[ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 32.099928] audit: type=1400 audit(1588139807.482:8): avc: denied { execmem } for pid=5987 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 32.350488] IPVS: ftp: loaded support on port[0] = 21 [ 33.492669] can: request_module (can-proto-0) failed. [ 33.502942] can: request_module (can-proto-0) failed. [ 33.527956] audit: type=1400 audit(1588139808.903:9): avc: denied { create } for pid=5964 comm="syz-fuzzer" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dccp_socket permissive=1 Warning: Permanently added '10.128.0.107' (ECDSA) to the list of known hosts. 2020/04/29 05:56:57 parsed 1 programs 2020/04/29 05:56:57 executed programs: 0 [ 41.832987] audit: type=1400 audit(1588139817.216:10): avc: denied { execmem } for pid=6099 comm="syz-executor.3" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.116832] IPVS: ftp: loaded support on port[0] = 21 [ 42.875796] IPVS: ftp: loaded support on port[0] = 21 [ 42.930246] chnl_net:caif_netlink_parms(): no params data found [ 42.973479] bridge0: port 1(bridge_slave_0) entered blocking state [ 42.980478] bridge0: port 1(bridge_slave_0) entered disabled state [ 42.988696] device bridge_slave_0 entered promiscuous mode [ 42.989349] IPVS: ftp: loaded support on port[0] = 21 [ 43.002983] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.010584] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.017495] device bridge_slave_1 entered promiscuous mode [ 43.084829] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.098232] chnl_net:caif_netlink_parms(): no params data found [ 43.107932] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.132864] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.140416] team0: Port device team_slave_0 added [ 43.150191] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.159546] team0: Port device team_slave_1 added [ 43.160084] IPVS: ftp: loaded support on port[0] = 21 [ 43.166541] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.180162] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.248663] device hsr_slave_0 entered promiscuous mode [ 43.285968] device hsr_slave_1 entered promiscuous mode [ 43.327969] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.344918] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.352445] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.358977] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.365938] device bridge_slave_0 entered promiscuous mode [ 43.410519] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.418026] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.424843] device bridge_slave_1 entered promiscuous mode [ 43.453742] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.467850] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.476247] chnl_net:caif_netlink_parms(): no params data found [ 43.510716] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.517362] bridge0: port 2(bridge_slave_1) entered forwarding state [ 43.524261] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.530647] bridge0: port 1(bridge_slave_0) entered forwarding state [ 43.547609] IPVS: ftp: loaded support on port[0] = 21 [ 43.566969] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.574085] team0: Port device team_slave_0 added [ 43.602147] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.609918] team0: Port device team_slave_1 added [ 43.615189] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.621850] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.629136] device bridge_slave_0 entered promiscuous mode [ 43.636562] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.642908] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.650247] device bridge_slave_1 entered promiscuous mode [ 43.659153] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 43.667659] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 43.716299] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 43.726257] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 43.732555] 8021q: adding VLAN 0 to HW filter on device bond0 [ 43.777793] device hsr_slave_0 entered promiscuous mode [ 43.815933] device hsr_slave_1 entered promiscuous mode [ 43.909712] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 43.928703] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 43.936091] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 43.943898] team0: Port device team_slave_0 added [ 43.957802] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 43.965017] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 43.976557] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 43.983881] team0: Port device team_slave_1 added [ 43.994222] chnl_net:caif_netlink_parms(): no params data found [ 44.011548] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.019504] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.027807] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.038409] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.046423] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.063441] IPVS: ftp: loaded support on port[0] = 21 [ 44.063812] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.078926] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.085136] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.092975] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.100118] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.147680] device hsr_slave_0 entered promiscuous mode [ 44.185638] device hsr_slave_1 entered promiscuous mode [ 44.237892] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 44.244835] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 44.254198] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.265079] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.282552] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 44.290399] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.299340] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.305741] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.313975] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 44.337343] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 44.345033] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.353071] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.359469] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.369808] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 44.402573] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.409314] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.418662] device bridge_slave_0 entered promiscuous mode [ 44.424911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 44.436046] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 44.443023] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 44.475237] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.482427] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.490898] device bridge_slave_1 entered promiscuous mode [ 44.497824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 44.519406] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 44.528733] chnl_net:caif_netlink_parms(): no params data found [ 44.554757] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 44.563547] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.577063] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 44.586081] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.592869] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 44.602188] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.622746] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.633465] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 44.643407] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 44.662440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 44.669950] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.679345] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 44.688599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.720099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 44.728582] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.738687] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 44.744675] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.754198] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.763010] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 44.771073] team0: Port device team_slave_0 added [ 44.783737] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.790526] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.797722] device bridge_slave_0 entered promiscuous mode [ 44.811194] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 44.818278] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 44.827243] team0: Port device team_slave_1 added [ 44.832635] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 44.840379] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.847110] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.854047] device bridge_slave_1 entered promiscuous mode [ 44.868273] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 44.875146] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.885635] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 44.891726] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.899833] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 44.924726] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 44.933906] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.942547] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 44.950907] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 44.961550] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.007591] device hsr_slave_0 entered promiscuous mode [ 45.045501] device hsr_slave_1 entered promiscuous mode [ 45.086872] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.096264] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.103713] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.110130] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.117079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.124748] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.132834] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.139283] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.147307] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 45.154075] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 45.163486] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.176772] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.192305] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.202210] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.209625] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.219055] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.227022] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.233450] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.240555] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.248951] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 45.256645] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.263103] bridge0: port 1(bridge_slave_0) entered forwarding state [ 45.271024] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.280877] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.288863] team0: Port device team_slave_0 added [ 45.294282] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.303667] team0: Port device team_slave_1 added [ 45.317050] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 45.370113] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 45.378937] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.389694] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.399701] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.410205] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.422400] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.430333] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 45.438429] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 45.446727] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.453073] bridge0: port 2(bridge_slave_1) entered forwarding state [ 45.460372] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 45.472851] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.482523] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.490634] chnl_net:caif_netlink_parms(): no params data found [ 45.510796] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.520441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 45.534712] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 45.545551] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.587673] device hsr_slave_0 