Warning: Permanently added '10.128.0.192' (ECDSA) to the list of known hosts. 2020/02/29 04:55:11 parsed 1 programs 2020/02/29 04:55:11 executed programs: 0 [ 50.804172] audit: type=1400 audit(1582952111.507:40): avc: denied { map } for pid=6796 comm="syz-execprog" path="/root/syzkaller-shm685058468" dev="sda1" ino=2233 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 51.080919] IPVS: ftp: loaded support on port[0] = 21 [ 51.815726] IPVS: ftp: loaded support on port[0] = 21 [ 51.860420] chnl_net:caif_netlink_parms(): no params data found [ 51.907021] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.914078] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.921204] device bridge_slave_0 entered promiscuous mode [ 51.932180] IPVS: ftp: loaded support on port[0] = 21 [ 51.948749] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.956177] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.963308] device bridge_slave_1 entered promiscuous mode [ 51.978112] chnl_net:caif_netlink_parms(): no params data found [ 52.008127] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.018662] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.051264] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.058456] team0: Port device team_slave_0 added [ 52.065718] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.072994] team0: Port device team_slave_1 added [ 52.078037] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.084617] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.091806] device bridge_slave_0 entered promiscuous mode [ 52.099947] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.106989] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.114122] device bridge_slave_1 entered promiscuous mode [ 52.120902] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.131330] IPVS: ftp: loaded support on port[0] = 21 [ 52.147509] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.158110] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.167070] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.242772] device hsr_slave_0 entered promiscuous mode [ 52.310309] device hsr_slave_1 entered promiscuous mode [ 52.363782] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.373253] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.380776] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.387993] team0: Port device team_slave_0 added [ 52.422508] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.429633] team0: Port device team_slave_1 added [ 52.436956] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.447598] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.461450] chnl_net:caif_netlink_parms(): no params data found [ 52.474254] IPVS: ftp: loaded support on port[0] = 21 [ 52.532948] device hsr_slave_0 entered promiscuous mode [ 52.570399] device hsr_slave_1 entered promiscuous mode [ 52.610650] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 52.623004] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.629636] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.636561] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.642930] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.652958] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 52.718904] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.725661] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.733003] device bridge_slave_0 entered promiscuous mode [ 52.739768] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.746333] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.753278] device bridge_slave_1 entered promiscuous mode [ 52.779565] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 52.788057] chnl_net:caif_netlink_parms(): no params data found [ 52.803063] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 52.814638] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.821219] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.827851] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.834227] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.888665] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 52.898633] team0: Port device team_slave_0 added [ 52.906912] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 52.915183] team0: Port device team_slave_1 added [ 52.915803] IPVS: ftp: loaded support on port[0] = 21 [ 52.939269] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.946224] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.953240] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.959976] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.968169] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 52.975496] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 52.990342] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.996721] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.004108] device bridge_slave_0 entered promiscuous mode [ 53.018008] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.032890] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.039274] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.046979] device bridge_slave_1 entered promiscuous mode [ 53.065242] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 53.074390] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 53.085286] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.131993] device hsr_slave_0 entered promiscuous mode [ 53.190336] device hsr_slave_1 entered promiscuous mode [ 53.243356] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 53.267325] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.274194] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 53.287673] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 53.294853] team0: Port device team_slave_0 added [ 53.302385] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 53.309471] team0: Port device team_slave_1 added [ 53.315426] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.323171] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.353297] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.359414] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.369862] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 53.377931] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 53.402599] chnl_net:caif_netlink_parms(): no params data found [ 53.414096] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.436079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.444592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.452298] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.458762] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.471442] 8021q: adding VLAN 0 to HW filter on device bond0 [ 53.480974] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.533233] device hsr_slave_0 entered promiscuous mode [ 53.580325] device hsr_slave_1 entered promiscuous mode [ 53.620703] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 53.627911] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 53.651732] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.659583] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.667291] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.673720] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.682624] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 53.692933] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 53.702838] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.711014] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 53.717231] 8021q: adding VLAN 0 to HW filter on device team0 [ 53.729106] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.738819] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 53.746077] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 53.753117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 53.763376] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 53.772573] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 53.779978] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 53.799360] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.823348] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 53.831529] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 53.839114] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.845489] bridge0: port 1(bridge_slave_0) entered forwarding state [ 53.855687] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.865954] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 53.873261] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.879710] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.886943] device bridge_slave_0 entered promiscuous mode [ 53.893846] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.900384] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.907316] device bridge_slave_1 entered promiscuous mode [ 53.914628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 53.922428] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 53.929993] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.936388] bridge0: port 2(bridge_slave_1) entered forwarding state [ 53.943280] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 53.951812] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 53.982508] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 53.990878] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.006502] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.015353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.023715] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.031561] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.044810] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.053842] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 54.068200] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.076082] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 54.084067] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.091918] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 54.102303] chnl_net:caif_netlink_parms(): no params data found [ 54.111627] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.120396] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.129305] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 54.139097] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.146761] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.154628] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 54.162355] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 54.179551] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.188057] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.196502] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 54.209646] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.217351] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.225204] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 54.232770] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 54.241624] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.247965] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.266607] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 54.279562] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 54.288514] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 54.296359] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.305596] team0: Port device team_slave_0 added [ 54.313005] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 54.319069] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 54.336613] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.344038] team0: Port device team_slave_1 added [ 54.363516] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.376295] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.385209] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.392336] device bridge_slave_0 entered promiscuous mode [ 54.399302] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.406590] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.413677] device bridge_slave_1 entered promiscuous mode [ 54.424164] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.430756] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.438643] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.449962] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.458229] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.467646] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.495861] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 54.504380] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.516100] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.525547] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.563403] device hsr_slave_0 entered promiscuous mode [ 54.610521] device hsr_slave_1 entered promiscuous mode [ 54.650945] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.658185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 54.665426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 54.676209] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 