[ 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 '10.128.0.100' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 38.866941] FAULT_INJECTION: forcing a failure. [ 38.866941] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 38.886887] FAULT_INJECTION: forcing a failure. [ 38.886887] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 38.903260] FAULT_INJECTION: forcing a failure. [ 38.903260] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 38.906759] FAULT_INJECTION: forcing a failure. [ 38.906759] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 38.917094] FAULT_INJECTION: forcing a failure. [ 38.917094] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 38.930139] FAULT_INJECTION: forcing a failure. [ 38.930139] name failslab, interval 1, probability 0, space 0, times 1 [ 38.939025] CPU: 1 PID: 8099 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 38.957935] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 38.967297] Call Trace: [ 38.969904] dump_stack+0x1fc/0x2ef [ 38.973554] should_fail.cold+0xa/0xf [ 38.977378] ? lock_acquire+0x170/0x3c0 [ 38.981376] ? setup_fault_attr+0x200/0x200 [ 38.985720] __alloc_pages_nodemask+0x239/0x2890 [ 38.990501] ? mark_held_locks+0xa6/0xf0 [ 38.994588] ? queue_work_on+0x132/0x1f0 [ 38.998674] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.003278] ? queue_work_on+0x11a/0x1f0 [ 39.007370] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 39.012243] ? lock_downgrade+0x720/0x720 [ 39.016412] ? dev_match_devt+0x90/0x90 [ 39.020404] ? retint_kernel+0x2d/0x2d [ 39.024310] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 39.029521] ? tty_buffer_unlock_exclusive+0xa9/0x140 [ 39.034818] ? __lock_acquire+0x6de/0x3ff0 [ 39.039186] alloc_pages_vma+0xf2/0x780 [ 39.043180] wp_page_copy+0x219/0x2c40 [ 39.047089] ? _vm_normal_page+0x132/0x510 [ 39.051343] ? follow_pte_pmd+0x60/0x60 [ 39.055335] ? n_tty_receive_buf2+0x40/0x40 [ 39.059700] do_wp_page+0x2d4/0x2210 [ 39.063436] ? finish_mkwrite_fault+0x640/0x640 [ 39.068306] ? __handle_mm_fault+0x15f6/0x41c0 [ 39.072915] ? mark_held_locks+0xf0/0xf0 [ 39.077555] __handle_mm_fault+0x258b/0x41c0 [ 39.082075] ? vm_insert_page+0x9c0/0x9c0 [ 39.086281] ? check_preemption_disabled+0x41/0x280 [ 39.091337] handle_mm_fault+0x436/0xb10 [ 39.095437] __do_page_fault+0x68e/0xd60 [ 39.099519] ? trace_hardirqs_off_caller+0x6e/0x210 [ 39.104554] ? spurious_fault+0x840/0x840 [ 39.108770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.113737] ? page_fault+0x8/0x30 [ 39.117567] page_fault+0x1e/0x30 [ 39.123110] RIP: 0033:0x7ffaa6c6bf85 [ 39.127837] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 39.147576] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 39.152944] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 39.160313] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 39.167748] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 39.175098] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 39.182364] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 39.189655] CPU: 0 PID: 8105 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 39.198032] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.207384] Call Trace: [ 39.209991] dump_stack+0x1fc/0x2ef [ 39.213643] should_fail.cold+0xa/0xf [ 39.217460] ? setup_fault_attr+0x200/0x200 [ 39.221801] ? mark_held_locks+0xf0/0xf0 [ 39.225875] __should_failslab+0x115/0x180 [ 39.230241] should_failslab+0x5/0x10 [ 39.234050] __kmalloc+0x6d/0x3c0 [ 39.237516] ? tty_buffer_alloc+0x23f/0x2a0 [ 39.241851] tty_buffer_alloc+0x23f/0x2a0 [ 39.246017] __tty_buffer_request_room+0x156/0x2a0 [ 39.250977] tty_insert_flip_string_fixed_flag+0x93/0x250 [ 39.256526] ? do_raw_spin_lock+0xcb/0x220 [ 39.260770] pty_write+0x126/0x1f0 [ 39.264324] tty_put_char+0x122/0x150 [ 39.268139] ? dev_match_devt+0x90/0x90 [ 39.272129] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 39.277225] ? mutex_trylock+0x1a0/0x1a0 [ 39.281284] do_output_char+0x155/0x850 [ 39.285255] __process_echoes+0x38e/0x9f0 [ 39.289421] n_tty_receive_buf_common+0xc0c/0x2a90 [ 39.294385] ? n_tty_receive_buf2+0x40/0x40 [ 39.298721] tty_ioctl+0x1026/0x1630 [ 39.302449] ? tty_fasync+0x300/0x300 [ 39.306262] ? get_pid_task+0xf4/0x190 [ 39.310166] ? proc_fail_nth_write+0x95/0x1d0 [ 39.314849] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.319794] ? debug_check_no_obj_freed+0x201/0x490 [ 39.324883] ? __vfs_write+0xff/0x770 [ 39.328704] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.334512] ? common_file_perm+0x4e5/0x850 [ 39.338859] ? tty_fasync+0x300/0x300 [ 39.342670] do_vfs_ioctl+0xcdb/0x12e0 [ 39.346579] ? vfs_write+0x3d7/0x540 [ 39.350302] ? ioctl_preallocate+0x200/0x200 [ 39.354857] ? lock_downgrade+0x720/0x720 [ 39.359236] ? check_preemption_disabled+0x41/0x280 [ 39.364266] ? vfs_write+0x393/0x540 [ 39.368010] ? ksys_write+0x1c8/0x2a0 [ 39.371831] ksys_ioctl+0x9b/0xc0 [ 39.375391] __x64_sys_ioctl+0x6f/0xb0 [ 39.379322] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.383919] do_syscall_64+0xf9/0x620 [ 39.387738] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.392944] RIP: 0033:0x7ffaa6ca32b9 [ 39.396697] 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 [ 39.415711] RSP: 002b:00007ffd82c0dbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.423428] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffaa6ca32b9 [ 39.430702] RDX: 0000000020000000 RSI: 0000000000005412 RDI: 0000000000000004 [ 39.437985] RBP: 00007ffd82c0dbd0 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 39.445253] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 39.452542] R13: 0000000000000000 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 39.459836] CPU: 1 PID: 8107 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 39.459839] [ 39.459849] ====================================================== [ 39.459853] WARNING: possible circular locking dependency detected [ 39.459855] 4.19.211-syzkaller #0 Not tainted [ 39.459859] ------------------------------------------------------ [ 39.459864] syz-executor161/8105 is trying to acquire lock: [ 39.459867] 00000000cf166271 (console_owner){....}, at: vprintk_emit+0x3fe/0x740 [ 39.459878] [ 39.459881] but task is already holding lock: [ 39.459884] 00000000d3538ee8 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xf4/0x1f0 [ 39.459895] [ 39.459899] which lock already depends on the new lock. [ 39.459901] [ 39.459903] [ 39.459915] the existing dependency chain (in reverse order) is: [ 39.459917] [ 39.459919] -> #2 (&(&port->lock)->rlock){-.-.}: [ 39.459931] tty_port_tty_get+0x1d/0x80 [ 39.459934] tty_port_default_wakeup+0x11/0x40 [ 39.459938] serial8250_tx_chars+0x490/0xaf0 [ 39.459954] serial8250_handle_irq.part.0+0x31f/0x3d0 [ 39.459958] serial8250_default_handle_irq+0xae/0x220 [ 39.459962] serial8250_interrupt+0x101/0x240 [ 39.459966] __handle_irq_event_percpu+0x27e/0x8e0 [ 39.459969] handle_irq_event+0x102/0x290 [ 39.459971] handle_edge_irq+0x260/0xcf0 [ 39.459975] handle_irq+0x35/0x50 [ 39.459978] do_IRQ+0x93/0x1c0 [ 39.459981] ret_from_intr+0x0/0x1e [ 39.459985] _raw_spin_unlock_irqrestore+0xa3/0xe0 [ 39.459987] uart_write+0x3bb/0x6f0 [ 39.459991] do_output_char+0x5de/0x850 [ 39.459994] n_tty_write+0x46e/0xff0 [ 39.459997] tty_write+0x496/0x810 [ 39.460000] redirected_tty_write+0xaa/0xb0 [ 39.460004] do_iter_write+0x461/0x5d0 [ 39.460007] vfs_writev+0x153/0x2e0 [ 39.460010] do_writev+0x136/0x330 [ 39.460014] do_syscall_64+0xf9/0x620 [ 39.460018] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.460019] [ 39.460021] -> #1 (&port_lock_key){-.-.}: [ 39.460033] serial8250_console_write+0x90e/0xb70 [ 39.460037] console_unlock+0xbb6/0x1110 [ 39.460040] vprintk_emit+0x2d1/0x740 [ 39.460043] vprintk_func+0x79/0x180 [ 39.460046] printk+0xba/0xed [ 39.460049] register_console+0x87f/0xc90 [ 39.460053] univ8250_console_init+0x3a/0x46 [ 39.460056] console_init+0x4cb/0x718 [ 39.460059] start_kernel+0x686/0x911 [ 39.460063] secondary_startup_64+0xa4/0xb0 [ 39.460065] [ 39.460067] -> #0 (console_owner){....