Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 35.516211] audit: type=1400 audit(1603676809.241:8): avc: denied { execmem } for pid=6108 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 35.529547] IPVS: ftp: loaded support on port[0] = 21 [ 35.896073] can: request_module (can-proto-0) failed. [ 36.498818] can: request_module (can-proto-0) failed. [ 36.522718] audit: type=1400 audit(1603676810.241:9): avc: denied { create } for pid=6089 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 [ 36.717455] syz-fuzzer (6106) used greatest stack depth: 23448 bytes left Warning: Permanently added '10.128.15.193' (ECDSA) to the list of known hosts. 2020/10/26 01:46:57 parsed 1 programs 2020/10/26 01:46:58 executed programs: 0 [ 44.650531] audit: type=1400 audit(1603676818.375:10): avc: denied { execmem } for pid=6226 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 44.704899] IPVS: ftp: loaded support on port[0] = 21 [ 44.708696] IPVS: ftp: loaded support on port[0] = 21 [ 44.764359] IPVS: ftp: loaded support on port[0] = 21 [ 44.783669] IPVS: ftp: loaded support on port[0] = 21 [ 44.871926] IPVS: ftp: loaded support on port[0] = 21 [ 44.875568] IPVS: ftp: loaded support on port[0] = 21 [ 44.893032] chnl_net:caif_netlink_parms(): no params data found [ 45.001636] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.008223] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.016118] device bridge_slave_0 entered promiscuous mode [ 45.024901] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.031285] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.038023] device bridge_slave_1 entered promiscuous mode [ 45.054555] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.062280] chnl_net:caif_netlink_parms(): no params data found [ 45.085062] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.198302] chnl_net:caif_netlink_parms(): no params data found [ 45.207804] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.216287] team0: Port device team_slave_0 added [ 45.222456] chnl_net:caif_netlink_parms(): no params data found [ 45.238198] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.245114] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.252398] device bridge_slave_0 entered promiscuous mode [ 45.265605] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.274096] team0: Port device team_slave_1 added [ 45.280415] chnl_net:caif_netlink_parms(): no params data found [ 45.291752] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.298096] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.305225] device bridge_slave_1 entered promiscuous mode [ 45.324463] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.364853] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.374763] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.392493] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.398895] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.405745] device bridge_slave_0 entered promiscuous mode [ 45.414254] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.448568] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.456080] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.467229] device bridge_slave_1 entered promiscuous mode [ 45.489272] device hsr_slave_0 entered promiscuous mode [ 45.494844] device hsr_slave_1 entered promiscuous mode [ 45.507583] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.514394] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.522101] device bridge_slave_0 entered promiscuous mode [ 45.535791] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.544071] team0: Port device team_slave_0 added [ 45.549507] chnl_net:caif_netlink_parms(): no params data found [ 45.557061] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.568833] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.575157] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.582687] device bridge_slave_1 entered promiscuous mode [ 45.589001] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.596070] team0: Port device team_slave_1 added [ 45.603494] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.614063] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.623012] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.629553] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.636268] device bridge_slave_0 entered promiscuous mode [ 45.646402] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.656682] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.673768] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.682984] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.690759] device bridge_slave_1 entered promiscuous mode [ 45.702368] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.711001] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.726458] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.734950] team0: Port device team_slave_0 added [ 45.752531] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.761198] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.779619] device hsr_slave_0 entered promiscuous mode [ 45.785312] device hsr_slave_1 entered promiscuous mode [ 45.791637] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.799907] team0: Port device team_slave_1 added [ 45.805196] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.813571] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.829933] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.841717] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.861318] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.867646] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.876760] device bridge_slave_0 entered promiscuous mode [ 45.883999] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.894308] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.900846] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.907711] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.914099] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.925531] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.933779] team0: Port device team_slave_0 added [ 45.939530] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.946724] team0: Port device team_slave_1 added [ 45.952238] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.960094] team0: Port device team_slave_0 added [ 45.965128] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.971581] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.978311] device bridge_slave_1 entered promiscuous mode [ 45.994149] bridge0: port 1(bridge_slave_0) entered disabled state [ 46.001245] bridge0: port 2(bridge_slave_1) entered disabled state [ 46.017067] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.024655] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.033590] team0: Port device team_slave_1 added [ 46.038858] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.046612] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 46.058259] device hsr_slave_0 entered promiscuous mode [ 46.064935] device hsr_slave_1 entered promiscuous mode [ 46.070983] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.078217] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.090683] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.102482] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 46.110369] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.133104] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.141748] device hsr_slave_0 entered promiscuous mode [ 46.147290] device hsr_slave_1 entered promiscuous mode [ 46.157285] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.166198] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.175568] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 46.182933] team0: Port device team_slave_0 added [ 46.199723] device hsr_slave_0 entered promiscuous mode [ 46.205447] device hsr_slave_1 entered promiscuous mode [ 46.215273] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.228710] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 46.235854] team0: Port device team_slave_1 added [ 46.242632] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 46.250846] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.274656] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 46.282357] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.291808] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.310523] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.320237] device hsr_slave_0 entered promiscuous mode [ 46.325991] device hsr_slave_1 entered promiscuous mode [ 46.335247] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 46.356623] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.364149] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.371465] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 46.387819] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.397914] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.409782] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.417160] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.426465] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.440734] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.446781] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.455610] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.465156] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.473894] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 46.481333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.489462] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.496976] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.503364] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.510313] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.517940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.526390] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.532767] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.541236] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.551701] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.560197] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.573812] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.580826] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.587541] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 46.601408] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.607467] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.614723] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 46.623852] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 46.634914] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.644059] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 46.652524] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 46.661232] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 46.670570] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 46.678904] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 46.692619] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.699662] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.707239] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.715577] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 46.723340] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 46.733044] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.742640] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 46.752573] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.760310] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.767490] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 46.776111] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.783848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.791388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.798108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.806273] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.814097] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.820474] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.828155] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 46.837183] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 46.843383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 46.855688] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.864013] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.871848] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.880402] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.886461] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.895755] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.902472] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 46.910832] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 