Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts. 2020/03/30 05:33:20 parsed 1 programs 2020/03/30 05:33:20 executed programs: 0 [ 40.550781] audit: type=1400 audit(1585546400.322:10): avc: denied { execmem } for pid=6088 comm="syz-executor.2" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 40.890332] IPVS: ftp: loaded support on port[0] = 21 [ 41.628284] IPVS: ftp: loaded support on port[0] = 21 [ 41.672798] chnl_net:caif_netlink_parms(): no params data found [ 41.723558] IPVS: ftp: loaded support on port[0] = 21 [ 41.743543] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.753187] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.763560] device bridge_slave_0 entered promiscuous mode [ 41.805777] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.814543] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.824554] device bridge_slave_1 entered promiscuous mode [ 41.845936] chnl_net:caif_netlink_parms(): no params data found [ 41.871335] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 41.887523] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 41.927360] IPVS: ftp: loaded support on port[0] = 21 [ 41.931267] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 41.942513] team0: Port device team_slave_0 added [ 41.952160] bridge0: port 1(bridge_slave_0) entered blocking state [ 41.959028] bridge0: port 1(bridge_slave_0) entered disabled state [ 41.966889] device bridge_slave_0 entered promiscuous mode [ 41.977717] bridge0: port 2(bridge_slave_1) entered blocking state [ 41.985697] bridge0: port 2(bridge_slave_1) entered disabled state [ 41.995152] device bridge_slave_1 entered promiscuous mode [ 42.009923] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.019425] team0: Port device team_slave_1 added [ 42.026985] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.035657] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.058916] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.115594] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.161002] device hsr_slave_0 entered promiscuous mode [ 42.199008] device hsr_slave_1 entered promiscuous mode [ 42.241214] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.262446] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.271875] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.280508] team0: Port device team_slave_0 added [ 42.286502] chnl_net:caif_netlink_parms(): no params data found [ 42.309538] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.317112] team0: Port device team_slave_1 added [ 42.326269] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.345391] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.352778] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.360214] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.366825] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.375737] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.403037] IPVS: ftp: loaded support on port[0] = 21 [ 42.431251] device hsr_slave_0 entered promiscuous mode [ 42.449042] device hsr_slave_1 entered promiscuous mode [ 42.489278] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 42.511069] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.517811] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.526950] device bridge_slave_0 entered promiscuous mode [ 42.535681] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 42.550593] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.557613] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.566745] device bridge_slave_1 entered promiscuous mode [ 42.586865] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 42.599328] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 42.625159] bridge0: port 2(bridge_slave_1) entered blocking state [ 42.634145] bridge0: port 2(bridge_slave_1) entered forwarding state [ 42.642862] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.651001] bridge0: port 1(bridge_slave_0) entered forwarding state [ 42.723302] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 42.734182] team0: Port device team_slave_0 added [ 42.741756] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 42.749765] team0: Port device team_slave_1 added [ 42.755678] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 42.765007] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.774311] IPVS: ftp: loaded support on port[0] = 21 [ 42.784475] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.795655] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.805082] bridge0: port 2(bridge_slave_1) entered disabled state [ 42.822709] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 42.831667] chnl_net:caif_netlink_parms(): no params data found [ 42.887782] 8021q: adding VLAN 0 to HW filter on device bond0 [ 42.911454] device hsr_slave_0 entered promiscuous mode [ 42.948967] device hsr_slave_1 entered promiscuous mode [ 42.989237] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.032001] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.046239] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.066876] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.114294] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 43.124453] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.144619] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.156525] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.166176] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.174781] device bridge_slave_0 entered promiscuous mode [ 43.183017] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.190574] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.197837] device bridge_slave_1 entered promiscuous mode [ 43.206165] chnl_net:caif_netlink_parms(): no params data found [ 43.222902] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.234185] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.246270] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.253769] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.262382] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.284942] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.294354] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 43.302487] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 43.310333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.319156] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.327024] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.333666] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.347407] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 43.354607] 8021q: adding VLAN 0 to HW filter on device team0 [ 43.364423] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 43.393911] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.414685] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.422564] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 43.430723] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 43.438859] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.445635] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.452660] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.461081] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.469151] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.475744] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.484003] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 43.491605] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.497970] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.505612] device bridge_slave_0 entered promiscuous mode [ 43.514615] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.521802] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.529194] device bridge_slave_1 entered promiscuous mode [ 43.536221] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.547060] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.554933] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 43.563319] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 43.571591] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.578660] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.586321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.651444] chnl_net:caif_netlink_parms(): no params data found [ 43.664828] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 43.674935] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.691630] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.700258] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.714761] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 43.726428] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 43.734819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.743010] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 43.752575] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.762576] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.772185] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.779812] team0: Port device team_slave_0 added [ 43.785715] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.794331] team0: Port device team_slave_1 added [ 43.801560] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.809653] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.817349] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.832217] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.842433] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 43.852803] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.866202] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.880076] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.887329] team0: Port device team_slave_0 added [ 43.894943] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 43.903695] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 43.912821] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.920948] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 43.930616] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 43.943533] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.953448] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 43.960778] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.969277] team0: Port device team_slave_1 added [ 43.975233] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 43.982888] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 43.990663] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 43.998724] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.006354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.014343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.022728] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.030731] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.056392] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.064597] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.085094] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.092068] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.099782] device bridge_slave_0 entered promiscuous mode [ 44.106430] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.113401] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.121053] device bridge_slave_1 entered promiscuous mode [ 44.170424] device hsr_slave_0 entered promiscuous mode [ 44.208579] device hsr_slave_1 entered promiscuous mode [ 44.271150] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.279374] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.287292] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.296249] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.340306] device hsr_slave_0 entered promiscuous mode [ 44.378335] device hsr_slave_1 entered promiscuous mode [ 44.418933] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.426142] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.441161] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.448873] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.456852] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.465729] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.474551] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.484063] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.491337] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.499049] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.506932] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.516848] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.525190] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.542378] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.550629] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.560929] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 