[ 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 '10.128.0.71' (ECDSA) to the list of known hosts. syzkaller login: [ 34.413169] FAULT_INJECTION: forcing a failure. [ 34.413169] name failslab, interval 1, probability 0, space 0, times 1 [ 34.417897] FAULT_INJECTION: forcing a failure. [ 34.417897] name failslab, interval 1, probability 0, space 0, times 1 [ 34.433415] FAULT_INJECTION: forcing a failure. [ 34.433415] name failslab, interval 1, probability 0, space 0, times 1 [ 34.438970] FAULT_INJECTION: forcing a failure. [ 34.438970] name failslab, interval 1, probability 0, space 0, times 1 [ 34.449201] FAULT_INJECTION: forcing a failure. [ 34.449201] name failslab, interval 1, probability 0, space 0, times 1 [ 34.459427] FAULT_INJECTION: forcing a failure. [ 34.459427] name failslab, interval 1, probability 0, space 0, times 1 [ 34.470023] CPU: 1 PID: 8092 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 34.489004] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.498359] Call Trace: [ 34.500947] dump_stack+0x1fc/0x2ef [ 34.504582] should_fail.cold+0xa/0xf [ 34.508379] ? setup_fault_attr+0x200/0x200 [ 34.512697] ? lock_acquire+0x170/0x3c0 [ 34.516681] __should_failslab+0x115/0x180 [ 34.520914] should_failslab+0x5/0x10 [ 34.524703] __kmalloc+0x2ab/0x3c0 [ 34.528231] ? __kfifo_alloc+0x174/0x290 [ 34.532282] __kfifo_alloc+0x174/0x290 [ 34.536163] gsm_dlci_alloc+0xd4/0x410 [ 34.540043] gsm_activate_mux+0x1f4/0x290 [ 34.544187] gsmld_open+0x4fa/0x7e0 [ 34.547800] ? gsmld_close+0x1f0/0x1f0 [ 34.551678] tty_ldisc_open+0x81/0xc0 [ 34.555468] tty_set_ldisc+0x2d2/0x650 [ 34.559348] tty_ioctl+0xb4b/0x1630 [ 34.562967] ? tty_fasync+0x300/0x300 [ 34.566759] ? get_pid_task+0xf4/0x190 [ 34.570664] ? proc_fail_nth_write+0x95/0x1d0 [ 34.575149] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.580159] ? mark_held_locks+0xf0/0xf0 [ 34.584214] ? __vfs_write+0xff/0x770 [ 34.588002] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.592929] ? common_file_perm+0x4e5/0x850 [ 34.597241] ? tty_fasync+0x300/0x300 [ 34.601033] do_vfs_ioctl+0xcdb/0x12e0 [ 34.604914] ? vfs_write+0x3d7/0x540 [ 34.608621] ? ioctl_preallocate+0x200/0x200 [ 34.613031] ? lock_downgrade+0x720/0x720 [ 34.617181] ? check_preemption_disabled+0x41/0x280 [ 34.622191] ? vfs_write+0x393/0x540 [ 34.625897] ? ksys_write+0x1c8/0x2a0 [ 34.629689] ksys_ioctl+0x9b/0xc0 [ 34.633132] __x64_sys_ioctl+0x6f/0xb0 [ 34.637010] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.641584] do_syscall_64+0xf9/0x620 [ 34.645386] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.650564] RIP: 0033:0x7fd9cd1f1149 [ 34.654355] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.673250] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.680948] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 34.688207] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 34.695466] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 34.702731] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 34.709988] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 34.717266] CPU: 0 PID: 8098 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 34.725154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.734504] Call Trace: [ 34.737095] dump_stack+0x1fc/0x2ef [ 34.740729] should_fail.cold+0xa/0xf [ 34.744551] ? setup_fault_attr+0x200/0x200 [ 34.748877] ? lock_acquire+0x170/0x3c0 [ 34.752857] __should_failslab+0x115/0x180 [ 34.757091] should_failslab+0x5/0x10 [ 34.760895] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 34.765996] alloc_vmap_area+0x12e/0x980 [ 34.770052] ? setup_fault_attr+0x200/0x200 [ 34.774372] ? lock_acquire+0x170/0x3c0 [ 34.778349] ? check_preemption_disabled+0x41/0x280 [ 34.783361] ? __get_vm_area_node+0x128/0x3a0 [ 34.787856] ? purge_vmap_area_lazy+0xc0/0xc0 [ 34.792349] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.797882] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 34.803151] __get_vm_area_node+0x17b/0x3a0 [ 34.807467] ? n_tty_open+0x16/0x160 [ 34.811175] vzalloc+0xe6/0x1a0 [ 34.814452] ? n_tty_open+0x16/0x160 [ 34.818163] n_tty_open+0x16/0x160 [ 34.821696] ? n_tty_set_termios+0xe10/0xe10 [ 34.826090] tty_ldisc_open+0x81/0xc0 [ 34.829905] tty_ldisc_failto+0x13b/0x1a0 [ 34.834042] tty_set_ldisc+0x4db/0x650 [ 34.837924] tty_ioctl+0xb4b/0x1630 [ 34.841548] ? tty_fasync+0x300/0x300 [ 34.845338] ? get_pid_task+0xf4/0x190 [ 34.849215] ? proc_fail_nth_write+0x95/0x1d0 [ 34.853698] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.858709] ? mark_held_locks+0xf0/0xf0 [ 34.862763] ? __vfs_write+0xff/0x770 [ 34.866552] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 34.871470] ? common_file_perm+0x4e5/0x850 [ 34.875785] ? tty_fasync+0x300/0x300 [ 34.879614] do_vfs_ioctl+0xcdb/0x12e0 [ 34.883493] ? vfs_write+0x3d7/0x540 [ 34.887201] ? ioctl_preallocate+0x200/0x200 [ 34.891628] ? lock_downgrade+0x720/0x720 [ 34.895775] ? check_preemption_disabled+0x41/0x280 [ 34.900785] ? vfs_write+0x393/0x540 [ 34.904490] ? ksys_write+0x1c8/0x2a0 [ 34.908293] ksys_ioctl+0x9b/0xc0 [ 34.911740] __x64_sys_ioctl+0x6f/0xb0 [ 34.915645] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.920220] do_syscall_64+0xf9/0x620 [ 34.924021] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.929199] RIP: 0033:0x7fd9cd1f1149 [ 34.932907] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.951978] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 34.959672] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 34.967018] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 34.974277] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 34.981623] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 34.988882] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 34.996158] CPU: 1 PID: 8101 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 35.004042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.013387] Call Trace: [ 35.015972] dump_stack+0x1fc/0x2ef [ 35.019595] should_fail.cold+0xa/0xf [ 35.023401] ? setup_fault_attr+0x200/0x200 [ 35.027719] ? lock_acquire+0x170/0x3c0 [ 35.031688] __should_failslab+0x115/0x180 [ 35.035913] should_failslab+0x5/0x10 [ 35.039701] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 35.044798] alloc_vmap_area+0x12e/0x980 [ 35.048849] ? setup_fault_attr+0x200/0x200 [ 35.053163] ? lock_acquire+0x170/0x3c0 [ 35.057133] ? check_preemption_disabled+0x41/0x280 [ 35.062138] ? __get_vm_area_node+0x128/0x3a0 [ 35.066625] ? purge_vmap_area_lazy+0xc0/0xc0 [ 35.071116] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.076138] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 35.081428] __get_vm_area_node+0x17b/0x3a0 [ 35.085746] ? n_tty_open+0x16/0x160 [ 35.089462] vzalloc+0xe6/0x1a0 [ 35.092733] ? n_tty_open+0x16/0x160 [ 35.096444] n_tty_open+0x16/0x160 [ 35.100003] ? n_tty_set_termios+0xe10/0xe10 [ 35.104446] tty_ldisc_open+0x81/0xc0 [ 35.108269] tty_ldisc_failto+0x13b/0x1a0 [ 35.112415] tty_set_ldisc+0x4db/0x650 [ 35.116300] tty_ioctl+0xb4b/0x1630 [ 35.119927] ? tty_fasync+0x300/0x300 [ 35.123720] ? get_pid_task+0xf4/0x190 [ 35.127638] ? proc_fail_nth_write+0x95/0x1d0 [ 35.132159] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.137181] ? mark_held_locks+0xf0/0xf0 [ 35.141602] ? __vfs_write+0xff/0x770 [ 35.145570] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.150498] ? common_file_perm+0x4e5/0x850 [ 35.154818] ? tty_fasync+0x300/0x300 [ 35.158614] do_vfs_ioctl+0xcdb/0x12e0 [ 35.162499] ? vfs_write+0x3d7/0x540 [ 35.166202] ? ioctl_preallocate+0x200/0x200 [ 35.170605] ? lock_downgrade+0x720/0x720 [ 35.174751] ? check_preemption_disabled+0x41/0x280 [ 35.179764] ? vfs_write+0x393/0x540 [ 35.183476] ? ksys_write+0x1c8/0x2a0 [ 35.187283] ksys_ioctl+0x9b/0xc0 [ 35.190758] __x64_sys_ioctl+0x6f/0xb0 [ 35.194654] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.199228] do_syscall_64+0xf9/0x620 [ 35.203025] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.208203] RIP: 0033:0x7fd9cd1f1149 [ 35.211930] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.230820] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.238521] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 35.245779] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.253133] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 35.260392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.267649] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 35.274926] CPU: 0 PID: 8097 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 35.282810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.292169] Call Trace: [ 35.294764] dump_stack+0x1fc/0x2ef [ 35.298848] should_fail.cold+0xa/0xf [ 35.302652] ? setup_fault_attr+0x200/0x200 [ 35.306982] ? lock_acquire+0x170/0x3c0 [ 35.310976] __should_failslab+0x115/0x180 [ 35.315311] should_failslab+0x5/0x10 [ 35.319114] __kmalloc+0x2ab/0x3c0 [ 35.322653] ? __kfifo_alloc+0x174/0x290 [ 35.326723] __kfifo_alloc+0x174/0x290 [ 35.330619] gsm_dlci_alloc+0xd4/0x410 [ 35.334514] gsm_activate_mux+0x1f4/0x290 [ 35.338663] gsmld_open+0x4fa/0x7e0 [ 35.342290] ? gsmld_close+0x1f0/0x1f0 [ 35.346174] tty_ldisc_open+0x81/0xc0 [ 35.349976] tty_set_ldisc+0x2d2/0x650 [ 35.353881] tty_ioctl+0xb4b/0x1630 [ 35.357514] ? tty_fasync+0x300/0x300 [ 35.361320] ? get_pid_task+0xf4/0x190 [ 35.365209] ? proc_fail_nth_write+0x95/0x1d0 [ 35.369717] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.374646] ? mark_held_locks+0xf0/0xf0 [ 35.378709] ? __vfs_write+0xff/0x770 [ 35.382521] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.387447] ? common_file_perm+0x4e5/0x850 [ 35.391770] ? tty_fasync+0x300/0x300 [ 35.395590] do_vfs_ioctl+0xcdb/0x12e0 [ 35.399479] ? vfs_write+0x3d7/0x540 [ 35.403190] ? ioctl_preallocate+0x200/0x200 [ 35.407593] ? lock_downgrade+0x720/0x720 [ 35.411742] ? check_preemption_disabled+0x41/0x280 [ 35.416750] ? vfs_write+0x393/0x540 [ 35.420456] ? ksys_write+0x1c8/0x2a0 [ 35.424260] ksys_ioctl+0x9b/0xc0 [ 35.427717] __x64_sys_ioctl+0x6f/0xb0 [ 35.431734] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.436311] do_syscall_64+0xf9/0x620 [ 35.440106] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.445290] RIP: 0033:0x7fd9cd1f1149 [ 35.449003] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.466947] FAULT_INJECTION: forcing a failure. [ 35.466947] name failslab, interval 1, probability 0, space 0, times 0 [ 35.467892] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.467905] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 35.467913] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.467920] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 35.467927] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.467945] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 35.523127] CPU: 1 PID: 8102 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 35.531015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.540361] Call Trace: [ 35.542951] dump_stack+0x1fc/0x2ef [ 35.546576] should_fail.cold+0xa/0xf [ 35.550421] ? setup_fault_attr+0x200/0x200 [ 35.554732] ? lock_acquire+0x170/0x3c0 [ 35.558700] __should_failslab+0x115/0x180 [ 35.562932] should_failslab+0x5/0x10 [ 35.566721] __kmalloc+0x2ab/0x3c0 [ 35.570250] ? __kfifo_alloc+0x174/0x290 [ 35.574308] __kfifo_alloc+0x174/0x290 [ 35.578188] gsm_dlci_alloc+0xd4/0x410 [ 35.582066] gsm_activate_mux+0x1f4/0x290 [ 35.586200] gsmld_open+0x4fa/0x7e0 [ 35.589827] ? gsmld_close+0x1f0/0x1f0 [ 35.593707] tty_ldisc_open+0x81/0xc0 [ 35.597500] tty_set_ldisc+0x2d2/0x650 [ 35.601377] tty_ioctl+0xb4b/0x1630 [ 35.604997] ? tty_fasync+0x300/0x300 [ 35.608789] ? get_pid_task+0xf4/0x190 [ 35.612672] ? proc_fail_nth_write+0x95/0x1d0 [ 35.617159] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.622087] ? mark_held_locks+0xf0/0xf0 [ 35.626235] ? __vfs_write+0xff/0x770 [ 35.630021] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.634937] ? common_file_perm+0x4e5/0x850 [ 35.639252] ? tty_fasync+0x300/0x300 [ 35.643064] do_vfs_ioctl+0xcdb/0x12e0 [ 35.646947] ? vfs_write+0x3d7/0x540 [ 35.650655] ? ioctl_preallocate+0x200/0x200 [ 35.655059] ? lock_downgrade+0x720/0x720 [ 35.659201] ? check_preemption_disabled+0x41/0x280 [ 35.664209] ? vfs_write+0x393/0x540 [ 35.667913] ? ksys_write+0x1c8/0x2a0 [ 35.672147] ksys_ioctl+0x9b/0xc0 [ 35.675594] __x64_sys_ioctl+0x6f/0xb0 [ 35.679473] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.683809] syz-executor297: vmalloc: allocation failure: 9088 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 35.684047] do_syscall_64+0xf9/0x620 [ 35.699081] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.704270] RIP: 0033:0x7fd9cd1f1149 [ 35.707668] syz-executor297 cpuset=/ mems_allowed=0-1 [ 35.707979] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.707990] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.739894] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 35.747160] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.754421] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 35.761685] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.768945] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 35.776337] CPU: 0 PID: 8100 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 35.784241] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.793603] Call Trace: [ 35.796201] dump_stack+0x1fc/0x2ef [ 35.799840] should_fail.cold+0xa/0xf [ 35.803641] ? setup_fault_attr+0x200/0x200 [ 35.807960] ? lock_acquire+0x170/0x3c0 [ 35.811944] __should_failslab+0x115/0x180 [ 35.816268] should_failslab+0x5/0x10 [ 35.820068] __kmalloc+0x2ab/0x3c0 [ 35.823704] ? __kfifo_alloc+0x174/0x290 [ 35.827766] __kfifo_alloc+0x174/0x290 [ 35.831761] gsm_dlci_alloc+0xd4/0x410 [ 35.835656] gsm_activate_mux+0x1f4/0x290 [ 35.839883] gsmld_open+0x4fa/0x7e0 [ 35.843518] ? gsmld_close+0x1f0/0x1f0 [ 35.847499] tty_ldisc_open+0x81/0xc0 [ 35.851302] tty_set_ldisc+0x2d2/0x650 [ 35.855183] tty_ioctl+0xb4b/0x1630 [ 35.858808] ? tty_fasync+0x300/0x300 [ 35.862599] ? get_pid_task+0xf4/0x190 [ 35.866479] ? proc_fail_nth_write+0x95/0x1d0 [ 35.870967] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.875888] ? mark_held_locks+0xf0/0xf0 [ 35.879942] ? __vfs_write+0xff/0x770 [ 35.883733] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.888654] ? common_file_perm+0x4e5/0x850 [ 35.892975] ? tty_fasync+0x300/0x300 [ 35.896772] do_vfs_ioctl+0xcdb/0x12e0 [ 35.900652] ? vfs_write+0x3d7/0x540 [ 35.904355] ? ioctl_preallocate+0x200/0x200 [ 35.908753] ? lock_downgrade+0x720/0x720 [ 35.912894] ? check_preemption_disabled+0x41/0x280 [ 35.917924] ? vfs_write+0x393/0x540 [ 35.921630] ? ksys_write+0x1c8/0x2a0 [ 35.925422] ksys_ioctl+0x9b/0xc0 [ 35.928870] __x64_sys_ioctl+0x6f/0xb0 [ 35.932750] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.937320] do_syscall_64+0xf9/0x620 [ 35.941119] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.943428] syz-executor297: vmalloc: allocation failure: 9088 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 35.946324] RIP: 0033:0x7fd9cd1f1149 [ 35.946337] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 35.946343] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.946355] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 35.946363] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 35.946370] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 35.946376] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 35.946389] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 35.973442] syz-executor297 cpuset=/ mems_allowed=0-1 [ 35.981158] CPU: 0 PID: 8098 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 36.039509] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.048866] Call Trace: [ 36.051816] dump_stack+0x1fc/0x2ef [ 36.055725] warn_alloc.cold+0x7b/0x18f [ 36.059704] ? zone_watermark_ok_safe+0x260/0x260 [ 36.064546] ? debug_check_no_obj_freed+0x201/0x490 [ 36.069580] ? mark_held_locks+0xa6/0xf0 [ 36.073775] ? __get_vm_area_node+0x312/0x3a0 [ 36.078272] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.082857] ? __get_vm_area_node+0x2e2/0x3a0 [ 36.087353] ? n_tty_open+0x16/0x160 [ 36.091077] vzalloc+0x15c/0x1a0 [ 36.094455] n_tty_open+0x16/0x160 [ 36.097998] ? n_tty_set_termios+0xe10/0xe10 [ 36.102411] tty_ldisc_open+0x81/0xc0 [ 36.106221] tty_ldisc_failto+0x13b/0x1a0 [ 36.110379] tty_set_ldisc+0x4db/0x650 [ 36.114374] tty_ioctl+0xb4b/0x1630 [ 36.117997] ? tty_fasync+0x300/0x300 [ 36.121808] ? get_pid_task+0xf4/0x190 [ 36.125692] ? proc_fail_nth_write+0x95/0x1d0 [ 36.130183] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.135118] ? mark_held_locks+0xf0/0xf0 [ 36.139180] ? __vfs_write+0xff/0x770 [ 36.142972] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.147898] ? common_file_perm+0x4e5/0x850 [ 36.152227] ? tty_fasync+0x300/0x300 [ 36.156023] do_vfs_ioctl+0xcdb/0x12e0 [ 36.159905] ? vfs_write+0x3d7/0x540 [ 36.163612] ? ioctl_preallocate+0x200/0x200 [ 36.168014] ? lock_downgrade+0x720/0x720 [ 36.172157] ? check_preemption_disabled+0x41/0x280 [ 36.177174] ? vfs_write+0x393/0x540 [ 36.180975] ? ksys_write+0x1c8/0x2a0 [ 36.184777] ksys_ioctl+0x9b/0xc0 [ 36.188224] __x64_sys_ioctl+0x6f/0xb0 [ 36.192107] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.196684] do_syscall_64+0xf9/0x620 [ 36.200483] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.205666] RIP: 0033:0x7fd9cd1f1149 [ 36.209371] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 36.228267] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.235977] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 36.239038] FAULT_INJECTION: forcing a failure. [ 36.239038] name failslab, interval 1, probability 0, space 0, times 0 [ 36.243243] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.243250] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 36.243256] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.243262] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 36.245925] Mem-Info: [ 36.264608] CPU: 1 PID: 8101 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 36.273247] FAULT_INJECTION: forcing a failure. [ 36.273247] name failslab, interval 1, probability 0, space 0, times 0 [ 36.276748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.276753] Call Trace: [ 36.276773] dump_stack+0x1fc/0x2ef [ 36.276790] warn_alloc.cold+0x7b/0x18f [ 36.276808] ? zone_watermark_ok_safe+0x260/0x260 [ 36.284192] active_anon:5594 inactive_anon:4719 isolated_anon:0 [ 36.284192] active_file:5342 inactive_file:9932 isolated_file:0 [ 36.284192] unevictable:0 dirty:5946 writeback:0 unstable:0 [ 36.284192] slab_reclaimable:16125 slab_unreclaimable:113528 [ 36.284192] mapped:3674 shmem:4898 pagetables:391 bounce:0 [ 36.284192] free:1531243 free_pcp:446 free_cma:0 [ 36.286469] ? debug_check_no_obj_freed+0x201/0x490 [ 36.286488] ? mark_held_locks+0xa6/0xf0 [ 36.286502] ? __get_vm_area_node+0x312/0x3a0 [ 36.286518] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.305584] Node 0 active_anon:22376kB inactive_anon:18876kB active_file:21244kB inactive_file:39728kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14696kB dirty:23776kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.314912] ? __get_vm_area_node+0x2e2/0x3a0 [ 36.314930] ? n_tty_open+0x16/0x160 [ 36.314944] vzalloc+0x15c/0x1a0 [ 36.314960] n_tty_open+0x16/0x160 [ 36.327835] Node 1 active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.330101] ? n_tty_set_termios+0xe10/0xe10 [ 36.330113] tty_ldisc_open+0x81/0xc0 [ 36.330144] tty_ldisc_failto+0x13b/0x1a0 [ 36.401384] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.410205] tty_set_ldisc+0x4db/0x650 [ 36.410224] tty_ioctl+0xb4b/0x1630 [ 36.410239] ? tty_fasync+0x300/0x300 [ 36.410257] ? get_pid_task+0xf4/0x190 [ 36.429141] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 36.451044] ? proc_fail_nth_write+0x95/0x1d0 [ 36.451058] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.451074] ? mark_held_locks+0xf0/0xf0 [ 36.451090] ? __vfs_write+0xff/0x770 [ 36.451101] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.451114] ? common_file_perm+0x4e5/0x850 [ 36.451133] ? tty_fasync+0x300/0x300 [ 36.483317] Node 0 DMA32 free:2070520kB min:35996kB low:44992kB high:53988kB active_anon:22376kB inactive_anon:18876kB active_file:21244kB inactive_file:39728kB unevictable:0kB writepending:23776kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6848kB pagetables:1564kB bounce:0kB free_pcp:1784kB local_pcp:852kB free_cma:0kB [ 36.489653] do_vfs_ioctl+0xcdb/0x12e0 [ 36.489670] ? vfs_write+0x3d7/0x540 [ 36.489685] ? ioctl_preallocate+0x200/0x200 [ 36.504669] lowmem_reserve[]: 0 0 1 1 1 [ 36.504837] ? lock_downgrade+0x720/0x720 [ 36.515563] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.519234] ? check_preemption_disabled+0x41/0x280 [ 36.519254] ? vfs_write+0x393/0x540 [ 36.519269] ? ksys_write+0x1c8/0x2a0 [ 36.532369] lowmem_reserve[]: 0 0 0 0 0 [ 36.536333] ksys_ioctl+0x9b/0xc0 [ 36.536360] __x64_sys_ioctl+0x6f/0xb0 [ 36.536375] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.536387] do_syscall_64+0xf9/0x620 [ 36.536404] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.543640] Node 1 Normal free:4038536kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.570409] RIP: 0033:0x7fd9cd1f1149 [ 36.570422] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 36.570428] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.570440] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 36.570447] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.570454] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 36.570460] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.570466] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 36.572355] CPU: 1 PID: 8099 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 36.624773] lowmem_reserve[]: 0 0 0 0 0 [ 36.625057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.637749] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 36.640083] Call Trace: [ 36.640106] dump_stack+0x1fc/0x2ef [ 36.640128] should_fail.cold+0xa/0xf [ 36.660191] Node 0 DMA32: 1348*4kB (UM) 160*8kB (UME) 232*16kB (U) 84*32kB (UME) 14*64kB (UME) 5*128kB (UME) 1*256kB (U) 3*512kB (UE) 2*1024kB (ME) 2*2048kB (UE) 500*4096kB (M) = 2070544kB [ 36.681201] ? setup_fault_attr+0x200/0x200 [ 36.681216] ? lock_acquire+0x170/0x3c0 [ 36.681234] __should_failslab+0x115/0x180 [ 36.681249] should_failslab+0x5/0x10 [ 36.681263] __kmalloc+0x2ab/0x3c0 [ 36.736935] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 36.740629] ? __kfifo_alloc+0x174/0x290 [ 36.740646] __kfifo_alloc+0x174/0x290 [ 36.740664] gsm_dlci_alloc+0xd4/0x410 [ 36.740680] gsm_activate_mux+0x1f4/0x290 [ 36.771337] Node 1 Normal: 100*4kB (UE) 381*8kB (UE) 303*16kB (UME) 73*32kB (UME) 28*64kB (UME) 18*128kB (UME) 12*256kB (UME) 7*512kB (UME) 3*1024kB (UM) 0*2048kB 980*4096kB (M) = 4038536kB [ 36.782782] gsmld_open+0x4fa/0x7e0 [ 36.782796] ? gsmld_close+0x1f0/0x1f0 [ 36.782808] tty_ldisc_open+0x81/0xc0 [ 36.782819] tty_set_ldisc+0x2d2/0x650 [ 36.782834] tty_ioctl+0xb4b/0x1630 [ 36.782853] ? tty_fasync+0x300/0x300 [ 36.809844] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 36.813996] ? get_pid_task+0xf4/0x190 [ 36.814012] ? proc_fail_nth_write+0x95/0x1d0 [ 36.814024] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.814039] ? mark_held_locks+0xf0/0xf0 [ 36.814059] ? __vfs_write+0xff/0x770 [ 36.827014] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.829617] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.829633] ? common_file_perm+0x4e5/0x850 [ 36.829653] ? tty_fasync+0x300/0x300 [ 36.869472] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 36.873542] do_vfs_ioctl+0xcdb/0x12e0 [ 36.873559] ? vfs_write+0x3d7/0x540 [ 36.873571] ? ioctl_preallocate+0x200/0x200 [ 36.873591] ? lock_downgrade+0x720/0x720 [ 36.886088] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 36.888704] ? check_preemption_disabled+0x41/0x280 [ 36.888723] ? vfs_write+0x393/0x540 [ 36.888738] ? ksys_write+0x1c8/0x2a0 [ 36.899031] 20175 total pagecache pages [ 36.904941] ksys_ioctl+0x9b/0xc0 [ 36.904958] __x64_sys_ioctl+0x6f/0xb0 [ 36.904971] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.904984] do_syscall_64+0xf9/0x620 [ 36.905002] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.921083] 0 pages in swap cache [ 36.922276] RIP: 0033:0x7fd9cd1f1149 [ 36.922291] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 36.922297] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.922312] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 36.936105] Swap cache stats: add 0, delete 0, find 0/0 [ 36.939556] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 36.939564] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 36.939572] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.939580] R13: 0000000000000000 R14: 00007ffe18815430 R15: 00007ffe18815420 [ 37.001241] Falling back ldisc for ptm5. [ 37.002883] CPU: 0 PID: 8104 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 37.009744] FAULT_INJECTION: forcing a failure. [ 37.009744] name failslab, interval 1, probability 0, space 0, times 0 [ 37.009934] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.009939] Call Trace: [ 37.009965] dump_stack+0x1fc/0x2ef [ 37.009984] should_fail.cold+0xa/0xf [ 37.027170] FAULT_INJECTION: forcing a failure. [ 37.027170] name failslab, interval 1, probability 0, space 0, times 0 [ 37.045061] ? setup_fault_attr+0x200/0x200 [ 37.045075] ? lock_acquire+0x170/0x3c0 [ 37.045093] __should_failslab+0x115/0x180 [ 37.045107] should_failslab+0x5/0x10 [ 37.045118] __kmalloc+0x2ab/0x3c0 [ 37.045129] ? __kfifo_alloc+0x174/0x290 [ 37.045142] __kfifo_alloc+0x174/0x290 [ 37.045159] gsm_dlci_alloc+0xd4/0x410 [ 37.045174] gsm_activate_mux+0x1f4/0x290 [ 37.183663] gsmld_open+0x4fa/0x7e0 [ 37.187283] ? gsmld_close+0x1f0/0x1f0 [ 37.191186] tty_ldisc_open+0x81/0xc0 [ 37.194980] tty_set_ldisc+0x2d2/0x650 [ 37.198859] tty_ioctl+0xb4b/0x1630 [ 37.202486] ? tty_fasync+0x300/0x300 [ 37.206285] ? get_pid_task+0xf4/0x190 [ 37.210167] ? proc_fail_nth_write+0x95/0x1d0 [ 37.214657] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 37.219621] ? mark_held_locks+0xf0/0xf0 [ 37.223676] ? __vfs_write+0xff/0x770 [ 37.227474] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 37.232397] ? common_file_perm+0x4e5/0x850 [ 37.236713] ? tty_fasync+0x300/0x300 [ 37.240507] do_vfs_ioctl+0xcdb/0x12e0 [ 37.244389] ? vfs_write+0x3d7/0x540 [ 37.248093] ? ioctl_preallocate+0x200/0x200 [ 37.252502] ? lock_downgrade+0x720/0x720 [ 37.256651] ? check_preemption_disabled+0x41/0x280 [ 37.261668] ? vfs_write+0x393/0x540 [ 37.265387] ? ksys_write+0x1c8/0x2a0 [ 37.269179] ksys_ioctl+0x9b/0xc0 [ 37.272628] __x64_sys_ioctl+0x6f/0xb0 [ 37.276682] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.281268] do_syscall_64+0xf9/0x620 [ 37.285100] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.290291] RIP: 0033:0x7fd9cd1f1149 [ 37.293995] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 37.312885] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.320597] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 37.327870] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.335142] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 37.342405] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.349683] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 37.356972] CPU: 1 PID: 8105 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 37.364862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.365543] FAULT_INJECTION: forcing a failure. [ 37.365543] name failslab, interval 1, probability 0, space 0, times 0 [ 37.374213] Call Trace: [ 37.374235] dump_stack+0x1fc/0x2ef [ 37.374254] should_fail.cold+0xa/0xf [ 37.374269] ? setup_fault_attr+0x200/0x200 [ 37.374290] ? lock_acquire+0x170/0x3c0 [ 37.403694] __should_failslab+0x115/0x180 [ 37.407923] should_failslab+0x5/0x10 [ 37.411821] __kmalloc+0x2ab/0x3c0 [ 37.415353] ? __kfifo_alloc+0x174/0x290 [ 37.419407] __kfifo_alloc+0x174/0x290 [ 37.421006] Free swap = 0kB [ 37.423290] gsm_dlci_alloc+0xd4/0x410 [ 37.423306] gsm_activate_mux+0x1f4/0x290 [ 37.423318] gsmld_open+0x4fa/0x7e0 [ 37.423330] ? gsmld_close+0x1f0/0x1f0 [ 37.423343] tty_ldisc_open+0x81/0xc0 [ 37.428608] Total swap = 0kB [ 37.430217] tty_set_ldisc+0x2d2/0x650 [ 37.430236] tty_ioctl+0xb4b/0x1630 [ 37.430253] ? tty_fasync+0x300/0x300 [ 37.440202] 2097051 pages RAM [ 37.441866] ? get_pid_task+0xf4/0x190 [ 37.441882] ? proc_fail_nth_write+0x95/0x1d0 [ 37.441893] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 37.441910] ? mark_held_locks+0xf0/0xf0 [ 37.452397] 0 pages HighMem/MovableOnly [ 37.452570] ? __vfs_write+0xff/0x770 [ 37.452582] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 37.452598] ? common_file_perm+0x4e5/0x850 [ 37.460691] 369649 pages reserved [ 37.463073] ? tty_fasync+0x300/0x300 [ 37.463089] do_vfs_ioctl+0xcdb/0x12e0 [ 37.463103] ? vfs_write+0x3d7/0x540 [ 37.463115] ? ioctl_preallocate+0x200/0x200 [ 37.463131] ? lock_downgrade+0x720/0x720 [ 37.469253] 0 pages cma reserved [ 37.471481] ? check_preemption_disabled+0x41/0x280 [ 37.471499] ? vfs_write+0x393/0x540 [ 37.471514] ? ksys_write+0x1c8/0x2a0 [ 37.484354] Falling back ldisc for ptm2. [ 37.484446] ksys_ioctl+0x9b/0xc0 [ 37.505470] FAULT_INJECTION: forcing a failure. [ 37.505470] name failslab, interval 1, probability 0, space 0, times 0 [ 37.508909] __x64_sys_ioctl+0x6f/0xb0 [ 37.508926] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.564013] do_syscall_64+0xf9/0x620 [ 37.567822] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.573005] RIP: 0033:0x7fd9cd1f1149 [ 37.576795] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 37.595687] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.603388] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 37.610647] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.617907] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 37.625164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.632427] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 37.639706] CPU: 0 PID: 8107 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 37.647596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.656948] Call Trace: [ 37.659536] dump_stack+0x1fc/0x2ef [ 37.663290] should_fail.cold+0xa/0xf [ 37.667139] ? setup_fault_attr+0x200/0x200 [ 37.671463] ? lock_acquire+0x170/0x3c0 [ 37.675446] __should_failslab+0x115/0x180 [ 37.679683] should_failslab+0x5/0x10 [ 37.683482] __kmalloc+0x2ab/0x3c0 [ 37.687025] ? __kfifo_alloc+0x174/0x290 [ 37.691122] __kfifo_alloc+0x174/0x290 [ 37.695014] gsm_dlci_alloc+0xd4/0x410 [ 37.698901] gsm_activate_mux+0x1f4/0x290 [ 37.703045] gsmld_open+0x4fa/0x7e0 [ 37.706668] ? gsmld_close+0x1f0/0x1f0 [ 37.710558] tty_ldisc_open+0x81/0xc0 [ 37.714366] tty_set_ldisc+0x2d2/0x650 [ 37.718257] tty_ioctl+0xb4b/0x1630 [ 37.721878] ? tty_fasync+0x300/0x300 [ 37.725678] ? get_pid_task+0xf4/0x190 [ 37.729616] ? proc_fail_nth_write+0x95/0x1d0 [ 37.734115] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 37.739056] ? __vfs_write+0xff/0x770 [ 37.742857] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 37.747787] ? common_file_perm+0x4e5/0x850 [ 37.752120] ? tty_fasync+0x300/0x300 [ 37.755919] do_vfs_ioctl+0xcdb/0x12e0 [ 37.759803] ? vfs_write+0x3d7/0x540 [ 37.763515] ? ioctl_preallocate+0x200/0x200 [ 37.767933] ? lock_downgrade+0x720/0x720 [ 37.772088] ? check_preemption_disabled+0x41/0x280 [ 37.777100] ? vfs_write+0x393/0x540 [ 37.780806] ? ksys_write+0x1c8/0x2a0 [ 37.784604] ksys_ioctl+0x9b/0xc0 [ 37.788052] __x64_sys_ioctl+0x6f/0xb0 [ 37.791931] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.796531] do_syscall_64+0xf9/0x620 [ 37.800327] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.805510] RIP: 0033:0x7fd9cd1f1149 [ 37.809225] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 37.828115] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.835821] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 37.843084] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 37.850348] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 37.857606] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.864864] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 37.872142] CPU: 1 PID: 8106 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 37.880030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.889378] Call Trace: [ 37.891964] dump_stack+0x1fc/0x2ef [ 37.895586] should_fail.cold+0xa/0xf [ 37.899381] ? setup_fault_attr+0x200/0x200 [ 37.903697] ? lock_acquire+0x170/0x3c0 [ 37.907667] __should_failslab+0x115/0x180 [ 37.911900] should_failslab+0x5/0x10 [ 37.915698] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 37.920794] alloc_vmap_area+0x12e/0x980 [ 37.924854] ? setup_fault_attr+0x200/0x200 [ 37.929167] ? lock_acquire+0x170/0x3c0 [ 37.933133] ? check_preemption_disabled+0x41/0x280 [ 37.938138] ? __get_vm_area_node+0x128/0x3a0 [ 37.942626] ? purge_vmap_area_lazy+0xc0/0xc0 [ 37.947112] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 37.952119] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 37.957393] __get_vm_area_node+0x17b/0x3a0 [ 