[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.72' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.382923] FAULT_INJECTION: forcing a failure. [ 34.382923] name failslab, interval 1, probability 0, space 0, times 1 [ 34.394595] CPU: 0 PID: 7997 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 34.402483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 34.411820] Call Trace: [ 34.414392] dump_stack+0x1b2/0x281 [ 34.418096] should_fail.cold+0x10a/0x149 [ 34.422220] should_failslab+0xd6/0x130 [ 34.426179] __kmalloc+0x2c1/0x400 [ 34.429694] ? __kfifo_alloc+0xdc/0x240 [ 34.433642] __kfifo_alloc+0xdc/0x240 [ 34.437426] gsm_dlci_alloc+0xd4/0x460 [ 34.441553] gsm_activate_mux+0x22e/0x2e0 [ 34.445684] gsmld_open+0x4ed/0x7b0 [ 34.449285] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 34.453587] tty_ldisc_open+0x6c/0xb0 [ 34.457363] tty_set_ldisc+0x287/0x5d0 [ 34.461229] tty_ioctl+0xa2a/0x1430 [ 34.464829] ? tty_fasync+0x2c0/0x2c0 [ 34.468606] ? proc_fail_nth_write+0x7b/0x180 [ 34.473074] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 34.477981] ? fsnotify+0x974/0x11b0 [ 34.481672] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 34.486572] ? debug_check_no_obj_freed+0x2c0/0x680 [ 34.491573] ? tty_fasync+0x2c0/0x2c0 [ 34.495350] do_vfs_ioctl+0x75a/0xff0 [ 34.499131] ? ioctl_preallocate+0x1a0/0x1a0 [ 34.503514] ? vfs_write+0x319/0x4d0 [ 34.507212] ? SyS_write+0x14d/0x210 [ 34.510909] ? security_file_ioctl+0x83/0xb0 [ 34.515388] SyS_ioctl+0x7f/0xb0 [ 34.518732] ? do_vfs_ioctl+0xff0/0xff0 [ 34.522679] do_syscall_64+0x1d5/0x640 [ 34.526545] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 34.531707] RIP: 0033:0x7f2bc6a73099 [ 34.535396] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.543079] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 34.550324] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 34.557567] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 34.564816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 34.572071] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 34.591841] FAULT_INJECTION: forcing a failure. [ 34.591841] name failslab, interval 1, probability 0, space 0, times 0 [ 34.603255] CPU: 0 PID: 8002 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 34.611120] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 34.620454] Call Trace: [ 34.623030] dump_stack+0x1b2/0x281 [ 34.626642] should_fail.cold+0x10a/0x149 [ 34.630966] should_failslab+0xd6/0x130 [ 34.634922] __kmalloc+0x2c1/0x400 [ 34.638440] ? __kfifo_alloc+0xdc/0x240 [ 34.642397] __kfifo_alloc+0xdc/0x240 [ 34.646176] gsm_dlci_alloc+0xd4/0x460 [ 34.650042] gsm_activate_mux+0x22e/0x2e0 [ 34.654166] gsmld_open+0x4ed/0x7b0 [ 34.657777] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 34.661992] tty_ldisc_open+0x6c/0xb0 [ 34.665771] tty_set_ldisc+0x287/0x5d0 [ 34.669635] tty_ioctl+0xa2a/0x1430 [ 34.673237] ? tty_fasync+0x2c0/0x2c0 [ 34.677021] ? proc_fail_nth_write+0x7b/0x180 [ 34.681497] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 34.686410] ? fsnotify+0x974/0x11b0 [ 34.690102] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 34.695010] ? debug_check_no_obj_freed+0x2c0/0x680 [ 34.700013] ? tty_fasync+0x2c0/0x2c0 [ 34.703791] do_vfs_ioctl+0x75a/0xff0 [ 34.707580] ? ioctl_preallocate+0x1a0/0x1a0 [ 34.711982] ? vfs_write+0x319/0x4d0 [ 34.715676] ? SyS_write+0x14d/0x210 [ 34.719365] ? security_file_ioctl+0x83/0xb0 [ 34.723754] SyS_ioctl+0x7f/0xb0 [ 34.727097] ? do_vfs_ioctl+0xff0/0xff0 [ 34.731049] do_syscall_64+0x1d5/0x640 [ 34.734916] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 34.740081] RIP: 0033:0x7f2bc6a73099 [ 34.743766] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.751451] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 34.758697] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 34.765940] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 34.773183] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 34.780427] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 34.800235] FAULT_INJECTION: forcing a failure. [ 34.800235] name failslab, interval 1, probability 0, space 0, times 0 [ 34.811538] CPU: 1 PID: 8003 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 34.819399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 34.828730] Call Trace: [ 34.831300] dump_stack+0x1b2/0x281 [ 34.834906] should_fail.cold+0x10a/0x149 [ 34.839054] should_failslab+0xd6/0x130 [ 34.843003] __kmalloc+0x2c1/0x400 [ 34.846694] ? __kfifo_alloc+0xdc/0x240 [ 34.850648] __kfifo_alloc+0xdc/0x240 [ 34.854426] gsm_dlci_alloc+0xd4/0x460 [ 34.858291] gsm_activate_mux+0x22e/0x2e0 [ 34.862433] gsmld_open+0x4ed/0x7b0 [ 34.866072] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 34.870289] tty_ldisc_open+0x6c/0xb0 [ 34.874254] tty_set_ldisc+0x287/0x5d0 [ 34.878125] tty_ioctl+0xa2a/0x1430 [ 34.881729] ? tty_fasync+0x2c0/0x2c0 [ 34.885505] ? proc_fail_nth_write+0x7b/0x180 [ 34.889974] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 34.894891] ? fsnotify+0x974/0x11b0 [ 34.898592] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 34.903497] ? debug_check_no_obj_freed+0x2c0/0x680 [ 34.908490] ? tty_fasync+0x2c0/0x2c0 [ 34.912278] do_vfs_ioctl+0x75a/0xff0 [ 34.916056] ? ioctl_preallocate+0x1a0/0x1a0 [ 34.920443] ? vfs_write+0x319/0x4d0 [ 34.925637] ? SyS_write+0x14d/0x210 [ 34.929334] ? security_file_ioctl+0x83/0xb0 [ 34.933822] SyS_ioctl+0x7f/0xb0 [ 34.937171] ? do_vfs_ioctl+0xff0/0xff0 [ 34.941133] do_syscall_64+0x1d5/0x640 [ 34.945002] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 34.950216] RIP: 0033:0x7f2bc6a73099 [ 34.953913] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.961602] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 34.968858] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 34.976109] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 34.983351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 34.990600] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.003371] FAULT_INJECTION: forcing a failure. [ 35.003371] name failslab, interval 1, probability 0, space 0, times 0 [ 35.014644] CPU: 1 PID: 8004 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 35.022528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.031860] Call Trace: [ 35.034429] dump_stack+0x1b2/0x281 [ 35.038034] should_fail.cold+0x10a/0x149 [ 35.042159] should_failslab+0xd6/0x130 [ 35.046115] __kmalloc+0x2c1/0x400 [ 35.049633] ? __kfifo_alloc+0xdc/0x240 [ 35.053585] __kfifo_alloc+0xdc/0x240 [ 35.057362] gsm_dlci_alloc+0xd4/0x460 [ 35.061226] gsm_activate_mux+0x22e/0x2e0 [ 35.065347] gsmld_open+0x4ed/0x7b0 [ 35.068952] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 35.073162] tty_ldisc_open+0x6c/0xb0 [ 35.077042] tty_set_ldisc+0x287/0x5d0 [ 35.080907] tty_ioctl+0xa2a/0x1430 [ 35.084510] ? tty_fasync+0x2c0/0x2c0 [ 35.088287] ? proc_fail_nth_write+0x7b/0x180 [ 35.092759] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.097665] ? fsnotify+0x974/0x11b0 [ 35.101355] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.106257] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.111252] ? tty_fasync+0x2c0/0x2c0 [ 35.115094] do_vfs_ioctl+0x75a/0xff0 [ 35.118882] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.123270] ? vfs_write+0x319/0x4d0 [ 35.126963] ? SyS_write+0x14d/0x210 [ 35.130658] ? security_file_ioctl+0x83/0xb0 [ 35.135047] SyS_ioctl+0x7f/0xb0 [ 35.138391] ? do_vfs_ioctl+0xff0/0xff0 [ 35.142341] do_syscall_64+0x1d5/0x640 [ 35.146216] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 35.151383] RIP: 0033:0x7f2bc6a73099 [ 35.155101] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.162787] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 35.170030] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.177284] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 35.184548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.191891] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.203882] FAULT_INJECTION: forcing a failure. [ 35.203882] name failslab, interval 1, probability 0, space 0, times 0 [ 35.215270] CPU: 0 PID: 8005 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 35.215289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.215292] Call Trace: [ 35.215304] dump_stack+0x1b2/0x281 [ 35.215317] should_fail.cold+0x10a/0x149 [ 35.215328] should_failslab+0xd6/0x130 [ 35.215337] __kmalloc+0x2c1/0x400 [ 35.215345] ? __kfifo_alloc+0xdc/0x240 [ 35.215355] __kfifo_alloc+0xdc/0x240 [ 35.258088] gsm_dlci_alloc+0xd4/0x460 [ 35.261951] gsm_activate_mux+0x22e/0x2e0 [ 35.266077] gsmld_open+0x4ed/0x7b0 [ 35.270026] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 35.274235] tty_ldisc_open+0x6c/0xb0 [ 35.278013] tty_set_ldisc+0x287/0x5d0 [ 35.281879] tty_ioctl+0xa2a/0x1430 [ 35.285515] ? tty_fasync+0x2c0/0x2c0 [ 35.289289] ? proc_fail_nth_write+0x7b/0x180 [ 35.293762] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.298672] ? fsnotify+0x974/0x11b0 [ 35.302359] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.307261] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.312252] ? tty_fasync+0x2c0/0x2c0 [ 35.316064] do_vfs_ioctl+0x75a/0xff0 [ 35.319843] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.324234] ? vfs_write+0x319/0x4d0 [ 35.327923] ? SyS_write+0x14d/0x210 [ 35.331613] ? security_file_ioctl+0x83/0xb0 [ 35.336186] SyS_ioctl+0x7f/0xb0 [ 35.339539] ? do_vfs_ioctl+0xff0/0xff0 [ 35.343503] do_syscall_64+0x1d5/0x640 [ 35.347380] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 35.352997] RIP: 0033:0x7f2bc6a73099 [ 35.356686] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.364369] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 35.371620] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.378876] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 35.386151] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.393486] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.405813] FAULT_INJECTION: forcing a failure. [ 35.405813] name failslab, interval 1, probability 0, space 0, times 0 [ 35.417387] CPU: 0 PID: 8006 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 35.425266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.434613] Call Trace: [ 35.437204] dump_stack+0x1b2/0x281 [ 35.440808] should_fail.cold+0x10a/0x149 [ 35.444935] should_failslab+0xd6/0x130 [ 35.448886] __kmalloc+0x2c1/0x400 [ 35.452400] ? __kfifo_alloc+0xdc/0x240 [ 35.456354] __kfifo_alloc+0xdc/0x240 [ 35.460139] gsm_dlci_alloc+0xd4/0x460 [ 35.464008] gsm_activate_mux+0x22e/0x2e0 [ 35.468131] gsmld_open+0x4ed/0x7b0 [ 35.471735] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 35.475969] tty_ldisc_open+0x6c/0xb0 [ 35.479836] tty_set_ldisc+0x287/0x5d0 [ 35.483708] tty_ioctl+0xa2a/0x1430 [ 35.487317] ? tty_fasync+0x2c0/0x2c0 [ 35.491097] ? proc_fail_nth_write+0x7b/0x180 [ 35.495579] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.500494] ? fsnotify+0x974/0x11b0 [ 35.504542] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.509452] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.514451] ? tty_fasync+0x2c0/0x2c0 [ 35.518230] do_vfs_ioctl+0x75a/0xff0 [ 35.522009] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.526400] ? vfs_write+0x319/0x4d0 [ 35.530093] ? SyS_write+0x14d/0x210 [ 35.533784] ? security_file_ioctl+0x83/0xb0 [ 35.538168] SyS_ioctl+0x7f/0xb0 [ 35.541510] ? do_vfs_ioctl+0xff0/0xff0 [ 35.545462] do_syscall_64+0x1d5/0x640 [ 35.549515] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 35.554799] RIP: 0033:0x7f2bc6a73099 [ 35.558579] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.566272] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 35.573523] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.580777] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 35.588033] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.595295] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.606864] FAULT_INJECTION: forcing a failure. [ 35.606864] name failslab, interval 1, probability 0, space 0, times 0 [ 35.618351] CPU: 0 PID: 8009 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 35.626226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.635558] Call Trace: [ 35.638138] dump_stack+0x1b2/0x281 [ 35.641755] should_fail.cold+0x10a/0x149 [ 35.645898] should_failslab+0xd6/0x130 [ 35.649862] __kmalloc+0x2c1/0x400 [ 35.653393] ? __kfifo_alloc+0xdc/0x240 [ 35.657352] __kfifo_alloc+0xdc/0x240 [ 35.661147] gsm_dlci_alloc+0xd4/0x460 [ 35.665028] gsm_activate_mux+0x22e/0x2e0 [ 35.669158] gsmld_open+0x4ed/0x7b0 [ 35.672764] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 35.676978] tty_ldisc_open+0x6c/0xb0 [ 35.680760] tty_set_ldisc+0x287/0x5d0 [ 35.684628] tty_ioctl+0xa2a/0x1430 [ 35.688243] ? tty_fasync+0x2c0/0x2c0 [ 35.692025] ? proc_fail_nth_write+0x7b/0x180 [ 35.696496] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.701404] ? fsnotify+0x974/0x11b0 [ 35.705095] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.709998] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.714994] ? tty_fasync+0x2c0/0x2c0 [ 35.718770] do_vfs_ioctl+0x75a/0xff0 [ 35.722550] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.726937] ? vfs_write+0x319/0x4d0 [ 35.730626] ? SyS_write+0x14d/0x210 [ 35.734316] ? security_file_ioctl+0x83/0xb0 [ 35.738702] SyS_ioctl+0x7f/0xb0 [ 35.742045] ? do_vfs_ioctl+0xff0/0xff0 [ 35.745997] do_syscall_64+0x1d5/0x640 [ 35.749864] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 35.755039] RIP: 0033:0x7f2bc6a73099 [ 35.758729] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.766419] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 35.773669] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.780925] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 35.788173] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.795419] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 35.807222] FAULT_INJECTION: forcing a failure. [ 35.807222] name failslab, interval 1, probability 0, space 0, times 0 [ 35.818501] CPU: 0 PID: 8010 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 35.826429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 35.835771] Call Trace: [ 35.838342] dump_stack+0x1b2/0x281 [ 35.841951] should_fail.cold+0x10a/0x149 [ 35.846081] should_failslab+0xd6/0x130 [ 35.850036] __kmalloc+0x2c1/0x400 [ 35.853559] ? __kfifo_alloc+0xdc/0x240 [ 35.857509] __kfifo_alloc+0xdc/0x240 [ 35.861297] gsm_dlci_alloc+0xd4/0x460 [ 35.865166] gsm_activate_mux+0x22e/0x2e0 [ 35.869291] gsmld_open+0x4ed/0x7b0 [ 35.872906] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 35.877123] tty_ldisc_open+0x6c/0xb0 [ 35.880903] tty_set_ldisc+0x287/0x5d0 [ 35.884771] tty_ioctl+0xa2a/0x1430 [ 35.888377] ? tty_fasync+0x2c0/0x2c0 [ 35.892164] ? proc_fail_nth_write+0x7b/0x180 [ 35.896637] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.901543] ? fsnotify+0x974/0x11b0 [ 35.905233] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 35.910140] ? debug_check_no_obj_freed+0x2c0/0x680 [ 35.915135] ? tty_fasync+0x2c0/0x2c0 [ 35.918914] do_vfs_ioctl+0x75a/0xff0 [ 35.922692] ? ioctl_preallocate+0x1a0/0x1a0 [ 35.927079] ? vfs_write+0x319/0x4d0 [ 35.930777] ? SyS_write+0x14d/0x210 [ 35.934471] ? security_file_ioctl+0x83/0xb0 [ 35.938855] SyS_ioctl+0x7f/0xb0 [ 35.942205] ? do_vfs_ioctl+0xff0/0xff0 [ 35.946170] do_syscall_64+0x1d5/0x640 [ 35.950037] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.955204] RIP: 0033:0x7f2bc6a73099 executing program [ 35.958893] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.966587] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 35.973926] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.981176] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 35.988423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.995675] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.007935] FAULT_INJECTION: forcing a failure. [ 36.007935] name failslab, interval 1, probability 0, space 0, times 0 [ 36.019218] CPU: 0 PID: 8011 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 36.027087] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.036426] Call Trace: [ 36.038997] dump_stack+0x1b2/0x281 [ 36.042607] should_fail.cold+0x10a/0x149 [ 