[....] 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: [ 48.744127][ T7680] IPVS: ftp: loaded support on port[0] = 21 [ 49.033782][ T7] tipc: TX() has been purged, node left! [ 49.222864][ T7685] can: request_module (can-proto-0) failed. [ 52.097298][ T7685] can: request_module (can-proto-0) failed. Warning: Permanently added '10.128.10.0' (ECDSA) to the list of known hosts. 2020/01/13 20:39:35 parsed 1 programs 2020/01/13 20:39:36 executed programs: 0 [ 60.485262][ T7756] IPVS: ftp: loaded support on port[0] = 21 [ 60.493048][ T7763] IPVS: ftp: loaded support on port[0] = 21 [ 60.508450][ T7765] IPVS: ftp: loaded support on port[0] = 21 [ 60.515379][ T7759] IPVS: ftp: loaded support on port[0] = 21 [ 60.527178][ T7761] IPVS: ftp: loaded support on port[0] = 21 [ 60.541366][ T7766] IPVS: ftp: loaded support on port[0] = 21 [ 60.735262][ T7765] chnl_net:caif_netlink_parms(): no params data found [ 60.785342][ T7763] chnl_net:caif_netlink_parms(): no params data found [ 60.813265][ T7756] chnl_net:caif_netlink_parms(): no params data found [ 60.837767][ T7766] chnl_net:caif_netlink_parms(): no params data found [ 60.869978][ T7759] chnl_net:caif_netlink_parms(): no params data found [ 60.922391][ T7763] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.931743][ T7763] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.939849][ T7763] device bridge_slave_0 entered promiscuous mode [ 60.950359][ T7765] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.958071][ T7765] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.966092][ T7765] device bridge_slave_0 entered promiscuous mode [ 60.989402][ T7766] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.996944][ T7766] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.005212][ T7766] device bridge_slave_0 entered promiscuous mode [ 61.012167][ T7763] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.019372][ T7763] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.029228][ T7763] device bridge_slave_1 entered promiscuous mode [ 61.041232][ T7765] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.048429][ T7765] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.056033][ T7765] device bridge_slave_1 entered promiscuous mode [ 61.071329][ T7759] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.079120][ T7759] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.086815][ T7759] device bridge_slave_0 entered promiscuous mode [ 61.094817][ T7759] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.101911][ T7759] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.109516][ T7759] device bridge_slave_1 entered promiscuous mode [ 61.116430][ T7766] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.123461][ T7766] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.131697][ T7766] device bridge_slave_1 entered promiscuous mode [ 61.138761][ T7761] chnl_net:caif_netlink_parms(): no params data found [ 61.162571][ T7756] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.169846][ T7756] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.177913][ T7756] device bridge_slave_0 entered promiscuous mode [ 61.189311][ T7756] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.198345][ T7756] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.206239][ T7756] device bridge_slave_1 entered promiscuous mode [ 61.219894][ T7763] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.233453][ T7763] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.257017][ T7759] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.272819][ T7765] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.287004][ T7765] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.306571][ T7759] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.316764][ T7766] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.327833][ T7766] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.351169][ T7756] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.375343][ T7763] team0: Port device team_slave_0 added [ 61.386958][ T7765] team0: Port device team_slave_0 added [ 61.392790][ T7761] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.399985][ T7761] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.410367][ T7761] device bridge_slave_0 entered promiscuous mode [ 61.418904][ T7756] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.432720][ T7759] team0: Port device team_slave_0 added [ 61.442495][ T7765] team0: Port device team_slave_1 added [ 61.449312][ T7763] team0: Port device team_slave_1 added [ 61.457762][ T7761] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.464911][ T7761] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.472384][ T7761] device bridge_slave_1 entered promiscuous mode [ 61.487777][ T7766] team0: Port device team_slave_0 added [ 61.499708][ T7759] team0: Port device team_slave_1 added [ 61.526410][ T7766] team0: Port device team_slave_1 added [ 61.533027][ T7756] team0: Port device team_slave_0 added [ 61.546498][ T7761] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.557759][ T7761] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.616495][ T7763] device hsr_slave_0 entered promiscuous mode [ 61.654126][ T7763] device hsr_slave_1 entered promiscuous mode [ 61.725115][ T7756] team0: Port device team_slave_1 added [ 61.776280][ T7765] device hsr_slave_0 entered promiscuous mode [ 61.824370][ T7765] device hsr_slave_1 entered promiscuous mode [ 61.863844][ T7765] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 61.871621][ T7765] Cannot create hsr debugfs directory [ 61.891723][ T7761] team0: Port device team_slave_0 added [ 61.956263][ T7759] device hsr_slave_0 entered promiscuous mode [ 61.994055][ T7759] device hsr_slave_1 entered promiscuous mode [ 62.033819][ T7759] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.041403][ T7759] Cannot create hsr debugfs directory [ 62.063128][ T7761] team0: Port device team_slave_1 added [ 62.116468][ T7766] device hsr_slave_0 entered promiscuous mode [ 62.154192][ T7766] device hsr_slave_1 entered promiscuous mode [ 62.193753][ T7766] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.201322][ T7766] Cannot create hsr debugfs directory [ 62.276413][ T7761] device hsr_slave_0 entered promiscuous mode [ 62.314027][ T7761] device hsr_slave_1 entered promiscuous mode [ 62.353752][ T7761] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.361372][ T7761] Cannot create hsr debugfs directory [ 62.425311][ T7756] device hsr_slave_0 entered promiscuous mode [ 62.494098][ T7756] device hsr_slave_1 entered promiscuous mode [ 62.533774][ T7756] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.541403][ T7756] Cannot create hsr debugfs directory [ 62.659389][ T7759] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.671884][ T7765] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.706092][ T7763] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.718716][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.727213][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.738057][ T7765] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.747385][ T7756] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.764922][ T7759] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.772522][ T7763] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.789472][ T7761] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.796309][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.804036][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.811835][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.820111][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.827932][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.835835][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.843337][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.852195][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.860833][ T2838] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.867994][ T2838] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.876255][ T2838] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.888593][ T7756] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.905752][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.917731][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.926520][ T2651] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.933565][ T2651] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.941483][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.950041][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.959576][ T2651] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.966648][ T2651] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.974208][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.982659][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.991040][ T2651] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.998092][ T2651] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.006434][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.014485][ T2651] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.040392][ T7765] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.051070][ T7765] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.070501][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.082312][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.090962][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.100348][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.108845][ T2851] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.115991][ T2851] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.123548][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.132760][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.141107][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.149414][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.158055][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.166448][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.174967][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.183379][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.191703][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.200266][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.208896][ T2851] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.216004][ T2851] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.223466][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.232337][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.240674][ T2851] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.247749][ T2851] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.255644][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.264912][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.272476][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.280047][ T2851] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.300887][ T7761] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.327573][ T7766] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.334441][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.342863][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.352319][ T2551] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.359398][ T2551] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.367866][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.377008][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.385528][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.393026][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.400718][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.409235][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.419408][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.428020][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.436974][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.469691][ T7759] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 63.480504][ T7759] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.492611][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.503964][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.512319][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.521031][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.529703][ T2551] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.536797][ T2551] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.544901][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.553252][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.561514][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.570052][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.578491][ T2551] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.585583][ T2551] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.593044][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.601868][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.610315][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 63.618742][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.627083][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.635300][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.643589][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.651935][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.660653][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.669434][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.677636][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.686015][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.694311][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.702344][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.710712][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.719005][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.727298][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.737332][ T7765] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.751878][ T7766] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.764735][ T7756] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.779802][ T7756] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.788182][ T7763] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.800124][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.808904][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.816779][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.824461][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.831980][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.840049][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.848696][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.863766][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.872089][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.884451][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.892640][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.901794][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.910218][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.918706][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.941799][ T7759] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 63.963159][ T7761] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 63.976384][ T7761] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.990287][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.998489][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 64.009383][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 64.017887][ T2830] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.025145][ T2830] bridge0: port 1(bridge_slave_0) entered forwarding state [ 64.032700][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 64.041313][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 64.049736][ T2830] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.057822][ T2830] bridge0: port 2(bridge_slave_1) entered forwarding state [ 64.065480][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.073729][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.081839][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.091160][ T2830] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 64.114693][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.124447][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.139620][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.148934][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.157929][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.166340][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.174668][ T2551] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.185493][ T7763] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.201413][ T7766] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.219923][ T7766] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.245868][ T7756] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.255549][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.263240][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.285815][ T2712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.306725][ T7789] FAULT_INJECTION: forcing a failure. [ 64.306725][ T7789] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 64.315510][ T7761] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.320087][ T7789] CPU: 1 PID: 7789 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 64.335399][ T7789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.345453][ T7789] Call Trace: [ 64.348900][ T7789] dump_stack+0x12d/0x187 [ 64.353355][ T7789] should_fail.cold.4+0x5/0x13 [ 64.358122][ T7789] ? fault_create_debugfs_attr+0x150/0x150 [ 64.363922][ T7789] ? __lock_acquire+0x100f/0x4ef0 [ 64.368954][ T7789] ? __kasan_check_read+0x11/0x20 [ 64.373979][ T7789] should_fail_alloc_page+0x50/0x60 [ 64.379177][ T7789] __alloc_pages_nodemask+0x17f/0x890 [ 64.384546][ T7789] ? __alloc_pages_slowpath+0x2570/0x2570 [ 64.390265][ T7789] cache_grow_begin+0x92/0xc90 [ 64.395009][ T7789] ? __kmalloc+0xc5/0x790 [ 64.395017][ T7789] ? trace_hardirqs_off+0x41/0x1a0 [ 64.395024][ T7789] __kmalloc+0x6ca/0x790 [ 64.395032][ T7789] ? tty_write_lock+0x19/0x50 [ 64.395038][ T7789] ? tty_write+0x592/0x7d0 [ 64.395046][ T7789] tty_write+0x592/0x7d0 [ 64.395055][ T7789] ? ksys_dup3+0x2e0/0x2e0 [ 64.395061][ T7789] ? n_tty_open+0x160/0x160 [ 64.395071][ T7789] __vfs_write+0x5e/0x110 [ 64.395079][ T7789] vfs_write+0x18a/0x520 [ 64.395088][ T7789] ksys_write+0x105/0x220 [ 64.395096][ T7789] ? __ia32_sys_read+0xa0/0xa0 [ 64.395104][ T7789] ? do_syscall_64+0x21/0x5f0 [ 64.395112][ T7789] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.395121][ T7789] __x64_sys_write+0x6e/0xb0 [ 64.395128][ T7789] do_syscall_64+0xca/0x5f0 [ 64.395137][ T7789] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.395143][ T7789] RIP: 0033:0x4592c9 [ 64.395150][ T7789] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.395153][ T7789] RSP: 002b:00007f1cf01d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.395159][ T7789] RAX: ffffffffffffffda RBX: 00007f1cf01d0c90 RCX: 00000000004592c9 [ 64.395161][ T7789] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 64.395165][ T7789] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 64.395169][ T7789] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01d16d4 [ 64.395172][ T7789] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 64.442044][ T7796] FAULT_INJECTION: forcing a failure. [ 64.442044][ T7796] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.463283][ T7766] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.464387][ T7796] CPU: 1 PID: 7796 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 64.464390][ T7796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.464393][ T7796] Call Trace: [ 64.464405][ T7796] dump_stack+0x12d/0x187 [ 64.464416][ T7796] should_fail.cold.4+0x5/0x13 [ 64.464424][ T7796] ? fault_create_debugfs_attr+0x150/0x150 [ 64.464429][ T7796] ? __lock_acquire+0x100f/0x4ef0 [ 64.464440][ T7796] ? __kasan_check_read+0x11/0x20 [ 64.464450][ T7796] should_fail_alloc_page+0x50/0x60 [ 64.464455][ T7796] __alloc_pages_nodemask+0x17f/0x890 [ 64.464464][ T7796] ? __alloc_pages_slowpath+0x2570/0x2570 [ 64.464482][ T7796] cache_grow_begin+0x92/0xc90 [ 64.475046][ T7796] ? __kmalloc+0xc5/0x790 [ 64.501112][ T7798] FAULT_INJECTION: forcing a failure. [ 64.501112][ T7798] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.507523][ T7796] ? trace_hardirqs_off+0x41/0x1a0 [ 64.658108][ T7796] __kmalloc+0x6ca/0x790 [ 64.662326][ T7796] ? tty_write_lock+0x19/0x50 [ 64.666977][ T7796] ? tty_write+0x592/0x7d0 [ 64.671552][ T7796] tty_write+0x592/0x7d0 [ 64.675771][ T7796] ? ksys_dup3+0x2e0/0x2e0 [ 64.680174][ T7796] ? n_tty_open+0x160/0x160 [ 64.684656][ T7796] __vfs_write+0x5e/0x110 [ 64.688958][ T7796] vfs_write+0x18a/0x520 [ 64.693176][ T7796] ksys_write+0x105/0x220 [ 64.697480][ T7796] ? __ia32_sys_read+0xa0/0xa0 [ 64.702217][ T7796] ? do_syscall_64+0x21/0x5f0 [ 64.706876][ T7796] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.712917][ T7796] __x64_sys_write+0x6e/0xb0 [ 64.717488][ T7796] do_syscall_64+0xca/0x5f0 [ 64.721967][ T7796] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.727833][ T7796] RIP: 0033:0x4592c9 [ 64.731700][ T7796] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.751657][ T7796] RSP: 002b:00007f1cf01d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.760040][ T7796] RAX: ffffffffffffffda RBX: 00007f1cf01d0c90 RCX: 00000000004592c9 [ 64.767991][ T7796] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 64.775939][ T7796] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 64.783886][ T7796] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01d16d4 [ 64.791832][ T7796] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 64.799800][ T7798] CPU: 0 PID: 7798 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 64.808375][ T7798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.818414][ T7798] Call Trace: [ 64.818426][ T7798] dump_stack+0x12d/0x187 [ 64.818438][ T7798] should_fail.cold.4+0x5/0x13 [ 64.818445][ T7798] ? fault_create_debugfs_attr+0x150/0x150 [ 64.818451][ T7798] ? __lock_acquire+0x100f/0x4ef0 [ 64.818461][ T7798] ? __kasan_check_read+0x11/0x20 [ 64.818470][ T7798] should_fail_alloc_page+0x50/0x60 [ 64.818476][ T7798] __alloc_pages_nodemask+0x17f/0x890 [ 64.818484][ T7798] ? __alloc_pages_slowpath+0x2570/0x2570 [ 64.826091][ T7798] cache_grow_begin+0x92/0xc90 [ 64.826096][ T7798] ? __kmalloc+0xc5/0x790 [ 64.826104][ T7798] ? trace_hardirqs_off+0x41/0x1a0 [ 64.826112][ T7798] __kmalloc+0x6ca/0x790 [ 64.826121][ T7798] ? tty_write_lock+0x19/0x50 [ 64.826127][ T7798] ? tty_write+0x592/0x7d0 [ 64.846656][ T7798] tty_write+0x592/0x7d0 [ 64.846666][ T7798] ? ksys_dup3+0x2e0/0x2e0 [ 64.846672][ T7798] ? n_tty_open+0x160/0x160 [ 64.846685][ T7798] __vfs_write+0x5e/0x110 [ 64.862917][ T7798] vfs_write+0x18a/0x520 [ 64.862928][ T7798] ksys_write+0x105/0x220 [ 64.862937][ T7798] ? __ia32_sys_read+0xa0/0xa0 [ 64.862948][ T7798] ? do_syscall_64+0x21/0x5f0 [ 64.873983][ T7802] FAULT_INJECTION: forcing a failure. [ 64.873983][ T7802] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 64.877108][ T7798] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.944792][ T7798] __x64_sys_write+0x6e/0xb0 [ 64.949360][ T7798] do_syscall_64+0xca/0x5f0 [ 64.953861][ T7798] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 64.959749][ T7798] RIP: 0033:0x4592c9 [ 64.963636][ T7798] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 64.983234][ T7798] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 64.991626][ T7798] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 64.999582][ T7798] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 65.008240][ T7798] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 65.016184][ T7798] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 65.024128][ T7798] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 65.032095][ T7802] CPU: 1 PID: 7802 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 65.040710][ T7802] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.050757][ T7802] Call Trace: [ 65.054046][ T7802] dump_stack+0x12d/0x187 [ 65.058378][ T7802] should_fail.cold.4+0x5/0x13 [ 65.063143][ T7802] ? fault_create_debugfs_attr+0x150/0x150 [ 65.069029][ T7802] ? __lock_acquire+0x100f/0x4ef0 [ 65.074054][ T7802] ? __kasan_check_read+0x11/0x20 [ 65.079099][ T7802] should_fail_alloc_page+0x50/0x60 [ 65.084318][ T7802] __alloc_pages_nodemask+0x17f/0x890 [ 65.089693][ T7802] ? __alloc_pages_slowpath+0x2570/0x2570 [ 65.095420][ T7802] cache_grow_begin+0x92/0xc90 [ 65.100170][ T7802] ? __kmalloc+0xc5/0x790 [ 65.104611][ T7802] ? trace_hardirqs_off+0x41/0x1a0 [ 65.109806][ T7802] __kmalloc+0x6ca/0x790 [ 65.114042][ T7802] ? tty_write_lock+0x19/0x50 [ 65.118714][ T7802] ? tty_write+0x592/0x7d0 [ 65.123125][ T7802] tty_write+0x592/0x7d0 [ 65.127352][ T7802] ? ksys_dup3+0x2e0/0x2e0 [ 65.131760][ T7802] ? n_tty_open+0x160/0x160 [ 65.136248][ T7802] __vfs_write+0x5e/0x110 [ 65.140554][ T7802] vfs_write+0x18a/0x520 [ 65.144772][ T7802] ksys_write+0x105/0x220 [ 65.149079][ T7802] ? __ia32_sys_read+0xa0/0xa0 [ 65.153818][ T7802] ? do_syscall_64+0x21/0x5f0 [ 65.158504][ T7802] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.164545][ T7802] __x64_sys_write+0x6e/0xb0 [ 65.169178][ T7802] do_syscall_64+0xca/0x5f0 [ 65.173677][ T7802] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.179557][ T7802] RIP: 0033:0x4592c9 [ 65.183423][ T7802] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.203002][ T7802] RSP: 002b:00007f1cf01d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.211392][ T7802] RAX: ffffffffffffffda RBX: 00007f1cf01d0c90 RCX: 00000000004592c9 [ 65.219375][ T7802] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 65.227331][ T7802] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 65.235278][ T7802] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01d16d4 [ 65.243219][ T7802] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 65.328150][ T7811] FAULT_INJECTION: forcing a failure. [ 65.328150][ T7811] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.341373][ T7811] CPU: 0 PID: 7811 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 65.344739][ T7816] FAULT_INJECTION: forcing a failure. [ 65.344739][ T7816] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.350997][ T7811] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.351003][ T7811] Call Trace: [ 65.377481][ T7811] dump_stack+0x12d/0x187 [ 65.381792][ T7811] should_fail.cold.4+0x5/0x13 [ 65.386532][ T7811] ? fault_create_debugfs_attr+0x150/0x150 [ 65.392578][ T7811] ? __lock_acquire+0x100f/0x4ef0 [ 65.397664][ T7811] ? __kasan_check_read+0x11/0x20 [ 65.402666][ T7811] should_fail_alloc_page+0x50/0x60 [ 65.407837][ T7811] __alloc_pages_nodemask+0x17f/0x890 [ 65.413180][ T7811] ? __alloc_pages_slowpath+0x2570/0x2570 [ 65.418894][ T7811] cache_grow_begin+0x92/0xc90 [ 65.423646][ T7811] ? __kmalloc+0xc5/0x790 [ 65.427954][ T7811] ? trace_hardirqs_off+0x41/0x1a0 [ 65.433045][ T7811] __kmalloc+0x6ca/0x790 [ 65.437267][ T7811] ? tty_write_lock+0x19/0x50 [ 65.441936][ T7811] ? tty_write+0x592/0x7d0 [ 65.446330][ T7811] tty_write+0x592/0x7d0 [ 65.450553][ T7811] ? ksys_dup3+0x2e0/0x2e0 [ 65.454947][ T7811] ? n_tty_open+0x160/0x160 [ 65.459429][ T7811] __vfs_write+0x5e/0x110 [ 65.463735][ T7811] vfs_write+0x18a/0x520 [ 65.467952][ T7811] ksys_write+0x105/0x220 [ 65.472257][ T7811] ? __ia32_sys_read+0xa0/0xa0 [ 65.476995][ T7811] ? do_syscall_64+0x21/0x5f0 [ 65.481649][ T7811] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.487703][ T7811] __x64_sys_write+0x6e/0xb0 [ 65.492266][ T7811] do_syscall_64+0xca/0x5f0 [ 65.496747][ T7811] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.502616][ T7811] RIP: 0033:0x4592c9 [ 65.506485][ T7811] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.526087][ T7811] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.534507][ T7811] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 65.542460][ T7811] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 65.550420][ T7811] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 65.558385][ T7811] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 65.566346][ T7811] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 65.574325][ T7816] CPU: 1 PID: 7816 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 65.583169][ T7816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.593217][ T7816] Call Trace: [ 65.596502][ T7816] dump_stack+0x12d/0x187 [ 65.600826][ T7816] should_fail.cold.4+0x5/0x13 [ 65.605590][ T7816] ? fault_create_debugfs_attr+0x150/0x150 [ 65.611473][ T7816] ? __lock_acquire+0x100f/0x4ef0 [ 65.616491][ T7816] ? __kasan_check_read+0x11/0x20 [ 65.621499][ T7816] should_fail_alloc_page+0x50/0x60 [ 65.626692][ T7816] __alloc_pages_nodemask+0x17f/0x890 [ 65.632059][ T7816] ? __alloc_pages_slowpath+0x2570/0x2570 [ 65.637781][ T7816] cache_grow_begin+0x92/0xc90 [ 65.642533][ T7816] ? __kmalloc+0xc5/0x790 [ 65.646861][ T7816] ? trace_hardirqs_off+0x41/0x1a0 [ 65.651956][ T7816] __kmalloc+0x6ca/0x790 [ 65.656177][ T7816] ? tty_write_lock+0x19/0x50 [ 65.656183][ T7816] ? tty_write+0x592/0x7d0 [ 65.656191][ T7816] tty_write+0x592/0x7d0 [ 65.656200][ T7816] ? ksys_dup3+0x2e0/0x2e0 [ 65.656206][ T7816] ? n_tty_open+0x160/0x160 [ 65.656216][ T7816] __vfs_write+0x5e/0x110 [ 65.656224][ T7816] vfs_write+0x18a/0x520 [ 65.656232][ T7816] ksys_write+0x105/0x220 [ 65.656240][ T7816] ? __ia32_sys_read+0xa0/0xa0 [ 65.656249][ T7816] ? do_syscall_64+0x21/0x5f0 [ 65.656257][ T7816] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.656267][ T7816] __x64_sys_write+0x6e/0xb0 [ 65.656274][ T7816] do_syscall_64+0xca/0x5f0 [ 65.656283][ T7816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.656289][ T7816] RIP: 0033:0x4592c9 [ 65.656296][ T7816] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 65.656299][ T7816] RSP: 002b:00007f1cf01d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 65.656306][ T7816] RAX: ffffffffffffffda RBX: 00007f1cf01d0c90 RCX: 00000000004592c9 [ 65.720141][ T7821] FAULT_INJECTION: forcing a failure. [ 65.720141][ T7821] name failslab, interval 1, probability 0, space 0, times 1 [ 65.723118][ T7816] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 65.723120][ T7816] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 65.723122][ T7816] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01d16d4 [ 65.723124][ T7816] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 65.737336][ T7817] FAULT_INJECTION: forcing a failure. [ 65.737336][ T7817] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 65.746780][ T7821] CPU: 0 PID: 7821 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 65.829469][ T7821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.839503][ T7821] Call Trace: [ 65.842769][ T7821] dump_stack+0x12d/0x187 [ 65.847069][ T7821] should_fail.cold.4+0x5/0x13 [ 65.851800][ T7821] ? __kasan_check_read+0x11/0x20 [ 65.856796][ T7821] ? fault_create_debugfs_attr+0x150/0x150 [ 65.862573][ T7821] ? __kasan_check_read+0x11/0x20 [ 65.867570][ T7821] ? __lock_acquire+0x100f/0x4ef0 [ 65.872575][ T7821] __should_failslab+0xba/0xf0 [ 65.877312][ T7821] should_failslab+0x9/0x14 [ 65.881792][ T7821] __kmalloc+0x70/0x790 [ 65.885919][ T7821] ? __tty_buffer_request_room+0x1b1/0x550 [ 65.891703][ T7821] __tty_buffer_request_room+0x1b1/0x550 [ 65.897323][ T7821] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 65.903543][ T7821] pty_write+0xf3/0x200 [ 65.907672][ T7821] n_tty_write+0x494/0xfa0 [ 65.912056][ T7821] ? __might_fault+0xf1/0x1b0 [ 65.916706][ T7821] ? n_tty_open+0x160/0x160 [ 65.921177][ T7821] ? prepare_to_wait_exclusive+0x390/0x390 [ 65.926955][ T7821] ? __kasan_check_write+0x14/0x20 [ 65.932038][ T7821] tty_write+0x371/0x7d0 [ 65.936273][ T7821] ? n_tty_open+0x160/0x160 [ 65.940776][ T7821] __vfs_write+0x5e/0x110 [ 65.945093][ T7821] vfs_write+0x18a/0x520 [ 65.949322][ T7821] ksys_write+0x105/0x220 [ 65.953629][ T7821] ? __ia32_sys_read+0xa0/0xa0 [ 65.958370][ T7821] ? do_syscall_64+0x21/0x5f0 [ 65.963045][ T7821] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.969091][ T7821] __x64_sys_write+0x6e/0xb0 [ 65.973653][ T7821] do_syscall_64+0xca/0x5f0 [ 65.978131][ T7821] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 65.983996][ T7821] RIP: 0033:0x4592c9 [ 65.987864][ T7821] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.007439][ T7821] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.015821][ T7821] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 2020/01/13 20:39:41 executed programs: 10 [ 66.023781][ T7821] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 66.031735][ T7821] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 66.039862][ T7821] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 66.047810][ T7821] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 66.055769][ T7817] CPU: 1 PID: 7817 Comm: syz-executor.3 Not tainted 5.5.0-rc6-syzkaller #0 [ 66.055771][ C0] [ 66.055775][ C0] ====================================================== [ 66.055776][ C0] WARNING: possible circular locking dependency detected [ 66.055778][ C0] 5.5.0-rc6-syzkaller #0 Not tainted [ 66.055779][ C0] ------------------------------------------------------ [ 66.055780][ C0] syz-executor.1/7821 is trying to acquire lock: [ 66.055781][ C0] ffffffff88591b20 (console_owner){-.