}: [ 39.460078] vprintk_emit+0x43b/0x740 [ 39.460081] vprintk_func+0x79/0x180 [ 39.460084] printk+0xba/0xed [ 39.460087] should_fail+0x66b/0x7b0 [ 39.460091] __should_failslab+0x115/0x180 [ 39.460094] should_failslab+0x5/0x10 [ 39.460097] __kmalloc+0x6d/0x3c0 [ 39.460100] tty_buffer_alloc+0x23f/0x2a0 [ 39.460104] __tty_buffer_request_room+0x156/0x2a0 [ 39.460108] tty_insert_flip_string_fixed_flag+0x93/0x250 [ 39.460111] pty_write+0x126/0x1f0 [ 39.460115] tty_put_char+0x122/0x150 [ 39.460118] do_output_char+0x155/0x850 [ 39.460121] __process_echoes+0x38e/0x9f0 [ 39.460125] n_tty_receive_buf_common+0xc0c/0x2a90 [ 39.460128] tty_ioctl+0x1026/0x1630 [ 39.460131] do_vfs_ioctl+0xcdb/0x12e0 [ 39.460135] ksys_ioctl+0x9b/0xc0 [ 39.460138] __x64_sys_ioctl+0x6f/0xb0 [ 39.460141] do_syscall_64+0xf9/0x620 [ 39.460145] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.460147] [ 39.460150] other info that might help us debug this: [ 39.460152] [ 39.460155] Chain exists of: [ 39.460156] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 39.460171] [ 39.460175] Possible unsafe locking scenario: [ 39.460194] [ 39.460197] CPU0 CPU1 [ 39.460201] ---- ---- [ 39.460203] lock(&(&port->lock)->rlock); [ 39.460211] lock(&port_lock_key); [ 39.460219] lock(&(&port->lock)->rlock); [ 39.460226] lock(console_owner); [ 39.460232] [ 39.460234] *** DEADLOCK *** [ 39.460236] [ 39.460240] 5 locks held by syz-executor161/8105: [ 39.460242] #0: 00000000368cfe05 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 39.460255] #1: 00000000b5b5d302 (&port->buf.lock/1){+.+.}, at: tty_ioctl+0xfbc/0x1630 [ 39.460271] #2: 00000000ec5b8189 (&o_tty->termios_rwsem/1){++++}, at: n_tty_receive_buf_common+0x84/0x2a90 [ 39.460287] #3: 00000000fe4faf77 (&ldata->output_lock){+.+.}, at: n_tty_receive_buf_common+0xbce/0x2a90 [ 39.460301] #4: 00000000d3538ee8 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xf4/0x1f0 [ 39.460315] [ 39.460318] stack backtrace: [ 39.460323] CPU: 0 PID: 8105 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 39.460329] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.460332] Call Trace: [ 39.460334] dump_stack+0x1fc/0x2ef [ 39.460339] print_circular_bug.constprop.0.cold+0x2d7/0x41e [ 39.460342] __lock_acquire+0x30c9/0x3ff0 [ 39.460345] ? mark_held_locks+0xf0/0xf0 [ 39.460348] ? memcpy+0x35/0x50 [ 39.460352] ? vprintk_emit+0x416/0x740 [ 39.460355] lock_acquire+0x170/0x3c0 [ 39.460358] ? vprintk_emit+0x3fe/0x740 [ 39.460361] vprintk_emit+0x43b/0x740 [ 39.460365] ? vprintk_emit+0x3fe/0x740 [ 39.460368] vprintk_func+0x79/0x180 [ 39.460371] printk+0xba/0xed [ 39.460374] ? log_store.cold+0x16/0x16 [ 39.460378] ? finish_task_switch+0x118/0x760 [ 39.460381] ? __lock_acquire+0x6de/0x3ff0 [ 39.460384] ? ___ratelimit+0x319/0x590 [ 39.460388] should_fail+0x66b/0x7b0 [ 39.460391] ? setup_fault_attr+0x200/0x200 [ 39.460395] ? mark_held_locks+0xf0/0xf0 [ 39.460398] __should_failslab+0x115/0x180 [ 39.460401] should_failslab+0x5/0x10 [ 39.460404] __kmalloc+0x6d/0x3c0 [ 39.460408] ? tty_buffer_alloc+0x23f/0x2a0 [ 39.460411] tty_buffer_alloc+0x23f/0x2a0 [ 39.460414] __tty_buffer_request_room+0x156/0x2a0 [ 39.460419] tty_insert_flip_string_fixed_flag+0x93/0x250 [ 39.460422] ? do_raw_spin_lock+0xcb/0x220 [ 39.460425] pty_write+0x126/0x1f0 [ 39.460428] tty_put_char+0x122/0x150 [ 39.460432] ? dev_match_devt+0x90/0x90 [ 39.460435] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 39.460439] ? mutex_trylock+0x1a0/0x1a0 [ 39.460442] do_output_char+0x155/0x850 [ 39.460445] __process_echoes+0x38e/0x9f0 [ 39.460448] n_tty_receive_buf_common+0xc0c/0x2a90 [ 39.460451] ? n_tty_receive_buf2+0x40/0x40 [ 39.460454] tty_ioctl+0x1026/0x1630 [ 39.460457] ? tty_fasync+0x300/0x300 [ 39.460460] ? get_pid_task+0xf4/0x190 [ 39.460463] ? proc_fail_nth_write+0x95/0x1d0 [ 39.460467] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.460471] ? debug_check_no_obj_freed+0x201/0x490 [ 39.460474] ? __vfs_write+0xff/0x770 [ 39.460478] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 39.460482] ? common_file_perm+0x4e5/0x850 [ 39.460485] ? tty_fasync+0x300/0x300 [ 39.460489] do_vfs_ioctl+0xcdb/0x12e0 [ 39.460492] ? vfs_write+0x3d7/0x540 [ 39.460495] ? ioctl_preallocate+0x200/0x200 [ 39.460498] ? lock_downgrade+0x720/0x720 [ 39.460502] ? check_preemption_disabled+0x41/0x280 [ 39.460505] ? vfs_write+0x393/0x540 [ 39.460509] ? ksys_write+0x1c8/0x2a0 [ 39.460512] ksys_ioctl+0x9b/0xc0 [ 39.460515] __x64_sys_ioctl+0x6f/0xb0 [ 39.460519] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 39.460522] do_syscall_64+0xf9/0x620 [ 39.460526] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 39.460529] RIP: 0033:0x7ffaa6ca32b9 [ 39.460540] 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 [ 39.460544] RSP: 002b:00007ffd82c0dbb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 39.460553] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ffaa6ca32b9 [ 39.460558] RDX: 0000000020000000 RSI: 0000000000005412 RDI: 0000000000000004 [ 39.460563] RBP: 00007ffd82c0dbd0 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 39.460568] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 [ 39.460573] R13: 0000000000000000 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 39.892252] syz-executor161 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 39.896317] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 39.896321] Call Trace: [ 39.896344] dump_stack+0x1fc/0x2ef [ 39.896360] should_fail.cold+0xa/0xf [ 39.934768] syz-executor161 cpuset=/ mems_allowed=0-1 [ 39.936241] ? lock_acquire+0x170/0x3c0 [ 39.936254] ? setup_fault_attr+0x200/0x200 [ 39.936272] __alloc_pages_nodemask+0x239/0x2890 [ 40.295630] ? mark_held_locks+0xa6/0xf0 [ 40.299702] ? queue_work_on+0x132/0x1f0 [ 40.303773] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.308367] ? queue_work_on+0x11a/0x1f0 [ 40.312440] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.317295] ? lock_downgrade+0x720/0x720 [ 40.321458] ? dev_match_devt+0x90/0x90 [ 40.325445] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 40.330663] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 40.335969] ? tty_buffer_unlock_exclusive+0xa9/0x140 [ 40.341270] ? __lock_acquire+0x6de/0x3ff0 [ 40.345511] alloc_pages_vma+0xf2/0x780 [ 40.349498] wp_page_copy+0x219/0x2c40 [ 40.353396] ? _vm_normal_page+0x132/0x510 [ 40.357642] ? follow_pte_pmd+0x60/0x60 [ 40.361623] ? n_tty_receive_buf2+0x40/0x40 [ 40.366047] do_wp_page+0x2d4/0x2210 [ 40.369774] ? finish_mkwrite_fault+0x640/0x640 [ 40.374458] ? __handle_mm_fault+0x15f6/0x41c0 [ 40.379055] ? mark_held_locks+0xf0/0xf0 [ 40.383303] __handle_mm_fault+0x258b/0x41c0 [ 40.387726] ? vm_insert_page+0x9c0/0x9c0 [ 40.391889] ? check_preemption_disabled+0x41/0x280 [ 40.396917] handle_mm_fault+0x436/0xb10 [ 40.400995] __do_page_fault+0x68e/0xd60 [ 40.405093] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.410125] ? spurious_fault+0x840/0x840 [ 40.414308] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.419166] ? page_fault+0x8/0x30 [ 40.422737] page_fault+0x1e/0x30 [ 40.426191] RIP: 0033:0x7ffaa6c6bf85 [ 40.429910] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 40.448894] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 40.454273] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 40.461558] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 40.468832] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 40.476215] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.483511] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 40.490880] CPU: 0 PID: 8108 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 40.498774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 40.508126] Call Trace: [ 40.510723] dump_stack+0x1fc/0x2ef [ 40.514476] should_fail.cold+0xa/0xf [ 40.518287] ? lock_acquire+0x170/0x3c0 [ 40.522278] ? setup_fault_attr+0x200/0x200 [ 40.526738] __alloc_pages_nodemask+0x239/0x2890 [ 40.531512] ? mark_held_locks+0xa6/0xf0 [ 40.535619] ? queue_work_on+0x132/0x1f0 [ 