54.688430] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 54.694917] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.712650] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 54.719513] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.727297] team0: Port device team_slave_0 added [ 54.733414] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.740859] team0: Port device team_slave_1 added [ 54.746174] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 54.756190] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.767965] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 54.775720] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 54.791363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 54.799564] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 54.808177] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.814612] bridge0: port 1(bridge_slave_0) entered forwarding state [ 54.822932] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 54.834150] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.846001] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.849795] FAULT_INJECTION: forcing a failure. [ 54.849795] name failslab, interval 1, probability 0, space 0, times 1 [ 54.859755] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 54.863250] CPU: 1 PID: 6851 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 54.863252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.863254] Call Trace: [ 54.863264] dump_stack+0xf7/0x13b [ 54.863272] should_fail.cold.3+0x105/0x14b [ 54.863279] should_failslab+0xba/0xf0 [ 54.863285] __kmalloc+0x70/0x7b0 [ 54.863291] ? __lock_is_held+0xb5/0x140 [ 54.863296] ? __tty_buffer_request_room+0x191/0x620 [ 54.863304] ? n_tty_receive_buf_common+0x719/0x29a0 [ 54.888013] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 54.889209] __tty_buffer_request_room+0x191/0x620 [ 54.892933] 8021q: adding VLAN 0 to HW filter on device bond0 [ 54.897036] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.902921] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 54.904335] pty_write+0xf3/0x200 [ 54.909897] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 54.913468] tty_put_char+0xff/0x120 [ 54.913472] ? dev_match_devt+0x90/0x90 [ 54.913478] ? pty_write_room+0x8f/0xb0 [ 54.913482] __process_echoes+0x203/0x790 [ 54.913489] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.913492] ? ldsem_wake+0x40/0x40 [ 54.913502] n_tty_receive_buf+0xc/0xe [ 54.921054] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 54.924629] tty_ioctl+0x630/0x1270 [ 54.929538] 8021q: adding VLAN 0 to HW filter on device team0 [ 54.935400] ? avc_ss_reset+0xe0/0xe0 [ 54.935405] ? tty_vhangup+0x20/0x20 [ 54.935411] ? __lock_acquire+0x73f/0x4500 [ 54.935414] ? get_pid_task+0x8b/0x100 [ 54.935418] ? trace_hardirqs_off+0x10/0x10 [ 54.935423] ? proc_cwd_link+0x1a0/0x1a0 [ 54.935434] ? __might_sleep+0x93/0xb0 [ 54.935442] do_vfs_ioctl+0x183/0xfc0 [ 54.943062] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.946999] ? __fget+0x1ad/0x2f0 [ 54.952731] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.956500] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.962075] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.964175] ? __fget+0x1ca/0x2f0 [ 54.977502] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 54.980779] ? security_file_ioctl+0x70/0xa0 [ 54.980784] ? selinux_file_mprotect+0x630/0x630 [ 54.980787] ? security_file_ioctl+0x70/0xa0 [ 54.980793] SyS_ioctl+0x74/0x80 [ 54.980797] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.980803] do_syscall_64+0x1c9/0x5b0 [ 54.980806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.980814] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.980818] RIP: 0033:0x458c29 [ 54.980820] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.980825] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 54.980828] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.980830] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.980832] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 54.980835] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.980850] [ 54.980851] ====================================================== [ 54.980853] WARNING: possible circular locking dependency detected [ 54.980854] 4.14.172-syzkaller #0 Not tainted [ 54.980855] ------------------------------------------------------ [ 54.980857] syz-executor.2/6851 is trying to acquire lock: [ 54.980863] (console_owner){-...}, at: [] vprintk_emit+0x27f/0x4e0 [ 54.980866] [ 54.980868] but task is already holding lock: [ 54.980868] (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xbf/0x200 [ 54.980872] [ 54.980874] which lock already depends on the new lock. [ 54.980875] [ 54.980875] [ 54.980877] the existing dependency chain (in reverse order) is: [ 54.980877] [ 54.980878] -> #2 (&(&port->lock)->rlock){-.-.}: [ 54.980881] lock_acquire+0x173/0x400 [ 54.980882] _raw_spin_lock_irqsave+0x99/0xd0 [ 54.980883] tty_port_tty_get+0x1b/0x70 [ 54.980883] tty_port_default_wakeup+0xa/0x30 [ 54.980885] tty_port_tty_wakeup+0x58/0x70 [ 54.980886] uart_write_wakeup+0x37/0x50 [ 54.980887] serial8250_tx_chars+0x3eb/0xa00 [ 54.980888] serial8250_handle_irq.part.25+0x1c5/0x220 [ 54.980889] serial8250_default_handle_irq+0x82/0xe0 [ 54.980890] serial8250_interrupt+0xd8/0x170 [ 54.980891] __handle_irq_event_percpu+0x101/0x6c0 [ 54.980891] handle_irq_event_percpu+0x64/0x120 [ 54.980893] handle_irq_event+0xa2/0x130 [ 54.980893] handle_edge_irq+0x20b/0x790 [ 54.980894] handle_irq+0x231/0x306 [ 54.980895] do_IRQ+0x98/0x1d0 [ 54.980896] ret_from_intr+0x0/0x1e [ 54.980897] native_safe_halt+0x12/0x20 [ 54.980898] default_idle+0x4f/0x370 [ 54.980899] arch_cpu_idle+0x10/0x20 [ 54.980900] default_idle_call+0x6d/0x90 [ 54.980901] do_idle+0x311/0x3d0 [ 54.980902] cpu_startup_entry+0x18/0x20 [ 54.980902] rest_init+0x193/0x199 [ 54.980903] start_kernel+0x620/0x645 [ 54.980904] x86_64_start_reservations+0x29/0x2b [ 54.980905] x86_64_start_kernel+0x76/0x79 [ 54.980906] secondary_startup_64+0xa5/0xb0 [ 54.980907] [ 54.980908] -> #1 (&port_lock_key){-.-.}: [ 54.980912] lock_acquire+0x173/0x400 [ 54.980913] _raw_spin_lock_irqsave+0x99/0xd0 [ 54.980914] serial8250_console_write+0x6c2/0x880 [ 54.980916] univ8250_console_write+0x4e/0x70 [ 54.980917] console_unlock+0x8ca/0xe30 [ 54.980918] vprintk_emit+0x1b4/0x4e0 [ 54.980919] vprintk_default+0x1a/0x20 [ 54.980920] vprintk_func+0x49/0x12c [ 54.980921] printk+0x91/0xab [ 54.980921] register_console+0x59b/0x920 [ 54.980922] univ8250_console_init+0x1e/0x28 [ 54.980924] console_init+0x45/0x4c [ 54.980925] start_kernel+0x3d6/0x645 [ 54.980926] x86_64_start_reservations+0x29/0x2b [ 54.980927] x86_64_start_kernel+0x76/0x79 [ 54.980928] secondary_startup_64+0xa5/0xb0 [ 54.980929] [ 54.980930] -> #0 (console_owner){-...}: [ 54.980933] __lock_acquire+0x2e94/0x4500 [ 54.980934] lock_acquire+0x173/0x400 [ 54.980936] vprintk_emit+0x2b2/0x4e0 [ 54.980937] vprintk_default+0x1a/0x20 [ 54.980938] vprintk_func+0x49/0x12c [ 54.980939] printk+0x91/0xab [ 54.980940] should_fail.cold.3+0xdf/0x14b [ 54.980941] should_failslab+0xba/0xf0 [ 54.980942] __kmalloc+0x70/0x7b0 [ 54.980944] __tty_buffer_request_room+0x191/0x620 [ 54.980945] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.980946] pty_write+0xf3/0x200 [ 54.980946] tty_put_char+0xff/0x120 [ 54.980948] __process_echoes+0x203/0x790 [ 54.980949] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.980950] n_tty_receive_buf+0xc/0xe [ 54.980951] tty_ioctl+0x630/0x1270 [ 54.980952] do_vfs_ioctl+0x183/0xfc0 [ 54.980953] SyS_ioctl+0x74/0x80 [ 54.980954] do_syscall_64+0x1c9/0x5b0 [ 54.980955] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.980955] [ 54.980956] other info that might help us debug this: [ 54.980957] [ 54.980958] Chain exists of: [ 54.980958] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 54.980962] [ 54.980963] Possible unsafe locking scenario: [ 54.980964] [ 54.980965] CPU0 CPU1 [ 54.980966] ---- ---- [ 54.980967] lock(&(&port->lock)->rlock); [ 54.980969] lock(&port_lock_key); [ 54.980971] lock(&(&port->lock)->rlock); [ 54.980974] lock(console_owner); [ 54.980978] [ 54.980979] *** DEADLOCK *** [ 54.980979] [ 54.980980] 4 locks held by syz-executor.2/6851: [ 54.980981] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 54.980985] #1: (&o_tty->termios_rwsem/1){++++}, at: [] n_tty_receive_buf_common+0x80/0x29a0 [ 54.980988] #2: (&ldata->output_lock){+.+.}, at: [] n_tty_receive_buf_common+0x719/0x29a0 [ 54.980992] #3: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xbf/0x200 [ 54.980995] [ 54.980996] stack backtrace: [ 54.980998] CPU: 1 PID: 6851 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 54.980999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.981000] Call Trace: [ 54.981001] dump_stack+0xf7/0x13b [ 54.981002] print_circular_bug.isra.40.cold.67+0x1bd/0x27d [ 54.981003] ? save_trace+0xe0/0x290 [ 54.981004] __lock_acquire+0x2e94/0x4500 [ 54.981005] ? trace_hardirqs_on+0x10/0x10 [ 54.981006] ? find_held_lock+0x36/0x1d0 [ 54.981008] ? find_held_lock+0x36/0x1d0 [ 54.981009] lock_acquire+0x173/0x400 [ 54.981010] ? vprintk_emit+0x27f/0x4e0 [ 54.981011] vprintk_emit+0x2b2/0x4e0 [ 54.981012] ? vprintk_emit+0x27f/0x4e0 [ 54.981013] vprintk_default+0x1a/0x20 [ 54.981014] vprintk_func+0x49/0x12c [ 54.981014] printk+0x91/0xab [ 54.981016] ? show_regs_print_info+0x5d/0x5d [ 54.981017] should_fail.cold.3+0xdf/0x14b [ 54.981018] should_failslab+0xba/0xf0 [ 54.981019] __kmalloc+0x70/0x7b0 [ 54.981020] ? __lock_is_held+0xb5/0x140 [ 54.981021] ? __tty_buffer_request_room+0x191/0x620 [ 54.981022] ? n_tty_receive_buf_common+0x719/0x29a0 [ 54.981023] __tty_buffer_request_room+0x191/0x620 [ 54.981024] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.981025] pty_write+0xf3/0x200 [ 54.981026] tty_put_char+0xff/0x120 [ 54.981028] ? dev_match_devt+0x90/0x90 [ 54.981029] ? pty_write_room+0x8f/0xb0 [ 54.981030] __process_echoes+0x203/0x790 [ 54.981031] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.981032] ? ldsem_wake+0x40/0x40 [ 54.981033] n_tty_receive_buf+0xc/0xe [ 54.981034] tty_ioctl+0x630/0x1270 [ 54.981035] ? avc_ss_reset+0xe0/0xe0 [ 54.981036] ? tty_vhangup+0x20/0x20 [ 54.981037] ? __lock_acquire+0x73f/0x4500 [ 54.981038] ? get_pid_task+0x8b/0x100 [ 54.981039] ? trace_hardirqs_off+0x10/0x10 [ 54.981040] ? proc_cwd_link+0x1a0/0x1a0 [ 54.981041] ? __might_sleep+0x93/0xb0 [ 54.981042] do_vfs_ioctl+0x183/0xfc0 [ 54.981043] ? __fget+0x1ad/0x2f0 [ 54.981044] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.981045] ? __fget+0x1ca/0x2f0 [ 54.981046] ? security_file_ioctl+0x70/0xa0 [ 54.981047] ? selinux_file_mprotect+0x630/0x630 [ 54.981048] ? security_file_ioctl+0x70/0xa0 [ 54.981049] SyS_ioctl+0x74/0x80 [ 54.981050] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.981051] do_syscall_64+0x1c9/0x5b0 [ 54.981052] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.981053] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.981054] RIP: 0033:0x458c29 [ 54.981056] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.981058] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 54.981060] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.981061] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.981063] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 54.981064] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 55.088770] FAULT_INJECTION: forcing a failure. [ 55.088770] name failslab, interval 1, probability 0, space 0, times 0 [ 55.094936] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.098780] CPU: 1 PID: 6857 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 55.104425] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 55.108787] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.981824] Call Trace: [ 55.984405] dump_stack+0xf7/0x13b [ 55.987945] should_fail.cold.3+0x105/0x14b [ 55.992383] should_failslab+0xba/0xf0 [ 55.996251] __kmalloc+0x70/0x7b0 [ 55.999816] ? __tty_buffer_request_room+0x191/0x620 [ 56.004911] __tty_buffer_request_room+0x191/0x620 [ 56.010316] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 56.015991] pty_write+0xf3/0x200 [ 56.019421] tty_put_char+0xff/0x120 [ 56.023134] ? dev_match_devt+0x90/0x90 [ 56.027166] ? pty_write_room+0x8f/0xb0 [ 56.031323] __process_echoes+0x203/0x790 [ 56.035469] n_tty_receive_buf_common+0x75b/0x29a0 [ 56.040632] ? ldsem_wake+0x40/0x40 [ 56.044284] n_tty_receive_buf+0xc/0xe [ 56.048246] tty_ioctl+0x630/0x1270 [ 56.051953] ? avc_ss_reset+0xe0/0xe0 [ 56.055757] ? tty_vhangup+0x20/0x20 [ 56.059462] ? get_pid_task+0x8b/0x100 [ 56.063336] ? proc_fail_nth_write+0xd6/0x160 [ 56.067883] ? proc_cwd_link+0x1a0/0x1a0 [ 56.071981] ? __fdget_pos+0x8e/0xc0 [ 56.075688] ? trace_hardirqs_on+0x10/0x10 [ 56.079951] ? __vfs_write+0xde/0x850 [ 56.083735] ? __might_sleep+0x93/0xb0 [ 56.087610] do_vfs_ioctl+0x183/0xfc0 [ 