[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 40.304103][ T7157] IPVS: ftp: loaded support on port[0] = 21 [ 40.633474][ T1059] tipc: TX() has been purged, node left! [ 40.800614][ T7150] can: request_module (can-proto-0) failed. [ 43.557240][ T7150] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.0.242' (ECDSA) to the list of known hosts. 2019/12/18 21:48:25 parsed 1 programs 2019/12/18 21:48:25 executed programs: 0 [ 51.890573][ T7235] IPVS: ftp: loaded support on port[0] = 21 [ 51.891172][ T7238] IPVS: ftp: loaded support on port[0] = 21 [ 51.911807][ T7236] IPVS: ftp: loaded support on port[0] = 21 [ 51.930195][ T7242] IPVS: ftp: loaded support on port[0] = 21 [ 51.937090][ T7233] IPVS: ftp: loaded support on port[0] = 21 [ 51.937932][ T7240] IPVS: ftp: loaded support on port[0] = 21 [ 52.142158][ T7240] chnl_net:caif_netlink_parms(): no params data found [ 52.197677][ T7236] chnl_net:caif_netlink_parms(): no params data found [ 52.212427][ T7240] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.220131][ T7240] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.228122][ T7240] device bridge_slave_0 entered promiscuous mode [ 52.280903][ T7240] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.288209][ T7240] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.296142][ T7240] device bridge_slave_1 entered promiscuous mode [ 52.308103][ T7235] chnl_net:caif_netlink_parms(): no params data found [ 52.327279][ T7238] chnl_net:caif_netlink_parms(): no params data found [ 52.339946][ T7242] chnl_net:caif_netlink_parms(): no params data found [ 52.356308][ T7233] chnl_net:caif_netlink_parms(): no params data found [ 52.397986][ T7240] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.409121][ T7240] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.445801][ T7240] team0: Port device team_slave_0 added [ 52.455345][ T7235] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.462382][ T7235] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.472611][ T7235] device bridge_slave_0 entered promiscuous mode [ 52.487481][ T7240] team0: Port device team_slave_1 added [ 52.493190][ T7236] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.500439][ T7236] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.510776][ T7236] device bridge_slave_0 entered promiscuous mode [ 52.529248][ T7235] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.539655][ T7235] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.547264][ T7235] device bridge_slave_1 entered promiscuous mode [ 52.597492][ T7240] device hsr_slave_0 entered promiscuous mode [ 52.643744][ T7240] device hsr_slave_1 entered promiscuous mode [ 52.683759][ T7236] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.690828][ T7236] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.699289][ T7236] device bridge_slave_1 entered promiscuous mode [ 52.715327][ T7242] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.722381][ T7242] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.730074][ T7242] device bridge_slave_0 entered promiscuous mode [ 52.741094][ T7242] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.748256][ T7242] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.755851][ T7242] device bridge_slave_1 entered promiscuous mode [ 52.772900][ T7240] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.780050][ T7240] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.787754][ T7240] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.794846][ T7240] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.804122][ T7238] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.811160][ T7238] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.821531][ T7238] device bridge_slave_0 entered promiscuous mode [ 52.832824][ T7238] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.840058][ T7238] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.847649][ T7238] device bridge_slave_1 entered promiscuous mode [ 52.862990][ T7233] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.871510][ T7233] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.880238][ T7233] device bridge_slave_0 entered promiscuous mode [ 52.892373][ T7233] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.899514][ T7233] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.907260][ T7233] device bridge_slave_1 entered promiscuous mode [ 52.922368][ T7236] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.948049][ T7235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.961867][ T7233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.973103][ T7236] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.983687][ T7242] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.994073][ T7238] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 53.014891][ T7236] team0: Port device team_slave_0 added [ 53.021713][ T7235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.034605][ T7233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.044880][ T7242] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.060498][ T7238] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 53.070587][ T7236] team0: Port device team_slave_1 added [ 53.092257][ T7233] team0: Port device team_slave_0 added [ 53.101579][ T7233] team0: Port device team_slave_1 added [ 53.122146][ T7238] team0: Port device team_slave_0 added [ 53.130349][ T7242] team0: Port device team_slave_0 added [ 53.137935][ T7242] team0: Port device team_slave_1 added [ 53.217365][ T7233] device hsr_slave_0 entered promiscuous mode [ 53.283661][ T7233] device hsr_slave_1 entered promiscuous mode [ 53.333932][ T7233] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.343262][ T7235] team0: Port device team_slave_0 added [ 53.349868][ T7238] team0: Port device team_slave_1 added [ 53.416066][ T7242] device hsr_slave_0 entered promiscuous mode [ 53.443723][ T7242] device hsr_slave_1 entered promiscuous mode [ 53.503581][ T7242] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.511961][ T7245] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.530395][ T7245] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.549410][ T7235] team0: Port device team_slave_1 added [ 53.616152][ T7236] device hsr_slave_0 entered promiscuous mode [ 53.673827][ T7236] device hsr_slave_1 entered promiscuous mode [ 53.743454][ T7236] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.807379][ T7238] device hsr_slave_0 entered promiscuous mode [ 53.853794][ T7238] device hsr_slave_1 entered promiscuous mode [ 53.903597][ T7238] debugfs: Directory 'hsr0' with parent '/' already present! [ 53.975468][ T7235] device hsr_slave_0 entered promiscuous mode [ 54.023722][ T7235] device hsr_slave_1 entered promiscuous mode [ 54.083633][ T7235] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.111407][ T7240] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.174887][ T7236] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.183264][ T7233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.199330][ T7240] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.208838][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.217531][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.228213][ T7242] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.244206][ T7236] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.258546][ T7233] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.270260][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.278223][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.286692][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.295336][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.303810][ T3007] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.310917][ T3007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.318680][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.326456][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.334282][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.342676][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.350998][ T3007] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.358062][ T3007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.372656][ T7242] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.390024][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.397696][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.406239][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.415713][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.424451][ T7245] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.431479][ T7245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.438990][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.447530][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.455913][ T7245] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.462969][ T7245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.471125][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.479993][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.491468][ T7245] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.498548][ T7245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.506073][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.514747][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.522956][ T7245] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.530036][ T7245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.538275][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.547204][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.562901][ T7238] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.580034][ T7240] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.591077][ T7240] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 54.628892][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.641196][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.651341][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.664290][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.672383][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.680977][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.690446][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.698834][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.707529][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.716709][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.724907][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.733657][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.741864][ T7245] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.749367][ T7245] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.757078][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 54.766120][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 54.774719][ T7245] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.781756][ T7245] bridge0: port 2(bridge_slave_1) entered forwarding state [ 54.789826][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.798176][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.806673][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.815957][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.824342][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.832670][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.840872][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.849151][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.857635][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.866998][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.875530][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.884073][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.892697][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.901123][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.909375][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.918617][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.927380][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.935493][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.943024][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.950956][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.958625][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.981944][ T7238] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.998843][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.007620][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.016475][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.031281][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.039867][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.047835][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.056911][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.065529][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.074655][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.083039][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.090176][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.098785][ T7233] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.116539][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 55.129237][ T7242] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.139702][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.152002][ T7235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.172667][ T7233] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.182921][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.192146][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.201654][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.208745][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.216482][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.225235][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.241456][ T7240] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.255397][ T7242] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.269575][ T7236] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.291399][ T7236] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.309394][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.317379][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 55.328542][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 55.337472][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.346627][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.355062][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.363252][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.371578][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.379938][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.388231][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.396417][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.404622][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.417532][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.426324][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.433902][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 55.463949][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 55.472462][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 55.488285][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.497785][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.508032][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 55.518906][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 55.530082][ T7236] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.539269][ T7235] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.554655][ T7238] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 55.589663][ T7269] FAULT_INJECTION: forcing a failure. [ 55.589663][ T7269] name failslab, interval 1, probability 0, space 0, times 1 [ 55.602281][ T7269] CPU: 1 PID: 7269 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 55.610858][ T7269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.613908][ T7270] FAULT_INJECTION: forcing a failure. [ 55.613908][ T7270] name failslab, interval 1, probability 0, space 0, times 1 [ 55.620901][ T7269] Call Trace: [ 55.620913][ T7269] dump_stack+0x12d/0x187 [ 55.620925][ T7269] should_fail.cold.4+0x5/0x13 [ 55.620934][ T7269] ? fault_create_debugfs_attr+0x150/0x150 [ 55.651858][ T7269] ? __kasan_check_read+0x11/0x20 [ 55.656878][ T7269] __should_failslab+0xba/0xf0 [ 55.661631][ T7269] should_failslab+0x9/0x14 [ 55.666117][ T7269] kmem_cache_alloc_node+0x56/0x760 [ 55.671299][ T7269] cache_grow_begin+0x932/0xca0 [ 55.676144][ T7269] ? kmem_cache_alloc+0x9c/0x750 [ 55.681069][ T7269] ? trace_hardirqs_off+0x41/0x1a0 [ 55.686169][ T7269] kmem_cache_alloc+0x68b/0x750 [ 55.691002][ T7269] p9_client_prepare_req.part.5+0x3a/0x670 [ 55.696787][ T7269] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 55.702574][ T7269] p9_client_rpc+0x174/0xe50 [ 55.707141][ T7269] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 55.712917][ T7269] ? p9_client_prepare_req.part.5+0x670/0x670 [ 55.718968][ T7269] ? add_wait_queue+0x107/0x160 [ 55.723797][ T7269] ? p9_pollwait+0x182/0x210 [ 55.728363][ T7269] ? pipe_poll+0x80/0x300 [ 55.732677][ T7269] ? p9_fd_poll+0x19b/0x2a0 [ 55.737164][ T7269] ? p9_conn_create+0x399/0x4e0 [ 55.741996][ T7269] ? p9_conn_create+0x4e0/0x4e0 [ 55.746825][ T7269] p9_client_create+0x7ec/0x10e0 [ 55.751751][ T7269] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 55.757794][ T7269] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.763320][ T7269] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 55.769366][ T7269] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 55.775152][ T7269] ? __kmalloc_track_caller+0x60e/0x780 [ 55.780697][ T7269] ? __x64_sys_mount+0x169/0x1c0 [ 55.785609][ T7269] ? do_syscall_64+0xd0/0x600 [ 55.790260][ T7269] ? lockdep_init_map+0x1b6/0x6c0 [ 55.795267][ T7269] v9fs_session_init+0x1ed/0x14c0 [ 55.800272][ T7269] ? v9fs_session_init+0x1ed/0x14c0 [ 55.805444][ T7269] ? find_held_lock+0x36/0x1d0 [ 55.810197][ T7269] ? v9fs_show_options+0x6c0/0x6c0 [ 55.815290][ T7269] ? __kasan_check_read+0x11/0x20 [ 55.820299][ T7269] ? v9fs_mount+0x55/0x7f0 [ 55.824687][ T7269] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.830204][ T7269] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 55.836255][ T7269] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 55.842040][ T7269] ? kmem_cache_alloc_trace+0x39e/0x780 [ 55.847582][ T7269] ? apparmor_task_alloc+0x2f0/0x2f0 [ 55.852859][ T7269] v9fs_mount+0x72/0x7f0 [ 55.857090][ T7269] ? v9fs_write_inode+0x50/0x50 [ 55.861946][ T7269] legacy_get_tree+0x103/0x1f0 [ 55.866694][ T7269] vfs_get_tree+0x8b/0x2d0 [ 55.871086][ T7269] ? capable+0x14/0x20 [ 55.875163][ T7269] do_mount+0x1270/0x1b60 [ 55.879478][ T7269] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 55.884998][ T7269] ? copy_mount_string+0x20/0x20 [ 55.889913][ T7269] ? kmem_cache_alloc_trace+0x39e/0x780 [ 55.895440][ T7269] ? __kasan_check_write+0x14/0x20 [ 55.900538][ T7269] ? __kasan_check_read+0x11/0x20 [ 55.905536][ T7269] ? copy_mount_options+0x77/0x2c0 [ 55.910623][ T7269] __x64_sys_mount+0x169/0x1c0 [ 55.915364][ T7269] do_syscall_64+0xd0/0x600 [ 55.919848][ T7269] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.925711][ T7269] RIP: 0033:0x458da9 [ 55.929582][ T7269] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.949163][ T7269] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 55.957553][ T7269] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 55.965504][ T7269] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 55.973454][ T7269] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 55.981414][ T7269] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 55.989362][ T7269] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 55.999566][ T7270] CPU: 0 PID: 7270 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 56.008160][ T7270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.018307][ T7270] Call Trace: [ 56.021318][ T7238] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.021586][ T7270] dump_stack+0x12d/0x187 [ 56.032634][ T7270] should_fail.cold.4+0x5/0x13 [ 56.037398][ T7270] ? fault_create_debugfs_attr+0x150/0x150 [ 56.038583][ T7273] FAULT_INJECTION: forcing a failure. [ 56.038583][ T7273] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 56.043191][ T7270] ? ___might_sleep+0x16b/0x2b0 [ 56.062129][ T7270] __should_failslab+0xba/0xf0 [ 56.066884][ T7270] should_failslab+0x9/0x14 [ 56.071381][ T7270] __kmalloc+0x2eb/0x790 [ 56.075606][ T7270] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 56.080873][ T7270] p9_fcall_init.isra.2+0x55/0x1c0 [ 56.085962][ T7270] p9_client_prepare_req.part.5+0x116/0x670 [ 56.091844][ T7270] p9_client_rpc+0x174/0xe50 [ 56.096412][ T7270] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 56.102190][ T7270] ? p9_client_prepare_req.part.5+0x670/0x670 [ 56.108245][ T7270] ? add_wait_queue+0x107/0x160 [ 56.113069][ T7270] ? p9_pollwait+0x182/0x210 [ 56.117651][ T7270] ? pipe_poll+0x80/0x300 [ 56.121964][ T7270] ? p9_fd_poll+0x19b/0x2a0 [ 56.126448][ T7270] ? p9_conn_create+0x399/0x4e0 [ 56.131282][ T7270] ? p9_conn_create+0x4e0/0x4e0 [ 56.136123][ T7270] p9_client_create+0x7ec/0x10e0 [ 56.141042][ T7270] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 56.147117][ T7270] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.152640][ T7270] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.158679][ T7270] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.164476][ T7270] ? __kmalloc_track_caller+0x60e/0x780 [ 56.169998][ T7270] ? __x64_sys_mount+0x169/0x1c0 [ 56.174918][ T7270] ? do_syscall_64+0xd0/0x600 [ 56.179578][ T7270] ? lockdep_init_map+0x1b6/0x6c0 [ 56.184582][ T7270] v9fs_session_init+0x1ed/0x14c0 [ 56.189582][ T7270] ? v9fs_session_init+0x1ed/0x14c0 [ 56.194753][ T7270] ? find_held_lock+0x36/0x1d0 [ 56.199492][ T7270] ? v9fs_show_options+0x6c0/0x6c0 [ 56.204574][ T7270] ? __kasan_check_read+0x11/0x20 [ 56.209582][ T7270] ? v9fs_mount+0x55/0x7f0 [ 56.213970][ T7270] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.219484][ T7270] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.225781][ T7270] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.231561][ T7270] ? kmem_cache_alloc_trace+0x39e/0x780 [ 56.237080][ T7270] ? apparmor_task_alloc+0x2f0/0x2f0 [ 56.242340][ T7270] v9fs_mount+0x72/0x7f0 [ 56.246554][ T7270] ? v9fs_write_inode+0x50/0x50 [ 56.251375][ T7270] legacy_get_tree+0x103/0x1f0 [ 56.256113][ T7270] vfs_get_tree+0x8b/0x2d0 [ 56.260501][ T7270] ? capable+0x14/0x20 [ 56.264542][ T7270] do_mount+0x1270/0x1b60 [ 56.268840][ T7270] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.274357][ T7270] ? copy_mount_string+0x20/0x20 [ 56.279267][ T7270] ? kmem_cache_alloc_trace+0x39e/0x780 [ 56.284787][ T7270] ? __kasan_check_write+0x14/0x20 [ 56.289870][ T7270] ? _copy_from_user+0xd6/0x110 [ 56.294698][ T7270] ? __kasan_check_read+0x11/0x20 [ 56.299694][ T7270] ? copy_mount_options+0x77/0x2c0 [ 56.304776][ T7270] __x64_sys_mount+0x169/0x1c0 [ 56.309516][ T7270] do_syscall_64+0xd0/0x600 [ 56.314013][ T7270] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.319900][ T7270] RIP: 0033:0x458da9 [ 56.323776][ T7270] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.343373][ T7270] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.351758][ T7270] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 56.359877][ T7270] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 56.367836][ T7270] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 56.375801][ T7270] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 56.383751][ T7270] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 56.391716][ T7273] CPU: 1 PID: 7273 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 56.400290][ T7273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.400295][ T7273] Call Trace: [ 56.400307][ T7273] dump_stack+0x12d/0x187 [ 56.413675][ T7273] should_fail.cold.4+0x5/0x13 [ 56.413682][ T7273] ? kmem_cache_alloc+0x121/0x750 [ 56.413689][ T7273] ? fault_create_debugfs_attr+0x150/0x150 [ 56.413695][ T7273] ? vfs_get_tree+0x8b/0x2d0 [ 56.413701][ T7273] ? do_mount+0x1270/0x1b60 [ 56.413705][ T7273] ? __x64_sys_mount+0x169/0x1c0 [ 56.413711][ T7273] ? do_syscall_64+0xd0/0x600 [ 56.413717][ T7273] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.413727][ T7273] should_fail_alloc_page+0x50/0x60 [ 56.413732][ T7273] __alloc_pages_nodemask+0x17f/0x890 [ 56.413741][ T7273] ? __alloc_pages_slowpath+0x2570/0x2570 [ 56.442641][ T7273] cache_grow_begin+0x92/0xca0 [ 56.458245][ T7273] ? __kmalloc+0xc5/0x790 [ 56.458254][ T7273] ? trace_hardirqs_off+0x41/0x1a0 [ 56.458261][ T7273] __kmalloc+0x6cd/0x790 [ 56.458271][ T7273] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 56.458279][ T7273] p9_fcall_init.isra.2+0x55/0x1c0 [ 56.458286][ T7273] p9_client_prepare_req.part.5+0x96/0x670 [ 56.458295][ T7273] p9_client_rpc+0x174/0xe50 [ 56.458305][ T7273] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 56.458310][ T7273] ? p9_client_prepare_req.part.5+0x670/0x670 [ 56.458316][ T7273] ? add_wait_queue+0x107/0x160 [ 56.458324][ T7273] ? p9_pollwait+0x182/0x210 [ 56.458331][ T7273] ? pipe_poll+0x80/0x300 [ 56.458338][ T7273] ? p9_fd_poll+0x19b/0x2a0 [ 56.458344][ T7273] ? p9_conn_create+0x399/0x4e0 [ 56.458353][ T7273] ? p9_conn_create+0x4e0/0x4e0 [ 56.458365][ T7273] p9_client_create+0x7ec/0x10e0 [ 56.458377][ T7273] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 56.471569][ T7277] FAULT_INJECTION: forcing a failure. [ 56.471569][ T7277] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 56.474605][ T7273] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.582891][ T7273] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.588931][ T7273] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.594712][ T7273] ? __kmalloc_track_caller+0x60e/0x780 [ 56.600228][ T7273] ? __x64_sys_mount+0x169/0x1c0 [ 56.605135][ T7273] ? do_syscall_64+0xd0/0x600 [ 56.609785][ T7273] ? lockdep_init_map+0x1b6/0x6c0 [ 56.614960][ T7273] v9fs_session_init+0x1ed/0x14c0 [ 56.619954][ T7273] ? v9fs_session_init+0x1ed/0x14c0 [ 56.625125][ T7273] ? find_held_lock+0x36/0x1d0 [ 56.629865][ T7273] ? v9fs_show_options+0x6c0/0x6c0 [ 56.634946][ T7273] ? __kasan_check_read+0x11/0x20 [ 56.639944][ T7273] ? v9fs_mount+0x55/0x7f0 [ 56.645288][ T7273] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.650802][ T7273] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 56.656836][ T7273] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 56.662616][ T7273] ? kmem_cache_alloc_trace+0x39e/0x780 [ 56.668135][ T7273] ? apparmor_task_alloc+0x2f0/0x2f0 [ 56.673401][ T7273] v9fs_mount+0x72/0x7f0 [ 56.677617][ T7273] ? v9fs_write_inode+0x50/0x50 [ 56.682447][ T7273] legacy_get_tree+0x103/0x1f0 [ 56.687197][ T7273] vfs_get_tree+0x8b/0x2d0 [ 56.692382][ T7273] ? capable+0x14/0x20 [ 56.696425][ T7273] do_mount+0x1270/0x1b60 [ 56.700724][ T7273] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 56.706257][ T7273] ? copy_mount_string+0x20/0x20 [ 56.711168][ T7273] ? kmem_cache_alloc_trace+0x39e/0x780 [ 56.716689][ T7273] ? __kasan_check_write+0x14/0x20 [ 56.721773][ T7273] ? __kasan_check_read+0x11/0x20 [ 56.726769][ T7273] ? copy_mount_options+0x77/0x2c0 [ 56.731850][ T7273] __x64_sys_mount+0x169/0x1c0 [ 56.736586][ T7273] do_syscall_64+0xd0/0x600 [ 56.741061][ T7273] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.746925][ T7273] RIP: 0033:0x458da9 [ 56.750804][ T7273] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.770647][ T7273] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 56.779046][ T7273] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 56.787948][ T7273] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 56.795894][ T7273] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 56.804791][ T7273] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 56.813180][ T7273] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 56.821146][ T7277] CPU: 0 PID: 7277 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 56.829746][ T7277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.839800][ T7277] Call Trace: 2019/12/18 21:48:30 executed programs: 8 [ 56.839812][ T7277] dump_stack+0x12d/0x187 [ 56.839822][ T7277] should_fail.cold.4+0x5/0x13 [ 56.839829][ T7277] ? do_mount+0x1270/0x1b60 [ 56.839836][ T7277] ? fault_create_debugfs_attr+0x150/0x150 [ 56.839845][ T7277] ? find_held_lock+0x36/0x1d0 [ 56.839854][ T7277] should_fail_alloc_page+0x50/0x60 [ 56.839859][ T7277] __alloc_pages_nodemask+0x17f/0x890 [ 56.839867][ T7277] ? cache_grow_end+0xa8/0x190 [ 56.852195][ T7277] ? __alloc_pages_slowpath+0x2570/0x2570 [ 56.867217][ T7277] ? do_raw_spin_lock+0x132/0x2e0 [ 56.867234][ T7277] cache_grow_begin+0x92/0xca0 [ 56.878181][ T7277] ? __kmalloc+0xc5/0x790 [ 56.878189][ T7277] ? trace_hardirqs_off+0x41/0x1a0 [ 56.878196][ T7277] __kmalloc+0x6cd/0x790 [ 56.878206][ T7277] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 56.878213][ T7277] p9_fcall_init.isra.2+0x55/0x1c0 [ 56.878221][ T7277] p9_client_prepare_req.part.5+0x116/0x670 [ 56.878230][ T7277] p9_client_rpc+0x174/0xe50 [ 56.889040][ T7282] FAULT_INJECTION: forcing a failure. [ 56.889040][ T7282] name failslab, interval 1, probability 0, space 0, times 0 [ 56.893689][ T7277] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 56.893698][ T7277] ? p9_client_prepare_req.part.5+0x670/0x670 [ 56.893705][ T7277] ? add_wait_queue+0x107/0x160 [ 56.893712][ T7277] ? p9_pollwait+0x182/0x210 [ 56.893720][ T7277] ? pipe_poll+0x80/0x300 [ 56.893728][ T7277] ? p9_fd_poll+0x19b/0x2a0 [ 56.975370][ T7277] ? p9_conn_create+0x399/0x4e0 [ 56.980557][ T7277] ? p9_conn_create+0x4e0/0x4e0 [ 56.985395][ T7277] p9_client_create+0x7ec/0x10e0 [ 56.990311][ T7277] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 56.997307][ T7277] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.003178][ T7277] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.009219][ T7277] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.014998][ T7277] ? __kmalloc_track_caller+0x60e/0x780 [ 57.020514][ T7277] ? __x64_sys_mount+0x169/0x1c0 [ 57.025420][ T7277] ? do_syscall_64+0xd0/0x600 [ 57.030078][ T7277] ? lockdep_init_map+0x1b6/0x6c0 [ 57.035087][ T7277] v9fs_session_init+0x1ed/0x14c0 [ 57.040086][ T7277] ? v9fs_session_init+0x1ed/0x14c0 [ 57.045256][ T7277] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.050687][ T7277] ? find_held_lock+0x36/0x1d0 [ 57.055426][ T7277] ? v9fs_show_options+0x6c0/0x6c0 [ 57.060508][ T7277] ? __kasan_check_read+0x11/0x20 [ 57.065504][ T7277] ? v9fs_mount+0x55/0x7f0 [ 57.069895][ T7277] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.075515][ T7277] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.081556][ T7277] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.087350][ T7277] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.092868][ T7277] ? apparmor_task_alloc+0x2f0/0x2f0 [ 57.098135][ T7277] v9fs_mount+0x72/0x7f0 [ 57.102355][ T7277] ? v9fs_write_inode+0x50/0x50 [ 57.108131][ T7277] legacy_get_tree+0x103/0x1f0 [ 57.112886][ T7277] vfs_get_tree+0x8b/0x2d0 [ 57.117287][ T7277] ? capable+0x14/0x20 [ 57.121331][ T7277] do_mount+0x1270/0x1b60 [ 57.126675][ T7277] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 57.132121][ T7277] ? copy_mount_string+0x20/0x20 [ 57.137037][ T7277] ? retint_kernel+0x2b/0x2b [ 57.141617][ T7277] ? copy_mount_options+0x1b0/0x2c0 [ 57.146796][ T7277] __x64_sys_mount+0x169/0x1c0 [ 57.151638][ T7277] do_syscall_64+0xd0/0x600 [ 57.156149][ T7277] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.162016][ T7277] RIP: 0033:0x458da9 [ 57.165884][ T7277] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.185473][ T7277] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.193883][ T7277] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 57.201851][ T7277] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 57.209802][ T7277] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 57.217747][ T7277] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 57.225699][ T7277] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 57.233660][ T7282] CPU: 1 PID: 7282 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 57.242246][ T7282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.252306][ T7282] Call Trace: [ 57.254968][ T7288] FAULT_INJECTION: forcing a failure. [ 57.254968][ T7288] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 57.255594][ T7282] dump_stack+0x12d/0x187 [ 57.273494][ T7282] should_fail.cold.4+0x5/0x13 [ 57.278230][ T7282] ? fault_create_debugfs_attr+0x150/0x150 [ 57.284016][ T7282] ? ___might_sleep+0x16b/0x2b0 [ 57.288843][ T7282] __should_failslab+0xba/0xf0 [ 57.293578][ T7282] should_failslab+0x9/0x14 [ 57.298050][ T7282] __kmalloc+0x2eb/0x790 [ 57.302269][ T7282] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 57.307525][ T7282] p9_fcall_init.isra.2+0x55/0x1c0 [ 57.312619][ T7282] p9_client_prepare_req.part.5+0x116/0x670 [ 57.318483][ T7282] p9_client_rpc+0x174/0xe50 [ 57.323070][ T7282] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 57.328862][ T7282] ? p9_client_prepare_req.part.5+0x670/0x670 [ 57.334908][ T7282] ? add_wait_queue+0x107/0x160 [ 57.339737][ T7282] ? p9_pollwait+0x182/0x210 [ 57.344320][ T7282] ? pipe_poll+0x80/0x300 [ 57.348628][ T7282] ? p9_fd_poll+0x19b/0x2a0 [ 57.353106][ T7282] ? p9_conn_create+0x399/0x4e0 [ 57.357949][ T7282] ? p9_conn_create+0x4e0/0x4e0 [ 57.362779][ T7282] p9_client_create+0x7ec/0x10e0 [ 57.367698][ T7282] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 57.373746][ T7282] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.379263][ T7282] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.385315][ T7282] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.391098][ T7282] ? __kmalloc_track_caller+0x60e/0x780 [ 57.396616][ T7282] ? __x64_sys_mount+0x169/0x1c0 [ 57.401529][ T7282] ? do_syscall_64+0xd0/0x600 [ 57.406176][ T7282] ? lockdep_init_map+0x1b6/0x6c0 [ 57.411188][ T7282] v9fs_session_init+0x1ed/0x14c0 [ 57.416185][ T7282] ? v9fs_session_init+0x1ed/0x14c0 [ 57.421355][ T7282] ? find_held_lock+0x36/0x1d0 [ 57.426113][ T7282] ? v9fs_show_options+0x6c0/0x6c0 [ 57.431202][ T7282] ? __kasan_check_read+0x11/0x20 [ 57.436327][ T7282] ? v9fs_mount+0x55/0x7f0 [ 57.440725][ T7282] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.446271][ T7282] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.452320][ T7282] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.458118][ T7282] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.463649][ T7282] ? apparmor_task_alloc+0x2f0/0x2f0 [ 57.469689][ T7282] v9fs_mount+0x72/0x7f0 [ 57.473907][ T7282] ? v9fs_write_inode+0x50/0x50 [ 57.478731][ T7282] legacy_get_tree+0x103/0x1f0 [ 57.483478][ T7282] vfs_get_tree+0x8b/0x2d0 [ 57.487867][ T7282] ? capable+0x14/0x20 [ 57.491912][ T7282] do_mount+0x1270/0x1b60 [ 57.496231][ T7282] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.501750][ T7282] ? copy_mount_string+0x20/0x20 [ 57.506660][ T7282] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.512176][ T7282] ? __kasan_check_write+0x14/0x20 [ 57.517261][ T7282] ? _copy_from_user+0xd6/0x110 [ 57.522085][ T7282] ? __kasan_check_read+0x11/0x20 [ 57.527080][ T7282] ? copy_mount_options+0x77/0x2c0 [ 57.532174][ T7282] __x64_sys_mount+0x169/0x1c0 [ 57.536910][ T7282] do_syscall_64+0xd0/0x600 [ 57.541388][ T7282] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.547249][ T7282] RIP: 0033:0x458da9 [ 57.551115][ T7282] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.570690][ T7282] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 57.579070][ T7282] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 57.587014][ T7282] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 57.594970][ T7282] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 57.602914][ T7282] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 57.610866][ T7282] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 57.619268][ T7288] CPU: 0 PID: 7288 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 57.627842][ T7288] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.637889][ T7288] Call Trace: [ 57.637900][ T7288] dump_stack+0x12d/0x187 [ 57.637911][ T7288] should_fail.cold.4+0x5/0x13 [ 57.637918][ T7288] ? kmem_cache_alloc+0x121/0x750 [ 57.637925][ T7288] ? fault_create_debugfs_attr+0x150/0x150 [ 57.637930][ T7288] ? vfs_get_tree+0x8b/0x2d0 [ 57.637936][ T7288] ? do_mount+0x1270/0x1b60 [ 57.637940][ T7288] ? __x64_sys_mount+0x169/0x1c0 [ 57.637947][ T7288] ? do_syscall_64+0xd0/0x600 [ 57.637951][ T7288] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.637962][ T7288] should_fail_alloc_page+0x50/0x60 [ 57.648763][ T7291] FAULT_INJECTION: forcing a failure. [ 57.648763][ T7291] name failslab, interval 1, probability 0, space 0, times 0 [ 57.650294][ T7288] __alloc_pages_nodemask+0x17f/0x890 [ 57.650303][ T7288] ? __alloc_pages_slowpath+0x2570/0x2570 [ 57.650319][ T7288] cache_grow_begin+0x92/0xca0 [ 57.720322][ T7288] ? __kmalloc+0xc5/0x790 [ 57.724629][ T7288] ? trace_hardirqs_off+0x41/0x1a0 [ 57.729721][ T7288] __kmalloc+0x6cd/0x790 [ 57.733945][ T7288] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 57.739213][ T7288] p9_fcall_init.isra.2+0x55/0x1c0 [ 57.744297][ T7288] p9_client_prepare_req.part.5+0x96/0x670 [ 57.750077][ T7288] p9_client_rpc+0x174/0xe50 [ 57.754643][ T7288] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 57.760432][ T7288] ? p9_client_prepare_req.part.5+0x670/0x670 [ 57.766470][ T7288] ? add_wait_queue+0x107/0x160 [ 57.771298][ T7288] ? p9_pollwait+0x182/0x210 [ 57.775861][ T7288] ? pipe_poll+0x80/0x300 [ 57.780162][ T7288] ? p9_fd_poll+0x19b/0x2a0 [ 57.784637][ T7288] ? p9_conn_create+0x399/0x4e0 [ 57.789464][ T7288] ? p9_conn_create+0x4e0/0x4e0 [ 57.794724][ T7288] p9_client_create+0x7ec/0x10e0 [ 57.799638][ T7288] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 57.805694][ T7288] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.811234][ T7288] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.817289][ T7288] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.823084][ T7288] ? __kmalloc_track_caller+0x60e/0x780 [ 57.828610][ T7288] ? __x64_sys_mount+0x169/0x1c0 [ 57.833557][ T7288] ? do_syscall_64+0xd0/0x600 [ 57.838206][ T7288] ? lockdep_init_map+0x1b6/0x6c0 [ 57.843213][ T7288] v9fs_session_init+0x1ed/0x14c0 [ 57.848223][ T7288] ? v9fs_session_init+0x1ed/0x14c0 [ 57.853398][ T7288] ? cache_grow_end+0xa8/0x190 [ 57.858132][ T7288] ? lock_downgrade+0x900/0x900 [ 57.862955][ T7288] ? __kasan_check_write+0x14/0x20 [ 57.868042][ T7288] ? v9fs_show_options+0x6c0/0x6c0 [ 57.873124][ T7288] ? __kasan_check_read+0x11/0x20 [ 57.878122][ T7288] ? v9fs_mount+0x55/0x7f0 [ 57.882512][ T7288] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.888030][ T7288] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 57.894068][ T7288] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 57.899853][ T7288] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.905558][ T7288] v9fs_mount+0x72/0x7f0 [ 57.909777][ T7288] ? v9fs_write_inode+0x50/0x50 [ 57.914612][ T7288] legacy_get_tree+0x103/0x1f0 [ 57.919351][ T7288] vfs_get_tree+0x8b/0x2d0 [ 57.923739][ T7288] ? capable+0x14/0x20 [ 57.927781][ T7288] do_mount+0x1270/0x1b60 [ 57.932085][ T7288] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 57.937610][ T7288] ? copy_mount_string+0x20/0x20 [ 57.942522][ T7288] ? kmem_cache_alloc_trace+0x39e/0x780 [ 57.948038][ T7288] ? __kasan_check_write+0x14/0x20 [ 57.953123][ T7288] ? __kasan_check_read+0x11/0x20 [ 57.958120][ T7288] ? copy_mount_options+0x77/0x2c0 [ 57.963205][ T7288] __x64_sys_mount+0x169/0x1c0 [ 57.967942][ T7288] do_syscall_64+0xd0/0x600 [ 57.972432][ T7288] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.978295][ T7288] RIP: 0033:0x458da9 [ 57.982162][ T7288] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.002271][ T7288] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.010661][ T7288] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 58.018608][ T7288] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 58.026555][ T7288] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 58.034500][ T7288] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 58.042449][ T7288] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 58.050411][ T7291] CPU: 1 PID: 7291 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 58.058992][ T7291] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.069044][ T7291] Call Trace: [ 58.072331][ T7291] dump_stack+0x12d/0x187 [ 58.076656][ T7291] should_fail.cold.4+0x5/0x13 [ 58.081414][ T7291] ? fault_create_debugfs_attr+0x150/0x150 [ 58.087213][ T7291] ? ___might_sleep+0x16b/0x2b0 [ 58.092058][ T7291] __should_failslab+0xba/0xf0 [ 58.096817][ T7291] should_failslab+0x9/0x14 [ 58.101315][ T7291] __kmalloc+0x2eb/0x790 [ 58.105551][ T7291] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 58.110832][ T7291] p9_fcall_init.isra.2+0x55/0x1c0 [ 58.115941][ T7291] p9_client_prepare_req.part.5+0x116/0x670 [ 58.121829][ T7291] p9_client_rpc+0x174/0xe50 [ 58.126431][ T7291] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 58.128601][ T7298] FAULT_INJECTION: forcing a failure. [ 58.128601][ T7298] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 58.132223][ T7291] ? p9_client_prepare_req.part.5+0x670/0x670 [ 58.151418][ T7291] ? add_wait_queue+0x107/0x160 [ 58.156343][ T7291] ? p9_pollwait+0x182/0x210 [ 58.160917][ T7291] ? pipe_poll+0x80/0x300 [ 58.165231][ T7291] ? p9_fd_poll+0x19b/0x2a0 [ 58.169729][ T7291] ? p9_conn_create+0x399/0x4e0 [ 58.174559][ T7291] ? p9_conn_create+0x4e0/0x4e0 [ 58.180347][ T7291] p9_client_create+0x7ec/0x10e0 [ 58.185270][ T7291] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 58.191312][ T7291] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.196844][ T7291] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.202899][ T7291] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.209655][ T7291] ? __kmalloc_track_caller+0x60e/0x780 [ 58.215174][ T7291] ? __x64_sys_mount+0x169/0x1c0 [ 58.220113][ T7291] ? do_syscall_64+0xd0/0x600 [ 58.224763][ T7291] ? lockdep_init_map+0x1b6/0x6c0 [ 58.229767][ T7291] v9fs_session_init+0x1ed/0x14c0 [ 58.234762][ T7291] ? v9fs_session_init+0x1ed/0x14c0 [ 58.239947][ T7291] ? find_held_lock+0x36/0x1d0 [ 58.244687][ T7291] ? v9fs_show_options+0x6c0/0x6c0 [ 58.249769][ T7291] ? __kasan_check_read+0x11/0x20 [ 58.255744][ T7291] ? v9fs_mount+0x55/0x7f0 [ 58.260152][ T7291] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.265693][ T7291] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.271753][ T7291] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.277540][ T7291] ? kmem_cache_alloc_trace+0x39e/0x780 [ 58.283062][ T7291] ? apparmor_task_alloc+0x2f0/0x2f0 [ 58.288325][ T7291] v9fs_mount+0x72/0x7f0 [ 58.292550][ T7291] ? v9fs_write_inode+0x50/0x50 [ 58.297372][ T7291] legacy_get_tree+0x103/0x1f0 [ 58.302109][ T7291] vfs_get_tree+0x8b/0x2d0 [ 58.306496][ T7291] ? capable+0x14/0x20 [ 58.310625][ T7291] do_mount+0x1270/0x1b60 [ 58.314928][ T7291] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.320444][ T7291] ? copy_mount_string+0x20/0x20 [ 58.325354][ T7291] ? kmem_cache_alloc_trace+0x39e/0x780 [ 58.330869][ T7291] ? __kasan_check_write+0x14/0x20 [ 58.335976][ T7291] ? __kasan_check_read+0x11/0x20 [ 58.341001][ T7291] ? copy_mount_options+0x77/0x2c0 [ 58.346090][ T7291] __x64_sys_mount+0x169/0x1c0 [ 58.351441][ T7291] do_syscall_64+0xd0/0x600 [ 58.355930][ T7291] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.361802][ T7291] RIP: 0033:0x458da9 [ 58.365675][ T7291] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.385252][ T7291] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.393633][ T7291] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 58.401587][ T7291] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 58.409541][ T7291] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 58.417487][ T7291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 58.425430][ T7291] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 58.433392][ T7298] CPU: 0 PID: 7298 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 58.441965][ T7298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.441971][ T7298] Call Trace: [ 58.452340][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.455286][ T7298] dump_stack+0x12d/0x187 [ 58.455298][ T7298] should_fail.cold.4+0x5/0x13 [ 58.455304][ T7298] ? do_mount+0x1270/0x1b60 [ 58.455311][ T7298] ? fault_create_debugfs_attr+0x150/0x150 [ 58.480456][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.482666][ T7298] ? find_held_lock+0x36/0x1d0 [ 58.495374][ T7298] should_fail_alloc_page+0x50/0x60 [ 58.495382][ T7298] __alloc_pages_nodemask+0x17f/0x890 [ 58.495389][ T7298] ? cache_grow_end+0xa8/0x190 [ 58.495396][ T7298] ? __alloc_pages_slowpath+0x2570/0x2570 [ 58.495403][ T7298] ? do_raw_spin_lock+0x132/0x2e0 [ 58.495416][ T7298] cache_grow_begin+0x92/0xca0 [ 58.495420][ T7298] ? __kmalloc+0xc5/0x790 [ 58.495427][ T7298] ? trace_hardirqs_off+0x41/0x1a0 [ 58.495435][ T7298] __kmalloc+0x6cd/0x790 [ 58.501528][ T7162] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.505984][ T7298] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 58.505993][ T7298] p9_fcall_init.isra.2+0x55/0x1c0 [ 58.506001][ T7298] p9_client_prepare_req.part.5+0x116/0x670 [ 58.506011][ T7298] p9_client_rpc+0x174/0xe50 [ 58.506020][ T7298] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 58.506028][ T7298] ? p9_client_prepare_req.part.5+0x670/0x670 [ 58.510800][ T7162] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.516491][ T7298] ? add_wait_queue+0x107/0x160 [ 58.516502][ T7298] ? p9_pollwait+0x182/0x210 [ 58.516511][ T7298] ? pipe_poll+0x80/0x300 [ 58.516517][ T7298] ? p9_fd_poll+0x19b/0x2a0 [ 58.516524][ T7298] ? p9_conn_create+0x399/0x4e0 [ 58.516533][ T7298] ? p9_conn_create+0x4e0/0x4e0 [ 58.521994][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.526287][ T7298] p9_client_create+0x7ec/0x10e0 [ 58.526301][ T7298] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 58.526307][ T7298] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.526313][ T7298] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.531102][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.535706][ T7298] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.535717][ T7298] ? __kmalloc_track_caller+0x60e/0x780 [ 58.535724][ T7298] ? __x64_sys_mount+0x169/0x1c0 [ 58.535730][ T7298] ? do_syscall_64+0xd0/0x600 [ 58.535735][ T7298] ? lockdep_init_map+0x1b6/0x6c0 [ 58.535749][ T7298] v9fs_session_init+0x1ed/0x14c0 [ 58.535754][ T7298] ? v9fs_session_init+0x1ed/0x14c0 [ 58.535763][ T7298] ? find_held_lock+0x36/0x1d0 [ 58.540454][ T7162] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.546977][ T7298] ? v9fs_show_options+0x6c0/0x6c0 [ 58.546984][ T7298] ? __kasan_check_read+0x11/0x20 [ 58.546992][ T7298] ? v9fs_mount+0x55/0x7f0 [ 58.546999][ T7298] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.547004][ T7298] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 58.547009][ T7298] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 58.547019][ T7298] ? kmem_cache_alloc_trace+0x39e/0x780 [ 58.552293][ T7162] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.557361][ T7298] ? apparmor_task_alloc+0x2f0/0x2f0 [ 58.557370][ T7298] v9fs_mount+0x72/0x7f0 [ 58.557378][ T7298] ? v9fs_write_inode+0x50/0x50 [ 58.557386][ T7298] legacy_get_tree+0x103/0x1f0 [ 58.563679][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.567811][ T7298] vfs_get_tree+0x8b/0x2d0 [ 58.575969][ T7162] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.579978][ T7298] ? capable+0x14/0x20 [ 58.623021][ T7298] do_mount+0x1270/0x1b60 [ 58.633759][ T7303] FAULT_INJECTION: forcing a failure. [ 58.633759][ T7303] name failslab, interval 1, probability 0, space 0, times 0 [ 58.633975][ T7298] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.645538][ T7298] ? copy_mount_string+0x20/0x20 [ 58.645548][ T7298] ? kmem_cache_alloc_trace+0x39e/0x780 [ 58.645555][ T7298] ? __kasan_check_write+0x14/0x20 [ 58.645562][ T7298] ? _copy_from_user+0xd6/0x110 [ 58.645569][ T7298] ? __kasan_check_read+0x11/0x20 [ 58.645574][ T7298] ? copy_mount_options+0x77/0x2c0 [ 58.645582][ T7298] __x64_sys_mount+0x169/0x1c0 [ 58.846716][ T7298] do_syscall_64+0xd0/0x600 [ 58.851198][ T7298] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 58.857064][ T7298] RIP: 0033:0x458da9 [ 58.860934][ T7298] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 58.880511][ T7298] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 58.889257][ T7298] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 58.897201][ T7298] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 58.905145][ T7298] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 58.913101][ T7298] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 58.921048][ T7298] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 58.929021][ T7303] CPU: 1 PID: 7303 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 58.937601][ T7303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.947735][ T7303] Call Trace: [ 58.951016][ T7303] dump_stack+0x12d/0x187 [ 58.955340][ T7303] should_fail.cold.4+0x5/0x13 [ 58.960088][ T7303] ? fault_create_debugfs_attr+0x150/0x150 [ 58.963879][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.965875][ T7303] ? ___might_sleep+0x16b/0x2b0 [ 58.978576][ T7303] __should_failslab+0xba/0xf0 [ 58.983333][ T7303] should_failslab+0x9/0x14 [ 58.987833][ T7303] __kmalloc+0x2eb/0x790 [ 58.992068][ T7303] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 58.996544][ T7235] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.997339][ T7303] p9_fcall_init.isra.2+0x55/0x1c0 [ 59.011342][ T7235] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.012726][ T7303] p9_client_prepare_req.part.5+0x116/0x670 [ 59.025635][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.029853][ T7303] p9_client_rpc+0x174/0xe50 [ 59.038717][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.042290][ T7303] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 59.050824][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.055991][ T7303] ? p9_client_prepare_req.part.5+0x670/0x670 [ 59.056000][ T7303] ? add_wait_queue+0x107/0x160 [ 59.056020][ T7303] ? p9_pollwait+0x182/0x210 [ 59.056029][ T7303] ? pipe_poll+0x80/0x300 [ 59.056036][ T7303] ? p9_fd_poll+0x19b/0x2a0 [ 59.056043][ T7303] ? p9_conn_create+0x399/0x4e0 [ 59.056051][ T7303] ? p9_conn_create+0x4e0/0x4e0 [ 59.056062][ T7303] p9_client_create+0x7ec/0x10e0 [ 59.056073][ T7303] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 59.056078][ T7303] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.056084][ T7303] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.056090][ T7303] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.056100][ T7303] ? __kmalloc_track_caller+0x60e/0x780 [ 59.056106][ T7303] ? __x64_sys_mount+0x169/0x1c0 [ 59.056112][ T7303] ? do_syscall_64+0xd0/0x600 [ 59.056117][ T7303] ? lockdep_init_map+0x1b6/0x6c0 [ 59.056129][ T7303] v9fs_session_init+0x1ed/0x14c0 [ 59.056134][ T7303] ? v9fs_session_init+0x1ed/0x14c0 [ 59.056147][ T7303] ? find_held_lock+0x36/0x1d0 [ 59.056158][ T7303] ? v9fs_show_options+0x6c0/0x6c0 [ 59.056163][ T7303] ? __kasan_check_read+0x11/0x20 [ 59.056169][ T7303] ? v9fs_mount+0x55/0x7f0 [ 59.056175][ T7303] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.056179][ T7303] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.056183][ T7303] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.056193][ T7303] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.056202][ T7303] ? apparmor_task_alloc+0x2f0/0x2f0 [ 59.056211][ T7303] v9fs_mount+0x72/0x7f0 [ 59.056219][ T7303] ? v9fs_write_inode+0x50/0x50 [ 59.056225][ T7303] legacy_get_tree+0x103/0x1f0 [ 59.056235][ T7303] vfs_get_tree+0x8b/0x2d0 [ 59.056241][ T7303] ? capable+0x14/0x20 [ 59.056248][ T7303] do_mount+0x1270/0x1b60 [ 59.056254][ T7303] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.056261][ T7303] ? copy_mount_string+0x20/0x20 [ 59.056269][ T7303] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.056277][ T7303] ? __kasan_check_write+0x14/0x20 [ 59.056283][ T7303] ? _copy_from_user+0xd6/0x110 [ 59.056291][ T7303] ? __kasan_check_read+0x11/0x20 [ 59.056296][ T7303] ? copy_mount_options+0x77/0x2c0 [ 59.056304][ T7303] __x64_sys_mount+0x169/0x1c0 [ 59.056313][ T7303] do_syscall_64+0xd0/0x600 [ 59.056322][ T7303] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.056329][ T7303] RIP: 0033:0x458da9 [ 59.056336][ T7303] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.056340][ T7303] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.056346][ T7303] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 59.056350][ T7303] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 59.056353][ T7303] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 59.056357][ T7303] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 59.056360][ T7303] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 59.072714][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.120947][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.126899][ T7309] FAULT_INJECTION: forcing a failure. [ 59.126899][ T7309] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 59.129719][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.134414][ T7309] CPU: 1 PID: 7309 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 59.134418][ T7309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.134422][ T7309] Call Trace: [ 59.134434][ T7309] dump_stack+0x12d/0x187 [ 59.134444][ T7309] should_fail.cold.4+0x5/0x13 [ 59.134450][ T7309] ? do_mount+0x1270/0x1b60 [ 59.134458][ T7309] ? fault_create_debugfs_attr+0x150/0x150 [ 59.134468][ T7309] ? find_held_lock+0x36/0x1d0 [ 59.134478][ T7309] should_fail_alloc_page+0x50/0x60 [ 59.134484][ T7309] __alloc_pages_nodemask+0x17f/0x890 [ 59.134489][ T7309] ? cache_grow_end+0xa8/0x190 [ 59.134495][ T7309] ? __alloc_pages_slowpath+0x2570/0x2570 [ 59.134501][ T7309] ? do_raw_spin_lock+0x132/0x2e0 [ 59.134515][ T7309] cache_grow_begin+0x92/0xca0 [ 59.134519][ T7309] ? __kmalloc+0xc5/0x790 [ 59.134526][ T7309] ? trace_hardirqs_off+0x41/0x1a0 [ 59.134540][ T7309] __kmalloc+0x6cd/0x790 [ 59.134549][ T7309] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 59.134557][ T7309] p9_fcall_init.isra.2+0x55/0x1c0 [ 59.134565][ T7309] p9_client_prepare_req.part.5+0x116/0x670 [ 59.134575][ T7309] p9_client_rpc+0x174/0xe50 [ 59.134584][ T7309] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 59.134590][ T7309] ? p9_client_prepare_req.part.5+0x670/0x670 [ 59.134596][ T7309] ? add_wait_queue+0x107/0x160 [ 59.134605][ T7309] ? p9_pollwait+0x182/0x210 [ 59.134614][ T7309] ? pipe_poll+0x80/0x300 [ 59.134622][ T7309] ? p9_fd_poll+0x19b/0x2a0 [ 59.134629][ T7309] ? p9_conn_create+0x399/0x4e0 [ 59.134638][ T7309] ? p9_conn_create+0x4e0/0x4e0 [ 59.147335][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.149236][ T7309] p9_client_create+0x7ec/0x10e0 [ 59.149251][ T7309] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 59.155343][ T7245] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.159433][ T7309] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.159439][ T7309] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.159446][ T7309] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.159457][ T7309] ? __kmalloc_track_caller+0x60e/0x780 [ 59.173302][ T7235] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.174411][ T7309] ? __x64_sys_mount+0x169/0x1c0 [ 59.174419][ T7309] ? do_syscall_64+0xd0/0x600 [ 59.174423][ T7309] ? lockdep_init_map+0x1b6/0x6c0 [ 59.174437][ T7309] v9fs_session_init+0x1ed/0x14c0 [ 59.174441][ T7309] ? v9fs_session_init+0x1ed/0x14c0 [ 59.174451][ T7309] ? find_held_lock+0x36/0x1d0 [ 59.174461][ T7309] ? v9fs_show_options+0x6c0/0x6c0 [ 59.174467][ T7309] ? __kasan_check_read+0x11/0x20 [ 59.174475][ T7309] ? v9fs_mount+0x55/0x7f0 [ 59.174481][ T7309] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.174487][ T7309] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 59.174493][ T7309] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 59.174503][ T7309] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.174511][ T7309] ? apparmor_task_alloc+0x2f0/0x2f0 [ 59.174520][ T7309] v9fs_mount+0x72/0x7f0 [ 59.174528][ T7309] ? v9fs_write_inode+0x50/0x50 [ 59.174534][ T7309] legacy_get_tree+0x103/0x1f0 [ 59.174544][ T7309] vfs_get_tree+0x8b/0x2d0 [ 59.174548][ T7309] ? capable+0x14/0x20 [ 59.174554][ T7309] do_mount+0x1270/0x1b60 [ 59.174558][ T7309] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 59.174565][ T7309] ? copy_mount_string+0x20/0x20 [ 59.174572][ T7309] ? kmem_cache_alloc_trace+0x39e/0x780 [ 59.174578][ T7309] ? __kasan_check_write+0x14/0x20 [ 59.174585][ T7309] ? _copy_from_user+0xd6/0x110 [ 59.174592][ T7309] ? __kasan_check_read+0x11/0x20 [ 59.174597][ T7309] ? copy_mount_options+0x77/0x2c0 [ 59.174605][ T7309] __x64_sys_mount+0x169/0x1c0 [ 59.174614][ T7309] do_syscall_64+0xd0/0x600 [ 59.174623][ T7309] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 59.174629][ T7309] RIP: 0033:0x458da9 [ 59.174636][ T7309] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 59.174639][ T7309] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 59.174645][ T7309] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 59.174649][ T7309] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 59.174652][ T7309] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 59.174656][ T7309] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 59.174659][ T7309] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 59.846251][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.869530][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.897298][ T7318] FAULT_INJECTION: forcing a failure. [ 59.897298][ T7318] name failslab, interval 1, probability 0, space 0, times 0 [ 59.910603][ T7318] CPU: 1 PID: 7318 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 59.919190][ T7318] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.929241][ T7318] Call Trace: [ 59.932522][ T7318] dump_stack+0x12d/0x187 [ 59.936846][ T7318] should_fail.cold.4+0x5/0x13 [ 59.941689][ T7318] ? fault_create_debugfs_attr+0x150/0x150 [ 59.947491][ T7318] ? ___might_sleep+0x16b/0x2b0 [ 59.952328][ T7318] __should_failslab+0xba/0xf0 [ 59.957064][ T7318] should_failslab+0x9/0x14 [ 59.961536][ T7318] __kmalloc+0x2eb/0x790 [ 59.965761][ T7318] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 59.971028][ T7318] p9_fcall_init.isra.2+0x55/0x1c0 [ 59.976132][ T7318] p9_client_prepare_req.part.5+0x116/0x670 [ 59.982008][ T7318] p9_client_rpc+0x174/0xe50 [ 59.986576][ T7318] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 59.992358][ T7318] ? p9_client_prepare_req.part.5+0x670/0x670 [ 59.998397][ T7318] ? add_wait_queue+0x107/0x160 [ 60.003253][ T7318] ? p9_pollwait+0x182/0x210 [ 60.007818][ T7318] ? pipe_poll+0x80/0x300 [ 60.012119][ T7318] ? p9_fd_poll+0x19b/0x2a0 [ 60.016594][ T7318] ? p9_conn_create+0x399/0x4e0 [ 60.021416][ T7318] ? p9_conn_create+0x4e0/0x4e0 [ 60.026252][ T7318] p9_client_create+0x7ec/0x10e0 [ 60.031170][ T7318] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.037206][ T7318] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.042730][ T7318] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.048832][ T7318] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.054668][ T7318] ? __kmalloc_track_caller+0x60e/0x780 [ 60.060197][ T7318] ? __x64_sys_mount+0x169/0x1c0 [ 60.065116][ T7318] ? do_syscall_64+0xd0/0x600 [ 60.069787][ T7318] ? lockdep_init_map+0x1b6/0x6c0 [ 60.074810][ T7318] v9fs_session_init+0x1ed/0x14c0 [ 60.079825][ T7318] ? v9fs_session_init+0x1ed/0x14c0 [ 60.085013][ T7318] ? find_held_lock+0x36/0x1d0 [ 60.089758][ T7318] ? v9fs_show_options+0x6c0/0x6c0 [ 60.094841][ T7318] ? __kasan_check_read+0x11/0x20 [ 60.099835][ T7318] ? v9fs_mount+0x55/0x7f0 [ 60.104232][ T7318] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.109772][ T7318] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.115820][ T7318] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.121616][ T7318] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.127153][ T7318] ? apparmor_task_alloc+0x2f0/0x2f0 [ 60.132421][ T7318] v9fs_mount+0x72/0x7f0 [ 60.136683][ T7318] ? v9fs_write_inode+0x50/0x50 [ 60.141506][ T7318] legacy_get_tree+0x103/0x1f0 [ 60.146257][ T7318] vfs_get_tree+0x8b/0x2d0 [ 60.150655][ T7318] ? capable+0x14/0x20 [ 60.154701][ T7318] do_mount+0x1270/0x1b60 [ 60.159002][ T7318] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.164526][ T7318] ? copy_mount_string+0x20/0x20 [ 60.169614][ T7318] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.175173][ T7318] ? __kasan_check_write+0x14/0x20 [ 60.180259][ T7318] ? __kasan_check_read+0x11/0x20 [ 60.185269][ T7318] ? copy_mount_options+0x77/0x2c0 [ 60.190360][ T7318] __x64_sys_mount+0x169/0x1c0 [ 60.195231][ T7318] do_syscall_64+0xd0/0x600 [ 60.199710][ T7318] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.205576][ T7318] RIP: 0033:0x458da9 [ 60.209483][ T7318] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.229059][ T7318] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.237469][ T7318] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 60.245430][ T7318] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 60.253385][ T7318] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 60.261346][ T7318] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 60.269293][ T7318] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 60.310944][ T7325] FAULT_INJECTION: forcing a failure. [ 60.310944][ T7325] name failslab, interval 1, probability 0, space 0, times 0 [ 60.323709][ T7325] CPU: 1 PID: 7325 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 60.332279][ T7325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.342320][ T7325] Call Trace: [ 60.345637][ T7325] dump_stack+0x12d/0x187 [ 60.349947][ T7325] should_fail.cold.4+0x5/0x13 [ 60.354685][ T7325] ? stack_trace_save+0x82/0xb0 [ 60.359550][ T7325] ? fault_create_debugfs_attr+0x150/0x150 [ 60.365439][ T7325] __should_failslab+0xba/0xf0 [ 60.370179][ T7325] should_failslab+0x9/0x14 [ 60.374658][ T7325] kmem_cache_alloc+0x47/0x750 [ 60.379393][ T7325] ? __x64_sys_mount+0x169/0x1c0 [ 60.384338][ T7325] ? do_syscall_64+0xd0/0x600 [ 60.389001][ T7325] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 60.395396][ T7325] ? __kasan_check_read+0x11/0x20 [ 60.400398][ T7325] idr_get_free+0x35d/0x880 [ 60.404947][ T7325] ? __kasan_check_read+0x11/0x20 [ 60.409957][ T7325] idr_alloc_u32+0x13a/0x330 [ 60.414597][ T7325] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 60.420164][ T7325] ? mark_held_locks+0x130/0x130 [ 60.425088][ T7325] ? __kasan_check_write+0x14/0x20 [ 60.430171][ T7325] ? do_raw_spin_lock+0x132/0x2e0 [ 60.435220][ T7325] idr_alloc+0x7d/0xc0 [ 60.439273][ T7325] ? idr_alloc_u32+0x330/0x330 [ 60.444023][ T7325] p9_client_prepare_req.part.5+0x571/0x670 [ 60.449888][ T7325] p9_client_rpc+0x174/0xe50 [ 60.454451][ T7325] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 60.460310][ T7325] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.466345][ T7325] ? add_wait_queue+0x107/0x160 [ 60.471165][ T7325] ? p9_pollwait+0x182/0x210 [ 60.475725][ T7325] ? pipe_poll+0x80/0x300 [ 60.480035][ T7325] ? p9_fd_poll+0x19b/0x2a0 [ 60.484517][ T7325] ? p9_conn_create+0x399/0x4e0 [ 60.489342][ T7325] ? p9_conn_create+0x4e0/0x4e0 [ 60.495036][ T7325] p9_client_create+0x7ec/0x10e0 [ 60.499946][ T7325] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.505985][ T7325] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.511585][ T7325] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.517621][ T7325] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.523401][ T7325] ? __kmalloc_track_caller+0x60e/0x780 [ 60.528923][ T7325] ? __x64_sys_mount+0x169/0x1c0 [ 60.533833][ T7325] ? do_syscall_64+0xd0/0x600 [ 60.538485][ T7325] ? lockdep_init_map+0x1b6/0x6c0 [ 60.543503][ T7325] v9fs_session_init+0x1ed/0x14c0 [ 60.548503][ T7325] ? v9fs_session_init+0x1ed/0x14c0 [ 60.553674][ T7325] ? find_held_lock+0x36/0x1d0 [ 60.558408][ T7325] ? v9fs_show_options+0x6c0/0x6c0 [ 60.563488][ T7325] ? __kasan_check_read+0x11/0x20 [ 60.568489][ T7325] ? v9fs_mount+0x55/0x7f0 [ 60.572871][ T7325] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.578384][ T7325] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.585383][ T7325] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.591196][ T7325] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.596717][ T7325] ? apparmor_task_alloc+0x2f0/0x2f0 [ 60.601976][ T7325] v9fs_mount+0x72/0x7f0 [ 60.606191][ T7325] ? v9fs_write_inode+0x50/0x50 [ 60.611015][ T7325] legacy_get_tree+0x103/0x1f0 [ 60.615759][ T7325] vfs_get_tree+0x8b/0x2d0 [ 60.620148][ T7325] ? capable+0x14/0x20 [ 60.624188][ T7325] do_mount+0x1270/0x1b60 [ 60.628486][ T7325] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.634002][ T7325] ? copy_mount_string+0x20/0x20 [ 60.638914][ T7325] ? kmem_cache_alloc_trace+0x39e/0x780 [ 60.644452][ T7325] ? __kasan_check_write+0x14/0x20 [ 60.649546][ T7325] ? _copy_from_user+0xd6/0x110 [ 60.654377][ T7325] ? __kasan_check_read+0x11/0x20 [ 60.659387][ T7325] ? copy_mount_options+0x77/0x2c0 [ 60.664482][ T7325] __x64_sys_mount+0x169/0x1c0 [ 60.669219][ T7325] do_syscall_64+0xd0/0x600 [ 60.673704][ T7325] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 60.679564][ T7325] RIP: 0033:0x458da9 [ 60.683437][ T7325] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 60.703019][ T7325] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 60.711411][ T7325] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 60.719354][ T7325] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 60.727295][ T7325] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 60.735238][ T7325] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 60.743186][ T7325] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 60.798639][ T7330] FAULT_INJECTION: forcing a failure. [ 60.798639][ T7330] name failslab, interval 1, probability 0, space 0, times 0 [ 60.812940][ T7330] CPU: 1 PID: 7330 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 60.821521][ T7330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.831563][ T7330] Call Trace: [ 60.834833][ T7330] dump_stack+0x12d/0x187 [ 60.839144][ T7330] should_fail.cold.4+0x5/0x13 [ 60.843886][ T7330] ? fault_create_debugfs_attr+0x150/0x150 [ 60.849701][ T7330] ? ___might_sleep+0x16b/0x2b0 [ 60.854540][ T7330] __should_failslab+0xba/0xf0 [ 60.859290][ T7330] should_failslab+0x9/0x14 [ 60.863774][ T7330] __kmalloc+0x2eb/0x790 [ 60.868004][ T7330] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 60.873264][ T7330] p9_fcall_init.isra.2+0x55/0x1c0 [ 60.878362][ T7330] p9_client_prepare_req.part.5+0x116/0x670 [ 60.884243][ T7330] p9_client_rpc+0x174/0xe50 [ 60.888805][ T7330] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 60.894589][ T7330] ? p9_client_prepare_req.part.5+0x670/0x670 [ 60.900646][ T7330] ? add_wait_queue+0x107/0x160 [ 60.905472][ T7330] ? p9_pollwait+0x182/0x210 [ 60.910034][ T7330] ? pipe_poll+0x80/0x300 [ 60.914345][ T7330] ? p9_fd_poll+0x19b/0x2a0 [ 60.918833][ T7330] ? p9_conn_create+0x399/0x4e0 [ 60.923661][ T7330] ? p9_conn_create+0x4e0/0x4e0 [ 60.928512][ T7330] p9_client_create+0x7ec/0x10e0 [ 60.933432][ T7330] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 60.939478][ T7330] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 60.944996][ T7330] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 60.951032][ T7330] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 60.956818][ T7330] ? __kmalloc_track_caller+0x60e/0x780 [ 60.962342][ T7330] ? __x64_sys_mount+0x169/0x1c0 [ 60.967263][ T7330] ? do_syscall_64+0xd0/0x600 [ 60.971909][ T7330] ? lockdep_init_map+0x1b6/0x6c0 [ 60.976918][ T7330] v9fs_session_init+0x1ed/0x14c0 [ 60.981921][ T7330] ? v9fs_session_init+0x1ed/0x14c0 [ 60.987093][ T7330] ? find_held_lock+0x36/0x1d0 [ 60.991829][ T7330] ? v9fs_show_options+0x6c0/0x6c0 [ 60.996938][ T7330] ? __kasan_check_read+0x11/0x20 [ 61.001944][ T7330] ? v9fs_mount+0x55/0x7f0 [ 61.006332][ T7330] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.012918][ T7330] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.018973][ T7330] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.024766][ T7330] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.030286][ T7330] ? apparmor_task_alloc+0x2f0/0x2f0 [ 61.035553][ T7330] v9fs_mount+0x72/0x7f0 [ 61.039780][ T7330] ? v9fs_write_inode+0x50/0x50 [ 61.044606][ T7330] legacy_get_tree+0x103/0x1f0 [ 61.049341][ T7330] vfs_get_tree+0x8b/0x2d0 [ 61.053735][ T7330] ? capable+0x14/0x20 [ 61.057785][ T7330] do_mount+0x1270/0x1b60 [ 61.062088][ T7330] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.067618][ T7330] ? copy_mount_string+0x20/0x20 [ 61.072531][ T7330] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.079003][ T7330] ? __kasan_check_write+0x14/0x20 [ 61.084092][ T7330] ? _copy_from_user+0xd6/0x110 [ 61.088932][ T7330] ? __kasan_check_read+0x11/0x20 [ 61.093942][ T7330] ? copy_mount_options+0x77/0x2c0 [ 61.099038][ T7330] __x64_sys_mount+0x169/0x1c0 [ 61.103794][ T7330] do_syscall_64+0xd0/0x600 [ 61.108278][ T7330] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.114154][ T7330] RIP: 0033:0x458da9 [ 61.118029][ T7330] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.137612][ T7330] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.146077][ T7330] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 61.154033][ T7330] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 61.162010][ T7330] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 61.169972][ T7330] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 61.177942][ T7330] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 61.204268][ T7336] FAULT_INJECTION: forcing a failure. [ 61.204268][ T7336] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 61.205761][ T7338] FAULT_INJECTION: forcing a failure. [ 61.205761][ T7338] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 61.217585][ T7336] CPU: 1 PID: 7336 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 61.239310][ T7336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.249340][ T7336] Call Trace: [ 61.252607][ T7336] dump_stack+0x12d/0x187 [ 61.256916][ T7336] should_fail.cold.4+0x5/0x13 [ 61.261653][ T7336] ? kmem_cache_alloc+0x121/0x750 [ 61.266738][ T7336] ? fault_create_debugfs_attr+0x150/0x150 [ 61.272525][ T7336] ? vfs_get_tree+0x8b/0x2d0 [ 61.277088][ T7336] ? do_mount+0x1270/0x1b60 [ 61.281558][ T7336] ? __x64_sys_mount+0x169/0x1c0 [ 61.286465][ T7336] ? do_syscall_64+0xd0/0x600 [ 61.291112][ T7336] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.297153][ T7336] should_fail_alloc_page+0x50/0x60 [ 61.302327][ T7336] __alloc_pages_nodemask+0x17f/0x890 [ 61.307930][ T7336] ? __alloc_pages_slowpath+0x2570/0x2570 [ 61.313633][ T7336] cache_grow_begin+0x92/0xca0 [ 61.318397][ T7336] ? __kmalloc+0xc5/0x790 [ 61.322707][ T7336] ? trace_hardirqs_off+0x41/0x1a0 [ 61.327811][ T7336] __kmalloc+0x6cd/0x790 [ 61.332041][ T7336] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 61.338352][ T7336] p9_fcall_init.isra.2+0x55/0x1c0 [ 61.343443][ T7336] p9_client_prepare_req.part.5+0x96/0x670 [ 61.349227][ T7336] p9_client_rpc+0x174/0xe50 [ 61.353805][ T7336] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 61.359588][ T7336] ? p9_client_prepare_req.part.5+0x670/0x670 [ 61.365627][ T7336] ? add_wait_queue+0x107/0x160 [ 61.370465][ T7336] ? p9_pollwait+0x182/0x210 [ 61.375027][ T7336] ? pipe_poll+0x80/0x300 [ 61.380285][ T7336] ? p9_fd_poll+0x19b/0x2a0 [ 61.384936][ T7336] ? p9_conn_create+0x399/0x4e0 [ 61.389870][ T7336] ? p9_conn_create+0x4e0/0x4e0 [ 61.394706][ T7336] p9_client_create+0x7ec/0x10e0 [ 61.399636][ T7336] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 61.405689][ T7336] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.411230][ T7336] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.417283][ T7336] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.423070][ T7336] ? __kmalloc_track_caller+0x60e/0x780 [ 61.428592][ T7336] ? __x64_sys_mount+0x169/0x1c0 [ 61.433516][ T7336] ? do_syscall_64+0xd0/0x600 [ 61.438174][ T7336] ? lockdep_init_map+0x1b6/0x6c0 [ 61.443176][ T7336] v9fs_session_init+0x1ed/0x14c0 [ 61.448190][ T7336] ? v9fs_session_init+0x1ed/0x14c0 [ 61.453386][ T7336] ? find_held_lock+0x36/0x1d0 [ 61.458145][ T7336] ? v9fs_show_options+0x6c0/0x6c0 [ 61.463233][ T7336] ? __kasan_check_read+0x11/0x20 [ 61.468758][ T7336] ? v9fs_mount+0x55/0x7f0 [ 61.473161][ T7336] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.478683][ T7336] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.484723][ T7336] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.491112][ T7336] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.496634][ T7336] ? apparmor_task_alloc+0x2f0/0x2f0 [ 61.501894][ T7336] v9fs_mount+0x72/0x7f0 [ 61.506109][ T7336] ? v9fs_write_inode+0x50/0x50 [ 61.510943][ T7336] legacy_get_tree+0x103/0x1f0 [ 61.515682][ T7336] vfs_get_tree+0x8b/0x2d0 [ 61.520070][ T7336] ? capable+0x14/0x20 [ 61.524111][ T7336] do_mount+0x1270/0x1b60 [ 61.528412][ T7336] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.533927][ T7336] ? copy_mount_string+0x20/0x20 [ 61.538840][ T7336] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.544368][ T7336] ? __kasan_check_write+0x14/0x20 [ 61.549453][ T7336] ? __kasan_check_read+0x11/0x20 [ 61.554447][ T7336] ? copy_mount_options+0x77/0x2c0 [ 61.559530][ T7336] __x64_sys_mount+0x169/0x1c0 [ 61.564284][ T7336] do_syscall_64+0xd0/0x600 [ 61.568768][ T7336] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.574646][ T7336] RIP: 0033:0x458da9 [ 61.578527][ T7336] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.598122][ T7336] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 61.606521][ T7336] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 61.614465][ T7336] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 61.622420][ T7336] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 61.630380][ T7336] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 61.638329][ T7336] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 61.646295][ T7338] CPU: 0 PID: 7338 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 61.654878][ T7338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.664925][ T7338] Call Trace: [ 61.668221][ T7338] dump_stack+0x12d/0x187 [ 61.672551][ T7338] should_fail.cold.4+0x5/0x13 [ 61.677314][ T7338] ? do_mount+0x1270/0x1b60 [ 61.679027][ T7341] FAULT_INJECTION: forcing a failure. [ 61.679027][ T7341] name failslab, interval 1, probability 0, space 0, times 0 [ 61.681803][ T7338] ? fault_create_debugfs_attr+0x150/0x150 [ 61.700740][ T7338] ? find_held_lock+0x36/0x1d0 [ 61.705502][ T7338] should_fail_alloc_page+0x50/0x60 [ 61.710693][ T7338] __alloc_pages_nodemask+0x17f/0x890 [ 61.716044][ T7338] ? cache_grow_end+0xa8/0x190 [ 61.720784][ T7338] ? __alloc_pages_slowpath+0x2570/0x2570 [ 61.726479][ T7338] ? do_raw_spin_lock+0x132/0x2e0 [ 61.731490][ T7338] cache_grow_begin+0x92/0xca0 [ 61.736229][ T7338] ? __kmalloc+0xc5/0x790 [ 61.740536][ T7338] ? trace_hardirqs_off+0x41/0x1a0 [ 61.745623][ T7338] __kmalloc+0x6cd/0x790 [ 61.749841][ T7338] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 61.755100][ T7338] p9_fcall_init.isra.2+0x55/0x1c0 [ 61.760185][ T7338] p9_client_prepare_req.part.5+0x116/0x670 [ 61.766057][ T7338] p9_client_rpc+0x174/0xe50 [ 61.770623][ T7338] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 61.776412][ T7338] ? p9_client_prepare_req.part.5+0x670/0x670 [ 61.782450][ T7338] ? add_wait_queue+0x107/0x160 [ 61.787293][ T7338] ? p9_pollwait+0x182/0x210 [ 61.791858][ T7338] ? pipe_poll+0x80/0x300 [ 61.796422][ T7338] ? p9_fd_poll+0x19b/0x2a0 [ 61.800896][ T7338] ? p9_conn_create+0x399/0x4e0 [ 61.805722][ T7338] ? p9_conn_create+0x4e0/0x4e0 [ 61.810558][ T7338] p9_client_create+0x7ec/0x10e0 [ 61.815472][ T7338] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 61.821511][ T7338] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.827028][ T7338] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.833063][ T7338] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.838843][ T7338] ? __kmalloc_track_caller+0x60e/0x780 [ 61.844359][ T7338] ? __x64_sys_mount+0x169/0x1c0 [ 61.849266][ T7338] ? do_syscall_64+0xd0/0x600 [ 61.853912][ T7338] ? lockdep_init_map+0x1b6/0x6c0 [ 61.858913][ T7338] v9fs_session_init+0x1ed/0x14c0 [ 61.863906][ T7338] ? v9fs_session_init+0x1ed/0x14c0 [ 61.869078][ T7338] ? find_held_lock+0x36/0x1d0 [ 61.873816][ T7338] ? v9fs_show_options+0x6c0/0x6c0 [ 61.878897][ T7338] ? __kasan_check_read+0x11/0x20 [ 61.883894][ T7338] ? v9fs_mount+0x55/0x7f0 [ 61.888291][ T7338] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.893816][ T7338] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 61.899853][ T7338] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 61.905909][ T7338] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.911428][ T7338] ? apparmor_task_alloc+0x2f0/0x2f0 [ 61.916684][ T7338] v9fs_mount+0x72/0x7f0 [ 61.920902][ T7338] ? v9fs_write_inode+0x50/0x50 [ 61.925722][ T7338] legacy_get_tree+0x103/0x1f0 [ 61.930460][ T7338] vfs_get_tree+0x8b/0x2d0 [ 61.934855][ T7338] ? capable+0x14/0x20 [ 61.938900][ T7338] do_mount+0x1270/0x1b60 [ 61.943199][ T7338] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 61.948715][ T7338] ? copy_mount_string+0x20/0x20 [ 61.953624][ T7338] ? kmem_cache_alloc_trace+0x39e/0x780 [ 61.959148][ T7338] ? __kasan_check_write+0x14/0x20 [ 61.964232][ T7338] ? _copy_from_user+0xd6/0x110 [ 61.969055][ T7338] ? __kasan_check_read+0x11/0x20 [ 61.974067][ T7338] ? copy_mount_options+0x77/0x2c0 [ 61.979152][ T7338] __x64_sys_mount+0x169/0x1c0 [ 61.983893][ T7338] do_syscall_64+0xd0/0x600 [ 61.988459][ T7338] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.995192][ T7338] RIP: 0033:0x458da9 [ 61.999070][ T7338] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.018667][ T7338] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.027054][ T7338] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 62.035019][ T7338] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.042965][ T7338] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 62.050923][ T7338] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 62.058955][ T7338] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.066916][ T7341] CPU: 1 PID: 7341 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 62.075505][ T7341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.078542][ T7343] FAULT_INJECTION: forcing a failure. [ 62.078542][ T7343] name failslab, interval 1, probability 0, space 0, times 0 [ 62.085578][ T7341] Call Trace: [ 62.101683][ T7341] dump_stack+0x12d/0x187 [ 62.105988][ T7341] should_fail.cold.4+0x5/0x13 [ 62.110725][ T7341] ? stack_trace_save+0x82/0xb0 [ 62.115550][ T7341] ? fault_create_debugfs_attr+0x150/0x150 [ 62.121347][ T7341] __should_failslab+0xba/0xf0 [ 62.126346][ T7341] should_failslab+0x9/0x14 [ 62.130826][ T7341] kmem_cache_alloc+0x47/0x750 [ 62.135562][ T7341] ? __x64_sys_mount+0x169/0x1c0 [ 62.140474][ T7341] ? do_syscall_64+0xd0/0x600 [ 62.145145][ T7341] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.151531][ T7341] ? __kasan_check_read+0x11/0x20 [ 62.156528][ T7341] idr_get_free+0x35d/0x880 [ 62.161008][ T7341] ? __kasan_check_read+0x11/0x20 [ 62.166154][ T7341] idr_alloc_u32+0x13a/0x330 [ 62.170734][ T7341] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 62.176262][ T7341] ? mark_held_locks+0x130/0x130 [ 62.181529][ T7341] ? __kasan_check_write+0x14/0x20 [ 62.186714][ T7341] ? do_raw_spin_lock+0x132/0x2e0 [ 62.191718][ T7341] idr_alloc+0x7d/0xc0 [ 62.195777][ T7341] ? idr_alloc_u32+0x330/0x330 [ 62.200540][ T7341] p9_client_prepare_req.part.5+0x571/0x670 [ 62.206419][ T7341] p9_client_rpc+0x174/0xe50 [ 62.210991][ T7341] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 62.216861][ T7341] ? p9_client_prepare_req.part.5+0x670/0x670 [ 62.222906][ T7341] ? add_wait_queue+0x107/0x160 [ 62.227742][ T7341] ? p9_pollwait+0x182/0x210 [ 62.232306][ T7341] ? pipe_poll+0x80/0x300 [ 62.236611][ T7341] ? p9_fd_poll+0x19b/0x2a0 [ 62.241091][ T7341] ? p9_conn_create+0x399/0x4e0 [ 62.245917][ T7341] ? p9_conn_create+0x4e0/0x4e0 [ 62.250748][ T7341] p9_client_create+0x7ec/0x10e0 [ 62.255683][ T7341] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 62.261745][ T7341] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.267267][ T7341] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.273307][ T7341] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.279350][ T7341] ? __kmalloc_track_caller+0x60e/0x780 [ 62.284886][ T7341] ? __x64_sys_mount+0x169/0x1c0 [ 62.289885][ T7341] ? do_syscall_64+0xd0/0x600 [ 62.294559][ T7341] ? lockdep_init_map+0x1b6/0x6c0 [ 62.299563][ T7341] v9fs_session_init+0x1ed/0x14c0 [ 62.304562][ T7341] ? v9fs_session_init+0x1ed/0x14c0 [ 62.310519][ T7341] ? find_held_lock+0x36/0x1d0 [ 62.315692][ T7341] ? v9fs_show_options+0x6c0/0x6c0 [ 62.320781][ T7341] ? __kasan_check_read+0x11/0x20 [ 62.325808][ T7341] ? v9fs_mount+0x55/0x7f0 [ 62.330299][ T7341] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.336422][ T7341] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.342477][ T7341] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.348282][ T7341] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.353814][ T7341] ? apparmor_task_alloc+0x2f0/0x2f0 [ 62.359096][ T7341] v9fs_mount+0x72/0x7f0 [ 62.363318][ T7341] ? v9fs_write_inode+0x50/0x50 [ 62.368233][ T7341] legacy_get_tree+0x103/0x1f0 [ 62.372985][ T7341] vfs_get_tree+0x8b/0x2d0 [ 62.377375][ T7341] ? capable+0x14/0x20 [ 62.381421][ T7341] do_mount+0x1270/0x1b60 [ 62.385735][ T7341] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.391271][ T7341] ? copy_mount_string+0x20/0x20 [ 62.396182][ T7341] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.401713][ T7341] ? __kasan_check_write+0x14/0x20 [ 62.406797][ T7341] ? _copy_from_user+0xd6/0x110 [ 62.411800][ T7341] ? __kasan_check_read+0x11/0x20 [ 62.416997][ T7341] ? copy_mount_options+0x77/0x2c0 [ 62.422519][ T7341] __x64_sys_mount+0x169/0x1c0 [ 62.427258][ T7341] do_syscall_64+0xd0/0x600 [ 62.431734][ T7341] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.437947][ T7341] RIP: 0033:0x458da9 [ 62.441818][ T7341] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.461425][ T7341] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.469816][ T7341] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 62.477864][ T7341] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.485824][ T7341] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 62.494828][ T7341] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 62.502776][ T7341] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.511440][ T7343] CPU: 0 PID: 7343 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 62.520023][ T7343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.530157][ T7343] Call Trace: [ 62.533439][ T7343] dump_stack+0x12d/0x187 [ 62.537758][ T7343] should_fail.cold.4+0x5/0x13 [ 62.537765][ T7343] ? stack_trace_save+0x82/0xb0 [ 62.537772][ T7343] ? fault_create_debugfs_attr+0x150/0x150 [ 62.537787][ T7343] __should_failslab+0xba/0xf0 2019/12/18 21:48:36 executed programs: 19 [ 62.547372][ T7343] should_failslab+0x9/0x14 [ 62.547380][ T7343] kmem_cache_alloc+0x47/0x750 [ 62.547387][ T7343] ? __x64_sys_mount+0x169/0x1c0 [ 62.547393][ T7343] ? do_syscall_64+0xd0/0x600 [ 62.547405][ T7343] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 62.547413][ T7343] ? __kasan_check_read+0x11/0x20 [ 62.572096][ T7343] idr_get_free+0x35d/0x880 [ 62.583235][ T7343] ? __kasan_check_read+0x11/0x20 [ 62.583246][ T7343] idr_alloc_u32+0x13a/0x330 [ 62.583256][ T7343] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 62.583263][ T7343] ? mark_held_locks+0x130/0x130 [ 62.583272][ T7343] ? __kasan_check_write+0x14/0x20 [ 62.583278][ T7343] ? do_raw_spin_lock+0x132/0x2e0 [ 62.610539][ T7351] FAULT_INJECTION: forcing a failure. [ 62.610539][ T7351] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 62.613307][ T7343] idr_alloc+0x7d/0xc0 [ 62.640851][ T7343] ? idr_alloc_u32+0x330/0x330 [ 62.645599][ T7343] p9_client_prepare_req.part.5+0x571/0x670 [ 62.651477][ T7343] p9_client_rpc+0x174/0xe50 [ 62.656044][ T7343] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 62.661821][ T7343] ? p9_client_prepare_req.part.5+0x670/0x670 [ 62.668556][ T7343] ? add_wait_queue+0x107/0x160 [ 62.673381][ T7343] ? p9_pollwait+0x182/0x210 [ 62.677947][ T7343] ? pipe_poll+0x80/0x300 [ 62.682249][ T7343] ? p9_fd_poll+0x19b/0x2a0 [ 62.686739][ T7343] ? p9_conn_create+0x399/0x4e0 [ 62.691564][ T7343] ? p9_conn_create+0x4e0/0x4e0 [ 62.696391][ T7343] p9_client_create+0x7ec/0x10e0 [ 62.701306][ T7343] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 62.707344][ T7343] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.712870][ T7343] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.719438][ T7343] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.725221][ T7343] ? __kmalloc_track_caller+0x60e/0x780 [ 62.730740][ T7343] ? __x64_sys_mount+0x169/0x1c0 [ 62.735741][ T7343] ? do_syscall_64+0xd0/0x600 [ 62.740396][ T7343] ? lockdep_init_map+0x1b6/0x6c0 [ 62.745398][ T7343] v9fs_session_init+0x1ed/0x14c0 [ 62.750407][ T7343] ? v9fs_session_init+0x1ed/0x14c0 [ 62.755666][ T7343] ? find_held_lock+0x36/0x1d0 [ 62.760407][ T7343] ? v9fs_show_options+0x6c0/0x6c0 [ 62.765488][ T7343] ? __kasan_check_read+0x11/0x20 [ 62.770488][ T7343] ? v9fs_mount+0x55/0x7f0 [ 62.774930][ T7343] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.780462][ T7343] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 62.786541][ T7343] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 62.792332][ T7343] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.797856][ T7343] ? apparmor_task_alloc+0x2f0/0x2f0 [ 62.803123][ T7343] v9fs_mount+0x72/0x7f0 [ 62.807342][ T7343] ? v9fs_write_inode+0x50/0x50 [ 62.812170][ T7343] legacy_get_tree+0x103/0x1f0 [ 62.816912][ T7343] vfs_get_tree+0x8b/0x2d0 [ 62.821301][ T7343] ? capable+0x14/0x20 [ 62.825344][ T7343] do_mount+0x1270/0x1b60 [ 62.829652][ T7343] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 62.835171][ T7343] ? copy_mount_string+0x20/0x20 [ 62.840084][ T7343] ? kmem_cache_alloc_trace+0x39e/0x780 [ 62.845775][ T7343] ? __kasan_check_write+0x14/0x20 [ 62.850862][ T7343] ? _copy_from_user+0xd6/0x110 [ 62.858640][ T7343] ? __kasan_check_read+0x11/0x20 [ 62.863638][ T7343] ? copy_mount_options+0x77/0x2c0 [ 62.868722][ T7343] __x64_sys_mount+0x169/0x1c0 [ 62.873547][ T7343] do_syscall_64+0xd0/0x600 [ 62.878028][ T7343] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.883892][ T7343] RIP: 0033:0x458da9 [ 62.887938][ T7343] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 62.907515][ T7343] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 62.915896][ T7343] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 62.923844][ T7343] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 62.931804][ T7343] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 62.939750][ T7343] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 62.947711][ T7343] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 62.955675][ T7351] CPU: 1 PID: 7351 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 62.962608][ T7342] FAULT_INJECTION: forcing a failure. [ 62.962608][ T7342] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 62.964262][ T7351] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.964273][ T7351] Call Trace: [ 62.990988][ T7351] dump_stack+0x12d/0x187 [ 62.995294][ T7351] should_fail.cold.4+0x5/0x13 [ 63.000119][ T7351] ? do_mount+0x1270/0x1b60 [ 63.004597][ T7351] ? fault_create_debugfs_attr+0x150/0x150 [ 63.010375][ T7351] ? find_held_lock+0x36/0x1d0 [ 63.015113][ T7351] should_fail_alloc_page+0x50/0x60 [ 63.020294][ T7351] __alloc_pages_nodemask+0x17f/0x890 [ 63.025640][ T7351] ? cache_grow_end+0xa8/0x190 [ 63.030735][ T7351] ? __alloc_pages_slowpath+0x2570/0x2570 [ 63.036423][ T7351] ? do_raw_spin_lock+0x132/0x2e0 [ 63.041424][ T7351] cache_grow_begin+0x92/0xca0 [ 63.046156][ T7351] ? __kmalloc+0xc5/0x790 [ 63.050457][ T7351] ? trace_hardirqs_off+0x41/0x1a0 [ 63.055540][ T7351] __kmalloc+0x6cd/0x790 [ 63.059763][ T7351] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 63.065020][ T7351] p9_fcall_init.isra.2+0x55/0x1c0 [ 63.070103][ T7351] p9_client_prepare_req.part.5+0x116/0x670 [ 63.075986][ T7351] p9_client_rpc+0x174/0xe50 [ 63.080550][ T7351] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 63.087289][ T7351] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.093325][ T7351] ? add_wait_queue+0x107/0x160 [ 63.098146][ T7351] ? p9_pollwait+0x182/0x210 [ 63.102795][ T7351] ? pipe_poll+0x80/0x300 [ 63.107106][ T7351] ? p9_fd_poll+0x19b/0x2a0 [ 63.111596][ T7351] ? p9_conn_create+0x399/0x4e0 [ 63.116421][ T7351] ? p9_conn_create+0x4e0/0x4e0 [ 63.121250][ T7351] p9_client_create+0x7ec/0x10e0 [ 63.126161][ T7351] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.132196][ T7351] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.137713][ T7351] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.143762][ T7351] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.149540][ T7351] ? __kmalloc_track_caller+0x60e/0x780 [ 63.155056][ T7351] ? __x64_sys_mount+0x169/0x1c0 [ 63.159975][ T7351] ? do_syscall_64+0xd0/0x600 [ 63.164620][ T7351] ? lockdep_init_map+0x1b6/0x6c0 [ 63.169624][ T7351] v9fs_session_init+0x1ed/0x14c0 [ 63.174622][ T7351] ? v9fs_session_init+0x1ed/0x14c0 [ 63.179797][ T7351] ? find_held_lock+0x36/0x1d0 [ 63.184539][ T7351] ? v9fs_show_options+0x6c0/0x6c0 [ 63.189619][ T7351] ? __kasan_check_read+0x11/0x20 [ 63.194616][ T7351] ? v9fs_mount+0x55/0x7f0 [ 63.199005][ T7351] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.204520][ T7351] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.210555][ T7351] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.216332][ T7351] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.221852][ T7351] ? apparmor_task_alloc+0x2f0/0x2f0 [ 63.228061][ T7351] v9fs_mount+0x72/0x7f0 [ 63.232277][ T7351] ? v9fs_write_inode+0x50/0x50 [ 63.237097][ T7351] legacy_get_tree+0x103/0x1f0 [ 63.241836][ T7351] vfs_get_tree+0x8b/0x2d0 [ 63.246221][ T7351] ? capable+0x14/0x20 [ 63.250265][ T7351] do_mount+0x1270/0x1b60 [ 63.254651][ T7351] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.260170][ T7351] ? copy_mount_string+0x20/0x20 [ 63.265079][ T7351] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.270596][ T7351] ? __kasan_check_write+0x14/0x20 [ 63.275677][ T7351] ? _copy_from_user+0xd6/0x110 [ 63.280500][ T7351] ? __kasan_check_read+0x11/0x20 [ 63.285494][ T7351] ? copy_mount_options+0x77/0x2c0 [ 63.290578][ T7351] __x64_sys_mount+0x169/0x1c0 [ 63.295319][ T7351] do_syscall_64+0xd0/0x600 [ 63.299799][ T7351] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.305665][ T7351] RIP: 0033:0x458da9 [ 63.309536][ T7351] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.329388][ T7351] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.337778][ T7351] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 63.345827][ T7351] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 63.353793][ T7351] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 63.361743][ T7351] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 63.369710][ T7351] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 63.377683][ T7342] CPU: 0 PID: 7342 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 63.386268][ T7342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.395012][ T7349] FAULT_INJECTION: forcing a failure. [ 63.395012][ T7349] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 63.396316][ T7342] Call Trace: [ 63.413694][ T7342] dump_stack+0x12d/0x187 [ 63.418000][ T7342] should_fail.cold.4+0x5/0x13 [ 63.422736][ T7342] ? do_mount+0x1270/0x1b60 [ 63.427210][ T7342] ? fault_create_debugfs_attr+0x150/0x150 [ 63.432987][ T7342] ? __schedule+0x85e/0x1910 [ 63.437555][ T7342] should_fail_alloc_page+0x50/0x60 [ 63.442725][ T7342] __alloc_pages_nodemask+0x17f/0x890 [ 63.448070][ T7342] ? __alloc_pages_slowpath+0x2570/0x2570 [ 63.453774][ T7342] cache_grow_begin+0x92/0xca0 [ 63.458507][ T7342] ? __kmalloc+0xc5/0x790 [ 63.462820][ T7342] ? trace_hardirqs_off+0x41/0x1a0 [ 63.467906][ T7342] __kmalloc+0x6cd/0x790 [ 63.472132][ T7342] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 63.477390][ T7342] p9_fcall_init.isra.2+0x55/0x1c0 [ 63.482476][ T7342] p9_client_prepare_req.part.5+0x116/0x670 [ 63.488342][ T7342] p9_client_rpc+0x174/0xe50 [ 63.492904][ T7342] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 63.498680][ T7342] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.504716][ T7342] ? add_wait_queue+0x107/0x160 [ 63.509538][ T7342] ? p9_pollwait+0x182/0x210 [ 63.514099][ T7342] ? pipe_poll+0x80/0x300 [ 63.518400][ T7342] ? p9_fd_poll+0x19b/0x2a0 [ 63.522893][ T7342] ? p9_conn_create+0x399/0x4e0 [ 63.527721][ T7342] ? p9_conn_create+0x4e0/0x4e0 [ 63.532552][ T7342] ? kfree+0x23a/0x2c0 [ 63.536600][ T7342] p9_client_create+0x7ec/0x10e0 [ 63.541518][ T7342] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.547560][ T7342] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.554209][ T7342] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.560250][ T7342] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.566049][ T7342] ? __kmalloc_track_caller+0x60e/0x780 [ 63.571579][ T7342] ? __x64_sys_mount+0x169/0x1c0 [ 63.576497][ T7342] ? do_syscall_64+0xd0/0x600 [ 63.581145][ T7342] ? lockdep_init_map+0x1b6/0x6c0 [ 63.586169][ T7342] v9fs_session_init+0x1ed/0x14c0 [ 63.591272][ T7342] ? v9fs_session_init+0x1ed/0x14c0 [ 63.596459][ T7342] ? find_held_lock+0x36/0x1d0 [ 63.601204][ T7342] ? v9fs_show_options+0x6c0/0x6c0 [ 63.606287][ T7342] ? __kasan_check_read+0x11/0x20 [ 63.611299][ T7342] ? v9fs_mount+0x55/0x7f0 [ 63.615700][ T7342] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.621232][ T7342] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.627289][ T7342] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.633075][ T7342] ? kmem_cache_alloc_trace+0x39e/0x780 [ 63.638596][ T7342] ? apparmor_task_alloc+0x2f0/0x2f0 [ 63.643857][ T7342] v9fs_mount+0x72/0x7f0 [ 63.648076][ T7342] ? v9fs_write_inode+0x50/0x50 [ 63.652901][ T7342] legacy_get_tree+0x103/0x1f0 [ 63.657641][ T7342] vfs_get_tree+0x8b/0x2d0 [ 63.662029][ T7342] ? capable+0x14/0x20 [ 63.666080][ T7342] do_mount+0x1270/0x1b60 [ 63.670381][ T7342] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 63.675820][ T7342] ? copy_mount_string+0x20/0x20 [ 63.680733][ T7342] ? retint_kernel+0x2b/0x2b [ 63.685300][ T7342] ? copy_mount_options+0x1a8/0x2c0 [ 63.690471][ T7342] __x64_sys_mount+0x169/0x1c0 [ 63.695210][ T7342] do_syscall_64+0xd0/0x600 [ 63.699687][ T7342] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.705549][ T7342] RIP: 0033:0x458da9 [ 63.709427][ T7342] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.729004][ T7342] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 63.737384][ T7342] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 63.745327][ T7342] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 63.753270][ T7342] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 63.761212][ T7342] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 63.769157][ T7342] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 63.777120][ T7349] CPU: 1 PID: 7349 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 63.785700][ T7349] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.795744][ T7349] Call Trace: [ 63.799027][ T7349] dump_stack+0x12d/0x187 [ 63.803353][ T7349] should_fail.cold.4+0x5/0x13 [ 63.808374][ T7349] ? do_mount+0x1270/0x1b60 [ 63.812869][ T7349] ? fault_create_debugfs_attr+0x150/0x150 [ 63.818671][ T7349] ? find_held_lock+0x36/0x1d0 [ 63.820626][ T7333] FAULT_INJECTION: forcing a failure. [ 63.820626][ T7333] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 63.823424][ T7349] should_fail_alloc_page+0x50/0x60 [ 63.841772][ T7349] __alloc_pages_nodemask+0x17f/0x890 [ 63.847138][ T7349] ? cache_grow_end+0xa8/0x190 [ 63.851905][ T7349] ? __alloc_pages_slowpath+0x2570/0x2570 [ 63.857615][ T7349] ? do_raw_spin_lock+0x132/0x2e0 [ 63.862625][ T7349] cache_grow_begin+0x92/0xca0 [ 63.867371][ T7349] ? __kmalloc+0xc5/0x790 [ 63.871682][ T7349] ? trace_hardirqs_off+0x41/0x1a0 [ 63.876777][ T7349] __kmalloc+0x6cd/0x790 [ 63.880997][ T7349] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 63.886258][ T7349] p9_fcall_init.isra.2+0x55/0x1c0 [ 63.891363][ T7349] p9_client_prepare_req.part.5+0x116/0x670 [ 63.897235][ T7349] p9_client_rpc+0x174/0xe50 [ 63.901801][ T7349] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 63.907577][ T7349] ? p9_client_prepare_req.part.5+0x670/0x670 [ 63.913630][ T7349] ? add_wait_queue+0x107/0x160 [ 63.918461][ T7349] ? p9_pollwait+0x182/0x210 [ 63.923038][ T7349] ? pipe_poll+0x80/0x300 [ 63.927395][ T7349] ? p9_fd_poll+0x19b/0x2a0 [ 63.931910][ T7349] ? p9_conn_create+0x399/0x4e0 [ 63.936740][ T7349] ? p9_conn_create+0x4e0/0x4e0 [ 63.942456][ T7349] p9_client_create+0x7ec/0x10e0 [ 63.947398][ T7349] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 63.953457][ T7349] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 63.958978][ T7349] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 63.965022][ T7349] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 63.970832][ T7349] ? __kmalloc_track_caller+0x60e/0x780 [ 63.976373][ T7349] ? __x64_sys_mount+0x169/0x1c0 [ 63.981291][ T7349] ? do_syscall_64+0xd0/0x600 [ 63.985951][ T7349] ? lockdep_init_map+0x1b6/0x6c0 [ 63.990973][ T7349] v9fs_session_init+0x1ed/0x14c0 [ 63.995991][ T7349] ? v9fs_session_init+0x1ed/0x14c0 [ 64.001173][ T7349] ? find_held_lock+0x36/0x1d0 [ 64.005937][ T7349] ? v9fs_show_options+0x6c0/0x6c0 [ 64.011025][ T7349] ? __kasan_check_read+0x11/0x20 [ 64.016027][ T7349] ? v9fs_mount+0x55/0x7f0 [ 64.020432][ T7349] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.025957][ T7349] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.032014][ T7349] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.037822][ T7349] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.043363][ T7349] ? apparmor_task_alloc+0x2f0/0x2f0 [ 64.048633][ T7349] v9fs_mount+0x72/0x7f0 [ 64.052867][ T7349] ? v9fs_write_inode+0x50/0x50 [ 64.057700][ T7349] legacy_get_tree+0x103/0x1f0 [ 64.062460][ T7349] vfs_get_tree+0x8b/0x2d0 [ 64.066878][ T7349] ? capable+0x14/0x20 [ 64.070930][ T7349] do_mount+0x1270/0x1b60 [ 64.075250][ T7349] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 64.080701][ T7349] ? copy_mount_string+0x20/0x20 [ 64.085626][ T7349] ? retint_kernel+0x2b/0x2b [ 64.090211][ T7349] ? copy_mount_options+0x16e/0x2c0 [ 64.095403][ T7349] __x64_sys_mount+0x169/0x1c0 [ 64.100152][ T7349] do_syscall_64+0xd0/0x600 [ 64.104653][ T7349] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.110539][ T7349] RIP: 0033:0x458da9 [ 64.114692][ T7349] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.134281][ T7349] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.142667][ T7349] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 64.150617][ T7349] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 64.158587][ T7349] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 64.166653][ T7349] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 64.174624][ T7349] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 64.183200][ T7333] CPU: 0 PID: 7333 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 64.191785][ T7333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.201830][ T7333] Call Trace: [ 64.201842][ T7333] dump_stack+0x12d/0x187 [ 64.201852][ T7333] should_fail.cold.4+0x5/0x13 [ 64.201858][ T7333] ? do_mount+0x1270/0x1b60 [ 64.201865][ T7333] ? fault_create_debugfs_attr+0x150/0x150 [ 64.201878][ T7333] ? find_held_lock+0x36/0x1d0 [ 64.214384][ T7333] should_fail_alloc_page+0x50/0x60 [ 64.214392][ T7333] __alloc_pages_nodemask+0x17f/0x890 [ 64.214398][ T7333] ? cache_grow_end+0xa8/0x190 [ 64.214405][ T7333] ? __alloc_pages_slowpath+0x2570/0x2570 [ 64.214411][ T7333] ? do_raw_spin_lock+0x132/0x2e0 [ 64.214424][ T7333] cache_grow_begin+0x92/0xca0 [ 64.224952][ T7333] ? __kmalloc+0xc5/0x790 [ 64.224961][ T7333] ? trace_hardirqs_off+0x41/0x1a0 [ 64.224968][ T7333] __kmalloc+0x6cd/0x790 [ 64.224979][ T7333] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 64.224987][ T7333] p9_fcall_init.isra.2+0x55/0x1c0 [ 64.224994][ T7333] p9_client_prepare_req.part.5+0x116/0x670 [ 64.225004][ T7333] p9_client_rpc+0x174/0xe50 [ 64.234924][ T7333] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 64.234930][ T7333] ? p9_client_prepare_req.part.5+0x670/0x670 [ 64.234936][ T7333] ? add_wait_queue+0x107/0x160 [ 64.234944][ T7333] ? p9_pollwait+0x182/0x210 [ 64.234952][ T7333] ? pipe_poll+0x80/0x300 [ 64.234959][ T7333] ? p9_fd_poll+0x19b/0x2a0 [ 64.234967][ T7333] ? p9_conn_create+0x399/0x4e0 [ 64.245066][ T7333] ? p9_conn_create+0x4e0/0x4e0 [ 64.245079][ T7333] p9_client_create+0x7ec/0x10e0 [ 64.245091][ T7333] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 64.245097][ T7333] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.245102][ T7333] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.245108][ T7333] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.245117][ T7333] ? __kmalloc_track_caller+0x60e/0x780 [ 64.255805][ T7333] ? __x64_sys_mount+0x169/0x1c0 [ 64.255812][ T7333] ? do_syscall_64+0xd0/0x600 [ 64.255816][ T7333] ? lockdep_init_map+0x1b6/0x6c0 [ 64.255829][ T7333] v9fs_session_init+0x1ed/0x14c0 [ 64.255835][ T7333] ? v9fs_session_init+0x1ed/0x14c0 [ 64.294973][ T7333] ? retint_kernel+0x2b/0x2b [ 64.294991][ T7333] ? v9fs_show_options+0x6c0/0x6c0 [ 64.294998][ T7333] ? __kasan_check_read+0x11/0x20 [ 64.295006][ T7333] ? v9fs_mount+0x55/0x7f0 [ 64.295013][ T7333] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.295019][ T7333] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.306844][ T7333] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.306856][ T7333] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.306864][ T7333] ? apparmor_task_alloc+0x2f0/0x2f0 [ 64.306873][ T7333] v9fs_mount+0x72/0x7f0 [ 64.306881][ T7333] ? v9fs_write_inode+0x50/0x50 [ 64.306889][ T7333] legacy_get_tree+0x103/0x1f0 [ 64.317519][ T7361] FAULT_INJECTION: forcing a failure. [ 64.317519][ T7361] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.320601][ T7333] vfs_get_tree+0x8b/0x2d0 [ 64.473583][ T7333] ? capable+0x14/0x20 [ 64.478413][ T7333] do_mount+0x1270/0x1b60 [ 64.482715][ T7333] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.488233][ T7333] ? copy_mount_string+0x20/0x20 [ 64.493145][ T7333] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.498661][ T7333] ? __kasan_check_write+0x14/0x20 [ 64.503742][ T7333] ? _copy_from_user+0xd6/0x110 [ 64.508565][ T7333] ? __kasan_check_read+0x11/0x20 [ 64.513561][ T7333] ? copy_mount_options+0x77/0x2c0 [ 64.518644][ T7333] __x64_sys_mount+0x169/0x1c0 [ 64.523393][ T7333] do_syscall_64+0xd0/0x600 [ 64.527869][ T7333] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.533732][ T7333] RIP: 0033:0x458da9 [ 64.537599][ T7333] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.557262][ T7333] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.565643][ T7333] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 64.573588][ T7333] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 64.581531][ T7333] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 64.589561][ T7333] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 64.597521][ T7333] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 64.605481][ T7361] CPU: 1 PID: 7361 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 64.614064][ T7361] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.624120][ T7361] Call Trace: [ 64.626648][ T7367] FAULT_INJECTION: forcing a failure. [ 64.626648][ T7367] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.627408][ T7361] dump_stack+0x12d/0x187 [ 64.644888][ T7361] should_fail.cold.4+0x5/0x13 [ 64.649624][ T7361] ? do_mount+0x1270/0x1b60 [ 64.654107][ T7361] ? fault_create_debugfs_attr+0x150/0x150 [ 64.659886][ T7361] ? find_held_lock+0x36/0x1d0 [ 64.664627][ T7361] should_fail_alloc_page+0x50/0x60 [ 64.669796][ T7361] __alloc_pages_nodemask+0x17f/0x890 [ 64.675141][ T7361] ? cache_grow_end+0xa8/0x190 [ 64.679878][ T7361] ? __alloc_pages_slowpath+0x2570/0x2570 [ 64.685582][ T7361] ? do_raw_spin_lock+0x132/0x2e0 [ 64.690597][ T7361] cache_grow_begin+0x92/0xca0 [ 64.695349][ T7361] ? __kmalloc+0xc5/0x790 [ 64.699661][ T7361] ? trace_hardirqs_off+0x41/0x1a0 [ 64.705193][ T7361] __kmalloc+0x6cd/0x790 [ 64.709426][ T7361] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 64.714689][ T7361] p9_fcall_init.isra.2+0x55/0x1c0 [ 64.719779][ T7361] p9_client_prepare_req.part.5+0x116/0x670 [ 64.725666][ T7361] p9_client_rpc+0x174/0xe50 [ 64.730235][ T7361] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 64.736017][ T7361] ? p9_client_prepare_req.part.5+0x670/0x670 [ 64.742056][ T7361] ? add_wait_queue+0x107/0x160 [ 64.746883][ T7361] ? p9_pollwait+0x182/0x210 [ 64.751448][ T7361] ? pipe_poll+0x80/0x300 [ 64.755753][ T7361] ? p9_fd_poll+0x19b/0x2a0 [ 64.760237][ T7361] ? p9_conn_create+0x399/0x4e0 [ 64.765059][ T7361] ? p9_conn_create+0x4e0/0x4e0 [ 64.769888][ T7361] p9_client_create+0x7ec/0x10e0 [ 64.774812][ T7361] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 64.780847][ T7361] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.786503][ T7361] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.792551][ T7361] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.798332][ T7361] ? __kmalloc_track_caller+0x60e/0x780 [ 64.803849][ T7361] ? __x64_sys_mount+0x169/0x1c0 [ 64.808755][ T7361] ? do_syscall_64+0xd0/0x600 [ 64.813401][ T7361] ? lockdep_init_map+0x1b6/0x6c0 [ 64.818401][ T7361] v9fs_session_init+0x1ed/0x14c0 [ 64.823393][ T7361] ? v9fs_session_init+0x1ed/0x14c0 [ 64.828564][ T7361] ? find_held_lock+0x36/0x1d0 [ 64.833309][ T7361] ? v9fs_show_options+0x6c0/0x6c0 [ 64.838391][ T7361] ? __kasan_check_read+0x11/0x20 [ 64.843390][ T7361] ? v9fs_mount+0x55/0x7f0 [ 64.847776][ T7361] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.853301][ T7361] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 64.859348][ T7361] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 64.865129][ T7361] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.870650][ T7361] ? apparmor_task_alloc+0x2f0/0x2f0 [ 64.875917][ T7361] v9fs_mount+0x72/0x7f0 [ 64.880143][ T7361] ? v9fs_write_inode+0x50/0x50 [ 64.884965][ T7361] legacy_get_tree+0x103/0x1f0 [ 64.889703][ T7361] vfs_get_tree+0x8b/0x2d0 [ 64.894105][ T7361] ? capable+0x14/0x20 [ 64.898151][ T7361] do_mount+0x1270/0x1b60 [ 64.902452][ T7361] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 64.907984][ T7361] ? copy_mount_string+0x20/0x20 [ 64.912893][ T7361] ? kmem_cache_alloc_trace+0x39e/0x780 [ 64.918430][ T7361] ? __kasan_check_write+0x14/0x20 [ 64.923539][ T7361] ? _copy_from_user+0xd6/0x110 [ 64.928381][ T7361] ? __kasan_check_read+0x11/0x20 [ 64.933387][ T7361] ? copy_mount_options+0x77/0x2c0 [ 64.938481][ T7361] __x64_sys_mount+0x169/0x1c0 [ 64.943233][ T7361] do_syscall_64+0xd0/0x600 [ 64.947722][ T7361] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.953591][ T7361] RIP: 0033:0x458da9 [ 64.957461][ T7361] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.977037][ T7361] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 64.985419][ T7361] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 64.993364][ T7361] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.001308][ T7361] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.009254][ T7361] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 65.017203][ T7361] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.025169][ T7367] CPU: 0 PID: 7367 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 65.033753][ T7367] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.044834][ T7367] Call Trace: [ 65.044846][ T7367] dump_stack+0x12d/0x187 [ 65.044857][ T7367] should_fail.cold.4+0x5/0x13 [ 65.044866][ T7367] ? do_mount+0x1270/0x1b60 [ 65.052700][ T7367] ? fault_create_debugfs_attr+0x150/0x150 [ 65.052711][ T7367] ? find_held_lock+0x36/0x1d0 [ 65.052720][ T7367] should_fail_alloc_page+0x50/0x60 [ 65.052726][ T7367] __alloc_pages_nodemask+0x17f/0x890 [ 65.083113][ T7367] ? cache_grow_end+0xa8/0x190 [ 65.087868][ T7367] ? __alloc_pages_slowpath+0x2570/0x2570 [ 65.093560][ T7367] ? do_raw_spin_lock+0x132/0x2e0 [ 65.093576][ T7367] cache_grow_begin+0x92/0xca0 [ 65.093580][ T7367] ? __kmalloc+0xc5/0x790 [ 65.093587][ T7367] ? trace_hardirqs_off+0x41/0x1a0 [ 65.093596][ T7367] __kmalloc+0x6cd/0x790 [ 65.110415][ T7374] FAULT_INJECTION: forcing a failure. [ 65.110415][ T7374] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.112745][ T7367] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 65.135366][ T7367] p9_fcall_init.isra.2+0x55/0x1c0 [ 65.140467][ T7367] p9_client_prepare_req.part.5+0x116/0x670 [ 65.146335][ T7367] p9_client_rpc+0x174/0xe50 [ 65.150898][ T7367] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 65.156784][ T7367] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.162842][ T7367] ? add_wait_queue+0x107/0x160 [ 65.167677][ T7367] ? p9_pollwait+0x182/0x210 [ 65.172251][ T7367] ? pipe_poll+0x80/0x300 [ 65.176555][ T7367] ? p9_fd_poll+0x19b/0x2a0 [ 65.181029][ T7367] ? p9_conn_create+0x399/0x4e0 [ 65.185853][ T7367] ? p9_conn_create+0x4e0/0x4e0 [ 65.190679][ T7367] p9_client_create+0x7ec/0x10e0 [ 65.195599][ T7367] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 65.201645][ T7367] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.207250][ T7367] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.213288][ T7367] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.219080][ T7367] ? __kmalloc_track_caller+0x60e/0x780 [ 65.224597][ T7367] ? __x64_sys_mount+0x169/0x1c0 [ 65.229504][ T7367] ? do_syscall_64+0xd0/0x600 [ 65.234170][ T7367] ? lockdep_init_map+0x1b6/0x6c0 [ 65.239174][ T7367] v9fs_session_init+0x1ed/0x14c0 [ 65.244172][ T7367] ? v9fs_session_init+0x1ed/0x14c0 [ 65.249344][ T7367] ? find_held_lock+0x36/0x1d0 [ 65.254086][ T7367] ? v9fs_show_options+0x6c0/0x6c0 [ 65.259170][ T7367] ? __kasan_check_read+0x11/0x20 [ 65.264172][ T7367] ? v9fs_mount+0x55/0x7f0 [ 65.268558][ T7367] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.274072][ T7367] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.280108][ T7367] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.286591][ T7367] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.292111][ T7367] ? apparmor_task_alloc+0x2f0/0x2f0 [ 65.297367][ T7367] v9fs_mount+0x72/0x7f0 [ 65.301584][ T7367] ? v9fs_write_inode+0x50/0x50 [ 65.306407][ T7367] legacy_get_tree+0x103/0x1f0 [ 65.311141][ T7367] vfs_get_tree+0x8b/0x2d0 [ 65.315531][ T7367] ? capable+0x14/0x20 [ 65.319590][ T7367] do_mount+0x1270/0x1b60 [ 65.323911][ T7367] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.329437][ T7367] ? copy_mount_string+0x20/0x20 [ 65.334353][ T7367] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.339894][ T7367] ? __kasan_check_write+0x14/0x20 [ 65.344991][ T7367] ? _copy_from_user+0xd6/0x110 [ 65.350092][ T7367] ? __kasan_check_read+0x11/0x20 [ 65.355092][ T7367] ? copy_mount_options+0x77/0x2c0 [ 65.360185][ T7367] __x64_sys_mount+0x169/0x1c0 [ 65.364925][ T7367] do_syscall_64+0xd0/0x600 [ 65.369405][ T7367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.375277][ T7367] RIP: 0033:0x458da9 [ 65.379147][ T7367] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.398722][ T7367] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.407104][ T7367] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 65.415049][ T7367] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.422992][ T7367] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.430941][ T7367] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 65.439408][ T7367] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.447369][ T7374] CPU: 1 PID: 7374 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 65.452750][ T7365] FAULT_INJECTION: forcing a failure. [ 65.452750][ T7365] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.456038][ T7374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.479262][ T7374] Call Trace: [ 65.482533][ T7374] dump_stack+0x12d/0x187 [ 65.486837][ T7374] should_fail.cold.4+0x5/0x13 [ 65.491588][ T7374] ? do_mount+0x1270/0x1b60 [ 65.496070][ T7374] ? fault_create_debugfs_attr+0x150/0x150 [ 65.505151][ T7374] ? find_held_lock+0x36/0x1d0 [ 65.509889][ T7374] should_fail_alloc_page+0x50/0x60 [ 65.515057][ T7374] __alloc_pages_nodemask+0x17f/0x890 [ 65.520401][ T7374] ? cache_grow_end+0xa8/0x190 [ 65.525139][ T7374] ? __alloc_pages_slowpath+0x2570/0x2570 [ 65.530836][ T7374] ? do_raw_spin_lock+0x132/0x2e0 [ 65.535943][ T7374] cache_grow_begin+0x92/0xca0 [ 65.540676][ T7374] ? __kmalloc+0xc5/0x790 [ 65.544975][ T7374] ? trace_hardirqs_off+0x41/0x1a0 [ 65.550059][ T7374] __kmalloc+0x6cd/0x790 [ 65.554273][ T7374] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 65.559529][ T7374] p9_fcall_init.isra.2+0x55/0x1c0 [ 65.564623][ T7374] p9_client_prepare_req.part.5+0x116/0x670 [ 65.570491][ T7374] p9_client_rpc+0x174/0xe50 [ 65.575056][ T7374] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 65.580839][ T7374] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.586875][ T7374] ? add_wait_queue+0x107/0x160 [ 65.591704][ T7374] ? p9_pollwait+0x182/0x210 [ 65.596269][ T7374] ? pipe_poll+0x80/0x300 [ 65.600571][ T7374] ? p9_fd_poll+0x19b/0x2a0 [ 65.605046][ T7374] ? p9_conn_create+0x399/0x4e0 [ 65.609872][ T7374] ? p9_conn_create+0x4e0/0x4e0 [ 65.614697][ T7374] p9_client_create+0x7ec/0x10e0 [ 65.619618][ T7374] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 65.625656][ T7374] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.631171][ T7374] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.637207][ T7374] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.642994][ T7374] ? __kmalloc_track_caller+0x60e/0x780 [ 65.648509][ T7374] ? __x64_sys_mount+0x169/0x1c0 [ 65.653417][ T7374] ? do_syscall_64+0xd0/0x600 [ 65.658064][ T7374] ? lockdep_init_map+0x1b6/0x6c0 [ 65.663065][ T7374] v9fs_session_init+0x1ed/0x14c0 [ 65.668059][ T7374] ? v9fs_session_init+0x1ed/0x14c0 [ 65.673228][ T7374] ? find_held_lock+0x36/0x1d0 [ 65.677967][ T7374] ? v9fs_show_options+0x6c0/0x6c0 [ 65.683050][ T7374] ? __kasan_check_read+0x11/0x20 [ 65.688058][ T7374] ? v9fs_mount+0x55/0x7f0 [ 65.692447][ T7374] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.698160][ T7374] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 65.704209][ T7374] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 65.709996][ T7374] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.715534][ T7374] ? apparmor_task_alloc+0x2f0/0x2f0 [ 65.720807][ T7374] v9fs_mount+0x72/0x7f0 [ 65.725040][ T7374] ? v9fs_write_inode+0x50/0x50 [ 65.729870][ T7374] legacy_get_tree+0x103/0x1f0 [ 65.734613][ T7374] vfs_get_tree+0x8b/0x2d0 [ 65.739004][ T7374] ? capable+0x14/0x20 [ 65.743047][ T7374] do_mount+0x1270/0x1b60 [ 65.747349][ T7374] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 65.752865][ T7374] ? copy_mount_string+0x20/0x20 [ 65.757797][ T7374] ? kmem_cache_alloc_trace+0x39e/0x780 [ 65.763336][ T7374] ? __kasan_check_read+0x11/0x20 [ 65.768355][ T7374] ? copy_mount_options+0x77/0x2c0 [ 65.773456][ T7374] __x64_sys_mount+0x169/0x1c0 [ 65.778201][ T7374] do_syscall_64+0xd0/0x600 [ 65.782682][ T7374] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.788902][ T7374] RIP: 0033:0x458da9 [ 65.792781][ T7374] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.812357][ T7374] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 65.820746][ T7374] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 65.828691][ T7374] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 65.836641][ T7374] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 65.844588][ T7374] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 65.852540][ T7374] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 65.860515][ T7365] CPU: 0 PID: 7365 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 65.869097][ T7365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.879146][ T7365] Call Trace: [ 65.880699][ T7377] FAULT_INJECTION: forcing a failure. [ 65.880699][ T7377] name failslab, interval 1, probability 0, space 0, times 0 [ 65.882424][ T7365] dump_stack+0x12d/0x187 [ 65.899281][ T7365] should_fail.cold.4+0x5/0x13 [ 65.904032][ T7365] ? do_mount+0x1270/0x1b60 [ 65.908947][ T7365] ? fault_create_debugfs_attr+0x150/0x150 [ 65.915507][ T7365] ? find_held_lock+0x36/0x1d0 [ 65.920246][ T7365] should_fail_alloc_page+0x50/0x60 [ 65.925419][ T7365] __alloc_pages_nodemask+0x17f/0x890 [ 65.930762][ T7365] ? cache_grow_end+0xa8/0x190 [ 65.935503][ T7365] ? __alloc_pages_slowpath+0x2570/0x2570 [ 65.941191][ T7365] ? do_raw_spin_lock+0x132/0x2e0 [ 65.946200][ T7365] cache_grow_begin+0x92/0xca0 [ 65.951905][ T7365] ? __kmalloc+0xc5/0x790 [ 65.956207][ T7365] ? trace_hardirqs_off+0x41/0x1a0 [ 65.961290][ T7365] __kmalloc+0x6cd/0x790 [ 65.965506][ T7365] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 65.972066][ T7365] p9_fcall_init.isra.2+0x55/0x1c0 [ 65.977174][ T7365] p9_client_prepare_req.part.5+0x116/0x670 [ 65.983046][ T7365] p9_client_rpc+0x174/0xe50 [ 65.987630][ T7365] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 65.993428][ T7365] ? p9_client_prepare_req.part.5+0x670/0x670 [ 65.999472][ T7365] ? add_wait_queue+0x107/0x160 [ 66.004301][ T7365] ? p9_pollwait+0x182/0x210 [ 66.008870][ T7365] ? pipe_poll+0x80/0x300 [ 66.013189][ T7365] ? p9_fd_poll+0x19b/0x2a0 [ 66.018624][ T7365] ? p9_conn_create+0x399/0x4e0 [ 66.023449][ T7365] ? p9_conn_create+0x4e0/0x4e0 [ 66.028276][ T7365] p9_client_create+0x7ec/0x10e0 [ 66.033190][ T7365] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.039227][ T7365] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.044744][ T7365] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.050782][ T7365] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.056566][ T7365] ? __kmalloc_track_caller+0x60e/0x780 [ 66.063073][ T7365] ? __x64_sys_mount+0x169/0x1c0 [ 66.067983][ T7365] ? do_syscall_64+0xd0/0x600 [ 66.072631][ T7365] ? lockdep_init_map+0x1b6/0x6c0 [ 66.077648][ T7365] v9fs_session_init+0x1ed/0x14c0 [ 66.082643][ T7365] ? v9fs_session_init+0x1ed/0x14c0 [ 66.087814][ T7365] ? find_held_lock+0x36/0x1d0 [ 66.092551][ T7365] ? v9fs_show_options+0x6c0/0x6c0 [ 66.097636][ T7365] ? __kasan_check_read+0x11/0x20 [ 66.102634][ T7365] ? v9fs_mount+0x55/0x7f0 [ 66.107029][ T7365] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.112559][ T7365] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.118600][ T7365] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.124398][ T7365] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.129931][ T7365] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.135199][ T7365] v9fs_mount+0x72/0x7f0 [ 66.139414][ T7365] ? v9fs_write_inode+0x50/0x50 [ 66.144235][ T7365] legacy_get_tree+0x103/0x1f0 [ 66.148977][ T7365] vfs_get_tree+0x8b/0x2d0 [ 66.153365][ T7365] ? capable+0x14/0x20 [ 66.157406][ T7365] do_mount+0x1270/0x1b60 [ 66.161704][ T7365] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.167253][ T7365] ? copy_mount_string+0x20/0x20 [ 66.172173][ T7365] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.177693][ T7365] ? __kasan_check_write+0x14/0x20 [ 66.182778][ T7365] ? _copy_from_user+0xd6/0x110 [ 66.187610][ T7365] ? __kasan_check_read+0x11/0x20 [ 66.192609][ T7365] ? copy_mount_options+0x77/0x2c0 [ 66.197694][ T7365] __x64_sys_mount+0x169/0x1c0 [ 66.202447][ T7365] do_syscall_64+0xd0/0x600 [ 66.206924][ T7365] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.213146][ T7365] RIP: 0033:0x458da9 [ 66.217013][ T7365] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.236676][ T7365] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.245325][ T7365] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 66.253271][ T7365] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 66.261215][ T7365] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 66.269159][ T7365] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 66.277105][ T7365] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 66.285068][ T7377] CPU: 1 PID: 7377 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 66.293657][ T7377] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.299790][ T7363] FAULT_INJECTION: forcing a failure. [ 66.299790][ T7363] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 66.303712][ T7377] Call Trace: [ 66.320162][ T7377] dump_stack+0x12d/0x187 [ 66.324477][ T7377] should_fail.cold.4+0x5/0x13 [ 66.329234][ T7377] ? stack_trace_save+0x82/0xb0 [ 66.334076][ T7377] ? fault_create_debugfs_attr+0x150/0x150 [ 66.339865][ T7377] __should_failslab+0xba/0xf0 [ 66.344608][ T7377] should_failslab+0x9/0x14 [ 66.349090][ T7377] kmem_cache_alloc+0x47/0x750 [ 66.353914][ T7377] ? __x64_sys_mount+0x169/0x1c0 [ 66.358827][ T7377] ? do_syscall_64+0xd0/0x600 [ 66.363492][ T7377] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 66.369877][ T7377] ? __kasan_check_read+0x11/0x20 [ 66.374884][ T7377] idr_get_free+0x35d/0x880 [ 66.379366][ T7377] ? __kasan_check_read+0x11/0x20 [ 66.384363][ T7377] idr_alloc_u32+0x13a/0x330 [ 66.388928][ T7377] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 66.394442][ T7377] ? mark_held_locks+0x130/0x130 [ 66.399354][ T7377] ? __kasan_check_write+0x14/0x20 [ 66.404435][ T7377] ? do_raw_spin_lock+0x132/0x2e0 [ 66.409431][ T7377] idr_alloc+0x7d/0xc0 [ 66.413473][ T7377] ? idr_alloc_u32+0x330/0x330 [ 66.418212][ T7377] p9_client_prepare_req.part.5+0x571/0x670 [ 66.424081][ T7377] p9_client_rpc+0x174/0xe50 [ 66.428646][ T7377] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 66.434425][ T7377] ? p9_client_prepare_req.part.5+0x670/0x670 [ 66.440460][ T7377] ? add_wait_queue+0x107/0x160 [ 66.445294][ T7377] ? p9_pollwait+0x182/0x210 [ 66.450028][ T7377] ? pipe_poll+0x80/0x300 [ 66.454328][ T7377] ? p9_fd_poll+0x19b/0x2a0 [ 66.458813][ T7377] ? p9_conn_create+0x399/0x4e0 [ 66.463650][ T7377] ? p9_conn_create+0x4e0/0x4e0 [ 66.468477][ T7377] p9_client_create+0x7ec/0x10e0 [ 66.473400][ T7377] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.479439][ T7377] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.484966][ T7377] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.491002][ T7377] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.496784][ T7377] ? __kmalloc_track_caller+0x60e/0x780 [ 66.502301][ T7377] ? __x64_sys_mount+0x169/0x1c0 [ 66.507208][ T7377] ? do_syscall_64+0xd0/0x600 [ 66.511856][ T7377] ? lockdep_init_map+0x1b6/0x6c0 [ 66.516891][ T7377] v9fs_session_init+0x1ed/0x14c0 [ 66.521986][ T7377] ? v9fs_session_init+0x1ed/0x14c0 [ 66.527260][ T7377] ? find_held_lock+0x36/0x1d0 [ 66.534518][ T7377] ? v9fs_show_options+0x6c0/0x6c0 [ 66.539617][ T7377] ? __kasan_check_read+0x11/0x20 [ 66.544623][ T7377] ? v9fs_mount+0x55/0x7f0 [ 66.549014][ T7377] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.554543][ T7377] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.560586][ T7377] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.566368][ T7377] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.571888][ T7377] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.577155][ T7377] v9fs_mount+0x72/0x7f0 [ 66.581370][ T7377] ? v9fs_write_inode+0x50/0x50 [ 66.586194][ T7377] legacy_get_tree+0x103/0x1f0 [ 66.590934][ T7377] vfs_get_tree+0x8b/0x2d0 [ 66.595318][ T7377] ? capable+0x14/0x20 [ 66.599362][ T7377] do_mount+0x1270/0x1b60 [ 66.603664][ T7377] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.609182][ T7377] ? copy_mount_string+0x20/0x20 [ 66.614093][ T7377] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.619607][ T7377] ? __kasan_check_write+0x14/0x20 [ 66.624689][ T7377] ? _copy_from_user+0xd6/0x110 [ 66.629512][ T7377] ? __kasan_check_read+0x11/0x20 [ 66.634506][ T7377] ? copy_mount_options+0x77/0x2c0 [ 66.639592][ T7377] __x64_sys_mount+0x169/0x1c0 [ 66.644329][ T7377] do_syscall_64+0xd0/0x600 [ 66.648805][ T7377] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.654667][ T7377] RIP: 0033:0x458da9 [ 66.658535][ T7377] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.678720][ T7377] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 66.687103][ T7377] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 66.695048][ T7377] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 66.702994][ T7377] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 66.710938][ T7377] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 66.718883][ T7377] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 66.726849][ T7363] CPU: 0 PID: 7363 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 66.735435][ T7363] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.745605][ T7363] Call Trace: [ 66.748889][ T7363] dump_stack+0x12d/0x187 [ 66.753211][ T7363] should_fail.cold.4+0x5/0x13 [ 66.757959][ T7363] ? do_mount+0x1270/0x1b60 [ 66.757969][ T7363] ? fault_create_debugfs_attr+0x150/0x150 [ 66.757980][ T7363] ? find_held_lock+0x36/0x1d0 [ 66.757990][ T7363] should_fail_alloc_page+0x50/0x60 [ 66.757997][ T7363] __alloc_pages_nodemask+0x17f/0x890 [ 66.765526][ T7382] FAULT_INJECTION: forcing a failure. [ 66.765526][ T7382] name failslab, interval 1, probability 0, space 0, times 0 [ 66.768296][ T7363] ? cache_grow_end+0xa8/0x190 [ 66.768305][ T7363] ? __alloc_pages_slowpath+0x2570/0x2570 [ 66.768312][ T7363] ? do_raw_spin_lock+0x132/0x2e0 [ 66.768326][ T7363] cache_grow_begin+0x92/0xca0 [ 66.768331][ T7363] ? __kmalloc+0xc5/0x790 [ 66.768342][ T7363] ? trace_hardirqs_off+0x41/0x1a0 [ 66.778263][ T7363] __kmalloc+0x6cd/0x790 [ 66.778274][ T7363] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 66.778281][ T7363] p9_fcall_init.isra.2+0x55/0x1c0 [ 66.778289][ T7363] p9_client_prepare_req.part.5+0x116/0x670 [ 66.778299][ T7363] p9_client_rpc+0x174/0xe50 [ 66.778308][ T7363] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 66.778314][ T7363] ? p9_client_prepare_req.part.5+0x670/0x670 [ 66.778321][ T7363] ? add_wait_queue+0x107/0x160 [ 66.778328][ T7363] ? p9_pollwait+0x182/0x210 [ 66.778336][ T7363] ? pipe_poll+0x80/0x300 [ 66.801121][ T7363] ? p9_fd_poll+0x19b/0x2a0 [ 66.816552][ T7363] ? p9_conn_create+0x399/0x4e0 [ 66.816562][ T7363] ? p9_conn_create+0x4e0/0x4e0 [ 66.816576][ T7363] p9_client_create+0x7ec/0x10e0 [ 66.816588][ T7363] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 66.816595][ T7363] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.907118][ T7363] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.913166][ T7363] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.918949][ T7363] ? __kmalloc_track_caller+0x60e/0x780 [ 66.924471][ T7363] ? __x64_sys_mount+0x169/0x1c0 [ 66.929383][ T7363] ? do_syscall_64+0xd0/0x600 [ 66.934034][ T7363] ? lockdep_init_map+0x1b6/0x6c0 [ 66.939043][ T7363] v9fs_session_init+0x1ed/0x14c0 [ 66.944053][ T7363] ? v9fs_session_init+0x1ed/0x14c0 [ 66.949229][ T7363] ? find_held_lock+0x36/0x1d0 [ 66.953976][ T7363] ? v9fs_show_options+0x6c0/0x6c0 [ 66.959058][ T7363] ? __kasan_check_read+0x11/0x20 [ 66.964066][ T7363] ? v9fs_mount+0x55/0x7f0 [ 66.968462][ T7363] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 66.974067][ T7363] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 66.980103][ T7363] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 66.985885][ T7363] ? kmem_cache_alloc_trace+0x39e/0x780 [ 66.991408][ T7363] ? apparmor_task_alloc+0x2f0/0x2f0 [ 66.996670][ T7363] v9fs_mount+0x72/0x7f0 [ 67.000893][ T7363] ? v9fs_write_inode+0x50/0x50 [ 67.005715][ T7363] legacy_get_tree+0x103/0x1f0 [ 67.010540][ T7363] vfs_get_tree+0x8b/0x2d0 [ 67.014929][ T7363] ? capable+0x14/0x20 [ 67.018973][ T7363] do_mount+0x1270/0x1b60 [ 67.023291][ T7363] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.028827][ T7363] ? copy_mount_string+0x20/0x20 [ 67.033742][ T7363] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.039268][ T7363] ? __kasan_check_write+0x14/0x20 [ 67.044360][ T7363] ? _copy_from_user+0xd6/0x110 [ 67.049182][ T7363] ? __kasan_check_read+0x11/0x20 [ 67.054194][ T7363] ? copy_mount_options+0x77/0x2c0 [ 67.059286][ T7363] __x64_sys_mount+0x169/0x1c0 [ 67.064046][ T7363] do_syscall_64+0xd0/0x600 [ 67.068535][ T7363] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.074403][ T7363] RIP: 0033:0x458da9 [ 67.078281][ T7363] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.097862][ T7363] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.106334][ T7363] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 67.114280][ T7363] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.122226][ T7363] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.130187][ T7363] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 67.139088][ T7363] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.147047][ T7382] CPU: 1 PID: 7382 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 67.155718][ T7382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.162688][ T7387] FAULT_INJECTION: forcing a failure. [ 67.162688][ T7387] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 67.165794][ T7382] Call Trace: [ 67.182236][ T7382] dump_stack+0x12d/0x187 [ 67.186541][ T7382] should_fail.cold.4+0x5/0x13 [ 67.191289][ T7382] ? fault_create_debugfs_attr+0x150/0x150 [ 67.197067][ T7382] ? ___might_sleep+0x16b/0x2b0 [ 67.201901][ T7382] __should_failslab+0xba/0xf0 [ 67.206639][ T7382] should_failslab+0x9/0x14 [ 67.211112][ T7382] __kmalloc+0x2eb/0x790 [ 67.215330][ T7382] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 67.220596][ T7382] p9_fcall_init.isra.2+0x55/0x1c0 [ 67.225678][ T7382] p9_client_prepare_req.part.5+0x116/0x670 [ 67.231553][ T7382] p9_client_rpc+0x174/0xe50 [ 67.236118][ T7382] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 67.241895][ T7382] ? p9_client_prepare_req.part.5+0x670/0x670 [ 67.247933][ T7382] ? add_wait_queue+0x107/0x160 [ 67.252754][ T7382] ? p9_pollwait+0x182/0x210 [ 67.257317][ T7382] ? pipe_poll+0x80/0x300 [ 67.261626][ T7382] ? p9_fd_poll+0x19b/0x2a0 [ 67.266099][ T7382] ? p9_conn_create+0x399/0x4e0 [ 67.270924][ T7382] ? p9_conn_create+0x4e0/0x4e0 [ 67.276016][ T7382] p9_client_create+0x7ec/0x10e0 [ 67.280928][ T7382] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 67.286968][ T7382] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.292492][ T7382] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.298527][ T7382] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.305001][ T7382] ? __kmalloc_track_caller+0x60e/0x780 [ 67.310518][ T7382] ? __x64_sys_mount+0x169/0x1c0 [ 67.315426][ T7382] ? do_syscall_64+0xd0/0x600 [ 67.320078][ T7382] ? lockdep_init_map+0x1b6/0x6c0 [ 67.325248][ T7382] v9fs_session_init+0x1ed/0x14c0 [ 67.330243][ T7382] ? v9fs_session_init+0x1ed/0x14c0 [ 67.335433][ T7382] ? find_held_lock+0x36/0x1d0 [ 67.340889][ T7382] ? v9fs_show_options+0x6c0/0x6c0 [ 67.345977][ T7382] ? __kasan_check_read+0x11/0x20 [ 67.350979][ T7382] ? v9fs_mount+0x55/0x7f0 [ 67.355372][ T7382] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.360891][ T7382] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.366933][ T7382] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.372713][ T7382] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.378230][ T7382] ? apparmor_task_alloc+0x2f0/0x2f0 [ 67.383490][ T7382] v9fs_mount+0x72/0x7f0 [ 67.387704][ T7382] ? v9fs_write_inode+0x50/0x50 [ 67.392700][ T7382] legacy_get_tree+0x103/0x1f0 [ 67.397437][ T7382] vfs_get_tree+0x8b/0x2d0 [ 67.401826][ T7382] ? capable+0x14/0x20 [ 67.405869][ T7382] do_mount+0x1270/0x1b60 [ 67.410167][ T7382] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.415685][ T7382] ? copy_mount_string+0x20/0x20 [ 67.420592][ T7382] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.426118][ T7382] ? __kasan_check_read+0x11/0x20 [ 67.431114][ T7382] ? copy_mount_options+0x77/0x2c0 [ 67.436198][ T7382] __x64_sys_mount+0x169/0x1c0 [ 67.440945][ T7382] do_syscall_64+0xd0/0x600 [ 67.445432][ T7382] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.451297][ T7382] RIP: 0033:0x458da9 [ 67.455163][ T7382] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.474738][ T7382] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.483118][ T7382] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 67.491061][ T7382] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.499004][ T7382] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.506950][ T7382] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 67.514894][ T7382] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.522858][ T7387] CPU: 0 PID: 7387 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 67.531434][ T7387] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.541482][ T7387] Call Trace: [ 67.544769][ T7387] dump_stack+0x12d/0x187 [ 67.549107][ T7387] should_fail.cold.4+0x5/0x13 [ 67.553847][ T7387] ? do_mount+0x1270/0x1b60 [ 67.553855][ T7387] ? fault_create_debugfs_attr+0x150/0x150 [ 67.553865][ T7387] ? find_held_lock+0x36/0x1d0 [ 67.553875][ T7387] should_fail_alloc_page+0x50/0x60 [ 67.553880][ T7387] __alloc_pages_nodemask+0x17f/0x890 [ 67.553887][ T7387] ? cache_grow_end+0xa8/0x190 [ 67.553893][ T7387] ? __alloc_pages_slowpath+0x2570/0x2570 [ 67.553898][ T7387] ? do_raw_spin_lock+0x132/0x2e0 [ 67.553911][ T7387] cache_grow_begin+0x92/0xca0 [ 67.571867][ T7391] FAULT_INJECTION: forcing a failure. [ 67.571867][ T7391] name failslab, interval 1, probability 0, space 0, times 0 [ 67.574200][ T7387] ? __kmalloc+0xc5/0x790 [ 67.616825][ T7387] ? trace_hardirqs_off+0x41/0x1a0 [ 67.621922][ T7387] __kmalloc+0x6cd/0x790 [ 67.626149][ T7387] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 67.631430][ T7387] p9_fcall_init.isra.2+0x55/0x1c0 [ 67.636546][ T7387] p9_client_prepare_req.part.5+0x116/0x670 [ 67.642429][ T7387] p9_client_rpc+0x174/0xe50 [ 67.646998][ T7387] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 67.653300][ T7387] ? p9_client_prepare_req.part.5+0x670/0x670 [ 67.659352][ T7387] ? add_wait_queue+0x107/0x160 [ 67.664176][ T7387] ? p9_pollwait+0x182/0x210 [ 67.668749][ T7387] ? pipe_poll+0x80/0x300 [ 67.673051][ T7387] ? p9_fd_poll+0x19b/0x2a0 [ 67.677526][ T7387] ? p9_conn_create+0x399/0x4e0 [ 67.682349][ T7387] ? p9_conn_create+0x4e0/0x4e0 [ 67.687184][ T7387] p9_client_create+0x7ec/0x10e0 [ 67.692099][ T7387] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 67.698137][ T7387] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.703652][ T7387] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.709688][ T7387] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.715476][ T7387] ? __kmalloc_track_caller+0x60e/0x780 [ 67.720993][ T7387] ? __x64_sys_mount+0x169/0x1c0 [ 67.725900][ T7387] ? do_syscall_64+0xd0/0x600 [ 67.730545][ T7387] ? lockdep_init_map+0x1b6/0x6c0 [ 67.735551][ T7387] v9fs_session_init+0x1ed/0x14c0 [ 67.740543][ T7387] ? v9fs_session_init+0x1ed/0x14c0 [ 67.745716][ T7387] ? find_held_lock+0x36/0x1d0 [ 67.750460][ T7387] ? v9fs_show_options+0x6c0/0x6c0 [ 67.755541][ T7387] ? __kasan_check_read+0x11/0x20 [ 67.760549][ T7387] ? v9fs_mount+0x55/0x7f0 [ 67.764935][ T7387] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.770458][ T7387] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 67.776495][ T7387] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 67.785493][ T7387] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.791012][ T7387] ? apparmor_task_alloc+0x2f0/0x2f0 [ 67.796272][ T7387] v9fs_mount+0x72/0x7f0 [ 67.800487][ T7387] ? v9fs_write_inode+0x50/0x50 [ 67.805399][ T7387] legacy_get_tree+0x103/0x1f0 [ 67.810171][ T7387] vfs_get_tree+0x8b/0x2d0 [ 67.814559][ T7387] ? capable+0x14/0x20 [ 67.818604][ T7387] do_mount+0x1270/0x1b60 [ 67.822905][ T7387] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 67.828421][ T7387] ? copy_mount_string+0x20/0x20 [ 67.833335][ T7387] ? kmem_cache_alloc_trace+0x39e/0x780 [ 67.838862][ T7387] ? __kasan_check_write+0x14/0x20 [ 67.843966][ T7387] ? _copy_from_user+0xd6/0x110 [ 67.848808][ T7387] ? __kasan_check_read+0x11/0x20 [ 67.853829][ T7387] ? copy_mount_options+0x77/0x2c0 [ 67.858923][ T7387] __x64_sys_mount+0x169/0x1c0 [ 67.863687][ T7387] do_syscall_64+0xd0/0x600 [ 67.868169][ T7387] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.874035][ T7387] RIP: 0033:0x458da9 [ 67.877906][ T7387] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.897585][ T7387] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 67.905973][ T7387] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 67.913923][ T7387] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 67.921881][ T7387] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 67.929834][ T7387] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 67.937781][ T7387] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 67.945746][ T7391] CPU: 1 PID: 7391 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 67.954328][ T7391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.964370][ T7391] Call Trace: [ 67.964382][ T7391] dump_stack+0x12d/0x187 [ 67.964395][ T7391] should_fail.cold.4+0x5/0x13 [ 67.964401][ T7391] ? stack_trace_save+0x82/0xb0 [ 67.964407][ T7391] ? fault_create_debugfs_attr+0x150/0x150 [ 67.964421][ T7391] __should_failslab+0xba/0xf0 [ 67.964428][ T7391] should_failslab+0x9/0x14 [ 67.964434][ T7391] kmem_cache_alloc+0x47/0x750 [ 67.964440][ T7391] ? __x64_sys_mount+0x169/0x1c0 [ 67.964447][ T7391] ? do_syscall_64+0xd0/0x600 [ 67.964458][ T7391] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 67.964463][ T7391] ? __kasan_check_read+0x11/0x20 [ 67.964471][ T7391] idr_get_free+0x35d/0x880 [ 67.972073][ T7391] ? __kasan_check_read+0x11/0x20 [ 67.981632][ T7391] idr_alloc_u32+0x13a/0x330 [ 67.992140][ T7391] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 68.001353][ T7391] ? mark_held_locks+0x130/0x130 [ 68.027215][ T7397] FAULT_INJECTION: forcing a failure. [ 68.027215][ T7397] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.032761][ T7391] ? __kasan_check_write+0x14/0x20 [ 68.065976][ T7391] ? do_raw_spin_lock+0x132/0x2e0 [ 68.070993][ T7391] idr_alloc+0x7d/0xc0 [ 68.075122][ T7391] ? idr_alloc_u32+0x330/0x330 [ 68.079867][ T7391] p9_client_prepare_req.part.5+0x571/0x670 [ 68.085820][ T7391] p9_client_rpc+0x174/0xe50 [ 68.090385][ T7391] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 68.096163][ T7391] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.102207][ T7391] ? add_wait_queue+0x107/0x160 [ 68.107038][ T7391] ? p9_pollwait+0x182/0x210 [ 68.111600][ T7391] ? pipe_poll+0x80/0x300 [ 68.115903][ T7391] ? p9_fd_poll+0x19b/0x2a0 [ 68.120512][ T7391] ? p9_conn_create+0x399/0x4e0 [ 68.125341][ T7391] ? p9_conn_create+0x4e0/0x4e0 [ 68.130184][ T7391] p9_client_create+0x7ec/0x10e0 [ 68.135101][ T7391] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.142185][ T7391] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.147706][ T7391] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.153751][ T7391] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.159536][ T7391] ? __kmalloc_track_caller+0x60e/0x780 [ 68.165053][ T7391] ? __x64_sys_mount+0x169/0x1c0 [ 68.169964][ T7391] ? do_syscall_64+0xd0/0x600 [ 68.174610][ T7391] ? lockdep_init_map+0x1b6/0x6c0 [ 68.179614][ T7391] v9fs_session_init+0x1ed/0x14c0 [ 68.184610][ T7391] ? v9fs_session_init+0x1ed/0x14c0 [ 68.189780][ T7391] ? find_held_lock+0x36/0x1d0 [ 68.194519][ T7391] ? v9fs_show_options+0x6c0/0x6c0 [ 68.199600][ T7391] ? __kasan_check_read+0x11/0x20 [ 68.204683][ T7391] ? v9fs_mount+0x55/0x7f0 [ 68.209070][ T7391] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.214586][ T7391] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.220635][ T7391] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.226414][ T7391] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.231940][ T7391] ? apparmor_task_alloc+0x2f0/0x2f0 [ 68.237197][ T7391] v9fs_mount+0x72/0x7f0 [ 68.241414][ T7391] ? v9fs_write_inode+0x50/0x50 [ 68.246235][ T7391] legacy_get_tree+0x103/0x1f0 [ 68.250971][ T7391] vfs_get_tree+0x8b/0x2d0 [ 68.255356][ T7391] ? capable+0x14/0x20 [ 68.259396][ T7391] do_mount+0x1270/0x1b60 [ 68.263696][ T7391] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.269215][ T7391] ? copy_mount_string+0x20/0x20 [ 68.274125][ T7391] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.279666][ T7391] ? __kasan_check_write+0x14/0x20 [ 68.284748][ T7391] ? _copy_from_user+0xd6/0x110 [ 68.289582][ T7391] ? __kasan_check_read+0x11/0x20 [ 68.294581][ T7391] ? copy_mount_options+0x77/0x2c0 [ 68.299668][ T7391] __x64_sys_mount+0x169/0x1c0 [ 68.304405][ T7391] do_syscall_64+0xd0/0x600 [ 68.308881][ T7391] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.314742][ T7391] RIP: 0033:0x458da9 [ 68.318623][ T7391] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.338217][ T7391] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.346606][ T7391] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 68.354554][ T7391] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 68.363023][ T7391] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 68.370968][ T7391] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 68.378912][ T7391] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 2019/12/18 21:48:42 executed programs: 31 [ 68.386874][ T7397] CPU: 0 PID: 7397 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 68.395462][ T7397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.405514][ T7397] Call Trace: [ 68.408796][ T7397] dump_stack+0x12d/0x187 [ 68.413123][ T7397] should_fail.cold.4+0x5/0x13 [ 68.417878][ T7397] ? do_mount+0x1270/0x1b60 [ 68.419534][ T7399] FAULT_INJECTION: forcing a failure. [ 68.419534][ T7399] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.422366][ T7397] ? fault_create_debugfs_attr+0x150/0x150 [ 68.441306][ T7397] ? find_held_lock+0x36/0x1d0 [ 68.446045][ T7397] should_fail_alloc_page+0x50/0x60 [ 68.451213][ T7397] __alloc_pages_nodemask+0x17f/0x890 [ 68.456557][ T7397] ? cache_grow_end+0xa8/0x190 [ 68.461295][ T7397] ? __alloc_pages_slowpath+0x2570/0x2570 [ 68.466982][ T7397] ? do_raw_spin_lock+0x132/0x2e0 [ 68.471992][ T7397] cache_grow_begin+0x92/0xca0 [ 68.476731][ T7397] ? __kmalloc+0xc5/0x790 [ 68.481038][ T7397] ? trace_hardirqs_off+0x41/0x1a0 [ 68.486129][ T7397] __kmalloc+0x6cd/0x790 [ 68.490348][ T7397] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 68.495615][ T7397] p9_fcall_init.isra.2+0x55/0x1c0 [ 68.500698][ T7397] p9_client_prepare_req.part.5+0x116/0x670 [ 68.506575][ T7397] p9_client_rpc+0x174/0xe50 [ 68.511140][ T7397] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 68.516918][ T7397] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.522965][ T7397] ? add_wait_queue+0x107/0x160 [ 68.527790][ T7397] ? p9_pollwait+0x182/0x210 [ 68.532352][ T7397] ? pipe_poll+0x80/0x300 [ 68.536653][ T7397] ? p9_fd_poll+0x19b/0x2a0 [ 68.541135][ T7397] ? p9_conn_create+0x399/0x4e0 [ 68.545958][ T7397] ? p9_conn_create+0x4e0/0x4e0 [ 68.550786][ T7397] p9_client_create+0x7ec/0x10e0 [ 68.555700][ T7397] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.561740][ T7397] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.567257][ T7397] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.573295][ T7397] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.579073][ T7397] ? __kmalloc_track_caller+0x60e/0x780 [ 68.584589][ T7397] ? __x64_sys_mount+0x169/0x1c0 [ 68.589495][ T7397] ? do_syscall_64+0xd0/0x600 [ 68.594141][ T7397] ? lockdep_init_map+0x1b6/0x6c0 [ 68.599320][ T7397] v9fs_session_init+0x1ed/0x14c0 [ 68.604313][ T7397] ? v9fs_session_init+0x1ed/0x14c0 [ 68.609484][ T7397] ? find_held_lock+0x36/0x1d0 [ 68.614221][ T7397] ? v9fs_show_options+0x6c0/0x6c0 [ 68.619304][ T7397] ? __kasan_check_read+0x11/0x20 [ 68.624299][ T7397] ? v9fs_mount+0x55/0x7f0 [ 68.628689][ T7397] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.634291][ T7397] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.640325][ T7397] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.646191][ T7397] ? kmem_cache_alloc_trace+0x39e/0x780 [ 68.651709][ T7397] ? apparmor_task_alloc+0x2f0/0x2f0 [ 68.656967][ T7397] v9fs_mount+0x72/0x7f0 [ 68.661184][ T7397] ? v9fs_write_inode+0x50/0x50 [ 68.666012][ T7397] legacy_get_tree+0x103/0x1f0 [ 68.670753][ T7397] vfs_get_tree+0x8b/0x2d0 [ 68.675148][ T7397] ? capable+0x14/0x20 [ 68.679190][ T7397] do_mount+0x1270/0x1b60 [ 68.683491][ T7397] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.688928][ T7397] ? copy_mount_string+0x20/0x20 [ 68.694028][ T7397] ? retint_kernel+0x2b/0x2b [ 68.698622][ T7397] ? copy_mount_options+0x1b3/0x2c0 [ 68.703803][ T7397] __x64_sys_mount+0x169/0x1c0 [ 68.708635][ T7397] do_syscall_64+0xd0/0x600 [ 68.713120][ T7397] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.718991][ T7397] RIP: 0033:0x458da9 [ 68.722861][ T7397] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.742449][ T7397] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 68.750832][ T7397] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 68.759038][ T7397] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 68.767243][ T7397] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 68.775193][ T7397] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 68.783148][ T7397] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 68.791108][ T7399] CPU: 1 PID: 7399 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 68.799693][ T7399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.809826][ T7399] Call Trace: [ 68.813092][ T7399] dump_stack+0x12d/0x187 [ 68.817397][ T7399] should_fail.cold.4+0x5/0x13 [ 68.822135][ T7399] ? do_mount+0x1270/0x1b60 [ 68.826609][ T7399] ? fault_create_debugfs_attr+0x150/0x150 [ 68.832390][ T7399] ? find_held_lock+0x36/0x1d0 [ 68.837139][ T7399] should_fail_alloc_page+0x50/0x60 [ 68.843185][ T7399] __alloc_pages_nodemask+0x17f/0x890 [ 68.848528][ T7399] ? cache_grow_end+0xa8/0x190 [ 68.853263][ T7399] ? __alloc_pages_slowpath+0x2570/0x2570 [ 68.858953][ T7399] ? do_raw_spin_lock+0x132/0x2e0 [ 68.863955][ T7399] cache_grow_begin+0x92/0xca0 [ 68.868687][ T7399] ? __kmalloc+0xc5/0x790 [ 68.872987][ T7399] ? trace_hardirqs_off+0x41/0x1a0 [ 68.878068][ T7399] __kmalloc+0x6cd/0x790 [ 68.882286][ T7399] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 68.887542][ T7399] p9_fcall_init.isra.2+0x55/0x1c0 [ 68.892631][ T7399] p9_client_prepare_req.part.5+0x116/0x670 [ 68.898496][ T7399] p9_client_rpc+0x174/0xe50 [ 68.904100][ T7399] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 68.909875][ T7399] ? p9_client_prepare_req.part.5+0x670/0x670 [ 68.915911][ T7399] ? add_wait_queue+0x107/0x160 [ 68.920767][ T7399] ? p9_pollwait+0x182/0x210 [ 68.925345][ T7399] ? pipe_poll+0x80/0x300 [ 68.929656][ T7399] ? p9_fd_poll+0x19b/0x2a0 [ 68.934481][ T7399] ? p9_conn_create+0x399/0x4e0 [ 68.939309][ T7399] ? p9_conn_create+0x4e0/0x4e0 [ 68.944139][ T7399] p9_client_create+0x7ec/0x10e0 [ 68.949056][ T7399] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 68.955113][ T7399] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 68.960654][ T7399] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 68.966704][ T7399] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 68.972494][ T7399] ? __kmalloc_track_caller+0x60e/0x780 [ 68.978019][ T7399] ? __x64_sys_mount+0x169/0x1c0 [ 68.982933][ T7399] ? do_syscall_64+0xd0/0x600 [ 68.987584][ T7399] ? lockdep_init_map+0x1b6/0x6c0 [ 68.992594][ T7399] v9fs_session_init+0x1ed/0x14c0 [ 68.997601][ T7399] ? v9fs_session_init+0x1ed/0x14c0 [ 69.002773][ T7399] ? find_held_lock+0x36/0x1d0 [ 69.007522][ T7399] ? v9fs_show_options+0x6c0/0x6c0 [ 69.012603][ T7399] ? __kasan_check_read+0x11/0x20 [ 69.017602][ T7399] ? v9fs_mount+0x55/0x7f0 [ 69.021990][ T7399] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.027503][ T7399] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.033543][ T7399] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.039322][ T7399] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.044842][ T7399] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.050098][ T7399] v9fs_mount+0x72/0x7f0 [ 69.054312][ T7399] ? v9fs_write_inode+0x50/0x50 [ 69.059136][ T7399] legacy_get_tree+0x103/0x1f0 [ 69.064220][ T7399] vfs_get_tree+0x8b/0x2d0 [ 69.068615][ T7399] ? capable+0x14/0x20 [ 69.072673][ T7399] do_mount+0x1270/0x1b60 [ 69.076976][ T7399] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 69.082408][ T7399] ? copy_mount_string+0x20/0x20 [ 69.087316][ T7399] ? retint_kernel+0x2b/0x2b [ 69.091892][ T7399] ? copy_mount_options+0x1b3/0x2c0 [ 69.097079][ T7399] __x64_sys_mount+0x169/0x1c0 [ 69.101816][ T7399] do_syscall_64+0xd0/0x600 [ 69.106289][ T7399] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.112152][ T7399] RIP: 0033:0x458da9 [ 69.116020][ T7399] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.135619][ T7399] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.144016][ T7399] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 69.151969][ T7399] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.159918][ T7399] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 69.167865][ T7399] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 69.175812][ T7399] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.186717][ T7403] FAULT_INJECTION: forcing a failure. [ 69.186717][ T7403] name failslab, interval 1, probability 0, space 0, times 0 [ 69.200000][ T7403] CPU: 0 PID: 7403 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 69.209540][ T7403] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.220109][ T7403] Call Trace: [ 69.220692][ T7406] FAULT_INJECTION: forcing a failure. [ 69.220692][ T7406] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 69.223392][ T7403] dump_stack+0x12d/0x187 [ 69.240879][ T7403] should_fail.cold.4+0x5/0x13 [ 69.245618][ T7403] ? fault_create_debugfs_attr+0x150/0x150 [ 69.251401][ T7403] ? ___might_sleep+0x16b/0x2b0 [ 69.256224][ T7403] __should_failslab+0xba/0xf0 [ 69.260969][ T7403] should_failslab+0x9/0x14 [ 69.265443][ T7403] __kmalloc+0x2eb/0x790 [ 69.269676][ T7403] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 69.274932][ T7403] p9_fcall_init.isra.2+0x55/0x1c0 [ 69.280014][ T7403] p9_client_prepare_req.part.5+0x116/0x670 [ 69.285879][ T7403] p9_client_rpc+0x174/0xe50 [ 69.290441][ T7403] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 69.296218][ T7403] ? p9_client_prepare_req.part.5+0x670/0x670 [ 69.302257][ T7403] ? add_wait_queue+0x107/0x160 [ 69.307165][ T7403] ? p9_pollwait+0x182/0x210 [ 69.311814][ T7403] ? pipe_poll+0x80/0x300 [ 69.316118][ T7403] ? p9_fd_poll+0x19b/0x2a0 [ 69.320595][ T7403] ? p9_conn_create+0x399/0x4e0 [ 69.325421][ T7403] ? p9_conn_create+0x4e0/0x4e0 [ 69.330248][ T7403] p9_client_create+0x7ec/0x10e0 [ 69.335159][ T7403] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 69.341212][ T7403] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.346735][ T7403] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.352784][ T7403] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.358596][ T7403] ? __kmalloc_track_caller+0x60e/0x780 [ 69.364124][ T7403] ? __x64_sys_mount+0x169/0x1c0 [ 69.369468][ T7403] ? do_syscall_64+0xd0/0x600 [ 69.374202][ T7403] ? lockdep_init_map+0x1b6/0x6c0 [ 69.379205][ T7403] v9fs_session_init+0x1ed/0x14c0 [ 69.384211][ T7403] ? v9fs_session_init+0x1ed/0x14c0 [ 69.389383][ T7403] ? find_held_lock+0x36/0x1d0 [ 69.394125][ T7403] ? v9fs_show_options+0x6c0/0x6c0 [ 69.399213][ T7403] ? __kasan_check_read+0x11/0x20 [ 69.404211][ T7403] ? v9fs_mount+0x55/0x7f0 [ 69.408609][ T7403] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.414127][ T7403] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.420168][ T7403] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.425949][ T7403] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.431469][ T7403] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.436737][ T7403] v9fs_mount+0x72/0x7f0 [ 69.440953][ T7403] ? v9fs_write_inode+0x50/0x50 [ 69.445776][ T7403] legacy_get_tree+0x103/0x1f0 [ 69.450521][ T7403] vfs_get_tree+0x8b/0x2d0 [ 69.454909][ T7403] ? capable+0x14/0x20 [ 69.458963][ T7403] do_mount+0x1270/0x1b60 [ 69.463263][ T7403] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.468779][ T7403] ? copy_mount_string+0x20/0x20 [ 69.473688][ T7403] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.479219][ T7403] ? __kasan_check_read+0x11/0x20 [ 69.484213][ T7403] ? copy_mount_options+0x77/0x2c0 [ 69.489301][ T7403] __x64_sys_mount+0x169/0x1c0 [ 69.494038][ T7403] do_syscall_64+0xd0/0x600 [ 69.498516][ T7403] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.504388][ T7403] RIP: 0033:0x458da9 [ 69.508260][ T7403] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.529225][ T7403] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.537608][ T7403] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 69.545553][ T7403] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.553501][ T7403] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 69.561446][ T7403] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 69.569388][ T7403] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.577364][ T7406] CPU: 1 PID: 7406 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 69.585939][ T7406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.585943][ T7406] Call Trace: [ 69.585957][ T7406] dump_stack+0x12d/0x187 [ 69.585966][ T7406] should_fail.cold.4+0x5/0x13 [ 69.585972][ T7406] ? do_mount+0x1270/0x1b60 [ 69.585979][ T7406] ? fault_create_debugfs_attr+0x150/0x150 [ 69.585990][ T7406] ? find_held_lock+0x36/0x1d0 [ 69.585999][ T7406] should_fail_alloc_page+0x50/0x60 [ 69.586004][ T7406] __alloc_pages_nodemask+0x17f/0x890 [ 69.586011][ T7406] ? cache_grow_end+0xa8/0x190 [ 69.586021][ T7406] ? __alloc_pages_slowpath+0x2570/0x2570 [ 69.618654][ T7406] ? do_raw_spin_lock+0x132/0x2e0 [ 69.628576][ T7406] cache_grow_begin+0x92/0xca0 [ 69.638675][ T7406] ? __kmalloc+0xc5/0x790 [ 69.649451][ T7406] ? trace_hardirqs_off+0x41/0x1a0 [ 69.658492][ T7406] __kmalloc+0x6cd/0x790 [ 69.667799][ T7406] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 69.673075][ T7406] p9_fcall_init.isra.2+0x55/0x1c0 [ 69.678161][ T7406] p9_client_prepare_req.part.5+0x116/0x670 [ 69.678170][ T7406] p9_client_rpc+0x174/0xe50 [ 69.678179][ T7406] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 69.678184][ T7406] ? p9_client_prepare_req.part.5+0x670/0x670 [ 69.678191][ T7406] ? add_wait_queue+0x107/0x160 [ 69.678200][ T7406] ? p9_pollwait+0x182/0x210 [ 69.678208][ T7406] ? pipe_poll+0x80/0x300 [ 69.678215][ T7406] ? p9_fd_poll+0x19b/0x2a0 [ 69.678222][ T7406] ? p9_conn_create+0x399/0x4e0 [ 69.678231][ T7406] ? p9_conn_create+0x4e0/0x4e0 [ 69.678243][ T7406] p9_client_create+0x7ec/0x10e0 [ 69.733296][ T7406] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 69.740337][ T7406] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.745878][ T7406] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.751938][ T7406] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.757759][ T7406] ? __kmalloc_track_caller+0x60e/0x780 [ 69.763296][ T7406] ? __x64_sys_mount+0x169/0x1c0 [ 69.767426][ T7420] FAULT_INJECTION: forcing a failure. [ 69.767426][ T7420] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 69.768231][ T7406] ? do_syscall_64+0xd0/0x600 [ 69.786070][ T7406] ? lockdep_init_map+0x1b6/0x6c0 [ 69.791076][ T7406] v9fs_session_init+0x1ed/0x14c0 [ 69.796073][ T7406] ? v9fs_session_init+0x1ed/0x14c0 [ 69.801250][ T7406] ? find_held_lock+0x36/0x1d0 [ 69.805990][ T7406] ? v9fs_show_options+0x6c0/0x6c0 [ 69.811074][ T7406] ? __kasan_check_read+0x11/0x20 [ 69.816087][ T7406] ? v9fs_mount+0x55/0x7f0 [ 69.820478][ T7406] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.825992][ T7406] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 69.832029][ T7406] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 69.837809][ T7406] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.843336][ T7406] ? apparmor_task_alloc+0x2f0/0x2f0 [ 69.848593][ T7406] v9fs_mount+0x72/0x7f0 [ 69.852807][ T7406] ? v9fs_write_inode+0x50/0x50 [ 69.857634][ T7406] legacy_get_tree+0x103/0x1f0 [ 69.862375][ T7406] vfs_get_tree+0x8b/0x2d0 [ 69.866765][ T7406] ? capable+0x14/0x20 [ 69.870804][ T7406] do_mount+0x1270/0x1b60 [ 69.875122][ T7406] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 69.880639][ T7406] ? copy_mount_string+0x20/0x20 [ 69.885550][ T7406] ? kmem_cache_alloc_trace+0x39e/0x780 [ 69.891078][ T7406] ? __kasan_check_write+0x14/0x20 [ 69.897125][ T7406] ? _copy_from_user+0xd6/0x110 [ 69.901953][ T7406] ? __kasan_check_read+0x11/0x20 [ 69.906947][ T7406] ? copy_mount_options+0x77/0x2c0 [ 69.912031][ T7406] __x64_sys_mount+0x169/0x1c0 [ 69.916771][ T7406] do_syscall_64+0xd0/0x600 [ 69.921247][ T7406] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.927121][ T7406] RIP: 0033:0x458da9 [ 69.930991][ T7406] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.950567][ T7406] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.958948][ T7406] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 69.966893][ T7406] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 69.974836][ T7406] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 69.982797][ T7406] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 69.991886][ T7406] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 69.999864][ T7420] CPU: 0 PID: 7420 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 70.008442][ T7420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.018501][ T7420] Call Trace: [ 70.021786][ T7420] dump_stack+0x12d/0x187 [ 70.024582][ T7410] FAULT_INJECTION: forcing a failure. [ 70.024582][ T7410] name failslab, interval 1, probability 0, space 0, times 0 [ 70.026113][ T7420] should_fail.cold.4+0x5/0x13 [ 70.026122][ T7420] ? do_mount+0x1270/0x1b60 [ 70.026129][ T7420] ? fault_create_debugfs_attr+0x150/0x150 [ 70.026139][ T7420] ? find_held_lock+0x36/0x1d0 [ 70.026151][ T7420] should_fail_alloc_page+0x50/0x60 [ 70.059620][ T7423] FAULT_INJECTION: forcing a failure. [ 70.059620][ T7423] name failslab, interval 1, probability 0, space 0, times 0 [ 70.063634][ T7420] __alloc_pages_nodemask+0x17f/0x890 [ 70.063642][ T7420] ? cache_grow_end+0xa8/0x190 [ 70.063650][ T7420] ? __alloc_pages_slowpath+0x2570/0x2570 [ 70.063656][ T7420] ? do_raw_spin_lock+0x132/0x2e0 [ 70.063669][ T7420] cache_grow_begin+0x92/0xca0 [ 70.063673][ T7420] ? __kmalloc+0xc5/0x790 [ 70.063680][ T7420] ? trace_hardirqs_off+0x41/0x1a0 [ 70.063688][ T7420] __kmalloc+0x6cd/0x790 [ 70.115369][ T7420] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 70.120647][ T7420] p9_fcall_init.isra.2+0x55/0x1c0 [ 70.122728][ T7427] 9pnet: Insufficient options for proto=fd [ 70.125739][ T7420] p9_client_prepare_req.part.5+0x116/0x670 [ 70.125750][ T7420] p9_client_rpc+0x174/0xe50 [ 70.125761][ T7420] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 70.125767][ T7420] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.125773][ T7420] ? add_wait_queue+0x107/0x160 [ 70.125782][ T7420] ? p9_pollwait+0x182/0x210 [ 70.125790][ T7420] ? pipe_poll+0x80/0x300 [ 70.125799][ T7420] ? p9_fd_poll+0x19b/0x2a0 [ 70.172639][ T7420] ? p9_conn_create+0x399/0x4e0 [ 70.177474][ T7420] ? p9_conn_create+0x4e0/0x4e0 [ 70.182305][ T7420] p9_client_create+0x7ec/0x10e0 [ 70.187224][ T7420] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.193275][ T7420] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.198795][ T7420] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.204838][ T7420] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.210622][ T7420] ? __kmalloc_track_caller+0x60e/0x780 [ 70.217107][ T7420] ? __x64_sys_mount+0x169/0x1c0 [ 70.222019][ T7420] ? do_syscall_64+0xd0/0x600 [ 70.226674][ T7420] ? lockdep_init_map+0x1b6/0x6c0 [ 70.231673][ T7420] v9fs_session_init+0x1ed/0x14c0 [ 70.236673][ T7420] ? v9fs_session_init+0x1ed/0x14c0 [ 70.241845][ T7420] ? find_held_lock+0x36/0x1d0 [ 70.246589][ T7420] ? v9fs_show_options+0x6c0/0x6c0 [ 70.251685][ T7420] ? __kasan_check_read+0x11/0x20 [ 70.256693][ T7420] ? v9fs_mount+0x55/0x7f0 [ 70.261204][ T7420] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.266728][ T7420] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.272773][ T7420] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.278572][ T7420] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.284098][ T7420] ? apparmor_task_alloc+0x2f0/0x2f0 [ 70.289359][ T7420] v9fs_mount+0x72/0x7f0 [ 70.293599][ T7420] ? v9fs_write_inode+0x50/0x50 [ 70.298434][ T7420] legacy_get_tree+0x103/0x1f0 [ 70.303174][ T7420] vfs_get_tree+0x8b/0x2d0 [ 70.307562][ T7420] ? capable+0x14/0x20 [ 70.311604][ T7420] do_mount+0x1270/0x1b60 [ 70.315919][ T7420] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.321457][ T7420] ? copy_mount_string+0x20/0x20 [ 70.326386][ T7420] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.331908][ T7420] ? __kasan_check_write+0x14/0x20 [ 70.336993][ T7420] ? _copy_from_user+0xd6/0x110 [ 70.341818][ T7420] ? __kasan_check_read+0x11/0x20 [ 70.346815][ T7420] ? copy_mount_options+0x77/0x2c0 [ 70.351906][ T7420] __x64_sys_mount+0x169/0x1c0 [ 70.356652][ T7420] do_syscall_64+0xd0/0x600 [ 70.361143][ T7420] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.367007][ T7420] RIP: 0033:0x458da9 [ 70.370874][ T7420] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.391410][ T7420] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.399791][ T7420] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 70.407737][ T7420] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 70.415686][ T7420] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 70.423633][ T7420] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 70.431579][ T7420] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 70.439982][ T7410] CPU: 1 PID: 7410 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 70.448566][ T7410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.458609][ T7410] Call Trace: [ 70.458621][ T7410] dump_stack+0x12d/0x187 [ 70.458632][ T7410] should_fail.cold.4+0x5/0x13 [ 70.458639][ T7410] ? fault_create_debugfs_attr+0x150/0x150 [ 70.458648][ T7410] ? ___might_sleep+0x16b/0x2b0 [ 70.458658][ T7410] __should_failslab+0xba/0xf0 [ 70.458665][ T7410] should_failslab+0x9/0x14 [ 70.458671][ T7410] __kmalloc+0x2eb/0x790 [ 70.458681][ T7410] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 70.458688][ T7410] p9_fcall_init.isra.2+0x55/0x1c0 [ 70.458696][ T7410] p9_client_prepare_req.part.5+0x116/0x670 [ 70.467113][ T7430] FAULT_INJECTION: forcing a failure. [ 70.467113][ T7430] name failslab, interval 1, probability 0, space 0, times 0 [ 70.471026][ T7410] p9_client_rpc+0x174/0xe50 [ 70.528330][ T7410] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 70.534107][ T7410] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.540148][ T7410] ? add_wait_queue+0x107/0x160 [ 70.544970][ T7410] ? p9_pollwait+0x182/0x210 [ 70.549533][ T7410] ? pipe_poll+0x80/0x300 [ 70.553834][ T7410] ? p9_fd_poll+0x19b/0x2a0 [ 70.558314][ T7410] ? p9_conn_create+0x399/0x4e0 [ 70.563141][ T7410] ? p9_conn_create+0x4e0/0x4e0 [ 70.567965][ T7410] p9_client_create+0x7ec/0x10e0 [ 70.572878][ T7410] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.578925][ T7410] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.584440][ T7410] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.590476][ T7410] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.596256][ T7410] ? __kmalloc_track_caller+0x60e/0x780 [ 70.601771][ T7410] ? __x64_sys_mount+0x169/0x1c0 [ 70.606682][ T7410] ? do_syscall_64+0xd0/0x600 [ 70.611334][ T7410] ? lockdep_init_map+0x1b6/0x6c0 [ 70.616337][ T7410] v9fs_session_init+0x1ed/0x14c0 [ 70.621330][ T7410] ? v9fs_session_init+0x1ed/0x14c0 [ 70.626501][ T7410] ? find_held_lock+0x36/0x1d0 [ 70.631241][ T7410] ? v9fs_show_options+0x6c0/0x6c0 [ 70.636325][ T7410] ? __kasan_check_read+0x11/0x20 [ 70.641326][ T7410] ? v9fs_mount+0x55/0x7f0 [ 70.645715][ T7410] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.651228][ T7410] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 70.657261][ T7410] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 70.663048][ T7410] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.668566][ T7410] ? apparmor_task_alloc+0x2f0/0x2f0 [ 70.673835][ T7410] v9fs_mount+0x72/0x7f0 [ 70.678061][ T7410] ? v9fs_write_inode+0x50/0x50 [ 70.682881][ T7410] legacy_get_tree+0x103/0x1f0 [ 70.687618][ T7410] vfs_get_tree+0x8b/0x2d0 [ 70.692005][ T7410] ? capable+0x14/0x20 [ 70.696045][ T7410] do_mount+0x1270/0x1b60 [ 70.701300][ T7410] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 70.706823][ T7410] ? copy_mount_string+0x20/0x20 [ 70.711737][ T7410] ? kmem_cache_alloc_trace+0x39e/0x780 [ 70.717256][ T7410] ? __kasan_check_read+0x11/0x20 [ 70.722253][ T7410] ? copy_mount_options+0x77/0x2c0 [ 70.727337][ T7410] __x64_sys_mount+0x169/0x1c0 [ 70.732075][ T7410] do_syscall_64+0xd0/0x600 [ 70.736564][ T7410] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.742429][ T7410] RIP: 0033:0x458da9 [ 70.746296][ T7410] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.765877][ T7410] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 70.774269][ T7410] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 70.782212][ T7410] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 70.790157][ T7410] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 70.798103][ T7410] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 70.806056][ T7410] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 70.814549][ T7430] CPU: 0 PID: 7430 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 70.823135][ T7430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.833213][ T7430] Call Trace: [ 70.836495][ T7430] dump_stack+0x12d/0x187 [ 70.840817][ T7430] should_fail.cold.4+0x5/0x13 [ 70.845570][ T7430] ? stack_trace_save+0x82/0xb0 [ 70.850404][ T7430] ? fault_create_debugfs_attr+0x150/0x150 [ 70.856200][ T7430] __should_failslab+0xba/0xf0 [ 70.862339][ T7430] should_failslab+0x9/0x14 [ 70.866829][ T7430] kmem_cache_alloc+0x47/0x750 [ 70.871571][ T7430] ? __x64_sys_mount+0x169/0x1c0 [ 70.876484][ T7430] ? do_syscall_64+0xd0/0x600 [ 70.881148][ T7430] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 70.887543][ T7430] ? __kasan_check_read+0x11/0x20 [ 70.892541][ T7430] idr_get_free+0x35d/0x880 [ 70.897021][ T7430] ? __kasan_check_read+0x11/0x20 [ 70.902020][ T7430] idr_alloc_u32+0x13a/0x330 [ 70.906585][ T7430] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 70.912102][ T7430] ? mark_held_locks+0x130/0x130 [ 70.917014][ T7430] ? __kasan_check_write+0x14/0x20 [ 70.922098][ T7430] ? do_raw_spin_lock+0x132/0x2e0 [ 70.927110][ T7430] idr_alloc+0x7d/0xc0 [ 70.931151][ T7430] ? idr_alloc_u32+0x330/0x330 [ 70.935906][ T7430] p9_client_prepare_req.part.5+0x571/0x670 [ 70.941782][ T7430] p9_client_rpc+0x174/0xe50 [ 70.946356][ T7430] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 70.952132][ T7430] ? p9_client_prepare_req.part.5+0x670/0x670 [ 70.958170][ T7430] ? add_wait_queue+0x107/0x160 [ 70.962993][ T7430] ? p9_pollwait+0x182/0x210 [ 70.967555][ T7430] ? pipe_poll+0x80/0x300 [ 70.971860][ T7430] ? p9_fd_poll+0x19b/0x2a0 [ 70.976335][ T7430] ? p9_conn_create+0x399/0x4e0 [ 70.981161][ T7430] ? p9_conn_create+0x4e0/0x4e0 [ 70.985990][ T7430] p9_client_create+0x7ec/0x10e0 [ 70.990911][ T7430] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 70.996974][ T7430] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.002491][ T7430] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.008529][ T7430] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.014309][ T7430] ? __kmalloc_track_caller+0x60e/0x780 [ 71.019839][ T7430] ? __x64_sys_mount+0x169/0x1c0 [ 71.024749][ T7430] ? do_syscall_64+0xd0/0x600 [ 71.029400][ T7430] ? lockdep_init_map+0x1b6/0x6c0 [ 71.034403][ T7430] v9fs_session_init+0x1ed/0x14c0 [ 71.039397][ T7430] ? v9fs_session_init+0x1ed/0x14c0 [ 71.044573][ T7430] ? find_held_lock+0x36/0x1d0 [ 71.049325][ T7430] ? v9fs_show_options+0x6c0/0x6c0 [ 71.054431][ T7430] ? __kasan_check_read+0x11/0x20 [ 71.059439][ T7430] ? v9fs_mount+0x55/0x7f0 [ 71.063842][ T7430] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.069366][ T7430] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.075409][ T7430] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.081193][ T7430] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.086732][ T7430] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.092022][ T7430] v9fs_mount+0x72/0x7f0 [ 71.096270][ T7430] ? v9fs_write_inode+0x50/0x50 [ 71.102059][ T7430] legacy_get_tree+0x103/0x1f0 [ 71.106801][ T7430] vfs_get_tree+0x8b/0x2d0 [ 71.113715][ T7430] ? capable+0x14/0x20 [ 71.117764][ T7430] do_mount+0x1270/0x1b60 [ 71.122504][ T7430] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.128028][ T7430] ? copy_mount_string+0x20/0x20 [ 71.132944][ T7430] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.138464][ T7430] ? __kasan_check_write+0x14/0x20 [ 71.143546][ T7430] ? _copy_from_user+0xd6/0x110 [ 71.148371][ T7430] ? __kasan_check_read+0x11/0x20 [ 71.153369][ T7430] ? copy_mount_options+0x77/0x2c0 [ 71.158454][ T7430] __x64_sys_mount+0x169/0x1c0 [ 71.163208][ T7430] do_syscall_64+0xd0/0x600 [ 71.167710][ T7430] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.173582][ T7430] RIP: 0033:0x458da9 [ 71.177451][ T7430] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.197030][ T7430] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.205677][ T7430] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 71.213623][ T7430] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 71.221578][ T7430] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 71.229541][ T7430] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 71.237490][ T7430] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 71.245449][ T7423] CPU: 1 PID: 7423 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 71.254037][ T7423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.264094][ T7423] Call Trace: [ 71.264106][ T7423] dump_stack+0x12d/0x187 [ 71.264117][ T7423] should_fail.cold.4+0x5/0x13 [ 71.264126][ T7423] ? fault_create_debugfs_attr+0x150/0x150 [ 71.264134][ T7423] ? ___might_sleep+0x16b/0x2b0 [ 71.264144][ T7423] __should_failslab+0xba/0xf0 [ 71.264151][ T7423] should_failslab+0x9/0x14 [ 71.264157][ T7423] __kmalloc+0x2eb/0x790 [ 71.264166][ T7423] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 71.264174][ T7423] p9_fcall_init.isra.2+0x55/0x1c0 [ 71.264182][ T7423] p9_client_prepare_req.part.5+0x116/0x670 [ 71.264192][ T7423] p9_client_rpc+0x174/0xe50 [ 71.264202][ T7423] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 71.264207][ T7423] ? p9_client_prepare_req.part.5+0x670/0x670 [ 71.264214][ T7423] ? add_wait_queue+0x107/0x160 [ 71.264221][ T7423] ? p9_pollwait+0x182/0x210 [ 71.282330][ T7423] ? pipe_poll+0x80/0x300 [ 71.282341][ T7423] ? p9_fd_poll+0x19b/0x2a0 [ 71.282351][ T7423] ? p9_conn_create+0x399/0x4e0 [ 71.291939][ T7433] FAULT_INJECTION: forcing a failure. [ 71.291939][ T7433] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.296409][ T7423] ? p9_conn_create+0x4e0/0x4e0 [ 71.374295][ T7423] p9_client_create+0x7ec/0x10e0 [ 71.379215][ T7423] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 71.385252][ T7423] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.390791][ T7423] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.396829][ T7423] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.402608][ T7423] ? __kmalloc_track_caller+0x60e/0x780 [ 71.408126][ T7423] ? __x64_sys_mount+0x169/0x1c0 [ 71.413041][ T7423] ? do_syscall_64+0xd0/0x600 [ 71.417688][ T7423] ? lockdep_init_map+0x1b6/0x6c0 [ 71.422689][ T7423] v9fs_session_init+0x1ed/0x14c0 [ 71.427682][ T7423] ? v9fs_session_init+0x1ed/0x14c0 [ 71.432852][ T7423] ? find_held_lock+0x36/0x1d0 [ 71.437590][ T7423] ? v9fs_show_options+0x6c0/0x6c0 [ 71.442670][ T7423] ? __kasan_check_read+0x11/0x20 [ 71.447677][ T7423] ? v9fs_mount+0x55/0x7f0 [ 71.452064][ T7423] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.457581][ T7423] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.463618][ T7423] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.469398][ T7423] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.474917][ T7423] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.480177][ T7423] v9fs_mount+0x72/0x7f0 [ 71.484392][ T7423] ? v9fs_write_inode+0x50/0x50 [ 71.489224][ T7423] legacy_get_tree+0x103/0x1f0 [ 71.493963][ T7423] vfs_get_tree+0x8b/0x2d0 [ 71.498379][ T7423] ? capable+0x14/0x20 [ 71.502418][ T7423] do_mount+0x1270/0x1b60 [ 71.506805][ T7423] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.512323][ T7423] ? copy_mount_string+0x20/0x20 [ 71.517236][ T7423] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.522768][ T7423] ? __kasan_check_write+0x14/0x20 [ 71.527850][ T7423] ? _copy_from_user+0xd6/0x110 [ 71.532671][ T7423] ? __kasan_check_read+0x11/0x20 [ 71.537664][ T7423] ? copy_mount_options+0x77/0x2c0 [ 71.542746][ T7423] __x64_sys_mount+0x169/0x1c0 [ 71.547484][ T7423] do_syscall_64+0xd0/0x600 [ 71.551973][ T7423] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.557836][ T7423] RIP: 0033:0x458da9 [ 71.561704][ T7423] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.581366][ T7423] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 71.590702][ T7423] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 71.598646][ T7423] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 71.606588][ T7423] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 71.614534][ T7423] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 71.622483][ T7423] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 71.630472][ T7433] CPU: 0 PID: 7433 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 71.639052][ T7433] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.649376][ T7433] Call Trace: [ 71.650070][ T7436] FAULT_INJECTION: forcing a failure. [ 71.650070][ T7436] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.652656][ T7433] dump_stack+0x12d/0x187 [ 71.670223][ T7433] should_fail.cold.4+0x5/0x13 [ 71.674961][ T7433] ? do_mount+0x1270/0x1b60 [ 71.679438][ T7433] ? fault_create_debugfs_attr+0x150/0x150 [ 71.685219][ T7433] ? find_held_lock+0x36/0x1d0 [ 71.689959][ T7433] should_fail_alloc_page+0x50/0x60 [ 71.695136][ T7433] __alloc_pages_nodemask+0x17f/0x890 [ 71.700476][ T7433] ? cache_grow_end+0xa8/0x190 [ 71.705297][ T7433] ? __alloc_pages_slowpath+0x2570/0x2570 [ 71.710989][ T7433] ? do_raw_spin_lock+0x132/0x2e0 [ 71.715993][ T7433] cache_grow_begin+0x92/0xca0 [ 71.720736][ T7433] ? __kmalloc+0xc5/0x790 [ 71.725047][ T7433] ? trace_hardirqs_off+0x41/0x1a0 [ 71.730130][ T7433] __kmalloc+0x6cd/0x790 [ 71.734347][ T7433] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 71.739603][ T7433] p9_fcall_init.isra.2+0x55/0x1c0 [ 71.744696][ T7433] p9_client_prepare_req.part.5+0x116/0x670 [ 71.750561][ T7433] p9_client_rpc+0x174/0xe50 [ 71.755122][ T7433] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 71.760902][ T7433] ? p9_client_prepare_req.part.5+0x670/0x670 [ 71.766941][ T7433] ? add_wait_queue+0x107/0x160 [ 71.771765][ T7433] ? p9_pollwait+0x182/0x210 [ 71.776330][ T7433] ? pipe_poll+0x80/0x300 [ 71.780635][ T7433] ? p9_fd_poll+0x19b/0x2a0 [ 71.786075][ T7433] ? p9_conn_create+0x399/0x4e0 [ 71.790910][ T7433] ? p9_conn_create+0x4e0/0x4e0 [ 71.795736][ T7433] p9_client_create+0x7ec/0x10e0 [ 71.800649][ T7433] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 71.806685][ T7433] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.812199][ T7433] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.818242][ T7433] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.824021][ T7433] ? __kmalloc_track_caller+0x60e/0x780 [ 71.829537][ T7433] ? lockdep_init_map+0x1b6/0x6c0 [ 71.834538][ T7433] v9fs_session_init+0x1ed/0x14c0 [ 71.839533][ T7433] ? v9fs_session_init+0x1ed/0x14c0 [ 71.844714][ T7433] ? find_held_lock+0x36/0x1d0 [ 71.850410][ T7433] ? v9fs_show_options+0x6c0/0x6c0 [ 71.855494][ T7433] ? __kasan_check_read+0x11/0x20 [ 71.860494][ T7433] ? v9fs_mount+0x55/0x7f0 [ 71.864892][ T7433] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.870408][ T7433] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 71.876443][ T7433] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 71.882250][ T7433] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.887769][ T7433] ? apparmor_task_alloc+0x2f0/0x2f0 [ 71.893029][ T7433] v9fs_mount+0x72/0x7f0 [ 71.897248][ T7433] ? v9fs_write_inode+0x50/0x50 [ 71.902089][ T7433] legacy_get_tree+0x103/0x1f0 [ 71.906843][ T7433] vfs_get_tree+0x8b/0x2d0 [ 71.911254][ T7433] ? capable+0x14/0x20 [ 71.915313][ T7433] do_mount+0x1270/0x1b60 [ 71.919627][ T7433] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 71.925502][ T7433] ? copy_mount_string+0x20/0x20 [ 71.930417][ T7433] ? kmem_cache_alloc_trace+0x39e/0x780 [ 71.935947][ T7433] ? __kasan_check_write+0x14/0x20 [ 71.941034][ T7433] ? _copy_from_user+0xd6/0x110 [ 71.945857][ T7433] ? __kasan_check_read+0x11/0x20 [ 71.950852][ T7433] ? copy_mount_options+0x77/0x2c0 [ 71.955939][ T7433] __x64_sys_mount+0x169/0x1c0 [ 71.960679][ T7433] do_syscall_64+0xd0/0x600 [ 71.965160][ T7433] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.971023][ T7433] RIP: 0033:0x458da9 [ 71.974890][ T7433] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.994554][ T7433] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.002935][ T7433] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 72.010886][ T7433] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.018831][ T7433] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.026793][ T7433] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 72.034767][ T7433] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.042739][ T7436] CPU: 1 PID: 7436 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 72.047583][ T7438] FAULT_INJECTION: forcing a failure. [ 72.047583][ T7438] name failslab, interval 1, probability 0, space 0, times 0 [ 72.051400][ T7436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.073992][ T7436] Call Trace: [ 72.074004][ T7436] dump_stack+0x12d/0x187 [ 72.074016][ T7436] should_fail.cold.4+0x5/0x13 [ 72.074023][ T7436] ? do_mount+0x1270/0x1b60 [ 72.074030][ T7436] ? fault_create_debugfs_attr+0x150/0x150 [ 72.074041][ T7436] ? find_held_lock+0x36/0x1d0 [ 72.074049][ T7436] should_fail_alloc_page+0x50/0x60 [ 72.074055][ T7436] __alloc_pages_nodemask+0x17f/0x890 [ 72.074062][ T7436] ? cache_grow_end+0xa8/0x190 [ 72.074069][ T7436] ? __alloc_pages_slowpath+0x2570/0x2570 [ 72.074074][ T7436] ? do_raw_spin_lock+0x132/0x2e0 [ 72.074088][ T7436] cache_grow_begin+0x92/0xca0 [ 72.074091][ T7436] ? __kmalloc+0xc5/0x790 [ 72.074100][ T7436] ? trace_hardirqs_off+0x41/0x1a0 [ 72.097393][ T7436] __kmalloc+0x6cd/0x790 [ 72.097405][ T7436] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 72.097413][ T7436] p9_fcall_init.isra.2+0x55/0x1c0 [ 72.097421][ T7436] p9_client_prepare_req.part.5+0x116/0x670 [ 72.097430][ T7436] p9_client_rpc+0x174/0xe50 [ 72.097439][ T7436] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 72.097444][ T7436] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.097453][ T7436] ? add_wait_queue+0x107/0x160 [ 72.103191][ T7441] FAULT_INJECTION: forcing a failure. [ 72.103191][ T7441] name failslab, interval 1, probability 0, space 0, times 0 [ 72.107377][ T7436] ? p9_pollwait+0x182/0x210 [ 72.202998][ T7436] ? pipe_poll+0x80/0x300 [ 72.207303][ T7436] ? p9_fd_poll+0x19b/0x2a0 [ 72.212213][ T7436] ? p9_conn_create+0x399/0x4e0 [ 72.217036][ T7436] ? p9_conn_create+0x4e0/0x4e0 [ 72.221863][ T7436] p9_client_create+0x7ec/0x10e0 [ 72.226776][ T7436] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.232813][ T7436] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.238334][ T7436] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.244372][ T7436] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.250153][ T7436] ? __kmalloc_track_caller+0x60e/0x780 [ 72.255672][ T7436] ? __x64_sys_mount+0x169/0x1c0 [ 72.260582][ T7436] ? do_syscall_64+0xd0/0x600 [ 72.265229][ T7436] ? lockdep_init_map+0x1b6/0x6c0 [ 72.270238][ T7436] v9fs_session_init+0x1ed/0x14c0 [ 72.275232][ T7436] ? v9fs_session_init+0x1ed/0x14c0 [ 72.280403][ T7436] ? find_held_lock+0x36/0x1d0 [ 72.285140][ T7436] ? v9fs_show_options+0x6c0/0x6c0 [ 72.290222][ T7436] ? __kasan_check_read+0x11/0x20 [ 72.295219][ T7436] ? v9fs_mount+0x55/0x7f0 [ 72.300029][ T7436] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.305543][ T7436] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.311580][ T7436] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.317371][ T7436] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.322899][ T7436] ? apparmor_task_alloc+0x2f0/0x2f0 [ 72.328195][ T7436] v9fs_mount+0x72/0x7f0 [ 72.332419][ T7436] ? v9fs_write_inode+0x50/0x50 [ 72.337247][ T7436] legacy_get_tree+0x103/0x1f0 [ 72.342017][ T7436] vfs_get_tree+0x8b/0x2d0 [ 72.346585][ T7436] ? capable+0x14/0x20 [ 72.350629][ T7436] do_mount+0x1270/0x1b60 [ 72.354934][ T7436] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.360456][ T7436] ? copy_mount_string+0x20/0x20 [ 72.365370][ T7436] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.370889][ T7436] ? __kasan_check_write+0x14/0x20 [ 72.375972][ T7436] ? _copy_from_user+0xd6/0x110 [ 72.380797][ T7436] ? __kasan_check_read+0x11/0x20 [ 72.385793][ T7436] ? copy_mount_options+0x77/0x2c0 [ 72.390889][ T7436] __x64_sys_mount+0x169/0x1c0 [ 72.395650][ T7436] do_syscall_64+0xd0/0x600 [ 72.400225][ T7436] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.406114][ T7436] RIP: 0033:0x458da9 [ 72.409998][ T7436] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.429581][ T7436] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.438417][ T7436] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 72.446367][ T7436] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.454331][ T7436] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.462280][ T7436] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 72.470225][ T7436] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.478186][ T7441] CPU: 0 PID: 7441 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 72.486767][ T7441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.497593][ T7441] Call Trace: [ 72.501141][ T7441] dump_stack+0x12d/0x187 [ 72.505464][ T7441] should_fail.cold.4+0x5/0x13 [ 72.510224][ T7441] ? stack_trace_save+0x82/0xb0 [ 72.515098][ T7441] ? fault_create_debugfs_attr+0x150/0x150 [ 72.520919][ T7441] __should_failslab+0xba/0xf0 [ 72.525678][ T7441] should_failslab+0x9/0x14 [ 72.530178][ T7441] kmem_cache_alloc+0x47/0x750 [ 72.533337][ T7445] FAULT_INJECTION: forcing a failure. [ 72.533337][ T7445] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.534938][ T7441] ? __x64_sys_mount+0x169/0x1c0 [ 72.553015][ T7441] ? do_syscall_64+0xd0/0x600 [ 72.557670][ T7441] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 72.564055][ T7441] ? __kasan_check_read+0x11/0x20 [ 72.569052][ T7441] idr_get_free+0x35d/0x880 [ 72.573531][ T7441] ? __kasan_check_read+0x11/0x20 [ 72.578791][ T7441] idr_alloc_u32+0x13a/0x330 [ 72.583355][ T7441] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 72.588879][ T7441] ? mark_held_locks+0x130/0x130 [ 72.593789][ T7441] ? __kasan_check_write+0x14/0x20 [ 72.598870][ T7441] ? do_raw_spin_lock+0x132/0x2e0 [ 72.603869][ T7441] idr_alloc+0x7d/0xc0 [ 72.607909][ T7441] ? idr_alloc_u32+0x330/0x330 [ 72.612649][ T7441] p9_client_prepare_req.part.5+0x571/0x670 [ 72.618515][ T7441] p9_client_rpc+0x174/0xe50 [ 72.623079][ T7441] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 72.628865][ T7441] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.634900][ T7441] ? add_wait_queue+0x107/0x160 [ 72.639724][ T7441] ? p9_pollwait+0x182/0x210 [ 72.644288][ T7441] ? pipe_poll+0x80/0x300 [ 72.648591][ T7441] ? p9_fd_poll+0x19b/0x2a0 [ 72.653081][ T7441] ? p9_conn_create+0x399/0x4e0 [ 72.657903][ T7441] ? p9_conn_create+0x4e0/0x4e0 [ 72.662739][ T7441] p9_client_create+0x7ec/0x10e0 [ 72.667650][ T7441] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.673689][ T7441] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.679204][ T7441] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.685252][ T7441] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.691032][ T7441] ? __kmalloc_track_caller+0x60e/0x780 [ 72.696548][ T7441] ? __x64_sys_mount+0x169/0x1c0 [ 72.701469][ T7441] ? do_syscall_64+0xd0/0x600 [ 72.706117][ T7441] ? lockdep_init_map+0x1b6/0x6c0 [ 72.711126][ T7441] v9fs_session_init+0x1ed/0x14c0 [ 72.716123][ T7441] ? v9fs_session_init+0x1ed/0x14c0 [ 72.721295][ T7441] ? find_held_lock+0x36/0x1d0 [ 72.726035][ T7441] ? v9fs_show_options+0x6c0/0x6c0 [ 72.731119][ T7441] ? __kasan_check_read+0x11/0x20 [ 72.736118][ T7441] ? v9fs_mount+0x55/0x7f0 [ 72.740506][ T7441] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.746022][ T7441] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.752057][ T7441] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.758286][ T7441] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.763802][ T7441] ? apparmor_task_alloc+0x2f0/0x2f0 [ 72.769057][ T7441] v9fs_mount+0x72/0x7f0 [ 72.773275][ T7441] ? v9fs_write_inode+0x50/0x50 [ 72.778112][ T7441] legacy_get_tree+0x103/0x1f0 [ 72.782854][ T7441] vfs_get_tree+0x8b/0x2d0 [ 72.787244][ T7441] ? capable+0x14/0x20 [ 72.791288][ T7441] do_mount+0x1270/0x1b60 [ 72.795606][ T7441] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.801309][ T7441] ? copy_mount_string+0x20/0x20 [ 72.806226][ T7441] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.811747][ T7441] ? __kasan_check_write+0x14/0x20 [ 72.816830][ T7441] ? _copy_from_user+0xd6/0x110 [ 72.821656][ T7441] ? __kasan_check_read+0x11/0x20 [ 72.826652][ T7441] ? copy_mount_options+0x77/0x2c0 [ 72.831735][ T7441] __x64_sys_mount+0x169/0x1c0 [ 72.837259][ T7441] do_syscall_64+0xd0/0x600 [ 72.841739][ T7441] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.847601][ T7441] RIP: 0033:0x458da9 [ 72.851470][ T7441] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.871653][ T7441] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.880048][ T7441] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 72.888000][ T7441] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.896901][ T7441] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.904848][ T7441] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 72.912802][ T7441] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.920766][ T7445] CPU: 1 PID: 7445 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 72.929357][ T7445] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.939400][ T7445] Call Trace: [ 72.939413][ T7445] dump_stack+0x12d/0x187 [ 72.939424][ T7445] should_fail.cold.4+0x5/0x13 [ 72.939430][ T7445] ? do_mount+0x1270/0x1b60 [ 72.939437][ T7445] ? fault_create_debugfs_attr+0x150/0x150 [ 72.939447][ T7445] ? find_held_lock+0x36/0x1d0 [ 72.939456][ T7445] should_fail_alloc_page+0x50/0x60 [ 72.939461][ T7445] __alloc_pages_nodemask+0x17f/0x890 [ 72.939468][ T7445] ? cache_grow_end+0xa8/0x190 [ 72.939475][ T7445] ? __alloc_pages_slowpath+0x2570/0x2570 [ 72.939480][ T7445] ? do_raw_spin_lock+0x132/0x2e0 [ 72.939493][ T7445] cache_grow_begin+0x92/0xca0 [ 72.939498][ T7445] ? __kmalloc+0xc5/0x790 [ 72.939506][ T7445] ? trace_hardirqs_off+0x41/0x1a0 [ 72.939513][ T7445] __kmalloc+0x6cd/0x790 [ 72.939524][ T7445] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 72.939532][ T7445] p9_fcall_init.isra.2+0x55/0x1c0 [ 72.939539][ T7445] p9_client_prepare_req.part.5+0x116/0x670 [ 72.939547][ T7445] p9_client_rpc+0x174/0xe50 [ 72.939554][ T7445] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 72.939559][ T7445] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.939565][ T7445] ? add_wait_queue+0x107/0x160 [ 72.939573][ T7445] ? p9_pollwait+0x182/0x210 [ 72.939580][ T7445] ? pipe_poll+0x80/0x300 [ 72.939587][ T7445] ? p9_fd_poll+0x19b/0x2a0 [ 72.939594][ T7445] ? p9_conn_create+0x399/0x4e0 [ 72.939603][ T7445] ? p9_conn_create+0x4e0/0x4e0 [ 72.939616][ T7445] p9_client_create+0x7ec/0x10e0 [ 72.939629][ T7445] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.939635][ T7445] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.939641][ T7445] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.939653][ T7445] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.939664][ T7445] ? __kmalloc_track_caller+0x60e/0x780 [ 72.939668][ T7445] ? __x64_sys_mount+0x169/0x1c0 [ 72.939674][ T7445] ? do_syscall_64+0xd0/0x600 [ 72.939678][ T7445] ? lockdep_init_map+0x1b6/0x6c0 [ 72.939692][ T7445] v9fs_session_init+0x1ed/0x14c0 [ 72.939697][ T7445] ? v9fs_session_init+0x1ed/0x14c0 [ 72.939705][ T7445] ? find_held_lock+0x36/0x1d0 [ 72.939716][ T7445] ? v9fs_show_options+0x6c0/0x6c0 [ 72.939722][ T7445] ? __kasan_check_read+0x11/0x20 [ 72.939730][ T7445] ? v9fs_mount+0x55/0x7f0 [ 72.939736][ T7445] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.939742][ T7445] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.939747][ T7445] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.939758][ T7445] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.939767][ T7445] ? apparmor_task_alloc+0x2f0/0x2f0 [ 72.939775][ T7445] v9fs_mount+0x72/0x7f0 [ 72.939783][ T7445] ? v9fs_write_inode+0x50/0x50 [ 72.939790][ T7445] legacy_get_tree+0x103/0x1f0 [ 72.939805][ T7445] vfs_get_tree+0x8b/0x2d0 [ 72.939811][ T7445] ? capable+0x14/0x20 [ 72.939818][ T7445] do_mount+0x1270/0x1b60 [ 72.939824][ T7445] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.939830][ T7445] ? copy_mount_string+0x20/0x20 [ 72.939839][ T7445] ? kmem_cache_alloc_trace+0x39e/0x780 [ 72.939845][ T7445] ? __kasan_check_write+0x14/0x20 [ 72.939851][ T7445] ? _copy_from_user+0xd6/0x110 [ 72.939859][ T7445] ? __kasan_check_read+0x11/0x20 [ 72.939864][ T7445] ? copy_mount_options+0x77/0x2c0 [ 72.939872][ T7445] __x64_sys_mount+0x169/0x1c0 [ 72.939881][ T7445] do_syscall_64+0xd0/0x600 [ 72.939889][ T7445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.939895][ T7445] RIP: 0033:0x458da9 [ 72.939901][ T7445] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.939905][ T7445] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 72.939911][ T7445] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 72.939914][ T7445] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 72.939917][ T7445] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 72.939920][ T7445] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 72.939924][ T7445] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 72.949428][ T7438] CPU: 1 PID: 7438 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 72.963203][ T7438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.975487][ T7438] Call Trace: [ 72.975503][ T7438] dump_stack+0x12d/0x187 [ 72.975513][ T7438] should_fail.cold.4+0x5/0x13 [ 72.975520][ T7438] ? fault_create_debugfs_attr+0x150/0x150 [ 72.975528][ T7438] ? ___might_sleep+0x16b/0x2b0 [ 72.975538][ T7438] __should_failslab+0xba/0xf0 [ 72.975544][ T7438] should_failslab+0x9/0x14 [ 72.975550][ T7438] __kmalloc+0x2eb/0x790 [ 72.975559][ T7438] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 72.975568][ T7438] p9_fcall_init.isra.2+0x55/0x1c0 [ 72.975576][ T7438] p9_client_prepare_req.part.5+0x116/0x670 [ 72.975591][ T7438] p9_client_rpc+0x174/0xe50 [ 72.975601][ T7438] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 72.975606][ T7438] ? p9_client_prepare_req.part.5+0x670/0x670 [ 72.975616][ T7438] ? add_wait_queue+0x107/0x160 [ 72.985724][ T7438] ? p9_pollwait+0x182/0x210 [ 72.996420][ T7438] ? pipe_poll+0x80/0x300 [ 72.996428][ T7438] ? p9_fd_poll+0x19b/0x2a0 [ 72.996435][ T7438] ? p9_conn_create+0x399/0x4e0 [ 72.996442][ T7438] ? p9_conn_create+0x4e0/0x4e0 [ 72.996453][ T7438] p9_client_create+0x7ec/0x10e0 [ 72.996464][ T7438] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 72.996469][ T7438] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 72.996474][ T7438] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 72.996481][ T7438] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 72.996491][ T7438] ? __kmalloc_track_caller+0x60e/0x780 [ 72.996497][ T7438] ? __x64_sys_mount+0x169/0x1c0 [ 72.996505][ T7438] ? do_syscall_64+0xd0/0x600 [ 73.010627][ T7438] ? lockdep_init_map+0x1b6/0x6c0 [ 73.036702][ T7438] v9fs_session_init+0x1ed/0x14c0 [ 73.036708][ T7438] ? v9fs_session_init+0x1ed/0x14c0 [ 73.036719][ T7438] ? find_held_lock+0x36/0x1d0 [ 73.036732][ T7438] ? v9fs_show_options+0x6c0/0x6c0 [ 73.053400][ T7438] ? __kasan_check_read+0x11/0x20 [ 73.053410][ T7438] ? v9fs_mount+0x55/0x7f0 [ 73.053416][ T7438] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.053422][ T7438] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.053427][ T7438] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.053436][ T7438] ? kmem_cache_alloc_trace+0x39e/0x780 [ 73.053445][ T7438] ? apparmor_task_alloc+0x2f0/0x2f0 [ 73.053453][ T7438] v9fs_mount+0x72/0x7f0 [ 73.053460][ T7438] ? v9fs_write_inode+0x50/0x50 [ 73.066836][ T7438] legacy_get_tree+0x103/0x1f0 [ 73.066846][ T7438] vfs_get_tree+0x8b/0x2d0 [ 73.066852][ T7438] ? capable+0x14/0x20 [ 73.066861][ T7438] do_mount+0x1270/0x1b60 [ 73.066868][ T7438] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.066876][ T7438] ? copy_mount_string+0x20/0x20 [ 73.066886][ T7438] ? kmem_cache_alloc_trace+0x39e/0x780 [ 73.066892][ T7438] ? __kasan_check_write+0x14/0x20 [ 73.066898][ T7438] ? _copy_from_user+0xd6/0x110 [ 73.066906][ T7438] ? __kasan_check_read+0x11/0x20 [ 73.100036][ T7438] ? copy_mount_options+0x77/0x2c0 [ 73.141184][ T7438] __x64_sys_mount+0x169/0x1c0 [ 73.220905][ T7438] do_syscall_64+0xd0/0x600 [ 73.220917][ T7438] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.220925][ T7438] RIP: 0033:0x458da9 [ 73.238565][ T7459] FAULT_INJECTION: forcing a failure. [ 73.238565][ T7459] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.241516][ T7438] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.680607][ T7438] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 73.688992][ T7438] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 73.696947][ T7438] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 2019/12/18 21:48:47 executed programs: 45 [ 73.704890][ T7438] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 73.712839][ T7438] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 73.720783][ T7438] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 73.728757][ T7459] CPU: 0 PID: 7459 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 73.737359][ T7459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.737824][ T7461] FAULT_INJECTION: forcing a failure. [ 73.737824][ T7461] name failslab, interval 1, probability 0, space 0, times 0 [ 73.747397][ T7459] Call Trace: [ 73.747409][ T7459] dump_stack+0x12d/0x187 [ 73.747420][ T7459] should_fail.cold.4+0x5/0x13 [ 73.747427][ T7459] ? do_mount+0x1270/0x1b60 [ 73.747433][ T7459] ? fault_create_debugfs_attr+0x150/0x150 [ 73.747443][ T7459] ? find_held_lock+0x36/0x1d0 [ 73.747452][ T7459] should_fail_alloc_page+0x50/0x60 [ 73.747459][ T7459] __alloc_pages_nodemask+0x17f/0x890 [ 73.768548][ T7459] ? cache_grow_end+0xa8/0x190 [ 73.777765][ T7459] ? __alloc_pages_slowpath+0x2570/0x2570 [ 73.788292][ T7459] ? do_raw_spin_lock+0x132/0x2e0 [ 73.788308][ T7459] cache_grow_begin+0x92/0xca0 [ 73.818971][ T7459] ? __kmalloc+0xc5/0x790 [ 73.823276][ T7459] ? trace_hardirqs_off+0x41/0x1a0 [ 73.828365][ T7459] __kmalloc+0x6cd/0x790 [ 73.833372][ T7459] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 73.838634][ T7459] p9_fcall_init.isra.2+0x55/0x1c0 [ 73.843718][ T7459] p9_client_prepare_req.part.5+0x116/0x670 [ 73.849592][ T7459] p9_client_rpc+0x174/0xe50 [ 73.854159][ T7459] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 73.859934][ T7459] ? p9_client_prepare_req.part.5+0x670/0x670 [ 73.865975][ T7459] ? add_wait_queue+0x107/0x160 [ 73.870801][ T7459] ? p9_pollwait+0x182/0x210 [ 73.875362][ T7459] ? pipe_poll+0x80/0x300 [ 73.879673][ T7459] ? p9_fd_poll+0x19b/0x2a0 [ 73.884147][ T7459] ? p9_conn_create+0x399/0x4e0 [ 73.888974][ T7459] ? p9_conn_create+0x4e0/0x4e0 [ 73.893812][ T7459] p9_client_create+0x7ec/0x10e0 [ 73.898813][ T7459] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 73.904854][ T7459] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.910369][ T7459] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.916926][ T7459] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.922706][ T7459] ? __kmalloc_track_caller+0x60e/0x780 [ 73.928230][ T7459] ? __x64_sys_mount+0x169/0x1c0 [ 73.933153][ T7459] ? do_syscall_64+0xd0/0x600 [ 73.937800][ T7459] ? lockdep_init_map+0x1b6/0x6c0 [ 73.942801][ T7459] v9fs_session_init+0x1ed/0x14c0 [ 73.947796][ T7459] ? v9fs_session_init+0x1ed/0x14c0 [ 73.952968][ T7459] ? find_held_lock+0x36/0x1d0 [ 73.957709][ T7459] ? v9fs_show_options+0x6c0/0x6c0 [ 73.962790][ T7459] ? __kasan_check_read+0x11/0x20 [ 73.967798][ T7459] ? v9fs_mount+0x55/0x7f0 [ 73.972199][ T7459] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 73.977717][ T7459] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 73.983753][ T7459] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 73.989534][ T7459] ? kmem_cache_alloc_trace+0x39e/0x780 [ 73.995056][ T7459] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.000313][ T7459] v9fs_mount+0x72/0x7f0 [ 74.004528][ T7459] ? v9fs_write_inode+0x50/0x50 [ 74.009357][ T7459] legacy_get_tree+0x103/0x1f0 [ 74.014100][ T7459] vfs_get_tree+0x8b/0x2d0 [ 74.018500][ T7459] ? capable+0x14/0x20 [ 74.022554][ T7459] do_mount+0x1270/0x1b60 [ 74.026853][ T7459] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.032383][ T7459] ? copy_mount_string+0x20/0x20 [ 74.037315][ T7459] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.042856][ T7459] ? __kasan_check_write+0x14/0x20 [ 74.047948][ T7459] ? _copy_from_user+0xd6/0x110 [ 74.052777][ T7459] ? __kasan_check_read+0x11/0x20 [ 74.057777][ T7459] ? copy_mount_options+0x77/0x2c0 [ 74.062881][ T7459] __x64_sys_mount+0x169/0x1c0 [ 74.067632][ T7459] do_syscall_64+0xd0/0x600 [ 74.072120][ T7459] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.077987][ T7459] RIP: 0033:0x458da9 [ 74.081853][ T7459] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.101428][ T7459] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.109809][ T7459] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 74.117754][ T7459] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.125707][ T7459] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.133662][ T7459] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 74.141608][ T7459] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.149593][ T7461] CPU: 1 PID: 7461 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 74.158174][ T7461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.166777][ T7465] FAULT_INJECTION: forcing a failure. [ 74.166777][ T7465] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.168216][ T7461] Call Trace: [ 74.184733][ T7461] dump_stack+0x12d/0x187 [ 74.189050][ T7461] should_fail.cold.4+0x5/0x13 [ 74.193786][ T7461] ? fault_create_debugfs_attr+0x150/0x150 [ 74.199588][ T7461] ? ___might_sleep+0x16b/0x2b0 [ 74.204419][ T7461] __should_failslab+0xba/0xf0 [ 74.209182][ T7461] should_failslab+0x9/0x14 [ 74.213665][ T7461] __kmalloc+0x2eb/0x790 [ 74.217888][ T7461] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 74.223150][ T7461] p9_fcall_init.isra.2+0x55/0x1c0 [ 74.228255][ T7461] p9_client_prepare_req.part.5+0x116/0x670 [ 74.234126][ T7461] p9_client_rpc+0x174/0xe50 [ 74.238699][ T7461] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 74.244479][ T7461] ? p9_client_prepare_req.part.5+0x670/0x670 [ 74.250645][ T7461] ? add_wait_queue+0x107/0x160 [ 74.255494][ T7461] ? p9_pollwait+0x182/0x210 [ 74.260065][ T7461] ? pipe_poll+0x80/0x300 [ 74.264374][ T7461] ? p9_fd_poll+0x19b/0x2a0 [ 74.268866][ T7461] ? p9_conn_create+0x399/0x4e0 [ 74.273693][ T7461] ? p9_conn_create+0x4e0/0x4e0 [ 74.278525][ T7461] p9_client_create+0x7ec/0x10e0 [ 74.283465][ T7461] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 74.289518][ T7461] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.295169][ T7461] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.301220][ T7461] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.307006][ T7461] ? __kmalloc_track_caller+0x60e/0x780 [ 74.312552][ T7461] ? __x64_sys_mount+0x169/0x1c0 [ 74.317469][ T7461] ? do_syscall_64+0xd0/0x600 [ 74.322125][ T7461] ? lockdep_init_map+0x1b6/0x6c0 [ 74.327132][ T7461] v9fs_session_init+0x1ed/0x14c0 [ 74.332130][ T7461] ? v9fs_session_init+0x1ed/0x14c0 [ 74.337374][ T7461] ? find_held_lock+0x36/0x1d0 [ 74.342126][ T7461] ? v9fs_show_options+0x6c0/0x6c0 [ 74.347212][ T7461] ? __kasan_check_read+0x11/0x20 [ 74.352215][ T7461] ? v9fs_mount+0x55/0x7f0 [ 74.356607][ T7461] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.364299][ T7461] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.370350][ T7461] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.376137][ T7461] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.381673][ T7461] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.386949][ T7461] v9fs_mount+0x72/0x7f0 [ 74.391188][ T7461] ? v9fs_write_inode+0x50/0x50 [ 74.396017][ T7461] legacy_get_tree+0x103/0x1f0 [ 74.400772][ T7461] vfs_get_tree+0x8b/0x2d0 [ 74.405181][ T7461] ? capable+0x14/0x20 [ 74.409679][ T7461] do_mount+0x1270/0x1b60 [ 74.414000][ T7461] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.419525][ T7461] ? copy_mount_string+0x20/0x20 [ 74.424890][ T7461] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.430424][ T7461] ? __kasan_check_write+0x14/0x20 [ 74.435529][ T7461] ? _copy_from_user+0xd6/0x110 [ 74.440371][ T7461] ? __kasan_check_read+0x11/0x20 [ 74.445370][ T7461] ? copy_mount_options+0x77/0x2c0 [ 74.450469][ T7461] __x64_sys_mount+0x169/0x1c0 [ 74.455216][ T7461] do_syscall_64+0xd0/0x600 [ 74.459713][ T7461] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.465601][ T7461] RIP: 0033:0x458da9 [ 74.469534][ T7461] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.489653][ T7461] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.498051][ T7461] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 74.506007][ T7461] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.513962][ T7461] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.522018][ T7461] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 74.529967][ T7461] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.537933][ T7465] CPU: 0 PID: 7465 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 74.546515][ T7465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.546520][ T7465] Call Trace: [ 74.546534][ T7465] dump_stack+0x12d/0x187 [ 74.546544][ T7465] should_fail.cold.4+0x5/0x13 [ 74.546550][ T7465] ? do_mount+0x1270/0x1b60 [ 74.546557][ T7465] ? fault_create_debugfs_attr+0x150/0x150 [ 74.546568][ T7465] ? find_held_lock+0x36/0x1d0 [ 74.584021][ T7465] should_fail_alloc_page+0x50/0x60 [ 74.589197][ T7465] __alloc_pages_nodemask+0x17f/0x890 [ 74.594572][ T7465] ? cache_grow_end+0xa8/0x190 [ 74.599325][ T7465] ? __alloc_pages_slowpath+0x2570/0x2570 [ 74.605020][ T7465] ? do_raw_spin_lock+0x132/0x2e0 [ 74.610028][ T7465] cache_grow_begin+0x92/0xca0 [ 74.614768][ T7465] ? __kmalloc+0xc5/0x790 [ 74.619073][ T7465] ? trace_hardirqs_off+0x41/0x1a0 [ 74.624163][ T7465] __kmalloc+0x6cd/0x790 [ 74.628387][ T7465] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 74.633649][ T7465] p9_fcall_init.isra.2+0x55/0x1c0 [ 74.638738][ T7465] p9_client_prepare_req.part.5+0x116/0x670 [ 74.644620][ T7465] p9_client_rpc+0x174/0xe50 [ 74.649188][ T7465] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 74.654967][ T7465] ? p9_client_prepare_req.part.5+0x670/0x670 [ 74.661017][ T7465] ? add_wait_queue+0x107/0x160 [ 74.665846][ T7465] ? p9_pollwait+0x182/0x210 [ 74.670425][ T7465] ? pipe_poll+0x80/0x300 [ 74.674744][ T7465] ? p9_fd_poll+0x19b/0x2a0 [ 74.679241][ T7465] ? p9_conn_create+0x399/0x4e0 [ 74.684079][ T7465] ? p9_conn_create+0x4e0/0x4e0 [ 74.688913][ T7465] p9_client_create+0x7ec/0x10e0 [ 74.693838][ T7465] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 74.699886][ T7465] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.705439][ T7465] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.711487][ T7465] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.717273][ T7465] ? __kmalloc_track_caller+0x60e/0x780 [ 74.722795][ T7465] ? __x64_sys_mount+0x169/0x1c0 [ 74.727725][ T7465] ? do_syscall_64+0xd0/0x600 [ 74.732377][ T7465] ? lockdep_init_map+0x1b6/0x6c0 [ 74.737384][ T7465] v9fs_session_init+0x1ed/0x14c0 [ 74.742383][ T7465] ? v9fs_session_init+0x1ed/0x14c0 [ 74.747561][ T7465] ? find_held_lock+0x36/0x1d0 [ 74.752308][ T7465] ? v9fs_show_options+0x6c0/0x6c0 [ 74.757395][ T7465] ? __kasan_check_read+0x11/0x20 [ 74.762399][ T7465] ? v9fs_mount+0x55/0x7f0 [ 74.766965][ T7465] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.772498][ T7465] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 74.778540][ T7465] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 74.784328][ T7465] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.789850][ T7465] ? apparmor_task_alloc+0x2f0/0x2f0 [ 74.795114][ T7465] v9fs_mount+0x72/0x7f0 [ 74.799334][ T7465] ? v9fs_write_inode+0x50/0x50 [ 74.804161][ T7465] legacy_get_tree+0x103/0x1f0 [ 74.808909][ T7465] vfs_get_tree+0x8b/0x2d0 [ 74.813299][ T7465] ? capable+0x14/0x20 [ 74.817346][ T7465] do_mount+0x1270/0x1b60 [ 74.821655][ T7465] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 74.827176][ T7465] ? copy_mount_string+0x20/0x20 [ 74.832093][ T7465] ? kmem_cache_alloc_trace+0x39e/0x780 [ 74.837618][ T7465] ? __kasan_check_write+0x14/0x20 [ 74.842705][ T7465] ? _copy_from_user+0xd6/0x110 [ 74.847544][ T7465] ? __kasan_check_read+0x11/0x20 [ 74.852543][ T7465] ? copy_mount_options+0x77/0x2c0 [ 74.857636][ T7465] __x64_sys_mount+0x169/0x1c0 [ 74.862379][ T7465] do_syscall_64+0xd0/0x600 [ 74.866866][ T7465] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.872995][ T7465] RIP: 0033:0x458da9 [ 74.876867][ T7465] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.896450][ T7465] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.904862][ T7465] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 74.912813][ T7465] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 74.920762][ T7465] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 74.929143][ T7465] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 74.937093][ T7465] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 74.961820][ T7470] FAULT_INJECTION: forcing a failure. [ 74.961820][ T7470] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.975024][ T7470] CPU: 0 PID: 7470 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 74.983596][ T7470] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.983599][ T7470] Call Trace: [ 74.983611][ T7470] dump_stack+0x12d/0x187 [ 74.983621][ T7470] should_fail.cold.4+0x5/0x13 [ 74.983628][ T7470] ? do_mount+0x1270/0x1b60 [ 74.983635][ T7470] ? fault_create_debugfs_attr+0x150/0x150 [ 74.996801][ T7471] FAULT_INJECTION: forcing a failure. [ 74.996801][ T7471] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.996950][ T7470] ? find_held_lock+0x36/0x1d0 [ 75.034122][ T7470] should_fail_alloc_page+0x50/0x60 [ 75.039290][ T7470] __alloc_pages_nodemask+0x17f/0x890 [ 75.044634][ T7470] ? cache_grow_end+0xa8/0x190 [ 75.049392][ T7470] ? __alloc_pages_slowpath+0x2570/0x2570 [ 75.055452][ T7470] ? do_raw_spin_lock+0x132/0x2e0 [ 75.060458][ T7470] cache_grow_begin+0x92/0xca0 [ 75.065193][ T7470] ? __kmalloc+0xc5/0x790 [ 75.069494][ T7470] ? trace_hardirqs_off+0x41/0x1a0 [ 75.074575][ T7470] __kmalloc+0x6cd/0x790 [ 75.078809][ T7470] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 75.084066][ T7470] p9_fcall_init.isra.2+0x55/0x1c0 [ 75.089153][ T7470] p9_client_prepare_req.part.5+0x116/0x670 [ 75.095019][ T7470] p9_client_rpc+0x174/0xe50 [ 75.099584][ T7470] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 75.105361][ T7470] ? p9_client_prepare_req.part.5+0x670/0x670 [ 75.111415][ T7470] ? add_wait_queue+0x107/0x160 [ 75.116247][ T7470] ? p9_pollwait+0x182/0x210 [ 75.120816][ T7470] ? pipe_poll+0x80/0x300 [ 75.125124][ T7470] ? p9_fd_poll+0x19b/0x2a0 [ 75.129607][ T7470] ? p9_conn_create+0x399/0x4e0 [ 75.134437][ T7470] ? p9_conn_create+0x4e0/0x4e0 [ 75.139268][ T7470] p9_client_create+0x7ec/0x10e0 [ 75.144182][ T7470] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.150218][ T7470] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.155732][ T7470] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.162202][ T7470] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.167984][ T7470] ? __kmalloc_track_caller+0x60e/0x780 [ 75.173510][ T7470] ? __x64_sys_mount+0x169/0x1c0 [ 75.178433][ T7470] ? do_syscall_64+0xd0/0x600 [ 75.183080][ T7470] ? lockdep_init_map+0x1b6/0x6c0 [ 75.188079][ T7470] v9fs_session_init+0x1ed/0x14c0 [ 75.193076][ T7470] ? v9fs_session_init+0x1ed/0x14c0 [ 75.198248][ T7470] ? find_held_lock+0x36/0x1d0 [ 75.202986][ T7470] ? v9fs_show_options+0x6c0/0x6c0 [ 75.208069][ T7470] ? __kasan_check_read+0x11/0x20 [ 75.213069][ T7470] ? v9fs_mount+0x55/0x7f0 [ 75.217455][ T7470] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.222973][ T7470] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.229113][ T7470] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.234893][ T7470] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.240410][ T7470] ? apparmor_task_alloc+0x2f0/0x2f0 [ 75.245667][ T7470] v9fs_mount+0x72/0x7f0 [ 75.249888][ T7470] ? v9fs_write_inode+0x50/0x50 [ 75.254712][ T7470] legacy_get_tree+0x103/0x1f0 [ 75.259459][ T7470] vfs_get_tree+0x8b/0x2d0 [ 75.263863][ T7470] ? capable+0x14/0x20 [ 75.267903][ T7470] do_mount+0x1270/0x1b60 [ 75.272204][ T7470] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.277730][ T7470] ? copy_mount_string+0x20/0x20 [ 75.282640][ T7470] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.288160][ T7470] ? __kasan_check_read+0x11/0x20 [ 75.293152][ T7470] ? copy_mount_options+0x77/0x2c0 [ 75.298235][ T7470] __x64_sys_mount+0x169/0x1c0 [ 75.302996][ T7470] do_syscall_64+0xd0/0x600 [ 75.307471][ T7470] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.313352][ T7470] RIP: 0033:0x458da9 [ 75.317227][ T7470] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.337252][ T7470] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.345671][ T7470] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 75.353630][ T7470] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 75.361591][ T7470] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 75.369543][ T7470] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 75.377499][ T7470] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 75.385495][ T7471] CPU: 1 PID: 7471 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 75.394078][ T7471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.404129][ T7471] Call Trace: [ 75.407422][ T7471] dump_stack+0x12d/0x187 [ 75.411751][ T7471] should_fail.cold.4+0x5/0x13 [ 75.416508][ T7471] ? do_mount+0x1270/0x1b60 [ 75.421008][ T7471] ? fault_create_debugfs_attr+0x150/0x150 [ 75.426809][ T7471] ? find_held_lock+0x36/0x1d0 [ 75.431663][ T7471] should_fail_alloc_page+0x50/0x60 [ 75.436848][ T7471] __alloc_pages_nodemask+0x17f/0x890 [ 75.442645][ T7471] ? cache_grow_end+0xa8/0x190 [ 75.447406][ T7471] ? __alloc_pages_slowpath+0x2570/0x2570 [ 75.452086][ T7475] FAULT_INJECTION: forcing a failure. [ 75.452086][ T7475] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.453115][ T7471] ? do_raw_spin_lock+0x132/0x2e0 [ 75.471362][ T7471] cache_grow_begin+0x92/0xca0 [ 75.476099][ T7471] ? __kmalloc+0xc5/0x790 [ 75.480419][ T7471] ? trace_hardirqs_off+0x41/0x1a0 [ 75.485504][ T7471] __kmalloc+0x6cd/0x790 [ 75.489723][ T7471] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 75.494984][ T7471] p9_fcall_init.isra.2+0x55/0x1c0 [ 75.500066][ T7471] p9_client_prepare_req.part.5+0x116/0x670 [ 75.505933][ T7471] p9_client_rpc+0x174/0xe50 [ 75.510499][ T7471] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 75.516275][ T7471] ? p9_client_prepare_req.part.5+0x670/0x670 [ 75.522340][ T7471] ? add_wait_queue+0x107/0x160 [ 75.527163][ T7471] ? p9_pollwait+0x182/0x210 [ 75.531726][ T7471] ? pipe_poll+0x80/0x300 [ 75.536038][ T7471] ? p9_fd_poll+0x19b/0x2a0 [ 75.540520][ T7471] ? p9_conn_create+0x399/0x4e0 [ 75.545344][ T7471] ? p9_conn_create+0x4e0/0x4e0 [ 75.550171][ T7471] p9_client_create+0x7ec/0x10e0 [ 75.555086][ T7471] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.561122][ T7471] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.566637][ T7471] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.572680][ T7471] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.578471][ T7471] ? __kmalloc_track_caller+0x60e/0x780 [ 75.583986][ T7471] ? __x64_sys_mount+0x169/0x1c0 [ 75.588899][ T7471] ? do_syscall_64+0xd0/0x600 [ 75.593545][ T7471] ? lockdep_init_map+0x1b6/0x6c0 [ 75.599499][ T7471] v9fs_session_init+0x1ed/0x14c0 [ 75.604503][ T7471] ? v9fs_session_init+0x1ed/0x14c0 [ 75.609677][ T7471] ? find_held_lock+0x36/0x1d0 [ 75.614424][ T7471] ? v9fs_show_options+0x6c0/0x6c0 [ 75.619550][ T7471] ? __kasan_check_read+0x11/0x20 [ 75.624563][ T7471] ? v9fs_mount+0x55/0x7f0 [ 75.628987][ T7471] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.634511][ T7471] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.640554][ T7471] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 75.646338][ T7471] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.651951][ T7471] ? apparmor_task_alloc+0x2f0/0x2f0 [ 75.657215][ T7471] v9fs_mount+0x72/0x7f0 [ 75.661444][ T7471] ? v9fs_write_inode+0x50/0x50 [ 75.666279][ T7471] legacy_get_tree+0x103/0x1f0 [ 75.671015][ T7471] vfs_get_tree+0x8b/0x2d0 [ 75.675401][ T7471] ? capable+0x14/0x20 [ 75.679442][ T7471] do_mount+0x1270/0x1b60 [ 75.683743][ T7471] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.689262][ T7471] ? copy_mount_string+0x20/0x20 [ 75.694182][ T7471] ? kmem_cache_alloc_trace+0x39e/0x780 [ 75.699702][ T7471] ? __kasan_check_write+0x14/0x20 [ 75.704784][ T7471] ? _copy_from_user+0xd6/0x110 [ 75.709605][ T7471] ? __kasan_check_read+0x11/0x20 [ 75.714600][ T7471] ? copy_mount_options+0x77/0x2c0 [ 75.719682][ T7471] __x64_sys_mount+0x169/0x1c0 [ 75.724429][ T7471] do_syscall_64+0xd0/0x600 [ 75.729173][ T7471] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.735991][ T7471] RIP: 0033:0x458da9 [ 75.739866][ T7471] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.759703][ T7471] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 75.768083][ T7471] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 75.776027][ T7471] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 75.783970][ T7471] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 75.791914][ T7471] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 75.799868][ T7471] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 75.807828][ T7475] CPU: 0 PID: 7475 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 75.816411][ T7475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.826472][ T7475] Call Trace: [ 75.829751][ T7475] dump_stack+0x12d/0x187 [ 75.834073][ T7475] should_fail.cold.4+0x5/0x13 [ 75.834671][ T7477] FAULT_INJECTION: forcing a failure. [ 75.834671][ T7477] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.838820][ T7475] ? do_mount+0x1270/0x1b60 [ 75.838829][ T7475] ? fault_create_debugfs_attr+0x150/0x150 [ 75.862244][ T7475] ? find_held_lock+0x36/0x1d0 [ 75.866985][ T7475] should_fail_alloc_page+0x50/0x60 [ 75.872153][ T7475] __alloc_pages_nodemask+0x17f/0x890 [ 75.877498][ T7475] ? cache_grow_end+0xa8/0x190 [ 75.883361][ T7475] ? __alloc_pages_slowpath+0x2570/0x2570 [ 75.889050][ T7475] ? do_raw_spin_lock+0x132/0x2e0 [ 75.894054][ T7475] cache_grow_begin+0x92/0xca0 [ 75.898799][ T7475] ? __kmalloc+0xc5/0x790 [ 75.903105][ T7475] ? trace_hardirqs_off+0x41/0x1a0 [ 75.908190][ T7475] __kmalloc+0x6cd/0x790 [ 75.912409][ T7475] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 75.917677][ T7475] p9_fcall_init.isra.2+0x55/0x1c0 [ 75.922759][ T7475] p9_client_prepare_req.part.5+0x116/0x670 [ 75.928626][ T7475] p9_client_rpc+0x174/0xe50 [ 75.933190][ T7475] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 75.938967][ T7475] ? p9_client_prepare_req.part.5+0x670/0x670 [ 75.945004][ T7475] ? add_wait_queue+0x107/0x160 [ 75.949827][ T7475] ? p9_pollwait+0x182/0x210 [ 75.954390][ T7475] ? pipe_poll+0x80/0x300 [ 75.958696][ T7475] ? p9_fd_poll+0x19b/0x2a0 [ 75.963171][ T7475] ? p9_conn_create+0x399/0x4e0 [ 75.969817][ T7475] ? p9_conn_create+0x4e0/0x4e0 [ 75.974641][ T7475] p9_client_create+0x7ec/0x10e0 [ 75.979552][ T7475] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 75.985586][ T7475] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 75.991104][ T7475] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 75.997143][ T7475] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.002923][ T7475] ? __kmalloc_track_caller+0x60e/0x780 [ 76.008443][ T7475] ? __x64_sys_mount+0x169/0x1c0 [ 76.013359][ T7475] ? do_syscall_64+0xd0/0x600 [ 76.018005][ T7475] ? lockdep_init_map+0x1b6/0x6c0 [ 76.023093][ T7475] v9fs_session_init+0x1ed/0x14c0 [ 76.028087][ T7475] ? v9fs_session_init+0x1ed/0x14c0 [ 76.033257][ T7475] ? find_held_lock+0x36/0x1d0 [ 76.037994][ T7475] ? v9fs_show_options+0x6c0/0x6c0 [ 76.043075][ T7475] ? __kasan_check_read+0x11/0x20 [ 76.048075][ T7475] ? v9fs_mount+0x55/0x7f0 [ 76.052472][ T7475] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.057989][ T7475] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.064025][ T7475] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.069811][ T7475] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.075328][ T7475] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.080587][ T7475] v9fs_mount+0x72/0x7f0 [ 76.084800][ T7475] ? v9fs_write_inode+0x50/0x50 [ 76.089620][ T7475] legacy_get_tree+0x103/0x1f0 [ 76.094355][ T7475] vfs_get_tree+0x8b/0x2d0 [ 76.098744][ T7475] ? capable+0x14/0x20 [ 76.102784][ T7475] do_mount+0x1270/0x1b60 [ 76.107086][ T7475] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 76.112518][ T7475] ? copy_mount_string+0x20/0x20 [ 76.117513][ T7475] ? retint_kernel+0x2b/0x2b [ 76.122083][ T7475] ? copy_mount_options+0x1b0/0x2c0 [ 76.127266][ T7475] __x64_sys_mount+0x169/0x1c0 [ 76.132010][ T7475] do_syscall_64+0xd0/0x600 [ 76.136487][ T7475] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.142359][ T7475] RIP: 0033:0x458da9 [ 76.146236][ T7475] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.165831][ T7475] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.174232][ T7475] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 76.182282][ T7475] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 76.190231][ T7475] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 76.198186][ T7475] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 76.206224][ T7475] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 76.214191][ T7477] CPU: 1 PID: 7477 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 76.222770][ T7477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.232813][ T7477] Call Trace: [ 76.232825][ T7477] dump_stack+0x12d/0x187 [ 76.232837][ T7477] should_fail.cold.4+0x5/0x13 [ 76.232844][ T7477] ? do_mount+0x1270/0x1b60 [ 76.232852][ T7477] ? fault_create_debugfs_attr+0x150/0x150 [ 76.232862][ T7477] ? find_held_lock+0x36/0x1d0 [ 76.232871][ T7477] should_fail_alloc_page+0x50/0x60 [ 76.245214][ T7477] __alloc_pages_nodemask+0x17f/0x890 [ 76.245222][ T7477] ? cache_grow_end+0xa8/0x190 [ 76.245230][ T7477] ? __alloc_pages_slowpath+0x2570/0x2570 [ 76.245236][ T7477] ? do_raw_spin_lock+0x132/0x2e0 [ 76.245250][ T7477] cache_grow_begin+0x92/0xca0 [ 76.255505][ T7477] ? __kmalloc+0xc5/0x790 [ 76.255513][ T7477] ? trace_hardirqs_off+0x41/0x1a0 [ 76.255522][ T7477] __kmalloc+0x6cd/0x790 [ 76.255532][ T7477] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 76.255540][ T7477] p9_fcall_init.isra.2+0x55/0x1c0 [ 76.255547][ T7477] p9_client_prepare_req.part.5+0x116/0x670 [ 76.255557][ T7477] p9_client_rpc+0x174/0xe50 [ 76.255566][ T7477] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 76.255571][ T7477] ? p9_client_prepare_req.part.5+0x670/0x670 [ 76.255578][ T7477] ? add_wait_queue+0x107/0x160 [ 76.255585][ T7477] ? p9_pollwait+0x182/0x210 [ 76.255594][ T7477] ? pipe_poll+0x80/0x300 [ 76.255602][ T7477] ? p9_fd_poll+0x19b/0x2a0 [ 76.255609][ T7477] ? p9_conn_create+0x399/0x4e0 [ 76.255618][ T7477] ? p9_conn_create+0x4e0/0x4e0 [ 76.255630][ T7477] p9_client_create+0x7ec/0x10e0 [ 76.270890][ T7477] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 76.270897][ T7477] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.270903][ T7477] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.270910][ T7477] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.270920][ T7477] ? __kmalloc_track_caller+0x60e/0x780 [ 76.270928][ T7477] ? __x64_sys_mount+0x169/0x1c0 [ 76.281381][ T7477] ? do_syscall_64+0xd0/0x600 [ 76.281392][ T7477] ? lockdep_init_map+0x1b6/0x6c0 [ 76.281408][ T7477] v9fs_session_init+0x1ed/0x14c0 [ 76.281413][ T7477] ? v9fs_session_init+0x1ed/0x14c0 [ 76.281422][ T7477] ? find_held_lock+0x36/0x1d0 [ 76.295472][ T7477] ? v9fs_show_options+0x6c0/0x6c0 [ 76.295480][ T7477] ? __kasan_check_read+0x11/0x20 [ 76.295487][ T7477] ? v9fs_mount+0x55/0x7f0 [ 76.295493][ T7477] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.295499][ T7477] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.295504][ T7477] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.295514][ T7477] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.295523][ T7477] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.295531][ T7477] v9fs_mount+0x72/0x7f0 [ 76.295539][ T7477] ? v9fs_write_inode+0x50/0x50 [ 76.295546][ T7477] legacy_get_tree+0x103/0x1f0 [ 76.295556][ T7477] vfs_get_tree+0x8b/0x2d0 [ 76.295562][ T7477] ? capable+0x14/0x20 [ 76.295570][ T7477] do_mount+0x1270/0x1b60 [ 76.295576][ T7477] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.304885][ T7477] ? copy_mount_string+0x20/0x20 [ 76.304896][ T7477] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.304903][ T7477] ? __kasan_check_write+0x14/0x20 [ 76.304909][ T7477] ? _copy_from_user+0xd6/0x110 [ 76.304917][ T7477] ? __kasan_check_read+0x11/0x20 [ 76.304922][ T7477] ? copy_mount_options+0x77/0x2c0 [ 76.304930][ T7477] __x64_sys_mount+0x169/0x1c0 [ 76.304940][ T7477] do_syscall_64+0xd0/0x600 [ 76.304949][ T7477] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.304956][ T7477] RIP: 0033:0x458da9 [ 76.321171][ T7477] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.337575][ T7477] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 76.337581][ T7477] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 76.337585][ T7477] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 76.337588][ T7477] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 76.337591][ T7477] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 76.337594][ T7477] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 76.368553][ T7484] FAULT_INJECTION: forcing a failure. [ 76.368553][ T7484] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 76.388195][ T7489] FAULT_INJECTION: forcing a failure. [ 76.388195][ T7489] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 76.388229][ T7484] CPU: 1 PID: 7484 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 76.657342][ T7484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 76.667371][ T7484] Call Trace: [ 76.670913][ T7484] dump_stack+0x12d/0x187 [ 76.675395][ T7484] should_fail.cold.4+0x5/0x13 [ 76.680151][ T7484] ? do_mount+0x1270/0x1b60 [ 76.684628][ T7484] ? fault_create_debugfs_attr+0x150/0x150 [ 76.690406][ T7484] ? find_held_lock+0x36/0x1d0 [ 76.695160][ T7484] should_fail_alloc_page+0x50/0x60 [ 76.700349][ T7484] __alloc_pages_nodemask+0x17f/0x890 [ 76.705699][ T7484] ? cache_grow_end+0xa8/0x190 [ 76.710436][ T7484] ? __alloc_pages_slowpath+0x2570/0x2570 [ 76.716133][ T7484] ? do_raw_spin_lock+0x132/0x2e0 [ 76.721143][ T7484] cache_grow_begin+0x92/0xca0 [ 76.725883][ T7484] ? __kmalloc+0xc5/0x790 [ 76.730190][ T7484] ? trace_hardirqs_off+0x41/0x1a0 [ 76.735276][ T7484] __kmalloc+0x6cd/0x790 [ 76.739581][ T7484] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 76.744850][ T7484] p9_fcall_init.isra.2+0x55/0x1c0 [ 76.749933][ T7484] p9_client_prepare_req.part.5+0x116/0x670 [ 76.755811][ T7484] p9_client_rpc+0x174/0xe50 [ 76.760375][ T7484] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 76.766154][ T7484] ? p9_client_prepare_req.part.5+0x670/0x670 [ 76.772191][ T7484] ? add_wait_queue+0x107/0x160 [ 76.777015][ T7484] ? p9_pollwait+0x182/0x210 [ 76.781578][ T7484] ? pipe_poll+0x80/0x300 [ 76.785882][ T7484] ? p9_fd_poll+0x19b/0x2a0 [ 76.790367][ T7484] ? p9_conn_create+0x399/0x4e0 [ 76.795192][ T7484] ? p9_conn_create+0x4e0/0x4e0 [ 76.800019][ T7484] p9_client_create+0x7ec/0x10e0 [ 76.804933][ T7484] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 76.811060][ T7484] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.816665][ T7484] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.822710][ T7484] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.828490][ T7484] ? __kmalloc_track_caller+0x60e/0x780 [ 76.834006][ T7484] ? __x64_sys_mount+0x169/0x1c0 [ 76.838915][ T7484] ? do_syscall_64+0xd0/0x600 [ 76.843570][ T7484] ? lockdep_init_map+0x1b6/0x6c0 [ 76.848574][ T7484] v9fs_session_init+0x1ed/0x14c0 [ 76.853578][ T7484] ? v9fs_session_init+0x1ed/0x14c0 [ 76.858749][ T7484] ? find_held_lock+0x36/0x1d0 [ 76.863489][ T7484] ? v9fs_show_options+0x6c0/0x6c0 [ 76.868572][ T7484] ? __kasan_check_read+0x11/0x20 [ 76.873656][ T7484] ? v9fs_mount+0x55/0x7f0 [ 76.878043][ T7484] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.883558][ T7484] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 76.889594][ T7484] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 76.895374][ T7484] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.900987][ T7484] ? apparmor_task_alloc+0x2f0/0x2f0 [ 76.907893][ T7484] v9fs_mount+0x72/0x7f0 [ 76.912107][ T7484] ? v9fs_write_inode+0x50/0x50 [ 76.916932][ T7484] legacy_get_tree+0x103/0x1f0 [ 76.921671][ T7484] vfs_get_tree+0x8b/0x2d0 [ 76.926056][ T7484] ? capable+0x14/0x20 [ 76.930099][ T7484] do_mount+0x1270/0x1b60 [ 76.934399][ T7484] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 76.939914][ T7484] ? copy_mount_string+0x20/0x20 [ 76.944830][ T7484] ? kmem_cache_alloc_trace+0x39e/0x780 [ 76.950349][ T7484] ? __kasan_check_read+0x11/0x20 [ 76.955344][ T7484] ? copy_mount_options+0x77/0x2c0 [ 76.960437][ T7484] __x64_sys_mount+0x169/0x1c0 [ 76.965176][ T7484] do_syscall_64+0xd0/0x600 [ 76.969656][ T7484] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.975521][ T7484] RIP: 0033:0x458da9 [ 76.979389][ T7484] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 76.999918][ T7484] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 77.008298][ T7484] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 77.016245][ T7484] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.024198][ T7484] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.032140][ T7484] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 77.040274][ T7484] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.048234][ T7489] CPU: 0 PID: 7489 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 77.056815][ T7489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.064254][ T7492] FAULT_INJECTION: forcing a failure. [ 77.064254][ T7492] name failslab, interval 1, probability 0, space 0, times 0 [ 77.066858][ T7489] Call Trace: [ 77.066871][ T7489] dump_stack+0x12d/0x187 [ 77.066883][ T7489] should_fail.cold.4+0x5/0x13 [ 77.066889][ T7489] ? do_mount+0x1270/0x1b60 [ 77.066896][ T7489] ? fault_create_debugfs_attr+0x150/0x150 [ 77.083866][ T7489] ? find_held_lock+0x36/0x1d0 [ 77.083877][ T7489] should_fail_alloc_page+0x50/0x60 [ 77.083883][ T7489] __alloc_pages_nodemask+0x17f/0x890 [ 77.083890][ T7489] ? cache_grow_end+0xa8/0x190 [ 77.083897][ T7489] ? __alloc_pages_slowpath+0x2570/0x2570 [ 77.083905][ T7489] ? do_raw_spin_lock+0x132/0x2e0 [ 77.092951][ T7489] cache_grow_begin+0x92/0xca0 [ 77.092957][ T7489] ? __kmalloc+0xc5/0x790 [ 77.092963][ T7489] ? trace_hardirqs_off+0x41/0x1a0 [ 77.092971][ T7489] __kmalloc+0x6cd/0x790 [ 77.103231][ T7489] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.103239][ T7489] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.103247][ T7489] p9_client_prepare_req.part.5+0x116/0x670 [ 77.103257][ T7489] p9_client_rpc+0x174/0xe50 [ 77.103270][ T7489] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 77.118539][ T7489] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.118547][ T7489] ? add_wait_queue+0x107/0x160 [ 77.118556][ T7489] ? p9_pollwait+0x182/0x210 [ 77.118566][ T7489] ? pipe_poll+0x80/0x300 [ 77.118574][ T7489] ? p9_fd_poll+0x19b/0x2a0 [ 77.118582][ T7489] ? p9_conn_create+0x399/0x4e0 [ 77.118593][ T7489] ? p9_conn_create+0x4e0/0x4e0 [ 77.134039][ T7489] p9_client_create+0x7ec/0x10e0 [ 77.148179][ T7489] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.148186][ T7489] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.148192][ T7489] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.148198][ T7489] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.148208][ T7489] ? __kmalloc_track_caller+0x60e/0x780 [ 77.246746][ T7489] ? __x64_sys_mount+0x169/0x1c0 [ 77.251765][ T7489] ? do_syscall_64+0xd0/0x600 [ 77.256423][ T7489] ? lockdep_init_map+0x1b6/0x6c0 [ 77.261439][ T7489] v9fs_session_init+0x1ed/0x14c0 [ 77.266441][ T7489] ? v9fs_session_init+0x1ed/0x14c0 [ 77.271616][ T7489] ? find_held_lock+0x36/0x1d0 [ 77.276458][ T7489] ? v9fs_show_options+0x6c0/0x6c0 [ 77.281553][ T7489] ? __kasan_check_read+0x11/0x20 [ 77.286570][ T7489] ? v9fs_mount+0x55/0x7f0 [ 77.290963][ T7489] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.296481][ T7489] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.302519][ T7489] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.308300][ T7489] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.313821][ T7489] ? apparmor_task_alloc+0x2f0/0x2f0 [ 77.319080][ T7489] v9fs_mount+0x72/0x7f0 [ 77.323297][ T7489] ? v9fs_write_inode+0x50/0x50 [ 77.328133][ T7489] legacy_get_tree+0x103/0x1f0 [ 77.332883][ T7489] vfs_get_tree+0x8b/0x2d0 [ 77.337279][ T7489] ? capable+0x14/0x20 [ 77.341341][ T7489] do_mount+0x1270/0x1b60 [ 77.345651][ T7489] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.351170][ T7489] ? copy_mount_string+0x20/0x20 [ 77.356085][ T7489] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.361606][ T7489] ? __kasan_check_write+0x14/0x20 [ 77.366691][ T7489] ? _copy_from_user+0xd6/0x110 [ 77.371520][ T7489] ? __kasan_check_read+0x11/0x20 [ 77.376519][ T7489] ? copy_mount_options+0x77/0x2c0 [ 77.381604][ T7489] __x64_sys_mount+0x169/0x1c0 [ 77.386343][ T7489] do_syscall_64+0xd0/0x600 [ 77.390825][ T7489] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.396691][ T7489] RIP: 0033:0x458da9 [ 77.400558][ T7489] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.420579][ T7489] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 77.428970][ T7489] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 77.436915][ T7489] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.444957][ T7489] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.452917][ T7489] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 77.461043][ T7489] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.469008][ T7492] CPU: 1 PID: 7492 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 77.477591][ T7492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.487640][ T7492] Call Trace: [ 77.490931][ T7492] dump_stack+0x12d/0x187 [ 77.491787][ T7499] FAULT_INJECTION: forcing a failure. [ 77.491787][ T7499] name failslab, interval 1, probability 0, space 0, times 0 [ 77.495267][ T7492] should_fail.cold.4+0x5/0x13 [ 77.495276][ T7492] ? fault_create_debugfs_attr+0x150/0x150 [ 77.495283][ T7492] ? ___might_sleep+0x16b/0x2b0 [ 77.495292][ T7492] __should_failslab+0xba/0xf0 [ 77.495300][ T7492] should_failslab+0x9/0x14 [ 77.495312][ T7492] __kmalloc+0x2eb/0x790 [ 77.495321][ T7492] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.495329][ T7492] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.495337][ T7492] p9_client_prepare_req.part.5+0x116/0x670 [ 77.495346][ T7492] p9_client_rpc+0x174/0xe50 [ 77.495355][ T7492] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 77.495361][ T7492] ? p9_client_prepare_req.part.5+0x670/0x670 [ 77.495368][ T7492] ? add_wait_queue+0x107/0x160 [ 77.495376][ T7492] ? p9_pollwait+0x182/0x210 [ 77.495384][ T7492] ? pipe_poll+0x80/0x300 [ 77.495392][ T7492] ? p9_fd_poll+0x19b/0x2a0 [ 77.495400][ T7492] ? p9_conn_create+0x399/0x4e0 [ 77.495409][ T7492] ? p9_conn_create+0x4e0/0x4e0 [ 77.495422][ T7492] p9_client_create+0x7ec/0x10e0 [ 77.495435][ T7492] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 77.495440][ T7492] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.495445][ T7492] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.495453][ T7492] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.510832][ T7486] FAULT_INJECTION: forcing a failure. [ 77.510832][ T7486] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.512784][ T7492] ? __kmalloc_track_caller+0x60e/0x780 [ 77.644679][ T7492] ? __x64_sys_mount+0x169/0x1c0 [ 77.649605][ T7492] ? do_syscall_64+0xd0/0x600 [ 77.654255][ T7492] ? lockdep_init_map+0x1b6/0x6c0 [ 77.659262][ T7492] v9fs_session_init+0x1ed/0x14c0 [ 77.664256][ T7492] ? v9fs_session_init+0x1ed/0x14c0 [ 77.669427][ T7492] ? find_held_lock+0x36/0x1d0 [ 77.674166][ T7492] ? v9fs_show_options+0x6c0/0x6c0 [ 77.679257][ T7492] ? __kasan_check_read+0x11/0x20 [ 77.684258][ T7492] ? v9fs_mount+0x55/0x7f0 [ 77.688654][ T7492] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.694171][ T7492] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 77.700206][ T7492] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 77.705983][ T7492] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.711516][ T7492] ? apparmor_task_alloc+0x2f0/0x2f0 [ 77.716778][ T7492] v9fs_mount+0x72/0x7f0 [ 77.720995][ T7492] ? v9fs_write_inode+0x50/0x50 [ 77.725827][ T7492] legacy_get_tree+0x103/0x1f0 [ 77.730564][ T7492] vfs_get_tree+0x8b/0x2d0 [ 77.734953][ T7492] ? capable+0x14/0x20 [ 77.738993][ T7492] do_mount+0x1270/0x1b60 [ 77.743296][ T7492] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 77.748827][ T7492] ? copy_mount_string+0x20/0x20 [ 77.753740][ T7492] ? kmem_cache_alloc_trace+0x39e/0x780 [ 77.759261][ T7492] ? __kasan_check_write+0x14/0x20 [ 77.764363][ T7492] ? _copy_from_user+0xd6/0x110 [ 77.769198][ T7492] ? __kasan_check_read+0x11/0x20 [ 77.774200][ T7492] ? copy_mount_options+0x77/0x2c0 [ 77.779311][ T7492] __x64_sys_mount+0x169/0x1c0 [ 77.784076][ T7492] do_syscall_64+0xd0/0x600 [ 77.788567][ T7492] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 77.794440][ T7492] RIP: 0033:0x458da9 [ 77.798375][ T7492] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 77.817973][ T7492] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 77.826367][ T7492] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 77.834326][ T7492] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 77.842275][ T7492] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 77.850240][ T7492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 77.858202][ T7492] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 77.866165][ T7486] CPU: 0 PID: 7486 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 77.874738][ T7486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.874742][ T7486] Call Trace: [ 77.874753][ T7486] dump_stack+0x12d/0x187 [ 77.874778][ T7486] should_fail.cold.4+0x5/0x13 [ 77.874784][ T7486] ? do_mount+0x1270/0x1b60 [ 77.874792][ T7486] ? fault_create_debugfs_attr+0x150/0x150 [ 77.907497][ T7486] ? find_held_lock+0x36/0x1d0 [ 77.910946][ T7502] FAULT_INJECTION: forcing a failure. [ 