40.539691] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.544279] ? queue_work_on+0x11a/0x1f0 [ 40.548360] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.553217] ? lock_downgrade+0x720/0x720 [ 40.557401] ? dev_match_devt+0x90/0x90 [ 40.561383] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 40.566498] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 40.571698] ? tty_buffer_unlock_exclusive+0xa9/0x140 [ 40.576989] ? __lock_acquire+0x6de/0x3ff0 [ 40.581248] alloc_pages_vma+0xf2/0x780 [ 40.585237] wp_page_copy+0x219/0x2c40 [ 40.589140] ? _vm_normal_page+0x132/0x510 [ 40.593388] ? follow_pte_pmd+0x60/0x60 [ 40.597367] ? n_tty_receive_buf2+0x40/0x40 [ 40.601698] do_wp_page+0x2d4/0x2210 [ 40.605465] ? finish_mkwrite_fault+0x640/0x640 [ 40.610182] ? __handle_mm_fault+0x15f6/0x41c0 [ 40.614775] ? mark_held_locks+0xf0/0xf0 [ 40.618849] __handle_mm_fault+0x258b/0x41c0 [ 40.623445] ? vm_insert_page+0x9c0/0x9c0 [ 40.627616] ? check_preemption_disabled+0x41/0x280 [ 40.632642] handle_mm_fault+0x436/0xb10 [ 40.636715] __do_page_fault+0x68e/0xd60 [ 40.640789] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.645820] ? spurious_fault+0x840/0x840 [ 40.650070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.654928] ? page_fault+0x8/0x30 [ 40.658478] page_fault+0x1e/0x30 [ 40.661943] RIP: 0033:0x7ffaa6c6bf85 [ 40.665665] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 40.684566] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 40.689940] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 40.697234] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 40.704504] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 40.711779] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.719157] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 40.726440] CPU: 1 PID: 8106 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 40.734337] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 40.743778] Call Trace: [ 40.746376] dump_stack+0x1fc/0x2ef [ 40.750026] should_fail.cold+0xa/0xf [ 40.753923] ? lock_acquire+0x170/0x3c0 [ 40.758020] ? setup_fault_attr+0x200/0x200 [ 40.762366] __alloc_pages_nodemask+0x239/0x2890 [ 40.767151] ? lock_downgrade+0x720/0x720 [ 40.771310] ? mark_held_locks+0xf0/0xf0 [ 40.775408] ? commit_echoes+0x4c/0x210 [ 40.779391] ? mutex_trylock+0x1a0/0x1a0 [ 40.783462] ? mark_held_locks+0xf0/0xf0 [ 40.787537] ? __mutex_unlock_slowpath+0xea/0x610 [ 40.792911] ? __lock_acquire+0x6de/0x3ff0 [ 40.797158] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.802044] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 40.807246] ? tty_buffer_unlock_exclusive+0xa9/0x140 [ 40.812447] ? __lock_acquire+0x6de/0x3ff0 [ 40.816699] alloc_pages_vma+0xf2/0x780 [ 40.820703] wp_page_copy+0x219/0x2c40 [ 40.824607] ? _vm_normal_page+0x132/0x510 [ 40.828884] ? follow_pte_pmd+0x60/0x60 [ 40.832863] ? n_tty_receive_buf2+0x40/0x40 [ 40.837286] do_wp_page+0x2d4/0x2210 [ 40.841011] ? finish_mkwrite_fault+0x640/0x640 [ 40.845696] ? __handle_mm_fault+0x15f6/0x41c0 [ 40.850290] ? mark_held_locks+0xf0/0xf0 [ 40.854362] __handle_mm_fault+0x258b/0x41c0 [ 40.858788] ? vm_insert_page+0x9c0/0x9c0 [ 40.862956] ? check_preemption_disabled+0x41/0x280 [ 40.867989] handle_mm_fault+0x436/0xb10 [ 40.872161] __do_page_fault+0x68e/0xd60 [ 40.876243] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.881289] ? spurious_fault+0x840/0x840 [ 40.885470] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.890349] ? page_fault+0x8/0x30 [ 40.893904] page_fault+0x1e/0x30 [ 40.897380] RIP: 0033:0x7ffaa6c6bf85 [ 40.901120] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 40.920017] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 40.925386] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 40.932657] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 40.939934] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 40.947203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.954471] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 40.961758] CPU: 0 PID: 8099 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 40.969658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 40.977321] FAULT_INJECTION: forcing a failure. [ 40.977321] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 40.979100] Call Trace: [ 40.979122] dump_stack+0x1fc/0x2ef [ 40.979135] dump_header+0x15d/0xc3f [ 40.979156] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 41.005938] ? ___ratelimit+0x319/0x590 [ 41.010094] oom_kill_process.cold+0x10/0x692 [ 41.014601] ? lock_downgrade+0x720/0x720 [ 41.018761] out_of_memory+0x34d/0x1390 [ 41.022748] ? lock_acquire+0x170/0x3c0 [ 41.026730] ? oom_killer_disable+0x270/0x270 [ 41.031239] ? mutex_trylock+0x15f/0x1a0 [ 41.035313] pagefault_out_of_memory+0x102/0x120 [ 41.040688] ? out_of_memory+0x1390/0x1390 [ 41.044940] ? lock_downgrade+0x720/0x720 [ 41.049101] mm_fault_error+0x106/0x390 [ 41.053092] __do_page_fault+0xc34/0xd60 [ 41.057172] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.062201] ? spurious_fault+0x840/0x840 [ 41.066362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.071215] ? page_fault+0x8/0x30 [ 41.074855] page_fault+0x1e/0x30 [ 41.078338] RIP: 0033:0x7ffaa6c6bf85 [ 41.082228] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 41.101127] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 41.106492] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 41.113774] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 executing program [ 41.121050] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 41.128408] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.135680] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 41.142963] CPU: 1 PID: 8111 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 41.150900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.160253] Call Trace: [ 41.163069] dump_stack+0x1fc/0x2ef [ 41.166730] should_fail.cold+0xa/0xf [ 41.170541] ? lock_acquire+0x170/0x3c0 [ 41.174612] ? setup_fault_attr+0x200/0x200 [ 41.179098] __alloc_pages_nodemask+0x239/0x2890 [ 41.183865] ? lock_downgrade+0x720/0x720 [ 41.188024] ? mark_held_locks+0xf0/0xf0 [ 41.192097] ? commit_echoes+0x4c/0x210 [ 41.196081] ? mutex_trylock+0x1a0/0x1a0 [ 41.200160] ? mark_held_locks+0xf0/0xf0 [ 41.204237] ? __mutex_unlock_slowpath+0xea/0x610 [ 41.209098] ? mark_held_locks+0xf0/0xf0 [ 41.213707] ? get_reg+0x176/0x1f0 [ 41.217240] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 41.222216] ? deref_stack_reg+0x1d0/0x1d0 [ 41.226475] ? commit_echoes+0x128/0x210 [ 41.230538] ? lock_downgrade+0x720/0x720 [ 41.234839] alloc_pages_vma+0xf2/0x780 [ 41.238834] wp_page_copy+0x219/0x2c40 [ 41.242743] ? _vm_normal_page+0x132/0x510 [ 41.246980] ? follow_pte_pmd+0x60/0x60 [ 41.251076] ? n_tty_receive_buf2+0x40/0x40 [ 41.255497] ? ldsem_up_read+0x45/0x80 [ 41.259390] ? n_tty_receive_buf2+0x40/0x40 [ 41.263730] do_wp_page+0x2d4/0x2210 [ 41.267459] ? finish_mkwrite_fault+0x640/0x640 [ 41.272142] ? __handle_mm_fault+0x15f6/0x41c0 [ 41.276752] ? mark_held_locks+0xf0/0xf0 [ 41.280825] __handle_mm_fault+0x258b/0x41c0 [ 41.285245] ? vm_insert_page+0x9c0/0x9c0 [ 41.289406] ? lock_acquire+0x170/0x3c0 [ 41.293905] ? handle_mm_fault+0xb2/0xb10 [ 41.298158] handle_mm_fault+0x436/0xb10 [ 41.302238] __do_page_fault+0x68e/0xd60 [ 41.306319] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.311346] ? spurious_fault+0x840/0x840 [ 41.315507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.320369] ? page_fault+0x8/0x30 [ 41.323920] page_fault+0x1e/0x30 [ 41.327378] RIP: 0033:0x7ffaa6c6bf85 [ 41.331179] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 41.343458] Mem-Info: [ 41.350177] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 41.350187] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 41.350192] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 executing program executing program [ 41.350197] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 41.350203] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.350210] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 41.380505] CPU: 