46.918795] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.925117] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.931883] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.939107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.946891] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.961592] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.967661] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.979845] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.989160] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.997108] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.004995] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.013388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.021394] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.027736] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.034694] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.042419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.050117] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.056455] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.063320] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.074565] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.084846] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.099813] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.106898] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.114802] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.123151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.131439] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.139218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.146837] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 47.154496] bridge0: port 1(bridge_slave_0) entered blocking state [ 47.160880] bridge0: port 1(bridge_slave_0) entered forwarding state [ 47.167664] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.176198] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 47.183537] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.192291] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.200122] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.208016] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.217569] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.225523] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.233163] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.241273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.247989] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.255167] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.262817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.271405] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.282296] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.299403] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.305461] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.316158] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.324698] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.333381] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.342145] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.349672] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.356525] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.366762] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.374626] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.383292] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.391205] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.397548] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.406602] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 47.415027] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.427479] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 47.436476] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.446279] FAULT_INJECTION: forcing a failure. [ 47.446279] name failslab, interval 1, probability 0, space 0, times 1 [ 47.457032] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.457921] CPU: 0 PID: 7135 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 47.472443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.473821] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.481784] Call Trace: [ 47.481796] dump_stack+0x123/0x177 [ 47.481803] should_fail.cold.4+0x5/0x13 [ 47.481808] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.481816] ? mark_held_locks+0x130/0x130 [ 47.481823] __should_failslab+0xba/0xf0 [ 47.481828] should_failslab+0x9/0x14 [ 47.481832] __kmalloc+0x70/0x770 [ 47.481836] ? __lock_is_held+0xb5/0x140 [ 47.481843] ? __tty_buffer_request_room+0x1b3/0x550 [ 47.481846] ? n_tty_receive_buf_common+0x740/0x2bd0 [ 47.481852] __tty_buffer_request_room+0x1b3/0x550 [ 47.481871] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 47.481875] ? do_raw_spin_lock+0xd0/0x240 [ 47.481883] pty_write+0xf3/0x200 [ 47.481890] tty_put_char+0x10d/0x130 [ 47.481894] ? dev_match_devt+0x90/0x90 [ 47.481897] ? kasan_check_read+0x11/0x20 [ 47.481901] ? tty_buffer_space_avail+0x56/0xb0 [ 47.481905] ? pty_write_room+0x8f/0xb0 [ 47.481910] __process_echoes+0x311/0x790 [ 47.481917] n_tty_receive_buf_common+0x780/0x2bd0 [ 47.481930] n_tty_receive_buf+0xc/0x10 [ 47.498266] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.498867] tty_ioctl+0x64e/0x12a0 [ 47.505073] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.508162] ? tty_vhangup+0x20/0x20 [ 47.508168] ? avc_ss_reset+0x140/0x140 [ 47.508176] ? mark_held_locks+0x130/0x130 [ 47.508180] ? kasan_check_write+0x14/0x20 [ 47.508185] ? proc_fail_nth_write+0x13a/0x180 [ 47.508195] ? proc_cwd_link+0x1b0/0x1b0 [ 47.508199] ? __lock_is_held+0xb5/0x140 [ 47.508212] do_vfs_ioctl+0x199/0x10d0 [ 47.508218] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.508223] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.508229] ? __mutex_lock+0x412/0x1210 [ 47.508236] ? ksys_dup3+0x2e0/0x2e0 [ 47.508239] ? kasan_check_write+0x14/0x20 [ 47.508242] ? fput+0x18/0x120 [ 47.508247] ? security_file_ioctl+0x50/0x90 [ 47.508251] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.508256] ksys_ioctl+0x62/0x90 [ 47.508260] ? lockdep_hardirqs_on+0x421/0x5c0 [ 47.508265] __x64_sys_ioctl+0x6e/0xb0 [ 47.508271] do_syscall_64+0xd6/0x4e0 [ 47.508277] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.508281] RIP: 0033:0x458ca9 [ 47.508286] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.508290] RSP: 002b:00007f453e993c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.522233] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 47.523600] RAX: ffffffffffffffda RBX: 00007f453e993c90 RCX: 0000000000458ca9 [ 47.530655] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 47.533755] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.541700] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.544167] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.549670] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.551805] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f453e9946d4 [ 47.556063] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 47.559578] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 47.559590] [ 47.559592] ====================================================== [ 47.559593] WARNING: possible circular locking dependency detected [ 47.559594] 4.19.152-syzkaller #0 Not tainted [ 47.559595] ------------------------------------------------------ [ 47.559596] syz-executor.0/7135 is trying to acquire lock: [ 47.559597] 000000008fc1b796 (console_owner){-...}, at: console_unlock+0x386/0xdf0 [ 47.559601] [ 47.559602] but task is already holding lock: [ 47.559603] 000000005347e7fd (&(&port->lock)->rlock){-.-.}, at: pty_write+0xbf/0x200 [ 47.559607] [ 47.559608] which lock already depends on the new lock. [ 47.559609] [ 47.559610] [ 47.559612] the existing dependency chain (in reverse order) is: [ 47.559612] [ 47.559613] -> #2 (&(&port->lock)->rlock){-.-.}: [ 47.559617] _raw_spin_lock_irqsave+0x99/0xd0 [ 47.559618] tty_port_tty_get+0x1b/0x70 [ 47.559619] tty_port_default_wakeup+0xa/0x30 [ 47.559619] tty_port_tty_wakeup+0x58/0x70 [ 47.559620] uart_write_wakeup+0x37/0x50 [ 47.559622] serial8250_tx_chars+0x3eb/0x9f0 [ 47.559623] serial8250_handle_irq.part.23+0x229/0x2e0 [ 47.559624] serial8250_default_handle_irq+0x82/0xe0 [ 47.559625] serial8250_interrupt+0xd8/0x170 [ 47.559626] __handle_irq_event_percpu+0x102/0x660 [ 47.559628] handle_irq_event_percpu+0x6c/0x140 [ 47.559629] handle_irq_event+0xa2/0x130 [ 47.559630] handle_edge_irq+0x20b/0x790 [ 47.559631] handle_irq+0x231/0x392 [ 47.559632] do_IRQ+0x98/0x1d0 [ 47.559633] ret_from_intr+0x0/0x1e [ 47.559634] native_safe_halt+0x12/0x20 [ 47.559635] default_idle+0x51/0x320 [ 47.559637] arch_cpu_idle+0x10/0x20 [ 47.559638] default_idle_call+0x6d/0x90 [ 47.559639] do_idle+0x41e/0x560 [ 47.559640] cpu_startup_entry+0xc8/0xe0 [ 47.559641] start_secondary+0x41f/0x5b0 [ 47.559642] secondary_startup_64+0xa4/0xb0 [ 47.559643] [ 47.559644] -> #1 (&port_lock_key){-.-.}: [ 47.559647] _raw_spin_lock_irqsave+0x99/0xd0 [ 47.559648] serial8250_console_write+0x6f3/0x8b0 [ 47.559649] univ8250_console_write+0x4e/0x70 [ 47.559650] console_unlock+0x8c1/0xdf0 [ 47.559651] vprintk_emit+0x191/0x540 [ 47.559652] vprintk_default+0x1a/0x20 [ 47.559653] vprintk_func+0x49/0x12c [ 47.559654] printk+0x9a/0xc0 [ 47.559655] register_console+0x5d0/0x990 [ 47.559657] univ8250_console_init+0x1e/0x28 [ 47.559657] console_init+0x317/0x481 [ 47.559675] start_kernel+0x4b6/0x62f [ 47.559676] x86_64_start_reservations+0x29/0x2b [ 47.559677] x86_64_start_kernel+0x76/0x79 [ 47.559679] secondary_startup_64+0xa4/0xb0 [ 47.559680] [ 47.559680] -> #0 (console_owner){-...}: [ 47.559684] lock_acquire+0x173/0x3d0 [ 47.559685] console_unlock+0x3e8/0xdf0 [ 47.559686] vprintk_emit+0x191/0x540 [ 47.559687] vprintk_default+0x1a/0x20 [ 47.559689] vprintk_func+0x49/0x12c [ 47.559689] printk+0x9a/0xc0 [ 47.559690] should_fail+0x551/0x68a [ 47.559691] __should_failslab+0xba/0xf0 [ 47.559692] should_failslab+0x9/0x14 [ 47.559693] __kmalloc+0x70/0x770 [ 47.559694] __tty_buffer_request_room+0x1b3/0x550 [ 47.559695] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 47.559696] pty_write+0xf3/0x200 [ 47.559697] tty_put_char+0x10d/0x130 [ 47.559698] __process_echoes+0x311/0x790 [ 47.559699] n_tty_receive_buf_common+0x780/0x2bd0 [ 47.559700] n_tty_receive_buf+0xc/0x10 [ 47.559701] tty_ioctl+0x64e/0x12a0 [ 47.559702] do_vfs_ioctl+0x199/0x10d0 [ 47.559703] ksys_ioctl+0x62/0x90 [ 47.559704] __x64_sys_ioctl+0x6e/0xb0 [ 47.559705] do_syscall_64+0xd6/0x4e0 [ 47.559706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.559707] [ 47.559708] other info that might help us debug this: [ 47.559709] [ 47.559710] Chain exists of: [ 47.559711] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 47.559717] [ 47.559718] Possible unsafe locking scenario: [ 47.559719] [ 47.559720] CPU0 CPU1 [ 47.559721] ---- ---- [ 47.559722] lock(&(&port->lock)->rlock); [ 47.559725] lock(&port_lock_key); [ 47.559728] lock(&(&port->lock)->rlock); [ 47.559730] lock(console_owner); [ 47.559732] [ 47.559733] *** DEADLOCK *** [ 47.559734] [ 47.559735] 5 locks held by syz-executor.0/7135: [ 47.559736] #0: 00000000048ddc9c (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x2d/0x40 [ 47.559742] #1: 00000000e21ada4b (&o_tty->termios_rwsem/1){++++}, at: n_tty_receive_buf_common+0x80/0x2bd0 [ 47.559747] #2: 00000000a3019d61 (&ldata->output_lock){+.+.}, at: n_tty_receive_buf_common+0x740/0x2bd0 [ 47.559751] #3: 000000005347e7fd (&(&port->lock)->rlock){-.-.}, at: pty_write+0xbf/0x200 [ 47.559756] #4: 00000000240addab (console_lock){+.+.