36.046741] should_failslab+0xd6/0x130 [ 36.050702] __kmalloc+0x2c1/0x400 [ 36.054221] ? __kfifo_alloc+0xdc/0x240 [ 36.058174] __kfifo_alloc+0xdc/0x240 [ 36.061955] gsm_dlci_alloc+0xd4/0x460 [ 36.065819] gsm_activate_mux+0x22e/0x2e0 [ 36.069943] gsmld_open+0x4ed/0x7b0 [ 36.073553] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 36.077948] tty_ldisc_open+0x6c/0xb0 [ 36.081731] tty_set_ldisc+0x287/0x5d0 [ 36.085610] tty_ioctl+0xa2a/0x1430 [ 36.089219] ? tty_fasync+0x2c0/0x2c0 [ 36.093000] ? proc_fail_nth_write+0x7b/0x180 [ 36.097474] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.102394] ? fsnotify+0x974/0x11b0 [ 36.106098] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.111011] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.116013] ? tty_fasync+0x2c0/0x2c0 [ 36.119801] do_vfs_ioctl+0x75a/0xff0 [ 36.123588] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.127981] ? vfs_write+0x319/0x4d0 [ 36.131670] ? SyS_write+0x14d/0x210 [ 36.135360] ? security_file_ioctl+0x83/0xb0 [ 36.139744] SyS_ioctl+0x7f/0xb0 [ 36.143085] ? do_vfs_ioctl+0xff0/0xff0 [ 36.147037] do_syscall_64+0x1d5/0x640 [ 36.150906] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.156074] RIP: 0033:0x7f2bc6a73099 executing program [ 36.159784] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.167474] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 36.174744] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.181989] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 36.189235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.196484] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.208014] FAULT_INJECTION: forcing a failure. [ 36.208014] name failslab, interval 1, probability 0, space 0, times 0 [ 36.219449] CPU: 0 PID: 8012 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 36.227315] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.236643] Call Trace: [ 36.239210] dump_stack+0x1b2/0x281 [ 36.242828] should_fail.cold+0x10a/0x149 [ 36.246961] should_failslab+0xd6/0x130 [ 36.250912] __kmalloc+0x2c1/0x400 [ 36.254548] ? __kfifo_alloc+0xdc/0x240 [ 36.258504] __kfifo_alloc+0xdc/0x240 [ 36.262281] gsm_dlci_alloc+0xd4/0x460 [ 36.266145] gsm_activate_mux+0x22e/0x2e0 [ 36.270272] gsmld_open+0x4ed/0x7b0 [ 36.273878] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 36.278086] tty_ldisc_open+0x6c/0xb0 [ 36.281860] tty_set_ldisc+0x287/0x5d0 [ 36.285726] tty_ioctl+0xa2a/0x1430 [ 36.289327] ? tty_fasync+0x2c0/0x2c0 [ 36.293109] ? proc_fail_nth_write+0x7b/0x180 [ 36.297585] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.302497] ? fsnotify+0x974/0x11b0 [ 36.306183] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.311093] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.316085] ? tty_fasync+0x2c0/0x2c0 [ 36.319858] do_vfs_ioctl+0x75a/0xff0 [ 36.323642] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.328029] ? vfs_write+0x319/0x4d0 [ 36.331719] ? SyS_write+0x14d/0x210 [ 36.335407] ? security_file_ioctl+0x83/0xb0 [ 36.339789] SyS_ioctl+0x7f/0xb0 [ 36.343131] ? do_vfs_ioctl+0xff0/0xff0 [ 36.347169] do_syscall_64+0x1d5/0x640 [ 36.351036] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.356202] RIP: 0033:0x7f2bc6a73099 executing program [ 36.359885] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.367654] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 36.374900] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.382147] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 36.389495] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.396745] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.408546] FAULT_INJECTION: forcing a failure. [ 36.408546] name failslab, interval 1, probability 0, space 0, times 0 [ 36.419855] CPU: 0 PID: 8013 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 36.427721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.437163] Call Trace: [ 36.439740] dump_stack+0x1b2/0x281 [ 36.443351] should_fail.cold+0x10a/0x149 [ 36.447481] should_failslab+0xd6/0x130 [ 36.451432] __kmalloc+0x2c1/0x400 [ 36.454950] ? __kfifo_alloc+0xdc/0x240 [ 36.458899] __kfifo_alloc+0xdc/0x240 [ 36.462687] gsm_dlci_alloc+0xd4/0x460 [ 36.466553] gsm_activate_mux+0x22e/0x2e0 [ 36.470674] gsmld_open+0x4ed/0x7b0 [ 36.474273] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 36.478485] tty_ldisc_open+0x6c/0xb0 [ 36.482261] tty_set_ldisc+0x287/0x5d0 [ 36.486130] tty_ioctl+0xa2a/0x1430 [ 36.489733] ? tty_fasync+0x2c0/0x2c0 [ 36.493523] ? proc_fail_nth_write+0x7b/0x180 [ 36.498000] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.502916] ? fsnotify+0x974/0x11b0 [ 36.506612] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.511531] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.516538] ? tty_fasync+0x2c0/0x2c0 [ 36.520327] do_vfs_ioctl+0x75a/0xff0 [ 36.524123] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.528523] ? vfs_write+0x319/0x4d0 [ 36.532214] ? SyS_write+0x14d/0x210 [ 36.535903] ? security_file_ioctl+0x83/0xb0 [ 36.540285] SyS_ioctl+0x7f/0xb0 [ 36.543725] ? do_vfs_ioctl+0xff0/0xff0 [ 36.547683] do_syscall_64+0x1d5/0x640 [ 36.551551] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.556717] RIP: 0033:0x7f2bc6a73099 executing program [ 36.560405] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.568194] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 36.575535] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.582788] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 36.590035] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.597280] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.609004] FAULT_INJECTION: forcing a failure. [ 36.609004] name failslab, interval 1, probability 0, space 0, times 0 [ 36.620411] CPU: 0 PID: 8014 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 36.628276] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.637621] Call Trace: [ 36.640457] dump_stack+0x1b2/0x281 [ 36.644073] should_fail.cold+0x10a/0x149 [ 36.648207] should_failslab+0xd6/0x130 [ 36.652258] __kmalloc+0x2c1/0x400 [ 36.655777] ? __kfifo_alloc+0xdc/0x240 [ 36.659732] __kfifo_alloc+0xdc/0x240 [ 36.663682] gsm_dlci_alloc+0xd4/0x460 [ 36.667542] gsm_activate_mux+0x22e/0x2e0 [ 36.671668] gsmld_open+0x4ed/0x7b0 [ 36.675287] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 36.679503] tty_ldisc_open+0x6c/0xb0 [ 36.683364] tty_set_ldisc+0x287/0x5d0 [ 36.687237] tty_ioctl+0xa2a/0x1430 [ 36.690852] ? tty_fasync+0x2c0/0x2c0 [ 36.694628] ? proc_fail_nth_write+0x7b/0x180 [ 36.699110] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.704017] ? fsnotify+0x974/0x11b0 [ 36.707707] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.712616] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.717636] ? tty_fasync+0x2c0/0x2c0 [ 36.721936] do_vfs_ioctl+0x75a/0xff0 [ 36.725722] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.730132] ? vfs_write+0x319/0x4d0 [ 36.733820] ? SyS_write+0x14d/0x210 [ 36.737519] ? security_file_ioctl+0x83/0xb0 [ 36.741904] SyS_ioctl+0x7f/0xb0 [ 36.745245] ? do_vfs_ioctl+0xff0/0xff0 [ 36.749197] do_syscall_64+0x1d5/0x640 [ 36.753075] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.758246] RIP: 0033:0x7f2bc6a73099 executing program [ 36.761946] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.769636] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 36.776887] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.784146] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 36.791487] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.798748] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.810600] FAULT_INJECTION: forcing a failure. [ 36.810600] name failslab, interval 1, probability 0, space 0, times 0 [ 36.821902] CPU: 0 PID: 8015 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 36.829774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 36.839103] Call Trace: [ 36.841682] dump_stack+0x1b2/0x281 [ 36.845298] should_fail.cold+0x10a/0x149 [ 36.849441] should_failslab+0xd6/0x130 [ 36.853405] __kmalloc+0x2c1/0x400 [ 36.856929] ? __kfifo_alloc+0xdc/0x240 [ 36.860883] __kfifo_alloc+0xdc/0x240 [ 36.864695] gsm_dlci_alloc+0xd4/0x460 [ 36.868566] gsm_activate_mux+0x22e/0x2e0 [ 36.872697] gsmld_open+0x4ed/0x7b0 [ 36.876304] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 36.880519] tty_ldisc_open+0x6c/0xb0 [ 36.884304] tty_set_ldisc+0x287/0x5d0 [ 36.888175] tty_ioctl+0xa2a/0x1430 [ 36.891776] ? tty_fasync+0x2c0/0x2c0 [ 36.895555] ? proc_fail_nth_write+0x7b/0x180 [ 36.900030] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.904944] ? fsnotify+0x974/0x11b0 [ 36.908643] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 36.913550] ? debug_check_no_obj_freed+0x2c0/0x680 [ 36.918631] ? tty_fasync+0x2c0/0x2c0 [ 36.922413] do_vfs_ioctl+0x75a/0xff0 [ 36.926194] ? ioctl_preallocate+0x1a0/0x1a0 [ 36.930583] ? vfs_write+0x319/0x4d0 [ 36.934274] ? SyS_write+0x14d/0x210 [ 36.937983] ? security_file_ioctl+0x83/0xb0 [ 36.942371] SyS_ioctl+0x7f/0xb0 [ 36.945715] ? do_vfs_ioctl+0xff0/0xff0 [ 36.949669] do_syscall_64+0x1d5/0x640 [ 36.953542] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.958710] RIP: 0033:0x7f2bc6a73099 executing program [ 36.962406] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.970319] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 36.978094] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.985355] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 36.992628] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.000059] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.011806] FAULT_INJECTION: forcing a failure. [ 37.011806] name failslab, interval 1, probability 0, space 0, times 0 [ 37.023214] CPU: 0 PID: 8016 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 37.031075] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.040497] Call Trace: [ 37.043073] dump_stack+0x1b2/0x281 [ 37.046681] should_fail.cold+0x10a/0x149 [ 37.050811] should_failslab+0xd6/0x130 [ 37.054765] __kmalloc+0x2c1/0x400 [ 37.058283] ? __kfifo_alloc+0xdc/0x240 [ 37.062233] __kfifo_alloc+0xdc/0x240 [ 37.066101] gsm_dlci_alloc+0xd4/0x460 [ 37.069968] gsm_activate_mux+0x22e/0x2e0 [ 37.074093] gsmld_open+0x4ed/0x7b0 [ 37.077695] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 37.081911] tty_ldisc_open+0x6c/0xb0 [ 37.085696] tty_set_ldisc+0x287/0x5d0 [ 37.089562] tty_ioctl+0xa2a/0x1430 [ 37.093164] ? tty_fasync+0x2c0/0x2c0 [ 37.096942] ? proc_fail_nth_write+0x7b/0x180 [ 37.101424] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.106336] ? fsnotify+0x974/0x11b0 [ 37.110026] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.114933] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.119956] ? tty_fasync+0x2c0/0x2c0 [ 37.123930] do_vfs_ioctl+0x75a/0xff0 [ 37.127978] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.132369] ? vfs_write+0x319/0x4d0 [ 37.136062] ? SyS_write+0x14d/0x210 [ 37.139757] ? security_file_ioctl+0x83/0xb0 [ 37.144155] SyS_ioctl+0x7f/0xb0 [ 37.147513] ? do_vfs_ioctl+0xff0/0xff0 [ 37.151464] do_syscall_64+0x1d5/0x640 [ 37.155339] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.160517] RIP: 0033:0x7f2bc6a73099 executing program [ 37.164293] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.171978] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 37.179228] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.186478] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 37.193752] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.200999] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.212721] FAULT_INJECTION: forcing a failure. [ 37.212721] name failslab, interval 1, probability 0, space 0, times 0 [ 37.224102] CPU: 0 PID: 8017 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 37.231968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.241302] Call Trace: [ 37.243873] dump_stack+0x1b2/0x281 [ 37.247481] should_fail.cold+0x10a/0x149 [ 37.251627] should_failslab+0xd6/0x130 [ 37.255581] __kmalloc+0x2c1/0x400 [ 37.259098] ? __kfifo_alloc+0xdc/0x240 [ 37.263049] __kfifo_alloc+0xdc/0x240 [ 37.266835] gsm_dlci_alloc+0xd4/0x460 [ 37.270730] gsm_activate_mux+0x22e/0x2e0 [ 37.274857] gsmld_open+0x4ed/0x7b0 [ 37.278460] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 37.282671] tty_ldisc_open+0x6c/0xb0 [ 37.286449] tty_set_ldisc+0x287/0x5d0 [ 37.290315] tty_ioctl+0xa2a/0x1430 [ 37.293926] ? tty_fasync+0x2c0/0x2c0 [ 37.297706] ? proc_fail_nth_write+0x7b/0x180 [ 37.302176] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.307084] ? fsnotify+0x974/0x11b0 [ 37.310793] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.315702] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.320702] ? tty_fasync+0x2c0/0x2c0 [ 37.324480] do_vfs_ioctl+0x75a/0xff0 [ 37.328261] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.332739] ? vfs_write+0x319/0x4d0 [ 37.336431] ? SyS_write+0x14d/0x210 [ 37.340124] ? security_file_ioctl+0x83/0xb0 [ 37.344510] SyS_ioctl+0x7f/0xb0 [ 37.347854] ? do_vfs_ioctl+0xff0/0xff0 [ 37.351806] do_syscall_64+0x1d5/0x640 [ 37.355676] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.360844] RIP: 0033:0x7f2bc6a73099 executing program [ 37.364529] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.372213] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 37.379462] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.386708] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 37.393954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.401203] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.413199] FAULT_INJECTION: forcing a failure. [ 37.413199] name failslab, interval 1, probability 0, space 0, times 0 [ 37.424613] CPU: 0 PID: 8018 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 37.432504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.441842] Call Trace: [ 37.444420] dump_stack+0x1b2/0x281 [ 37.448026] should_fail.cold+0x10a/0x149 [ 37.452152] should_failslab+0xd6/0x130 [ 37.456113] __kmalloc+0x2c1/0x400 [ 37.459631] ? __kfifo_alloc+0xdc/0x240 [ 37.463581] __kfifo_alloc+0xdc/0x240 [ 37.467360] gsm_dlci_alloc+0xd4/0x460 [ 37.471256] gsm_activate_mux+0x22e/0x2e0 [ 37.475386] gsmld_open+0x4ed/0x7b0 [ 37.479002] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 37.483215] tty_ldisc_open+0x6c/0xb0 [ 37.486993] tty_set_ldisc+0x287/0x5d0 [ 37.490855] tty_ioctl+0xa2a/0x1430 [ 37.494458] ? tty_fasync+0x2c0/0x2c0 [ 37.498237] ? proc_fail_nth_write+0x7b/0x180 [ 37.502710] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.507621] ? fsnotify+0x974/0x11b0 [ 37.511310] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.516218] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.521213] ? tty_fasync+0x2c0/0x2c0 [ 37.524991] do_vfs_ioctl+0x75a/0xff0 [ 37.528771] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.533171] ? vfs_write+0x319/0x4d0 [ 37.536862] ? SyS_write+0x14d/0x210 [ 37.540558] ? security_file_ioctl+0x83/0xb0 [ 37.544946] SyS_ioctl+0x7f/0xb0 [ 37.548290] ? do_vfs_ioctl+0xff0/0xff0 [ 37.552251] do_syscall_64+0x1d5/0x640 [ 37.556124] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.561292] RIP: 0033:0x7f2bc6a73099 executing program [ 37.564979] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.572664] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 37.579912] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.587164] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 37.594520] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.601772] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.613710] FAULT_INJECTION: forcing a failure. [ 37.613710] name failslab, interval 1, probability 0, space 0, times 0 [ 37.625464] CPU: 0 PID: 8019 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 37.633337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.642680] Call Trace: [ 37.645254] dump_stack+0x1b2/0x281 [ 37.648866] should_fail.cold+0x10a/0x149 [ 37.652991] should_failslab+0xd6/0x130 [ 37.656947] __kmalloc+0x2c1/0x400 [ 37.660466] ? __kfifo_alloc+0xdc/0x240 [ 37.664422] __kfifo_alloc+0xdc/0x240 [ 37.668210] gsm_dlci_alloc+0xd4/0x460 [ 37.672072] gsm_activate_mux+0x22e/0x2e0 [ 37.676197] gsmld_open+0x4ed/0x7b0 [ 37.679799] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 37.684033] tty_ldisc_open+0x6c/0xb0 [ 37.687831] tty_set_ldisc+0x287/0x5d0 [ 37.691696] tty_ioctl+0xa2a/0x1430 [ 37.695319] ? tty_fasync+0x2c0/0x2c0 [ 37.699098] ? proc_fail_nth_write+0x7b/0x180 [ 37.703569] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.708477] ? fsnotify+0x974/0x11b0 [ 37.712166] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.717073] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.722066] ? tty_fasync+0x2c0/0x2c0 [ 37.725858] do_vfs_ioctl+0x75a/0xff0 [ 37.729725] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.734109] ? vfs_write+0x319/0x4d0 [ 37.737799] ? SyS_write+0x14d/0x210 [ 37.741490] ? security_file_ioctl+0x83/0xb0 [ 37.745881] SyS_ioctl+0x7f/0xb0 [ 37.749223] ? do_vfs_ioctl+0xff0/0xff0 [ 37.753172] do_syscall_64+0x1d5/0x640 [ 37.757036] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.762202] RIP: 0033:0x7f2bc6a73099 executing program [ 37.765886] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.773567] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 37.780901] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.788147] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 37.795411] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.802667] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.814402] FAULT_INJECTION: forcing a failure. [ 37.814402] name failslab, interval 1, probability 0, space 0, times 0 [ 37.825797] CPU: 0 PID: 8020 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 37.833682] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 37.843010] Call Trace: [ 37.845577] dump_stack+0x1b2/0x281 [ 37.849184] should_fail.cold+0x10a/0x149 [ 37.853309] should_failslab+0xd6/0x130 [ 37.857264] __kmalloc+0x2c1/0x400 [ 37.860782] ? __kfifo_alloc+0xdc/0x240 [ 37.864733] __kfifo_alloc+0xdc/0x240 [ 37.868510] gsm_dlci_alloc+0xd4/0x460 [ 37.872390] gsm_activate_mux+0x22e/0x2e0 [ 37.876518] gsmld_open+0x4ed/0x7b0 [ 37.880192] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 37.884421] tty_ldisc_open+0x6c/0xb0 [ 37.888211] tty_set_ldisc+0x287/0x5d0 [ 37.892080] tty_ioctl+0xa2a/0x1430 [ 37.895682] ? tty_fasync+0x2c0/0x2c0 [ 37.899465] ? proc_fail_nth_write+0x7b/0x180 [ 37.903935] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.908845] ? fsnotify+0x974/0x11b0 [ 37.912546] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 37.917450] ? debug_check_no_obj_freed+0x2c0/0x680 [ 37.922445] ? tty_fasync+0x2c0/0x2c0 [ 37.926235] do_vfs_ioctl+0x75a/0xff0 [ 37.930012] ? ioctl_preallocate+0x1a0/0x1a0 [ 37.934411] ? vfs_write+0x319/0x4d0 [ 37.938116] ? SyS_write+0x14d/0x210 [ 37.941811] ? security_file_ioctl+0x83/0xb0 [ 37.946199] SyS_ioctl+0x7f/0xb0 [ 37.949544] ? do_vfs_ioctl+0xff0/0xff0 [ 37.953498] do_syscall_64+0x1d5/0x640 [ 37.957368] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.962534] RIP: 0033:0x7f2bc6a73099 executing program [ 37.966221] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.973904] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 37.981150] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.988415] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 37.995680] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.002936] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.015187] FAULT_INJECTION: forcing a failure. [ 38.015187] name failslab, interval 1, probability 0, space 0, times 0 [ 38.026460] CPU: 0 PID: 8021 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 38.034326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.043669] Call Trace: [ 38.046239] dump_stack+0x1b2/0x281 [ 38.049960] should_fail.cold+0x10a/0x149 [ 38.054092] should_failslab+0xd6/0x130 [ 38.058052] __kmalloc+0x2c1/0x400 [ 38.061571] ? __kfifo_alloc+0xdc/0x240 [ 38.065526] __kfifo_alloc+0xdc/0x240 [ 38.069309] gsm_dlci_alloc+0xd4/0x460 [ 38.073173] gsm_activate_mux+0x22e/0x2e0 [ 38.077404] gsmld_open+0x4ed/0x7b0 [ 38.081005] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 38.085216] tty_ldisc_open+0x6c/0xb0 [ 38.088993] tty_set_ldisc+0x287/0x5d0 [ 38.092855] tty_ioctl+0xa2a/0x1430 [ 38.096463] ? tty_fasync+0x2c0/0x2c0 [ 38.100240] ? proc_fail_nth_write+0x7b/0x180 [ 38.104717] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.109636] ? fsnotify+0x974/0x11b0 [ 38.113329] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.118235] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.123240] ? tty_fasync+0x2c0/0x2c0 [ 38.127281] do_vfs_ioctl+0x75a/0xff0 [ 38.131067] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.135454] ? vfs_write+0x319/0x4d0 [ 38.139144] ? SyS_write+0x14d/0x210 [ 38.142927] ? security_file_ioctl+0x83/0xb0 [ 38.147311] SyS_ioctl+0x7f/0xb0 [ 38.150659] ? do_vfs_ioctl+0xff0/0xff0 [ 38.154619] do_syscall_64+0x1d5/0x640 [ 38.158487] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.163651] RIP: 0033:0x7f2bc6a73099 executing program [ 38.167335] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.175021] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 38.182280] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.189530] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 38.196773] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.204018] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.217426] FAULT_INJECTION: forcing a failure. [ 38.217426] name failslab, interval 1, probability 0, space 0, times 0 [ 38.228690] CPU: 0 PID: 8022 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 38.236553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.245881] Call Trace: [ 38.248449] dump_stack+0x1b2/0x281 [ 38.252403] should_fail.cold+0x10a/0x149 [ 38.256543] should_failslab+0xd6/0x130 [ 38.260496] __kmalloc+0x2c1/0x400 [ 38.264009] ? __kfifo_alloc+0xdc/0x240 [ 38.267956] __kfifo_alloc+0xdc/0x240 [ 38.271736] gsm_dlci_alloc+0xd4/0x460 [ 38.275623] gsm_activate_mux+0x22e/0x2e0 [ 38.279759] gsmld_open+0x4ed/0x7b0 [ 38.283358] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 38.287571] tty_ldisc_open+0x6c/0xb0 [ 38.291345] tty_set_ldisc+0x287/0x5d0 [ 38.295208] tty_ioctl+0xa2a/0x1430 [ 38.298811] ? tty_fasync+0x2c0/0x2c0 [ 38.302587] ? proc_fail_nth_write+0x7b/0x180 [ 38.307064] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.311976] ? fsnotify+0x974/0x11b0 [ 38.315664] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.320571] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.325575] ? tty_fasync+0x2c0/0x2c0 [ 38.329364] do_vfs_ioctl+0x75a/0xff0 [ 38.333178] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.337579] ? vfs_write+0x319/0x4d0 [ 38.341277] ? SyS_write+0x14d/0x210 [ 38.344972] ? security_file_ioctl+0x83/0xb0 [ 38.349357] SyS_ioctl+0x7f/0xb0 [ 38.352709] ? do_vfs_ioctl+0xff0/0xff0 [ 38.356668] do_syscall_64+0x1d5/0x640 [ 38.360536] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.365708] RIP: 0033:0x7f2bc6a73099 executing program [ 38.369406] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.377107] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 38.384364] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.391615] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 38.399226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.406476] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.418257] FAULT_INJECTION: forcing a failure. [ 38.418257] name failslab, interval 1, probability 0, space 0, times 0 [ 38.429649] CPU: 0 PID: 8023 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 38.437511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.446841] Call Trace: [ 38.449418] dump_stack+0x1b2/0x281 [ 38.453130] should_fail.cold+0x10a/0x149 [ 38.457258] should_failslab+0xd6/0x130 [ 38.461212] __kmalloc+0x2c1/0x400 [ 38.464728] ? __kfifo_alloc+0xdc/0x240 [ 38.468679] __kfifo_alloc+0xdc/0x240 [ 38.472457] gsm_dlci_alloc+0xd4/0x460 [ 38.476318] gsm_activate_mux+0x22e/0x2e0 [ 38.480441] gsmld_open+0x4ed/0x7b0 [ 38.484045] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 38.488254] tty_ldisc_open+0x6c/0xb0 [ 38.492031] tty_set_ldisc+0x287/0x5d0 [ 38.495921] tty_ioctl+0xa2a/0x1430 [ 38.499525] ? tty_fasync+0x2c0/0x2c0 [ 38.503609] ? proc_fail_nth_write+0x7b/0x180 [ 38.508083] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.512995] ? fsnotify+0x974/0x11b0 [ 38.516687] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.521598] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.526596] ? tty_fasync+0x2c0/0x2c0 [ 38.530373] do_vfs_ioctl+0x75a/0xff0 [ 38.534150] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.538539] ? vfs_write+0x319/0x4d0 [ 38.542231] ? SyS_write+0x14d/0x210 [ 38.545921] ? security_file_ioctl+0x83/0xb0 [ 38.550306] SyS_ioctl+0x7f/0xb0 [ 38.553647] ? do_vfs_ioctl+0xff0/0xff0 [ 38.557597] do_syscall_64+0x1d5/0x640 [ 38.561468] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.566636] RIP: 0033:0x7f2bc6a73099 executing program [ 38.570322] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.578010] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 38.585257] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.592502] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 38.599748] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.606996] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.618857] FAULT_INJECTION: forcing a failure. [ 38.618857] name failslab, interval 1, probability 0, space 0, times 0 [ 38.630267] CPU: 0 PID: 8024 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 38.638128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.647457] Call Trace: [ 38.650025] dump_stack+0x1b2/0x281 [ 38.653628] should_fail.cold+0x10a/0x149 [ 38.657751] should_failslab+0xd6/0x130 [ 38.661703] __kmalloc+0x2c1/0x400 [ 38.665218] ? __kfifo_alloc+0xdc/0x240 [ 38.669171] __kfifo_alloc+0xdc/0x240 [ 38.672948] gsm_dlci_alloc+0xd4/0x460 [ 38.676809] gsm_activate_mux+0x22e/0x2e0 [ 38.680932] gsmld_open+0x4ed/0x7b0 [ 38.684534] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 38.688753] tty_ldisc_open+0x6c/0xb0 [ 38.692529] tty_set_ldisc+0x287/0x5d0 [ 38.696392] tty_ioctl+0xa2a/0x1430 [ 38.699998] ? tty_fasync+0x2c0/0x2c0 [ 38.703774] ? proc_fail_nth_write+0x7b/0x180 [ 38.708243] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.713151] ? fsnotify+0x974/0x11b0 [ 38.716842] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.721748] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.726742] ? tty_fasync+0x2c0/0x2c0 [ 38.730518] do_vfs_ioctl+0x75a/0xff0 [ 38.734295] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.738680] ? vfs_write+0x319/0x4d0 [ 38.742372] ? SyS_write+0x14d/0x210 [ 38.746061] ? security_file_ioctl+0x83/0xb0 [ 38.750445] SyS_ioctl+0x7f/0xb0 [ 38.753787] ? do_vfs_ioctl+0xff0/0xff0 [ 38.757735] do_syscall_64+0x1d5/0x640 [ 38.761607] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.766779] RIP: 0033:0x7f2bc6a73099 executing program [ 38.770468] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.778155] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 38.785399] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.792647] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 38.799896] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.807152] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.823447] FAULT_INJECTION: forcing a failure. [ 38.823447] name failslab, interval 1, probability 0, space 0, times 0 [ 38.834886] CPU: 0 PID: 8025 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 38.842752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 38.852173] Call Trace: [ 38.854747] dump_stack+0x1b2/0x281 [ 38.858362] should_fail.cold+0x10a/0x149 [ 38.862491] should_failslab+0xd6/0x130 [ 38.866441] __kmalloc+0x2c1/0x400 [ 38.869957] ? __kfifo_alloc+0xdc/0x240 [ 38.873908] __kfifo_alloc+0xdc/0x240 [ 38.877686] gsm_dlci_alloc+0xd4/0x460 [ 38.881556] gsm_activate_mux+0x22e/0x2e0 [ 38.885687] gsmld_open+0x4ed/0x7b0 [ 38.889287] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 38.893499] tty_ldisc_open+0x6c/0xb0 [ 38.897277] tty_set_ldisc+0x287/0x5d0 [ 38.901139] tty_ioctl+0xa2a/0x1430 [ 38.904742] ? tty_fasync+0x2c0/0x2c0 [ 38.908521] ? proc_fail_nth_write+0x7b/0x180 [ 38.912990] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.917896] ? fsnotify+0x974/0x11b0 [ 38.921584] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 38.926486] ? debug_check_no_obj_freed+0x2c0/0x680 [ 38.931501] ? tty_fasync+0x2c0/0x2c0 [ 38.935362] do_vfs_ioctl+0x75a/0xff0 [ 38.939139] ? ioctl_preallocate+0x1a0/0x1a0 [ 38.943525] ? vfs_write+0x319/0x4d0 [ 38.947302] ? SyS_write+0x14d/0x210 [ 38.950992] ? security_file_ioctl+0x83/0xb0 [ 38.955399] SyS_ioctl+0x7f/0xb0 [ 38.958748] ? do_vfs_ioctl+0xff0/0xff0 [ 38.962798] do_syscall_64+0x1d5/0x640 [ 38.966672] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 38.971842] RIP: 0033:0x7f2bc6a73099 [ 38.975530] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.983212] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 38.990459] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.997878] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 39.005122] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.012366] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.024376] FAULT_INJECTION: forcing a failure. [ 39.024376] name failslab, interval 1, probability 0, space 0, times 0 [ 39.035781] CPU: 0 PID: 8026 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 39.048510] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.057979] Call Trace: [ 39.060552] dump_stack+0x1b2/0x281 [ 39.064157] should_fail.cold+0x10a/0x149 [ 39.068288] should_failslab+0xd6/0x130 [ 39.072354] __kmalloc+0x2c1/0x400 [ 39.075880] ? __kfifo_alloc+0xdc/0x240 [ 39.079835] __kfifo_alloc+0xdc/0x240 [ 39.083622] gsm_dlci_alloc+0xd4/0x460 [ 39.087488] gsm_activate_mux+0x22e/0x2e0 [ 39.091613] gsmld_open+0x4ed/0x7b0 [ 39.095219] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 39.099434] tty_ldisc_open+0x6c/0xb0 [ 39.103216] tty_set_ldisc+0x287/0x5d0 [ 39.107353] tty_ioctl+0xa2a/0x1430 [ 39.110956] ? tty_fasync+0x2c0/0x2c0 [ 39.114741] ? proc_fail_nth_write+0x7b/0x180 [ 39.119222] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.124217] ? fsnotify+0x974/0x11b0 [ 39.127915] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.132818] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.137814] ? tty_fasync+0x2c0/0x2c0 [ 39.141592] do_vfs_ioctl+0x75a/0xff0 [ 39.145371] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.149847] ? vfs_write+0x319/0x4d0 [ 39.153547] ? SyS_write+0x14d/0x210 [ 39.157247] ? security_file_ioctl+0x83/0xb0 [ 39.161641] SyS_ioctl+0x7f/0xb0 [ 39.164989] ? do_vfs_ioctl+0xff0/0xff0 [ 39.168939] do_syscall_64+0x1d5/0x640 [ 39.172804] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.177973] RIP: 0033:0x7f2bc6a73099 [ 39.181799] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.189486] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 39.196738] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.203989] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 39.211246] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 executing program [ 39.218499] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.230351] FAULT_INJECTION: forcing a failure. [ 39.230351] name failslab, interval 1, probability 0, space 0, times 0 [ 39.241748] CPU: 0 PID: 8027 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 39.249609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.258953] Call Trace: [ 39.261528] dump_stack+0x1b2/0x281 [ 39.265135] should_fail.cold+0x10a/0x149 [ 39.269262] should_failslab+0xd6/0x130 [ 39.273216] __kmalloc+0x2c1/0x400 [ 39.276740] ? __kfifo_alloc+0xdc/0x240 [ 39.280700] __kfifo_alloc+0xdc/0x240 [ 39.284486] gsm_dlci_alloc+0xd4/0x460 [ 39.288443] gsm_activate_mux+0x22e/0x2e0 [ 39.292570] gsmld_open+0x4ed/0x7b0 [ 39.296174] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 39.300385] tty_ldisc_open+0x6c/0xb0 [ 39.304162] tty_set_ldisc+0x287/0x5d0 [ 39.308027] tty_ioctl+0xa2a/0x1430 [ 39.311629] ? tty_fasync+0x2c0/0x2c0 [ 39.315404] ? proc_fail_nth_write+0x7b/0x180 [ 39.319876] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.324792] ? fsnotify+0x974/0x11b0 [ 39.328479] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.333428] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.338427] ? tty_fasync+0x2c0/0x2c0 [ 39.342208] do_vfs_ioctl+0x75a/0xff0 [ 39.345994] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.350383] ? vfs_write+0x319/0x4d0 [ 39.354086] ? SyS_write+0x14d/0x210 [ 39.357782] ? security_file_ioctl+0x83/0xb0 [ 39.362175] SyS_ioctl+0x7f/0xb0 [ 39.365522] ? do_vfs_ioctl+0xff0/0xff0 [ 39.369482] do_syscall_64+0x1d5/0x640 executing program [ 39.373348] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.378512] RIP: 0033:0x7f2bc6a73099 [ 39.382200] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.389885] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 39.397132] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.404432] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 39.411686] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.418938] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.430715] FAULT_INJECTION: forcing a failure. [ 39.430715] name failslab, interval 1, probability 0, space 0, times 0 [ 39.442041] CPU: 0 PID: 8028 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 39.449906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.459241] Call Trace: [ 39.461814] dump_stack+0x1b2/0x281 [ 39.465421] should_fail.cold+0x10a/0x149 [ 39.469547] should_failslab+0xd6/0x130 [ 39.473499] __kmalloc+0x2c1/0x400 [ 39.477018] ? __kfifo_alloc+0xdc/0x240 [ 39.480969] __kfifo_alloc+0xdc/0x240 [ 39.484754] gsm_dlci_alloc+0xd4/0x460 [ 39.488624] gsm_activate_mux+0x22e/0x2e0 [ 39.492747] gsmld_open+0x4ed/0x7b0 [ 39.496351] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 39.500565] tty_ldisc_open+0x6c/0xb0 [ 39.504342] tty_set_ldisc+0x287/0x5d0 [ 39.508209] tty_ioctl+0xa2a/0x1430 [ 39.511814] ? tty_fasync+0x2c0/0x2c0 [ 39.515593] ? proc_fail_nth_write+0x7b/0x180 [ 39.520066] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.524972] ? fsnotify+0x974/0x11b0 [ 39.528662] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.533565] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.538556] ? tty_fasync+0x2c0/0x2c0 [ 39.542330] do_vfs_ioctl+0x75a/0xff0 [ 39.546110] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.550497] ? vfs_write+0x319/0x4d0 [ 39.554185] ? SyS_write+0x14d/0x210 [ 39.557876] ? security_file_ioctl+0x83/0xb0 [ 39.562264] SyS_ioctl+0x7f/0xb0 [ 39.565608] ? do_vfs_ioctl+0xff0/0xff0 [ 39.569561] do_syscall_64+0x1d5/0x640 [ 39.573429] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 39.578598] RIP: 0033:0x7f2bc6a73099 [ 39.582289] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.589973] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 39.597219] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.604464] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 39.611709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.618971] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.630772] FAULT_INJECTION: forcing a failure. [ 39.630772] name failslab, interval 1, probability 0, space 0, times 0 [ 39.642197] CPU: 0 PID: 8029 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 39.650057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.659391] Call Trace: [ 39.661965] dump_stack+0x1b2/0x281 [ 39.665575] should_fail.cold+0x10a/0x149 [ 39.669701] should_failslab+0xd6/0x130 [ 39.673663] __kmalloc+0x2c1/0x400 [ 39.677198] ? __kfifo_alloc+0xdc/0x240 [ 39.681152] __kfifo_alloc+0xdc/0x240 [ 39.684946] gsm_dlci_alloc+0xd4/0x460 [ 39.688813] gsm_activate_mux+0x22e/0x2e0 [ 39.693026] gsmld_open+0x4ed/0x7b0 [ 39.696629] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 39.700840] tty_ldisc_open+0x6c/0xb0 [ 39.704618] tty_set_ldisc+0x287/0x5d0 [ 39.708499] tty_ioctl+0xa2a/0x1430 [ 39.712110] ? tty_fasync+0x2c0/0x2c0 [ 39.715891] ? proc_fail_nth_write+0x7b/0x180 [ 39.720399] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.725309] ? fsnotify+0x974/0x11b0 [ 39.728999] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.733906] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.738903] ? tty_fasync+0x2c0/0x2c0 [ 39.742680] do_vfs_ioctl+0x75a/0xff0 [ 39.746468] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.750855] ? vfs_write+0x319/0x4d0 [ 39.754548] ? SyS_write+0x14d/0x210 [ 39.758239] ? security_file_ioctl+0x83/0xb0 [ 39.762624] SyS_ioctl+0x7f/0xb0 [ 39.765964] ? do_vfs_ioctl+0xff0/0xff0 [ 39.769919] do_syscall_64+0x1d5/0x640 [ 39.773787] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 39.778954] RIP: 0033:0x7f2bc6a73099 [ 39.782647] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.790337] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 39.797589] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.805139] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 39.812480] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.819733] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 39.831632] FAULT_INJECTION: forcing a failure. [ 39.831632] name failslab, interval 1, probability 0, space 0, times 0 [ 39.843047] CPU: 0 PID: 8030 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 39.850912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 39.860250] Call Trace: [ 39.862816] dump_stack+0x1b2/0x281 [ 39.866431] should_fail.cold+0x10a/0x149 [ 39.870560] should_failslab+0xd6/0x130 [ 39.874520] __kmalloc+0x2c1/0x400 [ 39.878043] ? __kfifo_alloc+0xdc/0x240 [ 39.882000] __kfifo_alloc+0xdc/0x240 [ 39.885780] gsm_dlci_alloc+0xd4/0x460 [ 39.889643] gsm_activate_mux+0x22e/0x2e0 [ 39.893769] gsmld_open+0x4ed/0x7b0 [ 39.897372] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 39.901587] tty_ldisc_open+0x6c/0xb0 [ 39.905378] tty_set_ldisc+0x287/0x5d0 [ 39.909244] tty_ioctl+0xa2a/0x1430 [ 39.912847] ? tty_fasync+0x2c0/0x2c0 [ 39.916653] ? proc_fail_nth_write+0x7b/0x180 [ 39.921123] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.926035] ? fsnotify+0x974/0x11b0 [ 39.929735] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 39.934638] ? debug_check_no_obj_freed+0x2c0/0x680 [ 39.939631] ? tty_fasync+0x2c0/0x2c0 [ 39.943408] do_vfs_ioctl+0x75a/0xff0 [ 39.947187] ? ioctl_preallocate+0x1a0/0x1a0 [ 39.951606] ? vfs_write+0x319/0x4d0 [ 39.955296] ? SyS_write+0x14d/0x210 [ 39.958987] ? security_file_ioctl+0x83/0xb0 [ 39.963369] SyS_ioctl+0x7f/0xb0 [ 39.966708] ? do_vfs_ioctl+0xff0/0xff0 [ 39.970783] do_syscall_64+0x1d5/0x640 [ 39.974648] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 39.979824] RIP: 0033:0x7f2bc6a73099 [ 39.983516] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.991208] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 39.998455] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.005700] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 40.012944] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.020189] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.032797] FAULT_INJECTION: forcing a failure. [ 40.032797] name failslab, interval 1, probability 0, space 0, times 0 [ 40.044265] CPU: 0 PID: 8031 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 40.052134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 40.061473] Call Trace: [ 40.064046] dump_stack+0x1b2/0x281 [ 40.067744] should_fail.cold+0x10a/0x149 [ 40.071891] should_failslab+0xd6/0x130 [ 40.075846] __kmalloc+0x2c1/0x400 [ 40.079366] ? __kfifo_alloc+0xdc/0x240 [ 40.083319] __kfifo_alloc+0xdc/0x240 [ 40.087098] gsm_dlci_alloc+0xd4/0x460 [ 40.090970] gsm_activate_mux+0x22e/0x2e0 [ 40.095092] gsmld_open+0x4ed/0x7b0 [ 40.098699] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 40.102915] tty_ldisc_open+0x6c/0xb0 [ 40.106692] tty_set_ldisc+0x287/0x5d0 [ 40.110566] tty_ioctl+0xa2a/0x1430 [ 40.114178] ? tty_fasync+0x2c0/0x2c0 [ 40.117968] ? proc_fail_nth_write+0x7b/0x180 [ 40.122442] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.127358] ? fsnotify+0x974/0x11b0 [ 40.131052] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.135973] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.140975] ? tty_fasync+0x2c0/0x2c0 [ 40.144753] do_vfs_ioctl+0x75a/0xff0 [ 40.148542] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.152945] ? vfs_write+0x319/0x4d0 [ 40.156642] ? SyS_write+0x14d/0x210 [ 40.160350] ? security_file_ioctl+0x83/0xb0 [ 40.164741] SyS_ioctl+0x7f/0xb0 [ 40.168093] ? do_vfs_ioctl+0xff0/0xff0 [ 40.172047] do_syscall_64+0x1d5/0x640 [ 40.175913] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 40.181078] RIP: 0033:0x7f2bc6a73099 [ 40.184763] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.192532] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 40.199783] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.207027] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 40.214271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.221522] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.233340] FAULT_INJECTION: forcing a failure. [ 40.233340] name failslab, interval 1, probability 0, space 0, times 0 [ 40.244736] CPU: 0 PID: 8032 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 40.252600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 40.261931] Call Trace: [ 40.264509] dump_stack+0x1b2/0x281 [ 40.268125] should_fail.cold+0x10a/0x149 [ 40.272254] should_failslab+0xd6/0x130 [ 40.276210] __kmalloc+0x2c1/0x400 [ 40.279727] ? __kfifo_alloc+0xdc/0x240 [ 40.283676] __kfifo_alloc+0xdc/0x240 [ 40.287455] gsm_dlci_alloc+0xd4/0x460 [ 40.291321] gsm_activate_mux+0x22e/0x2e0 [ 40.295449] gsmld_open+0x4ed/0x7b0 [ 40.299054] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 40.303547] tty_ldisc_open+0x6c/0xb0 [ 40.307333] tty_set_ldisc+0x287/0x5d0 [ 40.311201] tty_ioctl+0xa2a/0x1430 [ 40.314809] ? tty_fasync+0x2c0/0x2c0 [ 40.318586] ? proc_fail_nth_write+0x7b/0x180 [ 40.323066] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.327981] ? fsnotify+0x974/0x11b0 [ 40.331672] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.336579] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.341596] ? tty_fasync+0x2c0/0x2c0 [ 40.345380] do_vfs_ioctl+0x75a/0xff0 [ 40.349169] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.353570] ? vfs_write+0x319/0x4d0 [ 40.357265] ? SyS_write+0x14d/0x210 [ 40.360957] ? security_file_ioctl+0x83/0xb0 [ 40.365343] SyS_ioctl+0x7f/0xb0 [ 40.368683] ? do_vfs_ioctl+0xff0/0xff0 [ 40.372634] do_syscall_64+0x1d5/0x640 [ 40.376499] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 40.381696] RIP: 0033:0x7f2bc6a73099 [ 40.385383] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.393065] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 40.400309] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.407554] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 40.414883] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.422132] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.433892] FAULT_INJECTION: forcing a failure. [ 40.433892] name failslab, interval 1, probability 0, space 0, times 0 [ 40.445186] CPU: 0 PID: 8033 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 40.453046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 40.462376] Call Trace: [ 40.464947] dump_stack+0x1b2/0x281 [ 40.468561] should_fail.cold+0x10a/0x149 [ 40.472687] should_failslab+0xd6/0x130 [ 40.476638] __kmalloc+0x2c1/0x400 [ 40.480152] ? __kfifo_alloc+0xdc/0x240 [ 40.484102] __kfifo_alloc+0xdc/0x240 [ 40.487880] gsm_dlci_alloc+0xd4/0x460 [ 40.491743] gsm_activate_mux+0x22e/0x2e0 [ 40.495865] gsmld_open+0x4ed/0x7b0 [ 40.499472] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 40.503684] tty_ldisc_open+0x6c/0xb0 [ 40.507460] tty_set_ldisc+0x287/0x5d0 [ 40.511323] tty_ioctl+0xa2a/0x1430 [ 40.514933] ? tty_fasync+0x2c0/0x2c0 [ 40.518724] ? proc_fail_nth_write+0x7b/0x180 [ 40.523277] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.528186] ? fsnotify+0x974/0x11b0 [ 40.531880] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.536783] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.541780] ? tty_fasync+0x2c0/0x2c0 [ 40.545556] do_vfs_ioctl+0x75a/0xff0 [ 40.549332] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.553724] ? vfs_write+0x319/0x4d0 [ 40.557521] ? SyS_write+0x14d/0x210 [ 40.561214] ? security_file_ioctl+0x83/0xb0 [ 40.565596] SyS_ioctl+0x7f/0xb0 [ 40.568937] ? do_vfs_ioctl+0xff0/0xff0 [ 40.572889] do_syscall_64+0x1d5/0x640 [ 40.576757] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.581918] RIP: 0033:0x7f2bc6a73099 executing program [ 40.585604] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.593295] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 40.600540] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.607788] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 40.615119] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.622365] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.634654] FAULT_INJECTION: forcing a failure. [ 40.634654] name failslab, interval 1, probability 0, space 0, times 0 [ 40.645928] CPU: 0 PID: 8034 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 40.653793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 40.663122] Call Trace: [ 40.665689] dump_stack+0x1b2/0x281 [ 40.669294] should_fail.cold+0x10a/0x149 [ 40.673428] should_failslab+0xd6/0x130 [ 40.677386] __kmalloc+0x2c1/0x400 [ 40.680900] ? __kfifo_alloc+0xdc/0x240 [ 40.684848] __kfifo_alloc+0xdc/0x240 [ 40.688628] gsm_dlci_alloc+0xd4/0x460 [ 40.692505] gsm_activate_mux+0x22e/0x2e0 [ 40.696630] gsmld_open+0x4ed/0x7b0 [ 40.700231] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 40.704446] tty_ldisc_open+0x6c/0xb0 [ 40.708220] tty_set_ldisc+0x287/0x5d0 [ 40.712084] tty_ioctl+0xa2a/0x1430 [ 40.715686] ? tty_fasync+0x2c0/0x2c0 [ 40.719473] ? proc_fail_nth_write+0x7b/0x180 [ 40.723953] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.728905] ? fsnotify+0x974/0x11b0 [ 40.732591] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.737589] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.742589] ? tty_fasync+0x2c0/0x2c0 [ 40.746373] do_vfs_ioctl+0x75a/0xff0 [ 40.750157] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.754545] ? vfs_write+0x319/0x4d0 [ 40.758233] ? SyS_write+0x14d/0x210 [ 40.761922] ? security_file_ioctl+0x83/0xb0 [ 40.766311] SyS_ioctl+0x7f/0xb0 [ 40.769651] ? do_vfs_ioctl+0xff0/0xff0 [ 40.773619] do_syscall_64+0x1d5/0x640 [ 40.777493] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.782742] RIP: 0033:0x7f2bc6a73099 executing program [ 40.786428] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.794110] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 40.801356] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.808636] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 40.815884] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.823130] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 40.835490] FAULT_INJECTION: forcing a failure. [ 40.835490] name failslab, interval 1, probability 0, space 0, times 0 [ 40.846771] CPU: 0 PID: 8035 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 40.854637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 40.863992] Call Trace: [ 40.866562] dump_stack+0x1b2/0x281 [ 40.870166] should_fail.cold+0x10a/0x149 [ 40.874358] should_failslab+0xd6/0x130 [ 40.878310] __kmalloc+0x2c1/0x400 [ 40.881825] ? __kfifo_alloc+0xdc/0x240 [ 40.885779] __kfifo_alloc+0xdc/0x240 [ 40.889556] gsm_dlci_alloc+0xd4/0x460 [ 40.893436] gsm_activate_mux+0x22e/0x2e0 [ 40.897578] gsmld_open+0x4ed/0x7b0 [ 40.901185] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 40.905401] tty_ldisc_open+0x6c/0xb0 [ 40.909181] tty_set_ldisc+0x287/0x5d0 [ 40.913093] tty_ioctl+0xa2a/0x1430 [ 40.916704] ? tty_fasync+0x2c0/0x2c0 [ 40.920488] ? proc_fail_nth_write+0x7b/0x180 [ 40.924976] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.929884] ? fsnotify+0x974/0x11b0 [ 40.933573] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 40.938490] ? debug_check_no_obj_freed+0x2c0/0x680 [ 40.943496] ? tty_fasync+0x2c0/0x2c0 [ 40.947309] do_vfs_ioctl+0x75a/0xff0 [ 40.951092] ? ioctl_preallocate+0x1a0/0x1a0 [ 40.955495] ? vfs_write+0x319/0x4d0 [ 40.959194] ? SyS_write+0x14d/0x210 [ 40.962889] ? security_file_ioctl+0x83/0xb0 [ 40.967276] SyS_ioctl+0x7f/0xb0 [ 40.970625] ? do_vfs_ioctl+0xff0/0xff0 [ 40.974577] do_syscall_64+0x1d5/0x640 [ 40.978444] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.983609] RIP: 