44.569120] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.576712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.586566] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.596499] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.605549] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.612598] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.621686] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.641828] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.650614] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.659341] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.666134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.673685] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.684112] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.693308] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.699658] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.712377] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.719771] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.727112] team0: Port device team_slave_0 added [ 44.733619] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.744260] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.767168] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.776884] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.785244] team0: Port device team_slave_1 added [ 44.791222] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.800658] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.808765] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.816656] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.825830] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.836248] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.850684] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.871381] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.881147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.889515] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.897126] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.907412] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.961063] device hsr_slave_0 entered promiscuous mode [ 44.998390] device hsr_slave_1 entered promiscuous mode [ 45.058554] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.065857] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.076962] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 45.084864] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 45.092962] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.103527] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.110187] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.120510] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.132446] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.143255] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.153303] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.176064] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.191497] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.204583] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.226152] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.252442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.270850] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.281594] FAULT_INJECTION: forcing a failure. [ 45.281594] name failslab, interval 1, probability 0, space 0, times 1 [ 45.294326] CPU: 0 PID: 6987 Comm: syz-executor.1 Not tainted 4.14.174-syzkaller #0 [ 45.302453] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.312169] Call Trace: [ 45.314908] dump_stack+0xf7/0x13b [ 45.318630] should_fail.cold.3+0x105/0x14b [ 45.323300] should_failslab+0xba/0xf0 [ 45.327284] __kmalloc+0x70/0x7b0 [ 45.330737] ? __lock_is_held+0xb5/0x140 [ 45.334951] ? __tty_buffer_request_room+0x191/0x620 [ 45.340171] ? n_tty_receive_buf_common+0x719/0x29a0 [ 45.345675] __tty_buffer_request_room+0x191/0x620 [ 45.350894] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 45.356489] pty_write+0xf3/0x200 [ 45.360008] tty_put_char+0xff/0x120 [ 45.363903] ? dev_match_devt+0x90/0x90 [ 45.368049] ? pty_write_room+0x8f/0xb0 [ 45.372108] __process_echoes+0x203/0x790 [ 45.376250] n_tty_receive_buf_common+0x75b/0x29a0 [ 45.381173] ? ldsem_wake+0x40/0x40 [ 45.384982] n_tty_receive_buf+0xc/0xe [ 45.389107] tty_ioctl+0x630/0x1270 [ 45.392743] ? avc_ss_reset+0xe0/0xe0 [ 45.396545] ? tty_vhangup+0x20/0x20 [ 45.400519] ? __lock_acquire+0x6bf/0x4500 [ 45.405111] ? get_pid_task+0x8b/0x100 [ 45.409177] ? trace_hardirqs_off+0x10/0x10 [ 45.413628] ? proc_cwd_link+0x1a0/0x1a0 [ 45.417789] ? __might_sleep+0x93/0xb0 [ 45.421715] do_vfs_ioctl+0x183/0xfc0 [ 45.425860] ? __fget+0x1ad/0x2f0 [ 45.429401] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.434151] ? __fget+0x1ca/0x2f0 [ 45.437825] ? security_file_ioctl+0x70/0xa0 [ 45.442239] ? selinux_file_mprotect+0x630/0x630 [ 45.447104] ? security_file_ioctl+0x70/0xa0 [ 45.451670] SyS_ioctl+0x74/0x80 [ 45.455038] ? do_vfs_ioctl+0xfc0/0xfc0 [ 45.459091] do_syscall_64+0x1c9/0x5b0 [ 45.463211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.468663] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.473941] RIP: 0033:0x458c29 [ 45.477897] RSP: 002b:00007fe29136ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.485878] RAX: ffffffffffffffda RBX: 00007fe29136ac90 RCX: 0000000000458c29 [ 45.493417] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 45.500681] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 45.508389] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe29136b6d4 [ 45.515939] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 45.523534] [ 45.523536] ====================================================== [ 45.523537] WARNING: possible circular locking dependency detected [ 45.523538] 4.14.174-syzkaller #0 Not tainted [ 45.523540] ------------------------------------------------------ [ 45.523541] syz-executor.1/6987 is trying to acquire lock: [ 45.523542] (console_owner){-...}, at: [] console_unlock+0x389/0xe30 [ 45.523546] [ 45.523547] but task is already holding lock: [ 45.523548] (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xbf/0x200 [ 45.523551] [ 45.523552] which lock already depends on the new lock. [ 45.523553] [ 45.523553] [ 45.523555] the existing dependency chain (in reverse order) is: [ 45.523555] [ 45.523556] -> #2 (&(&port->lock)->rlock){-.-.}: [ 45.523560] lock_acquire+0x173/0x400 [ 45.523561] _raw_spin_lock_irqsave+0x99/0xd0 [ 45.523562] tty_port_tty_get+0x1b/0x70 [ 45.523563] tty_port_default_wakeup+0xa/0x30 [ 45.523565] tty_port_tty_wakeup+0x58/0x70 [ 45.523566] uart_write_wakeup+0x37/0x50 [ 45.523567] serial8250_tx_chars+0x3eb/0xa00 [ 45.523568] serial8250_handle_irq.part.25+0x1c5/0x220 [ 45.523569] serial8250_default_handle_irq+0x82/0xe0 [ 45.523570] serial8250_interrupt+0xd8/0x170 [ 45.523571] __handle_irq_event_percpu+0x101/0x6c0 [ 45.523572] handle_irq_event_percpu+0x64/0x120 [ 45.523573] handle_irq_event+0xa2/0x130 [ 45.523574] handle_edge_irq+0x20b/0x790 [ 45.523575] handle_irq+0x231/0x306 [ 45.523576] do_IRQ+0x98/0x1d0 [ 45.523577] ret_from_intr+0x0/0x1e [ 45.523578] _raw_spin_unlock_irqrestore+0xaf/0xd0 [ 45.523579] uart_write+0x251/0x490 [ 45.523580] do_output_char+0x4f3/0x710 [ 45.523581] n_tty_write+0x52a/0x1050 [ 45.523582] tty_write+0x349/0x770 [ 45.523584] redirected_tty_write+0x8d/0xa0 [ 45.523585] do_iter_write+0x360/0x520 [ 45.523586] vfs_writev+0x145/0x2a0 [ 45.523587] do_writev+0x10d/0x320 [ 45.523588] SyS_writev+0xb/0x10 [ 45.523590] do_syscall_64+0x1c9/0x5b0 [ 45.523591] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.523592] [ 45.523592] -> #1 (&port_lock_key){-.-.}: [ 45.523596] lock_acquire+0x173/0x400 [ 45.523597] _raw_spin_lock_irqsave+0x99/0xd0 [ 45.523598] serial8250_console_write+0x6c2/0x880 [ 45.523599] univ8250_console_write+0x4e/0x70 [ 45.523600] console_unlock+0x8ca/0xe30 [ 45.523601] vprintk_emit+0x1b4/0x4e0 [ 45.523602] vprintk_default+0x1a/0x20 [ 45.523603] vprintk_func+0x49/0x12c [ 45.523604] printk+0x91/0xab [ 45.523605] register_console+0x59b/0x920 [ 45.523606] univ8250_console_init+0x1e/0x28 [ 45.523608] console_init+0x45/0x4c [ 45.523609] start_kernel+0x3d6/0x645 [ 45.523610] x86_64_start_reservations+0x29/0x2b [ 45.523612] x86_64_start_kernel+0x76/0x79 [ 45.523613] secondary_startup_64+0xa5/0xb0 [ 45.523614] [ 45.523614] -> #0 (console_owner){-...}: [ 45.523619] __lock_acquire+0x2e94/0x4500 [ 45.523620] lock_acquire+0x173/0x400 [ 45.523621] console_unlock+0x3eb/0xe30 [ 45.523622] vprintk_emit+0x1b4/0x4e0 [ 45.523623] vprintk_default+0x1a/0x20 [ 45.523624] vprintk_func+0x49/0x12c [ 45.523625] printk+0x91/0xab [ 45.523626] should_fail.cold.3+0xdf/0x14b [ 45.523627] should_failslab+0xba/0xf0 [ 45.523628] __kmalloc+0x70/0x7b0 [ 45.523629] __tty_buffer_request_room+0x191/0x620 [ 45.523631] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 45.523632] pty_write+0xf3/0x200 [ 45.523633] tty_put_char+0xff/0x120 [ 45.523634] __process_echoes+0x203/0x790 [ 45.523635] n_tty_receive_buf_common+0x75b/0x29a0 [ 45.523636] n_tty_receive_buf+0xc/0xe [ 45.523637] tty_ioctl+0x630/0x1270 [ 45.523638] do_vfs_ioctl+0x183/0xfc0 [ 45.523639] SyS_ioctl+0x74/0x80 [ 45.523640] do_syscall_64+0x1c9/0x5b0 [ 45.523642] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.523642] [ 45.523644] other info that might help us debug this: [ 45.523644] [ 45.523645] Chain exists of: [ 45.523646] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 45.523649] [ 45.523650] Possible unsafe locking scenario: [ 45.523650] [ 45.523651] CPU0 CPU1 [ 45.523652] ---- ---- [ 45.523652] lock(&(&port->lock)->rlock); [ 45.523654] lock(&port_lock_key); [ 45.523656] lock(&(&port->lock)->rlock); [ 45.523657] lock(console_owner); [ 45.523659] [ 45.523660] *** DEADLOCK *** [ 45.523660] [ 45.523661] 5 locks held by syz-executor.1/6987: [ 45.523661] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 45.523664] #1: (&o_tty->termios_rwsem/1){++++}, at: [] n_tty_receive_buf_common+0x80/0x29a0 [ 45.523667] #2: (&ldata->output_lock){+.+.}, at: [] n_tty_receive_buf_common+0x719/0x29a0 [ 45.523670] #3: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xbf/0x200 [ 45.523673] #4: (console_lock){+.+.}, at: [] vprintk_emit+0x1ab/0x4e0 [ 45.523675] [ 45.523676] stack backtrace: [ 45.523677] CPU: 0 PID: 6987 Comm: syz-executor.1 Not tainted 4.14.174-syzkaller #0 [ 45.523678] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.523679] Call Trace: [ 45.523680] dump_stack+0xf7/0x13b [ 45.523681] print_circular_bug.isra.40.cold.67+0x1bd/0x27d [ 45.523681] ? save_trace+0xe0/0x290 [ 45.523682] __lock_acquire+0x2e94/0x4500 [ 45.523683] ? trace_hardirqs_on+0x10/0x10 [ 45.523683] ? trace_hardirqs_off+0x10/0x10 [ 45.523684] ? find_held_lock+0x36/0x1d0 [ 45.523685] lock_acquire+0x173/0x400 [ 45.523686] ? console_unlock+0x389/0xe30 [ 45.523686] console_unlock+0x3eb/0xe30 [ 45.523687] ? console_unlock+0x389/0xe30 [ 45.523688] ? vprintk_emit+0x1ab/0x4e0 [ 45.523688] vprintk_emit+0x1b4/0x4e0 [ 45.523689] vprintk_default+0x1a/0x20 [ 45.523690] vprintk_func+0x49/0x12c [ 45.523690] printk+0x91/0xab [ 45.523691] ? show_regs_print_info+0x5d/0x5d [ 45.523692] should_fail.cold.3+0xdf/0x14b [ 45.523693] should_failslab+0xba/0xf0 [ 45.523693] __kmalloc+0x70/0x7b0 [ 45.523694] ? __lock_is_held+0xb5/0x140 [ 45.523695] ? __tty_buffer_request_room+0x191/0x620 [ 45.523696] ? n_tty_receive_buf_common+0x719/0x29a0 [ 45.523697] __tty_buffer_request_room+0x191/0x620 [ 45.523697] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 45.523698] pty_write+0xf3/0x200 [ 45.523699] tty_put_char+0xff/0x120 [ 45.523699] ? dev_match_devt+0x90/0x90 [ 45.523700] ? pty_write_room+0x8f/0xb0 [ 45.523701] __process_echoes+0x203/0x790 [ 45.523702] n_tty_receive_buf_common+0x75b/0x29a0 [ 45.523702] ? ldsem_wake+0x40/0x40 [ 45.523703] n_tty_receive_buf+0xc/0xe [ 45.523704] tty_ioctl+0x630/0x1270 [ 45.523704] ? avc_ss_reset+0xe0/0xe0 [ 45.523705] ? tty_vhangup+0x20/0x20 [ 45.523706] ? __lock_acquire+0x6bf/0x4500 [ 45.523707] ? get_pid_task+0x8b/0x100 [ 45.523707] ? trace_hardirqs_off+0x10/0x10 [ 45.523708] ? proc_cwd_link+0x1a0/0x1a0 [ 45.523709] ? __might_sleep+0x93/0xb0 [ 45.523709] do_vfs_ioctl+0x183/0xfc0 [ 45.523710] ? __fget+0x1ad/0x2f0 [ 45.523711] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.523712] ? __fget+0x1ca/0x2f0 [ 45.523712] ? security_file_ioctl+0x70/0xa0 [ 45.523713] ? selinux_file_mprotect+0x630/0x630 [ 45.523714] ? security_file_ioctl+0x70/0xa0 [ 45.523715] SyS_ioctl+0x74/0x80 [ 45.523715] ? do_vfs_ioctl+0xfc0/0xfc0 [ 45.523716] do_syscall_64+0x1c9/0x5b0 [ 45.523717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.523718] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.523718] RIP: 0033:0x458c29 [ 45.523719] RSP: 002b:00007fe29136ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.523721] RAX: ffffffffffffffda RBX: 00007fe29136ac90 RCX: 0000000000458c29 [ 45.523722] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 45.523723] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 45.523724] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe29136b6d4 [ 45.523725] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 2020/03/30 05:33:26 executed programs: 6 [ 46.360185] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.370558] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 46.376801] 8021q: adding VLAN 0 to HW filter on device team0 [ 46.385159] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 