0xf0 [ 70.474293][ T7828] should_failslab+0x9/0x14 [ 70.478796][ T7828] kmem_cache_alloc+0x47/0x760 [ 70.480239][ T7846] FAULT_INJECTION: forcing a failure. [ 70.480239][ T7846] name failslab, interval 1, probability 0, space 0, times 0 [ 70.483543][ T7828] ? __kasan_check_read+0x11/0x20 [ 70.501077][ T7828] ? mark_lock+0xbf/0x630 [ 70.505374][ T7828] ? legacy_get_tree+0x103/0x1f0 [ 70.510285][ T7828] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 70.516675][ T7828] idr_get_free+0x35d/0x880 [ 70.521155][ T7828] ? mark_held_locks+0x130/0x130 [ 70.526077][ T7828] idr_alloc_u32+0x13a/0x330 [ 70.530638][ T7828] ? __radix_tree_preload+0xc1/0x230 [ 70.535907][ T7828] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 70.541419][ T7828] ? lock_acquire+0x209/0x9e0 [ 70.546068][ T7828] ? __kasan_check_write+0x14/0x20 [ 70.551147][ T7828] ? do_raw_spin_lock+0x132/0x2e0 [ 70.556140][ T7828] idr_alloc+0x7d/0xc0 [ 70.560177][ T7828] ? idr_alloc_u32+0x330/0x330 [ 70.564915][ T7828] p9_client_prepare_req.part.5+0x571/0x670 [ 70.570799][ T7828] p9_client_rpc+0x174/0xe50 [ 70.575367][ T7828] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.581410][ T7828] ? p9_pollwait+0x182/0x210 [ 70.585981][ T7828] ? pipe_poll+0xc8/0x6b0 [ 70.590288][ T7828] ? ksys_dup3+0x2e0/0x2e0 [ 70.594682][ T7828] ? p9_fd_poll+0x19b/0x2a0 [ 70.599162][ T7828] ? p9_conn_create+0x3a5/0x4f0 [ 70.603984][ T7828] ? p9_conn_create+0x4f0/0x4f0 [ 70.608810][ T7828] p9_client_create+0x7fb/0x10f0 [ 70.613738][ T7828] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.619775][ T7828] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.625289][ T7828] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.631331][ T7828] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.637115][ T7828] ? lockdep_init_map_waits+0x270/0x870 [ 70.642639][ T7828] v9fs_session_init+0x1ed/0x14c0 [ 70.647630][ T7828] ? v9fs_session_init+0x1ed/0x14c0 [ 70.652799][ T7828] ? find_held_lock+0x36/0x1d0 [ 70.657540][ T7828] ? v9fs_show_options+0x6c0/0x6c0 [ 70.662621][ T7828] ? __kasan_check_read+0x11/0x20 [ 70.667617][ T7828] ? v9fs_mount+0x55/0x7f0 [ 70.672003][ T7828] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.677517][ T7828] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.683567][ T7828] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.689354][ T7828] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.694869][ T7828] ? apparmor_task_alloc+0x2f0/0x2f0 [ 70.700126][ T7828] v9fs_mount+0x72/0x7f0 [ 70.704338][ T7828] ? v9fs_write_inode+0x50/0x50 [ 70.709159][ T7828] legacy_get_tree+0x103/0x1f0 [ 70.713895][ T7828] vfs_get_tree+0x8b/0x2d0 [ 70.718282][ T7828] ? capable+0x14/0x20 [ 70.722326][ T7828] do_mount+0x1272/0x1c30 [ 70.726623][ T7828] ? lock_downgrade+0x960/0x960 [ 70.731445][ T7828] ? copy_mount_string+0x20/0x20 [ 70.736358][ T7828] ? __kasan_check_write+0x14/0x20 [ 70.741437][ T7828] ? _copy_from_user+0xc5/0x110 [ 70.746260][ T7828] __x64_sys_mount+0x169/0x1c0 [ 70.750999][ T7828] do_syscall_64+0xd0/0x630 [ 70.755475][ T7828] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 70.761336][ T7828] RIP: 0033:0x458da9 [ 70.765204][ T7828] 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 [ 70.784777][ T7828] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.793156][ T7828] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 70.801107][ T7828] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 70.809049][ T7828] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 70.817001][ T7828] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 70.824941][ T7828] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 70.832903][ T7846] CPU: 1 PID: 7846 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 70.841474][ T7846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.851514][ T7846] Call Trace: [ 70.854796][ T7846] dump_stack+0x12d/0x187 [ 70.859120][ T7846] should_fail.cold.4+0x5/0x13 [ 70.863873][ T7846] ? fault_create_debugfs_attr+0x150/0x150 [ 70.869666][ T7846] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 70.876240][ T7846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.881780][ T7846] __should_failslab+0xba/0xf0 [ 70.886538][ T7846] should_failslab+0x9/0x14 [ 70.891027][ T7846] kmem_cache_alloc+0x47/0x760 [ 70.895774][ T7846] ? __kasan_check_read+0x11/0x20 [ 70.900793][ T7846] ? mark_lock+0xbf/0x630 [ 70.905107][ T7846] ? legacy_get_tree+0x103/0x1f0 [ 70.910034][ T7846] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 70.916436][ T7846] idr_get_free+0x35d/0x880 [ 70.920938][ T7846] idr_alloc_u32+0x13a/0x330 [ 70.925530][ T7846] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 70.931060][ T7846] ? lock_acquire+0x209/0x9e0 [ 70.935723][ T7846] ? __kasan_check_write+0x14/0x20 [ 70.940823][ T7846] ? do_raw_spin_lock+0x132/0x2e0 [ 70.945838][ T7846] idr_alloc+0x7d/0xc0 [ 70.949901][ T7846] ? idr_alloc_u32+0x330/0x330 [ 70.954662][ T7846] p9_client_prepare_req.part.5+0x571/0x670 [ 70.960546][ T7846] p9_client_rpc+0x174/0xe50 [ 70.965161][ T7846] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.971215][ T7846] ? p9_pollwait+0x182/0x210 [ 70.975799][ T7846] ? pipe_poll+0xc8/0x6b0 [ 70.980116][ T7846] ? ksys_dup3+0x2e0/0x2e0 [ 70.984521][ T7846] ? p9_fd_poll+0x19b/0x2a0 [ 70.989013][ T7846] ? p9_conn_create+0x3a5/0x4f0 [ 70.993853][ T7846] ? p9_conn_create+0x4f0/0x4f0 [ 70.998701][ T7846] p9_client_create+0x7fb/0x10f0 [ 71.003671][ T7846] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 71.009706][ T7846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.015219][ T7846] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.021253][ T7846] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.027031][ T7846] ? lockdep_init_map_waits+0x270/0x870 [ 71.032561][ T7846] v9fs_session_init+0x1ed/0x14c0 [ 71.037560][ T7846] ? v9fs_session_init+0x1ed/0x14c0 [ 71.042729][ T7846] ? find_held_lock+0x36/0x1d0 [ 71.047461][ T7846] ? v9fs_show_options+0x6c0/0x6c0 [ 71.052536][ T7846] ? __kasan_check_read+0x11/0x20 [ 71.057528][ T7846] ? v9fs_mount+0x55/0x7f0 [ 71.061923][ T7846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.067433][ T7846] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.073475][ T7846] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.079249][ T7846] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.084761][ T7846] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.090016][ T7846] v9fs_mount+0x72/0x7f0 [ 71.094224][ T7846] ? v9fs_write_inode+0x50/0x50 [ 71.099038][ T7846] legacy_get_tree+0x103/0x1f0 [ 71.103773][ T7846] vfs_get_tree+0x8b/0x2d0 [ 71.108160][ T7846] ? capable+0x14/0x20 [ 71.112195][ T7846] do_mount+0x1272/0x1c30 [ 71.116504][ T7846] ? lock_downgrade+0x960/0x960 [ 71.121324][ T7846] ? copy_mount_string+0x20/0x20 [ 71.126238][ T7846] ? __kasan_check_write+0x14/0x20 [ 71.131315][ T7846] ? _copy_from_user+0xc5/0x110 [ 71.136139][ T7846] __x64_sys_mount+0x169/0x1c0 [ 71.140878][ T7846] do_syscall_64+0xd0/0x630 [ 71.145352][ T7846] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 71.151209][ T7846] RIP: 0033:0x458da9 [ 71.155085][ T7846] 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 [ 71.174694][ T7846] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2020/04/21 09:24:27 executed programs: 52 [ 71.183069][ T7846] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 71.191008][ T7846] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 71.198945][ T7846] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 71.206884][ T7846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 71.214851][ T7846] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 71.281538][ T7857] FAULT_INJECTION: forcing a failure. [ 71.281538][ T7857] name failslab, interval 1, probability 0, space 0, times 0 [ 71.290076][ T7859] FAULT_INJECTION: forcing a failure. [ 71.290076][ T7859] name failslab, interval 1, probability 0, space 0, times 0 [ 71.294161][ T7857] CPU: 1 PID: 7857 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 71.315266][ T7857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.325291][ T7857] Call Trace: [ 71.328553][ T7857] dump_stack+0x12d/0x187 [ 71.332856][ T7857] should_fail.cold.4+0x5/0x13 [ 71.337602][ T7857] ? fault_create_debugfs_attr+0x150/0x150 [ 71.343377][ T7857] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 71.349936][ T7857] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.355453][ T7857] __should_failslab+0xba/0xf0 [ 71.360203][ T7857] should_failslab+0x9/0x14 [ 71.364675][ T7857] kmem_cache_alloc+0x47/0x760 [ 71.369406][ T7857] ? __kasan_check_read+0x11/0x20 [ 71.374399][ T7857] ? mark_lock+0xbf/0x630 [ 71.378699][ T7857] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 71.385086][ T7857] idr_get_free+0x35d/0x880 [ 71.389567][ T7857] idr_alloc_u32+0x13a/0x330 [ 71.394127][ T7857] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 71.399652][ T7857] ? lock_acquire+0x209/0x9e0 [ 71.404327][ T7857] ? __kasan_check_write+0x14/0x20 [ 71.409411][ T7857] ? do_raw_spin_lock+0x132/0x2e0 [ 71.414409][ T7857] idr_alloc+0x7d/0xc0 [ 71.418449][ T7857] ? idr_alloc_u32+0x330/0x330 [ 71.423191][ T7857] p9_client_prepare_req.part.5+0x571/0x670 [ 71.429058][ T7857] p9_client_rpc+0x174/0xe50 [ 71.433635][ T7857] ? p9_client_prepare_req.part.5+0x670/0x670 [ 71.439677][ T7857] ? p9_pollwait+0x182/0x210 [ 71.444247][ T7857] ? pipe_poll+0xc8/0x6b0 [ 71.448546][ T7857] ? ksys_dup3+0x2e0/0x2e0 [ 71.452946][ T7857] ? p9_fd_poll+0x19b/0x2a0 [ 71.457418][ T7857] ? p9_conn_create+0x3a5/0x4f0 [ 71.462245][ T7857] ? p9_conn_create+0x4f0/0x4f0 [ 71.467069][ T7857] p9_client_create+0x7fb/0x10f0 [ 71.471981][ T7857] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 71.478017][ T7857] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.483533][ T7857] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.489567][ T7857] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.495348][ T7857] ? lockdep_init_map_waits+0x270/0x870 [ 71.500873][ T7857] v9fs_session_init+0x1ed/0x14c0 [ 71.505865][ T7857] ? v9fs_session_init+0x1ed/0x14c0 [ 71.511036][ T7857] ? find_held_lock+0x36/0x1d0 [ 71.515778][ T7857] ? v9fs_show_options+0x6c0/0x6c0 [ 71.520856][ T7857] ? __kasan_check_read+0x11/0x20 [ 71.525852][ T7857] ? v9fs_mount+0x55/0x7f0 [ 71.530245][ T7857] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.535760][ T7857] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.541796][ T7857] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.547573][ T7857] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.553089][ T7857] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.558344][ T7857] v9fs_mount+0x72/0x7f0 [ 71.562559][ T7857] ? v9fs_write_inode+0x50/0x50 [ 71.567417][ T7857] legacy_get_tree+0x103/0x1f0 [ 71.572181][ T7857] vfs_get_tree+0x8b/0x2d0 [ 71.576572][ T7857] ? capable+0x14/0x20 [ 71.580620][ T7857] do_mount+0x1272/0x1c30 [ 71.584934][ T7857] ? lock_downgrade+0x960/0x960 [ 71.589782][ T7857] ? copy_mount_string+0x20/0x20 [ 71.594699][ T7857] ? __kasan_check_write+0x14/0x20 [ 71.599781][ T7857] ? _copy_from_user+0xc5/0x110 [ 71.604606][ T7857] __x64_sys_mount+0x169/0x1c0 [ 71.609357][ T7857] do_syscall_64+0xd0/0x630 [ 71.613849][ T7857] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 71.619715][ T7857] RIP: 0033:0x458da9 [ 71.623587][ T7857] 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 [ 71.643165][ T7857] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.651551][ T7857] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 71.659495][ T7857] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 71.667435][ T7857] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 71.675376][ T7857] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 71.683324][ T7857] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 71.691285][ T7859] CPU: 0 PID: 7859 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 71.698394][ T7858] FAULT_INJECTION: forcing a failure. [ 71.698394][ T7858] name failslab, interval 1, probability 0, space 0, times 0 [ 71.699874][ T7859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.722442][ T7859] Call Trace: [ 71.725701][ T7859] dump_stack+0x12d/0x187 [ 71.730006][ T7859] should_fail.cold.4+0x5/0x13 [ 71.734749][ T7859] ? stack_trace_save+0x82/0xb0 [ 71.739581][ T7859] ? fault_create_debugfs_attr+0x150/0x150 [ 71.745361][ T7859] __should_failslab+0xba/0xf0 [ 71.750095][ T7859] should_failslab+0x9/0x14 [ 71.754569][ T7859] kmem_cache_alloc+0x47/0x760 [ 71.759303][ T7859] ? __kasan_check_read+0x11/0x20 [ 71.764297][ T7859] ? mark_lock+0xbf/0x630 [ 71.768592][ T7859] ? mark_held_locks+0x130/0x130 [ 71.773500][ T7859] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 71.779885][ T7859] idr_get_free+0x35d/0x880 [ 71.784362][ T7859] ? mark_held_locks+0x130/0x130 [ 71.789271][ T7859] idr_alloc_u32+0x13a/0x330 [ 71.793833][ T7859] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 71.799345][ T7859] ? lock_acquire+0x209/0x9e0 [ 71.804000][ T7859] ? __kasan_check_write+0x14/0x20 [ 71.809081][ T7859] ? do_raw_spin_lock+0x132/0x2e0 [ 71.814077][ T7859] idr_alloc+0x7d/0xc0 [ 71.818114][ T7859] ? idr_alloc_u32+0x330/0x330 [ 71.822853][ T7859] p9_client_prepare_req.part.5+0x571/0x670 [ 71.828716][ T7859] p9_client_rpc+0x174/0xe50 [ 71.833278][ T7859] ? p9_client_prepare_req.part.5+0x670/0x670 [ 71.839314][ T7859] ? p9_pollwait+0x182/0x210 [ 71.843876][ T7859] ? pipe_poll+0xc8/0x6b0 [ 71.848176][ T7859] ? ksys_dup3+0x2e0/0x2e0 [ 71.852574][ T7859] ? p9_fd_poll+0x19b/0x2a0 [ 71.857049][ T7859] ? p9_conn_create+0x3a5/0x4f0 [ 71.861872][ T7859] ? p9_conn_create+0x4f0/0x4f0 [ 71.866697][ T7859] p9_client_create+0x7fb/0x10f0 [ 71.871614][ T7859] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 71.877649][ T7859] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.883167][ T7859] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.889199][ T7859] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.894977][ T7859] ? lockdep_init_map_waits+0x270/0x870 [ 71.900498][ T7859] v9fs_session_init+0x1ed/0x14c0 [ 71.905490][ T7859] ? v9fs_session_init+0x1ed/0x14c0 [ 71.910660][ T7859] ? find_held_lock+0x36/0x1d0 [ 71.915396][ T7859] ? v9fs_show_options+0x6c0/0x6c0 [ 71.920475][ T7859] ? __kasan_check_read+0x11/0x20 [ 71.925471][ T7859] ? v9fs_mount+0x55/0x7f0 [ 71.929855][ T7859] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.935372][ T7859] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.941416][ T7859] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.947193][ T7859] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.952718][ T7859] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.957975][ T7859] v9fs_mount+0x72/0x7f0 [ 71.962191][ T7859] ? v9fs_write_inode+0x50/0x50 [ 71.967010][ T7859] legacy_get_tree+0x103/0x1f0 [ 71.971745][ T7859] vfs_get_tree+0x8b/0x2d0 [ 71.976130][ T7859] ? capable+0x14/0x20 [ 71.980170][ T7859] do_mount+0x1272/0x1c30 [ 71.984466][ T7859] ? lock_downgrade+0x960/0x960 [ 71.989289][ T7859] ? copy_mount_string+0x20/0x20 [ 71.994212][ T7859] ? __kasan_check_write+0x14/0x20 [ 71.999291][ T7859] ? _copy_from_user+0xc5/0x110 [ 72.004117][ T7859] __x64_sys_mount+0x169/0x1c0 [ 72.008852][ T7859] do_syscall_64+0xd0/0x630 [ 72.013339][ T7859] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 72.019198][ T7859] RIP: 0033:0x458da9 [ 72.023064][ 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 [ 72.042639][ T7859] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.051021][ T7859] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 72.058970][ T7859] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.066914][ T7859] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.074856][ T7859] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 72.082797][ T7859] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.090758][ T7858] CPU: 1 PID: 7858 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 72.099325][ T7858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.104160][ T7865] FAULT_INJECTION: forcing a failure. [ 72.104160][ T7865] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.109362][ T7858] Call Trace: [ 72.125771][ T7858] dump_stack+0x12d/0x187 [ 72.130075][ T7858] should_fail.cold.4+0x5/0x13 [ 72.134809][ T7858] ? fault_create_debugfs_attr+0x150/0x150 [ 72.140586][ T7858] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 72.147155][ T7858] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.152674][ T7858] __should_failslab+0xba/0xf0 [ 72.157408][ T7858] should_failslab+0x9/0x14 [ 72.161879][ T7858] kmem_cache_alloc+0x47/0x760 [ 72.166610][ T7858] ? __kasan_check_read+0x11/0x20 [ 72.171602][ T7858] ? mark_lock+0xbf/0x630 [ 72.175901][ T7858] ? mark_held_locks+0x130/0x130 [ 72.180809][ T7858] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 72.187195][ T7858] idr_get_free+0x35d/0x880 [ 72.191676][ T7858] idr_alloc_u32+0x13a/0x330 [ 72.196239][ T7858] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 72.201755][ T7858] ? lock_acquire+0x209/0x9e0 [ 72.206405][ T7858] ? __kasan_check_write+0x14/0x20 [ 72.211484][ T7858] ? do_raw_spin_lock+0x132/0x2e0 [ 72.216479][ T7858] idr_alloc+0x7d/0xc0 [ 72.220516][ T7858] ? idr_alloc_u32+0x330/0x330 [ 72.225256][ T7858] p9_client_prepare_req.part.5+0x571/0x670 [ 72.231123][ T7858] p9_client_rpc+0x174/0xe50 [ 72.235701][ T7858] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.241752][ T7858] ? p9_pollwait+0x182/0x210 [ 72.246324][ T7858] ? pipe_poll+0xc8/0x6b0 [ 72.250625][ T7858] ? ksys_dup3+0x2e0/0x2e0 [ 72.255014][ T7858] ? p9_fd_poll+0x19b/0x2a0 [ 72.259488][ T7858] ? p9_conn_create+0x3a5/0x4f0 [ 72.264309][ T7858] ? p9_conn_create+0x4f0/0x4f0 [ 72.269145][ T7858] p9_client_create+0x7fb/0x10f0 [ 72.274061][ T7858] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.280105][ T7858] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.285625][ T7858] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.291661][ T7858] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.297445][ T7858] ? lockdep_init_map_waits+0x270/0x870 [ 72.302968][ T7858] v9fs_session_init+0x1ed/0x14c0 [ 72.307964][ T7858] ? v9fs_session_init+0x1ed/0x14c0 [ 72.313141][ T7858] ? find_held_lock+0x36/0x1d0 [ 72.317892][ T7858] ? v9fs_show_options+0x6c0/0x6c0 [ 72.322974][ T7858] ? __kasan_check_read+0x11/0x20 [ 72.327982][ T7858] ? v9fs_mount+0x55/0x7f0 [ 72.332370][ T7858] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.337883][ T7858] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.343928][ T7858] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.349708][ T7858] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.355228][ T7858] ? apparmor_task_alloc+0x2f0/0x2f0 [ 72.360491][ T7858] v9fs_mount+0x72/0x7f0 [ 72.364708][ T7858] ? v9fs_write_inode+0x50/0x50 [ 72.369530][ T7858] legacy_get_tree+0x103/0x1f0 [ 72.374279][ T7858] vfs_get_tree+0x8b/0x2d0 [ 72.378671][ T7858] ? capable+0x14/0x20 [ 72.382712][ T7858] do_mount+0x1272/0x1c30 [ 72.387009][ T7858] ? lock_downgrade+0x960/0x960 [ 72.391833][ T7858] ? copy_mount_string+0x20/0x20 [ 72.396744][ T7858] ? __kasan_check_write+0x14/0x20 [ 72.401825][ T7858] ? _copy_from_user+0xc5/0x110 [ 72.406650][ T7858] __x64_sys_mount+0x169/0x1c0 [ 72.411408][ T7858] do_syscall_64+0xd0/0x630 [ 72.415891][ T7858] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 72.421757][ T7858] RIP: 0033:0x458da9 [ 72.425630][ T7858] 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 [ 72.445472][ T7858] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.453867][ T7858] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 72.461818][ T7858] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.469785][ T7858] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.477746][ T7858] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 72.485714][ T7858] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.493681][ T7865] CPU: 0 PID: 7865 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 72.494108][ T27] audit: type=1804 audit(1587461068.736:7): pid=7865 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir986738189/syzkaller.iMDzi6/8/file0" dev="sda1" ino=15826 res=1 [ 72.502246][ T7865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.502250][ T7865] Call Trace: [ 72.502263][ T7865] dump_stack+0x12d/0x187 [ 72.502279][ T7865] should_fail.cold.4+0x5/0x13 [ 72.547228][ T7865] ? do_mount+0x1272/0x1c30 [ 72.551719][ T7865] ? fault_create_debugfs_attr+0x150/0x150 [ 72.557511][ T7865] ? find_held_lock+0x36/0x1d0 [ 72.562262][ T7865] should_fail_alloc_page+0x50/0x60 [ 72.567463][ T7865] __alloc_pages_nodemask+0x17f/0x880 [ 72.572813][ T7865] ? cache_grow_end+0xab/0x190 [ 72.577580][ T7865] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 72.584507][ T7865] ? do_raw_spin_lock+0x132/0x2e0 [ 72.589528][ T7865] cache_grow_begin+0x92/0xc70 [ 72.594273][ T7865] ? __kmalloc+0xc5/0x7a0 [ 72.598584][ T7865] ? trace_hardirqs_off+0x41/0x1a0 [ 72.603680][ T7865] __kmalloc+0x6d3/0x7a0 [ 72.607916][ T7865] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 72.613186][ T7865] p9_fcall_init.isra.2+0x55/0x1c0 [ 72.618286][ T7865] p9_client_prepare_req.part.5+0x116/0x670 [ 72.624165][ T7865] p9_client_rpc+0x174/0xe50 [ 72.628736][ T7865] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 72.634527][ T7865] ? __debug_object_init+0x4fc/0x10f0 [ 72.639877][ T7865] ? __kasan_check_read+0x11/0x20 [ 72.644903][ T7865] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.650954][ T7865] ? free_object+0x70/0x70 [ 72.655351][ T7865] ? ksys_dup3+0x2e0/0x2e0 [ 72.659747][ T7865] ? lockdep_init_map_waits+0x270/0x870 [ 72.665270][ T7865] ? __kasan_check_write+0x14/0x20 [ 72.670363][ T7865] ? p9_conn_create+0x3ce/0x4f0 [ 72.675214][ T7865] ? p9_conn_create+0x4f0/0x4f0 [ 72.680051][ T7865] p9_client_create+0x7fb/0x10f0 [ 72.684976][ T7865] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.691025][ T7865] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.696549][ T7865] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.702601][ T7865] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.708393][ T7865] ? lockdep_init_map_waits+0x270/0x870 [ 72.713927][ T7865] v9fs_session_init+0x1ed/0x14c0 [ 72.718933][ T7865] ? v9fs_session_init+0x1ed/0x14c0 [ 72.724113][ T7865] ? find_held_lock+0x36/0x1d0 [ 72.728864][ T7865] ? v9fs_show_options+0x6c0/0x6c0 [ 72.733951][ T7865] ? __kasan_check_read+0x11/0x20 [ 72.738958][ T7865] ? v9fs_mount+0x55/0x7f0 [ 72.743352][ T7865] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.748891][ T7865] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.754932][ T7865] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.760724][ T7865] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.766251][ T7865] ? apparmor_task_alloc+0x2f0/0x2f0 [ 72.771519][ T7865] v9fs_mount+0x72/0x7f0 [ 72.775749][ T7865] ? v9fs_write_inode+0x50/0x50 [ 72.780756][ T7865] legacy_get_tree+0x103/0x1f0 [ 72.785501][ T7865] vfs_get_tree+0x8b/0x2d0 [ 72.789896][ T7865] ? capable+0x14/0x20 [ 72.793945][ T7865] do_mount+0x1272/0x1c30 [ 72.798250][ T7865] ? lock_downgrade+0x960/0x960 [ 72.803081][ T7865] ? copy_mount_string+0x20/0x20 [ 72.808005][ T7865] ? __kasan_check_write+0x14/0x20 [ 72.813096][ T7865] ? _copy_from_user+0xc5/0x110 [ 72.817932][ T7865] __x64_sys_mount+0x169/0x1c0 [ 72.822677][ T7865] do_syscall_64+0xd0/0x630 [ 72.827163][ T7865] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 72.833034][ T7865] RIP: 0033:0x458da9 [ 72.836911][ T7865] 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 [ 72.856591][ T7865] RSP: 002b:00007f5bc41e0c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.864983][ T7865] RAX: ffffffffffffffda RBX: 00007f5bc41e0c90 RCX: 0000000000458da9 [ 72.872935][ T7865] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.880888][ T7865] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 72.888838][ T7865] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc41e16d4 [ 72.896788][ T7865] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.914201][ T7861] FAULT_INJECTION: forcing a failure. [ 72.914201][ T7861] name failslab, interval 1, probability 0, space 0, times 0 [ 72.959774][ T7861] CPU: 1 PID: 7861 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 72.968375][ T7861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.978417][ T7861] Call Trace: [ 72.981694][ T7861] dump_stack+0x12d/0x187 [ 72.986023][ T7861] should_fail.cold.4+0x5/0x13 [ 72.990780][ T7861] ? fault_create_debugfs_attr+0x150/0x150 [ 72.996573][ T7861] ? ___might_sleep+0x16b/0x2b0 [ 73.001415][ T7861] __should_failslab+0xba/0xf0 [ 73.006166][ T7861] should_failslab+0x9/0x14 [ 73.010657][ T7861] kmem_cache_alloc+0x2ba/0x760 [ 73.015492][ T7861] ? __kmalloc+0x623/0x7a0 [ 73.019900][ T7861] ? lockdep_init_map_waits+0x270/0x870 [ 73.025434][ T7861] __radix_tree_preload+0xc1/0x230 [ 73.030536][ T7861] idr_preload+0xe/0x20 [ 73.034680][ T7861] p9_client_prepare_req.part.5+0x216/0x670 [ 73.040566][ T7861] p9_client_rpc+0x174/0xe50 [ 73.045146][ T7861] ? p9_client_prepare_req.part.5+0x670/0x670 [ 73.051225][ T7861] ? p9_pollwait+0x182/0x210 [ 73.055803][ T7861] ? pipe_poll+0xc8/0x6b0 [ 73.060116][ T7861] ? ksys_dup3+0x2e0/0x2e0 [ 73.064520][ T7861] ? p9_fd_poll+0x19b/0x2a0 [ 73.069024][ T7861] ? p9_conn_create+0x3a5/0x4f0 [ 73.073865][ T7861] ? p9_conn_create+0x4f0/0x4f0 [ 73.080792][ T7861] p9_client_create+0x7fb/0x10f0 [ 73.085722][ T7861] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 73.091769][ T7861] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.097293][ T7861] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.103335][ T7861] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.109132][ T7861] ? lockdep_init_map_waits+0x270/0x870 [ 73.114671][ T7861] v9fs_session_init+0x1ed/0x14c0 [ 73.119676][ T7861] ? v9fs_session_init+0x1ed/0x14c0 [ 73.124856][ T7861] ? find_held_lock+0x36/0x1d0 [ 73.129604][ T7861] ? v9fs_show_options+0x6c0/0x6c0 [ 73.134695][ T7861] ? __kasan_check_read+0x11/0x20 [ 73.139704][ T7861] ? v9fs_mount+0x55/0x7f0 [ 73.144098][ T7861] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.149619][ T7861] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.155662][ T7861] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.161501][ T7861] ? kmem_cache_alloc_trace+0x39e/0x780 [ 73.167035][ T7861] ? apparmor_task_alloc+0x2f0/0x2f0 [ 73.172304][ T7861] v9fs_mount+0x72/0x7f0 [ 73.176530][ T7861] ? v9fs_write_inode+0x50/0x50 [ 73.181360][ T7861] legacy_get_tree+0x103/0x1f0 [ 73.186107][ T7861] vfs_get_tree+0x8b/0x2d0 [ 73.190507][ T7861] ? capable+0x14/0x20 [ 73.194561][ T7861] do_mount+0x1272/0x1c30 [ 73.198867][ T7861] ? lock_downgrade+0x960/0x960 [ 73.203725][ T7861] ? copy_mount_string+0x20/0x20 [ 73.208649][ T7861] ? __kasan_check_write+0x14/0x20 [ 73.213741][ T7861] ? _copy_from_user+0xc5/0x110 [ 73.218575][ T7861] __x64_sys_mount+0x169/0x1c0 [ 73.223336][ T7861] do_syscall_64+0xd0/0x630 [ 73.227820][ T7861] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 73.233688][ T7861] RIP: 0033:0x458da9 [ 73.237561][ T7861] 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 [ 73.257143][ T7861] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.265533][ T7861] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 73.273484][ T7861] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 73.281436][ T7861] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 73.289388][ T7861] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 73.297336][ T7861] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 73.680183][ T7877] FAULT_INJECTION: forcing a failure. [ 73.680183][ T7877] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.693474][ T7877] CPU: 1 PID: 7877 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 73.702050][ T7877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.712090][ T7877] Call Trace: [ 73.715365][ T7877] dump_stack+0x12d/0x187 [ 73.719679][ T7877] should_fail.cold.4+0x5/0x13 [ 73.724423][ T7877] ? do_mount+0x1272/0x1c30 [ 73.728907][ T7877] ? fault_create_debugfs_attr+0x150/0x150 [ 73.734787][ T7877] ? find_held_lock+0x36/0x1d0 [ 73.739534][ T7877] should_fail_alloc_page+0x50/0x60 [ 73.744731][ T7877] __alloc_pages_nodemask+0x17f/0x880 [ 73.750080][ T7877] ? cache_grow_end+0xab/0x190 [ 73.754823][ T7877] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 73.761734][ T7877] ? do_raw_spin_lock+0x132/0x2e0 [ 73.766768][ T7877] cache_grow_begin+0x92/0xc70 [ 73.772550][ T7877] ? __kmalloc+0xc5/0x7a0 [ 73.776859][ T7877] ? trace_hardirqs_off+0x41/0x1a0 [ 73.781950][ T7877] __kmalloc+0x6d3/0x7a0 [ 73.786176][ T7877] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 73.791442][ T7877] p9_fcall_init.isra.2+0x55/0x1c0 [ 73.796536][ T7877] p9_client_prepare_req.part.5+0x116/0x670 [ 73.802410][ T7877] p9_client_rpc+0x174/0xe50 [ 73.806983][ T7877] ? p9_client_prepare_req.part.5+0x670/0x670 [ 73.813032][ T7877] ? p9_pollwait+0x182/0x210 [ 73.817604][ T7877] ? pipe_poll+0xc8/0x6b0 [ 73.821913][ T7877] ? ksys_dup3+0x2e0/0x2e0 [ 73.826309][ T7877] ? p9_fd_poll+0x19b/0x2a0 [ 73.830792][ T7877] ? p9_conn_create+0x3a5/0x4f0 [ 73.835627][ T7877] ? p9_conn_create+0x4f0/0x4f0 [ 73.840463][ T7877] p9_client_create+0x7fb/0x10f0 [ 73.845386][ T7877] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 73.851431][ T7877] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.856960][ T7877] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.863001][ T7877] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.868796][ T7877] ? lockdep_init_map_waits+0x270/0x870 [ 73.874329][ T7877] v9fs_session_init+0x1ed/0x14c0 [ 73.880548][ T7877] ? v9fs_session_init+0x1ed/0x14c0 [ 73.885728][ T7877] ? find_held_lock+0x36/0x1d0 [ 73.890478][ T7877] ? v9fs_show_options+0x6c0/0x6c0 [ 73.895564][ T7877] ? __kasan_check_read+0x11/0x20 [ 73.900569][ T7877] ? v9fs_mount+0x55/0x7f0 [ 73.904964][ T7877] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.910489][ T7877] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.916531][ T7877] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.922321][ T7877] ? kmem_cache_alloc_trace+0x39e/0x780 [ 73.927846][ T7877] ? apparmor_task_alloc+0x2f0/0x2f0 [ 73.933113][ T7877] v9fs_mount+0x72/0x7f0 [ 73.937336][ T7877] ? v9fs_write_inode+0x50/0x50 [ 73.942174][ T7877] legacy_get_tree+0x103/0x1f0 [ 73.946922][ T7877] vfs_get_tree+0x8b/0x2d0 [ 73.951317][ T7877] ? capable+0x14/0x20 [ 73.955365][ T7877] do_mount+0x1272/0x1c30 [ 73.959671][ T7877] ? lock_downgrade+0x960/0x960 [ 73.964502][ T7877] ? copy_mount_string+0x20/0x20 [ 73.969427][ T7877] ? __kasan_check_write+0x14/0x20 [ 73.974516][ T7877] ? _copy_from_user+0xc5/0x110 [ 73.979348][ T7877] __x64_sys_mount+0x169/0x1c0 [ 73.984093][ T7877] do_syscall_64+0xd0/0x630 [ 73.988576][ T7877] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 73.994444][ T7877] RIP: 0033:0x458da9 [ 73.998316][ 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 [ 74.017896][ T7877] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.026283][ T7877] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 74.034234][ T7877] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.042183][ T7877] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.050139][ T7877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 74.058088][ T7877] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.078536][ T7878] FAULT_INJECTION: forcing a failure. [ 74.078536][ T7878] name failslab, interval 1, probability 0, space 0, times 0 [ 74.091115][ T7878] CPU: 0 PID: 7878 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 74.099695][ T7878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.109740][ T7878] Call Trace: [ 74.113025][ T7878] dump_stack+0x12d/0x187 [ 74.117352][ T7878] should_fail.cold.4+0x5/0x13 [ 74.122101][ T7878] ? stack_trace_save+0x82/0xb0 [ 74.126935][ T7878] ? fault_create_debugfs_attr+0x150/0x150 [ 74.132715][ T7878] __should_failslab+0xba/0xf0 [ 74.137462][ T7878] should_failslab+0x9/0x14 [ 74.141934][ T7878] kmem_cache_alloc+0x47/0x760 [ 74.146675][ T7878] ? __kasan_check_read+0x11/0x20 [ 74.151667][ T7878] ? mark_lock+0xbf/0x630 [ 74.155962][ T7878] ? mark_held_locks+0x130/0x130 [ 74.160869][ T7878] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 74.167263][ T7878] idr_get_free+0x35d/0x880 [ 74.171736][ T7878] ? mark_held_locks+0x130/0x130 [ 74.176640][ T7878] idr_alloc_u32+0x13a/0x330 [ 74.181210][ T7878] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 74.186727][ T7878] ? lock_acquire+0x209/0x9e0 [ 74.191372][ T7878] ? __kasan_check_write+0x14/0x20 [ 74.196458][ T7878] ? do_raw_spin_lock+0x132/0x2e0 [ 74.201458][ T7878] idr_alloc+0x7d/0xc0 [ 74.205497][ T7878] ? idr_alloc_u32+0x330/0x330 [ 74.210233][ T7878] p9_client_prepare_req.part.5+0x571/0x670 [ 74.216093][ T7878] p9_client_rpc+0x174/0xe50 [ 74.220661][ T7878] ? p9_client_prepare_req.part.5+0x670/0x670 [ 74.226697][ T7878] ? p9_pollwait+0x182/0x210 [ 74.231256][ T7878] ? pipe_poll+0xc8/0x6b0 [ 74.235554][ T7878] ? ksys_dup3+0x2e0/0x2e0 [ 74.239949][ T7878] ? p9_fd_poll+0x19b/0x2a0 [ 74.244420][ T7878] ? p9_conn_create+0x3a5/0x4f0 [ 74.249239][ T7878] ? p9_conn_create+0x4f0/0x4f0 [ 74.254059][ T7878] p9_client_create+0x7fb/0x10f0 [ 74.258969][ T7878] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 74.265004][ T7878] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.270515][ T7878] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.276546][ T7878] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.282323][ T7878] ? lockdep_init_map_waits+0x270/0x870 [ 74.287843][ T7878] v9fs_session_init+0x1ed/0x14c0 [ 74.292833][ T7878] ? v9fs_session_init+0x1ed/0x14c0 [ 74.298001][ T7878] ? find_held_lock+0x36/0x1d0 [ 74.302745][ T7878] ? v9fs_show_options+0x6c0/0x6c0 [ 74.307820][ T7878] ? __kasan_check_read+0x11/0x20 [ 74.312829][ T7878] ? v9fs_mount+0x55/0x7f0 [ 74.317213][ T7878] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.322724][ T7878] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.328774][ T7878] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.334560][ T7878] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.340073][ T7878] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.345337][ T7878] v9fs_mount+0x72/0x7f0 [ 74.349549][ T7878] ? v9fs_write_inode+0x50/0x50 [ 74.354375][ T7878] legacy_get_tree+0x103/0x1f0 [ 74.359133][ T7878] vfs_get_tree+0x8b/0x2d0 [ 74.363523][ T7878] ? capable+0x14/0x20 [ 74.368438][ T7878] do_mount+0x1272/0x1c30 [ 74.372733][ T7878] ? lock_downgrade+0x960/0x960 [ 74.377553][ T7878] ? copy_mount_string+0x20/0x20 [ 74.382462][ T7878] ? __kasan_check_write+0x14/0x20 [ 74.387544][ T7878] ? _copy_from_user+0xc5/0x110 [ 74.392363][ T7878] __x64_sys_mount+0x169/0x1c0 [ 74.397100][ T7878] do_syscall_64+0xd0/0x630 [ 74.401589][ T7878] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 74.407451][ T7878] RIP: 0033:0x458da9 [ 74.411336][ T7878] 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 [ 74.430910][ T7878] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.439297][ T7878] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 74.447238][ T7878] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.455183][ T7878] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.463125][ T7878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 74.471065][ T7878] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.530398][ T7887] FAULT_INJECTION: forcing a failure. [ 74.530398][ T7887] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.543593][ T7887] CPU: 0 PID: 7887 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 74.552167][ T7887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.562210][ T7887] Call Trace: [ 74.565486][ T7887] dump_stack+0x12d/0x187 [ 74.569807][ T7887] should_fail.cold.4+0x5/0x13 [ 74.574555][ T7887] ? do_mount+0x1272/0x1c30 [ 74.579043][ T7887] ? fault_create_debugfs_attr+0x150/0x150 [ 74.584842][ T7887] ? find_held_lock+0x36/0x1d0 [ 74.589597][ T7887] should_fail_alloc_page+0x50/0x60 [ 74.594784][ T7887] __alloc_pages_nodemask+0x17f/0x880 [ 74.600143][ T7887] ? cache_grow_end+0xab/0x190 [ 74.604892][ T7887] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 74.611817][ T7887] ? do_raw_spin_lock+0x132/0x2e0 [ 74.617014][ T7887] cache_grow_begin+0x92/0xc70 [ 74.621763][ T7887] ? __kmalloc+0xc5/0x7a0 [ 74.626077][ T7887] ? trace_hardirqs_off+0x41/0x1a0 [ 74.631178][ T7887] __kmalloc+0x6d3/0x7a0 [ 74.635406][ T7887] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 74.640675][ T7887] p9_fcall_init.isra.2+0x55/0x1c0 [ 74.645766][ T7887] p9_client_prepare_req.part.5+0x116/0x670 [ 74.651643][ T7887] p9_client_rpc+0x174/0xe50 [ 74.656216][ T7887] ? p9_client_prepare_req.part.5+0x670/0x670 [ 74.663218][ T7887] ? p9_pollwait+0x182/0x210 [ 74.667796][ T7887] ? pipe_poll+0xc8/0x6b0 [ 74.672111][ T7887] ? ksys_dup3+0x2e0/0x2e0 [ 74.672885][ T7889] FAULT_INJECTION: forcing a failure. [ 74.672885][ T7889] name failslab, interval 1, probability 0, space 0, times 0 [ 74.676510][ T7887] ? p9_fd_poll+0x19b/0x2a0 [ 74.676518][ T7887] ? p9_conn_create+0x3a5/0x4f0 [ 74.676529][ T7887] ? p9_conn_create+0x4f0/0x4f0 [ 74.676543][ T7887] p9_client_create+0x7fb/0x10f0 [ 74.676558][ T7887] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 74.676565][ T7887] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.676571][ T7887] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.676576][ T7887] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.676589][ T7887] ? lockdep_init_map_waits+0x270/0x870 [ 74.737018][ T7887] v9fs_session_init+0x1ed/0x14c0 [ 74.742016][ T7887] ? v9fs_session_init+0x1ed/0x14c0 [ 74.747189][ T7887] ? find_held_lock+0x36/0x1d0 [ 74.751941][ T7887] ? v9fs_show_options+0x6c0/0x6c0 [ 74.757027][ T7887] ? __kasan_check_read+0x11/0x20 [ 74.762025][ T7887] ? v9fs_mount+0x55/0x7f0 [ 74.766410][ T7887] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.771926][ T7887] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.777959][ T7887] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.783742][ T7887] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.789283][ T7887] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.794539][ T7887] v9fs_mount+0x72/0x7f0 [ 74.798758][ T7887] ? v9fs_write_inode+0x50/0x50 [ 74.803576][ T7887] legacy_get_tree+0x103/0x1f0 [ 74.808311][ T7887] vfs_get_tree+0x8b/0x2d0 [ 74.812709][ T7887] ? capable+0x14/0x20 [ 74.816748][ T7887] do_mount+0x1272/0x1c30 [ 74.821049][ T7887] ? lock_downgrade+0x960/0x960 [ 74.825875][ T7887] ? copy_mount_string+0x20/0x20 [ 74.830815][ T7887] ? __kasan_check_write+0x14/0x20 [ 74.835905][ T7887] ? _copy_from_user+0xc5/0x110 [ 74.840728][ T7887] __x64_sys_mount+0x169/0x1c0 [ 74.845463][ T7887] do_syscall_64+0xd0/0x630 [ 74.849942][ T7887] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 74.855804][ T7887] RIP: 0033:0x458da9 [ 74.859679][ T7887] 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 [ 74.879254][ T7887] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.887646][ T7887] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 74.895590][ T7887] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.903532][ T7887] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.911473][ T7887] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 74.919420][ T7887] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.927383][ T7889] CPU: 1 PID: 7889 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 74.935952][ T7889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.945989][ T7889] Call Trace: [ 74.949263][ T7889] dump_stack+0x12d/0x187 [ 74.953583][ T7889] should_fail.cold.4+0x5/0x13 [ 74.958334][ T7889] ? fault_create_debugfs_attr+0x150/0x150 [ 74.964122][ T7889] ? fill_pool+0x2bf/0x820 [ 74.968523][ T7889] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.974060][ T7889] __should_failslab+0xba/0xf0 [ 74.978803][ T7889] should_failslab+0x9/0x14 [ 74.983292][ T7889] kmem_cache_alloc+0x47/0x760 [ 74.988044][ T7889] ? mark_held_locks+0x130/0x130 [ 74.992963][ T7889] fill_pool+0x2bf/0x820 [ 74.997197][ T7889] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 75.003158][ T7889] ? __debug_object_init+0x4fc/0x10f0 [ 75.008519][ T7889] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 75.014302][ T7889] ? __debug_object_init+0x4fc/0x10f0 [ 75.019658][ T7889] ? lockdep_hardirqs_on+0x481/0x620 [ 75.024916][ T7889] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 75.030701][ T7889] ? trace_hardirqs_on+0x28/0x1b0 [ 75.035714][ T7889] __debug_object_init+0x83/0x10f0 [ 75.040807][ T7889] ? __kasan_check_read+0x11/0x20 [ 75.045815][ T7889] ? free_object+0x70/0x70 [ 75.050211][ T7889] ? ksys_dup3+0x2e0/0x2e0 [ 75.054611][ T7889] debug_object_init+0x16/0x20 [ 75.059352][ T7889] __init_work+0x1b/0x20 [ 75.063663][ T7889] p9_conn_create+0x218/0x4f0 [ 75.068320][ T7889] p9_fd_create+0x222/0x360 [ 75.072803][ T7889] ? p9_conn_create+0x4f0/0x4f0 [ 75.077632][ T7889] ? p9_client_create+0x676/0x10f0 [ 75.082726][ T7889] p9_client_create+0x6db/0x10f0 [ 75.087648][ T7889] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.093691][ T7889] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.099213][ T7889] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.105254][ T7889] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.111044][ T7889] ? lockdep_init_map_waits+0x270/0x870 [ 75.116578][ T7889] v9fs_session_init+0x1ed/0x14c0 [ 75.121578][ T7889] ? v9fs_session_init+0x1ed/0x14c0 [ 75.126759][ T7889] ? find_held_lock+0x36/0x1d0 [ 75.131507][ T7889] ? v9fs_show_options+0x6c0/0x6c0 [ 75.136595][ T7889] ? __kasan_check_read+0x11/0x20 [ 75.141602][ T7889] ? v9fs_mount+0x55/0x7f0 [ 75.146010][ T7889] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.151535][ T7889] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.157577][ T7889] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.163370][ T7889] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.168898][ T7889] ? apparmor_task_alloc+0x2f0/0x2f0 [ 75.174167][ T7889] v9fs_mount+0x72/0x7f0 [ 75.178392][ T7889] ? v9fs_write_inode+0x50/0x50 [ 75.183219][ T7889] legacy_get_tree+0x103/0x1f0 [ 75.187970][ T7889] vfs_get_tree+0x8b/0x2d0 [ 75.192382][ T7889] ? capable+0x14/0x20 [ 75.196435][ T7889] do_mount+0x1272/0x1c30 [ 75.200741][ T7889] ? lock_downgrade+0x960/0x960 [ 75.205583][ T7889] ? copy_mount_string+0x20/0x20 [ 75.212332][ T7889] ? __kasan_check_write+0x14/0x20 [ 75.217429][ T7889] ? _copy_from_user+0xc5/0x110 [ 75.222272][ T7889] __x64_sys_mount+0x169/0x1c0 [ 75.227021][ T7889] do_syscall_64+0xd0/0x630 [ 75.231509][ T7889] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 75.237382][ T7889] RIP: 0033:0x458da9 [ 75.241254][ T7889] 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 [ 75.260843][ T7889] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.269252][ T7889] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 75.277213][ T7889] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 75.285171][ T7889] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 75.293128][ T7889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 75.301087][ T7889] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 75.345545][ T7901] FAULT_INJECTION: forcing a failure. [ 75.345545][ T7901] name failslab, interval 1, probability 0, space 0, times 0 [ 75.358153][ T7901] CPU: 1 PID: 7901 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 75.366722][ T7901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.371914][ T7903] FAULT_INJECTION: forcing a failure. [ 75.371914][ T7903] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.376763][ T7901] Call Trace: [ 75.393180][ T7901] dump_stack+0x12d/0x187 [ 75.397485][ T7901] should_fail.cold.4+0x5/0x13 [ 75.402219][ T7901] ? stack_trace_save+0x82/0xb0 [ 75.407046][ T7901] ? fault_create_debugfs_attr+0x150/0x150 [ 75.412830][ T7901] __should_failslab+0xba/0xf0 [ 75.417581][ T7901] should_failslab+0x9/0x14 [ 75.422057][ T7901] kmem_cache_alloc+0x47/0x760 [ 75.426797][ T7901] ? __kasan_check_read+0x11/0x20 [ 75.431793][ T7901] ? mark_lock+0xbf/0x630 [ 75.436094][ T7901] ? mark_held_locks+0x130/0x130 [ 75.441007][ T7901] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 75.447392][ T7901] idr_get_free+0x35d/0x880 [ 75.451878][ T7901] ? mark_held_locks+0x130/0x130 [ 75.456790][ T7901] idr_alloc_u32+0x13a/0x330 [ 75.461351][ T7901] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 75.466962][ T7901] ? lock_acquire+0x209/0x9e0 [ 75.471628][ T7901] ? __kasan_check_write+0x14/0x20 [ 75.476710][ T7901] ? do_raw_spin_lock+0x132/0x2e0 [ 75.481716][ T7901] idr_alloc+0x7d/0xc0 [ 75.485758][ T7901] ? idr_alloc_u32+0x330/0x330 [ 75.490507][ T7901] p9_client_prepare_req.part.5+0x571/0x670 [ 75.496376][ T7901] p9_client_rpc+0x174/0xe50 [ 75.500943][ T7901] ? p9_client_prepare_req.part.5+0x670/0x670 [ 75.506980][ T7901] ? p9_pollwait+0x182/0x210 [ 75.511542][ T7901] ? pipe_poll+0xc8/0x6b0 [ 75.515844][ T7901] ? ksys_dup3+0x2e0/0x2e0 [ 75.520230][ T7901] ? p9_fd_poll+0x19b/0x2a0 [ 75.524705][ T7901] ? p9_conn_create+0x3a5/0x4f0 [ 75.529538][ T7901] ? p9_conn_create+0x4f0/0x4f0 [ 75.534362][ T7901] p9_client_create+0x7fb/0x10f0 [ 75.539275][ T7901] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.545311][ T7901] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.550831][ T7901] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.556863][ T7901] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.562643][ T7901] ? lockdep_init_map_waits+0x270/0x870 [ 75.568165][ T7901] v9fs_session_init+0x1ed/0x14c0 [ 75.573160][ T7901] ? v9fs_session_init+0x1ed/0x14c0 [ 75.578329][ T7901] ? find_held_lock+0x36/0x1d0 [ 75.583146][ T7901] ? v9fs_show_options+0x6c0/0x6c0 [ 75.588234][ T7901] ? __kasan_check_read+0x11/0x20 [ 75.593235][ T7901] ? v9fs_mount+0x55/0x7f0 [ 75.597628][ T7901] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.603143][ T7901] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.609177][ T7901] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.614960][ T7901] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.620477][ T7901] ? apparmor_task_alloc+0x2f0/0x2f0 [ 75.625736][ T7901] v9fs_mount+0x72/0x7f0 [ 75.629954][ T7901] ? v9fs_write_inode+0x50/0x50 [ 75.634774][ T7901] legacy_get_tree+0x103/0x1f0 [ 75.639509][ T7901] vfs_get_tree+0x8b/0x2d0 [ 75.643894][ T7901] ? capable+0x14/0x20 [ 75.647933][ T7901] do_mount+0x1272/0x1c30 [ 75.652233][ T7901] ? lock_downgrade+0x960/0x960 [ 75.657054][ T7901] ? copy_mount_string+0x20/0x20 [ 75.661966][ T7901] ? __kasan_check_write+0x14/0x20 [ 75.667046][ T7901] ? _copy_from_user+0xc5/0x110 [ 75.671879][ T7901] __x64_sys_mount+0x169/0x1c0 [ 75.676618][ T7901] do_syscall_64+0xd0/0x630 [ 75.681094][ T7901] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 75.686953][ T7901] RIP: 0033:0x458da9 [ 75.690819][ 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 [ 75.710397][ T7901] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.718775][ T7901] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 75.726717][ T7901] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 75.734658][ T7901] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 75.742600][ T7901] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 75.750544][ T7901] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 75.758507][ T7903] CPU: 0 PID: 7903 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 75.767087][ T7903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.777132][ T7903] Call Trace: [ 75.777903][ T7902] FAULT_INJECTION: forcing a failure. [ 75.777903][ T7902] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.780405][ T7903] dump_stack+0x12d/0x187 [ 75.797872][ T7903] should_fail.cold.4+0x5/0x13 [ 75.802609][ T7903] ? do_mount+0x1272/0x1c30 [ 75.807082][ T7903] ? fault_create_debugfs_attr+0x150/0x150 [ 75.812862][ T7903] ? find_held_lock+0x36/0x1d0 [ 75.817603][ T7903] should_fail_alloc_page+0x50/0x60 [ 75.822771][ T7903] __alloc_pages_nodemask+0x17f/0x880 [ 75.828112][ T7903] ? cache_grow_end+0xab/0x190 [ 75.832849][ T7903] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 75.839753][ T7903] ? do_raw_spin_lock+0x132/0x2e0 [ 75.844767][ T7903] cache_grow_begin+0x92/0xc70 [ 75.849499][ T7903] ? __kmalloc+0xc5/0x7a0 [ 75.853837][ T7903] ? trace_hardirqs_off+0x41/0x1a0 [ 75.858939][ T7903] __kmalloc+0x6d3/0x7a0 [ 75.863155][ T7903] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 75.868410][ T7903] p9_fcall_init.isra.2+0x55/0x1c0 [ 75.873491][ T7903] p9_client_prepare_req.part.5+0x116/0x670 [ 75.879358][ T7903] p9_client_rpc+0x174/0xe50 [ 75.883927][ T7903] ? p9_client_prepare_req.part.5+0x670/0x670 [ 75.889970][ T7903] ? p9_pollwait+0x182/0x210 [ 75.894532][ T7903] ? pipe_poll+0xc8/0x6b0 [ 75.898829][ T7903] ? ksys_dup3+0x2e0/0x2e0 [ 75.903215][ T7903] ? p9_fd_poll+0x19b/0x2a0 [ 75.907689][ T7903] ? p9_conn_create+0x3a5/0x4f0 [ 75.912511][ T7903] ? p9_conn_create+0x4f0/0x4f0 [ 75.917336][ T7903] p9_client_create+0x7fb/0x10f0 [ 75.922246][ T7903] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.928287][ T7903] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.933802][ T7903] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.939840][ T7903] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.945642][ T7903] ? lockdep_init_map_waits+0x270/0x870 [ 75.951169][ T7903] v9fs_session_init+0x1ed/0x14c0 [ 75.956238][ T7903] ? v9fs_session_init+0x1ed/0x14c0 [ 75.961406][ T7903] ? find_held_lock+0x36/0x1d0 [ 75.966143][ T7903] ? v9fs_show_options+0x6c0/0x6c0 [ 75.971232][ T7903] ? __kasan_check_read+0x11/0x20 [ 75.976227][ T7903] ? ipv6_flowlabel_opt+0x600/0x1dc0 [ 75.981481][ T7903] ? v9fs_mount+0x55/0x7f0 [ 75.985876][ T7903] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.991390][ T7903] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.997421][ T7903] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.003199][ T7903] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.008714][ T7903] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.013969][ T7903] v9fs_mount+0x72/0x7f0 [ 76.018183][ T7903] ? v9fs_write_inode+0x50/0x50 [ 76.023000][ T7903] legacy_get_tree+0x103/0x1f0 [ 76.027734][ T7903] vfs_get_tree+0x8b/0x2d0 [ 76.032120][ T7903] ? capable+0x14/0x20 [ 76.036162][ T7903] do_mount+0x1272/0x1c30 [ 76.040459][ T7903] ? lock_downgrade+0x960/0x960 [ 76.045279][ T7903] ? copy_mount_string+0x20/0x20 [ 76.050193][ T7903] ? __kasan_check_write+0x14/0x20 [ 76.055272][ T7903] ? _copy_from_user+0xc5/0x110 [ 76.060105][ T7903] __x64_sys_mount+0x169/0x1c0 [ 76.064841][ T7903] do_syscall_64+0xd0/0x630 [ 76.069316][ T7903] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 76.075177][ T7903] RIP: 0033:0x458da9 [ 76.079043][ 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 [ 76.098616][ T7903] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.107004][ T7903] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 76.114946][ T7903] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 76.122888][ T7903] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 76.130829][ T7903] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 76.138770][ T7903] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 76.146744][ T7902] CPU: 1 PID: 7902 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 76.155312][ T7902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.165353][ T7902] Call Trace: [ 76.168630][ T7902] dump_stack+0x12d/0x187 [ 76.172957][ T7902] should_fail.cold.4+0x5/0x13 [ 76.177707][ T7902] ? do_mount+0x1272/0x1c30 [ 76.182199][ T7902] ? fault_create_debugfs_attr+0x150/0x150 [ 76.187998][ T7902] ? find_held_lock+0x36/0x1d0 [ 76.192754][ T7902] should_fail_alloc_page+0x50/0x60 [ 76.197943][ T7902] __alloc_pages_nodemask+0x17f/0x880 [ 76.203307][ T7902] ? cache_grow_end+0xab/0x190 [ 76.208058][ T7902] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 76.214978][ T7902] ? do_raw_spin_lock+0x132/0x2e0 [ 76.219999][ T7902] cache_grow_begin+0x92/0xc70 [ 76.224748][ T7902] ? __kmalloc+0xc5/0x7a0 [ 76.229069][ T7902] ? trace_hardirqs_off+0x41/0x1a0 [ 76.230581][ T7914] FAULT_INJECTION: forcing a failure. [ 76.230581][ T7914] name failslab, interval 1, probability 0, space 0, times 0 [ 76.234161][ T7902] __kmalloc+0x6d3/0x7a0 [ 76.250922][ T7902] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 76.256179][ T7902] p9_fcall_init.isra.2+0x55/0x1c0 [ 76.261263][ T7902] p9_client_prepare_req.part.5+0x116/0x670 [ 76.267144][ T7902] p9_client_rpc+0x174/0xe50 [ 76.271715][ T7902] ? p9_client_prepare_req.part.5+0x670/0x670 [ 76.277766][ T7902] ? p9_pollwait+0x182/0x210 [ 76.282330][ T7902] ? pipe_poll+0xc8/0x6b0 [ 76.286635][ T7902] ? ksys_dup3+0x2e0/0x2e0 [ 76.291021][ T7902] ? p9_fd_poll+0x19b/0x2a0 [ 76.295494][ T7902] ? p9_conn_create+0x3a5/0x4f0 [ 76.300316][ T7902] ? p9_conn_create+0x4f0/0x4f0 [ 76.305142][ T7902] p9_client_create+0x7fb/0x10f0 [ 76.310052][ T7902] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 76.316087][ T7902] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.321607][ T7902] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.327644][ T7902] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.333426][ T7902] ? lockdep_init_map_waits+0x270/0x870 [ 76.338947][ T7902] v9fs_session_init+0x1ed/0x14c0 [ 76.343937][ T7902] ? v9fs_session_init+0x1ed/0x14c0 [ 76.349104][ T7902] ? find_held_lock+0x36/0x1d0 [ 76.353841][ T7902] ? v9fs_show_options+0x6c0/0x6c0 [ 76.358922][ T7902] ? __kasan_check_read+0x11/0x20 [ 76.363919][ T7902] ? v9fs_mount+0x55/0x7f0 [ 76.368305][ T7902] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.373820][ T7902] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.379865][ T7902] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.385646][ T7902] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.391161][ T7902] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.396423][ T7902] v9fs_mount+0x72/0x7f0 [ 76.400637][ T7902] ? v9fs_write_inode+0x50/0x50 [ 76.405458][ T7902] legacy_get_tree+0x103/0x1f0 [ 76.410210][ T7902] vfs_get_tree+0x8b/0x2d0 [ 76.414601][ T7902] ? capable+0x14/0x20 [ 76.418642][ T7902] do_mount+0x1272/0x1c30 [ 76.422939][ T7902] ? lock_downgrade+0x960/0x960 [ 76.427763][ T7902] ? copy_mount_string+0x20/0x20 [ 76.432675][ T7902] ? __kasan_check_write+0x14/0x20 [ 76.437761][ T7902] ? _copy_from_user+0xc5/0x110 [ 76.442585][ T7902] __x64_sys_mount+0x169/0x1c0 [ 76.447323][ T7902] do_syscall_64+0xd0/0x630 [ 76.451802][ T7902] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 76.457664][ T7902] RIP: 0033:0x458da9 [ 76.461530][ T7902] 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 [ 76.481121][ T7902] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.489503][ T7902] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 76.497443][ T7902] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 76.505384][ T7902] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 76.513327][ T7902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 76.521271][ T7902] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 76.529233][ T7914] CPU: 0 PID: 7914 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 76.537807][ T7914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.547848][ T7914] Call Trace: [ 76.551123][ T7914] dump_stack+0x12d/0x187 [ 76.555436][ T7914] should_fail.cold.4+0x5/0x13 [ 76.560176][ T7914] ? stack_trace_save+0x82/0xb0 [ 76.565010][ T7914] ? fault_create_debugfs_attr+0x150/0x150 [ 76.570806][ T7914] __should_failslab+0xba/0xf0 [ 76.575656][ T7914] should_failslab+0x9/0x14 [ 76.580147][ T7914] kmem_cache_alloc+0x47/0x760 [ 76.584897][ T7914] ? __kasan_check_read+0x11/0x20 [ 76.589936][ T7914] ? mark_lock+0xbf/0x630 [ 76.594244][ T7914] ? mark_held_locks+0x130/0x130 [ 76.599166][ T7914] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 76.605580][ T7914] idr_get_free+0x35d/0x880 [ 76.610082][ T7914] ? mark_held_locks+0x130/0x130 [ 76.615005][ T7914] idr_alloc_u32+0x13a/0x330 [ 76.619582][ T7914] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 76.625108][ T7914] ? lock_acquire+0x209/0x9e0 [ 76.626798][ T7916] 9pnet: Insufficient options for proto=fd [ 76.629770][ T7914] ? __kasan_check_write+0x14/0x20 [ 76.629778][ T7914] ? do_raw_spin_lock+0x132/0x2e0 [ 76.629790][ T7914] idr_alloc+0x7d/0xc0 [ 76.629797][ T7914] ? idr_alloc_u32+0x330/0x330 [ 76.629812][ T7914] p9_client_prepare_req.part.5+0x571/0x670 [ 76.629830][ T7914] p9_client_rpc+0x174/0xe50 [ 76.629841][ T7914] ? p9_client_prepare_req.part.5+0x670/0x670 [ 76.629851][ T7914] ? p9_pollwait+0x182/0x210 [ 76.675631][ T7914] ? pipe_poll+0xc8/0x6b0 [ 76.679940][ T7914] ? ksys_dup3+0x2e0/0x2e0 [ 76.684338][ T7914] ? p9_fd_poll+0x19b/0x2a0 [ 76.688821][ T7914] ? p9_conn_create+0x3a5/0x4f0 [ 76.693652][ T7914] ? p9_conn_create+0x4f0/0x4f0 [ 76.698488][ T7914] p9_client_create+0x7fb/0x10f0 [ 76.703411][ T7914] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 76.709456][ T7914] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.714978][ T7914] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.721044][ T7914] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.726838][ T7914] ? lockdep_init_map_waits+0x270/0x870 [ 76.732389][ T7914] v9fs_session_init+0x1ed/0x14c0 [ 76.737392][ T7914] ? v9fs_session_init+0x1ed/0x14c0 [ 76.742576][ T7914] ? find_held_lock+0x36/0x1d0 [ 76.747326][ T7914] ? v9fs_show_options+0x6c0/0x6c0 [ 76.752415][ T7914] ? __kasan_check_read+0x11/0x20 [ 76.757421][ T7914] ? v9fs_mount+0x55/0x7f0 [ 76.761818][ T7914] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.767343][ T7914] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.773385][ T7914] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.779175][ T7914] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.784794][ T7914] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.790062][ T7914] v9fs_mount+0x72/0x7f0 [ 76.794287][ T7914] ? v9fs_write_inode+0x50/0x50 [ 76.799113][ T7914] legacy_get_tree+0x103/0x1f0 [ 76.803862][ T7914] vfs_get_tree+0x8b/0x2d0 [ 76.808255][ T7914] ? capable+0x14/0x20 [ 76.812329][ T7914] do_mount+0x1272/0x1c30 [ 76.816636][ T7914] ? lock_downgrade+0x960/0x960 [ 76.821471][ T7914] ? copy_mount_string+0x20/0x20 [ 76.826395][ T7914] ? __kasan_check_write+0x14/0x20 [ 76.831485][ T7914] ? _copy_from_user+0xc5/0x110 [ 76.836323][ T7914] __x64_sys_mount+0x169/0x1c0 [ 76.841070][ T7914] do_syscall_64+0xd0/0x630 [ 76.845557][ T7914] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 76.851426][ T7914] RIP: 0033:0x458da9 [ 76.855301][ T7914] 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 [ 76.874883][ T7914] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.883270][ T7914] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 76.891219][ T7914] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 2020/04/21 09:24:33 executed programs: 66 [ 76.899172][ T7914] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 76.907123][ T7914] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 76.915077][ T7914] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 76.954606][ T7920] FAULT_INJECTION: forcing a failure. [ 76.954606][ T7920] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 76.967808][ T7920] CPU: 1 PID: 7920 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 76.976376][ T7920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.986421][ T7920] Call Trace: [ 76.989700][ T7920] dump_stack+0x12d/0x187 [ 76.994022][ T7920] should_fail.cold.4+0x5/0x13 [ 76.998779][ T7920] ? do_mount+0x1272/0x1c30 [ 77.003271][ T7920] ? fault_create_debugfs_attr+0x150/0x150 [ 77.009070][ T7920] ? find_held_lock+0x36/0x1d0 [ 77.014864][ T7920] should_fail_alloc_page+0x50/0x60 [ 77.020044][ T7920] __alloc_pages_nodemask+0x17f/0x880 [ 77.025395][ T7920] ? cache_grow_end+0xab/0x190 [ 77.030135][ T7920] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 77.037056][ T7920] ? do_raw_spin_lock+0x132/0x2e0 [ 77.042064][ T7920] cache_grow_begin+0x92/0xc70 [ 77.046801][ T7920] ? __kmalloc+0xc5/0x7a0 [ 77.051115][ T7920] ? trace_hardirqs_off+0x41/0x1a0 [ 77.056211][ T7920] __kmalloc+0x6d3/0x7a0 [ 77.060437][ T7920] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.065707][ T7920] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.070807][ T7920] p9_client_prepare_req.part.5+0x116/0x670 [ 77.076691][ T7920] p9_client_rpc+0x174/0xe50 [ 77.081271][ T7920] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.087337][ T7920] ? p9_pollwait+0x182/0x210 [ 77.091916][ T7920] ? pipe_poll+0xc8/0x6b0 [ 77.096231][ T7920] ? ksys_dup3+0x2e0/0x2e0 [ 77.100660][ T7920] ? p9_fd_poll+0x19b/0x2a0 [ 77.105149][ T7920] ? p9_conn_create+0x3a5/0x4f0 [ 77.109989][ T7920] ? p9_conn_create+0x4f0/0x4f0 [ 77.114848][ T7920] p9_client_create+0x7fb/0x10f0 [ 77.119782][ T7920] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.125833][ T7920] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.131370][ T7920] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.137419][ T7920] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.143207][ T7920] ? lockdep_init_map_waits+0x270/0x870 [ 77.148739][ T7920] v9fs_session_init+0x1ed/0x14c0 [ 77.153744][ T7920] ? v9fs_session_init+0x1ed/0x14c0 [ 77.158934][ T7920] ? find_held_lock+0x36/0x1d0 [ 77.163667][ T7920] ? v9fs_show_options+0x6c0/0x6c0 [ 77.168753][ T7920] ? __kasan_check_read+0x11/0x20 [ 77.173759][ T7920] ? v9fs_mount+0x55/0x7f0 [ 77.178152][ T7920] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.183664][ T7920] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.189703][ T7920] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.195486][ T7920] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.201000][ T7920] ? apparmor_task_alloc+0x2f0/0x2f0 [ 77.206262][ T7920] v9fs_mount+0x72/0x7f0 [ 77.210487][ T7920] ? v9fs_write_inode+0x50/0x50 [ 77.215310][ T7920] legacy_get_tree+0x103/0x1f0 [ 77.220060][ T7920] vfs_get_tree+0x8b/0x2d0 [ 77.224443][ T7920] ? capable+0x14/0x20 [ 77.228487][ T7920] do_mount+0x1272/0x1c30 [ 77.232790][ T7920] ? lock_downgrade+0x960/0x960 [ 77.237624][ T7920] ? copy_mount_string+0x20/0x20 [ 77.242540][ T7920] ? __kasan_check_write+0x14/0x20 [ 77.247630][ T7920] ? _copy_from_user+0xc5/0x110 [ 77.252475][ T7920] __x64_sys_mount+0x169/0x1c0 [ 77.257235][ T7920] do_syscall_64+0xd0/0x630 [ 77.261711][ T7920] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 77.267586][ T7920] RIP: 0033:0x458da9 [ 77.271493][ T7920] 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 [ 77.291076][ T7920] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 77.299469][ T7920] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 77.307425][ T7920] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.315376][ T7920] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.323318][ T7920] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 77.331258][ T7920] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.351256][ T7925] FAULT_INJECTION: forcing a failure. [ 77.351256][ T7925] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.364659][ T7925] CPU: 1 PID: 7925 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 77.373229][ T7925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.383271][ T7925] Call Trace: [ 77.386553][ T7925] dump_stack+0x12d/0x187 [ 77.390879][ T7925] should_fail.cold.4+0x5/0x13 [ 77.395631][ T7925] ? do_mount+0x1272/0x1c30 [ 77.400127][ T7925] ? fault_create_debugfs_attr+0x150/0x150 [ 77.405926][ T7925] ? find_held_lock+0x36/0x1d0 [ 77.410689][ T7925] should_fail_alloc_page+0x50/0x60 [ 77.415878][ T7925] __alloc_pages_nodemask+0x17f/0x880 [ 77.421239][ T7925] ? cache_grow_end+0xab/0x190 [ 77.425994][ T7925] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 77.432918][ T7925] ? do_raw_spin_lock+0x132/0x2e0 [ 77.437956][ T7925] cache_grow_begin+0x92/0xc70 [ 77.442710][ T7925] ? __kmalloc+0xc5/0x7a0 [ 77.447027][ T7925] ? trace_hardirqs_off+0x41/0x1a0 [ 77.452131][ T7925] __kmalloc+0x6d3/0x7a0 [ 77.456366][ T7925] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.461643][ T7925] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.462828][ T7934] FAULT_INJECTION: forcing a failure. [ 77.462828][ T7934] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.466737][ T7925] p9_client_prepare_req.part.5+0x116/0x670 [ 77.485753][ T7925] p9_client_rpc+0x174/0xe50 [ 77.490315][ T7925] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.496354][ T7925] ? p9_pollwait+0x182/0x210 [ 77.500919][ T7925] ? pipe_poll+0xc8/0x6b0 [ 77.505232][ T7925] ? ksys_dup3+0x2e0/0x2e0 [ 77.509634][ T7925] ? p9_fd_poll+0x19b/0x2a0 [ 77.514109][ T7925] ? p9_conn_create+0x3a5/0x4f0 [ 77.518932][ T7925] ? p9_conn_create+0x4f0/0x4f0 [ 77.523757][ T7925] p9_client_create+0x7fb/0x10f0 [ 77.528671][ T7925] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.534742][ T7925] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.540255][ T7925] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.546289][ T7925] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.552070][ T7925] ? lockdep_init_map_waits+0x270/0x870 [ 77.557593][ T7925] v9fs_session_init+0x1ed/0x14c0 [ 77.562606][ T7925] ? v9fs_session_init+0x1ed/0x14c0 [ 77.567786][ T7925] ? find_held_lock+0x36/0x1d0 [ 77.572533][ T7925] ? v9fs_show_options+0x6c0/0x6c0 [ 77.577624][ T7925] ? __kasan_check_read+0x11/0x20 [ 77.582625][ T7925] ? v9fs_mount+0x55/0x7f0 [ 77.587016][ T7925] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.592534][ T7925] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.598568][ T7925] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.604354][ T7925] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.609875][ T7925] ? apparmor_task_alloc+0x2f0/0x2f0 [ 77.615132][ T7925] v9fs_mount+0x72/0x7f0 [ 77.619348][ T7925] ? v9fs_write_inode+0x50/0x50 [ 77.624181][ T7925] legacy_get_tree+0x103/0x1f0 [ 77.628918][ T7925] vfs_get_tree+0x8b/0x2d0 [ 77.633303][ T7925] ? capable+0x14/0x20 [ 77.637342][ T7925] do_mount+0x1272/0x1c30 [ 77.641640][ T7925] ? lock_downgrade+0x960/0x960 [ 77.646462][ T7925] ? copy_mount_string+0x20/0x20 [ 77.651375][ T7925] ? __kasan_check_write+0x14/0x20 [ 77.656455][ T7925] ? _copy_from_user+0xc5/0x110 [ 77.661278][ T7925] __x64_sys_mount+0x169/0x1c0 [ 77.666016][ T7925] do_syscall_64+0xd0/0x630 [ 77.670495][ T7925] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 77.676357][ T7925] RIP: 0033:0x458da9 [ 77.680235][ T7925] 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 [ 77.699811][ T7925] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 77.708196][ T7925] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 77.716143][ T7925] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.724085][ T7925] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.732027][ T7925] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 77.739970][ T7925] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.747942][ T7934] CPU: 0 PID: 7934 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 77.748687][ T27] audit: type=1804 audit(1587461074.096:8): pid=7934 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir986738189/syzkaller.iMDzi6/10/file0" dev="sda1" ino=15834 res=1 [ 77.756527][ T7934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.756531][ T7934] Call Trace: [ 77.756543][ T7934] dump_stack+0x12d/0x187 [ 77.756555][ T7934] should_fail.cold.4+0x5/0x13 [ 77.756564][ T7934] ? do_mount+0x1272/0x1c30 [ 77.806119][ T7934] ? fault_create_debugfs_attr+0x150/0x150 [ 77.811919][ T7934] ? find_held_lock+0x36/0x1d0 [ 77.816682][ T7934] should_fail_alloc_page+0x50/0x60 [ 77.822218][ T7934] __alloc_pages_nodemask+0x17f/0x880 [ 77.827580][ T7934] ? cache_grow_end+0xab/0x190 [ 77.831513][ T7936] FAULT_INJECTION: forcing a failure. [ 77.831513][ T7936] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.832326][ T7934] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 77.852381][ T7934] ? do_raw_spin_lock+0x132/0x2e0 [ 77.857382][ T7934] cache_grow_begin+0x92/0xc70 [ 77.862115][ T7934] ? __kmalloc+0xc5/0x7a0 [ 77.866417][ T7934] ? trace_hardirqs_off+0x41/0x1a0 [ 77.871507][ T7934] __kmalloc+0x6d3/0x7a0 [ 77.875722][ T7934] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.880977][ T7934] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.886059][ T7934] p9_client_prepare_req.part.5+0x116/0x670 [ 77.891924][ T7934] p9_client_rpc+0x174/0xe50 [ 77.897351][ T7934] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 77.903130][ T7934] ? __debug_object_init+0x4fc/0x10f0 [ 77.908471][ T7934] ? __kasan_check_read+0x11/0x20 [ 77.913466][ T7934] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.919506][ T7934] ? free_object+0x70/0x70 [ 77.923892][ T7934] ? ksys_dup3+0x2e0/0x2e0 [ 77.928281][ T7934] ? lockdep_init_map_waits+0x270/0x870 [ 77.933809][ T7934] ? __kasan_check_write+0x14/0x20 [ 77.938889][ T7934] ? p9_conn_create+0x3ce/0x4f0 [ 77.943721][ T7934] ? p9_conn_create+0x4f0/0x4f0 [ 77.948558][ T7934] p9_client_create+0x7fb/0x10f0 [ 77.953492][ T7934] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.959528][ T7934] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.965041][ T7934] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.971077][ T7934] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.976857][ T7934] ? lockdep_init_map_waits+0x270/0x870 [ 77.982469][ T7934] v9fs_session_init+0x1ed/0x14c0 [ 77.987465][ T7934] ? v9fs_session_init+0x1ed/0x14c0 [ 77.992634][ T7934] ? find_held_lock+0x36/0x1d0 [ 77.997374][ T7934] ? v9fs_show_options+0x6c0/0x6c0 [ 78.002455][ T7934] ? __kasan_check_read+0x11/0x20 [ 78.007450][ T7934] ? nf_ct_unlink_expect_report+0xe0/0x560 [ 78.013225][ T7934] ? v9fs_mount+0x55/0x7f0 [ 78.017613][ T7934] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.023128][ T7934] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.029163][ T7934] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.035743][ T7934] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.041263][ T7934] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.046520][ T7934] v9fs_mount+0x72/0x7f0 [ 78.050749][ T7934] ? v9fs_write_inode+0x50/0x50 [ 78.055573][ T7934] legacy_get_tree+0x103/0x1f0 [ 78.060334][ T7934] vfs_get_tree+0x8b/0x2d0 [ 78.064721][ T7934] ? capable+0x14/0x20 [ 78.068767][ T7934] do_mount+0x1272/0x1c30 [ 78.073065][ T7934] ? lock_downgrade+0x960/0x960 [ 78.077975][ T7934] ? copy_mount_string+0x20/0x20 [ 78.082886][ T7934] ? __kasan_check_write+0x14/0x20 [ 78.087970][ T7934] ? _copy_from_user+0xc5/0x110 [ 78.092796][ T7934] __x64_sys_mount+0x169/0x1c0 [ 78.097535][ T7934] do_syscall_64+0xd0/0x630 [ 78.102012][ T7934] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 78.107884][ T7934] RIP: 0033:0x458da9 [ 78.111755][ T7934] 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 [ 78.131333][ T7934] RSP: 002b:00007f5bc41e0c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.139715][ T7934] RAX: ffffffffffffffda RBX: 00007f5bc41e0c90 RCX: 0000000000458da9 [ 78.147700][ T7934] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.155643][ T7934] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 78.163584][ T7934] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc41e16d4 [ 78.171531][ T7934] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 78.179504][ T7936] CPU: 1 PID: 7936 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 78.188079][ T7936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.198122][ T7936] Call Trace: [ 78.201389][ T7936] dump_stack+0x12d/0x187 [ 78.205714][ T7936] should_fail.cold.4+0x5/0x13 [ 78.210446][ T7936] ? do_mount+0x1272/0x1c30 [ 78.214918][ T7936] ? fault_create_debugfs_attr+0x150/0x150 [ 78.220693][ T7936] ? find_held_lock+0x36/0x1d0 [ 78.225427][ T7936] should_fail_alloc_page+0x50/0x60 [ 78.230594][ T7936] __alloc_pages_nodemask+0x17f/0x880 [ 78.235935][ T7936] ? cache_grow_end+0xab/0x190 [ 78.240666][ T7936] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 78.247569][ T7936] ? do_raw_spin_lock+0x132/0x2e0 [ 78.252570][ T7936] cache_grow_begin+0x92/0xc70 [ 78.257299][ T7936] ? __kmalloc+0xc5/0x7a0 [ 78.261614][ T7936] ? trace_hardirqs_off+0x41/0x1a0 [ 78.266695][ T7936] __kmalloc+0x6d3/0x7a0 [ 78.270907][ T7936] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 78.276166][ T7936] p9_fcall_init.isra.2+0x55/0x1c0 [ 78.281246][ T7936] p9_client_prepare_req.part.5+0x116/0x670 [ 78.287108][ T7936] p9_client_rpc+0x174/0xe50 [ 78.291667][ T7936] ? p9_client_prepare_req.part.5+0x670/0x670 [ 78.297701][ T7936] ? p9_pollwait+0x182/0x210 [ 78.302262][ T7936] ? pipe_poll+0xc8/0x6b0 [ 78.306559][ T7936] ? ksys_dup3+0x2e0/0x2e0 [ 78.310943][ T7936] ? p9_fd_poll+0x19b/0x2a0 [ 78.315415][ T7936] ? p9_conn_create+0x3a5/0x4f0 [ 78.320258][ T7936] ? p9_conn_create+0x4f0/0x4f0 [ 78.325090][ T7936] p9_client_create+0x7fb/0x10f0 [ 78.330000][ T7936] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 78.336035][ T7936] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.341548][ T7936] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.347580][ T7936] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.353360][ T7936] ? lockdep_init_map_waits+0x270/0x870 [ 78.358881][ T7936] v9fs_session_init+0x1ed/0x14c0 [ 78.363894][ T7936] ? v9fs_session_init+0x1ed/0x14c0 [ 78.369069][ T7936] ? find_held_lock+0x36/0x1d0 [ 78.373823][ T7936] ? v9fs_show_options+0x6c0/0x6c0 [ 78.378910][ T7936] ? __kasan_check_read+0x11/0x20 [ 78.383906][ T7936] ? flow_classify+0x1010/0x2080 [ 78.388815][ T7936] ? v9fs_mount+0x55/0x7f0 [ 78.393202][ T7936] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.398725][ T7936] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.404758][ T7936] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.410548][ T7936] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.416062][ T7936] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.421314][ T7936] v9fs_mount+0x72/0x7f0 [ 78.425526][ T7936] ? v9fs_write_inode+0x50/0x50 [ 78.430417][ T7936] legacy_get_tree+0x103/0x1f0 [ 78.435160][ T7936] vfs_get_tree+0x8b/0x2d0 [ 78.439548][ T7936] ? capable+0x14/0x20 [ 78.443604][ T7936] do_mount+0x1272/0x1c30 [ 78.447903][ T7936] ? lock_downgrade+0x960/0x960 [ 78.452729][ T7936] ? copy_mount_string+0x20/0x20 [ 78.457642][ T7936] ? __kasan_check_write+0x14/0x20 [ 78.462732][ T7936] ? _copy_from_user+0xc5/0x110 [ 78.467561][ T7936] __x64_sys_mount+0x169/0x1c0 [ 78.472300][ T7936] do_syscall_64+0xd0/0x630 [ 78.476780][ T7936] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 78.482639][ T7936] RIP: 0033:0x458da9 [ 78.486502][ 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 [ 78.506074][ T7936] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.514450][ T7936] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 78.522393][ T7936] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.530334][ T7936] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 78.538274][ T7936] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 78.546224][ T7936] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 78.571801][ T7949] FAULT_INJECTION: forcing a failure. [ 78.571801][ T7949] name failslab, interval 1, probability 0, space 0, times 0 [ 78.584397][ T7949] CPU: 0 PID: 7949 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 78.592968][ T7949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.601146][ T27] audit: type=1804 audit(1587461075.207:9): pid=7947 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/12/file0" dev="sda1" ino=15805 res=1 [ 78.603025][ T7949] Call Trace: [ 78.603040][ T7949] dump_stack+0x12d/0x187 [ 78.603053][ T7949] should_fail.cold.4+0x5/0x13 [ 78.603062][ T7949] ? fault_create_debugfs_attr+0x150/0x150 [ 78.626384][ T7947] FAULT_INJECTION: forcing a failure. [ 78.626384][ T7947] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 78.629054][ T7949] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 78.663571][ T7949] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.669110][ T7949] __should_failslab+0xba/0xf0 [ 78.673855][ T7949] should_failslab+0x9/0x14 [ 78.678334][ T7949] kmem_cache_alloc+0x47/0x760 [ 78.683083][ T7949] ? __kasan_check_read+0x11/0x20 [ 78.688081][ T7949] ? mark_lock+0xbf/0x630 [ 78.692385][ T7949] ? legacy_get_tree+0x103/0x1f0 [ 78.697297][ T7949] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 78.703699][ T7949] idr_get_free+0x35d/0x880 [ 78.708185][ T7949] idr_alloc_u32+0x13a/0x330 [ 78.712747][ T7949] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 78.718261][ T7949] ? lock_acquire+0x209/0x9e0 [ 78.722911][ T7949] ? __kasan_check_write+0x14/0x20 [ 78.727993][ T7949] ? do_raw_spin_lock+0x132/0x2e0 [ 78.732989][ T7949] idr_alloc+0x7d/0xc0 [ 78.737027][ T7949] ? idr_alloc_u32+0x330/0x330 [ 78.741767][ T7949] p9_client_prepare_req.part.5+0x571/0x670 [ 78.747635][ T7949] p9_client_rpc+0x174/0xe50 [ 78.752203][ T7949] ? p9_client_prepare_req.part.5+0x670/0x670 [ 78.758239][ T7949] ? p9_pollwait+0x182/0x210 [ 78.762801][ T7949] ? pipe_poll+0xc8/0x6b0 [ 78.767098][ T7949] ? ksys_dup3+0x2e0/0x2e0 [ 78.771495][ T7949] ? p9_fd_poll+0x19b/0x2a0 [ 78.775974][ T7949] ? p9_conn_create+0x3a5/0x4f0 [ 78.780795][ T7949] ? p9_conn_create+0x4f0/0x4f0 [ 78.785621][ T7949] p9_client_create+0x7fb/0x10f0 [ 78.790535][ T7949] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 78.796574][ T7949] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.802088][ T7949] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.808124][ T7949] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.814078][ T7949] ? lockdep_init_map_waits+0x270/0x870 [ 78.819611][ T7949] v9fs_session_init+0x1ed/0x14c0 [ 78.824630][ T7949] ? v9fs_session_init+0x1ed/0x14c0 [ 78.829875][ T7949] ? find_held_lock+0x36/0x1d0 [ 78.834616][ T7949] ? v9fs_show_options+0x6c0/0x6c0 [ 78.839698][ T7949] ? __kasan_check_read+0x11/0x20 [ 78.844691][ T7949] ? rsvp_change+0x2b90/0x2f00 [ 78.849440][ T7949] ? v9fs_mount+0x55/0x7f0 [ 78.853826][ T7949] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.859341][ T7949] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.865376][ T7949] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.871170][ T7949] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.876699][ T7949] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.881958][ T7949] v9fs_mount+0x72/0x7f0 [ 78.886172][ T7949] ? v9fs_write_inode+0x50/0x50 [ 78.890999][ T7949] legacy_get_tree+0x103/0x1f0 [ 78.895736][ T7949] vfs_get_tree+0x8b/0x2d0 [ 78.900133][ T7949] ? capable+0x14/0x20 [ 78.904173][ T7949] do_mount+0x1272/0x1c30 [ 78.908473][ T7949] ? lock_downgrade+0x960/0x960 [ 78.913306][ T7949] ? copy_mount_string+0x20/0x20 [ 78.918221][ T7949] ? __kasan_check_write+0x14/0x20 [ 78.923317][ T7949] ? _copy_from_user+0xc5/0x110 [ 78.928151][ T7949] __x64_sys_mount+0x169/0x1c0 [ 78.932891][ T7949] do_syscall_64+0xd0/0x630 [ 78.937372][ T7949] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 78.943240][ T7949] RIP: 0033:0x458da9 [ 78.947108][ T7949] 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 [ 78.967203][ T7949] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.975598][ T7949] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 78.983541][ T7949] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.991488][ T7949] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 78.999432][ T7949] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 79.007375][ T7949] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.015351][ T7947] CPU: 1 PID: 7947 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 79.023919][ T7947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.033955][ T7947] Call Trace: [ 79.037224][ T7947] dump_stack+0x12d/0x187 [ 79.041529][ T7947] should_fail.cold.4+0x5/0x13 [ 79.046262][ T7947] ? do_mount+0x1272/0x1c30 [ 79.050737][ T7947] ? fault_create_debugfs_attr+0x150/0x150 [ 79.056513][ T7947] ? find_held_lock+0x36/0x1d0 [ 79.061248][ T7947] should_fail_alloc_page+0x50/0x60 [ 79.066426][ T7947] __alloc_pages_nodemask+0x17f/0x880 [ 79.071768][ T7947] ? cache_grow_end+0xab/0x190 [ 79.076512][ T7947] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 79.083413][ T7947] ? do_raw_spin_lock+0x132/0x2e0 [ 79.088428][ T7947] cache_grow_begin+0x92/0xc70 [ 79.093158][ T7947] ? __kmalloc+0xc5/0x7a0 [ 79.097455][ T7947] ? trace_hardirqs_off+0x41/0x1a0 [ 79.102533][ T7947] __kmalloc+0x6d3/0x7a0 [ 79.106756][ T7947] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 79.112023][ T7947] p9_fcall_init.isra.2+0x55/0x1c0 [ 79.117100][ T7947] p9_client_prepare_req.part.5+0x116/0x670 [ 79.122962][ T7947] p9_client_rpc+0x174/0xe50 [ 79.127519][ T7947] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 79.133292][ T7947] ? __debug_object_init+0x4fc/0x10f0 [ 79.138637][ T7947] ? __kasan_check_read+0x11/0x20 [ 79.143633][ T7947] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.149673][ T7947] ? free_object+0x70/0x70 [ 79.154060][ T7947] ? ksys_dup3+0x2e0/0x2e0 [ 79.158455][ T7947] ? lockdep_init_map_waits+0x270/0x870 [ 79.163975][ T7947] ? __kasan_check_write+0x14/0x20 [ 79.169056][ T7947] ? p9_conn_create+0x3ce/0x4f0 [ 79.173875][ T7947] ? p9_conn_create+0x4f0/0x4f0 [ 79.178697][ T7947] p9_client_create+0x7fb/0x10f0 [ 79.183607][ T7947] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 79.189643][ T7947] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.195158][ T7947] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.201189][ T7947] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.206968][ T7947] ? lockdep_init_map_waits+0x270/0x870 [ 79.212486][ T7947] v9fs_session_init+0x1ed/0x14c0 [ 79.217495][ T7947] ? v9fs_session_init+0x1ed/0x14c0 [ 79.222660][ T7947] ? find_held_lock+0x36/0x1d0 [ 79.227395][ T7947] ? v9fs_show_options+0x6c0/0x6c0 [ 79.232473][ T7947] ? __kasan_check_read+0x11/0x20 [ 79.237474][ T7947] ? v9fs_mount+0x55/0x7f0 [ 79.241862][ T7947] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.247465][ T7947] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.253514][ T7947] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.259293][ T7947] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.264808][ T7947] ? apparmor_task_alloc+0x2f0/0x2f0 [ 79.270064][ T7947] v9fs_mount+0x72/0x7f0 [ 79.274290][ T7947] ? v9fs_write_inode+0x50/0x50 [ 79.279803][ T7947] legacy_get_tree+0x103/0x1f0 [ 79.284553][ T7947] vfs_get_tree+0x8b/0x2d0 [ 79.288942][ T7947] ? capable+0x14/0x20 [ 79.292981][ T7947] do_mount+0x1272/0x1c30 [ 79.297281][ T7947] ? lock_downgrade+0x960/0x960 [ 79.302110][ T7947] ? copy_mount_string+0x20/0x20 [ 79.307111][ T7947] ? __kasan_check_write+0x14/0x20 [ 79.312188][ T7947] ? _copy_from_user+0xc5/0x110 [ 79.317011][ T7947] __x64_sys_mount+0x169/0x1c0 [ 79.321745][ T7947] do_syscall_64+0xd0/0x630 [ 79.326218][ T7947] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 79.332079][ T7947] RIP: 0033:0x458da9 [ 79.335943][ T7947] 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 [ 79.355522][ T7947] RSP: 002b:00007f95ee5c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 79.363907][ T7947] RAX: ffffffffffffffda RBX: 00007f95ee5c2c90 RCX: 0000000000458da9 [ 79.372039][ T7947] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 79.379981][ T7947] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 79.387932][ T7947] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5c36d4 [ 79.395892][ T7947] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.417577][ T7952] FAULT_INJECTION: forcing a failure. [ 79.417577][ T7952] name failslab, interval 1, probability 0, space 0, times 0 [ 79.430183][ T7952] CPU: 1 PID: 7952 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 79.438755][ T7952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.448801][ T7952] Call Trace: [ 79.452082][ T7952] dump_stack+0x12d/0x187 [ 79.456414][ T7952] should_fail.cold.4+0x5/0x13 [ 79.461194][ T7952] ? stack_trace_save+0x82/0xb0 [ 79.466040][ T7952] ? fault_create_debugfs_attr+0x150/0x150 [ 79.471841][ T7952] __should_failslab+0xba/0xf0 [ 79.476597][ T7952] should_failslab+0x9/0x14 [ 79.481097][ T7952] kmem_cache_alloc+0x47/0x760 [ 79.485848][ T7952] ? __kasan_check_read+0x11/0x20 [ 79.490856][ T7952] ? mark_lock+0xbf/0x630 [ 79.495171][ T7952] ? mark_held_locks+0x130/0x130 [ 79.500104][ T7952] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 79.506509][ T7952] idr_get_free+0x35d/0x880 [ 79.511010][ T7952] ? mark_held_locks+0x130/0x130 [ 79.515940][ T7952] idr_alloc_u32+0x13a/0x330 [ 79.520520][ T7952] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 79.526054][ T7952] ? lock_acquire+0x209/0x9e0 [ 79.530718][ T7952] ? __kasan_check_write+0x14/0x20 [ 79.535819][ T7952] ? do_raw_spin_lock+0x132/0x2e0 [ 79.540835][ T7952] idr_alloc+0x7d/0xc0 [ 79.544895][ T7952] ? idr_alloc_u32+0x330/0x330 [ 79.549650][ T7952] p9_client_prepare_req.part.5+0x571/0x670 [ 79.555535][ T7952] p9_client_rpc+0x174/0xe50 [ 79.561167][ T7952] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.567259][ T7952] ? p9_pollwait+0x182/0x210 [ 79.571845][ T7952] ? pipe_poll+0xc8/0x6b0 [ 79.576166][ T7952] ? ksys_dup3+0x2e0/0x2e0 [ 79.580577][ T7952] ? p9_fd_poll+0x19b/0x2a0 [ 79.585071][ T7952] ? p9_conn_create+0x3a5/0x4f0 [ 79.589918][ T7952] ? p9_conn_create+0x4f0/0x4f0 [ 79.594767][ T7952] p9_client_create+0x7fb/0x10f0 [ 79.599699][ T7952] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 79.605754][ T7952] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.611286][ T7952] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.617340][ T7952] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.623146][ T7952] ? lockdep_init_map_waits+0x270/0x870 [ 79.628697][ T7952] v9fs_session_init+0x1ed/0x14c0 [ 79.633715][ T7952] ? v9fs_session_init+0x1ed/0x14c0 [ 79.638910][ T7952] ? find_held_lock+0x36/0x1d0 [ 79.643669][ T7952] ? v9fs_show_options+0x6c0/0x6c0 [ 79.648767][ T7952] ? __kasan_check_read+0x11/0x20 [ 79.653780][ T7952] ? v9fs_mount+0x55/0x7f0 [ 79.658191][ T7952] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.663725][ T7952] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.669776][ T7952] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.675581][ T7952] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.681213][ T7952] ? apparmor_task_alloc+0x2f0/0x2f0 [ 79.686492][ T7952] v9fs_mount+0x72/0x7f0 [ 79.690737][ T7952] ? v9fs_write_inode+0x50/0x50 [ 79.695580][ T7952] legacy_get_tree+0x103/0x1f0 [ 79.697672][ T7956] FAULT_INJECTION: forcing a failure. [ 79.697672][ T7956] name failslab, interval 1, probability 0, space 0, times 0 [ 79.700351][ T7952] vfs_get_tree+0x8b/0x2d0 [ 79.717285][ T7952] ? capable+0x14/0x20 [ 79.721329][ T7952] do_mount+0x1272/0x1c30 [ 79.725644][ T7952] ? lock_downgrade+0x960/0x960 [ 79.730467][ T7952] ? copy_mount_string+0x20/0x20 [ 79.735388][ T7952] ? __kasan_check_write+0x14/0x20 [ 79.740470][ T7952] ? _copy_from_user+0xc5/0x110 [ 79.745297][ T7952] __x64_sys_mount+0x169/0x1c0 [ 79.750047][ T7952] do_syscall_64+0xd0/0x630 [ 79.754545][ T7952] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 79.760418][ T7952] RIP: 0033:0x458da9 [ 79.764284][ T7952] 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 [ 79.783859][ T7952] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 79.792241][ T7952] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 79.800183][ T7952] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 79.808132][ T7952] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 79.816073][ T7952] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 79.824018][ T7952] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.831981][ T7956] CPU: 0 PID: 7956 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 79.840550][ T7956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.850601][ T7956] Call Trace: [ 79.853880][ T7956] dump_stack+0x12d/0x187 [ 79.858209][ T7956] should_fail.cold.4+0x5/0x13 [ 79.862960][ T7956] ? stack_trace_save+0x82/0xb0 [ 79.867805][ T7956] ? fault_create_debugfs_attr+0x150/0x150 [ 79.873603][ T7956] __should_failslab+0xba/0xf0 [ 79.878428][ T7956] should_failslab+0x9/0x14 [ 79.882903][ T7956] kmem_cache_alloc+0x47/0x760 [ 79.887634][ T7956] ? __kasan_check_read+0x11/0x20 [ 79.892628][ T7956] ? mark_lock+0xbf/0x630 [ 79.896934][ T7956] ? legacy_get_tree+0x103/0x1f0 [ 79.901852][ T7956] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 79.908236][ T7956] idr_get_free+0x35d/0x880 [ 79.912710][ T7956] ? mark_held_locks+0x130/0x130 [ 79.917619][ T7956] idr_alloc_u32+0x13a/0x330 [ 79.922178][ T7956] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 79.927689][ T7956] ? lock_acquire+0x209/0x9e0 [ 79.932336][ T7956] ? __kasan_check_write+0x14/0x20 [ 79.937414][ T7956] ? do_raw_spin_lock+0x132/0x2e0 [ 79.942410][ T7956] idr_alloc+0x7d/0xc0 [ 79.946452][ T7956] ? idr_alloc_u32+0x330/0x330 [ 79.951285][ T7956] p9_client_prepare_req.part.5+0x571/0x670 [ 79.957163][ T7956] p9_client_rpc+0x174/0xe50 [ 79.961726][ T7956] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.967760][ T7956] ? p9_pollwait+0x182/0x210 [ 79.972329][ T7956] ? pipe_poll+0xc8/0x6b0 [ 79.976637][ T7956] ? ksys_dup3+0x2e0/0x2e0 [ 79.981028][ T7956] ? p9_fd_poll+0x19b/0x2a0 [ 79.985509][ T7956] ? p9_conn_create+0x3a5/0x4f0 [ 79.990342][ T7956] ? p9_conn_create+0x4f0/0x4f0 [ 79.995180][ T7956] p9_client_create+0x7fb/0x10f0 [ 80.000090][ T7956] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.006130][ T7956] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.011647][ T7956] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.017681][ T7956] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.023467][ T7956] ? lockdep_init_map_waits+0x270/0x870 [ 80.028986][ T7956] v9fs_session_init+0x1ed/0x14c0 [ 80.033977][ T7956] ? v9fs_session_init+0x1ed/0x14c0 [ 80.039142][ T7956] ? find_held_lock+0x36/0x1d0 [ 80.043888][ T7956] ? v9fs_show_options+0x6c0/0x6c0 [ 80.048971][ T7956] ? __kasan_check_read+0x11/0x20 [ 80.053964][ T7956] ? hmark_set_tuple_ports+0x20/0x1c0 [ 80.059304][ T7956] ? v9fs_mount+0x55/0x7f0 [ 80.063690][ T7956] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.069203][ T7956] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.075238][ T7956] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.081107][ T7956] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.086634][ T7956] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.091898][ T7956] v9fs_mount+0x72/0x7f0 [ 80.096114][ T7956] ? v9fs_write_inode+0x50/0x50 [ 80.100944][ T7956] legacy_get_tree+0x103/0x1f0 [ 80.105679][ T7956] vfs_get_tree+0x8b/0x2d0 [ 80.110072][ T7956] ? capable+0x14/0x20 [ 80.114114][ T7956] do_mount+0x1272/0x1c30 [ 80.118411][ T7956] ? lock_downgrade+0x960/0x960 [ 80.123231][ T7956] ? copy_mount_string+0x20/0x20 [ 80.128147][ T7956] ? __kasan_check_write+0x14/0x20 [ 80.133227][ T7956] ? _copy_from_user+0xc5/0x110 [ 80.138050][ T7956] __x64_sys_mount+0x169/0x1c0 [ 80.142784][ T7956] do_syscall_64+0xd0/0x630 [ 80.147260][ T7956] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 80.153121][ T7956] RIP: 0033:0x458da9 [ 80.156989][ 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 [ 80.176563][ T7956] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 80.184950][ T7956] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 80.192949][ T7956] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 80.200912][ T7956] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 80.208878][ T7956] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 80.216831][ T7956] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 80.231469][ T7967] FAULT_INJECTION: forcing a failure. [ 80.231469][ T7967] name failslab, interval 1, probability 0, space 0, times 0 [ 80.244069][ T7967] CPU: 0 PID: 7967 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 80.252731][ T7967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.262777][ T7967] Call Trace: [ 80.266061][ T7967] dump_stack+0x12d/0x187 [ 80.270093][ T7971] FAULT_INJECTION: forcing a failure. [ 80.270093][ T7971] name failslab, interval 1, probability 0, space 0, times 0 [ 80.270382][ T7967] should_fail.cold.4+0x5/0x13 [ 80.287688][ T7967] ? fault_create_debugfs_attr+0x150/0x150 [ 80.293467][ T7967] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 80.300026][ T7967] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.305564][ T7967] __should_failslab+0xba/0xf0 [ 80.310306][ T7967] should_failslab+0x9/0x14 [ 80.314780][ T7967] kmem_cache_alloc+0x47/0x760 [ 80.319514][ T7967] ? __kasan_check_read+0x11/0x20 [ 80.324522][ T7967] ? mark_lock+0xbf/0x630 [ 80.328820][ T7967] ? mark_held_locks+0x130/0x130 [ 80.333730][ T7967] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 80.340115][ T7967] idr_get_free+0x35d/0x880 [ 80.344609][ T7967] idr_alloc_u32+0x13a/0x330 [ 80.349178][ T7967] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 80.354705][ T7967] ? lock_acquire+0x209/0x9e0 [ 80.359542][ T7967] ? __kasan_check_write+0x14/0x20 [ 80.364627][ T7967] ? do_raw_spin_lock+0x132/0x2e0 [ 80.369637][ T7967] idr_alloc+0x7d/0xc0 [ 80.373681][ T7967] ? idr_alloc_u32+0x330/0x330 [ 80.378425][ T7967] p9_client_prepare_req.part.5+0x571/0x670 [ 80.384307][ T7967] p9_client_rpc+0x174/0xe50 [ 80.388871][ T7967] ? p9_client_prepare_req.part.5+0x670/0x670 [ 80.395270][ T7967] ? p9_pollwait+0x182/0x210 [ 80.399839][ T7967] ? pipe_poll+0xc8/0x6b0 [ 80.404139][ T7967] ? ksys_dup3+0x2e0/0x2e0 [ 80.408532][ T7967] ? p9_fd_poll+0x19b/0x2a0 [ 80.413005][ T7967] ? p9_conn_create+0x3a5/0x4f0 [ 80.417947][ T7967] ? p9_conn_create+0x4f0/0x4f0 [ 80.422778][ T7967] p9_client_create+0x7fb/0x10f0 [ 80.427697][ T7967] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.433738][ T7967] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.439260][ T7967] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.445299][ T7967] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.451169][ T7967] ? lockdep_init_map_waits+0x270/0x870 [ 80.456704][ T7967] v9fs_session_init+0x1ed/0x14c0 [ 80.461699][ T7967] ? v9fs_session_init+0x1ed/0x14c0 [ 80.466868][ T7967] ? find_held_lock+0x36/0x1d0 [ 80.471609][ T7967] ? v9fs_show_options+0x6c0/0x6c0 [ 80.476690][ T7967] ? __kasan_check_read+0x11/0x20 [ 80.481696][ T7967] ? v9fs_mount+0x55/0x7f0 [ 80.486082][ T7967] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.491670][ T7967] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.497705][ T7967] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.503485][ T7967] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.509001][ T7967] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.514260][ T7967] v9fs_mount+0x72/0x7f0 [ 80.518477][ T7967] ? v9fs_write_inode+0x50/0x50 [ 80.523299][ T7967] legacy_get_tree+0x103/0x1f0 [ 80.528036][ T7967] vfs_get_tree+0x8b/0x2d0 [ 80.532433][ T7967] ? capable+0x14/0x20 [ 80.536481][ T7967] do_mount+0x1272/0x1c30 [ 80.540791][ T7967] ? lock_downgrade+0x960/0x960 [ 80.545634][ T7967] ? copy_mount_string+0x20/0x20 [ 80.550551][ T7967] ? __kasan_check_write+0x14/0x20 [ 80.555650][ T7967] ? _copy_from_user+0xc5/0x110 [ 80.560502][ T7967] __x64_sys_mount+0x169/0x1c0 [ 80.565253][ T7967] do_syscall_64+0xd0/0x630 [ 80.569731][ T7967] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 80.575593][ T7967] RIP: 0033:0x458da9 [ 80.579505][ T7967] 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 [ 80.599108][ T7967] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 80.607507][ T7967] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 80.615452][ T7967] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 80.623398][ T7967] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 80.631359][ T7967] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 80.639307][ T7967] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 80.647274][ T7971] CPU: 1 PID: 7971 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 80.655868][ T7971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.665913][ T7971] Call Trace: [ 80.669230][ T7971] dump_stack+0x12d/0x187 [ 80.673558][ T7971] should_fail.cold.4+0x5/0x13 [ 80.676264][ T7975] FAULT_INJECTION: forcing a failure. [ 80.676264][ T7975] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.678312][ T7971] ? stack_trace_save+0x82/0xb0 [ 80.696289][ T7971] ? fault_create_debugfs_attr+0x150/0x150 [ 80.702077][ T7971] __should_failslab+0xba/0xf0 [ 80.706810][ T7971] should_failslab+0x9/0x14 [ 80.711287][ T7971] kmem_cache_alloc+0x47/0x760 [ 80.716019][ T7971] ? __kasan_check_read+0x11/0x20 [ 80.721025][ T7971] ? mark_lock+0xbf/0x630 [ 80.725322][ T7971] ? mark_held_locks+0x130/0x130 [ 80.730233][ T7971] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 80.736620][ T7971] idr_get_free+0x35d/0x880 [ 80.741099][ T7971] ? mark_held_locks+0x130/0x130 [ 80.746008][ T7971] idr_alloc_u32+0x13a/0x330 [ 80.750574][ T7971] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 80.756089][ T7971] ? lock_acquire+0x209/0x9e0 [ 80.760738][ T7971] ? __kasan_check_write+0x14/0x20 [ 80.765818][ T7971] ? do_raw_spin_lock+0x132/0x2e0 [ 80.770816][ T7971] idr_alloc+0x7d/0xc0 [ 80.774881][ T7971] ? idr_alloc_u32+0x330/0x330 [ 80.779624][ T7971] p9_client_prepare_req.part.5+0x571/0x670 [ 80.785492][ T7971] p9_client_rpc+0x174/0xe50 [ 80.790056][ T7971] ? p9_client_prepare_req.part.5+0x670/0x670 [ 80.796099][ T7971] ? p9_pollwait+0x182/0x210 [ 80.800674][ T7971] ? pipe_poll+0xc8/0x6b0 [ 80.804973][ T7971] ? ksys_dup3+0x2e0/0x2e0 [ 80.809364][ T7971] ? p9_fd_poll+0x19b/0x2a0 [ 80.813838][ T7971] ? p9_conn_create+0x3a5/0x4f0 [ 80.818673][ T7971] ? p9_conn_create+0x4f0/0x4f0 [ 80.823516][ T7971] p9_client_create+0x7fb/0x10f0 [ 80.828428][ T7971] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.834465][ T7971] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.839984][ T7971] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.846110][ T7971] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.851897][ T7971] ? lockdep_init_map_waits+0x270/0x870 [ 80.857423][ T7971] v9fs_session_init+0x1ed/0x14c0 [ 80.862419][ T7971] ? v9fs_session_init+0x1ed/0x14c0 [ 80.867588][ T7971] ? find_held_lock+0x36/0x1d0 [ 80.872339][ T7971] ? v9fs_show_options+0x6c0/0x6c0 [ 80.877616][ T7971] ? __kasan_check_read+0x11/0x20 [ 80.882615][ T7971] ? fib6_add+0x760/0x36d0 [ 80.887003][ T7971] ? v9fs_mount+0x55/0x7f0 [ 80.891391][ T7971] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.896906][ T7971] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.902940][ T7971] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.908735][ T7971] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.914249][ T7971] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.919506][ T7971] v9fs_mount+0x72/0x7f0 [ 80.923731][ T7971] ? v9fs_write_inode+0x50/0x50 [ 80.928553][ T7971] legacy_get_tree+0x103/0x1f0 [ 80.933291][ T7971] vfs_get_tree+0x8b/0x2d0 [ 80.937686][ T7971] ? capable+0x14/0x20 [ 80.941726][ T7971] do_mount+0x1272/0x1c30 [ 80.946023][ T7971] ? lock_downgrade+0x960/0x960 [ 80.950855][ T7971] ? copy_mount_string+0x20/0x20 [ 80.955773][ T7971] ? __kasan_check_write+0x14/0x20 [ 80.960857][ T7971] ? _copy_from_user+0xc5/0x110 [ 80.965682][ T7971] __x64_sys_mount+0x169/0x1c0 [ 80.970419][ T7971] do_syscall_64+0xd0/0x630 [ 80.974900][ T7971] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 80.980764][ T7971] RIP: 0033:0x458da9 [ 80.984630][ T7971] 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 [ 81.004212][ T7971] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.012594][ T7971] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 81.020538][ T7971] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.028481][ T7971] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 81.036427][ T7971] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 81.044383][ T7971] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.053301][ T7975] CPU: 0 PID: 7975 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 81.061876][ T7975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.071923][ T7975] Call Trace: [ 81.075197][ T7975] dump_stack+0x12d/0x187 [ 81.079521][ T7975] should_fail.cold.4+0x5/0x13 [ 81.084272][ T7975] ? do_mount+0x1272/0x1c30 [ 81.088768][ T7975] ? fault_create_debugfs_attr+0x150/0x150 [ 81.094567][ T7975] ? find_held_lock+0x36/0x1d0 [ 81.099325][ T7975] should_fail_alloc_page+0x50/0x60 [ 81.104519][ T7975] __alloc_pages_nodemask+0x17f/0x880 [ 81.109886][ T7975] ? cache_grow_end+0xab/0x190 [ 81.114642][ T7975] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 81.121567][ T7975] ? do_raw_spin_lock+0x132/0x2e0 [ 81.126592][ T7975] cache_grow_begin+0x92/0xc70 [ 81.131347][ T7975] ? __kmalloc+0xc5/0x7a0 [ 81.135669][ T7975] ? trace_hardirqs_off+0x41/0x1a0 [ 81.140772][ T7975] __kmalloc+0x6d3/0x7a0 [ 81.145008][ T7975] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 81.150291][ T7975] p9_fcall_init.isra.2+0x55/0x1c0 [ 81.155394][ T7975] p9_client_prepare_req.part.5+0x116/0x670 [ 81.161282][ T7975] p9_client_rpc+0x174/0xe50 [ 81.165866][ T7975] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.171926][ T7975] ? p9_pollwait+0x182/0x210 [ 81.176508][ T7975] ? pipe_poll+0xc8/0x6b0 [ 81.180832][ T7975] ? ksys_dup3+0x2e0/0x2e0 [ 81.185242][ T7975] ? p9_fd_poll+0x19b/0x2a0 [ 81.189740][ T7975] ? p9_conn_create+0x3a5/0x4f0 [ 81.191962][ T7974] FAULT_INJECTION: forcing a failure. [ 81.191962][ T7974] name failslab, interval 1, probability 0, space 0, times 0 [ 81.194575][ T7975] ? p9_conn_create+0x4f0/0x4f0 [ 81.211949][ T7975] p9_client_create+0x7fb/0x10f0 [ 81.216860][ T7975] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 81.222896][ T7975] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.228409][ T7975] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.234445][ T7975] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.240228][ T7975] ? lockdep_init_map_waits+0x270/0x870 [ 81.245751][ T7975] v9fs_session_init+0x1ed/0x14c0 [ 81.250744][ T7975] ? v9fs_session_init+0x1ed/0x14c0 [ 81.255920][ T7975] ? find_held_lock+0x36/0x1d0 [ 81.260658][ T7975] ? v9fs_show_options+0x6c0/0x6c0 [ 81.265738][ T7975] ? __kasan_check_read+0x11/0x20 [ 81.270733][ T7975] ? v9fs_mount+0x55/0x7f0 [ 81.275117][ T7975] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.280635][ T7975] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.286688][ T7975] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.292480][ T7975] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.298002][ T7975] ? apparmor_task_alloc+0x2f0/0x2f0 [ 81.303271][ T7975] v9fs_mount+0x72/0x7f0 [ 81.307486][ T7975] ? v9fs_write_inode+0x50/0x50 [ 81.312308][ T7975] legacy_get_tree+0x103/0x1f0 [ 81.317047][ T7975] vfs_get_tree+0x8b/0x2d0 [ 81.321434][ T7975] ? capable+0x14/0x20 [ 81.325476][ T7975] do_mount+0x1272/0x1c30 [ 81.329774][ T7975] ? lock_downgrade+0x960/0x960 [ 81.334596][ T7975] ? copy_mount_string+0x20/0x20 [ 81.339508][ T7975] ? __kasan_check_write+0x14/0x20 [ 81.344587][ T7975] ? _copy_from_user+0xc5/0x110 [ 81.349414][ T7975] __x64_sys_mount+0x169/0x1c0 [ 81.354157][ T7975] do_syscall_64+0xd0/0x630 [ 81.358639][ T7975] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 81.364589][ T7975] RIP: 0033:0x458da9 [ 81.368466][ T7975] 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 [ 81.388040][ T7975] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.396510][ T7975] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 81.404459][ T7975] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.412419][ T7975] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 81.420373][ T7975] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 81.428323][ T7975] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.436309][ T7974] CPU: 1 PID: 7974 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 81.444884][ T7974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.454933][ T7974] Call Trace: [ 81.458210][ T7974] dump_stack+0x12d/0x187 [ 81.462534][ T7974] should_fail.cold.4+0x5/0x13 [ 81.467288][ T7974] ? fault_create_debugfs_attr+0x150/0x150 [ 81.473087][ T7974] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 81.476119][ T7983] FAULT_INJECTION: forcing a failure. [ 81.476119][ T7983] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.479660][ T7974] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.498346][ T7974] __should_failslab+0xba/0xf0 [ 81.503094][ T7974] should_failslab+0x9/0x14 [ 81.507569][ T7974] kmem_cache_alloc+0x47/0x760 [ 81.512303][ T7974] ? __kasan_check_read+0x11/0x20 [ 81.517301][ T7974] ? mark_lock+0xbf/0x630 [ 81.521602][ T7974] ? legacy_get_tree+0x103/0x1f0 [ 81.527556][ T7974] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 81.533943][ T7974] idr_get_free+0x35d/0x880 [ 81.538425][ T7974] idr_alloc_u32+0x13a/0x330 [ 81.542985][ T7974] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 81.548498][ T7974] ? lock_acquire+0x209/0x9e0 [ 81.553150][ T7974] ? __kasan_check_write+0x14/0x20 [ 81.558240][ T7974] ? do_raw_spin_lock+0x132/0x2e0 [ 81.563236][ T7974] idr_alloc+0x7d/0xc0 [ 81.567278][ T7974] ? idr_alloc_u32+0x330/0x330 [ 81.572035][ T7974] p9_client_prepare_req.part.5+0x571/0x670 [ 81.578004][ T7974] p9_client_rpc+0x174/0xe50 [ 81.582583][ T7974] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.588628][ T7974] ? p9_pollwait+0x182/0x210 [ 81.593196][ T7974] ? pipe_poll+0xc8/0x6b0 [ 81.597513][ T7974] ? ksys_dup3+0x2e0/0x2e0 [ 81.601900][ T7974] ? p9_fd_poll+0x19b/0x2a0 [ 81.606376][ T7974] ? p9_conn_create+0x3a5/0x4f0 [ 81.611217][ T7974] ? p9_conn_create+0x4f0/0x4f0 [ 81.616045][ T7974] p9_client_create+0x7fb/0x10f0 [ 81.620959][ T7974] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 81.626996][ T7974] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.632516][ T7974] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.638549][ T7974] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.644516][ T7974] ? lockdep_init_map_waits+0x270/0x870 [ 81.650039][ T7974] v9fs_session_init+0x1ed/0x14c0 [ 81.655043][ T7974] ? v9fs_session_init+0x1ed/0x14c0 [ 81.660213][ T7974] ? find_held_lock+0x36/0x1d0 [ 81.664953][ T7974] ? v9fs_show_options+0x6c0/0x6c0 [ 81.670032][ T7974] ? __kasan_check_read+0x11/0x20 [ 81.675028][ T7974] ? v9fs_mount+0x55/0x7f0 [ 81.679414][ T7974] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.684930][ T7974] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.690979][ T7974] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.696759][ T7974] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.702279][ T7974] ? apparmor_task_alloc+0x2f0/0x2f0 [ 81.707537][ T7974] v9fs_mount+0x72/0x7f0 [ 81.711756][ T7974] ? v9fs_write_inode+0x50/0x50 [ 81.716580][ T7974] legacy_get_tree+0x103/0x1f0 [ 81.721328][ T7974] vfs_get_tree+0x8b/0x2d0 [ 81.725724][ T7974] ? capable+0x14/0x20 [ 81.729767][ T7974] do_mount+0x1272/0x1c30 [ 81.734066][ T7974] ? lock_downgrade+0x960/0x960 [ 81.738887][ T7974] ? copy_mount_string+0x20/0x20 [ 81.743812][ T7974] ? __kasan_check_write+0x14/0x20 [ 81.748895][ T7974] ? _copy_from_user+0xc5/0x110 [ 81.753733][ T7974] __x64_sys_mount+0x169/0x1c0 [ 81.758470][ T7974] do_syscall_64+0xd0/0x630 [ 81.762946][ T7974] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 81.768807][ T7974] RIP: 0033:0x458da9 [ 81.772676][ T7974] 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 [ 81.792252][ T7974] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.800631][ T7974] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 81.808576][ T7974] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.816523][ T7974] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 81.824469][ T7974] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 81.832418][ T7974] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.840383][ T7983] CPU: 0 PID: 7983 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 81.848963][ T7983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.860832][ T7983] Call Trace: [ 81.864115][ T7983] dump_stack+0x12d/0x187 [ 81.868445][ T7983] should_fail.cold.4+0x5/0x13 [ 81.873200][ T7983] ? do_mount+0x1272/0x1c30 [ 81.877701][ T7983] ? fault_create_debugfs_attr+0x150/0x150 [ 81.883525][ T7983] ? find_held_lock+0x36/0x1d0 [ 81.888374][ T7983] should_fail_alloc_page+0x50/0x60 [ 81.893594][ T7983] __alloc_pages_nodemask+0x17f/0x880 [ 81.898958][ T7983] ? cache_grow_end+0xab/0x190 [ 81.903715][ T7983] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 81.910637][ T7983] ? do_raw_spin_lock+0x132/0x2e0 [ 81.915663][ T7983] cache_grow_begin+0x92/0xc70 [ 81.920419][ T7983] ? __kmalloc+0xc5/0x7a0 [ 81.924740][ T7983] ? trace_hardirqs_off+0x41/0x1a0 [ 81.929849][ T7983] __kmalloc+0x6d3/0x7a0 2020/04/21 09:24:38 executed programs: 79 [ 81.934087][ T7983] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 81.939365][ T7983] p9_fcall_init.isra.2+0x55/0x1c0 [ 81.944467][ T7983] p9_client_prepare_req.part.5+0x116/0x670 [ 81.950349][ T7983] p9_client_rpc+0x174/0xe50 [ 81.954947][ T7983] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.961002][ T7983] ? p9_pollwait+0x182/0x210 [ 81.965586][ T7983] ? pipe_poll+0xc8/0x6b0 [ 81.965607][ T7995] FAULT_INJECTION: forcing a failure. [ 81.965607][ T7995] name failslab, interval 1, probability 0, space 0, times 0 [ 81.969900][ T7983] ? ksys_dup3+0x2e0/0x2e0 [ 81.986833][ T7983] ? p9_fd_poll+0x19b/0x2a0 [ 81.991311][ T7983] ? p9_conn_create+0x3a5/0x4f0 [ 81.996134][ T7983] ? p9_conn_create+0x4f0/0x4f0 [ 82.000971][ T7983] p9_client_create+0x7fb/0x10f0 [ 82.005883][ T7983] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 82.011922][ T7983] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.017437][ T7983] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.023472][ T7983] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.029264][ T7983] ? lockdep_init_map_waits+0x270/0x870 [ 82.034785][ T7983] v9fs_session_init+0x1ed/0x14c0 [ 82.039779][ T7983] ? v9fs_session_init+0x1ed/0x14c0 [ 82.044946][ T7983] ? find_held_lock+0x36/0x1d0 [ 82.049682][ T7983] ? v9fs_show_options+0x6c0/0x6c0 [ 82.054770][ T7983] ? __kasan_check_read+0x11/0x20 [ 82.059764][ T7983] ? cbq_change_class+0x1d40/0x23ee [ 82.064932][ T7983] ? v9fs_mount+0x55/0x7f0 [ 82.069322][ T7983] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.074838][ T7983] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.080872][ T7983] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.086656][ T7983] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.092171][ T7983] ? apparmor_task_alloc+0x2f0/0x2f0 [ 82.097514][ T7983] v9fs_mount+0x72/0x7f0 [ 82.101735][ T7983] ? v9fs_write_inode+0x50/0x50 [ 82.106556][ T7983] legacy_get_tree+0x103/0x1f0 [ 82.111291][ T7983] vfs_get_tree+0x8b/0x2d0 [ 82.115677][ T7983] ? capable+0x14/0x20 [ 82.119719][ T7983] do_mount+0x1272/0x1c30 [ 82.124021][ T7983] ? lock_downgrade+0x960/0x960 [ 82.128844][ T7983] ? copy_mount_string+0x20/0x20 [ 82.133772][ T7983] ? __kasan_check_write+0x14/0x20 [ 82.138852][ T7983] ? _copy_from_user+0xc5/0x110 [ 82.143677][ T7983] __x64_sys_mount+0x169/0x1c0 [ 82.148426][ T7983] do_syscall_64+0xd0/0x630 [ 82.152904][ T7983] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 82.158766][ T7983] RIP: 0033:0x458da9 [ 82.162634][ 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 [ 82.182211][ T7983] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.190594][ T7983] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 82.198537][ T7983] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.206490][ T7983] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.214442][ T7983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 82.222387][ T7983] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.230355][ T7995] CPU: 1 PID: 7995 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 82.238937][ T7995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.248985][ T7995] Call Trace: [ 82.252272][ T7995] dump_stack+0x12d/0x187 [ 82.256606][ T7995] should_fail.cold.4+0x5/0x13 [ 82.261378][ T7995] ? fault_create_debugfs_attr+0x150/0x150 [ 82.267172][ T7995] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 82.273749][ T7995] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.279290][ T7995] __should_failslab+0xba/0xf0 [ 82.284043][ T7995] should_failslab+0x9/0x14 [ 82.288112][ T7998] FAULT_INJECTION: forcing a failure. [ 82.288112][ T7998] name failslab, interval 1, probability 0, space 0, times 0 [ 82.288532][ T7995] kmem_cache_alloc+0x47/0x760 [ 82.305826][ T7995] ? __kasan_check_read+0x11/0x20 [ 82.312047][ T7995] ? mark_lock+0xbf/0x630 [ 82.316346][ T7995] ? legacy_get_tree+0x103/0x1f0 [ 82.321261][ T7995] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 82.327646][ T7995] idr_get_free+0x35d/0x880 [ 82.332129][ T7995] idr_alloc_u32+0x13a/0x330 [ 82.337139][ T7995] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 82.342667][ T7995] ? lock_acquire+0x209/0x9e0 [ 82.347324][ T7995] ? __kasan_check_write+0x14/0x20 [ 82.353536][ T7995] ? do_raw_spin_lock+0x132/0x2e0 [ 82.358539][ T7995] idr_alloc+0x7d/0xc0 [ 82.362604][ T7995] ? idr_alloc_u32+0x330/0x330 [ 82.367353][ T7995] p9_client_prepare_req.part.5+0x571/0x670 [ 82.373237][ T7995] p9_client_rpc+0x174/0xe50 [ 82.377810][ T7995] ? p9_client_prepare_req.part.5+0x670/0x670 [ 82.383852][ T7995] ? p9_pollwait+0x182/0x210 [ 82.388422][ T7995] ? pipe_poll+0xc8/0x6b0 [ 82.392729][ T7995] ? ksys_dup3+0x2e0/0x2e0 [ 82.397118][ T7995] ? p9_fd_poll+0x19b/0x2a0 [ 82.401591][ T7995] ? p9_conn_create+0x3a5/0x4f0 [ 82.406530][ T7995] ? p9_conn_create+0x4f0/0x4f0 [ 82.411361][ T7995] p9_client_create+0x7fb/0x10f0 [ 82.416296][ T7995] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 82.422335][ T7995] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.427852][ T7995] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.433888][ T7995] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.439676][ T7995] ? lockdep_init_map_waits+0x270/0x870 [ 82.445206][ T7995] v9fs_session_init+0x1ed/0x14c0 [ 82.450213][ T7995] ? v9fs_session_init+0x1ed/0x14c0 [ 82.455385][ T7995] ? find_held_lock+0x36/0x1d0 [ 82.460122][ T7995] ? v9fs_show_options+0x6c0/0x6c0 [ 82.465200][ T7995] ? __kasan_check_read+0x11/0x20 [ 82.470199][ T7995] ? v9fs_mount+0x55/0x7f0 [ 82.474585][ T7995] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.480099][ T7995] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.486133][ T7995] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.491914][ T7995] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.497439][ T7995] ? apparmor_task_alloc+0x2f0/0x2f0 [ 82.502696][ T7995] v9fs_mount+0x72/0x7f0 [ 82.506919][ T7995] ? v9fs_write_inode+0x50/0x50 [ 82.511740][ T7995] legacy_get_tree+0x103/0x1f0 [ 82.516476][ T7995] vfs_get_tree+0x8b/0x2d0 [ 82.520861][ T7995] ? capable+0x14/0x20 [ 82.524901][ T7995] do_mount+0x1272/0x1c30 [ 82.529204][ T7995] ? lock_downgrade+0x960/0x960 [ 82.534029][ T7995] ? copy_mount_string+0x20/0x20 [ 82.538945][ T7995] ? __kasan_check_write+0x14/0x20 [ 82.544039][ T7995] ? _copy_from_user+0xc5/0x110 [ 82.548866][ T7995] __x64_sys_mount+0x169/0x1c0 [ 82.553606][ T7995] do_syscall_64+0xd0/0x630 [ 82.558111][ T7995] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 82.563993][ T7995] RIP: 0033:0x458da9 [ 82.567877][ T7995] 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 [ 82.587469][ T7995] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.595860][ T7995] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 82.603809][ T7995] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.611762][ T7995] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.619707][ T7995] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 82.627651][ T7995] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.635617][ T7998] CPU: 0 PID: 7998 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 82.644193][ T7998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.654242][ T7998] Call Trace: [ 82.657530][ T7998] dump_stack+0x12d/0x187 [ 82.661859][ T7998] should_fail.cold.4+0x5/0x13 [ 82.666656][ T7998] ? fault_create_debugfs_attr+0x150/0x150 [ 82.672455][ T7998] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 82.679035][ T7998] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.685272][ T7998] __should_failslab+0xba/0xf0 [ 82.690026][ T7998] should_failslab+0x9/0x14 [ 82.694521][ T7998] kmem_cache_alloc+0x47/0x760 [ 82.699283][ T7998] ? __kasan_check_read+0x11/0x20 [ 82.704333][ T7998] ? mark_lock+0xbf/0x630 [ 82.706532][ T8008] FAULT_INJECTION: forcing a failure. [ 82.706532][ T8008] name failslab, interval 1, probability 0, space 0, times 0 [ 82.708662][ T7998] ? legacy_get_tree+0x103/0x1f0 [ 82.726134][ T7998] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 82.734262][ T7998] idr_get_free+0x35d/0x880 [ 82.738745][ T7998] idr_alloc_u32+0x13a/0x330 [ 82.743307][ T7998] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 82.748826][ T7998] ? lock_acquire+0x209/0x9e0 [ 82.753480][ T7998] ? __kasan_check_write+0x14/0x20 [ 82.758562][ T7998] ? do_raw_spin_lock+0x132/0x2e0 [ 82.763558][ T7998] idr_alloc+0x7d/0xc0 [ 82.768467][ T7998] ? idr_alloc_u32+0x330/0x330 [ 82.773208][ T7998] p9_client_prepare_req.part.5+0x571/0x670 [ 82.781179][ T7998] p9_client_rpc+0x174/0xe50 [ 82.785743][ T7998] ? p9_client_prepare_req.part.5+0x670/0x670 [ 82.791782][ T7998] ? p9_pollwait+0x182/0x210 [ 82.796360][ T7998] ? pipe_poll+0xc8/0x6b0 [ 82.800669][ T7998] ? ksys_dup3+0x2e0/0x2e0 [ 82.805058][ T7998] ? p9_fd_poll+0x19b/0x2a0 [ 82.809531][ T7998] ? p9_conn_create+0x3a5/0x4f0 [ 82.814361][ T7998] ? p9_conn_create+0x4f0/0x4f0 [ 82.819198][ T7998] p9_client_create+0x7fb/0x10f0 [ 82.824118][ T7998] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 82.830158][ T7998] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.835675][ T7998] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.841716][ T7998] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.847496][ T7998] ? lockdep_init_map_waits+0x270/0x870 [ 82.853024][ T7998] v9fs_session_init+0x1ed/0x14c0 [ 82.858026][ T7998] ? v9fs_session_init+0x1ed/0x14c0 [ 82.863200][ T7998] ? find_held_lock+0x36/0x1d0 [ 82.867938][ T7998] ? v9fs_show_options+0x6c0/0x6c0 [ 82.873018][ T7998] ? __kasan_check_read+0x11/0x20 [ 82.878014][ T7998] ? v9fs_mount+0x55/0x7f0 [ 82.882401][ T7998] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.887916][ T7998] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.893951][ T7998] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.899729][ T7998] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.905243][ T7998] ? apparmor_task_alloc+0x2f0/0x2f0 [ 82.910503][ T7998] v9fs_mount+0x72/0x7f0 [ 82.914728][ T7998] ? v9fs_write_inode+0x50/0x50 [ 82.919549][ T7998] legacy_get_tree+0x103/0x1f0 [ 82.924285][ T7998] vfs_get_tree+0x8b/0x2d0 [ 82.928675][ T7998] ? capable+0x14/0x20 [ 82.932717][ T7998] do_mount+0x1272/0x1c30 [ 82.937034][ T7998] ? lock_downgrade+0x960/0x960 [ 82.941865][ T7998] ? copy_mount_string+0x20/0x20 [ 82.946819][ T7998] ? __kasan_check_write+0x14/0x20 [ 82.952188][ T7998] ? _copy_from_user+0xc5/0x110 [ 82.957023][ T7998] __x64_sys_mount+0x169/0x1c0 [ 82.961768][ T7998] do_syscall_64+0xd0/0x630 [ 82.966247][ T7998] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 82.972108][ T7998] RIP: 0033:0x458da9 [ 82.975979][ 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 [ 82.996336][ T7998] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 83.004716][ T7998] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 83.012659][ T7998] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 83.020600][ T7998] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 83.028631][ T7998] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 83.036577][ T7998] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 83.044635][ T8008] CPU: 1 PID: 8008 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 83.053216][ T8008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.063706][ T8008] Call Trace: [ 83.066987][ T8008] dump_stack+0x12d/0x187 [ 83.071311][ T8008] should_fail.cold.4+0x5/0x13 [ 83.076083][ T8008] ? stack_trace_save+0x82/0xb0 [ 83.080929][ T8008] ? fault_create_debugfs_attr+0x150/0x150 [ 83.086750][ T8008] __should_failslab+0xba/0xf0 [ 83.091507][ T8008] should_failslab+0x9/0x14 [ 83.093656][ T8010] FAULT_INJECTION: forcing a failure. [ 83.093656][ T8010] name failslab, interval 1, probability 0, space 0, times 0 [ 83.095997][ T8008] kmem_cache_alloc+0x47/0x760 [ 83.113292][ T8008] ? __kasan_check_read+0x11/0x20 [ 83.118290][ T8008] ? mark_lock+0xbf/0x630 [ 83.122588][ T8008] ? legacy_get_tree+0x103/0x1f0 [ 83.127503][ T8008] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 83.133888][ T8008] idr_get_free+0x35d/0x880 [ 83.138366][ T8008] ? mark_held_locks+0x130/0x130 [ 83.143284][ T8008] idr_alloc_u32+0x13a/0x330 [ 83.147846][ T8008] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 83.153360][ T8008] ? lock_acquire+0x209/0x9e0 [ 83.158010][ T8008] ? __kasan_check_write+0x14/0x20 [ 83.163101][ T8008] ? do_raw_spin_lock+0x132/0x2e0 [ 83.168272][ T8008] idr_alloc+0x7d/0xc0 [ 83.172323][ T8008] ? idr_alloc_u32+0x330/0x330 [ 83.177063][ T8008] p9_client_prepare_req.part.5+0x571/0x670 [ 83.183103][ T8008] p9_client_rpc+0x174/0xe50 [ 83.187755][ T8008] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.193800][ T8008] ? p9_pollwait+0x182/0x210 [ 83.198366][ T8008] ? pipe_poll+0xc8/0x6b0 [ 83.202674][ T8008] ? ksys_dup3+0x2e0/0x2e0 [ 83.207069][ T8008] ? p9_fd_poll+0x19b/0x2a0 [ 83.211542][ T8008] ? p9_conn_create+0x3a5/0x4f0 [ 83.216365][ T8008] ? p9_conn_create+0x4f0/0x4f0 [ 83.221193][ T8008] p9_client_create+0x7fb/0x10f0 [ 83.226106][ T8008] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.232144][ T8008] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.237657][ T8008] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.243691][ T8008] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.249474][ T8008] ? lockdep_init_map_waits+0x270/0x870 [ 83.254997][ T8008] v9fs_session_init+0x1ed/0x14c0 [ 83.259990][ T8008] ? v9fs_session_init+0x1ed/0x14c0 [ 83.265163][ T8008] ? find_held_lock+0x36/0x1d0 [ 83.269991][ T8008] ? v9fs_show_options+0x6c0/0x6c0 [ 83.275072][ T8008] ? __kasan_check_read+0x11/0x20 [ 83.280079][ T8008] ? v9fs_mount+0x55/0x7f0 [ 83.284465][ T8008] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.289979][ T8008] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.296013][ T8008] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.301793][ T8008] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.307309][ T8008] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.312569][ T8008] v9fs_mount+0x72/0x7f0 [ 83.316787][ T8008] ? v9fs_write_inode+0x50/0x50 [ 83.321618][ T8008] legacy_get_tree+0x103/0x1f0 [ 83.326441][ T8008] vfs_get_tree+0x8b/0x2d0 [ 83.330826][ T8008] ? capable+0x14/0x20 [ 83.334872][ T8008] do_mount+0x1272/0x1c30 [ 83.339174][ T8008] ? lock_downgrade+0x960/0x960 [ 83.344012][ T8008] ? copy_mount_string+0x20/0x20 [ 83.348940][ T8008] ? __kasan_check_write+0x14/0x20 [ 83.354202][ T8008] ? _copy_from_user+0xc5/0x110 [ 83.359123][ T8008] __x64_sys_mount+0x169/0x1c0 [ 83.363872][ T8008] do_syscall_64+0xd0/0x630 [ 83.368373][ T8008] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 83.374260][ T8008] RIP: 0033:0x458da9 [ 83.378145][ T8008] 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 [ 83.397727][ T8008] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 83.406113][ T8008] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 83.414055][ T8008] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 83.422004][ T8008] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 83.429978][ T8008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 83.438025][ T8008] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 83.445992][ T8010] CPU: 0 PID: 8010 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 83.448336][ T7994] FAULT_INJECTION: forcing a failure. [ 83.448336][ T7994] name failslab, interval 1, probability 0, space 0, times 0 [ 83.454649][ T8010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.454655][ T8010] Call Trace: [ 83.480517][ T8010] dump_stack+0x12d/0x187 [ 83.484844][ T8010] should_fail.cold.4+0x5/0x13 [ 83.489595][ T8010] ? stack_trace_save+0x82/0xb0 [ 83.494433][ T8010] ? fault_create_debugfs_attr+0x150/0x150 [ 83.500236][ T8010] __should_failslab+0xba/0xf0 [ 83.504990][ T8010] should_failslab+0x9/0x14 [ 83.509485][ T8010] kmem_cache_alloc+0x47/0x760 [ 83.514242][ T8010] ? __kasan_check_read+0x11/0x20 [ 83.519249][ T8010] ? mark_lock+0xbf/0x630 [ 83.523562][ T8010] ? mark_held_locks+0x130/0x130 [ 83.528495][ T8010] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 83.534906][ T8010] idr_get_free+0x35d/0x880 [ 83.539400][ T8010] ? mark_held_locks+0x130/0x130 [ 83.544413][ T8010] idr_alloc_u32+0x13a/0x330 [ 83.548985][ T8010] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 83.554506][ T8010] ? lock_acquire+0x209/0x9e0 [ 83.559161][ T8010] ? __kasan_check_write+0x14/0x20 [ 83.564248][ T8010] ? do_raw_spin_lock+0x132/0x2e0 [ 83.569251][ T8010] idr_alloc+0x7d/0xc0 [ 83.573299][ T8010] ? idr_alloc_u32+0x330/0x330 [ 83.578047][ T8010] p9_client_prepare_req.part.5+0x571/0x670 [ 83.583933][ T8010] p9_client_rpc+0x174/0xe50 [ 83.588507][ T8010] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.594552][ T8010] ? p9_pollwait+0x182/0x210 [ 83.599122][ T8010] ? pipe_poll+0xc8/0x6b0 [ 83.603433][ T8010] ? ksys_dup3+0x2e0/0x2e0 [ 83.607834][ T8010] ? p9_fd_poll+0x19b/0x2a0 [ 83.612313][ T8010] ? p9_conn_create+0x3a5/0x4f0 [ 83.617145][ T8010] ? p9_conn_create+0x4f0/0x4f0 [ 83.621991][ T8010] p9_client_create+0x7fb/0x10f0 [ 83.626919][ T8010] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.632968][ T8010] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.638490][ T8010] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.644527][ T8010] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.650316][ T8010] ? lockdep_init_map_waits+0x270/0x870 [ 83.655856][ T8010] v9fs_session_init+0x1ed/0x14c0 [ 83.660863][ T8010] ? v9fs_session_init+0x1ed/0x14c0 [ 83.666034][ T8010] ? find_held_lock+0x36/0x1d0 [ 83.670778][ T8010] ? v9fs_show_options+0x6c0/0x6c0 [ 83.675863][ T8010] ? __kasan_check_read+0x11/0x20 [ 83.680866][ T8010] ? v9fs_mount+0x55/0x7f0 [ 83.685269][ T8010] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.690805][ T8010] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.696848][ T8010] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.702654][ T8010] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.708172][ T8010] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.713433][ T8010] v9fs_mount+0x72/0x7f0 [ 83.717652][ T8010] ? v9fs_write_inode+0x50/0x50 [ 83.722478][ T8010] legacy_get_tree+0x103/0x1f0 [ 83.727220][ T8010] vfs_get_tree+0x8b/0x2d0 [ 83.731627][ T8010] ? capable+0x14/0x20 [ 83.735682][ T8010] do_mount+0x1272/0x1c30 [ 83.739983][ T8010] ? lock_downgrade+0x960/0x960 [ 83.744987][ T8010] ? copy_mount_string+0x20/0x20 [ 83.749903][ T8010] ? __kasan_check_write+0x14/0x20 [ 83.754987][ T8010] ? _copy_from_user+0xc5/0x110 [ 83.759814][ T8010] __x64_sys_mount+0x169/0x1c0 [ 83.764568][ T8010] do_syscall_64+0xd0/0x630 [ 83.769049][ T8010] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 83.774912][ T8010] RIP: 0033:0x458da9 [ 83.778783][ T8010] 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 [ 83.798453][ T8010] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 83.806834][ T8010] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 83.815819][ T8010] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 83.823774][ T8010] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 83.831720][ T8010] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 83.839666][ T8010] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 83.847634][ T7994] CPU: 1 PID: 7994 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 83.856218][ T7994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.866265][ T7994] Call Trace: [ 83.869548][ T7994] dump_stack+0x12d/0x187 [ 83.873887][ T7994] should_fail.cold.4+0x5/0x13 [ 83.878652][ T7994] ? fault_create_debugfs_attr+0x150/0x150 [ 83.884461][ T7994] ? ___might_sleep+0x16b/0x2b0 [ 83.889481][ T7994] __should_failslab+0xba/0xf0 [ 83.894239][ T7994] should_failslab+0x9/0x14 [ 83.898734][ T7994] kmem_cache_alloc+0x2ba/0x760 [ 83.903575][ T7994] ? __kmalloc+0x623/0x7a0 [ 83.907982][ T7994] ? lockdep_init_map_waits+0x270/0x870 [ 83.911027][ T8020] FAULT_INJECTION: forcing a failure. [ 83.911027][ T8020] name failslab, interval 1, probability 0, space 0, times 0 [ 83.913516][ T7994] __radix_tree_preload+0xc1/0x230 [ 83.913526][ T7994] idr_preload+0xe/0x20 [ 83.913533][ T7994] p9_client_prepare_req.part.5+0x216/0x670 [ 83.913544][ T7994] p9_client_rpc+0x174/0xe50 [ 83.946025][ T7994] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.952086][ T7994] ? p9_pollwait+0x182/0x210 [ 83.956741][ T7994] ? pipe_poll+0xc8/0x6b0 [ 83.961074][ T7994] ? ksys_dup3+0x2e0/0x2e0 [ 83.966082][ T7994] ? p9_fd_poll+0x19b/0x2a0 [ 83.970561][ T7994] ? p9_conn_create+0x3a5/0x4f0 [ 83.975389][ T7994] ? p9_conn_create+0x4f0/0x4f0 [ 83.980222][ T7994] p9_client_create+0x7fb/0x10f0 [ 83.985142][ T7994] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.991185][ T7994] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.996874][ T7994] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.002917][ T7994] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.008729][ T7994] ? lockdep_init_map_waits+0x270/0x870 [ 84.014261][ T7994] v9fs_session_init+0x1ed/0x14c0 [ 84.019258][ T7994] ? v9fs_session_init+0x1ed/0x14c0 [ 84.024428][ T7994] ? find_held_lock+0x36/0x1d0 [ 84.029177][ T7994] ? v9fs_show_options+0x6c0/0x6c0 [ 84.034262][ T7994] ? __kasan_check_read+0x11/0x20 [ 84.039261][ T7994] ? v9fs_mount+0x55/0x7f0 [ 84.043651][ T7994] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.049168][ T7994] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.055214][ T7994] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.060997][ T7994] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.066527][ T7994] ? apparmor_task_alloc+0x2f0/0x2f0 [ 84.071787][ T7994] v9fs_mount+0x72/0x7f0 [ 84.076013][ T7994] ? v9fs_write_inode+0x50/0x50 [ 84.080843][ T7994] legacy_get_tree+0x103/0x1f0 [ 84.085594][ T7994] vfs_get_tree+0x8b/0x2d0 [ 84.089979][ T7994] ? capable+0x14/0x20 [ 84.094019][ T7994] do_mount+0x1272/0x1c30 [ 84.098323][ T7994] ? lock_downgrade+0x960/0x960 [ 84.103150][ T7994] ? copy_mount_string+0x20/0x20 [ 84.108064][ T7994] ? __kasan_check_write+0x14/0x20 [ 84.113162][ T7994] ? _copy_from_user+0xc5/0x110 [ 84.118006][ T7994] __x64_sys_mount+0x169/0x1c0 [ 84.122746][ T7994] do_syscall_64+0xd0/0x630 [ 84.127224][ T7994] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 84.133087][ T7994] RIP: 0033:0x458da9 [ 84.136956][ T7994] 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 [ 84.156540][ T7994] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.164943][ T7994] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 84.172980][ T7994] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.180927][ T7994] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.188872][ T7994] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 84.196814][ T7994] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.204777][ T8020] CPU: 0 PID: 8020 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 84.213376][ T8020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.223424][ T8020] Call Trace: [ 84.226709][ T8020] dump_stack+0x12d/0x187 [ 84.228855][ T8030] FAULT_INJECTION: forcing a failure. [ 84.228855][ T8030] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.231038][ T8020] should_fail.cold.4+0x5/0x13 [ 84.248924][ T8020] ? fault_create_debugfs_attr+0x150/0x150 [ 84.254700][ T8020] ? fill_pool+0x2bf/0x820 [ 84.259185][ T8020] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.264706][ T8020] __should_failslab+0xba/0xf0 [ 84.269448][ T8020] should_failslab+0x9/0x14 [ 84.273919][ T8020] kmem_cache_alloc+0x47/0x760 [ 84.278655][ T8020] ? mark_held_locks+0x130/0x130 [ 84.283562][ T8020] fill_pool+0x2bf/0x820 [ 84.287779][ T8020] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 84.293726][ T8020] ? __debug_object_init+0x4fc/0x10f0 [ 84.299087][ T8020] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 84.304859][ T8020] ? __debug_object_init+0x4fc/0x10f0 [ 84.310202][ T8020] ? lockdep_hardirqs_on+0x481/0x620 [ 84.315455][ T8020] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 84.321232][ T8020] ? trace_hardirqs_on+0x28/0x1b0 [ 84.326238][ T8020] __debug_object_init+0x83/0x10f0 [ 84.331328][ T8020] ? __kasan_check_read+0x11/0x20 [ 84.336326][ T8020] ? free_object+0x70/0x70 [ 84.340717][ T8020] ? ksys_dup3+0x2e0/0x2e0 [ 84.345107][ T8020] debug_object_init+0x16/0x20 [ 84.350186][ T8020] __init_work+0x1b/0x20 [ 84.354400][ T8020] p9_conn_create+0x218/0x4f0 [ 84.359132][ T8020] p9_fd_create+0x222/0x360 [ 84.363608][ T8020] ? p9_conn_create+0x4f0/0x4f0 [ 84.368435][ T8020] ? p9_client_create+0x676/0x10f0 [ 84.373531][ T8020] p9_client_create+0x6db/0x10f0 [ 84.378441][ T8020] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 84.384486][ T8020] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.390001][ T8020] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.396034][ T8020] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.401824][ T8020] ? lockdep_init_map_waits+0x270/0x870 [ 84.407346][ T8020] v9fs_session_init+0x1ed/0x14c0 [ 84.412349][ T8020] ? v9fs_session_init+0x1ed/0x14c0 [ 84.417528][ T8020] ? find_held_lock+0x36/0x1d0 [ 84.422287][ T8020] ? v9fs_show_options+0x6c0/0x6c0 [ 84.427371][ T8020] ? __kasan_check_read+0x11/0x20 [ 84.432374][ T8020] ? v9fs_mount+0x55/0x7f0 [ 84.436768][ T8020] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.442304][ T8020] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.448359][ T8020] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.454148][ T8020] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.459666][ T8020] ? apparmor_task_alloc+0x2f0/0x2f0 [ 84.464925][ T8020] v9fs_mount+0x72/0x7f0 [ 84.469155][ T8020] ? v9fs_write_inode+0x50/0x50 [ 84.473987][ T8020] legacy_get_tree+0x103/0x1f0 [ 84.478722][ T8020] vfs_get_tree+0x8b/0x2d0 [ 84.483108][ T8020] ? capable+0x14/0x20 [ 84.487147][ T8020] do_mount+0x1272/0x1c30 [ 84.491456][ T8020] ? lock_downgrade+0x960/0x960 [ 84.496278][ T8020] ? copy_mount_string+0x20/0x20 [ 84.501191][ T8020] ? __kasan_check_write+0x14/0x20 [ 84.506270][ T8020] ? _copy_from_user+0xc5/0x110 [ 84.511105][ T8020] __x64_sys_mount+0x169/0x1c0 [ 84.515841][ T8020] do_syscall_64+0xd0/0x630 [ 84.520319][ T8020] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 84.526179][ T8020] RIP: 0033:0x458da9 [ 84.530045][ T8020] 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 [ 84.549705][ T8020] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.558083][ T8020] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 84.566042][ T8020] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.574000][ T8020] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.581953][ T8020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 84.589909][ T8020] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.597874][ T8030] CPU: 1 PID: 8030 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 84.606448][ T8030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.616500][ T8030] Call Trace: [ 84.619778][ T8030] dump_stack+0x12d/0x187 [ 84.624124][ T8030] should_fail.cold.4+0x5/0x13 [ 84.628874][ T8030] ? do_mount+0x1272/0x1c30 [ 84.633368][ T8030] ? fault_create_debugfs_attr+0x150/0x150 [ 84.639165][ T8030] ? find_held_lock+0x36/0x1d0 [ 84.643928][ T8030] should_fail_alloc_page+0x50/0x60 [ 84.649118][ T8030] __alloc_pages_nodemask+0x17f/0x880 [ 84.654478][ T8030] ? cache_grow_end+0xab/0x190 [ 84.659232][ T8030] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 84.666150][ T8030] ? do_raw_spin_lock+0x132/0x2e0 [ 84.671177][ T8030] cache_grow_begin+0x92/0xc70 [ 84.675927][ T8030] ? __kmalloc+0xc5/0x7a0 [ 84.680242][ T8030] ? trace_hardirqs_off+0x41/0x1a0 [ 84.685343][ T8030] __kmalloc+0x6d3/0x7a0 [ 84.689574][ T8030] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 84.694851][ T8030] p9_fcall_init.isra.2+0x55/0x1c0 [ 84.695441][ T27] audit: type=1804 audit(1587461081.338:10): pid=8038 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir441039482/syzkaller.BmqxLb/13/file0" dev="sda1" ino=15873 res=1 [ 84.699945][ T8030] p9_client_prepare_req.part.5+0x116/0x670 [ 84.723396][ T8038] FAULT_INJECTION: forcing a failure. [ 84.723396][ T8038] name failslab, interval 1, probability 0, space 0, times 0 [ 84.728609][ T8030] p9_client_rpc+0x174/0xe50 [ 84.745709][ T8030] ? p9_client_prepare_req.part.5+0x670/0x670 [ 84.751771][ T8030] ? p9_pollwait+0x182/0x210 [ 84.756334][ T8030] ? pipe_poll+0xc8/0x6b0 [ 84.760631][ T8030] ? ksys_dup3+0x2e0/0x2e0 [ 84.765017][ T8030] ? p9_fd_poll+0x19b/0x2a0 [ 84.769491][ T8030] ? p9_conn_create+0x3a5/0x4f0 [ 84.774324][ T8030] ? p9_conn_create+0x4f0/0x4f0 [ 84.779156][ T8030] p9_client_create+0x7fb/0x10f0 [ 84.784070][ T8030] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 84.790105][ T8030] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.795619][ T8030] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.801652][ T8030] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.807432][ T8030] ? lockdep_init_map_waits+0x270/0x870 [ 84.812952][ T8030] v9fs_session_init+0x1ed/0x14c0 [ 84.817956][ T8030] ? v9fs_session_init+0x1ed/0x14c0 [ 84.823125][ T8030] ? find_held_lock+0x36/0x1d0 [ 84.827862][ T8030] ? v9fs_show_options+0x6c0/0x6c0 [ 84.832940][ T8030] ? __kasan_check_read+0x11/0x20 [ 84.837937][ T8030] ? v9fs_mount+0x55/0x7f0 [ 84.842323][ T8030] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.847852][ T8030] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.853886][ T8030] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.859664][ T8030] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.865186][ T8030] ? apparmor_task_alloc+0x2f0/0x2f0 [ 84.870442][ T8030] v9fs_mount+0x72/0x7f0 [ 84.874657][ T8030] ? v9fs_write_inode+0x50/0x50 [ 84.879478][ T8030] legacy_get_tree+0x103/0x1f0 [ 84.884213][ T8030] vfs_get_tree+0x8b/0x2d0 [ 84.888609][ T8030] ? capable+0x14/0x20 [ 84.892650][ T8030] do_mount+0x1272/0x1c30 [ 84.896947][ T8030] ? lock_downgrade+0x960/0x960 [ 84.901790][ T8030] ? copy_mount_string+0x20/0x20 [ 84.906717][ T8030] ? __kasan_check_write+0x14/0x20 [ 84.911817][ T8030] ? _copy_from_user+0xc5/0x110 [ 84.916649][ T8030] __x64_sys_mount+0x169/0x1c0 [ 84.921388][ T8030] do_syscall_64+0xd0/0x630 [ 84.925876][ T8030] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 84.931739][ T8030] RIP: 0033:0x458da9 [ 84.935615][ T8030] 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 [ 84.955535][ T8030] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.963920][ T8030] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 84.971863][ T8030] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.979828][ T8030] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.987777][ T8030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 84.995721][ T8030] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 85.003688][ T8038] CPU: 0 PID: 8038 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 85.012261][ T8038] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.022303][ T8038] Call Trace: [ 85.025583][ T8038] dump_stack+0x12d/0x187 [ 85.029908][ T8038] should_fail.cold.4+0x5/0x13 [ 85.033775][ T8033] FAULT_INJECTION: forcing a failure. [ 85.033775][ T8033] name failslab, interval 1, probability 0, space 0, times 0 [ 85.034751][ T8038] ? fault_create_debugfs_attr+0x150/0x150 [ 85.053073][ T8038] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 85.059643][ T8038] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.065195][ T8038] __should_failslab+0xba/0xf0 [ 85.069939][ T8038] should_failslab+0x9/0x14 [ 85.074422][ T8038] kmem_cache_alloc+0x47/0x760 [ 85.079165][ T8038] ? __kasan_check_read+0x11/0x20 [ 85.084162][ T8038] ? mark_lock+0xbf/0x630 [ 85.088465][ T8038] ? legacy_get_tree+0x103/0x1f0 [ 85.093381][ T8038] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 85.099770][ T8038] idr_get_free+0x35d/0x880 [ 85.104254][ T8038] idr_alloc_u32+0x13a/0x330 [ 85.108831][ T8038] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 85.114343][ T8038] ? lock_acquire+0x209/0x9e0 [ 85.119006][ T8038] ? __kasan_check_write+0x14/0x20 [ 85.124086][ T8038] ? do_raw_spin_lock+0x132/0x2e0 [ 85.129082][ T8038] idr_alloc+0x7d/0xc0 [ 85.133130][ T8038] ? idr_alloc_u32+0x330/0x330 [ 85.137867][ T8038] p9_client_prepare_req.part.5+0x571/0x670 [ 85.143745][ T8038] p9_client_rpc+0x174/0xe50 [ 85.148303][ T8038] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 85.154077][ T8038] ? __debug_object_init+0x4fc/0x10f0 [ 85.159436][ T8038] ? __kasan_check_read+0x11/0x20 [ 85.164428][ T8038] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.170478][ T8038] ? free_object+0x70/0x70 [ 85.175049][ T8038] ? ksys_dup3+0x2e0/0x2e0 [ 85.179436][ T8038] ? lockdep_init_map_waits+0x270/0x870 [ 85.184950][ T8038] ? __kasan_check_write+0x14/0x20 [ 85.190041][ T8038] ? p9_conn_create+0x3ce/0x4f0 [ 85.194864][ T8038] ? p9_conn_create+0x4f0/0x4f0 [ 85.199687][ T8038] p9_client_create+0x7fb/0x10f0 [ 85.204598][ T8038] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.210634][ T8038] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.216149][ T8038] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.222196][ T8038] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.227981][ T8038] ? lockdep_init_map_waits+0x270/0x870 [ 85.233509][ T8038] v9fs_session_init+0x1ed/0x14c0 [ 85.238500][ T8038] ? v9fs_session_init+0x1ed/0x14c0 [ 85.243670][ T8038] ? find_held_lock+0x36/0x1d0 [ 85.248409][ T8038] ? v9fs_show_options+0x6c0/0x6c0 [ 85.253490][ T8038] ? __kasan_check_read+0x11/0x20 [ 85.258486][ T8038] ? v9fs_mount+0x55/0x7f0 [ 85.262873][ T8038] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.268388][ T8038] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.274421][ T8038] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.280198][ T8038] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.285714][ T8038] ? apparmor_task_alloc+0x2f0/0x2f0 [ 85.290985][ T8038] v9fs_mount+0x72/0x7f0 [ 85.295199][ T8038] ? v9fs_write_inode+0x50/0x50 [ 85.300019][ T8038] legacy_get_tree+0x103/0x1f0 [ 85.304760][ T8038] vfs_get_tree+0x8b/0x2d0 [ 85.309146][ T8038] ? capable+0x14/0x20 [ 85.313187][ T8038] do_mount+0x1272/0x1c30 [ 85.317494][ T8038] ? lock_downgrade+0x960/0x960 [ 85.322317][ T8038] ? copy_mount_string+0x20/0x20 [ 85.327231][ T8038] ? __kasan_check_write+0x14/0x20 [ 85.332327][ T8038] ? _copy_from_user+0xc5/0x110 [ 85.337150][ T8038] __x64_sys_mount+0x169/0x1c0 [ 85.341887][ T8038] do_syscall_64+0xd0/0x630 [ 85.346363][ T8038] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 85.352230][ T8038] RIP: 0033:0x458da9 [ 85.356095][ T8038] 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 [ 85.375677][ T8038] RSP: 002b:00007efcfe94ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.384057][ T8038] RAX: ffffffffffffffda RBX: 00007efcfe94ac90 RCX: 0000000000458da9 [ 85.391998][ T8038] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 85.399942][ T8038] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 85.407907][ T8038] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe94b6d4 [ 85.415858][ T8038] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 85.423821][ T8033] CPU: 1 PID: 8033 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 85.432399][ T8033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.442441][ T8033] Call Trace: [ 85.445721][ T8033] dump_stack+0x12d/0x187 [ 85.450049][ T8033] should_fail.cold.4+0x5/0x13 [ 85.454804][ T8033] ? fault_create_debugfs_attr+0x150/0x150 [ 85.460598][ T8033] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 85.467183][ T8033] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.473187][ T8033] __should_failslab+0xba/0xf0 [ 85.477942][ T8033] should_failslab+0x9/0x14 [ 85.482432][ T8033] kmem_cache_alloc+0x47/0x760 [ 85.487190][ T8033] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 85.493599][ T8033] idr_get_free+0x35d/0x880 [ 85.498204][ T8033] idr_alloc_u32+0x13a/0x330 [ 85.502785][ T8033] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 85.508319][ T8033] ? lock_acquire+0x209/0x9e0 [ 85.512990][ T8033] ? __kasan_check_write+0x14/0x20 [ 85.516886][ T8042] FAULT_INJECTION: forcing a failure. [ 85.516886][ T8042] name failslab, interval 1, probability 0, space 0, times 0 [ 85.518093][ T8033] ? do_raw_spin_lock+0x132/0x2e0 [ 85.535630][ T8033] idr_alloc+0x7d/0xc0 [ 85.539672][ T8033] ? idr_alloc_u32+0x330/0x330 [ 85.544417][ T8033] p9_client_prepare_req.part.5+0x571/0x670 [ 85.550283][ T8033] p9_client_rpc+0x174/0xe50 [ 85.554846][ T8033] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.560899][ T8033] ? p9_pollwait+0x182/0x210 [ 85.565470][ T8033] ? pipe_poll+0xc8/0x6b0 [ 85.569772][ T8033] ? ksys_dup3+0x2e0/0x2e0 [ 85.574165][ T8033] ? p9_fd_poll+0x19b/0x2a0 [ 85.579091][ T8033] ? p9_conn_create+0x3a5/0x4f0 [ 85.583917][ T8033] ? p9_conn_create+0x4f0/0x4f0 [ 85.588743][ T8033] p9_client_create+0x7fb/0x10f0 [ 85.593658][ T8033] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.599697][ T8033] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.605216][ T8033] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.611252][ T8033] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.617037][ T8033] ? lockdep_init_map_waits+0x270/0x870 [ 85.622571][ T8033] v9fs_session_init+0x1ed/0x14c0 [ 85.628605][ T8033] ? v9fs_session_init+0x1ed/0x14c0 [ 85.633775][ T8033] ? find_held_lock+0x36/0x1d0 [ 85.638520][ T8033] ? v9fs_show_options+0x6c0/0x6c0 [ 85.643601][ T8033] ? __kasan_check_read+0x11/0x20 [ 85.648597][ T8033] ? v9fs_mount+0x55/0x7f0 [ 85.652985][ T8033] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.658497][ T8033] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.664534][ T8033] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.670313][ T8033] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.675844][ T8033] ? apparmor_task_alloc+0x2f0/0x2f0 [ 85.681100][ T8033] v9fs_mount+0x72/0x7f0 [ 85.685314][ T8033] ? v9fs_write_inode+0x50/0x50 [ 85.690133][ T8033] legacy_get_tree+0x103/0x1f0 [ 85.694881][ T8033] vfs_get_tree+0x8b/0x2d0 [ 85.699266][ T8033] ? capable+0x14/0x20 [ 85.703306][ T8033] do_mount+0x1272/0x1c30 [ 85.707602][ T8033] ? lock_downgrade+0x960/0x960 [ 85.712426][ T8033] ? copy_mount_string+0x20/0x20 [ 85.717354][ T8033] ? __kasan_check_write+0x14/0x20 [ 85.722435][ T8033] ? _copy_from_user+0xc5/0x110 [ 85.727258][ T8033] __x64_sys_mount+0x169/0x1c0 [ 85.732006][ T8033] do_syscall_64+0xd0/0x630 [ 85.736500][ T8033] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 85.742360][ T8033] RIP: 0033:0x458da9 [ 85.746226][ T8033] 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 [ 85.765801][ T8033] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.774179][ T8033] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 85.782124][ T8033] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 85.790066][ T8033] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 85.798007][ T8033] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 85.805951][ T8033] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 85.813923][ T8042] CPU: 0 PID: 8042 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 85.822497][ T8042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.832538][ T8042] Call Trace: [ 85.835814][ T8042] dump_stack+0x12d/0x187 [ 85.837089][ T8049] FAULT_INJECTION: forcing a failure. [ 85.837089][ T8049] name failslab, interval 1, probability 0, space 0, times 0 [ 85.840131][ T8042] should_fail.cold.4+0x5/0x13 [ 85.857401][ T8042] ? fault_create_debugfs_attr+0x150/0x150 [ 85.863177][ T8042] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 85.869736][ T8042] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.875257][ T8042] __should_failslab+0xba/0xf0 [ 85.879992][ T8042] should_failslab+0x9/0x14 [ 85.884466][ T8042] kmem_cache_alloc+0x47/0x760 [ 85.889199][ T8042] ? __kasan_check_read+0x11/0x20 [ 85.894193][ T8042] ? mark_lock+0xbf/0x630 [ 85.898492][ T8042] ? legacy_get_tree+0x103/0x1f0 [ 85.903402][ T8042] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 85.909789][ T8042] idr_get_free+0x35d/0x880 [ 85.914269][ T8042] idr_alloc_u32+0x13a/0x330 [ 85.918831][ T8042] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 85.924351][ T8042] ? lock_acquire+0x209/0x9e0 [ 85.928998][ T8042] ? __kasan_check_write+0x14/0x20 [ 85.934079][ T8042] ? do_raw_spin_lock+0x132/0x2e0 [ 85.939074][ T8042] idr_alloc+0x7d/0xc0 [ 85.943121][ T8042] ? idr_alloc_u32+0x330/0x330 [ 85.947869][ T8042] p9_client_prepare_req.part.5+0x571/0x670 [ 85.953734][ T8042] p9_client_rpc+0x174/0xe50 [ 85.958299][ T8042] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.964335][ T8042] ? p9_pollwait+0x182/0x210 [ 85.968898][ T8042] ? pipe_poll+0xc8/0x6b0 [ 85.973201][ T8042] ? ksys_dup3+0x2e0/0x2e0 [ 85.977588][ T8042] ? p9_fd_poll+0x19b/0x2a0 [ 85.982067][ T8042] ? p9_conn_create+0x3a5/0x4f0 [ 85.986888][ T8042] ? p9_conn_create+0x4f0/0x4f0 [ 85.991713][ T8042] p9_client_create+0x7fb/0x10f0 [ 85.996625][ T8042] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 86.002660][ T8042] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.008175][ T8042] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.014212][ T8042] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.019998][ T8042] ? lockdep_init_map_waits+0x270/0x870 [ 86.025521][ T8042] v9fs_session_init+0x1ed/0x14c0 [ 86.030519][ T8042] ? v9fs_session_init+0x1ed/0x14c0 [ 86.035698][ T8042] ? find_held_lock+0x36/0x1d0 [ 86.040435][ T8042] ? v9fs_show_options+0x6c0/0x6c0 [ 86.045512][ T8042] ? __kasan_check_read+0x11/0x20 [ 86.050509][ T8042] ? v9fs_mount+0x55/0x7f0 [ 86.054903][ T8042] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.060433][ T8042] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.066469][ T8042] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.072251][ T8042] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.077768][ T8042] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.083026][ T8042] v9fs_mount+0x72/0x7f0 [ 86.087241][ T8042] ? v9fs_write_inode+0x50/0x50 [ 86.092060][ T8042] legacy_get_tree+0x103/0x1f0 [ 86.096801][ T8042] vfs_get_tree+0x8b/0x2d0 [ 86.101186][ T8042] ? capable+0x14/0x20 [ 86.105227][ T8042] do_mount+0x1272/0x1c30 [ 86.109532][ T8042] ? lock_downgrade+0x960/0x960 [ 86.114360][ T8042] ? copy_mount_string+0x20/0x20 [ 86.119275][ T8042] ? __kasan_check_write+0x14/0x20 [ 86.124876][ T8042] ? _copy_from_user+0xc5/0x110 [ 86.129701][ T8042] __x64_sys_mount+0x169/0x1c0 [ 86.134442][ T8042] do_syscall_64+0xd0/0x630 [ 86.138921][ T8042] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 86.144783][ T8042] RIP: 0033:0x458da9 [ 86.148659][ 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 [ 86.168234][ T8042] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.176617][ T8042] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 86.184559][ T8042] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.192500][ T8042] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.200440][ T8042] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 86.208384][ T8042] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.216359][ T8049] CPU: 1 PID: 8049 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 86.224931][ T8049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.234969][ T8049] Call Trace: [ 86.238246][ T8049] dump_stack+0x12d/0x187 [ 86.242571][ T8049] should_fail.cold.4+0x5/0x13 [ 86.247323][ T8049] ? stack_trace_save+0x82/0xb0 [ 86.252158][ T8049] ? fault_create_debugfs_attr+0x150/0x150 [ 86.257962][ T8049] __should_failslab+0xba/0xf0 [ 86.264970][ T8049] should_failslab+0x9/0x14 [ 86.269463][ T8049] kmem_cache_alloc+0x47/0x760 [ 86.274210][ T8049] ? __kasan_check_read+0x11/0x20 [ 86.279219][ T8049] ? mark_lock+0xbf/0x630 [ 86.283534][ T8049] ? mark_held_locks+0x130/0x130 [ 86.288463][ T8049] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 86.294870][ T8049] idr_get_free+0x35d/0x880 [ 86.299374][ T8049] ? mark_held_locks+0x130/0x130 [ 86.304300][ T8049] idr_alloc_u32+0x13a/0x330 [ 86.308880][ T8049] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 86.314415][ T8049] ? lock_acquire+0x209/0x9e0 [ 86.319081][ T8049] ? __kasan_check_write+0x14/0x20 [ 86.319967][ T27] audit: type=1804 audit(1587461082.958:11): pid=8055 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir903884808/syzkaller.tguwh7/15/file0" dev="sda1" ino=15873 res=1 [ 86.324173][ T8049] ? do_raw_spin_lock+0x132/0x2e0 [ 86.324186][ T8049] idr_alloc+0x7d/0xc0 [ 86.324193][ T8049] ? idr_alloc_u32+0x330/0x330 [ 86.324206][ T8049] p9_client_prepare_req.part.5+0x571/0x670 [ 86.324217][ T8049] p9_client_rpc+0x174/0xe50 [ 86.324228][ T8049] ? p9_client_prepare_req.part.5+0x670/0x670 [ 86.324238][ T8049] ? p9_pollwait+0x182/0x210 [ 86.324249][ T8049] ? pipe_poll+0xc8/0x6b0 [ 86.348707][ T8055] FAULT_INJECTION: forcing a failure. [ 86.348707][ T8055] name failslab, interval 1, probability 0, space 0, times 0 [ 86.352058][ T8049] ? ksys_dup3+0x2e0/0x2e0 [ 86.406000][ T8049] ? p9_fd_poll+0x19b/0x2a0 [ 86.410477][ T8049] ? p9_conn_create+0x3a5/0x4f0 [ 86.415413][ T8049] ? p9_conn_create+0x4f0/0x4f0 [ 86.420250][ T8049] p9_client_create+0x7fb/0x10f0 [ 86.425166][ T8049] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 86.431210][ T8049] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.436729][ T8049] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.442771][ T8049] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.448570][ T8049] ? lockdep_init_map_waits+0x270/0x870 [ 86.454096][ T8049] v9fs_session_init+0x1ed/0x14c0 [ 86.459092][ T8049] ? v9fs_session_init+0x1ed/0x14c0 [ 86.464273][ T8049] ? find_held_lock+0x36/0x1d0 [ 86.469015][ T8049] ? v9fs_show_options+0x6c0/0x6c0 [ 86.474096][ T8049] ? __kasan_check_read+0x11/0x20 [ 86.479092][ T8049] ? v9fs_mount+0x55/0x7f0 [ 86.483480][ T8049] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.489006][ T8049] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.495041][ T8049] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.500822][ T8049] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.506337][ T8049] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.511594][ T8049] v9fs_mount+0x72/0x7f0 [ 86.515811][ T8049] ? v9fs_write_inode+0x50/0x50 [ 86.520650][ T8049] legacy_get_tree+0x103/0x1f0 [ 86.525392][ T8049] vfs_get_tree+0x8b/0x2d0 [ 86.529780][ T8049] ? capable+0x14/0x20 [ 86.533825][ T8049] do_mount+0x1272/0x1c30 [ 86.538143][ T8049] ? lock_downgrade+0x960/0x960 [ 86.544882][ T8049] ? copy_mount_string+0x20/0x20 [ 86.549821][ T8049] ? __kasan_check_write+0x14/0x20 [ 86.554909][ T8049] ? _copy_from_user+0xc5/0x110 [ 86.559738][ T8049] __x64_sys_mount+0x169/0x1c0 [ 86.564482][ T8049] do_syscall_64+0xd0/0x630 [ 86.568967][ T8049] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 86.574832][ T8049] RIP: 0033:0x458da9 [ 86.578712][ T8049] 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 [ 86.598306][ T8049] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.606692][ T8049] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 86.614663][ T8049] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.622610][ T8049] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.630552][ T8049] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 86.638495][ T8049] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.646458][ T8055] CPU: 0 PID: 8055 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 86.655033][ T8055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.665086][ T8055] Call Trace: [ 86.668369][ T8055] dump_stack+0x12d/0x187 [ 86.672694][ T8055] should_fail.cold.4+0x5/0x13 [ 86.677453][ T8055] ? fault_create_debugfs_attr+0x150/0x150 [ 86.683250][ T8055] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 86.689831][ T8055] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.695369][ T8055] __should_failslab+0xba/0xf0 [ 86.700127][ T8055] should_failslab+0x9/0x14 [ 86.704622][ T8055] kmem_cache_alloc+0x47/0x760 [ 86.709381][ T8055] ? __kasan_check_read+0x11/0x20 [ 86.714392][ T8055] ? mark_lock+0xbf/0x630 [ 86.718709][ T8055] ? legacy_get_tree+0x103/0x1f0 [ 86.723640][ T8055] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 86.730133][ T8055] idr_get_free+0x35d/0x880 [ 86.734638][ T8055] idr_alloc_u32+0x13a/0x330 [ 86.739220][ T8055] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 86.744752][ T8055] ? lock_acquire+0x209/0x9e0 [ 86.749512][ T8055] ? __kasan_check_write+0x14/0x20 [ 86.754613][ T8055] ? do_raw_spin_lock+0x132/0x2e0 [ 86.759656][ T8055] idr_alloc+0x7d/0xc0 [ 86.763715][ T8055] ? idr_alloc_u32+0x330/0x330 [ 86.766895][ T8064] FAULT_INJECTION: forcing a failure. [ 86.766895][ T8064] name failslab, interval 1, probability 0, space 0, times 0 [ 86.768641][ T8055] p9_client_prepare_req.part.5+0x571/0x670 [ 86.787047][ T8055] p9_client_rpc+0x174/0xe50 [ 86.791609][ T8055] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 86.797387][ T8055] ? __debug_object_init+0x4fc/0x10f0 [ 86.802731][ T8055] ? __kasan_check_read+0x11/0x20 [ 86.807725][ T8055] ? p9_client_prepare_req.part.5+0x670/0x670 [ 86.813763][ T8055] ? free_object+0x70/0x70 [ 86.818149][ T8055] ? ksys_dup3+0x2e0/0x2e0 [ 86.822537][ T8055] ? lockdep_init_map_waits+0x270/0x870 [ 86.828054][ T8055] ? __kasan_check_write+0x14/0x20 [ 86.833160][ T8055] ? p9_conn_create+0x3ce/0x4f0 [ 86.837983][ T8055] ? p9_conn_create+0x4f0/0x4f0 [ 86.843079][ T8055] p9_client_create+0x7fb/0x10f0 [ 86.847993][ T8055] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 86.854028][ T8055] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.859549][ T8055] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.865584][ T8055] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.871366][ T8055] ? lockdep_init_map_waits+0x270/0x870 [ 86.876892][ T8055] v9fs_session_init+0x1ed/0x14c0 [ 86.881887][ T8055] ? v9fs_session_init+0x1ed/0x14c0 [ 86.887057][ T8055] ? find_held_lock+0x36/0x1d0 [ 86.891797][ T8055] ? v9fs_show_options+0x6c0/0x6c0 [ 86.896875][ T8055] ? __kasan_check_read+0x11/0x20 [ 86.901874][ T8055] ? hidinput_connect+0x1520/0xe0e0 [ 86.907045][ T8055] ? v9fs_mount+0x55/0x7f0 [ 86.911433][ T8055] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.916949][ T8055] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.922981][ T8055] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.928760][ T8055] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.934274][ T8055] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.939531][ T8055] v9fs_mount+0x72/0x7f0 [ 86.943745][ T8055] ? v9fs_write_inode+0x50/0x50 [ 86.948565][ T8055] legacy_get_tree+0x103/0x1f0 [ 86.953300][ T8055] vfs_get_tree+0x8b/0x2d0 [ 86.957688][ T8055] ? capable+0x14/0x20 [ 86.961816][ T8055] do_mount+0x1272/0x1c30 [ 86.966113][ T8055] ? lock_downgrade+0x960/0x960 [ 86.970935][ T8055] ? copy_mount_string+0x20/0x20 [ 86.975852][ T8055] ? __kasan_check_write+0x14/0x20 [ 86.980932][ T8055] ? _copy_from_user+0xc5/0x110 [ 86.985756][ T8055] __x64_sys_mount+0x169/0x1c0 [ 86.990492][ T8055] do_syscall_64+0xd0/0x630 [ 86.994980][ T8055] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 87.000847][ T8055] RIP: 0033:0x458da9 [ 87.004713][ T8055] 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 [ 87.024287][ T8055] RSP: 002b:00007fb943e34c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.032666][ T8055] RAX: ffffffffffffffda RBX: 00007fb943e34c90 RCX: 0000000000458da9 [ 87.040609][ T8055] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 87.048562][ T8055] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 87.056506][ T8055] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e356d4 [ 87.064448][ T8055] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 87.072408][ T8064] CPU: 1 PID: 8064 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 87.080978][ T8064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.091019][ T8064] Call Trace: [ 87.094295][ T8064] dump_stack+0x12d/0x187 [ 87.098614][ T8064] should_fail.cold.4+0x5/0x13 [ 87.103358][ T8064] ? stack_trace_save+0x82/0xb0 [ 87.108195][ T8064] ? fault_create_debugfs_attr+0x150/0x150 [ 87.113997][ T8064] __should_failslab+0xba/0xf0 [ 87.118748][ T8064] should_failslab+0x9/0x14 [ 87.123184][ T8065] FAULT_INJECTION: forcing a failure. [ 87.123184][ T8065] name failslab, interval 1, probability 0, space 0, times 0 [ 87.123235][ T8064] kmem_cache_alloc+0x47/0x760 [ 87.140508][ T8064] ? __kasan_check_read+0x11/0x20 [ 87.145501][ T8064] ? mark_lock+0xbf/0x630 [ 87.149802][ T8064] ? legacy_get_tree+0x103/0x1f0 [ 87.154715][ T8064] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 87.161100][ T8064] idr_get_free+0x35d/0x880 [ 87.165593][ T8064] ? mark_held_locks+0x130/0x130 [ 87.170502][ T8064] idr_alloc_u32+0x13a/0x330 [ 87.175061][ T8064] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 87.180576][ T8064] ? lock_acquire+0x209/0x9e0 [ 87.185323][ T8064] ? __kasan_check_write+0x14/0x20 [ 87.190406][ T8064] ? do_raw_spin_lock+0x132/0x2e0 [ 87.195400][ T8064] idr_alloc+0x7d/0xc0 [ 87.199437][ T8064] ? idr_alloc_u32+0x330/0x330 [ 87.204177][ T8064] p9_client_prepare_req.part.5+0x571/0x670 [ 87.210042][ T8064] p9_client_rpc+0x174/0xe50 [ 87.214603][ T8064] ? p9_client_prepare_req.part.5+0x670/0x670 [ 87.220727][ T8064] ? p9_pollwait+0x182/0x210 [ 87.225301][ T8064] ? pipe_poll+0xc8/0x6b0 [ 87.229601][ T8064] ? ksys_dup3+0x2e0/0x2e0 [ 87.233988][ T8064] ? p9_fd_poll+0x19b/0x2a0 [ 87.238461][ T8064] ? p9_conn_create+0x3a5/0x4f0 [ 87.243284][ T8064] ? p9_conn_create+0x4f0/0x4f0 [ 87.248110][ T8064] p9_client_create+0x7fb/0x10f0 [ 87.253021][ T8064] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.259067][ T8064] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.264580][ T8064] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.270615][ T8064] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.276395][ T8064] ? lockdep_init_map_waits+0x270/0x870 [ 87.281918][ T8064] v9fs_session_init+0x1ed/0x14c0 [ 87.286911][ T8064] ? v9fs_session_init+0x1ed/0x14c0 [ 87.292101][ T8064] ? find_held_lock+0x36/0x1d0 [ 87.296840][ T8064] ? v9fs_show_options+0x6c0/0x6c0 [ 87.301920][ T8064] ? __kasan_check_read+0x11/0x20 [ 87.306913][ T8064] ? __ip_vs_get_out_rt_v6.isra.26+0x870/0x2890 [ 87.313123][ T8064] ? v9fs_mount+0x55/0x7f0 [ 87.317508][ T8064] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.323020][ T8064] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.329060][ T8064] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.334846][ T8064] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.340361][ T8064] ? apparmor_task_alloc+0x2f0/0x2f0 [ 87.345617][ T8064] v9fs_mount+0x72/0x7f0 [ 87.349850][ T8064] ? v9fs_write_inode+0x50/0x50 [ 87.354671][ T8064] legacy_get_tree+0x103/0x1f0 [ 87.359416][ T8064] vfs_get_tree+0x8b/0x2d0 [ 87.363801][ T8064] ? capable+0x14/0x20 [ 87.367842][ T8064] do_mount+0x1272/0x1c30 [ 87.372138][ T8064] ? lock_downgrade+0x960/0x960 [ 87.376963][ T8064] ? copy_mount_string+0x20/0x20 [ 87.381877][ T8064] ? __kasan_check_write+0x14/0x20 [ 87.386958][ T8064] ? _copy_from_user+0xc5/0x110 [ 87.391783][ T8064] __x64_sys_mount+0x169/0x1c0 [ 87.396536][ T8064] do_syscall_64+0xd0/0x630 [ 87.401018][ T8064] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 87.406895][ T8064] RIP: 0033:0x458da9 [ 87.410765][ T8064] 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 [ 87.430363][ T8064] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.438747][ T8064] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 87.446701][ T8064] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 87.454696][ T8064] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 2020/04/21 09:24:44 executed programs: 95 [ 87.462641][ T8064] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 87.470583][ T8064] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 87.478544][ T8065] CPU: 0 PID: 8065 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 87.487116][ T8065] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.497155][ T8065] Call Trace: [ 87.500432][ T8065] dump_stack+0x12d/0x187 [ 87.504715][ T8066] FAULT_INJECTION: forcing a failure. [ 87.504715][ T8066] name failslab, interval 1, probability 0, space 0, times 0 [ 87.504748][ T8065] should_fail.cold.4+0x5/0x13 [ 87.522035][ T8065] ? fault_create_debugfs_attr+0x150/0x150 [ 87.527812][ T8065] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 87.534371][ T8065] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.539891][ T8065] __should_failslab+0xba/0xf0 [ 87.544625][ T8065] should_failslab+0x9/0x14 [ 87.549098][ T8065] kmem_cache_alloc+0x47/0x760 [ 87.553831][ T8065] ? __kasan_check_read+0x11/0x20 [ 87.558843][ T8065] ? mark_lock+0xbf/0x630 [ 87.563154][ T8065] ? legacy_get_tree+0x103/0x1f0 [ 87.568066][ T8065] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 87.574541][ T8065] idr_get_free+0x35d/0x880 [ 87.579023][ T8065] idr_alloc_u32+0x13a/0x330 [ 87.583587][ T8065] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 87.589102][ T8065] ? lock_acquire+0x209/0x9e0 [ 87.593756][ T8065] ? __kasan_check_write+0x14/0x20 [ 87.598836][ T8065] ? do_raw_spin_lock+0x132/0x2e0 [ 87.603832][ T8065] idr_alloc+0x7d/0xc0 [ 87.607873][ T8065] ? idr_alloc_u32+0x330/0x330 [ 87.612613][ T8065] p9_client_prepare_req.part.5+0x571/0x670 [ 87.618490][ T8065] p9_client_rpc+0x174/0xe50 [ 87.623054][ T8065] ? p9_client_prepare_req.part.5+0x670/0x670 [ 87.629099][ T8065] ? p9_pollwait+0x182/0x210 [ 87.633662][ T8065] ? pipe_poll+0xc8/0x6b0 [ 87.637961][ T8065] ? ksys_dup3+0x2e0/0x2e0 [ 87.642355][ T8065] ? p9_fd_poll+0x19b/0x2a0 [ 87.646828][ T8065] ? p9_conn_create+0x3a5/0x4f0 [ 87.651653][ T8065] ? p9_conn_create+0x4f0/0x4f0 [ 87.656480][ T8065] p9_client_create+0x7fb/0x10f0 [ 87.661390][ T8065] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.667424][ T8065] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.672938][ T8065] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.678970][ T8065] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.684760][ T8065] ? lockdep_init_map_waits+0x270/0x870 [ 87.690281][ T8065] v9fs_session_init+0x1ed/0x14c0 [ 87.695274][ T8065] ? v9fs_session_init+0x1ed/0x14c0 [ 87.700442][ T8065] ? find_held_lock+0x36/0x1d0 [ 87.705177][ T8065] ? v9fs_show_options+0x6c0/0x6c0 [ 87.710257][ T8065] ? __kasan_check_read+0x11/0x20 [ 87.715250][ T8065] ? v9fs_mount+0x55/0x7f0 [ 87.719638][ T8065] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.725152][ T8065] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.731187][ T8065] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.736968][ T8065] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.742492][ T8065] ? apparmor_task_alloc+0x2f0/0x2f0 [ 87.747748][ T8065] v9fs_mount+0x72/0x7f0 [ 87.751963][ T8065] ? v9fs_write_inode+0x50/0x50 [ 87.756783][ T8065] legacy_get_tree+0x103/0x1f0 [ 87.761521][ T8065] vfs_get_tree+0x8b/0x2d0 [ 87.765905][ T8065] ? capable+0x14/0x20 [ 87.769945][ T8065] do_mount+0x1272/0x1c30 [ 87.774253][ T8065] ? lock_downgrade+0x960/0x960 [ 87.779076][ T8065] ? copy_mount_string+0x20/0x20 [ 87.783990][ T8065] ? __kasan_check_write+0x14/0x20 [ 87.789076][ T8065] ? _copy_from_user+0xc5/0x110 [ 87.793899][ T8065] __x64_sys_mount+0x169/0x1c0 [ 87.798635][ T8065] do_syscall_64+0xd0/0x630 [ 87.803110][ T8065] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 87.808972][ T8065] RIP: 0033:0x458da9 [ 87.812837][ 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 [ 87.832408][ T8065] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.840806][ T8065] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 87.848751][ T8065] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 87.856693][ T8065] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 87.864646][ T8065] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 87.872589][ T8065] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 87.880550][ T8066] CPU: 1 PID: 8066 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 87.889130][ T8066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.899169][ T8066] Call Trace: [ 87.902447][ T8066] dump_stack+0x12d/0x187 [ 87.906770][ T8066] should_fail.cold.4+0x5/0x13 [ 87.911522][ T8066] ? fault_create_debugfs_attr+0x150/0x150 [ 87.917324][ T8066] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 87.923899][ T8066] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.929435][ T8066] __should_failslab+0xba/0xf0 [ 87.934189][ T8066] should_failslab+0x9/0x14 [ 87.938685][ T8066] kmem_cache_alloc+0x47/0x760 [ 87.943437][ T8066] ? __kasan_check_read+0x11/0x20 [ 87.948446][ T8066] ? mark_lock+0xbf/0x630 [ 87.952763][ T8066] ? legacy_get_tree+0x103/0x1f0 [ 87.957689][ T8066] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 87.964094][ T8066] idr_get_free+0x35d/0x880 [ 87.965212][ T8078] FAULT_INJECTION: forcing a failure. [ 87.965212][ T8078] name failslab, interval 1, probability 0, space 0, times 0 [ 87.968586][ T8066] idr_alloc_u32+0x13a/0x330 [ 87.985684][ T8066] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 87.991198][ T8066] ? lock_acquire+0x209/0x9e0 [ 87.995847][ T8066] ? __kasan_check_write+0x14/0x20 [ 88.000927][ T8066] ? do_raw_spin_lock+0x132/0x2e0 [ 88.005927][ T8066] idr_alloc+0x7d/0xc0 [ 88.009965][ T8066] ? idr_alloc_u32+0x330/0x330 [ 88.014705][ T8066] p9_client_prepare_req.part.5+0x571/0x670 [ 88.020568][ T8066] p9_client_rpc+0x174/0xe50 [ 88.025130][ T8066] ? p9_client_prepare_req.part.5+0x670/0x670 [ 88.031168][ T8066] ? p9_pollwait+0x182/0x210 [ 88.035729][ T8066] ? pipe_poll+0xc8/0x6b0 [ 88.040027][ T8066] ? ksys_dup3+0x2e0/0x2e0 [ 88.044413][ T8066] ? p9_fd_poll+0x19b/0x2a0 [ 88.048902][ T8066] ? p9_conn_create+0x3a5/0x4f0 [ 88.053726][ T8066] ? p9_conn_create+0x4f0/0x4f0 [ 88.058552][ T8066] p9_client_create+0x7fb/0x10f0 [ 88.063463][ T8066] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 88.069499][ T8066] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.075101][ T8066] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.081135][ T8066] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.086913][ T8066] ? lockdep_init_map_waits+0x270/0x870 [ 88.092435][ T8066] v9fs_session_init+0x1ed/0x14c0 [ 88.097428][ T8066] ? v9fs_session_init+0x1ed/0x14c0 [ 88.103640][ T8066] ? find_held_lock+0x36/0x1d0 [ 88.108378][ T8066] ? v9fs_show_options+0x6c0/0x6c0 [ 88.113457][ T8066] ? __kasan_check_read+0x11/0x20 [ 88.118449][ T8066] ? hash_netnet6_data_netmask+0x80/0x4e0 [ 88.124137][ T8066] ? v9fs_mount+0x55/0x7f0 [ 88.128531][ T8066] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.134048][ T8066] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.140081][ T8066] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.145860][ T8066] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.151376][ T8066] ? apparmor_task_alloc+0x2f0/0x2f0 [ 88.156631][ T8066] v9fs_mount+0x72/0x7f0 [ 88.160844][ T8066] ? v9fs_write_inode+0x50/0x50 [ 88.165662][ T8066] legacy_get_tree+0x103/0x1f0 [ 88.170397][ T8066] vfs_get_tree+0x8b/0x2d0 [ 88.174794][ T8066] ? capable+0x14/0x20 [ 88.178835][ T8066] do_mount+0x1272/0x1c30 [ 88.183134][ T8066] ? lock_downgrade+0x960/0x960 [ 88.187955][ T8066] ? copy_mount_string+0x20/0x20 [ 88.192866][ T8066] ? __kasan_check_write+0x14/0x20 [ 88.197948][ T8066] ? _copy_from_user+0xc5/0x110 [ 88.202773][ T8066] __x64_sys_mount+0x169/0x1c0 [ 88.207528][ T8066] do_syscall_64+0xd0/0x630 [ 88.212003][ T8066] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 88.217865][ T8066] RIP: 0033:0x458da9 [ 88.221742][ T8066] 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 [ 88.241315][ T8066] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.249703][ T8066] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 88.257648][ T8066] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.265588][ T8066] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 88.273529][ T8066] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 88.281470][ T8066] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.289431][ T8078] CPU: 0 PID: 8078 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 88.294867][ T27] audit: type=1804 audit(1587461084.608:12): pid=8078 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir903884808/syzkaller.tguwh7/16/file0" dev="sda1" ino=15891 res=1 [ 88.297994][ T8078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.330817][ T8078] Call Trace: [ 88.334098][ T8078] dump_stack+0x12d/0x187 [ 88.338421][ T8078] should_fail.cold.4+0x5/0x13 [ 88.343182][ T8078] ? fault_create_debugfs_attr+0x150/0x150 [ 88.348979][ T8078] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 88.355559][ T8078] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.360173][ T8084] FAULT_INJECTION: forcing a failure. [ 88.360173][ T8084] name failslab, interval 1, probability 0, space 0, times 0 [ 88.361089][ T8078] __should_failslab+0xba/0xf0 [ 88.378385][ T8078] should_failslab+0x9/0x14 [ 88.382858][ T8078] kmem_cache_alloc+0x47/0x760 [ 88.387589][ T8078] ? __kasan_check_read+0x11/0x20 [ 88.392597][ T8078] ? mark_lock+0xbf/0x630 [ 88.396901][ T8078] ? legacy_get_tree+0x103/0x1f0 [ 88.402263][ T8078] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 88.408678][ T8078] idr_get_free+0x35d/0x880 [ 88.413162][ T8078] idr_alloc_u32+0x13a/0x330 [ 88.417726][ T8078] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 88.423242][ T8078] ? lock_acquire+0x209/0x9e0 [ 88.427892][ T8078] ? __kasan_check_write+0x14/0x20 [ 88.432983][ T8078] ? do_raw_spin_lock+0x132/0x2e0 [ 88.437983][ T8078] idr_alloc+0x7d/0xc0 [ 88.442025][ T8078] ? idr_alloc_u32+0x330/0x330 [ 88.446770][ T8078] p9_client_prepare_req.part.5+0x571/0x670 [ 88.452640][ T8078] p9_client_rpc+0x174/0xe50 [ 88.457200][ T8078] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 88.462975][ T8078] ? __debug_object_init+0x4fc/0x10f0 [ 88.468319][ T8078] ? __kasan_check_read+0x11/0x20 [ 88.473313][ T8078] ? p9_client_prepare_req.part.5+0x670/0x670 [ 88.479352][ T8078] ? free_object+0x70/0x70 [ 88.483740][ T8078] ? ksys_dup3+0x2e0/0x2e0 [ 88.488140][ T8078] ? lockdep_init_map_waits+0x270/0x870 [ 88.493657][ T8078] ? __kasan_check_write+0x14/0x20 [ 88.498738][ T8078] ? p9_conn_create+0x3ce/0x4f0 [ 88.503571][ T8078] ? p9_conn_create+0x4f0/0x4f0 [ 88.508397][ T8078] p9_client_create+0x7fb/0x10f0 [ 88.513311][ T8078] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 88.519354][ T8078] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.525138][ T8078] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.531172][ T8078] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.536972][ T8078] ? lockdep_init_map_waits+0x270/0x870 [ 88.542511][ T8078] v9fs_session_init+0x1ed/0x14c0 [ 88.547622][ T8078] ? v9fs_session_init+0x1ed/0x14c0 [ 88.552794][ T8078] ? find_held_lock+0x36/0x1d0 [ 88.557547][ T8078] ? v9fs_show_options+0x6c0/0x6c0 [ 88.562632][ T8078] ? __kasan_check_read+0x11/0x20 [ 88.567643][ T8078] ? udp_v4_early_demux+0xed0/0x19b0 [ 88.572914][ T8078] ? v9fs_mount+0x55/0x7f0 [ 88.577306][ T8078] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.582823][ T8078] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.588869][ T8078] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.594656][ T8078] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.600173][ T8078] ? apparmor_task_alloc+0x2f0/0x2f0 [ 88.605432][ T8078] v9fs_mount+0x72/0x7f0 [ 88.609652][ T8078] ? v9fs_write_inode+0x50/0x50 [ 88.614487][ T8078] legacy_get_tree+0x103/0x1f0 [ 88.619235][ T8078] vfs_get_tree+0x8b/0x2d0 [ 88.623623][ T8078] ? capable+0x14/0x20 [ 88.627667][ T8078] do_mount+0x1272/0x1c30 [ 88.631976][ T8078] ? lock_downgrade+0x960/0x960 [ 88.636811][ T8078] ? copy_mount_string+0x20/0x20 [ 88.641724][ T8078] ? __kasan_check_write+0x14/0x20 [ 88.646804][ T8078] ? _copy_from_user+0xc5/0x110 [ 88.651630][ T8078] __x64_sys_mount+0x169/0x1c0 [ 88.656376][ T8078] do_syscall_64+0xd0/0x630 [ 88.660863][ T8078] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 88.666733][ T8078] RIP: 0033:0x458da9 [ 88.670601][ T8078] 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 [ 88.690174][ T8078] RSP: 002b:00007fb943e34c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.698564][ T8078] RAX: ffffffffffffffda RBX: 00007fb943e34c90 RCX: 0000000000458da9 [ 88.706509][ T8078] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.714451][ T8078] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 88.722392][ T8078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e356d4 [ 88.730341][ T8078] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.738300][ T8084] CPU: 1 PID: 8084 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 88.746870][ T8084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.756909][ T8084] Call Trace: [ 88.760188][ T8084] dump_stack+0x12d/0x187 [ 88.764507][ T8084] should_fail.cold.4+0x5/0x13 [ 88.769260][ T8084] ? fault_create_debugfs_attr+0x150/0x150 [ 88.775059][ T8084] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 88.781639][ T8084] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.787175][ T8084] __should_failslab+0xba/0xf0 [ 88.791926][ T8084] should_failslab+0x9/0x14 [ 88.796419][ T8084] kmem_cache_alloc+0x47/0x760 [ 88.801171][ T8084] ? __kasan_check_read+0x11/0x20 [ 88.806184][ T8084] ? mark_lock+0xbf/0x630 [ 88.810509][ T8084] ? legacy_get_tree+0x103/0x1f0 [ 88.815440][ T8084] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 88.821876][ T8084] idr_get_free+0x35d/0x880 [ 88.826386][ T8084] idr_alloc_u32+0x13a/0x330 [ 88.830992][ T8084] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 88.831237][ T8094] FAULT_INJECTION: forcing a failure. [ 88.831237][ T8094] name failslab, interval 1, probability 0, space 0, times 0 [ 88.836511][ T8084] ? lock_acquire+0x209/0x9e0 [ 88.836522][ T8084] ? __kasan_check_write+0x14/0x20 [ 88.858785][ T8084] ? do_raw_spin_lock+0x132/0x2e0 [ 88.863782][ T8084] idr_alloc+0x7d/0xc0 [ 88.867820][ T8084] ? idr_alloc_u32+0x330/0x330 [ 88.872559][ T8084] p9_client_prepare_req.part.5+0x571/0x670 [ 88.878425][ T8084] p9_client_rpc+0x174/0xe50 [ 88.882993][ T8084] ? p9_client_prepare_req.part.5+0x670/0x670 [ 88.889031][ T8084] ? p9_pollwait+0x182/0x210 [ 88.893594][ T8084] ? pipe_poll+0xc8/0x6b0 [ 88.897892][ T8084] ? ksys_dup3+0x2e0/0x2e0 [ 88.902279][ T8084] ? p9_fd_poll+0x19b/0x2a0 [ 88.906753][ T8084] ? p9_conn_create+0x3a5/0x4f0 [ 88.911576][ T8084] ? p9_conn_create+0x4f0/0x4f0 [ 88.916403][ T8084] p9_client_create+0x7fb/0x10f0 [ 88.921313][ T8084] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 88.927347][ T8084] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.932870][ T8084] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.938904][ T8084] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.944687][ T8084] ? lockdep_init_map_waits+0x270/0x870 [ 88.950211][ T8084] v9fs_session_init+0x1ed/0x14c0 [ 88.955201][ T8084] ? v9fs_session_init+0x1ed/0x14c0 [ 88.960371][ T8084] ? find_held_lock+0x36/0x1d0 [ 88.965108][ T8084] ? v9fs_show_options+0x6c0/0x6c0 [ 88.970185][ T8084] ? __kasan_check_read+0x11/0x20 [ 88.975177][ T8084] ? sctp_association_hold+0x20/0x60 [ 88.980430][ T8084] ? v9fs_mount+0x55/0x7f0 [ 88.984816][ T8084] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.990339][ T8084] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.996372][ T8084] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.002151][ T8084] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.007670][ T8084] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.012927][ T8084] v9fs_mount+0x72/0x7f0 [ 89.017150][ T8084] ? v9fs_write_inode+0x50/0x50 [ 89.021968][ T8084] legacy_get_tree+0x103/0x1f0 [ 89.026705][ T8084] vfs_get_tree+0x8b/0x2d0 [ 89.031090][ T8084] ? capable+0x14/0x20 [ 89.035133][ T8084] do_mount+0x1272/0x1c30 [ 89.039429][ T8084] ? lock_downgrade+0x960/0x960 [ 89.044260][ T8084] ? copy_mount_string+0x20/0x20 [ 89.049187][ T8084] ? __kasan_check_write+0x14/0x20 [ 89.054267][ T8084] ? _copy_from_user+0xc5/0x110 [ 89.059091][ T8084] __x64_sys_mount+0x169/0x1c0 [ 89.063827][ T8084] do_syscall_64+0xd0/0x630 [ 89.068313][ T8084] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 89.074175][ T8084] RIP: 0033:0x458da9 [ 89.078041][ T8084] 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 [ 89.097619][ T8084] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.105996][ T8084] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 89.113937][ T8084] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 89.121879][ T8084] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 89.129823][ T8084] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 89.137778][ T8084] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 89.145736][ T8094] CPU: 0 PID: 8094 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 89.154009][ T8079] 9pnet: Insufficient options for proto=fd [ 89.154301][ T8094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.160249][ T27] audit: type=1804 audit(1587461085.468:13): pid=8093 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/16/file0" dev="sda1" ino=15898 res=1 [ 89.170118][ T8094] Call Trace: [ 89.170130][ T8094] dump_stack+0x12d/0x187 [ 89.170143][ T8094] should_fail.cold.4+0x5/0x13 [ 89.170151][ T8094] ? stack_trace_save+0x82/0xb0 [ 89.170160][ T8094] ? fault_create_debugfs_attr+0x150/0x150 [ 89.195705][ T27] audit: type=1804 audit(1587461085.468:14): pid=8094 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir986738189/syzkaller.iMDzi6/15/file0" dev="sda1" ino=15899 res=1 [ 89.196225][ T8094] __should_failslab+0xba/0xf0 [ 89.196234][ T8094] should_failslab+0x9/0x14 [ 89.196243][ T8094] kmem_cache_alloc+0x47/0x760 [ 89.196250][ T8094] ? __kasan_check_read+0x11/0x20 [ 89.196257][ T8094] ? mark_lock+0xbf/0x630 [ 89.196264][ T8094] ? legacy_get_tree+0x103/0x1f0 [ 89.196277][ T8094] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 89.196288][ T8094] idr_get_free+0x35d/0x880 [ 89.196299][ T8094] ? mark_held_locks+0x130/0x130 [ 89.209448][ T8093] FAULT_INJECTION: forcing a failure. [ 89.209448][ T8093] name failslab, interval 1, probability 0, space 0, times 0 [ 89.210166][ T8094] idr_alloc_u32+0x13a/0x330 [ 89.299653][ T8094] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 89.305166][ T8094] ? lock_acquire+0x209/0x9e0 [ 89.309838][ T8094] ? __kasan_check_write+0x14/0x20 [ 89.314917][ T8094] ? do_raw_spin_lock+0x132/0x2e0 [ 89.319912][ T8094] idr_alloc+0x7d/0xc0 [ 89.323948][ T8094] ? idr_alloc_u32+0x330/0x330 [ 89.328687][ T8094] p9_client_prepare_req.part.5+0x571/0x670 [ 89.334553][ T8094] p9_client_rpc+0x174/0xe50 [ 89.339113][ T8094] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 89.344889][ T8094] ? __debug_object_init+0x4fc/0x10f0 [ 89.350758][ T8094] ? __kasan_check_read+0x11/0x20 [ 89.355751][ T8094] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.361788][ T8094] ? free_object+0x70/0x70 [ 89.366174][ T8094] ? ksys_dup3+0x2e0/0x2e0 [ 89.370560][ T8094] ? lockdep_init_map_waits+0x270/0x870 [ 89.376079][ T8094] ? __kasan_check_write+0x14/0x20 [ 89.381157][ T8094] ? p9_conn_create+0x3ce/0x4f0 [ 89.385978][ T8094] ? p9_conn_create+0x4f0/0x4f0 [ 89.390806][ T8094] p9_client_create+0x7fb/0x10f0 [ 89.395727][ T8094] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.401847][ T8094] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.407361][ T8094] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.413408][ T8094] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.419194][ T8094] ? lockdep_init_map_waits+0x270/0x870 [ 89.424721][ T8094] v9fs_session_init+0x1ed/0x14c0 [ 89.429719][ T8094] ? v9fs_session_init+0x1ed/0x14c0 [ 89.434890][ T8094] ? find_held_lock+0x36/0x1d0 [ 89.439630][ T8094] ? v9fs_show_options+0x6c0/0x6c0 [ 89.444712][ T8094] ? __kasan_check_read+0x11/0x20 [ 89.449710][ T8094] ? cx_auto_free+0x20/0x20 [ 89.454188][ T8094] ? v9fs_mount+0x55/0x7f0 [ 89.458581][ T8094] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.464095][ T8094] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.470130][ T8094] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.475910][ T8094] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.481427][ T8094] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.486682][ T8094] v9fs_mount+0x72/0x7f0 [ 89.490909][ T8094] ? v9fs_write_inode+0x50/0x50 [ 89.495729][ T8094] legacy_get_tree+0x103/0x1f0 [ 89.500465][ T8094] vfs_get_tree+0x8b/0x2d0 [ 89.504850][ T8094] ? capable+0x14/0x20 [ 89.508891][ T8094] do_mount+0x1272/0x1c30 [ 89.513188][ T8094] ? lock_downgrade+0x960/0x960 [ 89.518009][ T8094] ? copy_mount_string+0x20/0x20 [ 89.522921][ T8094] ? __kasan_check_write+0x14/0x20 [ 89.527999][ T8094] ? _copy_from_user+0xc5/0x110 [ 89.532823][ T8094] __x64_sys_mount+0x169/0x1c0 [ 89.537560][ T8094] do_syscall_64+0xd0/0x630 [ 89.542037][ T8094] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 89.547899][ T8094] RIP: 0033:0x458da9 [ 89.552804][ T8094] 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 [ 89.572376][ T8094] RSP: 002b:00007f5bc41e0c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.580780][ T8094] RAX: ffffffffffffffda RBX: 00007f5bc41e0c90 RCX: 0000000000458da9 [ 89.588729][ T8094] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 89.596676][ T8094] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 89.604633][ T8094] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc41e16d4 [ 89.612602][ T8094] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 89.620567][ T8093] CPU: 1 PID: 8093 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 89.629144][ T8093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.639187][ T8093] Call Trace: [ 89.642468][ T8093] dump_stack+0x12d/0x187 [ 89.652090][ T8093] should_fail.cold.4+0x5/0x13 [ 89.656840][ T8093] ? stack_trace_save+0x82/0xb0 [ 89.661678][ T8093] ? fault_create_debugfs_attr+0x150/0x150 [ 89.667481][ T8093] __should_failslab+0xba/0xf0 [ 89.672252][ T8093] should_failslab+0x9/0x14 [ 89.676742][ T8093] kmem_cache_alloc+0x47/0x760 [ 89.681497][ T8093] ? __kasan_check_read+0x11/0x20 [ 89.686512][ T8093] ? mark_lock+0xbf/0x630 [ 89.690832][ T8093] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 89.695704][ T8101] FAULT_INJECTION: forcing a failure. [ 89.695704][ T8101] name failslab, interval 1, probability 0, space 0, times 0 [ 89.697230][ T8093] idr_get_free+0x35d/0x880 [ 89.714257][ T8093] ? mark_held_locks+0x130/0x130 [ 89.719166][ T8093] idr_alloc_u32+0x13a/0x330 [ 89.723743][ T8093] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 89.729255][ T8093] ? lock_acquire+0x209/0x9e0 [ 89.733905][ T8093] ? __kasan_check_write+0x14/0x20 [ 89.738986][ T8093] ? do_raw_spin_lock+0x132/0x2e0 [ 89.743980][ T8093] idr_alloc+0x7d/0xc0 [ 89.748017][ T8093] ? idr_alloc_u32+0x330/0x330 [ 89.752755][ T8093] p9_client_prepare_req.part.5+0x571/0x670 [ 89.758619][ T8093] p9_client_rpc+0x174/0xe50 [ 89.763179][ T8093] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 89.768965][ T8093] ? __debug_object_init+0x4fc/0x10f0 [ 89.774320][ T8093] ? __kasan_check_read+0x11/0x20 [ 89.779314][ T8093] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.786045][ T8093] ? free_object+0x70/0x70 [ 89.790433][ T8093] ? ksys_dup3+0x2e0/0x2e0 [ 89.794822][ T8093] ? lockdep_init_map_waits+0x270/0x870 [ 89.800337][ T8093] ? __kasan_check_write+0x14/0x20 [ 89.805416][ T8093] ? p9_conn_create+0x3ce/0x4f0 [ 89.810237][ T8093] ? p9_conn_create+0x4f0/0x4f0 [ 89.815060][ T8093] p9_client_create+0x7fb/0x10f0 [ 89.819974][ T8093] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.826008][ T8093] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.831536][ T8093] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.837574][ T8093] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.843354][ T8093] ? lockdep_init_map_waits+0x270/0x870 [ 89.848876][ T8093] v9fs_session_init+0x1ed/0x14c0 [ 89.853880][ T8093] ? v9fs_session_init+0x1ed/0x14c0 [ 89.859047][ T8093] ? find_held_lock+0x36/0x1d0 [ 89.863790][ T8093] ? v9fs_show_options+0x6c0/0x6c0 [ 89.868868][ T8093] ? __kasan_check_read+0x11/0x20 [ 89.873861][ T8093] ? patch_ca0132+0x33a0/0x34c0 [ 89.878680][ T8093] ? v9fs_mount+0x55/0x7f0 [ 89.883067][ T8093] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.888587][ T8093] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.894762][ T8093] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.900543][ T8093] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.906062][ T8093] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.911332][ T8093] v9fs_mount+0x72/0x7f0 [ 89.916070][ T8093] ? v9fs_write_inode+0x50/0x50 [ 89.920893][ T8093] legacy_get_tree+0x103/0x1f0 [ 89.925629][ T8093] vfs_get_tree+0x8b/0x2d0 [ 89.930012][ T8093] ? capable+0x14/0x20 [ 89.934051][ T8093] do_mount+0x1272/0x1c30 [ 89.938350][ T8093] ? lock_downgrade+0x960/0x960 [ 89.943174][ T8093] ? copy_mount_string+0x20/0x20 [ 89.948099][ T8093] ? __kasan_check_write+0x14/0x20 [ 89.953177][ T8093] ? _copy_from_user+0xc5/0x110 [ 89.958015][ T8093] __x64_sys_mount+0x169/0x1c0 [ 89.962751][ T8093] do_syscall_64+0xd0/0x630 [ 89.967238][ T8093] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 89.973098][ T8093] RIP: 0033:0x458da9 [ 89.976965][ T8093] 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 [ 89.996548][ T8093] RSP: 002b:00007f95ee5c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.005016][ T8093] RAX: ffffffffffffffda RBX: 00007f95ee5c2c90 RCX: 0000000000458da9 [ 90.012968][ T8093] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.020912][ T8093] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 90.028854][ T8093] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5c36d4 [ 90.036796][ T8093] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.044753][ T8101] CPU: 0 PID: 8101 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 90.051509][ T27] audit: type=1804 audit(1587461086.339:15): pid=8101 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir441039482/syzkaller.BmqxLb/16/file0" dev="sda1" ino=15903 res=1 [ 90.053321][ T8101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.086143][ T8101] Call Trace: [ 90.089424][ T8101] dump_stack+0x12d/0x187 [ 90.093749][ T8101] should_fail.cold.4+0x5/0x13 [ 90.098511][ T8101] ? fault_create_debugfs_attr+0x150/0x150 [ 90.104306][ T8101] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 90.110882][ T8101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.116422][ T8101] __should_failslab+0xba/0xf0 [ 90.121175][ T8101] should_failslab+0x9/0x14 [ 90.125668][ T8101] kmem_cache_alloc+0x47/0x760 [ 90.130408][ T8101] ? __kasan_check_read+0x11/0x20 [ 90.135415][ T8101] ? mark_lock+0xbf/0x630 [ 90.139730][ T8101] ? legacy_get_tree+0x103/0x1f0 [ 90.144663][ T8101] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 90.151072][ T8101] idr_get_free+0x35d/0x880 [ 90.155579][ T8101] idr_alloc_u32+0x13a/0x330 [ 90.160162][ T8101] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 90.165696][ T8101] ? lock_acquire+0x209/0x9e0 [ 90.170366][ T8101] ? __kasan_check_write+0x14/0x20 [ 90.175471][ T8101] ? do_raw_spin_lock+0x132/0x2e0 [ 90.177029][ T8107] FAULT_INJECTION: forcing a failure. [ 90.177029][ T8107] name failslab, interval 1, probability 0, space 0, times 0 [ 90.180481][ T8101] idr_alloc+0x7d/0xc0 [ 90.197063][ T8101] ? idr_alloc_u32+0x330/0x330 [ 90.201824][ T8101] p9_client_prepare_req.part.5+0x571/0x670 [ 90.207690][ T8101] p9_client_rpc+0x174/0xe50 [ 90.212248][ T8101] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 90.218025][ T8101] ? __debug_object_init+0x4fc/0x10f0 [ 90.223369][ T8101] ? __kasan_check_read+0x11/0x20 [ 90.228361][ T8101] ? p9_client_prepare_req.part.5+0x670/0x670 [ 90.234401][ T8101] ? free_object+0x70/0x70 [ 90.238787][ T8101] ? ksys_dup3+0x2e0/0x2e0 [ 90.243182][ T8101] ? lockdep_init_map_waits+0x270/0x870 [ 90.248697][ T8101] ? __kasan_check_write+0x14/0x20 [ 90.253776][ T8101] ? p9_conn_create+0x3ce/0x4f0 [ 90.258601][ T8101] ? p9_conn_create+0x4f0/0x4f0 [ 90.263425][ T8101] p9_client_create+0x7fb/0x10f0 [ 90.268337][ T8101] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 90.274384][ T8101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.279903][ T8101] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.285947][ T8101] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.291727][ T8101] ? lockdep_init_map_waits+0x270/0x870 [ 90.297250][ T8101] v9fs_session_init+0x1ed/0x14c0 [ 90.302244][ T8101] ? v9fs_session_init+0x1ed/0x14c0 [ 90.307412][ T8101] ? find_held_lock+0x36/0x1d0 [ 90.312160][ T8101] ? v9fs_show_options+0x6c0/0x6c0 [ 90.317239][ T8101] ? __kasan_check_read+0x11/0x20 [ 90.322231][ T8101] ? udp_v4_early_demux+0xed0/0x19b0 [ 90.327485][ T8101] ? v9fs_mount+0x55/0x7f0 [ 90.331870][ T8101] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.337384][ T8101] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.343417][ T8101] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.349209][ T8101] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.354725][ T8101] ? apparmor_task_alloc+0x2f0/0x2f0 [ 90.359979][ T8101] v9fs_mount+0x72/0x7f0 [ 90.364200][ T8101] ? v9fs_write_inode+0x50/0x50 [ 90.369025][ T8101] legacy_get_tree+0x103/0x1f0 [ 90.373760][ T8101] vfs_get_tree+0x8b/0x2d0 [ 90.378144][ T8101] ? capable+0x14/0x20 [ 90.382185][ T8101] do_mount+0x1272/0x1c30 [ 90.386480][ T8101] ? lock_downgrade+0x960/0x960 [ 90.391305][ T8101] ? copy_mount_string+0x20/0x20 [ 90.396216][ T8101] ? __kasan_check_write+0x14/0x20 [ 90.401310][ T8101] ? _copy_from_user+0xc5/0x110 [ 90.406139][ T8101] __x64_sys_mount+0x169/0x1c0 [ 90.410901][ T8101] do_syscall_64+0xd0/0x630 [ 90.415386][ T8101] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 90.421263][ T8101] RIP: 0033:0x458da9 [ 90.425138][ T8101] 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 [ 90.444712][ T8101] RSP: 002b:00007efcfe94ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.453092][ T8101] RAX: ffffffffffffffda RBX: 00007efcfe94ac90 RCX: 0000000000458da9 [ 90.461033][ T8101] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.468977][ T8101] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 90.476929][ T8101] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe94b6d4 [ 90.484870][ T8101] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.492829][ T8107] CPU: 1 PID: 8107 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 90.501402][ T8107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.510828][ T8108] FAULT_INJECTION: forcing a failure. [ 90.510828][ T8108] name failslab, interval 1, probability 0, space 0, times 0 [ 90.511645][ T8107] Call Trace: [ 90.527460][ T8107] dump_stack+0x12d/0x187 [ 90.531764][ T8107] should_fail.cold.4+0x5/0x13 [ 90.536497][ T8107] ? stack_trace_save+0x82/0xb0 [ 90.541320][ T8107] ? fault_create_debugfs_attr+0x150/0x150 [ 90.547100][ T8107] __should_failslab+0xba/0xf0 [ 90.551871][ T8107] should_failslab+0x9/0x14 [ 90.556343][ T8107] kmem_cache_alloc+0x47/0x760 [ 90.561082][ T8107] ? __kasan_check_read+0x11/0x20 [ 90.566091][ T8107] ? mark_lock+0xbf/0x630 [ 90.570394][ T8107] ? legacy_get_tree+0x103/0x1f0 [ 90.575309][ T8107] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 90.581716][ T8107] idr_get_free+0x35d/0x880 [ 90.586216][ T8107] ? mark_held_locks+0x130/0x130 [ 90.591144][ T8107] idr_alloc_u32+0x13a/0x330 [ 90.595736][ T8107] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 90.601253][ T8107] ? lock_acquire+0x209/0x9e0 [ 90.605905][ T8107] ? __kasan_check_write+0x14/0x20 [ 90.610989][ T8107] ? do_raw_spin_lock+0x132/0x2e0 [ 90.615988][ T8107] idr_alloc+0x7d/0xc0 [ 90.620027][ T8107] ? idr_alloc_u32+0x330/0x330 [ 90.624780][ T8107] p9_client_prepare_req.part.5+0x571/0x670 [ 90.630647][ T8107] p9_client_rpc+0x174/0xe50 [ 90.635210][ T8107] ? p9_client_prepare_req.part.5+0x670/0x670 [ 90.641246][ T8107] ? p9_pollwait+0x182/0x210 [ 90.645809][ T8107] ? pipe_poll+0xc8/0x6b0 [ 90.650106][ T8107] ? ksys_dup3+0x2e0/0x2e0 [ 90.654497][ T8107] ? p9_fd_poll+0x19b/0x2a0 [ 90.658972][ T8107] ? p9_conn_create+0x3a5/0x4f0 [ 90.663792][ T8107] ? p9_conn_create+0x4f0/0x4f0 [ 90.668628][ T8107] p9_client_create+0x7fb/0x10f0 [ 90.673540][ T8107] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 90.679574][ T8107] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.685088][ T8107] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.691125][ T8107] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.696905][ T8107] ? lockdep_init_map_waits+0x270/0x870 [ 90.702431][ T8107] v9fs_session_init+0x1ed/0x14c0 [ 90.707433][ T8107] ? v9fs_session_init+0x1ed/0x14c0 [ 90.712603][ T8107] ? find_held_lock+0x36/0x1d0 [ 90.717340][ T8107] ? v9fs_show_options+0x6c0/0x6c0 [ 90.722429][ T8107] ? __kasan_check_read+0x11/0x20 [ 90.727434][ T8107] ? v9fs_mount+0x55/0x7f0 [ 90.731831][ T8107] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.737345][ T8107] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.743379][ T8107] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.749158][ T8107] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.754674][ T8107] ? apparmor_task_alloc+0x2f0/0x2f0 [ 90.759930][ T8107] v9fs_mount+0x72/0x7f0 [ 90.764157][ T8107] ? v9fs_write_inode+0x50/0x50 [ 90.768976][ T8107] legacy_get_tree+0x103/0x1f0 [ 90.773798][ T8107] vfs_get_tree+0x8b/0x2d0 [ 90.778181][ T8107] ? capable+0x14/0x20 [ 90.782222][ T8107] do_mount+0x1272/0x1c30 [ 90.786518][ T8107] ? lock_downgrade+0x960/0x960 [ 90.791426][ T8107] ? copy_mount_string+0x20/0x20 [ 90.796338][ T8107] ? __kasan_check_write+0x14/0x20 [ 90.801420][ T8107] ? _copy_from_user+0xc5/0x110 [ 90.806244][ T8107] __x64_sys_mount+0x169/0x1c0 [ 90.810980][ T8107] do_syscall_64+0xd0/0x630 [ 90.815456][ T8107] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 90.821328][ T8107] RIP: 0033:0x458da9 [ 90.825194][ T8107] 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 [ 90.844768][ T8107] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.853150][ T8107] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 90.861091][ T8107] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.869037][ T8107] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 90.876996][ T8107] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 90.884941][ T8107] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.892902][ T8108] CPU: 0 PID: 8108 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 90.901485][ T8108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.911541][ T8108] Call Trace: [ 90.914849][ T8108] dump_stack+0x12d/0x187 [ 90.919180][ T8108] should_fail.cold.4+0x5/0x13 [ 90.923937][ T8108] ? fault_create_debugfs_attr+0x150/0x150 [ 90.929732][ T8108] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 90.936309][ T8108] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.941850][ T8108] __should_failslab+0xba/0xf0 [ 90.946611][ T8108] should_failslab+0x9/0x14 [ 90.951108][ T8108] kmem_cache_alloc+0x47/0x760 [ 90.955866][ T8108] ? __kasan_check_read+0x11/0x20 [ 90.960894][ T8108] ? mark_lock+0xbf/0x630 [ 90.965216][ T8108] ? legacy_get_tree+0x103/0x1f0 [ 90.970158][ T8108] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 90.976570][ T8108] idr_get_free+0x35d/0x880 [ 90.981781][ T8108] idr_alloc_u32+0x13a/0x330 [ 90.986370][ T8108] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 90.991912][ T8108] ? lock_acquire+0x209/0x9e0 [ 90.996707][ T8108] ? __kasan_check_write+0x14/0x20 [ 91.001828][ T8108] ? do_raw_spin_lock+0x132/0x2e0 [ 91.006851][ T8108] idr_alloc+0x7d/0xc0 [ 91.010915][ T8108] ? idr_alloc_u32+0x330/0x330 [ 91.015686][ T8108] p9_client_prepare_req.part.5+0x571/0x670 [ 91.021575][ T8108] p9_client_rpc+0x174/0xe50 [ 91.026162][ T8108] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.032221][ T8108] ? p9_pollwait+0x182/0x210 [ 91.036805][ T8108] ? pipe_poll+0xc8/0x6b0 [ 91.041125][ T8108] ? ksys_dup3+0x2e0/0x2e0 [ 91.045537][ T8108] ? p9_fd_poll+0x19b/0x2a0 [ 91.050120][ T8108] ? p9_conn_create+0x3a5/0x4f0 [ 91.051704][ T8118] FAULT_INJECTION: forcing a failure. [ 91.051704][ T8118] name failslab, interval 1, probability 0, space 0, times 0 [ 91.054960][ T8108] ? p9_conn_create+0x4f0/0x4f0 [ 91.072365][ T8108] p9_client_create+0x7fb/0x10f0 [ 91.077284][ T8108] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.083326][ T8108] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.088845][ T8108] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.094884][ T8108] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.100669][ T8108] ? lockdep_init_map_waits+0x270/0x870 [ 91.106211][ T8108] v9fs_session_init+0x1ed/0x14c0 [ 91.111208][ T8108] ? v9fs_session_init+0x1ed/0x14c0 [ 91.116382][ T8108] ? find_held_lock+0x36/0x1d0 [ 91.121125][ T8108] ? v9fs_show_options+0x6c0/0x6c0 [ 91.126222][ T8108] ? __kasan_check_read+0x11/0x20 [ 91.131223][ T8108] ? v9fs_mount+0x55/0x7f0 [ 91.135636][ T8108] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.141169][ T8108] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.147223][ T8108] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.153020][ T8108] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.158541][ T8108] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.163852][ T8108] v9fs_mount+0x72/0x7f0 [ 91.168070][ T8108] ? v9fs_write_inode+0x50/0x50 [ 91.172907][ T8108] legacy_get_tree+0x103/0x1f0 [ 91.177647][ T8108] vfs_get_tree+0x8b/0x2d0 [ 91.182037][ T8108] ? capable+0x14/0x20 [ 91.186118][ T8108] do_mount+0x1272/0x1c30 [ 91.190451][ T8108] ? lock_downgrade+0x960/0x960 [ 91.195297][ T8108] ? copy_mount_string+0x20/0x20 [ 91.200216][ T8108] ? __kasan_check_write+0x14/0x20 [ 91.205324][ T8108] ? _copy_from_user+0xc5/0x110 [ 91.210330][ T8108] __x64_sys_mount+0x169/0x1c0 [ 91.215073][ T8108] do_syscall_64+0xd0/0x630 [ 91.219553][ T8108] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 91.225418][ T8108] RIP: 0033:0x458da9 [ 91.230082][ T8108] 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 [ 91.249764][ T8108] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.258162][ T8108] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 91.266114][ T8108] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 91.274145][ T8108] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 91.282088][ T8108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 91.290032][ T8108] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 91.298104][ T8118] CPU: 1 PID: 8118 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 91.306692][ T8118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.316739][ T8118] Call Trace: [ 91.320021][ T8118] dump_stack+0x12d/0x187 [ 91.324345][ T8118] should_fail.cold.4+0x5/0x13 [ 91.329100][ T8118] ? stack_trace_save+0x82/0xb0 [ 91.333949][ T8118] ? fault_create_debugfs_attr+0x150/0x150 [ 91.337953][ T8125] FAULT_INJECTION: forcing a failure. [ 91.337953][ T8125] name failslab, interval 1, probability 0, space 0, times 0 [ 91.339750][ T8118] __should_failslab+0xba/0xf0 [ 91.357041][ T8118] should_failslab+0x9/0x14 [ 91.361706][ T8118] kmem_cache_alloc+0x47/0x760 [ 91.366631][ T8118] ? __kasan_check_read+0x11/0x20 [ 91.371652][ T8118] ? mark_lock+0xbf/0x630 [ 91.375954][ T8118] ? legacy_get_tree+0x103/0x1f0 [ 91.380958][ T8118] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 91.387438][ T8118] idr_get_free+0x35d/0x880 [ 91.392107][ T8118] ? mark_held_locks+0x130/0x130 [ 91.397017][ T8118] idr_alloc_u32+0x13a/0x330 [ 91.401608][ T8118] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 91.407414][ T8118] ? lock_acquire+0x209/0x9e0 [ 91.412081][ T8118] ? __kasan_check_write+0x14/0x20 [ 91.417174][ T8118] ? do_raw_spin_lock+0x132/0x2e0 [ 91.422192][ T8118] idr_alloc+0x7d/0xc0 [ 91.426237][ T8118] ? idr_alloc_u32+0x330/0x330 [ 91.430988][ T8118] p9_client_prepare_req.part.5+0x571/0x670 [ 91.436894][ T8118] p9_client_rpc+0x174/0xe50 [ 91.441648][ T8118] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.447690][ T8118] ? p9_pollwait+0x182/0x210 [ 91.452270][ T8118] ? pipe_poll+0xc8/0x6b0 [ 91.456572][ T8118] ? ksys_dup3+0x2e0/0x2e0 [ 91.460985][ T8118] ? p9_fd_poll+0x19b/0x2a0 [ 91.465465][ T8118] ? p9_conn_create+0x3a5/0x4f0 [ 91.470293][ T8118] ? p9_conn_create+0x4f0/0x4f0 [ 91.475121][ T8118] p9_client_create+0x7fb/0x10f0 [ 91.480035][ T8118] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.486420][ T8118] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.491997][ T8118] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.498034][ T8118] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.503829][ T8118] ? lockdep_init_map_waits+0x270/0x870 [ 91.509376][ T8118] v9fs_session_init+0x1ed/0x14c0 [ 91.514407][ T8118] ? v9fs_session_init+0x1ed/0x14c0 [ 91.519599][ T8118] ? find_held_lock+0x36/0x1d0 [ 91.524347][ T8118] ? v9fs_show_options+0x6c0/0x6c0 [ 91.529440][ T8118] ? __kasan_check_read+0x11/0x20 [ 91.534459][ T8118] ? v9fs_mount+0x55/0x7f0 [ 91.538882][ T8118] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.544407][ T8118] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.550450][ T8118] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.556324][ T8118] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.561871][ T8118] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.567151][ T8118] v9fs_mount+0x72/0x7f0 [ 91.571411][ T8118] ? v9fs_write_inode+0x50/0x50 [ 91.576241][ T8118] legacy_get_tree+0x103/0x1f0 [ 91.581094][ T8118] vfs_get_tree+0x8b/0x2d0 [ 91.585571][ T8118] ? capable+0x14/0x20 [ 91.589640][ T8118] do_mount+0x1272/0x1c30 [ 91.593942][ T8118] ? lock_downgrade+0x960/0x960 [ 91.598769][ T8118] ? copy_mount_string+0x20/0x20 [ 91.603688][ T8118] ? __kasan_check_write+0x14/0x20 [ 91.608771][ T8118] ? _copy_from_user+0xc5/0x110 [ 91.613603][ T8118] __x64_sys_mount+0x169/0x1c0 [ 91.618344][ T8118] do_syscall_64+0xd0/0x630 [ 91.624387][ T8118] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 91.630269][ T8118] RIP: 0033:0x458da9 [ 91.634488][ 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 [ 91.654076][ T8118] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.662458][ T8118] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 91.670418][ T8118] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 91.678374][ T8118] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 91.686328][ T8118] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 91.694731][ T8118] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 91.702707][ T8125] CPU: 0 PID: 8125 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 91.711285][ T8125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.721333][ T8125] Call Trace: [ 91.724620][ T8125] dump_stack+0x12d/0x187 [ 91.728951][ T8125] should_fail.cold.4+0x5/0x13 [ 91.733715][ T8125] ? stack_trace_save+0x82/0xb0 [ 91.738563][ T8125] ? fault_create_debugfs_attr+0x150/0x150 [ 91.744379][ T8125] __should_failslab+0xba/0xf0 [ 91.749138][ T8125] should_failslab+0x9/0x14 [ 91.753642][ T8125] kmem_cache_alloc+0x47/0x760 [ 91.758381][ T8126] FAULT_INJECTION: forcing a failure. [ 91.758381][ T8126] name failslab, interval 1, probability 0, space 0, times 0 [ 91.758692][ T8125] ? __kasan_check_read+0x11/0x20 [ 91.776383][ T8125] ? mark_lock+0xbf/0x630 [ 91.780686][ T8125] ? mark_held_locks+0x130/0x130 [ 91.785598][ T8125] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 91.791988][ T8125] idr_get_free+0x35d/0x880 [ 91.796483][ T8125] ? mark_held_locks+0x130/0x130 [ 91.801393][ T8125] idr_alloc_u32+0x13a/0x330 [ 91.805957][ T8125] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 91.811474][ T8125] ? lock_acquire+0x209/0x9e0 [ 91.816142][ T8125] ? __kasan_check_write+0x14/0x20 [ 91.821240][ T8125] ? do_raw_spin_lock+0x132/0x2e0 [ 91.826238][ T8125] idr_alloc+0x7d/0xc0 [ 91.830280][ T8125] ? idr_alloc_u32+0x330/0x330 [ 91.835043][ T8125] p9_client_prepare_req.part.5+0x571/0x670 [ 91.841095][ T8125] p9_client_rpc+0x174/0xe50 [ 91.845688][ T8125] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.851735][ T8125] ? p9_pollwait+0x182/0x210 [ 91.856302][ T8125] ? pipe_poll+0xc8/0x6b0 [ 91.860607][ T8125] ? ksys_dup3+0x2e0/0x2e0 [ 91.865015][ T8125] ? p9_fd_poll+0x19b/0x2a0 [ 91.869612][ T8125] ? p9_conn_create+0x3a5/0x4f0 [ 91.874453][ T8125] ? p9_conn_create+0x4f0/0x4f0 [ 91.879282][ T8125] p9_client_create+0x7fb/0x10f0 [ 91.884212][ T8125] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.890270][ T8125] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.896161][ T8125] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.902221][ T8125] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.908011][ T8125] ? lockdep_init_map_waits+0x270/0x870 [ 91.913647][ T8125] v9fs_session_init+0x1ed/0x14c0 [ 91.918753][ T8125] ? v9fs_session_init+0x1ed/0x14c0 [ 91.928184][ T8125] ? find_held_lock+0x36/0x1d0 [ 91.933017][ T8125] ? v9fs_show_options+0x6c0/0x6c0 [ 91.938102][ T8125] ? __kasan_check_read+0x11/0x20 [ 91.944928][ T8125] ? v9fs_mount+0x55/0x7f0 [ 91.949315][ T8125] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.955091][ T8125] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.961140][ T8125] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.966926][ T8125] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.974442][ T8125] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.979716][ T8125] v9fs_mount+0x72/0x7f0 [ 91.983936][ T8125] ? v9fs_write_inode+0x50/0x50 [ 91.988757][ T8125] legacy_get_tree+0x103/0x1f0 [ 91.993496][ T8125] vfs_get_tree+0x8b/0x2d0 [ 91.997894][ T8125] ? capable+0x14/0x20 [ 92.001938][ T8125] do_mount+0x1272/0x1c30 [ 92.006245][ T8125] ? lock_downgrade+0x960/0x960 [ 92.011071][ T8125] ? copy_mount_string+0x20/0x20 [ 92.015988][ T8125] ? __kasan_check_write+0x14/0x20 [ 92.021071][ T8125] ? _copy_from_user+0xc5/0x110 [ 92.025914][ T8125] __x64_sys_mount+0x169/0x1c0 [ 92.031616][ T8125] do_syscall_64+0xd0/0x630 [ 92.036110][ T8125] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 92.042002][ T8125] RIP: 0033:0x458da9 [ 92.045869][ 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 [ 92.065536][ T8125] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.073923][ T8125] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 92.081885][ T8125] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.090005][ T8125] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.097952][ T8125] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 92.105897][ T8125] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.113865][ T8126] CPU: 1 PID: 8126 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 92.122446][ T8126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.132504][ T8126] Call Trace: [ 92.135784][ T8126] dump_stack+0x12d/0x187 [ 92.140106][ T8126] should_fail.cold.4+0x5/0x13 [ 92.144877][ T8126] ? fault_create_debugfs_attr+0x150/0x150 [ 92.150693][ T8126] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 92.154768][ T8124] FAULT_INJECTION: forcing a failure. [ 92.154768][ T8124] name failslab, interval 1, probability 0, space 0, times 0 [ 92.157364][ T8126] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.175523][ T8126] __should_failslab+0xba/0xf0 [ 92.180261][ T8126] should_failslab+0x9/0x14 [ 92.184739][ T8126] kmem_cache_alloc+0x47/0x760 [ 92.189476][ T8126] ? __kasan_check_read+0x11/0x20 [ 92.194475][ T8126] ? mark_lock+0xbf/0x630 [ 92.198784][ T8126] ? legacy_get_tree+0x103/0x1f0 [ 92.203705][ T8126] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 92.210093][ T8126] idr_get_free+0x35d/0x880 [ 92.214577][ T8126] idr_alloc_u32+0x13a/0x330 [ 92.219251][ T8126] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 92.224767][ T8126] ? lock_acquire+0x209/0x9e0 [ 92.229422][ T8126] ? __kasan_check_write+0x14/0x20 [ 92.234506][ T8126] ? do_raw_spin_lock+0x132/0x2e0 [ 92.239505][ T8126] idr_alloc+0x7d/0xc0 [ 92.243546][ T8126] ? idr_alloc_u32+0x330/0x330 [ 92.248287][ T8126] p9_client_prepare_req.part.5+0x571/0x670 [ 92.254155][ T8126] p9_client_rpc+0x174/0xe50 [ 92.258719][ T8126] ? p9_client_prepare_req.part.5+0x670/0x670 [ 92.264760][ T8126] ? p9_pollwait+0x182/0x210 [ 92.269323][ T8126] ? pipe_poll+0xc8/0x6b0 [ 92.273621][ T8126] ? ksys_dup3+0x2e0/0x2e0 [ 92.278010][ T8126] ? p9_fd_poll+0x19b/0x2a0 [ 92.282486][ T8126] ? p9_conn_create+0x3a5/0x4f0 [ 92.287325][ T8126] ? p9_conn_create+0x4f0/0x4f0 [ 92.292167][ T8126] p9_client_create+0x7fb/0x10f0 [ 92.297093][ T8126] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 92.303132][ T8126] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.308756][ T8126] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.314794][ T8126] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.320576][ T8126] ? lockdep_init_map_waits+0x270/0x870 [ 92.326101][ T8126] v9fs_session_init+0x1ed/0x14c0 [ 92.331110][ T8126] ? v9fs_session_init+0x1ed/0x14c0 [ 92.336284][ T8126] ? find_held_lock+0x36/0x1d0 [ 92.341026][ T8126] ? v9fs_show_options+0x6c0/0x6c0 [ 92.346124][ T8126] ? __kasan_check_read+0x11/0x20 [ 92.351137][ T8126] ? v9fs_mount+0x55/0x7f0 [ 92.355526][ T8126] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.361131][ T8126] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.367296][ T8126] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.373192][ T8126] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.378807][ T8126] ? apparmor_task_alloc+0x2f0/0x2f0 [ 92.384158][ T8126] v9fs_mount+0x72/0x7f0 [ 92.388396][ T8126] ? v9fs_write_inode+0x50/0x50 [ 92.393242][ T8126] legacy_get_tree+0x103/0x1f0 [ 92.397985][ T8126] vfs_get_tree+0x8b/0x2d0 [ 92.402376][ T8126] ? capable+0x14/0x20 [ 92.406611][ T8126] do_mount+0x1272/0x1c30 [ 92.410933][ T8126] ? lock_downgrade+0x960/0x960 [ 92.415763][ T8126] ? copy_mount_string+0x20/0x20 [ 92.420682][ T8126] ? __kasan_check_write+0x14/0x20 [ 92.425769][ T8126] ? _copy_from_user+0xc5/0x110 [ 92.432699][ T8126] __x64_sys_mount+0x169/0x1c0 [ 92.437447][ T8126] do_syscall_64+0xd0/0x630 [ 92.441931][ T8126] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 92.447798][ T8126] RIP: 0033:0x458da9 [ 92.451672][ T8126] 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 [ 92.471248][ T8126] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.479633][ T8126] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 92.487664][ T8126] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.495694][ T8126] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.503726][ T8126] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 92.511670][ T8126] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.519649][ T8124] CPU: 0 PID: 8124 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 2020/04/21 09:24:49 executed programs: 107 [ 92.528225][ T8124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.538271][ T8124] Call Trace: [ 92.541561][ T8124] dump_stack+0x12d/0x187 [ 92.547105][ T8124] should_fail.cold.4+0x5/0x13 [ 92.551981][ T8124] ? stack_trace_save+0x82/0xb0 [ 92.556912][ T8124] ? fault_create_debugfs_attr+0x150/0x150 [ 92.562716][ T8124] __should_failslab+0xba/0xf0 [ 92.567561][ T8124] should_failslab+0x9/0x14 [ 92.572265][ T8124] kmem_cache_alloc+0x47/0x760 [ 92.577034][ T8124] ? __kasan_check_read+0x11/0x20 [ 92.582057][ T8124] ? mark_lock+0xbf/0x630 [ 92.586381][ T8124] ? mark_held_locks+0x130/0x130 [ 92.591315][ T8124] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 92.597925][ T8124] idr_get_free+0x35d/0x880 [ 92.602426][ T8124] ? mark_held_locks+0x130/0x130 [ 92.607357][ T8124] idr_alloc_u32+0x13a/0x330 [ 92.611944][ T8124] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 92.617480][ T8124] ? lock_acquire+0x209/0x9e0 [ 92.622154][ T8124] ? __kasan_check_write+0x14/0x20 [ 92.627339][ T8124] ? do_raw_spin_lock+0x132/0x2e0 [ 92.632356][ T8124] idr_alloc+0x7d/0xc0 [ 92.636414][ T8124] ? idr_alloc_u32+0x330/0x330 [ 92.641181][ T8124] p9_client_prepare_req.part.5+0x571/0x670 [ 92.647077][ T8124] p9_client_rpc+0x174/0xe50 [ 92.651663][ T8124] ? p9_client_prepare_req.part.5+0x670/0x670 [ 92.657728][ T8124] ? p9_pollwait+0x182/0x210 [ 92.662744][ T8124] ? pipe_poll+0xc8/0x6b0 [ 92.667059][ T8124] ? ksys_dup3+0x2e0/0x2e0 [ 92.671465][ T8124] ? p9_fd_poll+0x19b/0x2a0 [ 92.675958][ T8124] ? p9_conn_create+0x3a5/0x4f0 [ 92.680807][ T8124] ? p9_conn_create+0x4f0/0x4f0 [ 92.685747][ T8124] p9_client_create+0x7fb/0x10f0 [ 92.690682][ T8124] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 92.696740][ T8124] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.702291][ T8124] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.708361][ T8124] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.708781][ T8144] FAULT_INJECTION: forcing a failure. [ 92.708781][ T8144] name failslab, interval 1, probability 0, space 0, times 0 [ 92.714155][ T8124] ? lockdep_init_map_waits+0x270/0x870 [ 92.732223][ T8124] v9fs_session_init+0x1ed/0x14c0 [ 92.737221][ T8124] ? v9fs_session_init+0x1ed/0x14c0 [ 92.742393][ T8124] ? find_held_lock+0x36/0x1d0 [ 92.747132][ T8124] ? v9fs_show_options+0x6c0/0x6c0 [ 92.752211][ T8124] ? __kasan_check_read+0x11/0x20 [ 92.757211][ T8124] ? v9fs_mount+0x55/0x7f0 [ 92.761599][ T8124] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.767114][ T8124] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.773150][ T8124] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.778944][ T8124] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.784460][ T8124] ? apparmor_task_alloc+0x2f0/0x2f0 [ 92.789727][ T8124] v9fs_mount+0x72/0x7f0 [ 92.793941][ T8124] ? v9fs_write_inode+0x50/0x50 [ 92.798760][ T8124] legacy_get_tree+0x103/0x1f0 [ 92.803496][ T8124] vfs_get_tree+0x8b/0x2d0 [ 92.807881][ T8124] ? capable+0x14/0x20 [ 92.811923][ T8124] do_mount+0x1272/0x1c30 [ 92.819171][ T8124] ? lock_downgrade+0x960/0x960 [ 92.824001][ T8124] ? copy_mount_string+0x20/0x20 [ 92.828928][ T8124] ? __kasan_check_write+0x14/0x20 [ 92.834020][ T8124] ? _copy_from_user+0xc5/0x110 [ 92.838847][ T8124] __x64_sys_mount+0x169/0x1c0 [ 92.843585][ T8124] do_syscall_64+0xd0/0x630 [ 92.848062][ T8124] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 92.853923][ T8124] RIP: 0033:0x458da9 [ 92.857790][ T8124] 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 [ 92.877364][ T8124] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.885744][ T8124] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 92.893687][ T8124] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.901628][ T8124] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.909570][ T8124] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 92.917515][ T8124] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.925479][ T8144] CPU: 1 PID: 8144 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 92.934051][ T8144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.944097][ T8144] Call Trace: [ 92.947374][ T8144] dump_stack+0x12d/0x187 [ 92.951695][ T8144] should_fail.cold.4+0x5/0x13 [ 92.956451][ T8144] ? fault_create_debugfs_attr+0x150/0x150 [ 92.962240][ T8144] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 92.968815][ T8144] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.972526][ T8146] FAULT_INJECTION: forcing a failure. [ 92.972526][ T8146] name failslab, interval 1, probability 0, space 0, times 0 [ 92.974347][ T8144] __should_failslab+0xba/0xf0 [ 92.991640][ T8144] should_failslab+0x9/0x14 [ 92.996111][ T8144] kmem_cache_alloc+0x47/0x760 [ 93.000860][ T8144] ? __kasan_check_read+0x11/0x20 [ 93.005866][ T8144] ? mark_lock+0xbf/0x630 [ 93.010166][ T8144] ? legacy_get_tree+0x103/0x1f0 [ 93.015076][ T8144] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 93.021461][ T8144] idr_get_free+0x35d/0x880 [ 93.025952][ T8144] idr_alloc_u32+0x13a/0x330 [ 93.030515][ T8144] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 93.036029][ T8144] ? lock_acquire+0x209/0x9e0 [ 93.040678][ T8144] ? __kasan_check_write+0x14/0x20 [ 93.045773][ T8144] ? do_raw_spin_lock+0x132/0x2e0 [ 93.050777][ T8144] idr_alloc+0x7d/0xc0 [ 93.054823][ T8144] ? idr_alloc_u32+0x330/0x330 [ 93.059567][ T8144] p9_client_prepare_req.part.5+0x571/0x670 [ 93.065434][ T8144] p9_client_rpc+0x174/0xe50 [ 93.069999][ T8144] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.076038][ T8144] ? p9_pollwait+0x182/0x210 [ 93.080599][ T8144] ? pipe_poll+0xc8/0x6b0 [ 93.084985][ T8144] ? ksys_dup3+0x2e0/0x2e0 [ 93.089394][ T8144] ? p9_fd_poll+0x19b/0x2a0 [ 93.093867][ T8144] ? p9_conn_create+0x3a5/0x4f0 [ 93.098688][ T8144] ? p9_conn_create+0x4f0/0x4f0 [ 93.103514][ T8144] p9_client_create+0x7fb/0x10f0 [ 93.108426][ T8144] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.114476][ T8144] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.120009][ T8144] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.126051][ T8144] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.131841][ T8144] ? lockdep_init_map_waits+0x270/0x870 [ 93.137373][ T8144] v9fs_session_init+0x1ed/0x14c0 [ 93.142368][ T8144] ? v9fs_session_init+0x1ed/0x14c0 [ 93.147538][ T8144] ? find_held_lock+0x36/0x1d0 [ 93.152278][ T8144] ? v9fs_show_options+0x6c0/0x6c0 [ 93.157360][ T8144] ? __kasan_check_read+0x11/0x20 [ 93.162355][ T8144] ? v9fs_mount+0x55/0x7f0 [ 93.166744][ T8144] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.172262][ T8144] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.178304][ T8144] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.184086][ T8144] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.189846][ T8144] ? apparmor_task_alloc+0x2f0/0x2f0 [ 93.195197][ T8144] v9fs_mount+0x72/0x7f0 [ 93.199412][ T8144] ? v9fs_write_inode+0x50/0x50 [ 93.204233][ T8144] legacy_get_tree+0x103/0x1f0 [ 93.208972][ T8144] vfs_get_tree+0x8b/0x2d0 [ 93.213362][ T8144] ? capable+0x14/0x20 [ 93.217403][ T8144] do_mount+0x1272/0x1c30 [ 93.221710][ T8144] ? lock_downgrade+0x960/0x960 [ 93.226534][ T8144] ? copy_mount_string+0x20/0x20 [ 93.231449][ T8144] ? __kasan_check_write+0x14/0x20 [ 93.236538][ T8144] ? _copy_from_user+0xc5/0x110 [ 93.241387][ T8144] __x64_sys_mount+0x169/0x1c0 [ 93.246225][ T8144] do_syscall_64+0xd0/0x630 [ 93.250711][ T8144] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 93.256582][ T8144] RIP: 0033:0x458da9 [ 93.260448][ T8144] 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 [ 93.280021][ T8144] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.288402][ T8144] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 93.296344][ T8144] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 93.304301][ T8144] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 93.312248][ T8144] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 93.320190][ T8144] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 93.328150][ T8146] CPU: 0 PID: 8146 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 93.336727][ T8146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.346772][ T8146] Call Trace: [ 93.350051][ T8146] dump_stack+0x12d/0x187 [ 93.354380][ T8146] should_fail.cold.4+0x5/0x13 [ 93.359147][ T8146] ? fault_create_debugfs_attr+0x150/0x150 [ 93.364949][ T8146] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 93.371529][ T8146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.377066][ T8146] __should_failslab+0xba/0xf0 [ 93.380549][ T8154] FAULT_INJECTION: forcing a failure. [ 93.380549][ T8154] name failslab, interval 1, probability 0, space 0, times 0 [ 93.381822][ T8146] should_failslab+0x9/0x14 [ 93.399916][ T8146] kmem_cache_alloc+0x47/0x760 [ 93.404653][ T8146] ? __kasan_check_read+0x11/0x20 [ 93.409653][ T8146] ? mark_lock+0xbf/0x630 [ 93.413960][ T8146] ? legacy_get_tree+0x103/0x1f0 [ 93.418884][ T8146] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 93.425274][ T8146] idr_get_free+0x35d/0x880 [ 93.429761][ T8146] idr_alloc_u32+0x13a/0x330 [ 93.434420][ T8146] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 93.440029][ T8146] ? lock_acquire+0x209/0x9e0 [ 93.444691][ T8146] ? __kasan_check_write+0x14/0x20 [ 93.449778][ T8146] ? do_raw_spin_lock+0x132/0x2e0 [ 93.455315][ T8146] idr_alloc+0x7d/0xc0 [ 93.459352][ T8146] ? idr_alloc_u32+0x330/0x330 [ 93.464109][ T8146] p9_client_prepare_req.part.5+0x571/0x670 [ 93.469977][ T8146] p9_client_rpc+0x174/0xe50 [ 93.474551][ T8146] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.480589][ T8146] ? p9_pollwait+0x182/0x210 [ 93.485154][ T8146] ? pipe_poll+0xc8/0x6b0 [ 93.489466][ T8146] ? ksys_dup3+0x2e0/0x2e0 [ 93.493852][ T8146] ? p9_fd_poll+0x19b/0x2a0 [ 93.498327][ T8146] ? p9_conn_create+0x3a5/0x4f0 [ 93.503148][ T8146] ? p9_conn_create+0x4f0/0x4f0 [ 93.507982][ T8146] p9_client_create+0x7fb/0x10f0 [ 93.512982][ T8146] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.519030][ T8146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.524547][ T8146] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.530592][ T8146] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.536380][ T8146] ? lockdep_init_map_waits+0x270/0x870 [ 93.541902][ T8146] v9fs_session_init+0x1ed/0x14c0 [ 93.546896][ T8146] ? v9fs_session_init+0x1ed/0x14c0 [ 93.552064][ T8146] ? find_held_lock+0x36/0x1d0 [ 93.556810][ T8146] ? v9fs_show_options+0x6c0/0x6c0 [ 93.561918][ T8146] ? __kasan_check_read+0x11/0x20 [ 93.566918][ T8146] ? v9fs_mount+0x55/0x7f0 [ 93.571319][ T8146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.576839][ T8146] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.582884][ T8146] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.588668][ T8146] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.594200][ T8146] ? apparmor_task_alloc+0x2f0/0x2f0 [ 93.599468][ T8146] v9fs_mount+0x72/0x7f0 [ 93.603685][ T8146] ? v9fs_write_inode+0x50/0x50 [ 93.608508][ T8146] legacy_get_tree+0x103/0x1f0 [ 93.613246][ T8146] vfs_get_tree+0x8b/0x2d0 [ 93.617632][ T8146] ? capable+0x14/0x20 [ 93.621674][ T8146] do_mount+0x1272/0x1c30 [ 93.626066][ T8146] ? lock_downgrade+0x960/0x960 [ 93.630891][ T8146] ? copy_mount_string+0x20/0x20 [ 93.635805][ T8146] ? __kasan_check_write+0x14/0x20 [ 93.640886][ T8146] ? _copy_from_user+0xc5/0x110 [ 93.645711][ T8146] __x64_sys_mount+0x169/0x1c0 [ 93.650446][ T8146] do_syscall_64+0xd0/0x630 [ 93.655193][ T8146] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 93.661057][ T8146] RIP: 0033:0x458da9 [ 93.664929][ T8146] 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 [ 93.684505][ T8146] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.692884][ T8146] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 93.700825][ T8146] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 93.708770][ T8146] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 93.716713][ T8146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 93.724653][ T8146] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 93.732613][ T8154] CPU: 1 PID: 8154 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 93.741188][ T8154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.751230][ T8154] Call Trace: [ 93.754517][ T8154] dump_stack+0x12d/0x187 [ 93.758843][ T8154] should_fail.cold.4+0x5/0x13 [ 93.763597][ T8154] ? fault_create_debugfs_attr+0x150/0x150 [ 93.769484][ T8154] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 93.776061][ T8154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.781599][ T8154] __should_failslab+0xba/0xf0 [ 93.786353][ T8154] should_failslab+0x9/0x14 [ 93.790845][ T8154] kmem_cache_alloc+0x47/0x760 [ 93.795595][ T8154] ? __kasan_check_read+0x11/0x20 [ 93.799757][ T8147] FAULT_INJECTION: forcing a failure. [ 93.799757][ T8147] name failslab, interval 1, probability 0, space 0, times 0 [ 93.800604][ T8154] ? mark_lock+0xbf/0x630 [ 93.817570][ T8154] ? legacy_get_tree+0x103/0x1f0 [ 93.822482][ T8154] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 93.828885][ T8154] idr_get_free+0x35d/0x880 [ 93.833384][ T8154] idr_alloc_u32+0x13a/0x330 [ 93.837947][ T8154] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 93.843460][ T8154] ? lock_acquire+0x209/0x9e0 [ 93.848110][ T8154] ? __kasan_check_write+0x14/0x20 [ 93.853192][ T8154] ? do_raw_spin_lock+0x132/0x2e0 [ 93.858189][ T8154] idr_alloc+0x7d/0xc0 [ 93.862226][ T8154] ? idr_alloc_u32+0x330/0x330 [ 93.866968][ T8154] p9_client_prepare_req.part.5+0x571/0x670 [ 93.872835][ T8154] p9_client_rpc+0x174/0xe50 [ 93.877401][ T8154] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.883439][ T8154] ? p9_pollwait+0x182/0x210 [ 93.888001][ T8154] ? pipe_poll+0xc8/0x6b0 [ 93.892300][ T8154] ? ksys_dup3+0x2e0/0x2e0 [ 93.896685][ T8154] ? p9_fd_poll+0x19b/0x2a0 [ 93.901167][ T8154] ? p9_conn_create+0x3a5/0x4f0 [ 93.905990][ T8154] ? p9_conn_create+0x4f0/0x4f0 [ 93.910813][ T8154] p9_client_create+0x7fb/0x10f0 [ 93.915726][ T8154] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.921771][ T8154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.927284][ T8154] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.933325][ T8154] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.939105][ T8154] ? lockdep_init_map_waits+0x270/0x870 [ 93.944628][ T8154] v9fs_session_init+0x1ed/0x14c0 [ 93.949622][ T8154] ? v9fs_session_init+0x1ed/0x14c0 [ 93.954802][ T8154] ? find_held_lock+0x36/0x1d0 [ 93.959540][ T8154] ? v9fs_show_options+0x6c0/0x6c0 [ 93.964619][ T8154] ? __kasan_check_read+0x11/0x20 [ 93.969614][ T8154] ? v9fs_mount+0x55/0x7f0 [ 93.973998][ T8154] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.979514][ T8154] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.985557][ T8154] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.991337][ T8154] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.996851][ T8154] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.002108][ T8154] v9fs_mount+0x72/0x7f0 [ 94.006410][ T8154] ? v9fs_write_inode+0x50/0x50 [ 94.013059][ T8154] legacy_get_tree+0x103/0x1f0 [ 94.017796][ T8154] vfs_get_tree+0x8b/0x2d0 [ 94.022270][ T8154] ? capable+0x14/0x20 [ 94.026308][ T8154] do_mount+0x1272/0x1c30 [ 94.030605][ T8154] ? lock_downgrade+0x960/0x960 [ 94.035425][ T8154] ? copy_mount_string+0x20/0x20 [ 94.040339][ T8154] ? __kasan_check_write+0x14/0x20 [ 94.045418][ T8154] ? _copy_from_user+0xc5/0x110 [ 94.050246][ T8154] __x64_sys_mount+0x169/0x1c0 [ 94.054989][ T8154] do_syscall_64+0xd0/0x630 [ 94.059470][ T8154] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 94.065330][ T8154] RIP: 0033:0x458da9 [ 94.069212][ T8154] 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 [ 94.088795][ T8154] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.097181][ T8154] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 94.105122][ T8154] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.113067][ T8154] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.121009][ T8154] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 94.128951][ T8154] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.136909][ T8147] CPU: 0 PID: 8147 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 94.145478][ T8147] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.147559][ T8157] FAULT_INJECTION: forcing a failure. [ 94.147559][ T8157] name failslab, interval 1, probability 0, space 0, times 0 [ 94.155517][ T8147] Call Trace: [ 94.171332][ T8147] dump_stack+0x12d/0x187 [ 94.175649][ T8147] should_fail.cold.4+0x5/0x13 [ 94.180384][ T8147] ? stack_trace_save+0x82/0xb0 [ 94.185208][ T8147] ? fault_create_debugfs_attr+0x150/0x150 [ 94.190999][ T8147] __should_failslab+0xba/0xf0 [ 94.195733][ T8147] should_failslab+0x9/0x14 [ 94.200208][ T8147] kmem_cache_alloc+0x47/0x760 [ 94.204941][ T8147] ? __kasan_check_read+0x11/0x20 [ 94.209934][ T8147] ? mark_lock+0xbf/0x630 [ 94.214238][ T8147] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 94.220627][ T8147] idr_get_free+0x35d/0x880 [ 94.225107][ T8147] ? mark_held_locks+0x130/0x130 [ 94.230018][ T8147] idr_alloc_u32+0x13a/0x330 [ 94.234584][ T8147] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 94.240097][ T8147] ? lock_acquire+0x209/0x9e0 [ 94.244745][ T8147] ? __kasan_check_write+0x14/0x20 [ 94.249830][ T8147] ? do_raw_spin_lock+0x132/0x2e0 [ 94.254824][ T8147] idr_alloc+0x7d/0xc0 [ 94.258862][ T8147] ? idr_alloc_u32+0x330/0x330 [ 94.263610][ T8147] p9_client_prepare_req.part.5+0x571/0x670 [ 94.269486][ T8147] p9_client_rpc+0x174/0xe50 [ 94.274051][ T8147] ? p9_client_prepare_req.part.5+0x670/0x670 [ 94.280090][ T8147] ? p9_pollwait+0x182/0x210 [ 94.284650][ T8147] ? pipe_poll+0xc8/0x6b0 [ 94.288948][ T8147] ? ksys_dup3+0x2e0/0x2e0 [ 94.293333][ T8147] ? p9_fd_poll+0x19b/0x2a0 [ 94.297806][ T8147] ? p9_conn_create+0x3a5/0x4f0 [ 94.302628][ T8147] ? p9_conn_create+0x4f0/0x4f0 [ 94.307453][ T8147] p9_client_create+0x7fb/0x10f0 [ 94.312364][ T8147] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.318398][ T8147] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.323920][ T8147] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.329955][ T8147] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.335736][ T8147] ? lockdep_init_map_waits+0x270/0x870 [ 94.341257][ T8147] v9fs_session_init+0x1ed/0x14c0 [ 94.346261][ T8147] ? v9fs_session_init+0x1ed/0x14c0 [ 94.351438][ T8147] ? find_held_lock+0x36/0x1d0 [ 94.356189][ T8147] ? v9fs_show_options+0x6c0/0x6c0 [ 94.361269][ T8147] ? __kasan_check_read+0x11/0x20 [ 94.366352][ T8147] ? v9fs_mount+0x55/0x7f0 [ 94.370737][ T8147] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.376250][ T8147] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.382300][ T8147] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.388167][ T8147] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.393697][ T8147] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.398970][ T8147] v9fs_mount+0x72/0x7f0 [ 94.404845][ T8147] ? v9fs_write_inode+0x50/0x50 [ 94.409681][ T8147] legacy_get_tree+0x103/0x1f0 [ 94.414419][ T8147] vfs_get_tree+0x8b/0x2d0 [ 94.418836][ T8147] ? capable+0x14/0x20 [ 94.424005][ T8147] do_mount+0x1272/0x1c30 [ 94.428303][ T8147] ? lock_downgrade+0x960/0x960 [ 94.433126][ T8147] ? copy_mount_string+0x20/0x20 [ 94.438041][ T8147] ? __kasan_check_write+0x14/0x20 [ 94.443120][ T8147] ? _copy_from_user+0xc5/0x110 [ 94.447943][ T8147] __x64_sys_mount+0x169/0x1c0 [ 94.452683][ T8147] do_syscall_64+0xd0/0x630 [ 94.457159][ T8147] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 94.463022][ T8147] RIP: 0033:0x458da9 [ 94.466888][ T8147] 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 [ 94.486471][ T8147] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.494849][ T8147] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 94.502793][ T8147] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.510732][ T8147] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.518674][ T8147] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 94.526635][ T8147] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.534595][ T8157] CPU: 1 PID: 8157 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 94.535578][ T8142] FAULT_INJECTION: forcing a failure. [ 94.535578][ T8142] name failslab, interval 1, probability 0, space 0, times 0 [ 94.543159][ T8157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.543163][ T8157] Call Trace: [ 94.543174][ T8157] dump_stack+0x12d/0x187 [ 94.543186][ T8157] should_fail.cold.4+0x5/0x13 [ 94.543200][ T8157] ? fault_create_debugfs_attr+0x150/0x150 [ 94.543209][ T8157] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 94.590474][ T8157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.596013][ T8157] __should_failslab+0xba/0xf0 [ 94.600761][ T8157] should_failslab+0x9/0x14 [ 94.605249][ T8157] kmem_cache_alloc+0x47/0x760 [ 94.609998][ T8157] ? __kasan_check_read+0x11/0x20 [ 94.615009][ T8157] ? mark_lock+0xbf/0x630 [ 94.619320][ T8157] ? legacy_get_tree+0x103/0x1f0 [ 94.624248][ T8157] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 94.630653][ T8157] idr_get_free+0x35d/0x880 [ 94.635157][ T8157] idr_alloc_u32+0x13a/0x330 [ 94.639735][ T8157] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 94.645265][ T8157] ? lock_acquire+0x209/0x9e0 [ 94.649929][ T8157] ? __kasan_check_write+0x14/0x20 [ 94.655020][ T8157] ? do_raw_spin_lock+0x132/0x2e0 [ 94.660039][ T8157] idr_alloc+0x7d/0xc0 [ 94.664268][ T8157] ? idr_alloc_u32+0x330/0x330 [ 94.669025][ T8157] p9_client_prepare_req.part.5+0x571/0x670 [ 94.674908][ T8157] p9_client_rpc+0x174/0xe50 [ 94.679486][ T8157] ? p9_client_prepare_req.part.5+0x670/0x670 [ 94.685537][ T8157] ? p9_pollwait+0x182/0x210 [ 94.690122][ T8157] ? pipe_poll+0xc8/0x6b0 [ 94.694429][ T8157] ? ksys_dup3+0x2e0/0x2e0 [ 94.698830][ T8157] ? p9_fd_poll+0x19b/0x2a0 [ 94.703322][ T8157] ? p9_conn_create+0x3a5/0x4f0 [ 94.704056][ T8148] FAULT_INJECTION: forcing a failure. [ 94.704056][ T8148] name failslab, interval 1, probability 0, space 0, times 0 [ 94.708155][ T8157] ? p9_conn_create+0x4f0/0x4f0 [ 94.725526][ T8157] p9_client_create+0x7fb/0x10f0 [ 94.730439][ T8157] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.736476][ T8157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.741992][ T8157] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.748113][ T8157] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.753905][ T8157] ? lockdep_init_map_waits+0x270/0x870 [ 94.759426][ T8157] v9fs_session_init+0x1ed/0x14c0 [ 94.764418][ T8157] ? v9fs_session_init+0x1ed/0x14c0 [ 94.769599][ T8157] ? find_held_lock+0x36/0x1d0 [ 94.774336][ T8157] ? v9fs_show_options+0x6c0/0x6c0 [ 94.779413][ T8157] ? __kasan_check_read+0x11/0x20 [ 94.784415][ T8157] ? v9fs_mount+0x55/0x7f0 [ 94.789147][ T8157] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.794660][ T8157] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.800691][ T8157] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.806473][ T8157] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.811997][ T8157] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.817264][ T8157] v9fs_mount+0x72/0x7f0 [ 94.821480][ T8157] ? v9fs_write_inode+0x50/0x50 [ 94.826301][ T8157] legacy_get_tree+0x103/0x1f0 [ 94.831035][ T8157] vfs_get_tree+0x8b/0x2d0 [ 94.835420][ T8157] ? capable+0x14/0x20 [ 94.839461][ T8157] do_mount+0x1272/0x1c30 [ 94.843759][ T8157] ? lock_downgrade+0x960/0x960 [ 94.848582][ T8157] ? copy_mount_string+0x20/0x20 [ 94.853510][ T8157] ? __kasan_check_write+0x14/0x20 [ 94.858597][ T8157] ? _copy_from_user+0xc5/0x110 [ 94.863421][ T8157] __x64_sys_mount+0x169/0x1c0 [ 94.868156][ T8157] do_syscall_64+0xd0/0x630 [ 94.872633][ T8157] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 94.878494][ T8157] RIP: 0033:0x458da9 [ 94.882371][ T8157] 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 [ 94.901942][ T8157] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.910321][ T8157] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 94.918265][ T8157] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.926219][ T8157] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.934172][ T8157] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 94.942127][ T8157] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.950091][ T8148] CPU: 0 PID: 8148 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 94.958664][ T8148] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.968699][ T8148] Call Trace: [ 94.971965][ T8148] dump_stack+0x12d/0x187 [ 94.976292][ T8148] should_fail.cold.4+0x5/0x13 [ 94.981051][ T8148] ? fault_create_debugfs_attr+0x150/0x150 [ 94.986849][ T8148] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 94.993420][ T8148] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.998953][ T8148] __should_failslab+0xba/0xf0 [ 95.003705][ T8148] should_failslab+0x9/0x14 [ 95.008196][ T8148] kmem_cache_alloc+0x47/0x760 [ 95.012941][ T8148] ? __kasan_check_read+0x11/0x20 [ 95.017946][ T8148] ? mark_lock+0xbf/0x630 [ 95.022253][ T8148] ? legacy_get_tree+0x103/0x1f0 [ 95.027174][ T8148] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 95.033574][ T8148] idr_get_free+0x35d/0x880 [ 95.038071][ T8148] idr_alloc_u32+0x13a/0x330 [ 95.042651][ T8148] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 95.048168][ T8148] ? lock_acquire+0x209/0x9e0 [ 95.052823][ T8148] ? __kasan_check_write+0x14/0x20 [ 95.057912][ T8148] ? do_raw_spin_lock+0x132/0x2e0 [ 95.062911][ T8148] idr_alloc+0x7d/0xc0 [ 95.066953][ T8148] ? idr_alloc_u32+0x330/0x330 [ 95.071696][ T8148] p9_client_prepare_req.part.5+0x571/0x670 [ 95.077570][ T8148] p9_client_rpc+0x174/0xe50 [ 95.082143][ T8148] ? p9_client_prepare_req.part.5+0x670/0x670 [ 95.088191][ T8148] ? p9_pollwait+0x182/0x210 [ 95.092764][ T8148] ? pipe_poll+0xc8/0x6b0 [ 95.097070][ T8148] ? ksys_dup3+0x2e0/0x2e0 [ 95.101465][ T8148] ? p9_fd_poll+0x19b/0x2a0 [ 95.105948][ T8148] ? p9_conn_create+0x3a5/0x4f0 [ 95.110778][ T8148] ? p9_conn_create+0x4f0/0x4f0 [ 95.115610][ T8148] p9_client_create+0x7fb/0x10f0 [ 95.120534][ T8148] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 95.126581][ T8148] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.132094][ T8148] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.138130][ T8148] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.143915][ T8148] ? lockdep_init_map_waits+0x270/0x870 [ 95.149450][ T8148] v9fs_session_init+0x1ed/0x14c0 [ 95.154449][ T8148] ? v9fs_session_init+0x1ed/0x14c0 [ 95.159627][ T8148] ? find_held_lock+0x36/0x1d0 [ 95.164369][ T8148] ? v9fs_show_options+0x6c0/0x6c0 [ 95.169449][ T8148] ? __kasan_check_read+0x11/0x20 [ 95.174452][ T8148] ? v9fs_mount+0x55/0x7f0 [ 95.178845][ T8148] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.184363][ T8148] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.190395][ T8148] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.196181][ T8148] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.201707][ T8148] ? apparmor_task_alloc+0x2f0/0x2f0 [ 95.206967][ T8148] v9fs_mount+0x72/0x7f0 [ 95.211192][ T8148] ? v9fs_write_inode+0x50/0x50 [ 95.216015][ T8148] legacy_get_tree+0x103/0x1f0 [ 95.220758][ T8148] vfs_get_tree+0x8b/0x2d0 [ 95.225159][ T8148] ? capable+0x14/0x20 [ 95.229200][ T8148] do_mount+0x1272/0x1c30 [ 95.233509][ T8148] ? lock_downgrade+0x960/0x960 [ 95.238341][ T8148] ? copy_mount_string+0x20/0x20 [ 95.244314][ T8148] ? __kasan_check_write+0x14/0x20 [ 95.249406][ T8148] ? _copy_from_user+0xc5/0x110 [ 95.254234][ T8148] __x64_sys_mount+0x169/0x1c0 [ 95.258980][ T8148] do_syscall_64+0xd0/0x630 [ 95.263460][ T8148] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 95.269320][ T8148] RIP: 0033:0x458da9 [ 95.273191][ T8148] 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 [ 95.292771][ T8148] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.301160][ T8148] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 95.309116][ T8148] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 95.317060][ T8148] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 95.325005][ T8148] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 95.332969][ T8148] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 95.348196][ T8142] CPU: 0 PID: 8142 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 95.356807][ T8142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.367031][ T8142] Call Trace: [ 95.370307][ T8142] dump_stack+0x12d/0x187 [ 95.374631][ T8142] should_fail.cold.4+0x5/0x13 [ 95.379385][ T8142] ? fault_create_debugfs_attr+0x150/0x150 [ 95.385180][ T8142] ? ___might_sleep+0x16b/0x2b0 [ 95.390025][ T8142] __should_failslab+0xba/0xf0 [ 95.394775][ T8142] should_failslab+0x9/0x14 [ 95.399264][ T8142] kmem_cache_alloc+0x2ba/0x760 [ 95.404102][ T8142] ? __kmalloc+0x623/0x7a0 [ 95.408508][ T8142] ? lockdep_init_map_waits+0x270/0x870 [ 95.414054][ T8142] __radix_tree_preload+0xc1/0x230 [ 95.419164][ T8142] idr_preload+0xe/0x20 [ 95.423308][ T8142] p9_client_prepare_req.part.5+0x216/0x670 [ 95.429193][ T8142] p9_client_rpc+0x174/0xe50 [ 95.433769][ T8142] ? p9_client_prepare_req.part.5+0x670/0x670 [ 95.439821][ T8142] ? p9_pollwait+0x182/0x210 [ 95.444395][ T8142] ? pipe_poll+0xc8/0x6b0 [ 95.448707][ T8142] ? ksys_dup3+0x2e0/0x2e0 [ 95.453117][ T8142] ? p9_fd_poll+0x19b/0x2a0 [ 95.457604][ T8142] ? p9_conn_create+0x3a5/0x4f0 [ 95.462439][ T8142] ? p9_conn_create+0x4f0/0x4f0 [ 95.467275][ T8142] p9_client_create+0x7fb/0x10f0 [ 95.472197][ T8142] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 95.478245][ T8142] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.483769][ T8142] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.489811][ T8142] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.495606][ T8142] ? lockdep_init_map_waits+0x270/0x870 [ 95.501138][ T8142] v9fs_session_init+0x1ed/0x14c0 [ 95.506139][ T8142] ? v9fs_session_init+0x1ed/0x14c0 [ 95.511319][ T8142] ? find_held_lock+0x36/0x1d0 [ 95.516066][ T8142] ? v9fs_show_options+0x6c0/0x6c0 [ 95.521156][ T8142] ? __kasan_check_read+0x11/0x20 [ 95.526162][ T8142] ? v9fs_mount+0x55/0x7f0 [ 95.530572][ T8142] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.536107][ T8142] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.542159][ T8142] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.547953][ T8142] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.553488][ T8142] ? apparmor_task_alloc+0x2f0/0x2f0 [ 95.558759][ T8142] v9fs_mount+0x72/0x7f0 [ 95.562983][ T8142] ? v9fs_write_inode+0x50/0x50 [ 95.567813][ T8142] legacy_get_tree+0x103/0x1f0 [ 95.572559][ T8142] vfs_get_tree+0x8b/0x2d0 [ 95.576956][ T8142] ? capable+0x14/0x20 [ 95.581008][ T8142] do_mount+0x1272/0x1c30 [ 95.585315][ T8142] ? lock_downgrade+0x960/0x960 [ 95.590151][ T8142] ? copy_mount_string+0x20/0x20 [ 95.595203][ T8142] ? __kasan_check_write+0x14/0x20 [ 95.600294][ T8142] ? _copy_from_user+0xc5/0x110 [ 95.605134][ T8142] __x64_sys_mount+0x169/0x1c0 [ 95.609886][ T8142] do_syscall_64+0xd0/0x630 [ 95.614376][ T8142] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 95.620246][ T8142] RIP: 0033:0x458da9 [ 95.624119][ 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 [ 95.643703][ T8142] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.652105][ T8142] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 95.660054][ T8142] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 95.668005][ T8142] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 95.675955][ T8142] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 95.683905][ T8142] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 95.719589][ T8173] FAULT_INJECTION: forcing a failure. [ 95.719589][ T8173] name failslab, interval 1, probability 0, space 0, times 0 [ 95.732185][ T8173] CPU: 0 PID: 8173 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 95.740752][ T8173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.750792][ T8173] Call Trace: [ 95.754063][ T8173] dump_stack+0x12d/0x187 [ 95.758377][ T8173] should_fail.cold.4+0x5/0x13 [ 95.763120][ T8173] ? stack_trace_save+0x82/0xb0 [ 95.767959][ T8173] ? fault_create_debugfs_attr+0x150/0x150 [ 95.773762][ T8173] __should_failslab+0xba/0xf0 [ 95.778509][ T8173] should_failslab+0x9/0x14 [ 95.782995][ T8173] kmem_cache_alloc+0x47/0x760 [ 95.787835][ T8173] ? __kasan_check_read+0x11/0x20 [ 95.792836][ T8173] ? mark_lock+0xbf/0x630 [ 95.797151][ T8173] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 95.803545][ T8173] idr_get_free+0x35d/0x880 [ 95.808036][ T8173] ? mark_held_locks+0x130/0x130 [ 95.812954][ T8173] idr_alloc_u32+0x13a/0x330 [ 95.817538][ T8173] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 95.823065][ T8173] ? lock_acquire+0x209/0x9e0 [ 95.827724][ T8173] ? __kasan_check_write+0x14/0x20 [ 95.832823][ T8173] ? do_raw_spin_lock+0x132/0x2e0 [ 95.837840][ T8173] idr_alloc+0x7d/0xc0 [ 95.841891][ T8173] ? idr_alloc_u32+0x330/0x330 [ 95.846641][ T8173] p9_client_prepare_req.part.5+0x571/0x670 [ 95.852525][ T8173] p9_client_rpc+0x174/0xe50 [ 95.857105][ T8173] ? p9_client_prepare_req.part.5+0x670/0x670 [ 95.863154][ T8173] ? p9_pollwait+0x182/0x210 [ 95.867725][ T8173] ? pipe_poll+0xc8/0x6b0 [ 95.872033][ T8173] ? ksys_dup3+0x2e0/0x2e0 [ 95.876432][ T8173] ? p9_fd_poll+0x19b/0x2a0 [ 95.880914][ T8173] ? p9_conn_create+0x3a5/0x4f0 [ 95.885746][ T8173] ? p9_conn_create+0x4f0/0x4f0 [ 95.890584][ T8173] p9_client_create+0x7fb/0x10f0 [ 95.895512][ T8173] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 95.901555][ T8173] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.907076][ T8173] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.913122][ T8173] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.918912][ T8173] ? lockdep_init_map_waits+0x270/0x870 [ 95.924445][ T8173] v9fs_session_init+0x1ed/0x14c0 [ 95.929450][ T8173] ? v9fs_session_init+0x1ed/0x14c0 [ 95.934653][ T8173] ? find_held_lock+0x36/0x1d0 [ 95.939405][ T8173] ? v9fs_show_options+0x6c0/0x6c0 [ 95.944497][ T8173] ? __kasan_check_read+0x11/0x20 [ 95.949525][ T8173] ? v9fs_mount+0x55/0x7f0 [ 95.953920][ T8173] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.959444][ T8173] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.965487][ T8173] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.971290][ T8173] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.976817][ T8173] ? apparmor_task_alloc+0x2f0/0x2f0 [ 95.982089][ T8173] v9fs_mount+0x72/0x7f0 [ 95.986311][ T8173] ? v9fs_write_inode+0x50/0x50 [ 95.991139][ T8173] legacy_get_tree+0x103/0x1f0 [ 95.995886][ T8173] vfs_get_tree+0x8b/0x2d0 [ 96.000279][ T8173] ? capable+0x14/0x20 [ 96.004330][ T8173] do_mount+0x1272/0x1c30 [ 96.008640][ T8173] ? lock_downgrade+0x960/0x960 [ 96.013561][ T8173] ? copy_mount_string+0x20/0x20 [ 96.018488][ T8173] ? __kasan_check_write+0x14/0x20 [ 96.023580][ T8173] ? _copy_from_user+0xc5/0x110 [ 96.028415][ T8173] __x64_sys_mount+0x169/0x1c0 [ 96.033161][ T8173] do_syscall_64+0xd0/0x630 [ 96.037650][ T8173] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 96.043520][ T8173] RIP: 0033:0x458da9 [ 96.047395][ T8173] 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 [ 96.066978][ T8173] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.075366][ T8173] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 96.083318][ T8173] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.091269][ T8173] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.099219][ T8173] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 96.107190][ T8173] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 96.162116][ T8180] FAULT_INJECTION: forcing a failure. [ 96.162116][ T8180] name failslab, interval 1, probability 0, space 0, times 0 [ 96.174709][ T8180] CPU: 0 PID: 8180 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 96.183274][ T8180] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.193309][ T8180] Call Trace: [ 96.196578][ T8180] dump_stack+0x12d/0x187 [ 96.200895][ T8180] should_fail.cold.4+0x5/0x13 [ 96.205637][ T8180] ? stack_trace_save+0x82/0xb0 [ 96.210470][ T8180] ? fault_create_debugfs_attr+0x150/0x150 [ 96.216275][ T8180] __should_failslab+0xba/0xf0 [ 96.221030][ T8180] should_failslab+0x9/0x14 [ 96.225524][ T8180] kmem_cache_alloc+0x47/0x760 [ 96.230278][ T8180] ? __kasan_check_read+0x11/0x20 [ 96.235296][ T8180] ? mark_lock+0xbf/0x630 [ 96.239616][ T8180] ? legacy_get_tree+0x103/0x1f0 [ 96.244544][ T8180] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 96.250954][ T8180] idr_get_free+0x35d/0x880 [ 96.255451][ T8180] ? mark_held_locks+0x130/0x130 [ 96.260386][ T8180] idr_alloc_u32+0x13a/0x330 [ 96.262988][ T8185] FAULT_INJECTION: forcing a failure. [ 96.262988][ T8185] name failslab, interval 1, probability 0, space 0, times 0 [ 96.264961][ T8180] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 96.283020][ T8180] ? lock_acquire+0x209/0x9e0 [ 96.287671][ T8180] ? __kasan_check_write+0x14/0x20 [ 96.292751][ T8180] ? do_raw_spin_lock+0x132/0x2e0 [ 96.297745][ T8180] idr_alloc+0x7d/0xc0 [ 96.301784][ T8180] ? idr_alloc_u32+0x330/0x330 [ 96.306522][ T8180] p9_client_prepare_req.part.5+0x571/0x670 [ 96.312387][ T8180] p9_client_rpc+0x174/0xe50 [ 96.316950][ T8180] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.322990][ T8180] ? p9_pollwait+0x182/0x210 [ 96.327552][ T8180] ? pipe_poll+0xc8/0x6b0 [ 96.331852][ T8180] ? ksys_dup3+0x2e0/0x2e0 [ 96.336237][ T8180] ? p9_fd_poll+0x19b/0x2a0 [ 96.340710][ T8180] ? p9_conn_create+0x3a5/0x4f0 [ 96.345530][ T8180] ? p9_conn_create+0x4f0/0x4f0 [ 96.350358][ T8180] p9_client_create+0x7fb/0x10f0 [ 96.355281][ T8180] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.361316][ T8180] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.366837][ T8180] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.372869][ T8180] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.378649][ T8180] ? lockdep_init_map_waits+0x270/0x870 [ 96.384184][ T8180] v9fs_session_init+0x1ed/0x14c0 [ 96.389179][ T8180] ? v9fs_session_init+0x1ed/0x14c0 [ 96.394355][ T8180] ? find_held_lock+0x36/0x1d0 [ 96.399092][ T8180] ? v9fs_show_options+0x6c0/0x6c0 [ 96.404169][ T8180] ? __kasan_check_read+0x11/0x20 [ 96.409176][ T8180] ? v9fs_mount+0x55/0x7f0 [ 96.413567][ T8180] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.419081][ T8180] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.425115][ T8180] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.430907][ T8180] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.436427][ T8180] ? apparmor_task_alloc+0x2f0/0x2f0 [ 96.441693][ T8180] v9fs_mount+0x72/0x7f0 [ 96.445912][ T8180] ? v9fs_write_inode+0x50/0x50 [ 96.450739][ T8180] legacy_get_tree+0x103/0x1f0 [ 96.455479][ T8180] vfs_get_tree+0x8b/0x2d0 [ 96.459868][ T8180] ? capable+0x14/0x20 [ 96.463909][ T8180] do_mount+0x1272/0x1c30 [ 96.468214][ T8180] ? lock_downgrade+0x960/0x960 [ 96.473036][ T8180] ? copy_mount_string+0x20/0x20 [ 96.477953][ T8180] ? __kasan_check_write+0x14/0x20 [ 96.483031][ T8180] ? _copy_from_user+0xc5/0x110 [ 96.487856][ T8180] __x64_sys_mount+0x169/0x1c0 [ 96.492591][ T8180] do_syscall_64+0xd0/0x630 [ 96.497069][ T8180] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 96.502942][ T8180] RIP: 0033:0x458da9 [ 96.506808][ T8180] 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 [ 96.526382][ T8180] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.534762][ T8180] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 96.542726][ T8180] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.550680][ T8180] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.558634][ T8180] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 96.566584][ T8180] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 96.574549][ T8185] CPU: 1 PID: 8185 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 96.583125][ T8185] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.593173][ T8185] Call Trace: [ 96.596453][ T8185] dump_stack+0x12d/0x187 [ 96.600779][ T8185] should_fail.cold.4+0x5/0x13 [ 96.605529][ T8185] ? fault_create_debugfs_attr+0x150/0x150 [ 96.611311][ T8185] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 96.617867][ T8185] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.623389][ T8185] __should_failslab+0xba/0xf0 [ 96.628120][ T8185] should_failslab+0x9/0x14 [ 96.633635][ T8185] kmem_cache_alloc+0x47/0x760 [ 96.638378][ T8185] ? __kasan_check_read+0x11/0x20 [ 96.643386][ T8185] ? mark_lock+0xbf/0x630 [ 96.647681][ T8185] ? legacy_get_tree+0x103/0x1f0 [ 96.652603][ T8185] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 96.658999][ T8185] idr_get_free+0x35d/0x880 [ 96.663474][ T8185] idr_alloc_u32+0x13a/0x330 [ 96.668031][ T8185] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 96.673542][ T8185] ? lock_acquire+0x209/0x9e0 [ 96.678197][ T8185] ? __kasan_check_write+0x14/0x20 [ 96.683276][ T8185] ? do_raw_spin_lock+0x132/0x2e0 [ 96.688280][ T8185] idr_alloc+0x7d/0xc0 [ 96.692323][ T8185] ? idr_alloc_u32+0x330/0x330 [ 96.697062][ T8185] p9_client_prepare_req.part.5+0x571/0x670 [ 96.702934][ T8185] p9_client_rpc+0x174/0xe50 [ 96.707498][ T8185] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.713533][ T8185] ? p9_pollwait+0x182/0x210 [ 96.718092][ T8185] ? pipe_poll+0xc8/0x6b0 [ 96.722386][ T8185] ? ksys_dup3+0x2e0/0x2e0 [ 96.726768][ T8185] ? p9_fd_poll+0x19b/0x2a0 [ 96.731235][ T8185] ? p9_conn_create+0x3a5/0x4f0 [ 96.736052][ T8185] ? p9_conn_create+0x4f0/0x4f0 [ 96.740870][ T8185] p9_client_create+0x7fb/0x10f0 [ 96.745777][ T8185] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.751806][ T8185] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.757315][ T8185] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.763345][ T8185] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.769125][ T8185] ? lockdep_init_map_waits+0x270/0x870 [ 96.774642][ T8185] v9fs_session_init+0x1ed/0x14c0 [ 96.779628][ T8185] ? v9fs_session_init+0x1ed/0x14c0 [ 96.784792][ T8185] ? find_held_lock+0x36/0x1d0 [ 96.789522][ T8185] ? v9fs_show_options+0x6c0/0x6c0 [ 96.794596][ T8185] ? __kasan_check_read+0x11/0x20 [ 96.799586][ T8185] ? v9fs_mount+0x55/0x7f0 [ 96.803967][ T8185] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.809481][ T8185] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.815508][ T8185] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.821280][ T8185] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.826793][ T8185] ? apparmor_task_alloc+0x2f0/0x2f0 [ 96.832045][ T8185] v9fs_mount+0x72/0x7f0 [ 96.836254][ T8185] ? v9fs_write_inode+0x50/0x50 [ 96.841070][ T8185] legacy_get_tree+0x103/0x1f0 [ 96.845801][ T8185] vfs_get_tree+0x8b/0x2d0 [ 96.850182][ T8185] ? capable+0x14/0x20 [ 96.854218][ T8185] do_mount+0x1272/0x1c30 [ 96.858512][ T8185] ? lock_downgrade+0x960/0x960 [ 96.863340][ T8185] ? copy_mount_string+0x20/0x20 [ 96.868256][ T8185] ? __kasan_check_write+0x14/0x20 [ 96.873344][ T8185] ? _copy_from_user+0xc5/0x110 [ 96.878162][ T8185] __x64_sys_mount+0x169/0x1c0 [ 96.882894][ T8185] do_syscall_64+0xd0/0x630 [ 96.887366][ T8185] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 96.893222][ T8185] RIP: 0033:0x458da9 [ 96.897085][ T8185] 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 [ 96.916655][ T8185] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.925031][ T8185] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 96.932976][ T8185] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.940917][ T8185] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.948856][ T8185] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 96.956797][ T8185] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.017230][ T8195] FAULT_INJECTION: forcing a failure. [ 97.017230][ T8195] name failslab, interval 1, probability 0, space 0, times 0 [ 97.021341][ T8197] FAULT_INJECTION: forcing a failure. [ 97.021341][ T8197] name failslab, interval 1, probability 0, space 0, times 0 [ 97.029813][ T8195] CPU: 1 PID: 8195 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 97.050910][ T8195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.060934][ T8195] Call Trace: [ 97.064200][ T8195] dump_stack+0x12d/0x187 [ 97.068504][ T8195] should_fail.cold.4+0x5/0x13 [ 97.073239][ T8195] ? fault_create_debugfs_attr+0x150/0x150 [ 97.079014][ T8195] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 97.085583][ T8195] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.091101][ T8195] __should_failslab+0xba/0xf0 [ 97.095837][ T8195] should_failslab+0x9/0x14 [ 97.100311][ T8195] kmem_cache_alloc+0x47/0x760 [ 97.105049][ T8195] ? __kasan_check_read+0x11/0x20 [ 97.110043][ T8195] ? mark_lock+0xbf/0x630 [ 97.114340][ T8195] ? legacy_get_tree+0x103/0x1f0 [ 97.119250][ T8195] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 97.125636][ T8195] idr_get_free+0x35d/0x880 [ 97.130130][ T8195] idr_alloc_u32+0x13a/0x330 [ 97.134696][ T8195] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 97.140209][ T8195] ? lock_acquire+0x209/0x9e0 [ 97.144858][ T8195] ? __kasan_check_write+0x14/0x20 [ 97.149951][ T8195] ? do_raw_spin_lock+0x132/0x2e0 [ 97.154949][ T8195] idr_alloc+0x7d/0xc0 [ 97.158997][ T8195] ? idr_alloc_u32+0x330/0x330 [ 97.163737][ T8195] p9_client_prepare_req.part.5+0x571/0x670 [ 97.169603][ T8195] p9_client_rpc+0x174/0xe50 [ 97.174167][ T8195] ? p9_client_prepare_req.part.5+0x670/0x670 [ 97.180215][ T8195] ? p9_pollwait+0x182/0x210 [ 97.184776][ T8195] ? pipe_poll+0xc8/0x6b0 [ 97.189084][ T8195] ? ksys_dup3+0x2e0/0x2e0 [ 97.193480][ T8195] ? p9_fd_poll+0x19b/0x2a0 [ 97.197955][ T8195] ? p9_conn_create+0x3a5/0x4f0 [ 97.202776][ T8195] ? p9_conn_create+0x4f0/0x4f0 [ 97.207601][ T8195] p9_client_create+0x7fb/0x10f0 [ 97.212512][ T8195] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 97.218545][ T8195] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.224058][ T8195] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.230091][ T8195] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.235870][ T8195] ? lockdep_init_map_waits+0x270/0x870 [ 97.241391][ T8195] v9fs_session_init+0x1ed/0x14c0 [ 97.246392][ T8195] ? v9fs_session_init+0x1ed/0x14c0 [ 97.251570][ T8195] ? find_held_lock+0x36/0x1d0 [ 97.256308][ T8195] ? v9fs_show_options+0x6c0/0x6c0 [ 97.261388][ T8195] ? __kasan_check_read+0x11/0x20 [ 97.266392][ T8195] ? v9fs_mount+0x55/0x7f0 [ 97.270778][ T8195] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.276290][ T8195] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.282324][ T8195] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.288120][ T8195] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.293635][ T8195] ? apparmor_task_alloc+0x2f0/0x2f0 [ 97.298892][ T8195] v9fs_mount+0x72/0x7f0 [ 97.303107][ T8195] ? v9fs_write_inode+0x50/0x50 [ 97.307931][ T8195] legacy_get_tree+0x103/0x1f0 [ 97.312665][ T8195] vfs_get_tree+0x8b/0x2d0 [ 97.317049][ T8195] ? capable+0x14/0x20 [ 97.321100][ T8195] do_mount+0x1272/0x1c30 [ 97.325398][ T8195] ? lock_downgrade+0x960/0x960 [ 97.330222][ T8195] ? copy_mount_string+0x20/0x20 [ 97.335133][ T8195] ? __kasan_check_write+0x14/0x20 [ 97.340222][ T8195] ? _copy_from_user+0xc5/0x110 [ 97.345051][ T8195] __x64_sys_mount+0x169/0x1c0 [ 97.349789][ T8195] do_syscall_64+0xd0/0x630 [ 97.354265][ T8195] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 97.360127][ T8195] RIP: 0033:0x458da9 [ 97.363993][ T8195] 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 [ 97.383565][ T8195] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.391955][ T8195] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 97.399901][ T8195] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.407857][ T8195] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.415819][ T8195] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 97.423765][ T8195] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.431727][ T8197] CPU: 0 PID: 8197 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 97.440297][ T8197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.446508][ T8198] FAULT_INJECTION: forcing a failure. [ 97.446508][ T8198] name failslab, interval 1, probability 0, space 0, times 0 [ 97.450330][ T8197] Call Trace: [ 97.450345][ T8197] dump_stack+0x12d/0x187 [ 97.470437][ T8197] should_fail.cold.4+0x5/0x13 [ 97.475172][ T8197] ? stack_trace_save+0x82/0xb0 [ 97.480009][ T8197] ? fault_create_debugfs_attr+0x150/0x150 [ 97.485792][ T8197] __should_failslab+0xba/0xf0 [ 97.490538][ T8197] should_failslab+0x9/0x14 [ 97.495013][ T8197] kmem_cache_alloc+0x47/0x760 [ 97.499745][ T8197] ? __kasan_check_read+0x11/0x20 [ 97.504738][ T8197] ? mark_lock+0xbf/0x630 [ 97.509041][ T8197] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 97.515425][ T8197] idr_get_free+0x35d/0x880 [ 97.519926][ T8197] ? mark_held_locks+0x130/0x130 [ 97.524921][ T8197] idr_alloc_u32+0x13a/0x330 [ 97.529482][ T8197] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 97.534998][ T8197] ? lock_acquire+0x209/0x9e0 [ 97.539662][ T8197] ? __kasan_check_write+0x14/0x20 [ 97.544742][ T8197] ? do_raw_spin_lock+0x132/0x2e0 [ 97.549735][ T8197] idr_alloc+0x7d/0xc0 [ 97.553787][ T8197] ? idr_alloc_u32+0x330/0x330 [ 97.558528][ T8197] p9_client_prepare_req.part.5+0x571/0x670 [ 97.564392][ T8197] p9_client_rpc+0x174/0xe50 [ 97.568955][ T8197] ? p9_client_prepare_req.part.5+0x670/0x670 [ 97.575012][ T8197] ? p9_pollwait+0x182/0x210 [ 97.579581][ T8197] ? pipe_poll+0xc8/0x6b0 [ 97.583883][ T8197] ? ksys_dup3+0x2e0/0x2e0 [ 97.588281][ T8197] ? p9_fd_poll+0x19b/0x2a0 [ 97.592761][ T8197] ? p9_conn_create+0x3a5/0x4f0 [ 97.597588][ T8197] ? p9_conn_create+0x4f0/0x4f0 [ 97.602416][ T8197] p9_client_create+0x7fb/0x10f0 [ 97.607338][ T8197] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 97.613378][ T8197] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.618894][ T8197] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.624927][ T8197] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.630708][ T8197] ? lockdep_init_map_waits+0x270/0x870 [ 97.636230][ T8197] v9fs_session_init+0x1ed/0x14c0 [ 97.641224][ T8197] ? v9fs_session_init+0x1ed/0x14c0 [ 97.646392][ T8197] ? find_held_lock+0x36/0x1d0 [ 97.651130][ T8197] ? v9fs_show_options+0x6c0/0x6c0 [ 97.656209][ T8197] ? __kasan_check_read+0x11/0x20 [ 97.661215][ T8197] ? v9fs_mount+0x55/0x7f0 [ 97.665600][ T8197] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.671114][ T8197] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.677148][ T8197] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.682926][ T8197] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.688449][ T8197] ? apparmor_task_alloc+0x2f0/0x2f0 [ 97.693704][ T8197] v9fs_mount+0x72/0x7f0 [ 97.697919][ T8197] ? v9fs_write_inode+0x50/0x50 [ 97.702740][ T8197] legacy_get_tree+0x103/0x1f0 [ 97.707474][ T8197] vfs_get_tree+0x8b/0x2d0 [ 97.711868][ T8197] ? capable+0x14/0x20 [ 97.715907][ T8197] do_mount+0x1272/0x1c30 [ 97.720203][ T8197] ? lock_downgrade+0x960/0x960 [ 97.725026][ T8197] ? copy_mount_string+0x20/0x20 [ 97.729943][ T8197] ? __kasan_check_write+0x14/0x20 [ 97.735024][ T8197] ? _copy_from_user+0xc5/0x110 [ 97.739864][ T8197] __x64_sys_mount+0x169/0x1c0 [ 97.744601][ T8197] do_syscall_64+0xd0/0x630 [ 97.749096][ T8197] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 97.754956][ T8197] RIP: 0033:0x458da9 [ 97.758823][ T8197] 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 [ 97.778407][ T8197] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.786801][ T8197] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 97.794754][ T8197] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.802706][ T8197] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.810647][ T8197] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 97.818589][ T8197] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.826550][ T8198] CPU: 1 PID: 8198 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 97.835119][ T8198] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.839685][ T8202] FAULT_INJECTION: forcing a failure. [ 97.839685][ T8202] name failslab, interval 1, probability 0, space 0, times 0 [ 97.845159][ T8198] Call Trace: [ 97.860965][ T8198] dump_stack+0x12d/0x187 [ 97.865286][ T8198] should_fail.cold.4+0x5/0x13 [ 97.870019][ T8198] ? stack_trace_save+0x82/0xb0 [ 97.874841][ T8198] ? fault_create_debugfs_attr+0x150/0x150 [ 97.880626][ T8198] __should_failslab+0xba/0xf0 [ 97.885359][ T8198] should_failslab+0x9/0x14 [ 97.889861][ T8198] kmem_cache_alloc+0x47/0x760 [ 97.894595][ T8198] ? __kasan_check_read+0x11/0x20 [ 97.899596][ T8198] ? mark_lock+0xbf/0x630 [ 97.903896][ T8198] ? legacy_get_tree+0x103/0x1f0 [ 97.908804][ T8198] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 97.915189][ T8198] idr_get_free+0x35d/0x880 [ 97.919666][ T8198] ? mark_held_locks+0x130/0x130 [ 97.924575][ T8198] idr_alloc_u32+0x13a/0x330 [ 97.929136][ T8198] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 97.934649][ T8198] ? lock_acquire+0x209/0x9e0 [ 97.939304][ T8198] ? __kasan_check_write+0x14/0x20 [ 97.944383][ T8198] ? do_raw_spin_lock+0x132/0x2e0 [ 97.949376][ T8198] idr_alloc+0x7d/0xc0 [ 97.953413][ T8198] ? idr_alloc_u32+0x330/0x330 [ 97.958151][ T8198] p9_client_prepare_req.part.5+0x571/0x670 [ 97.964015][ T8198] p9_client_rpc+0x174/0xe50 [ 97.968576][ T8198] ? p9_client_prepare_req.part.5+0x670/0x670 [ 97.974615][ T8198] ? p9_pollwait+0x182/0x210 [ 97.979175][ T8198] ? pipe_poll+0xc8/0x6b0 [ 97.983484][ T8198] ? ksys_dup3+0x2e0/0x2e0 [ 97.987871][ T8198] ? p9_fd_poll+0x19b/0x2a0 [ 97.992346][ T8198] ? p9_conn_create+0x3a5/0x4f0 [ 97.997169][ T8198] ? p9_conn_create+0x4f0/0x4f0 [ 98.001997][ T8198] p9_client_create+0x7fb/0x10f0 [ 98.006909][ T8198] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.012946][ T8198] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.018461][ T8198] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.024515][ T8198] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.030296][ T8198] ? lockdep_init_map_waits+0x270/0x870 [ 98.035823][ T8198] v9fs_session_init+0x1ed/0x14c0 [ 98.040820][ T8198] ? v9fs_session_init+0x1ed/0x14c0 [ 98.046005][ T8198] ? find_held_lock+0x36/0x1d0 [ 98.050752][ T8198] ? v9fs_show_options+0x6c0/0x6c0 [ 98.055839][ T8198] ? __kasan_check_read+0x11/0x20 [ 98.060840][ T8198] ? v9fs_mount+0x55/0x7f0 [ 98.065233][ T8198] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.070746][ T8198] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.076783][ T8198] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.082568][ T8198] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.088082][ T8198] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.093338][ T8198] v9fs_mount+0x72/0x7f0 [ 98.097551][ T8198] ? v9fs_write_inode+0x50/0x50 [ 98.102370][ T8198] legacy_get_tree+0x103/0x1f0 [ 98.107110][ T8198] vfs_get_tree+0x8b/0x2d0 [ 98.111499][ T8198] ? capable+0x14/0x20 [ 98.115538][ T8198] do_mount+0x1272/0x1c30 [ 98.119838][ T8198] ? lock_downgrade+0x960/0x960 [ 98.124658][ T8198] ? copy_mount_string+0x20/0x20 [ 98.129573][ T8198] ? __kasan_check_write+0x14/0x20 [ 98.134651][ T8198] ? _copy_from_user+0xc5/0x110 [ 98.139473][ T8198] __x64_sys_mount+0x169/0x1c0 [ 98.144210][ T8198] do_syscall_64+0xd0/0x630 [ 98.148704][ T8198] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 98.154565][ T8198] RIP: 0033:0x458da9 [ 98.158430][ T8198] 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 [ 98.178001][ T8198] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 98.186379][ T8198] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 98.194323][ T8198] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 98.202266][ T8198] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 98.210210][ T8198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 2020/04/21 09:24:54 executed programs: 123 [ 98.218150][ T8198] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 98.226118][ T8202] CPU: 0 PID: 8202 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 98.234506][ T27] audit: type=1804 audit(1587461094.480:16): pid=8199 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir318548454/syzkaller.5Wcwh3/20/file0" dev="sda1" ino=15928 res=1 [ 98.234682][ T8202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.234686][ T8202] Call Trace: [ 98.234698][ T8202] dump_stack+0x12d/0x187 [ 98.234712][ T8202] should_fail.cold.4+0x5/0x13 [ 98.279873][ T8202] ? stack_trace_save+0x82/0xb0 [ 98.284717][ T8202] ? fault_create_debugfs_attr+0x150/0x150 [ 98.290520][ T8202] __should_failslab+0xba/0xf0 [ 98.295275][ T8202] should_failslab+0x9/0x14 [ 98.299770][ T8202] kmem_cache_alloc+0x47/0x760 [ 98.304525][ T8202] ? __kasan_check_read+0x11/0x20 [ 98.309534][ T8202] ? mark_lock+0xbf/0x630 [ 98.313850][ T8202] ? legacy_get_tree+0x103/0x1f0 [ 98.318778][ T8202] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 98.325188][ T8202] idr_get_free+0x35d/0x880 [ 98.329687][ T8202] ? mark_held_locks+0x130/0x130 [ 98.334616][ T8202] idr_alloc_u32+0x13a/0x330 [ 98.339203][ T8202] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 98.344733][ T8202] ? lock_acquire+0x209/0x9e0 [ 98.349410][ T8202] ? __kasan_check_write+0x14/0x20 [ 98.354508][ T8202] ? do_raw_spin_lock+0x132/0x2e0 [ 98.359525][ T8202] idr_alloc+0x7d/0xc0 [ 98.363584][ T8202] ? idr_alloc_u32+0x330/0x330 [ 98.368339][ T8202] p9_client_prepare_req.part.5+0x571/0x670 [ 98.374234][ T8202] p9_client_rpc+0x174/0xe50 [ 98.378821][ T8202] ? p9_client_prepare_req.part.5+0x670/0x670 [ 98.384885][ T8202] ? p9_pollwait+0x182/0x210 [ 98.389591][ T8202] ? pipe_poll+0xc8/0x6b0 [ 98.393904][ T8202] ? ksys_dup3+0x2e0/0x2e0 [ 98.398310][ T8202] ? p9_fd_poll+0x19b/0x2a0 [ 98.402801][ T8202] ? p9_conn_create+0x3a5/0x4f0 [ 98.407643][ T8202] ? p9_conn_create+0x4f0/0x4f0 [ 98.412488][ T8202] p9_client_create+0x7fb/0x10f0 [ 98.417419][ T8202] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.423467][ T8202] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.428992][ T8202] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.435038][ T8202] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.440834][ T8202] ? lockdep_init_map_waits+0x270/0x870 [ 98.446366][ T8202] v9fs_session_init+0x1ed/0x14c0 [ 98.451373][ T8202] ? v9fs_session_init+0x1ed/0x14c0 [ 98.456558][ T8202] ? find_held_lock+0x36/0x1d0 [ 98.461307][ T8202] ? v9fs_show_options+0x6c0/0x6c0 [ 98.466396][ T8202] ? __kasan_check_read+0x11/0x20 [ 98.471407][ T8202] ? v9fs_mount+0x55/0x7f0 [ 98.475809][ T8202] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.481335][ T8202] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.487381][ T8202] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.493174][ T8202] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.498699][ T8202] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.503975][ T8202] v9fs_mount+0x72/0x7f0 [ 98.508199][ T8202] ? v9fs_write_inode+0x50/0x50 [ 98.513032][ T8202] legacy_get_tree+0x103/0x1f0 [ 98.517781][ T8202] vfs_get_tree+0x8b/0x2d0 [ 98.522178][ T8202] ? capable+0x14/0x20 [ 98.526238][ T8202] do_mount+0x1272/0x1c30 [ 98.530571][ T8202] ? lock_downgrade+0x960/0x960 [ 98.535407][ T8202] ? copy_mount_string+0x20/0x20 [ 98.540335][ T8202] ? __kasan_check_write+0x14/0x20 [ 98.545424][ T8202] ? _copy_from_user+0xc5/0x110 [ 98.550260][ T8202] __x64_sys_mount+0x169/0x1c0 [ 98.555013][ T8202] do_syscall_64+0xd0/0x630 [ 98.559512][ T8202] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 98.565395][ T8202] RIP: 0033:0x458da9 [ 98.569273][ T8202] 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 [ 98.589033][ T8202] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 98.597425][ T8202] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 98.605375][ T8202] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 98.613330][ T8202] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 98.621282][ T8202] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 98.629254][ T8202] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 98.666899][ T8216] FAULT_INJECTION: forcing a failure. [ 98.666899][ T8216] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 98.680101][ T8216] CPU: 0 PID: 8216 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 98.688663][ T8216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.698696][ T8216] Call Trace: [ 98.701969][ T8216] dump_stack+0x12d/0x187 [ 98.706284][ T8216] should_fail.cold.4+0x5/0x13 [ 98.711027][ T8216] ? do_mount+0x1272/0x1c30 [ 98.715514][ T8216] ? fault_create_debugfs_attr+0x150/0x150 [ 98.718155][ T27] audit: type=1804 audit(1587461095.310:17): pid=8218 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir318548454/syzkaller.5Wcwh3/21/file0" dev="sda1" ino=15934 res=1 [ 98.721305][ T8216] ? find_held_lock+0x36/0x1d0 [ 98.721317][ T8216] should_fail_alloc_page+0x50/0x60 [ 98.721324][ T8216] __alloc_pages_nodemask+0x17f/0x880 [ 98.721332][ T8216] ? cache_grow_end+0xab/0x190 [ 98.721341][ T8216] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 98.721347][ T8216] ? do_raw_spin_lock+0x132/0x2e0 [ 98.721362][ T8216] cache_grow_begin+0x92/0xc70 [ 98.721368][ T8216] ? __kmalloc+0xc5/0x7a0 [ 98.721375][ T8216] ? trace_hardirqs_off+0x41/0x1a0 [ 98.721385][ T8216] __kmalloc+0x6d3/0x7a0 [ 98.745888][ T8218] FAULT_INJECTION: forcing a failure. [ 98.745888][ T8218] name failslab, interval 1, probability 0, space 0, times 0 [ 98.748921][ T8216] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 98.812309][ T8216] p9_fcall_init.isra.2+0x55/0x1c0 [ 98.817390][ T8216] p9_client_prepare_req.part.5+0x116/0x670 [ 98.823254][ T8216] p9_client_rpc+0x174/0xe50 [ 98.827822][ T8216] ? p9_client_prepare_req.part.5+0x670/0x670 [ 98.833860][ T8216] ? p9_pollwait+0x182/0x210 [ 98.838423][ T8216] ? pipe_poll+0xc8/0x6b0 [ 98.842732][ T8216] ? ksys_dup3+0x2e0/0x2e0 [ 98.847125][ T8216] ? p9_fd_poll+0x19b/0x2a0 [ 98.851600][ T8216] ? p9_conn_create+0x3a5/0x4f0 [ 98.856423][ T8216] ? p9_conn_create+0x4f0/0x4f0 [ 98.861248][ T8216] p9_client_create+0x7fb/0x10f0 [ 98.866170][ T8216] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.872641][ T8216] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.878169][ T8216] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.884218][ T8216] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.890008][ T8216] ? lockdep_init_map_waits+0x270/0x870 [ 98.896397][ T8216] v9fs_session_init+0x1ed/0x14c0 [ 98.901563][ T8216] ? v9fs_session_init+0x1ed/0x14c0 [ 98.906731][ T8216] ? find_held_lock+0x36/0x1d0 [ 98.911470][ T8216] ? v9fs_show_options+0x6c0/0x6c0 [ 98.916548][ T8216] ? __kasan_check_read+0x11/0x20 [ 98.921541][ T8216] ? v9fs_mount+0x55/0x7f0 [ 98.925925][ T8216] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.931438][ T8216] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.937471][ T8216] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.943249][ T8216] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.948766][ T8216] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.954023][ T8216] v9fs_mount+0x72/0x7f0 [ 98.958235][ T8216] ? v9fs_write_inode+0x50/0x50 [ 98.963055][ T8216] legacy_get_tree+0x103/0x1f0 [ 98.967792][ T8216] vfs_get_tree+0x8b/0x2d0 [ 98.972179][ T8216] ? capable+0x14/0x20 [ 98.976219][ T8216] do_mount+0x1272/0x1c30 [ 98.981134][ T8216] ? lock_downgrade+0x960/0x960 [ 98.985957][ T8216] ? copy_mount_string+0x20/0x20 [ 98.993212][ T8216] ? __kasan_check_write+0x14/0x20 [ 98.998302][ T8216] ? _copy_from_user+0xc5/0x110 [ 99.003125][ T8216] __x64_sys_mount+0x169/0x1c0 [ 99.007860][ T8216] do_syscall_64+0xd0/0x630 [ 99.012351][ T8216] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 99.018227][ T8216] RIP: 0033:0x458da9 [ 99.022101][ T8216] 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 [ 99.041682][ T8216] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.050066][ T8216] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 99.058013][ T8216] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.065970][ T8216] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 99.073917][ T8216] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 99.081861][ T8216] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.089825][ T8218] CPU: 1 PID: 8218 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 99.098396][ T8218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.108434][ T8218] Call Trace: [ 99.111714][ T8218] dump_stack+0x12d/0x187 [ 99.116048][ T8218] should_fail.cold.4+0x5/0x13 [ 99.121412][ T8218] ? fault_create_debugfs_attr+0x150/0x150 [ 99.127225][ T8218] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 99.133810][ T8218] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.139347][ T8218] __should_failslab+0xba/0xf0 [ 99.144104][ T8218] should_failslab+0x9/0x14 [ 99.148602][ T8218] kmem_cache_alloc+0x47/0x760 [ 99.153352][ T8218] ? __kasan_check_read+0x11/0x20 [ 99.158364][ T8218] ? mark_lock+0xbf/0x630 [ 99.162681][ T8218] ? legacy_get_tree+0x103/0x1f0 [ 99.167611][ T8218] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 99.174015][ T8218] idr_get_free+0x35d/0x880 [ 99.178516][ T8218] idr_alloc_u32+0x13a/0x330 [ 99.183098][ T8218] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 99.188631][ T8218] ? lock_acquire+0x209/0x9e0 [ 99.193318][ T8218] ? __kasan_check_write+0x14/0x20 [ 99.198413][ T8218] ? do_raw_spin_lock+0x132/0x2e0 [ 99.203431][ T8218] idr_alloc+0x7d/0xc0 [ 99.207485][ T8218] ? idr_alloc_u32+0x330/0x330 [ 99.212250][ T8218] p9_client_prepare_req.part.5+0x571/0x670 [ 99.218137][ T8218] p9_client_rpc+0x174/0xe50 [ 99.222718][ T8218] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 99.228510][ T8218] ? __debug_object_init+0x4fc/0x10f0 [ 99.233958][ T8218] ? __kasan_check_read+0x11/0x20 [ 99.238967][ T8218] ? p9_client_prepare_req.part.5+0x670/0x670 [ 99.245026][ T8218] ? free_object+0x70/0x70 [ 99.249429][ T8218] ? ksys_dup3+0x2e0/0x2e0 [ 99.253835][ T8218] ? lockdep_init_map_waits+0x270/0x870 [ 99.259360][ T8218] ? __kasan_check_write+0x14/0x20 [ 99.264439][ T8218] ? p9_conn_create+0x3ce/0x4f0 [ 99.269261][ T8218] ? p9_conn_create+0x4f0/0x4f0 [ 99.274096][ T8218] p9_client_create+0x7fb/0x10f0 [ 99.279075][ T8218] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 99.286588][ T8218] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.292118][ T8218] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.298178][ T8218] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.303960][ T8218] ? lockdep_init_map_waits+0x270/0x870 [ 99.309478][ T8218] v9fs_session_init+0x1ed/0x14c0 [ 99.314476][ T8218] ? v9fs_session_init+0x1ed/0x14c0 [ 99.319653][ T8218] ? find_held_lock+0x36/0x1d0 [ 99.324389][ T8218] ? v9fs_show_options+0x6c0/0x6c0 [ 99.329479][ T8218] ? __kasan_check_read+0x11/0x20 [ 99.334483][ T8218] ? v9fs_mount+0x55/0x7f0 [ 99.338875][ T8218] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.344389][ T8218] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.350463][ T8218] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.356253][ T8218] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.361774][ T8218] ? apparmor_task_alloc+0x2f0/0x2f0 [ 99.367059][ T8218] v9fs_mount+0x72/0x7f0 [ 99.371271][ T8218] ? v9fs_write_inode+0x50/0x50 [ 99.376095][ T8218] legacy_get_tree+0x103/0x1f0 [ 99.380863][ T8218] vfs_get_tree+0x8b/0x2d0 [ 99.385249][ T8218] ? capable+0x14/0x20 [ 99.389287][ T8218] do_mount+0x1272/0x1c30 [ 99.393589][ T8218] ? lock_downgrade+0x960/0x960 [ 99.398416][ T8218] ? copy_mount_string+0x20/0x20 [ 99.403342][ T8218] ? __kasan_check_write+0x14/0x20 [ 99.408467][ T8218] ? _copy_from_user+0xc5/0x110 [ 99.413302][ T8218] __x64_sys_mount+0x169/0x1c0 [ 99.418046][ T8218] do_syscall_64+0xd0/0x630 [ 99.422531][ T8218] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 99.428400][ T8218] RIP: 0033:0x458da9 [ 99.432268][ T8218] 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 [ 99.451897][ T8218] RSP: 002b:00007fd776c34c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.460281][ T8218] RAX: ffffffffffffffda RBX: 00007fd776c34c90 RCX: 0000000000458da9 [ 99.468274][ T8218] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.476223][ T8218] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 99.484332][ T8218] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c356d4 [ 99.492676][ T8218] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.548299][ T8227] FAULT_INJECTION: forcing a failure. [ 99.548299][ T8227] name failslab, interval 1, probability 0, space 0, times 0 [ 99.557009][ T8228] FAULT_INJECTION: forcing a failure. [ 99.557009][ T8228] name failslab, interval 1, probability 0, space 0, times 0 [ 99.560885][ T8227] CPU: 1 PID: 8227 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 99.581983][ T8227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.592391][ T8227] Call Trace: [ 99.595666][ T8227] dump_stack+0x12d/0x187 [ 99.599969][ T8227] should_fail.cold.4+0x5/0x13 [ 99.604722][ T8227] ? fault_create_debugfs_attr+0x150/0x150 [ 99.610499][ T8227] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 99.617057][ T8227] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.622579][ T8227] __should_failslab+0xba/0xf0 [ 99.630267][ T8227] should_failslab+0x9/0x14 [ 99.634740][ T8227] kmem_cache_alloc+0x47/0x760 [ 99.639473][ T8227] ? __kasan_check_read+0x11/0x20 [ 99.644468][ T8227] ? mark_lock+0xbf/0x630 [ 99.648779][ T8227] ? legacy_get_tree+0x103/0x1f0 [ 99.653692][ T8227] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 99.660087][ T8227] idr_get_free+0x35d/0x880 [ 99.664569][ T8227] idr_alloc_u32+0x13a/0x330 [ 99.669131][ T8227] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 99.674649][ T8227] ? lock_acquire+0x209/0x9e0 [ 99.680340][ T8227] ? __kasan_check_write+0x14/0x20 [ 99.685417][ T8227] ? do_raw_spin_lock+0x132/0x2e0 [ 99.690423][ T8227] idr_alloc+0x7d/0xc0 [ 99.694464][ T8227] ? idr_alloc_u32+0x330/0x330 [ 99.699201][ T8227] p9_client_prepare_req.part.5+0x571/0x670 [ 99.705067][ T8227] p9_client_rpc+0x174/0xe50 [ 99.709635][ T8227] ? p9_client_prepare_req.part.5+0x670/0x670 [ 99.715670][ T8227] ? p9_pollwait+0x182/0x210 [ 99.720234][ T8227] ? pipe_poll+0xc8/0x6b0 [ 99.724543][ T8227] ? ksys_dup3+0x2e0/0x2e0 [ 99.728929][ T8227] ? p9_fd_poll+0x19b/0x2a0 [ 99.733407][ T8227] ? p9_conn_create+0x3a5/0x4f0 [ 99.738243][ T8227] ? p9_conn_create+0x4f0/0x4f0 [ 99.743067][ T8227] p9_client_create+0x7fb/0x10f0 [ 99.747979][ T8227] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 99.754012][ T8227] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.759528][ T8227] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.765561][ T8227] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.771340][ T8227] ? lockdep_init_map_waits+0x270/0x870 [ 99.776861][ T8227] v9fs_session_init+0x1ed/0x14c0 [ 99.781855][ T8227] ? v9fs_session_init+0x1ed/0x14c0 [ 99.787024][ T8227] ? find_held_lock+0x36/0x1d0 [ 99.791762][ T8227] ? v9fs_show_options+0x6c0/0x6c0 [ 99.796841][ T8227] ? __kasan_check_read+0x11/0x20 [ 99.801836][ T8227] ? v9fs_mount+0x55/0x7f0 [ 99.806221][ T8227] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.811733][ T8227] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.817764][ T8227] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.823550][ T8227] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.829067][ T8227] ? apparmor_task_alloc+0x2f0/0x2f0 [ 99.834323][ T8227] v9fs_mount+0x72/0x7f0 [ 99.838539][ T8227] ? v9fs_write_inode+0x50/0x50 [ 99.843357][ T8227] legacy_get_tree+0x103/0x1f0 [ 99.848091][ T8227] vfs_get_tree+0x8b/0x2d0 [ 99.852474][ T8227] ? capable+0x14/0x20 [ 99.856526][ T8227] do_mount+0x1272/0x1c30 [ 99.860822][ T8227] ? lock_downgrade+0x960/0x960 [ 99.865643][ T8227] ? copy_mount_string+0x20/0x20 [ 99.870558][ T8227] ? __kasan_check_write+0x14/0x20 [ 99.875636][ T8227] ? _copy_from_user+0xc5/0x110 [ 99.880458][ T8227] __x64_sys_mount+0x169/0x1c0 [ 99.885204][ T8227] do_syscall_64+0xd0/0x630 [ 99.889898][ T8227] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 99.895765][ T8227] RIP: 0033:0x458da9 [ 99.899636][ T8227] 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 [ 99.919312][ T8227] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.927697][ T8227] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 99.935651][ T8227] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.943595][ T8227] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 99.951538][ T8227] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 99.959486][ T8227] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.967445][ T8228] CPU: 0 PID: 8228 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 99.976016][ T8228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.986143][ T8228] Call Trace: [ 99.989429][ T8228] dump_stack+0x12d/0x187 [ 99.993754][ T8228] should_fail.cold.4+0x5/0x13 [ 99.998549][ T8228] ? fault_create_debugfs_attr+0x150/0x150 [ 100.004342][ T8228] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.010916][ T8228] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.016454][ T8228] __should_failslab+0xba/0xf0 [ 100.021212][ T8228] should_failslab+0x9/0x14 [ 100.025706][ T8228] kmem_cache_alloc+0x47/0x760 [ 100.030458][ T8228] ? __kasan_check_read+0x11/0x20 [ 100.035473][ T8228] ? mark_lock+0xbf/0x630 [ 100.039878][ T8228] ? legacy_get_tree+0x103/0x1f0 [ 100.044806][ T8228] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.051211][ T8228] idr_get_free+0x35d/0x880 [ 100.055712][ T8228] idr_alloc_u32+0x13a/0x330 [ 100.060297][ T8228] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 100.065829][ T8228] ? lock_acquire+0x209/0x9e0 [ 100.070496][ T8228] ? __kasan_check_write+0x14/0x20 [ 100.075593][ T8228] ? do_raw_spin_lock+0x132/0x2e0 [ 100.080609][ T8228] idr_alloc+0x7d/0xc0 [ 100.084669][ T8228] ? idr_alloc_u32+0x330/0x330 [ 100.089427][ T8228] p9_client_prepare_req.part.5+0x571/0x670 [ 100.095312][ T8228] p9_client_rpc+0x174/0xe50 [ 100.099893][ T8228] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.104402][ T8230] FAULT_INJECTION: forcing a failure. [ 100.104402][ T8230] name failslab, interval 1, probability 0, space 0, times 0 [ 100.105943][ T8228] ? p9_pollwait+0x182/0x210 [ 100.123057][ T8228] ? pipe_poll+0xc8/0x6b0 [ 100.127367][ T8228] ? ksys_dup3+0x2e0/0x2e0 [ 100.131754][ T8228] ? p9_fd_poll+0x19b/0x2a0 [ 100.136228][ T8228] ? p9_conn_create+0x3a5/0x4f0 [ 100.141065][ T8228] ? p9_conn_create+0x4f0/0x4f0 [ 100.145903][ T8228] p9_client_create+0x7fb/0x10f0 [ 100.150815][ T8228] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.156850][ T8228] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.162363][ T8228] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.168396][ T8228] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.174179][ T8228] ? lockdep_init_map_waits+0x270/0x870 [ 100.179700][ T8228] v9fs_session_init+0x1ed/0x14c0 [ 100.184712][ T8228] ? v9fs_session_init+0x1ed/0x14c0 [ 100.189895][ T8228] ? find_held_lock+0x36/0x1d0 [ 100.194638][ T8228] ? v9fs_show_options+0x6c0/0x6c0 [ 100.199726][ T8228] ? __kasan_check_read+0x11/0x20 [ 100.204722][ T8228] ? v9fs_mount+0x55/0x7f0 [ 100.209107][ T8228] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.214621][ T8228] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.220658][ T8228] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.226437][ T8228] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.231953][ T8228] ? apparmor_task_alloc+0x2f0/0x2f0 [ 100.237209][ T8228] v9fs_mount+0x72/0x7f0 [ 100.241424][ T8228] ? v9fs_write_inode+0x50/0x50 [ 100.246245][ T8228] legacy_get_tree+0x103/0x1f0 [ 100.250981][ T8228] vfs_get_tree+0x8b/0x2d0 [ 100.255367][ T8228] ? capable+0x14/0x20 [ 100.259405][ T8228] do_mount+0x1272/0x1c30 [ 100.263712][ T8228] ? lock_downgrade+0x960/0x960 [ 100.268534][ T8228] ? copy_mount_string+0x20/0x20 [ 100.273463][ T8228] ? __kasan_check_write+0x14/0x20 [ 100.278550][ T8228] ? _copy_from_user+0xc5/0x110 [ 100.283373][ T8228] __x64_sys_mount+0x169/0x1c0 [ 100.288109][ T8228] do_syscall_64+0xd0/0x630 [ 100.292588][ T8228] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 100.298450][ T8228] RIP: 0033:0x458da9 [ 100.302317][ T8228] 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 [ 100.321896][ T8228] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.330274][ T8228] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 100.338223][ T8228] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 100.346165][ T8228] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 100.354109][ T8228] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 100.362055][ T8228] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 100.370016][ T8230] CPU: 1 PID: 8230 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 100.375129][ T8244] 9pnet: Insufficient options for proto=fd [ 100.378578][ T8230] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.378582][ T8230] Call Trace: [ 100.378593][ T8230] dump_stack+0x12d/0x187 [ 100.378608][ T8230] should_fail.cold.4+0x5/0x13 [ 100.378618][ T8230] ? fault_create_debugfs_attr+0x150/0x150 [ 100.378633][ T8230] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.387426][ T8231] FAULT_INJECTION: forcing a failure. [ 100.387426][ T8231] name failslab, interval 1, probability 0, space 0, times 0 [ 100.394445][ T8230] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.437124][ T8230] __should_failslab+0xba/0xf0 [ 100.441862][ T8230] should_failslab+0x9/0x14 [ 100.446335][ T8230] kmem_cache_alloc+0x47/0x760 [ 100.451074][ T8230] ? __kasan_check_read+0x11/0x20 [ 100.456079][ T8230] ? mark_lock+0xbf/0x630 [ 100.460376][ T8230] ? legacy_get_tree+0x103/0x1f0 [ 100.465290][ T8230] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.471676][ T8230] idr_get_free+0x35d/0x880 [ 100.476166][ T8230] idr_alloc_u32+0x13a/0x330 [ 100.480740][ T8230] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 100.486253][ T8230] ? lock_acquire+0x209/0x9e0 [ 100.490927][ T8230] ? __kasan_check_write+0x14/0x20 [ 100.496007][ T8230] ? do_raw_spin_lock+0x132/0x2e0 [ 100.501002][ T8230] idr_alloc+0x7d/0xc0 [ 100.505039][ T8230] ? idr_alloc_u32+0x330/0x330 [ 100.509776][ T8230] p9_client_prepare_req.part.5+0x571/0x670 [ 100.515646][ T8230] p9_client_rpc+0x174/0xe50 [ 100.520210][ T8230] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.526245][ T8230] ? p9_pollwait+0x182/0x210 [ 100.530812][ T8230] ? pipe_poll+0xc8/0x6b0 [ 100.535109][ T8230] ? ksys_dup3+0x2e0/0x2e0 [ 100.539495][ T8230] ? p9_fd_poll+0x19b/0x2a0 [ 100.543970][ T8230] ? p9_conn_create+0x3a5/0x4f0 [ 100.548792][ T8230] ? p9_conn_create+0x4f0/0x4f0 [ 100.553616][ T8230] p9_client_create+0x7fb/0x10f0 [ 100.558546][ T8230] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.564586][ T8230] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.570103][ T8230] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.576145][ T8230] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.581936][ T8230] ? lockdep_init_map_waits+0x270/0x870 [ 100.587482][ T8230] v9fs_session_init+0x1ed/0x14c0 [ 100.592480][ T8230] ? v9fs_session_init+0x1ed/0x14c0 [ 100.597652][ T8230] ? find_held_lock+0x36/0x1d0 [ 100.602391][ T8230] ? v9fs_show_options+0x6c0/0x6c0 [ 100.607471][ T8230] ? __kasan_check_read+0x11/0x20 [ 100.612466][ T8230] ? v9fs_mount+0x55/0x7f0 [ 100.616851][ T8230] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.622369][ T8230] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.628401][ T8230] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.634182][ T8230] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.639697][ T8230] ? apparmor_task_alloc+0x2f0/0x2f0 [ 100.644958][ T8230] v9fs_mount+0x72/0x7f0 [ 100.649174][ T8230] ? v9fs_write_inode+0x50/0x50 [ 100.653994][ T8230] legacy_get_tree+0x103/0x1f0 [ 100.658730][ T8230] vfs_get_tree+0x8b/0x2d0 [ 100.663114][ T8230] ? capable+0x14/0x20 [ 100.667158][ T8230] do_mount+0x1272/0x1c30 [ 100.671454][ T8230] ? lock_downgrade+0x960/0x960 [ 100.676278][ T8230] ? copy_mount_string+0x20/0x20 [ 100.681191][ T8230] ? __kasan_check_write+0x14/0x20 [ 100.686706][ T8230] ? _copy_from_user+0xc5/0x110 [ 100.691529][ T8230] __x64_sys_mount+0x169/0x1c0 [ 100.696265][ T8230] do_syscall_64+0xd0/0x630 [ 100.700742][ T8230] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 100.706602][ T8230] RIP: 0033:0x458da9 [ 100.710467][ T8230] 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 [ 100.730046][ T8230] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.738423][ T8230] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 100.746369][ T8230] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 100.754310][ T8230] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 100.762251][ T8230] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 100.770191][ T8230] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 100.778153][ T8231] CPU: 0 PID: 8231 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 100.786725][ T8231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.796767][ T8231] Call Trace: [ 100.800043][ T8231] dump_stack+0x12d/0x187 [ 100.804371][ T8231] should_fail.cold.4+0x5/0x13 [ 100.809128][ T8231] ? fault_create_debugfs_attr+0x150/0x150 [ 100.814922][ T8231] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.821495][ T8231] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.827030][ T8231] __should_failslab+0xba/0xf0 [ 100.831780][ T8231] should_failslab+0x9/0x14 [ 100.836272][ T8231] kmem_cache_alloc+0x47/0x760 [ 100.841022][ T8231] ? __kasan_check_read+0x11/0x20 [ 100.846039][ T8231] ? mark_lock+0xbf/0x630 [ 100.850358][ T8231] ? legacy_get_tree+0x103/0x1f0 [ 100.852955][ T8249] FAULT_INJECTION: forcing a failure. [ 100.852955][ T8249] name failslab, interval 1, probability 0, space 0, times 0 [ 100.855285][ T8231] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.874577][ T8231] idr_get_free+0x35d/0x880 [ 100.879064][ T8231] idr_alloc_u32+0x13a/0x330 [ 100.883632][ T8231] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 100.889147][ T8231] ? lock_acquire+0x209/0x9e0 [ 100.893829][ T8231] ? __kasan_check_write+0x14/0x20 [ 100.898908][ T8231] ? do_raw_spin_lock+0x132/0x2e0 [ 100.903905][ T8231] idr_alloc+0x7d/0xc0 [ 100.907943][ T8231] ? idr_alloc_u32+0x330/0x330 [ 100.912690][ T8231] p9_client_prepare_req.part.5+0x571/0x670 [ 100.918555][ T8231] p9_client_rpc+0x174/0xe50 [ 100.923117][ T8231] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.929156][ T8231] ? p9_pollwait+0x182/0x210 [ 100.933728][ T8231] ? pipe_poll+0xc8/0x6b0 [ 100.938030][ T8231] ? ksys_dup3+0x2e0/0x2e0 [ 100.942417][ T8231] ? p9_fd_poll+0x19b/0x2a0 [ 100.946889][ T8231] ? p9_conn_create+0x3a5/0x4f0 [ 100.951710][ T8231] ? p9_conn_create+0x4f0/0x4f0 [ 100.956536][ T8231] p9_client_create+0x7fb/0x10f0 [ 100.961449][ T8231] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.967482][ T8231] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.973083][ T8231] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.979115][ T8231] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.984906][ T8231] ? lockdep_init_map_waits+0x270/0x870 [ 100.990427][ T8231] v9fs_session_init+0x1ed/0x14c0 [ 100.995431][ T8231] ? v9fs_session_init+0x1ed/0x14c0 [ 101.000606][ T8231] ? find_held_lock+0x36/0x1d0 [ 101.005347][ T8231] ? v9fs_show_options+0x6c0/0x6c0 [ 101.010425][ T8231] ? __kasan_check_read+0x11/0x20 [ 101.015421][ T8231] ? v9fs_mount+0x55/0x7f0 [ 101.019809][ T8231] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.025339][ T8231] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.031372][ T8231] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.037163][ T8231] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.042681][ T8231] ? apparmor_task_alloc+0x2f0/0x2f0 [ 101.047937][ T8231] v9fs_mount+0x72/0x7f0 [ 101.052152][ T8231] ? v9fs_write_inode+0x50/0x50 [ 101.056971][ T8231] legacy_get_tree+0x103/0x1f0 [ 101.061708][ T8231] vfs_get_tree+0x8b/0x2d0 [ 101.066096][ T8231] ? capable+0x14/0x20 [ 101.070137][ T8231] do_mount+0x1272/0x1c30 [ 101.074447][ T8231] ? lock_downgrade+0x960/0x960 [ 101.079270][ T8231] ? copy_mount_string+0x20/0x20 [ 101.084183][ T8231] ? __kasan_check_write+0x14/0x20 [ 101.089264][ T8231] ? _copy_from_user+0xc5/0x110 [ 101.094086][ T8231] __x64_sys_mount+0x169/0x1c0 [ 101.098822][ T8231] do_syscall_64+0xd0/0x630 [ 101.103297][ T8231] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 101.109157][ T8231] RIP: 0033:0x458da9 [ 101.113021][ T8231] 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 [ 101.132595][ T8231] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.140988][ T8231] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 101.148930][ T8231] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.156873][ T8231] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.164918][ T8231] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 101.172861][ T8231] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.180819][ T8249] CPU: 1 PID: 8249 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 101.189390][ T8249] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.199437][ T8249] Call Trace: [ 101.202717][ T8249] dump_stack+0x12d/0x187 [ 101.207038][ T8249] should_fail.cold.4+0x5/0x13 [ 101.207209][ T8255] FAULT_INJECTION: forcing a failure. [ 101.207209][ T8255] name failslab, interval 1, probability 0, space 0, times 0 [ 101.211781][ T8249] ? stack_trace_save+0x82/0xb0 [ 101.229167][ T8249] ? fault_create_debugfs_attr+0x150/0x150 [ 101.234951][ T8249] __should_failslab+0xba/0xf0 [ 101.239685][ T8249] should_failslab+0x9/0x14 [ 101.244158][ T8249] kmem_cache_alloc+0x47/0x760 [ 101.248890][ T8249] ? __kasan_check_read+0x11/0x20 [ 101.253883][ T8249] ? mark_lock+0xbf/0x630 [ 101.258188][ T8249] ? legacy_get_tree+0x103/0x1f0 [ 101.263103][ T8249] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 101.269491][ T8249] idr_get_free+0x35d/0x880 [ 101.273973][ T8249] ? mark_held_locks+0x130/0x130 [ 101.278880][ T8249] idr_alloc_u32+0x13a/0x330 [ 101.283445][ T8249] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 101.288974][ T8249] ? lock_acquire+0x209/0x9e0 [ 101.293633][ T8249] ? __kasan_check_write+0x14/0x20 [ 101.298711][ T8249] ? do_raw_spin_lock+0x132/0x2e0 [ 101.303707][ T8249] idr_alloc+0x7d/0xc0 [ 101.307746][ T8249] ? idr_alloc_u32+0x330/0x330 [ 101.312487][ T8249] p9_client_prepare_req.part.5+0x571/0x670 [ 101.318364][ T8249] p9_client_rpc+0x174/0xe50 [ 101.322926][ T8249] ? p9_client_prepare_req.part.5+0x670/0x670 [ 101.328964][ T8249] ? p9_pollwait+0x182/0x210 [ 101.333527][ T8249] ? pipe_poll+0xc8/0x6b0 [ 101.337825][ T8249] ? ksys_dup3+0x2e0/0x2e0 [ 101.342210][ T8249] ? p9_fd_poll+0x19b/0x2a0 [ 101.346684][ T8249] ? p9_conn_create+0x3a5/0x4f0 [ 101.351507][ T8249] ? p9_conn_create+0x4f0/0x4f0 [ 101.356332][ T8249] p9_client_create+0x7fb/0x10f0 [ 101.361245][ T8249] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 101.367279][ T8249] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.372791][ T8249] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.378824][ T8249] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.384663][ T8249] ? lockdep_init_map_waits+0x270/0x870 [ 101.390193][ T8249] v9fs_session_init+0x1ed/0x14c0 [ 101.395192][ T8249] ? v9fs_session_init+0x1ed/0x14c0 [ 101.400365][ T8249] ? find_held_lock+0x36/0x1d0 [ 101.405109][ T8249] ? v9fs_show_options+0x6c0/0x6c0 [ 101.410192][ T8249] ? __kasan_check_read+0x11/0x20 [ 101.415204][ T8249] ? __ip6_make_skb+0x1c60/0x29d0 [ 101.420203][ T8249] ? v9fs_mount+0x55/0x7f0 [ 101.424592][ T8249] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.430108][ T8249] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.436157][ T8249] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.441936][ T8249] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.447455][ T8249] ? apparmor_task_alloc+0x2f0/0x2f0 [ 101.452720][ T8249] v9fs_mount+0x72/0x7f0 [ 101.456936][ T8249] ? v9fs_write_inode+0x50/0x50 [ 101.461769][ T8249] legacy_get_tree+0x103/0x1f0 [ 101.466508][ T8249] vfs_get_tree+0x8b/0x2d0 [ 101.470896][ T8249] ? capable+0x14/0x20 [ 101.474938][ T8249] do_mount+0x1272/0x1c30 [ 101.479250][ T8249] ? lock_downgrade+0x960/0x960 [ 101.484070][ T8249] ? copy_mount_string+0x20/0x20 [ 101.488988][ T8249] ? __kasan_check_write+0x14/0x20 [ 101.494069][ T8249] ? _copy_from_user+0xc5/0x110 [ 101.498904][ T8249] __x64_sys_mount+0x169/0x1c0 [ 101.503643][ T8249] do_syscall_64+0xd0/0x630 [ 101.508122][ T8249] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 101.514007][ T8249] RIP: 0033:0x458da9 [ 101.517875][ T8249] 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 [ 101.537447][ T8249] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.545839][ T8249] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 101.553782][ T8249] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.561725][ T8249] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.569664][ T8249] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 101.577609][ T8249] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.585581][ T8255] CPU: 0 PID: 8255 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 101.594156][ T8255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.604201][ T8255] Call Trace: [ 101.607474][ T8255] dump_stack+0x12d/0x187 [ 101.611801][ T8255] should_fail.cold.4+0x5/0x13 [ 101.616550][ T8255] ? stack_trace_save+0x82/0xb0 [ 101.621393][ T8255] ? fault_create_debugfs_attr+0x150/0x150 [ 101.627194][ T8255] __should_failslab+0xba/0xf0 [ 101.631948][ T8255] should_failslab+0x9/0x14 [ 101.636705][ T8255] kmem_cache_alloc+0x47/0x760 [ 101.641456][ T8255] ? __kasan_check_read+0x11/0x20 [ 101.646499][ T8255] ? mark_lock+0xbf/0x630 [ 101.650818][ T8255] ? legacy_get_tree+0x103/0x1f0 [ 101.655767][ T8255] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 101.662175][ T8255] idr_get_free+0x35d/0x880 [ 101.666674][ T8255] ? mark_held_locks+0x130/0x130 [ 101.671603][ T8255] idr_alloc_u32+0x13a/0x330 [ 101.676188][ T8255] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 101.681721][ T8255] ? lock_acquire+0x209/0x9e0 [ 101.684210][ T8264] FAULT_INJECTION: forcing a failure. [ 101.684210][ T8264] name failslab, interval 1, probability 0, space 0, times 0 [ 101.686382][ T8255] ? __kasan_check_write+0x14/0x20 [ 101.704022][ T8255] ? do_raw_spin_lock+0x132/0x2e0 [ 101.709020][ T8255] idr_alloc+0x7d/0xc0 [ 101.713062][ T8255] ? idr_alloc_u32+0x330/0x330 [ 101.718669][ T8255] p9_client_prepare_req.part.5+0x571/0x670 [ 101.724534][ T8255] p9_client_rpc+0x174/0xe50 [ 101.729100][ T8255] ? p9_client_prepare_req.part.5+0x670/0x670 [ 101.735137][ T8255] ? p9_pollwait+0x182/0x210 [ 101.739698][ T8255] ? pipe_poll+0xc8/0x6b0 [ 101.743996][ T8255] ? ksys_dup3+0x2e0/0x2e0 [ 101.748383][ T8255] ? p9_fd_poll+0x19b/0x2a0 [ 101.752856][ T8255] ? p9_conn_create+0x3a5/0x4f0 [ 101.757689][ T8255] ? p9_conn_create+0x4f0/0x4f0 [ 101.762510][ T8255] ? kfree+0x23a/0x2c0 [ 101.766553][ T8255] p9_client_create+0x7fb/0x10f0 [ 101.771465][ T8255] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 101.777507][ T8255] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.783022][ T8255] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.789055][ T8255] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.794834][ T8255] ? lockdep_init_map_waits+0x270/0x870 [ 101.800361][ T8255] v9fs_session_init+0x1ed/0x14c0 [ 101.805353][ T8255] ? v9fs_session_init+0x1ed/0x14c0 [ 101.810521][ T8255] ? find_held_lock+0x36/0x1d0 [ 101.815260][ T8255] ? v9fs_show_options+0x6c0/0x6c0 [ 101.820340][ T8255] ? __kasan_check_read+0x11/0x20 [ 101.825335][ T8255] ? v9fs_mount+0x55/0x7f0 [ 101.829721][ T8255] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.835235][ T8255] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.841267][ T8255] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.847047][ T8255] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.852565][ T8255] ? apparmor_task_alloc+0x2f0/0x2f0 [ 101.857823][ T8255] v9fs_mount+0x72/0x7f0 [ 101.862036][ T8255] ? v9fs_write_inode+0x50/0x50 [ 101.866856][ T8255] legacy_get_tree+0x103/0x1f0 [ 101.871589][ T8255] vfs_get_tree+0x8b/0x2d0 [ 101.875975][ T8255] ? capable+0x14/0x20 [ 101.880014][ T8255] do_mount+0x1272/0x1c30 [ 101.884312][ T8255] ? lock_downgrade+0x960/0x960 [ 101.889134][ T8255] ? copy_mount_string+0x20/0x20 [ 101.894045][ T8255] ? __kasan_check_write+0x14/0x20 [ 101.899130][ T8255] ? _copy_from_user+0xc5/0x110 [ 101.903956][ T8255] __x64_sys_mount+0x169/0x1c0 [ 101.908692][ T8255] do_syscall_64+0xd0/0x630 [ 101.913173][ T8255] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 101.919032][ T8255] RIP: 0033:0x458da9 [ 101.922898][ T8255] 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 [ 101.944554][ T8255] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.952931][ T8255] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 101.960872][ T8255] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.968814][ T8255] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.976753][ T8255] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 101.984697][ T8255] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.992657][ T8264] CPU: 1 PID: 8264 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 101.994548][ T27] audit: type=1804 audit(1587461097.850:18): pid=8264 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/21/file0" dev="sda1" ino=15931 res=1 [ 102.001222][ T8264] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.034040][ T8264] Call Trace: [ 102.037320][ T8264] dump_stack+0x12d/0x187 [ 102.041652][ T8264] should_fail.cold.4+0x5/0x13 [ 102.046426][ T8264] ? fault_create_debugfs_attr+0x150/0x150 [ 102.052223][ T8264] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 102.058801][ T8264] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.064336][ T8264] __should_failslab+0xba/0xf0 [ 102.069087][ T8264] should_failslab+0x9/0x14 [ 102.073577][ T8264] kmem_cache_alloc+0x47/0x760 [ 102.078329][ T8264] ? __kasan_check_read+0x11/0x20 [ 102.083340][ T8264] ? mark_lock+0xbf/0x630 [ 102.084014][ T27] audit: type=1804 audit(1587461098.730:19): pid=8260 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir903884808/syzkaller.tguwh7/23/file0" dev="sda1" ino=15932 res=1 [ 102.087646][ T8264] ? legacy_get_tree+0x103/0x1f0 [ 102.087660][ T8264] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 102.087672][ T8264] idr_get_free+0x35d/0x880 [ 102.087692][ T8264] idr_alloc_u32+0x13a/0x330 [ 102.087703][ T8264] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 102.087708][ T8264] ? lock_acquire+0x209/0x9e0 [ 102.087721][ T8264] ? __kasan_check_write+0x14/0x20 [ 102.114829][ T8260] FAULT_INJECTION: forcing a failure. [ 102.114829][ T8260] name failslab, interval 1, probability 0, space 0, times 0 [ 102.115423][ T8264] ? do_raw_spin_lock+0x132/0x2e0 [ 102.163585][ T8264] idr_alloc+0x7d/0xc0 [ 102.167644][ T8264] ? idr_alloc_u32+0x330/0x330 [ 102.172383][ T8264] p9_client_prepare_req.part.5+0x571/0x670 [ 102.178247][ T8264] p9_client_rpc+0x174/0xe50 [ 102.182809][ T8264] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 102.188585][ T8264] ? __debug_object_init+0x4fc/0x10f0 [ 102.193928][ T8264] ? __kasan_check_read+0x11/0x20 [ 102.198924][ T8264] ? p9_client_prepare_req.part.5+0x670/0x670 [ 102.204965][ T8264] ? free_object+0x70/0x70 [ 102.209354][ T8264] ? ksys_dup3+0x2e0/0x2e0 [ 102.213742][ T8264] ? lockdep_init_map_waits+0x270/0x870 [ 102.219257][ T8264] ? __kasan_check_write+0x14/0x20 [ 102.224336][ T8264] ? p9_conn_create+0x3ce/0x4f0 [ 102.229158][ T8264] ? p9_conn_create+0x4f0/0x4f0 [ 102.233982][ T8264] p9_client_create+0x7fb/0x10f0 [ 102.238895][ T8264] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 102.244943][ T8264] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.250457][ T8264] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.256490][ T8264] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.262276][ T8264] ? lockdep_init_map_waits+0x270/0x870 [ 102.267807][ T8264] v9fs_session_init+0x1ed/0x14c0 [ 102.272801][ T8264] ? v9fs_session_init+0x1ed/0x14c0 [ 102.277968][ T8264] ? find_held_lock+0x36/0x1d0 [ 102.282706][ T8264] ? v9fs_show_options+0x6c0/0x6c0 [ 102.287785][ T8264] ? __kasan_check_read+0x11/0x20 [ 102.292779][ T8264] ? v9fs_mount+0x55/0x7f0 [ 102.297166][ T8264] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.302682][ T8264] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.308716][ T8264] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.314496][ T8264] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.320011][ T8264] ? apparmor_task_alloc+0x2f0/0x2f0 [ 102.325266][ T8264] v9fs_mount+0x72/0x7f0 [ 102.329479][ T8264] ? v9fs_write_inode+0x50/0x50 [ 102.334310][ T8264] legacy_get_tree+0x103/0x1f0 [ 102.339046][ T8264] vfs_get_tree+0x8b/0x2d0 [ 102.343432][ T8264] ? capable+0x14/0x20 [ 102.347494][ T8264] do_mount+0x1272/0x1c30 [ 102.351802][ T8264] ? lock_downgrade+0x960/0x960 [ 102.356624][ T8264] ? copy_mount_string+0x20/0x20 [ 102.361537][ T8264] ? __kasan_check_write+0x14/0x20 [ 102.366618][ T8264] ? _copy_from_user+0xc5/0x110 [ 102.371443][ T8264] __x64_sys_mount+0x169/0x1c0 [ 102.376180][ T8264] do_syscall_64+0xd0/0x630 [ 102.380657][ T8264] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 102.386952][ T8264] RIP: 0033:0x458da9 [ 102.390817][ T8264] 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 [ 102.410392][ T8264] RSP: 002b:00007f95ee5c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.418772][ T8264] RAX: ffffffffffffffda RBX: 00007f95ee5c2c90 RCX: 0000000000458da9 [ 102.426714][ T8264] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 102.434656][ T8264] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 102.442596][ T8264] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5c36d4 [ 102.450539][ T8264] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 102.458509][ T8260] CPU: 0 PID: 8260 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 102.467074][ T8260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.477113][ T8260] Call Trace: [ 102.480389][ T8260] dump_stack+0x12d/0x187 [ 102.484715][ T8260] should_fail.cold.4+0x5/0x13 [ 102.489471][ T8260] ? fault_create_debugfs_attr+0x150/0x150 [ 102.495011][ T8272] FAULT_INJECTION: forcing a failure. [ 102.495011][ T8272] name failslab, interval 1, probability 0, space 0, times 0 [ 102.495261][ T8260] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 102.514358][ T8260] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.519876][ T8260] __should_failslab+0xba/0xf0 [ 102.524609][ T8260] should_failslab+0x9/0x14 [ 102.529081][ T8260] kmem_cache_alloc+0x47/0x760 [ 102.533812][ T8260] ? __kasan_check_read+0x11/0x20 [ 102.538806][ T8260] ? mark_lock+0xbf/0x630 [ 102.543105][ T8260] ? legacy_get_tree+0x103/0x1f0 [ 102.548014][ T8260] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 102.554407][ T8260] idr_get_free+0x35d/0x880 [ 102.558900][ T8260] idr_alloc_u32+0x13a/0x330 [ 102.563460][ T8260] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 102.568973][ T8260] ? lock_acquire+0x209/0x9e0 [ 102.573622][ T8260] ? __kasan_check_write+0x14/0x20 [ 102.578717][ T8260] ? do_raw_spin_lock+0x132/0x2e0 [ 102.583718][ T8260] idr_alloc+0x7d/0xc0 [ 102.587758][ T8260] ? idr_alloc_u32+0x330/0x330 [ 102.592501][ T8260] p9_client_prepare_req.part.5+0x571/0x670 [ 102.598372][ T8260] p9_client_rpc+0x174/0xe50 [ 102.602954][ T8260] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 102.608735][ T8260] ? __debug_object_init+0x4fc/0x10f0 [ 102.614080][ T8260] ? __kasan_check_read+0x11/0x20 [ 102.619090][ T8260] ? p9_client_prepare_req.part.5+0x670/0x670 [ 102.625130][ T8260] ? free_object+0x70/0x70 [ 102.629519][ T8260] ? ksys_dup3+0x2e0/0x2e0 [ 102.633923][ T8260] ? lockdep_init_map_waits+0x270/0x870 [ 102.639438][ T8260] ? __kasan_check_write+0x14/0x20 [ 102.644519][ T8260] ? p9_conn_create+0x3ce/0x4f0 [ 102.649340][ T8260] ? p9_conn_create+0x4f0/0x4f0 [ 102.654165][ T8260] p9_client_create+0x7fb/0x10f0 [ 102.659090][ T8260] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 102.665124][ T8260] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.670638][ T8260] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.676670][ T8260] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.682450][ T8260] ? lockdep_init_map_waits+0x270/0x870 [ 102.687973][ T8260] v9fs_session_init+0x1ed/0x14c0 [ 102.692966][ T8260] ? v9fs_session_init+0x1ed/0x14c0 [ 102.698135][ T8260] ? find_held_lock+0x36/0x1d0 [ 102.702884][ T8260] ? v9fs_show_options+0x6c0/0x6c0 [ 102.707985][ T8260] ? __kasan_check_read+0x11/0x20 [ 102.712981][ T8260] ? v9fs_mount+0x55/0x7f0 [ 102.717367][ T8260] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.722879][ T8260] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.728913][ T8260] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.734693][ T8260] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.740210][ T8260] ? apparmor_task_alloc+0x2f0/0x2f0 [ 102.745466][ T8260] v9fs_mount+0x72/0x7f0 [ 102.749679][ T8260] ? v9fs_write_inode+0x50/0x50 [ 102.754505][ T8260] legacy_get_tree+0x103/0x1f0 [ 102.759243][ T8260] vfs_get_tree+0x8b/0x2d0 [ 102.763626][ T8260] ? capable+0x14/0x20 [ 102.767680][ T8260] do_mount+0x1272/0x1c30 [ 102.771978][ T8260] ? lock_downgrade+0x960/0x960 [ 102.776799][ T8260] ? copy_mount_string+0x20/0x20 [ 102.781712][ T8260] ? __kasan_check_write+0x14/0x20 [ 102.786791][ T8260] ? _copy_from_user+0xc5/0x110 [ 102.791615][ T8260] __x64_sys_mount+0x169/0x1c0 [ 102.796351][ T8260] do_syscall_64+0xd0/0x630 [ 102.800835][ T8260] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 102.806697][ T8260] RIP: 0033:0x458da9 [ 102.810564][ T8260] 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 [ 102.830136][ T8260] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.840424][ T8260] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 102.848378][ T8260] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 102.856323][ T8260] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 102.864266][ T8260] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 102.872213][ T8260] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 102.880214][ T8272] CPU: 1 PID: 8272 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 102.888788][ T8272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.898829][ T8272] Call Trace: [ 102.902104][ T8272] dump_stack+0x12d/0x187 [ 102.906429][ T8272] should_fail.cold.4+0x5/0x13 [ 102.911187][ T8272] ? fault_create_debugfs_attr+0x150/0x150 [ 102.916982][ T8272] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 102.923556][ T8272] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.929096][ T8272] __should_failslab+0xba/0xf0 [ 102.933851][ T8272] should_failslab+0x9/0x14 [ 102.938346][ T8272] kmem_cache_alloc+0x47/0x760 [ 102.943095][ T8272] ? __kasan_check_read+0x11/0x20 [ 102.948104][ T8272] ? mark_lock+0xbf/0x630 [ 102.952421][ T8272] ? legacy_get_tree+0x103/0x1f0 [ 102.957352][ T8272] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 102.963756][ T8272] idr_get_free+0x35d/0x880 [ 102.968257][ T8272] idr_alloc_u32+0x13a/0x330 [ 102.972838][ T8272] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 102.978376][ T8272] ? lock_acquire+0x209/0x9e0 [ 102.981982][ T8274] FAULT_INJECTION: forcing a failure. [ 102.981982][ T8274] name failslab, interval 1, probability 0, space 0, times 0 [ 102.983039][ T8272] ? __kasan_check_write+0x14/0x20 [ 103.000668][ T8272] ? do_raw_spin_lock+0x132/0x2e0 [ 103.005666][ T8272] idr_alloc+0x7d/0xc0 [ 103.009707][ T8272] ? idr_alloc_u32+0x330/0x330 [ 103.014444][ T8272] p9_client_prepare_req.part.5+0x571/0x670 [ 103.020320][ T8272] p9_client_rpc+0x174/0xe50 [ 103.024884][ T8272] ? p9_client_prepare_req.part.5+0x670/0x670 [ 103.030920][ T8272] ? p9_pollwait+0x182/0x210 [ 103.035484][ T8272] ? pipe_poll+0xc8/0x6b0 [ 103.039781][ T8272] ? ksys_dup3+0x2e0/0x2e0 [ 103.044168][ T8272] ? p9_fd_poll+0x19b/0x2a0 [ 103.048656][ T8272] ? p9_conn_create+0x3a5/0x4f0 [ 103.053484][ T8272] ? p9_conn_create+0x4f0/0x4f0 [ 103.058327][ T8272] p9_client_create+0x7fb/0x10f0 [ 103.063240][ T8272] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 103.069275][ T8272] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.074788][ T8272] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.080826][ T8272] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.086609][ T8272] ? lockdep_init_map_waits+0x270/0x870 [ 103.092139][ T8272] v9fs_session_init+0x1ed/0x14c0 [ 103.097133][ T8272] ? v9fs_session_init+0x1ed/0x14c0 [ 103.102301][ T8272] ? find_held_lock+0x36/0x1d0 [ 103.107039][ T8272] ? v9fs_show_options+0x6c0/0x6c0 [ 103.112117][ T8272] ? __kasan_check_read+0x11/0x20 [ 103.117115][ T8272] ? v9fs_mount+0x55/0x7f0 [ 103.121499][ T8272] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.127011][ T8272] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.133044][ T8272] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.138834][ T8272] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.144353][ T8272] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.149610][ T8272] v9fs_mount+0x72/0x7f0 [ 103.153824][ T8272] ? v9fs_write_inode+0x50/0x50 [ 103.158645][ T8272] legacy_get_tree+0x103/0x1f0 [ 103.163641][ T8272] vfs_get_tree+0x8b/0x2d0 [ 103.168027][ T8272] ? capable+0x14/0x20 [ 103.172079][ T8272] do_mount+0x1272/0x1c30 [ 103.176390][ T8272] ? lock_downgrade+0x960/0x960 [ 103.181215][ T8272] ? copy_mount_string+0x20/0x20 [ 103.186127][ T8272] ? __kasan_check_write+0x14/0x20 [ 103.191220][ T8272] ? _copy_from_user+0xc5/0x110 [ 103.196056][ T8272] __x64_sys_mount+0x169/0x1c0 [ 103.200793][ T8272] do_syscall_64+0xd0/0x630 [ 103.205270][ T8272] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 103.211143][ T8272] RIP: 0033:0x458da9 [ 103.215008][ T8272] 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 [ 103.234681][ T8272] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 103.243061][ T8272] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 103.251003][ T8272] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 2020/04/21 09:24:59 executed programs: 136 [ 103.258943][ T8272] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.266884][ T8272] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 103.274824][ T8272] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.282786][ T8274] CPU: 0 PID: 8274 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 103.291356][ T8274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.301400][ T8274] Call Trace: [ 103.304680][ T8274] dump_stack+0x12d/0x187 [ 103.309009][ T8274] should_fail.cold.4+0x5/0x13 [ 103.313764][ T8274] ? stack_trace_save+0x82/0xb0 [ 103.318607][ T8274] ? fault_create_debugfs_attr+0x150/0x150 [ 103.322029][ T8283] FAULT_INJECTION: forcing a failure. [ 103.322029][ T8283] name failslab, interval 1, probability 0, space 0, times 0 [ 103.324403][ T8274] __should_failslab+0xba/0xf0 [ 103.341675][ T8274] should_failslab+0x9/0x14 [ 103.346153][ T8274] kmem_cache_alloc+0x47/0x760 [ 103.350887][ T8274] ? __kasan_check_read+0x11/0x20 [ 103.355883][ T8274] ? mark_lock+0xbf/0x630 [ 103.360181][ T8274] ? legacy_get_tree+0x103/0x1f0 [ 103.365091][ T8274] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 103.371476][ T8274] idr_get_free+0x35d/0x880 [ 103.375956][ T8274] ? mark_held_locks+0x130/0x130 [ 103.380866][ T8274] idr_alloc_u32+0x13a/0x330 [ 103.385444][ T8274] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 103.390956][ T8274] ? lock_acquire+0x209/0x9e0 [ 103.395605][ T8274] ? __kasan_check_write+0x14/0x20 [ 103.400684][ T8274] ? do_raw_spin_lock+0x132/0x2e0 [ 103.405699][ T8274] idr_alloc+0x7d/0xc0 [ 103.409759][ T8274] ? idr_alloc_u32+0x330/0x330 [ 103.414528][ T8274] p9_client_prepare_req.part.5+0x571/0x670 [ 103.420404][ T8274] p9_client_rpc+0x174/0xe50 [ 103.424968][ T8274] ? p9_client_prepare_req.part.5+0x670/0x670 [ 103.431012][ T8274] ? p9_pollwait+0x182/0x210 [ 103.435575][ T8274] ? pipe_poll+0xc8/0x6b0 [ 103.439876][ T8274] ? ksys_dup3+0x2e0/0x2e0 [ 103.444268][ T8274] ? p9_fd_poll+0x19b/0x2a0 [ 103.448748][ T8274] ? p9_conn_create+0x3a5/0x4f0 [ 103.453592][ T8274] ? p9_conn_create+0x4f0/0x4f0 [ 103.458481][ T8274] p9_client_create+0x7fb/0x10f0 [ 103.463402][ T8274] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 103.469444][ T8274] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.474964][ T8274] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.481004][ T8274] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.486787][ T8274] ? lockdep_init_map_waits+0x270/0x870 [ 103.492316][ T8274] v9fs_session_init+0x1ed/0x14c0 [ 103.497313][ T8274] ? v9fs_session_init+0x1ed/0x14c0 [ 103.502483][ T8274] ? find_held_lock+0x36/0x1d0 [ 103.507223][ T8274] ? v9fs_show_options+0x6c0/0x6c0 [ 103.512331][ T8274] ? __kasan_check_read+0x11/0x20 [ 103.517347][ T8274] ? v9fs_mount+0x55/0x7f0 [ 103.521821][ T8274] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.527335][ T8274] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.533371][ T8274] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.539150][ T8274] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.544665][ T8274] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.550790][ T8274] v9fs_mount+0x72/0x7f0 [ 103.555004][ T8274] ? v9fs_write_inode+0x50/0x50 [ 103.559826][ T8274] legacy_get_tree+0x103/0x1f0 [ 103.564563][ T8274] vfs_get_tree+0x8b/0x2d0 [ 103.568947][ T8274] ? capable+0x14/0x20 [ 103.572989][ T8274] do_mount+0x1272/0x1c30 [ 103.577285][ T8274] ? lock_downgrade+0x960/0x960 [ 103.582138][ T8274] ? copy_mount_string+0x20/0x20 [ 103.587058][ T8274] ? __kasan_check_write+0x14/0x20 [ 103.592139][ T8274] ? _copy_from_user+0xc5/0x110 [ 103.596967][ T8274] __x64_sys_mount+0x169/0x1c0 [ 103.601710][ T8274] do_syscall_64+0xd0/0x630 [ 103.606191][ T8274] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 103.612068][ T8274] RIP: 0033:0x458da9 [ 103.615949][ T8274] 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 [ 103.635525][ T8274] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 103.643903][ T8274] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 103.651849][ T8274] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 103.659791][ T8274] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.667744][ T8274] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 103.676728][ T8274] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.684705][ T8283] CPU: 1 PID: 8283 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 103.693280][ T8283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.703353][ T8283] Call Trace: [ 103.706634][ T8283] dump_stack+0x12d/0x187 [ 103.710959][ T8283] should_fail.cold.4+0x5/0x13 [ 103.718931][ T8283] ? fault_create_debugfs_attr+0x150/0x150 [ 103.724726][ T8283] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 103.731300][ T8283] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.736838][ T8283] __should_failslab+0xba/0xf0 [ 103.741589][ T8283] should_failslab+0x9/0x14 [ 103.746078][ T8283] kmem_cache_alloc+0x47/0x760 [ 103.750829][ T8283] ? __kasan_check_read+0x11/0x20 [ 103.755835][ T8283] ? mark_lock+0xbf/0x630 [ 103.760157][ T8283] ? legacy_get_tree+0x103/0x1f0 [ 103.765099][ T8283] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 103.771508][ T8283] idr_get_free+0x35d/0x880 [ 103.776011][ T8283] idr_alloc_u32+0x13a/0x330 [ 103.780590][ T8283] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 103.786140][ T8283] ? lock_acquire+0x209/0x9e0 [ 103.790803][ T8283] ? __kasan_check_write+0x14/0x20 [ 103.795900][ T8283] ? do_raw_spin_lock+0x132/0x2e0 [ 103.800914][ T8283] idr_alloc+0x7d/0xc0 [ 103.804972][ T8283] ? idr_alloc_u32+0x330/0x330 [ 103.809729][ T8283] p9_client_prepare_req.part.5+0x571/0x670 [ 103.815614][ T8283] p9_client_rpc+0x174/0xe50 [ 103.820195][ T8283] ? p9_client_prepare_req.part.5+0x670/0x670 [ 103.826266][ T8283] ? p9_pollwait+0x182/0x210 [ 103.830851][ T8283] ? pipe_poll+0xc8/0x6b0 [ 103.835163][ T8283] ? ksys_dup3+0x2e0/0x2e0 [ 103.839570][ T8283] ? p9_fd_poll+0x19b/0x2a0 [ 103.839892][ T8284] FAULT_INJECTION: forcing a failure. [ 103.839892][ T8284] name failslab, interval 1, probability 0, space 0, times 0 [ 103.844053][ T8283] ? p9_conn_create+0x3a5/0x4f0 [ 103.861423][ T8283] ? p9_conn_create+0x4f0/0x4f0 [ 103.866262][ T8283] p9_client_create+0x7fb/0x10f0 [ 103.871178][ T8283] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 103.877230][ T8283] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.882742][ T8283] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.888776][ T8283] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.894564][ T8283] ? lockdep_init_map_waits+0x270/0x870 [ 103.900085][ T8283] v9fs_session_init+0x1ed/0x14c0 [ 103.905076][ T8283] ? v9fs_session_init+0x1ed/0x14c0 [ 103.910246][ T8283] ? find_held_lock+0x36/0x1d0 [ 103.914983][ T8283] ? v9fs_show_options+0x6c0/0x6c0 [ 103.920062][ T8283] ? __kasan_check_read+0x11/0x20 [ 103.925057][ T8283] ? arp_ioctl+0x520/0x630 [ 103.929443][ T8283] ? v9fs_mount+0x55/0x7f0 [ 103.933828][ T8283] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.939341][ T8283] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.945372][ T8283] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.951149][ T8283] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.956664][ T8283] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.961931][ T8283] v9fs_mount+0x72/0x7f0 [ 103.966144][ T8283] ? v9fs_write_inode+0x50/0x50 [ 103.970979][ T8283] legacy_get_tree+0x103/0x1f0 [ 103.975813][ T8283] vfs_get_tree+0x8b/0x2d0 [ 103.980198][ T8283] ? capable+0x14/0x20 [ 103.984239][ T8283] do_mount+0x1272/0x1c30 [ 103.988539][ T8283] ? lock_downgrade+0x960/0x960 [ 103.993363][ T8283] ? copy_mount_string+0x20/0x20 [ 103.998276][ T8283] ? __kasan_check_write+0x14/0x20 [ 104.003355][ T8283] ? _copy_from_user+0xc5/0x110 [ 104.008191][ T8283] __x64_sys_mount+0x169/0x1c0 [ 104.012926][ T8283] do_syscall_64+0xd0/0x630 [ 104.017401][ T8283] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 104.023262][ T8283] RIP: 0033:0x458da9 [ 104.027129][ T8283] 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 [ 104.046700][ T8283] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.055077][ T8283] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 104.063017][ T8283] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 104.070959][ T8283] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 104.078899][ T8283] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 104.086852][ T8283] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 104.094814][ T8284] CPU: 0 PID: 8284 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 104.103383][ T8284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.113597][ T8284] Call Trace: [ 104.116876][ T8284] dump_stack+0x12d/0x187 [ 104.121201][ T8284] should_fail.cold.4+0x5/0x13 [ 104.125954][ T8284] ? fault_create_debugfs_attr+0x150/0x150 [ 104.131755][ T8284] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 104.138328][ T8284] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.143865][ T8284] __should_failslab+0xba/0xf0 [ 104.144798][ T8300] FAULT_INJECTION: forcing a failure. [ 104.144798][ T8300] name failslab, interval 1, probability 0, space 0, times 0 [ 104.148613][ T8284] should_failslab+0x9/0x14 [ 104.165626][ T8284] kmem_cache_alloc+0x47/0x760 [ 104.170359][ T8284] ? __kasan_check_read+0x11/0x20 [ 104.175350][ T8284] ? mark_lock+0xbf/0x630 [ 104.179647][ T8284] ? legacy_get_tree+0x103/0x1f0 [ 104.184557][ T8284] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 104.190941][ T8284] idr_get_free+0x35d/0x880 [ 104.195422][ T8284] idr_alloc_u32+0x13a/0x330 [ 104.199987][ T8284] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 104.205511][ T8284] ? lock_acquire+0x209/0x9e0 [ 104.210161][ T8284] ? __kasan_check_write+0x14/0x20 [ 104.215239][ T8284] ? do_raw_spin_lock+0x132/0x2e0 [ 104.220235][ T8284] idr_alloc+0x7d/0xc0 [ 104.224275][ T8284] ? idr_alloc_u32+0x330/0x330 [ 104.229014][ T8284] p9_client_prepare_req.part.5+0x571/0x670 [ 104.234878][ T8284] p9_client_rpc+0x174/0xe50 [ 104.239446][ T8284] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.245484][ T8284] ? p9_pollwait+0x182/0x210 [ 104.250064][ T8284] ? pipe_poll+0xc8/0x6b0 [ 104.254363][ T8284] ? ksys_dup3+0x2e0/0x2e0 [ 104.258785][ T8284] ? p9_fd_poll+0x19b/0x2a0 [ 104.263265][ T8284] ? p9_conn_create+0x3a5/0x4f0 [ 104.268086][ T8284] ? p9_conn_create+0x4f0/0x4f0 [ 104.272911][ T8284] p9_client_create+0x7fb/0x10f0 [ 104.277827][ T8284] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.283861][ T8284] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.289375][ T8284] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.295409][ T8284] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.301194][ T8284] ? lockdep_init_map_waits+0x270/0x870 [ 104.306721][ T8284] v9fs_session_init+0x1ed/0x14c0 [ 104.311713][ T8284] ? v9fs_session_init+0x1ed/0x14c0 [ 104.316884][ T8284] ? find_held_lock+0x36/0x1d0 [ 104.321622][ T8284] ? v9fs_show_options+0x6c0/0x6c0 [ 104.326700][ T8284] ? __kasan_check_read+0x11/0x20 [ 104.331695][ T8284] ? tls_push_record+0xef0/0x30c0 [ 104.336688][ T8284] ? v9fs_mount+0x55/0x7f0 [ 104.341073][ T8284] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.346587][ T8284] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.352620][ T8284] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.358398][ T8284] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.363913][ T8284] ? apparmor_task_alloc+0x2f0/0x2f0 [ 104.369172][ T8284] v9fs_mount+0x72/0x7f0 [ 104.373390][ T8284] ? v9fs_write_inode+0x50/0x50 [ 104.378209][ T8284] legacy_get_tree+0x103/0x1f0 [ 104.382946][ T8284] vfs_get_tree+0x8b/0x2d0 [ 104.387331][ T8284] ? capable+0x14/0x20 [ 104.391371][ T8284] do_mount+0x1272/0x1c30 [ 104.395684][ T8284] ? lock_downgrade+0x960/0x960 [ 104.400516][ T8284] ? copy_mount_string+0x20/0x20 [ 104.405435][ T8284] ? __kasan_check_write+0x14/0x20 [ 104.410521][ T8284] ? _copy_from_user+0xc5/0x110 [ 104.415351][ T8284] __x64_sys_mount+0x169/0x1c0 [ 104.420095][ T8284] do_syscall_64+0xd0/0x630 [ 104.424590][ T8284] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 104.430453][ T8284] RIP: 0033:0x458da9 [ 104.434319][ T8284] 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 [ 104.453902][ T8284] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.462284][ T8284] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 104.470227][ T8284] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 104.478171][ T8284] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 104.486125][ T8284] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 104.494068][ T8284] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 104.502028][ T8300] CPU: 1 PID: 8300 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 104.510600][ T8300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.520740][ T8300] Call Trace: [ 104.524026][ T8300] dump_stack+0x12d/0x187 [ 104.528359][ T8300] should_fail.cold.4+0x5/0x13 [ 104.533115][ T8300] ? fault_create_debugfs_attr+0x150/0x150 [ 104.538909][ T8300] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 104.545505][ T8300] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.551129][ T8300] __should_failslab+0xba/0xf0 [ 104.555881][ T8300] should_failslab+0x9/0x14 [ 104.560240][ T8302] FAULT_INJECTION: forcing a failure. [ 104.560240][ T8302] name failslab, interval 1, probability 0, space 0, times 0 [ 104.560370][ T8300] kmem_cache_alloc+0x47/0x760 [ 104.577662][ T8300] ? __kasan_check_read+0x11/0x20 [ 104.582655][ T8300] ? mark_lock+0xbf/0x630 [ 104.586955][ T8300] ? legacy_get_tree+0x103/0x1f0 [ 104.591868][ T8300] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 104.598258][ T8300] idr_get_free+0x35d/0x880 [ 104.602753][ T8300] idr_alloc_u32+0x13a/0x330 [ 104.607324][ T8300] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 104.612858][ T8300] ? lock_acquire+0x209/0x9e0 [ 104.617507][ T8300] ? __kasan_check_write+0x14/0x20 [ 104.622593][ T8300] ? do_raw_spin_lock+0x132/0x2e0 [ 104.627590][ T8300] idr_alloc+0x7d/0xc0 [ 104.631641][ T8300] ? idr_alloc_u32+0x330/0x330 [ 104.636380][ T8300] p9_client_prepare_req.part.5+0x571/0x670 [ 104.642245][ T8300] p9_client_rpc+0x174/0xe50 [ 104.646822][ T8300] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.652858][ T8300] ? p9_pollwait+0x182/0x210 [ 104.657420][ T8300] ? pipe_poll+0xc8/0x6b0 [ 104.661717][ T8300] ? ksys_dup3+0x2e0/0x2e0 [ 104.666103][ T8300] ? p9_fd_poll+0x19b/0x2a0 [ 104.670591][ T8300] ? p9_conn_create+0x3a5/0x4f0 [ 104.675425][ T8300] ? p9_conn_create+0x4f0/0x4f0 [ 104.680250][ T8300] p9_client_create+0x7fb/0x10f0 [ 104.685165][ T8300] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.691200][ T8300] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.696713][ T8300] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.702745][ T8300] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.708525][ T8300] ? lockdep_init_map_waits+0x270/0x870 [ 104.714046][ T8300] v9fs_session_init+0x1ed/0x14c0 [ 104.719037][ T8300] ? v9fs_session_init+0x1ed/0x14c0 [ 104.724207][ T8300] ? find_held_lock+0x36/0x1d0 [ 104.728945][ T8300] ? v9fs_show_options+0x6c0/0x6c0 [ 104.734024][ T8300] ? __kasan_check_read+0x11/0x20 [ 104.739019][ T8300] ? v9fs_mount+0x55/0x7f0 [ 104.743404][ T8300] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.748922][ T8300] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.754959][ T8300] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.760739][ T8300] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.766268][ T8300] ? apparmor_task_alloc+0x2f0/0x2f0 [ 104.771524][ T8300] v9fs_mount+0x72/0x7f0 [ 104.775738][ T8300] ? v9fs_write_inode+0x50/0x50 [ 104.780558][ T8300] legacy_get_tree+0x103/0x1f0 [ 104.785297][ T8300] vfs_get_tree+0x8b/0x2d0 [ 104.789681][ T8300] ? capable+0x14/0x20 [ 104.793722][ T8300] do_mount+0x1272/0x1c30 [ 104.798020][ T8300] ? lock_downgrade+0x960/0x960 [ 104.802842][ T8300] ? copy_mount_string+0x20/0x20 [ 104.807757][ T8300] ? __kasan_check_write+0x14/0x20 [ 104.812836][ T8300] ? _copy_from_user+0xc5/0x110 [ 104.817658][ T8300] __x64_sys_mount+0x169/0x1c0 [ 104.822392][ T8300] do_syscall_64+0xd0/0x630 [ 104.826867][ T8300] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 104.832728][ T8300] RIP: 0033:0x458da9 [ 104.836595][ T8300] 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 [ 104.856169][ T8300] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.864556][ T8300] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 104.872508][ T8300] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 104.880460][ T8300] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 104.888402][ T8300] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 104.896342][ T8300] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 104.904302][ T8302] CPU: 0 PID: 8302 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 104.912873][ T8302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.922923][ T8302] Call Trace: [ 104.926202][ T8302] dump_stack+0x12d/0x187 [ 104.930528][ T8302] should_fail.cold.4+0x5/0x13 [ 104.935277][ T8302] ? stack_trace_save+0x82/0xb0 [ 104.940119][ T8302] ? fault_create_debugfs_attr+0x150/0x150 [ 104.945924][ T8302] __should_failslab+0xba/0xf0 [ 104.950676][ T8302] should_failslab+0x9/0x14 [ 104.955167][ T8302] kmem_cache_alloc+0x47/0x760 [ 104.959913][ T8302] ? __kasan_check_read+0x11/0x20 [ 104.964912][ T8302] ? mark_lock+0xbf/0x630 [ 104.969223][ T8302] ? legacy_get_tree+0x103/0x1f0 [ 104.970828][ T8312] FAULT_INJECTION: forcing a failure. [ 104.970828][ T8312] name failslab, interval 1, probability 0, space 0, times 0 [ 104.974145][ T8302] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 104.993075][ T8302] idr_get_free+0x35d/0x880 [ 104.997552][ T8302] ? mark_held_locks+0x130/0x130 [ 105.002468][ T8302] idr_alloc_u32+0x13a/0x330 [ 105.007032][ T8302] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 105.012544][ T8302] ? lock_acquire+0x209/0x9e0 [ 105.017195][ T8302] ? __kasan_check_write+0x14/0x20 [ 105.022291][ T8302] ? do_raw_spin_lock+0x132/0x2e0 [ 105.027288][ T8302] idr_alloc+0x7d/0xc0 [ 105.031326][ T8302] ? idr_alloc_u32+0x330/0x330 [ 105.036067][ T8302] p9_client_prepare_req.part.5+0x571/0x670 [ 105.041933][ T8302] p9_client_rpc+0x174/0xe50 [ 105.046525][ T8302] ? p9_client_prepare_req.part.5+0x670/0x670 [ 105.052562][ T8302] ? p9_pollwait+0x182/0x210 [ 105.057125][ T8302] ? pipe_poll+0xc8/0x6b0 [ 105.061443][ T8302] ? ksys_dup3+0x2e0/0x2e0 [ 105.065842][ T8302] ? p9_fd_poll+0x19b/0x2a0 [ 105.070316][ T8302] ? p9_conn_create+0x3a5/0x4f0 [ 105.075154][ T8302] ? p9_conn_create+0x4f0/0x4f0 [ 105.079980][ T8302] p9_client_create+0x7fb/0x10f0 [ 105.084905][ T8302] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 105.090939][ T8302] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.096455][ T8302] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.102488][ T8302] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.108266][ T8302] ? lockdep_init_map_waits+0x270/0x870 [ 105.113788][ T8302] v9fs_session_init+0x1ed/0x14c0 [ 105.118869][ T8302] ? v9fs_session_init+0x1ed/0x14c0 [ 105.124036][ T8302] ? find_held_lock+0x36/0x1d0 [ 105.128776][ T8302] ? v9fs_show_options+0x6c0/0x6c0 [ 105.133942][ T8302] ? __kasan_check_read+0x11/0x20 [ 105.138938][ T8302] ? v9fs_mount+0x55/0x7f0 [ 105.143330][ T8302] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.148844][ T8302] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.154876][ T8302] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.160655][ T8302] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.166171][ T8302] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.171427][ T8302] v9fs_mount+0x72/0x7f0 [ 105.175642][ T8302] ? v9fs_write_inode+0x50/0x50 [ 105.180463][ T8302] legacy_get_tree+0x103/0x1f0 [ 105.185201][ T8302] vfs_get_tree+0x8b/0x2d0 [ 105.189599][ T8302] ? capable+0x14/0x20 [ 105.193652][ T8302] do_mount+0x1272/0x1c30 [ 105.197948][ T8302] ? lock_downgrade+0x960/0x960 [ 105.202774][ T8302] ? copy_mount_string+0x20/0x20 [ 105.207708][ T8302] ? __kasan_check_write+0x14/0x20 [ 105.212789][ T8302] ? _copy_from_user+0xc5/0x110 [ 105.217614][ T8302] __x64_sys_mount+0x169/0x1c0 [ 105.222363][ T8302] do_syscall_64+0xd0/0x630 [ 105.226839][ T8302] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 105.232699][ T8302] RIP: 0033:0x458da9 [ 105.236568][ T8302] 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 [ 105.256145][ T8302] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.264524][ T8302] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 105.272466][ T8302] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.280408][ T8302] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.288367][ T8302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 105.296334][ T8302] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.304303][ T8312] CPU: 1 PID: 8312 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 105.312878][ T8312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.322931][ T8312] Call Trace: [ 105.326216][ T8312] dump_stack+0x12d/0x187 [ 105.330545][ T8312] should_fail.cold.4+0x5/0x13 [ 105.335301][ T8312] ? stack_trace_save+0x82/0xb0 [ 105.340139][ T8312] ? fault_create_debugfs_attr+0x150/0x150 [ 105.341244][ T8319] FAULT_INJECTION: forcing a failure. [ 105.341244][ T8319] name failslab, interval 1, probability 0, space 0, times 0 [ 105.345940][ T8312] __should_failslab+0xba/0xf0 [ 105.364255][ T8312] should_failslab+0x9/0x14 [ 105.368729][ T8312] kmem_cache_alloc+0x47/0x760 [ 105.373461][ T8312] ? __kasan_check_read+0x11/0x20 [ 105.378453][ T8312] ? mark_lock+0xbf/0x630 [ 105.382756][ T8312] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 105.390095][ T8312] idr_get_free+0x35d/0x880 [ 105.394574][ T8312] ? mark_held_locks+0x130/0x130 [ 105.399501][ T8312] idr_alloc_u32+0x13a/0x330 [ 105.404077][ T8312] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 105.409601][ T8312] ? lock_acquire+0x209/0x9e0 [ 105.414258][ T8312] ? __kasan_check_write+0x14/0x20 [ 105.419353][ T8312] ? do_raw_spin_lock+0x132/0x2e0 [ 105.424352][ T8312] idr_alloc+0x7d/0xc0 [ 105.428391][ T8312] ? idr_alloc_u32+0x330/0x330 [ 105.433141][ T8312] p9_client_prepare_req.part.5+0x571/0x670 [ 105.439006][ T8312] p9_client_rpc+0x174/0xe50 [ 105.443569][ T8312] ? p9_client_prepare_req.part.5+0x670/0x670 [ 105.449622][ T8312] ? p9_pollwait+0x182/0x210 [ 105.454184][ T8312] ? pipe_poll+0xc8/0x6b0 [ 105.458484][ T8312] ? ksys_dup3+0x2e0/0x2e0 [ 105.462871][ T8312] ? p9_fd_poll+0x19b/0x2a0 [ 105.467362][ T8312] ? p9_conn_create+0x3a5/0x4f0 [ 105.472210][ T8312] ? p9_conn_create+0x4f0/0x4f0 [ 105.477035][ T8312] p9_client_create+0x7fb/0x10f0 [ 105.481947][ T8312] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 105.487982][ T8312] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.493495][ T8312] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.499529][ T8312] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.505481][ T8312] ? lockdep_init_map_waits+0x270/0x870 [ 105.511003][ T8312] v9fs_session_init+0x1ed/0x14c0 [ 105.515998][ T8312] ? v9fs_session_init+0x1ed/0x14c0 [ 105.521175][ T8312] ? find_held_lock+0x36/0x1d0 [ 105.525919][ T8312] ? v9fs_show_options+0x6c0/0x6c0 [ 105.530998][ T8312] ? __kasan_check_read+0x11/0x20 [ 105.535992][ T8312] ? v9fs_mount+0x55/0x7f0 [ 105.540396][ T8312] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.545919][ T8312] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.551973][ T8312] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.557791][ T8312] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.563320][ T8312] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.568579][ T8312] v9fs_mount+0x72/0x7f0 [ 105.572814][ T8312] ? v9fs_write_inode+0x50/0x50 [ 105.577642][ T8312] legacy_get_tree+0x103/0x1f0 [ 105.582384][ T8312] vfs_get_tree+0x8b/0x2d0 [ 105.586776][ T8312] ? capable+0x14/0x20 [ 105.590821][ T8312] do_mount+0x1272/0x1c30 [ 105.595124][ T8312] ? lock_downgrade+0x960/0x960 [ 105.599949][ T8312] ? copy_mount_string+0x20/0x20 [ 105.604862][ T8312] ? __kasan_check_write+0x14/0x20 [ 105.609947][ T8312] ? _copy_from_user+0xc5/0x110 [ 105.614772][ T8312] __x64_sys_mount+0x169/0x1c0 [ 105.619510][ T8312] do_syscall_64+0xd0/0x630 [ 105.623986][ T8312] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 105.629849][ T8312] RIP: 0033:0x458da9 [ 105.633715][ T8312] 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 [ 105.653288][ T8312] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.661679][ T8312] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 105.669619][ T8312] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.677562][ T8312] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.685589][ T8312] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 105.693529][ T8312] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.701490][ T8319] CPU: 0 PID: 8319 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 105.710063][ T8319] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.720112][ T8319] Call Trace: [ 105.723401][ T8319] dump_stack+0x12d/0x187 [ 105.727729][ T8319] should_fail.cold.4+0x5/0x13 [ 105.732490][ T8319] ? fault_create_debugfs_attr+0x150/0x150 [ 105.738311][ T8319] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 105.744885][ T8319] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.750423][ T8319] __should_failslab+0xba/0xf0 [ 105.755183][ T8319] should_failslab+0x9/0x14 [ 105.759680][ T8319] kmem_cache_alloc+0x47/0x760 [ 105.764430][ T8319] ? __kasan_check_read+0x11/0x20 [ 105.769447][ T8319] ? mark_lock+0xbf/0x630 [ 105.773767][ T8319] ? legacy_get_tree+0x103/0x1f0 [ 105.778695][ T8319] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 105.785098][ T8319] idr_get_free+0x35d/0x880 [ 105.789604][ T8319] idr_alloc_u32+0x13a/0x330 [ 105.794185][ T8319] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 105.799716][ T8319] ? lock_acquire+0x209/0x9e0 [ 105.804381][ T8319] ? __kasan_check_write+0x14/0x20 [ 105.809472][ T8319] ? do_raw_spin_lock+0x132/0x2e0 [ 105.814486][ T8319] idr_alloc+0x7d/0xc0 [ 105.814546][ T8299] 9pnet: Insufficient options for proto=fd [ 105.818531][ T8319] ? idr_alloc_u32+0x330/0x330 [ 105.818546][ T8319] p9_client_prepare_req.part.5+0x571/0x670 [ 105.818559][ T8319] p9_client_rpc+0x174/0xe50 [ 105.818570][ T8319] ? p9_client_prepare_req.part.5+0x670/0x670 [ 105.845575][ T8319] ? p9_pollwait+0x182/0x210 [ 105.850161][ T8319] ? pipe_poll+0xc8/0x6b0 [ 105.854518][ T8319] ? ksys_dup3+0x2e0/0x2e0 [ 105.858926][ T8319] ? p9_fd_poll+0x19b/0x2a0 [ 105.863422][ T8319] ? p9_conn_create+0x3a5/0x4f0 [ 105.868265][ T8319] ? p9_conn_create+0x4f0/0x4f0 [ 105.873109][ T8319] p9_client_create+0x7fb/0x10f0 [ 105.878048][ T8319] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 105.884109][ T8319] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.889649][ T8319] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.895699][ T8319] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.901502][ T8319] ? lockdep_init_map_waits+0x270/0x870 [ 105.907044][ T8319] v9fs_session_init+0x1ed/0x14c0 [ 105.912054][ T8319] ? v9fs_session_init+0x1ed/0x14c0 [ 105.917246][ T8319] ? find_held_lock+0x36/0x1d0 [ 105.921816][ T8330] FAULT_INJECTION: forcing a failure. [ 105.921816][ T8330] name failslab, interval 1, probability 0, space 0, times 0 [ 105.921999][ T8319] ? v9fs_show_options+0x6c0/0x6c0 [ 105.941061][ T8319] ? __kasan_check_read+0x11/0x20 [ 105.946074][ T8319] ? v9fs_mount+0x55/0x7f0 [ 105.950465][ T8319] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.955983][ T8319] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.962017][ T8319] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.967816][ T8319] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.973334][ T8319] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.978601][ T8319] v9fs_mount+0x72/0x7f0 [ 105.982817][ T8319] ? v9fs_write_inode+0x50/0x50 [ 105.987657][ T8319] legacy_get_tree+0x103/0x1f0 [ 105.992397][ T8319] vfs_get_tree+0x8b/0x2d0 [ 105.996786][ T8319] ? capable+0x14/0x20 [ 106.000828][ T8319] do_mount+0x1272/0x1c30 [ 106.005129][ T8319] ? lock_downgrade+0x960/0x960 [ 106.009952][ T8319] ? copy_mount_string+0x20/0x20 [ 106.014867][ T8319] ? __kasan_check_write+0x14/0x20 [ 106.019955][ T8319] ? _copy_from_user+0xc5/0x110 [ 106.024778][ T8319] __x64_sys_mount+0x169/0x1c0 [ 106.029534][ T8319] do_syscall_64+0xd0/0x630 [ 106.034013][ T8319] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 106.039875][ T8319] RIP: 0033:0x458da9 [ 106.043758][ T8319] 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 [ 106.063337][ T8319] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 106.071726][ T8319] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 106.079668][ T8319] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 106.087614][ T8319] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 106.095558][ T8319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 106.103504][ T8319] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 106.111479][ T8330] CPU: 1 PID: 8330 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 106.120051][ T8330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.129676][ T8333] FAULT_INJECTION: forcing a failure. [ 106.129676][ T8333] name failslab, interval 1, probability 0, space 0, times 0 [ 106.130184][ T8330] Call Trace: [ 106.145995][ T8330] dump_stack+0x12d/0x187 [ 106.150302][ T8330] should_fail.cold.4+0x5/0x13 [ 106.155042][ T8330] ? fault_create_debugfs_attr+0x150/0x150 [ 106.160820][ T8330] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 106.167389][ T8330] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.172911][ T8330] __should_failslab+0xba/0xf0 [ 106.177647][ T8330] should_failslab+0x9/0x14 [ 106.182138][ T8330] kmem_cache_alloc+0x47/0x760 [ 106.186871][ T8330] ? __kasan_check_read+0x11/0x20 [ 106.191868][ T8330] ? mark_lock+0xbf/0x630 [ 106.196168][ T8330] ? legacy_get_tree+0x103/0x1f0 [ 106.201078][ T8330] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 106.207464][ T8330] idr_get_free+0x35d/0x880 [ 106.211949][ T8330] idr_alloc_u32+0x13a/0x330 [ 106.216514][ T8330] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 106.222140][ T8330] ? lock_acquire+0x209/0x9e0 [ 106.226805][ T8330] ? __kasan_check_write+0x14/0x20 [ 106.231891][ T8330] ? do_raw_spin_lock+0x132/0x2e0 [ 106.236904][ T8330] idr_alloc+0x7d/0xc0 [ 106.240945][ T8330] ? idr_alloc_u32+0x330/0x330 [ 106.245702][ T8330] p9_client_prepare_req.part.5+0x571/0x670 [ 106.251567][ T8330] p9_client_rpc+0x174/0xe50 [ 106.256135][ T8330] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.262173][ T8330] ? p9_pollwait+0x182/0x210 [ 106.266737][ T8330] ? pipe_poll+0xc8/0x6b0 [ 106.271038][ T8330] ? ksys_dup3+0x2e0/0x2e0 [ 106.275428][ T8330] ? p9_fd_poll+0x19b/0x2a0 [ 106.279906][ T8330] ? p9_conn_create+0x3a5/0x4f0 [ 106.284745][ T8330] ? p9_conn_create+0x4f0/0x4f0 [ 106.289573][ T8330] p9_client_create+0x7fb/0x10f0 [ 106.294492][ T8330] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.300630][ T8330] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.306253][ T8330] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.312304][ T8330] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.318089][ T8330] ? lockdep_init_map_waits+0x270/0x870 [ 106.323613][ T8330] v9fs_session_init+0x1ed/0x14c0 [ 106.328606][ T8330] ? v9fs_session_init+0x1ed/0x14c0 [ 106.333793][ T8330] ? find_held_lock+0x36/0x1d0 [ 106.338646][ T8330] ? v9fs_show_options+0x6c0/0x6c0 [ 106.343726][ T8330] ? __kasan_check_read+0x11/0x20 [ 106.348724][ T8330] ? v9fs_mount+0x55/0x7f0 [ 106.353113][ T8330] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.358628][ T8330] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.364751][ T8330] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.370548][ T8330] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.376066][ T8330] ? apparmor_task_alloc+0x2f0/0x2f0 [ 106.381327][ T8330] v9fs_mount+0x72/0x7f0 [ 106.385559][ T8330] ? v9fs_write_inode+0x50/0x50 [ 106.390384][ T8330] legacy_get_tree+0x103/0x1f0 [ 106.395120][ T8330] vfs_get_tree+0x8b/0x2d0 [ 106.399508][ T8330] ? capable+0x14/0x20 [ 106.403563][ T8330] do_mount+0x1272/0x1c30 [ 106.407869][ T8330] ? lock_downgrade+0x960/0x960 [ 106.412698][ T8330] ? copy_mount_string+0x20/0x20 [ 106.417616][ T8330] ? __kasan_check_write+0x14/0x20 [ 106.422700][ T8330] ? _copy_from_user+0xc5/0x110 [ 106.427630][ T8330] __x64_sys_mount+0x169/0x1c0 [ 106.432372][ T8330] do_syscall_64+0xd0/0x630 [ 106.436853][ T8330] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 106.442720][ T8330] RIP: 0033:0x458da9 [ 106.446591][ T8330] 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 [ 106.466177][ T8330] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 106.474560][ T8330] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 106.482532][ T8330] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 106.490491][ T8330] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 106.498445][ T8330] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 106.506390][ T8330] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 106.514471][ T8333] CPU: 0 PID: 8333 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 106.523042][ T8333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.533089][ T8333] Call Trace: [ 106.536374][ T8333] dump_stack+0x12d/0x187 [ 106.540699][ T8333] should_fail.cold.4+0x5/0x13 [ 106.545457][ T8333] ? fault_create_debugfs_attr+0x150/0x150 [ 106.551253][ T8333] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 106.557832][ T8333] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.563370][ T8333] __should_failslab+0xba/0xf0 [ 106.568128][ T8333] should_failslab+0x9/0x14 [ 106.572625][ T8333] kmem_cache_alloc+0x47/0x760 [ 106.577381][ T8333] ? __kasan_check_read+0x11/0x20 [ 106.582399][ T8333] ? mark_lock+0xbf/0x630 [ 106.586723][ T8333] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 106.593168][ T8333] idr_get_free+0x35d/0x880 [ 106.597681][ T8333] idr_alloc_u32+0x13a/0x330 [ 106.602272][ T8333] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 106.607815][ T8333] ? lock_acquire+0x209/0x9e0 [ 106.612491][ T8333] ? __kasan_check_write+0x14/0x20 [ 106.617602][ T8333] ? do_raw_spin_lock+0x132/0x2e0 [ 106.622622][ T8333] idr_alloc+0x7d/0xc0 [ 106.624017][ T8344] 9pnet: Insufficient options for proto=fd [ 106.626676][ T8333] ? idr_alloc_u32+0x330/0x330 [ 106.626692][ T8333] p9_client_prepare_req.part.5+0x571/0x670 [ 106.626705][ T8333] p9_client_rpc+0x174/0xe50 [ 106.626717][ T8333] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.626728][ T8333] ? p9_pollwait+0x182/0x210 [ 106.626740][ T8333] ? pipe_poll+0xc8/0x6b0 [ 106.626746][ T8333] ? ksys_dup3+0x2e0/0x2e0 [ 106.626755][ T8333] ? p9_fd_poll+0x19b/0x2a0 [ 106.626765][ T8333] ? p9_conn_create+0x3a5/0x4f0 [ 106.672083][ T8348] FAULT_INJECTION: forcing a failure. [ 106.672083][ T8348] name failslab, interval 1, probability 0, space 0, times 0 [ 106.676454][ T8333] ? p9_conn_create+0x4f0/0x4f0 [ 106.693823][ T8333] p9_client_create+0x7fb/0x10f0 [ 106.698737][ T8333] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.704775][ T8333] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.710293][ T8333] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.716331][ T8333] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.722116][ T8333] ? lockdep_init_map_waits+0x270/0x870 [ 106.727641][ T8333] v9fs_session_init+0x1ed/0x14c0 [ 106.732636][ T8333] ? v9fs_session_init+0x1ed/0x14c0 [ 106.737806][ T8333] ? find_held_lock+0x36/0x1d0 [ 106.742545][ T8333] ? v9fs_show_options+0x6c0/0x6c0 [ 106.747629][ T8333] ? __kasan_check_read+0x11/0x20 [ 106.752626][ T8333] ? v9fs_mount+0x55/0x7f0 [ 106.757038][ T8333] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.762560][ T8333] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.768597][ T8333] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.774379][ T8333] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.779897][ T8333] ? apparmor_task_alloc+0x2f0/0x2f0 [ 106.785156][ T8333] v9fs_mount+0x72/0x7f0 [ 106.789373][ T8333] ? v9fs_write_inode+0x50/0x50 [ 106.794194][ T8333] legacy_get_tree+0x103/0x1f0 [ 106.798933][ T8333] vfs_get_tree+0x8b/0x2d0 [ 106.803322][ T8333] ? capable+0x14/0x20 [ 106.807362][ T8333] do_mount+0x1272/0x1c30 [ 106.811661][ T8333] ? lock_downgrade+0x960/0x960 [ 106.816486][ T8333] ? copy_mount_string+0x20/0x20 [ 106.821400][ T8333] ? __kasan_check_write+0x14/0x20 [ 106.826488][ T8333] ? _copy_from_user+0xc5/0x110 [ 106.831313][ T8333] __x64_sys_mount+0x169/0x1c0 [ 106.836053][ T8333] do_syscall_64+0xd0/0x630 [ 106.840532][ T8333] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 106.846399][ T8333] RIP: 0033:0x458da9 [ 106.850268][ T8333] 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 [ 106.869857][ T8333] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 106.878238][ T8333] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 106.886183][ T8333] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 106.894127][ T8333] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 106.902072][ T8333] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 106.910026][ T8333] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 106.917989][ T8348] CPU: 1 PID: 8348 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 106.926562][ T8348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.936605][ T8348] Call Trace: [ 106.939884][ T8348] dump_stack+0x12d/0x187 [ 106.942899][ T8334] FAULT_INJECTION: forcing a failure. [ 106.942899][ T8334] name failslab, interval 1, probability 0, space 0, times 0 [ 106.944203][ T8348] should_fail.cold.4+0x5/0x13 [ 106.961502][ T8348] ? fault_create_debugfs_attr+0x150/0x150 [ 106.967290][ T8348] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 106.973869][ T8348] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.979398][ T8348] __should_failslab+0xba/0xf0 [ 106.984138][ T8348] should_failslab+0x9/0x14 [ 106.988616][ T8348] kmem_cache_alloc+0x47/0x760 [ 106.993349][ T8348] ? __kasan_check_read+0x11/0x20 [ 106.998346][ T8348] ? mark_lock+0xbf/0x630 [ 107.002645][ T8348] ? legacy_get_tree+0x103/0x1f0 [ 107.007575][ T8348] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 107.013962][ T8348] idr_get_free+0x35d/0x880 [ 107.018445][ T8348] idr_alloc_u32+0x13a/0x330 [ 107.023032][ T8348] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 107.028546][ T8348] ? lock_acquire+0x209/0x9e0 [ 107.033196][ T8348] ? __kasan_check_write+0x14/0x20 [ 107.038277][ T8348] ? do_raw_spin_lock+0x132/0x2e0 [ 107.043274][ T8348] idr_alloc+0x7d/0xc0 [ 107.047312][ T8348] ? idr_alloc_u32+0x330/0x330 [ 107.052052][ T8348] p9_client_prepare_req.part.5+0x571/0x670 [ 107.057937][ T8348] p9_client_rpc+0x174/0xe50 [ 107.062502][ T8348] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.068539][ T8348] ? p9_pollwait+0x182/0x210 [ 107.073102][ T8348] ? pipe_poll+0xc8/0x6b0 [ 107.077404][ T8348] ? ksys_dup3+0x2e0/0x2e0 [ 107.081793][ T8348] ? p9_fd_poll+0x19b/0x2a0 [ 107.086269][ T8348] ? p9_conn_create+0x3a5/0x4f0 [ 107.091094][ T8348] ? p9_conn_create+0x4f0/0x4f0 [ 107.095921][ T8348] p9_client_create+0x7fb/0x10f0 [ 107.100836][ T8348] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.106871][ T8348] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.112387][ T8348] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.118423][ T8348] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.124205][ T8348] ? lockdep_init_map_waits+0x270/0x870 [ 107.129728][ T8348] v9fs_session_init+0x1ed/0x14c0 [ 107.134724][ T8348] ? v9fs_session_init+0x1ed/0x14c0 [ 107.139896][ T8348] ? find_held_lock+0x36/0x1d0 [ 107.144636][ T8348] ? v9fs_show_options+0x6c0/0x6c0 [ 107.149715][ T8348] ? __kasan_check_read+0x11/0x20 [ 107.154708][ T8348] ? hidpp_get_device_name+0x170/0x3c0 [ 107.160139][ T8348] ? v9fs_mount+0x55/0x7f0 [ 107.164527][ T8348] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.170046][ T8348] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.176081][ T8348] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.181863][ T8348] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.187394][ T8348] ? apparmor_task_alloc+0x2f0/0x2f0 [ 107.192651][ T8348] v9fs_mount+0x72/0x7f0 [ 107.196868][ T8348] ? v9fs_write_inode+0x50/0x50 [ 107.201688][ T8348] legacy_get_tree+0x103/0x1f0 [ 107.206427][ T8348] vfs_get_tree+0x8b/0x2d0 [ 107.210834][ T8348] ? capable+0x14/0x20 [ 107.214876][ T8348] do_mount+0x1272/0x1c30 [ 107.219197][ T8348] ? lock_downgrade+0x960/0x960 [ 107.224032][ T8348] ? copy_mount_string+0x20/0x20 [ 107.228950][ T8348] ? __kasan_check_write+0x14/0x20 [ 107.234032][ T8348] ? _copy_from_user+0xc5/0x110 [ 107.238858][ T8348] __x64_sys_mount+0x169/0x1c0 [ 107.243595][ T8348] do_syscall_64+0xd0/0x630 [ 107.248073][ T8348] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 107.253935][ T8348] RIP: 0033:0x458da9 [ 107.257804][ T8348] 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 [ 107.277379][ T8348] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 107.285761][ T8348] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 107.293715][ T8348] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.301672][ T8348] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.309704][ T8348] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 107.317664][ T8348] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.325627][ T8334] CPU: 0 PID: 8334 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 107.334203][ T8334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.344249][ T8334] Call Trace: [ 107.347533][ T8334] dump_stack+0x12d/0x187 [ 107.351861][ T8334] should_fail.cold.4+0x5/0x13 [ 107.352663][ T8347] FAULT_INJECTION: forcing a failure. [ 107.352663][ T8347] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 107.356613][ T8334] ? fault_create_debugfs_attr+0x150/0x150 [ 107.375542][ T8334] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 107.382100][ T8334] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.387621][ T8334] __should_failslab+0xba/0xf0 [ 107.392355][ T8334] should_failslab+0x9/0x14 [ 107.396832][ T8334] kmem_cache_alloc+0x47/0x760 [ 107.401566][ T8334] ? __kasan_check_read+0x11/0x20 [ 107.406562][ T8334] ? mark_lock+0xbf/0x630 [ 107.410877][ T8334] ? legacy_get_tree+0x103/0x1f0 [ 107.415789][ T8334] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 107.422178][ T8334] idr_get_free+0x35d/0x880 [ 107.426661][ T8334] idr_alloc_u32+0x13a/0x330 [ 107.431225][ T8334] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 107.436739][ T8334] ? lock_acquire+0x209/0x9e0 [ 107.441388][ T8334] ? __kasan_check_write+0x14/0x20 [ 107.446557][ T8334] ? do_raw_spin_lock+0x132/0x2e0 [ 107.451557][ T8334] idr_alloc+0x7d/0xc0 [ 107.455598][ T8334] ? idr_alloc_u32+0x330/0x330 [ 107.460339][ T8334] p9_client_prepare_req.part.5+0x571/0x670 [ 107.466208][ T8334] p9_client_rpc+0x174/0xe50 [ 107.470772][ T8334] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.476811][ T8334] ? p9_pollwait+0x182/0x210 [ 107.481377][ T8334] ? pipe_poll+0xc8/0x6b0 [ 107.485678][ T8334] ? ksys_dup3+0x2e0/0x2e0 [ 107.490068][ T8334] ? p9_fd_poll+0x19b/0x2a0 [ 107.494544][ T8334] ? p9_conn_create+0x3a5/0x4f0 [ 107.499368][ T8334] ? p9_conn_create+0x4f0/0x4f0 [ 107.504196][ T8334] p9_client_create+0x7fb/0x10f0 [ 107.509109][ T8334] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.515145][ T8334] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.520675][ T8334] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.526712][ T8334] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.532504][ T8334] ? lockdep_init_map_waits+0x270/0x870 [ 107.538029][ T8334] v9fs_session_init+0x1ed/0x14c0 [ 107.543022][ T8334] ? v9fs_session_init+0x1ed/0x14c0 [ 107.548195][ T8334] ? find_held_lock+0x36/0x1d0 [ 107.552936][ T8334] ? v9fs_show_options+0x6c0/0x6c0 [ 107.558018][ T8334] ? __kasan_check_read+0x11/0x20 [ 107.563191][ T8334] ? v9fs_mount+0x55/0x7f0 [ 107.567685][ T8334] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.573207][ T8334] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.579246][ T8334] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.585037][ T8334] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.590585][ T8334] ? apparmor_task_alloc+0x2f0/0x2f0 [ 107.595847][ T8334] v9fs_mount+0x72/0x7f0 [ 107.600068][ T8334] ? v9fs_write_inode+0x50/0x50 [ 107.604891][ T8334] legacy_get_tree+0x103/0x1f0 [ 107.609634][ T8334] vfs_get_tree+0x8b/0x2d0 [ 107.614022][ T8334] ? capable+0x14/0x20 [ 107.618090][ T8334] do_mount+0x1272/0x1c30 [ 107.622392][ T8334] ? lock_downgrade+0x960/0x960 [ 107.627217][ T8334] ? copy_mount_string+0x20/0x20 [ 107.632152][ T8334] ? __kasan_check_write+0x14/0x20 [ 107.637236][ T8334] ? _copy_from_user+0xc5/0x110 [ 107.642064][ T8334] __x64_sys_mount+0x169/0x1c0 [ 107.646803][ T8334] do_syscall_64+0xd0/0x630 [ 107.651291][ T8334] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 107.657156][ T8334] RIP: 0033:0x458da9 [ 107.661025][ T8334] 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 [ 107.680718][ T8334] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 107.689100][ T8334] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 107.697044][ T8334] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.704987][ T8334] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.712951][ T8334] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 107.720983][ T8334] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.728945][ T8347] CPU: 1 PID: 8347 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 107.737521][ T8347] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.747565][ T8347] Call Trace: [ 107.750847][ T8347] dump_stack+0x12d/0x187 [ 107.755176][ T8347] should_fail.cold.4+0x5/0x13 [ 107.759935][ T8347] ? fault_create_debugfs_attr+0x150/0x150 [ 107.765820][ T8347] ? kernel_text_address+0x79/0xf0 [ 107.770922][ T8347] ? __kernel_text_address+0xd/0x40 [ 107.776104][ T8347] ? unwind_get_return_address+0x61/0xa0 [ 107.781728][ T8347] should_fail_alloc_page+0x50/0x60 [ 107.786916][ T8347] __alloc_pages_nodemask+0x17f/0x880 [ 107.792280][ T8347] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 107.799206][ T8347] ? stack_trace_consume_entry+0x170/0x170 [ 107.805006][ T8347] ? fault_create_debugfs_attr+0x150/0x150 [ 107.805712][ T8359] FAULT_INJECTION: forcing a failure. [ 107.805712][ T8359] name failslab, interval 1, probability 0, space 0, times 0 [ 107.810798][ T8347] cache_grow_begin+0x92/0xc70 [ 107.828077][ T8347] ? kmem_cache_alloc+0x9c/0x760 [ 107.832988][ T8347] ? trace_hardirqs_off+0x41/0x1a0 [ 107.838073][ T8347] kmem_cache_alloc+0x691/0x760 [ 107.842895][ T8347] ? __kasan_check_read+0x11/0x20 [ 107.847891][ T8347] ? mark_lock+0xbf/0x630 [ 107.852195][ T8347] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 107.858582][ T8347] idr_get_free+0x35d/0x880 [ 107.863064][ T8347] ? mark_held_locks+0x130/0x130 [ 107.867977][ T8347] idr_alloc_u32+0x13a/0x330 [ 107.872540][ T8347] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 107.878157][ T8347] ? lock_acquire+0x209/0x9e0 [ 107.882808][ T8347] ? __kasan_check_write+0x14/0x20 [ 107.887892][ T8347] ? do_raw_spin_lock+0x132/0x2e0 [ 107.892891][ T8347] idr_alloc+0x7d/0xc0 [ 107.896932][ T8347] ? idr_alloc_u32+0x330/0x330 [ 107.901672][ T8347] p9_client_prepare_req.part.5+0x571/0x670 [ 107.907538][ T8347] p9_client_rpc+0x174/0xe50 [ 107.912107][ T8347] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.918147][ T8347] ? p9_pollwait+0x182/0x210 [ 107.922711][ T8347] ? pipe_poll+0xc8/0x6b0 [ 107.927010][ T8347] ? ksys_dup3+0x2e0/0x2e0 [ 107.931398][ T8347] ? p9_fd_poll+0x19b/0x2a0 [ 107.935872][ T8347] ? p9_conn_create+0x3a5/0x4f0 [ 107.940693][ T8347] ? p9_conn_create+0x4f0/0x4f0 [ 107.945522][ T8347] p9_client_create+0x7fb/0x10f0 [ 107.950435][ T8347] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.956472][ T8347] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.962099][ T8347] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.968154][ T8347] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.973938][ T8347] ? lockdep_init_map_waits+0x270/0x870 [ 107.979460][ T8347] v9fs_session_init+0x1ed/0x14c0 [ 107.984455][ T8347] ? v9fs_session_init+0x1ed/0x14c0 [ 107.989628][ T8347] ? find_held_lock+0x36/0x1d0 [ 107.994373][ T8347] ? v9fs_show_options+0x6c0/0x6c0 [ 107.999452][ T8347] ? __kasan_check_read+0x11/0x20 [ 108.004449][ T8347] ? v9fs_mount+0x55/0x7f0 [ 108.008837][ T8347] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.014354][ T8347] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.020387][ T8347] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.026171][ T8347] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.031688][ T8347] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.036949][ T8347] v9fs_mount+0x72/0x7f0 [ 108.041165][ T8347] ? v9fs_write_inode+0x50/0x50 [ 108.045988][ T8347] legacy_get_tree+0x103/0x1f0 [ 108.050724][ T8347] vfs_get_tree+0x8b/0x2d0 [ 108.055110][ T8347] ? capable+0x14/0x20 [ 108.059149][ T8347] do_mount+0x1272/0x1c30 [ 108.063449][ T8347] ? lock_downgrade+0x960/0x960 [ 108.068276][ T8347] ? copy_mount_string+0x20/0x20 [ 108.073192][ T8347] ? __kasan_check_write+0x14/0x20 [ 108.078275][ T8347] ? _copy_from_user+0xc5/0x110 [ 108.083105][ T8347] __x64_sys_mount+0x169/0x1c0 [ 108.087847][ T8347] do_syscall_64+0xd0/0x630 [ 108.092327][ T8347] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 108.098191][ T8347] RIP: 0033:0x458da9 [ 108.102058][ T8347] 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 [ 108.121638][ T8347] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.130020][ T8347] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 108.137963][ T8347] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.145907][ T8347] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 108.153958][ T8347] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 108.161901][ T8347] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 108.169880][ T8359] CPU: 0 PID: 8359 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 108.172196][ T27] audit: type=1804 audit(1587461104.441:20): pid=8359 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir903884808/syzkaller.tguwh7/27/file0" dev="sda1" ino=15964 res=1 [ 108.178455][ T8359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.211281][ T8359] Call Trace: [ 108.214579][ T8359] dump_stack+0x12d/0x187 [ 108.218907][ T8359] should_fail.cold.4+0x5/0x13 [ 108.223664][ T8359] ? fault_create_debugfs_attr+0x150/0x150 [ 108.229461][ T8359] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 108.236041][ T8359] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.241931][ T8359] __should_failslab+0xba/0xf0 [ 108.246686][ T8359] should_failslab+0x9/0x14 [ 108.251180][ T8359] kmem_cache_alloc+0x47/0x760 [ 108.255937][ T8359] ? __kasan_check_read+0x11/0x20 [ 108.260951][ T8359] ? mark_lock+0xbf/0x630 [ 108.265268][ T8359] ? legacy_get_tree+0x103/0x1f0 [ 108.270201][ T8359] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 108.276636][ T8359] idr_get_free+0x35d/0x880 [ 108.281144][ T8359] idr_alloc_u32+0x13a/0x330 [ 108.282760][ T8350] FAULT_INJECTION: forcing a failure. [ 108.282760][ T8350] name failslab, interval 1, probability 0, space 0, times 0 [ 108.285721][ T8359] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 108.303782][ T8359] ? lock_acquire+0x209/0x9e0 [ 108.308437][ T8359] ? __kasan_check_write+0x14/0x20 [ 108.313519][ T8359] ? do_raw_spin_lock+0x132/0x2e0 [ 108.318536][ T8359] idr_alloc+0x7d/0xc0 [ 