0033:0x7f2bc6a73099 executing program [ 40.987293] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.994973] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 41.002243] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.009496] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 41.016744] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 41.023995] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 41.036050] FAULT_INJECTION: forcing a failure. [ 41.036050] name failslab, interval 1, probability 0, space 0, times 0 [ 41.047330] CPU: 0 PID: 8036 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 41.055203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 41.064543] Call Trace: [ 41.067120] dump_stack+0x1b2/0x281 [ 41.070751] should_fail.cold+0x10a/0x149 [ 41.074900] should_failslab+0xd6/0x130 [ 41.078856] __kmalloc+0x2c1/0x400 [ 41.082378] ? __kfifo_alloc+0xdc/0x240 [ 41.086339] __kfifo_alloc+0xdc/0x240 [ 41.090168] gsm_dlci_alloc+0xd4/0x460 [ 41.094036] gsm_activate_mux+0x22e/0x2e0 [ 41.098161] gsmld_open+0x4ed/0x7b0 [ 41.101765] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 41.106074] tty_ldisc_open+0x6c/0xb0 [ 41.109955] tty_set_ldisc+0x287/0x5d0 [ 41.113821] tty_ioctl+0xa2a/0x1430 [ 41.117519] ? tty_fasync+0x2c0/0x2c0 [ 41.121294] ? proc_fail_nth_write+0x7b/0x180 [ 41.125766] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.130670] ? fsnotify+0x974/0x11b0 [ 41.134359] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.139262] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.144270] ? tty_fasync+0x2c0/0x2c0 [ 41.148050] do_vfs_ioctl+0x75a/0xff0 [ 41.151831] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.156217] ? vfs_write+0x319/0x4d0 [ 41.159904] ? SyS_write+0x14d/0x210 [ 41.163592] ? security_file_ioctl+0x83/0xb0 [ 41.167977] SyS_ioctl+0x7f/0xb0 [ 41.171321] ? do_vfs_ioctl+0xff0/0xff0 [ 41.175276] do_syscall_64+0x1d5/0x640 [ 41.179143] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.184346] RIP: 0033:0x7f2bc6a73099 executing program [ 41.188031] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.195713] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 41.202959] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.210205] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 41.217455] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 41.224699] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 41.236085] FAULT_INJECTION: forcing a failure. [ 41.236085] name failslab, interval 1, probability 0, space 0, times 0 [ 41.247450] CPU: 0 PID: 8037 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 41.255307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 41.264638] Call Trace: [ 41.267216] dump_stack+0x1b2/0x281 [ 41.270819] should_fail.cold+0x10a/0x149 [ 41.274942] should_failslab+0xd6/0x130 [ 41.278894] __kmalloc+0x2c1/0x400 [ 41.282408] ? __kfifo_alloc+0xdc/0x240 [ 41.286359] __kfifo_alloc+0xdc/0x240 [ 41.290144] gsm_dlci_alloc+0xd4/0x460 [ 41.294014] gsm_activate_mux+0x22e/0x2e0 [ 41.298142] gsmld_open+0x4ed/0x7b0 [ 41.301801] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 41.306012] tty_ldisc_open+0x6c/0xb0 [ 41.309789] tty_set_ldisc+0x287/0x5d0 [ 41.313656] tty_ioctl+0xa2a/0x1430 [ 41.317272] ? tty_fasync+0x2c0/0x2c0 [ 41.321049] ? proc_fail_nth_write+0x7b/0x180 [ 41.325520] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.330429] ? fsnotify+0x974/0x11b0 [ 41.334116] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.339028] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.344025] ? tty_fasync+0x2c0/0x2c0 [ 41.347800] do_vfs_ioctl+0x75a/0xff0 [ 41.351578] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.355978] ? vfs_write+0x319/0x4d0 [ 41.359671] ? SyS_write+0x14d/0x210 [ 41.363367] ? security_file_ioctl+0x83/0xb0 [ 41.367774] SyS_ioctl+0x7f/0xb0 [ 41.371127] ? do_vfs_ioctl+0xff0/0xff0 [ 41.375079] do_syscall_64+0x1d5/0x640 [ 41.378946] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.384114] RIP: 0033:0x7f2bc6a73099 executing program [ 41.387799] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.395488] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 41.402740] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.409985] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 41.417232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 41.424479] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 41.436401] FAULT_INJECTION: forcing a failure. [ 41.436401] name failslab, interval 1, probability 0, space 0, times 0 [ 41.447717] CPU: 0 PID: 8038 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 41.455577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 41.464910] Call Trace: [ 41.467477] dump_stack+0x1b2/0x281 [ 41.471949] should_fail.cold+0x10a/0x149 [ 41.476079] should_failslab+0xd6/0x130 [ 41.480027] __kmalloc+0x2c1/0x400 [ 41.483547] ? __kfifo_alloc+0xdc/0x240 [ 41.487509] __kfifo_alloc+0xdc/0x240 [ 41.491286] gsm_dlci_alloc+0xd4/0x460 [ 41.495150] gsm_activate_mux+0x22e/0x2e0 [ 41.499272] gsmld_open+0x4ed/0x7b0 [ 41.502874] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 41.507085] tty_ldisc_open+0x6c/0xb0 [ 41.510863] tty_set_ldisc+0x287/0x5d0 [ 41.514725] tty_ioctl+0xa2a/0x1430 [ 41.518354] ? tty_fasync+0x2c0/0x2c0 [ 41.522128] ? proc_fail_nth_write+0x7b/0x180 [ 41.526608] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.531519] ? fsnotify+0x974/0x11b0 [ 41.535207] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.540113] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.545106] ? tty_fasync+0x2c0/0x2c0 [ 41.548887] do_vfs_ioctl+0x75a/0xff0 [ 41.552674] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.557057] ? vfs_write+0x319/0x4d0 [ 41.560832] ? SyS_write+0x14d/0x210 [ 41.564523] ? security_file_ioctl+0x83/0xb0 [ 41.568909] SyS_ioctl+0x7f/0xb0 [ 41.572253] ? do_vfs_ioctl+0xff0/0xff0 [ 41.576205] do_syscall_64+0x1d5/0x640 [ 41.580073] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.585241] RIP: 0033:0x7f2bc6a73099 executing program [ 41.588926] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.596608] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 41.603940] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.611185] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 41.618436] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 41.625684] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 41.637590] FAULT_INJECTION: forcing a failure. [ 41.637590] name failslab, interval 1, probability 0, space 0, times 0 [ 41.648995] CPU: 0 PID: 8039 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 41.656857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 41.666188] Call Trace: [ 41.668754] dump_stack+0x1b2/0x281 [ 41.672444] should_fail.cold+0x10a/0x149 [ 41.676578] should_failslab+0xd6/0x130 [ 41.680528] __kmalloc+0x2c1/0x400 [ 41.684043] ? __kfifo_alloc+0xdc/0x240 [ 41.687991] __kfifo_alloc+0xdc/0x240 [ 41.691860] gsm_dlci_alloc+0xd4/0x460 [ 41.695722] gsm_activate_mux+0x22e/0x2e0 [ 41.699845] gsmld_open+0x4ed/0x7b0 [ 41.703450] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 41.707662] tty_ldisc_open+0x6c/0xb0 [ 41.711436] tty_set_ldisc+0x287/0x5d0 [ 41.715302] tty_ioctl+0xa2a/0x1430 [ 41.718905] ? tty_fasync+0x2c0/0x2c0 [ 41.722680] ? proc_fail_nth_write+0x7b/0x180 [ 41.727152] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.732057] ? fsnotify+0x974/0x11b0 [ 41.735747] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.740652] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.745642] ? tty_fasync+0x2c0/0x2c0 [ 41.749419] do_vfs_ioctl+0x75a/0xff0 [ 41.753196] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.757582] ? vfs_write+0x319/0x4d0 [ 41.761273] ? SyS_write+0x14d/0x210 [ 41.764964] ? security_file_ioctl+0x83/0xb0 [ 41.769351] SyS_ioctl+0x7f/0xb0 [ 41.772692] ? do_vfs_ioctl+0xff0/0xff0 [ 41.776643] do_syscall_64+0x1d5/0x640 [ 41.780511] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.785682] RIP: 0033:0x7f2bc6a73099 executing program [ 41.789369] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.797050] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 41.804358] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.811675] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 41.818929] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 41.826177] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 41.838083] FAULT_INJECTION: forcing a failure. [ 41.838083] name failslab, interval 1, probability 0, space 0, times 0 [ 41.849484] CPU: 0 PID: 8040 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 41.857350] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 41.866683] Call Trace: [ 41.869251] dump_stack+0x1b2/0x281 [ 41.872858] should_fail.cold+0x10a/0x149 [ 41.876987] should_failslab+0xd6/0x130 [ 41.880939] __kmalloc+0x2c1/0x400 [ 41.884456] ? __kfifo_alloc+0xdc/0x240 [ 41.888406] __kfifo_alloc+0xdc/0x240 [ 41.892195] gsm_dlci_alloc+0xd4/0x460 [ 41.896082] gsm_activate_mux+0x22e/0x2e0 [ 41.900205] gsmld_open+0x4ed/0x7b0 [ 41.903808] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 41.908029] tty_ldisc_open+0x6c/0xb0 [ 41.911828] tty_set_ldisc+0x287/0x5d0 [ 41.915692] tty_ioctl+0xa2a/0x1430 [ 41.919295] ? tty_fasync+0x2c0/0x2c0 [ 41.923162] ? proc_fail_nth_write+0x7b/0x180 [ 41.927632] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.932627] ? fsnotify+0x974/0x11b0 [ 41.936321] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 41.941228] ? debug_check_no_obj_freed+0x2c0/0x680 [ 41.946224] ? tty_fasync+0x2c0/0x2c0 [ 41.950001] do_vfs_ioctl+0x75a/0xff0 [ 41.953785] ? ioctl_preallocate+0x1a0/0x1a0 [ 41.958181] ? vfs_write+0x319/0x4d0 [ 41.961894] ? SyS_write+0x14d/0x210 [ 41.965603] ? security_file_ioctl+0x83/0xb0 [ 41.970009] SyS_ioctl+0x7f/0xb0 [ 41.973362] ? do_vfs_ioctl+0xff0/0xff0 [ 41.977322] do_syscall_64+0x1d5/0x640 [ 41.981191] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.986359] RIP: 0033:0x7f2bc6a73099 executing program [ 41.990046] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.997730] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 42.004976] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.012336] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 42.019588] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.026833] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 42.039722] FAULT_INJECTION: forcing a failure. [ 42.039722] name failslab, interval 1, probability 0, space 0, times 0 [ 42.051346] CPU: 0 PID: 8041 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 42.059214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.068809] Call Trace: [ 42.071377] dump_stack+0x1b2/0x281 [ 42.074982] should_fail.cold+0x10a/0x149 [ 42.079110] should_failslab+0xd6/0x130 [ 42.083058] __kmalloc+0x2c1/0x400 [ 42.086572] ? __kfifo_alloc+0xdc/0x240 [ 42.090534] __kfifo_alloc+0xdc/0x240 [ 42.094314] gsm_dlci_alloc+0xd4/0x460 [ 42.098175] gsm_activate_mux+0x22e/0x2e0 [ 42.102300] gsmld_open+0x4ed/0x7b0 [ 42.105902] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 42.110117] tty_ldisc_open+0x6c/0xb0 [ 42.113893] tty_set_ldisc+0x287/0x5d0 [ 42.117763] tty_ioctl+0xa2a/0x1430 [ 42.121368] ? tty_fasync+0x2c0/0x2c0 [ 42.125144] ? proc_fail_nth_write+0x7b/0x180 [ 42.129614] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.134524] ? fsnotify+0x974/0x11b0 [ 42.138213] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.143115] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.148106] ? tty_fasync+0x2c0/0x2c0 [ 42.151881] do_vfs_ioctl+0x75a/0xff0 [ 42.155658] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.160041] ? vfs_write+0x319/0x4d0 [ 42.163730] ? SyS_write+0x14d/0x210 [ 42.167434] ? security_file_ioctl+0x83/0xb0 [ 42.171823] SyS_ioctl+0x7f/0xb0 [ 42.175166] ? do_vfs_ioctl+0xff0/0xff0 [ 42.179116] do_syscall_64+0x1d5/0x640 [ 42.182988] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.188156] RIP: 0033:0x7f2bc6a73099 executing program [ 42.191841] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.199527] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 42.206771] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.214019] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 42.221263] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.228509] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 42.241363] FAULT_INJECTION: forcing a failure. [ 42.241363] name failslab, interval 1, probability 0, space 0, times 0 [ 42.252752] CPU: 0 PID: 8042 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 42.260614] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.269948] Call Trace: [ 42.272517] dump_stack+0x1b2/0x281 [ 42.276123] should_fail.cold+0x10a/0x149 [ 42.280255] should_failslab+0xd6/0x130 [ 42.284216] __kmalloc+0x2c1/0x400 [ 42.287734] ? __kfifo_alloc+0xdc/0x240 [ 42.291684] __kfifo_alloc+0xdc/0x240 [ 42.295462] gsm_dlci_alloc+0xd4/0x460 [ 42.299333] gsm_activate_mux+0x22e/0x2e0 [ 42.303456] gsmld_open+0x4ed/0x7b0 [ 42.307065] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 42.311277] tty_ldisc_open+0x6c/0xb0 [ 42.315056] tty_set_ldisc+0x287/0x5d0 [ 42.318918] tty_ioctl+0xa2a/0x1430 [ 42.322608] ? tty_fasync+0x2c0/0x2c0 [ 42.326385] ? proc_fail_nth_write+0x7b/0x180 [ 42.330856] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.335762] ? fsnotify+0x974/0x11b0 [ 42.339450] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.344354] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.349346] ? tty_fasync+0x2c0/0x2c0 [ 42.353122] do_vfs_ioctl+0x75a/0xff0 [ 42.356896] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.361280] ? vfs_write+0x319/0x4d0 [ 42.364969] ? SyS_write+0x14d/0x210 [ 42.368658] ? security_file_ioctl+0x83/0xb0 [ 42.373043] SyS_ioctl+0x7f/0xb0 [ 42.376386] ? do_vfs_ioctl+0xff0/0xff0 [ 42.380337] do_syscall_64+0x1d5/0x640 [ 42.384201] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.389369] RIP: 0033:0x7f2bc6a73099 executing program [ 42.393063] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.400844] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 42.408090] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.415334] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 42.422578] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.429931] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 42.441546] FAULT_INJECTION: forcing a failure. [ 42.441546] name failslab, interval 1, probability 0, space 0, times 0 [ 42.452949] CPU: 0 PID: 8043 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 42.460813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.470142] Call Trace: [ 42.472712] dump_stack+0x1b2/0x281 [ 42.476322] should_fail.cold+0x10a/0x149 [ 42.480448] should_failslab+0xd6/0x130 [ 42.484401] __kmalloc+0x2c1/0x400 [ 42.487923] ? __kfifo_alloc+0xdc/0x240 [ 42.491878] __kfifo_alloc+0xdc/0x240 [ 42.495656] gsm_dlci_alloc+0xd4/0x460 [ 42.499519] gsm_activate_mux+0x22e/0x2e0 [ 42.503641] gsmld_open+0x4ed/0x7b0 [ 42.507241] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 42.511450] tty_ldisc_open+0x6c/0xb0 [ 42.515225] tty_set_ldisc+0x287/0x5d0 [ 42.519089] tty_ioctl+0xa2a/0x1430 [ 42.522691] ? tty_fasync+0x2c0/0x2c0 [ 42.526475] ? proc_fail_nth_write+0x7b/0x180 [ 42.530983] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.535889] ? fsnotify+0x974/0x11b0 [ 42.539585] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.544502] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.549501] ? tty_fasync+0x2c0/0x2c0 [ 42.553285] do_vfs_ioctl+0x75a/0xff0 [ 42.557073] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.561456] ? vfs_write+0x319/0x4d0 [ 42.565144] ? SyS_write+0x14d/0x210 [ 42.568843] ? security_file_ioctl+0x83/0xb0 [ 42.573233] SyS_ioctl+0x7f/0xb0 [ 42.576579] ? do_vfs_ioctl+0xff0/0xff0 [ 42.580527] do_syscall_64+0x1d5/0x640 [ 42.584391] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.589556] RIP: 0033:0x7f2bc6a73099 executing program [ 42.593241] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.600921] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 42.608175] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.615420] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 