56.091647] ? __fget+0x1ad/0x2f0 [ 56.095080] ? ioctl_preallocate+0x1a0/0x1a0 [ 56.099602] ? __fget+0x1ca/0x2f0 [ 56.103039] ? security_file_ioctl+0x70/0xa0 [ 56.107506] ? selinux_file_mprotect+0x630/0x630 [ 56.112249] ? security_file_ioctl+0x70/0xa0 [ 56.116685] SyS_ioctl+0x74/0x80 [ 56.120069] ? do_vfs_ioctl+0xfc0/0xfc0 [ 56.124150] do_syscall_64+0x1c9/0x5b0 [ 56.128019] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.132849] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.138205] RIP: 0033:0x458c29 [ 56.141477] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.149427] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 56.156694] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.163947] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 2020/02/29 04:55:16 executed programs: 8 [ 56.171199] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 56.178713] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 56.197222] FAULT_INJECTION: forcing a failure. [ 56.197222] name failslab, interval 1, probability 0, space 0, times 0 [ 56.208546] CPU: 1 PID: 6860 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 56.216327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.225668] Call Trace: [ 56.228237] dump_stack+0xf7/0x13b [ 56.231765] should_fail.cold.3+0x105/0x14b [ 56.236075] should_failslab+0xba/0xf0 [ 56.239962] __kmalloc+0x70/0x7b0 [ 56.243398] ? __tty_buffer_request_room+0x191/0x620 [ 56.248549] __tty_buffer_request_room+0x191/0x620 [ 56.253464] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 56.259361] pty_write+0xf3/0x200 [ 56.262812] tty_put_char+0xff/0x120 [ 56.266506] ? dev_match_devt+0x90/0x90 [ 56.270516] ? pty_write_room+0x8f/0xb0 [ 56.274526] __process_echoes+0x203/0x790 [ 56.278810] n_tty_receive_buf_common+0x75b/0x29a0 [ 56.283730] ? ldsem_wake+0x40/0x40 [ 56.287361] n_tty_receive_buf+0xc/0xe [ 56.291291] tty_ioctl+0x630/0x1270 [ 56.294907] ? avc_ss_reset+0xe0/0xe0 [ 56.298948] ? tty_vhangup+0x20/0x20 [ 56.302644] ? get_pid_task+0x8b/0x100 [ 56.306511] ? proc_fail_nth_write+0xd6/0x160 [ 56.311007] ? proc_cwd_link+0x1a0/0x1a0 [ 56.315131] ? __fdget_pos+0x8e/0xc0 [ 56.318839] ? trace_hardirqs_on+0x10/0x10 [ 56.323063] ? __vfs_write+0xde/0x850 [ 56.326843] ? __might_sleep+0x93/0xb0 [ 56.330718] do_vfs_ioctl+0x183/0xfc0 [ 56.334543] ? __fget+0x1ad/0x2f0 [ 56.337985] ? ioctl_preallocate+0x1a0/0x1a0 [ 56.342379] ? __fget+0x1ca/0x2f0 [ 56.345817] ? security_file_ioctl+0x70/0xa0 [ 56.350213] ? selinux_file_mprotect+0x630/0x630 [ 56.354962] ? security_file_ioctl+0x70/0xa0 [ 56.359470] SyS_ioctl+0x74/0x80 [ 56.362822] ? do_vfs_ioctl+0xfc0/0xfc0 [ 56.366784] do_syscall_64+0x1c9/0x5b0 [ 56.370656] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.375484] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.380674] RIP: 0033:0x458c29 [ 56.383876] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.391621] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 56.399499] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.406769] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.414029] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 56.421509] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 56.432915] device hsr_slave_0 entered promiscuous mode [ 56.444667] FAULT_INJECTION: forcing a failure. [ 56.444667] name failslab, interval 1, probability 0, space 0, times 0 [ 56.456013] CPU: 0 PID: 6863 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 56.463839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.475092] Call Trace: [ 56.478210] dump_stack+0xf7/0x13b [ 56.481765] should_fail.cold.3+0x105/0x14b [ 56.486135] should_failslab+0xba/0xf0 [ 56.490018] __kmalloc+0x70/0x7b0 [ 56.493456] ? __tty_buffer_request_room+0x191/0x620 [ 56.498545] __tty_buffer_request_room+0x191/0x620 [ 56.503452] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 56.508987] pty_write+0xf3/0x200 [ 56.512429] tty_put_char+0xff/0x120 [ 56.516128] ? dev_match_devt+0x90/0x90 [ 56.520105] ? pty_write_room+0x8f/0xb0 [ 56.524086] __process_echoes+0x203/0x790 [ 56.528238] n_tty_receive_buf_common+0x75b/0x29a0 [ 56.533200] ? ldsem_wake+0x40/0x40 [ 56.536809] n_tty_receive_buf+0xc/0xe [ 56.540680] tty_ioctl+0x630/0x1270 [ 56.544286] ? avc_ss_reset+0xe0/0xe0 [ 56.548346] ? tty_vhangup+0x20/0x20 [ 56.552062] ? get_pid_task+0x8b/0x100 [ 56.555937] ? proc_fail_nth_write+0xd6/0x160 [ 56.560420] ? proc_cwd_link+0x1a0/0x1a0 [ 56.564463] ? __fdget_pos+0x8e/0xc0 [ 56.568154] ? trace_hardirqs_on+0x10/0x10 [ 56.572428] ? __vfs_write+0xde/0x850 [ 56.576219] ? __might_sleep+0x93/0xb0 [ 56.580112] do_vfs_ioctl+0x183/0xfc0 [ 56.583891] ? __fget+0x1ad/0x2f0 [ 56.587348] ? ioctl_preallocate+0x1a0/0x1a0 [ 56.591771] ? __fget+0x1ca/0x2f0 [ 56.595240] ? security_file_ioctl+0x70/0xa0 [ 56.599626] ? selinux_file_mprotect+0x630/0x630 [ 56.604386] ? security_file_ioctl+0x70/0xa0 [ 56.608778] SyS_ioctl+0x74/0x80 [ 56.612140] ? do_vfs_ioctl+0xfc0/0xfc0 [ 56.616115] do_syscall_64+0x1c9/0x5b0 [ 56.619995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.624828] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.630015] RIP: 0033:0x458c29 [ 56.633211] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.641313] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 56.648572] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.655830] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.663088] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 56.670400] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 56.685985] FAULT_INJECTION: forcing a failure. [ 56.685985] name failslab, interval 1, probability 0, space 0, times 0 [ 56.690894] device hsr_slave_1 entered promiscuous mode [ 56.697297] CPU: 1 PID: 6865 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 56.710506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.719856] Call Trace: [ 56.722428] dump_stack+0xf7/0x13b [ 56.725963] should_fail.cold.3+0x105/0x14b [ 56.730278] should_failslab+0xba/0xf0 [ 56.734378] __kmalloc+0x70/0x7b0 [ 56.737815] ? __tty_buffer_request_room+0x191/0x620 [ 56.742957] __tty_buffer_request_room+0x191/0x620 [ 56.747875] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 56.753527] pty_write+0xf3/0x200 [ 56.756971] tty_put_char+0xff/0x120 [ 56.760678] ? dev_match_devt+0x90/0x90 [ 56.764640] ? pty_write_room+0x8f/0xb0 [ 56.768605] __process_echoes+0x203/0x790 [ 56.772887] n_tty_receive_buf_common+0x75b/0x29a0 [ 56.777807] ? ldsem_wake+0x40/0x40 [ 56.781432] n_tty_receive_buf+0xc/0xe [ 56.785326] tty_ioctl+0x630/0x1270 [ 56.788940] ? avc_ss_reset+0xe0/0xe0 [ 56.792721] ? tty_vhangup+0x20/0x20 [ 56.796421] ? get_pid_task+0x8b/0x100 [ 56.800297] ? proc_fail_nth_write+0xd6/0x160 [ 56.804796] ? proc_cwd_link+0x1a0/0x1a0 [ 56.808852] ? __fdget_pos+0x8e/0xc0 [ 56.812557] ? trace_hardirqs_on+0x10/0x10 [ 56.816774] ? __vfs_write+0xde/0x850 [ 56.820569] ? __might_sleep+0x93/0xb0 [ 56.824598] do_vfs_ioctl+0x183/0xfc0 [ 56.828414] ? __fget+0x1ad/0x2f0 [ 56.831847] ? ioctl_preallocate+0x1a0/0x1a0 [ 56.836245] ? __fget+0x1ca/0x2f0 [ 56.839689] ? security_file_ioctl+0x70/0xa0 [ 56.844081] ? selinux_file_mprotect+0x630/0x630 [ 56.848816] ? security_file_ioctl+0x70/0xa0 [ 56.853830] SyS_ioctl+0x74/0x80 [ 56.857177] ? do_vfs_ioctl+0xfc0/0xfc0 [ 56.861139] do_syscall_64+0x1c9/0x5b0 [ 56.865030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.869871] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.875042] RIP: 0033:0x458c29 [ 56.878211] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.886014] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 56.893269] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.900690] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.908142] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 56.915395] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 56.931262] FAULT_INJECTION: forcing a failure. [ 56.931262] name failslab, interval 1, probability 0, space 0, times 0 [ 56.942475] CPU: 0 PID: 6869 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 56.950277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.959621] Call Trace: [ 56.962197] dump_stack+0xf7/0x13b [ 56.965722] should_fail.cold.3+0x105/0x14b [ 56.970061] should_failslab+0xba/0xf0 [ 56.974010] __kmalloc+0x70/0x7b0 [ 56.977451] ? __tty_buffer_request_room+0x191/0x620 [ 56.982592] __tty_buffer_request_room+0x191/0x620 [ 56.987528] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 56.993096] pty_write+0xf3/0x200 [ 56.996551] tty_put_char+0xff/0x120 [ 57.000242] ? dev_match_devt+0x90/0x90 [ 57.004202] ? pty_write_room+0x8f/0xb0 [ 57.008171] __process_echoes+0x203/0x790 [ 57.012334] n_tty_receive_buf_common+0x75b/0x29a0 [ 57.017256] ? ldsem_wake+0x40/0x40 [ 57.020868] n_tty_receive_buf+0xc/0xe [ 57.024787] tty_ioctl+0x630/0x1270 [ 57.028404] ? avc_ss_reset+0xe0/0xe0 [ 57.032252] ? tty_vhangup+0x20/0x20 [ 57.035947] ? get_pid_task+0x8b/0x100 [ 57.039945] ? proc_fail_nth_write+0xd6/0x160 [ 57.044423] ? proc_cwd_link+0x1a0/0x1a0 [ 57.048493] ? __fdget_pos+0x8e/0xc0 [ 57.052254] ? trace_hardirqs_on+0x10/0x10 [ 57.056468] ? __vfs_write+0xde/0x850 [ 57.060259] ? __might_sleep+0x93/0xb0 [ 57.064254] do_vfs_ioctl+0x183/0xfc0 [ 57.068053] ? __fget+0x1ad/0x2f0 [ 57.071654] ? ioctl_preallocate+0x1a0/0x1a0 [ 57.076043] ? __fget+0x1ca/0x2f0 [ 57.079495] ? security_file_ioctl+0x70/0xa0 [ 57.084032] ? selinux_file_mprotect+0x630/0x630 [ 57.088785] ? security_file_ioctl+0x70/0xa0 [ 57.093186] SyS_ioctl+0x74/0x80 [ 57.096545] ? do_vfs_ioctl+0xfc0/0xfc0 [ 57.100505] do_syscall_64+0x1c9/0x5b0 [ 57.104471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.109314] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.114526] RIP: 0033:0x458c29 [ 57.117794] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.125504] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 57.132786] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 57.140046] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.147324] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 57.154582] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 57.170675] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 57.177720] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 57.184758] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 57.192498] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.200730] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.208365] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.214751] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.222037] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.228805] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.235898] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.242728] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.249500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.257517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.265588] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.272046] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.279401] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.287612] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.295167] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.301511] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.308246] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.316247] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.323994] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.331373] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.338712] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.346535] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.353565] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.360657] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.368621] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 57.377310] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 57.383870] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.403432] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 57.411553] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.419139] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.427592] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.435262] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.441631] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.448497] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.457604] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.468986] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.477446] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 57.486535] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.494730] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.502875] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.510688] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.517069] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.525128] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 