entered promiscuous mode [ 45.625438] device hsr_slave_1 entered promiscuous mode [ 45.667211] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 45.674778] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 45.684366] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.692507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 45.702806] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 45.723323] FAULT_INJECTION: forcing a failure. [ 45.723323] name failslab, interval 1, probability 0, space 0, times 1 [ 45.729192] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 45.735047] CPU: 1 PID: 6945 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 45.735049] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.735051] Call Trace: [ 45.735062] dump_stack+0xf7/0x13b [ 45.735070] should_fail.cold.3+0x105/0x14b [ 45.735078] should_failslab+0xba/0xf0 [ 45.752508] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 45.760762] __kmalloc+0x70/0x7b0 [ 45.760768] ? __lock_is_held+0xb5/0x140 [ 45.760774] ? __tty_buffer_request_room+0x191/0x620 [ 45.760778] ? n_tty_receive_buf_common+0x719/0x29a0 [ 45.760784] __tty_buffer_request_room+0x191/0x620 [ 45.790507] 8021q: adding VLAN 0 to HW filter on device bond0 [ 45.794612] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 45.801428] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 45.804606] pty_write+0xf3/0x200 [ 45.813331] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 45.816524] tty_put_char+0xff/0x120 [ 45.816528] ? dev_match_devt+0x90/0x90 [ 45.816534] ? pty_write_room+0x8f/0xb0 [ 45.816539] __process_echoes+0x203/0x790 [ 45.816545] n_tty_receive_buf_common+0x75b/0x29a0 [ 45.816549] ? ldsem_wake+0x40/0x40 [ 45.816558] n_tty_receive_buf+0xc/0xe [ 45.827733] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 45.833229] tty_ioctl+0x630/0x1270 [ 45.836965] 8021q: adding VLAN 0 to HW filter on device team0 [ 45.840892] ? avc_ss_reset+0xe0/0xe0 [ 45.847886] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.848973] ? tty_vhangup+0x20/0x20 [ 45.856437] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.857508] ? __lock_acquire+0x79f/0x4500 [ 45.863000] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 45.867426] ? get_pid_task+0x8b/0x100 [ 45.867433] ? trace_hardirqs_off+0x10/0x10 [ 45.867439] ? proc_cwd_link+0x1a0/0x1a0 [ 45.867448] ? __might_sleep+0x93/0xb0 [ 45.867455] do_vfs_ioctl+0x183/0xfc0 [ 45.867460] ? __fget+0x1ad/0x2f0 [ 45.867466] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.875926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 45.877566] ? __fget+0x1ca/0x2f0 [ 45.889700] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 45.892076] ? security_file_ioctl+0x70/0xa0 [ 45.899560] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 45.903219] ? selinux_file_mprotect+0x630/0x630 [ 45.911948] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 45.913899] ? security_file_ioctl+0x70/0xa0 [ 45.923464] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 45.926125] SyS_ioctl+0x74/0x80 [ 45.926130] ? do_vfs_ioctl+0xfc0/0xfc0 [ 45.926135] do_syscall_64+0x1c9/0x5b0 [ 45.926139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.926146] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 45.926150] RIP: 0033:0x458c29 [ 45.926152] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.926158] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 45.935792] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 45.937812] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 46.050305] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 46.057558] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 46.065157] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 46.072433] [ 46.072434] ====================================================== [ 46.072435] WARNING: possible circular locking dependency detected [ 46.072436] 4.14.177-syzkaller #0 Not tainted [ 46.072437] ------------------------------------------------------ [ 46.072437] syz-executor.3/6945 is trying to acquire lock: [ 46.072438] (console_owner){-...}, at: [] console_unlock+0x389/0xe30 [ 46.072441] [ 46.072441] but task is already holding lock: [ 46.072442] (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xbf/0x200 [ 46.072444] [ 46.072445] which lock already depends on the new lock. [ 46.072445] [ 46.072446] [ 46.072447] the existing dependency chain (in reverse order) is: [ 46.072447] [ 46.072448] -> #2 (&(&port->lock)->rlock){-.-.}: [ 46.072450] lock_acquire+0x173/0x400 [ 46.072451] _raw_spin_lock_irqsave+0x99/0xd0 [ 46.072452] tty_port_tty_get+0x1b/0x70 [ 46.072452] tty_port_default_wakeup+0xa/0x30 [ 46.072453] tty_port_tty_wakeup+0x58/0x70 [ 46.072454] uart_write_wakeup+0x37/0x50 [ 46.072454] serial8250_tx_chars+0x3eb/0xa00 [ 46.072455] serial8250_handle_irq.part.25+0x1c5/0x220 [ 46.072456] serial8250_default_handle_irq+0x82/0xe0 [ 46.072457] serial8250_interrupt+0xd8/0x170 [ 46.072457] __handle_irq_event_percpu+0x101/0x6c0 [ 46.072458] handle_irq_event_percpu+0x64/0x120 [ 46.072459] handle_irq_event+0xa2/0x130 [ 46.072459] handle_edge_irq+0x20b/0x790 [ 46.072460] handle_irq+0x231/0x306 [ 46.072461] do_IRQ+0x98/0x1d0 [ 46.072461] ret_from_intr+0x0/0x1e [ 46.072462] native_safe_halt+0x12/0x20 [ 46.072463] default_idle+0x4f/0x370 [ 46.072463] arch_cpu_idle+0x10/0x20 [ 46.072464] default_idle_call+0x6d/0x90 [ 46.072465] do_idle+0x311/0x3d0 [ 46.072465] cpu_startup_entry+0x18/0x20 [ 46.072466] rest_init+0x193/0x199 [ 46.072467] start_kernel+0x620/0x645 [ 46.072467] x86_64_start_reservations+0x29/0x2b [ 46.072468] x86_64_start_kernel+0x76/0x79 [ 46.072469] secondary_startup_64+0xa5/0xb0 [ 46.072469] [ 46.072470] -> #1 (&port_lock_key){-.-.}: [ 46.072472] lock_acquire+0x173/0x400 [ 46.072473] _raw_spin_lock_irqsave+0x99/0xd0 [ 46.072473] serial8250_console_write+0x6c2/0x880 [ 46.072474] univ8250_console_write+0x4e/0x70 [ 46.072475] console_unlock+0x8ca/0xe30 [ 46.072475] vprintk_emit+0x1b4/0x4e0 [ 46.072476] vprintk_default+0x1a/0x20 [ 46.072477] vprintk_func+0x49/0x12c [ 46.072477] printk+0x91/0xab [ 46.072478] register_console+0x59b/0x920 [ 46.072479] univ8250_console_init+0x1e/0x28 [ 46.072479] console_init+0x45/0x4c [ 46.072480] start_kernel+0x3d6/0x645 [ 46.072481] x86_64_start_reservations+0x29/0x2b [ 46.072481] x86_64_start_kernel+0x76/0x79 [ 46.072482] secondary_startup_64+0xa5/0xb0 [ 46.072482] [ 46.072483] -> #0 (console_owner){-...}: [ 46.072485] __lock_acquire+0x2e94/0x4500 [ 46.072486] lock_acquire+0x173/0x400 [ 46.072486] console_unlock+0x3eb/0xe30 [ 46.072487] vprintk_emit+0x1b4/0x4e0 [ 46.072488] vprintk_default+0x1a/0x20 [ 46.072488] vprintk_func+0x49/0x12c [ 46.072489] printk+0x91/0xab [ 46.072490] should_fail.cold.3+0xdf/0x14b [ 46.072490] should_failslab+0xba/0xf0 [ 46.072491] __kmalloc+0x70/0x7b0 [ 46.072492] __tty_buffer_request_room+0x191/0x620 [ 46.072493] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 46.072493] pty_write+0xf3/0x200 [ 46.072494] tty_put_char+0xff/0x120 [ 46.072495] __process_echoes+0x203/0x790 [ 46.072495] n_tty_receive_buf_common+0x75b/0x29a0 [ 46.072496] n_tty_receive_buf+0xc/0xe [ 46.072497] tty_ioctl+0x630/0x1270 [ 46.072497] do_vfs_ioctl+0x183/0xfc0 [ 46.072498] SyS_ioctl+0x74/0x80 [ 46.072499] do_syscall_64+0x1c9/0x5b0 [ 46.072500] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.072500] [ 46.072501] other info that might help us debug this: [ 46.072501] [ 46.072502] Chain exists of: [ 46.072502] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 46.072505] [ 46.072506] Possible unsafe locking scenario: [ 46.072506] [ 46.072507] CPU0 CPU1 [ 46.072508] ---- ---- [ 46.072508] lock(&(&port->lock)->rlock); [ 46.072510] lock(&port_lock_key); [ 46.072511] lock(&(&port->lock)->rlock); [ 46.072513] lock(console_owner); [ 46.072514] [ 46.072515] *** DEADLOCK *** [ 46.072515] [ 46.072516] 5 locks held by syz-executor.3/6945: [ 46.072516] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x2d/0x40 [ 46.072519] #1: (&o_tty->termios_rwsem/1){++++}, at: [] n_tty_receive_buf_common+0x80/0x29a0 [ 46.072522] #2: (&ldata->output_lock){+.+.}, at: [] n_tty_receive_buf_common+0x719/0x29a0 [ 46.072524] #3: (&(&port->lock)->rlock){-.-.}, at: [] pty_write+0xbf/0x200 [ 46.072526] #4: (console_lock){+.+.}, at: [] vprintk_emit+0x1ab/0x4e0 [ 46.072529] [ 46.072529] stack backtrace: [ 46.072530] CPU: 1 PID: 6945 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 46.072531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.072532] Call Trace: [ 46.072533] dump_stack+0xf7/0x13b [ 46.072533] print_circular_bug.isra.40.cold.67+0x1bd/0x27d [ 46.072534] ? save_trace+0xe0/0x290 [ 46.072535] __lock_acquire+0x2e94/0x4500 [ 46.072535] ? trace_hardirqs_on+0x10/0x10 [ 46.072536] ? trace_hardirqs_off+0x10/0x10 [ 46.072537] ? find_held_lock+0x36/0x1d0 [ 46.072537] lock_acquire+0x173/0x400 [ 46.072538] ? console_unlock+0x389/0xe30 [ 46.072539] console_unlock+0x3eb/0xe30 [ 46.072539] ? console_unlock+0x389/0xe30 [ 46.072540] ? vprintk_emit+0x1ab/0x4e0 [ 46.072541] vprintk_emit+0x1b4/0x4e0 [ 46.072541] vprintk_default+0x1a/0x20 [ 46.072542] vprintk_func+0x49/0x12c [ 46.072543] printk+0x91/0xab [ 46.072543] ? show_regs_print_info+0x5d/0x5d [ 46.072544] should_fail.cold.3+0xdf/0x14b [ 46.072544] should_failslab+0xba/0xf0 [ 46.072545] __kmalloc+0x70/0x7b0 [ 46.072546] ? __lock_is_held+0xb5/0x140 [ 46.072546] ? __tty_buffer_request_room+0x191/0x620 [ 46.072547] ? n_tty_receive_buf_common+0x719/0x29a0 [ 46.072548] __tty_buffer_request_room+0x191/0x620 [ 46.072549] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 46.072549] pty_write+0xf3/0x200 [ 46.072550] tty_put_char+0xff/0x120 [ 46.072551] ? dev_match_devt+0x90/0x90 [ 46.072551] ? pty_write_room+0x8f/0xb0 [ 46.072552] __process_echoes+0x203/0x790 [ 46.072553] n_tty_receive_buf_common+0x75b/0x29a0 [ 46.072553] ? ldsem_wake+0x40/0x40 [ 46.072554] n_tty_receive_buf+0xc/0xe [ 46.072554] tty_ioctl+0x630/0x1270 [ 46.072555] ? avc_ss_reset+0xe0/0xe0 [ 46.072556] ? tty_vhangup+0x20/0x20 [ 46.072556] ? __lock_acquire+0x79f/0x4500 [ 46.072557] ? get_pid_task+0x8b/0x100 [ 46.072558] ? trace_hardirqs_off+0x10/0x10 [ 46.072558] ? proc_cwd_link+0x1a0/0x1a0 [ 46.072559] ? __might_sleep+0x93/0xb0 [ 46.072559] do_vfs_ioctl+0x183/0xfc0 [ 46.072560] ? __fget+0x1ad/0x2f0 [ 46.072561] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.072561] ? __fget+0x1ca/0x2f0 [ 46.072562] ? security_file_ioctl+0x70/0xa0 [ 46.072563] ? selinux_file_mprotect+0x630/0x630 [ 46.072563] ? security_file_ioctl+0x70/0xa0 [ 46.072564] SyS_ioctl+0x74/0x80 [ 46.072565] ? do_vfs_ioctl+0xfc0/0xfc0 [ 46.072565] do_syscall_64+0x1c9/0x5b0 [ 46.072566] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.072567] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 46.072567] RIP: 0033:0x458c29 [ 46.072568] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.072569] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 46.072570] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 46.072571] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 46.072572] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 46.072573] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 46.884599] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 46.896956] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 46.904459] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 46.912952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 46.922543] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready 2020/04/29 05:57:02 executed programs: 6 [ 46.929854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.942066] FAULT_INJECTION: forcing a failure. [ 46.942066] name failslab, interval 1, probability 0, space 0, times 0 [ 46.945516] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 46.953261] CPU: 1 PID: 6957 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 46.966138] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 46.968383] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.975933] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.984998] Call Trace: [ 46.985011] dump_stack+0xf7/0x13b [ 46.985019] should_fail.cold.3+0x105/0x14b [ 46.985025] should_failslab+0xba/0xf0 [ 46.985032] __kmalloc+0x70/0x7b0 [ 46.996304] bridge0: port 1(bridge_slave_0) entered forwarding state [ 46.998832] ? __tty_buffer_request_room+0x191/0x620 [ 47.003126] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 47.006644] __tty_buffer_request_room+0x191/0x620 [ 47.006650] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 47.006657] pty_write+0xf3/0x200 [ 47.006663] tty_put_char+0xff/0x120 [ 