108.322578][ T8359] ? idr_alloc_u32+0x330/0x330 [ 108.327318][ T8359] p9_client_prepare_req.part.5+0x571/0x670 [ 108.333186][ T8359] p9_client_rpc+0x174/0xe50 [ 108.337748][ T8359] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 108.343524][ T8359] ? __debug_object_init+0x4fc/0x10f0 [ 108.348881][ T8359] ? __kasan_check_read+0x11/0x20 [ 108.353883][ T8359] ? p9_client_prepare_req.part.5+0x670/0x670 [ 108.359929][ T8359] ? free_object+0x70/0x70 [ 108.364321][ T8359] ? ksys_dup3+0x2e0/0x2e0 [ 108.368718][ T8359] ? lockdep_init_map_waits+0x270/0x870 [ 108.374259][ T8359] ? __kasan_check_write+0x14/0x20 [ 108.379345][ T8359] ? p9_conn_create+0x3ce/0x4f0 [ 108.384171][ T8359] ? p9_conn_create+0x4f0/0x4f0 [ 108.389002][ T8359] p9_client_create+0x7fb/0x10f0 [ 108.393922][ T8359] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 108.399963][ T8359] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.405517][ T8359] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.411553][ T8359] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.417341][ T8359] ? lockdep_init_map_waits+0x270/0x870 [ 108.422922][ T8359] v9fs_session_init+0x1ed/0x14c0 [ 108.427933][ T8359] ? v9fs_session_init+0x1ed/0x14c0 [ 108.433115][ T8359] ? find_held_lock+0x36/0x1d0 [ 108.437864][ T8359] ? v9fs_show_options+0x6c0/0x6c0 [ 108.443034][ T8359] ? __kasan_check_read+0x11/0x20 [ 108.448033][ T8359] ? v9fs_mount+0x55/0x7f0 [ 108.452426][ T8359] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.457944][ T8359] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.463980][ T8359] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.469767][ T8359] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.475287][ T8359] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.480547][ T8359] v9fs_mount+0x72/0x7f0 [ 108.484763][ T8359] ? v9fs_write_inode+0x50/0x50 [ 108.489586][ T8359] legacy_get_tree+0x103/0x1f0 [ 108.494338][ T8359] vfs_get_tree+0x8b/0x2d0 [ 108.498729][ T8359] ? capable+0x14/0x20 [ 108.502771][ T8359] do_mount+0x1272/0x1c30 [ 108.507072][ T8359] ? lock_downgrade+0x960/0x960 [ 108.511897][ T8359] ? copy_mount_string+0x20/0x20 [ 108.516813][ T8359] ? __kasan_check_write+0x14/0x20 [ 108.521897][ T8359] ? _copy_from_user+0xc5/0x110 [ 108.526724][ T8359] __x64_sys_mount+0x169/0x1c0 [ 108.531462][ T8359] do_syscall_64+0xd0/0x630 [ 108.535942][ T8359] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 108.541807][ T8359] RIP: 0033:0x458da9 [ 108.545674][ T8359] 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 [ 108.565250][ T8359] RSP: 002b:00007fb943e34c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.573632][ T8359] RAX: ffffffffffffffda RBX: 00007fb943e34c90 RCX: 0000000000458da9 [ 108.581592][ T8359] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.589549][ T8359] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 108.597522][ T8359] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e356d4 [ 108.605470][ T8359] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 108.613540][ T8350] CPU: 1 PID: 8350 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 108.622117][ T8350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.632162][ T8350] Call Trace: [ 108.635440][ T8350] dump_stack+0x12d/0x187 [ 108.637230][ T8365] FAULT_INJECTION: forcing a failure. [ 108.637230][ T8365] name failslab, interval 1, probability 0, space 0, times 0 [ 108.639758][ T8350] should_fail.cold.4+0x5/0x13 [ 108.657041][ T8350] ? fault_create_debugfs_attr+0x150/0x150 [ 108.662819][ T8350] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 108.669398][ T8350] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.674937][ T8350] __should_failslab+0xba/0xf0 [ 108.679675][ T8350] should_failslab+0x9/0x14 [ 108.684155][ T8350] kmem_cache_alloc+0x47/0x760 [ 108.688888][ T8350] ? __kasan_check_read+0x11/0x20 [ 108.693883][ T8350] ? mark_lock+0xbf/0x630 [ 108.698210][ T8350] ? legacy_get_tree+0x103/0x1f0 [ 108.703122][ T8350] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 108.709513][ T8350] idr_get_free+0x35d/0x880 [ 108.713997][ T8350] idr_alloc_u32+0x13a/0x330 [ 108.718567][ T8350] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 108.724081][ T8350] ? lock_acquire+0x209/0x9e0 [ 108.728732][ T8350] ? __kasan_check_write+0x14/0x20 [ 108.733817][ T8350] ? do_raw_spin_lock+0x132/0x2e0 [ 108.738817][ T8350] idr_alloc+0x7d/0xc0 [ 108.742859][ T8350] ? idr_alloc_u32+0x330/0x330 [ 108.747600][ T8350] p9_client_prepare_req.part.5+0x571/0x670 [ 108.753469][ T8350] p9_client_rpc+0x174/0xe50 [ 108.758033][ T8350] ? p9_client_prepare_req.part.5+0x670/0x670 [ 108.764072][ T8350] ? p9_pollwait+0x182/0x210 [ 108.768638][ T8350] ? pipe_poll+0xc8/0x6b0 [ 108.772937][ T8350] ? ksys_dup3+0x2e0/0x2e0 [ 108.777327][ T8350] ? p9_fd_poll+0x19b/0x2a0 [ 108.781820][ T8350] ? p9_conn_create+0x3a5/0x4f0 [ 108.786654][ T8350] ? p9_conn_create+0x4f0/0x4f0 [ 108.791486][ T8350] p9_client_create+0x7fb/0x10f0 [ 108.796405][ T8350] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 108.802447][ T8350] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.807974][ T8350] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.814017][ T8350] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.819803][ T8350] ? lockdep_init_map_waits+0x270/0x870 [ 108.825334][ T8350] v9fs_session_init+0x1ed/0x14c0 [ 108.830333][ T8350] ? v9fs_session_init+0x1ed/0x14c0 [ 108.835516][ T8350] ? find_held_lock+0x36/0x1d0 [ 108.840255][ T8350] ? v9fs_show_options+0x6c0/0x6c0 [ 108.845358][ T8350] ? __kasan_check_read+0x11/0x20 [ 108.850362][ T8350] ? v9fs_mount+0x55/0x7f0 [ 108.854750][ T8350] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.860288][ T8350] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.866325][ T8350] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.872109][ T8350] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.877626][ T8350] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.882886][ T8350] v9fs_mount+0x72/0x7f0 [ 108.887100][ T8350] ? v9fs_write_inode+0x50/0x50 [ 108.891923][ T8350] legacy_get_tree+0x103/0x1f0 [ 108.896660][ T8350] vfs_get_tree+0x8b/0x2d0 [ 108.901047][ T8350] ? capable+0x14/0x20 [ 108.905091][ T8350] do_mount+0x1272/0x1c30 [ 108.909392][ T8350] ? lock_downgrade+0x960/0x960 [ 108.914214][ T8350] ? copy_mount_string+0x20/0x20 [ 108.919130][ T8350] ? __kasan_check_write+0x14/0x20 [ 108.924211][ T8350] ? _copy_from_user+0xc5/0x110 [ 108.929037][ T8350] __x64_sys_mount+0x169/0x1c0 [ 108.933774][ T8350] do_syscall_64+0xd0/0x630 [ 108.938252][ T8350] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 108.944132][ T8350] RIP: 0033:0x458da9 [ 108.948001][ T8350] 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 [ 108.967577][ T8350] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.975961][ T8350] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 2020/04/21 09:25:05 executed programs: 153 [ 108.983904][ T8350] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.991848][ T8350] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 108.999810][ T8350] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 109.007776][ T8350] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.015739][ T8365] CPU: 0 PID: 8365 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 109.024318][ T8365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.034365][ T8365] Call Trace: [ 109.037647][ T8365] dump_stack+0x12d/0x187 [ 109.041974][ T8365] should_fail.cold.4+0x5/0x13 [ 109.046730][ T8365] ? fault_create_debugfs_attr+0x150/0x150 [ 109.052528][ T8365] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 109.059104][ T8365] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.064646][ T8365] __should_failslab+0xba/0xf0 [ 109.069403][ T8365] should_failslab+0x9/0x14 [ 109.073896][ T8365] kmem_cache_alloc+0x47/0x760 [ 109.078650][ T8365] ? __kasan_check_read+0x11/0x20 [ 109.083756][ T8365] ? mark_lock+0xbf/0x630 [ 109.088081][ T8365] ? legacy_get_tree+0x103/0x1f0 [ 109.093018][ T8365] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 109.099429][ T8365] idr_get_free+0x35d/0x880 [ 109.103935][ T8365] idr_alloc_u32+0x13a/0x330 [ 109.108519][ T8365] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 109.114056][ T8365] ? lock_acquire+0x209/0x9e0 [ 109.118726][ T8365] ? __kasan_check_write+0x14/0x20 [ 109.123832][ T8365] ? do_raw_spin_lock+0x132/0x2e0 [ 109.128855][ T8365] idr_alloc+0x7d/0xc0 [ 109.132915][ T8365] ? idr_alloc_u32+0x330/0x330 [ 109.137676][ T8365] p9_client_prepare_req.part.5+0x571/0x670 [ 109.143565][ T8365] p9_client_rpc+0x174/0xe50 [ 109.148148][ T8365] ? p9_client_prepare_req.part.5+0x670/0x670 [ 109.154204][ T8365] ? p9_pollwait+0x182/0x210 [ 109.158786][ T8365] ? pipe_poll+0xc8/0x6b0 [ 109.163115][ T8365] ? ksys_dup3+0x2e0/0x2e0 [ 109.167257][ T8372] FAULT_INJECTION: forcing a failure. [ 109.167257][ T8372] name failslab, interval 1, probability 0, space 0, times 0 [ 109.167516][ T8365] ? p9_fd_poll+0x19b/0x2a0 [ 109.184554][ T8365] ? p9_conn_create+0x3a5/0x4f0 [ 109.189381][ T8365] ? p9_conn_create+0x4f0/0x4f0 [ 109.194209][ T8365] p9_client_create+0x7fb/0x10f0 [ 109.199123][ T8365] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 109.205161][ T8365] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.210678][ T8365] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.216715][ T8365] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.222500][ T8365] ? lockdep_init_map_waits+0x270/0x870 [ 109.228026][ T8365] v9fs_session_init+0x1ed/0x14c0 [ 109.233023][ T8365] ? v9fs_session_init+0x1ed/0x14c0 [ 109.238193][ T8365] ? find_held_lock+0x36/0x1d0 [ 109.242933][ T8365] ? v9fs_show_options+0x6c0/0x6c0 [ 109.248015][ T8365] ? __kasan_check_read+0x11/0x20 [ 109.253032][ T8365] ? v9fs_mount+0x55/0x7f0 [ 109.257424][ T8365] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.262941][ T8365] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.268979][ T8365] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.274776][ T8365] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.280296][ T8365] ? apparmor_task_alloc+0x2f0/0x2f0 [ 109.285556][ T8365] v9fs_mount+0x72/0x7f0 [ 109.289772][ T8365] ? v9fs_write_inode+0x50/0x50 [ 109.294611][ T8365] legacy_get_tree+0x103/0x1f0 [ 109.299352][ T8365] vfs_get_tree+0x8b/0x2d0 [ 109.303741][ T8365] ? capable+0x14/0x20 [ 109.307881][ T8365] do_mount+0x1272/0x1c30 [ 109.312182][ T8365] ? lock_downgrade+0x960/0x960 [ 109.317025][ T8365] ? copy_mount_string+0x20/0x20 [ 109.321940][ T8365] ? __kasan_check_write+0x14/0x20 [ 109.327022][ T8365] ? _copy_from_user+0xc5/0x110 [ 109.331851][ T8365] __x64_sys_mount+0x169/0x1c0 [ 109.336590][ T8365] do_syscall_64+0xd0/0x630 [ 109.341067][ T8365] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 109.346932][ T8365] RIP: 0033:0x458da9 [ 109.350803][ T8365] 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 [ 109.370379][ T8365] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 109.378777][ T8365] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 109.386723][ T8365] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 109.394776][ T8365] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 109.402720][ T8365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 109.410664][ T8365] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.418623][ T8372] CPU: 1 PID: 8372 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 109.427193][ T8372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.437233][ T8372] Call Trace: [ 109.440511][ T8372] dump_stack+0x12d/0x187 [ 109.444834][ T8372] should_fail.cold.4+0x5/0x13 [ 109.449588][ T8372] ? fault_create_debugfs_attr+0x150/0x150 [ 109.454330][ T8377] FAULT_INJECTION: forcing a failure. [ 109.454330][ T8377] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 109.455379][ T8372] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 109.475091][ T8372] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.480610][ T8372] __should_failslab+0xba/0xf0 [ 109.485347][ T8372] should_failslab+0x9/0x14 [ 109.489829][ T8372] kmem_cache_alloc+0x47/0x760 [ 109.494563][ T8372] ? __kasan_check_read+0x11/0x20 [ 109.499556][ T8372] ? mark_lock+0xbf/0x630 [ 109.503857][ T8372] ? legacy_get_tree+0x103/0x1f0 [ 109.508773][ T8372] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 109.515177][ T8372] idr_get_free+0x35d/0x880 [ 109.519663][ T8372] idr_alloc_u32+0x13a/0x330 [ 109.524226][ T8372] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 109.529742][ T8372] ? lock_acquire+0x209/0x9e0 [ 109.534394][ T8372] ? __kasan_check_write+0x14/0x20 [ 109.539477][ T8372] ? do_raw_spin_lock+0x132/0x2e0 [ 109.544476][ T8372] idr_alloc+0x7d/0xc0 [ 109.548532][ T8372] ? idr_alloc_u32+0x330/0x330 [ 109.553275][ T8372] p9_client_prepare_req.part.5+0x571/0x670 [ 109.559164][ T8372] p9_client_rpc+0x174/0xe50 [ 109.563747][ T8372] ? p9_client_prepare_req.part.5+0x670/0x670 [ 109.569794][ T8372] ? p9_pollwait+0x182/0x210 [ 109.574367][ T8372] ? pipe_poll+0xc8/0x6b0 [ 109.578678][ T8372] ? ksys_dup3+0x2e0/0x2e0 [ 109.583070][ T8372] ? p9_fd_poll+0x19b/0x2a0 [ 109.587551][ T8372] ? p9_conn_create+0x3a5/0x4f0 [ 109.592379][ T8372] ? p9_conn_create+0x4f0/0x4f0 [ 109.597212][ T8372] p9_client_create+0x7fb/0x10f0 [ 109.602128][ T8372] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 109.608165][ T8372] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.613682][ T8372] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.619716][ T8372] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.625512][ T8372] ? lockdep_init_map_waits+0x270/0x870 [ 109.631039][ T8372] v9fs_session_init+0x1ed/0x14c0 [ 109.636034][ T8372] ? v9fs_session_init+0x1ed/0x14c0 [ 109.641205][ T8372] ? find_held_lock+0x36/0x1d0 [ 109.645947][ T8372] ? v9fs_show_options+0x6c0/0x6c0 [ 109.651028][ T8372] ? __kasan_check_read+0x11/0x20 [ 109.656029][ T8372] ? v9fs_mount+0x55/0x7f0 [ 109.660416][ T8372] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.665954][ T8372] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.671991][ T8372] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.677773][ T8372] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.683292][ T8372] ? apparmor_task_alloc+0x2f0/0x2f0 [ 109.689419][ T8372] v9fs_mount+0x72/0x7f0 [ 109.693634][ T8372] ? v9fs_write_inode+0x50/0x50 [ 109.698555][ T8372] legacy_get_tree+0x103/0x1f0 [ 109.703292][ T8372] vfs_get_tree+0x8b/0x2d0 [ 109.707696][ T8372] ? capable+0x14/0x20 [ 109.711740][ T8372] do_mount+0x1272/0x1c30 [ 109.716041][ T8372] ? lock_downgrade+0x960/0x960 [ 109.720868][ T8372] ? copy_mount_string+0x20/0x20 [ 109.725782][ T8372] ? __kasan_check_write+0x14/0x20 [ 109.730869][ T8372] ? _copy_from_user+0xc5/0x110 [ 109.735696][ T8372] __x64_sys_mount+0x169/0x1c0 [ 109.740434][ T8372] do_syscall_64+0xd0/0x630 [ 109.744915][ T8372] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 109.750778][ T8372] RIP: 0033:0x458da9 [ 109.754646][ T8372] 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 [ 109.774308][ T8372] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 109.782689][ T8372] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 109.790633][ T8372] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 109.798574][ T8372] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 109.806520][ T8372] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 109.814465][ T8372] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.822429][ T8377] CPU: 0 PID: 8377 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 109.831009][ T8377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.841063][ T8377] Call Trace: [ 109.844350][ T8377] dump_stack+0x12d/0x187 [ 109.848677][ T8377] should_fail.cold.4+0x5/0x13 [ 109.853439][ T8377] ? fault_create_debugfs_attr+0x150/0x150 [ 109.859231][ T8377] ? kernel_text_address+0x79/0xf0 [ 109.864336][ T8377] ? __kernel_text_address+0xd/0x40 [ 109.869526][ T8377] ? unwind_get_return_address+0x61/0xa0 [ 109.875156][ T8377] should_fail_alloc_page+0x50/0x60 [ 109.880389][ T8377] __alloc_pages_nodemask+0x17f/0x880 [ 109.885762][ T8377] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 109.892690][ T8377] ? stack_trace_consume_entry+0x170/0x170 [ 109.898580][ T8377] ? fault_create_debugfs_attr+0x150/0x150 [ 109.904384][ T8377] cache_grow_begin+0x92/0xc70 [ 109.909134][ T8377] ? kmem_cache_alloc+0x9c/0x760 [ 109.914059][ T8377] ? trace_hardirqs_off+0x41/0x1a0 [ 109.919163][ T8377] kmem_cache_alloc+0x691/0x760 [ 109.924525][ T8377] ? __kasan_check_read+0x11/0x20 [ 109.929537][ T8377] ? mark_lock+0xbf/0x630 [ 109.933862][ T8377] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 109.940272][ T8377] idr_get_free+0x35d/0x880 [ 109.944782][ T8377] ? mark_held_locks+0x130/0x130 [ 109.949713][ T8377] idr_alloc_u32+0x13a/0x330 [ 109.954304][ T8377] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 109.959843][ T8377] ? lock_acquire+0x209/0x9e0 [ 109.964516][ T8377] ? __kasan_check_write+0x14/0x20 [ 109.969618][ T8377] ? do_raw_spin_lock+0x132/0x2e0 [ 109.974634][ T8377] idr_alloc+0x7d/0xc0 [ 109.978694][ T8377] ? idr_alloc_u32+0x330/0x330 [ 109.983459][ T8377] p9_client_prepare_req.part.5+0x571/0x670 [ 109.989354][ T8377] p9_client_rpc+0x174/0xe50 [ 109.994048][ T8377] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.000101][ T8377] ? p9_pollwait+0x182/0x210 [ 110.004680][ T8377] ? pipe_poll+0xc8/0x6b0 [ 110.008987][ T8377] ? ksys_dup3+0x2e0/0x2e0 [ 110.013386][ T8377] ? p9_fd_poll+0x19b/0x2a0 [ 110.017871][ T8377] ? p9_conn_create+0x3a5/0x4f0 [ 110.022705][ T8377] ? p9_conn_create+0x4f0/0x4f0 [ 110.027546][ T8377] p9_client_create+0x7fb/0x10f0 [ 110.032472][ T8377] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 110.038751][ T8377] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.044279][ T8377] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.050322][ T8377] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.056122][ T8377] ? lockdep_init_map_waits+0x270/0x870 [ 110.061662][ T8377] v9fs_session_init+0x1ed/0x14c0 [ 110.066685][ T8377] ? v9fs_session_init+0x1ed/0x14c0 [ 110.071867][ T8377] ? find_held_lock+0x36/0x1d0 [ 110.077313][ T8377] ? v9fs_show_options+0x6c0/0x6c0 [ 110.082490][ T8377] ? __kasan_check_read+0x11/0x20 [ 110.087496][ T8377] ? v9fs_mount+0x55/0x7f0 [ 110.091895][ T8377] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.097418][ T8377] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.103463][ T8377] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.109342][ T8377] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.115219][ T8377] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.120490][ T8377] v9fs_mount+0x72/0x7f0 [ 110.124724][ T8377] ? v9fs_write_inode+0x50/0x50 [ 110.129562][ T8377] legacy_get_tree+0x103/0x1f0 [ 110.134312][ T8377] vfs_get_tree+0x8b/0x2d0 [ 110.138711][ T8377] ? capable+0x14/0x20 [ 110.142783][ T8377] do_mount+0x1272/0x1c30 [ 110.147269][ T8377] ? lock_downgrade+0x960/0x960 [ 110.152106][ T8377] ? copy_mount_string+0x20/0x20 [ 110.157032][ T8377] ? __kasan_check_write+0x14/0x20 [ 110.162157][ T8377] ? _copy_from_user+0xc5/0x110 [ 110.166997][ T8377] __x64_sys_mount+0x169/0x1c0 [ 110.171751][ T8377] do_syscall_64+0xd0/0x630 [ 110.176240][ T8377] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 110.182201][ T8377] RIP: 0033:0x458da9 [ 110.186128][ T8377] 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 [ 110.206952][ T8377] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 110.215346][ T8377] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 110.223308][ T8377] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 110.232143][ T8377] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 110.241660][ T8377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 110.250329][ T8377] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 110.264590][ T8376] FAULT_INJECTION: forcing a failure. [ 110.264590][ T8376] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 110.275755][ T8378] FAULT_INJECTION: forcing a failure. [ 110.275755][ T8378] name failslab, interval 1, probability 0, space 0, times 0 [ 110.277782][ T8376] CPU: 0 PID: 8376 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 110.299229][ T8376] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.309357][ T8376] Call Trace: [ 110.313058][ T8376] dump_stack+0x12d/0x187 [ 110.317529][ T8376] should_fail.cold.4+0x5/0x13 [ 110.322265][ T8376] ? v9fs_mount+0x72/0x7f0 [ 110.326659][ T8376] ? fault_create_debugfs_attr+0x150/0x150 [ 110.332451][ T8376] ? kernel_text_address+0x79/0xf0 [ 110.338843][ T8376] ? __kernel_text_address+0xd/0x40 [ 110.344103][ T8376] ? unwind_get_return_address+0x61/0xa0 [ 110.349716][ T8376] should_fail_alloc_page+0x50/0x60 [ 110.354892][ T8376] __alloc_pages_nodemask+0x17f/0x880 [ 110.360237][ T8376] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 110.367166][ T8376] ? fault_create_debugfs_attr+0x150/0x150 [ 110.373031][ T8376] cache_grow_begin+0x92/0xc70 [ 110.377871][ T8376] ? kmem_cache_alloc+0x9c/0x760 [ 110.382867][ T8376] ? trace_hardirqs_off+0x41/0x1a0 [ 110.391771][ T8376] kmem_cache_alloc+0x691/0x760 [ 110.396591][ T8376] ? __kasan_check_read+0x11/0x20 [ 110.401586][ T8376] ? mark_lock+0xbf/0x630 [ 110.405923][ T8376] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 110.412321][ T8376] idr_get_free+0x35d/0x880 [ 110.416811][ T8376] idr_alloc_u32+0x13a/0x330 [ 110.421378][ T8376] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 110.426906][ T8376] ? lock_acquire+0x209/0x9e0 [ 110.431563][ T8376] ? __kasan_check_write+0x14/0x20 [ 110.436645][ T8376] ? do_raw_spin_lock+0x132/0x2e0 [ 110.441641][ T8376] idr_alloc+0x7d/0xc0 [ 110.445682][ T8376] ? idr_alloc_u32+0x330/0x330 [ 110.450424][ T8376] p9_client_prepare_req.part.5+0x571/0x670 [ 110.456292][ T8376] p9_client_rpc+0x174/0xe50 [ 110.460878][ T8376] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.466916][ T8376] ? p9_pollwait+0x182/0x210 [ 110.471479][ T8376] ? pipe_poll+0xc8/0x6b0 [ 110.475786][ T8376] ? ksys_dup3+0x2e0/0x2e0 [ 110.480176][ T8376] ? p9_fd_poll+0x19b/0x2a0 [ 110.484667][ T8376] ? p9_conn_create+0x3a5/0x4f0 [ 110.489492][ T8376] ? p9_conn_create+0x4f0/0x4f0 [ 110.494319][ T8376] p9_client_create+0x7fb/0x10f0 [ 110.499235][ T8376] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 110.505271][ T8376] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.510791][ T8376] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.516929][ T8376] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.523670][ T8376] ? lockdep_init_map_waits+0x270/0x870 [ 110.529290][ T8376] v9fs_session_init+0x1ed/0x14c0 [ 110.534285][ T8376] ? v9fs_session_init+0x1ed/0x14c0 [ 110.539456][ T8376] ? find_held_lock+0x36/0x1d0 [ 110.544200][ T8376] ? v9fs_show_options+0x6c0/0x6c0 [ 110.549282][ T8376] ? __kasan_check_read+0x11/0x20 [ 110.554278][ T8376] ? state_show+0xe0/0x280 [ 110.558773][ T8376] ? v9fs_mount+0x55/0x7f0 [ 110.563164][ T8376] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.568682][ T8376] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.575182][ T8376] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.580974][ T8376] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.586509][ T8376] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.591778][ T8376] v9fs_mount+0x72/0x7f0 [ 110.595999][ T8376] ? v9fs_write_inode+0x50/0x50 [ 110.600821][ T8376] legacy_get_tree+0x103/0x1f0 [ 110.605562][ T8376] vfs_get_tree+0x8b/0x2d0 [ 110.609953][ T8376] ? capable+0x14/0x20 [ 110.613999][ T8376] do_mount+0x1272/0x1c30 [ 110.618306][ T8376] ? lock_downgrade+0x960/0x960 [ 110.623148][ T8376] ? copy_mount_string+0x20/0x20 [ 110.628066][ T8376] ? __kasan_check_write+0x14/0x20 [ 110.633152][ T8376] ? _copy_from_user+0xc5/0x110 [ 110.637978][ T8376] __x64_sys_mount+0x169/0x1c0 [ 110.642718][ T8376] do_syscall_64+0xd0/0x630 [ 110.647196][ T8376] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 110.653061][ T8376] RIP: 0033:0x458da9 [ 110.656929][ T8376] 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 [ 110.676506][ T8376] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 110.684887][ T8376] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 110.692846][ T8376] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 110.700816][ T8376] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 110.708762][ T8376] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 110.716793][ T8376] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 110.724757][ T8378] CPU: 1 PID: 8378 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 110.733333][ T8378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.743376][ T8378] Call Trace: [ 110.746659][ T8378] dump_stack+0x12d/0x187 [ 110.750979][ T8378] should_fail.cold.4+0x5/0x13 [ 110.755737][ T8378] ? fault_create_debugfs_attr+0x150/0x150 [ 110.761531][ T8378] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 110.768104][ T8378] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.773641][ T8378] __should_failslab+0xba/0xf0 [ 110.778394][ T8378] should_failslab+0x9/0x14 [ 110.782884][ T8378] kmem_cache_alloc+0x47/0x760 [ 110.787636][ T8378] ? __kasan_check_read+0x11/0x20 [ 110.792650][ T8378] ? mark_lock+0xbf/0x630 [ 110.796963][ T8378] ? legacy_get_tree+0x103/0x1f0 [ 110.801897][ T8378] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 110.808313][ T8378] idr_get_free+0x35d/0x880 [ 110.813078][ T8378] idr_alloc_u32+0x13a/0x330 [ 110.817662][ T8378] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 110.823198][ T8378] ? lock_acquire+0x209/0x9e0 [ 110.827875][ T8378] ? __kasan_check_write+0x14/0x20 [ 110.832963][ T8378] ? do_raw_spin_lock+0x132/0x2e0 [ 110.837993][ T8378] idr_alloc+0x7d/0xc0 [ 110.842042][ T8378] ? idr_alloc_u32+0x330/0x330 [ 110.846791][ T8378] p9_client_prepare_req.part.5+0x571/0x670 [ 110.852666][ T8378] p9_client_rpc+0x174/0xe50 [ 110.857253][ T8378] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.863301][ T8378] ? p9_pollwait+0x182/0x210 [ 110.868226][ T8378] ? pipe_poll+0xc8/0x6b0 [ 110.872540][ T8378] ? ksys_dup3+0x2e0/0x2e0 [ 110.877029][ T8378] ? p9_fd_poll+0x19b/0x2a0 [ 110.881513][ T8378] ? p9_conn_create+0x3a5/0x4f0 [ 110.886341][ T8378] ? p9_conn_create+0x4f0/0x4f0 [ 110.891179][ T8378] p9_client_create+0x7fb/0x10f0 [ 110.896099][ T8378] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 110.902148][ T8378] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.907674][ T8378] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.913723][ T8378] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.919515][ T8378] ? lockdep_init_map_waits+0x270/0x870 [ 110.925038][ T8378] v9fs_session_init+0x1ed/0x14c0 [ 110.930031][ T8378] ? v9fs_session_init+0x1ed/0x14c0 [ 110.935310][ T8378] ? find_held_lock+0x36/0x1d0 [ 110.940046][ T8378] ? v9fs_show_options+0x6c0/0x6c0 [ 110.945130][ T8378] ? __kasan_check_read+0x11/0x20 [ 110.950137][ T8378] ? mr_mfc_seq_next+0xb0/0x390 [ 110.954960][ T8378] ? v9fs_mount+0x55/0x7f0 [ 110.959346][ T8378] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.964861][ T8378] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.970897][ T8378] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.976674][ T8378] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.982197][ T8378] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.987459][ T8378] v9fs_mount+0x72/0x7f0 [ 110.991681][ T8378] ? v9fs_write_inode+0x50/0x50 [ 110.996508][ T8378] legacy_get_tree+0x103/0x1f0 [ 111.001250][ T8378] vfs_get_tree+0x8b/0x2d0 [ 111.005642][ T8378] ? capable+0x14/0x20 [ 111.009682][ T8378] do_mount+0x1272/0x1c30 [ 111.013981][ T8378] ? lock_downgrade+0x960/0x960 [ 111.018819][ T8378] ? copy_mount_string+0x20/0x20 [ 111.023732][ T8378] ? __kasan_check_write+0x14/0x20 [ 111.028827][ T8378] ? _copy_from_user+0xc5/0x110 [ 111.033658][ T8378] __x64_sys_mount+0x169/0x1c0 [ 111.038400][ T8378] do_syscall_64+0xd0/0x630 [ 111.042882][ T8378] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 111.048749][ T8378] RIP: 0033:0x458da9 [ 111.052622][ T8378] 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 [ 111.072217][ T8378] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 111.080713][ T8378] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 111.088655][ T8378] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 111.096600][ T8378] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 111.104543][ T8378] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 111.112488][ T8378] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 111.169900][ T8393] FAULT_INJECTION: forcing a failure. [ 111.169900][ T8393] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 111.182552][ T8395] FAULT_INJECTION: forcing a failure. [ 111.182552][ T8395] name failslab, interval 1, probability 0, space 0, times 0 [ 111.183098][ T8393] CPU: 1 PID: 8393 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 111.204203][ T8393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.214229][ T8393] Call Trace: [ 111.217490][ T8393] dump_stack+0x12d/0x187 [ 111.221795][ T8393] should_fail.cold.4+0x5/0x13 [ 111.226533][ T8393] ? fault_create_debugfs_attr+0x150/0x150 [ 111.232310][ T8393] ? kernel_text_address+0x79/0xf0 [ 111.237392][ T8393] ? __kernel_text_address+0xd/0x40 [ 111.242564][ T8393] ? unwind_get_return_address+0x61/0xa0 [ 111.248171][ T8393] should_fail_alloc_page+0x50/0x60 [ 111.253342][ T8393] __alloc_pages_nodemask+0x17f/0x880 [ 111.258691][ T8393] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 111.265605][ T8393] ? stack_trace_consume_entry+0x170/0x170 [ 111.271380][ T8393] ? fault_create_debugfs_attr+0x150/0x150 [ 111.277164][ T8393] cache_grow_begin+0x92/0xc70 [ 111.281898][ T8393] ? kmem_cache_alloc+0x9c/0x760 [ 111.286806][ T8393] ? trace_hardirqs_off+0x41/0x1a0 [ 111.291905][ T8393] kmem_cache_alloc+0x691/0x760 [ 111.296726][ T8393] ? __kasan_check_read+0x11/0x20 [ 111.301721][ T8393] ? mark_lock+0xbf/0x630 [ 111.306026][ T8393] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 111.312413][ T8393] idr_get_free+0x35d/0x880 [ 111.316895][ T8393] ? mark_held_locks+0x130/0x130 [ 111.321808][ T8393] idr_alloc_u32+0x13a/0x330 [ 111.326370][ T8393] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 111.331882][ T8393] ? lock_acquire+0x209/0x9e0 [ 111.336533][ T8393] ? __kasan_check_write+0x14/0x20 [ 111.341613][ T8393] ? do_raw_spin_lock+0x132/0x2e0 [ 111.346612][ T8393] idr_alloc+0x7d/0xc0 [ 111.350653][ T8393] ? idr_alloc_u32+0x330/0x330 [ 111.355394][ T8393] p9_client_prepare_req.part.5+0x571/0x670 [ 111.361259][ T8393] p9_client_rpc+0x174/0xe50 [ 111.365823][ T8393] ? p9_client_prepare_req.part.5+0x670/0x670 [ 111.371864][ T8393] ? p9_pollwait+0x182/0x210 [ 111.376428][ T8393] ? pipe_poll+0xc8/0x6b0 [ 111.380729][ T8393] ? ksys_dup3+0x2e0/0x2e0 [ 111.385138][ T8393] ? p9_fd_poll+0x19b/0x2a0 [ 111.389633][ T8393] ? p9_conn_create+0x3a5/0x4f0 [ 111.394473][ T8393] ? p9_conn_create+0x4f0/0x4f0 [ 111.399317][ T8393] p9_client_create+0x7fb/0x10f0 [ 111.404236][ T8393] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.410277][ T8393] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.415801][ T8393] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.421860][ T8393] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.427647][ T8393] ? lockdep_init_map_waits+0x270/0x870 [ 111.433172][ T8393] v9fs_session_init+0x1ed/0x14c0 [ 111.438168][ T8393] ? v9fs_session_init+0x1ed/0x14c0 [ 111.443340][ T8393] ? find_held_lock+0x36/0x1d0 [ 111.448085][ T8393] ? v9fs_show_options+0x6c0/0x6c0 [ 111.453166][ T8393] ? __kasan_check_read+0x11/0x20 [ 111.458162][ T8393] ? hash_netnet4_head+0x470/0xae0 [ 111.463245][ T8393] ? v9fs_mount+0x55/0x7f0 [ 111.467663][ T8393] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.473181][ T8393] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.479215][ T8393] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.484996][ T8393] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.490515][ T8393] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.495773][ T8393] v9fs_mount+0x72/0x7f0 [ 111.499989][ T8393] ? v9fs_write_inode+0x50/0x50 [ 111.508977][ T8393] legacy_get_tree+0x103/0x1f0 [ 111.513736][ T8393] vfs_get_tree+0x8b/0x2d0 [ 111.518131][ T8393] ? capable+0x14/0x20 [ 111.522180][ T8393] do_mount+0x1272/0x1c30 [ 111.526488][ T8393] ? lock_downgrade+0x960/0x960 [ 111.531339][ T8393] ? copy_mount_string+0x20/0x20 [ 111.536259][ T8393] ? __kasan_check_write+0x14/0x20 [ 111.541343][ T8393] ? _copy_from_user+0xc5/0x110 [ 111.546172][ T8393] __x64_sys_mount+0x169/0x1c0 [ 111.550915][ T8393] do_syscall_64+0xd0/0x630 [ 111.555397][ T8393] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 111.561261][ T8393] RIP: 0033:0x458da9 [ 111.565131][ T8393] 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 [ 111.584707][ T8393] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 111.593283][ T8393] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 111.601234][ T8393] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 111.609184][ T8393] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 111.617133][ T8393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 111.625093][ T8393] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 111.633064][ T8395] CPU: 0 PID: 8395 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 111.641100][ T8394] FAULT_INJECTION: forcing a failure. [ 111.641100][ T8394] name failslab, interval 1, probability 0, space 0, times 0 [ 111.641644][ T8395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.641650][ T8395] Call Trace: [ 111.667486][ T8395] dump_stack+0x12d/0x187 [ 111.671792][ T8395] should_fail.cold.4+0x5/0x13 [ 111.676528][ T8395] ? fault_create_debugfs_attr+0x150/0x150 [ 111.682307][ T8395] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 111.688867][ T8395] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.694386][ T8395] __should_failslab+0xba/0xf0 [ 111.699123][ T8395] should_failslab+0x9/0x14 [ 111.703600][ T8395] kmem_cache_alloc+0x47/0x760 [ 111.708338][ T8395] ? __kasan_check_read+0x11/0x20 [ 111.713334][ T8395] ? mark_lock+0xbf/0x630 [ 111.717635][ T8395] ? legacy_get_tree+0x103/0x1f0 [ 111.722548][ T8395] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 111.728937][ T8395] idr_get_free+0x35d/0x880 [ 111.733419][ T8395] idr_alloc_u32+0x13a/0x330 [ 111.737982][ T8395] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 111.743496][ T8395] ? lock_acquire+0x209/0x9e0 [ 111.748146][ T8395] ? __kasan_check_write+0x14/0x20 [ 111.753227][ T8395] ? do_raw_spin_lock+0x132/0x2e0 [ 111.758224][ T8395] idr_alloc+0x7d/0xc0 [ 111.762265][ T8395] ? idr_alloc_u32+0x330/0x330 [ 111.767005][ T8395] p9_client_prepare_req.part.5+0x571/0x670 [ 111.772873][ T8395] p9_client_rpc+0x174/0xe50 [ 111.777437][ T8395] ? p9_client_prepare_req.part.5+0x670/0x670 [ 111.783492][ T8395] ? p9_pollwait+0x182/0x210 [ 111.788838][ T8395] ? pipe_poll+0xc8/0x6b0 [ 111.793153][ T8395] ? ksys_dup3+0x2e0/0x2e0 [ 111.797545][ T8395] ? p9_fd_poll+0x19b/0x2a0 [ 111.802021][ T8395] ? p9_conn_create+0x3a5/0x4f0 [ 111.806847][ T8395] ? p9_conn_create+0x4f0/0x4f0 [ 111.811689][ T8395] p9_client_create+0x7fb/0x10f0 [ 111.816608][ T8395] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.822645][ T8395] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.828161][ T8395] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.834208][ T8395] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.839990][ T8395] ? lockdep_init_map_waits+0x270/0x870 [ 111.845513][ T8395] v9fs_session_init+0x1ed/0x14c0 [ 111.850516][ T8395] ? v9fs_session_init+0x1ed/0x14c0 [ 111.855689][ T8395] ? find_held_lock+0x36/0x1d0 [ 111.860427][ T8395] ? v9fs_show_options+0x6c0/0x6c0 [ 111.865508][ T8395] ? __kasan_check_read+0x11/0x20 [ 111.870514][ T8395] ? v9fs_mount+0x55/0x7f0 [ 111.874905][ T8395] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.880856][ T8395] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.886893][ T8395] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.892676][ T8395] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.898368][ T8395] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.912842][ T8395] v9fs_mount+0x72/0x7f0 [ 111.917338][ T8395] ? v9fs_write_inode+0x50/0x50 [ 111.922261][ T8395] legacy_get_tree+0x103/0x1f0 [ 111.927087][ T8395] vfs_get_tree+0x8b/0x2d0 [ 111.931476][ T8395] ? capable+0x14/0x20 [ 111.935518][ T8395] do_mount+0x1272/0x1c30 [ 111.939823][ T8395] ? lock_downgrade+0x960/0x960 [ 111.944650][ T8395] ? copy_mount_string+0x20/0x20 [ 111.949570][ T8395] ? __kasan_check_write+0x14/0x20 [ 111.954657][ T8395] ? _copy_from_user+0xc5/0x110 [ 111.959485][ T8395] __x64_sys_mount+0x169/0x1c0 [ 111.964225][ T8395] do_syscall_64+0xd0/0x630 [ 111.968704][ T8395] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 111.974569][ T8395] RIP: 0033:0x458da9 [ 111.978440][ T8395] 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 [ 111.998538][ T8395] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.007268][ T8395] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 112.015386][ T8395] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 112.023639][ T8395] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.031945][ T8395] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 112.041493][ T8395] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.049468][ T8394] CPU: 1 PID: 8394 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 112.059544][ T8394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.070208][ T8394] Call Trace: [ 112.073495][ T8394] dump_stack+0x12d/0x187 [ 112.077822][ T8394] should_fail.cold.4+0x5/0x13 [ 112.082580][ T8394] ? fault_create_debugfs_attr+0x150/0x150 [ 112.088465][ T8394] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 112.095317][ T8394] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.101033][ T8394] __should_failslab+0xba/0xf0 [ 112.105787][ T8394] should_failslab+0x9/0x14 [ 112.110279][ T8394] kmem_cache_alloc+0x47/0x760 [ 112.115121][ T8394] ? __kasan_check_read+0x11/0x20 [ 112.120665][ T8394] ? mark_lock+0xbf/0x630 [ 112.124983][ T8394] ? legacy_get_tree+0x103/0x1f0 [ 112.130096][ T8394] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 112.136508][ T8394] idr_get_free+0x35d/0x880 [ 112.141106][ T8394] idr_alloc_u32+0x13a/0x330 [ 112.146312][ T8394] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 112.154363][ T8394] ? lock_acquire+0x209/0x9e0 [ 112.159035][ T8394] ? __kasan_check_write+0x14/0x20 [ 112.166084][ T8394] ? do_raw_spin_lock+0x132/0x2e0 [ 112.171104][ T8394] idr_alloc+0x7d/0xc0 [ 112.175163][ T8394] ? idr_alloc_u32+0x330/0x330 [ 112.181771][ T8394] p9_client_prepare_req.part.5+0x571/0x670 [ 112.188071][ T8394] p9_client_rpc+0x174/0xe50 [ 112.193266][ T8394] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.200395][ T8394] ? p9_pollwait+0x182/0x210 [ 112.205240][ T8394] ? pipe_poll+0xc8/0x6b0 [ 112.209673][ T8394] ? ksys_dup3+0x2e0/0x2e0 [ 112.214088][ T8394] ? p9_fd_poll+0x19b/0x2a0 [ 112.218582][ T8394] ? p9_conn_create+0x3a5/0x4f0 [ 112.223424][ T8394] ? p9_conn_create+0x4f0/0x4f0 [ 112.228270][ T8394] p9_client_create+0x7fb/0x10f0 [ 112.233462][ T8394] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 112.239515][ T8394] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.245031][ T8394] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.251800][ T8394] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.257645][ T8394] ? lockdep_init_map_waits+0x270/0x870 [ 112.263169][ T8394] v9fs_session_init+0x1ed/0x14c0 [ 112.268708][ T8394] ? v9fs_session_init+0x1ed/0x14c0 [ 112.274237][ T8394] ? find_held_lock+0x36/0x1d0 [ 112.278991][ T8394] ? v9fs_show_options+0x6c0/0x6c0 [ 112.284157][ T8394] ? __kasan_check_read+0x11/0x20 [ 112.289164][ T8394] ? v9fs_mount+0x55/0x7f0 [ 112.293581][ T8394] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.299460][ T8394] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.305632][ T8394] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.311861][ T8394] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.317397][ T8394] ? apparmor_task_alloc+0x2f0/0x2f0 [ 112.323461][ T8394] v9fs_mount+0x72/0x7f0 [ 112.328373][ T8394] ? v9fs_write_inode+0x50/0x50 [ 112.333200][ T8394] legacy_get_tree+0x103/0x1f0 [ 112.337964][ T8394] vfs_get_tree+0x8b/0x2d0 [ 112.342353][ T8394] ? capable+0x14/0x20 [ 112.346429][ T8394] do_mount+0x1272/0x1c30 [ 112.350743][ T8394] ? lock_downgrade+0x960/0x960 [ 112.355579][ T8394] ? copy_mount_string+0x20/0x20 [ 112.360565][ T8394] ? __kasan_check_write+0x14/0x20 [ 112.365662][ T8394] ? _copy_from_user+0xc5/0x110 [ 112.370495][ T8394] __x64_sys_mount+0x169/0x1c0 [ 112.375512][ T8394] do_syscall_64+0xd0/0x630 [ 112.380639][ T8394] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 112.386516][ T8394] RIP: 0033:0x458da9 [ 112.390387][ T8394] 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 [ 112.410077][ T8394] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.418900][ T8394] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 112.427105][ T8394] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 112.436181][ T8394] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.444674][ T8394] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 112.452627][ T8394] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.533804][ T8417] FAULT_INJECTION: forcing a failure. [ 112.533804][ T8417] name failslab, interval 1, probability 0, space 0, times 0 [ 112.542741][ T8420] FAULT_INJECTION: forcing a failure. [ 112.542741][ T8420] name failslab, interval 1, probability 0, space 0, times 0 [ 112.546614][ T8417] CPU: 0 PID: 8417 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 112.567920][ T8417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.577967][ T8417] Call Trace: [ 112.581236][ T8417] dump_stack+0x12d/0x187 [ 112.585545][ T8417] should_fail.cold.4+0x5/0x13 [ 112.590319][ T8417] ? stack_trace_save+0x82/0xb0 [ 112.595164][ T8417] ? fault_create_debugfs_attr+0x150/0x150 [ 112.600963][ T8417] __should_failslab+0xba/0xf0 [ 112.605712][ T8417] should_failslab+0x9/0x14 [ 112.610189][ T8417] kmem_cache_alloc+0x47/0x760 [ 112.615037][ T8417] ? __kasan_check_read+0x11/0x20 [ 112.620034][ T8417] ? mark_lock+0xbf/0x630 [ 112.624336][ T8417] ? legacy_get_tree+0x103/0x1f0 [ 112.629249][ T8417] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 112.635638][ T8417] idr_get_free+0x35d/0x880 [ 112.640151][ T8417] ? mark_held_locks+0x130/0x130 [ 112.645066][ T8417] idr_alloc_u32+0x13a/0x330 [ 112.649632][ T8417] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 112.655161][ T8417] ? lock_acquire+0x209/0x9e0 [ 112.659810][ T8417] ? __kasan_check_write+0x14/0x20 [ 112.664893][ T8417] ? do_raw_spin_lock+0x132/0x2e0 [ 112.669908][ T8417] idr_alloc+0x7d/0xc0 [ 112.673949][ T8417] ? idr_alloc_u32+0x330/0x330 [ 112.678695][ T8417] p9_client_prepare_req.part.5+0x571/0x670 [ 112.684564][ T8417] p9_client_rpc+0x174/0xe50 [ 112.689131][ T8417] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.695172][ T8417] ? p9_pollwait+0x182/0x210 [ 112.699736][ T8417] ? pipe_poll+0xc8/0x6b0 [ 112.704036][ T8417] ? ksys_dup3+0x2e0/0x2e0 [ 112.708426][ T8417] ? p9_fd_poll+0x19b/0x2a0 [ 112.712902][ T8417] ? p9_conn_create+0x3a5/0x4f0 [ 112.717726][ T8417] ? p9_conn_create+0x4f0/0x4f0 [ 112.722556][ T8417] p9_client_create+0x7fb/0x10f0 [ 112.727489][ T8417] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 112.733526][ T8417] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.739043][ T8417] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.745079][ T8417] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.750864][ T8417] ? lockdep_init_map_waits+0x270/0x870 [ 112.756387][ T8417] v9fs_session_init+0x1ed/0x14c0 [ 112.761384][ T8417] ? v9fs_session_init+0x1ed/0x14c0 [ 112.766574][ T8417] ? find_held_lock+0x36/0x1d0 [ 112.771320][ T8417] ? v9fs_show_options+0x6c0/0x6c0 [ 112.776400][ T8417] ? __kasan_check_read+0x11/0x20 [ 112.781397][ T8417] ? bitmap_ipmac_ext_cleanup+0x1e0/0x210 [ 112.787086][ T8417] ? v9fs_mount+0x55/0x7f0 [ 112.791475][ T8417] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.796991][ T8417] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.803375][ T8417] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.809183][ T8417] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.814702][ T8417] ? apparmor_task_alloc+0x2f0/0x2f0 [ 112.820394][ T8417] v9fs_mount+0x72/0x7f0 [ 112.824612][ T8417] ? v9fs_write_inode+0x50/0x50 [ 112.829609][ T8417] legacy_get_tree+0x103/0x1f0 [ 112.834361][ T8417] vfs_get_tree+0x8b/0x2d0 [ 112.839271][ T8417] ? capable+0x14/0x20 [ 112.843920][ T8417] do_mount+0x1272/0x1c30 [ 112.848220][ T8417] ? lock_downgrade+0x960/0x960 [ 112.853046][ T8417] ? copy_mount_string+0x20/0x20 [ 112.857962][ T8417] ? __kasan_check_write+0x14/0x20 [ 112.863044][ T8417] ? _copy_from_user+0xc5/0x110 [ 112.867873][ T8417] __x64_sys_mount+0x169/0x1c0 [ 112.872634][ T8417] do_syscall_64+0xd0/0x630 [ 112.877113][ T8417] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 112.882976][ T8417] RIP: 0033:0x458da9 [ 112.886846][ T8417] 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 [ 112.906438][ T8417] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.914838][ T8417] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 112.922784][ T8417] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 112.930731][ T8417] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.938693][ T8417] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 112.946652][ T8417] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.954625][ T8420] CPU: 1 PID: 8420 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 112.963203][ T8420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.967582][ T8419] FAULT_INJECTION: forcing a failure. [ 112.967582][ T8419] name failslab, interval 1, probability 0, space 0, times 0 [ 112.973247][ T8420] Call Trace: [ 112.989087][ T8420] dump_stack+0x12d/0x187 [ 112.993415][ T8420] should_fail.cold.4+0x5/0x13 [ 112.998156][ T8420] ? fault_create_debugfs_attr+0x150/0x150 [ 113.003936][ T8420] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 113.010499][ T8420] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.017146][ T8420] __should_failslab+0xba/0xf0 [ 113.021882][ T8420] should_failslab+0x9/0x14 [ 113.026365][ T8420] kmem_cache_alloc+0x47/0x760 [ 113.031270][ T8420] ? __kasan_check_read+0x11/0x20 [ 113.036269][ T8420] ? mark_lock+0xbf/0x630 [ 113.040582][ T8420] ? legacy_get_tree+0x103/0x1f0 [ 113.045491][ T8420] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 113.051875][ T8420] idr_get_free+0x35d/0x880 [ 113.056356][ T8420] idr_alloc_u32+0x13a/0x330 [ 113.061440][ T8420] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 113.066966][ T8420] ? lock_acquire+0x209/0x9e0 [ 113.071617][ T8420] ? __kasan_check_write+0x14/0x20 [ 113.076698][ T8420] ? do_raw_spin_lock+0x132/0x2e0 [ 113.081694][ T8420] idr_alloc+0x7d/0xc0 [ 113.085732][ T8420] ? idr_alloc_u32+0x330/0x330 [ 113.090470][ T8420] p9_client_prepare_req.part.5+0x571/0x670 [ 113.096336][ T8420] p9_client_rpc+0x174/0xe50 [ 113.100900][ T8420] ? p9_client_prepare_req.part.5+0x670/0x670 [ 113.106936][ T8420] ? p9_pollwait+0x182/0x210 [ 113.111500][ T8420] ? pipe_poll+0xc8/0x6b0 [ 113.115798][ T8420] ? ksys_dup3+0x2e0/0x2e0 [ 113.120186][ T8420] ? p9_fd_poll+0x19b/0x2a0 [ 113.124657][ T8420] ? p9_conn_create+0x3a5/0x4f0 [ 113.129480][ T8420] ? p9_conn_create+0x4f0/0x4f0 [ 113.135266][ T8420] p9_client_create+0x7fb/0x10f0 [ 113.140178][ T8420] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 113.146215][ T8420] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.151728][ T8420] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.157772][ T8420] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.163559][ T8420] ? lockdep_init_map_waits+0x270/0x870 [ 113.169086][ T8420] v9fs_session_init+0x1ed/0x14c0 [ 113.174078][ T8420] ? v9fs_session_init+0x1ed/0x14c0 [ 113.179247][ T8420] ? find_held_lock+0x36/0x1d0 [ 113.183985][ T8420] ? v9fs_show_options+0x6c0/0x6c0 [ 113.189063][ T8420] ? __kasan_check_read+0x11/0x20 [ 113.194058][ T8420] ? __ip6_local_out+0x220/0x740 [ 113.199398][ T8420] ? v9fs_mount+0x55/0x7f0 [ 113.203794][ T8420] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.209308][ T8420] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.215426][ T8420] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.221206][ T8420] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.226720][ T8420] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.231977][ T8420] v9fs_mount+0x72/0x7f0 [ 113.236192][ T8420] ? v9fs_write_inode+0x50/0x50 [ 113.241010][ T8420] legacy_get_tree+0x103/0x1f0 [ 113.245748][ T8420] vfs_get_tree+0x8b/0x2d0 [ 113.250138][ T8420] ? capable+0x14/0x20 [ 113.254180][ T8420] do_mount+0x1272/0x1c30 [ 113.258477][ T8420] ? lock_downgrade+0x960/0x960 [ 113.263300][ T8420] ? copy_mount_string+0x20/0x20 [ 113.268211][ T8420] ? __kasan_check_write+0x14/0x20 [ 113.273291][ T8420] ? _copy_from_user+0xc5/0x110 [ 113.278114][ T8420] __x64_sys_mount+0x169/0x1c0 [ 113.282850][ T8420] do_syscall_64+0xd0/0x630 [ 113.287341][ T8420] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 113.293204][ T8420] RIP: 0033:0x458da9 [ 113.297069][ T8420] 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 [ 113.316658][ T8420] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 113.325044][ T8420] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 113.332985][ T8420] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 113.340939][ T8420] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 113.348892][ T8420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 113.356832][ T8420] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 113.364801][ T8419] CPU: 0 PID: 8419 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 113.373369][ T8419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.383403][ T8419] Call Trace: [ 113.386665][ T8419] dump_stack+0x12d/0x187 [ 113.390992][ T8419] should_fail.cold.4+0x5/0x13 [ 113.395739][ T8419] ? fault_create_debugfs_attr+0x150/0x150 [ 113.401515][ T8419] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 113.408072][ T8419] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.413601][ T8419] __should_failslab+0xba/0xf0 [ 113.418433][ T8419] should_failslab+0x9/0x14 [ 113.422914][ T8419] kmem_cache_alloc+0x47/0x760 [ 113.427663][ T8419] ? __kasan_check_read+0x11/0x20 [ 113.432659][ T8419] ? mark_lock+0xbf/0x630 [ 113.436958][ T8419] ? legacy_get_tree+0x103/0x1f0 [ 113.441866][ T8419] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 113.448252][ T8419] idr_get_free+0x35d/0x880 [ 113.452733][ T8419] idr_alloc_u32+0x13a/0x330 [ 113.457304][ T8419] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 113.462824][ T8419] ? lock_acquire+0x209/0x9e0 [ 113.467470][ T8419] ? __kasan_check_write+0x14/0x20 [ 113.472551][ T8419] ? do_raw_spin_lock+0x132/0x2e0 [ 113.477546][ T8419] idr_alloc+0x7d/0xc0 [ 113.481584][ T8419] ? idr_alloc_u32+0x330/0x330 [ 113.486322][ T8419] p9_client_prepare_req.part.5+0x571/0x670 [ 113.492201][ T8419] p9_client_rpc+0x174/0xe50 [ 113.497901][ T8419] ? p9_client_prepare_req.part.5+0x670/0x670 [ 113.503934][ T8419] ? p9_pollwait+0x182/0x210 [ 113.508498][ T8419] ? pipe_poll+0xc8/0x6b0 [ 113.512795][ T8419] ? ksys_dup3+0x2e0/0x2e0 [ 113.517192][ T8419] ? p9_fd_poll+0x19b/0x2a0 [ 113.521680][ T8419] ? p9_conn_create+0x3a5/0x4f0 [ 113.526513][ T8419] ? p9_conn_create+0x4f0/0x4f0 [ 113.531433][ T8419] p9_client_create+0x7fb/0x10f0 [ 113.536351][ T8419] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 113.542403][ T8419] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.547991][ T8419] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.554040][ T8419] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.559850][ T8419] ? lockdep_init_map_waits+0x270/0x870 [ 113.565395][ T8419] v9fs_session_init+0x1ed/0x14c0 [ 113.570392][ T8419] ? v9fs_session_init+0x1ed/0x14c0 [ 113.575565][ T8419] ? find_held_lock+0x36/0x1d0 [ 113.580307][ T8419] ? v9fs_show_options+0x6c0/0x6c0 [ 113.585395][ T8419] ? __kasan_check_read+0x11/0x20 [ 113.590392][ T8419] ? v9fs_mount+0x55/0x7f0 [ 113.594780][ T8419] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.600378][ T8419] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.606422][ T8419] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.612198][ T8419] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.617723][ T8419] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.622990][ T8419] v9fs_mount+0x72/0x7f0 [ 113.627204][ T8419] ? v9fs_write_inode+0x50/0x50 [ 113.632036][ T8419] legacy_get_tree+0x103/0x1f0 [ 113.636783][ T8419] vfs_get_tree+0x8b/0x2d0 [ 113.641167][ T8419] ? capable+0x14/0x20 [ 113.645206][ T8419] do_mount+0x1272/0x1c30 [ 113.649514][ T8419] ? lock_downgrade+0x960/0x960 [ 113.654336][ T8419] ? copy_mount_string+0x20/0x20 [ 113.659247][ T8419] ? __kasan_check_write+0x14/0x20 [ 113.664325][ T8419] ? _copy_from_user+0xc5/0x110 [ 113.669153][ T8419] __x64_sys_mount+0x169/0x1c0 [ 113.673899][ T8419] do_syscall_64+0xd0/0x630 [ 113.678377][ T8419] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 113.684267][ T8419] RIP: 0033:0x458da9 [ 113.688238][ T8419] 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 [ 113.707813][ T8419] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 113.716203][ T8419] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 113.724155][ T8419] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 113.732101][ T8419] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 113.740038][ T8419] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 113.747977][ T8419] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 113.760128][ T8418] 9pnet: Insufficient options for proto=fd [ 113.776310][ T27] audit: type=1804 audit(1587461110.411:21): pid=8426 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/26/file0" dev="sda1" ino=15982 res=1 [ 113.806570][ T8421] FAULT_INJECTION: forcing a failure. [ 113.806570][ T8421] name failslab, interval 1, probability 0, space 0, times 0 [ 113.819159][ T8421] CPU: 0 PID: 8421 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 113.827733][ T8421] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.837777][ T8421] Call Trace: [ 113.841071][ T8421] dump_stack+0x12d/0x187 [ 113.845406][ T8421] should_fail.cold.4+0x5/0x13 [ 113.850165][ T8421] ? fault_create_debugfs_attr+0x150/0x150 [ 113.855972][ T8421] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 113.862553][ T8421] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.868094][ T8421] __should_failslab+0xba/0xf0 [ 113.872873][ T8421] should_failslab+0x9/0x14 [ 113.877365][ T8421] kmem_cache_alloc+0x47/0x760 [ 113.882118][ T8421] ? __kasan_check_read+0x11/0x20 [ 113.887129][ T8421] ? mark_lock+0xbf/0x630 [ 113.891444][ T8421] ? legacy_get_tree+0x103/0x1f0 [ 113.896374][ T8421] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 113.902786][ T8421] idr_get_free+0x35d/0x880 [ 113.907296][ T8421] idr_alloc_u32+0x13a/0x330 [ 113.911881][ T8421] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 113.917422][ T8421] ? lock_acquire+0x209/0x9e0 [ 113.922092][ T8421] ? __kasan_check_write+0x14/0x20 [ 113.927196][ T8421] ? do_raw_spin_lock+0x132/0x2e0 [ 113.932214][ T8421] idr_alloc+0x7d/0xc0 [ 113.936270][ T8421] ? idr_alloc_u32+0x330/0x330 [ 113.941287][ T8421] p9_client_prepare_req.part.5+0x571/0x670 [ 113.947169][ T8421] p9_client_rpc+0x174/0xe50 [ 113.951747][ T8421] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 113.957549][ T8421] ? __debug_object_init+0x4fc/0x10f0 [ 113.962916][ T8421] ? __kasan_check_read+0x11/0x20 [ 113.967931][ T8421] ? p9_client_prepare_req.part.5+0x670/0x670 [ 113.973990][ T8421] ? free_object+0x70/0x70 [ 113.978391][ T8421] ? ksys_dup3+0x2e0/0x2e0 [ 113.982819][ T8421] ? lockdep_init_map_waits+0x270/0x870 [ 113.988347][ T8421] ? __kasan_check_write+0x14/0x20 [ 113.993441][ T8421] ? p9_conn_create+0x3ce/0x4f0 [ 113.998276][ T8421] ? p9_conn_create+0x4f0/0x4f0 [ 114.003120][ T8421] p9_client_create+0x7fb/0x10f0 [ 114.008050][ T8421] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 114.014097][ T8421] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.019622][ T8421] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.025674][ T8421] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.031467][ T8421] ? lockdep_init_map_waits+0x270/0x870 [ 114.037000][ T8421] v9fs_session_init+0x1ed/0x14c0 [ 114.042000][ T8421] ? v9fs_session_init+0x1ed/0x14c0 [ 114.047179][ T8421] ? find_held_lock+0x36/0x1d0 [ 114.051928][ T8421] ? v9fs_show_options+0x6c0/0x6c0 [ 114.057016][ T8421] ? __kasan_check_read+0x11/0x20 [ 114.062018][ T8421] ? hash_netnet4_head+0x470/0xae0 [ 114.067111][ T8421] ? v9fs_mount+0x55/0x7f0 [ 114.071505][ T8421] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.077484][ T8421] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.083876][ T8421] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.089667][ T8421] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.095207][ T8421] ? apparmor_task_alloc+0x2f0/0x2f0 [ 114.100477][ T8421] v9fs_mount+0x72/0x7f0 [ 114.104703][ T8421] ? v9fs_write_inode+0x50/0x50 [ 114.109536][ T8421] legacy_get_tree+0x103/0x1f0 [ 114.114281][ T8421] vfs_get_tree+0x8b/0x2d0 [ 114.118673][ T8421] ? capable+0x14/0x20 [ 114.122722][ T8421] do_mount+0x1272/0x1c30 [ 114.127030][ T8421] ? lock_downgrade+0x960/0x960 [ 114.131863][ T8421] ? copy_mount_string+0x20/0x20 [ 114.136790][ T8421] ? __kasan_check_write+0x14/0x20 [ 114.141888][ T8421] ? _copy_from_user+0xc5/0x110 [ 114.146723][ T8421] __x64_sys_mount+0x169/0x1c0 [ 114.151470][ T8421] do_syscall_64+0xd0/0x630 [ 114.155957][ T8421] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 114.161827][ T8421] RIP: 0033:0x458da9 [ 114.165701][ T8421] 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 [ 114.185386][ T8421] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 114.193779][ T8421] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 114.201731][ T8421] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 114.209682][ T8421] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.217633][ T8421] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 114.225583][ T8421] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 114.261479][ T8439] FAULT_INJECTION: forcing a failure. [ 114.261479][ T8439] name failslab, interval 1, probability 0, space 0, times 0 [ 114.274075][ T8439] CPU: 1 PID: 8439 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 114.282649][ T8439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.292694][ T8439] Call Trace: [ 114.295974][ T8439] dump_stack+0x12d/0x187 [ 114.300299][ T8439] should_fail.cold.4+0x5/0x13 [ 114.305055][ T8439] ? fault_create_debugfs_attr+0x150/0x150 [ 114.310845][ T8439] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 114.317408][ T8439] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.322935][ T8439] __should_failslab+0xba/0xf0 [ 114.327683][ T8439] should_failslab+0x9/0x14 [ 114.332154][ T8439] kmem_cache_alloc+0x47/0x760 [ 114.336889][ T8439] ? __kasan_check_read+0x11/0x20 [ 114.341881][ T8439] ? mark_lock+0xbf/0x630 [ 114.346178][ T8439] ? legacy_get_tree+0x103/0x1f0 [ 114.351096][ T8439] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 114.357488][ T8439] idr_get_free+0x35d/0x880 [ 114.362011][ T8439] idr_alloc_u32+0x13a/0x330 [ 114.366572][ T8439] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 114.372093][ T8439] ? lock_acquire+0x209/0x9e0 [ 114.376738][ T8439] ? __kasan_check_write+0x14/0x20 [ 114.381826][ T8439] ? do_raw_spin_lock+0x132/0x2e0 [ 114.386819][ T8439] idr_alloc+0x7d/0xc0 [ 114.390856][ T8439] ? idr_alloc_u32+0x330/0x330 [ 114.395601][ T8439] p9_client_prepare_req.part.5+0x571/0x670 [ 114.401474][ T8439] p9_client_rpc+0x174/0xe50 [ 114.406043][ T8439] ? p9_client_prepare_req.part.5+0x670/0x670 [ 114.412091][ T8439] ? p9_pollwait+0x182/0x210 [ 114.416659][ T8439] ? pipe_poll+0xc8/0x6b0 [ 114.420964][ T8439] ? ksys_dup3+0x2e0/0x2e0 [ 114.425358][ T8439] ? p9_fd_poll+0x19b/0x2a0 [ 114.429860][ T8439] ? p9_conn_create+0x3a5/0x4f0 [ 114.434685][ T8439] ? p9_conn_create+0x4f0/0x4f0 [ 114.439509][ T8439] p9_client_create+0x7fb/0x10f0 [ 114.444419][ T8439] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 114.450466][ T8439] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.455981][ T8439] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.462011][ T8439] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.467790][ T8439] ? lockdep_init_map_waits+0x270/0x870 [ 114.473309][ T8439] v9fs_session_init+0x1ed/0x14c0 [ 114.478303][ T8439] ? v9fs_session_init+0x1ed/0x14c0 [ 114.483471][ T8439] ? find_held_lock+0x36/0x1d0 [ 114.488222][ T8439] ? v9fs_show_options+0x6c0/0x6c0 [ 114.493322][ T8439] ? __kasan_check_read+0x11/0x20 [ 114.498326][ T8439] ? azx_probe_continue+0x8d0/0x1830 [ 114.503583][ T8439] ? v9fs_mount+0x55/0x7f0 [ 114.507965][ T8439] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.513477][ T8439] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.519507][ T8439] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.525292][ T8439] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.530805][ T8439] ? apparmor_task_alloc+0x2f0/0x2f0 [ 114.536058][ T8439] v9fs_mount+0x72/0x7f0 [ 114.540269][ T8439] ? v9fs_write_inode+0x50/0x50 [ 114.545088][ T8439] legacy_get_tree+0x103/0x1f0 [ 114.549835][ T8439] vfs_get_tree+0x8b/0x2d0 [ 114.554226][ T8439] ? capable+0x14/0x20 [ 114.558264][ T8439] do_mount+0x1272/0x1c30 [ 114.562587][ T8439] ? lock_downgrade+0x960/0x960 [ 114.567438][ T8439] ? copy_mount_string+0x20/0x20 [ 114.572358][ T8439] ? __kasan_check_write+0x14/0x20 [ 114.577528][ T8439] ? _copy_from_user+0xc5/0x110 [ 114.582352][ T8439] __x64_sys_mount+0x169/0x1c0 [ 114.587111][ T8439] do_syscall_64+0xd0/0x630 [ 114.591604][ T8439] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 114.597470][ T8439] RIP: 0033:0x458da9 [ 114.601338][ T8439] 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 [ 114.620912][ T8439] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 114.630071][ T8439] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 114.638010][ T8439] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 114.645950][ T8439] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.653890][ T8439] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 114.662263][ T8439] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 2020/04/21 09:25:11 executed programs: 167 [ 115.282003][ T8445] FAULT_INJECTION: forcing a failure. [ 115.282003][ T8445] name failslab, interval 1, probability 0, space 0, times 0 [ 115.294187][ T8446] FAULT_INJECTION: forcing a failure. [ 115.294187][ T8446] name failslab, interval 1, probability 0, space 0, times 0 [ 115.295059][ T8445] CPU: 0 PID: 8445 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 115.317208][ T8445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.327241][ T8445] Call Trace: [ 115.330504][ T8445] dump_stack+0x12d/0x187 [ 115.334820][ T8445] should_fail.cold.4+0x5/0x13 [ 115.339555][ T8445] ? fault_create_debugfs_attr+0x150/0x150 [ 115.345333][ T8445] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 115.351899][ T8445] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.357418][ T8445] __should_failslab+0xba/0xf0 [ 115.362173][ T8445] should_failslab+0x9/0x14 [ 115.366666][ T8445] kmem_cache_alloc+0x47/0x760 [ 115.371411][ T8445] ? __kasan_check_read+0x11/0x20 [ 115.376408][ T8445] ? mark_lock+0xbf/0x630 [ 115.380721][ T8445] ? legacy_get_tree+0x103/0x1f0 [ 115.385635][ T8445] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 115.392061][ T8445] idr_get_free+0x35d/0x880 [ 115.396552][ T8445] idr_alloc_u32+0x13a/0x330 [ 115.401115][ T8445] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 115.406629][ T8445] ? lock_acquire+0x209/0x9e0 [ 115.411279][ T8445] ? __kasan_check_write+0x14/0x20 [ 115.416385][ T8445] ? do_raw_spin_lock+0x132/0x2e0 [ 115.421379][ T8445] idr_alloc+0x7d/0xc0 [ 115.425459][ T8445] ? idr_alloc_u32+0x330/0x330 [ 115.430206][ T8445] p9_client_prepare_req.part.5+0x571/0x670 [ 115.436077][ T8445] p9_client_rpc+0x174/0xe50 [ 115.440652][ T8445] ? p9_client_prepare_req.part.5+0x670/0x670 [ 115.446700][ T8445] ? p9_pollwait+0x182/0x210 [ 115.451281][ T8445] ? pipe_poll+0xc8/0x6b0 [ 115.455596][ T8445] ? ksys_dup3+0x2e0/0x2e0 [ 115.459985][ T8445] ? p9_fd_poll+0x19b/0x2a0 [ 115.464464][ T8445] ? p9_conn_create+0x3a5/0x4f0 [ 115.469287][ T8445] ? p9_conn_create+0x4f0/0x4f0 [ 115.474111][ T8445] p9_client_create+0x7fb/0x10f0 [ 115.479025][ T8445] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 115.485075][ T8445] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.490602][ T8445] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.496637][ T8445] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.502422][ T8445] ? lockdep_init_map_waits+0x270/0x870 [ 115.508059][ T8445] v9fs_session_init+0x1ed/0x14c0 [ 115.513228][ T8445] ? v9fs_session_init+0x1ed/0x14c0 [ 115.518501][ T8445] ? find_held_lock+0x36/0x1d0 [ 115.523240][ T8445] ? v9fs_show_options+0x6c0/0x6c0 [ 115.528331][ T8445] ? __kasan_check_read+0x11/0x20 [ 115.533328][ T8445] ? v9fs_mount+0x55/0x7f0 [ 115.537716][ T8445] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.543236][ T8445] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.549282][ T8445] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.555074][ T8445] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.560590][ T8445] ? apparmor_task_alloc+0x2f0/0x2f0 [ 115.565862][ T8445] v9fs_mount+0x72/0x7f0 [ 115.570075][ T8445] ? v9fs_write_inode+0x50/0x50 [ 115.574916][ T8445] legacy_get_tree+0x103/0x1f0 [ 115.579676][ T8445] vfs_get_tree+0x8b/0x2d0 [ 115.584072][ T8445] ? capable+0x14/0x20 [ 115.588115][ T8445] do_mount+0x1272/0x1c30 [ 115.592415][ T8445] ? lock_downgrade+0x960/0x960 [ 115.597240][ T8445] ? copy_mount_string+0x20/0x20 [ 115.602153][ T8445] ? __kasan_check_write+0x14/0x20 [ 115.607237][ T8445] ? _copy_from_user+0xc5/0x110 [ 115.612063][ T8445] __x64_sys_mount+0x169/0x1c0 [ 115.616798][ T8445] do_syscall_64+0xd0/0x630 [ 115.621274][ T8445] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 115.627136][ T8445] RIP: 0033:0x458da9 [ 115.631017][ T8445] 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 [ 115.651374][ T8445] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 115.659753][ T8445] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 115.667701][ T8445] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 115.675644][ T8445] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 115.683593][ T8445] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 115.691545][ T8445] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 115.699509][ T8446] CPU: 1 PID: 8446 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 115.708085][ T8446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.718133][ T8446] Call Trace: [ 115.721417][ T8446] dump_stack+0x12d/0x187 [ 115.725748][ T8446] should_fail.cold.4+0x5/0x13 [ 115.730511][ T8446] ? fault_create_debugfs_attr+0x150/0x150 [ 115.736314][ T8446] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 115.737120][ T8453] FAULT_INJECTION: forcing a failure. [ 115.737120][ T8453] name failslab, interval 1, probability 0, space 0, times 0 [ 115.742888][ T8446] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.760969][ T8446] __should_failslab+0xba/0xf0 [ 115.765705][ T8446] should_failslab+0x9/0x14 [ 115.770179][ T8446] kmem_cache_alloc+0x47/0x760 [ 115.774913][ T8446] ? __kasan_check_read+0x11/0x20 [ 115.780513][ T8446] ? mark_lock+0xbf/0x630 [ 115.784913][ T8446] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 115.791298][ T8446] idr_get_free+0x35d/0x880 [ 115.795786][ T8446] idr_alloc_u32+0x13a/0x330 [ 115.800347][ T8446] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 115.805859][ T8446] ? lock_acquire+0x209/0x9e0 [ 115.810509][ T8446] ? __kasan_check_write+0x14/0x20 [ 115.815595][ T8446] ? do_raw_spin_lock+0x132/0x2e0 [ 115.820592][ T8446] idr_alloc+0x7d/0xc0 [ 115.824630][ T8446] ? idr_alloc_u32+0x330/0x330 [ 115.829381][ T8446] p9_client_prepare_req.part.5+0x571/0x670 [ 115.835249][ T8446] p9_client_rpc+0x174/0xe50 [ 115.839813][ T8446] ? p9_client_prepare_req.part.5+0x670/0x670 [ 115.845947][ T8446] ? p9_pollwait+0x182/0x210 [ 115.850507][ T8446] ? pipe_poll+0xc8/0x6b0 [ 115.854806][ T8446] ? ksys_dup3+0x2e0/0x2e0 [ 115.859980][ T8446] ? p9_fd_poll+0x19b/0x2a0 [ 115.864466][ T8446] ? p9_conn_create+0x3a5/0x4f0 [ 115.869288][ T8446] ? p9_conn_create+0x4f0/0x4f0 [ 115.874124][ T8446] p9_client_create+0x7fb/0x10f0 [ 115.879036][ T8446] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 115.885079][ T8446] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.890595][ T8446] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.896629][ T8446] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.902416][ T8446] ? lockdep_init_map_waits+0x270/0x870 [ 115.907937][ T8446] v9fs_session_init+0x1ed/0x14c0 [ 115.912929][ T8446] ? v9fs_session_init+0x1ed/0x14c0 [ 115.918117][ T8446] ? find_held_lock+0x36/0x1d0 [ 115.922854][ T8446] ? v9fs_show_options+0x6c0/0x6c0 [ 115.927932][ T8446] ? __kasan_check_read+0x11/0x20 [ 115.932943][ T8446] ? v9fs_mount+0x55/0x7f0 [ 115.937332][ T8446] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.942844][ T8446] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.948889][ T8446] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.954668][ T8446] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.960184][ T8446] ? apparmor_task_alloc+0x2f0/0x2f0 [ 115.965457][ T8446] v9fs_mount+0x72/0x7f0 [ 115.969673][ T8446] ? v9fs_write_inode+0x50/0x50 [ 115.974495][ T8446] legacy_get_tree+0x103/0x1f0 [ 115.979233][ T8446] vfs_get_tree+0x8b/0x2d0 [ 115.983618][ T8446] ? capable+0x14/0x20 [ 115.987659][ T8446] do_mount+0x1272/0x1c30 [ 115.991957][ T8446] ? lock_downgrade+0x960/0x960 [ 115.996786][ T8446] ? copy_mount_string+0x20/0x20 [ 116.001701][ T8446] ? __kasan_check_write+0x14/0x20 [ 116.006793][ T8446] ? _copy_from_user+0xc5/0x110 [ 116.011616][ T8446] __x64_sys_mount+0x169/0x1c0 [ 116.016351][ T8446] do_syscall_64+0xd0/0x630 [ 116.020828][ T8446] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 116.026689][ T8446] RIP: 0033:0x458da9 [ 116.030557][ T8446] 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 [ 116.050129][ T8446] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 116.058509][ T8446] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 116.066463][ T8446] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 116.074422][ T8446] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 116.082365][ T8446] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 116.090531][ T8446] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 116.098491][ T8453] CPU: 0 PID: 8453 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 116.107062][ T8453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.117106][ T8453] Call Trace: [ 116.120389][ T8453] dump_stack+0x12d/0x187 [ 116.124722][ T8453] should_fail.cold.4+0x5/0x13 [ 116.129482][ T8453] ? fault_create_debugfs_attr+0x150/0x150 [ 116.135282][ T8453] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 116.141945][ T8453] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.147484][ T8453] __should_failslab+0xba/0xf0 [ 116.152241][ T8453] should_failslab+0x9/0x14 [ 116.156747][ T8453] kmem_cache_alloc+0x47/0x760 [ 116.159307][ T27] audit: type=1804 audit(1587461112.372:22): pid=8462 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir903884808/syzkaller.tguwh7/30/file0" dev="sda1" ino=15983 res=1 [ 116.161506][ T8453] ? __kasan_check_read+0x11/0x20 [ 116.161514][ T8453] ? mark_lock+0xbf/0x630 [ 116.161521][ T8453] ? legacy_get_tree+0x103/0x1f0 [ 116.161534][ T8453] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 116.161544][ T8453] idr_get_free+0x35d/0x880 [ 116.161562][ T8453] idr_alloc_u32+0x13a/0x330 [ 116.161572][ T8453] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 116.184978][ T8462] FAULT_INJECTION: forcing a failure. [ 116.184978][ T8462] name failslab, interval 1, probability 0, space 0, times 0 [ 116.189371][ T8453] ? lock_acquire+0x209/0x9e0 [ 116.236932][ T8453] ? __kasan_check_write+0x14/0x20 [ 116.242011][ T8453] ? do_raw_spin_lock+0x132/0x2e0 [ 116.247025][ T8453] idr_alloc+0x7d/0xc0 [ 116.251064][ T8453] ? idr_alloc_u32+0x330/0x330 [ 116.255800][ T8453] p9_client_prepare_req.part.5+0x571/0x670 [ 116.261702][ T8453] p9_client_rpc+0x174/0xe50 [ 116.266291][ T8453] ? p9_client_prepare_req.part.5+0x670/0x670 [ 116.272337][ T8453] ? p9_pollwait+0x182/0x210 [ 116.276917][ T8453] ? pipe_poll+0xc8/0x6b0 [ 116.281228][ T8453] ? ksys_dup3+0x2e0/0x2e0 [ 116.285629][ T8453] ? p9_fd_poll+0x19b/0x2a0 [ 116.290116][ T8453] ? p9_conn_create+0x3a5/0x4f0 [ 116.295034][ T8453] ? p9_conn_create+0x4f0/0x4f0 [ 116.299874][ T8453] p9_client_create+0x7fb/0x10f0 [ 116.304795][ T8453] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 116.311028][ T8453] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.316583][ T8453] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.322635][ T8453] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.328438][ T8453] ? lockdep_init_map_waits+0x270/0x870 [ 116.333964][ T8453] v9fs_session_init+0x1ed/0x14c0 [ 116.338960][ T8453] ? v9fs_session_init+0x1ed/0x14c0 [ 116.344130][ T8453] ? find_held_lock+0x36/0x1d0 [ 116.349219][ T8453] ? v9fs_show_options+0x6c0/0x6c0 [ 116.354299][ T8453] ? __kasan_check_read+0x11/0x20 [ 116.359295][ T8453] ? netdev_adjacent_change_prepare+0x10/0x90 [ 116.365332][ T8453] ? v9fs_mount+0x55/0x7f0 [ 116.369809][ T8453] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.375329][ T8453] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.381368][ T8453] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.387161][ T8453] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.392764][ T8453] ? apparmor_task_alloc+0x2f0/0x2f0 [ 116.398097][ T8453] v9fs_mount+0x72/0x7f0 [ 116.402342][ T8453] ? v9fs_write_inode+0x50/0x50 [ 116.407172][ T8453] legacy_get_tree+0x103/0x1f0 [ 116.411932][ T8453] vfs_get_tree+0x8b/0x2d0 [ 116.416321][ T8453] ? capable+0x14/0x20 [ 116.420363][ T8453] do_mount+0x1272/0x1c30 [ 116.424662][ T8453] ? lock_downgrade+0x960/0x960 [ 116.429497][ T8453] ? copy_mount_string+0x20/0x20 [ 116.434412][ T8453] ? __kasan_check_write+0x14/0x20 [ 116.439503][ T8453] ? _copy_from_user+0xc5/0x110 [ 116.444338][ T8453] __x64_sys_mount+0x169/0x1c0 [ 116.449080][ T8453] do_syscall_64+0xd0/0x630 [ 116.453563][ T8453] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 116.459434][ T8453] RIP: 0033:0x458da9 [ 116.463301][ T8453] 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 [ 116.483329][ T8453] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 116.491801][ T8453] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 116.499745][ T8453] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 116.507689][ T8453] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 116.515658][ T8453] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 116.523612][ T8453] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 116.531578][ T8462] CPU: 1 PID: 8462 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 116.540152][ T8462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.541665][ T8448] FAULT_INJECTION: forcing a failure. [ 116.541665][ T8448] name failslab, interval 1, probability 0, space 0, times 0 [ 116.550195][ T8462] Call Trace: [ 116.566026][ T8462] dump_stack+0x12d/0x187 [ 116.570361][ T8462] should_fail.cold.4+0x5/0x13 [ 116.575209][ T8462] ? stack_trace_save+0x82/0xb0 [ 116.580303][ T8462] ? fault_create_debugfs_attr+0x150/0x150 [ 116.586552][ T8462] __should_failslab+0xba/0xf0 [ 116.591293][ T8462] should_failslab+0x9/0x14 [ 116.595770][ T8462] kmem_cache_alloc+0x47/0x760 [ 116.600507][ T8462] ? __kasan_check_read+0x11/0x20 [ 116.605523][ T8462] ? mark_lock+0xbf/0x630 [ 116.609833][ T8462] ? legacy_get_tree+0x103/0x1f0 [ 116.614748][ T8462] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 116.621134][ T8462] idr_get_free+0x35d/0x880 [ 116.625698][ T8462] ? mark_held_locks+0x130/0x130 [ 116.630605][ T8462] idr_alloc_u32+0x13a/0x330 [ 116.635170][ T8462] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 116.640684][ T8462] ? lock_acquire+0x209/0x9e0 [ 116.645331][ T8462] ? __kasan_check_write+0x14/0x20 [ 116.650426][ T8462] ? do_raw_spin_lock+0x132/0x2e0 [ 116.655421][ T8462] idr_alloc+0x7d/0xc0 [ 116.659458][ T8462] ? idr_alloc_u32+0x330/0x330 [ 116.664198][ T8462] p9_client_prepare_req.part.5+0x571/0x670 [ 116.670065][ T8462] p9_client_rpc+0x174/0xe50 [ 116.674637][ T8462] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 116.680412][ T8462] ? __debug_object_init+0x4fc/0x10f0 [ 116.685751][ T8462] ? __kasan_check_read+0x11/0x20 [ 116.690754][ T8462] ? p9_client_prepare_req.part.5+0x670/0x670 [ 116.696809][ T8462] ? free_object+0x70/0x70 [ 116.701282][ T8462] ? ksys_dup3+0x2e0/0x2e0 [ 116.705683][ T8462] ? lockdep_init_map_waits+0x270/0x870 [ 116.711209][ T8462] ? __kasan_check_write+0x14/0x20 [ 116.716384][ T8462] ? p9_conn_create+0x3ce/0x4f0 [ 116.721207][ T8462] ? p9_conn_create+0x4f0/0x4f0 [ 116.726043][ T8462] p9_client_create+0x7fb/0x10f0 [ 116.730955][ T8462] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 116.736992][ T8462] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.742507][ T8462] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.748542][ T8462] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.754327][ T8462] ? lockdep_init_map_waits+0x270/0x870 [ 116.759879][ T8462] v9fs_session_init+0x1ed/0x14c0 [ 116.764873][ T8462] ? v9fs_session_init+0x1ed/0x14c0 [ 116.770054][ T8462] ? find_held_lock+0x36/0x1d0 [ 116.774790][ T8462] ? v9fs_show_options+0x6c0/0x6c0 [ 116.779871][ T8462] ? __kasan_check_read+0x11/0x20 [ 116.784867][ T8462] ? v9fs_mount+0x55/0x7f0 [ 116.789255][ T8462] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.794776][ T8462] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.800982][ T8462] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.806847][ T8462] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.812450][ T8462] ? apparmor_task_alloc+0x2f0/0x2f0 [ 116.817720][ T8462] v9fs_mount+0x72/0x7f0 [ 116.821944][ T8462] ? v9fs_write_inode+0x50/0x50 [ 116.826765][ T8462] legacy_get_tree+0x103/0x1f0 [ 116.831508][ T8462] vfs_get_tree+0x8b/0x2d0 [ 116.836502][ T8462] ? capable+0x14/0x20 [ 116.840542][ T8462] do_mount+0x1272/0x1c30 [ 116.844840][ T8462] ? lock_downgrade+0x960/0x960 [ 116.849664][ T8462] ? copy_mount_string+0x20/0x20 [ 116.854585][ T8462] ? __kasan_check_write+0x14/0x20 [ 116.859676][ T8462] ? _copy_from_user+0xc5/0x110 [ 116.864500][ T8462] __x64_sys_mount+0x169/0x1c0 [ 116.869237][ T8462] do_syscall_64+0xd0/0x630 [ 116.873713][ T8462] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 116.879571][ T8462] RIP: 0033:0x458da9 [ 116.883448][ T8462] 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 [ 116.903024][ T8462] RSP: 002b:00007fb943e34c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 116.911421][ T8462] RAX: ffffffffffffffda RBX: 00007fb943e34c90 RCX: 0000000000458da9 [ 116.919366][ T8462] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 116.927308][ T8462] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 116.935345][ T8462] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e356d4 [ 116.943310][ T8462] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 116.951293][ T8448] CPU: 0 PID: 8448 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 116.959872][ T8448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.970284][ T8448] Call Trace: [ 116.973747][ T8448] dump_stack+0x12d/0x187 [ 116.978077][ T8448] should_fail.cold.4+0x5/0x13 [ 116.983717][ T8448] ? fault_create_debugfs_attr+0x150/0x150 [ 116.989529][ T8448] ? save_stack+0x3f/0x50 [ 116.993852][ T8448] ? save_stack+0x21/0x50 [ 116.998181][ T8448] __should_failslab+0xba/0xf0 [ 117.002938][ T8448] should_failslab+0x9/0x14 [ 117.007443][ T8448] kmem_cache_alloc+0x47/0x760 [ 117.012290][ T8448] ? __kasan_check_read+0x11/0x20 [ 117.017334][ T8448] ? mark_lock+0xbf/0x630 [ 117.021656][ T8448] ? legacy_get_tree+0x103/0x1f0 [ 117.026598][ T8448] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 117.033221][ T8448] idr_get_free+0x35d/0x880 [ 117.037725][ T8448] ? mark_held_locks+0x130/0x130 [ 117.042657][ T8448] idr_alloc_u32+0x13a/0x330 [ 117.047240][ T8448] ? __radix_tree_preload+0xc1/0x230 [ 117.052517][ T8448] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 117.058050][ T8448] ? lock_acquire+0x209/0x9e0 [ 117.062813][ T8448] ? __kasan_check_write+0x14/0x20 [ 117.067921][ T8448] ? do_raw_spin_lock+0x132/0x2e0 [ 117.073033][ T8448] idr_alloc+0x7d/0xc0 [ 117.077097][ T8448] ? idr_alloc_u32+0x330/0x330 [ 117.081861][ T8448] p9_client_prepare_req.part.5+0x571/0x670 [ 117.087749][ T8448] p9_client_rpc+0x174/0xe50 [ 117.092332][ T8448] ? p9_client_prepare_req.part.5+0x670/0x670 [ 117.098395][ T8448] ? p9_pollwait+0x182/0x210 [ 117.102987][ T8448] ? pipe_poll+0xc8/0x6b0 [ 117.107392][ T8448] ? ksys_dup3+0x2e0/0x2e0 [ 117.111803][ T8448] ? p9_fd_poll+0x19b/0x2a0 [ 117.116318][ T8448] ? p9_conn_create+0x3a5/0x4f0 [ 117.121257][ T8448] ? p9_conn_create+0x4f0/0x4f0 [ 117.126107][ T8448] p9_client_create+0x7fb/0x10f0 [ 117.131050][ T8448] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 117.137119][ T8448] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.143180][ T8448] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.149235][ T8448] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.155037][ T8448] ? lockdep_init_map_waits+0x270/0x870 [ 117.160586][ T8448] v9fs_session_init+0x1ed/0x14c0 [ 117.165601][ T8448] ? v9fs_session_init+0x1ed/0x14c0 [ 117.170796][ T8448] ? find_held_lock+0x36/0x1d0 [ 117.175555][ T8448] ? v9fs_show_options+0x6c0/0x6c0 [ 117.180650][ T8448] ? __kasan_check_read+0x11/0x20 [ 117.185664][ T8448] ? v9fs_mount+0x55/0x7f0 [ 117.190073][ T8448] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.195617][ T8448] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.201662][ T8448] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.207453][ T8448] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.213017][ T8448] ? apparmor_task_alloc+0x2f0/0x2f0 [ 117.218291][ T8448] v9fs_mount+0x72/0x7f0 [ 117.222516][ T8448] ? v9fs_write_inode+0x50/0x50 [ 117.227363][ T8448] legacy_get_tree+0x103/0x1f0 [ 117.232111][ T8448] vfs_get_tree+0x8b/0x2d0 [ 117.236505][ T8448] ? capable+0x14/0x20 [ 117.240555][ T8448] do_mount+0x1272/0x1c30 [ 117.244951][ T8448] ? lock_downgrade+0x960/0x960 [ 117.249784][ T8448] ? copy_mount_string+0x20/0x20 [ 117.254710][ T8448] ? __kasan_check_write+0x14/0x20 [ 117.259799][ T8448] ? _copy_from_user+0xc5/0x110 [ 117.264636][ T8448] __x64_sys_mount+0x169/0x1c0 [ 117.269390][ T8448] do_syscall_64+0xd0/0x630 [ 117.273878][ T8448] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 117.279750][ T8448] RIP: 0033:0x458da9 [ 117.283625][ T8448] 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 [ 117.303212][ T8448] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.311612][ T8448] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 117.320307][ T8448] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.328374][ T8448] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.336329][ T8448] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 117.344894][ T8448] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.377124][ T8470] FAULT_INJECTION: forcing a failure. [ 117.377124][ T8470] name failslab, interval 1, probability 0, space 0, times 0 [ 117.389728][ T8470] CPU: 0 PID: 8470 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 117.398301][ T8470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.408354][ T8470] Call Trace: [ 117.409753][ T8473] FAULT_INJECTION: forcing a failure. [ 117.409753][ T8473] name failslab, interval 1, probability 0, space 0, times 0 [ 117.411658][ T8470] dump_stack+0x12d/0x187 [ 117.428521][ T8470] should_fail.cold.4+0x5/0x13 [ 117.433263][ T8470] ? fault_create_debugfs_attr+0x150/0x150 [ 117.439042][ T8470] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 117.445598][ T8470] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.451120][ T8470] __should_failslab+0xba/0xf0 [ 117.455857][ T8470] should_failslab+0x9/0x14 [ 117.460331][ T8470] kmem_cache_alloc+0x47/0x760 [ 117.465064][ T8470] ? __kasan_check_read+0x11/0x20 [ 117.470060][ T8470] ? mark_lock+0xbf/0x630 [ 117.474370][ T8470] ? legacy_get_tree+0x103/0x1f0 [ 117.479281][ T8470] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 117.485669][ T8470] idr_get_free+0x35d/0x880 [ 117.490164][ T8470] idr_alloc_u32+0x13a/0x330 [ 117.494738][ T8470] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 117.500253][ T8470] ? lock_acquire+0x209/0x9e0 [ 117.504909][ T8470] ? __kasan_check_write+0x14/0x20 [ 117.509991][ T8470] ? do_raw_spin_lock+0x132/0x2e0 [ 117.514989][ T8470] idr_alloc+0x7d/0xc0 [ 117.519037][ T8470] ? idr_alloc_u32+0x330/0x330 [ 117.523777][ T8470] p9_client_prepare_req.part.5+0x571/0x670 [ 117.529646][ T8470] p9_client_rpc+0x174/0xe50 [ 117.534212][ T8470] ? p9_client_prepare_req.part.5+0x670/0x670 [ 117.540272][ T8470] ? p9_pollwait+0x182/0x210 [ 117.544865][ T8470] ? pipe_poll+0xc8/0x6b0 [ 117.549186][ T8470] ? ksys_dup3+0x2e0/0x2e0 [ 117.553585][ T8470] ? p9_fd_poll+0x19b/0x2a0 [ 117.558257][ T8470] ? p9_conn_create+0x3a5/0x4f0 [ 117.563091][ T8470] ? p9_conn_create+0x4f0/0x4f0 [ 117.567917][ T8470] p9_client_create+0x7fb/0x10f0 [ 117.572874][ T8470] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 117.578929][ T8470] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.584453][ T8470] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.590492][ T8470] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.596285][ T8470] ? lockdep_init_map_waits+0x270/0x870 [ 117.601809][ T8470] v9fs_session_init+0x1ed/0x14c0 [ 117.606901][ T8470] ? v9fs_session_init+0x1ed/0x14c0 [ 117.612082][ T8470] ? find_held_lock+0x36/0x1d0 [ 117.616822][ T8470] ? v9fs_show_options+0x6c0/0x6c0 [ 117.621902][ T8470] ? __kasan_check_read+0x11/0x20 [ 117.626902][ T8470] ? bitmap_ipmac_ext_cleanup+0x1e0/0x210 [ 117.632602][ T8470] ? v9fs_mount+0x55/0x7f0 [ 117.636990][ T8470] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.642513][ T8470] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.648549][ T8470] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.654420][ T8470] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.659938][ T8470] ? apparmor_task_alloc+0x2f0/0x2f0 [ 117.665204][ T8470] v9fs_mount+0x72/0x7f0 [ 117.669421][ T8470] ? v9fs_write_inode+0x50/0x50 [ 117.674242][ T8470] legacy_get_tree+0x103/0x1f0 [ 117.678991][ T8470] vfs_get_tree+0x8b/0x2d0 [ 117.683377][ T8470] ? capable+0x14/0x20 [ 117.687416][ T8470] do_mount+0x1272/0x1c30 [ 117.691716][ T8470] ? lock_downgrade+0x960/0x960 [ 117.696554][ T8470] ? copy_mount_string+0x20/0x20 [ 117.701472][ T8470] ? __kasan_check_write+0x14/0x20 [ 117.706567][ T8470] ? _copy_from_user+0xc5/0x110 [ 117.711404][ T8470] __x64_sys_mount+0x169/0x1c0 [ 117.716229][ T8470] do_syscall_64+0xd0/0x630 [ 117.720709][ T8470] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 117.726573][ T8470] RIP: 0033:0x458da9 [ 117.730450][ T8470] 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 [ 117.750033][ T8470] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.758414][ T8470] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 117.766370][ T8470] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.774315][ T8470] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.782267][ T8470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 117.790220][ T8470] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.798183][ T8473] CPU: 1 PID: 8473 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 117.808867][ T8473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.819018][ T8473] Call Trace: [ 117.822303][ T8473] dump_stack+0x12d/0x187 [ 117.826634][ T8473] should_fail.cold.4+0x5/0x13 [ 117.831392][ T8473] ? fault_create_debugfs_attr+0x150/0x150 [ 117.837196][ T8473] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 117.843778][ T8473] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.849320][ T8473] __should_failslab+0xba/0xf0 [ 117.854079][ T8473] should_failslab+0x9/0x14 [ 117.858582][ T8473] kmem_cache_alloc+0x47/0x760 [ 117.863856][ T8473] ? __kasan_check_read+0x11/0x20 [ 117.868894][ T8473] ? mark_lock+0xbf/0x630 [ 117.873356][ T8473] ? legacy_get_tree+0x103/0x1f0 [ 117.878307][ T8473] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 117.884727][ T8473] idr_get_free+0x35d/0x880 [ 117.889350][ T8473] idr_alloc_u32+0x13a/0x330 [ 117.893941][ T8473] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 117.899495][ T8473] ? lock_acquire+0x209/0x9e0 [ 117.904291][ T8473] ? __kasan_check_write+0x14/0x20 [ 117.905893][ T8484] FAULT_INJECTION: forcing a failure. [ 117.905893][ T8484] name failslab, interval 1, probability 0, space 0, times 0 [ 117.909388][ T8473] ? do_raw_spin_lock+0x132/0x2e0 [ 117.927227][ T8473] idr_alloc+0x7d/0xc0 [ 117.931396][ T8473] ? idr_alloc_u32+0x330/0x330 [ 117.936154][ T8473] p9_client_prepare_req.part.5+0x571/0x670 [ 117.942107][ T8473] p9_client_rpc+0x174/0xe50 [ 117.946699][ T8473] ? p9_client_prepare_req.part.5+0x670/0x670 [ 117.952743][ T8473] ? p9_pollwait+0x182/0x210 [ 117.957310][ T8473] ? pipe_poll+0xc8/0x6b0 [ 117.961616][ T8473] ? ksys_dup3+0x2e0/0x2e0 [ 117.966013][ T8473] ? p9_fd_poll+0x19b/0x2a0 [ 117.970499][ T8473] ? p9_conn_create+0x3a5/0x4f0 [ 117.975326][ T8473] ? p9_conn_create+0x4f0/0x4f0 [ 117.980168][ T8473] p9_client_create+0x7fb/0x10f0 [ 117.985081][ T8473] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 117.991119][ T8473] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.996648][ T8473] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.003077][ T8473] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.008885][ T8473] ? lockdep_init_map_waits+0x270/0x870 [ 118.014413][ T8473] v9fs_session_init+0x1ed/0x14c0 [ 118.019413][ T8473] ? v9fs_session_init+0x1ed/0x14c0 [ 118.024597][ T8473] ? find_held_lock+0x36/0x1d0 [ 118.029338][ T8473] ? v9fs_show_options+0x6c0/0x6c0 [ 118.034434][ T8473] ? __kasan_check_read+0x11/0x20 [ 118.039864][ T8473] ? v9fs_mount+0x55/0x7f0 [ 118.044339][ T8473] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.049941][ T8473] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.056082][ T8473] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.062052][ T8473] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.067592][ T8473] ? apparmor_task_alloc+0x2f0/0x2f0 [ 118.072857][ T8473] v9fs_mount+0x72/0x7f0 [ 118.077251][ T8473] ? v9fs_write_inode+0x50/0x50 [ 118.082168][ T8473] legacy_get_tree+0x103/0x1f0 [ 118.086912][ T8473] vfs_get_tree+0x8b/0x2d0 [ 118.091299][ T8473] ? capable+0x14/0x20 [ 118.095343][ T8473] do_mount+0x1272/0x1c30 [ 118.099642][ T8473] ? lock_downgrade+0x960/0x960 [ 118.104466][ T8473] ? copy_mount_string+0x20/0x20 [ 118.109385][ T8473] ? __kasan_check_write+0x14/0x20 [ 118.114640][ T8473] ? _copy_from_user+0xc5/0x110 [ 118.119463][ T8473] __x64_sys_mount+0x169/0x1c0 [ 118.124565][ T8473] do_syscall_64+0xd0/0x630 [ 118.129046][ T8473] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 118.134916][ T8473] RIP: 0033:0x458da9 [ 118.138794][ T8473] 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 [ 118.158368][ T8473] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 118.166764][ T8473] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 118.174717][ T8473] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 118.182667][ T8473] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 118.190624][ T8473] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 118.198851][ T8473] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 118.206815][ T8484] CPU: 0 PID: 8484 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 118.215391][ T8484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.225532][ T8484] Call Trace: [ 118.228823][ T8484] dump_stack+0x12d/0x187 [ 118.233155][ T8484] should_fail.cold.4+0x5/0x13 [ 118.237914][ T8484] ? stack_trace_save+0x82/0xb0 [ 118.242769][ T8484] ? fault_create_debugfs_attr+0x150/0x150 [ 118.248663][ T8484] __should_failslab+0xba/0xf0 [ 118.253428][ T8484] should_failslab+0x9/0x14 [ 118.257925][ T8484] kmem_cache_alloc+0x47/0x760 [ 118.262691][ T8484] ? __kasan_check_read+0x11/0x20 [ 118.267714][ T8484] ? mark_lock+0xbf/0x630 [ 118.272039][ T8484] ? legacy_get_tree+0x103/0x1f0 [ 118.276334][ T8489] FAULT_INJECTION: forcing a failure. [ 118.276334][ T8489] name failslab, interval 1, probability 0, space 0, times 0 [ 118.276966][ T8484] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 118.296846][ T8484] idr_get_free+0x35d/0x880 [ 118.301356][ T8484] ? mark_held_locks+0x130/0x130 [ 118.306293][ T8484] idr_alloc_u32+0x13a/0x330 [ 118.310869][ T8484] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 118.316396][ T8484] ? lock_acquire+0x209/0x9e0 [ 118.321137][ T8484] ? __kasan_check_write+0x14/0x20 [ 118.326223][ T8484] ? do_raw_spin_lock+0x132/0x2e0 [ 118.331231][ T8484] idr_alloc+0x7d/0xc0 [ 118.335272][ T8484] ? idr_alloc_u32+0x330/0x330 [ 118.340387][ T8484] p9_client_prepare_req.part.5+0x571/0x670 [ 118.346282][ T8484] p9_client_rpc+0x174/0xe50 [ 118.350879][ T8484] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.356927][ T8484] ? p9_pollwait+0x182/0x210 [ 118.361603][ T8484] ? pipe_poll+0xc8/0x6b0 [ 118.365937][ T8484] ? ksys_dup3+0x2e0/0x2e0 [ 118.370408][ T8484] ? p9_fd_poll+0x19b/0x2a0 [ 118.375507][ T8484] ? p9_conn_create+0x3a5/0x4f0 [ 118.380339][ T8484] ? p9_conn_create+0x4f0/0x4f0 [ 118.385813][ T8484] p9_client_create+0x7fb/0x10f0 [ 118.390847][ T8484] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.396989][ T8484] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.402539][ T8484] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.408642][ T8484] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.414804][ T8484] ? lockdep_init_map_waits+0x270/0x870 [ 118.420446][ T8484] v9fs_session_init+0x1ed/0x14c0 [ 118.425472][ T8484] ? v9fs_session_init+0x1ed/0x14c0 [ 118.430658][ T8484] ? find_held_lock+0x36/0x1d0 [ 118.435405][ T8484] ? v9fs_show_options+0x6c0/0x6c0 [ 118.440587][ T8484] ? __kasan_check_read+0x11/0x20 [ 118.445587][ T8484] ? v9fs_mount+0x55/0x7f0 [ 118.449980][ T8484] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.455500][ T8484] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.461554][ T8484] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.467339][ T8484] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.472857][ T8484] ? apparmor_task_alloc+0x2f0/0x2f0 [ 118.478119][ T8484] v9fs_mount+0x72/0x7f0 [ 118.482339][ T8484] ? v9fs_write_inode+0x50/0x50 [ 118.487163][ T8484] legacy_get_tree+0x103/0x1f0 [ 118.491903][ T8484] vfs_get_tree+0x8b/0x2d0 [ 118.496292][ T8484] ? capable+0x14/0x20 [ 118.500335][ T8484] do_mount+0x1272/0x1c30 [ 118.504725][ T8484] ? lock_downgrade+0x960/0x960 [ 118.509551][ T8484] ? copy_mount_string+0x20/0x20 [ 118.514468][ T8484] ? __kasan_check_write+0x14/0x20 [ 118.519561][ T8484] ? _copy_from_user+0xc5/0x110 [ 118.524391][ T8484] __x64_sys_mount+0x169/0x1c0 [ 118.529491][ T8484] do_syscall_64+0xd0/0x630 [ 118.533998][ T8484] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 118.540099][ T8484] RIP: 0033:0x458da9 [ 118.544075][ T8484] 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 [ 118.569159][ T8484] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 118.577809][ T8484] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 118.586044][ T8484] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 118.595035][ T8484] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 118.602984][ T8484] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 118.610945][ T8484] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 118.618915][ T8489] CPU: 1 PID: 8489 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 118.627500][ T8489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.638596][ T8489] Call Trace: [ 118.641971][ T8489] dump_stack+0x12d/0x187 [ 118.646309][ T8489] should_fail.cold.4+0x5/0x13 [ 118.651069][ T8489] ? fault_create_debugfs_attr+0x150/0x150 [ 118.657224][ T8489] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 118.663812][ T8489] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.669358][ T8489] __should_failslab+0xba/0xf0 [ 118.674118][ T8489] should_failslab+0x9/0x14 [ 118.678616][ T8489] kmem_cache_alloc+0x47/0x760 [ 118.681227][ T8496] FAULT_INJECTION: forcing a failure. [ 118.681227][ T8496] name failslab, interval 1, probability 0, space 0, times 0 [ 118.683368][ T8489] ? __kasan_check_read+0x11/0x20 [ 118.701172][ T8489] ? mark_lock+0xbf/0x630 [ 118.707038][ T8489] ? legacy_get_tree+0x103/0x1f0 [ 118.712041][ T8489] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 118.718528][ T8489] idr_get_free+0x35d/0x880 [ 118.723013][ T8489] idr_alloc_u32+0x13a/0x330 [ 118.727578][ T8489] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 118.733095][ T8489] ? lock_acquire+0x209/0x9e0 [ 118.737744][ T8489] ? __kasan_check_write+0x14/0x20 [ 118.744249][ T8489] ? do_raw_spin_lock+0x132/0x2e0 [ 118.749248][ T8489] idr_alloc+0x7d/0xc0 [ 118.753384][ T8489] ? idr_alloc_u32+0x330/0x330 [ 118.758387][ T8489] p9_client_prepare_req.part.5+0x571/0x670 [ 118.764255][ T8489] p9_client_rpc+0x174/0xe50 [ 118.768904][ T8489] ? preempt_schedule_irq+0xc8/0x120 [ 118.774163][ T8489] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.780211][ T8489] ? pipe_poll+0xc8/0x6b0 [ 118.784528][ T8489] ? ksys_dup3+0x2e0/0x2e0 [ 118.788922][ T8489] ? p9_fd_poll+0x19b/0x2a0 [ 118.793399][ T8489] ? p9_conn_create+0x3a5/0x4f0 [ 118.798224][ T8489] ? p9_conn_create+0x4f0/0x4f0 [ 118.803056][ T8489] p9_client_create+0x7fb/0x10f0 [ 118.807975][ T8489] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.814017][ T8489] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.819550][ T8489] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.825586][ T8489] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.831367][ T8489] ? lockdep_init_map_waits+0x270/0x870 [ 118.836893][ T8489] v9fs_session_init+0x1ed/0x14c0 [ 118.841887][ T8489] ? v9fs_session_init+0x1ed/0x14c0 [ 118.847144][ T8489] ? find_held_lock+0x36/0x1d0 [ 118.851884][ T8489] ? v9fs_show_options+0x6c0/0x6c0 [ 118.857226][ T8489] ? __kasan_check_read+0x11/0x20 [ 118.862225][ T8489] ? v9fs_mount+0x55/0x7f0 [ 118.866630][ T8489] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.872161][ T8489] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.878197][ T8489] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.884416][ T8489] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.889943][ T8489] ? apparmor_task_alloc+0x2f0/0x2f0 [ 118.895379][ T8489] v9fs_mount+0x72/0x7f0 [ 118.899618][ T8489] ? v9fs_write_inode+0x50/0x50 [ 118.904442][ T8489] legacy_get_tree+0x103/0x1f0 [ 118.909188][ T8489] vfs_get_tree+0x8b/0x2d0 [ 118.913576][ T8489] ? capable+0x14/0x20 [ 118.917706][ T8489] do_mount+0x1272/0x1c30 [ 118.922007][ T8489] ? lock_downgrade+0x960/0x960 [ 118.926831][ T8489] ? copy_mount_string+0x20/0x20 [ 118.931749][ T8489] ? __kasan_check_write+0x14/0x20 [ 118.938362][ T8489] ? _copy_from_user+0xc5/0x110 [ 118.943367][ T8489] __x64_sys_mount+0x169/0x1c0 [ 118.948317][ T8489] do_syscall_64+0xd0/0x630 [ 118.953505][ T8489] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 118.959369][ T8489] RIP: 0033:0x458da9 [ 118.963235][ T8489] 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 [ 118.983029][ T8489] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 118.991412][ T8489] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 118.999357][ T8489] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 119.007936][ T8489] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 119.016429][ T8489] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 119.024389][ T8489] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 119.032737][ T8496] CPU: 0 PID: 8496 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 119.041841][ T8496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.052088][ T8496] Call Trace: [ 119.055375][ T8496] dump_stack+0x12d/0x187 [ 119.059711][ T8496] should_fail.cold.4+0x5/0x13 [ 119.064475][ T8496] ? fault_create_debugfs_attr+0x150/0x150 [ 119.070376][ T8496] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 119.077381][ T8496] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.082937][ T8496] __should_failslab+0xba/0xf0 [ 119.084632][ T8500] FAULT_INJECTION: forcing a failure. [ 119.084632][ T8500] name failslab, interval 1, probability 0, space 0, times 0 [ 119.087690][ T8496] should_failslab+0x9/0x14 [ 119.104904][ T8496] kmem_cache_alloc+0x47/0x760 [ 119.109841][ T8496] ? __kasan_check_read+0x11/0x20 [ 119.114860][ T8496] ? mark_lock+0xbf/0x630 [ 119.119346][ T8496] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 119.125936][ T8496] idr_get_free+0x35d/0x880 [ 119.130685][ T8496] idr_alloc_u32+0x13a/0x330 [ 119.135257][ T8496] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 119.140862][ T8496] ? lock_acquire+0x209/0x9e0 [ 119.145790][ T8496] ? __kasan_check_write+0x14/0x20 [ 119.151136][ T8496] ? do_raw_spin_lock+0x132/0x2e0 [ 119.156571][ T8496] idr_alloc+0x7d/0xc0 [ 119.160613][ T8496] ? idr_alloc_u32+0x330/0x330 [ 119.165353][ T8496] p9_client_prepare_req.part.5+0x571/0x670 [ 119.171222][ T8496] p9_client_rpc+0x174/0xe50 [ 119.175791][ T8496] ? p9_client_prepare_req.part.5+0x670/0x670 [ 119.181829][ T8496] ? p9_pollwait+0x182/0x210 [ 119.186409][ T8496] ? pipe_poll+0xc8/0x6b0 [ 119.190711][ T8496] ? ksys_dup3+0x2e0/0x2e0 [ 119.195101][ T8496] ? p9_fd_poll+0x19b/0x2a0 [ 119.199591][ T8496] ? p9_conn_create+0x3a5/0x4f0 [ 119.204416][ T8496] ? p9_conn_create+0x4f0/0x4f0 [ 119.209765][ T8496] p9_client_create+0x7fb/0x10f0 [ 119.214683][ T8496] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 119.220726][ T8496] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.226242][ T8496] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.232278][ T8496] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.238066][ T8496] ? lockdep_init_map_waits+0x270/0x870 [ 119.244028][ T8496] v9fs_session_init+0x1ed/0x14c0 [ 119.249199][ T8496] ? v9fs_session_init+0x1ed/0x14c0 [ 119.254371][ T8496] ? find_held_lock+0x36/0x1d0 [ 119.259113][ T8496] ? v9fs_show_options+0x6c0/0x6c0 [ 119.264194][ T8496] ? __kasan_check_read+0x11/0x20 [ 119.269194][ T8496] ? v9fs_mount+0x55/0x7f0 [ 119.273584][ T8496] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.279101][ T8496] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.285152][ T8496] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.291051][ T8496] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.296577][ T8496] ? apparmor_task_alloc+0x2f0/0x2f0 [ 119.301841][ T8496] v9fs_mount+0x72/0x7f0 [ 119.306099][ T8496] ? v9fs_write_inode+0x50/0x50 [ 119.310950][ T8496] legacy_get_tree+0x103/0x1f0 [ 119.316043][ T8496] vfs_get_tree+0x8b/0x2d0 [ 119.320439][ T8496] ? capable+0x14/0x20 [ 119.324485][ T8496] do_mount+0x1272/0x1c30 [ 119.328787][ T8496] ? lock_downgrade+0x960/0x960 [ 119.333645][ T8496] ? copy_mount_string+0x20/0x20 [ 119.338581][ T8496] ? __kasan_check_write+0x14/0x20 [ 119.343664][ T8496] ? _copy_from_user+0xc5/0x110 [ 119.348501][ T8496] __x64_sys_mount+0x169/0x1c0 [ 119.353256][ T8496] do_syscall_64+0xd0/0x630 [ 119.357738][ T8496] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 119.363774][ T8496] RIP: 0033:0x458da9 [ 119.367646][ T8496] 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 [ 119.387311][ T8496] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 119.395783][ T8496] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 119.403746][ T8496] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 119.411916][ T8496] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 119.420043][ T8496] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 119.427992][ T8496] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 119.435962][ T8500] CPU: 1 PID: 8500 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 119.443776][ T8491] FAULT_INJECTION: forcing a failure. [ 119.443776][ T8491] name failslab, interval 1, probability 0, space 0, times 0 [ 119.445329][ T8500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.469479][ T8500] Call Trace: [ 119.472744][ T8500] dump_stack+0x12d/0x187 [ 119.477053][ T8500] should_fail.cold.4+0x5/0x13 [ 119.482344][ T8500] ? fault_create_debugfs_attr+0x150/0x150 [ 119.488128][ T8500] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 119.494685][ T8500] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.500204][ T8500] __should_failslab+0xba/0xf0 [ 119.504938][ T8500] should_failslab+0x9/0x14 [ 119.509421][ T8500] kmem_cache_alloc+0x47/0x760 [ 119.514152][ T8500] ? __kasan_check_read+0x11/0x20 [ 119.519146][ T8500] ? mark_lock+0xbf/0x630 [ 119.523442][ T8500] ? legacy_get_tree+0x103/0x1f0 [ 119.528354][ T8500] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 119.534750][ T8500] idr_get_free+0x35d/0x880 [ 119.539234][ T8500] idr_alloc_u32+0x13a/0x330 [ 119.543885][ T8500] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 119.549403][ T8500] ? lock_acquire+0x209/0x9e0 [ 119.554062][ T8500] ? __kasan_check_write+0x14/0x20 [ 119.559689][ T8500] ? do_raw_spin_lock+0x132/0x2e0 [ 119.564707][ T8500] idr_alloc+0x7d/0xc0 [ 119.568758][ T8500] ? idr_alloc_u32+0x330/0x330 [ 119.573501][ T8500] p9_client_prepare_req.part.5+0x571/0x670 [ 119.579409][ T8500] p9_client_rpc+0x174/0xe50 [ 119.583983][ T8500] ? p9_client_prepare_req.part.5+0x670/0x670 [ 119.590033][ T8500] ? p9_pollwait+0x182/0x210 [ 119.594609][ T8500] ? pipe_poll+0xc8/0x6b0 [ 119.598928][ T8500] ? ksys_dup3+0x2e0/0x2e0 [ 119.603363][ T8500] ? p9_fd_poll+0x19b/0x2a0 [ 119.607874][ T8500] ? p9_conn_create+0x3a5/0x4f0 [ 119.612881][ T8500] ? p9_conn_create+0x4f0/0x4f0 [ 119.617726][ T8500] p9_client_create+0x7fb/0x10f0 [ 119.622819][ T8500] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 119.628863][ T8500] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.634639][ T8500] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.640690][ T8500] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.646477][ T8500] ? lockdep_init_map_waits+0x270/0x870 [ 119.651998][ T8500] v9fs_session_init+0x1ed/0x14c0 [ 119.656992][ T8500] ? v9fs_session_init+0x1ed/0x14c0 [ 119.662167][ T8500] ? find_held_lock+0x36/0x1d0 [ 119.666933][ T8500] ? v9fs_show_options+0x6c0/0x6c0 [ 119.672012][ T8500] ? __kasan_check_read+0x11/0x20 [ 119.677017][ T8500] ? v9fs_mount+0x55/0x7f0 [ 119.681402][ T8500] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.686918][ T8500] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.692952][ T8500] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.698732][ T8500] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.704250][ T8500] ? apparmor_task_alloc+0x2f0/0x2f0 [ 119.709517][ T8500] v9fs_mount+0x72/0x7f0 [ 119.713733][ T8500] ? v9fs_write_inode+0x50/0x50 [ 119.718565][ T8500] legacy_get_tree+0x103/0x1f0 [ 119.723299][ T8500] vfs_get_tree+0x8b/0x2d0 [ 119.727695][ T8500] ? capable+0x14/0x20 [ 119.731734][ T8500] do_mount+0x1272/0x1c30 [ 119.736031][ T8500] ? lock_downgrade+0x960/0x960 [ 119.740852][ T8500] ? copy_mount_string+0x20/0x20 [ 119.745766][ T8500] ? __kasan_check_write+0x14/0x20 [ 119.750847][ T8500] ? _copy_from_user+0xc5/0x110 [ 119.755669][ T8500] __x64_sys_mount+0x169/0x1c0 [ 119.760407][ T8500] do_syscall_64+0xd0/0x630 [ 119.764889][ T8500] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 119.770750][ T8500] RIP: 0033:0x458da9 [ 119.774637][ T8500] 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 [ 119.794306][ T8500] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 119.802687][ T8500] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 119.810716][ T8500] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 119.818672][ T8500] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 119.826616][ T8500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 119.834556][ T8500] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 119.843309][ T8491] CPU: 0 PID: 8491 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 119.851887][ T8491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.862033][ T8491] Call Trace: [ 119.865317][ T8491] dump_stack+0x12d/0x187 [ 119.869646][ T8491] should_fail.cold.4+0x5/0x13 [ 119.874585][ T8491] ? fault_create_debugfs_attr+0x150/0x150 [ 119.880388][ T8491] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 119.886975][ T8491] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.892516][ T8491] __should_failslab+0xba/0xf0 [ 119.897277][ T8491] should_failslab+0x9/0x14 [ 119.901780][ T8491] kmem_cache_alloc+0x47/0x760 [ 119.906537][ T8491] ? __kasan_check_read+0x11/0x20 [ 119.911558][ T8491] ? mark_lock+0xbf/0x630 [ 119.915880][ T8491] ? legacy_get_tree+0x103/0x1f0 [ 119.920001][ T8506] FAULT_INJECTION: forcing a failure. [ 119.920001][ T8506] name failslab, interval 1, probability 0, space 0, times 0 [ 119.920895][ T8491] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 119.940798][ T8491] idr_get_free+0x35d/0x880 [ 119.945383][ T8491] idr_alloc_u32+0x13a/0x330 [ 119.949959][ T8491] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 119.955472][ T8491] ? lock_acquire+0x209/0x9e0 [ 119.960149][ T8491] ? __kasan_check_write+0x14/0x20 [ 119.965316][ T8491] ? do_raw_spin_lock+0x132/0x2e0 [ 119.970312][ T8491] idr_alloc+0x7d/0xc0 [ 119.974351][ T8491] ? idr_alloc_u32+0x330/0x330 [ 119.979104][ T8491] p9_client_prepare_req.part.5+0x571/0x670 [ 119.984971][ T8491] p9_client_rpc+0x174/0xe50 [ 119.989535][ T8491] ? p9_client_prepare_req.part.5+0x670/0x670 [ 119.995574][ T8491] ? p9_pollwait+0x182/0x210 [ 120.000135][ T8491] ? pipe_poll+0xc8/0x6b0 [ 120.004433][ T8491] ? ksys_dup3+0x2e0/0x2e0 [ 120.008822][ T8491] ? p9_fd_poll+0x19b/0x2a0 [ 120.013307][ T8491] ? p9_conn_create+0x3a5/0x4f0 [ 120.018151][ T8491] ? p9_conn_create+0x4f0/0x4f0 [ 120.023192][ T8491] p9_client_create+0x7fb/0x10f0 [ 120.028238][ T8491] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 120.034378][ T8491] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.039894][ T8491] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.045929][ T8491] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.052032][ T8491] ? lockdep_init_map_waits+0x270/0x870 [ 120.057585][ T8491] v9fs_session_init+0x1ed/0x14c0 [ 120.062590][ T8491] ? v9fs_session_init+0x1ed/0x14c0 [ 120.067770][ T8491] ? find_held_lock+0x36/0x1d0 [ 120.073558][ T8491] ? v9fs_show_options+0x6c0/0x6c0 [ 120.078644][ T8491] ? __kasan_check_read+0x11/0x20 [ 120.083648][ T8491] ? v9fs_mount+0x55/0x7f0 [ 120.088034][ T8491] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.093556][ T8491] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.099603][ T8491] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.105557][ T8491] ? kmem_cache_alloc_trace+0x39e/0x780 [ 120.111080][ T8491] ? apparmor_task_alloc+0x2f0/0x2f0 [ 120.116357][ T8491] v9fs_mount+0x72/0x7f0 [ 120.120573][ T8491] ? v9fs_write_inode+0x50/0x50 [ 120.125396][ T8491] legacy_get_tree+0x103/0x1f0 [ 120.130139][ T8491] vfs_get_tree+0x8b/0x2d0 [ 120.134537][ T8491] ? capable+0x14/0x20 [ 120.138589][ T8491] do_mount+0x1272/0x1c30 [ 120.143088][ T8491] ? lock_downgrade+0x960/0x960 [ 120.147934][ T8491] ? copy_mount_string+0x20/0x20 [ 120.152868][ T8491] ? __kasan_check_write+0x14/0x20 [ 120.158169][ T8491] ? _copy_from_user+0xc5/0x110 [ 120.163346][ T8491] __x64_sys_mount+0x169/0x1c0 [ 120.168093][ T8491] do_syscall_64+0xd0/0x630 [ 120.173177][ T8491] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 120.179039][ T8491] RIP: 0033:0x458da9 [ 120.182915][ T8491] 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 [ 120.202764][ T8491] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 120.211153][ T8491] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 120.219107][ T8491] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 120.227135][ T8491] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 120.235076][ T8491] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 120.243027][ T8491] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 120.250988][ T8506] CPU: 1 PID: 8506 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 120.259569][ T8506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.269705][ T8506] Call Trace: [ 120.272991][ T8506] dump_stack+0x12d/0x187 [ 120.277324][ T8506] should_fail.cold.4+0x5/0x13 [ 120.282122][ T8506] ? fault_create_debugfs_attr+0x150/0x150 [ 120.287923][ T8506] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 120.294505][ T8506] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.300044][ T8506] __should_failslab+0xba/0xf0 [ 120.305276][ T8506] should_failslab+0x9/0x14 [ 120.309877][ T8506] kmem_cache_alloc+0x47/0x760 [ 120.314641][ T8506] ? __kasan_check_read+0x11/0x20 [ 120.320008][ T8506] ? mark_lock+0xbf/0x630 [ 120.324337][ T8506] ? legacy_get_tree+0x103/0x1f0 [ 120.329278][ T8506] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 120.335689][ T8506] idr_get_free+0x35d/0x880 [ 120.340196][ T8506] idr_alloc_u32+0x13a/0x330 [ 120.344805][ T8506] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 120.350353][ T8506] ? lock_acquire+0x209/0x9e0 2020/04/21 09:25:17 executed programs: 181 [ 120.355027][ T8506] ? __kasan_check_write+0x14/0x20 [ 120.360137][ T8506] ? do_raw_spin_lock+0x132/0x2e0 [ 120.365185][ T8506] idr_alloc+0x7d/0xc0 [ 120.368523][ T8508] 9pnet: Insufficient options for proto=fd [ 120.369255][ T8506] ? idr_alloc_u32+0x330/0x330 [ 120.369273][ T8506] p9_client_prepare_req.part.5+0x571/0x670 [ 120.385802][ T8506] p9_client_rpc+0x174/0xe50 [ 120.388462][ T8518] FAULT_INJECTION: forcing a failure. [ 120.388462][ T8518] name failslab, interval 1, probability 0, space 0, times 0 [ 120.390386][ T8506] ? p9_client_prepare_req.part.5+0x670/0x670 [ 120.409022][ T8506] ? p9_pollwait+0x182/0x210 [ 120.413601][ T8506] ? pipe_poll+0xc8/0x6b0 [ 120.417908][ T8506] ? ksys_dup3+0x2e0/0x2e0 [ 120.422387][ T8506] ? p9_fd_poll+0x19b/0x2a0 [ 120.426864][ T8506] ? p9_conn_create+0x3a5/0x4f0 [ 120.431697][ T8506] ? p9_conn_create+0x4f0/0x4f0 [ 120.436524][ T8506] p9_client_create+0x7fb/0x10f0 [ 120.441438][ T8506] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 120.447562][ T8506] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.453087][ T8506] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.459210][ T8506] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.465098][ T8506] ? lockdep_init_map_waits+0x270/0x870 [ 120.470710][ T8506] v9fs_session_init+0x1ed/0x14c0 [ 120.475705][ T8506] ? v9fs_session_init+0x1ed/0x14c0 [ 120.480893][ T8506] ? find_held_lock+0x36/0x1d0 [ 120.485647][ T8506] ? v9fs_show_options+0x6c0/0x6c0 [ 120.490902][ T8506] ? __kasan_check_read+0x11/0x20 [ 120.495916][ T8506] ? v9fs_mount+0x55/0x7f0 [ 120.500303][ T8506] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.505828][ T8506] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.512041][ T8506] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.518446][ T8506] ? kmem_cache_alloc_trace+0x39e/0x780 [ 120.524437][ T8506] ? apparmor_task_alloc+0x2f0/0x2f0 [ 120.529795][ T8506] v9fs_mount+0x72/0x7f0 [ 120.534013][ T8506] ? v9fs_write_inode+0x50/0x50 [ 120.538837][ T8506] legacy_get_tree+0x103/0x1f0 [ 120.543574][ T8506] vfs_get_tree+0x8b/0x2d0 [ 120.547959][ T8506] ? capable+0x14/0x20 [ 120.552000][ T8506] do_mount+0x1272/0x1c30 [ 120.556471][ T8506] ? lock_downgrade+0x960/0x960 [ 120.561294][ T8506] ? copy_mount_string+0x20/0x20 [ 120.566393][ T8506] ? __kasan_check_write+0x14/0x20 [ 120.571484][ T8506] ? _copy_from_user+0xc5/0x110 [ 120.576437][ T8506] __x64_sys_mount+0x169/0x1c0 [ 120.581183][ T8506] do_syscall_64+0xd0/0x630 [ 120.585689][ T8506] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 120.591569][ T8506] RIP: 0033:0x458da9 [ 120.595449][ T8506] 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 [ 120.615201][ T8506] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 120.623583][ T8506] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 120.631526][ T8506] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 120.639469][ T8506] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 120.647414][ T8506] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 120.655358][ T8506] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 120.663328][ T8518] CPU: 0 PID: 8518 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 120.671916][ T8518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.682057][ T8518] Call Trace: [ 120.685367][ T8518] dump_stack+0x12d/0x187 [ 120.689716][ T8518] should_fail.cold.4+0x5/0x13 [ 120.694474][ T8518] ? stack_trace_save+0x82/0xb0 [ 120.699322][ T8518] ? fault_create_debugfs_attr+0x150/0x150 [ 120.705131][ T8518] __should_failslab+0xba/0xf0 [ 120.709919][ T8518] should_failslab+0x9/0x14 [ 120.714424][ T8518] kmem_cache_alloc+0x47/0x760 [ 120.719205][ T8518] ? __kasan_check_read+0x11/0x20 [ 120.724221][ T8518] ? mark_lock+0xbf/0x630 [ 120.728477][ T8524] FAULT_INJECTION: forcing a failure. [ 120.728477][ T8524] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 120.728979][ T8518] ? legacy_get_tree+0x103/0x1f0 [ 120.747047][ T8518] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 120.753454][ T8518] idr_get_free+0x35d/0x880 [ 120.757940][ T8518] ? mark_held_locks+0x130/0x130 [ 120.762854][ T8518] idr_alloc_u32+0x13a/0x330 [ 120.767416][ T8518] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 120.773015][ T8518] ? lock_acquire+0x209/0x9e0 [ 120.777674][ T8518] ? __kasan_check_write+0x14/0x20 [ 120.782755][ T8518] ? do_raw_spin_lock+0x132/0x2e0 [ 120.787753][ T8518] idr_alloc+0x7d/0xc0 [ 120.791807][ T8518] ? idr_alloc_u32+0x330/0x330 [ 120.796544][ T8518] p9_client_prepare_req.part.5+0x571/0x670 [ 120.802428][ T8518] p9_client_rpc+0x174/0xe50 [ 120.806992][ T8518] ? p9_client_prepare_req.part.5+0x670/0x670 [ 120.813043][ T8518] ? p9_pollwait+0x182/0x210 [ 120.817988][ T8518] ? pipe_poll+0xc8/0x6b0 [ 120.822314][ T8518] ? ksys_dup3+0x2e0/0x2e0 [ 120.826714][ T8518] ? p9_fd_poll+0x19b/0x2a0 [ 120.831194][ T8518] ? p9_conn_create+0x3a5/0x4f0 [ 120.836283][ T8518] ? p9_conn_create+0x4f0/0x4f0 [ 120.841202][ T8518] p9_client_create+0x7fb/0x10f0 [ 120.846206][ T8518] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 120.852259][ T8518] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.857862][ T8518] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.863898][ T8518] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.869691][ T8518] ? lockdep_init_map_waits+0x270/0x870 [ 120.875226][ T8518] v9fs_session_init+0x1ed/0x14c0 [ 120.880480][ T8518] ? v9fs_session_init+0x1ed/0x14c0 [ 120.885760][ T8518] ? find_held_lock+0x36/0x1d0 [ 120.890499][ T8518] ? v9fs_show_options+0x6c0/0x6c0 [ 120.895580][ T8518] ? __kasan_check_read+0x11/0x20 [ 120.902464][ T8518] ? v9fs_mount+0x55/0x7f0 [ 120.906858][ T8518] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.913857][ T8518] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.919894][ T8518] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.925674][ T8518] ? kmem_cache_alloc_trace+0x39e/0x780 [ 120.931365][ T8518] ? apparmor_task_alloc+0x2f0/0x2f0 [ 120.940094][ T8518] v9fs_mount+0x72/0x7f0 [ 120.944316][ T8518] ? v9fs_write_inode+0x50/0x50 [ 120.949139][ T8518] legacy_get_tree+0x103/0x1f0 [ 120.953977][ T8518] vfs_get_tree+0x8b/0x2d0 [ 120.958365][ T8518] ? capable+0x14/0x20 [ 120.962413][ T8518] do_mount+0x1272/0x1c30 [ 120.966713][ T8518] ? lock_downgrade+0x960/0x960 [ 120.971538][ T8518] ? copy_mount_string+0x20/0x20 [ 120.976470][ T8518] ? __kasan_check_write+0x14/0x20 [ 120.981560][ T8518] ? _copy_from_user+0xc5/0x110 [ 120.986396][ T8518] __x64_sys_mount+0x169/0x1c0 [ 120.991136][ T8518] do_syscall_64+0xd0/0x630 [ 120.995612][ T8518] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 121.001473][ T8518] RIP: 0033:0x458da9 [ 121.005349][ T8518] 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 [ 121.024965][ T8518] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 121.033367][ T8518] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 121.041319][ T8518] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 121.049272][ T8518] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 121.057234][ T8518] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 121.065197][ T8518] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 121.073182][ T8524] CPU: 1 PID: 8524 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 121.081940][ T8524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.091990][ T8524] Call Trace: [ 121.095276][ T8524] dump_stack+0x12d/0x187 [ 121.099611][ T8524] should_fail.cold.4+0x5/0x13 [ 121.104380][ T8524] ? fault_create_debugfs_attr+0x150/0x150 [ 121.110181][ T8524] ? kernel_text_address+0x79/0xf0 [ 121.115287][ T8524] ? __kernel_text_address+0xd/0x40 [ 121.120486][ T8524] ? unwind_get_return_address+0x61/0xa0 [ 121.126116][ T8524] should_fail_alloc_page+0x50/0x60 [ 121.131316][ T8524] __alloc_pages_nodemask+0x17f/0x880 [ 121.136688][ T8524] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 121.143618][ T8524] ? stack_trace_consume_entry+0x170/0x170 [ 121.149415][ T8524] ? fault_create_debugfs_attr+0x150/0x150 [ 121.155143][ T8535] FAULT_INJECTION: forcing a failure. [ 121.155143][ T8535] name failslab, interval 1, probability 0, space 0, times 0 [ 121.155207][ T8524] cache_grow_begin+0x92/0xc70 [ 121.172741][ T8524] ? kmem_cache_alloc+0x9c/0x760 [ 121.177651][ T8524] ? trace_hardirqs_off+0x41/0x1a0 [ 121.182749][ T8524] kmem_cache_alloc+0x691/0x760 [ 121.187577][ T8524] ? __kasan_check_read+0x11/0x20 [ 121.192581][ T8524] ? mark_lock+0xbf/0x630 [ 121.197160][ T8524] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 121.203729][ T8524] idr_get_free+0x35d/0x880 [ 121.208214][ T8524] ? mark_held_locks+0x130/0x130 [ 121.213124][ T8524] idr_alloc_u32+0x13a/0x330 [ 121.217686][ T8524] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 121.223302][ T8524] ? lock_acquire+0x209/0x9e0 [ 121.227952][ T8524] ? __kasan_check_write+0x14/0x20 [ 121.233032][ T8524] ? do_raw_spin_lock+0x132/0x2e0 [ 121.238029][ T8524] idr_alloc+0x7d/0xc0 [ 121.242069][ T8524] ? idr_alloc_u32+0x330/0x330 [ 121.246807][ T8524] p9_client_prepare_req.part.5+0x571/0x670 [ 121.252676][ T8524] p9_client_rpc+0x174/0xe50 [ 121.257246][ T8524] ? p9_client_prepare_req.part.5+0x670/0x670 [ 121.263293][ T8524] ? p9_pollwait+0x182/0x210 [ 121.267855][ T8524] ? pipe_poll+0xc8/0x6b0 [ 121.272153][ T8524] ? ksys_dup3+0x2e0/0x2e0 [ 121.276544][ T8524] ? p9_fd_poll+0x19b/0x2a0 [ 121.281018][ T8524] ? p9_conn_create+0x3a5/0x4f0 [ 121.285840][ T8524] ? p9_conn_create+0x4f0/0x4f0 [ 121.290666][ T8524] p9_client_create+0x7fb/0x10f0 [ 121.295590][ T8524] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 121.301625][ T8524] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.307147][ T8524] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.313181][ T8524] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.319061][ T8524] ? lockdep_init_map_waits+0x270/0x870 [ 121.324587][ T8524] v9fs_session_init+0x1ed/0x14c0 [ 121.330039][ T8524] ? v9fs_session_init+0x1ed/0x14c0 [ 121.335320][ T8524] ? find_held_lock+0x36/0x1d0 [ 121.341994][ T8524] ? v9fs_show_options+0x6c0/0x6c0 [ 121.347086][ T8524] ? __kasan_check_read+0x11/0x20 [ 121.352098][ T8524] ? v9fs_mount+0x55/0x7f0 [ 121.356595][ T8524] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.362130][ T8524] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.368257][ T8524] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.374043][ T8524] ? kmem_cache_alloc_trace+0x39e/0x780 [ 121.379649][ T8524] ? apparmor_task_alloc+0x2f0/0x2f0 [ 121.384926][ T8524] v9fs_mount+0x72/0x7f0 [ 121.389162][ T8524] ? v9fs_write_inode+0x50/0x50 [ 121.393993][ T8524] legacy_get_tree+0x103/0x1f0 [ 121.398736][ T8524] vfs_get_tree+0x8b/0x2d0 [ 121.403127][ T8524] ? capable+0x14/0x20 [ 121.407173][ T8524] do_mount+0x1272/0x1c30 [ 121.411502][ T8524] ? lock_downgrade+0x960/0x960 [ 121.416337][ T8524] ? copy_mount_string+0x20/0x20 [ 121.421352][ T8524] ? __kasan_check_write+0x14/0x20 [ 121.426439][ T8524] ? _copy_from_user+0xc5/0x110 [ 121.431272][ T8524] __x64_sys_mount+0x169/0x1c0 [ 121.436021][ T8524] do_syscall_64+0xd0/0x630 [ 121.440588][ T8524] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 121.446451][ T8524] RIP: 0033:0x458da9 [ 121.450333][ T8524] 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 [ 121.469907][ T8524] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 121.478297][ T8524] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 121.486250][ T8524] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 121.494193][ T8524] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 121.502141][ T8524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 121.510082][ T8524] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 121.518043][ T8535] CPU: 0 PID: 8535 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 121.519651][ T27] audit: type=1804 audit(1587461117.792:23): pid=8535 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir441039482/syzkaller.BmqxLb/29/file0" dev="sda1" ino=15992 res=1 [ 121.526619][ T8535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.526623][ T8535] Call Trace: [ 121.526635][ T8535] dump_stack+0x12d/0x187 [ 121.526648][ T8535] should_fail.cold.4+0x5/0x13 [ 121.526658][ T8535] ? fault_create_debugfs_attr+0x150/0x150 [ 121.577788][ T8535] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 121.584367][ T8535] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.589917][ T8535] __should_failslab+0xba/0xf0 [ 121.594763][ T8535] should_failslab+0x9/0x14 [ 121.599437][ T8535] kmem_cache_alloc+0x47/0x760 [ 121.604196][ T8535] ? __kasan_check_read+0x11/0x20 [ 121.609217][ T8535] ? mark_lock+0xbf/0x630 [ 121.613539][ T8535] ? legacy_get_tree+0x103/0x1f0 [ 121.616380][ T8544] 9pnet: Insufficient options for proto=fd [ 121.618475][ T8535] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 121.618489][ T8535] idr_get_free+0x35d/0x880 [ 121.618510][ T8535] idr_alloc_u32+0x13a/0x330 [ 121.618521][ T8535] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 121.618528][ T8535] ? lock_acquire+0x209/0x9e0 [ 121.618540][ T8535] ? __kasan_check_write+0x14/0x20 [ 121.618546][ T8535] ? do_raw_spin_lock+0x132/0x2e0 [ 121.618555][ T8535] idr_alloc+0x7d/0xc0 [ 121.618562][ T8535] ? idr_alloc_u32+0x330/0x330 [ 121.674444][ T8546] FAULT_INJECTION: forcing a failure. [ 121.674444][ T8546] name failslab, interval 1, probability 0, space 0, times 0 [ 121.675536][ T8535] p9_client_prepare_req.part.5+0x571/0x670 [ 121.693956][ T8535] p9_client_rpc+0x174/0xe50 [ 121.698518][ T8535] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 121.704299][ T8535] ? __debug_object_init+0x4fc/0x10f0 [ 121.710162][ T8535] ? __kasan_check_read+0x11/0x20 [ 121.715157][ T8535] ? p9_client_prepare_req.part.5+0x670/0x670 [ 121.721197][ T8535] ? free_object+0x70/0x70 [ 121.725760][ T8535] ? ksys_dup3+0x2e0/0x2e0 [ 121.730150][ T8535] ? lockdep_init_map_waits+0x270/0x870 [ 121.735668][ T8535] ? __kasan_check_write+0x14/0x20 [ 121.740757][ T8535] ? p9_conn_create+0x3ce/0x4f0 [ 121.745926][ T8535] ? p9_conn_create+0x4f0/0x4f0 [ 121.750840][ T8535] p9_client_create+0x7fb/0x10f0 [ 121.755945][ T8535] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 121.761983][ T8535] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.767503][ T8535] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.773543][ T8535] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.779330][ T8535] ? lockdep_init_map_waits+0x270/0x870 [ 121.784855][ T8535] v9fs_session_init+0x1ed/0x14c0 [ 121.789862][ T8535] ? v9fs_session_init+0x1ed/0x14c0 [ 121.795031][ T8535] ? find_held_lock+0x36/0x1d0 [ 121.799769][ T8535] ? v9fs_show_options+0x6c0/0x6c0 [ 121.805979][ T8535] ? __kasan_check_read+0x11/0x20 [ 121.810974][ T8535] ? v9fs_mount+0x55/0x7f0 [ 121.815361][ T8535] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.820876][ T8535] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.826909][ T8535] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.832694][ T8535] ? kmem_cache_alloc_trace+0x39e/0x780 [ 121.838212][ T8535] ? apparmor_task_alloc+0x2f0/0x2f0 [ 121.843473][ T8535] v9fs_mount+0x72/0x7f0 [ 121.847701][ T8535] ? v9fs_write_inode+0x50/0x50 [ 121.852531][ T8535] legacy_get_tree+0x103/0x1f0 [ 121.857355][ T8535] vfs_get_tree+0x8b/0x2d0 [ 121.861740][ T8535] ? capable+0x14/0x20 [ 121.865791][ T8535] do_mount+0x1272/0x1c30 [ 121.870089][ T8535] ? lock_downgrade+0x960/0x960 [ 121.875017][ T8535] ? copy_mount_string+0x20/0x20 [ 121.879953][ T8535] ? __kasan_check_write+0x14/0x20 [ 121.885053][ T8535] ? _copy_from_user+0xc5/0x110 [ 121.889900][ T8535] __x64_sys_mount+0x169/0x1c0 [ 121.894642][ T8535] do_syscall_64+0xd0/0x630 [ 121.899118][ T8535] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 121.904980][ T8535] RIP: 0033:0x458da9 [ 121.908847][ T8535] 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 [ 121.932883][ T8535] RSP: 002b:00007efcfe94ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 121.941539][ T8535] RAX: ffffffffffffffda RBX: 00007efcfe94ac90 RCX: 0000000000458da9 [ 121.949486][ T8535] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 121.957698][ T8535] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 121.965643][ T8535] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe94b6d4 [ 121.973600][ T8535] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 121.981564][ T8546] CPU: 1 PID: 8546 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 121.990141][ T8546] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.000193][ T8546] Call Trace: [ 122.003480][ T8546] dump_stack+0x12d/0x187 [ 122.007813][ T8546] should_fail.cold.4+0x5/0x13 [ 122.012575][ T8546] ? fault_create_debugfs_attr+0x150/0x150 [ 122.018376][ T8546] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 122.026200][ T8546] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.026521][ T8529] FAULT_INJECTION: forcing a failure. [ 122.026521][ T8529] name failslab, interval 1, probability 0, space 0, times 0 [ 122.031729][ T8546] __should_failslab+0xba/0xf0 [ 122.049003][ T8546] should_failslab+0x9/0x14 [ 122.053476][ T8546] kmem_cache_alloc+0x47/0x760 [ 122.058216][ T8546] ? __kasan_check_read+0x11/0x20 [ 122.063211][ T8546] ? mark_lock+0xbf/0x630 [ 122.067507][ T8546] ? legacy_get_tree+0x103/0x1f0 [ 122.072424][ T8546] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 122.078811][ T8546] idr_get_free+0x35d/0x880 [ 122.083291][ T8546] idr_alloc_u32+0x13a/0x330 [ 122.088904][ T8546] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 122.094416][ T8546] ? lock_acquire+0x209/0x9e0 [ 122.099070][ T8546] ? __kasan_check_write+0x14/0x20 [ 122.104151][ T8546] ? do_raw_spin_lock+0x132/0x2e0 [ 122.109148][ T8546] idr_alloc+0x7d/0xc0 [ 122.113188][ T8546] ? idr_alloc_u32+0x330/0x330 [ 122.117939][ T8546] p9_client_prepare_req.part.5+0x571/0x670 [ 122.123804][ T8546] p9_client_rpc+0x174/0xe50 [ 122.128454][ T8546] ? p9_client_prepare_req.part.5+0x670/0x670 [ 122.134492][ T8546] ? p9_pollwait+0x182/0x210 [ 122.139054][ T8546] ? pipe_poll+0xc8/0x6b0 [ 122.143350][ T8546] ? ksys_dup3+0x2e0/0x2e0 [ 122.147746][ T8546] ? p9_fd_poll+0x19b/0x2a0 [ 122.152307][ T8546] ? p9_conn_create+0x3a5/0x4f0 [ 122.157132][ T8546] ? p9_conn_create+0x4f0/0x4f0 [ 122.161959][ T8546] p9_client_create+0x7fb/0x10f0 [ 122.166871][ T8546] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 122.172909][ T8546] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.178422][ T8546] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.184528][ T8546] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.190311][ T8546] ? lockdep_init_map_waits+0x270/0x870 [ 122.195834][ T8546] v9fs_session_init+0x1ed/0x14c0 [ 122.200828][ T8546] ? v9fs_session_init+0x1ed/0x14c0 [ 122.206062][ T8546] ? find_held_lock+0x36/0x1d0 [ 122.210800][ T8546] ? v9fs_show_options+0x6c0/0x6c0 [ 122.215880][ T8546] ? __kasan_check_read+0x11/0x20 [ 122.220884][ T8546] ? v9fs_mount+0x55/0x7f0 [ 122.225271][ T8546] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.231395][ T8546] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.237439][ T8546] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.243224][ T8546] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.248738][ T8546] ? apparmor_task_alloc+0x2f0/0x2f0 [ 122.253996][ T8546] v9fs_mount+0x72/0x7f0 [ 122.258210][ T8546] ? v9fs_write_inode+0x50/0x50 [ 122.263030][ T8546] legacy_get_tree+0x103/0x1f0 [ 122.267768][ T8546] vfs_get_tree+0x8b/0x2d0 [ 122.272239][ T8546] ? capable+0x14/0x20 [ 122.276291][ T8546] do_mount+0x1272/0x1c30 [ 122.280589][ T8546] ? lock_downgrade+0x960/0x960 [ 122.285413][ T8546] ? copy_mount_string+0x20/0x20 [ 122.290327][ T8546] ? __kasan_check_write+0x14/0x20 [ 122.295425][ T8546] ? _copy_from_user+0xc5/0x110 [ 122.300248][ T8546] __x64_sys_mount+0x169/0x1c0 [ 122.305000][ T8546] do_syscall_64+0xd0/0x630 [ 122.309475][ T8546] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 122.315339][ T8546] RIP: 0033:0x458da9 [ 122.319206][ T8546] 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 [ 122.338779][ T8546] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 122.347171][ T8546] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 122.355122][ T8546] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 122.363063][ T8546] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 122.371025][ T8546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 122.378975][ T8546] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 122.386935][ T8529] CPU: 0 PID: 8529 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 122.395506][ T8529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.405555][ T8529] Call Trace: [ 122.408834][ T8529] dump_stack+0x12d/0x187 [ 122.413191][ T8529] should_fail.cold.4+0x5/0x13 [ 122.417953][ T8529] ? fault_create_debugfs_attr+0x150/0x150 [ 122.423747][ T8529] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 122.430326][ T8529] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.435865][ T8529] __should_failslab+0xba/0xf0 [ 122.436598][ T8553] FAULT_INJECTION: forcing a failure. [ 122.436598][ T8553] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 122.440637][ T8529] should_failslab+0x9/0x14 [ 122.458290][ T8529] kmem_cache_alloc+0x47/0x760 [ 122.463024][ T8529] ? __kasan_check_read+0x11/0x20 [ 122.468022][ T8529] ? mark_lock+0xbf/0x630 [ 122.475879][ T8529] ? legacy_get_tree+0x103/0x1f0 [ 122.480798][ T8529] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 122.487184][ T8529] idr_get_free+0x35d/0x880 [ 122.491666][ T8529] idr_alloc_u32+0x13a/0x330 [ 122.496228][ T8529] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 122.501750][ T8529] ? lock_acquire+0x209/0x9e0 [ 122.506399][ T8529] ? __kasan_check_write+0x14/0x20 [ 122.511493][ T8529] ? do_raw_spin_lock+0x132/0x2e0 [ 122.516490][ T8529] idr_alloc+0x7d/0xc0 [ 122.520530][ T8529] ? idr_alloc_u32+0x330/0x330 [ 122.525267][ T8529] p9_client_prepare_req.part.5+0x571/0x670 [ 122.531132][ T8529] p9_client_rpc+0x174/0xe50 [ 122.535697][ T8529] ? p9_client_prepare_req.part.5+0x670/0x670 [ 122.541747][ T8529] ? p9_pollwait+0x182/0x210 [ 122.546309][ T8529] ? pipe_poll+0xc8/0x6b0 [ 122.550607][ T8529] ? ksys_dup3+0x2e0/0x2e0 [ 122.554995][ T8529] ? p9_fd_poll+0x19b/0x2a0 [ 122.559471][ T8529] ? p9_conn_create+0x3a5/0x4f0 [ 122.564313][ T8529] ? p9_conn_create+0x4f0/0x4f0 [ 122.569175][ T8529] p9_client_create+0x7fb/0x10f0 [ 122.574097][ T8529] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 122.580159][ T8529] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.585785][ T8529] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.591823][ T8529] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.597606][ T8529] ? lockdep_init_map_waits+0x270/0x870 [ 122.603143][ T8529] v9fs_session_init+0x1ed/0x14c0 [ 122.608148][ T8529] ? v9fs_session_init+0x1ed/0x14c0 [ 122.613407][ T8529] ? find_held_lock+0x36/0x1d0 [ 122.618146][ T8529] ? v9fs_show_options+0x6c0/0x6c0 [ 122.623225][ T8529] ? __kasan_check_read+0x11/0x20 [ 122.628221][ T8529] ? v9fs_mount+0x55/0x7f0 [ 122.632609][ T8529] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.638138][ T8529] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.644171][ T8529] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.649950][ T8529] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.655477][ T8529] ? apparmor_task_alloc+0x2f0/0x2f0 [ 122.660744][ T8529] v9fs_mount+0x72/0x7f0 [ 122.664958][ T8529] ? v9fs_write_inode+0x50/0x50 [ 122.669954][ T8529] legacy_get_tree+0x103/0x1f0 [ 122.674702][ T8529] vfs_get_tree+0x8b/0x2d0 [ 122.679104][ T8529] ? capable+0x14/0x20 [ 122.683152][ T8529] do_mount+0x1272/0x1c30 [ 122.687539][ T8529] ? lock_downgrade+0x960/0x960 [ 122.692650][ T8529] ? copy_mount_string+0x20/0x20 [ 122.697584][ T8529] ? __kasan_check_write+0x14/0x20 [ 122.702678][ T8529] ? _copy_from_user+0xc5/0x110 [ 122.707609][ T8529] __x64_sys_mount+0x169/0x1c0 [ 122.712351][ T8529] do_syscall_64+0xd0/0x630 [ 122.716846][ T8529] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 122.722707][ T8529] RIP: 0033:0x458da9 [ 122.726574][ T8529] 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 [ 122.746236][ T8529] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 122.754617][ T8529] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 122.762562][ T8529] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 122.770515][ T8529] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 122.778470][ T8529] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 122.786589][ T8529] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 122.794555][ T8553] CPU: 1 PID: 8553 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 122.803591][ T8553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.813650][ T8553] Call Trace: [ 122.817227][ T8553] dump_stack+0x12d/0x187 [ 122.821557][ T8553] should_fail.cold.4+0x5/0x13 [ 122.826316][ T8553] ? fault_create_debugfs_attr+0x150/0x150 [ 122.832124][ T8553] ? kernel_text_address+0x79/0xf0 [ 122.837230][ T8553] ? __kernel_text_address+0xd/0x40 [ 122.842421][ T8553] ? unwind_get_return_address+0x61/0xa0 [ 122.848049][ T8553] should_fail_alloc_page+0x50/0x60 [ 122.853244][ T8553] __alloc_pages_nodemask+0x17f/0x880 [ 122.858969][ T8553] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 122.865906][ T8553] ? stack_trace_consume_entry+0x170/0x170 [ 122.871723][ T8553] ? fault_create_debugfs_attr+0x150/0x150 [ 122.877615][ T8553] cache_grow_begin+0x92/0xc70 [ 122.879306][ T8547] FAULT_INJECTION: forcing a failure. [ 122.879306][ T8547] name failslab, interval 1, probability 0, space 0, times 0 [ 122.882368][ T8553] ? kmem_cache_alloc+0x9c/0x760 [ 122.899852][ T8553] ? trace_hardirqs_off+0x41/0x1a0 [ 122.904942][ T8553] kmem_cache_alloc+0x691/0x760 [ 122.909766][ T8553] ? __kasan_check_read+0x11/0x20 [ 122.914768][ T8553] ? mark_lock+0xbf/0x630 [ 122.919167][ T8553] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 122.925552][ T8553] idr_get_free+0x35d/0x880 [ 122.930033][ T8553] ? mark_held_locks+0x130/0x130 [ 122.934941][ T8553] idr_alloc_u32+0x13a/0x330 [ 122.939502][ T8553] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 122.945032][ T8553] ? lock_acquire+0x209/0x9e0 [ 122.949689][ T8553] ? __kasan_check_write+0x14/0x20 [ 122.954792][ T8553] ? do_raw_spin_lock+0x132/0x2e0 [ 122.959797][ T8553] idr_alloc+0x7d/0xc0 [ 122.963859][ T8553] ? idr_alloc_u32+0x330/0x330 [ 122.968613][ T8553] p9_client_prepare_req.part.5+0x571/0x670 [ 122.974488][ T8553] p9_client_rpc+0x174/0xe50 [ 122.979054][ T8553] ? p9_client_prepare_req.part.5+0x670/0x670 [ 122.985199][ T8553] ? p9_pollwait+0x182/0x210 [ 122.989871][ T8553] ? pipe_poll+0xc8/0x6b0 [ 122.994173][ T8553] ? ksys_dup3+0x2e0/0x2e0 [ 122.998571][ T8553] ? p9_fd_poll+0x19b/0x2a0 [ 123.003064][ T8553] ? p9_conn_create+0x3a5/0x4f0 [ 123.007890][ T8553] ? p9_conn_create+0x4f0/0x4f0 [ 123.012729][ T8553] p9_client_create+0x7fb/0x10f0 [ 123.017644][ T8553] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 123.023694][ T8553] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.029296][ T8553] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.035332][ T8553] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.041735][ T8553] ? lockdep_init_map_waits+0x270/0x870 [ 123.047256][ T8553] v9fs_session_init+0x1ed/0x14c0 [ 123.052422][ T8553] ? v9fs_session_init+0x1ed/0x14c0 [ 123.057603][ T8553] ? find_held_lock+0x36/0x1d0 [ 123.062351][ T8553] ? v9fs_show_options+0x6c0/0x6c0 [ 123.067431][ T8553] ? __kasan_check_read+0x11/0x20 [ 123.072427][ T8553] ? v9fs_mount+0x55/0x7f0 [ 123.076847][ T8553] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.082481][ T8553] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.088517][ T8553] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.094300][ T8553] ? kmem_cache_alloc_trace+0x39e/0x780 [ 123.099826][ T8553] ? apparmor_task_alloc+0x2f0/0x2f0 [ 123.105085][ T8553] v9fs_mount+0x72/0x7f0 [ 123.109303][ T8553] ? v9fs_write_inode+0x50/0x50 [ 123.114130][ T8553] legacy_get_tree+0x103/0x1f0 [ 123.119128][ T8553] vfs_get_tree+0x8b/0x2d0 [ 123.123603][ T8553] ? capable+0x14/0x20 [ 123.129139][ T8553] do_mount+0x1272/0x1c30 [ 123.133442][ T8553] ? lock_downgrade+0x960/0x960 [ 123.138269][ T8553] ? copy_mount_string+0x20/0x20 [ 123.143185][ T8553] ? __kasan_check_write+0x14/0x20 [ 123.148268][ T8553] ? _copy_from_user+0xc5/0x110 [ 123.153095][ T8553] __x64_sys_mount+0x169/0x1c0 [ 123.157836][ T8553] do_syscall_64+0xd0/0x630 [ 123.162315][ T8553] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 123.168178][ T8553] RIP: 0033:0x458da9 [ 123.172047][ T8553] 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 [ 123.192072][ T8553] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 123.200458][ T8553] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 123.208404][ T8553] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 123.216366][ T8553] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 123.224508][ T8553] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 123.232543][ T8553] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 123.241033][ T8547] CPU: 0 PID: 8547 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 123.249624][ T8547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.259677][ T8547] Call Trace: [ 123.262966][ T8547] dump_stack+0x12d/0x187 [ 123.267299][ T8547] should_fail.cold.4+0x5/0x13 [ 123.272058][ T8547] ? stack_trace_save+0x82/0xb0 [ 123.276914][ T8547] ? fault_create_debugfs_attr+0x150/0x150 [ 123.282727][ T8547] __should_failslab+0xba/0xf0 [ 123.286955][ T8556] FAULT_INJECTION: forcing a failure. [ 123.286955][ T8556] name failslab, interval 1, probability 0, space 0, times 0 [ 123.287576][ T8547] should_failslab+0x9/0x14 [ 123.304605][ T8547] kmem_cache_alloc+0x47/0x760 [ 123.309340][ T8547] ? __kasan_check_read+0x11/0x20 [ 123.314338][ T8547] ? mark_lock+0xbf/0x630 [ 123.318637][ T8547] ? legacy_get_tree+0x103/0x1f0 [ 123.328895][ T8547] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 123.335344][ T8547] idr_get_free+0x35d/0x880 [ 123.340106][ T8547] ? mark_held_locks+0x130/0x130 [ 123.345021][ T8547] idr_alloc_u32+0x13a/0x330 [ 123.350715][ T8547] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 123.356840][ T8547] ? lock_acquire+0x209/0x9e0 [ 123.361535][ T8547] ? __kasan_check_write+0x14/0x20 [ 123.367186][ T8547] ? do_raw_spin_lock+0x132/0x2e0 [ 123.372215][ T8547] idr_alloc+0x7d/0xc0 [ 123.376276][ T8547] ? idr_alloc_u32+0x330/0x330 [ 123.381116][ T8547] p9_client_prepare_req.part.5+0x571/0x670 [ 123.387176][ T8547] p9_client_rpc+0x174/0xe50 [ 123.391757][ T8547] ? p9_client_prepare_req.part.5+0x670/0x670 [ 123.398008][ T8547] ? p9_pollwait+0x182/0x210 [ 123.402590][ T8547] ? pipe_poll+0xc8/0x6b0 [ 123.406920][ T8547] ? ksys_dup3+0x2e0/0x2e0 [ 123.411321][ T8547] ? p9_fd_poll+0x19b/0x2a0 [ 123.415816][ T8547] ? p9_conn_create+0x3a5/0x4f0 [ 123.420642][ T8547] ? p9_conn_create+0x4f0/0x4f0 [ 123.425472][ T8547] p9_client_create+0x7fb/0x10f0 [ 123.430525][ T8547] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 123.436579][ T8547] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.442106][ T8547] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.448148][ T8547] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.453973][ T8547] ? lockdep_init_map_waits+0x270/0x870 [ 123.459522][ T8547] v9fs_session_init+0x1ed/0x14c0 [ 123.464531][ T8547] ? v9fs_session_init+0x1ed/0x14c0 [ 123.469713][ T8547] ? find_held_lock+0x36/0x1d0 [ 123.474461][ T8547] ? v9fs_show_options+0x6c0/0x6c0 [ 123.479547][ T8547] ? __kasan_check_read+0x11/0x20 [ 123.484548][ T8547] ? v9fs_mount+0x55/0x7f0 [ 123.488937][ T8547] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.494455][ T8547] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.502664][ T8547] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.508446][ T8547] ? kmem_cache_alloc_trace+0x39e/0x780 [ 123.513982][ T8547] ? apparmor_task_alloc+0x2f0/0x2f0 [ 123.519250][ T8547] v9fs_mount+0x72/0x7f0 [ 123.523467][ T8547] ? v9fs_write_inode+0x50/0x50 [ 123.528290][ T8547] legacy_get_tree+0x103/0x1f0 [ 123.533034][ T8547] vfs_get_tree+0x8b/0x2d0 [ 123.537424][ T8547] ? capable+0x14/0x20 [ 123.541465][ T8547] do_mount+0x1272/0x1c30 [ 123.545782][ T8547] ? lock_downgrade+0x960/0x960 [ 123.550656][ T8547] ? copy_mount_string+0x20/0x20 [ 123.555602][ T8547] ? __kasan_check_write+0x14/0x20 [ 123.560899][ T8547] ? _copy_from_user+0xc5/0x110 [ 123.566257][ T8547] __x64_sys_mount+0x169/0x1c0 [ 123.571008][ T8547] do_syscall_64+0xd0/0x630 [ 123.575490][ T8547] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 123.581399][ T8547] RIP: 0033:0x458da9 [ 123.585269][ T8547] 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 [ 123.604845][ T8547] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 123.613230][ T8547] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 123.621173][ T8547] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 123.629204][ T8547] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 123.637149][ T8547] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 123.645179][ T8547] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 123.653162][ T8556] CPU: 1 PID: 8556 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 123.662871][ T8556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.672918][ T8556] Call Trace: [ 123.676204][ T8556] dump_stack+0x12d/0x187 [ 123.680533][ T8556] should_fail.cold.4+0x5/0x13 [ 123.686723][ T8556] ? fault_create_debugfs_attr+0x150/0x150 [ 123.692526][ T8556] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 123.699099][ T8556] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.704643][ T8556] __should_failslab+0xba/0xf0 [ 123.709388][ T8556] should_failslab+0x9/0x14 [ 123.713875][ T8556] kmem_cache_alloc+0x47/0x760 [ 123.718621][ T8556] ? __kasan_check_read+0x11/0x20 [ 123.723628][ T8556] ? mark_lock+0xbf/0x630 [ 123.728054][ T8556] ? legacy_get_tree+0x103/0x1f0 [ 123.732979][ T8556] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 123.739383][ T8556] idr_get_free+0x35d/0x880 [ 123.744232][ T8556] idr_alloc_u32+0x13a/0x330 [ 123.748896][ T8556] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 123.754429][ T8556] ? lock_acquire+0x209/0x9e0 [ 123.759187][ T8556] ? __kasan_check_write+0x14/0x20 [ 123.765245][ T8556] ? do_raw_spin_lock+0x132/0x2e0 [ 123.770263][ T8556] idr_alloc+0x7d/0xc0 [ 123.774327][ T8556] ? idr_alloc_u32+0x330/0x330 [ 123.779084][ T8556] p9_client_prepare_req.part.5+0x571/0x670 [ 123.785324][ T8556] p9_client_rpc+0x174/0xe50 [ 123.789913][ T8556] ? p9_client_prepare_req.part.5+0x670/0x670 [ 123.796010][ T8556] ? p9_pollwait+0x182/0x210 [ 123.803399][ T8556] ? pipe_poll+0xc8/0x6b0 [ 123.807716][ T8556] ? ksys_dup3+0x2e0/0x2e0 [ 123.812127][ T8556] ? p9_fd_poll+0x19b/0x2a0 [ 123.816622][ T8556] ? p9_conn_create+0x3a5/0x4f0 [ 123.821466][ T8556] ? p9_conn_create+0x4f0/0x4f0 [ 123.826316][ T8556] p9_client_create+0x7fb/0x10f0 [ 123.831339][ T8556] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 123.837394][ T8556] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.842927][ T8556] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.850285][ T8556] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.856095][ T8556] ? lockdep_init_map_waits+0x270/0x870 [ 123.861641][ T8556] v9fs_session_init+0x1ed/0x14c0 [ 123.866648][ T8556] ? v9fs_session_init+0x1ed/0x14c0 [ 123.871835][ T8556] ? find_held_lock+0x36/0x1d0 [ 123.876591][ T8556] ? v9fs_show_options+0x6c0/0x6c0 [ 123.881685][ T8556] ? __kasan_check_read+0x11/0x20 [ 123.886700][ T8556] ? v9fs_mount+0x55/0x7f0 [ 123.891110][ T8556] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.896639][ T8556] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.902688][ T8556] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.908491][ T8556] ? kmem_cache_alloc_trace+0x39e/0x780 [ 123.914022][ T8556] ? apparmor_task_alloc+0x2f0/0x2f0 [ 123.919292][ T8556] v9fs_mount+0x72/0x7f0 [ 123.923522][ T8556] ? v9fs_write_inode+0x50/0x50 [ 123.928354][ T8556] legacy_get_tree+0x103/0x1f0 [ 123.933121][ T8556] vfs_get_tree+0x8b/0x2d0 [ 123.937518][ T8556] ? capable+0x14/0x20 [ 123.941598][ T8556] do_mount+0x1272/0x1c30 [ 123.945912][ T8556] ? lock_downgrade+0x960/0x960 [ 123.950748][ T8556] ? copy_mount_string+0x20/0x20 [ 123.955677][ T8556] ? __kasan_check_write+0x14/0x20 [ 123.960769][ T8556] ? _copy_from_user+0xc5/0x110 [ 123.965612][ T8556] __x64_sys_mount+0x169/0x1c0 [ 123.970629][ T8556] do_syscall_64+0xd0/0x630 [ 123.976336][ T8556] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 123.982206][ T8556] RIP: 0033:0x458da9 [ 123.986089][ T8556] 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 [ 124.005763][ T8556] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 124.014155][ T8556] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 124.022118][ T8556] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 124.030081][ T8556] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 124.038038][ T8556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 124.045993][ T8556] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 124.082646][ T8570] FAULT_INJECTION: forcing a failure. [ 124.082646][ T8570] name failslab, interval 1, probability 0, space 0, times 0 [ 124.096806][ T8570] CPU: 1 PID: 8570 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 124.105731][ T8570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.112117][ T8574] FAULT_INJECTION: forcing a failure. [ 124.112117][ T8574] name failslab, interval 1, probability 0, space 0, times 0 [ 124.124977][ T8570] Call Trace: [ 124.140883][ T8570] dump_stack+0x12d/0x187 [ 124.145209][ T8570] should_fail.cold.4+0x5/0x13 [ 124.149952][ T8570] ? fault_create_debugfs_attr+0x150/0x150 [ 124.155729][ T8570] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 124.164198][ T8570] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.169719][ T8570] __should_failslab+0xba/0xf0 [ 124.174805][ T8570] should_failslab+0x9/0x14 [ 124.179277][ T8570] kmem_cache_alloc+0x47/0x760 [ 124.184010][ T8570] ? __kasan_check_read+0x11/0x20 [ 124.189024][ T8570] ? mark_lock+0xbf/0x630 [ 124.193326][ T8570] ? legacy_get_tree+0x103/0x1f0 [ 124.198256][ T8570] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 124.204648][ T8570] idr_get_free+0x35d/0x880 [ 124.209134][ T8570] idr_alloc_u32+0x13a/0x330 [ 124.213698][ T8570] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 124.219213][ T8570] ? lock_acquire+0x209/0x9e0 [ 124.223870][ T8570] ? __kasan_check_write+0x14/0x20 [ 124.228951][ T8570] ? do_raw_spin_lock+0x132/0x2e0 [ 124.233950][ T8570] idr_alloc+0x7d/0xc0 [ 124.237994][ T8570] ? idr_alloc_u32+0x330/0x330 [ 124.242734][ T8570] p9_client_prepare_req.part.5+0x571/0x670 [ 124.248785][ T8570] p9_client_rpc+0x174/0xe50 [ 124.253351][ T8570] ? p9_client_prepare_req.part.5+0x670/0x670 [ 124.259389][ T8570] ? p9_pollwait+0x182/0x210 [ 124.263966][ T8570] ? pipe_poll+0xc8/0x6b0 [ 124.268282][ T8570] ? ksys_dup3+0x2e0/0x2e0 [ 124.272673][ T8570] ? p9_fd_poll+0x19b/0x2a0 [ 124.277160][ T8570] ? p9_conn_create+0x3a5/0x4f0 [ 124.282075][ T8570] ? p9_conn_create+0x4f0/0x4f0 [ 124.287132][ T8570] p9_client_create+0x7fb/0x10f0 [ 124.292054][ T8570] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 124.298091][ T8570] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.303609][ T8570] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.309644][ T8570] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.315429][ T8570] ? lockdep_init_map_waits+0x270/0x870 [ 124.320987][ T8570] v9fs_session_init+0x1ed/0x14c0 [ 124.326092][ T8570] ? v9fs_session_init+0x1ed/0x14c0 [ 124.331264][ T8570] ? find_held_lock+0x36/0x1d0 [ 124.336001][ T8570] ? v9fs_show_options+0x6c0/0x6c0 [ 124.341082][ T8570] ? __kasan_check_read+0x11/0x20 [ 124.346082][ T8570] ? v9fs_mount+0x55/0x7f0 [ 124.350471][ T8570] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.355987][ T8570] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.362369][ T8570] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.368151][ T8570] ? kmem_cache_alloc_trace+0x39e/0x780 [ 124.373704][ T8570] ? apparmor_task_alloc+0x2f0/0x2f0 [ 124.379612][ T8570] v9fs_mount+0x72/0x7f0 [ 124.384635][ T8570] ? v9fs_write_inode+0x50/0x50 [ 124.390273][ T8570] legacy_get_tree+0x103/0x1f0 [ 124.395141][ T8570] vfs_get_tree+0x8b/0x2d0 [ 124.399535][ T8570] ? capable+0x14/0x20 [ 124.403582][ T8570] do_mount+0x1272/0x1c30 [ 124.407889][ T8570] ? lock_downgrade+0x960/0x960 [ 124.412716][ T8570] ? copy_mount_string+0x20/0x20 [ 124.417634][ T8570] ? __kasan_check_write+0x14/0x20 [ 124.422715][ T8570] ? _copy_from_user+0xc5/0x110 [ 124.427544][ T8570] __x64_sys_mount+0x169/0x1c0 [ 124.432373][ T8570] do_syscall_64+0xd0/0x630 [ 124.437032][ T8570] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 124.442981][ T8570] RIP: 0033:0x458da9 [ 124.446852][ T8570] 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 [ 124.466428][ T8570] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 124.474824][ T8570] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 124.482771][ T8570] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 124.490730][ T8570] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 124.498674][ T8570] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 124.507314][ T8570] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 124.515276][ T8574] CPU: 0 PID: 8574 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 124.519619][ T8572] FAULT_INJECTION: forcing a failure. [ 124.519619][ T8572] name failslab, interval 1, probability 0, space 0, times 0 [ 124.523862][ T8574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.546725][ T8574] Call Trace: [ 124.550005][ T8574] dump_stack+0x12d/0x187 [ 124.554324][ T8574] should_fail.cold.4+0x5/0x13 [ 124.560039][ T8574] ? fault_create_debugfs_attr+0x150/0x150 [ 124.567924][ T8574] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 124.575877][ T8574] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.582703][ T8574] __should_failslab+0xba/0xf0 [ 124.587687][ T8574] should_failslab+0x9/0x14 [ 124.592165][ T8574] kmem_cache_alloc+0x47/0x760 [ 124.596899][ T8574] ? __kasan_check_read+0x11/0x20 [ 124.602506][ T8574] ? mark_lock+0xbf/0x630 [ 124.606808][ T8574] ? legacy_get_tree+0x103/0x1f0 [ 124.611720][ T8574] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 124.618107][ T8574] idr_get_free+0x35d/0x880 [ 124.622593][ T8574] idr_alloc_u32+0x13a/0x330 [ 124.627159][ T8574] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 124.632690][ T8574] ? lock_acquire+0x209/0x9e0 [ 124.637346][ T8574] ? __kasan_check_write+0x14/0x20 [ 124.642429][ T8574] ? do_raw_spin_lock+0x132/0x2e0 [ 124.647431][ T8574] idr_alloc+0x7d/0xc0 [ 124.651472][ T8574] ? idr_alloc_u32+0x330/0x330 [ 124.657615][ T8574] p9_client_prepare_req.part.5+0x571/0x670 [ 124.663500][ T8574] p9_client_rpc+0x174/0xe50 [ 124.668067][ T8574] ? p9_client_prepare_req.part.5+0x670/0x670 [ 124.674541][ T8574] ? p9_pollwait+0x182/0x210 [ 124.679280][ T8574] ? pipe_poll+0xc8/0x6b0 [ 124.684811][ T8574] ? ksys_dup3+0x2e0/0x2e0 [ 124.689210][ T8574] ? p9_fd_poll+0x19b/0x2a0 [ 124.693685][ T8574] ? p9_conn_create+0x3a5/0x4f0 [ 124.698598][ T8574] ? p9_conn_create+0x4f0/0x4f0 [ 124.703426][ T8574] p9_client_create+0x7fb/0x10f0 [ 124.708339][ T8574] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 124.714378][ T8574] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.719896][ T8574] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.725934][ T8574] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.731714][ T8574] ? lockdep_init_map_waits+0x270/0x870 [ 124.738110][ T8574] v9fs_session_init+0x1ed/0x14c0 [ 124.743279][ T8574] ? v9fs_session_init+0x1ed/0x14c0 [ 124.748453][ T8574] ? find_held_lock+0x36/0x1d0 [ 124.754411][ T8574] ? v9fs_show_options+0x6c0/0x6c0 [ 124.760911][ T8574] ? __kasan_check_read+0x11/0x20 [ 124.766922][ T8574] ? hidp_connection_add+0x4a0/0x1ad0 [ 124.772554][ T8574] ? v9fs_mount+0x55/0x7f0 [ 124.776943][ T8574] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.783241][ T8574] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.789276][ T8574] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.795061][ T8574] ? kmem_cache_alloc_trace+0x39e/0x780 [ 124.801019][ T8574] ? apparmor_task_alloc+0x2f0/0x2f0 [ 124.806293][ T8574] v9fs_mount+0x72/0x7f0 [ 124.810513][ T8574] ? v9fs_write_inode+0x50/0x50 [ 124.815336][ T8574] legacy_get_tree+0x103/0x1f0 [ 124.820073][ T8574] vfs_get_tree+0x8b/0x2d0 [ 124.824469][ T8574] ? capable+0x14/0x20 [ 124.828857][ T8574] do_mount+0x1272/0x1c30 [ 124.833850][ T8574] ? lock_downgrade+0x960/0x960 [ 124.839370][ T8574] ? copy_mount_string+0x20/0x20 [ 124.845675][ T8574] ? __kasan_check_write+0x14/0x20 [ 124.851368][ T8574] ? _copy_from_user+0xc5/0x110 [ 124.856458][ T8574] __x64_sys_mount+0x169/0x1c0 [ 124.861285][ T8574] do_syscall_64+0xd0/0x630 [ 124.865761][ T8574] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 124.871624][ T8574] RIP: 0033:0x458da9 [ 124.875492][ T8574] 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 [ 124.895171][ T8574] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 124.903553][ T8574] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 124.911502][ T8574] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 124.919448][ T8574] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 124.927496][ T8574] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 124.935442][ T8574] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 124.943417][ T8572] CPU: 1 PID: 8572 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 124.952025][ T8572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.962081][ T8572] Call Trace: [ 124.965367][ T8572] dump_stack+0x12d/0x187 [ 124.969700][ T8572] should_fail.cold.4+0x5/0x13 [ 124.977151][ T8572] ? fault_create_debugfs_attr+0x150/0x150 [ 124.983214][ T8572] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 124.989798][ T8572] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.995357][ T8572] __should_failslab+0xba/0xf0 [ 125.000131][ T8572] should_failslab+0x9/0x14 [ 125.004632][ T8572] kmem_cache_alloc+0x47/0x760 [ 125.009382][ T8572] ? __kasan_check_read+0x11/0x20 [ 125.014396][ T8572] ? mark_lock+0xbf/0x630 [ 125.018724][ T8572] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 125.025241][ T8572] idr_get_free+0x35d/0x880 [ 125.029751][ T8572] idr_alloc_u32+0x13a/0x330 [ 125.034349][ T8572] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 125.039884][ T8572] ? lock_acquire+0x209/0x9e0 [ 125.044556][ T8572] ? __kasan_check_write+0x14/0x20 [ 125.049660][ T8572] ? do_raw_spin_lock+0x132/0x2e0 [ 125.054679][ T8572] idr_alloc+0x7d/0xc0 [ 125.058756][ T8572] ? idr_alloc_u32+0x330/0x330 [ 125.063519][ T8572] p9_client_prepare_req.part.5+0x571/0x670 [ 125.069412][ T8572] p9_client_rpc+0x174/0xe50 [ 125.074000][ T8572] ? p9_client_prepare_req.part.5+0x670/0x670 [ 125.080060][ T8572] ? p9_pollwait+0x182/0x210 [ 125.084822][ T8572] ? pipe_poll+0xc8/0x6b0 [ 125.089242][ T8572] ? ksys_dup3+0x2e0/0x2e0 [ 125.093754][ T8572] ? p9_fd_poll+0x19b/0x2a0 [ 125.098268][ T8572] ? p9_conn_create+0x3a5/0x4f0 [ 125.103117][ T8572] ? p9_conn_create+0x4f0/0x4f0 [ 125.107983][ T8572] p9_client_create+0x7fb/0x10f0 [ 125.112922][ T8572] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 125.118992][ T8572] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.124535][ T8572] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.130598][ T8572] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.136404][ T8572] ? lockdep_init_map_waits+0x270/0x870 [ 125.141956][ T8572] v9fs_session_init+0x1ed/0x14c0 [ 125.146974][ T8572] ? v9fs_session_init+0x1ed/0x14c0 [ 125.152167][ T8572] ? find_held_lock+0x36/0x1d0 [ 125.159622][ T8572] ? v9fs_show_options+0x6c0/0x6c0 [ 125.165065][ T8572] ? __kasan_check_read+0x11/0x20 [ 125.170075][ T8572] ? v9fs_mount+0x55/0x7f0 [ 125.174586][ T8572] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.180112][ T8572] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.186243][ T8572] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.192133][ T8572] ? kmem_cache_alloc_trace+0x39e/0x780 [ 125.197665][ T8572] ? apparmor_task_alloc+0x2f0/0x2f0 [ 125.204781][ T8572] v9fs_mount+0x72/0x7f0 [ 125.209011][ T8572] ? v9fs_write_inode+0x50/0x50 [ 125.214270][ T8572] legacy_get_tree+0x103/0x1f0 [ 125.219977][ T8572] vfs_get_tree+0x8b/0x2d0 [ 125.224374][ T8572] ? capable+0x14/0x20 [ 125.228428][ T8572] do_mount+0x1272/0x1c30 [ 125.232739][ T8572] ? lock_downgrade+0x960/0x960 [ 125.237578][ T8572] ? copy_mount_string+0x20/0x20 [ 125.243115][ T8572] ? __kasan_check_write+0x14/0x20 [ 125.248207][ T8572] ? _copy_from_user+0xc5/0x110 [ 125.253045][ T8572] __x64_sys_mount+0x169/0x1c0 [ 125.257796][ T8572] do_syscall_64+0xd0/0x630 [ 125.262287][ T8572] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 125.268159][ T8572] RIP: 0033:0x458da9 [ 125.272036][ T8572] 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 [ 125.294405][ T8572] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.302885][ T8572] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 125.310839][ T8572] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 125.318797][ T8572] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 125.326752][ T8572] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 125.334707][ T8572] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 125.347232][ T27] audit: type=1804 audit(1587461121.982:24): pid=8578 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir886178705/syzkaller.IEPhE9/32/file0" dev="sda1" ino=16007 res=1 [ 125.372271][ T8578] FAULT_INJECTION: forcing a failure. [ 125.372271][ T8578] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 125.386010][ T8578] CPU: 1 PID: 8578 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 125.394579][ T8578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.404622][ T8578] Call Trace: [ 125.407905][ T8578] dump_stack+0x12d/0x187 [ 125.412230][ T8578] should_fail.cold.4+0x5/0x13 [ 125.416983][ T8578] ? v9fs_mount+0x72/0x7f0 [ 125.421390][ T8578] ? fault_create_debugfs_attr+0x150/0x150 [ 125.427184][ T8578] ? kernel_text_address+0x79/0xf0 [ 125.432277][ T8578] ? __kernel_text_address+0xd/0x40 [ 125.437459][ T8578] ? unwind_get_return_address+0x61/0xa0 [ 125.443075][ T8578] should_fail_alloc_page+0x50/0x60 [ 125.448260][ T8578] __alloc_pages_nodemask+0x17f/0x880 [ 125.453615][ T8578] ? __alloc_pages_slowpath.constprop.112+0x2510/0x2510 [ 125.461055][ T8578] ? fault_create_debugfs_attr+0x150/0x150 [ 125.469137][ T8578] cache_grow_begin+0x92/0xc70 [ 125.474665][ T8578] ? kmem_cache_alloc+0x9c/0x760 [ 125.479585][ T8578] ? trace_hardirqs_off+0x41/0x1a0 [ 125.484683][ T8578] kmem_cache_alloc+0x691/0x760 [ 125.489517][ T8578] ? __kasan_check_read+0x11/0x20 [ 125.494524][ T8578] ? mark_lock+0xbf/0x630 [ 125.498843][ T8578] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 125.505243][ T8578] idr_get_free+0x35d/0x880 [ 125.509742][ T8578] idr_alloc_u32+0x13a/0x330 [ 125.514419][ T8578] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 125.519962][ T8578] ? lock_acquire+0x209/0x9e0 [ 125.524634][ T8578] ? __kasan_check_write+0x14/0x20 [ 125.529729][ T8578] ? do_raw_spin_lock+0x132/0x2e0 [ 125.534745][ T8578] idr_alloc+0x7d/0xc0 [ 125.538816][ T8578] ? idr_alloc_u32+0x330/0x330 [ 125.543598][ T8578] p9_client_prepare_req.part.5+0x571/0x670 [ 125.549571][ T8578] p9_client_rpc+0x174/0xe50 [ 125.554153][ T8578] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 125.559947][ T8578] ? __debug_object_init+0x4fc/0x10f0 [ 125.568117][ T8578] ? __kasan_check_read+0x11/0x20 [ 125.573827][ T8578] ? p9_client_prepare_req.part.5+0x670/0x670 [ 125.579981][ T8578] ? free_object+0x70/0x70 [ 125.584385][ T8578] ? ksys_dup3+0x2e0/0x2e0 [ 125.588788][ T8578] ? lockdep_init_map_waits+0x270/0x870 [ 125.594322][ T8578] ? __kasan_check_write+0x14/0x20 [ 125.599419][ T8578] ? p9_conn_create+0x3ce/0x4f0 [ 125.604258][ T8578] ? p9_conn_create+0x4f0/0x4f0 [ 125.609107][ T8578] p9_client_create+0x7fb/0x10f0 [ 125.614035][ T8578] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 125.620085][ T8578] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.625784][ T8578] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.632525][ T8578] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.640500][ T8578] ? lockdep_init_map_waits+0x270/0x870 [ 125.646038][ T8578] v9fs_session_init+0x1ed/0x14c0 [ 125.651132][ T8578] ? v9fs_session_init+0x1ed/0x14c0 [ 125.656318][ T8578] ? find_held_lock+0x36/0x1d0 [ 125.661069][ T8578] ? v9fs_show_options+0x6c0/0x6c0 [ 125.666158][ T8578] ? __kasan_check_read+0x11/0x20 [ 125.671169][ T8578] ? v9fs_mount+0x55/0x7f0 [ 125.675568][ T8578] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.682744][ T8578] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.689050][ T8578] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.694853][ T8578] ? kmem_cache_alloc_trace+0x39e/0x780 [ 125.700383][ T8578] ? apparmor_task_alloc+0x2f0/0x2f0 [ 125.705656][ T8578] v9fs_mount+0x72/0x7f0 [ 125.709992][ T8578] ? v9fs_write_inode+0x50/0x50 [ 125.714824][ T8578] legacy_get_tree+0x103/0x1f0 [ 125.719573][ T8578] vfs_get_tree+0x8b/0x2d0 [ 125.723971][ T8578] ? capable+0x14/0x20 [ 125.728025][ T8578] do_mount+0x1272/0x1c30 [ 125.732334][ T8578] ? lock_downgrade+0x960/0x960 [ 125.737174][ T8578] ? copy_mount_string+0x20/0x20 [ 125.742914][ T8578] ? __kasan_check_write+0x14/0x20 [ 125.748788][ T8578] ? _copy_from_user+0xc5/0x110 [ 125.753628][ T8578] __x64_sys_mount+0x169/0x1c0 [ 125.758390][ T8578] do_syscall_64+0xd0/0x630 [ 125.762879][ T8578] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 125.768769][ T8578] RIP: 0033:0x458da9 [ 125.772656][ T8578] 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 [ 125.792339][ T8578] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.801658][ T8578] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 125.809616][ T8578] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 125.817572][ T8578] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 125.826742][ T8578] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 2020/04/21 09:25:22 executed programs: 195 [ 125.834793][ T8578] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 125.905528][ T8591] FAULT_INJECTION: forcing a failure. [ 125.905528][ T8591] name failslab, interval 1, probability 0, space 0, times 0 [ 125.919433][ T8591] CPU: 1 PID: 8591 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 125.924113][ T8593] FAULT_INJECTION: forcing a failure. [ 125.924113][ T8593] name failslab, interval 1, probability 0, space 0, times 0 [ 125.928179][ T8591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.951122][ T8591] Call Trace: [ 125.954388][ T8591] dump_stack+0x12d/0x187 [ 125.959044][ T8591] should_fail.cold.4+0x5/0x13 [ 125.963868][ T8591] ? fault_create_debugfs_attr+0x150/0x150 [ 125.969647][ T8591] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 125.976207][ T8591] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.983202][ T8591] __should_failslab+0xba/0xf0 [ 125.987946][ T8591] should_failslab+0x9/0x14 [ 125.992421][ T8591] kmem_cache_alloc+0x47/0x760 [ 125.997154][ T8591] ? __kasan_check_read+0x11/0x20 [ 126.002149][ T8591] ? mark_lock+0xbf/0x630 [ 126.006453][ T8591] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 126.012842][ T8591] idr_get_free+0x35d/0x880 [ 126.017334][ T8591] idr_alloc_u32+0x13a/0x330 [ 126.021898][ T8591] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 126.031147][ T8591] ? lock_acquire+0x209/0x9e0 [ 126.035886][ T8591] ? __kasan_check_write+0x14/0x20 [ 126.040968][ T8591] ? do_raw_spin_lock+0x132/0x2e0 [ 126.046062][ T8591] idr_alloc+0x7d/0xc0 [ 126.051058][ T8591] ? idr_alloc_u32+0x330/0x330 [ 126.055895][ T8591] p9_client_prepare_req.part.5+0x571/0x670 [ 126.061764][ T8591] p9_client_rpc+0x174/0xe50 [ 126.067459][ T8591] ? p9_client_prepare_req.part.5+0x670/0x670 [ 126.073524][ T8591] ? p9_pollwait+0x182/0x210 [ 126.078092][ T8591] ? pipe_poll+0xc8/0x6b0 [ 126.082498][ T8591] ? ksys_dup3+0x2e0/0x2e0 [ 126.086990][ T8591] ? p9_fd_poll+0x19b/0x2a0 [ 126.091467][ T8591] ? p9_conn_create+0x3a5/0x4f0 [ 126.096829][ T8591] ? p9_conn_create+0x4f0/0x4f0 [ 126.102352][ T8591] p9_client_create+0x7fb/0x10f0 [ 126.107268][ T8591] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 126.113315][ T8591] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.118847][ T8591] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.124882][ T8591] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.130851][ T8591] ? lockdep_init_map_waits+0x270/0x870 [ 126.136378][ T8591] v9fs_session_init+0x1ed/0x14c0 [ 126.142950][ T8591] ? v9fs_session_init+0x1ed/0x14c0 [ 126.148122][ T8591] ? find_held_lock+0x36/0x1d0 [ 126.152862][ T8591] ? v9fs_show_options+0x6c0/0x6c0 [ 126.157941][ T8591] ? __kasan_check_read+0x11/0x20 [ 126.162937][ T8591] ? v9fs_mount+0x55/0x7f0 [ 126.167330][ T8591] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.172845][ T8591] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.178881][ T8591] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.184665][ T8591] ? kmem_cache_alloc_trace+0x39e/0x780 [ 126.190183][ T8591] ? apparmor_task_alloc+0x2f0/0x2f0 [ 126.195443][ T8591] v9fs_mount+0x72/0x7f0 [ 126.199661][ T8591] ? v9fs_write_inode+0x50/0x50 [ 126.204484][ T8591] legacy_get_tree+0x103/0x1f0 [ 126.209221][ T8591] vfs_get_tree+0x8b/0x2d0 [ 126.213607][ T8591] ? capable+0x14/0x20 [ 126.217668][ T8591] do_mount+0x1272/0x1c30 [ 126.222055][ T8591] ? lock_downgrade+0x960/0x960 [ 126.226881][ T8591] ? copy_mount_string+0x20/0x20 [ 126.231811][ T8591] ? __kasan_check_write+0x14/0x20 [ 126.236978][ T8591] ? _copy_from_user+0xc5/0x110 [ 126.241801][ T8591] __x64_sys_mount+0x169/0x1c0 [ 126.246550][ T8591] do_syscall_64+0xd0/0x630 [ 126.251025][ T8591] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 126.256884][ T8591] RIP: 0033:0x458da9 [ 126.260748][ T8591] 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 [ 126.280339][ T8591] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 126.288718][ T8591] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 126.296672][ T8591] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 126.304614][ T8591] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 126.312554][ T8591] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 126.320512][ T8591] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 126.328480][ T8593] CPU: 0 PID: 8593 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 126.334790][ T27] audit: type=1804 audit(1587461122.562:25): pid=8599 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir318548454/syzkaller.5Wcwh3/32/file0" dev="sda1" ino=16006 res=1 [ 126.337044][ T8593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.337049][ T8593] Call Trace: [ 126.337061][ T8593] dump_stack+0x12d/0x187 [ 126.337075][ T8593] should_fail.cold.4+0x5/0x13 [ 126.337085][ T8593] ? fault_create_debugfs_attr+0x150/0x150 [ 126.337094][ T8593] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 126.337101][ T8593] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.337112][ T8593] __should_failslab+0xba/0xf0 [ 126.363138][ T8592] FAULT_INJECTION: forcing a failure. [ 126.363138][ T8592] name failslab, interval 1, probability 0, space 0, times 0 [ 126.372540][ T8593] should_failslab+0x9/0x14 [ 126.424415][ T8593] kmem_cache_alloc+0x47/0x760 [ 126.429151][ T8593] ? __kasan_check_read+0x11/0x20 [ 126.434145][ T8593] ? mark_lock+0xbf/0x630 [ 126.438445][ T8593] ? legacy_get_tree+0x103/0x1f0 [ 126.443362][ T8593] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 126.449755][ T8593] idr_get_free+0x35d/0x880 [ 126.454244][ T8593] idr_alloc_u32+0x13a/0x330 [ 126.458820][ T8593] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 126.464340][ T8593] ? lock_acquire+0x209/0x9e0 [ 126.468987][ T8593] ? __kasan_check_write+0x14/0x20 [ 126.474068][ T8593] ? do_raw_spin_lock+0x132/0x2e0 [ 126.479063][ T8593] idr_alloc+0x7d/0xc0 [ 126.483110][ T8593] ? idr_alloc_u32+0x330/0x330 [ 126.487849][ T8593] p9_client_prepare_req.part.5+0x571/0x670 [ 126.493713][ T8593] p9_client_rpc+0x174/0xe50 [ 126.498276][ T8593] ? p9_client_prepare_req.part.5+0x670/0x670 [ 126.504313][ T8593] ? p9_pollwait+0x182/0x210 [ 126.508879][ T8593] ? pipe_poll+0xc8/0x6b0 [ 126.513177][ T8593] ? ksys_dup3+0x2e0/0x2e0 [ 126.517563][ T8593] ? p9_fd_poll+0x19b/0x2a0 [ 126.522049][ T8593] ? p9_conn_create+0x3a5/0x4f0 [ 126.526870][ T8593] ? p9_conn_create+0x4f0/0x4f0 [ 126.531698][ T8593] p9_client_create+0x7fb/0x10f0 [ 126.536612][ T8593] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 126.542659][ T8593] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.548190][ T8593] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.554250][ T8593] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.560054][ T8593] ? lockdep_init_map_waits+0x270/0x870 [ 126.565614][ T8593] v9fs_session_init+0x1ed/0x14c0 [ 126.570610][ T8593] ? v9fs_session_init+0x1ed/0x14c0 [ 126.575793][ T8593] ? find_held_lock+0x36/0x1d0 [ 126.580541][ T8593] ? v9fs_show_options+0x6c0/0x6c0 [ 126.585633][ T8593] ? __kasan_check_read+0x11/0x20 [ 126.590640][ T8593] ? v9fs_mount+0x55/0x7f0 [ 126.595028][ T8593] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.600550][ T8593] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.606584][ T8593] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.612377][ T8593] ? kmem_cache_alloc_trace+0x39e/0x780 [ 126.617896][ T8593] ? apparmor_task_alloc+0x2f0/0x2f0 [ 126.623156][ T8593] v9fs_mount+0x72/0x7f0 [ 126.627381][ T8593] ? v9fs_write_inode+0x50/0x50 [ 126.632201][ T8593] legacy_get_tree+0x103/0x1f0 [ 126.636936][ T8593] vfs_get_tree+0x8b/0x2d0 [ 126.641324][ T8593] ? capable+0x14/0x20 [ 126.645381][ T8593] do_mount+0x1272/0x1c30 [ 126.649689][ T8593] ? lock_downgrade+0x960/0x960 [ 126.654515][ T8593] ? copy_mount_string+0x20/0x20 [ 126.659430][ T8593] ? __kasan_check_write+0x14/0x20 [ 126.664511][ T8593] ? _copy_from_user+0xc5/0x110 [ 126.669335][ T8593] __x64_sys_mount+0x169/0x1c0 [ 126.674084][ T8593] do_syscall_64+0xd0/0x630 [ 126.678562][ T8593] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 126.684423][ T8593] RIP: 0033:0x458da9 [ 126.688292][ T8593] 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 [ 126.707878][ T8593] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 126.716262][ T8593] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 126.724205][ T8593] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 126.732178][ T8593] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 126.740128][ T8593] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 126.748073][ T8593] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 126.756040][ T8592] CPU: 1 PID: 8592 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 126.764609][ T8592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.774654][ T8592] Call Trace: [ 126.777934][ T8592] dump_stack+0x12d/0x187 [ 126.782260][ T8592] should_fail.cold.4+0x5/0x13 [ 126.787022][ T8592] ? fault_create_debugfs_attr+0x150/0x150 [ 126.792818][ T8592] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 126.799394][ T8592] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.805026][ T8592] __should_failslab+0xba/0xf0 [ 126.809776][ T8592] should_failslab+0x9/0x14 [ 126.814266][ T8592] kmem_cache_alloc+0x47/0x760 [ 126.815031][ T8594] 9pnet: Insufficient options for proto=fd [ 126.819010][ T8592] ? __kasan_check_read+0x11/0x20 [ 126.819019][ T8592] ? mark_lock+0xbf/0x630 [ 126.819026][ T8592] ? legacy_get_tree+0x103/0x1f0 [ 126.819038][ T8592] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 126.819049][ T8592] idr_get_free+0x35d/0x880 [ 126.850195][ T8592] idr_alloc_u32+0x13a/0x330 [ 126.854777][ T8592] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 126.860304][ T8592] ? lock_acquire+0x209/0x9e0 [ 126.864975][ T8592] ? __kasan_check_write+0x14/0x20 [ 126.867580][ T8608] 9pnet: Insufficient options for proto=fd [ 126.870072][ T8592] ? do_raw_spin_lock+0x132/0x2e0 [ 126.870085][ T8592] idr_alloc+0x7d/0xc0 [ 126.870092][ T8592] ? idr_alloc_u32+0x330/0x330 [ 126.870107][ T8592] p9_client_prepare_req.part.5+0x571/0x670 [ 126.870119][ T8592] p9_client_rpc+0x174/0xe50 [ 126.870128][ T8592] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 126.870135][ T8592] ? __debug_object_init+0x4fc/0x10f0 [ 126.870142][ T8592] ? __kasan_check_read+0x11/0x20 [ 126.870148][ T8592] ? p9_client_prepare_req.part.5+0x670/0x670 [ 126.870159][ T8592] ? free_object+0x70/0x70 [ 126.870173][ T8592] ? ksys_dup3+0x2e0/0x2e0 [ 126.870182][ T8592] ? lockdep_init_map_waits+0x270/0x870 [ 126.870190][ T8592] ? __kasan_check_write+0x14/0x20 [ 126.870196][ T8592] ? p9_conn_create+0x3ce/0x4f0 [ 126.870205][ T8592] ? p9_conn_create+0x4f0/0x4f0 [ 126.870222][ T8592] p9_client_create+0x7fb/0x10f0 [ 126.956911][ T8592] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 126.962969][ T8592] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.968507][ T8592] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.974561][ T8592] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.980365][ T8592] ? lockdep_init_map_waits+0x270/0x870 [ 126.985910][ T8592] v9fs_session_init+0x1ed/0x14c0 [ 126.990925][ T8592] ? v9fs_session_init+0x1ed/0x14c0 [ 126.996118][ T8592] ? find_held_lock+0x36/0x1d0 [ 127.000877][ T8592] ? v9fs_show_options+0x6c0/0x6c0 [ 127.005985][ T8592] ? __kasan_check_read+0x11/0x20 [ 127.011440][ T8592] ? v9fs_mount+0x55/0x7f0 [ 127.015933][ T8592] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.021480][ T8592] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.027534][ T8592] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.033334][ T8592] ? kmem_cache_alloc_trace+0x39e/0x780 [ 127.038869][ T8592] ? apparmor_task_alloc+0x2f0/0x2f0 [ 127.044148][ T8592] v9fs_mount+0x72/0x7f0 [ 127.048399][ T8592] ? v9fs_write_inode+0x50/0x50 [ 127.053241][ T8592] legacy_get_tree+0x103/0x1f0 [ 127.057997][ T8592] vfs_get_tree+0x8b/0x2d0 [ 127.062399][ T8592] ? capable+0x14/0x20 [ 127.066458][ T8592] do_mount+0x1272/0x1c30 [ 127.070773][ T8592] ? lock_downgrade+0x960/0x960 [ 127.075615][ T8592] ? copy_mount_string+0x20/0x20 [ 127.080554][ T8592] ? __kasan_check_write+0x14/0x20 [ 127.085655][ T8592] ? _copy_from_user+0xc5/0x110 [ 127.090498][ T8592] __x64_sys_mount+0x169/0x1c0 [ 127.095256][ T8592] do_syscall_64+0xd0/0x630 [ 127.099837][ T8592] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 127.105743][ T8592] RIP: 0033:0x458da9 [ 127.109621][ T8592] 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 [ 127.128963][ T8618] FAULT_INJECTION: forcing a failure. [ 127.128963][ T8618] name failslab, interval 1, probability 0, space 0, times 0 [ 127.129210][ T8592] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 127.150139][ T8592] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 127.158698][ T8592] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 127.166653][ T8592] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 127.174696][ T8592] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 127.182643][ T8592] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 127.190603][ T8618] CPU: 0 PID: 8618 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 127.199172][ T8618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.209218][ T8618] Call Trace: [ 127.212500][ T8618] dump_stack+0x12d/0x187 [ 127.213930][ T8622] FAULT_INJECTION: forcing a failure. [ 127.213930][ T8622] name failslab, interval 1, probability 0, space 0, times 0 [ 127.216816][ T8618] should_fail.cold.4+0x5/0x13 [ 127.234117][ T8618] ? fault_create_debugfs_attr+0x150/0x150 [ 127.239897][ T8618] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 127.246461][ T8618] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.251997][ T8618] __should_failslab+0xba/0xf0 [ 127.256844][ T8618] should_failslab+0x9/0x14 [ 127.261493][ T8618] kmem_cache_alloc+0x47/0x760 [ 127.266229][ T8618] ? __kasan_check_read+0x11/0x20 [ 127.271223][ T8618] ? mark_lock+0xbf/0x630 [ 127.275524][ T8618] ? legacy_get_tree+0x103/0x1f0 [ 127.280434][ T8618] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 127.286820][ T8618] idr_get_free+0x35d/0x880 [ 127.291302][ T8618] idr_alloc_u32+0x13a/0x330 [ 127.295865][ T8618] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 127.301377][ T8618] ? lock_acquire+0x209/0x9e0 [ 127.306026][ T8618] ? __kasan_check_write+0x14/0x20 [ 127.311104][ T8618] ? do_raw_spin_lock+0x132/0x2e0 [ 127.316100][ T8618] idr_alloc+0x7d/0xc0 [ 127.320150][ T8618] ? idr_alloc_u32+0x330/0x330 [ 127.324889][ T8618] p9_client_prepare_req.part.5+0x571/0x670 [ 127.330753][ T8618] p9_client_rpc+0x174/0xe50 [ 127.335354][ T8618] ? p9_client_prepare_req.part.5+0x670/0x670 [ 127.341390][ T8618] ? p9_pollwait+0x182/0x210 [ 127.345952][ T8618] ? pipe_poll+0xc8/0x6b0 [ 127.351206][ T8618] ? ksys_dup3+0x2e0/0x2e0 [ 127.355591][ T8618] ? p9_fd_poll+0x19b/0x2a0 [ 127.360075][ T8618] ? p9_conn_create+0x3a5/0x4f0 [ 127.364900][ T8618] ? p9_conn_create+0x4f0/0x4f0 [ 127.369726][ T8618] p9_client_create+0x7fb/0x10f0 [ 127.374639][ T8618] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 127.380674][ T8618] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.386192][ T8618] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.392233][ T8618] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.398022][ T8618] ? lockdep_init_map_waits+0x270/0x870 [ 127.403546][ T8618] v9fs_session_init+0x1ed/0x14c0 [ 127.408551][ T8618] ? v9fs_session_init+0x1ed/0x14c0 [ 127.413807][ T8618] ? find_held_lock+0x36/0x1d0 [ 127.418544][ T8618] ? v9fs_show_options+0x6c0/0x6c0 [ 127.423623][ T8618] ? __kasan_check_read+0x11/0x20 [ 127.428628][ T8618] ? v9fs_mount+0x55/0x7f0 [ 127.433027][ T8618] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.438540][ T8618] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.444574][ T8618] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.450444][ T8618] ? kmem_cache_alloc_trace+0x39e/0x780 [ 127.457699][ T8618] ? apparmor_task_alloc+0x2f0/0x2f0 [ 127.462954][ T8618] v9fs_mount+0x72/0x7f0 [ 127.467171][ T8618] ? v9fs_write_inode+0x50/0x50 [ 127.471990][ T8618] legacy_get_tree+0x103/0x1f0 [ 127.476724][ T8618] vfs_get_tree+0x8b/0x2d0 [ 127.481120][ T8618] ? capable+0x14/0x20 [ 127.485159][ T8618] do_mount+0x1272/0x1c30 [ 127.489455][ T8618] ? lock_downgrade+0x960/0x960 [ 127.494278][ T8618] ? copy_mount_string+0x20/0x20 [ 127.499197][ T8618] ? __kasan_check_write+0x14/0x20 [ 127.504276][ T8618] ? _copy_from_user+0xc5/0x110 [ 127.509103][ T8618] __x64_sys_mount+0x169/0x1c0 [ 127.513853][ T8618] do_syscall_64+0xd0/0x630 [ 127.518328][ T8618] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 127.524189][ T8618] RIP: 0033:0x458da9 [ 127.528055][ T8618] 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 [ 127.547715][ T8618] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 127.556093][ T8618] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 127.564047][ T8618] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 127.572004][ T8618] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 127.579968][ T8618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 127.587919][ T8618] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 127.596163][ T8622] CPU: 1 PID: 8622 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 127.604742][ T8622] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.614789][ T8622] Call Trace: [ 127.618071][ T8622] dump_stack+0x12d/0x187 [ 127.622401][ T8622] should_fail.cold.4+0x5/0x13 [ 127.627162][ T8622] ? fault_create_debugfs_attr+0x150/0x150 [ 127.632960][ T8622] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 127.639550][ T8622] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.645093][ T8622] __should_failslab+0xba/0xf0 [ 127.649853][ T8622] should_failslab+0x9/0x14 [ 127.654808][ T8622] kmem_cache_alloc+0x47/0x760 [ 127.659560][ T8622] ? __kasan_check_read+0x11/0x20 [ 127.664579][ T8622] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 127.670985][ T8622] idr_get_free+0x35d/0x880 [ 127.675488][ T8622] idr_alloc_u32+0x13a/0x330 [ 127.680069][ T8622] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 127.685603][ T8622] ? lock_acquire+0x209/0x9e0 [ 127.690271][ T8622] ? __kasan_check_write+0x14/0x20 [ 127.695362][ T8622] ? do_raw_spin_lock+0x132/0x2e0 [ 127.700367][ T8622] idr_alloc+0x7d/0xc0 [ 127.704415][ T8622] ? idr_alloc_u32+0x330/0x330 [ 127.709171][ T8622] p9_client_prepare_req.part.5+0x571/0x670 [ 127.710925][ T27] audit: type=1804 audit(1587461124.352:26): pid=8630 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir441039482/syzkaller.BmqxLb/31/file0" dev="sda1" ino=16012 res=1 [ 127.715048][ T8622] p9_client_rpc+0x174/0xe50 [ 127.715061][ T8622] ? p9_client_prepare_req.part.5+0x670/0x670 [ 127.715072][ T8622] ? p9_pollwait+0x182/0x210 [ 127.715082][ T8622] ? pipe_poll+0xc8/0x6b0 [ 127.715090][ T8622] ? ksys_dup3+0x2e0/0x2e0 [ 127.745171][ T8630] FAULT_INJECTION: forcing a failure. [ 127.745171][ T8630] name failslab, interval 1, probability 0, space 0, times 0 [ 127.748491][ T8622] ? p9_fd_poll+0x19b/0x2a0 [ 127.778738][ T8622] ? p9_conn_create+0x3a5/0x4f0 [ 127.783571][ T8622] ? p9_conn_create+0x4f0/0x4f0 [ 127.789525][ T8622] p9_client_create+0x7fb/0x10f0 [ 127.794438][ T8622] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 127.800474][ T8622] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.805997][ T8622] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.812031][ T8622] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.818255][ T8622] ? lockdep_init_map_waits+0x270/0x870 [ 127.823780][ T8622] v9fs_session_init+0x1ed/0x14c0 [ 127.828774][ T8622] ? v9fs_session_init+0x1ed/0x14c0 [ 127.833947][ T8622] ? find_held_lock+0x36/0x1d0 [ 127.838693][ T8622] ? v9fs_show_options+0x6c0/0x6c0 [ 127.843773][ T8622] ? __kasan_check_read+0x11/0x20 [ 127.848770][ T8622] ? v9fs_mount+0x55/0x7f0 [ 127.853155][ T8622] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.858671][ T8622] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.864704][ T8622] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.870505][ T8622] ? kmem_cache_alloc_trace+0x39e/0x780 [ 127.876038][ T8622] ? apparmor_task_alloc+0x2f0/0x2f0 [ 127.881306][ T8622] v9fs_mount+0x72/0x7f0 [ 127.885526][ T8622] ? v9fs_write_inode+0x50/0x50 [ 127.890348][ T8622] legacy_get_tree+0x103/0x1f0 [ 127.895089][ T8622] vfs_get_tree+0x8b/0x2d0 [ 127.899474][ T8622] ? capable+0x14/0x20 [ 127.903516][ T8622] do_mount+0x1272/0x1c30 [ 127.907815][ T8622] ? lock_downgrade+0x960/0x960 [ 127.912637][ T8622] ? copy_mount_string+0x20/0x20 [ 127.917553][ T8622] ? __kasan_check_write+0x14/0x20 [ 127.922632][ T8622] ? _copy_from_user+0xc5/0x110 [ 127.927455][ T8622] __x64_sys_mount+0x169/0x1c0 [ 127.932711][ T8622] do_syscall_64+0xd0/0x630 [ 127.937194][ T8622] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 127.943148][ T8622] RIP: 0033:0x458da9 [ 127.947104][ T8622] 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 [ 127.966966][ T8622] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 127.975440][ T8622] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 127.983387][ T8622] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 127.991329][ T8622] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 127.999271][ T8622] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 128.007229][ T8622] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 128.015193][ T8630] CPU: 0 PID: 8630 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 128.023773][ T8630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.033913][ T8630] Call Trace: [ 128.037355][ T8630] dump_stack+0x12d/0x187 [ 128.041683][ T8630] should_fail.cold.4+0x5/0x13 [ 128.046447][ T8630] ? fault_create_debugfs_attr+0x150/0x150 [ 128.046490][ T8619] FAULT_INJECTION: forcing a failure. [ 128.046490][ T8619] name failslab, interval 1, probability 0, space 0, times 0 [ 128.052239][ T8630] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 128.071370][ T8630] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.076904][ T8630] __should_failslab+0xba/0xf0 [ 128.081641][ T8630] should_failslab+0x9/0x14 [ 128.086114][ T8630] kmem_cache_alloc+0x47/0x760 [ 128.090851][ T8630] ? __kasan_check_read+0x11/0x20 [ 128.096817][ T8630] ? mark_lock+0xbf/0x630 [ 128.101114][ T8630] ? legacy_get_tree+0x103/0x1f0 [ 128.106026][ T8630] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 128.112418][ T8630] idr_get_free+0x35d/0x880 [ 128.116899][ T8630] idr_alloc_u32+0x13a/0x330 [ 128.121460][ T8630] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 128.126974][ T8630] ? lock_acquire+0x209/0x9e0 [ 128.131623][ T8630] ? __kasan_check_write+0x14/0x20 [ 128.136710][ T8630] ? do_raw_spin_lock+0x132/0x2e0 [ 128.141704][ T8630] idr_alloc+0x7d/0xc0 [ 128.145747][ T8630] ? idr_alloc_u32+0x330/0x330 [ 128.150486][ T8630] p9_client_prepare_req.part.5+0x571/0x670 [ 128.156351][ T8630] p9_client_rpc+0x174/0xe50 [ 128.160910][ T8630] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 128.166698][ T8630] ? __debug_object_init+0x4fc/0x10f0 [ 128.172049][ T8630] ? __kasan_check_read+0x11/0x20 [ 128.177041][ T8630] ? p9_client_prepare_req.part.5+0x670/0x670 [ 128.183092][ T8630] ? free_object+0x70/0x70 [ 128.187489][ T8630] ? ksys_dup3+0x2e0/0x2e0 [ 128.191878][ T8630] ? lockdep_init_map_waits+0x270/0x870 [ 128.197394][ T8630] ? __kasan_check_write+0x14/0x20 [ 128.202473][ T8630] ? p9_conn_create+0x3ce/0x4f0 [ 128.207300][ T8630] ? p9_conn_create+0x4f0/0x4f0 [ 128.212128][ T8630] p9_client_create+0x7fb/0x10f0 [ 128.217039][ T8630] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 128.223080][ T8630] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.228597][ T8630] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.234632][ T8630] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.240412][ T8630] ? lockdep_init_map_waits+0x270/0x870 [ 128.245935][ T8630] v9fs_session_init+0x1ed/0x14c0 [ 128.250928][ T8630] ? v9fs_session_init+0x1ed/0x14c0 [ 128.256189][ T8630] ? find_held_lock+0x36/0x1d0 [ 128.260930][ T8630] ? v9fs_show_options+0x6c0/0x6c0 [ 128.266010][ T8630] ? __kasan_check_read+0x11/0x20 [ 128.271006][ T8630] ? v9fs_mount+0x55/0x7f0 [ 128.275394][ T8630] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.280917][ T8630] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.286952][ T8630] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.292754][ T8630] ? kmem_cache_alloc_trace+0x39e/0x780 [ 128.298270][ T8630] ? apparmor_task_alloc+0x2f0/0x2f0 [ 128.303528][ T8630] v9fs_mount+0x72/0x7f0 [ 128.307742][ T8630] ? v9fs_write_inode+0x50/0x50 [ 128.312565][ T8630] legacy_get_tree+0x103/0x1f0 [ 128.317306][ T8630] vfs_get_tree+0x8b/0x2d0 [ 128.321698][ T8630] ? capable+0x14/0x20 [ 128.325747][ T8630] do_mount+0x1272/0x1c30 [ 128.330044][ T8630] ? lock_downgrade+0x960/0x960 [ 128.334867][ T8630] ? copy_mount_string+0x20/0x20 [ 128.339779][ T8630] ? __kasan_check_write+0x14/0x20 [ 128.344947][ T8630] ? _copy_from_user+0xc5/0x110 [ 128.349772][ T8630] __x64_sys_mount+0x169/0x1c0 [ 128.354508][ T8630] do_syscall_64+0xd0/0x630 [ 128.358993][ T8630] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 128.364886][ T8630] RIP: 0033:0x458da9 [ 128.368758][ T8630] 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 [ 128.388358][ T8630] RSP: 002b:00007efcfe94ac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 128.396743][ T8630] RAX: ffffffffffffffda RBX: 00007efcfe94ac90 RCX: 0000000000458da9 [ 128.404706][ T8630] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 128.412661][ T8630] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 128.420606][ T8630] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe94b6d4 [ 128.428559][ T8630] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 128.436532][ T8619] CPU: 1 PID: 8619 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 128.445125][ T8619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.455181][ T8619] Call Trace: [ 128.458489][ T8619] dump_stack+0x12d/0x187 [ 128.462832][ T8619] should_fail.cold.4+0x5/0x13 [ 128.467584][ T8619] ? stack_trace_save+0x82/0xb0 [ 128.472424][ T8619] ? fault_create_debugfs_attr+0x150/0x150 [ 128.478239][ T8619] __should_failslab+0xba/0xf0 [ 128.482995][ T8619] should_failslab+0x9/0x14 [ 128.487488][ T8619] kmem_cache_alloc+0x47/0x760 [ 128.493289][ T8619] ? __kasan_check_read+0x11/0x20 [ 128.498306][ T8619] ? mark_lock+0xbf/0x630 [ 128.502625][ T8619] ? legacy_get_tree+0x103/0x1f0 [ 128.507564][ T8619] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 128.513976][ T8619] idr_get_free+0x35d/0x880 [ 128.518480][ T8619] ? mark_held_locks+0x130/0x130 [ 128.523414][ T8619] idr_alloc_u32+0x13a/0x330 [ 128.527997][ T8619] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 128.533608][ T8619] ? lock_acquire+0x209/0x9e0 [ 128.538264][ T8619] ? __kasan_check_write+0x14/0x20 [ 128.543359][ T8619] ? do_raw_spin_lock+0x132/0x2e0 [ 128.548378][ T8619] idr_alloc+0x7d/0xc0 [ 128.552451][ T8619] ? idr_alloc_u32+0x330/0x330 [ 128.557211][ T8619] p9_client_prepare_req.part.5+0x571/0x670 [ 128.563103][ T8619] p9_client_rpc+0x174/0xe50 [ 128.567688][ T8619] ? p9_client_prepare_req.part.5+0x670/0x670 [ 128.573832][ T8619] ? p9_pollwait+0x182/0x210 [ 128.574273][ T8635] FAULT_INJECTION: forcing a failure. [ 128.574273][ T8635] name failslab, interval 1, probability 0, space 0, times 0 [ 128.578405][ T8619] ? pipe_poll+0xc8/0x6b0 [ 128.595272][ T8619] ? ksys_dup3+0x2e0/0x2e0 [ 128.599661][ T8619] ? p9_fd_poll+0x19b/0x2a0 [ 128.604137][ T8619] ? p9_conn_create+0x3a5/0x4f0 [ 128.608960][ T8619] ? p9_conn_create+0x4f0/0x4f0 [ 128.613793][ T8619] p9_client_create+0x7fb/0x10f0 [ 128.618710][ T8619] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 128.624751][ T8619] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.631307][ T8619] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.637349][ T8619] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.643132][ T8619] ? lockdep_init_map_waits+0x270/0x870 [ 128.648656][ T8619] v9fs_session_init+0x1ed/0x14c0 [ 128.653654][ T8619] ? v9fs_session_init+0x1ed/0x14c0 [ 128.658824][ T8619] ? find_held_lock+0x36/0x1d0 [ 128.663561][ T8619] ? v9fs_show_options+0x6c0/0x6c0 [ 128.668643][ T8619] ? __kasan_check_read+0x11/0x20 [ 128.673642][ T8619] ? v9fs_mount+0x55/0x7f0 [ 128.678028][ T8619] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.683543][ T8619] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.689578][ T8619] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.695379][ T8619] ? kmem_cache_alloc_trace+0x39e/0x780 [ 128.700903][ T8619] ? apparmor_task_alloc+0x2f0/0x2f0 [ 128.706171][ T8619] v9fs_mount+0x72/0x7f0 [ 128.710390][ T8619] ? v9fs_write_inode+0x50/0x50 [ 128.715211][ T8619] legacy_get_tree+0x103/0x1f0 [ 128.719954][ T8619] vfs_get_tree+0x8b/0x2d0 [ 128.724341][ T8619] ? capable+0x14/0x20 [ 128.728393][ T8619] do_mount+0x1272/0x1c30 [ 128.732693][ T8619] ? lock_downgrade+0x960/0x960 [ 128.737517][ T8619] ? copy_mount_string+0x20/0x20 [ 128.742429][ T8619] ? __kasan_check_write+0x14/0x20 [ 128.747692][ T8619] ? _copy_from_user+0xc5/0x110 [ 128.752517][ T8619] __x64_sys_mount+0x169/0x1c0 [ 128.757254][ T8619] do_syscall_64+0xd0/0x630 [ 128.761733][ T8619] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 128.767608][ T8619] RIP: 0033:0x458da9 [ 128.771479][ T8619] 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 [ 128.791054][ T8619] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 128.799443][ T8619] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 128.807391][ T8619] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 128.815332][ T8619] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 128.823275][ T8619] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 128.831224][ T8619] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 128.839185][ T8635] CPU: 0 PID: 8635 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 128.847765][ T8635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.857813][ T8635] Call Trace: [ 128.861095][ T8635] dump_stack+0x12d/0x187 [ 128.865428][ T8635] should_fail.cold.4+0x5/0x13 [ 128.870192][ T8635] ? fault_create_debugfs_attr+0x150/0x150 [ 128.876079][ T8635] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 128.882666][ T8635] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.888209][ T8635] __should_failslab+0xba/0xf0 [ 128.892968][ T8635] should_failslab+0x9/0x14 [ 128.897989][ T8635] kmem_cache_alloc+0x47/0x760 [ 128.902743][ T8635] ? __kasan_check_read+0x11/0x20 [ 128.907755][ T8635] ? mark_lock+0xbf/0x630 [ 128.908050][ T8643] FAULT_INJECTION: forcing a failure. [ 128.908050][ T8643] name failslab, interval 1, probability 0, space 0, times 0 [ 128.912061][ T8635] ? legacy_get_tree+0x103/0x1f0 [ 128.912073][ T8635] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 128.935906][ T8635] idr_get_free+0x35d/0x880 [ 128.940389][ T8635] idr_alloc_u32+0x13a/0x330 [ 128.944950][ T8635] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 128.950465][ T8635] ? lock_acquire+0x209/0x9e0 [ 128.955133][ T8635] ? __kasan_check_write+0x14/0x20 [ 128.960217][ T8635] ? do_raw_spin_lock+0x132/0x2e0 [ 128.965216][ T8635] idr_alloc+0x7d/0xc0 [ 128.969257][ T8635] ? idr_alloc_u32+0x330/0x330 [ 128.973995][ T8635] p9_client_prepare_req.part.5+0x571/0x670 [ 128.979862][ T8635] p9_client_rpc+0x174/0xe50 [ 128.984426][ T8635] ? p9_client_prepare_req.part.5+0x670/0x670 [ 128.990466][ T8635] ? p9_pollwait+0x182/0x210 [ 128.995028][ T8635] ? pipe_poll+0xc8/0x6b0 [ 128.999328][ T8635] ? ksys_dup3+0x2e0/0x2e0 [ 129.003715][ T8635] ? p9_fd_poll+0x19b/0x2a0 [ 129.008192][ T8635] ? p9_conn_create+0x3a5/0x4f0 [ 129.013016][ T8635] ? p9_conn_create+0x4f0/0x4f0 [ 129.017841][ T8635] p9_client_create+0x7fb/0x10f0 [ 129.022765][ T8635] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 129.028799][ T8635] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.034322][ T8635] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.040355][ T8635] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.046135][ T8635] ? lockdep_init_map_waits+0x270/0x870 [ 129.051657][ T8635] v9fs_session_init+0x1ed/0x14c0 [ 129.056662][ T8635] ? v9fs_session_init+0x1ed/0x14c0 [ 129.061831][ T8635] ? find_held_lock+0x36/0x1d0 [ 129.066576][ T8635] ? v9fs_show_options+0x6c0/0x6c0 [ 129.071674][ T8635] ? __kasan_check_read+0x11/0x20 [ 129.076673][ T8635] ? v9fs_mount+0x55/0x7f0 [ 129.081059][ T8635] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.086587][ T8635] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.093665][ T8635] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.099449][ T8635] ? kmem_cache_alloc_trace+0x39e/0x780 [ 129.104977][ T8635] ? apparmor_task_alloc+0x2f0/0x2f0 [ 129.110236][ T8635] v9fs_mount+0x72/0x7f0 [ 129.114451][ T8635] ? v9fs_write_inode+0x50/0x50 [ 129.119270][ T8635] legacy_get_tree+0x103/0x1f0 [ 129.124017][ T8635] vfs_get_tree+0x8b/0x2d0 [ 129.128408][ T8635] ? capable+0x14/0x20 [ 129.132448][ T8635] do_mount+0x1272/0x1c30 [ 129.136757][ T8635] ? lock_downgrade+0x960/0x960 [ 129.141582][ T8635] ? copy_mount_string+0x20/0x20 [ 129.146495][ T8635] ? __kasan_check_write+0x14/0x20 [ 129.151575][ T8635] ? _copy_from_user+0xc5/0x110 [ 129.156409][ T8635] __x64_sys_mount+0x169/0x1c0 [ 129.161144][ T8635] do_syscall_64+0xd0/0x630 [ 129.165629][ T8635] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 129.171490][ T8635] RIP: 0033:0x458da9 [ 129.175357][ T8635] 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 [ 129.194940][ T8635] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.203319][ T8635] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 129.211261][ T8635] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 129.219213][ T8635] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 129.227166][ T8635] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 129.235109][ T8635] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 129.243085][ T8643] CPU: 1 PID: 8643 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 129.251653][ T8643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.261695][ T8643] Call Trace: [ 129.264983][ T8643] dump_stack+0x12d/0x187 [ 129.269308][ T8643] should_fail.cold.4+0x5/0x13 [ 129.274065][ T8643] ? fault_create_debugfs_attr+0x150/0x150 [ 129.279868][ T8643] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 129.286528][ T8643] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.292065][ T8643] __should_failslab+0xba/0xf0 [ 129.294597][ T8647] FAULT_INJECTION: forcing a failure. [ 129.294597][ T8647] name failslab, interval 1, probability 0, space 0, times 0 [ 129.296814][ T8643] should_failslab+0x9/0x14 [ 129.313842][ T8643] kmem_cache_alloc+0x47/0x760 [ 129.318606][ T8643] ? __kasan_check_read+0x11/0x20 [ 129.323600][ T8643] ? mark_lock+0xbf/0x630 [ 129.327904][ T8643] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 129.334292][ T8643] idr_get_free+0x35d/0x880 [ 129.338774][ T8643] idr_alloc_u32+0x13a/0x330 [ 129.343350][ T8643] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 129.348865][ T8643] ? lock_acquire+0x209/0x9e0 [ 129.353515][ T8643] ? __kasan_check_write+0x14/0x20 [ 129.358598][ T8643] ? do_raw_spin_lock+0x132/0x2e0 [ 129.363593][ T8643] idr_alloc+0x7d/0xc0 [ 129.367643][ T8643] ? idr_alloc_u32+0x330/0x330 [ 129.372382][ T8643] p9_client_prepare_req.part.5+0x571/0x670 [ 129.378256][ T8643] p9_client_rpc+0x174/0xe50 [ 129.382836][ T8643] ? p9_client_prepare_req.part.5+0x670/0x670 [ 129.388879][ T8643] ? p9_pollwait+0x182/0x210 [ 129.393447][ T8643] ? pipe_poll+0xc8/0x6b0 [ 129.397762][ T8643] ? ksys_dup3+0x2e0/0x2e0 [ 129.402154][ T8643] ? p9_fd_poll+0x19b/0x2a0 [ 129.406633][ T8643] ? p9_conn_create+0x3a5/0x4f0 [ 129.411461][ T8643] ? p9_conn_create+0x4f0/0x4f0 [ 129.416292][ T8643] p9_client_create+0x7fb/0x10f0 [ 129.421208][ T8643] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 129.427246][ T8643] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.432765][ T8643] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.438808][ T8643] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.444599][ T8643] ? lockdep_init_map_waits+0x270/0x870 [ 129.450125][ T8643] v9fs_session_init+0x1ed/0x14c0 [ 129.455118][ T8643] ? v9fs_session_init+0x1ed/0x14c0 [ 129.460289][ T8643] ? find_held_lock+0x36/0x1d0 [ 129.465042][ T8643] ? v9fs_show_options+0x6c0/0x6c0 [ 129.470123][ T8643] ? __kasan_check_read+0x11/0x20 [ 129.475116][ T8643] ? patch_alc662+0xb0/0x8f0 [ 129.479675][ T8643] ? v9fs_mount+0x55/0x7f0 [ 129.484061][ T8643] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.489575][ T8643] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.495607][ T8643] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.501389][ T8643] ? kmem_cache_alloc_trace+0x39e/0x780 [ 129.506903][ T8643] ? apparmor_task_alloc+0x2f0/0x2f0 [ 129.512160][ T8643] v9fs_mount+0x72/0x7f0 [ 129.516372][ T8643] ? v9fs_write_inode+0x50/0x50 [ 129.521193][ T8643] legacy_get_tree+0x103/0x1f0 [ 129.525934][ T8643] vfs_get_tree+0x8b/0x2d0 [ 129.530320][ T8643] ? capable+0x14/0x20 [ 129.534365][ T8643] do_mount+0x1272/0x1c30 [ 129.538675][ T8643] ? lock_downgrade+0x960/0x960 [ 129.543499][ T8643] ? copy_mount_string+0x20/0x20 [ 129.548415][ T8643] ? __kasan_check_write+0x14/0x20 [ 129.553494][ T8643] ? _copy_from_user+0xc5/0x110 [ 129.558319][ T8643] __x64_sys_mount+0x169/0x1c0 [ 129.563074][ T8643] do_syscall_64+0xd0/0x630 [ 129.567566][ T8643] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 129.573438][ T8643] RIP: 0033:0x458da9 [ 129.577308][ T8643] 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 [ 129.596893][ T8643] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.605272][ T8643] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 129.613231][ T8643] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 129.621188][ T8643] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 129.629129][ T8643] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 129.637071][ T8643] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 129.645033][ T8647] CPU: 0 PID: 8647 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 129.653613][ T8647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.663665][ T8647] Call Trace: [ 129.666951][ T8647] dump_stack+0x12d/0x187 [ 129.671280][ T8647] should_fail.cold.4+0x5/0x13 [ 129.676032][ T8647] ? stack_trace_save+0x82/0xb0 [ 129.680883][ T8647] ? fault_create_debugfs_attr+0x150/0x150 [ 129.686778][ T8647] __should_failslab+0xba/0xf0 [ 129.691535][ T8647] should_failslab+0x9/0x14 [ 129.696116][ T8647] kmem_cache_alloc+0x47/0x760 [ 129.700866][ T8647] ? __kasan_check_read+0x11/0x20 [ 129.705878][ T8647] ? mark_lock+0xbf/0x630 [ 129.710194][ T8647] ? legacy_get_tree+0x103/0x1f0 [ 129.710802][ T8654] FAULT_INJECTION: forcing a failure. [ 129.710802][ T8654] name failslab, interval 1, probability 0, space 0, times 0 [ 129.715115][ T8647] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 129.734048][ T8647] idr_get_free+0x35d/0x880 [ 129.738527][ T8647] ? mark_held_locks+0x130/0x130 [ 129.743439][ T8647] idr_alloc_u32+0x13a/0x330 [ 129.748020][ T8647] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 129.753535][ T8647] ? lock_acquire+0x209/0x9e0 [ 129.758186][ T8647] ? __kasan_check_write+0x14/0x20 [ 129.763267][ T8647] ? do_raw_spin_lock+0x132/0x2e0 [ 129.768263][ T8647] idr_alloc+0x7d/0xc0 [ 129.772301][ T8647] ? idr_alloc_u32+0x330/0x330 [ 129.777045][ T8647] p9_client_prepare_req.part.5+0x571/0x670 [ 129.782914][ T8647] p9_client_rpc+0x174/0xe50 [ 129.787482][ T8647] ? p9_client_prepare_req.part.5+0x670/0x670 [ 129.793520][ T8647] ? p9_pollwait+0x182/0x210 [ 129.798081][ T8647] ? pipe_poll+0xc8/0x6b0 [ 129.802380][ T8647] ? ksys_dup3+0x2e0/0x2e0 [ 129.806769][ T8647] ? p9_fd_poll+0x19b/0x2a0 [ 129.811243][ T8647] ? p9_conn_create+0x3a5/0x4f0 [ 129.816072][ T8647] ? p9_conn_create+0x4f0/0x4f0 [ 129.820906][ T8647] p9_client_create+0x7fb/0x10f0 [ 129.825820][ T8647] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 129.831859][ T8647] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.837382][ T8647] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.843416][ T8647] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.849199][ T8647] ? lockdep_init_map_waits+0x270/0x870 [ 129.854722][ T8647] v9fs_session_init+0x1ed/0x14c0 [ 129.859713][ T8647] ? v9fs_session_init+0x1ed/0x14c0 [ 129.864881][ T8647] ? find_held_lock+0x36/0x1d0 [ 129.869619][ T8647] ? v9fs_show_options+0x6c0/0x6c0 [ 129.874696][ T8647] ? __kasan_check_read+0x11/0x20 [ 129.879689][ T8647] ? hash_ipportnet6_list+0xe30/0x10d0 [ 129.885114][ T8647] ? v9fs_mount+0x55/0x7f0 [ 129.889510][ T8647] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.895027][ T8647] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.901061][ T8647] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.906858][ T8647] ? kmem_cache_alloc_trace+0x39e/0x780 [ 129.912386][ T8647] ? apparmor_task_alloc+0x2f0/0x2f0 [ 129.917651][ T8647] v9fs_mount+0x72/0x7f0 [ 129.921867][ T8647] ? v9fs_write_inode+0x50/0x50 [ 129.926687][ T8647] legacy_get_tree+0x103/0x1f0 [ 129.931421][ T8647] vfs_get_tree+0x8b/0x2d0 [ 129.935891][ T8647] ? capable+0x14/0x20 [ 129.939931][ T8647] do_mount+0x1272/0x1c30 [ 129.944228][ T8647] ? lock_downgrade+0x960/0x960 [ 129.949064][ T8647] ? copy_mount_string+0x20/0x20 [ 129.953978][ T8647] ? __kasan_check_write+0x14/0x20 [ 129.959057][ T8647] ? _copy_from_user+0xc5/0x110 [ 129.963882][ T8647] __x64_sys_mount+0x169/0x1c0 [ 129.968627][ T8647] do_syscall_64+0xd0/0x630 [ 129.973134][ T8647] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 129.978996][ T8647] RIP: 0033:0x458da9 [ 129.982865][ T8647] 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 [ 130.002533][ T8647] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.011016][ T8647] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 130.018962][ T8647] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 130.028833][ T8647] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 130.036794][ T8647] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 130.044742][ T8647] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 130.052721][ T8654] CPU: 1 PID: 8654 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 130.061297][ T8654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.071347][ T8654] Call Trace: [ 130.074633][ T8654] dump_stack+0x12d/0x187 [ 130.078961][ T8654] should_fail.cold.4+0x5/0x13 [ 130.083806][ T8654] ? stack_trace_save+0x82/0xb0 [ 130.088660][ T8654] ? fault_create_debugfs_attr+0x150/0x150 [ 130.094475][ T8654] __should_failslab+0xba/0xf0 [ 130.099238][ T8654] should_failslab+0x9/0x14 [ 130.103738][ T8654] kmem_cache_alloc+0x47/0x760 [ 130.108496][ T8654] ? __kasan_check_read+0x11/0x20 [ 130.113521][ T8654] ? mark_lock+0xbf/0x630 [ 130.117846][ T8654] ? legacy_get_tree+0x103/0x1f0 [ 130.122779][ T8654] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.129188][ T8654] idr_get_free+0x35d/0x880 [ 130.133778][ T8654] ? mark_held_locks+0x130/0x130 [ 130.138713][ T8654] idr_alloc_u32+0x13a/0x330 [ 130.138980][ T8662] FAULT_INJECTION: forcing a failure. [ 130.138980][ T8662] name failslab, interval 1, probability 0, space 0, times 0 [ 130.143300][ T8654] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 130.161365][ T8654] ? lock_acquire+0x209/0x9e0 [ 130.166033][ T8654] ? __kasan_check_write+0x14/0x20 [ 130.171115][ T8654] ? do_raw_spin_lock+0x132/0x2e0 [ 130.176116][ T8654] idr_alloc+0x7d/0xc0 [ 130.180153][ T8654] ? idr_alloc_u32+0x330/0x330 [ 130.184891][ T8654] p9_client_prepare_req.part.5+0x571/0x670 [ 130.190767][ T8654] p9_client_rpc+0x174/0xe50 [ 130.195329][ T8654] ? p9_client_prepare_req.part.5+0x670/0x670 [ 130.201367][ T8654] ? p9_pollwait+0x182/0x210 [ 130.205933][ T8654] ? pipe_poll+0xc8/0x6b0 [ 130.210240][ T8654] ? ksys_dup3+0x2e0/0x2e0 [ 130.214630][ T8654] ? p9_fd_poll+0x19b/0x2a0 [ 130.219103][ T8654] ? p9_conn_create+0x3a5/0x4f0 [ 130.223928][ T8654] ? p9_conn_create+0x4f0/0x4f0 [ 130.228756][ T8654] p9_client_create+0x7fb/0x10f0 [ 130.233668][ T8654] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 130.239702][ T8654] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.245217][ T8654] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.251251][ T8654] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.257033][ T8654] ? lockdep_init_map_waits+0x270/0x870 [ 130.262557][ T8654] v9fs_session_init+0x1ed/0x14c0 [ 130.267550][ T8654] ? v9fs_session_init+0x1ed/0x14c0 [ 130.272734][ T8654] ? find_held_lock+0x36/0x1d0 [ 130.277475][ T8654] ? v9fs_show_options+0x6c0/0x6c0 [ 130.282557][ T8654] ? __kasan_check_read+0x11/0x20 [ 130.287556][ T8654] ? srp_free_req_data.isra.44+0x80/0x4b0 [ 130.293249][ T8654] ? v9fs_mount+0x55/0x7f0 [ 130.297643][ T8654] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.303157][ T8654] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.309192][ T8654] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.314973][ T8654] ? kmem_cache_alloc_trace+0x39e/0x780 [ 130.320494][ T8654] ? apparmor_task_alloc+0x2f0/0x2f0 [ 130.325751][ T8654] v9fs_mount+0x72/0x7f0 [ 130.329971][ T8654] ? v9fs_write_inode+0x50/0x50 [ 130.334792][ T8654] legacy_get_tree+0x103/0x1f0 [ 130.339528][ T8654] vfs_get_tree+0x8b/0x2d0 [ 130.343914][ T8654] ? capable+0x14/0x20 [ 130.347966][ T8654] do_mount+0x1272/0x1c30 [ 130.352274][ T8654] ? lock_downgrade+0x960/0x960 [ 130.357115][ T8654] ? copy_mount_string+0x20/0x20 [ 130.362043][ T8654] ? __kasan_check_write+0x14/0x20 [ 130.367132][ T8654] ? _copy_from_user+0xc5/0x110 [ 130.371955][ T8654] __x64_sys_mount+0x169/0x1c0 [ 130.376691][ T8654] do_syscall_64+0xd0/0x630 [ 130.381191][ T8654] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 130.387074][ T8654] RIP: 0033:0x458da9 [ 130.390946][ T8654] 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 [ 130.410525][ T8654] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.418908][ T8654] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 130.426873][ T8654] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 130.434814][ T8654] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 130.442758][ T8654] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 130.450702][ T8654] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 130.458667][ T8662] CPU: 0 PID: 8662 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 130.460800][ T27] audit: type=1804 audit(1587461126.773:27): pid=8662 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/32/file0" dev="sda1" ino=16016 res=1 [ 130.467240][ T8662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.500083][ T8662] Call Trace: [ 130.503369][ T8662] dump_stack+0x12d/0x187 [ 130.507695][ T8662] should_fail.cold.4+0x5/0x13 [ 130.512453][ T8662] ? fault_create_debugfs_attr+0x150/0x150 [ 130.518250][ T8662] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.524827][ T8662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.530366][ T8662] __should_failslab+0xba/0xf0 [ 130.535117][ T8662] should_failslab+0x9/0x14 [ 130.539611][ T8662] kmem_cache_alloc+0x47/0x760 [ 130.544364][ T8662] ? __kasan_check_read+0x11/0x20 [ 130.549377][ T8662] ? mark_lock+0xbf/0x630 [ 130.553710][ T8662] ? legacy_get_tree+0x103/0x1f0 [ 130.558645][ T8662] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.565056][ T8662] idr_get_free+0x35d/0x880 [ 130.569563][ T8662] idr_alloc_u32+0x13a/0x330 [ 130.574149][ T8662] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 130.579685][ T8662] ? lock_acquire+0x209/0x9e0 [ 130.581843][ T8645] FAULT_INJECTION: forcing a failure. [ 130.581843][ T8645] name failslab, interval 1, probability 0, space 0, times 0 [ 130.584346][ T8662] ? __kasan_check_write+0x14/0x20 [ 130.602065][ T8662] ? do_raw_spin_lock+0x132/0x2e0 [ 130.607067][ T8662] idr_alloc+0x7d/0xc0 [ 130.611111][ T8662] ? idr_alloc_u32+0x330/0x330 [ 130.615855][ T8662] p9_client_prepare_req.part.5+0x571/0x670 [ 130.621722][ T8662] p9_client_rpc+0x174/0xe50 [ 130.626291][ T8662] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 130.632081][ T8662] ? __debug_object_init+0x4fc/0x10f0 [ 130.637424][ T8662] ? __kasan_check_read+0x11/0x20 [ 130.642418][ T8662] ? p9_client_prepare_req.part.5+0x670/0x670 [ 130.648460][ T8662] ? free_object+0x70/0x70 [ 130.652848][ T8662] ? ksys_dup3+0x2e0/0x2e0 [ 130.657237][ T8662] ? lockdep_init_map_waits+0x270/0x870 [ 130.662761][ T8662] ? __kasan_check_write+0x14/0x20 [ 130.667840][ T8662] ? p9_conn_create+0x3ce/0x4f0 [ 130.672661][ T8662] ? p9_conn_create+0x4f0/0x4f0 [ 130.677487][ T8662] p9_client_create+0x7fb/0x10f0 [ 130.682398][ T8662] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 130.688434][ T8662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.693953][ T8662] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.699984][ T8662] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.705764][ T8662] ? lockdep_init_map_waits+0x270/0x870 [ 130.711285][ T8662] v9fs_session_init+0x1ed/0x14c0 [ 130.716278][ T8662] ? v9fs_session_init+0x1ed/0x14c0 [ 130.721449][ T8662] ? find_held_lock+0x36/0x1d0 [ 130.726202][ T8662] ? v9fs_show_options+0x6c0/0x6c0 [ 130.731292][ T8662] ? __kasan_check_read+0x11/0x20 [ 130.736286][ T8662] ? v9fs_mount+0x55/0x7f0 [ 130.740672][ T8662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.746186][ T8662] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.752219][ T8662] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.757997][ T8662] ? kmem_cache_alloc_trace+0x39e/0x780 [ 130.763514][ T8662] ? apparmor_task_alloc+0x2f0/0x2f0 [ 130.768773][ T8662] v9fs_mount+0x72/0x7f0 [ 130.772986][ T8662] ? v9fs_write_inode+0x50/0x50 [ 130.777805][ T8662] legacy_get_tree+0x103/0x1f0 [ 130.783236][ T8662] vfs_get_tree+0x8b/0x2d0 [ 130.787622][ T8662] ? capable+0x14/0x20 [ 130.791663][ T8662] do_mount+0x1272/0x1c30 [ 130.795959][ T8662] ? lock_downgrade+0x960/0x960 [ 130.800782][ T8662] ? copy_mount_string+0x20/0x20 [ 130.805696][ T8662] ? __kasan_check_write+0x14/0x20 [ 130.810783][ T8662] ? _copy_from_user+0xc5/0x110 [ 130.815609][ T8662] __x64_sys_mount+0x169/0x1c0 [ 130.820436][ T8662] do_syscall_64+0xd0/0x630 [ 130.824913][ T8662] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 130.830785][ T8662] RIP: 0033:0x458da9 [ 130.834651][ T8662] 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 [ 130.854313][ T8662] RSP: 002b:00007f95ee5c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.862693][ T8662] RAX: ffffffffffffffda RBX: 00007f95ee5c2c90 RCX: 0000000000458da9 [ 130.870643][ T8662] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 130.878589][ T8662] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 130.886532][ T8662] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5c36d4 [ 130.894472][ T8662] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 130.902439][ T8645] CPU: 1 PID: 8645 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 130.911010][ T8645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.921059][ T8645] Call Trace: [ 130.924343][ T8645] dump_stack+0x12d/0x187 [ 130.927966][ T8670] FAULT_INJECTION: forcing a failure. [ 130.927966][ T8670] name failslab, interval 1, probability 0, space 0, times 0 [ 130.928663][ T8645] should_fail.cold.4+0x5/0x13 [ 130.945944][ T8645] ? fault_create_debugfs_attr+0x150/0x150 [ 130.951721][ T8645] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.958277][ T8645] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.963795][ T8645] __should_failslab+0xba/0xf0 [ 130.968540][ T8645] should_failslab+0x9/0x14 [ 130.973014][ T8645] kmem_cache_alloc+0x47/0x760 [ 130.977748][ T8645] ? __kasan_check_read+0x11/0x20 [ 130.982752][ T8645] ? mark_lock+0xbf/0x630 [ 130.987051][ T8645] ? legacy_get_tree+0x103/0x1f0 [ 130.991959][ T8645] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.998345][ T8645] idr_get_free+0x35d/0x880 [ 131.002839][ T8645] idr_alloc_u32+0x13a/0x330 [ 131.007487][ T8645] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 131.013009][ T8645] ? lock_acquire+0x209/0x9e0 [ 131.017748][ T8645] ? __kasan_check_write+0x14/0x20 [ 131.022829][ T8645] ? do_raw_spin_lock+0x132/0x2e0 [ 131.027826][ T8645] idr_alloc+0x7d/0xc0 [ 131.031864][ T8645] ? idr_alloc_u32+0x330/0x330 [ 131.036601][ T8645] p9_client_prepare_req.part.5+0x571/0x670 [ 131.042464][ T8645] p9_client_rpc+0x174/0xe50 [ 131.047026][ T8645] ? p9_client_prepare_req.part.5+0x670/0x670 [ 131.053064][ T8645] ? p9_pollwait+0x182/0x210 [ 131.057649][ T8645] ? pipe_poll+0xc8/0x6b0 [ 131.061957][ T8645] ? ksys_dup3+0x2e0/0x2e0 [ 131.066373][ T8645] ? p9_fd_poll+0x19b/0x2a0 [ 131.070869][ T8645] ? p9_conn_create+0x3a5/0x4f0 [ 131.075701][ T8645] ? p9_conn_create+0x4f0/0x4f0 [ 131.080542][ T8645] p9_client_create+0x7fb/0x10f0 [ 131.085469][ T8645] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 131.091508][ T8645] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.097025][ T8645] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.103071][ T8645] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.108850][ T8645] ? lockdep_init_map_waits+0x270/0x870 [ 131.114377][ T8645] v9fs_session_init+0x1ed/0x14c0 [ 131.119371][ T8645] ? v9fs_session_init+0x1ed/0x14c0 [ 131.124550][ T8645] ? find_held_lock+0x36/0x1d0 [ 131.129289][ T8645] ? v9fs_show_options+0x6c0/0x6c0 [ 131.134377][ T8645] ? __kasan_check_read+0x11/0x20 [ 131.139379][ T8645] ? v9fs_mount+0x55/0x7f0 [ 131.143858][ T8645] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.149548][ T8645] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.155580][ T8645] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.161361][ T8645] ? kmem_cache_alloc_trace+0x39e/0x780 [ 131.166876][ T8645] ? apparmor_task_alloc+0x2f0/0x2f0 [ 131.172148][ T8645] v9fs_mount+0x72/0x7f0 [ 131.176362][ T8645] ? v9fs_write_inode+0x50/0x50 [ 131.181193][ T8645] legacy_get_tree+0x103/0x1f0 [ 131.185938][ T8645] vfs_get_tree+0x8b/0x2d0 [ 131.190328][ T8645] ? capable+0x14/0x20 [ 131.194368][ T8645] do_mount+0x1272/0x1c30 [ 131.198666][ T8645] ? lock_downgrade+0x960/0x960 [ 131.203490][ T8645] ? copy_mount_string+0x20/0x20 [ 131.208403][ T8645] ? __kasan_check_write+0x14/0x20 [ 131.213483][ T8645] ? _copy_from_user+0xc5/0x110 [ 131.218326][ T8645] __x64_sys_mount+0x169/0x1c0 [ 131.223061][ T8645] do_syscall_64+0xd0/0x630 [ 131.227542][ T8645] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 131.233752][ T8645] RIP: 0033:0x458da9 [ 131.237618][ T8645] 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 [ 131.257193][ T8645] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 131.265584][ T8645] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 131.273539][ T8645] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 131.281491][ T8645] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 131.289433][ T8645] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 131.297375][ T8645] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 131.305356][ T8670] CPU: 0 PID: 8670 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 131.313936][ T8670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.324000][ T8670] Call Trace: [ 131.327283][ T8670] dump_stack+0x12d/0x187 [ 131.331613][ T8670] should_fail.cold.4+0x5/0x13 [ 131.336376][ T8670] ? fault_create_debugfs_attr+0x150/0x150 [ 131.342172][ T8670] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 131.348748][ T8670] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.354377][ T8670] __should_failslab+0xba/0xf0 [ 131.359126][ T8670] should_failslab+0x9/0x14 [ 131.363613][ T8670] kmem_cache_alloc+0x47/0x760 [ 131.368370][ T8670] ? __kasan_check_read+0x11/0x20 [ 131.373407][ T8670] ? mark_lock+0xbf/0x630 [ 131.377720][ T8670] ? legacy_get_tree+0x103/0x1f0 [ 131.382647][ T8670] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 131.389048][ T8670] idr_get_free+0x35d/0x880 [ 131.393546][ T8670] idr_alloc_u32+0x13a/0x330 [ 131.398133][ T8670] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 131.403669][ T8670] ? lock_acquire+0x209/0x9e0 [ 131.408343][ T8670] ? __kasan_check_write+0x14/0x20 [ 131.413448][ T8670] ? do_raw_spin_lock+0x132/0x2e0 [ 131.418466][ T8670] idr_alloc+0x7d/0xc0 [ 131.422529][ T8670] ? idr_alloc_u32+0x330/0x330 [ 131.427291][ T8670] p9_client_prepare_req.part.5+0x571/0x670 [ 131.433176][ T8670] p9_client_rpc+0x174/0xe50 [ 131.437761][ T8670] ? p9_client_prepare_req.part.5+0x670/0x670 [ 131.443822][ T8670] ? p9_pollwait+0x182/0x210 [ 131.448413][ T8670] ? pipe_poll+0xc8/0x6b0 [ 131.452735][ T8670] ? ksys_dup3+0x2e0/0x2e0 [ 131.457143][ T8670] ? p9_fd_poll+0x19b/0x2a0 [ 131.461638][ T8670] ? p9_conn_create+0x3a5/0x4f0 [ 131.466489][ T8670] ? p9_conn_create+0x4f0/0x4f0 [ 131.471339][ T8670] p9_client_create+0x7fb/0x10f0 [ 131.476273][ T8670] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 131.482321][ T8670] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.487857][ T8670] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.493904][ T8670] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.499701][ T8670] ? lockdep_init_map_waits+0x270/0x870 [ 131.505238][ T8670] v9fs_session_init+0x1ed/0x14c0 [ 131.510241][ T8670] ? v9fs_session_init+0x1ed/0x14c0 [ 131.515421][ T8670] ? find_held_lock+0x36/0x1d0 [ 131.520170][ T8670] ? v9fs_show_options+0x6c0/0x6c0 [ 131.525259][ T8670] ? __kasan_check_read+0x11/0x20 [ 131.530265][ T8670] ? v9fs_mount+0x55/0x7f0 [ 131.534661][ T8670] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.540186][ T8670] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.546230][ T8670] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.552021][ T8670] ? kmem_cache_alloc_trace+0x39e/0x780 [ 131.557550][ T8670] ? apparmor_task_alloc+0x2f0/0x2f0 [ 131.562827][ T8670] v9fs_mount+0x72/0x7f0 [ 131.567060][ T8670] ? v9fs_write_inode+0x50/0x50 [ 131.571902][ T8670] legacy_get_tree+0x103/0x1f0 [ 131.576655][ T8670] vfs_get_tree+0x8b/0x2d0 [ 131.581051][ T8670] ? capable+0x14/0x20 [ 131.585099][ T8670] do_mount+0x1272/0x1c30 [ 131.589410][ T8670] ? lock_downgrade+0x960/0x960 [ 131.594242][ T8670] ? copy_mount_string+0x20/0x20 [ 131.599167][ T8670] ? __kasan_check_write+0x14/0x20 [ 131.604256][ T8670] ? _copy_from_user+0xc5/0x110 [ 131.609094][ T8670] __x64_sys_mount+0x169/0x1c0 [ 131.613841][ T8670] do_syscall_64+0xd0/0x630 [ 131.618350][ T8670] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 131.624221][ T8670] RIP: 0033:0x458da9 [ 131.628096][ T8670] 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 [ 131.647677][ T8670] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 131.656066][ T8670] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 131.664025][ T8670] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 131.671977][ T8670] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 131.679928][ T8670] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 131.687886][ T8670] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 131.711955][ T8671] FAULT_INJECTION: forcing a failure. [ 131.711955][ T8671] name failslab, interval 1, probability 0, space 0, times 0 [ 131.724548][ T8671] CPU: 0 PID: 8671 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 131.733118][ T8671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.743253][ T8671] Call Trace: [ 131.746547][ T8671] dump_stack+0x12d/0x187 [ 131.750966][ T8671] should_fail.cold.4+0x5/0x13 [ 131.755908][ T8671] ? fault_create_debugfs_attr+0x150/0x150 [ 131.761713][ T8671] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 131.768298][ T8671] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.773834][ T8671] __should_failslab+0xba/0xf0 [ 131.778581][ T8671] should_failslab+0x9/0x14 [ 131.783065][ T8671] kmem_cache_alloc+0x47/0x760 [ 131.787807][ T8671] ? __kasan_check_read+0x11/0x20 [ 131.792809][ T8671] ? mark_lock+0xbf/0x630 [ 131.797116][ T8671] ? legacy_get_tree+0x103/0x1f0 [ 131.802048][ T8671] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 131.808446][ T8671] idr_get_free+0x35d/0x880 [ 131.813288][ T8671] idr_alloc_u32+0x13a/0x330 [ 131.817867][ T8671] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 131.823390][ T8671] ? lock_acquire+0x209/0x9e0 [ 131.828073][ T8671] ? __kasan_check_write+0x14/0x20 [ 131.833165][ T8671] ? do_raw_spin_lock+0x132/0x2e0 [ 131.838180][ T8671] idr_alloc+0x7d/0xc0 [ 131.842240][ T8671] ? idr_alloc_u32+0x330/0x330 [ 131.846999][ T8671] p9_client_prepare_req.part.5+0x571/0x670 [ 131.852879][ T8671] p9_client_rpc+0x174/0xe50 [ 131.857543][ T8671] ? p9_client_prepare_req.part.5+0x670/0x670 [ 131.863622][ T8671] ? p9_pollwait+0x182/0x210 [ 131.868196][ T8671] ? pipe_poll+0xc8/0x6b0 [ 131.872506][ T8671] ? ksys_dup3+0x2e0/0x2e0 [ 131.876908][ T8671] ? p9_fd_poll+0x19b/0x2a0 [ 131.881394][ T8671] ? p9_conn_create+0x3a5/0x4f0 [ 131.886238][ T8671] ? p9_conn_create+0x4f0/0x4f0 [ 131.891089][ T8671] p9_client_create+0x7fb/0x10f0 [ 131.896019][ T8671] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 131.902065][ T8671] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.907590][ T8671] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.913635][ T8671] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.919438][ T8671] ? lockdep_init_map_waits+0x270/0x870 [ 131.924976][ T8671] v9fs_session_init+0x1ed/0x14c0 [ 131.930419][ T8671] ? v9fs_session_init+0x1ed/0x14c0 [ 131.936301][ T8671] ? find_held_lock+0x36/0x1d0 [ 131.941049][ T8671] ? v9fs_show_options+0x6c0/0x6c0 [ 131.946137][ T8671] ? __kasan_check_read+0x11/0x20 [ 131.951147][ T8671] ? v9fs_mount+0x55/0x7f0 [ 131.955545][ T8671] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.961070][ T8671] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.967113][ T8671] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.972902][ T8671] ? kmem_cache_alloc_trace+0x39e/0x780 [ 131.978427][ T8671] ? apparmor_task_alloc+0x2f0/0x2f0 [ 131.983693][ T8671] v9fs_mount+0x72/0x7f0 [ 131.987929][ T8671] ? v9fs_write_inode+0x50/0x50 [ 131.992759][ T8671] legacy_get_tree+0x103/0x1f0 [ 131.997508][ T8671] vfs_get_tree+0x8b/0x2d0 [ 132.001915][ T8671] ? capable+0x14/0x20 [ 132.005964][ T8671] do_mount+0x1272/0x1c30 [ 132.010270][ T8671] ? lock_downgrade+0x960/0x960 [ 132.015103][ T8671] ? copy_mount_string+0x20/0x20 [ 132.020030][ T8671] ? __kasan_check_write+0x14/0x20 [ 132.025120][ T8671] ? _copy_from_user+0xc5/0x110 [ 132.029960][ T8671] __x64_sys_mount+0x169/0x1c0 [ 132.034706][ T8671] do_syscall_64+0xd0/0x630 [ 132.039193][ T8671] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 132.045062][ T8671] RIP: 0033:0x458da9 [ 132.048936][ T8671] 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 [ 132.068791][ T8671] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 2020/04/21 09:25:28 executed programs: 212 [ 132.077180][ T8671] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 132.085133][ T8671] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 132.093084][ T8671] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 132.101034][ T8671] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 132.109089][ T8671] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 132.148157][ T8677] FAULT_INJECTION: forcing a failure. [ 132.148157][ T8677] name failslab, interval 1, probability 0, space 0, times 0 [ 132.160761][ T8677] CPU: 0 PID: 8677 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 132.169339][ T8677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.179387][ T8677] Call Trace: [ 132.182671][ T8677] dump_stack+0x12d/0x187 [ 132.187095][ T8677] should_fail.cold.4+0x5/0x13 [ 132.191858][ T8677] ? fault_create_debugfs_attr+0x150/0x150 [ 132.192352][ T8684] FAULT_INJECTION: forcing a failure. [ 132.192352][ T8684] name failslab, interval 1, probability 0, space 0, times 0 [ 132.197649][ T8677] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 132.216784][ T8677] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.222304][ T8677] __should_failslab+0xba/0xf0 [ 132.227038][ T8677] should_failslab+0x9/0x14 [ 132.231526][ T8677] kmem_cache_alloc+0x47/0x760 [ 132.236261][ T8677] ? __kasan_check_read+0x11/0x20 [ 132.241253][ T8677] ? mark_lock+0xbf/0x630 [ 132.245555][ T8677] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 132.251940][ T8677] idr_get_free+0x35d/0x880 [ 132.256440][ T8677] idr_alloc_u32+0x13a/0x330 [ 132.261015][ T8677] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 132.267744][ T8677] ? lock_acquire+0x209/0x9e0 [ 132.272407][ T8677] ? __kasan_check_write+0x14/0x20 [ 132.277497][ T8677] ? do_raw_spin_lock+0x132/0x2e0 [ 132.282493][ T8677] idr_alloc+0x7d/0xc0 [ 132.286529][ T8677] ? idr_alloc_u32+0x330/0x330 [ 132.291475][ T8677] p9_client_prepare_req.part.5+0x571/0x670 [ 132.297341][ T8677] p9_client_rpc+0x174/0xe50 [ 132.301904][ T8677] ? p9_client_prepare_req.part.5+0x670/0x670 [ 132.307942][ T8677] ? p9_pollwait+0x182/0x210 [ 132.312516][ T8677] ? pipe_poll+0xc8/0x6b0 [ 132.316814][ T8677] ? ksys_dup3+0x2e0/0x2e0 [ 132.321199][ T8677] ? p9_fd_poll+0x19b/0x2a0 [ 132.325695][ T8677] ? p9_conn_create+0x3a5/0x4f0 [ 132.330611][ T8677] ? p9_conn_create+0x4f0/0x4f0 [ 132.335437][ T8677] p9_client_create+0x7fb/0x10f0 [ 132.340360][ T8677] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 132.346402][ T8677] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.351917][ T8677] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.357951][ T8677] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.363734][ T8677] ? lockdep_init_map_waits+0x270/0x870 [ 132.369260][ T8677] v9fs_session_init+0x1ed/0x14c0 [ 132.374256][ T8677] ? v9fs_session_init+0x1ed/0x14c0 [ 132.379432][ T8677] ? find_held_lock+0x36/0x1d0 [ 132.384179][ T8677] ? v9fs_show_options+0x6c0/0x6c0 [ 132.389268][ T8677] ? __kasan_check_read+0x11/0x20 [ 132.394266][ T8677] ? v9fs_mount+0x55/0x7f0 [ 132.398674][ T8677] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.404194][ T8677] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.410237][ T8677] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.416027][ T8677] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.421545][ T8677] ? apparmor_task_alloc+0x2f0/0x2f0 [ 132.426809][ T8677] v9fs_mount+0x72/0x7f0 [ 132.431025][ T8677] ? v9fs_write_inode+0x50/0x50 [ 132.435846][ T8677] legacy_get_tree+0x103/0x1f0 [ 132.440583][ T8677] vfs_get_tree+0x8b/0x2d0 [ 132.444968][ T8677] ? capable+0x14/0x20 [ 132.449010][ T8677] do_mount+0x1272/0x1c30 [ 132.453311][ T8677] ? lock_downgrade+0x960/0x960 [ 132.458134][ T8677] ? copy_mount_string+0x20/0x20 [ 132.463396][ T8677] ? __kasan_check_write+0x14/0x20 [ 132.468477][ T8677] ? _copy_from_user+0xc5/0x110 [ 132.473318][ T8677] __x64_sys_mount+0x169/0x1c0 [ 132.478057][ T8677] do_syscall_64+0xd0/0x630 [ 132.482534][ T8677] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 132.488395][ T8677] RIP: 0033:0x458da9 [ 132.492260][ T8677] 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 [ 132.511832][ T8677] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 132.520212][ T8677] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 132.528154][ T8677] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 132.536201][ T8677] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 132.544154][ T8677] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 132.552102][ T8677] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 132.560244][ T8684] CPU: 1 PID: 8684 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 132.568819][ T8684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.577645][ T8687] FAULT_INJECTION: forcing a failure. [ 132.577645][ T8687] name failslab, interval 1, probability 0, space 0, times 0 [ 132.578860][ T8684] Call Trace: [ 132.594708][ T8684] dump_stack+0x12d/0x187 [ 132.599013][ T8684] should_fail.cold.4+0x5/0x13 [ 132.603750][ T8684] ? stack_trace_save+0x82/0xb0 [ 132.608576][ T8684] ? fault_create_debugfs_attr+0x150/0x150 [ 132.614363][ T8684] __should_failslab+0xba/0xf0 [ 132.619113][ T8684] should_failslab+0x9/0x14 [ 132.623588][ T8684] kmem_cache_alloc+0x47/0x760 [ 132.628323][ T8684] ? __kasan_check_read+0x11/0x20 [ 132.633317][ T8684] ? mark_lock+0xbf/0x630 [ 132.637630][ T8684] ? legacy_get_tree+0x103/0x1f0 [ 132.642559][ T8684] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 132.648945][ T8684] idr_get_free+0x35d/0x880 [ 132.653422][ T8684] ? mark_held_locks+0x130/0x130 [ 132.658331][ T8684] idr_alloc_u32+0x13a/0x330 [ 132.662895][ T8684] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 132.668413][ T8684] ? lock_acquire+0x209/0x9e0 [ 132.673062][ T8684] ? __kasan_check_write+0x14/0x20 [ 132.678142][ T8684] ? do_raw_spin_lock+0x132/0x2e0 [ 132.683146][ T8684] idr_alloc+0x7d/0xc0 [ 132.687185][ T8684] ? idr_alloc_u32+0x330/0x330 [ 132.691922][ T8684] p9_client_prepare_req.part.5+0x571/0x670 [ 132.697805][ T8684] p9_client_rpc+0x174/0xe50 [ 132.702367][ T8684] ? p9_client_prepare_req.part.5+0x670/0x670 [ 132.708404][ T8684] ? p9_pollwait+0x182/0x210 [ 132.713405][ T8684] ? pipe_poll+0xc8/0x6b0 [ 132.717703][ T8684] ? ksys_dup3+0x2e0/0x2e0 [ 132.722533][ T8684] ? p9_fd_poll+0x19b/0x2a0 [ 132.727010][ T8684] ? p9_conn_create+0x3a5/0x4f0 [ 132.731835][ T8684] ? p9_conn_create+0x4f0/0x4f0 [ 132.736661][ T8684] p9_client_create+0x7fb/0x10f0 [ 132.741585][ T8684] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 132.747619][ T8684] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.753131][ T8684] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.759170][ T8684] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.765048][ T8684] ? lockdep_init_map_waits+0x270/0x870 [ 132.770569][ T8684] v9fs_session_init+0x1ed/0x14c0 [ 132.775564][ T8684] ? v9fs_session_init+0x1ed/0x14c0 [ 132.780751][ T8684] ? find_held_lock+0x36/0x1d0 [ 132.785491][ T8684] ? v9fs_show_options+0x6c0/0x6c0 [ 132.790592][ T8684] ? __kasan_check_read+0x11/0x20 [ 132.795595][ T8684] ? v9fs_mount+0x55/0x7f0 [ 132.799991][ T8684] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.805508][ T8684] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.811553][ T8684] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.817335][ T8684] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.822854][ T8684] ? apparmor_task_alloc+0x2f0/0x2f0 [ 132.828135][ T8684] v9fs_mount+0x72/0x7f0 [ 132.832361][ T8684] ? v9fs_write_inode+0x50/0x50 [ 132.837194][ T8684] legacy_get_tree+0x103/0x1f0 [ 132.841938][ T8684] vfs_get_tree+0x8b/0x2d0 [ 132.846329][ T8684] ? capable+0x14/0x20 [ 132.850507][ T8684] do_mount+0x1272/0x1c30 [ 132.854814][ T8684] ? lock_downgrade+0x960/0x960 [ 132.859650][ T8684] ? copy_mount_string+0x20/0x20 [ 132.864569][ T8684] ? __kasan_check_write+0x14/0x20 [ 132.869653][ T8684] ? _copy_from_user+0xc5/0x110 [ 132.874495][ T8684] __x64_sys_mount+0x169/0x1c0 [ 132.879235][ T8684] do_syscall_64+0xd0/0x630 [ 132.883719][ T8684] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 132.889582][ T8684] RIP: 0033:0x458da9 [ 132.893449][ T8684] 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 [ 132.913023][ T8684] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 132.921403][ T8684] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 132.929439][ T8684] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 132.937381][ T8684] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 132.945328][ T8684] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 132.953270][ T8684] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 132.962286][ T8687] CPU: 0 PID: 8687 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 132.970959][ T8687] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.981171][ T8687] Call Trace: [ 132.984457][ T8687] dump_stack+0x12d/0x187 [ 132.988789][ T8687] should_fail.cold.4+0x5/0x13 [ 132.993552][ T8687] ? stack_trace_save+0x82/0xb0 [ 132.998411][ T8687] ? fault_create_debugfs_attr+0x150/0x150 [ 133.004221][ T8687] __should_failslab+0xba/0xf0 [ 133.008981][ T8687] should_failslab+0x9/0x14 [ 133.013492][ T8687] kmem_cache_alloc+0x47/0x760 [ 133.018251][ T8687] ? __kasan_check_read+0x11/0x20 [ 133.023276][ T8687] ? mark_lock+0xbf/0x630 [ 133.028845][ T8687] ? legacy_get_tree+0x103/0x1f0 [ 133.033787][ T8687] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 133.040200][ T8687] idr_get_free+0x35d/0x880 [ 133.044793][ T8687] ? mark_held_locks+0x130/0x130 [ 133.049727][ T8687] idr_alloc_u32+0x13a/0x330 [ 133.054314][ T8687] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 133.059858][ T8687] ? lock_acquire+0x209/0x9e0 [ 133.064534][ T8687] ? __kasan_check_write+0x14/0x20 [ 133.069640][ T8687] ? do_raw_spin_lock+0x132/0x2e0 [ 133.074667][ T8687] idr_alloc+0x7d/0xc0 [ 133.075984][ T8698] 9pnet: Insufficient options for proto=fd [ 133.078728][ T8687] ? idr_alloc_u32+0x330/0x330 [ 133.078744][ T8687] p9_client_prepare_req.part.5+0x571/0x670 [ 133.078757][ T8687] p9_client_rpc+0x174/0xe50 [ 133.078769][ T8687] ? p9_client_prepare_req.part.5+0x670/0x670 [ 133.078780][ T8687] ? p9_pollwait+0x182/0x210 [ 133.078792][ T8687] ? pipe_poll+0xc8/0x6b0 [ 133.078798][ T8687] ? ksys_dup3+0x2e0/0x2e0 [ 133.078807][ T8687] ? p9_fd_poll+0x19b/0x2a0 [ 133.123840][ T8687] ? p9_conn_create+0x3a5/0x4f0 [ 133.128707][ T8687] ? p9_conn_create+0x4f0/0x4f0 [ 133.134261][ T8687] p9_client_create+0x7fb/0x10f0 [ 133.139204][ T8687] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 133.143187][ T8701] FAULT_INJECTION: forcing a failure. [ 133.143187][ T8701] name failslab, interval 1, probability 0, space 0, times 0 [ 133.145261][ T8687] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.163760][ T8687] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.169799][ T8687] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.175586][ T8687] ? lockdep_init_map_waits+0x270/0x870 [ 133.181110][ T8687] v9fs_session_init+0x1ed/0x14c0 [ 133.190704][ T8687] ? v9fs_session_init+0x1ed/0x14c0 [ 133.195876][ T8687] ? find_held_lock+0x36/0x1d0 [ 133.200618][ T8687] ? v9fs_show_options+0x6c0/0x6c0 [ 133.205696][ T8687] ? __kasan_check_read+0x11/0x20 [ 133.210690][ T8687] ? hid_debug_events_read+0x3e0/0x830 [ 133.216120][ T8687] ? v9fs_mount+0x55/0x7f0 [ 133.220516][ T8687] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.226037][ T8687] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.232070][ T8687] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.238034][ T8687] ? kmem_cache_alloc_trace+0x39e/0x780 [ 133.243638][ T8687] ? apparmor_task_alloc+0x2f0/0x2f0 [ 133.248894][ T8687] v9fs_mount+0x72/0x7f0 [ 133.253109][ T8687] ? v9fs_write_inode+0x50/0x50 [ 133.257929][ T8687] legacy_get_tree+0x103/0x1f0 [ 133.262667][ T8687] vfs_get_tree+0x8b/0x2d0 [ 133.267052][ T8687] ? capable+0x14/0x20 [ 133.271094][ T8687] do_mount+0x1272/0x1c30 [ 133.275391][ T8687] ? lock_downgrade+0x960/0x960 [ 133.280212][ T8687] ? copy_mount_string+0x20/0x20 [ 133.285126][ T8687] ? __kasan_check_write+0x14/0x20 [ 133.290206][ T8687] ? _copy_from_user+0xc5/0x110 [ 133.295032][ T8687] __x64_sys_mount+0x169/0x1c0 [ 133.300306][ T8687] do_syscall_64+0xd0/0x630 [ 133.304813][ T8687] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 133.310682][ T8687] RIP: 0033:0x458da9 [ 133.314547][ T8687] 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 [ 133.334907][ T8687] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 133.343304][ T8687] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 133.351261][ T8687] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 133.359308][ T8687] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 133.367283][ T8687] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 133.375340][ T8687] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 133.383311][ T8701] CPU: 1 PID: 8701 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 133.391891][ T8701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.402836][ T8701] Call Trace: [ 133.406125][ T8701] dump_stack+0x12d/0x187 [ 133.410451][ T8701] should_fail.cold.4+0x5/0x13 [ 133.415210][ T8701] ? fault_create_debugfs_attr+0x150/0x150 [ 133.421022][ T8701] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 133.424182][ T8688] FAULT_INJECTION: forcing a failure. [ 133.424182][ T8688] name failslab, interval 1, probability 0, space 0, times 0 [ 133.427600][ T8701] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.445764][ T8701] __should_failslab+0xba/0xf0 [ 133.451042][ T8701] should_failslab+0x9/0x14 [ 133.455518][ T8701] kmem_cache_alloc+0x47/0x760 [ 133.460261][ T8701] ? __kasan_check_read+0x11/0x20 [ 133.465257][ T8701] ? mark_lock+0xbf/0x630 [ 133.469584][ T8701] ? legacy_get_tree+0x103/0x1f0 [ 133.474500][ T8701] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 133.480906][ T8701] idr_get_free+0x35d/0x880 [ 133.485389][ T8701] idr_alloc_u32+0x13a/0x330 [ 133.489986][ T8701] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 133.497151][ T8701] ? lock_acquire+0x209/0x9e0 [ 133.501802][ T8701] ? __kasan_check_write+0x14/0x20 [ 133.506886][ T8701] ? do_raw_spin_lock+0x132/0x2e0 [ 133.511884][ T8701] idr_alloc+0x7d/0xc0 [ 133.515926][ T8701] ? idr_alloc_u32+0x330/0x330 [ 133.520666][ T8701] p9_client_prepare_req.part.5+0x571/0x670 [ 133.526884][ T8701] p9_client_rpc+0x174/0xe50 [ 133.531453][ T8701] ? p9_client_prepare_req.part.5+0x670/0x670 [ 133.537513][ T8701] ? p9_pollwait+0x182/0x210 [ 133.542097][ T8701] ? pipe_poll+0xc8/0x6b0 [ 133.546404][ T8701] ? ksys_dup3+0x2e0/0x2e0 [ 133.550816][ T8701] ? p9_fd_poll+0x19b/0x2a0 [ 133.555311][ T8701] ? p9_conn_create+0x3a5/0x4f0 [ 133.560161][ T8701] ? p9_conn_create+0x4f0/0x4f0 [ 133.565085][ T8701] p9_client_create+0x7fb/0x10f0 [ 133.570802][ T8701] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 133.576848][ T8701] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.582365][ T8701] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.588525][ T8701] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.594742][ T8701] ? lockdep_init_map_waits+0x270/0x870 [ 133.600268][ T8701] v9fs_session_init+0x1ed/0x14c0 [ 133.605351][ T8701] ? v9fs_session_init+0x1ed/0x14c0 [ 133.610664][ T8701] ? find_held_lock+0x36/0x1d0 [ 133.615428][ T8701] ? v9fs_show_options+0x6c0/0x6c0 [ 133.620524][ T8701] ? __kasan_check_read+0x11/0x20 [ 133.625526][ T8701] ? hash_ipportnet6_list+0xe30/0x10d0 [ 133.630975][ T8701] ? v9fs_mount+0x55/0x7f0 [ 133.635364][ T8701] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.641961][ T8701] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.648361][ T8701] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.659958][ T8701] ? kmem_cache_alloc_trace+0x39e/0x780 [ 133.667068][ T8701] ? apparmor_task_alloc+0x2f0/0x2f0 [ 133.673891][ T8701] v9fs_mount+0x72/0x7f0 [ 133.678107][ T8701] ? v9fs_write_inode+0x50/0x50 [ 133.682927][ T8701] legacy_get_tree+0x103/0x1f0 [ 133.687665][ T8701] vfs_get_tree+0x8b/0x2d0 [ 133.692055][ T8701] ? capable+0x14/0x20 [ 133.696100][ T8701] do_mount+0x1272/0x1c30 [ 133.700423][ T8701] ? preempt_schedule_irq+0xc8/0x120 [ 133.705703][ T8701] ? copy_mount_string+0x20/0x20 [ 133.710638][ T8701] ? copy_user_enhanced_fast_string+0xe/0x30 [ 133.716686][ T8701] ? _copy_from_user+0xc5/0x110 [ 133.721513][ T8701] __x64_sys_mount+0x169/0x1c0 [ 133.726254][ T8701] do_syscall_64+0xd0/0x630 [ 133.730748][ T8701] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 133.736700][ T8701] RIP: 0033:0x458da9 [ 133.740568][ T8701] 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 [ 133.760425][ T8701] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 133.768815][ T8701] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 133.776778][ T8701] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 133.784724][ T8701] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 133.792672][ T8701] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 133.800619][ T8701] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 133.808586][ T8688] CPU: 0 PID: 8688 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 133.817173][ T8688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.827486][ T8688] Call Trace: [ 133.830779][ T8688] dump_stack+0x12d/0x187 [ 133.835107][ T8688] should_fail.cold.4+0x5/0x13 [ 133.839872][ T8688] ? fault_create_debugfs_attr+0x150/0x150 [ 133.845677][ T8688] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 133.852258][ T8688] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.857802][ T8688] __should_failslab+0xba/0xf0 [ 133.862559][ T8688] should_failslab+0x9/0x14 [ 133.865450][ T8706] FAULT_INJECTION: forcing a failure. [ 133.865450][ T8706] name failslab, interval 1, probability 0, space 0, times 0 [ 133.867051][ T8688] kmem_cache_alloc+0x47/0x760 [ 133.884361][ T8688] ? __kasan_check_read+0x11/0x20 [ 133.889359][ T8688] ? mark_lock+0xbf/0x630 [ 133.893665][ T8688] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 133.900054][ T8688] idr_get_free+0x35d/0x880 [ 133.904555][ T8688] idr_alloc_u32+0x13a/0x330 [ 133.910450][ T8688] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 133.915966][ T8688] ? lock_acquire+0x209/0x9e0 [ 133.920618][ T8688] ? __kasan_check_write+0x14/0x20 [ 133.925720][ T8688] ? do_raw_spin_lock+0x132/0x2e0 [ 133.930721][ T8688] idr_alloc+0x7d/0xc0 [ 133.934762][ T8688] ? idr_alloc_u32+0x330/0x330 [ 133.939503][ T8688] p9_client_prepare_req.part.5+0x571/0x670 [ 133.945370][ T8688] p9_client_rpc+0x174/0xe50 [ 133.949946][ T8688] ? p9_client_prepare_req.part.5+0x670/0x670 [ 133.955989][ T8688] ? p9_pollwait+0x182/0x210 [ 133.960571][ T8688] ? pipe_poll+0xc8/0x6b0 [ 133.964873][ T8688] ? ksys_dup3+0x2e0/0x2e0 [ 133.969263][ T8688] ? p9_fd_poll+0x19b/0x2a0 [ 133.973740][ T8688] ? p9_conn_create+0x3a5/0x4f0 [ 133.978565][ T8688] ? p9_conn_create+0x4f0/0x4f0 [ 133.983392][ T8688] p9_client_create+0x7fb/0x10f0 [ 133.988307][ T8688] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 133.994445][ T8688] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.999962][ T8688] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.005999][ T8688] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.011783][ T8688] ? lockdep_init_map_waits+0x270/0x870 [ 134.017327][ T8688] v9fs_session_init+0x1ed/0x14c0 [ 134.022334][ T8688] ? v9fs_session_init+0x1ed/0x14c0 [ 134.027513][ T8688] ? find_held_lock+0x36/0x1d0 [ 134.032262][ T8688] ? v9fs_show_options+0x6c0/0x6c0 [ 134.037352][ T8688] ? __kasan_check_read+0x11/0x20 [ 134.042352][ T8688] ? lg_event+0xd0/0x210 [ 134.049263][ T8688] ? v9fs_mount+0x55/0x7f0 [ 134.053657][ T8688] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.059264][ T8688] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.065315][ T8688] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.071100][ T8688] ? kmem_cache_alloc_trace+0x39e/0x780 [ 134.076620][ T8688] ? apparmor_task_alloc+0x2f0/0x2f0 [ 134.081881][ T8688] v9fs_mount+0x72/0x7f0 [ 134.086099][ T8688] ? v9fs_write_inode+0x50/0x50 [ 134.090924][ T8688] legacy_get_tree+0x103/0x1f0 [ 134.095680][ T8688] vfs_get_tree+0x8b/0x2d0 [ 134.100072][ T8688] ? capable+0x14/0x20 [ 134.104114][ T8688] do_mount+0x1272/0x1c30 [ 134.109474][ T8688] ? lock_downgrade+0x960/0x960 [ 134.114300][ T8688] ? copy_mount_string+0x20/0x20 [ 134.119220][ T8688] ? __kasan_check_write+0x14/0x20 [ 134.124302][ T8688] ? _copy_from_user+0xc5/0x110 [ 134.129130][ T8688] __x64_sys_mount+0x169/0x1c0 [ 134.133895][ T8688] do_syscall_64+0xd0/0x630 [ 134.138390][ T8688] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 134.144255][ T8688] RIP: 0033:0x458da9 [ 134.148124][ T8688] 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 [ 134.167789][ T8688] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 134.176173][ T8688] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 134.184295][ T8688] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 134.192242][ T8688] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 134.200192][ T8688] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 134.208135][ T8688] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 134.216101][ T8706] CPU: 1 PID: 8706 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 134.224690][ T8706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.234740][ T8706] Call Trace: [ 134.238027][ T8706] dump_stack+0x12d/0x187 [ 134.242445][ T8706] should_fail.cold.4+0x5/0x13 [ 134.247203][ T8706] ? fault_create_debugfs_attr+0x150/0x150 [ 134.253003][ T8706] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 134.260939][ T8712] FAULT_INJECTION: forcing a failure. [ 134.260939][ T8712] name failslab, interval 1, probability 0, space 0, times 0 [ 134.262360][ T8706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.280431][ T8706] __should_failslab+0xba/0xf0 [ 134.285169][ T8706] should_failslab+0x9/0x14 [ 134.289646][ T8706] kmem_cache_alloc+0x47/0x760 [ 134.298378][ T8706] ? __kasan_check_read+0x11/0x20 [ 134.303401][ T8706] ? mark_lock+0xbf/0x630 [ 134.307700][ T8706] ? legacy_get_tree+0x103/0x1f0 [ 134.315097][ T8706] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 134.321484][ T8706] idr_get_free+0x35d/0x880 [ 134.326057][ T8706] idr_alloc_u32+0x13a/0x330 [ 134.330635][ T8706] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 134.336324][ T8706] ? lock_acquire+0x209/0x9e0 [ 134.340976][ T8706] ? __kasan_check_write+0x14/0x20 [ 134.346075][ T8706] ? do_raw_spin_lock+0x132/0x2e0 [ 134.352044][ T8706] idr_alloc+0x7d/0xc0 [ 134.356435][ T8706] ? idr_alloc_u32+0x330/0x330 [ 134.361216][ T8706] p9_client_prepare_req.part.5+0x571/0x670 [ 134.367107][ T8706] p9_client_rpc+0x174/0xe50 [ 134.371693][ T8706] ? p9_client_prepare_req.part.5+0x670/0x670 [ 134.377747][ T8706] ? p9_pollwait+0x182/0x210 [ 134.382311][ T8706] ? pipe_poll+0xc8/0x6b0 [ 134.386613][ T8706] ? ksys_dup3+0x2e0/0x2e0 [ 134.391089][ T8706] ? p9_fd_poll+0x19b/0x2a0 [ 134.395566][ T8706] ? p9_conn_create+0x3a5/0x4f0 [ 134.400392][ T8706] ? p9_conn_create+0x4f0/0x4f0 [ 134.405221][ T8706] p9_client_create+0x7fb/0x10f0 [ 134.411095][ T8706] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 134.417414][ T8706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.422946][ T8706] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.428993][ T8706] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.434831][ T8706] ? lockdep_init_map_waits+0x270/0x870 [ 134.440390][ T8706] v9fs_session_init+0x1ed/0x14c0 [ 134.445396][ T8706] ? v9fs_session_init+0x1ed/0x14c0 [ 134.450570][ T8706] ? find_held_lock+0x36/0x1d0 [ 134.455317][ T8706] ? v9fs_show_options+0x6c0/0x6c0 [ 134.460400][ T8706] ? __kasan_check_read+0x11/0x20 [ 134.465420][ T8706] ? v9fs_mount+0x55/0x7f0 [ 134.469838][ T8706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.475713][ T8706] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.481751][ T8706] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.487537][ T8706] ? kmem_cache_alloc_trace+0x39e/0x780 [ 134.493058][ T8706] ? apparmor_task_alloc+0x2f0/0x2f0 [ 134.498322][ T8706] v9fs_mount+0x72/0x7f0 [ 134.502556][ T8706] ? v9fs_write_inode+0x50/0x50 [ 134.507381][ T8706] legacy_get_tree+0x103/0x1f0 [ 134.512134][ T8706] vfs_get_tree+0x8b/0x2d0 [ 134.516521][ T8706] ? capable+0x14/0x20 [ 134.520567][ T8706] do_mount+0x1272/0x1c30 [ 134.524883][ T8706] ? lock_downgrade+0x960/0x960 [ 134.529721][ T8706] ? copy_mount_string+0x20/0x20 [ 134.534651][ T8706] ? __kasan_check_write+0x14/0x20 [ 134.539734][ T8706] ? _copy_from_user+0xc5/0x110 [ 134.544562][ T8706] __x64_sys_mount+0x169/0x1c0 [ 134.549392][ T8706] do_syscall_64+0xd0/0x630 [ 134.553872][ T8706] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 134.559751][ T8706] RIP: 0033:0x458da9 [ 134.563711][ T8706] 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 [ 134.583310][ T8706] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 134.591698][ T8706] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 134.599645][ T8706] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 134.608285][ T8706] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 134.616231][ T8706] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 134.625392][ T8706] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 134.633358][ T8712] CPU: 0 PID: 8712 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 134.641937][ T8712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.651988][ T8712] Call Trace: [ 134.655280][ T8712] dump_stack+0x12d/0x187 [ 134.659612][ T8712] should_fail.cold.4+0x5/0x13 [ 134.664364][ T8712] ? stack_trace_save+0x82/0xb0 [ 134.669218][ T8712] ? fault_create_debugfs_attr+0x150/0x150 [ 134.675026][ T8712] __should_failslab+0xba/0xf0 [ 134.679781][ T8712] should_failslab+0x9/0x14 [ 134.684298][ T8712] kmem_cache_alloc+0x47/0x760 [ 134.689057][ T8712] ? __kasan_check_read+0x11/0x20 [ 134.691083][ T8719] FAULT_INJECTION: forcing a failure. [ 134.691083][ T8719] name failslab, interval 1, probability 0, space 0, times 0 [ 134.694069][ T8712] ? mark_lock+0xbf/0x630 [ 134.710958][ T8712] ? legacy_get_tree+0x103/0x1f0 [ 134.715877][ T8712] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 134.722268][ T8712] idr_get_free+0x35d/0x880 [ 134.726753][ T8712] ? mark_held_locks+0x130/0x130 [ 134.731667][ T8712] idr_alloc_u32+0x13a/0x330 [ 134.736237][ T8712] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 134.741753][ T8712] ? lock_acquire+0x209/0x9e0 [ 134.746497][ T8712] ? __kasan_check_write+0x14/0x20 [ 134.751581][ T8712] ? do_raw_spin_lock+0x132/0x2e0 [ 134.756582][ T8712] idr_alloc+0x7d/0xc0 [ 134.760623][ T8712] ? idr_alloc_u32+0x330/0x330 [ 134.765382][ T8712] p9_client_prepare_req.part.5+0x571/0x670 [ 134.771254][ T8712] p9_client_rpc+0x174/0xe50 [ 134.775821][ T8712] ? p9_client_prepare_req.part.5+0x670/0x670 [ 134.781947][ T8712] ? p9_pollwait+0x182/0x210 [ 134.786525][ T8712] ? pipe_poll+0xc8/0x6b0 [ 134.791261][ T8712] ? ksys_dup3+0x2e0/0x2e0 [ 134.795650][ T8712] ? p9_fd_poll+0x19b/0x2a0 [ 134.800127][ T8712] ? p9_conn_create+0x3a5/0x4f0 [ 134.805041][ T8712] ? p9_conn_create+0x4f0/0x4f0 [ 134.809870][ T8712] p9_client_create+0x7fb/0x10f0 [ 134.814784][ T8712] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 134.820823][ T8712] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.826345][ T8712] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.832383][ T8712] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.838181][ T8712] ? lockdep_init_map_waits+0x270/0x870 [ 134.843722][ T8712] v9fs_session_init+0x1ed/0x14c0 [ 134.848735][ T8712] ? v9fs_session_init+0x1ed/0x14c0 [ 134.854083][ T8712] ? find_held_lock+0x36/0x1d0 [ 134.858996][ T8712] ? v9fs_show_options+0x6c0/0x6c0 [ 134.864104][ T8712] ? __kasan_check_read+0x11/0x20 [ 134.869101][ T8712] ? v9fs_mount+0x55/0x7f0 [ 134.873491][ T8712] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.879205][ T8712] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.885413][ T8712] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.892758][ T8712] ? kmem_cache_alloc_trace+0x39e/0x780 [ 134.898300][ T8712] ? apparmor_task_alloc+0x2f0/0x2f0 [ 134.903561][ T8712] v9fs_mount+0x72/0x7f0 [ 134.907778][ T8712] ? v9fs_write_inode+0x50/0x50 [ 134.912601][ T8712] legacy_get_tree+0x103/0x1f0 [ 134.917359][ T8712] vfs_get_tree+0x8b/0x2d0 [ 134.921754][ T8712] ? capable+0x14/0x20 [ 134.925807][ T8712] do_mount+0x1272/0x1c30 [ 134.930119][ T8712] ? lock_downgrade+0x960/0x960 [ 134.934948][ T8712] ? copy_mount_string+0x20/0x20 [ 134.939961][ T8712] ? __kasan_check_write+0x14/0x20 [ 134.945067][ T8712] ? _copy_from_user+0xc5/0x110 [ 134.949902][ T8712] __x64_sys_mount+0x169/0x1c0 [ 134.954647][ T8712] do_syscall_64+0xd0/0x630 [ 134.959133][ T8712] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 134.964999][ T8712] RIP: 0033:0x458da9 [ 134.968872][ T8712] 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 [ 134.988452][ T8712] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 134.996852][ T8712] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 135.005403][ T8712] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 135.013348][ T8712] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 135.021294][ T8712] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 135.029238][ T8712] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 135.037200][ T8719] CPU: 1 PID: 8719 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 135.045782][ T8719] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.055825][ T8719] Call Trace: [ 135.059100][ T8719] dump_stack+0x12d/0x187 [ 135.063428][ T8719] should_fail.cold.4+0x5/0x13 [ 135.068204][ T8719] ? fault_create_debugfs_attr+0x150/0x150 [ 135.074001][ T8719] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 135.080577][ T8719] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.086117][ T8719] __should_failslab+0xba/0xf0 [ 135.090871][ T8719] should_failslab+0x9/0x14 [ 135.095364][ T8719] kmem_cache_alloc+0x47/0x760 [ 135.100114][ T8719] ? __kasan_check_read+0x11/0x20 [ 135.105126][ T8719] ? mark_lock+0xbf/0x630 [ 135.109451][ T8719] ? legacy_get_tree+0x103/0x1f0 [ 135.114383][ T8719] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 135.120799][ T8719] idr_get_free+0x35d/0x880 [ 135.125309][ T8719] idr_alloc_u32+0x13a/0x330 [ 135.129908][ T8719] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 135.135462][ T8719] ? lock_acquire+0x209/0x9e0 [ 135.140139][ T8719] ? __kasan_check_write+0x14/0x20 [ 135.145239][ T8719] ? do_raw_spin_lock+0x132/0x2e0 [ 135.150256][ T8719] idr_alloc+0x7d/0xc0 [ 135.154318][ T8719] ? idr_alloc_u32+0x330/0x330 [ 135.159077][ T8719] p9_client_prepare_req.part.5+0x571/0x670 [ 135.164967][ T8719] p9_client_rpc+0x174/0xe50 [ 135.169558][ T8719] ? p9_client_prepare_req.part.5+0x670/0x670 [ 135.175705][ T8719] ? p9_pollwait+0x182/0x210 [ 135.180297][ T8719] ? pipe_poll+0xc8/0x6b0 [ 135.184621][ T8719] ? ksys_dup3+0x2e0/0x2e0 [ 135.189034][ T8719] ? p9_fd_poll+0x19b/0x2a0 [ 135.193532][ T8719] ? p9_conn_create+0x3a5/0x4f0 [ 135.198430][ T8719] ? p9_conn_create+0x4f0/0x4f0 [ 135.203282][ T8719] p9_client_create+0x7fb/0x10f0 [ 135.208215][ T8719] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 135.214272][ T8719] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.219806][ T8719] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.225870][ T8719] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.231678][ T8719] ? lockdep_init_map_waits+0x270/0x870 [ 135.237227][ T8719] v9fs_session_init+0x1ed/0x14c0 [ 135.242253][ T8719] ? v9fs_session_init+0x1ed/0x14c0 [ 135.248926][ T8719] ? find_held_lock+0x36/0x1d0 [ 135.253779][ T8719] ? v9fs_show_options+0x6c0/0x6c0 [ 135.258883][ T8719] ? __kasan_check_read+0x11/0x20 [ 135.263907][ T8719] ? v9fs_mount+0x55/0x7f0 [ 135.268317][ T8719] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.273864][ T8719] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.280003][ T8719] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.285798][ T8719] ? kmem_cache_alloc_trace+0x39e/0x780 [ 135.291329][ T8719] ? apparmor_task_alloc+0x2f0/0x2f0 [ 135.296602][ T8719] v9fs_mount+0x72/0x7f0 [ 135.300831][ T8719] ? v9fs_write_inode+0x50/0x50 [ 135.305666][ T8719] legacy_get_tree+0x103/0x1f0 [ 135.311371][ T8719] vfs_get_tree+0x8b/0x2d0 [ 135.315768][ T8719] ? capable+0x14/0x20 [ 135.319826][ T8719] do_mount+0x1272/0x1c30 [ 135.324142][ T8719] ? lock_downgrade+0x960/0x960 [ 135.328980][ T8719] ? copy_mount_string+0x20/0x20 [ 135.332775][ T8715] FAULT_INJECTION: forcing a failure. [ 135.332775][ T8715] name failslab, interval 1, probability 0, space 0, times 0 [ 135.333996][ T8719] ? __kasan_check_write+0x14/0x20 [ 135.351645][ T8719] ? _copy_from_user+0xc5/0x110 [ 135.356486][ T8719] __x64_sys_mount+0x169/0x1c0 [ 135.361239][ T8719] do_syscall_64+0xd0/0x630 [ 135.365719][ T8719] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 135.371585][ T8719] RIP: 0033:0x458da9 [ 135.375486][ T8719] 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 [ 135.395174][ T8719] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 135.403580][ T8719] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 135.411531][ T8719] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 135.419479][ T8719] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 135.427442][ T8719] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 135.435404][ T8719] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 135.443370][ T8715] CPU: 0 PID: 8715 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 135.451960][ T8715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.462012][ T8715] Call Trace: [ 135.465645][ T8715] dump_stack+0x12d/0x187 [ 135.469966][ T8715] should_fail.cold.4+0x5/0x13 [ 135.474725][ T8715] ? fault_create_debugfs_attr+0x150/0x150 [ 135.480530][ T8715] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 135.487194][ T8715] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.493605][ T8715] __should_failslab+0xba/0xf0 [ 135.500461][ T8715] should_failslab+0x9/0x14 [ 135.504956][ T8715] kmem_cache_alloc+0x47/0x760 [ 135.509709][ T8715] ? __kasan_check_read+0x11/0x20 [ 135.517590][ T8715] ? mark_lock+0xbf/0x630 [ 135.521941][ T8715] ? legacy_get_tree+0x103/0x1f0 [ 135.526877][ T8715] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 135.533635][ T8715] idr_get_free+0x35d/0x880 [ 135.538149][ T8715] idr_alloc_u32+0x13a/0x330 [ 135.544560][ T8715] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 135.550096][ T8715] ? lock_acquire+0x209/0x9e0 [ 135.554946][ T8715] ? __kasan_check_write+0x14/0x20 [ 135.561172][ T8715] ? do_raw_spin_lock+0x132/0x2e0 [ 135.566192][ T8715] idr_alloc+0x7d/0xc0 [ 135.570263][ T8715] ? idr_alloc_u32+0x330/0x330 [ 135.577833][ T8715] p9_client_prepare_req.part.5+0x571/0x670 [ 135.583719][ T8715] p9_client_rpc+0x174/0xe50 [ 135.588388][ T8715] ? p9_client_prepare_req.part.5+0x670/0x670 [ 135.594444][ T8715] ? p9_pollwait+0x182/0x210 [ 135.599543][ T8715] ? pipe_poll+0xc8/0x6b0 [ 135.603853][ T8715] ? ksys_dup3+0x2e0/0x2e0 [ 135.608340][ T8715] ? p9_fd_poll+0x19b/0x2a0 [ 135.612827][ T8715] ? p9_conn_create+0x3a5/0x4f0 [ 135.617661][ T8715] ? p9_conn_create+0x4f0/0x4f0 [ 135.622505][ T8715] p9_client_create+0x7fb/0x10f0 [ 135.627434][ T8715] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 135.633482][ T8715] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.639013][ T8715] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.645060][ T8715] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.650876][ T8715] ? lockdep_init_map_waits+0x270/0x870 [ 135.657108][ T8715] v9fs_session_init+0x1ed/0x14c0 [ 135.662115][ T8715] ? v9fs_session_init+0x1ed/0x14c0 [ 135.667296][ T8715] ? find_held_lock+0x36/0x1d0 [ 135.672051][ T8715] ? v9fs_show_options+0x6c0/0x6c0 [ 135.677142][ T8715] ? __kasan_check_read+0x11/0x20 [ 135.682153][ T8715] ? v9fs_mount+0x55/0x7f0 [ 135.686898][ T8715] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.692428][ T8715] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.698474][ T8715] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.704356][ T8715] ? kmem_cache_alloc_trace+0x39e/0x780 [ 135.709887][ T8715] ? apparmor_task_alloc+0x2f0/0x2f0 [ 135.715156][ T8715] v9fs_mount+0x72/0x7f0 [ 135.719382][ T8715] ? v9fs_write_inode+0x50/0x50 [ 135.724213][ T8715] legacy_get_tree+0x103/0x1f0 [ 135.728962][ T8715] vfs_get_tree+0x8b/0x2d0 [ 135.733363][ T8715] ? capable+0x14/0x20 [ 135.737418][ T8715] do_mount+0x1272/0x1c30 [ 135.741782][ T8715] ? lock_downgrade+0x960/0x960 [ 135.746619][ T8715] ? copy_mount_string+0x20/0x20 [ 135.751547][ T8715] ? __kasan_check_write+0x14/0x20 [ 135.756643][ T8715] ? _copy_from_user+0xc5/0x110 [ 135.761480][ T8715] __x64_sys_mount+0x169/0x1c0 [ 135.766235][ T8715] do_syscall_64+0xd0/0x630 [ 135.770729][ T8715] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 135.776601][ T8715] RIP: 0033:0x458da9 [ 135.780476][ T8715] 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 [ 135.800067][ T8715] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 135.809414][ T8715] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 135.817368][ T8715] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 135.829424][ T8715] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 135.840502][ T8715] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 135.848456][ T8715] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 135.904702][ T8730] FAULT_INJECTION: forcing a failure. [ 135.904702][ T8730] name failslab, interval 1, probability 0, space 0, times 0 [ 135.917408][ T8730] CPU: 0 PID: 8730 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 135.925979][ T8730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.936016][ T8730] Call Trace: [ 135.939292][ T8730] dump_stack+0x12d/0x187 [ 135.943610][ T8730] should_fail.cold.4+0x5/0x13 [ 135.948359][ T8730] ? fault_create_debugfs_attr+0x150/0x150 [ 135.954238][ T8730] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 135.960806][ T8730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.966954][ T8730] __should_failslab+0xba/0xf0 [ 135.971713][ T8730] should_failslab+0x9/0x14 [ 135.976211][ T8730] kmem_cache_alloc+0x47/0x760 [ 135.980967][ T8730] ? __kasan_check_read+0x11/0x20 [ 135.984881][ T8731] FAULT_INJECTION: forcing a failure. [ 135.984881][ T8731] name failslab, interval 1, probability 0, space 0, times 0 [ 135.985980][ T8730] ? mark_lock+0xbf/0x630 [ 136.002828][ T8730] ? legacy_get_tree+0x103/0x1f0 [ 136.007743][ T8730] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 136.014131][ T8730] idr_get_free+0x35d/0x880 [ 136.018614][ T8730] idr_alloc_u32+0x13a/0x330 [ 136.023178][ T8730] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 136.028694][ T8730] ? lock_acquire+0x209/0x9e0 [ 136.033343][ T8730] ? __kasan_check_write+0x14/0x20 [ 136.038445][ T8730] ? do_raw_spin_lock+0x132/0x2e0 [ 136.043446][ T8730] idr_alloc+0x7d/0xc0 [ 136.047492][ T8730] ? idr_alloc_u32+0x330/0x330 [ 136.052232][ T8730] p9_client_prepare_req.part.5+0x571/0x670 [ 136.058099][ T8730] p9_client_rpc+0x174/0xe50 [ 136.062666][ T8730] ? p9_client_prepare_req.part.5+0x670/0x670 [ 136.068772][ T8730] ? p9_pollwait+0x182/0x210 [ 136.073339][ T8730] ? pipe_poll+0xc8/0x6b0 [ 136.077838][ T8730] ? ksys_dup3+0x2e0/0x2e0 [ 136.082242][ T8730] ? p9_fd_poll+0x19b/0x2a0 [ 136.086748][ T8730] ? p9_conn_create+0x3a5/0x4f0 [ 136.093495][ T8730] ? p9_conn_create+0x4f0/0x4f0 [ 136.098322][ T8730] p9_client_create+0x7fb/0x10f0 [ 136.103237][ T8730] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 136.109274][ T8730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.114792][ T8730] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.120827][ T8730] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.126611][ T8730] ? lockdep_init_map_waits+0x270/0x870 [ 136.132137][ T8730] v9fs_session_init+0x1ed/0x14c0 [ 136.137131][ T8730] ? v9fs_session_init+0x1ed/0x14c0 [ 136.142301][ T8730] ? find_held_lock+0x36/0x1d0 [ 136.147042][ T8730] ? v9fs_show_options+0x6c0/0x6c0 [ 136.152126][ T8730] ? __kasan_check_read+0x11/0x20 [ 136.157124][ T8730] ? v9fs_mount+0x55/0x7f0 [ 136.161513][ T8730] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.167147][ T8730] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.173183][ T8730] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.178981][ T8730] ? kmem_cache_alloc_trace+0x39e/0x780 [ 136.184500][ T8730] ? apparmor_task_alloc+0x2f0/0x2f0 [ 136.189757][ T8730] v9fs_mount+0x72/0x7f0 [ 136.193974][ T8730] ? v9fs_write_inode+0x50/0x50 [ 136.198796][ T8730] legacy_get_tree+0x103/0x1f0 [ 136.203533][ T8730] vfs_get_tree+0x8b/0x2d0 [ 136.207922][ T8730] ? capable+0x14/0x20 [ 136.211967][ T8730] do_mount+0x1272/0x1c30 [ 136.216265][ T8730] ? lock_downgrade+0x960/0x960 [ 136.221090][ T8730] ? copy_mount_string+0x20/0x20 [ 136.226004][ T8730] ? __kasan_check_write+0x14/0x20 [ 136.231086][ T8730] ? _copy_from_user+0xc5/0x110 [ 136.235911][ T8730] __x64_sys_mount+0x169/0x1c0 [ 136.240648][ T8730] do_syscall_64+0xd0/0x630 [ 136.245125][ T8730] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 136.252777][ T8730] RIP: 0033:0x458da9 [ 136.256647][ T8730] 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 [ 136.277613][ T8730] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 136.286008][ T8730] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 136.293952][ T8730] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 136.301895][ T8730] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 136.309839][ T8730] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 136.317957][ T8730] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 136.326788][ T8731] CPU: 1 PID: 8731 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 136.337881][ T8731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.349433][ T8731] Call Trace: [ 136.352720][ T8731] dump_stack+0x12d/0x187 [ 136.357047][ T8731] should_fail.cold.4+0x5/0x13 [ 136.361813][ T8731] ? fault_create_debugfs_attr+0x150/0x150 [ 136.367616][ T8731] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 136.374197][ T8731] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.379730][ T8731] __should_failslab+0xba/0xf0 [ 136.384469][ T8731] should_failslab+0x9/0x14 [ 136.389118][ T8731] kmem_cache_alloc+0x47/0x760 [ 136.393856][ T8731] ? __kasan_check_read+0x11/0x20 [ 136.399027][ T8731] ? mark_lock+0xbf/0x630 [ 136.403343][ T8731] ? legacy_get_tree+0x103/0x1f0 [ 136.408255][ T8731] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 136.414668][ T8731] idr_get_free+0x35d/0x880 [ 136.419165][ T8731] idr_alloc_u32+0x13a/0x330 [ 136.423739][ T8731] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 136.429273][ T8731] ? lock_acquire+0x209/0x9e0 [ 136.433928][ T8731] ? __kasan_check_write+0x14/0x20 [ 136.439010][ T8731] ? do_raw_spin_lock+0x132/0x2e0 [ 136.444019][ T8731] idr_alloc+0x7d/0xc0 [ 136.448063][ T8731] ? idr_alloc_u32+0x330/0x330 [ 136.453065][ T8731] p9_client_prepare_req.part.5+0x571/0x670 [ 136.458930][ T8731] p9_client_rpc+0x174/0xe50 [ 136.463497][ T8731] ? p9_client_prepare_req.part.5+0x670/0x670 [ 136.469535][ T8731] ? p9_pollwait+0x182/0x210 [ 136.474111][ T8731] ? pipe_poll+0xc8/0x6b0 [ 136.478414][ T8731] ? ksys_dup3+0x2e0/0x2e0 [ 136.482907][ T8731] ? p9_fd_poll+0x19b/0x2a0 [ 136.487384][ T8731] ? p9_conn_create+0x3a5/0x4f0 [ 136.492649][ T8731] ? p9_conn_create+0x4f0/0x4f0 [ 136.497476][ T8731] p9_client_create+0x7fb/0x10f0 [ 136.502389][ T8731] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 136.508444][ T8731] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.513962][ T8731] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.520014][ T8731] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.525968][ T8731] ? lockdep_init_map_waits+0x270/0x870 [ 136.532621][ T8731] v9fs_session_init+0x1ed/0x14c0 [ 136.537615][ T8731] ? v9fs_session_init+0x1ed/0x14c0 [ 136.544436][ T8731] ? find_held_lock+0x36/0x1d0 [ 136.549831][ T8731] ? v9fs_show_options+0x6c0/0x6c0 [ 136.555892][ T8731] ? __kasan_check_read+0x11/0x20 [ 136.560895][ T8731] ? v9fs_mount+0x55/0x7f0 [ 136.565287][ T8731] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.570824][ T8731] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.576860][ T8731] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.582656][ T8731] ? kmem_cache_alloc_trace+0x39e/0x780 [ 136.588173][ T8731] ? apparmor_task_alloc+0x2f0/0x2f0 [ 136.593430][ T8731] v9fs_mount+0x72/0x7f0 [ 136.597649][ T8731] ? v9fs_write_inode+0x50/0x50 [ 136.602470][ T8731] legacy_get_tree+0x103/0x1f0 [ 136.607208][ T8731] vfs_get_tree+0x8b/0x2d0 [ 136.611944][ T8731] ? capable+0x14/0x20 [ 136.615984][ T8731] do_mount+0x1272/0x1c30 [ 136.620285][ T8731] ? lock_downgrade+0x960/0x960 [ 136.626518][ T8731] ? copy_mount_string+0x20/0x20 [ 136.632386][ T8731] ? __kasan_check_write+0x14/0x20 [ 136.637467][ T8731] ? _copy_from_user+0xc5/0x110 [ 136.642292][ T8731] __x64_sys_mount+0x169/0x1c0 [ 136.647032][ T8731] do_syscall_64+0xd0/0x630 [ 136.651510][ T8731] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 136.657374][ T8731] RIP: 0033:0x458da9 [ 136.661240][ T8731] 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 [ 136.680833][ T8731] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 136.689219][ T8731] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 136.697163][ T8731] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 2020/04/21 09:25:33 executed programs: 224 [ 136.705120][ T8731] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 136.713063][ T8731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 136.721007][ T8731] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 136.786121][ T8739] FAULT_INJECTION: forcing a failure. [ 136.786121][ T8739] name failslab, interval 1, probability 0, space 0, times 0 [ 136.788835][ T8740] FAULT_INJECTION: forcing a failure. [ 136.788835][ T8740] name failslab, interval 1, probability 0, space 0, times 0 [ 136.798737][ T8739] CPU: 0 PID: 8739 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 136.821502][ T8739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.831791][ T8739] Call Trace: [ 136.835089][ T8739] dump_stack+0x12d/0x187 [ 136.839572][ T8739] should_fail.cold.4+0x5/0x13 [ 136.844311][ T8739] ? fault_create_debugfs_attr+0x150/0x150 [ 136.852522][ T8739] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 136.859083][ T8739] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.864604][ T8739] __should_failslab+0xba/0xf0 [ 136.869342][ T8739] should_failslab+0x9/0x14 [ 136.873837][ T8739] kmem_cache_alloc+0x47/0x760 [ 136.878571][ T8739] ? __kasan_check_read+0x11/0x20 [ 136.883572][ T8739] ? mark_lock+0xbf/0x630 [ 136.888848][ T8739] ? legacy_get_tree+0x103/0x1f0 [ 136.893774][ T8739] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 136.900163][ T8739] idr_get_free+0x35d/0x880 [ 136.904655][ T8739] idr_alloc_u32+0x13a/0x330 [ 136.909234][ T8739] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 136.914746][ T8739] ? lock_acquire+0x209/0x9e0 [ 136.919399][ T8739] ? __kasan_check_write+0x14/0x20 [ 136.932315][ T8739] ? do_raw_spin_lock+0x132/0x2e0 [ 136.937314][ T8739] idr_alloc+0x7d/0xc0 [ 136.941378][ T8739] ? idr_alloc_u32+0x330/0x330 [ 136.946120][ T8739] p9_client_prepare_req.part.5+0x571/0x670 [ 136.951988][ T8739] p9_client_rpc+0x174/0xe50 [ 136.956551][ T8739] ? p9_client_prepare_req.part.5+0x670/0x670 [ 136.962589][ T8739] ? p9_pollwait+0x182/0x210 [ 136.967776][ T8739] ? pipe_poll+0xc8/0x6b0 [ 136.972077][ T8739] ? ksys_dup3+0x2e0/0x2e0 [ 136.976466][ T8739] ? p9_fd_poll+0x19b/0x2a0 [ 136.981653][ T8739] ? p9_conn_create+0x3a5/0x4f0 [ 136.986741][ T8739] ? p9_conn_create+0x4f0/0x4f0 [ 136.991566][ T8739] p9_client_create+0x7fb/0x10f0 [ 136.996482][ T8739] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 137.002520][ T8739] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.008036][ T8739] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.014076][ T8739] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.019858][ T8739] ? lockdep_init_map_waits+0x270/0x870 [ 137.025515][ T8739] v9fs_session_init+0x1ed/0x14c0 [ 137.030944][ T8739] ? v9fs_session_init+0x1ed/0x14c0 [ 137.036114][ T8739] ? find_held_lock+0x36/0x1d0 [ 137.040857][ T8739] ? v9fs_show_options+0x6c0/0x6c0 [ 137.045951][ T8739] ? __kasan_check_read+0x11/0x20 [ 137.051145][ T8739] ? __rhashtable_remove_fast.constprop.24+0x660/0xca0 [ 137.057965][ T8739] ? v9fs_mount+0x55/0x7f0 [ 137.066718][ T8739] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.074336][ T8739] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.080371][ T8739] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.086168][ T8739] ? kmem_cache_alloc_trace+0x39e/0x780 [ 137.091687][ T8739] ? apparmor_task_alloc+0x2f0/0x2f0 [ 137.098088][ T8739] v9fs_mount+0x72/0x7f0 [ 137.102309][ T8739] ? v9fs_write_inode+0x50/0x50 [ 137.107132][ T8739] legacy_get_tree+0x103/0x1f0 [ 137.112219][ T8739] vfs_get_tree+0x8b/0x2d0 [ 137.116608][ T8739] ? capable+0x14/0x20 [ 137.120656][ T8739] do_mount+0x1272/0x1c30 [ 137.124954][ T8739] ? lock_downgrade+0x960/0x960 [ 137.129778][ T8739] ? copy_mount_string+0x20/0x20 [ 137.134694][ T8739] ? __kasan_check_write+0x14/0x20 [ 137.139776][ T8739] ? _copy_from_user+0xc5/0x110 [ 137.144604][ T8739] __x64_sys_mount+0x169/0x1c0 [ 137.149344][ T8739] do_syscall_64+0xd0/0x630 [ 137.153824][ T8739] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 137.160745][ T8739] RIP: 0033:0x458da9 [ 137.164617][ T8739] 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 [ 137.184195][ T8739] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 137.192578][ T8739] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 137.200523][ T8739] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 137.208469][ T8739] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 137.216436][ T8739] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 137.224382][ T8739] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 137.232359][ T8740] CPU: 1 PID: 8740 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 137.240938][ T8740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.251326][ T8740] Call Trace: [ 137.254601][ T8740] dump_stack+0x12d/0x187 [ 137.258919][ T8740] should_fail.cold.4+0x5/0x13 [ 137.263670][ T8740] ? fault_create_debugfs_attr+0x150/0x150 [ 137.269465][ T8740] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 137.276060][ T8740] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.281590][ T8740] __should_failslab+0xba/0xf0 [ 137.286341][ T8740] should_failslab+0x9/0x14 [ 137.290929][ T8740] kmem_cache_alloc+0x47/0x760 [ 137.295674][ T8740] ? __kasan_check_read+0x11/0x20 [ 137.303626][ T8740] ? mark_lock+0xbf/0x630 [ 137.308134][ T8740] ? legacy_get_tree+0x103/0x1f0 [ 137.314037][ T8740] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 137.320641][ T8740] idr_get_free+0x35d/0x880 [ 137.325149][ T8740] idr_alloc_u32+0x13a/0x330 [ 137.329738][ T8740] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 137.335287][ T8740] ? lock_acquire+0x209/0x9e0 [ 137.339964][ T8740] ? __kasan_check_write+0x14/0x20 [ 137.345074][ T8740] ? do_raw_spin_lock+0x132/0x2e0 [ 137.351065][ T8740] idr_alloc+0x7d/0xc0 [ 137.355564][ T8740] ? idr_alloc_u32+0x330/0x330 [ 137.361116][ T8740] p9_client_prepare_req.part.5+0x571/0x670 [ 137.367789][ T8740] p9_client_rpc+0x174/0xe50 [ 137.372479][ T8740] ? p9_client_prepare_req.part.5+0x670/0x670 [ 137.378546][ T8740] ? p9_pollwait+0x182/0x210 [ 137.383138][ T8740] ? pipe_poll+0xc8/0x6b0 [ 137.387464][ T8740] ? ksys_dup3+0x2e0/0x2e0 [ 137.391877][ T8740] ? p9_fd_poll+0x19b/0x2a0 [ 137.396376][ T8740] ? p9_conn_create+0x3a5/0x4f0 [ 137.401226][ T8740] ? p9_conn_create+0x4f0/0x4f0 [ 137.406076][ T8740] p9_client_create+0x7fb/0x10f0 [ 137.411012][ T8740] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 137.417067][ T8740] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.422594][ T8740] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.428641][ T8740] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.434438][ T8740] ? lockdep_init_map_waits+0x270/0x870 [ 137.439979][ T8740] v9fs_session_init+0x1ed/0x14c0 [ 137.444990][ T8740] ? v9fs_session_init+0x1ed/0x14c0 [ 137.451216][ T8740] ? find_held_lock+0x36/0x1d0 [ 137.455969][ T8740] ? v9fs_show_options+0x6c0/0x6c0 [ 137.461057][ T8740] ? __kasan_check_read+0x11/0x20 [ 137.466149][ T8740] ? hash_ipmark6_kadt+0x510/0x5d0 [ 137.471239][ T8740] ? v9fs_mount+0x55/0x7f0 [ 137.475635][ T8740] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.481160][ T8740] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.487204][ T8740] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.493014][ T8740] ? kmem_cache_alloc_trace+0x39e/0x780 [ 137.498539][ T8740] ? apparmor_task_alloc+0x2f0/0x2f0 [ 137.503810][ T8740] v9fs_mount+0x72/0x7f0 [ 137.508035][ T8740] ? v9fs_write_inode+0x50/0x50 [ 137.512875][ T8740] legacy_get_tree+0x103/0x1f0 [ 137.517623][ T8740] vfs_get_tree+0x8b/0x2d0 [ 137.522028][ T8740] ? capable+0x14/0x20 [ 137.523126][ T8742] FAULT_INJECTION: forcing a failure. [ 137.523126][ T8742] name failslab, interval 1, probability 0, space 0, times 0 [ 137.526079][ T8740] do_mount+0x1272/0x1c30 [ 137.542939][ T8740] ? lock_downgrade+0x960/0x960 [ 137.547763][ T8740] ? copy_mount_string+0x20/0x20 [ 137.552686][ T8740] ? __kasan_check_write+0x14/0x20 [ 137.557798][ T8740] ? _copy_from_user+0xc5/0x110 [ 137.562647][ T8740] __x64_sys_mount+0x169/0x1c0 [ 137.567391][ T8740] do_syscall_64+0xd0/0x630 [ 137.571891][ T8740] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 137.578975][ T8740] RIP: 0033:0x458da9 [ 137.583710][ T8740] 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 [ 137.603284][ T8740] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 137.611664][ T8740] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 137.619606][ T8740] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 137.627548][ T8740] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 137.635489][ T8740] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 137.643430][ T8740] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 137.651393][ T8742] CPU: 0 PID: 8742 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 137.659967][ T8742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.669799][ T8752] FAULT_INJECTION: forcing a failure. [ 137.669799][ T8752] name failslab, interval 1, probability 0, space 0, times 0 [ 137.670006][ T8742] Call Trace: [ 137.685824][ T8742] dump_stack+0x12d/0x187 [ 137.690130][ T8742] should_fail.cold.4+0x5/0x13 [ 137.694864][ T8742] ? stack_trace_save+0x82/0xb0 [ 137.699685][ T8742] ? fault_create_debugfs_attr+0x150/0x150 [ 137.705468][ T8742] __should_failslab+0xba/0xf0 [ 137.710205][ T8742] should_failslab+0x9/0x14 [ 137.714688][ T8742] kmem_cache_alloc+0x47/0x760 [ 137.719432][ T8742] ? __kasan_check_read+0x11/0x20 [ 137.724424][ T8742] ? mark_lock+0xbf/0x630 [ 137.728735][ T8742] ? legacy_get_tree+0x103/0x1f0 [ 137.733654][ T8742] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 137.740040][ T8742] idr_get_free+0x35d/0x880 [ 137.744516][ T8742] ? mark_held_locks+0x130/0x130 [ 137.749425][ T8742] idr_alloc_u32+0x13a/0x330 [ 137.753987][ T8742] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 137.759498][ T8742] ? lock_acquire+0x209/0x9e0 [ 137.764145][ T8742] ? __kasan_check_write+0x14/0x20 [ 137.769225][ T8742] ? do_raw_spin_lock+0x132/0x2e0 [ 137.774220][ T8742] idr_alloc+0x7d/0xc0 [ 137.778259][ T8742] ? idr_alloc_u32+0x330/0x330 [ 137.782998][ T8742] p9_client_prepare_req.part.5+0x571/0x670 [ 137.788863][ T8742] p9_client_rpc+0x174/0xe50 [ 137.793433][ T8742] ? p9_client_prepare_req.part.5+0x670/0x670 [ 137.799470][ T8742] ? p9_pollwait+0x182/0x210 [ 137.804032][ T8742] ? pipe_poll+0xc8/0x6b0 [ 137.808331][ T8742] ? ksys_dup3+0x2e0/0x2e0 [ 137.812717][ T8742] ? p9_fd_poll+0x19b/0x2a0 [ 137.817190][ T8742] ? p9_conn_create+0x3a5/0x4f0 [ 137.822011][ T8742] ? p9_conn_create+0x4f0/0x4f0 [ 137.826845][ T8742] p9_client_create+0x7fb/0x10f0 [ 137.832104][ T8742] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 137.838141][ T8742] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.843657][ T8742] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.850212][ T8742] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.855992][ T8742] ? lockdep_init_map_waits+0x270/0x870 [ 137.861534][ T8742] v9fs_session_init+0x1ed/0x14c0 [ 137.866545][ T8742] ? v9fs_session_init+0x1ed/0x14c0 [ 137.871716][ T8742] ? find_held_lock+0x36/0x1d0 [ 137.876454][ T8742] ? v9fs_show_options+0x6c0/0x6c0 [ 137.881531][ T8742] ? __kasan_check_read+0x11/0x20 [ 137.886527][ T8742] ? v9fs_mount+0x55/0x7f0 [ 137.890912][ T8742] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.896425][ T8742] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.902463][ T8742] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.908242][ T8742] ? kmem_cache_alloc_trace+0x39e/0x780 [ 137.913771][ T8742] ? apparmor_task_alloc+0x2f0/0x2f0 [ 137.919027][ T8742] v9fs_mount+0x72/0x7f0 [ 137.923243][ T8742] ? v9fs_write_inode+0x50/0x50 [ 137.928062][ T8742] legacy_get_tree+0x103/0x1f0 [ 137.932884][ T8742] vfs_get_tree+0x8b/0x2d0 [ 137.937273][ T8742] ? capable+0x14/0x20 [ 137.941327][ T8742] do_mount+0x1272/0x1c30 [ 137.945625][ T8742] ? lock_downgrade+0x960/0x960 [ 137.950447][ T8742] ? copy_mount_string+0x20/0x20 [ 137.955358][ T8742] ? __kasan_check_write+0x14/0x20 [ 137.960437][ T8742] ? _copy_from_user+0xc5/0x110 [ 137.965278][ T8742] __x64_sys_mount+0x169/0x1c0 [ 137.970029][ T8742] do_syscall_64+0xd0/0x630 [ 137.974506][ T8742] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 137.980387][ T8742] RIP: 0033:0x458da9 [ 137.984255][ T8742] 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 [ 138.003839][ T8742] RSP: 002b:00007efcfe96bc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.012233][ T8742] RAX: ffffffffffffffda RBX: 00007efcfe96bc90 RCX: 0000000000458da9 [ 138.020190][ T8742] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 138.028143][ T8742] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 138.036087][ T8742] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcfe96c6d4 [ 138.044027][ T8742] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 138.052012][ T8752] CPU: 1 PID: 8752 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 138.060591][ T8752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.070634][ T8752] Call Trace: [ 138.073916][ T8752] dump_stack+0x12d/0x187 [ 138.078245][ T8752] should_fail.cold.4+0x5/0x13 [ 138.083006][ T8752] ? fault_create_debugfs_attr+0x150/0x150 [ 138.088798][ T8752] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 138.095368][ T8752] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.100899][ T8752] __should_failslab+0xba/0xf0 [ 138.105647][ T8752] should_failslab+0x9/0x14 [ 138.110130][ T8752] kmem_cache_alloc+0x47/0x760 [ 138.114878][ T8752] ? __kasan_check_read+0x11/0x20 [ 138.119896][ T8752] ? mark_lock+0xbf/0x630 [ 138.124206][ T8752] ? legacy_get_tree+0x103/0x1f0 [ 138.129125][ T8752] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 138.135548][ T8752] idr_get_free+0x35d/0x880 [ 138.140044][ T8752] idr_alloc_u32+0x13a/0x330 [ 138.144617][ T8752] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 138.150159][ T8752] ? lock_acquire+0x209/0x9e0 [ 138.154909][ T8752] ? __kasan_check_write+0x14/0x20 [ 138.160002][ T8752] ? do_raw_spin_lock+0x132/0x2e0 [ 138.165010][ T8752] idr_alloc+0x7d/0xc0 [ 138.169060][ T8752] ? idr_alloc_u32+0x330/0x330 [ 138.173812][ T8752] p9_client_prepare_req.part.5+0x571/0x670 [ 138.179987][ T8752] p9_client_rpc+0x174/0xe50 [ 138.184580][ T8752] ? p9_client_prepare_req.part.5+0x670/0x670 [ 138.190725][ T8752] ? p9_pollwait+0x182/0x210 [ 138.195302][ T8752] ? pipe_poll+0xc8/0x6b0 [ 138.199610][ T8752] ? ksys_dup3+0x2e0/0x2e0 [ 138.204011][ T8752] ? p9_fd_poll+0x19b/0x2a0 [ 138.208495][ T8752] ? p9_conn_create+0x3a5/0x4f0 [ 138.213328][ T8752] ? p9_conn_create+0x4f0/0x4f0 [ 138.218168][ T8752] p9_client_create+0x7fb/0x10f0 [ 138.223111][ T8752] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 138.229159][ T8752] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.234686][ T8752] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.240991][ T8752] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.246783][ T8752] ? lockdep_init_map_waits+0x270/0x870 [ 138.252325][ T8752] v9fs_session_init+0x1ed/0x14c0 [ 138.257331][ T8752] ? v9fs_session_init+0x1ed/0x14c0 [ 138.262530][ T8752] ? find_held_lock+0x36/0x1d0 [ 138.267281][ T8752] ? v9fs_show_options+0x6c0/0x6c0 [ 138.272374][ T8752] ? __kasan_check_read+0x11/0x20 [ 138.277381][ T8752] ? bbr_lt_bw_sampling.isra.5+0x220/0xeb0 [ 138.283176][ T8752] ? v9fs_mount+0x55/0x7f0 [ 138.287572][ T8752] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.293094][ T8752] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.299135][ T8752] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.305192][ T8752] ? kmem_cache_alloc_trace+0x39e/0x780 [ 138.310729][ T8752] ? apparmor_task_alloc+0x2f0/0x2f0 [ 138.315997][ T8752] v9fs_mount+0x72/0x7f0 [ 138.320240][ T8752] ? v9fs_write_inode+0x50/0x50 [ 138.325070][ T8752] legacy_get_tree+0x103/0x1f0 [ 138.329824][ T8752] vfs_get_tree+0x8b/0x2d0 [ 138.334220][ T8752] ? capable+0x14/0x20 [ 138.338271][ T8752] do_mount+0x1272/0x1c30 [ 138.342580][ T8752] ? lock_downgrade+0x960/0x960 [ 138.347416][ T8752] ? copy_mount_string+0x20/0x20 [ 138.352343][ T8752] ? __kasan_check_write+0x14/0x20 [ 138.357434][ T8752] ? _copy_from_user+0xc5/0x110 [ 138.362272][ T8752] __x64_sys_mount+0x169/0x1c0 [ 138.367019][ T8752] do_syscall_64+0xd0/0x630 [ 138.371510][ T8752] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 138.377379][ T8752] RIP: 0033:0x458da9 [ 138.381253][ T8752] 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 [ 138.400931][ T8752] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.409327][ T8752] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 138.417283][ T8752] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 138.425239][ T8752] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 138.433198][ T8752] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 138.441156][ T8752] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 138.642591][ T8757] FAULT_INJECTION: forcing a failure. [ 138.642591][ T8757] name failslab, interval 1, probability 0, space 0, times 0 [ 138.655199][ T8757] CPU: 1 PID: 8757 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 138.663780][ T8757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.673864][ T8757] Call Trace: [ 138.677153][ T8757] dump_stack+0x12d/0x187 [ 138.681484][ T8757] should_fail.cold.4+0x5/0x13 [ 138.684029][ T8766] FAULT_INJECTION: forcing a failure. [ 138.684029][ T8766] name failslab, interval 1, probability 0, space 0, times 0 [ 138.686259][ T8757] ? fault_create_debugfs_attr+0x150/0x150 [ 138.704664][ T8757] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 138.711227][ T8757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.716751][ T8757] __should_failslab+0xba/0xf0 [ 138.721486][ T8757] should_failslab+0x9/0x14 [ 138.725959][ T8757] kmem_cache_alloc+0x47/0x760 [ 138.730703][ T8757] ? __kasan_check_read+0x11/0x20 [ 138.735702][ T8757] ? mark_lock+0xbf/0x630 [ 138.740000][ T8757] ? legacy_get_tree+0x103/0x1f0 [ 138.744910][ T8757] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 138.751295][ T8757] idr_get_free+0x35d/0x880 [ 138.755777][ T8757] idr_alloc_u32+0x13a/0x330 [ 138.760338][ T8757] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 138.765853][ T8757] ? lock_acquire+0x209/0x9e0 [ 138.770512][ T8757] ? __kasan_check_write+0x14/0x20 [ 138.775624][ T8757] ? do_raw_spin_lock+0x132/0x2e0 [ 138.780619][ T8757] idr_alloc+0x7d/0xc0 [ 138.784657][ T8757] ? idr_alloc_u32+0x330/0x330 [ 138.789407][ T8757] p9_client_prepare_req.part.5+0x571/0x670 [ 138.795271][ T8757] p9_client_rpc+0x174/0xe50 [ 138.799843][ T8757] ? p9_client_prepare_req.part.5+0x670/0x670 [ 138.805880][ T8757] ? p9_pollwait+0x182/0x210 [ 138.810441][ T8757] ? pipe_poll+0xc8/0x6b0 [ 138.814743][ T8757] ? ksys_dup3+0x2e0/0x2e0 [ 138.819130][ T8757] ? p9_fd_poll+0x19b/0x2a0 [ 138.823605][ T8757] ? p9_conn_create+0x3a5/0x4f0 [ 138.828438][ T8757] ? p9_conn_create+0x4f0/0x4f0 [ 138.833270][ T8757] p9_client_create+0x7fb/0x10f0 [ 138.838185][ T8757] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 138.844219][ T8757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.850775][ T8757] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.856810][ T8757] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.862595][ T8757] ? lockdep_init_map_waits+0x270/0x870 [ 138.868127][ T8757] v9fs_session_init+0x1ed/0x14c0 [ 138.873122][ T8757] ? v9fs_session_init+0x1ed/0x14c0 [ 138.878292][ T8757] ? find_held_lock+0x36/0x1d0 [ 138.883029][ T8757] ? v9fs_show_options+0x6c0/0x6c0 [ 138.888115][ T8757] ? __kasan_check_read+0x11/0x20 [ 138.893118][ T8757] ? v9fs_mount+0x55/0x7f0 [ 138.897504][ T8757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.903021][ T8757] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.909057][ T8757] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.914835][ T8757] ? kmem_cache_alloc_trace+0x39e/0x780 [ 138.920357][ T8757] ? apparmor_task_alloc+0x2f0/0x2f0 [ 138.925620][ T8757] v9fs_mount+0x72/0x7f0 [ 138.929844][ T8757] ? v9fs_write_inode+0x50/0x50 [ 138.934665][ T8757] legacy_get_tree+0x103/0x1f0 [ 138.939403][ T8757] vfs_get_tree+0x8b/0x2d0 [ 138.943787][ T8757] ? capable+0x14/0x20 [ 138.947828][ T8757] do_mount+0x1272/0x1c30 [ 138.952126][ T8757] ? lock_downgrade+0x960/0x960 [ 138.956951][ T8757] ? copy_mount_string+0x20/0x20 [ 138.961862][ T8757] ? __kasan_check_write+0x14/0x20 [ 138.967289][ T8757] ? _copy_from_user+0xc5/0x110 [ 138.972126][ T8757] __x64_sys_mount+0x169/0x1c0 [ 138.976863][ T8757] do_syscall_64+0xd0/0x630 [ 138.981339][ T8757] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 138.987201][ T8757] RIP: 0033:0x458da9 [ 138.991068][ T8757] 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 [ 139.010667][ T8757] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 139.019072][ T8757] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 139.027020][ T8757] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 139.034969][ T8757] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 139.042916][ T8757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 139.050860][ T8757] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 139.058833][ T8766] CPU: 0 PID: 8766 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 139.067413][ T8766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.077550][ T8766] Call Trace: [ 139.080836][ T8766] dump_stack+0x12d/0x187 [ 139.085169][ T8766] should_fail.cold.4+0x5/0x13 [ 139.089924][ T8766] ? stack_trace_save+0x82/0xb0 [ 139.095200][ T8766] ? fault_create_debugfs_attr+0x150/0x150 [ 139.095855][ T8765] FAULT_INJECTION: forcing a failure. [ 139.095855][ T8765] name failslab, interval 1, probability 0, space 0, times 0 [ 139.100994][ T8766] __should_failslab+0xba/0xf0 [ 139.118270][ T8766] should_failslab+0x9/0x14 [ 139.122745][ T8766] kmem_cache_alloc+0x47/0x760 [ 139.127477][ T8766] ? __kasan_check_read+0x11/0x20 [ 139.132474][ T8766] ? mark_lock+0xbf/0x630 [ 139.136777][ T8766] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 139.143165][ T8766] idr_get_free+0x35d/0x880 [ 139.147646][ T8766] ? mark_held_locks+0x130/0x130 [ 139.152568][ T8766] idr_alloc_u32+0x13a/0x330 [ 139.157129][ T8766] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 139.162639][ T8766] ? lock_acquire+0x209/0x9e0 [ 139.167287][ T8766] ? __kasan_check_write+0x14/0x20 [ 139.172366][ T8766] ? do_raw_spin_lock+0x132/0x2e0 [ 139.177371][ T8766] idr_alloc+0x7d/0xc0 [ 139.181428][ T8766] ? idr_alloc_u32+0x330/0x330 [ 139.186166][ T8766] p9_client_prepare_req.part.5+0x571/0x670 [ 139.192037][ T8766] p9_client_rpc+0x174/0xe50 [ 139.196607][ T8766] ? p9_client_prepare_req.part.5+0x670/0x670 [ 139.202647][ T8766] ? p9_pollwait+0x182/0x210 [ 139.207209][ T8766] ? pipe_poll+0xc8/0x6b0 [ 139.211524][ T8766] ? ksys_dup3+0x2e0/0x2e0 [ 139.215911][ T8766] ? p9_fd_poll+0x19b/0x2a0 [ 139.220383][ T8766] ? p9_conn_create+0x3a5/0x4f0 [ 139.225303][ T8766] ? p9_conn_create+0x4f0/0x4f0 [ 139.230128][ T8766] p9_client_create+0x7fb/0x10f0 [ 139.235055][ T8766] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 139.241088][ T8766] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.246606][ T8766] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.252640][ T8766] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.258431][ T8766] ? lockdep_init_map_waits+0x270/0x870 [ 139.263955][ T8766] v9fs_session_init+0x1ed/0x14c0 [ 139.268949][ T8766] ? v9fs_session_init+0x1ed/0x14c0 [ 139.274120][ T8766] ? find_held_lock+0x36/0x1d0 [ 139.278858][ T8766] ? v9fs_show_options+0x6c0/0x6c0 [ 139.283960][ T8766] ? __kasan_check_read+0x11/0x20 [ 139.288963][ T8766] ? v9fs_mount+0x55/0x7f0 [ 139.293352][ T8766] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.298869][ T8766] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.304903][ T8766] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.310682][ T8766] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.316204][ T8766] ? apparmor_task_alloc+0x2f0/0x2f0 [ 139.322947][ T8766] v9fs_mount+0x72/0x7f0 [ 139.327173][ T8766] ? v9fs_write_inode+0x50/0x50 [ 139.331992][ T8766] legacy_get_tree+0x103/0x1f0 [ 139.336742][ T8766] vfs_get_tree+0x8b/0x2d0 [ 139.341129][ T8766] ? capable+0x14/0x20 [ 139.345171][ T8766] do_mount+0x1272/0x1c30 [ 139.349490][ T8766] ? lock_downgrade+0x960/0x960 [ 139.354336][ T8766] ? copy_mount_string+0x20/0x20 [ 139.359255][ T8766] ? __kasan_check_write+0x14/0x20 [ 139.364343][ T8766] ? _copy_from_user+0xc5/0x110 [ 139.369173][ T8766] __x64_sys_mount+0x169/0x1c0 [ 139.373918][ T8766] do_syscall_64+0xd0/0x630 [ 139.378429][ T8766] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 139.384305][ T8766] RIP: 0033:0x458da9 [ 139.388177][ T8766] 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 [ 139.407957][ T8766] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 139.416361][ T8766] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 139.424326][ T8766] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 139.432273][ T8766] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 139.440217][ T8766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 139.448159][ T8766] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 139.456129][ T8765] CPU: 1 PID: 8765 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 139.464707][ T8765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.474845][ T8765] Call Trace: [ 139.478135][ T8765] dump_stack+0x12d/0x187 [ 139.482463][ T8765] should_fail.cold.4+0x5/0x13 [ 139.487229][ T8765] ? fault_create_debugfs_attr+0x150/0x150 [ 139.493032][ T8765] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 139.499618][ T8765] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.505161][ T8765] __should_failslab+0xba/0xf0 [ 139.509927][ T8765] should_failslab+0x9/0x14 [ 139.514424][ T8765] kmem_cache_alloc+0x47/0x760 [ 139.519208][ T8765] ? __kasan_check_read+0x11/0x20 [ 139.524227][ T8765] ? mark_lock+0xbf/0x630 [ 139.528546][ T8765] ? legacy_get_tree+0x103/0x1f0 [ 139.533480][ T8765] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 139.539884][ T8765] idr_get_free+0x35d/0x880 [ 139.544396][ T8765] idr_alloc_u32+0x13a/0x330 [ 139.548983][ T8765] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 139.551135][ T8768] FAULT_INJECTION: forcing a failure. [ 139.551135][ T8768] name failslab, interval 1, probability 0, space 0, times 0 [ 139.554692][ T8765] ? lock_acquire+0x209/0x9e0 [ 139.571907][ T8765] ? __kasan_check_write+0x14/0x20 [ 139.577176][ T8765] ? do_raw_spin_lock+0x132/0x2e0 [ 139.582181][ T8765] idr_alloc+0x7d/0xc0 [ 139.586228][ T8765] ? idr_alloc_u32+0x330/0x330 [ 139.591065][ T8765] p9_client_prepare_req.part.5+0x571/0x670 [ 139.596936][ T8765] p9_client_rpc+0x174/0xe50 [ 139.601502][ T8765] ? p9_client_prepare_req.part.5+0x670/0x670 [ 139.607541][ T8765] ? p9_pollwait+0x182/0x210 [ 139.612104][ T8765] ? pipe_poll+0xc8/0x6b0 [ 139.616402][ T8765] ? ksys_dup3+0x2e0/0x2e0 [ 139.620787][ T8765] ? p9_fd_poll+0x19b/0x2a0 [ 139.625261][ T8765] ? p9_conn_create+0x3a5/0x4f0 [ 139.630083][ T8765] ? p9_conn_create+0x4f0/0x4f0 [ 139.634915][ T8765] p9_client_create+0x7fb/0x10f0 [ 139.639833][ T8765] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 139.645868][ T8765] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.651384][ T8765] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.657421][ T8765] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.663203][ T8765] ? lockdep_init_map_waits+0x270/0x870 [ 139.668725][ T8765] v9fs_session_init+0x1ed/0x14c0 [ 139.673726][ T8765] ? v9fs_session_init+0x1ed/0x14c0 [ 139.678992][ T8765] ? find_held_lock+0x36/0x1d0 [ 139.683730][ T8765] ? v9fs_show_options+0x6c0/0x6c0 [ 139.688809][ T8765] ? __kasan_check_read+0x11/0x20 [ 139.693818][ T8765] ? v9fs_mount+0x55/0x7f0 [ 139.698205][ T8765] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.703719][ T8765] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.709753][ T8765] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.715531][ T8765] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.721059][ T8765] ? apparmor_task_alloc+0x2f0/0x2f0 [ 139.726314][ T8765] v9fs_mount+0x72/0x7f0 [ 139.730528][ T8765] ? v9fs_write_inode+0x50/0x50 [ 139.735348][ T8765] legacy_get_tree+0x103/0x1f0 [ 139.741298][ T8765] vfs_get_tree+0x8b/0x2d0 [ 139.745768][ T8765] ? capable+0x14/0x20 [ 139.749820][ T8765] do_mount+0x1272/0x1c30 [ 139.754139][ T8765] ? lock_downgrade+0x960/0x960 [ 139.758959][ T8765] ? copy_mount_string+0x20/0x20 [ 139.763872][ T8765] ? __kasan_check_write+0x14/0x20 [ 139.768953][ T8765] ? _copy_from_user+0xc5/0x110 [ 139.773777][ T8765] __x64_sys_mount+0x169/0x1c0 [ 139.778529][ T8765] do_syscall_64+0xd0/0x630 [ 139.783025][ T8765] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 139.788894][ T8765] RIP: 0033:0x458da9 [ 139.792780][ T8765] 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 [ 139.812355][ T8765] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 139.820734][ T8765] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 139.828679][ T8765] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 139.836626][ T8765] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 139.844569][ T8765] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 139.852633][ T8765] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 139.860600][ T8768] CPU: 0 PID: 8768 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 139.869180][ T8768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.879223][ T8768] Call Trace: [ 139.882530][ T8768] dump_stack+0x12d/0x187 [ 139.886859][ T8768] should_fail.cold.4+0x5/0x13 [ 139.891624][ T8768] ? fault_create_debugfs_attr+0x150/0x150 [ 139.897447][ T8768] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 139.904029][ T8768] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.909571][ T8768] __should_failslab+0xba/0xf0 [ 139.914324][ T8768] should_failslab+0x9/0x14 [ 139.918822][ T8768] kmem_cache_alloc+0x47/0x760 [ 139.923574][ T8768] ? __kasan_check_read+0x11/0x20 [ 139.928286][ T8781] FAULT_INJECTION: forcing a failure. [ 139.928286][ T8781] name failslab, interval 1, probability 0, space 0, times 0 [ 139.928587][ T8768] ? mark_lock+0xbf/0x630 [ 139.945449][ T8768] ? legacy_get_tree+0x103/0x1f0 [ 139.950366][ T8768] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 139.956869][ T8768] idr_get_free+0x35d/0x880 [ 139.961358][ T8768] idr_alloc_u32+0x13a/0x330 [ 139.965920][ T8768] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 139.971461][ T8768] ? lock_acquire+0x209/0x9e0 [ 139.976114][ T8768] ? __kasan_check_write+0x14/0x20 [ 139.981197][ T8768] ? do_raw_spin_lock+0x132/0x2e0 [ 139.986291][ T8768] idr_alloc+0x7d/0xc0 [ 139.990341][ T8768] ? idr_alloc_u32+0x330/0x330 [ 139.995084][ T8768] p9_client_prepare_req.part.5+0x571/0x670 [ 140.000968][ T8768] p9_client_rpc+0x174/0xe50 [ 140.005540][ T8768] ? p9_client_prepare_req.part.5+0x670/0x670 [ 140.011582][ T8768] ? p9_pollwait+0x182/0x210 [ 140.016148][ T8768] ? pipe_poll+0xc8/0x6b0 [ 140.020447][ T8768] ? ksys_dup3+0x2e0/0x2e0 [ 140.024837][ T8768] ? p9_fd_poll+0x19b/0x2a0 [ 140.029398][ T8768] ? p9_conn_create+0x3a5/0x4f0 [ 140.034481][ T8768] ? p9_conn_create+0x4f0/0x4f0 [ 140.039307][ T8768] p9_client_create+0x7fb/0x10f0 [ 140.044227][ T8768] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 140.050269][ T8768] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.055794][ T8768] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.061828][ T8768] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.067715][ T8768] ? lockdep_init_map_waits+0x270/0x870 [ 140.073501][ T8768] v9fs_session_init+0x1ed/0x14c0 [ 140.078495][ T8768] ? v9fs_session_init+0x1ed/0x14c0 [ 140.083665][ T8768] ? find_held_lock+0x36/0x1d0 [ 140.088406][ T8768] ? v9fs_show_options+0x6c0/0x6c0 [ 140.093486][ T8768] ? __kasan_check_read+0x11/0x20 [ 140.098568][ T8768] ? v9fs_mount+0x55/0x7f0 [ 140.102952][ T8768] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.108467][ T8768] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.114503][ T8768] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.120283][ T8768] ? kmem_cache_alloc_trace+0x39e/0x780 [ 140.125801][ T8768] ? apparmor_task_alloc+0x2f0/0x2f0 [ 140.131060][ T8768] v9fs_mount+0x72/0x7f0 [ 140.135285][ T8768] ? v9fs_write_inode+0x50/0x50 [ 140.140105][ T8768] legacy_get_tree+0x103/0x1f0 [ 140.144841][ T8768] vfs_get_tree+0x8b/0x2d0 [ 140.149242][ T8768] ? capable+0x14/0x20 [ 140.153284][ T8768] do_mount+0x1272/0x1c30 [ 140.157581][ T8768] ? lock_downgrade+0x960/0x960 [ 140.162417][ T8768] ? copy_mount_string+0x20/0x20 [ 140.167339][ T8768] ? __kasan_check_write+0x14/0x20 [ 140.172443][ T8768] ? _copy_from_user+0xc5/0x110 [ 140.177279][ T8768] __x64_sys_mount+0x169/0x1c0 [ 140.182027][ T8768] do_syscall_64+0xd0/0x630 [ 140.186513][ T8768] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 140.192383][ T8768] RIP: 0033:0x458da9 [ 140.196265][ T8768] 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 [ 140.215840][ T8768] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 140.224219][ T8768] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 140.232163][ T8768] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 140.240204][ T8768] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 140.248146][ T8768] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 140.256088][ T8768] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 140.264062][ T8781] CPU: 1 PID: 8781 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 140.269895][ T8763] FAULT_INJECTION: forcing a failure. [ 140.269895][ T8763] name failslab, interval 1, probability 0, space 0, times 0 [ 140.272642][ T8781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.295212][ T8781] Call Trace: [ 140.298486][ T8781] dump_stack+0x12d/0x187 [ 140.302792][ T8781] should_fail.cold.4+0x5/0x13 [ 140.307527][ T8781] ? fault_create_debugfs_attr+0x150/0x150 [ 140.313303][ T8781] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 140.319859][ T8781] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.325733][ T8781] __should_failslab+0xba/0xf0 [ 140.330469][ T8781] should_failslab+0x9/0x14 [ 140.334947][ T8781] kmem_cache_alloc+0x47/0x760 [ 140.339697][ T8781] ? __kasan_check_read+0x11/0x20 [ 140.344694][ T8781] ? mark_lock+0xbf/0x630 [ 140.348995][ T8781] ? legacy_get_tree+0x103/0x1f0 [ 140.353916][ T8781] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 140.360301][ T8781] idr_get_free+0x35d/0x880 [ 140.364785][ T8781] idr_alloc_u32+0x13a/0x330 [ 140.369346][ T8781] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 140.374860][ T8781] ? lock_acquire+0x209/0x9e0 [ 140.379517][ T8781] ? __kasan_check_write+0x14/0x20 [ 140.384597][ T8781] ? do_raw_spin_lock+0x132/0x2e0 [ 140.389596][ T8781] idr_alloc+0x7d/0xc0 [ 140.393647][ T8781] ? idr_alloc_u32+0x330/0x330 [ 140.398413][ T8781] p9_client_prepare_req.part.5+0x571/0x670 [ 140.404375][ T8781] p9_client_rpc+0x174/0xe50 [ 140.408951][ T8781] ? p9_client_prepare_req.part.5+0x670/0x670 [ 140.414992][ T8781] ? p9_pollwait+0x182/0x210 [ 140.419558][ T8781] ? pipe_poll+0xc8/0x6b0 [ 140.423863][ T8781] ? ksys_dup3+0x2e0/0x2e0 [ 140.428250][ T8781] ? p9_fd_poll+0x19b/0x2a0 [ 140.432725][ T8781] ? p9_conn_create+0x3a5/0x4f0 [ 140.437546][ T8781] ? p9_conn_create+0x4f0/0x4f0 [ 140.442384][ T8781] p9_client_create+0x7fb/0x10f0 [ 140.447299][ T8781] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 140.453343][ T8781] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.458855][ T8781] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.464897][ T8781] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.470686][ T8781] ? lockdep_init_map_waits+0x270/0x870 [ 140.476207][ T8781] v9fs_session_init+0x1ed/0x14c0 [ 140.481211][ T8781] ? v9fs_session_init+0x1ed/0x14c0 [ 140.486380][ T8781] ? find_held_lock+0x36/0x1d0 [ 140.491129][ T8781] ? v9fs_show_options+0x6c0/0x6c0 [ 140.496219][ T8781] ? __kasan_check_read+0x11/0x20 [ 140.501215][ T8781] ? v9fs_mount+0x55/0x7f0 [ 140.505600][ T8781] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.511114][ T8781] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.517235][ T8781] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.523014][ T8781] ? kmem_cache_alloc_trace+0x39e/0x780 [ 140.528618][ T8781] ? apparmor_task_alloc+0x2f0/0x2f0 [ 140.533874][ T8781] v9fs_mount+0x72/0x7f0 [ 140.538109][ T8781] ? v9fs_write_inode+0x50/0x50 [ 140.543017][ T8781] legacy_get_tree+0x103/0x1f0 [ 140.547771][ T8781] vfs_get_tree+0x8b/0x2d0 [ 140.552166][ T8781] ? capable+0x14/0x20 [ 140.556480][ T8781] do_mount+0x1272/0x1c30 [ 140.560789][ T8781] ? lock_downgrade+0x960/0x960 [ 140.565621][ T8781] ? copy_mount_string+0x20/0x20 [ 140.570540][ T8781] ? __kasan_check_write+0x14/0x20 [ 140.575623][ T8781] ? _copy_from_user+0xc5/0x110 [ 140.580451][ T8781] __x64_sys_mount+0x169/0x1c0 [ 140.585188][ T8781] do_syscall_64+0xd0/0x630 [ 140.589773][ T8781] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 140.595643][ T8781] RIP: 0033:0x458da9 [ 140.599513][ T8781] 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 [ 140.619109][ T8781] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 140.627494][ T8781] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 140.635440][ T8781] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 140.643385][ T8781] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 140.651331][ T8781] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 140.659278][ T8781] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 140.667243][ T8763] CPU: 0 PID: 8763 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 140.675817][ T8763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.685895][ T8763] Call Trace: [ 140.689180][ T8763] dump_stack+0x12d/0x187 [ 140.693509][ T8763] should_fail.cold.4+0x5/0x13 [ 140.698268][ T8763] ? fault_create_debugfs_attr+0x150/0x150 [ 140.704065][ T8763] ? save_stack+0x3f/0x50 [ 140.708397][ T8763] ? save_stack+0x21/0x50 [ 140.712722][ T8763] __should_failslab+0xba/0xf0 [ 140.717476][ T8763] should_failslab+0x9/0x14 [ 140.721971][ T8763] kmem_cache_alloc+0x47/0x760 [ 140.726804][ T8763] ? __kasan_check_read+0x11/0x20 [ 140.731819][ T8763] ? mark_lock+0xbf/0x630 [ 140.736147][ T8763] ? legacy_get_tree+0x103/0x1f0 [ 140.741262][ T8763] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 140.747681][ T8763] idr_get_free+0x35d/0x880 [ 140.752713][ T8763] ? mark_held_locks+0x130/0x130 [ 140.757646][ T8763] idr_alloc_u32+0x13a/0x330 [ 140.762226][ T8763] ? __radix_tree_preload+0xc1/0x230 [ 140.767504][ T8763] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 140.773038][ T8763] ? lock_acquire+0x209/0x9e0 [ 140.777714][ T8763] ? __kasan_check_write+0x14/0x20 [ 140.782820][ T8763] ? do_raw_spin_lock+0x132/0x2e0 [ 140.787832][ T8763] idr_alloc+0x7d/0xc0 [ 140.791902][ T8763] ? idr_alloc_u32+0x330/0x330 [ 140.796657][ T8763] p9_client_prepare_req.part.5+0x571/0x670 [ 140.802536][ T8763] p9_client_rpc+0x174/0xe50 [ 140.807125][ T8763] ? p9_client_prepare_req.part.5+0x670/0x670 [ 140.808634][ T27] audit: type=1804 audit(1587461136.913:28): pid=8788 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir779750343/syzkaller.0t7Vk5/37/file0" dev="sda1" ino=16050 res=1 [ 140.814305][ T8763] ? p9_pollwait+0x182/0x210 [ 140.814316][ T8763] ? pipe_poll+0xc8/0x6b0 [ 140.814322][ T8763] ? ksys_dup3+0x2e0/0x2e0 [ 140.814331][ T8763] ? p9_fd_poll+0x19b/0x2a0 [ 140.814341][ T8763] ? p9_conn_create+0x3a5/0x4f0 [ 140.814354][ T8763] ? p9_conn_create+0x4f0/0x4f0 [ 140.838241][ T8788] FAULT_INJECTION: forcing a failure. [ 140.838241][ T8788] name failslab, interval 1, probability 0, space 0, times 0 [ 140.841735][ T8763] p9_client_create+0x7fb/0x10f0 [ 140.883318][ T8763] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 140.889366][ T8763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.894881][ T8763] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.900943][ T8763] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.906726][ T8763] ? lockdep_init_map_waits+0x270/0x870 [ 140.912248][ T8763] v9fs_session_init+0x1ed/0x14c0 [ 140.917240][ T8763] ? v9fs_session_init+0x1ed/0x14c0 [ 140.922413][ T8763] ? find_held_lock+0x36/0x1d0 [ 140.927163][ T8763] ? v9fs_show_options+0x6c0/0x6c0 [ 140.932246][ T8763] ? __kasan_check_read+0x11/0x20 [ 140.937241][ T8763] ? br_fdb_change_mac_address+0x4a0/0x4f0 [ 140.943017][ T8763] ? v9fs_mount+0x55/0x7f0 [ 140.947404][ T8763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.952917][ T8763] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.959050][ T8763] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.964831][ T8763] ? kmem_cache_alloc_trace+0x39e/0x780 [ 140.970354][ T8763] ? apparmor_task_alloc+0x2f0/0x2f0 [ 140.975613][ T8763] v9fs_mount+0x72/0x7f0 [ 140.979830][ T8763] ? v9fs_write_inode+0x50/0x50 [ 140.984651][ T8763] legacy_get_tree+0x103/0x1f0 [ 140.989389][ T8763] vfs_get_tree+0x8b/0x2d0 [ 140.993777][ T8763] ? capable+0x14/0x20 [ 140.997842][ T8763] do_mount+0x1272/0x1c30 [ 141.002148][ T8763] ? lock_downgrade+0x960/0x960 [ 141.006974][ T8763] ? copy_mount_string+0x20/0x20 [ 141.011888][ T8763] ? __kasan_check_write+0x14/0x20 [ 141.016968][ T8763] ? _copy_from_user+0xc5/0x110 [ 141.021804][ T8763] __x64_sys_mount+0x169/0x1c0 [ 141.026551][ T8763] do_syscall_64+0xd0/0x630 [ 141.031042][ T8763] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 141.036908][ T8763] RIP: 0033:0x458da9 [ 141.040778][ T8763] 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 [ 141.060372][ T8763] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.068764][ T8763] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 141.077142][ T8763] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 141.085104][ T8763] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 141.093051][ T8763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 141.101006][ T8763] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 141.108971][ T8788] CPU: 1 PID: 8788 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 141.117554][ T8788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.127692][ T8788] Call Trace: [ 141.130981][ T8788] dump_stack+0x12d/0x187 [ 141.135349][ T8788] should_fail.cold.4+0x5/0x13 [ 141.140107][ T8788] ? stack_trace_save+0x82/0xb0 [ 141.145038][ T8788] ? fault_create_debugfs_attr+0x150/0x150 [ 141.150847][ T8788] __should_failslab+0xba/0xf0 [ 141.155608][ T8788] should_failslab+0x9/0x14 [ 141.160114][ T8788] kmem_cache_alloc+0x47/0x760 [ 141.164869][ T8788] ? __kasan_check_read+0x11/0x20 [ 141.169905][ T8788] ? mark_lock+0xbf/0x630 [ 141.174233][ T8788] ? legacy_get_tree+0x103/0x1f0 [ 141.179166][ T8788] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 141.185578][ T8788] idr_get_free+0x35d/0x880 [ 141.189338][ T8794] FAULT_INJECTION: forcing a failure. [ 141.189338][ T8794] name failslab, interval 1, probability 0, space 0, times 0 [ 141.190095][ T8788] ? mark_held_locks+0x130/0x130 [ 141.207565][ T8788] idr_alloc_u32+0x13a/0x330 [ 141.212143][ T8788] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 141.217678][ T8788] ? lock_acquire+0x209/0x9e0 [ 141.222334][ T8788] ? __kasan_check_write+0x14/0x20 [ 141.227522][ T8788] ? do_raw_spin_lock+0x132/0x2e0 [ 141.232570][ T8788] idr_alloc+0x7d/0xc0 [ 141.236633][ T8788] ? idr_alloc_u32+0x330/0x330 [ 141.241372][ T8788] p9_client_prepare_req.part.5+0x571/0x670 [ 141.247237][ T8788] p9_client_rpc+0x174/0xe50 [ 141.251798][ T8788] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 141.257600][ T8788] ? __debug_object_init+0x4fc/0x10f0 [ 141.262977][ T8788] ? __kasan_check_read+0x11/0x20 [ 141.267984][ T8788] ? p9_client_prepare_req.part.5+0x670/0x670 [ 141.274022][ T8788] ? free_object+0x70/0x70 [ 141.278410][ T8788] ? ksys_dup3+0x2e0/0x2e0 [ 141.282798][ T8788] ? lockdep_init_map_waits+0x270/0x870 [ 141.288334][ T8788] ? __kasan_check_write+0x14/0x20 [ 141.293502][ T8788] ? p9_conn_create+0x3ce/0x4f0 [ 141.298326][ T8788] ? p9_conn_create+0x4f0/0x4f0 [ 141.303155][ T8788] p9_client_create+0x7fb/0x10f0 [ 141.308631][ T8788] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 141.314676][ T8788] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.320230][ T8788] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.326459][ T8788] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.332256][ T8788] ? lockdep_init_map_waits+0x270/0x870 [ 141.337794][ T8788] v9fs_session_init+0x1ed/0x14c0 [ 141.342800][ T8788] ? v9fs_session_init+0x1ed/0x14c0 [ 141.348009][ T8788] ? find_held_lock+0x36/0x1d0 [ 141.352802][ T8788] ? v9fs_show_options+0x6c0/0x6c0 [ 141.357907][ T8788] ? __kasan_check_read+0x11/0x20 [ 141.362903][ T8788] ? v9fs_mount+0x55/0x7f0 [ 141.367293][ T8788] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.372818][ T8788] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.378852][ T8788] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.384642][ T8788] ? kmem_cache_alloc_trace+0x39e/0x780 [ 141.390158][ T8788] ? apparmor_task_alloc+0x2f0/0x2f0 [ 141.395418][ T8788] v9fs_mount+0x72/0x7f0 [ 141.399656][ T8788] ? v9fs_write_inode+0x50/0x50 [ 141.404501][ T8788] legacy_get_tree+0x103/0x1f0 [ 141.409279][ T8788] vfs_get_tree+0x8b/0x2d0 [ 141.413672][ T8788] ? capable+0x14/0x20 [ 141.417737][ T8788] do_mount+0x1272/0x1c30 [ 141.422043][ T8788] ? lock_downgrade+0x960/0x960 [ 141.426869][ T8788] ? copy_mount_string+0x20/0x20 [ 141.432135][ T8788] ? __kasan_check_write+0x14/0x20 [ 141.437232][ T8788] ? _copy_from_user+0xc5/0x110 [ 141.442143][ T8788] __x64_sys_mount+0x169/0x1c0 [ 141.446916][ T8788] do_syscall_64+0xd0/0x630 [ 141.451442][ T8788] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 141.457324][ T8788] RIP: 0033:0x458da9 [ 141.461192][ T8788] 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 [ 141.480982][ T8788] RSP: 002b:00007f95ee5c2c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.489386][ T8788] RAX: ffffffffffffffda RBX: 00007f95ee5c2c90 RCX: 0000000000458da9 [ 141.497762][ T8788] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 141.507181][ T8788] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 141.515134][ T8788] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5c36d4 [ 141.523127][ T8788] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 141.531108][ T8794] CPU: 0 PID: 8794 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 141.539703][ T8794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.549757][ T8794] Call Trace: [ 141.553132][ T8794] dump_stack+0x12d/0x187 [ 141.557576][ T8794] should_fail.cold.4+0x5/0x13 [ 141.562344][ T8794] ? fault_create_debugfs_attr+0x150/0x150 [ 141.568152][ T8794] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 141.574744][ T8794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.580304][ T8794] __should_failslab+0xba/0xf0 [ 141.585071][ T8794] should_failslab+0x9/0x14 [ 141.589629][ T8794] kmem_cache_alloc+0x47/0x760 [ 141.594424][ T8794] ? __kasan_check_read+0x11/0x20 [ 141.599444][ T8794] ? mark_lock+0xbf/0x630 [ 141.603765][ T8794] ? mark_held_locks+0x130/0x130 [ 141.608714][ T8794] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 141.609803][ T8804] FAULT_INJECTION: forcing a failure. [ 141.609803][ T8804] name failslab, interval 1, probability 0, space 0, times 0 [ 141.615136][ T8794] idr_get_free+0x35d/0x880 [ 141.632187][ T8794] idr_alloc_u32+0x13a/0x330 [ 141.636773][ T8794] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 141.642321][ T8794] ? lock_acquire+0x209/0x9e0 [ 141.647020][ T8794] ? __kasan_check_write+0x14/0x20 [ 141.652123][ T8794] ? do_raw_spin_lock+0x132/0x2e0 [ 141.657132][ T8794] idr_alloc+0x7d/0xc0 [ 141.661175][ T8794] ? idr_alloc_u32+0x330/0x330 [ 141.665916][ T8794] p9_client_prepare_req.part.5+0x571/0x670 [ 141.671785][ T8794] p9_client_rpc+0x174/0xe50 [ 141.676348][ T8794] ? p9_client_prepare_req.part.5+0x670/0x670 [ 141.682391][ T8794] ? p9_pollwait+0x182/0x210 [ 141.686957][ T8794] ? pipe_poll+0xc8/0x6b0 [ 141.691259][ T8794] ? ksys_dup3+0x2e0/0x2e0 [ 141.695646][ T8794] ? p9_fd_poll+0x19b/0x2a0 [ 141.700122][ T8794] ? p9_conn_create+0x3a5/0x4f0 [ 141.704949][ T8794] ? p9_conn_create+0x4f0/0x4f0 [ 141.709777][ T8794] p9_client_create+0x7fb/0x10f0 [ 141.714692][ T8794] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 141.720730][ T8794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.726246][ T8794] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.732281][ T8794] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.738065][ T8794] ? lockdep_init_map_waits+0x270/0x870 [ 141.743590][ T8794] v9fs_session_init+0x1ed/0x14c0 [ 141.748586][ T8794] ? v9fs_session_init+0x1ed/0x14c0 [ 141.753760][ T8794] ? find_held_lock+0x36/0x1d0 [ 141.758502][ T8794] ? v9fs_show_options+0x6c0/0x6c0 [ 141.763586][ T8794] ? __kasan_check_read+0x11/0x20 [ 141.768601][ T8794] ? v9fs_mount+0x55/0x7f0 [ 141.772988][ T8794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.778505][ T8794] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.784549][ T8794] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.790349][ T8794] ? kmem_cache_alloc_trace+0x39e/0x780 [ 141.795879][ T8794] ? apparmor_task_alloc+0x2f0/0x2f0 [ 141.801238][ T8794] v9fs_mount+0x72/0x7f0 [ 141.805564][ T8794] ? v9fs_write_inode+0x50/0x50 [ 141.810390][ T8794] legacy_get_tree+0x103/0x1f0 [ 141.815149][ T8794] vfs_get_tree+0x8b/0x2d0 [ 141.819569][ T8794] ? capable+0x14/0x20 [ 141.823613][ T8794] do_mount+0x1272/0x1c30 [ 141.827916][ T8794] ? lock_downgrade+0x960/0x960 [ 141.833350][ T8794] ? copy_mount_string+0x20/0x20 [ 141.841179][ T8794] ? __kasan_check_write+0x14/0x20 [ 141.847229][ T8794] ? _copy_from_user+0xc5/0x110 [ 141.854573][ T8794] __x64_sys_mount+0x169/0x1c0 [ 141.859311][ T8794] do_syscall_64+0xd0/0x630 [ 141.863793][ T8794] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 141.869656][ T8794] RIP: 0033:0x458da9 [ 141.873524][ T8794] 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 [ 141.893120][ T8794] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.901639][ T8794] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 141.909608][ T8794] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 141.917556][ T8794] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 141.925519][ T8794] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 141.933485][ T8794] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 141.941454][ T8804] CPU: 1 PID: 8804 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 141.950896][ T27] audit: type=1804 audit(1587461137.833:29): pid=8804 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir886178705/syzkaller.IEPhE9/40/file0" dev="sda1" ino=16043 res=1 [ 141.950934][ T8804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.983873][ T8804] Call Trace: [ 141.987160][ T8804] dump_stack+0x12d/0x187 [ 141.992108][ T8804] should_fail.cold.4+0x5/0x13 [ 141.996871][ T8804] ? fault_create_debugfs_attr+0x150/0x150 [ 142.003022][ T8804] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.009610][ T8804] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.015163][ T8804] __should_failslab+0xba/0xf0 [ 142.020010][ T8804] should_failslab+0x9/0x14 [ 142.024507][ T8804] kmem_cache_alloc+0x47/0x760 [ 142.029263][ T8804] ? __kasan_check_read+0x11/0x20 [ 142.034275][ T8804] ? mark_lock+0xbf/0x630 [ 142.038679][ T8804] ? legacy_get_tree+0x103/0x1f0 [ 142.043614][ T8804] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.050026][ T8804] idr_get_free+0x35d/0x880 2020/04/21 09:25:38 executed programs: 238 [ 142.053822][ T8809] 9pnet: Insufficient options for proto=fd [ 142.054961][ T8804] idr_alloc_u32+0x13a/0x330 [ 142.054973][ T8804] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 142.054980][ T8804] ? lock_acquire+0x209/0x9e0 [ 142.054992][ T8804] ? __kasan_check_write+0x14/0x20 [ 142.054999][ T8804] ? do_raw_spin_lock+0x132/0x2e0 [ 142.055009][ T8804] idr_alloc+0x7d/0xc0 [ 142.055015][ T8804] ? idr_alloc_u32+0x330/0x330 [ 142.094433][ T8804] p9_client_prepare_req.part.5+0x571/0x670 [ 142.100329][ T8804] p9_client_rpc+0x174/0xe50 [ 142.104913][ T8804] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 142.110712][ T8804] ? __debug_object_init+0x4fc/0x10f0 [ 142.113454][ T8811] FAULT_INJECTION: forcing a failure. [ 142.113454][ T8811] name failslab, interval 1, probability 0, space 0, times 0 [ 142.116067][ T8804] ? __kasan_check_read+0x11/0x20 [ 142.133613][ T8804] ? p9_client_prepare_req.part.5+0x670/0x670 [ 142.140359][ T8804] ? free_object+0x70/0x70 [ 142.145095][ T8804] ? ksys_dup3+0x2e0/0x2e0 [ 142.149485][ T8804] ? lockdep_init_map_waits+0x270/0x870 [ 142.155003][ T8804] ? __kasan_check_write+0x14/0x20 [ 142.160083][ T8804] ? p9_conn_create+0x3ce/0x4f0 [ 142.164908][ T8804] ? p9_conn_create+0x4f0/0x4f0 [ 142.169760][ T8804] p9_client_create+0x7fb/0x10f0 [ 142.174717][ T8804] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 142.180771][ T8804] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.186287][ T8804] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.192584][ T8804] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.198368][ T8804] ? lockdep_init_map_waits+0x270/0x870 [ 142.203982][ T8804] v9fs_session_init+0x1ed/0x14c0 [ 142.208995][ T8804] ? v9fs_session_init+0x1ed/0x14c0 [ 142.214175][ T8804] ? find_held_lock+0x36/0x1d0 [ 142.218916][ T8804] ? v9fs_show_options+0x6c0/0x6c0 [ 142.224179][ T8804] ? __kasan_check_read+0x11/0x20 [ 142.229958][ T8804] ? v9fs_mount+0x55/0x7f0 [ 142.234693][ T8804] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.240211][ T8804] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.246248][ T8804] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.253346][ T8804] ? kmem_cache_alloc_trace+0x39e/0x780 [ 142.258866][ T8804] ? apparmor_task_alloc+0x2f0/0x2f0 [ 142.264126][ T8804] v9fs_mount+0x72/0x7f0 [ 142.268344][ T8804] ? v9fs_write_inode+0x50/0x50 [ 142.273270][ T8804] legacy_get_tree+0x103/0x1f0 [ 142.278026][ T8804] vfs_get_tree+0x8b/0x2d0 [ 142.282416][ T8804] ? capable+0x14/0x20 [ 142.286459][ T8804] do_mount+0x1272/0x1c30 [ 142.290777][ T8804] ? lock_downgrade+0x960/0x960 [ 142.295777][ T8804] ? copy_mount_string+0x20/0x20 [ 142.301039][ T8804] ? __kasan_check_write+0x14/0x20 [ 142.306121][ T8804] ? _copy_from_user+0xc5/0x110 [ 142.310955][ T8804] __x64_sys_mount+0x169/0x1c0 [ 142.315698][ T8804] do_syscall_64+0xd0/0x630 [ 142.320178][ T8804] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 142.326925][ T8804] RIP: 0033:0x458da9 [ 142.330811][ T8804] 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 [ 142.350398][ T8804] RSP: 002b:00007f41f95eec78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.359065][ T8804] RAX: ffffffffffffffda RBX: 00007f41f95eec90 RCX: 0000000000458da9 [ 142.367537][ T8804] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 142.379041][ T8804] RBP: 000000000073bfa0 R08: 00000000200013c0 R09: 0000000000000000 [ 142.386985][ T8804] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f95ef6d4 [ 142.394937][ T8804] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 142.403010][ T8811] CPU: 0 PID: 8811 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 142.411582][ T8811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.421629][ T8811] Call Trace: [ 142.424909][ T8811] dump_stack+0x12d/0x187 [ 142.429237][ T8811] should_fail.cold.4+0x5/0x13 [ 142.433995][ T8811] ? fault_create_debugfs_attr+0x150/0x150 [ 142.439889][ T8811] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.446477][ T8811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.452021][ T8811] __should_failslab+0xba/0xf0 [ 142.453728][ T8814] FAULT_INJECTION: forcing a failure. [ 142.453728][ T8814] name failslab, interval 1, probability 0, space 0, times 0 [ 142.456873][ T8811] should_failslab+0x9/0x14 [ 142.473900][ T8811] kmem_cache_alloc+0x47/0x760 [ 142.478639][ T8811] ? __kasan_check_read+0x11/0x20 [ 142.483642][ T8811] ? mark_lock+0xbf/0x630 [ 142.487952][ T8811] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.494338][ T8811] idr_get_free+0x35d/0x880 [ 142.498824][ T8811] idr_alloc_u32+0x13a/0x330 [ 142.503392][ T8811] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 142.508907][ T8811] ? lock_acquire+0x209/0x9e0 [ 142.513565][ T8811] ? __kasan_check_write+0x14/0x20 [ 142.518652][ T8811] ? do_raw_spin_lock+0x132/0x2e0 [ 142.523648][ T8811] idr_alloc+0x7d/0xc0 [ 142.527687][ T8811] ? idr_alloc_u32+0x330/0x330 [ 142.532441][ T8811] p9_client_prepare_req.part.5+0x571/0x670 [ 142.538322][ T8811] p9_client_rpc+0x174/0xe50 [ 142.542898][ T8811] ? p9_client_prepare_req.part.5+0x670/0x670 [ 142.548956][ T8811] ? p9_pollwait+0x182/0x210 [ 142.553528][ T8811] ? pipe_poll+0xc8/0x6b0 [ 142.557826][ T8811] ? ksys_dup3+0x2e0/0x2e0 [ 142.562213][ T8811] ? p9_fd_poll+0x19b/0x2a0 [ 142.566687][ T8811] ? p9_conn_create+0x3a5/0x4f0 [ 142.571511][ T8811] ? p9_conn_create+0x4f0/0x4f0 [ 142.576350][ T8811] p9_client_create+0x7fb/0x10f0 [ 142.581303][ T8811] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 142.587354][ T8811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.592872][ T8811] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.598911][ T8811] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.604697][ T8811] ? lockdep_init_map_waits+0x270/0x870 [ 142.610224][ T8811] v9fs_session_init+0x1ed/0x14c0 [ 142.615223][ T8811] ? v9fs_session_init+0x1ed/0x14c0 [ 142.620394][ T8811] ? find_held_lock+0x36/0x1d0 [ 142.625133][ T8811] ? v9fs_show_options+0x6c0/0x6c0 [ 142.630222][ T8811] ? __kasan_check_read+0x11/0x20 [ 142.635219][ T8811] ? v9fs_mount+0x55/0x7f0 [ 142.639613][ T8811] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.645128][ T8811] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.651163][ T8811] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.656961][ T8811] ? kmem_cache_alloc_trace+0x39e/0x780 [ 142.662478][ T8811] ? apparmor_task_alloc+0x2f0/0x2f0 [ 142.667734][ T8811] v9fs_mount+0x72/0x7f0 [ 142.671948][ T8811] ? v9fs_write_inode+0x50/0x50 [ 142.676771][ T8811] legacy_get_tree+0x103/0x1f0 [ 142.681511][ T8811] vfs_get_tree+0x8b/0x2d0 [ 142.685901][ T8811] ? capable+0x14/0x20 [ 142.689946][ T8811] do_mount+0x1272/0x1c30 [ 142.694257][ T8811] ? lock_downgrade+0x960/0x960 [ 142.699078][ T8811] ? copy_mount_string+0x20/0x20 [ 142.703994][ T8811] ? __kasan_check_write+0x14/0x20 [ 142.709075][ T8811] ? _copy_from_user+0xc5/0x110 [ 142.713898][ T8811] __x64_sys_mount+0x169/0x1c0 [ 142.718637][ T8811] do_syscall_64+0xd0/0x630 [ 142.723118][ T8811] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 142.728987][ T8811] RIP: 0033:0x458da9 [ 142.732857][ T8811] 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 [ 142.752447][ T8811] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.760833][ T8811] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 142.768790][ T8811] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 142.776733][ T8811] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 142.784676][ T8811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 142.792619][ T8811] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 142.800581][ T8814] CPU: 1 PID: 8814 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 142.809154][ T8814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.819199][ T8814] Call Trace: [ 142.822482][ T8814] dump_stack+0x12d/0x187 [ 142.826801][ T8814] should_fail.cold.4+0x5/0x13 [ 142.831552][ T8814] ? fault_create_debugfs_attr+0x150/0x150 [ 142.837362][ T8814] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.843949][ T8814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.849487][ T8814] __should_failslab+0xba/0xf0 [ 142.854237][ T8814] should_failslab+0x9/0x14 [ 142.858734][ T8814] kmem_cache_alloc+0x47/0x760 [ 142.863485][ T8814] ? __kasan_check_read+0x11/0x20 [ 142.868495][ T8814] ? mark_lock+0xbf/0x630 [ 142.872809][ T8814] ? legacy_get_tree+0x103/0x1f0 [ 142.877740][ T8814] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.884149][ T8814] idr_get_free+0x35d/0x880 [ 142.888653][ T8814] idr_alloc_u32+0x13a/0x330 [ 142.893267][ T8814] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 142.898801][ T8814] ? lock_acquire+0x209/0x9e0 [ 142.903472][ T8814] ? __kasan_check_write+0x14/0x20 [ 142.908569][ T8814] ? do_raw_spin_lock+0x132/0x2e0 [ 142.913592][ T8814] idr_alloc+0x7d/0xc0 [ 142.917636][ T8814] ? idr_alloc_u32+0x330/0x330 [ 142.922385][ T8814] p9_client_prepare_req.part.5+0x571/0x670 [ 142.928709][ T8814] p9_client_rpc+0x174/0xe50 [ 142.933296][ T8814] ? p9_client_prepare_req.part.5+0x670/0x670 [ 142.939358][ T8814] ? p9_pollwait+0x182/0x210 [ 142.943935][ T8814] ? pipe_poll+0xc8/0x6b0 [ 142.948250][ T8814] ? ksys_dup3+0x2e0/0x2e0 [ 142.952694][ T8814] ? p9_fd_poll+0x19b/0x2a0 [ 142.957190][ T8814] ? p9_conn_create+0x3a5/0x4f0 [ 142.962025][ T8814] ? p9_conn_create+0x4f0/0x4f0 [ 142.966866][ T8814] p9_client_create+0x7fb/0x10f0 [ 142.971803][ T8814] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 142.977866][ T8814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.983404][ T8814] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.989458][ T8814] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.995273][ T8814] ? lockdep_init_map_waits+0x270/0x870 [ 143.000833][ T8814] v9fs_session_init+0x1ed/0x14c0 [ 143.005892][ T8814] ? v9fs_session_init+0x1ed/0x14c0 [ 143.011100][ T8814] ? find_held_lock+0x36/0x1d0 [ 143.015875][ T8814] ? v9fs_show_options+0x6c0/0x6c0 [ 143.020987][ T8814] ? __kasan_check_read+0x11/0x20 [ 143.026010][ T8814] ? v9fs_mount+0x55/0x7f0 [ 143.030425][ T8814] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.035972][ T8814] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.042032][ T8814] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.047865][ T8814] ? kmem_cache_alloc_trace+0x39e/0x780 [ 143.053412][ T8814] ? apparmor_task_alloc+0x2f0/0x2f0 [ 143.058685][ T8814] v9fs_mount+0x72/0x7f0 [ 143.062918][ T8814] ? v9fs_write_inode+0x50/0x50 [ 143.067761][ T8814] legacy_get_tree+0x103/0x1f0 [ 143.071778][ T8830] FAULT_INJECTION: forcing a failure. [ 143.071778][ T8830] name failslab, interval 1, probability 0, space 0, times 0 [ 143.072518][ T8814] vfs_get_tree+0x8b/0x2d0 [ 143.089472][ T8814] ? capable+0x14/0x20 [ 143.093514][ T8814] do_mount+0x1272/0x1c30 [ 143.097816][ T8814] ? lock_downgrade+0x960/0x960 [ 143.102816][ T8814] ? copy_mount_string+0x20/0x20 [ 143.107745][ T8814] ? __kasan_check_write+0x14/0x20 [ 143.112832][ T8814] ? _copy_from_user+0xc5/0x110 [ 143.117667][ T8814] __x64_sys_mount+0x169/0x1c0 [ 143.122420][ T8814] do_syscall_64+0xd0/0x630 [ 143.126900][ T8814] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 143.132791][ T8814] RIP: 0033:0x458da9 [ 143.136658][ T8814] 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 [ 143.156236][ T8814] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.164704][ T8814] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 143.172658][ T8814] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 143.180780][ T8814] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 143.188724][ T8814] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 143.196840][ T8814] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 143.204801][ T8830] CPU: 0 PID: 8830 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 143.213372][ T8830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.221829][ T8834] FAULT_INJECTION: forcing a failure. [ 143.221829][ T8834] name failslab, interval 1, probability 0, space 0, times 0 [ 143.223416][ T8830] Call Trace: [ 143.239294][ T8830] dump_stack+0x12d/0x187 [ 143.243605][ T8830] should_fail.cold.4+0x5/0x13 [ 143.248339][ T8830] ? stack_trace_save+0x82/0xb0 [ 143.253162][ T8830] ? fault_create_debugfs_attr+0x150/0x150 [ 143.258944][ T8830] __should_failslab+0xba/0xf0 [ 143.263681][ T8830] should_failslab+0x9/0x14 [ 143.268163][ T8830] kmem_cache_alloc+0x47/0x760 [ 143.272897][ T8830] ? __kasan_check_read+0x11/0x20 [ 143.277895][ T8830] ? mark_lock+0xbf/0x630 [ 143.282201][ T8830] ? legacy_get_tree+0x103/0x1f0 [ 143.287114][ T8830] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 143.293497][ T8830] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 143.298925][ T8830] idr_get_free+0x35d/0x880 [ 143.303510][ T8830] ? mark_held_locks+0x130/0x130 [ 143.308419][ T8830] idr_alloc_u32+0x13a/0x330 [ 143.312981][ T8830] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 143.318497][ T8830] ? lock_acquire+0x209/0x9e0 [ 143.323256][ T8830] ? __kasan_check_write+0x14/0x20 [ 143.328343][ T8830] ? do_raw_spin_lock+0x132/0x2e0 [ 143.333340][ T8830] idr_alloc+0x7d/0xc0 [ 143.337378][ T8830] ? idr_alloc_u32+0x330/0x330 [ 143.342117][ T8830] p9_client_prepare_req.part.5+0x571/0x670 [ 143.347986][ T8830] p9_client_rpc+0x174/0xe50 [ 143.352552][ T8830] ? p9_client_prepare_req.part.5+0x670/0x670 [ 143.358587][ T8830] ? p9_pollwait+0x182/0x210 [ 143.363174][ T8830] ? pipe_poll+0xc8/0x6b0 [ 143.367483][ T8830] ? ksys_dup3+0x2e0/0x2e0 [ 143.371870][ T8830] ? p9_fd_poll+0x19b/0x2a0 [ 143.376342][ T8830] ? p9_conn_create+0x3a5/0x4f0 [ 143.381174][ T8830] ? p9_conn_create+0x4f0/0x4f0 [ 143.386012][ T8830] p9_client_create+0x7fb/0x10f0 [ 143.390937][ T8830] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 143.396993][ T8830] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.402523][ T8830] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.408567][ T8830] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.414358][ T8830] ? lockdep_init_map_waits+0x270/0x870 [ 143.419882][ T8830] v9fs_session_init+0x1ed/0x14c0 [ 143.424880][ T8830] ? v9fs_session_init+0x1ed/0x14c0 [ 143.430050][ T8830] ? find_held_lock+0x36/0x1d0 [ 143.434796][ T8830] ? v9fs_show_options+0x6c0/0x6c0 [ 143.439875][ T8830] ? __kasan_check_read+0x11/0x20 [ 143.444872][ T8830] ? v9fs_mount+0x55/0x7f0 [ 143.449260][ T8830] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.454779][ T8830] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.460834][ T8830] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.466627][ T8830] ? kmem_cache_alloc_trace+0x39e/0x780 [ 143.472149][ T8830] ? apparmor_task_alloc+0x2f0/0x2f0 [ 143.477410][ T8830] v9fs_mount+0x72/0x7f0 [ 143.481633][ T8830] ? v9fs_write_inode+0x50/0x50 [ 143.486456][ T8830] legacy_get_tree+0x103/0x1f0 [ 143.491195][ T8830] vfs_get_tree+0x8b/0x2d0 [ 143.495581][ T8830] ? capable+0x14/0x20 [ 143.499626][ T8830] do_mount+0x1272/0x1c30 [ 143.503924][ T8830] ? lock_downgrade+0x960/0x960 [ 143.508748][ T8830] ? copy_mount_string+0x20/0x20 [ 143.513663][ T8830] ? __kasan_check_write+0x14/0x20 [ 143.518748][ T8830] ? _copy_from_user+0xc5/0x110 [ 143.523577][ T8830] __x64_sys_mount+0x169/0x1c0 [ 143.528325][ T8830] do_syscall_64+0xd0/0x630 [ 143.533934][ T8830] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 143.539811][ T8830] RIP: 0033:0x458da9 [ 143.543697][ T8830] 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 [ 143.563295][ T8830] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.571700][ T8830] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 143.579645][ T8830] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 143.587591][ T8830] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 143.595533][ T8830] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 143.603482][ T8830] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 143.611965][ T8834] CPU: 1 PID: 8834 Comm: syz-executor.4 Not tainted 5.7.0-rc2-syzkaller #0 [ 143.620537][ T8834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.630674][ T8834] Call Trace: [ 143.633952][ T8834] dump_stack+0x12d/0x187 [ 143.638278][ T8834] should_fail.cold.4+0x5/0x13 [ 143.643035][ T8834] ? stack_trace_save+0x82/0xb0 [ 143.647879][ T8834] ? fault_create_debugfs_attr+0x150/0x150 [ 143.653692][ T8834] __should_failslab+0xba/0xf0 [ 143.658448][ T8834] should_failslab+0x9/0x14 [ 143.662943][ T8834] kmem_cache_alloc+0x47/0x760 [ 143.667693][ T8834] ? __kasan_check_read+0x11/0x20 [ 143.672708][ T8834] ? mark_lock+0xbf/0x630 [ 143.677025][ T8834] ? legacy_get_tree+0x103/0x1f0 [ 143.681954][ T8834] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 143.688359][ T8834] idr_get_free+0x35d/0x880 [ 143.692858][ T8834] ? mark_held_locks+0x130/0x130 [ 143.693839][ T27] audit: type=1804 audit(1587461140.333:30): pid=8826 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.5" name="/root/syzkaller-testdir441039482/syzkaller.BmqxLb/36/file0" dev="sda1" ino=16028 res=1 [ 143.697781][ T8834] idr_alloc_u32+0x13a/0x330 [ 143.697793][ T8834] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 143.697805][ T8834] ? lock_acquire+0x209/0x9e0 [ 143.697817][ T8834] ? __kasan_check_write+0x14/0x20 [ 143.697823][ T8834] ? do_raw_spin_lock+0x132/0x2e0 [ 143.697833][ T8834] idr_alloc+0x7d/0xc0 [ 143.697839][ T8834] ? idr_alloc_u32+0x330/0x330 [ 143.697853][ T8834] p9_client_prepare_req.part.5+0x571/0x670 [ 143.733349][ T8832] FAULT_INJECTION: forcing a failure. [ 143.733349][ T8832] name failslab, interval 1, probability 0, space 0, times 0 [ 143.735567][ T8834] p9_client_rpc+0x174/0xe50 [ 143.777359][ T8834] ? p9_client_prepare_req.part.5+0x670/0x670 [ 143.783398][ T8834] ? p9_pollwait+0x182/0x210 [ 143.787963][ T8834] ? pipe_poll+0xc8/0x6b0 [ 143.792261][ T8834] ? ksys_dup3+0x2e0/0x2e0 [ 143.796661][ T8834] ? p9_fd_poll+0x19b/0x2a0 [ 143.801152][ T8834] ? p9_conn_create+0x3a5/0x4f0 [ 143.805974][ T8834] ? p9_conn_create+0x4f0/0x4f0 [ 143.810813][ T8834] p9_client_create+0x7fb/0x10f0 [ 143.815726][ T8834] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 143.821764][ T8834] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.827280][ T8834] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.833324][ T8834] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.839106][ T8834] ? lockdep_init_map_waits+0x270/0x870 [ 143.844631][ T8834] v9fs_session_init+0x1ed/0x14c0 [ 143.849626][ T8834] ? v9fs_session_init+0x1ed/0x14c0 [ 143.854803][ T8834] ? find_held_lock+0x36/0x1d0 [ 143.859543][ T8834] ? v9fs_show_options+0x6c0/0x6c0 [ 143.864640][ T8834] ? __kasan_check_read+0x11/0x20 [ 143.869636][ T8834] ? v9fs_mount+0x55/0x7f0 [ 143.874022][ T8834] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.879535][ T8834] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.885576][ T8834] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.891354][ T8834] ? kmem_cache_alloc_trace+0x39e/0x780 [ 143.896893][ T8834] ? apparmor_task_alloc+0x2f0/0x2f0 [ 143.902161][ T8834] v9fs_mount+0x72/0x7f0 [ 143.906375][ T8834] ? v9fs_write_inode+0x50/0x50 [ 143.911204][ T8834] legacy_get_tree+0x103/0x1f0 [ 143.915943][ T8834] vfs_get_tree+0x8b/0x2d0 [ 143.920329][ T8834] ? capable+0x14/0x20 [ 143.924377][ T8834] do_mount+0x1272/0x1c30 [ 143.928771][ T8834] ? lock_downgrade+0x960/0x960 [ 143.933608][ T8834] ? copy_mount_string+0x20/0x20 [ 143.938527][ T8834] ? __kasan_check_write+0x14/0x20 [ 143.943611][ T8834] ? _copy_from_user+0xc5/0x110 [ 143.948440][ T8834] __x64_sys_mount+0x169/0x1c0 [ 143.953177][ T8834] do_syscall_64+0xd0/0x630 [ 143.957653][ T8834] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 143.963514][ T8834] RIP: 0033:0x458da9 [ 143.967378][ T8834] 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 [ 143.986954][ T8834] RSP: 002b:00007f5bc4201c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.996479][ T8834] RAX: ffffffffffffffda RBX: 00007f5bc4201c90 RCX: 0000000000458da9 [ 144.004423][ T8834] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 144.012453][ T8834] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 144.020396][ T8834] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5bc42026d4 [ 144.028339][ T8834] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 144.036298][ T8832] CPU: 0 PID: 8832 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 144.037196][ T8829] 9pnet: Insufficient options for proto=fd [ 144.044892][ T8832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.044896][ T8832] Call Trace: [ 144.044908][ T8832] dump_stack+0x12d/0x187 [ 144.044921][ T8832] should_fail.cold.4+0x5/0x13 [ 144.044931][ T8832] ? fault_create_debugfs_attr+0x150/0x150 [ 144.079034][ T8833] FAULT_INJECTION: forcing a failure. [ 144.079034][ T8833] name failslab, interval 1, probability 0, space 0, times 0 [ 144.079898][ T8832] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.099608][ T8832] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.105147][ T8832] __should_failslab+0xba/0xf0 [ 144.109902][ T8832] should_failslab+0x9/0x14 [ 144.114377][ T8832] kmem_cache_alloc+0x47/0x760 [ 144.119109][ T8832] ? __kasan_check_read+0x11/0x20 [ 144.124107][ T8832] ? mark_lock+0xbf/0x630 [ 144.128415][ T8832] ? legacy_get_tree+0x103/0x1f0 [ 144.133335][ T8832] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.139727][ T8832] idr_get_free+0x35d/0x880 [ 144.144209][ T8832] idr_alloc_u32+0x13a/0x330 [ 144.148773][ T8832] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 144.154290][ T8832] ? lock_acquire+0x209/0x9e0 [ 144.158951][ T8832] ? __kasan_check_write+0x14/0x20 [ 144.164043][ T8832] ? do_raw_spin_lock+0x132/0x2e0 [ 144.169040][ T8832] idr_alloc+0x7d/0xc0 [ 144.173079][ T8832] ? idr_alloc_u32+0x330/0x330 [ 144.177831][ T8832] p9_client_prepare_req.part.5+0x571/0x670 [ 144.183708][ T8832] p9_client_rpc+0x174/0xe50 [ 144.188273][ T8832] ? p9_client_prepare_req.part.5+0x670/0x670 [ 144.194310][ T8832] ? p9_pollwait+0x182/0x210 [ 144.198881][ T8832] ? pipe_poll+0xc8/0x6b0 [ 144.203206][ T8832] ? ksys_dup3+0x2e0/0x2e0 [ 144.207726][ T8832] ? p9_fd_poll+0x19b/0x2a0 [ 144.212206][ T8832] ? p9_conn_create+0x3a5/0x4f0 [ 144.217030][ T8832] ? p9_conn_create+0x4f0/0x4f0 [ 144.221869][ T8832] p9_client_create+0x7fb/0x10f0 [ 144.226799][ T8832] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 144.232836][ T8832] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.238446][ T8832] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.244481][ T8832] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.250265][ T8832] ? lockdep_init_map_waits+0x270/0x870 [ 144.255804][ T8832] v9fs_session_init+0x1ed/0x14c0 [ 144.260807][ T8832] ? v9fs_session_init+0x1ed/0x14c0 [ 144.265983][ T8832] ? find_held_lock+0x36/0x1d0 [ 144.270724][ T8832] ? v9fs_show_options+0x6c0/0x6c0 [ 144.275807][ T8832] ? __kasan_check_read+0x11/0x20 [ 144.280902][ T8832] ? v9fs_mount+0x55/0x7f0 [ 144.285288][ T8832] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.290802][ T8832] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.296835][ T8832] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.302626][ T8832] ? kmem_cache_alloc_trace+0x39e/0x780 [ 144.308142][ T8832] ? apparmor_task_alloc+0x2f0/0x2f0 [ 144.313398][ T8832] v9fs_mount+0x72/0x7f0 [ 144.317612][ T8832] ? v9fs_write_inode+0x50/0x50 [ 144.322445][ T8832] legacy_get_tree+0x103/0x1f0 [ 144.328230][ T8832] vfs_get_tree+0x8b/0x2d0 [ 144.332628][ T8832] ? capable+0x14/0x20 [ 144.336673][ T8832] do_mount+0x1272/0x1c30 [ 144.340975][ T8832] ? lock_downgrade+0x960/0x960 [ 144.345800][ T8832] ? copy_mount_string+0x20/0x20 [ 144.350716][ T8832] ? __kasan_check_write+0x14/0x20 [ 144.355796][ T8832] ? _copy_from_user+0xc5/0x110 [ 144.360632][ T8832] __x64_sys_mount+0x169/0x1c0 [ 144.365370][ T8832] do_syscall_64+0xd0/0x630 [ 144.369859][ T8832] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 144.375737][ T8832] RIP: 0033:0x458da9 [ 144.379615][ T8832] 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 [ 144.399208][ T8832] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.407609][ T8832] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 144.415559][ T8832] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 144.423524][ T8832] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 144.431469][ T8832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 144.439429][ T8832] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 144.447408][ T8833] CPU: 1 PID: 8833 Comm: syz-executor.2 Not tainted 5.7.0-rc2-syzkaller #0 [ 144.456067][ T8833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.466202][ T8833] Call Trace: [ 144.469506][ T8833] dump_stack+0x12d/0x187 [ 144.473843][ T8833] should_fail.cold.4+0x5/0x13 [ 144.478703][ T8833] ? fault_create_debugfs_attr+0x150/0x150 [ 144.484510][ T8833] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.491094][ T8833] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.496631][ T8833] __should_failslab+0xba/0xf0 [ 144.501384][ T8833] should_failslab+0x9/0x14 [ 144.505878][ T8833] kmem_cache_alloc+0x47/0x760 [ 144.510631][ T8833] ? __kasan_check_read+0x11/0x20 [ 144.515642][ T8833] ? mark_lock+0xbf/0x630 [ 144.519958][ T8833] ? legacy_get_tree+0x103/0x1f0 [ 144.524889][ T8833] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.531301][ T8833] idr_get_free+0x35d/0x880 [ 144.535810][ T8833] idr_alloc_u32+0x13a/0x330 [ 144.540396][ T8833] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 144.545933][ T8833] ? lock_acquire+0x209/0x9e0 [ 144.550603][ T8833] ? __kasan_check_write+0x14/0x20 [ 144.555701][ T8833] ? do_raw_spin_lock+0x132/0x2e0 [ 144.560853][ T8833] idr_alloc+0x7d/0xc0 [ 144.564925][ T8833] ? idr_alloc_u32+0x330/0x330 [ 144.569689][ T8833] p9_client_prepare_req.part.5+0x571/0x670 [ 144.575583][ T8833] p9_client_rpc+0x174/0xe50 [ 144.580168][ T8833] ? p9_client_prepare_req.part.5+0x670/0x670 [ 144.586225][ T8833] ? p9_pollwait+0x182/0x210 [ 144.592460][ T8833] ? pipe_poll+0xc8/0x6b0 [ 144.596770][ T8833] ? ksys_dup3+0x2e0/0x2e0 [ 144.601174][ T8833] ? p9_fd_poll+0x19b/0x2a0 [ 144.605675][ T8833] ? p9_conn_create+0x3a5/0x4f0 [ 144.610614][ T8833] ? p9_conn_create+0x4f0/0x4f0 [ 144.615463][ T8833] p9_client_create+0x7fb/0x10f0 [ 144.620401][ T8833] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 144.626459][ T8833] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.627510][ T8851] FAULT_INJECTION: forcing a failure. [ 144.627510][ T8851] name failslab, interval 1, probability 0, space 0, times 0 [ 144.632076][ T8833] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.650661][ T8833] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.656449][ T8833] ? lockdep_init_map_waits+0x270/0x870 [ 144.662062][ T8833] v9fs_session_init+0x1ed/0x14c0 [ 144.667068][ T8833] ? v9fs_session_init+0x1ed/0x14c0 [ 144.672249][ T8833] ? find_held_lock+0x36/0x1d0 [ 144.676997][ T8833] ? v9fs_show_options+0x6c0/0x6c0 [ 144.682090][ T8833] ? __kasan_check_read+0x11/0x20 [ 144.687097][ T8833] ? make_bfloat+0x180/0x680 [ 144.691667][ T8833] ? v9fs_mount+0x55/0x7f0 [ 144.696058][ T8833] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.701571][ T8833] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.707630][ T8833] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.713410][ T8833] ? kmem_cache_alloc_trace+0x39e/0x780 [ 144.718936][ T8833] ? apparmor_task_alloc+0x2f0/0x2f0 [ 144.724194][ T8833] v9fs_mount+0x72/0x7f0 [ 144.728411][ T8833] ? v9fs_write_inode+0x50/0x50 [ 144.733239][ T8833] legacy_get_tree+0x103/0x1f0 [ 144.737997][ T8833] vfs_get_tree+0x8b/0x2d0 [ 144.742384][ T8833] ? capable+0x14/0x20 [ 144.746436][ T8833] do_mount+0x1272/0x1c30 [ 144.750744][ T8833] ? lock_downgrade+0x960/0x960 [ 144.755566][ T8833] ? copy_mount_string+0x20/0x20 [ 144.760480][ T8833] ? __kasan_check_write+0x14/0x20 [ 144.765561][ T8833] ? _copy_from_user+0xc5/0x110 [ 144.770386][ T8833] __x64_sys_mount+0x169/0x1c0 [ 144.775123][ T8833] do_syscall_64+0xd0/0x630 [ 144.779598][ T8833] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 144.785482][ T8833] RIP: 0033:0x458da9 [ 144.789353][ T8833] 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 [ 144.809022][ T8833] RSP: 002b:00007fd776c55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.817406][ T8833] RAX: ffffffffffffffda RBX: 00007fd776c55c90 RCX: 0000000000458da9 [ 144.825360][ T8833] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 144.833322][ T8833] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 144.841367][ T8833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd776c566d4 [ 144.849308][ T8833] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 144.857272][ T8851] CPU: 0 PID: 8851 Comm: syz-executor.3 Not tainted 5.7.0-rc2-syzkaller #0 [ 144.865845][ T8851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.875888][ T8851] Call Trace: [ 144.879167][ T8851] dump_stack+0x12d/0x187 [ 144.883496][ T8851] should_fail.cold.4+0x5/0x13 [ 144.885864][ T8846] FAULT_INJECTION: forcing a failure. [ 144.885864][ T8846] name failslab, interval 1, probability 0, space 0, times 0 [ 144.893825][ T8851] ? fault_create_debugfs_attr+0x150/0x150 [ 144.912157][ T8851] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.918806][ T8851] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.924343][ T8851] __should_failslab+0xba/0xf0 [ 144.929083][ T8851] should_failslab+0x9/0x14 [ 144.933575][ T8851] kmem_cache_alloc+0x47/0x760 [ 144.939445][ T8851] ? __kasan_check_read+0x11/0x20 [ 144.944446][ T8851] ? mark_lock+0xbf/0x630 [ 144.948747][ T8851] ? legacy_get_tree+0x103/0x1f0 [ 144.953660][ T8851] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.960233][ T8851] idr_get_free+0x35d/0x880 [ 144.964734][ T8851] idr_alloc_u32+0x13a/0x330 [ 144.969313][ T8851] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 144.974842][ T8851] ? lock_acquire+0x209/0x9e0 [ 144.979492][ T8851] ? __kasan_check_write+0x14/0x20 [ 144.984596][ T8851] ? do_raw_spin_lock+0x132/0x2e0 [ 144.989593][ T8851] idr_alloc+0x7d/0xc0 [ 144.993643][ T8851] ? idr_alloc_u32+0x330/0x330 [ 144.998381][ T8851] p9_client_prepare_req.part.5+0x571/0x670 [ 145.004249][ T8851] p9_client_rpc+0x174/0xe50 [ 145.008915][ T8851] ? p9_client_prepare_req.part.5+0x670/0x670 [ 145.015149][ T8851] ? p9_pollwait+0x182/0x210 [ 145.019990][ T8851] ? pipe_poll+0xc8/0x6b0 [ 145.024928][ T8851] ? ksys_dup3+0x2e0/0x2e0 [ 145.030196][ T8851] ? p9_fd_poll+0x19b/0x2a0 [ 145.034675][ T8851] ? p9_conn_create+0x3a5/0x4f0 [ 145.039505][ T8851] ? p9_conn_create+0x4f0/0x4f0 [ 145.044340][ T8851] p9_client_create+0x7fb/0x10f0 [ 145.049273][ T8851] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 145.055326][ T8851] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.060846][ T8851] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.066883][ T8851] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.072672][ T8851] ? lockdep_init_map_waits+0x270/0x870 [ 145.078206][ T8851] v9fs_session_init+0x1ed/0x14c0 [ 145.083287][ T8851] ? v9fs_session_init+0x1ed/0x14c0 [ 145.088463][ T8851] ? find_held_lock+0x36/0x1d0 [ 145.093323][ T8851] ? v9fs_show_options+0x6c0/0x6c0 [ 145.098401][ T8851] ? __kasan_check_read+0x11/0x20 [ 145.103407][ T8851] ? v9fs_mount+0x55/0x7f0 [ 145.107796][ T8851] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.113313][ T8851] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.119436][ T8851] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.125216][ T8851] ? kmem_cache_alloc_trace+0x39e/0x780 [ 145.130742][ T8851] ? apparmor_task_alloc+0x2f0/0x2f0 [ 145.136011][ T8851] v9fs_mount+0x72/0x7f0 [ 145.140335][ T8851] ? v9fs_write_inode+0x50/0x50 [ 145.145165][ T8851] legacy_get_tree+0x103/0x1f0 [ 145.149906][ T8851] vfs_get_tree+0x8b/0x2d0 [ 145.154292][ T8851] ? capable+0x14/0x20 [ 145.158336][ T8851] do_mount+0x1272/0x1c30 [ 145.162635][ T8851] ? lock_downgrade+0x960/0x960 [ 145.167470][ T8851] ? copy_mount_string+0x20/0x20 [ 145.172384][ T8851] ? __kasan_check_write+0x14/0x20 [ 145.177554][ T8851] ? _copy_from_user+0xc5/0x110 [ 145.182378][ T8851] __x64_sys_mount+0x169/0x1c0 [ 145.187125][ T8851] do_syscall_64+0xd0/0x630 [ 145.191602][ T8851] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 145.197463][ T8851] RIP: 0033:0x458da9 [ 145.201329][ T8851] 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 [ 145.220913][ T8851] RSP: 002b:00007f95ee5e3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 145.229295][ T8851] RAX: ffffffffffffffda RBX: 00007f95ee5e3c90 RCX: 0000000000458da9 [ 145.237269][ T8851] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 145.245215][ T8851] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 145.253171][ T8851] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f95ee5e46d4 [ 145.261203][ T8851] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 145.269523][ T8846] CPU: 1 PID: 8846 Comm: syz-executor.0 Not tainted 5.7.0-rc2-syzkaller #0 [ 145.270559][ T27] audit: type=1804 audit(1587461141.263:31): pid=8846 uid=0 auid=0 ses=8 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir903884808/syzkaller.tguwh7/44/file0" dev="sda1" ino=16028 res=1 [ 145.278105][ T8846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.311040][ T8846] Call Trace: [ 145.314323][ T8846] dump_stack+0x12d/0x187 [ 145.318730][ T8846] should_fail.cold.4+0x5/0x13 [ 145.323485][ T8846] ? fault_create_debugfs_attr+0x150/0x150 [ 145.329286][ T8846] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 145.335863][ T8846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.341402][ T8846] __should_failslab+0xba/0xf0 [ 145.346158][ T8846] should_failslab+0x9/0x14 [ 145.351701][ T8846] kmem_cache_alloc+0x47/0x760 [ 145.356455][ T8846] ? __kasan_check_read+0x11/0x20 [ 145.361468][ T8846] ? mark_lock+0xbf/0x630 [ 145.365794][ T8846] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 145.372206][ T8846] idr_get_free+0x35d/0x880 [ 145.376723][ T8846] idr_alloc_u32+0x13a/0x330 [ 145.381306][ T8846] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 145.386843][ T8846] ? lock_acquire+0x209/0x9e0 [ 145.391517][ T8846] ? __kasan_check_write+0x14/0x20 [ 145.396624][ T8846] ? do_raw_spin_lock+0x132/0x2e0 [ 145.401650][ T8846] idr_alloc+0x7d/0xc0 [ 145.405720][ T8846] ? idr_alloc_u32+0x330/0x330 [ 145.410489][ T8846] p9_client_prepare_req.part.5+0x571/0x670 [ 145.416375][ T8846] p9_client_rpc+0x174/0xe50 [ 145.420961][ T8846] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 145.426765][ T8846] ? __debug_object_init+0x4fc/0x10f0 [ 145.432126][ T8846] ? __kasan_check_read+0x11/0x20 [ 145.437325][ T8846] ? p9_client_prepare_req.part.5+0x670/0x670 [ 145.443397][ T8846] ? free_object+0x70/0x70 [ 145.448071][ T8846] ? ksys_dup3+0x2e0/0x2e0 [ 145.452485][ T8846] ? lockdep_init_map_waits+0x270/0x870 [ 145.458021][ T8846] ? __kasan_check_write+0x14/0x20 [ 145.463118][ T8846] ? p9_conn_create+0x3ce/0x4f0 [ 145.467981][ T8846] ? p9_conn_create+0x4f0/0x4f0 [ 145.472859][ T8846] p9_client_create+0x7fb/0x10f0 [ 145.475431][ T8864] FAULT_INJECTION: forcing a failure. [ 145.475431][ T8864] name failslab, interval 1, probability 0, space 0, times 0 [ 145.477788][ T8846] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 145.496373][ T8846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.501888][ T8846] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.507921][ T8846] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.513709][ T8846] ? lockdep_init_map_waits+0x270/0x870 [ 145.519231][ T8846] v9fs_session_init+0x1ed/0x14c0 [ 145.524233][ T8846] ? v9fs_session_init+0x1ed/0x14c0 [ 145.529411][ T8846] ? find_held_lock+0x36/0x1d0 [ 145.534159][ T8846] ? v9fs_show_options+0x6c0/0x6c0 [ 145.539451][ T8846] ? __kasan_check_read+0x11/0x20 [ 145.544642][ T8846] ? v9fs_mount+0x55/0x7f0 [ 145.549040][ T8846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.554648][ T8846] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.560789][ T8846] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.566597][ T8846] ? kmem_cache_alloc_trace+0x39e/0x780 [ 145.572126][ T8846] ? apparmor_task_alloc+0x2f0/0x2f0 [ 145.577390][ T8846] v9fs_mount+0x72/0x7f0 [ 145.581608][ T8846] ? v9fs_write_inode+0x50/0x50 [ 145.586435][ T8846] legacy_get_tree+0x103/0x1f0 [ 145.591190][ T8846] vfs_get_tree+0x8b/0x2d0 [ 145.595578][ T8846] ? capable+0x14/0x20 [ 145.599621][ T8846] do_mount+0x1272/0x1c30 [ 145.603922][ T8846] ? lock_downgrade+0x960/0x960 [ 145.608745][ T8846] ? copy_mount_string+0x20/0x20 [ 145.613659][ T8846] ? __kasan_check_write+0x14/0x20 [ 145.618750][ T8846] ? _copy_from_user+0xc5/0x110 [ 145.623575][ T8846] __x64_sys_mount+0x169/0x1c0 [ 145.628313][ T8846] do_syscall_64+0xd0/0x630 [ 145.632801][ T8846] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 145.638673][ T8846] RIP: 0033:0x458da9 [ 145.642539][ T8846] 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 [ 145.662117][ T8846] RSP: 002b:00007fb943e55c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 145.670497][ T8846] RAX: ffffffffffffffda RBX: 00007fb943e55c90 RCX: 0000000000458da9 [ 145.678439][ T8846] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 145.686393][ T8846] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 145.694349][ T8846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb943e566d4 [ 145.702289][ T8846] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 145.710255][ T8864] CPU: 0 PID: 8864 Comm: syz-executor.1 Not tainted 5.7.0-rc2-syzkaller #0 [ 145.718836][ T8864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.728893][ T8864] Call Trace: [ 145.730306][ T8853] FAULT_INJECTION: forcing a failure. [ 145.730306][ T8853] name failslab, interval 1, probability 0, space 0, times 0 [ 145.732173][ T8864] dump_stack+0x12d/0x187 [ 145.749046][ T8864] should_fail.cold.4+0x5/0x13 [ 145.753781][ T8864] ? stack_trace_save+0x82/0xb0 [ 145.758609][ T8864] ? fault_create_debugfs_attr+0x150/0x150 [ 145.764395][ T8864] __should_failslab+0xba/0xf0 [ 145.769130][ T8864] should_failslab+0x9/0x14 [ 145.773617][ T8864] kmem_cache_alloc+0x47/0x760 [ 145.778436][ T8864] ? __kasan_check_read+0x11/0x20 [ 145.783432][ T8864] ? mark_lock+0xbf/0x630 [ 145.787732][ T8864] ? legacy_get_tree+0x103/0x1f0 [ 145.792658][ T8864] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 145.799222][ T8864] idr_get_free+0x35d/0x880 [ 145.803809][ T8864] ? mark_held_locks+0x130/0x130 [ 145.808742][ T8864] idr_alloc_u32+0x13a/0x330 [ 145.813406][ T8864] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 145.818931][ T8864] ? lock_acquire+0x209/0x9e0 [ 145.823588][ T8864] ? __kasan_check_write+0x14/0x20 [ 145.828676][ T8864] ? do_raw_spin_lock+0x132/0x2e0 [ 145.833687][ T8864] idr_alloc+0x7d/0xc0 [ 145.837728][ T8864] ? idr_alloc_u32+0x330/0x330 [ 145.842495][ T8864] p9_client_prepare_req.part.5+0x571/0x670 [ 145.848388][ T8864] p9_client_rpc+0x174/0xe50 [ 145.852960][ T8864] ? p9_client_prepare_req.part.5+0x670/0x670 [ 145.860077][ T8864] ? p9_pollwait+0x182/0x210 [ 145.864745][ T8864] ? pipe_poll+0xc8/0x6b0 [ 145.869050][ T8864] ? ksys_dup3+0x2e0/0x2e0 [ 145.873527][ T8864] ? p9_fd_poll+0x19b/0x2a0 [ 145.878019][ T8864] ? p9_conn_create+0x3a5/0x4f0 [ 145.882854][ T8864] ? p9_conn_create+0x4f0/0x4f0 [ 145.887689][ T8864] p9_client_create+0x7fb/0x10f0 [ 145.892608][ T8864] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 145.898645][ T8864] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.904161][ T8864] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.910195][ T8864] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.915979][ T8864] ? lockdep_init_map_waits+0x270/0x870 [ 145.921502][ T8864] v9fs_session_init+0x1ed/0x14c0 [ 145.926502][ T8864] ? v9fs_session_init+0x1ed/0x14c0 [ 145.932715][ T8864] ? find_held_lock+0x36/0x1d0 [ 145.937461][ T8864] ? v9fs_show_options+0x6c0/0x6c0 [ 145.942560][ T8864] ? __kasan_check_read+0x11/0x20 [ 145.947581][ T8864] ? v9fs_mount+0x55/0x7f0 [ 145.951990][ T8864] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.957521][ T8864] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.963679][ T8864] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.969462][ T8864] ? kmem_cache_alloc_trace+0x39e/0x780 [ 145.975240][ T8864] ? apparmor_task_alloc+0x2f0/0x2f0 [ 145.980512][ T8864] v9fs_mount+0x72/0x7f0 [ 145.985028][ T8864] ? v9fs_write_inode+0x50/0x50 [ 145.990127][ T8864] legacy_get_tree+0x103/0x1f0 [ 145.994883][ T8864] vfs_get_tree+0x8b/0x2d0 [ 145.999310][ T8864] ? capable+0x14/0x20 [ 146.003466][ T8864] do_mount+0x1272/0x1c30 [ 146.007887][ T8864] ? lock_downgrade+0x960/0x960 [ 146.012737][ T8864] ? copy_mount_string+0x20/0x20 [ 146.017660][ T8864] ? __kasan_check_write+0x14/0x20 [ 146.022745][ T8864] ? _copy_from_user+0xc5/0x110 [ 146.027576][ T8864] __x64_sys_mount+0x169/0x1c0 [ 146.032409][ T8864] do_syscall_64+0xd0/0x630 [ 146.036888][ T8864] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 146.042749][ T8864] RIP: 0033:0x458da9 [ 146.046619][ T8864] 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 [ 146.066305][ T8864] RSP: 002b:00007f41f960fc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 146.075475][ T8864] RAX: ffffffffffffffda RBX: 00007f41f960fc90 RCX: 0000000000458da9 [ 146.083431][ T8864] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 146.091393][ T8864] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 146.099337][ T8864] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f41f96106d4 [ 146.107281][ T8864] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 146.115505][ T8853] CPU: 1 PID: 8853 Comm: syz-executor.5 Not tainted 5.7.0-rc2-syzkaller #0 [ 146.124260][ T8853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.134833][ T8853] Call Trace: [ 146.138114][ T8853] dump_stack+0x12d/0x187 [ 146.142469][ T8853] should_fail.cold.4+0x5/0x13 [ 146.147322][ T8853] ? fault_create_debugfs_attr+0x150/0x150 [ 146.153133][ T8853] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 146.159718][ T8853] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.165262][ T8853] __should_failslab+0xba/0xf0 [ 146.170037][ T8853] should_failslab+0x9/0x14 [ 146.174542][ T8853] kmem_cache_alloc+0x47/0x760 [ 146.179390][ T8853] ? __kasan_check_read+0x11/0x20 [ 146.184521][ T8853] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 146.191028][ T8853] idr_get_free+0x35d/0x880 [ 146.195538][ T8853] idr_alloc_u32+0x13a/0x330 [ 146.200241][ T8853] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 146.205777][ T8853] ? lock_acquire+0x209/0x9e0 [ 146.210452][ T8853] ? __kasan_check_write+0x14/0x20 [ 146.215555][ T8853] ? do_raw_spin_lock+0x132/0x2e0 [ 146.220683][ T8853] idr_alloc+0x7d/0xc0 [ 146.224751][ T8853] ? idr_alloc_u32+0x330/0x330 [ 146.229522][ T8853] p9_client_prepare_req.part.5+0x571/0x670 [ 146.235428][ T8853] p9_client_rpc+0x174/0xe50 [ 146.240279][ T8853] ? p9_client_prepare_req.part.5+0x670/0x670 [ 146.246437][ T8853] ? p9_pollwait+0x182/0x210 [ 146.251027][ T8853] ? pipe_poll+0xc8/0x6b0 [ 146.255351][ T8853] ? ksys_dup3+0x2e0/0x2e0 [ 146.259767][ T8853] ? p9_fd_poll+0x19b/0x2a0 [ 146.264262][ T8853] ? p9_conn_create+0x3a5/0x4f0 [ 146.266441][ T8875] FAULT_INJECTION: forcing a failure. [ 146.266441][ T8875] name failslab, interval 1, probability 0, space 0, times 0 [ 146.269125][ T8853] ? p9_conn_create+0x4f0/0x4f0 [ 146.286511][ T8853] p9_client_create+0x7fb/0x10f0 [ 146.291425][ T8853] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 146.297460][ T8853] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.302986][ T8853] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 146.309033][ T8853] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 146.314824][ T8853] ? lockdep_init_map_waits+0x270/0x870 [ 146.320350][ T8853] v9fs_session_init+0x1ed/0x14c0 [ 146.325441][ T8853] ? v9fs_session_init+0x1ed/0x14c0 [ 146.330616][ T8853] ? find_held_lock+0x36/0x1d0 [ 146.335364][ T8853] ? v9fs_show_options+0x6c0/0x6c0 [ 146.340461][ T8853] ? __kasan_check_read+0x11/0x20 [ 146.347034][ T8853] ? v9fs_mount+0x55/0x7f0 [ 146.351426][ T8853] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.356961][ T8853] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 146.362996][ T8853] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 146.368793][ T8853] ? kmem_cache_alloc_trace+0x39e/0x780 [ 146.374322][ T8853] ? apparmor_task_alloc+0x2f0/0x2f0 [ 146.379582][ T8853] v9fs_mount+0x72/0x7f0 [ 146.383800][ T8853] ? v9fs_write_inode+0x50/0x50 [ 146.388621][ T8853] legacy_get_tree+0x103/0x1f0 [ 146.393356][ T8853] vfs_get_tree+0x8b/0x2d0 [ 146.397758][ T8853] ? capable+0x14/0x20 [ 146.401813][ T8853] do_mount+0x1272/0x1c30 [ 146.406120][ T8853] ? lock_downgrade+0x960/0x960 [ 146.410950][ T8853] ? copy_mount_string+0x20/0x20 [ 146.415874][ T8853] ? __kasan_check_write+0x14/0x20 [ 146.420960][ T8853] ? _copy_from_user+0xc5/0x110 [ 146.425798][ T8853] __x64_sys_mount+0x169/0x1c0 [ 146.430555][ T8853] do_syscall_64+0xd0/0x630 [ 146.435042][ T8853] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 146.441003][ T8853] RIP: 0033:0x458da9 [ 146.444870][ T8853] 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 8