57.537380] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 57.539566] FAULT_INJECTION: forcing a failure. [ 57.539566] name failslab, interval 1, probability 0, space 0, times 0 [ 57.555628] CPU: 1 PID: 6875 Comm: syz-executor.3 Not tainted 4.14.172-syzkaller #0 [ 57.563435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.573041] Call Trace: [ 57.575630] dump_stack+0xf7/0x13b [ 57.579160] should_fail.cold.3+0x105/0x14b [ 57.583486] should_failslab+0xba/0xf0 [ 57.587358] __kmalloc+0x70/0x7b0 [ 57.590824] ? __tty_buffer_request_room+0x191/0x620 [ 57.596016] __tty_buffer_request_room+0x191/0x620 [ 57.601066] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 57.606701] pty_write+0xf3/0x200 [ 57.610144] tty_put_char+0xff/0x120 [ 57.613847] ? dev_match_devt+0x90/0x90 [ 57.617810] ? pty_write_room+0x8f/0xb0 [ 57.621771] __process_echoes+0x203/0x790 [ 57.625913] n_tty_receive_buf_common+0x75b/0x29a0 [ 57.630934] ? ldsem_wake+0x40/0x40 [ 57.634544] n_tty_receive_buf+0xc/0xe [ 57.638412] tty_ioctl+0x630/0x1270 [ 57.642036] ? avc_ss_reset+0xe0/0xe0 [ 57.645847] ? tty_vhangup+0x20/0x20 [ 57.649564] ? get_pid_task+0x8b/0x100 [ 57.653571] ? proc_fail_nth_write+0xd6/0x160 [ 57.658044] ? proc_cwd_link+0x1a0/0x1a0 [ 57.662092] ? __fdget_pos+0x8e/0xc0 [ 57.665887] ? trace_hardirqs_on+0x10/0x10 [ 57.670224] ? __vfs_write+0xde/0x850 [ 57.674030] ? __might_sleep+0x93/0xb0 [ 57.677905] do_vfs_ioctl+0x183/0xfc0 [ 57.681692] ? __fget+0x1ad/0x2f0 [ 57.685143] ? ioctl_preallocate+0x1a0/0x1a0 [ 57.689617] ? __fget+0x1ca/0x2f0 [ 57.693059] ? security_file_ioctl+0x70/0xa0 [ 57.697497] ? selinux_file_mprotect+0x630/0x630 [ 57.702380] ? security_file_ioctl+0x70/0xa0 [ 57.706768] SyS_ioctl+0x74/0x80 [ 57.710236] ? do_vfs_ioctl+0xfc0/0xfc0 [ 57.714212] do_syscall_64+0x1c9/0x5b0 [ 57.718169] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.723006] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.728182] RIP: 0033:0x458c29 [ 57.731356] RSP: 002b:00007f9a80c7bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 57.739046] RAX: ffffffffffffffda RBX: 00007f9a80c7bc90 RCX: 0000000000458c29 [ 57.746302] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 57.753575] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 57.760890] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a80c7c6d4 [ 57.768393] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 57.780506] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 57.788923] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 57.795150] FAULT_INJECTION: forcing a failure. [ 57.795150] name failslab, interval 1, probability 0, space 0, times 0 [ 57.803668] FAULT_INJECTION: forcing a failure. [ 57.803668] name failslab, interval 1, probability 0, space 0, times 0 [ 57.806991] CPU: 1 PID: 6878 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 57.825954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 57.835361] Call Trace: [ 57.837944] dump_stack+0xf7/0x13b [ 57.841480] should_fail.cold.3+0x105/0x14b [ 57.845787] should_failslab+0xba/0xf0 [ 57.849657] __kmalloc+0x70/0x7b0 [ 57.853104] ? __tty_buffer_request_room+0x191/0x620 [ 57.858200] __tty_buffer_request_room+0x191/0x620 [ 57.863111] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 57.868644] pty_write+0xf3/0x200 [ 57.872089] tty_put_char+0xff/0x120 [ 57.875784] ? dev_match_devt+0x90/0x90 [ 57.879752] ? pty_write_room+0x8f/0xb0 [ 57.883719] __process_echoes+0x203/0x790 [ 57.887864] n_tty_receive_buf_common+0x75b/0x29a0 [ 57.892778] ? ldsem_wake+0x40/0x40 [ 57.896409] n_tty_receive_buf+0xc/0xe [ 57.900289] tty_ioctl+0x630/0x1270 [ 57.903905] ? avc_ss_reset+0xe0/0xe0 [ 57.907702] ? tty_vhangup+0x20/0x20 [ 57.911412] ? get_pid_task+0x8b/0x100 [ 57.915340] ? proc_fail_nth_write+0xd6/0x160 [ 57.919829] ? proc_cwd_link+0x1a0/0x1a0 [ 57.923886] ? __fdget_pos+0x8e/0xc0 [ 57.927594] ? trace_hardirqs_on+0x10/0x10 [ 57.931817] ? __vfs_write+0xde/0x850 [ 57.935614] ? __might_sleep+0x93/0xb0 [ 57.939494] do_vfs_ioctl+0x183/0xfc0 [ 57.943299] ? __fget+0x1ad/0x2f0 [ 57.946746] ? ioctl_preallocate+0x1a0/0x1a0 [ 57.951158] ? __fget+0x1ca/0x2f0 [ 57.954594] ? security_file_ioctl+0x70/0xa0 [ 57.959010] ? selinux_file_mprotect+0x630/0x630 [ 57.963760] ? security_file_ioctl+0x70/0xa0 [ 57.968158] SyS_ioctl+0x74/0x80 [ 57.971504] ? do_vfs_ioctl+0xfc0/0xfc0 [ 57.975467] do_syscall_64+0x1c9/0x5b0 [ 57.979355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 57.984217] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 57.989393] RIP: 0033:0x458c29 [ 57.992568] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.000352] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 58.007628] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 58.014888] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 58.022146] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 58.029401] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 58.036672] CPU: 0 PID: 6880 Comm: syz-executor.3 Not tainted 4.14.172-syzkaller #0 [ 58.044473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.053824] Call Trace: [ 58.056534] dump_stack+0xf7/0x13b [ 58.058056] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 58.060069] should_fail.cold.3+0x105/0x14b [ 58.060077] should_failslab+0xba/0xf0 [ 58.060082] __kmalloc+0x70/0x7b0 [ 58.060089] ? __tty_buffer_request_room+0x191/0x620 [ 58.060094] __tty_buffer_request_room+0x191/0x620 [ 58.060099] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 58.060106] pty_write+0xf3/0x200 [ 58.060112] tty_put_char+0xff/0x120 [ 58.060116] ? dev_match_devt+0x90/0x90 [ 58.060121] ? pty_write_room+0x8f/0xb0 [ 58.060125] __process_echoes+0x203/0x790 [ 58.060132] n_tty_receive_buf_common+0x75b/0x29a0 [ 58.060136] ? ldsem_wake+0x40/0x40 [ 58.060147] n_tty_receive_buf+0xc/0xe [ 58.060150] tty_ioctl+0x630/0x1270 [ 58.060154] ? avc_ss_reset+0xe0/0xe0 [ 58.060159] ? tty_vhangup+0x20/0x20 [ 58.060163] ? get_pid_task+0x8b/0x100 [ 58.060169] ? proc_fail_nth_write+0xd6/0x160 [ 58.060173] ? proc_cwd_link+0x1a0/0x1a0 [ 58.060179] ? __fdget_pos+0x8e/0xc0 [ 58.060185] ? trace_hardirqs_on+0x10/0x10 [ 58.060190] ? __vfs_write+0xde/0x850 [ 58.060197] ? __might_sleep+0x93/0xb0 [ 58.060205] do_vfs_ioctl+0x183/0xfc0 [ 58.069914] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.070776] ? __fget+0x1ad/0x2f0 [ 58.070782] ? ioctl_preallocate+0x1a0/0x1a0 [ 58.070787] ? __fget+0x1ca/0x2f0 [ 58.070795] ? security_file_ioctl+0x70/0xa0 [ 58.070802] ? selinux_file_mprotect+0x630/0x630 [ 58.195863] ? security_file_ioctl+0x70/0xa0 [ 58.200271] SyS_ioctl+0x74/0x80 [ 58.203730] ? do_vfs_ioctl+0xfc0/0xfc0 [ 58.207697] do_syscall_64+0x1c9/0x5b0 [ 58.211564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.216956] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.222136] RIP: 0033:0x458c29 [ 58.225323] RSP: 002b:00007f9a80c7bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 58.233013] RAX: ffffffffffffffda RBX: 00007f9a80c7bc90 RCX: 0000000000458c29 [ 58.240266] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 58.247522] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 58.254886] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a80c7c6d4 [ 58.262142] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 58.272890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.280751] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.289008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.296825] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.304954] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.313016] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.323230] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.332483] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.341545] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.348593] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.356110] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.363692] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.371368] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.378869] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.387229] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.395653] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.403790] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.412758] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 58.419833] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.427490] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.441495] FAULT_INJECTION: forcing a failure. [ 58.441495] name failslab, interval 1, probability 0, space 0, times 0 [ 58.452714] CPU: 0 PID: 6890 Comm: syz-executor.1 Not tainted 4.14.172-syzkaller #0 [ 58.455679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.460506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.460510] Call Trace: [ 58.460523] dump_stack+0xf7/0x13b [ 58.460531] should_fail.cold.3+0x105/0x14b [ 58.460537] should_failslab+0xba/0xf0 [ 58.460543] __kmalloc+0x70/0x7b0 [ 58.460549] ? __tty_buffer_request_room+0x191/0x620 [ 58.460555] __tty_buffer_request_room+0x191/0x620 [ 58.470514] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 58.475790] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 58.480348] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 58.482002] pty_write+0xf3/0x200 [ 58.488251] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 58.490204] tty_put_char+0xff/0x120 [ 58.490209] ? dev_match_devt+0x90/0x90 [ 58.490214] ? pty_write_room+0x8f/0xb0 [ 58.490219] __process_echoes+0x203/0x790 [ 58.490226] n_tty_receive_buf_common+0x75b/0x29a0 [ 58.490229] ? ldsem_wake+0x40/0x40 [ 58.490239] n_tty_receive_buf+0xc/0xe [ 58.494339] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.498760] tty_ioctl+0x630/0x1270 [ 58.505526] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.509726] ? avc_ss_reset+0xe0/0xe0 [ 58.517084] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.521289] ? tty_vhangup+0x20/0x20 [ 58.521293] ? get_pid_task+0x8b/0x100 [ 58.521300] ? proc_fail_nth_write+0xd6/0x160 [ 58.521304] ? proc_cwd_link+0x1a0/0x1a0 [ 58.521310] ? __fdget_pos+0x8e/0xc0 [ 58.526285] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.530812] ? trace_hardirqs_on+0x10/0x10 [ 58.530817] ? __vfs_write+0xde/0x850 [ 58.530825] ? __might_sleep+0x93/0xb0 [ 58.530834] do_vfs_ioctl+0x183/0xfc0 [ 58.536776] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.538528] ? __fget+0x1ad/0x2f0 [ 58.544204] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 58.546841] ? ioctl_preallocate+0x1a0/0x1a0 [ 58.553547] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 58.555394] ? __fget+0x1ca/0x2f0 [ 58.561716] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.565135] ? security_file_ioctl+0x70/0xa0 [ 58.570503] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 58.575669] ? selinux_file_mprotect+0x630/0x630 [ 58.580688] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.586366] ? security_file_ioctl+0x70/0xa0 [ 58.590082] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.593926] SyS_ioctl+0x74/0x80 [ 58.598884] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.602437] ? do_vfs_ioctl+0xfc0/0xfc0 [ 58.602443] do_syscall_64+0x1c9/0x5b0 [ 58.602447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 58.602454] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 58.602459] RIP: 0033:0x458c29 [ 58.610984] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 58.612898] RSP: 002b:00007f072b37fc78 EFLAGS: 00000246 [ 58.620307] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.620921] ORIG_RAX: 0000000000000010 [ 58.642765] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.645672] RAX: ffffffffffffffda RBX: 00007f072b37fc90 RCX: 0000000000458c29 [ 58.650258] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.656822] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 58.661817] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 58.666912] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 58.673311] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 58.677957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f072b3806d4 [ 58.683985] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.692298] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 58.832177] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.842527] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 