47.006666] ? dev_match_devt+0x90/0x90 [ 47.006672] ? pty_write_room+0x8f/0xb0 [ 47.011175] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 47.013971] __process_echoes+0x203/0x790 [ 47.020824] bridge0: port 2(bridge_slave_1) entered blocking state [ 47.025531] n_tty_receive_buf_common+0x75b/0x29a0 [ 47.025535] ? ldsem_wake+0x40/0x40 [ 47.025544] n_tty_receive_buf+0xc/0xe [ 47.025550] tty_ioctl+0x630/0x1270 [ 47.033779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 47.038665] ? avc_ss_reset+0xe0/0xe0 [ 47.038669] ? tty_vhangup+0x20/0x20 [ 47.038673] ? get_pid_task+0x8b/0x100 [ 47.038679] ? proc_fail_nth_write+0xd6/0x160 [ 47.038683] ? proc_cwd_link+0x1a0/0x1a0 [ 47.044990] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 47.047633] ? __fdget_pos+0x8e/0xc0 [ 47.051711] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 47.055283] ? trace_hardirqs_on+0x10/0x10 [ 47.055289] ? __vfs_write+0xde/0x850 [ 47.055296] ? __might_sleep+0x93/0xb0 [ 47.055303] do_vfs_ioctl+0x183/0xfc0 [ 47.055307] ? __fget+0x1ad/0x2f0 [ 47.060139] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.066639] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.066646] ? __fget+0x1ca/0x2f0 [ 47.066653] ? security_file_ioctl+0x70/0xa0 [ 47.066658] ? selinux_file_mprotect+0x630/0x630 [ 47.066661] ? security_file_ioctl+0x70/0xa0 [ 47.066665] SyS_ioctl+0x74/0x80 [ 47.071527] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 47.077090] ? do_vfs_ioctl+0xfc0/0xfc0 [ 47.077096] do_syscall_64+0x1c9/0x5b0 [ 47.077099] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.077107] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.077112] RIP: 0033:0x458c29 [ 47.077114] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.082752] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.085640] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 47.085642] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.085644] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.085646] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 47.085648] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 47.111970] FAULT_INJECTION: forcing a failure. [ 47.111970] name failslab, interval 1, probability 0, space 0, times 0 [ 47.119382] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 47.119760] CPU: 1 PID: 6961 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 47.128230] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.130613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.145755] 8021q: adding VLAN 0 to HW filter on device bond0 [ 47.145854] Call Trace: [ 47.151741] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 47.153509] dump_stack+0xf7/0x13b [ 47.158540] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 47.164036] should_fail.cold.3+0x105/0x14b [ 47.170182] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 47.171862] should_failslab+0xba/0xf0 [ 47.176416] 8021q: adding VLAN 0 to HW filter on device team0 [ 47.180979] __kmalloc+0x70/0x7b0 [ 47.187116] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 47.188715] ? __tty_buffer_request_room+0x191/0x620 [ 47.197677] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 47.200108] __tty_buffer_request_room+0x191/0x620 [ 47.205638] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 47.209279] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 47.216224] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 47.217723] pty_write+0xf3/0x200 [ 47.227928] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 47.233356] tty_put_char+0xff/0x120 [ 47.242327] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 47.248047] ? dev_match_devt+0x90/0x90 [ 47.248054] ? pty_write_room+0x8f/0xb0 [ 47.248058] __process_echoes+0x203/0x790 [ 47.248065] n_tty_receive_buf_common+0x75b/0x29a0 [ 47.248068] ? ldsem_wake+0x40/0x40 [ 47.248077] n_tty_receive_buf+0xc/0xe [ 47.257070] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 47.262600] tty_ioctl+0x630/0x1270 [ 47.271684] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 47.281103] ? avc_ss_reset+0xe0/0xe0 [ 47.281111] ? tty_vhangup+0x20/0x20 [ 47.281115] ? get_pid_task+0x8b/0x100 [ 47.281121] ? proc_fail_nth_write+0xd6/0x160 [ 47.281124] ? proc_cwd_link+0x1a0/0x1a0 [ 47.281129] ? __fdget_pos+0x8e/0xc0 [ 47.281141] ? trace_hardirqs_on+0x10/0x10 [ 47.288969] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 47.295574] ? __vfs_write+0xde/0x850 [ 47.295583] ? __might_sleep+0x93/0xb0 [ 47.295590] do_vfs_ioctl+0x183/0xfc0 [ 47.295594] ? __fget+0x1ad/0x2f0 [ 47.295598] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.295603] ? __fget+0x1ca/0x2f0 [ 47.295610] ? security_file_ioctl+0x70/0xa0 [ 47.302438] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 47.311697] ? selinux_file_mprotect+0x630/0x630 [ 47.311702] ? security_file_ioctl+0x70/0xa0 [ 47.311707] SyS_ioctl+0x74/0x80 [ 47.311711] ? do_vfs_ioctl+0xfc0/0xfc0 [ 47.311716] do_syscall_64+0x1c9/0x5b0 [ 47.311721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.318779] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 47.320154] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.330219] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 47.337150] RIP: 0033:0x458c29 [ 47.337152] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.337157] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 47.337159] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.337161] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.337162] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 47.337164] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 47.634387] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 47.646366] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 47.658238] FAULT_INJECTION: forcing a failure. [ 47.658238] name failslab, interval 1, probability 0, space 0, times 0 [ 47.669539] CPU: 0 PID: 6968 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 47.678036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.687534] Call Trace: [ 47.690106] dump_stack+0xf7/0x13b [ 47.693623] should_fail.cold.3+0x105/0x14b [ 47.697956] should_failslab+0xba/0xf0 [ 47.701818] __kmalloc+0x70/0x7b0 [ 47.705768] ? __tty_buffer_request_room+0x191/0x620 [ 47.710934] __tty_buffer_request_room+0x191/0x620 [ 47.715860] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 47.721654] pty_write+0xf3/0x200 [ 47.725209] tty_put_char+0xff/0x120 [ 47.729055] ? dev_match_devt+0x90/0x90 [ 47.733011] ? pty_write_room+0x8f/0xb0 [ 47.736966] __process_echoes+0x203/0x790 [ 47.741438] n_tty_receive_buf_common+0x75b/0x29a0 [ 47.746343] ? ldsem_wake+0x40/0x40 [ 47.749973] n_tty_receive_buf+0xc/0xe [ 47.753851] tty_ioctl+0x630/0x1270 [ 47.757464] ? avc_ss_reset+0xe0/0xe0 [ 47.762132] ? tty_vhangup+0x20/0x20 [ 47.765849] ? get_pid_task+0x8b/0x100 [ 47.769712] ? proc_fail_nth_write+0xd6/0x160 [ 47.774198] ? proc_cwd_link+0x1a0/0x1a0 [ 47.778352] ? __fdget_pos+0x8e/0xc0 [ 47.782063] ? trace_hardirqs_on+0x10/0x10 [ 47.786275] ? __vfs_write+0xde/0x850 [ 47.790064] ? __might_sleep+0x93/0xb0 [ 47.793947] do_vfs_ioctl+0x183/0xfc0 [ 47.797722] ? __fget+0x1ad/0x2f0 [ 47.801174] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.805562] ? __fget+0x1ca/0x2f0 [ 47.808998] ? security_file_ioctl+0x70/0xa0 [ 47.813380] ? selinux_file_mprotect+0x630/0x630 [ 47.818112] ? security_file_ioctl+0x70/0xa0 [ 47.822512] SyS_ioctl+0x74/0x80 [ 47.825865] ? do_vfs_ioctl+0xfc0/0xfc0 [ 47.829818] do_syscall_64+0x1c9/0x5b0 [ 47.833696] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.838541] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 47.843718] RIP: 0033:0x458c29 [ 47.846904] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.854607] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 47.861864] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 47.869114] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 47.876369] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 47.884070] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 47.892362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 47.899977] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 47.907550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 47.915476] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 47.923166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 47.933012] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 47.941026] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 47.950674] FAULT_INJECTION: forcing a failure. [ 47.950674] name failslab, interval 1, probability 0, space 0, times 0 [ 47.962906] CPU: 0 PID: 6974 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 47.970709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.976838] FAULT_INJECTION: forcing a failure. [ 47.976838] name failslab, interval 1, probability 0, space 0, times 0 [ 47.981186] Call Trace: [ 47.994914] dump_stack+0xf7/0x13b [ 47.998433] should_fail.cold.3+0x105/0x14b [ 48.002733] should_failslab+0xba/0xf0 [ 48.006600] __kmalloc+0x70/0x7b0 [ 48.010028] ? __tty_buffer_request_room+0x191/0x620 [ 48.015110] __tty_buffer_request_room+0x191/0x620 [ 48.020023] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 48.025541] pty_write+0xf3/0x200 [ 48.028984] tty_put_char+0xff/0x120 [ 48.032843] ? dev_match_devt+0x90/0x90 [ 48.036791] ? pty_write_room+0x8f/0xb0 [ 48.040826] __process_echoes+0x203/0x790 [ 48.044954] n_tty_receive_buf_common+0x75b/0x29a0 [ 48.050032] ? ldsem_wake+0x40/0x40 [ 48.053636] n_tty_receive_buf+0xc/0xe [ 48.057494] tty_ioctl+0x630/0x1270 [ 48.061180] ? avc_ss_reset+0xe0/0xe0 [ 48.064954] ? tty_vhangup+0x20/0x20 [ 48.068647] ? get_pid_task+0x8b/0x100 [ 48.072509] ? proc_fail_nth_write+0xd6/0x160 [ 48.077109] ? proc_cwd_link+0x1a0/0x1a0 [ 48.081173] ? __fdget_pos+0x8e/0xc0 [ 48.084864] ? trace_hardirqs_on+0x10/0x10 [ 48.089245] ? __vfs_write+0xde/0x850 [ 48.093023] ? __might_sleep+0x93/0xb0 [ 48.097066] do_vfs_ioctl+0x183/0xfc0 [ 48.100840] ? __fget+0x1ad/0x2f0 [ 48.104289] ? ioctl_preallocate+0x1a0/0x1a0 [ 48.108674] ? __fget+0x1ca/0x2f0 [ 48.112189] ? security_file_ioctl+0x70/0xa0 [ 48.117185] ? selinux_file_mprotect+0x630/0x630 [ 48.121912] ? security_file_ioctl+0x70/0xa0 [ 48.126301] SyS_ioctl+0x74/0x80 [ 48.129640] ? do_vfs_ioctl+0xfc0/0xfc0 [ 48.133605] do_syscall_64+0x1c9/0x5b0 [ 48.137815] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.143075] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.148240] RIP: 0033:0x458c29 [ 48.151404] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.159093] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 48.166717] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 48.174051] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 48.181295] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 48.188625] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 48.195899] CPU: 1 PID: 6975 Comm: syz-executor.5 Not tainted 4.14.177-syzkaller #0 [ 48.196782] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 48.204175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.204178] Call Trace: [ 48.204189] dump_stack+0xf7/0x13b [ 48.204197] should_fail.cold.3+0x105/0x14b [ 48.204205] should_failslab+0xba/0xf0 [ 48.212268] bridge0: port 1(bridge_slave_0) entered blocking state [ 48.221315] __kmalloc+0x70/0x7b0 [ 48.221321] ? __tty_buffer_request_room+0x191/0x620 [ 48.221325] __tty_buffer_request_room+0x191/0x620 [ 48.221331] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 48.221337] pty_write+0xf3/0x200 [ 48.221342] tty_put_char+0xff/0x120 [ 48.221347] ? dev_match_devt+0x90/0x90 [ 48.223926] bridge0: port 1(bridge_slave_0) entered forwarding state [ 48.227424] ? pty_write_room+0x8f/0xb0 [ 48.227428] __process_echoes+0x203/0x790 [ 48.227436] n_tty_receive_buf_common+0x75b/0x29a0 [ 48.227440] ? ldsem_wake+0x40/0x40 [ 48.232242] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 48.236129] n_tty_receive_buf+0xc/0xe [ 48.236133] tty_ioctl+0x630/0x1270 [ 48.236137] ? avc_ss_reset+0xe0/0xe0 [ 48.236141] ? tty_vhangup+0x20/0x20 [ 48.236145] ? get_pid_task+0x8b/0x100 [ 48.236151] ? proc_fail_nth_write+0xd6/0x160 [ 48.236156] ? proc_cwd_link+0x1a0/0x1a0 [ 48.243229] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 48.246231] ? __fdget_pos+0x8e/0xc0 [ 48.246238] ? trace_hardirqs_on+0x10/0x10 [ 48.246244] ? __vfs_write+0xde/0x850 [ 48.246251] ? __might_sleep+0x93/0xb0 [ 48.246257] do_vfs_ioctl+0x183/0xfc0 [ 48.246260] ? __fget+0x1ad/0x2f0 [ 48.246265] ? ioctl_preallocate+0x1a0/0x1a0 [ 48.252044] bridge0: port 2(bridge_slave_1) entered blocking state [ 48.256541] ? __fget+0x1ca/0x2f0 [ 48.256548] ? security_file_ioctl+0x70/0xa0 [ 48.256553] ? selinux_file_mprotect+0x630/0x630 [ 48.256555] ? security_file_ioctl+0x70/0xa0 [ 48.256561] SyS_ioctl+0x74/0x80 [ 48.256566] ? do_vfs_ioctl+0xfc0/0xfc0 [ 48.256573] do_syscall_64+0x1c9/0x5b0 [ 48.262134] bridge0: port 2(bridge_slave_1) entered forwarding state [ 48.265545] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.265554] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.265557] RIP: 0033:0x458c29 [ 48.265560] RSP: 002b:00007ff61239ac78 EFLAGS: 00000246 [ 48.269746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 48.273206] ORIG_RAX: 0000000000000010 [ 48.273208] RAX: ffffffffffffffda RBX: 00007ff61239ac90 RCX: 0000000000458c29 [ 48.273211] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 48.273213] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 48.273215] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff61239b6d4 [ 48.273217] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 48.316728] FAULT_INJECTION: forcing a failure. [ 48.316728] name failslab, interval 1, probability 0, space 0, times 0 [ 48.320953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 48.324240] CPU: 1 PID: 6980 Comm: syz-executor.5 Not tainted 4.14.177-syzkaller #0 [ 48.324243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.324245] Call Trace: [ 48.324255] dump_stack+0xf7/0x13b [ 48.324264] should_fail.cold.3+0x105/0x14b [ 48.329318] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 48.333859] should_failslab+0xba/0xf0 [ 48.333865] __kmalloc+0x70/0x7b0 [ 48.333872] ? __tty_buffer_request_room+0x191/0x620 [ 48.343243] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 48.346414] __tty_buffer_request_room+0x191/0x620 [ 48.346420] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 48.346427] pty_write+0xf3/0x200 [ 48.346433] tty_put_char+0xff/0x120 [ 48.346436] ? dev_match_devt+0x90/0x90 [ 48.346443] ? pty_write_room+0x8f/0xb0 [ 48.351197] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 48.354456] __process_echoes+0x203/0x790 [ 48.354463] n_tty_receive_buf_common+0x75b/0x29a0 [ 48.354467] ? ldsem_wake+0x40/0x40 [ 48.354475] n_tty_receive_buf+0xc/0xe [ 48.354479] tty_ioctl+0x630/0x1270 [ 48.354483] ? avc_ss_reset+0xe0/0xe0 [ 48.354487] ? tty_vhangup+0x20/0x20 [ 48.358917] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 48.362163] ? get_pid_task+0x8b/0x100 [ 48.362169] ? proc_fail_nth_write+0xd6/0x160 [ 48.362173] ? proc_cwd_link+0x1a0/0x1a0 [ 48.362180] ? __fdget_pos+0x8e/0xc0 [ 48.366117] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 48.370007] ? trace_hardirqs_on+0x10/0x10 [ 48.370013] ? __vfs_write+0xde/0x850 [ 48.370020] ? __might_sleep+0x93/0xb0 [ 48.370027] do_vfs_ioctl+0x183/0xfc0 [ 48.376810] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 48.379764] ? __fget+0x1ad/0x2f0 [ 48.379770] ? ioctl_preallocate+0x1a0/0x1a0 [ 48.379775] ? __fget+0x1ca/0x2f0 [ 48.384740] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 48.388944] ? security_file_ioctl+0x70/0xa0 [ 48.388951] ? selinux_file_mprotect+0x630/0x630 [ 48.388955] ? security_file_ioctl+0x70/0xa0 [ 48.393634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 48.396688] SyS_ioctl+0x74/0x80 [ 48.396692] ? do_vfs_ioctl+0xfc0/0xfc0 [ 48.396697] do_syscall_64+0x1c9/0x5b0 [ 48.396701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.396708] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.396712] RIP: 0033:0x458c29 [ 48.396714] RSP: 002b:00007ff61239ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.402870] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 48.404555] RAX: ffffffffffffffda RBX: 00007ff61239ac90 RCX: 0000000000458c29 [ 48.404557] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 48.404559] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 48.404561] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff61239b6d4 [ 48.404563] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 48.453138] FAULT_INJECTION: forcing a failure. [ 48.453138] name failslab, interval 1, probability 0, space 0, times 0 [ 48.470382] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 48.473213] CPU: 1 PID: 6984 Comm: syz-executor.5 Not tainted 4.14.177-syzkaller #0 [ 48.483519] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 48.491910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 48.491913] Call Trace: [ 48.491924] dump_stack+0xf7/0x13b [ 48.491932] should_fail.cold.3+0x105/0x14b [ 48.491938] should_failslab+0xba/0xf0 [ 48.491946] __kmalloc+0x70/0x7b0 [ 48.849182] ? __tty_buffer_request_room+0x191/0x620 [ 48.854265] __tty_buffer_request_room+0x191/0x620 [ 48.859175] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 48.864691] pty_write+0xf3/0x200 [ 48.868141] tty_put_char+0xff/0x120 [ 48.871828] ? dev_match_devt+0x90/0x90 [ 48.875790] ? pty_write_room+0x8f/0xb0 [ 48.879750] __process_echoes+0x203/0x790 [ 48.883878] n_tty_receive_buf_common+0x75b/0x29a0 [ 48.888787] ? ldsem_wake+0x40/0x40 [ 48.892503] n_tty_receive_buf+0xc/0xe [ 48.897325] tty_ioctl+0x630/0x1270 [ 48.900990] ? avc_ss_reset+0xe0/0xe0 [ 48.904770] ? tty_vhangup+0x20/0x20 [ 48.908471] ? get_pid_task+0x8b/0x100 [ 48.912332] ? proc_fail_nth_write+0xd6/0x160 [ 48.916800] ? proc_cwd_link+0x1a0/0x1a0 [ 48.920835] ? __fdget_pos+0x8e/0xc0 [ 48.924671] ? trace_hardirqs_on+0x10/0x10 [ 48.928896] ? __vfs_write+0xde/0x850 [ 48.932686] ? __might_sleep+0x93/0xb0 [ 48.936549] do_vfs_ioctl+0x183/0xfc0 [ 48.940337] ? __fget+0x1ad/0x2f0 [ 48.943779] ? ioctl_preallocate+0x1a0/0x1a0 [ 48.948171] ? __fget+0x1ca/0x2f0 [ 48.951614] ? security_file_ioctl+0x70/0xa0 [ 48.956266] ? selinux_file_mprotect+0x630/0x630 [ 48.960998] ? security_file_ioctl+0x70/0xa0 [ 48.965400] SyS_ioctl+0x74/0x80 [ 48.968757] ? do_vfs_ioctl+0xfc0/0xfc0 [ 48.972717] do_syscall_64+0x1c9/0x5b0 [ 48.976575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.981392] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 48.986578] RIP: 0033:0x458c29 [ 48.989936] RSP: 002b:00007ff61239ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.997613] RAX: ffffffffffffffda RBX: 00007ff61239ac90 RCX: 0000000000458c29 [ 49.004860] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.012103] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.019344] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff61239b6d4 [ 49.026609] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 49.044712] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.066152] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 49.076376] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 49.083183] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.090666] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.098938] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.107394] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 49.116197] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 49.129170] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.137452] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.144727] bridge0: port 1(bridge_slave_0) entered blocking state [ 49.151069] bridge0: port 1(bridge_slave_0) entered disabled state [ 49.158682] device bridge_slave_0 entered promiscuous mode [ 49.166849] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 49.173607] bridge0: port 2(bridge_slave_1) entered blocking state [ 49.180946] bridge0: port 2(bridge_slave_1) entered disabled state [ 49.188069] device bridge_slave_1 entered promiscuous mode [ 49.196522] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 49.203899] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 49.213822] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 49.222535] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 49.235337] FAULT_INJECTION: forcing a failure. [ 49.235337] name failslab, interval 1, probability 0, space 0, times 0 [ 49.239098] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 49.246561] CPU: 1 PID: 7011 Comm: syz-executor.4 Not tainted 4.14.177-syzkaller #0 [ 49.246563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.246565] Call Trace: [ 49.246576] dump_stack+0xf7/0x13b [ 49.246585] should_fail.cold.3+0x105/0x14b [ 49.246591] should_failslab+0xba/0xf0 [ 49.246598] __kmalloc+0x70/0x7b0 [ 49.252612] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 49.260373] ? __tty_buffer_request_room+0x191/0x620 [ 49.260378] __tty_buffer_request_room+0x191/0x620 [ 49.260384] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 49.260390] pty_write+0xf3/0x200 [ 49.260396] tty_put_char+0xff/0x120 [ 49.260399] ? dev_match_devt+0x90/0x90 [ 49.260403] ? pty_write_room+0x8f/0xb0 [ 49.260409] __process_echoes+0x203/0x790 [ 49.260416] n_tty_receive_buf_common+0x75b/0x29a0 [ 49.260420] ? ldsem_wake+0x40/0x40 [ 49.260431] n_tty_receive_buf+0xc/0xe [ 49.260435] tty_ioctl+0x630/0x1270 [ 49.260439] ? avc_ss_reset+0xe0/0xe0 [ 49.260443] ? tty_vhangup+0x20/0x20 [ 49.260447] ? get_pid_task+0x8b/0x100 [ 49.260453] ? proc_fail_nth_write+0xd6/0x160 [ 49.260456] ? proc_cwd_link+0x1a0/0x1a0 [ 49.260462] ? __fdget_pos+0x8e/0xc0 [ 49.260468] ? trace_hardirqs_on+0x10/0x10 [ 49.260473] ? __vfs_write+0xde/0x850 [ 49.260480] ? __might_sleep+0x93/0xb0 [ 49.260486] do_vfs_ioctl+0x183/0xfc0 [ 49.286743] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.288851] ? __fget+0x1ad/0x2f0 [ 49.295532] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 49.300520] ? ioctl_preallocate+0x1a0/0x1a0 [ 49.307192] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 49.310953] ? __fget+0x1ca/0x2f0 [ 49.318629] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 49.322158] ? security_file_ioctl+0x70/0xa0 [ 49.334664] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.335635] ? selinux_file_mprotect+0x630/0x630 [ 49.352814] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 49.355181] ? security_file_ioctl+0x70/0xa0 [ 49.355188] SyS_ioctl+0x74/0x80 [ 49.355192] ? do_vfs_ioctl+0xfc0/0xfc0 [ 49.355197] do_syscall_64+0x1c9/0x5b0 [ 49.355200] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.355208] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.360009] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 49.363749] RIP: 0033:0x458c29 [ 49.372916] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 49.376142] RSP: 002b:00007fc9d59c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.376147] RAX: ffffffffffffffda RBX: 00007fc9d59c2c90 RCX: 0000000000458c29 [ 49.376149] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.376151] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.376152] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9d59c36d4 [ 49.376154] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 49.552903] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 49.561363] team0: Port device team_slave_0 added [ 49.568951] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 49.577430] team0: Port device team_slave_1 added [ 49.582953] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 49.590858] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 49.622775] FAULT_INJECTION: forcing a failure. [ 49.622775] name failslab, interval 1, probability 0, space 0, times 0 [ 49.634006] CPU: 0 PID: 7049 Comm: syz-executor.2 Not tainted 4.14.177-syzkaller #0 [ 49.641781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.651117] Call Trace: [ 49.653700] dump_stack+0xf7/0x13b [ 49.657236] should_fail.cold.3+0x105/0x14b [ 49.661531] should_failslab+0xba/0xf0 [ 49.665424] __kmalloc+0x70/0x7b0 [ 49.668858] ? __tty_buffer_request_room+0x191/0x620 [ 49.673940] __tty_buffer_request_room+0x191/0x620 [ 49.678888] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 49.684411] pty_write+0xf3/0x200 [ 49.687893] tty_put_char+0xff/0x120 [ 49.691707] ? dev_match_devt+0x90/0x90 [ 49.695674] ? pty_write_room+0x8f/0xb0 [ 49.699653] __process_echoes+0x203/0x790 [ 49.703779] n_tty_receive_buf_common+0x75b/0x29a0 [ 49.708735] ? ldsem_wake+0x40/0x40 [ 49.712351] n_tty_receive_buf+0xc/0xe [ 49.716234] tty_ioctl+0x630/0x1270 [ 49.719943] ? avc_ss_reset+0xe0/0xe0 [ 49.723731] ? tty_vhangup+0x20/0x20 [ 49.727431] ? get_pid_task+0x8b/0x100 [ 49.731314] ? proc_fail_nth_write+0xd6/0x160 [ 49.735785] ? proc_cwd_link+0x1a0/0x1a0 [ 49.739834] ? __fdget_pos+0x8e/0xc0 [ 49.743548] ? trace_hardirqs_on+0x10/0x10 [ 49.747755] ? __vfs_write+0xde/0x850 [ 49.751531] ? __might_sleep+0x93/0xb0 [ 49.755576] do_vfs_ioctl+0x183/0xfc0 [ 49.759461] ? __fget+0x1ad/0x2f0 [ 49.763408] ? ioctl_preallocate+0x1a0/0x1a0 [ 49.767795] ? __fget+0x1ca/0x2f0 [ 49.771232] ? security_file_ioctl+0x70/0xa0 [ 49.775612] ? selinux_file_mprotect+0x630/0x630 [ 49.780451] ? security_file_ioctl+0x70/0xa0 [ 