37.961714] ? n_tty_open+0x16/0x160 [ 37.965424] vzalloc+0xe6/0x1a0 [ 37.968705] ? n_tty_open+0x16/0x160 [ 37.972421] n_tty_open+0x16/0x160 [ 37.975953] ? n_tty_set_termios+0xe10/0xe10 [ 37.980351] tty_ldisc_open+0x81/0xc0 [ 37.984144] tty_ldisc_failto+0x13b/0x1a0 [ 37.988284] tty_set_ldisc+0x4db/0x650 [ 37.992163] tty_ioctl+0xb4b/0x1630 [ 37.995783] ? tty_fasync+0x300/0x300 [ 37.999581] ? get_pid_task+0xf4/0x190 [ 38.003463] ? proc_fail_nth_write+0x95/0x1d0 [ 38.007947] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.012870] ? mark_held_locks+0xf0/0xf0 [ 38.016924] ? __vfs_write+0xff/0x770 [ 38.020712] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.025630] ? common_file_perm+0x4e5/0x850 [ 38.029942] ? tty_fasync+0x300/0x300 [ 38.033737] do_vfs_ioctl+0xcdb/0x12e0 [ 38.037617] ? vfs_write+0x3d7/0x540 [ 38.041321] ? ioctl_preallocate+0x200/0x200 [ 38.045723] ? lock_downgrade+0x720/0x720 [ 38.049880] ? check_preemption_disabled+0x41/0x280 [ 38.054897] ? vfs_write+0x393/0x540 [ 38.058613] ? ksys_write+0x1c8/0x2a0 [ 38.062410] ksys_ioctl+0x9b/0xc0 [ 38.065860] __x64_sys_ioctl+0x6f/0xb0 [ 38.069742] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.074320] do_syscall_64+0xf9/0x620 [ 38.078116] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.083303] RIP: 0033:0x7fd9cd1f1149 [ 38.087011] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.105901] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.113604] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 38.120868] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.128139] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 38.135409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.137132] FAULT_INJECTION: forcing a failure. [ 38.137132] name failslab, interval 1, probability 0, space 0, times 0 [ 38.142672] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 38.151288] CPU: 1 PID: 8109 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 38.169101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.178458] Call Trace: [ 38.181052] dump_stack+0x1fc/0x2ef [ 38.184688] should_fail.cold+0xa/0xf [ 38.188495] ? setup_fault_attr+0x200/0x200 [ 38.192816] ? lock_acquire+0x170/0x3c0 [ 38.196790] __should_failslab+0x115/0x180 [ 38.201025] should_failslab+0x5/0x10 [ 38.204828] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 38.209931] alloc_vmap_area+0x12e/0x980 [ 38.213992] ? setup_fault_attr+0x200/0x200 [ 38.218312] ? lock_acquire+0x170/0x3c0 [ 38.222287] ? check_preemption_disabled+0x41/0x280 [ 38.227302] ? __get_vm_area_node+0x128/0x3a0 [ 38.231787] ? purge_vmap_area_lazy+0xc0/0xc0 [ 38.236273] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 38.241288] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 38.246570] __get_vm_area_node+0x17b/0x3a0 [ 38.250883] ? n_tty_open+0x16/0x160 [ 38.254588] vzalloc+0xe6/0x1a0 [ 38.257859] ? n_tty_open+0x16/0x160 [ 38.261567] n_tty_open+0x16/0x160 [ 38.265108] ? n_tty_set_termios+0xe10/0xe10 [ 38.269506] tty_ldisc_open+0x81/0xc0 [ 38.273300] tty_ldisc_failto+0x13b/0x1a0 [ 38.277436] tty_set_ldisc+0x4db/0x650 [ 38.281316] tty_ioctl+0xb4b/0x1630 [ 38.284935] ? tty_fasync+0x300/0x300 [ 38.288730] ? get_pid_task+0xf4/0x190 [ 38.292609] ? proc_fail_nth_write+0x95/0x1d0 [ 38.297270] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.302194] ? mark_held_locks+0xf0/0xf0 [ 38.306262] ? __vfs_write+0xff/0x770 [ 38.310069] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.314996] ? common_file_perm+0x4e5/0x850 [ 38.319321] ? tty_fasync+0x300/0x300 [ 38.323121] do_vfs_ioctl+0xcdb/0x12e0 [ 38.327010] ? vfs_write+0x3d7/0x540 [ 38.330717] ? ioctl_preallocate+0x200/0x200 [ 38.335117] ? lock_downgrade+0x720/0x720 [ 38.339261] ? check_preemption_disabled+0x41/0x280 [ 38.344361] ? vfs_write+0x393/0x540 [ 38.348067] ? ksys_write+0x1c8/0x2a0 [ 38.351860] ksys_ioctl+0x9b/0xc0 [ 38.355308] __x64_sys_ioctl+0x6f/0xb0 [ 38.359186] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.363761] do_syscall_64+0xf9/0x620 [ 38.367558] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.372740] RIP: 0033:0x7fd9cd1f1149 [ 38.376444] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.395334] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.403035] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 38.410295] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.417575] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 38.424831] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.432090] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 38.439367] CPU: 0 PID: 8111 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 38.444454] FAULT_INJECTION: forcing a failure. [ 38.444454] name failslab, interval 1, probability 0, space 0, times 0 [ 38.447247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.447252] Call Trace: [ 38.447272] dump_stack+0x1fc/0x2ef [ 38.447289] should_fail.cold+0xa/0xf [ 38.447309] ? setup_fault_attr+0x200/0x200 [ 38.482067] ? lock_acquire+0x170/0x3c0 [ 38.486038] __should_failslab+0x115/0x180 [ 38.490267] should_failslab+0x5/0x10 [ 38.494062] __kmalloc+0x2ab/0x3c0 [ 38.497607] ? __kfifo_alloc+0x174/0x290 [ 38.501689] __kfifo_alloc+0x174/0x290 [ 38.505593] gsm_dlci_alloc+0xd4/0x410 [ 38.509488] gsm_activate_mux+0x1f4/0x290 [ 38.513634] gsmld_open+0x4fa/0x7e0 [ 38.517267] ? gsmld_close+0x1f0/0x1f0 [ 38.521157] tty_ldisc_open+0x81/0xc0 [ 38.524955] tty_set_ldisc+0x2d2/0x650 [ 38.528843] tty_ioctl+0xb4b/0x1630 [ 38.532462] ? tty_fasync+0x300/0x300 [ 38.536253] ? get_pid_task+0xf4/0x190 [ 38.540137] ? proc_fail_nth_write+0x95/0x1d0 [ 38.544626] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.549549] ? mark_held_locks+0xf0/0xf0 [ 38.553605] ? __vfs_write+0xff/0x770 [ 38.557396] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.562328] ? common_file_perm+0x4e5/0x850 [ 38.566648] ? tty_fasync+0x300/0x300 [ 38.570444] do_vfs_ioctl+0xcdb/0x12e0 [ 38.574328] ? vfs_write+0x3d7/0x540 [ 38.578038] ? ioctl_preallocate+0x200/0x200 [ 38.582443] ? lock_downgrade+0x720/0x720 [ 38.586588] ? check_preemption_disabled+0x41/0x280 [ 38.591701] ? vfs_write+0x393/0x540 [ 38.595425] ? ksys_write+0x1c8/0x2a0 [ 38.599232] ksys_ioctl+0x9b/0xc0 [ 38.602683] __x64_sys_ioctl+0x6f/0xb0 [ 38.606566] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.611138] do_syscall_64+0xf9/0x620 [ 38.614937] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.620125] RIP: 0033:0x7fd9cd1f1149 [ 38.623835] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.642726] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.650425] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 38.657682] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.664940] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 38.672198] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.679459] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 38.686738] CPU: 1 PID: 8112 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 38.694623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.703972] Call Trace: [ 38.706561] dump_stack+0x1fc/0x2ef [ 38.710192] should_fail.cold+0xa/0xf [ 38.713999] ? setup_fault_attr+0x200/0x200 [ 38.718327] ? lock_acquire+0x170/0x3c0 [ 38.722315] __should_failslab+0x115/0x180 [ 38.726556] should_failslab+0x5/0x10 [ 38.730358] __kmalloc+0x2ab/0x3c0 [ 38.733898] ? __kfifo_alloc+0x174/0x290 [ 38.737962] __kfifo_alloc+0x174/0x290 [ 38.741853] gsm_dlci_alloc+0xd4/0x410 [ 38.745748] gsm_activate_mux+0x1f4/0x290 [ 38.749902] gsmld_open+0x4fa/0x7e0 [ 38.753525] ? gsmld_close+0x1f0/0x1f0 [ 38.757413] tty_ldisc_open+0x81/0xc0 [ 38.761209] tty_set_ldisc+0x2d2/0x650 [ 38.765103] tty_ioctl+0xb4b/0x1630 [ 38.768738] ? tty_fasync+0x300/0x300 [ 38.772534] ? get_pid_task+0xf4/0x190 [ 38.776411] ? proc_fail_nth_write+0x95/0x1d0 [ 38.780898] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.785821] ? mark_held_locks+0xf0/0xf0 [ 38.789875] ? __vfs_write+0xff/0x770 [ 38.793664] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 38.798581] ? common_file_perm+0x4e5/0x850 [ 38.802892] ? tty_fasync+0x300/0x300 [ 38.806682] do_vfs_ioctl+0xcdb/0x12e0 [ 38.810567] ? vfs_write+0x3d7/0x540 [ 38.814281] ? ioctl_preallocate+0x200/0x200 [ 38.818687] ? lock_downgrade+0x720/0x720 [ 38.820949] FAULT_INJECTION: forcing a failure. [ 38.820949] name failslab, interval 1, probability 0, space 0, times 0 [ 38.822842] ? check_preemption_disabled+0x41/0x280 [ 38.822862] ? vfs_write+0x393/0x540 [ 38.822876] ? ksys_write+0x1c8/0x2a0 [ 38.822891] ksys_ioctl+0x9b/0xc0 [ 38.822909] __x64_sys_ioctl+0x6f/0xb0 [ 38.853839] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.858434] do_syscall_64+0xf9/0x620 [ 38.862244] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.867429] RIP: 0033:0x7fd9cd1f1149 [ 38.871150] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.890047] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.897767] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 38.905035] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 38.912296] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 38.919555] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.926824] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 38.934107] CPU: 0 PID: 8103 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 38.937709] syz-executor297: vmalloc: allocation failure: 9088 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 38.941990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.941995] Call Trace: [ 38.942014] dump_stack+0x1fc/0x2ef [ 38.942031] should_fail.cold+0xa/0xf [ 38.942047] ? setup_fault_attr+0x200/0x200 [ 38.942060] ? lock_acquire+0x170/0x3c0 [ 38.942077] __should_failslab+0x115/0x180 [ 38.953455] syz-executor297 cpuset=/ mems_allowed=0-1 [ 38.962674] should_failslab+0x5/0x10 [ 38.962687] __kmalloc+0x2ab/0x3c0 [ 38.962700] ? __kfifo_alloc+0x174/0x290 [ 38.962713] __kfifo_alloc+0x174/0x290 [ 38.962730] gsm_dlci_alloc+0xd4/0x410 [ 38.962750] gsm_activate_mux+0x1f4/0x290 [ 38.965949] syz-executor297: vmalloc: allocation failure: 9088 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 38.968926] gsmld_open+0x4fa/0x7e0 [ 38.968939] ? gsmld_close+0x1f0/0x1f0 [ 38.968951] tty_ldisc_open+0x81/0xc0 [ 38.968963] tty_set_ldisc+0x2d2/0x650 [ 38.968979] tty_ioctl+0xb4b/0x1630 [ 38.972897] syz-executor297 cpuset=/ mems_allowed=0-1 [ 38.977065] ? tty_fasync+0x300/0x300 [ 38.977087] ? get_pid_task+0xf4/0x190 [ 38.977104] ? proc_fail_nth_write+0x95/0x1d0 [ 39.060949] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.065873] ? mark_held_locks+0xf0/0xf0 [ 39.069941] ? __vfs_write+0xff/0x770 [ 39.073746] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.078680] ? common_file_perm+0x4e5/0x850 [ 39.082998] ? tty_fasync+0x300/0x300 [ 39.086794] do_vfs_ioctl+0xcdb/0x12e0 [ 39.090684] ? vfs_write+0x3d7/0x540 [ 39.094390] ? ioctl_preallocate+0x200/0x200 [ 39.098791] ? lock_downgrade+0x720/0x720 [ 39.102933] ? check_preemption_disabled+0x41/0x280 [ 39.107950] ? vfs_write+0x393/0x540 [ 39.111658] ? ksys_write+0x1c8/0x2a0 [ 39.115451] ksys_ioctl+0x9b/0xc0 [ 39.118901] __x64_sys_ioctl+0x6f/0xb0 [ 39.122783] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.127354] do_syscall_64+0xf9/0x620 [ 39.131152] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.136330] RIP: 0033:0x7fd9cd1f1149 [ 39.140031] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 39.158921] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.166623] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 39.173973] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.181234] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 39.188491] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.195749] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 39.203025] CPU: 1 PID: 8106 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 39.210908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.220262] Call Trace: [ 39.222861] dump_stack+0x1fc/0x2ef [ 39.226500] warn_alloc.cold+0x7b/0x18f [ 39.230484] ? zone_watermark_ok_safe+0x260/0x260 [ 39.235333] ? debug_check_no_obj_freed+0x201/0x490 [ 39.240354] ? mark_held_locks+0xa6/0xf0 [ 39.244428] ? __get_vm_area_node+0x312/0x3a0 [ 39.248924] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.253508] ? __get_vm_area_node+0x2e2/0x3a0 [ 39.258004] ? n_tty_open+0x16/0x160 [ 39.261713] vzalloc+0x15c/0x1a0 [ 39.265076] n_tty_open+0x16/0x160 [ 39.268610] ? n_tty_set_termios+0xe10/0xe10 [ 39.273004] tty_ldisc_open+0x81/0xc0 [ 39.276798] tty_ldisc_failto+0x13b/0x1a0 [ 39.280938] tty_set_ldisc+0x4db/0x650 [ 39.284822] tty_ioctl+0xb4b/0x1630 [ 39.288440] ? tty_fasync+0x300/0x300 [ 39.292232] ? get_pid_task+0xf4/0x190 [ 39.296111] ? proc_fail_nth_write+0x95/0x1d0 [ 39.300596] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.305519] ? mark_held_locks+0xf0/0xf0 [ 39.309576] ? __vfs_write+0xff/0x770 [ 39.313369] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.318297] ? common_file_perm+0x4e5/0x850 [ 39.322614] ? tty_fasync+0x300/0x300 [ 39.326407] do_vfs_ioctl+0xcdb/0x12e0 [ 39.330289] ? vfs_write+0x3d7/0x540 [ 39.333993] ? ioctl_preallocate+0x200/0x200 [ 39.338394] ? lock_downgrade+0x720/0x720 [ 39.342536] ? check_preemption_disabled+0x41/0x280 [ 39.347566] ? vfs_write+0x393/0x540 [ 39.351274] ? ksys_write+0x1c8/0x2a0 [ 39.355073] ksys_ioctl+0x9b/0xc0 [ 39.358527] __x64_sys_ioctl+0x6f/0xb0 [ 39.362417] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.367007] do_syscall_64+0xf9/0x620 [ 39.370819] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.372005] FAULT_INJECTION: forcing a failure. [ 39.372005] name failslab, interval 1, probability 0, space 0, times 0 [ 39.376001] RIP: 0033:0x7fd9cd1f1149 [ 39.376014] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 39.376021] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.376032] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 39.376052] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.432012] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 39.439278] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.446549] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 39.453833] CPU: 0 PID: 8113 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 39.462405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.471788] Call Trace: [ 39.474379] dump_stack+0x1fc/0x2ef [ 39.478004] should_fail.cold+0xa/0xf [ 39.481797] ? setup_fault_attr+0x200/0x200 [ 39.486113] ? lock_acquire+0x170/0x3c0 [ 39.490087] __should_failslab+0x115/0x180 [ 39.494315] should_failslab+0x5/0x10 [ 39.498104] __kmalloc+0x2ab/0x3c0 [ 39.501634] ? __kfifo_alloc+0x174/0x290 [ 39.505711] __kfifo_alloc+0x174/0x290 [ 39.509622] gsm_dlci_alloc+0xd4/0x410 [ 39.513518] gsm_activate_mux+0x1f4/0x290 [ 39.517664] gsmld_open+0x4fa/0x7e0 [ 39.521296] ? gsmld_close+0x1f0/0x1f0 [ 39.525180] tty_ldisc_open+0x81/0xc0 [ 39.528982] tty_set_ldisc+0x2d2/0x650 [ 39.532873] tty_ioctl+0xb4b/0x1630 [ 39.536509] ? tty_fasync+0x300/0x300 [ 39.540309] ? get_pid_task+0xf4/0x190 [ 39.544202] ? proc_fail_nth_write+0x95/0x1d0 [ 39.548703] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.553653] ? mark_held_locks+0xf0/0xf0 [ 39.555810] FAULT_INJECTION: forcing a failure. [ 39.555810] name failslab, interval 1, probability 0, space 0, times 0 [ 39.557718] ? __vfs_write+0xff/0x770 [ 39.557733] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.557747] ? common_file_perm+0x4e5/0x850 [ 39.557768] ? tty_fasync+0x300/0x300 [ 39.585726] do_vfs_ioctl+0xcdb/0x12e0 [ 39.589616] ? vfs_write+0x3d7/0x540 [ 39.593343] ? ioctl_preallocate+0x200/0x200 [ 39.597763] ? lock_downgrade+0x720/0x720 [ 39.601921] ? check_preemption_disabled+0x41/0x280 [ 39.606947] ? vfs_write+0x393/0x540 [ 39.610661] ? ksys_write+0x1c8/0x2a0 [ 39.614456] ksys_ioctl+0x9b/0xc0 [ 39.617917] __x64_sys_ioctl+0x6f/0xb0 [ 39.621811] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.626389] do_syscall_64+0xf9/0x620 [ 39.630191] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.635377] RIP: 0033:0x7fd9cd1f1149 [ 39.639092] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 39.658085] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.665788] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 39.673047] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.680305] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 39.687563] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.694829] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 39.702116] CPU: 1 PID: 8109 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 