46.396530] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 46.409484] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 46.424190] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.447991] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.448618] FAULT_INJECTION: forcing a failure. [ 46.448618] name failslab, interval 1, probability 0, space 0, times 0 [ 46.465718] CPU: 0 PID: 6996 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0 [ 46.466588] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.473502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.473505] Call Trace: [ 46.473518] dump_stack+0xf7/0x13b [ 46.473526] should_fail.cold.3+0x105/0x14b [ 46.473534] should_failslab+0xba/0xf0 [ 46.473541] __kmalloc+0x70/0x7b0 [ 46.473547] ? __tty_buffer_request_room+0x191/0x620 [ 46.473551] __tty_buffer_request_room+0x191/0x620 [ 46.473558] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 46.482293] FAULT_INJECTION: forcing a failure. [ 46.482293] name failslab, interval 1, probability 0, space 0, times 0 [ 46.490277] pty_write+0xf3/0x200 [ 46.538083] tty_put_char+0xff/0x120 [ 46.541790] ? dev_match_devt+0x90/0x90 [ 46.545757] ? pty_write_room+0x8f/0xb0 [ 46.549725] __process_echoes+0x203/0x790 [ 46.553856] n_tty_receive_buf_common+0x75b/0x29a0 [ 46.558767] ? ldsem_wake+0x40/0x40 [ 46.562389] n_tty_receive_buf+0xc/0xe [ 46.566259] tty_ioctl+0x630/0x1270 [ 46.569866] ? avc_ss_reset+0xe0/0xe0 [ 46.573647] ? tty_vhangup+0x20/0x20 [ 46.577346] ? get_pid_task+0x8b/0x100 [ 46.581219] ? proc_fail_nth_write+0xd6/0x160 [ 46.585701] ? proc_cwd_link+0x1a0/0x1a0 [ 46.589738] ? __fdget_pos+0x8e/0xc0 [ 46.593432] ? trace_hardirqs_on+0x10/0x10 [ 46.597644] ? __vfs_write+0xde/0x850 [ 46.601578] ? __might_sleep+0x93/0xb0 [ 46.605460] do_vfs_ioctl+0x183/0xfc0 [ 46.609247] ? __fget+0x1ad/0x2f0 [ 46.612688] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.617078] ? __fget+0x1ca/0x2f0 [ 46.620529] ? security_file_ioctl+0x70/0xa0 [ 46.624997] ? selinux_file_mprotect+0x630/0x630 [ 46.629951] ? security_file_ioctl+0x70/0xa0 [ 46.634345] SyS_ioctl+0x74/0x80 [ 46.637696] ? do_vfs_ioctl+0xfc0/0xfc0 [ 46.641651] do_syscall_64+0x1c9/0x5b0 [ 46.645516] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.650350] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.655525] RIP: 0033:0x458c29 [ 46.658691] RSP: 002b:00007fe0204d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.666376] RAX: ffffffffffffffda RBX: 00007fe0204d7c90 RCX: 0000000000458c29 [ 46.673633] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 46.680969] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 46.688302] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0204d86d4 [ 46.695568] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 46.702830] CPU: 1 PID: 7000 Comm: syz-executor.5 Not tainted 4.14.174-syzkaller #0 [ 46.710629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.719983] Call Trace: [ 46.722571] dump_stack+0xf7/0x13b [ 46.726119] should_fail.cold.3+0x105/0x14b [ 46.730450] should_failslab+0xba/0xf0 [ 46.734350] __kmalloc+0x70/0x7b0 [ 46.737810] ? __tty_buffer_request_room+0x191/0x620 [ 46.739152] FAULT_INJECTION: forcing a failure. [ 46.739152] name failslab, interval 1, probability 0, space 0, times 0 [ 46.742929] __tty_buffer_request_room+0x191/0x620 [ 46.759140] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 46.764669] pty_write+0xf3/0x200 [ 46.768100] tty_put_char+0xff/0x120 [ 46.771827] ? dev_match_devt+0x90/0x90 [ 46.775787] ? pty_write_room+0x8f/0xb0 [ 46.779925] __process_echoes+0x203/0x790 [ 46.784172] n_tty_receive_buf_common+0x75b/0x29a0 [ 46.789168] ? ldsem_wake+0x40/0x40 [ 46.792808] n_tty_receive_buf+0xc/0xe [ 46.796690] tty_ioctl+0x630/0x1270 [ 46.800307] ? avc_ss_reset+0xe0/0xe0 [ 46.804204] ? tty_vhangup+0x20/0x20 [ 46.807917] ? get_pid_task+0x8b/0x100 [ 46.811788] ? proc_fail_nth_write+0xd6/0x160 [ 46.816273] ? proc_cwd_link+0x1a0/0x1a0 [ 46.820312] ? __fdget_pos+0x8e/0xc0 [ 46.824026] ? trace_hardirqs_on+0x10/0x10 [ 46.828276] ? __vfs_write+0xde/0x850 [ 46.832056] ? __might_sleep+0x93/0xb0 [ 46.835933] do_vfs_ioctl+0x183/0xfc0 [ 46.839804] ? __fget+0x1ad/0x2f0 [ 46.843240] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.847627] ? __fget+0x1ca/0x2f0 [ 46.851061] ? security_file_ioctl+0x70/0xa0 [ 46.855446] ? selinux_file_mprotect+0x630/0x630 [ 46.860177] ? security_file_ioctl+0x70/0xa0 [ 46.864559] SyS_ioctl+0x74/0x80 [ 46.867915] ? do_vfs_ioctl+0xfc0/0xfc0 [ 46.871865] do_syscall_64+0x1c9/0x5b0 [ 46.875750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.880578] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.885745] RIP: 0033:0x458c29 [ 46.888913] RSP: 002b:00007fa50497cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.896601] RAX: ffffffffffffffda RBX: 00007fa50497cc90 RCX: 0000000000458c29 [ 46.903849] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 46.911184] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 46.918553] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa50497d6d4 [ 46.925811] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 46.933080] CPU: 0 PID: 7005 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0 [ 46.940878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.946688] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.950230] Call Trace: [ 46.950243] dump_stack+0xf7/0x13b [ 46.950252] should_fail.cold.3+0x105/0x14b [ 46.950258] should_failslab+0xba/0xf0 [ 46.950264] __kmalloc+0x70/0x7b0 [ 46.950270] ? __tty_buffer_request_room+0x191/0x620 [ 46.950274] __tty_buffer_request_room+0x191/0x620 [ 46.950280] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 46.950286] pty_write+0xf3/0x200 [ 46.950292] tty_put_char+0xff/0x120 [ 46.950295] ? dev_match_devt+0x90/0x90 [ 46.950299] ? pty_write_room+0x8f/0xb0 [ 46.950307] __process_echoes+0x203/0x790 [ 46.969845] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.971897] n_tty_receive_buf_common+0x75b/0x29a0 [ 46.971903] ? ldsem_wake+0x40/0x40 [ 46.975371] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.980444] n_tty_receive_buf+0xc/0xe [ 46.980448] tty_ioctl+0x630/0x1270 [ 46.980452] ? avc_ss_reset+0xe0/0xe0 [ 46.980456] ? tty_vhangup+0x20/0x20 [ 46.980460] ? get_pid_task+0x8b/0x100 [ 46.980466] ? proc_fail_nth_write+0xd6/0x160 [ 46.980470] ? proc_cwd_link+0x1a0/0x1a0 [ 46.980475] ? __fdget_pos+0x8e/0xc0 [ 46.980483] ? trace_hardirqs_on+0x10/0x10 [ 47.000891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.002041] ? __vfs_write+0xde/0x850 [ 47.002050] ? __might_sleep+0x93/0xb0 [ 47.007844] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.010252] do_vfs_ioctl+0x183/0xfc0 [ 47.010259] ? __fget+0x1ad/0x2f0 [ 47.018814] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.021508] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.025131] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.031597] ? __fget+0x1ca/0x2f0 [ 47.031605] ? security_file_ioctl+0x70/0xa0 [ 47.031610] ? selinux_file_mprotect+0x630/0x630 [ 47.031612] ? security_file_ioctl+0x70/0xa0 [ 47.031618] SyS_ioctl+0x74/0x80 [ 47.031621] ? do_vfs_ioctl+0xfc0/0xfc0 [ 47.031627] do_syscall_64+0x1c9/0x5b0 [ 47.031630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.031638] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.031643] RIP: 0033:0x458c29 [ 47.036507] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.039122] RSP: 002b:00007fe0204d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.039128] RAX: ffffffffffffffda RBX: 00007fe0204d7c90 RCX: 0000000000458c29 [ 47.039130] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.039132] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.039134] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0204d86d4 [ 47.039136] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 47.094611] FAULT_INJECTION: forcing a failure. [ 47.094611] name failslab, interval 1, probability 0, space 0, times 0 [ 47.106961] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.108728] CPU: 0 PID: 7015 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0 [ 47.108731] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.108732] Call Trace: [ 47.108743] dump_stack+0xf7/0x13b [ 47.108752] should_fail.cold.3+0x105/0x14b [ 47.108758] should_failslab+0xba/0xf0 [ 47.108764] __kmalloc+0x70/0x7b0 [ 47.108770] ? __tty_buffer_request_room+0x191/0x620 [ 47.108775] __tty_buffer_request_room+0x191/0x620 [ 47.108781] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 47.108788] pty_write+0xf3/0x200 [ 47.108794] tty_put_char+0xff/0x120 [ 47.108798] ? dev_match_devt+0x90/0x90 [ 47.108802] ? pty_write_room+0x8f/0xb0 [ 47.108807] __process_echoes+0x203/0x790 [ 47.108815] n_tty_receive_buf_common+0x75b/0x29a0 [ 47.108819] ? ldsem_wake+0x40/0x40 [ 47.108829] n_tty_receive_buf+0xc/0xe [ 47.108833] tty_ioctl+0x630/0x1270 [ 47.108837] ? avc_ss_reset+0xe0/0xe0 [ 47.108840] ? tty_vhangup+0x20/0x20 [ 47.108845] ? get_pid_task+0x8b/0x100 [ 47.108850] ? proc_fail_nth_write+0xd6/0x160 [ 47.108854] ? proc_cwd_link+0x1a0/0x1a0 [ 47.108858] ? proc_cwd_link+0x1a0/0x1a0 [ 47.108862] ? proc_fail_nth_write+0x1/0x160 [ 47.108869] ? trace_hardirqs_on+0x10/0x10 [ 47.108873] ? __vfs_write+0xde/0x850 [ 47.108880] ? __might_sleep+0x93/0xb0 [ 47.117463] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.118810] do_vfs_ioctl+0x183/0xfc0 [ 47.118817] ? __fget+0x1ad/0x2f0 [ 47.126524] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.127961] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.127968] ? __fget+0x1ca/0x2f0 [ 47.127976] ? security_file_ioctl+0x70/0xa0 [ 47.127981] ? selinux_file_mprotect+0x630/0x630 [ 47.127984] ? security_file_ioctl+0x70/0xa0 [ 47.127988] SyS_ioctl+0x74/0x80 [ 47.127992] ? do_vfs_ioctl+0xfc0/0xfc0 [ 47.127998] do_syscall_64+0x1c9/0x5b0 [ 47.128002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.128011] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.128015] RIP: 0033:0x458c29 [ 47.128017] RSP: 002b:00007fe0204d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.128022] RAX: ffffffffffffffda RBX: 00007fe0204d7c90 RCX: 0000000000458c29 [ 47.128025] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.128027] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.128030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0204d86d4 [ 47.128032] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 47.308958] FAULT_INJECTION: forcing a failure. [ 47.308958] name failslab, interval 1, probability 0, space 0, times 0 [ 47.312310] FAULT_INJECTION: forcing a failure. [ 47.312310] name failslab, interval 1, probability 0, space 0, times 0 [ 47.312745] CPU: 0 PID: 7020 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0 [ 47.492996] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.502447] Call Trace: [ 47.505038] dump_stack+0xf7/0x13b [ 47.508584] should_fail.cold.3+0x105/0x14b [ 47.512909] should_failslab+0xba/0xf0 [ 47.516777] __kmalloc+0x70/0x7b0 [ 47.520297] ? __tty_buffer_request_room+0x191/0x620 [ 47.525376] __tty_buffer_request_room+0x191/0x620 [ 47.530287] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 47.535804] pty_write+0xf3/0x200 [ 47.539238] tty_put_char+0xff/0x120 [ 47.542929] ? dev_match_devt+0x90/0x90 [ 47.546882] ? pty_write_room+0x8f/0xb0 [ 47.550846] __process_echoes+0x203/0x790 [ 47.554974] n_tty_receive_buf_common+0x75b/0x29a0 [ 47.559882] ? ldsem_wake+0x40/0x40 [ 47.563493] n_tty_receive_buf+0xc/0xe [ 47.567356] tty_ioctl+0x630/0x1270 [ 47.570961] ? avc_ss_reset+0xe0/0xe0 [ 47.574764] ? tty_vhangup+0x20/0x20 [ 47.581796] ? get_pid_task+0x8b/0x100 [ 47.585683] ? proc_fail_nth_write+0xd6/0x160 [ 47.590184] ? proc_cwd_link+0x1a0/0x1a0 [ 47.594415] ? __fdget_pos+0x8e/0xc0 [ 47.598111] ? trace_hardirqs_on+0x10/0x10 [ 47.602454] ? __vfs_write+0xde/0x850 [ 47.606255] ? __might_sleep+0x93/0xb0 [ 47.610163] do_vfs_ioctl+0x183/0xfc0 [ 47.613958] ? __fget+0x1ad/0x2f0 [ 47.617393] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.621928] ? __fget+0x1ca/0x2f0 [ 47.625366] ? security_file_ioctl+0x70/0xa0 [ 47.629753] ? selinux_file_mprotect+0x630/0x630 [ 47.634485] ? security_file_ioctl+0x70/0xa0 [ 47.638885] SyS_ioctl+0x74/0x80 [ 47.642247] ? do_vfs_ioctl+0xfc0/0xfc0 [ 47.646287] do_syscall_64+0x1c9/0x5b0 [ 47.650165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.655077] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.660245] RIP: 0033:0x458c29 [ 47.663416] RSP: 002b:00007fe0204d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.671204] RAX: ffffffffffffffda RBX: 00007fe0204d7c90 RCX: 0000000000458c29 [ 47.678722] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.686082] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.693348] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0204d86d4 [ 47.700609] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 47.709273] CPU: 1 PID: 7019 Comm: syz-executor.1 Not tainted 4.14.174-syzkaller #0 [ 47.717334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.726714] Call Trace: [ 47.729405] dump_stack+0xf7/0x13b [ 47.732950] should_fail.cold.3+0x105/0x14b [ 