49.785026] SyS_ioctl+0x74/0x80 [ 49.788364] ? do_vfs_ioctl+0xfc0/0xfc0 [ 49.792326] do_syscall_64+0x1c9/0x5b0 [ 49.796204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.801024] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 49.806189] RIP: 0033:0x458c29 [ 49.809369] RSP: 002b:00007fb34725ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 49.817068] RAX: ffffffffffffffda RBX: 00007fb34725ec90 RCX: 0000000000458c29 [ 49.824316] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 49.831573] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 49.838822] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb34725f6d4 [ 49.846068] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 49.869896] FAULT_INJECTION: forcing a failure. [ 49.869896] name failslab, interval 1, probability 0, space 0, times 0 [ 49.873405] device hsr_slave_0 entered promiscuous mode [ 49.881097] CPU: 0 PID: 7053 Comm: syz-executor.5 Not tainted 4.14.177-syzkaller #0 [ 49.881100] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.881102] Call Trace: [ 49.881112] dump_stack+0xf7/0x13b [ 49.881120] should_fail.cold.3+0x105/0x14b [ 49.881127] should_failslab+0xba/0xf0 [ 49.881132] __kmalloc+0x70/0x7b0 [ 49.881139] ? __tty_buffer_request_room+0x191/0x620 [ 49.881143] __tty_buffer_request_room+0x191/0x620 [ 49.881148] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 49.881154] pty_write+0xf3/0x200 [ 49.881161] tty_put_char+0xff/0x120 [ 49.881165] ? dev_match_devt+0x90/0x90 [ 49.881169] ? pty_write_room+0x8f/0xb0 [ 49.881175] __process_echoes+0x203/0x790 [ 49.881182] n_tty_receive_buf_common+0x75b/0x29a0 [ 49.881186] ? ldsem_wake+0x40/0x40 [ 49.881196] n_tty_receive_buf+0xc/0xe [ 49.881200] tty_ioctl+0x630/0x1270 [ 49.881204] ? avc_ss_reset+0xe0/0xe0 [ 49.881209] ? tty_vhangup+0x20/0x20 [ 49.881213] ? get_pid_task+0x8b/0x100 [ 49.881218] ? proc_fail_nth_write+0xd6/0x160 [ 49.881221] ? proc_cwd_link+0x1a0/0x1a0 [ 49.881227] ? __fdget_pos+0x8e/0xc0 [ 49.881235] ? trace_hardirqs_on+0x10/0x10 [ 49.895921] FAULT_INJECTION: forcing a failure. [ 49.895921] name failslab, interval 1, probability 0, space 0, times 0 [ 49.903704] ? __vfs_write+0xde/0x850 [ 50.017010] ? __might_sleep+0x93/0xb0 [ 50.020994] do_vfs_ioctl+0x183/0xfc0 [ 50.024772] ? __fget+0x1ad/0x2f0 [ 50.028200] ? ioctl_preallocate+0x1a0/0x1a0 [ 50.032590] ? __fget+0x1ca/0x2f0 [ 50.036022] ? security_file_ioctl+0x70/0xa0 [ 50.040404] ? selinux_file_mprotect+0x630/0x630 [ 50.045134] ? security_file_ioctl+0x70/0xa0 [ 50.049517] SyS_ioctl+0x74/0x80 [ 50.052871] ? do_vfs_ioctl+0xfc0/0xfc0 [ 50.056835] do_syscall_64+0x1c9/0x5b0 [ 50.060697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.065516] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.071026] RIP: 0033:0x458c29 [ 50.074209] RSP: 002b:00007ff61239ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.081900] RAX: ffffffffffffffda RBX: 00007ff61239ac90 RCX: 0000000000458c29 [ 50.089767] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.102754] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.110188] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff61239b6d4 [ 50.117534] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 50.124789] CPU: 1 PID: 7058 Comm: syz-executor.2 Not tainted 4.14.177-syzkaller #0 [ 50.132583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.141938] Call Trace: [ 50.144521] dump_stack+0xf7/0x13b [ 50.148236] should_fail.cold.3+0x105/0x14b [ 50.152685] should_failslab+0xba/0xf0 [ 50.156685] __kmalloc+0x70/0x7b0 [ 50.160117] ? __tty_buffer_request_room+0x191/0x620 [ 50.165196] __tty_buffer_request_room+0x191/0x620 [ 50.170109] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 50.175620] pty_write+0xf3/0x200 [ 50.179064] tty_put_char+0xff/0x120 [ 50.183012] ? dev_match_devt+0x90/0x90 [ 50.186969] ? pty_write_room+0x8f/0xb0 [ 50.190917] __process_echoes+0x203/0x790 [ 50.195054] n_tty_receive_buf_common+0x75b/0x29a0 [ 50.200051] ? ldsem_wake+0x40/0x40 [ 50.203682] n_tty_receive_buf+0xc/0xe [ 50.207674] tty_ioctl+0x630/0x1270 [ 50.211276] ? avc_ss_reset+0xe0/0xe0 [ 50.215068] ? tty_vhangup+0x20/0x20 [ 50.218775] ? get_pid_task+0x8b/0x100 [ 50.222685] ? proc_fail_nth_write+0xd6/0x160 [ 50.227171] ? proc_cwd_link+0x1a0/0x1a0 [ 50.231224] ? __fdget_pos+0x8e/0xc0 [ 50.234931] ? trace_hardirqs_on+0x10/0x10 [ 50.239148] ? __vfs_write+0xde/0x850 [ 50.242951] ? __might_sleep+0x93/0xb0 [ 50.246837] do_vfs_ioctl+0x183/0xfc0 [ 50.250631] ? __fget+0x1ad/0x2f0 [ 50.254060] ? ioctl_preallocate+0x1a0/0x1a0 [ 50.258482] ? __fget+0x1ca/0x2f0 [ 50.261935] ? security_file_ioctl+0x70/0xa0 [ 50.266319] ? selinux_file_mprotect+0x630/0x630 [ 50.271050] ? security_file_ioctl+0x70/0xa0 [ 50.275455] SyS_ioctl+0x74/0x80 [ 50.278804] ? do_vfs_ioctl+0xfc0/0xfc0 [ 50.282777] do_syscall_64+0x1c9/0x5b0 [ 50.286816] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.291640] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.296811] RIP: 0033:0x458c29 [ 50.299992] RSP: 002b:00007fb34725ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.308278] RAX: ffffffffffffffda RBX: 00007fb34725ec90 RCX: 0000000000458c29 [ 50.315524] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.322778] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.330029] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb34725f6d4 [ 50.337278] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 50.374484] device hsr_slave_1 entered promiscuous mode [ 50.394687] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 50.401549] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 50.419441] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 50.442515] 8021q: adding VLAN 0 to HW filter on device bond0 [ 50.450600] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 50.460155] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 50.467241] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 50.475001] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 50.483569] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 50.489988] 8021q: adding VLAN 0 to HW filter on device team0 [ 50.497594] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 50.504617] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 50.512212] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 50.520067] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.526438] bridge0: port 1(bridge_slave_0) entered forwarding state [ 50.533685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 50.545940] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 50.557776] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 50.562241] FAULT_INJECTION: forcing a failure. [ 50.562241] name failslab, interval 1, probability 0, space 0, times 0 [ 50.565876] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 50.576460] CPU: 1 PID: 7069 Comm: syz-executor.0 Not tainted 4.14.177-syzkaller #0 [ 50.576463] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.576465] Call Trace: [ 50.576478] dump_stack+0xf7/0x13b [ 50.576486] should_fail.cold.3+0x105/0x14b [ 50.576492] should_failslab+0xba/0xf0 [ 50.576497] __kmalloc+0x70/0x7b0 [ 50.576505] ? __tty_buffer_request_room+0x191/0x620 [ 50.586799] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.591538] __tty_buffer_request_room+0x191/0x620 [ 50.601556] bridge0: port 2(bridge_slave_1) entered forwarding state [ 50.604517] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 50.604524] pty_write+0xf3/0x200 [ 50.604530] tty_put_char+0xff/0x120 [ 50.604533] ? dev_match_devt+0x90/0x90 [ 50.604538] ? pty_write_room+0x8f/0xb0 [ 50.663487] __process_echoes+0x203/0x790 [ 50.667628] n_tty_receive_buf_common+0x75b/0x29a0 [ 50.672533] ? ldsem_wake+0x40/0x40 [ 50.676138] n_tty_receive_buf+0xc/0xe [ 50.679999] tty_ioctl+0x630/0x1270 [ 50.683597] ? avc_ss_reset+0xe0/0xe0 [ 50.687369] ? tty_vhangup+0x20/0x20 [ 50.691078] ? get_pid_task+0x8b/0x100 [ 50.694959] ? proc_fail_nth_write+0xd6/0x160 [ 50.699425] ? proc_cwd_link+0x1a0/0x1a0 [ 50.703476] ? __fdget_pos+0x8e/0xc0 [ 50.707164] ? trace_hardirqs_on+0x10/0x10 [ 50.711371] ? __vfs_write+0xde/0x850 [ 50.715144] ? __might_sleep+0x93/0xb0 [ 50.719004] do_vfs_ioctl+0x183/0xfc0 [ 50.722777] ? __fget+0x1ad/0x2f0 [ 50.726202] ? ioctl_preallocate+0x1a0/0x1a0 [ 50.730586] ? __fget+0x1ca/0x2f0 [ 50.734017] ? security_file_ioctl+0x70/0xa0 [ 50.738406] ? selinux_file_mprotect+0x630/0x630 [ 50.743653] ? security_file_ioctl+0x70/0xa0 [ 50.748063] SyS_ioctl+0x74/0x80 [ 50.751402] ? do_vfs_ioctl+0xfc0/0xfc0 [ 50.755375] do_syscall_64+0x1c9/0x5b0 [ 50.759501] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.764318] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 50.770001] RIP: 0033:0x458c29 [ 50.773163] RSP: 002b:00007fb1ebaa9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 50.780858] RAX: ffffffffffffffda RBX: 00007fb1ebaa9c90 RCX: 0000000000458c29 [ 50.788103] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 50.795345] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 50.802735] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1ebaaa6d4 [ 50.809988] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 50.820980] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 50.834063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 50.843865] FAULT_INJECTION: forcing a failure. [ 50.843865] name failslab, interval 1, probability 0, space 0, times 0 [ 50.845797] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 50.855232] CPU: 0 PID: 7073 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 50.855234] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.855236] Call Trace: [ 50.855247] dump_stack+0xf7/0x13b [ 50.855255] should_fail.cold.3+0x105/0x14b [ 50.855261] should_failslab+0xba/0xf0 [ 50.855267] __kmalloc+0x70/0x7b0 [ 50.855272] ? __tty_buffer_request_room+0x191/0x620 [ 50.855276] __tty_buffer_request_room+0x191/0x620 [ 50.855282] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 50.855288] pty_write+0xf3/0x200 [ 50.855293] tty_put_char+0xff/0x120 [ 50.855297] ? dev_match_devt+0x90/0x90 [ 50.855301] ? pty_write_room+0x8f/0xb0 [ 50.855307] __process_echoes+0x203/0x790 [ 50.874115] FAULT_INJECTION: forcing a failure. [ 50.874115] name failslab, interval 1, probability 0, space 0, times 0 [ 50.879347] n_tty_receive_buf_common+0x75b/0x29a0 [ 50.948975] ? ldsem_wake+0x40/0x40 [ 50.952584] n_tty_receive_buf+0xc/0xe [ 50.956629] tty_ioctl+0x630/0x1270 [ 50.960246] ? avc_ss_reset+0xe0/0xe0 [ 50.964018] ? tty_vhangup+0x20/0x20 [ 50.967705] ? get_pid_task+0x8b/0x100 [ 50.971583] ? proc_fail_nth_write+0xd6/0x160 [ 50.976054] ? proc_cwd_link+0x1a0/0x1a0 [ 50.980091] ? __fdget_pos+0x8e/0xc0 [ 50.983807] ? trace_hardirqs_on+0x10/0x10 [ 50.988023] ? __vfs_write+0xde/0x850 [ 50.992059] ? __might_sleep+0x93/0xb0 [ 50.995923] do_vfs_ioctl+0x183/0xfc0 [ 50.999702] ? __fget+0x1ad/0x2f0 [ 51.003130] ? ioctl_preallocate+0x1a0/0x1a0 [ 51.007514] ? __fget+0x1ca/0x2f0 [ 51.010945] ? security_file_ioctl+0x70/0xa0 [ 51.015328] ? selinux_file_mprotect+0x630/0x630 [ 51.020490] ? security_file_ioctl+0x70/0xa0 [ 51.024874] SyS_ioctl+0x74/0x80 [ 51.028214] ? do_vfs_ioctl+0xfc0/0xfc0 [ 51.032250] do_syscall_64+0x1c9/0x5b0 [ 51.036198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.041015] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.046179] RIP: 0033:0x458c29 [ 51.049345] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.057114] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 51.064363] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.071782] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.079030] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 51.086276] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 51.093529] CPU: 1 PID: 7076 Comm: syz-executor.4 Not tainted 4.14.177-syzkaller #0 [ 51.101346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.106518] FAULT_INJECTION: forcing a failure. [ 51.106518] name failslab, interval 1, probability 0, space 0, times 0 [ 51.110706] Call Trace: [ 51.124449] dump_stack+0xf7/0x13b [ 51.128401] should_fail.cold.3+0x105/0x14b [ 51.132811] should_failslab+0xba/0xf0 [ 51.136700] __kmalloc+0x70/0x7b0 [ 51.140146] ? __tty_buffer_request_room+0x191/0x620 [ 51.145223] __tty_buffer_request_room+0x191/0x620 [ 51.150322] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 51.155860] pty_write+0xf3/0x200 [ 51.159291] tty_put_char+0xff/0x120 [ 51.162980] ? dev_match_devt+0x90/0x90 [ 51.166928] ? pty_write_room+0x8f/0xb0 [ 51.170878] __process_echoes+0x203/0x790 [ 51.175003] n_tty_receive_buf_common+0x75b/0x29a0 [ 51.179906] ? ldsem_wake+0x40/0x40 [ 51.183717] n_tty_receive_buf+0xc/0xe [ 