39.710005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.719447] Call Trace: [ 39.722039] dump_stack+0x1fc/0x2ef [ 39.725671] warn_alloc.cold+0x7b/0x18f [ 39.729647] ? zone_watermark_ok_safe+0x260/0x260 [ 39.734483] ? debug_check_no_obj_freed+0x201/0x490 [ 39.739505] ? mark_held_locks+0xa6/0xf0 [ 39.743567] ? __get_vm_area_node+0x312/0x3a0 [ 39.748061] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.752641] ? __get_vm_area_node+0x2e2/0x3a0 [ 39.757126] ? n_tty_open+0x16/0x160 [ 39.760841] vzalloc+0x15c/0x1a0 [ 39.764200] n_tty_open+0x16/0x160 [ 39.767729] ? n_tty_set_termios+0xe10/0xe10 [ 39.772122] tty_ldisc_open+0x81/0xc0 [ 39.775910] tty_ldisc_failto+0x13b/0x1a0 [ 39.780051] tty_set_ldisc+0x4db/0x650 [ 39.783929] tty_ioctl+0xb4b/0x1630 [ 39.787544] ? tty_fasync+0x300/0x300 [ 39.791333] ? get_pid_task+0xf4/0x190 [ 39.795208] ? proc_fail_nth_write+0x95/0x1d0 [ 39.799702] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.804622] ? mark_held_locks+0xf0/0xf0 [ 39.808690] ? __vfs_write+0xff/0x770 [ 39.812479] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.817486] ? common_file_perm+0x4e5/0x850 [ 39.821802] ? tty_fasync+0x300/0x300 [ 39.825600] do_vfs_ioctl+0xcdb/0x12e0 [ 39.829477] ? vfs_write+0x3d7/0x540 [ 39.833179] ? ioctl_preallocate+0x200/0x200 [ 39.837591] ? lock_downgrade+0x720/0x720 [ 39.841736] ? check_preemption_disabled+0x41/0x280 [ 39.846756] ? vfs_write+0x393/0x540 [ 39.850463] ? ksys_write+0x1c8/0x2a0 [ 39.854262] ksys_ioctl+0x9b/0xc0 [ 39.857705] __x64_sys_ioctl+0x6f/0xb0 [ 39.861928] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.866497] do_syscall_64+0xf9/0x620 [ 39.870288] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.875465] RIP: 0033:0x7fd9cd1f1149 [ 39.879169] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 39.898062] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.905764] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 39.913019] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 39.920297] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 39.927553] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 39.934815] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 39.942115] CPU: 0 PID: 8114 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 39.950106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.959447] Call Trace: [ 39.962029] dump_stack+0x1fc/0x2ef [ 39.965649] should_fail.cold+0xa/0xf [ 39.969444] ? setup_fault_attr+0x200/0x200 [ 39.973760] ? lock_acquire+0x170/0x3c0 [ 39.977727] __should_failslab+0x115/0x180 [ 39.981951] should_failslab+0x5/0x10 [ 39.985772] __kmalloc+0x2ab/0x3c0 [ 39.989300] ? __kfifo_alloc+0x174/0x290 [ 39.993435] __kfifo_alloc+0x174/0x290 [ 39.997399] gsm_dlci_alloc+0xd4/0x410 [ 40.001275] gsm_activate_mux+0x1f4/0x290 [ 40.005497] gsmld_open+0x4fa/0x7e0 [ 40.009109] ? gsmld_close+0x1f0/0x1f0 [ 40.012986] tty_ldisc_open+0x81/0xc0 [ 40.016774] tty_set_ldisc+0x2d2/0x650 [ 40.020656] tty_ioctl+0xb4b/0x1630 [ 40.024274] ? tty_fasync+0x300/0x300 [ 40.028071] ? get_pid_task+0xf4/0x190 [ 40.032662] ? proc_fail_nth_write+0x95/0x1d0 [ 40.037691] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.042615] ? __vfs_write+0xff/0x770 [ 40.046405] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.046663] warn_alloc_show_mem: 1 callbacks suppressed [ 40.046668] Mem-Info: [ 40.051321] ? common_file_perm+0x4e5/0x850 [ 40.051337] ? tty_fasync+0x300/0x300 [ 40.051350] do_vfs_ioctl+0xcdb/0x12e0 [ 40.051365] ? vfs_write+0x3d7/0x540 [ 40.069012] active_anon:5089 inactive_anon:4719 isolated_anon:0 [ 40.069012] active_file:5342 inactive_file:9972 isolated_file:0 [ 40.069012] unevictable:0 dirty:5991 writeback:0 unstable:0 [ 40.069012] slab_reclaimable:16139 slab_unreclaimable:113975 [ 40.069012] mapped:3739 shmem:4898 pagetables:391 bounce:0 [ 40.069012] free:1531264 free_pcp:383 free_cma:0 [ 40.071069] ? ioctl_preallocate+0x200/0x200 [ 40.071086] ? lock_downgrade+0x720/0x720 [ 40.071103] ? check_preemption_disabled+0x41/0x280 [ 40.081567] Node 0 active_anon:20356kB inactive_anon:18876kB active_file:21244kB inactive_file:39888kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14956kB dirty:23956kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 40.108482] ? vfs_write+0x393/0x540 [ 40.108497] ? ksys_write+0x1c8/0x2a0 [ 40.108512] ksys_ioctl+0x9b/0xc0 [ 40.108529] __x64_sys_ioctl+0x6f/0xb0 [ 40.108543] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.108555] do_syscall_64+0xf9/0x620 [ 40.108571] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.108585] RIP: 0033:0x7fd9cd1f1149 [ 40.146899] Node 1 active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 40.150432] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 40.150440] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.150452] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 40.150459] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.150470] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 40.163093] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.165232] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.165240] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 40.179374] FAULT_INJECTION: forcing a failure. [ 40.179374] name failslab, interval 1, probability 0, space 0, times 0 [ 40.183051] CPU: 1 PID: 8115 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 40.263481] FAULT_INJECTION: forcing a failure. [ 40.263481] name failslab, interval 1, probability 0, space 0, times 0 [ 40.283158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.283163] Call Trace: [ 40.283184] dump_stack+0x1fc/0x2ef [ 40.283201] should_fail.cold+0xa/0xf [ 40.283218] ? setup_fault_attr+0x200/0x200 [ 40.283231] ? lock_acquire+0x170/0x3c0 [ 40.283248] __should_failslab+0x115/0x180 [ 40.283265] should_failslab+0x5/0x10 [ 40.363519] __kmalloc+0x2ab/0x3c0 [ 40.367052] ? __kfifo_alloc+0x174/0x290 [ 40.371107] __kfifo_alloc+0x174/0x290 [ 40.374988] gsm_dlci_alloc+0xd4/0x410 [ 40.378867] gsm_activate_mux+0x1f4/0x290 [ 40.383024] gsmld_open+0x4fa/0x7e0 [ 40.386646] ? gsmld_close+0x1f0/0x1f0 [ 40.390525] tty_ldisc_open+0x81/0xc0 [ 40.394315] tty_set_ldisc+0x2d2/0x650 [ 40.398201] tty_ioctl+0xb4b/0x1630 [ 40.401818] ? tty_fasync+0x300/0x300 [ 40.405610] ? get_pid_task+0xf4/0x190 [ 40.409487] ? proc_fail_nth_write+0x95/0x1d0 [ 40.413977] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.418916] ? mark_held_locks+0xf0/0xf0 [ 40.422981] ? __vfs_write+0xff/0x770 [ 40.426775] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.431698] ? common_file_perm+0x4e5/0x850 [ 40.436012] ? tty_fasync+0x300/0x300 [ 40.439806] do_vfs_ioctl+0xcdb/0x12e0 [ 40.443686] ? vfs_write+0x3d7/0x540 [ 40.447390] ? ioctl_preallocate+0x200/0x200 [ 40.451793] ? lock_downgrade+0x720/0x720 [ 40.455932] ? check_preemption_disabled+0x41/0x280 [ 40.461027] ? vfs_write+0x393/0x540 [ 40.464733] ? ksys_write+0x1c8/0x2a0 [ 40.468531] ksys_ioctl+0x9b/0xc0 [ 40.471980] __x64_sys_ioctl+0x6f/0xb0 [ 40.475859] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.480431] do_syscall_64+0xf9/0x620 [ 40.484225] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.489400] RIP: 0033:0x7fd9cd1f1149 [ 40.493105] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 40.511996] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.519691] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 40.526955] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.534209] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 40.541466] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.548728] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 40.556005] CPU: 0 PID: 8116 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 40.557624] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 40.563883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.563887] Call Trace: [ 40.563906] dump_stack+0x1fc/0x2ef [ 40.563940] should_fail.cold+0xa/0xf [ 40.563956] ? setup_fault_attr+0x200/0x200 [ 40.563969] ? lock_acquire+0x170/0x3c0 [ 40.563986] __should_failslab+0x115/0x180 [ 40.564005] should_failslab+0x5/0x10 [ 40.569570] Node 0 DMA32 free:2068688kB min:35996kB low:44992kB high:53988kB active_anon:22388kB inactive_anon:18876kB active_file:21244kB inactive_file:39948kB unevictable:0kB writepending:24016kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6848kB pagetables:1576kB bounce:0kB free_pcp:1888kB local_pcp:1292kB free_cma:0kB [ 40.578339] __kmalloc+0x2ab/0x3c0 [ 40.578351] ? __kfifo_alloc+0x174/0x290 [ 40.578367] __kfifo_alloc+0x174/0x290 [ 40.578383] gsm_dlci_alloc+0xd4/0x410 [ 40.578397] gsm_activate_mux+0x1f4/0x290 [ 40.578408] gsmld_open+0x4fa/0x7e0 [ 40.578418] ? gsmld_close+0x1f0/0x1f0 [ 40.578429] tty_ldisc_open+0x81/0xc0 [ 40.578441] tty_set_ldisc+0x2d2/0x650 [ 40.578458] tty_ioctl+0xb4b/0x1630 [ 40.581428] lowmem_reserve[]: 0 0 1 1 1 [ 40.584649] ? tty_fasync+0x300/0x300 [ 40.584665] ? get_pid_task+0xf4/0x190 [ 40.584679] ? proc_fail_nth_write+0x95/0x1d0 [ 40.584693] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.584708] ? mark_held_locks+0xf0/0xf0 [ 40.584724] ? __vfs_write+0xff/0x770 [ 40.584739] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.589665] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.592839] ? common_file_perm+0x4e5/0x850 [ 40.592855] ? tty_fasync+0x300/0x300 [ 40.592869] do_vfs_ioctl+0xcdb/0x12e0 [ 40.592883] ? vfs_write+0x3d7/0x540 [ 40.592896] ? ioctl_preallocate+0x200/0x200 [ 40.592910] ? lock_downgrade+0x720/0x720 [ 40.592927] ? check_preemption_disabled+0x41/0x280 [ 40.592942] ? vfs_write+0x393/0x540 [ 40.597269] lowmem_reserve[]: 0 0 0 0 0 [ 40.601121] ? ksys_write+0x1c8/0x2a0 [ 40.601139] ksys_ioctl+0x9b/0xc0 [ 40.601153] __x64_sys_ioctl+0x6f/0xb0 [ 40.601169] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.605314] Node 1 Normal free:4038536kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 40.635038] do_syscall_64+0xf9/0x620 [ 40.635057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.635069] RIP: 0033:0x7fd9cd1f1149 [ 40.635080] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 40.635086] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.635098] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 40.635104] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.635111] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 40.635117] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.635123] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 40.646769] CPU: 0 PID: 8117 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 40.651730] lowmem_reserve[]: 0 0 0 0 0 [ 40.654674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.654679] Call Trace: [ 40.654699] dump_stack+0x1fc/0x2ef [ 40.654718] should_fail.cold+0xa/0xf [ 40.658379] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 40.662194] ? setup_fault_attr+0x200/0x200 [ 40.662209] ? lock_acquire+0x170/0x3c0 [ 40.662225] __should_failslab+0x115/0x180 [ 40.662240] should_failslab+0x5/0x10 [ 40.662252] __kmalloc+0x2ab/0x3c0 [ 40.662263] ? __kfifo_alloc+0x174/0x290 [ 40.662276] __kfifo_alloc+0x174/0x290 [ 40.662294] gsm_dlci_alloc+0xd4/0x410 [ 40.666567] Falling back ldisc for ptm2. [ 40.669948] gsm_activate_mux+0x1f4/0x290 [ 40.669962] gsmld_open+0x4fa/0x7e0 [ 40.669972] ? gsmld_close+0x1f0/0x1f0 [ 40.669985] tty_ldisc_open+0x81/0xc0 [ 40.673717] Node 0 DMA32: 1286*4kB (UME) 129*8kB (UME) 88*16kB (U) 128*32kB (UME) 22*64kB (UME) 5*128kB (UME) 2*256kB (UE) 2*512kB (U) 2*1024kB (ME) 2*2048kB (UE) 500*4096kB (M) = 2069408kB [ 40.677549] tty_set_ldisc+0x2d2/0x650 [ 40.677568] tty_ioctl+0xb4b/0x1630 [ 40.677582] ? tty_fasync+0x300/0x300 [ 40.677599] ? get_pid_task+0xf4/0x190 [ 40.681882] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 40.685334] ? proc_fail_nth_write+0x95/0x1d0 [ 40.685349] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.685363] ? mark_held_locks+0xf0/0xf0 [ 40.685380] ? __vfs_write+0xff/0x770 [ 40.691923] Node 1 Normal: 100*4kB (UE) 381*8kB (UE) 303*16kB (UME) 73*32kB (UME) 28*64kB (UME) 18*128kB (UME) 12*256kB (UME) 7*512kB (UME) 3*1024kB (UM) 0*2048kB 980*4096kB (M) = 4038536kB [ 40.694769] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.694785] ? common_file_perm+0x4e5/0x850 [ 40.694800] ? tty_fasync+0x300/0x300 [ 40.694814] do_vfs_ioctl+0xcdb/0x12e0 [ 40.698934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 40.702640] ? vfs_write+0x3d7/0x540 [ 40.702655] ? ioctl_preallocate+0x200/0x200 [ 40.702669] ? lock_downgrade+0x720/0x720 [ 40.702686] ? check_preemption_disabled+0x41/0x280 [ 40.702701] ? vfs_write+0x393/0x540 [ 40.702715] ? ksys_write+0x1c8/0x2a0 [ 40.702730] ksys_ioctl+0x9b/0xc0 [ 40.708220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.733472] __x64_sys_ioctl+0x6f/0xb0 [ 40.733486] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.733500] do_syscall_64+0xf9/0x620 [ 40.733520] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.733532] RIP: 0033:0x7fd9cd1f1149 [ 40.733544] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 40.733550] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.733560] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 40.733567] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.733574] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 40.733585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 40.738329] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 40.741671] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 40.757617] FAULT_INJECTION: forcing a failure. [ 40.757617] name failslab, interval 1, probability 0, space 0, times 0 [ 40.759972] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 40.772972] CPU: 0 PID: 8120 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 40.778121] FAULT_INJECTION: forcing a failure. [ 40.778121] name failslab, interval 1, probability 0, space 0, times 0 [ 40.781807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.781812] Call Trace: [ 40.781833] dump_stack+0x1fc/0x2ef [ 40.781849] should_fail.cold+0xa/0xf [ 40.781865] ? setup_fault_attr+0x200/0x200 [ 40.781878] ? lock_acquire+0x170/0x3c0 [ 40.781895] __should_failslab+0x115/0x180 [ 40.781911] should_failslab+0x5/0x10 [ 40.790938] 20235 total pagecache pages [ 40.814046] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 40.814061] __kmalloc_node+0x38/0x70 [ 40.814076] __vmalloc_area_node+0x15f/0x780 [ 40.814095] ? __vmalloc_node_range+0x180/0x180 [ 40.814110] ? _raw_spin_unlock+0x29/0x40 [ 40.814121] ? __get_vm_area_node+0x2e2/0x3a0 [ 40.814136] ? n_tty_open+0x16/0x160 [ 40.814146] ? n_tty_open+0x16/0x160 [ 40.814161] vzalloc+0x10a/0x1a0 [ 40.844789] 0 pages in swap cache [ 40.845689] n_tty_open+0x16/0x160 [ 40.863446] Swap cache stats: add 0, delete 0, find 0/0 [ 40.867887] ? n_tty_set_termios+0xe10/0xe10 [ 40.867900] tty_ldisc_open+0x81/0xc0 [ 40.867916] tty_ldisc_failto+0x13b/0x1a0 [ 40.888525] Free swap = 0kB [ 40.889680] tty_set_ldisc+0x4db/0x650 [ 40.889697] tty_ioctl+0xb4b/0x1630 [ 40.889711] ? tty_fasync+0x300/0x300 [ 40.906512] Total swap = 0kB [ 40.910865] ? get_pid_task+0xf4/0x190 [ 40.910881] ? proc_fail_nth_write+0x95/0x1d0 [ 40.910895] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.921304] 2097051 pages RAM [ 40.934341] ? mark_held_locks+0xf0/0xf0 [ 40.934359] ? __vfs_write+0xff/0x770 [ 40.934372] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 40.934386] ? common_file_perm+0x4e5/0x850 [ 40.934402] ? tty_fasync+0x300/0x300 [ 40.934415] do_vfs_ioctl+0xcdb/0x12e0 [ 40.934428] ? vfs_write+0x3d7/0x540 [ 40.934442] ? ioctl_preallocate+0x200/0x200 [ 40.954485] 0 pages HighMem/MovableOnly [ 40.958270] ? lock_downgrade+0x720/0x720 [ 40.958289] ? check_preemption_disabled+0x41/0x280 [ 40.958306] ? vfs_write+0x393/0x540 [ 40.971092] 369649 pages reserved [ 40.974209] ? ksys_write+0x1c8/0x2a0 [ 40.974225] ksys_ioctl+0x9b/0xc0 [ 40.974241] __x64_sys_ioctl+0x6f/0xb0 [ 40.974256] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.974269] do_syscall_64+0xf9/0x620 [ 40.974285] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.974297] RIP: 0033:0x7fd9cd1f1149 [ 40.982535] 0 pages cma reserved [ 40.985545] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 40.985553] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.985566] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 40.985573] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 40.985583] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 41.023710] Falling back ldisc for ptm5. [ 41.028648] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 