1 PID: 8104 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 41.402461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.411825] Call Trace: [ 41.414436] dump_stack+0x1fc/0x2ef [ 41.415457] FAULT_INJECTION: forcing a failure. [ 41.415457] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.418160] should_fail.cold+0xa/0xf [ 41.418174] ? lock_acquire+0x170/0x3c0 [ 41.418194] ? setup_fault_attr+0x200/0x200 [ 41.431740] FAULT_INJECTION: forcing a failure. [ 41.431740] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.433795] __alloc_pages_nodemask+0x239/0x2890 [ 41.433811] ? mark_held_locks+0xa6/0xf0 [ 41.433833] ? queue_work_on+0x132/0x1f0 [ 41.466733] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 41.471320] ? queue_work_on+0x11a/0x1f0 [ 41.475394] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 41.480275] ? lock_downgrade+0x720/0x720 [ 41.484438] ? dev_match_devt+0x90/0x90 [ 41.488423] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 41.493345] active_anon:4575 inactive_anon:4715 isolated_anon:0 [ 41.493345] active_file:5367 inactive_file:9951 isolated_file:0 [ 41.493345] unevictable:0 dirty:5986 writeback:0 unstable:0 [ 41.493345] slab_reclaimable:16105 slab_unreclaimable:112609 [ 41.493345] mapped:3698 shmem:4898 pagetables:364 bounce:0 [ 41.493345] free:1531111 free_pcp:496 free_cma:0 [ 41.493553] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 41.532587] ? tty_buffer_unlock_exclusive+0xa9/0x140 [ 41.537792] ? __lock_acquire+0x6de/0x3ff0 [ 41.542043] alloc_pages_vma+0xf2/0x780 [ 41.546029] wp_page_copy+0x219/0x2c40 [ 41.549929] ? _vm_normal_page+0x132/0x510 [ 41.554206] ? follow_pte_pmd+0x60/0x60 [ 41.558188] ? n_tty_receive_buf2+0x40/0x40 [ 41.562523] do_wp_page+0x2d4/0x2210 [ 41.566255] ? finish_mkwrite_fault+0x640/0x640 [ 41.570932] ? __handle_mm_fault+0x15f6/0x41c0 [ 41.575526] ? mark_held_locks+0xf0/0xf0 [ 41.579630] __handle_mm_fault+0x258b/0x41c0 [ 41.584047] ? vm_insert_page+0x9c0/0x9c0 [ 41.588217] ? check_preemption_disabled+0x41/0x280 [ 41.593246] handle_mm_fault+0x436/0xb10 [ 41.597320] __do_page_fault+0x68e/0xd60 [ 41.599199] Node 0 active_anon:18300kB inactive_anon:18860kB active_file:21348kB inactive_file:39804kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14792kB dirty:23940kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 41.601396] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.601410] ? spurious_fault+0x840/0x840 [ 41.601422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.601436] ? page_fault+0x8/0x30 [ 41.601447] page_fault+0x1e/0x30 [ 41.601458] RIP: 0033:0x7ffaa6c6bf85 [ 41.601469] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 41.601480] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 executing program [ 41.678828] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 41.686100] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 41.693367] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 41.696339] Node 1 active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 41.700637] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 41.700643] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 41.715851] FAULT_INJECTION: forcing a failure. [ 41.715851] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 41.728899] CPU: 0 PID: 8113 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 41.760824] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 41.770177] Call Trace: [ 41.772867] dump_stack+0x1fc/0x2ef [ 41.776507] should_fail.cold+0xa/0xf [ 41.780324] ? lock_acquire+0x170/0x3c0 [ 41.784317] ? setup_fault_attr+0x200/0x200 [ 41.788655] ? llist_del_first+0x77/0xa0 [ 41.792735] __alloc_pages_nodemask+0x239/0x2890 [ 41.797502] ? lock_downgrade+0x720/0x720 [ 41.801666] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 41.807568] ? trace_hardirqs_on+0x55/0x210 [ 41.811900] ? queue_work_on+0x11a/0x1f0 [ 41.815986] ? pty_write+0x7f/0x1f0 [ 41.819628] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 41.824483] ? lock_downgrade+0x720/0x720 [ 41.828644] ? dev_match_devt+0x90/0x90 [ 41.832626] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 41.837745] ? do_output_char+0x15a/0x850 [ 41.841916] ? wait_for_completion_io+0x10/0x10 [ 41.846610] ? lock_downgrade+0x720/0x720 [ 41.850768] alloc_pages_vma+0xf2/0x780 [ 41.854781] wp_page_copy+0x219/0x2c40 [ 41.858694] ? _vm_normal_page+0x132/0x510 [ 41.862941] ? follow_pte_pmd+0x60/0x60 [ 41.866926] ? n_tty_receive_buf2+0x40/0x40 [ 41.871260] ? ldsem_up_read+0x45/0x80 [ 41.875203] ? n_tty_receive_buf2+0x40/0x40 [ 41.879624] do_wp_page+0x2d4/0x2210 [ 41.883351] ? finish_mkwrite_fault+0x640/0x640 [ 41.888031] ? __handle_mm_fault+0x15f6/0x41c0 [ 41.892620] ? mark_held_locks+0xf0/0xf0 [ 41.896693] __handle_mm_fault+0x258b/0x41c0 [ 41.901125] ? vm_insert_page+0x9c0/0x9c0 [ 41.905294] ? lock_acquire+0x170/0x3c0 [ 41.909290] ? handle_mm_fault+0xb2/0xb10 [ 41.913452] handle_mm_fault+0x436/0xb10 [ 41.917617] __do_page_fault+0x68e/0xd60 [ 41.921691] ? trace_hardirqs_off_caller+0x6e/0x210 [ 41.926792] ? spurious_fault+0x840/0x840 [ 41.930960] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 41.935815] ? page_fault+0x8/0x30 [ 41.939368] page_fault+0x1e/0x30 [ 41.942829] RIP: 0033:0x7ffaa6c6bf85 [ 41.946547] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 41.965461] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 41.970909] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 executing program [ 41.978292] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 41.985565] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 41.992839] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.000282] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 42.007565] CPU: 1 PID: 8114 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 42.015459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 42.024813] Call Trace: [ 42.027412] dump_stack+0x1fc/0x2ef [ 42.031056] should_fail.cold+0xa/0xf [ 42.034875] ? lock_acquire+0x170/0x3c0 [ 42.036328] FAULT_INJECTION: forcing a failure. [ 42.036328] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 42.038860] ? setup_fault_attr+0x200/0x200 [ 42.038877] __alloc_pages_nodemask+0x239/0x2890 [ 42.038897] ? lock_downgrade+0x720/0x720 [ 42.063898] ? mark_held_locks+0xf0/0xf0 [ 42.068066] ? commit_echoes+0x4c/0x210 [ 42.072049] ? mutex_trylock+0x1a0/0x1a0 [ 42.076121] ? mark_held_locks+0xf0/0xf0 [ 42.078261] 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 [ 42.080197] ? __mutex_unlock_slowpath+0xea/0x610 [ 42.080215] ? mark_held_locks+0xf0/0xf0 [ 42.115490] ? get_reg+0x176/0x1f0 [ 42.119049] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 42.123938] ? deref_stack_reg+0x1d0/0x1d0 [ 42.128191] ? commit_echoes+0x128/0x210 [ 42.132270] ? lock_downgrade+0x720/0x720 [ 42.136452] alloc_pages_vma+0xf2/0x780 [ 42.140474] wp_page_copy+0x219/0x2c40 [ 42.144375] ? _vm_normal_page+0x132/0x510 [ 42.148633] ? follow_pte_pmd+0x60/0x60 [ 42.152635] ? n_tty_receive_buf2+0x40/0x40 [ 42.156969] ? ldsem_up_read+0x45/0x80 [ 42.160865] ? n_tty_receive_buf2+0x40/0x40 [ 42.165200] do_wp_page+0x2d4/0x2210 [ 42.165853] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 42.168929] ? finish_mkwrite_fault+0x640/0x640 [ 42.168939] ? __handle_mm_fault+0x15f6/0x41c0 [ 42.168956] ? mark_held_locks+0xf0/0xf0 [ 42.187370] __handle_mm_fault+0x258b/0x41c0 [ 42.191567] Node 0 DMA32 free:2065800kB min:35996kB low:44992kB high:53988kB active_anon:22404kB inactive_anon:18860kB active_file:21404kB inactive_file:39748kB unevictable:0kB writepending:23940kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6848kB pagetables:1492kB bounce:0kB free_pcp:1784kB local_pcp:472kB free_cma:0kB [ 42.191788] ? vm_insert_page+0x9c0/0x9c0 [ 42.226206] ? lock_acquire+0x170/0x3c0 [ 42.230219] ? handle_mm_fault+0xb2/0xb10 [ 42.234383] handle_mm_fault+0x436/0xb10 [ 42.238458] __do_page_fault+0x68e/0xd60 [ 42.242568] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.247593] ? spurious_fault+0x840/0x840 [ 