77.910946][ T7502] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.912278][ T7486] should_fail_alloc_page+0x50/0x60 [ 77.930633][ T7486] __alloc_pages_nodemask+0x17f/0x890 [ 77.935989][ T7486] ? cache_grow_end+0xa8/0x190 [ 77.940735][ T7486] ? __alloc_pages_slowpath+0x2570/0x2570 [ 77.946431][ T7486] ? do_raw_spin_lock+0x132/0x2e0 [ 77.951437][ T7486] cache_grow_begin+0x92/0xca0 [ 77.956172][ T7486] ? __kmalloc+0xc5/0x790 [ 77.960475][ T7486] ? trace_hardirqs_off+0x41/0x1a0 [ 77.965583][ T7486] __kmalloc+0x6cd/0x790 [ 77.969812][ T7486] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 77.975072][ T7486] p9_fcall_init.isra.2+0x55/0x1c0 [ 77.980191][ T7486] p9_client_prepare_req.part.5+0x116/0x670 [ 77.986062][ T7486] p9_client_rpc+0x174/0xe50 [ 77.990649][ T7486] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 77.996426][ T7486] ? p9_client_prepare_req.part.5+0x670/0x670 [ 78.002464][ T7486] ? add_wait_queue+0x107/0x160 [ 78.007299][ T7486] ? p9_pollwait+0x182/0x210 [ 78.011865][ T7486] ? pipe_poll+0x80/0x300 [ 78.016171][ T7486] ? p9_fd_poll+0x19b/0x2a0 [ 78.020671][ T7486] ? p9_conn_create+0x399/0x4e0 [ 78.025513][ T7486] ? p9_conn_create+0x4e0/0x4e0 [ 78.030449][ T7486] p9_client_create+0x7ec/0x10e0 [ 78.035375][ T7486] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 78.041422][ T7486] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.046965][ T7486] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.053020][ T7486] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.058818][ T7486] ? __kmalloc_track_caller+0x60e/0x780 [ 78.064349][ T7486] ? __x64_sys_mount+0x169/0x1c0 [ 78.069276][ T7486] ? do_syscall_64+0xd0/0x600 [ 78.073936][ T7486] ? lockdep_init_map+0x1b6/0x6c0 [ 78.078951][ T7486] v9fs_session_init+0x1ed/0x14c0 [ 78.083958][ T7486] ? v9fs_session_init+0x1ed/0x14c0 [ 78.089130][ T7486] ? find_held_lock+0x36/0x1d0 [ 78.093870][ T7486] ? v9fs_show_options+0x6c0/0x6c0 [ 78.098952][ T7486] ? __kasan_check_read+0x11/0x20 [ 78.103961][ T7486] ? v9fs_mount+0x55/0x7f0 [ 78.108365][ T7486] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.113882][ T7486] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.119933][ T7486] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.125715][ T7486] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.131246][ T7486] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.136506][ T7486] v9fs_mount+0x72/0x7f0 [ 78.140724][ T7486] ? v9fs_write_inode+0x50/0x50 [ 78.145549][ T7486] legacy_get_tree+0x103/0x1f0 [ 78.150289][ T7486] vfs_get_tree+0x8b/0x2d0 [ 78.154678][ T7486] ? capable+0x14/0x20 [ 78.158809][ T7486] do_mount+0x1270/0x1b60 [ 78.163546][ T7486] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.169087][ T7486] ? copy_mount_string+0x20/0x20 [ 78.174019][ T7486] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.179544][ T7486] ? __kasan_check_write+0x14/0x20 [ 78.184651][ T7486] ? _copy_from_user+0xd6/0x110 [ 78.189502][ T7486] ? __kasan_check_read+0x11/0x20 [ 78.194521][ T7486] ? copy_mount_options+0x77/0x2c0 [ 78.199654][ T7486] __x64_sys_mount+0x169/0x1c0 [ 78.204426][ T7486] do_syscall_64+0xd0/0x600 [ 78.208913][ T7486] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.214806][ T7486] RIP: 0033:0x458da9 [ 78.218744][ T7486] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.238533][ T7486] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.247227][ T7486] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 78.255195][ T7486] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.263179][ T7486] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 78.271172][ T7486] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 78.279136][ T7486] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 78.287114][ T7502] CPU: 1 PID: 7502 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 78.295699][ T7502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.305752][ T7502] Call Trace: [ 78.309046][ T7502] dump_stack+0x12d/0x187 [ 78.313378][ T7502] should_fail.cold.4+0x5/0x13 [ 78.318269][ T7502] ? do_mount+0x1270/0x1b60 [ 78.322770][ T7502] ? fault_create_debugfs_attr+0x150/0x150 [ 78.328612][ T7502] ? find_held_lock+0x36/0x1d0 [ 78.333380][ T7502] should_fail_alloc_page+0x50/0x60 [ 78.338577][ T7502] __alloc_pages_nodemask+0x17f/0x890 [ 78.343963][ T7502] ? cache_grow_end+0xa8/0x190 [ 78.348715][ T7502] ? __alloc_pages_slowpath+0x2570/0x2570 [ 78.348722][ T7502] ? do_raw_spin_lock+0x132/0x2e0 [ 78.348738][ T7502] cache_grow_begin+0x92/0xca0 [ 78.348743][ T7502] ? __kmalloc+0xc5/0x790 [ 78.348751][ T7502] ? trace_hardirqs_off+0x41/0x1a0 [ 78.348759][ T7502] __kmalloc+0x6cd/0x790 [ 78.348770][ T7502] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 78.348779][ T7502] p9_fcall_init.isra.2+0x55/0x1c0 [ 78.348786][ T7502] p9_client_prepare_req.part.5+0x116/0x670 [ 78.348795][ T7502] p9_client_rpc+0x174/0xe50 [ 78.398692][ T7502] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 78.404927][ T7502] ? p9_client_prepare_req.part.5+0x670/0x670 [ 78.410999][ T7502] ? add_wait_queue+0x107/0x160 [ 78.415845][ T7502] ? p9_pollwait+0x182/0x210 [ 78.420418][ T7502] ? pipe_poll+0x80/0x300 [ 78.424789][ T7502] ? p9_fd_poll+0x19b/0x2a0 [ 78.429288][ T7502] ? p9_conn_create+0x399/0x4e0 [ 78.429600][ T7508] FAULT_INJECTION: forcing a failure. [ 78.429600][ T7508] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 78.434212][ T7502] ? p9_conn_create+0x4e0/0x4e0 [ 78.452304][ T7502] p9_client_create+0x7ec/0x10e0 [ 78.457221][ T7502] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 78.463276][ T7502] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.468825][ T7502] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.474874][ T7502] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.480683][ T7502] ? __kmalloc_track_caller+0x60e/0x780 [ 78.487266][ T7502] ? __x64_sys_mount+0x169/0x1c0 [ 78.492180][ T7502] ? do_syscall_64+0xd0/0x600 [ 78.496841][ T7502] ? lockdep_init_map+0x1b6/0x6c0 [ 78.501845][ T7502] v9fs_session_init+0x1ed/0x14c0 [ 78.506844][ T7502] ? v9fs_session_init+0x1ed/0x14c0 [ 78.512051][ T7502] ? find_held_lock+0x36/0x1d0 [ 78.516825][ T7502] ? v9fs_show_options+0x6c0/0x6c0 [ 78.521937][ T7502] ? __kasan_check_read+0x11/0x20 [ 78.526969][ T7502] ? v9fs_mount+0x55/0x7f0 [ 78.531385][ T7502] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.537010][ T7502] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.543049][ T7502] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.548830][ T7502] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.554393][ T7502] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.559677][ T7502] v9fs_mount+0x72/0x7f0 [ 78.563909][ T7502] ? v9fs_write_inode+0x50/0x50 [ 78.568738][ T7502] legacy_get_tree+0x103/0x1f0 [ 78.573477][ T7502] vfs_get_tree+0x8b/0x2d0 [ 78.577865][ T7502] ? capable+0x14/0x20 [ 78.581908][ T7502] do_mount+0x1270/0x1b60 [ 78.586213][ T7502] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.591754][ T7502] ? copy_mount_string+0x20/0x20 [ 78.596686][ T7502] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.602216][ T7502] ? __kasan_check_write+0x14/0x20 [ 78.607493][ T7502] ? _copy_from_user+0xd6/0x110 [ 78.612320][ T7502] ? __kasan_check_read+0x11/0x20 [ 78.617317][ T7502] ? copy_mount_options+0x77/0x2c0 [ 78.622403][ T7502] __x64_sys_mount+0x169/0x1c0 [ 78.627142][ T7502] do_syscall_64+0xd0/0x600 [ 78.631623][ T7502] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 78.637483][ T7502] RIP: 0033:0x458da9 [ 78.641350][ T7502] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 78.660928][ T7502] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 78.669319][ T7502] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 2019/12/18 21:48:52 executed programs: 58 [ 78.677280][ T7502] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 78.685225][ T7502] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 78.693602][ T7502] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 78.701546][ T7502] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 78.709509][ T7508] CPU: 0 PID: 7508 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 78.718091][ T7508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.723495][ T7510] FAULT_INJECTION: forcing a failure. [ 78.723495][ T7510] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 78.728155][ T7508] Call Trace: [ 78.744588][ T7508] dump_stack+0x12d/0x187 [ 78.748893][ T7508] should_fail.cold.4+0x5/0x13 [ 78.753628][ T7508] ? do_mount+0x1270/0x1b60 [ 78.758122][ T7508] ? fault_create_debugfs_attr+0x150/0x150 [ 78.763920][ T7508] ? find_held_lock+0x36/0x1d0 [ 78.768664][ T7508] should_fail_alloc_page+0x50/0x60 [ 78.773847][ T7508] __alloc_pages_nodemask+0x17f/0x890 [ 78.779211][ T7508] ? cache_grow_end+0xa8/0x190 [ 78.783950][ T7508] ? __alloc_pages_slowpath+0x2570/0x2570 [ 78.789655][ T7508] ? do_raw_spin_lock+0x132/0x2e0 [ 78.794656][ T7508] cache_grow_begin+0x92/0xca0 [ 78.799390][ T7508] ? __kmalloc+0xc5/0x790 [ 78.803692][ T7508] ? trace_hardirqs_off+0x41/0x1a0 [ 78.808863][ T7508] __kmalloc+0x6cd/0x790 [ 78.813082][ T7508] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 78.818348][ T7508] p9_fcall_init.isra.2+0x55/0x1c0 [ 78.824129][ T7508] p9_client_prepare_req.part.5+0x116/0x670 [ 78.830007][ T7508] p9_client_rpc+0x174/0xe50 [ 78.834680][ T7508] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 78.840472][ T7508] ? p9_client_prepare_req.part.5+0x670/0x670 [ 78.846545][ T7508] ? add_wait_queue+0x107/0x160 [ 78.851394][ T7508] ? p9_pollwait+0x182/0x210 [ 78.855983][ T7508] ? pipe_poll+0x80/0x300 [ 78.860295][ T7508] ? p9_fd_poll+0x19b/0x2a0 [ 78.865743][ T7508] ? p9_conn_create+0x399/0x4e0 [ 78.870575][ T7508] ? p9_conn_create+0x4e0/0x4e0 [ 78.875419][ T7508] p9_client_create+0x7ec/0x10e0 [ 78.880338][ T7508] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 78.886398][ T7508] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.891917][ T7508] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.897957][ T7508] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.903754][ T7508] ? __kmalloc_track_caller+0x60e/0x780 [ 78.909287][ T7508] ? __x64_sys_mount+0x169/0x1c0 [ 78.914207][ T7508] ? do_syscall_64+0xd0/0x600 [ 78.918855][ T7508] ? lockdep_init_map+0x1b6/0x6c0 [ 78.923854][ T7508] v9fs_session_init+0x1ed/0x14c0 [ 78.928859][ T7508] ? v9fs_session_init+0x1ed/0x14c0 [ 78.934049][ T7508] ? find_held_lock+0x36/0x1d0 [ 78.938791][ T7508] ? v9fs_show_options+0x6c0/0x6c0 [ 78.943875][ T7508] ? __kasan_check_read+0x11/0x20 [ 78.948874][ T7508] ? v9fs_mount+0x55/0x7f0 [ 78.953263][ T7508] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 78.958778][ T7508] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 78.964817][ T7508] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 78.970597][ T7508] ? kmem_cache_alloc_trace+0x39e/0x780 [ 78.976115][ T7508] ? apparmor_task_alloc+0x2f0/0x2f0 [ 78.981372][ T7508] v9fs_mount+0x72/0x7f0 [ 78.985591][ T7508] ? v9fs_write_inode+0x50/0x50 [ 78.990414][ T7508] legacy_get_tree+0x103/0x1f0 [ 78.995150][ T7508] vfs_get_tree+0x8b/0x2d0 [ 78.999535][ T7508] ? capable+0x14/0x20 [ 79.003577][ T7508] do_mount+0x1270/0x1b60 [ 79.007879][ T7508] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.013400][ T7508] ? copy_mount_string+0x20/0x20 [ 79.018310][ T7508] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.023830][ T7508] ? __kasan_check_write+0x14/0x20 [ 79.028912][ T7508] ? _copy_from_user+0xd6/0x110 [ 79.033739][ T7508] ? __kasan_check_read+0x11/0x20 [ 79.038733][ T7508] ? copy_mount_options+0x77/0x2c0 [ 79.043815][ T7508] __x64_sys_mount+0x169/0x1c0 [ 79.048553][ T7508] do_syscall_64+0xd0/0x600 [ 79.053030][ T7508] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.058905][ T7508] RIP: 0033:0x458da9 [ 79.062772][ T7508] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.082360][ T7508] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 79.090741][ T7508] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 79.098687][ T7508] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 79.106637][ T7508] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 79.114583][ T7508] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 79.122540][ T7508] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.130503][ T7510] CPU: 1 PID: 7510 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 79.139078][ T7510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.149115][ T7510] Call Trace: [ 79.149126][ T7510] dump_stack+0x12d/0x187 [ 79.149136][ T7510] should_fail.cold.4+0x5/0x13 [ 79.149142][ T7510] ? do_mount+0x1270/0x1b60 [ 79.149148][ T7510] ? fault_create_debugfs_attr+0x150/0x150 [ 79.149158][ T7510] ? find_held_lock+0x36/0x1d0 [ 79.149168][ T7510] should_fail_alloc_page+0x50/0x60 [ 79.182195][ T7510] __alloc_pages_nodemask+0x17f/0x890 [ 79.187555][ T7510] ? cache_grow_end+0xa8/0x190 [ 79.192311][ T7510] ? __alloc_pages_slowpath+0x2570/0x2570 [ 79.198021][ T7510] ? do_raw_spin_lock+0x132/0x2e0 [ 79.198036][ T7510] cache_grow_begin+0x92/0xca0 [ 79.198040][ T7510] ? __kmalloc+0xc5/0x790 [ 79.198047][ T7510] ? trace_hardirqs_off+0x41/0x1a0 [ 79.198054][ T7510] __kmalloc+0x6cd/0x790 [ 79.198063][ T7510] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 79.198070][ T7510] p9_fcall_init.isra.2+0x55/0x1c0 [ 79.198078][ T7510] p9_client_prepare_req.part.5+0x116/0x670 [ 79.198087][ T7510] p9_client_rpc+0x174/0xe50 [ 79.198098][ T7510] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 79.226725][ T7510] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.226733][ T7510] ? add_wait_queue+0x107/0x160 [ 79.226740][ T7510] ? p9_pollwait+0x182/0x210 [ 79.226748][ T7510] ? pipe_poll+0x80/0x300 [ 79.226755][ T7510] ? p9_fd_poll+0x19b/0x2a0 [ 79.226762][ T7510] ? p9_conn_create+0x399/0x4e0 [ 79.226770][ T7510] ? p9_conn_create+0x4e0/0x4e0 [ 79.226782][ T7510] p9_client_create+0x7ec/0x10e0 [ 79.226794][ T7510] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 79.226800][ T7510] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.226806][ T7510] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.226812][ T7510] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.226822][ T7510] ? __kmalloc_track_caller+0x60e/0x780 [ 79.226828][ T7510] ? __x64_sys_mount+0x169/0x1c0 [ 79.226834][ T7510] ? do_syscall_64+0xd0/0x600 [ 79.226838][ T7510] ? lockdep_init_map+0x1b6/0x6c0 [ 79.226851][ T7510] v9fs_session_init+0x1ed/0x14c0 [ 79.242582][ T7510] ? v9fs_session_init+0x1ed/0x14c0 [ 79.343097][ T7510] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 79.348552][ T7510] ? find_held_lock+0x36/0x1d0 [ 79.353299][ T7510] ? v9fs_show_options+0x6c0/0x6c0 [ 79.358479][ T7510] ? __kasan_check_read+0x11/0x20 [ 79.363483][ T7510] ? v9fs_mount+0x55/0x7f0 [ 79.367877][ T7510] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.373416][ T7510] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.379553][ T7510] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.385349][ T7510] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.390890][ T7510] ? apparmor_task_alloc+0x2f0/0x2f0 [ 79.396175][ T7510] v9fs_mount+0x72/0x7f0 [ 79.400402][ T7510] ? v9fs_write_inode+0x50/0x50 [ 79.405229][ T7510] legacy_get_tree+0x103/0x1f0 [ 79.409973][ T7510] vfs_get_tree+0x8b/0x2d0 [ 79.414370][ T7510] ? capable+0x14/0x20 [ 79.418425][ T7510] do_mount+0x1270/0x1b60 [ 79.422738][ T7510] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.428876][ T7510] ? copy_mount_string+0x20/0x20 [ 79.433972][ T7510] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.439498][ T7510] ? __kasan_check_write+0x14/0x20 [ 79.444603][ T7510] ? _copy_from_user+0xd6/0x110 [ 79.449516][ T7510] ? __kasan_check_read+0x11/0x20 [ 79.454517][ T7510] ? copy_mount_options+0x77/0x2c0 [ 79.459610][ T7510] __x64_sys_mount+0x169/0x1c0 [ 79.464364][ T7510] do_syscall_64+0xd0/0x600 [ 79.468844][ T7510] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.474714][ T7510] RIP: 0033:0x458da9 [ 79.478604][ T7510] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.499314][ T7510] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 79.507720][ T7510] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 79.515671][ T7510] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 79.523647][ T7510] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 79.531618][ T7510] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 79.532208][ T7518] FAULT_INJECTION: forcing a failure. [ 79.532208][ T7518] name failslab, interval 1, probability 0, space 0, times 0 [ 79.539575][ T7510] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.542064][ T7499] CPU: 1 PID: 7499 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 79.568648][ T7499] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.578698][ T7499] Call Trace: [ 79.581979][ T7499] dump_stack+0x12d/0x187 [ 79.586287][ T7499] should_fail.cold.4+0x5/0x13 [ 79.591028][ T7499] ? fault_create_debugfs_attr+0x150/0x150 [ 79.596831][ T7499] ? ___might_sleep+0x16b/0x2b0 [ 79.601659][ T7499] __should_failslab+0xba/0xf0 [ 79.606396][ T7499] should_failslab+0x9/0x14 [ 79.611826][ T7499] __kmalloc+0x2eb/0x790 [ 79.616042][ T7499] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 79.621494][ T7499] p9_fcall_init.isra.2+0x55/0x1c0 [ 79.626674][ T7499] p9_client_prepare_req.part.5+0x116/0x670 [ 79.632548][ T7499] p9_client_rpc+0x174/0xe50 [ 79.637116][ T7499] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 79.642899][ T7499] ? p9_client_prepare_req.part.5+0x670/0x670 [ 79.648958][ T7499] ? add_wait_queue+0x107/0x160 [ 79.653793][ T7499] ? p9_pollwait+0x182/0x210 [ 79.658362][ T7499] ? pipe_poll+0x80/0x300 [ 79.662765][ T7499] ? p9_fd_poll+0x19b/0x2a0 [ 79.667286][ T7499] ? p9_conn_create+0x399/0x4e0 [ 79.672114][ T7499] ? p9_conn_create+0x4e0/0x4e0 [ 79.676947][ T7499] p9_client_create+0x7ec/0x10e0 [ 79.681869][ T7499] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 79.687913][ T7499] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.693436][ T7499] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.699478][ T7499] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.705263][ T7499] ? __kmalloc_track_caller+0x60e/0x780 [ 79.710781][ T7499] ? __x64_sys_mount+0x169/0x1c0 [ 79.715694][ T7499] ? do_syscall_64+0xd0/0x600 [ 79.720359][ T7499] ? lockdep_init_map+0x1b6/0x6c0 [ 79.725359][ T7499] v9fs_session_init+0x1ed/0x14c0 [ 79.730356][ T7499] ? v9fs_session_init+0x1ed/0x14c0 [ 79.735529][ T7499] ? find_held_lock+0x36/0x1d0 [ 79.740353][ T7499] ? v9fs_show_options+0x6c0/0x6c0 [ 79.745445][ T7499] ? __kasan_check_read+0x11/0x20 [ 79.750442][ T7499] ? v9fs_mount+0x55/0x7f0 [ 79.754832][ T7499] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.760438][ T7499] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 79.766475][ T7499] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 79.772275][ T7499] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.777811][ T7499] ? apparmor_task_alloc+0x2f0/0x2f0 [ 79.783075][ T7499] v9fs_mount+0x72/0x7f0 [ 79.787298][ T7499] ? v9fs_write_inode+0x50/0x50 [ 79.792744][ T7499] legacy_get_tree+0x103/0x1f0 [ 79.797487][ T7499] vfs_get_tree+0x8b/0x2d0 [ 79.801878][ T7499] ? capable+0x14/0x20 [ 79.805921][ T7499] do_mount+0x1270/0x1b60 [ 79.810222][ T7499] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 79.815739][ T7499] ? copy_mount_string+0x20/0x20 [ 79.820647][ T7499] ? kmem_cache_alloc_trace+0x39e/0x780 [ 79.826168][ T7499] ? __kasan_check_read+0x11/0x20 [ 79.831171][ T7499] ? copy_mount_options+0x77/0x2c0 [ 79.836254][ T7499] __x64_sys_mount+0x169/0x1c0 [ 79.840992][ T7499] do_syscall_64+0xd0/0x600 [ 79.845471][ T7499] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 79.851338][ T7499] RIP: 0033:0x458da9 [ 79.855205][ T7499] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 79.874782][ T7499] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 79.883164][ T7499] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 79.891119][ T7499] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 79.899063][ T7499] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 79.907010][ T7499] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 79.914957][ T7499] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 79.922931][ T7518] CPU: 0 PID: 7518 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 79.932030][ T7518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.942080][ T7518] Call Trace: [ 79.945368][ T7518] dump_stack+0x12d/0x187 [ 79.949705][ T7518] should_fail.cold.4+0x5/0x13 [ 79.949746][ T7524] FAULT_INJECTION: forcing a failure. [ 79.949746][ T7524] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 79.954456][ T7518] ? stack_trace_save+0x82/0xb0 [ 79.954465][ T7518] ? fault_create_debugfs_attr+0x150/0x150 [ 79.978486][ T7518] __should_failslab+0xba/0xf0 [ 79.983224][ T7518] should_failslab+0x9/0x14 [ 79.987699][ T7518] kmem_cache_alloc+0x47/0x750 [ 79.992432][ T7518] ? __x64_sys_mount+0x169/0x1c0 [ 79.997339][ T7518] ? do_syscall_64+0xd0/0x600 [ 80.001995][ T7518] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 80.008378][ T7518] ? __kasan_check_read+0x11/0x20 [ 80.013377][ T7518] idr_get_free+0x35d/0x880 [ 80.018810][ T7518] ? __kasan_check_read+0x11/0x20 [ 80.023806][ T7518] idr_alloc_u32+0x13a/0x330 [ 80.028380][ T7518] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 80.033911][ T7518] ? mark_held_locks+0x130/0x130 [ 80.038822][ T7518] ? __kasan_check_write+0x14/0x20 [ 80.044076][ T7518] ? do_raw_spin_lock+0x132/0x2e0 [ 80.049085][ T7518] idr_alloc+0x7d/0xc0 [ 80.053129][ T7518] ? idr_alloc_u32+0x330/0x330 [ 80.057871][ T7518] p9_client_prepare_req.part.5+0x571/0x670 [ 80.063740][ T7518] p9_client_rpc+0x174/0xe50 [ 80.068315][ T7518] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 80.074092][ T7518] ? p9_client_prepare_req.part.5+0x670/0x670 [ 80.080131][ T7518] ? add_wait_queue+0x107/0x160 [ 80.084957][ T7518] ? p9_pollwait+0x182/0x210 [ 80.089616][ T7518] ? pipe_poll+0x80/0x300 [ 80.093920][ T7518] ? p9_fd_poll+0x19b/0x2a0 [ 80.098398][ T7518] ? p9_conn_create+0x399/0x4e0 [ 80.103233][ T7518] ? p9_conn_create+0x4e0/0x4e0 [ 80.108059][ T7518] p9_client_create+0x7ec/0x10e0 [ 80.112972][ T7518] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.119012][ T7518] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.124530][ T7518] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.130567][ T7518] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.136350][ T7518] ? __kmalloc_track_caller+0x60e/0x780 [ 80.141866][ T7518] ? __x64_sys_mount+0x169/0x1c0 [ 80.146786][ T7518] ? do_syscall_64+0xd0/0x600 [ 80.151435][ T7518] ? lockdep_init_map+0x1b6/0x6c0 [ 80.156438][ T7518] v9fs_session_init+0x1ed/0x14c0 [ 80.161432][ T7518] ? v9fs_session_init+0x1ed/0x14c0 [ 80.166602][ T7518] ? find_held_lock+0x36/0x1d0 [ 80.171361][ T7518] ? v9fs_show_options+0x6c0/0x6c0 [ 80.176451][ T7518] ? __kasan_check_read+0x11/0x20 [ 80.181461][ T7518] ? v9fs_mount+0x55/0x7f0 [ 80.185873][ T7518] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.191485][ T7518] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.197523][ T7518] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.203305][ T7518] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.208825][ T7518] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.214084][ T7518] v9fs_mount+0x72/0x7f0 [ 80.218303][ T7518] ? v9fs_write_inode+0x50/0x50 [ 80.223126][ T7518] legacy_get_tree+0x103/0x1f0 [ 80.227861][ T7518] vfs_get_tree+0x8b/0x2d0 [ 80.232249][ T7518] ? capable+0x14/0x20 [ 80.236294][ T7518] do_mount+0x1270/0x1b60 [ 80.240594][ T7518] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.246113][ T7518] ? copy_mount_string+0x20/0x20 [ 80.251023][ T7518] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.256539][ T7518] ? __kasan_check_write+0x14/0x20 [ 80.261619][ T7518] ? _copy_from_user+0xd6/0x110 [ 80.266445][ T7518] ? __kasan_check_read+0x11/0x20 [ 80.271441][ T7518] ? copy_mount_options+0x77/0x2c0 [ 80.276526][ T7518] __x64_sys_mount+0x169/0x1c0 [ 80.281265][ T7518] do_syscall_64+0xd0/0x600 [ 80.285742][ T7518] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.291613][ T7518] RIP: 0033:0x458da9 [ 80.295481][ T7518] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.315078][ T7518] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 80.323480][ T7518] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 80.331427][ T7518] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 80.339371][ T7518] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 80.347315][ T7518] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 80.355267][ T7518] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 80.363230][ T7524] CPU: 1 PID: 7524 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 80.371822][ T7524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.381859][ T7524] Call Trace: [ 80.381869][ T7524] dump_stack+0x12d/0x187 [ 80.381879][ T7524] should_fail.cold.4+0x5/0x13 [ 80.381885][ T7524] ? do_mount+0x1270/0x1b60 [ 80.381891][ T7524] ? fault_create_debugfs_attr+0x150/0x150 [ 80.381900][ T7524] ? find_held_lock+0x36/0x1d0 [ 80.381909][ T7524] should_fail_alloc_page+0x50/0x60 [ 80.381915][ T7524] __alloc_pages_nodemask+0x17f/0x890 [ 80.394240][ T7524] ? cache_grow_end+0xa8/0x190 [ 80.394250][ T7524] ? __alloc_pages_slowpath+0x2570/0x2570 [ 80.394256][ T7524] ? do_raw_spin_lock+0x132/0x2e0 [ 80.394269][ T7524] cache_grow_begin+0x92/0xca0 [ 80.394274][ T7524] ? __kmalloc+0xc5/0x790 [ 80.394281][ T7524] ? trace_hardirqs_off+0x41/0x1a0 [ 80.394289][ T7524] __kmalloc+0x6cd/0x790 [ 80.394304][ T7524] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 80.394312][ T7524] p9_fcall_init.isra.2+0x55/0x1c0 [ 80.394320][ T7524] p9_client_prepare_req.part.5+0x116/0x670 [ 80.404591][ T7524] p9_client_rpc+0x174/0xe50 [ 80.404602][ T7524] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 80.404609][ T7524] ? p9_client_prepare_req.part.5+0x670/0x670 [ 80.404615][ T7524] ? add_wait_queue+0x107/0x160 [ 80.404623][ T7524] ? p9_pollwait+0x182/0x210 [ 80.404631][ T7524] ? pipe_poll+0x80/0x300 [ 80.404639][ T7524] ? p9_fd_poll+0x19b/0x2a0 [ 80.404646][ T7524] ? p9_conn_create+0x399/0x4e0 [ 80.404654][ T7524] ? p9_conn_create+0x4e0/0x4e0 [ 80.404666][ T7524] p9_client_create+0x7ec/0x10e0 [ 80.404678][ T7524] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.404684][ T7524] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.404690][ T7524] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.404695][ T7524] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.404706][ T7524] ? __kmalloc_track_caller+0x60e/0x780 [ 80.404712][ T7524] ? __x64_sys_mount+0x169/0x1c0 [ 80.404720][ T7524] ? do_syscall_64+0xd0/0x600 [ 80.420089][ T7524] ? lockdep_init_map+0x1b6/0x6c0 [ 80.420106][ T7524] v9fs_session_init+0x1ed/0x14c0 [ 80.420113][ T7524] ? v9fs_session_init+0x1ed/0x14c0 [ 80.430552][ T7524] ? find_held_lock+0x36/0x1d0 [ 80.430566][ T7524] ? v9fs_show_options+0x6c0/0x6c0 [ 80.430573][ T7524] ? __kasan_check_read+0x11/0x20 [ 80.430581][ T7524] ? v9fs_mount+0x55/0x7f0 [ 80.484734][ T7529] 9pnet: Insufficient options for proto=fd [ 80.486704][ T7524] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.486711][ T7524] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.486717][ T7524] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.486726][ T7524] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.519599][ T7532] FAULT_INJECTION: forcing a failure. [ 80.519599][ T7532] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 80.525551][ T7524] ? apparmor_task_alloc+0x2f0/0x2f0 [ 80.639450][ T7524] v9fs_mount+0x72/0x7f0 [ 80.643674][ T7524] ? v9fs_write_inode+0x50/0x50 [ 80.648506][ T7524] legacy_get_tree+0x103/0x1f0 [ 80.653248][ T7524] vfs_get_tree+0x8b/0x2d0 [ 80.657639][ T7524] ? capable+0x14/0x20 [ 80.661687][ T7524] do_mount+0x1270/0x1b60 [ 80.665987][ T7524] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.671505][ T7524] ? copy_mount_string+0x20/0x20 [ 80.676416][ T7524] ? kmem_cache_alloc_trace+0x39e/0x780 [ 80.681948][ T7524] ? __kasan_check_write+0x14/0x20 [ 80.687041][ T7524] ? _copy_from_user+0xd6/0x110 [ 80.691886][ T7524] ? __kasan_check_read+0x11/0x20 [ 80.696885][ T7524] ? copy_mount_options+0x77/0x2c0 [ 80.701976][ T7524] __x64_sys_mount+0x169/0x1c0 [ 80.706719][ T7524] do_syscall_64+0xd0/0x600 [ 80.711287][ T7524] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.717152][ T7524] RIP: 0033:0x458da9 [ 80.721049][ T7524] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 80.740660][ T7524] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 80.750009][ T7524] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 80.757956][ T7524] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 80.765911][ T7524] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 80.773856][ T7524] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 80.781808][ T7524] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 80.789783][ T7532] CPU: 0 PID: 7532 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 80.798366][ T7532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.800083][ T7522] FAULT_INJECTION: forcing a failure. [ 80.800083][ T7522] name failslab, interval 1, probability 0, space 0, times 0 [ 80.808418][ T7532] Call Trace: [ 80.808430][ T7532] dump_stack+0x12d/0x187 [ 80.808442][ T7532] should_fail.cold.4+0x5/0x13 [ 80.808449][ T7532] ? do_mount+0x1270/0x1b60 [ 80.808455][ T7532] ? fault_create_debugfs_attr+0x150/0x150 [ 80.808465][ T7532] ? find_held_lock+0x36/0x1d0 [ 80.808474][ T7532] should_fail_alloc_page+0x50/0x60 [ 80.808480][ T7532] __alloc_pages_nodemask+0x17f/0x890 [ 80.808487][ T7532] ? cache_grow_end+0xa8/0x190 [ 80.808494][ T7532] ? __alloc_pages_slowpath+0x2570/0x2570 [ 80.808499][ T7532] ? do_raw_spin_lock+0x132/0x2e0 [ 80.808514][ T7532] cache_grow_begin+0x92/0xca0 [ 80.808519][ T7532] ? __kmalloc+0xc5/0x790 [ 80.808526][ T7532] ? trace_hardirqs_off+0x41/0x1a0 [ 80.808534][ T7532] __kmalloc+0x6cd/0x790 [ 80.808544][ T7532] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 80.808552][ T7532] p9_fcall_init.isra.2+0x55/0x1c0 [ 80.808560][ T7532] p9_client_prepare_req.part.5+0x116/0x670 [ 80.808571][ T7532] p9_client_rpc+0x174/0xe50 [ 80.808580][ T7532] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 80.808586][ T7532] ? p9_client_prepare_req.part.5+0x670/0x670 [ 80.808592][ T7532] ? add_wait_queue+0x107/0x160 [ 80.808600][ T7532] ? p9_pollwait+0x182/0x210 [ 80.808608][ T7532] ? pipe_poll+0x80/0x300 [ 80.808615][ T7532] ? p9_fd_poll+0x19b/0x2a0 [ 80.808622][ T7532] ? p9_conn_create+0x399/0x4e0 [ 80.808631][ T7532] ? p9_conn_create+0x4e0/0x4e0 [ 80.808642][ T7532] p9_client_create+0x7ec/0x10e0 [ 80.959151][ T7532] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 80.965205][ T7532] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 80.970720][ T7532] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 80.976760][ T7532] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 80.982555][ T7532] ? __kmalloc_track_caller+0x60e/0x780 [ 80.988083][ T7532] ? __x64_sys_mount+0x169/0x1c0 [ 80.993012][ T7532] ? do_syscall_64+0xd0/0x600 [ 80.997664][ T7532] ? lockdep_init_map+0x1b6/0x6c0 [ 81.002675][ T7532] v9fs_session_init+0x1ed/0x14c0 [ 81.010552][ T7532] ? v9fs_session_init+0x1ed/0x14c0 [ 81.015727][ T7532] ? find_held_lock+0x36/0x1d0 [ 81.020466][ T7532] ? v9fs_show_options+0x6c0/0x6c0 [ 81.025551][ T7532] ? __kasan_check_read+0x11/0x20 [ 81.030548][ T7532] ? v9fs_mount+0x55/0x7f0 [ 81.034954][ T7532] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.040471][ T7532] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.046513][ T7532] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.052300][ T7532] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.057825][ T7532] ? apparmor_task_alloc+0x2f0/0x2f0 [ 81.063084][ T7532] v9fs_mount+0x72/0x7f0 [ 81.067305][ T7532] ? v9fs_write_inode+0x50/0x50 [ 81.072136][ T7532] legacy_get_tree+0x103/0x1f0 [ 81.076876][ T7532] vfs_get_tree+0x8b/0x2d0 [ 81.081262][ T7532] ? capable+0x14/0x20 [ 81.085307][ T7532] do_mount+0x1270/0x1b60 [ 81.089608][ T7532] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.095126][ T7532] ? copy_mount_string+0x20/0x20 [ 81.100055][ T7532] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.105579][ T7532] ? __kasan_check_write+0x14/0x20 [ 81.110683][ T7532] ? _copy_from_user+0xd6/0x110 [ 81.115524][ T7532] ? __kasan_check_read+0x11/0x20 [ 81.120539][ T7532] ? copy_mount_options+0x77/0x2c0 [ 81.125658][ T7532] __x64_sys_mount+0x169/0x1c0 [ 81.130415][ T7532] do_syscall_64+0xd0/0x600 [ 81.134905][ T7532] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.140776][ T7532] RIP: 0033:0x458da9 [ 81.144658][ T7532] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.164248][ T7532] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.172653][ T7532] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 81.180614][ T7532] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.188578][ T7532] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 81.196535][ T7532] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 81.204588][ T7532] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.212729][ T7522] CPU: 1 PID: 7522 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 81.221303][ T7522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.231455][ T7522] Call Trace: [ 81.231471][ T7522] dump_stack+0x12d/0x187 [ 81.231481][ T7522] should_fail.cold.4+0x5/0x13 [ 81.231488][ T7522] ? fault_create_debugfs_attr+0x150/0x150 [ 81.231496][ T7522] ? ___might_sleep+0x16b/0x2b0 [ 81.231505][ T7522] __should_failslab+0xba/0xf0 [ 81.231512][ T7522] should_failslab+0x9/0x14 [ 81.231518][ T7522] __kmalloc+0x2eb/0x790 [ 81.231528][ T7522] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 81.231535][ T7522] p9_fcall_init.isra.2+0x55/0x1c0 [ 81.231542][ T7522] p9_client_prepare_req.part.5+0x116/0x670 [ 81.231550][ T7522] p9_client_rpc+0x174/0xe50 [ 81.231559][ T7522] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 81.231567][ T7522] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.249706][ T7522] ? add_wait_queue+0x107/0x160 [ 81.278451][ T7522] ? p9_pollwait+0x182/0x210 [ 81.310322][ T7522] ? pipe_poll+0x80/0x300 [ 81.314650][ T7522] ? p9_fd_poll+0x19b/0x2a0 [ 81.319254][ T7522] ? p9_conn_create+0x399/0x4e0 [ 81.319264][ T7522] ? p9_conn_create+0x4e0/0x4e0 [ 81.319277][ T7522] p9_client_create+0x7ec/0x10e0 [ 81.319289][ T7522] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 81.333873][ T7522] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.333880][ T7522] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.333887][ T7522] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.333897][ T7522] ? __kmalloc_track_caller+0x60e/0x780 [ 81.333903][ T7522] ? __x64_sys_mount+0x169/0x1c0 [ 81.333909][ T7522] ? do_syscall_64+0xd0/0x600 [ 81.333914][ T7522] ? lockdep_init_map+0x1b6/0x6c0 [ 81.333927][ T7522] v9fs_session_init+0x1ed/0x14c0 [ 81.333933][ T7522] ? v9fs_session_init+0x1ed/0x14c0 [ 81.333941][ T7522] ? find_held_lock+0x36/0x1d0 [ 81.333952][ T7522] ? v9fs_show_options+0x6c0/0x6c0 [ 81.333956][ T7522] ? __kasan_check_read+0x11/0x20 [ 81.333964][ T7522] ? v9fs_mount+0x55/0x7f0 [ 81.333970][ T7522] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.333976][ T7522] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.333981][ T7522] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.333991][ T7522] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.371673][ T7540] FAULT_INJECTION: forcing a failure. [ 81.371673][ T7540] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.372666][ T7522] ? apparmor_task_alloc+0x2f0/0x2f0 [ 81.449105][ T7522] v9fs_mount+0x72/0x7f0 [ 81.453324][ T7522] ? v9fs_write_inode+0x50/0x50 [ 81.458146][ T7522] legacy_get_tree+0x103/0x1f0 [ 81.462893][ T7522] vfs_get_tree+0x8b/0x2d0 [ 81.467278][ T7522] ? capable+0x14/0x20 [ 81.471319][ T7522] do_mount+0x1270/0x1b60 [ 81.475620][ T7522] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.481149][ T7522] ? copy_mount_string+0x20/0x20 [ 81.486060][ T7522] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.491592][ T7522] ? __kasan_check_write+0x14/0x20 [ 81.496674][ T7522] ? _copy_from_user+0xd6/0x110 [ 81.501496][ T7522] ? __kasan_check_read+0x11/0x20 [ 81.506493][ T7522] ? copy_mount_options+0x77/0x2c0 [ 81.511576][ T7522] __x64_sys_mount+0x169/0x1c0 [ 81.516318][ T7522] do_syscall_64+0xd0/0x600 [ 81.520928][ T7522] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.526811][ T7522] RIP: 0033:0x458da9 [ 81.530684][ T7522] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.550270][ T7522] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.558656][ T7522] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 81.566598][ T7522] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.574544][ T7522] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 81.582487][ T7522] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 81.590433][ T7522] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 81.598406][ T7540] CPU: 0 PID: 7540 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 81.606995][ T7540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.608203][ T7543] FAULT_INJECTION: forcing a failure. [ 81.608203][ T7543] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.617048][ T7540] Call Trace: [ 81.633474][ T7540] dump_stack+0x12d/0x187 [ 81.637779][ T7540] should_fail.cold.4+0x5/0x13 [ 81.642525][ T7540] ? do_mount+0x1270/0x1b60 [ 81.647000][ T7540] ? fault_create_debugfs_attr+0x150/0x150 [ 81.652780][ T7540] ? find_held_lock+0x36/0x1d0 [ 81.657516][ T7540] should_fail_alloc_page+0x50/0x60 [ 81.662686][ T7540] __alloc_pages_nodemask+0x17f/0x890 [ 81.668034][ T7540] ? cache_grow_end+0xa8/0x190 [ 81.672772][ T7540] ? __alloc_pages_slowpath+0x2570/0x2570 [ 81.678461][ T7540] ? do_raw_spin_lock+0x132/0x2e0 [ 81.683471][ T7540] cache_grow_begin+0x92/0xca0 [ 81.688206][ T7540] ? __kmalloc+0xc5/0x790 [ 81.692517][ T7540] ? trace_hardirqs_off+0x41/0x1a0 [ 81.697613][ T7540] __kmalloc+0x6cd/0x790 [ 81.701829][ T7540] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 81.707093][ T7540] p9_fcall_init.isra.2+0x55/0x1c0 [ 81.712266][ T7540] p9_client_prepare_req.part.5+0x116/0x670 [ 81.718139][ T7540] p9_client_rpc+0x174/0xe50 [ 81.722705][ T7540] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 81.728483][ T7540] ? p9_client_prepare_req.part.5+0x670/0x670 [ 81.734530][ T7540] ? add_wait_queue+0x107/0x160 [ 81.739352][ T7540] ? p9_pollwait+0x182/0x210 [ 81.743944][ T7540] ? pipe_poll+0x80/0x300 [ 81.748365][ T7540] ? p9_fd_poll+0x19b/0x2a0 [ 81.752850][ T7540] ? p9_conn_create+0x399/0x4e0 [ 81.757687][ T7540] ? p9_conn_create+0x4e0/0x4e0 [ 81.762519][ T7540] p9_client_create+0x7ec/0x10e0 [ 81.767437][ T7540] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 81.773482][ T7540] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.779092][ T7540] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.785162][ T7540] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.790966][ T7540] ? __kmalloc_track_caller+0x60e/0x780 [ 81.796504][ T7540] ? __x64_sys_mount+0x169/0x1c0 [ 81.801428][ T7540] ? do_syscall_64+0xd0/0x600 [ 81.806083][ T7540] ? lockdep_init_map+0x1b6/0x6c0 [ 81.811091][ T7540] v9fs_session_init+0x1ed/0x14c0 [ 81.816092][ T7540] ? v9fs_session_init+0x1ed/0x14c0 [ 81.821267][ T7540] ? find_held_lock+0x36/0x1d0 [ 81.826007][ T7540] ? v9fs_show_options+0x6c0/0x6c0 [ 81.831090][ T7540] ? __kasan_check_read+0x11/0x20 [ 81.836086][ T7540] ? v9fs_mount+0x55/0x7f0 [ 81.840475][ T7540] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.845996][ T7540] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 81.852042][ T7540] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 81.857823][ T7540] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.863339][ T7540] ? apparmor_task_alloc+0x2f0/0x2f0 [ 81.868622][ T7540] v9fs_mount+0x72/0x7f0 [ 81.872841][ T7540] ? v9fs_write_inode+0x50/0x50 [ 81.877665][ T7540] legacy_get_tree+0x103/0x1f0 [ 81.882402][ T7540] vfs_get_tree+0x8b/0x2d0 [ 81.886790][ T7540] ? capable+0x14/0x20 [ 81.890833][ T7540] do_mount+0x1270/0x1b60 [ 81.895133][ T7540] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 81.900653][ T7540] ? copy_mount_string+0x20/0x20 [ 81.905564][ T7540] ? kmem_cache_alloc_trace+0x39e/0x780 [ 81.911081][ T7540] ? __kasan_check_write+0x14/0x20 [ 81.916165][ T7540] ? _copy_from_user+0xd6/0x110 [ 81.920988][ T7540] ? __kasan_check_read+0x11/0x20 [ 81.925981][ T7540] ? copy_mount_options+0x77/0x2c0 [ 81.931151][ T7540] __x64_sys_mount+0x169/0x1c0 [ 81.935900][ T7540] do_syscall_64+0xd0/0x600 [ 81.940377][ T7540] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.946259][ T7540] RIP: 0033:0x458da9 [ 81.950127][ T7540] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 81.969704][ T7540] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 81.978085][ T7540] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 81.986030][ T7540] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 81.993975][ T7540] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.001937][ T7540] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 82.009920][ T7540] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.017890][ T7543] CPU: 1 PID: 7543 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 82.026465][ T7543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.026470][ T7543] Call Trace: [ 82.026481][ T7543] dump_stack+0x12d/0x187 [ 82.026491][ T7543] should_fail.cold.4+0x5/0x13 [ 82.026497][ T7543] ? do_mount+0x1270/0x1b60 [ 82.026504][ T7543] ? fault_create_debugfs_attr+0x150/0x150 [ 82.026514][ T7543] ? find_held_lock+0x36/0x1d0 [ 82.026523][ T7543] should_fail_alloc_page+0x50/0x60 [ 82.026528][ T7543] __alloc_pages_nodemask+0x17f/0x890 [ 82.026536][ T7543] ? cache_grow_end+0xa8/0x190 [ 82.026543][ T7543] ? __alloc_pages_slowpath+0x2570/0x2570 [ 82.026548][ T7543] ? do_raw_spin_lock+0x132/0x2e0 [ 82.026563][ T7543] cache_grow_begin+0x92/0xca0 [ 82.026568][ T7543] ? __kmalloc+0xc5/0x790 [ 82.026575][ T7543] ? trace_hardirqs_off+0x41/0x1a0 [ 82.026584][ T7543] __kmalloc+0x6cd/0x790 [ 82.026593][ T7543] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 82.026602][ T7543] p9_fcall_init.isra.2+0x55/0x1c0 [ 82.026609][ T7543] p9_client_prepare_req.part.5+0x116/0x670 [ 82.026619][ T7543] p9_client_rpc+0x174/0xe50 [ 82.026628][ T7543] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 82.026633][ T7543] ? p9_client_prepare_req.part.5+0x670/0x670 [ 82.026639][ T7543] ? add_wait_queue+0x107/0x160 [ 82.026648][ T7543] ? p9_pollwait+0x182/0x210 [ 82.026656][ T7543] ? pipe_poll+0x80/0x300 [ 82.026664][ T7543] ? p9_fd_poll+0x19b/0x2a0 [ 82.026671][ T7543] ? p9_conn_create+0x399/0x4e0 [ 82.026680][ T7543] ? p9_conn_create+0x4e0/0x4e0 [ 82.026692][ T7543] p9_client_create+0x7ec/0x10e0 [ 82.049243][ T7543] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 82.108611][ T7543] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.108618][ T7543] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.108625][ T7543] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.108635][ T7543] ? __kmalloc_track_caller+0x60e/0x780 [ 82.121342][ T7548] FAULT_INJECTION: forcing a failure. [ 82.121342][ T7548] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.124858][ T7543] ? __x64_sys_mount+0x169/0x1c0 [ 82.221373][ T7543] ? do_syscall_64+0xd0/0x600 [ 82.226030][ T7543] ? lockdep_init_map+0x1b6/0x6c0 [ 82.231817][ T7543] v9fs_session_init+0x1ed/0x14c0 [ 82.236831][ T7543] ? v9fs_session_init+0x1ed/0x14c0 [ 82.242012][ T7543] ? find_held_lock+0x36/0x1d0 [ 82.246756][ T7543] ? v9fs_show_options+0x6c0/0x6c0 [ 82.251849][ T7543] ? __kasan_check_read+0x11/0x20 [ 82.256941][ T7543] ? v9fs_mount+0x55/0x7f0 [ 82.261331][ T7543] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.266851][ T7543] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.273064][ T7543] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.278849][ T7543] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.284370][ T7543] ? apparmor_task_alloc+0x2f0/0x2f0 [ 82.289649][ T7543] v9fs_mount+0x72/0x7f0 [ 82.293865][ T7543] ? v9fs_write_inode+0x50/0x50 [ 82.298705][ T7543] legacy_get_tree+0x103/0x1f0 [ 82.303442][ T7543] vfs_get_tree+0x8b/0x2d0 [ 82.307850][ T7543] ? capable+0x14/0x20 [ 82.311914][ T7543] do_mount+0x1270/0x1b60 [ 82.316228][ T7543] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.321752][ T7543] ? copy_mount_string+0x20/0x20 [ 82.326668][ T7543] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.332215][ T7543] ? __kasan_check_write+0x14/0x20 [ 82.337309][ T7543] ? _copy_from_user+0xd6/0x110 [ 82.342134][ T7543] ? __kasan_check_read+0x11/0x20 [ 82.347133][ T7543] ? copy_mount_options+0x77/0x2c0 [ 82.352222][ T7543] __x64_sys_mount+0x169/0x1c0 [ 82.356961][ T7543] do_syscall_64+0xd0/0x600 [ 82.362395][ T7543] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.368259][ T7543] RIP: 0033:0x458da9 [ 82.372126][ T7543] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.391701][ T7543] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.400080][ T7543] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 82.408027][ T7543] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.415972][ T7543] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.423917][ T7543] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 82.431868][ T7543] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.439830][ T7548] CPU: 0 PID: 7548 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 82.448429][ T7548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.449415][ T7550] FAULT_INJECTION: forcing a failure. [ 82.449415][ T7550] name failslab, interval 1, probability 0, space 0, times 0 [ 82.458469][ T7548] Call Trace: [ 82.458481][ T7548] dump_stack+0x12d/0x187 [ 82.458492][ T7548] should_fail.cold.4+0x5/0x13 [ 82.458498][ T7548] ? do_mount+0x1270/0x1b60 [ 82.458510][ T7548] ? fault_create_debugfs_attr+0x150/0x150 [ 82.458520][ T7548] ? find_held_lock+0x36/0x1d0 [ 82.458529][ T7548] should_fail_alloc_page+0x50/0x60 [ 82.474352][ T7548] __alloc_pages_nodemask+0x17f/0x890 [ 82.474359][ T7548] ? cache_grow_end+0xa8/0x190 [ 82.474366][ T7548] ? __alloc_pages_slowpath+0x2570/0x2570 [ 82.474371][ T7548] ? do_raw_spin_lock+0x132/0x2e0 [ 82.474385][ T7548] cache_grow_begin+0x92/0xca0 [ 82.474390][ T7548] ? __kmalloc+0xc5/0x790 [ 82.474397][ T7548] ? trace_hardirqs_off+0x41/0x1a0 [ 82.483464][ T7548] __kmalloc+0x6cd/0x790 [ 82.483476][ T7548] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 82.483484][ T7548] p9_fcall_init.isra.2+0x55/0x1c0 [ 82.483491][ T7548] p9_client_prepare_req.part.5+0x116/0x670 [ 82.483501][ T7548] p9_client_rpc+0x174/0xe50 [ 82.493769][ T7548] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 82.493775][ T7548] ? p9_client_prepare_req.part.5+0x670/0x670 [ 82.493783][ T7548] ? add_wait_queue+0x107/0x160 [ 82.493791][ T7548] ? p9_pollwait+0x182/0x210 [ 82.493799][ T7548] ? pipe_poll+0x80/0x300 [ 82.493807][ T7548] ? p9_fd_poll+0x19b/0x2a0 [ 82.593580][ T7548] ? p9_conn_create+0x399/0x4e0 [ 82.598413][ T7548] ? p9_conn_create+0x4e0/0x4e0 [ 82.603245][ T7548] p9_client_create+0x7ec/0x10e0 [ 82.608164][ T7548] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 82.614217][ T7548] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.619755][ T7548] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.625802][ T7548] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.631587][ T7548] ? __kmalloc_track_caller+0x60e/0x780 [ 82.637107][ T7548] ? __x64_sys_mount+0x169/0x1c0 [ 82.642104][ T7548] ? do_syscall_64+0xd0/0x600 [ 82.646751][ T7548] ? lockdep_init_map+0x1b6/0x6c0 [ 82.651754][ T7548] v9fs_session_init+0x1ed/0x14c0 [ 82.656838][ T7548] ? v9fs_session_init+0x1ed/0x14c0 [ 82.662012][ T7548] ? find_held_lock+0x36/0x1d0 [ 82.666752][ T7548] ? v9fs_show_options+0x6c0/0x6c0 [ 82.671838][ T7548] ? __kasan_check_read+0x11/0x20 [ 82.676838][ T7548] ? v9fs_mount+0x55/0x7f0 [ 82.681241][ T7548] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.686941][ T7548] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 82.693068][ T7548] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 82.698849][ T7548] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.704371][ T7548] ? apparmor_task_alloc+0x2f0/0x2f0 [ 82.709632][ T7548] v9fs_mount+0x72/0x7f0 [ 82.713857][ T7548] ? v9fs_write_inode+0x50/0x50 [ 82.718690][ T7548] legacy_get_tree+0x103/0x1f0 [ 82.723436][ T7548] vfs_get_tree+0x8b/0x2d0 [ 82.728282][ T7548] ? capable+0x14/0x20 [ 82.732327][ T7548] do_mount+0x1270/0x1b60 [ 82.736631][ T7548] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 82.742155][ T7548] ? copy_mount_string+0x20/0x20 [ 82.747069][ T7548] ? kmem_cache_alloc_trace+0x39e/0x780 [ 82.752589][ T7548] ? __kasan_check_write+0x14/0x20 [ 82.757677][ T7548] ? _copy_from_user+0xd6/0x110 [ 82.762504][ T7548] ? __kasan_check_read+0x11/0x20 [ 82.767505][ T7548] ? copy_mount_options+0x77/0x2c0 [ 82.772590][ T7548] __x64_sys_mount+0x169/0x1c0 [ 82.777331][ T7548] do_syscall_64+0xd0/0x600 [ 82.781812][ T7548] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 82.787681][ T7548] RIP: 0033:0x458da9 [ 82.791564][ T7548] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 82.811149][ T7548] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 82.819546][ T7548] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 82.827525][ T7548] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 82.835475][ T7548] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 82.843424][ T7548] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 82.851379][ T7548] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 82.859364][ T7550] CPU: 1 PID: 7550 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 82.867943][ T7550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.877990][ T7550] Call Trace: [ 82.881275][ T7550] dump_stack+0x12d/0x187 [ 82.885601][ T7550] should_fail.cold.4+0x5/0x13 [ 82.890363][ T7550] ? fault_create_debugfs_attr+0x150/0x150 [ 82.896168][ T7550] ? ___might_sleep+0x16b/0x2b0 [ 82.898943][ T7556] FAULT_INJECTION: forcing a failure. [ 82.898943][ T7556] name failslab, interval 1, probability 0, space 0, times 0 [ 82.901014][ T7550] __should_failslab+0xba/0xf0 [ 82.901023][ T7550] should_failslab+0x9/0x14 [ 82.901030][ T7550] __kmalloc+0x2eb/0x790 [ 82.901041][ T7550] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 82.901049][ T7550] p9_fcall_init.isra.2+0x55/0x1c0 [ 82.919197][ T7558] FAULT_INJECTION: forcing a failure. [ 82.919197][ T7558] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 82.922842][ T7550] p9_client_prepare_req.part.5+0x116/0x670 [ 82.956779][ T7550] p9_client_rpc+0x174/0xe50 [ 82.961359][ T7550] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 82.967140][ T7550] ? p9_client_prepare_req.part.5+0x670/0x670 [ 82.973183][ T7550] ? add_wait_queue+0x107/0x160 [ 82.978013][ T7550] ? p9_pollwait+0x182/0x210 [ 82.982582][ T7550] ? pipe_poll+0x80/0x300 [ 82.986890][ T7550] ? p9_fd_poll+0x19b/0x2a0 [ 82.991372][ T7550] ? p9_conn_create+0x399/0x4e0 [ 82.996201][ T7550] ? p9_conn_create+0x4e0/0x4e0 [ 83.001034][ T7550] p9_client_create+0x7ec/0x10e0 [ 83.005956][ T7550] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.011999][ T7550] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.018478][ T7550] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.024523][ T7550] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.030318][ T7550] ? __kmalloc_track_caller+0x60e/0x780 [ 83.035839][ T7550] ? __x64_sys_mount+0x169/0x1c0 [ 83.040752][ T7550] ? do_syscall_64+0xd0/0x600 [ 83.045402][ T7550] ? lockdep_init_map+0x1b6/0x6c0 [ 83.050406][ T7550] v9fs_session_init+0x1ed/0x14c0 [ 83.055404][ T7550] ? v9fs_session_init+0x1ed/0x14c0 [ 83.060589][ T7550] ? find_held_lock+0x36/0x1d0 [ 83.065328][ T7550] ? v9fs_show_options+0x6c0/0x6c0 [ 83.070410][ T7550] ? __kasan_check_read+0x11/0x20 [ 83.075410][ T7550] ? v9fs_mount+0x55/0x7f0 [ 83.079798][ T7550] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.085488][ T7550] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.091548][ T7550] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.097330][ T7550] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.102852][ T7550] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.108107][ T7550] v9fs_mount+0x72/0x7f0 [ 83.112324][ T7550] ? v9fs_write_inode+0x50/0x50 [ 83.117165][ T7550] legacy_get_tree+0x103/0x1f0 [ 83.121932][ T7550] vfs_get_tree+0x8b/0x2d0 [ 83.126337][ T7550] ? capable+0x14/0x20 [ 83.130484][ T7550] do_mount+0x1270/0x1b60 [ 83.134791][ T7550] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.140312][ T7550] ? copy_mount_string+0x20/0x20 [ 83.145229][ T7550] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.150773][ T7550] ? __kasan_check_write+0x14/0x20 [ 83.155884][ T7550] ? _copy_from_user+0xd6/0x110 [ 83.160727][ T7550] ? __kasan_check_read+0x11/0x20 [ 83.165728][ T7550] ? copy_mount_options+0x77/0x2c0 [ 83.170830][ T7550] __x64_sys_mount+0x169/0x1c0 [ 83.175586][ T7550] do_syscall_64+0xd0/0x600 [ 83.180070][ T7550] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.185940][ T7550] RIP: 0033:0x458da9 [ 83.189819][ T7550] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.209405][ T7550] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 83.217795][ T7550] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 83.225741][ T7550] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 83.233685][ T7550] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 83.241639][ T7550] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 83.249584][ T7550] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 83.257548][ T7558] CPU: 0 PID: 7558 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 83.266132][ T7558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.266136][ T7558] Call Trace: [ 83.266147][ T7558] dump_stack+0x12d/0x187 [ 83.266157][ T7558] should_fail.cold.4+0x5/0x13 [ 83.266164][ T7558] ? do_mount+0x1270/0x1b60 [ 83.266173][ T7558] ? fault_create_debugfs_attr+0x150/0x150 [ 83.276770][ T7541] FAULT_INJECTION: forcing a failure. [ 83.276770][ T7541] name failslab, interval 1, probability 0, space 0, times 0 [ 83.279481][ T7558] ? find_held_lock+0x36/0x1d0 [ 83.288525][ T7558] should_fail_alloc_page+0x50/0x60 [ 83.288532][ T7558] __alloc_pages_nodemask+0x17f/0x890 [ 83.288540][ T7558] ? cache_grow_end+0xa8/0x190 [ 83.288547][ T7558] ? __alloc_pages_slowpath+0x2570/0x2570 [ 83.288555][ T7558] ? do_raw_spin_lock+0x132/0x2e0 [ 83.311378][ T7558] cache_grow_begin+0x92/0xca0 [ 83.321300][ T7558] ? __kmalloc+0xc5/0x790 [ 83.351132][ T7558] ? trace_hardirqs_off+0x41/0x1a0 [ 83.356216][ T7558] __kmalloc+0x6cd/0x790 [ 83.360438][ T7558] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 83.365696][ T7558] p9_fcall_init.isra.2+0x55/0x1c0 [ 83.370782][ T7558] p9_client_prepare_req.part.5+0x116/0x670 [ 83.376649][ T7558] p9_client_rpc+0x174/0xe50 [ 83.381225][ T7558] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 83.387001][ T7558] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.393037][ T7558] ? add_wait_queue+0x107/0x160 [ 83.397871][ T7558] ? p9_pollwait+0x182/0x210 [ 83.402437][ T7558] ? pipe_poll+0x80/0x300 [ 83.406738][ T7558] ? p9_fd_poll+0x19b/0x2a0 [ 83.411215][ T7558] ? p9_conn_create+0x399/0x4e0 [ 83.416041][ T7558] ? p9_conn_create+0x4e0/0x4e0 [ 83.420865][ T7558] p9_client_create+0x7ec/0x10e0 [ 83.425780][ T7558] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.432792][ T7558] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.438323][ T7558] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.444361][ T7558] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.450141][ T7558] ? __kmalloc_track_caller+0x60e/0x780 [ 83.455656][ T7558] ? __x64_sys_mount+0x169/0x1c0 [ 83.461432][ T7558] ? do_syscall_64+0xd0/0x600 [ 83.466091][ T7558] ? lockdep_init_map+0x1b6/0x6c0 [ 83.471094][ T7558] v9fs_session_init+0x1ed/0x14c0 [ 83.476108][ T7558] ? v9fs_session_init+0x1ed/0x14c0 [ 83.482256][ T7558] ? find_held_lock+0x36/0x1d0 [ 83.487021][ T7558] ? v9fs_show_options+0x6c0/0x6c0 [ 83.492106][ T7558] ? __kasan_check_read+0x11/0x20 [ 83.497109][ T7558] ? v9fs_mount+0x55/0x7f0 [ 83.501499][ T7558] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.507024][ T7558] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.513075][ T7558] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.513087][ T7558] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.524390][ T7558] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.529664][ T7558] v9fs_mount+0x72/0x7f0 [ 83.533884][ T7558] ? v9fs_write_inode+0x50/0x50 [ 83.538707][ T7558] legacy_get_tree+0x103/0x1f0 [ 83.543965][ T7558] vfs_get_tree+0x8b/0x2d0 [ 83.548352][ T7558] ? capable+0x14/0x20 [ 83.552394][ T7558] do_mount+0x1270/0x1b60 [ 83.556697][ T7558] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.562224][ T7558] ? copy_mount_string+0x20/0x20 [ 83.567136][ T7558] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.572656][ T7558] ? __kasan_check_read+0x11/0x20 [ 83.577653][ T7558] ? copy_mount_options+0x77/0x2c0 [ 83.582749][ T7558] __x64_sys_mount+0x169/0x1c0 [ 83.587495][ T7558] do_syscall_64+0xd0/0x600 [ 83.591989][ T7558] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.597861][ T7558] RIP: 0033:0x458da9 [ 83.601737][ T7558] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.621317][ T7558] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 83.629701][ T7558] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 83.637646][ T7558] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 83.645595][ T7558] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 83.653540][ T7558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 83.662441][ T7558] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 83.670406][ T7541] CPU: 1 PID: 7541 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 83.678986][ T7541] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.689039][ T7541] Call Trace: [ 83.692320][ T7541] dump_stack+0x12d/0x187 [ 83.696646][ T7541] should_fail.cold.4+0x5/0x13 [ 83.701407][ T7541] ? fault_create_debugfs_attr+0x150/0x150 [ 83.707990][ T7541] ? ___might_sleep+0x16b/0x2b0 [ 83.712839][ T7541] __should_failslab+0xba/0xf0 [ 83.717596][ T7541] should_failslab+0x9/0x14 [ 83.722089][ T7541] __kmalloc+0x2eb/0x790 [ 83.726327][ T7541] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 83.731607][ T7541] p9_fcall_init.isra.2+0x55/0x1c0 [ 83.736711][ T7541] p9_client_prepare_req.part.5+0x116/0x670 [ 83.742596][ T7541] p9_client_rpc+0x174/0xe50 [ 83.747174][ T7541] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 83.752956][ T7541] ? p9_client_prepare_req.part.5+0x670/0x670 [ 83.758998][ T7541] ? add_wait_queue+0x107/0x160 [ 83.763831][ T7541] ? p9_pollwait+0x182/0x210 [ 83.768409][ T7541] ? pipe_poll+0x80/0x300 [ 83.772713][ T7541] ? p9_fd_poll+0x19b/0x2a0 [ 83.777187][ T7541] ? __kasan_check_write+0x14/0x20 [ 83.782269][ T7541] ? p9_conn_create+0x3e6/0x4e0 [ 83.787095][ T7541] ? p9_conn_create+0x4e0/0x4e0 [ 83.791925][ T7541] p9_client_create+0x7ec/0x10e0 [ 83.796842][ T7541] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 83.802894][ T7541] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.808414][ T7541] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.814473][ T7541] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.820264][ T7541] ? __kmalloc_track_caller+0x60e/0x780 [ 83.825791][ T7541] ? __x64_sys_mount+0x169/0x1c0 [ 83.830714][ T7541] ? do_syscall_64+0xd0/0x600 [ 83.835797][ T7541] ? lockdep_init_map+0x1b6/0x6c0 [ 83.840800][ T7541] v9fs_session_init+0x1ed/0x14c0 [ 83.845798][ T7541] ? v9fs_session_init+0x1ed/0x14c0 [ 83.850985][ T7541] ? find_held_lock+0x36/0x1d0 [ 83.855735][ T7541] ? v9fs_show_options+0x6c0/0x6c0 [ 83.860818][ T7541] ? __kasan_check_read+0x11/0x20 [ 83.865823][ T7541] ? v9fs_mount+0x55/0x7f0 [ 83.870218][ T7541] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.876099][ T7541] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 83.882157][ T7541] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 83.887946][ T7541] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.893474][ T7541] ? apparmor_task_alloc+0x2f0/0x2f0 [ 83.898855][ T7541] v9fs_mount+0x72/0x7f0 [ 83.903074][ T7541] ? v9fs_write_inode+0x50/0x50 [ 83.908857][ T7541] legacy_get_tree+0x103/0x1f0 [ 83.913608][ T7541] vfs_get_tree+0x8b/0x2d0 [ 83.918008][ T7541] ? capable+0x14/0x20 [ 83.922056][ T7541] do_mount+0x1270/0x1b60 [ 83.926485][ T7541] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 83.932144][ T7541] ? copy_mount_string+0x20/0x20 [ 83.937108][ T7541] ? kmem_cache_alloc_trace+0x39e/0x780 [ 83.942658][ T7541] ? __kasan_check_write+0x14/0x20 [ 83.947754][ T7541] ? __kasan_check_read+0x11/0x20 [ 83.952751][ T7541] ? copy_mount_options+0x77/0x2c0 [ 83.957840][ T7541] __x64_sys_mount+0x169/0x1c0 [ 83.963545][ T7541] do_syscall_64+0xd0/0x600 [ 83.968033][ T7541] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 83.973906][ T7541] RIP: 0033:0x458da9 [ 83.977780][ T7541] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 83.997363][ T7541] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.005754][ T7541] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 84.013709][ T7541] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.021658][ T7541] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.029608][ T7541] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 84.037561][ T7541] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.049785][ T7556] CPU: 0 PID: 7556 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 84.058230][ T7568] FAULT_INJECTION: forcing a failure. [ 84.058230][ T7568] name failslab, interval 1, probability 0, space 0, times 0 [ 84.058391][ T7556] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.058395][ T7556] Call Trace: [ 84.058407][ T7556] dump_stack+0x12d/0x187 [ 84.058419][ T7556] should_fail.cold.4+0x5/0x13 [ 84.072484][ T7569] FAULT_INJECTION: forcing a failure. [ 84.072484][ T7569] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.081011][ T7556] ? fault_create_debugfs_attr+0x150/0x150 [ 84.112224][ T7556] ? ___might_sleep+0x16b/0x2b0 [ 84.117053][ T7556] __should_failslab+0xba/0xf0 [ 84.122747][ T7556] should_failslab+0x9/0x14 [ 84.127223][ T7556] __kmalloc+0x2eb/0x790 [ 84.131530][ T7556] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 84.136786][ T7556] p9_fcall_init.isra.2+0x55/0x1c0 [ 84.141878][ T7556] p9_client_prepare_req.part.5+0x116/0x670 [ 84.147745][ T7556] p9_client_rpc+0x174/0xe50 [ 84.152310][ T7556] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 84.158089][ T7556] ? p9_client_prepare_req.part.5+0x670/0x670 [ 84.164144][ T7556] ? add_wait_queue+0x107/0x160 [ 84.168990][ T7556] ? p9_pollwait+0x182/0x210 [ 84.173565][ T7556] ? pipe_poll+0x80/0x300 [ 84.177873][ T7556] ? p9_fd_poll+0x19b/0x2a0 [ 84.182365][ T7556] ? p9_conn_create+0x399/0x4e0 [ 84.187216][ T7556] ? p9_conn_create+0x4e0/0x4e0 [ 84.192064][ T7556] p9_client_create+0x7ec/0x10e0 [ 84.196986][ T7556] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 84.203028][ T7556] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.208563][ T7556] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.214695][ T7556] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.220487][ T7556] ? __kmalloc_track_caller+0x60e/0x780 [ 84.226011][ T7556] ? __x64_sys_mount+0x169/0x1c0 [ 84.230930][ T7556] ? do_syscall_64+0xd0/0x600 [ 84.235582][ T7556] ? lockdep_init_map+0x1b6/0x6c0 [ 84.240596][ T7556] v9fs_session_init+0x1ed/0x14c0 [ 84.245595][ T7556] ? v9fs_session_init+0x1ed/0x14c0 [ 84.250767][ T7556] ? find_held_lock+0x36/0x1d0 [ 84.255505][ T7556] ? v9fs_show_options+0x6c0/0x6c0 [ 84.260590][ T7556] ? __kasan_check_read+0x11/0x20 [ 84.265587][ T7556] ? v9fs_mount+0x55/0x7f0 [ 84.270063][ T7556] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.275581][ T7556] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.281616][ T7556] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.287407][ T7556] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.292925][ T7556] ? apparmor_task_alloc+0x2f0/0x2f0 [ 84.298181][ T7556] v9fs_mount+0x72/0x7f0 [ 84.302396][ T7556] ? v9fs_write_inode+0x50/0x50 [ 84.307217][ T7556] legacy_get_tree+0x103/0x1f0 [ 84.311954][ T7556] vfs_get_tree+0x8b/0x2d0 [ 84.316341][ T7556] ? capable+0x14/0x20 [ 84.320387][ T7556] do_mount+0x1270/0x1b60 [ 84.324689][ T7556] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.330215][ T7556] ? copy_mount_string+0x20/0x20 [ 84.335145][ T7556] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.340671][ T7556] ? __kasan_check_write+0x14/0x20 [ 84.345756][ T7556] ? _copy_from_user+0xd6/0x110 [ 84.350584][ T7556] ? __kasan_check_read+0x11/0x20 [ 84.355583][ T7556] ? copy_mount_options+0x77/0x2c0 [ 84.360668][ T7556] __x64_sys_mount+0x169/0x1c0 [ 84.365419][ T7556] do_syscall_64+0xd0/0x600 [ 84.369896][ T7556] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.375759][ T7556] RIP: 0033:0x458da9 [ 84.379626][ T7556] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.403141][ T7556] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.411523][ T7556] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 84.419465][ T7556] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.427410][ T7556] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 84.435355][ T7556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 84.443311][ T7556] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.451271][ T7569] CPU: 1 PID: 7569 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 84.459851][ T7569] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.468484][ T7571] FAULT_INJECTION: forcing a failure. [ 84.468484][ T7571] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.469896][ T7569] Call Trace: [ 84.487712][ T7569] dump_stack+0x12d/0x187 [ 84.492019][ T7569] should_fail.cold.4+0x5/0x13 [ 84.496768][ T7569] ? do_mount+0x1270/0x1b60 [ 84.501244][ T7569] ? fault_create_debugfs_attr+0x150/0x150 [ 84.507023][ T7569] ? find_held_lock+0x36/0x1d0 [ 84.511762][ T7569] should_fail_alloc_page+0x50/0x60 [ 84.516942][ T7569] __alloc_pages_nodemask+0x17f/0x890 [ 84.522286][ T7569] ? cache_grow_end+0xa8/0x190 [ 84.527030][ T7569] ? __alloc_pages_slowpath+0x2570/0x2570 [ 84.532720][ T7569] ? do_raw_spin_lock+0x132/0x2e0 [ 84.537722][ T7569] cache_grow_begin+0x92/0xca0 [ 84.542456][ T7569] ? __kmalloc+0xc5/0x790 [ 84.546755][ T7569] ? trace_hardirqs_off+0x41/0x1a0 [ 84.551837][ T7569] __kmalloc+0x6cd/0x790 [ 84.556056][ T7569] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 84.561315][ T7569] p9_fcall_init.isra.2+0x55/0x1c0 [ 84.566410][ T7569] p9_client_prepare_req.part.5+0x116/0x670 [ 84.572288][ T7569] p9_client_rpc+0x174/0xe50 [ 84.576850][ T7569] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 84.582627][ T7569] ? p9_client_prepare_req.part.5+0x670/0x670 [ 84.588675][ T7569] ? add_wait_queue+0x107/0x160 [ 84.593497][ T7569] ? p9_pollwait+0x182/0x210 [ 84.598063][ T7569] ? pipe_poll+0x80/0x300 [ 84.602367][ T7569] ? p9_fd_poll+0x19b/0x2a0 [ 84.606845][ T7569] ? p9_conn_create+0x399/0x4e0 [ 84.611671][ T7569] ? p9_conn_create+0x4e0/0x4e0 [ 84.616495][ T7569] p9_client_create+0x7ec/0x10e0 [ 84.621407][ T7569] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 84.627441][ T7569] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.632957][ T7569] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.638993][ T7569] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.644782][ T7569] ? __kmalloc_track_caller+0x60e/0x780 [ 84.650296][ T7569] ? __x64_sys_mount+0x169/0x1c0 [ 84.655204][ T7569] ? do_syscall_64+0xd0/0x600 [ 84.659852][ T7569] ? lockdep_init_map+0x1b6/0x6c0 [ 84.664855][ T7569] v9fs_session_init+0x1ed/0x14c0 [ 84.669853][ T7569] ? v9fs_session_init+0x1ed/0x14c0 [ 84.675025][ T7569] ? find_held_lock+0x36/0x1d0 [ 84.679771][ T7569] ? v9fs_show_options+0x6c0/0x6c0 [ 84.684855][ T7569] ? __kasan_check_read+0x11/0x20 [ 84.689864][ T7569] ? v9fs_mount+0x55/0x7f0 [ 84.694257][ T7569] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.699773][ T7569] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 84.705818][ T7569] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 84.711601][ T7569] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.717121][ T7569] ? apparmor_task_alloc+0x2f0/0x2f0 [ 84.722380][ T7569] v9fs_mount+0x72/0x7f0 [ 84.726598][ T7569] ? v9fs_write_inode+0x50/0x50 [ 84.731420][ T7569] legacy_get_tree+0x103/0x1f0 [ 84.736167][ T7569] vfs_get_tree+0x8b/0x2d0 [ 84.740553][ T7569] ? capable+0x14/0x20 [ 84.744598][ T7569] do_mount+0x1270/0x1b60 [ 84.748897][ T7569] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 84.754413][ T7569] ? copy_mount_string+0x20/0x20 [ 84.759373][ T7569] ? kmem_cache_alloc_trace+0x39e/0x780 [ 84.764907][ T7569] ? __kasan_check_write+0x14/0x20 [ 84.770002][ T7569] ? _copy_from_user+0xd6/0x110 [ 84.774829][ T7569] ? __kasan_check_read+0x11/0x20 [ 84.779839][ T7569] ? copy_mount_options+0x77/0x2c0 [ 84.784940][ T7569] __x64_sys_mount+0x169/0x1c0 [ 84.789687][ T7569] do_syscall_64+0xd0/0x600 [ 84.794170][ T7569] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.800038][ T7569] RIP: 0033:0x458da9 [ 84.803911][ T7569] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.823492][ T7569] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 84.831874][ T7569] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 84.839824][ T7569] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 84.847785][ T7569] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 2019/12/18 21:48:58 executed programs: 74 [ 84.855728][ T7569] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 84.863685][ T7569] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 84.871664][ T7571] CPU: 0 PID: 7571 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 84.880239][ T7571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.880246][ T7571] Call Trace: [ 84.892206][ T7572] FAULT_INJECTION: forcing a failure. [ 84.892206][ T7572] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.894086][ T7571] dump_stack+0x12d/0x187 [ 84.911571][ T7571] should_fail.cold.4+0x5/0x13 [ 84.916321][ T7571] ? do_mount+0x1270/0x1b60 [ 84.920821][ T7571] ? fault_create_debugfs_attr+0x150/0x150 [ 84.926622][ T7571] ? find_held_lock+0x36/0x1d0 [ 84.931378][ T7571] should_fail_alloc_page+0x50/0x60 [ 84.936569][ T7571] __alloc_pages_nodemask+0x17f/0x890 [ 84.941937][ T7571] ? cache_grow_end+0xa8/0x190 [ 84.946694][ T7571] ? __alloc_pages_slowpath+0x2570/0x2570 [ 84.952518][ T7571] ? do_raw_spin_lock+0x132/0x2e0 [ 84.957530][ T7571] cache_grow_begin+0x92/0xca0 [ 84.962286][ T7571] ? __kmalloc+0xc5/0x790 [ 84.966611][ T7571] ? trace_hardirqs_off+0x41/0x1a0 [ 84.971791][ T7571] __kmalloc+0x6cd/0x790 [ 84.976561][ T7571] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 84.981858][ T7571] p9_fcall_init.isra.2+0x55/0x1c0 [ 84.986954][ T7571] p9_client_prepare_req.part.5+0x116/0x670 [ 84.992857][ T7571] p9_client_rpc+0x174/0xe50 [ 84.997547][ T7571] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 85.003360][ T7571] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.010206][ T7571] ? add_wait_queue+0x107/0x160 [ 85.015227][ T7571] ? p9_pollwait+0x182/0x210 [ 85.019810][ T7571] ? pipe_poll+0x80/0x300 [ 85.024163][ T7571] ? p9_fd_poll+0x19b/0x2a0 [ 85.028643][ T7571] ? p9_conn_create+0x399/0x4e0 [ 85.033484][ T7571] ? p9_conn_create+0x4e0/0x4e0 [ 85.038322][ T7571] p9_client_create+0x7ec/0x10e0 [ 85.043261][ T7571] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.049317][ T7571] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.054854][ T7571] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.061007][ T7571] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.066795][ T7571] ? __kmalloc_track_caller+0x60e/0x780 [ 85.072321][ T7571] ? __x64_sys_mount+0x169/0x1c0 [ 85.077236][ T7571] ? do_syscall_64+0xd0/0x600 [ 85.081888][ T7571] ? lockdep_init_map+0x1b6/0x6c0 [ 85.086896][ T7571] v9fs_session_init+0x1ed/0x14c0 [ 85.091960][ T7571] ? v9fs_session_init+0x1ed/0x14c0 [ 85.097174][ T7571] ? find_held_lock+0x36/0x1d0 [ 85.101926][ T7571] ? v9fs_show_options+0x6c0/0x6c0 [ 85.107046][ T7571] ? __kasan_check_read+0x11/0x20 [ 85.112052][ T7571] ? v9fs_mount+0x55/0x7f0 [ 85.116459][ T7571] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.121985][ T7571] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.128156][ T7571] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.134155][ T7571] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.139722][ T7571] ? apparmor_task_alloc+0x2f0/0x2f0 [ 85.145001][ T7571] v9fs_mount+0x72/0x7f0 [ 85.149230][ T7571] ? v9fs_write_inode+0x50/0x50 [ 85.154069][ T7571] legacy_get_tree+0x103/0x1f0 [ 85.158921][ T7571] vfs_get_tree+0x8b/0x2d0 [ 85.163363][ T7571] ? capable+0x14/0x20 [ 85.167416][ T7571] do_mount+0x1270/0x1b60 [ 85.171741][ T7571] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.177266][ T7571] ? copy_mount_string+0x20/0x20 [ 85.182206][ T7571] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.188183][ T7571] ? __kasan_check_write+0x14/0x20 [ 85.193275][ T7571] ? _copy_from_user+0xd6/0x110 [ 85.198116][ T7571] ? __kasan_check_read+0x11/0x20 [ 85.203135][ T7571] ? copy_mount_options+0x77/0x2c0 [ 85.208228][ T7571] __x64_sys_mount+0x169/0x1c0 [ 85.212981][ T7571] do_syscall_64+0xd0/0x600 [ 85.217478][ T7571] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.223359][ T7571] RIP: 0033:0x458da9 [ 85.227249][ T7571] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.247637][ T7571] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.256034][ T7571] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 85.264083][ T7571] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 85.272047][ T7571] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 85.280005][ T7571] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 85.288054][ T7571] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 85.296138][ T7572] CPU: 1 PID: 7572 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 85.305247][ T7572] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.315906][ T7572] Call Trace: [ 85.319715][ T7572] dump_stack+0x12d/0x187 [ 85.324044][ T7572] should_fail.cold.4+0x5/0x13 [ 85.328792][ T7572] ? do_mount+0x1270/0x1b60 [ 85.330733][ T7574] FAULT_INJECTION: forcing a failure. [ 85.330733][ T7574] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.333324][ T7572] ? fault_create_debugfs_attr+0x150/0x150 [ 85.352299][ T7572] ? find_held_lock+0x36/0x1d0 [ 85.357061][ T7572] should_fail_alloc_page+0x50/0x60 [ 85.362234][ T7572] __alloc_pages_nodemask+0x17f/0x890 [ 85.367588][ T7572] ? cache_grow_end+0xa8/0x190 [ 85.372329][ T7572] ? __alloc_pages_slowpath+0x2570/0x2570 [ 85.378020][ T7572] ? do_raw_spin_lock+0x132/0x2e0 [ 85.383022][ T7572] cache_grow_begin+0x92/0xca0 [ 85.387755][ T7572] ? __kmalloc+0xc5/0x790 [ 85.392055][ T7572] ? trace_hardirqs_off+0x41/0x1a0 [ 85.397138][ T7572] __kmalloc+0x6cd/0x790 [ 85.401355][ T7572] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 85.406617][ T7572] p9_fcall_init.isra.2+0x55/0x1c0 [ 85.411700][ T7572] p9_client_prepare_req.part.5+0x116/0x670 [ 85.417573][ T7572] p9_client_rpc+0x174/0xe50 [ 85.422137][ T7572] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 85.427913][ T7572] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.433950][ T7572] ? add_wait_queue+0x107/0x160 [ 85.438772][ T7572] ? p9_pollwait+0x182/0x210 [ 85.443346][ T7572] ? pipe_poll+0x80/0x300 [ 85.447650][ T7572] ? p9_fd_poll+0x19b/0x2a0 [ 85.452126][ T7572] ? p9_conn_create+0x399/0x4e0 [ 85.456951][ T7572] ? p9_conn_create+0x4e0/0x4e0 [ 85.461777][ T7572] p9_client_create+0x7ec/0x10e0 [ 85.466696][ T7572] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.472731][ T7572] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.478247][ T7572] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.484371][ T7572] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.490154][ T7572] ? __kmalloc_track_caller+0x60e/0x780 [ 85.495683][ T7572] ? __x64_sys_mount+0x169/0x1c0 [ 85.500596][ T7572] ? do_syscall_64+0xd0/0x600 [ 85.505244][ T7572] ? lockdep_init_map+0x1b6/0x6c0 [ 85.510244][ T7572] v9fs_session_init+0x1ed/0x14c0 [ 85.515239][ T7572] ? v9fs_session_init+0x1ed/0x14c0 [ 85.520411][ T7572] ? find_held_lock+0x36/0x1d0 [ 85.525151][ T7572] ? v9fs_show_options+0x6c0/0x6c0 [ 85.530232][ T7572] ? __kasan_check_read+0x11/0x20 [ 85.535228][ T7572] ? v9fs_mount+0x55/0x7f0 [ 85.539622][ T7572] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.545149][ T7572] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.551188][ T7572] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.556971][ T7572] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.562491][ T7572] ? apparmor_task_alloc+0x2f0/0x2f0 [ 85.567754][ T7572] v9fs_mount+0x72/0x7f0 [ 85.571973][ T7572] ? v9fs_write_inode+0x50/0x50 [ 85.576881][ T7572] legacy_get_tree+0x103/0x1f0 [ 85.581630][ T7572] vfs_get_tree+0x8b/0x2d0 [ 85.586021][ T7572] ? capable+0x14/0x20 [ 85.590069][ T7572] do_mount+0x1270/0x1b60 [ 85.594372][ T7572] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 85.599808][ T7572] ? copy_mount_string+0x20/0x20 [ 85.604728][ T7572] ? retint_kernel+0x2b/0x2b [ 85.609382][ T7572] ? copy_mount_options+0x1b3/0x2c0 [ 85.614554][ T7572] __x64_sys_mount+0x169/0x1c0 [ 85.619304][ T7572] do_syscall_64+0xd0/0x600 [ 85.623782][ T7572] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.629649][ T7572] RIP: 0033:0x458da9 [ 85.633518][ T7572] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 85.653267][ T7572] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 85.661652][ T7572] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 85.669595][ T7572] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 85.677549][ T7572] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 85.686457][ T7572] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 85.694416][ T7572] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 85.702381][ T7574] CPU: 0 PID: 7574 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 85.710952][ T7574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.710956][ T7574] Call Trace: [ 85.710967][ T7574] dump_stack+0x12d/0x187 [ 85.710977][ T7574] should_fail.cold.4+0x5/0x13 [ 85.710987][ T7574] ? do_mount+0x1270/0x1b60 [ 85.724290][ T7574] ? fault_create_debugfs_attr+0x150/0x150 [ 85.724302][ T7574] ? find_held_lock+0x36/0x1d0 [ 85.724312][ T7574] should_fail_alloc_page+0x50/0x60 [ 85.724318][ T7574] __alloc_pages_nodemask+0x17f/0x890 [ 85.724325][ T7574] ? cache_grow_end+0xa8/0x190 [ 85.724332][ T7574] ? __alloc_pages_slowpath+0x2570/0x2570 [ 85.724337][ T7574] ? do_raw_spin_lock+0x132/0x2e0 [ 85.724353][ T7574] cache_grow_begin+0x92/0xca0 [ 85.733400][ T7574] ? __kmalloc+0xc5/0x790 [ 85.733408][ T7574] ? trace_hardirqs_off+0x41/0x1a0 [ 85.733416][ T7574] __kmalloc+0x6cd/0x790 [ 85.733427][ T7574] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 85.733435][ T7574] p9_fcall_init.isra.2+0x55/0x1c0 [ 85.733443][ T7574] p9_client_prepare_req.part.5+0x116/0x670 [ 85.733454][ T7574] p9_client_rpc+0x174/0xe50 [ 85.748469][ T7574] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 85.748478][ T7574] ? p9_client_prepare_req.part.5+0x670/0x670 [ 85.748486][ T7574] ? add_wait_queue+0x107/0x160 [ 85.748494][ T7574] ? p9_pollwait+0x182/0x210 [ 85.748503][ T7574] ? pipe_poll+0x80/0x300 [ 85.759029][ T7574] ? p9_fd_poll+0x19b/0x2a0 [ 85.759038][ T7574] ? p9_conn_create+0x399/0x4e0 [ 85.759047][ T7574] ? p9_conn_create+0x4e0/0x4e0 [ 85.759059][ T7574] p9_client_create+0x7ec/0x10e0 [ 85.769507][ T7574] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 85.769515][ T7574] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.769521][ T7574] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.769528][ T7574] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.769538][ T7574] ? __kmalloc_track_caller+0x60e/0x780 [ 85.779277][ T7574] ? __x64_sys_mount+0x169/0x1c0 [ 85.779284][ T7574] ? do_syscall_64+0xd0/0x600 [ 85.779288][ T7574] ? lockdep_init_map+0x1b6/0x6c0 [ 85.779303][ T7574] v9fs_session_init+0x1ed/0x14c0 [ 85.779308][ T7574] ? v9fs_session_init+0x1ed/0x14c0 [ 85.779317][ T7574] ? find_held_lock+0x36/0x1d0 [ 85.805713][ T7581] FAULT_INJECTION: forcing a failure. [ 85.805713][ T7581] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.809185][ T7574] ? v9fs_show_options+0x6c0/0x6c0 [ 85.935032][ T7574] ? __kasan_check_read+0x11/0x20 [ 85.940043][ T7574] ? v9fs_mount+0x55/0x7f0 [ 85.944434][ T7574] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 85.949953][ T7574] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 85.955989][ T7574] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 85.961779][ T7574] ? kmem_cache_alloc_trace+0x39e/0x780 [ 85.967302][ T7574] ? apparmor_task_alloc+0x2f0/0x2f0 [ 85.972558][ T7574] v9fs_mount+0x72/0x7f0 [ 85.976773][ T7574] ? v9fs_write_inode+0x50/0x50 [ 85.981598][ T7574] legacy_get_tree+0x103/0x1f0 [ 85.986335][ T7574] vfs_get_tree+0x8b/0x2d0 [ 85.990732][ T7574] ? capable+0x14/0x20 [ 85.994773][ T7574] do_mount+0x1270/0x1b60 [ 85.999079][ T7574] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.004612][ T7574] ? copy_mount_string+0x20/0x20 [ 86.009542][ T7574] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.015076][ T7574] ? __kasan_check_write+0x14/0x20 [ 86.020205][ T7574] ? _copy_from_user+0xd6/0x110 [ 86.025045][ T7574] ? __kasan_check_read+0x11/0x20 [ 86.030047][ T7574] ? copy_mount_options+0x77/0x2c0 [ 86.035138][ T7574] __x64_sys_mount+0x169/0x1c0 [ 86.039890][ T7574] do_syscall_64+0xd0/0x600 [ 86.044367][ T7574] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.051192][ T7574] RIP: 0033:0x458da9 [ 86.055060][ T7574] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.074841][ T7574] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.083231][ T7574] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 86.091186][ T7574] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.099135][ T7574] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.107082][ T7574] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 86.115029][ T7574] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.123005][ T7581] CPU: 1 PID: 7581 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 86.131588][ T7581] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.141634][ T7581] Call Trace: [ 86.144916][ T7581] dump_stack+0x12d/0x187 [ 86.149265][ T7581] should_fail.cold.4+0x5/0x13 [ 86.154022][ T7581] ? do_mount+0x1270/0x1b60 [ 86.158518][ T7581] ? fault_create_debugfs_attr+0x150/0x150 [ 86.164427][ T7581] ? find_held_lock+0x36/0x1d0 [ 86.169184][ T7581] should_fail_alloc_page+0x50/0x60 [ 86.174361][ T7581] __alloc_pages_nodemask+0x17f/0x890 [ 86.179724][ T7581] ? cache_grow_end+0xa8/0x190 [ 86.184479][ T7581] ? __alloc_pages_slowpath+0x2570/0x2570 [ 86.190176][ T7581] ? do_raw_spin_lock+0x132/0x2e0 [ 86.195188][ T7581] cache_grow_begin+0x92/0xca0 [ 86.199941][ T7581] ? __kmalloc+0xc5/0x790 [ 86.204259][ T7581] ? trace_hardirqs_off+0x41/0x1a0 [ 86.209345][ T7581] __kmalloc+0x6cd/0x790 [ 86.213570][ T7581] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 86.218854][ T7581] p9_fcall_init.isra.2+0x55/0x1c0 [ 86.223956][ T7581] p9_client_prepare_req.part.5+0x116/0x670 [ 86.229838][ T7581] p9_client_rpc+0x174/0xe50 [ 86.234411][ T7581] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 86.234417][ T7581] ? p9_client_prepare_req.part.5+0x670/0x670 [ 86.234423][ T7581] ? add_wait_queue+0x107/0x160 [ 86.234431][ T7581] ? p9_pollwait+0x182/0x210 [ 86.234438][ T7581] ? pipe_poll+0x80/0x300 [ 86.234445][ T7581] ? p9_fd_poll+0x19b/0x2a0 [ 86.234452][ T7581] ? p9_conn_create+0x399/0x4e0 [ 86.234460][ T7581] ? p9_conn_create+0x4e0/0x4e0 [ 86.234471][ T7581] p9_client_create+0x7ec/0x10e0 [ 86.234483][ T7581] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 86.234489][ T7581] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.234494][ T7581] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.234500][ T7581] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.234511][ T7581] ? __kmalloc_track_caller+0x60e/0x780 [ 86.234518][ T7581] ? __x64_sys_mount+0x169/0x1c0 [ 86.234527][ T7581] ? do_syscall_64+0xd0/0x600 [ 86.317492][ T7581] ? lockdep_init_map+0x1b6/0x6c0 [ 86.322515][ T7581] v9fs_session_init+0x1ed/0x14c0 [ 86.327518][ T7581] ? v9fs_session_init+0x1ed/0x14c0 [ 86.332695][ T7581] ? find_held_lock+0x36/0x1d0 [ 86.337438][ T7581] ? v9fs_show_options+0x6c0/0x6c0 [ 86.342525][ T7581] ? __kasan_check_read+0x11/0x20 [ 86.347618][ T7581] ? v9fs_mount+0x55/0x7f0 [ 86.352009][ T7581] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.357542][ T7581] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.363591][ T7581] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.369478][ T7581] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.375009][ T7581] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.380273][ T7581] v9fs_mount+0x72/0x7f0 [ 86.384492][ T7581] ? v9fs_write_inode+0x50/0x50 [ 86.389333][ T7581] legacy_get_tree+0x103/0x1f0 [ 86.394080][ T7581] vfs_get_tree+0x8b/0x2d0 [ 86.398473][ T7581] ? capable+0x14/0x20 [ 86.402519][ T7581] do_mount+0x1270/0x1b60 [ 86.406823][ T7581] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.412349][ T7581] ? copy_mount_string+0x20/0x20 [ 86.418222][ T7581] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.423740][ T7581] ? __kasan_check_write+0x14/0x20 [ 86.428828][ T7581] ? _copy_from_user+0xd6/0x110 [ 86.433649][ T7581] ? __kasan_check_read+0x11/0x20 [ 86.438641][ T7581] ? copy_mount_options+0x77/0x2c0 [ 86.443725][ T7581] __x64_sys_mount+0x169/0x1c0 [ 86.448462][ T7581] do_syscall_64+0xd0/0x600 [ 86.452938][ T7581] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.458800][ T7581] RIP: 0033:0x458da9 [ 86.462677][ 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 [ 86.482341][ T7581] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.490723][ T7581] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 86.498668][ T7581] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.506610][ T7581] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.514552][ T7581] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 86.522759][ T7581] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.533501][ T7568] CPU: 0 PID: 7568 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 86.542090][ T7568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.552140][ T7568] Call Trace: [ 86.553863][ T7589] FAULT_INJECTION: forcing a failure. [ 86.553863][ T7589] name failslab, interval 1, probability 0, space 0, times 0 [ 86.555433][ T7568] dump_stack+0x12d/0x187 [ 86.555445][ T7568] should_fail.cold.4+0x5/0x13 [ 86.555455][ T7568] ? fault_create_debugfs_attr+0x150/0x150 [ 86.582514][ T7591] FAULT_INJECTION: forcing a failure. [ 86.582514][ T7591] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 86.582867][ T7568] ? ___might_sleep+0x16b/0x2b0 [ 86.600857][ T7568] __should_failslab+0xba/0xf0 [ 86.605595][ T7568] should_failslab+0x9/0x14 [ 86.610074][ T7568] __kmalloc+0x2eb/0x790 [ 86.614296][ T7568] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 86.619556][ T7568] p9_fcall_init.isra.2+0x55/0x1c0 [ 86.624641][ T7568] p9_client_prepare_req.part.5+0x116/0x670 [ 86.630506][ T7568] p9_client_rpc+0x174/0xe50 [ 86.635079][ T7568] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 86.640854][ T7568] ? p9_client_prepare_req.part.5+0x670/0x670 [ 86.646890][ T7568] ? add_wait_queue+0x107/0x160 [ 86.651711][ T7568] ? p9_pollwait+0x182/0x210 [ 86.656277][ T7568] ? pipe_poll+0x80/0x300 [ 86.660591][ T7568] ? p9_fd_poll+0x19b/0x2a0 [ 86.665070][ T7568] ? p9_conn_create+0x399/0x4e0 [ 86.669912][ T7568] ? p9_conn_create+0x4e0/0x4e0 [ 86.674739][ T7568] p9_client_create+0x7ec/0x10e0 [ 86.679680][ T7568] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 86.685721][ T7568] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.691329][ T7568] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.697371][ T7568] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.703152][ T7568] ? __kmalloc_track_caller+0x60e/0x780 [ 86.708672][ T7568] ? __x64_sys_mount+0x169/0x1c0 [ 86.713581][ T7568] ? do_syscall_64+0xd0/0x600 [ 86.718251][ T7568] ? lockdep_init_map+0x1b6/0x6c0 [ 86.723267][ T7568] v9fs_session_init+0x1ed/0x14c0 [ 86.728276][ T7568] ? v9fs_session_init+0x1ed/0x14c0 [ 86.733461][ T7568] ? find_held_lock+0x36/0x1d0 [ 86.738316][ T7568] ? v9fs_show_options+0x6c0/0x6c0 [ 86.743401][ T7568] ? __kasan_check_read+0x11/0x20 [ 86.748399][ T7568] ? v9fs_mount+0x55/0x7f0 [ 86.752789][ T7568] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.758309][ T7568] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 86.764350][ T7568] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 86.770221][ T7568] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.775741][ T7568] ? apparmor_task_alloc+0x2f0/0x2f0 [ 86.781011][ T7568] v9fs_mount+0x72/0x7f0 [ 86.785227][ T7568] ? v9fs_write_inode+0x50/0x50 [ 86.790050][ T7568] legacy_get_tree+0x103/0x1f0 [ 86.794789][ T7568] vfs_get_tree+0x8b/0x2d0 [ 86.799176][ T7568] ? capable+0x14/0x20 [ 86.803218][ T7568] do_mount+0x1270/0x1b60 [ 86.807524][ T7568] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 86.813068][ T7568] ? copy_mount_string+0x20/0x20 [ 86.817990][ T7568] ? kmem_cache_alloc_trace+0x39e/0x780 [ 86.823513][ T7568] ? __kasan_check_write+0x14/0x20 [ 86.828602][ T7568] ? _copy_from_user+0xd6/0x110 [ 86.833431][ T7568] ? __kasan_check_read+0x11/0x20 [ 86.838428][ T7568] ? copy_mount_options+0x77/0x2c0 [ 86.843515][ T7568] __x64_sys_mount+0x169/0x1c0 [ 86.848257][ T7568] do_syscall_64+0xd0/0x600 [ 86.852736][ T7568] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 86.858604][ T7568] RIP: 0033:0x458da9 [ 86.862472][ T7568] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 86.882052][ T7568] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 86.890437][ T7568] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 86.898383][ T7568] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 86.906348][ T7568] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 86.914310][ T7568] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 86.922272][ T7568] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 86.930258][ T7591] CPU: 1 PID: 7591 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 86.938835][ T7591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 86.938841][ T7591] Call Trace: [ 86.951725][ T7595] FAULT_INJECTION: forcing a failure. [ 86.951725][ T7595] name failslab, interval 1, probability 0, space 0, times 0 [ 86.952156][ T7591] dump_stack+0x12d/0x187 [ 86.969282][ T7591] should_fail.cold.4+0x5/0x13 [ 86.974032][ T7591] ? do_mount+0x1270/0x1b60 [ 86.978522][ T7591] ? fault_create_debugfs_attr+0x150/0x150 [ 86.984312][ T7591] ? find_held_lock+0x36/0x1d0 [ 86.984321][ T7591] should_fail_alloc_page+0x50/0x60 [ 86.984327][ T7591] __alloc_pages_nodemask+0x17f/0x890 [ 86.984333][ T7591] ? cache_grow_end+0xa8/0x190 [ 86.984339][ T7591] ? __alloc_pages_slowpath+0x2570/0x2570 [ 86.984344][ T7591] ? do_raw_spin_lock+0x132/0x2e0 [ 86.984357][ T7591] cache_grow_begin+0x92/0xca0 [ 86.984361][ T7591] ? __kmalloc+0xc5/0x790 [ 86.984369][ T7591] ? trace_hardirqs_off+0x41/0x1a0 [ 86.984377][ T7591] __kmalloc+0x6cd/0x790 [ 86.984388][ T7591] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 86.984396][ T7591] p9_fcall_init.isra.2+0x55/0x1c0 [ 86.984404][ T7591] p9_client_prepare_req.part.5+0x116/0x670 [ 86.984414][ T7591] p9_client_rpc+0x174/0xe50 [ 86.984423][ T7591] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 86.994338][ T7591] ? p9_client_prepare_req.part.5+0x670/0x670 [ 86.994346][ T7591] ? add_wait_queue+0x107/0x160 [ 86.994353][ T7591] ? p9_pollwait+0x182/0x210 [ 86.994361][ T7591] ? pipe_poll+0x80/0x300 [ 86.994368][ T7591] ? p9_fd_poll+0x19b/0x2a0 [ 86.994375][ T7591] ? p9_conn_create+0x399/0x4e0 [ 86.994383][ T7591] ? p9_conn_create+0x4e0/0x4e0 [ 86.994396][ T7591] p9_client_create+0x7ec/0x10e0 [ 87.020452][ T7591] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.106706][ T7591] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.112233][ T7591] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.118284][ T7591] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.124087][ T7591] ? __kmalloc_track_caller+0x60e/0x780 [ 87.129630][ T7591] ? __x64_sys_mount+0x169/0x1c0 [ 87.134564][ T7591] ? do_syscall_64+0xd0/0x600 [ 87.139254][ T7591] ? lockdep_init_map+0x1b6/0x6c0 [ 87.144273][ T7591] v9fs_session_init+0x1ed/0x14c0 [ 87.149282][ T7591] ? v9fs_session_init+0x1ed/0x14c0 [ 87.154462][ T7591] ? find_held_lock+0x36/0x1d0 [ 87.159206][ T7591] ? v9fs_show_options+0x6c0/0x6c0 [ 87.164298][ T7591] ? __kasan_check_read+0x11/0x20 [ 87.169308][ T7591] ? v9fs_mount+0x55/0x7f0 [ 87.173703][ T7591] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.179222][ T7591] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.185281][ T7591] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.191072][ T7591] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.196594][ T7591] ? apparmor_task_alloc+0x2f0/0x2f0 [ 87.201857][ T7591] v9fs_mount+0x72/0x7f0 [ 87.206083][ T7591] ? v9fs_write_inode+0x50/0x50 [ 87.210923][ T7591] legacy_get_tree+0x103/0x1f0 [ 87.215668][ T7591] vfs_get_tree+0x8b/0x2d0 [ 87.220172][ T7591] ? capable+0x14/0x20 [ 87.224221][ T7591] do_mount+0x1270/0x1b60 [ 87.228529][ T7591] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.234159][ T7591] ? copy_mount_string+0x20/0x20 [ 87.239081][ T7591] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.244622][ T7591] ? __kasan_check_write+0x14/0x20 [ 87.249715][ T7591] ? _copy_from_user+0xd6/0x110 [ 87.254559][ T7591] ? __kasan_check_read+0x11/0x20 [ 87.259587][ T7591] ? copy_mount_options+0x77/0x2c0 [ 87.264681][ T7591] __x64_sys_mount+0x169/0x1c0 [ 87.269437][ T7591] do_syscall_64+0xd0/0x600 [ 87.274033][ T7591] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.279915][ T7591] RIP: 0033:0x458da9 [ 87.283800][ T7591] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.303508][ T7591] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.311906][ T7591] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 87.319856][ T7591] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 87.327808][ T7591] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 87.336286][ T7591] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 87.344241][ T7591] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 87.352246][ T7589] CPU: 0 PID: 7589 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 87.360932][ T7589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.371330][ T7589] Call Trace: [ 87.374605][ T7589] dump_stack+0x12d/0x187 [ 87.379260][ T7589] should_fail.cold.4+0x5/0x13 [ 87.383999][ T7589] ? fault_create_debugfs_attr+0x150/0x150 [ 87.389882][ T7589] ? ___might_sleep+0x16b/0x2b0 [ 87.394722][ T7589] __should_failslab+0xba/0xf0 [ 87.399464][ T7589] should_failslab+0x9/0x14 [ 87.403942][ T7589] __kmalloc+0x2eb/0x790 [ 87.408176][ T7589] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 87.413441][ T7589] p9_fcall_init.isra.2+0x55/0x1c0 [ 87.418545][ T7589] p9_client_prepare_req.part.5+0x116/0x670 [ 87.424431][ T7589] p9_client_rpc+0x174/0xe50 [ 87.429272][ T7589] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 87.435678][ T7589] ? p9_client_prepare_req.part.5+0x670/0x670 [ 87.441732][ T7589] ? add_wait_queue+0x107/0x160 [ 87.446564][ T7589] ? p9_pollwait+0x182/0x210 [ 87.451134][ T7589] ? pipe_poll+0x80/0x300 [ 87.455443][ T7589] ? p9_fd_poll+0x19b/0x2a0 [ 87.459923][ T7589] ? p9_conn_create+0x399/0x4e0 [ 87.464748][ T7589] ? p9_conn_create+0x4e0/0x4e0 [ 87.469583][ T7589] p9_client_create+0x7ec/0x10e0 [ 87.474499][ T7589] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.480541][ T7589] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.486059][ T7589] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.492097][ T7589] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.497878][ T7589] ? __kmalloc_track_caller+0x60e/0x780 [ 87.503394][ T7589] ? __x64_sys_mount+0x169/0x1c0 [ 87.508304][ T7589] ? do_syscall_64+0xd0/0x600 [ 87.512951][ T7589] ? lockdep_init_map+0x1b6/0x6c0 [ 87.517954][ T7589] v9fs_session_init+0x1ed/0x14c0 [ 87.522960][ T7589] ? v9fs_session_init+0x1ed/0x14c0 [ 87.528131][ T7589] ? find_held_lock+0x36/0x1d0 [ 87.532879][ T7589] ? v9fs_show_options+0x6c0/0x6c0 [ 87.537961][ T7589] ? __kasan_check_read+0x11/0x20 [ 87.542958][ T7589] ? v9fs_mount+0x55/0x7f0 [ 87.547346][ T7589] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.552863][ T7589] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.558901][ T7589] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.564681][ T7589] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.570213][ T7589] ? apparmor_task_alloc+0x2f0/0x2f0 [ 87.575566][ T7589] v9fs_mount+0x72/0x7f0 [ 87.579794][ T7589] ? v9fs_write_inode+0x50/0x50 [ 87.584618][ T7589] legacy_get_tree+0x103/0x1f0 [ 87.589455][ T7589] vfs_get_tree+0x8b/0x2d0 [ 87.593842][ T7589] ? capable+0x14/0x20 [ 87.597884][ T7589] do_mount+0x1270/0x1b60 [ 87.602199][ T7589] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.607718][ T7589] ? copy_mount_string+0x20/0x20 [ 87.612630][ T7589] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.619103][ T7589] ? __kasan_check_write+0x14/0x20 [ 87.624186][ T7589] ? _copy_from_user+0xd6/0x110 [ 87.629041][ T7589] ? __kasan_check_read+0x11/0x20 [ 87.634038][ T7589] ? copy_mount_options+0x77/0x2c0 [ 87.639123][ T7589] __x64_sys_mount+0x169/0x1c0 [ 87.643862][ T7589] do_syscall_64+0xd0/0x600 [ 87.648341][ T7589] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 87.654205][ T7589] RIP: 0033:0x458da9 [ 87.658072][ T7589] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 87.677648][ T7589] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 87.686032][ T7589] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 87.693977][ T7589] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 87.702007][ T7589] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 87.709965][ T7589] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 87.718006][ T7589] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 87.739395][ T7595] CPU: 0 PID: 7595 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 87.748005][ T7595] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 87.754932][ T7604] FAULT_INJECTION: forcing a failure. [ 87.754932][ T7604] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 87.758055][ T7595] Call Trace: [ 87.774765][ T7595] dump_stack+0x12d/0x187 [ 87.779073][ T7595] should_fail.cold.4+0x5/0x13 [ 87.783814][ T7595] ? fault_create_debugfs_attr+0x150/0x150 [ 87.789594][ T7595] ? ___might_sleep+0x16b/0x2b0 [ 87.794420][ T7595] __should_failslab+0xba/0xf0 [ 87.799165][ T7595] should_failslab+0x9/0x14 [ 87.803756][ T7595] __kmalloc+0x2eb/0x790 [ 87.807975][ T7595] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 87.813236][ T7595] p9_fcall_init.isra.2+0x55/0x1c0 [ 87.818323][ T7595] p9_client_prepare_req.part.5+0x116/0x670 [ 87.824191][ T7595] p9_client_rpc+0x174/0xe50 [ 87.828756][ T7595] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 87.834565][ T7595] ? p9_client_prepare_req.part.5+0x670/0x670 [ 87.840614][ T7595] ? add_wait_queue+0x107/0x160 [ 87.845437][ T7595] ? p9_pollwait+0x182/0x210 [ 87.850002][ T7595] ? pipe_poll+0x80/0x300 [ 87.854309][ T7595] ? p9_fd_poll+0x19b/0x2a0 [ 87.858800][ T7595] ? p9_conn_create+0x399/0x4e0 [ 87.863626][ T7595] ? p9_conn_create+0x4e0/0x4e0 [ 87.868455][ T7595] p9_client_create+0x7ec/0x10e0 [ 87.873370][ T7595] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 87.879422][ T7595] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.884940][ T7595] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.890996][ T7595] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.896777][ T7595] ? __kmalloc_track_caller+0x60e/0x780 [ 87.902299][ T7595] ? __x64_sys_mount+0x169/0x1c0 [ 87.908164][ T7595] ? do_syscall_64+0xd0/0x600 [ 87.912827][ T7595] ? lockdep_init_map+0x1b6/0x6c0 [ 87.917829][ T7595] v9fs_session_init+0x1ed/0x14c0 [ 87.922829][ T7595] ? v9fs_session_init+0x1ed/0x14c0 [ 87.928003][ T7595] ? find_held_lock+0x36/0x1d0 [ 87.932743][ T7595] ? v9fs_show_options+0x6c0/0x6c0 [ 87.937827][ T7595] ? __kasan_check_read+0x11/0x20 [ 87.942826][ T7595] ? v9fs_mount+0x55/0x7f0 [ 87.947216][ T7595] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 87.952734][ T7595] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 87.958783][ T7595] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 87.964564][ T7595] ? kmem_cache_alloc_trace+0x39e/0x780 [ 87.971822][ T7595] ? apparmor_task_alloc+0x2f0/0x2f0 [ 87.977083][ T7595] v9fs_mount+0x72/0x7f0 [ 87.981322][ T7595] ? v9fs_write_inode+0x50/0x50 [ 87.986161][ T7595] legacy_get_tree+0x103/0x1f0 [ 87.990943][ T7595] vfs_get_tree+0x8b/0x2d0 [ 87.995352][ T7595] ? capable+0x14/0x20 [ 87.999402][ T7595] do_mount+0x1270/0x1b60 [ 88.003712][ T7595] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.009412][ T7595] ? copy_mount_string+0x20/0x20 [ 88.014329][ T7595] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.019857][ T7595] ? __kasan_check_write+0x14/0x20 [ 88.024948][ T7595] ? _copy_from_user+0xd6/0x110 [ 88.029775][ T7595] ? __kasan_check_read+0x11/0x20 [ 88.034782][ T7595] ? copy_mount_options+0x77/0x2c0 [ 88.039876][ T7595] __x64_sys_mount+0x169/0x1c0 [ 88.044616][ T7595] do_syscall_64+0xd0/0x600 [ 88.050134][ T7595] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.056008][ T7595] RIP: 0033:0x458da9 [ 88.059875][ T7595] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.079450][ T7595] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.087832][ T7595] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 88.095779][ T7595] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.103733][ T7595] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 88.111688][ T7595] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 88.119633][ T7595] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.127600][ T7604] CPU: 1 PID: 7604 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 88.136187][ T7604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.136191][ T7604] Call Trace: [ 88.136206][ T7604] dump_stack+0x12d/0x187 [ 88.136216][ T7604] should_fail.cold.4+0x5/0x13 [ 88.136222][ T7604] ? do_mount+0x1270/0x1b60 [ 88.136228][ T7604] ? fault_create_debugfs_attr+0x150/0x150 [ 88.136239][ T7604] ? find_held_lock+0x36/0x1d0 [ 88.136251][ T7604] should_fail_alloc_page+0x50/0x60 [ 88.158639][ T7604] __alloc_pages_nodemask+0x17f/0x890 [ 88.158660][ T7604] ? cache_grow_end+0xa8/0x190 [ 88.158667][ T7604] ? __alloc_pages_slowpath+0x2570/0x2570 [ 88.158676][ T7604] ? do_raw_spin_lock+0x132/0x2e0 [ 88.184245][ T7604] cache_grow_begin+0x92/0xca0 [ 88.184254][ T7604] ? __kmalloc+0xc5/0x790 [ 88.194701][ T7604] ? trace_hardirqs_off+0x41/0x1a0 [ 88.194713][ T7604] __kmalloc+0x6cd/0x790 [ 88.194723][ T7604] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 88.194731][ T7604] p9_fcall_init.isra.2+0x55/0x1c0 [ 88.194738][ T7604] p9_client_prepare_req.part.5+0x116/0x670 [ 88.194748][ T7604] p9_client_rpc+0x174/0xe50 [ 88.194756][ T7604] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 88.194761][ T7604] ? p9_client_prepare_req.part.5+0x670/0x670 [ 88.194768][ T7604] ? add_wait_queue+0x107/0x160 [ 88.194775][ T7604] ? p9_pollwait+0x182/0x210 [ 88.194786][ T7604] ? pipe_poll+0x80/0x300 [ 88.201000][ T7607] FAULT_INJECTION: forcing a failure. [ 88.201000][ T7607] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 88.204644][ T7604] ? p9_fd_poll+0x19b/0x2a0 [ 88.282088][ T7604] ? p9_conn_create+0x399/0x4e0 [ 88.286922][ T7604] ? p9_conn_create+0x4e0/0x4e0 [ 88.291749][ T7604] p9_client_create+0x7ec/0x10e0 [ 88.296665][ T7604] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 88.302702][ T7604] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.308221][ T7604] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.314256][ T7604] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.320036][ T7604] ? __kmalloc_track_caller+0x60e/0x780 [ 88.325562][ T7604] ? __x64_sys_mount+0x169/0x1c0 [ 88.330480][ T7604] ? do_syscall_64+0xd0/0x600 [ 88.335146][ T7604] ? lockdep_init_map+0x1b6/0x6c0 [ 88.340158][ T7604] v9fs_session_init+0x1ed/0x14c0 [ 88.345163][ T7604] ? v9fs_session_init+0x1ed/0x14c0 [ 88.350606][ T7604] ? find_held_lock+0x36/0x1d0 [ 88.355347][ T7604] ? v9fs_show_options+0x6c0/0x6c0 [ 88.360442][ T7604] ? __kasan_check_read+0x11/0x20 [ 88.365458][ T7604] ? v9fs_mount+0x55/0x7f0 [ 88.369856][ T7604] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.375373][ T7604] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.381411][ T7604] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.387189][ T7604] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.392819][ T7604] ? apparmor_task_alloc+0x2f0/0x2f0 [ 88.398075][ T7604] v9fs_mount+0x72/0x7f0 [ 88.402306][ T7604] ? v9fs_write_inode+0x50/0x50 [ 88.407130][ T7604] legacy_get_tree+0x103/0x1f0 [ 88.411867][ T7604] vfs_get_tree+0x8b/0x2d0 [ 88.416258][ T7604] ? capable+0x14/0x20 [ 88.420312][ T7604] do_mount+0x1270/0x1b60 [ 88.424619][ T7604] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.430147][ T7604] ? copy_mount_string+0x20/0x20 [ 88.435061][ T7604] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.440577][ T7604] ? __kasan_check_write+0x14/0x20 [ 88.445662][ T7604] ? _copy_from_user+0xd6/0x110 [ 88.450487][ T7604] ? __kasan_check_read+0x11/0x20 [ 88.455499][ T7604] ? copy_mount_options+0x77/0x2c0 [ 88.460585][ T7604] __x64_sys_mount+0x169/0x1c0 [ 88.465324][ T7604] do_syscall_64+0xd0/0x600 [ 88.469801][ T7604] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.475666][ T7604] RIP: 0033:0x458da9 [ 88.479535][ T7604] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.499135][ T7604] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.507526][ T7604] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 88.515820][ T7604] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.524300][ T7604] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 88.532248][ T7604] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 88.540194][ T7604] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.548171][ T7607] CPU: 0 PID: 7607 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 88.556750][ T7607] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.567236][ T7607] Call Trace: [ 88.570516][ T7607] dump_stack+0x12d/0x187 [ 88.574838][ T7607] should_fail.cold.4+0x5/0x13 [ 88.579593][ T7607] ? do_mount+0x1270/0x1b60 [ 88.584091][ T7607] ? fault_create_debugfs_attr+0x150/0x150 [ 88.584103][ T7607] ? find_held_lock+0x36/0x1d0 [ 88.584114][ T7607] should_fail_alloc_page+0x50/0x60 [ 88.584121][ T7607] __alloc_pages_nodemask+0x17f/0x890 [ 88.584128][ T7607] ? cache_grow_end+0xa8/0x190 [ 88.584134][ T7607] ? __alloc_pages_slowpath+0x2570/0x2570 [ 88.584140][ T7607] ? do_raw_spin_lock+0x132/0x2e0 [ 88.584153][ T7607] cache_grow_begin+0x92/0xca0 [ 88.584157][ T7607] ? __kmalloc+0xc5/0x790 [ 88.584165][ T7607] ? trace_hardirqs_off+0x41/0x1a0 [ 88.594694][ T7607] __kmalloc+0x6cd/0x790 [ 88.594706][ T7607] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 88.594715][ T7607] p9_fcall_init.isra.2+0x55/0x1c0 [ 88.594724][ T7607] p9_client_prepare_req.part.5+0x116/0x670 [ 88.594735][ T7607] p9_client_rpc+0x174/0xe50 [ 88.594745][ T7607] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 88.594750][ T7607] ? p9_client_prepare_req.part.5+0x670/0x670 [ 88.594757][ T7607] ? add_wait_queue+0x107/0x160 [ 88.594765][ T7607] ? p9_pollwait+0x182/0x210 [ 88.594773][ T7607] ? pipe_poll+0x80/0x300 [ 88.594784][ T7607] ? p9_fd_poll+0x19b/0x2a0 [ 88.603910][ T7610] FAULT_INJECTION: forcing a failure. [ 88.603910][ T7610] name failslab, interval 1, probability 0, space 0, times 0 [ 88.605314][ T7607] ? p9_conn_create+0x399/0x4e0 [ 88.605324][ T7607] ? p9_conn_create+0x4e0/0x4e0 [ 88.605338][ T7607] p9_client_create+0x7ec/0x10e0 [ 88.605350][ T7607] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 88.605359][ T7607] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.729368][ T7607] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.735415][ T7607] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.741199][ T7607] ? __kmalloc_track_caller+0x60e/0x780 [ 88.746721][ T7607] ? __x64_sys_mount+0x169/0x1c0 [ 88.751645][ T7607] ? do_syscall_64+0xd0/0x600 [ 88.756301][ T7607] ? lockdep_init_map+0x1b6/0x6c0 [ 88.761306][ T7607] v9fs_session_init+0x1ed/0x14c0 [ 88.766313][ T7607] ? v9fs_session_init+0x1ed/0x14c0 [ 88.771488][ T7607] ? find_held_lock+0x36/0x1d0 [ 88.776245][ T7607] ? v9fs_show_options+0x6c0/0x6c0 [ 88.781329][ T7607] ? __kasan_check_read+0x11/0x20 [ 88.786328][ T7607] ? v9fs_mount+0x55/0x7f0 [ 88.790720][ T7607] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.796240][ T7607] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 88.802285][ T7607] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 88.808074][ T7607] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.813594][ T7607] ? apparmor_task_alloc+0x2f0/0x2f0 [ 88.818873][ T7607] v9fs_mount+0x72/0x7f0 [ 88.823093][ T7607] ? v9fs_write_inode+0x50/0x50 [ 88.827918][ T7607] legacy_get_tree+0x103/0x1f0 [ 88.832828][ T7607] vfs_get_tree+0x8b/0x2d0 [ 88.837225][ T7607] ? capable+0x14/0x20 [ 88.842327][ T7607] do_mount+0x1270/0x1b60 [ 88.846640][ T7607] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 88.852159][ T7607] ? copy_mount_string+0x20/0x20 [ 88.857852][ T7607] ? kmem_cache_alloc_trace+0x39e/0x780 [ 88.863397][ T7607] ? __kasan_check_write+0x14/0x20 [ 88.868489][ T7607] ? _copy_from_user+0xd6/0x110 [ 88.873327][ T7607] ? __kasan_check_read+0x11/0x20 [ 88.878333][ T7607] ? copy_mount_options+0x77/0x2c0 [ 88.883425][ T7607] __x64_sys_mount+0x169/0x1c0 [ 88.888166][ T7607] do_syscall_64+0xd0/0x600 [ 88.892656][ T7607] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 88.898526][ T7607] RIP: 0033:0x458da9 [ 88.902400][ T7607] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 88.921980][ T7607] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 88.930379][ T7607] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 88.938338][ T7607] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 88.946301][ T7607] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 88.954247][ T7607] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 88.962215][ T7607] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 88.970188][ T7610] CPU: 1 PID: 7610 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 88.978771][ T7610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.985176][ T7613] FAULT_INJECTION: forcing a failure. [ 88.985176][ T7613] name failslab, interval 1, probability 0, space 0, times 0 [ 88.988815][ T7610] Call Trace: [ 88.988827][ T7610] dump_stack+0x12d/0x187 [ 88.988837][ T7610] should_fail.cold.4+0x5/0x13 [ 88.988845][ T7610] ? fault_create_debugfs_attr+0x150/0x150 [ 89.019521][ T7610] ? ___might_sleep+0x16b/0x2b0 [ 89.024391][ T7610] __should_failslab+0xba/0xf0 [ 89.029219][ T7610] should_failslab+0x9/0x14 [ 89.033704][ T7610] __kmalloc+0x2eb/0x790 [ 89.037927][ T7610] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 89.043193][ T7610] p9_fcall_init.isra.2+0x55/0x1c0 [ 89.048438][ T7610] p9_client_prepare_req.part.5+0x116/0x670 [ 89.054334][ T7610] p9_client_rpc+0x174/0xe50 [ 89.058909][ T7610] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 89.064713][ T7610] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.071020][ T7610] ? add_wait_queue+0x107/0x160 [ 89.075858][ T7610] ? p9_pollwait+0x182/0x210 [ 89.080443][ T7610] ? pipe_poll+0x80/0x300 [ 89.084781][ T7610] ? p9_fd_poll+0x19b/0x2a0 [ 89.090078][ T7610] ? p9_conn_create+0x399/0x4e0 [ 89.094930][ T7610] ? p9_conn_create+0x4e0/0x4e0 [ 89.099773][ T7610] p9_client_create+0x7ec/0x10e0 [ 89.104692][ T7610] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.110736][ T7610] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.116267][ T7610] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.122322][ T7610] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.128129][ T7610] ? __kmalloc_track_caller+0x60e/0x780 [ 89.134093][ T7610] ? __x64_sys_mount+0x169/0x1c0 [ 89.139005][ T7610] ? do_syscall_64+0xd0/0x600 [ 89.143662][ T7610] ? lockdep_init_map+0x1b6/0x6c0 [ 89.148671][ T7610] v9fs_session_init+0x1ed/0x14c0 [ 89.153684][ T7610] ? v9fs_session_init+0x1ed/0x14c0 [ 89.158885][ T7610] ? find_held_lock+0x36/0x1d0 [ 89.163631][ T7610] ? v9fs_show_options+0x6c0/0x6c0 [ 89.168721][ T7610] ? __kasan_check_read+0x11/0x20 [ 89.173742][ T7610] ? v9fs_mount+0x55/0x7f0 [ 89.178133][ T7610] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.183743][ T7610] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.189786][ T7610] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.195568][ T7610] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.201109][ T7610] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.206390][ T7610] v9fs_mount+0x72/0x7f0 [ 89.210619][ T7610] ? v9fs_write_inode+0x50/0x50 [ 89.215548][ T7610] legacy_get_tree+0x103/0x1f0 [ 89.220321][ T7610] vfs_get_tree+0x8b/0x2d0 [ 89.224712][ T7610] ? capable+0x14/0x20 [ 89.228770][ T7610] do_mount+0x1270/0x1b60 [ 89.233075][ T7610] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.238595][ T7610] ? copy_mount_string+0x20/0x20 [ 89.243521][ T7610] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.249061][ T7610] ? __kasan_check_write+0x14/0x20 [ 89.254143][ T7610] ? _copy_from_user+0xd6/0x110 [ 89.258965][ T7610] ? __kasan_check_read+0x11/0x20 [ 89.263974][ T7610] ? copy_mount_options+0x77/0x2c0 [ 89.269086][ T7610] __x64_sys_mount+0x169/0x1c0 [ 89.273838][ T7610] do_syscall_64+0xd0/0x600 [ 89.273847][ T7610] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.273853][ T7610] RIP: 0033:0x458da9 [ 89.273860][ T7610] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.273862][ T7610] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.273868][ T7610] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 89.273870][ T7610] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 89.273873][ T7610] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 89.273876][ T7610] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 89.273879][ T7610] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 89.286672][ T7613] CPU: 1 PID: 7613 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 89.298611][ T7620] FAULT_INJECTION: forcing a failure. [ 89.298611][ T7620] name failslab, interval 1, probability 0, space 0, times 0 [ 89.307928][ T7613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.307932][ T7613] Call Trace: [ 89.307950][ T7613] dump_stack+0x12d/0x187 [ 89.307968][ T7613] should_fail.cold.4+0x5/0x13 [ 89.307980][ T7613] ? fault_create_debugfs_attr+0x150/0x150 [ 89.307997][ T7613] ? ___might_sleep+0x16b/0x2b0 [ 89.308017][ T7613] __should_failslab+0xba/0xf0 [ 89.308026][ T7613] should_failslab+0x9/0x14 [ 89.308039][ T7613] __kmalloc+0x2eb/0x790 [ 89.308053][ T7613] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 89.349152][ T7613] p9_fcall_init.isra.2+0x55/0x1c0 [ 89.349162][ T7613] p9_client_prepare_req.part.5+0x116/0x670 [ 89.349172][ T7613] p9_client_rpc+0x174/0xe50 [ 89.349182][ T7613] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 89.349187][ T7613] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.349194][ T7613] ? add_wait_queue+0x107/0x160 [ 89.349202][ T7613] ? p9_pollwait+0x182/0x210 [ 89.349209][ T7613] ? pipe_poll+0x80/0x300 [ 89.349216][ T7613] ? p9_fd_poll+0x19b/0x2a0 [ 89.349224][ T7613] ? p9_conn_create+0x399/0x4e0 [ 89.349232][ T7613] ? p9_conn_create+0x4e0/0x4e0 [ 89.349243][ T7613] p9_client_create+0x7ec/0x10e0 [ 89.349255][ T7613] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.349261][ T7613] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.349267][ T7613] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.349273][ T7613] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.349284][ T7613] ? __kmalloc_track_caller+0x60e/0x780 [ 89.349291][ T7613] ? __x64_sys_mount+0x169/0x1c0 [ 89.349298][ T7613] ? do_syscall_64+0xd0/0x600 [ 89.349302][ T7613] ? lockdep_init_map+0x1b6/0x6c0 [ 89.349315][ T7613] v9fs_session_init+0x1ed/0x14c0 [ 89.392294][ T7613] ? v9fs_session_init+0x1ed/0x14c0 [ 89.392306][ T7613] ? find_held_lock+0x36/0x1d0 [ 89.392319][ T7613] ? v9fs_show_options+0x6c0/0x6c0 [ 89.407148][ T7613] ? __kasan_check_read+0x11/0x20 [ 89.407158][ T7613] ? v9fs_mount+0x55/0x7f0 [ 89.407165][ T7613] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.407170][ T7613] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.407175][ T7613] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.407185][ T7613] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.425446][ T7613] ? apparmor_task_alloc+0x2f0/0x2f0 [ 89.425458][ T7613] v9fs_mount+0x72/0x7f0 [ 89.425466][ T7613] ? v9fs_write_inode+0x50/0x50 [ 89.425473][ T7613] legacy_get_tree+0x103/0x1f0 [ 89.443649][ T7624] FAULT_INJECTION: forcing a failure. [ 89.443649][ T7624] name failslab, interval 1, probability 0, space 0, times 0 [ 89.446261][ T7613] vfs_get_tree+0x8b/0x2d0 [ 89.446268][ T7613] ? capable+0x14/0x20 [ 89.446277][ T7613] do_mount+0x1270/0x1b60 [ 89.446283][ T7613] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.446291][ T7613] ? copy_mount_string+0x20/0x20 [ 89.641632][ T7613] ? kmem_cache_alloc_trace+0x39e/0x780 [ 89.647155][ T7613] ? __kasan_check_write+0x14/0x20 [ 89.652250][ T7613] ? _copy_from_user+0xd6/0x110 [ 89.657093][ T7613] ? __kasan_check_read+0x11/0x20 [ 89.662097][ T7613] ? copy_mount_options+0x77/0x2c0 [ 89.667182][ T7613] __x64_sys_mount+0x169/0x1c0 [ 89.671924][ T7613] do_syscall_64+0xd0/0x600 [ 89.676406][ T7613] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.682280][ T7613] RIP: 0033:0x458da9 [ 89.686155][ T7613] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 89.706285][ T7613] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 89.708996][ T7629] FAULT_INJECTION: forcing a failure. [ 89.708996][ T7629] name failslab, interval 1, probability 0, space 0, times 0 [ 89.714688][ T7613] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 89.714692][ T7613] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 