41.028657] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 41.102465] CPU: 0 PID: 8121 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 41.110947] FAULT_INJECTION: forcing a failure. [ 41.110947] name failslab, interval 1, probability 0, space 0, times 0 [ 41.113995] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.114000] Call Trace: [ 41.114018] dump_stack+0x1fc/0x2ef [ 41.114034] should_fail.cold+0xa/0xf [ 41.114052] ? setup_fault_attr+0x200/0x200 [ 41.114065] ? lock_acquire+0x170/0x3c0 [ 41.114083] __should_failslab+0x115/0x180 [ 41.114099] should_failslab+0x5/0x10 [ 41.114113] __kmalloc+0x2ab/0x3c0 [ 41.204205] FAULT_INJECTION: forcing a failure. [ 41.204205] name failslab, interval 1, probability 0, space 0, times 0 [ 41.211567] ? __kfifo_alloc+0x174/0x290 [ 41.211582] __kfifo_alloc+0x174/0x290 [ 41.211600] gsm_dlci_alloc+0xd4/0x410 [ 41.211613] gsm_activate_mux+0x1f4/0x290 [ 41.211624] gsmld_open+0x4fa/0x7e0 [ 41.211634] ? gsmld_close+0x1f0/0x1f0 [ 41.211644] tty_ldisc_open+0x81/0xc0 [ 41.211654] tty_set_ldisc+0x2d2/0x650 [ 41.211670] tty_ioctl+0xb4b/0x1630 [ 41.211685] ? tty_fasync+0x300/0x300 [ 41.289985] FAULT_INJECTION: forcing a failure. [ 41.289985] name failslab, interval 1, probability 0, space 0, times 0 [ 41.293256] ? pick_next_entity+0x27e/0x580 [ 41.293272] ? finish_task_switch+0x146/0x760 [ 41.293287] ? lock_downgrade+0x720/0x720 [ 41.293300] ? lock_acquire+0x170/0x3c0 [ 41.293311] ? finish_task_switch+0x118/0x760 [ 41.293326] ? _raw_spin_unlock_irq+0x24/0x80 [ 41.640682] Falling back ldisc for ptm2. [ 41.640851] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 41.697994] ? _raw_spin_unlock_irq+0x5a/0x80 [ 41.702497] ? tty_fasync+0x300/0x300 [ 41.706293] do_vfs_ioctl+0xcdb/0x12e0 [ 41.710181] ? __schedule+0x88f/0x2040 [ 41.714069] ? ioctl_preallocate+0x200/0x200 [ 41.718469] ? io_schedule_timeout+0x140/0x140 [ 41.723041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.727791] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 41.732367] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 41.737119] ? retint_kernel+0x2d/0x2d [ 41.741004] ksys_ioctl+0x9b/0xc0 [ 41.744466] __x64_sys_ioctl+0x6f/0xb0 [ 41.749400] do_syscall_64+0xf9/0x620 [ 41.753231] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 41.758411] RIP: 0033:0x7fd9cd1f1149 [ 41.762114] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 41.781270] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 41.788986] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 41.796254] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 41.803514] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 41.810775] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 41.818035] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 41.825315] CPU: 1 PID: 8122 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 41.833202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.842547] Call Trace: [ 41.845136] dump_stack+0x1fc/0x2ef [ 41.848759] should_fail.cold+0xa/0xf [ 41.852557] ? setup_fault_attr+0x200/0x200 [ 41.856866] ? lock_acquire+0x170/0x3c0 [ 41.860836] __should_failslab+0x115/0x180 [ 41.865071] should_failslab+0x5/0x10 [ 41.868864] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 41.873963] alloc_vmap_area+0x12e/0x980 [ 41.878016] ? setup_fault_attr+0x200/0x200 [ 41.882326] ? lock_acquire+0x170/0x3c0 [ 41.886291] ? check_preemption_disabled+0x41/0x280 [ 41.891313] ? __get_vm_area_node+0x128/0x3a0 [ 41.895812] ? purge_vmap_area_lazy+0xc0/0xc0 [ 41.900301] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 41.905368] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 41.910644] __get_vm_area_node+0x17b/0x3a0 [ 41.914977] ? n_tty_open+0x16/0x160 [ 41.918686] vzalloc+0xe6/0x1a0 [ 41.921980] ? n_tty_open+0x16/0x160 [ 41.925693] n_tty_open+0x16/0x160 [ 41.929225] ? n_tty_set_termios+0xe10/0xe10 [ 41.933621] tty_ldisc_open+0x81/0xc0 [ 41.937415] tty_ldisc_failto+0x13b/0x1a0 [ 41.941559] tty_set_ldisc+0x4db/0x650 [ 41.945450] tty_ioctl+0xb4b/0x1630 [ 41.949155] ? tty_fasync+0x300/0x300 [ 41.952946] ? get_pid_task+0xf4/0x190 [ 41.956826] ? proc_fail_nth_write+0x95/0x1d0 [ 41.961327] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 41.966254] ? mark_held_locks+0xf0/0xf0 [ 41.970318] ? __vfs_write+0xff/0x770 [ 41.974199] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 41.979120] ? common_file_perm+0x4e5/0x850 [ 41.983435] ? tty_fasync+0x300/0x300 [ 41.987226] do_vfs_ioctl+0xcdb/0x12e0 [ 41.991133] ? vfs_write+0x3d7/0x540 [ 41.994851] ? ioctl_preallocate+0x200/0x200 [ 41.999249] ? lock_downgrade+0x720/0x720 [ 42.003393] ? check_preemption_disabled+0x41/0x280 [ 42.008406] ? vfs_write+0x393/0x540 [ 42.012119] ? ksys_write+0x1c8/0x2a0 [ 42.015915] ksys_ioctl+0x9b/0xc0 [ 42.019385] __x64_sys_ioctl+0x6f/0xb0 [ 42.023262] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.027840] do_syscall_64+0xf9/0x620 [ 42.031632] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.036868] RIP: 0033:0x7fd9cd1f1149 [ 42.040568] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 42.059456] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.067153] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 42.074410] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.081664] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 42.088928] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.096184] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 42.103459] CPU: 0 PID: 8123 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 42.111340] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.120686] Call Trace: [ 42.123277] dump_stack+0x1fc/0x2ef [ 42.126907] should_fail.cold+0xa/0xf [ 42.127590] FAULT_INJECTION: forcing a failure. [ 42.127590] name failslab, interval 1, probability 0, space 0, times 0 [ 42.130701] ? setup_fault_attr+0x200/0x200 [ 42.130717] ? lock_acquire+0x170/0x3c0 [ 42.130739] __should_failslab+0x115/0x180 [ 42.154388] should_failslab+0x5/0x10 [ 42.158188] __kmalloc+0x2ab/0x3c0 [ 42.161725] ? __kfifo_alloc+0x174/0x290 [ 42.165789] __kfifo_alloc+0x174/0x290 [ 42.169681] gsm_dlci_alloc+0xd4/0x410 [ 42.173580] gsm_activate_mux+0x1f4/0x290 [ 42.177722] gsmld_open+0x4fa/0x7e0 [ 42.181352] ? gsmld_close+0x1f0/0x1f0 [ 42.185238] tty_ldisc_open+0x81/0xc0 [ 42.189031] tty_set_ldisc+0x2d2/0x650 [ 42.192910] tty_ioctl+0xb4b/0x1630 [ 42.196543] ? tty_fasync+0x300/0x300 [ 42.200348] ? get_pid_task+0xf4/0x190 [ 42.204235] ? proc_fail_nth_write+0x95/0x1d0 [ 42.208724] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.213644] ? mark_held_locks+0xf0/0xf0 [ 42.217697] ? __vfs_write+0xff/0x770 [ 42.221482] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.226400] ? common_file_perm+0x4e5/0x850 [ 42.230720] ? tty_fasync+0x300/0x300 [ 42.234508] do_vfs_ioctl+0xcdb/0x12e0 [ 42.238382] ? vfs_write+0x3d7/0x540 [ 42.242081] ? ioctl_preallocate+0x200/0x200 [ 42.246483] ? lock_downgrade+0x720/0x720 [ 42.250622] ? check_preemption_disabled+0x41/0x280 [ 42.255630] ? vfs_write+0x393/0x540 [ 42.259348] ? ksys_write+0x1c8/0x2a0 [ 42.263149] ksys_ioctl+0x9b/0xc0 [ 42.266599] __x64_sys_ioctl+0x6f/0xb0 [ 42.270481] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.275067] do_syscall_64+0xf9/0x620 [ 42.278867] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.284071] RIP: 0033:0x7fd9cd1f1149 [ 42.287792] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 42.306689] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.314395] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 42.321650] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.328906] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 42.336164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.343424] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 42.350706] CPU: 1 PID: 8125 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 42.355043] FAULT_INJECTION: forcing a failure. [ 42.355043] name failslab, interval 1, probability 0, space 0, times 0 [ 42.358672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.358677] Call Trace: [ 42.358697] dump_stack+0x1fc/0x2ef [ 42.358720] should_fail.cold+0xa/0xf [ 42.389167] ? setup_fault_attr+0x200/0x200 [ 42.393512] ? lock_acquire+0x170/0x3c0 [ 42.397480] __should_failslab+0x115/0x180 [ 42.401705] should_failslab+0x5/0x10 [ 42.405491] __kmalloc+0x2ab/0x3c0 [ 42.409020] ? __kfifo_alloc+0x174/0x290 [ 42.413070] __kfifo_alloc+0x174/0x290 [ 42.416979] gsm_dlci_alloc+0xd4/0x410 [ 42.420857] gsm_activate_mux+0x1f4/0x290 [ 42.424992] gsmld_open+0x4fa/0x7e0 [ 42.428604] ? gsmld_close+0x1f0/0x1f0 [ 42.432484] tty_ldisc_open+0x81/0xc0 [ 42.436277] tty_set_ldisc+0x2d2/0x650 [ 42.440158] tty_ioctl+0xb4b/0x1630 [ 42.443776] ? tty_fasync+0x300/0x300 [ 42.447575] ? get_pid_task+0xf4/0x190 [ 42.451456] ? proc_fail_nth_write+0x95/0x1d0 [ 42.455943] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.460965] ? mark_held_locks+0xf0/0xf0 [ 42.465029] ? __vfs_write+0xff/0x770 [ 42.468827] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.473761] ? common_file_perm+0x4e5/0x850 [ 42.478091] ? tty_fasync+0x300/0x300 [ 42.481896] do_vfs_ioctl+0xcdb/0x12e0 [ 42.485788] ? vfs_write+0x3d7/0x540 [ 42.489498] ? ioctl_preallocate+0x200/0x200 [ 42.493896] ? lock_downgrade+0x720/0x720 [ 42.498044] ? check_preemption_disabled+0x41/0x280 [ 42.503052] ? vfs_write+0x393/0x540 [ 42.507107] ? ksys_write+0x1c8/0x2a0 [ 42.511074] ksys_ioctl+0x9b/0xc0 [ 42.514523] __x64_sys_ioctl+0x6f/0xb0 [ 42.518405] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.522976] do_syscall_64+0xf9/0x620 [ 42.526775] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.531960] RIP: 0033:0x7fd9cd1f1149 [ 42.535670] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 42.554556] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.562249] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 42.569511] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.576772] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 42.584026] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.591280] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 42.598642] CPU: 0 PID: 8126 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 42.606525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.615969] Call Trace: [ 42.618556] dump_stack+0x1fc/0x2ef [ 42.622189] should_fail.cold+0xa/0xf [ 42.625999] ? setup_fault_attr+0x200/0x200 [ 42.630319] ? lock_acquire+0x170/0x3c0 [ 42.634296] __should_failslab+0x115/0x180 [ 42.638532] should_failslab+0x5/0x10 [ 42.642344] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 42.647449] __kmalloc_node+0x38/0x70 [ 42.651251] __vmalloc_area_node+0x15f/0x780 [ 42.655662] ? __vmalloc_node_range+0x180/0x180 [ 42.660328] ? _raw_spin_unlock+0x29/0x40 [ 42.664479] ? __get_vm_area_node+0x2e2/0x3a0 [ 42.668972] ? n_tty_open+0x16/0x160 [ 42.672686] ? n_tty_open+0x16/0x160 [ 42.676399] vzalloc+0x10a/0x1a0 [ 42.679766] n_tty_open+0x16/0x160 [ 42.683303] ? n_tty_set_termios+0xe10/0xe10 [ 42.687705] tty_ldisc_open+0x81/0xc0 [ 42.691502] tty_ldisc_failto+0x13b/0x1a0 [ 42.695647] tty_set_ldisc+0x4db/0x650 [ 42.699530] tty_ioctl+0xb4b/0x1630 [ 42.703149] ? tty_fasync+0x300/0x300 [ 42.706942] ? get_pid_task+0xf4/0x190 [ 42.710818] ? proc_fail_nth_write+0x95/0x1d0 [ 42.715309] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.720319] ? mark_held_locks+0xf0/0xf0 [ 42.724375] ? __vfs_write+0xff/0x770 [ 42.728164] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 42.733168] ? common_file_perm+0x4e5/0x850 [ 42.737479] ? tty_fasync+0x300/0x300 [ 42.741272] do_vfs_ioctl+0xcdb/0x12e0 [ 42.745152] ? vfs_write+0x3d7/0x540 [ 42.748854] ? ioctl_preallocate+0x200/0x200 [ 42.753253] ? lock_downgrade+0x720/0x720 [ 42.757399] ? check_preemption_disabled+0x41/0x280 [ 42.762404] ? vfs_write+0x393/0x540 [ 42.766109] ? ksys_write+0x1c8/0x2a0 [ 42.769902] ksys_ioctl+0x9b/0xc0 [ 42.773348] __x64_sys_ioctl+0x6f/0xb0 [ 42.777227] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.781800] do_syscall_64+0xf9/0x620 [ 42.785593] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.790801] RIP: 0033:0x7fd9cd1f1149 [ 42.794502] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 42.813398] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 42.821096] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 42.828112] syz-executor297: vmalloc: allocation failure: 9088 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 42.828362] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 42.846869] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 42.851894] syz-executor297 cpuset=/ mems_allowed=0-1 [ 42.854121] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 42.854130] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 42.858448] Falling back ldisc for ptm2. [ 42.871902] CPU: 1 PID: 8124 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 42.880208] FAULT_INJECTION: forcing a failure. [ 42.880208] name failslab, interval 1, probability 0, space 0, times 0 [ 42.886003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.886008] Call Trace: [ 42.886029] dump_stack+0x1fc/0x2ef [ 42.886046] should_fail.cold+0xa/0xf [ 42.886061] ? setup_fault_attr+0x200/0x200 [ 42.886082] ? lock_acquire+0x170/0x3c0 [ 42.897547] FAULT_INJECTION: forcing a failure. [ 42.897547] name failslab, interval 1, probability 0, space 0, times 0 [ 42.906584] __should_failslab+0x115/0x180 [ 42.906602] should_failslab+0x5/0x10 [ 42.906613] __kmalloc+0x2ab/0x3c0 [ 42.906625] ? __kfifo_alloc+0x174/0x290 [ 42.906639] __kfifo_alloc+0x174/0x290 [ 42.955626] gsm_dlci_alloc+0xd4/0x410 [ 42.960203] gsm_activate_mux+0x1f4/0x290 [ 42.964341] gsmld_open+0x4fa/0x7e0 [ 42.967956] ? gsmld_close+0x1f0/0x1f0 [ 42.971832] tty_ldisc_open+0x81/0xc0 [ 42.975626] tty_set_ldisc+0x2d2/0x650 [ 42.979506] tty_ioctl+0xb4b/0x1630 [ 42.983125] ? tty_fasync+0x300/0x300 [ 42.986931] ? get_pid_task+0xf4/0x190 [ 42.990809] ? proc_fail_nth_write+0x95/0x1d0 [ 42.995311] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.000233] ? mark_held_locks+0xf0/0xf0 [ 43.004283] ? __vfs_write+0xff/0x770 [ 43.008074] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.013000] ? common_file_perm+0x4e5/0x850 [ 43.017324] ? tty_fasync+0x300/0x300 [ 43.021122] do_vfs_ioctl+0xcdb/0x12e0 [ 43.025095] ? vfs_write+0x3d7/0x540 [ 43.028798] ? ioctl_preallocate+0x200/0x200 [ 43.033197] ? lock_downgrade+0x720/0x720 [ 43.037336] ? check_preemption_disabled+0x41/0x280 [ 43.042341] ? vfs_write+0x393/0x540 [ 43.046057] ? ksys_write+0x1c8/0x2a0 [ 43.049854] ksys_ioctl+0x9b/0xc0 [ 43.053307] __x64_sys_ioctl+0x6f/0xb0 [ 43.057198] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.061769] do_syscall_64+0xf9/0x620 [ 43.065561] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.070736] RIP: 0033:0x7fd9cd1f1149 [ 43.074435] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 43.093321] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.101036] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 43.108298] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.115563] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 43.122826] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.130083] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 43.137357] CPU: 0 PID: 8127 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 43.145242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.154589] Call Trace: [ 43.157184] dump_stack+0x1fc/0x2ef [ 43.160836] should_fail.cold+0xa/0xf [ 43.164641] ? setup_fault_attr+0x200/0x200 [ 43.168968] ? lock_acquire+0x170/0x3c0 [ 43.172948] __should_failslab+0x115/0x180 [ 43.177183] should_failslab+0x5/0x10 [ 43.180983] __kmalloc+0x2ab/0x3c0 [ 43.184529] ? __kfifo_alloc+0x174/0x290 [ 43.188597] __kfifo_alloc+0x174/0x290 [ 43.192588] gsm_dlci_alloc+0xd4/0x410 [ 43.196482] gsm_activate_mux+0x1f4/0x290 [ 43.200630] gsmld_open+0x4fa/0x7e0 [ 43.204258] ? gsmld_close+0x1f0/0x1f0 [ 43.208143] tty_ldisc_open+0x81/0xc0 [ 43.212047] tty_set_ldisc+0x2d2/0x650 [ 43.215940] tty_ioctl+0xb4b/0x1630 [ 43.219559] ? tty_fasync+0x300/0x300 [ 43.223352] ? get_pid_task+0xf4/0x190 [ 43.227233] ? proc_fail_nth_write+0x95/0x1d0 [ 43.231746] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.236675] ? mark_held_locks+0xf0/0xf0 [ 43.240735] ? __vfs_write+0xff/0x770 [ 43.244527] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.249446] ? common_file_perm+0x4e5/0x850 [ 43.253760] ? tty_fasync+0x300/0x300 [ 43.257550] do_vfs_ioctl+0xcdb/0x12e0 [ 43.261425] ? vfs_write+0x3d7/0x540 [ 43.265125] ? ioctl_preallocate+0x200/0x200 [ 