42.251752] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.256609] ? page_fault+0x8/0x30 [ 42.260162] page_fault+0x1e/0x30 [ 42.263618] RIP: 0033:0x7ffaa6c6bf85 [ 42.267335] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 42.285418] lowmem_reserve[]: 0 0 1 1 1 [ 42.286333] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 42.295655] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 42.299151] 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 executing program executing program executing program [ 42.302922] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 42.302928] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 42.302933] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.302939] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 42.348684] FAULT_INJECTION: forcing a failure. [ 42.348684] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 42.354300] CPU: 0 PID: 8112 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 42.379324] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 42.379966] FAULT_INJECTION: forcing a failure. [ 42.379966] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 42.388792] Call Trace: [ 42.388823] dump_stack+0x1fc/0x2ef [ 42.388840] should_fail.cold+0xa/0xf [ 42.388853] ? lock_acquire+0x170/0x3c0 [ 42.388867] ? setup_fault_attr+0x200/0x200 [ 42.388879] ? llist_del_first+0x77/0xa0 [ 42.388906] __alloc_pages_nodemask+0x239/0x2890 [ 42.401746] FAULT_INJECTION: forcing a failure. [ 42.401746] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 42.403284] ? lock_downgrade+0x720/0x720 [ 42.403299] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 42.403318] ? trace_hardirqs_on+0x55/0x210 [ 42.454690] ? queue_work_on+0x11a/0x1f0 [ 42.458763] ? pty_write+0x7f/0x1f0 [ 42.463698] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 42.468550] ? lock_downgrade+0x720/0x720 [ 42.472707] ? dev_match_devt+0x90/0x90 [ 42.476685] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 42.481802] ? do_output_char+0x15a/0x850 [ 42.485955] ? wait_for_completion_io+0x10/0x10 [ 42.490818] ? lock_downgrade+0x720/0x720 [ 42.494966] alloc_pages_vma+0xf2/0x780 [ 42.498975] wp_page_copy+0x219/0x2c40 [ 42.502870] ? _vm_normal_page+0x132/0x510 [ 42.507109] ? follow_pte_pmd+0x60/0x60 [ 42.511090] ? n_tty_receive_buf2+0x40/0x40 [ 42.515679] ? ldsem_up_read+0x45/0x80 [ 42.519839] ? n_tty_receive_buf2+0x40/0x40 [ 42.524203] do_wp_page+0x2d4/0x2210 [ 42.527959] ? finish_mkwrite_fault+0x640/0x640 [ 42.532761] ? __handle_mm_fault+0x15f6/0x41c0 [ 42.537356] ? mark_held_locks+0xf0/0xf0 [ 42.541450] __handle_mm_fault+0x258b/0x41c0 [ 42.545874] ? vm_insert_page+0x9c0/0x9c0 [ 42.550030] ? lock_acquire+0x170/0x3c0 [ 42.554013] ? handle_mm_fault+0xb2/0xb10 [ 42.558171] handle_mm_fault+0x436/0xb10 [ 42.562334] __do_page_fault+0x68e/0xd60 [ 42.566418] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.571440] ? spurious_fault+0x840/0x840 [ 42.575596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.580444] ? page_fault+0x8/0x30 [ 42.583991] page_fault+0x1e/0x30 [ 42.587452] RIP: 0033:0x7ffaa6c6bf85 [ 42.591166] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 42.610158] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 42.615522] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 42.622963] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 42.630239] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 42.637509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.644777] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 42.652060] CPU: 1 PID: 8117 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 42.660554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 42.670079] Call Trace: [ 42.672779] dump_stack+0x1fc/0x2ef [ 42.676425] should_fail.cold+0xa/0xf [ 42.680260] ? lock_acquire+0x170/0x3c0 [ 42.684249] ? setup_fault_attr+0x200/0x200 [ 42.688581] ? llist_del_first+0x77/0xa0 [ 42.692659] __alloc_pages_nodemask+0x239/0x2890 [ 42.697425] ? lock_downgrade+0x720/0x720 [ 42.701578] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 42.707385] ? trace_hardirqs_on+0x55/0x210 [ 42.711259] lowmem_reserve[]: 0 0 0 0 0 [ 42.711715] ? queue_work_on+0x11a/0x1f0 [ 42.719737] ? pty_write+0x7f/0x1f0 [ 42.720153] Node 1 Normal free:4039584kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.723371] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 42.723384] ? lock_downgrade+0x720/0x720 [ 42.723404] ? dev_match_devt+0x90/0x90 [ 42.763897] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 42.769014] ? do_output_char+0x15a/0x850 [ 42.773180] ? wait_for_completion_io+0x10/0x10 [ 42.777858] ? lock_downgrade+0x720/0x720 [ 42.782011] alloc_pages_vma+0xf2/0x780 [ 42.785997] wp_page_copy+0x219/0x2c40 [ 42.789895] ? _vm_normal_page+0x132/0x510 [ 42.794137] ? follow_pte_pmd+0x60/0x60 [ 42.794515] lowmem_reserve[]: 0 0 0 0 0 [ 42.798125] ? n_tty_receive_buf2+0x40/0x40 [ 42.798137] ? ldsem_up_read+0x45/0x80 [ 42.798151] ? n_tty_receive_buf2+0x40/0x40 [ 42.814682] do_wp_page+0x2d4/0x2210 [ 42.818411] ? finish_mkwrite_fault+0x640/0x640 [ 42.823084] ? __handle_mm_fault+0x15f6/0x41c0 [ 42.826364] 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 [ 42.827674] ? mark_held_locks+0xf0/0xf0 [ 42.827700] __handle_mm_fault+0x258b/0x41c0 [ 42.849667] ? vm_insert_page+0x9c0/0x9c0 [ 42.853839] ? lock_acquire+0x170/0x3c0 [ 42.857814] ? handle_mm_fault+0xb2/0xb10 [ 42.861973] handle_mm_fault+0x436/0xb10 [ 42.866044] __do_page_fault+0x68e/0xd60 [ 42.870131] ? trace_hardirqs_off_caller+0x6e/0x210 [ 42.875156] ? spurious_fault+0x840/0x840 [ 42.879314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 42.881868] Node 0 DMA32: 1304*4kB (U) 15*8kB (U) 395*16kB (U) 117*32kB (U) 14*64kB (UME) 5*128kB (UM) 4*256kB (UE) 5*512kB (UE) 2*1024kB (ME) 3*2048kB (UE) 497*4096kB (M) = 2064424kB [ 42.884161] ? page_fault+0x8/0x30 [ 42.884173] page_fault+0x1e/0x30 [ 42.884190] RIP: 0033:0x7ffaa6c6bf85 [ 42.911390] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 42.930299] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 42.935667] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 42.942391] 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 [ 42.942937] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 42.961198] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 42.968471] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 42.975739] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 42.979995] Node 1 Normal: 96*4kB (UE) 408*8kB (UE) 288*16kB (UME) 75*32kB (UME) 32*64kB (UME) 20*128kB (UM) 12*256kB (UME) 6*512kB (UME) 2*1024kB (M) 1*2048kB (U) 980*4096kB (M) = 4039584kB [ 42.985585] CPU: 1 PID: 8116 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 43.008188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.017554] Call Trace: [ 43.020145] dump_stack+0x1fc/0x2ef [ 43.023783] should_fail.cold+0xa/0xf [ 43.027597] ? lock_acquire+0x170/0x3c0 [ 43.031580] ? setup_fault_attr+0x200/0x200 [ 43.035918] __alloc_pages_nodemask+0x239/0x2890 [ 43.040689] ? lock_downgrade+0x720/0x720 [ 43.044740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 43.044840] ? mark_held_locks+0xf0/0xf0 [ 43.057736] ? commit_echoes+0x4c/0x210 [ 43.061714] ? mutex_trylock+0x1a0/0x1a0 [ 43.065782] ? mark_held_locks+0xf0/0xf0 [ 43.069857] ? __mutex_unlock_slowpath+0xea/0x610 [ 43.074709] ? mark_held_locks+0xf0/0xf0 [ 43.075391] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.078779] ? get_reg+0x176/0x1f0 [ 43.078793] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 43.078808] ? deref_stack_reg+0x1d0/0x1d0 [ 43.099967] ? commit_echoes+0x128/0x210 [ 43.104040] ? lock_downgrade+0x720/0x720 [ 43.108201] alloc_pages_vma+0xf2/0x780 [ 43.112184] wp_page_copy+0x219/0x2c40 [ 43.115150] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 43.116076] ? _vm_normal_page+0x132/0x510 [ 43.129218] ? follow_pte_pmd+0x60/0x60 [ 43.133194] ? n_tty_receive_buf2+0x40/0x40 [ 43.137523] ? ldsem_up_read+0x45/0x80 [ 43.141412] ? n_tty_receive_buf2+0x40/0x40 [ 43.145744] do_wp_page+0x2d4/0x2210 [ 