58.849117] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.856137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.862889] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.872179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.879855] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.886299] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.893102] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.900836] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.908576] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.915203] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.922149] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.929830] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.937799] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.945558] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.953136] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.960914] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.968534] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.977615] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.985168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.985222] FAULT_INJECTION: forcing a failure. [ 58.985222] name failslab, interval 1, probability 0, space 0, times 0 [ 58.992617] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.003493] CPU: 0 PID: 6901 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0 [ 59.003496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 59.003499] Call Trace: [ 59.003512] dump_stack+0xf7/0x13b [ 59.003520] should_fail.cold.3+0x105/0x14b [ 59.003526] should_failslab+0xba/0xf0 [ 59.003531] __kmalloc+0x70/0x7b0 [ 59.003539] ? __tty_buffer_request_room+0x191/0x620 [ 59.011095] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.018581] __tty_buffer_request_room+0x191/0x620 [ 59.028404] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.030609] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 59.030616] pty_write+0xf3/0x200 [ 59.030621] tty_put_char+0xff/0x120 [ 59.030626] ? dev_match_devt+0x90/0x90 [ 59.034536] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.038481] ? pty_write_room+0x8f/0xb0 [ 59.042735] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.045808] __process_echoes+0x203/0x790 [ 59.054888] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.057999] n_tty_receive_buf_common+0x75b/0x29a0 [ 59.066019] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.069931] ? ldsem_wake+0x40/0x40 [ 59.129612] n_tty_receive_buf+0xc/0xe [ 59.133490] tty_ioctl+0x630/0x1270 [ 59.137096] ? avc_ss_reset+0xe0/0xe0 [ 59.140879] ? tty_vhangup+0x20/0x20 [ 59.144575] ? get_pid_task+0x8b/0x100 [ 59.148450] ? proc_fail_nth_write+0xd6/0x160 [ 59.152969] ? proc_cwd_link+0x1a0/0x1a0 [ 59.157025] ? __fdget_pos+0x8e/0xc0 [ 59.160728] ? trace_hardirqs_on+0x10/0x10 [ 59.164978] ? __vfs_write+0xde/0x850 [ 59.168900] ? __might_sleep+0x93/0xb0 [ 59.172794] do_vfs_ioctl+0x183/0xfc0 [ 59.176582] ? __fget+0x1ad/0x2f0 [ 59.180031] ? ioctl_preallocate+0x1a0/0x1a0 [ 59.184497] ? __fget+0x1ca/0x2f0 [ 59.187933] ? security_file_ioctl+0x70/0xa0 [ 59.192341] ? selinux_file_mprotect+0x630/0x630 [ 59.197088] ? security_file_ioctl+0x70/0xa0 [ 59.201488] SyS_ioctl+0x74/0x80 [ 59.205011] ? do_vfs_ioctl+0xfc0/0xfc0 [ 59.208975] do_syscall_64+0x1c9/0x5b0 [ 59.212953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 59.217785] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 59.223001] RIP: 0033:0x458c29 [ 59.226263] RSP: 002b:00007f3706cf6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 59.234294] RAX: ffffffffffffffda RBX: 00007f3706cf6c90 RCX: 0000000000458c29 [ 59.241556] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 59.248848] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 59.256206] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3706cf76d4 [ 59.263713] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 59.276630] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 59.283934] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.291519] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.298293] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.305025] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.314159] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.165948] FAULT_INJECTION: forcing a failure. [ 60.165948] name failslab, interval 1, probability 0, space 0, times 0 [ 60.177223] CPU: 1 PID: 6918 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 [ 60.185006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.194470] Call Trace: [ 60.197105] dump_stack+0xf7/0x13b [ 60.200717] should_fail.cold.3+0x105/0x14b [ 60.205106] should_failslab+0xba/0xf0 [ 60.208987] __kmalloc+0x70/0x7b0 [ 60.212429] ? __tty_buffer_request_room+0x191/0x620 [ 60.217526] __tty_buffer_request_room+0x191/0x620 [ 60.222507] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 60.228348] pty_write+0xf3/0x200 [ 60.231792] tty_put_char+0xff/0x120 [ 60.235513] ? dev_match_devt+0x90/0x90 [ 60.239469] ? pty_write_room+0x8f/0xb0 [ 60.243439] __process_echoes+0x203/0x790 [ 60.247585] n_tty_receive_buf_common+0x75b/0x29a0 [ 60.252566] ? ldsem_wake+0x40/0x40 [ 60.256179] n_tty_receive_buf+0xc/0xe [ 60.260057] tty_ioctl+0x630/0x1270 [ 60.263787] ? avc_ss_reset+0xe0/0xe0 [ 60.267574] ? tty_vhangup+0x20/0x20 [ 60.271274] ? get_pid_task+0x8b/0x100 [ 60.275157] ? proc_fail_nth_write+0xd6/0x160 [ 60.279698] ? proc_cwd_link+0x1a0/0x1a0 [ 60.283746] ? __fdget_pos+0x8e/0xc0 [ 60.287552] ? trace_hardirqs_on+0x10/0x10 [ 60.291835] ? __vfs_write+0xde/0x850 [ 60.295674] ? __might_sleep+0x93/0xb0 [ 60.299544] do_vfs_ioctl+0x183/0xfc0 [ 60.303375] ? __fget+0x1ad/0x2f0 [ 60.306847] ? ioctl_preallocate+0x1a0/0x1a0 [ 60.311245] ? __fget+0x1ca/0x2f0 [ 60.314797] ? security_file_ioctl+0x70/0xa0 [ 60.319286] ? selinux_file_mprotect+0x630/0x630 [ 60.324168] ? security_file_ioctl+0x70/0xa0 [ 60.328600] SyS_ioctl+0x74/0x80 [ 60.332214] ? do_vfs_ioctl+0xfc0/0xfc0 [ 60.336197] do_syscall_64+0x1c9/0x5b0 [ 60.340066] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.344909] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.350089] RIP: 0033:0x458c29 [ 60.353266] RSP: 002b:00007f81f3c5cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.361225] RAX: ffffffffffffffda RBX: 00007f81f3c5cc90 RCX: 0000000000458c29 [ 60.368494] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 60.375875] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 60.383202] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81f3c5d6d4 [ 60.390516] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 60.595596] FAULT_INJECTION: forcing a failure. [ 60.595596] name failslab, interval 1, probability 0, space 0, times 0 [ 60.606922] CPU: 0 PID: 6921 Comm: syz-executor.5 Not tainted 4.14.172-syzkaller #0 [ 60.614712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.624852] Call Trace: [ 60.627422] dump_stack+0xf7/0x13b [ 60.630958] should_fail.cold.3+0x105/0x14b [ 60.635281] should_failslab+0xba/0xf0 [ 60.639144] __kmalloc+0x70/0x7b0 [ 60.642593] ? __tty_buffer_request_room+0x191/0x620 [ 60.647671] __tty_buffer_request_room+0x191/0x620 [ 60.652594] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 60.658106] pty_write+0xf3/0x200 [ 60.661535] tty_put_char+0xff/0x120 [ 60.665228] ? dev_match_devt+0x90/0x90 [ 60.669180] ? pty_write_room+0x8f/0xb0 [ 60.673158] __process_echoes+0x203/0x790 [ 60.677290] n_tty_receive_buf_common+0x75b/0x29a0 [ 60.682201] ? ldsem_wake+0x40/0x40 [ 60.685815] n_tty_receive_buf+0xc/0xe [ 60.689694] tty_ioctl+0x630/0x1270 [ 60.693310] ? avc_ss_reset+0xe0/0xe0 [ 60.697093] ? tty_vhangup+0x20/0x20 [ 60.700801] ? get_pid_task+0x8b/0x100 [ 60.704669] ? proc_fail_nth_write+0xd6/0x160 [ 60.709141] ? proc_cwd_link+0x1a0/0x1a0 [ 60.713205] ? __fdget_pos+0x8e/0xc0 [ 60.716899] ? trace_hardirqs_on+0x10/0x10 [ 60.721113] ? __vfs_write+0xde/0x850 [ 60.724993] ? __might_sleep+0x93/0xb0 [ 60.728878] do_vfs_ioctl+0x183/0xfc0 [ 60.732661] ? __fget+0x1ad/0x2f0 [ 60.736088] ? ioctl_preallocate+0x1a0/0x1a0 [ 60.740487] ? __fget+0x1ca/0x2f0 [ 60.743931] ? security_file_ioctl+0x70/0xa0 [ 60.748315] ? selinux_file_mprotect+0x630/0x630 [ 60.753059] ? security_file_ioctl+0x70/0xa0 [ 60.757443] SyS_ioctl+0x74/0x80 [ 60.760797] ? do_vfs_ioctl+0xfc0/0xfc0 [ 60.764747] do_syscall_64+0x1c9/0x5b0 [ 60.768610] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 60.773431] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 60.778629] RIP: 0033:0x458c29 [ 60.781801] RSP: 002b:00007ff56bd16c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 60.789503] RAX: ffffffffffffffda RBX: 00007ff56bd16c90 RCX: 0000000000458c29 [ 60.796753] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 60.804037] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 60.811291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff56bd176d4 [ 60.818565] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 60.845529] FAULT_INJECTION: forcing a failure. [ 60.845529] name failslab, interval 1, probability 0, space 0, times 0 [ 60.847228] FAULT_INJECTION: forcing a failure. [ 60.847228] name failslab, interval 1, probability 0, space 0, times 0 [ 60.857128] CPU: 1 PID: 6935 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 [ 60.876090] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 60.885421] Call Trace: [ 60.887989] dump_stack+0xf7/0x13b [ 60.891522] should_fail.cold.3+0x105/0x14b [ 60.895824] should_failslab+0xba/0xf0 [ 60.899691] __kmalloc+0x70/0x7b0 [ 60.903123] ? __tty_buffer_request_room+0x191/0x620 [ 60.908203] __tty_buffer_request_room+0x191/0x620 [ 60.913113] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 60.918635] pty_write+0xf3/0x200 [ 60.922078] tty_put_char+0xff/0x120 [ 60.925770] ? dev_match_devt+0x90/0x90 [ 60.929721] ? pty_write_room+0x8f/0xb0 [ 60.933674] __process_echoes+0x203/0x790 [ 60.937805] n_tty_receive_buf_common+0x75b/0x29a0 [ 60.942716] ? ldsem_wake+0x40/0x40 [ 60.946324] n_tty_receive_buf+0xc/0xe [ 60.950191] tty_ioctl+0x630/0x1270 [ 60.953795] ? avc_ss_reset+0xe0/0xe0 [ 60.957580] ? tty_vhangup+0x20/0x20 [ 60.961274] ? get_pid_task+0x8b/0x100 [ 60.965139] ? proc_fail_nth_write+0xd6/0x160 [ 60.969613] ? proc_cwd_link+0x1a0/0x1a0 [ 60.973650] ? __fdget_pos+0x8e/0xc0 [ 60.977353] ? trace_hardirqs_on+0x10/0x10 [ 60.981564] ? __vfs_write+0xde/0x850 [ 60.985343] ? __might_sleep+0x93/0xb0 [ 60.989215] do_vfs_ioctl+0x183/0xfc0 [ 60.993001] ? __fget+0x1ad/0x2f0 [ 60.996433] ? ioctl_preallocate+0x1a0/0x1a0 [ 61.000821] ? __fget+0x1ca/0x2f0 [ 61.004255] ? security_file_ioctl+0x70/0xa0 [ 61.008785] ? selinux_file_mprotect+0x630/0x630 [ 61.013537] ? security_file_ioctl+0x70/0xa0 [ 61.017941] SyS_ioctl+0x74/0x80 [ 61.021289] ? do_vfs_ioctl+0xfc0/0xfc0 [ 61.025244] do_syscall_64+0x1c9/0x5b0 [ 61.029111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.033940] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.039109] RIP: 0033:0x458c29 [ 61.042290] RSP: 002b:00007f81f3c5cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.049990] RAX: ffffffffffffffda RBX: 00007f81f3c5cc90 RCX: 0000000000458c29 [ 61.057250] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 61.064603] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.071861] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81f3c5d6d4 [ 61.079117] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 61.086380] CPU: 0 PID: 6931 Comm: syz-executor.5 Not tainted 4.14.172-syzkaller #0 [ 61.087916] FAULT_INJECTION: forcing a failure. [ 61.087916] name failslab, interval 1, probability 0, space 0, times 0 [ 61.094193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.114959] Call Trace: [ 61.117533] dump_stack+0xf7/0x13b [ 61.121052] should_fail.cold.3+0x105/0x14b [ 61.125377] should_failslab+0xba/0xf0 [ 61.129247] __kmalloc+0x70/0x7b0 [ 61.132679] ? __tty_buffer_request_room+0x191/0x620 [ 61.137775] __tty_buffer_request_room+0x191/0x620 [ 61.142734] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 61.148247] pty_write+0xf3/0x200 [ 61.151680] tty_put_char+0xff/0x120 [ 61.155386] ? dev_match_devt+0x90/0x90 [ 61.159358] ? pty_write_room+0x8f/0xb0 [ 61.163315] __process_echoes+0x203/0x790 [ 61.167448] n_tty_receive_buf_common+0x75b/0x29a0 [ 61.172475] ? ldsem_wake+0x40/0x40 [ 61.176089] n_tty_receive_buf+0xc/0xe [ 61.179952] tty_ioctl+0x630/0x1270 [ 61.183557] ? avc_ss_reset+0xe0/0xe0 [ 61.187340] ? tty_vhangup+0x20/0x20 [ 61.191035] ? get_pid_task+0x8b/0x100 [ 61.194905] ? proc_fail_nth_write+0xd6/0x160 [ 61.199378] ? proc_cwd_link+0x1a0/0x1a0 [ 61.203417] ? __fdget_pos+0x8e/0xc0 [ 61.207108] ? trace_hardirqs_on+0x10/0x10 [ 61.211317] ? __vfs_write+0xde/0x850 [ 61.215110] ? __might_sleep+0x93/0xb0 [ 61.218976] do_vfs_ioctl+0x183/0xfc0 [ 61.222761] ? __fget+0x1ad/0x2f0 [ 61.226220] ? ioctl_preallocate+0x1a0/0x1a0 [ 61.230606] ? __fget+0x1ca/0x2f0 [ 61.234035] ? security_file_ioctl+0x70/0xa0 [ 61.238419] ? selinux_file_mprotect+0x630/0x630 [ 61.243146] ? security_file_ioctl+0x70/0xa0 [ 61.247529] SyS_ioctl+0x74/0x80 [ 61.250869] ? do_vfs_ioctl+0xfc0/0xfc0 [ 61.254819] do_syscall_64+0x1c9/0x5b0 [ 61.258679] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.263500] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.268684] RIP: 0033:0x458c29 [ 61.271850] RSP: 002b:00007ff56bd16c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.279555] RAX: ffffffffffffffda RBX: 00007ff56bd16c90 RCX: 0000000000458c29 [ 61.286893] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 