42.622665] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.629918] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 42.641559] FAULT_INJECTION: forcing a failure. [ 42.641559] name failslab, interval 1, probability 0, space 0, times 0 [ 42.652961] CPU: 0 PID: 8044 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 42.660821] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.670147] Call Trace: [ 42.672710] dump_stack+0x1b2/0x281 [ 42.676312] should_fail.cold+0x10a/0x149 [ 42.680438] should_failslab+0xd6/0x130 [ 42.684388] __kmalloc+0x2c1/0x400 [ 42.687903] ? __kfifo_alloc+0xdc/0x240 [ 42.691851] __kfifo_alloc+0xdc/0x240 [ 42.695629] gsm_dlci_alloc+0xd4/0x460 [ 42.699493] gsm_activate_mux+0x22e/0x2e0 [ 42.703614] gsmld_open+0x4ed/0x7b0 [ 42.707218] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 42.711431] tty_ldisc_open+0x6c/0xb0 [ 42.715208] tty_set_ldisc+0x287/0x5d0 [ 42.719071] tty_ioctl+0xa2a/0x1430 [ 42.722673] ? tty_fasync+0x2c0/0x2c0 [ 42.726450] ? proc_fail_nth_write+0x7b/0x180 [ 42.730919] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.735826] ? fsnotify+0x974/0x11b0 [ 42.739522] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.744427] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.749420] ? tty_fasync+0x2c0/0x2c0 [ 42.753197] do_vfs_ioctl+0x75a/0xff0 [ 42.756974] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.761359] ? vfs_write+0x319/0x4d0 [ 42.765048] ? SyS_write+0x14d/0x210 [ 42.768735] ? security_file_ioctl+0x83/0xb0 [ 42.773122] SyS_ioctl+0x7f/0xb0 [ 42.776473] ? do_vfs_ioctl+0xff0/0xff0 [ 42.780423] do_syscall_64+0x1d5/0x640 [ 42.784289] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.789456] RIP: 0033:0x7f2bc6a73099 executing program [ 42.793148] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.800927] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 42.808177] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.815429] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 42.822689] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.829932] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 42.842072] FAULT_INJECTION: forcing a failure. [ 42.842072] name failslab, interval 1, probability 0, space 0, times 0 [ 42.853475] CPU: 0 PID: 8045 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 42.861337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 42.871453] Call Trace: [ 42.874022] dump_stack+0x1b2/0x281 [ 42.877631] should_fail.cold+0x10a/0x149 [ 42.881756] should_failslab+0xd6/0x130 [ 42.885706] __kmalloc+0x2c1/0x400 [ 42.889221] ? __kfifo_alloc+0xdc/0x240 [ 42.893185] __kfifo_alloc+0xdc/0x240 [ 42.896966] gsm_dlci_alloc+0xd4/0x460 [ 42.900829] gsm_activate_mux+0x22e/0x2e0 [ 42.904951] gsmld_open+0x4ed/0x7b0 [ 42.908551] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 42.912759] tty_ldisc_open+0x6c/0xb0 [ 42.916533] tty_set_ldisc+0x287/0x5d0 [ 42.920485] tty_ioctl+0xa2a/0x1430 [ 42.924087] ? tty_fasync+0x2c0/0x2c0 [ 42.927862] ? proc_fail_nth_write+0x7b/0x180 [ 42.932332] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.937412] ? fsnotify+0x974/0x11b0 [ 42.941097] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 42.946001] ? debug_check_no_obj_freed+0x2c0/0x680 [ 42.950997] ? tty_fasync+0x2c0/0x2c0 [ 42.954775] do_vfs_ioctl+0x75a/0xff0 [ 42.958553] ? ioctl_preallocate+0x1a0/0x1a0 [ 42.962941] ? vfs_write+0x319/0x4d0 [ 42.966633] ? SyS_write+0x14d/0x210 [ 42.970321] ? security_file_ioctl+0x83/0xb0 [ 42.974703] SyS_ioctl+0x7f/0xb0 [ 42.978049] ? do_vfs_ioctl+0xff0/0xff0 [ 42.981996] do_syscall_64+0x1d5/0x640 [ 42.985881] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.991057] RIP: 0033:0x7f2bc6a73099 executing program [ 42.994753] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.002458] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 43.009719] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.016974] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 43.024223] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.031488] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 43.043688] FAULT_INJECTION: forcing a failure. [ 43.043688] name failslab, interval 1, probability 0, space 0, times 0 [ 43.054971] CPU: 0 PID: 8046 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 43.062838] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.072177] Call Trace: [ 43.074745] dump_stack+0x1b2/0x281 [ 43.078358] should_fail.cold+0x10a/0x149 [ 43.082485] should_failslab+0xd6/0x130 [ 43.086446] __kmalloc+0x2c1/0x400 [ 43.089960] ? __kfifo_alloc+0xdc/0x240 [ 43.093908] __kfifo_alloc+0xdc/0x240 [ 43.097685] gsm_dlci_alloc+0xd4/0x460 [ 43.101547] gsm_activate_mux+0x22e/0x2e0 [ 43.105670] gsmld_open+0x4ed/0x7b0 [ 43.109269] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 43.113479] tty_ldisc_open+0x6c/0xb0 [ 43.117261] tty_set_ldisc+0x287/0x5d0 [ 43.121126] tty_ioctl+0xa2a/0x1430 [ 43.124732] ? tty_fasync+0x2c0/0x2c0 [ 43.128506] ? proc_fail_nth_write+0x7b/0x180 [ 43.132980] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.137898] ? retint_kernel+0x2d/0x2d [ 43.141760] ? fsnotify+0x974/0x11b0 [ 43.145449] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.150357] ? tty_fasync+0x2c0/0x2c0 [ 43.154148] do_vfs_ioctl+0x75a/0xff0 [ 43.157939] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.162324] ? vfs_write+0x319/0x4d0 [ 43.166015] ? SyS_write+0x14d/0x210 [ 43.169707] ? security_file_ioctl+0x83/0xb0 [ 43.174090] SyS_ioctl+0x7f/0xb0 [ 43.177441] ? do_vfs_ioctl+0xff0/0xff0 [ 43.181399] do_syscall_64+0x1d5/0x640 [ 43.185264] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.190430] RIP: 0033:0x7f2bc6a73099 executing program [ 43.194122] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.201808] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 43.209051] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.216304] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 43.223550] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.230794] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 43.242930] FAULT_INJECTION: forcing a failure. [ 43.242930] name failslab, interval 1, probability 0, space 0, times 0 [ 43.254490] CPU: 0 PID: 8047 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 43.262441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.271784] Call Trace: [ 43.274352] dump_stack+0x1b2/0x281 [ 43.277957] should_fail.cold+0x10a/0x149 [ 43.282081] should_failslab+0xd6/0x130 [ 43.286031] __kmalloc+0x2c1/0x400 [ 43.289550] ? __kfifo_alloc+0xdc/0x240 [ 43.293504] __kfifo_alloc+0xdc/0x240 [ 43.297284] gsm_dlci_alloc+0xd4/0x460 [ 43.301150] gsm_activate_mux+0x22e/0x2e0 [ 43.305328] gsmld_open+0x4ed/0x7b0 [ 43.308935] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 43.313154] tty_ldisc_open+0x6c/0xb0 [ 43.316931] tty_set_ldisc+0x287/0x5d0 [ 43.320797] tty_ioctl+0xa2a/0x1430 [ 43.324398] ? tty_fasync+0x2c0/0x2c0 [ 43.328178] ? proc_fail_nth_write+0x7b/0x180 [ 43.332668] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.337578] ? fsnotify+0x974/0x11b0 [ 43.341273] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.346177] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.351170] ? tty_fasync+0x2c0/0x2c0 [ 43.354947] do_vfs_ioctl+0x75a/0xff0 [ 43.358732] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.363120] ? vfs_write+0x319/0x4d0 [ 43.366900] ? SyS_write+0x14d/0x210 [ 43.370591] ? security_file_ioctl+0x83/0xb0 [ 43.374973] SyS_ioctl+0x7f/0xb0 [ 43.378312] ? do_vfs_ioctl+0xff0/0xff0 [ 43.382347] do_syscall_64+0x1d5/0x640 [ 43.386212] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.391378] RIP: 0033:0x7f2bc6a73099 executing program [ 43.395061] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.402745] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 43.409990] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.417238] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 43.424484] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.431728] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 43.443693] FAULT_INJECTION: forcing a failure. [ 43.443693] name failslab, interval 1, probability 0, space 0, times 0 [ 43.454965] CPU: 0 PID: 8048 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 43.462935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.472321] Call Trace: [ 43.474905] dump_stack+0x1b2/0x281 [ 43.478538] should_fail.cold+0x10a/0x149 [ 43.482663] should_failslab+0xd6/0x130 [ 43.486613] __kmalloc+0x2c1/0x400 [ 43.490128] ? __kfifo_alloc+0xdc/0x240 [ 43.494081] __kfifo_alloc+0xdc/0x240 [ 43.497873] gsm_dlci_alloc+0xd4/0x460 [ 43.501739] gsm_activate_mux+0x22e/0x2e0 [ 43.505868] gsmld_open+0x4ed/0x7b0 [ 43.509475] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 43.513704] tty_ldisc_open+0x6c/0xb0 [ 43.517487] tty_set_ldisc+0x287/0x5d0 [ 43.521386] tty_ioctl+0xa2a/0x1430 [ 43.525021] ? tty_fasync+0x2c0/0x2c0 [ 43.528800] ? proc_fail_nth_write+0x7b/0x180 [ 43.533292] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.538208] ? fsnotify+0x974/0x11b0 [ 43.541897] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.546827] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.551820] ? tty_fasync+0x2c0/0x2c0 [ 43.555598] do_vfs_ioctl+0x75a/0xff0 [ 43.559376] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.563765] ? vfs_write+0x319/0x4d0 [ 43.567455] ? SyS_write+0x14d/0x210 [ 43.571151] ? security_file_ioctl+0x83/0xb0 [ 43.575538] SyS_ioctl+0x7f/0xb0 [ 43.578880] ? do_vfs_ioctl+0xff0/0xff0 [ 43.582841] do_syscall_64+0x1d5/0x640 [ 43.586715] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.591879] RIP: 0033:0x7f2bc6a73099 executing program [ 43.595563] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.603255] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 43.610499] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.617743] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 43.625014] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.632276] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 43.644118] FAULT_INJECTION: forcing a failure. [ 43.644118] name failslab, interval 1, probability 0, space 0, times 0 [ 43.655513] CPU: 0 PID: 8049 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 43.663374] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.672707] Call Trace: [ 43.675274] dump_stack+0x1b2/0x281 [ 43.678881] should_fail.cold+0x10a/0x149 [ 43.683008] should_failslab+0xd6/0x130 [ 43.686959] __kmalloc+0x2c1/0x400 [ 43.690482] ? __kfifo_alloc+0xdc/0x240 [ 43.694440] __kfifo_alloc+0xdc/0x240 [ 43.698218] gsm_dlci_alloc+0xd4/0x460 [ 43.702088] gsm_activate_mux+0x22e/0x2e0 [ 43.706214] gsmld_open+0x4ed/0x7b0 [ 43.709817] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 43.714034] tty_ldisc_open+0x6c/0xb0 [ 43.717813] tty_set_ldisc+0x287/0x5d0 [ 43.721680] tty_ioctl+0xa2a/0x1430 [ 43.725285] ? tty_fasync+0x2c0/0x2c0 [ 43.729062] ? proc_fail_nth_write+0x7b/0x180 [ 43.733539] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.738446] ? fsnotify+0x974/0x11b0 [ 43.742133] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.747037] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.752031] ? tty_fasync+0x2c0/0x2c0 [ 43.755807] do_vfs_ioctl+0x75a/0xff0 [ 43.759585] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.763975] ? vfs_write+0x319/0x4d0 [ 43.767667] ? SyS_write+0x14d/0x210 [ 43.771357] ? security_file_ioctl+0x83/0xb0 [ 43.775744] SyS_ioctl+0x7f/0xb0 [ 43.779111] ? do_vfs_ioctl+0xff0/0xff0 [ 43.783068] do_syscall_64+0x1d5/0x640 [ 43.786936] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.792100] RIP: 0033:0x7f2bc6a73099 executing program [ 43.795788] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.803473] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 43.810721] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.817973] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 43.825221] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.832467] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 43.844917] FAULT_INJECTION: forcing a failure. [ 43.844917] name failslab, interval 1, probability 0, space 0, times 0 [ 43.856220] CPU: 0 PID: 8050 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 43.864091] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 43.873425] Call Trace: [ 43.875994] dump_stack+0x1b2/0x281 [ 43.879608] should_fail.cold+0x10a/0x149 [ 43.883851] should_failslab+0xd6/0x130 [ 43.887807] __kmalloc+0x2c1/0x400 [ 43.891325] ? __kfifo_alloc+0xdc/0x240 [ 43.895281] __kfifo_alloc+0xdc/0x240 [ 43.899059] gsm_dlci_alloc+0xd4/0x460 [ 43.902937] gsm_activate_mux+0x22e/0x2e0 [ 43.907072] gsmld_open+0x4ed/0x7b0 [ 43.910677] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 43.914899] tty_ldisc_open+0x6c/0xb0 [ 43.918686] tty_set_ldisc+0x287/0x5d0 [ 43.922556] tty_ioctl+0xa2a/0x1430 [ 43.926164] ? tty_fasync+0x2c0/0x2c0 [ 43.929954] ? proc_fail_nth_write+0x7b/0x180 [ 43.934434] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.939361] ? fsnotify+0x974/0x11b0 [ 43.943060] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 43.947975] ? debug_check_no_obj_freed+0x2c0/0x680 [ 43.952980] ? tty_fasync+0x2c0/0x2c0 [ 43.956758] do_vfs_ioctl+0x75a/0xff0 [ 43.960543] ? ioctl_preallocate+0x1a0/0x1a0 [ 43.964934] ? vfs_write+0x319/0x4d0 [ 43.968627] ? SyS_write+0x14d/0x210 [ 43.972318] ? security_file_ioctl+0x83/0xb0 [ 43.976704] SyS_ioctl+0x7f/0xb0 [ 43.980046] ? do_vfs_ioctl+0xff0/0xff0 [ 43.983997] do_syscall_64+0x1d5/0x640 [ 43.987866] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 43.993041] RIP: 0033:0x7f2bc6a73099 executing program [ 43.996726] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.004408] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 44.011655] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.018913] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 44.026167] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.033416] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.045314] FAULT_INJECTION: forcing a failure. [ 44.045314] name failslab, interval 1, probability 0, space 0, times 0 [ 44.056762] CPU: 0 PID: 8051 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 44.064746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 44.074169] Call Trace: [ 44.076739] dump_stack+0x1b2/0x281 [ 44.080347] should_fail.cold+0x10a/0x149 [ 44.084476] should_failslab+0xd6/0x130 [ 44.088428] __kmalloc+0x2c1/0x400 [ 44.091954] ? __kfifo_alloc+0xdc/0x240 [ 44.095912] __kfifo_alloc+0xdc/0x240 [ 44.099705] gsm_dlci_alloc+0xd4/0x460 [ 44.103578] gsm_activate_mux+0x22e/0x2e0 [ 44.107894] gsmld_open+0x4ed/0x7b0 [ 44.111931] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 44.116141] tty_ldisc_open+0x6c/0xb0 [ 44.119919] tty_set_ldisc+0x287/0x5d0 [ 44.123784] tty_ioctl+0xa2a/0x1430 [ 44.127388] ? tty_fasync+0x2c0/0x2c0 [ 44.131163] ? proc_fail_nth_write+0x7b/0x180 [ 44.135636] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.140546] ? fsnotify+0x974/0x11b0 [ 44.144234] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.149145] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.154140] ? tty_fasync+0x2c0/0x2c0 [ 44.157918] do_vfs_ioctl+0x75a/0xff0 [ 44.161697] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.166240] ? vfs_write+0x319/0x4d0 [ 44.169938] ? SyS_write+0x14d/0x210 [ 44.173639] ? security_file_ioctl+0x83/0xb0 [ 44.178028] SyS_ioctl+0x7f/0xb0 [ 44.181375] ? do_vfs_ioctl+0xff0/0xff0 [ 44.185336] do_syscall_64+0x1d5/0x640 [ 44.189216] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 44.194380] RIP: 0033:0x7f2bc6a73099 executing program [ 44.198068] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.205749] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 44.213000] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.220252] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 44.227505] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.234759] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.253223] FAULT_INJECTION: forcing a failure. [ 44.253223] name failslab, interval 1, probability 0, space 0, times 0 [ 44.264443] CPU: 1 PID: 8052 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 44.272301] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 