89.714695][ T7613] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 89.714698][ T7613] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 89.714702][ T7613] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 89.718956][ T7620] CPU: 1 PID: 7620 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 89.735361][ T7620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 89.735364][ T7620] Call Trace: [ 89.735376][ T7620] dump_stack+0x12d/0x187 [ 89.735386][ T7620] should_fail.cold.4+0x5/0x13 [ 89.735394][ T7620] ? fault_create_debugfs_attr+0x150/0x150 [ 89.735401][ T7620] ? ___might_sleep+0x16b/0x2b0 [ 89.735411][ T7620] __should_failslab+0xba/0xf0 [ 89.735418][ T7620] should_failslab+0x9/0x14 [ 89.735430][ T7620] __kmalloc+0x2eb/0x790 [ 89.735440][ T7620] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 89.735449][ T7620] p9_fcall_init.isra.2+0x55/0x1c0 [ 89.735457][ T7620] p9_client_prepare_req.part.5+0x116/0x670 [ 89.735467][ T7620] p9_client_rpc+0x174/0xe50 [ 89.735477][ T7620] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 89.735482][ T7620] ? p9_client_prepare_req.part.5+0x670/0x670 [ 89.735489][ T7620] ? add_wait_queue+0x107/0x160 [ 89.735497][ T7620] ? p9_pollwait+0x182/0x210 [ 89.735506][ T7620] ? pipe_poll+0x80/0x300 [ 89.735514][ T7620] ? p9_fd_poll+0x19b/0x2a0 [ 89.735522][ T7620] ? p9_conn_create+0x399/0x4e0 [ 89.735531][ T7620] ? p9_conn_create+0x4e0/0x4e0 [ 89.735544][ T7620] p9_client_create+0x7ec/0x10e0 [ 89.735555][ T7620] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 89.735562][ T7620] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.758758][ T7632] FAULT_INJECTION: forcing a failure. [ 89.758758][ T7632] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.759698][ T7620] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.922465][ T7620] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.928350][ T7620] ? __kmalloc_track_caller+0x60e/0x780 [ 89.934304][ T7620] ? __x64_sys_mount+0x169/0x1c0 [ 89.939216][ T7620] ? do_syscall_64+0xd0/0x600 [ 89.943952][ T7620] ? lockdep_init_map+0x1b6/0x6c0 [ 89.948962][ T7620] v9fs_session_init+0x1ed/0x14c0 [ 89.954321][ T7620] ? v9fs_session_init+0x1ed/0x14c0 [ 89.959505][ T7620] ? find_held_lock+0x36/0x1d0 [ 89.964250][ T7620] ? v9fs_show_options+0x6c0/0x6c0 [ 89.969334][ T7620] ? __kasan_check_read+0x11/0x20 [ 89.974333][ T7620] ? v9fs_mount+0x55/0x7f0 [ 89.978722][ T7620] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 89.984238][ T7620] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 89.990276][ T7620] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 89.996057][ T7620] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.001575][ T7620] ? apparmor_task_alloc+0x2f0/0x2f0 [ 90.006841][ T7620] v9fs_mount+0x72/0x7f0 [ 90.011062][ T7620] ? v9fs_write_inode+0x50/0x50 [ 90.015889][ T7620] legacy_get_tree+0x103/0x1f0 [ 90.020630][ T7620] vfs_get_tree+0x8b/0x2d0 [ 90.025034][ T7620] ? capable+0x14/0x20 [ 90.029080][ T7620] do_mount+0x1270/0x1b60 [ 90.033404][ T7620] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.039014][ T7620] ? copy_mount_string+0x20/0x20 [ 90.043930][ T7620] ? retint_kernel+0x2b/0x2b [ 90.048500][ T7620] ? copy_mount_options+0x1a8/0x2c0 [ 90.053673][ T7620] __x64_sys_mount+0x169/0x1c0 [ 90.058412][ T7620] do_syscall_64+0xd0/0x600 [ 90.062890][ T7620] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.068756][ T7620] RIP: 0033:0x458da9 [ 90.072624][ T7620] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.092465][ T7620] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.101040][ T7620] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 90.109072][ T7620] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.117018][ T7620] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 90.124982][ T7620] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 2019/12/18 21:49:03 executed programs: 88 [ 90.132967][ T7620] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.140966][ T7632] CPU: 0 PID: 7632 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 90.149549][ T7632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.159590][ T7632] Call Trace: [ 90.162860][ T7632] dump_stack+0x12d/0x187 [ 90.167193][ T7632] should_fail.cold.4+0x5/0x13 [ 90.171936][ T7632] ? do_mount+0x1270/0x1b60 [ 90.176421][ T7632] ? fault_create_debugfs_attr+0x150/0x150 [ 90.182212][ T7632] ? find_held_lock+0x36/0x1d0 [ 90.186964][ T7632] should_fail_alloc_page+0x50/0x60 [ 90.192411][ T7632] __alloc_pages_nodemask+0x17f/0x890 [ 90.197758][ T7632] ? cache_grow_end+0xa8/0x190 [ 90.202856][ T7632] ? __alloc_pages_slowpath+0x2570/0x2570 [ 90.208555][ T7632] ? do_raw_spin_lock+0x132/0x2e0 [ 90.213561][ T7632] cache_grow_begin+0x92/0xca0 [ 90.218297][ T7632] ? __kmalloc+0xc5/0x790 [ 90.222599][ T7632] ? trace_hardirqs_off+0x41/0x1a0 [ 90.227748][ T7632] __kmalloc+0x6cd/0x790 [ 90.232348][ T7632] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 90.237607][ T7632] p9_fcall_init.isra.2+0x55/0x1c0 [ 90.242694][ T7632] p9_client_prepare_req.part.5+0x116/0x670 [ 90.248573][ T7632] p9_client_rpc+0x174/0xe50 [ 90.253138][ T7632] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 90.258919][ T7632] ? p9_client_prepare_req.part.5+0x670/0x670 [ 90.264959][ T7632] ? add_wait_queue+0x107/0x160 [ 90.269783][ T7632] ? p9_pollwait+0x182/0x210 [ 90.274363][ T7632] ? pipe_poll+0x80/0x300 [ 90.278696][ T7632] ? p9_fd_poll+0x19b/0x2a0 [ 90.283197][ T7632] ? p9_conn_create+0x399/0x4e0 [ 90.288051][ T7632] ? p9_conn_create+0x4e0/0x4e0 [ 90.292905][ T7632] p9_client_create+0x7ec/0x10e0 [ 90.297830][ T7632] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 90.303890][ T7632] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.309413][ T7632] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.315482][ T7632] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.321310][ T7632] ? __kmalloc_track_caller+0x60e/0x780 [ 90.327447][ T7632] ? __x64_sys_mount+0x169/0x1c0 [ 90.333851][ T7632] ? do_syscall_64+0xd0/0x600 [ 90.338526][ T7632] ? lockdep_init_map+0x1b6/0x6c0 [ 90.343546][ T7632] v9fs_session_init+0x1ed/0x14c0 [ 90.348550][ T7632] ? v9fs_session_init+0x1ed/0x14c0 [ 90.353738][ T7632] ? find_held_lock+0x36/0x1d0 [ 90.358499][ T7632] ? v9fs_show_options+0x6c0/0x6c0 [ 90.363594][ T7632] ? __kasan_check_read+0x11/0x20 [ 90.368608][ T7632] ? v9fs_mount+0x55/0x7f0 [ 90.373153][ T7632] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.378779][ T7632] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.385082][ T7632] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.390876][ T7632] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.396402][ T7632] ? apparmor_task_alloc+0x2f0/0x2f0 [ 90.401675][ T7632] v9fs_mount+0x72/0x7f0 [ 90.407119][ T7632] ? v9fs_write_inode+0x50/0x50 [ 90.411944][ T7632] legacy_get_tree+0x103/0x1f0 [ 90.416687][ T7632] vfs_get_tree+0x8b/0x2d0 [ 90.421077][ T7632] ? capable+0x14/0x20 [ 90.425118][ T7632] do_mount+0x1270/0x1b60 [ 90.429419][ T7632] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.434937][ T7632] ? copy_mount_string+0x20/0x20 [ 90.439849][ T7632] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.445541][ T7632] ? __kasan_check_write+0x14/0x20 [ 90.450624][ T7632] ? _copy_from_user+0xd6/0x110 [ 90.455454][ T7632] ? __kasan_check_read+0x11/0x20 [ 90.460453][ T7632] ? copy_mount_options+0x77/0x2c0 [ 90.465540][ T7632] __x64_sys_mount+0x169/0x1c0 [ 90.470283][ T7632] do_syscall_64+0xd0/0x600 [ 90.474787][ T7632] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.480851][ T7632] RIP: 0033:0x458da9 [ 90.484730][ T7632] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.504311][ T7632] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.512919][ T7632] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 90.520882][ T7632] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.528966][ T7632] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 90.537003][ T7632] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 90.544968][ T7632] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.552930][ T7629] CPU: 1 PID: 7629 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 90.561522][ T7629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.571680][ T7629] Call Trace: [ 90.575216][ T7634] FAULT_INJECTION: forcing a failure. [ 90.575216][ T7634] name failslab, interval 1, probability 0, space 0, times 0 [ 90.575756][ T7629] dump_stack+0x12d/0x187 [ 90.592625][ T7629] should_fail.cold.4+0x5/0x13 [ 90.598276][ T7629] ? fault_create_debugfs_attr+0x150/0x150 [ 90.604057][ T7629] ? ___might_sleep+0x16b/0x2b0 [ 90.608982][ T7629] __should_failslab+0xba/0xf0 [ 90.613722][ T7629] should_failslab+0x9/0x14 [ 90.618245][ T7629] __kmalloc+0x2eb/0x790 [ 90.622465][ T7629] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 90.627722][ T7629] p9_fcall_init.isra.2+0x55/0x1c0 [ 90.632806][ T7629] p9_client_prepare_req.part.5+0x116/0x670 [ 90.638673][ T7629] p9_client_rpc+0x174/0xe50 [ 90.643242][ T7629] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 90.649037][ T7629] ? p9_client_prepare_req.part.5+0x670/0x670 [ 90.655121][ T7629] ? add_wait_queue+0x107/0x160 [ 90.659956][ T7629] ? p9_pollwait+0x182/0x210 [ 90.664617][ T7629] ? pipe_poll+0x80/0x300 [ 90.668975][ T7629] ? p9_fd_poll+0x19b/0x2a0 [ 90.673458][ T7629] ? p9_conn_create+0x399/0x4e0 [ 90.678288][ T7629] ? p9_conn_create+0x4e0/0x4e0 [ 90.683130][ T7629] p9_client_create+0x7ec/0x10e0 [ 90.688048][ T7629] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 90.694273][ T7629] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.699879][ T7629] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.705942][ T7629] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.711748][ T7629] ? __kmalloc_track_caller+0x60e/0x780 [ 90.717287][ T7629] ? __x64_sys_mount+0x169/0x1c0 [ 90.723722][ T7629] ? do_syscall_64+0xd0/0x600 [ 90.728379][ T7629] ? lockdep_init_map+0x1b6/0x6c0 [ 90.733403][ T7629] v9fs_session_init+0x1ed/0x14c0 [ 90.738404][ T7629] ? v9fs_session_init+0x1ed/0x14c0 [ 90.743580][ T7629] ? find_held_lock+0x36/0x1d0 [ 90.748322][ T7629] ? v9fs_show_options+0x6c0/0x6c0 [ 90.753406][ T7629] ? __kasan_check_read+0x11/0x20 [ 90.758408][ T7629] ? v9fs_mount+0x55/0x7f0 [ 90.762810][ T7629] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 90.768514][ T7629] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 90.774573][ T7629] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 90.780443][ T7629] ? kmem_cache_alloc_trace+0x39e/0x780 [ 90.786312][ T7629] ? apparmor_task_alloc+0x2f0/0x2f0 [ 90.791589][ T7629] v9fs_mount+0x72/0x7f0 [ 90.795836][ T7629] ? v9fs_write_inode+0x50/0x50 [ 90.800681][ T7629] legacy_get_tree+0x103/0x1f0 [ 90.805812][ T7629] vfs_get_tree+0x8b/0x2d0 [ 90.810336][ T7629] ? capable+0x14/0x20 [ 90.814410][ T7629] do_mount+0x1270/0x1b60 [ 90.818893][ T7629] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 90.824331][ T7629] ? copy_mount_string+0x20/0x20 [ 90.829246][ T7629] ? retint_kernel+0x2b/0x2b [ 90.833817][ T7629] ? copy_mount_options+0x1b3/0x2c0 [ 90.838991][ T7629] __x64_sys_mount+0x169/0x1c0 [ 90.843817][ T7629] do_syscall_64+0xd0/0x600 [ 90.848295][ T7629] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 90.854251][ T7629] RIP: 0033:0x458da9 [ 90.858133][ T7629] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 90.877923][ T7629] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 90.886334][ T7629] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 90.894311][ T7629] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 90.902451][ T7629] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 90.910414][ T7629] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 90.918377][ T7629] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 90.926363][ T7634] CPU: 0 PID: 7634 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 90.933658][ T7636] FAULT_INJECTION: forcing a failure. [ 90.933658][ T7636] name failslab, interval 1, probability 0, space 0, times 0 [ 90.934953][ T7634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 90.934957][ T7634] Call Trace: [ 90.934968][ T7634] dump_stack+0x12d/0x187 [ 90.934985][ T7634] should_fail.cold.4+0x5/0x13 [ 90.957575][ T7634] ? stack_trace_save+0x82/0xb0 [ 90.957584][ T7634] ? fault_create_debugfs_attr+0x150/0x150 [ 90.957598][ T7634] __should_failslab+0xba/0xf0 [ 90.957606][ T7634] should_failslab+0x9/0x14 [ 90.970099][ T7634] kmem_cache_alloc+0x47/0x750 [ 90.985813][ T7634] ? __x64_sys_mount+0x169/0x1c0 [ 90.985821][ T7634] ? do_syscall_64+0xd0/0x600 [ 90.985834][ T7634] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 90.985843][ T7634] ? __kasan_check_read+0x11/0x20 [ 90.995092][ T7634] idr_get_free+0x35d/0x880 [ 90.995106][ T7634] ? __kasan_check_read+0x11/0x20 [ 90.995114][ T7634] idr_alloc_u32+0x13a/0x330 [ 90.995122][ T7634] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 90.995128][ T7634] ? mark_held_locks+0x130/0x130 [ 90.995138][ T7634] ? __kasan_check_write+0x14/0x20 [ 91.020839][ T7634] ? do_raw_spin_lock+0x132/0x2e0 [ 91.051266][ T7634] idr_alloc+0x7d/0xc0 [ 91.055309][ T7634] ? idr_alloc_u32+0x330/0x330 [ 91.060049][ T7634] p9_client_prepare_req.part.5+0x571/0x670 [ 91.065919][ T7634] p9_client_rpc+0x174/0xe50 [ 91.070831][ T7634] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 91.076609][ T7634] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.082645][ T7634] ? add_wait_queue+0x107/0x160 [ 91.087477][ T7634] ? p9_pollwait+0x182/0x210 [ 91.092044][ T7634] ? pipe_poll+0x80/0x300 [ 91.096346][ T7634] ? p9_fd_poll+0x19b/0x2a0 [ 91.100822][ T7634] ? p9_conn_create+0x399/0x4e0 [ 91.105648][ T7634] ? p9_conn_create+0x4e0/0x4e0 [ 91.110483][ T7634] p9_client_create+0x7ec/0x10e0 [ 91.115414][ T7634] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.121457][ T7634] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.127939][ T7634] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.134478][ T7634] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.140263][ T7634] ? __kmalloc_track_caller+0x60e/0x780 [ 91.145780][ T7634] ? __x64_sys_mount+0x169/0x1c0 [ 91.150690][ T7634] ? do_syscall_64+0xd0/0x600 [ 91.155336][ T7634] ? lockdep_init_map+0x1b6/0x6c0 [ 91.160438][ T7634] v9fs_session_init+0x1ed/0x14c0 [ 91.165442][ T7634] ? v9fs_session_init+0x1ed/0x14c0 [ 91.170617][ T7634] ? find_held_lock+0x36/0x1d0 [ 91.175676][ T7634] ? v9fs_show_options+0x6c0/0x6c0 [ 91.180767][ T7634] ? __kasan_check_read+0x11/0x20 [ 91.185894][ T7634] ? v9fs_mount+0x55/0x7f0 [ 91.190286][ T7634] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.195803][ T7634] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.202728][ T7634] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.208518][ T7634] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.214056][ T7634] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.219328][ T7634] v9fs_mount+0x72/0x7f0 [ 91.223547][ T7634] ? v9fs_write_inode+0x50/0x50 [ 91.228372][ T7634] legacy_get_tree+0x103/0x1f0 [ 91.233122][ T7634] vfs_get_tree+0x8b/0x2d0 [ 91.237511][ T7634] ? capable+0x14/0x20 [ 91.241554][ T7634] do_mount+0x1270/0x1b60 [ 91.245859][ T7634] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.251388][ T7634] ? copy_mount_string+0x20/0x20 [ 91.256300][ T7634] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.261824][ T7634] ? __kasan_check_write+0x14/0x20 [ 91.266911][ T7634] ? _copy_from_user+0xd6/0x110 [ 91.271753][ T7634] ? __kasan_check_read+0x11/0x20 [ 91.276751][ T7634] ? copy_mount_options+0x77/0x2c0 [ 91.281835][ T7634] __x64_sys_mount+0x169/0x1c0 [ 91.286580][ T7634] do_syscall_64+0xd0/0x600 [ 91.291059][ T7634] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.296921][ T7634] RIP: 0033:0x458da9 [ 91.300792][ T7634] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 91.320460][ T7634] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.328955][ T7634] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 91.336911][ T7634] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 91.344876][ T7634] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 91.352830][ T7634] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 91.360791][ T7634] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 91.368806][ T7636] CPU: 1 PID: 7636 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 91.377392][ T7636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.387446][ T7636] Call Trace: [ 91.390737][ T7636] dump_stack+0x12d/0x187 [ 91.395065][ T7636] should_fail.cold.4+0x5/0x13 [ 91.399823][ T7636] ? fault_create_debugfs_attr+0x150/0x150 [ 91.405619][ T7636] ? ___might_sleep+0x16b/0x2b0 [ 91.410543][ T7636] __should_failslab+0xba/0xf0 [ 91.415668][ T7636] should_failslab+0x9/0x14 [ 91.420157][ T7636] __kmalloc+0x2eb/0x790 [ 91.424390][ T7636] ? retint_kernel+0x2b/0x2b [ 91.428972][ T7636] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 91.434758][ T7636] p9_fcall_init.isra.2+0x55/0x1c0 [ 91.439853][ T7636] p9_client_prepare_req.part.5+0x116/0x670 [ 91.442962][ T7642] FAULT_INJECTION: forcing a failure. [ 91.442962][ T7642] name failslab, interval 1, probability 0, space 0, times 0 [ 91.445741][ T7636] p9_client_rpc+0x174/0xe50 [ 91.445753][ T7636] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 91.445758][ T7636] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.445766][ T7636] ? add_wait_queue+0x107/0x160 [ 91.445773][ T7636] ? p9_pollwait+0x182/0x210 [ 91.445782][ T7636] ? pipe_poll+0x80/0x300 [ 91.445789][ T7636] ? p9_fd_poll+0x19b/0x2a0 [ 91.445796][ T7636] ? p9_conn_create+0x399/0x4e0 [ 91.445805][ T7636] ? p9_conn_create+0x4e0/0x4e0 [ 91.445817][ T7636] p9_client_create+0x7ec/0x10e0 [ 91.445829][ T7636] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.445835][ T7636] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.445840][ T7636] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.445849][ T7636] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.531063][ T7636] ? __kmalloc_track_caller+0x60e/0x780 [ 91.536916][ T7636] ? __x64_sys_mount+0x169/0x1c0 [ 91.541836][ T7636] ? do_syscall_64+0xd0/0x600 [ 91.546487][ T7636] ? lockdep_init_map+0x1b6/0x6c0 [ 91.551489][ T7636] v9fs_session_init+0x1ed/0x14c0 [ 91.556491][ T7636] ? v9fs_session_init+0x1ed/0x14c0 [ 91.561671][ T7636] ? find_held_lock+0x36/0x1d0 [ 91.566413][ T7636] ? v9fs_show_options+0x6c0/0x6c0 [ 91.571496][ T7636] ? __kasan_check_read+0x11/0x20 [ 91.576497][ T7636] ? v9fs_mount+0x55/0x7f0 [ 91.580895][ T7636] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.586415][ T7636] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.592457][ T7636] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.598241][ T7636] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.603765][ T7636] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.609023][ T7636] v9fs_mount+0x72/0x7f0 [ 91.613246][ T7636] ? v9fs_write_inode+0x50/0x50 [ 91.618070][ T7636] legacy_get_tree+0x103/0x1f0 [ 91.622808][ T7636] vfs_get_tree+0x8b/0x2d0 [ 91.627223][ T7636] ? capable+0x14/0x20 [ 91.631267][ T7636] do_mount+0x1270/0x1b60 [ 91.636045][ T7636] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.641577][ T7636] ? copy_mount_string+0x20/0x20 [ 91.646489][ T7636] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.652020][ T7636] ? __kasan_check_write+0x14/0x20 [ 91.657107][ T7636] ? _copy_from_user+0xd6/0x110 [ 91.662121][ T7636] ? __kasan_check_read+0x11/0x20 [ 91.667120][ T7636] ? copy_mount_options+0x77/0x2c0 [ 91.672207][ T7636] __x64_sys_mount+0x169/0x1c0 [ 91.676952][ T7636] do_syscall_64+0xd0/0x600 [ 91.681437][ T7636] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.687304][ T7636] RIP: 0033:0x458da9 [ 91.691174][ 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 [ 91.710762][ T7636] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 91.719158][ T7636] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 91.727124][ T7636] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 91.735103][ T7636] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 91.744017][ T7636] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 91.751971][ T7636] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 91.759972][ T7624] CPU: 0 PID: 7624 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 91.768551][ T7624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.768555][ T7624] Call Trace: [ 91.768566][ T7624] dump_stack+0x12d/0x187 [ 91.768576][ T7624] should_fail.cold.4+0x5/0x13 [ 91.768583][ T7624] ? fault_create_debugfs_attr+0x150/0x150 [ 91.768590][ T7624] ? ___might_sleep+0x16b/0x2b0 [ 91.768600][ T7624] __should_failslab+0xba/0xf0 [ 91.781907][ T7624] should_failslab+0x9/0x14 [ 91.796741][ T7624] __kmalloc+0x2eb/0x790 [ 91.796752][ T7624] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 91.796760][ T7624] p9_fcall_init.isra.2+0x55/0x1c0 [ 91.796768][ T7624] p9_client_prepare_req.part.5+0x116/0x670 [ 91.796777][ T7624] p9_client_rpc+0x174/0xe50 [ 91.806341][ T7624] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 91.806346][ T7624] ? p9_client_prepare_req.part.5+0x670/0x670 [ 91.806353][ T7624] ? add_wait_queue+0x107/0x160 [ 91.806366][ T7624] ? p9_pollwait+0x182/0x210 [ 91.820321][ T7624] ? pipe_poll+0x80/0x300 [ 91.820333][ T7624] ? p9_fd_poll+0x19b/0x2a0 [ 91.820340][ T7624] ? p9_conn_create+0x399/0x4e0 [ 91.820349][ T7624] ? p9_conn_create+0x4e0/0x4e0 [ 91.831395][ T7624] p9_client_create+0x7ec/0x10e0 [ 91.831407][ T7624] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 91.831414][ T7624] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.871829][ T7648] FAULT_INJECTION: forcing a failure. [ 91.871829][ T7648] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 91.875617][ T7624] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.911265][ T7624] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.917047][ T7624] ? __kmalloc_track_caller+0x60e/0x780 [ 91.922569][ T7624] ? __x64_sys_mount+0x169/0x1c0 [ 91.927486][ T7624] ? do_syscall_64+0xd0/0x600 [ 91.932140][ T7624] ? lockdep_init_map+0x1b6/0x6c0 [ 91.937141][ T7624] v9fs_session_init+0x1ed/0x14c0 [ 91.942135][ T7624] ? v9fs_session_init+0x1ed/0x14c0 [ 91.947324][ T7624] ? find_held_lock+0x36/0x1d0 [ 91.952065][ T7624] ? v9fs_show_options+0x6c0/0x6c0 [ 91.957150][ T7624] ? __kasan_check_read+0x11/0x20 [ 91.962156][ T7624] ? v9fs_mount+0x55/0x7f0 [ 91.966547][ T7624] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 91.972062][ T7624] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 91.978098][ T7624] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 91.983878][ T7624] ? kmem_cache_alloc_trace+0x39e/0x780 [ 91.989396][ T7624] ? apparmor_task_alloc+0x2f0/0x2f0 [ 91.994828][ T7624] v9fs_mount+0x72/0x7f0 [ 91.999047][ T7624] ? v9fs_write_inode+0x50/0x50 [ 92.003868][ T7624] legacy_get_tree+0x103/0x1f0 [ 92.008608][ T7624] vfs_get_tree+0x8b/0x2d0 [ 92.012995][ T7624] ? capable+0x14/0x20 [ 92.017039][ T7624] do_mount+0x1270/0x1b60 [ 92.021340][ T7624] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.026865][ T7624] ? copy_mount_string+0x20/0x20 [ 92.031775][ T7624] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.037291][ T7624] ? __kasan_check_write+0x14/0x20 [ 92.042373][ T7624] ? _copy_from_user+0xd6/0x110 [ 92.047195][ T7624] ? __kasan_check_read+0x11/0x20 [ 92.052198][ T7624] ? copy_mount_options+0x77/0x2c0 [ 92.057289][ T7624] __x64_sys_mount+0x169/0x1c0 [ 92.062027][ T7624] do_syscall_64+0xd0/0x600 [ 92.066506][ T7624] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.072368][ T7624] RIP: 0033:0x458da9 [ 92.076234][ T7624] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.095812][ T7624] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.104900][ T7624] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 92.113798][ T7624] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.121753][ T7624] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.129699][ T7624] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 92.137738][ T7624] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.145871][ T7648] CPU: 1 PID: 7648 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 92.154456][ T7648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.164597][ T7648] Call Trace: [ 92.167886][ T7648] dump_stack+0x12d/0x187 [ 92.172213][ T7648] should_fail.cold.4+0x5/0x13 [ 92.176964][ T7648] ? do_mount+0x1270/0x1b60 [ 92.181471][ T7648] ? fault_create_debugfs_attr+0x150/0x150 [ 92.187257][ T7648] ? find_held_lock+0x36/0x1d0 [ 92.191997][ T7648] should_fail_alloc_page+0x50/0x60 [ 92.197254][ T7648] __alloc_pages_nodemask+0x17f/0x890 [ 92.202600][ T7648] ? cache_grow_end+0xa8/0x190 [ 92.207339][ T7648] ? __alloc_pages_slowpath+0x2570/0x2570 [ 92.213036][ T7648] ? do_raw_spin_lock+0x132/0x2e0 [ 92.218042][ T7648] cache_grow_begin+0x92/0xca0 [ 92.222776][ T7648] ? __kmalloc+0xc5/0x790 [ 92.227079][ T7648] ? trace_hardirqs_off+0x41/0x1a0 [ 92.232164][ T7648] __kmalloc+0x6cd/0x790 [ 92.236384][ T7648] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 92.241643][ T7648] p9_fcall_init.isra.2+0x55/0x1c0 [ 92.246728][ T7648] p9_client_prepare_req.part.5+0x116/0x670 [ 92.252597][ T7648] p9_client_rpc+0x174/0xe50 [ 92.257165][ T7648] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 92.262949][ T7648] ? p9_client_prepare_req.part.5+0x670/0x670 [ 92.268995][ T7648] ? add_wait_queue+0x107/0x160 [ 92.273826][ T7648] ? p9_pollwait+0x182/0x210 [ 92.278405][ T7648] ? pipe_poll+0x80/0x300 [ 92.282715][ T7648] ? p9_fd_poll+0x19b/0x2a0 [ 92.287209][ T7648] ? p9_conn_create+0x399/0x4e0 [ 92.292054][ T7648] ? p9_conn_create+0x4e0/0x4e0 [ 92.296897][ T7648] p9_client_create+0x7ec/0x10e0 [ 92.301817][ T7648] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 92.307865][ T7648] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.313396][ T7648] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.319448][ T7648] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.325237][ T7648] ? __kmalloc_track_caller+0x60e/0x780 [ 92.330766][ T7648] ? __x64_sys_mount+0x169/0x1c0 [ 92.338973][ T7648] ? do_syscall_64+0xd0/0x600 [ 92.343647][ T7648] ? lockdep_init_map+0x1b6/0x6c0 [ 92.344520][ T7649] FAULT_INJECTION: forcing a failure. [ 92.344520][ T7649] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 92.348659][ T7648] v9fs_session_init+0x1ed/0x14c0 [ 92.366835][ T7648] ? v9fs_session_init+0x1ed/0x14c0 [ 92.372014][ T7648] ? find_held_lock+0x36/0x1d0 [ 92.376759][ T7648] ? v9fs_show_options+0x6c0/0x6c0 [ 92.381846][ T7648] ? __kasan_check_read+0x11/0x20 [ 92.386848][ T7648] ? v9fs_mount+0x55/0x7f0 [ 92.391236][ T7648] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.396763][ T7648] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.403410][ T7648] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.409191][ T7648] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.414729][ T7648] ? apparmor_task_alloc+0x2f0/0x2f0 [ 92.420002][ T7648] v9fs_mount+0x72/0x7f0 [ 92.424219][ T7648] ? v9fs_write_inode+0x50/0x50 [ 92.429057][ T7648] legacy_get_tree+0x103/0x1f0 [ 92.433810][ T7648] vfs_get_tree+0x8b/0x2d0 [ 92.438221][ T7648] ? capable+0x14/0x20 [ 92.442265][ T7648] do_mount+0x1270/0x1b60 [ 92.446569][ T7648] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.452088][ T7648] ? copy_mount_string+0x20/0x20 [ 92.457009][ T7648] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.462539][ T7648] ? __kasan_check_write+0x14/0x20 [ 92.467711][ T7648] ? _copy_from_user+0xd6/0x110 [ 92.472538][ T7648] ? __kasan_check_read+0x11/0x20 [ 92.477543][ T7648] ? copy_mount_options+0x77/0x2c0 [ 92.482648][ T7648] __x64_sys_mount+0x169/0x1c0 [ 92.487394][ T7648] do_syscall_64+0xd0/0x600 [ 92.491884][ T7648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.497766][ T7648] RIP: 0033:0x458da9 [ 92.501651][ 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 [ 92.521239][ T7648] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.529625][ T7648] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 92.538036][ T7648] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.545979][ T7648] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.553924][ T7648] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 92.561955][ T7648] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 92.569917][ T7649] CPU: 0 PID: 7649 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 92.578498][ T7649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 92.588548][ T7649] Call Trace: [ 92.591840][ T7649] dump_stack+0x12d/0x187 [ 92.596165][ T7649] should_fail.cold.4+0x5/0x13 [ 92.600906][ T7649] ? do_mount+0x1270/0x1b60 [ 92.605383][ T7649] ? fault_create_debugfs_attr+0x150/0x150 [ 92.611166][ T7649] ? find_held_lock+0x36/0x1d0 [ 92.615905][ T7649] should_fail_alloc_page+0x50/0x60 [ 92.621073][ T7649] __alloc_pages_nodemask+0x17f/0x890 [ 92.626415][ T7649] ? cache_grow_end+0xa8/0x190 [ 92.631158][ T7649] ? __alloc_pages_slowpath+0x2570/0x2570 [ 92.636853][ T7649] ? do_raw_spin_lock+0x132/0x2e0 [ 92.641856][ T7649] cache_grow_begin+0x92/0xca0 [ 92.646587][ T7649] ? __kmalloc+0xc5/0x790 [ 92.650910][ T7649] ? trace_hardirqs_off+0x41/0x1a0 [ 92.655993][ T7649] __kmalloc+0x6cd/0x790 [ 92.660205][ T7649] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 92.665461][ T7649] p9_fcall_init.isra.2+0x55/0x1c0 [ 92.670541][ T7649] p9_client_prepare_req.part.5+0x116/0x670 [ 92.676407][ T7649] p9_client_rpc+0x174/0xe50 [ 92.680970][ T7649] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 92.686747][ T7649] ? p9_client_prepare_req.part.5+0x670/0x670 [ 92.692782][ T7649] ? add_wait_queue+0x107/0x160 [ 92.697607][ T7649] ? p9_pollwait+0x182/0x210 [ 92.702179][ T7649] ? pipe_poll+0x80/0x300 [ 92.706482][ T7649] ? p9_fd_poll+0x19b/0x2a0 [ 92.710955][ T7649] ? p9_conn_create+0x399/0x4e0 [ 92.715778][ T7649] ? p9_conn_create+0x4e0/0x4e0 [ 92.720600][ T7649] ? p9_conn_create+0x4e0/0x4e0 [ 92.725423][ T7649] p9_client_create+0x7ec/0x10e0 [ 92.730333][ T7649] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 92.736375][ T7649] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.741892][ T7649] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.747927][ T7649] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.753705][ T7649] ? __kmalloc_track_caller+0x60e/0x780 [ 92.759220][ T7649] ? __x64_sys_mount+0x169/0x1c0 [ 92.764126][ T7649] ? do_syscall_64+0xd0/0x600 [ 92.768774][ T7649] ? lockdep_init_map+0x1b6/0x6c0 [ 92.773775][ T7649] v9fs_session_init+0x1ed/0x14c0 [ 92.778783][ T7649] ? v9fs_session_init+0x1ed/0x14c0 [ 92.783956][ T7649] ? find_held_lock+0x36/0x1d0 [ 92.788711][ T7649] ? v9fs_show_options+0x6c0/0x6c0 [ 92.793825][ T7649] ? __kasan_check_read+0x11/0x20 [ 92.798830][ T7649] ? v9fs_mount+0x55/0x7f0 [ 92.803224][ T7649] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.808745][ T7649] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 92.814788][ T7649] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 92.820574][ T7649] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.826097][ T7649] ? apparmor_task_alloc+0x2f0/0x2f0 [ 92.831355][ T7649] v9fs_mount+0x72/0x7f0 [ 92.835571][ T7649] ? v9fs_write_inode+0x50/0x50 [ 92.840392][ T7649] legacy_get_tree+0x103/0x1f0 [ 92.845127][ T7649] vfs_get_tree+0x8b/0x2d0 [ 92.849513][ T7649] ? capable+0x14/0x20 [ 92.853555][ T7649] do_mount+0x1270/0x1b60 [ 92.857866][ T7649] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 92.863992][ T7649] ? copy_mount_string+0x20/0x20 [ 92.868903][ T7649] ? kmem_cache_alloc_trace+0x39e/0x780 [ 92.874520][ T7649] ? __kasan_check_write+0x14/0x20 [ 92.879601][ T7649] ? _copy_from_user+0xd6/0x110 [ 92.884421][ T7649] ? __kasan_check_read+0x11/0x20 [ 92.889417][ T7649] ? copy_mount_options+0x77/0x2c0 [ 92.894760][ T7649] __x64_sys_mount+0x169/0x1c0 [ 92.899496][ T7649] do_syscall_64+0xd0/0x600 [ 92.903973][ T7649] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.910528][ T7649] RIP: 0033:0x458da9 [ 92.914395][ T7649] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 92.933970][ T7649] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 92.942352][ T7649] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 92.950297][ T7649] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 92.958257][ T7649] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 92.967163][ T7649] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 92.975116][ T7649] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 93.006130][ T7660] FAULT_INJECTION: forcing a failure. [ 93.006130][ T7660] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.012145][ T7662] FAULT_INJECTION: forcing a failure. [ 93.012145][ T7662] name failslab, interval 1, probability 0, space 0, times 0 [ 93.021076][ T7660] CPU: 1 PID: 7660 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 93.021081][ T7660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.021084][ T7660] Call Trace: [ 93.021096][ T7660] dump_stack+0x12d/0x187 [ 93.021106][ T7660] should_fail.cold.4+0x5/0x13 [ 93.021113][ T7660] ? do_mount+0x1270/0x1b60 [ 93.021120][ T7660] ? fault_create_debugfs_attr+0x150/0x150 [ 93.021130][ T7660] ? find_held_lock+0x36/0x1d0 [ 93.021139][ T7660] should_fail_alloc_page+0x50/0x60 [ 93.021144][ T7660] __alloc_pages_nodemask+0x17f/0x890 [ 93.021151][ T7660] ? cache_grow_end+0xa8/0x190 [ 93.021158][ T7660] ? __alloc_pages_slowpath+0x2570/0x2570 [ 93.021164][ T7660] ? do_raw_spin_lock+0x132/0x2e0 [ 93.021178][ T7660] cache_grow_begin+0x92/0xca0 [ 93.021182][ T7660] ? __kmalloc+0xc5/0x790 [ 93.021190][ T7660] ? trace_hardirqs_off+0x41/0x1a0 [ 93.021198][ T7660] __kmalloc+0x6cd/0x790 [ 93.021208][ T7660] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 93.021216][ T7660] p9_fcall_init.isra.2+0x55/0x1c0 [ 93.021224][ T7660] p9_client_prepare_req.part.5+0x116/0x670 [ 93.021234][ T7660] p9_client_rpc+0x174/0xe50 [ 93.021244][ T7660] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 93.021249][ T7660] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.021256][ T7660] ? add_wait_queue+0x107/0x160 [ 93.021267][ T7660] ? p9_pollwait+0x182/0x210 [ 93.166142][ T7660] ? pipe_poll+0x80/0x300 [ 93.170461][ T7660] ? p9_fd_poll+0x19b/0x2a0 [ 93.174945][ T7660] ? p9_conn_create+0x399/0x4e0 [ 93.179772][ T7660] ? p9_conn_create+0x4e0/0x4e0 [ 93.184611][ T7660] p9_client_create+0x7ec/0x10e0 [ 93.189533][ T7660] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.196533][ T7660] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.202050][ T7660] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.208089][ T7660] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.213877][ T7660] ? __kmalloc_track_caller+0x60e/0x780 [ 93.219400][ T7660] ? __x64_sys_mount+0x169/0x1c0 [ 93.225267][ T7660] ? do_syscall_64+0xd0/0x600 [ 93.229929][ T7660] ? lockdep_init_map+0x1b6/0x6c0 [ 93.234932][ T7660] v9fs_session_init+0x1ed/0x14c0 [ 93.239943][ T7660] ? v9fs_session_init+0x1ed/0x14c0 [ 93.245125][ T7660] ? find_held_lock+0x36/0x1d0 [ 93.249873][ T7660] ? v9fs_show_options+0x6c0/0x6c0 [ 93.254960][ T7660] ? __kasan_check_read+0x11/0x20 [ 93.260081][ T7660] ? v9fs_mount+0x55/0x7f0 [ 93.264479][ T7660] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.270011][ T7660] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.276055][ T7660] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.281841][ T7660] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.287367][ T7660] ? apparmor_task_alloc+0x2f0/0x2f0 [ 93.292631][ T7660] v9fs_mount+0x72/0x7f0 [ 93.296850][ T7660] ? v9fs_write_inode+0x50/0x50 [ 93.301679][ T7660] legacy_get_tree+0x103/0x1f0 [ 93.306418][ T7660] vfs_get_tree+0x8b/0x2d0 [ 93.310806][ T7660] ? capable+0x14/0x20 [ 93.314857][ T7660] do_mount+0x1270/0x1b60 [ 93.319163][ T7660] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.324691][ T7660] ? copy_mount_string+0x20/0x20 [ 93.329730][ T7660] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.335361][ T7660] ? __kasan_check_write+0x14/0x20 [ 93.340466][ T7660] ? _copy_from_user+0xd6/0x110 [ 93.345304][ T7660] ? __kasan_check_read+0x11/0x20 [ 93.350828][ T7660] ? copy_mount_options+0x77/0x2c0 [ 93.356029][ T7660] __x64_sys_mount+0x169/0x1c0 [ 93.360782][ T7660] do_syscall_64+0xd0/0x600 [ 93.365275][ T7660] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.374357][ T7660] RIP: 0033:0x458da9 [ 93.378260][ T7660] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.397849][ T7660] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.406241][ T7660] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 93.414201][ T7660] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 93.422151][ T7660] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 93.430096][ T7660] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 93.438053][ T7660] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 93.446674][ T7662] CPU: 0 PID: 7662 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 93.455263][ T7662] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.465306][ T7662] Call Trace: [ 93.465319][ T7662] dump_stack+0x12d/0x187 [ 93.465329][ T7662] should_fail.cold.4+0x5/0x13 [ 93.465337][ T7662] ? fault_create_debugfs_attr+0x150/0x150 [ 93.465346][ T7662] ? ___might_sleep+0x16b/0x2b0 [ 93.480042][ T7668] FAULT_INJECTION: forcing a failure. [ 93.480042][ T7668] name failslab, interval 1, probability 0, space 0, times 0 [ 93.484527][ T7662] __should_failslab+0xba/0xf0 [ 93.484537][ T7662] should_failslab+0x9/0x14 [ 93.484544][ T7662] __kmalloc+0x2eb/0x790 [ 93.484555][ T7662] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 93.484563][ T7662] p9_fcall_init.isra.2+0x55/0x1c0 [ 93.484572][ T7662] p9_client_prepare_req.part.5+0x116/0x670 [ 93.484581][ T7662] p9_client_rpc+0x174/0xe50 [ 93.484590][ T7662] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 93.484595][ T7662] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.484602][ T7662] ? add_wait_queue+0x107/0x160 [ 93.484609][ T7662] ? p9_pollwait+0x182/0x210 [ 93.484617][ T7662] ? pipe_poll+0x80/0x300 [ 93.502024][ T7662] ? p9_fd_poll+0x19b/0x2a0 [ 93.502032][ T7662] ? p9_conn_create+0x399/0x4e0 [ 93.502040][ T7662] ? p9_conn_create+0x4e0/0x4e0 [ 93.502053][ T7662] p9_client_create+0x7ec/0x10e0 [ 93.502066][ T7662] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 93.502072][ T7662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.502077][ T7662] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.502083][ T7662] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.502094][ T7662] ? __kmalloc_track_caller+0x60e/0x780 [ 93.502101][ T7662] ? __x64_sys_mount+0x169/0x1c0 [ 93.502108][ T7662] ? do_syscall_64+0xd0/0x600 [ 93.502112][ T7662] ? lockdep_init_map+0x1b6/0x6c0 [ 93.502125][ T7662] v9fs_session_init+0x1ed/0x14c0 [ 93.502131][ T7662] ? v9fs_session_init+0x1ed/0x14c0 [ 93.510226][ T7669] FAULT_INJECTION: forcing a failure. [ 93.510226][ T7669] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.511725][ T7662] ? find_held_lock+0x36/0x1d0 [ 93.654093][ T7662] ? v9fs_show_options+0x6c0/0x6c0 [ 93.659198][ T7662] ? __kasan_check_read+0x11/0x20 [ 93.664199][ T7662] ? v9fs_mount+0x55/0x7f0 [ 93.668590][ T7662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.674132][ T7662] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 93.680355][ T7662] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 93.686316][ T7662] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.691835][ T7662] ? apparmor_task_alloc+0x2f0/0x2f0 [ 93.697897][ T7662] v9fs_mount+0x72/0x7f0 [ 93.702119][ T7662] ? v9fs_write_inode+0x50/0x50 [ 93.707301][ T7662] legacy_get_tree+0x103/0x1f0 [ 93.712039][ T7662] vfs_get_tree+0x8b/0x2d0 [ 93.716430][ T7662] ? capable+0x14/0x20 [ 93.720474][ T7662] do_mount+0x1270/0x1b60 [ 93.724776][ T7662] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 93.730295][ T7662] ? copy_mount_string+0x20/0x20 [ 93.735210][ T7662] ? kmem_cache_alloc_trace+0x39e/0x780 [ 93.741611][ T7662] ? __kasan_check_write+0x14/0x20 [ 93.746696][ T7662] ? __kasan_check_read+0x11/0x20 [ 93.751693][ T7662] ? copy_mount_options+0x77/0x2c0 [ 93.756787][ T7662] __x64_sys_mount+0x169/0x1c0 [ 93.762221][ T7662] do_syscall_64+0xd0/0x600 [ 93.766714][ T7662] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 93.772590][ T7662] RIP: 0033:0x458da9 [ 93.776471][ T7662] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 93.796161][ T7662] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 93.804651][ T7662] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 93.812609][ T7662] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 93.820554][ T7662] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 93.828499][ T7662] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 93.836458][ T7662] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 93.844421][ T7669] CPU: 1 PID: 7669 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 93.851387][ T7670] FAULT_INJECTION: forcing a failure. [ 93.851387][ T7670] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 93.853000][ T7669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.853007][ T7669] Call Trace: [ 93.879629][ T7669] dump_stack+0x12d/0x187 [ 93.883960][ T7669] should_fail.cold.4+0x5/0x13 [ 93.888697][ T7669] ? do_mount+0x1270/0x1b60 [ 93.893202][ T7669] ? fault_create_debugfs_attr+0x150/0x150 [ 93.899003][ T7669] ? find_held_lock+0x36/0x1d0 [ 93.903842][ T7669] should_fail_alloc_page+0x50/0x60 [ 93.909120][ T7669] __alloc_pages_nodemask+0x17f/0x890 [ 93.914500][ T7669] ? cache_grow_end+0xa8/0x190 [ 93.919251][ T7669] ? __alloc_pages_slowpath+0x2570/0x2570 [ 93.924954][ T7669] ? do_raw_spin_lock+0x132/0x2e0 [ 93.929972][ T7669] cache_grow_begin+0x92/0xca0 [ 93.935275][ T7669] ? __kmalloc+0xc5/0x790 [ 93.939603][ T7669] ? trace_hardirqs_off+0x41/0x1a0 [ 93.944761][ T7669] __kmalloc+0x6cd/0x790 [ 93.948987][ T7669] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 93.954267][ T7669] p9_fcall_init.isra.2+0x55/0x1c0 [ 93.959359][ T7669] p9_client_prepare_req.part.5+0x116/0x670 [ 93.965259][ T7669] p9_client_rpc+0x174/0xe50 [ 93.969855][ T7669] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 93.975647][ T7669] ? p9_client_prepare_req.part.5+0x670/0x670 [ 93.981966][ T7669] ? add_wait_queue+0x107/0x160 [ 93.986810][ T7669] ? p9_pollwait+0x182/0x210 [ 93.991387][ T7669] ? pipe_poll+0x80/0x300 [ 93.995720][ T7669] ? p9_fd_poll+0x19b/0x2a0 [ 94.000309][ T7669] ? p9_conn_create+0x399/0x4e0 [ 94.005142][ T7669] ? p9_conn_create+0x4e0/0x4e0 [ 94.009973][ T7669] p9_client_create+0x7ec/0x10e0 [ 94.014916][ T7669] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.021057][ T7669] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.026599][ T7669] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.032653][ T7669] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.038452][ T7669] ? __kmalloc_track_caller+0x60e/0x780 [ 94.043984][ T7669] ? __x64_sys_mount+0x169/0x1c0 [ 94.048898][ T7669] ? do_syscall_64+0xd0/0x600 [ 94.053993][ T7669] ? lockdep_init_map+0x1b6/0x6c0 [ 94.059012][ T7669] v9fs_session_init+0x1ed/0x14c0 [ 94.064032][ T7669] ? v9fs_session_init+0x1ed/0x14c0 [ 94.069213][ T7669] ? find_held_lock+0x36/0x1d0 [ 94.073990][ T7669] ? v9fs_show_options+0x6c0/0x6c0 [ 94.079089][ T7669] ? __kasan_check_read+0x11/0x20 [ 94.084100][ T7669] ? v9fs_mount+0x55/0x7f0 [ 94.088494][ T7669] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.094027][ T7669] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.100449][ T7669] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.106324][ T7669] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.111851][ T7669] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.117116][ T7669] v9fs_mount+0x72/0x7f0 [ 94.121351][ T7669] ? v9fs_write_inode+0x50/0x50 [ 94.126191][ T7669] legacy_get_tree+0x103/0x1f0 [ 94.130943][ T7669] vfs_get_tree+0x8b/0x2d0 [ 94.135345][ T7669] ? capable+0x14/0x20 [ 94.139391][ T7669] do_mount+0x1270/0x1b60 [ 94.143693][ T7669] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.149211][ T7669] ? copy_mount_string+0x20/0x20 [ 94.154138][ T7669] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.159661][ T7669] ? __kasan_check_write+0x14/0x20 [ 94.164758][ T7669] ? _copy_from_user+0xd6/0x110 [ 94.169584][ T7669] ? __kasan_check_read+0x11/0x20 [ 94.174581][ T7669] ? copy_mount_options+0x77/0x2c0 [ 94.179678][ T7669] __x64_sys_mount+0x169/0x1c0 [ 94.184432][ T7669] do_syscall_64+0xd0/0x600 [ 94.188910][ T7669] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.194973][ T7669] RIP: 0033:0x458da9 [ 94.199041][ T7669] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.218622][ T7669] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.227005][ T7669] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 94.234951][ T7669] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.242909][ T7669] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.250869][ T7669] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 94.258813][ T7669] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.266793][ T7670] CPU: 0 PID: 7670 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 94.275459][ T7670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.290794][ T7670] Call Trace: [ 94.294069][ T7670] dump_stack+0x12d/0x187 [ 94.298391][ T7670] should_fail.cold.4+0x5/0x13 [ 94.303139][ T7670] ? do_mount+0x1270/0x1b60 [ 94.312230][ T7670] ? fault_create_debugfs_attr+0x150/0x150 [ 94.312242][ T7670] ? find_held_lock+0x36/0x1d0 [ 94.312252][ T7670] should_fail_alloc_page+0x50/0x60 [ 94.327975][ T7670] __alloc_pages_nodemask+0x17f/0x890 [ 94.333335][ T7670] ? cache_grow_end+0xa8/0x190 [ 94.338571][ T7670] ? __alloc_pages_slowpath+0x2570/0x2570 [ 94.344287][ T7670] ? do_raw_spin_lock+0x132/0x2e0 [ 94.349673][ T7670] cache_grow_begin+0x92/0xca0 [ 94.354416][ T7670] ? __kmalloc+0xc5/0x790 [ 94.358984][ T7670] ? trace_hardirqs_off+0x41/0x1a0 [ 94.358993][ T7670] __kmalloc+0x6cd/0x790 [ 94.359002][ T7670] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 94.359010][ T7670] p9_fcall_init.isra.2+0x55/0x1c0 [ 94.380976][ T7670] p9_client_prepare_req.part.5+0x116/0x670 [ 94.386856][ T7670] p9_client_rpc+0x174/0xe50 [ 94.391438][ T7670] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 94.397320][ T7670] ? p9_client_prepare_req.part.5+0x670/0x670 [ 94.403368][ T7670] ? add_wait_queue+0x107/0x160 [ 94.409530][ T7670] ? p9_pollwait+0x182/0x210 [ 94.414114][ T7670] ? pipe_poll+0x80/0x300 [ 94.418519][ T7670] ? p9_fd_poll+0x19b/0x2a0 [ 94.423000][ T7670] ? p9_conn_create+0x399/0x4e0 [ 94.427847][ T7670] ? p9_conn_create+0x4e0/0x4e0 [ 94.432701][ T7670] p9_client_create+0x7ec/0x10e0 [ 94.438674][ T7670] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.444826][ T7670] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.450350][ T7670] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.456405][ T7670] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.462201][ T7670] ? __kmalloc_track_caller+0x60e/0x780 [ 94.467723][ T7670] ? __x64_sys_mount+0x169/0x1c0 [ 94.472649][ T7670] ? do_syscall_64+0xd0/0x600 [ 94.477676][ T7670] ? lockdep_init_map+0x1b6/0x6c0 [ 94.482686][ T7670] v9fs_session_init+0x1ed/0x14c0 [ 94.487686][ T7670] ? v9fs_session_init+0x1ed/0x14c0 [ 94.492875][ T7670] ? find_held_lock+0x36/0x1d0 [ 94.497619][ T7670] ? v9fs_show_options+0x6c0/0x6c0 [ 94.502719][ T7670] ? __kasan_check_read+0x11/0x20 [ 94.507719][ T7670] ? v9fs_mount+0x55/0x7f0 [ 94.512115][ T7670] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.517642][ T7670] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.523683][ T7670] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.529466][ T7670] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.535001][ T7670] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.540266][ T7670] v9fs_mount+0x72/0x7f0 [ 94.544533][ T7670] ? v9fs_write_inode+0x50/0x50 [ 94.549372][ T7670] legacy_get_tree+0x103/0x1f0 [ 94.554127][ T7670] vfs_get_tree+0x8b/0x2d0 [ 94.558554][ T7670] ? capable+0x14/0x20 [ 94.562618][ T7670] do_mount+0x1270/0x1b60 [ 94.566928][ T7670] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.572475][ T7670] ? copy_mount_string+0x20/0x20 [ 94.577399][ T7670] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.582937][ T7670] ? __kasan_check_write+0x14/0x20 [ 94.588024][ T7670] ? _copy_from_user+0xd6/0x110 [ 94.593146][ T7670] ? __kasan_check_read+0x11/0x20 [ 94.598146][ T7670] ? copy_mount_options+0x77/0x2c0 [ 94.603246][ T7670] __x64_sys_mount+0x169/0x1c0 [ 94.608083][ T7670] do_syscall_64+0xd0/0x600 [ 94.612568][ T7670] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.618434][ T7670] RIP: 0033:0x458da9 [ 94.622308][ T7670] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.641912][ T7670] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 94.650336][ T7670] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 94.658297][ T7670] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 94.666423][ T7670] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 94.674406][ T7670] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 94.682358][ T7670] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 94.690337][ T7668] CPU: 1 PID: 7668 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 94.698921][ T7668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.708994][ T7668] Call Trace: [ 94.712281][ T7668] dump_stack+0x12d/0x187 [ 94.716992][ T7668] should_fail.cold.4+0x5/0x13 [ 94.721760][ T7668] ? fault_create_debugfs_attr+0x150/0x150 [ 94.727569][ T7668] ? ___might_sleep+0x16b/0x2b0 [ 94.728587][ T7677] FAULT_INJECTION: forcing a failure. [ 94.728587][ T7677] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 94.732412][ T7668] __should_failslab+0xba/0xf0 [ 94.751038][ T7668] should_failslab+0x9/0x14 [ 94.755514][ T7668] __kmalloc+0x2eb/0x790 [ 94.759733][ T7668] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 94.764991][ T7668] p9_fcall_init.isra.2+0x55/0x1c0 [ 94.770075][ T7668] p9_client_prepare_req.part.5+0x116/0x670 [ 94.775989][ T7668] p9_client_rpc+0x174/0xe50 [ 94.780642][ T7668] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 94.786420][ T7668] ? p9_client_prepare_req.part.5+0x670/0x670 [ 94.792460][ T7668] ? add_wait_queue+0x107/0x160 [ 94.797286][ T7668] ? p9_pollwait+0x182/0x210 [ 94.801852][ T7668] ? pipe_poll+0x80/0x300 [ 94.806154][ T7668] ? p9_fd_poll+0x19b/0x2a0 [ 94.810641][ T7668] ? p9_conn_create+0x399/0x4e0 [ 94.815468][ T7668] ? p9_conn_create+0x4e0/0x4e0 [ 94.820297][ T7668] p9_client_create+0x7ec/0x10e0 [ 94.825212][ T7668] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 94.831251][ T7668] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.836786][ T7668] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.842826][ T7668] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.848609][ T7668] ? __kmalloc_track_caller+0x60e/0x780 [ 94.854128][ T7668] ? __x64_sys_mount+0x169/0x1c0 [ 94.859038][ T7668] ? do_syscall_64+0xd0/0x600 [ 94.864391][ T7668] ? lockdep_init_map+0x1b6/0x6c0 [ 94.869480][ T7668] v9fs_session_init+0x1ed/0x14c0 [ 94.874489][ T7668] ? v9fs_session_init+0x1ed/0x14c0 [ 94.884541][ T7668] ? find_held_lock+0x36/0x1d0 [ 94.889287][ T7668] ? v9fs_show_options+0x6c0/0x6c0 [ 94.897861][ T7668] ? __kasan_check_read+0x11/0x20 [ 94.902860][ T7668] ? v9fs_mount+0x55/0x7f0 [ 94.907259][ T7668] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 94.912778][ T7668] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 94.923605][ T7668] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 94.929409][ T7668] ? kmem_cache_alloc_trace+0x39e/0x780 [ 94.934969][ T7668] ? apparmor_task_alloc+0x2f0/0x2f0 [ 94.940246][ T7668] v9fs_mount+0x72/0x7f0 [ 94.944666][ T7668] ? v9fs_write_inode+0x50/0x50 [ 94.949508][ T7668] legacy_get_tree+0x103/0x1f0 [ 94.954254][ T7668] vfs_get_tree+0x8b/0x2d0 [ 94.958646][ T7668] ? capable+0x14/0x20 [ 94.962713][ T7668] do_mount+0x1270/0x1b60 [ 94.967019][ T7668] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 94.973448][ T7668] ? copy_mount_string+0x20/0x20 [ 94.979403][ T7668] ? retint_kernel+0x2b/0x2b [ 94.983972][ T7668] ? copy_mount_options+0x1a8/0x2c0 [ 94.989157][ T7668] __x64_sys_mount+0x169/0x1c0 [ 94.993898][ T7668] do_syscall_64+0xd0/0x600 [ 94.998376][ T7668] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.004240][ T7668] RIP: 0033:0x458da9 [ 95.008109][ T7668] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.027687][ T7668] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.036089][ T7668] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 95.044056][ T7668] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 95.052003][ T7668] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 95.060047][ T7668] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 95.068006][ T7668] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 95.076513][ T7677] CPU: 0 PID: 7677 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 95.085086][ T7677] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.085090][ T7677] Call Trace: [ 95.085101][ T7677] dump_stack+0x12d/0x187 [ 95.085111][ T7677] should_fail.cold.4+0x5/0x13 [ 95.085117][ T7677] ? do_mount+0x1270/0x1b60 [ 95.085124][ T7677] ? fault_create_debugfs_attr+0x150/0x150 [ 95.085134][ T7677] ? find_held_lock+0x36/0x1d0 [ 95.085147][ T7677] should_fail_alloc_page+0x50/0x60 [ 95.085154][ T7677] __alloc_pages_nodemask+0x17f/0x890 [ 95.125226][ T7677] ? cache_grow_end+0xa8/0x190 [ 95.135788][ T7677] ? __alloc_pages_slowpath+0x2570/0x2570 [ 95.135795][ T7677] ? do_raw_spin_lock+0x132/0x2e0 [ 95.135809][ T7677] cache_grow_begin+0x92/0xca0 [ 95.135813][ T7677] ? __kmalloc+0xc5/0x790 [ 95.135821][ T7677] ? trace_hardirqs_off+0x41/0x1a0 [ 95.156069][ T7677] __kmalloc+0x6cd/0x790 [ 95.169693][ T7677] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 95.182355][ T7677] p9_fcall_init.isra.2+0x55/0x1c0 [ 95.187458][ T7677] p9_client_prepare_req.part.5+0x116/0x670 [ 95.187468][ T7677] p9_client_rpc+0x174/0xe50 [ 95.187477][ T7677] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 95.187482][ T7677] ? p9_client_prepare_req.part.5+0x670/0x670 [ 95.187489][ T7677] ? add_wait_queue+0x107/0x160 [ 95.187499][ T7677] ? p9_pollwait+0x182/0x210 [ 95.219548][ T7677] ? pipe_poll+0x80/0x300 [ 95.223876][ T7677] ? p9_fd_poll+0x19b/0x2a0 [ 95.228389][ T7677] ? p9_conn_create+0x399/0x4e0 [ 95.233216][ T7677] ? p9_conn_create+0x4e0/0x4e0 [ 95.238059][ T7677] p9_client_create+0x7ec/0x10e0 [ 95.243000][ T7677] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 95.249058][ T7677] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.254579][ T7677] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.260616][ T7677] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.266399][ T7677] ? __kmalloc_track_caller+0x60e/0x780 [ 95.271933][ T7677] ? __x64_sys_mount+0x169/0x1c0 [ 95.276858][ T7677] ? do_syscall_64+0xd0/0x600 [ 95.281516][ T7677] ? lockdep_init_map+0x1b6/0x6c0 [ 95.286533][ T7677] v9fs_session_init+0x1ed/0x14c0 [ 95.291546][ T7677] ? v9fs_session_init+0x1ed/0x14c0 [ 95.296721][ T7677] ? find_held_lock+0x36/0x1d0 [ 95.301501][ T7677] ? v9fs_show_options+0x6c0/0x6c0 [ 95.306602][ T7677] ? __kasan_check_read+0x11/0x20 [ 95.311612][ T7677] ? v9fs_mount+0x55/0x7f0 [ 95.316031][ T7677] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.321645][ T7677] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.327714][ T7677] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.333503][ T7677] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.339047][ T7677] ? apparmor_task_alloc+0x2f0/0x2f0 [ 95.344307][ T7677] v9fs_mount+0x72/0x7f0 [ 95.348615][ T7677] ? v9fs_write_inode+0x50/0x50 [ 95.353453][ T7677] legacy_get_tree+0x103/0x1f0 [ 95.358196][ T7677] vfs_get_tree+0x8b/0x2d0 [ 95.362680][ T7677] ? capable+0x14/0x20 [ 95.366739][ T7677] do_mount+0x1270/0x1b60 [ 95.371044][ T7677] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 95.376477][ T7677] ? copy_mount_string+0x20/0x20 [ 95.381387][ T7677] ? retint_kernel+0x2b/0x2b [ 95.385957][ T7677] ? copy_mount_options+0x1b3/0x2c0 [ 95.391564][ T7677] __x64_sys_mount+0x169/0x1c0 [ 95.396672][ T7677] do_syscall_64+0xd0/0x600 [ 95.401153][ T7677] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.407034][ T7677] RIP: 0033:0x458da9 [ 95.410927][ T7677] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.430634][ T7677] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.439031][ T7677] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 95.446978][ T7677] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 95.455011][ T7677] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 95.462958][ T7677] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 95.470904][ T7677] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 95.479492][ T7642] CPU: 1 PID: 7642 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 95.488078][ T7642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.498132][ T7642] Call Trace: [ 95.501422][ T7642] dump_stack+0x12d/0x187 [ 95.505760][ T7642] should_fail.cold.4+0x5/0x13 [ 95.508721][ T7682] FAULT_INJECTION: forcing a failure. [ 95.508721][ T7682] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 95.510518][ T7642] ? fault_create_debugfs_attr+0x150/0x150 [ 95.529591][ T7642] ? ___might_sleep+0x16b/0x2b0 [ 95.534452][ T7642] __should_failslab+0xba/0xf0 [ 95.539189][ T7642] should_failslab+0x9/0x14 [ 95.543666][ T7642] __kmalloc+0x2eb/0x790 [ 95.547883][ T7642] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 95.553144][ T7642] p9_fcall_init.isra.2+0x55/0x1c0 [ 95.558229][ T7642] p9_client_prepare_req.part.5+0x116/0x670 [ 95.564096][ T7642] p9_client_rpc+0x174/0xe50 [ 95.568672][ T7642] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 95.574457][ T7642] ? p9_client_prepare_req.part.5+0x670/0x670 [ 95.580494][ T7642] ? add_wait_queue+0x107/0x160 [ 95.585319][ T7642] ? p9_pollwait+0x182/0x210 [ 95.589899][ T7642] ? pipe_poll+0x80/0x300 [ 95.594819][ T7642] ? p9_fd_poll+0x19b/0x2a0 [ 95.599301][ T7642] ? p9_conn_create+0x399/0x4e0 [ 95.604131][ T7642] ? p9_conn_create+0x4e0/0x4e0 [ 95.608965][ T7642] p9_client_create+0x7ec/0x10e0 [ 95.613884][ T7642] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 95.619942][ T7642] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.629468][ T7642] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.635613][ T7642] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.641437][ T7642] ? __kmalloc_track_caller+0x60e/0x780 [ 95.646963][ T7642] ? __x64_sys_mount+0x169/0x1c0 [ 95.651875][ T7642] ? do_syscall_64+0xd0/0x600 [ 95.656526][ T7642] ? lockdep_init_map+0x1b6/0x6c0 [ 95.661531][ T7642] v9fs_session_init+0x1ed/0x14c0 [ 95.666532][ T7642] ? v9fs_session_init+0x1ed/0x14c0 [ 95.671704][ T7642] ? find_held_lock+0x36/0x1d0 [ 95.676462][ T7642] ? v9fs_show_options+0x6c0/0x6c0 [ 95.681544][ T7642] ? __kasan_check_read+0x11/0x20 [ 95.686541][ T7642] ? v9fs_mount+0x55/0x7f0 [ 95.690943][ T7642] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.696460][ T7642] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 95.702511][ T7642] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 95.708294][ T7642] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.713815][ T7642] ? apparmor_task_alloc+0x2f0/0x2f0 [ 95.719108][ T7642] v9fs_mount+0x72/0x7f0 [ 95.723333][ T7642] ? v9fs_write_inode+0x50/0x50 [ 95.728954][ T7642] legacy_get_tree+0x103/0x1f0 [ 95.733726][ T7642] vfs_get_tree+0x8b/0x2d0 [ 95.738210][ T7642] ? capable+0x14/0x20 [ 95.742261][ T7642] do_mount+0x1270/0x1b60 [ 95.746588][ T7642] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 95.752114][ T7642] ? copy_mount_string+0x20/0x20 [ 95.757049][ T7642] ? kmem_cache_alloc_trace+0x39e/0x780 [ 95.762568][ T7642] ? __kasan_check_write+0x14/0x20 [ 95.767653][ T7642] ? _copy_from_user+0xd6/0x110 [ 95.772480][ T7642] ? __kasan_check_read+0x11/0x20 [ 95.777475][ T7642] ? copy_mount_options+0x77/0x2c0 [ 95.782562][ T7642] __x64_sys_mount+0x169/0x1c0 [ 95.787397][ T7642] do_syscall_64+0xd0/0x600 [ 95.792148][ T7642] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.798030][ T7642] RIP: 0033:0x458da9 [ 95.801904][ T7642] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 95.821513][ T7642] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 95.829908][ T7642] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 95.837855][ T7642] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 95.845819][ T7642] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 95.853767][ T7642] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 2019/12/18 21:49:09 executed programs: 101 [ 95.861724][ T7642] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 95.869690][ T7682] CPU: 0 PID: 7682 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 95.877913][ T7684] FAULT_INJECTION: forcing a failure. [ 95.877913][ T7684] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 95.878698][ T7682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 95.878704][ T7682] Call Trace: [ 95.915013][ T7682] dump_stack+0x12d/0x187 [ 95.919319][ T7682] should_fail.cold.4+0x5/0x13 [ 95.924054][ T7682] ? kmem_cache_alloc+0x121/0x750 [ 95.929062][ T7682] ? fault_create_debugfs_attr+0x150/0x150 [ 95.935221][ T7682] ? vfs_get_tree+0x8b/0x2d0 [ 95.939783][ T7682] ? do_mount+0x1270/0x1b60 [ 95.944256][ T7682] ? __x64_sys_mount+0x169/0x1c0 [ 95.949186][ T7682] ? do_syscall_64+0xd0/0x600 [ 95.953835][ T7682] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 95.959887][ T7682] should_fail_alloc_page+0x50/0x60 [ 95.965056][ T7682] __alloc_pages_nodemask+0x17f/0x890 [ 95.970401][ T7682] ? __alloc_pages_slowpath+0x2570/0x2570 [ 95.976099][ T7682] cache_grow_begin+0x92/0xca0 [ 95.980846][ T7682] ? __kmalloc+0xc5/0x790 [ 95.985193][ T7682] ? trace_hardirqs_off+0x41/0x1a0 [ 95.990306][ T7682] __kmalloc+0x6cd/0x790 [ 95.994544][ T7682] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 95.999824][ T7682] p9_fcall_init.isra.2+0x55/0x1c0 [ 96.004913][ T7682] p9_client_prepare_req.part.5+0x96/0x670 [ 96.010698][ T7682] p9_client_rpc+0x174/0xe50 [ 96.015266][ T7682] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 96.021050][ T7682] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.027107][ T7682] ? add_wait_queue+0x107/0x160 [ 96.031940][ T7682] ? p9_pollwait+0x182/0x210 [ 96.036519][ T7682] ? pipe_poll+0x80/0x300 [ 96.040840][ T7682] ? p9_fd_poll+0x19b/0x2a0 [ 96.045329][ T7682] ? p9_conn_create+0x399/0x4e0 [ 96.050155][ T7682] ? p9_conn_create+0x4e0/0x4e0 [ 96.054992][ T7682] p9_client_create+0x7ec/0x10e0 [ 96.059907][ T7682] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.065945][ T7682] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.071462][ T7682] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.077509][ T7682] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.083810][ T7682] ? __kmalloc_track_caller+0x60e/0x780 [ 96.089329][ T7682] ? __x64_sys_mount+0x169/0x1c0 [ 96.094239][ T7682] ? do_syscall_64+0xd0/0x600 [ 96.098901][ T7682] ? lockdep_init_map+0x1b6/0x6c0 [ 96.103903][ T7682] v9fs_session_init+0x1ed/0x14c0 [ 96.108900][ T7682] ? v9fs_session_init+0x1ed/0x14c0 [ 96.114073][ T7682] ? find_held_lock+0x36/0x1d0 [ 96.118911][ T7682] ? v9fs_show_options+0x6c0/0x6c0 [ 96.123996][ T7682] ? __kasan_check_read+0x11/0x20 [ 96.128993][ T7682] ? v9fs_mount+0x55/0x7f0 [ 96.133385][ T7682] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.138916][ T7682] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.144964][ T7682] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.150767][ T7682] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.156323][ T7682] ? apparmor_task_alloc+0x2f0/0x2f0 [ 96.161591][ T7682] v9fs_mount+0x72/0x7f0 [ 96.165818][ T7682] ? v9fs_write_inode+0x50/0x50 [ 96.170646][ T7682] legacy_get_tree+0x103/0x1f0 [ 96.175398][ T7682] vfs_get_tree+0x8b/0x2d0 [ 96.180395][ T7682] ? capable+0x14/0x20 [ 96.184440][ T7682] do_mount+0x1270/0x1b60 [ 96.188742][ T7682] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.194262][ T7682] ? copy_mount_string+0x20/0x20 [ 96.199174][ T7682] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.204697][ T7682] ? __kasan_check_read+0x11/0x20 [ 96.209780][ T7682] ? copy_mount_options+0x77/0x2c0 [ 96.214878][ T7682] __x64_sys_mount+0x169/0x1c0 [ 96.219616][ T7682] do_syscall_64+0xd0/0x600 [ 96.224094][ T7682] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.229959][ T7682] RIP: 0033:0x458da9 [ 96.233831][ T7682] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.253421][ T7682] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.261825][ T7682] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 96.269785][ T7682] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.277731][ T7682] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.286739][ T7682] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 96.294686][ T7682] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 96.302652][ T7684] CPU: 1 PID: 7684 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 96.311236][ T7684] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.321403][ T7684] Call Trace: [ 96.324699][ T7684] dump_stack+0x12d/0x187 [ 96.329036][ T7684] should_fail.cold.4+0x5/0x13 [ 96.329996][ T7686] FAULT_INJECTION: forcing a failure. [ 96.329996][ T7686] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 96.333795][ T7684] ? do_mount+0x1270/0x1b60 [ 96.351454][ T7684] ? fault_create_debugfs_attr+0x150/0x150 [ 96.357243][ T7684] ? find_held_lock+0x36/0x1d0 [ 96.362004][ T7684] should_fail_alloc_page+0x50/0x60 [ 96.367178][ T7684] __alloc_pages_nodemask+0x17f/0x890 [ 96.372523][ T7684] ? cache_grow_end+0xa8/0x190 [ 96.377347][ T7684] ? __alloc_pages_slowpath+0x2570/0x2570 [ 96.383035][ T7684] ? do_raw_spin_lock+0x132/0x2e0 [ 96.388040][ T7684] cache_grow_begin+0x92/0xca0 [ 96.392789][ T7684] ? __kmalloc+0xc5/0x790 [ 96.397091][ T7684] ? trace_hardirqs_off+0x41/0x1a0 [ 96.402188][ T7684] __kmalloc+0x6cd/0x790 [ 96.406417][ T7684] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 96.411676][ T7684] p9_fcall_init.isra.2+0x55/0x1c0 [ 96.416761][ T7684] p9_client_prepare_req.part.5+0x116/0x670 [ 96.422641][ T7684] p9_client_rpc+0x174/0xe50 [ 96.427207][ T7684] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 96.432990][ T7684] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.439031][ T7684] ? add_wait_queue+0x107/0x160 [ 96.443856][ T7684] ? p9_pollwait+0x182/0x210 [ 96.448422][ T7684] ? pipe_poll+0x80/0x300 [ 96.452726][ T7684] ? p9_fd_poll+0x19b/0x2a0 [ 96.457215][ T7684] ? p9_conn_create+0x399/0x4e0 [ 96.462046][ T7684] ? p9_conn_create+0x4e0/0x4e0 [ 96.466872][ T7684] p9_client_create+0x7ec/0x10e0 [ 96.471785][ T7684] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.477834][ T7684] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.483350][ T7684] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.490430][ T7684] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.496210][ T7684] ? __kmalloc_track_caller+0x60e/0x780 [ 96.501732][ T7684] ? __x64_sys_mount+0x169/0x1c0 [ 96.506645][ T7684] ? do_syscall_64+0xd0/0x600 [ 96.511306][ T7684] ? lockdep_init_map+0x1b6/0x6c0 [ 96.516308][ T7684] v9fs_session_init+0x1ed/0x14c0 [ 96.521306][ T7684] ? v9fs_session_init+0x1ed/0x14c0 [ 96.526482][ T7684] ? find_held_lock+0x36/0x1d0 [ 96.531239][ T7684] ? v9fs_show_options+0x6c0/0x6c0 [ 96.536324][ T7684] ? __kasan_check_read+0x11/0x20 [ 96.541321][ T7684] ? v9fs_mount+0x55/0x7f0 [ 96.545713][ T7684] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.551235][ T7684] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.557271][ T7684] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.563063][ T7684] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.568586][ T7684] ? apparmor_task_alloc+0x2f0/0x2f0 [ 96.573852][ T7684] v9fs_mount+0x72/0x7f0 [ 96.578068][ T7684] ? v9fs_write_inode+0x50/0x50 [ 96.584490][ T7684] legacy_get_tree+0x103/0x1f0 [ 96.589241][ T7684] vfs_get_tree+0x8b/0x2d0 [ 96.593662][ T7684] ? capable+0x14/0x20 [ 96.597719][ T7684] do_mount+0x1270/0x1b60 [ 96.602041][ T7684] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.607569][ T7684] ? copy_mount_string+0x20/0x20 [ 96.612501][ T7684] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.618025][ T7684] ? __kasan_check_write+0x14/0x20 [ 96.623112][ T7684] ? _copy_from_user+0xd6/0x110 [ 96.627941][ T7684] ? __kasan_check_read+0x11/0x20 [ 96.632941][ T7684] ? copy_mount_options+0x77/0x2c0 [ 96.638031][ T7684] __x64_sys_mount+0x169/0x1c0 [ 96.642798][ T7684] do_syscall_64+0xd0/0x600 [ 96.647279][ T7684] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.653145][ T7684] RIP: 0033:0x458da9 [ 96.657015][ T7684] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 96.676594][ T7684] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 96.684976][ T7684] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 96.692921][ T7684] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 96.700880][ T7684] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 96.708832][ T7684] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 96.716793][ T7684] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 96.724761][ T7686] CPU: 0 PID: 7686 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 96.733332][ T7686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.733336][ T7686] Call Trace: [ 96.733348][ T7686] dump_stack+0x12d/0x187 [ 96.733357][ T7686] should_fail.cold.4+0x5/0x13 [ 96.733364][ T7686] ? do_mount+0x1270/0x1b60 [ 96.733370][ T7686] ? fault_create_debugfs_attr+0x150/0x150 [ 96.733384][ T7686] ? find_held_lock+0x36/0x1d0 [ 96.746908][ T7686] should_fail_alloc_page+0x50/0x60 [ 96.770992][ T7686] __alloc_pages_nodemask+0x17f/0x890 [ 96.781538][ T7686] ? cache_grow_end+0xa8/0x190 [ 96.786316][ T7686] ? __alloc_pages_slowpath+0x2570/0x2570 [ 96.786323][ T7686] ? do_raw_spin_lock+0x132/0x2e0 [ 96.786338][ T7686] cache_grow_begin+0x92/0xca0 [ 96.786343][ T7686] ? __kmalloc+0xc5/0x790 [ 96.786350][ T7686] ? trace_hardirqs_off+0x41/0x1a0 [ 96.786358][ T7686] __kmalloc+0x6cd/0x790 [ 96.786367][ T7686] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 96.786376][ T7686] p9_fcall_init.isra.2+0x55/0x1c0 [ 96.802953][ T7689] FAULT_INJECTION: forcing a failure. [ 96.802953][ T7689] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 96.806255][ T7686] p9_client_prepare_req.part.5+0x116/0x670 [ 96.845286][ T7686] p9_client_rpc+0x174/0xe50 [ 96.849852][ T7686] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 96.855641][ T7686] ? p9_client_prepare_req.part.5+0x670/0x670 [ 96.861696][ T7686] ? add_wait_queue+0x107/0x160 [ 96.866528][ T7686] ? p9_pollwait+0x182/0x210 [ 96.871093][ T7686] ? pipe_poll+0x80/0x300 [ 96.875397][ T7686] ? p9_fd_poll+0x19b/0x2a0 [ 96.879876][ T7686] ? p9_conn_create+0x399/0x4e0 [ 96.884800][ T7686] ? p9_conn_create+0x4e0/0x4e0 [ 96.889637][ T7686] p9_client_create+0x7ec/0x10e0 [ 96.894556][ T7686] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 96.900781][ T7686] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.906301][ T7686] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.912363][ T7686] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.918145][ T7686] ? __kmalloc_track_caller+0x60e/0x780 [ 96.924012][ T7686] ? __x64_sys_mount+0x169/0x1c0 [ 96.928921][ T7686] ? do_syscall_64+0xd0/0x600 [ 96.933816][ T7686] ? lockdep_init_map+0x1b6/0x6c0 [ 96.938817][ T7686] v9fs_session_init+0x1ed/0x14c0 [ 96.943814][ T7686] ? v9fs_session_init+0x1ed/0x14c0 [ 96.948988][ T7686] ? find_held_lock+0x36/0x1d0 [ 96.953728][ T7686] ? v9fs_show_options+0x6c0/0x6c0 [ 96.958811][ T7686] ? __kasan_check_read+0x11/0x20 [ 96.963809][ T7686] ? v9fs_mount+0x55/0x7f0 [ 96.968200][ T7686] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.973804][ T7686] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 96.979853][ T7686] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 96.985633][ T7686] ? kmem_cache_alloc_trace+0x39e/0x780 [ 96.991151][ T7686] ? apparmor_task_alloc+0x2f0/0x2f0 [ 96.997038][ T7686] v9fs_mount+0x72/0x7f0 [ 97.001258][ T7686] ? v9fs_write_inode+0x50/0x50 [ 97.006081][ T7686] legacy_get_tree+0x103/0x1f0 [ 97.010829][ T7686] vfs_get_tree+0x8b/0x2d0 [ 97.015233][ T7686] ? capable+0x14/0x20 [ 97.019288][ T7686] do_mount+0x1270/0x1b60 [ 97.023598][ T7686] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.029123][ T7686] ? copy_mount_string+0x20/0x20 [ 97.034043][ T7686] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.039568][ T7686] ? __kasan_check_write+0x14/0x20 [ 97.044752][ T7686] ? _copy_from_user+0xd6/0x110 [ 97.049965][ T7686] ? __kasan_check_read+0x11/0x20 [ 97.054981][ T7686] ? copy_mount_options+0x77/0x2c0 [ 97.060090][ T7686] __x64_sys_mount+0x169/0x1c0 [ 97.064862][ T7686] do_syscall_64+0xd0/0x600 [ 97.069346][ T7686] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.075221][ T7686] RIP: 0033:0x458da9 [ 97.079093][ T7686] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.098682][ T7686] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.107152][ T7686] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 97.115098][ T7686] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.123043][ T7686] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.130988][ T7686] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 97.138933][ T7686] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.146910][ T7689] CPU: 1 PID: 7689 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 97.155665][ T7689] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.165846][ T7689] Call Trace: [ 97.169136][ T7689] dump_stack+0x12d/0x187 [ 97.173467][ T7689] should_fail.cold.4+0x5/0x13 [ 97.178237][ T7689] ? do_mount+0x1270/0x1b60 [ 97.182740][ T7689] ? fault_create_debugfs_attr+0x150/0x150 [ 97.188547][ T7689] ? find_held_lock+0x36/0x1d0 [ 97.191918][ T7697] FAULT_INJECTION: forcing a failure. [ 97.191918][ T7697] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 97.193302][ T7689] should_fail_alloc_page+0x50/0x60 [ 97.211654][ T7689] __alloc_pages_nodemask+0x17f/0x890 [ 97.217003][ T7689] ? cache_grow_end+0xa8/0x190 [ 97.221743][ T7689] ? __alloc_pages_slowpath+0x2570/0x2570 [ 97.227448][ T7689] ? do_raw_spin_lock+0x132/0x2e0 [ 97.232463][ T7689] cache_grow_begin+0x92/0xca0 [ 97.237289][ T7689] ? __kmalloc+0xc5/0x790 [ 97.241592][ T7689] ? trace_hardirqs_off+0x41/0x1a0 [ 97.246677][ T7689] __kmalloc+0x6cd/0x790 [ 97.250894][ T7689] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 97.256328][ T7689] p9_fcall_init.isra.2+0x55/0x1c0 [ 97.261416][ T7689] p9_client_prepare_req.part.5+0x116/0x670 [ 97.268337][ T7689] p9_client_rpc+0x174/0xe50 [ 97.272905][ T7689] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 97.279639][ T7689] ? p9_client_prepare_req.part.5+0x670/0x670 [ 97.285710][ T7689] ? add_wait_queue+0x107/0x160 [ 97.290548][ T7689] ? p9_pollwait+0x182/0x210 [ 97.295115][ T7689] ? pipe_poll+0x80/0x300 [ 97.299418][ T7689] ? p9_fd_poll+0x19b/0x2a0 [ 97.303987][ T7689] ? p9_conn_create+0x399/0x4e0 [ 97.308816][ T7689] ? p9_conn_create+0x4e0/0x4e0 [ 97.313682][ T7689] p9_client_create+0x7ec/0x10e0 [ 97.318606][ T7689] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 97.324649][ T7689] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.331831][ T7689] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.337887][ T7689] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.343669][ T7689] ? __kmalloc_track_caller+0x60e/0x780 [ 97.349186][ T7689] ? __x64_sys_mount+0x169/0x1c0 [ 97.354109][ T7689] ? do_syscall_64+0xd0/0x600 [ 97.358762][ T7689] ? lockdep_init_map+0x1b6/0x6c0 [ 97.363763][ T7689] v9fs_session_init+0x1ed/0x14c0 [ 97.368760][ T7689] ? v9fs_session_init+0x1ed/0x14c0 [ 97.373935][ T7689] ? find_held_lock+0x36/0x1d0 [ 97.378701][ T7689] ? v9fs_show_options+0x6c0/0x6c0 [ 97.383790][ T7689] ? __kasan_check_read+0x11/0x20 [ 97.388786][ T7689] ? v9fs_mount+0x55/0x7f0 [ 97.393172][ T7689] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.398686][ T7689] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.404721][ T7689] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.410503][ T7689] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.416036][ T7689] ? apparmor_task_alloc+0x2f0/0x2f0 [ 97.421295][ T7689] v9fs_mount+0x72/0x7f0 [ 97.425514][ T7689] ? v9fs_write_inode+0x50/0x50 [ 97.430334][ T7689] legacy_get_tree+0x103/0x1f0 [ 97.435074][ T7689] vfs_get_tree+0x8b/0x2d0 [ 97.439472][ T7689] ? capable+0x14/0x20 [ 97.443525][ T7689] do_mount+0x1270/0x1b60 [ 97.447825][ T7689] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.453340][ T7689] ? copy_mount_string+0x20/0x20 [ 97.458248][ T7689] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.463764][ T7689] ? __kasan_check_write+0x14/0x20 [ 97.469801][ T7689] ? _copy_from_user+0xd6/0x110 [ 97.474622][ T7689] ? __kasan_check_read+0x11/0x20 [ 97.479615][ T7689] ? copy_mount_options+0x77/0x2c0 [ 97.484697][ T7689] __x64_sys_mount+0x169/0x1c0 [ 97.489435][ T7689] do_syscall_64+0xd0/0x600 [ 97.501300][ T7689] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.507164][ T7689] RIP: 0033:0x458da9 [ 97.511034][ T7689] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.530784][ T7689] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.539165][ T7689] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 97.547107][ T7689] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.555050][ T7689] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.562993][ T7689] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 97.570937][ T7689] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.578897][ T7697] CPU: 0 PID: 7697 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 97.587488][ T7697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.587492][ T7697] Call Trace: [ 97.587503][ T7697] dump_stack+0x12d/0x187 [ 97.587513][ T7697] should_fail.cold.4+0x5/0x13 [ 97.587519][ T7697] ? do_mount+0x1270/0x1b60 [ 97.587525][ T7697] ? fault_create_debugfs_attr+0x150/0x150 [ 97.587538][ T7697] ? find_held_lock+0x36/0x1d0 [ 97.605874][ T7697] should_fail_alloc_page+0x50/0x60 [ 97.605882][ T7697] __alloc_pages_nodemask+0x17f/0x890 [ 97.605890][ T7697] ? cache_grow_end+0xa8/0x190 [ 97.605896][ T7697] ? __alloc_pages_slowpath+0x2570/0x2570 [ 97.605902][ T7697] ? do_raw_spin_lock+0x132/0x2e0 [ 97.605914][ T7697] cache_grow_begin+0x92/0xca0 [ 97.605921][ T7697] ? __kmalloc+0xc5/0x790 [ 97.615159][ T7697] ? trace_hardirqs_off+0x41/0x1a0 [ 97.615168][ T7697] __kmalloc+0x6cd/0x790 [ 97.615178][ T7697] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 97.615185][ T7697] p9_fcall_init.isra.2+0x55/0x1c0 [ 97.615192][ T7697] p9_client_prepare_req.part.5+0x116/0x670 [ 97.615204][ T7697] p9_client_rpc+0x174/0xe50 [ 97.625722][ T7697] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 97.625728][ T7697] ? p9_client_prepare_req.part.5+0x670/0x670 [ 97.625734][ T7697] ? add_wait_queue+0x107/0x160 [ 97.625742][ T7697] ? p9_pollwait+0x182/0x210 [ 97.625751][ T7697] ? pipe_poll+0x80/0x300 [ 97.636269][ T7697] ? p9_fd_poll+0x19b/0x2a0 [ 97.636276][ T7697] ? p9_conn_create+0x399/0x4e0 [ 97.636284][ T7697] ? p9_conn_create+0x4e0/0x4e0 [ 97.636295][ T7697] p9_client_create+0x7ec/0x10e0 [ 97.636307][ T7697] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 97.646748][ T7697] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.646754][ T7697] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.646761][ T7697] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.646770][ T7697] ? __kmalloc_track_caller+0x60e/0x780 [ 97.646778][ T7697] ? __x64_sys_mount+0x169/0x1c0 [ 97.646785][ T7697] ? do_syscall_64+0xd0/0x600 [ 97.656546][ T7697] ? lockdep_init_map+0x1b6/0x6c0 [ 97.656561][ T7697] v9fs_session_init+0x1ed/0x14c0 [ 97.656565][ T7697] ? v9fs_session_init+0x1ed/0x14c0 [ 97.656574][ T7697] ? find_held_lock+0x36/0x1d0 [ 97.656585][ T7697] ? v9fs_show_options+0x6c0/0x6c0 [ 97.665995][ T7697] ? __kasan_check_read+0x11/0x20 [ 97.666005][ T7697] ? v9fs_mount+0x55/0x7f0 [ 97.666011][ T7697] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.666016][ T7697] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 97.666021][ T7697] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 97.666031][ T7697] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.666042][ T7697] ? apparmor_task_alloc+0x2f0/0x2f0 [ 97.714123][ T7703] FAULT_INJECTION: forcing a failure. [ 97.714123][ T7703] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 97.716920][ T7697] v9fs_mount+0x72/0x7f0 [ 97.854768][ T7697] ? v9fs_write_inode+0x50/0x50 [ 97.859617][ T7697] legacy_get_tree+0x103/0x1f0 [ 97.864360][ T7697] vfs_get_tree+0x8b/0x2d0 [ 97.868747][ T7697] ? capable+0x14/0x20 [ 97.872805][ T7697] do_mount+0x1270/0x1b60 [ 97.877112][ T7697] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.882644][ T7697] ? copy_mount_string+0x20/0x20 [ 97.887565][ T7697] ? kmem_cache_alloc_trace+0x39e/0x780 [ 97.893088][ T7697] ? __kasan_check_write+0x14/0x20 [ 97.898175][ T7697] ? _copy_from_user+0xd6/0x110 [ 97.903000][ T7697] ? __kasan_check_read+0x11/0x20 [ 97.907994][ T7697] ? copy_mount_options+0x77/0x2c0 [ 97.913079][ T7697] __x64_sys_mount+0x169/0x1c0 [ 97.917820][ T7697] do_syscall_64+0xd0/0x600 [ 97.922300][ T7697] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.928161][ T7697] RIP: 0033:0x458da9 [ 97.932028][ T7697] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 97.951606][ T7697] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 97.959998][ T7697] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 97.967953][ T7697] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 97.975901][ T7697] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 97.983852][ T7697] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 97.991815][ T7697] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 97.999781][ T7703] CPU: 1 PID: 7703 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 98.008381][ T7703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.014894][ T7706] FAULT_INJECTION: forcing a failure. [ 98.014894][ T7706] name failslab, interval 1, probability 0, space 0, times 0 [ 98.018441][ T7703] Call Trace: [ 98.034272][ T7703] dump_stack+0x12d/0x187 [ 98.038584][ T7703] should_fail.cold.4+0x5/0x13 [ 98.043324][ T7703] ? do_mount+0x1270/0x1b60 [ 98.047805][ T7703] ? fault_create_debugfs_attr+0x150/0x150 [ 98.053601][ T7703] ? find_held_lock+0x36/0x1d0 [ 98.058348][ T7703] should_fail_alloc_page+0x50/0x60 [ 98.063532][ T7703] __alloc_pages_nodemask+0x17f/0x890 [ 98.068882][ T7703] ? cache_grow_end+0xa8/0x190 [ 98.073625][ T7703] ? __alloc_pages_slowpath+0x2570/0x2570 [ 98.079409][ T7703] ? do_raw_spin_lock+0x132/0x2e0 [ 98.084417][ T7703] cache_grow_begin+0x92/0xca0 [ 98.089591][ T7703] ? __kmalloc+0xc5/0x790 [ 98.093900][ T7703] ? trace_hardirqs_off+0x41/0x1a0 [ 98.098992][ T7703] __kmalloc+0x6cd/0x790 [ 98.103215][ T7703] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 98.108479][ T7703] p9_fcall_init.isra.2+0x55/0x1c0 [ 98.113569][ T7703] p9_client_prepare_req.part.5+0x116/0x670 [ 98.119564][ T7703] p9_client_rpc+0x174/0xe50 [ 98.124149][ T7703] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 98.129948][ T7703] ? p9_client_prepare_req.part.5+0x670/0x670 [ 98.136072][ T7703] ? add_wait_queue+0x107/0x160 [ 98.141411][ T7703] ? p9_pollwait+0x182/0x210 [ 98.146019][ T7703] ? pipe_poll+0x80/0x300 [ 98.150502][ T7703] ? p9_fd_poll+0x19b/0x2a0 [ 98.154995][ T7703] ? p9_conn_create+0x399/0x4e0 [ 98.159840][ T7703] ? p9_conn_create+0x4e0/0x4e0 [ 98.164682][ T7703] p9_client_create+0x7ec/0x10e0 [ 98.169700][ T7703] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.175747][ T7703] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.181299][ T7703] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.187349][ T7703] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.193141][ T7703] ? __kmalloc_track_caller+0x60e/0x780 [ 98.198680][ T7703] ? __x64_sys_mount+0x169/0x1c0 [ 98.203595][ T7703] ? do_syscall_64+0xd0/0x600 [ 98.208336][ T7703] ? lockdep_init_map+0x1b6/0x6c0 [ 98.213344][ T7703] v9fs_session_init+0x1ed/0x14c0 [ 98.218351][ T7703] ? v9fs_session_init+0x1ed/0x14c0 [ 98.223571][ T7703] ? find_held_lock+0x36/0x1d0 [ 98.228372][ T7703] ? v9fs_show_options+0x6c0/0x6c0 [ 98.233462][ T7703] ? __kasan_check_read+0x11/0x20 [ 98.238729][ T7703] ? v9fs_mount+0x55/0x7f0 [ 98.243125][ T7703] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.248651][ T7703] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.254728][ T7703] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.260515][ T7703] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.266040][ T7703] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.271308][ T7703] v9fs_mount+0x72/0x7f0 [ 98.275534][ T7703] ? v9fs_write_inode+0x50/0x50 [ 98.280378][ T7703] legacy_get_tree+0x103/0x1f0 [ 98.285125][ T7703] vfs_get_tree+0x8b/0x2d0 [ 98.289524][ T7703] ? capable+0x14/0x20 [ 98.293575][ T7703] do_mount+0x1270/0x1b60 [ 98.297884][ T7703] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.303553][ T7703] ? copy_mount_string+0x20/0x20 [ 98.308490][ T7703] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.314181][ T7703] ? __kasan_check_write+0x14/0x20 [ 98.319289][ T7703] ? _copy_from_user+0xd6/0x110 [ 98.324128][ T7703] ? __kasan_check_read+0x11/0x20 [ 98.329140][ T7703] ? copy_mount_options+0x77/0x2c0 [ 98.334238][ T7703] __x64_sys_mount+0x169/0x1c0 [ 98.339135][ T7703] do_syscall_64+0xd0/0x600 [ 98.343628][ T7703] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.349510][ T7703] RIP: 0033:0x458da9 [ 98.353393][ 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 [ 98.373006][ T7703] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 98.381403][ T7703] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 98.389434][ T7703] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 98.397387][ T7703] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 98.405345][ T7703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 98.413349][ T7703] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 98.421328][ T7706] CPU: 0 PID: 7706 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 98.429920][ T7706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.432252][ T7707] FAULT_INJECTION: forcing a failure. [ 98.432252][ T7707] name failslab, interval 1, probability 0, space 0, times 0 [ 98.440970][ T7706] Call Trace: [ 98.456935][ T7706] dump_stack+0x12d/0x187 [ 98.461255][ T7706] should_fail.cold.4+0x5/0x13 [ 98.466004][ T7706] ? stack_trace_save+0x82/0xb0 [ 98.470836][ T7706] ? fault_create_debugfs_attr+0x150/0x150 [ 98.476642][ T7706] __should_failslab+0xba/0xf0 [ 98.481389][ T7706] should_failslab+0x9/0x14 [ 98.485875][ T7706] kmem_cache_alloc+0x47/0x750 [ 98.490620][ T7706] ? __x64_sys_mount+0x169/0x1c0 [ 98.495545][ T7706] ? do_syscall_64+0xd0/0x600 [ 98.500211][ T7706] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 98.506608][ T7706] ? __kasan_check_read+0x11/0x20 [ 98.511627][ T7706] idr_get_free+0x35d/0x880 [ 98.516469][ T7706] ? __kasan_check_read+0x11/0x20 [ 98.521485][ T7706] idr_alloc_u32+0x13a/0x330 [ 98.526064][ T7706] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 98.531590][ T7706] ? mark_held_locks+0x130/0x130 [ 98.536517][ T7706] ? __kasan_check_write+0x14/0x20 [ 98.541611][ T7706] ? do_raw_spin_lock+0x132/0x2e0 [ 98.546622][ T7706] idr_alloc+0x7d/0xc0 [ 98.550726][ T7706] ? idr_alloc_u32+0x330/0x330 [ 98.555505][ T7706] p9_client_prepare_req.part.5+0x571/0x670 [ 98.561381][ T7706] p9_client_rpc+0x174/0xe50 [ 98.566104][ T7706] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 98.571890][ T7706] ? p9_client_prepare_req.part.5+0x670/0x670 [ 98.578025][ T7706] ? add_wait_queue+0x107/0x160 [ 98.582859][ T7706] ? p9_pollwait+0x182/0x210 [ 98.587436][ T7706] ? pipe_poll+0x80/0x300 [ 98.592099][ T7706] ? p9_fd_poll+0x19b/0x2a0 [ 98.596586][ T7706] ? p9_conn_create+0x399/0x4e0 [ 98.601420][ T7706] ? p9_conn_create+0x4e0/0x4e0 [ 98.606273][ T7706] p9_client_create+0x7ec/0x10e0 [ 98.611195][ T7706] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 98.617243][ T7706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.622773][ T7706] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.628822][ T7706] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.634617][ T7706] ? __kmalloc_track_caller+0x60e/0x780 [ 98.640203][ T7706] ? __x64_sys_mount+0x169/0x1c0 [ 98.645124][ T7706] ? do_syscall_64+0xd0/0x600 [ 98.649784][ T7706] ? lockdep_init_map+0x1b6/0x6c0 [ 98.654839][ T7706] v9fs_session_init+0x1ed/0x14c0 [ 98.659846][ T7706] ? v9fs_session_init+0x1ed/0x14c0 [ 98.665029][ T7706] ? find_held_lock+0x36/0x1d0 [ 98.669777][ T7706] ? v9fs_show_options+0x6c0/0x6c0 [ 98.674919][ T7706] ? __kasan_check_read+0x11/0x20 [ 98.679928][ T7706] ? v9fs_mount+0x55/0x7f0 [ 98.684329][ T7706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.689872][ T7706] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 98.695929][ T7706] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 98.701729][ T7706] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.707268][ T7706] ? apparmor_task_alloc+0x2f0/0x2f0 [ 98.712587][ T7706] v9fs_mount+0x72/0x7f0 [ 98.716822][ T7706] ? v9fs_write_inode+0x50/0x50 [ 98.721657][ T7706] legacy_get_tree+0x103/0x1f0 [ 98.726414][ T7706] vfs_get_tree+0x8b/0x2d0 [ 98.730816][ T7706] ? capable+0x14/0x20 [ 98.734873][ T7706] do_mount+0x1270/0x1b60 [ 98.739185][ T7706] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 98.744717][ T7706] ? copy_mount_string+0x20/0x20 [ 98.749836][ T7706] ? kmem_cache_alloc_trace+0x39e/0x780 [ 98.755378][ T7706] ? __kasan_check_write+0x14/0x20 [ 98.760617][ T7706] ? _copy_from_user+0xd6/0x110 [ 98.765989][ T7706] ? __kasan_check_read+0x11/0x20 [ 98.771122][ T7706] ? copy_mount_options+0x77/0x2c0 [ 98.776229][ T7706] __x64_sys_mount+0x169/0x1c0 [ 98.780984][ T7706] do_syscall_64+0xd0/0x600 [ 98.786526][ T7706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.792408][ T7706] RIP: 0033:0x458da9 [ 98.796425][ T7706] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 98.816099][ T7706] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 98.824645][ T7706] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 98.832603][ T7706] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 98.840563][ T7706] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 98.848528][ T7706] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 98.856499][ T7706] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 98.864731][ T7707] CPU: 1 PID: 7707 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 98.873317][ T7707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 98.883377][ T7707] Call Trace: [ 98.886673][ T7707] dump_stack+0x12d/0x187 [ 98.891009][ T7707] should_fail.cold.4+0x5/0x13 [ 98.895775][ T7707] ? stack_trace_save+0x82/0xb0 [ 98.896335][ T7710] FAULT_INJECTION: forcing a failure. [ 98.896335][ T7710] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 98.900793][ T7707] ? fault_create_debugfs_attr+0x150/0x150 [ 98.919763][ T7707] __should_failslab+0xba/0xf0 [ 98.924511][ T7707] should_failslab+0x9/0x14 [ 98.929003][ T7707] kmem_cache_alloc+0x47/0x750 [ 98.933898][ T7707] ? __x64_sys_mount+0x169/0x1c0 [ 98.938833][ T7707] ? do_syscall_64+0xd0/0x600 [ 98.943639][ T7707] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 98.950128][ T7707] ? __kasan_check_read+0x11/0x20 [ 98.955154][ T7707] idr_get_free+0x35d/0x880 [ 98.959650][ T7707] ? __kasan_check_read+0x11/0x20 [ 98.964749][ T7707] idr_alloc_u32+0x13a/0x330 [ 98.970280][ T7707] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 98.975813][ T7707] ? mark_held_locks+0x130/0x130 [ 98.980747][ T7707] ? __kasan_check_write+0x14/0x20 [ 98.985839][ T7707] ? do_raw_spin_lock+0x132/0x2e0 [ 98.990848][ T7707] idr_alloc+0x7d/0xc0 [ 98.994903][ T7707] ? idr_alloc_u32+0x330/0x330 [ 98.999715][ T7707] p9_client_prepare_req.part.5+0x571/0x670 [ 99.005599][ T7707] p9_client_rpc+0x174/0xe50 [ 99.010173][ T7707] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 99.015961][ T7707] ? p9_client_prepare_req.part.5+0x670/0x670 [ 99.022039][ T7707] ? add_wait_queue+0x107/0x160 [ 99.026874][ T7707] ? p9_pollwait+0x182/0x210 [ 99.031452][ T7707] ? pipe_poll+0x80/0x300 [ 99.035774][ T7707] ? p9_fd_poll+0x19b/0x2a0 [ 99.040312][ T7707] ? p9_conn_create+0x399/0x4e0 [ 99.045151][ T7707] ? p9_conn_create+0x4e0/0x4e0 [ 99.049989][ T7707] p9_client_create+0x7ec/0x10e0 [ 99.054921][ T7707] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 99.060968][ T7707] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.066495][ T7707] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.072554][ T7707] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.078418][ T7707] ? __kmalloc_track_caller+0x60e/0x780 [ 99.083945][ T7707] ? __x64_sys_mount+0x169/0x1c0 [ 99.088868][ T7707] ? do_syscall_64+0xd0/0x600 [ 99.093526][ T7707] ? lockdep_init_map+0x1b6/0x6c0 [ 99.098554][ T7707] v9fs_session_init+0x1ed/0x14c0 [ 99.104083][ T7707] ? v9fs_session_init+0x1ed/0x14c0 [ 99.109329][ T7707] ? find_held_lock+0x36/0x1d0 [ 99.114095][ T7707] ? v9fs_show_options+0x6c0/0x6c0 [ 99.119236][ T7707] ? __kasan_check_read+0x11/0x20 [ 99.124244][ T7707] ? v9fs_mount+0x55/0x7f0 [ 99.128653][ T7707] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.134183][ T7707] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.140233][ T7707] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.146025][ T7707] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.151555][ T7707] ? apparmor_task_alloc+0x2f0/0x2f0 [ 99.156828][ T7707] v9fs_mount+0x72/0x7f0 [ 99.161139][ T7707] ? v9fs_write_inode+0x50/0x50 [ 99.165971][ T7707] legacy_get_tree+0x103/0x1f0 [ 99.170762][ T7707] vfs_get_tree+0x8b/0x2d0 [ 99.175160][ T7707] ? capable+0x14/0x20 [ 99.179212][ T7707] do_mount+0x1270/0x1b60 [ 99.183524][ T7707] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.189051][ T7707] ? copy_mount_string+0x20/0x20 [ 99.194138][ T7707] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.199832][ T7707] ? __kasan_check_write+0x14/0x20 [ 99.204935][ T7707] ? _copy_from_user+0xd6/0x110 [ 99.209773][ T7707] ? __kasan_check_read+0x11/0x20 [ 99.214942][ T7707] ? copy_mount_options+0x77/0x2c0 [ 99.220040][ T7707] __x64_sys_mount+0x169/0x1c0 [ 99.224806][ T7707] do_syscall_64+0xd0/0x600 [ 99.229311][ T7707] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.235277][ T7707] RIP: 0033:0x458da9 [ 99.239159][ T7707] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.258787][ T7707] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.267188][ T7707] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 99.275236][ T7707] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.283196][ T7707] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 99.291250][ T7707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 99.299210][ T7707] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.307187][ T7710] CPU: 0 PID: 7710 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 99.315778][ T7710] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.315782][ T7710] Call Trace: [ 99.315794][ T7710] dump_stack+0x12d/0x187 [ 99.315804][ T7710] should_fail.cold.4+0x5/0x13 [ 99.315811][ T7710] ? do_mount+0x1270/0x1b60 [ 99.315817][ T7710] ? fault_create_debugfs_attr+0x150/0x150 [ 99.315827][ T7710] ? find_held_lock+0x36/0x1d0 [ 99.315837][ T7710] should_fail_alloc_page+0x50/0x60 [ 99.335059][ T7710] __alloc_pages_nodemask+0x17f/0x890 [ 99.344533][ T7710] ? cache_grow_end+0xa8/0x190 [ 99.355112][ T7710] ? __alloc_pages_slowpath+0x2570/0x2570 [ 99.355118][ T7710] ? do_raw_spin_lock+0x132/0x2e0 [ 99.355130][ T7710] cache_grow_begin+0x92/0xca0 [ 99.355135][ T7710] ? __kmalloc+0xc5/0x790 [ 99.355142][ T7710] ? trace_hardirqs_off+0x41/0x1a0 [ 99.355149][ T7710] __kmalloc+0x6cd/0x790 [ 99.355160][ T7710] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 99.370473][ T7710] p9_fcall_init.isra.2+0x55/0x1c0 [ 99.381191][ T7710] p9_client_prepare_req.part.5+0x116/0x670 [ 99.415866][ T7710] p9_client_rpc+0x174/0xe50 [ 99.420447][ T7710] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 99.426257][ T7710] ? p9_client_prepare_req.part.5+0x670/0x670 [ 99.432318][ T7710] ? add_wait_queue+0x107/0x160 [ 99.437172][ T7710] ? p9_pollwait+0x182/0x210 [ 99.441768][ T7710] ? pipe_poll+0x80/0x300 [ 99.446101][ T7710] ? p9_fd_poll+0x19b/0x2a0 [ 99.450608][ T7710] ? p9_conn_create+0x399/0x4e0 [ 99.455540][ T7710] ? p9_conn_create+0x4e0/0x4e0 [ 99.455553][ T7710] p9_client_create+0x7ec/0x10e0 [ 99.455565][ T7710] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 99.455571][ T7710] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.455577][ T7710] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.477188][ T7710] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.477199][ T7710] ? __kmalloc_track_caller+0x60e/0x780 [ 99.494973][ T7710] ? __x64_sys_mount+0x169/0x1c0 [ 99.499999][ T7710] ? do_syscall_64+0xd0/0x600 [ 99.504680][ T7710] ? lockdep_init_map+0x1b6/0x6c0 [ 99.510408][ T7710] v9fs_session_init+0x1ed/0x14c0 [ 99.515437][ T7710] ? v9fs_session_init+0x1ed/0x14c0 [ 99.518346][ T7724] FAULT_INJECTION: forcing a failure. [ 99.518346][ T7724] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 99.520638][ T7710] ? find_held_lock+0x36/0x1d0 [ 99.539229][ T7710] ? v9fs_show_options+0x6c0/0x6c0 [ 99.544391][ T7710] ? __kasan_check_read+0x11/0x20 [ 99.549400][ T7710] ? v9fs_mount+0x55/0x7f0 [ 99.553809][ T7710] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.559358][ T7710] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.565408][ T7710] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.571204][ T7710] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.576735][ T7710] ? apparmor_task_alloc+0x2f0/0x2f0 [ 99.582005][ T7710] v9fs_mount+0x72/0x7f0 [ 99.586778][ T7710] ? v9fs_write_inode+0x50/0x50 [ 99.591612][ T7710] legacy_get_tree+0x103/0x1f0 [ 99.596371][ T7710] vfs_get_tree+0x8b/0x2d0 [ 99.600771][ T7710] ? capable+0x14/0x20 [ 99.604822][ T7710] do_mount+0x1270/0x1b60 [ 99.609144][ T7710] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.614676][ T7710] ? copy_mount_string+0x20/0x20 [ 99.619603][ T7710] ? kmem_cache_alloc_trace+0x39e/0x780 [ 99.626089][ T7710] ? __kasan_check_write+0x14/0x20 [ 99.631183][ T7710] ? _copy_from_user+0xd6/0x110 [ 99.636026][ T7710] ? __kasan_check_read+0x11/0x20 [ 99.641034][ T7710] ? copy_mount_options+0x77/0x2c0 [ 99.646130][ T7710] __x64_sys_mount+0x169/0x1c0 [ 99.650880][ T7710] do_syscall_64+0xd0/0x600 [ 99.655374][ T7710] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 99.661300][ T7710] RIP: 0033:0x458da9 [ 99.665184][ T7710] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 99.684962][ T7710] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 99.693444][ T7710] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 99.701409][ T7710] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 99.711080][ T7710] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 99.719121][ T7710] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 99.727078][ T7710] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 99.735056][ T7724] CPU: 1 PID: 7724 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 99.743637][ T7724] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 99.743642][ T7724] Call Trace: [ 99.743652][ T7724] dump_stack+0x12d/0x187 [ 99.743662][ T7724] should_fail.cold.4+0x5/0x13 [ 99.743669][ T7724] ? do_mount+0x1270/0x1b60 [ 99.743676][ T7724] ? fault_create_debugfs_attr+0x150/0x150 [ 99.743686][ T7724] ? find_held_lock+0x36/0x1d0 [ 99.743696][ T7724] should_fail_alloc_page+0x50/0x60 [ 99.757115][ T7724] __alloc_pages_nodemask+0x17f/0x890 [ 99.776346][ T7726] FAULT_INJECTION: forcing a failure. [ 99.776346][ T7726] name failslab, interval 1, probability 0, space 0, times 0 [ 99.776486][ T7724] ? cache_grow_end+0xa8/0x190 [ 99.804607][ T7727] FAULT_INJECTION: forcing a failure. [ 99.804607][ T7727] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 99.804645][ T7724] ? __alloc_pages_slowpath+0x2570/0x2570 [ 99.828544][ T7724] ? do_raw_spin_lock+0x132/0x2e0 [ 99.833729][ T7724] cache_grow_begin+0x92/0xca0 [ 99.838482][ T7724] ? __kmalloc+0xc5/0x790 [ 99.842800][ T7724] ? trace_hardirqs_off+0x41/0x1a0 [ 99.848070][ T7724] __kmalloc+0x6cd/0x790 [ 99.852302][ T7724] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 99.857697][ T7724] p9_fcall_init.isra.2+0x55/0x1c0 [ 99.862856][ T7724] p9_client_prepare_req.part.5+0x116/0x670 [ 99.868740][ T7724] p9_client_rpc+0x174/0xe50 [ 99.873369][ T7724] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 99.879161][ T7724] ? p9_client_prepare_req.part.5+0x670/0x670 [ 99.885218][ T7724] ? add_wait_queue+0x107/0x160 [ 99.890663][ T7724] ? p9_pollwait+0x182/0x210 [ 99.895396][ T7724] ? pipe_poll+0x80/0x300 [ 99.899723][ T7724] ? p9_fd_poll+0x19b/0x2a0 [ 99.904226][ T7724] ? p9_conn_create+0x399/0x4e0 [ 99.909074][ T7724] ? p9_conn_create+0x4e0/0x4e0 [ 99.913922][ T7724] p9_client_create+0x7ec/0x10e0 [ 99.918940][ T7724] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 99.925192][ T7724] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.930728][ T7724] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 99.936915][ T7724] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 99.942721][ T7724] ? __kmalloc_track_caller+0x60e/0x780 [ 99.948260][ T7724] ? __x64_sys_mount+0x169/0x1c0 [ 99.953187][ T7724] ? do_syscall_64+0xd0/0x600 [ 99.957854][ T7724] ? lockdep_init_map+0x1b6/0x6c0 [ 99.963828][ T7724] v9fs_session_init+0x1ed/0x14c0 [ 99.968893][ T7724] ? v9fs_session_init+0x1ed/0x14c0 [ 99.974137][ T7724] ? find_held_lock+0x36/0x1d0 [ 99.978891][ T7724] ? v9fs_show_options+0x6c0/0x6c0 [ 99.984074][ T7724] ? __kasan_check_read+0x11/0x20 [ 99.989086][ T7724] ? v9fs_mount+0x55/0x7f0 [ 99.993489][ T7724] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 99.999020][ T7724] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.005273][ T7724] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.011080][ T7724] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.016775][ T7724] ? apparmor_task_alloc+0x2f0/0x2f0 [ 100.022167][ T7724] v9fs_mount+0x72/0x7f0 [ 100.026405][ T7724] ? v9fs_write_inode+0x50/0x50 [ 100.031242][ T7724] legacy_get_tree+0x103/0x1f0 [ 100.035996][ T7724] vfs_get_tree+0x8b/0x2d0 [ 100.040396][ T7724] ? capable+0x14/0x20 [ 100.044454][ T7724] do_mount+0x1270/0x1b60 [ 100.048770][ T7724] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.054310][ T7724] ? copy_mount_string+0x20/0x20 [ 100.059240][ T7724] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.064773][ T7724] ? __kasan_check_read+0x11/0x20 [ 100.069779][ T7724] ? copy_mount_options+0x77/0x2c0 [ 100.074880][ T7724] __x64_sys_mount+0x169/0x1c0 [ 100.079717][ T7724] do_syscall_64+0xd0/0x600 [ 100.085189][ T7724] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.091078][ T7724] RIP: 0033:0x458da9 [ 100.094970][ T7724] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 100.114923][ T7724] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.123454][ T7724] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 100.131451][ T7724] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 100.139652][ T7724] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 100.147685][ T7724] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 100.155820][ T7724] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 100.163810][ T7727] CPU: 0 PID: 7727 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 100.172541][ T7727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.179509][ T7721] FAULT_INJECTION: forcing a failure. [ 100.179509][ T7721] name failslab, interval 1, probability 0, space 0, times 0 [ 100.182686][ T7727] Call Trace: [ 100.198536][ T7727] dump_stack+0x12d/0x187 [ 100.202855][ T7727] should_fail.cold.4+0x5/0x13 [ 100.207688][ T7727] ? do_mount+0x1270/0x1b60 [ 100.212178][ T7727] ? fault_create_debugfs_attr+0x150/0x150 [ 100.218061][ T7727] ? find_held_lock+0x36/0x1d0 [ 100.222902][ T7727] should_fail_alloc_page+0x50/0x60 [ 100.228205][ T7727] __alloc_pages_nodemask+0x17f/0x890 [ 100.233586][ T7727] ? cache_grow_end+0xa8/0x190 [ 100.238383][ T7727] ? __alloc_pages_slowpath+0x2570/0x2570 [ 100.244084][ T7727] ? do_raw_spin_lock+0x132/0x2e0 [ 100.249296][ T7727] cache_grow_begin+0x92/0xca0 [ 100.254048][ T7727] ? __kmalloc+0xc5/0x790 [ 100.258369][ T7727] ? trace_hardirqs_off+0x41/0x1a0 [ 100.263470][ T7727] __kmalloc+0x6cd/0x790 [ 100.267709][ T7727] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 100.274040][ T7727] p9_fcall_init.isra.2+0x55/0x1c0 [ 100.279146][ T7727] p9_client_prepare_req.part.5+0x116/0x670 [ 100.285185][ T7727] p9_client_rpc+0x174/0xe50 [ 100.289774][ T7727] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 100.297405][ T7727] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.303646][ T7727] ? add_wait_queue+0x107/0x160 [ 100.308631][ T7727] ? p9_pollwait+0x182/0x210 [ 100.313220][ T7727] ? pipe_poll+0x80/0x300 [ 100.317550][ T7727] ? p9_fd_poll+0x19b/0x2a0 [ 100.322041][ T7727] ? p9_conn_create+0x399/0x4e0 [ 100.326937][ T7727] ? p9_conn_create+0x4e0/0x4e0 [ 100.331856][ T7727] p9_client_create+0x7ec/0x10e0 [ 100.337268][ T7727] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.343331][ T7727] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.349014][ T7727] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.355079][ T7727] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.361028][ T7727] ? __kmalloc_track_caller+0x60e/0x780 [ 100.366566][ T7727] ? __x64_sys_mount+0x169/0x1c0 [ 100.371637][ T7727] ? do_syscall_64+0xd0/0x600 [ 100.376301][ T7727] ? lockdep_init_map+0x1b6/0x6c0 [ 100.381321][ T7727] v9fs_session_init+0x1ed/0x14c0 [ 100.386335][ T7727] ? v9fs_session_init+0x1ed/0x14c0 [ 100.391519][ T7727] ? find_held_lock+0x36/0x1d0 [ 100.396273][ T7727] ? v9fs_show_options+0x6c0/0x6c0 [ 100.401372][ T7727] ? __kasan_check_read+0x11/0x20 [ 100.406464][ T7727] ? v9fs_mount+0x55/0x7f0 [ 100.410952][ T7727] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.416482][ T7727] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.422531][ T7727] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.428321][ T7727] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.433856][ T7727] ? apparmor_task_alloc+0x2f0/0x2f0 [ 100.439124][ T7727] v9fs_mount+0x72/0x7f0 [ 100.443369][ T7727] ? v9fs_write_inode+0x50/0x50 [ 100.448202][ T7727] legacy_get_tree+0x103/0x1f0 [ 100.452955][ T7727] vfs_get_tree+0x8b/0x2d0 [ 100.457356][ T7727] ? capable+0x14/0x20 [ 100.461761][ T7727] do_mount+0x1270/0x1b60 [ 100.466081][ T7727] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.471611][ T7727] ? copy_mount_string+0x20/0x20 [ 100.476537][ T7727] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.482067][ T7727] ? __kasan_check_write+0x14/0x20 [ 100.487158][ T7727] ? _copy_from_user+0xd6/0x110 [ 100.491993][ T7727] ? __kasan_check_read+0x11/0x20 [ 100.497004][ T7727] ? copy_mount_options+0x77/0x2c0 [ 100.502130][ T7727] __x64_sys_mount+0x169/0x1c0 [ 100.506883][ T7727] do_syscall_64+0xd0/0x600 [ 100.511372][ T7727] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.517251][ T7727] RIP: 0033:0x458da9 [ 100.521134][ T7727] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 100.540863][ T7727] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.549255][ T7727] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 100.557213][ T7727] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 100.565172][ T7727] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 100.573140][ T7727] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 100.581100][ T7727] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 100.589077][ T7721] CPU: 1 PID: 7721 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 100.596462][ T7731] FAULT_INJECTION: forcing a failure. [ 100.596462][ T7731] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 100.597670][ T7721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 100.620892][ T7721] Call Trace: [ 100.624173][ T7721] dump_stack+0x12d/0x187 [ 100.628491][ T7721] should_fail.cold.4+0x5/0x13 [ 100.633241][ T7721] ? stack_trace_save+0x82/0xb0 [ 100.638138][ T7721] ? fault_create_debugfs_attr+0x150/0x150 [ 100.643934][ T7721] __should_failslab+0xba/0xf0 [ 100.648821][ T7721] should_failslab+0x9/0x14 [ 100.653351][ T7721] kmem_cache_alloc+0x47/0x750 [ 100.658103][ T7721] ? __x64_sys_mount+0x169/0x1c0 [ 100.663123][ T7721] ? do_syscall_64+0xd0/0x600 [ 100.667837][ T7721] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 100.674239][ T7721] ? __kasan_check_read+0x11/0x20 [ 100.679256][ T7721] idr_get_free+0x35d/0x880 [ 100.683839][ T7721] ? __kasan_check_read+0x11/0x20 [ 100.688852][ T7721] idr_alloc_u32+0x13a/0x330 [ 100.693488][ T7721] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 100.699018][ T7721] ? mark_held_locks+0x130/0x130 [ 100.704028][ T7721] ? __kasan_check_write+0x14/0x20 [ 100.709178][ T7721] ? do_raw_spin_lock+0x132/0x2e0 [ 100.714188][ T7721] idr_alloc+0x7d/0xc0 [ 100.719194][ T7721] ? idr_alloc_u32+0x330/0x330 [ 100.723950][ T7721] p9_client_prepare_req.part.5+0x571/0x670 [ 100.729889][ T7721] p9_client_rpc+0x174/0xe50 [ 100.734476][ T7721] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 100.740267][ T7721] ? p9_client_prepare_req.part.5+0x670/0x670 [ 100.746327][ T7721] ? add_wait_queue+0x107/0x160 [ 100.751340][ T7721] ? p9_pollwait+0x182/0x210 [ 100.755976][ T7721] ? pipe_poll+0x80/0x300 [ 100.760294][ T7721] ? p9_fd_poll+0x19b/0x2a0 [ 100.764781][ T7721] ? p9_conn_create+0x399/0x4e0 [ 100.769617][ T7721] ? p9_conn_create+0x4e0/0x4e0 [ 100.774584][ T7721] p9_client_create+0x7ec/0x10e0 [ 100.779559][ T7721] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 100.785613][ T7721] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.791381][ T7721] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.798486][ T7721] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.804495][ T7721] ? __kmalloc_track_caller+0x60e/0x780 [ 100.810026][ T7721] ? __x64_sys_mount+0x169/0x1c0 [ 100.814952][ T7721] ? do_syscall_64+0xd0/0x600 [ 100.819614][ T7721] ? lockdep_init_map+0x1b6/0x6c0 [ 100.824635][ T7721] v9fs_session_init+0x1ed/0x14c0 [ 100.829644][ T7721] ? v9fs_session_init+0x1ed/0x14c0 [ 100.834842][ T7721] ? find_held_lock+0x36/0x1d0 [ 100.839595][ T7721] ? v9fs_show_options+0x6c0/0x6c0 [ 100.844695][ T7721] ? __kasan_check_read+0x11/0x20 [ 100.849706][ T7721] ? v9fs_mount+0x55/0x7f0 [ 100.854106][ T7721] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 100.859644][ T7721] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 100.865786][ T7721] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 100.871932][ T7721] ? kmem_cache_alloc_trace+0x39e/0x780 [ 100.877466][ T7721] ? apparmor_task_alloc+0x2f0/0x2f0 [ 100.882740][ T7721] v9fs_mount+0x72/0x7f0 [ 100.886968][ T7721] ? v9fs_write_inode+0x50/0x50 [ 100.892007][ T7721] legacy_get_tree+0x103/0x1f0 [ 100.896793][ T7721] vfs_get_tree+0x8b/0x2d0 [ 100.901221][ T7721] ? capable+0x14/0x20 [ 100.905432][ T7721] do_mount+0x1270/0x1b60 [ 100.909753][ T7721] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 100.915408][ T7721] ? copy_mount_string+0x20/0x20 [ 100.920393][ T7721] ? retint_kernel+0x2b/0x2b [ 100.924981][ T7721] ? copy_mount_options+0x1b3/0x2c0 [ 100.930171][ T7721] __x64_sys_mount+0x169/0x1c0 [ 100.934937][ T7721] do_syscall_64+0xd0/0x600 [ 100.942425][ T7721] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 100.948307][ T7721] RIP: 0033:0x458da9 [ 100.952274][ 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 [ 100.972830][ T7721] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 100.981297][ T7721] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 2019/12/18 21:49:15 executed programs: 114 [ 100.989257][ T7721] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 100.997626][ T7721] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.006107][ T7721] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 101.014071][ T7721] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.022056][ T7731] CPU: 0 PID: 7731 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 101.030656][ T7731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.041092][ T7731] Call Trace: [ 101.043704][ T7733] FAULT_INJECTION: forcing a failure. [ 101.043704][ T7733] name failslab, interval 1, probability 0, space 0, times 0 [ 101.044389][ T7731] dump_stack+0x12d/0x187 [ 101.044400][ T7731] should_fail.cold.4+0x5/0x13 [ 101.044408][ T7731] ? do_mount+0x1270/0x1b60 [ 101.044416][ T7731] ? fault_create_debugfs_attr+0x150/0x150 [ 101.044426][ T7731] ? find_held_lock+0x36/0x1d0 [ 101.044438][ T7731] should_fail_alloc_page+0x50/0x60 [ 101.086918][ T7731] __alloc_pages_nodemask+0x17f/0x890 [ 101.092287][ T7731] ? cache_grow_end+0xa8/0x190 [ 101.097047][ T7731] ? __alloc_pages_slowpath+0x2570/0x2570 [ 101.102761][ T7731] ? do_raw_spin_lock+0x132/0x2e0 [ 101.107867][ T7731] cache_grow_begin+0x92/0xca0 [ 101.112617][ T7731] ? __kmalloc+0xc5/0x790 [ 101.116941][ T7731] ? trace_hardirqs_off+0x41/0x1a0 [ 101.122229][ T7731] __kmalloc+0x6cd/0x790 [ 101.126921][ T7731] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 101.132296][ T7731] p9_fcall_init.isra.2+0x55/0x1c0 [ 101.137407][ T7731] p9_client_prepare_req.part.5+0x116/0x670 [ 101.143299][ T7731] p9_client_rpc+0x174/0xe50 [ 101.147883][ T7731] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 101.153681][ T7731] ? p9_client_prepare_req.part.5+0x670/0x670 [ 101.159804][ T7731] ? add_wait_queue+0x107/0x160 [ 101.164997][ T7731] ? p9_pollwait+0x182/0x210 [ 101.169649][ T7731] ? pipe_poll+0x80/0x300 [ 101.173971][ T7731] ? p9_fd_poll+0x19b/0x2a0 [ 101.178983][ T7731] ? p9_conn_create+0x399/0x4e0 [ 101.183962][ T7731] ? p9_conn_create+0x4e0/0x4e0 [ 101.188823][ T7731] p9_client_create+0x7ec/0x10e0 [ 101.193853][ T7731] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 101.200096][ T7731] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.205709][ T7731] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.211780][ T7731] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.218803][ T7731] ? __kmalloc_track_caller+0x60e/0x780 [ 101.224437][ T7731] ? __x64_sys_mount+0x169/0x1c0 [ 101.229364][ T7731] ? do_syscall_64+0xd0/0x600 [ 101.234032][ T7731] ? lockdep_init_map+0x1b6/0x6c0 [ 101.239090][ T7731] v9fs_session_init+0x1ed/0x14c0 [ 101.244110][ T7731] ? v9fs_session_init+0x1ed/0x14c0 [ 101.249308][ T7731] ? find_held_lock+0x36/0x1d0 [ 101.254156][ T7731] ? v9fs_show_options+0x6c0/0x6c0 [ 101.259257][ T7731] ? __kasan_check_read+0x11/0x20 [ 101.264271][ T7731] ? v9fs_mount+0x55/0x7f0 [ 101.268866][ T7731] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.274709][ T7731] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.280773][ T7731] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.286781][ T7731] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.292458][ T7731] ? apparmor_task_alloc+0x2f0/0x2f0 [ 101.297834][ T7731] v9fs_mount+0x72/0x7f0 [ 101.302160][ T7731] ? v9fs_write_inode+0x50/0x50 [ 101.307086][ T7731] legacy_get_tree+0x103/0x1f0 [ 101.311844][ T7731] vfs_get_tree+0x8b/0x2d0 [ 101.316262][ T7731] ? capable+0x14/0x20 [ 101.320632][ T7731] do_mount+0x1270/0x1b60 [ 101.324956][ T7731] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.330493][ T7731] ? copy_mount_string+0x20/0x20 [ 101.335427][ T7731] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.341089][ T7731] ? __kasan_check_write+0x14/0x20 [ 101.346209][ T7731] ? _copy_from_user+0xd6/0x110 [ 101.351196][ T7731] ? __kasan_check_read+0x11/0x20 [ 101.356216][ T7731] ? copy_mount_options+0x77/0x2c0 [ 101.361318][ T7731] __x64_sys_mount+0x169/0x1c0 [ 101.366073][ T7731] do_syscall_64+0xd0/0x600 [ 101.370867][ T7731] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.376756][ T7731] RIP: 0033:0x458da9 [ 101.380827][ T7731] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 101.400565][ T7731] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.409028][ T7731] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 101.416994][ T7731] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.425391][ T7731] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.433354][ T7731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 101.441318][ T7731] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.449452][ T7733] CPU: 1 PID: 7733 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 101.458747][ T7733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.458752][ T7733] Call Trace: [ 101.458765][ T7733] dump_stack+0x12d/0x187 [ 101.458774][ T7733] should_fail.cold.4+0x5/0x13 [ 101.458781][ T7733] ? fault_create_debugfs_attr+0x150/0x150 [ 101.458789][ T7733] ? ___might_sleep+0x16b/0x2b0 [ 101.458802][ T7733] __should_failslab+0xba/0xf0 [ 101.487194][ T7733] should_failslab+0x9/0x14 [ 101.487201][ T7733] __kmalloc+0x2eb/0x790 [ 101.487213][ T7733] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 101.511106][ T7733] p9_fcall_init.isra.2+0x55/0x1c0 [ 101.516216][ T7733] p9_client_prepare_req.part.5+0x116/0x670 [ 101.522103][ T7733] p9_client_rpc+0x174/0xe50 [ 101.526688][ T7733] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 101.532483][ T7733] ? p9_client_prepare_req.part.5+0x670/0x670 [ 101.538753][ T7733] ? add_wait_queue+0x107/0x160 [ 101.543599][ T7733] ? p9_pollwait+0x182/0x210 [ 101.548182][ T7733] ? pipe_poll+0x80/0x300 [ 101.552503][ T7733] ? p9_fd_poll+0x19b/0x2a0 [ 101.556995][ T7733] ? p9_conn_create+0x399/0x4e0 [ 101.561833][ T7733] ? p9_conn_create+0x4e0/0x4e0 [ 101.566677][ T7733] p9_client_create+0x7ec/0x10e0 [ 101.571606][ T7733] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 101.577665][ T7733] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.583193][ T7733] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.589424][ T7733] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.595222][ T7733] ? __kmalloc_track_caller+0x60e/0x780 [ 101.600840][ T7733] ? __x64_sys_mount+0x169/0x1c0 [ 101.605762][ T7733] ? do_syscall_64+0xd0/0x600 [ 101.610422][ T7733] ? lockdep_init_map+0x1b6/0x6c0 [ 101.615443][ T7733] v9fs_session_init+0x1ed/0x14c0 [ 101.620714][ T7733] ? v9fs_session_init+0x1ed/0x14c0 [ 101.625907][ T7733] ? find_held_lock+0x36/0x1d0 [ 101.630749][ T7733] ? v9fs_show_options+0x6c0/0x6c0 [ 101.635844][ T7733] ? __kasan_check_read+0x11/0x20 [ 101.640855][ T7733] ? v9fs_mount+0x55/0x7f0 [ 101.645345][ T7733] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.650876][ T7733] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.657015][ T7733] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.662814][ T7733] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.668344][ T7733] ? apparmor_task_alloc+0x2f0/0x2f0 [ 101.673792][ T7733] v9fs_mount+0x72/0x7f0 [ 101.678035][ T7733] ? v9fs_write_inode+0x50/0x50 [ 101.682988][ T7733] legacy_get_tree+0x103/0x1f0 [ 101.687759][ T7733] vfs_get_tree+0x8b/0x2d0 [ 101.692327][ T7733] ? capable+0x14/0x20 [ 101.696388][ T7733] do_mount+0x1270/0x1b60 [ 101.700973][ T7733] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.706592][ T7733] ? copy_mount_string+0x20/0x20 [ 101.711517][ T7733] ? kmem_cache_alloc_trace+0x39e/0x780 [ 101.717052][ T7733] ? __kasan_check_write+0x14/0x20 [ 101.722260][ T7733] ? _copy_from_user+0xd6/0x110 [ 101.727104][ T7733] ? __kasan_check_read+0x11/0x20 [ 101.732184][ T7733] ? copy_mount_options+0x77/0x2c0 [ 101.737375][ T7733] __x64_sys_mount+0x169/0x1c0 [ 101.742133][ T7733] do_syscall_64+0xd0/0x600 [ 101.746719][ T7733] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 101.752603][ T7733] RIP: 0033:0x458da9 [ 101.756487][ T7733] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 101.777062][ T7733] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 101.785548][ T7733] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 101.793513][ T7733] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 101.801520][ T7733] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 101.809623][ T7733] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 101.819236][ T7733] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 101.827485][ T7726] CPU: 0 PID: 7726 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 101.836084][ T7726] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 101.846145][ T7726] Call Trace: [ 101.849605][ T7726] dump_stack+0x12d/0x187 [ 101.852266][ T7739] FAULT_INJECTION: forcing a failure. [ 101.852266][ T7739] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 101.853940][ T7726] should_fail.cold.4+0x5/0x13 [ 101.871869][ T7726] ? fault_create_debugfs_attr+0x150/0x150 [ 101.877667][ T7726] ? ___might_sleep+0x16b/0x2b0 [ 101.882527][ T7726] __should_failslab+0xba/0xf0 [ 101.887454][ T7726] should_failslab+0x9/0x14 [ 101.892078][ T7726] __kmalloc+0x2eb/0x790 [ 101.896400][ T7726] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 101.901673][ T7726] p9_fcall_init.isra.2+0x55/0x1c0 [ 101.906778][ T7726] p9_client_prepare_req.part.5+0x116/0x670 [ 101.912843][ T7726] p9_client_rpc+0x174/0xe50 [ 101.917426][ T7726] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 101.923222][ T7726] ? p9_client_prepare_req.part.5+0x670/0x670 [ 101.929421][ T7726] ? add_wait_queue+0x107/0x160 [ 101.934298][ T7726] ? p9_pollwait+0x182/0x210 [ 101.938971][ T7726] ? pipe_poll+0x80/0x300 [ 101.943294][ T7726] ? p9_fd_poll+0x19b/0x2a0 [ 101.947784][ T7726] ? p9_conn_create+0x399/0x4e0 [ 101.952628][ T7726] ? p9_conn_create+0x4e0/0x4e0 [ 101.958680][ T7726] p9_client_create+0x7ec/0x10e0 [ 101.963634][ T7726] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 101.969832][ T7726] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 101.975547][ T7726] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 101.981841][ T7726] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 101.987781][ T7726] ? __kmalloc_track_caller+0x60e/0x780 [ 101.993322][ T7726] ? __x64_sys_mount+0x169/0x1c0 [ 101.998341][ T7726] ? do_syscall_64+0xd0/0x600 [ 102.003092][ T7726] ? lockdep_init_map+0x1b6/0x6c0 [ 102.008198][ T7726] v9fs_session_init+0x1ed/0x14c0 [ 102.013243][ T7726] ? v9fs_session_init+0x1ed/0x14c0 [ 102.018449][ T7726] ? find_held_lock+0x36/0x1d0 [ 102.023201][ T7726] ? v9fs_show_options+0x6c0/0x6c0 [ 102.028342][ T7726] ? __kasan_check_read+0x11/0x20 [ 102.033361][ T7726] ? v9fs_mount+0x55/0x7f0 [ 102.037765][ T7726] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.043300][ T7726] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.049354][ T7726] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.055152][ T7726] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.060687][ T7726] ? apparmor_task_alloc+0x2f0/0x2f0 [ 102.066185][ T7726] v9fs_mount+0x72/0x7f0 [ 102.070523][ T7726] ? v9fs_write_inode+0x50/0x50 [ 102.075388][ T7726] legacy_get_tree+0x103/0x1f0 [ 102.080410][ T7726] vfs_get_tree+0x8b/0x2d0 [ 102.084820][ T7726] ? capable+0x14/0x20 [ 102.089320][ T7726] do_mount+0x1270/0x1b60 [ 102.093731][ T7726] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.099336][ T7726] ? copy_mount_string+0x20/0x20 [ 102.104281][ T7726] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.109816][ T7726] ? __kasan_check_write+0x14/0x20 [ 102.114976][ T7726] ? _copy_from_user+0xd6/0x110 [ 102.119819][ T7726] ? __kasan_check_read+0x11/0x20 [ 102.124829][ T7726] ? copy_mount_options+0x77/0x2c0 [ 102.130103][ T7726] __x64_sys_mount+0x169/0x1c0 [ 102.134945][ T7726] do_syscall_64+0xd0/0x600 [ 102.139438][ T7726] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.145367][ T7726] RIP: 0033:0x458da9 [ 102.149613][ T7726] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.169824][ T7726] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.178319][ T7726] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 102.186290][ T7726] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 102.194252][ T7726] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 102.202213][ T7726] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 102.210260][ T7726] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 102.218373][ T7739] CPU: 1 PID: 7739 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 102.226969][ T7739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.226973][ T7739] Call Trace: [ 102.226984][ T7739] dump_stack+0x12d/0x187 [ 102.226994][ T7739] should_fail.cold.4+0x5/0x13 [ 102.227001][ T7739] ? do_mount+0x1270/0x1b60 [ 102.227007][ T7739] ? fault_create_debugfs_attr+0x150/0x150 [ 102.227017][ T7739] ? find_held_lock+0x36/0x1d0 [ 102.240430][ T7739] should_fail_alloc_page+0x50/0x60 [ 102.265348][ T7739] __alloc_pages_nodemask+0x17f/0x890 [ 102.276115][ T7739] ? cache_grow_end+0xa8/0x190 [ 102.276122][ T7739] ? __alloc_pages_slowpath+0x2570/0x2570 [ 102.276128][ T7739] ? do_raw_spin_lock+0x132/0x2e0 [ 102.276141][ T7739] cache_grow_begin+0x92/0xca0 [ 102.276145][ T7739] ? __kmalloc+0xc5/0x790 [ 102.276153][ T7739] ? trace_hardirqs_off+0x41/0x1a0 [ 102.276159][ T7739] __kmalloc+0x6cd/0x790 [ 102.276169][ T7739] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 102.276176][ T7739] p9_fcall_init.isra.2+0x55/0x1c0 [ 102.276184][ T7739] p9_client_prepare_req.part.5+0x116/0x670 [ 102.276193][ T7739] p9_client_rpc+0x174/0xe50 [ 102.276202][ T7739] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 102.276208][ T7739] ? p9_client_prepare_req.part.5+0x670/0x670 [ 102.306646][ T7739] ? add_wait_queue+0x107/0x160 [ 102.306657][ T7739] ? p9_pollwait+0x182/0x210 [ 102.306665][ T7739] ? pipe_poll+0x80/0x300 [ 102.306672][ T7739] ? p9_fd_poll+0x19b/0x2a0 [ 102.306678][ T7739] ? p9_conn_create+0x399/0x4e0 [ 102.306686][ T7739] ? p9_conn_create+0x4e0/0x4e0 [ 102.306703][ T7739] p9_client_create+0x7ec/0x10e0 [ 102.306715][ T7739] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 102.306720][ T7739] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.306725][ T7739] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.306731][ T7739] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.306740][ T7739] ? __kmalloc_track_caller+0x60e/0x780 [ 102.306748][ T7739] ? __x64_sys_mount+0x169/0x1c0 [ 102.306755][ T7739] ? do_syscall_64+0xd0/0x600 [ 102.306760][ T7739] ? lockdep_init_map+0x1b6/0x6c0 [ 102.306775][ T7739] v9fs_session_init+0x1ed/0x14c0 [ 102.325855][ T7745] FAULT_INJECTION: forcing a failure. [ 102.325855][ T7745] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 102.328213][ T7739] ? v9fs_session_init+0x1ed/0x14c0 [ 102.444642][ T7739] ? find_held_lock+0x36/0x1d0 [ 102.449420][ T7739] ? v9fs_show_options+0x6c0/0x6c0 [ 102.454536][ T7739] ? __kasan_check_read+0x11/0x20 [ 102.459554][ T7739] ? v9fs_mount+0x55/0x7f0 [ 102.464068][ T7739] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.469869][ T7739] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.475934][ T7739] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.481766][ T7739] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.487311][ T7739] ? apparmor_task_alloc+0x2f0/0x2f0 [ 102.492630][ T7739] v9fs_mount+0x72/0x7f0 [ 102.496945][ T7739] ? v9fs_write_inode+0x50/0x50 [ 102.501788][ T7739] legacy_get_tree+0x103/0x1f0 [ 102.506540][ T7739] vfs_get_tree+0x8b/0x2d0 [ 102.512243][ T7739] ? capable+0x14/0x20 [ 102.516362][ T7739] do_mount+0x1270/0x1b60 [ 102.520677][ T7739] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 102.526124][ T7739] ? copy_mount_string+0x20/0x20 [ 102.531221][ T7739] ? retint_kernel+0x2b/0x2b [ 102.535807][ T7739] ? copy_mount_options+0x1b3/0x2c0 [ 102.541084][ T7739] __x64_sys_mount+0x169/0x1c0 [ 102.545835][ T7739] do_syscall_64+0xd0/0x600 [ 102.550324][ T7739] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.556387][ T7739] RIP: 0033:0x458da9 [ 102.560337][ T7739] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.580018][ T7739] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.588429][ T7739] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 102.596434][ T7739] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 102.604392][ T7739] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 102.612354][ T7739] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 102.620324][ T7739] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 102.628306][ T7745] CPU: 0 PID: 7745 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 102.636906][ T7745] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.646966][ T7745] Call Trace: [ 102.646979][ T7745] dump_stack+0x12d/0x187 [ 102.646989][ T7745] should_fail.cold.4+0x5/0x13 [ 102.646995][ T7745] ? do_mount+0x1270/0x1b60 [ 102.647002][ T7745] ? fault_create_debugfs_attr+0x150/0x150 [ 102.647008][ T7745] ? __schedule+0x85e/0x1910 [ 102.647019][ T7745] should_fail_alloc_page+0x50/0x60 [ 102.647026][ T7745] __alloc_pages_nodemask+0x17f/0x890 [ 102.655343][ T7745] ? __alloc_pages_slowpath+0x2570/0x2570 [ 102.655358][ T7745] cache_grow_begin+0x92/0xca0 [ 102.655363][ T7745] ? __kmalloc+0xc5/0x790 [ 102.655371][ T7745] ? trace_hardirqs_off+0x41/0x1a0 [ 102.655377][ T7745] __kmalloc+0x6cd/0x790 [ 102.655387][ T7745] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 102.655397][ T7745] p9_fcall_init.isra.2+0x55/0x1c0 [ 102.664650][ T7745] p9_client_prepare_req.part.5+0x116/0x670 [ 102.664660][ T7745] p9_client_rpc+0x174/0xe50 [ 102.664670][ T7745] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 102.664676][ T7745] ? p9_client_prepare_req.part.5+0x670/0x670 [ 102.664683][ T7745] ? add_wait_queue+0x107/0x160 [ 102.664690][ T7745] ? p9_pollwait+0x182/0x210 [ 102.664698][ T7745] ? pipe_poll+0x80/0x300 [ 102.664706][ T7745] ? p9_fd_poll+0x19b/0x2a0 [ 102.675075][ T7745] ? p9_conn_create+0x399/0x4e0 [ 102.675083][ T7745] ? p9_conn_create+0x4e0/0x4e0 [ 102.675095][ T7745] p9_client_create+0x7ec/0x10e0 [ 102.675107][ T7745] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 102.675112][ T7745] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.675117][ T7745] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.675123][ T7745] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.675133][ T7745] ? __kmalloc_track_caller+0x60e/0x780 [ 102.686329][ T7745] ? __x64_sys_mount+0x169/0x1c0 [ 102.686336][ T7745] ? do_syscall_64+0xd0/0x600 [ 102.686341][ T7745] ? lockdep_init_map+0x1b6/0x6c0 [ 102.686355][ T7745] v9fs_session_init+0x1ed/0x14c0 [ 102.686359][ T7745] ? v9fs_session_init+0x1ed/0x14c0 [ 102.686368][ T7745] ? find_held_lock+0x36/0x1d0 [ 102.686379][ T7745] ? v9fs_show_options+0x6c0/0x6c0 [ 102.697014][ T7745] ? __kasan_check_read+0x11/0x20 [ 102.697023][ T7745] ? v9fs_mount+0x55/0x7f0 [ 102.697029][ T7745] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 102.697034][ T7745] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 102.697040][ T7745] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 102.697049][ T7745] ? kmem_cache_alloc_trace+0x39e/0x780 [ 102.697058][ T7745] ? apparmor_task_alloc+0x2f0/0x2f0 [ 102.697066][ T7745] v9fs_mount+0x72/0x7f0 [ 102.706579][ T7745] ? v9fs_write_inode+0x50/0x50 [ 102.706586][ T7745] legacy_get_tree+0x103/0x1f0 [ 102.706596][ T7745] vfs_get_tree+0x8b/0x2d0 [ 102.706602][ T7745] ? capable+0x14/0x20 [ 102.706610][ T7745] do_mount+0x1270/0x1b60 [ 102.706617][ T7745] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 102.706625][ T7745] ? copy_mount_string+0x20/0x20 [ 102.744421][ T7750] FAULT_INJECTION: forcing a failure. [ 102.744421][ T7750] name failslab, interval 1, probability 0, space 0, times 0 [ 102.748552][ T7745] ? retint_kernel+0x2b/0x2b [ 102.940339][ T7745] ? copy_mount_options+0x1b3/0x2c0 [ 102.945581][ T7745] __x64_sys_mount+0x169/0x1c0 [ 102.950335][ T7745] do_syscall_64+0xd0/0x600 [ 102.954829][ T7745] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.960709][ T7745] RIP: 0033:0x458da9 [ 102.964600][ T7745] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 102.984715][ T7745] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 102.993301][ T7745] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 103.001557][ T7745] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 103.009519][ T7745] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.017479][ T7745] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 103.025448][ T7745] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.033428][ T7750] CPU: 1 PID: 7750 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 103.042272][ T7750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.052878][ T7750] Call Trace: [ 103.056177][ T7750] dump_stack+0x12d/0x187 [ 103.060524][ T7750] should_fail.cold.4+0x5/0x13 [ 103.065298][ T7750] ? stack_trace_save+0x82/0xb0 [ 103.070281][ T7750] ? fault_create_debugfs_attr+0x150/0x150 [ 103.071207][ T7755] FAULT_INJECTION: forcing a failure. [ 103.071207][ T7755] name failslab, interval 1, probability 0, space 0, times 0 [ 103.076947][ T7750] __should_failslab+0xba/0xf0 [ 103.076956][ T7750] should_failslab+0x9/0x14 [ 103.076962][ T7750] kmem_cache_alloc+0x47/0x750 [ 103.076968][ T7750] ? __x64_sys_mount+0x169/0x1c0 [ 103.076974][ T7750] ? do_syscall_64+0xd0/0x600 [ 103.076986][ T7750] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 103.076992][ T7750] ? __kasan_check_read+0x11/0x20 [ 103.076999][ T7750] idr_get_free+0x35d/0x880 [ 103.077010][ T7750] ? __kasan_check_read+0x11/0x20 [ 103.077019][ T7750] idr_alloc_u32+0x13a/0x330 [ 103.077028][ T7750] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 103.097759][ T7757] FAULT_INJECTION: forcing a failure. [ 103.097759][ T7757] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 103.099263][ T7750] ? mark_held_locks+0x130/0x130 [ 103.164065][ T7750] ? __kasan_check_write+0x14/0x20 [ 103.169171][ T7750] ? do_raw_spin_lock+0x132/0x2e0 [ 103.174192][ T7750] idr_alloc+0x7d/0xc0 [ 103.182763][ T7750] ? idr_alloc_u32+0x330/0x330 [ 103.187602][ T7750] p9_client_prepare_req.part.5+0x571/0x670 [ 103.193571][ T7750] p9_client_rpc+0x174/0xe50 [ 103.198153][ T7750] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 103.203944][ T7750] ? p9_client_prepare_req.part.5+0x670/0x670 [ 103.209999][ T7750] ? add_wait_queue+0x107/0x160 [ 103.214976][ T7750] ? p9_pollwait+0x182/0x210 [ 103.219553][ T7750] ? pipe_poll+0x80/0x300 [ 103.223988][ T7750] ? p9_fd_poll+0x19b/0x2a0 [ 103.228500][ T7750] ? p9_conn_create+0x399/0x4e0 [ 103.233361][ T7750] ? p9_conn_create+0x4e0/0x4e0 [ 103.238214][ T7750] p9_client_create+0x7ec/0x10e0 [ 103.243373][ T7750] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 103.249750][ T7750] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.255860][ T7750] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.262098][ T7750] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.267987][ T7750] ? __kmalloc_track_caller+0x60e/0x780 [ 103.273607][ T7750] ? __x64_sys_mount+0x169/0x1c0 [ 103.278616][ T7750] ? do_syscall_64+0xd0/0x600 [ 103.283279][ T7750] ? lockdep_init_map+0x1b6/0x6c0 [ 103.288296][ T7750] v9fs_session_init+0x1ed/0x14c0 [ 103.293455][ T7750] ? v9fs_session_init+0x1ed/0x14c0 [ 103.298700][ T7750] ? find_held_lock+0x36/0x1d0 [ 103.303457][ T7750] ? v9fs_show_options+0x6c0/0x6c0 [ 103.309836][ T7750] ? __kasan_check_read+0x11/0x20 [ 103.314951][ T7750] ? v9fs_mount+0x55/0x7f0 [ 103.319379][ T7750] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.325123][ T7750] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.331182][ T7750] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.336990][ T7750] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.342611][ T7750] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.347883][ T7750] v9fs_mount+0x72/0x7f0 [ 103.352115][ T7750] ? v9fs_write_inode+0x50/0x50 [ 103.356985][ T7750] legacy_get_tree+0x103/0x1f0 [ 103.361824][ T7750] vfs_get_tree+0x8b/0x2d0 [ 103.366223][ T7750] ? capable+0x14/0x20 [ 103.370282][ T7750] do_mount+0x1270/0x1b60 [ 103.374604][ T7750] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.380311][ T7750] ? copy_mount_string+0x20/0x20 [ 103.385237][ T7750] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.390770][ T7750] ? __kasan_check_write+0x14/0x20 [ 103.395867][ T7750] ? _copy_from_user+0xd6/0x110 [ 103.400716][ T7750] ? __kasan_check_read+0x11/0x20 [ 103.405987][ T7750] ? copy_mount_options+0x77/0x2c0 [ 103.411085][ T7750] __x64_sys_mount+0x169/0x1c0 [ 103.415840][ T7750] do_syscall_64+0xd0/0x600 [ 103.420331][ T7750] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.426258][ T7750] RIP: 0033:0x458da9 [ 103.430146][ T7750] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.451529][ T7750] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 103.460066][ T7750] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 103.468029][ T7750] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 103.476197][ T7750] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.484302][ T7750] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 103.492578][ T7750] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.500577][ T7757] CPU: 0 PID: 7757 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 103.509559][ T7757] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.519609][ T7757] Call Trace: [ 103.519621][ T7757] dump_stack+0x12d/0x187 [ 103.519631][ T7757] should_fail.cold.4+0x5/0x13 [ 103.519642][ T7757] ? do_mount+0x1270/0x1b60 [ 103.519653][ T7757] ? fault_create_debugfs_attr+0x150/0x150 [ 103.519664][ T7757] ? find_held_lock+0x36/0x1d0 [ 103.519672][ T7757] should_fail_alloc_page+0x50/0x60 [ 103.519678][ T7757] __alloc_pages_nodemask+0x17f/0x890 [ 103.519686][ T7757] ? cache_grow_end+0xa8/0x190 [ 103.543719][ T7763] FAULT_INJECTION: forcing a failure. [ 103.543719][ T7763] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 103.547595][ T7757] ? __alloc_pages_slowpath+0x2570/0x2570 [ 103.583547][ T7757] ? do_raw_spin_lock+0x132/0x2e0 [ 103.588706][ T7757] cache_grow_begin+0x92/0xca0 [ 103.593473][ T7757] ? __kmalloc+0xc5/0x790 [ 103.597795][ T7757] ? trace_hardirqs_off+0x41/0x1a0 [ 103.602894][ T7757] __kmalloc+0x6cd/0x790 [ 103.607305][ T7757] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 103.612581][ T7757] p9_fcall_init.isra.2+0x55/0x1c0 [ 103.617746][ T7757] p9_client_prepare_req.part.5+0x116/0x670 [ 103.623627][ T7757] p9_client_rpc+0x174/0xe50 [ 103.628296][ T7757] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 103.634195][ T7757] ? p9_client_prepare_req.part.5+0x670/0x670 [ 103.640294][ T7757] ? add_wait_queue+0x107/0x160 [ 103.645134][ T7757] ? p9_pollwait+0x182/0x210 [ 103.649714][ T7757] ? pipe_poll+0x80/0x300 [ 103.654028][ T7757] ? p9_fd_poll+0x19b/0x2a0 [ 103.658516][ T7757] ? p9_conn_create+0x399/0x4e0 [ 103.663400][ T7757] ? p9_conn_create+0x4e0/0x4e0 [ 103.668241][ T7757] p9_client_create+0x7ec/0x10e0 [ 103.673167][ T7757] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 103.679217][ T7757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.684745][ T7757] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.690851][ T7757] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.696658][ T7757] ? __kmalloc_track_caller+0x60e/0x780 [ 103.702193][ T7757] ? __x64_sys_mount+0x169/0x1c0 [ 103.707197][ T7757] ? do_syscall_64+0xd0/0x600 [ 103.711853][ T7757] ? lockdep_init_map+0x1b6/0x6c0 [ 103.716864][ T7757] v9fs_session_init+0x1ed/0x14c0 [ 103.721980][ T7757] ? v9fs_session_init+0x1ed/0x14c0 [ 103.727200][ T7757] ? find_held_lock+0x36/0x1d0 [ 103.732041][ T7757] ? v9fs_show_options+0x6c0/0x6c0 [ 103.737133][ T7757] ? __kasan_check_read+0x11/0x20 [ 103.742145][ T7757] ? v9fs_mount+0x55/0x7f0 [ 103.746538][ T7757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.752060][ T7757] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 103.758105][ T7757] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 103.763892][ T7757] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.769414][ T7757] ? apparmor_task_alloc+0x2f0/0x2f0 [ 103.774674][ T7757] v9fs_mount+0x72/0x7f0 [ 103.778901][ T7757] ? v9fs_write_inode+0x50/0x50 [ 103.783729][ T7757] legacy_get_tree+0x103/0x1f0 [ 103.788485][ T7757] vfs_get_tree+0x8b/0x2d0 [ 103.792883][ T7757] ? capable+0x14/0x20 [ 103.797544][ T7757] do_mount+0x1270/0x1b60 [ 103.801847][ T7757] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 103.807364][ T7757] ? copy_mount_string+0x20/0x20 [ 103.812276][ T7757] ? kmem_cache_alloc_trace+0x39e/0x780 [ 103.817793][ T7757] ? __kasan_check_write+0x14/0x20 [ 103.822874][ T7757] ? _copy_from_user+0xd6/0x110 [ 103.827698][ T7757] ? __kasan_check_read+0x11/0x20 [ 103.832693][ T7757] ? copy_mount_options+0x77/0x2c0 [ 103.837774][ T7757] __x64_sys_mount+0x169/0x1c0 [ 103.842510][ T7757] do_syscall_64+0xd0/0x600 [ 103.847009][ T7757] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.852874][ T7757] RIP: 0033:0x458da9 [ 103.856741][ T7757] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.876319][ T7757] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 103.884701][ T7757] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 103.892657][ T7757] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 103.900601][ T7757] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 103.908632][ T7757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 103.916586][ T7757] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 103.924558][ T7763] CPU: 1 PID: 7763 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 103.933138][ T7763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 103.943284][ T7763] Call Trace: [ 103.946555][ T7763] dump_stack+0x12d/0x187 [ 103.950861][ T7763] should_fail.cold.4+0x5/0x13 [ 103.955597][ T7763] ? do_mount+0x1270/0x1b60 [ 103.960080][ T7763] ? fault_create_debugfs_attr+0x150/0x150 [ 103.965861][ T7763] ? find_held_lock+0x36/0x1d0 [ 103.970602][ T7763] should_fail_alloc_page+0x50/0x60 [ 103.975777][ T7763] __alloc_pages_nodemask+0x17f/0x890 [ 103.981126][ T7763] ? cache_grow_end+0xa8/0x190 [ 103.985872][ T7763] ? __alloc_pages_slowpath+0x2570/0x2570 [ 103.991570][ T7763] ? do_raw_spin_lock+0x132/0x2e0 [ 103.996588][ T7763] cache_grow_begin+0x92/0xca0 [ 104.001347][ T7763] ? __kmalloc+0xc5/0x790 [ 104.005678][ T7763] ? trace_hardirqs_off+0x41/0x1a0 [ 104.010775][ T7763] __kmalloc+0x6cd/0x790 [ 104.011272][ T7767] FAULT_INJECTION: forcing a failure. [ 104.011272][ T7767] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 104.014997][ T7763] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 104.033420][ T7763] p9_fcall_init.isra.2+0x55/0x1c0 [ 104.038591][ T7763] p9_client_prepare_req.part.5+0x116/0x670 [ 104.044459][ T7763] p9_client_rpc+0x174/0xe50 [ 104.049054][ T7763] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 104.054832][ T7763] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.060867][ T7763] ? add_wait_queue+0x107/0x160 [ 104.065688][ T7763] ? p9_pollwait+0x182/0x210 [ 104.070272][ T7763] ? pipe_poll+0x80/0x300 [ 104.074577][ T7763] ? p9_fd_poll+0x19b/0x2a0 [ 104.079056][ T7763] ? p9_conn_create+0x399/0x4e0 [ 104.083881][ T7763] ? p9_conn_create+0x4e0/0x4e0 [ 104.088708][ T7763] p9_client_create+0x7ec/0x10e0 [ 104.093624][ T7763] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.099664][ T7763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.105181][ T7763] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.111224][ T7763] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.117118][ T7763] ? __kmalloc_track_caller+0x60e/0x780 [ 104.122645][ T7763] ? __x64_sys_mount+0x169/0x1c0 [ 104.127586][ T7763] ? do_syscall_64+0xd0/0x600 [ 104.132252][ T7763] ? lockdep_init_map+0x1b6/0x6c0 [ 104.137259][ T7763] v9fs_session_init+0x1ed/0x14c0 [ 104.142256][ T7763] ? v9fs_session_init+0x1ed/0x14c0 [ 104.147429][ T7763] ? find_held_lock+0x36/0x1d0 [ 104.152171][ T7763] ? v9fs_show_options+0x6c0/0x6c0 [ 104.157254][ T7763] ? __kasan_check_read+0x11/0x20 [ 104.162249][ T7763] ? v9fs_mount+0x55/0x7f0 [ 104.166638][ T7763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.172153][ T7763] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.178190][ T7763] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.183972][ T7763] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.189490][ T7763] ? apparmor_task_alloc+0x2f0/0x2f0 [ 104.194749][ T7763] v9fs_mount+0x72/0x7f0 [ 104.199030][ T7763] ? v9fs_write_inode+0x50/0x50 [ 104.203850][ T7763] legacy_get_tree+0x103/0x1f0 [ 104.208591][ T7763] vfs_get_tree+0x8b/0x2d0 [ 104.212978][ T7763] ? capable+0x14/0x20 [ 104.217038][ T7763] do_mount+0x1270/0x1b60 [ 104.221350][ T7763] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.226885][ T7763] ? copy_mount_string+0x20/0x20 [ 104.231816][ T7763] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.237344][ T7763] ? __kasan_check_write+0x14/0x20 [ 104.242436][ T7763] ? _copy_from_user+0xd6/0x110 [ 104.247275][ T7763] ? __kasan_check_read+0x11/0x20 [ 104.252291][ T7763] ? copy_mount_options+0x77/0x2c0 [ 104.257377][ T7763] __x64_sys_mount+0x169/0x1c0 [ 104.262118][ T7763] do_syscall_64+0xd0/0x600 [ 104.266594][ T7763] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.272990][ T7763] RIP: 0033:0x458da9 [ 104.276862][ 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 [ 104.296439][ T7763] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.304835][ T7763] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 104.312802][ T7763] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 104.320788][ T7763] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 104.328754][ T7763] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 104.337667][ T7763] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 104.345632][ T7767] CPU: 0 PID: 7767 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 104.349114][ T7761] FAULT_INJECTION: forcing a failure. [ 104.349114][ T7761] name failslab, interval 1, probability 0, space 0, times 0 [ 104.354551][ T7767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.354555][ T7767] Call Trace: [ 104.354568][ T7767] dump_stack+0x12d/0x187 [ 104.354578][ T7767] should_fail.cold.4+0x5/0x13 [ 104.354584][ T7767] ? do_mount+0x1270/0x1b60 [ 104.354591][ T7767] ? fault_create_debugfs_attr+0x150/0x150 [ 104.354601][ T7767] ? find_held_lock+0x36/0x1d0 [ 104.368421][ T7759] FAULT_INJECTION: forcing a failure. [ 104.368421][ T7759] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 104.377209][ T7767] should_fail_alloc_page+0x50/0x60 [ 104.422855][ T7767] __alloc_pages_nodemask+0x17f/0x890 [ 104.428201][ T7767] ? cache_grow_end+0xa8/0x190 [ 104.432954][ T7767] ? __alloc_pages_slowpath+0x2570/0x2570 [ 104.438649][ T7767] ? do_raw_spin_lock+0x132/0x2e0 [ 104.443662][ T7767] cache_grow_begin+0x92/0xca0 [ 104.448401][ T7767] ? __kmalloc+0xc5/0x790 [ 104.452712][ T7767] ? trace_hardirqs_off+0x41/0x1a0 [ 104.457800][ T7767] __kmalloc+0x6cd/0x790 [ 104.462031][ T7767] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 104.467305][ T7767] p9_fcall_init.isra.2+0x55/0x1c0 [ 104.472417][ T7767] p9_client_prepare_req.part.5+0x116/0x670 [ 104.478315][ T7767] p9_client_rpc+0x174/0xe50 [ 104.483593][ T7767] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 104.489383][ T7767] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.495433][ T7767] ? add_wait_queue+0x107/0x160 [ 104.500261][ T7767] ? p9_pollwait+0x182/0x210 [ 104.504873][ T7767] ? pipe_poll+0x80/0x300 [ 104.510425][ T7767] ? p9_fd_poll+0x19b/0x2a0 [ 104.514904][ T7767] ? p9_conn_create+0x399/0x4e0 [ 104.519746][ T7767] ? p9_conn_create+0x4e0/0x4e0 [ 104.524576][ T7767] p9_client_create+0x7ec/0x10e0 [ 104.529491][ T7767] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.535532][ T7767] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.541054][ T7767] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.547211][ T7767] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.553011][ T7767] ? __kmalloc_track_caller+0x60e/0x780 [ 104.558535][ T7767] ? __x64_sys_mount+0x169/0x1c0 [ 104.563452][ T7767] ? do_syscall_64+0xd0/0x600 [ 104.568103][ T7767] ? lockdep_init_map+0x1b6/0x6c0 [ 104.573115][ T7767] v9fs_session_init+0x1ed/0x14c0 [ 104.578114][ T7767] ? v9fs_session_init+0x1ed/0x14c0 [ 104.583287][ T7767] ? find_held_lock+0x36/0x1d0 [ 104.588040][ T7767] ? v9fs_show_options+0x6c0/0x6c0 [ 104.593127][ T7767] ? __kasan_check_read+0x11/0x20 [ 104.598131][ T7767] ? v9fs_mount+0x55/0x7f0 [ 104.602525][ T7767] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.608051][ T7767] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.614098][ T7767] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.619886][ T7767] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.625403][ T7767] ? apparmor_task_alloc+0x2f0/0x2f0 [ 104.630657][ T7767] v9fs_mount+0x72/0x7f0 [ 104.634876][ T7767] ? v9fs_write_inode+0x50/0x50 [ 104.639698][ T7767] legacy_get_tree+0x103/0x1f0 [ 104.644437][ T7767] vfs_get_tree+0x8b/0x2d0 [ 104.648843][ T7767] ? capable+0x14/0x20 [ 104.652920][ T7767] do_mount+0x1270/0x1b60 [ 104.657237][ T7767] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.662767][ T7767] ? copy_mount_string+0x20/0x20 [ 104.667780][ T7767] ? kmem_cache_alloc_trace+0x39e/0x780 [ 104.673312][ T7767] ? __kasan_check_write+0x14/0x20 [ 104.678399][ T7767] ? _copy_from_user+0xd6/0x110 [ 104.683225][ T7767] ? __kasan_check_read+0x11/0x20 [ 104.688233][ T7767] ? copy_mount_options+0x77/0x2c0 [ 104.693320][ T7767] __x64_sys_mount+0x169/0x1c0 [ 104.698065][ T7767] do_syscall_64+0xd0/0x600 [ 104.702547][ T7767] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 104.708509][ T7767] RIP: 0033:0x458da9 [ 104.712379][ T7767] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 104.731972][ T7767] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 104.740360][ T7767] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 104.748328][ T7767] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 104.756273][ T7767] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 104.764233][ T7767] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 104.772183][ T7767] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 104.780861][ T7759] CPU: 1 PID: 7759 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 104.789440][ T7759] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.799480][ T7759] Call Trace: [ 104.802750][ T7759] dump_stack+0x12d/0x187 [ 104.807076][ T7759] should_fail.cold.4+0x5/0x13 [ 104.811824][ T7759] ? do_mount+0x1270/0x1b60 [ 104.816321][ T7759] ? fault_create_debugfs_attr+0x150/0x150 [ 104.822117][ T7759] ? find_held_lock+0x36/0x1d0 [ 104.826862][ T7759] should_fail_alloc_page+0x50/0x60 [ 104.826868][ T7759] __alloc_pages_nodemask+0x17f/0x890 [ 104.826875][ T7759] ? cache_grow_end+0xa8/0x190 [ 104.826881][ T7759] ? __alloc_pages_slowpath+0x2570/0x2570 [ 104.826887][ T7759] ? do_raw_spin_lock+0x132/0x2e0 [ 104.826901][ T7759] cache_grow_begin+0x92/0xca0 [ 104.826905][ T7759] ? __kmalloc+0xc5/0x790 [ 104.826912][ T7759] ? trace_hardirqs_off+0x41/0x1a0 [ 104.826923][ T7759] __kmalloc+0x6cd/0x790 [ 104.852881][ T7759] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 104.876502][ T7759] p9_fcall_init.isra.2+0x55/0x1c0 [ 104.881612][ T7759] p9_client_prepare_req.part.5+0x116/0x670 [ 104.887495][ T7759] p9_client_rpc+0x174/0xe50 [ 104.892149][ T7759] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 104.897928][ T7759] ? p9_client_prepare_req.part.5+0x670/0x670 [ 104.905183][ T7759] ? add_wait_queue+0x107/0x160 [ 104.910012][ T7759] ? p9_pollwait+0x182/0x210 [ 104.914575][ T7759] ? pipe_poll+0x80/0x300 [ 104.918888][ T7759] ? p9_fd_poll+0x19b/0x2a0 [ 104.923368][ T7759] ? p9_conn_create+0x399/0x4e0 [ 104.928196][ T7759] ? p9_conn_create+0x4e0/0x4e0 [ 104.933043][ T7759] p9_client_create+0x7ec/0x10e0 [ 104.937966][ T7759] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 104.944016][ T7759] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 104.949530][ T7759] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 104.955571][ T7759] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 104.961364][ T7759] ? __kmalloc_track_caller+0x60e/0x780 [ 104.967838][ T7759] ? __x64_sys_mount+0x169/0x1c0 [ 104.972758][ T7759] ? do_syscall_64+0xd0/0x600 [ 104.977408][ T7759] ? lockdep_init_map+0x1b6/0x6c0 [ 104.982410][ T7759] v9fs_session_init+0x1ed/0x14c0 [ 104.987412][ T7759] ? v9fs_session_init+0x1ed/0x14c0 [ 104.992587][ T7759] ? find_held_lock+0x36/0x1d0 [ 104.997333][ T7759] ? v9fs_show_options+0x6c0/0x6c0 [ 105.002424][ T7759] ? __kasan_check_read+0x11/0x20 [ 105.007427][ T7759] ? v9fs_mount+0x55/0x7f0 [ 105.011819][ T7759] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.017338][ T7759] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.023385][ T7759] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.029169][ T7759] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.034686][ T7759] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.039947][ T7759] v9fs_mount+0x72/0x7f0 [ 105.044164][ T7759] ? v9fs_write_inode+0x50/0x50 [ 105.048995][ T7759] legacy_get_tree+0x103/0x1f0 [ 105.053741][ T7759] vfs_get_tree+0x8b/0x2d0 [ 105.058487][ T7759] ? capable+0x14/0x20 [ 105.062537][ T7759] do_mount+0x1270/0x1b60 [ 105.066850][ T7759] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.072372][ T7759] ? copy_mount_string+0x20/0x20 [ 105.077290][ T7759] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.082816][ T7759] ? __kasan_check_read+0x11/0x20 [ 105.087825][ T7759] ? copy_mount_options+0x77/0x2c0 [ 105.092912][ T7759] __x64_sys_mount+0x169/0x1c0 [ 105.097656][ T7759] do_syscall_64+0xd0/0x600 [ 105.102134][ T7759] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.108002][ T7759] RIP: 0033:0x458da9 [ 105.111872][ T7759] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.131460][ T7759] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.139848][ T7759] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 105.147800][ T7759] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.155748][ T7759] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.163899][ T7759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 105.171854][ T7759] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.180343][ T7755] CPU: 0 PID: 7755 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 105.189393][ T7755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.199440][ T7755] Call Trace: [ 105.202711][ T7755] dump_stack+0x12d/0x187 [ 105.207038][ T7755] should_fail.cold.4+0x5/0x13 [ 105.211800][ T7755] ? fault_create_debugfs_attr+0x150/0x150 [ 105.217594][ T7755] ? ___might_sleep+0x16b/0x2b0 [ 105.222423][ T7755] __should_failslab+0xba/0xf0 [ 105.227161][ T7755] should_failslab+0x9/0x14 [ 105.231668][ T7755] __kmalloc+0x2eb/0x790 [ 105.235910][ T7755] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 105.241177][ T7755] p9_fcall_init.isra.2+0x55/0x1c0 [ 105.246264][ T7755] p9_client_prepare_req.part.5+0x116/0x670 [ 105.252132][ T7755] p9_client_rpc+0x174/0xe50 [ 105.256697][ T7755] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 105.262478][ T7755] ? p9_client_prepare_req.part.5+0x670/0x670 [ 105.268631][ T7755] ? add_wait_queue+0x107/0x160 [ 105.273463][ T7755] ? p9_pollwait+0x182/0x210 [ 105.278028][ T7755] ? pipe_poll+0x80/0x300 [ 105.282334][ T7755] ? p9_fd_poll+0x19b/0x2a0 [ 105.287123][ T7755] ? p9_conn_create+0x399/0x4e0 [ 105.291960][ T7755] ? p9_conn_create+0x4e0/0x4e0 [ 105.296805][ T7755] p9_client_create+0x7ec/0x10e0 [ 105.301729][ T7755] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 105.307770][ T7755] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.313305][ T7755] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.319347][ T7755] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.325137][ T7755] ? __kmalloc_track_caller+0x60e/0x780 [ 105.330653][ T7755] ? __x64_sys_mount+0x169/0x1c0 [ 105.335591][ T7755] ? do_syscall_64+0xd0/0x600 [ 105.340262][ T7755] ? lockdep_init_map+0x1b6/0x6c0 [ 105.345273][ T7755] v9fs_session_init+0x1ed/0x14c0 [ 105.352882][ T7755] ? v9fs_session_init+0x1ed/0x14c0 [ 105.359015][ T7755] ? find_held_lock+0x36/0x1d0 [ 105.363844][ T7755] ? v9fs_show_options+0x6c0/0x6c0 [ 105.368931][ T7755] ? __kasan_check_read+0x11/0x20 [ 105.373954][ T7755] ? v9fs_mount+0x55/0x7f0 [ 105.378354][ T7755] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.383889][ T7755] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.389931][ T7755] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.395715][ T7755] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.401235][ T7755] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.406505][ T7755] v9fs_mount+0x72/0x7f0 [ 105.410723][ T7755] ? v9fs_write_inode+0x50/0x50 [ 105.415548][ T7755] legacy_get_tree+0x103/0x1f0 [ 105.420287][ T7755] vfs_get_tree+0x8b/0x2d0 [ 105.424675][ T7755] ? capable+0x14/0x20 [ 105.428721][ T7755] do_mount+0x1270/0x1b60 [ 105.433035][ T7755] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.438568][ T7755] ? copy_mount_string+0x20/0x20 [ 105.443482][ T7755] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.448999][ T7755] ? __kasan_check_write+0x14/0x20 [ 105.454084][ T7755] ? _copy_from_user+0xd6/0x110 [ 105.458908][ T7755] ? __kasan_check_read+0x11/0x20 [ 105.463905][ T7755] ? copy_mount_options+0x77/0x2c0 [ 105.469002][ T7755] __x64_sys_mount+0x169/0x1c0 [ 105.473746][ T7755] do_syscall_64+0xd0/0x600 [ 105.478225][ T7755] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.484095][ T7755] RIP: 0033:0x458da9 [ 105.487965][ T7755] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 105.508500][ T7755] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.516882][ T7755] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 105.524831][ T7755] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.532780][ T7755] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.540727][ T7755] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 105.548671][ T7755] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.556722][ T7761] CPU: 1 PID: 7761 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 105.565293][ T7761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.565297][ T7761] Call Trace: [ 105.565308][ T7761] dump_stack+0x12d/0x187 [ 105.565318][ T7761] should_fail.cold.4+0x5/0x13 [ 105.565325][ T7761] ? fault_create_debugfs_attr+0x150/0x150 [ 105.565332][ T7761] ? ___might_sleep+0x16b/0x2b0 [ 105.565342][ T7761] __should_failslab+0xba/0xf0 [ 105.565349][ T7761] should_failslab+0x9/0x14 [ 105.565358][ T7761] __kmalloc+0x2eb/0x790 [ 105.600047][ T7775] FAULT_INJECTION: forcing a failure. [ 105.600047][ T7775] name failslab, interval 1, probability 0, space 0, times 0 [ 105.603074][ T7761] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 105.603084][ T7761] p9_fcall_init.isra.2+0x55/0x1c0 [ 105.603091][ T7761] p9_client_prepare_req.part.5+0x116/0x670 [ 105.603101][ T7761] p9_client_rpc+0x174/0xe50 [ 105.624355][ T7761] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 105.624363][ T7761] ? p9_client_prepare_req.part.5+0x670/0x670 [ 105.624370][ T7761] ? add_wait_queue+0x107/0x160 [ 105.624378][ T7761] ? p9_pollwait+0x182/0x210 [ 105.624387][ T7761] ? pipe_poll+0x80/0x300 [ 105.624395][ T7761] ? p9_fd_poll+0x19b/0x2a0 [ 105.624403][ T7761] ? p9_conn_create+0x399/0x4e0 [ 105.624412][ T7761] ? p9_conn_create+0x4e0/0x4e0 [ 105.624425][ T7761] p9_client_create+0x7ec/0x10e0 [ 105.624436][ T7761] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 105.661925][ T7761] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.661932][ T7761] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.661939][ T7761] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.661949][ T7761] ? __kmalloc_track_caller+0x60e/0x780 [ 105.695918][ T7761] ? __x64_sys_mount+0x169/0x1c0 [ 105.695926][ T7761] ? do_syscall_64+0xd0/0x600 [ 105.695931][ T7761] ? lockdep_init_map+0x1b6/0x6c0 [ 105.695945][ T7761] v9fs_session_init+0x1ed/0x14c0 [ 105.695950][ T7761] ? v9fs_session_init+0x1ed/0x14c0 [ 105.695960][ T7761] ? find_held_lock+0x36/0x1d0 [ 105.695971][ T7761] ? v9fs_show_options+0x6c0/0x6c0 [ 105.695984][ T7761] ? __kasan_check_read+0x11/0x20 [ 105.695992][ T7761] ? v9fs_mount+0x55/0x7f0 [ 105.696001][ T7761] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.769387][ T7761] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 105.775437][ T7761] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 105.781223][ T7761] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.786745][ T7761] ? apparmor_task_alloc+0x2f0/0x2f0 [ 105.792007][ T7761] v9fs_mount+0x72/0x7f0 [ 105.796229][ T7761] ? v9fs_write_inode+0x50/0x50 [ 105.801056][ T7761] legacy_get_tree+0x103/0x1f0 [ 105.805802][ T7761] vfs_get_tree+0x8b/0x2d0 [ 105.810198][ T7761] ? capable+0x14/0x20 [ 105.814245][ T7761] do_mount+0x1270/0x1b60 [ 105.818556][ T7761] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 105.824078][ T7761] ? copy_mount_string+0x20/0x20 [ 105.829010][ T7761] ? kmem_cache_alloc_trace+0x39e/0x780 [ 105.834535][ T7761] ? __kasan_check_write+0x14/0x20 [ 105.839623][ T7761] ? _copy_from_user+0xd6/0x110 [ 105.844458][ T7761] ? __kasan_check_read+0x11/0x20 [ 105.849550][ T7761] ? copy_mount_options+0x77/0x2c0 [ 105.854646][ T7761] __x64_sys_mount+0x169/0x1c0 [ 105.859392][ T7761] do_syscall_64+0xd0/0x600 [ 105.863879][ T7761] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.869750][ T7761] RIP: 0033:0x458da9 [ 105.873622][ 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 [ 105.893225][ T7761] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 105.901613][ T7761] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 105.909566][ T7761] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 105.918481][ T7761] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 105.926430][ T7761] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 105.934381][ T7761] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 105.942349][ T7775] CPU: 0 PID: 7775 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 105.947993][ T7780] FAULT_INJECTION: forcing a failure. [ 105.947993][ T7780] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 105.950929][ T7775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 105.974127][ T7775] Call Trace: [ 105.977392][ T7775] dump_stack+0x12d/0x187 [ 105.981708][ T7775] should_fail.cold.4+0x5/0x13 [ 105.986445][ T7775] ? fault_create_debugfs_attr+0x150/0x150 [ 105.992226][ T7775] ? ___might_sleep+0x16b/0x2b0 [ 105.997050][ T7775] __should_failslab+0xba/0xf0 [ 106.001796][ T7775] should_failslab+0x9/0x14 [ 106.006270][ T7775] __kmalloc+0x2eb/0x790 [ 106.010497][ T7775] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 106.015752][ T7775] p9_fcall_init.isra.2+0x55/0x1c0 [ 106.020836][ T7775] p9_client_prepare_req.part.5+0x116/0x670 [ 106.026706][ T7775] p9_client_rpc+0x174/0xe50 [ 106.031280][ T7775] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 106.037068][ T7775] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.043104][ T7775] ? add_wait_queue+0x107/0x160 [ 106.047926][ T7775] ? p9_pollwait+0x182/0x210 [ 106.052490][ T7775] ? pipe_poll+0x80/0x300 [ 106.056797][ T7775] ? p9_fd_poll+0x19b/0x2a0 [ 106.061290][ T7775] ? p9_conn_create+0x399/0x4e0 [ 106.066125][ T7775] ? p9_conn_create+0x4e0/0x4e0 [ 106.070951][ T7775] p9_client_create+0x7ec/0x10e0 [ 106.075865][ T7775] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.081901][ T7775] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.087429][ T7775] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.093464][ T7775] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.099246][ T7775] ? __kmalloc_track_caller+0x60e/0x780 [ 106.104766][ T7775] ? __x64_sys_mount+0x169/0x1c0 [ 106.109944][ T7775] ? do_syscall_64+0xd0/0x600 [ 106.114592][ T7775] ? lockdep_init_map+0x1b6/0x6c0 [ 106.119593][ T7775] v9fs_session_init+0x1ed/0x14c0 [ 106.124588][ T7775] ? v9fs_session_init+0x1ed/0x14c0 [ 106.130539][ T7775] ? find_held_lock+0x36/0x1d0 [ 106.135281][ T7775] ? v9fs_show_options+0x6c0/0x6c0 [ 106.141317][ T7775] ? __kasan_check_read+0x11/0x20 [ 106.146325][ T7775] ? v9fs_mount+0x55/0x7f0 [ 106.150729][ T7775] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.156248][ T7775] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.162306][ T7775] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.168092][ T7775] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.173616][ T7775] ? apparmor_task_alloc+0x2f0/0x2f0 [ 106.179223][ T7775] v9fs_mount+0x72/0x7f0 [ 106.183452][ T7775] ? v9fs_write_inode+0x50/0x50 [ 106.188283][ T7775] legacy_get_tree+0x103/0x1f0 [ 106.193038][ T7775] vfs_get_tree+0x8b/0x2d0 [ 106.197426][ T7775] ? capable+0x14/0x20 [ 106.201470][ T7775] do_mount+0x1270/0x1b60 [ 106.205768][ T7775] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.211295][ T7775] ? copy_mount_string+0x20/0x20 [ 106.216205][ T7775] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.221721][ T7775] ? __kasan_check_write+0x14/0x20 [ 106.226806][ T7775] ? __kasan_check_read+0x11/0x20 [ 106.231815][ T7775] ? copy_mount_options+0x77/0x2c0 [ 106.236899][ T7775] __x64_sys_mount+0x169/0x1c0 [ 106.241648][ T7775] do_syscall_64+0xd0/0x600 [ 106.246566][ T7775] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.252441][ T7775] RIP: 0033:0x458da9 [ 106.256311][ T7775] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 106.275921][ T7775] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 106.284310][ T7775] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 106.292254][ T7775] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 106.300200][ T7775] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 106.308143][ T7775] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 106.316097][ T7775] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 106.324057][ T7780] CPU: 1 PID: 7780 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 106.332728][ T7780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.342773][ T7780] Call Trace: [ 106.342786][ T7780] dump_stack+0x12d/0x187 [ 106.342797][ T7780] should_fail.cold.4+0x5/0x13 [ 106.342803][ T7780] ? do_mount+0x1270/0x1b60 [ 106.342811][ T7780] ? fault_create_debugfs_attr+0x150/0x150 [ 106.359623][ T7780] ? find_held_lock+0x36/0x1d0 [ 106.359636][ T7780] should_fail_alloc_page+0x50/0x60 [ 106.359642][ T7780] __alloc_pages_nodemask+0x17f/0x890 [ 106.359650][ T7780] ? cache_grow_end+0xa8/0x190 [ 106.359661][ T7780] ? __alloc_pages_slowpath+0x2570/0x2570 [ 106.359666][ T7780] ? do_raw_spin_lock+0x132/0x2e0 [ 106.359683][ T7780] cache_grow_begin+0x92/0xca0 [ 106.371010][ T7783] FAULT_INJECTION: forcing a failure. [ 106.371010][ T7783] name failslab, interval 1, probability 0, space 0, times 0 [ 106.375383][ T7780] ? __kmalloc+0xc5/0x790 [ 106.375393][ T7780] ? trace_hardirqs_off+0x41/0x1a0 [ 106.375401][ T7780] __kmalloc+0x6cd/0x790 [ 106.375412][ T7780] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 106.375420][ T7780] p9_fcall_init.isra.2+0x55/0x1c0 [ 106.375427][ T7780] p9_client_prepare_req.part.5+0x116/0x670 [ 106.375437][ T7780] p9_client_rpc+0x174/0xe50 [ 106.375446][ T7780] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 106.375451][ T7780] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.375458][ T7780] ? add_wait_queue+0x107/0x160 [ 106.375468][ T7780] ? p9_pollwait+0x182/0x210 [ 106.447952][ T7780] ? pipe_poll+0x80/0x300 [ 106.459783][ T7780] ? p9_fd_poll+0x19b/0x2a0 [ 106.459791][ T7780] ? p9_conn_create+0x399/0x4e0 [ 106.459801][ T7780] ? p9_conn_create+0x4e0/0x4e0 [ 106.477806][ T7788] FAULT_INJECTION: forcing a failure. [ 106.477806][ T7788] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 106.477990][ T7780] p9_client_create+0x7ec/0x10e0 [ 106.505794][ T7780] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.511835][ T7780] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.517350][ T7780] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.523822][ T7780] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.529601][ T7780] ? __kmalloc_track_caller+0x60e/0x780 [ 106.535122][ T7780] ? __x64_sys_mount+0x169/0x1c0 [ 106.540031][ T7780] ? do_syscall_64+0xd0/0x600 [ 106.544676][ T7780] ? lockdep_init_map+0x1b6/0x6c0 [ 106.549674][ T7780] v9fs_session_init+0x1ed/0x14c0 [ 106.554672][ T7780] ? v9fs_session_init+0x1ed/0x14c0 [ 106.559844][ T7780] ? find_held_lock+0x36/0x1d0 [ 106.564603][ T7780] ? v9fs_show_options+0x6c0/0x6c0 [ 106.569687][ T7780] ? __kasan_check_read+0x11/0x20 [ 106.575380][ T7780] ? v9fs_mount+0x55/0x7f0 [ 106.579765][ T7780] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.585290][ T7780] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.591328][ T7780] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.597105][ T7780] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.602625][ T7780] ? apparmor_task_alloc+0x2f0/0x2f0 [ 106.607894][ T7780] v9fs_mount+0x72/0x7f0 [ 106.612108][ T7780] ? v9fs_write_inode+0x50/0x50 [ 106.616928][ T7780] legacy_get_tree+0x103/0x1f0 [ 106.621664][ T7780] vfs_get_tree+0x8b/0x2d0 [ 106.626051][ T7780] ? capable+0x14/0x20 [ 106.630093][ T7780] do_mount+0x1270/0x1b60 [ 106.634393][ T7780] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.639908][ T7780] ? copy_mount_string+0x20/0x20 [ 106.644821][ T7780] ? kmem_cache_alloc_trace+0x39e/0x780 [ 106.650339][ T7780] ? __kasan_check_read+0x11/0x20 [ 106.655939][ T7780] ? copy_mount_options+0x77/0x2c0 [ 106.661020][ T7780] __x64_sys_mount+0x169/0x1c0 [ 106.665758][ T7780] do_syscall_64+0xd0/0x600 [ 106.670252][ T7780] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 106.676121][ T7780] RIP: 0033:0x458da9 [ 106.680002][ 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 [ 106.699763][ T7780] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 106.708149][ T7780] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 2019/12/18 21:49:20 executed programs: 126 [ 106.716181][ T7780] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 106.724123][ T7780] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 106.732066][ T7780] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 106.740011][ T7780] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 106.747971][ T7788] CPU: 0 PID: 7788 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 106.757069][ T7788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 106.767111][ T7788] Call Trace: [ 106.767124][ T7788] dump_stack+0x12d/0x187 [ 106.767136][ T7788] should_fail.cold.4+0x5/0x13 [ 106.767143][ T7788] ? do_mount+0x1270/0x1b60 [ 106.767150][ T7788] ? fault_create_debugfs_attr+0x150/0x150 [ 106.767160][ T7788] ? find_held_lock+0x36/0x1d0 [ 106.767170][ T7788] should_fail_alloc_page+0x50/0x60 [ 106.767175][ T7788] __alloc_pages_nodemask+0x17f/0x890 [ 106.767183][ T7788] ? cache_grow_end+0xa8/0x190 [ 106.767189][ T7788] ? __alloc_pages_slowpath+0x2570/0x2570 [ 106.767194][ T7788] ? do_raw_spin_lock+0x132/0x2e0 [ 106.767207][ T7788] cache_grow_begin+0x92/0xca0 [ 106.775756][ T7788] ? __kmalloc+0xc5/0x790 [ 106.775765][ T7788] ? trace_hardirqs_off+0x41/0x1a0 [ 106.775773][ T7788] __kmalloc+0x6cd/0x790 [ 106.775784][ T7788] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 106.785032][ T7788] p9_fcall_init.isra.2+0x55/0x1c0 [ 106.795574][ T7788] p9_client_prepare_req.part.5+0x116/0x670 [ 106.795584][ T7788] p9_client_rpc+0x174/0xe50 [ 106.795594][ T7788] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 106.795599][ T7788] ? p9_client_prepare_req.part.5+0x670/0x670 [ 106.795607][ T7788] ? add_wait_queue+0x107/0x160 [ 106.795614][ T7788] ? p9_pollwait+0x182/0x210 [ 106.795622][ T7788] ? pipe_poll+0x80/0x300 [ 106.795631][ T7788] ? p9_fd_poll+0x19b/0x2a0 [ 106.832696][ T7795] FAULT_INJECTION: forcing a failure. [ 106.832696][ T7795] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 106.835776][ T7788] ? p9_conn_create+0x399/0x4e0 [ 106.908783][ T7788] ? p9_conn_create+0x4e0/0x4e0 [ 106.913621][ T7788] p9_client_create+0x7ec/0x10e0 [ 106.918536][ T7788] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 106.924574][ T7788] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.930090][ T7788] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 106.936129][ T7788] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 106.941909][ T7788] ? __kmalloc_track_caller+0x60e/0x780 [ 106.947429][ T7788] ? __x64_sys_mount+0x169/0x1c0 [ 106.952334][ T7788] ? do_syscall_64+0xd0/0x600 [ 106.956986][ T7788] ? lockdep_init_map+0x1b6/0x6c0 [ 106.961985][ T7788] v9fs_session_init+0x1ed/0x14c0 [ 106.966978][ T7788] ? v9fs_session_init+0x1ed/0x14c0 [ 106.972147][ T7788] ? find_held_lock+0x36/0x1d0 [ 106.976886][ T7788] ? v9fs_show_options+0x6c0/0x6c0 [ 106.981966][ T7788] ? __kasan_check_read+0x11/0x20 [ 106.986963][ T7788] ? v9fs_mount+0x55/0x7f0 [ 106.991368][ T7788] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 106.996885][ T7788] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.002919][ T7788] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.008696][ T7788] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.014213][ T7788] ? apparmor_task_alloc+0x2f0/0x2f0 [ 107.019472][ T7788] v9fs_mount+0x72/0x7f0 [ 107.023698][ T7788] ? v9fs_write_inode+0x50/0x50 [ 107.028517][ T7788] legacy_get_tree+0x103/0x1f0 [ 107.033268][ T7788] vfs_get_tree+0x8b/0x2d0 [ 107.037665][ T7788] ? capable+0x14/0x20 [ 107.041708][ T7788] do_mount+0x1270/0x1b60 [ 107.046006][ T7788] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.051524][ T7788] ? copy_mount_string+0x20/0x20 [ 107.056432][ T7788] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.061952][ T7788] ? __kasan_check_write+0x14/0x20 [ 107.067034][ T7788] ? _copy_from_user+0xd6/0x110 [ 107.073334][ T7788] ? __kasan_check_read+0x11/0x20 [ 107.078327][ T7788] ? copy_mount_options+0x77/0x2c0 [ 107.083411][ T7788] __x64_sys_mount+0x169/0x1c0 [ 107.088146][ T7788] do_syscall_64+0xd0/0x600 [ 107.092620][ T7788] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.099440][ T7788] RIP: 0033:0x458da9 [ 107.103309][ T7788] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.122883][ T7788] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 107.131268][ T7788] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 107.139223][ T7788] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.147164][ T7788] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.155107][ T7788] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 107.163051][ T7788] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.171026][ T7795] CPU: 1 PID: 7795 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 107.179605][ T7795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.189652][ T7795] Call Trace: [ 107.192944][ T7795] dump_stack+0x12d/0x187 [ 107.197258][ T7795] should_fail.cold.4+0x5/0x13 [ 107.202002][ T7795] ? kmem_cache_alloc+0x121/0x750 [ 107.207109][ T7795] ? fault_create_debugfs_attr+0x150/0x150 [ 107.212901][ T7795] ? vfs_get_tree+0x8b/0x2d0 [ 107.217473][ T7795] ? do_mount+0x1270/0x1b60 [ 107.221962][ T7795] ? __x64_sys_mount+0x169/0x1c0 [ 107.226918][ T7795] ? do_syscall_64+0xd0/0x600 [ 107.231571][ T7795] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.237619][ T7795] should_fail_alloc_page+0x50/0x60 [ 107.242803][ T7795] __alloc_pages_nodemask+0x17f/0x890 [ 107.248154][ T7795] ? __alloc_pages_slowpath+0x2570/0x2570 [ 107.253859][ T7795] cache_grow_begin+0x92/0xca0 [ 107.259031][ T7795] ? __kmalloc+0xc5/0x790 [ 107.263340][ T7795] ? trace_hardirqs_off+0x41/0x1a0 [ 107.268428][ T7795] __kmalloc+0x6cd/0x790 [ 107.272647][ T7795] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 107.277907][ T7795] p9_fcall_init.isra.2+0x55/0x1c0 [ 107.283005][ T7795] p9_client_prepare_req.part.5+0x96/0x670 [ 107.288788][ T7795] p9_client_rpc+0x174/0xe50 [ 107.293362][ T7795] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 107.299147][ T7795] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.305199][ T7795] ? add_wait_queue+0x107/0x160 [ 107.310027][ T7795] ? p9_pollwait+0x182/0x210 [ 107.314599][ T7795] ? pipe_poll+0x80/0x300 [ 107.318909][ T7795] ? p9_fd_poll+0x19b/0x2a0 [ 107.323383][ T7795] ? p9_conn_create+0x399/0x4e0 [ 107.328228][ T7795] ? p9_conn_create+0x4e0/0x4e0 [ 107.333162][ T7795] p9_client_create+0x7ec/0x10e0 [ 107.338098][ T7795] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.344147][ T7795] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.349674][ T7795] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.355720][ T7795] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.361515][ T7795] ? __kmalloc_track_caller+0x60e/0x780 [ 107.367040][ T7795] ? __x64_sys_mount+0x169/0x1c0 [ 107.371973][ T7795] ? do_syscall_64+0xd0/0x600 [ 107.371980][ T7795] ? lockdep_init_map+0x1b6/0x6c0 [ 107.381650][ T7795] v9fs_session_init+0x1ed/0x14c0 [ 107.386667][ T7795] ? v9fs_session_init+0x1ed/0x14c0 [ 107.386671][ T7798] FAULT_INJECTION: forcing a failure. [ 107.386671][ T7798] name failslab, interval 1, probability 0, space 0, times 0 [ 107.404404][ T7795] ? cache_grow_end+0xa8/0x190 [ 107.409141][ T7795] ? lock_downgrade+0x900/0x900 [ 107.413976][ T7795] ? __kasan_check_write+0x14/0x20 [ 107.419079][ T7795] ? v9fs_show_options+0x6c0/0x6c0 [ 107.424182][ T7795] ? __kasan_check_read+0x11/0x20 [ 107.429194][ T7795] ? v9fs_mount+0x55/0x7f0 [ 107.433596][ T7795] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.439134][ T7795] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.445185][ T7795] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.450971][ T7795] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.456504][ T7795] v9fs_mount+0x72/0x7f0 [ 107.460731][ T7795] ? v9fs_write_inode+0x50/0x50 [ 107.465559][ T7795] legacy_get_tree+0x103/0x1f0 [ 107.470300][ T7795] vfs_get_tree+0x8b/0x2d0 [ 107.474692][ T7795] ? capable+0x14/0x20 [ 107.478745][ T7795] do_mount+0x1270/0x1b60 [ 107.483064][ T7795] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.488596][ T7795] ? copy_mount_string+0x20/0x20 [ 107.493514][ T7795] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.499045][ T7795] ? __kasan_check_write+0x14/0x20 [ 107.504255][ T7795] ? __kasan_check_read+0x11/0x20 [ 107.509362][ T7795] ? copy_mount_options+0x77/0x2c0 [ 107.514465][ T7795] __x64_sys_mount+0x169/0x1c0 [ 107.519220][ T7795] do_syscall_64+0xd0/0x600 [ 107.523708][ T7795] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.529578][ T7795] RIP: 0033:0x458da9 [ 107.533450][ T7795] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.553124][ T7795] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 107.561512][ T7795] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 107.569460][ T7795] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.577411][ T7795] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.585365][ T7795] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 107.593313][ T7795] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.601625][ T7798] CPU: 0 PID: 7798 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 107.610176][ T7794] FAULT_INJECTION: forcing a failure. [ 107.610176][ T7794] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 107.610462][ T7798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.633646][ T7798] Call Trace: [ 107.636908][ T7798] dump_stack+0x12d/0x187 [ 107.641213][ T7798] should_fail.cold.4+0x5/0x13 [ 107.645948][ T7798] ? fault_create_debugfs_attr+0x150/0x150 [ 107.651724][ T7798] ? ___might_sleep+0x16b/0x2b0 [ 107.656551][ T7798] __should_failslab+0xba/0xf0 [ 107.661285][ T7798] should_failslab+0x9/0x14 [ 107.665758][ T7798] __kmalloc+0x2eb/0x790 [ 107.669972][ T7798] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 107.675240][ T7798] p9_fcall_init.isra.2+0x55/0x1c0 [ 107.680324][ T7798] p9_client_prepare_req.part.5+0x116/0x670 [ 107.686190][ T7798] p9_client_rpc+0x174/0xe50 [ 107.690754][ T7798] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 107.696543][ T7798] ? p9_client_prepare_req.part.5+0x670/0x670 [ 107.702583][ T7798] ? add_wait_queue+0x107/0x160 [ 107.707417][ T7798] ? p9_pollwait+0x182/0x210 [ 107.711981][ T7798] ? pipe_poll+0x80/0x300 [ 107.716292][ T7798] ? p9_fd_poll+0x19b/0x2a0 [ 107.720853][ T7798] ? p9_conn_create+0x399/0x4e0 [ 107.725678][ T7798] ? p9_conn_create+0x4e0/0x4e0 [ 107.730506][ T7798] p9_client_create+0x7ec/0x10e0 [ 107.735418][ T7798] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 107.741456][ T7798] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.746971][ T7798] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.753006][ T7798] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.759741][ T7798] ? __kmalloc_track_caller+0x60e/0x780 [ 107.765255][ T7798] ? __x64_sys_mount+0x169/0x1c0 [ 107.770163][ T7798] ? do_syscall_64+0xd0/0x600 [ 107.774814][ T7798] ? lockdep_init_map+0x1b6/0x6c0 [ 107.779824][ T7798] v9fs_session_init+0x1ed/0x14c0 [ 107.784832][ T7798] ? v9fs_session_init+0x1ed/0x14c0 [ 107.790003][ T7798] ? find_held_lock+0x36/0x1d0 [ 107.794740][ T7798] ? v9fs_show_options+0x6c0/0x6c0 [ 107.799827][ T7798] ? __kasan_check_read+0x11/0x20 [ 107.804836][ T7798] ? v9fs_mount+0x55/0x7f0 [ 107.809223][ T7798] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.814737][ T7798] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 107.820770][ T7798] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 107.826548][ T7798] ? kmem_cache_alloc_trace+0x39e/0x780 [ 107.832066][ T7798] ? apparmor_task_alloc+0x2f0/0x2f0 [ 107.837323][ T7798] v9fs_mount+0x72/0x7f0 [ 107.841540][ T7798] ? v9fs_write_inode+0x50/0x50 [ 107.846361][ T7798] legacy_get_tree+0x103/0x1f0 [ 107.851099][ T7798] vfs_get_tree+0x8b/0x2d0 [ 107.855485][ T7798] ? capable+0x14/0x20 [ 107.859540][ T7798] do_mount+0x1270/0x1b60 [ 107.863859][ T7798] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 107.869304][ T7798] ? copy_mount_string+0x20/0x20 [ 107.874230][ T7798] ? retint_kernel+0x2b/0x2b [ 107.878801][ T7798] ? copy_mount_options+0x1a8/0x2c0 [ 107.883978][ T7798] __x64_sys_mount+0x169/0x1c0 [ 107.888719][ T7798] do_syscall_64+0xd0/0x600 [ 107.893199][ T7798] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.899076][ T7798] RIP: 0033:0x458da9 [ 107.902957][ T7798] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 107.922543][ T7798] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 107.930924][ T7798] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 107.938879][ T7798] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 107.946822][ T7798] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 107.954767][ T7798] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 107.963317][ T7798] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 107.971282][ T7794] CPU: 1 PID: 7794 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 107.979871][ T7794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.979874][ T7794] Call Trace: [ 107.979886][ T7794] dump_stack+0x12d/0x187 [ 107.979896][ T7794] should_fail.cold.4+0x5/0x13 [ 107.979902][ T7794] ? do_mount+0x1270/0x1b60 [ 107.979908][ T7794] ? fault_create_debugfs_attr+0x150/0x150 [ 107.979919][ T7794] ? find_held_lock+0x36/0x1d0 [ 107.979928][ T7794] should_fail_alloc_page+0x50/0x60 [ 107.979933][ T7794] __alloc_pages_nodemask+0x17f/0x890 [ 107.979941][ T7794] ? cache_grow_end+0xa8/0x190 [ 107.979947][ T7794] ? __alloc_pages_slowpath+0x2570/0x2570 [ 107.979955][ T7794] ? do_raw_spin_lock+0x132/0x2e0 [ 108.022459][ T7794] cache_grow_begin+0x92/0xca0 [ 108.047964][ T7794] ? __kmalloc+0xc5/0x790 [ 108.052280][ T7794] ? trace_hardirqs_off+0x41/0x1a0 [ 108.057379][ T7794] __kmalloc+0x6cd/0x790 [ 108.061604][ T7794] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 108.066874][ T7794] p9_fcall_init.isra.2+0x55/0x1c0 [ 108.071964][ T7794] p9_client_prepare_req.part.5+0x116/0x670 [ 108.077832][ T7794] p9_client_rpc+0x174/0xe50 [ 108.082400][ T7794] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 108.088178][ T7794] ? p9_client_prepare_req.part.5+0x670/0x670 [ 108.094223][ T7794] ? add_wait_queue+0x107/0x160 [ 108.100007][ T7794] ? p9_pollwait+0x182/0x210 [ 108.104577][ T7794] ? pipe_poll+0x80/0x300 [ 108.108885][ T7794] ? p9_fd_poll+0x19b/0x2a0 [ 108.113363][ T7794] ? p9_conn_create+0x399/0x4e0 [ 108.118204][ T7794] ? p9_conn_create+0x4e0/0x4e0 [ 108.123032][ T7794] p9_client_create+0x7ec/0x10e0 [ 108.127952][ T7794] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 108.133992][ T7794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.139514][ T7794] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.145559][ T7794] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.151346][ T7794] ? __kmalloc_track_caller+0x60e/0x780 [ 108.156870][ T7794] ? __x64_sys_mount+0x169/0x1c0 [ 108.161784][ T7794] ? do_syscall_64+0xd0/0x600 [ 108.166577][ T7794] ? lockdep_init_map+0x1b6/0x6c0 [ 108.171591][ T7794] v9fs_session_init+0x1ed/0x14c0 [ 108.176597][ T7794] ? v9fs_session_init+0x1ed/0x14c0 [ 108.181780][ T7794] ? find_held_lock+0x36/0x1d0 [ 108.186558][ T7794] ? v9fs_show_options+0x6c0/0x6c0 [ 108.191776][ T7794] ? __kasan_check_read+0x11/0x20 [ 108.196794][ T7794] ? v9fs_mount+0x55/0x7f0 [ 108.201200][ T7794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.206735][ T7794] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.212807][ T7794] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.218608][ T7794] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.224146][ T7794] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.229525][ T7794] v9fs_mount+0x72/0x7f0 [ 108.233755][ T7794] ? v9fs_write_inode+0x50/0x50 [ 108.238597][ T7794] legacy_get_tree+0x103/0x1f0 [ 108.243344][ T7794] vfs_get_tree+0x8b/0x2d0 [ 108.248352][ T7794] ? capable+0x14/0x20 [ 108.252401][ T7794] do_mount+0x1270/0x1b60 [ 108.256716][ T7794] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.262254][ T7794] ? copy_mount_string+0x20/0x20 [ 108.267180][ T7794] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.272712][ T7794] ? __kasan_check_write+0x14/0x20 [ 108.277800][ T7794] ? _copy_from_user+0xd6/0x110 [ 108.282627][ T7794] ? __kasan_check_read+0x11/0x20 [ 108.287636][ T7794] ? copy_mount_options+0x77/0x2c0 [ 108.292727][ T7794] __x64_sys_mount+0x169/0x1c0 [ 108.297666][ T7794] do_syscall_64+0xd0/0x600 [ 108.302149][ T7794] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.308024][ T7794] RIP: 0033:0x458da9 [ 108.311907][ T7794] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 108.331591][ T7794] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.339987][ T7794] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 108.347944][ T7794] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.355908][ T7794] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 108.355912][ T7794] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 108.355915][ T7794] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 108.361109][ T7805] FAULT_INJECTION: forcing a failure. [ 108.361109][ T7805] name failslab, interval 1, probability 0, space 0, times 0 [ 108.394794][ T7810] FAULT_INJECTION: forcing a failure. [ 108.394794][ T7810] name failslab, interval 1, probability 0, space 0, times 0 [ 108.396171][ T7805] CPU: 1 PID: 7805 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 108.416043][ T7805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.426079][ T7805] Call Trace: [ 108.428857][ T7809] FAULT_INJECTION: forcing a failure. [ 108.428857][ T7809] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 108.429357][ T7805] dump_stack+0x12d/0x187 [ 108.446830][ T7805] should_fail.cold.4+0x5/0x13 [ 108.451568][ T7805] ? fault_create_debugfs_attr+0x150/0x150 [ 108.457348][ T7805] ? ___might_sleep+0x16b/0x2b0 [ 108.462190][ T7805] __should_failslab+0xba/0xf0 [ 108.466925][ T7805] should_failslab+0x9/0x14 [ 108.471399][ T7805] __kmalloc+0x2eb/0x790 [ 108.475614][ T7805] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 108.481015][ T7805] p9_fcall_init.isra.2+0x55/0x1c0 [ 108.486103][ T7805] p9_client_prepare_req.part.5+0x116/0x670 [ 108.491973][ T7805] p9_client_rpc+0x174/0xe50 [ 108.496669][ T7805] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 108.502452][ T7805] ? p9_client_prepare_req.part.5+0x670/0x670 [ 108.508505][ T7805] ? add_wait_queue+0x107/0x160 [ 108.513331][ T7805] ? p9_pollwait+0x182/0x210 [ 108.517918][ T7805] ? pipe_poll+0x80/0x300 [ 108.522228][ T7805] ? p9_fd_poll+0x19b/0x2a0 [ 108.526706][ T7805] ? p9_conn_create+0x399/0x4e0 [ 108.531530][ T7805] ? p9_conn_create+0x4e0/0x4e0 [ 108.536374][ T7805] p9_client_create+0x7ec/0x10e0 [ 108.541292][ T7805] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 108.547327][ T7805] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.552842][ T7805] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.558879][ T7805] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.564682][ T7805] ? __kmalloc_track_caller+0x60e/0x780 [ 108.570199][ T7805] ? __x64_sys_mount+0x169/0x1c0 [ 108.575109][ T7805] ? do_syscall_64+0xd0/0x600 [ 108.580120][ T7805] ? lockdep_init_map+0x1b6/0x6c0 [ 108.585142][ T7805] v9fs_session_init+0x1ed/0x14c0 [ 108.590161][ T7805] ? v9fs_session_init+0x1ed/0x14c0 [ 108.596220][ T7805] ? find_held_lock+0x36/0x1d0 [ 108.600969][ T7805] ? v9fs_show_options+0x6c0/0x6c0 [ 108.606072][ T7805] ? __kasan_check_read+0x11/0x20 [ 108.611086][ T7805] ? v9fs_mount+0x55/0x7f0 [ 108.615486][ T7805] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.621011][ T7805] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.627057][ T7805] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.632841][ T7805] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.638360][ T7805] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.643621][ T7805] v9fs_mount+0x72/0x7f0 [ 108.647839][ T7805] ? v9fs_write_inode+0x50/0x50 [ 108.652660][ T7805] legacy_get_tree+0x103/0x1f0 [ 108.657397][ T7805] vfs_get_tree+0x8b/0x2d0 [ 108.661785][ T7805] ? capable+0x14/0x20 [ 108.665837][ T7805] do_mount+0x1270/0x1b60 [ 108.670137][ T7805] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.675654][ T7805] ? copy_mount_string+0x20/0x20 [ 108.680566][ T7805] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.686101][ T7805] ? __kasan_check_write+0x14/0x20 [ 108.691186][ T7805] ? __kasan_check_read+0x11/0x20 [ 108.696180][ T7805] ? copy_mount_options+0x77/0x2c0 [ 108.701268][ T7805] __x64_sys_mount+0x169/0x1c0 [ 108.706005][ T7805] do_syscall_64+0xd0/0x600 [ 108.710481][ T7805] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 108.716357][ T7805] RIP: 0033:0x458da9 [ 108.720227][ T7805] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 108.739804][ T7805] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 108.748183][ T7805] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 108.756143][ T7805] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 108.764176][ T7805] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 108.772118][ T7805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 108.780062][ T7805] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 108.788019][ T7809] CPU: 0 PID: 7809 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 108.796598][ T7809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.806912][ T7809] Call Trace: [ 108.806924][ T7809] dump_stack+0x12d/0x187 [ 108.806936][ T7809] should_fail.cold.4+0x5/0x13 [ 108.806942][ T7809] ? do_mount+0x1270/0x1b60 [ 108.806950][ T7809] ? fault_create_debugfs_attr+0x150/0x150 [ 108.806961][ T7809] ? find_held_lock+0x36/0x1d0 [ 108.806970][ T7809] should_fail_alloc_page+0x50/0x60 [ 108.806976][ T7809] __alloc_pages_nodemask+0x17f/0x890 [ 108.806983][ T7809] ? cache_grow_end+0xa8/0x190 [ 108.806990][ T7809] ? __alloc_pages_slowpath+0x2570/0x2570 [ 108.806995][ T7809] ? do_raw_spin_lock+0x132/0x2e0 [ 108.807009][ T7809] cache_grow_begin+0x92/0xca0 [ 108.807013][ T7809] ? __kmalloc+0xc5/0x790 [ 108.807020][ T7809] ? trace_hardirqs_off+0x41/0x1a0 [ 108.807028][ T7809] __kmalloc+0x6cd/0x790 [ 108.807037][ T7809] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 108.807044][ T7809] p9_fcall_init.isra.2+0x55/0x1c0 [ 108.829762][ T7809] p9_client_prepare_req.part.5+0x116/0x670 [ 108.829774][ T7809] p9_client_rpc+0x174/0xe50 [ 108.829784][ T7809] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 108.829790][ T7809] ? p9_client_prepare_req.part.5+0x670/0x670 [ 108.839707][ T7809] ? add_wait_queue+0x107/0x160 [ 108.839718][ T7809] ? p9_pollwait+0x182/0x210 [ 108.839729][ T7809] ? pipe_poll+0x80/0x300 [ 108.855516][ T7809] ? p9_fd_poll+0x19b/0x2a0 [ 108.855525][ T7809] ? p9_conn_create+0x399/0x4e0 [ 108.855535][ T7809] ? p9_conn_create+0x4e0/0x4e0 [ 108.855547][ T7809] p9_client_create+0x7ec/0x10e0 [ 108.855559][ T7809] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 108.855565][ T7809] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.855571][ T7809] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.855577][ T7809] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.855588][ T7809] ? __kmalloc_track_caller+0x60e/0x780 [ 108.865334][ T7809] ? __x64_sys_mount+0x169/0x1c0 [ 108.865342][ T7809] ? do_syscall_64+0xd0/0x600 [ 108.865347][ T7809] ? lockdep_init_map+0x1b6/0x6c0 [ 108.865360][ T7809] v9fs_session_init+0x1ed/0x14c0 [ 108.865366][ T7809] ? v9fs_session_init+0x1ed/0x14c0 [ 108.865375][ T7809] ? find_held_lock+0x36/0x1d0 [ 108.865386][ T7809] ? v9fs_show_options+0x6c0/0x6c0 [ 108.874781][ T7809] ? __kasan_check_read+0x11/0x20 [ 108.874791][ T7809] ? v9fs_mount+0x55/0x7f0 [ 108.874798][ T7809] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.874804][ T7809] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 108.874809][ T7809] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 108.874819][ T7809] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.874829][ T7809] ? apparmor_task_alloc+0x2f0/0x2f0 [ 108.874837][ T7809] v9fs_mount+0x72/0x7f0 [ 108.874845][ T7809] ? v9fs_write_inode+0x50/0x50 [ 108.874852][ T7809] legacy_get_tree+0x103/0x1f0 [ 108.884337][ T7809] vfs_get_tree+0x8b/0x2d0 [ 108.884344][ T7809] ? capable+0x14/0x20 [ 108.884353][ T7809] do_mount+0x1270/0x1b60 [ 108.884359][ T7809] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.884367][ T7809] ? copy_mount_string+0x20/0x20 [ 108.884375][ T7809] ? kmem_cache_alloc_trace+0x39e/0x780 [ 108.884382][ T7809] ? __kasan_check_write+0x14/0x20 [ 108.884389][ T7809] ? _copy_from_user+0xd6/0x110 [ 109.098834][ T7809] ? __kasan_check_read+0x11/0x20 [ 109.103833][ T7809] ? copy_mount_options+0x77/0x2c0 [ 109.108926][ T7809] __x64_sys_mount+0x169/0x1c0 [ 109.113666][ T7809] do_syscall_64+0xd0/0x600 [ 109.118143][ T7809] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.124025][ T7809] RIP: 0033:0x458da9 [ 109.127896][ 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 [ 109.147474][ T7809] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 109.155865][ T7809] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 109.166858][ T7809] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 109.174809][ T7809] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 109.182758][ T7809] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 109.190706][ T7809] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.198666][ T7810] CPU: 1 PID: 7810 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 109.207246][ T7810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.217290][ T7810] Call Trace: [ 109.220574][ T7810] dump_stack+0x12d/0x187 [ 109.224899][ T7810] should_fail.cold.4+0x5/0x13 [ 109.229662][ T7810] ? fault_create_debugfs_attr+0x150/0x150 [ 109.235456][ T7810] ? ___might_sleep+0x16b/0x2b0 [ 109.240284][ T7810] __should_failslab+0xba/0xf0 [ 109.245018][ T7810] should_failslab+0x9/0x14 [ 109.249513][ T7810] __kmalloc+0x2eb/0x790 [ 109.253729][ T7810] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 109.258984][ T7810] p9_fcall_init.isra.2+0x55/0x1c0 [ 109.264069][ T7810] p9_client_prepare_req.part.5+0x116/0x670 [ 109.269934][ T7810] p9_client_rpc+0x174/0xe50 [ 109.274496][ T7810] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 109.280273][ T7810] ? p9_client_prepare_req.part.5+0x670/0x670 [ 109.286308][ T7810] ? add_wait_queue+0x107/0x160 [ 109.291257][ T7810] ? p9_pollwait+0x182/0x210 [ 109.295829][ T7810] ? pipe_poll+0x80/0x300 [ 109.301469][ T7810] ? p9_fd_poll+0x19b/0x2a0 [ 109.306036][ T7810] ? p9_conn_create+0x399/0x4e0 [ 109.310887][ T7810] ? p9_conn_create+0x4e0/0x4e0 [ 109.315804][ T7810] p9_client_create+0x7ec/0x10e0 [ 109.320721][ T7810] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 109.326760][ T7810] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.332287][ T7810] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.338325][ T7810] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.344105][ T7810] ? __kmalloc_track_caller+0x60e/0x780 [ 109.349632][ T7810] ? __x64_sys_mount+0x169/0x1c0 [ 109.354550][ T7810] ? do_syscall_64+0xd0/0x600 [ 109.359215][ T7810] ? lockdep_init_map+0x1b6/0x6c0 [ 109.364216][ T7810] v9fs_session_init+0x1ed/0x14c0 [ 109.369209][ T7810] ? v9fs_session_init+0x1ed/0x14c0 [ 109.374382][ T7810] ? find_held_lock+0x36/0x1d0 [ 109.379118][ T7810] ? v9fs_show_options+0x6c0/0x6c0 [ 109.384201][ T7810] ? __kasan_check_read+0x11/0x20 [ 109.389195][ T7810] ? v9fs_mount+0x55/0x7f0 [ 109.393592][ T7810] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.399116][ T7810] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.405151][ T7810] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.410949][ T7810] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.416474][ T7810] ? apparmor_task_alloc+0x2f0/0x2f0 [ 109.421732][ T7810] v9fs_mount+0x72/0x7f0 [ 109.425966][ T7810] ? v9fs_write_inode+0x50/0x50 [ 109.430803][ T7810] legacy_get_tree+0x103/0x1f0 [ 109.435541][ T7810] vfs_get_tree+0x8b/0x2d0 [ 109.439926][ T7810] ? capable+0x14/0x20 [ 109.443967][ T7810] do_mount+0x1270/0x1b60 [ 109.448268][ T7810] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.453784][ T7810] ? copy_mount_string+0x20/0x20 [ 109.458714][ T7810] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.464336][ T7810] ? __kasan_check_write+0x14/0x20 [ 109.469424][ T7810] ? __kasan_check_read+0x11/0x20 [ 109.474421][ T7810] ? copy_mount_options+0x77/0x2c0 [ 109.479515][ T7810] __x64_sys_mount+0x169/0x1c0 [ 109.484276][ T7810] do_syscall_64+0xd0/0x600 [ 109.488839][ T7810] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.494704][ T7810] RIP: 0033:0x458da9 [ 109.498572][ T7810] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.518146][ T7810] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 109.526531][ T7810] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 109.534474][ T7810] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 109.542416][ T7810] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 109.550372][ T7810] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 109.558331][ T7810] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.576465][ T7783] CPU: 0 PID: 7783 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 109.578499][ T7819] FAULT_INJECTION: forcing a failure. [ 109.578499][ T7819] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 109.585069][ T7783] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.608269][ T7783] Call Trace: [ 109.611588][ T7783] dump_stack+0x12d/0x187 [ 109.615906][ T7783] should_fail.cold.4+0x5/0x13 [ 109.620648][ T7783] ? fault_create_debugfs_attr+0x150/0x150 [ 109.626443][ T7783] ? ___might_sleep+0x16b/0x2b0 [ 109.631289][ T7783] __should_failslab+0xba/0xf0 [ 109.636032][ T7783] should_failslab+0x9/0x14 [ 109.640511][ T7783] __kmalloc+0x2eb/0x790 [ 109.644993][ T7783] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 109.650264][ T7783] p9_fcall_init.isra.2+0x55/0x1c0 [ 109.655349][ T7783] p9_client_prepare_req.part.5+0x116/0x670 [ 109.661269][ T7783] p9_client_rpc+0x174/0xe50 [ 109.665842][ T7783] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 109.671624][ T7783] ? p9_client_prepare_req.part.5+0x670/0x670 [ 109.677790][ T7783] ? add_wait_queue+0x107/0x160 [ 109.682620][ T7783] ? p9_pollwait+0x182/0x210 [ 109.687191][ T7783] ? pipe_poll+0x80/0x300 [ 109.691519][ T7783] ? p9_fd_poll+0x19b/0x2a0 [ 109.695999][ T7783] ? p9_conn_create+0x399/0x4e0 [ 109.701003][ T7783] ? p9_conn_create+0x4e0/0x4e0 [ 109.705847][ T7783] p9_client_create+0x7ec/0x10e0 [ 109.710765][ T7783] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 109.716811][ T7783] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.722351][ T7783] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.728393][ T7783] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.734350][ T7783] ? __kmalloc_track_caller+0x60e/0x780 [ 109.739955][ T7783] ? __x64_sys_mount+0x169/0x1c0 [ 109.744874][ T7783] ? do_syscall_64+0xd0/0x600 [ 109.749525][ T7783] ? lockdep_init_map+0x1b6/0x6c0 [ 109.754529][ T7783] v9fs_session_init+0x1ed/0x14c0 [ 109.759524][ T7783] ? v9fs_session_init+0x1ed/0x14c0 [ 109.764716][ T7783] ? find_held_lock+0x36/0x1d0 [ 109.769457][ T7783] ? v9fs_show_options+0x6c0/0x6c0 [ 109.774541][ T7783] ? __kasan_check_read+0x11/0x20 [ 109.779541][ T7783] ? v9fs_mount+0x55/0x7f0 [ 109.783930][ T7783] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.789562][ T7783] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 109.795644][ T7783] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 109.801425][ T7783] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.806959][ T7783] ? apparmor_task_alloc+0x2f0/0x2f0 [ 109.812229][ T7783] v9fs_mount+0x72/0x7f0 [ 109.816462][ T7783] ? v9fs_write_inode+0x50/0x50 [ 109.821297][ T7783] legacy_get_tree+0x103/0x1f0 [ 109.826036][ T7783] vfs_get_tree+0x8b/0x2d0 [ 109.830427][ T7783] ? capable+0x14/0x20 [ 109.834517][ T7783] do_mount+0x1270/0x1b60 [ 109.838822][ T7783] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 109.844430][ T7783] ? copy_mount_string+0x20/0x20 [ 109.849356][ T7783] ? kmem_cache_alloc_trace+0x39e/0x780 [ 109.854873][ T7783] ? __kasan_check_write+0x14/0x20 [ 109.859956][ T7783] ? _copy_from_user+0xd6/0x110 [ 109.864781][ T7783] ? __kasan_check_read+0x11/0x20 [ 109.869782][ T7783] ? copy_mount_options+0x77/0x2c0 [ 109.874867][ T7783] __x64_sys_mount+0x169/0x1c0 [ 109.880139][ T7783] do_syscall_64+0xd0/0x600 [ 109.884622][ T7783] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.890924][ T7783] RIP: 0033:0x458da9 [ 109.894794][ T7783] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.914383][ T7783] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 109.922778][ T7783] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 109.930728][ T7783] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 109.938673][ T7783] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 109.946636][ T7783] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 109.955106][ T7783] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 109.963256][ T7819] CPU: 1 PID: 7819 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 109.972009][ T7819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.982146][ T7819] Call Trace: [ 109.985605][ T7819] dump_stack+0x12d/0x187 [ 109.989939][ T7819] should_fail.cold.4+0x5/0x13 [ 109.994703][ T7819] ? do_mount+0x1270/0x1b60 [ 109.997262][ T7822] FAULT_INJECTION: forcing a failure. [ 109.997262][ T7822] name failslab, interval 1, probability 0, space 0, times 0 [ 109.999273][ T7819] ? fault_create_debugfs_attr+0x150/0x150 [ 110.017754][ T7819] ? find_held_lock+0x36/0x1d0 [ 110.022498][ T7819] should_fail_alloc_page+0x50/0x60 [ 110.027936][ T7819] __alloc_pages_nodemask+0x17f/0x890 [ 110.035913][ T7819] ? cache_grow_end+0xa8/0x190 [ 110.040652][ T7819] ? __alloc_pages_slowpath+0x2570/0x2570 [ 110.046357][ T7819] ? do_raw_spin_lock+0x132/0x2e0 [ 110.051372][ T7819] cache_grow_begin+0x92/0xca0 [ 110.056126][ T7819] ? __kmalloc+0xc5/0x790 [ 110.060692][ T7819] ? trace_hardirqs_off+0x41/0x1a0 [ 110.065776][ T7819] __kmalloc+0x6cd/0x790 [ 110.070006][ T7819] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 110.075264][ T7819] p9_fcall_init.isra.2+0x55/0x1c0 [ 110.080347][ T7819] p9_client_prepare_req.part.5+0x116/0x670 [ 110.086214][ T7819] p9_client_rpc+0x174/0xe50 [ 110.090792][ T7819] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 110.096579][ T7819] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.102628][ T7819] ? add_wait_queue+0x107/0x160 [ 110.107465][ T7819] ? p9_pollwait+0x182/0x210 [ 110.112046][ T7819] ? pipe_poll+0x80/0x300 [ 110.116612][ T7819] ? p9_fd_poll+0x19b/0x2a0 [ 110.121091][ T7819] ? p9_conn_create+0x399/0x4e0 [ 110.125914][ T7819] ? p9_conn_create+0x4e0/0x4e0 [ 110.130742][ T7819] p9_client_create+0x7ec/0x10e0 [ 110.135664][ T7819] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 110.141725][ T7819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.147246][ T7819] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.153381][ T7819] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.159165][ T7819] ? __kmalloc_track_caller+0x60e/0x780 [ 110.164721][ T7819] ? __x64_sys_mount+0x169/0x1c0 [ 110.169637][ T7819] ? do_syscall_64+0xd0/0x600 [ 110.174293][ T7819] ? lockdep_init_map+0x1b6/0x6c0 [ 110.179299][ T7819] v9fs_session_init+0x1ed/0x14c0 [ 110.184386][ T7819] ? v9fs_session_init+0x1ed/0x14c0 [ 110.189561][ T7819] ? find_held_lock+0x36/0x1d0 [ 110.194305][ T7819] ? v9fs_show_options+0x6c0/0x6c0 [ 110.199421][ T7819] ? __kasan_check_read+0x11/0x20 [ 110.205119][ T7819] ? v9fs_mount+0x55/0x7f0 [ 110.209508][ T7819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.215026][ T7819] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.221066][ T7819] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.226852][ T7819] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.232378][ T7819] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.237638][ T7819] v9fs_mount+0x72/0x7f0 [ 110.241946][ T7819] ? v9fs_write_inode+0x50/0x50 [ 110.246769][ T7819] legacy_get_tree+0x103/0x1f0 [ 110.251510][ T7819] vfs_get_tree+0x8b/0x2d0 [ 110.256021][ T7819] ? capable+0x14/0x20 [ 110.260082][ T7819] do_mount+0x1270/0x1b60 [ 110.264399][ T7819] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.269925][ T7819] ? copy_mount_string+0x20/0x20 [ 110.274839][ T7819] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.280358][ T7819] ? __kasan_check_write+0x14/0x20 [ 110.285441][ T7819] ? _copy_from_user+0xd6/0x110 [ 110.290365][ T7819] ? __kasan_check_read+0x11/0x20 [ 110.295462][ T7819] ? copy_mount_options+0x77/0x2c0 [ 110.300550][ T7819] __x64_sys_mount+0x169/0x1c0 [ 110.305291][ T7819] do_syscall_64+0xd0/0x600 [ 110.309781][ T7819] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.315648][ T7819] RIP: 0033:0x458da9 [ 110.319522][ T7819] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.339211][ T7819] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 110.347614][ T7819] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 110.355564][ T7819] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 110.363511][ T7819] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 110.371924][ T7819] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 110.379890][ T7819] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 110.387858][ T7822] CPU: 0 PID: 7822 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 110.396446][ T7822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.396451][ T7822] Call Trace: [ 110.396463][ T7822] dump_stack+0x12d/0x187 [ 110.396473][ T7822] should_fail.cold.4+0x5/0x13 [ 110.396479][ T7822] ? stack_trace_save+0x82/0xb0 [ 110.396485][ T7822] ? fault_create_debugfs_attr+0x150/0x150 [ 110.396499][ T7822] __should_failslab+0xba/0xf0 [ 110.396507][ T7822] should_failslab+0x9/0x14 [ 110.396514][ T7822] kmem_cache_alloc+0x47/0x750 [ 110.396520][ T7822] ? __x64_sys_mount+0x169/0x1c0 [ 110.396527][ T7822] ? do_syscall_64+0xd0/0x600 [ 110.396539][ T7822] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 110.396545][ T7822] ? __kasan_check_read+0x11/0x20 [ 110.396554][ T7822] idr_get_free+0x35d/0x880 [ 110.396566][ T7822] ? __kasan_check_read+0x11/0x20 [ 110.396574][ T7822] idr_alloc_u32+0x13a/0x330 [ 110.396583][ T7822] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 110.396589][ T7822] ? mark_held_locks+0x130/0x130 [ 110.396598][ T7822] ? __kasan_check_write+0x14/0x20 [ 110.396606][ T7822] ? do_raw_spin_lock+0x132/0x2e0 [ 110.411813][ T7824] FAULT_INJECTION: forcing a failure. [ 110.411813][ T7824] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 110.415159][ T7822] idr_alloc+0x7d/0xc0 [ 110.517814][ T7822] ? idr_alloc_u32+0x330/0x330 [ 110.522573][ T7822] p9_client_prepare_req.part.5+0x571/0x670 [ 110.528462][ T7822] p9_client_rpc+0x174/0xe50 [ 110.533033][ T7822] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 110.538819][ T7822] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.544879][ T7822] ? add_wait_queue+0x107/0x160 [ 110.549743][ T7822] ? p9_pollwait+0x182/0x210 [ 110.554312][ T7822] ? pipe_poll+0x80/0x300 [ 110.558616][ T7822] ? p9_fd_poll+0x19b/0x2a0 [ 110.563105][ T7822] ? p9_conn_create+0x399/0x4e0 [ 110.567934][ T7822] ? p9_conn_create+0x4e0/0x4e0 [ 110.573371][ T7822] p9_client_create+0x7ec/0x10e0 [ 110.578289][ T7822] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 110.584334][ T7822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.589849][ T7822] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.595887][ T7822] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.601666][ T7822] ? __kmalloc_track_caller+0x60e/0x780 [ 110.607185][ T7822] ? __x64_sys_mount+0x169/0x1c0 [ 110.612098][ T7822] ? do_syscall_64+0xd0/0x600 [ 110.616743][ T7822] ? lockdep_init_map+0x1b6/0x6c0 [ 110.621745][ T7822] v9fs_session_init+0x1ed/0x14c0 [ 110.626740][ T7822] ? v9fs_session_init+0x1ed/0x14c0 [ 110.631920][ T7822] ? find_held_lock+0x36/0x1d0 [ 110.636659][ T7822] ? v9fs_show_options+0x6c0/0x6c0 [ 110.641748][ T7822] ? __kasan_check_read+0x11/0x20 [ 110.646749][ T7822] ? v9fs_mount+0x55/0x7f0 [ 110.651224][ T7822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.656742][ T7822] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 110.662788][ T7822] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 110.668598][ T7822] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.674134][ T7822] ? apparmor_task_alloc+0x2f0/0x2f0 [ 110.679418][ T7822] v9fs_mount+0x72/0x7f0 [ 110.683654][ T7822] ? v9fs_write_inode+0x50/0x50 [ 110.688486][ T7822] legacy_get_tree+0x103/0x1f0 [ 110.693231][ T7822] vfs_get_tree+0x8b/0x2d0 [ 110.697628][ T7822] ? capable+0x14/0x20 [ 110.701669][ T7822] do_mount+0x1270/0x1b60 [ 110.705974][ T7822] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 110.711500][ T7822] ? copy_mount_string+0x20/0x20 [ 110.716422][ T7822] ? kmem_cache_alloc_trace+0x39e/0x780 [ 110.721938][ T7822] ? __kasan_check_write+0x14/0x20 [ 110.727020][ T7822] ? _copy_from_user+0xd6/0x110 [ 110.731864][ T7822] ? __kasan_check_read+0x11/0x20 [ 110.736878][ T7822] ? copy_mount_options+0x77/0x2c0 [ 110.741980][ T7822] __x64_sys_mount+0x169/0x1c0 [ 110.746726][ T7822] do_syscall_64+0xd0/0x600 [ 110.751209][ T7822] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 110.757081][ T7822] RIP: 0033:0x458da9 [ 110.760952][ T7822] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 110.780529][ T7822] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 110.788922][ T7822] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 110.796873][ T7822] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 110.804816][ T7822] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 110.812760][ T7822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 110.820708][ T7822] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 110.828669][ T7824] CPU: 1 PID: 7824 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 110.837863][ T7824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 110.847911][ T7824] Call Trace: [ 110.851196][ T7824] dump_stack+0x12d/0x187 [ 110.853747][ T7827] FAULT_INJECTION: forcing a failure. [ 110.853747][ T7827] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 110.855526][ T7824] should_fail.cold.4+0x5/0x13 [ 110.873431][ T7824] ? do_mount+0x1270/0x1b60 [ 110.877909][ T7824] ? fault_create_debugfs_attr+0x150/0x150 [ 110.883689][ T7824] ? find_held_lock+0x36/0x1d0 [ 110.888427][ T7824] should_fail_alloc_page+0x50/0x60 [ 110.893607][ T7824] __alloc_pages_nodemask+0x17f/0x890 [ 110.898949][ T7824] ? cache_grow_end+0xa8/0x190 [ 110.903686][ T7824] ? __alloc_pages_slowpath+0x2570/0x2570 [ 110.909379][ T7824] ? do_raw_spin_lock+0x132/0x2e0 [ 110.914398][ T7824] cache_grow_begin+0x92/0xca0 [ 110.919130][ T7824] ? __kmalloc+0xc5/0x790 [ 110.923433][ T7824] ? trace_hardirqs_off+0x41/0x1a0 [ 110.928514][ T7824] __kmalloc+0x6cd/0x790 [ 110.932731][ T7824] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 110.937989][ T7824] p9_fcall_init.isra.2+0x55/0x1c0 [ 110.943076][ T7824] p9_client_prepare_req.part.5+0x116/0x670 [ 110.948940][ T7824] p9_client_rpc+0x174/0xe50 [ 110.953507][ T7824] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 110.959283][ T7824] ? p9_client_prepare_req.part.5+0x670/0x670 [ 110.965322][ T7824] ? add_wait_queue+0x107/0x160 [ 110.970146][ T7824] ? p9_pollwait+0x182/0x210 [ 110.974709][ T7824] ? pipe_poll+0x80/0x300 [ 110.979013][ T7824] ? p9_fd_poll+0x19b/0x2a0 [ 110.983488][ T7824] ? p9_conn_create+0x399/0x4e0 [ 110.988320][ T7824] ? p9_conn_create+0x4e0/0x4e0 [ 110.993146][ T7824] p9_client_create+0x7ec/0x10e0 [ 110.998057][ T7824] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.004097][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.009625][ T7824] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.015666][ T7824] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.021444][ T7824] ? __kmalloc_track_caller+0x60e/0x780 [ 111.027491][ T7824] ? __x64_sys_mount+0x169/0x1c0 [ 111.032398][ T7824] ? do_syscall_64+0xd0/0x600 [ 111.037043][ T7824] ? lockdep_init_map+0x1b6/0x6c0 [ 111.042045][ T7824] v9fs_session_init+0x1ed/0x14c0 [ 111.047052][ T7824] ? v9fs_session_init+0x1ed/0x14c0 [ 111.052228][ T7824] ? find_held_lock+0x36/0x1d0 [ 111.057939][ T7824] ? v9fs_show_options+0x6c0/0x6c0 [ 111.063562][ T7824] ? __kasan_check_read+0x11/0x20 [ 111.068585][ T7824] ? v9fs_mount+0x55/0x7f0 [ 111.072982][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.078518][ T7824] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.084571][ T7824] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.090359][ T7824] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.095881][ T7824] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.101139][ T7824] v9fs_mount+0x72/0x7f0 [ 111.105357][ T7824] ? v9fs_write_inode+0x50/0x50 [ 111.110195][ T7824] legacy_get_tree+0x103/0x1f0 [ 111.114951][ T7824] vfs_get_tree+0x8b/0x2d0 [ 111.119345][ T7824] ? capable+0x14/0x20 [ 111.123406][ T7824] do_mount+0x1270/0x1b60 [ 111.127727][ T7824] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.133252][ T7824] ? copy_mount_string+0x20/0x20 [ 111.138187][ T7824] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.143724][ T7824] ? __kasan_check_write+0x14/0x20 [ 111.148811][ T7824] ? _copy_from_user+0xd6/0x110 [ 111.153682][ T7824] ? __kasan_check_read+0x11/0x20 [ 111.158701][ T7824] ? copy_mount_options+0x77/0x2c0 [ 111.163790][ T7824] __x64_sys_mount+0x169/0x1c0 [ 111.168643][ T7824] do_syscall_64+0xd0/0x600 [ 111.173137][ T7824] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.179007][ T7824] RIP: 0033:0x458da9 [ 111.182882][ 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 [ 111.202474][ T7824] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 111.210873][ T7824] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 111.218836][ T7824] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 111.226787][ T7824] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 111.234760][ T7824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 111.242735][ T7824] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 111.250705][ T7827] CPU: 0 PID: 7827 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 111.258690][ T7829] FAULT_INJECTION: forcing a failure. [ 111.258690][ T7829] name failslab, interval 1, probability 0, space 0, times 0 [ 111.259277][ T7827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.259283][ T7827] Call Trace: [ 111.281921][ T7827] dump_stack+0x12d/0x187 [ 111.281933][ T7827] should_fail.cold.4+0x5/0x13 [ 111.281939][ T7827] ? do_mount+0x1270/0x1b60 [ 111.281946][ T7827] ? fault_create_debugfs_attr+0x150/0x150 [ 111.281956][ T7827] ? find_held_lock+0x36/0x1d0 [ 111.281964][ T7827] should_fail_alloc_page+0x50/0x60 [ 111.281969][ T7827] __alloc_pages_nodemask+0x17f/0x890 [ 111.281976][ T7827] ? cache_grow_end+0xa8/0x190 [ 111.281984][ T7827] ? __alloc_pages_slowpath+0x2570/0x2570 [ 111.294316][ T7827] ? do_raw_spin_lock+0x132/0x2e0 [ 111.294333][ T7827] cache_grow_begin+0x92/0xca0 [ 111.294338][ T7827] ? __kmalloc+0xc5/0x790 [ 111.294345][ T7827] ? trace_hardirqs_off+0x41/0x1a0 [ 111.294353][ T7827] __kmalloc+0x6cd/0x790 [ 111.294362][ T7827] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 111.294370][ T7827] p9_fcall_init.isra.2+0x55/0x1c0 [ 111.294378][ T7827] p9_client_prepare_req.part.5+0x116/0x670 [ 111.304646][ T7827] p9_client_rpc+0x174/0xe50 [ 111.314560][ T7827] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 111.314568][ T7827] ? p9_client_prepare_req.part.5+0x670/0x670 [ 111.314575][ T7827] ? add_wait_queue+0x107/0x160 [ 111.314583][ T7827] ? p9_pollwait+0x182/0x210 [ 111.314591][ T7827] ? pipe_poll+0x80/0x300 [ 111.314598][ T7827] ? p9_fd_poll+0x19b/0x2a0 [ 111.314605][ T7827] ? p9_conn_create+0x399/0x4e0 [ 111.314613][ T7827] ? p9_conn_create+0x4e0/0x4e0 [ 111.314625][ T7827] p9_client_create+0x7ec/0x10e0 [ 111.335907][ T7827] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.335915][ T7827] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.335919][ T7827] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.335926][ T7827] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.335935][ T7827] ? __kmalloc_track_caller+0x60e/0x780 [ 111.335942][ T7827] ? __x64_sys_mount+0x169/0x1c0 [ 111.335948][ T7827] ? do_syscall_64+0xd0/0x600 [ 111.335952][ T7827] ? lockdep_init_map+0x1b6/0x6c0 [ 111.335965][ T7827] v9fs_session_init+0x1ed/0x14c0 [ 111.335969][ T7827] ? v9fs_session_init+0x1ed/0x14c0 [ 111.335979][ T7827] ? find_held_lock+0x36/0x1d0 [ 111.350120][ T7827] ? v9fs_show_options+0x6c0/0x6c0 [ 111.370581][ T7827] ? __kasan_check_read+0x11/0x20 [ 111.488485][ T7827] ? v9fs_mount+0x55/0x7f0 [ 111.492875][ T7827] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.498393][ T7827] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.504445][ T7827] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.510228][ T7827] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.515749][ T7827] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.521008][ T7827] v9fs_mount+0x72/0x7f0 [ 111.525227][ T7827] ? v9fs_write_inode+0x50/0x50 [ 111.530047][ T7827] legacy_get_tree+0x103/0x1f0 [ 111.534794][ T7827] vfs_get_tree+0x8b/0x2d0 [ 111.539181][ T7827] ? capable+0x14/0x20 [ 111.543231][ T7827] do_mount+0x1270/0x1b60 [ 111.547531][ T7827] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.553052][ T7827] ? copy_mount_string+0x20/0x20 [ 111.557966][ T7827] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.563575][ T7827] ? __kasan_check_write+0x14/0x20 [ 111.568656][ T7827] ? _copy_from_user+0xd6/0x110 [ 111.573478][ T7827] ? __kasan_check_read+0x11/0x20 [ 111.578473][ T7827] ? copy_mount_options+0x77/0x2c0 [ 111.583578][ T7827] __x64_sys_mount+0x169/0x1c0 [ 111.588328][ T7827] do_syscall_64+0xd0/0x600 [ 111.592826][ T7827] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.598700][ T7827] RIP: 0033:0x458da9 [ 111.602574][ 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 [ 111.623036][ T7827] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 111.631425][ T7827] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 111.639381][ T7827] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 111.647326][ T7827] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 111.655273][ T7827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 111.663218][ T7827] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 111.671354][ T7829] CPU: 1 PID: 7829 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 111.676982][ T7826] FAULT_INJECTION: forcing a failure. [ 111.676982][ T7826] name failslab, interval 1, probability 0, space 0, times 0 [ 111.679928][ T7829] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.679932][ T7829] Call Trace: [ 111.679943][ T7829] dump_stack+0x12d/0x187 [ 111.679955][ T7829] should_fail.cold.4+0x5/0x13 [ 111.679962][ T7829] ? fault_create_debugfs_attr+0x150/0x150 [ 111.679971][ T7829] ? ___might_sleep+0x16b/0x2b0 [ 111.725633][ T7829] __should_failslab+0xba/0xf0 [ 111.730376][ T7829] should_failslab+0x9/0x14 [ 111.734859][ T7829] __kmalloc+0x2eb/0x790 [ 111.739082][ T7829] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 111.744365][ T7829] p9_fcall_init.isra.2+0x55/0x1c0 [ 111.749479][ T7829] p9_client_prepare_req.part.5+0x116/0x670 [ 111.755368][ T7829] p9_client_rpc+0x174/0xe50 [ 111.759944][ T7829] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 111.765749][ T7829] ? p9_client_prepare_req.part.5+0x670/0x670 [ 111.771799][ T7829] ? add_wait_queue+0x107/0x160 [ 111.776629][ T7829] ? p9_pollwait+0x182/0x210 [ 111.781194][ T7829] ? pipe_poll+0x80/0x300 [ 111.785496][ T7829] ? p9_fd_poll+0x19b/0x2a0 [ 111.789976][ T7829] ? p9_conn_create+0x399/0x4e0 [ 111.794811][ T7829] ? p9_conn_create+0x4e0/0x4e0 [ 111.799661][ T7829] p9_client_create+0x7ec/0x10e0 [ 111.804598][ T7829] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 111.810653][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.816181][ T7829] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.822233][ T7829] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.828026][ T7829] ? __kmalloc_track_caller+0x60e/0x780 [ 111.833898][ T7829] ? __x64_sys_mount+0x169/0x1c0 [ 111.838818][ T7829] ? do_syscall_64+0xd0/0x600 [ 111.843473][ T7829] ? lockdep_init_map+0x1b6/0x6c0 [ 111.848483][ T7829] v9fs_session_init+0x1ed/0x14c0 [ 111.853505][ T7829] ? v9fs_session_init+0x1ed/0x14c0 [ 111.858718][ T7829] ? find_held_lock+0x36/0x1d0 [ 111.863905][ T7829] ? v9fs_show_options+0x6c0/0x6c0 [ 111.868999][ T7829] ? __kasan_check_read+0x11/0x20 [ 111.874007][ T7829] ? v9fs_mount+0x55/0x7f0 [ 111.878405][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.883933][ T7829] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 111.889980][ T7829] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 111.895768][ T7829] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.901821][ T7829] ? apparmor_task_alloc+0x2f0/0x2f0 [ 111.907092][ T7829] v9fs_mount+0x72/0x7f0 [ 111.911330][ T7829] ? v9fs_write_inode+0x50/0x50 [ 111.916248][ T7829] legacy_get_tree+0x103/0x1f0 [ 111.920991][ T7829] vfs_get_tree+0x8b/0x2d0 [ 111.925385][ T7829] ? capable+0x14/0x20 [ 111.929446][ T7829] do_mount+0x1270/0x1b60 [ 111.933860][ T7829] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 111.939393][ T7829] ? copy_mount_string+0x20/0x20 [ 111.944318][ T7829] ? kmem_cache_alloc_trace+0x39e/0x780 [ 111.949858][ T7829] ? __kasan_check_write+0x14/0x20 [ 111.954947][ T7829] ? _copy_from_user+0xd6/0x110 [ 111.959782][ T7829] ? __kasan_check_read+0x11/0x20 [ 111.964782][ T7829] ? copy_mount_options+0x77/0x2c0 [ 111.969875][ T7829] __x64_sys_mount+0x169/0x1c0 [ 111.974624][ T7829] do_syscall_64+0xd0/0x600 [ 111.979112][ T7829] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 111.984978][ T7829] RIP: 0033:0x458da9 [ 111.988845][ 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 [ 112.008426][ T7829] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.016812][ T7829] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 112.024767][ T7829] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 112.032719][ T7829] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.040678][ T7829] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 112.048895][ T7829] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.057209][ T7826] CPU: 0 PID: 7826 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 112.065792][ T7826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.075835][ T7826] Call Trace: [ 112.075848][ T7826] dump_stack+0x12d/0x187 [ 112.075857][ T7826] should_fail.cold.4+0x5/0x13 [ 112.075865][ T7826] ? fault_create_debugfs_attr+0x150/0x150 2019/12/18 21:49:26 executed programs: 140 [ 112.075876][ T7826] ? ___might_sleep+0x16b/0x2b0 [ 112.083454][ T7826] __should_failslab+0xba/0xf0 [ 112.083463][ T7826] should_failslab+0x9/0x14 [ 112.083470][ T7826] __kmalloc+0x2eb/0x790 [ 112.083480][ T7826] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 112.083488][ T7826] p9_fcall_init.isra.2+0x55/0x1c0 [ 112.083496][ T7826] p9_client_prepare_req.part.5+0x116/0x670 [ 112.083506][ T7826] p9_client_rpc+0x174/0xe50 [ 112.083515][ T7826] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 112.083521][ T7826] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.106570][ T7840] FAULT_INJECTION: forcing a failure. [ 112.106570][ T7840] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 112.108106][ T7826] ? add_wait_queue+0x107/0x160 [ 112.164335][ T7826] ? p9_pollwait+0x182/0x210 [ 112.168926][ T7826] ? pipe_poll+0x80/0x300 [ 112.173256][ T7826] ? p9_fd_poll+0x19b/0x2a0 [ 112.177737][ T7826] ? p9_conn_create+0x399/0x4e0 [ 112.182562][ T7826] ? p9_conn_create+0x4e0/0x4e0 [ 112.187401][ T7826] p9_client_create+0x7ec/0x10e0 [ 112.192321][ T7826] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 112.198376][ T7826] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.203987][ T7826] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.210039][ T7826] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.215824][ T7826] ? __kmalloc_track_caller+0x60e/0x780 [ 112.221340][ T7826] ? __x64_sys_mount+0x169/0x1c0 [ 112.226252][ T7826] ? do_syscall_64+0xd0/0x600 [ 112.230910][ T7826] ? lockdep_init_map+0x1b6/0x6c0 [ 112.235912][ T7826] v9fs_session_init+0x1ed/0x14c0 [ 112.240910][ T7826] ? v9fs_session_init+0x1ed/0x14c0 [ 112.246086][ T7826] ? find_held_lock+0x36/0x1d0 [ 112.251083][ T7826] ? v9fs_show_options+0x6c0/0x6c0 [ 112.256163][ T7826] ? __kasan_check_read+0x11/0x20 [ 112.261171][ T7826] ? v9fs_mount+0x55/0x7f0 [ 112.265557][ T7826] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.271071][ T7826] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.277109][ T7826] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.282891][ T7826] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.288410][ T7826] ? apparmor_task_alloc+0x2f0/0x2f0 [ 112.293667][ T7826] v9fs_mount+0x72/0x7f0 [ 112.297881][ T7826] ? v9fs_write_inode+0x50/0x50 [ 112.302876][ T7826] legacy_get_tree+0x103/0x1f0 [ 112.307620][ T7826] vfs_get_tree+0x8b/0x2d0 [ 112.312962][ T7826] ? capable+0x14/0x20 [ 112.317005][ T7826] do_mount+0x1270/0x1b60 [ 112.321303][ T7826] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.326833][ T7826] ? copy_mount_string+0x20/0x20 [ 112.331773][ T7826] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.337303][ T7826] ? __kasan_check_write+0x14/0x20 [ 112.342389][ T7826] ? __kasan_check_read+0x11/0x20 [ 112.347389][ T7826] ? copy_mount_options+0x77/0x2c0 [ 112.352495][ T7826] __x64_sys_mount+0x169/0x1c0 [ 112.357245][ T7826] do_syscall_64+0xd0/0x600 [ 112.361744][ T7826] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.367611][ T7826] RIP: 0033:0x458da9 [ 112.371479][ T7826] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 112.391055][ T7826] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.399444][ T7826] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 112.407397][ T7826] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 112.415340][ T7826] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.423287][ T7826] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 112.431230][ T7826] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.439189][ T7840] CPU: 1 PID: 7840 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 112.447763][ T7840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.457810][ T7840] Call Trace: [ 112.461091][ T7840] dump_stack+0x12d/0x187 [ 112.465426][ T7840] should_fail.cold.4+0x5/0x13 [ 112.470181][ T7840] ? do_mount+0x1270/0x1b60 [ 112.474693][ T7840] ? fault_create_debugfs_attr+0x150/0x150 [ 112.480506][ T7840] ? find_held_lock+0x36/0x1d0 [ 112.484447][ T7846] FAULT_INJECTION: forcing a failure. [ 112.484447][ T7846] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 112.485260][ T7840] should_fail_alloc_page+0x50/0x60 [ 112.503591][ T7840] __alloc_pages_nodemask+0x17f/0x890 [ 112.508935][ T7840] ? cache_grow_end+0xa8/0x190 [ 112.513672][ T7840] ? __alloc_pages_slowpath+0x2570/0x2570 [ 112.519363][ T7840] ? do_raw_spin_lock+0x132/0x2e0 [ 112.524368][ T7840] cache_grow_begin+0x92/0xca0 [ 112.529113][ T7840] ? __kmalloc+0xc5/0x790 [ 112.533415][ T7840] ? trace_hardirqs_off+0x41/0x1a0 [ 112.538499][ T7840] __kmalloc+0x6cd/0x790 [ 112.542717][ T7840] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 112.547975][ T7840] p9_fcall_init.isra.2+0x55/0x1c0 [ 112.553062][ T7840] p9_client_prepare_req.part.5+0x116/0x670 [ 112.558931][ T7840] p9_client_rpc+0x174/0xe50 [ 112.563506][ T7840] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 112.569281][ T7840] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.575326][ T7840] ? add_wait_queue+0x107/0x160 [ 112.580152][ T7840] ? p9_pollwait+0x182/0x210 [ 112.584717][ T7840] ? pipe_poll+0x80/0x300 [ 112.589019][ T7840] ? p9_fd_poll+0x19b/0x2a0 [ 112.593497][ T7840] ? p9_conn_create+0x399/0x4e0 [ 112.598322][ T7840] ? p9_conn_create+0x4e0/0x4e0 [ 112.603145][ T7840] p9_client_create+0x7ec/0x10e0 [ 112.608146][ T7840] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 112.614182][ T7840] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.619702][ T7840] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.625737][ T7840] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.631516][ T7840] ? __kmalloc_track_caller+0x60e/0x780 [ 112.637031][ T7840] ? __x64_sys_mount+0x169/0x1c0 [ 112.641950][ T7840] ? do_syscall_64+0xd0/0x600 [ 112.646600][ T7840] ? lockdep_init_map+0x1b6/0x6c0 [ 112.651631][ T7840] v9fs_session_init+0x1ed/0x14c0 [ 112.656628][ T7840] ? v9fs_session_init+0x1ed/0x14c0 [ 112.661807][ T7840] ? find_held_lock+0x36/0x1d0 [ 112.666561][ T7840] ? v9fs_show_options+0x6c0/0x6c0 [ 112.671665][ T7840] ? __kasan_check_read+0x11/0x20 [ 112.676844][ T7840] ? v9fs_mount+0x55/0x7f0 [ 112.681246][ T7840] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.686768][ T7840] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 112.692815][ T7840] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 112.698601][ T7840] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.704128][ T7840] ? apparmor_task_alloc+0x2f0/0x2f0 [ 112.709389][ T7840] v9fs_mount+0x72/0x7f0 [ 112.714302][ T7840] ? v9fs_write_inode+0x50/0x50 [ 112.719129][ T7840] legacy_get_tree+0x103/0x1f0 [ 112.723869][ T7840] vfs_get_tree+0x8b/0x2d0 [ 112.728258][ T7840] ? capable+0x14/0x20 [ 112.732311][ T7840] do_mount+0x1270/0x1b60 [ 112.736612][ T7840] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 112.742131][ T7840] ? copy_mount_string+0x20/0x20 [ 112.747043][ T7840] ? kmem_cache_alloc_trace+0x39e/0x780 [ 112.752559][ T7840] ? __kasan_check_write+0x14/0x20 [ 112.757641][ T7840] ? _copy_from_user+0xd6/0x110 [ 112.762466][ T7840] ? __kasan_check_read+0x11/0x20 [ 112.767462][ T7840] ? copy_mount_options+0x77/0x2c0 [ 112.772544][ T7840] __x64_sys_mount+0x169/0x1c0 [ 112.777281][ T7840] do_syscall_64+0xd0/0x600 [ 112.781757][ T7840] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.787631][ T7840] RIP: 0033:0x458da9 [ 112.791501][ T7840] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 112.811104][ T7840] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 112.819584][ T7840] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 112.827534][ T7840] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 112.835483][ T7840] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 112.844390][ T7840] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 112.852346][ T7840] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 112.860308][ T7846] CPU: 0 PID: 7846 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 112.868878][ T7846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.879048][ T7846] Call Trace: [ 112.879064][ T7846] dump_stack+0x12d/0x187 [ 112.879074][ T7846] should_fail.cold.4+0x5/0x13 [ 112.879080][ T7846] ? do_mount+0x1270/0x1b60 [ 112.879099][ T7846] ? fault_create_debugfs_attr+0x150/0x150 [ 112.879109][ T7846] ? find_held_lock+0x36/0x1d0 [ 112.879118][ T7846] should_fail_alloc_page+0x50/0x60 [ 112.879126][ T7846] __alloc_pages_nodemask+0x17f/0x890 [ 112.885052][ T7848] FAULT_INJECTION: forcing a failure. [ 112.885052][ T7848] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 112.886714][ T7846] ? cache_grow_end+0xa8/0x190 [ 112.934839][ T7846] ? __alloc_pages_slowpath+0x2570/0x2570 [ 112.940540][ T7846] ? do_raw_spin_lock+0x132/0x2e0 [ 112.945544][ T7846] cache_grow_begin+0x92/0xca0 [ 112.950278][ T7846] ? __kmalloc+0xc5/0x790 [ 112.954589][ T7846] ? trace_hardirqs_off+0x41/0x1a0 [ 112.959686][ T7846] __kmalloc+0x6cd/0x790 [ 112.963905][ T7846] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 112.969164][ T7846] p9_fcall_init.isra.2+0x55/0x1c0 [ 112.974247][ T7846] p9_client_prepare_req.part.5+0x116/0x670 [ 112.980116][ T7846] p9_client_rpc+0x174/0xe50 [ 112.984679][ T7846] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 112.990455][ T7846] ? p9_client_prepare_req.part.5+0x670/0x670 [ 112.996494][ T7846] ? add_wait_queue+0x107/0x160 [ 113.001319][ T7846] ? p9_pollwait+0x182/0x210 [ 113.005880][ T7846] ? pipe_poll+0x80/0x300 [ 113.010181][ T7846] ? p9_fd_poll+0x19b/0x2a0 [ 113.014839][ T7846] ? p9_conn_create+0x399/0x4e0 [ 113.019674][ T7846] ? p9_conn_create+0x4e0/0x4e0 [ 113.024501][ T7846] p9_client_create+0x7ec/0x10e0 [ 113.029423][ T7846] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 113.035464][ T7846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.040985][ T7846] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.047020][ T7846] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.052798][ T7846] ? __kmalloc_track_caller+0x60e/0x780 [ 113.058320][ T7846] ? __x64_sys_mount+0x169/0x1c0 [ 113.063227][ T7846] ? do_syscall_64+0xd0/0x600 [ 113.067881][ T7846] ? lockdep_init_map+0x1b6/0x6c0 [ 113.075571][ T7846] v9fs_session_init+0x1ed/0x14c0 [ 113.080566][ T7846] ? v9fs_session_init+0x1ed/0x14c0 [ 113.085741][ T7846] ? find_held_lock+0x36/0x1d0 [ 113.090484][ T7846] ? v9fs_show_options+0x6c0/0x6c0 [ 113.095565][ T7846] ? __kasan_check_read+0x11/0x20 [ 113.100563][ T7846] ? v9fs_mount+0x55/0x7f0 [ 113.104948][ T7846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.110464][ T7846] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.116509][ T7846] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.122288][ T7846] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.127808][ T7846] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.133068][ T7846] v9fs_mount+0x72/0x7f0 [ 113.138314][ T7846] ? v9fs_write_inode+0x50/0x50 [ 113.143138][ T7846] legacy_get_tree+0x103/0x1f0 [ 113.147875][ T7846] vfs_get_tree+0x8b/0x2d0 [ 113.152261][ T7846] ? capable+0x14/0x20 [ 113.156302][ T7846] do_mount+0x1270/0x1b60 [ 113.160626][ T7846] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.166153][ T7846] ? copy_mount_string+0x20/0x20 [ 113.171156][ T7846] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.176683][ T7846] ? __kasan_check_write+0x14/0x20 [ 113.181788][ T7846] ? _copy_from_user+0xd6/0x110 [ 113.186747][ T7846] ? __kasan_check_read+0x11/0x20 [ 113.191762][ T7846] ? copy_mount_options+0x77/0x2c0 [ 113.196853][ T7846] __x64_sys_mount+0x169/0x1c0 [ 113.201613][ T7846] do_syscall_64+0xd0/0x600 [ 113.206108][ T7846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.211984][ T7846] RIP: 0033:0x458da9 [ 113.215861][ 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 [ 113.235526][ T7846] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 113.243996][ T7846] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 113.251947][ T7846] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 113.259892][ T7846] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 113.267835][ T7846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 113.275776][ T7846] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 113.283735][ T7848] CPU: 1 PID: 7848 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 113.292317][ T7848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.293580][ T7845] FAULT_INJECTION: forcing a failure. [ 113.293580][ T7845] name failslab, interval 1, probability 0, space 0, times 0 [ 113.302357][ T7848] Call Trace: [ 113.302369][ T7848] dump_stack+0x12d/0x187 [ 113.302381][ T7848] should_fail.cold.4+0x5/0x13 [ 113.302388][ T7848] ? do_mount+0x1270/0x1b60 [ 113.302395][ T7848] ? fault_create_debugfs_attr+0x150/0x150 [ 113.302405][ T7848] ? find_held_lock+0x36/0x1d0 [ 113.323083][ T7852] FAULT_INJECTION: forcing a failure. [ 113.323083][ T7852] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 113.327293][ T7848] should_fail_alloc_page+0x50/0x60 [ 113.360626][ T7848] __alloc_pages_nodemask+0x17f/0x890 [ 113.365971][ T7848] ? cache_grow_end+0xa8/0x190 [ 113.370710][ T7848] ? __alloc_pages_slowpath+0x2570/0x2570 [ 113.376494][ T7848] ? do_raw_spin_lock+0x132/0x2e0 [ 113.381500][ T7848] cache_grow_begin+0x92/0xca0 [ 113.386233][ T7848] ? __kmalloc+0xc5/0x790 [ 113.390545][ T7848] ? trace_hardirqs_off+0x41/0x1a0 [ 113.395630][ T7848] __kmalloc+0x6cd/0x790 [ 113.399849][ T7848] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 113.405104][ T7848] p9_fcall_init.isra.2+0x55/0x1c0 [ 113.410189][ T7848] p9_client_prepare_req.part.5+0x116/0x670 [ 113.416055][ T7848] p9_client_rpc+0x174/0xe50 [ 113.421313][ T7848] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 113.427097][ T7848] ? p9_client_prepare_req.part.5+0x670/0x670 [ 113.433136][ T7848] ? add_wait_queue+0x107/0x160 [ 113.437960][ T7848] ? p9_pollwait+0x182/0x210 [ 113.442522][ T7848] ? pipe_poll+0x80/0x300 [ 113.446835][ T7848] ? p9_fd_poll+0x19b/0x2a0 [ 113.451310][ T7848] ? p9_conn_create+0x399/0x4e0 [ 113.456136][ T7848] ? p9_conn_create+0x4e0/0x4e0 [ 113.460970][ T7848] p9_client_create+0x7ec/0x10e0 [ 113.465883][ T7848] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 113.471926][ T7848] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.477440][ T7848] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.483489][ T7848] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.489268][ T7848] ? __kmalloc_track_caller+0x60e/0x780 [ 113.494784][ T7848] ? __x64_sys_mount+0x169/0x1c0 [ 113.499695][ T7848] ? do_syscall_64+0xd0/0x600 [ 113.504340][ T7848] ? lockdep_init_map+0x1b6/0x6c0 [ 113.509339][ T7848] v9fs_session_init+0x1ed/0x14c0 [ 113.514337][ T7848] ? v9fs_session_init+0x1ed/0x14c0 [ 113.519517][ T7848] ? find_held_lock+0x36/0x1d0 [ 113.524257][ T7848] ? v9fs_show_options+0x6c0/0x6c0 [ 113.529340][ T7848] ? __kasan_check_read+0x11/0x20 [ 113.534337][ T7848] ? v9fs_mount+0x55/0x7f0 [ 113.538722][ T7848] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.544236][ T7848] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.550272][ T7848] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.556067][ T7848] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.561583][ T7848] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.566856][ T7848] v9fs_mount+0x72/0x7f0 [ 113.571070][ T7848] ? v9fs_write_inode+0x50/0x50 [ 113.575893][ T7848] legacy_get_tree+0x103/0x1f0 [ 113.580628][ T7848] vfs_get_tree+0x8b/0x2d0 [ 113.585024][ T7848] ? capable+0x14/0x20 [ 113.589065][ T7848] do_mount+0x1270/0x1b60 [ 113.593375][ T7848] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.598893][ T7848] ? copy_mount_string+0x20/0x20 [ 113.603802][ T7848] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.609320][ T7848] ? __kasan_check_write+0x14/0x20 [ 113.614490][ T7848] ? _copy_from_user+0xd6/0x110 [ 113.619319][ T7848] ? __kasan_check_read+0x11/0x20 [ 113.624313][ T7848] ? copy_mount_options+0x77/0x2c0 [ 113.629396][ T7848] __x64_sys_mount+0x169/0x1c0 [ 113.634132][ T7848] do_syscall_64+0xd0/0x600 [ 113.638608][ T7848] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 113.644474][ T7848] RIP: 0033:0x458da9 [ 113.648344][ T7848] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 113.667921][ T7848] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 113.676301][ T7848] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 113.684262][ T7848] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 113.692308][ T7848] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 113.700252][ T7848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 113.708195][ T7848] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 113.716156][ T7852] CPU: 0 PID: 7852 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 113.724729][ T7852] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 113.724733][ T7852] Call Trace: [ 113.724744][ T7852] dump_stack+0x12d/0x187 [ 113.724754][ T7852] should_fail.cold.4+0x5/0x13 [ 113.724760][ T7852] ? do_mount+0x1270/0x1b60 [ 113.724766][ T7852] ? fault_create_debugfs_attr+0x150/0x150 [ 113.724776][ T7852] ? find_held_lock+0x36/0x1d0 [ 113.724786][ T7852] should_fail_alloc_page+0x50/0x60 [ 113.724792][ T7852] __alloc_pages_nodemask+0x17f/0x890 [ 113.724798][ T7852] ? cache_grow_end+0xa8/0x190 [ 113.724804][ T7852] ? __alloc_pages_slowpath+0x2570/0x2570 [ 113.724810][ T7852] ? do_raw_spin_lock+0x132/0x2e0 [ 113.724823][ T7852] cache_grow_begin+0x92/0xca0 [ 113.724827][ T7852] ? __kmalloc+0xc5/0x790 [ 113.724835][ T7852] ? trace_hardirqs_off+0x41/0x1a0 [ 113.724843][ T7852] __kmalloc+0x6cd/0x790 [ 113.724853][ T7852] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 113.724861][ T7852] p9_fcall_init.isra.2+0x55/0x1c0 [ 113.724873][ T7852] p9_client_prepare_req.part.5+0x116/0x670 [ 113.724884][ T7852] p9_client_rpc+0x174/0xe50 [ 113.724897][ T7852] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 113.724902][ T7852] ? p9_client_prepare_req.part.5+0x670/0x670 [ 113.724909][ T7852] ? add_wait_queue+0x107/0x160 [ 113.724920][ T7852] ? p9_pollwait+0x182/0x210 [ 113.724928][ T7852] ? pipe_poll+0x80/0x300 [ 113.738331][ T7852] ? p9_fd_poll+0x19b/0x2a0 [ 113.747412][ T7852] ? p9_conn_create+0x399/0x4e0 [ 113.747421][ T7852] ? p9_conn_create+0x4e0/0x4e0 [ 113.747432][ T7852] p9_client_create+0x7ec/0x10e0 [ 113.747443][ T7852] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 113.747449][ T7852] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.747454][ T7852] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.747463][ T7852] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.757735][ T7852] ? __kmalloc_track_caller+0x60e/0x780 [ 113.757742][ T7852] ? __x64_sys_mount+0x169/0x1c0 [ 113.757748][ T7852] ? do_syscall_64+0xd0/0x600 [ 113.757753][ T7852] ? lockdep_init_map+0x1b6/0x6c0 [ 113.757767][ T7852] v9fs_session_init+0x1ed/0x14c0 [ 113.767676][ T7852] ? v9fs_session_init+0x1ed/0x14c0 [ 113.767686][ T7852] ? find_held_lock+0x36/0x1d0 [ 113.767696][ T7852] ? v9fs_show_options+0x6c0/0x6c0 [ 113.767701][ T7852] ? __kasan_check_read+0x11/0x20 [ 113.767710][ T7852] ? v9fs_mount+0x55/0x7f0 [ 113.777790][ T7852] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 113.777795][ T7852] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 113.777800][ T7852] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 113.777810][ T7852] ? kmem_cache_alloc_trace+0x39e/0x780 [ 113.777820][ T7852] ? apparmor_task_alloc+0x2f0/0x2f0 [ 113.788514][ T7852] v9fs_mount+0x72/0x7f0 [ 113.797553][ T7852] ? v9fs_write_inode+0x50/0x50 [ 113.797560][ T7852] legacy_get_tree+0x103/0x1f0 [ 113.797568][ T7852] vfs_get_tree+0x8b/0x2d0 [ 113.797573][ T7852] ? capable+0x14/0x20 [ 113.797581][ T7852] do_mount+0x1270/0x1b60 [ 113.797588][ T7852] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 113.797596][ T7852] ? copy_mount_string+0x20/0x20 [ 113.857722][ T7852] ? retint_kernel+0x2b/0x2b [ 113.857738][ T7852] ? copy_mount_options+0x1a8/0x2c0 [ 113.857748][ T7852] __x64_sys_mount+0x169/0x1c0 [ 113.857758][ T7852] do_syscall_64+0xd0/0x600 [ 113.872302][ T7861] FAULT_INJECTION: forcing a failure. [ 113.872302][ T7861] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 113.872593][ T7852] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.048591][ T7852] RIP: 0033:0x458da9 [ 114.052467][ T7852] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 114.072042][ T7852] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 114.080422][ T7852] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 114.088365][ T7852] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 114.096307][ T7852] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.104249][ T7852] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 114.112209][ T7852] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 114.120168][ T7861] CPU: 1 PID: 7861 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 114.128750][ T7861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.138801][ T7861] Call Trace: [ 114.142093][ T7861] dump_stack+0x12d/0x187 [ 114.143819][ T7863] FAULT_INJECTION: forcing a failure. [ 114.143819][ T7863] name failslab, interval 1, probability 0, space 0, times 0 [ 114.146424][ T7861] should_fail.cold.4+0x5/0x13 [ 114.163809][ T7861] ? do_mount+0x1270/0x1b60 [ 114.168293][ T7861] ? fault_create_debugfs_attr+0x150/0x150 [ 114.174081][ T7861] ? find_held_lock+0x36/0x1d0 [ 114.178834][ T7861] should_fail_alloc_page+0x50/0x60 [ 114.184013][ T7861] __alloc_pages_nodemask+0x17f/0x890 [ 114.189362][ T7861] ? cache_grow_end+0xa8/0x190 [ 114.194110][ T7861] ? __alloc_pages_slowpath+0x2570/0x2570 [ 114.199802][ T7861] ? do_raw_spin_lock+0x132/0x2e0 [ 114.204803][ T7861] cache_grow_begin+0x92/0xca0 [ 114.209538][ T7861] ? __kmalloc+0xc5/0x790 [ 114.213837][ T7861] ? trace_hardirqs_off+0x41/0x1a0 [ 114.219014][ T7861] __kmalloc+0x6cd/0x790 [ 114.223232][ T7861] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 114.228489][ T7861] p9_fcall_init.isra.2+0x55/0x1c0 [ 114.233576][ T7861] p9_client_prepare_req.part.5+0x116/0x670 [ 114.240225][ T7861] p9_client_rpc+0x174/0xe50 [ 114.244789][ T7861] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 114.250575][ T7861] ? p9_client_prepare_req.part.5+0x670/0x670 [ 114.256613][ T7861] ? add_wait_queue+0x107/0x160 [ 114.261541][ T7861] ? p9_pollwait+0x182/0x210 [ 114.266132][ T7861] ? pipe_poll+0x80/0x300 [ 114.270700][ T7861] ? p9_fd_poll+0x19b/0x2a0 [ 114.275194][ T7861] ? p9_conn_create+0x399/0x4e0 [ 114.280029][ T7861] ? p9_conn_create+0x4e0/0x4e0 [ 114.284881][ T7861] p9_client_create+0x7ec/0x10e0 [ 114.289803][ T7861] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 114.295848][ T7861] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.301366][ T7861] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.307423][ T7861] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.313206][ T7861] ? __kmalloc_track_caller+0x60e/0x780 [ 114.318726][ T7861] ? __x64_sys_mount+0x169/0x1c0 [ 114.323637][ T7861] ? do_syscall_64+0xd0/0x600 [ 114.328288][ T7861] ? lockdep_init_map+0x1b6/0x6c0 [ 114.333291][ T7861] v9fs_session_init+0x1ed/0x14c0 [ 114.338287][ T7861] ? v9fs_session_init+0x1ed/0x14c0 [ 114.343457][ T7861] ? find_held_lock+0x36/0x1d0 [ 114.348206][ T7861] ? v9fs_show_options+0x6c0/0x6c0 [ 114.353299][ T7861] ? __kasan_check_read+0x11/0x20 [ 114.359079][ T7861] ? v9fs_mount+0x55/0x7f0 [ 114.363477][ T7861] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.368992][ T7861] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.375114][ T7861] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.380893][ T7861] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.386411][ T7861] ? apparmor_task_alloc+0x2f0/0x2f0 [ 114.392018][ T7861] v9fs_mount+0x72/0x7f0 [ 114.396323][ T7861] ? v9fs_write_inode+0x50/0x50 [ 114.401144][ T7861] legacy_get_tree+0x103/0x1f0 [ 114.405880][ T7861] vfs_get_tree+0x8b/0x2d0 [ 114.410352][ T7861] ? capable+0x14/0x20 [ 114.414404][ T7861] do_mount+0x1270/0x1b60 [ 114.418702][ T7861] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.424220][ T7861] ? copy_mount_string+0x20/0x20 [ 114.429130][ T7861] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.434648][ T7861] ? __kasan_check_write+0x14/0x20 [ 114.439740][ T7861] ? _copy_from_user+0xd6/0x110 [ 114.444561][ T7861] ? __kasan_check_read+0x11/0x20 [ 114.449554][ T7861] ? copy_mount_options+0x77/0x2c0 [ 114.454647][ T7861] __x64_sys_mount+0x169/0x1c0 [ 114.459384][ T7861] do_syscall_64+0xd0/0x600 [ 114.463863][ T7861] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.469728][ T7861] RIP: 0033:0x458da9 [ 114.473597][ 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 [ 114.493174][ T7861] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 114.501564][ T7861] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 114.509510][ T7861] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 114.517455][ T7861] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.525398][ T7861] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 114.533352][ T7861] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 114.541322][ T7863] CPU: 0 PID: 7863 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 114.549897][ T7863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 114.549901][ T7863] Call Trace: [ 114.549912][ T7863] dump_stack+0x12d/0x187 [ 114.549924][ T7863] should_fail.cold.4+0x5/0x13 [ 114.549931][ T7863] ? stack_trace_save+0x82/0xb0 [ 114.549938][ T7863] ? fault_create_debugfs_attr+0x150/0x150 [ 114.563705][ T7865] FAULT_INJECTION: forcing a failure. [ 114.563705][ T7865] name failslab, interval 1, probability 0, space 0, times 0 [ 114.567560][ T7863] __should_failslab+0xba/0xf0 [ 114.567568][ T7863] should_failslab+0x9/0x14 [ 114.567577][ T7863] kmem_cache_alloc+0x47/0x750 [ 114.582942][ T7863] ? __x64_sys_mount+0x169/0x1c0 [ 114.614361][ T7863] ? do_syscall_64+0xd0/0x600 [ 114.619022][ T7863] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 114.619032][ T7863] ? __kasan_check_read+0x11/0x20 [ 114.619043][ T7863] idr_get_free+0x35d/0x880 [ 114.634917][ T7863] ? __kasan_check_read+0x11/0x20 [ 114.639935][ T7863] idr_alloc_u32+0x13a/0x330 [ 114.644519][ T7863] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 114.650660][ T7863] ? mark_held_locks+0x130/0x130 [ 114.655587][ T7863] ? __kasan_check_write+0x14/0x20 [ 114.660687][ T7863] ? do_raw_spin_lock+0x132/0x2e0 [ 114.665694][ T7863] idr_alloc+0x7d/0xc0 [ 114.669765][ T7863] ? idr_alloc_u32+0x330/0x330 [ 114.674525][ T7863] p9_client_prepare_req.part.5+0x571/0x670 [ 114.681561][ T7863] p9_client_rpc+0x174/0xe50 [ 114.686128][ T7863] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 114.691909][ T7863] ? p9_client_prepare_req.part.5+0x670/0x670 [ 114.697955][ T7863] ? add_wait_queue+0x107/0x160 [ 114.702785][ T7863] ? p9_pollwait+0x182/0x210 [ 114.707354][ T7863] ? pipe_poll+0x80/0x300 [ 114.711668][ T7863] ? p9_fd_poll+0x19b/0x2a0 [ 114.716160][ T7863] ? p9_conn_create+0x399/0x4e0 [ 114.721072][ T7863] ? p9_conn_create+0x4e0/0x4e0 [ 114.725900][ T7863] p9_client_create+0x7ec/0x10e0 [ 114.730837][ T7863] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 114.736879][ T7863] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.742405][ T7863] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.748444][ T7863] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.754233][ T7863] ? __kmalloc_track_caller+0x60e/0x780 [ 114.759774][ T7863] ? __x64_sys_mount+0x169/0x1c0 [ 114.764694][ T7863] ? do_syscall_64+0xd0/0x600 [ 114.769343][ T7863] ? lockdep_init_map+0x1b6/0x6c0 [ 114.774347][ T7863] v9fs_session_init+0x1ed/0x14c0 [ 114.779348][ T7863] ? v9fs_session_init+0x1ed/0x14c0 [ 114.784537][ T7863] ? find_held_lock+0x36/0x1d0 [ 114.789280][ T7863] ? v9fs_show_options+0x6c0/0x6c0 [ 114.794365][ T7863] ? __kasan_check_read+0x11/0x20 [ 114.799380][ T7863] ? v9fs_mount+0x55/0x7f0 [ 114.803787][ T7863] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.809323][ T7863] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 114.815372][ T7863] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 114.821159][ T7863] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.826702][ T7863] ? apparmor_task_alloc+0x2f0/0x2f0 [ 114.831970][ T7863] v9fs_mount+0x72/0x7f0 [ 114.836191][ T7863] ? v9fs_write_inode+0x50/0x50 [ 114.841029][ T7863] legacy_get_tree+0x103/0x1f0 [ 114.845770][ T7863] vfs_get_tree+0x8b/0x2d0 [ 114.850175][ T7863] ? capable+0x14/0x20 [ 114.854217][ T7863] do_mount+0x1270/0x1b60 [ 114.858523][ T7863] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 114.864054][ T7863] ? copy_mount_string+0x20/0x20 [ 114.868975][ T7863] ? kmem_cache_alloc_trace+0x39e/0x780 [ 114.874504][ T7863] ? __kasan_check_write+0x14/0x20 [ 114.879612][ T7863] ? _copy_from_user+0xd6/0x110 [ 114.884447][ T7863] ? __kasan_check_read+0x11/0x20 [ 114.889460][ T7863] ? copy_mount_options+0x77/0x2c0 [ 114.894577][ T7863] __x64_sys_mount+0x169/0x1c0 [ 114.899358][ T7863] do_syscall_64+0xd0/0x600 [ 114.903863][ T7863] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 114.909829][ T7863] RIP: 0033:0x458da9 [ 114.913716][ T7863] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 114.933405][ T7863] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 114.941804][ T7863] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 114.949763][ T7863] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 114.957720][ T7863] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 114.965691][ T7863] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 114.973650][ T7863] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 114.981708][ T7865] CPU: 1 PID: 7865 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 114.990389][ T7865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.000437][ T7865] Call Trace: [ 115.003717][ T7865] dump_stack+0x12d/0x187 [ 115.008037][ T7865] should_fail.cold.4+0x5/0x13 [ 115.012792][ T7865] ? fault_create_debugfs_attr+0x150/0x150 [ 115.018703][ T7865] ? ___might_sleep+0x16b/0x2b0 [ 115.023550][ T7865] __should_failslab+0xba/0xf0 [ 115.028299][ T7865] should_failslab+0x9/0x14 [ 115.032784][ T7865] __kmalloc+0x2eb/0x790 [ 115.037019][ T7865] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 115.042283][ T7865] p9_fcall_init.isra.2+0x55/0x1c0 [ 115.047373][ T7865] p9_client_prepare_req.part.5+0x116/0x670 [ 115.053272][ T7865] p9_client_rpc+0x174/0xe50 [ 115.057859][ T7865] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 115.063652][ T7865] ? p9_client_prepare_req.part.5+0x670/0x670 [ 115.069711][ T7865] ? add_wait_queue+0x107/0x160 [ 115.074552][ T7865] ? p9_pollwait+0x182/0x210 [ 115.079138][ T7865] ? pipe_poll+0x80/0x300 [ 115.083522][ T7865] ? p9_fd_poll+0x19b/0x2a0 [ 115.088005][ T7865] ? p9_conn_create+0x399/0x4e0 [ 115.092964][ T7865] ? p9_conn_create+0x4e0/0x4e0 [ 115.097896][ T7865] p9_client_create+0x7ec/0x10e0 [ 115.102827][ T7865] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 115.108900][ T7865] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.114722][ T7865] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.120778][ T7865] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.126581][ T7865] ? __kmalloc_track_caller+0x60e/0x780 [ 115.132105][ T7865] ? __x64_sys_mount+0x169/0x1c0 [ 115.137034][ T7865] ? do_syscall_64+0xd0/0x600 [ 115.141691][ T7865] ? lockdep_init_map+0x1b6/0x6c0 [ 115.146711][ T7865] v9fs_session_init+0x1ed/0x14c0 [ 115.151727][ T7865] ? v9fs_session_init+0x1ed/0x14c0 [ 115.156918][ T7865] ? find_held_lock+0x36/0x1d0 [ 115.161676][ T7865] ? v9fs_show_options+0x6c0/0x6c0 [ 115.166781][ T7865] ? __kasan_check_read+0x11/0x20 [ 115.171791][ T7865] ? v9fs_mount+0x55/0x7f0 [ 115.176194][ T7865] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.181727][ T7865] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.187781][ T7865] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.193568][ T7865] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.199112][ T7865] ? apparmor_task_alloc+0x2f0/0x2f0 [ 115.205076][ T7865] v9fs_mount+0x72/0x7f0 [ 115.209311][ T7865] ? v9fs_write_inode+0x50/0x50 [ 115.214153][ T7865] legacy_get_tree+0x103/0x1f0 [ 115.218911][ T7865] vfs_get_tree+0x8b/0x2d0 [ 115.223318][ T7865] ? capable+0x14/0x20 [ 115.227371][ T7865] do_mount+0x1270/0x1b60 [ 115.231691][ T7865] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.237234][ T7865] ? copy_mount_string+0x20/0x20 [ 115.242167][ T7865] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.247688][ T7865] ? __kasan_check_write+0x14/0x20 [ 115.252771][ T7865] ? _copy_from_user+0xd6/0x110 [ 115.257597][ T7865] ? __kasan_check_read+0x11/0x20 [ 115.262593][ T7865] ? copy_mount_options+0x77/0x2c0 [ 115.267679][ T7865] __x64_sys_mount+0x169/0x1c0 [ 115.272416][ T7865] do_syscall_64+0xd0/0x600 [ 115.276898][ T7865] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.282763][ T7865] RIP: 0033:0x458da9 [ 115.286635][ 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 [ 115.306213][ T7865] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 115.314596][ T7865] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 115.322556][ T7865] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 115.330519][ T7865] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 115.338471][ T7865] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 115.346432][ T7865] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 115.359017][ T7845] CPU: 1 PID: 7845 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 115.367614][ T7845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.377662][ T7845] Call Trace: [ 115.380946][ T7845] dump_stack+0x12d/0x187 [ 115.385266][ T7845] should_fail.cold.4+0x5/0x13 [ 115.385275][ T7845] ? fault_create_debugfs_attr+0x150/0x150 [ 115.385284][ T7845] ? ___might_sleep+0x16b/0x2b0 [ 115.385296][ T7845] __should_failslab+0xba/0xf0 [ 115.385303][ T7845] should_failslab+0x9/0x14 [ 115.385310][ T7845] __kmalloc+0x2eb/0x790 [ 115.385320][ T7845] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 115.385329][ T7845] p9_fcall_init.isra.2+0x55/0x1c0 [ 115.385338][ T7845] p9_client_prepare_req.part.5+0x116/0x670 [ 115.385347][ T7845] p9_client_rpc+0x174/0xe50 [ 115.385356][ T7845] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 115.385361][ T7845] ? p9_client_prepare_req.part.5+0x670/0x670 [ 115.385368][ T7845] ? add_wait_queue+0x107/0x160 [ 115.385375][ T7845] ? p9_pollwait+0x182/0x210 [ 115.385384][ T7845] ? pipe_poll+0x80/0x300 [ 115.385392][ T7845] ? p9_fd_poll+0x19b/0x2a0 [ 115.385399][ T7845] ? p9_conn_create+0x399/0x4e0 [ 115.385409][ T7845] ? p9_conn_create+0x4e0/0x4e0 [ 115.385422][ T7845] p9_client_create+0x7ec/0x10e0 [ 115.385435][ T7845] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 115.385440][ T7845] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.385446][ T7845] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.385451][ T7845] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.385460][ T7845] ? __kmalloc_track_caller+0x60e/0x780 [ 115.395994][ T7845] ? __x64_sys_mount+0x169/0x1c0 [ 115.396002][ T7845] ? do_syscall_64+0xd0/0x600 [ 115.396007][ T7845] ? lockdep_init_map+0x1b6/0x6c0 [ 115.396022][ T7845] v9fs_session_init+0x1ed/0x14c0 [ 115.396028][ T7845] ? v9fs_session_init+0x1ed/0x14c0 [ 115.396038][ T7845] ? find_held_lock+0x36/0x1d0 [ 115.396050][ T7845] ? v9fs_show_options+0x6c0/0x6c0 [ 115.396057][ T7845] ? __kasan_check_read+0x11/0x20 [ 115.396064][ T7845] ? v9fs_mount+0x55/0x7f0 [ 115.553667][ T7845] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.559362][ T7845] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.565416][ T7845] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.571243][ T7845] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.576785][ T7845] ? apparmor_task_alloc+0x2f0/0x2f0 [ 115.582047][ T7845] v9fs_mount+0x72/0x7f0 [ 115.586372][ T7845] ? v9fs_write_inode+0x50/0x50 [ 115.591223][ T7845] legacy_get_tree+0x103/0x1f0 [ 115.595970][ T7845] vfs_get_tree+0x8b/0x2d0 [ 115.600375][ T7845] ? capable+0x14/0x20 [ 115.604449][ T7845] do_mount+0x1270/0x1b60 [ 115.608762][ T7845] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.614280][ T7845] ? copy_mount_string+0x20/0x20 [ 115.619191][ T7845] ? kmem_cache_alloc_trace+0x39e/0x780 [ 115.624715][ T7845] ? __kasan_check_write+0x14/0x20 [ 115.629808][ T7845] ? _copy_from_user+0xd6/0x110 [ 115.634632][ T7845] ? __kasan_check_read+0x11/0x20 [ 115.639631][ T7845] ? copy_mount_options+0x77/0x2c0 [ 115.644747][ T7845] __x64_sys_mount+0x169/0x1c0 [ 115.649495][ T7845] do_syscall_64+0xd0/0x600 [ 115.653975][ T7845] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 115.659839][ T7845] RIP: 0033:0x458da9 [ 115.663711][ T7845] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 115.683302][ T7845] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 115.691792][ T7845] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 115.700880][ T7845] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 115.708827][ T7845] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 115.716774][ T7845] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 115.724733][ T7845] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 115.739356][ T7874] FAULT_INJECTION: forcing a failure. [ 115.739356][ T7874] name failslab, interval 1, probability 0, space 0, times 0 [ 115.751955][ T7874] CPU: 1 PID: 7874 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 115.751960][ T7874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 115.751962][ T7874] Call Trace: [ 115.751975][ T7874] dump_stack+0x12d/0x187 [ 115.751985][ T7874] should_fail.cold.4+0x5/0x13 [ 115.751991][ T7874] ? stack_trace_save+0x82/0xb0 [ 115.751997][ T7874] ? fault_create_debugfs_attr+0x150/0x150 [ 115.752012][ T7874] __should_failslab+0xba/0xf0 [ 115.752020][ T7874] should_failslab+0x9/0x14 [ 115.752027][ T7874] kmem_cache_alloc+0x47/0x750 [ 115.752033][ T7874] ? __x64_sys_mount+0x169/0x1c0 [ 115.752040][ T7874] ? do_syscall_64+0xd0/0x600 [ 115.752051][ T7874] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 115.752058][ T7874] ? __kasan_check_read+0x11/0x20 [ 115.752066][ T7874] idr_get_free+0x35d/0x880 [ 115.752077][ T7874] ? __kasan_check_read+0x11/0x20 [ 115.752085][ T7874] idr_alloc_u32+0x13a/0x330 [ 115.752094][ T7874] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 115.752101][ T7874] ? mark_held_locks+0x130/0x130 [ 115.752110][ T7874] ? __kasan_check_write+0x14/0x20 [ 115.752116][ T7874] ? do_raw_spin_lock+0x132/0x2e0 [ 115.752124][ T7874] idr_alloc+0x7d/0xc0 [ 115.752130][ T7874] ? idr_alloc_u32+0x330/0x330 [ 115.752144][ T7874] p9_client_prepare_req.part.5+0x571/0x670 [ 115.752154][ T7874] p9_client_rpc+0x174/0xe50 [ 115.752164][ T7874] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 115.752170][ T7874] ? p9_client_prepare_req.part.5+0x670/0x670 [ 115.752176][ T7874] ? add_wait_queue+0x107/0x160 [ 115.752185][ T7874] ? p9_pollwait+0x182/0x210 [ 115.752195][ T7874] ? pipe_poll+0x80/0x300 [ 115.910954][ T7874] ? p9_fd_poll+0x19b/0x2a0 [ 115.915432][ T7874] ? p9_conn_create+0x399/0x4e0 [ 115.920258][ T7874] ? p9_conn_create+0x4e0/0x4e0 [ 115.925107][ T7874] p9_client_create+0x7ec/0x10e0 [ 115.930035][ T7874] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 115.936082][ T7874] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 115.941599][ T7874] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 115.947726][ T7874] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 115.953510][ T7874] ? __kmalloc_track_caller+0x60e/0x780 [ 115.959029][ T7874] ? __x64_sys_mount+0x169/0x1c0 [ 115.963940][ T7874] ? do_syscall_64+0xd0/0x600 [ 115.968595][ T7874] ? lockdep_init_map+0x1b6/0x6c0 [ 115.973598][ T7874] v9fs_session_init+0x1ed/0x14c0 [ 115.978593][ T7874] ? v9fs_session_init+0x1ed/0x14c0 [ 115.983770][ T7874] ? find_held_lock+0x36/0x1d0 [ 115.988510][ T7874] ? v9fs_show_options+0x6c0/0x6c0 [ 115.993590][ T7874] ? __kasan_check_read+0x11/0x20 [ 115.998587][ T7874] ? v9fs_mount+0x55/0x7f0 [ 116.002990][ T7874] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.008512][ T7874] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.014569][ T7874] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.020367][ T7874] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.025891][ T7874] ? apparmor_task_alloc+0x2f0/0x2f0 [ 116.031154][ T7874] v9fs_mount+0x72/0x7f0 [ 116.035983][ T7874] ? v9fs_write_inode+0x50/0x50 [ 116.040813][ T7874] legacy_get_tree+0x103/0x1f0 [ 116.045554][ T7874] vfs_get_tree+0x8b/0x2d0 [ 116.049941][ T7874] ? capable+0x14/0x20 [ 116.053982][ T7874] do_mount+0x1270/0x1b60 [ 116.058297][ T7874] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.063813][ T7874] ? copy_mount_string+0x20/0x20 [ 116.068745][ T7874] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.074278][ T7874] ? __kasan_check_write+0x14/0x20 [ 116.079379][ T7874] ? _copy_from_user+0xd6/0x110 [ 116.084208][ T7874] ? __kasan_check_read+0x11/0x20 [ 116.089208][ T7874] ? copy_mount_options+0x77/0x2c0 [ 116.094296][ T7874] __x64_sys_mount+0x169/0x1c0 [ 116.099038][ T7874] do_syscall_64+0xd0/0x600 [ 116.104038][ T7874] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.109990][ T7874] RIP: 0033:0x458da9 [ 116.113856][ T7874] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 116.133431][ T7874] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 116.141820][ T7874] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 116.149767][ T7874] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 116.157719][ T7874] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 116.165670][ T7874] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 116.173628][ T7874] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 116.190261][ T7881] FAULT_INJECTION: forcing a failure. [ 116.190261][ T7881] name failslab, interval 1, probability 0, space 0, times 0 [ 116.193995][ T7882] FAULT_INJECTION: forcing a failure. [ 116.193995][ T7882] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 116.202854][ T7881] CPU: 1 PID: 7881 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 116.224669][ T7881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.234697][ T7881] Call Trace: [ 116.237970][ T7881] dump_stack+0x12d/0x187 [ 116.242286][ T7881] should_fail.cold.4+0x5/0x13 [ 116.247022][ T7881] ? stack_trace_save+0x82/0xb0 [ 116.251857][ T7881] ? fault_create_debugfs_attr+0x150/0x150 [ 116.257643][ T7881] __should_failslab+0xba/0xf0 [ 116.262383][ T7881] should_failslab+0x9/0x14 [ 116.266879][ T7881] kmem_cache_alloc+0x47/0x750 [ 116.271623][ T7881] ? __x64_sys_mount+0x169/0x1c0 [ 116.276537][ T7881] ? do_syscall_64+0xd0/0x600 [ 116.281197][ T7881] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 116.287589][ T7881] ? __kasan_check_read+0x11/0x20 [ 116.292588][ T7881] idr_get_free+0x35d/0x880 [ 116.297067][ T7881] ? __kasan_check_read+0x11/0x20 [ 116.302066][ T7881] idr_alloc_u32+0x13a/0x330 [ 116.306628][ T7881] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 116.312147][ T7881] ? mark_held_locks+0x130/0x130 [ 116.317057][ T7881] ? __kasan_check_write+0x14/0x20 [ 116.322169][ T7881] ? do_raw_spin_lock+0x132/0x2e0 [ 116.327191][ T7881] idr_alloc+0x7d/0xc0 [ 116.331245][ T7881] ? idr_alloc_u32+0x330/0x330 [ 116.335995][ T7881] p9_client_prepare_req.part.5+0x571/0x670 [ 116.341867][ T7881] p9_client_rpc+0x174/0xe50 [ 116.346434][ T7881] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 116.352209][ T7881] ? p9_client_prepare_req.part.5+0x670/0x670 [ 116.358267][ T7881] ? add_wait_queue+0x107/0x160 [ 116.363093][ T7881] ? p9_pollwait+0x182/0x210 [ 116.367659][ T7881] ? pipe_poll+0x80/0x300 [ 116.371963][ T7881] ? p9_fd_poll+0x19b/0x2a0 [ 116.376441][ T7881] ? p9_conn_create+0x399/0x4e0 [ 116.381264][ T7881] ? p9_conn_create+0x4e0/0x4e0 [ 116.386125][ T7881] p9_client_create+0x7ec/0x10e0 [ 116.391062][ T7881] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 116.397105][ T7881] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.402625][ T7881] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.408665][ T7881] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.414449][ T7881] ? __kmalloc_track_caller+0x60e/0x780 [ 116.419970][ T7881] ? __x64_sys_mount+0x169/0x1c0 [ 116.424881][ T7881] ? do_syscall_64+0xd0/0x600 [ 116.429536][ T7881] ? lockdep_init_map+0x1b6/0x6c0 [ 116.434537][ T7881] v9fs_session_init+0x1ed/0x14c0 [ 116.439707][ T7881] ? v9fs_session_init+0x1ed/0x14c0 [ 116.444883][ T7881] ? find_held_lock+0x36/0x1d0 [ 116.449627][ T7881] ? v9fs_show_options+0x6c0/0x6c0 [ 116.454736][ T7881] ? __kasan_check_read+0x11/0x20 [ 116.459732][ T7881] ? v9fs_mount+0x55/0x7f0 [ 116.464117][ T7881] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.469632][ T7881] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.475695][ T7881] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.481487][ T7881] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.487011][ T7881] ? apparmor_task_alloc+0x2f0/0x2f0 [ 116.492280][ T7881] v9fs_mount+0x72/0x7f0 [ 116.496497][ T7881] ? v9fs_write_inode+0x50/0x50 [ 116.501334][ T7881] legacy_get_tree+0x103/0x1f0 [ 116.506074][ T7881] vfs_get_tree+0x8b/0x2d0 [ 116.510462][ T7881] ? capable+0x14/0x20 [ 116.514502][ T7881] do_mount+0x1270/0x1b60 [ 116.518803][ T7881] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 116.524246][ T7881] ? copy_mount_string+0x20/0x20 [ 116.529154][ T7881] ? retint_kernel+0x2b/0x2b [ 116.533723][ T7881] ? copy_mount_options+0x1b3/0x2c0 [ 116.538896][ T7881] __x64_sys_mount+0x169/0x1c0 [ 116.543632][ T7881] do_syscall_64+0xd0/0x600 [ 116.548110][ T7881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.553974][ T7881] RIP: 0033:0x458da9 [ 116.557841][ T7881] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 116.577418][ T7881] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 116.585800][ T7881] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 116.593748][ T7881] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 116.601710][ T7881] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 116.609658][ T7881] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 116.617611][ T7881] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 116.625572][ T7882] CPU: 0 PID: 7882 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 116.631549][ T7884] FAULT_INJECTION: forcing a failure. [ 116.631549][ T7884] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 116.635188][ T7882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.635194][ T7882] Call Trace: [ 116.661649][ T7882] dump_stack+0x12d/0x187 [ 116.665954][ T7882] should_fail.cold.4+0x5/0x13 [ 116.670691][ T7882] ? do_mount+0x1270/0x1b60 [ 116.675173][ T7882] ? fault_create_debugfs_attr+0x150/0x150 [ 116.681050][ T7882] ? find_held_lock+0x36/0x1d0 [ 116.685795][ T7882] should_fail_alloc_page+0x50/0x60 [ 116.690966][ T7882] __alloc_pages_nodemask+0x17f/0x890 [ 116.696306][ T7882] ? cache_grow_end+0xa8/0x190 [ 116.701041][ T7882] ? __alloc_pages_slowpath+0x2570/0x2570 [ 116.706730][ T7882] ? do_raw_spin_lock+0x132/0x2e0 [ 116.711734][ T7882] cache_grow_begin+0x92/0xca0 [ 116.716469][ T7882] ? __kmalloc+0xc5/0x790 [ 116.720774][ T7882] ? trace_hardirqs_off+0x41/0x1a0 [ 116.725857][ T7882] __kmalloc+0x6cd/0x790 [ 116.730073][ T7882] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 116.735336][ T7882] p9_fcall_init.isra.2+0x55/0x1c0 [ 116.740420][ T7882] p9_client_prepare_req.part.5+0x116/0x670 [ 116.746288][ T7882] p9_client_rpc+0x174/0xe50 [ 116.750859][ T7882] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 116.756635][ T7882] ? p9_client_prepare_req.part.5+0x670/0x670 [ 116.762677][ T7882] ? add_wait_queue+0x107/0x160 [ 116.767502][ T7882] ? p9_pollwait+0x182/0x210 [ 116.772077][ T7882] ? pipe_poll+0x80/0x300 [ 116.776381][ T7882] ? p9_fd_poll+0x19b/0x2a0 [ 116.780856][ T7882] ? p9_conn_create+0x399/0x4e0 [ 116.786635][ T7882] ? p9_conn_create+0x4e0/0x4e0 [ 116.791462][ T7882] p9_client_create+0x7ec/0x10e0 [ 116.796375][ T7882] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 116.802417][ T7882] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.807936][ T7882] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.813972][ T7882] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.819761][ T7882] ? __kmalloc_track_caller+0x60e/0x780 [ 116.825276][ T7882] ? __x64_sys_mount+0x169/0x1c0 [ 116.830183][ T7882] ? do_syscall_64+0xd0/0x600 [ 116.834839][ T7882] ? lockdep_init_map+0x1b6/0x6c0 [ 116.839847][ T7882] v9fs_session_init+0x1ed/0x14c0 [ 116.844841][ T7882] ? v9fs_session_init+0x1ed/0x14c0 [ 116.850012][ T7882] ? find_held_lock+0x36/0x1d0 [ 116.854761][ T7882] ? v9fs_show_options+0x6c0/0x6c0 [ 116.861155][ T7882] ? __kasan_check_read+0x11/0x20 [ 116.866151][ T7882] ? v9fs_mount+0x55/0x7f0 [ 116.870536][ T7882] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.876050][ T7882] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 116.882093][ T7882] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 116.888056][ T7882] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.893575][ T7882] ? apparmor_task_alloc+0x2f0/0x2f0 [ 116.898831][ T7882] v9fs_mount+0x72/0x7f0 [ 116.903059][ T7882] ? v9fs_write_inode+0x50/0x50 [ 116.907880][ T7882] legacy_get_tree+0x103/0x1f0 [ 116.912624][ T7882] vfs_get_tree+0x8b/0x2d0 [ 116.917010][ T7882] ? capable+0x14/0x20 [ 116.921052][ T7882] do_mount+0x1270/0x1b60 [ 116.925351][ T7882] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 116.930905][ T7882] ? copy_mount_string+0x20/0x20 [ 116.935841][ T7882] ? kmem_cache_alloc_trace+0x39e/0x780 [ 116.941364][ T7882] ? __kasan_check_write+0x14/0x20 [ 116.946452][ T7882] ? _copy_from_user+0xd6/0x110 [ 116.951295][ T7882] ? __kasan_check_read+0x11/0x20 [ 116.956468][ T7882] ? copy_mount_options+0x77/0x2c0 [ 116.961565][ T7882] __x64_sys_mount+0x169/0x1c0 [ 116.966304][ T7882] do_syscall_64+0xd0/0x600 [ 116.970780][ T7882] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 116.976645][ T7882] RIP: 0033:0x458da9 [ 116.980532][ T7882] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 117.000116][ T7882] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.009021][ T7882] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 117.016969][ T7882] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.024912][ T7882] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.032854][ T7882] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 117.041589][ T7882] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.049549][ T7884] CPU: 1 PID: 7884 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 117.058132][ T7884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.068176][ T7884] Call Trace: [ 117.071479][ T7884] dump_stack+0x12d/0x187 [ 117.075809][ T7884] should_fail.cold.4+0x5/0x13 [ 117.080570][ T7884] ? do_mount+0x1270/0x1b60 [ 117.085674][ T7884] ? fault_create_debugfs_attr+0x150/0x150 [ 117.091481][ T7884] ? find_held_lock+0x36/0x1d0 [ 117.092901][ T7887] FAULT_INJECTION: forcing a failure. [ 117.092901][ T7887] name failslab, interval 1, probability 0, space 0, times 0 [ 117.096234][ T7884] should_fail_alloc_page+0x50/0x60 [ 117.114060][ T7884] __alloc_pages_nodemask+0x17f/0x890 [ 117.119412][ T7884] ? cache_grow_end+0xa8/0x190 [ 117.124153][ T7884] ? __alloc_pages_slowpath+0x2570/0x2570 [ 117.129845][ T7884] ? do_raw_spin_lock+0x132/0x2e0 [ 117.134975][ T7884] cache_grow_begin+0x92/0xca0 [ 117.139718][ T7884] ? __kmalloc+0xc5/0x790 [ 117.144034][ T7884] ? trace_hardirqs_off+0x41/0x1a0 [ 117.149121][ T7884] __kmalloc+0x6cd/0x790 [ 117.153342][ T7884] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 117.158603][ T7884] p9_fcall_init.isra.2+0x55/0x1c0 [ 117.163694][ T7884] p9_client_prepare_req.part.5+0x116/0x670 [ 117.169564][ T7884] p9_client_rpc+0x174/0xe50 [ 117.174143][ T7884] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 117.179922][ T7884] ? p9_client_prepare_req.part.5+0x670/0x670 [ 117.185959][ T7884] ? add_wait_queue+0x107/0x160 [ 117.190787][ T7884] ? p9_pollwait+0x182/0x210 [ 117.195362][ T7884] ? pipe_poll+0x80/0x300 [ 117.199668][ T7884] ? p9_fd_poll+0x19b/0x2a0 [ 117.205100][ T7884] ? p9_conn_create+0x399/0x4e0 [ 117.209923][ T7884] ? p9_conn_create+0x4e0/0x4e0 [ 117.214750][ T7884] p9_client_create+0x7ec/0x10e0 [ 117.219668][ T7884] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 117.225707][ T7884] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.231222][ T7884] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.237265][ T7884] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.243046][ T7884] ? __kmalloc_track_caller+0x60e/0x780 [ 117.248563][ T7884] ? __x64_sys_mount+0x169/0x1c0 [ 117.253474][ T7884] ? do_syscall_64+0xd0/0x600 [ 117.258127][ T7884] ? lockdep_init_map+0x1b6/0x6c0 [ 117.263126][ T7884] v9fs_session_init+0x1ed/0x14c0 [ 117.268119][ T7884] ? v9fs_session_init+0x1ed/0x14c0 [ 117.273289][ T7884] ? find_held_lock+0x36/0x1d0 [ 117.278027][ T7884] ? v9fs_show_options+0x6c0/0x6c0 [ 117.283107][ T7884] ? __kasan_check_read+0x11/0x20 [ 117.288108][ T7884] ? v9fs_mount+0x55/0x7f0 [ 117.292494][ T7884] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.298007][ T7884] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.304044][ T7884] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.309821][ T7884] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.315356][ T7884] ? apparmor_task_alloc+0x2f0/0x2f0 [ 117.320614][ T7884] v9fs_mount+0x72/0x7f0 [ 117.324829][ T7884] ? v9fs_write_inode+0x50/0x50 [ 117.329776][ T7884] legacy_get_tree+0x103/0x1f0 [ 117.334523][ T7884] vfs_get_tree+0x8b/0x2d0 [ 117.338915][ T7884] ? capable+0x14/0x20 [ 117.342962][ T7884] do_mount+0x1270/0x1b60 [ 117.347271][ T7884] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.352789][ T7884] ? copy_mount_string+0x20/0x20 [ 117.357716][ T7884] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.363237][ T7884] ? __kasan_check_read+0x11/0x20 [ 117.368233][ T7884] ? copy_mount_options+0x77/0x2c0 [ 117.373345][ T7884] __x64_sys_mount+0x169/0x1c0 [ 117.378086][ T7884] do_syscall_64+0xd0/0x600 [ 117.382563][ T7884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.388429][ T7884] RIP: 0033:0x458da9 [ 117.392295][ T7884] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 117.411955][ T7884] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.420336][ T7884] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 117.428296][ T7884] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.436238][ T7884] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.444181][ T7884] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 117.452140][ T7884] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.460119][ T7887] CPU: 0 PID: 7887 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 117.463952][ T7883] FAULT_INJECTION: forcing a failure. [ 117.463952][ T7883] name failslab, interval 1, probability 0, space 0, times 0 [ 117.468913][ T7887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.468919][ T7887] Call Trace: [ 117.485374][ T7889] FAULT_INJECTION: forcing a failure. [ 117.485374][ T7889] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 117.491527][ T7887] dump_stack+0x12d/0x187 [ 117.512239][ T7887] should_fail.cold.4+0x5/0x13 [ 117.516988][ T7887] ? stack_trace_save+0x82/0xb0 [ 117.521813][ T7887] ? fault_create_debugfs_attr+0x150/0x150 [ 117.527595][ T7887] __should_failslab+0xba/0xf0 [ 117.532330][ T7887] should_failslab+0x9/0x14 [ 117.536803][ T7887] kmem_cache_alloc+0x47/0x750 [ 117.541536][ T7887] ? __x64_sys_mount+0x169/0x1c0 [ 117.546620][ T7887] ? do_syscall_64+0xd0/0x600 [ 117.551271][ T7887] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 117.557657][ T7887] ? __kasan_check_read+0x11/0x20 [ 117.562653][ T7887] idr_get_free+0x35d/0x880 [ 117.567129][ T7887] ? __kasan_check_read+0x11/0x20 [ 117.572124][ T7887] idr_alloc_u32+0x13a/0x330 [ 117.576701][ T7887] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 117.582217][ T7887] ? mark_held_locks+0x130/0x130 [ 117.587133][ T7887] ? __kasan_check_write+0x14/0x20 [ 117.592213][ T7887] ? do_raw_spin_lock+0x132/0x2e0 [ 117.597225][ T7887] idr_alloc+0x7d/0xc0 [ 117.601272][ T7887] ? idr_alloc_u32+0x330/0x330 [ 117.606014][ T7887] p9_client_prepare_req.part.5+0x571/0x670 [ 117.611888][ T7887] p9_client_rpc+0x174/0xe50 [ 117.616456][ T7887] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 117.622237][ T7887] ? p9_client_prepare_req.part.5+0x670/0x670 [ 117.628280][ T7887] ? add_wait_queue+0x107/0x160 [ 117.633104][ T7887] ? p9_pollwait+0x182/0x210 [ 117.637668][ T7887] ? pipe_poll+0x80/0x300 [ 117.641973][ T7887] ? p9_fd_poll+0x19b/0x2a0 [ 117.646449][ T7887] ? p9_conn_create+0x399/0x4e0 [ 117.651274][ T7887] ? p9_conn_create+0x4e0/0x4e0 [ 117.656100][ T7887] p9_client_create+0x7ec/0x10e0 [ 117.661016][ T7887] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 117.667049][ T7887] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.672565][ T7887] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.678602][ T7887] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.684380][ T7887] ? __kmalloc_track_caller+0x60e/0x780 [ 117.689896][ T7887] ? __x64_sys_mount+0x169/0x1c0 [ 117.694804][ T7887] ? do_syscall_64+0xd0/0x600 [ 117.699449][ T7887] ? lockdep_init_map+0x1b6/0x6c0 [ 117.704448][ T7887] v9fs_session_init+0x1ed/0x14c0 [ 117.709441][ T7887] ? v9fs_session_init+0x1ed/0x14c0 [ 117.714612][ T7887] ? find_held_lock+0x36/0x1d0 [ 117.719351][ T7887] ? v9fs_show_options+0x6c0/0x6c0 [ 117.724430][ T7887] ? __kasan_check_read+0x11/0x20 [ 117.729425][ T7887] ? v9fs_mount+0x55/0x7f0 [ 117.733813][ T7887] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.739328][ T7887] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 117.745361][ T7887] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 117.751143][ T7887] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.756659][ T7887] ? apparmor_task_alloc+0x2f0/0x2f0 [ 117.761915][ T7887] v9fs_mount+0x72/0x7f0 [ 117.766132][ T7887] ? v9fs_write_inode+0x50/0x50 [ 117.770951][ T7887] legacy_get_tree+0x103/0x1f0 [ 117.775690][ T7887] vfs_get_tree+0x8b/0x2d0 [ 117.780078][ T7887] ? capable+0x14/0x20 [ 117.784117][ T7887] do_mount+0x1270/0x1b60 [ 117.788424][ T7887] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 117.793940][ T7887] ? copy_mount_string+0x20/0x20 [ 117.798849][ T7887] ? kmem_cache_alloc_trace+0x39e/0x780 [ 117.804367][ T7887] ? __kasan_check_write+0x14/0x20 [ 117.809450][ T7887] ? _copy_from_user+0xd6/0x110 [ 117.814281][ T7887] ? __kasan_check_read+0x11/0x20 [ 117.819275][ T7887] ? copy_mount_options+0x77/0x2c0 [ 117.824358][ T7887] __x64_sys_mount+0x169/0x1c0 [ 117.829095][ T7887] do_syscall_64+0xd0/0x600 [ 117.833581][ T7887] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.839533][ T7887] RIP: 0033:0x458da9 [ 117.843400][ 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 [ 117.863931][ T7887] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 117.872310][ T7887] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 117.880255][ T7887] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 117.888202][ T7887] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 117.896231][ T7887] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 117.904174][ T7887] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 117.912147][ T7889] CPU: 1 PID: 7889 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 117.920732][ T7889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 117.930775][ T7889] Call Trace: [ 117.934056][ T7889] dump_stack+0x12d/0x187 [ 117.938373][ T7889] should_fail.cold.4+0x5/0x13 [ 117.943119][ T7889] ? do_mount+0x1270/0x1b60 [ 117.947605][ T7889] ? fault_create_debugfs_attr+0x150/0x150 [ 117.953404][ T7889] ? find_held_lock+0x36/0x1d0 [ 117.958153][ T7889] should_fail_alloc_page+0x50/0x60 [ 117.963333][ T7889] __alloc_pages_nodemask+0x17f/0x890 [ 117.968708][ T7889] ? cache_grow_end+0xa8/0x190 [ 117.973715][ T7889] ? __alloc_pages_slowpath+0x2570/0x2570 [ 117.979420][ T7889] ? do_raw_spin_lock+0x132/0x2e0 [ 117.984434][ T7889] cache_grow_begin+0x92/0xca0 [ 117.989177][ T7889] ? __kmalloc+0xc5/0x790 [ 117.993594][ T7889] ? trace_hardirqs_off+0x41/0x1a0 [ 117.998711][ T7889] __kmalloc+0x6cd/0x790 [ 118.002945][ T7889] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 118.008225][ T7889] p9_fcall_init.isra.2+0x55/0x1c0 [ 118.013322][ T7889] p9_client_prepare_req.part.5+0x116/0x670 2019/12/18 21:49:32 executed programs: 155 [ 118.019217][ T7889] p9_client_rpc+0x174/0xe50 [ 118.023806][ T7889] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 118.029965][ T7889] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.031213][ T7893] FAULT_INJECTION: forcing a failure. [ 118.031213][ T7893] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 118.036020][ T7889] ? add_wait_queue+0x107/0x160 [ 118.054004][ T7889] ? p9_pollwait+0x182/0x210 [ 118.058578][ T7889] ? pipe_poll+0x80/0x300 [ 118.062879][ T7889] ? p9_fd_poll+0x19b/0x2a0 [ 118.067355][ T7889] ? p9_conn_create+0x399/0x4e0 [ 118.072178][ T7889] ? p9_conn_create+0x4e0/0x4e0 [ 118.077022][ T7889] p9_client_create+0x7ec/0x10e0 [ 118.081935][ T7889] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.087969][ T7889] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.093486][ T7889] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.099525][ T7889] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.105307][ T7889] ? __kmalloc_track_caller+0x60e/0x780 [ 118.110823][ T7889] ? __x64_sys_mount+0x169/0x1c0 [ 118.115732][ T7889] ? do_syscall_64+0xd0/0x600 [ 118.120381][ T7889] ? lockdep_init_map+0x1b6/0x6c0 [ 118.125382][ T7889] v9fs_session_init+0x1ed/0x14c0 [ 118.130395][ T7889] ? v9fs_session_init+0x1ed/0x14c0 [ 118.135596][ T7889] ? find_held_lock+0x36/0x1d0 [ 118.140355][ T7889] ? v9fs_show_options+0x6c0/0x6c0 [ 118.145448][ T7889] ? __kasan_check_read+0x11/0x20 [ 118.150454][ T7889] ? v9fs_mount+0x55/0x7f0 [ 118.154852][ T7889] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.160371][ T7889] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.166410][ T7889] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.172212][ T7889] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.177736][ T7889] ? apparmor_task_alloc+0x2f0/0x2f0 [ 118.183011][ T7889] v9fs_mount+0x72/0x7f0 [ 118.187233][ T7889] ? v9fs_write_inode+0x50/0x50 [ 118.192059][ T7889] legacy_get_tree+0x103/0x1f0 [ 118.196803][ T7889] vfs_get_tree+0x8b/0x2d0 [ 118.201208][ T7889] ? capable+0x14/0x20 [ 118.205267][ T7889] do_mount+0x1270/0x1b60 [ 118.209574][ T7889] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.215099][ T7889] ? copy_mount_string+0x20/0x20 [ 118.220016][ T7889] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.225541][ T7889] ? __kasan_check_write+0x14/0x20 [ 118.230625][ T7889] ? _copy_from_user+0xd6/0x110 [ 118.235450][ T7889] ? __kasan_check_read+0x11/0x20 [ 118.240444][ T7889] ? copy_mount_options+0x77/0x2c0 [ 118.245531][ T7889] __x64_sys_mount+0x169/0x1c0 [ 118.250269][ T7889] do_syscall_64+0xd0/0x600 [ 118.254749][ T7889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.260621][ T7889] RIP: 0033:0x458da9 [ 118.264497][ 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 [ 118.284073][ T7889] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 118.292458][ T7889] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 118.300402][ T7889] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 118.308344][ T7889] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 118.316289][ T7889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 118.324249][ T7889] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 118.332210][ T7893] CPU: 0 PID: 7893 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 118.340794][ T7893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.340801][ T7893] Call Trace: [ 118.354120][ T7893] dump_stack+0x12d/0x187 [ 118.358430][ T7893] should_fail.cold.4+0x5/0x13 [ 118.363170][ T7893] ? do_mount+0x1270/0x1b60 [ 118.363177][ T7893] ? fault_create_debugfs_attr+0x150/0x150 [ 118.373438][ T7893] ? find_held_lock+0x36/0x1d0 [ 118.378179][ T7893] should_fail_alloc_page+0x50/0x60 [ 118.383356][ T7893] __alloc_pages_nodemask+0x17f/0x890 [ 118.383363][ T7893] ? cache_grow_end+0xa8/0x190 [ 118.383370][ T7893] ? __alloc_pages_slowpath+0x2570/0x2570 [ 118.383375][ T7893] ? do_raw_spin_lock+0x132/0x2e0 [ 118.383389][ T7893] cache_grow_begin+0x92/0xca0 [ 118.405106][ T7893] ? __kmalloc+0xc5/0x790 [ 118.405115][ T7893] ? trace_hardirqs_off+0x41/0x1a0 [ 118.405123][ T7893] __kmalloc+0x6cd/0x790 [ 118.405132][ T7893] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 118.405140][ T7893] p9_fcall_init.isra.2+0x55/0x1c0 [ 118.419263][ T7893] p9_client_prepare_req.part.5+0x116/0x670 [ 118.428736][ T7893] p9_client_rpc+0x174/0xe50 [ 118.439682][ T7893] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 118.450133][ T7893] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.456178][ T7893] ? add_wait_queue+0x107/0x160 [ 118.456187][ T7893] ? p9_pollwait+0x182/0x210 [ 118.456195][ T7893] ? pipe_poll+0x80/0x300 [ 118.456203][ T7893] ? p9_fd_poll+0x19b/0x2a0 [ 118.456210][ T7893] ? p9_conn_create+0x399/0x4e0 [ 118.479589][ T7893] ? p9_conn_create+0x4e0/0x4e0 [ 118.485009][ T7893] p9_client_create+0x7ec/0x10e0 [ 118.489946][ T7893] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.496011][ T7893] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.501554][ T7893] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.507608][ T7893] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.514121][ T7893] ? __kmalloc_track_caller+0x60e/0x780 [ 118.540688][ T7893] ? __x64_sys_mount+0x169/0x1c0 [ 118.545625][ T7893] ? do_syscall_64+0xd0/0x600 [ 118.550278][ T7893] ? lockdep_init_map+0x1b6/0x6c0 [ 118.555890][ T7893] v9fs_session_init+0x1ed/0x14c0 [ 118.560887][ T7893] ? v9fs_session_init+0x1ed/0x14c0 [ 118.566096][ T7893] ? find_held_lock+0x36/0x1d0 [ 118.570842][ T7893] ? v9fs_show_options+0x6c0/0x6c0 [ 118.576020][ T7893] ? __kasan_check_read+0x11/0x20 [ 118.581030][ T7893] ? v9fs_mount+0x55/0x7f0 [ 118.585433][ T7893] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.590959][ T7893] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.597014][ T7893] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.602901][ T7893] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.608424][ T7893] ? apparmor_task_alloc+0x2f0/0x2f0 [ 118.613684][ T7893] v9fs_mount+0x72/0x7f0 [ 118.617924][ T7893] ? v9fs_write_inode+0x50/0x50 [ 118.622760][ T7893] legacy_get_tree+0x103/0x1f0 [ 118.627510][ T7893] vfs_get_tree+0x8b/0x2d0 [ 118.631912][ T7893] ? capable+0x14/0x20 [ 118.635957][ T7893] do_mount+0x1270/0x1b60 [ 118.640260][ T7893] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.645800][ T7893] ? copy_mount_string+0x20/0x20 [ 118.650713][ T7893] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.656243][ T7893] ? __kasan_check_write+0x14/0x20 [ 118.661329][ T7893] ? _copy_from_user+0xd6/0x110 [ 118.666154][ T7893] ? __kasan_check_read+0x11/0x20 [ 118.671150][ T7893] ? copy_mount_options+0x77/0x2c0 [ 118.676247][ T7893] __x64_sys_mount+0x169/0x1c0 [ 118.680987][ T7893] do_syscall_64+0xd0/0x600 [ 118.685478][ T7893] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 118.691346][ T7893] RIP: 0033:0x458da9 [ 118.695230][ T7893] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 118.714918][ T7893] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 118.723302][ T7893] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 118.731337][ T7893] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 118.739283][ T7893] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 118.747404][ T7893] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 118.755362][ T7893] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 118.763358][ T7883] CPU: 1 PID: 7883 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 118.772550][ T7883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 118.782601][ T7883] Call Trace: [ 118.786326][ T7883] dump_stack+0x12d/0x187 [ 118.790653][ T7883] should_fail.cold.4+0x5/0x13 [ 118.795527][ T7883] ? fault_create_debugfs_attr+0x150/0x150 [ 118.801326][ T7883] ? ___might_sleep+0x16b/0x2b0 [ 118.806174][ T7883] __should_failslab+0xba/0xf0 [ 118.810936][ T7883] should_failslab+0x9/0x14 [ 118.815430][ T7883] __kmalloc+0x2eb/0x790 [ 118.819670][ T7883] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 118.824923][ T7902] FAULT_INJECTION: forcing a failure. [ 118.824923][ T7902] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 118.824946][ T7883] p9_fcall_init.isra.2+0x55/0x1c0 [ 118.843196][ T7883] p9_client_prepare_req.part.5+0x116/0x670 [ 118.849068][ T7883] p9_client_rpc+0x174/0xe50 [ 118.853647][ T7883] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 118.859425][ T7883] ? p9_client_prepare_req.part.5+0x670/0x670 [ 118.865478][ T7883] ? add_wait_queue+0x107/0x160 [ 118.870304][ T7883] ? p9_pollwait+0x182/0x210 [ 118.874869][ T7883] ? pipe_poll+0x80/0x300 [ 118.879174][ T7883] ? p9_fd_poll+0x19b/0x2a0 [ 118.883665][ T7883] ? p9_conn_create+0x399/0x4e0 [ 118.888491][ T7883] ? p9_conn_create+0x4e0/0x4e0 [ 118.893416][ T7883] p9_client_create+0x7ec/0x10e0 [ 118.898331][ T7883] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 118.904367][ T7883] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.911283][ T7883] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.917320][ T7883] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.923188][ T7883] ? __kmalloc_track_caller+0x60e/0x780 [ 118.928706][ T7883] ? __x64_sys_mount+0x169/0x1c0 [ 118.933616][ T7883] ? do_syscall_64+0xd0/0x600 [ 118.938266][ T7883] ? lockdep_init_map+0x1b6/0x6c0 [ 118.943269][ T7883] v9fs_session_init+0x1ed/0x14c0 [ 118.948265][ T7883] ? v9fs_session_init+0x1ed/0x14c0 [ 118.953436][ T7883] ? find_held_lock+0x36/0x1d0 [ 118.958176][ T7883] ? v9fs_show_options+0x6c0/0x6c0 [ 118.963260][ T7883] ? __kasan_check_read+0x11/0x20 [ 118.968262][ T7883] ? v9fs_mount+0x55/0x7f0 [ 118.972651][ T7883] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 118.978167][ T7883] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 118.984218][ T7883] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 118.990114][ T7883] ? kmem_cache_alloc_trace+0x39e/0x780 [ 118.996240][ T7883] ? apparmor_task_alloc+0x2f0/0x2f0 [ 119.001506][ T7883] v9fs_mount+0x72/0x7f0 [ 119.005722][ T7883] ? v9fs_write_inode+0x50/0x50 [ 119.010544][ T7883] legacy_get_tree+0x103/0x1f0 [ 119.015292][ T7883] vfs_get_tree+0x8b/0x2d0 [ 119.019687][ T7883] ? capable+0x14/0x20 [ 119.024164][ T7883] do_mount+0x1270/0x1b60 [ 119.028466][ T7883] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.033984][ T7883] ? copy_mount_string+0x20/0x20 [ 119.038982][ T7883] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.044499][ T7883] ? __kasan_check_write+0x14/0x20 [ 119.049597][ T7883] ? _copy_from_user+0xd6/0x110 [ 119.054424][ T7883] ? __kasan_check_read+0x11/0x20 [ 119.059542][ T7883] ? copy_mount_options+0x77/0x2c0 [ 119.064657][ T7883] __x64_sys_mount+0x169/0x1c0 [ 119.069415][ T7883] do_syscall_64+0xd0/0x600 [ 119.073913][ T7883] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.079783][ T7883] RIP: 0033:0x458da9 [ 119.083658][ T7883] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 119.103243][ T7883] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 119.111626][ T7883] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 119.119586][ T7883] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 119.129192][ T7883] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 119.137138][ T7883] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 119.145101][ T7883] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 119.153075][ T7902] CPU: 0 PID: 7902 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 119.161647][ T7902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.171799][ T7902] Call Trace: [ 119.171811][ T7902] dump_stack+0x12d/0x187 [ 119.171821][ T7902] should_fail.cold.4+0x5/0x13 [ 119.171828][ T7902] ? fault_create_debugfs_attr+0x150/0x150 [ 119.171834][ T7902] ? kernel_text_address+0x79/0xf0 [ 119.171839][ T7902] ? __kernel_text_address+0xd/0x40 [ 119.171846][ T7902] ? unwind_get_return_address+0x61/0xa0 [ 119.171856][ T7902] should_fail_alloc_page+0x50/0x60 [ 119.212768][ T7902] __alloc_pages_nodemask+0x17f/0x890 [ 119.218224][ T7902] ? __alloc_pages_slowpath+0x2570/0x2570 [ 119.220916][ T7908] FAULT_INJECTION: forcing a failure. [ 119.220916][ T7908] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 119.223936][ T7902] ? stack_trace_consume_entry+0x170/0x170 [ 119.242969][ T7902] ? fault_create_debugfs_attr+0x150/0x150 [ 119.248886][ T7902] cache_grow_begin+0x92/0xca0 [ 119.253625][ T7902] ? kmem_cache_alloc+0x9c/0x750 [ 119.258536][ T7902] ? trace_hardirqs_off+0x41/0x1a0 [ 119.263645][ T7902] kmem_cache_alloc+0x68b/0x750 [ 119.268481][ T7902] ? __x64_sys_mount+0x169/0x1c0 [ 119.273399][ T7902] ? do_syscall_64+0xd0/0x600 [ 119.278064][ T7902] ? v9fs_mount+0x72/0x7f0 [ 119.282461][ T7902] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 119.288851][ T7902] ? __kasan_check_read+0x11/0x20 [ 119.293871][ T7902] idr_get_free+0x35d/0x880 [ 119.298443][ T7902] ? __kasan_check_read+0x11/0x20 [ 119.303441][ T7902] idr_alloc_u32+0x13a/0x330 [ 119.308098][ T7902] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 119.313616][ T7902] ? mark_held_locks+0x130/0x130 [ 119.318546][ T7902] ? __kasan_check_write+0x14/0x20 [ 119.323629][ T7902] ? do_raw_spin_lock+0x132/0x2e0 [ 119.328630][ T7902] idr_alloc+0x7d/0xc0 [ 119.332691][ T7902] ? idr_alloc_u32+0x330/0x330 [ 119.337443][ T7902] p9_client_prepare_req.part.5+0x571/0x670 [ 119.343317][ T7902] p9_client_rpc+0x174/0xe50 [ 119.347887][ T7902] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 119.353681][ T7902] ? p9_client_prepare_req.part.5+0x670/0x670 [ 119.359723][ T7902] ? add_wait_queue+0x107/0x160 [ 119.364554][ T7902] ? p9_pollwait+0x182/0x210 [ 119.369142][ T7902] ? pipe_poll+0x80/0x300 [ 119.373451][ T7902] ? p9_fd_poll+0x19b/0x2a0 [ 119.377928][ T7902] ? p9_conn_create+0x399/0x4e0 [ 119.382754][ T7902] ? p9_conn_create+0x4e0/0x4e0 [ 119.387598][ T7902] p9_client_create+0x7ec/0x10e0 [ 119.392525][ T7902] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 119.398597][ T7902] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.404116][ T7902] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.410156][ T7902] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.415952][ T7902] ? __kmalloc_track_caller+0x60e/0x780 [ 119.421469][ T7902] ? __x64_sys_mount+0x169/0x1c0 [ 119.426381][ T7902] ? do_syscall_64+0xd0/0x600 [ 119.431028][ T7902] ? lockdep_init_map+0x1b6/0x6c0 [ 119.436045][ T7902] v9fs_session_init+0x1ed/0x14c0 [ 119.441045][ T7902] ? v9fs_session_init+0x1ed/0x14c0 [ 119.446304][ T7902] ? find_held_lock+0x36/0x1d0 [ 119.451065][ T7902] ? v9fs_show_options+0x6c0/0x6c0 [ 119.456162][ T7902] ? __kasan_check_read+0x11/0x20 [ 119.461175][ T7902] ? v9fs_mount+0x55/0x7f0 [ 119.465576][ T7902] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.471104][ T7902] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.477140][ T7902] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.483009][ T7902] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.488527][ T7902] ? apparmor_task_alloc+0x2f0/0x2f0 [ 119.494570][ T7902] v9fs_mount+0x72/0x7f0 [ 119.498786][ T7902] ? v9fs_write_inode+0x50/0x50 [ 119.503608][ T7902] legacy_get_tree+0x103/0x1f0 [ 119.508358][ T7902] vfs_get_tree+0x8b/0x2d0 [ 119.512748][ T7902] ? capable+0x14/0x20 [ 119.516793][ T7902] do_mount+0x1270/0x1b60 [ 119.521108][ T7902] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.526626][ T7902] ? copy_mount_string+0x20/0x20 [ 119.531542][ T7902] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.537063][ T7902] ? __kasan_check_write+0x14/0x20 [ 119.542147][ T7902] ? _copy_from_user+0xd6/0x110 [ 119.561408][ T7902] ? __kasan_check_read+0x11/0x20 [ 119.566406][ T7902] ? copy_mount_options+0x77/0x2c0 [ 119.571496][ T7902] __x64_sys_mount+0x169/0x1c0 [ 119.576238][ T7902] do_syscall_64+0xd0/0x600 [ 119.580718][ T7902] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 119.586842][ T7902] RIP: 0033:0x458da9 [ 119.590732][ 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 [ 119.610501][ T7902] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 119.618903][ T7902] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 119.626863][ T7902] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 119.634821][ T7902] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 119.642861][ T7902] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 119.650815][ T7902] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 119.658785][ T7908] CPU: 1 PID: 7908 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 119.667453][ T7908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.677762][ T7908] Call Trace: [ 119.681045][ T7908] dump_stack+0x12d/0x187 [ 119.685370][ T7908] should_fail.cold.4+0x5/0x13 [ 119.690126][ T7908] ? do_mount+0x1270/0x1b60 [ 119.694623][ T7908] ? fault_create_debugfs_attr+0x150/0x150 [ 119.700426][ T7908] ? find_held_lock+0x36/0x1d0 [ 119.705190][ T7908] should_fail_alloc_page+0x50/0x60 [ 119.711692][ T7908] __alloc_pages_nodemask+0x17f/0x890 [ 119.712359][ T7916] FAULT_INJECTION: forcing a failure. [ 119.712359][ T7916] name failslab, interval 1, probability 0, space 0, times 0 [ 119.717053][ T7908] ? cache_grow_end+0xa8/0x190 [ 119.717062][ T7908] ? __alloc_pages_slowpath+0x2570/0x2570 [ 119.717068][ T7908] ? do_raw_spin_lock+0x132/0x2e0 [ 119.717081][ T7908] cache_grow_begin+0x92/0xca0 [ 119.717086][ T7908] ? __kmalloc+0xc5/0x790 [ 119.717093][ T7908] ? trace_hardirqs_off+0x41/0x1a0 [ 119.717100][ T7908] __kmalloc+0x6cd/0x790 [ 119.717109][ T7908] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 119.717117][ T7908] p9_fcall_init.isra.2+0x55/0x1c0 [ 119.717126][ T7908] p9_client_prepare_req.part.5+0x116/0x670 [ 119.717135][ T7908] p9_client_rpc+0x174/0xe50 [ 119.717145][ T7908] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 119.734421][ T7912] FAULT_INJECTION: forcing a failure. [ 119.734421][ T7912] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 119.734459][ T7908] ? p9_client_prepare_req.part.5+0x670/0x670 [ 119.809980][ T7908] ? add_wait_queue+0x107/0x160 [ 119.814810][ T7908] ? p9_pollwait+0x182/0x210 [ 119.819376][ T7908] ? pipe_poll+0x80/0x300 [ 119.823680][ T7908] ? p9_fd_poll+0x19b/0x2a0 [ 119.828156][ T7908] ? p9_conn_create+0x399/0x4e0 [ 119.832980][ T7908] ? p9_conn_create+0x4e0/0x4e0 [ 119.837809][ T7908] p9_client_create+0x7ec/0x10e0 [ 119.842720][ T7908] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 119.848758][ T7908] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.854288][ T7908] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.860324][ T7908] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.866103][ T7908] ? __kmalloc_track_caller+0x60e/0x780 [ 119.871618][ T7908] ? __x64_sys_mount+0x169/0x1c0 [ 119.876536][ T7908] ? do_syscall_64+0xd0/0x600 [ 119.881184][ T7908] ? lockdep_init_map+0x1b6/0x6c0 [ 119.886186][ T7908] v9fs_session_init+0x1ed/0x14c0 [ 119.891180][ T7908] ? v9fs_session_init+0x1ed/0x14c0 [ 119.896353][ T7908] ? find_held_lock+0x36/0x1d0 [ 119.901095][ T7908] ? v9fs_show_options+0x6c0/0x6c0 [ 119.906872][ T7908] ? __kasan_check_read+0x11/0x20 [ 119.911879][ T7908] ? v9fs_mount+0x55/0x7f0 [ 119.916265][ T7908] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.921782][ T7908] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 119.927819][ T7908] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 119.933687][ T7908] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.939204][ T7908] ? apparmor_task_alloc+0x2f0/0x2f0 [ 119.944475][ T7908] v9fs_mount+0x72/0x7f0 [ 119.948694][ T7908] ? v9fs_write_inode+0x50/0x50 [ 119.953571][ T7908] legacy_get_tree+0x103/0x1f0 [ 119.958307][ T7908] vfs_get_tree+0x8b/0x2d0 [ 119.962692][ T7908] ? capable+0x14/0x20 [ 119.966745][ T7908] do_mount+0x1270/0x1b60 [ 119.971058][ T7908] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 119.976577][ T7908] ? copy_mount_string+0x20/0x20 [ 119.981486][ T7908] ? kmem_cache_alloc_trace+0x39e/0x780 [ 119.987005][ T7908] ? __kasan_check_write+0x14/0x20 [ 119.992088][ T7908] ? _copy_from_user+0xd6/0x110 [ 119.996910][ T7908] ? __kasan_check_read+0x11/0x20 [ 120.001914][ T7908] ? copy_mount_options+0x77/0x2c0 [ 120.007002][ T7908] __x64_sys_mount+0x169/0x1c0 [ 120.011739][ T7908] do_syscall_64+0xd0/0x600 [ 120.016218][ T7908] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.022081][ T7908] RIP: 0033:0x458da9 [ 120.025955][ T7908] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 120.047016][ T7908] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 120.055402][ T7908] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 120.063348][ T7908] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 120.071297][ T7908] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 120.079253][ T7908] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 120.087196][ T7908] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 120.095155][ T7912] CPU: 0 PID: 7912 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 120.103720][ T7912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.103724][ T7912] Call Trace: [ 120.103735][ T7912] dump_stack+0x12d/0x187 [ 120.103745][ T7912] should_fail.cold.4+0x5/0x13 [ 120.103751][ T7912] ? do_mount+0x1270/0x1b60 [ 120.103761][ T7912] ? fault_create_debugfs_attr+0x150/0x150 [ 120.128701][ T7918] FAULT_INJECTION: forcing a failure. [ 120.128701][ T7918] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 120.130602][ T7912] ? find_held_lock+0x36/0x1d0 [ 120.154273][ T7912] should_fail_alloc_page+0x50/0x60 [ 120.159454][ T7912] __alloc_pages_nodemask+0x17f/0x890 [ 120.164816][ T7912] ? cache_grow_end+0xa8/0x190 [ 120.169559][ T7912] ? __alloc_pages_slowpath+0x2570/0x2570 [ 120.175255][ T7912] ? do_raw_spin_lock+0x132/0x2e0 [ 120.180262][ T7912] cache_grow_begin+0x92/0xca0 [ 120.185005][ T7912] ? __kmalloc+0xc5/0x790 [ 120.189311][ T7912] ? trace_hardirqs_off+0x41/0x1a0 [ 120.194399][ T7912] __kmalloc+0x6cd/0x790 [ 120.198619][ T7912] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 120.203880][ T7912] p9_fcall_init.isra.2+0x55/0x1c0 [ 120.209225][ T7912] p9_client_prepare_req.part.5+0x116/0x670 [ 120.215090][ T7912] p9_client_rpc+0x174/0xe50 [ 120.219657][ T7912] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 120.225433][ T7912] ? p9_client_prepare_req.part.5+0x670/0x670 [ 120.231496][ T7912] ? add_wait_queue+0x107/0x160 [ 120.236319][ T7912] ? p9_pollwait+0x182/0x210 [ 120.240881][ T7912] ? pipe_poll+0x80/0x300 [ 120.245623][ T7912] ? p9_fd_poll+0x19b/0x2a0 [ 120.250099][ T7912] ? p9_conn_create+0x399/0x4e0 [ 120.254933][ T7912] ? p9_conn_create+0x4e0/0x4e0 [ 120.259784][ T7912] p9_client_create+0x7ec/0x10e0 [ 120.264715][ T7912] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 120.270773][ T7912] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.277074][ T7912] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.283116][ T7912] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.288900][ T7912] ? __kmalloc_track_caller+0x60e/0x780 [ 120.294423][ T7912] ? __x64_sys_mount+0x169/0x1c0 [ 120.299344][ T7912] ? do_syscall_64+0xd0/0x600 [ 120.303993][ T7912] ? lockdep_init_map+0x1b6/0x6c0 [ 120.309000][ T7912] v9fs_session_init+0x1ed/0x14c0 [ 120.313999][ T7912] ? v9fs_session_init+0x1ed/0x14c0 [ 120.319171][ T7912] ? find_held_lock+0x36/0x1d0 [ 120.323927][ T7912] ? v9fs_show_options+0x6c0/0x6c0 [ 120.329028][ T7912] ? __kasan_check_read+0x11/0x20 [ 120.334038][ T7912] ? v9fs_mount+0x55/0x7f0 [ 120.338440][ T7912] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.343958][ T7912] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.350000][ T7912] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.355786][ T7912] ? kmem_cache_alloc_trace+0x39e/0x780 [ 120.361309][ T7912] ? apparmor_task_alloc+0x2f0/0x2f0 [ 120.366572][ T7912] v9fs_mount+0x72/0x7f0 [ 120.370790][ T7912] ? v9fs_write_inode+0x50/0x50 [ 120.375616][ T7912] legacy_get_tree+0x103/0x1f0 [ 120.380353][ T7912] vfs_get_tree+0x8b/0x2d0 [ 120.384741][ T7912] ? capable+0x14/0x20 [ 120.388788][ T7912] do_mount+0x1270/0x1b60 [ 120.393094][ T7912] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.398614][ T7912] ? copy_mount_string+0x20/0x20 [ 120.403524][ T7912] ? kmem_cache_alloc_trace+0x39e/0x780 [ 120.409039][ T7912] ? __kasan_check_write+0x14/0x20 [ 120.414121][ T7912] ? _copy_from_user+0xd6/0x110 [ 120.418942][ T7912] ? __kasan_check_read+0x11/0x20 [ 120.423936][ T7912] ? copy_mount_options+0x77/0x2c0 [ 120.429040][ T7912] __x64_sys_mount+0x169/0x1c0 [ 120.433786][ T7912] do_syscall_64+0xd0/0x600 [ 120.438266][ T7912] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.444128][ T7912] RIP: 0033:0x458da9 [ 120.447996][ T7912] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 120.467573][ T7912] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 120.475952][ T7912] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 120.483908][ T7912] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 120.491855][ T7912] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 120.499796][ T7912] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 120.507739][ T7912] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 120.515698][ T7918] CPU: 1 PID: 7918 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 120.521261][ T7919] FAULT_INJECTION: forcing a failure. [ 120.521261][ T7919] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 120.524271][ T7918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.547455][ T7918] Call Trace: [ 120.550725][ T7918] dump_stack+0x12d/0x187 [ 120.555033][ T7918] should_fail.cold.4+0x5/0x13 [ 120.559779][ T7918] ? do_mount+0x1270/0x1b60 [ 120.564343][ T7918] ? fault_create_debugfs_attr+0x150/0x150 [ 120.570120][ T7918] ? find_held_lock+0x36/0x1d0 [ 120.574857][ T7918] should_fail_alloc_page+0x50/0x60 [ 120.580033][ T7918] __alloc_pages_nodemask+0x17f/0x890 [ 120.585376][ T7918] ? cache_grow_end+0xa8/0x190 [ 120.590111][ T7918] ? __alloc_pages_slowpath+0x2570/0x2570 [ 120.595800][ T7918] ? do_raw_spin_lock+0x132/0x2e0 [ 120.600800][ T7918] cache_grow_begin+0x92/0xca0 [ 120.605537][ T7918] ? __kmalloc+0xc5/0x790 [ 120.609841][ T7918] ? trace_hardirqs_off+0x41/0x1a0 [ 120.614923][ T7918] __kmalloc+0x6cd/0x790 [ 120.620280][ T7918] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 120.625546][ T7918] p9_fcall_init.isra.2+0x55/0x1c0 [ 120.630628][ T7918] p9_client_prepare_req.part.5+0x116/0x670 [ 120.636495][ T7918] p9_client_rpc+0x174/0xe50 [ 120.641059][ T7918] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 120.646834][ T7918] ? p9_client_prepare_req.part.5+0x670/0x670 [ 120.652878][ T7918] ? add_wait_queue+0x107/0x160 [ 120.657700][ T7918] ? p9_pollwait+0x182/0x210 [ 120.662264][ T7918] ? pipe_poll+0x80/0x300 [ 120.666565][ T7918] ? p9_fd_poll+0x19b/0x2a0 [ 120.671043][ T7918] ? p9_conn_create+0x399/0x4e0 [ 120.675867][ T7918] ? p9_conn_create+0x4e0/0x4e0 [ 120.680694][ T7918] p9_client_create+0x7ec/0x10e0 [ 120.685609][ T7918] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 120.691646][ T7918] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.697161][ T7918] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.704173][ T7918] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.709958][ T7918] ? __kmalloc_track_caller+0x60e/0x780 [ 120.715500][ T7918] ? __x64_sys_mount+0x169/0x1c0 [ 120.720421][ T7918] ? do_syscall_64+0xd0/0x600 [ 120.725073][ T7918] ? lockdep_init_map+0x1b6/0x6c0 [ 120.730082][ T7918] v9fs_session_init+0x1ed/0x14c0 [ 120.735095][ T7918] ? v9fs_session_init+0x1ed/0x14c0 [ 120.740546][ T7918] ? find_held_lock+0x36/0x1d0 [ 120.745290][ T7918] ? v9fs_show_options+0x6c0/0x6c0 [ 120.750375][ T7918] ? __kasan_check_read+0x11/0x20 [ 120.755383][ T7918] ? v9fs_mount+0x55/0x7f0 [ 120.760646][ T7918] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.766179][ T7918] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.772228][ T7918] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.778013][ T7918] ? kmem_cache_alloc_trace+0x39e/0x780 [ 120.783540][ T7918] ? apparmor_task_alloc+0x2f0/0x2f0 [ 120.788797][ T7918] v9fs_mount+0x72/0x7f0 [ 120.793011][ T7918] ? v9fs_write_inode+0x50/0x50 [ 120.797833][ T7918] legacy_get_tree+0x103/0x1f0 [ 120.802570][ T7918] vfs_get_tree+0x8b/0x2d0 [ 120.807915][ T7918] ? capable+0x14/0x20 [ 120.811955][ T7918] do_mount+0x1270/0x1b60 [ 120.816264][ T7918] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.821782][ T7918] ? copy_mount_string+0x20/0x20 [ 120.826729][ T7918] ? kmem_cache_alloc_trace+0x39e/0x780 [ 120.832245][ T7918] ? __kasan_check_write+0x14/0x20 [ 120.837327][ T7918] ? _copy_from_user+0xd6/0x110 [ 120.842178][ T7918] ? __kasan_check_read+0x11/0x20 [ 120.847180][ T7918] ? copy_mount_options+0x77/0x2c0 [ 120.852263][ T7918] __x64_sys_mount+0x169/0x1c0 [ 120.857001][ T7918] do_syscall_64+0xd0/0x600 [ 120.861476][ T7918] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 120.867338][ T7918] RIP: 0033:0x458da9 [ 120.871206][ T7918] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 120.890791][ T7918] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 120.899260][ T7918] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 120.907207][ T7918] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 120.915150][ T7918] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 120.923093][ T7918] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 120.931035][ T7918] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 120.939001][ T7919] CPU: 0 PID: 7919 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 120.947579][ T7919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 120.947583][ T7919] Call Trace: [ 120.947594][ T7919] dump_stack+0x12d/0x187 [ 120.947605][ T7919] should_fail.cold.4+0x5/0x13 [ 120.947611][ T7919] ? do_mount+0x1270/0x1b60 [ 120.947618][ T7919] ? fault_create_debugfs_attr+0x150/0x150 [ 120.947627][ T7919] ? find_held_lock+0x36/0x1d0 [ 120.947637][ T7919] should_fail_alloc_page+0x50/0x60 [ 120.947642][ T7919] __alloc_pages_nodemask+0x17f/0x890 [ 120.947649][ T7919] ? cache_grow_end+0xa8/0x190 [ 120.947656][ T7919] ? __alloc_pages_slowpath+0x2570/0x2570 [ 120.947661][ T7919] ? do_raw_spin_lock+0x132/0x2e0 [ 120.947676][ T7919] cache_grow_begin+0x92/0xca0 [ 120.947681][ T7919] ? __kmalloc+0xc5/0x790 [ 120.947688][ T7919] ? trace_hardirqs_off+0x41/0x1a0 [ 120.947696][ T7919] __kmalloc+0x6cd/0x790 [ 120.947705][ T7919] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 120.947713][ T7919] p9_fcall_init.isra.2+0x55/0x1c0 [ 120.947720][ T7919] p9_client_prepare_req.part.5+0x116/0x670 [ 120.947730][ T7919] p9_client_rpc+0x174/0xe50 [ 120.947739][ T7919] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 120.947744][ T7919] ? p9_client_prepare_req.part.5+0x670/0x670 [ 120.947751][ T7919] ? add_wait_queue+0x107/0x160 [ 120.947759][ T7919] ? p9_pollwait+0x182/0x210 [ 120.947771][ T7919] ? pipe_poll+0x80/0x300 [ 120.970188][ T7919] ? p9_fd_poll+0x19b/0x2a0 [ 120.970196][ T7919] ? p9_conn_create+0x399/0x4e0 [ 120.970205][ T7919] ? p9_conn_create+0x4e0/0x4e0 [ 120.970217][ T7919] p9_client_create+0x7ec/0x10e0 [ 120.980482][ T7919] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 120.980488][ T7919] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 120.980494][ T7919] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 120.990399][ T7919] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 120.990410][ T7919] ? __kmalloc_track_caller+0x60e/0x780 [ 120.990421][ T7919] ? __x64_sys_mount+0x169/0x1c0 [ 120.990429][ T7919] ? do_syscall_64+0xd0/0x600 [ 121.000506][ T7919] ? lockdep_init_map+0x1b6/0x6c0 [ 121.000520][ T7919] v9fs_session_init+0x1ed/0x14c0 [ 121.011198][ T7919] ? v9fs_session_init+0x1ed/0x14c0 [ 121.011209][ T7919] ? find_held_lock+0x36/0x1d0 [ 121.011221][ T7919] ? v9fs_show_options+0x6c0/0x6c0 [ 121.020263][ T7919] ? __kasan_check_read+0x11/0x20 [ 121.163823][ T7919] ? v9fs_mount+0x55/0x7f0 [ 121.168219][ T7919] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.173825][ T7919] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.179866][ T7919] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.186523][ T7919] ? kmem_cache_alloc_trace+0x39e/0x780 [ 121.192142][ T7919] ? apparmor_task_alloc+0x2f0/0x2f0 [ 121.197416][ T7919] v9fs_mount+0x72/0x7f0 [ 121.201652][ T7919] ? v9fs_write_inode+0x50/0x50 [ 121.206480][ T7919] legacy_get_tree+0x103/0x1f0 [ 121.211221][ T7919] vfs_get_tree+0x8b/0x2d0 [ 121.215616][ T7919] ? capable+0x14/0x20 [ 121.219669][ T7919] do_mount+0x1270/0x1b60 [ 121.223973][ T7919] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.230548][ T7919] ? copy_mount_string+0x20/0x20 [ 121.235462][ T7919] ? kmem_cache_alloc_trace+0x39e/0x780 [ 121.240982][ T7919] ? __kasan_check_write+0x14/0x20 [ 121.246065][ T7919] ? _copy_from_user+0xd6/0x110 [ 121.250890][ T7919] ? __kasan_check_read+0x11/0x20 [ 121.255883][ T7919] ? copy_mount_options+0x77/0x2c0 [ 121.260967][ T7919] __x64_sys_mount+0x169/0x1c0 [ 121.265705][ T7919] do_syscall_64+0xd0/0x600 [ 121.270182][ T7919] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.276046][ T7919] RIP: 0033:0x458da9 [ 121.279927][ T7919] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 121.299503][ T7919] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 121.307887][ T7919] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 121.315924][ T7919] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 121.323878][ T7919] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 121.331836][ T7919] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 121.339794][ T7919] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 121.347763][ T7916] CPU: 1 PID: 7916 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 121.356341][ T7916] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.366388][ T7916] Call Trace: [ 121.366998][ T7914] FAULT_INJECTION: forcing a failure. [ 121.366998][ T7914] name failslab, interval 1, probability 0, space 0, times 0 [ 121.369669][ T7916] dump_stack+0x12d/0x187 [ 121.388269][ T7916] should_fail.cold.4+0x5/0x13 [ 121.393030][ T7916] ? fault_create_debugfs_attr+0x150/0x150 [ 121.398859][ T7916] ? ___might_sleep+0x16b/0x2b0 [ 121.403796][ T7916] __should_failslab+0xba/0xf0 [ 121.408553][ T7916] should_failslab+0x9/0x14 [ 121.413044][ T7916] __kmalloc+0x2eb/0x790 [ 121.417283][ T7916] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 121.422542][ T7916] p9_fcall_init.isra.2+0x55/0x1c0 [ 121.427629][ T7916] p9_client_prepare_req.part.5+0x116/0x670 [ 121.434369][ T7916] p9_client_rpc+0x174/0xe50 [ 121.438934][ T7916] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 121.444710][ T7916] ? p9_client_prepare_req.part.5+0x670/0x670 [ 121.450767][ T7916] ? add_wait_queue+0x107/0x160 [ 121.455589][ T7916] ? p9_pollwait+0x182/0x210 [ 121.460150][ T7916] ? pipe_poll+0x80/0x300 [ 121.464451][ T7916] ? p9_fd_poll+0x19b/0x2a0 [ 121.468929][ T7916] ? p9_conn_create+0x399/0x4e0 [ 121.473763][ T7916] ? p9_conn_create+0x4e0/0x4e0 [ 121.478592][ T7916] p9_client_create+0x7ec/0x10e0 [ 121.483508][ T7916] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 121.489552][ T7916] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.495070][ T7916] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.501193][ T7916] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.506971][ T7916] ? __kmalloc_track_caller+0x60e/0x780 [ 121.512498][ T7916] ? __x64_sys_mount+0x169/0x1c0 [ 121.517408][ T7916] ? do_syscall_64+0xd0/0x600 [ 121.522056][ T7916] ? lockdep_init_map+0x1b6/0x6c0 [ 121.527055][ T7916] v9fs_session_init+0x1ed/0x14c0 [ 121.532052][ T7916] ? v9fs_session_init+0x1ed/0x14c0 [ 121.537223][ T7916] ? find_held_lock+0x36/0x1d0 [ 121.541962][ T7916] ? v9fs_show_options+0x6c0/0x6c0 [ 121.547132][ T7916] ? __kasan_check_read+0x11/0x20 [ 121.552127][ T7916] ? v9fs_mount+0x55/0x7f0 [ 121.556524][ T7916] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.562039][ T7916] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.568086][ T7916] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.573884][ T7916] ? kmem_cache_alloc_trace+0x39e/0x780 [ 121.579422][ T7916] ? apparmor_task_alloc+0x2f0/0x2f0 [ 121.584708][ T7916] v9fs_mount+0x72/0x7f0 [ 121.588929][ T7916] ? v9fs_write_inode+0x50/0x50 [ 121.593753][ T7916] legacy_get_tree+0x103/0x1f0 [ 121.598498][ T7916] vfs_get_tree+0x8b/0x2d0 [ 121.602888][ T7916] ? capable+0x14/0x20 [ 121.606934][ T7916] do_mount+0x1270/0x1b60 [ 121.611235][ T7916] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.616753][ T7916] ? copy_mount_string+0x20/0x20 [ 121.622624][ T7916] ? kmem_cache_alloc_trace+0x39e/0x780 [ 121.628141][ T7916] ? __kasan_check_write+0x14/0x20 [ 121.633222][ T7916] ? _copy_from_user+0xd6/0x110 [ 121.638046][ T7916] ? __kasan_check_read+0x11/0x20 [ 121.643125][ T7916] ? copy_mount_options+0x77/0x2c0 [ 121.648216][ T7916] __x64_sys_mount+0x169/0x1c0 [ 121.653478][ T7916] do_syscall_64+0xd0/0x600 [ 121.657957][ T7916] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 121.663819][ T7916] RIP: 0033:0x458da9 [ 121.667684][ T7916] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 121.687269][ T7916] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 121.695650][ T7916] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 121.703594][ T7916] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 121.711540][ T7916] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 121.719490][ T7916] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 121.727432][ T7916] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 121.737579][ T7914] CPU: 1 PID: 7914 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 121.746168][ T7914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 121.756216][ T7914] Call Trace: [ 121.759512][ T7914] dump_stack+0x12d/0x187 [ 121.763847][ T7914] should_fail.cold.4+0x5/0x13 [ 121.768596][ T7914] ? fault_create_debugfs_attr+0x150/0x150 [ 121.774379][ T7914] ? fill_pool+0x2ad/0x7d0 [ 121.778781][ T7914] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.784405][ T7914] __should_failslab+0xba/0xf0 [ 121.789156][ T7914] should_failslab+0x9/0x14 [ 121.793636][ T7914] kmem_cache_alloc+0x47/0x750 [ 121.798387][ T7914] ? __kasan_check_read+0x11/0x20 [ 121.803391][ T7914] ? mark_lock+0xc5/0x11d0 [ 121.807779][ T7914] ? save_stack+0x5d/0x90 [ 121.812086][ T7914] fill_pool+0x2ad/0x7d0 [ 121.816301][ T7914] ? __list_del_entry_valid.cold.1+0x58/0x58 [ 121.822258][ T7914] ? __debug_object_init+0x4f8/0x10a0 [ 121.827604][ T7914] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 121.833383][ T7914] ? __debug_object_init+0x4f8/0x10a0 [ 121.838725][ T7914] ? lockdep_hardirqs_on+0x42d/0x5d0 [ 121.843978][ T7914] ? _raw_spin_unlock_irqrestore+0x7d/0xd0 [ 121.849758][ T7914] ? trace_hardirqs_on+0x28/0x1b0 [ 121.854762][ T7914] __debug_object_init+0x8a/0x10a0 [ 121.859844][ T7914] ? __kasan_check_read+0x11/0x20 [ 121.865101][ T7914] ? free_object+0x70/0x70 [ 121.869491][ T7914] ? ksys_dup3+0x2e0/0x2e0 [ 121.873881][ T7914] debug_object_init+0x16/0x20 [ 121.878623][ T7914] __init_work+0x1b/0x20 [ 121.882838][ T7914] p9_conn_create+0x212/0x4e0 [ 121.887488][ T7914] p9_fd_create+0x222/0x360 [ 121.891962][ T7914] ? p9_conn_create+0x4e0/0x4e0 [ 121.896785][ T7914] ? p9_client_create+0x667/0x10e0 [ 121.901881][ T7914] p9_client_create+0x6cc/0x10e0 [ 121.906796][ T7914] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 121.912831][ T7914] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.918352][ T7914] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.924394][ T7914] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.930173][ T7914] ? __kmalloc_track_caller+0x60e/0x780 [ 121.935693][ T7914] ? __x64_sys_mount+0x169/0x1c0 [ 121.940600][ T7914] ? do_syscall_64+0xd0/0x600 [ 121.946113][ T7914] ? lockdep_init_map+0x1b6/0x6c0 [ 121.951114][ T7914] v9fs_session_init+0x1ed/0x14c0 [ 121.956118][ T7914] ? v9fs_session_init+0x1ed/0x14c0 [ 121.961292][ T7914] ? find_held_lock+0x36/0x1d0 [ 121.966031][ T7914] ? v9fs_show_options+0x6c0/0x6c0 [ 121.971112][ T7914] ? __kasan_check_read+0x11/0x20 [ 121.976108][ T7914] ? v9fs_mount+0x55/0x7f0 [ 121.980492][ T7914] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 121.986007][ T7914] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 121.992043][ T7914] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 121.997824][ T7914] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.003362][ T7914] ? apparmor_task_alloc+0x2f0/0x2f0 [ 122.008621][ T7914] v9fs_mount+0x72/0x7f0 [ 122.012835][ T7914] ? v9fs_write_inode+0x50/0x50 [ 122.018615][ T7914] legacy_get_tree+0x103/0x1f0 [ 122.023354][ T7914] vfs_get_tree+0x8b/0x2d0 [ 122.027748][ T7914] ? capable+0x14/0x20 [ 122.031788][ T7914] do_mount+0x1270/0x1b60 [ 122.036089][ T7914] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.041603][ T7914] ? copy_mount_string+0x20/0x20 [ 122.046513][ T7914] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.052030][ T7914] ? __kasan_check_write+0x14/0x20 [ 122.057111][ T7914] ? _copy_from_user+0xd6/0x110 [ 122.061935][ T7914] ? __kasan_check_read+0x11/0x20 [ 122.066929][ T7914] ? copy_mount_options+0x77/0x2c0 [ 122.072018][ T7914] __x64_sys_mount+0x169/0x1c0 [ 122.076755][ T7914] do_syscall_64+0xd0/0x600 [ 122.081231][ T7914] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.087109][ T7914] RIP: 0033:0x458da9 [ 122.090981][ 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 [ 122.110566][ T7914] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 122.118949][ T7914] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 122.126902][ T7914] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 122.134849][ T7914] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 122.142797][ T7914] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 122.150739][ T7914] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 122.168437][ T7928] FAULT_INJECTION: forcing a failure. [ 122.168437][ T7928] name failslab, interval 1, probability 0, space 0, times 0 [ 122.191239][ T7936] FAULT_INJECTION: forcing a failure. [ 122.191239][ T7936] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 122.195922][ T7937] FAULT_INJECTION: forcing a failure. [ 122.195922][ T7937] name failslab, interval 1, probability 0, space 0, times 0 [ 122.204445][ T7936] CPU: 0 PID: 7936 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 122.204449][ T7936] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.204453][ T7936] Call Trace: [ 122.204464][ T7936] dump_stack+0x12d/0x187 [ 122.204475][ T7936] should_fail.cold.4+0x5/0x13 [ 122.204481][ T7936] ? do_mount+0x1270/0x1b60 [ 122.204487][ T7936] ? fault_create_debugfs_attr+0x150/0x150 [ 122.204497][ T7936] ? find_held_lock+0x36/0x1d0 [ 122.204507][ T7936] should_fail_alloc_page+0x50/0x60 [ 122.268132][ T7936] __alloc_pages_nodemask+0x17f/0x890 [ 122.273567][ T7936] ? cache_grow_end+0xa8/0x190 [ 122.278307][ T7936] ? __alloc_pages_slowpath+0x2570/0x2570 [ 122.284010][ T7936] ? do_raw_spin_lock+0x132/0x2e0 [ 122.289016][ T7936] cache_grow_begin+0x92/0xca0 [ 122.293754][ T7936] ? __kmalloc+0xc5/0x790 [ 122.298066][ T7936] ? trace_hardirqs_off+0x41/0x1a0 [ 122.303151][ T7936] __kmalloc+0x6cd/0x790 [ 122.307369][ T7936] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 122.312659][ T7936] p9_fcall_init.isra.2+0x55/0x1c0 [ 122.318805][ T7936] p9_client_prepare_req.part.5+0x116/0x670 [ 122.324680][ T7936] p9_client_rpc+0x174/0xe50 [ 122.329261][ T7936] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 122.335045][ T7936] ? p9_client_prepare_req.part.5+0x670/0x670 [ 122.341096][ T7936] ? add_wait_queue+0x107/0x160 [ 122.345958][ T7936] ? p9_pollwait+0x182/0x210 [ 122.350532][ T7936] ? pipe_poll+0x80/0x300 [ 122.355800][ T7936] ? p9_fd_poll+0x19b/0x2a0 [ 122.360282][ T7936] ? p9_conn_create+0x399/0x4e0 [ 122.365112][ T7936] ? p9_conn_create+0x4e0/0x4e0 [ 122.369941][ T7936] p9_client_create+0x7ec/0x10e0 [ 122.374857][ T7936] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 122.380895][ T7936] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.386415][ T7936] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.392455][ T7936] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.398342][ T7936] ? __kmalloc_track_caller+0x60e/0x780 [ 122.403877][ T7936] ? __x64_sys_mount+0x169/0x1c0 [ 122.408806][ T7936] ? do_syscall_64+0xd0/0x600 [ 122.413460][ T7936] ? lockdep_init_map+0x1b6/0x6c0 [ 122.418462][ T7936] v9fs_session_init+0x1ed/0x14c0 [ 122.423461][ T7936] ? v9fs_session_init+0x1ed/0x14c0 [ 122.428638][ T7936] ? find_held_lock+0x36/0x1d0 [ 122.433393][ T7936] ? v9fs_show_options+0x6c0/0x6c0 [ 122.438476][ T7936] ? __kasan_check_read+0x11/0x20 [ 122.443473][ T7936] ? v9fs_mount+0x55/0x7f0 [ 122.447865][ T7936] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.453380][ T7936] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.459415][ T7936] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.465209][ T7936] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.470740][ T7936] ? apparmor_task_alloc+0x2f0/0x2f0 [ 122.476005][ T7936] v9fs_mount+0x72/0x7f0 [ 122.480228][ T7936] ? v9fs_write_inode+0x50/0x50 [ 122.485058][ T7936] legacy_get_tree+0x103/0x1f0 [ 122.489798][ T7936] vfs_get_tree+0x8b/0x2d0 [ 122.494191][ T7936] ? capable+0x14/0x20 [ 122.498235][ T7936] do_mount+0x1270/0x1b60 [ 122.502537][ T7936] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.508056][ T7936] ? copy_mount_string+0x20/0x20 [ 122.512977][ T7936] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.518496][ T7936] ? __kasan_check_write+0x14/0x20 [ 122.523580][ T7936] ? _copy_from_user+0xd6/0x110 [ 122.528404][ T7936] ? __kasan_check_read+0x11/0x20 [ 122.533410][ T7936] ? copy_mount_options+0x77/0x2c0 [ 122.538500][ T7936] __x64_sys_mount+0x169/0x1c0 [ 122.543325][ T7936] do_syscall_64+0xd0/0x600 [ 122.547813][ T7936] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.553676][ T7936] RIP: 0033:0x458da9 [ 122.557554][ 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 [ 122.577661][ T7936] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 122.586046][ T7936] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 122.594010][ T7936] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 122.601957][ T7936] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 122.609917][ T7936] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 122.617861][ T7936] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 122.625836][ T7937] CPU: 1 PID: 7937 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 122.634421][ T7937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 122.644468][ T7937] Call Trace: [ 122.647748][ T7937] dump_stack+0x12d/0x187 [ 122.652070][ T7937] should_fail.cold.4+0x5/0x13 [ 122.656814][ T7937] ? fault_create_debugfs_attr+0x150/0x150 [ 122.662605][ T7937] ? ___might_sleep+0x16b/0x2b0 [ 122.667442][ T7937] __should_failslab+0xba/0xf0 [ 122.672191][ T7937] should_failslab+0x9/0x14 [ 122.676674][ T7937] __kmalloc+0x2eb/0x790 [ 122.680893][ T7937] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 122.686158][ T7937] p9_fcall_init.isra.2+0x55/0x1c0 [ 122.691247][ T7937] p9_client_prepare_req.part.5+0x116/0x670 [ 122.697117][ T7937] p9_client_rpc+0x174/0xe50 [ 122.701686][ T7937] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 122.707469][ T7937] ? p9_client_prepare_req.part.5+0x670/0x670 [ 122.713511][ T7937] ? add_wait_queue+0x107/0x160 [ 122.718335][ T7937] ? p9_pollwait+0x182/0x210 [ 122.722899][ T7937] ? pipe_poll+0x80/0x300 [ 122.727210][ T7937] ? p9_fd_poll+0x19b/0x2a0 [ 122.731691][ T7937] ? p9_conn_create+0x399/0x4e0 [ 122.736515][ T7937] ? p9_conn_create+0x4e0/0x4e0 [ 122.741341][ T7937] p9_client_create+0x7ec/0x10e0 [ 122.746263][ T7937] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 122.752307][ T7937] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.757835][ T7937] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.763881][ T7937] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.769670][ T7937] ? __kmalloc_track_caller+0x60e/0x780 [ 122.775192][ T7937] ? __x64_sys_mount+0x169/0x1c0 [ 122.780100][ T7937] ? do_syscall_64+0xd0/0x600 [ 122.785708][ T7937] ? lockdep_init_map+0x1b6/0x6c0 [ 122.790713][ T7937] v9fs_session_init+0x1ed/0x14c0 [ 122.796664][ T7937] ? v9fs_session_init+0x1ed/0x14c0 [ 122.801839][ T7937] ? find_held_lock+0x36/0x1d0 [ 122.806589][ T7937] ? v9fs_show_options+0x6c0/0x6c0 [ 122.811679][ T7937] ? __kasan_check_read+0x11/0x20 [ 122.816696][ T7937] ? v9fs_mount+0x55/0x7f0 [ 122.821083][ T7937] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.826617][ T7937] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 122.832665][ T7937] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 122.838448][ T7937] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.843986][ T7937] ? apparmor_task_alloc+0x2f0/0x2f0 [ 122.849272][ T7937] v9fs_mount+0x72/0x7f0 [ 122.853497][ T7937] ? v9fs_write_inode+0x50/0x50 [ 122.858327][ T7937] legacy_get_tree+0x103/0x1f0 [ 122.863081][ T7937] vfs_get_tree+0x8b/0x2d0 [ 122.867483][ T7937] ? capable+0x14/0x20 [ 122.871535][ T7937] do_mount+0x1270/0x1b60 [ 122.875840][ T7937] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 122.881369][ T7937] ? copy_mount_string+0x20/0x20 [ 122.886288][ T7937] ? kmem_cache_alloc_trace+0x39e/0x780 [ 122.891833][ T7937] ? __kasan_check_read+0x11/0x20 [ 122.896832][ T7937] ? copy_mount_options+0x77/0x2c0 [ 122.901921][ T7937] __x64_sys_mount+0x169/0x1c0 [ 122.906670][ T7937] do_syscall_64+0xd0/0x600 [ 122.911153][ T7937] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 122.917022][ T7937] RIP: 0033:0x458da9 [ 122.920893][ T7937] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 122.940482][ T7937] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 122.948871][ T7937] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 122.956817][ T7937] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 122.964767][ T7937] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 122.972721][ T7937] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 122.980677][ T7937] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 122.988639][ T7928] CPU: 0 PID: 7928 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 122.997307][ T7928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.007349][ T7928] Call Trace: [ 123.007361][ T7928] dump_stack+0x12d/0x187 [ 123.007371][ T7928] should_fail.cold.4+0x5/0x13 [ 123.007379][ T7928] ? fault_create_debugfs_attr+0x150/0x150 [ 123.007388][ T7928] ? ___might_sleep+0x16b/0x2b0 [ 123.014582][ T7941] FAULT_INJECTION: forcing a failure. [ 123.014582][ T7941] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 123.014964][ T7928] __should_failslab+0xba/0xf0 [ 123.048181][ T7928] should_failslab+0x9/0x14 [ 123.053010][ T7928] __kmalloc+0x2eb/0x790 [ 123.057231][ T7928] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 123.062486][ T7928] p9_fcall_init.isra.2+0x55/0x1c0 [ 123.067571][ T7928] p9_client_prepare_req.part.5+0x116/0x670 [ 123.073439][ T7928] p9_client_rpc+0x174/0xe50 [ 123.078002][ T7928] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 123.083776][ T7928] ? p9_client_prepare_req.part.5+0x670/0x670 [ 123.089816][ T7928] ? add_wait_queue+0x107/0x160 [ 123.094642][ T7928] ? p9_pollwait+0x182/0x210 [ 123.099207][ T7928] ? pipe_poll+0x80/0x300 [ 123.103511][ T7928] ? p9_fd_poll+0x19b/0x2a0 [ 123.107985][ T7928] ? p9_conn_create+0x399/0x4e0 [ 123.112811][ T7928] ? p9_conn_create+0x4e0/0x4e0 [ 123.117637][ T7928] p9_client_create+0x7ec/0x10e0 [ 123.122560][ T7928] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 123.128636][ T7928] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.134160][ T7928] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.140208][ T7928] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.146109][ T7928] ? __kmalloc_track_caller+0x60e/0x780 [ 123.151632][ T7928] ? __x64_sys_mount+0x169/0x1c0 [ 123.156544][ T7928] ? do_syscall_64+0xd0/0x600 [ 123.161200][ T7928] ? lockdep_init_map+0x1b6/0x6c0 [ 123.166213][ T7928] v9fs_session_init+0x1ed/0x14c0 [ 123.171213][ T7928] ? v9fs_session_init+0x1ed/0x14c0 [ 123.176388][ T7928] ? find_held_lock+0x36/0x1d0 [ 123.181127][ T7928] ? v9fs_show_options+0x6c0/0x6c0 [ 123.186209][ T7928] ? __kasan_check_read+0x11/0x20 [ 123.191207][ T7928] ? v9fs_mount+0x55/0x7f0 [ 123.195598][ T7928] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.201115][ T7928] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.207162][ T7928] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.212941][ T7928] ? kmem_cache_alloc_trace+0x39e/0x780 [ 123.218462][ T7928] ? apparmor_task_alloc+0x2f0/0x2f0 [ 123.223729][ T7928] v9fs_mount+0x72/0x7f0 [ 123.227946][ T7928] ? v9fs_write_inode+0x50/0x50 [ 123.232782][ T7928] legacy_get_tree+0x103/0x1f0 [ 123.237521][ T7928] vfs_get_tree+0x8b/0x2d0 [ 123.241908][ T7928] ? capable+0x14/0x20 [ 123.245953][ T7928] do_mount+0x1270/0x1b60 [ 123.250262][ T7928] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.255779][ T7928] ? copy_mount_string+0x20/0x20 [ 123.260691][ T7928] ? kmem_cache_alloc_trace+0x39e/0x780 [ 123.266210][ T7928] ? __kasan_check_write+0x14/0x20 [ 123.271314][ T7928] ? _copy_from_user+0xd6/0x110 [ 123.276157][ T7928] ? __kasan_check_read+0x11/0x20 [ 123.281160][ T7928] ? copy_mount_options+0x77/0x2c0 [ 123.286245][ T7928] __x64_sys_mount+0x169/0x1c0 [ 123.290986][ T7928] do_syscall_64+0xd0/0x600 [ 123.295469][ T7928] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.301336][ T7928] RIP: 0033:0x458da9 [ 123.305209][ T7928] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 123.324791][ T7928] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 123.333273][ T7928] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 123.341661][ T7928] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 123.349623][ T7928] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 123.357578][ T7928] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 123.365527][ T7928] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 123.374290][ T7941] CPU: 1 PID: 7941 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 123.382869][ T7941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.392918][ T7941] Call Trace: [ 123.396198][ T7941] dump_stack+0x12d/0x187 [ 123.400524][ T7941] should_fail.cold.4+0x5/0x13 [ 123.405539][ T7941] ? do_mount+0x1270/0x1b60 2019/12/18 21:49:37 executed programs: 167 [ 123.410029][ T7941] ? fault_create_debugfs_attr+0x150/0x150 [ 123.410041][ T7941] ? find_held_lock+0x36/0x1d0 [ 123.410052][ T7941] should_fail_alloc_page+0x50/0x60 [ 123.410060][ T7941] __alloc_pages_nodemask+0x17f/0x890 [ 123.425774][ T7941] ? cache_grow_end+0xa8/0x190 [ 123.425783][ T7941] ? __alloc_pages_slowpath+0x2570/0x2570 [ 123.425790][ T7941] ? do_raw_spin_lock+0x132/0x2e0 [ 123.425804][ T7941] cache_grow_begin+0x92/0xca0 [ 123.425808][ T7941] ? __kmalloc+0xc5/0x790 [ 123.425816][ T7941] ? trace_hardirqs_off+0x41/0x1a0 [ 123.425823][ T7941] __kmalloc+0x6cd/0x790 [ 123.425833][ T7941] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 123.425841][ T7941] p9_fcall_init.isra.2+0x55/0x1c0 [ 123.435952][ T7941] p9_client_prepare_req.part.5+0x116/0x670 [ 123.435963][ T7941] p9_client_rpc+0x174/0xe50 [ 123.435974][ T7941] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 123.435980][ T7941] ? p9_client_prepare_req.part.5+0x670/0x670 [ 123.435987][ T7941] ? add_wait_queue+0x107/0x160 [ 123.435995][ T7941] ? p9_pollwait+0x182/0x210 [ 123.436003][ T7941] ? pipe_poll+0x80/0x300 [ 123.436010][ T7941] ? p9_fd_poll+0x19b/0x2a0 [ 123.436017][ T7941] ? p9_conn_create+0x399/0x4e0 [ 123.436025][ T7941] ? p9_conn_create+0x4e0/0x4e0 [ 123.436038][ T7941] p9_client_create+0x7ec/0x10e0 [ 123.436051][ T7941] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 123.436056][ T7941] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.436062][ T7941] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.436067][ T7941] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.436078][ T7941] ? __kmalloc_track_caller+0x60e/0x780 [ 123.436088][ T7941] ? __x64_sys_mount+0x169/0x1c0 [ 123.466775][ T7947] FAULT_INJECTION: forcing a failure. [ 123.466775][ T7947] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 123.470420][ T7941] ? do_syscall_64+0xd0/0x600 [ 123.583909][ T7941] ? lockdep_init_map+0x1b6/0x6c0 [ 123.588919][ T7941] v9fs_session_init+0x1ed/0x14c0 [ 123.593917][ T7941] ? v9fs_session_init+0x1ed/0x14c0 [ 123.599089][ T7941] ? find_held_lock+0x36/0x1d0 [ 123.603829][ T7941] ? v9fs_show_options+0x6c0/0x6c0 [ 123.608917][ T7941] ? __kasan_check_read+0x11/0x20 [ 123.613917][ T7941] ? v9fs_mount+0x55/0x7f0 [ 123.618307][ T7941] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.623823][ T7941] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.629859][ T7941] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.635639][ T7941] ? kmem_cache_alloc_trace+0x39e/0x780 [ 123.641161][ T7941] ? apparmor_task_alloc+0x2f0/0x2f0 [ 123.646430][ T7941] v9fs_mount+0x72/0x7f0 [ 123.650648][ T7941] ? v9fs_write_inode+0x50/0x50 [ 123.655469][ T7941] legacy_get_tree+0x103/0x1f0 [ 123.660208][ T7941] vfs_get_tree+0x8b/0x2d0 [ 123.664596][ T7941] ? capable+0x14/0x20 [ 123.668640][ T7941] do_mount+0x1270/0x1b60 [ 123.672952][ T7941] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.678472][ T7941] ? copy_mount_string+0x20/0x20 [ 123.683384][ T7941] ? kmem_cache_alloc_trace+0x39e/0x780 [ 123.688903][ T7941] ? __kasan_check_write+0x14/0x20 [ 123.693987][ T7941] ? _copy_from_user+0xd6/0x110 [ 123.699164][ T7941] ? __kasan_check_read+0x11/0x20 [ 123.704156][ T7941] ? copy_mount_options+0x77/0x2c0 [ 123.709241][ T7941] __x64_sys_mount+0x169/0x1c0 [ 123.713990][ T7941] do_syscall_64+0xd0/0x600 [ 123.718465][ T7941] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 123.724326][ T7941] RIP: 0033:0x458da9 [ 123.728192][ T7941] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 123.748722][ T7941] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 123.757106][ T7941] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 123.765059][ T7941] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 123.773004][ T7941] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 123.780955][ T7941] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 123.788899][ T7941] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 123.796859][ T7947] CPU: 0 PID: 7947 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 123.805433][ T7947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 123.805437][ T7947] Call Trace: [ 123.805448][ T7947] dump_stack+0x12d/0x187 [ 123.805458][ T7947] should_fail.cold.4+0x5/0x13 [ 123.805464][ T7947] ? do_mount+0x1270/0x1b60 [ 123.805471][ T7947] ? fault_create_debugfs_attr+0x150/0x150 [ 123.805481][ T7947] ? find_held_lock+0x36/0x1d0 [ 123.805490][ T7947] should_fail_alloc_page+0x50/0x60 [ 123.805497][ T7947] __alloc_pages_nodemask+0x17f/0x890 [ 123.828469][ T7947] ? cache_grow_end+0xa8/0x190 [ 123.838729][ T7947] ? __alloc_pages_slowpath+0x2570/0x2570 [ 123.838737][ T7947] ? do_raw_spin_lock+0x132/0x2e0 [ 123.848655][ T7947] cache_grow_begin+0x92/0xca0 [ 123.858729][ T7947] ? __kmalloc+0xc5/0x790 [ 123.858738][ T7947] ? trace_hardirqs_off+0x41/0x1a0 [ 123.874170][ T7947] __kmalloc+0x6cd/0x790 [ 123.874181][ T7947] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 123.874190][ T7947] p9_fcall_init.isra.2+0x55/0x1c0 [ 123.874197][ T7947] p9_client_prepare_req.part.5+0x116/0x670 [ 123.874206][ T7947] p9_client_rpc+0x174/0xe50 [ 123.874220][ T7947] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 123.910325][ T7955] FAULT_INJECTION: forcing a failure. [ 123.910325][ T7955] name failslab, interval 1, probability 0, space 0, times 0 [ 123.914421][ T7947] ? p9_client_prepare_req.part.5+0x670/0x670 [ 123.933292][ T7947] ? add_wait_queue+0x107/0x160 [ 123.938142][ T7947] ? p9_pollwait+0x182/0x210 [ 123.942735][ T7947] ? pipe_poll+0x80/0x300 [ 123.947048][ T7947] ? p9_fd_poll+0x19b/0x2a0 [ 123.951542][ T7947] ? p9_conn_create+0x399/0x4e0 [ 123.956376][ T7947] ? p9_conn_create+0x4e0/0x4e0 [ 123.961225][ T7947] p9_client_create+0x7ec/0x10e0 [ 123.966157][ T7947] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 123.972203][ T7947] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 123.977740][ T7947] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 123.984315][ T7947] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 123.990103][ T7947] ? __kmalloc_track_caller+0x60e/0x780 [ 123.995629][ T7947] ? __x64_sys_mount+0x169/0x1c0 [ 124.000649][ T7947] ? do_syscall_64+0xd0/0x600 [ 124.005312][ T7947] ? lockdep_init_map+0x1b6/0x6c0 [ 124.010345][ T7947] v9fs_session_init+0x1ed/0x14c0 [ 124.015346][ T7947] ? v9fs_session_init+0x1ed/0x14c0 [ 124.020535][ T7947] ? find_held_lock+0x36/0x1d0 [ 124.027470][ T7947] ? v9fs_show_options+0x6c0/0x6c0 [ 124.032572][ T7947] ? __kasan_check_read+0x11/0x20 [ 124.037584][ T7947] ? v9fs_mount+0x55/0x7f0 [ 124.041981][ T7947] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.050028][ T7947] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.056078][ T7947] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.061865][ T7947] ? kmem_cache_alloc_trace+0x39e/0x780 [ 124.067387][ T7947] ? apparmor_task_alloc+0x2f0/0x2f0 [ 124.072654][ T7947] v9fs_mount+0x72/0x7f0 [ 124.076894][ T7947] ? v9fs_write_inode+0x50/0x50 [ 124.081725][ T7947] legacy_get_tree+0x103/0x1f0 [ 124.086468][ T7947] vfs_get_tree+0x8b/0x2d0 [ 124.090857][ T7947] ? capable+0x14/0x20 [ 124.094900][ T7947] do_mount+0x1270/0x1b60 [ 124.099205][ T7947] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 124.104640][ T7947] ? copy_mount_string+0x20/0x20 [ 124.109555][ T7947] ? retint_kernel+0x2b/0x2b [ 124.114124][ T7947] ? copy_mount_options+0x19d/0x2c0 [ 124.119299][ T7947] __x64_sys_mount+0x169/0x1c0 [ 124.124045][ T7947] do_syscall_64+0xd0/0x600 [ 124.128529][ T7947] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.134393][ T7947] RIP: 0033:0x458da9 [ 124.138264][ 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 [ 124.158272][ T7947] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 124.166653][ T7947] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 124.174597][ T7947] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 124.182542][ T7947] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 124.190487][ T7947] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 124.198432][ T7947] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 124.206394][ T7955] CPU: 1 PID: 7955 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 124.214973][ T7955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.215110][ T7948] FAULT_INJECTION: forcing a failure. [ 124.215110][ T7948] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 124.225010][ T7955] Call Trace: [ 124.225021][ T7955] dump_stack+0x12d/0x187 [ 124.245737][ T7955] should_fail.cold.4+0x5/0x13 [ 124.250478][ T7955] ? fault_create_debugfs_attr+0x150/0x150 [ 124.256254][ T7955] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 124.262828][ T7955] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.268347][ T7955] __should_failslab+0xba/0xf0 [ 124.273095][ T7955] should_failslab+0x9/0x14 [ 124.277587][ T7955] kmem_cache_alloc+0x47/0x750 [ 124.282320][ T7955] ? __x64_sys_mount+0x169/0x1c0 [ 124.287233][ T7955] ? do_syscall_64+0xd0/0x600 [ 124.291888][ T7955] ? v9fs_session_init+0x1ed/0x14c0 [ 124.297077][ T7955] ? v9fs_mount+0x72/0x7f0 [ 124.301465][ T7955] ? legacy_get_tree+0x103/0x1f0 [ 124.306372][ T7955] ? vfs_get_tree+0x8b/0x2d0 [ 124.310950][ T7955] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 124.317790][ T7955] idr_get_free+0x35d/0x880 [ 124.322280][ T7955] idr_alloc_u32+0x13a/0x330 [ 124.326846][ T7955] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 124.332369][ T7955] ? mark_held_locks+0x130/0x130 [ 124.337284][ T7955] ? __kasan_check_write+0x14/0x20 [ 124.342368][ T7955] ? do_raw_spin_lock+0x132/0x2e0 [ 124.347376][ T7955] idr_alloc+0x7d/0xc0 [ 124.351418][ T7955] ? idr_alloc_u32+0x330/0x330 [ 124.356219][ T7955] p9_client_prepare_req.part.5+0x571/0x670 [ 124.362091][ T7955] p9_client_rpc+0x174/0xe50 [ 124.366652][ T7955] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 124.372429][ T7955] ? p9_client_prepare_req.part.5+0x670/0x670 [ 124.378468][ T7955] ? add_wait_queue+0x107/0x160 [ 124.383812][ T7955] ? p9_pollwait+0x182/0x210 [ 124.388374][ T7955] ? pipe_poll+0x80/0x300 [ 124.392675][ T7955] ? p9_fd_poll+0x19b/0x2a0 [ 124.397153][ T7955] ? p9_conn_create+0x399/0x4e0 [ 124.401998][ T7955] ? p9_conn_create+0x4e0/0x4e0 [ 124.406841][ T7955] p9_client_create+0x7ec/0x10e0 [ 124.411774][ T7955] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 124.417816][ T7955] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.423333][ T7955] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.429381][ T7955] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.435163][ T7955] ? __kmalloc_track_caller+0x60e/0x780 [ 124.440690][ T7955] ? __x64_sys_mount+0x169/0x1c0 [ 124.445602][ T7955] ? do_syscall_64+0xd0/0x600 [ 124.450248][ T7955] ? lockdep_init_map+0x1b6/0x6c0 [ 124.455251][ T7955] v9fs_session_init+0x1ed/0x14c0 [ 124.460246][ T7955] ? v9fs_session_init+0x1ed/0x14c0 [ 124.465418][ T7955] ? find_held_lock+0x36/0x1d0 [ 124.470167][ T7955] ? v9fs_show_options+0x6c0/0x6c0 [ 124.475248][ T7955] ? __kasan_check_read+0x11/0x20 [ 124.480246][ T7955] ? v9fs_mount+0x55/0x7f0 [ 124.484636][ T7955] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.490150][ T7955] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.496185][ T7955] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.501967][ T7955] ? kmem_cache_alloc_trace+0x39e/0x780 [ 124.507487][ T7955] ? apparmor_task_alloc+0x2f0/0x2f0 [ 124.512745][ T7955] v9fs_mount+0x72/0x7f0 [ 124.516977][ T7955] ? v9fs_write_inode+0x50/0x50 [ 124.521827][ T7955] legacy_get_tree+0x103/0x1f0 [ 124.526573][ T7955] vfs_get_tree+0x8b/0x2d0 [ 124.530975][ T7955] ? capable+0x14/0x20 [ 124.535024][ T7955] do_mount+0x1270/0x1b60 [ 124.539332][ T7955] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.544852][ T7955] ? copy_mount_string+0x20/0x20 [ 124.549768][ T7955] ? kmem_cache_alloc_trace+0x39e/0x780 [ 124.555290][ T7955] ? __kasan_check_write+0x14/0x20 [ 124.560388][ T7955] ? _copy_from_user+0xd6/0x110 [ 124.565226][ T7955] ? __kasan_check_read+0x11/0x20 [ 124.570220][ T7955] ? copy_mount_options+0x77/0x2c0 [ 124.575305][ T7955] __x64_sys_mount+0x169/0x1c0 [ 124.580044][ T7955] do_syscall_64+0xd0/0x600 [ 124.584519][ T7955] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 124.590383][ T7955] RIP: 0033:0x458da9 [ 124.594256][ T7955] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 124.613829][ T7955] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 124.622228][ T7955] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 124.630182][ T7955] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 124.638130][ T7955] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 124.646081][ T7955] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 124.654032][ T7955] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 124.662001][ T7948] CPU: 0 PID: 7948 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 124.668393][ T7949] FAULT_INJECTION: forcing a failure. [ 124.668393][ T7949] name failslab, interval 1, probability 0, space 0, times 0 [ 124.670580][ T7948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 124.693158][ T7948] Call Trace: [ 124.696427][ T7948] dump_stack+0x12d/0x187 [ 124.700748][ T7948] should_fail.cold.4+0x5/0x13 [ 124.705483][ T7948] ? do_mount+0x1270/0x1b60 [ 124.709961][ T7948] ? fault_create_debugfs_attr+0x150/0x150 [ 124.715739][ T7948] ? find_held_lock+0x36/0x1d0 [ 124.720477][ T7948] should_fail_alloc_page+0x50/0x60 [ 124.725647][ T7948] __alloc_pages_nodemask+0x17f/0x890 [ 124.730991][ T7948] ? cache_grow_end+0xa8/0x190 [ 124.735726][ T7948] ? __alloc_pages_slowpath+0x2570/0x2570 [ 124.741415][ T7948] ? do_raw_spin_lock+0x132/0x2e0 [ 124.746426][ T7948] cache_grow_begin+0x92/0xca0 [ 124.751161][ T7948] ? __kmalloc+0xc5/0x790 [ 124.755473][ T7948] ? trace_hardirqs_off+0x41/0x1a0 [ 124.760556][ T7948] __kmalloc+0x6cd/0x790 [ 124.764772][ T7948] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 124.770028][ T7948] p9_fcall_init.isra.2+0x55/0x1c0 [ 124.775112][ T7948] p9_client_prepare_req.part.5+0x116/0x670 [ 124.780976][ T7948] p9_client_rpc+0x174/0xe50 [ 124.785540][ T7948] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 124.791318][ T7948] ? p9_client_prepare_req.part.5+0x670/0x670 [ 124.797352][ T7948] ? add_wait_queue+0x107/0x160 [ 124.802182][ T7948] ? p9_pollwait+0x182/0x210 [ 124.806748][ T7948] ? pipe_poll+0x80/0x300 [ 124.812009][ T7948] ? p9_fd_poll+0x19b/0x2a0 [ 124.816484][ T7948] ? p9_conn_create+0x399/0x4e0 [ 124.821305][ T7948] ? p9_conn_create+0x4e0/0x4e0 [ 124.826130][ T7948] p9_client_create+0x7ec/0x10e0 [ 124.831043][ T7948] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 124.837079][ T7948] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.842597][ T7948] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.848632][ T7948] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.854411][ T7948] ? __kmalloc_track_caller+0x60e/0x780 [ 124.859926][ T7948] ? __x64_sys_mount+0x169/0x1c0 [ 124.864833][ T7948] ? do_syscall_64+0xd0/0x600 [ 124.869478][ T7948] ? lockdep_init_map+0x1b6/0x6c0 [ 124.874480][ T7948] v9fs_session_init+0x1ed/0x14c0 [ 124.879473][ T7948] ? v9fs_session_init+0x1ed/0x14c0 [ 124.884655][ T7948] ? find_held_lock+0x36/0x1d0 [ 124.889395][ T7948] ? v9fs_show_options+0x6c0/0x6c0 [ 124.894478][ T7948] ? __kasan_check_read+0x11/0x20 [ 124.899478][ T7948] ? v9fs_mount+0x55/0x7f0 [ 124.903866][ T7948] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.909381][ T7948] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 124.915423][ T7948] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 124.921203][ T7948] ? kmem_cache_alloc_trace+0x39e/0x780 [ 124.927675][ T7948] ? apparmor_task_alloc+0x2f0/0x2f0 [ 124.932933][ T7948] v9fs_mount+0x72/0x7f0 [ 124.937150][ T7948] ? v9fs_write_inode+0x50/0x50 [ 124.941985][ T7948] legacy_get_tree+0x103/0x1f0 [ 124.947677][ T7948] vfs_get_tree+0x8b/0x2d0 [ 124.952064][ T7948] ? capable+0x14/0x20 [ 124.956107][ T7948] do_mount+0x1270/0x1b60 [ 124.960407][ T7948] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 124.965926][ T7948] ? copy_mount_string+0x20/0x20 [ 124.970834][ T7948] ? kmem_cache_alloc_trace+0x39e/0x780 [ 124.976610][ T7948] ? __kasan_check_write+0x14/0x20 [ 124.981693][ T7948] ? _copy_from_user+0xd6/0x110 [ 124.986516][ T7948] ? __kasan_check_read+0x11/0x20 [ 124.991533][ T7948] ? copy_mount_options+0x77/0x2c0 [ 124.996618][ T7948] __x64_sys_mount+0x169/0x1c0 [ 125.001371][ T7948] do_syscall_64+0xd0/0x600 [ 125.005862][ T7948] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.011732][ T7948] RIP: 0033:0x458da9 [ 125.015603][ T7948] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 125.035188][ T7948] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.043577][ T7948] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 125.051524][ T7948] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 125.059480][ T7948] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 125.067425][ T7948] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 