61.294150] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.301402] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff56bd176d4 [ 61.308663] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 61.315925] CPU: 1 PID: 6934 Comm: syz-executor.1 Not tainted 4.14.172-syzkaller #0 [ 61.320502] FAULT_INJECTION: forcing a failure. [ 61.320502] name failslab, interval 1, probability 0, space 0, times 0 [ 61.323720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.344400] Call Trace: [ 61.347506] dump_stack+0xf7/0x13b [ 61.351049] should_fail.cold.3+0x105/0x14b [ 61.355355] should_failslab+0xba/0xf0 [ 61.359234] __kmalloc+0x70/0x7b0 [ 61.362691] ? __tty_buffer_request_room+0x191/0x620 [ 61.367774] __tty_buffer_request_room+0x191/0x620 [ 61.372940] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 61.378454] pty_write+0xf3/0x200 [ 61.381885] tty_put_char+0xff/0x120 [ 61.385575] ? dev_match_devt+0x90/0x90 [ 61.389527] ? pty_write_room+0x8f/0xb0 [ 61.393478] __process_echoes+0x203/0x790 [ 61.397612] n_tty_receive_buf_common+0x75b/0x29a0 [ 61.402658] ? ldsem_wake+0x40/0x40 [ 61.406273] n_tty_receive_buf+0xc/0xe [ 61.410164] tty_ioctl+0x630/0x1270 [ 61.413782] ? avc_ss_reset+0xe0/0xe0 [ 61.417589] ? tty_vhangup+0x20/0x20 [ 61.421404] ? get_pid_task+0x8b/0x100 [ 61.425286] ? proc_fail_nth_write+0xd6/0x160 [ 61.429759] ? proc_cwd_link+0x1a0/0x1a0 [ 61.433824] ? __fdget_pos+0x8e/0xc0 [ 61.437520] ? trace_hardirqs_on+0x10/0x10 [ 61.441731] ? __vfs_write+0xde/0x850 [ 61.445514] ? __might_sleep+0x93/0xb0 [ 61.449399] do_vfs_ioctl+0x183/0xfc0 [ 61.453180] ? __fget+0x1ad/0x2f0 [ 61.456626] ? ioctl_preallocate+0x1a0/0x1a0 [ 61.461040] ? __fget+0x1ca/0x2f0 [ 61.464477] ? security_file_ioctl+0x70/0xa0 [ 61.468874] ? selinux_file_mprotect+0x630/0x630 [ 61.473609] ? security_file_ioctl+0x70/0xa0 [ 61.477996] SyS_ioctl+0x74/0x80 [ 61.481338] ? do_vfs_ioctl+0xfc0/0xfc0 [ 61.485289] do_syscall_64+0x1c9/0x5b0 [ 61.489162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.493985] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.499150] RIP: 0033:0x458c29 [ 61.502318] RSP: 002b:00007f072b37fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.510010] RAX: ffffffffffffffda RBX: 00007f072b37fc90 RCX: 0000000000458c29 [ 61.517256] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 61.524501] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.531757] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f072b3806d4 [ 61.539205] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 61.546472] CPU: 0 PID: 6933 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 61.554269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.554422] FAULT_INJECTION: forcing a failure. [ 61.554422] name failslab, interval 1, probability 0, space 0, times 0 [ 61.563632] Call Trace: [ 61.577439] dump_stack+0xf7/0x13b [ 61.580976] should_fail.cold.3+0x105/0x14b [ 61.585287] should_failslab+0xba/0xf0 [ 61.589159] __kmalloc+0x70/0x7b0 [ 61.592614] ? __tty_buffer_request_room+0x191/0x620 [ 61.597726] __tty_buffer_request_room+0x191/0x620 [ 61.602652] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 61.608292] pty_write+0xf3/0x200 [ 61.611729] tty_put_char+0xff/0x120 [ 61.615434] ? dev_match_devt+0x90/0x90 [ 61.619411] ? pty_write_room+0x8f/0xb0 [ 61.623374] __process_echoes+0x203/0x790 [ 61.627518] n_tty_receive_buf_common+0x75b/0x29a0 [ 61.632433] ? ldsem_wake+0x40/0x40 [ 61.636042] n_tty_receive_buf+0xc/0xe [ 61.639915] tty_ioctl+0x630/0x1270 [ 61.643517] ? avc_ss_reset+0xe0/0xe0 [ 61.647297] ? tty_vhangup+0x20/0x20 [ 61.650993] ? get_pid_task+0x8b/0x100 [ 61.654883] ? proc_fail_nth_write+0xd6/0x160 [ 61.659357] ? proc_cwd_link+0x1a0/0x1a0 [ 61.663398] ? __fdget_pos+0x8e/0xc0 [ 61.667094] ? trace_hardirqs_on+0x10/0x10 [ 61.671305] ? __vfs_write+0xde/0x850 [ 61.675104] ? __might_sleep+0x93/0xb0 [ 61.678970] do_vfs_ioctl+0x183/0xfc0 [ 61.682765] ? __fget+0x1ad/0x2f0 [ 61.686198] ? ioctl_preallocate+0x1a0/0x1a0 [ 61.690674] ? __fget+0x1ca/0x2f0 [ 61.694121] ? security_file_ioctl+0x70/0xa0 [ 61.698523] ? selinux_file_mprotect+0x630/0x630 [ 61.703267] ? security_file_ioctl+0x70/0xa0 [ 61.707675] SyS_ioctl+0x74/0x80 [ 61.711018] ? do_vfs_ioctl+0xfc0/0xfc0 [ 61.714986] do_syscall_64+0x1c9/0x5b0 [ 61.718850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.723674] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.728853] RIP: 0033:0x458c29 [ 61.732025] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.739724] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 61.746990] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 61.754362] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.761622] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 61.768886] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 61.776426] CPU: 1 PID: 6932 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0 [ 61.782425] FAULT_INJECTION: forcing a failure. [ 61.782425] name failslab, interval 1, probability 0, space 0, times 0 [ 61.784222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.804868] Call Trace: [ 61.807446] dump_stack+0xf7/0x13b [ 61.810977] should_fail.cold.3+0x105/0x14b [ 61.815294] should_failslab+0xba/0xf0 [ 61.819167] __kmalloc+0x70/0x7b0 [ 61.822607] ? __tty_buffer_request_room+0x191/0x620 [ 61.827729] __tty_buffer_request_room+0x191/0x620 [ 61.832764] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 61.838300] pty_write+0xf3/0x200 [ 61.841753] tty_put_char+0xff/0x120 [ 61.845588] ? dev_match_devt+0x90/0x90 [ 61.849549] ? pty_write_room+0x8f/0xb0 [ 61.853519] __process_echoes+0x203/0x790 [ 61.857653] n_tty_receive_buf_common+0x75b/0x29a0 [ 61.862574] ? ldsem_wake+0x40/0x40 [ 61.866200] n_tty_receive_buf+0xc/0xe [ 61.870093] tty_ioctl+0x630/0x1270 [ 61.873710] ? avc_ss_reset+0xe0/0xe0 [ 61.877506] ? tty_vhangup+0x20/0x20 [ 61.881227] ? get_pid_task+0x8b/0x100 [ 61.885195] ? proc_fail_nth_write+0xd6/0x160 [ 61.889683] ? proc_cwd_link+0x1a0/0x1a0 [ 61.893845] ? __fdget_pos+0x8e/0xc0 [ 61.897664] ? trace_hardirqs_on+0x10/0x10 [ 61.901878] ? __vfs_write+0xde/0x850 [ 61.905672] ? __might_sleep+0x93/0xb0 [ 61.909569] do_vfs_ioctl+0x183/0xfc0 [ 61.913368] ? __fget+0x1ad/0x2f0 [ 61.916814] ? ioctl_preallocate+0x1a0/0x1a0 [ 61.921205] ? __fget+0x1ca/0x2f0 [ 61.924655] ? security_file_ioctl+0x70/0xa0 [ 61.929056] ? selinux_file_mprotect+0x630/0x630 [ 61.933818] ? security_file_ioctl+0x70/0xa0 [ 61.938222] SyS_ioctl+0x74/0x80 [ 61.941580] ? do_vfs_ioctl+0xfc0/0xfc0 [ 61.945562] do_syscall_64+0x1c9/0x5b0 [ 61.949432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.954273] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.959451] RIP: 0033:0x458c29 [ 61.962622] RSP: 002b:00007f3706cf6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.970328] RAX: ffffffffffffffda RBX: 00007f3706cf6c90 RCX: 0000000000458c29 [ 61.977588] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 61.984836] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 61.992170] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3706cf76d4 2020/02/29 04:55:22 executed programs: 20 [ 61.999417] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 62.006683] CPU: 0 PID: 6930 Comm: syz-executor.3 Not tainted 4.14.172-syzkaller #0 [ 62.014478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.023825] Call Trace: [ 62.026409] dump_stack+0xf7/0x13b [ 62.029945] should_fail.cold.3+0x105/0x14b [ 62.034265] should_failslab+0xba/0xf0 [ 62.038157] __kmalloc+0x70/0x7b0 [ 62.041613] ? __tty_buffer_request_room+0x191/0x620 [ 62.043789] FAULT_INJECTION: forcing a failure. [ 62.043789] name failslab, interval 1, probability 0, space 0, times 0 [ 62.046706] __tty_buffer_request_room+0x191/0x620 [ 62.062774] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 62.068292] pty_write+0xf3/0x200 [ 62.071725] tty_put_char+0xff/0x120 [ 62.075430] ? dev_match_devt+0x90/0x90 [ 62.079389] ? pty_write_room+0x8f/0xb0 [ 62.083351] __process_echoes+0x203/0x790 [ 62.087485] n_tty_receive_buf_common+0x75b/0x29a0 [ 62.092392] ? ldsem_wake+0x40/0x40 [ 62.096002] n_tty_receive_buf+0xc/0xe [ 62.099865] tty_ioctl+0x630/0x1270 [ 62.103478] ? avc_ss_reset+0xe0/0xe0 [ 62.107264] ? tty_vhangup+0x20/0x20 [ 62.110961] ? get_pid_task+0x8b/0x100 [ 62.114824] ? proc_fail_nth_write+0xd6/0x160 [ 62.119292] ? proc_cwd_link+0x1a0/0x1a0 [ 62.123339] ? __fdget_pos+0x8e/0xc0 [ 62.127032] ? trace_hardirqs_on+0x10/0x10 [ 62.131247] ? __vfs_write+0xde/0x850 [ 62.135027] ? __might_sleep+0x93/0xb0 [ 62.138893] do_vfs_ioctl+0x183/0xfc0 [ 62.142676] ? __fget+0x1ad/0x2f0 [ 62.146104] ? ioctl_preallocate+0x1a0/0x1a0 [ 62.150488] ? __fget+0x1ca/0x2f0 [ 62.153920] ? security_file_ioctl+0x70/0xa0 [ 62.158305] ? selinux_file_mprotect+0x630/0x630 [ 62.163035] ? security_file_ioctl+0x70/0xa0 [ 62.167429] SyS_ioctl+0x74/0x80 [ 62.170771] ? do_vfs_ioctl+0xfc0/0xfc0 [ 62.174732] do_syscall_64+0x1c9/0x5b0 [ 62.178605] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.183427] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.188632] RIP: 0033:0x458c29 [ 62.191800] RSP: 002b:00007f9a80c7bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.199494] RAX: ffffffffffffffda RBX: 00007f9a80c7bc90 RCX: 0000000000458c29 [ 62.206742] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 62.213988] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 62.221320] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a80c7c6d4 [ 62.228573] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 62.235842] CPU: 1 PID: 6945 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 62.243645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.248348] FAULT_INJECTION: forcing a failure. [ 62.248348] name failslab, interval 1, probability 0, space 0, times 0 [ 62.253164] Call Trace: [ 62.266930] dump_stack+0xf7/0x13b [ 62.270456] should_fail.cold.3+0x105/0x14b [ 62.274774] should_failslab+0xba/0xf0 [ 62.278637] __kmalloc+0x70/0x7b0 [ 62.282066] ? __tty_buffer_request_room+0x191/0x620 [ 62.287143] __tty_buffer_request_room+0x191/0x620 [ 62.292066] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 62.297579] pty_write+0xf3/0x200 [ 62.301014] tty_put_char+0xff/0x120 [ 62.304713] ? dev_match_devt+0x90/0x90 [ 62.308673] ? pty_write_room+0x8f/0xb0 [ 62.312624] __process_echoes+0x203/0x790 [ 62.316750] n_tty_receive_buf_common+0x75b/0x29a0 [ 62.321658] ? ldsem_wake+0x40/0x40 [ 62.325268] n_tty_receive_buf+0xc/0xe [ 62.329131] tty_ioctl+0x630/0x1270 [ 62.332732] ? avc_ss_reset+0xe0/0xe0 [ 62.336509] ? tty_vhangup+0x20/0x20 [ 62.340201] ? get_pid_task+0x8b/0x100 [ 62.344065] ? proc_fail_nth_write+0xd6/0x160 [ 62.348533] ? proc_cwd_link+0x1a0/0x1a0 [ 62.352569] ? __fdget_pos+0x8e/0xc0 [ 62.356260] ? trace_hardirqs_on+0x10/0x10 [ 62.360469] ? __vfs_write+0xde/0x850 [ 62.364262] ? __might_sleep+0x93/0xb0 [ 62.368126] do_vfs_ioctl+0x183/0xfc0 [ 62.371930] ? __fget+0x1ad/0x2f0 [ 62.375357] ? ioctl_preallocate+0x1a0/0x1a0 [ 62.379756] ? __fget+0x1ca/0x2f0 [ 62.383285] ? security_file_ioctl+0x70/0xa0 [ 62.387669] ? selinux_file_mprotect+0x630/0x630 [ 62.392400] ? security_file_ioctl+0x70/0xa0 [ 62.396782] SyS_ioctl+0x74/0x80 [ 62.400123] ? do_vfs_ioctl+0xfc0/0xfc0 [ 62.404073] do_syscall_64+0x1c9/0x5b0 [ 62.407936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.412763] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.417929] RIP: 0033:0x458c29 [ 62.421098] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.428780] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 62.436027] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 62.443271] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 62.450520] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 62.457897] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 62.465188] CPU: 0 PID: 6950 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 [ 62.473098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.482546] Call Trace: [ 62.485136] dump_stack+0xf7/0x13b [ 62.488702] should_fail.cold.3+0x105/0x14b [ 62.493127] should_failslab+0xba/0xf0 [ 62.497014] __kmalloc+0x70/0x7b0 [ 62.500462] ? __tty_buffer_request_room+0x191/0x620 [ 62.505563] __tty_buffer_request_room+0x191/0x620 [ 62.510512] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 62.516136] pty_write+0xf3/0x200 [ 62.518902] FAULT_INJECTION: forcing a failure. [ 62.518902] name failslab, interval 1, probability 0, space 0, times 0 [ 62.519588] tty_put_char+0xff/0x120 [ 62.534499] ? dev_match_devt+0x90/0x90 [ 62.538477] ? pty_write_room+0x8f/0xb0 [ 62.542453] __process_echoes+0x203/0x790 [ 62.546587] n_tty_receive_buf_common+0x75b/0x29a0 [ 62.551524] ? ldsem_wake+0x40/0x40 [ 62.555139] n_tty_receive_buf+0xc/0xe [ 62.559019] tty_ioctl+0x630/0x1270 [ 62.562635] ? avc_ss_reset+0xe0/0xe0 [ 62.566434] ? tty_vhangup+0x20/0x20 [ 62.570141] ? get_pid_task+0x8b/0x100 [ 62.574008] ? proc_fail_nth_write+0xd6/0x160 [ 62.578591] ? proc_cwd_link+0x1a0/0x1a0 [ 62.582631] ? __fdget_pos+0x8e/0xc0 [ 62.586338] ? trace_hardirqs_on+0x10/0x10 [ 62.590574] ? __vfs_write+0xde/0x850 [ 62.594376] ? __might_sleep+0x93/0xb0 [ 62.598259] do_vfs_ioctl+0x183/0xfc0 [ 62.602040] ? __fget+0x1ad/0x2f0 [ 62.605492] ? ioctl_preallocate+0x1a0/0x1a0 [ 62.609889] ? __fget+0x1ca/0x2f0 [ 62.613343] ? security_file_ioctl+0x70/0xa0 [ 62.617741] ? selinux_file_mprotect+0x630/0x630 [ 62.622486] ? security_file_ioctl+0x70/0xa0 [ 62.626875] SyS_ioctl+0x74/0x80 [ 62.630240] ? do_vfs_ioctl+0xfc0/0xfc0 [ 62.634195] do_syscall_64+0x1c9/0x5b0 [ 62.638072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.642907] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.648082] RIP: 0033:0x458c29 [ 62.651253] RSP: 002b:00007f81f3c5cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.658949] RAX: ffffffffffffffda RBX: 00007f81f3c5cc90 RCX: 0000000000458c29 [ 62.666215] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 62.673476] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 62.680729] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81f3c5d6d4 [ 62.687988] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 62.695257] CPU: 1 PID: 6957 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0 [ 62.703051] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.708157] FAULT_INJECTION: forcing a failure. [ 62.708157] name failslab, interval 1, probability 0, space 0, times 0 [ 62.712532] Call Trace: [ 62.726292] dump_stack+0xf7/0x13b [ 62.729810] should_fail.cold.3+0x105/0x14b [ 62.734138] should_failslab+0xba/0xf0 [ 62.738010] __kmalloc+0x70/0x7b0 [ 62.741454] ? __tty_buffer_request_room+0x191/0x620 [ 62.746544] __tty_buffer_request_room+0x191/0x620 [ 62.751458] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 62.756987] pty_write+0xf3/0x200 [ 62.760434] tty_put_char+0xff/0x120 [ 62.764130] ? dev_match_devt+0x90/0x90 [ 62.768085] ? pty_write_room+0x8f/0xb0 [ 62.772053] __process_echoes+0x203/0x790 [ 62.776182] n_tty_receive_buf_common+0x75b/0x29a0 [ 62.781216] ? ldsem_wake+0x40/0x40 [ 62.784829] n_tty_receive_buf+0xc/0xe [ 62.788693] tty_ioctl+0x630/0x1270 [ 62.792302] ? avc_ss_reset+0xe0/0xe0 [ 62.796081] ? tty_vhangup+0x20/0x20 [ 62.799787] ? get_pid_task+0x8b/0x100 [ 62.803654] ? proc_fail_nth_write+0xd6/0x160 [ 62.808128] ? proc_cwd_link+0x1a0/0x1a0 [ 62.812174] ? __fdget_pos+0x8e/0xc0 [ 62.815884] ? trace_hardirqs_on+0x10/0x10 [ 62.821319] ? __vfs_write+0xde/0x850 [ 62.825113] ? __might_sleep+0x93/0xb0 [ 62.828979] do_vfs_ioctl+0x183/0xfc0 [ 62.832756] ? __fget+0x1ad/0x2f0 [ 62.836193] ? ioctl_preallocate+0x1a0/0x1a0 [ 62.840577] ? __fget+0x1ca/0x2f0 [ 62.844007] ? security_file_ioctl+0x70/0xa0 [ 62.848409] ? selinux_file_mprotect+0x630/0x630 [ 62.853138] ? security_file_ioctl+0x70/0xa0 [ 62.857526] SyS_ioctl+0x74/0x80 [ 62.860866] ? do_vfs_ioctl+0xfc0/0xfc0 [ 62.865250] do_syscall_64+0x1c9/0x5b0 [ 62.869115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 62.873934] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 62.879100] RIP: 0033:0x458c29 [ 62.882285] RSP: 002b:00007f3706cf6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 62.889978] RAX: ffffffffffffffda RBX: 00007f3706cf6c90 RCX: 0000000000458c29 [ 62.897226] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 62.904473] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 62.911720] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3706cf76d4 [ 62.918965] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 62.926222] CPU: 0 PID: 6951 Comm: syz-executor.1 Not tainted 4.14.172-syzkaller #0 [ 62.934020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.943370] Call Trace: [ 62.945954] dump_stack+0xf7/0x13b [ 62.949502] should_fail.cold.3+0x105/0x14b [ 62.953829] should_failslab+0xba/0xf0 [ 62.957715] __kmalloc+0x70/0x7b0 [ 62.958483] FAULT_INJECTION: forcing a failure. [ 62.958483] name failslab, interval 1, probability 0, space 0, times 0 [ 62.961159] ? __tty_buffer_request_room+0x191/0x620 [ 62.977407] __tty_buffer_request_room+0x191/0x620 [ 62.982486] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 62.987998] pty_write+0xf3/0x200 [ 62.991426] tty_put_char+0xff/0x120 [ 62.995114] ? dev_match_devt+0x90/0x90 [ 62.999065] ? pty_write_room+0x8f/0xb0 [ 63.003023] __process_echoes+0x203/0x790 [ 63.007148] n_tty_receive_buf_common+0x75b/0x29a0 [ 63.012052] ? ldsem_wake+0x40/0x40 [ 63.015859] n_tty_receive_buf+0xc/0xe [ 63.019724] tty_ioctl+0x630/0x1270 [ 63.023327] ? avc_ss_reset+0xe0/0xe0 [ 63.027101] ? tty_vhangup+0x20/0x20 [ 63.030805] ? get_pid_task+0x8b/0x100 [ 63.034669] ? proc_fail_nth_write+0xd6/0x160 [ 63.039141] ? proc_cwd_link+0x1a0/0x1a0 [ 63.043178] ? __fdget_pos+0x8e/0xc0 [ 63.046869] ? trace_hardirqs_on+0x10/0x10 [ 63.051082] ? __vfs_write+0xde/0x850 [ 63.054867] ? __might_sleep+0x93/0xb0 [ 63.058730] do_vfs_ioctl+0x183/0xfc0 [ 63.062505] ? __fget+0x1ad/0x2f0 [ 63.065944] ? ioctl_preallocate+0x1a0/0x1a0 [ 63.070327] ? __fget+0x1ca/0x2f0 [ 63.073756] ? security_file_ioctl+0x70/0xa0 [ 63.078139] ? selinux_file_mprotect+0x630/0x630 [ 63.082870] ? security_file_ioctl+0x70/0xa0 [ 63.087253] SyS_ioctl+0x74/0x80 [ 63.090682] ? do_vfs_ioctl+0xfc0/0xfc0 [ 63.096283] do_syscall_64+0x1c9/0x5b0 [ 63.100145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.104967] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.110132] RIP: 0033:0x458c29 [ 63.113296] RSP: 002b:00007f072b37fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.120990] RAX: ffffffffffffffda RBX: 00007f072b37fc90 RCX: 0000000000458c29 [ 63.128245] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 63.135499] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 63.142748] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f072b3806d4 [ 63.150007] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 63.157273] CPU: 1 PID: 6966 Comm: syz-executor.3 Not tainted 4.14.172-syzkaller #0 [ 63.165064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.173616] FAULT_INJECTION: forcing a failure. [ 63.173616] name failslab, interval 1, probability 0, space 0, times 0 [ 63.174408] Call Trace: [ 63.188166] dump_stack+0xf7/0x13b [ 63.191687] should_fail.cold.3+0x105/0x14b [ 63.195991] should_failslab+0xba/0xf0 [ 63.199856] __kmalloc+0x70/0x7b0 [ 63.203286] ? __tty_buffer_request_room+0x191/0x620 [ 63.208365] __tty_buffer_request_room+0x191/0x620 [ 63.213280] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 63.218809] pty_write+0xf3/0x200 [ 63.222245] tty_put_char+0xff/0x120 [ 63.225932] ? dev_match_devt+0x90/0x90 [ 63.229890] ? pty_write_room+0x8f/0xb0 [ 63.233841] __process_echoes+0x203/0x790 [ 63.237965] n_tty_receive_buf_common+0x75b/0x29a0 [ 63.242877] ? ldsem_wake+0x40/0x40 [ 63.246504] n_tty_receive_buf+0xc/0xe [ 63.250370] tty_ioctl+0x630/0x1270 [ 63.253972] ? avc_ss_reset+0xe0/0xe0 [ 63.257745] ? tty_vhangup+0x20/0x20 [ 63.261433] ? get_pid_task+0x8b/0x100 [ 63.265304] ? proc_fail_nth_write+0xd6/0x160 [ 63.269773] ? proc_cwd_link+0x1a0/0x1a0 [ 63.273812] ? __fdget_pos+0x8e/0xc0 [ 63.277503] ? trace_hardirqs_on+0x10/0x10 [ 63.281713] ? __vfs_write+0xde/0x850 [ 63.285499] ? __might_sleep+0x93/0xb0 [ 63.289364] do_vfs_ioctl+0x183/0xfc0 [ 63.293140] ? __fget+0x1ad/0x2f0 [ 63.296567] ? ioctl_preallocate+0x1a0/0x1a0 [ 63.300958] ? __fget+0x1ca/0x2f0 [ 63.304391] ? security_file_ioctl+0x70/0xa0 [ 63.308785] ? selinux_file_mprotect+0x630/0x630 [ 63.313514] ? security_file_ioctl+0x70/0xa0 [ 63.317919] SyS_ioctl+0x74/0x80 [ 63.321259] ? do_vfs_ioctl+0xfc0/0xfc0 [ 63.325207] do_syscall_64+0x1c9/0x5b0 [ 63.329072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.333899] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.339064] RIP: 0033:0x458c29 [ 63.342238] RSP: 002b:00007f9a80c7bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.349921] RAX: ffffffffffffffda RBX: 00007f9a80c7bc90 RCX: 0000000000458c29 [ 63.357174] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 63.364436] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 63.371682] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9a80c7c6d4 [ 63.378935] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 63.386364] CPU: 0 PID: 6972 Comm: syz-executor.5 Not tainted 4.14.172-syzkaller #0 [ 63.394163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.400486] FAULT_INJECTION: forcing a failure. [ 63.400486] name failslab, interval 1, probability 0, space 0, times 0 [ 63.403518] Call Trace: [ 63.417253] dump_stack+0xf7/0x13b [ 63.420773] should_fail.cold.3+0x105/0x14b [ 63.425070] should_failslab+0xba/0xf0 [ 63.428944] __kmalloc+0x70/0x7b0 [ 63.432386] ? __tty_buffer_request_room+0x191/0x620 [ 63.437463] __tty_buffer_request_room+0x191/0x620 [ 63.442367] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 63.447895] pty_write+0xf3/0x200 [ 63.451331] tty_put_char+0xff/0x120 [ 63.455021] ? dev_match_devt+0x90/0x90 [ 63.459507] ? pty_write_room+0x8f/0xb0 [ 63.463532] __process_echoes+0x203/0x790 [ 63.467681] n_tty_receive_buf_common+0x75b/0x29a0 [ 63.472605] ? ldsem_wake+0x40/0x40 [ 63.476230] n_tty_receive_buf+0xc/0xe [ 63.480110] tty_ioctl+0x630/0x1270 [ 63.483857] ? avc_ss_reset+0xe0/0xe0 [ 63.487644] ? tty_vhangup+0x20/0x20 [ 63.491351] ? get_pid_task+0x8b/0x100 [ 63.495397] ? proc_fail_nth_write+0xd6/0x160 [ 63.499887] ? proc_cwd_link+0x1a0/0x1a0 [ 63.503958] ? __fdget_pos+0x8e/0xc0 [ 63.507659] ? trace_hardirqs_on+0x10/0x10 [ 63.511997] ? __vfs_write+0xde/0x850 [ 63.515816] ? __might_sleep+0x93/0xb0 [ 63.520265] do_vfs_ioctl+0x183/0xfc0 [ 63.524160] ? __fget+0x1ad/0x2f0 [ 63.529077] ? ioctl_preallocate+0x1a0/0x1a0 [ 63.533780] ? __fget+0x1ca/0x2f0 [ 63.537222] ? security_file_ioctl+0x70/0xa0 [ 63.541674] ? selinux_file_mprotect+0x630/0x630 [ 63.546435] ? security_file_ioctl+0x70/0xa0 [ 63.550953] SyS_ioctl+0x74/0x80 [ 63.554317] ? do_vfs_ioctl+0xfc0/0xfc0 [ 63.558288] do_syscall_64+0x1c9/0x5b0 [ 63.562175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.567005] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.572299] RIP: 0033:0x458c29 [ 63.575473] RSP: 002b:00007ff56bd16c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.583296] RAX: ffffffffffffffda RBX: 00007ff56bd16c90 RCX: 0000000000458c29 [ 63.590561] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 63.597824] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 63.605091] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff56bd176d4 [ 63.612357] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 63.619662] CPU: 1 PID: 6973 Comm: syz-executor.2 Not tainted 4.14.172-syzkaller #0 [ 63.624074] FAULT_INJECTION: forcing a failure. [ 63.624074] name failslab, interval 1, probability 0, space 0, times 0 [ 63.627464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.648213] Call Trace: [ 63.650806] dump_stack+0xf7/0x13b [ 63.654352] should_fail.cold.3+0x105/0x14b [ 63.658823] should_failslab+0xba/0xf0 [ 63.662702] __kmalloc+0x70/0x7b0 [ 63.666167] ? __tty_buffer_request_room+0x191/0x620 [ 63.671356] __tty_buffer_request_room+0x191/0x620 [ 63.676285] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 63.681825] pty_write+0xf3/0x200 [ 63.685274] tty_put_char+0xff/0x120 [ 63.688980] ? dev_match_devt+0x90/0x90 [ 63.692957] ? pty_write_room+0x8f/0xb0 [ 63.697050] __process_echoes+0x203/0x790 [ 63.701198] n_tty_receive_buf_common+0x75b/0x29a0 [ 63.706261] ? ldsem_wake+0x40/0x40 [ 63.709877] n_tty_receive_buf+0xc/0xe [ 63.713757] tty_ioctl+0x630/0x1270 [ 63.717381] ? avc_ss_reset+0xe0/0xe0 [ 63.721186] ? tty_vhangup+0x20/0x20 [ 63.724886] ? get_pid_task+0x8b/0x100 [ 63.728788] ? proc_fail_nth_write+0xd6/0x160 [ 63.733266] ? proc_cwd_link+0x1a0/0x1a0 [ 63.737429] ? __fdget_pos+0x8e/0xc0 [ 63.741137] ? trace_hardirqs_on+0x10/0x10 [ 63.745359] ? __vfs_write+0xde/0x850 [ 63.749271] ? __might_sleep+0x93/0xb0 [ 63.753162] do_vfs_ioctl+0x183/0xfc0 [ 63.757013] ? __fget+0x1ad/0x2f0 [ 63.760569] ? ioctl_preallocate+0x1a0/0x1a0 [ 63.764972] ? __fget+0x1ca/0x2f0 [ 63.768528] ? security_file_ioctl+0x70/0xa0 [ 63.772921] ? selinux_file_mprotect+0x630/0x630 [ 63.777786] ? security_file_ioctl+0x70/0xa0 [ 63.782206] SyS_ioctl+0x74/0x80 [ 63.785681] ? do_vfs_ioctl+0xfc0/0xfc0 [ 63.789673] do_syscall_64+0x1c9/0x5b0 [ 63.793553] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.798407] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 63.803589] RIP: 0033:0x458c29 [ 63.806784] RSP: 002b:00007f39f2be2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 63.814497] RAX: ffffffffffffffda RBX: 00007f39f2be2c90 RCX: 0000000000458c29 [ 63.821763] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 63.829169] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 63.836533] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f39f2be36d4 [ 63.843796] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 63.851078] CPU: 0 PID: 6971 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 [ 63.858878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 63.865486] FAULT_INJECTION: forcing a