43.146590] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.149482] ? finish_mkwrite_fault+0x640/0x640 [ 43.149494] ? __handle_mm_fault+0x15f6/0x41c0 [ 43.149514] ? mark_held_locks+0xf0/0xf0 [ 43.171380] __handle_mm_fault+0x258b/0x41c0 [ 43.175798] ? vm_insert_page+0x9c0/0x9c0 [ 43.179966] ? lock_acquire+0x170/0x3c0 [ 43.183951] ? handle_mm_fault+0xb2/0xb10 [ 43.186381] 20218 total pagecache pages [ 43.188110] handle_mm_fault+0x436/0xb10 [ 43.188127] __do_page_fault+0x68e/0xd60 [ 43.200351] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.205380] ? spurious_fault+0x840/0x840 [ 43.206944] 0 pages in swap cache [ 43.209535] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.209550] ? page_fault+0x8/0x30 [ 43.209565] page_fault+0x1e/0x30 [ 43.224927] RIP: 0033:0x7ffaa6c6bf85 [ 43.228112] Swap cache stats: add 0, delete 0, find 0/0 executing program executing program [ 43.228656] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 43.228667] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 43.247522] Free swap = 0kB [ 43.252915] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 43.252921] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 43.252926] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 43.252931] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.252937] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 43.290777] FAULT_INJECTION: forcing a failure. [ 43.290777] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.300481] CPU: 0 PID: 8115 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 43.310672] FAULT_INJECTION: forcing a failure. [ 43.310672] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.317674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.317679] Call Trace: [ 43.317702] dump_stack+0x1fc/0x2ef [ 43.317716] should_fail.cold+0xa/0xf [ 43.317737] ? lock_acquire+0x170/0x3c0 [ 43.352778] ? setup_fault_attr+0x200/0x200 [ 43.357118] __alloc_pages_nodemask+0x239/0x2890 [ 43.361888] ? n_tty_receive_buf_common+0xc14/0x2a90 [ 43.367006] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 43.371859] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 43.377062] ? ___preempt_schedule_notrace+0x16/0x2e [ 43.382184] ? wait_for_completion_io+0x10/0x10 [ 43.386860] ? lock_downgrade+0x720/0x720 [ 43.391015] alloc_pages_vma+0xf2/0x780 [ 43.395000] wp_page_copy+0x219/0x2c40 [ 43.398906] ? _vm_normal_page+0x132/0x510 [ 43.403150] ? follow_pte_pmd+0x60/0x60 [ 43.407163] ? ldsem_up_read+0x45/0x80 [ 43.411051] ? n_tty_receive_buf2+0x40/0x40 [ 43.415384] do_wp_page+0x2d4/0x2210 [ 43.419133] ? finish_mkwrite_fault+0x640/0x640 [ 43.423814] ? __handle_mm_fault+0x15f6/0x41c0 [ 43.428411] ? mark_held_locks+0xf0/0xf0 [ 43.432484] __handle_mm_fault+0x258b/0x41c0 [ 43.436901] ? lock_downgrade+0x720/0x720 [ 43.441068] ? vm_insert_page+0x9c0/0x9c0 [ 43.445225] ? lock_acquire+0x170/0x3c0 [ 43.449210] ? finish_task_switch+0x118/0x760 [ 43.453721] ? lock_acquire+0x170/0x3c0 [ 43.458063] ? handle_mm_fault+0xb2/0xb10 [ 43.462235] handle_mm_fault+0x436/0xb10 [ 43.466307] __do_page_fault+0x68e/0xd60 [ 43.470404] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.475452] ? spurious_fault+0x840/0x840 [ 43.479629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.484488] ? page_fault+0x8/0x30 [ 43.488034] page_fault+0x1e/0x30 [ 43.491493] RIP: 0033:0x7ffaa6c6bf85 [ 43.495220] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 43.514125] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 43.519491] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 43.526765] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 43.534121] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 43.541537] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.548811] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 43.556096] CPU: 1 PID: 8122 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 43.564094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.573632] Call Trace: [ 43.576228] dump_stack+0x1fc/0x2ef [ 43.579862] should_fail.cold+0xa/0xf [ 43.583771] ? lock_acquire+0x170/0x3c0 [ 43.587864] ? setup_fault_attr+0x200/0x200 [ 43.592195] ? llist_del_first+0x77/0xa0 [ 43.596261] __alloc_pages_nodemask+0x239/0x2890 [ 43.601059] ? lock_downgrade+0x720/0x720 [ 43.605217] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 43.611124] ? trace_hardirqs_on+0x55/0x210 [ 43.615478] ? queue_work_on+0x11a/0x1f0 [ 43.619293] Total swap = 0kB [ 43.619543] ? pty_write+0x7f/0x1f0 [ 43.626358] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 43.628416] 2097051 pages RAM [ 43.631204] ? lock_downgrade+0x720/0x720 [ 43.631218] ? dev_match_devt+0x90/0x90 [ 43.631227] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 43.631241] ? do_output_char+0x15a/0x850 [ 43.631253] ? wait_for_completion_io+0x10/0x10 [ 43.631264] ? lock_downgrade+0x720/0x720 [ 43.631279] alloc_pages_vma+0xf2/0x780 [ 43.640766] 0 pages HighMem/MovableOnly [ 43.642492] wp_page_copy+0x219/0x2c40 [ 43.642509] ? _vm_normal_page+0x132/0x510 [ 43.650631] 369649 pages reserved [ 43.651748] ? follow_pte_pmd+0x60/0x60 [ 43.651758] ? n_tty_receive_buf2+0x40/0x40 [ 43.651773] ? ldsem_up_read+0x45/0x80 [ 43.660832] 0 pages cma reserved [ 43.664595] ? n_tty_receive_buf2+0x40/0x40 [ 43.668558] Unreclaimable slab info: [ 43.672447] do_wp_page+0x2d4/0x2210 [ 43.672463] ? finish_mkwrite_fault+0x640/0x640 [ 43.672472] ? __handle_mm_fault+0x15f6/0x41c0 [ 43.672485] ? mark_held_locks+0xf0/0xf0 [ 43.672497] __handle_mm_fault+0x258b/0x41c0 [ 43.672512] ? vm_insert_page+0x9c0/0x9c0 [ 43.690316] Name Used Total [ 43.692323] ? lock_acquire+0x170/0x3c0 [ 43.692336] ? handle_mm_fault+0xb2/0xb10 [ 43.692351] handle_mm_fault+0x436/0xb10 [ 43.698001] TIPC 1KB 7KB [ 43.700032] __do_page_fault+0x68e/0xd60 [ 43.700048] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.700059] ? spurious_fault+0x840/0x840 [ 43.700071] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.700088] ? page_fault+0x8/0x30 [ 43.709606] SCTPv6 2KB 6KB [ 43.712159] page_fault+0x1e/0x30 [ 43.712171] RIP: 0033:0x7ffaa6c6bf85 [ 43.712184] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 43.720846] DCCPv6 2KB 7KB [ 43.725244] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 43.725253] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 43.725258] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 43.725264] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 43.725269] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.725280] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 43.739597] DCCP 2KB 7KB [ 43.744760] CPU: 1 PID: 8121 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 43.747916] RXRPC 1KB 6KB [ 43.752464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.752469] Call Trace: [ 43.752491] dump_stack+0x1fc/0x2ef executing program executing program [ 43.752505] should_fail.cold+0xa/0xf [ 43.752518] ? lock_acquire+0x170/0x3c0 [ 43.752530] ? setup_fault_attr+0x200/0x200 [ 43.752541] ? llist_del_first+0x77/0xa0 [ 43.752554] __alloc_pages_nodemask+0x239/0x2890 [ 43.752566] ? lock_downgrade+0x720/0x720 [ 43.752580] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 43.752593] ? trace_hardirqs_on+0x55/0x210 [ 43.752607] ? queue_work_on+0x11a/0x1f0 [ 43.752619] ? pty_write+0x7f/0x1f0 [ 43.752632] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 43.752642] ? lock_downgrade+0x720/0x720 executing program [ 43.752658] ? dev_match_devt+0x90/0x90 [ 43.767410] rxrpc_call_jar 11KB 23KB [ 43.770677] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 43.770694] ? do_output_char+0x15a/0x850 [ 43.770706] ? wait_for_completion_io+0x10/0x10 [ 43.770719] ? lock_downgrade+0x720/0x720 [ 43.770731] alloc_pages_vma+0xf2/0x780 [ 43.770747] wp_page_copy+0x219/0x2c40 [ 43.779762] fib6_nodes 0KB 4KB [ 43.783166] ? _vm_normal_page+0x132/0x510 [ 43.783177] ? follow_pte_pmd+0x60/0x60 [ 43.783192] ? n_tty_receive_buf2+0x40/0x40 [ 43.791953] ip6_dst_cache 0KB 3KB [ 43.805799] ? ldsem_up_read+0x45/0x80 [ 43.805808] ? n_tty_receive_buf2+0x40/0x40 [ 43.805822] do_wp_page+0x2d4/0x2210 [ 43.805836] ? finish_mkwrite_fault+0x640/0x640 [ 43.805846] ? __handle_mm_fault+0x15f6/0x41c0 [ 43.805862] ? mark_held_locks+0xf0/0xf0 [ 43.833162] RAWv6 10KB 20KB [ 43.838422] __handle_mm_fault+0x258b/0x41c0 [ 43.838437] ? vm_insert_page+0x9c0/0x9c0 [ 43.838454] ? lock_acquire+0x170/0x3c0 [ 43.860258] UDPv6 13KB 15KB [ 43.866196] ? handle_mm_fault+0xb2/0xb10 [ 43.866209] handle_mm_fault+0x436/0xb10 [ 43.866227] __do_page_fault+0x68e/0xd60 [ 43.885191] TCPv6 6KB 6KB [ 43.887327] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.887345] ? spurious_fault+0x840/0x840 [ 43.897995] nf_conntrack 19KB 22KB [ 43.899576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.899591] ? page_fault+0x8/0x30 [ 43.899602] page_fault+0x1e/0x30 [ 43.899613] RIP: 0033:0x7ffaa6c6bf85 [ 43.899624] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 43.899635] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 43.908897] t10_alua_lu_gp_cache 0KB 3KB [ 43.912701] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 43.912708] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 43.912713] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 43.912718] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.912723] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 43.948113] FAULT_INJECTION: forcing a failure. [ 43.948113] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.949552] CPU: 0 PID: 8118 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 43.955043] FAULT_INJECTION: forcing a failure. [ 43.955043] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.958321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 43.958326] Call Trace: [ 43.958348] dump_stack+0x1fc/0x2ef [ 43.958362] should_fail.cold+0xa/0xf [ 43.958378] ? lock_acquire+0x170/0x3c0 [ 44.019216] FAULT_INJECTION: forcing a failure. [ 44.019216] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.019584] ? setup_fault_attr+0x200/0x200 [ 44.019600] ? llist_del_first+0x77/0xa0 [ 44.235554] __alloc_pages_nodemask+0x239/0x2890 [ 44.240327] ? lock_downgrade+0x720/0x720 [ 44.244488] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 44.250316] ? trace_hardirqs_on+0x55/0x210 [ 44.254670] ? queue_work_on+0x11a/0x1f0 [ 44.258747] ? pty_write+0x7f/0x1f0 [ 44.262385] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.267239] ? lock_downgrade+0x720/0x720 [ 44.271395] ? dev_match_devt+0x90/0x90 [ 44.275376] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 44.280583] ? do_output_char+0x15a/0x850 [ 44.284758] ? wait_for_completion_io+0x10/0x10 [ 44.289529] ? lock_downgrade+0x720/0x720 [ 44.293683] alloc_pages_vma+0xf2/0x780 [ 44.297676] wp_page_copy+0x219/0x2c40 [ 44.301571] ? _vm_normal_page+0x132/0x510 [ 44.305824] ? follow_pte_pmd+0x60/0x60 [ 44.309805] ? n_tty_receive_buf2+0x40/0x40 [ 44.314133] ? ldsem_up_read+0x45/0x80 [ 44.318056] ? n_tty_receive_buf2+0x40/0x40 [ 44.322392] do_wp_page+0x2d4/0x2210 [ 44.326127] ? finish_mkwrite_fault+0x640/0x640 [ 44.330805] ? __handle_mm_fault+0x15f6/0x41c0 [ 44.335396] ? mark_held_locks+0xf0/0xf0 [ 44.339474] __handle_mm_fault+0x258b/0x41c0 [ 44.343896] ? vm_insert_page+0x9c0/0x9c0 [ 44.348068] ? lock_acquire+0x170/0x3c0 [ 44.352058] ? handle_mm_fault+0xb2/0xb10 [ 44.356220] handle_mm_fault+0x436/0xb10 [ 44.360294] __do_page_fault+0x68e/0xd60 [ 44.364371] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.369397] ? spurious_fault+0x840/0x840 [ 44.373558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.378501] ? page_fault+0x8/0x30 [ 44.382055] page_fault+0x1e/0x30 [ 44.385511] RIP: 0033:0x7ffaa6c6bf85 [ 44.389242] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 44.408147] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 44.413609] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 44.420878] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 44.428150] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 44.435418] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.442689] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 44.450803] CPU: 1 PID: 8123 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 44.458704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 44.468056] Call Trace: [ 44.470650] dump_stack+0x1fc/0x2ef [ 44.472315] sd_ext_cdb 0KB 7KB [ 44.474288] should_fail.cold+0xa/0xf [ 44.474309] ? lock_acquire+0x170/0x3c0 [ 44.480801] scsi_sense_cache 1056KB 1064KB [ 44.483485] ? setup_fault_attr+0x200/0x200 [ 44.483509] __alloc_pages_nodemask+0x239/0x2890 [ 44.483528] ? lock_downgrade+0x720/0x720 [ 44.487541] virtio_scsi_cmd 16KB 16KB [ 44.492856] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 44.492869] ? trace_hardirqs_on+0x55/0x210 [ 44.492882] ? queue_work_on+0x11a/0x1f0 [ 44.492892] ? pty_write+0x7f/0x1f0 [ 44.492905] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.492916] ? lock_downgrade+0x720/0x720 [ 44.492934] ? dev_match_devt+0x90/0x90 [ 44.501717] sgpool-128 8KB 8KB [ 44.501994] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 44.506199] sgpool-64 4KB 12KB [ 44.511495] ? do_output_char+0x15a/0x850 [ 44.511513] ? wait_for_completion_io+0x10/0x10 [ 44.511527] ? lock_downgrade+0x720/0x720 [ 44.511539] alloc_pages_vma+0xf2/0x780 [ 44.511557] wp_page_copy+0x219/0x2c40 [ 44.519864] sgpool-32 2KB 15KB [ 44.521664] ? _vm_normal_page+0x132/0x510 [ 44.521679] ? follow_pte_pmd+0x60/0x60 [ 44.525779] sgpool-16 1KB 7KB [ 44.529354] ? n_tty_receive_buf2+0x40/0x40 [ 44.529366] ? ldsem_up_read+0x45/0x80 [ 44.529374] ? n_tty_receive_buf2+0x40/0x40 [ 44.529388] do_wp_page+0x2d4/0x2210 [ 44.529402] ? finish_mkwrite_fault+0x640/0x640 [ 44.529412] ? __handle_mm_fault+0x15f6/0x41c0 [ 44.529429] ? mark_held_locks+0xf0/0xf0 [ 44.537574] sgpool-8 0KB 7KB [ 44.538409] __handle_mm_fault+0x258b/0x41c0 [ 44.543176] mqueue_inode_cache 1KB 7KB [ 44.547729] ? vm_insert_page+0x9c0/0x9c0 [ 44.547768] ? lock_acquire+0x170/0x3c0 [ 44.553929] bio_post_read_ctx 14KB 15KB [ 44.558217] ? handle_mm_fault+0xb2/0xb10 [ 44.558231] handle_mm_fault+0x436/0xb10 [ 44.558248] __do_page_fault+0x68e/0xd60 [ 44.563852] bio-2 14KB 15KB [ 44.567086] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.567104] ? spurious_fault+0x840/0x840 [ 44.573130] jfs_mp 7KB 7KB [ 44.575211] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.575225] ? page_fault+0x8/0x30 [ 44.575239] page_fault+0x1e/0x30 [ 44.580535] cifs_small_rq 15KB 16KB [ 44.584507] RIP: 0033:0x7ffaa6c6bf85 [ 44.584520] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 44.584530] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 44.588827] cifs_request 67KB 67KB [ 44.592745] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 44.592751] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 44.592756] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 44.592761] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.592767] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 44.594401] CPU: 1 PID: 8125 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 44.599094] cifs_mpx_ids 0KB 7KB [ 44.602496] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 44.602500] Call Trace: [ 44.602520] dump_stack+0x1fc/0x2ef [ 44.602536] should_fail.cold+0xa/0xf [ 44.610786] nfs_commit_data 3KB 14KB [ 44.614540] ? lock_acquire+0x170/0x3c0 [ 44.614553] ? setup_fault_attr+0x200/0x200 [ 44.614570] __alloc_pages_nodemask+0x239/0x2890 [ 44.622091] nfs_write_data 34KB 44KB [ 44.623895] ? n_tty_receive_buf_common+0xc14/0x2a90 [ 44.623913] ? gfp_pfmemalloc_allowed+0x150/0x150 executing program [ 44.628035] ext4_system_zone 1KB 7KB [ 44.633323] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 44.633335] ? ___preempt_schedule_notrace+0x16/0x2e [ 44.633350] ? wait_for_completion_io+0x10/0x10 [ 44.633363] ? lock_downgrade+0x720/0x720 [ 44.633375] alloc_pages_vma+0xf2/0x780 [ 44.633390] wp_page_copy+0x219/0x2c40 [ 44.633405] ? _vm_normal_page+0x132/0x510 [ 44.640171] bio-1 1KB 7KB [ 44.643248] ? follow_pte_pmd+0x60/0x60 [ 44.643261] ? ldsem_up_read+0x45/0x80 [ 44.643274] ? n_tty_receive_buf2+0x40/0x40 [ 