51.187579] tty_ioctl+0x630/0x1270 [ 51.191282] ? avc_ss_reset+0xe0/0xe0 [ 51.195057] ? tty_vhangup+0x20/0x20 [ 51.198750] ? get_pid_task+0x8b/0x100 [ 51.202629] ? proc_fail_nth_write+0xd6/0x160 [ 51.207116] ? proc_cwd_link+0x1a0/0x1a0 [ 51.211160] ? __fdget_pos+0x8e/0xc0 [ 51.214878] ? trace_hardirqs_on+0x10/0x10 [ 51.219199] ? __vfs_write+0xde/0x850 [ 51.223237] ? __might_sleep+0x93/0xb0 [ 51.227201] do_vfs_ioctl+0x183/0xfc0 [ 51.230976] ? __fget+0x1ad/0x2f0 [ 51.234417] ? ioctl_preallocate+0x1a0/0x1a0 [ 51.238799] ? __fget+0x1ca/0x2f0 [ 51.242228] ? security_file_ioctl+0x70/0xa0 [ 51.246698] ? selinux_file_mprotect+0x630/0x630 [ 51.251425] ? security_file_ioctl+0x70/0xa0 [ 51.255822] SyS_ioctl+0x74/0x80 [ 51.259161] ? do_vfs_ioctl+0xfc0/0xfc0 [ 51.263117] do_syscall_64+0x1c9/0x5b0 [ 51.266993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.271814] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.276979] RIP: 0033:0x458c29 [ 51.280144] RSP: 002b:00007fc9d59c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.287828] RAX: ffffffffffffffda RBX: 00007fc9d59c2c90 RCX: 0000000000458c29 [ 51.295075] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.302321] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.309935] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9d59c36d4 [ 51.317265] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 51.325220] CPU: 0 PID: 7074 Comm: syz-executor.0 Not tainted 4.14.177-syzkaller #0 [ 51.333017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.333814] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 51.342708] Call Trace: [ 51.342721] dump_stack+0xf7/0x13b [ 51.342728] should_fail.cold.3+0x105/0x14b [ 51.342735] should_failslab+0xba/0xf0 [ 51.342740] __kmalloc+0x70/0x7b0 [ 51.342746] ? __tty_buffer_request_room+0x191/0x620 [ 51.342751] __tty_buffer_request_room+0x191/0x620 [ 51.342759] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 51.351967] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 51.352609] pty_write+0xf3/0x200 [ 51.357744] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 51.360433] tty_put_char+0xff/0x120 [ 51.360438] ? dev_match_devt+0x90/0x90 [ 51.364456] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 51.367739] ? pty_write_room+0x8f/0xb0 [ 51.367745] __process_echoes+0x203/0x790 [ 51.367752] n_tty_receive_buf_common+0x75b/0x29a0 [ 51.374729] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 51.378886] ? ldsem_wake+0x40/0x40 [ 51.378898] n_tty_receive_buf+0xc/0xe [ 51.378903] tty_ioctl+0x630/0x1270 [ 51.384818] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 51.391153] ? avc_ss_reset+0xe0/0xe0 [ 51.391160] ? tty_vhangup+0x20/0x20 [ 51.391165] ? get_pid_task+0x8b/0x100 [ 51.391178] ? proc_fail_nth_write+0xd6/0x160 [ 51.395137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 51.401360] ? proc_cwd_link+0x1a0/0x1a0 [ 51.401366] ? __fdget_pos+0x8e/0xc0 [ 51.401373] ? trace_hardirqs_on+0x10/0x10 [ 51.401380] ? __vfs_write+0xde/0x850 [ 51.406793] IPv6: ADDRCONF(NETDEV_UP): veth0_to_hsr: link is not ready [ 51.409034] ? __might_sleep+0x93/0xb0 [ 51.416518] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 51.420323] do_vfs_ioctl+0x183/0xfc0 [ 51.420329] ? __fget+0x1ad/0x2f0 [ 51.420334] ? ioctl_preallocate+0x1a0/0x1a0 [ 51.425208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 51.430255] ? __fget+0x1ca/0x2f0 [ 51.430264] ? security_file_ioctl+0x70/0xa0 [ 51.430268] ? selinux_file_mprotect+0x630/0x630 [ 51.430273] ? security_file_ioctl+0x70/0xa0 [ 51.437696] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 51.440959] SyS_ioctl+0x74/0x80 [ 51.440964] ? do_vfs_ioctl+0xfc0/0xfc0 [ 51.440969] do_syscall_64+0x1c9/0x5b0 [ 51.440974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 51.446556] IPv6: ADDRCONF(NETDEV_UP): veth1_to_hsr: link is not ready [ 51.448566] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 51.458046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 51.459546] RIP: 0033:0x458c29 [ 51.459549] RSP: 002b:00007fb1ebaa9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 51.459554] RAX: ffffffffffffffda RBX: 00007fb1ebaa9c90 RCX: 0000000000458c29 [ 51.459558] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 51.463621] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 51.467132] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 51.467135] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1ebaaa6d4 [ 51.467136] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 51.656221] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 51.662385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 51.691596] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 51.701788] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 52.789103] FAULT_INJECTION: forcing a failure. [ 52.789103] name failslab, interval 1, probability 0, space 0, times 0 [ 52.800345] CPU: 1 PID: 7091 Comm: syz-executor.1 Not tainted 4.14.177-syzkaller #0 [ 52.808262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 52.817695] Call Trace: [ 52.820269] dump_stack+0xf7/0x13b [ 52.823786] should_fail.cold.3+0x105/0x14b [ 52.828082] should_failslab+0xba/0xf0 [ 52.831968] __kmalloc+0x70/0x7b0 [ 52.835397] ? __tty_buffer_request_room+0x191/0x620 [ 52.840644] __tty_buffer_request_room+0x191/0x620 [ 52.845552] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 52.851077] pty_write+0xf3/0x200 [ 52.854518] tty_put_char+0xff/0x120 [ 52.858218] ? dev_match_devt+0x90/0x90 [ 52.862262] ? pty_write_room+0x8f/0xb0 [ 52.867109] __process_echoes+0x203/0x790 [ 52.871325] n_tty_receive_buf_common+0x75b/0x29a0 [ 52.876244] ? ldsem_wake+0x40/0x40 [ 52.879950] n_tty_receive_buf+0xc/0xe [ 52.883810] tty_ioctl+0x630/0x1270 [ 52.887407] ? avc_ss_reset+0xe0/0xe0 [ 52.891180] ? tty_vhangup+0x20/0x20 [ 52.894884] ? get_pid_task+0x8b/0x100 [ 52.898763] ? proc_fail_nth_write+0xd6/0x160 [ 52.903249] ? proc_cwd_link+0x1a0/0x1a0 [ 52.908292] ? __fdget_pos+0x8e/0xc0 [ 52.911998] ? trace_hardirqs_on+0x10/0x10 [ 52.916230] ? __vfs_write+0xde/0x850 [ 52.920106] ? __might_sleep+0x93/0xb0 [ 52.923968] do_vfs_ioctl+0x183/0xfc0 [ 52.927744] ? __fget+0x1ad/0x2f0 [ 52.931189] ? ioctl_preallocate+0x1a0/0x1a0 [ 52.935568] ? __fget+0x1ca/0x2f0 [ 52.939007] ? security_file_ioctl+0x70/0xa0 [ 52.943384] ? selinux_file_mprotect+0x630/0x630 [ 52.948180] ? security_file_ioctl+0x70/0xa0 [ 52.952600] SyS_ioctl+0x74/0x80 [ 52.955945] ? do_vfs_ioctl+0xfc0/0xfc0 [ 52.959895] do_syscall_64+0x1c9/0x5b0 [ 52.963754] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 52.968596] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 52.973759] RIP: 0033:0x458c29 [ 52.976922] RSP: 002b:00007efcda26ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 2020/04/29 05:57:08 executed programs: 22 [ 52.984605] RAX: ffffffffffffffda RBX: 00007efcda26ec90 RCX: 0000000000458c29 [ 52.991848] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 52.999093] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.007220] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcda26f6d4 [ 53.014473] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.035202] FAULT_INJECTION: forcing a failure. [ 53.035202] name failslab, interval 1, probability 0, space 0, times 0 [ 53.046417] CPU: 1 PID: 7100 Comm: syz-executor.5 Not tainted 4.14.177-syzkaller #0 [ 53.054981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.061331] FAULT_INJECTION: forcing a failure. [ 53.061331] name failslab, interval 1, probability 0, space 0, times 0 [ 53.064347] Call Trace: [ 53.078068] dump_stack+0xf7/0x13b [ 53.081584] should_fail.cold.3+0x105/0x14b [ 53.085881] should_failslab+0xba/0xf0 [ 53.089743] __kmalloc+0x70/0x7b0 [ 53.093182] ? __tty_buffer_request_room+0x191/0x620 [ 53.098274] __tty_buffer_request_room+0x191/0x620 [ 53.103267] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.108781] pty_write+0xf3/0x200 [ 53.112207] tty_put_char+0xff/0x120 [ 53.115894] ? dev_match_devt+0x90/0x90 [ 53.119937] ? pty_write_room+0x8f/0xb0 [ 53.123905] __process_echoes+0x203/0x790 [ 53.128027] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.132927] ? ldsem_wake+0x40/0x40 [ 53.136544] n_tty_receive_buf+0xc/0xe [ 53.140415] tty_ioctl+0x630/0x1270 [ 53.144015] ? avc_ss_reset+0xe0/0xe0 [ 53.147788] ? tty_vhangup+0x20/0x20 [ 53.151477] ? get_pid_task+0x8b/0x100 [ 53.155599] ? proc_fail_nth_write+0xd6/0x160 [ 53.160068] ? proc_cwd_link+0x1a0/0x1a0 [ 53.164101] ? __fdget_pos+0x8e/0xc0 [ 53.167788] ? trace_hardirqs_on+0x10/0x10 [ 53.171994] ? __vfs_write+0xde/0x850 [ 53.175776] ? __might_sleep+0x93/0xb0 [ 53.179656] do_vfs_ioctl+0x183/0xfc0 [ 53.183441] ? __fget+0x1ad/0x2f0 [ 53.186880] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.191261] ? __fget+0x1ca/0x2f0 [ 53.194710] ? security_file_ioctl+0x70/0xa0 [ 53.199120] ? selinux_file_mprotect+0x630/0x630 [ 53.203948] ? security_file_ioctl+0x70/0xa0 [ 53.208368] SyS_ioctl+0x74/0x80 [ 53.212775] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.216741] do_syscall_64+0x1c9/0x5b0 [ 53.220611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.225427] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.230591] RIP: 0033:0x458c29 [ 53.233760] RSP: 002b:00007ff61239ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.241453] RAX: ffffffffffffffda RBX: 00007ff61239ac90 RCX: 0000000000458c29 [ 53.248788] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.256039] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.263294] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff61239b6d4 [ 53.270541] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.277798] CPU: 0 PID: 7104 Comm: syz-executor.0 Not tainted 4.14.177-syzkaller #0 [ 53.285590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.291567] FAULT_INJECTION: forcing a failure. [ 53.291567] name failslab, interval 1, probability 0, space 0, times 0 [ 53.294933] Call Trace: [ 53.308743] dump_stack+0xf7/0x13b [ 53.312785] should_fail.cold.3+0x105/0x14b [ 53.317094] should_failslab+0xba/0xf0 [ 53.320953] __kmalloc+0x70/0x7b0 [ 53.324400] ? __tty_buffer_request_room+0x191/0x620 [ 53.329475] __tty_buffer_request_room+0x191/0x620 [ 53.334464] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.339974] pty_write+0xf3/0x200 [ 53.343402] tty_put_char+0xff/0x120 [ 53.347088] ? dev_match_devt+0x90/0x90 [ 53.351035] ? pty_write_room+0x8f/0xb0 [ 53.354989] __process_echoes+0x203/0x790 [ 53.359113] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.364015] ? ldsem_wake+0x40/0x40 [ 53.367620] n_tty_receive_buf+0xc/0xe [ 53.371486] tty_ioctl+0x630/0x1270 [ 53.375084] ? avc_ss_reset+0xe0/0xe0 [ 53.378855] ? tty_vhangup+0x20/0x20 [ 53.382543] ? get_pid_task+0x8b/0x100 [ 53.386402] ? proc_fail_nth_write+0xd6/0x160 [ 53.390870] ? proc_cwd_link+0x1a0/0x1a0 [ 53.394904] ? __fdget_pos+0x8e/0xc0 [ 53.398608] ? trace_hardirqs_on+0x10/0x10 [ 53.402818] ? __vfs_write+0xde/0x850 [ 53.406592] ? __might_sleep+0x93/0xb0 [ 53.410455] do_vfs_ioctl+0x183/0xfc0 [ 53.414255] ? __fget+0x1ad/0x2f0 [ 53.417682] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.422065] ? __fget+0x1ca/0x2f0 [ 53.425505] ? security_file_ioctl+0x70/0xa0 [ 53.429890] ? selinux_file_mprotect+0x630/0x630 [ 53.434619] ? security_file_ioctl+0x70/0xa0 [ 53.438999] SyS_ioctl+0x74/0x80 [ 53.442343] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.446290] do_syscall_64+0x1c9/0x5b0 [ 53.450150] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.454969] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.460133] RIP: 0033:0x458c29 [ 53.463295] RSP: 002b:00007fb1ebaa9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.470975] RAX: ffffffffffffffda RBX: 00007fb1ebaa9c90 RCX: 0000000000458c29 [ 53.478228] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.485647] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.492907] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1ebaaa6d4 [ 53.500167] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.507422] CPU: 1 PID: 7101 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 53.515224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.524576] Call Trace: [ 53.527154] dump_stack+0xf7/0x13b [ 53.530692] should_fail.cold.3+0x105/0x14b [ 53.535013] should_failslab+0xba/0xf0 [ 53.538893] __kmalloc+0x70/0x7b0 [ 53.541078] FAULT_INJECTION: forcing a failure. [ 53.541078] name failslab, interval 1, probability 0, space 0, times 0 [ 53.542342] ? __tty_buffer_request_room+0x191/0x620 [ 53.559109] __tty_buffer_request_room+0x191/0x620 [ 53.564017] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.569543] pty_write+0xf3/0x200 [ 53.572973] tty_put_char+0xff/0x120 [ 