failure. [ 63.865486] name failslab, interval 1, probability 0, space 0, times 0 [ 63.868252] Call Trace: [ 63.882034] dump_stack+0xf7/0x13b [ 63.885620] should_fail.cold.3+0x105/0x14b [ 63.889927] should_failslab+0xba/0xf0 [ 63.893820] __kmalloc+0x70/0x7b0 [ 63.897397] ? __tty_buffer_request_room+0x191/0x620 [ 63.902485] __tty_buffer_request_room+0x191/0x620 [ 63.907426] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 63.912961] pty_write+0xf3/0x200 [ 63.916399] tty_put_char+0xff/0x120 [ 63.920105] ? dev_match_devt+0x90/0x90 [ 63.924079] ? pty_write_room+0x8f/0xb0 [ 63.928157] __process_echoes+0x203/0x790 [ 63.932293] n_tty_receive_buf_common+0x75b/0x29a0 [ 63.937215] ? ldsem_wake+0x40/0x40 [ 63.940839] n_tty_receive_buf+0xc/0xe [ 63.944706] tty_ioctl+0x630/0x1270 [ 63.948323] ? avc_ss_reset+0xe0/0xe0 [ 63.952237] ? tty_vhangup+0x20/0x20 [ 63.955941] ? get_pid_task+0x8b/0x100 [ 63.959812] ? proc_fail_nth_write+0xd6/0x160 [ 63.964335] ? proc_cwd_link+0x1a0/0x1a0 [ 63.968545] ? __fdget_pos+0x8e/0xc0 [ 63.972265] ? trace_hardirqs_on+0x10/0x10 [ 63.976493] ? __vfs_write+0xde/0x850 [ 63.980298] ? __might_sleep+0x93/0xb0 [ 63.984181] do_vfs_ioctl+0x183/0xfc0 [ 63.987973] ? __fget+0x1ad/0x2f0 [ 63.991412] ? ioctl_preallocate+0x1a0/0x1a0 [ 63.995815] ? __fget+0x1ca/0x2f0 [ 63.999265] ? security_file_ioctl+0x70/0xa0 [ 64.003683] ? selinux_file_mprotect+0x630/0x630 [ 64.008432] ? security_file_ioctl+0x70/0xa0 [ 64.012834] SyS_ioctl+0x74/0x80 [ 64.016196] ? do_vfs_ioctl+0xfc0/0xfc0 [ 64.020175] do_syscall_64+0x1c9/0x5b0 [ 64.024074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.028911] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.034124] RIP: 0033:0x458c29 [ 64.037312] RSP: 002b:00007f81f3c5cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 64.045021] RAX: ffffffffffffffda RBX: 00007f81f3c5cc90 RCX: 0000000000458c29 [ 64.052281] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 64.059554] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 64.066835] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81f3c5d6d4 [ 64.074110] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 64.081392] CPU: 1 PID: 6975 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0 [ 64.089200] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.098646] Call Trace: [ 64.101235] dump_stack+0xf7/0x13b [ 64.104780] should_fail.cold.3+0x105/0x14b [ 64.109155] should_failslab+0xba/0xf0 [ 64.113033] __kmalloc+0x70/0x7b0 [ 64.116476] ? __tty_buffer_request_room+0x191/0x620 [ 64.121567] __tty_buffer_request_room+0x191/0x620 [ 64.126718] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 64.132456] pty_write+0xf3/0x200 [ 64.135899] tty_put_char+0xff/0x120 [ 64.139786] ? dev_match_devt+0x90/0x90 [ 64.143992] ? pty_write_room+0x8f/0xb0 [ 64.147963] __process_echoes+0x203/0x790 [ 64.152169] n_tty_receive_buf_common+0x75b/0x29a0 [ 64.157136] ? ldsem_wake+0x40/0x40 [ 64.160807] n_tty_receive_buf+0xc/0xe [ 64.164768] tty_ioctl+0x630/0x1270 [ 64.168395] ? avc_ss_reset+0xe0/0xe0 [ 64.172231] ? tty_vhangup+0x20/0x20 [ 64.176049] ? get_pid_task+0x8b/0x100 [ 64.179985] ? proc_fail_nth_write+0xd6/0x160 [ 64.185570] ? proc_cwd_link+0x1a0/0x1a0 [ 64.189771] ? __fdget_pos+0x8e/0xc0 [ 64.193467] ? trace_hardirqs_on+0x10/0x10 [ 64.197731] ? __vfs_write+0xde/0x850 [ 64.201575] ? __might_sleep+0x93/0xb0 [ 64.205678] do_vfs_ioctl+0x183/0xfc0 [ 64.209510] ? __fget+0x1ad/0x2f0 [ 64.212967] ? ioctl_preallocate+0x1a0/0x1a0 [ 64.217497] ? __fget+0x1ca/0x2f0 [ 64.221001] ? security_file_ioctl+0x70/0xa0 [ 64.225527] ? selinux_file_mprotect+0x630/0x630 [ 64.230451] ? security_file_ioctl+0x70/0xa0 [ 64.234980] SyS_ioctl+0x74/0x80 [ 64.238442] ? do_vfs_ioctl+0xfc0/0xfc0 [ 64.242406] do_syscall_64+0x1c9/0x5b0 [ 64.246275] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.251112] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.256431] RIP: 0033:0x458c29 [ 64.259612] RSP: 002b:00007f3706cf6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 64.267323] RAX: ffffffffffffffda RBX: 00007f3706cf6c90 RCX: 0000000000458c29 [ 64.274582] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 64.281855] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 64.289116] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3706cf76d4 [ 64.296597] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 64.343760] FAULT_INJECTION: forcing a failure. [ 64.343760] name failslab, interval 1, probability 0, space 0, times 0 [ 64.345790] FAULT_INJECTION: forcing a failure. [ 64.345790] name failslab, interval 1, probability 0, space 0, times 0 [ 64.355250] CPU: 0 PID: 6987 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 [ 64.374236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.383590] Call Trace: [ 64.386308] dump_stack+0xf7/0x13b [ 64.389859] should_fail.cold.3+0x105/0x14b [ 64.394194] should_failslab+0xba/0xf0 [ 64.398078] __kmalloc+0x70/0x7b0 [ 64.401529] ? __tty_buffer_request_room+0x191/0x620 [ 64.406640] __tty_buffer_request_room+0x191/0x620 [ 64.411817] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 64.417545] pty_write+0xf3/0x200 [ 64.421003] tty_put_char+0xff/0x120 [ 64.424740] ? dev_match_devt+0x90/0x90 [ 64.428715] ? pty_write_room+0x8f/0xb0 [ 64.432688] __process_echoes+0x203/0x790 [ 64.436952] n_tty_receive_buf_common+0x75b/0x29a0 [ 64.442748] ? ldsem_wake+0x40/0x40 [ 64.446375] n_tty_receive_buf+0xc/0xe [ 64.450258] tty_ioctl+0x630/0x1270 [ 64.454011] ? avc_ss_reset+0xe0/0xe0 [ 64.457799] ? tty_vhangup+0x20/0x20 [ 64.461497] ? get_pid_task+0x8b/0x100 [ 64.465381] ? proc_fail_nth_write+0xd6/0x160 [ 64.469868] ? proc_cwd_link+0x1a0/0x1a0 [ 64.473945] ? __fdget_pos+0x8e/0xc0 [ 64.477654] ? trace_hardirqs_on+0x10/0x10 [ 64.481880] ? __vfs_write+0xde/0x850 [ 64.485772] ? __might_sleep+0x93/0xb0 [ 64.489673] do_vfs_ioctl+0x183/0xfc0 [ 64.493458] ? __fget+0x1ad/0x2f0 [ 64.496909] ? ioctl_preallocate+0x1a0/0x1a0 [ 64.501304] ? __fget+0x1ca/0x2f0 [ 64.504753] ? security_file_ioctl+0x70/0xa0 [ 64.509171] ? selinux_file_mprotect+0x630/0x630 [ 64.513939] ? security_file_ioctl+0x70/0xa0 [ 64.518346] SyS_ioctl+0x74/0x80 [ 64.521709] ? do_vfs_ioctl+0xfc0/0xfc0 [ 64.525760] do_syscall_64+0x1c9/0x5b0 [ 64.529646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.534476] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.539663] RIP: 0033:0x458c29 [ 64.542835] RSP: 002b:00007f81f3c5cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 64.550756] RAX: ffffffffffffffda RBX: 00007f81f3c5cc90 RCX: 0000000000458c29 [ 64.558021] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 64.565296] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 64.572561] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f81f3c5d6d4 [ 64.579828] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 64.587100] CPU: 1 PID: 6985 Comm: syz-executor.1 Not tainted 4.14.172-syzkaller #0 [ 64.595000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.604463] Call Trace: [ 64.607060] dump_stack+0xf7/0x13b [ 64.610633] should_fail.cold.3+0x105/0x14b [ 64.614980] should_failslab+0xba/0xf0 [ 64.618920] __kmalloc+0x70/0x7b0 [ 64.622376] ? __tty_buffer_request_room+0x191/0x620 [ 64.627488] __tty_buffer_request_room+0x191/0x620 [ 64.627546] FAULT_INJECTION: forcing a failure. [ 64.627546] name failslab, interval 1, probability 0, space 0, times 0 [ 64.632420] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 64.649165] pty_write+0xf3/0x200 [ 64.652619] tty_put_char+0xff/0x120 [ 64.656342] ? dev_match_devt+0x90/0x90 [ 64.660330] ? pty_write_room+0x8f/0xb0 [ 64.664301] __process_echoes+0x203/0x790 [ 64.668456] n_tty_receive_buf_common+0x75b/0x29a0 [ 64.673426] ? ldsem_wake+0x40/0x40 [ 64.677073] n_tty_receive_buf+0xc/0xe [ 64.680975] tty_ioctl+0x630/0x1270 [ 64.684585] ? avc_ss_reset+0xe0/0xe0 [ 64.688475] ? tty_vhangup+0x20/0x20 [ 64.692188] ? get_pid_task+0x8b/0x100 [ 64.696070] ? proc_fail_nth_write+0xd6/0x160 [ 64.700559] ? proc_cwd_link+0x1a0/0x1a0 [ 64.704614] ? __fdget_pos+0x8e/0xc0 [ 64.708332] ? trace_hardirqs_on+0x10/0x10 [ 64.712562] ? __vfs_write+0xde/0x850 [ 64.716384] ? __might_sleep+0x93/0xb0 [ 64.720260] do_vfs_ioctl+0x183/0xfc0 [ 64.724067] ? __fget+0x1ad/0x2f0 [ 64.727503] ? ioctl_preallocate+0x1a0/0x1a0 [ 64.731916] ? __fget+0x1ca/0x2f0 [ 64.735353] ? security_file_ioctl+0x70/0xa0 [ 64.739755] ? selinux_file_mprotect+0x630/0x630 [ 64.744508] ? security_file_ioctl+0x70/0xa0 [ 64.749015] SyS_ioctl+0x74/0x80 [ 64.752636] ? do_vfs_ioctl+0xfc0/0xfc0 [ 64.756612] do_syscall_64+0x1c9/0x5b0 [ 64.760488] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.765347] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 64.770629] RIP: 0033:0x458c29 [ 64.773804] RSP: 002b:00007f072b37fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 64.781850] RAX: ffffffffffffffda RBX: 00007f072b37fc90 RCX: 0000000000458c29 [ 64.789127] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 64.796387] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 64.803783] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f072b3806d4 [ 64.811062] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 64.818356] CPU: 0 PID: 6994 Comm: syz-executor.4 Not tainted 4.14.172-syzkaller #0 [ 64.826154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 64.835505] Call Trace: [ 64.838102] dump_stack+0xf7/0x13b [ 64.839858] FAULT_INJECTION: forcing a failure. [ 64.839858] name failslab, interval 1, probability 0, space 0, times 0 [ 64.841662] should_fail.cold.3+0x105/0x14b [ 64.857379] should_failslab+0xba/0xf0 [ 64.861264] __kmalloc+0x70/0x7b0 [ 64.864699] ? __tty_buffer_request_room+0x191/0x620 [ 64.869797] __tty_buffer_request_room+0x191/0x620 [ 64.874709] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 64.880264] pty_write+0xf3/0x200 [ 64.883711] tty_put_char+0xff/0x120 [ 64.887533] ? dev_match_devt+0x90/0x90 [ 64.891496] ? pty_write_room+0x8f/0xb0 [ 64.895466] __process_echoes+0x203/0x790 [ 64.899627] n_tty_receive_buf_common+0x75b/0x29a0 [ 64.904552] ? ldsem_wake+0x40/0x40 [ 64.908182] n_tty_receive_buf+0xc/0xe [ 64.912054] tty_ioctl+0x630/0x1270 [ 64.915674] ? avc_ss_reset+0xe0/0xe0 [ 64.919458] ? tty_vhangup+0x20/0x20 [ 64.923175] ? get_pid_task+0x8b/0x100 [ 64.927056] ? proc_fail_nth_write+0xd6/0x160 [ 64.931550] ? proc_cwd_link+0x1a0/0x1a0 [ 64.935607] ? __fdget_pos+0x8e/0xc0 [ 64.939332] ? trace_hardirqs_on+0x10/0x10 [ 64.943654] ? __vfs_write+0xde/0x850 [ 64.947552] ? __might_sleep+0x93/0xb0 [ 64.951422] do_vfs_ioctl+0x183/0xfc0 [ 64.955315] ? __fget+0x1ad/0x2f0 [ 64.958754] ? ioctl_preallocate+0x1a0/0x1a0 [ 64.963160] ? __fget+0x1ca/0x2f0 [ 64.966600] ? security_file_ioctl+0x70/0xa0 [ 64.971014] ? selinux_file_mprotect+0x630/0x630 [ 64.975771] ? security_file_ioctl+0x70/0xa0 [ 64.980174] SyS_ioctl+0x74/0x80 [ 64.983550] ? do_vfs_ioctl+0xfc0/0xfc0 [ 64.987506] do_syscall_64+0x1c9/0x5b0 [ 64.991389] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 64.996232] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 65.001430] RIP: 0033:0x458c29 [ 65.004605] RSP: 002b:00007f3706cf6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 65.012304] RAX: ffffffffffffffda RBX: 00007f3706cf6c90 RCX: 0000000000458c29 [ 65.019570] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 65.026847] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 65.034198] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3706cf76d4 [ 65.041464] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 65.048738] CPU: 1 PID: 7005 Comm: syz-executor.0 Not tainted 4.14.172-syzkaller #0 [ 65.056578] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 65.065846] FAULT_INJECTION: forcing a failure. [ 65.065846] name failslab, interval 1, probability 0, space 0, times 0 [ 65.065932] Call Trace: [ 65.079730] dump_stack+0xf7/0x13b [ 65.083259] should_fail.cold.3+0x105/0x14b [ 65.087573] should_failslab+0xba/0xf0 [ 65.091450] __kmalloc+0x70/0x7b0 [ 65.094910] ? __tty_buffer_request_room+0x191/0x620 [ 65.099996] __tty_buffer_request_room+0x191/0x620 [ 65.104915] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 65.110441] pty_write+0xf3/0x200 [ 65.113889] tty_put_char+0xff/0x120 [ 65.117603] ? dev_match_devt+0x90/0x90 [ 65.121585] ? pty_write_room+0x8f/0xb0 [ 65.125559] __process_echoes+0x203/0x790 [ 65.129706] n_tty_receive_buf_common+0x75b/0x29a0 [ 65.134644] ? ldsem_wake+0x40/0x40 [ 65.138269] n_tty_receive_buf+0xc/0xe [ 65.142137] tty_ioctl+0x630/0x1270 [ 65.145743] ? avc_ss_reset+0xe0/0xe0 [ 65.149554] ? tty_vhangup+0x20/0x20 [ 65.153261] ? get_pid_task+0x8b/0x100 [ 65.157148] ? proc_fail_nth_write+0xd6/0x160 [ 65.161636] ? proc_cwd_link+0x1a0/0x1a0 [ 65.165689] ? __fdget_pos+0x8e/0xc0 [ 65.169401] ? trace_hardirqs_on+0x10/0x10 [ 65.173647] ? __vfs_write+0xde/0x850 [ 65.177436] ? __might_sleep+0x93/0xb0 [ 65.181304] do_vfs_ioctl+0x183/0xfc0 [ 65.185095] ? __fget+0x1ad/0x2f0 [ 65.188540] ? ioctl_preallocate+0x1a0/0x1a0 [ 65.193019] ? __fget+0x1ca/0x2f0