43.269531] ? lock_downgrade+0x720/0x720 [ 43.273673] ? check_preemption_disabled+0x41/0x280 [ 43.278698] ? vfs_write+0x393/0x540 [ 43.282412] ? ksys_write+0x1c8/0x2a0 [ 43.286204] ksys_ioctl+0x9b/0xc0 [ 43.289648] __x64_sys_ioctl+0x6f/0xb0 [ 43.293525] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.298106] do_syscall_64+0xf9/0x620 [ 43.301905] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.307088] RIP: 0033:0x7fd9cd1f1149 [ 43.310797] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 43.329702] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.337402] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 43.344662] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.351930] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 43.359196] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.366463] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 43.373828] CPU: 1 PID: 8122 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 43.381093] FAULT_INJECTION: forcing a failure. [ 43.381093] name failslab, interval 1, probability 0, space 0, times 0 [ 43.381711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.381716] Call Trace: [ 43.381734] dump_stack+0x1fc/0x2ef [ 43.381754] warn_alloc.cold+0x7b/0x18f [ 43.393368] FAULT_INJECTION: forcing a failure. [ 43.393368] name failslab, interval 1, probability 0, space 0, times 0 [ 43.402262] ? zone_watermark_ok_safe+0x260/0x260 [ 43.402275] ? debug_check_no_obj_freed+0x201/0x490 [ 43.402291] ? mark_held_locks+0xa6/0xf0 [ 43.402305] ? __get_vm_area_node+0x312/0x3a0 [ 43.402321] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.446496] ? __get_vm_area_node+0x2e2/0x3a0 [ 43.450991] ? n_tty_open+0x16/0x160 [ 43.454721] vzalloc+0x15c/0x1a0 [ 43.458079] n_tty_open+0x16/0x160 [ 43.461622] ? n_tty_set_termios+0xe10/0xe10 [ 43.466027] tty_ldisc_open+0x81/0xc0 [ 43.469824] tty_ldisc_failto+0x13b/0x1a0 [ 43.474086] tty_set_ldisc+0x4db/0x650 [ 43.477966] tty_ioctl+0xb4b/0x1630 [ 43.481585] ? tty_fasync+0x300/0x300 [ 43.485401] ? get_pid_task+0xf4/0x190 [ 43.489396] ? proc_fail_nth_write+0x95/0x1d0 [ 43.493886] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.498812] ? mark_held_locks+0xf0/0xf0 [ 43.502869] ? __vfs_write+0xff/0x770 [ 43.506658] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.511593] ? common_file_perm+0x4e5/0x850 [ 43.515992] ? tty_fasync+0x300/0x300 [ 43.519783] do_vfs_ioctl+0xcdb/0x12e0 [ 43.523681] ? vfs_write+0x3d7/0x540 [ 43.527383] ? ioctl_preallocate+0x200/0x200 [ 43.531787] ? lock_downgrade+0x720/0x720 [ 43.535928] ? check_preemption_disabled+0x41/0x280 [ 43.540942] ? vfs_write+0x393/0x540 [ 43.544661] ? ksys_write+0x1c8/0x2a0 [ 43.548458] ksys_ioctl+0x9b/0xc0 [ 43.551905] __x64_sys_ioctl+0x6f/0xb0 [ 43.555782] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.560356] do_syscall_64+0xf9/0x620 [ 43.564159] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.569349] RIP: 0033:0x7fd9cd1f1149 [ 43.573052] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 43.591939] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.599636] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 43.606893] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.614159] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 43.621427] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.628690] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 43.635976] CPU: 0 PID: 8130 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 43.643861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.653222] Call Trace: [ 43.655806] dump_stack+0x1fc/0x2ef [ 43.659434] should_fail.cold+0xa/0xf [ 43.663324] ? setup_fault_attr+0x200/0x200 [ 43.667649] ? lock_acquire+0x170/0x3c0 [ 43.671628] __should_failslab+0x115/0x180 [ 43.675859] should_failslab+0x5/0x10 [ 43.679657] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 43.684766] alloc_vmap_area+0x12e/0x980 [ 43.688822] ? setup_fault_attr+0x200/0x200 [ 43.693143] ? lock_acquire+0x170/0x3c0 [ 43.697120] ? check_preemption_disabled+0x41/0x280 [ 43.702145] ? __get_vm_area_node+0x128/0x3a0 [ 43.706631] ? purge_vmap_area_lazy+0xc0/0xc0 [ 43.711125] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 43.716137] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 43.721407] __get_vm_area_node+0x17b/0x3a0 [ 43.725756] ? n_tty_open+0x16/0x160 [ 43.729461] vzalloc+0xe6/0x1a0 [ 43.732732] ? n_tty_open+0x16/0x160 [ 43.736437] n_tty_open+0x16/0x160 [ 43.739969] ? n_tty_set_termios+0xe10/0xe10 [ 43.744372] tty_ldisc_open+0x81/0xc0 [ 43.748257] tty_ldisc_failto+0x13b/0x1a0 [ 43.752399] tty_set_ldisc+0x4db/0x650 [ 43.756280] tty_ioctl+0xb4b/0x1630 [ 43.759897] ? tty_fasync+0x300/0x300 [ 43.763690] ? get_pid_task+0xf4/0x190 [ 43.767571] ? proc_fail_nth_write+0x95/0x1d0 [ 43.772058] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.776992] ? mark_held_locks+0xf0/0xf0 [ 43.781044] ? __vfs_write+0xff/0x770 [ 43.784832] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 43.789749] ? common_file_perm+0x4e5/0x850 [ 43.794064] ? tty_fasync+0x300/0x300 [ 43.797857] do_vfs_ioctl+0xcdb/0x12e0 [ 43.801736] ? vfs_write+0x3d7/0x540 [ 43.805438] ? ioctl_preallocate+0x200/0x200 [ 43.809837] ? lock_downgrade+0x720/0x720 [ 43.813979] ? check_preemption_disabled+0x41/0x280 [ 43.818997] ? vfs_write+0x393/0x540 [ 43.822716] ? ksys_write+0x1c8/0x2a0 [ 43.826523] ksys_ioctl+0x9b/0xc0 [ 43.827075] FAULT_INJECTION: forcing a failure. [ 43.827075] name failslab, interval 1, probability 0, space 0, times 0 [ 43.830144] __x64_sys_ioctl+0x6f/0xb0 [ 43.830161] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 43.830174] do_syscall_64+0xf9/0x620 [ 43.830195] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 43.858798] RIP: 0033:0x7fd9cd1f1149 [ 43.862509] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 43.881406] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 43.889122] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 43.896393] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 43.903656] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 43.910915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 43.918260] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 43.925538] CPU: 1 PID: 8128 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 43.933429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 43.942783] Call Trace: [ 43.945383] dump_stack+0x1fc/0x2ef [ 43.949017] should_fail.cold+0xa/0xf [ 43.952856] ? setup_fault_attr+0x200/0x200 [ 43.957172] ? lock_acquire+0x170/0x3c0 [ 43.961145] __should_failslab+0x115/0x180 [ 43.965373] should_failslab+0x5/0x10 [ 43.969162] __kmalloc+0x2ab/0x3c0 [ 43.972695] ? __kfifo_alloc+0x174/0x290 [ 43.976748] __kfifo_alloc+0x174/0x290 [ 43.980633] gsm_dlci_alloc+0xd4/0x410 [ 43.984515] gsm_activate_mux+0x1f4/0x290 [ 43.988655] gsmld_open+0x4fa/0x7e0 [ 43.992276] ? gsmld_close+0x1f0/0x1f0 [ 43.996152] tty_ldisc_open+0x81/0xc0 [ 43.999946] tty_set_ldisc+0x2d2/0x650 [ 44.003828] tty_ioctl+0xb4b/0x1630 [ 44.007455] ? tty_fasync+0x300/0x300 [ 44.011255] ? get_pid_task+0xf4/0x190 [ 44.015136] ? proc_fail_nth_write+0x95/0x1d0 [ 44.019620] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.024540] ? mark_held_locks+0xf0/0xf0 [ 44.028600] ? __vfs_write+0xff/0x770 [ 44.032390] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.037319] ? common_file_perm+0x4e5/0x850 [ 44.042675] ? tty_fasync+0x300/0x300 [ 44.046465] do_vfs_ioctl+0xcdb/0x12e0 [ 44.050344] ? vfs_write+0x3d7/0x540 [ 44.054049] ? ioctl_preallocate+0x200/0x200 [ 44.058448] ? lock_downgrade+0x720/0x720 [ 44.062605] ? check_preemption_disabled+0x41/0x280 [ 44.067627] ? vfs_write+0x393/0x540 [ 44.071347] ? ksys_write+0x1c8/0x2a0 [ 44.072791] FAULT_INJECTION: forcing a failure. [ 44.072791] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 44.075150] ksys_ioctl+0x9b/0xc0 [ 44.090386] __x64_sys_ioctl+0x6f/0xb0 [ 44.094266] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 44.098838] do_syscall_64+0xf9/0x620 [ 44.102633] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.107814] RIP: 0033:0x7fd9cd1f1149 [ 44.111515] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 44.131096] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.138790] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 44.146050] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.153314] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 44.160569] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.167829] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 44.175109] CPU: 0 PID: 8134 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 44.182984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.192334] Call Trace: [ 44.194925] dump_stack+0x1fc/0x2ef [ 44.198562] should_fail.cold+0xa/0xf [ 44.202379] ? setup_fault_attr+0x200/0x200 [ 44.206835] __alloc_pages_nodemask+0x239/0x2890 [ 44.211613] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.216467] ? __lock_acquire+0x6de/0x3ff0 [ 44.220714] ? __debug_object_init+0x410/0x9b0 [ 44.225304] ? mark_held_locks+0xf0/0xf0 [ 44.229360] ? mark_held_locks+0xa6/0xf0 [ 44.233420] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 44.238521] cache_grow_begin+0xa4/0x8a0 [ 44.242574] ? setup_fault_attr+0x200/0x200 [ 44.246889] cache_alloc_refill+0x273/0x340 [ 44.251212] kmem_cache_alloc_trace+0x354/0x380 [ 44.255997] gsm_dlci_alloc+0x46/0x410 [ 44.259892] gsm_activate_mux+0x1f4/0x290 [ 44.264037] gsmld_open+0x4fa/0x7e0 [ 44.267658] ? gsmld_close+0x1f0/0x1f0 [ 44.271540] tty_ldisc_open+0x81/0xc0 [ 44.275336] tty_set_ldisc+0x2d2/0x650 [ 44.279219] tty_ioctl+0xb4b/0x1630 [ 44.282843] ? tty_fasync+0x300/0x300 [ 44.286648] ? get_pid_task+0xf4/0x190 [ 44.290533] ? proc_fail_nth_write+0x95/0x1d0 [ 44.295024] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.298777] warn_alloc_show_mem: 1 callbacks suppressed [ 44.298781] Mem-Info: [ 44.299947] ? mark_held_locks+0xf0/0xf0 [ 44.299966] ? __vfs_write+0xff/0x770 [ 44.299980] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.320552] ? common_file_perm+0x4e5/0x850 [ 44.322301] active_anon:5600 inactive_anon:4719 isolated_anon:0 [ 44.322301] active_file:5342 inactive_file:10041 isolated_file:0 [ 44.322301] unevictable:0 dirty:6054 writeback:0 unstable:0 [ 44.322301] slab_reclaimable:16167 slab_unreclaimable:113700 [ 44.322301] mapped:3818 shmem:4898 pagetables:388 bounce:0 [ 44.322301] free:1530796 free_pcp:514 free_cma:0 [ 44.324968] ? tty_fasync+0x300/0x300 [ 44.324985] do_vfs_ioctl+0xcdb/0x12e0 [ 44.325018] ? vfs_write+0x3d7/0x540 [ 44.370140] ? ioctl_preallocate+0x200/0x200 [ 44.374550] ? lock_downgrade+0x720/0x720 [ 44.378699] ? check_preemption_disabled+0x41/0x280 [ 44.383710] ? vfs_write+0x393/0x540 [ 44.387427] ? ksys_write+0x1c8/0x2a0 [ 44.391223] ksys_ioctl+0x9b/0xc0 [ 44.394680] __x64_sys_ioctl+0x6f/0xb0 [ 44.398561] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 44.400916] Node 0 active_anon:22400kB inactive_anon:18876kB active_file:21244kB inactive_file:40164kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:15272kB dirty:24208kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 8192kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 44.403135] do_syscall_64+0xf9/0x620 [ 44.403154] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.403166] RIP: 0033:0x7fd9cd1f1149 [ 44.403180] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 44.462980] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.468864] Node 1 active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 44.470686] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 44.470694] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.470700] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 44.470708] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.470716] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 44.471371] CPU: 0 PID: 8129 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 44.532382] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.532977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.532982] Call Trace: [ 44.533005] dump_stack+0x1fc/0x2ef [ 44.533021] should_fail.cold+0xa/0xf [ 44.552136] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 44.567086] ? setup_fault_attr+0x200/0x200 [ 44.567101] ? lock_acquire+0x170/0x3c0 [ 44.567119] __should_failslab+0x115/0x180 [ 44.567135] should_failslab+0x5/0x10 [ 44.567147] __kmalloc+0x2ab/0x3c0 [ 44.567157] ? __kfifo_alloc+0x174/0x290 [ 44.567174] __kfifo_alloc+0x174/0x290 [ 44.606276] Node 0 DMA32 free:2068596kB min:35996kB low:44992kB high:53988kB active_anon:22400kB inactive_anon:18876kB active_file:21244kB inactive_file:40164kB unevictable:0kB writepending:24208kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6848kB pagetables:1568kB bounce:0kB free_pcp:2028kB local_pcp:1380kB free_cma:0kB [ 44.607712] gsm_dlci_alloc+0xd4/0x410 [ 44.607728] gsm_activate_mux+0x1f4/0x290 [ 44.607740] gsmld_open+0x4fa/0x7e0 [ 44.617638] lowmem_reserve[]: 0 0 1 1 1 [ 44.619619] ? gsmld_close+0x1f0/0x1f0 [ 44.619633] tty_ldisc_open+0x81/0xc0 [ 44.619650] tty_set_ldisc+0x2d2/0x650 [ 44.676814] tty_ioctl+0xb4b/0x1630 [ 44.680448] ? tty_fasync+0x300/0x300 [ 44.684267] ? get_pid_task+0xf4/0x190 [ 44.688165] ? proc_fail_nth_write+0x95/0x1d0 [ 44.688742] FAULT_INJECTION: forcing a failure. [ 44.688742] name failslab, interval 1, probability 0, space 0, times 0 [ 44.692657] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.692674] ? mark_held_locks+0xf0/0xf0 [ 44.692691] ? __vfs_write+0xff/0x770 [ 44.692702] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 44.692715] ? common_file_perm+0x4e5/0x850 [ 44.692729] ? tty_fasync+0x300/0x300 [ 44.692741] do_vfs_ioctl+0xcdb/0x12e0 [ 44.692758] ? vfs_write+0x3d7/0x540 [ 44.707361] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.708834] ? ioctl_preallocate+0x200/0x200 [ 44.708852] ? lock_downgrade+0x720/0x720 [ 44.708874] ? check_preemption_disabled+0x41/0x280 [ 44.725611] lowmem_reserve[]: 0 0 0 0 0 [ 44.725911] ? vfs_write+0x393/0x540 [ 44.735446] Node 1 Normal free:4038536kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.737262] ? ksys_write+0x1c8/0x2a0 [ 44.737279] ksys_ioctl+0x9b/0xc0 [ 44.737294] __x64_sys_ioctl+0x6f/0xb0 [ 44.821570] lowmem_reserve[]: 0 0 0 0 0 [ 44.823017] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 44.823032] do_syscall_64+0xf9/0x620 [ 44.823050] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 44.829269] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 44.831580] RIP: 0033:0x7fd9cd1f1149 [ 44.831593] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 44.831600] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 44.831611] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 44.831617] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 44.831624] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 44.831631] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 44.831638] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 44.832462] syz-executor297: vmalloc: allocation failure: 9088 bytes, mode:0x6080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 44.842660] CPU: 1 PID: 8135 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 44.854440] syz-executor297 cpuset=/ mems_allowed=0-1 [ 44.858081] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.858086] Call Trace: [ 44.858107] dump_stack+0x1fc/0x2ef [ 44.858124] should_fail.cold+0xa/0xf [ 44.858142] ? setup_fault_attr+0x200/0x200 [ 44.968820] ? lock_acquire+0x170/0x3c0 [ 44.972792] __should_failslab+0x115/0x180 [ 44.977019] should_failslab+0x5/0x10 [ 44.980816] kmem_cache_alloc_trace+0x284/0x380 [ 44.985481] tty_register_device_attr+0x21c/0x7a0 [ 44.990317] ? redirected_tty_write+0xb0/0xb0 [ 44.994803] ? __lockdep_init_map+0x100/0x5a0 [ 44.999287] ? __raw_spin_lock_init+0x28/0x100 [ 45.003864] ? tty_port_init+0x14d/0x1b0 [ 45.007923] ? gsm_dlci_alloc+0x353/0x410 [ 45.012063] gsmld_open+0x55f/0x7e0 [ 45.015682] ? gsmld_close+0x1f0/0x1f0 [ 45.019564] tty_ldisc_open+0x81/0xc0 [ 45.023356] tty_set_ldisc+0x2d2/0x650 [ 45.027238] tty_ioctl+0xb4b/0x1630 [ 45.030866] ? tty_fasync+0x300/0x300 [ 45.034663] ? get_pid_task+0xf4/0x190 [ 45.038564] ? proc_fail_nth_write+0x95/0x1d0 [ 45.043060] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.047985] ? mark_held_locks+0xf0/0xf0 [ 45.052046] ? __vfs_write+0xff/0x770 [ 45.055838] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.060759] ? common_file_perm+0x4e5/0x850 [ 45.065077] ? tty_fasync+0x300/0x300 [ 45.068871] do_vfs_ioctl+0xcdb/0x12e0 [ 45.072749] ? vfs_write+0x3d7/0x540 [ 45.076463] ? ioctl_preallocate+0x200/0x200 [ 45.080876] ? lock_downgrade+0x720/0x720 [ 45.085043] ? check_preemption_disabled+0x41/0x280 [ 45.090073] ? vfs_write+0x393/0x540 [ 45.093799] ? ksys_write+0x1c8/0x2a0 [ 45.097604] ksys_ioctl+0x9b/0xc0 [ 45.101065] __x64_sys_ioctl+0x6f/0xb0 [ 45.104962] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.109552] do_syscall_64+0xf9/0x620 [ 45.113363] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.118556] RIP: 0033:0x7fd9cd1f1149 [ 45.122272] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.141176] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.148895] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 45.156172] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.163467] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 45.170751] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.178030] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 45.193686] CPU: 1 PID: 8131 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 45.201589] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.211163] Call Trace: [ 45.213768] dump_stack+0x1fc/0x2ef [ 45.217411] should_fail.cold+0xa/0xf [ 45.218406] FAULT_INJECTION: forcing a failure. [ 45.218406] name failslab, interval 1, probability 0, space 0, times 0 [ 45.221223] ? setup_fault_attr+0x200/0x200 [ 45.221237] ? lock_acquire+0x170/0x3c0 [ 45.221255] __should_failslab+0x115/0x180 [ 45.221276] should_failslab+0x5/0x10 [ 45.248723] kmem_cache_alloc_trace+0x284/0x380 [ 45.253402] tty_register_device_attr+0x21c/0x7a0 [ 45.258256] ? redirected_tty_write+0xb0/0xb0 [ 45.262758] ? __lockdep_init_map+0x100/0x5a0 [ 45.267274] ? __raw_spin_lock_init+0x28/0x100 [ 45.271867] ? tty_port_init+0x14d/0x1b0 [ 45.275938] ? gsm_dlci_alloc+0x353/0x410 [ 45.280099] gsmld_open+0x55f/0x7e0 [ 45.283735] ? gsmld_close+0x1f0/0x1f0 [ 45.287639] tty_ldisc_open+0x81/0xc0 [ 45.291449] tty_set_ldisc+0x2d2/0x650 [ 45.295349] tty_ioctl+0xb4b/0x1630 [ 45.299007] ? tty_fasync+0x300/0x300 [ 45.302821] ? get_pid_task+0xf4/0x190 [ 45.306715] ? proc_fail_nth_write+0x95/0x1d0 [ 45.311220] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.316164] ? mark_held_locks+0xf0/0xf0 [ 45.320233] ? __vfs_write+0xff/0x770 [ 45.324039] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.328994] ? common_file_perm+0x4e5/0x850 [ 45.333326] ? tty_fasync+0x300/0x300 [ 45.337134] do_vfs_ioctl+0xcdb/0x12e0 [ 45.341045] ? vfs_write+0x3d7/0x540 [ 45.344766] ? ioctl_preallocate+0x200/0x200 [ 45.349190] ? lock_downgrade+0x720/0x720 [ 45.353352] ? check_preemption_disabled+0x41/0x280 [ 45.358386] ? vfs_write+0x393/0x540 [ 45.362125] ? ksys_write+0x1c8/0x2a0 [ 45.365937] ksys_ioctl+0x9b/0xc0 [ 45.369408] __x64_sys_ioctl+0x6f/0xb0 [ 45.373312] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.377904] do_syscall_64+0xf9/0x620 [ 45.381714] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.386897] RIP: 0033:0x7fd9cd1f1149 [ 45.390608] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.409509] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.417223] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 45.424496] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.431769] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 45.439039] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.446314] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 45.455039] CPU: 0 PID: 8178 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 45.462938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.463890] Node 0 DMA32: 970*4kB (UE) 2*8kB (UE) 26*16kB (U) 125*32kB (UE) 27*64kB (UME) 5*128kB (UME) 2*256kB (UE) 2*512kB (U) 1*1024kB (E) 3*2048kB (UME) 500*4096kB (M) = 2067384kB [ 45.472296] Call Trace: [ 45.472321] dump_stack+0x1fc/0x2ef [ 45.472341] should_fail.cold+0xa/0xf [ 45.472356] ? setup_fault_attr+0x200/0x200 [ 45.472369] ? lock_acquire+0x170/0x3c0 [ 45.472386] __should_failslab+0x115/0x180 [ 45.472401] should_failslab+0x5/0x10 [ 45.472413] __kmalloc+0x2ab/0x3c0 [ 45.472424] ? __kfifo_alloc+0x174/0x290 [ 45.472439] __kfifo_alloc+0x174/0x290 [ 45.515620] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 45.519126] gsm_dlci_alloc+0xd4/0x410 [ 45.519143] gsm_activate_mux+0x1f4/0x290 [ 45.519155] gsmld_open+0x4fa/0x7e0 [ 45.531052] Node 1 Normal: 100*4kB (UE) 381*8kB (UE) 303*16kB (UME) 73*32kB (UME) 28*64kB (UME) 18*128kB (UME) 12*256kB (UME) 7*512kB (UME) 3*1024kB (UM) 0*2048kB 980*4096kB (M) = 4038536kB [ 45.538063] ? gsmld_close+0x1f0/0x1f0 [ 45.538079] tty_ldisc_open+0x81/0xc0 [ 45.538091] tty_set_ldisc+0x2d2/0x650 [ 45.538108] tty_ioctl+0xb4b/0x1630 [ 45.553482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.566800] ? tty_fasync+0x300/0x300 [ 45.566817] ? get_pid_task+0xf4/0x190 [ 45.566830] ? proc_fail_nth_write+0x95/0x1d0 [ 45.566843] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.566858] ? mark_held_locks+0xf0/0xf0 [ 45.566880] ? __vfs_write+0xff/0x770 [ 45.573454] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.574539] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.574554] ? common_file_perm+0x4e5/0x850 [ 45.574568] ? tty_fasync+0x300/0x300 [ 45.574582] do_vfs_ioctl+0xcdb/0x12e0 [ 45.578511] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.582061] ? vfs_write+0x3d7/0x540 [ 45.582076] ? ioctl_preallocate+0x200/0x200 [ 45.582090] ? lock_downgrade+0x720/0x720 [ 45.582107] ? check_preemption_disabled+0x41/0x280 [ 45.582123] ? vfs_write+0x393/0x540 [ 45.582137] ? ksys_write+0x1c8/0x2a0 [ 45.582150] ksys_ioctl+0x9b/0xc0 [ 45.582168] __x64_sys_ioctl+0x6f/0xb0 [ 45.605785] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.608015] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.608030] do_syscall_64+0xf9/0x620 [ 45.608048] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.620333] 20345 total pagecache pages [ 45.624428] RIP: 0033:0x7fd9cd1f1149 [ 45.624441] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.624448] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.624460] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 45.624467] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 45.624481] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 45.624488] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 45.624495] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 45.785299] CPU: 1 PID: 8130 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 45.793213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.802566] Call Trace: [ 45.805167] dump_stack+0x1fc/0x2ef [ 45.808805] warn_alloc.cold+0x7b/0x18f [ 45.812790] ? zone_watermark_ok_safe+0x260/0x260 [ 45.817642] ? debug_check_no_obj_freed+0x201/0x490 [ 45.822671] ? mark_held_locks+0xa6/0xf0 [ 45.826764] ? __get_vm_area_node+0x312/0x3a0 [ 45.831280] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.835874] ? __get_vm_area_node+0x2e2/0x3a0 [ 45.840380] ? n_tty_open+0x16/0x160 [ 45.844107] vzalloc+0x15c/0x1a0 [ 45.847495] n_tty_open+0x16/0x160 [ 45.851044] ? n_tty_set_termios+0xe10/0xe10 [ 45.855459] tty_ldisc_open+0x81/0xc0 [ 45.859272] tty_ldisc_failto+0x13b/0x1a0 [ 45.863427] tty_set_ldisc+0x4db/0x650 [ 45.867325] tty_ioctl+0xb4b/0x1630 [ 45.870965] ? tty_fasync+0x300/0x300 [ 45.874775] ? get_pid_task+0xf4/0x190 [ 45.878668] ? proc_fail_nth_write+0x95/0x1d0 [ 45.883175] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.888125] ? mark_held_locks+0xf0/0xf0 [ 45.892197] ? __vfs_write+0xff/0x770 [ 45.896000] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 45.900934] ? common_file_perm+0x4e5/0x850 [ 45.905268] ? tty_fasync+0x300/0x300 [ 45.909079] do_vfs_ioctl+0xcdb/0x12e0 [ 45.912974] ? vfs_write+0x3d7/0x540 [ 45.916693] ? ioctl_preallocate+0x200/0x200 [ 45.921197] ? lock_downgrade+0x720/0x720 [ 45.925356] ? check_preemption_disabled+0x41/0x280 [ 45.930470] ? vfs_write+0x393/0x540 [ 45.934196] ? ksys_write+0x1c8/0x2a0 [ 45.938007] ksys_ioctl+0x9b/0xc0 [ 45.941470] __x64_sys_ioctl+0x6f/0xb0 [ 45.945366] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 45.949962] do_syscall_64+0xf9/0x620 [ 45.953773] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 45.958965] RIP: 0033:0x7fd9cd1f1149 [ 45.962688] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 45.981598] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 45.989312] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 45.996589] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.003869] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 46.011140] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.018417] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 46.058642] FAULT_INJECTION: forcing a failure. [ 46.058642] name failslab, interval 1, probability 0, space 0, times 0 [ 46.067931] FAULT_INJECTION: forcing a failure. [ 46.067931] name failslab, interval 1, probability 0, space 0, times 0 [ 46.083515] CPU: 1 PID: 8279 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 46.091419] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.093665] kasan: CONFIG_KASAN_INLINE enabled [ 46.100777] Call Trace: [ 46.100800] dump_stack+0x1fc/0x2ef [ 46.100817] should_fail.cold+0xa/0xf [ 46.100832] ? setup_fault_attr+0x200/0x200 [ 46.100845] ? lock_acquire+0x170/0x3c0 [ 46.100869] __should_failslab+0x115/0x180 [ 46.114680] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 46.115663] should_failslab+0x5/0x10 [ 46.126292] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 46.128141] __kmalloc+0x2ab/0x3c0 [ 46.135480] CPU: 0 PID: 8131 Comm: syz-executor297 Not tainted 4.19.211-syzkaller #0 [ 46.139259] ? __kfifo_alloc+0x174/0x290 [ 46.145462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.148982] __kfifo_alloc+0x174/0x290 [ 46.156843] RIP: 0010:cdev_del+0x22/0x90 [ 46.160883] gsm_dlci_alloc+0xd4/0x410 [ 46.170212] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 dc be 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 48 [ 46.174085] gsm_activate_mux+0x1f4/0x290 [ 46.178117] RSP: 0018:ffff888095ddfba0 EFLAGS: 00010207 [ 46.181987] gsmld_open+0x4fa/0x7e0 [ 46.200868] RAX: dffffc0000000000 RBX: ffff88823892d000 RCX: ffffffff83b8674f [ 46.204994] ? gsmld_close+0x1f0/0x1f0 [ 46.210330] RDX: 000000000000000c RSI: ffffffff81a3a8bd RDI: 0000000000000064 [ 46.213935] tty_ldisc_open+0x81/0xc0 [ 46.221178] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 46.225043] tty_set_ldisc+0x2d2/0x650 [ 46.232287] R10: 0000000000000007 R11: 0000000000000000 R12: ffff88823892d008 [ 46.236072] tty_ioctl+0xb4b/0x1630 [ 46.243347] R13: ffff88823899d188 R14: ffff8880ae075780 R15: ffff8880955ecaf8 [ 46.247228] ? tty_fasync+0x300/0x300 [ 46.254474] FS: 0000555556258300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 46.258080] ? get_pid_task+0xf4/0x190 [ 46.265326] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.269107] ? proc_fail_nth_write+0x95/0x1d0 [ 46.277304] CR2: 00007ff1aec659a5 CR3: 000000009aa90000 CR4: 00000000003406f0 [ 46.281169] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.287024] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.291504] ? mark_held_locks+0xf0/0xf0 [ 46.298745] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.303667] ? __vfs_write+0xff/0x770 [ 46.310917] Call Trace: [ 46.314982] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.322232] tty_unregister_device+0x112/0x1b0 [ 46.326020] ? common_file_perm+0x4e5/0x850 [ 46.328586] gsmld_close+0xaa/0x1f0 [ 46.333500] ? tty_fasync+0x300/0x300 [ 46.338064] ? gsm_cleanup_mux+0x3e0/0x3e0 [ 46.342361] do_vfs_ioctl+0xcdb/0x12e0 [ 46.345966] tty_ldisc_close+0xa2/0xd0 [ 46.349762] ? vfs_write+0x3d7/0x540 [ 46.353969] tty_ldisc_release+0xf5/0x440 [ 46.357833] ? ioctl_preallocate+0x200/0x200 [ 46.361697] tty_release_struct+0x20/0xe0 [ 46.365389] ? lock_downgrade+0x720/0x720 [ 46.369513] tty_release+0xc70/0x1210 [ 46.373904] ? check_preemption_disabled+0x41/0x280 [ 46.378027] ? do_tty_hangup+0x30/0x30 [ 46.382150] ? vfs_write+0x393/0x540 [ 46.385926] __fput+0x2ce/0x890 [ 46.390918] ? ksys_write+0x1c8/0x2a0 [ 46.394783] task_work_run+0x148/0x1c0 [ 46.398470] ksys_ioctl+0x9b/0xc0 [ 46.401724] do_exit+0xbf3/0x2be0 [ 46.405502] __x64_sys_ioctl+0x6f/0xb0 [ 46.409373] ? lock_downgrade+0x720/0x720 [ 46.412797] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.416226] ? mm_update_next_owner+0x650/0x650 [ 46.420090] do_syscall_64+0xf9/0x620 [ 46.424213] ? up_read+0x17/0x110 [ 46.428776] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.433437] ? __do_page_fault+0x180/0xd60 [ 46.437211] RIP: 0033:0x7fd9cd1f1149 [ 46.440648] do_group_exit+0x125/0x310 [ 46.445811] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.450033] __x64_sys_exit_group+0x3a/0x50 [ 46.453718] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.457588] do_syscall_64+0xf9/0x620 [ 46.476641] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 46.480948] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.488616] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.488626] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 46.492407] RIP: 0033:0x7fd9cd1efdd9 [ 46.499670] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.504854] Code: Bad RIP value. [ 46.512100] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 46.519348] RSP: 002b:00007ffe188153a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 46.549461] RAX: ffffffffffffffda RBX: 00007fd9cd2643f0 RCX: 00007fd9cd1efdd9 [ 46.554144] Mem-Info: [ 46.556728] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 46.556736] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 46.556742] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9cd2643f0 [ 46.556754] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 46.559211] active_anon:5523 inactive_anon:4745 isolated_anon:0 [ 46.559211] active_file:5342 inactive_file:10059 isolated_file:0 [ 46.559211] unevictable:0 dirty:6069 writeback:0 unstable:0 [ 46.559211] slab_reclaimable:16176 slab_unreclaimable:113259 [ 46.559211] mapped:3860 shmem:4925 pagetables:629 bounce:0 [ 46.559211] free:1530909 free_pcp:401 free_cma:0 [ 46.566579] Modules linked in: [ 46.575931] CPU: 0 PID: 8342 Comm: syz-executor297 Tainted: G D 4.19.211-syzkaller #0 [ 46.588670] Node 0 active_anon:22184kB inactive_anon:19056kB active_file:21244kB inactive_file:40284kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:15440kB dirty:24316kB writeback:0kB shmem:19776kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 46.622306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.622311] Call Trace: [ 46.622330] dump_stack+0x1fc/0x2ef [ 46.622344] should_fail.cold+0xa/0xf [ 46.622356] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 46.622369] ? setup_fault_attr+0x200/0x200 [ 46.622382] ? gsm_activate_mux+0x1ea/0x290 [ 46.622394] __should_failslab+0x115/0x180 [ 46.622407] should_failslab+0x5/0x10 [ 46.622425] kmem_cache_alloc_trace+0x46/0x380 [ 46.622440] gsm_dlci_alloc+0x46/0x410 [ 46.622453] gsm_activate_mux+0x1f4/0x290 [ 46.622464] gsmld_open+0x4fa/0x7e0 [ 46.622474] ? gsmld_close+0x1f0/0x1f0 [ 46.622485] tty_ldisc_open+0x81/0xc0 [ 46.622496] tty_set_ldisc+0x2d2/0x650 [ 46.622510] tty_ioctl+0xb4b/0x1630 [ 46.622525] ? tty_fasync+0x300/0x300 [ 46.632534] Node 1 active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 46.634963] ? get_pid_task+0xf4/0x190 [ 46.634980] ? proc_fail_nth_write+0x95/0x1d0 [ 46.664774] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.672679] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.672693] ? mark_held_locks+0xf0/0xf0 [ 46.672707] ? __vfs_write+0xff/0x770 [ 46.672721] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.676791] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 46.678899] ? common_file_perm+0x4e5/0x850 [ 46.678919] ? tty_fasync+0x300/0x300 [ 46.683655] Node 0 DMA32 free:2071048kB min:35996kB low:44992kB high:53988kB active_anon:22184kB inactive_anon:19056kB active_file:21244kB inactive_file:40284kB unevictable:0kB writepending:24316kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:7232kB pagetables:2548kB bounce:0kB free_pcp:1532kB local_pcp:1096kB free_cma:0kB [ 46.687786] do_vfs_ioctl+0xcdb/0x12e0 [ 46.687799] ? vfs_write+0x3d7/0x540 [ 46.687813] ? ioctl_preallocate+0x200/0x200 [ 46.693419] lowmem_reserve[]: 0 0 1 1 1 [ 46.696423] ? lock_downgrade+0x720/0x720 [ 46.696443] ? check_preemption_disabled+0x41/0x280 [ 46.701592] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.704435] ? vfs_write+0x393/0x540 [ 46.704447] ? ksys_write+0x1c8/0x2a0 [ 46.704461] ksys_ioctl+0x9b/0xc0 [ 46.709064] lowmem_reserve[]: 0 0 0 0 0 [ 