125.075370][ T7948] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 125.083343][ T7949] CPU: 1 PID: 7949 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 125.091922][ T7949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.101970][ T7949] Call Trace: [ 125.105257][ T7949] dump_stack+0x12d/0x187 [ 125.109582][ T7949] should_fail.cold.4+0x5/0x13 [ 125.114341][ T7949] ? stack_trace_save+0x82/0xb0 [ 125.118281][ T7962] FAULT_INJECTION: forcing a failure. [ 125.118281][ T7962] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 125.119177][ T7949] ? fault_create_debugfs_attr+0x150/0x150 [ 125.138119][ T7949] __should_failslab+0xba/0xf0 [ 125.142859][ T7949] should_failslab+0x9/0x14 [ 125.147333][ T7949] kmem_cache_alloc+0x47/0x750 [ 125.152071][ T7949] ? __x64_sys_mount+0x169/0x1c0 [ 125.156978][ T7949] ? do_syscall_64+0xd0/0x600 [ 125.161631][ T7949] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 125.168035][ T7949] ? __kasan_check_read+0x11/0x20 [ 125.173042][ T7949] idr_get_free+0x35d/0x880 [ 125.177528][ T7949] ? __kasan_check_read+0x11/0x20 [ 125.182533][ T7949] idr_alloc_u32+0x13a/0x330 [ 125.187114][ T7949] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 125.192643][ T7949] ? mark_held_locks+0x130/0x130 [ 125.197556][ T7949] ? __kasan_check_write+0x14/0x20 [ 125.202649][ T7949] ? do_raw_spin_lock+0x132/0x2e0 [ 125.207650][ T7949] idr_alloc+0x7d/0xc0 [ 125.211693][ T7949] ? idr_alloc_u32+0x330/0x330 [ 125.216432][ T7949] p9_client_prepare_req.part.5+0x571/0x670 [ 125.222305][ T7949] p9_client_rpc+0x174/0xe50 [ 125.226870][ T7949] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 125.232646][ T7949] ? p9_client_prepare_req.part.5+0x670/0x670 [ 125.238695][ T7949] ? add_wait_queue+0x107/0x160 [ 125.243521][ T7949] ? p9_pollwait+0x182/0x210 [ 125.248089][ T7949] ? pipe_poll+0x80/0x300 [ 125.252390][ T7949] ? p9_fd_poll+0x19b/0x2a0 [ 125.256956][ T7949] ? p9_conn_create+0x399/0x4e0 [ 125.261781][ T7949] ? p9_conn_create+0x4e0/0x4e0 [ 125.266606][ T7949] p9_client_create+0x7ec/0x10e0 [ 125.271521][ T7949] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 125.277573][ T7949] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.283099][ T7949] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.289137][ T7949] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.294918][ T7949] ? __kmalloc_track_caller+0x60e/0x780 [ 125.300435][ T7949] ? __x64_sys_mount+0x169/0x1c0 [ 125.305344][ T7949] ? do_syscall_64+0xd0/0x600 [ 125.309994][ T7949] ? lockdep_init_map+0x1b6/0x6c0 [ 125.315008][ T7949] v9fs_session_init+0x1ed/0x14c0 [ 125.320001][ T7949] ? v9fs_session_init+0x1ed/0x14c0 [ 125.325172][ T7949] ? find_held_lock+0x36/0x1d0 [ 125.329946][ T7949] ? v9fs_show_options+0x6c0/0x6c0 [ 125.335034][ T7949] ? __kasan_check_read+0x11/0x20 [ 125.340038][ T7949] ? v9fs_mount+0x55/0x7f0 [ 125.344431][ T7949] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.349951][ T7949] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.355992][ T7949] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.361775][ T7949] ? kmem_cache_alloc_trace+0x39e/0x780 [ 125.367293][ T7949] ? apparmor_task_alloc+0x2f0/0x2f0 [ 125.372560][ T7949] v9fs_mount+0x72/0x7f0 [ 125.376778][ T7949] ? v9fs_write_inode+0x50/0x50 [ 125.381600][ T7949] legacy_get_tree+0x103/0x1f0 [ 125.386336][ T7949] vfs_get_tree+0x8b/0x2d0 [ 125.390733][ T7949] ? capable+0x14/0x20 [ 125.394777][ T7949] do_mount+0x1270/0x1b60 [ 125.399077][ T7949] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.404597][ T7949] ? copy_mount_string+0x20/0x20 [ 125.409511][ T7949] ? kmem_cache_alloc_trace+0x39e/0x780 [ 125.415028][ T7949] ? __kasan_check_write+0x14/0x20 [ 125.420110][ T7949] ? _copy_from_user+0xd6/0x110 [ 125.424932][ T7949] ? __kasan_check_read+0x11/0x20 [ 125.429925][ T7949] ? copy_mount_options+0x77/0x2c0 [ 125.435009][ T7949] __x64_sys_mount+0x169/0x1c0 [ 125.439750][ T7949] do_syscall_64+0xd0/0x600 [ 125.444226][ T7949] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.450090][ T7949] RIP: 0033:0x458da9 [ 125.453965][ 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 [ 125.473553][ T7949] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.481946][ T7949] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 125.489891][ T7949] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 125.497838][ T7949] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 125.505872][ T7949] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 125.513815][ T7949] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 125.521786][ T7962] CPU: 0 PID: 7962 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 125.530353][ T7962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.530357][ T7962] Call Trace: [ 125.530368][ T7962] dump_stack+0x12d/0x187 [ 125.530378][ T7962] should_fail.cold.4+0x5/0x13 [ 125.530385][ T7962] ? do_mount+0x1270/0x1b60 [ 125.530392][ T7962] ? fault_create_debugfs_attr+0x150/0x150 [ 125.564407][ T7962] ? find_held_lock+0x36/0x1d0 [ 125.564418][ T7962] should_fail_alloc_page+0x50/0x60 [ 125.564424][ T7962] __alloc_pages_nodemask+0x17f/0x890 [ 125.564431][ T7962] ? cache_grow_end+0xa8/0x190 [ 125.564438][ T7962] ? __alloc_pages_slowpath+0x2570/0x2570 [ 125.564444][ T7962] ? do_raw_spin_lock+0x132/0x2e0 [ 125.574369][ T7962] cache_grow_begin+0x92/0xca0 [ 125.584446][ T7962] ? __kmalloc+0xc5/0x790 [ 125.584454][ T7962] ? trace_hardirqs_off+0x41/0x1a0 [ 125.584461][ T7962] __kmalloc+0x6cd/0x790 [ 125.584471][ T7962] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 125.584478][ T7962] p9_fcall_init.isra.2+0x55/0x1c0 [ 125.584485][ T7962] p9_client_prepare_req.part.5+0x116/0x670 [ 125.584495][ T7962] p9_client_rpc+0x174/0xe50 [ 125.635100][ T7962] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 125.640892][ T7962] ? p9_client_prepare_req.part.5+0x670/0x670 [ 125.646939][ T7962] ? add_wait_queue+0x107/0x160 [ 125.651777][ T7962] ? p9_pollwait+0x182/0x210 [ 125.656352][ T7962] ? pipe_poll+0x80/0x300 [ 125.660673][ T7962] ? p9_fd_poll+0x19b/0x2a0 [ 125.665162][ T7962] ? p9_conn_create+0x399/0x4e0 [ 125.670019][ T7962] ? p9_conn_create+0x4e0/0x4e0 [ 125.674857][ T7962] p9_client_create+0x7ec/0x10e0 [ 125.679784][ T7962] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 125.685829][ T7962] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.691375][ T7962] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.697433][ T7962] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.703230][ T7962] ? __kmalloc_track_caller+0x60e/0x780 [ 125.708777][ T7962] ? __x64_sys_mount+0x169/0x1c0 [ 125.713726][ T7962] ? do_syscall_64+0xd0/0x600 [ 125.718386][ T7962] ? lockdep_init_map+0x1b6/0x6c0 [ 125.723416][ T7962] v9fs_session_init+0x1ed/0x14c0 [ 125.728867][ T7962] ? v9fs_session_init+0x1ed/0x14c0 [ 125.735004][ T7962] ? find_held_lock+0x36/0x1d0 [ 125.739755][ T7962] ? v9fs_show_options+0x6c0/0x6c0 [ 125.744848][ T7962] ? __kasan_check_read+0x11/0x20 [ 125.749853][ T7962] ? v9fs_mount+0x55/0x7f0 [ 125.754249][ T7962] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.760125][ T7962] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 125.766170][ T7962] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 125.771961][ T7962] ? kmem_cache_alloc_trace+0x39e/0x780 [ 125.777487][ T7962] ? apparmor_task_alloc+0x2f0/0x2f0 [ 125.782761][ T7962] v9fs_mount+0x72/0x7f0 [ 125.786986][ T7962] ? v9fs_write_inode+0x50/0x50 [ 125.791816][ T7962] legacy_get_tree+0x103/0x1f0 [ 125.796566][ T7962] vfs_get_tree+0x8b/0x2d0 [ 125.800962][ T7962] ? capable+0x14/0x20 [ 125.805013][ T7962] do_mount+0x1270/0x1b60 [ 125.809323][ T7962] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 125.814853][ T7962] ? copy_mount_string+0x20/0x20 [ 125.819776][ T7962] ? kmem_cache_alloc_trace+0x39e/0x780 [ 125.825302][ T7962] ? __kasan_check_write+0x14/0x20 [ 125.830392][ T7962] ? _copy_from_user+0xd6/0x110 [ 125.835229][ T7962] ? __kasan_check_read+0x11/0x20 [ 125.840232][ T7962] ? copy_mount_options+0x77/0x2c0 [ 125.845328][ T7962] __x64_sys_mount+0x169/0x1c0 [ 125.850077][ T7962] do_syscall_64+0xd0/0x600 [ 125.854563][ T7962] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 125.860441][ T7962] RIP: 0033:0x458da9 [ 125.864319][ T7962] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 125.883902][ T7962] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 125.892295][ T7962] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 125.900250][ T7962] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 125.908203][ T7962] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 125.916155][ T7962] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 125.924106][ T7962] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 125.951991][ T7969] FAULT_INJECTION: forcing a failure. [ 125.951991][ T7969] name failslab, interval 1, probability 0, space 0, times 0 [ 125.964595][ T7969] CPU: 1 PID: 7969 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 125.973164][ T7969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 125.983207][ T7969] Call Trace: [ 125.986479][ T7969] dump_stack+0x12d/0x187 [ 125.990791][ T7969] should_fail.cold.4+0x5/0x13 [ 125.995537][ T7969] ? fault_create_debugfs_attr+0x150/0x150 [ 126.001403][ T7969] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 126.007961][ T7969] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.013480][ T7969] __should_failslab+0xba/0xf0 [ 126.018222][ T7969] should_failslab+0x9/0x14 [ 126.022706][ T7969] kmem_cache_alloc+0x47/0x750 [ 126.027238][ T7970] FAULT_INJECTION: forcing a failure. [ 126.027238][ T7970] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 126.027447][ T7969] ? __x64_sys_mount+0x169/0x1c0 [ 126.045515][ T7969] ? do_syscall_64+0xd0/0x600 [ 126.050166][ T7969] ? v9fs_session_init+0x1ed/0x14c0 [ 126.055332][ T7969] ? v9fs_mount+0x72/0x7f0 [ 126.059720][ T7969] ? legacy_get_tree+0x103/0x1f0 [ 126.064645][ T7969] ? vfs_get_tree+0x8b/0x2d0 [ 126.069218][ T7969] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 126.075621][ T7969] idr_get_free+0x35d/0x880 [ 126.080121][ T7969] idr_alloc_u32+0x13a/0x330 [ 126.084711][ T7969] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 126.090249][ T7969] ? mark_held_locks+0x130/0x130 [ 126.095173][ T7969] ? __kasan_check_write+0x14/0x20 [ 126.100255][ T7969] ? do_raw_spin_lock+0x132/0x2e0 [ 126.105251][ T7969] idr_alloc+0x7d/0xc0 [ 126.109290][ T7969] ? idr_alloc_u32+0x330/0x330 [ 126.114030][ T7969] p9_client_prepare_req.part.5+0x571/0x670 [ 126.119898][ T7969] p9_client_rpc+0x174/0xe50 [ 126.124465][ T7969] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 126.130239][ T7969] ? p9_client_prepare_req.part.5+0x670/0x670 [ 126.136277][ T7969] ? add_wait_queue+0x107/0x160 [ 126.141099][ T7969] ? p9_pollwait+0x182/0x210 [ 126.145664][ T7969] ? pipe_poll+0x80/0x300 [ 126.149968][ T7969] ? p9_fd_poll+0x19b/0x2a0 [ 126.154446][ T7969] ? p9_conn_create+0x399/0x4e0 [ 126.159271][ T7969] ? p9_conn_create+0x4e0/0x4e0 [ 126.164101][ T7969] p9_client_create+0x7ec/0x10e0 [ 126.169026][ T7969] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 126.175064][ T7969] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.180580][ T7969] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.186618][ T7969] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.192400][ T7969] ? __kmalloc_track_caller+0x60e/0x780 [ 126.197919][ T7969] ? __x64_sys_mount+0x169/0x1c0 [ 126.202837][ T7969] ? do_syscall_64+0xd0/0x600 [ 126.207482][ T7969] ? lockdep_init_map+0x1b6/0x6c0 [ 126.212500][ T7969] v9fs_session_init+0x1ed/0x14c0 [ 126.217504][ T7969] ? v9fs_session_init+0x1ed/0x14c0 [ 126.222675][ T7969] ? find_held_lock+0x36/0x1d0 [ 126.227415][ T7969] ? v9fs_show_options+0x6c0/0x6c0 [ 126.233451][ T7969] ? __kasan_check_read+0x11/0x20 [ 126.238450][ T7969] ? v9fs_mount+0x55/0x7f0 [ 126.242836][ T7969] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.248350][ T7969] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.254387][ T7969] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.260166][ T7969] ? kmem_cache_alloc_trace+0x39e/0x780 [ 126.265682][ T7969] ? apparmor_task_alloc+0x2f0/0x2f0 [ 126.270941][ T7969] v9fs_mount+0x72/0x7f0 [ 126.275162][ T7969] ? v9fs_write_inode+0x50/0x50 [ 126.279982][ T7969] legacy_get_tree+0x103/0x1f0 [ 126.284745][ T7969] vfs_get_tree+0x8b/0x2d0 [ 126.289152][ T7969] ? capable+0x14/0x20 [ 126.293192][ T7969] do_mount+0x1270/0x1b60 [ 126.297496][ T7969] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.303015][ T7969] ? copy_mount_string+0x20/0x20 [ 126.307925][ T7969] ? kmem_cache_alloc_trace+0x39e/0x780 [ 126.313442][ T7969] ? __kasan_check_write+0x14/0x20 [ 126.318642][ T7969] ? _copy_from_user+0xd6/0x110 [ 126.323475][ T7969] ? __kasan_check_read+0x11/0x20 [ 126.328477][ T7969] ? copy_mount_options+0x77/0x2c0 [ 126.333569][ T7969] __x64_sys_mount+0x169/0x1c0 [ 126.338419][ T7969] do_syscall_64+0xd0/0x600 [ 126.342903][ T7969] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 126.348772][ T7969] RIP: 0033:0x458da9 [ 126.352641][ T7969] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 126.372220][ T7969] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 126.380602][ T7969] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 126.388558][ T7969] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 126.396502][ T7969] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 126.404446][ T7969] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 126.412390][ T7969] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 126.420351][ T7970] CPU: 0 PID: 7970 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 126.428933][ T7970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.438973][ T7970] Call Trace: [ 126.442260][ T7970] dump_stack+0x12d/0x187 [ 126.446586][ T7970] should_fail.cold.4+0x5/0x13 [ 126.451329][ T7970] ? do_mount+0x1270/0x1b60 [ 126.455813][ T7970] ? fault_create_debugfs_attr+0x150/0x150 [ 126.461609][ T7970] ? find_held_lock+0x36/0x1d0 [ 126.466358][ T7970] should_fail_alloc_page+0x50/0x60 [ 126.471534][ T7970] __alloc_pages_nodemask+0x17f/0x890 [ 126.476895][ T7970] ? cache_grow_end+0xa8/0x190 [ 126.481641][ T7970] ? __alloc_pages_slowpath+0x2570/0x2570 [ 126.487339][ T7970] ? do_raw_spin_lock+0x132/0x2e0 [ 126.492352][ T7970] cache_grow_begin+0x92/0xca0 [ 126.497097][ T7970] ? __kmalloc+0xc5/0x790 [ 126.502021][ T7970] ? trace_hardirqs_off+0x41/0x1a0 [ 126.507115][ T7970] __kmalloc+0x6cd/0x790 [ 126.511342][ T7970] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 126.518262][ T7970] p9_fcall_init.isra.2+0x55/0x1c0 [ 126.524311][ T7970] p9_client_prepare_req.part.5+0x116/0x670 [ 126.530187][ T7970] p9_client_rpc+0x174/0xe50 [ 126.534759][ T7970] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 126.540544][ T7970] ? p9_client_prepare_req.part.5+0x670/0x670 [ 126.546602][ T7970] ? add_wait_queue+0x107/0x160 [ 126.551449][ T7970] ? p9_pollwait+0x182/0x210 [ 126.556024][ T7970] ? pipe_poll+0x80/0x300 [ 126.560349][ T7970] ? p9_fd_poll+0x19b/0x2a0 [ 126.564835][ T7970] ? p9_conn_create+0x399/0x4e0 [ 126.569676][ T7970] ? p9_conn_create+0x4e0/0x4e0 [ 126.574516][ T7970] p9_client_create+0x7ec/0x10e0 [ 126.579446][ T7970] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 126.585497][ T7970] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.592609][ T7970] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.598663][ T7970] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.604462][ T7970] ? __kmalloc_track_caller+0x60e/0x780 [ 126.609994][ T7970] ? __x64_sys_mount+0x169/0x1c0 [ 126.614915][ T7970] ? do_syscall_64+0xd0/0x600 [ 126.619573][ T7970] ? lockdep_init_map+0x1b6/0x6c0 [ 126.624610][ T7970] v9fs_session_init+0x1ed/0x14c0 [ 126.629617][ T7970] ? v9fs_session_init+0x1ed/0x14c0 [ 126.634812][ T7970] ? find_held_lock+0x36/0x1d0 [ 126.639563][ T7970] ? v9fs_show_options+0x6c0/0x6c0 [ 126.644658][ T7970] ? __kasan_check_read+0x11/0x20 [ 126.649668][ T7970] ? v9fs_mount+0x55/0x7f0 [ 126.654070][ T7970] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.659616][ T7970] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 126.665674][ T7970] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 126.671467][ T7970] ? kmem_cache_alloc_trace+0x39e/0x780 [ 126.677009][ T7970] ? apparmor_task_alloc+0x2f0/0x2f0 [ 126.682394][ T7970] v9fs_mount+0x72/0x7f0 [ 126.686629][ T7970] ? v9fs_write_inode+0x50/0x50 [ 126.691488][ T7970] legacy_get_tree+0x103/0x1f0 [ 126.696243][ T7970] vfs_get_tree+0x8b/0x2d0 [ 126.700643][ T7970] ? capable+0x14/0x20 [ 126.704700][ T7970] do_mount+0x1270/0x1b60 [ 126.709031][ T7970] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 126.714566][ T7970] ? copy_mount_string+0x20/0x20 [ 126.720443][ T7970] ? kmem_cache_alloc_trace+0x39e/0x780 [ 126.726926][ T7970] ? __kasan_check_write+0x14/0x20 [ 126.732021][ T7970] ? _copy_from_user+0xd6/0x110 [ 126.736859][ T7970] ? __kasan_check_read+0x11/0x20 [ 126.741959][ T7970] ? copy_mount_options+0x77/0x2c0 [ 126.747058][ T7970] __x64_sys_mount+0x169/0x1c0 [ 126.751811][ T7970] do_syscall_64+0xd0/0x600 [ 126.756298][ T7970] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 126.762205][ T7970] RIP: 0033:0x458da9 [ 126.766092][ T7970] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 126.786055][ T7970] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 126.794453][ T7970] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 126.802413][ T7970] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 126.810366][ T7970] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 126.818322][ T7970] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 126.826294][ T7970] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 126.857128][ T7975] FAULT_INJECTION: forcing a failure. [ 126.857128][ T7975] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 126.868249][ T7977] FAULT_INJECTION: forcing a failure. [ 126.868249][ T7977] name failslab, interval 1, probability 0, space 0, times 0 [ 126.870343][ T7975] CPU: 0 PID: 7975 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 126.891500][ T7975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 126.901545][ T7975] Call Trace: [ 126.904814][ T7975] dump_stack+0x12d/0x187 [ 126.909212][ T7975] should_fail.cold.4+0x5/0x13 [ 126.913951][ T7975] ? do_mount+0x1270/0x1b60 [ 126.919214][ T7975] ? fault_create_debugfs_attr+0x150/0x150 [ 126.924998][ T7975] ? find_held_lock+0x36/0x1d0 [ 126.929834][ T7975] should_fail_alloc_page+0x50/0x60 [ 126.935004][ T7975] __alloc_pages_nodemask+0x17f/0x890 [ 126.940362][ T7975] ? cache_grow_end+0xa8/0x190 [ 126.945099][ T7975] ? __alloc_pages_slowpath+0x2570/0x2570 [ 126.950791][ T7975] ? do_raw_spin_lock+0x132/0x2e0 [ 126.955800][ T7975] cache_grow_begin+0x92/0xca0 [ 126.960546][ T7975] ? __kmalloc+0xc5/0x790 [ 126.964848][ T7975] ? trace_hardirqs_off+0x41/0x1a0 [ 126.969935][ T7975] __kmalloc+0x6cd/0x790 [ 126.974151][ T7975] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 126.979412][ T7975] p9_fcall_init.isra.2+0x55/0x1c0 [ 126.984512][ T7975] p9_client_prepare_req.part.5+0x116/0x670 [ 126.990379][ T7975] p9_client_rpc+0x174/0xe50 [ 126.994956][ T7975] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 127.000747][ T7975] ? p9_client_prepare_req.part.5+0x670/0x670 [ 127.006786][ T7975] ? add_wait_queue+0x107/0x160 [ 127.011610][ T7975] ? p9_pollwait+0x182/0x210 [ 127.016183][ T7975] ? pipe_poll+0x80/0x300 [ 127.020501][ T7975] ? p9_fd_poll+0x19b/0x2a0 [ 127.024981][ T7975] ? p9_conn_create+0x399/0x4e0 [ 127.029805][ T7975] ? p9_conn_create+0x4e0/0x4e0 [ 127.034654][ T7975] p9_client_create+0x7ec/0x10e0 [ 127.039583][ T7975] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 127.045626][ T7975] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.051145][ T7975] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.057183][ T7975] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.062966][ T7975] ? __kmalloc_track_caller+0x60e/0x780 [ 127.068484][ T7975] ? __x64_sys_mount+0x169/0x1c0 [ 127.073705][ T7975] ? do_syscall_64+0xd0/0x600 [ 127.078353][ T7975] ? lockdep_init_map+0x1b6/0x6c0 [ 127.083367][ T7975] v9fs_session_init+0x1ed/0x14c0 [ 127.088373][ T7975] ? v9fs_session_init+0x1ed/0x14c0 [ 127.093544][ T7975] ? find_held_lock+0x36/0x1d0 [ 127.098284][ T7975] ? v9fs_show_options+0x6c0/0x6c0 [ 127.103540][ T7975] ? __kasan_check_read+0x11/0x20 [ 127.108538][ T7975] ? v9fs_mount+0x55/0x7f0 [ 127.112927][ T7975] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.118443][ T7975] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.124478][ T7975] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.130288][ T7975] ? kmem_cache_alloc_trace+0x39e/0x780 [ 127.135811][ T7975] ? apparmor_task_alloc+0x2f0/0x2f0 [ 127.141090][ T7975] v9fs_mount+0x72/0x7f0 [ 127.145335][ T7975] ? v9fs_write_inode+0x50/0x50 [ 127.150165][ T7975] legacy_get_tree+0x103/0x1f0 [ 127.154922][ T7975] vfs_get_tree+0x8b/0x2d0 [ 127.159316][ T7975] ? capable+0x14/0x20 [ 127.163363][ T7975] do_mount+0x1270/0x1b60 [ 127.167667][ T7975] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.173191][ T7975] ? copy_mount_string+0x20/0x20 [ 127.178107][ T7975] ? kmem_cache_alloc_trace+0x39e/0x780 [ 127.183629][ T7975] ? __kasan_check_write+0x14/0x20 [ 127.188710][ T7975] ? _copy_from_user+0xd6/0x110 [ 127.193534][ T7975] ? __kasan_check_read+0x11/0x20 [ 127.198534][ T7975] ? copy_mount_options+0x77/0x2c0 [ 127.203616][ T7975] __x64_sys_mount+0x169/0x1c0 [ 127.208353][ T7975] do_syscall_64+0xd0/0x600 [ 127.212833][ T7975] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.218695][ T7975] RIP: 0033:0x458da9 [ 127.222572][ 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 [ 127.242150][ T7975] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 127.250534][ T7975] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 127.258489][ T7975] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 127.266431][ T7975] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 127.274462][ T7975] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 127.282407][ T7975] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 127.290367][ T7977] CPU: 1 PID: 7977 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 127.298956][ T7977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.309962][ T7977] Call Trace: [ 127.313246][ T7977] dump_stack+0x12d/0x187 [ 127.317665][ T7977] should_fail.cold.4+0x5/0x13 [ 127.322425][ T7977] ? stack_trace_save+0x82/0xb0 [ 127.327367][ T7977] ? fault_create_debugfs_attr+0x150/0x150 [ 127.328001][ T7980] FAULT_INJECTION: forcing a failure. [ 127.328001][ T7980] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 127.333169][ T7977] __should_failslab+0xba/0xf0 [ 127.351085][ T7977] should_failslab+0x9/0x14 [ 127.355572][ T7977] kmem_cache_alloc+0x47/0x750 [ 127.360317][ T7977] ? __x64_sys_mount+0x169/0x1c0 [ 127.365224][ T7977] ? do_syscall_64+0xd0/0x600 [ 127.369871][ T7977] ? v9fs_session_init+0x1ed/0x14c0 [ 127.375049][ T7977] ? v9fs_mount+0x72/0x7f0 [ 127.379443][ T7977] ? legacy_get_tree+0x103/0x1f0 [ 127.384349][ T7977] ? vfs_get_tree+0x8b/0x2d0 [ 127.388908][ T7977] ? do_mount+0x1270/0x1b60 [ 127.393388][ T7977] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 127.399773][ T7977] ? __kasan_check_read+0x11/0x20 [ 127.404772][ T7977] idr_get_free+0x35d/0x880 [ 127.409261][ T7977] ? __kasan_check_read+0x11/0x20 [ 127.414260][ T7977] idr_alloc_u32+0x13a/0x330 [ 127.418822][ T7977] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 127.424337][ T7977] ? mark_held_locks+0x130/0x130 [ 127.429250][ T7977] ? __kasan_check_write+0x14/0x20 [ 127.434330][ T7977] ? do_raw_spin_lock+0x132/0x2e0 [ 127.439331][ T7977] idr_alloc+0x7d/0xc0 [ 127.443372][ T7977] ? idr_alloc_u32+0x330/0x330 [ 127.450032][ T7977] p9_client_prepare_req.part.5+0x571/0x670 [ 127.455909][ T7977] p9_client_rpc+0x174/0xe50 [ 127.460471][ T7977] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 127.466246][ T7977] ? p9_client_prepare_req.part.5+0x670/0x670 [ 127.472284][ T7977] ? add_wait_queue+0x107/0x160 [ 127.477107][ T7977] ? p9_pollwait+0x182/0x210 [ 127.481670][ T7977] ? pipe_poll+0x80/0x300 [ 127.485974][ T7977] ? p9_fd_poll+0x19b/0x2a0 [ 127.490447][ T7977] ? p9_conn_create+0x399/0x4e0 [ 127.495270][ T7977] ? p9_conn_create+0x4e0/0x4e0 [ 127.500101][ T7977] p9_client_create+0x7ec/0x10e0 [ 127.505193][ T7977] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 127.511229][ T7977] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.516745][ T7977] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.522779][ T7977] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.528558][ T7977] ? __kmalloc_track_caller+0x60e/0x780 [ 127.534072][ T7977] ? __x64_sys_mount+0x169/0x1c0 [ 127.538979][ T7977] ? do_syscall_64+0xd0/0x600 [ 127.543625][ T7977] ? lockdep_init_map+0x1b6/0x6c0 [ 127.548624][ T7977] v9fs_session_init+0x1ed/0x14c0 [ 127.553618][ T7977] ? v9fs_session_init+0x1ed/0x14c0 [ 127.558964][ T7977] ? find_held_lock+0x36/0x1d0 [ 127.563704][ T7977] ? v9fs_show_options+0x6c0/0x6c0 [ 127.568786][ T7977] ? __kasan_check_read+0x11/0x20 [ 127.573781][ T7977] ? v9fs_mount+0x55/0x7f0 [ 127.578170][ T7977] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.583713][ T7977] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.589750][ T7977] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.595538][ T7977] ? kmem_cache_alloc_trace+0x39e/0x780 [ 127.601075][ T7977] ? apparmor_task_alloc+0x2f0/0x2f0 [ 127.606353][ T7977] v9fs_mount+0x72/0x7f0 [ 127.610580][ T7977] ? v9fs_write_inode+0x50/0x50 [ 127.615421][ T7977] legacy_get_tree+0x103/0x1f0 [ 127.620171][ T7977] vfs_get_tree+0x8b/0x2d0 [ 127.624569][ T7977] ? capable+0x14/0x20 [ 127.628621][ T7977] do_mount+0x1270/0x1b60 [ 127.632928][ T7977] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.638449][ T7977] ? copy_mount_string+0x20/0x20 [ 127.643361][ T7977] ? kmem_cache_alloc_trace+0x39e/0x780 [ 127.648884][ T7977] ? __kasan_check_read+0x11/0x20 [ 127.653879][ T7977] ? copy_mount_options+0x77/0x2c0 [ 127.658964][ T7977] __x64_sys_mount+0x169/0x1c0 [ 127.663797][ T7977] do_syscall_64+0xd0/0x600 [ 127.668273][ T7977] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.674135][ T7977] RIP: 0033:0x458da9 [ 127.678005][ T7977] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 127.697581][ T7977] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 127.705966][ T7977] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 127.713909][ T7977] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 127.721855][ T7977] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 127.729800][ T7977] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 127.737754][ T7977] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 127.745904][ T7980] CPU: 0 PID: 7980 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 127.754483][ T7980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 127.754488][ T7980] Call Trace: [ 127.754501][ T7980] dump_stack+0x12d/0x187 [ 127.754511][ T7980] should_fail.cold.4+0x5/0x13 [ 127.754518][ T7980] ? kmem_cache_alloc+0x121/0x750 [ 127.754529][ T7980] ? fault_create_debugfs_attr+0x150/0x150 [ 127.754534][ T7980] ? vfs_get_tree+0x8b/0x2d0 [ 127.754546][ T7980] ? do_mount+0x1270/0x1b60 [ 127.777000][ T7980] ? __x64_sys_mount+0x169/0x1c0 [ 127.777008][ T7980] ? do_syscall_64+0xd0/0x600 [ 127.777014][ T7980] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 127.777027][ T7980] should_fail_alloc_page+0x50/0x60 [ 127.777032][ T7980] __alloc_pages_nodemask+0x17f/0x890 [ 127.777041][ T7980] ? __alloc_pages_slowpath+0x2570/0x2570 [ 127.777055][ T7980] cache_grow_begin+0x92/0xca0 [ 127.777060][ T7980] ? __kmalloc+0xc5/0x790 [ 127.777068][ T7980] ? trace_hardirqs_off+0x41/0x1a0 [ 127.777075][ T7980] __kmalloc+0x6cd/0x790 [ 127.777085][ T7980] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 127.777093][ T7980] p9_fcall_init.isra.2+0x55/0x1c0 [ 127.777101][ T7980] p9_client_prepare_req.part.5+0x96/0x670 [ 127.777111][ T7980] p9_client_rpc+0x174/0xe50 [ 127.777119][ T7980] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 127.777124][ T7980] ? p9_client_prepare_req.part.5+0x670/0x670 [ 127.777131][ T7980] ? add_wait_queue+0x107/0x160 [ 127.777139][ T7980] ? p9_pollwait+0x182/0x210 [ 127.777147][ T7980] ? pipe_poll+0x80/0x300 [ 127.777155][ T7980] ? p9_fd_poll+0x19b/0x2a0 [ 127.777162][ T7980] ? p9_conn_create+0x399/0x4e0 [ 127.777171][ T7980] ? p9_conn_create+0x4e0/0x4e0 [ 127.777185][ T7980] p9_client_create+0x7ec/0x10e0 [ 127.792728][ T7980] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 127.792736][ T7980] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 127.792742][ T7980] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 127.792749][ T7980] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 127.792760][ T7980] ? __kmalloc_track_caller+0x60e/0x780 [ 127.792770][ T7980] ? __x64_sys_mount+0x169/0x1c0 [ 127.802604][ T7980] ? do_syscall_64+0xd0/0x600 [ 127.802610][ T7980] ? lockdep_init_map+0x1b6/0x6c0 [ 127.802626][ T7980] v9fs_session_init+0x1ed/0x14c0 [ 127.802632][ T7980] ? v9fs_session_init+0x1ed/0x14c0 [ 127.802643][ T7980] ? find_held_lock+0x36/0x1d0 [ 127.802653][ T7980] ? v9fs_show_options+0x6c0/0x6c0 [ 127.842351][ T7986] FAULT_INJECTION: forcing a failure. [ 127.842351][ T7986] name failslab, interval 1, probability 0, space 0, times 0 [ 127.844004][ T7980] ? __kasan_check_read+0x11/0x20 [ 127.995874][ T7980] ? v9fs_mount+0x55/0x7f0 [ 128.000275][ T7980] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.005794][ T7980] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.011841][ T7980] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.017625][ T7980] ? kmem_cache_alloc_trace+0x39e/0x780 [ 128.023158][ T7980] ? apparmor_task_alloc+0x2f0/0x2f0 [ 128.028416][ T7980] v9fs_mount+0x72/0x7f0 [ 128.032634][ T7980] ? v9fs_write_inode+0x50/0x50 [ 128.037476][ T7980] legacy_get_tree+0x103/0x1f0 [ 128.042240][ T7980] vfs_get_tree+0x8b/0x2d0 [ 128.046645][ T7980] ? capable+0x14/0x20 [ 128.050701][ T7980] do_mount+0x1270/0x1b60 [ 128.055003][ T7980] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.060525][ T7980] ? copy_mount_string+0x20/0x20 [ 128.065438][ T7980] ? kmem_cache_alloc_trace+0x39e/0x780 [ 128.070962][ T7980] ? __kasan_check_write+0x14/0x20 [ 128.076485][ T7980] ? __kasan_check_read+0x11/0x20 [ 128.081481][ T7980] ? copy_mount_options+0x77/0x2c0 [ 128.086565][ T7980] __x64_sys_mount+0x169/0x1c0 [ 128.091307][ T7980] do_syscall_64+0xd0/0x600 [ 128.095786][ T7980] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.101664][ T7980] RIP: 0033:0x458da9 [ 128.105534][ T7980] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 128.125122][ T7980] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 128.133505][ T7980] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 128.141456][ T7980] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 128.149414][ T7980] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 128.157363][ T7980] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 128.165325][ T7980] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 128.175901][ T7986] CPU: 1 PID: 7986 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 128.184480][ T7986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.195490][ T7986] Call Trace: [ 128.198778][ T7986] dump_stack+0x12d/0x187 [ 128.203107][ T7986] should_fail.cold.4+0x5/0x13 [ 128.207870][ T7986] ? stack_trace_save+0x82/0xb0 [ 128.212759][ T7986] ? fault_create_debugfs_attr+0x150/0x150 [ 128.218553][ T7986] __should_failslab+0xba/0xf0 [ 128.223311][ T7986] should_failslab+0x9/0x14 [ 128.227803][ T7986] kmem_cache_alloc+0x47/0x750 [ 128.230699][ T7991] FAULT_INJECTION: forcing a failure. [ 128.230699][ T7991] name failslab, interval 1, probability 0, space 0, times 0 [ 128.232653][ T7986] ? __x64_sys_mount+0x169/0x1c0 [ 128.232661][ T7986] ? do_syscall_64+0xd0/0x600 [ 128.232668][ T7986] ? v9fs_session_init+0x1ed/0x14c0 [ 128.232675][ T7986] ? v9fs_mount+0x72/0x7f0 [ 128.246441][ T7989] FAULT_INJECTION: forcing a failure. [ 128.246441][ T7989] name failslab, interval 1, probability 0, space 0, times 0 [ 128.250164][ T7986] ? legacy_get_tree+0x103/0x1f0 [ 128.250170][ T7986] ? vfs_get_tree+0x8b/0x2d0 [ 128.250176][ T7986] ? do_mount+0x1270/0x1b60 [ 128.250188][ T7986] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 128.264421][ T7986] ? __kasan_check_read+0x11/0x20 [ 128.264432][ T7986] idr_get_free+0x35d/0x880 [ 128.264442][ T7986] ? __kasan_check_read+0x11/0x20 [ 128.264457][ T7986] idr_alloc_u32+0x13a/0x330 [ 128.264466][ T7986] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 128.264473][ T7986] ? mark_held_locks+0x130/0x130 [ 128.264482][ T7986] ? __kasan_check_write+0x14/0x20 [ 128.283109][ T7993] FAULT_INJECTION: forcing a failure. [ 128.283109][ T7993] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 128.286521][ T7986] ? do_raw_spin_lock+0x132/0x2e0 [ 128.350557][ T7986] idr_alloc+0x7d/0xc0 [ 128.354603][ T7986] ? idr_alloc_u32+0x330/0x330 [ 128.359346][ T7986] p9_client_prepare_req.part.5+0x571/0x670 [ 128.365305][ T7986] p9_client_rpc+0x174/0xe50 [ 128.369879][ T7986] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 128.375668][ T7986] ? p9_client_prepare_req.part.5+0x670/0x670 [ 128.381708][ T7986] ? add_wait_queue+0x107/0x160 [ 128.386880][ T7986] ? p9_pollwait+0x182/0x210 [ 128.391460][ T7986] ? pipe_poll+0x80/0x300 [ 128.395766][ T7986] ? p9_fd_poll+0x19b/0x2a0 [ 128.400244][ T7986] ? p9_conn_create+0x399/0x4e0 [ 128.405069][ T7986] ? p9_conn_create+0x4e0/0x4e0 [ 128.409996][ T7986] p9_client_create+0x7ec/0x10e0 [ 128.415279][ T7986] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 128.421318][ T7986] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.426837][ T7986] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.432880][ T7986] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.438673][ T7986] ? __kmalloc_track_caller+0x60e/0x780 [ 128.444191][ T7986] ? __x64_sys_mount+0x169/0x1c0 [ 128.449116][ T7986] ? do_syscall_64+0xd0/0x600 [ 128.453770][ T7986] ? lockdep_init_map+0x1b6/0x6c0 [ 128.458773][ T7986] v9fs_session_init+0x1ed/0x14c0 [ 128.463767][ T7986] ? v9fs_session_init+0x1ed/0x14c0 [ 128.468953][ T7986] ? find_held_lock+0x36/0x1d0 [ 128.473694][ T7986] ? v9fs_show_options+0x6c0/0x6c0 [ 128.478790][ T7986] ? __kasan_check_read+0x11/0x20 [ 128.483789][ T7986] ? v9fs_mount+0x55/0x7f0 [ 128.488177][ T7986] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.493696][ T7986] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.499908][ T7986] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.505699][ T7986] ? kmem_cache_alloc_trace+0x39e/0x780 [ 128.511230][ T7986] ? apparmor_task_alloc+0x2f0/0x2f0 [ 128.516490][ T7986] v9fs_mount+0x72/0x7f0 [ 128.520708][ T7986] ? v9fs_write_inode+0x50/0x50 [ 128.525531][ T7986] legacy_get_tree+0x103/0x1f0 [ 128.530274][ T7986] vfs_get_tree+0x8b/0x2d0 [ 128.534675][ T7986] ? capable+0x14/0x20 [ 128.539860][ T7986] do_mount+0x1270/0x1b60 [ 128.544175][ T7986] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 128.549608][ T7986] ? copy_mount_string+0x20/0x20 [ 128.554523][ T7986] ? retint_kernel+0x2b/0x2b [ 128.564651][ T7986] ? copy_mount_options+0x17a/0x2c0 [ 128.571735][ T7986] __x64_sys_mount+0x169/0x1c0 [ 128.576473][ T7986] do_syscall_64+0xd0/0x600 [ 128.580951][ T7986] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.586814][ T7986] RIP: 0033:0x458da9 [ 128.590682][ T7986] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 128.610360][ T7986] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 128.618756][ T7986] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 128.632448][ T7986] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 128.640394][ T7986] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 128.648338][ T7986] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 128.656283][ T7986] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 128.664247][ T7993] CPU: 0 PID: 7993 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 128.672961][ T7993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 128.683018][ T7993] Call Trace: [ 128.686304][ T7993] dump_stack+0x12d/0x187 [ 128.690617][ T7993] should_fail.cold.4+0x5/0x13 [ 128.695358][ T7993] ? kmem_cache_alloc+0x121/0x750 [ 128.700360][ T7993] ? fault_create_debugfs_attr+0x150/0x150 [ 128.706139][ T7993] ? vfs_get_tree+0x8b/0x2d0 [ 128.710714][ T7993] ? do_mount+0x1270/0x1b60 [ 128.715189][ T7993] ? __x64_sys_mount+0x169/0x1c0 [ 128.720101][ T7993] ? do_syscall_64+0xd0/0x600 [ 128.724842][ T7993] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 128.731152][ T7993] should_fail_alloc_page+0x50/0x60 [ 128.736330][ T7993] __alloc_pages_nodemask+0x17f/0x890 [ 128.741689][ T7993] ? __alloc_pages_slowpath+0x2570/0x2570 [ 128.747389][ T7993] cache_grow_begin+0x92/0xca0 [ 128.752129][ T7993] ? __kmalloc+0xc5/0x790 [ 128.756437][ T7993] ? trace_hardirqs_off+0x41/0x1a0 [ 128.761617][ T7993] __kmalloc+0x6cd/0x790 [ 128.765836][ T7993] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 128.771104][ T7993] p9_fcall_init.isra.2+0x55/0x1c0 [ 128.776206][ T7993] p9_client_prepare_req.part.5+0x96/0x670 [ 128.781989][ T7993] p9_client_rpc+0x174/0xe50 [ 128.787260][ T7993] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 128.793040][ T7993] ? p9_client_prepare_req.part.5+0x670/0x670 [ 128.799080][ T7993] ? add_wait_queue+0x107/0x160 [ 128.803906][ T7993] ? p9_pollwait+0x182/0x210 [ 128.808471][ T7993] ? pipe_poll+0x80/0x300 [ 128.812789][ T7993] ? p9_fd_poll+0x19b/0x2a0 [ 128.817291][ T7993] ? p9_conn_create+0x399/0x4e0 [ 128.822139][ T7993] ? p9_conn_create+0x4e0/0x4e0 [ 128.827581][ T7993] p9_client_create+0x7ec/0x10e0 [ 128.832511][ T7993] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 128.838566][ T7993] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.844094][ T7993] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.850255][ T7993] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.856145][ T7993] ? __kmalloc_track_caller+0x60e/0x780 [ 128.861668][ T7993] ? __x64_sys_mount+0x169/0x1c0 [ 128.866595][ T7993] ? do_syscall_64+0xd0/0x600 [ 128.871261][ T7993] ? lockdep_init_map+0x1b6/0x6c0 [ 128.877334][ T7993] v9fs_session_init+0x1ed/0x14c0 [ 128.882332][ T7993] ? v9fs_session_init+0x1ed/0x14c0 [ 128.887517][ T7993] ? find_held_lock+0x36/0x1d0 [ 128.893300][ T7993] ? v9fs_show_options+0x6c0/0x6c0 [ 128.898497][ T7993] ? __kasan_check_read+0x11/0x20 [ 128.903541][ T7993] ? v9fs_mount+0x55/0x7f0 [ 128.907960][ T7993] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.913503][ T7993] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 128.921637][ T7993] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 128.927434][ T7993] ? kmem_cache_alloc_trace+0x39e/0x780 [ 128.932957][ T7993] ? apparmor_task_alloc+0x2f0/0x2f0 [ 128.938239][ T7993] v9fs_mount+0x72/0x7f0 [ 128.942461][ T7993] ? v9fs_write_inode+0x50/0x50 [ 128.947286][ T7993] legacy_get_tree+0x103/0x1f0 [ 128.952025][ T7993] vfs_get_tree+0x8b/0x2d0 [ 128.956416][ T7993] ? capable+0x14/0x20 [ 128.960564][ T7993] do_mount+0x1270/0x1b60 [ 128.964867][ T7993] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 128.970392][ T7993] ? copy_mount_string+0x20/0x20 [ 128.976125][ T7993] ? kmem_cache_alloc_trace+0x39e/0x780 [ 128.981680][ T7993] ? __kasan_check_write+0x14/0x20 [ 128.987547][ T7993] ? __kasan_check_read+0x11/0x20 [ 128.992574][ T7993] ? copy_mount_options+0x77/0x2c0 [ 128.997662][ T7993] __x64_sys_mount+0x169/0x1c0 [ 129.002405][ T7993] do_syscall_64+0xd0/0x600 [ 129.007839][ T7993] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 129.013704][ T7993] RIP: 0033:0x458da9 [ 129.017583][ T7993] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 129.037511][ T7993] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.045897][ T7993] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 129.054018][ T7993] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 129.061963][ T7993] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 129.070017][ T7993] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 129.077965][ T7993] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 2019/12/18 21:49:43 executed programs: 181 [ 129.086360][ T7989] CPU: 1 PID: 7989 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 129.094944][ T7989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.104998][ T7989] Call Trace: [ 129.108269][ T7989] dump_stack+0x12d/0x187 [ 129.112577][ T7989] should_fail.cold.4+0x5/0x13 [ 129.117663][ T7989] ? fault_create_debugfs_attr+0x150/0x150 [ 129.123451][ T7989] ? ___might_sleep+0x16b/0x2b0 [ 129.128308][ T7989] __should_failslab+0xba/0xf0 [ 129.133044][ T7989] should_failslab+0x9/0x14 [ 129.137527][ T7989] __kmalloc+0x2eb/0x790 [ 129.141769][ T7989] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 129.147202][ T7989] p9_fcall_init.isra.2+0x55/0x1c0 [ 129.152373][ T7989] p9_client_prepare_req.part.5+0x116/0x670 [ 129.158241][ T7989] p9_client_rpc+0x174/0xe50 [ 129.162807][ T7989] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 129.168594][ T7989] ? p9_client_prepare_req.part.5+0x670/0x670 [ 129.174633][ T7989] ? add_wait_queue+0x107/0x160 [ 129.179753][ T7989] ? p9_pollwait+0x182/0x210 [ 129.184328][ T7989] ? pipe_poll+0x80/0x300 [ 129.188639][ T7989] ? p9_fd_poll+0x19b/0x2a0 [ 129.193137][ T7989] ? p9_conn_create+0x399/0x4e0 [ 129.199005][ T7989] ? p9_conn_create+0x4e0/0x4e0 [ 129.203851][ T7989] p9_client_create+0x7ec/0x10e0 [ 129.208772][ T7989] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 129.214818][ T7989] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.220339][ T7989] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.226377][ T7989] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.232160][ T7989] ? __kmalloc_track_caller+0x60e/0x780 [ 129.237694][ T7989] ? __x64_sys_mount+0x169/0x1c0 [ 129.242876][ T7989] ? do_syscall_64+0xd0/0x600 [ 129.247525][ T7989] ? lockdep_init_map+0x1b6/0x6c0 [ 129.252527][ T7989] v9fs_session_init+0x1ed/0x14c0 [ 129.257551][ T7989] ? v9fs_session_init+0x1ed/0x14c0 [ 129.262737][ T7989] ? find_held_lock+0x36/0x1d0 [ 129.267488][ T7989] ? v9fs_show_options+0x6c0/0x6c0 [ 129.272573][ T7989] ? __kasan_check_read+0x11/0x20 [ 129.277592][ T7989] ? v9fs_mount+0x55/0x7f0 [ 129.282090][ T7989] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.287638][ T7989] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.293692][ T7989] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.299479][ T7989] ? kmem_cache_alloc_trace+0x39e/0x780 [ 129.305000][ T7989] ? apparmor_task_alloc+0x2f0/0x2f0 [ 129.310281][ T7989] v9fs_mount+0x72/0x7f0 [ 129.314515][ T7989] ? v9fs_write_inode+0x50/0x50 [ 129.319342][ T7989] legacy_get_tree+0x103/0x1f0 [ 129.324090][ T7989] vfs_get_tree+0x8b/0x2d0 [ 129.328484][ T7989] ? capable+0x14/0x20 [ 129.332538][ T7989] do_mount+0x1270/0x1b60 [ 129.336875][ T7989] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.342411][ T7989] ? copy_mount_string+0x20/0x20 [ 129.347337][ T7989] ? kmem_cache_alloc_trace+0x39e/0x780 [ 129.352864][ T7989] ? __kasan_check_write+0x14/0x20 [ 129.357952][ T7989] ? __kasan_check_read+0x11/0x20 [ 129.362946][ T7989] ? copy_mount_options+0x77/0x2c0 [ 129.368027][ T7989] __x64_sys_mount+0x169/0x1c0 [ 129.372764][ T7989] do_syscall_64+0xd0/0x600 [ 129.377240][ T7989] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 129.383104][ T7989] RIP: 0033:0x458da9 [ 129.386972][ T7989] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 129.406552][ T7989] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.414944][ T7989] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 129.422890][ T7989] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 129.430833][ T7989] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 129.438781][ T7989] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 129.446734][ T7989] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 129.475202][ T7999] FAULT_INJECTION: forcing a failure. [ 129.475202][ T7999] name failslab, interval 1, probability 0, space 0, times 0 [ 129.477489][ T8001] FAULT_INJECTION: forcing a failure. [ 129.477489][ T8001] name failslab, interval 1, probability 0, space 0, times 0 [ 129.487803][ T7999] CPU: 0 PID: 7999 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 129.508913][ T7999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.518951][ T7999] Call Trace: [ 129.522228][ T7999] dump_stack+0x12d/0x187 [ 129.526545][ T7999] should_fail.cold.4+0x5/0x13 [ 129.531282][ T7999] ? stack_trace_save+0x82/0xb0 [ 129.536104][ T7999] ? fault_create_debugfs_attr+0x150/0x150 [ 129.541977][ T7999] __should_failslab+0xba/0xf0 [ 129.546711][ T7999] should_failslab+0x9/0x14 [ 129.551275][ T7999] kmem_cache_alloc+0x47/0x750 [ 129.556008][ T7999] ? __x64_sys_mount+0x169/0x1c0 [ 129.560917][ T7999] ? do_syscall_64+0xd0/0x600 [ 129.565578][ T7999] ? v9fs_session_init+0x1ed/0x14c0 [ 129.570746][ T7999] ? v9fs_mount+0x72/0x7f0 [ 129.575133][ T7999] ? legacy_get_tree+0x103/0x1f0 [ 129.580039][ T7999] ? vfs_get_tree+0x8b/0x2d0 [ 129.584600][ T7999] ? do_mount+0x1270/0x1b60 [ 129.589078][ T7999] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 129.595895][ T7999] ? __kasan_check_read+0x11/0x20 [ 129.600893][ T7999] idr_get_free+0x35d/0x880 [ 129.605371][ T7999] ? __kasan_check_read+0x11/0x20 [ 129.610371][ T7999] idr_alloc_u32+0x13a/0x330 [ 129.614934][ T7999] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 129.620452][ T7999] ? mark_held_locks+0x130/0x130 [ 129.625373][ T7999] ? __kasan_check_write+0x14/0x20 [ 129.630457][ T7999] ? do_raw_spin_lock+0x132/0x2e0 [ 129.635540][ T7999] idr_alloc+0x7d/0xc0 [ 129.639582][ T7999] ? idr_alloc_u32+0x330/0x330 [ 129.644322][ T7999] p9_client_prepare_req.part.5+0x571/0x670 [ 129.650188][ T7999] p9_client_rpc+0x174/0xe50 [ 129.654752][ T7999] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 129.660526][ T7999] ? p9_client_prepare_req.part.5+0x670/0x670 [ 129.666565][ T7999] ? add_wait_queue+0x107/0x160 [ 129.671409][ T7999] ? p9_pollwait+0x182/0x210 [ 129.675980][ T7999] ? pipe_poll+0x80/0x300 [ 129.680282][ T7999] ? p9_fd_poll+0x19b/0x2a0 [ 129.684766][ T7999] ? p9_conn_create+0x399/0x4e0 [ 129.689687][ T7999] ? p9_conn_create+0x4e0/0x4e0 [ 129.694514][ T7999] p9_client_create+0x7ec/0x10e0 [ 129.699437][ T7999] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 129.705471][ T7999] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.710995][ T7999] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.717034][ T7999] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.722899][ T7999] ? __kmalloc_track_caller+0x60e/0x780 [ 129.728413][ T7999] ? __x64_sys_mount+0x169/0x1c0 [ 129.733844][ T7999] ? do_syscall_64+0xd0/0x600 [ 129.738505][ T7999] ? lockdep_init_map+0x1b6/0x6c0 [ 129.744490][ T7999] v9fs_session_init+0x1ed/0x14c0 [ 129.749492][ T7999] ? v9fs_session_init+0x1ed/0x14c0 [ 129.754667][ T7999] ? find_held_lock+0x36/0x1d0 [ 129.759412][ T7999] ? v9fs_show_options+0x6c0/0x6c0 [ 129.764501][ T7999] ? __kasan_check_read+0x11/0x20 [ 129.769502][ T7999] ? v9fs_mount+0x55/0x7f0 [ 129.773891][ T7999] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.779409][ T7999] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 129.785450][ T7999] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 129.791230][ T7999] ? kmem_cache_alloc_trace+0x39e/0x780 [ 129.796750][ T7999] ? apparmor_task_alloc+0x2f0/0x2f0 [ 129.802006][ T7999] v9fs_mount+0x72/0x7f0 [ 129.806225][ T7999] ? v9fs_write_inode+0x50/0x50 [ 129.811049][ T7999] legacy_get_tree+0x103/0x1f0 [ 129.815789][ T7999] vfs_get_tree+0x8b/0x2d0 [ 129.820185][ T7999] ? capable+0x14/0x20 [ 129.824225][ T7999] do_mount+0x1270/0x1b60 [ 129.828613][ T7999] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 129.834140][ T7999] ? copy_mount_string+0x20/0x20 [ 129.839069][ T7999] ? kmem_cache_alloc_trace+0x39e/0x780 [ 129.845550][ T7999] ? __kasan_check_write+0x14/0x20 [ 129.850647][ T7999] ? _copy_from_user+0xd6/0x110 [ 129.855479][ T7999] ? __kasan_check_read+0x11/0x20 [ 129.860478][ T7999] ? copy_mount_options+0x77/0x2c0 [ 129.865564][ T7999] __x64_sys_mount+0x169/0x1c0 [ 129.870312][ T7999] do_syscall_64+0xd0/0x600 [ 129.874801][ T7999] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 129.880666][ T7999] RIP: 0033:0x458da9 [ 129.884544][ T7999] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 129.904137][ T7999] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 129.912525][ T7999] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 129.920475][ T7999] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 129.928427][ T7999] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 129.936466][ T7999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 129.944411][ T7999] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 129.952633][ T8001] CPU: 1 PID: 8001 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 129.961206][ T8001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 129.961210][ T8001] Call Trace: [ 129.961222][ T8001] dump_stack+0x12d/0x187 [ 129.961232][ T8001] should_fail.cold.4+0x5/0x13 [ 129.961242][ T8001] ? stack_trace_save+0x82/0xb0 [ 129.988476][ T8001] ? fault_create_debugfs_attr+0x150/0x150 [ 129.994283][ T8001] __should_failslab+0xba/0xf0 [ 129.999041][ T8001] should_failslab+0x9/0x14 [ 130.003531][ T8001] kmem_cache_alloc+0x47/0x750 [ 130.003538][ T8001] ? __x64_sys_mount+0x169/0x1c0 [ 130.003544][ T8001] ? do_syscall_64+0xd0/0x600 [ 130.003552][ T8001] ? v9fs_session_init+0x1ed/0x14c0 [ 130.003556][ T8001] ? v9fs_mount+0x72/0x7f0 [ 130.003561][ T8001] ? legacy_get_tree+0x103/0x1f0 [ 130.003567][ T8001] ? vfs_get_tree+0x8b/0x2d0 [ 130.003571][ T8001] ? do_mount+0x1270/0x1b60 [ 130.003580][ T8001] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.003586][ T8001] ? __kasan_check_read+0x11/0x20 [ 130.003594][ T8001] idr_get_free+0x35d/0x880 [ 130.003606][ T8001] ? __kasan_check_read+0x11/0x20 [ 130.003617][ T8001] idr_alloc_u32+0x13a/0x330 [ 130.062315][ T8001] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 130.072403][ T8001] ? mark_held_locks+0x130/0x130 [ 130.077335][ T8001] ? __kasan_check_write+0x14/0x20 [ 130.077342][ T8001] ? do_raw_spin_lock+0x132/0x2e0 [ 130.077353][ T8001] idr_alloc+0x7d/0xc0 [ 130.077359][ T8001] ? idr_alloc_u32+0x330/0x330 [ 130.077373][ T8001] p9_client_prepare_req.part.5+0x571/0x670 [ 130.077384][ T8001] p9_client_rpc+0x174/0xe50 [ 130.077393][ T8001] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 130.077398][ T8001] ? p9_client_prepare_req.part.5+0x670/0x670 [ 130.077405][ T8001] ? add_wait_queue+0x107/0x160 [ 130.077413][ T8001] ? p9_pollwait+0x182/0x210 [ 130.077422][ T8001] ? pipe_poll+0x80/0x300 [ 130.077430][ T8001] ? p9_fd_poll+0x19b/0x2a0 [ 130.077438][ T8001] ? p9_conn_create+0x399/0x4e0 [ 130.077448][ T8001] ? p9_conn_create+0x4e0/0x4e0 [ 130.077459][ T8001] p9_client_create+0x7ec/0x10e0 [ 130.088043][ T8008] FAULT_INJECTION: forcing a failure. [ 130.088043][ T8008] name failslab, interval 1, probability 0, space 0, times 0 [ 130.091624][ T8001] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 130.169864][ T8001] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.175387][ T8001] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.181429][ T8001] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.187213][ T8001] ? __kmalloc_track_caller+0x60e/0x780 [ 130.192731][ T8001] ? __x64_sys_mount+0x169/0x1c0 [ 130.197643][ T8001] ? do_syscall_64+0xd0/0x600 [ 130.202289][ T8001] ? lockdep_init_map+0x1b6/0x6c0 [ 130.207292][ T8001] v9fs_session_init+0x1ed/0x14c0 [ 130.212287][ T8001] ? v9fs_session_init+0x1ed/0x14c0 [ 130.217459][ T8001] ? find_held_lock+0x36/0x1d0 [ 130.222201][ T8001] ? v9fs_show_options+0x6c0/0x6c0 [ 130.227283][ T8001] ? __kasan_check_read+0x11/0x20 [ 130.232281][ T8001] ? v9fs_mount+0x55/0x7f0 [ 130.236670][ T8001] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.242195][ T8001] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.248240][ T8001] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.254022][ T8001] ? kmem_cache_alloc_trace+0x39e/0x780 [ 130.259727][ T8001] ? apparmor_task_alloc+0x2f0/0x2f0 [ 130.264984][ T8001] v9fs_mount+0x72/0x7f0 [ 130.269199][ T8001] ? v9fs_write_inode+0x50/0x50 [ 130.274382][ T8001] legacy_get_tree+0x103/0x1f0 [ 130.279228][ T8001] vfs_get_tree+0x8b/0x2d0 [ 130.284050][ T8001] ? capable+0x14/0x20 [ 130.288093][ T8001] do_mount+0x1270/0x1b60 [ 130.292396][ T8001] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.297919][ T8001] ? copy_mount_string+0x20/0x20 [ 130.302955][ T8001] ? kmem_cache_alloc_trace+0x39e/0x780 [ 130.308494][ T8001] ? __kasan_check_write+0x14/0x20 [ 130.314801][ T8001] ? __kasan_check_read+0x11/0x20 [ 130.319816][ T8001] ? copy_mount_options+0x77/0x2c0 [ 130.325774][ T8001] __x64_sys_mount+0x169/0x1c0 [ 130.330522][ T8001] do_syscall_64+0xd0/0x600 [ 130.335548][ T8001] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.341517][ T8001] RIP: 0033:0x458da9 [ 130.345492][ T8001] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 130.365099][ T8001] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.373502][ T8001] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 130.381466][ T8001] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 130.389418][ T8001] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 130.397365][ T8001] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 130.405492][ T8001] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 130.413548][ T8008] CPU: 0 PID: 8008 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 130.422131][ T8008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.432200][ T8008] Call Trace: [ 130.435470][ T8008] dump_stack+0x12d/0x187 [ 130.439793][ T8008] should_fail.cold.4+0x5/0x13 [ 130.444544][ T8008] ? fault_create_debugfs_attr+0x150/0x150 [ 130.450336][ T8008] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.456896][ T8008] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.462417][ T8008] __should_failslab+0xba/0xf0 [ 130.467155][ T8008] should_failslab+0x9/0x14 [ 130.471630][ T8008] kmem_cache_alloc+0x47/0x750 [ 130.476452][ T8008] ? __x64_sys_mount+0x169/0x1c0 [ 130.481364][ T8008] ? do_syscall_64+0xd0/0x600 [ 130.486017][ T8008] ? v9fs_session_init+0x1ed/0x14c0 [ 130.491199][ T8008] ? v9fs_mount+0x72/0x7f0 [ 130.496121][ T8008] ? legacy_get_tree+0x103/0x1f0 [ 130.501030][ T8008] ? vfs_get_tree+0x8b/0x2d0 [ 130.505596][ T8008] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 130.511985][ T8008] idr_get_free+0x35d/0x880 [ 130.516478][ T8008] idr_alloc_u32+0x13a/0x330 [ 130.521045][ T8008] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 130.526584][ T8008] ? mark_held_locks+0x130/0x130 [ 130.531501][ T8008] ? __kasan_check_write+0x14/0x20 [ 130.536598][ T8008] ? do_raw_spin_lock+0x132/0x2e0 [ 130.541605][ T8008] idr_alloc+0x7d/0xc0 [ 130.545649][ T8008] ? idr_alloc_u32+0x330/0x330 [ 130.550396][ T8008] p9_client_prepare_req.part.5+0x571/0x670 [ 130.556270][ T8008] p9_client_rpc+0x174/0xe50 [ 130.560852][ T8008] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 130.585395][ T8008] ? p9_client_prepare_req.part.5+0x670/0x670 [ 130.609149][ T8008] ? add_wait_queue+0x107/0x160 [ 130.613978][ T8008] ? p9_pollwait+0x182/0x210 [ 130.618550][ T8008] ? pipe_poll+0x80/0x300 [ 130.622862][ T8008] ? p9_fd_poll+0x19b/0x2a0 [ 130.627372][ T8008] ? p9_conn_create+0x399/0x4e0 [ 130.632215][ T8008] ? p9_conn_create+0x4e0/0x4e0 [ 130.639737][ T8008] p9_client_create+0x7ec/0x10e0 [ 130.644652][ T8008] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 130.656336][ T8008] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.661859][ T8008] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.667930][ T8008] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.673712][ T8008] ? __kmalloc_track_caller+0x60e/0x780 [ 130.679231][ T8008] ? __x64_sys_mount+0x169/0x1c0 [ 130.684140][ T8008] ? do_syscall_64+0xd0/0x600 [ 130.688876][ T8008] ? lockdep_init_map+0x1b6/0x6c0 [ 130.693983][ T8008] v9fs_session_init+0x1ed/0x14c0 [ 130.698982][ T8008] ? v9fs_session_init+0x1ed/0x14c0 [ 130.704159][ T8008] ? find_held_lock+0x36/0x1d0 [ 130.708900][ T8008] ? v9fs_show_options+0x6c0/0x6c0 [ 130.713999][ T8008] ? __kasan_check_read+0x11/0x20 [ 130.719012][ T8008] ? v9fs_mount+0x55/0x7f0 [ 130.723404][ T8008] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.728922][ T8008] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 130.734961][ T8008] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 130.740917][ T8008] ? kmem_cache_alloc_trace+0x39e/0x780 [ 130.746450][ T8008] ? apparmor_task_alloc+0x2f0/0x2f0 [ 130.751708][ T8008] v9fs_mount+0x72/0x7f0 [ 130.755925][ T8008] ? v9fs_write_inode+0x50/0x50 [ 130.760753][ T8008] legacy_get_tree+0x103/0x1f0 [ 130.765493][ T8008] vfs_get_tree+0x8b/0x2d0 [ 130.769885][ T8008] ? capable+0x14/0x20 [ 130.773931][ T8008] do_mount+0x1270/0x1b60 [ 130.778254][ T8008] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 130.783797][ T8008] ? copy_mount_string+0x20/0x20 [ 130.789065][ T8008] ? kmem_cache_alloc_trace+0x39e/0x780 [ 130.794585][ T8008] ? __kasan_check_write+0x14/0x20 [ 130.799685][ T8008] ? _copy_from_user+0xd6/0x110 [ 130.804512][ T8008] ? __kasan_check_read+0x11/0x20 [ 130.809526][ T8008] ? copy_mount_options+0x77/0x2c0 [ 130.815419][ T8008] __x64_sys_mount+0x169/0x1c0 [ 130.820184][ T8008] do_syscall_64+0xd0/0x600 [ 130.824684][ T8008] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 130.830557][ T8008] RIP: 0033:0x458da9 [ 130.834431][ 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 [ 130.854036][ T8008] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 130.862448][ T8008] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 130.870402][ T8008] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 130.878372][ T8008] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 130.886319][ T8008] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 130.894541][ T8008] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 130.902535][ T7991] CPU: 1 PID: 7991 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 130.911205][ T7991] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 130.921698][ T7991] Call Trace: [ 130.921710][ T7991] dump_stack+0x12d/0x187 [ 130.921721][ T7991] should_fail.cold.4+0x5/0x13 [ 130.921729][ T7991] ? fault_create_debugfs_attr+0x150/0x150 [ 130.921739][ T7991] ? ___might_sleep+0x16b/0x2b0 [ 130.921749][ T7991] __should_failslab+0xba/0xf0 [ 130.921757][ T7991] should_failslab+0x9/0x14 [ 130.921762][ T7991] __kmalloc+0x2eb/0x790 [ 130.921771][ T7991] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 130.921779][ T7991] p9_fcall_init.isra.2+0x55/0x1c0 [ 130.921786][ T7991] p9_client_prepare_req.part.5+0x116/0x670 [ 130.921796][ T7991] p9_client_rpc+0x174/0xe50 [ 130.928015][ T8011] FAULT_INJECTION: forcing a failure. [ 130.928015][ T8011] name failslab, interval 1, probability 0, space 0, times 0 [ 130.929379][ T7991] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 130.998506][ T7991] ? p9_client_prepare_req.part.5+0x670/0x670 [ 131.004563][ T7991] ? add_wait_queue+0x107/0x160 [ 131.009390][ T7991] ? p9_pollwait+0x182/0x210 [ 131.013956][ T7991] ? pipe_poll+0x80/0x300 [ 131.018276][ T7991] ? p9_fd_poll+0x19b/0x2a0 [ 131.022773][ T7991] ? p9_conn_create+0x399/0x4e0 [ 131.027603][ T7991] ? p9_conn_create+0x4e0/0x4e0 [ 131.032431][ T7991] p9_client_create+0x7ec/0x10e0 [ 131.037366][ T7991] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 131.043445][ T7991] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.049015][ T7991] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.055072][ T7991] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.060947][ T7991] ? __kmalloc_track_caller+0x60e/0x780 [ 131.067465][ T7991] ? __x64_sys_mount+0x169/0x1c0 [ 131.072393][ T7991] ? do_syscall_64+0xd0/0x600 [ 131.077043][ T7991] ? lockdep_init_map+0x1b6/0x6c0 [ 131.082061][ T7991] v9fs_session_init+0x1ed/0x14c0 [ 131.087580][ T7991] ? v9fs_session_init+0x1ed/0x14c0 [ 131.092751][ T7991] ? find_held_lock+0x36/0x1d0 [ 131.097490][ T7991] ? v9fs_show_options+0x6c0/0x6c0 [ 131.102571][ T7991] ? __kasan_check_read+0x11/0x20 [ 131.107575][ T7991] ? v9fs_mount+0x55/0x7f0 [ 131.112141][ T7991] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.118532][ T7991] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.124570][ T7991] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.130352][ T7991] ? kmem_cache_alloc_trace+0x39e/0x780 [ 131.135874][ T7991] ? apparmor_task_alloc+0x2f0/0x2f0 [ 131.141138][ T7991] v9fs_mount+0x72/0x7f0 [ 131.145356][ T7991] ? v9fs_write_inode+0x50/0x50 [ 131.150190][ T7991] legacy_get_tree+0x103/0x1f0 [ 131.155923][ T7991] vfs_get_tree+0x8b/0x2d0 [ 131.160329][ T7991] ? capable+0x14/0x20 [ 131.164378][ T7991] do_mount+0x1270/0x1b60 [ 131.168685][ T7991] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.174207][ T7991] ? copy_mount_string+0x20/0x20 [ 131.179128][ T7991] ? kmem_cache_alloc_trace+0x39e/0x780 [ 131.184647][ T7991] ? __kasan_check_write+0x14/0x20 [ 131.189734][ T7991] ? __kasan_check_read+0x11/0x20 [ 131.194750][ T7991] ? copy_mount_options+0x77/0x2c0 [ 131.199842][ T7991] __x64_sys_mount+0x169/0x1c0 [ 131.204588][ T7991] do_syscall_64+0xd0/0x600 [ 131.209077][ T7991] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 131.214947][ T7991] RIP: 0033:0x458da9 [ 131.218820][ T7991] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 131.239267][ T7991] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 131.247653][ T7991] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 131.255600][ T7991] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 131.263740][ T7991] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 131.271687][ T7991] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 131.279743][ T7991] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 131.287718][ T8011] CPU: 0 PID: 8011 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 131.296334][ T8011] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.306644][ T8011] Call Trace: [ 131.309937][ T8011] dump_stack+0x12d/0x187 [ 131.314263][ T8011] should_fail.cold.4+0x5/0x13 [ 131.319023][ T8011] ? stack_trace_save+0x82/0xb0 [ 131.323869][ T8011] ? fault_create_debugfs_attr+0x150/0x150 [ 131.329682][ T8011] __should_failslab+0xba/0xf0 [ 131.334439][ T8011] should_failslab+0x9/0x14 [ 131.339132][ T8011] kmem_cache_alloc+0x47/0x750 [ 131.343882][ T8011] ? __x64_sys_mount+0x169/0x1c0 [ 131.348799][ T8011] ? do_syscall_64+0xd0/0x600 [ 131.353463][ T8011] ? v9fs_session_init+0x1ed/0x14c0 [ 131.358640][ T8011] ? v9fs_mount+0x72/0x7f0 [ 131.363040][ T8011] ? legacy_get_tree+0x103/0x1f0 [ 131.367957][ T8011] ? vfs_get_tree+0x8b/0x2d0 [ 131.372525][ T8011] ? do_mount+0x1270/0x1b60 [ 131.377012][ T8011] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 131.383501][ T8011] ? __kasan_check_read+0x11/0x20 [ 131.388508][ T8011] idr_get_free+0x35d/0x880 [ 131.392996][ T8011] ? __kasan_check_read+0x11/0x20 [ 131.398005][ T8011] idr_alloc_u32+0x13a/0x330 [ 131.402579][ T8011] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 131.408110][ T8011] ? mark_held_locks+0x130/0x130 [ 131.413034][ T8011] ? __kasan_check_write+0x14/0x20 [ 131.418224][ T8011] ? do_raw_spin_lock+0x132/0x2e0 [ 131.423244][ T8011] idr_alloc+0x7d/0xc0 [ 131.427315][ T8011] ? idr_alloc_u32+0x330/0x330 [ 131.432172][ T8011] p9_client_prepare_req.part.5+0x571/0x670 [ 131.440924][ T8011] p9_client_rpc+0x174/0xe50 [ 131.445503][ T8011] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 131.451296][ T8011] ? p9_client_prepare_req.part.5+0x670/0x670 [ 131.457341][ T8011] ? add_wait_queue+0x107/0x160 [ 131.462175][ T8011] ? p9_pollwait+0x182/0x210 [ 131.466748][ T8011] ? pipe_poll+0x80/0x300 [ 131.471084][ T8011] ? p9_fd_poll+0x19b/0x2a0 [ 131.475569][ T8011] ? p9_conn_create+0x399/0x4e0 [ 131.480402][ T8011] ? p9_conn_create+0x4e0/0x4e0 [ 131.485241][ T8011] p9_client_create+0x7ec/0x10e0 [ 131.490179][ T8011] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 131.496234][ T8011] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.501760][ T8011] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.507808][ T8011] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.513597][ T8011] ? __kmalloc_track_caller+0x60e/0x780 [ 131.519134][ T8011] ? __x64_sys_mount+0x169/0x1c0 [ 131.524052][ T8011] ? do_syscall_64+0xd0/0x600 [ 131.528710][ T8011] ? lockdep_init_map+0x1b6/0x6c0 [ 131.533721][ T8011] v9fs_session_init+0x1ed/0x14c0 [ 131.538724][ T8011] ? v9fs_session_init+0x1ed/0x14c0 [ 131.543908][ T8011] ? find_held_lock+0x36/0x1d0 [ 131.548674][ T8011] ? v9fs_show_options+0x6c0/0x6c0 [ 131.553763][ T8011] ? __kasan_check_read+0x11/0x20 [ 131.558770][ T8011] ? v9fs_mount+0x55/0x7f0 [ 131.563171][ T8011] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.568697][ T8011] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.574743][ T8011] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.580536][ T8011] ? kmem_cache_alloc_trace+0x39e/0x780 [ 131.586065][ T8011] ? apparmor_task_alloc+0x2f0/0x2f0 [ 131.591336][ T8011] v9fs_mount+0x72/0x7f0 [ 131.595562][ T8011] ? v9fs_write_inode+0x50/0x50 [ 131.600394][ T8011] legacy_get_tree+0x103/0x1f0 [ 131.605139][ T8011] vfs_get_tree+0x8b/0x2d0 [ 131.609534][ T8011] ? capable+0x14/0x20 [ 131.613589][ T8011] do_mount+0x1270/0x1b60 [ 131.617900][ T8011] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.623428][ T8011] ? copy_mount_string+0x20/0x20 [ 131.628350][ T8011] ? kmem_cache_alloc_trace+0x39e/0x780 [ 131.633875][ T8011] ? __kasan_check_write+0x14/0x20 [ 131.638968][ T8011] ? __kasan_check_read+0x11/0x20 [ 131.643971][ T8011] ? copy_mount_options+0x77/0x2c0 [ 131.649063][ T8011] __x64_sys_mount+0x169/0x1c0 [ 131.653813][ T8011] do_syscall_64+0xd0/0x600 [ 131.658305][ T8011] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 131.664178][ T8011] RIP: 0033:0x458da9 [ 131.668229][ T8011] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 131.687819][ T8011] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 131.696217][ T8011] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 131.704171][ T8011] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 131.712299][ T8011] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 131.720256][ T8011] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 131.728210][ T8011] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 131.752421][ T8018] FAULT_INJECTION: forcing a failure. [ 131.752421][ T8018] name failslab, interval 1, probability 0, space 0, times 0 [ 131.765028][ T8018] CPU: 1 PID: 8018 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 131.765033][ T8018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 131.765036][ T8018] Call Trace: [ 131.765048][ T8018] dump_stack+0x12d/0x187 [ 131.765059][ T8018] should_fail.cold.4+0x5/0x13 [ 131.765066][ T8018] ? fault_create_debugfs_attr+0x150/0x150 [ 131.765074][ T8018] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 131.765080][ T8018] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.765091][ T8018] __should_failslab+0xba/0xf0 [ 131.765098][ T8018] should_failslab+0x9/0x14 [ 131.765106][ T8018] kmem_cache_alloc+0x47/0x750 [ 131.775717][ T8021] FAULT_INJECTION: forcing a failure. [ 131.775717][ T8021] name failslab, interval 1, probability 0, space 0, times 0 [ 131.783732][ T8018] ? __x64_sys_mount+0x169/0x1c0 [ 131.845249][ T8018] ? do_syscall_64+0xd0/0x600 [ 131.849903][ T8018] ? v9fs_session_init+0x1ed/0x14c0 [ 131.855160][ T8018] ? v9fs_mount+0x72/0x7f0 [ 131.859547][ T8018] ? legacy_get_tree+0x103/0x1f0 [ 131.864457][ T8018] ? vfs_get_tree+0x8b/0x2d0 [ 131.869035][ T8018] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 131.875813][ T8018] idr_get_free+0x35d/0x880 [ 131.880306][ T8018] idr_alloc_u32+0x13a/0x330 [ 131.884895][ T8018] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 131.890423][ T8018] ? mark_held_locks+0x130/0x130 [ 131.895345][ T8018] ? __kasan_check_write+0x14/0x20 [ 131.900457][ T8018] ? do_raw_spin_lock+0x132/0x2e0 [ 131.905462][ T8018] idr_alloc+0x7d/0xc0 [ 131.909696][ T8018] ? idr_alloc_u32+0x330/0x330 [ 131.914457][ T8018] p9_client_prepare_req.part.5+0x571/0x670 [ 131.920328][ T8018] p9_client_rpc+0x174/0xe50 [ 131.924902][ T8018] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 131.930685][ T8018] ? p9_client_prepare_req.part.5+0x670/0x670 [ 131.936733][ T8018] ? add_wait_queue+0x107/0x160 [ 131.941556][ T8018] ? p9_pollwait+0x182/0x210 [ 131.946119][ T8018] ? pipe_poll+0x80/0x300 [ 131.950420][ T8018] ? p9_fd_poll+0x19b/0x2a0 [ 131.954907][ T8018] ? p9_conn_create+0x399/0x4e0 [ 131.959734][ T8018] ? p9_conn_create+0x4e0/0x4e0 [ 131.964559][ T8018] p9_client_create+0x7ec/0x10e0 [ 131.969473][ T8018] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 131.975608][ T8018] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 131.981122][ T8018] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 131.987159][ T8018] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 131.992941][ T8018] ? __kmalloc_track_caller+0x60e/0x780 [ 131.998460][ T8018] ? __x64_sys_mount+0x169/0x1c0 [ 132.003371][ T8018] ? do_syscall_64+0xd0/0x600 [ 132.008017][ T8018] ? lockdep_init_map+0x1b6/0x6c0 [ 132.013040][ T8018] v9fs_session_init+0x1ed/0x14c0 [ 132.018065][ T8018] ? v9fs_session_init+0x1ed/0x14c0 [ 132.023280][ T8018] ? find_held_lock+0x36/0x1d0 [ 132.028049][ T8018] ? v9fs_show_options+0x6c0/0x6c0 [ 132.033151][ T8018] ? __kasan_check_read+0x11/0x20 [ 132.038157][ T8018] ? v9fs_mount+0x55/0x7f0 [ 132.042551][ T8018] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.048069][ T8018] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.054108][ T8018] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.059887][ T8018] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.065403][ T8018] ? apparmor_task_alloc+0x2f0/0x2f0 [ 132.070662][ T8018] v9fs_mount+0x72/0x7f0 [ 132.074878][ T8018] ? v9fs_write_inode+0x50/0x50 [ 132.079702][ T8018] legacy_get_tree+0x103/0x1f0 [ 132.084441][ T8018] vfs_get_tree+0x8b/0x2d0 [ 132.088839][ T8018] ? capable+0x14/0x20 [ 132.092883][ T8018] do_mount+0x1270/0x1b60 [ 132.097182][ T8018] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.102702][ T8018] ? copy_mount_string+0x20/0x20 [ 132.107732][ T8018] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.113270][ T8018] ? __kasan_check_write+0x14/0x20 [ 132.118357][ T8018] ? _copy_from_user+0xd6/0x110 [ 132.123182][ T8018] ? __kasan_check_read+0x11/0x20 [ 132.128194][ T8018] ? copy_mount_options+0x77/0x2c0 [ 132.133287][ T8018] __x64_sys_mount+0x169/0x1c0 [ 132.138029][ T8018] do_syscall_64+0xd0/0x600 [ 132.142510][ T8018] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.148377][ T8018] RIP: 0033:0x458da9 [ 132.152346][ T8018] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 132.171939][ T8018] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 132.180351][ T8018] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 132.188294][ T8018] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 132.196758][ T8018] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 132.204703][ T8018] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 132.212653][ T8018] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 132.220616][ T8021] CPU: 0 PID: 8021 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 132.227381][ T8020] FAULT_INJECTION: forcing a failure. [ 132.227381][ T8020] name failslab, interval 1, probability 0, space 0, times 0 [ 132.229188][ T8021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.229192][ T8021] Call Trace: [ 132.229204][ T8021] dump_stack+0x12d/0x187 [ 132.229215][ T8021] should_fail.cold.4+0x5/0x13 [ 132.229228][ T8021] ? stack_trace_save+0x82/0xb0 [ 132.268947][ T8021] ? fault_create_debugfs_attr+0x150/0x150 [ 132.274747][ T8021] __should_failslab+0xba/0xf0 [ 132.279496][ T8021] should_failslab+0x9/0x14 [ 132.283972][ T8021] kmem_cache_alloc+0x47/0x750 [ 132.288706][ T8021] ? __x64_sys_mount+0x169/0x1c0 [ 132.293615][ T8021] ? do_syscall_64+0xd0/0x600 [ 132.298273][ T8021] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 132.304658][ T8021] ? __kasan_check_read+0x11/0x20 [ 132.309661][ T8021] idr_get_free+0x35d/0x880 [ 132.314150][ T8021] ? __kasan_check_read+0x11/0x20 [ 132.319160][ T8021] idr_alloc_u32+0x13a/0x330 [ 132.323742][ T8021] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 132.329262][ T8021] ? mark_held_locks+0x130/0x130 [ 132.335144][ T8021] ? __kasan_check_write+0x14/0x20 [ 132.340234][ T8021] ? do_raw_spin_lock+0x132/0x2e0 [ 132.345239][ T8021] idr_alloc+0x7d/0xc0 [ 132.349289][ T8021] ? idr_alloc_u32+0x330/0x330 [ 132.354030][ T8021] p9_client_prepare_req.part.5+0x571/0x670 [ 132.359901][ T8021] p9_client_rpc+0x174/0xe50 [ 132.364471][ T8021] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 132.370246][ T8021] ? p9_client_prepare_req.part.5+0x670/0x670 [ 132.376287][ T8021] ? add_wait_queue+0x107/0x160 [ 132.381115][ T8021] ? p9_pollwait+0x182/0x210 [ 132.385682][ T8021] ? pipe_poll+0x80/0x300 [ 132.389986][ T8021] ? p9_fd_poll+0x19b/0x2a0 [ 132.394462][ T8021] ? p9_conn_create+0x399/0x4e0 [ 132.399286][ T8021] ? p9_conn_create+0x4e0/0x4e0 [ 132.404113][ T8021] p9_client_create+0x7ec/0x10e0 [ 132.409029][ T8021] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 132.416503][ T8021] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.422021][ T8021] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.428060][ T8021] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.434452][ T8021] ? __kmalloc_track_caller+0x60e/0x780 [ 132.439971][ T8021] ? __x64_sys_mount+0x169/0x1c0 [ 132.444883][ T8021] ? do_syscall_64+0xd0/0x600 [ 132.449537][ T8021] ? lockdep_init_map+0x1b6/0x6c0 [ 132.454550][ T8021] v9fs_session_init+0x1ed/0x14c0 [ 132.459546][ T8021] ? v9fs_session_init+0x1ed/0x14c0 [ 132.464718][ T8021] ? find_held_lock+0x36/0x1d0 [ 132.469463][ T8021] ? v9fs_show_options+0x6c0/0x6c0 [ 132.474566][ T8021] ? __kasan_check_read+0x11/0x20 [ 132.479564][ T8021] ? v9fs_mount+0x55/0x7f0 [ 132.483965][ T8021] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.489497][ T8021] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.495556][ T8021] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.501346][ T8021] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.506870][ T8021] ? apparmor_task_alloc+0x2f0/0x2f0 [ 132.512135][ T8021] v9fs_mount+0x72/0x7f0 [ 132.516366][ T8021] ? v9fs_write_inode+0x50/0x50 [ 132.521190][ T8021] legacy_get_tree+0x103/0x1f0 [ 132.525936][ T8021] vfs_get_tree+0x8b/0x2d0 [ 132.530322][ T8021] ? capable+0x14/0x20 [ 132.534367][ T8021] do_mount+0x1270/0x1b60 [ 132.538673][ T8021] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.544207][ T8021] ? copy_mount_string+0x20/0x20 [ 132.549121][ T8021] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.554640][ T8021] ? __kasan_check_write+0x14/0x20 [ 132.559723][ T8021] ? _copy_from_user+0xd6/0x110 [ 132.564559][ T8021] ? __kasan_check_read+0x11/0x20 [ 132.569553][ T8021] ? copy_mount_options+0x77/0x2c0 [ 132.574637][ T8021] __x64_sys_mount+0x169/0x1c0 [ 132.579380][ T8021] do_syscall_64+0xd0/0x600 [ 132.583856][ T8021] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.589720][ T8021] RIP: 0033:0x458da9 [ 132.593595][ T8021] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 132.613171][ T8021] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 132.622249][ T8021] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 132.630195][ T8021] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 132.638334][ T8021] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 132.646297][ T8021] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 132.654244][ T8021] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 132.662203][ T8020] CPU: 1 PID: 8020 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 132.666718][ T8023] FAULT_INJECTION: forcing a failure. [ 132.666718][ T8023] name failslab, interval 1, probability 0, space 0, times 0 [ 132.671039][ T8020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 132.671043][ T8020] Call Trace: [ 132.671056][ T8020] dump_stack+0x12d/0x187 [ 132.671070][ T8020] should_fail.cold.4+0x5/0x13 [ 132.693664][ T8020] ? fault_create_debugfs_attr+0x150/0x150 [ 132.693673][ T8020] ? ___might_sleep+0x16b/0x2b0 [ 132.693682][ T8020] __should_failslab+0xba/0xf0 [ 132.693690][ T8020] should_failslab+0x9/0x14 [ 132.693696][ T8020] kmem_cache_alloc+0x2ba/0x750 [ 132.693701][ T8020] ? __kmalloc+0x61d/0x790 [ 132.693712][ T8020] __radix_tree_preload+0xc1/0x230 [ 132.693721][ T8020] idr_preload+0xe/0x20 [ 132.693727][ T8020] p9_client_prepare_req.part.5+0x216/0x670 [ 132.693737][ T8020] p9_client_rpc+0x174/0xe50 [ 132.709424][ T8020] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 132.724785][ T8020] ? p9_client_prepare_req.part.5+0x670/0x670 [ 132.724793][ T8020] ? add_wait_queue+0x107/0x160 [ 132.724801][ T8020] ? p9_pollwait+0x182/0x210 [ 132.724809][ T8020] ? pipe_poll+0x80/0x300 [ 132.724817][ T8020] ? p9_fd_poll+0x19b/0x2a0 [ 132.724823][ T8020] ? p9_conn_create+0x399/0x4e0 [ 132.724831][ T8020] ? p9_conn_create+0x4e0/0x4e0 [ 132.724844][ T8020] p9_client_create+0x7ec/0x10e0 [ 132.734184][ T8020] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 132.734191][ T8020] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.734196][ T8020] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.734203][ T8020] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.734215][ T8020] ? __kmalloc_track_caller+0x60e/0x780 [ 132.758894][ T8020] ? __x64_sys_mount+0x169/0x1c0 [ 132.775533][ T8020] ? do_syscall_64+0xd0/0x600 [ 132.775538][ T8020] ? lockdep_init_map+0x1b6/0x6c0 [ 132.775553][ T8020] v9fs_session_init+0x1ed/0x14c0 [ 132.775558][ T8020] ? v9fs_session_init+0x1ed/0x14c0 [ 132.775567][ T8020] ? find_held_lock+0x36/0x1d0 [ 132.775579][ T8020] ? v9fs_show_options+0x6c0/0x6c0 [ 132.793835][ T8020] ? __kasan_check_read+0x11/0x20 [ 132.793844][ T8020] ? v9fs_mount+0x55/0x7f0 [ 132.793851][ T8020] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.793856][ T8020] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 132.793861][ T8020] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 132.793872][ T8020] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.809662][ T8020] ? apparmor_task_alloc+0x2f0/0x2f0 [ 132.827018][ T8020] v9fs_mount+0x72/0x7f0 [ 132.827027][ T8020] ? v9fs_write_inode+0x50/0x50 [ 132.827034][ T8020] legacy_get_tree+0x103/0x1f0 [ 132.827043][ T8020] vfs_get_tree+0x8b/0x2d0 [ 132.827048][ T8020] ? capable+0x14/0x20 [ 132.827058][ T8020] do_mount+0x1270/0x1b60 [ 132.847216][ T8020] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 132.847225][ T8020] ? copy_mount_string+0x20/0x20 [ 132.847235][ T8020] ? kmem_cache_alloc_trace+0x39e/0x780 [ 132.847242][ T8020] ? __kasan_check_write+0x14/0x20 [ 132.955570][ T8020] ? _copy_from_user+0xd6/0x110 [ 132.960403][ T8020] ? __kasan_check_read+0x11/0x20 [ 132.965415][ T8020] ? copy_mount_options+0x77/0x2c0 [ 132.970522][ T8020] __x64_sys_mount+0x169/0x1c0 [ 132.975285][ T8020] do_syscall_64+0xd0/0x600 [ 132.979784][ T8020] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 132.985748][ T8020] RIP: 0033:0x458da9 [ 132.989633][ 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 [ 133.010129][ T8020] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 133.018556][ T8020] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 133.026508][ T8020] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 133.034471][ T8020] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 133.042421][ T8020] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 133.050370][ T8020] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 133.058334][ T8023] CPU: 0 PID: 8023 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 133.066916][ T8023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.076964][ T8023] Call Trace: [ 133.080326][ T8023] dump_stack+0x12d/0x187 [ 133.084662][ T8023] should_fail.cold.4+0x5/0x13 [ 133.089509][ T8023] ? fault_create_debugfs_attr+0x150/0x150 [ 133.092516][ T8035] FAULT_INJECTION: forcing a failure. [ 133.092516][ T8035] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 133.095307][ T8023] ? ___might_sleep+0x16b/0x2b0 [ 133.113827][ T8023] __should_failslab+0xba/0xf0 [ 133.118581][ T8023] should_failslab+0x9/0x14 [ 133.123061][ T8023] __kmalloc+0x2eb/0x790 [ 133.127282][ T8023] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 133.132541][ T8023] p9_fcall_init.isra.2+0x55/0x1c0 [ 133.137629][ T8023] p9_client_prepare_req.part.5+0x116/0x670 [ 133.143497][ T8023] p9_client_rpc+0x174/0xe50 [ 133.148081][ T8023] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 133.153872][ T8023] ? p9_client_prepare_req.part.5+0x670/0x670 [ 133.159913][ T8023] ? add_wait_queue+0x107/0x160 [ 133.164739][ T8023] ? p9_pollwait+0x182/0x210 [ 133.169324][ T8023] ? pipe_poll+0x80/0x300 [ 133.173669][ T8023] ? p9_fd_poll+0x19b/0x2a0 [ 133.178152][ T8023] ? p9_conn_create+0x399/0x4e0 [ 133.183006][ T8023] ? p9_conn_create+0x4e0/0x4e0 [ 133.187842][ T8023] p9_client_create+0x7ec/0x10e0 [ 133.192763][ T8023] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 133.199067][ T8023] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.204584][ T8023] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.210625][ T8023] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.216411][ T8023] ? __kmalloc_track_caller+0x60e/0x780 [ 133.221931][ T8023] ? __x64_sys_mount+0x169/0x1c0 [ 133.226841][ T8023] ? do_syscall_64+0xd0/0x600 [ 133.231487][ T8023] ? lockdep_init_map+0x1b6/0x6c0 [ 133.236618][ T8023] v9fs_session_init+0x1ed/0x14c0 [ 133.241637][ T8023] ? v9fs_session_init+0x1ed/0x14c0 [ 133.246827][ T8023] ? find_held_lock+0x36/0x1d0 [ 133.251570][ T8023] ? v9fs_show_options+0x6c0/0x6c0 [ 133.256662][ T8023] ? __kasan_check_read+0x11/0x20 [ 133.261661][ T8023] ? v9fs_mount+0x55/0x7f0 [ 133.266062][ T8023] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.271668][ T8023] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.277707][ T8023] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.283578][ T8023] ? kmem_cache_alloc_trace+0x39e/0x780 [ 133.289357][ T8023] ? apparmor_task_alloc+0x2f0/0x2f0 [ 133.294615][ T8023] v9fs_mount+0x72/0x7f0 [ 133.298850][ T8023] ? v9fs_write_inode+0x50/0x50 [ 133.303673][ T8023] legacy_get_tree+0x103/0x1f0 [ 133.308409][ T8023] vfs_get_tree+0x8b/0x2d0 [ 133.312827][ T8023] ? capable+0x14/0x20 [ 133.316867][ T8023] do_mount+0x1270/0x1b60 [ 133.321185][ T8023] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.326716][ T8023] ? copy_mount_string+0x20/0x20 [ 133.331639][ T8023] ? kmem_cache_alloc_trace+0x39e/0x780 [ 133.337180][ T8023] ? __kasan_check_write+0x14/0x20 [ 133.342272][ T8023] ? _copy_from_user+0xd6/0x110 [ 133.347101][ T8023] ? __kasan_check_read+0x11/0x20 [ 133.352101][ T8023] ? copy_mount_options+0x77/0x2c0 [ 133.357189][ T8023] __x64_sys_mount+0x169/0x1c0 [ 133.361931][ T8023] do_syscall_64+0xd0/0x600 [ 133.366424][ T8023] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.372287][ T8023] RIP: 0033:0x458da9 [ 133.376168][ T8023] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 133.395744][ T8023] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 133.404126][ T8023] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 133.412071][ T8023] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 133.420015][ T8023] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 133.427960][ T8023] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 133.435903][ T8023] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 133.443862][ T8035] CPU: 1 PID: 8035 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 133.452436][ T8035] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.462474][ T8035] Call Trace: [ 133.462486][ T8035] dump_stack+0x12d/0x187 [ 133.462496][ T8035] should_fail.cold.4+0x5/0x13 [ 133.462504][ T8035] ? fault_create_debugfs_attr+0x150/0x150 [ 133.462510][ T8035] ? kernel_text_address+0x79/0xf0 [ 133.462515][ T8035] ? __kernel_text_address+0xd/0x40 [ 133.462522][ T8035] ? unwind_get_return_address+0x61/0xa0 [ 133.462532][ T8035] should_fail_alloc_page+0x50/0x60 [ 133.462538][ T8035] __alloc_pages_nodemask+0x17f/0x890 [ 133.462546][ T8035] ? __alloc_pages_slowpath+0x2570/0x2570 [ 133.462555][ T8035] ? stack_trace_consume_entry+0x170/0x170 [ 133.462561][ T8035] ? fault_create_debugfs_attr+0x150/0x150 [ 133.462571][ T8035] cache_grow_begin+0x92/0xca0 [ 133.462576][ T8035] ? kmem_cache_alloc+0x9c/0x750 [ 133.462584][ T8035] ? trace_hardirqs_off+0x41/0x1a0 [ 133.462593][ T8035] kmem_cache_alloc+0x68b/0x750 [ 133.462599][ T8035] ? __x64_sys_mount+0x169/0x1c0 [ 133.462605][ T8035] ? do_syscall_64+0xd0/0x600 [ 133.462617][ T8035] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 133.462624][ T8035] ? __kasan_check_read+0x11/0x20 [ 133.462632][ T8035] idr_get_free+0x35d/0x880 [ 133.462644][ T8035] ? __kasan_check_read+0x11/0x20 [ 133.462652][ T8035] idr_alloc_u32+0x13a/0x330 [ 133.462661][ T8035] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 133.462668][ T8035] ? mark_held_locks+0x130/0x130 [ 133.462677][ T8035] ? __kasan_check_write+0x14/0x20 [ 133.462683][ T8035] ? do_raw_spin_lock+0x132/0x2e0 [ 133.462691][ T8035] idr_alloc+0x7d/0xc0 [ 133.462696][ T8035] ? idr_alloc_u32+0x330/0x330 [ 133.462708][ T8035] p9_client_prepare_req.part.5+0x571/0x670 [ 133.462718][ T8035] p9_client_rpc+0x174/0xe50 [ 133.462727][ T8035] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 133.462733][ T8035] ? p9_client_prepare_req.part.5+0x670/0x670 [ 133.462739][ T8035] ? add_wait_queue+0x107/0x160 [ 133.462747][ T8035] ? p9_pollwait+0x182/0x210 [ 133.469556][ T8037] FAULT_INJECTION: forcing a failure. [ 133.469556][ T8037] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 133.470326][ T8035] ? pipe_poll+0x80/0x300 [ 133.657569][ T8035] ? p9_fd_poll+0x19b/0x2a0 [ 133.662047][ T8035] ? p9_conn_create+0x399/0x4e0 [ 133.666870][ T8035] ? p9_conn_create+0x4e0/0x4e0 [ 133.671697][ T8035] p9_client_create+0x7ec/0x10e0 [ 133.676614][ T8035] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 133.682661][ T8035] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.688176][ T8035] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.694221][ T8035] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.700009][ T8035] ? __kmalloc_track_caller+0x60e/0x780 [ 133.705614][ T8035] ? __x64_sys_mount+0x169/0x1c0 [ 133.710525][ T8035] ? do_syscall_64+0xd0/0x600 [ 133.715173][ T8035] ? lockdep_init_map+0x1b6/0x6c0 [ 133.720178][ T8035] v9fs_session_init+0x1ed/0x14c0 [ 133.725172][ T8035] ? v9fs_session_init+0x1ed/0x14c0 [ 133.730345][ T8035] ? find_held_lock+0x36/0x1d0 [ 133.735106][ T8035] ? v9fs_show_options+0x6c0/0x6c0 [ 133.740187][ T8035] ? __kasan_check_read+0x11/0x20 [ 133.745194][ T8035] ? v9fs_mount+0x55/0x7f0 [ 133.749582][ T8035] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.755100][ T8035] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 133.761137][ T8035] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 133.766916][ T8035] ? kmem_cache_alloc_trace+0x39e/0x780 [ 133.772433][ T8035] ? apparmor_task_alloc+0x2f0/0x2f0 [ 133.777690][ T8035] v9fs_mount+0x72/0x7f0 [ 133.781906][ T8035] ? v9fs_write_inode+0x50/0x50 [ 133.786729][ T8035] legacy_get_tree+0x103/0x1f0 [ 133.791465][ T8035] vfs_get_tree+0x8b/0x2d0 [ 133.795863][ T8035] ? capable+0x14/0x20 [ 133.799907][ T8035] do_mount+0x1270/0x1b60 [ 133.804209][ T8035] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 133.809730][ T8035] ? copy_mount_string+0x20/0x20 [ 133.814639][ T8035] ? kmem_cache_alloc_trace+0x39e/0x780 [ 133.820679][ T8035] ? __kasan_check_write+0x14/0x20 [ 133.825763][ T8035] ? _copy_from_user+0xd6/0x110 [ 133.830587][ T8035] ? __kasan_check_read+0x11/0x20 [ 133.835585][ T8035] ? copy_mount_options+0x77/0x2c0 [ 133.840679][ T8035] __x64_sys_mount+0x169/0x1c0 [ 133.845418][ T8035] do_syscall_64+0xd0/0x600 [ 133.849896][ T8035] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 133.855758][ T8035] RIP: 0033:0x458da9 [ 133.859629][ T8035] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 133.879765][ T8035] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 133.888149][ T8035] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 133.896094][ T8035] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 133.904040][ T8035] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 133.911982][ T8035] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 133.919923][ T8035] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 133.927896][ T8037] CPU: 0 PID: 8037 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 133.936477][ T8037] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.940233][ T8039] FAULT_INJECTION: forcing a failure. [ 133.940233][ T8039] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 133.946973][ T8037] Call Trace: [ 133.963759][ T8037] dump_stack+0x12d/0x187 [ 133.968072][ T8037] should_fail.cold.4+0x5/0x13 [ 133.972809][ T8037] ? fault_create_debugfs_attr+0x150/0x150 [ 133.978588][ T8037] ? kernel_text_address+0x79/0xf0 [ 133.983681][ T8037] ? __kernel_text_address+0xd/0x40 [ 133.988849][ T8037] ? unwind_get_return_address+0x61/0xa0 [ 133.994726][ T8037] should_fail_alloc_page+0x50/0x60 [ 133.999909][ T8037] __alloc_pages_nodemask+0x17f/0x890 [ 134.005264][ T8037] ? __alloc_pages_slowpath+0x2570/0x2570 [ 134.010959][ T8037] ? stack_trace_consume_entry+0x170/0x170 [ 134.016758][ T8037] ? fault_create_debugfs_attr+0x150/0x150 [ 134.022590][ T8037] cache_grow_begin+0x92/0xca0 [ 134.027332][ T8037] ? kmem_cache_alloc+0x9c/0x750 [ 134.032250][ T8037] ? trace_hardirqs_off+0x41/0x1a0 [ 134.037340][ T8037] kmem_cache_alloc+0x68b/0x750 [ 134.042166][ T8037] ? __x64_sys_mount+0x169/0x1c0 [ 134.047091][ T8037] ? do_syscall_64+0xd0/0x600 [ 134.051740][ T8037] ? v9fs_mount+0x72/0x7f0 [ 134.056132][ T8037] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 134.062517][ T8037] ? __kasan_check_read+0x11/0x20 [ 134.067512][ T8037] idr_get_free+0x35d/0x880 [ 134.071990][ T8037] ? __kasan_check_read+0x11/0x20 [ 134.076986][ T8037] idr_alloc_u32+0x13a/0x330 [ 134.081548][ T8037] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 134.087071][ T8037] ? mark_held_locks+0x130/0x130 [ 134.091982][ T8037] ? __kasan_check_write+0x14/0x20 [ 134.097067][ T8037] ? do_raw_spin_lock+0x132/0x2e0 [ 134.102070][ T8037] idr_alloc+0x7d/0xc0 [ 134.106112][ T8037] ? idr_alloc_u32+0x330/0x330 [ 134.110853][ T8037] p9_client_prepare_req.part.5+0x571/0x670 [ 134.116722][ T8037] p9_client_rpc+0x174/0xe50 [ 134.121286][ T8037] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 134.127062][ T8037] ? p9_client_prepare_req.part.5+0x670/0x670 [ 134.133101][ T8037] ? add_wait_queue+0x107/0x160 [ 134.137925][ T8037] ? p9_pollwait+0x182/0x210 [ 134.142486][ T8037] ? pipe_poll+0x80/0x300 [ 134.146811][ T8037] ? p9_fd_poll+0x19b/0x2a0 [ 134.151304][ T8037] ? p9_conn_create+0x399/0x4e0 [ 134.156144][ T8037] ? p9_conn_create+0x4e0/0x4e0 [ 134.160977][ T8037] p9_client_create+0x7ec/0x10e0 [ 134.165911][ T8037] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 134.171954][ T8037] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.177473][ T8037] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.183522][ T8037] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.189318][ T8037] ? __kmalloc_track_caller+0x60e/0x780 [ 134.194847][ T8037] ? __x64_sys_mount+0x169/0x1c0 [ 134.199760][ T8037] ? do_syscall_64+0xd0/0x600 [ 134.204406][ T8037] ? lockdep_init_map+0x1b6/0x6c0 [ 134.209406][ T8037] v9fs_session_init+0x1ed/0x14c0 [ 134.214404][ T8037] ? v9fs_session_init+0x1ed/0x14c0 [ 134.219577][ T8037] ? find_held_lock+0x36/0x1d0 [ 134.224317][ T8037] ? v9fs_show_options+0x6c0/0x6c0 [ 134.229416][ T8037] ? __kasan_check_read+0x11/0x20 [ 134.234437][ T8037] ? v9fs_mount+0x55/0x7f0 [ 134.239092][ T8037] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.244624][ T8037] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.250679][ T8037] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.256466][ T8037] ? kmem_cache_alloc_trace+0x39e/0x780 [ 134.261997][ T8037] ? apparmor_task_alloc+0x2f0/0x2f0 [ 134.267276][ T8037] v9fs_mount+0x72/0x7f0 [ 134.271500][ T8037] ? v9fs_write_inode+0x50/0x50 [ 134.276327][ T8037] legacy_get_tree+0x103/0x1f0 [ 134.281080][ T8037] vfs_get_tree+0x8b/0x2d0 [ 134.285473][ T8037] ? capable+0x14/0x20 [ 134.289522][ T8037] do_mount+0x1270/0x1b60 [ 134.293913][ T8037] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.299433][ T8037] ? copy_mount_string+0x20/0x20 [ 134.304348][ T8037] ? kmem_cache_alloc_trace+0x39e/0x780 [ 134.309866][ T8037] ? __kasan_check_write+0x14/0x20 [ 134.314984][ T8037] ? _copy_from_user+0xd6/0x110 [ 134.319825][ T8037] ? __kasan_check_read+0x11/0x20 [ 134.324825][ T8037] ? copy_mount_options+0x77/0x2c0 [ 134.329923][ T8037] __x64_sys_mount+0x169/0x1c0 [ 134.334665][ T8037] do_syscall_64+0xd0/0x600 [ 134.339145][ T8037] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.345007][ T8037] RIP: 0033:0x458da9 [ 134.348963][ T8037] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 134.369505][ T8037] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 134.377901][ T8037] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 134.385969][ T8037] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 134.394970][ T8037] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 134.403287][ T8037] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 134.411239][ T8037] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 134.420164][ T8039] CPU: 1 PID: 8039 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 134.428745][ T8039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.428750][ T8039] Call Trace: [ 134.428763][ T8039] dump_stack+0x12d/0x187 [ 134.428773][ T8039] should_fail.cold.4+0x5/0x13 [ 134.428780][ T8039] ? do_mount+0x1270/0x1b60 [ 134.428786][ T8039] ? fault_create_debugfs_attr+0x150/0x150 [ 134.428796][ T8039] ? find_held_lock+0x36/0x1d0 [ 134.428805][ T8039] should_fail_alloc_page+0x50/0x60 2019/12/18 21:49:48 executed programs: 193 [ 134.428810][ T8039] __alloc_pages_nodemask+0x17f/0x890 [ 134.428818][ T8039] ? cache_grow_end+0xa8/0x190 [ 134.428825][ T8039] ? __alloc_pages_slowpath+0x2570/0x2570 [ 134.428830][ T8039] ? do_raw_spin_lock+0x132/0x2e0 [ 134.428845][ T8039] cache_grow_begin+0x92/0xca0 [ 134.428849][ T8039] ? __kmalloc+0xc5/0x790 [ 134.428857][ T8039] ? trace_hardirqs_off+0x41/0x1a0 [ 134.428865][ T8039] __kmalloc+0x6cd/0x790 [ 134.428875][ T8039] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 134.428884][ T8039] p9_fcall_init.isra.2+0x55/0x1c0 [ 134.428892][ T8039] p9_client_prepare_req.part.5+0x116/0x670 [ 134.428901][ T8039] p9_client_rpc+0x174/0xe50 [ 134.428909][ T8039] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 134.428915][ T8039] ? p9_client_prepare_req.part.5+0x670/0x670 [ 134.428921][ T8039] ? add_wait_queue+0x107/0x160 [ 134.428930][ T8039] ? p9_pollwait+0x182/0x210 [ 134.442953][ T8039] ? pipe_poll+0x80/0x300 [ 134.452021][ T8039] ? p9_fd_poll+0x19b/0x2a0 [ 134.462288][ T8039] ? p9_conn_create+0x399/0x4e0 [ 134.472217][ T8039] ? p9_conn_create+0x4e0/0x4e0 [ 134.522773][ T8039] p9_client_create+0x7ec/0x10e0 [ 134.533036][ T8044] FAULT_INJECTION: forcing a failure. [ 134.533036][ T8044] name failslab, interval 1, probability 0, space 0, times 0 [ 134.533234][ T8039] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 134.596992][ T8039] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.602640][ T8039] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.608678][ T8039] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.614568][ T8039] ? __kmalloc_track_caller+0x60e/0x780 [ 134.620087][ T8039] ? __x64_sys_mount+0x169/0x1c0 [ 134.624998][ T8039] ? do_syscall_64+0xd0/0x600 [ 134.629649][ T8039] ? lockdep_init_map+0x1b6/0x6c0 [ 134.634651][ T8039] v9fs_session_init+0x1ed/0x14c0 [ 134.639654][ T8039] ? v9fs_session_init+0x1ed/0x14c0 [ 134.644931][ T8039] ? find_held_lock+0x36/0x1d0 [ 134.649674][ T8039] ? v9fs_show_options+0x6c0/0x6c0 [ 134.654769][ T8039] ? __kasan_check_read+0x11/0x20 [ 134.659786][ T8039] ? v9fs_mount+0x55/0x7f0 [ 134.664199][ T8039] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.669735][ T8039] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 134.675780][ T8039] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 134.691468][ T8039] ? kmem_cache_alloc_trace+0x39e/0x780 [ 134.696993][ T8039] ? apparmor_task_alloc+0x2f0/0x2f0 [ 134.702256][ T8039] v9fs_mount+0x72/0x7f0 [ 134.706488][ T8039] ? v9fs_write_inode+0x50/0x50 [ 134.711324][ T8039] legacy_get_tree+0x103/0x1f0 [ 134.716066][ T8039] vfs_get_tree+0x8b/0x2d0 [ 134.720456][ T8039] ? capable+0x14/0x20 [ 134.724497][ T8039] do_mount+0x1270/0x1b60 [ 134.728799][ T8039] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 134.734750][ T8039] ? copy_mount_string+0x20/0x20 [ 134.739665][ T8039] ? kmem_cache_alloc_trace+0x39e/0x780 [ 134.745184][ T8039] ? __kasan_check_write+0x14/0x20 [ 134.750267][ T8039] ? _copy_from_user+0xd6/0x110 [ 134.755093][ T8039] ? __kasan_check_read+0x11/0x20 [ 134.760174][ T8039] ? copy_mount_options+0x77/0x2c0 [ 134.765259][ T8039] __x64_sys_mount+0x169/0x1c0 [ 134.769997][ T8039] do_syscall_64+0xd0/0x600 [ 134.774478][ T8039] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 134.780347][ T8039] RIP: 0033:0x458da9 [ 134.784232][ T8039] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 134.803899][ T8039] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 134.812294][ T8039] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 134.820327][ T8039] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 134.828282][ T8039] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 134.836228][ T8039] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 134.844187][ T8039] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 134.852151][ T8044] CPU: 0 PID: 8044 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 134.860762][ T8044] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.867932][ T8046] FAULT_INJECTION: forcing a failure. [ 134.867932][ T8046] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 134.870809][ T8044] Call Trace: [ 134.887329][ T8044] dump_stack+0x12d/0x187 [ 134.891637][ T8044] should_fail.cold.4+0x5/0x13 [ 134.896376][ T8044] ? stack_trace_save+0x82/0xb0 [ 134.901374][ T8044] ? fault_create_debugfs_attr+0x150/0x150 [ 134.907159][ T8044] __should_failslab+0xba/0xf0 [ 134.911898][ T8044] should_failslab+0x9/0x14 [ 134.916386][ T8044] kmem_cache_alloc+0x47/0x750 [ 134.921129][ T8044] ? __x64_sys_mount+0x169/0x1c0 [ 134.926038][ T8044] ? do_syscall_64+0xd0/0x600 [ 134.930704][ T8044] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 134.937089][ T8044] ? __kasan_check_read+0x11/0x20 [ 134.942088][ T8044] idr_get_free+0x35d/0x880 [ 134.946570][ T8044] ? __kasan_check_read+0x11/0x20 [ 134.951569][ T8044] idr_alloc_u32+0x13a/0x330 [ 134.956237][ T8044] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 134.961756][ T8044] ? mark_held_locks+0x130/0x130 [ 134.966670][ T8044] ? __kasan_check_write+0x14/0x20 [ 134.971761][ T8044] ? do_raw_spin_lock+0x132/0x2e0 [ 134.976760][ T8044] idr_alloc+0x7d/0xc0 [ 134.980813][ T8044] ? idr_alloc_u32+0x330/0x330 [ 134.985556][ T8044] p9_client_prepare_req.part.5+0x571/0x670 [ 134.991437][ T8044] p9_client_rpc+0x174/0xe50 [ 134.996011][ T8044] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 135.001788][ T8044] ? p9_client_prepare_req.part.5+0x670/0x670 [ 135.007838][ T8044] ? add_wait_queue+0x107/0x160 [ 135.012665][ T8044] ? p9_pollwait+0x182/0x210 [ 135.017242][ T8044] ? pipe_poll+0x80/0x300 [ 135.021561][ T8044] ? p9_fd_poll+0x19b/0x2a0 [ 135.026049][ T8044] ? p9_conn_create+0x399/0x4e0 [ 135.030874][ T8044] ? p9_conn_create+0x4e0/0x4e0 [ 135.035703][ T8044] p9_client_create+0x7ec/0x10e0 [ 135.040618][ T8044] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 135.046658][ T8044] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.052182][ T8044] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.058224][ T8044] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.064092][ T8044] ? __kmalloc_track_caller+0x60e/0x780 [ 135.069617][ T8044] ? __x64_sys_mount+0x169/0x1c0 [ 135.074633][ T8044] ? do_syscall_64+0xd0/0x600 [ 135.079301][ T8044] ? lockdep_init_map+0x1b6/0x6c0 [ 135.084332][ T8044] v9fs_session_init+0x1ed/0x14c0 [ 135.089471][ T8044] ? v9fs_session_init+0x1ed/0x14c0 [ 135.094667][ T8044] ? find_held_lock+0x36/0x1d0 [ 135.099416][ T8044] ? v9fs_show_options+0x6c0/0x6c0 [ 135.105202][ T8044] ? __kasan_check_read+0x11/0x20 [ 135.110299][ T8044] ? v9fs_mount+0x55/0x7f0 [ 135.114692][ T8044] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.121275][ T8044] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.127327][ T8044] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.134681][ T8044] ? kmem_cache_alloc_trace+0x39e/0x780 [ 135.140832][ T8044] ? apparmor_task_alloc+0x2f0/0x2f0 [ 135.146095][ T8044] v9fs_mount+0x72/0x7f0 [ 135.150334][ T8044] ? v9fs_write_inode+0x50/0x50 [ 135.155159][ T8044] legacy_get_tree+0x103/0x1f0 [ 135.159985][ T8044] vfs_get_tree+0x8b/0x2d0 [ 135.164373][ T8044] ? capable+0x14/0x20 [ 135.168532][ T8044] do_mount+0x1270/0x1b60 [ 135.172846][ T8044] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.178364][ T8044] ? copy_mount_string+0x20/0x20 [ 135.183451][ T8044] ? kmem_cache_alloc_trace+0x39e/0x780 [ 135.188994][ T8044] ? __kasan_check_write+0x14/0x20 [ 135.194084][ T8044] ? _copy_from_user+0xd6/0x110 [ 135.198923][ T8044] ? __kasan_check_read+0x11/0x20 [ 135.203921][ T8044] ? copy_mount_options+0x77/0x2c0 [ 135.209038][ T8044] __x64_sys_mount+0x169/0x1c0 [ 135.214761][ T8044] do_syscall_64+0xd0/0x600 [ 135.219259][ T8044] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 135.225148][ T8044] RIP: 0033:0x458da9 [ 135.229048][ T8044] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 135.248645][ T8044] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 135.257031][ T8044] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 135.264989][ T8044] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 135.272935][ T8044] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 135.280883][ T8044] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 135.288843][ T8044] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 135.296917][ T8046] CPU: 1 PID: 8046 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 135.305511][ T8046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.305516][ T8046] Call Trace: [ 135.305530][ T8046] dump_stack+0x12d/0x187 [ 135.305541][ T8046] should_fail.cold.4+0x5/0x13 [ 135.305548][ T8046] ? do_mount+0x1270/0x1b60 [ 135.305554][ T8046] ? fault_create_debugfs_attr+0x150/0x150 [ 135.305567][ T8046] ? find_held_lock+0x36/0x1d0 [ 135.317512][ T8048] FAULT_INJECTION: forcing a failure. [ 135.317512][ T8048] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 135.318911][ T8046] should_fail_alloc_page+0x50/0x60 [ 135.361318][ T8046] __alloc_pages_nodemask+0x17f/0x890 [ 135.366665][ T8046] ? cache_grow_end+0xa8/0x190 [ 135.371411][ T8046] ? __alloc_pages_slowpath+0x2570/0x2570 [ 135.377103][ T8046] ? do_raw_spin_lock+0x132/0x2e0 [ 135.382105][ T8046] cache_grow_begin+0x92/0xca0 [ 135.386838][ T8046] ? __kmalloc+0xc5/0x790 [ 135.391140][ T8046] ? trace_hardirqs_off+0x41/0x1a0 [ 135.396223][ T8046] __kmalloc+0x6cd/0x790 [ 135.400452][ T8046] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 135.405714][ T8046] p9_fcall_init.isra.2+0x55/0x1c0 [ 135.410798][ T8046] p9_client_prepare_req.part.5+0x116/0x670 [ 135.416674][ T8046] p9_client_rpc+0x174/0xe50 [ 135.421238][ T8046] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 135.427013][ T8046] ? p9_client_prepare_req.part.5+0x670/0x670 [ 135.433048][ T8046] ? add_wait_queue+0x107/0x160 [ 135.437882][ T8046] ? p9_pollwait+0x182/0x210 [ 135.442449][ T8046] ? pipe_poll+0x80/0x300 [ 135.446757][ T8046] ? p9_fd_poll+0x19b/0x2a0 [ 135.451235][ T8046] ? p9_conn_create+0x399/0x4e0 [ 135.456059][ T8046] ? p9_conn_create+0x4e0/0x4e0 [ 135.460884][ T8046] p9_client_create+0x7ec/0x10e0 [ 135.465884][ T8046] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 135.471944][ T8046] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.477470][ T8046] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.483527][ T8046] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.489327][ T8046] ? __kmalloc_track_caller+0x60e/0x780 [ 135.494867][ T8046] ? __x64_sys_mount+0x169/0x1c0 [ 135.499789][ T8046] ? do_syscall_64+0xd0/0x600 [ 135.504443][ T8046] ? lockdep_init_map+0x1b6/0x6c0 [ 135.509466][ T8046] v9fs_session_init+0x1ed/0x14c0 [ 135.514490][ T8046] ? v9fs_session_init+0x1ed/0x14c0 [ 135.519690][ T8046] ? find_held_lock+0x36/0x1d0 [ 135.524444][ T8046] ? v9fs_show_options+0x6c0/0x6c0 [ 135.529561][ T8046] ? __kasan_check_read+0x11/0x20 [ 135.534563][ T8046] ? v9fs_mount+0x55/0x7f0 [ 135.538956][ T8046] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.544489][ T8046] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.550536][ T8046] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.556315][ T8046] ? kmem_cache_alloc_trace+0x39e/0x780 [ 135.561931][ T8046] ? apparmor_task_alloc+0x2f0/0x2f0 [ 135.567192][ T8046] v9fs_mount+0x72/0x7f0 [ 135.571417][ T8046] ? v9fs_write_inode+0x50/0x50 [ 135.576239][ T8046] legacy_get_tree+0x103/0x1f0 [ 135.580975][ T8046] vfs_get_tree+0x8b/0x2d0 [ 135.585369][ T8046] ? capable+0x14/0x20 [ 135.589416][ T8046] do_mount+0x1270/0x1b60 [ 135.593718][ T8046] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.599233][ T8046] ? copy_mount_string+0x20/0x20 [ 135.604242][ T8046] ? kmem_cache_alloc_trace+0x39e/0x780 [ 135.609801][ T8046] ? __kasan_check_write+0x14/0x20 [ 135.614907][ T8046] ? _copy_from_user+0xd6/0x110 [ 135.619747][ T8046] ? __kasan_check_read+0x11/0x20 [ 135.624750][ T8046] ? copy_mount_options+0x77/0x2c0 [ 135.629855][ T8046] __x64_sys_mount+0x169/0x1c0 [ 135.634699][ T8046] do_syscall_64+0xd0/0x600 [ 135.639193][ T8046] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 135.645110][ T8046] RIP: 0033:0x458da9 [ 135.648988][ T8046] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 135.668584][ T8046] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 135.676992][ T8046] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 135.684957][ T8046] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 135.692909][ T8046] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 135.700868][ T8046] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 135.708825][ T8046] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 135.716804][ T8048] CPU: 0 PID: 8048 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 135.725392][ T8048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 135.736398][ T8048] Call Trace: [ 135.739694][ T8048] dump_stack+0x12d/0x187 [ 135.744031][ T8048] should_fail.cold.4+0x5/0x13 [ 135.748797][ T8048] ? do_mount+0x1270/0x1b60 [ 135.753298][ T8048] ? fault_create_debugfs_attr+0x150/0x150 [ 135.759785][ T8048] ? find_held_lock+0x36/0x1d0 [ 135.764542][ T8048] should_fail_alloc_page+0x50/0x60 [ 135.769730][ T8048] __alloc_pages_nodemask+0x17f/0x890 [ 135.775087][ T8048] ? cache_grow_end+0xa8/0x190 [ 135.779833][ T8048] ? __alloc_pages_slowpath+0x2570/0x2570 [ 135.785533][ T8048] ? do_raw_spin_lock+0x132/0x2e0 [ 135.790548][ T8048] cache_grow_begin+0x92/0xca0 [ 135.795292][ T8048] ? __kmalloc+0xc5/0x790 [ 135.799608][ T8048] ? trace_hardirqs_off+0x41/0x1a0 [ 135.804706][ T8048] __kmalloc+0x6cd/0x790 [ 135.808933][ T8048] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 135.814206][ T8048] p9_fcall_init.isra.2+0x55/0x1c0 [ 135.819299][ T8048] p9_client_prepare_req.part.5+0x116/0x670 [ 135.825176][ T8048] p9_client_rpc+0x174/0xe50 [ 135.829751][ T8048] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 135.835537][ T8048] ? p9_client_prepare_req.part.5+0x670/0x670 [ 135.841582][ T8048] ? add_wait_queue+0x107/0x160 [ 135.846419][ T8048] ? p9_pollwait+0x182/0x210 [ 135.850997][ T8048] ? pipe_poll+0x80/0x300 [ 135.855308][ T8048] ? p9_fd_poll+0x19b/0x2a0 [ 135.859792][ T8048] ? p9_conn_create+0x399/0x4e0 [ 135.864629][ T8048] ? p9_conn_create+0x4e0/0x4e0 [ 135.869471][ T8048] p9_client_create+0x7ec/0x10e0 [ 135.874400][ T8048] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 135.880445][ T8048] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.885977][ T8048] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.892022][ T8048] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.897815][ T8048] ? __kmalloc_track_caller+0x60e/0x780 [ 135.903339][ T8048] ? __x64_sys_mount+0x169/0x1c0 [ 135.908261][ T8048] ? do_syscall_64+0xd0/0x600 [ 135.912915][ T8048] ? lockdep_init_map+0x1b6/0x6c0 [ 135.917930][ T8048] v9fs_session_init+0x1ed/0x14c0 [ 135.923030][ T8048] ? v9fs_session_init+0x1ed/0x14c0 [ 135.928221][ T8048] ? find_held_lock+0x36/0x1d0 [ 135.932970][ T8048] ? v9fs_show_options+0x6c0/0x6c0 [ 135.938061][ T8048] ? __kasan_check_read+0x11/0x20 [ 135.943070][ T8048] ? v9fs_mount+0x55/0x7f0 [ 135.948505][ T8048] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 135.954036][ T8048] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 135.960082][ T8048] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 135.965884][ T8048] ? kmem_cache_alloc_trace+0x39e/0x780 [ 135.971416][ T8048] ? apparmor_task_alloc+0x2f0/0x2f0 [ 135.976688][ T8048] v9fs_mount+0x72/0x7f0 [ 135.980913][ T8048] ? v9fs_write_inode+0x50/0x50 [ 135.985749][ T8048] legacy_get_tree+0x103/0x1f0 [ 135.990499][ T8048] vfs_get_tree+0x8b/0x2d0 [ 135.994899][ T8048] ? capable+0x14/0x20 [ 135.998953][ T8048] do_mount+0x1270/0x1b60 [ 136.003264][ T8048] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.008790][ T8048] ? copy_mount_string+0x20/0x20 [ 136.013708][ T8048] ? kmem_cache_alloc_trace+0x39e/0x780 [ 136.019233][ T8048] ? __kasan_check_write+0x14/0x20 [ 136.024324][ T8048] ? _copy_from_user+0xd6/0x110 [ 136.029159][ T8048] ? __kasan_check_read+0x11/0x20 [ 136.034163][ T8048] ? copy_mount_options+0x77/0x2c0 [ 136.039269][ T8048] __x64_sys_mount+0x169/0x1c0 [ 136.044016][ T8048] do_syscall_64+0xd0/0x600 [ 136.048507][ T8048] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.054379][ T8048] RIP: 0033:0x458da9 [ 136.058256][ T8048] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 136.077843][ T8048] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 136.086234][ T8048] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 136.094187][ T8048] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 136.102142][ T8048] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 136.110115][ T8048] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 136.118069][ T8048] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 136.141550][ T8060] FAULT_INJECTION: forcing a failure. [ 136.141550][ T8060] name failslab, interval 1, probability 0, space 0, times 0 [ 136.147002][ T8061] FAULT_INJECTION: forcing a failure. [ 136.147002][ T8061] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 136.154160][ T8060] CPU: 0 PID: 8060 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 136.176872][ T8060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.186910][ T8060] Call Trace: [ 136.190271][ T8060] dump_stack+0x12d/0x187 [ 136.194578][ T8060] should_fail.cold.4+0x5/0x13 [ 136.199318][ T8060] ? fault_create_debugfs_attr+0x150/0x150 [ 136.205119][ T8060] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 136.211679][ T8060] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.217233][ T8060] __should_failslab+0xba/0xf0 [ 136.221990][ T8060] should_failslab+0x9/0x14 [ 136.226470][ T8060] kmem_cache_alloc+0x47/0x750 [ 136.231235][ T8060] ? __x64_sys_mount+0x169/0x1c0 [ 136.236150][ T8060] ? do_syscall_64+0xd0/0x600 [ 136.240803][ T8060] ? v9fs_session_init+0x1ed/0x14c0 [ 136.245974][ T8060] ? v9fs_mount+0x72/0x7f0 [ 136.250365][ T8060] ? legacy_get_tree+0x103/0x1f0 [ 136.255277][ T8060] ? vfs_get_tree+0x8b/0x2d0 [ 136.259846][ T8060] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 136.266240][ T8060] idr_get_free+0x35d/0x880 [ 136.270723][ T8060] idr_alloc_u32+0x13a/0x330 [ 136.275300][ T8060] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 136.280845][ T8060] ? mark_held_locks+0x130/0x130 [ 136.285804][ T8060] ? __kasan_check_write+0x14/0x20 [ 136.290914][ T8060] ? do_raw_spin_lock+0x132/0x2e0 [ 136.295964][ T8060] idr_alloc+0x7d/0xc0 [ 136.300057][ T8060] ? idr_alloc_u32+0x330/0x330 [ 136.304809][ T8060] p9_client_prepare_req.part.5+0x571/0x670 [ 136.310685][ T8060] p9_client_rpc+0x174/0xe50 [ 136.315259][ T8060] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 136.321087][ T8060] ? p9_client_prepare_req.part.5+0x670/0x670 [ 136.327150][ T8060] ? add_wait_queue+0x107/0x160 [ 136.331994][ T8060] ? p9_pollwait+0x182/0x210 [ 136.337632][ T8060] ? pipe_poll+0x80/0x300 [ 136.341970][ T8060] ? p9_fd_poll+0x19b/0x2a0 [ 136.346454][ T8060] ? p9_conn_create+0x399/0x4e0 [ 136.351287][ T8060] ? p9_conn_create+0x4e0/0x4e0 [ 136.356211][ T8060] p9_client_create+0x7ec/0x10e0 [ 136.362456][ T8060] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 136.368579][ T8060] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.374114][ T8060] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.380194][ T8060] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.385990][ T8060] ? __kmalloc_track_caller+0x60e/0x780 [ 136.391543][ T8060] ? __x64_sys_mount+0x169/0x1c0 [ 136.396460][ T8060] ? do_syscall_64+0xd0/0x600 [ 136.401115][ T8060] ? lockdep_init_map+0x1b6/0x6c0 [ 136.406125][ T8060] v9fs_session_init+0x1ed/0x14c0 [ 136.411131][ T8060] ? v9fs_session_init+0x1ed/0x14c0 [ 136.416313][ T8060] ? find_held_lock+0x36/0x1d0 [ 136.421323][ T8060] ? v9fs_show_options+0x6c0/0x6c0 [ 136.426448][ T8060] ? __kasan_check_read+0x11/0x20 [ 136.431453][ T8060] ? v9fs_mount+0x55/0x7f0 [ 136.435849][ T8060] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.441378][ T8060] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.447426][ T8060] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.453214][ T8060] ? kmem_cache_alloc_trace+0x39e/0x780 [ 136.458750][ T8060] ? apparmor_task_alloc+0x2f0/0x2f0 [ 136.464019][ T8060] v9fs_mount+0x72/0x7f0 [ 136.468243][ T8060] ? v9fs_write_inode+0x50/0x50 [ 136.473074][ T8060] legacy_get_tree+0x103/0x1f0 [ 136.477820][ T8060] vfs_get_tree+0x8b/0x2d0 [ 136.482256][ T8060] ? capable+0x14/0x20 [ 136.486308][ T8060] do_mount+0x1270/0x1b60 [ 136.490620][ T8060] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.496168][ T8060] ? copy_mount_string+0x20/0x20 [ 136.501096][ T8060] ? kmem_cache_alloc_trace+0x39e/0x780 [ 136.506627][ T8060] ? __kasan_check_write+0x14/0x20 [ 136.512680][ T8060] ? _copy_from_user+0xd6/0x110 [ 136.517558][ T8060] ? __kasan_check_read+0x11/0x20 [ 136.522702][ T8060] ? copy_mount_options+0x77/0x2c0 [ 136.527795][ T8060] __x64_sys_mount+0x169/0x1c0 [ 136.532856][ T8060] do_syscall_64+0xd0/0x600 [ 136.537346][ T8060] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.543220][ T8060] RIP: 0033:0x458da9 [ 136.547097][ T8060] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 136.566723][ T8060] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 136.575119][ T8060] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 136.583112][ T8060] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 136.591108][ T8060] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 136.599690][ T8060] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 136.607658][ T8060] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 136.615721][ T8061] CPU: 1 PID: 8061 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 136.624316][ T8061] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 136.634469][ T8061] Call Trace: [ 136.637766][ T8061] dump_stack+0x12d/0x187 [ 136.642102][ T8061] should_fail.cold.4+0x5/0x13 [ 136.646869][ T8061] ? do_mount+0x1270/0x1b60 [ 136.651398][ T8061] ? fault_create_debugfs_attr+0x150/0x150 [ 136.657217][ T8061] ? find_held_lock+0x36/0x1d0 [ 136.661991][ T8061] should_fail_alloc_page+0x50/0x60 [ 136.667191][ T8061] __alloc_pages_nodemask+0x17f/0x890 [ 136.672697][ T8061] ? cache_grow_end+0xa8/0x190 [ 136.677457][ T8061] ? __alloc_pages_slowpath+0x2570/0x2570 [ 136.683296][ T8061] ? do_raw_spin_lock+0x132/0x2e0 [ 136.684457][ T8062] FAULT_INJECTION: forcing a failure. [ 136.684457][ T8062] name failslab, interval 1, probability 0, space 0, times 0 [ 136.688313][ T8061] cache_grow_begin+0x92/0xca0 [ 136.705620][ T8061] ? __kmalloc+0xc5/0x790 [ 136.709934][ T8061] ? trace_hardirqs_off+0x41/0x1a0 [ 136.715028][ T8061] __kmalloc+0x6cd/0x790 [ 136.719259][ T8061] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 136.724528][ T8061] p9_fcall_init.isra.2+0x55/0x1c0 [ 136.729623][ T8061] p9_client_prepare_req.part.5+0x116/0x670 [ 136.735503][ T8061] p9_client_rpc+0x174/0xe50 [ 136.740098][ T8061] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 136.745901][ T8061] ? p9_client_prepare_req.part.5+0x670/0x670 [ 136.751963][ T8061] ? add_wait_queue+0x107/0x160 [ 136.756804][ T8061] ? p9_pollwait+0x182/0x210 [ 136.761377][ T8061] ? pipe_poll+0x80/0x300 [ 136.765775][ T8061] ? p9_fd_poll+0x19b/0x2a0 [ 136.770263][ T8061] ? p9_conn_create+0x399/0x4e0 [ 136.775448][ T8061] ? p9_conn_create+0x4e0/0x4e0 [ 136.780286][ T8061] p9_client_create+0x7ec/0x10e0 [ 136.785310][ T8061] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 136.791360][ T8061] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.797085][ T8061] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.803296][ T8061] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.809129][ T8061] ? __kmalloc_track_caller+0x60e/0x780 [ 136.814703][ T8061] ? __x64_sys_mount+0x169/0x1c0 [ 136.819628][ T8061] ? do_syscall_64+0xd0/0x600 [ 136.824288][ T8061] ? lockdep_init_map+0x1b6/0x6c0 [ 136.829564][ T8061] v9fs_session_init+0x1ed/0x14c0 [ 136.834618][ T8061] ? v9fs_session_init+0x1ed/0x14c0 [ 136.839842][ T8061] ? find_held_lock+0x36/0x1d0 [ 136.844941][ T8061] ? v9fs_show_options+0x6c0/0x6c0 [ 136.850035][ T8061] ? __kasan_check_read+0x11/0x20 [ 136.855082][ T8061] ? v9fs_mount+0x55/0x7f0 [ 136.859486][ T8061] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.865013][ T8061] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 136.871064][ T8061] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 