-.}, at: vprintk_emit+0x2c7/0x560 [ 66.055785][ C0] [ 66.055786][ C0] but task is already holding lock: [ 66.055787][ C0] ffff8880959c2140 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xbf/0x200 [ 66.055790][ C0] [ 66.055791][ C0] which lock already depends on the new lock. [ 66.055792][ C0] [ 66.055793][ C0] [ 66.055794][ C0] the existing dependency chain (in reverse order) is: [ 66.055795][ C0] [ 66.055796][ C0] -> #2 (&(&port->lock)->rlock){-.-.}: [ 66.055800][ C0] _raw_spin_lock_irqsave+0x99/0xd0 [ 66.055801][ C0] tty_port_tty_get+0x1d/0xb0 [ 66.055802][ C0] tty_port_default_wakeup+0xa/0x30 [ 66.055804][ C0] tty_port_tty_wakeup+0x53/0x70 [ 66.055805][ C0] uart_write_wakeup+0x37/0x50 [ 66.055806][ C0] serial8250_tx_chars+0x3dc/0x9d0 [ 66.055808][ C0] serial8250_handle_irq.part.27+0x1e1/0x270 [ 66.055809][ C0] serial8250_default_handle_irq+0x7c/0xe0 [ 66.055810][ C0] serial8250_interrupt+0xcc/0x150 [ 66.055812][ C0] __handle_irq_event_percpu+0x120/0x6e0 [ 66.055813][ C0] handle_irq_event_percpu+0x6c/0x140 [ 66.055814][ C0] handle_irq_event+0xa2/0x130 [ 66.055815][ C0] handle_edge_irq+0x206/0x780 [ 66.055816][ C0] do_IRQ+0xde/0x280 [ 66.055817][ C0] ret_from_intr+0x0/0x36 [ 66.055819][ C0] native_safe_halt+0x12/0x20 [ 66.055820][ C0] default_idle+0x51/0x340 [ 66.055821][ C0] arch_cpu_idle+0xa/0x10 [ 66.055822][ C0] default_idle_call+0x87/0xa0 [ 66.055823][ C0] do_idle+0x4b5/0x6d0 [ 66.055824][ C0] cpu_startup_entry+0x18/0x20 [ 66.055825][ C0] start_secondary+0x306/0x3f0 [ 66.055827][ C0] secondary_startup_64+0xa4/0xb0 [ 66.055828][ C0] [ 66.055828][ C0] -> #1 (&port_lock_key){-.-.}: [ 66.055833][ C0] _raw_spin_lock_irqsave+0x99/0xd0 [ 66.055834][ C0] serial8250_console_write+0x1f0/0x800 [ 66.055835][ C0] univ8250_console_write+0x4e/0x70 [ 66.055836][ C0] console_unlock+0x86a/0xbd0 [ 66.055837][ C0] vprintk_emit+0x19a/0x560 [ 66.055838][ C0] vprintk_default+0x1a/0x20 [ 66.055840][ C0] vprintk_func+0x49/0x12c [ 66.055841][ C0] printk+0x9a/0xc0 [ 66.055842][ C0] register_console+0x593/0x930 [ 66.055843][ C0] univ8250_console_init+0x1e/0x28 [ 66.055844][ C0] console_init+0x2ef/0x445 [ 66.055846][ C0] start_kernel+0x4f3/0x766 [ 66.055847][ C0] x86_64_start_reservations+0x29/0x2b [ 66.055848][ C0] x86_64_start_kernel+0x76/0x79 [ 66.055850][ C0] secondary_startup_64+0xa4/0xb0 [ 66.055850][ C0] [ 66.055851][ C0] -> #0 (console_owner){-.-.}: [ 66.055855][ C0] __lock_acquire+0x2899/0x4ef0 [ 66.055857][ C0] lock_acquire+0x194/0x410 [ 66.055858][ C0] vprintk_emit+0x2fa/0x560 [ 66.055859][ C0] vprintk_default+0x1a/0x20 [ 66.055860][ C0] vprintk_func+0x49/0x12c [ 66.055861][ C0] printk+0x9a/0xc0 [ 66.055862][ C0] should_fail+0x551/0x68a [ 66.055863][ C0] __should_failslab+0xba/0xf0 [ 66.055864][ C0] should_failslab+0x9/0x14 [ 66.055866][ C0] __kmalloc+0x70/0x790 [ 66.055867][ C0] __tty_buffer_request_room+0x1b1/0x550 [ 66.055868][ C0] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 66.055869][ C0] pty_write+0xf3/0x200 [ 66.055871][ C0] n_tty_write+0x494/0xfa0 [ 66.055872][ C0] tty_write+0x371/0x7d0 [ 66.055873][ C0] __vfs_write+0x5e/0x110 [ 66.055874][ C0] vfs_write+0x18a/0x520 [ 66.055876][ C0] ksys_write+0x105/0x220 [ 66.055877][ C0] __x64_sys_write+0x6e/0xb0 [ 66.055878][ C0] do_syscall_64+0xca/0x5f0 [ 66.055879][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.055880][ C0] [ 66.055881][ C0] other info that might help us debug this: [ 66.055882][ C0] [ 66.055883][ C0] Chain exists of: [ 66.055884][ C0] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 66.055890][ C0] [ 66.055891][ C0] Possible unsafe locking scenario: [ 66.055892][ C0] [ 66.055893][ C0] CPU0 CPU1 [ 66.055894][ C0] ---- ---- [ 66.055895][ C0] lock(&(&port->lock)->rlock); [ 66.055898][ C0] lock(&port_lock_key); [ 66.055900][ C0] lock(&(&port->lock)->rlock); [ 66.055903][ C0] lock(console_owner); [ 66.055905][ C0] [ 66.055906][ C0] *** DEADLOCK *** [ 66.055907][ C0] [ 66.055908][ C0] 5 locks held by syz-executor.1/7821: [ 66.055909][ C0] #0: ffff88808e764090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 66.055914][ C0] #1: ffff88808e764118 (&tty->atomic_write_lock){+.+.}, at: tty_write_lock+0x19/0x50 [ 66.055919][ C0] #2: ffff88808e7642a0 (&o_tty->termios_rwsem/1){++++}, at: n_tty_write+0x17e/0xfa0 [ 66.055925][ C0] #3: ffffc900060cf360 (&ldata->output_lock){+.+.}, at: n_tty_write+0x30d/0xfa0 [ 66.055929][ C0] #4: ffff8880959c2140 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xbf/0x200 [ 66.055934][ C0] [ 66.055935][ C0] stack backtrace: [ 66.055937][ C0] CPU: 0 PID: 7821 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 66.055939][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.055940][ C0] Call Trace: [ 66.055941][ C0] dump_stack+0x12d/0x187 [ 66.055942][ C0] print_circular_bug.isra.39.cold.58+0x15a/0x169 [ 66.055943][ C0] check_noncircular+0x349/0x400 [ 66.055945][ C0] ? print_circular_bug.isra.39+0x260/0x260 [ 66.055946][ C0] ? __kasan_check_write+0x14/0x20 [ 66.055947][ C0] __lock_acquire+0x2899/0x4ef0 [ 66.055948][ C0] ? mark_held_locks+0x130/0x130 [ 66.055949][ C0] ? lock_downgrade+0x900/0x900 [ 66.055950][ C0] ? __kasan_check_write+0x14/0x20 [ 66.055952][ C0] ? do_raw_spin_lock+0x132/0x2e0 [ 66.055953][ C0] lock_acquire+0x194/0x410 [ 66.055954][ C0] ? vprintk_emit+0x2c7/0x560 [ 66.055955][ C0] vprintk_emit+0x2fa/0x560 [ 66.055956][ C0] ? vprintk_emit+0x2c7/0x560 [ 66.055957][ C0] vprintk_default+0x1a/0x20 [ 66.055958][ C0] vprintk_func+0x49/0x12c [ 66.055959][ C0] printk+0x9a/0xc0 [ 66.055961][ C0] ? kmsg_dump_rewind_nolock+0xdf/0xdf [ 66.055962][ C0] should_fail+0x551/0x68a [ 66.055963][ C0] ? __kasan_check_read+0x11/0x20 [ 66.055964][ C0] ? fault_create_debugfs_attr+0x150/0x150 [ 66.055966][ C0] ? __kasan_check_read+0x11/0x20 [ 66.055967][ C0] ? __lock_acquire+0x100f/0x4ef0 [ 66.055968][ C0] __should_failslab+0xba/0xf0 [ 66.055969][ C0] should_failslab+0x9/0x14 [ 66.055970][ C0] __kmalloc+0x70/0x790 [ 66.055971][ C0] ? __tty_buffer_request_room+0x1b1/0x550 [ 66.055973][ C0] __tty_buffer_request_room+0x1b1/0x550 [ 66.055974][ C0] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 66.055975][ C0] pty_write+0xf3/0x200 [ 66.055976][ C0] n_tty_write+0x494/0xfa0 [ 66.055977][ C0] ? __might_fault+0xf1/0x1b0 [ 66.055978][ C0] ? n_tty_open+0x160/0x160 [ 66.055979][ C0] ? prepare_to_wait_exclusive+0x390/0x390 [ 66.055981][ C0] ? __kasan_check_write+0x14/0x20 [ 66.055982][ C0] tty_write+0x371/0x7d0 [ 66.055983][ C0] ? n_tty_open+0x160/0x160 [ 66.055984][ C0] __vfs_write+0x5e/0x110 [ 66.055985][ C0] vfs_write+0x18a/0x520 [ 66.055986][ C0] ksys_write+0x105/0x220 [ 66.055987][ C0] ? __ia32_sys_read+0xa0/0xa0 [ 66.055989][ C0] ? do_syscall_64+0x21/0x5f0 [ 66.055990][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.055992][ C0] __x64_sys_write+0x6e/0xb0 [ 66.055993][ C0] do_syscall_64+0xca/0x5f0 [ 66.055994][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 66.055995][ C0] RIP: 0033:0x4592c9 [ 66.055998][ C0] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 66.055999][ C0] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 66.056002][ C0] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 66.056003][ C0] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 66.056005][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 66.056006][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 66.056008][ C0] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 66.113509][ T7826] FAULT_INJECTION: forcing a failure. [ 66.113509][ T7826] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 66.115095][ T7817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.950027][ T7817] Call Trace: [ 66.953295][ T7817] dump_stack+0x12d/0x187 [ 66.957594][ T7817] should_fail.cold.4+0x5/0x13 [ 66.962338][ T7817] ? fault_create_debugfs_attr+0x150/0x150 [ 66.968115][ T7817] should_fail_alloc_page+0x50/0x60 [ 66.973292][ T7817] __alloc_pages_nodemask+0x17f/0x890 [ 66.978641][ T7817] ? __alloc_pages_slowpath+0x2570/0x2570 [ 66.984331][ T7817] ? lock_downgrade+0x900/0x900 [ 66.989162][ T7817] ? fault_create_debugfs_attr+0x150/0x150 [ 66.994938][ T7817] cache_grow_begin+0x92/0xc90 [ 66.999691][ T7817] ? __kmalloc+0xc5/0x790 [ 67.004005][ T7817] ? trace_hardirqs_off+0x41/0x1a0 [ 67.009094][ T7817] __kmalloc+0x6ca/0x790 [ 67.013331][ T7817] ? tty_write_lock+0x19/0x50 [ 67.018011][ T7817] ? tty_write+0x592/0x7d0 [ 67.022414][ T7817] tty_write+0x592/0x7d0 [ 67.026643][ T7817] ? ksys_dup3+0x2e0/0x2e0 [ 67.031033][ T7817] ? n_tty_open+0x160/0x160 [ 67.035515][ T7817] __vfs_write+0x5e/0x110 [ 67.039819][ T7817] vfs_write+0x18a/0x520 [ 67.044031][ T7817] ksys_write+0x105/0x220 [ 67.048342][ T7817] ? __ia32_sys_read+0xa0/0xa0 [ 67.053078][ T7817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.058593][ T7817] __x64_sys_write+0x6e/0xb0 [ 67.063157][ T7817] do_syscall_64+0xca/0x5f0 [ 67.067633][ T7817] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.073498][ T7817] RIP: 0033:0x4592c9 [ 67.077372][ T7817] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.097073][ T7817] RSP: 002b:00007f23518bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.105570][ T7817] RAX: ffffffffffffffda RBX: 00007f23518bcc90 RCX: 00000000004592c9 [ 67.113522][ T7817] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 67.121471][ T7817] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 67.129418][ T7817] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23518bd6d4 [ 67.137362][ T7817] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 67.145332][ T7826] CPU: 0 PID: 7826 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 67.148297][ T4048] kobject: 'loop5' (000000005667db03): kobject_uevent_env [ 67.153908][ T7826] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.153911][ T7826] Call Trace: [ 67.153922][ T7826] dump_stack+0x12d/0x187 [ 67.153929][ T7826] should_fail.cold.4+0x5/0x13 [ 67.153937][ T7826] ? fault_create_debugfs_attr+0x150/0x150 [ 67.163729][ T4048] kobject: 'loop5' (000000005667db03): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 67.171065][ T7826] should_fail_alloc_page+0x50/0x60 [ 67.175393][ T4048] kobject: 'loop4' (00000000126717bf): kobject_uevent_env [ 67.178644][ T7826] __alloc_pages_nodemask+0x17f/0x890 [ 67.183406][ T4048] kobject: 'loop4' (00000000126717bf): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 67.189275][ T7826] ? __alloc_pages_slowpath+0x2570/0x2570 [ 67.189282][ T7826] ? lock_downgrade+0x900/0x900 [ 67.189288][ T7826] ? fault_create_debugfs_attr+0x150/0x150 [ 67.189295][ T7826] cache_grow_begin+0x92/0xc90 [ 67.189299][ T7826] ? __kmalloc+0xc5/0x790 [ 67.189305][ T7826] ? trace_hardirqs_off+0x41/0x1a0 [ 67.189309][ T7826] __kmalloc+0x6ca/0x790 [ 67.189315][ T7826] ? tty_write_lock+0x19/0x50 [ 67.189319][ T7826] ? tty_write+0x592/0x7d0 [ 67.189327][ T7826] tty_write+0x592/0x7d0 [ 67.200555][ T4048] kobject: 'loop2' (00000000bcfea22b): kobject_uevent_env [ 67.204644][ T7826] ? ksys_dup3+0x2e0/0x2e0 [ 67.204651][ T7826] ? n_tty_open+0x160/0x160 [ 67.204658][ T7826] __vfs_write+0x5e/0x110 [ 67.204664][ T7826] vfs_write+0x18a/0x520 [ 67.204669][ T7826] ksys_write+0x105/0x220 [ 67.204674][ T7826] ? __ia32_sys_read+0xa0/0xa0 [ 67.204683][ T7826] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.211908][ T4048] kobject: 'loop2' (00000000bcfea22b): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 67.217144][ T7826] __x64_sys_write+0x6e/0xb0 [ 67.217151][ T7826] do_syscall_64+0xca/0x5f0 [ 67.217159][ T7826] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.217163][ T7826] RIP: 0033:0x4592c9 [ 67.217169][ T7826] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.228943][ T4048] kobject: 'loop1' (00000000e0c15aec): kobject_uevent_env [ 67.232999][ T7826] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.238066][ T4048] kobject: 'loop1' (00000000e0c15aec): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 67.243602][ T7826] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 67.243607][ T7826] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 67.280783][ T7833] FAULT_INJECTION: forcing a failure. [ 67.280783][ T7833] name failslab, interval 1, probability 0, space 0, times 0 [ 67.282350][ T7826] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 67.424688][ T7826] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 67.432649][ T7826] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 67.440614][ T7833] CPU: 1 PID: 7833 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 67.449192][ T7833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.459254][ T7833] Call Trace: [ 67.462536][ T7833] dump_stack+0x12d/0x187 [ 67.466858][ T7833] should_fail.cold.4+0x5/0x13 [ 67.466899][ T7828] FAULT_INJECTION: forcing a failure. [ 67.466899][ T7828] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 67.471605][ T7833] ? fault_create_debugfs_attr+0x150/0x150 [ 67.490716][ T7833] ? lock_acquire+0x194/0x410 [ 67.495382][ T7833] ? n_tty_write+0x30d/0xfa0 [ 67.499947][ T7833] __should_failslab+0xba/0xf0 [ 67.504686][ T7833] should_failslab+0x9/0x14 [ 67.509172][ T7833] __kmalloc+0x70/0x790 [ 67.513300][ T7833] ? n_tty_write+0x30d/0xfa0 [ 67.517860][ T7833] ? __tty_buffer_request_room+0x1b1/0x550 [ 67.523649][ T7833] __tty_buffer_request_room+0x1b1/0x550 [ 67.529268][ T7833] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 67.535498][ T7833] pty_write+0xf3/0x200 [ 67.539643][ T7833] n_tty_write+0x494/0xfa0 [ 67.544046][ T7833] ? __might_fault+0xf1/0x1b0 [ 67.548713][ T7833] ? n_tty_open+0x160/0x160 [ 67.553195][ T7833] ? prepare_to_wait_exclusive+0x390/0x390 [ 67.558993][ T7833] ? __kasan_check_write+0x14/0x20 [ 67.564089][ T7833] tty_write+0x371/0x7d0 [ 67.568310][ T7833] ? n_tty_open+0x160/0x160 [ 67.572789][ T7833] __vfs_write+0x5e/0x110 [ 67.577097][ T7833] vfs_write+0x18a/0x520 [ 67.581320][ T7833] ksys_write+0x105/0x220 [ 67.585617][ T7833] ? __ia32_sys_read+0xa0/0xa0 [ 67.590351][ T7833] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.595872][ T7833] __x64_sys_write+0x6e/0xb0 [ 67.600483][ T7833] do_syscall_64+0xca/0x5f0 [ 67.604973][ T7833] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.610852][ T7833] RIP: 0033:0x4592c9 [ 67.614734][ T7833] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.634312][ T7833] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.642867][ T7833] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 67.650811][ T7833] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 67.658756][ T7833] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 67.666709][ T7833] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 