46.712890] __x64_sys_ioctl+0x6f/0xb0 [ 46.712903] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 46.712915] do_syscall_64+0xf9/0x620 [ 46.712929] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.712942] RIP: 0033:0x7fd9cd1f1149 [ 46.719932] Node 1 Normal free:4038536kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.720674] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.720680] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.720691] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 46.720697] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.720703] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 46.720709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.720720] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 46.726869] lowmem_reserve[]: 0 0 0 0 0 [ 46.736551] 0 pages in swap cache [ 46.744802] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 46.767994] Swap cache stats: add 0, delete 0, find 0/0 [ 46.774986] Node 0 DMA32: 782*4kB (UE) 111*8kB (UME) 85*16kB (UME) 175*32kB (UME) 33*64kB (UME) 6*128kB (UE) 3*256kB (UME) 2*512kB (U) 2*1024kB (ME) 3*2048kB (UME) 500*4096kB (M) = 2071840kB [ 46.803865] FAULT_INJECTION: forcing a failure. [ 46.803865] name failslab, interval 1, probability 0, space 0, times 0 [ 46.808431] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 46.810042] CPU: 0 PID: 8352 Comm: syz-executor297 Tainted: G D 4.19.211-syzkaller #0 [ 46.817082] Node 1 Normal: 100*4kB (UE) 381*8kB (UE) 303*16kB (UME) 73*32kB (UME) 28*64kB (UME) 18*128kB (UME) 12*256kB (UME) 7*512kB (UME) 3*1024kB (UM) 0*2048kB 980*4096kB (M) = 4038536kB [ 46.818046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 46.818050] Call Trace: [ 46.818069] dump_stack+0x1fc/0x2ef [ 46.818085] should_fail.cold+0xa/0xf [ 46.824736] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 46.827392] ? setup_fault_attr+0x200/0x200 [ 46.827414] ? lock_acquire+0x170/0x3c0 [ 46.832296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.861363] ? lock_downgrade+0x720/0x720 [ 46.861376] __should_failslab+0x115/0x180 [ 46.861390] should_failslab+0x5/0x10 [ 46.861405] __kmalloc+0x2ab/0x3c0 [ 46.861416] ? __kfifo_alloc+0x174/0x290 [ 46.861426] __kfifo_alloc+0x174/0x290 [ 46.861441] gsm_dlci_alloc+0xd4/0x410 [ 46.861452] gsm_activate_mux+0x1f4/0x290 [ 46.861465] gsmld_open+0x4fa/0x7e0 [ 46.869506] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 46.873446] ? gsmld_close+0x1f0/0x1f0 [ 46.873457] tty_ldisc_open+0x81/0xc0 [ 46.873469] tty_set_ldisc+0x2d2/0x650 [ 46.873483] tty_ioctl+0xb4b/0x1630 [ 46.873498] ? tty_fasync+0x300/0x300 [ 46.879268] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 46.881590] ? get_pid_task+0xf4/0x190 [ 46.881603] ? proc_fail_nth_write+0x95/0x1d0 [ 46.881616] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.881629] ? mark_held_locks+0xf0/0xf0 [ 46.881642] ? __vfs_write+0xff/0x770 [ 46.881656] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 46.888720] 20356 total pagecache pages [ 46.912489] ? common_file_perm+0x4e5/0x850 [ 46.912503] ? tty_fasync+0x300/0x300 [ 46.912514] do_vfs_ioctl+0xcdb/0x12e0 [ 46.912527] ? ioctl_preallocate+0x200/0x200 [ 46.912537] ? fsnotify_first_mark+0x200/0x200 [ 46.912549] ? lock_acquire+0x170/0x3c0 [ 46.912563] ? lock_downgrade+0x720/0x720 [ 46.919283] 0 pages in swap cache [ 46.920060] ? check_preemption_disabled+0x41/0x280 [ 46.924152] Swap cache stats: add 0, delete 0, find 0/0 [ 46.927439] ? check_preemption_disabled+0x41/0x280 [ 46.927453] ? vfs_write+0x393/0x540 [ 46.927467] ? ksys_write+0x1c8/0x2a0 [ 46.932615] Free swap = 0kB [ 46.935894] ksys_ioctl+0x9b/0xc0 [ 46.935906] __x64_sys_ioctl+0x6f/0xb0 [ 46.935922] do_syscall_64+0xf9/0x620 [ 46.939733] Total swap = 0kB [ 46.944878] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 46.944888] RIP: 0033:0x7fd9cd1f1149 [ 46.944899] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 46.944905] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 46.944916] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 46.944926] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 46.951319] 2097051 pages RAM [ 46.976184] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 46.976190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 46.976197] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 47.011093] FAULT_INJECTION: forcing a failure. [ 47.011093] name failslab, interval 1, probability 0, space 0, times 0 [ 47.020108] Free swap = 0kB [ 47.033832] CPU: 0 PID: 8356 Comm: syz-executor297 Tainted: G D 4.19.211-syzkaller #0 [ 47.040792] Total swap = 0kB [ 47.043388] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.043393] Call Trace: [ 47.043410] dump_stack+0x1fc/0x2ef [ 47.043426] should_fail.cold+0xa/0xf [ 47.046910] 2097051 pages RAM [ 47.060360] ? setup_fault_attr+0x200/0x200 [ 47.060372] ? lock_acquire+0x170/0x3c0 [ 47.060388] ? lock_downgrade+0x720/0x720 [ 47.060401] __should_failslab+0x115/0x180 [ 47.060414] should_failslab+0x5/0x10 [ 47.060425] __kmalloc+0x2ab/0x3c0 [ 47.060435] ? __kfifo_alloc+0x174/0x290 [ 47.060446] __kfifo_alloc+0x174/0x290 [ 47.060461] gsm_dlci_alloc+0xd4/0x410 [ 47.060475] gsm_activate_mux+0x1f4/0x290 [ 47.060486] gsmld_open+0x4fa/0x7e0 [ 47.060496] ? gsmld_close+0x1f0/0x1f0 [ 47.060507] tty_ldisc_open+0x81/0xc0 [ 47.060516] tty_set_ldisc+0x2d2/0x650 [ 47.060532] tty_ioctl+0xb4b/0x1630 [ 47.073064] 0 pages HighMem/MovableOnly [ 47.082946] ? tty_fasync+0x300/0x300 [ 47.082959] ? get_pid_task+0xf4/0x190 [ 47.082972] ? proc_fail_nth_write+0x95/0x1d0 [ 47.082983] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.083003] ? mark_held_locks+0xf0/0xf0 [ 47.096313] 369649 pages reserved [ 47.105162] ? __vfs_write+0xff/0x770 [ 47.105174] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.105186] ? common_file_perm+0x4e5/0x850 [ 47.105200] ? tty_fasync+0x300/0x300 [ 47.105214] do_vfs_ioctl+0xcdb/0x12e0 [ 47.116386] 0 pages HighMem/MovableOnly [ 47.131457] ? ioctl_preallocate+0x200/0x200 [ 47.131468] ? fsnotify_first_mark+0x200/0x200 [ 47.131480] ? lock_acquire+0x170/0x3c0 [ 47.131491] ? lock_downgrade+0x720/0x720 [ 47.131506] ? check_preemption_disabled+0x41/0x280 [ 47.131517] ? check_preemption_disabled+0x41/0x280 [ 47.131532] ? vfs_write+0x393/0x540 [ 47.143350] 0 pages cma reserved [ 47.143451] ? ksys_write+0x1c8/0x2a0 [ 47.147120] Falling back ldisc for ptm5. [ 47.150839] ksys_ioctl+0x9b/0xc0 [ 47.150850] __x64_sys_ioctl+0x6f/0xb0 [ 47.150861] do_syscall_64+0xf9/0x620 [ 47.150876] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.150885] RIP: 0033:0x7fd9cd1f1149 [ 47.150897] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.150907] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.164510] 369649 pages reserved [ 47.167975] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 47.167982] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.167988] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 47.167998] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.178193] 0 pages cma reserved [ 47.180686] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 47.187972] FAULT_INJECTION: forcing a failure. [ 47.187972] name failslab, interval 1, probability 0, space 0, times 0 [ 47.192622] Falling back ldisc for ptm2. [ 47.201630] CPU: 0 PID: 8361 Comm: syz-executor297 Tainted: G D 4.19.211-syzkaller #0 [ 47.211468] ---[ end trace f1cbbc977665012e ]--- [ 47.212307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.212311] Call Trace: [ 47.212328] dump_stack+0x1fc/0x2ef [ 47.212344] should_fail.cold+0xa/0xf [ 47.221352] RIP: 0010:cdev_del+0x22/0x90 [ 47.225121] ? setup_fault_attr+0x200/0x200 [ 47.225133] ? lock_acquire+0x170/0x3c0 [ 47.225148] ? lock_downgrade+0x720/0x720 [ 47.228964] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 dc be 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 48 [ 47.232790] __should_failslab+0x115/0x180 [ 47.232804] should_failslab+0x5/0x10 [ 47.232817] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 47.232829] __kmalloc_node+0x38/0x70 [ 47.232844] __vmalloc_area_node+0x15f/0x780 [ 47.241485] RSP: 0018:ffff888095ddfba0 EFLAGS: 00010207 [ 47.248791] ? __vmalloc_node_range+0x180/0x180 [ 47.248808] ? _raw_spin_unlock+0x29/0x40 [ 47.253638] RAX: dffffc0000000000 RBX: ffff88823892d000 RCX: ffffffff83b8674f [ 47.257169] ? __get_vm_area_node+0x2e2/0x3a0 [ 47.257182] ? n_tty_open+0x16/0x160 [ 47.257197] ? n_tty_open+0x16/0x160 [ 47.277270] RDX: 000000000000000c RSI: ffffffff81a3a8bd RDI: 0000000000000064 [ 47.279009] vzalloc+0x10a/0x1a0 [ 47.279027] n_tty_open+0x16/0x160 [ 47.291914] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 47.295389] ? n_tty_set_termios+0xe10/0xe10 [ 47.295403] tty_ldisc_open+0x81/0xc0 [ 47.304260] kasan: CONFIG_KASAN_INLINE enabled [ 47.308160] tty_ldisc_failto+0x13b/0x1a0 [ 47.308171] tty_set_ldisc+0x4db/0x650 [ 47.308186] tty_ioctl+0xb4b/0x1630 [ 47.311715] R10: 0000000000000007 R11: 0000000000000000 R12: ffff88823892d008 [ 47.316617] ? tty_fasync+0x300/0x300 [ 47.316631] ? get_pid_task+0xf4/0x190 [ 47.316647] ? proc_fail_nth_write+0x95/0x1d0 [ 47.325137] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 47.326990] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.327007] ? mark_held_locks+0xf0/0xf0 [ 47.331664] R13: ffff88823899d188 R14: ffff8880ae075780 R15: ffff8880955ecaf8 [ 47.334756] ? __vfs_write+0xff/0x770 [ 47.334768] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.334783] ? common_file_perm+0x4e5/0x850 [ 47.337830] general protection fault: 0000 [#2] PREEMPT SMP KASAN [ 47.341218] ? tty_fasync+0x300/0x300 [ 47.345079] CPU: 1 PID: 8135 Comm: syz-executor297 Tainted: G D 4.19.211-syzkaller #0 [ 47.348860] do_vfs_ioctl+0xcdb/0x12e0 [ 47.351853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.357027] ? ioctl_preallocate+0x200/0x200 [ 47.360719] RIP: 0010:cdev_del+0x22/0x90 [ 47.379604] ? fsnotify_first_mark+0x200/0x200 [ 47.387286] Code: cf 0f 1f 80 00 00 00 00 55 48 89 fd 48 83 ec 08 e8 b3 dc be 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 48 [ 47.394539] ? lock_acquire+0x170/0x3c0 [ 47.401782] RSP: 0018:ffff888094a97ba0 EFLAGS: 00010207 [ 47.404874] ? lock_downgrade+0x720/0x720 [ 47.412118] RAX: dffffc0000000000 RBX: ffff88823892d000 RCX: ffffffff83b8674f [ 47.419399] ? check_preemption_disabled+0x41/0x280 [ 47.426642] RDX: 000000000000000c RSI: ffffffff81a3a8bd RDI: 0000000000000064 [ 47.437810] ? check_preemption_disabled+0x41/0x280 [ 47.440795] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 47.450048] ? vfs_write+0x393/0x540 [ 47.453041] R10: 0000000000000007 R11: 0000000031af2962 R12: ffff88823892d008 [ 47.462509] ? ksys_write+0x1c8/0x2a0 [ 47.465066] R13: ffff88823899cf88 R14: ffff8880b15ff240 R15: ffff8880abad53b8 [ 47.468675] ksys_ioctl+0x9b/0xc0 [ 47.472452] FS: 0000555556258300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 47.475550] __x64_sys_ioctl+0x6f/0xb0 [ 47.479856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.483819] do_syscall_64+0xf9/0x620 [ 47.487932] CR2: 00007f1afd27d028 CR3: 00000000b4d94000 CR4: 00000000003406e0 [ 47.492149] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.495918] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.499435] RIP: 0033:0x7fd9cd1f1149 [ 47.503469] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.507421] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 47.511276] Call Trace: [ 47.515400] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 47.519013] tty_unregister_device+0x112/0x1b0 [ 47.522869] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 47.526647] gsmld_close+0xaa/0x1f0 [ 47.530515] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 47.534122] ? gsm_cleanup_mux+0x3e0/0x3e0 [ 47.538067] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 47.541845] tty_ldisc_close+0xa2/0xd0 [ 47.545704] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 47.550176] tty_ldisc_release+0xf5/0x440 [ 47.555077] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 47.559119] tty_release_struct+0x20/0xe0 [ 47.586661] FAULT_INJECTION: forcing a failure. [ 47.586661] name failslab, interval 1, probability 0, space 0, times 0 [ 47.587175] tty_release+0xc70/0x1210 [ 47.610165] CPU: 0 PID: 8421 Comm: syz-executor297 Tainted: G D 4.19.211-syzkaller #0 [ 47.614462] ? do_tty_hangup+0x30/0x30 [ 47.618150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.621500] __fput+0x2ce/0x890 [ 47.625268] Call Trace: [ 47.629315] task_work_run+0x148/0x1c0 [ 47.632744] dump_stack+0x1fc/0x2ef [ 47.636606] do_exit+0xbf3/0x2be0 [ 47.640393] should_fail.cold+0xa/0xf [ 47.645559] ? lock_downgrade+0x720/0x720 [ 47.649251] ? setup_fault_attr+0x200/0x200 [ 47.668132] ? mm_update_next_owner+0x650/0x650 [ 47.675816] ? lock_acquire+0x170/0x3c0 [ 47.679243] ? up_read+0x17/0x110 [ 47.686494] ? lock_downgrade+0x720/0x720 [ 47.693747] ? __do_page_fault+0x180/0xd60 [ 47.700995] __should_failslab+0x115/0x180 [ 47.708245] do_group_exit+0x125/0x310 [ 47.711591] should_failslab+0x5/0x10 [ 47.718839] __x64_sys_exit_group+0x3a/0x50 [ 47.729997] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 47.734035] do_syscall_64+0xf9/0x620 [ 47.743281] __kmalloc_node+0x38/0x70 [ 47.748021] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 47.757352] __vmalloc_area_node+0x15f/0x780 [ 47.759910] RIP: 0033:0x7fd9cd1efdd9 [ 47.763514] ? __vmalloc_node_range+0x180/0x180 [ 47.767294] Code: 00 49 c7 c0 c0 ff ff ff be e7 00 00 00 ba 3c 00 00 00 eb 12 0f 1f 44 00 00 89 d0 0f 05 48 3d 00 f0 ff ff 77 1c f4 89 f0 0f 05 <48> 3d 00 f0 ff ff 76 e7 f7 d8 64 41 89 00 eb df 0f 1f 80 00 00 00 [ 47.771331] ? _raw_spin_unlock+0x29/0x40 [ 47.775620] RSP: 002b:00007ffe188153a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 47.779577] ? __get_vm_area_node+0x2e2/0x3a0 [ 47.783697] RAX: ffffffffffffffda RBX: 00007fd9cd2643f0 RCX: 00007fd9cd1efdd9 [ 47.802583] ? n_tty_open+0x16/0x160 [ 47.806787] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 [ 47.810568] ? n_tty_open+0x16/0x160 [ 47.815645] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000000000 [ 47.819426] vzalloc+0x10a/0x1a0 [ 47.824079] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd9cd2643f0 [ 47.829430] n_tty_open+0x16/0x160 [ 47.834071] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001 [ 47.838217] ? n_tty_set_termios+0xe10/0xe10 [ 47.845448] Modules linked in: [ 47.849925] tty_ldisc_open+0x81/0xc0 [ 47.863459] FS: 0000555556258300(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 47.864579] tty_ldisc_failto+0x13b/0x1a0 [ 47.864591] tty_set_ldisc+0x4db/0x650 [ 47.864609] tty_ioctl+0xb4b/0x1630 [ 47.867996] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.871476] ? tty_fasync+0x300/0x300 [ 47.871489] ? get_pid_task+0xf4/0x190 [ 47.871502] ? proc_fail_nth_write+0x95/0x1d0 [ 47.871513] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.871525] ? mark_held_locks+0xf0/0xf0 [ 47.871540] ? __vfs_write+0xff/0x770 [ 47.871551] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 47.871564] ? common_file_perm+0x4e5/0x850 [ 47.871576] ? tty_fasync+0x300/0x300 [ 47.871589] do_vfs_ioctl+0xcdb/0x12e0 [ 47.871604] ? ioctl_preallocate+0x200/0x200 [ 47.894097] CR2: 00007ffc7f0f6407 CR3: 00000000ab77a000 CR4: 00000000003406e0 [ 47.895736] ? fsnotify_first_mark+0x200/0x200 [ 47.895752] ? lock_acquire+0x170/0x3c0 [ 47.900747] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.903233] ? lock_downgrade+0x720/0x720 [ 47.903253] ? check_preemption_disabled+0x41/0x280 [ 47.921458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.922665] ? check_preemption_disabled+0x41/0x280 [ 47.922680] ? vfs_write+0x393/0x540 [ 47.938806] Kernel panic - not syncing: Fatal exception [ 47.938984] ? ksys_write+0x1c8/0x2a0 [ 48.596316] ksys_ioctl+0x9b/0xc0 [ 48.599764] __x64_sys_ioctl+0x6f/0xb0 [ 48.603644] do_syscall_64+0xf9/0x620 [ 48.607615] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 48.612797] RIP: 0033:0x7fd9cd1f1149 [ 48.616501] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 48.635399] RSP: 002b:00007ffe188153f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 48.643106] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fd9cd1f1149 [ 48.650362] RDX: 0000000020000180 RSI: 0000000000005423 RDI: 0000000000000003 [ 48.657634] RBP: 00007ffe18815410 R08: 0000000000000001 R09: 0000000000000000 [ 48.664895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 48.672158] R13: 00007ffe1881540c R14: 00007ffe18815430 R15: 00007ffe18815420 [ 48.679595] Kernel Offset: disabled [ 48.683215] Rebooting in 86400 seconds..