44.281805] Call Trace: [ 44.284377] dump_stack+0x1b2/0x281 [ 44.287986] should_fail.cold+0x10a/0x149 [ 44.292119] should_failslab+0xd6/0x130 [ 44.296072] __kmalloc+0x2c1/0x400 [ 44.299589] ? __kfifo_alloc+0xdc/0x240 [ 44.303539] __kfifo_alloc+0xdc/0x240 [ 44.307325] gsm_dlci_alloc+0xd4/0x460 [ 44.311196] gsm_activate_mux+0x22e/0x2e0 [ 44.315320] gsmld_open+0x4ed/0x7b0 [ 44.318943] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 44.323242] tty_ldisc_open+0x6c/0xb0 [ 44.327327] tty_set_ldisc+0x287/0x5d0 [ 44.331191] tty_ioctl+0xa2a/0x1430 [ 44.334797] ? tty_fasync+0x2c0/0x2c0 [ 44.338577] ? proc_fail_nth_write+0x7b/0x180 [ 44.343050] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.347959] ? fsnotify+0x974/0x11b0 [ 44.351650] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.356751] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.361749] ? tty_fasync+0x2c0/0x2c0 [ 44.365525] do_vfs_ioctl+0x75a/0xff0 [ 44.369377] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.373769] ? vfs_write+0x319/0x4d0 [ 44.377462] ? SyS_write+0x14d/0x210 [ 44.381167] ? security_file_ioctl+0x83/0xb0 [ 44.385556] SyS_ioctl+0x7f/0xb0 [ 44.388897] ? do_vfs_ioctl+0xff0/0xff0 [ 44.392847] do_syscall_64+0x1d5/0x640 [ 44.396724] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 44.401900] RIP: 0033:0x7f2bc6a73099 [ 44.405591] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.413274] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 44.420520] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.427766] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 44.435012] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.442257] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.455198] FAULT_INJECTION: forcing a failure. [ 44.455198] name failslab, interval 1, probability 0, space 0, times 0 [ 44.466463] CPU: 0 PID: 8053 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 44.474323] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 44.483655] Call Trace: [ 44.486226] dump_stack+0x1b2/0x281 [ 44.489833] should_fail.cold+0x10a/0x149 [ 44.493963] should_failslab+0xd6/0x130 [ 44.497915] __kmalloc+0x2c1/0x400 [ 44.501435] ? __kfifo_alloc+0xdc/0x240 [ 44.505395] __kfifo_alloc+0xdc/0x240 [ 44.509176] gsm_dlci_alloc+0xd4/0x460 [ 44.513039] gsm_activate_mux+0x22e/0x2e0 [ 44.517193] gsmld_open+0x4ed/0x7b0 [ 44.520795] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 44.525011] tty_ldisc_open+0x6c/0xb0 [ 44.528790] tty_set_ldisc+0x287/0x5d0 [ 44.532661] tty_ioctl+0xa2a/0x1430 [ 44.536263] ? tty_fasync+0x2c0/0x2c0 [ 44.540119] ? proc_fail_nth_write+0x7b/0x180 [ 44.544704] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.549617] ? fsnotify+0x974/0x11b0 [ 44.553306] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.558215] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.563210] ? tty_fasync+0x2c0/0x2c0 [ 44.566989] do_vfs_ioctl+0x75a/0xff0 [ 44.570769] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.575155] ? vfs_write+0x319/0x4d0 [ 44.578848] ? SyS_write+0x14d/0x210 [ 44.582545] ? security_file_ioctl+0x83/0xb0 [ 44.586935] SyS_ioctl+0x7f/0xb0 [ 44.590279] ? do_vfs_ioctl+0xff0/0xff0 [ 44.594229] do_syscall_64+0x1d5/0x640 [ 44.598096] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 44.603263] RIP: 0033:0x7f2bc6a73099 [ 44.606951] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.614639] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 44.621891] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.629137] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 44.636386] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.643639] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.656154] FAULT_INJECTION: forcing a failure. [ 44.656154] name failslab, interval 1, probability 0, space 0, times 0 [ 44.667527] CPU: 0 PID: 8054 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 44.675388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 44.684717] Call Trace: [ 44.687288] dump_stack+0x1b2/0x281 [ 44.690896] should_fail.cold+0x10a/0x149 [ 44.695024] should_failslab+0xd6/0x130 [ 44.698976] __kmalloc+0x2c1/0x400 [ 44.702499] ? __kfifo_alloc+0xdc/0x240 [ 44.706459] __kfifo_alloc+0xdc/0x240 [ 44.710238] gsm_dlci_alloc+0xd4/0x460 [ 44.714104] gsm_activate_mux+0x22e/0x2e0 [ 44.718227] gsmld_open+0x4ed/0x7b0 [ 44.721829] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 44.726049] tty_ldisc_open+0x6c/0xb0 [ 44.729835] tty_set_ldisc+0x287/0x5d0 [ 44.733700] tty_ioctl+0xa2a/0x1430 [ 44.737303] ? tty_fasync+0x2c0/0x2c0 [ 44.741080] ? proc_fail_nth_write+0x7b/0x180 [ 44.745550] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.750458] ? fsnotify+0x974/0x11b0 [ 44.754145] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.759050] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.764042] ? tty_fasync+0x2c0/0x2c0 [ 44.767818] do_vfs_ioctl+0x75a/0xff0 [ 44.771598] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.775981] ? vfs_write+0x319/0x4d0 [ 44.779703] ? SyS_write+0x14d/0x210 [ 44.783393] ? security_file_ioctl+0x83/0xb0 [ 44.787923] SyS_ioctl+0x7f/0xb0 [ 44.791276] ? do_vfs_ioctl+0xff0/0xff0 [ 44.795239] do_syscall_64+0x1d5/0x640 [ 44.799122] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 44.804292] RIP: 0033:0x7f2bc6a73099 [ 44.807981] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.815669] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 44.822921] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.830173] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 44.837423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.844671] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.856849] FAULT_INJECTION: forcing a failure. [ 44.856849] name failslab, interval 1, probability 0, space 0, times 0 [ 44.868959] CPU: 0 PID: 8055 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 44.876822] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 44.886153] Call Trace: [ 44.888718] dump_stack+0x1b2/0x281 [ 44.892339] should_fail.cold+0x10a/0x149 [ 44.896468] should_failslab+0xd6/0x130 [ 44.900572] __kmalloc+0x2c1/0x400 [ 44.904090] ? __kfifo_alloc+0xdc/0x240 [ 44.908044] __kfifo_alloc+0xdc/0x240 [ 44.911825] gsm_dlci_alloc+0xd4/0x460 [ 44.915877] gsm_activate_mux+0x22e/0x2e0 [ 44.920212] gsmld_open+0x4ed/0x7b0 [ 44.923825] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 44.928070] tty_ldisc_open+0x6c/0xb0 [ 44.931852] tty_set_ldisc+0x287/0x5d0 [ 44.935722] tty_ioctl+0xa2a/0x1430 [ 44.939330] ? tty_fasync+0x2c0/0x2c0 [ 44.943115] ? proc_fail_nth_write+0x7b/0x180 [ 44.947596] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.952509] ? fsnotify+0x974/0x11b0 [ 44.956204] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 44.961118] ? debug_check_no_obj_freed+0x2c0/0x680 [ 44.966136] ? tty_fasync+0x2c0/0x2c0 [ 44.969937] do_vfs_ioctl+0x75a/0xff0 [ 44.973727] ? ioctl_preallocate+0x1a0/0x1a0 [ 44.978122] ? vfs_write+0x319/0x4d0 [ 44.981825] ? SyS_write+0x14d/0x210 [ 44.985521] ? security_file_ioctl+0x83/0xb0 [ 44.989917] SyS_ioctl+0x7f/0xb0 [ 44.993273] ? do_vfs_ioctl+0xff0/0xff0 [ 44.997239] do_syscall_64+0x1d5/0x640 [ 45.001116] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 45.006289] RIP: 0033:0x7f2bc6a73099 [ 45.009976] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.017662] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 45.024910] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.032166] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 45.039416] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.046665] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.058414] FAULT_INJECTION: forcing a failure. [ 45.058414] name failslab, interval 1, probability 0, space 0, times 0 [ 45.069723] CPU: 0 PID: 8056 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 45.077588] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.086924] Call Trace: [ 45.089511] dump_stack+0x1b2/0x281 [ 45.093128] should_fail.cold+0x10a/0x149 [ 45.097455] should_failslab+0xd6/0x130 [ 45.101414] __kmalloc+0x2c1/0x400 [ 45.104935] ? __kfifo_alloc+0xdc/0x240 [ 45.108978] __kfifo_alloc+0xdc/0x240 [ 45.112760] gsm_dlci_alloc+0xd4/0x460 [ 45.116627] gsm_activate_mux+0x22e/0x2e0 [ 45.120754] gsmld_open+0x4ed/0x7b0 [ 45.124382] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 45.128701] tty_ldisc_open+0x6c/0xb0 [ 45.132487] tty_set_ldisc+0x287/0x5d0 [ 45.136357] tty_ioctl+0xa2a/0x1430 [ 45.139966] ? tty_fasync+0x2c0/0x2c0 [ 45.143751] ? proc_fail_nth_write+0x7b/0x180 [ 45.148220] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.153130] ? fsnotify+0x974/0x11b0 [ 45.156820] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.161723] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.166725] ? tty_fasync+0x2c0/0x2c0 [ 45.170501] do_vfs_ioctl+0x75a/0xff0 [ 45.174277] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.178664] ? vfs_write+0x319/0x4d0 [ 45.182361] ? SyS_write+0x14d/0x210 [ 45.186067] ? security_file_ioctl+0x83/0xb0 [ 45.190454] SyS_ioctl+0x7f/0xb0 [ 45.193794] ? do_vfs_ioctl+0xff0/0xff0 [ 45.197744] do_syscall_64+0x1d5/0x640 [ 45.201609] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 45.206775] RIP: 0033:0x7f2bc6a73099 [ 45.210460] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.218143] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 45.225412] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.232661] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 45.239913] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.247157] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.258907] FAULT_INJECTION: forcing a failure. [ 45.258907] name failslab, interval 1, probability 0, space 0, times 0 [ 45.270296] CPU: 0 PID: 8057 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 45.278263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.287602] Call Trace: [ 45.290182] dump_stack+0x1b2/0x281 [ 45.293801] should_fail.cold+0x10a/0x149 [ 45.297928] should_failslab+0xd6/0x130 [ 45.301881] __kmalloc+0x2c1/0x400 [ 45.305397] ? __kfifo_alloc+0xdc/0x240 [ 45.309348] __kfifo_alloc+0xdc/0x240 [ 45.313132] gsm_dlci_alloc+0xd4/0x460 [ 45.316998] gsm_activate_mux+0x22e/0x2e0 [ 45.321122] gsmld_open+0x4ed/0x7b0 [ 45.324724] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 45.328936] tty_ldisc_open+0x6c/0xb0 [ 45.332727] tty_set_ldisc+0x287/0x5d0 [ 45.336595] tty_ioctl+0xa2a/0x1430 [ 45.340202] ? tty_fasync+0x2c0/0x2c0 [ 45.343981] ? proc_fail_nth_write+0x7b/0x180 [ 45.348453] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.353371] ? fsnotify+0x974/0x11b0 [ 45.357068] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.361975] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.366969] ? tty_fasync+0x2c0/0x2c0 [ 45.370746] do_vfs_ioctl+0x75a/0xff0 [ 45.374533] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.378919] ? vfs_write+0x319/0x4d0 [ 45.382615] ? SyS_write+0x14d/0x210 [ 45.386305] ? security_file_ioctl+0x83/0xb0 [ 45.390701] SyS_ioctl+0x7f/0xb0 [ 45.394045] ? do_vfs_ioctl+0xff0/0xff0 [ 45.397997] do_syscall_64+0x1d5/0x640 [ 45.401866] entry_SYSCALL_64_after_hwframe+0x46/0xbb executing program [ 45.407031] RIP: 0033:0x7f2bc6a73099 [ 45.410719] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.418507] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 45.425754] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.432998] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 45.440423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.447668] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.459391] FAULT_INJECTION: forcing a failure. [ 45.459391] name failslab, interval 1, probability 0, space 0, times 0 [ 45.470785] CPU: 0 PID: 8058 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 45.478647] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.487990] Call Trace: [ 45.490558] dump_stack+0x1b2/0x281 [ 45.494171] should_fail.cold+0x10a/0x149 [ 45.498299] should_failslab+0xd6/0x130 [ 45.502253] __kmalloc+0x2c1/0x400 [ 45.505802] ? __kfifo_alloc+0xdc/0x240 [ 45.509781] __kfifo_alloc+0xdc/0x240 [ 45.513572] gsm_dlci_alloc+0xd4/0x460 [ 45.517449] gsm_activate_mux+0x22e/0x2e0 [ 45.521581] gsmld_open+0x4ed/0x7b0 [ 45.525193] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 45.529416] tty_ldisc_open+0x6c/0xb0 [ 45.533197] tty_set_ldisc+0x287/0x5d0 [ 45.537066] tty_ioctl+0xa2a/0x1430 [ 45.540672] ? tty_fasync+0x2c0/0x2c0 [ 45.544454] ? proc_fail_nth_write+0x7b/0x180 [ 45.548928] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.553837] ? fsnotify+0x974/0x11b0 [ 45.557528] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.562438] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.567430] ? tty_fasync+0x2c0/0x2c0 [ 45.571212] do_vfs_ioctl+0x75a/0xff0 [ 45.574992] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.579388] ? vfs_write+0x319/0x4d0 [ 45.583079] ? SyS_write+0x14d/0x210 [ 45.586773] ? security_file_ioctl+0x83/0xb0 [ 45.591159] SyS_ioctl+0x7f/0xb0 [ 45.594501] ? do_vfs_ioctl+0xff0/0xff0 [ 45.598455] do_syscall_64+0x1d5/0x640 [ 45.602322] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.607488] RIP: 0033:0x7f2bc6a73099 executing program [ 45.611173] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.618857] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 45.626107] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.633354] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 45.640599] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.647848] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.659592] FAULT_INJECTION: forcing a failure. [ 45.659592] name failslab, interval 1, probability 0, space 0, times 0 [ 45.671012] CPU: 0 PID: 8059 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 45.678877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.688209] Call Trace: [ 45.690779] dump_stack+0x1b2/0x281 [ 45.694386] should_fail.cold+0x10a/0x149 [ 45.698512] should_failslab+0xd6/0x130 [ 45.702472] __kmalloc+0x2c1/0x400 [ 45.705995] ? __kfifo_alloc+0xdc/0x240 [ 45.709948] __kfifo_alloc+0xdc/0x240 [ 45.713727] gsm_dlci_alloc+0xd4/0x460 [ 45.717594] gsm_activate_mux+0x22e/0x2e0 [ 45.721718] gsmld_open+0x4ed/0x7b0 [ 45.725324] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 45.729546] tty_ldisc_open+0x6c/0xb0 [ 45.733323] tty_set_ldisc+0x287/0x5d0 [ 45.737194] tty_ioctl+0xa2a/0x1430 [ 45.740797] ? tty_fasync+0x2c0/0x2c0 [ 45.744574] ? proc_fail_nth_write+0x7b/0x180 [ 45.749048] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.753964] ? fsnotify+0x974/0x11b0 [ 45.757652] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.762565] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.767564] ? tty_fasync+0x2c0/0x2c0 [ 45.771340] do_vfs_ioctl+0x75a/0xff0 [ 45.775120] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.779505] ? vfs_write+0x319/0x4d0 [ 45.783197] ? SyS_write+0x14d/0x210 [ 45.786885] ? security_file_ioctl+0x83/0xb0 [ 45.791296] SyS_ioctl+0x7f/0xb0 [ 45.794639] ? do_vfs_ioctl+0xff0/0xff0 [ 45.798590] do_syscall_64+0x1d5/0x640 [ 45.802465] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 45.807728] RIP: 0033:0x7f2bc6a73099 executing program [ 45.811415] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.819097] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 45.826342] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.833588] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 45.840834] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.848081] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 45.860019] FAULT_INJECTION: forcing a failure. [ 45.860019] name failslab, interval 1, probability 0, space 0, times 0 [ 45.871465] CPU: 0 PID: 8060 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 45.879331] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 45.888662] Call Trace: [ 45.891231] dump_stack+0x1b2/0x281 [ 45.894840] should_fail.cold+0x10a/0x149 [ 45.898967] should_failslab+0xd6/0x130 [ 45.902920] __kmalloc+0x2c1/0x400 [ 45.906438] ? __kfifo_alloc+0xdc/0x240 [ 45.910390] __kfifo_alloc+0xdc/0x240 [ 45.914170] gsm_dlci_alloc+0xd4/0x460 [ 45.918058] gsm_activate_mux+0x22e/0x2e0 [ 45.922187] gsmld_open+0x4ed/0x7b0 [ 45.925796] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 