67.674666][ T7833] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 67.682642][ T7828] CPU: 0 PID: 7828 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 67.685654][ T4048] kobject: 'loop3' (000000009d253734): kobject_uevent_env [ 67.691216][ T7828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.706274][ T4048] kobject: 'loop3' (000000009d253734): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 67.708349][ T7828] Call Trace: [ 67.708361][ T7828] dump_stack+0x12d/0x187 [ 67.708369][ T7828] should_fail.cold.4+0x5/0x13 [ 67.708377][ T7828] ? fault_create_debugfs_attr+0x150/0x150 [ 67.736737][ T7828] should_fail_alloc_page+0x50/0x60 [ 67.739377][ T4048] kobject: 'loop1' (00000000e0c15aec): kobject_uevent_env [ 67.741928][ T7828] __alloc_pages_nodemask+0x17f/0x890 [ 67.741935][ T7828] ? __alloc_pages_slowpath+0x2570/0x2570 [ 67.741942][ T7828] ? lock_downgrade+0x900/0x900 [ 67.741948][ T7828] ? fault_create_debugfs_attr+0x150/0x150 [ 67.741957][ T7828] cache_grow_begin+0x92/0xc90 [ 67.750813][ T4048] kobject: 'loop1' (00000000e0c15aec): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 67.754544][ T7828] ? __kmalloc+0xc5/0x790 [ 67.754553][ T7828] ? trace_hardirqs_off+0x41/0x1a0 [ 67.754559][ T7828] __kmalloc+0x6ca/0x790 [ 67.754566][ T7828] ? tty_write_lock+0x19/0x50 [ 67.754570][ T7828] ? tty_write+0x592/0x7d0 [ 67.754575][ T7828] tty_write+0x592/0x7d0 [ 67.754582][ T7828] ? ksys_dup3+0x2e0/0x2e0 [ 67.754587][ T7828] ? n_tty_open+0x160/0x160 [ 67.754594][ T7828] __vfs_write+0x5e/0x110 [ 67.754599][ T7828] vfs_write+0x18a/0x520 [ 67.754607][ T7828] ksys_write+0x105/0x220 [ 67.776782][ T7827] FAULT_INJECTION: forcing a failure. [ 67.776782][ T7827] name failslab, interval 1, probability 0, space 0, times 0 [ 67.785808][ T7828] ? __ia32_sys_read+0xa0/0xa0 [ 67.851629][ T7828] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 67.857147][ T7828] __x64_sys_write+0x6e/0xb0 [ 67.861711][ T7828] do_syscall_64+0xca/0x5f0 [ 67.866201][ T7828] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.872072][ T7828] RIP: 0033:0x4592c9 [ 67.875937][ T7828] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.895522][ T7828] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 67.903909][ T7828] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 [ 67.911854][ T7828] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 67.919797][ T7828] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 67.927739][ T7828] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 67.935683][ T7828] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 67.943814][ T7827] CPU: 1 PID: 7827 Comm: syz-executor.2 Not tainted 5.5.0-rc6-syzkaller #0 [ 67.952389][ T7827] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.959262][ T4048] kobject: 'loop0' (000000006232378c): kobject_uevent_env [ 67.962434][ T7827] Call Trace: [ 67.972905][ T7827] dump_stack+0x12d/0x187 [ 67.975551][ T4048] kobject: 'loop0' (000000006232378c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 67.977228][ T7827] should_fail.cold.4+0x5/0x13 [ 67.977235][ T7827] ? fault_create_debugfs_attr+0x150/0x150 [ 67.997906][ T7827] ? lock_acquire+0x194/0x410 [ 68.002574][ T7827] ? n_tty_write+0x30d/0xfa0 [ 68.007282][ T7827] __should_failslab+0xba/0xf0 [ 68.012045][ T7827] should_failslab+0x9/0x14 [ 68.016564][ T7827] __kmalloc+0x70/0x790 [ 68.020691][ T7827] ? n_tty_write+0x30d/0xfa0 [ 68.025267][ T7827] ? __tty_buffer_request_room+0x1b1/0x550 [ 68.031059][ T7827] __tty_buffer_request_room+0x1b1/0x550 [ 68.036683][ T7827] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 68.042892][ T7827] pty_write+0xf3/0x200 [ 68.047021][ T7827] n_tty_write+0x494/0xfa0 [ 68.051407][ T7827] ? __might_fault+0xf1/0x1b0 [ 68.056060][ T7827] ? n_tty_open+0x160/0x160 [ 68.060620][ T7827] ? prepare_to_wait_exclusive+0x390/0x390 [ 68.066455][ T7827] ? __kasan_check_write+0x14/0x20 [ 68.071533][ T7827] tty_write+0x371/0x7d0 [ 68.075744][ T7827] ? n_tty_open+0x160/0x160 [ 68.080229][ T7827] __vfs_write+0x5e/0x110 [ 68.084547][ T7827] vfs_write+0x18a/0x520 [ 68.088783][ T7827] ksys_write+0x105/0x220 [ 68.093143][ T7827] ? __ia32_sys_read+0xa0/0xa0 [ 68.097883][ T7827] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.103402][ T7827] __x64_sys_write+0x6e/0xb0 [ 68.107970][ T7827] do_syscall_64+0xca/0x5f0 [ 68.112478][ T7827] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.118397][ T7827] RIP: 0033:0x4592c9 [ 68.122282][ T7827] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.141858][ T7827] RSP: 002b:00007f3107f7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.150239][ T7827] RAX: ffffffffffffffda RBX: 00007f3107f7cc90 RCX: 00000000004592c9 [ 68.158194][ T7827] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 68.166147][ T7827] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 68.174118][ T7827] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3107f7d6d4 [ 68.182062][ T7827] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 68.196299][ T4048] kobject: 'loop5' (000000005667db03): kobject_uevent_env [ 68.208599][ T7841] FAULT_INJECTION: forcing a failure. [ 68.208599][ T7841] name failslab, interval 1, probability 0, space 0, times 0 [ 68.221232][ T7841] CPU: 1 PID: 7841 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 68.222652][ T7844] FAULT_INJECTION: forcing a failure. [ 68.222652][ T7844] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.229797][ T7841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.252995][ T7841] Call Trace: [ 68.256263][ T7841] dump_stack+0x12d/0x187 [ 68.260566][ T7841] should_fail.cold.4+0x5/0x13 [ 68.265299][ T7841] ? fault_create_debugfs_attr+0x150/0x150 [ 68.271072][ T7841] ? lock_acquire+0x194/0x410 [ 68.275722][ T7841] ? n_tty_write+0x30d/0xfa0 [ 68.280285][ T7841] __should_failslab+0xba/0xf0 [ 68.285017][ T7841] should_failslab+0x9/0x14 [ 68.289514][ T7841] __kmalloc+0x70/0x790 [ 68.293646][ T7841] ? n_tty_write+0x30d/0xfa0 [ 68.298207][ T7841] ? __tty_buffer_request_room+0x1b1/0x550 [ 68.303981][ T7841] __tty_buffer_request_room+0x1b1/0x550 [ 68.309584][ T7841] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 68.315807][ T7841] pty_write+0xf3/0x200 [ 68.320051][ T7841] n_tty_write+0x494/0xfa0 [ 68.324457][ T7841] ? __might_fault+0xf1/0x1b0 [ 68.329124][ T7841] ? n_tty_open+0x160/0x160 [ 68.333601][ T7841] ? prepare_to_wait_exclusive+0x390/0x390 [ 68.339386][ T7841] ? __kasan_check_write+0x14/0x20 [ 68.344471][ T7841] tty_write+0x371/0x7d0 [ 68.348687][ T7841] ? n_tty_open+0x160/0x160 [ 68.353162][ T7841] __vfs_write+0x5e/0x110 [ 68.357465][ T7841] vfs_write+0x18a/0x520 [ 68.361677][ T7841] ksys_write+0x105/0x220 [ 68.365974][ T7841] ? __ia32_sys_read+0xa0/0xa0 [ 68.370796][ T7841] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.376312][ T7841] __x64_sys_write+0x6e/0xb0 [ 68.380880][ T7841] do_syscall_64+0xca/0x5f0 [ 68.385354][ T7841] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.391224][ T7841] RIP: 0033:0x4592c9 [ 68.395092][ T7841] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.414686][ T7841] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.423065][ T7841] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 [ 68.431006][ T7841] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 68.438955][ T7841] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 68.446896][ T7841] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 68.454846][ T7841] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 68.462799][ T7844] CPU: 0 PID: 7844 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 68.470081][ T7850] FAULT_INJECTION: forcing a failure. [ 68.470081][ T7850] name failslab, interval 1, probability 0, space 0, times 0 [ 68.471375][ T7844] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.494076][ T7844] Call Trace: [ 68.497354][ T7844] dump_stack+0x12d/0x187 [ 68.501682][ T7844] should_fail.cold.4+0x5/0x13 [ 68.506422][ T7844] ? fault_create_debugfs_attr+0x150/0x150 [ 68.512204][ T7844] should_fail_alloc_page+0x50/0x60 [ 68.517378][ T7844] __alloc_pages_nodemask+0x17f/0x890 [ 68.522722][ T7844] ? __alloc_pages_slowpath+0x2570/0x2570 [ 68.528427][ T7844] ? lock_downgrade+0x900/0x900 [ 68.533256][ T7844] ? fault_create_debugfs_attr+0x150/0x150 [ 68.539043][ T7844] cache_grow_begin+0x92/0xc90 [ 68.543781][ T7844] ? __kmalloc+0xc5/0x790 [ 68.548095][ T7844] ? trace_hardirqs_off+0x41/0x1a0 [ 68.553196][ T7844] __kmalloc+0x6ca/0x790 [ 68.557434][ T7844] ? tty_write_lock+0x19/0x50 [ 68.562083][ T7844] ? tty_write+0x592/0x7d0 [ 68.566471][ T7844] tty_write+0x592/0x7d0 [ 68.570692][ T7844] ? ksys_dup3+0x2e0/0x2e0 [ 68.575091][ T7844] ? n_tty_open+0x160/0x160 [ 68.579571][ T7844] __vfs_write+0x5e/0x110 [ 68.583883][ T7844] vfs_write+0x18a/0x520 [ 68.588095][ T7844] ksys_write+0x105/0x220 [ 68.592406][ T7844] ? __ia32_sys_read+0xa0/0xa0 [ 68.597156][ T7844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.602679][ T7844] __x64_sys_write+0x6e/0xb0 [ 68.607238][ T7844] do_syscall_64+0xca/0x5f0 [ 68.611847][ T7844] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.617720][ T7844] RIP: 0033:0x4592c9 [ 68.621588][ T7844] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.641256][ T7844] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.649644][ T7844] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 68.657589][ T7844] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 68.665530][ T7844] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 68.673484][ T7844] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 68.681435][ T7844] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 68.689390][ T7850] CPU: 1 PID: 7850 Comm: syz-executor.2 Not tainted 5.5.0-rc6-syzkaller #0 [ 68.696682][ T7846] FAULT_INJECTION: forcing a failure. [ 68.696682][ T7846] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.697964][ T7850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.721174][ T7850] Call Trace: [ 68.724447][ T7850] dump_stack+0x12d/0x187 [ 68.728747][ T7850] should_fail.cold.4+0x5/0x13 [ 68.733605][ T7850] ? fault_create_debugfs_attr+0x150/0x150 [ 68.739393][ T7850] ? lock_acquire+0x194/0x410 [ 68.744068][ T7850] ? n_tty_write+0x30d/0xfa0 [ 68.748654][ T7850] __should_failslab+0xba/0xf0 [ 68.753394][ T7850] should_failslab+0x9/0x14 [ 68.757871][ T7850] __kmalloc+0x70/0x790 [ 68.762003][ T7850] ? n_tty_write+0x30d/0xfa0 [ 68.766578][ T7850] ? __tty_buffer_request_room+0x1b1/0x550 [ 68.772356][ T7850] __tty_buffer_request_room+0x1b1/0x550 [ 68.777960][ T7850] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 68.784171][ T7850] pty_write+0xf3/0x200 [ 68.788298][ T7850] n_tty_write+0x494/0xfa0 [ 68.792687][ T7850] ? __might_fault+0xf1/0x1b0 [ 68.797337][ T7850] ? n_tty_open+0x160/0x160 [ 68.801820][ T7850] ? prepare_to_wait_exclusive+0x390/0x390 [ 68.807596][ T7850] ? __kasan_check_write+0x14/0x20 [ 68.812688][ T7850] tty_write+0x371/0x7d0 [ 68.816910][ T7850] ? n_tty_open+0x160/0x160 [ 68.821392][ T7850] __vfs_write+0x5e/0x110 [ 68.825703][ T7850] vfs_write+0x18a/0x520 [ 68.829919][ T7850] ksys_write+0x105/0x220 [ 68.834219][ T7850] ? __ia32_sys_read+0xa0/0xa0 [ 68.838953][ T7850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 68.844475][ T7850] __x64_sys_write+0x6e/0xb0 [ 68.849033][ T7850] do_syscall_64+0xca/0x5f0 [ 68.853514][ T7850] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.859378][ T7850] RIP: 0033:0x4592c9 [ 68.863253][ T7850] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.882830][ T7850] RSP: 002b:00007f3107f7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 68.891219][ T7850] RAX: ffffffffffffffda RBX: 00007f3107f7cc90 RCX: 00000000004592c9 [ 68.899172][ T7850] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 68.907116][ T7850] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 68.915061][ T7850] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3107f7d6d4 [ 68.923001][ T7850] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 68.930954][ T7846] CPU: 0 PID: 7846 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 68.936654][ T7848] FAULT_INJECTION: forcing a failure. [ 68.936654][ T7848] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 68.939534][ T7846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.962725][ T7846] Call Trace: [ 68.965989][ T7846] dump_stack+0x12d/0x187 [ 68.970290][ T7846] should_fail.cold.4+0x5/0x13 [ 68.975024][ T7846] ? fault_create_debugfs_attr+0x150/0x150 [ 68.980802][ T7846] should_fail_alloc_page+0x50/0x60 [ 68.985968][ T7846] __alloc_pages_nodemask+0x17f/0x890 [ 68.991418][ T7846] ? __alloc_pages_slowpath+0x2570/0x2570 [ 68.997126][ T7846] ? lock_downgrade+0x900/0x900 [ 69.001948][ T7846] ? fault_create_debugfs_attr+0x150/0x150 [ 69.007725][ T7846] cache_grow_begin+0x92/0xc90 [ 69.012456][ T7846] ? __kmalloc+0xc5/0x790 [ 69.016763][ T7846] ? trace_hardirqs_off+0x41/0x1a0 [ 69.021853][ T7846] __kmalloc+0x6ca/0x790 [ 69.026067][ T7846] ? tty_write_lock+0x19/0x50 [ 69.030721][ T7846] ? tty_write+0x592/0x7d0 [ 69.035105][ T7846] tty_write+0x592/0x7d0 [ 69.039329][ T7846] ? ksys_dup3+0x2e0/0x2e0 [ 69.043713][ T7846] ? n_tty_open+0x160/0x160 [ 69.048189][ T7846] __vfs_write+0x5e/0x110 [ 69.052575][ T7846] vfs_write+0x18a/0x520 [ 69.056791][ T7846] ksys_write+0x105/0x220 [ 69.061100][ T7846] ? __ia32_sys_read+0xa0/0xa0 [ 69.065836][ T7846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.071351][ T7846] __x64_sys_write+0x6e/0xb0 [ 69.075918][ T7846] do_syscall_64+0xca/0x5f0 [ 69.080396][ T7846] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.086267][ T7846] RIP: 0033:0x4592c9 [ 69.090137][ T7846] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.109712][ T7846] RSP: 002b:00007f1cf01d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.118100][ T7846] RAX: ffffffffffffffda RBX: 00007f1cf01d0c90 RCX: 00000000004592c9 [ 69.126042][ T7846] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 69.133984][ T7846] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 69.141931][ T7846] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01d16d4 [ 69.149886][ T7846] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 69.157865][ T7848] CPU: 1 PID: 7848 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 69.159716][ T7842] FAULT_INJECTION: forcing a failure. [ 69.159716][ T7842] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 69.166440][ T7848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.189642][ T7848] Call Trace: [ 69.192914][ T7848] dump_stack+0x12d/0x187 [ 69.197228][ T7848] should_fail.cold.4+0x5/0x13 [ 69.201973][ T7848] ? fault_create_debugfs_attr+0x150/0x150 [ 69.207762][ T7848] should_fail_alloc_page+0x50/0x60 [ 69.212934][ T7848] __alloc_pages_nodemask+0x17f/0x890 [ 69.218712][ T7848] ? __alloc_pages_slowpath+0x2570/0x2570 [ 69.224444][ T7848] ? lock_downgrade+0x900/0x900 [ 69.229285][ T7848] ? fault_create_debugfs_attr+0x150/0x150 [ 69.235093][ T7848] cache_grow_begin+0x92/0xc90 [ 69.239841][ T7848] ? __kmalloc+0xc5/0x790 [ 69.244151][ T7848] ? trace_hardirqs_off+0x41/0x1a0 [ 69.249238][ T7848] __kmalloc+0x6ca/0x790 [ 69.253456][ T7848] ? tty_write_lock+0x19/0x50 [ 69.258114][ T7848] ? tty_write+0x592/0x7d0 [ 69.262500][ T7848] tty_write+0x592/0x7d0 [ 69.266745][ T7848] ? ksys_dup3+0x2e0/0x2e0 [ 69.271132][ T7848] ? n_tty_open+0x160/0x160 [ 69.275615][ T7848] __vfs_write+0x5e/0x110 [ 69.279912][ T7848] vfs_write+0x18a/0x520 [ 69.284124][ T7848] ksys_write+0x105/0x220 [ 69.288433][ T7848] ? __ia32_sys_read+0xa0/0xa0 [ 69.293167][ T7848] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.298686][ T7848] __x64_sys_write+0x6e/0xb0 [ 69.303256][ T7848] do_syscall_64+0xca/0x5f0 [ 69.307958][ T7848] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.313834][ T7848] RIP: 0033:0x4592c9 [ 69.317707][ T7848] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.337289][ T7848] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.345675][ T7848] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 69.353628][ T7848] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 69.361582][ T7848] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 69.369743][ T7848] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 69.377692][ T7848] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 69.385658][ T7842] CPU: 0 PID: 7842 Comm: syz-executor.3 Not tainted 5.5.0-rc6-syzkaller #0 [ 69.387748][ T4048] kobject: 'loop5' (000000005667db03): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 69.394261][ T7842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.394264][ T7842] Call Trace: [ 69.394274][ T7842] dump_stack+0x12d/0x187 [ 69.394282][ T7842] should_fail.cold.4+0x5/0x13 [ 69.394287][ T7842] ? fault_create_debugfs_attr+0x150/0x150 [ 69.394296][ T7842] should_fail_alloc_page+0x50/0x60 [ 69.394300][ T7842] __alloc_pages_nodemask+0x17f/0x890 [ 69.394306][ T7842] ? __alloc_pages_slowpath+0x2570/0x2570 [ 69.394312][ T7842] ? lock_downgrade+0x900/0x900 [ 69.394317][ T7842] ? fault_create_debugfs_attr+0x150/0x150 [ 69.394325][ T7842] cache_grow_begin+0x92/0xc90 [ 69.394329][ T7842] ? __kmalloc+0xc5/0x790 [ 69.394334][ T7842] ? trace_hardirqs_off+0x41/0x1a0 [ 69.394340][ T7842] __kmalloc+0x6ca/0x790 [ 69.394351][ T7842] ? tty_write_lock+0x19/0x50 [ 69.394356][ T7842] ? tty_write+0x592/0x7d0 [ 69.394362][ T7842] tty_write+0x592/0x7d0 [ 69.394369][ T7842] ? ksys_dup3+0x2e0/0x2e0 [ 69.394374][ T7842] ? n_tty_open+0x160/0x160 [ 69.394382][ T7842] __vfs_write+0x5e/0x110 [ 69.394387][ T7842] vfs_write+0x18a/0x520 [ 69.394394][ T7842] ksys_write+0x105/0x220 [ 69.405466][ T4048] kobject: 'loop4' (00000000126717bf): kobject_uevent_env [ 69.414576][ T7842] ? __ia32_sys_read+0xa0/0xa0 [ 69.414585][ T7842] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.414591][ T7842] __x64_sys_write+0x6e/0xb0 [ 69.414595][ T7842] do_syscall_64+0xca/0x5f0 [ 69.414605][ T7842] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.417933][ T4048] kobject: 'loop4' (00000000126717bf): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 69.422176][ T7842] RIP: 0033:0x4592c9 [ 69.422182][ T7842] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.422184][ T7842] RSP: 002b:00007f23518bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.422189][ T7842] RAX: ffffffffffffffda RBX: 00007f23518bcc90 RCX: 00000000004592c9 [ 69.422191][ T7842] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 69.422195][ T7842] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 69.427901][ T4048] kobject: 'loop2' (00000000bcfea22b): kobject_uevent_env [ 69.432711][ T7842] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23518bd6d4 [ 69.432713][ T7842] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 69.481272][ T7855] FAULT_INJECTION: forcing a failure. [ 69.481272][ T7855] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 69.484622][ T4048] kobject: 'loop2' (00000000bcfea22b): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.487985][ T7855] CPU: 0 PID: 7855 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 69.496177][ T4048] kobject: 'loop3' (000000009d253734): kobject_uevent_env [ 69.496589][ T7855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.501083][ T4048] kobject: 'loop3' (000000009d253734): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 69.505365][ T7855] Call Trace: [ 69.505375][ T7855] dump_stack+0x12d/0x187 [ 69.505383][ T7855] should_fail.cold.4+0x5/0x13 [ 69.505388][ T7855] ? fault_create_debugfs_attr+0x150/0x150 [ 69.505397][ T7855] should_fail_alloc_page+0x50/0x60 [ 69.505403][ T7855] __alloc_pages_nodemask+0x17f/0x890 [ 69.516923][ T4048] kobject: 'loop0' (000000006232378c): kobject_uevent_env [ 69.521007][ T7855] ? __alloc_pages_slowpath+0x2570/0x2570 [ 69.525856][ T4048] kobject: 'loop0' (000000006232378c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.531267][ T7855] ? lock_downgrade+0x900/0x900 [ 69.550296][ T4048] kobject: 'loop1' (00000000e0c15aec): kobject_uevent_env [ 69.556417][ T7855] ? fault_create_debugfs_attr+0x150/0x150 [ 69.556427][ T7855] cache_grow_begin+0x92/0xc90 [ 69.556432][ T7855] ? __kmalloc+0xc5/0x790 [ 69.556438][ T7855] ? trace_hardirqs_off+0x41/0x1a0 [ 69.556442][ T7855] __kmalloc+0x6ca/0x790 [ 69.556448][ T7855] ? tty_write_lock+0x19/0x50 [ 69.556452][ T7855] ? tty_write+0x592/0x7d0 [ 69.556460][ T7855] tty_write+0x592/0x7d0 [ 69.561511][ T4048] kobject: 'loop1' (00000000e0c15aec): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.579987][ T7855] ? ksys_dup3+0x2e0/0x2e0 [ 69.579995][ T7855] ? n_tty_open+0x160/0x160 [ 69.580002][ T7855] __vfs_write+0x5e/0x110 [ 69.580008][ T7855] vfs_write+0x18a/0x520 [ 69.580013][ T7855] ksys_write+0x105/0x220 [ 69.580019][ T7855] ? __ia32_sys_read+0xa0/0xa0 [ 69.580026][ T7855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 69.580032][ T7855] __x64_sys_write+0x6e/0xb0 [ 69.580036][ T7855] do_syscall_64+0xca/0x5f0 [ 69.580048][ T7855] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.628880][ T7863] FAULT_INJECTION: forcing a failure. [ 69.628880][ T7863] name failslab, interval 1, probability 0, space 0, times 0 [ 69.635538][ T7855] RIP: 0033:0x4592c9 [ 69.868811][ T7855] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.888389][ T7855] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 69.896767][ T7855] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 [ 69.904709][ T7855] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 69.912654][ T7855] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 69.920598][ T7855] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 69.928540][ T7855] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 69.945620][ T7863] CPU: 1 PID: 7863 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 69.954194][ T7863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.957916][ T7868] FAULT_INJECTION: forcing a failure. [ 69.957916][ T7868] name failslab, interval 1, probability 0, space 0, times 0 [ 69.964236][ T7863] Call Trace: [ 69.980062][ T7863] dump_stack+0x12d/0x187 [ 69.984364][ T7863] should_fail.cold.4+0x5/0x13 [ 69.989099][ T7863] ? fault_create_debugfs_attr+0x150/0x150 [ 69.994886][ T7863] ? lock_acquire+0x194/0x410 [ 69.999531][ T7863] ? n_tty_write+0x30d/0xfa0 [ 70.004096][ T7863] __should_failslab+0xba/0xf0 [ 70.008832][ T7863] should_failslab+0x9/0x14 [ 70.013335][ T7863] __kmalloc+0x70/0x790 [ 70.017469][ T7863] ? n_tty_write+0x30d/0xfa0 [ 70.022030][ T7863] ? __tty_buffer_request_room+0x1b1/0x550 [ 70.027806][ T7863] __tty_buffer_request_room+0x1b1/0x550 [ 70.033438][ T7863] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 70.040260][ T7863] pty_write+0xf3/0x200 [ 70.044385][ T7863] n_tty_write+0x494/0xfa0 [ 70.048769][ T7863] ? __might_fault+0xf1/0x1b0 [ 70.053416][ T7863] ? n_tty_open+0x160/0x160 [ 70.057888][ T7863] ? prepare_to_wait_exclusive+0x390/0x390 [ 70.063664][ T7863] ? __kasan_check_write+0x14/0x20 [ 70.068744][ T7863] tty_write+0x371/0x7d0 [ 70.072976][ T7863] ? n_tty_open+0x160/0x160 [ 70.077449][ T7863] __vfs_write+0x5e/0x110 [ 70.081749][ T7863] vfs_write+0x18a/0x520 [ 70.085972][ T7863] ksys_write+0x105/0x220 [ 70.090269][ T7863] ? __ia32_sys_read+0xa0/0xa0 [ 70.095003][ T7863] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.100520][ T7863] __x64_sys_write+0x6e/0xb0 [ 70.105078][ T7863] do_syscall_64+0xca/0x5f0 [ 70.109552][ T7863] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.115423][ T7863] RIP: 0033:0x4592c9 [ 70.119290][ T7863] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.138874][ T7863] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.147254][ T7863] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 70.155205][ T7863] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 70.163157][ T7863] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 70.171109][ T7863] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 70.179052][ T7863] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 70.187012][ T7868] CPU: 0 PID: 7868 Comm: syz-executor.2 Not tainted 5.5.0-rc6-syzkaller #0 [ 70.195300][ T4048] kobject: 'loop2' (00000000bcfea22b): kobject_uevent_env [ 70.195602][ T7868] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.202710][ T4048] kobject: 'loop2' (00000000bcfea22b): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.212727][ T7868] Call Trace: [ 70.212740][ T7868] dump_stack+0x12d/0x187 [ 70.212748][ T7868] should_fail.cold.4+0x5/0x13 [ 70.212752][ T7868] ? fault_create_debugfs_attr+0x150/0x150 [ 70.212757][ T7868] ? lock_acquire+0x194/0x410 [ 70.212763][ T7868] ? n_tty_write+0x30d/0xfa0 [ 70.212774][ T7868] __should_failslab+0xba/0xf0 [ 70.224107][ T7858] FAULT_INJECTION: forcing a failure. [ 70.224107][ T7858] name failslab, interval 1, probability 0, space 0, times 0 [ 70.226197][ T7868] should_failslab+0x9/0x14 [ 70.271945][ T7868] __kmalloc+0x70/0x790 [ 70.276086][ T7868] ? n_tty_write+0x30d/0xfa0 [ 70.280654][ T7868] ? __tty_buffer_request_room+0x1b1/0x550 [ 70.286432][ T7868] __tty_buffer_request_room+0x1b1/0x550 [ 70.292045][ T7868] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 70.298275][ T7868] pty_write+0xf3/0x200 [ 70.302419][ T7868] n_tty_write+0x494/0xfa0 [ 70.306810][ T7868] ? __might_fault+0xf1/0x1b0 [ 70.311467][ T7868] ? n_tty_open+0x160/0x160 [ 70.315951][ T7868] ? prepare_to_wait_exclusive+0x390/0x390 [ 70.321733][ T7868] ? __kasan_check_write+0x14/0x20 [ 70.326818][ T7868] tty_write+0x371/0x7d0 [ 70.331034][ T7868] ? n_tty_open+0x160/0x160 [ 70.335530][ T7868] __vfs_write+0x5e/0x110 [ 70.339832][ T7868] vfs_write+0x18a/0x520 [ 70.344051][ T7868] ksys_write+0x105/0x220 [ 70.348350][ T7868] ? __ia32_sys_read+0xa0/0xa0 [ 70.353088][ T7868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.358603][ T7868] __x64_sys_write+0x6e/0xb0 [ 70.363178][ T7868] do_syscall_64+0xca/0x5f0 [ 70.367671][ T7868] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.373550][ T7868] RIP: 0033:0x4592c9 [ 70.377440][ T7868] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.397204][ T7868] RSP: 002b:00007f3107f7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.405593][ T7868] RAX: ffffffffffffffda RBX: 00007f3107f7cc90 RCX: 00000000004592c9 [ 70.413536][ T7868] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 70.421489][ T7868] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 70.429444][ T7868] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3107f7d6d4 [ 70.437488][ T7868] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 70.445447][ T7858] CPU: 1 PID: 7858 Comm: syz-executor.3 Not tainted 5.5.0-rc6-syzkaller #0 [ 70.454024][ T7858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.457455][ T7871] FAULT_INJECTION: forcing a failure. [ 70.457455][ T7871] name failslab, interval 1, probability 0, space 0, times 0 [ 70.464086][ T7858] Call Trace: [ 70.479934][ T7858] dump_stack+0x12d/0x187 [ 70.484236][ T7858] should_fail.cold.4+0x5/0x13 [ 70.488971][ T7858] ? fault_create_debugfs_attr+0x150/0x150 [ 70.494836][ T7858] ? lock_acquire+0x194/0x410 [ 70.499485][ T7858] ? n_tty_write+0x30d/0xfa0 [ 70.504055][ T7858] __should_failslab+0xba/0xf0 [ 70.508790][ T7858] should_failslab+0x9/0x14 [ 70.513265][ T7858] __kmalloc+0x70/0x790 [ 70.517390][ T7858] ? n_tty_write+0x30d/0xfa0 [ 70.521951][ T7858] ? __tty_buffer_request_room+0x1b1/0x550 [ 70.527724][ T7858] __tty_buffer_request_room+0x1b1/0x550 [ 70.533327][ T7858] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 70.539655][ T7858] pty_write+0xf3/0x200 [ 70.543803][ T7858] n_tty_write+0x494/0xfa0 [ 70.548188][ T7858] ? __might_fault+0xf1/0x1b0 [ 70.552839][ T7858] ? n_tty_open+0x160/0x160 [ 70.557313][ T7858] ? prepare_to_wait_exclusive+0x390/0x390 [ 70.563099][ T7858] ? __kasan_check_write+0x14/0x20 [ 70.568180][ T7858] tty_write+0x371/0x7d0 [ 70.572400][ T7858] ? n_tty_open+0x160/0x160 [ 70.576875][ T7858] __vfs_write+0x5e/0x110 [ 70.581176][ T7858] vfs_write+0x18a/0x520 [ 70.585398][ T7858] ksys_write+0x105/0x220 [ 70.589706][ T7858] ? __ia32_sys_read+0xa0/0xa0 [ 70.594448][ T7858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.599965][ T7858] __x64_sys_write+0x6e/0xb0 [ 70.604524][ T7858] do_syscall_64+0xca/0x5f0 [ 70.608998][ T7858] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.614859][ T7858] RIP: 0033:0x4592c9 [ 70.618871][ T7858] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.638464][ T7858] RSP: 002b:00007f23518bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.646849][ T7858] RAX: ffffffffffffffda RBX: 00007f23518bcc90 RCX: 00000000004592c9 [ 70.654806][ T7858] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 70.662751][ T7858] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 70.670700][ T7858] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23518bd6d4 [ 70.678778][ T7858] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 70.686747][ T7871] CPU: 0 PID: 7871 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 70.692271][ T4048] kobject: 'loop5' (000000005667db03): kobject_uevent_env [ 70.695319][ T7871] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.695322][ T7871] Call Trace: [ 70.695332][ T7871] dump_stack+0x12d/0x187 [ 70.695340][ T7871] should_fail.cold.4+0x5/0x13 [ 70.695345][ T7871] ? fault_create_debugfs_attr+0x150/0x150 [ 70.695349][ T7871] ? lock_acquire+0x194/0x410 [ 70.695355][ T7871] ? n_tty_write+0x30d/0xfa0 [ 70.695362][ T7871] __should_failslab+0xba/0xf0 [ 70.695368][ T7871] should_failslab+0x9/0x14 [ 70.695374][ T7871] __kmalloc+0x70/0x790 [ 70.695378][ T7871] ? n_tty_write+0x30d/0xfa0 [ 70.695383][ T7871] ? __tty_buffer_request_room+0x1b1/0x550 [ 70.695388][ T7871] __tty_buffer_request_room+0x1b1/0x550 [ 70.695395][ T7871] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 70.695404][ T7871] pty_write+0xf3/0x200 [ 70.695409][ T7871] n_tty_write+0x494/0xfa0 [ 70.695414][ T7871] ? __might_fault+0xf1/0x1b0 [ 70.695422][ T7871] ? n_tty_open+0x160/0x160 [ 70.695428][ T7871] ? prepare_to_wait_exclusive+0x390/0x390 [ 70.695434][ T7871] ? __kasan_check_write+0x14/0x20 [ 70.695442][ T7871] tty_write+0x371/0x7d0 [ 70.708822][ T4048] kobject: 'loop5' (000000005667db03): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.712577][ T7871] ? n_tty_open+0x160/0x160 [ 70.823266][ T7871] __vfs_write+0x5e/0x110 [ 70.827574][ T7871] vfs_write+0x18a/0x520 [ 70.831807][ T7871] ksys_write+0x105/0x220 [ 70.836147][ T7871] ? __ia32_sys_read+0xa0/0xa0 [ 70.840892][ T7871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 70.846406][ T7871] __x64_sys_write+0x6e/0xb0 [ 70.850967][ T7871] do_syscall_64+0xca/0x5f0 [ 70.855463][ T7871] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 70.861347][ T7871] RIP: 0033:0x4592c9 [ 70.865224][ T7871] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 70.884926][ T7871] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 70.893311][ T7871] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 70.901261][ T7871] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 70.909215][ T7871] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 70.917687][ T7871] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 70.925633][ T7871] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 70.935512][ T7859] FAULT_INJECTION: forcing a failure. [ 70.935512][ T7859] name failslab, interval 1, probability 0, space 0, times 0 [ 70.940894][ T4048] kobject: 'loop3' (000000009d253734): kobject_uevent_env [ 70.948103][ T7859] CPU: 1 PID: 7859 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 70.948107][ T7859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 70.948109][ T7859] Call Trace: [ 70.948119][ T7859] dump_stack+0x12d/0x187 [ 70.948128][ T7859] should_fail.cold.4+0x5/0x13 [ 70.948134][ T7859] ? fault_create_debugfs_attr+0x150/0x150 [ 70.948138][ T7859] ? lock_acquire+0x194/0x410 [ 70.948144][ T7859] ? n_tty_write+0x30d/0xfa0 [ 70.948151][ T7859] __should_failslab+0xba/0xf0 [ 70.948157][ T7859] should_failslab+0x9/0x14 [ 70.948162][ T7859] __kmalloc+0x70/0x790 [ 70.948169][ T7859] ? n_tty_write+0x30d/0xfa0 [ 70.975257][ T7877] FAULT_INJECTION: forcing a failure. [ 70.975257][ T7877] name failslab, interval 1, probability 0, space 0, times 0 [ 70.977259][ T7859] ? __tty_buffer_request_room+0x1b1/0x550 [ 71.038843][ T7859] __tty_buffer_request_room+0x1b1/0x550 [ 71.044453][ T7859] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 71.050675][ T7859] pty_write+0xf3/0x200 [ 71.054815][ T7859] n_tty_write+0x494/0xfa0 [ 71.059213][ T7859] ? __might_fault+0xf1/0x1b0 [ 71.063867][ T7859] ? n_tty_open+0x160/0x160 [ 71.068605][ T7859] ? prepare_to_wait_exclusive+0x390/0x390 [ 71.074387][ T7859] ? __kasan_check_write+0x14/0x20 [ 71.079470][ T7859] tty_write+0x371/0x7d0 [ 71.083683][ T7859] ? n_tty_open+0x160/0x160 [ 71.088161][ T7859] __vfs_write+0x5e/0x110 [ 71.092460][ T7859] vfs_write+0x18a/0x520 [ 71.096680][ T7859] ksys_write+0x105/0x220 [ 71.100996][ T7859] ? __ia32_sys_read+0xa0/0xa0 [ 71.105729][ T7859] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.111258][ T7859] __x64_sys_write+0x6e/0xb0 [ 71.115821][ T7859] do_syscall_64+0xca/0x5f0 [ 71.120297][ T7859] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.126158][ T7859] RIP: 0033:0x4592c9 [ 71.130037][ T7859] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.149625][ T7859] RSP: 002b:00007f1cf01d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.158018][ T7859] RAX: ffffffffffffffda RBX: 00007f1cf01d0c90 RCX: 00000000004592c9 [ 71.165979][ T7859] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 71.173935][ T7859] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 71.181897][ T7859] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01d16d4 [ 71.189863][ T7859] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 71.197826][ T7877] CPU: 0 PID: 7877 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 71.206676][ T7877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.207542][ T7878] FAULT_INJECTION: forcing a failure. [ 71.207542][ T7878] name failslab, interval 1, probability 0, space 0, times 0 [ 71.216837][ T7877] Call Trace: [ 71.232688][ T7877] dump_stack+0x12d/0x187 [ 71.237000][ T7877] should_fail.cold.4+0x5/0x13 [ 71.241748][ T7877] ? fault_create_debugfs_attr+0x150/0x150 [ 71.247527][ T7877] ? lock_acquire+0x194/0x410 [ 71.252177][ T7877] ? n_tty_write+0x30d/0xfa0 [ 71.256743][ T7877] __should_failslab+0xba/0xf0 [ 71.261500][ T7877] should_failslab+0x9/0x14 [ 71.265996][ T7877] __kmalloc+0x70/0x790 [ 71.270143][ T7877] ? n_tty_write+0x30d/0xfa0 [ 71.274720][ T7877] ? __tty_buffer_request_room+0x1b1/0x550 [ 71.280515][ T7877] __tty_buffer_request_room+0x1b1/0x550 [ 71.286126][ T7877] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 71.292345][ T7877] pty_write+0xf3/0x200 [ 71.296491][ T7877] n_tty_write+0x494/0xfa0 [ 71.300890][ T7877] ? __might_fault+0xf1/0x1b0 [ 71.306677][ T7877] ? n_tty_open+0x160/0x160 [ 71.311157][ T7877] ? prepare_to_wait_exclusive+0x390/0x390 [ 71.316937][ T7877] ? __kasan_check_write+0x14/0x20 [ 71.322033][ T7877] tty_write+0x371/0x7d0 [ 71.326250][ T7877] ? n_tty_open+0x160/0x160 [ 71.330898][ T7877] __vfs_write+0x5e/0x110 [ 71.335224][ T7877] vfs_write+0x18a/0x520 [ 71.339457][ T7877] ksys_write+0x105/0x220 [ 71.343794][ T7877] ? __ia32_sys_read+0xa0/0xa0 [ 71.348545][ T7877] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.354069][ T7877] __x64_sys_write+0x6e/0xb0 [ 71.358657][ T7877] do_syscall_64+0xca/0x5f0 [ 71.363167][ T7877] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.369043][ T7877] RIP: 0033:0x4592c9 [ 71.372914][ T7877] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.392494][ T7877] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.400884][ T7877] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 2020/01/13 20:39:47 executed programs: 28 [ 71.408836][ T7877] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 71.416783][ T7877] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 71.424741][ T7877] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 71.432699][ T7877] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 71.440674][ T7878] CPU: 1 PID: 7878 Comm: syz-executor.3 Not tainted 5.5.0-rc6-syzkaller #0 [ 71.449251][ T7878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.458949][ T7881] FAULT_INJECTION: forcing a failure. [ 71.458949][ T7881] name failslab, interval 1, probability 0, space 0, times 0 [ 71.459298][ T7878] Call Trace: [ 71.475159][ T7878] dump_stack+0x12d/0x187 [ 71.479469][ T7878] should_fail.cold.4+0x5/0x13 [ 71.484218][ T7878] ? fault_create_debugfs_attr+0x150/0x150 [ 71.490700][ T7878] ? lock_acquire+0x194/0x410 [ 71.495355][ T7878] ? n_tty_write+0x30d/0xfa0 [ 71.499918][ T7878] __should_failslab+0xba/0xf0 [ 71.504664][ T7878] should_failslab+0x9/0x14 [ 71.509140][ T7878] __kmalloc+0x70/0x790 [ 71.513266][ T7878] ? n_tty_write+0x30d/0xfa0 [ 71.517828][ T7878] ? __tty_buffer_request_room+0x1b1/0x550 [ 71.523731][ T7878] __tty_buffer_request_room+0x1b1/0x550 [ 71.529366][ T7878] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 71.535598][ T7878] pty_write+0xf3/0x200 [ 71.539736][ T7878] n_tty_write+0x494/0xfa0 [ 71.544124][ T7878] ? __might_fault+0xf1/0x1b0 [ 71.548779][ T7878] ? n_tty_open+0x160/0x160 [ 71.553258][ T7878] ? prepare_to_wait_exclusive+0x390/0x390 [ 71.559041][ T7878] ? __kasan_check_write+0x14/0x20 [ 71.564141][ T7878] tty_write+0x371/0x7d0 [ 71.568360][ T7878] ? n_tty_open+0x160/0x160 [ 71.572837][ T7878] __vfs_write+0x5e/0x110 [ 71.577138][ T7878] vfs_write+0x18a/0x520 [ 71.581351][ T7878] ksys_write+0x105/0x220 [ 71.585663][ T7878] ? __ia32_sys_read+0xa0/0xa0 [ 71.590429][ T7878] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.596064][ T7878] __x64_sys_write+0x6e/0xb0 [ 71.600730][ T7878] do_syscall_64+0xca/0x5f0 [ 71.605222][ T7878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.611147][ T7878] RIP: 0033:0x4592c9 [ 71.615020][ T7878] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.634604][ T7878] RSP: 002b:00007f23518bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.643601][ T7878] RAX: ffffffffffffffda RBX: 00007f23518bcc90 RCX: 00000000004592c9 [ 71.651544][ T7878] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 71.659509][ T7878] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 71.667455][ T7878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23518bd6d4 [ 71.675396][ T7878] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 71.683352][ T7881] CPU: 0 PID: 7881 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 71.692039][ T7881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.697377][ T7883] FAULT_INJECTION: forcing a failure. [ 71.697377][ T7883] name failslab, interval 1, probability 0, space 0, times 0 [ 71.702088][ T7881] Call Trace: [ 71.718087][ T7881] dump_stack+0x12d/0x187 [ 71.722394][ T7881] should_fail.cold.4+0x5/0x13 [ 71.727129][ T7881] ? fault_create_debugfs_attr+0x150/0x150 [ 71.732905][ T7881] ? lock_acquire+0x194/0x410 [ 71.737566][ T7881] ? n_tty_write+0x30d/0xfa0 [ 71.742147][ T7881] __should_failslab+0xba/0xf0 [ 71.746891][ T7881] should_failslab+0x9/0x14 [ 71.751374][ T7881] __kmalloc+0x70/0x790 [ 71.755530][ T7881] ? n_tty_write+0x30d/0xfa0 [ 71.760104][ T7881] ? __tty_buffer_request_room+0x1b1/0x550 [ 71.765885][ T7881] __tty_buffer_request_room+0x1b1/0x550 [ 71.771499][ T7881] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 71.777711][ T7881] pty_write+0xf3/0x200 [ 71.781840][ T7881] n_tty_write+0x494/0xfa0 [ 71.786228][ T7881] ? __might_fault+0xf1/0x1b0 [ 71.790879][ T7881] ? n_tty_open+0x160/0x160 [ 71.795353][ T7881] ? prepare_to_wait_exclusive+0x390/0x390 [ 71.801152][ T7881] ? __kasan_check_write+0x14/0x20 [ 71.806250][ T7881] tty_write+0x371/0x7d0 [ 71.810480][ T7881] ? n_tty_open+0x160/0x160 [ 71.814973][ T7881] __vfs_write+0x5e/0x110 [ 71.819275][ T7881] vfs_write+0x18a/0x520 [ 71.823508][ T7881] ksys_write+0x105/0x220 [ 71.827827][ T7881] ? __ia32_sys_read+0xa0/0xa0 [ 71.832567][ T7881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 71.838085][ T7881] __x64_sys_write+0x6e/0xb0 [ 71.842651][ T7881] do_syscall_64+0xca/0x5f0 [ 71.847127][ T7881] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 71.852990][ T7881] RIP: 0033:0x4592c9 [ 71.856883][ T7881] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 71.876548][ T7881] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 71.884946][ T7881] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 71.892901][ T7881] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 71.900844][ T7881] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 71.908788][ T7881] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 71.916730][ T7881] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 71.924773][ T7883] CPU: 1 PID: 7883 Comm: syz-executor.2 Not tainted 5.5.0-rc6-syzkaller #0 [ 71.926107][ T4048] kobject: 'loop3' (000000009d253734): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.933346][ T7883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 71.933349][ T7883] Call Trace: [ 71.933360][ T7883] dump_stack+0x12d/0x187 [ 71.933369][ T7883] should_fail.cold.4+0x5/0x13 [ 71.933374][ T7883] ? fault_create_debugfs_attr+0x150/0x150 [ 71.933379][ T7883] ? lock_acquire+0x194/0x410 [ 71.933388][ T7883] ? n_tty_write+0x30d/0xfa0 [ 71.945490][ T7882] FAULT_INJECTION: forcing a failure. [ 71.945490][ T7882] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 71.953611][ T7883] __should_failslab+0xba/0xf0 [ 71.998796][ T7883] should_failslab+0x9/0x14 [ 72.003276][ T7883] __kmalloc+0x70/0x790 [ 72.007405][ T7883] ? n_tty_write+0x30d/0xfa0 [ 72.011968][ T7883] ? __tty_buffer_request_room+0x1b1/0x550 [ 72.017759][ T7883] __tty_buffer_request_room+0x1b1/0x550 [ 72.023365][ T7883] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 72.029591][ T7883] pty_write+0xf3/0x200 [ 72.033722][ T7883] n_tty_write+0x494/0xfa0 [ 72.038127][ T7883] ? __might_fault+0xf1/0x1b0 [ 72.042778][ T7883] ? n_tty_open+0x160/0x160 [ 72.047267][ T7883] ? prepare_to_wait_exclusive+0x390/0x390 [ 72.053051][ T7883] ? __kasan_check_write+0x14/0x20 [ 72.058134][ T7883] tty_write+0x371/0x7d0 [ 72.062351][ T7883] ? n_tty_open+0x160/0x160 [ 72.066832][ T7883] __vfs_write+0x5e/0x110 [ 72.071136][ T7883] vfs_write+0x18a/0x520 [ 72.075373][ T7883] ksys_write+0x105/0x220 [ 72.079677][ T7883] ? __ia32_sys_read+0xa0/0xa0 [ 72.084413][ T7883] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.089931][ T7883] __x64_sys_write+0x6e/0xb0 [ 72.094495][ T7883] do_syscall_64+0xca/0x5f0 [ 72.098981][ T7883] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.104846][ T7883] RIP: 0033:0x4592c9 [ 72.108718][ T7883] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.128307][ T7883] RSP: 002b:00007f3107f7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.136690][ T7883] RAX: ffffffffffffffda RBX: 00007f3107f7cc90 RCX: 00000000004592c9 [ 72.144635][ T7883] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 72.153532][ T7883] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 72.161476][ T7883] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3107f7d6d4 [ 72.169431][ T7883] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 72.177387][ T7882] CPU: 0 PID: 7882 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 72.185965][ T7882] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.196007][ T7882] Call Trace: [ 72.199319][ T7882] dump_stack+0x12d/0x187 [ 72.203621][ T7882] should_fail.cold.4+0x5/0x13 [ 72.208362][ T7882] ? fault_create_debugfs_attr+0x150/0x150 [ 72.214142][ T7882] should_fail_alloc_page+0x50/0x60 [ 72.219311][ T7882] __alloc_pages_nodemask+0x17f/0x890 [ 72.224659][ T7882] ? __alloc_pages_slowpath+0x2570/0x2570 [ 72.230394][ T7882] ? lock_downgrade+0x900/0x900 [ 72.235224][ T7882] ? fault_create_debugfs_attr+0x150/0x150 [ 72.241040][ T7882] cache_grow_begin+0x92/0xc90 [ 72.245778][ T7882] ? __kmalloc+0xc5/0x790 [ 72.250076][ T7882] ? trace_hardirqs_off+0x41/0x1a0 [ 72.255159][ T7882] __kmalloc+0x6ca/0x790 [ 72.259376][ T7882] ? tty_write_lock+0x19/0x50 [ 72.264050][ T7882] ? tty_write+0x592/0x7d0 [ 72.268457][ T7882] tty_write+0x592/0x7d0 [ 72.272685][ T7882] ? ksys_dup3+0x2e0/0x2e0 [ 72.277071][ T7882] ? n_tty_open+0x160/0x160 [ 72.281545][ T7882] __vfs_write+0x5e/0x110 [ 72.285869][ T7882] vfs_write+0x18a/0x520 [ 72.290081][ T7882] ksys_write+0x105/0x220 [ 72.294378][ T7882] ? __ia32_sys_read+0xa0/0xa0 [ 72.299111][ T7882] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.304639][ T7882] __x64_sys_write+0x6e/0xb0 [ 72.309204][ T7882] do_syscall_64+0xca/0x5f0 [ 72.313683][ T7882] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.319550][ T7882] RIP: 0033:0x4592c9 [ 72.323418][ T7882] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.343049][ T7882] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.351442][ T7882] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 72.359390][ T7882] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 72.367334][ T7882] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 72.375278][ T7882] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 72.383217][ T7882] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 72.411024][ T4048] kobject: 'loop4' (00000000126717bf): kobject_uevent_env [ 72.416332][ T7889] FAULT_INJECTION: forcing a failure. [ 72.416332][ T7889] name failslab, interval 1, probability 0, space 0, times 0 [ 72.430505][ T7890] FAULT_INJECTION: forcing a failure. [ 72.430505][ T7890] name failslab, interval 1, probability 0, space 0, times 0 [ 72.430788][ T7889] CPU: 0 PID: 7889 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 72.451914][ T7889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.461956][ T7889] Call Trace: [ 72.465224][ T7889] dump_stack+0x12d/0x187 [ 72.469543][ T7889] should_fail.cold.4+0x5/0x13 [ 72.474292][ T7889] ? fault_create_debugfs_attr+0x150/0x150 [ 72.480082][ T7889] ? lock_acquire+0x194/0x410 [ 72.484733][ T7889] ? n_tty_write+0x30d/0xfa0 [ 72.489993][ T7889] __should_failslab+0xba/0xf0 [ 72.494739][ T7889] should_failslab+0x9/0x14 [ 72.499228][ T7889] __kmalloc+0x70/0x790 [ 72.503373][ T7889] ? n_tty_write+0x30d/0xfa0 [ 72.507955][ T7889] ? __tty_buffer_request_room+0x1b1/0x550 [ 72.513767][ T7889] __tty_buffer_request_room+0x1b1/0x550 [ 72.519394][ T7889] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 72.525612][ T7889] pty_write+0xf3/0x200 [ 72.529758][ T7889] n_tty_write+0x494/0xfa0 [ 72.534164][ T7889] ? __might_fault+0xf1/0x1b0 [ 72.538825][ T7889] ? n_tty_open+0x160/0x160 [ 72.543330][ T7889] ? prepare_to_wait_exclusive+0x390/0x390 [ 72.549113][ T7889] ? __kasan_check_write+0x14/0x20 [ 72.554197][ T7889] tty_write+0x371/0x7d0 [ 72.558412][ T7889] ? n_tty_open+0x160/0x160 [ 72.562890][ T7889] __vfs_write+0x5e/0x110 [ 72.567192][ T7889] vfs_write+0x18a/0x520 [ 72.571406][ T7889] ksys_write+0x105/0x220 [ 72.575717][ T7889] ? __ia32_sys_read+0xa0/0xa0 [ 72.580457][ T7889] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.585992][ T7889] __x64_sys_write+0x6e/0xb0 [ 72.590576][ T7889] do_syscall_64+0xca/0x5f0 [ 72.595341][ T7889] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.601212][ T7889] RIP: 0033:0x4592c9 [ 72.605086][ T7889] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.624670][ T7889] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.633065][ T7889] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 [ 72.641011][ T7889] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 72.649832][ T7889] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 72.657776][ T7889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 72.665730][ T7889] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 72.673688][ T7890] CPU: 1 PID: 7890 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 72.682265][ T7890] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.684658][ T7888] FAULT_INJECTION: forcing a failure. [ 72.684658][ T7888] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 72.692322][ T7890] Call Trace: [ 72.708748][ T7890] dump_stack+0x12d/0x187 [ 72.713052][ T7890] should_fail.cold.4+0x5/0x13 [ 72.717788][ T7890] ? fault_create_debugfs_attr+0x150/0x150 [ 72.723566][ T7890] ? lock_acquire+0x194/0x410 [ 72.728241][ T7890] ? n_tty_write+0x30d/0xfa0 [ 72.732803][ T7890] __should_failslab+0xba/0xf0 [ 72.737538][ T7890] should_failslab+0x9/0x14 [ 72.742011][ T7890] __kmalloc+0x70/0x790 [ 72.747091][ T7890] ? n_tty_write+0x30d/0xfa0 [ 72.751756][ T7890] ? __tty_buffer_request_room+0x1b1/0x550 [ 72.757595][ T7890] __tty_buffer_request_room+0x1b1/0x550 [ 72.763222][ T7890] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 72.769456][ T7890] pty_write+0xf3/0x200 [ 72.773599][ T7890] n_tty_write+0x494/0xfa0 [ 72.777997][ T7890] ? __might_fault+0xf1/0x1b0 [ 72.782653][ T7890] ? n_tty_open+0x160/0x160 [ 72.787145][ T7890] ? prepare_to_wait_exclusive+0x390/0x390 [ 72.792941][ T7890] ? __kasan_check_write+0x14/0x20 [ 72.798030][ T7890] tty_write+0x371/0x7d0 [ 72.802274][ T7890] ? n_tty_open+0x160/0x160 [ 72.806781][ T7890] __vfs_write+0x5e/0x110 [ 72.811103][ T7890] vfs_write+0x18a/0x520 [ 72.815322][ T7890] ksys_write+0x105/0x220 [ 72.819632][ T7890] ? __ia32_sys_read+0xa0/0xa0 [ 72.824380][ T7890] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.829920][ T7890] __x64_sys_write+0x6e/0xb0 [ 72.834484][ T7890] do_syscall_64+0xca/0x5f0 [ 72.838974][ T7890] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.844841][ T7890] RIP: 0033:0x4592c9 [ 72.848720][ T7890] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 72.868515][ T7890] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 72.876916][ T7890] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 72.884866][ T7890] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 72.892820][ T7890] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 72.900776][ T7890] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 72.908737][ T7890] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 72.916711][ T7888] CPU: 0 PID: 7888 Comm: syz-executor.2 Not tainted 5.5.0-rc6-syzkaller #0 [ 72.925289][ T7888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.925581][ T4048] kobject: 'loop4' (00000000126717bf): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 72.935336][ T7888] Call Trace: [ 72.935347][ T7888] dump_stack+0x12d/0x187 [ 72.935354][ T7888] should_fail.cold.4+0x5/0x13 [ 72.935360][ T7888] ? fault_create_debugfs_attr+0x150/0x150 [ 72.935369][ T7888] should_fail_alloc_page+0x50/0x60 [ 72.935373][ T7888] __alloc_pages_nodemask+0x17f/0x890 [ 72.935382][ T7888] ? __alloc_pages_slowpath+0x2570/0x2570 [ 72.946759][ T4048] kobject: 'loop2' (00000000bcfea22b): kobject_uevent_env [ 72.948814][ T7888] ? lock_downgrade+0x900/0x900 [ 72.948819][ T7888] ? fault_create_debugfs_attr+0x150/0x150 [ 72.948828][ T7888] cache_grow_begin+0x92/0xc90 [ 72.953168][ T4048] kobject: 'loop2' (00000000bcfea22b): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 72.957877][ T7888] ? __kmalloc+0xc5/0x790 [ 72.957882][ T7888] ? trace_hardirqs_off+0x41/0x1a0 [ 72.957888][ T7888] __kmalloc+0x6ca/0x790 [ 72.957894][ T7888] ? tty_write_lock+0x19/0x50 [ 72.957898][ T7888] ? tty_write+0x592/0x7d0 [ 72.957903][ T7888] tty_write+0x592/0x7d0 [ 72.957910][ T7888] ? ksys_dup3+0x2e0/0x2e0 [ 72.957915][ T7888] ? n_tty_open+0x160/0x160 [ 72.964513][ T4048] kobject: 'loop1' (00000000e0c15aec): kobject_uevent_env [ 72.968871][ T7888] __vfs_write+0x5e/0x110 [ 72.968877][ T7888] vfs_write+0x18a/0x520 [ 72.968885][ T7888] ksys_write+0x105/0x220 [ 72.974457][ T4048] kobject: 'loop1' (00000000e0c15aec): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 72.979927][ T7888] ? __ia32_sys_read+0xa0/0xa0 [ 72.979934][ T7888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.979941][ T7888] __x64_sys_write+0x6e/0xb0 [ 72.987688][ T4048] kobject: 'loop5' (000000005667db03): kobject_uevent_env [ 72.991946][ T7888] do_syscall_64+0xca/0x5f0 [ 72.991955][ T7888] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 72.991961][ T7888] RIP: 0033:0x4592c9 [ 72.997963][ T4048] kobject: 'loop5' (000000005667db03): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 73.002486][ T7888] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.002489][ T7888] RSP: 002b:00007f3107f7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.002494][ T7888] RAX: ffffffffffffffda RBX: 00007f3107f7cc90 RCX: 00000000004592c9 [ 73.002496][ T7888] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 73.002500][ T7888] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 73.013481][ T4048] kobject: 'loop4' (00000000126717bf): kobject_uevent_env [ 73.017078][ T7888] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3107f7d6d4 [ 73.017081][ T7888] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 73.022934][ T7897] FAULT_INJECTION: forcing a failure. [ 73.022934][ T7897] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.031484][ T4048] kobject: 'loop4' (00000000126717bf): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 73.035518][ T7897] CPU: 0 PID: 7897 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 73.035521][ T7897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.035523][ T7897] Call Trace: [ 73.035533][ T7897] dump_stack+0x12d/0x187 [ 73.035541][ T7897] should_fail.cold.4+0x5/0x13 [ 73.035546][ T7897] ? fault_create_debugfs_attr+0x150/0x150 [ 73.035556][ T7897] should_fail_alloc_page+0x50/0x60 [ 73.043486][ T4048] kobject: 'loop2' (00000000bcfea22b): kobject_uevent_env [ 73.044188][ T7897] __alloc_pages_nodemask+0x17f/0x890 [ 73.044195][ T7897] ? __alloc_pages_slowpath+0x2570/0x2570 [ 73.044201][ T7897] ? lock_downgrade+0x900/0x900 [ 73.044206][ T7897] ? fault_create_debugfs_attr+0x150/0x150 [ 73.044216][ T7897] cache_grow_begin+0x92/0xc90 [ 73.049139][ T4048] kobject: 'loop2' (00000000bcfea22b): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 73.055805][ T7897] ? __kmalloc+0xc5/0x790 [ 73.055812][ T7897] ? trace_hardirqs_off+0x41/0x1a0 [ 73.055817][ T7897] __kmalloc+0x6ca/0x790 [ 73.055823][ T7897] ? tty_write_lock+0x19/0x50 [ 73.055828][ T7897] ? tty_write+0x592/0x7d0 [ 73.061106][ T4048] kobject: 'loop1' (00000000e0c15aec): kobject_uevent_env [ 73.064357][ T7897] tty_write+0x592/0x7d0 [ 73.064365][ T7897] ? ksys_dup3+0x2e0/0x2e0 [ 73.064370][ T7897] ? n_tty_open+0x160/0x160 [ 73.064377][ T7897] __vfs_write+0x5e/0x110 [ 73.064384][ T7897] vfs_write+0x18a/0x520 [ 73.069099][ T4048] kobject: 'loop1' (00000000e0c15aec): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 73.078827][ T7897] ksys_write+0x105/0x220 [ 73.078833][ T7897] ? __ia32_sys_read+0xa0/0xa0 [ 73.078840][ T7897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.078846][ T7897] __x64_sys_write+0x6e/0xb0 [ 73.078850][ T7897] do_syscall_64+0xca/0x5f0 [ 73.078858][ T7897] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.078864][ T7897] RIP: 0033:0x4592c9 [ 73.085603][ T7898] FAULT_INJECTION: forcing a failure. [ 73.085603][ T7898] name failslab, interval 1, probability 0, space 0, times 0 [ 73.089148][ T7897] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.436399][ T7897] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.444785][ T7897] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 73.452733][ T7897] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 73.460694][ T7897] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 73.468642][ T7897] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 73.476600][ T7897] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 73.484560][ T7898] CPU: 1 PID: 7898 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 73.486458][ T7896] FAULT_INJECTION: forcing a failure. [ 73.486458][ T7896] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.493258][ T7898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.516486][ T7898] Call Trace: [ 73.519768][ T7898] dump_stack+0x12d/0x187 [ 73.524078][ T7898] should_fail.cold.4+0x5/0x13 [ 73.528821][ T7898] ? fault_create_debugfs_attr+0x150/0x150 [ 73.534604][ T7898] ? lock_acquire+0x194/0x410 [ 73.539260][ T7898] ? n_tty_write+0x30d/0xfa0 [ 73.543823][ T7898] __should_failslab+0xba/0xf0 [ 73.548559][ T7898] should_failslab+0x9/0x14 [ 73.553042][ T7898] __kmalloc+0x70/0x790 [ 73.557342][ T7898] ? n_tty_write+0x30d/0xfa0 [ 73.561902][ T7898] ? __tty_buffer_request_room+0x1b1/0x550 [ 73.567692][ T7898] __tty_buffer_request_room+0x1b1/0x550 [ 73.573326][ T7898] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 73.579579][ T7898] pty_write+0xf3/0x200 [ 73.583729][ T7898] n_tty_write+0x494/0xfa0 [ 73.588120][ T7898] ? __might_fault+0xf1/0x1b0 [ 73.592803][ T7898] ? n_tty_open+0x160/0x160 [ 73.597284][ T7898] ? prepare_to_wait_exclusive+0x390/0x390 [ 73.603066][ T7898] ? __kasan_check_write+0x14/0x20 [ 73.608148][ T7898] tty_write+0x371/0x7d0 [ 73.612363][ T7898] ? n_tty_open+0x160/0x160 [ 73.616857][ T7898] __vfs_write+0x5e/0x110 [ 73.621157][ T7898] vfs_write+0x18a/0x520 [ 73.625371][ T7898] ksys_write+0x105/0x220 [ 73.629688][ T7898] ? __ia32_sys_read+0xa0/0xa0 [ 73.634424][ T7898] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.639941][ T7898] __x64_sys_write+0x6e/0xb0 [ 73.644502][ T7898] do_syscall_64+0xca/0x5f0 [ 73.648988][ T7898] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.654865][ T7898] RIP: 0033:0x4592c9 [ 73.658764][ T7898] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.678353][ T7898] RSP: 002b:00007f1cf01afc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.686744][ T7898] RAX: ffffffffffffffda RBX: 00007f1cf01afc90 RCX: 00000000004592c9 [ 73.694691][ T7898] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000004 [ 73.702648][ T7898] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 73.710595][ T7898] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01b06d4 [ 73.718542][ T7898] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000005 [ 73.727029][ T7896] CPU: 0 PID: 7896 Comm: syz-executor.3 Not tainted 5.5.0-rc6-syzkaller #0 [ 73.735632][ T7896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.744453][ T7901] FAULT_INJECTION: forcing a failure. [ 73.744453][ T7901] name failslab, interval 1, probability 0, space 0, times 0 [ 73.745677][ T7896] Call Trace: [ 73.761501][ T7896] dump_stack+0x12d/0x187 [ 73.765805][ T7896] should_fail.cold.4+0x5/0x13 [ 73.770544][ T7896] ? fault_create_debugfs_attr+0x150/0x150 [ 73.776341][ T7896] should_fail_alloc_page+0x50/0x60 [ 73.781513][ T7896] __alloc_pages_nodemask+0x17f/0x890 [ 73.786873][ T7896] ? __alloc_pages_slowpath+0x2570/0x2570 [ 73.792579][ T7896] ? lock_downgrade+0x900/0x900 [ 73.797402][ T7896] ? fault_create_debugfs_attr+0x150/0x150 [ 73.803194][ T7896] cache_grow_begin+0x92/0xc90 [ 73.807933][ T7896] ? __kmalloc+0xc5/0x790 [ 73.812252][ T7896] ? trace_hardirqs_off+0x41/0x1a0 [ 73.817360][ T7896] __kmalloc+0x6ca/0x790 [ 73.821596][ T7896] ? tty_write_lock+0x19/0x50 [ 73.826250][ T7896] ? tty_write+0x592/0x7d0 [ 73.830654][ T7896] tty_write+0x592/0x7d0 [ 73.834885][ T7896] ? ksys_dup3+0x2e0/0x2e0 [ 73.839287][ T7896] ? n_tty_open+0x160/0x160 [ 73.843768][ T7896] __vfs_write+0x5e/0x110 [ 73.848074][ T7896] vfs_write+0x18a/0x520 [ 73.852290][ T7896] ksys_write+0x105/0x220 [ 73.856605][ T7896] ? __ia32_sys_read+0xa0/0xa0 [ 73.861464][ T7896] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.866995][ T7896] __x64_sys_write+0x6e/0xb0 [ 73.871692][ T7896] do_syscall_64+0xca/0x5f0 [ 73.876187][ T7896] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 73.882072][ T7896] RIP: 0033:0x4592c9 [ 73.885946][ T7896] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 73.905526][ T7896] RSP: 002b:00007f23518bcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 73.913909][ T7896] RAX: ffffffffffffffda RBX: 00007f23518bcc90 RCX: 00000000004592c9 [ 73.921857][ T7896] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 73.929809][ T7896] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 73.937781][ T7896] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23518bd6d4 [ 73.945729][ T7896] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 73.953692][ T7901] CPU: 1 PID: 7901 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 73.957379][ T4048] kobject: 'loop0' (000000006232378c): kobject_uevent_env [ 73.962270][ T7901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.962273][ T7901] Call Trace: [ 73.962284][ T7901] dump_stack+0x12d/0x187 [ 73.962292][ T7901] should_fail.cold.4+0x5/0x13 [ 73.962299][ T7901] ? fault_create_debugfs_attr+0x150/0x150 [ 73.977755][ T7903] FAULT_INJECTION: forcing a failure. [ 73.977755][ T7903] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 73.979448][ T7901] ? lock_acquire+0x194/0x410 [ 74.015362][ T7901] ? n_tty_write+0x30d/0xfa0 [ 74.019932][ T7901] __should_failslab+0xba/0xf0 [ 74.024678][ T7901] should_failslab+0x9/0x14 [ 74.029168][ T7901] __kmalloc+0x70/0x790 [ 74.033301][ T7901] ? n_tty_write+0x30d/0xfa0 [ 74.037865][ T7901] ? __tty_buffer_request_room+0x1b1/0x550 [ 74.043645][ T7901] __tty_buffer_request_room+0x1b1/0x550 [ 74.049252][ T7901] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 74.055470][ T7901] pty_write+0xf3/0x200 [ 74.059599][ T7901] n_tty_write+0x494/0xfa0 [ 74.064001][ T7901] ? __might_fault+0xf1/0x1b0 [ 74.068656][ T7901] ? n_tty_open+0x160/0x160 [ 74.073149][ T7901] ? prepare_to_wait_exclusive+0x390/0x390 [ 74.078950][ T7901] ? __kasan_check_write+0x14/0x20 [ 74.084039][ T7901] tty_write+0x371/0x7d0 [ 74.088257][ T7901] ? n_tty_open+0x160/0x160 [ 74.092737][ T7901] __vfs_write+0x5e/0x110 [ 74.097392][ T7901] vfs_write+0x18a/0x520 [ 74.101612][ T7901] ksys_write+0x105/0x220 [ 74.105914][ T7901] ? __ia32_sys_read+0xa0/0xa0 [ 74.110651][ T7901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.116170][ T7901] __x64_sys_write+0x6e/0xb0 [ 74.120733][ T7901] do_syscall_64+0xca/0x5f0 [ 74.125209][ T7901] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.131073][ T7901] RIP: 0033:0x4592c9 [ 74.134953][ T7901] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.154534][ T7901] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.163872][ T7901] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 [ 74.171903][ T7901] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 74.179853][ T7901] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 74.187796][ T7901] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 74.195743][ T7901] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 74.203712][ T7903] CPU: 0 PID: 7903 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 74.212493][ T7903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.222544][ T7903] Call Trace: [ 74.225829][ T7903] dump_stack+0x12d/0x187 [ 74.230150][ T7903] should_fail.cold.4+0x5/0x13 [ 74.234912][ T7903] ? fault_create_debugfs_attr+0x150/0x150 [ 74.239920][ T4048] kobject: 'loop0' (000000006232378c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 74.240728][ T7903] should_fail_alloc_page+0x50/0x60 [ 74.240736][ T7903] __alloc_pages_nodemask+0x17f/0x890 [ 74.259327][ T4048] kobject: 'loop5' (000000005667db03): kobject_uevent_env [ 74.261434][ T7903] ? __alloc_pages_slowpath+0x2570/0x2570 [ 74.261441][ T7903] ? lock_downgrade+0x900/0x900 [ 74.261447][ T7903] ? fault_create_debugfs_attr+0x150/0x150 [ 74.261456][ T7903] cache_grow_begin+0x92/0xc90 [ 74.261459][ T7903] ? __kmalloc+0xc5/0x790 [ 74.261465][ T7903] ? trace_hardirqs_off+0x41/0x1a0 [ 74.261470][ T7903] __kmalloc+0x6ca/0x790 [ 74.261477][ T7903] ? tty_write_lock+0x19/0x50 [ 74.261481][ T7903] ? tty_write+0x592/0x7d0 [ 74.261487][ T7903] tty_write+0x592/0x7d0 [ 74.261494][ T7903] ? ksys_dup3+0x2e0/0x2e0 [ 74.261502][ T7903] ? n_tty_open+0x160/0x160 [ 74.280653][ T4048] kobject: 'loop5' (000000005667db03): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 74.284936][ T7903] __vfs_write+0x5e/0x110 [ 74.284943][ T7903] vfs_write+0x18a/0x520 [ 74.284950][ T7903] ksys_write+0x105/0x220 [ 74.284956][ T7903] ? __ia32_sys_read+0xa0/0xa0 [ 74.284963][ T7903] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.284969][ T7903] __x64_sys_write+0x6e/0xb0 [ 