53.576667] ? dev_match_devt+0x90/0x90 [ 53.580633] ? pty_write_room+0x8f/0xb0 [ 53.584580] __process_echoes+0x203/0x790 [ 53.588718] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.593635] ? ldsem_wake+0x40/0x40 [ 53.597258] n_tty_receive_buf+0xc/0xe [ 53.601136] tty_ioctl+0x630/0x1270 [ 53.604736] ? avc_ss_reset+0xe0/0xe0 [ 53.608521] ? tty_vhangup+0x20/0x20 [ 53.612207] ? get_pid_task+0x8b/0x100 [ 53.616078] ? proc_fail_nth_write+0xd6/0x160 [ 53.620548] ? proc_cwd_link+0x1a0/0x1a0 [ 53.624585] ? __fdget_pos+0x8e/0xc0 [ 53.628276] ? trace_hardirqs_on+0x10/0x10 [ 53.632487] ? __vfs_write+0xde/0x850 [ 53.636286] ? __might_sleep+0x93/0xb0 [ 53.640157] do_vfs_ioctl+0x183/0xfc0 [ 53.643937] ? __fget+0x1ad/0x2f0 [ 53.647370] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.651752] ? __fget+0x1ca/0x2f0 [ 53.655180] ? security_file_ioctl+0x70/0xa0 [ 53.660799] ? selinux_file_mprotect+0x630/0x630 [ 53.665789] ? security_file_ioctl+0x70/0xa0 [ 53.670171] SyS_ioctl+0x74/0x80 [ 53.673510] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.677465] do_syscall_64+0x1c9/0x5b0 [ 53.681355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.686183] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.691361] RIP: 0033:0x458c29 [ 53.694550] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.702235] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 53.709493] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.716739] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.723982] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 53.731240] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.738511] CPU: 0 PID: 7105 Comm: syz-executor.4 Not tainted 4.14.177-syzkaller #0 [ 53.746308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.755656] Call Trace: [ 53.757930] FAULT_INJECTION: forcing a failure. [ 53.757930] name failslab, interval 1, probability 0, space 0, times 0 [ 53.758240] dump_stack+0xf7/0x13b [ 53.773527] should_fail.cold.3+0x105/0x14b [ 53.777826] should_failslab+0xba/0xf0 [ 53.781688] __kmalloc+0x70/0x7b0 [ 53.785117] ? __tty_buffer_request_room+0x191/0x620 [ 53.790194] __tty_buffer_request_room+0x191/0x620 [ 53.795108] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 53.800621] pty_write+0xf3/0x200 [ 53.804053] tty_put_char+0xff/0x120 [ 53.807743] ? dev_match_devt+0x90/0x90 [ 53.812558] ? pty_write_room+0x8f/0xb0 [ 53.816506] __process_echoes+0x203/0x790 [ 53.820637] n_tty_receive_buf_common+0x75b/0x29a0 [ 53.825542] ? ldsem_wake+0x40/0x40 [ 53.829148] n_tty_receive_buf+0xc/0xe [ 53.833027] tty_ioctl+0x630/0x1270 [ 53.836647] ? avc_ss_reset+0xe0/0xe0 [ 53.840690] ? tty_vhangup+0x20/0x20 [ 53.844395] ? get_pid_task+0x8b/0x100 [ 53.848262] ? proc_fail_nth_write+0xd6/0x160 [ 53.852734] ? proc_cwd_link+0x1a0/0x1a0 [ 53.856787] ? __fdget_pos+0x8e/0xc0 [ 53.860650] ? trace_hardirqs_on+0x10/0x10 [ 53.864886] ? __vfs_write+0xde/0x850 [ 53.868661] ? __might_sleep+0x93/0xb0 [ 53.872548] do_vfs_ioctl+0x183/0xfc0 [ 53.876322] ? __fget+0x1ad/0x2f0 [ 53.879749] ? ioctl_preallocate+0x1a0/0x1a0 [ 53.884133] ? __fget+0x1ca/0x2f0 [ 53.887562] ? security_file_ioctl+0x70/0xa0 [ 53.891952] ? selinux_file_mprotect+0x630/0x630 [ 53.896678] ? security_file_ioctl+0x70/0xa0 [ 53.901059] SyS_ioctl+0x74/0x80 [ 53.904405] ? do_vfs_ioctl+0xfc0/0xfc0 [ 53.908354] do_syscall_64+0x1c9/0x5b0 [ 53.912214] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.917032] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 53.922193] RIP: 0033:0x458c29 [ 53.925356] RSP: 002b:00007fc9d59c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 53.933124] RAX: ffffffffffffffda RBX: 00007fc9d59c2c90 RCX: 0000000000458c29 [ 53.940366] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 53.947632] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 53.954876] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9d59c36d4 [ 53.962119] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 53.969378] CPU: 1 PID: 7106 Comm: syz-executor.1 Not tainted 4.14.177-syzkaller #0 [ 53.977167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 53.986604] Call Trace: [ 53.989190] dump_stack+0xf7/0x13b [ 53.992729] should_fail.cold.3+0x105/0x14b [ 53.995915] FAULT_INJECTION: forcing a failure. [ 53.995915] name failslab, interval 1, probability 0, space 0, times 0 [ 53.997041] should_failslab+0xba/0xf0 [ 54.012067] __kmalloc+0x70/0x7b0 [ 54.021226] ? __tty_buffer_request_room+0x191/0x620 [ 54.026388] __tty_buffer_request_room+0x191/0x620 [ 54.031292] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.037496] pty_write+0xf3/0x200 [ 54.040935] tty_put_char+0xff/0x120 [ 54.044620] ? dev_match_devt+0x90/0x90 [ 54.048573] ? pty_write_room+0x8f/0xb0 [ 54.052520] __process_echoes+0x203/0x790 [ 54.056689] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.061596] ? ldsem_wake+0x40/0x40 [ 54.065203] n_tty_receive_buf+0xc/0xe [ 54.069150] tty_ioctl+0x630/0x1270 [ 54.072747] ? avc_ss_reset+0xe0/0xe0 [ 54.076521] ? tty_vhangup+0x20/0x20 [ 54.080211] ? get_pid_task+0x8b/0x100 [ 54.084071] ? proc_fail_nth_write+0xd6/0x160 [ 54.088539] ? proc_cwd_link+0x1a0/0x1a0 [ 54.092574] ? __fdget_pos+0x8e/0xc0 [ 54.096264] ? trace_hardirqs_on+0x10/0x10 [ 54.100469] ? __vfs_write+0xde/0x850 [ 54.104246] ? __might_sleep+0x93/0xb0 [ 54.108105] do_vfs_ioctl+0x183/0xfc0 [ 54.112049] ? __fget+0x1ad/0x2f0 [ 54.115475] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.119855] ? __fget+0x1ca/0x2f0 [ 54.123281] ? security_file_ioctl+0x70/0xa0 [ 54.127662] ? selinux_file_mprotect+0x630/0x630 [ 54.132393] ? security_file_ioctl+0x70/0xa0 [ 54.136772] SyS_ioctl+0x74/0x80 [ 54.140110] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.144059] do_syscall_64+0x1c9/0x5b0 [ 54.147917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.152750] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.157913] RIP: 0033:0x458c29 [ 54.161075] RSP: 002b:00007efcda26ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.168757] RAX: ffffffffffffffda RBX: 00007efcda26ec90 RCX: 0000000000458c29 [ 54.175999] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.183257] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.190502] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcda26f6d4 [ 54.197750] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.205004] CPU: 0 PID: 7114 Comm: syz-executor.2 Not tainted 4.14.177-syzkaller #0 [ 54.213923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.219479] FAULT_INJECTION: forcing a failure. [ 54.219479] name failslab, interval 1, probability 0, space 0, times 0 [ 54.227258] Call Trace: [ 54.240986] dump_stack+0xf7/0x13b [ 54.244500] should_fail.cold.3+0x105/0x14b [ 54.248797] should_failslab+0xba/0xf0 [ 54.252659] __kmalloc+0x70/0x7b0 [ 54.256087] ? __tty_buffer_request_room+0x191/0x620 [ 54.261164] __tty_buffer_request_room+0x191/0x620 [ 54.266068] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.271599] pty_write+0xf3/0x200 [ 54.275284] tty_put_char+0xff/0x120 [ 54.278970] ? dev_match_devt+0x90/0x90 [ 54.282917] ? pty_write_room+0x8f/0xb0 [ 54.286864] __process_echoes+0x203/0x790 [ 54.290988] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.295887] ? ldsem_wake+0x40/0x40 [ 54.299492] n_tty_receive_buf+0xc/0xe [ 54.304315] tty_ioctl+0x630/0x1270 [ 54.307913] ? avc_ss_reset+0xe0/0xe0 [ 54.311694] ? tty_vhangup+0x20/0x20 [ 54.315379] ? get_pid_task+0x8b/0x100 [ 54.319238] ? proc_fail_nth_write+0xd6/0x160 [ 54.323709] ? proc_cwd_link+0x1a0/0x1a0 [ 54.327743] ? __fdget_pos+0x8e/0xc0 [ 54.331440] ? trace_hardirqs_on+0x10/0x10 [ 54.335645] ? __vfs_write+0xde/0x850 [ 54.339421] ? __might_sleep+0x93/0xb0 [ 54.343283] do_vfs_ioctl+0x183/0xfc0 [ 54.347056] ? __fget+0x1ad/0x2f0 [ 54.350482] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.354863] ? __fget+0x1ca/0x2f0 [ 54.358290] ? security_file_ioctl+0x70/0xa0 [ 54.362672] ? selinux_file_mprotect+0x630/0x630 [ 54.367403] ? security_file_ioctl+0x70/0xa0 [ 54.371782] SyS_ioctl+0x74/0x80 [ 54.375118] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.379066] do_syscall_64+0x1c9/0x5b0 [ 54.383629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.388459] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.394576] RIP: 0033:0x458c29 [ 54.397740] RSP: 002b:00007fb34725ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.405432] RAX: ffffffffffffffda RBX: 00007fb34725ec90 RCX: 0000000000458c29 [ 54.412672] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.419914] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.427160] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb34725f6d4 [ 54.434403] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.441655] CPU: 1 PID: 7116 Comm: syz-executor.5 Not tainted 4.14.177-syzkaller #0 [ 54.449444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.458786] Call Trace: [ 54.461364] dump_stack+0xf7/0x13b [ 54.464896] should_fail.cold.3+0x105/0x14b [ 54.469293] should_failslab+0xba/0xf0 [ 54.473170] __kmalloc+0x70/0x7b0 [ 54.476619] ? __tty_buffer_request_room+0x191/0x620 [ 54.481712] __tty_buffer_request_room+0x191/0x620 [ 54.487153] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.489808] FAULT_INJECTION: forcing a failure. [ 54.489808] name failslab, interval 1, probability 0, space 0, times 0 [ 54.492677] pty_write+0xf3/0x200 [ 54.507256] tty_put_char+0xff/0x120 [ 54.510941] ? dev_match_devt+0x90/0x90 [ 54.514888] ? pty_write_room+0x8f/0xb0 [ 54.518834] __process_echoes+0x203/0x790 [ 54.522970] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.527872] ? ldsem_wake+0x40/0x40 [ 54.531478] n_tty_receive_buf+0xc/0xe [ 54.535433] tty_ioctl+0x630/0x1270 [ 54.539030] ? avc_ss_reset+0xe0/0xe0 [ 54.542888] ? tty_vhangup+0x20/0x20 [ 54.546574] ? get_pid_task+0x8b/0x100 [ 54.550440] ? proc_fail_nth_write+0xd6/0x160 [ 54.554906] ? proc_cwd_link+0x1a0/0x1a0 [ 54.558939] ? __fdget_pos+0x8e/0xc0 [ 54.562630] ? trace_hardirqs_on+0x10/0x10 [ 54.566838] ? __vfs_write+0xde/0x850 [ 54.570611] ? __might_sleep+0x93/0xb0 [ 54.574473] do_vfs_ioctl+0x183/0xfc0 [ 54.578245] ? __fget+0x1ad/0x2f0 [ 54.581671] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.587273] ? __fget+0x1ca/0x2f0 [ 54.590702] ? security_file_ioctl+0x70/0xa0 [ 54.595097] ? selinux_file_mprotect+0x630/0x630 [ 54.600270] ? security_file_ioctl+0x70/0xa0 [ 54.604652] SyS_ioctl+0x74/0x80 [ 54.607995] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.611971] do_syscall_64+0x1c9/0x5b0 [ 54.615832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.620650] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.625812] RIP: 0033:0x458c29 [ 54.628976] RSP: 002b:00007ff61239ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.636657] RAX: ffffffffffffffda RBX: 00007ff61239ac90 RCX: 0000000000458c29 [ 54.643913] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.651250] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.658500] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff61239b6d4 [ 54.665758] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.673017] CPU: 0 PID: 7118 Comm: syz-executor.0 Not tainted 4.14.177-syzkaller #0 [ 54.680809] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.690693] Call Trace: [ 54.693278] dump_stack+0xf7/0x13b [ 54.696828] should_fail.cold.3+0x105/0x14b [ 54.701146] should_failslab+0xba/0xf0 [ 54.705722] __kmalloc+0x70/0x7b0 [ 54.709179] ? __tty_buffer_request_room+0x191/0x620 [ 54.714277] __tty_buffer_request_room+0x191/0x620 [ 54.719637] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.725177] pty_write+0xf3/0x200 [ 54.728631] tty_put_char+0xff/0x120 [ 54.732337] ? dev_match_devt+0x90/0x90 [ 54.736428] ? pty_write_room+0x8f/0xb0 [ 54.740397] __process_echoes+0x203/0x790 [ 54.744541] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.749465] ? ldsem_wake+0x40/0x40 [ 54.753089] n_tty_receive_buf+0xc/0xe [ 54.757323] tty_ioctl+0x630/0x1270 [ 54.760971] ? avc_ss_reset+0xe0/0xe0 [ 54.766975] ? tty_vhangup+0x20/0x20 [ 54.770681] ? get_pid_task+0x8b/0x100 [ 54.774566] ? proc_fail_nth_write+0xd6/0x160 [ 54.775750] FAULT_INJECTION: forcing a failure. [ 54.775750] name failslab, interval 1, probability 0, space 0, times 0 [ 54.779237] ? proc_cwd_link+0x1a0/0x1a0 [ 54.794490] ? __fdget_pos+0x8e/0xc0 [ 54.798182] ? trace_hardirqs_on+0x10/0x10 [ 54.802391] ? __vfs_write+0xde/0x850 [ 54.806168] ? __might_sleep+0x93/0xb0 [ 54.810055] do_vfs_ioctl+0x183/0xfc0 [ 54.813830] ? __fget+0x1ad/0x2f0 [ 54.817272] ? ioctl_preallocate+0x1a0/0x1a0 [ 54.821769] ? __fget+0x1ca/0x2f0 [ 54.825200] ? security_file_ioctl+0x70/0xa0 [ 54.829599] ? selinux_file_mprotect+0x630/0x630 [ 54.834331] ? security_file_ioctl+0x70/0xa0 [ 54.838946] SyS_ioctl+0x74/0x80 [ 54.842292] ? do_vfs_ioctl+0xfc0/0xfc0 [ 54.846245] do_syscall_64+0x1c9/0x5b0 [ 54.850131] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.854959] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 54.860141] RIP: 0033:0x458c29 [ 54.863309] RSP: 002b:00007fb1ebaa9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 54.870993] RAX: ffffffffffffffda RBX: 00007fb1ebaa9c90 RCX: 0000000000458c29 [ 54.878239] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 54.885567] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 54.892826] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1ebaaa6d4 [ 54.900075] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 54.907705] CPU: 1 PID: 7129 Comm: syz-executor.1 Not tainted 4.14.177-syzkaller #0 [ 54.915496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 54.924840] Call Trace: [ 54.927418] dump_stack+0xf7/0x13b [ 54.930952] should_fail.cold.3+0x105/0x14b [ 54.933234] FAULT_INJECTION: forcing a failure. [ 54.933234] name failslab, interval 1, probability 0, space 0, times 0 [ 54.935268] should_failslab+0xba/0xf0 [ 54.950807] __kmalloc+0x70/0x7b0 [ 54.954235] ? __tty_buffer_request_room+0x191/0x620 [ 54.959313] __tty_buffer_request_room+0x191/0x620 [ 54.964233] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 54.970357] pty_write+0xf3/0x200 [ 54.973793] tty_put_char+0xff/0x120 [ 54.977481] ? dev_match_devt+0x90/0x90 [ 54.981441] ? pty_write_room+0x8f/0xb0 [ 54.985392] __process_echoes+0x203/0x790 [ 54.989516] n_tty_receive_buf_common+0x75b/0x29a0 [ 54.994503] ? ldsem_wake+0x40/0x40 [ 54.998108] n_tty_receive_buf+0xc/0xe [ 55.001969] tty_ioctl+0x630/0x1270 [ 55.005591] ? avc_ss_reset+0xe0/0xe0 [ 55.009375] ? tty_vhangup+0x20/0x20 [ 55.013063] ? get_pid_task+0x8b/0x100 [ 55.016924] ? proc_fail_nth_write+0xd6/0x160 [ 55.021390] ? proc_cwd_link+0x1a0/0x1a0 [ 55.025425] ? __fdget_pos+0x8e/0xc0 [ 55.029116] ? trace_hardirqs_on+0x10/0x10 [ 55.033336] ? __vfs_write+0xde/0x850 [ 55.037113] ? __might_sleep+0x93/0xb0 [ 55.040990] do_vfs_ioctl+0x183/0xfc0 [ 55.045722] ? __fget+0x1ad/0x2f0 [ 55.049157] ? ioctl_preallocate+0x1a0/0x1a0 [ 55.053550] ? __fget+0x1ca/0x2f0 [ 55.056988] ? security_file_ioctl+0x70/0xa0 [ 55.061370] ? selinux_file_mprotect+0x630/0x630 [ 55.066704] ? security_file_ioctl+0x70/0xa0 [ 55.071086] SyS_ioctl+0x74/0x80 [ 55.074862] ? do_vfs_ioctl+0xfc0/0xfc0 [ 55.078810] do_syscall_64+0x1c9/0x5b0 [ 55.082689] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.087519] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.092767] RIP: 0033:0x458c29 [ 55.095931] RSP: 002b:00007efcda26ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.103613] RAX: ffffffffffffffda RBX: 00007efcda26ec90 RCX: 0000000000458c29 [ 55.110858] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.118192] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.125527] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcda26f6d4 [ 55.132771] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 55.140028] CPU: 0 PID: 7131 Comm: syz-executor.4 Not tainted 4.14.177-syzkaller #0 [ 55.147821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.157168] Call Trace: [ 55.157290] FAULT_INJECTION: forcing a failure. [ 55.157290] name failslab, interval 1, probability 0, space 0, times 0 [ 55.159742] dump_stack+0xf7/0x13b [ 55.174589] should_fail.cold.3+0x105/0x14b [ 55.178888] should_failslab+0xba/0xf0 [ 55.182843] __kmalloc+0x70/0x7b0 [ 55.186286] ? __tty_buffer_request_room+0x191/0x620 [ 55.191366] __tty_buffer_request_room+0x191/0x620 [ 55.196271] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 55.201802] pty_write+0xf3/0x200 [ 55.205846] tty_put_char+0xff/0x120 [ 55.209559] ? dev_match_devt+0x90/0x90 [ 55.213610] ? pty_write_room+0x8f/0xb0 [ 55.217576] __process_echoes+0x203/0x790 [ 55.221718] n_tty_receive_buf_common+0x75b/0x29a0 [ 55.226622] ? ldsem_wake+0x40/0x40 [ 55.230228] n_tty_receive_buf+0xc/0xe [ 55.234090] tty_ioctl+0x630/0x1270 [ 55.237706] ? avc_ss_reset+0xe0/0xe0 [ 55.241495] ? tty_vhangup+0x20/0x20 [ 55.245185] ? get_pid_task+0x8b/0x100 [ 55.249047] ? proc_fail_nth_write+0xd6/0x160 [ 55.253515] ? proc_cwd_link+0x1a0/0x1a0 [ 55.257559] ? __fdget_pos+0x8e/0xc0 [ 55.261246] ? trace_hardirqs_on+0x10/0x10 [ 55.265452] ? __vfs_write+0xde/0x850 [ 55.269226] ? __might_sleep+0x93/0xb0 [ 55.273111] do_vfs_ioctl+0x183/0xfc0 [ 55.276885] ? __fget+0x1ad/0x2f0 [ 55.280313] ? ioctl_preallocate+0x1a0/0x1a0 [ 55.285751] ? __fget+0x1ca/0x2f0 [ 55.289186] ? security_file_ioctl+0x70/0xa0 [ 55.293565] ? selinux_file_mprotect+0x630/0x630 [ 55.298292] ? security_file_ioctl+0x70/0xa0 [ 55.302673] SyS_ioctl+0x74/0x80 [ 55.307400] ? do_vfs_ioctl+0xfc0/0xfc0 [ 55.312577] do_syscall_64+0x1c9/0x5b0 [ 55.316440] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.321277] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.326440] RIP: 0033:0x458c29 [ 55.329615] RSP: 002b:00007fc9d59c2c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.337295] RAX: ffffffffffffffda RBX: 00007fc9d59c2c90 RCX: 0000000000458c29 [ 55.345753] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.352995] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.360239] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9d59c36d4 [ 55.367483] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 55.374736] CPU: 1 PID: 7130 Comm: syz-executor.2 Not tainted 4.14.177-syzkaller #0 [ 55.382553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.391921] Call Trace: [ 55.394501] dump_stack+0xf7/0x13b [ 55.398037] should_fail.cold.3+0x105/0x14b [ 55.402354] should_failslab+0xba/0xf0 [ 55.406268] __kmalloc+0x70/0x7b0 [ 55.409718] ? __tty_buffer_request_room+0x191/0x620 [ 55.414809] __tty_buffer_request_room+0x191/0x620 [ 55.419738] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 55.421403] FAULT_INJECTION: forcing a failure. [ 55.421403] name failslab, interval 1, probability 0, space 0, times 0 [ 55.425272] pty_write+0xf3/0x200 [ 55.439869] tty_put_char+0xff/0x120 [ 55.443555] ? dev_match_devt+0x90/0x90 [ 55.447505] ? pty_write_room+0x8f/0xb0 [ 55.451449] __process_echoes+0x203/0x790 [ 55.455570] n_tty_receive_buf_common+0x75b/0x29a0 [ 55.460558] ? ldsem_wake+0x40/0x40 [ 55.464162] n_tty_receive_buf+0xc/0xe [ 55.468022] tty_ioctl+0x630/0x1270 [ 55.471621] ? avc_ss_reset+0xe0/0xe0 [ 55.475394] ? tty_vhangup+0x20/0x20 [ 55.479094] ? get_pid_task+0x8b/0x100 [ 55.482956] ? proc_fail_nth_write+0xd6/0x160 [ 55.487423] ? proc_cwd_link+0x1a0/0x1a0 [ 55.491455] ? __fdget_pos+0x8e/0xc0 [ 55.495142] ? trace_hardirqs_on+0x10/0x10 [ 55.499358] ? __vfs_write+0xde/0x850 [ 55.503133] ? __might_sleep+0x93/0xb0 [ 55.506993] do_vfs_ioctl+0x183/0xfc0 [ 55.510766] ? __fget+0x1ad/0x2f0 [ 55.514191] ? ioctl_preallocate+0x1a0/0x1a0 [ 55.518571] ? __fget+0x1ca/0x2f0 [ 55.521998] ? security_file_ioctl+0x70/0xa0 [ 55.526399] ? selinux_file_mprotect+0x630/0x630 [ 55.531145] ? security_file_ioctl+0x70/0xa0 [ 55.535527] SyS_ioctl+0x74/0x80 [ 55.538866] ? do_vfs_ioctl+0xfc0/0xfc0 [ 55.543767] do_syscall_64+0x1c9/0x5b0 [ 55.547626] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.552441] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.557604] RIP: 0033:0x458c29 [ 55.560766] RSP: 002b:00007fb34725ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.569491] RAX: ffffffffffffffda RBX: 00007fb34725ec90 RCX: 0000000000458c29 [ 55.576734] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.583982] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.591226] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb34725f6d4 [ 55.598475] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 55.605730] CPU: 0 PID: 7135 Comm: syz-executor.3 Not tainted 4.14.177-syzkaller #0 [ 55.613517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.622860] Call Trace: [ 55.625447] dump_stack+0xf7/0x13b [ 55.628988] should_fail.cold.3+0x105/0x14b [ 55.633307] should_failslab+0xba/0xf0 [ 55.637186] __kmalloc+0x70/0x7b0 [ 55.640631] ? __tty_buffer_request_room+0x191/0x620 [ 55.645726] __tty_buffer_request_room+0x191/0x620 [ 55.650653] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 55.656187] pty_write+0xf3/0x200 [ 55.659632] tty_put_char+0xff/0x120 [ 55.663426] ? dev_match_devt+0x90/0x90 [ 55.667392] ? pty_write_room+0x8f/0xb0 [ 55.671363] __process_echoes+0x203/0x790 [ 55.675513] n_tty_receive_buf_common+0x75b/0x29a0 [ 55.680530] ? ldsem_wake+0x40/0x40 [ 55.684156] n_tty_receive_buf+0xc/0xe [ 55.688034] tty_ioctl+0x630/0x1270 [ 55.691650] ? avc_ss_reset+0xe0/0xe0 [ 55.695451] ? tty_vhangup+0x20/0x20 [ 55.699415] ? get_pid_task+0x8b/0x100 [ 55.703556] ? proc_fail_nth_write+0xd6/0x160 [ 55.708132] ? proc_cwd_link+0x1a0/0x1a0 [ 55.712185] ? __fdget_pos+0x8e/0xc0 [ 55.715994] ? trace_hardirqs_on+0x10/0x10 [ 55.717721] FAULT_INJECTION: forcing a failure. [ 55.717721] name failslab, interval 1, probability 0, space 0, times 0 [ 55.720215] ? __vfs_write+0xde/0x850 [ 55.735678] ? __might_sleep+0x93/0xb0 [ 55.739549] do_vfs_ioctl+0x183/0xfc0 [ 55.743335] ? __fget+0x1ad/0x2f0 [ 55.746766] ? ioctl_preallocate+0x1a0/0x1a0 [ 55.751159] ? __fget+0x1ca/0x2f0 [ 55.754605] ? security_file_ioctl+0x70/0xa0 [ 55.758987] ? selinux_file_mprotect+0x630/0x630 [ 55.763716] ? security_file_ioctl+0x70/0xa0 [ 55.768113] SyS_ioctl+0x74/0x80 [ 55.771457] ? do_vfs_ioctl+0xfc0/0xfc0 [ 55.775421] do_syscall_64+0x1c9/0x5b0 [ 55.779315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 55.784314] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 55.789479] RIP: 0033:0x458c29 [ 55.792662] RSP: 002b:00007fcee3347c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 55.800342] RAX: ffffffffffffffda RBX: 00007fcee3347c90 RCX: 0000000000458c29 [ 55.807590] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 55.814852] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 55.822098] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcee33486d4 [ 55.829788] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 55.837055] CPU: 1 PID: 7149 Comm: syz-executor.1 Not tainted 4.14.177-syzkaller #0 [ 55.845378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.854718] Call Trace: [ 55.857306] dump_stack+0xf7/0x13b [ 55.860846] should_fail.cold.3+0x105/0x14b [ 55.863076] FAULT_INJECTION: forcing a failure. [ 55.863076] name failslab, interval 1, probability 0, space 0, times 0 [ 55.865167] should_failslab+0xba/0xf0 [ 55.880188] __kmalloc+0x70/0x7b0 [ 55.883632] ? __tty_buffer_request_room+0x191/0x620 [ 55.888709] __tty_buffer_request_room+0x191/0x620 [ 55.893789] tty_insert_flip_string_fixed_flag+0x77/0x1a0 [ 55.899301] pty_write+0xf3/0x200 [ 55.902727] tty_put_char+0xff/0x120 [ 55.906416] ? dev_match_devt+0x90/0x90 [ 55.910383] ? pty_write_room+0x8f/0xb0 [ 55.914334] __process_echoes+0x203/0x790 [ 55.918461] n_tty_receive_buf_common+0x75b/0x29a0 [ 55.923393] ? ldsem_wake+0x40/0x40 [ 55.927179] n_tty_receive_buf+0xc/0xe [ 55.931040] tty_ioctl+0x630/0x1270 [ 55.934637] ? avc_ss_reset+0xe0/0xe0 [ 55.938410] ? tty_vhangup+0x20/0x20 [ 55.942096] ? get_pid_task+0x8b/0x100 [ 55.945956] ? proc_fail_nth_write+0xd6/0x160 [ 55.951208] ? proc_cwd_link+0x1a0/0x1a0 [ 55.955596] ? __fdget_pos+0x8e/0xc0 [ 55.959284] ? trace_hardirqs_on+0x10/0x10 [ 55.963490] ? __vfs_write+0xde/0x850 [ 55.967272] ? __might_sleep+0x93/0xb0 [ 55.971135] do_vfs_ioctl+0x183/0xfc0 [ 55.974909] ? __fget+0x1ad/0x2f0 [ 55.978337] ? ioctl_preallocate+0x1a0/0x1a0 [ 55.982733] ? __fget+0x1ca/0x2f0 [ 55.986173] ? security_file_ioctl+0x70/0xa0 [ 55.990568] ? selinux_file_mprotect+0x630/0x630 [ 55.995304] ? security_file_ioctl+0x70/0xa0 [ 55.999685] SyS_ioctl+0x74/0x80 [ 56.003026] ? do_vfs_ioctl+0xfc0/0xfc0 [ 56.006971] do_syscall_64+0x1c9/0x5b0 [ 56.010830] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 56.015646] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 56.020810] RIP: 0033:0x458c29 [ 56.023987] RSP: 002b:00007efcda26ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 56.032625] RAX: ffffffffffffffda RBX: 00007efcda26ec90 RCX: 0000000000458c29 [ 56.039879] RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000004 [ 56.047123] RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 [ 56.054366] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efcda26f6d4 [ 56.061608] R13: 00000000004c2ddb R14: 00000000004d5ff0 R15: 0000000000000005 [ 56.068862] CPU: 0 PID: 7152 Comm: syz-executor.2 Not tainted 4.14.177-syzkaller #0 [ 56.076735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 56.086610] Call Trace: [ 56.089364] dump_stack+0xf7/0x13b [ 56.092899] should_fail.cold.3+0x105/0x14b [ 56.095252] FAULT_INJECTION: forcing a failure.