136.876857][ T8061] ? kmem_cache_alloc_trace+0x39e/0x780 [ 136.882474][ T8061] ? apparmor_task_alloc+0x2f0/0x2f0 [ 136.887955][ T8061] v9fs_mount+0x72/0x7f0 [ 136.892290][ T8061] ? v9fs_write_inode+0x50/0x50 [ 136.897126][ T8061] legacy_get_tree+0x103/0x1f0 [ 136.902049][ T8061] vfs_get_tree+0x8b/0x2d0 [ 136.906451][ T8061] ? capable+0x14/0x20 [ 136.910503][ T8061] do_mount+0x1270/0x1b60 [ 136.914820][ T8061] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 136.920356][ T8061] ? copy_mount_string+0x20/0x20 [ 136.925282][ T8061] ? kmem_cache_alloc_trace+0x39e/0x780 [ 136.930827][ T8061] ? __kasan_check_write+0x14/0x20 [ 136.935940][ T8061] ? _copy_from_user+0xd6/0x110 [ 136.940775][ T8061] ? __kasan_check_read+0x11/0x20 [ 136.945822][ T8061] ? copy_mount_options+0x77/0x2c0 [ 136.950923][ T8061] __x64_sys_mount+0x169/0x1c0 [ 136.955677][ T8061] do_syscall_64+0xd0/0x600 [ 136.960167][ T8061] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 136.966092][ T8061] RIP: 0033:0x458da9 [ 136.970007][ T8061] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 136.989683][ T8061] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 136.998684][ T8061] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 137.006740][ T8061] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 137.015405][ T8061] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 137.023462][ T8061] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 137.031419][ T8061] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 137.039443][ T8062] CPU: 0 PID: 8062 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 137.048035][ T8062] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.058079][ T8062] Call Trace: [ 137.061365][ T8062] dump_stack+0x12d/0x187 [ 137.065741][ T8062] should_fail.cold.4+0x5/0x13 [ 137.071267][ T8062] ? stack_trace_save+0x82/0xb0 [ 137.076099][ T8062] ? fault_create_debugfs_attr+0x150/0x150 [ 137.081923][ T8062] __should_failslab+0xba/0xf0 [ 137.086666][ T8062] should_failslab+0x9/0x14 [ 137.091150][ T8062] kmem_cache_alloc+0x47/0x750 [ 137.095900][ T8062] ? __x64_sys_mount+0x169/0x1c0 [ 137.100820][ T8062] ? do_syscall_64+0xd0/0x600 [ 137.105480][ T8062] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 137.111940][ T8062] ? __kasan_check_read+0x11/0x20 [ 137.116949][ T8062] idr_get_free+0x35d/0x880 [ 137.121435][ T8062] ? __kasan_check_read+0x11/0x20 [ 137.126444][ T8062] idr_alloc_u32+0x13a/0x330 [ 137.131050][ T8062] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 137.136575][ T8062] ? mark_held_locks+0x130/0x130 [ 137.141522][ T8062] ? __kasan_check_write+0x14/0x20 [ 137.146615][ T8062] ? do_raw_spin_lock+0x132/0x2e0 [ 137.151771][ T8062] idr_alloc+0x7d/0xc0 [ 137.155827][ T8062] ? idr_alloc_u32+0x330/0x330 [ 137.161573][ T8062] p9_client_prepare_req.part.5+0x571/0x670 [ 137.167456][ T8062] p9_client_rpc+0x174/0xe50 [ 137.172035][ T8062] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 137.177823][ T8062] ? p9_client_prepare_req.part.5+0x670/0x670 [ 137.183876][ T8062] ? add_wait_queue+0x107/0x160 [ 137.188711][ T8062] ? p9_pollwait+0x182/0x210 [ 137.193896][ T8062] ? pipe_poll+0x80/0x300 [ 137.198209][ T8062] ? p9_fd_poll+0x19b/0x2a0 [ 137.202693][ T8062] ? p9_conn_create+0x399/0x4e0 [ 137.207613][ T8062] ? p9_conn_create+0x4e0/0x4e0 [ 137.212483][ T8062] p9_client_create+0x7ec/0x10e0 [ 137.217452][ T8062] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 137.223498][ T8062] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.229065][ T8062] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.235113][ T8062] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.241037][ T8062] ? __kmalloc_track_caller+0x60e/0x780 [ 137.246578][ T8062] ? __x64_sys_mount+0x169/0x1c0 [ 137.251743][ T8062] ? do_syscall_64+0xd0/0x600 [ 137.256409][ T8062] ? lockdep_init_map+0x1b6/0x6c0 [ 137.261428][ T8062] v9fs_session_init+0x1ed/0x14c0 [ 137.266510][ T8062] ? v9fs_session_init+0x1ed/0x14c0 [ 137.271696][ T8062] ? find_held_lock+0x36/0x1d0 [ 137.276446][ T8062] ? v9fs_show_options+0x6c0/0x6c0 [ 137.281538][ T8062] ? __kasan_check_read+0x11/0x20 [ 137.286545][ T8062] ? v9fs_mount+0x55/0x7f0 [ 137.290942][ T8062] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.296473][ T8062] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.302519][ T8062] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.308309][ T8062] ? kmem_cache_alloc_trace+0x39e/0x780 [ 137.313927][ T8062] ? apparmor_task_alloc+0x2f0/0x2f0 [ 137.319231][ T8062] v9fs_mount+0x72/0x7f0 [ 137.323464][ T8062] ? v9fs_write_inode+0x50/0x50 [ 137.328297][ T8062] legacy_get_tree+0x103/0x1f0 [ 137.333061][ T8062] vfs_get_tree+0x8b/0x2d0 [ 137.337463][ T8062] ? capable+0x14/0x20 [ 137.341516][ T8062] do_mount+0x1270/0x1b60 [ 137.345830][ T8062] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.351375][ T8062] ? copy_mount_string+0x20/0x20 [ 137.356354][ T8062] ? kmem_cache_alloc_trace+0x39e/0x780 [ 137.362047][ T8062] ? __kasan_check_write+0x14/0x20 [ 137.367161][ T8062] ? _copy_from_user+0xd6/0x110 [ 137.371997][ T8062] ? __kasan_check_read+0x11/0x20 [ 137.377006][ T8062] ? copy_mount_options+0x77/0x2c0 [ 137.382105][ T8062] __x64_sys_mount+0x169/0x1c0 [ 137.386855][ T8062] do_syscall_64+0xd0/0x600 [ 137.391343][ T8062] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.397215][ T8062] RIP: 0033:0x458da9 [ 137.401124][ T8062] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 137.420754][ T8062] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 137.429439][ T8062] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 137.437401][ T8062] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 137.445395][ T8062] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 137.453353][ T8062] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 137.461340][ T8062] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 137.497362][ T8070] FAULT_INJECTION: forcing a failure. [ 137.497362][ T8070] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 137.510710][ T8070] CPU: 1 PID: 8070 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 137.519296][ T8070] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.529439][ T8070] Call Trace: [ 137.529451][ T8070] dump_stack+0x12d/0x187 [ 137.529462][ T8070] should_fail.cold.4+0x5/0x13 [ 137.529470][ T8070] ? do_mount+0x1270/0x1b60 [ 137.547119][ T8070] ? fault_create_debugfs_attr+0x150/0x150 [ 137.547131][ T8070] ? find_held_lock+0x36/0x1d0 [ 137.547142][ T8070] should_fail_alloc_page+0x50/0x60 [ 137.547148][ T8070] __alloc_pages_nodemask+0x17f/0x890 [ 137.547155][ T8070] ? cache_grow_end+0xa8/0x190 [ 137.547162][ T8070] ? __alloc_pages_slowpath+0x2570/0x2570 [ 137.547168][ T8070] ? do_raw_spin_lock+0x132/0x2e0 [ 137.547182][ T8070] cache_grow_begin+0x92/0xca0 [ 137.547186][ T8070] ? __kmalloc+0xc5/0x790 [ 137.547192][ T8070] ? trace_hardirqs_off+0x41/0x1a0 [ 137.547201][ T8070] __kmalloc+0x6cd/0x790 [ 137.547211][ T8070] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 137.547219][ T8070] p9_fcall_init.isra.2+0x55/0x1c0 [ 137.564991][ T8077] FAULT_INJECTION: forcing a failure. [ 137.564991][ T8077] name failslab, interval 1, probability 0, space 0, times 0 [ 137.568318][ T8070] p9_client_prepare_req.part.5+0x116/0x670 [ 137.631649][ T8070] p9_client_rpc+0x174/0xe50 [ 137.636223][ T8070] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 137.642009][ T8070] ? p9_client_prepare_req.part.5+0x670/0x670 [ 137.648054][ T8070] ? add_wait_queue+0x107/0x160 [ 137.652889][ T8070] ? p9_pollwait+0x182/0x210 [ 137.657549][ T8070] ? pipe_poll+0x80/0x300 [ 137.661906][ T8070] ? p9_fd_poll+0x19b/0x2a0 [ 137.666392][ T8070] ? p9_conn_create+0x399/0x4e0 [ 137.671260][ T8070] ? p9_conn_create+0x4e0/0x4e0 [ 137.676132][ T8070] p9_client_create+0x7ec/0x10e0 [ 137.681056][ T8070] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 137.687100][ T8070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.692629][ T8070] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.698759][ T8070] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.704639][ T8070] ? __kmalloc_track_caller+0x60e/0x780 [ 137.710166][ T8070] ? __x64_sys_mount+0x169/0x1c0 [ 137.715083][ T8070] ? do_syscall_64+0xd0/0x600 [ 137.719744][ T8070] ? lockdep_init_map+0x1b6/0x6c0 [ 137.724754][ T8070] v9fs_session_init+0x1ed/0x14c0 [ 137.729756][ T8070] ? v9fs_session_init+0x1ed/0x14c0 [ 137.734937][ T8070] ? find_held_lock+0x36/0x1d0 [ 137.739764][ T8070] ? v9fs_show_options+0x6c0/0x6c0 [ 137.744856][ T8070] ? __kasan_check_read+0x11/0x20 [ 137.749860][ T8070] ? v9fs_mount+0x55/0x7f0 [ 137.754258][ T8070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.759782][ T8070] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 137.765831][ T8070] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 137.771625][ T8070] ? kmem_cache_alloc_trace+0x39e/0x780 [ 137.777152][ T8070] ? apparmor_task_alloc+0x2f0/0x2f0 [ 137.782421][ T8070] v9fs_mount+0x72/0x7f0 [ 137.786679][ T8070] ? v9fs_write_inode+0x50/0x50 [ 137.791546][ T8070] legacy_get_tree+0x103/0x1f0 [ 137.796292][ T8070] vfs_get_tree+0x8b/0x2d0 [ 137.800691][ T8070] ? capable+0x14/0x20 [ 137.804743][ T8070] do_mount+0x1270/0x1b60 [ 137.809053][ T8070] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 137.814616][ T8070] ? copy_mount_string+0x20/0x20 [ 137.819572][ T8070] ? kmem_cache_alloc_trace+0x39e/0x780 [ 137.825099][ T8070] ? __kasan_check_write+0x14/0x20 [ 137.830190][ T8070] ? _copy_from_user+0xd6/0x110 [ 137.835022][ T8070] ? __kasan_check_read+0x11/0x20 [ 137.840037][ T8070] ? copy_mount_options+0x77/0x2c0 [ 137.845222][ T8070] __x64_sys_mount+0x169/0x1c0 [ 137.849969][ T8070] do_syscall_64+0xd0/0x600 [ 137.854472][ T8070] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 137.860360][ T8070] RIP: 0033:0x458da9 [ 137.864234][ T8070] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 137.884111][ T8070] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 137.892509][ T8070] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 137.900465][ T8070] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 137.908419][ T8070] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 137.916635][ T8070] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 137.924590][ T8070] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 137.932583][ T8077] CPU: 0 PID: 8077 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 137.935825][ T8078] FAULT_INJECTION: forcing a failure. [ 137.935825][ T8078] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 137.941171][ T8077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.964377][ T8077] Call Trace: [ 137.967653][ T8077] dump_stack+0x12d/0x187 [ 137.971969][ T8077] should_fail.cold.4+0x5/0x13 [ 137.976757][ T8077] ? stack_trace_save+0x82/0xb0 [ 137.981590][ T8077] ? fault_create_debugfs_attr+0x150/0x150 [ 137.987382][ T8077] __should_failslab+0xba/0xf0 [ 137.992128][ T8077] should_failslab+0x9/0x14 [ 137.996699][ T8077] kmem_cache_alloc+0x47/0x750 [ 138.001439][ T8077] ? __x64_sys_mount+0x169/0x1c0 [ 138.006358][ T8077] ? do_syscall_64+0xd0/0x600 [ 138.011031][ T8077] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 138.017421][ T8077] ? __kasan_check_read+0x11/0x20 [ 138.022458][ T8077] idr_get_free+0x35d/0x880 [ 138.026959][ T8077] ? __kasan_check_read+0x11/0x20 [ 138.032003][ T8077] idr_alloc_u32+0x13a/0x330 [ 138.036617][ T8077] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 138.042156][ T8077] ? mark_held_locks+0x130/0x130 [ 138.047107][ T8077] ? __kasan_check_write+0x14/0x20 [ 138.052196][ T8077] ? do_raw_spin_lock+0x132/0x2e0 [ 138.057201][ T8077] idr_alloc+0x7d/0xc0 [ 138.061248][ T8077] ? idr_alloc_u32+0x330/0x330 [ 138.065994][ T8077] p9_client_prepare_req.part.5+0x571/0x670 [ 138.071906][ T8077] p9_client_rpc+0x174/0xe50 [ 138.076479][ T8077] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 138.082264][ T8077] ? p9_client_prepare_req.part.5+0x670/0x670 [ 138.088311][ T8077] ? add_wait_queue+0x107/0x160 [ 138.093143][ T8077] ? p9_pollwait+0x182/0x210 [ 138.097849][ T8077] ? pipe_poll+0x80/0x300 [ 138.102161][ T8077] ? p9_fd_poll+0x19b/0x2a0 [ 138.107601][ T8077] ? p9_conn_create+0x399/0x4e0 [ 138.112435][ T8077] ? p9_conn_create+0x4e0/0x4e0 [ 138.117271][ T8077] p9_client_create+0x7ec/0x10e0 [ 138.122199][ T8077] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 138.128252][ T8077] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.133781][ T8077] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.139844][ T8077] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.145693][ T8077] ? __kmalloc_track_caller+0x60e/0x780 [ 138.151219][ T8077] ? __x64_sys_mount+0x169/0x1c0 [ 138.156136][ T8077] ? do_syscall_64+0xd0/0x600 [ 138.160793][ T8077] ? lockdep_init_map+0x1b6/0x6c0 [ 138.165803][ T8077] v9fs_session_init+0x1ed/0x14c0 [ 138.170842][ T8077] ? v9fs_session_init+0x1ed/0x14c0 [ 138.176146][ T8077] ? find_held_lock+0x36/0x1d0 [ 138.180900][ T8077] ? v9fs_show_options+0x6c0/0x6c0 [ 138.186175][ T8077] ? __kasan_check_read+0x11/0x20 [ 138.192503][ T8077] ? v9fs_mount+0x55/0x7f0 [ 138.197253][ T8077] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.202796][ T8077] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.208982][ T8077] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.215028][ T8077] ? kmem_cache_alloc_trace+0x39e/0x780 [ 138.220560][ T8077] ? apparmor_task_alloc+0x2f0/0x2f0 [ 138.225844][ T8077] v9fs_mount+0x72/0x7f0 [ 138.230075][ T8077] ? v9fs_write_inode+0x50/0x50 [ 138.234991][ T8077] legacy_get_tree+0x103/0x1f0 [ 138.239746][ T8077] vfs_get_tree+0x8b/0x2d0 [ 138.244155][ T8077] ? capable+0x14/0x20 [ 138.248216][ T8077] do_mount+0x1270/0x1b60 [ 138.252546][ T8077] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.258076][ T8077] ? copy_mount_string+0x20/0x20 [ 138.263046][ T8077] ? kmem_cache_alloc_trace+0x39e/0x780 [ 138.268597][ T8077] ? __kasan_check_write+0x14/0x20 [ 138.273703][ T8077] ? _copy_from_user+0xd6/0x110 [ 138.278631][ T8077] ? __kasan_check_read+0x11/0x20 [ 138.283891][ T8077] ? copy_mount_options+0x77/0x2c0 [ 138.288991][ T8077] __x64_sys_mount+0x169/0x1c0 [ 138.293884][ T8077] do_syscall_64+0xd0/0x600 [ 138.298410][ T8077] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 138.304433][ T8077] RIP: 0033:0x458da9 [ 138.308330][ T8077] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 138.328171][ T8077] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.336600][ T8077] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 138.344707][ T8077] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 138.352812][ T8077] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 138.360796][ T8077] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 138.368772][ T8077] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 138.376752][ T8078] CPU: 1 PID: 8078 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 138.385345][ T8078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.394770][ T8080] FAULT_INJECTION: forcing a failure. [ 138.394770][ T8080] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 138.395487][ T8078] Call Trace: [ 138.412529][ T8078] dump_stack+0x12d/0x187 [ 138.416842][ T8078] should_fail.cold.4+0x5/0x13 [ 138.421745][ T8078] ? do_mount+0x1270/0x1b60 [ 138.426240][ T8078] ? fault_create_debugfs_attr+0x150/0x150 [ 138.432180][ T8078] ? find_held_lock+0x36/0x1d0 [ 138.437064][ T8078] should_fail_alloc_page+0x50/0x60 [ 138.442256][ T8078] __alloc_pages_nodemask+0x17f/0x890 [ 138.447618][ T8078] ? cache_grow_end+0xa8/0x190 [ 138.452368][ T8078] ? __alloc_pages_slowpath+0x2570/0x2570 [ 138.458112][ T8078] ? do_raw_spin_lock+0x132/0x2e0 [ 138.463128][ T8078] cache_grow_begin+0x92/0xca0 [ 138.467874][ T8078] ? __kmalloc+0xc5/0x790 [ 138.472189][ T8078] ? trace_hardirqs_off+0x41/0x1a0 [ 138.477323][ T8078] __kmalloc+0x6cd/0x790 [ 138.481556][ T8078] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 138.486865][ T8078] p9_fcall_init.isra.2+0x55/0x1c0 [ 138.492113][ T8078] p9_client_prepare_req.part.5+0x116/0x670 [ 138.498097][ T8078] p9_client_rpc+0x174/0xe50 [ 138.502676][ T8078] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 138.508483][ T8078] ? p9_client_prepare_req.part.5+0x670/0x670 [ 138.514538][ T8078] ? add_wait_queue+0x107/0x160 [ 138.519380][ T8078] ? p9_pollwait+0x182/0x210 [ 138.523960][ T8078] ? pipe_poll+0x80/0x300 [ 138.528281][ T8078] ? p9_fd_poll+0x19b/0x2a0 [ 138.532773][ T8078] ? p9_conn_create+0x399/0x4e0 [ 138.537611][ T8078] ? p9_conn_create+0x4e0/0x4e0 [ 138.542450][ T8078] p9_client_create+0x7ec/0x10e0 [ 138.547375][ T8078] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 138.553554][ T8078] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.559082][ T8078] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.565390][ T8078] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.571197][ T8078] ? __kmalloc_track_caller+0x60e/0x780 [ 138.576771][ T8078] ? __x64_sys_mount+0x169/0x1c0 [ 138.581865][ T8078] ? do_syscall_64+0xd0/0x600 [ 138.586564][ T8078] ? lockdep_init_map+0x1b6/0x6c0 [ 138.592366][ T8078] v9fs_session_init+0x1ed/0x14c0 [ 138.597407][ T8078] ? v9fs_session_init+0x1ed/0x14c0 [ 138.602676][ T8078] ? find_held_lock+0x36/0x1d0 [ 138.607430][ T8078] ? v9fs_show_options+0x6c0/0x6c0 [ 138.612539][ T8078] ? __kasan_check_read+0x11/0x20 [ 138.617552][ T8078] ? v9fs_mount+0x55/0x7f0 [ 138.622210][ T8078] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.627769][ T8078] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.633816][ T8078] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.639608][ T8078] ? kmem_cache_alloc_trace+0x39e/0x780 [ 138.645148][ T8078] ? apparmor_task_alloc+0x2f0/0x2f0 [ 138.650417][ T8078] v9fs_mount+0x72/0x7f0 [ 138.654643][ T8078] ? v9fs_write_inode+0x50/0x50 [ 138.659475][ T8078] legacy_get_tree+0x103/0x1f0 [ 138.664222][ T8078] vfs_get_tree+0x8b/0x2d0 [ 138.668830][ T8078] ? capable+0x14/0x20 [ 138.672882][ T8078] do_mount+0x1270/0x1b60 [ 138.677194][ T8078] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.682720][ T8078] ? copy_mount_string+0x20/0x20 [ 138.687657][ T8078] ? kmem_cache_alloc_trace+0x39e/0x780 [ 138.693196][ T8078] ? __kasan_check_write+0x14/0x20 [ 138.698286][ T8078] ? _copy_from_user+0xd6/0x110 [ 138.703117][ T8078] ? __kasan_check_read+0x11/0x20 [ 138.708154][ T8078] ? copy_mount_options+0x77/0x2c0 [ 138.713247][ T8078] __x64_sys_mount+0x169/0x1c0 [ 138.717996][ T8078] do_syscall_64+0xd0/0x600 [ 138.722482][ T8078] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 138.728353][ T8078] RIP: 0033:0x458da9 [ 138.732231][ 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 [ 138.751819][ T8078] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 138.760243][ T8078] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 138.768196][ T8078] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 138.776201][ T8078] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 138.784189][ T8078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 138.792193][ T8078] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 138.800167][ T8080] CPU: 0 PID: 8080 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 138.804441][ T8081] FAULT_INJECTION: forcing a failure. [ 138.804441][ T8081] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 138.808755][ T8080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 138.831974][ T8080] Call Trace: [ 138.835254][ T8080] dump_stack+0x12d/0x187 [ 138.839567][ T8080] should_fail.cold.4+0x5/0x13 [ 138.844318][ T8080] ? do_mount+0x1270/0x1b60 [ 138.848807][ T8080] ? fault_create_debugfs_attr+0x150/0x150 [ 138.854606][ T8080] ? find_held_lock+0x36/0x1d0 [ 138.859619][ T8080] should_fail_alloc_page+0x50/0x60 [ 138.864800][ T8080] __alloc_pages_nodemask+0x17f/0x890 [ 138.870160][ T8080] ? cache_grow_end+0xa8/0x190 [ 138.874908][ T8080] ? __alloc_pages_slowpath+0x2570/0x2570 [ 138.880616][ T8080] ? do_raw_spin_lock+0x132/0x2e0 [ 138.885644][ T8080] cache_grow_begin+0x92/0xca0 [ 138.890998][ T8080] ? __kmalloc+0xc5/0x790 [ 138.895309][ T8080] ? trace_hardirqs_off+0x41/0x1a0 [ 138.900403][ T8080] __kmalloc+0x6cd/0x790 [ 138.904628][ T8080] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 138.909913][ T8080] p9_fcall_init.isra.2+0x55/0x1c0 [ 138.915021][ T8080] p9_client_prepare_req.part.5+0x116/0x670 [ 138.920944][ T8080] p9_client_rpc+0x174/0xe50 [ 138.925527][ T8080] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 138.931751][ T8080] ? p9_client_prepare_req.part.5+0x670/0x670 [ 138.937862][ T8080] ? add_wait_queue+0x107/0x160 [ 138.942697][ T8080] ? p9_pollwait+0x182/0x210 [ 138.947412][ T8080] ? pipe_poll+0x80/0x300 [ 138.951744][ T8080] ? p9_fd_poll+0x19b/0x2a0 [ 138.956261][ T8080] ? p9_conn_create+0x399/0x4e0 [ 138.961154][ T8080] ? p9_conn_create+0x4e0/0x4e0 [ 138.965995][ T8080] p9_client_create+0x7ec/0x10e0 [ 138.970940][ T8080] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 138.976989][ T8080] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 138.982513][ T8080] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 138.988559][ T8080] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 138.994384][ T8080] ? __kmalloc_track_caller+0x60e/0x780 [ 138.999913][ T8080] ? __x64_sys_mount+0x169/0x1c0 [ 139.004832][ T8080] ? do_syscall_64+0xd0/0x600 [ 139.009488][ T8080] ? lockdep_init_map+0x1b6/0x6c0 [ 139.014535][ T8080] v9fs_session_init+0x1ed/0x14c0 [ 139.019542][ T8080] ? v9fs_session_init+0x1ed/0x14c0 [ 139.024725][ T8080] ? find_held_lock+0x36/0x1d0 [ 139.029492][ T8080] ? v9fs_show_options+0x6c0/0x6c0 [ 139.034587][ T8080] ? __kasan_check_read+0x11/0x20 [ 139.039592][ T8080] ? v9fs_mount+0x55/0x7f0 [ 139.043998][ T8080] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.049524][ T8080] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.055571][ T8080] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.061359][ T8080] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.066888][ T8080] ? apparmor_task_alloc+0x2f0/0x2f0 [ 139.072246][ T8080] v9fs_mount+0x72/0x7f0 [ 139.076470][ T8080] ? v9fs_write_inode+0x50/0x50 [ 139.082257][ T8080] legacy_get_tree+0x103/0x1f0 [ 139.087003][ T8080] vfs_get_tree+0x8b/0x2d0 [ 139.091398][ T8080] ? capable+0x14/0x20 [ 139.095452][ T8080] do_mount+0x1270/0x1b60 [ 139.099762][ T8080] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.105291][ T8080] ? copy_mount_string+0x20/0x20 [ 139.110215][ T8080] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.115778][ T8080] ? __kasan_check_write+0x14/0x20 [ 139.120878][ T8080] ? _copy_from_user+0xd6/0x110 [ 139.125716][ T8080] ? __kasan_check_read+0x11/0x20 [ 139.130754][ T8080] ? copy_mount_options+0x77/0x2c0 [ 139.135851][ T8080] __x64_sys_mount+0x169/0x1c0 [ 139.140641][ T8080] do_syscall_64+0xd0/0x600 [ 139.145159][ T8080] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.151068][ T8080] RIP: 0033:0x458da9 [ 139.155064][ T8080] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 139.175449][ T8080] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 139.183850][ T8080] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 139.191808][ T8080] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 139.199776][ T8080] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 139.207733][ T8080] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 139.215686][ T8080] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 139.223660][ T8081] CPU: 1 PID: 8081 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 139.232248][ T8081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.242291][ T8081] Call Trace: [ 139.245567][ T8081] dump_stack+0x12d/0x187 [ 139.249968][ T8081] should_fail.cold.4+0x5/0x13 [ 139.254716][ T8081] ? do_mount+0x1270/0x1b60 [ 139.259379][ T8081] ? fault_create_debugfs_attr+0x150/0x150 [ 139.265178][ T8081] ? find_held_lock+0x36/0x1d0 [ 139.269923][ T8081] should_fail_alloc_page+0x50/0x60 [ 139.275103][ T8081] __alloc_pages_nodemask+0x17f/0x890 [ 139.280458][ T8081] ? cache_grow_end+0xa8/0x190 [ 139.285204][ T8081] ? __alloc_pages_slowpath+0x2570/0x2570 [ 139.290907][ T8081] ? do_raw_spin_lock+0x132/0x2e0 [ 139.295948][ T8081] cache_grow_begin+0x92/0xca0 [ 139.300732][ T8081] ? __kmalloc+0xc5/0x790 [ 139.305226][ T8081] ? trace_hardirqs_off+0x41/0x1a0 [ 139.310316][ T8081] __kmalloc+0x6cd/0x790 [ 139.314587][ T8081] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 139.319853][ T8081] p9_fcall_init.isra.2+0x55/0x1c0 [ 139.324986][ T8081] p9_client_prepare_req.part.5+0x116/0x670 [ 139.331034][ T8081] p9_client_rpc+0x174/0xe50 [ 139.335616][ T8081] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 139.341407][ T8081] ? p9_client_prepare_req.part.5+0x670/0x670 [ 139.347460][ T8081] ? add_wait_queue+0x107/0x160 [ 139.352297][ T8081] ? p9_pollwait+0x182/0x210 [ 139.356915][ T8081] ? pipe_poll+0x80/0x300 [ 139.361232][ T8081] ? p9_fd_poll+0x19b/0x2a0 [ 139.365719][ T8081] ? p9_conn_create+0x399/0x4e0 [ 139.370554][ T8081] ? p9_conn_create+0x4e0/0x4e0 [ 139.375406][ T8081] p9_client_create+0x7ec/0x10e0 [ 139.380346][ T8081] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 139.386548][ T8081] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.392118][ T8081] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.398175][ T8081] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.403968][ T8081] ? __kmalloc_track_caller+0x60e/0x780 [ 139.409584][ T8081] ? __x64_sys_mount+0x169/0x1c0 [ 139.414505][ T8081] ? do_syscall_64+0xd0/0x600 [ 139.419162][ T8081] ? lockdep_init_map+0x1b6/0x6c0 [ 139.424173][ T8081] v9fs_session_init+0x1ed/0x14c0 [ 139.429178][ T8081] ? v9fs_session_init+0x1ed/0x14c0 [ 139.434446][ T8081] ? find_held_lock+0x36/0x1d0 [ 139.439193][ T8081] ? v9fs_show_options+0x6c0/0x6c0 [ 139.444284][ T8081] ? __kasan_check_read+0x11/0x20 [ 139.449287][ T8081] ? v9fs_mount+0x55/0x7f0 [ 139.453691][ T8081] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.459217][ T8081] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.465263][ T8081] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.471054][ T8081] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.476582][ T8081] ? apparmor_task_alloc+0x2f0/0x2f0 [ 139.481847][ T8081] v9fs_mount+0x72/0x7f0 [ 139.486088][ T8081] ? v9fs_write_inode+0x50/0x50 [ 139.490943][ T8081] legacy_get_tree+0x103/0x1f0 [ 139.495735][ T8081] vfs_get_tree+0x8b/0x2d0 [ 139.500137][ T8081] ? capable+0x14/0x20 [ 139.504191][ T8081] do_mount+0x1270/0x1b60 [ 139.508661][ T8081] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.514208][ T8081] ? copy_mount_string+0x20/0x20 [ 139.519138][ T8081] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.524671][ T8081] ? __kasan_check_write+0x14/0x20 [ 139.530116][ T8081] ? _copy_from_user+0xd6/0x110 [ 139.534992][ T8081] ? __kasan_check_read+0x11/0x20 [ 139.539994][ T8081] ? copy_mount_options+0x77/0x2c0 [ 139.545094][ T8081] __x64_sys_mount+0x169/0x1c0 [ 139.549842][ T8081] do_syscall_64+0xd0/0x600 [ 139.554330][ T8081] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 139.560226][ T8081] RIP: 0033:0x458da9 [ 139.564109][ T8081] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 139.584350][ T8081] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 139.592763][ T8081] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 2019/12/18 21:49:53 executed programs: 203 [ 139.600723][ T8081] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 139.608684][ T8081] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 139.616863][ T8081] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 139.624853][ T8081] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 139.659169][ T8089] FAULT_INJECTION: forcing a failure. [ 139.659169][ T8089] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 139.672398][ T8089] CPU: 1 PID: 8089 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 139.680985][ T8089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 139.691032][ T8089] Call Trace: [ 139.694313][ T8089] dump_stack+0x12d/0x187 [ 139.698629][ T8089] should_fail.cold.4+0x5/0x13 [ 139.703411][ T8089] ? do_mount+0x1270/0x1b60 [ 139.707934][ T8089] ? fault_create_debugfs_attr+0x150/0x150 [ 139.713723][ T8089] ? find_held_lock+0x36/0x1d0 [ 139.718487][ T8089] should_fail_alloc_page+0x50/0x60 [ 139.723676][ T8089] __alloc_pages_nodemask+0x17f/0x890 [ 139.729135][ T8089] ? cache_grow_end+0xa8/0x190 [ 139.733884][ T8089] ? __alloc_pages_slowpath+0x2570/0x2570 [ 139.739583][ T8089] ? do_raw_spin_lock+0x132/0x2e0 [ 139.744594][ T8089] cache_grow_begin+0x92/0xca0 [ 139.749339][ T8089] ? __kmalloc+0xc5/0x790 [ 139.753653][ T8089] ? trace_hardirqs_off+0x41/0x1a0 [ 139.758751][ T8089] __kmalloc+0x6cd/0x790 [ 139.762975][ T8089] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 139.768242][ T8089] p9_fcall_init.isra.2+0x55/0x1c0 [ 139.773596][ T8089] p9_client_prepare_req.part.5+0x116/0x670 [ 139.779470][ T8089] p9_client_rpc+0x174/0xe50 [ 139.784045][ T8089] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 139.789867][ T8089] ? p9_client_prepare_req.part.5+0x670/0x670 [ 139.795915][ T8089] ? add_wait_queue+0x107/0x160 [ 139.800745][ T8089] ? p9_pollwait+0x182/0x210 [ 139.805313][ T8089] ? pipe_poll+0x80/0x300 [ 139.810318][ T8089] ? p9_fd_poll+0x19b/0x2a0 [ 139.814803][ T8089] ? p9_conn_create+0x399/0x4e0 [ 139.819724][ T8089] ? p9_conn_create+0x4e0/0x4e0 [ 139.824592][ T8089] p9_client_create+0x7ec/0x10e0 [ 139.829513][ T8089] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 139.835562][ T8089] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.841086][ T8089] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.847137][ T8089] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.852930][ T8089] ? __kmalloc_track_caller+0x60e/0x780 [ 139.858456][ T8089] ? __x64_sys_mount+0x169/0x1c0 [ 139.863378][ T8089] ? do_syscall_64+0xd0/0x600 [ 139.868036][ T8089] ? lockdep_init_map+0x1b6/0x6c0 [ 139.873045][ T8089] v9fs_session_init+0x1ed/0x14c0 [ 139.878055][ T8089] ? v9fs_session_init+0x1ed/0x14c0 [ 139.883232][ T8089] ? find_held_lock+0x36/0x1d0 [ 139.887979][ T8089] ? v9fs_show_options+0x6c0/0x6c0 [ 139.893071][ T8089] ? __kasan_check_read+0x11/0x20 [ 139.898076][ T8089] ? v9fs_mount+0x55/0x7f0 [ 139.902523][ T8089] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.908051][ T8089] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 139.914108][ T8089] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 139.919896][ T8089] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.925514][ T8089] ? apparmor_task_alloc+0x2f0/0x2f0 [ 139.930780][ T8089] v9fs_mount+0x72/0x7f0 [ 139.935013][ T8089] ? v9fs_write_inode+0x50/0x50 [ 139.939878][ T8089] legacy_get_tree+0x103/0x1f0 [ 139.944622][ T8089] vfs_get_tree+0x8b/0x2d0 [ 139.949017][ T8089] ? capable+0x14/0x20 [ 139.953108][ T8089] do_mount+0x1270/0x1b60 [ 139.957423][ T8089] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 139.962950][ T8089] ? copy_mount_string+0x20/0x20 [ 139.967871][ T8089] ? kmem_cache_alloc_trace+0x39e/0x780 [ 139.973401][ T8089] ? __kasan_check_write+0x14/0x20 [ 139.978534][ T8089] ? _copy_from_user+0xd6/0x110 [ 139.983369][ T8089] ? __kasan_check_read+0x11/0x20 [ 139.988376][ T8089] ? copy_mount_options+0x77/0x2c0 [ 139.993469][ T8089] __x64_sys_mount+0x169/0x1c0 [ 139.998230][ T8089] do_syscall_64+0xd0/0x600 [ 140.002721][ T8089] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.008592][ T8089] RIP: 0033:0x458da9 [ 140.012609][ T8089] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 140.032398][ T8089] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 140.040798][ T8089] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 140.048767][ T8089] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 140.057545][ T8089] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 140.065499][ T8089] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 140.073453][ T8089] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 140.121061][ T8097] FAULT_INJECTION: forcing a failure. [ 140.121061][ T8097] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 140.134814][ T8097] CPU: 1 PID: 8097 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 140.143487][ T8097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.153547][ T8097] Call Trace: [ 140.156863][ T8097] dump_stack+0x12d/0x187 [ 140.157327][ T8100] FAULT_INJECTION: forcing a failure. [ 140.157327][ T8100] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 140.161198][ T8097] should_fail.cold.4+0x5/0x13 [ 140.180331][ T8097] ? do_mount+0x1270/0x1b60 [ 140.184825][ T8097] ? fault_create_debugfs_attr+0x150/0x150 [ 140.190818][ T8097] ? find_held_lock+0x36/0x1d0 [ 140.195570][ T8097] should_fail_alloc_page+0x50/0x60 [ 140.200754][ T8097] __alloc_pages_nodemask+0x17f/0x890 [ 140.206110][ T8097] ? cache_grow_end+0xa8/0x190 [ 140.210855][ T8097] ? __alloc_pages_slowpath+0x2570/0x2570 [ 140.216563][ T8097] ? do_raw_spin_lock+0x132/0x2e0 [ 140.221662][ T8097] cache_grow_begin+0x92/0xca0 [ 140.226402][ T8097] ? __kmalloc+0xc5/0x790 [ 140.230719][ T8097] ? trace_hardirqs_off+0x41/0x1a0 [ 140.235815][ T8097] __kmalloc+0x6cd/0x790 [ 140.240041][ T8097] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 140.245310][ T8097] p9_fcall_init.isra.2+0x55/0x1c0 [ 140.250400][ T8097] p9_client_prepare_req.part.5+0x116/0x670 [ 140.256277][ T8097] p9_client_rpc+0x174/0xe50 [ 140.260853][ T8097] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 140.266639][ T8097] ? p9_client_prepare_req.part.5+0x670/0x670 [ 140.272689][ T8097] ? add_wait_queue+0x107/0x160 [ 140.277545][ T8097] ? p9_pollwait+0x182/0x210 [ 140.282150][ T8097] ? pipe_poll+0x80/0x300 [ 140.286464][ T8097] ? p9_fd_poll+0x19b/0x2a0 [ 140.290948][ T8097] ? p9_conn_create+0x399/0x4e0 [ 140.295782][ T8097] ? p9_conn_create+0x4e0/0x4e0 [ 140.300620][ T8097] p9_client_create+0x7ec/0x10e0 [ 140.306575][ T8097] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 140.312638][ T8097] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.318187][ T8097] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.324383][ T8097] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.330180][ T8097] ? __kmalloc_track_caller+0x60e/0x780 [ 140.335725][ T8097] ? __x64_sys_mount+0x169/0x1c0 [ 140.340654][ T8097] ? do_syscall_64+0xd0/0x600 [ 140.345309][ T8097] ? lockdep_init_map+0x1b6/0x6c0 [ 140.350341][ T8097] v9fs_session_init+0x1ed/0x14c0 [ 140.356571][ T8097] ? v9fs_session_init+0x1ed/0x14c0 [ 140.361797][ T8097] ? find_held_lock+0x36/0x1d0 [ 140.366544][ T8097] ? v9fs_show_options+0x6c0/0x6c0 [ 140.371669][ T8097] ? __kasan_check_read+0x11/0x20 [ 140.376674][ T8097] ? v9fs_mount+0x55/0x7f0 [ 140.381076][ T8097] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.386599][ T8097] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.392663][ T8097] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.398469][ T8097] ? kmem_cache_alloc_trace+0x39e/0x780 [ 140.403996][ T8097] ? apparmor_task_alloc+0x2f0/0x2f0 [ 140.409296][ T8097] v9fs_mount+0x72/0x7f0 [ 140.413523][ T8097] ? v9fs_write_inode+0x50/0x50 [ 140.418356][ T8097] legacy_get_tree+0x103/0x1f0 [ 140.423099][ T8097] vfs_get_tree+0x8b/0x2d0 [ 140.427497][ T8097] ? capable+0x14/0x20 [ 140.431551][ T8097] do_mount+0x1270/0x1b60 [ 140.435863][ T8097] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.441389][ T8097] ? copy_mount_string+0x20/0x20 [ 140.446327][ T8097] ? kmem_cache_alloc_trace+0x39e/0x780 [ 140.451951][ T8097] ? __kasan_check_write+0x14/0x20 [ 140.457051][ T8097] ? _copy_from_user+0xd6/0x110 [ 140.461891][ T8097] ? __kasan_check_read+0x11/0x20 [ 140.466900][ T8097] ? copy_mount_options+0x77/0x2c0 [ 140.472952][ T8097] __x64_sys_mount+0x169/0x1c0 [ 140.477703][ T8097] do_syscall_64+0xd0/0x600 [ 140.482189][ T8097] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.488062][ T8097] RIP: 0033:0x458da9 [ 140.492925][ T8097] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 140.512597][ T8097] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 140.520988][ T8097] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 140.528943][ T8097] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 140.536898][ T8097] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 140.544852][ T8097] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 140.552806][ T8097] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 140.560904][ T8100] CPU: 0 PID: 8100 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 140.569494][ T8100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 140.569501][ T8100] Call Trace: [ 140.582846][ T8100] dump_stack+0x12d/0x187 [ 140.585053][ T8096] FAULT_INJECTION: forcing a failure. [ 140.585053][ T8096] name failslab, interval 1, probability 0, space 0, times 0 [ 140.587172][ T8100] should_fail.cold.4+0x5/0x13 [ 140.587179][ T8100] ? do_mount+0x1270/0x1b60 [ 140.587186][ T8100] ? fault_create_debugfs_attr+0x150/0x150 [ 140.587200][ T8100] ? find_held_lock+0x36/0x1d0 [ 140.605650][ T8104] FAULT_INJECTION: forcing a failure. [ 140.605650][ T8104] name failslab, interval 1, probability 0, space 0, times 0 [ 140.609662][ T8100] should_fail_alloc_page+0x50/0x60 [ 140.609668][ T8100] __alloc_pages_nodemask+0x17f/0x890 [ 140.609677][ T8100] ? cache_grow_end+0xa8/0x190 [ 140.620389][ T8100] ? __alloc_pages_slowpath+0x2570/0x2570 [ 140.653920][ T8100] ? do_raw_spin_lock+0x132/0x2e0 [ 140.658935][ T8100] cache_grow_begin+0x92/0xca0 [ 140.663686][ T8100] ? __kmalloc+0xc5/0x790 [ 140.668022][ T8100] ? trace_hardirqs_off+0x41/0x1a0 [ 140.673255][ T8100] __kmalloc+0x6cd/0x790 [ 140.677503][ T8100] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 140.682787][ T8100] p9_fcall_init.isra.2+0x55/0x1c0 [ 140.687899][ T8100] p9_client_prepare_req.part.5+0x116/0x670 [ 140.693793][ T8100] p9_client_rpc+0x174/0xe50 [ 140.698532][ T8100] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 140.704331][ T8100] ? p9_client_prepare_req.part.5+0x670/0x670 [ 140.710386][ T8100] ? add_wait_queue+0x107/0x160 [ 140.715230][ T8100] ? p9_pollwait+0x182/0x210 [ 140.719806][ T8100] ? pipe_poll+0x80/0x300 [ 140.724127][ T8100] ? p9_fd_poll+0x19b/0x2a0 [ 140.728615][ T8100] ? p9_conn_create+0x399/0x4e0 [ 140.733455][ T8100] ? p9_conn_create+0x4e0/0x4e0 [ 140.738818][ T8100] ? kfree+0x23a/0x2c0 [ 140.742877][ T8100] p9_client_create+0x7ec/0x10e0 [ 140.747886][ T8100] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 140.754032][ T8100] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.759573][ T8100] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.765620][ T8100] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.771416][ T8100] ? __kmalloc_track_caller+0x60e/0x780 [ 140.776943][ T8100] ? __x64_sys_mount+0x169/0x1c0 [ 140.781864][ T8100] ? do_syscall_64+0xd0/0x600 [ 140.786523][ T8100] ? lockdep_init_map+0x1b6/0x6c0 [ 140.791764][ T8100] v9fs_session_init+0x1ed/0x14c0 [ 140.796773][ T8100] ? v9fs_session_init+0x1ed/0x14c0 [ 140.801956][ T8100] ? find_held_lock+0x36/0x1d0 [ 140.806708][ T8100] ? v9fs_show_options+0x6c0/0x6c0 [ 140.811801][ T8100] ? __kasan_check_read+0x11/0x20 [ 140.816840][ T8100] ? v9fs_mount+0x55/0x7f0 [ 140.821242][ T8100] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.826769][ T8100] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 140.832903][ T8100] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 140.838706][ T8100] ? kmem_cache_alloc_trace+0x39e/0x780 [ 140.844247][ T8100] ? apparmor_task_alloc+0x2f0/0x2f0 [ 140.850472][ T8100] v9fs_mount+0x72/0x7f0 [ 140.854700][ T8100] ? v9fs_write_inode+0x50/0x50 [ 140.859594][ T8100] legacy_get_tree+0x103/0x1f0 [ 140.864348][ T8100] vfs_get_tree+0x8b/0x2d0 [ 140.869699][ T8100] ? capable+0x14/0x20 [ 140.873751][ T8100] do_mount+0x1270/0x1b60 [ 140.878078][ T8100] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 140.883605][ T8100] ? copy_mount_string+0x20/0x20 [ 140.888532][ T8100] ? kmem_cache_alloc_trace+0x39e/0x780 [ 140.894062][ T8100] ? __kasan_check_write+0x14/0x20 [ 140.899168][ T8100] ? _copy_from_user+0xd6/0x110 [ 140.904035][ T8100] ? __kasan_check_read+0x11/0x20 [ 140.909041][ T8100] ? copy_mount_options+0x77/0x2c0 [ 140.914143][ T8100] __x64_sys_mount+0x169/0x1c0 [ 140.918897][ T8100] do_syscall_64+0xd0/0x600 [ 140.923394][ T8100] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 140.929267][ T8100] RIP: 0033:0x458da9 [ 140.933150][ T8100] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 140.953537][ T8100] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 140.961930][ T8100] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 140.969897][ T8100] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 140.977860][ T8100] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 140.985814][ T8100] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 140.993770][ T8100] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 141.001746][ T8104] CPU: 1 PID: 8104 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 141.010336][ T8104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.020396][ T8104] Call Trace: [ 141.022779][ T8108] FAULT_INJECTION: forcing a failure. [ 141.022779][ T8108] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 141.023686][ T8104] dump_stack+0x12d/0x187 [ 141.042127][ T8104] should_fail.cold.4+0x5/0x13 [ 141.046983][ T8104] ? fault_create_debugfs_attr+0x150/0x150 [ 141.052771][ T8104] ? ___might_sleep+0x16b/0x2b0 [ 141.057603][ T8104] __should_failslab+0xba/0xf0 [ 141.062346][ T8104] should_failslab+0x9/0x14 [ 141.066831][ T8104] __kmalloc+0x2eb/0x790 [ 141.071057][ T8104] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 141.076323][ T8104] p9_fcall_init.isra.2+0x55/0x1c0 [ 141.081420][ T8104] p9_client_prepare_req.part.5+0x116/0x670 [ 141.087480][ T8104] p9_client_rpc+0x174/0xe50 [ 141.092057][ T8104] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 141.097860][ T8104] ? p9_client_prepare_req.part.5+0x670/0x670 [ 141.103923][ T8104] ? add_wait_queue+0x107/0x160 [ 141.108767][ T8104] ? p9_pollwait+0x182/0x210 [ 141.113353][ T8104] ? pipe_poll+0x80/0x300 [ 141.117689][ T8104] ? p9_fd_poll+0x19b/0x2a0 [ 141.122190][ T8104] ? p9_conn_create+0x399/0x4e0 [ 141.127040][ T8104] ? p9_conn_create+0x4e0/0x4e0 [ 141.131902][ T8104] p9_client_create+0x7ec/0x10e0 [ 141.136931][ T8104] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 141.143158][ T8104] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.148911][ T8104] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.155137][ T8104] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.162084][ T8104] ? __kmalloc_track_caller+0x60e/0x780 [ 141.167637][ T8104] ? __x64_sys_mount+0x169/0x1c0 [ 141.172563][ T8104] ? do_syscall_64+0xd0/0x600 [ 141.177235][ T8104] ? lockdep_init_map+0x1b6/0x6c0 [ 141.182264][ T8104] v9fs_session_init+0x1ed/0x14c0 [ 141.187430][ T8104] ? v9fs_session_init+0x1ed/0x14c0 [ 141.192804][ T8104] ? find_held_lock+0x36/0x1d0 [ 141.197571][ T8104] ? v9fs_show_options+0x6c0/0x6c0 [ 141.202673][ T8104] ? __kasan_check_read+0x11/0x20 [ 141.207697][ T8104] ? v9fs_mount+0x55/0x7f0 [ 141.212188][ T8104] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.217734][ T8104] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.224283][ T8104] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.230254][ T8104] ? kmem_cache_alloc_trace+0x39e/0x780 [ 141.235850][ T8104] ? apparmor_task_alloc+0x2f0/0x2f0 [ 141.241306][ T8104] v9fs_mount+0x72/0x7f0 [ 141.245638][ T8104] ? v9fs_write_inode+0x50/0x50 [ 141.250484][ T8104] legacy_get_tree+0x103/0x1f0 [ 141.255284][ T8104] vfs_get_tree+0x8b/0x2d0 [ 141.259825][ T8104] ? capable+0x14/0x20 [ 141.264015][ T8104] do_mount+0x1270/0x1b60 [ 141.268341][ T8104] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.273911][ T8104] ? copy_mount_string+0x20/0x20 [ 141.278852][ T8104] ? kmem_cache_alloc_trace+0x39e/0x780 [ 141.284527][ T8104] ? __kasan_check_write+0x14/0x20 [ 141.289640][ T8104] ? __kasan_check_read+0x11/0x20 [ 141.294660][ T8104] ? copy_mount_options+0x77/0x2c0 [ 141.299776][ T8104] __x64_sys_mount+0x169/0x1c0 [ 141.304534][ T8104] do_syscall_64+0xd0/0x600 [ 141.309080][ T8104] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 141.315583][ T8104] RIP: 0033:0x458da9 [ 141.319469][ T8104] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 141.339075][ T8104] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.347568][ T8104] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 141.355530][ T8104] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 141.363574][ T8104] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 141.371530][ T8104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 141.379490][ T8104] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 141.387467][ T8108] CPU: 0 PID: 8108 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 141.396059][ T8108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.406157][ T8108] Call Trace: [ 141.409439][ T8108] dump_stack+0x12d/0x187 [ 141.413756][ T8108] should_fail.cold.4+0x5/0x13 [ 141.418505][ T8108] ? do_mount+0x1270/0x1b60 [ 141.422993][ T8108] ? fault_create_debugfs_attr+0x150/0x150 [ 141.428782][ T8108] ? find_held_lock+0x36/0x1d0 [ 141.433535][ T8108] should_fail_alloc_page+0x50/0x60 [ 141.438717][ T8108] __alloc_pages_nodemask+0x17f/0x890 [ 141.444120][ T8108] ? cache_grow_end+0xa8/0x190 [ 141.448869][ T8108] ? __alloc_pages_slowpath+0x2570/0x2570 [ 141.454633][ T8108] ? do_raw_spin_lock+0x132/0x2e0 [ 141.459652][ T8108] cache_grow_begin+0x92/0xca0 [ 141.464397][ T8108] ? __kmalloc+0xc5/0x790 [ 141.468705][ T8108] ? trace_hardirqs_off+0x41/0x1a0 [ 141.473801][ T8108] __kmalloc+0x6cd/0x790 [ 141.478115][ T8108] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 141.483381][ T8108] p9_fcall_init.isra.2+0x55/0x1c0 [ 141.488473][ T8108] p9_client_prepare_req.part.5+0x116/0x670 [ 141.494399][ T8108] p9_client_rpc+0x174/0xe50 [ 141.498974][ T8108] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 141.504761][ T8108] ? p9_client_prepare_req.part.5+0x670/0x670 [ 141.510813][ T8108] ? add_wait_queue+0x107/0x160 [ 141.515661][ T8108] ? p9_pollwait+0x182/0x210 [ 141.521025][ T8108] ? pipe_poll+0x80/0x300 [ 141.525349][ T8108] ? p9_fd_poll+0x19b/0x2a0 [ 141.529842][ T8108] ? p9_conn_create+0x399/0x4e0 [ 141.534686][ T8108] ? p9_conn_create+0x4e0/0x4e0 [ 141.539526][ T8108] p9_client_create+0x7ec/0x10e0 [ 141.544532][ T8108] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 141.550596][ T8108] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.556128][ T8108] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.562266][ T8108] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.568175][ T8108] ? __kmalloc_track_caller+0x60e/0x780 [ 141.573795][ T8108] ? __x64_sys_mount+0x169/0x1c0 [ 141.578713][ T8108] ? do_syscall_64+0xd0/0x600 [ 141.583372][ T8108] ? lockdep_init_map+0x1b6/0x6c0 [ 141.588388][ T8108] v9fs_session_init+0x1ed/0x14c0 [ 141.593396][ T8108] ? v9fs_session_init+0x1ed/0x14c0 [ 141.598586][ T8108] ? find_held_lock+0x36/0x1d0 [ 141.603338][ T8108] ? v9fs_show_options+0x6c0/0x6c0 [ 141.608438][ T8108] ? __kasan_check_read+0x11/0x20 [ 141.613448][ T8108] ? v9fs_mount+0x55/0x7f0 [ 141.617911][ T8108] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.623476][ T8108] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 141.629527][ T8108] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 141.635334][ T8108] ? kmem_cache_alloc_trace+0x39e/0x780 [ 141.642994][ T8108] ? apparmor_task_alloc+0x2f0/0x2f0 [ 141.648270][ T8108] v9fs_mount+0x72/0x7f0 [ 141.652507][ T8108] ? v9fs_write_inode+0x50/0x50 [ 141.657453][ T8108] legacy_get_tree+0x103/0x1f0 [ 141.662213][ T8108] vfs_get_tree+0x8b/0x2d0 [ 141.666620][ T8108] ? capable+0x14/0x20 [ 141.670708][ T8108] do_mount+0x1270/0x1b60 [ 141.675026][ T8108] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.675033][ T8108] ? copy_mount_string+0x20/0x20 [ 141.675048][ T8108] ? kmem_cache_alloc_trace+0x39e/0x780 [ 141.675054][ T8108] ? __kasan_check_write+0x14/0x20 [ 141.675061][ T8108] ? _copy_from_user+0xd6/0x110 [ 141.675069][ T8108] ? __kasan_check_read+0x11/0x20 [ 141.675073][ T8108] ? copy_mount_options+0x77/0x2c0 [ 141.675080][ T8108] __x64_sys_mount+0x169/0x1c0 [ 141.675090][ T8108] do_syscall_64+0xd0/0x600 [ 141.711274][ T8113] FAULT_INJECTION: forcing a failure. [ 141.711274][ T8113] name failslab, interval 1, probability 0, space 0, times 0 [ 141.711527][ T8108] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 141.739259][ T8108] RIP: 0033:0x458da9 [ 141.743190][ 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 [ 141.763984][ T8108] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 141.772377][ T8108] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 141.780472][ T8108] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 141.788439][ T8108] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 141.796402][ T8108] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 141.804359][ T8108] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 141.812334][ T8113] CPU: 1 PID: 8113 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 141.821879][ T8113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 141.832044][ T8113] Call Trace: [ 141.835320][ T8113] dump_stack+0x12d/0x187 [ 141.839636][ T8113] should_fail.cold.4+0x5/0x13 [ 141.844385][ T8113] ? fault_create_debugfs_attr+0x150/0x150 [ 141.850175][ T8113] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 141.856767][ T8113] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 141.862298][ T8113] __should_failslab+0xba/0xf0 [ 141.867044][ T8113] should_failslab+0x9/0x14 [ 141.871528][ T8113] kmem_cache_alloc+0x47/0x750 [ 141.876284][ T8113] ? __x64_sys_mount+0x169/0x1c0 [ 141.881218][ T8113] ? do_syscall_64+0xd0/0x600 [ 141.885888][ T8113] ? v9fs_session_init+0x1ed/0x14c0 [ 141.885893][ T8113] ? v9fs_mount+0x72/0x7f0 [ 141.885899][ T8113] ? legacy_get_tree+0x103/0x1f0 [ 141.885906][ T8113] ? vfs_get_tree+0x8b/0x2d0 [ 141.885917][ T8113] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 141.885926][ T8113] idr_get_free+0x35d/0x880 [ 141.885941][ T8113] idr_alloc_u32+0x13a/0x330 [ 141.885949][ T8113] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 141.885956][ T8113] ? mark_held_locks+0x130/0x130 [ 141.885966][ T8113] ? __kasan_check_write+0x14/0x20 [ 141.885972][ T8113] ? do_raw_spin_lock+0x132/0x2e0 [ 141.885980][ T8113] idr_alloc+0x7d/0xc0 [ 141.885986][ T8113] ? idr_alloc_u32+0x330/0x330 [ 141.886000][ T8113] p9_client_prepare_req.part.5+0x571/0x670 [ 141.886016][ T8113] p9_client_rpc+0x174/0xe50 [ 141.886026][ T8113] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 141.886032][ T8113] ? p9_client_prepare_req.part.5+0x670/0x670 [ 141.886039][ T8113] ? add_wait_queue+0x107/0x160 [ 141.886047][ T8113] ? p9_pollwait+0x182/0x210 [ 141.886055][ T8113] ? pipe_poll+0x80/0x300 [ 141.886064][ T8113] ? p9_fd_poll+0x19b/0x2a0 [ 141.886075][ T8113] ? p9_conn_create+0x399/0x4e0 [ 141.897092][ T8118] FAULT_INJECTION: forcing a failure. [ 141.897092][ T8118] name failslab, interval 1, probability 0, space 0, times 0 [ 141.900602][ T8113] ? p9_conn_create+0x4e0/0x4e0 [ 142.015892][ T8113] p9_client_create+0x7ec/0x10e0 [ 142.020815][ T8113] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 142.026860][ T8113] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.032389][ T8113] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.038435][ T8113] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.044227][ T8113] ? __kmalloc_track_caller+0x60e/0x780 [ 142.049750][ T8113] ? __x64_sys_mount+0x169/0x1c0 [ 142.054669][ T8113] ? do_syscall_64+0xd0/0x600 [ 142.059327][ T8113] ? lockdep_init_map+0x1b6/0x6c0 [ 142.064472][ T8113] v9fs_session_init+0x1ed/0x14c0 [ 142.069477][ T8113] ? v9fs_session_init+0x1ed/0x14c0 [ 142.074660][ T8113] ? find_held_lock+0x36/0x1d0 [ 142.079409][ T8113] ? v9fs_show_options+0x6c0/0x6c0 [ 142.084498][ T8113] ? __kasan_check_read+0x11/0x20 [ 142.089543][ T8113] ? v9fs_mount+0x55/0x7f0 [ 142.093943][ T8113] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.099471][ T8113] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.105515][ T8113] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.111304][ T8113] ? kmem_cache_alloc_trace+0x39e/0x780 [ 142.116829][ T8113] ? apparmor_task_alloc+0x2f0/0x2f0 [ 142.122094][ T8113] v9fs_mount+0x72/0x7f0 [ 142.126317][ T8113] ? v9fs_write_inode+0x50/0x50 [ 142.131148][ T8113] legacy_get_tree+0x103/0x1f0 [ 142.135896][ T8113] vfs_get_tree+0x8b/0x2d0 [ 142.140292][ T8113] ? capable+0x14/0x20 [ 142.144342][ T8113] do_mount+0x1270/0x1b60 [ 142.148655][ T8113] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.154360][ T8113] ? copy_mount_string+0x20/0x20 [ 142.159297][ T8113] ? kmem_cache_alloc_trace+0x39e/0x780 [ 142.164834][ T8113] ? __kasan_check_write+0x14/0x20 [ 142.169943][ T8113] ? _copy_from_user+0xd6/0x110 [ 142.174780][ T8113] ? __kasan_check_read+0x11/0x20 [ 142.180829][ T8113] ? copy_mount_options+0x77/0x2c0 [ 142.185929][ T8113] __x64_sys_mount+0x169/0x1c0 [ 142.190687][ T8113] do_syscall_64+0xd0/0x600 [ 142.195186][ T8113] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.201060][ T8113] RIP: 0033:0x458da9 [ 142.204988][ T8113] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 142.224579][ T8113] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.232978][ T8113] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 142.240931][ T8113] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 142.248882][ T8113] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 142.256835][ T8113] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 142.265484][ T8113] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 142.273549][ T8118] CPU: 0 PID: 8118 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 142.282225][ T8118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.292368][ T8118] Call Trace: [ 142.295645][ T8118] dump_stack+0x12d/0x187 [ 142.299959][ T8118] should_fail.cold.4+0x5/0x13 [ 142.304790][ T8118] ? fault_create_debugfs_attr+0x150/0x150 [ 142.310597][ T8118] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.317279][ T8118] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.322810][ T8118] __should_failslab+0xba/0xf0 [ 142.328542][ T8118] should_failslab+0x9/0x14 [ 142.333078][ T8118] kmem_cache_alloc+0x47/0x750 [ 142.337831][ T8118] ? __x64_sys_mount+0x169/0x1c0 [ 142.342764][ T8118] ? do_syscall_64+0xd0/0x600 [ 142.347427][ T8118] ? v9fs_session_init+0x1ed/0x14c0 [ 142.352671][ T8118] ? v9fs_mount+0x72/0x7f0 [ 142.357088][ T8118] ? legacy_get_tree+0x103/0x1f0 [ 142.363068][ T8118] ? vfs_get_tree+0x8b/0x2d0 [ 142.367645][ T8118] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 142.374043][ T8118] idr_get_free+0x35d/0x880 [ 142.378708][ T8118] idr_alloc_u32+0x13a/0x330 [ 142.383385][ T8118] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 142.388910][ T8118] ? mark_held_locks+0x130/0x130 [ 142.393833][ T8118] ? __kasan_check_write+0x14/0x20 [ 142.398940][ T8118] ? do_raw_spin_lock+0x132/0x2e0 [ 142.403947][ T8118] idr_alloc+0x7d/0xc0 [ 142.407995][ T8118] ? idr_alloc_u32+0x330/0x330 [ 142.412788][ T8118] p9_client_prepare_req.part.5+0x571/0x670 [ 142.418665][ T8118] p9_client_rpc+0x174/0xe50 [ 142.423241][ T8118] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 142.429026][ T8118] ? p9_client_prepare_req.part.5+0x670/0x670 [ 142.435073][ T8118] ? add_wait_queue+0x107/0x160 [ 142.439913][ T8118] ? p9_pollwait+0x182/0x210 [ 142.444494][ T8118] ? pipe_poll+0x80/0x300 [ 142.448807][ T8118] ? p9_fd_poll+0x19b/0x2a0 [ 142.453295][ T8118] ? p9_conn_create+0x399/0x4e0 [ 142.458129][ T8118] ? p9_conn_create+0x4e0/0x4e0 [ 142.462968][ T8118] p9_client_create+0x7ec/0x10e0 [ 142.467901][ T8118] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 142.473981][ T8118] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.479506][ T8118] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.485554][ T8118] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.491344][ T8118] ? __kmalloc_track_caller+0x60e/0x780 [ 142.496871][ T8118] ? __x64_sys_mount+0x169/0x1c0 [ 142.501875][ T8118] ? do_syscall_64+0xd0/0x600 [ 142.506531][ T8118] ? lockdep_init_map+0x1b6/0x6c0 [ 142.511545][ T8118] v9fs_session_init+0x1ed/0x14c0 [ 142.516552][ T8118] ? v9fs_session_init+0x1ed/0x14c0 [ 142.521733][ T8118] ? find_held_lock+0x36/0x1d0 [ 142.526535][ T8118] ? v9fs_show_options+0x6c0/0x6c0 [ 142.531636][ T8118] ? __kasan_check_read+0x11/0x20 [ 142.536648][ T8118] ? v9fs_mount+0x55/0x7f0 [ 142.541042][ T8118] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.546572][ T8118] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.552625][ T8118] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.558413][ T8118] ? kmem_cache_alloc_trace+0x39e/0x780 [ 142.564027][ T8118] ? apparmor_task_alloc+0x2f0/0x2f0 [ 142.569292][ T8118] v9fs_mount+0x72/0x7f0 [ 142.573518][ T8118] ? v9fs_write_inode+0x50/0x50 [ 142.578359][ T8118] legacy_get_tree+0x103/0x1f0 [ 142.583277][ T8118] vfs_get_tree+0x8b/0x2d0 [ 142.587690][ T8118] ? capable+0x14/0x20 [ 142.591881][ T8118] do_mount+0x1270/0x1b60 [ 142.596209][ T8118] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 142.601652][ T8118] ? copy_mount_string+0x20/0x20 [ 142.606919][ T8118] ? retint_kernel+0x2b/0x2b [ 142.611496][ T8118] ? copy_mount_options+0x1a8/0x2c0 [ 142.616891][ T8118] __x64_sys_mount+0x169/0x1c0 [ 142.621649][ T8118] do_syscall_64+0xd0/0x600 [ 142.626146][ T8118] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 142.632122][ T8118] RIP: 0033:0x458da9 [ 142.636005][ 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 [ 142.655737][ T8118] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 142.664131][ T8118] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 142.672086][ T8118] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 142.680998][ T8118] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 142.688957][ T8118] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 142.696914][ T8118] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 142.704887][ T8096] CPU: 1 PID: 8096 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 142.713585][ T8096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 142.713589][ T8096] Call Trace: [ 142.713600][ T8096] dump_stack+0x12d/0x187 [ 142.713611][ T8096] should_fail.cold.4+0x5/0x13 [ 142.713618][ T8096] ? fault_create_debugfs_attr+0x150/0x150 [ 142.713627][ T8096] ? ___might_sleep+0x16b/0x2b0 [ 142.713637][ T8096] __should_failslab+0xba/0xf0 [ 142.713644][ T8096] should_failslab+0x9/0x14 [ 142.713650][ T8096] __kmalloc+0x2eb/0x790 [ 142.713660][ T8096] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 142.713669][ T8096] p9_fcall_init.isra.2+0x55/0x1c0 [ 142.713677][ T8096] p9_client_prepare_req.part.5+0x116/0x670 [ 142.713687][ T8096] p9_client_rpc+0x174/0xe50 [ 142.713696][ T8096] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 142.713702][ T8096] ? p9_client_prepare_req.part.5+0x670/0x670 [ 142.713708][ T8096] ? add_wait_queue+0x107/0x160 [ 142.713717][ T8096] ? p9_pollwait+0x182/0x210 [ 142.713725][ T8096] ? pipe_poll+0x80/0x300 [ 142.713734][ T8096] ? p9_fd_poll+0x19b/0x2a0 [ 142.713741][ T8096] ? p9_conn_create+0x399/0x4e0 [ 142.713750][ T8096] ? p9_conn_create+0x4e0/0x4e0 [ 142.713763][ T8096] p9_client_create+0x7ec/0x10e0 [ 142.713775][ T8096] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 142.713781][ T8096] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.713787][ T8096] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.713792][ T8096] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.713802][ T8096] ? __kmalloc_track_caller+0x60e/0x780 [ 142.713809][ T8096] ? __x64_sys_mount+0x169/0x1c0 [ 142.713815][ T8096] ? do_syscall_64+0xd0/0x600 [ 142.713819][ T8096] ? lockdep_init_map+0x1b6/0x6c0 [ 142.713833][ T8096] v9fs_session_init+0x1ed/0x14c0 [ 142.713838][ T8096] ? v9fs_session_init+0x1ed/0x14c0 [ 142.713847][ T8096] ? find_held_lock+0x36/0x1d0 [ 142.713858][ T8096] ? v9fs_show_options+0x6c0/0x6c0 [ 142.713863][ T8096] ? __kasan_check_read+0x11/0x20 [ 142.713871][ T8096] ? v9fs_mount+0x55/0x7f0 [ 142.725991][ T8119] FAULT_INJECTION: forcing a failure. [ 142.725991][ T8119] name failslab, interval 1, probability 0, space 0, times 0 [ 142.727405][ T8096] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.918828][ T8096] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 142.924878][ T8096] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 142.930700][ T8096] ? kmem_cache_alloc_trace+0x39e/0x780 [ 142.936265][ T8096] ? apparmor_task_alloc+0x2f0/0x2f0 [ 142.942526][ T8096] v9fs_mount+0x72/0x7f0 [ 142.946754][ T8096] ? v9fs_write_inode+0x50/0x50 [ 142.951631][ T8096] legacy_get_tree+0x103/0x1f0 [ 142.956376][ T8096] vfs_get_tree+0x8b/0x2d0 [ 142.960772][ T8096] ? capable+0x14/0x20 [ 142.964825][ T8096] do_mount+0x1270/0x1b60 [ 142.969396][ T8096] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 142.974925][ T8096] ? copy_mount_string+0x20/0x20 [ 142.979848][ T8096] ? kmem_cache_alloc_trace+0x39e/0x780 [ 142.985377][ T8096] ? __kasan_check_write+0x14/0x20 [ 142.990485][ T8096] ? __kasan_check_read+0x11/0x20 [ 142.995502][ T8096] ? copy_mount_options+0x77/0x2c0 [ 143.000617][ T8096] __x64_sys_mount+0x169/0x1c0 [ 143.006060][ T8096] do_syscall_64+0xd0/0x600 [ 143.010549][ T8096] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.016432][ T8096] RIP: 0033:0x458da9 [ 143.020309][ T8096] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 143.039928][ T8096] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.048321][ T8096] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 143.056281][ T8096] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 143.064323][ T8096] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 143.072277][ T8096] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 143.080228][ T8096] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 143.088203][ T8119] CPU: 0 PID: 8119 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 143.096952][ T8119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.106347][ T8126] FAULT_INJECTION: forcing a failure. [ 143.106347][ T8126] name failslab, interval 1, probability 0, space 0, times 0 [ 143.107004][ T8119] Call Trace: [ 143.122846][ T8119] dump_stack+0x12d/0x187 [ 143.127161][ T8119] should_fail.cold.4+0x5/0x13 [ 143.131911][ T8119] ? fault_create_debugfs_attr+0x150/0x150 [ 143.137696][ T8119] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 143.145224][ T8119] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.150752][ T8119] __should_failslab+0xba/0xf0 [ 143.156451][ T8119] should_failslab+0x9/0x14 [ 143.160937][ T8119] kmem_cache_alloc+0x47/0x750 [ 143.165727][ T8119] ? __x64_sys_mount+0x169/0x1c0 [ 143.170644][ T8119] ? do_syscall_64+0xd0/0x600 [ 143.175304][ T8119] ? v9fs_session_init+0x1ed/0x14c0 [ 143.180495][ T8119] ? v9fs_mount+0x72/0x7f0 [ 143.184908][ T8119] ? legacy_get_tree+0x103/0x1f0 [ 143.189822][ T8119] ? vfs_get_tree+0x8b/0x2d0 [ 143.194398][ T8119] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 143.200846][ T8119] idr_get_free+0x35d/0x880 [ 143.205336][ T8119] idr_alloc_u32+0x13a/0x330 [ 143.209908][ T8119] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 143.215433][ T8119] ? mark_held_locks+0x130/0x130 [ 143.220361][ T8119] ? __kasan_check_write+0x14/0x20 [ 143.225682][ T8119] ? do_raw_spin_lock+0x132/0x2e0 [ 143.230709][ T8119] idr_alloc+0x7d/0xc0 [ 143.235296][ T8119] ? idr_alloc_u32+0x330/0x330 [ 143.240053][ T8119] p9_client_prepare_req.part.5+0x571/0x670 [ 143.245942][ T8119] p9_client_rpc+0x174/0xe50 [ 143.250532][ T8119] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 143.256354][ T8119] ? p9_client_prepare_req.part.5+0x670/0x670 [ 143.262402][ T8119] ? add_wait_queue+0x107/0x160 [ 143.267283][ T8119] ? p9_pollwait+0x182/0x210 [ 143.271858][ T8119] ? pipe_poll+0x80/0x300 [ 143.276171][ T8119] ? p9_fd_poll+0x19b/0x2a0 [ 143.280656][ T8119] ? p9_conn_create+0x399/0x4e0 [ 143.285490][ T8119] ? p9_conn_create+0x4e0/0x4e0 [ 143.290326][ T8119] p9_client_create+0x7ec/0x10e0 [ 143.295250][ T8119] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 143.301298][ T8119] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.306826][ T8119] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.313166][ T8119] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.318967][ T8119] ? __kmalloc_track_caller+0x60e/0x780 [ 143.324510][ T8119] ? __x64_sys_mount+0x169/0x1c0 [ 143.330387][ T8119] ? do_syscall_64+0xd0/0x600 [ 143.335077][ T8119] ? lockdep_init_map+0x1b6/0x6c0 [ 143.340093][ T8119] v9fs_session_init+0x1ed/0x14c0 [ 143.345139][ T8119] ? v9fs_session_init+0x1ed/0x14c0 [ 143.350319][ T8119] ? find_held_lock+0x36/0x1d0 [ 143.355080][ T8119] ? v9fs_show_options+0x6c0/0x6c0 [ 143.360179][ T8119] ? __kasan_check_read+0x11/0x20 [ 143.365185][ T8119] ? v9fs_mount+0x55/0x7f0 [ 143.369583][ T8119] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.375117][ T8119] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.381162][ T8119] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.386953][ T8119] ? kmem_cache_alloc_trace+0x39e/0x780 [ 143.392485][ T8119] ? apparmor_task_alloc+0x2f0/0x2f0 [ 143.397756][ T8119] v9fs_mount+0x72/0x7f0 [ 143.401980][ T8119] ? v9fs_write_inode+0x50/0x50 [ 143.406811][ T8119] legacy_get_tree+0x103/0x1f0 [ 143.411819][ T8119] vfs_get_tree+0x8b/0x2d0 [ 143.416217][ T8119] ? capable+0x14/0x20 [ 143.420267][ T8119] do_mount+0x1270/0x1b60 [ 143.424611][ T8119] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.430141][ T8119] ? copy_mount_string+0x20/0x20 [ 143.435063][ T8119] ? kmem_cache_alloc_trace+0x39e/0x780 [ 143.440634][ T8119] ? __kasan_check_write+0x14/0x20 [ 143.445725][ T8119] ? _copy_from_user+0xd6/0x110 [ 143.450558][ T8119] ? __kasan_check_read+0x11/0x20 [ 143.455606][ T8119] ? copy_mount_options+0x77/0x2c0 [ 143.460704][ T8119] __x64_sys_mount+0x169/0x1c0 [ 143.465450][ T8119] do_syscall_64+0xd0/0x600 [ 143.469935][ T8119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.475808][ T8119] RIP: 0033:0x458da9 [ 143.479696][ T8119] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 143.499281][ T8119] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.507704][ T8119] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 143.515749][ T8119] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 143.523704][ T8119] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 143.531656][ T8119] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 143.539609][ T8119] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 143.547631][ T8126] CPU: 1 PID: 8126 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 143.556211][ T8126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 143.556215][ T8126] Call Trace: [ 143.556226][ T8126] dump_stack+0x12d/0x187 [ 143.556237][ T8126] should_fail.cold.4+0x5/0x13 [ 143.556243][ T8126] ? stack_trace_save+0x82/0xb0 [ 143.556250][ T8126] ? fault_create_debugfs_attr+0x150/0x150 [ 143.556262][ T8126] __should_failslab+0xba/0xf0 [ 143.556270][ T8126] should_failslab+0x9/0x14 [ 143.556276][ T8126] kmem_cache_alloc+0x47/0x750 [ 143.556282][ T8126] ? __x64_sys_mount+0x169/0x1c0 [ 143.556287][ T8126] ? do_syscall_64+0xd0/0x600 [ 143.556299][ T8126] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 143.556305][ T8126] ? __kasan_check_read+0x11/0x20 [ 143.556313][ T8126] idr_get_free+0x35d/0x880 [ 143.556325][ T8126] ? __kasan_check_read+0x11/0x20 [ 143.556333][ T8126] idr_alloc_u32+0x13a/0x330 [ 143.556342][ T8126] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 143.556348][ T8126] ? mark_held_locks+0x130/0x130 [ 143.556357][ T8126] ? __kasan_check_write+0x14/0x20 [ 143.556363][ T8126] ? do_raw_spin_lock+0x132/0x2e0 [ 143.556371][ T8126] idr_alloc+0x7d/0xc0 [ 143.556380][ T8126] ? idr_alloc_u32+0x330/0x330 [ 143.569706][ T8126] p9_client_prepare_req.part.5+0x571/0x670 [ 143.569717][ T8126] p9_client_rpc+0x174/0xe50 [ 143.569727][ T8126] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 143.578795][ T8126] ? p9_client_prepare_req.part.5+0x670/0x670 [ 143.578803][ T8126] ? add_wait_queue+0x107/0x160 [ 143.578811][ T8126] ? p9_pollwait+0x182/0x210 [ 143.578820][ T8126] ? pipe_poll+0x80/0x300 [ 143.589651][ T8126] ? p9_fd_poll+0x19b/0x2a0 [ 143.589661][ T8126] ? p9_conn_create+0x399/0x4e0 [ 143.589669][ T8126] ? p9_conn_create+0x4e0/0x4e0 [ 143.589681][ T8126] p9_client_create+0x7ec/0x10e0 [ 143.603693][ T8126] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 143.603701][ T8126] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.603705][ T8126] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.603712][ T8126] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.603722][ T8126] ? __kmalloc_track_caller+0x60e/0x780 [ 143.603730][ T8126] ? __x64_sys_mount+0x169/0x1c0 [ 143.603736][ T8126] ? do_syscall_64+0xd0/0x600 [ 143.603741][ T8126] ? lockdep_init_map+0x1b6/0x6c0 [ 143.603754][ T8126] v9fs_session_init+0x1ed/0x14c0 [ 143.603760][ T8126] ? v9fs_session_init+0x1ed/0x14c0 [ 143.613351][ T8126] ? find_held_lock+0x36/0x1d0 [ 143.613363][ T8126] ? v9fs_show_options+0x6c0/0x6c0 [ 143.613369][ T8126] ? __kasan_check_read+0x11/0x20 [ 143.613376][ T8126] ? v9fs_mount+0x55/0x7f0 [ 143.613383][ T8126] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.613388][ T8126] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 143.613393][ T8126] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 143.613406][ T8126] ? kmem_cache_alloc_trace+0x39e/0x780 [ 143.624814][ T8126] ? apparmor_task_alloc+0x2f0/0x2f0 [ 143.624824][ T8126] v9fs_mount+0x72/0x7f0 [ 143.624832][ T8126] ? v9fs_write_inode+0x50/0x50 [ 143.624838][ T8126] legacy_get_tree+0x103/0x1f0 [ 143.624848][ T8126] vfs_get_tree+0x8b/0x2d0 [ 143.624854][ T8126] ? capable+0x14/0x20 [ 143.624862][ T8126] do_mount+0x1270/0x1b60 [ 143.624868][ T8126] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 143.624876][ T8126] ? copy_mount_string+0x20/0x20 [ 143.624884][ T8126] ? kmem_cache_alloc_trace+0x39e/0x780 [ 143.624891][ T8126] ? __kasan_check_write+0x14/0x20 [ 143.634451][ T8126] ? _copy_from_user+0xd6/0x110 [ 143.634459][ T8126] ? __kasan_check_read+0x11/0x20 [ 143.634465][ T8126] ? copy_mount_options+0x77/0x2c0 [ 143.634473][ T8126] __x64_sys_mount+0x169/0x1c0 [ 143.634483][ T8126] do_syscall_64+0xd0/0x600 [ 143.634492][ T8126] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 143.634498][ T8126] RIP: 0033:0x458da9 [ 143.634504][ 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 [ 143.634508][ T8126] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 143.684885][ T8126] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 143.684889][ T8126] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 143.684892][ T8126] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 143.684895][ T8126] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 143.684898][ T8126] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 143.691314][ T8134] FAULT_INJECTION: forcing a failure. [ 143.691314][ T8134] name failslab, interval 1, probability 0, space 0, times 0 [ 143.723563][ T8138] FAULT_INJECTION: forcing a failure. [ 143.723563][ T8138] name failslab, interval 1, probability 0, space 0, times 0 [ 143.730162][ T8125] FAULT_INJECTION: forcing a failure. [ 143.730162][ T8125] name failslab, interval 1, probability 0, space 0, times 0 [ 143.730476][ T8138] CPU: 0 PID: 8138 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 144.023879][ T8138] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.033920][ T8138] Call Trace: [ 144.038847][ T8138] dump_stack+0x12d/0x187 [ 144.043164][ T8138] should_fail.cold.4+0x5/0x13 [ 144.047927][ T8138] ? fault_create_debugfs_attr+0x150/0x150 [ 144.053718][ T8138] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.060288][ T8138] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.065819][ T8138] __should_failslab+0xba/0xf0 [ 144.070567][ T8138] should_failslab+0x9/0x14 [ 144.075053][ T8138] kmem_cache_alloc+0x47/0x750 [ 144.079795][ T8138] ? __x64_sys_mount+0x169/0x1c0 [ 144.084714][ T8138] ? do_syscall_64+0xd0/0x600 [ 144.089373][ T8138] ? v9fs_session_init+0x1ed/0x14c0 [ 144.094554][ T8138] ? v9fs_mount+0x72/0x7f0 [ 144.098959][ T8138] ? legacy_get_tree+0x103/0x1f0 [ 144.103877][ T8138] ? vfs_get_tree+0x8b/0x2d0 [ 144.108499][ T8138] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.115075][ T8138] idr_get_free+0x35d/0x880 [ 144.119574][ T8138] idr_alloc_u32+0x13a/0x330 [ 144.124156][ T8138] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 144.129689][ T8138] ? mark_held_locks+0x130/0x130 [ 144.134612][ T8138] ? __kasan_check_write+0x14/0x20 [ 144.139710][ T8138] ? do_raw_spin_lock+0x132/0x2e0 [ 144.145671][ T8138] idr_alloc+0x7d/0xc0 [ 144.149728][ T8138] ? idr_alloc_u32+0x330/0x330 [ 144.154534][ T8138] p9_client_prepare_req.part.5+0x571/0x670 [ 144.160488][ T8138] p9_client_rpc+0x174/0xe50 [ 144.165142][ T8138] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 144.170938][ T8138] ? p9_client_prepare_req.part.5+0x670/0x670 [ 144.176991][ T8138] ? add_wait_queue+0x107/0x160 [ 144.181827][ T8138] ? p9_pollwait+0x182/0x210 [ 144.186407][ T8138] ? pipe_poll+0x80/0x300 [ 144.190997][ T8138] ? p9_fd_poll+0x19b/0x2a0 [ 144.195528][ T8138] ? p9_conn_create+0x399/0x4e0 [ 144.200374][ T8138] ? p9_conn_create+0x4e0/0x4e0 [ 144.205214][ T8138] p9_client_create+0x7ec/0x10e0 [ 144.210139][ T8138] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 144.216187][ T8138] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.221709][ T8138] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.227755][ T8138] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.233546][ T8138] ? __kmalloc_track_caller+0x60e/0x780 [ 144.239071][ T8138] ? __x64_sys_mount+0x169/0x1c0 [ 144.244036][ T8138] ? do_syscall_64+0xd0/0x600 [ 144.248693][ T8138] ? lockdep_init_map+0x1b6/0x6c0 [ 144.253703][ T8138] v9fs_session_init+0x1ed/0x14c0 [ 144.258743][ T8138] ? v9fs_session_init+0x1ed/0x14c0 [ 144.263966][ T8138] ? find_held_lock+0x36/0x1d0 [ 144.268715][ T8138] ? v9fs_show_options+0x6c0/0x6c0 [ 144.273811][ T8138] ? __kasan_check_read+0x11/0x20 [ 144.278852][ T8138] ? v9fs_mount+0x55/0x7f0 [ 144.283250][ T8138] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.288809][ T8138] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.295239][ T8138] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.301033][ T8138] ? kmem_cache_alloc_trace+0x39e/0x780 [ 144.306694][ T8138] ? apparmor_task_alloc+0x2f0/0x2f0 [ 144.311973][ T8138] v9fs_mount+0x72/0x7f0 [ 144.316205][ T8138] ? v9fs_write_inode+0x50/0x50 [ 144.321043][ T8138] legacy_get_tree+0x103/0x1f0 [ 144.325796][ T8138] vfs_get_tree+0x8b/0x2d0 [ 144.330195][ T8138] ? capable+0x14/0x20 [ 144.334259][ T8138] do_mount+0x1270/0x1b60 [ 144.338580][ T8138] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.344112][ T8138] ? copy_mount_string+0x20/0x20 [ 144.349038][ T8138] ? kmem_cache_alloc_trace+0x39e/0x780 [ 144.354621][ T8138] ? __kasan_check_write+0x14/0x20 [ 144.359720][ T8138] ? _copy_from_user+0xd6/0x110 [ 144.364554][ T8138] ? __kasan_check_read+0x11/0x20 [ 144.369559][ T8138] ? copy_mount_options+0x77/0x2c0 [ 144.374656][ T8138] __x64_sys_mount+0x169/0x1c0 [ 144.380014][ T8138] do_syscall_64+0xd0/0x600 [ 144.384501][ T8138] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 144.390421][ T8138] RIP: 0033:0x458da9 [ 144.394297][ T8138] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 144.414015][ T8138] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.422847][ T8138] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 144.430801][ T8138] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 144.438756][ T8138] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 144.446711][ T8138] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 144.454667][ T8138] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 144.462687][ T8125] CPU: 1 PID: 8125 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 144.468256][ T8136] FAULT_INJECTION: forcing a failure. [ 144.468256][ T8136] name failslab, interval 1, probability 0, space 0, times 0 [ 144.471277][ T8125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.493912][ T8125] Call Trace: [ 144.497223][ T8125] dump_stack+0x12d/0x187 [ 144.501570][ T8125] should_fail.cold.4+0x5/0x13 [ 144.506316][ T8125] ? fault_create_debugfs_attr+0x150/0x150 [ 144.512140][ T8125] ? ___might_sleep+0x16b/0x2b0 [ 144.516973][ T8125] __should_failslab+0xba/0xf0 [ 144.521720][ T8125] should_failslab+0x9/0x14 [ 144.526209][ T8125] __kmalloc+0x2eb/0x790 [ 144.530437][ T8125] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 144.535714][ T8125] p9_fcall_init.isra.2+0x55/0x1c0 [ 144.540900][ T8125] p9_client_prepare_req.part.5+0x116/0x670 [ 144.546775][ T8125] p9_client_rpc+0x174/0xe50 [ 144.551436][ T8125] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 144.557225][ T8125] ? p9_client_prepare_req.part.5+0x670/0x670 [ 144.563273][ T8125] ? add_wait_queue+0x107/0x160 [ 144.568163][ T8125] ? p9_pollwait+0x182/0x210 [ 144.572736][ T8125] ? pipe_poll+0x80/0x300 [ 144.577048][ T8125] ? p9_fd_poll+0x19b/0x2a0 [ 144.581540][ T8125] ? p9_conn_create+0x399/0x4e0 [ 144.586376][ T8125] ? p9_conn_create+0x4e0/0x4e0 [ 144.591229][ T8125] p9_client_create+0x7ec/0x10e0 [ 144.596318][ T8125] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 144.602374][ T8125] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.607966][ T8125] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.614018][ T8125] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.619808][ T8125] ? __kmalloc_track_caller+0x60e/0x780 [ 144.625335][ T8125] ? __x64_sys_mount+0x169/0x1c0 [ 144.630255][ T8125] ? do_syscall_64+0xd0/0x600 [ 144.634924][ T8125] ? lockdep_init_map+0x1b6/0x6c0 [ 144.639950][ T8125] v9fs_session_init+0x1ed/0x14c0 [ 144.644954][ T8125] ? v9fs_session_init+0x1ed/0x14c0 [ 144.650136][ T8125] ? find_held_lock+0x36/0x1d0 [ 144.654887][ T8125] ? v9fs_show_options+0x6c0/0x6c0 [ 144.660013][ T8125] ? __kasan_check_read+0x11/0x20 [ 144.665020][ T8125] ? v9fs_mount+0x55/0x7f0 [ 144.669455][ T8125] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.674984][ T8125] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 144.681032][ T8125] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 144.686822][ T8125] ? kmem_cache_alloc_trace+0x39e/0x780 [ 144.692350][ T8125] ? apparmor_task_alloc+0x2f0/0x2f0 [ 144.697615][ T8125] v9fs_mount+0x72/0x7f0 [ 144.701839][ T8125] ? v9fs_write_inode+0x50/0x50 [ 144.706672][ T8125] legacy_get_tree+0x103/0x1f0 [ 144.711454][ T8125] vfs_get_tree+0x8b/0x2d0 [ 144.715883][ T8125] ? capable+0x14/0x20 [ 144.719937][ T8125] do_mount+0x1270/0x1b60 [ 144.724248][ T8125] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 144.729810][ T8125] ? copy_mount_string+0x20/0x20 [ 144.734730][ T8125] ? kmem_cache_alloc_trace+0x39e/0x780 [ 144.740257][ T8125] ? __kasan_check_write+0x14/0x20 [ 144.745348][ T8125] ? __kasan_check_read+0x11/0x20 [ 144.750384][ T8125] ? copy_mount_options+0x77/0x2c0 [ 144.755481][ T8125] __x64_sys_mount+0x169/0x1c0 [ 144.760230][ T8125] do_syscall_64+0xd0/0x600 [ 144.764803][ T8125] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 144.770675][ T8125] RIP: 0033:0x458da9 [ 144.774567][ 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 [ 144.798498][ T8125] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 144.806899][ T8125] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 144.814855][ T8125] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 144.822860][ T8125] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 144.830906][ T8125] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 144.838872][ T8125] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 144.846847][ T8136] CPU: 0 PID: 8136 Comm: syz-executor.3 Not tainted 5.5.0-rc2-syzkaller #0 [ 144.855443][ T8136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 144.865747][ T8136] Call Trace: [ 144.869033][ T8136] dump_stack+0x12d/0x187 [ 144.873364][ T8136] should_fail.cold.4+0x5/0x13 [ 144.878123][ T8136] ? fault_create_debugfs_attr+0x150/0x150 [ 144.884056][ T8136] ? save_stack+0x5d/0x90 [ 144.888369][ T8136] ? save_stack+0x21/0x90 [ 144.892736][ T8136] __should_failslab+0xba/0xf0 [ 144.897490][ T8136] should_failslab+0x9/0x14 [ 144.901975][ T8136] kmem_cache_alloc+0x47/0x750 [ 144.906735][ T8136] ? do_syscall_64+0xd0/0x600 [ 144.911398][ T8136] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 144.917459][ T8136] ? v9fs_session_init+0x1ed/0x14c0 [ 144.922656][ T8136] ? v9fs_mount+0x72/0x7f0 [ 144.927145][ T8136] ? legacy_get_tree+0x103/0x1f0 [ 144.932072][ T8136] ? vfs_get_tree+0x8b/0x2d0 [ 144.936647][ T8136] ? do_mount+0x1270/0x1b60 [ 144.941309][ T8136] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 144.947827][ T8136] ? __kasan_check_read+0x11/0x20 [ 144.952992][ T8136] idr_get_free+0x35d/0x880 [ 144.957535][ T8136] ? __kasan_check_read+0x11/0x20 [ 144.962617][ T8136] idr_alloc_u32+0x13a/0x330 [ 144.967288][ T8136] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 144.973115][ T8136] ? mark_held_locks+0x130/0x130 [ 144.978097][ T8136] ? __kasan_check_write+0x14/0x20 [ 144.983324][ T8136] ? do_raw_spin_lock+0x132/0x2e0 [ 144.988466][ T8136] idr_alloc+0x7d/0xc0 [ 144.992566][ T8136] ? idr_alloc_u32+0x330/0x330 [ 144.997440][ T8136] p9_client_prepare_req.part.5+0x571/0x670 [ 145.003328][ T8136] p9_client_rpc+0x174/0xe50 [ 145.007944][ T8136] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 145.013739][ T8136] ? p9_client_prepare_req.part.5+0x670/0x670 [ 145.019889][ T8136] ? add_wait_queue+0x107/0x160 [ 145.024868][ T8136] ? p9_pollwait+0x182/0x210 [ 145.029450][ T8136] ? pipe_poll+0x80/0x300 [ 145.033770][ T8136] ? p9_fd_poll+0x19b/0x2a0 [ 145.038279][ T8136] ? p9_conn_create+0x399/0x4e0 [ 145.043296][ T8136] ? p9_conn_create+0x4e0/0x4e0 [ 145.048265][ T8136] p9_client_create+0x7ec/0x10e0 [ 145.053864][ T8136] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 145.060181][ T8136] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.065717][ T8136] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.072248][ T8136] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.078063][ T8136] ? __kmalloc_track_caller+0x60e/0x780 [ 145.083624][ T8136] ? __x64_sys_mount+0x169/0x1c0 [ 145.088758][ T8136] ? do_syscall_64+0xd0/0x600 [ 145.093425][ T8136] ? lockdep_init_map+0x1b6/0x6c0 [ 145.098483][ T8136] v9fs_session_init+0x1ed/0x14c0 [ 145.103622][ T8136] ? v9fs_session_init+0x1ed/0x14c0 [ 145.108878][ T8136] ? find_held_lock+0x36/0x1d0 [ 145.113847][ T8136] ? v9fs_show_options+0x6c0/0x6c0 [ 145.118957][ T8136] ? __kasan_check_read+0x11/0x20 [ 145.123976][ T8136] ? v9fs_mount+0x55/0x7f0 [ 145.128402][ T8136] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.133979][ T8136] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.140081][ T8136] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.146132][ T8136] ? kmem_cache_alloc_trace+0x39e/0x780 [ 145.151838][ T8136] ? apparmor_task_alloc+0x2f0/0x2f0 [ 145.157128][ T8136] v9fs_mount+0x72/0x7f0 [ 145.161398][ T8136] ? v9fs_write_inode+0x50/0x50 [ 145.166850][ T8136] legacy_get_tree+0x103/0x1f0 [ 145.171613][ T8136] vfs_get_tree+0x8b/0x2d0 [ 145.176022][ T8136] ? capable+0x14/0x20 [ 145.180099][ T8136] do_mount+0x1270/0x1b60 [ 145.184424][ T8136] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.190140][ T8136] ? copy_mount_string+0x20/0x20 [ 145.195074][ T8136] ? kmem_cache_alloc_trace+0x39e/0x780 [ 145.200766][ T8136] ? __kasan_check_write+0x14/0x20 [ 145.205926][ T8136] ? _copy_from_user+0xd6/0x110 [ 145.210783][ T8136] ? __kasan_check_read+0x11/0x20 [ 145.215829][ T8136] ? copy_mount_options+0x77/0x2c0 [ 145.221091][ T8136] __x64_sys_mount+0x169/0x1c0 [ 145.225855][ T8136] do_syscall_64+0xd0/0x600 [ 145.230365][ T8136] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.236243][ T8136] RIP: 0033:0x458da9 [ 145.240125][ T8136] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 145.260073][ T8136] RSP: 002b:00007f743dec3c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 145.268487][ T8136] RAX: ffffffffffffffda RBX: 00007f743dec3c90 RCX: 0000000000458da9 [ 145.276500][ T8136] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 145.284768][ T8136] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 2019/12/18 21:49:59 executed programs: 217 [ 145.293086][ T8136] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f743dec46d4 [ 145.301600][ T8136] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 145.309792][ T8134] CPU: 1 PID: 8134 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 145.318406][ T8134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.328671][ T8134] Call Trace: [ 145.328684][ T8134] dump_stack+0x12d/0x187 [ 145.328695][ T8134] should_fail.cold.4+0x5/0x13 [ 145.328706][ T8134] ? fault_create_debugfs_attr+0x150/0x150 [ 145.332574][ T8143] FAULT_INJECTION: forcing a failure. [ 145.332574][ T8143] name failslab, interval 1, probability 0, space 0, times 0 [ 145.336361][ T8134] ? ___might_sleep+0x16b/0x2b0 [ 145.364739][ T8134] __should_failslab+0xba/0xf0 [ 145.369503][ T8134] should_failslab+0x9/0x14 [ 145.374880][ T8134] __kmalloc+0x2eb/0x790 [ 145.379211][ T8134] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 145.384488][ T8134] p9_fcall_init.isra.2+0x55/0x1c0 [ 145.389594][ T8134] p9_client_prepare_req.part.5+0x116/0x670 [ 145.395481][ T8134] p9_client_rpc+0x174/0xe50 [ 145.400099][ T8134] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 145.406558][ T8134] ? p9_client_prepare_req.part.5+0x670/0x670 [ 145.412609][ T8134] ? add_wait_queue+0x107/0x160 [ 145.417445][ T8134] ? p9_pollwait+0x182/0x210 [ 145.422019][ T8134] ? pipe_poll+0x80/0x300 [ 145.426336][ T8134] ? p9_fd_poll+0x19b/0x2a0 [ 145.430824][ T8134] ? p9_conn_create+0x399/0x4e0 [ 145.435679][ T8134] ? p9_conn_create+0x4e0/0x4e0 [ 145.440517][ T8134] p9_client_create+0x7ec/0x10e0 [ 145.445442][ T8134] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 145.451493][ T8134] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.457019][ T8134] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.463064][ T8134] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.468970][ T8134] ? __kmalloc_track_caller+0x60e/0x780 [ 145.474515][ T8134] ? __x64_sys_mount+0x169/0x1c0 [ 145.479608][ T8134] ? do_syscall_64+0xd0/0x600 [ 145.484320][ T8134] ? lockdep_init_map+0x1b6/0x6c0 [ 145.489420][ T8134] v9fs_session_init+0x1ed/0x14c0 [ 145.494427][ T8134] ? v9fs_session_init+0x1ed/0x14c0 [ 145.499613][ T8134] ? find_held_lock+0x36/0x1d0 [ 145.504362][ T8134] ? v9fs_show_options+0x6c0/0x6c0 [ 145.509496][ T8134] ? __kasan_check_read+0x11/0x20 [ 145.515498][ T8134] ? v9fs_mount+0x55/0x7f0 [ 145.519910][ T8134] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.525438][ T8134] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.535258][ T8134] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.541053][ T8134] ? kmem_cache_alloc_trace+0x39e/0x780 [ 145.546586][ T8134] ? apparmor_task_alloc+0x2f0/0x2f0 [ 145.551858][ T8134] v9fs_mount+0x72/0x7f0 [ 145.556260][ T8134] ? v9fs_write_inode+0x50/0x50 [ 145.561094][ T8134] legacy_get_tree+0x103/0x1f0 [ 145.565841][ T8134] vfs_get_tree+0x8b/0x2d0 [ 145.570239][ T8134] ? capable+0x14/0x20 [ 145.574293][ T8134] do_mount+0x1270/0x1b60 [ 145.578608][ T8134] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.585092][ T8134] ? copy_mount_string+0x20/0x20 [ 145.590152][ T8134] ? kmem_cache_alloc_trace+0x39e/0x780 [ 145.595683][ T8134] ? __kasan_check_write+0x14/0x20 [ 145.600779][ T8134] ? __kasan_check_read+0x11/0x20 [ 145.606650][ T8134] ? copy_mount_options+0x77/0x2c0 [ 145.611746][ T8134] __x64_sys_mount+0x169/0x1c0 [ 145.616497][ T8134] do_syscall_64+0xd0/0x600 [ 145.621073][ T8134] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.626948][ T8134] RIP: 0033:0x458da9 [ 145.630828][ T8134] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 145.650418][ T8134] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 145.658839][ T8134] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 145.666939][ T8134] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 145.674902][ T8134] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 145.682990][ T8134] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 145.690952][ T8134] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 145.698929][ T8143] CPU: 0 PID: 8143 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 145.707523][ T8143] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.714830][ T8146] FAULT_INJECTION: forcing a failure. [ 145.714830][ T8146] name failslab, interval 1, probability 0, space 0, times 0 [ 145.717641][ T8143] Call Trace: [ 145.733491][ T8143] dump_stack+0x12d/0x187 [ 145.737807][ T8143] should_fail.cold.4+0x5/0x13 [ 145.742560][ T8143] ? fault_create_debugfs_attr+0x150/0x150 [ 145.748351][ T8143] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 145.754923][ T8143] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.760455][ T8143] __should_failslab+0xba/0xf0 [ 145.765201][ T8143] should_failslab+0x9/0x14 [ 145.769688][ T8143] kmem_cache_alloc+0x47/0x750 [ 145.774439][ T8143] ? __x64_sys_mount+0x169/0x1c0 [ 145.779360][ T8143] ? do_syscall_64+0xd0/0x600 [ 145.784034][ T8143] ? v9fs_session_init+0x1ed/0x14c0 [ 145.789248][ T8143] ? v9fs_mount+0x72/0x7f0 [ 145.793649][ T8143] ? legacy_get_tree+0x103/0x1f0 [ 145.798569][ T8143] ? vfs_get_tree+0x8b/0x2d0 [ 145.803153][ T8143] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 145.809826][ T8143] idr_get_free+0x35d/0x880 [ 145.814327][ T8143] idr_alloc_u32+0x13a/0x330 [ 145.818903][ T8143] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 145.824522][ T8143] ? mark_held_locks+0x130/0x130 [ 145.829448][ T8143] ? __kasan_check_write+0x14/0x20 [ 145.834594][ T8143] ? do_raw_spin_lock+0x132/0x2e0 [ 145.839655][ T8143] idr_alloc+0x7d/0xc0 [ 145.843895][ T8143] ? idr_alloc_u32+0x330/0x330 [ 145.848662][ T8143] p9_client_prepare_req.part.5+0x571/0x670 [ 145.854559][ T8143] p9_client_rpc+0x174/0xe50 [ 145.859192][ T8143] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 145.864987][ T8143] ? p9_client_prepare_req.part.5+0x670/0x670 [ 145.871043][ T8143] ? add_wait_queue+0x107/0x160 [ 145.875894][ T8143] ? p9_pollwait+0x182/0x210 [ 145.880472][ T8143] ? pipe_poll+0x80/0x300 [ 145.884786][ T8143] ? p9_fd_poll+0x19b/0x2a0 [ 145.889276][ T8143] ? p9_conn_create+0x399/0x4e0 [ 145.894130][ T8143] ? p9_conn_create+0x4e0/0x4e0 [ 145.899057][ T8143] p9_client_create+0x7ec/0x10e0 [ 145.904057][ T8143] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 145.910122][ T8143] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.915772][ T8143] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.921824][ T8143] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.927806][ T8143] ? __kmalloc_track_caller+0x60e/0x780 [ 145.933386][ T8143] ? __x64_sys_mount+0x169/0x1c0 [ 145.938313][ T8143] ? do_syscall_64+0xd0/0x600 [ 145.942996][ T8143] ? lockdep_init_map+0x1b6/0x6c0 [ 145.948167][ T8143] v9fs_session_init+0x1ed/0x14c0 [ 145.953358][ T8143] ? v9fs_session_init+0x1ed/0x14c0 [ 145.958552][ T8143] ? find_held_lock+0x36/0x1d0 [ 145.963306][ T8143] ? v9fs_show_options+0x6c0/0x6c0 [ 145.968404][ T8143] ? __kasan_check_read+0x11/0x20 [ 145.973448][ T8143] ? v9fs_mount+0x55/0x7f0 [ 145.977849][ T8143] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 145.983376][ T8143] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 145.989424][ T8143] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 145.995253][ T8143] ? kmem_cache_alloc_trace+0x39e/0x780 [ 146.000785][ T8143] ? apparmor_task_alloc+0x2f0/0x2f0 [ 146.006053][ T8143] v9fs_mount+0x72/0x7f0 [ 146.010369][ T8143] ? v9fs_write_inode+0x50/0x50 [ 146.015204][ T8143] legacy_get_tree+0x103/0x1f0 [ 146.019953][ T8143] vfs_get_tree+0x8b/0x2d0 [ 146.024350][ T8143] ? capable+0x14/0x20 [ 146.028405][ T8143] do_mount+0x1270/0x1b60 [ 146.032719][ T8143] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.038247][ T8143] ? copy_mount_string+0x20/0x20 [ 146.043209][ T8143] ? kmem_cache_alloc_trace+0x39e/0x780 [ 146.048755][ T8143] ? __kasan_check_write+0x14/0x20 [ 146.053878][ T8143] ? _copy_from_user+0xd6/0x110 [ 146.058717][ T8143] ? __kasan_check_read+0x11/0x20 [ 146.063728][ T8143] ? copy_mount_options+0x77/0x2c0 [ 146.068831][ T8143] __x64_sys_mount+0x169/0x1c0 [ 146.073598][ T8143] do_syscall_64+0xd0/0x600 [ 146.078091][ T8143] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.083967][ T8143] RIP: 0033:0x458da9 [ 146.087906][ T8143] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 146.107583][ T8143] RSP: 002b:00007fcfed7efc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 146.115977][ T8143] RAX: ffffffffffffffda RBX: 00007fcfed7efc90 RCX: 0000000000458da9 [ 146.123934][ T8143] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 146.131925][ T8143] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 146.139882][ T8143] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcfed7f06d4 [ 146.147881][ T8143] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 146.155861][ T8146] CPU: 1 PID: 8146 Comm: syz-executor.4 Not tainted 5.5.0-rc2-syzkaller #0 [ 146.164448][ T8146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.174506][ T8146] Call Trace: [ 146.174522][ T8146] dump_stack+0x12d/0x187 [ 146.174533][ T8146] should_fail.cold.4+0x5/0x13 [ 146.174538][ T8146] ? stack_trace_save+0x82/0xb0 [ 146.174545][ T8146] ? fault_create_debugfs_attr+0x150/0x150 [ 146.174558][ T8146] __should_failslab+0xba/0xf0 [ 146.174566][ T8146] should_failslab+0x9/0x14 [ 146.174572][ T8146] kmem_cache_alloc+0x47/0x750 [ 146.174578][ T8146] ? __x64_sys_mount+0x169/0x1c0 [ 146.174584][ T8146] ? do_syscall_64+0xd0/0x600 [ 146.174595][ T8146] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 146.174601][ T8146] ? __kasan_check_read+0x11/0x20 [ 146.174608][ T8146] idr_get_free+0x35d/0x880 [ 146.174619][ T8146] ? __kasan_check_read+0x11/0x20 [ 146.187096][ T8146] idr_alloc_u32+0x13a/0x330 [ 146.198229][ T8146] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 146.198237][ T8146] ? mark_held_locks+0x130/0x130 [ 146.198247][ T8146] ? __kasan_check_write+0x14/0x20 [ 146.198253][ T8146] ? do_raw_spin_lock+0x132/0x2e0 [ 146.198261][ T8146] idr_alloc+0x7d/0xc0 [ 146.198266][ T8146] ? idr_alloc_u32+0x330/0x330 [ 146.198279][ T8146] p9_client_prepare_req.part.5+0x571/0x670 [ 146.198288][ T8146] p9_client_rpc+0x174/0xe50 [ 146.198297][ T8146] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 146.198302][ T8146] ? p9_client_prepare_req.part.5+0x670/0x670 [ 146.198311][ T8146] ? add_wait_queue+0x107/0x160 [ 146.207632][ T8146] ? p9_pollwait+0x182/0x210 [ 146.217435][ T8146] ? pipe_poll+0x80/0x300 [ 146.217443][ T8146] ? p9_fd_poll+0x19b/0x2a0 [ 146.217450][ T8146] ? p9_conn_create+0x399/0x4e0 [ 146.217458][ T8146] ? p9_conn_create+0x4e0/0x4e0 [ 146.217470][ T8146] p9_client_create+0x7ec/0x10e0 [ 146.217481][ T8146] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 146.217487][ T8146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.217493][ T8146] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 146.229779][ T8146] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 146.229790][ T8146] ? __kmalloc_track_caller+0x60e/0x780 [ 146.229797][ T8146] ? __x64_sys_mount+0x169/0x1c0 [ 146.229803][ T8146] ? do_syscall_64+0xd0/0x600 [ 146.229807][ T8146] ? lockdep_init_map+0x1b6/0x6c0 [ 146.229820][ T8146] v9fs_session_init+0x1ed/0x14c0 [ 146.229825][ T8146] ? v9fs_session_init+0x1ed/0x14c0 [ 146.229834][ T8146] ? find_held_lock+0x36/0x1d0 [ 146.229845][ T8146] ? v9fs_show_options+0x6c0/0x6c0 [ 146.229850][ T8146] ? __kasan_check_read+0x11/0x20 [ 146.229857][ T8146] ? v9fs_mount+0x55/0x7f0 [ 146.229863][ T8146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.229867][ T8146] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 146.229872][ T8146] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 146.229882][ T8146] ? kmem_cache_alloc_trace+0x39e/0x780 [ 146.239435][ T8146] ? apparmor_task_alloc+0x2f0/0x2f0 [ 146.289306][ T8146] v9fs_mount+0x72/0x7f0 [ 146.306000][ T8146] ? v9fs_write_inode+0x50/0x50 [ 146.306009][ T8146] legacy_get_tree+0x103/0x1f0 [ 146.306017][ T8146] vfs_get_tree+0x8b/0x2d0 [ 146.306023][ T8146] ? capable+0x14/0x20 [ 146.306031][ T8146] do_mount+0x1270/0x1b60 [ 146.306037][ T8146] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.306044][ T8146] ? copy_mount_string+0x20/0x20 [ 146.306055][ T8146] ? kmem_cache_alloc_trace+0x39e/0x780 [ 146.306062][ T8146] ? __kasan_check_write+0x14/0x20 [ 146.306068][ T8146] ? _copy_from_user+0xd6/0x110 [ 146.306078][ T8146] ? __kasan_check_read+0x11/0x20 [ 146.313095][ T8153] FAULT_INJECTION: forcing a failure. [ 146.313095][ T8153] name failslab, interval 1, probability 0, space 0, times 0 [ 146.315100][ T8146] ? copy_mount_options+0x77/0x2c0 [ 146.511922][ T8146] __x64_sys_mount+0x169/0x1c0 [ 146.516672][ T8146] do_syscall_64+0xd0/0x600 [ 146.521179][ T8146] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.527135][ T8146] RIP: 0033:0x458da9 [ 146.531010][ 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 [ 146.550596][ T8146] RSP: 002b:00007fc532245c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 146.558992][ T8146] RAX: ffffffffffffffda RBX: 00007fc532245c90 RCX: 0000000000458da9 [ 146.566941][ T8146] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 146.574893][ T8146] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 146.582843][ T8146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc5322466d4 [ 146.590791][ T8146] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 146.598771][ T8153] CPU: 0 PID: 8153 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 146.606742][ T8155] FAULT_INJECTION: forcing a failure. [ 146.606742][ T8155] name failslab, interval 1, probability 0, space 0, times 0 [ 146.608020][ T8153] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 146.608024][ T8153] Call Trace: [ 146.608034][ T8153] dump_stack+0x12d/0x187 [ 146.608045][ T8153] should_fail.cold.4+0x5/0x13 [ 146.608054][ T8153] ? fault_create_debugfs_attr+0x150/0x150 [ 146.648774][ T8153] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 146.656310][ T8153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.661840][ T8153] __should_failslab+0xba/0xf0 [ 146.666581][ T8153] should_failslab+0x9/0x14 [ 146.671062][ T8153] kmem_cache_alloc+0x47/0x750 [ 146.675804][ T8153] ? __x64_sys_mount+0x169/0x1c0 [ 146.680719][ T8153] ? do_syscall_64+0xd0/0x600 [ 146.685377][ T8153] ? v9fs_session_init+0x1ed/0x14c0 [ 146.690549][ T8153] ? v9fs_mount+0x72/0x7f0 [ 146.694943][ T8153] ? legacy_get_tree+0x103/0x1f0 [ 146.700983][ T8153] ? vfs_get_tree+0x8b/0x2d0 [ 146.705564][ T8153] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 146.711960][ T8153] idr_get_free+0x35d/0x880 [ 146.716446][ T8153] idr_alloc_u32+0x13a/0x330 [ 146.721008][ T8153] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 146.726526][ T8153] ? mark_held_locks+0x130/0x130 [ 146.731450][ T8153] ? __kasan_check_write+0x14/0x20 [ 146.736531][ T8153] ? do_raw_spin_lock+0x132/0x2e0 [ 146.741529][ T8153] idr_alloc+0x7d/0xc0 [ 146.745569][ T8153] ? idr_alloc_u32+0x330/0x330 [ 146.750307][ T8153] p9_client_prepare_req.part.5+0x571/0x670 [ 146.756173][ T8153] p9_client_rpc+0x174/0xe50 [ 146.760743][ T8153] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 146.766535][ T8153] ? p9_client_prepare_req.part.5+0x670/0x670 [ 146.772576][ T8153] ? add_wait_queue+0x107/0x160 [ 146.777401][ T8153] ? p9_pollwait+0x182/0x210 [ 146.781968][ T8153] ? pipe_poll+0x80/0x300 [ 146.786274][ T8153] ? p9_fd_poll+0x19b/0x2a0 [ 146.790755][ T8153] ? p9_conn_create+0x399/0x4e0 [ 146.795756][ T8153] ? p9_conn_create+0x4e0/0x4e0 [ 146.800587][ T8153] p9_client_create+0x7ec/0x10e0 [ 146.806630][ T8153] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 146.812671][ T8153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.818187][ T8153] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 146.824231][ T8153] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 146.830012][ T8153] ? __kmalloc_track_caller+0x60e/0x780 [ 146.835537][ T8153] ? __x64_sys_mount+0x169/0x1c0 [ 146.840456][ T8153] ? do_syscall_64+0xd0/0x600 [ 146.845104][ T8153] ? lockdep_init_map+0x1b6/0x6c0 [ 146.850105][ T8153] v9fs_session_init+0x1ed/0x14c0 [ 146.855105][ T8153] ? v9fs_session_init+0x1ed/0x14c0 [ 146.860276][ T8153] ? find_held_lock+0x36/0x1d0 [ 146.865029][ T8153] ? v9fs_show_options+0x6c0/0x6c0 [ 146.870118][ T8153] ? __kasan_check_read+0x11/0x20 [ 146.875116][ T8153] ? v9fs_mount+0x55/0x7f0 [ 146.879503][ T8153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.885021][ T8153] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 146.891062][ T8153] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 146.896841][ T8153] ? kmem_cache_alloc_trace+0x39e/0x780 [ 146.902360][ T8153] ? apparmor_task_alloc+0x2f0/0x2f0 [ 146.907636][ T8153] v9fs_mount+0x72/0x7f0 [ 146.911872][ T8153] ? v9fs_write_inode+0x50/0x50 [ 146.916719][ T8153] legacy_get_tree+0x103/0x1f0 [ 146.921470][ T8153] vfs_get_tree+0x8b/0x2d0 [ 146.927260][ T8153] ? capable+0x14/0x20 [ 146.931310][ T8153] do_mount+0x1270/0x1b60 [ 146.935642][ T8153] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 146.941176][ T8153] ? copy_mount_string+0x20/0x20 [ 146.946096][ T8153] ? kmem_cache_alloc_trace+0x39e/0x780 [ 146.951616][ T8153] ? __kasan_check_write+0x14/0x20 [ 146.956709][ T8153] ? _copy_from_user+0xd6/0x110 [ 146.961540][ T8153] ? __kasan_check_read+0x11/0x20 [ 146.966540][ T8153] ? copy_mount_options+0x77/0x2c0 [ 146.971644][ T8153] __x64_sys_mount+0x169/0x1c0 [ 146.976385][ T8153] do_syscall_64+0xd0/0x600 [ 146.980864][ T8153] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.986729][ T8153] RIP: 0033:0x458da9 [ 146.990601][ T8153] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 147.010295][ T8153] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 147.018691][ T8153] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 147.026643][ T8153] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 147.034590][ T8153] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 147.042543][ T8153] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 147.050498][ T8153] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 147.056015][ T8158] FAULT_INJECTION: forcing a failure. [ 147.056015][ T8158] name failslab, interval 1, probability 0, space 0, times 0 [ 147.093583][ T8158] CPU: 0 PID: 8158 Comm: syz-executor.5 Not tainted 5.5.0-rc2-syzkaller #0 [ 147.102194][ T8158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.112243][ T8158] Call Trace: [ 147.115649][ T8158] dump_stack+0x12d/0x187 [ 147.119972][ T8158] should_fail.cold.4+0x5/0x13 [ 147.124729][ T8158] ? fault_create_debugfs_attr+0x150/0x150 [ 147.130533][ T8158] ? ___might_sleep+0x16b/0x2b0 [ 147.135382][ T8158] __should_failslab+0xba/0xf0 [ 147.140142][ T8158] should_failslab+0x9/0x14 [ 147.144629][ T8158] __kmalloc+0x2eb/0x790 [ 147.148859][ T8158] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 147.154117][ T8158] p9_fcall_init.isra.2+0x55/0x1c0 [ 147.159204][ T8158] p9_client_prepare_req.part.5+0x116/0x670 [ 147.165198][ T8158] p9_client_rpc+0x174/0xe50 [ 147.169773][ T8158] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 147.175553][ T8158] ? p9_client_prepare_req.part.5+0x670/0x670 [ 147.181590][ T8158] ? add_wait_queue+0x107/0x160 [ 147.186437][ T8158] ? p9_pollwait+0x182/0x210 [ 147.191000][ T8158] ? pipe_poll+0x80/0x300 [ 147.195300][ T8158] ? p9_fd_poll+0x19b/0x2a0 [ 147.199785][ T8158] ? p9_conn_create+0x399/0x4e0 [ 147.204607][ T8158] ? p9_conn_create+0x4e0/0x4e0 [ 147.209434][ T8158] p9_client_create+0x7ec/0x10e0 [ 147.214361][ T8158] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 147.220396][ T8158] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 147.225917][ T8158] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 147.231959][ T8158] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 147.237741][ T8158] ? __kmalloc_track_caller+0x60e/0x780 [ 147.243256][ T8158] ? __x64_sys_mount+0x169/0x1c0 [ 147.248163][ T8158] ? do_syscall_64+0xd0/0x600 [ 147.252813][ T8158] ? lockdep_init_map+0x1b6/0x6c0 [ 147.257812][ T8158] v9fs_session_init+0x1ed/0x14c0 [ 147.262805][ T8158] ? v9fs_session_init+0x1ed/0x14c0 [ 147.267976][ T8158] ? find_held_lock+0x36/0x1d0 [ 147.272712][ T8158] ? v9fs_show_options+0x6c0/0x6c0 [ 147.277795][ T8158] ? __kasan_check_read+0x11/0x20 [ 147.282796][ T8158] ? v9fs_mount+0x55/0x7f0 [ 147.287189][ T8158] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 147.292702][ T8158] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 147.298736][ T8158] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 147.304514][ T8158] ? kmem_cache_alloc_trace+0x39e/0x780 [ 147.310040][ T8158] ? apparmor_task_alloc+0x2f0/0x2f0 [ 147.315296][ T8158] v9fs_mount+0x72/0x7f0 [ 147.319512][ T8158] ? v9fs_write_inode+0x50/0x50 [ 147.324332][ T8158] legacy_get_tree+0x103/0x1f0 [ 147.329089][ T8158] vfs_get_tree+0x8b/0x2d0 [ 147.333491][ T8158] ? capable+0x14/0x20 [ 147.337541][ T8158] do_mount+0x1270/0x1b60 [ 147.341848][ T8158] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 147.347367][ T8158] ? copy_mount_string+0x20/0x20 [ 147.352286][ T8158] ? kmem_cache_alloc_trace+0x39e/0x780 [ 147.357816][ T8158] ? __kasan_check_write+0x14/0x20 [ 147.363595][ T8158] ? __kasan_check_read+0x11/0x20 [ 147.368589][ T8158] ? copy_mount_options+0x77/0x2c0 [ 147.373674][ T8158] __x64_sys_mount+0x169/0x1c0 [ 147.378426][ T8158] do_syscall_64+0xd0/0x600 [ 147.382915][ T8158] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.388785][ T8158] RIP: 0033:0x458da9 [ 147.392651][ T8158] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 147.412226][ T8158] RSP: 002b:00007fcbccceac78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 147.420609][ T8158] RAX: ffffffffffffffda RBX: 00007fcbccceac90 RCX: 0000000000458da9 [ 147.428555][ T8158] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 147.436512][ T8158] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 147.444468][ T8158] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbccceb6d4 [ 147.452410][ T8158] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 147.460513][ T8155] CPU: 1 PID: 8155 Comm: syz-executor.2 Not tainted 5.5.0-rc2-syzkaller #0 [ 147.469083][ T8155] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.469086][ T8155] Call Trace: [ 147.469096][ T8155] dump_stack+0x12d/0x187 [ 147.469107][ T8155] should_fail.cold.4+0x5/0x13 [ 147.469114][ T8155] ? fault_create_debugfs_attr+0x150/0x150 [ 147.469125][ T8155] ? ___might_sleep+0x16b/0x2b0 [ 147.492916][ T8167] FAULT_INJECTION: forcing a failure. [ 147.492916][ T8167] name failslab, interval 1, probability 0, space 0, times 0 [ 147.497348][ T8155] __should_failslab+0xba/0xf0 [ 147.520431][ T8155] should_failslab+0x9/0x14 [ 147.524908][ T8155] __kmalloc+0x2eb/0x790 [ 147.529126][ T8155] ? p9_fcall_init.isra.2+0x55/0x1c0 [ 147.534390][ T8155] p9_fcall_init.isra.2+0x55/0x1c0 [ 147.539493][ T8155] p9_client_prepare_req.part.5+0x116/0x670 [ 147.545378][ T8155] p9_client_rpc+0x174/0xe50 [ 147.549958][ T8155] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 147.555738][ T8155] ? p9_client_prepare_req.part.5+0x670/0x670 [ 147.561780][ T8155] ? add_wait_queue+0x107/0x160 [ 147.566610][ T8155] ? p9_pollwait+0x182/0x210 [ 147.571179][ T8155] ? pipe_poll+0x80/0x300 [ 147.575491][ T8155] ? p9_fd_poll+0x19b/0x2a0 [ 147.579969][ T8155] ? p9_conn_create+0x399/0x4e0 [ 147.584799][ T8155] ? p9_conn_create+0x4e0/0x4e0 [ 147.589624][ T8155] p9_client_create+0x7ec/0x10e0 [ 147.594543][ T8155] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 147.600579][ T8155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 147.606095][ T8155] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 147.612141][ T8155] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 147.617921][ T8155] ? __kmalloc_track_caller+0x60e/0x780 [ 147.623438][ T8155] ? __x64_sys_mount+0x169/0x1c0 [ 147.628355][ T8155] ? do_syscall_64+0xd0/0x600 [ 147.633002][ T8155] ? lockdep_init_map+0x1b6/0x6c0 [ 147.638001][ T8155] v9fs_session_init+0x1ed/0x14c0 [ 147.642997][ T8155] ? v9fs_session_init+0x1ed/0x14c0 [ 147.648255][ T8155] ? find_held_lock+0x36/0x1d0 [ 147.652992][ T8155] ? v9fs_show_options+0x6c0/0x6c0 [ 147.658083][ T8155] ? __kasan_check_read+0x11/0x20 [ 147.663078][ T8155] ? v9fs_mount+0x55/0x7f0 [ 147.667473][ T8155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 147.672989][ T8155] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 147.679023][ T8155] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 147.684813][ T8155] ? kmem_cache_alloc_trace+0x39e/0x780 [ 147.690507][ T8155] ? apparmor_task_alloc+0x2f0/0x2f0 [ 147.695852][ T8155] v9fs_mount+0x72/0x7f0 [ 147.700229][ T8155] ? v9fs_write_inode+0x50/0x50 [ 147.705056][ T8155] legacy_get_tree+0x103/0x1f0 [ 147.709791][ T8155] vfs_get_tree+0x8b/0x2d0 [ 147.714178][ T8155] ? capable+0x14/0x20 [ 147.718218][ T8155] do_mount+0x1270/0x1b60 [ 147.722519][ T8155] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 147.728046][ T8155] ? copy_mount_string+0x20/0x20 [ 147.732955][ T8155] ? kmem_cache_alloc_trace+0x39e/0x780 [ 147.738478][ T8155] ? __kasan_check_write+0x14/0x20 [ 147.743561][ T8155] ? __kasan_check_read+0x11/0x20 [ 147.748554][ T8155] ? copy_mount_options+0x77/0x2c0 [ 147.753647][ T8155] __x64_sys_mount+0x169/0x1c0 [ 147.758387][ T8155] do_syscall_64+0xd0/0x600 [ 147.762862][ T8155] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 147.768737][ T8155] RIP: 0033:0x458da9 [ 147.772607][ T8155] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 147.793147][ T8155] RSP: 002b:00007fcab8579c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 147.801537][ T8155] RAX: ffffffffffffffda RBX: 00007fcab8579c90 RCX: 0000000000458da9 [ 147.809482][ T8155] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 147.817428][ T8155] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 147.825370][ T8155] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcab857a6d4 [ 147.833313][ T8155] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 147.841286][ T8167] CPU: 0 PID: 8167 Comm: syz-executor.0 Not tainted 5.5.0-rc2-syzkaller #0 [ 147.849872][ T8167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 147.859920][ T8167] Call Trace: [ 147.863104][ T8169] FAULT_INJECTION: forcing a failure. [ 147.863104][ T8169] name failslab, interval 1, probability 0, space 0, times 0 [ 147.863200][ T8167] dump_stack+0x12d/0x187 [ 147.880073][ T8167] should_fail.cold.4+0x5/0x13 [ 147.884812][ T8167] ? fault_create_debugfs_attr+0x150/0x150 [ 147.890602][ T8167] ? radix_tree_node_alloc.constprop.18+0x180/0x330 [ 147.897162][ T8167] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 147.903809][ T8167] __should_failslab+0xba/0xf0 [ 147.908548][ T8167] should_failslab+0x9/0x14 [ 147.913021][ T8167] kmem_cache_alloc+0x47/0x750 [ 147.917758][ T8167] ? __x64_sys_mount+0x169/0x1c0 [ 147.922665][ T8167] ? do_syscall_64+0xd0/0x600 [ 147.927312][ T8167] ? v9fs_mount+0x72/0x7f0 [ 147.931709][ T8167] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 147.938105][ T8167] idr_get_free+0x35d/0x880 [ 147.942588][ T8167] idr_alloc_u32+0x13a/0x330 [ 147.947156][ T8167] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 147.952671][ T8167] ? mark_held_locks+0x130/0x130 [ 147.957666][ T8167] ? __kasan_check_write+0x14/0x20 [ 147.963007][ T8167] ? do_raw_spin_lock+0x132/0x2e0 [ 147.968005][ T8167] idr_alloc+0x7d/0xc0 [ 147.972044][ T8167] ? idr_alloc_u32+0x330/0x330 [ 147.976782][ T8167] p9_client_prepare_req.part.5+0x571/0x670 [ 147.982657][ T8167] p9_client_rpc+0x174/0xe50 [ 147.987229][ T8167] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 147.993179][ T8167] ? p9_client_prepare_req.part.5+0x670/0x670 [ 147.999232][ T8167] ? add_wait_queue+0x107/0x160 [ 148.004062][ T8167] ? p9_pollwait+0x182/0x210 [ 148.008648][ T8167] ? pipe_poll+0x80/0x300 [ 148.012958][ T8167] ? p9_fd_poll+0x19b/0x2a0 [ 148.017438][ T8167] ? p9_conn_create+0x399/0x4e0 [ 148.022272][ T8167] ? p9_conn_create+0x4e0/0x4e0 [ 148.027117][ T8167] p9_client_create+0x7ec/0x10e0 [ 148.032038][ T8167] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 148.038096][ T8167] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 148.043619][ T8167] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 148.049666][ T8167] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 148.055448][ T8167] ? __kmalloc_track_caller+0x60e/0x780 [ 148.060971][ T8167] ? __x64_sys_mount+0x169/0x1c0 [ 148.065878][ T8167] ? do_syscall_64+0xd0/0x600 [ 148.070542][ T8167] ? lockdep_init_map+0x1b6/0x6c0 [ 148.075561][ T8167] v9fs_session_init+0x1ed/0x14c0 [ 148.080576][ T8167] ? v9fs_session_init+0x1ed/0x14c0 [ 148.085780][ T8167] ? find_held_lock+0x36/0x1d0 [ 148.090525][ T8167] ? v9fs_show_options+0x6c0/0x6c0 [ 148.095612][ T8167] ? __kasan_check_read+0x11/0x20 [ 148.100614][ T8167] ? v9fs_mount+0x55/0x7f0 [ 148.105001][ T8167] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 148.111480][ T8167] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 148.117519][ T8167] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 148.123315][ T8167] ? kmem_cache_alloc_trace+0x39e/0x780 [ 148.128919][ T8167] ? apparmor_task_alloc+0x2f0/0x2f0 [ 148.134181][ T8167] v9fs_mount+0x72/0x7f0 [ 148.138404][ T8167] ? v9fs_write_inode+0x50/0x50 [ 148.143226][ T8167] legacy_get_tree+0x103/0x1f0 [ 148.147963][ T8167] vfs_get_tree+0x8b/0x2d0 [ 148.152348][ T8167] ? capable+0x14/0x20 [ 148.156405][ T8167] do_mount+0x1270/0x1b60 [ 148.160729][ T8167] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 148.166254][ T8167] ? copy_mount_string+0x20/0x20 [ 148.171174][ T8167] ? kmem_cache_alloc_trace+0x39e/0x780 [ 148.177663][ T8167] ? __kasan_check_write+0x14/0x20 [ 148.182763][ T8167] ? _copy_from_user+0xd6/0x110 [ 148.187611][ T8167] ? __kasan_check_read+0x11/0x20 [ 148.192616][ T8167] ? copy_mount_options+0x77/0x2c0 [ 148.197745][ T8167] __x64_sys_mount+0x169/0x1c0 [ 148.202495][ T8167] do_syscall_64+0xd0/0x600 [ 148.206973][ T8167] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 148.212841][ T8167] RIP: 0033:0x458da9 [ 148.216709][ T8167] Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 148.236392][ T8167] RSP: 002b:00007f374cdadc78 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 148.244774][ T8167] RAX: ffffffffffffffda RBX: 00007f374cdadc90 RCX: 0000000000458da9 [ 148.252720][ T8167] RDX: 0000000020000100 RSI: 00000000200000c0 RDI: 0000000000000000 [ 148.260667][ T8167] RBP: 000000000073bf00 R08: 00000000200013c0 R09: 0000000000000000 [ 148.268612][ T8167] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f374cdae6d4 [ 148.276555][ T8167] R13: 00000000004c4da7 R14: 00000000004d8a20 R15: 0000000000000005 [ 148.284516][ T8169] CPU: 1 PID: 8169 Comm: syz-executor.1 Not tainted 5.5.0-rc2-syzkaller #0 [ 148.291132][ T8171] FAULT_INJECTION: forcing a failure. [ 148.291132][ T8171] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 148.293092][ T8169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 148.317248][ T8169] Call Trace: [ 148.320860][ T8169] dump_stack+0x12d/0x187 [ 148.325180][ T8169] should_fail.cold.4+0x5/0x13 [ 148.329918][ T8169] ? stack_trace_save+0x82/0xb0 [ 148.334746][ T8169] ? fault_create_debugfs_attr+0x150/0x150 [ 148.340541][ T8169] __should_failslab+0xba/0xf0 [ 148.345282][ T8169] should_failslab+0x9/0x14 [ 148.349762][ T8169] kmem_cache_alloc+0x47/0x750 [ 148.354498][ T8169] ? __x64_sys_mount+0x169/0x1c0 [ 148.359408][ T8169] ? do_syscall_64+0xd0/0x600 [ 148.364057][ T8169] ? v9fs_session_init+0x1ed/0x14c0 [ 148.369224][ T8169] ? v9fs_mount+0x72/0x7f0 [ 148.373610][ T8169] ? legacy_get_tree+0x103/0x1f0 [ 148.378520][ T8169] ? vfs_get_tree+0x8b/0x2d0 [ 148.383081][ T8169] ? do_mount+0x1270/0x1b60 [ 148.387559][ T8169] radix_tree_node_alloc.constprop.18+0x180/0x330 [ 148.393943][ T8169] ? __kasan_check_read+0x11/0x20 [ 148.398940][ T8169] idr_get_free+0x35d/0x880 [ 148.403430][ T8169] ? __kasan_check_read+0x11/0x20 [ 148.408429][ T8169] idr_alloc_u32+0x13a/0x330 [ 148.412994][ T8169] ? __fprop_inc_percpu_max+0x1e0/0x1e0 [ 148.418683][ T8169] ? mark_held_locks+0x130/0x130 [ 148.423596][ T8169] ? __kasan_check_write+0x14/0x20 [ 148.428677][ T8169] ? do_raw_spin_lock+0x132/0x2e0 [ 148.433674][ T8169] idr_alloc+0x7d/0xc0 [ 148.437713][ T8169] ? idr_alloc_u32+0x330/0x330 [ 148.442455][ T8169] p9_client_prepare_req.part.5+0x571/0x670 [ 148.448323][ T8169] p9_client_rpc+0x174/0xe50 [ 148.452886][ T8169] ? _raw_spin_unlock_irqrestore+0x68/0xd0 [ 148.458661][ T8169] ? p9_client_prepare_req.part.5+0x670/0x670 [ 148.464698][ T8169] ? add_wait_queue+0x107/0x160 [ 148.469520][ T8169] ? p9_pollwait+0x182/0x210 [ 148.474093][ T8169] ? pipe_poll+0x80/0x300 [ 148.478395][ T8169] ? p9_fd_poll+0x19b/0x2a0 [ 148.482870][ T8169] ? p9_conn_create+0x399/0x4e0 [ 148.487693][ T8169] ? p9_conn_create+0x4e0/0x4e0 [ 148.492520][ T8169] p9_client_create+0x7ec/0x10e0 [ 148.497434][ T8169] ? p9_client_zc_rpc.constprop.7+0xdf0/0xdf0 [ 148.503473][ T8169] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 148.508986][ T8169] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 148.515038][ T8169] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 148.520836][ T8169] ? __kmalloc_track_caller+0x60e/0x780 [ 148.526360][ T8169] ? __x64_sys_mount+0x169/0x1c0 [ 148.531283][ T8169] ? do_syscall_64+0xd0/0x600 [ 148.535953][ T8169] ? lockdep_init_map+0x1b6/0x6c0 [ 148.540958][ T8169] v9fs_session_init+0x1ed/0x14c0 [ 148.545954][ T8169] ? v9fs_session_init+0x1ed/0x14c0 [ 148.551142][ T8169] ? find_held_lock+0x36/0x1d0 [ 148.555894][ T8169] ? v9fs_show_options+0x6c0/0x6c0 [ 148.560996][ T8169] ? __kasan_check_read+0x11/0x20 [ 148.566000][ T8169] ? v9fs_mount+0x55/0x7f0 [ 148.570403][ T8169] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 148.575920][ T8169] ? rcu_read_lock_any_held.part.10+0x50/0x50 [ 148.581959][ T8169] ? __kasan_kmalloc.constprop.9+0xc7/0xd0 [ 148.587739][ T8169] ? kmem_cache_alloc_trace+0x39e/0x780 [ 148.593258][ T8169] ? retint_kernel+0x2b/0x2b [ 148.597819][ T8169] ? apparmor_task_alloc+0x2f0/0x2f0 [ 148.603079][ T8169] v9fs_mount+0x72/0x7f0 [ 148.607294][ T8169] ? v9fs_write_inode+0x50/0x50 [ 148.612135][ T8169] legacy_get_tree+0x103/0x1f0 [ 148.616894][ T8169] vfs_get_tree+0x8b/0x2d0 [ 148.621302][ T8169] ? capable+0x14/0x20 [ 148.625351][ T8169] do_mount+0x1270/0x1b60 [ 148.629663][ T8169] ? rcu_read_lock_sched_held+0x9c/0x