74.284974][ T7903] do_syscall_64+0xca/0x5f0 [ 74.284982][ T7903] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.284987][ T7903] RIP: 0033:0x4592c9 [ 74.284992][ T7903] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.284994][ T7903] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.285001][ T7903] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 74.293246][ T4048] kobject: 'loop1' (00000000e0c15aec): kobject_uevent_env [ 74.294328][ T7903] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 74.294331][ T7903] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 74.294333][ T7903] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 74.294335][ T7903] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 74.308647][ T7907] FAULT_INJECTION: forcing a failure. [ 74.308647][ T7907] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.325711][ T7908] FAULT_INJECTION: forcing a failure. [ 74.325711][ T7908] name failslab, interval 1, probability 0, space 0, times 0 [ 74.325967][ T7907] CPU: 0 PID: 7907 Comm: syz-executor.1 Not tainted 5.5.0-rc6-syzkaller #0 [ 74.487413][ T7907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.497466][ T7907] Call Trace: [ 74.500743][ T7907] dump_stack+0x12d/0x187 [ 74.505049][ T7907] should_fail.cold.4+0x5/0x13 [ 74.509790][ T7907] ? fault_create_debugfs_attr+0x150/0x150 [ 74.515647][ T7907] should_fail_alloc_page+0x50/0x60 [ 74.520883][ T7907] __alloc_pages_nodemask+0x17f/0x890 [ 74.526253][ T7907] ? __alloc_pages_slowpath+0x2570/0x2570 [ 74.531945][ T7907] ? lock_downgrade+0x900/0x900 [ 74.536794][ T7907] ? fault_create_debugfs_attr+0x150/0x150 [ 74.542592][ T7907] cache_grow_begin+0x92/0xc90 [ 74.547355][ T7907] ? __kmalloc+0xc5/0x790 [ 74.551667][ T7907] ? trace_hardirqs_off+0x41/0x1a0 [ 74.556776][ T7907] __kmalloc+0x6ca/0x790 [ 74.561017][ T7907] ? tty_write_lock+0x19/0x50 [ 74.565683][ T7907] ? tty_write+0x592/0x7d0 [ 74.570079][ T7907] tty_write+0x592/0x7d0 [ 74.574312][ T7907] ? ksys_dup3+0x2e0/0x2e0 [ 74.578707][ T7907] ? n_tty_open+0x160/0x160 [ 74.583184][ T7907] __vfs_write+0x5e/0x110 [ 74.587487][ T7907] vfs_write+0x18a/0x520 [ 74.591697][ T7907] ksys_write+0x105/0x220 [ 74.595995][ T7907] ? __ia32_sys_read+0xa0/0xa0 [ 74.600842][ T7907] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.606379][ T7907] __x64_sys_write+0x6e/0xb0 [ 74.610964][ T7907] do_syscall_64+0xca/0x5f0 [ 74.615443][ T7907] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.621306][ T7907] RIP: 0033:0x4592c9 [ 74.625175][ T7907] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.644890][ T7907] RSP: 002b:00007f724fbf8c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.653298][ T7907] RAX: ffffffffffffffda RBX: 00007f724fbf8c90 RCX: 00000000004592c9 [ 74.661245][ T7907] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 74.669188][ T7907] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 74.677132][ T7907] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f724fbf96d4 [ 74.685074][ T7907] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 74.693029][ T7908] CPU: 1 PID: 7908 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 74.701618][ T7908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.702949][ T7910] FAULT_INJECTION: forcing a failure. [ 74.702949][ T7910] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 74.711679][ T7908] Call Trace: [ 74.728249][ T7908] dump_stack+0x12d/0x187 [ 74.732555][ T7908] should_fail.cold.4+0x5/0x13 [ 74.737304][ T7908] ? fault_create_debugfs_attr+0x150/0x150 [ 74.743084][ T7908] ? lock_acquire+0x194/0x410 [ 74.747736][ T7908] ? n_tty_write+0x30d/0xfa0 [ 74.752306][ T7908] __should_failslab+0xba/0xf0 [ 74.757043][ T7908] should_failslab+0x9/0x14 [ 74.761524][ T7908] __kmalloc+0x70/0x790 [ 74.765658][ T7908] ? n_tty_write+0x30d/0xfa0 [ 74.770225][ T7908] ? __tty_buffer_request_room+0x1b1/0x550 [ 74.776000][ T7908] __tty_buffer_request_room+0x1b1/0x550 [ 74.781602][ T7908] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 74.787811][ T7908] pty_write+0xf3/0x200 [ 74.791936][ T7908] n_tty_write+0x494/0xfa0 [ 74.796320][ T7908] ? __might_fault+0xf1/0x1b0 [ 74.800969][ T7908] ? n_tty_open+0x160/0x160 [ 74.805444][ T7908] ? prepare_to_wait_exclusive+0x390/0x390 [ 74.811218][ T7908] ? __kasan_check_write+0x14/0x20 [ 74.816298][ T7908] tty_write+0x371/0x7d0 [ 74.820514][ T7908] ? n_tty_open+0x160/0x160 [ 74.824997][ T7908] __vfs_write+0x5e/0x110 [ 74.829295][ T7908] vfs_write+0x18a/0x520 [ 74.833515][ T7908] ksys_write+0x105/0x220 [ 74.837822][ T7908] ? __ia32_sys_read+0xa0/0xa0 [ 74.843165][ T7908] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 74.849634][ T7908] __x64_sys_write+0x6e/0xb0 [ 74.854210][ T7908] do_syscall_64+0xca/0x5f0 [ 74.858687][ T7908] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.864548][ T7908] RIP: 0033:0x4592c9 [ 74.868424][ T7908] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 74.888174][ T7908] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 74.896700][ T7908] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 [ 74.904665][ T7908] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 74.912613][ T7908] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 74.920563][ T7908] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 74.928509][ T7908] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 74.936592][ T7910] CPU: 0 PID: 7910 Comm: syz-executor.2 Not tainted 5.5.0-rc6-syzkaller #0 [ 74.945171][ T7910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.951097][ T4048] kobject: 'loop1' (00000000e0c15aec): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 74.955210][ T7910] Call Trace: [ 74.955221][ T7910] dump_stack+0x12d/0x187 [ 74.955229][ T7910] should_fail.cold.4+0x5/0x13 [ 74.955234][ T7910] ? fault_create_debugfs_attr+0x150/0x150 [ 74.955243][ T7910] should_fail_alloc_page+0x50/0x60 [ 74.955247][ T7910] __alloc_pages_nodemask+0x17f/0x890 [ 74.955254][ T7910] ? __alloc_pages_slowpath+0x2570/0x2570 [ 74.969726][ T4048] kobject: 'loop1' (00000000e0c15aec): kobject_uevent_env [ 74.972969][ T7910] ? lock_downgrade+0x900/0x900 [ 74.972976][ T7910] ? fault_create_debugfs_attr+0x150/0x150 [ 74.972985][ T7910] cache_grow_begin+0x92/0xc90 [ 74.985017][ T4048] kobject: 'loop1' (00000000e0c15aec): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 74.988699][ T7910] ? __kmalloc+0xc5/0x790 [ 74.988707][ T7910] ? trace_hardirqs_off+0x41/0x1a0 [ 74.988713][ T7910] __kmalloc+0x6ca/0x790 [ 74.995132][ T4048] kobject: 'loop0' (000000006232378c): kobject_uevent_env [ 74.999791][ T7910] ? tty_write_lock+0x19/0x50 [ 74.999797][ T7910] ? tty_write+0x592/0x7d0 [ 74.999802][ T7910] tty_write+0x592/0x7d0 [ 74.999809][ T7910] ? ksys_dup3+0x2e0/0x2e0 [ 74.999816][ T7910] ? n_tty_open+0x160/0x160 [ 75.007219][ T4048] kobject: 'loop0' (000000006232378c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 75.011756][ T7910] __vfs_write+0x5e/0x110 [ 75.011763][ T7910] vfs_write+0x18a/0x520 [ 75.011769][ T7910] ksys_write+0x105/0x220 [ 75.011777][ T7910] ? __ia32_sys_read+0xa0/0xa0 [ 75.018382][ T4048] kobject: 'loop5' (000000005667db03): kobject_uevent_env [ 75.022304][ T7910] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.022312][ T7910] __x64_sys_write+0x6e/0xb0 [ 75.022319][ T7910] do_syscall_64+0xca/0x5f0 [ 75.032697][ T4048] kobject: 'loop5' (000000005667db03): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 75.036756][ T7910] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.036761][ T7910] RIP: 0033:0x4592c9 [ 75.036767][ T7910] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.036769][ T7910] RSP: 002b:00007f3107f7cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.036774][ T7910] RAX: ffffffffffffffda RBX: 00007f3107f7cc90 RCX: 00000000004592c9 [ 75.036776][ T7910] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 75.036781][ T7910] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 75.166700][ T7925] FAULT_INJECTION: forcing a failure. [ 75.166700][ T7925] name failslab, interval 1, probability 0, space 0, times 0 [ 75.172725][ T7910] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3107f7d6d4 [ 75.217066][ T7910] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 75.225024][ T7925] CPU: 1 PID: 7925 Comm: syz-executor.5 Not tainted 5.5.0-rc6-syzkaller #0 [ 75.233591][ T7925] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.235186][ T7927] FAULT_INJECTION: forcing a failure. [ 75.235186][ T7927] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.243633][ T7925] Call Trace: [ 75.260089][ T7925] dump_stack+0x12d/0x187 [ 75.264394][ T7925] should_fail.cold.4+0x5/0x13 [ 75.269142][ T7925] ? fault_create_debugfs_attr+0x150/0x150 [ 75.274929][ T7925] ? lock_acquire+0x194/0x410 [ 75.279578][ T7925] ? n_tty_write+0x30d/0xfa0 [ 75.284147][ T7925] __should_failslab+0xba/0xf0 [ 75.288883][ T7925] should_failslab+0x9/0x14 [ 75.293356][ T7925] __kmalloc+0x70/0x790 [ 75.297492][ T7925] ? n_tty_write+0x30d/0xfa0 [ 75.302054][ T7925] ? __tty_buffer_request_room+0x1b1/0x550 [ 75.307829][ T7925] __tty_buffer_request_room+0x1b1/0x550 [ 75.313444][ T7925] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 75.319668][ T7925] pty_write+0xf3/0x200 [ 75.323798][ T7925] n_tty_write+0x494/0xfa0 [ 75.328184][ T7925] ? __might_fault+0xf1/0x1b0 [ 75.333096][ T7925] ? n_tty_open+0x160/0x160 [ 75.337570][ T7925] ? prepare_to_wait_exclusive+0x390/0x390 [ 75.343347][ T7925] ? __kasan_check_write+0x14/0x20 [ 75.348431][ T7925] tty_write+0x371/0x7d0 [ 75.352648][ T7925] ? n_tty_open+0x160/0x160 [ 75.357125][ T7925] __vfs_write+0x5e/0x110 [ 75.361426][ T7925] vfs_write+0x18a/0x520 [ 75.365650][ T7925] ksys_write+0x105/0x220 [ 75.369977][ T7925] ? __ia32_sys_read+0xa0/0xa0 [ 75.374728][ T7925] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.380250][ T7925] __x64_sys_write+0x6e/0xb0 [ 75.384819][ T7925] do_syscall_64+0xca/0x5f0 [ 75.389300][ T7925] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.395165][ T7925] RIP: 0033:0x4592c9 [ 75.399045][ T7925] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.419585][ T7925] RSP: 002b:00007f69ffaefc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.427974][ T7925] RAX: ffffffffffffffda RBX: 00007f69ffaefc90 RCX: 00000000004592c9 [ 75.435917][ T7925] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 75.443860][ T7925] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 75.451801][ T7925] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ffaf06d4 [ 75.459761][ T7925] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 75.467729][ T7927] CPU: 0 PID: 7927 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 75.469306][ T4048] kobject: 'loop4' (00000000126717bf): kobject_uevent_env [ 75.476311][ T7927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.476313][ T7927] Call Trace: [ 75.476322][ T7927] dump_stack+0x12d/0x187 [ 75.476330][ T7927] should_fail.cold.4+0x5/0x13 [ 75.476335][ T7927] ? fault_create_debugfs_attr+0x150/0x150 [ 75.476343][ T7927] should_fail_alloc_page+0x50/0x60 [ 75.476350][ T7927] __alloc_pages_nodemask+0x17f/0x890 [ 75.487859][ T4048] kobject: 'loop4' (00000000126717bf): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 75.493913][ T7927] ? __alloc_pages_slowpath+0x2570/0x2570 [ 75.493921][ T7927] ? lock_downgrade+0x900/0x900 [ 75.493927][ T7927] ? fault_create_debugfs_attr+0x150/0x150 [ 75.493935][ T7927] cache_grow_begin+0x92/0xc90 [ 75.493938][ T7927] ? __kmalloc+0xc5/0x790 [ 75.493944][ T7927] ? trace_hardirqs_off+0x41/0x1a0 [ 75.493949][ T7927] __kmalloc+0x6ca/0x790 [ 75.493960][ T7927] ? tty_write_lock+0x19/0x50 [ 75.514580][ T7930] FAULT_INJECTION: forcing a failure. [ 75.514580][ T7930] name failslab, interval 1, probability 0, space 0, times 0 [ 75.517244][ T7927] ? tty_write+0x592/0x7d0 [ 75.588914][ T7927] tty_write+0x592/0x7d0 [ 75.593128][ T7927] ? ksys_dup3+0x2e0/0x2e0 [ 75.597514][ T7927] ? n_tty_open+0x160/0x160 [ 75.601994][ T7927] __vfs_write+0x5e/0x110 [ 75.606303][ T7927] vfs_write+0x18a/0x520 [ 75.610517][ T7927] ksys_write+0x105/0x220 [ 75.614830][ T7927] ? __ia32_sys_read+0xa0/0xa0 [ 75.619588][ T7927] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.625198][ T7927] __x64_sys_write+0x6e/0xb0 [ 75.629766][ T7927] do_syscall_64+0xca/0x5f0 [ 75.634276][ T7927] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.640261][ T7927] RIP: 0033:0x4592c9 [ 75.644134][ T7927] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.663726][ T7927] RSP: 002b:00007f1cf01d0c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.672110][ T7927] RAX: ffffffffffffffda RBX: 00007f1cf01d0c90 RCX: 00000000004592c9 [ 75.680054][ T7927] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 75.687997][ T7927] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 75.695942][ T7927] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1cf01d16d4 [ 75.703885][ T7927] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 75.711863][ T7930] CPU: 1 PID: 7930 Comm: syz-executor.4 Not tainted 5.5.0-rc6-syzkaller #0 [ 75.720439][ T7930] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.730497][ T7930] Call Trace: [ 75.733472][ T7932] FAULT_INJECTION: forcing a failure. [ 75.733472][ T7932] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 75.733786][ T7930] dump_stack+0x12d/0x187 [ 75.751278][ T7930] should_fail.cold.4+0x5/0x13 [ 75.756012][ T7930] ? fault_create_debugfs_attr+0x150/0x150 [ 75.761795][ T7930] ? lock_acquire+0x194/0x410 [ 75.766445][ T7930] ? n_tty_write+0x30d/0xfa0 [ 75.771010][ T7930] __should_failslab+0xba/0xf0 [ 75.775751][ T7930] should_failslab+0x9/0x14 [ 75.780228][ T7930] __kmalloc+0x70/0x790 [ 75.784356][ T7930] ? n_tty_write+0x30d/0xfa0 [ 75.788933][ T7930] ? __tty_buffer_request_room+0x1b1/0x550 [ 75.794756][ T7930] __tty_buffer_request_room+0x1b1/0x550 [ 75.800393][ T7930] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 75.806610][ T7930] pty_write+0xf3/0x200 [ 75.810743][ T7930] n_tty_write+0x494/0xfa0 [ 75.815150][ T7930] ? __might_fault+0xf1/0x1b0 [ 75.819806][ T7930] ? n_tty_open+0x160/0x160 [ 75.824284][ T7930] ? prepare_to_wait_exclusive+0x390/0x390 [ 75.830062][ T7930] ? __kasan_check_write+0x14/0x20 [ 75.835233][ T7930] tty_write+0x371/0x7d0 [ 75.839454][ T7930] ? n_tty_open+0x160/0x160 [ 75.843931][ T7930] __vfs_write+0x5e/0x110 [ 75.848231][ T7930] vfs_write+0x18a/0x520 [ 75.852468][ T7930] ksys_write+0x105/0x220 [ 75.856795][ T7930] ? __ia32_sys_read+0xa0/0xa0 [ 75.861533][ T7930] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 75.867138][ T7930] __x64_sys_write+0x6e/0xb0 [ 75.871699][ T7930] do_syscall_64+0xca/0x5f0 [ 75.876871][ T7930] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.882736][ T7930] RIP: 0033:0x4592c9 [ 75.886604][ T7930] Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.906180][ T7930] RSP: 002b:00007f1dc205bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 75.914561][ T7930] RAX: ffffffffffffffda RBX: 00007f1dc205bc90 RCX: 00000000004592c9 [ 75.922507][ T7930] RDX: 00000000ffffff86 RSI: 0000000020000000 RDI: 0000000000000005 [ 75.930451][ T7930] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 75.938396][ T7930] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1dc205c6d4 [ 75.946345][ T7930] R13: 00000000004c566b R14: 00000000004df350 R15: 0000000000000006 [ 75.954302][ T7932] CPU: 0 PID: 7932 Comm: syz-executor.0 Not tainted 5.5.0-rc6-syzkaller #0 [ 75.955507][ T4048] kobject: 'loop0' (000000006232378c): kobject_uevent_env [ 75.962882][ T7932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.962889][ T7932] Call Trace: [ 75.981539][ T4048] kobject: 'loop0' (000000006232378c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 75.983903][ T7932] dump_stack+0x12d/0x187 [ 75.983912][ T7932] should_fail.cold.4+0x5/0x13 [ 75.983917][ T7932] ? fault_create_debugfs_attr+0x150/0x150 [ 75.983925][ T7932] should_fail_alloc_page+0x50/0x60 [ 75.983932][ T7932] __alloc_pages_nodemask+0x17f/0x890 [ 75.994661][ T4048] kobject: 'loop5' (000000005667db03): kobject_uevent_env