45.930022] tty_ldisc_open+0x6c/0xb0 [ 45.933799] tty_set_ldisc+0x287/0x5d0 [ 45.937671] tty_ioctl+0xa2a/0x1430 [ 45.941278] ? tty_fasync+0x2c0/0x2c0 [ 45.945078] ? proc_fail_nth_write+0x7b/0x180 [ 45.949550] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.954459] ? fsnotify+0x974/0x11b0 [ 45.958148] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 45.963055] ? debug_check_no_obj_freed+0x2c0/0x680 [ 45.968049] ? tty_fasync+0x2c0/0x2c0 [ 45.971825] do_vfs_ioctl+0x75a/0xff0 [ 45.975603] ? ioctl_preallocate+0x1a0/0x1a0 [ 45.979987] ? vfs_write+0x319/0x4d0 [ 45.983678] ? SyS_write+0x14d/0x210 [ 45.987377] ? security_file_ioctl+0x83/0xb0 [ 45.991771] SyS_ioctl+0x7f/0xb0 [ 45.995152] ? do_vfs_ioctl+0xff0/0xff0 [ 45.999120] do_syscall_64+0x1d5/0x640 [ 46.002995] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.008165] RIP: 0033:0x7f2bc6a73099 executing program [ 46.011852] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.019546] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 46.026792] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.034169] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 46.041417] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.048681] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.060732] FAULT_INJECTION: forcing a failure. [ 46.060732] name failslab, interval 1, probability 0, space 0, times 0 [ 46.072500] CPU: 0 PID: 8061 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 46.080362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 46.089693] Call Trace: [ 46.092268] dump_stack+0x1b2/0x281 [ 46.095878] should_fail.cold+0x10a/0x149 [ 46.100012] should_failslab+0xd6/0x130 [ 46.103964] __kmalloc+0x2c1/0x400 [ 46.107477] ? __kfifo_alloc+0xdc/0x240 [ 46.111427] __kfifo_alloc+0xdc/0x240 [ 46.115225] gsm_dlci_alloc+0xd4/0x460 [ 46.119099] gsm_activate_mux+0x22e/0x2e0 [ 46.123311] gsmld_open+0x4ed/0x7b0 [ 46.126915] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 46.131130] tty_ldisc_open+0x6c/0xb0 [ 46.134914] tty_set_ldisc+0x287/0x5d0 [ 46.138791] tty_ioctl+0xa2a/0x1430 [ 46.142415] ? tty_fasync+0x2c0/0x2c0 [ 46.146205] ? proc_fail_nth_write+0x7b/0x180 [ 46.150676] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.155583] ? fsnotify+0x974/0x11b0 [ 46.159270] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.164176] ? debug_check_no_obj_freed+0x2c0/0x680 [ 46.169169] ? tty_fasync+0x2c0/0x2c0 [ 46.172947] do_vfs_ioctl+0x75a/0xff0 [ 46.176726] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.181112] ? vfs_write+0x319/0x4d0 [ 46.184805] ? SyS_write+0x14d/0x210 [ 46.188496] ? security_file_ioctl+0x83/0xb0 [ 46.192881] SyS_ioctl+0x7f/0xb0 [ 46.196223] ? do_vfs_ioctl+0xff0/0xff0 [ 46.200180] do_syscall_64+0x1d5/0x640 [ 46.204055] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.209276] RIP: 0033:0x7f2bc6a73099 executing program [ 46.212971] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.220658] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 46.227904] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.235153] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 46.242401] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.249653] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.261404] FAULT_INJECTION: forcing a failure. [ 46.261404] name failslab, interval 1, probability 0, space 0, times 0 [ 46.272802] CPU: 0 PID: 8062 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 46.280665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 46.290088] Call Trace: [ 46.292745] dump_stack+0x1b2/0x281 [ 46.296349] should_fail.cold+0x10a/0x149 [ 46.300473] should_failslab+0xd6/0x130 [ 46.304424] __kmalloc+0x2c1/0x400 [ 46.307940] ? __kfifo_alloc+0xdc/0x240 [ 46.311899] __kfifo_alloc+0xdc/0x240 [ 46.315676] gsm_dlci_alloc+0xd4/0x460 [ 46.319549] gsm_activate_mux+0x22e/0x2e0 [ 46.323673] gsmld_open+0x4ed/0x7b0 [ 46.327273] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 46.331489] tty_ldisc_open+0x6c/0xb0 [ 46.335286] tty_set_ldisc+0x287/0x5d0 [ 46.339161] tty_ioctl+0xa2a/0x1430 [ 46.342852] ? tty_fasync+0x2c0/0x2c0 [ 46.346662] ? proc_fail_nth_write+0x7b/0x180 [ 46.351142] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.356052] ? fsnotify+0x974/0x11b0 [ 46.359834] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.364746] ? debug_check_no_obj_freed+0x2c0/0x680 [ 46.369740] ? tty_fasync+0x2c0/0x2c0 [ 46.373521] do_vfs_ioctl+0x75a/0xff0 [ 46.377308] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.381703] ? vfs_write+0x319/0x4d0 [ 46.385393] ? SyS_write+0x14d/0x210 [ 46.389092] ? security_file_ioctl+0x83/0xb0 [ 46.393473] SyS_ioctl+0x7f/0xb0 [ 46.396815] ? do_vfs_ioctl+0xff0/0xff0 [ 46.400905] do_syscall_64+0x1d5/0x640 [ 46.404783] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.409958] RIP: 0033:0x7f2bc6a73099 executing program [ 46.413658] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.421448] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 46.428695] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.435941] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 46.443188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.450432] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.462554] FAULT_INJECTION: forcing a failure. [ 46.462554] name failslab, interval 1, probability 0, space 0, times 0 [ 46.473823] CPU: 0 PID: 8063 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 46.481690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 46.491019] Call Trace: [ 46.493586] dump_stack+0x1b2/0x281 [ 46.497190] should_fail.cold+0x10a/0x149 [ 46.501313] should_failslab+0xd6/0x130 [ 46.505268] __kmalloc+0x2c1/0x400 [ 46.508785] ? __kfifo_alloc+0xdc/0x240 [ 46.512735] __kfifo_alloc+0xdc/0x240 [ 46.516510] gsm_dlci_alloc+0xd4/0x460 [ 46.520374] gsm_activate_mux+0x22e/0x2e0 [ 46.524500] gsmld_open+0x4ed/0x7b0 [ 46.528101] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 46.532330] tty_ldisc_open+0x6c/0xb0 [ 46.536123] tty_set_ldisc+0x287/0x5d0 [ 46.539987] tty_ioctl+0xa2a/0x1430 [ 46.543589] ? tty_fasync+0x2c0/0x2c0 [ 46.547364] ? proc_fail_nth_write+0x7b/0x180 [ 46.551831] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.556738] ? fsnotify+0x974/0x11b0 [ 46.560434] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.565337] ? debug_check_no_obj_freed+0x2c0/0x680 [ 46.570332] ? tty_fasync+0x2c0/0x2c0 [ 46.574107] do_vfs_ioctl+0x75a/0xff0 [ 46.577887] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.582284] ? vfs_write+0x319/0x4d0 [ 46.585987] ? SyS_write+0x14d/0x210 [ 46.589682] ? security_file_ioctl+0x83/0xb0 [ 46.594070] SyS_ioctl+0x7f/0xb0 [ 46.597420] ? do_vfs_ioctl+0xff0/0xff0 [ 46.601381] do_syscall_64+0x1d5/0x640 [ 46.605251] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.610418] RIP: 0033:0x7f2bc6a73099 executing program [ 46.614107] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.621792] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 46.629047] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.636303] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 46.643552] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.650800] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.662853] FAULT_INJECTION: forcing a failure. [ 46.662853] name failslab, interval 1, probability 0, space 0, times 0 [ 46.674123] CPU: 0 PID: 8064 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 46.681989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 46.691319] Call Trace: [ 46.693901] dump_stack+0x1b2/0x281 [ 46.697505] should_fail.cold+0x10a/0x149 [ 46.701634] should_failslab+0xd6/0x130 [ 46.705592] __kmalloc+0x2c1/0x400 [ 46.709108] ? __kfifo_alloc+0xdc/0x240 [ 46.713060] __kfifo_alloc+0xdc/0x240 [ 46.716835] gsm_dlci_alloc+0xd4/0x460 [ 46.720699] gsm_activate_mux+0x22e/0x2e0 [ 46.724820] gsmld_open+0x4ed/0x7b0 [ 46.728418] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 46.732632] tty_ldisc_open+0x6c/0xb0 [ 46.736411] tty_set_ldisc+0x287/0x5d0 [ 46.740272] tty_ioctl+0xa2a/0x1430 [ 46.743963] ? tty_fasync+0x2c0/0x2c0 [ 46.747759] ? proc_fail_nth_write+0x7b/0x180 [ 46.752230] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.757137] ? fsnotify+0x974/0x11b0 [ 46.760825] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.765729] ? debug_check_no_obj_freed+0x2c0/0x680 [ 46.770719] ? tty_fasync+0x2c0/0x2c0 [ 46.774493] do_vfs_ioctl+0x75a/0xff0 [ 46.778281] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.782674] ? vfs_write+0x319/0x4d0 [ 46.786377] ? SyS_write+0x14d/0x210 [ 46.790067] ? security_file_ioctl+0x83/0xb0 [ 46.794452] SyS_ioctl+0x7f/0xb0 [ 46.797791] ? do_vfs_ioctl+0xff0/0xff0 [ 46.801742] do_syscall_64+0x1d5/0x640 [ 46.805606] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 46.810777] RIP: 0033:0x7f2bc6a73099 executing program [ 46.814461] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.822144] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 46.829393] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.836644] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 46.843900] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.851146] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 46.862794] FAULT_INJECTION: forcing a failure. [ 46.862794] name failslab, interval 1, probability 0, space 0, times 0 [ 46.874388] CPU: 0 PID: 8065 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 46.882248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 46.891583] Call Trace: [ 46.894152] dump_stack+0x1b2/0x281 [ 46.897763] should_fail.cold+0x10a/0x149 [ 46.901901] should_failslab+0xd6/0x130 [ 46.905863] __kmalloc+0x2c1/0x400 [ 46.909386] ? __kfifo_alloc+0xdc/0x240 [ 46.913340] __kfifo_alloc+0xdc/0x240 [ 46.917124] gsm_dlci_alloc+0xd4/0x460 [ 46.920986] gsm_activate_mux+0x22e/0x2e0 [ 46.925110] gsmld_open+0x4ed/0x7b0 [ 46.928712] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 46.932924] tty_ldisc_open+0x6c/0xb0 [ 46.936699] tty_set_ldisc+0x287/0x5d0 [ 46.940564] tty_ioctl+0xa2a/0x1430 [ 46.944170] ? tty_fasync+0x2c0/0x2c0 [ 46.947948] ? proc_fail_nth_write+0x7b/0x180 [ 46.952420] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.957347] ? fsnotify+0x974/0x11b0 [ 46.961218] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 46.966122] ? debug_check_no_obj_freed+0x2c0/0x680 [ 46.971119] ? tty_fasync+0x2c0/0x2c0 [ 46.974894] do_vfs_ioctl+0x75a/0xff0 [ 46.978671] ? ioctl_preallocate+0x1a0/0x1a0 [ 46.983056] ? vfs_write+0x319/0x4d0 [ 46.986754] ? SyS_write+0x14d/0x210 [ 46.990449] ? security_file_ioctl+0x83/0xb0 [ 46.994832] SyS_ioctl+0x7f/0xb0 [ 46.998210] ? do_vfs_ioctl+0xff0/0xff0 [ 47.002160] do_syscall_64+0x1d5/0x640 [ 47.006027] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.011188] RIP: 0033:0x7f2bc6a73099 executing program [ 47.014876] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.022563] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 47.029900] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.037145] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 47.044510] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.051773] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.063957] FAULT_INJECTION: forcing a failure. [ 47.063957] name failslab, interval 1, probability 0, space 0, times 0 [ 47.075247] CPU: 0 PID: 8066 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 47.083117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 47.092979] Call Trace: [ 47.095551] dump_stack+0x1b2/0x281 [ 47.099168] should_fail.cold+0x10a/0x149 [ 47.103296] should_failslab+0xd6/0x130 [ 47.107252] kmem_cache_alloc_trace+0x29a/0x3d0 [ 47.111912] tty_register_device_attr+0x1d2/0x710 [ 47.116733] ? redirected_tty_write+0xb0/0xb0 [ 47.121206] ? __raw_spin_lock_init+0x28/0x100 [ 47.125768] ? tty_port_init+0xa2/0x190 [ 47.129718] ? gsm_dlci_alloc+0x390/0x460 [ 47.133856] gsmld_open+0x548/0x7b0 [ 47.137457] ? gsm_cleanup_mux+0x3f0/0x3f0 [ 47.141676] tty_ldisc_open+0x6c/0xb0 [ 47.145451] tty_set_ldisc+0x287/0x5d0 [ 47.149315] tty_ioctl+0xa2a/0x1430 [ 47.152915] ? tty_fasync+0x2c0/0x2c0 [ 47.156692] ? proc_fail_nth_write+0x7b/0x180 [ 47.161160] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 47.166068] ? fsnotify+0x974/0x11b0 [ 47.169754] ? proc_tgid_io_accounting+0x7a0/0x7a0 [ 47.174659] ? debug_check_no_obj_freed+0x2c0/0x680 [ 47.179657] ? tty_fasync+0x2c0/0x2c0 [ 47.183443] do_vfs_ioctl+0x75a/0xff0 [ 47.187223] ? ioctl_preallocate+0x1a0/0x1a0 [ 47.191605] ? vfs_write+0x319/0x4d0 [ 47.195293] ? SyS_write+0x14d/0x210 [ 47.198982] ? security_file_ioctl+0x83/0xb0 [ 47.203364] SyS_ioctl+0x7f/0xb0 [ 47.206705] ? do_vfs_ioctl+0xff0/0xff0 [ 47.210657] do_syscall_64+0x1d5/0x640 [ 47.214527] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.219691] RIP: 0033:0x7f2bc6a73099 [ 47.223379] RSP: 002b:00007ffd7b74df78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.231061] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f2bc6a73099 [ 47.238305] RDX: 0000000020000000 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.245556] RBP: 00007ffd7b74df90 R08: 0000000000000001 R09: 0000000000000001 [ 47.252887] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.260132] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 47.345245] kasan: CONFIG_KASAN_INLINE enabled [ 47.356979] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 47.369662] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 47.375897] Modules linked in: [ 47.379085] CPU: 0 PID: 8066 Comm: syz-executor887 Not tainted 4.14.295-syzkaller #0 [ 47.386951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 47.396393] task: ffff88809684e300 task.stack: ffff8880a9c40000 [ 47.402454] RIP: 0010:cdev_del+0x22/0x90 [ 47.406505] RSP: 0018:ffff8880a9c47b90 EFLAGS: 00010207 [ 47.411862] RAX: dffffc0000000000 RBX: ffff8880b0a8d600 RCX: 0000000000000000 [ 47.419117] RDX: 000000000000000c RSI: ffff88809684eb88 RDI: 0000000000000064 [ 47.426368] RBP: 0000000000000000 R08: ffffffff8b9c96b0 R09: 0000000000000000 [ 47.433624] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8880b0a8d608 [ 47.440876] R13: ffff8880af02aac8 R14: ffff8880aa6c7380 R15: ffff8880aa6c7f58 [ 47.448124] FS: 0000555555606300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 47.456327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.462187] CR2: 00007ffd019746a7 CR3: 00000000b2c07000 CR4: 00000000003406f0 [ 47.469435] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.476681] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.483930] Call Trace: [ 47.486499] tty_unregister_device+0x101/0x1a0 [ 47.491068] gsmld_close+0xaa/0x1f0 [ 47.494671] ? gsmtty_cleanup+0x150/0x150 [ 47.498795] tty_ldisc_close+0x8c/0xc0 [ 47.502660] tty_ldisc_release+0xe8/0x400 [ 47.506784] tty_release_struct+0x20/0xe0 [ 47.510911] tty_release+0xb3f/0x10d0 [ 47.514689] ? do_tty_hangup+0x30/0x30 [ 47.518550] __fput+0x25f/0x7a0 [ 47.521807] task_work_run+0x11f/0x190 [ 47.525679] do_exit+0xa44/0x2850 [ 47.529108] ? __do_page_fault+0x571/0xad0 [ 47.533318] ? mm_update_next_owner+0x5b0/0x5b0 [ 47.537963] ? lock_downgrade+0x740/0x740 [ 47.542086] do_group_exit+0x100/0x2e0 [ 47.545953] SyS_exit_group+0x19/0x20 [ 47.549747] ? do_group_exit+0x2e0/0x2e0 [ 47.553791] do_syscall_64+0x1d5/0x640 [ 47.557666] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 47.562836] RIP: 0033:0x7f2bc6a71d29 [ 47.566523] RSP: 002b:00007ffd7b74df28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 47.574214] RAX: ffffffffffffffda RBX: 00007f2bc6ae63f0 RCX: 00007f2bc6a71d29 [ 47.581462] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 47.588706] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000001 [ 47.595952] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2bc6ae63f0 [ 47.603217] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 47.610465] Code: 05 3e f7 ff eb d2 0f 1f 00 55 48 89 fd 48 83 ec 08 e8 d3 83 cd ff 48 8d 7d 64 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 4f [ 47.629673] RIP: cdev_del+0x22/0x90 RSP: ffff8880a9c47b90 [ 47.649724] ---[ end trace 3d4cc9b755cec55b ]--- [ 47.654517] Kernel panic - not syncing: Fatal exception [ 47.660072] Kernel Offset: disabled [ 47.663684] Rebooting in 86400 seconds..