}, at: vprintk_emit+0x184/0x540 [ 47.559760] [ 47.559761] stack backtrace: [ 47.559762] CPU: 0 PID: 7135 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 47.559764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.559765] Call Trace: [ 47.559766] dump_stack+0x123/0x177 [ 47.559767] print_circular_bug.isra.34.cold.55+0x1bd/0x27d [ 47.559768] ? save_trace+0xe0/0x290 [ 47.559769] __lock_acquire+0x30df/0x4980 [ 47.559770] ? mark_held_locks+0x130/0x130 [ 47.559771] ? pointer+0x7c0/0x7c0 [ 47.559772] lock_acquire+0x173/0x3d0 [ 47.559773] ? console_unlock+0x386/0xdf0 [ 47.559774] console_unlock+0x3e8/0xdf0 [ 47.559775] ? console_unlock+0x386/0xdf0 [ 47.559776] ? vprintk_emit+0x184/0x540 [ 47.559777] vprintk_emit+0x191/0x540 [ 47.559778] vprintk_default+0x1a/0x20 [ 47.559779] vprintk_func+0x49/0x12c [ 47.559780] printk+0x9a/0xc0 [ 47.559781] ? log_store.cold.33+0x11/0x11 [ 47.559782] should_fail+0x551/0x68a [ 47.559783] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 47.559784] ? mark_held_locks+0x130/0x130 [ 47.559785] __should_failslab+0xba/0xf0 [ 47.559786] should_failslab+0x9/0x14 [ 47.559787] __kmalloc+0x70/0x770 [ 47.559788] ? __lock_is_held+0xb5/0x140 [ 47.559789] ? __tty_buffer_request_room+0x1b3/0x550 [ 47.559790] ? n_tty_receive_buf_common+0x740/0x2bd0 [ 47.559791] __tty_buffer_request_room+0x1b3/0x550 [ 47.559793] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 47.559794] ? do_raw_spin_lock+0xd0/0x240 [ 47.559795] pty_write+0xf3/0x200 [ 47.559796] tty_put_char+0x10d/0x130 [ 47.559797] ? dev_match_devt+0x90/0x90 [ 47.559798] ? kasan_check_read+0x11/0x20 [ 47.559799] ? tty_buffer_space_avail+0x56/0xb0 [ 47.559800] ? pty_write_room+0x8f/0xb0 [ 47.559801] __process_echoes+0x311/0x790 [ 47.559802] n_tty_receive_buf_common+0x780/0x2bd0 [ 47.559803] n_tty_receive_buf+0xc/0x10 [ 47.559804] tty_ioctl+0x64e/0x12a0 [ 47.559805] ? tty_vhangup+0x20/0x20 [ 47.559806] ? avc_ss_reset+0x140/0x140 [ 47.559807] ? mark_held_locks+0x130/0x130 [ 47.559808] ? kasan_check_write+0x14/0x20 [ 47.559809] ? proc_fail_nth_write+0x13a/0x180 [ 47.559810] ? proc_cwd_link+0x1b0/0x1b0 [ 47.559811] ? __lock_is_held+0xb5/0x140 [ 47.559812] do_vfs_ioctl+0x199/0x10d0 [ 47.559813] ? ioctl_preallocate+0x1c0/0x1c0 [ 47.559814] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.559815] ? __mutex_lock+0x412/0x1210 [ 47.559816] ? ksys_dup3+0x2e0/0x2e0 [ 47.559817] ? kasan_check_write+0x14/0x20 [ 47.559818] ? fput+0x18/0x120 [ 47.559819] ? security_file_ioctl+0x50/0x90 [ 47.559820] ? selinux_file_mprotect+0x5f0/0x5f0 [ 47.559821] ksys_ioctl+0x62/0x90 [ 47.559822] ? lockdep_hardirqs_on+0x421/0x5c0 [ 47.559823] __x64_sys_ioctl+0x6e/0xb0 [ 47.559824] do_syscall_64+0xd6/0x4e0 [ 47.559825] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.559826] RIP: 0033:0x458ca9 [ 47.559828] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 47.559829] RSP: 002b:00007f453e993c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.559832] RAX: ffffffffffffffda RBX: 00007f453e993c90 RCX: 0000000000458ca9 [ 47.559833] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.559834] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.559836] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f453e9946d4 [ 47.559837] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 48.612959] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.620990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.628531] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.635718] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.643657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.651152] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.657459] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.666417] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.673972] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.681452] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.689024] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.696325] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.703971] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.711375] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.718760] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.725983] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.733339] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.740599] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.747951] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.756199] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.767660] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.775184] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.782978] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.790819] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.797690] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.804872] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.811666] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.819300] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.826481] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.834016] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.841327] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.848940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.856314] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.862649] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.869999] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.875974] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.885142] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.892523] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.898916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.905983] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 48.913653] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.920300] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.930191] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.938779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.945484] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.967635] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.984594] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.992739] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.999820] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.007304] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 49.016609] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 49.024072] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.030417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 49.037168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.045711] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.056086] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 49.067836] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.075404] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 49.083961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 49.094740] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.101107] bridge0: port 2(bridge_slave_1) entered forwarding state [ 49.109896] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.118580] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 49.125383] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.133812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.141521] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 49.149617] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.157557] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 49.165673] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.173069] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.180009] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 49.187442] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.196712] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.204985] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 49.213484] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.221374] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 49.229123] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 49.236415] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.244058] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.251536] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.261384] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.269047] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 49.276905] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.284715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.292293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.299575] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.307014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.315009] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.321275] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.328983] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.336725] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.345289] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 49.355179] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.365505] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.375004] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.382870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.390735] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.399354] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.409264] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.415416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.426494] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.435926] FAULT_INJECTION: forcing a failure. [ 49.435926] name failslab, interval 1, probability 0, space 0, times 0 [ 49.447103] CPU: 1 PID: 7165 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 49.454879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.464228] Call Trace: [ 49.465796] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.466803] dump_stack+0x123/0x177 [ 49.466810] should_fail.cold.4+0x5/0x13 [ 49.480502] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 49.485593] ? mark_held_locks+0x130/0x130 [ 49.489823] __should_failslab+0xba/0xf0 [ 49.493895] should_failslab+0x9/0x14 [ 49.497681] __kmalloc+0x70/0x770 [ 49.501122] ? __tty_buffer_request_room+0x1b3/0x550 [ 49.504297] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.506232] __tty_buffer_request_room+0x1b3/0x550 [ 49.506238] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 49.506244] ? do_raw_spin_lock+0xd0/0x240 [ 49.526939] pty_write+0xf3/0x200 [ 49.530383] tty_put_char+0x10d/0x130 [ 49.534171] ? dev_match_devt+0x90/0x90 [ 49.538130] ? kasan_check_read+0x11/0x20 [ 49.542268] ? tty_buffer_space_avail+0x56/0xb0 [ 49.546927] ? pty_write_room+0x8f/0xb0 [ 49.550892] __process_echoes+0x311/0x790 [ 49.555036] n_tty_receive_buf_common+0x780/0x2bd0 [ 49.559958] n_tty_receive_buf+0xc/0x10 [ 49.563924] tty_ioctl+0x64e/0x12a0 [ 49.567540] ? tty_vhangup+0x20/0x20 [ 49.571249] ? avc_ss_reset+0x140/0x140 [ 49.575214] ? mark_held_locks+0x130/0x130 [ 49.579434] ? kasan_check_write+0x14/0x20 [ 49.583656] ? proc_fail_nth_write+0x13a/0x180 [ 49.588233] ? proc_cwd_link+0x1b0/0x1b0 [ 49.592285] ? __fdget_pos+0xa7/0xd0 [ 49.595989] ? __vfs_write+0xe6/0x890 2020/10/26 01:47:03 executed programs: 22 [ 49.599775] ? __fdget_pos+0xa7/0xd0 [ 49.603480] do_vfs_ioctl+0x199/0x10d0 [ 49.607357] ? ioctl_preallocate+0x1c0/0x1c0 [ 49.611756] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.616499] ? __mutex_lock+0x412/0x1210 [ 49.620547] ? ksys_dup3+0x2e0/0x2e0 [ 49.624246] ? kasan_check_write+0x14/0x20 [ 49.628467] ? fput+0x18/0x120 [ 49.631650] ? security_file_ioctl+0x50/0x90 [ 49.636045] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.640786] ksys_ioctl+0x62/0x90 [ 49.644228] ? trace_hardirqs_off_caller+0x1d/0x180 [ 49.649229] __x64_sys_ioctl+0x6e/0xb0 [ 49.653104] do_syscall_64+0xd6/0x4e0 [ 49.656893] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.662068] RIP: 0033:0x458ca9 [ 49.665248] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.684134] RSP: 002b:00007f453e993c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.691830] RAX: ffffffffffffffda RBX: 00007f453e993c90 RCX: 0000000000458ca9 [ 49.699089] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.706346] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.713605] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f453e9946d4 [ 49.720867] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 49.735232] FAULT_INJECTION: forcing a failure. [ 49.735232] name failslab, interval 1, probability 0, space 0, times 0 [ 49.746415] CPU: 1 PID: 7216 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 [ 49.754189] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.763525] Call Trace: [ 49.766103] dump_stack+0x123/0x177 [ 49.769723] should_fail.cold.4+0x5/0x13 [ 49.773779] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 49.778877] ? mark_held_locks+0x130/0x130 [ 49.783105] __should_failslab+0xba/0xf0 [ 49.787155] should_failslab+0x9/0x14 [ 49.790945] __kmalloc+0x70/0x770 [ 49.794392] ? __tty_buffer_request_room+0x1b3/0x550 [ 49.799481] __tty_buffer_request_room+0x1b3/0x550 [ 49.804498] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 49.810390] ? do_raw_spin_lock+0xd0/0x240 [ 49.814650] pty_write+0xf3/0x200 [ 49.818078] tty_put_char+0x10d/0x130 [ 49.821850] ? dev_match_devt+0x90/0x90 [ 49.825883] ? kasan_check_read+0x11/0x20 [ 49.830009] ? tty_buffer_space_avail+0x56/0xb0 [ 49.834654] ? pty_write_room+0x8f/0xb0 [ 49.838625] __process_echoes+0x311/0x790 [ 49.842744] n_tty_receive_buf_common+0x780/0x2bd0 [ 49.847655] n_tty_receive_buf+0xc/0x10 [ 49.851626] tty_ioctl+0x64e/0x12a0 [ 49.855224] ? tty_vhangup+0x20/0x20 [ 49.858923] ? avc_ss_reset+0x140/0x140 [ 49.862876] ? mark_held_locks+0x130/0x130 [ 49.867089] ? kasan_check_write+0x14/0x20 [ 49.871315] ? proc_fail_nth_write+0x13a/0x180 [ 49.875874] ? proc_cwd_link+0x1b0/0x1b0 [ 49.879918] ? __fdget_pos+0xa7/0xd0 [ 49.883628] ? __vfs_write+0xe6/0x890 [ 49.887419] ? __fdget_pos+0xa7/0xd0 [ 49.891111] do_vfs_ioctl+0x199/0x10d0 [ 49.894987] ? ioctl_preallocate+0x1c0/0x1c0 [ 49.899366] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.904099] ? __mutex_lock+0x412/0x1210 [ 49.908532] ? ksys_dup3+0x2e0/0x2e0 [ 49.912220] ? kasan_check_write+0x14/0x20 [ 49.916426] ? fput+0x18/0x120 [ 49.919608] ? security_file_ioctl+0x50/0x90 [ 49.923987] ? selinux_file_mprotect+0x5f0/0x5f0 [ 49.928717] ksys_ioctl+0x62/0x90 [ 49.932144] ? trace_hardirqs_off_caller+0x1d/0x180 [ 49.937134] __x64_sys_ioctl+0x6e/0xb0 [ 49.940995] do_syscall_64+0xd6/0x4e0 [ 49.944768] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.949943] RIP: 0033:0x458ca9 [ 49.953104] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 49.971992] RSP: 002b:00007f584742fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.979669] RAX: ffffffffffffffda RBX: 00007f584742fc90 RCX: 0000000000458ca9 [ 49.986935] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.994177] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.001436] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f58474306d4 [ 50.008985] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 50.059975] FAULT_INJECTION: forcing a failure. [ 50.059975] name failslab, interval 1, probability 0, space 0, times 0 [ 50.071169] CPU: 1 PID: 7231 Comm: syz-executor.1 Not tainted 4.19.152-syzkaller #0 [ 50.078951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.088291] Call Trace: [ 50.090864] dump_stack+0x123/0x177 [ 50.094508] should_fail.cold.4+0x5/0x13 [ 50.098552] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.103644] ? mark_held_locks+0x130/0x130 [ 50.107868] __should_failslab+0xba/0xf0 [ 50.112263] should_failslab+0x9/0x14 [ 50.116051] __kmalloc+0x70/0x770 [ 50.119498] ? __tty_buffer_request_room+0x1b3/0x550 [ 50.124591] __tty_buffer_request_room+0x1b3/0x550 [ 50.129509] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 50.135032] ? do_raw_spin_lock+0xd0/0x240 [ 50.139259] pty_write+0xf3/0x200 [ 50.142702] tty_put_char+0x10d/0x130 [ 50.146490] ? dev_match_devt+0x90/0x90 [ 50.150470] ? kasan_check_read+0x11/0x20 [ 50.154605] ? tty_buffer_space_avail+0x56/0xb0 [ 50.159289] ? pty_write_room+0x8f/0xb0 [ 50.163255] __process_echoes+0x311/0x790 [ 50.167398] n_tty_receive_buf_common+0x780/0x2bd0 [ 50.172319] n_tty_receive_buf+0xc/0x10 [ 50.176280] tty_ioctl+0x64e/0x12a0 [ 50.179902] ? tty_vhangup+0x20/0x20 [ 50.183605] ? avc_ss_reset+0x140/0x140 [ 50.187577] ? mark_held_locks+0x130/0x130 [ 50.191797] ? kasan_check_write+0x14/0x20 [ 50.196021] ? proc_fail_nth_write+0x13a/0x180 [ 50.200590] ? proc_cwd_link+0x1b0/0x1b0 [ 50.204640] ? __fdget_pos+0xa7/0xd0 [ 50.208825] ? __vfs_write+0xe6/0x890 [ 50.212613] ? __fdget_pos+0xa7/0xd0 [ 50.216319] do_vfs_ioctl+0x199/0x10d0 [ 50.220196] ? ioctl_preallocate+0x1c0/0x1c0 [ 50.224591] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.229333] ? __mutex_lock+0x412/0x1210 [ 50.233382] ? ksys_dup3+0x2e0/0x2e0 [ 50.237090] ? kasan_check_write+0x14/0x20 [ 50.241311] ? fput+0x18/0x120 [ 50.244494] ? security_file_ioctl+0x50/0x90 [ 50.249011] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.253767] ksys_ioctl+0x62/0x90 [ 50.257208] ? trace_hardirqs_off_caller+0x1d/0x180 [ 50.262213] __x64_sys_ioctl+0x6e/0xb0 [ 50.266092] do_syscall_64+0xd6/0x4e0 [ 50.269888] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.275067] RIP: 0033:0x458ca9 [ 50.278263] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.297138] RSP: 002b:00007f8dfd7aec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.304832] RAX: ffffffffffffffda RBX: 00007f8dfd7aec90 RCX: 0000000000458ca9 [ 50.312451] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.319715] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.326971] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dfd7af6d4 [ 50.334226] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 50.419710] FAULT_INJECTION: forcing a failure. [ 50.419710] name failslab, interval 1, probability 0, space 0, times 0 [ 50.430912] CPU: 1 PID: 7289 Comm: syz-executor.3 Not tainted 4.19.152-syzkaller #0 [ 50.438690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.448033] Call Trace: [ 50.450630] dump_stack+0x123/0x177 [ 50.454249] should_fail.cold.4+0x5/0x13 [ 50.458299] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.463507] ? mark_held_locks+0x130/0x130 [ 50.467741] __should_failslab+0xba/0xf0 [ 50.471788] should_failslab+0x9/0x14 [ 50.475695] __kmalloc+0x70/0x770 [ 50.479148] ? __tty_buffer_request_room+0x1b3/0x550 [ 50.484242] __tty_buffer_request_room+0x1b3/0x550 [ 50.489171] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 50.494695] ? do_raw_spin_lock+0xd0/0x240 [ 50.498919] pty_write+0xf3/0x200 [ 50.502372] tty_put_char+0x10d/0x130 [ 50.506162] ? dev_match_devt+0x90/0x90 [ 50.510120] ? kasan_check_read+0x11/0x20 [ 50.514286] ? tty_buffer_space_avail+0x56/0xb0 [ 50.518945] ? pty_write_room+0x8f/0xb0 [ 50.522905] __process_echoes+0x311/0x790 [ 50.527045] n_tty_receive_buf_common+0x780/0x2bd0 [ 50.531972] n_tty_receive_buf+0xc/0x10 [ 50.535938] tty_ioctl+0x64e/0x12a0 [ 50.539557] ? tty_vhangup+0x20/0x20 [ 50.543358] ? avc_ss_reset+0x140/0x140 [ 50.547330] ? mark_held_locks+0x130/0x130 [ 50.551551] ? kasan_check_write+0x14/0x20 [ 50.555782] ? proc_fail_nth_write+0x13a/0x180 [ 50.560357] ? proc_cwd_link+0x1b0/0x1b0 [ 50.564414] ? __fdget_pos+0xa7/0xd0 [ 50.568120] ? __vfs_write+0xe6/0x890 [ 50.571912] ? __fdget_pos+0xa7/0xd0 [ 50.575618] do_vfs_ioctl+0x199/0x10d0 [ 50.579505] ? ioctl_preallocate+0x1c0/0x1c0 [ 50.583905] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.588647] ? __mutex_lock+0x412/0x1210 [ 50.592688] ? ksys_dup3+0x2e0/0x2e0 [ 50.596385] ? kasan_check_write+0x14/0x20 [ 50.600634] ? fput+0x18/0x120 [ 50.603802] ? security_file_ioctl+0x50/0x90 [ 50.608182] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.612909] ksys_ioctl+0x62/0x90 [ 50.616355] ? trace_hardirqs_off_caller+0x1d/0x180 [ 50.621365] __x64_sys_ioctl+0x6e/0xb0 [ 50.625240] do_syscall_64+0xd6/0x4e0 [ 50.629013] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.634172] RIP: 0033:0x458ca9 [ 50.637338] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.656211] RSP: 002b:00007f8aebf19c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.663901] RAX: ffffffffffffffda RBX: 00007f8aebf19c90 RCX: 0000000000458ca9 [ 50.671143] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.678388] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.685628] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8aebf1a6d4 [ 50.692870] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 50.721273] FAULT_INJECTION: forcing a failure. [ 50.721273] name failslab, interval 1, probability 0, space 0, times 0 [ 50.732465] CPU: 1 PID: 7320 Comm: syz-executor.1 Not tainted 4.19.152-syzkaller #0 [ 50.740250] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.749590] Call Trace: [ 50.752167] dump_stack+0x123/0x177 [ 50.756824] should_fail.cold.4+0x5/0x13 [ 50.760876] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 50.765987] ? mark_held_locks+0x130/0x130 [ 50.770216] __should_failslab+0xba/0xf0 [ 50.774267] should_failslab+0x9/0x14 [ 50.778068] __kmalloc+0x70/0x770 [ 50.781529] ? __tty_buffer_request_room+0x1b3/0x550 [ 50.786621] __tty_buffer_request_room+0x1b3/0x550 [ 50.791537] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 50.797060] ? do_raw_spin_lock+0xd0/0x240 [ 50.801270] pty_write+0xf3/0x200 [ 50.804701] tty_put_char+0x10d/0x130 [ 50.808474] ? dev_match_devt+0x90/0x90 [ 50.812422] ? kasan_check_read+0x11/0x20 [ 50.816541] ? tty_buffer_space_avail+0x56/0xb0 [ 50.821181] ? pty_write_room+0x8f/0xb0 [ 50.825128] __process_echoes+0x311/0x790 [ 50.829252] n_tty_receive_buf_common+0x780/0x2bd0 [ 50.834157] n_tty_receive_buf+0xc/0x10 [ 50.838120] tty_ioctl+0x64e/0x12a0 [ 50.841718] ? tty_vhangup+0x20/0x20 [ 50.845406] ? avc_ss_reset+0x140/0x140 [ 50.849353] ? mark_held_locks+0x130/0x130 [ 50.853563] ? kasan_check_write+0x14/0x20 [ 50.857768] ? proc_fail_nth_write+0x13a/0x180 [ 50.862327] ? proc_cwd_link+0x1b0/0x1b0 [ 50.866372] ? __fdget_pos+0xa7/0xd0 [ 50.870061] ? __vfs_write+0xe6/0x890 [ 50.873846] ? __fdget_pos+0xa7/0xd0 [ 50.877535] do_vfs_ioctl+0x199/0x10d0 [ 50.881399] ? ioctl_preallocate+0x1c0/0x1c0 [ 50.885779] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.890508] ? __mutex_lock+0x412/0x1210 [ 50.894554] ? ksys_dup3+0x2e0/0x2e0 [ 50.898242] ? kasan_check_write+0x14/0x20 [ 50.902456] ? fput+0x18/0x120 [ 50.905619] ? security_file_ioctl+0x50/0x90 [ 50.910004] ? selinux_file_mprotect+0x5f0/0x5f0 [ 50.914734] ksys_ioctl+0x62/0x90 [ 50.918161] ? trace_hardirqs_off_caller+0x1d/0x180 [ 50.923151] __x64_sys_ioctl+0x6e/0xb0 [ 50.927011] do_syscall_64+0xd6/0x4e0 [ 50.930787] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 50.935947] RIP: 0033:0x458ca9 [ 50.939112] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 50.957986] RSP: 002b:00007f8dfd7aec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.965663] RAX: ffffffffffffffda RBX: 00007f8dfd7aec90 RCX: 0000000000458ca9 [ 50.972905] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.980145] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.987402] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dfd7af6d4 [ 50.994661] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 51.009707] FAULT_INJECTION: forcing a failure. [ 51.009707] name failslab, interval 1, probability 0, space 0, times 0 [ 51.020890] CPU: 1 PID: 7332 Comm: syz-executor.2 Not tainted 4.19.152-syzkaller #0 [ 51.028664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.037996] Call Trace: [ 51.040567] dump_stack+0x123/0x177 [ 51.044182] should_fail.cold.4+0x5/0x13 [ 51.048232] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.053326] ? mark_held_locks+0x130/0x130 [ 51.057559] __should_failslab+0xba/0xf0 [ 51.061608] should_failslab+0x9/0x14 [ 51.065400] __kmalloc+0x70/0x770 [ 51.068868] ? __tty_buffer_request_room+0x1b3/0x550 [ 51.073959] __tty_buffer_request_room+0x1b3/0x550 [ 51.078876] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 51.084396] ? do_raw_spin_lock+0xd0/0x240 [ 51.088621] pty_write+0xf3/0x200 [ 51.092091] tty_put_char+0x10d/0x130 [ 51.095879] ? dev_match_devt+0x90/0x90 [ 51.099834] ? kasan_check_read+0x11/0x20 [ 51.103967] ? tty_buffer_space_avail+0x56/0xb0 [ 51.108622] ? pty_write_room+0x8f/0xb0 [ 51.112585] __process_echoes+0x311/0x790 [ 51.116721] n_tty_receive_buf_common+0x780/0x2bd0 [ 51.121645] n_tty_receive_buf+0xc/0x10 [ 51.125608] tty_ioctl+0x64e/0x12a0 [ 51.129247] ? tty_vhangup+0x20/0x20 [ 51.132948] ? avc_ss_reset+0x140/0x140 [ 51.136912] ? mark_held_locks+0x130/0x130 [ 51.141158] ? kasan_check_write+0x14/0x20 [ 51.145383] ? proc_fail_nth_write+0x13a/0x180 [ 51.149951] ? proc_cwd_link+0x1b0/0x1b0 [ 51.154002] ? __fdget_pos+0xa7/0xd0 [ 51.157706] ? __vfs_write+0xe6/0x890 [ 51.161490] ? __fdget_pos+0xa7/0xd0 [ 51.165198] do_vfs_ioctl+0x199/0x10d0 [ 51.169075] ? ioctl_preallocate+0x1c0/0x1c0 [ 51.173470] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.178216] ? __mutex_lock+0x412/0x1210 [ 51.182262] ? ksys_dup3+0x2e0/0x2e0 [ 51.185948] ? kasan_check_write+0x14/0x20 [ 51.190155] ? fput+0x18/0x120 [ 51.193327] ? security_file_ioctl+0x50/0x90 [ 51.197709] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.202435] ksys_ioctl+0x62/0x90 [ 51.205859] ? trace_hardirqs_off_caller+0x1d/0x180 [ 51.210851] __x64_sys_ioctl+0x6e/0xb0 [ 51.214724] do_syscall_64+0xd6/0x4e0 [ 51.218500] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.223816] RIP: 0033:0x458ca9 [ 51.226987] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.245873] RSP: 002b:00007fd5ff57cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.253552] RAX: ffffffffffffffda RBX: 00007fd5ff57cc90 RCX: 0000000000458ca9 [ 51.260804] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.268046] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.275304] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5ff57d6d4 [ 51.282547] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 51.389201] FAULT_INJECTION: forcing a failure. [ 51.389201] name failslab, interval 1, probability 0, space 0, times 0 [ 51.400406] CPU: 1 PID: 7399 Comm: syz-executor.3 Not tainted 4.19.152-syzkaller #0 [ 51.408183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.417522] Call Trace: [ 51.420095] dump_stack+0x123/0x177 [ 51.423709] should_fail.cold.4+0x5/0x13 [ 51.427757] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.432852] ? mark_held_locks+0x130/0x130 [ 51.437076] __should_failslab+0xba/0xf0 [ 51.441125] should_failslab+0x9/0x14 [ 51.444934] __kmalloc+0x70/0x770 [ 51.448394] ? __tty_buffer_request_room+0x1b3/0x550 [ 51.453496] __tty_buffer_request_room+0x1b3/0x550 [ 51.458416] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 51.463940] ? do_raw_spin_lock+0xd0/0x240 [ 51.468164] pty_write+0xf3/0x200 [ 51.471611] tty_put_char+0x10d/0x130 [ 51.475401] ? dev_match_devt+0x90/0x90 [ 51.479361] ? kasan_check_read+0x11/0x20 [ 51.483497] ? tty_buffer_space_avail+0x56/0xb0 [ 51.488154] ? pty_write_room+0x8f/0xb0 [ 51.492117] __process_echoes+0x311/0x790 [ 51.496258] n_tty_receive_buf_common+0x780/0x2bd0 [ 51.501186] n_tty_receive_buf+0xc/0x10 [ 51.505166] tty_ioctl+0x64e/0x12a0 [ 51.508779] ? tty_vhangup+0x20/0x20 [ 51.512483] ? avc_ss_reset+0x140/0x140 [ 51.516448] ? mark_held_locks+0x130/0x130 [ 51.520668] ? kasan_check_write+0x14/0x20 [ 51.524887] ? proc_fail_nth_write+0x13a/0x180 [ 51.529448] ? proc_cwd_link+0x1b0/0x1b0 [ 51.533486] ? __fdget_pos+0xa7/0xd0 [ 51.537174] ? __vfs_write+0xe6/0x890 [ 51.540990] ? __fdget_pos+0xa7/0xd0 [ 51.544679] do_vfs_ioctl+0x199/0x10d0 [ 51.548574] ? ioctl_preallocate+0x1c0/0x1c0 [ 51.552956] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.557685] ? __mutex_lock+0x412/0x1210 [ 51.561757] ? ksys_dup3+0x2e0/0x2e0 [ 51.565465] ? kasan_check_write+0x14/0x20 [ 51.569692] ? fput+0x18/0x120 [ 51.572875] ? security_file_ioctl+0x50/0x90 [ 51.577272] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.581999] ksys_ioctl+0x62/0x90 [ 51.585429] ? trace_hardirqs_off_caller+0x1d/0x180 [ 51.590416] __x64_sys_ioctl+0x6e/0xb0 [ 51.594275] do_syscall_64+0xd6/0x4e0 [ 51.598047] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.603207] RIP: 0033:0x458ca9 [ 51.606371] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.625244] RSP: 002b:00007f8aebf19c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.632923] RAX: ffffffffffffffda RBX: 00007f8aebf19c90 RCX: 0000000000458ca9 [ 51.640185] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.647434] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.654676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8aebf1a6d4 [ 51.661920] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 51.688251] FAULT_INJECTION: forcing a failure. [ 51.688251] name failslab, interval 1, probability 0, space 0, times 0 [ 51.699452] CPU: 1 PID: 7425 Comm: syz-executor.1 Not tainted 4.19.152-syzkaller #0 [ 51.707242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.716587] Call Trace: [ 51.719166] dump_stack+0x123/0x177 [ 51.722793] should_fail.cold.4+0x5/0x13 [ 51.726844] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 51.731948] ? mark_held_locks+0x130/0x130 [ 51.736208] __should_failslab+0xba/0xf0 [ 51.740257] should_failslab+0x9/0x14 [ 51.744063] __kmalloc+0x70/0x770 [ 51.747509] ? __tty_buffer_request_room+0x1b3/0x550 [ 51.752604] __tty_buffer_request_room+0x1b3/0x550 [ 51.758307] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 51.763833] ? do_raw_spin_lock+0xd0/0x240 [ 51.768060] pty_write+0xf3/0x200 [ 51.771506] tty_put_char+0x10d/0x130 [ 51.775294] ? dev_match_devt+0x90/0x90 [ 51.779251] ? kasan_check_read+0x11/0x20 [ 51.783384] ? tty_buffer_space_avail+0x56/0xb0 [ 51.788042] ? pty_write_room+0x8f/0xb0 [ 51.792002] __process_echoes+0x311/0x790 [ 51.796141] n_tty_receive_buf_common+0x780/0x2bd0 [ 51.801065] n_tty_receive_buf+0xc/0x10 [ 51.805036] tty_ioctl+0x64e/0x12a0 [ 51.808691] ? tty_vhangup+0x20/0x20 [ 51.812383] ? avc_ss_reset+0x140/0x140 [ 51.816333] ? mark_held_locks+0x130/0x130 [ 51.820537] ? kasan_check_write+0x14/0x20 [ 51.824776] ? proc_fail_nth_write+0x13a/0x180 [ 51.829329] ? proc_cwd_link+0x1b0/0x1b0 [ 51.833384] ? __fdget_pos+0xa7/0xd0 [ 51.837073] ? __vfs_write+0xe6/0x890 [ 51.840849] ? __fdget_pos+0xa7/0xd0 [ 51.844550] do_vfs_ioctl+0x199/0x10d0 [ 51.848409] ? ioctl_preallocate+0x1c0/0x1c0 [ 51.852822] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.857551] ? __mutex_lock+0x412/0x1210 [ 51.861603] ? ksys_dup3+0x2e0/0x2e0 [ 51.865288] ? kasan_check_write+0x14/0x20 [ 51.869492] ? fput+0x18/0x120 [ 51.872675] ? security_file_ioctl+0x50/0x90 [ 51.877056] ? selinux_file_mprotect+0x5f0/0x5f0 [ 51.881806] ksys_ioctl+0x62/0x90 [ 51.885232] ? trace_hardirqs_off_caller+0x1d/0x180 [ 51.890235] __x64_sys_ioctl+0x6e/0xb0 [ 51.894095] do_syscall_64+0xd6/0x4e0 [ 51.897884] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 51.903071] RIP: 0033:0x458ca9 [ 51.906235] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 51.925109] RSP: 002b:00007f8dfd7aec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.932789] RAX: ffffffffffffffda RBX: 00007f8dfd7aec90 RCX: 0000000000458ca9 [ 51.940031] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.947272] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.954512] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dfd7af6d4 [ 51.961777] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 52.017241] FAULT_INJECTION: forcing a failure. [ 52.017241] name failslab, interval 1, probability 0, space 0, times 0 [ 52.028425] CPU: 1 PID: 7454 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 [ 52.036206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.045546] Call Trace: [ 52.048126] dump_stack+0x123/0x177 [ 52.051745] should_fail.cold.4+0x5/0x13 [ 52.055799] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.060893] ? mark_held_locks+0x130/0x130 [ 52.065120] __should_failslab+0xba/0xf0 [ 52.069168] should_failslab+0x9/0x14 [ 52.072953] __kmalloc+0x70/0x770 [ 52.076401] ? __tty_buffer_request_room+0x1b3/0x550 [ 52.081495] __tty_buffer_request_room+0x1b3/0x550 [ 52.086412] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 52.091936] ? do_raw_spin_lock+0xd0/0x240 [ 52.096164] pty_write+0xf3/0x200 [ 52.099606] tty_put_char+0x10d/0x130 [ 52.103391] ? dev_match_devt+0x90/0x90 [ 52.107350] ? kasan_check_read+0x11/0x20 [ 52.111485] ? tty_buffer_space_avail+0x56/0xb0 [ 52.116172] ? pty_write_room+0x8f/0xb0 [ 52.120153] __process_echoes+0x311/0x790 [ 52.124291] n_tty_receive_buf_common+0x780/0x2bd0 [ 52.129210] n_tty_receive_buf+0xc/0x10 [ 52.133197] tty_ioctl+0x64e/0x12a0 [ 52.136810] ? tty_vhangup+0x20/0x20 [ 52.140511] ? avc_ss_reset+0x140/0x140 [ 52.144478] ? mark_held_locks+0x130/0x130 [ 52.148699] ? kasan_check_write+0x14/0x20 [ 52.152916] ? proc_fail_nth_write+0x13a/0x180 [ 52.157491] ? proc_cwd_link+0x1b0/0x1b0 [ 52.161522] ? __fdget_pos+0xa7/0xd0 [ 52.165220] ? __vfs_write+0xe6/0x890 [ 52.168990] ? __fdget_pos+0xa7/0xd0 [ 52.172676] do_vfs_ioctl+0x199/0x10d0 [ 52.176530] ? ioctl_preallocate+0x1c0/0x1c0 [ 52.180910] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.185636] ? __mutex_lock+0x412/0x1210 [ 52.189667] ? ksys_dup3+0x2e0/0x2e0 [ 52.193365] ? kasan_check_write+0x14/0x20 [ 52.197583] ? fput+0x18/0x120 [ 52.200782] ? security_file_ioctl+0x50/0x90 [ 52.205179] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.209921] ksys_ioctl+0x62/0x90 [ 52.213362] ? trace_hardirqs_off_caller+0x1d/0x180 [ 52.218348] __x64_sys_ioctl+0x6e/0xb0 [ 52.222211] do_syscall_64+0xd6/0x4e0 [ 52.225999] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.231157] RIP: 0033:0x458ca9 [ 52.234320] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.253192] RSP: 002b:00007f584742fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.260870] RAX: ffffffffffffffda RBX: 00007f584742fc90 RCX: 0000000000458ca9 [ 52.268111] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.275351] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.282591] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f58474306d4 [ 52.289830] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 52.601586] FAULT_INJECTION: forcing a failure. [ 52.601586] name failslab, interval 1, probability 0, space 0, times 0 [ 52.612713] FAULT_INJECTION: forcing a failure. [ 52.612713] name failslab, interval 1, probability 0, space 0, times 0 [ 52.612789] CPU: 1 PID: 7617 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 52.631712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.641043] Call Trace: [ 52.643607] dump_stack+0x123/0x177 [ 52.647210] should_fail.cold.4+0x5/0x13 [ 52.651250] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.656329] ? mark_held_locks+0x130/0x130 [ 52.660555] __should_failslab+0xba/0xf0 [ 52.664591] should_failslab+0x9/0x14 [ 52.668381] __kmalloc+0x70/0x770 [ 52.671812] ? __tty_buffer_request_room+0x1b3/0x550 [ 52.676889] __tty_buffer_request_room+0x1b3/0x550 [ 52.681796] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 52.687307] ? do_raw_spin_lock+0xd0/0x240 [ 52.691517] pty_write+0xf3/0x200 [ 52.694946] tty_put_char+0x10d/0x130 [ 52.698734] ? dev_match_devt+0x90/0x90 [ 52.702681] ? kasan_check_read+0x11/0x20 [ 52.706801] ? tty_buffer_space_avail+0x56/0xb0 [ 52.711443] ? pty_write_room+0x8f/0xb0 [ 52.715396] __process_echoes+0x311/0x790 [ 52.719517] n_tty_receive_buf_common+0x780/0x2bd0 [ 52.724426] n_tty_receive_buf+0xc/0x10 [ 52.728375] tty_ioctl+0x64e/0x12a0 [ 52.731996] ? tty_vhangup+0x20/0x20 [ 52.735681] ? avc_ss_reset+0x140/0x140 [ 52.739642] ? mark_held_locks+0x130/0x130 [ 52.743851] ? kasan_check_write+0x14/0x20 [ 52.748061] ? proc_fail_nth_write+0x13a/0x180 [ 52.752618] ? proc_cwd_link+0x1b0/0x1b0 [ 52.756653] ? __fdget_pos+0xa7/0xd0 [ 52.760354] ? __vfs_write+0xe6/0x890 [ 52.764129] ? __fdget_pos+0xa7/0xd0 [ 52.767821] do_vfs_ioctl+0x199/0x10d0 [ 52.771684] ? ioctl_preallocate+0x1c0/0x1c0 [ 52.776065] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.780805] ? __mutex_lock+0x412/0x1210 [ 52.784843] ? ksys_dup3+0x2e0/0x2e0 [ 52.788547] ? kasan_check_write+0x14/0x20 [ 52.792768] ? fput+0x18/0x120 [ 52.795950] ? security_file_ioctl+0x50/0x90 [ 52.800331] ? selinux_file_mprotect+0x5f0/0x5f0 [ 52.805060] ksys_ioctl+0x62/0x90 [ 52.808485] ? trace_hardirqs_off_caller+0x1d/0x180 [ 52.813475] __x64_sys_ioctl+0x6e/0xb0 [ 52.817352] do_syscall_64+0xd6/0x4e0 [ 52.821128] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 52.826290] RIP: 0033:0x458ca9 [ 52.829471] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 52.848370] RSP: 002b:00007f453e993c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.856049] RAX: ffffffffffffffda RBX: 00007f453e993c90 RCX: 0000000000458ca9 [ 52.863292] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.870536] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.877779] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f453e9946d4 [ 52.885034] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 52.892291] CPU: 0 PID: 7624 Comm: syz-executor.3 Not tainted 4.19.152-syzkaller #0 [ 52.900079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.907119] FAULT_INJECTION: forcing a failure. [ 52.907119] name failslab, interval 1, probability 0, space 0, times 0 [ 52.909416] Call Trace: [ 52.923151] dump_stack+0x123/0x177 [ 52.926754] should_fail.cold.4+0x5/0x13 [ 52.930790] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 52.935871] ? mark_held_locks+0x130/0x130 [ 52.940083] __should_failslab+0xba/0xf0 [ 52.944122] should_failslab+0x9/0x14 [ 52.947901] __kmalloc+0x70/0x770 [ 52.951333] ? __tty_buffer_request_room+0x1b3/0x550 [ 52.956439] __tty_buffer_request_room+0x1b3/0x550 [ 52.961341] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 52.966854] ? do_raw_spin_lock+0xd0/0x240 [ 52.971080] pty_write+0xf3/0x200 [ 52.974515] tty_put_char+0x10d/0x130 [ 52.978301] ? dev_match_devt+0x90/0x90 [ 52.982248] ? kasan_check_read+0x11/0x20 [ 52.986370] ? tty_buffer_space_avail+0x56/0xb0 [ 52.991024] ? pty_write_room+0x8f/0xb0 [ 52.994989] __process_echoes+0x311/0x790 [ 52.999126] n_tty_receive_buf_common+0x780/0x2bd0 [ 53.004820] n_tty_receive_buf+0xc/0x10 [ 53.008778] tty_ioctl+0x64e/0x12a0 [ 53.012377] ? tty_vhangup+0x20/0x20 [ 53.016062] ? avc_ss_reset+0x140/0x140 [ 53.020026] ? mark_held_locks+0x130/0x130 [ 53.024234] ? kasan_check_write+0x14/0x20 [ 53.028441] ? proc_fail_nth_write+0x13a/0x180 [ 53.032996] ? proc_cwd_link+0x1b0/0x1b0 [ 53.037029] ? __fdget_pos+0xa7/0xd0 [ 53.040720] ? __vfs_write+0xe6/0x890 [ 53.044490] ? __fdget_pos+0xa7/0xd0 [ 53.048178] do_vfs_ioctl+0x199/0x10d0 [ 53.052054] ? ioctl_preallocate+0x1c0/0x1c0 [ 53.056433] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.061167] ? __mutex_lock+0x412/0x1210 [ 53.065201] ? ksys_dup3+0x2e0/0x2e0 [ 53.068895] ? kasan_check_write+0x14/0x20 [ 53.073101] ? fput+0x18/0x120 [ 53.076266] ? security_file_ioctl+0x50/0x90 [ 53.080645] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.085393] ksys_ioctl+0x62/0x90 [ 53.088818] ? trace_hardirqs_off_caller+0x1d/0x180 [ 53.093806] __x64_sys_ioctl+0x6e/0xb0 [ 53.097670] do_syscall_64+0xd6/0x4e0 [ 53.101445] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.106607] RIP: 0033:0x458ca9 [ 53.109774] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.128653] RSP: 002b:00007f8aebf19c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.136333] RAX: ffffffffffffffda RBX: 00007f8aebf19c90 RCX: 0000000000458ca9 [ 53.143576] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.150827] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.158069] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8aebf1a6d4 [ 53.165311] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 53.172562] CPU: 1 PID: 7628 Comm: syz-executor.1 Not tainted 4.19.152-syzkaller #0 [ 53.180341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.189678] Call Trace: [ 53.192249] dump_stack+0x123/0x177 [ 53.195863] should_fail.cold.4+0x5/0x13 [ 53.199909] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 53.205000] ? mark_held_locks+0x130/0x130 [ 53.209226] __should_failslab+0xba/0xf0 [ 53.213274] should_failslab+0x9/0x14 [ 53.217062] __kmalloc+0x70/0x770 [ 53.220503] ? __tty_buffer_request_room+0x1b3/0x550 [ 53.225594] __tty_buffer_request_room+0x1b3/0x550 [ 53.230518] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 53.236038] ? do_raw_spin_lock+0xd0/0x240 [ 53.240266] pty_write+0xf3/0x200 [ 53.243715] tty_put_char+0x10d/0x130 [ 53.247505] ? dev_match_devt+0x90/0x90 [ 53.251469] ? kasan_check_read+0x11/0x20 [ 53.255608] ? tty_buffer_space_avail+0x56/0xb0 [ 53.260271] ? pty_write_room+0x8f/0xb0 [ 53.264239] __process_echoes+0x311/0x790 [ 53.268386] n_tty_receive_buf_common+0x780/0x2bd0 [ 53.273314] n_tty_receive_buf+0xc/0x10 [ 53.277284] tty_ioctl+0x64e/0x12a0 [ 53.280905] ? tty_vhangup+0x20/0x20 [ 53.284609] ? avc_ss_reset+0x140/0x140 [ 53.288575] ? mark_held_locks+0x130/0x130 [ 53.292801] ? kasan_check_write+0x14/0x20 [ 53.297025] ? proc_fail_nth_write+0x13a/0x180 [ 53.301595] ? proc_cwd_link+0x1b0/0x1b0 [ 53.305645] ? __fdget_pos+0xa7/0xd0 [ 53.309350] ? __vfs_write+0xe6/0x890 [ 53.313142] ? __fdget_pos+0xa7/0xd0 [ 53.316849] do_vfs_ioctl+0x199/0x10d0 [ 53.320728] ? ioctl_preallocate+0x1c0/0x1c0 [ 53.325123] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.329872] ? __mutex_lock+0x412/0x1210 [ 53.334007] ? ksys_dup3+0x2e0/0x2e0 [ 53.337706] ? kasan_check_write+0x14/0x20 [ 53.341938] ? fput+0x18/0x120 [ 53.345336] ? security_file_ioctl+0x50/0x90 [ 53.349730] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.354477] ksys_ioctl+0x62/0x90 [ 53.357928] ? trace_hardirqs_off_caller+0x1d/0x180 [ 53.362928] __x64_sys_ioctl+0x6e/0xb0 [ 53.366821] do_syscall_64+0xd6/0x4e0 [ 53.370613] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.375804] RIP: 0033:0x458ca9 [ 53.378985] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.397879] RSP: 002b:00007f8dfd7aec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.405570] RAX: ffffffffffffffda RBX: 00007f8dfd7aec90 RCX: 0000000000458ca9 [ 53.412825] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.420098] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.427351] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dfd7af6d4 [ 53.434602] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 53.537102] FAULT_INJECTION: forcing a failure. [ 53.537102] name failslab, interval 1, probability 0, space 0, times 0 [ 53.548313] CPU: 1 PID: 7687 Comm: syz-executor.1 Not tainted 4.19.152-syzkaller #0 [ 53.558362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.567704] Call Trace: [ 53.570285] dump_stack+0x123/0x177 [ 53.573910] should_fail.cold.4+0x5/0x13 [ 53.578071] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 53.583175] ? mark_held_locks+0x130/0x130 [ 53.587401] __should_failslab+0xba/0xf0 [ 53.591452] should_failslab+0x9/0x14 [ 53.595246] __kmalloc+0x70/0x770 [ 53.598689] ? __tty_buffer_request_room+0x1b3/0x550 [ 53.603788] __tty_buffer_request_room+0x1b3/0x550 [ 53.608709] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 53.614232] ? do_raw_spin_lock+0xd0/0x240 [ 53.618459] pty_write+0xf3/0x200 [ 53.621903] tty_put_char+0x10d/0x130 [ 53.625695] ? dev_match_devt+0x90/0x90 [ 53.629656] ? kasan_check_read+0x11/0x20 [ 53.633791] ? tty_buffer_space_avail+0x56/0xb0 [ 53.638452] ? pty_write_room+0x8f/0xb0 [ 53.642414] __process_echoes+0x311/0x790 [ 53.646552] n_tty_receive_buf_common+0x780/0x2bd0 [ 53.651479] n_tty_receive_buf+0xc/0x10 [ 53.655451] tty_ioctl+0x64e/0x12a0 [ 53.659070] ? tty_vhangup+0x20/0x20 [ 53.662772] ? avc_ss_reset+0x140/0x140 [ 53.666738] ? mark_held_locks+0x130/0x130 [ 53.670962] ? kasan_check_write+0x14/0x20 [ 53.675185] ? proc_fail_nth_write+0x13a/0x180 [ 53.679753] ? proc_cwd_link+0x1b0/0x1b0 [ 53.683806] ? __fdget_pos+0xa7/0xd0 [ 53.687511] ? __vfs_write+0xe6/0x890 [ 53.691301] ? __fdget_pos+0xa7/0xd0 [ 53.695005] do_vfs_ioctl+0x199/0x10d0 [ 53.698885] ? ioctl_preallocate+0x1c0/0x1c0 [ 53.703286] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.708033] ? __mutex_lock+0x412/0x1210 [ 53.712085] ? ksys_dup3+0x2e0/0x2e0 [ 53.715786] ? kasan_check_write+0x14/0x20 [ 53.720009] ? fput+0x18/0x120 [ 53.723187] ? security_file_ioctl+0x50/0x90 [ 53.727586] ? selinux_file_mprotect+0x5f0/0x5f0 [ 53.732350] ksys_ioctl+0x62/0x90 [ 53.735788] ? trace_hardirqs_off_caller+0x1d/0x180 [ 53.740794] __x64_sys_ioctl+0x6e/0xb0 [ 53.744668] do_syscall_64+0xd6/0x4e0 [ 53.748460] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 53.753622] RIP: 0033:0x458ca9 [ 53.756784] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 53.775660] RSP: 002b:00007f8dfd7aec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.783341] RAX: ffffffffffffffda RBX: 00007f8dfd7aec90 RCX: 0000000000458ca9 [ 53.790605] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.797867] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.805109] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dfd7af6d4 [ 53.812461] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 53.836401] FAULT_INJECTION: forcing a failure. [ 53.836401] name failslab, interval 1, probability 0, space 0, times 0 [ 53.847584] CPU: 1 PID: 7724 Comm: syz-executor.2 Not tainted 4.19.152-syzkaller #0 [ 53.855368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.864701] Call Trace: [ 53.867280] dump_stack+0x123/0x177 [ 53.870901] should_fail.cold.4+0x5/0x13 [ 53.875129] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 53.880226] ? mark_held_locks+0x130/0x130 [ 53.884456] __should_failslab+0xba/0xf0 [ 53.888512] should_failslab+0x9/0x14 [ 53.892303] __kmalloc+0x70/0x770 [ 53.895755] ? __tty_buffer_request_room+0x1b3/0x550 [ 53.900850] __tty_buffer_request_room+0x1b3/0x550 [ 53.905768] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 53.911294] ? do_raw_spin_lock+0xd0/0x240 [ 53.915524] pty_write+0xf3/0x200 [ 53.918982] tty_put_char+0x10d/0x130 [ 53.922773] ? dev_match_devt+0x90/0x90 [ 53.926745] ? kasan_check_read+0x11/0x20 [ 53.930879] ? tty_buffer_space_avail+0x56/0xb0 [ 53.935639] ? pty_write_room+0x8f/0xb0 [ 53.939611] __process_echoes+0x311/0x790 [ 53.943750] n_tty_receive_buf_common+0x780/0x2bd0 [ 53.948673] n_tty_receive_buf+0xc/0x10 [ 53.952642] tty_ioctl+0x64e/0x12a0 [ 53.956256] ? tty_vhangup+0x20/0x20 [ 53.959955] ? avc_ss_reset+0x140/0x140 [ 53.963919] ? mark_held_locks+0x130/0x130 [ 53.968141] ? kasan_check_write+0x14/0x20 [ 53.972367] ? proc_fail_nth_write+0x13a/0x180 [ 53.976939] ? proc_cwd_link+0x1b0/0x1b0 [ 53.980993] ? __fdget_pos+0xa7/0xd0 [ 53.984699] ? __vfs_write+0xe6/0x890 [ 53.988487] ? __fdget_pos+0xa7/0xd0 [ 53.992198] do_vfs_ioctl+0x199/0x10d0 [ 53.996079] ? ioctl_preallocate+0x1c0/0x1c0 [ 54.000475] ? selinux_file_mprotect+0x5f0/0x5f0 [ 54.005219] ? __mutex_lock+0x412/0x1210 [ 54.009269] ? ksys_dup3+0x2e0/0x2e0 [ 54.012971] ? kasan_check_write+0x14/0x20 [ 54.017193] ? fput+0x18/0x120 [ 54.020376] ? security_file_ioctl+0x50/0x90 [ 54.024773] ? selinux_file_mprotect+0x5f0/0x5f0 [ 54.029513] ksys_ioctl+0x62/0x90 [ 54.032952] ? trace_hardirqs_off_caller+0x1d/0x180 [ 54.037960] __x64_sys_ioctl+0x6e/0xb0 [ 54.041837] do_syscall_64+0xd6/0x4e0 [ 54.045628] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.050804] RIP: 0033:0x458ca9 [ 54.053981] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.072868] RSP: 002b:00007fd5ff57cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.080560] RAX: ffffffffffffffda RBX: 00007fd5ff57cc90 RCX: 0000000000458ca9 [ 54.087820] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.095076] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.102327] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5ff57d6d4 [ 54.109575] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 54.195721] FAULT_INJECTION: forcing a failure. [ 54.195721] name failslab, interval 1, probability 0, space 0, times 0 [ 54.206917] CPU: 0 PID: 7797 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 [ 54.214695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.224035] Call Trace: [ 54.226615] dump_stack+0x123/0x177 [ 54.230239] should_fail.cold.4+0x5/0x13 [ 54.234284] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 54.239377] ? mark_held_locks+0x130/0x130 [ 54.243653] __should_failslab+0xba/0xf0 [ 54.247700] should_failslab+0x9/0x14 [ 54.251485] __kmalloc+0x70/0x770 [ 54.254932] ? __tty_buffer_request_room+0x1b3/0x550 [ 54.260015] __tty_buffer_request_room+0x1b3/0x550 [ 54.264934] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 54.270484] ? do_raw_spin_lock+0xd0/0x240 [ 54.274713] pty_write+0xf3/0x200 [ 54.278158] tty_put_char+0x10d/0x130 [ 54.281955] ? dev_match_devt+0x90/0x90 [ 54.285912] ? kasan_check_read+0x11/0x20 [ 54.290045] ? tty_buffer_space_avail+0x56/0xb0 [ 54.294702] ? pty_write_room+0x8f/0xb0 [ 54.298665] __process_echoes+0x311/0x790 [ 54.302805] n_tty_receive_buf_common+0x780/0x2bd0 [ 54.307731] n_tty_receive_buf+0xc/0x10 [ 54.311693] tty_ioctl+0x64e/0x12a0 [ 54.315311] ? tty_vhangup+0x20/0x20 [ 54.319012] ? avc_ss_reset+0x140/0x140 [ 54.322981] ? mark_held_locks+0x130/0x130 [ 54.327207] ? kasan_check_write+0x14/0x20 [ 54.331431] ? proc_fail_nth_write+0x13a/0x180 [ 54.336037] ? proc_cwd_link+0x1b0/0x1b0 [ 54.340095] ? __fdget_pos+0xa7/0xd0 [ 54.343816] ? __vfs_write+0xe6/0x890 [ 54.347623] ? __fdget_pos+0xa7/0xd0 [ 54.351327] do_vfs_ioctl+0x199/0x10d0 [ 54.355204] ? ioctl_preallocate+0x1c0/0x1c0 [ 54.359608] ? selinux_file_mprotect+0x5f0/0x5f0 [ 54.364352] ? __mutex_lock+0x412/0x1210 [ 54.368405] ? ksys_dup3+0x2e0/0x2e0 [ 54.372107] ? kasan_check_write+0x14/0x20 [ 54.376326] ? fput+0x18/0x120 [ 54.379507] ? security_file_ioctl+0x50/0x90 [ 54.383903] ? selinux_file_mprotect+0x5f0/0x5f0 [ 54.388650] ksys_ioctl+0x62/0x90 [ 54.392089] ? trace_hardirqs_off_caller+0x1d/0x180 [ 54.397095] __x64_sys_ioctl+0x6e/0xb0 [ 54.400975] do_syscall_64+0xd6/0x4e0 [ 54.404769] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.409948] RIP: 0033:0x458ca9 [ 54.413129] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.432187] RSP: 002b:00007f584742fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.439865] RAX: ffffffffffffffda RBX: 00007f584742fc90 RCX: 0000000000458ca9 [ 54.447112] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.454359] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.461601] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f58474306d4 [ 54.468861] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 54.617093] FAULT_INJECTION: forcing a failure. [ 54.617093] name failslab, interval 1, probability 0, space 0, times 0 [ 54.628300] CPU: 0 PID: 7887 Comm: syz-executor.5 Not tainted 4.19.152-syzkaller #0 [ 54.636093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.645436] Call Trace: [ 54.648018] dump_stack+0x123/0x177 [ 54.651636] should_fail.cold.4+0x5/0x13 [ 54.655684] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 54.660779] ? mark_held_locks+0x130/0x130 2020/10/26 01:47:08 executed programs: 265 [ 54.665004] __should_failslab+0xba/0xf0 [ 54.669054] should_failslab+0x9/0x14 [ 54.672847] __kmalloc+0x70/0x770 [ 54.676312] ? __tty_buffer_request_room+0x1b3/0x550 [ 54.681399] __tty_buffer_request_room+0x1b3/0x550 [ 54.686321] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 54.691851] ? do_raw_spin_lock+0xd0/0x240 [ 54.696074] pty_write+0xf3/0x200 [ 54.699517] tty_put_char+0x10d/0x130 [ 54.703306] ? dev_match_devt+0x90/0x90 [ 54.707268] ? kasan_check_read+0x11/0x20 [ 54.711406] ? tty_buffer_space_avail+0x56/0xb0 [ 54.716065] ? pty_write_room+0x8f/0xb0 [ 54.720028] __process_echoes+0x311/0x790 [ 54.724170] n_tty_receive_buf_common+0x780/0x2bd0 [ 54.729096] n_tty_receive_buf+0xc/0x10 [ 54.733081] tty_ioctl+0x64e/0x12a0 [ 54.736703] ? tty_vhangup+0x20/0x20 [ 54.740405] ? avc_ss_reset+0x140/0x140 [ 54.744370] ? mark_held_locks+0x130/0x130 [ 54.748591] ? kasan_check_write+0x14/0x20 [ 54.752815] ? proc_fail_nth_write+0x13a/0x180 [ 54.757386] ? proc_cwd_link+0x1b0/0x1b0 [ 54.761438] ? __fdget_pos+0xa7/0xd0 [ 54.765143] ? __vfs_write+0xe6/0x890 [ 54.768932] ? __fdget_pos+0xa7/0xd0 [ 54.772640] do_vfs_ioctl+0x199/0x10d0 [ 54.776516] ? ioctl_preallocate+0x1c0/0x1c0 [ 54.780912] ? selinux_file_mprotect+0x5f0/0x5f0 [ 54.785681] ? __mutex_lock+0x412/0x1210 [ 54.789731] ? ksys_dup3+0x2e0/0x2e0 [ 54.793432] ? kasan_check_write+0x14/0x20 [ 54.797656] ? fput+0x18/0x120 [ 54.800836] ? security_file_ioctl+0x50/0x90 [ 54.805229] ? selinux_file_mprotect+0x5f0/0x5f0 [ 54.809970] ksys_ioctl+0x62/0x90 [ 54.813426] ? trace_hardirqs_off_caller+0x1d/0x180 [ 54.818428] __x64_sys_ioctl+0x6e/0xb0 [ 54.822302] do_syscall_64+0xd6/0x4e0 [ 54.826107] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 54.831282] RIP: 0033:0x458ca9 [ 54.834460] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 54.853347] RSP: 002b:00007f3360fbdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.861050] RAX: ffffffffffffffda RBX: 00007f3360fbdc90 RCX: 0000000000458ca9 [ 54.868313] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.875574] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.882874] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3360fbe6d4 [ 54.890126] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 54.953749] FAULT_INJECTION: forcing a failure. [ 54.953749] name failslab, interval 1, probability 0, space 0, times 0 [ 54.958527] FAULT_INJECTION: forcing a failure. [ 54.958527] name failslab, interval 1, probability 0, space 0, times 0 [ 54.964996] CPU: 0 PID: 7945 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 [ 54.983934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.993267] Call Trace: [ 54.995832] dump_stack+0x123/0x177 [ 54.999436] should_fail.cold.4+0x5/0x13 [ 55.003488] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.008591] ? mark_held_locks+0x130/0x130 [ 55.012805] __should_failslab+0xba/0xf0 [ 55.016838] should_failslab+0x9/0x14 [ 55.020614] __kmalloc+0x70/0x770 [ 55.024042] ? __tty_buffer_request_room+0x1b3/0x550 [ 55.029140] __tty_buffer_request_room+0x1b3/0x550 [ 55.034043] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 55.039558] ? do_raw_spin_lock+0xd0/0x240 [ 55.043878] pty_write+0xf3/0x200 [ 55.047305] tty_put_char+0x10d/0x130 [ 55.051082] ? dev_match_devt+0x90/0x90 [ 55.055027] ? kasan_check_read+0x11/0x20 [ 55.059148] ? tty_buffer_space_avail+0x56/0xb0 [ 55.063792] ? pty_write_room+0x8f/0xb0 [ 55.067743] __process_echoes+0x311/0x790 [ 55.071868] n_tty_receive_buf_common+0x780/0x2bd0 [ 55.076778] n_tty_receive_buf+0xc/0x10 [ 55.080727] tty_ioctl+0x64e/0x12a0 [ 55.084343] ? tty_vhangup+0x20/0x20 [ 55.088029] ? avc_ss_reset+0x140/0x140 [ 55.092053] ? mark_held_locks+0x130/0x130 [ 55.096259] ? kasan_check_write+0x14/0x20 [ 55.100466] ? proc_fail_nth_write+0x13a/0x180 [ 55.105019] ? proc_cwd_link+0x1b0/0x1b0 [ 55.109053] ? __fdget_pos+0xa7/0xd0 [ 55.112743] ? __vfs_write+0xe6/0x890 [ 55.116515] ? __fdget_pos+0xa7/0xd0 [ 55.120220] do_vfs_ioctl+0x199/0x10d0 [ 55.124082] ? ioctl_preallocate+0x1c0/0x1c0 [ 55.128566] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.133297] ? __mutex_lock+0x412/0x1210 [ 55.137341] ? ksys_dup3+0x2e0/0x2e0 [ 55.141028] ? kasan_check_write+0x14/0x20 [ 55.145251] ? fput+0x18/0x120 [ 55.148419] ? security_file_ioctl+0x50/0x90 [ 55.152801] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.157535] ksys_ioctl+0x62/0x90 [ 55.160961] ? trace_hardirqs_off_caller+0x1d/0x180 [ 55.165966] __x64_sys_ioctl+0x6e/0xb0 [ 55.169828] do_syscall_64+0xd6/0x4e0 [ 55.173606] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.178776] RIP: 0033:0x458ca9 [ 55.181943] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.200822] RSP: 002b:00007f584742fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.208529] RAX: ffffffffffffffda RBX: 00007f584742fc90 RCX: 0000000000458ca9 [ 55.215774] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.223018] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.230262] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f58474306d4 [ 55.237506] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 55.244770] CPU: 1 PID: 7940 Comm: syz-executor.5 Not tainted 4.19.152-syzkaller #0 [ 55.252548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.261884] Call Trace: [ 55.264463] dump_stack+0x123/0x177 [ 55.268083] should_fail.cold.4+0x5/0x13 [ 55.272132] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.277226] ? mark_held_locks+0x130/0x130 [ 55.281460] __should_failslab+0xba/0xf0 [ 55.285509] should_failslab+0x9/0x14 [ 55.289298] __kmalloc+0x70/0x770 [ 55.292739] ? set_next_entity+0x251/0x890 [ 55.296965] ? __tty_buffer_request_room+0x1b3/0x550 [ 55.302055] __tty_buffer_request_room+0x1b3/0x550 [ 55.306972] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 55.312505] ? do_raw_spin_lock+0xd0/0x240 [ 55.316732] pty_write+0xf3/0x200 [ 55.320177] tty_put_char+0x10d/0x130 [ 55.323965] ? dev_match_devt+0x90/0x90 [ 55.327926] ? kasan_check_read+0x11/0x20 [ 55.332062] ? tty_buffer_space_avail+0x56/0xb0 [ 55.336725] ? pty_write_room+0x8f/0xb0 [ 55.340687] __process_echoes+0x311/0x790 [ 55.344835] n_tty_receive_buf_common+0x780/0x2bd0 [ 55.349759] n_tty_receive_buf+0xc/0x10 [ 55.353722] tty_ioctl+0x64e/0x12a0 [ 55.357341] ? tty_vhangup+0x20/0x20 [ 55.361047] ? avc_ss_reset+0x140/0x140 [ 55.365015] ? mark_held_locks+0x130/0x130 [ 55.369237] ? kasan_check_write+0x14/0x20 [ 55.373461] ? proc_fail_nth_write+0x13a/0x180 [ 55.378032] ? proc_cwd_link+0x1b0/0x1b0 [ 55.382082] ? __fdget_pos+0xa7/0xd0 [ 55.385787] ? __vfs_write+0xe6/0x890 [ 55.389604] ? __fdget_pos+0xa7/0xd0 [ 55.393309] do_vfs_ioctl+0x199/0x10d0 [ 55.397186] ? ioctl_preallocate+0x1c0/0x1c0 [ 55.401583] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.406326] ? __mutex_lock+0x412/0x1210 [ 55.410365] ? ksys_dup3+0x2e0/0x2e0 [ 55.414050] ? kasan_check_write+0x14/0x20 [ 55.418296] ? fput+0x18/0x120 [ 55.421461] ? security_file_ioctl+0x50/0x90 [ 55.425839] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.430571] ksys_ioctl+0x62/0x90 [ 55.434016] ? trace_hardirqs_off_caller+0x1d/0x180 [ 55.439006] __x64_sys_ioctl+0x6e/0xb0 [ 55.442869] do_syscall_64+0xd6/0x4e0 [ 55.446647] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.451810] RIP: 0033:0x458ca9 [ 55.454981] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.473856] RSP: 002b:00007f3360fbdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.481559] RAX: ffffffffffffffda RBX: 00007f3360fbdc90 RCX: 0000000000458ca9 [ 55.488804] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.496046] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.503319] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3360fbe6d4 [ 55.510564] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 55.595008] FAULT_INJECTION: forcing a failure. [ 55.595008] name failslab, interval 1, probability 0, space 0, times 0 [ 55.606206] CPU: 1 PID: 7993 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 55.606726] FAULT_INJECTION: forcing a failure. [ 55.606726] name failslab, interval 1, probability 0, space 0, times 0 [ 55.613975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.634456] Call Trace: [ 55.637021] dump_stack+0x123/0x177 [ 55.640628] should_fail.cold.4+0x5/0x13 [ 55.644663] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.649758] ? mark_held_locks+0x130/0x130 [ 55.653968] __should_failslab+0xba/0xf0 [ 55.658002] should_failslab+0x9/0x14 [ 55.661776] __kmalloc+0x70/0x770 [ 55.665204] ? __tty_buffer_request_room+0x1b3/0x550 [ 55.670282] __tty_buffer_request_room+0x1b3/0x550 [ 55.675200] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 55.680715] ? do_raw_spin_lock+0xd0/0x240 [ 55.684925] pty_write+0xf3/0x200 [ 55.688358] tty_put_char+0x10d/0x130 [ 55.692133] ? dev_match_devt+0x90/0x90 [ 55.696079] ? kasan_check_read+0x11/0x20 [ 55.700197] ? tty_buffer_space_avail+0x56/0xb0 [ 55.704839] ? pty_write_room+0x8f/0xb0 [ 55.708788] __process_echoes+0x311/0x790 [ 55.712910] n_tty_receive_buf_common+0x780/0x2bd0 [ 55.717817] n_tty_receive_buf+0xc/0x10 [ 55.721765] tty_ioctl+0x64e/0x12a0 [ 55.725366] ? tty_vhangup+0x20/0x20 [ 55.729057] ? avc_ss_reset+0x140/0x140 [ 55.733005] ? mark_held_locks+0x130/0x130 [ 55.741133] ? kasan_check_write+0x14/0x20 [ 55.745344] ? proc_fail_nth_write+0x13a/0x180 [ 55.749900] ? proc_cwd_link+0x1b0/0x1b0 [ 55.753935] ? __fdget_pos+0xa7/0xd0 [ 55.757625] ? __vfs_write+0xe6/0x890 [ 55.761398] ? __fdget_pos+0xa7/0xd0 [ 55.765102] do_vfs_ioctl+0x199/0x10d0 [ 55.768966] ? ioctl_preallocate+0x1c0/0x1c0 [ 55.773365] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.778107] ? __mutex_lock+0x412/0x1210 [ 55.782143] ? ksys_dup3+0x2e0/0x2e0 [ 55.785828] ? kasan_check_write+0x14/0x20 [ 55.790035] ? fput+0x18/0x120 [ 55.793201] ? security_file_ioctl+0x50/0x90 [ 55.797605] ? selinux_file_mprotect+0x5f0/0x5f0 [ 55.802335] ksys_ioctl+0x62/0x90 [ 55.805762] ? trace_hardirqs_off_caller+0x1d/0x180 [ 55.810777] __x64_sys_ioctl+0x6e/0xb0 [ 55.814639] do_syscall_64+0xd6/0x4e0 [ 55.818412] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.823576] RIP: 0033:0x458ca9 [ 55.826743] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 55.845623] RSP: 002b:00007f453e993c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.853303] RAX: ffffffffffffffda RBX: 00007f453e993c90 RCX: 0000000000458ca9 [ 55.860547] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.867809] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.875063] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f453e9946d4 [ 55.882311] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 55.889570] CPU: 0 PID: 7992 Comm: syz-executor.1 Not tainted 4.19.152-syzkaller #0 [ 55.897354] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.906625] FAULT_INJECTION: forcing a failure. [ 55.906625] name failslab, interval 1, probability 0, space 0, times 0 [ 55.906691] Call Trace: [ 55.920422] dump_stack+0x123/0x177 [ 55.924045] should_fail.cold.4+0x5/0x13 [ 55.928080] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 55.933159] ? mark_held_locks+0x130/0x130 [ 55.937371] __should_failslab+0xba/0xf0 [ 55.941405] should_failslab+0x9/0x14 [ 55.945195] __kmalloc+0x70/0x770 [ 55.948623] ? __tty_buffer_request_room+0x1b3/0x550 [ 55.953698] __tty_buffer_request_room+0x1b3/0x550 [ 55.958617] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 55.964139] ? do_raw_spin_lock+0xd0/0x240 [ 55.968351] pty_write+0xf3/0x200 [ 55.971795] tty_put_char+0x10d/0x130 [ 55.975586] ? dev_match_devt+0x90/0x90 [ 55.979535] ? kasan_check_read+0x11/0x20 [ 55.983655] ? tty_buffer_space_avail+0x56/0xb0 [ 55.988298] ? pty_write_room+0x8f/0xb0 [ 55.992247] __process_echoes+0x311/0x790 [ 55.996370] n_tty_receive_buf_common+0x780/0x2bd0 [ 56.001295] n_tty_receive_buf+0xc/0x10 [ 56.005244] tty_ioctl+0x64e/0x12a0 [ 56.008857] ? tty_vhangup+0x20/0x20 [ 56.012546] ? avc_ss_reset+0x140/0x140 [ 56.016508] ? mark_held_locks+0x130/0x130 [ 56.020734] ? kasan_check_write+0x14/0x20 [ 56.024975] ? proc_fail_nth_write+0x13a/0x180 [ 56.029528] ? proc_cwd_link+0x1b0/0x1b0 [ 56.033561] ? __fdget_pos+0xa7/0xd0 [ 56.037264] ? __vfs_write+0xe6/0x890 [ 56.041038] ? __fdget_pos+0xa7/0xd0 [ 56.044744] do_vfs_ioctl+0x199/0x10d0 [ 56.048628] ? ioctl_preallocate+0x1c0/0x1c0 [ 56.053026] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.057756] ? __mutex_lock+0x412/0x1210 [ 56.061791] ? ksys_dup3+0x2e0/0x2e0 [ 56.065493] ? kasan_check_write+0x14/0x20 [ 56.069701] ? fput+0x18/0x120 [ 56.072870] ? security_file_ioctl+0x50/0x90 [ 56.077249] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.081992] ksys_ioctl+0x62/0x90 [ 56.085421] ? trace_hardirqs_off_caller+0x1d/0x180 [ 56.090411] __x64_sys_ioctl+0x6e/0xb0 [ 56.094286] do_syscall_64+0xd6/0x4e0 [ 56.098080] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.103243] RIP: 0033:0x458ca9 [ 56.106411] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.125304] RSP: 002b:00007f8dfd7aec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.132999] RAX: ffffffffffffffda RBX: 00007f8dfd7aec90 RCX: 0000000000458ca9 [ 56.140243] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.147488] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.154736] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8dfd7af6d4 [ 56.161990] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 56.169241] CPU: 1 PID: 8001 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 [ 56.177023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.186359] Call Trace: [ 56.188966] dump_stack+0x123/0x177 [ 56.192583] should_fail.cold.4+0x5/0x13 [ 56.196639] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 56.201735] ? mark_held_locks+0x130/0x130 [ 56.205964] __should_failslab+0xba/0xf0 [ 56.210024] should_failslab+0x9/0x14 [ 56.213830] __kmalloc+0x70/0x770 [ 56.217274] ? __tty_buffer_request_room+0x1b3/0x550 [ 56.222373] __tty_buffer_request_room+0x1b3/0x550 [ 56.227294] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 56.232826] ? do_raw_spin_lock+0xd0/0x240 [ 56.237051] pty_write+0xf3/0x200 [ 56.240493] tty_put_char+0x10d/0x130 [ 56.244281] ? dev_match_devt+0x90/0x90 [ 56.248240] ? kasan_check_read+0x11/0x20 [ 56.252376] ? tty_buffer_space_avail+0x56/0xb0 [ 56.257036] ? pty_write_room+0x8f/0xb0 [ 56.261004] __process_echoes+0x311/0x790 [ 56.265142] n_tty_receive_buf_common+0x780/0x2bd0 [ 56.270067] n_tty_receive_buf+0xc/0x10 [ 56.274030] tty_ioctl+0x64e/0x12a0 [ 56.277647] ? tty_vhangup+0x20/0x20 [ 56.281352] ? avc_ss_reset+0x140/0x140 [ 56.285317] ? mark_held_locks+0x130/0x130 [ 56.289539] ? kasan_check_write+0x14/0x20 [ 56.293764] ? proc_fail_nth_write+0x13a/0x180 [ 56.298332] ? proc_cwd_link+0x1b0/0x1b0 [ 56.302382] ? __fdget_pos+0xa7/0xd0 [ 56.306088] ? __vfs_write+0xe6/0x890 [ 56.309877] ? __fdget_pos+0xa7/0xd0 [ 56.313585] do_vfs_ioctl+0x199/0x10d0 [ 56.317465] ? ioctl_preallocate+0x1c0/0x1c0 [ 56.321865] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.326616] ? __mutex_lock+0x412/0x1210 [ 56.330662] ? ksys_dup3+0x2e0/0x2e0 [ 56.334349] ? kasan_check_write+0x14/0x20 [ 56.338558] ? fput+0x18/0x120 [ 56.341725] ? security_file_ioctl+0x50/0x90 [ 56.346105] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.350833] ksys_ioctl+0x62/0x90 [ 56.354260] ? trace_hardirqs_off_caller+0x1d/0x180 [ 56.359245] __x64_sys_ioctl+0x6e/0xb0 [ 56.363103] do_syscall_64+0xd6/0x4e0 [ 56.366876] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.372055] RIP: 0033:0x458ca9 [ 56.375220] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.394092] RSP: 002b:00007f584742fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.401769] RAX: ffffffffffffffda RBX: 00007f584742fc90 RCX: 0000000000458ca9 [ 56.409010] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.416253] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.423497] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f58474306d4 [ 56.430739] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 56.725506] FAULT_INJECTION: forcing a failure. [ 56.725506] name failslab, interval 1, probability 0, space 0, times 0 [ 56.736717] CPU: 1 PID: 8133 Comm: syz-executor.0 Not tainted 4.19.152-syzkaller #0 [ 56.744523] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.744718] FAULT_INJECTION: forcing a failure. [ 56.744718] name failslab, interval 1, probability 0, space 0, times 0 [ 56.753865] Call Trace: [ 56.767603] dump_stack+0x123/0x177 [ 56.771207] should_fail.cold.4+0x5/0x13 [ 56.775242] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 56.780326] ? mark_held_locks+0x130/0x130 [ 56.784532] __should_failslab+0xba/0xf0 [ 56.788582] should_failslab+0x9/0x14 [ 56.792359] __kmalloc+0x70/0x770 [ 56.795797] ? __tty_buffer_request_room+0x1b3/0x550 [ 56.800876] __tty_buffer_request_room+0x1b3/0x550 [ 56.805778] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 56.811286] ? do_raw_spin_lock+0xd0/0x240 [ 56.815498] pty_write+0xf3/0x200 [ 56.818927] tty_put_char+0x10d/0x130 [ 56.822715] ? dev_match_devt+0x90/0x90 [ 56.826660] ? kasan_check_read+0x11/0x20 [ 56.830785] ? tty_buffer_space_avail+0x56/0xb0 [ 56.835431] ? pty_write_room+0x8f/0xb0 [ 56.839381] __process_echoes+0x311/0x790 [ 56.843506] n_tty_receive_buf_common+0x780/0x2bd0 [ 56.848416] n_tty_receive_buf+0xc/0x10 [ 56.852366] tty_ioctl+0x64e/0x12a0 [ 56.855981] ? tty_vhangup+0x20/0x20 [ 56.859678] ? avc_ss_reset+0x140/0x140 [ 56.863627] ? mark_held_locks+0x130/0x130 [ 56.867840] ? kasan_check_write+0x14/0x20 [ 56.872049] ? proc_fail_nth_write+0x13a/0x180 [ 56.876604] ? proc_cwd_link+0x1b0/0x1b0 [ 56.880656] ? __fdget_pos+0xa7/0xd0 [ 56.884353] ? __vfs_write+0xe6/0x890 [ 56.888141] ? __fdget_pos+0xa7/0xd0 [ 56.891834] do_vfs_ioctl+0x199/0x10d0 [ 56.895697] ? ioctl_preallocate+0x1c0/0x1c0 [ 56.900093] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.904824] ? __mutex_lock+0x412/0x1210 [ 56.908861] ? ksys_dup3+0x2e0/0x2e0 [ 56.912549] ? kasan_check_write+0x14/0x20 [ 56.916757] ? fput+0x18/0x120 [ 56.919923] ? security_file_ioctl+0x50/0x90 [ 56.924303] ? selinux_file_mprotect+0x5f0/0x5f0 [ 56.929038] ksys_ioctl+0x62/0x90 [ 56.932467] ? trace_hardirqs_off_caller+0x1d/0x180 [ 56.937475] __x64_sys_ioctl+0x6e/0xb0 [ 56.941337] do_syscall_64+0xd6/0x4e0 [ 56.945371] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 56.950548] RIP: 0033:0x458ca9 [ 56.953713] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 56.972588] RSP: 002b:00007f453e993c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.980268] RAX: ffffffffffffffda RBX: 00007f453e993c90 RCX: 0000000000458ca9 [ 56.987511] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.994757] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.002000] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f453e9946d4 [ 57.009259] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 57.016539] CPU: 0 PID: 8138 Comm: syz-executor.3 Not tainted 4.19.152-syzkaller #0 [ 57.024320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.033653] Call Trace: [ 57.036224] dump_stack+0x123/0x177 [ 57.039837] should_fail.cold.4+0x5/0x13 [ 57.043906] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.049002] ? mark_held_locks+0x130/0x130 [ 57.053228] __should_failslab+0xba/0xf0 [ 57.057277] should_failslab+0x9/0x14 [ 57.061065] __kmalloc+0x70/0x770 [ 57.064509] ? __tty_buffer_request_room+0x1b3/0x550 [ 57.069607] __tty_buffer_request_room+0x1b3/0x550 [ 57.074529] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 57.080059] ? do_raw_spin_lock+0xd0/0x240 [ 57.084283] pty_write+0xf3/0x200 [ 57.087727] tty_put_char+0x10d/0x130 [ 57.091524] ? dev_match_devt+0x90/0x90 [ 57.095487] ? kasan_check_read+0x11/0x20 [ 57.099621] ? tty_buffer_space_avail+0x56/0xb0 [ 57.104281] ? pty_write_room+0x8f/0xb0 [ 57.108240] __process_echoes+0x311/0x790 [ 57.112383] n_tty_receive_buf_common+0x780/0x2bd0 [ 57.117331] n_tty_receive_buf+0xc/0x10 [ 57.121295] tty_ioctl+0x64e/0x12a0 [ 57.124914] ? tty_vhangup+0x20/0x20 [ 57.128617] ? avc_ss_reset+0x140/0x140 [ 57.132582] ? mark_held_locks+0x130/0x130 [ 57.136804] ? kasan_check_write+0x14/0x20 [ 57.141037] ? proc_fail_nth_write+0x13a/0x180 [ 57.145612] ? proc_cwd_link+0x1b0/0x1b0 [ 57.149660] ? __fdget_pos+0xa7/0xd0 [ 57.153377] ? __vfs_write+0xe6/0x890 [ 57.157172] ? __fdget_pos+0xa7/0xd0 [ 57.160878] do_vfs_ioctl+0x199/0x10d0 [ 57.164756] ? ioctl_preallocate+0x1c0/0x1c0 [ 57.169152] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.173900] ? __mutex_lock+0x412/0x1210 [ 57.177951] ? ksys_dup3+0x2e0/0x2e0 [ 57.181654] ? kasan_check_write+0x14/0x20 [ 57.185880] ? fput+0x18/0x120 [ 57.189071] ? security_file_ioctl+0x50/0x90 [ 57.193521] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.198257] ksys_ioctl+0x62/0x90 [ 57.201684] ? trace_hardirqs_off_caller+0x1d/0x180 [ 57.206674] __x64_sys_ioctl+0x6e/0xb0 [ 57.210533] do_syscall_64+0xd6/0x4e0 [ 57.214304] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.219464] RIP: 0033:0x458ca9 [ 57.222627] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.241501] RSP: 002b:00007f8aebf19c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.249198] RAX: ffffffffffffffda RBX: 00007f8aebf19c90 RCX: 0000000000458ca9 [ 57.256440] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 57.263686] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.270968] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8aebf1a6d4 [ 57.278214] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 57.303475] FAULT_INJECTION: forcing a failure. [ 57.303475] name failslab, interval 1, probability 0, space 0, times 0 [ 57.314660] CPU: 0 PID: 8164 Comm: syz-executor.2 Not tainted 4.19.152-syzkaller #0 [ 57.322435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.331775] Call Trace: [ 57.334363] dump_stack+0x123/0x177 [ 57.337981] should_fail.cold.4+0x5/0x13 [ 57.342137] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.347245] ? mark_held_locks+0x130/0x130 [ 57.351470] __should_failslab+0xba/0xf0 [ 57.355524] should_failslab+0x9/0x14 [ 57.359313] __kmalloc+0x70/0x770 [ 57.362760] ? __tty_buffer_request_room+0x1b3/0x550 [ 57.367855] __tty_buffer_request_room+0x1b3/0x550 [ 57.372779] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 57.378312] ? do_raw_spin_lock+0xd0/0x240 [ 57.382555] pty_write+0xf3/0x200 [ 57.386004] tty_put_char+0x10d/0x130 [ 57.389796] ? dev_match_devt+0x90/0x90 [ 57.393765] ? kasan_check_read+0x11/0x20 [ 57.397894] ? tty_buffer_space_avail+0x56/0xb0 [ 57.402546] ? pty_write_room+0x8f/0xb0 [ 57.406511] __process_echoes+0x311/0x790 [ 57.410654] n_tty_receive_buf_common+0x780/0x2bd0 [ 57.415575] n_tty_receive_buf+0xc/0x10 [ 57.419536] tty_ioctl+0x64e/0x12a0 [ 57.423153] ? tty_vhangup+0x20/0x20 [ 57.426859] ? avc_ss_reset+0x140/0x140 [ 57.430861] ? mark_held_locks+0x130/0x130 [ 57.435086] ? kasan_check_write+0x14/0x20 [ 57.439302] ? proc_fail_nth_write+0x13a/0x180 [ 57.443897] ? proc_cwd_link+0x1b0/0x1b0 [ 57.447939] ? __fdget_pos+0xa7/0xd0 [ 57.451648] ? __vfs_write+0xe6/0x890 [ 57.455442] ? __fdget_pos+0xa7/0xd0 [ 57.459144] do_vfs_ioctl+0x199/0x10d0 [ 57.463018] ? ioctl_preallocate+0x1c0/0x1c0 [ 57.467444] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.472189] ? __mutex_lock+0x412/0x1210 [ 57.476239] ? ksys_dup3+0x2e0/0x2e0 [ 57.479941] ? kasan_check_write+0x14/0x20 [ 57.484159] ? fput+0x18/0x120 [ 57.487468] ? security_file_ioctl+0x50/0x90 [ 57.491865] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.496613] ksys_ioctl+0x62/0x90 [ 57.500049] ? trace_hardirqs_off_caller+0x1d/0x180 [ 57.508351] __x64_sys_ioctl+0x6e/0xb0 [ 57.512224] do_syscall_64+0xd6/0x4e0 [ 57.516015] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 57.521183] RIP: 0033:0x458ca9 [ 57.524359] Code: 2d b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 fb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 57.543245] RSP: 002b:00007fd5ff57cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.550922] RAX: ffffffffffffffda RBX: 00007fd5ff57cc90 RCX: 0000000000458ca9 [ 57.558164] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 57.565404] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.572655] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd5ff57d6d4 [ 57.579915] R13: 00000000004c2e14 R14: 00000000004d5d18 R15: 0000000000000005 [ 57.636917] FAULT_INJECTION: forcing a failure. [ 57.636917] name failslab, interval 1, probability 0, space 0, times 0 [ 57.648112] CPU: 0 PID: 8222 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 [ 57.655889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.665238] Call Trace: [ 57.667819] dump_stack+0x123/0x177 [ 57.671436] should_fail.cold.4+0x5/0x13 [ 57.675483] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 57.680577] ? mark_held_locks+0x130/0x130 [ 57.684806] __should_failslab+0xba/0xf0 [ 57.688860] should_failslab+0x9/0x14 [ 57.692646] __kmalloc+0x70/0x770 [ 57.696088] ? __tty_buffer_request_room+0x1b3/0x550 [ 57.701179] __tty_buffer_request_room+0x1b3/0x550 [ 57.706096] tty_insert_flip_string_fixed_flag+0x78/0x200 [ 57.711622] ? do_raw_spin_lock+0xd0/0x240 [ 57.715851] pty_write+0xf3/0x200 [ 57.719299] tty_put_char+0x10d/0x130 [ 57.723085] ? dev_match_devt+0x90/0x90 [ 57.727042] ? kasan_check_read+0x11/0x20 [ 57.731176] ? tty_buffer_space_avail+0x56/0xb0 [ 57.735831] ? pty_write_room+0x8f/0xb0 [ 57.739807] __process_echoes+0x311/0x790 [ 57.743945] n_tty_receive_buf_common+0x780/0x2bd0 [ 57.748868] n_tty_receive_buf+0xc/0x10 [ 57.752833] tty_ioctl+0x64e/0x12a0 [ 57.756447] ? tty_vhangup+0x20/0x20 [ 57.760149] ? avc_ss_reset+0x140/0x140 [ 57.764119] ? mark_held_locks+0x130/0x130 [ 57.768348] ? kasan_check_write+0x14/0x20 [ 57.772574] ? proc_fail_nth_write+0x13a/0x180 [ 57.777248] ? proc_cwd_link+0x1b0/0x1b0 [ 57.781429] ? __fdget_pos+0xa7/0xd0 [ 57.785133] ? __vfs_write+0xe6/0x890 [ 57.788918] ? __fdget_pos+0xa7/0xd0 [ 57.792624] do_vfs_ioctl+0x199/0x10d0 [ 57.796503] ? ioctl_preallocate+0x1c0/0x1c0 [ 57.800902] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.805645] ? __mutex_lock+0x412/0x1210 [ 57.809695] ? ksys_dup3+0x2e0/0x2e0 [ 57.813412] ? kasan_check_write+0x14/0x20 [ 57.817632] ? fput+0x18/0x120 [ 57.820819] ? security_file_ioctl+0x50/0x90 [ 57.825210] ? selinux_file_mprotect+0x5f0/0x5f0 [ 57.829963] ksys_ioctl+0x62/0x90