47.737280] should_failslab+0xba/0xf0 [ 47.741169] __kmalloc+0x70/0x7b0 [ 47.744629] ? __tty_buffer_request_room+0x191/0x620 [ 47.749768] __tty_buffer_request_room+0x191/0x620 [ 47.754612] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.754694] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 47.754703] pty_write+0xf3/0x200 [ 47.763694] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.766371] tty_put_char+0xff/0x120 [ 47.766377] ? dev_match_devt+0x90/0x90 [ 47.773060] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.775971] ? pty_write_room+0x8f/0xb0 [ 47.775979] __process_echoes+0x203/0x790 [ 47.775986] n_tty_receive_buf_common+0x75b/0x29a0 [ 47.782850] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.783663] ? ldsem_wake+0x40/0x40 [ 47.783676] n_tty_receive_buf+0xc/0xe [ 47.792437] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.793532] tty_ioctl+0x630/0x1270 [ 47.793537] ? avc_ss_reset+0xe0/0xe0 [ 47.793543] ? tty_vhangup+0x20/0x20 [ 47.800780] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.802594] ? get_pid_task+0x8b/0x100 [ 47.802601] ? proc_fail_nth_write+0xd6/0x160 [ 47.802606] ? proc_cwd_link+0x1a0/0x1a0 [ 47.812648] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.813155] ? __fdget_pos+0x8e/0xc0 [ 47.813163] ? trace_hardirqs_on+0x10/0x10 [ 47.813170] ? __vfs_write+0xde/0x850 [ 47.820064] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.823982] ? __might_sleep+0x93/0xb0 [ 47.823993] do_vfs_ioctl+0x183/0xfc0 [ 47.830978] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.831390] ? __fget+0x1ad/0x2f0 [ 47.836824] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 47.841849] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.841856] ? __fget+0x1ca/0x2f0 [ 47.841864] ? security_file_ioctl+0x70/0xa0 [ 47.841868] ? selinux_file_mprotect+0x630/0x630 [ 47.841872] ? security_file_ioctl+0x70/0xa0 [ 47.841876] SyS_ioctl+0x74/0x80 [ 47.841882] ? do_vfs_ioctl+0xfc0/0xfc0 [ 47.850690] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 47.854286] do_syscall_64+0x1c9/0x5b0 [ 47.854291] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.862206] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.864732] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.864737] RIP: 0033:0x458c29 [ 47.870953] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.873606] RSP: 002b:00007fe29136ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.873612] RAX: ffffffffffffffda RBX: 00007fe29136ac90 RCX: 0000000000458c29 [ 47.873614] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.873616] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.873618] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe29136b6d4 [ 47.873620] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 48.027961] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.035582] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.044333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.052229] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.059947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.068781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 48.075689] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 48.083179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.090906] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.098554] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.104884] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.111815] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.119676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.127463] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.133822] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.140703] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.148375] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.155859] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.163729] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.171359] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.179235] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.186834] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.194343] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.201845] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.209416] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.217149] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.225718] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.232896] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.239920] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.249865] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 48.256126] 8021q: adding VLAN 0 to HW filter on device team0 [ 48.270180] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.278675] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.286622] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.294649] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.304521] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.311803] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.320937] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.328979] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.336549] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.344354] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.352284] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.361667] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 48.371015] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.379146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 48.387461] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.395222] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.401866] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.409179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.416977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.425046] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 48.433606] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.440032] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.449315] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 48.459584] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.468028] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.478212] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.485737] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.492286] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.500683] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 48.509070] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.518370] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 48.526308] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.535250] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.547144] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.555095] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 48.563493] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.571830] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.580548] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 48.589893] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.598238] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.605919] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.619061] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 48.626276] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.634738] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.646208] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.653880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.661916] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.671103] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 48.677829] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 48.689002] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 48.698288] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.074480] FAULT_INJECTION: forcing a failure. [ 49.074480] name failslab, interval 1, probability 0, space 0, times 0 [ 49.086894] CPU: 0 PID: 7046 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 [ 49.095015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.104402] Call Trace: [ 49.107274] dump_stack+0xf7/0x13b [ 49.110808] should_fail.cold.3+0x105/0x14b [ 49.115161] should_failslab+0xba/0xf0 [ 49.119157] __kmalloc+0x70/0x7b0 [ 49.122773] ? __tty_buffer_request_room+0x191/0x620 [ 49.127900] __tty_buffer_request_room+0x191/0x620 [ 49.133243] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 49.139020] pty_write+0xf3/0x200 [ 49.142534] tty_put_char+0xff/0x120 [ 49.146343] ? dev_match_devt+0x90/0x90 [ 49.150507] ? pty_write_room+0x8f/0xb0 [ 49.154606] __process_echoes+0x203/0x790 [ 49.158744] n_tty_receive_buf_common+0x75b/0x29a0 [ 49.163681] ? ldsem_wake+0x40/0x40 [ 49.167315] n_tty_receive_buf+0xc/0xe [ 49.171220] tty_ioctl+0x630/0x1270 [ 49.174850] ? avc_ss_reset+0xe0/0xe0 [ 49.178645] ? tty_vhangup+0x20/0x20 [ 49.182383] ? get_pid_task+0x8b/0x100 [ 49.186295] ? proc_fail_nth_write+0xd6/0x160 [ 49.190839] ? proc_cwd_link+0x1a0/0x1a0 [ 49.195317] ? __fdget_pos+0x8e/0xc0 [ 49.199034] ? trace_hardirqs_on+0x10/0x10 [ 49.203303] ? __vfs_write+0xde/0x850 [ 49.207110] ? __might_sleep+0x93/0xb0 [ 49.211335] do_vfs_ioctl+0x183/0xfc0 [ 49.215159] ? __fget+0x1ad/0x2f0 [ 49.218894] ? ioctl_preallocate+0x1a0/0x1a0 [ 49.223416] ? __fget+0x1ca/0x2f0 [ 49.227315] ? security_file_ioctl+0x70/0xa0 [ 49.231749] ? selinux_file_mprotect+0x630/0x630 [ 49.236721] ? security_file_ioctl+0x70/0xa0 [ 49.241152] SyS_ioctl+0x74/0x80 [ 49.244557] ? do_vfs_ioctl+0xfc0/0xfc0 [ 49.248611] do_syscall_64+0x1c9/0x5b0 [ 49.252587] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.257503] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.262918] RIP: 0033:0x458c29 [ 49.266238] RSP: 002b:00007fd674cd3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.273945] RAX: ffffffffffffffda RBX: 00007fd674cd3c90 RCX: 0000000000458c29 [ 49.281206] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.288495] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.295838] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd674cd46d4 [ 49.303104] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 49.354221] FAULT_INJECTION: forcing a failure. [ 49.354221] name failslab, interval 1, probability 0, space 0, times 0 [ 49.365614] CPU: 0 PID: 7052 Comm: syz-executor.2 Not tainted 4.14.174-syzkaller #0 [ 49.373513] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.383048] Call Trace: [ 49.385626] dump_stack+0xf7/0x13b [ 49.389153] should_fail.cold.3+0x105/0x14b [ 49.393477] should_failslab+0xba/0xf0 [ 49.397434] __kmalloc+0x70/0x7b0 [ 49.400873] ? __tty_buffer_request_room+0x191/0x620 [ 49.406338] __tty_buffer_request_room+0x191/0x620 [ 49.411264] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 49.416805] pty_write+0xf3/0x200 [ 49.420241] tty_put_char+0xff/0x120 [ 49.423950] ? dev_match_devt+0x90/0x90 [ 49.427919] ? pty_write_room+0x8f/0xb0 [ 49.431883] __process_echoes+0x203/0x790 [ 49.436024] n_tty_receive_buf_common+0x75b/0x29a0 [ 49.440948] ? ldsem_wake+0x40/0x40 [ 49.444557] n_tty_receive_buf+0xc/0xe [ 49.448425] tty_ioctl+0x630/0x1270 [ 49.452027] ? avc_ss_reset+0xe0/0xe0 [ 49.455804] ? tty_vhangup+0x20/0x20 [ 49.459515] ? get_pid_task+0x8b/0x100 [ 49.463404] ? proc_fail_nth_write+0xd6/0x160 [ 49.467890] ? proc_cwd_link+0x1a0/0x1a0 [ 49.471948] ? __fdget_pos+0x8e/0xc0 [ 49.476684] ? trace_hardirqs_on+0x10/0x10 [ 49.480895] ? __vfs_write+0xde/0x850 [ 49.484673] ? __might_sleep+0x93/0xb0 [ 49.488643] do_vfs_ioctl+0x183/0xfc0 [ 49.492434] ? __fget+0x1ad/0x2f0 [ 49.495863] ? ioctl_preallocate+0x1a0/0x1a0 [ 49.500249] ? __fget+0x1ca/0x2f0 [ 49.503695] ? security_file_ioctl+0x70/0xa0 [ 49.508092] ? selinux_file_mprotect+0x630/0x630 [ 49.512829] ? security_file_ioctl+0x70/0xa0 [ 49.517216] SyS_ioctl+0x74/0x80 [ 49.520566] ? do_vfs_ioctl+0xfc0/0xfc0 [ 49.524604] do_syscall_64+0x1c9/0x5b0 [ 49.528992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.533816] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.538983] RIP: 0033:0x458c29 [ 49.542258] RSP: 002b:00007fc9ce1cac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.549989] RAX: ffffffffffffffda RBX: 00007fc9ce1cac90 RCX: 0000000000458c29 [ 49.557240] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.564485] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.571759] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9ce1cb6d4 [ 49.579199] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 49.606220] FAULT_INJECTION: forcing a failure. [ 49.606220] name failslab, interval 1, probability 0, space 0, times 0 [ 49.617274] FAULT_INJECTION: forcing a failure. [ 49.617274] name failslab, interval 1, probability 0, space 0, times 0 [ 49.618328] CPU: 0 PID: 7055 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0 [ 49.637372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.646944] Call Trace: [ 49.649531] dump_stack+0xf7/0x13b [ 49.653073] should_fail.cold.3+0x105/0x14b [ 49.657376] should_failslab+0xba/0xf0 [ 49.661248] __kmalloc+0x70/0x7b0 [ 49.664685] ? __tty_buffer_request_room+0x191/0x620 [ 49.669770] __tty_buffer_request_room+0x191/0x620 [ 49.674683] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 49.680203] pty_write+0xf3/0x200 [ 49.683636] tty_put_char+0xff/0x120 [ 49.687324] ? dev_match_devt+0x90/0x90 [ 49.691276] ? pty_write_room+0x8f/0xb0 [ 49.695227] __process_echoes+0x203/0x790 [ 49.699355] n_tty_receive_buf_common+0x75b/0x29a0 [ 49.704270] ? ldsem_wake+0x40/0x40 [ 49.707877] n_tty_receive_buf+0xc/0xe [ 49.711743] tty_ioctl+0x630/0x1270 [ 49.715346] ? avc_ss_reset+0xe0/0xe0 [ 49.719124] ? tty_vhangup+0x20/0x20 [ 49.722814] ? get_pid_task+0x8b/0x100 [ 49.726776] ? proc_fail_nth_write+0xd6/0x160 [ 49.731694] ? proc_cwd_link+0x1a0/0x1a0 [ 49.735732] ? __fdget_pos+0x8e/0xc0 [ 49.739433] ? trace_hardirqs_on+0x10/0x10 [ 49.743646] ? __vfs_write+0xde/0x850 [ 49.747448] ? __might_sleep+0x93/0xb0 [ 49.751347] do_vfs_ioctl+0x183/0xfc0 [ 49.755150] ? __fget+0x1ad/0x2f0 [ 49.758596] ? ioctl_preallocate+0x1a0/0x1a0 [ 49.762991] ? __fget+0x1ca/0x2f0 [ 49.766437] ? security_file_ioctl+0x70/0xa0 [ 49.770836] ? selinux_file_mprotect+0x630/0x630 [ 49.775573] ? security_file_ioctl+0x70/0xa0 [ 49.779960] SyS_ioctl+0x74/0x80 [ 49.783314] ? do_vfs_ioctl+0xfc0/0xfc0 [ 49.787354] do_syscall_64+0x1c9/0x5b0 [ 49.791228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.796061] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.801228] RIP: 0033:0x458c29 [ 49.804404] RSP: 002b:00007fe0204d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.812091] RAX: ffffffffffffffda RBX: 00007fe0204d7c90 RCX: 0000000000458c29 [ 49.819340] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.826592] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.833858] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0204d86d4 [ 49.841533] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 49.848908] CPU: 1 PID: 7059 Comm: syz-executor.2 Not tainted 4.14.174-syzkaller #0 [ 49.856736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.866087] Call Trace: [ 49.868674] dump_stack+0xf7/0x13b [ 49.872229] should_fail.cold.3+0x105/0x14b [ 49.876557] should_failslab+0xba/0xf0 [ 49.880495] __kmalloc+0x70/0x7b0 [ 49.883954] ? __tty_buffer_request_room+0x191/0x620 [ 49.889063] __tty_buffer_request_room+0x191/0x620 [ 49.894156] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 49.899698] pty_write+0xf3/0x200 [ 49.903146] tty_put_char+0xff/0x120 [ 49.906862] ? dev_match_devt+0x90/0x90 [ 49.910819] ? pty_write_room+0x8f/0xb0 [ 49.914780] __process_echoes+0x203/0x790 [ 49.919015] n_tty_receive_buf_common+0x75b/0x29a0 [ 49.923946] ? ldsem_wake+0x40/0x40 [ 49.927647] n_tty_receive_buf+0xc/0xe [ 49.931518] tty_ioctl+0x630/0x1270 [ 49.935136] ? avc_ss_reset+0xe0/0xe0 [ 49.938919] ? tty_vhangup+0x20/0x20 [ 49.942626] ? get_pid_task+0x8b/0x100 [ 49.946517] ? proc_fail_nth_write+0xd6/0x160 [ 49.950986] ? proc_cwd_link+0x1a0/0x1a0 [ 49.955025] ? __fdget_pos+0x8e/0xc0 [ 49.958743] ? trace_hardirqs_on+0x10/0x10 [ 49.962954] ? __vfs_write+0xde/0x850 [ 49.966747] ? __might_sleep+0x93/0xb0 [ 49.970638] do_vfs_ioctl+0x183/0xfc0 [ 49.974415] ? __fget+0x1ad/0x2f0 [ 49.977846] ? ioctl_preallocate+0x1a0/0x1a0 [ 49.982237] ? __fget+0x1ca/0x2f0 [ 49.985681] ? security_file_ioctl+0x70/0xa0 [ 49.990066] ? selinux_file_mprotect+0x630/0x630 [ 49.994798] ? security_file_ioctl+0x70/0xa0 [ 49.999210] SyS_ioctl+0x74/0x80 [ 50.002577] ? do_vfs_ioctl+0xfc0/0xfc0 [ 50.006636] do_syscall_64+0x1c9/0x5b0 [ 50.010501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.015456] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.020660] RIP: 0033:0x458c29 [ 50.023845] RSP: 002b:00007fc9ce1cac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.031540] RAX: ffffffffffffffda RBX: 00007fc9ce1cac90 RCX: 0000000000458c29 [ 50.038816] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.046076] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.053324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9ce1cb6d4 [ 50.060676] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 50.722496] FAULT_INJECTION: forcing a failure. [ 50.722496] name failslab, interval 1, probability 0, space 0, times 0 [ 50.733913] CPU: 0 PID: 7066 Comm: syz-executor.4 Not tainted 4.14.174-syzkaller #0 [ 50.742105] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.751459] Call Trace: [ 50.754032] dump_stack+0xf7/0x13b [ 50.757559] should_fail.cold.3+0x105/0x14b [ 50.761869] should_failslab+0xba/0xf0 [ 50.765738] __kmalloc+0x70/0x7b0 [ 50.769302] ? __tty_buffer_request_room+0x191/0x620 [ 50.774518] __tty_buffer_request_room+0x191/0x620 [ 50.779580] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 50.785098] pty_write+0xf3/0x200 [ 50.788530] tty_put_char+0xff/0x120 [ 50.792314] ? dev_match_devt+0x90/0x90 [ 50.796385] ? pty_write_room+0x8f/0xb0 [ 50.800437] __process_echoes+0x203/0x790 [ 50.804654] n_tty_receive_buf_common+0x75b/0x29a0 [ 50.809838] ? ldsem_wake+0x40/0x40 [ 50.813549] n_tty_receive_buf+0xc/0xe [ 50.817431] tty_ioctl+0x630/0x1270 [ 50.821200] ? avc_ss_reset+0xe0/0xe0 [ 50.825172] ? tty_vhangup+0x20/0x20 [ 50.829172] ? get_pid_task+0x8b/0x100 [ 50.833046] ? proc_fail_nth_write+0xd6/0x160 [ 50.837823] ? proc_cwd_link+0x1a0/0x1a0 [ 50.842128] ? __fdget_pos+0x8e/0xc0 [ 50.845832] ? trace_hardirqs_on+0x10/0x10 [ 50.850343] ? __vfs_write+0xde/0x850 [ 50.854154] ? __might_sleep+0x93/0xb0 [ 50.858030] do_vfs_ioctl+0x183/0xfc0 [ 50.861828] ? __fget+0x1ad/0x2f0 [ 50.865259] ? ioctl_preallocate+0x1a0/0x1a0 [ 50.869652] ? __fget+0x1ca/0x2f0 [ 50.873189] ? security_file_ioctl+0x70/0xa0 [ 50.877760] ? selinux_file_mprotect+0x630/0x630 [ 50.882607] ? security_file_ioctl+0x70/0xa0 [ 50.887112] SyS_ioctl+0x74/0x80 [ 50.890610] ? do_vfs_ioctl+0xfc0/0xfc0 [ 50.894591] do_syscall_64+0x1c9/0x5b0 [ 50.898491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.903532] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.908820] RIP: 0033:0x458c29 [ 50.913074] RSP: 002b:00007f1b12ebbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.920795] RAX: ffffffffffffffda RBX: 00007f1b12ebbc90 RCX: 0000000000458c29 [ 50.928341] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.936317] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.943750] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b12ebc6d4 [ 50.951049] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 50.973594] FAULT_INJECTION: forcing a failure. [ 50.973594] name failslab, interval 1, probability 0, space 0, times 0 [ 50.985191] CPU: 0 PID: 7075 Comm: syz-executor.2 Not tainted 4.14.174-syzkaller #0 [ 50.993313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.999353] FAULT_INJECTION: forcing a failure. [ 50.999353] name failslab, interval 1, probability 0, space 0, times 0 [ 51.002666] Call Trace: [ 51.016629] dump_stack+0xf7/0x13b [ 51.020152] should_fail.cold.3+0x105/0x14b [ 51.024454] should_failslab+0xba/0xf0 [ 51.028325] __kmalloc+0x70/0x7b0 [ 51.031758] ? __tty_buffer_request_room+0x191/0x620 [ 51.036853] __tty_buffer_request_room+0x191/0x620 [ 51.041767] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 51.047373] pty_write+0xf3/0x200 [ 51.050805] tty_put_char+0xff/0x120 [ 51.054513] ? dev_match_devt+0x90/0x90 [ 51.058466] ? pty_write_room+0x8f/0xb0 [ 51.062421] __process_echoes+0x203/0x790 [ 51.066564] n_tty_receive_buf_common+0x75b/0x29a0 [ 51.071471] ? ldsem_wake+0x40/0x40 [ 51.075084] n_tty_receive_buf+0xc/0xe [ 51.079085] tty_ioctl+0x630/0x1270 [ 51.082691] ? avc_ss_reset+0xe0/0xe0 [ 51.086493] ? tty_vhangup+0x20/0x20 [ 51.090197] ? get_pid_task+0x8b/0x100 [ 51.094063] ? proc_fail_nth_write+0xd6/0x160 [ 51.098558] ? proc_cwd_link+0x1a0/0x1a0 [ 51.102689] ? __fdget_pos+0x8e/0xc0 [ 51.106384] ? trace_hardirqs_on+0x10/0x10 [ 51.110611] ? __vfs_write+0xde/0x850 [ 51.114481] ? __might_sleep+0x93/0xb0 [ 51.118349] do_vfs_ioctl+0x183/0xfc0 [ 51.122152] ? __fget+0x1ad/0x2f0 [ 51.125584] ? ioctl_preallocate+0x1a0/0x1a0 [ 51.130001] ? __fget+0x1ca/0x2f0 [ 51.133463] ? security_file_ioctl+0x70/0xa0 [ 51.137850] ? selinux_file_mprotect+0x630/0x630 [ 51.142671] ? security_file_ioctl+0x70/0xa0 [ 51.147057] SyS_ioctl+0x74/0x80 [ 51.150409] ? do_vfs_ioctl+0xfc0/0xfc0 [ 51.154365] do_syscall_64+0x1c9/0x5b0 [ 51.158230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.163117] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.168301] RIP: 0033:0x458c29 [ 51.171490] RSP: 002b:00007fc9ce1cac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.179179] RAX: ffffffffffffffda RBX: 00007fc9ce1cac90 RCX: 0000000000458c29 [ 51.186431] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.193684] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.200934] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9ce1cb6d4 [ 51.208461] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 51.216116] CPU: 1 PID: 7079 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 [ 51.217867] FAULT_INJECTION: forcing a failure. [ 51.217867] name failslab, interval 1, probability 0, space 0, times 0 [ 51.223968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.245265] Call Trace: [ 51.247850] dump_stack+0xf7/0x13b [ 51.251543] should_fail.cold.3+0x105/0x14b [ 51.255870] should_failslab+0xba/0xf0 [ 51.259835] __kmalloc+0x70/0x7b0 [ 51.263283] ? __tty_buffer_request_room+0x191/0x620 [ 51.268396] __tty_buffer_request_room+0x191/0x620 [ 51.273370] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 51.278905] pty_write+0xf3/0x200 [ 51.282449] tty_put_char+0xff/0x120 [ 51.286142] ? dev_match_devt+0x90/0x90 [ 51.290138] ? pty_write_room+0x8f/0xb0 [ 51.294192] __process_echoes+0x203/0x790 [ 51.298495] n_tty_receive_buf_common+0x75b/0x29a0 [ 51.303414] ? ldsem_wake+0x40/0x40 [ 51.307566] n_tty_receive_buf+0xc/0xe [ 51.311624] tty_ioctl+0x630/0x1270 [ 51.315231] ? avc_ss_reset+0xe0/0xe0 [ 51.319020] ? tty_vhangup+0x20/0x20 [ 51.322712] ? get_pid_task+0x8b/0x100 [ 51.326665] ? proc_fail_nth_write+0xd6/0x160 [ 51.331178] ? proc_cwd_link+0x1a0/0x1a0 [ 51.335216] ? __fdget_pos+0x8e/0xc0 [ 51.338996] ? trace_hardirqs_on+0x10/0x10 [ 51.343207] ? __vfs_write+0xde/0x850 [ 51.347005] ? __might_sleep+0x93/0xb0 [ 51.350893] do_vfs_ioctl+0x183/0xfc0 [ 51.354679] ? __fget+0x1ad/0x2f0 [ 51.358129] ? ioctl_preallocate+0x1a0/0x1a0 [ 51.362524] ? __fget+0x1ca/0x2f0 [ 51.365974] ? security_file_ioctl+0x70/0xa0 [ 51.370361] ? selinux_file_mprotect+0x630/0x630 [ 51.375548] ? security_file_ioctl+0x70/0xa0 [ 51.379971] SyS_ioctl+0x74/0x80 [ 51.383428] ? do_vfs_ioctl+0xfc0/0xfc0 [ 51.387517] do_syscall_64+0x1c9/0x5b0 [ 51.391390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.396218] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.401401] RIP: 0033:0x458c29 [ 51.404573] RSP: 002b:00007fd674cd3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.412259] RAX: ffffffffffffffda RBX: 00007fd674cd3c90 RCX: 0000000000458c29 [ 51.419507] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.426775] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.434052] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd674cd46d4 [ 51.441394] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 51.448661] CPU: 0 PID: 7077 Comm: syz-executor.5 Not tainted 4.14.174-syzkaller #0 [ 51.456459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.465899] Call Trace: [ 51.468490] dump_stack+0xf7/0x13b [ 51.472045] should_fail.cold.3+0x105/0x14b [ 51.476376] should_failslab+0xba/0xf0 [ 51.480267] __kmalloc+0x70/0x7b0 [ 51.483723] ? __tty_buffer_request_room+0x191/0x620 [ 51.488933] __tty_buffer_request_room+0x191/0x620 [ 51.493870] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 51.500035] pty_write+0xf3/0x200 [ 51.500631] FAULT_INJECTION: forcing a failure. [ 51.500631] name failslab, interval 1, probability 0, space 0, times 0 [ 51.503491] tty_put_char+0xff/0x120 [ 51.518473] ? dev_match_devt+0x90/0x90 [ 51.522450] ? pty_write_room+0x8f/0xb0 [ 51.526402] __process_echoes+0x203/0x790 [ 51.530545] n_tty_receive_buf_common+0x75b/0x29a0 [ 51.535460] ? ldsem_wake+0x40/0x40 [ 51.539076] n_tty_receive_buf+0xc/0xe [ 51.542940] tty_ioctl+0x630/0x1270 [ 51.546561] ? avc_ss_reset+0xe0/0xe0 [ 51.550340] ? tty_vhangup+0x20/0x20 [ 51.554069] ? get_pid_task+0x8b/0x100 [ 51.557953] ? proc_fail_nth_write+0xd6/0x160 [ 51.562438] ? proc_cwd_link+0x1a0/0x1a0 [ 51.566504] ? __fdget_pos+0x8e/0xc0 [ 51.570219] ? trace_hardirqs_on+0x10/0x10 [ 51.574443] ? __vfs_write+0xde/0x850 [ 51.578232] ? __might_sleep+0x93/0xb0 [ 51.582103] do_vfs_ioctl+0x183/0xfc0 [ 51.585897] ? __fget+0x1ad/0x2f0 [ 51.589333] ? ioctl_preallocate+0x1a0/0x1a0 [ 51.593742] ? __fget+0x1ca/0x2f0 [ 51.597180] ? security_file_ioctl+0x70/0xa0 [ 51.601568] ? selinux_file_mprotect+0x630/0x630 [ 51.606416] ? security_file_ioctl+0x70/0xa0 [ 51.610839] SyS_ioctl+0x74/0x80 [ 51.614198] ? do_vfs_ioctl+0xfc0/0xfc0 [ 51.618242] do_syscall_64+0x1c9/0x5b0 [ 51.622112] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.626943] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.632371] RIP: 0033:0x458c29 [ 51.635648] RSP: 002b:00007fa50497cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.643330] RAX: ffffffffffffffda RBX: 00007fa50497cc90 RCX: 0000000000458c29 [ 51.650593] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.657846] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.665291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa50497d6d4 2020/03/30 05:33:31 executed programs: 20 [ 51.672574] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 51.683482] CPU: 1 PID: 7076 Comm: syz-executor.1 Not tainted 4.14.174-syzkaller #0 [ 51.691324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.700765] Call Trace: [ 51.703355] dump_stack+0xf7/0x13b [ 51.706902] should_fail.cold.3+0x105/0x14b [ 51.711228] should_failslab+0xba/0xf0 [ 51.715145] __kmalloc+0x70/0x7b0 [ 51.718608] ? __tty_buffer_request_room+0x191/0x620 [ 51.723719] __tty_buffer_request_room+0x191/0x620 [ 51.728679] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 51.734223] pty_write+0xf3/0x200 [ 51.737678] tty_put_char+0xff/0x120 [ 51.739295] FAULT_INJECTION: forcing a failure. [ 51.739295] name failslab, interval 1, probability 0, space 0, times 0 [ 51.741389] ? dev_match_devt+0x90/0x90 [ 51.756510] ? pty_write_room+0x8f/0xb0 [ 51.760465] __process_echoes+0x203/0x790 [ 51.764602] n_tty_receive_buf_common+0x75b/0x29a0 [ 51.769507] ? ldsem_wake+0x40/0x40 [ 51.773208] n_tty_receive_buf+0xc/0xe [ 51.777083] tty_ioctl+0x630/0x1270 [ 51.780841] ? avc_ss_reset+0xe0/0xe0 [ 51.784636] ? tty_vhangup+0x20/0x20 [ 51.788342] ? get_pid_task+0x8b/0x100 [ 51.792270] ? proc_fail_nth_write+0xd6/0x160 [ 51.796781] ? proc_cwd_link+0x1a0/0x1a0 [ 51.800847] ? __fdget_pos+0x8e/0xc0 [ 51.804542] ? trace_hardirqs_on+0x10/0x10 [ 51.808766] ? __vfs_write+0xde/0x850 [ 51.812561] ? __might_sleep+0x93/0xb0 [ 51.816426] do_vfs_ioctl+0x183/0xfc0 [ 51.820204] ? __fget+0x1ad/0x2f0 [ 51.823646] ? ioctl_preallocate+0x1a0/0x1a0 [ 51.828032] ? __fget+0x1ca/0x2f0 [ 51.831471] ? security_file_ioctl+0x70/0xa0 [ 51.835875] ? selinux_file_mprotect+0x630/0x630 [ 51.840606] ? security_file_ioctl+0x70/0xa0 [ 51.845089] SyS_ioctl+0x74/0x80 [ 51.848431] ? do_vfs_ioctl+0xfc0/0xfc0 [ 51.852382] do_syscall_64+0x1c9/0x5b0 [ 51.856253] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.861077] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.866246] RIP: 0033:0x458c29 [ 51.869423] RSP: 002b:00007fe29136ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.877110] RAX: ffffffffffffffda RBX: 00007fe29136ac90 RCX: 0000000000458c29 [ 51.884361] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.891632] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.898907] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe29136b6d4 [ 51.906179] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 51.913459] CPU: 0 PID: 7094 Comm: syz-executor.4 Not tainted 4.14.174-syzkaller #0 [ 51.921268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.930620] Call Trace: [ 51.933210] dump_stack+0xf7/0x13b [ 51.937809] should_fail.cold.3+0x105/0x14b [ 51.942136] should_failslab+0xba/0xf0 [ 51.946028] __kmalloc+0x70/0x7b0 [ 51.949752] ? __tty_buffer_request_room+0x191/0x620 [ 51.954858] __tty_buffer_request_room+0x191/0x620 [ 51.959794] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 51.965335] pty_write+0xf3/0x200 [ 51.969265] tty_put_char+0xff/0x120 [ 51.972975] ? dev_match_devt+0x90/0x90 [ 51.976963] ? pty_write_room+0x8f/0xb0 [ 51.981090] __process_echoes+0x203/0x790 [ 51.985517] n_tty_receive_buf_common+0x75b/0x29a0 [ 51.990456] ? ldsem_wake+0x40/0x40 [ 51.994129] n_tty_receive_buf+0xc/0xe [ 51.998011] tty_ioctl+0x630/0x1270 [ 52.001634] ? avc_ss_reset+0xe0/0xe0 [ 52.005434] ? tty_vhangup+0x20/0x20 [ 52.009148] ? get_pid_task+0x8b/0x100 [ 52.013040] ? proc_fail_nth_write+0xd6/0x160 [ 52.016553] FAULT_INJECTION: forcing a failure. [ 52.016553] name failslab, interval 1, probability 0, space 0, times 0 [ 52.017549] ? proc_cwd_link+0x1a0/0x1a0 [ 52.032862] ? __fdget_pos+0x8e/0xc0 [ 52.036567] ? trace_hardirqs_on+0x10/0x10 [ 52.040836] ? __vfs_write+0xde/0x850 [ 52.044623] ? __might_sleep+0x93/0xb0 [ 52.048492] do_vfs_ioctl+0x183/0xfc0 [ 52.052281] ? __fget+0x1ad/0x2f0 [ 52.055721] ? ioctl_preallocate+0x1a0/0x1a0 [ 52.060110] ? __fget+0x1ca/0x2f0 [ 52.063546] ? security_file_ioctl+0x70/0xa0 [ 52.067942] ? selinux_file_mprotect+0x630/0x630 [ 52.072684] ? security_file_ioctl+0x70/0xa0 [ 52.077073] SyS_ioctl+0x74/0x80 [ 52.080416] ? do_vfs_ioctl+0xfc0/0xfc0 [ 52.084376] do_syscall_64+0x1c9/0x5b0 [ 52.088251] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.093076] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.098247] RIP: 0033:0x458c29 [ 52.101414] RSP: 002b:00007f1b12ebbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.109102] RAX: ffffffffffffffda RBX: 00007f1b12ebbc90 RCX: 0000000000458c29 [ 52.116384] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.123651] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.130910] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b12ebc6d4 [ 52.138170] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 52.145430] CPU: 1 PID: 7103 Comm: syz-executor.2 Not tainted 4.14.174-syzkaller #0 [ 52.153094] FAULT_INJECTION: forcing a failure. [ 52.153094] name failslab, interval 1, probability 0, space 0, times 0 [ 52.153226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.173828] Call Trace: [ 52.176399] dump_stack+0xf7/0x13b [ 52.179921] should_fail.cold.3+0x105/0x14b [ 52.184222] should_failslab+0xba/0xf0 [ 52.188113] __kmalloc+0x70/0x7b0 [ 52.191544] ? __tty_buffer_request_room+0x191/0x620 [ 52.196820] __tty_buffer_request_room+0x191/0x620 [ 52.201746] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 52.207269] pty_write+0xf3/0x200 [ 52.210702] tty_put_char+0xff/0x120 [ 52.214398] ? dev_match_devt+0x90/0x90 [ 52.218350] ? pty_write_room+0x8f/0xb0 [ 52.222303] __process_echoes+0x203/0x790 [ 52.226428] n_tty_receive_buf_common+0x75b/0x29a0 [ 52.231340] ? ldsem_wake+0x40/0x40 [ 52.234947] n_tty_receive_buf+0xc/0xe [ 52.238811] tty_ioctl+0x630/0x1270 [ 52.242415] ? avc_ss_reset+0xe0/0xe0 [ 52.246192] ? tty_vhangup+0x20/0x20 [ 52.249888] ? get_pid_task+0x8b/0x100 [ 52.253759] ? proc_fail_nth_write+0xd6/0x160 [ 52.258230] ? proc_cwd_link+0x1a0/0x1a0 [ 52.262266] ? __fdget_pos+0x8e/0xc0 [ 52.265959] ? trace_hardirqs_on+0x10/0x10 [ 52.270175] ? __vfs_write+0xde/0x850 [ 52.273955] ? __might_sleep+0x93/0xb0 [ 52.277823] do_vfs_ioctl+0x183/0xfc0 [ 52.281599] ? __fget+0x1ad/0x2f0 [ 52.285028] ? ioctl_preallocate+0x1a0/0x1a0 [ 52.289950] ? __fget+0x1ca/0x2f0 [ 52.293385] ? security_file_ioctl+0x70/0xa0 [ 52.297966] ? selinux_file_mprotect+0x630/0x630 [ 52.302704] ? security_file_ioctl+0x70/0xa0 [ 52.307145] SyS_ioctl+0x74/0x80 [ 52.310491] ? do_vfs_ioctl+0xfc0/0xfc0 [ 52.314464] do_syscall_64+0x1c9/0x5b0 [ 52.318342] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.323189] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.328369] RIP: 0033:0x458c29 [ 52.331541] RSP: 002b:00007fc9ce1cac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.339227] RAX: ffffffffffffffda RBX: 00007fc9ce1cac90 RCX: 0000000000458c29 [ 52.346476] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.353734] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.360989] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9ce1cb6d4 [ 52.368419] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 52.375678] CPU: 0 PID: 7095 Comm: syz-executor.5 Not tainted 4.14.174-syzkaller #0 [ 52.383479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.392835] Call Trace: [ 52.395432] dump_stack+0xf7/0x13b [ 52.398977] should_fail.cold.3+0x105/0x14b [ 52.403311] should_failslab+0xba/0xf0 [ 52.407327] __kmalloc+0x70/0x7b0 [ 52.410795] ? __tty_buffer_request_room+0x191/0x620 [ 52.415906] __tty_buffer_request_room+0x191/0x620 [ 52.420839] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 52.426511] pty_write+0xf3/0x200 [ 52.429160] FAULT_INJECTION: forcing a failure. [ 52.429160] name failslab, interval 1, probability 0, space 0, times 0 [ 52.430003] tty_put_char+0xff/0x120 [ 52.445846] ? dev_match_devt+0x90/0x90 [ 52.450215] ? pty_write_room+0x8f/0xb0 [ 52.454177] __process_echoes+0x203/0x790 [ 52.458336] n_tty_receive_buf_common+0x75b/0x29a0 [ 52.463356] ? ldsem_wake+0x40/0x40 [ 52.466978] n_tty_receive_buf+0xc/0xe [ 52.470843] tty_ioctl+0x630/0x1270 [ 52.474471] ? avc_ss_reset+0xe0/0xe0 [ 52.478269] ? tty_vhangup+0x20/0x20 [ 52.482048] ? get_pid_task+0x8b/0x100 [ 52.485912] ? proc_fail_nth_write+0xd6/0x160 [ 52.490384] ? proc_cwd_link+0x1a0/0x1a0 [ 52.494431] ? __fdget_pos+0x8e/0xc0 [ 52.498121] ? trace_hardirqs_on+0x10/0x10 [ 52.502348] ? __vfs_write+0xde/0x850 [ 52.506133] ? __might_sleep+0x93/0xb0 [ 52.509997] do_vfs_ioctl+0x183/0xfc0 [ 52.515079] ? __fget+0x1ad/0x2f0 [ 52.518507] ? ioctl_preallocate+0x1a0/0x1a0 [ 52.522906] ? __fget+0x1ca/0x2f0 [ 52.526433] ? security_file_ioctl+0x70/0xa0 [ 52.530994] ? selinux_file_mprotect+0x630/0x630 [ 52.535740] ? security_file_ioctl+0x70/0xa0 [ 52.540142] SyS_ioctl+0x74/0x80 [ 52.543485] ? do_vfs_ioctl+0xfc0/0xfc0 [ 52.547465] do_syscall_64+0x1c9/0x5b0 [ 52.551337] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.556194] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.561376] RIP: 0033:0x458c29 [ 52.564548] RSP: 002b:00007fa50497cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.572348] RAX: ffffffffffffffda RBX: 00007fa50497cc90 RCX: 0000000000458c29 [ 52.579695] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.586956] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.594221] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa50497d6d4 [ 52.601475] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 52.608776] CPU: 1 PID: 7102 Comm: syz-executor.1 Not tainted 4.14.174-syzkaller #0 [ 52.614921] FAULT_INJECTION: forcing a failure. [ 52.614921] name failslab, interval 1, probability 0, space 0, times 0 [ 52.616625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.637321] Call Trace: [ 52.639896] dump_stack+0xf7/0x13b [ 52.643439] should_fail.cold.3+0x105/0x14b [ 52.647770] should_failslab+0xba/0xf0 [ 52.651654] __kmalloc+0x70/0x7b0 [ 52.655139] ? __tty_buffer_request_room+0x191/0x620 [ 52.660232] __tty_buffer_request_room+0x191/0x620 [ 52.665150] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 52.670696] pty_write+0xf3/0x200 [ 52.674151] tty_put_char+0xff/0x120 [ 52.677847] ? dev_match_devt+0x90/0x90 [ 52.682165] ? pty_write_room+0x8f/0xb0 [ 52.686121] __process_echoes+0x203/0x790 [ 52.690253] n_tty_receive_buf_common+0x75b/0x29a0 [ 52.695310] ? ldsem_wake+0x40/0x40 [ 52.698931] n_tty_receive_buf+0xc/0xe [ 52.702800] tty_ioctl+0x630/0x1270 [ 52.706406] ? avc_ss_reset+0xe0/0xe0 [ 52.710188] ? tty_vhangup+0x20/0x20 [ 52.713883] ? get_pid_task+0x8b/0x100 [ 52.717947] ? proc_fail_nth_write+0xd6/0x160 [ 52.722434] ? proc_cwd_link+0x1a0/0x1a0 [ 52.726672] ? __fdget_pos+0x8e/0xc0 [ 52.730372] ? trace_hardirqs_on+0x10/0x10 [ 52.734599] ? __vfs_write+0xde/0x850 [ 52.738385] ? __might_sleep+0x93/0xb0 [ 52.742264] do_vfs_ioctl+0x183/0xfc0 [ 52.746214] ? __fget+0x1ad/0x2f0 [ 52.749654] ? ioctl_preallocate+0x1a0/0x1a0 [ 52.754045] ? __fget+0x1ca/0x2f0 [ 52.757475] ? security_file_ioctl+0x70/0xa0 [ 52.761866] ? selinux_file_mprotect+0x630/0x630 [ 52.766598] ? security_file_ioctl+0x70/0xa0 [ 52.770998] SyS_ioctl+0x74/0x80 [ 52.774354] ? do_vfs_ioctl+0xfc0/0xfc0 [ 52.778309] do_syscall_64+0x1c9/0x5b0 [ 52.782187] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.787121] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.792306] RIP: 0033:0x458c29 [ 52.795485] RSP: 002b:00007fe29136ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 52.803179] RAX: ffffffffffffffda RBX: 00007fe29136ac90 RCX: 0000000000458c29 [ 52.810445] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.817708] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 52.824967] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe29136b6d4 [ 52.832231] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 52.839497] CPU: 0 PID: 7110 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 [ 52.847297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.856650] Call Trace: [ 52.859255] dump_stack+0xf7/0x13b [ 52.862794] should_fail.cold.3+0x105/0x14b [ 52.867235] should_failslab+0xba/0xf0 [ 52.871123] __kmalloc+0x70/0x7b0 [ 52.874584] ? __tty_buffer_request_room+0x191/0x620 [ 52.879685] __tty_buffer_request_room+0x191/0x620 [ 52.880336] FAULT_INJECTION: forcing a failure. [ 52.880336] name failslab, interval 1, probability 0, space 0, times 0 [ 52.884607] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 52.901311] pty_write+0xf3/0x200 [ 52.904755] tty_put_char+0xff/0x120 [ 52.908447] ? dev_match_devt+0x90/0x90 [ 52.912407] ? pty_write_room+0x8f/0xb0 [ 52.916357] __process_echoes+0x203/0x790 [ 52.920503] n_tty_receive_buf_common+0x75b/0x29a0 [ 52.925417] ? ldsem_wake+0x40/0x40 [ 52.929028] n_tty_receive_buf+0xc/0xe [ 52.932891] tty_ioctl+0x630/0x1270 [ 52.936495] ? avc_ss_reset+0xe0/0xe0 [ 52.940274] ? tty_vhangup+0x20/0x20 [ 52.943975] ? get_pid_task+0x8b/0x100 [ 52.947850] ? proc_fail_nth_write+0xd6/0x160 [ 52.952322] ? proc_cwd_link+0x1a0/0x1a0 [ 52.956382] ? __fdget_pos+0x8e/0xc0 [ 52.960079] ? trace_hardirqs_on+0x10/0x10 [ 52.964413] ? __vfs_write+0xde/0x850 [ 52.968207] ? __might_sleep+0x93/0xb0 [ 52.972091] do_vfs_ioctl+0x183/0xfc0 [ 52.976242] ? __fget+0x1ad/0x2f0 [ 52.979680] ? ioctl_preallocate+0x1a0/0x1a0 [ 52.984067] ? __fget+0x1ca/0x2f0 [ 52.987510] ? security_file_ioctl+0x70/0xa0 [ 52.991903] ? selinux_file_mprotect+0x630/0x630 [ 52.996661] ? security_file_ioctl+0x70/0xa0 [ 53.001059] SyS_ioctl+0x74/0x80 [ 53.004409] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.008370] do_syscall_64+0x1c9/0x5b0 [ 53.012235] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.017058] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.022223] RIP: 0033:0x458c29 [ 53.026095] RSP: 002b:00007fd674cb2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.033780] RAX: ffffffffffffffda RBX: 00007fd674cb2c90 RCX: 0000000000458c29 [ 53.041031] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.048290] RBP: 000000000073bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 53.055666] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd674cb36d4 [ 53.062919] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.070388] CPU: 1 PID: 7117 Comm: syz-executor.2 Not tainted 4.14.174-syzkaller #0 [ 53.078191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.087543] Call Trace: [ 53.090132] dump_stack+0xf7/0x13b [ 53.090274] FAULT_INJECTION: forcing a failure. [ 53.090274] name failslab, interval 1, probability 0, space 0, times 0 [ 53.093669] should_fail.cold.3+0x105/0x14b [ 53.109169] should_failslab+0xba/0xf0 [ 53.113049] __kmalloc+0x70/0x7b0 [ 53.116479] ? __tty_buffer_request_room+0x191/0x620 [ 53.121567] __tty_buffer_request_room+0x191/0x620 [ 53.126485] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.132001] pty_write+0xf3/0x200 [ 53.135434] tty_put_char+0xff/0x120 [ 53.139128] ? dev_match_devt+0x90/0x90 [ 53.143079] ? pty_write_room+0x8f/0xb0 [ 53.147033] __process_echoes+0x203/0x790 [ 53.151174] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.156077] ? ldsem_wake+0x40/0x40 [ 53.159688] n_tty_receive_buf+0xc/0xe [ 53.163553] tty_ioctl+0x630/0x1270 [ 53.167158] ? avc_ss_reset+0xe0/0xe0 [ 53.170936] ? tty_vhangup+0x20/0x20 [ 53.174624] ? get_pid_task+0x8b/0x100 [ 53.178497] ? proc_fail_nth_write+0xd6/0x160 [ 53.182969] ? proc_cwd_link+0x1a0/0x1a0 [ 53.187009] ? __fdget_pos+0x8e/0xc0 [ 53.190703] ? trace_hardirqs_on+0x10/0x10 [ 53.194932] ? __vfs_write+0xde/0x850 [ 53.198726] ? __might_sleep+0x93/0xb0 [ 53.202597] do_vfs_ioctl+0x183/0xfc0 [ 53.206895] ? __fget+0x1ad/0x2f0 [ 53.210324] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.214721] ? __fget+0x1ca/0x2f0 [ 53.218174] ? security_file_ioctl+0x70/0xa0 [ 53.222569] ? selinux_file_mprotect+0x630/0x630 [ 53.227302] ? security_file_ioctl+0x70/0xa0 [ 53.231689] SyS_ioctl+0x74/0x80 [ 53.235031] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.238982] do_syscall_64+0x1c9/0x5b0 [ 53.242844] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.247850] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.253018] RIP: 0033:0x458c29 [ 53.256272] RSP: 002b:00007fc9ce1cac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.263966] RAX: ffffffffffffffda RBX: 00007fc9ce1cac90 RCX: 0000000000458c29 [ 53.271217] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.278473] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.286079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9ce1cb6d4 [ 53.293328] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.300587] CPU: 0 PID: 7121 Comm: syz-executor.4 Not tainted 4.14.174-syzkaller #0 [ 53.308405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.318188] Call Trace: [ 53.320787] dump_stack+0xf7/0x13b [ 53.324332] should_fail.cold.3+0x105/0x14b [ 53.328660] should_failslab+0xba/0xf0 [ 53.332568] __kmalloc+0x70/0x7b0 [ 53.336041] ? __tty_buffer_request_room+0x191/0x620 [ 53.341147] __tty_buffer_request_room+0x191/0x620 [ 53.346125] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.348910] FAULT_INJECTION: forcing a failure. [ 53.348910] name failslab, interval 1, probability 0, space 0, times 0 [ 53.351678] pty_write+0xf3/0x200 [ 53.366311] tty_put_char+0xff/0x120 [ 53.370020] ? dev_match_devt+0x90/0x90 [ 53.374005] ? pty_write_room+0x8f/0xb0 [ 53.377967] __process_echoes+0x203/0x790 [ 53.382111] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.387025] ? ldsem_wake+0x40/0x40 [ 53.390671] n_tty_receive_buf+0xc/0xe [ 53.394696] tty_ioctl+0x630/0x1270 [ 53.398309] ? avc_ss_reset+0xe0/0xe0 [ 53.402099] ? tty_vhangup+0x20/0x20 [ 53.405799] ? get_pid_task+0x8b/0x100 [ 53.409666] ? proc_fail_nth_write+0xd6/0x160 [ 53.414138] ? proc_cwd_link+0x1a0/0x1a0 [ 53.418176] ? __fdget_pos+0x8e/0xc0 [ 53.421880] ? trace_hardirqs_on+0x10/0x10 [ 53.426103] ? __vfs_write+0xde/0x850 [ 53.429893] ? __might_sleep+0x93/0xb0 [ 53.433770] do_vfs_ioctl+0x183/0xfc0 [ 53.437696] ? __fget+0x1ad/0x2f0 [ 53.441132] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.446056] ? __fget+0x1ca/0x2f0 [ 53.449492] ? security_file_ioctl+0x70/0xa0 [ 53.453878] ? selinux_file_mprotect+0x630/0x630 [ 53.458620] ? security_file_ioctl+0x70/0xa0 [ 53.463005] SyS_ioctl+0x74/0x80 [ 53.466355] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.470307] do_syscall_64+0x1c9/0x5b0 [ 53.474181] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.479014] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.484194] RIP: 0033:0x458c29 [ 53.487364] RSP: 002b:00007f1b12ebbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.495586] RAX: ffffffffffffffda RBX: 00007f1b12ebbc90 RCX: 0000000000458c29 [ 53.503153] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.510691] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.518398] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b12ebc6d4 [ 53.525961] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.533422] CPU: 1 PID: 7116 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0 [ 53.541447] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.550890] Call Trace: [ 53.553583] dump_stack+0xf7/0x13b [ 53.555888] FAULT_INJECTION: forcing a failure. [ 53.555888] name failslab, interval 1, probability 0, space 0, times 0 [ 53.557489] should_fail.cold.3+0x105/0x14b [ 53.573172] should_failslab+0xba/0xf0 [ 53.577047] __kmalloc+0x70/0x7b0 [ 53.580488] ? __tty_buffer_request_room+0x191/0x620 [ 53.585657] __tty_buffer_request_room+0x191/0x620 [ 53.590665] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.596307] pty_write+0xf3/0x200 [ 53.599922] tty_put_char+0xff/0x120 [ 53.603645] ? dev_match_devt+0x90/0x90 [ 53.607693] ? pty_write_room+0x8f/0xb0 [ 53.611649] __process_echoes+0x203/0x790 [ 53.615781] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.620887] ? ldsem_wake+0x40/0x40 [ 53.624525] n_tty_receive_buf+0xc/0xe [ 53.628422] tty_ioctl+0x630/0x1270 [ 53.632153] ? avc_ss_reset+0xe0/0xe0 [ 53.635962] ? tty_vhangup+0x20/0x20 [ 53.639697] ? get_pid_task+0x8b/0x100 [ 53.643603] ? proc_fail_nth_write+0xd6/0x160 [ 53.648436] ? proc_cwd_link+0x1a0/0x1a0 [ 53.652656] ? __fdget_pos+0x8e/0xc0 [ 53.656579] ? trace_hardirqs_on+0x10/0x10 [ 53.661138] ? __vfs_write+0xde/0x850 [ 53.665133] ? __might_sleep+0x93/0xb0 [ 53.669477] do_vfs_ioctl+0x183/0xfc0 [ 53.673384] ? __fget+0x1ad/0x2f0 [ 53.676837] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.681254] ? __fget+0x1ca/0x2f0 [ 53.684692] ? security_file_ioctl+0x70/0xa0 [ 53.689169] ? selinux_file_mprotect+0x630/0x630 [ 53.694087] ? security_file_ioctl+0x70/0xa0 [ 53.698491] SyS_ioctl+0x74/0x80 [ 53.702017] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.706469] do_syscall_64+0x1c9/0x5b0 [ 53.710370] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.715502] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.720846] RIP: 0033:0x458c29 [ 53.724030] RSP: 002b:00007fe0204d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.731848] RAX: ffffffffffffffda RBX: 00007fe0204d7c90 RCX: 0000000000458c29 [ 53.739487] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.746740] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.754229] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0204d86d4 [ 53.761617] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.768894] CPU: 0 PID: 7129 Comm: syz-executor.5 Not tainted 4.14.174-syzkaller #0 [ 53.776737] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.786099] Call Trace: [ 53.788703] dump_stack+0xf7/0x13b [ 53.793118] should_fail.cold.3+0x105/0x14b [ 53.798157] should_failslab+0xba/0xf0 [ 53.802381] __kmalloc+0x70/0x7b0 [ 53.805933] ? __tty_buffer_request_room+0x191/0x620 [ 53.811040] __tty_buffer_request_room+0x191/0x620 [ 53.816060] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.821698] pty_write+0xf3/0x200 [ 53.825154] tty_put_char+0xff/0x120 [ 53.828868] ? dev_match_devt+0x90/0x90 [ 53.832931] ? pty_write_room+0x8f/0xb0 [ 53.836911] __process_echoes+0x203/0x790 [ 53.841077] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.846018] ? ldsem_wake+0x40/0x40 [ 53.849652] n_tty_receive_buf+0xc/0xe [ 53.853911] tty_ioctl+0x630/0x1270 [ 53.857641] ? avc_ss_reset+0xe0/0xe0 [ 53.861441] ? tty_vhangup+0x20/0x20 [ 53.865153] ? get_pid_task+0x8b/0x100 [ 53.869042] ? proc_fail_nth_write+0xd6/0x160 [ 53.873538] ? proc_cwd_link+0x1a0/0x1a0 [ 53.877605] ? __fdget_pos+0x8e/0xc0 [ 53.881325] ? trace_hardirqs_on+0x10/0x10 [ 53.885562] ? __vfs_write+0xde/0x850 [ 53.889365] ? __might_sleep+0x93/0xb0 [ 53.893370] do_vfs_ioctl+0x183/0xfc0 [ 53.895377] FAULT_INJECTION: forcing a failure. [ 53.895377] name failslab, interval 1, probability 0, space 0, times 0 [ 53.897174] ? __fget+0x1ad/0x2f0 [ 53.911975] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.916365] ? __fget+0x1ca/0x2f0 [ 53.919834] ? security_file_ioctl+0x70/0xa0 [ 53.924300] ? selinux_file_mprotect+0x630/0x630 [ 53.929063] ? security_file_ioctl+0x70/0xa0 [ 53.933605] SyS_ioctl+0x74/0x80 [ 53.937091] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.941238] do_syscall_64+0x1c9/0x5b0 [ 53.945136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.949996] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.955291] RIP: 0033:0x458c29 [ 53.958476] RSP: 002b:00007fa50497cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.966164] RAX: ffffffffffffffda RBX: 00007fa50497cc90 RCX: 0000000000458c29 [ 53.973500] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.980772] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.988021] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa50497d6d4 [ 53.995367] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.002631] CPU: 1 PID: 7130 Comm: syz-executor.4 Not tainted 4.14.174-syzkaller #0 [ 54.010439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.018016] FAULT_INJECTION: forcing a failure. [ 54.018016] name failslab, interval 1, probability 0, space 0, times 0 [ 54.019796] Call Trace: [ 54.034482] dump_stack+0xf7/0x13b [ 54.038166] should_fail.cold.3+0x105/0x14b [ 54.042483] should_failslab+0xba/0xf0 [ 54.046446] __kmalloc+0x70/0x7b0 [ 54.049895] ? __tty_buffer_request_room+0x191/0x620 [ 54.054998] __tty_buffer_request_room+0x191/0x620 [ 54.060116] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.065868] pty_write+0xf3/0x200 [ 54.069318] tty_put_char+0xff/0x120 [ 54.073012] ? dev_match_devt+0x90/0x90 [ 54.077032] ? pty_write_room+0x8f/0xb0 [ 54.081065] __process_echoes+0x203/0x790 [ 54.085231] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.090232] ? ldsem_wake+0x40/0x40 [ 54.093844] n_tty_receive_buf+0xc/0xe [ 54.097735] tty_ioctl+0x630/0x1270 [ 54.101447] ? avc_ss_reset+0xe0/0xe0 [ 54.105258] ? tty_vhangup+0x20/0x20 [ 54.108952] ? get_pid_task+0x8b/0x100 [ 54.112819] ? proc_fail_nth_write+0xd6/0x160 [ 54.117292] ? proc_cwd_link+0x1a0/0x1a0 [ 54.121420] ? __fdget_pos+0x8e/0xc0 [ 54.125213] ? trace_hardirqs_on+0x10/0x10 [ 54.129452] ? __vfs_write+0xde/0x850 [ 54.133257] ? __might_sleep+0x93/0xb0 [ 54.137142] do_vfs_ioctl+0x183/0xfc0 [ 54.141041] ? __fget+0x1ad/0x2f0 [ 54.144592] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.148983] ? __fget+0x1ca/0x2f0 [ 54.152423] ? security_file_ioctl+0x70/0xa0 [ 54.156811] ? selinux_file_mprotect+0x630/0x630 [ 54.161568] ? security_file_ioctl+0x70/0xa0 [ 54.166060] SyS_ioctl+0x74/0x80 [ 54.169404] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.173372] do_syscall_64+0x1c9/0x5b0 [ 54.177260] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.182094] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.187381] RIP: 0033:0x458c29 [ 54.190637] RSP: 002b:00007f1b12ebbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.198510] RAX: ffffffffffffffda RBX: 00007f1b12ebbc90 RCX: 0000000000458c29 [ 54.205766] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.213452] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.220889] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1b12ebc6d4 [ 54.228239] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.235981] CPU: 0 PID: 7141 Comm: syz-executor.1 Not tainted 4.14.174-syzkaller #0 [ 54.243904] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.253262] Call Trace: [ 54.256044] dump_stack+0xf7/0x13b [ 54.259596] should_fail.cold.3+0x105/0x14b [ 54.263937] should_failslab+0xba/0xf0 [ 54.267843] __kmalloc+0x70/0x7b0 [ 54.271306] ? __tty_buffer_request_room+0x191/0x620 [ 54.276447] __tty_buffer_request_room+0x191/0x620 [ 54.281391] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.286948] pty_write+0xf3/0x200 [ 54.290984] tty_put_char+0xff/0x120 [ 54.294794] ? dev_match_devt+0x90/0x90 [ 54.298679] FAULT_INJECTION: forcing a failure. [ 54.298679] name failslab, interval 1, probability 0, space 0, times 0 [ 54.298789] ? pty_write_room+0x8f/0xb0 [ 54.314034] __process_echoes+0x203/0x790 [ 54.318522] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.323605] ? ldsem_wake+0x40/0x40 [ 54.327228] n_tty_receive_buf+0xc/0xe [ 54.331180] tty_ioctl+0x630/0x1270 [ 54.334900] ? avc_ss_reset+0xe0/0xe0 [ 54.338889] ? tty_vhangup+0x20/0x20 [ 54.342598] ? get_pid_task+0x8b/0x100 [ 54.346572] ? proc_fail_nth_write+0xd6/0x160 [ 54.351915] ? proc_cwd_link+0x1a0/0x1a0 [ 54.355955] ? __fdget_pos+0x8e/0xc0 [ 54.359665] ? trace_hardirqs_on+0x10/0x10 [ 54.363903] ? __vfs_write+0xde/0x850 [ 54.367687] ? __might_sleep+0x93/0xb0 [ 54.371571] do_vfs_ioctl+0x183/0xfc0 [ 54.375540] ? __fget+0x1ad/0x2f0 [ 54.378973] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.383464] ? __fget+0x1ca/0x2f0 [ 54.386900] ? security_file_ioctl+0x70/0xa0 [ 54.391298] ? selinux_file_mprotect+0x630/0x630 [ 54.396032] ? security_file_ioctl+0x70/0xa0 [ 54.400506] SyS_ioctl+0x74/0x80 [ 54.403865] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.407833] do_syscall_64+0x1c9/0x5b0 [ 54.411823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.416648] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.421911] RIP: 0033:0x458c29 [ 54.425343] RSP: 002b:00007fe29136ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.433313] RAX: ffffffffffffffda RBX: 00007fe29136ac90 RCX: 0000000000458c29 [ 54.440755] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.448019] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.455449] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe29136b6d4 [ 54.462864] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.470147] CPU: 1 PID: 7140 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 [ 54.473710] FAULT_INJECTION: forcing a failure. [ 54.473710] name failslab, interval 1, probability 0, space 0, times 0 [ 54.477962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.498586] Call Trace: [ 54.501332] dump_stack+0xf7/0x13b [ 54.504958] should_fail.cold.3+0x105/0x14b [ 54.509281] should_failslab+0xba/0xf0 [ 54.513336] __kmalloc+0x70/0x7b0 [ 54.516782] ? __tty_buffer_request_room+0x191/0x620 [ 54.521884] __tty_buffer_request_room+0x191/0x620 [ 54.526798] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.532314] pty_write+0xf3/0x200 [ 54.535764] tty_put_char+0xff/0x120 [ 54.539456] ? dev_match_devt+0x90/0x90 [ 54.543413] ? pty_write_room+0x8f/0xb0 [ 54.547391] __process_echoes+0x203/0x790 [ 54.551525] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.556528] ? ldsem_wake+0x40/0x40 [ 54.560144] n_tty_receive_buf+0xc/0xe [ 54.564009] tty_ioctl+0x630/0x1270 [ 54.567621] ? avc_ss_reset+0xe0/0xe0 [ 54.571498] ? tty_vhangup+0x20/0x20 [ 54.575251] ? get_pid_task+0x8b/0x100 [ 54.579220] ? proc_fail_nth_write+0xd6/0x160 [ 54.583818] ? proc_cwd_link+0x1a0/0x1a0 [ 54.587884] ? __fdget_pos+0x8e/0xc0 [ 54.591591] ? trace_hardirqs_on+0x10/0x10 [ 54.595842] ? __vfs_write+0xde/0x850 [ 54.599646] ? __might_sleep+0x93/0xb0 [ 54.603796] do_vfs_ioctl+0x183/0xfc0 [ 54.607594] ? __fget+0x1ad/0x2f0 [ 54.611132] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.615640] ? __fget+0x1ca/0x2f0 [ 54.619077] ? security_file_ioctl+0x70/0xa0 [ 54.623473] ? selinux_file_mprotect+0x630/0x630 [ 54.628219] ? security_file_ioctl+0x70/0xa0 [ 54.632720] SyS_ioctl+0x74/0x80 [ 54.636078] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.640119] do_syscall_64+0x1c9/0x5b0 [ 54.643988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.648827] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.653994] RIP: 0033:0x458c29 [ 54.657189] RSP: 002b:00007fd674cd3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.664878] RAX: ffffffffffffffda RBX: 00007fd674cd3c90 RCX: 0000000000458c29 [ 54.672175] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.679439] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.686715] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd674cd46d4 [ 54.693989] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.701265] CPU: 0 PID: 7142 Comm: syz-executor.2 Not tainted 4.14.174-syzkaller #0 [ 54.709200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.718551] Call Trace: [ 54.721139] dump_stack+0xf7/0x13b [ 54.724686] should_fail.cold.3+0x105/0x14b [ 54.729184] should_failslab+0xba/0xf0 [ 54.733094] __kmalloc+0x70/0x7b0 [ 54.736555] ? __tty_buffer_request_room+0x191/0x620 [ 54.741655] __tty_buffer_request_room+0x191/0x620 [ 54.746584] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.750790] FAULT_INJECTION: forcing a failure. [ 54.750790] name failslab, interval 1, probability 0, space 0, times 0 [ 54.752138] pty_write+0xf3/0x200 [ 54.766917] tty_put_char+0xff/0x120 [ 54.770638] ? dev_match_devt+0x90/0x90 [ 54.774601] ? pty_write_room+0x8f/0xb0 [ 54.778788] __process_echoes+0x203/0x790 [ 54.782927] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.787873] ? ldsem_wake+0x40/0x40 [ 54.791597] n_tty_receive_buf+0xc/0xe [ 54.795466] tty_ioctl+0x630/0x1270 [ 54.799102] ? avc_ss_reset+0xe0/0xe0 [ 54.802900] ? tty_vhangup+0x20/0x20 [ 54.806618] ? get_pid_task+0x8b/0x100 [ 54.810506] ? proc_fail_nth_write+0xd6/0x160 [ 54.815106] ? proc_cwd_link+0x1a0/0x1a0 [ 54.819320] ? __fdget_pos+0x8e/0xc0 [ 54.823020] ? trace_hardirqs_on+0x10/0x10 [ 54.827234] ? __vfs_write+0xde/0x850 [ 54.831167] ? __might_sleep+0x93/0xb0 [ 54.835174] do_vfs_ioctl+0x183/0xfc0 [ 54.839067] ? __fget+0x1ad/0x2f0 [ 54.842506] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.846936] ? __fget+0x1ca/0x2f0 [ 54.850465] ? security_file_ioctl+0x70/0xa0 [ 54.854897] ? selinux_file_mprotect+0x630/0x630 [ 54.859660] ? security_file_ioctl+0x70/0xa0 [ 54.864065] SyS_ioctl+0x74/0x80 [ 54.867436] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.871557] do_syscall_64+0x1c9/0x5b0 [ 54.875448] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.880293] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.885469] RIP: 0033:0x458c29 [ 54.888662] RSP: 002b:00007fc9ce1cac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.896471] RAX: ffffffffffffffda RBX: 00007fc9ce1cac90 RCX: 0000000000458c29 [ 54.903734] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.910999] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.918395] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9ce1cb6d4 [ 54.925658] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.933044] CPU: 1 PID: 7145 Comm: syz-executor.3 Not tainted 4.14.174-syzkaller #0 [ 54.940924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.950412] Call Trace: [ 54.950816] FAULT_INJECTION: forcing a failure. [ 54.950816] name failslab, interval 1, probability 0, space 0, times 0 [ 54.953020] dump_stack+0xf7/0x13b [ 54.967711] should_fail.cold.3+0x105/0x14b [ 54.972026] should_failslab+0xba/0xf0 [ 54.978684] __kmalloc+0x70/0x7b0 [ 54.982117] ? __tty_buffer_request_room+0x191/0x620 [ 54.987198] __tty_buffer_request_room+0x191/0x620 [ 54.992109] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.997626] pty_write+0xf3/0x200 [ 55.001070] tty_put_char+0xff/0x120 [ 55.004898] ? dev_match_devt+0x90/0x90 [ 55.008861] ? pty_write_room+0x8f/0xb0 [ 55.012829] __process_echoes+0x203/0x790 [ 55.016980] n_tty_receive_buf_common+0x75b/0x29a0 [ 55.022790] ? ldsem_wake+0x40/0x40 [ 55.026513] n_tty_receive_buf+0xc/0xe [ 55.030388] tty_ioctl+0x630/0x1270 [ 55.034014] ? avc_ss_reset+0xe0/0xe0 [ 55.037795] ? tty_vhangup+0x20/0x20 [ 55.041497] ? get_pid_task+0x8b/0x100 [ 55.045455] ? proc_fail_nth_write+0xd6/0x160 [ 55.050279] ? proc_cwd_link+0x1a0/0x1a0 [ 55.054320] ? __fdget_pos+0x8e/0xc0 [ 55.058029] ? trace_hardirqs_on+0x10/0x10 [ 55.062512] ? __vfs_write+0xde/0x850 [ 55.066293] ? __might_sleep+0x93/0xb0 [ 55.070176] do_vfs_ioctl+0x183/0xfc0 [ 55.073964] ? __fget+0x1ad/0x2f0 [ 55.077842] ? ioctl_preallocate+0x1a0/0x1a0 [ 55.082595] ? __fget+0x1ca/0x2f0 [ 55.086041] ? security_file_ioctl+0x70/0xa0 [ 55.090428] ? selinux_file_mprotect+0x630/0x630 [ 55.095443] ? security_file_ioctl+0x70/0xa0 [ 55.099854] SyS_ioctl+0x74/0x80 [ 55.103209] ? do_vfs_ioctl+0xfc0/0xfc0 [ 55.107311] do_syscall_64+0x1c9/0x5b0 [ 55.111215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.116236] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.121589] RIP: 0033:0x458c29 [ 55.124764] RSP: 002b:00007fe0204d7c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.132456] RAX: ffffffffffffffda RBX: 00007fe0204d7c90 RCX: 0000000000458c29 [ 55.139721] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.146982] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.154243] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe0204d86d4 [ 55.161493] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 55.168768] CPU: 0 PID: 7149 Comm: syz-executor.5 Not tainted 4.14.174-syzkaller #0 [ 55.176665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.186104] Call Trace: [ 55.188705] dump_stack+0xf7/0x13b [ 55.192251] should_fail.cold.3+0x105/0x14b [ 55.196679] should_failslab+0xba/0xf0 [ 55.200691] __kmalloc+0x70/0x7b0 [ 55.204364] ? __tty_buffer_request_room+0x191/0x620 [ 55.209473] __tty_buffer_request_room+0x191/0x620 [ 55.214409] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 55.220209] pty_write+0xf3/0x200 [ 55.223702] tty_put_char+0xff/0x120 [ 55.227416] ? dev_match_devt+0x90/0x90 [ 55.231478] ? pty_write_room+0x8f/0xb0 [ 55.235463] __process_echoes+0x203/0x790 [ 55.239619] n_tty_receive_buf_common+0x75b/0x29a0 [ 55.244635] ? ldsem_wake+0x40/0x40 [ 55.248297] n_tty_receive_buf+0xc/0xe [ 55.252192] tty_ioctl+0x630/0x1270 [ 55.255818] ? avc_ss_reset+0xe0/0xe0 [ 55.259615] ? tty_vhangup+0x20/0x20 [ 55.263331] ? get_pid_task+0x8b/0x100 [ 55.267234] ? proc_fail_nth_write+0xd6/0x160 [ 55.271738] ? proc_cwd_link+0x1a0/0x1a0 [ 55.275897] ? __fdget_pos+0x8e/0xc0 [ 55.279632] ? trace_hardirqs_on+0x10/0x10 [ 55.283865] ? __vfs_write+0xde/0x850 [ 55.287691] ? __might_sleep+0x93/0xb0 [ 55.291579] do_vfs_ioctl+0x183/0xfc0 [ 55.295517] ? __fget+0x1ad/0x2f0 [ 55.298997] ? ioctl_preallocate+0x1a0/0x1a0 [ 55.303422] ? __fget+0x1ca/0x2f0 [ 55.306890] ? security_file_ioctl+0x70/0xa0 [ 55.311305] ? selinux_file_mprotect+0x630/0x630 [ 55.316069] ? security_file_ioctl+0x70/0xa0 [ 55.320489] SyS_ioctl+0x74/0x80 [ 55.323859] ? do_vfs_ioctl+0xfc0/0xfc0 [ 55.327855] do_syscall_64+0x1c9/0x5b0 [ 55.331812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.336851] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.338554] FAULT_INJECTION: forcing a failure. [ 55.338554] name failslab, interval 1, probability 0, space 0, times 0 [ 55.342036] RIP: 0033:0x458c29 [ 55.356487] RSP: 002b:00007fa50497cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.364199] RAX: ffffffffffffffda RBX: 00007fa50497cc90 RCX: 0000000000458c29 [ 55.371450] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.378704] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.386152] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa50497d6d4 [ 55.393489] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 55.400766] CPU: 1 PID: 7168 Comm: syz-executor.0 Not tainted 4.14.174-syzkaller #0 [ 55.408567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.410919] FAULT_INJECTION: forcing a failure. [ 55.410919] name failslab, interval 1, probability 0, space 0, times 0 [ 55.418092] Call Trace: [ 55.432060] dump_stack+0xf7/0x13b [ 55.435590] should_fail.cold.3+0x105/0x14b [ 55.439916] should_failslab+0xba/0xf0 [ 55.443795] __kmalloc+0x70/0x7b0 [ 55.447227] ? __tty_buffer_request_room+0x191/0x620 [ 55.452322] __tty_buffer_request_room+0x191/0x620 [ 55.457243] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 55.462954] pty_write+0xf3/0x200 [ 55.466389] tty_put_char+0xff/0x120 [ 55.470168] ? dev_match_devt+0x90/0x90 [ 55.474137] ? pty_write_room+0x8f/0xb0 [ 55.478130] __process_echoes+0x203/0x790 [ 55.482261] n_tty_receive_buf_common+0x75b/0x29a0 [ 55.487178] ? ldsem_wake+0x40/0x40 [ 55.490791] n_tty_receive_buf+0xc/0xe [ 55.494692] tty_ioctl+0x630/0x1270 [ 55.498313] ? avc_ss_reset+0xe0/0xe0 [ 55.502179] ? tty_vhangup+0x20/0x20 [ 55.505876] ? get_pid_task+0x8b/0x100 [ 55.509751] ? proc_fail_nth_write+0xd6/0x160 [ 55.514400] ? proc_cwd_link+0x1a0/0x1a0 [ 55.518441] ? __fdget_pos+0x8e/0xc0 [ 55.522135] ? trace_hardirqs_on+0x10/0x10 [ 55.526348] ? __vfs_write+0xde/0x850 [ 55.530216] ? __might_sleep+0x93/0xb0 [ 55.534452] do_vfs_ioctl+0x183/0xfc0 [ 55.538270] ? __fget+0x1ad/0x2f0