44.650734] rpc_buffers 17KB 25KB [ 44.651390] do_wp_page+0x2d4/0x2210 [ 44.656829] rpc_tasks 2KB 7KB [ 44.660903] ? finish_mkwrite_fault+0x640/0x640 [ 44.660913] ? __handle_mm_fault+0x15f6/0x41c0 [ 44.660926] ? mark_held_locks+0xf0/0xf0 [ 44.660938] __handle_mm_fault+0x258b/0x41c0 [ 44.660951] ? lock_downgrade+0x720/0x720 [ 44.660966] ? vm_insert_page+0x9c0/0x9c0 [ 44.667796] UNIX 423KB 423KB executing program executing program [ 44.669073] ? lock_acquire+0x170/0x3c0 [ 44.669085] ? finish_task_switch+0x118/0x760 [ 44.669099] ? lock_acquire+0x170/0x3c0 [ 44.669112] ? handle_mm_fault+0xb2/0xb10 [ 44.669125] handle_mm_fault+0x436/0xb10 [ 44.669142] __do_page_fault+0x68e/0xd60 [ 44.676630] tcp_bind_bucket 0KB 4KB [ 44.679520] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.679534] ? spurious_fault+0x840/0x840 [ 44.679547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.679560] ? page_fault+0x8/0x30 executing program [ 44.679574] page_fault+0x1e/0x30 [ 44.685588] ip_fib_trie 0KB 3KB [ 44.689062] RIP: 0033:0x7ffaa6c6bf85 [ 44.689074] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 44.689079] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 44.689088] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 44.689093] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 44.689098] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 44.689104] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.689109] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 44.690885] CPU: 1 PID: 8124 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 44.697021] ip_fib_alias 0KB 3KB [ 44.697501] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 44.701778] ip_dst_cache 5KB 8KB [ 44.706320] Call Trace: [ 44.706342] dump_stack+0x1fc/0x2ef [ 44.706359] should_fail.cold+0xa/0xf [ 44.712213] RAW 6KB 15KB [ 44.729047] ? lock_acquire+0x170/0x3c0 [ 44.729060] ? setup_fault_attr+0x200/0x200 [ 44.729072] ? llist_del_first+0x77/0xa0 [ 44.729087] __alloc_pages_nodemask+0x239/0x2890 [ 44.729099] ? lock_downgrade+0x720/0x720 [ 44.729111] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 44.729128] ? trace_hardirqs_on+0x55/0x210 [ 44.737045] UDP 25KB 40KB [ 44.739848] ? queue_work_on+0x11a/0x1f0 [ 44.739861] ? pty_write+0x7f/0x1f0 [ 44.739874] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.739886] ? lock_downgrade+0x720/0x720 [ 44.739903] ? dev_match_devt+0x90/0x90 [ 44.749042] request_sock_TCP 0KB 7KB [ 44.754430] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 44.754447] ? do_output_char+0x15a/0x850 [ 44.754464] ? wait_for_completion_io+0x10/0x10 [ 44.763259] TCP 8KB 11KB [ 44.769270] ? lock_downgrade+0x720/0x720 [ 44.769284] alloc_pages_vma+0xf2/0x780 [ 44.769300] wp_page_copy+0x219/0x2c40 [ 44.769312] ? _vm_normal_page+0x132/0x510 [ 44.769323] ? follow_pte_pmd+0x60/0x60 [ 44.769338] ? n_tty_receive_buf2+0x40/0x40 [ 44.778765] hugetlbfs_inode_cache 3KB 15KB [ 44.784568] ? ldsem_up_read+0x45/0x80 [ 44.784577] ? n_tty_receive_buf2+0x40/0x40 [ 44.784590] do_wp_page+0x2d4/0x2210 [ 44.784604] ? finish_mkwrite_fault+0x640/0x640 [ 44.784613] ? __handle_mm_fault+0x15f6/0x41c0 [ 44.784631] ? mark_held_locks+0xf0/0xf0 [ 44.792221] fscache_cookie_jar 1KB 11KB [ 44.799333] __handle_mm_fault+0x258b/0x41c0 [ 44.799348] ? vm_insert_page+0x9c0/0x9c0 [ 44.799363] ? lock_acquire+0x170/0x3c0 [ 44.799373] ? handle_mm_fault+0xb2/0xb10 [ 44.799388] handle_mm_fault+0x436/0xb10 [ 44.804598] eventpoll_pwq 23KB 75KB [ 44.805602] __do_page_fault+0x68e/0xd60 [ 44.810216] eventpoll_epi 63KB 126KB [ 44.814755] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.814775] ? spurious_fault+0x840/0x840 [ 44.818778] inotify_inode_mark 6KB 11KB [ 44.823056] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.823070] ? page_fault+0x8/0x30 [ 44.823080] page_fault+0x1e/0x30 [ 44.823093] RIP: 0033:0x7ffaa6c6bf85 [ 44.823109] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 44.830094] request_queue 215KB 309KB [ 44.833214] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 44.833225] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 44.833231] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 44.833237] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 44.833248] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.841185] blkdev_requests 1KB 3KB [ 44.843372] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 44.864258] FAULT_INJECTION: forcing a failure. [ 44.864258] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.870090] blkdev_ioc 4KB 15KB [ 44.872261] CPU: 1 PID: 8126 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 44.876066] bio-0 83KB 142KB [ 44.880246] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 44.880251] Call Trace: [ 44.880274] dump_stack+0x1fc/0x2ef [ 44.880305] should_fail.cold+0xa/0xf [ 44.880318] ? lock_acquire+0x170/0x3c0 [ 44.880330] ? setup_fault_attr+0x200/0x200 [ 44.880345] __alloc_pages_nodemask+0x239/0x2890 [ 44.880358] ? n_tty_receive_buf_common+0xc14/0x2a90 [ 44.880374] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.880385] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 44.880398] ? ___preempt_schedule_notrace+0x16/0x2e [ 44.880414] ? wait_for_completion_io+0x10/0x10 [ 44.880425] ? lock_downgrade+0x720/0x720 [ 44.880440] alloc_pages_vma+0xf2/0x780 [ 44.891724] biovec-max 1237KB 1245KB [ 44.893643] wp_page_copy+0x219/0x2c40 [ 44.893663] ? _vm_normal_page+0x132/0x510 [ 44.898025] biovec-64 13KB 31KB [ 44.903338] ? follow_pte_pmd+0x60/0x60 [ 44.903351] ? ldsem_up_read+0x45/0x80 [ 44.903359] ? n_tty_receive_buf2+0x40/0x40 [ 44.903372] do_wp_page+0x2d4/0x2210 [ 44.903385] ? finish_mkwrite_fault+0x640/0x640 [ 44.903400] ? __handle_mm_fault+0x15f6/0x41c0 [ 44.910028] biovec-16 3KB 11KB [ 44.912473] ? mark_held_locks+0xf0/0xf0 [ 44.912492] __handle_mm_fault+0x258b/0x41c0 [ 44.918371] bio_integrity_payload 1KB 8KB [ 44.921734] ? lock_downgrade+0x720/0x720 [ 44.921747] ? vm_insert_page+0x9c0/0x9c0 [ 44.921757] ? lock_acquire+0x170/0x3c0 [ 44.921768] ? finish_task_switch+0x118/0x760 [ 44.921781] ? lock_acquire+0x170/0x3c0 [ 44.921795] ? handle_mm_fault+0xb2/0xb10 [ 44.927963] khugepaged_mm_slot 1KB 3KB [ 44.930249] handle_mm_fault+0x436/0xb10 [ 44.930265] __do_page_fault+0x68e/0xd60 [ 44.930281] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.930293] ? spurious_fault+0x840/0x840 [ 44.930304] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.930321] ? page_fault+0x8/0x30 [ 44.935598] uid_cache 1KB 8KB [ 44.938606] page_fault+0x1e/0x30 [ 44.938619] RIP: 0033:0x7ffaa6c6bf85 [ 44.938633] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 44.946520] dmaengine-unmap-2 0KB 3KB [ 44.947946] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 44.947956] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 44.947962] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 44.947968] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 44.947979] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.955216] skbuff_fclone_cache 431KB 431KB [ 44.956428] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 44.989150] FAULT_INJECTION: forcing a failure. [ 44.989150] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.995173] skbuff_head_cache 1601KB 1800KB [ 44.998076] FAULT_INJECTION: forcing a failure. [ 44.998076] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.004636] FAULT_INJECTION: forcing a failure. [ 45.004636] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 45.004651] CPU: 0 PID: 8129 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 45.004657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 45.004661] Call Trace: [ 45.004678] dump_stack+0x1fc/0x2ef [ 45.004692] should_fail.cold+0xa/0xf [ 45.004704] ? lock_acquire+0x170/0x3c0 [ 45.004717] ? setup_fault_attr+0x200/0x200 [ 45.004731] __alloc_pages_nodemask+0x239/0x2890 [ 45.004743] ? lock_downgrade+0x720/0x720 [ 45.004753] ? mark_held_locks+0xf0/0xf0 [ 45.004768] ? commit_echoes+0x4c/0x210 [ 45.004778] ? mutex_trylock+0x1a0/0x1a0 [ 45.004794] ? mark_held_locks+0xf0/0xf0 [ 45.794038] ? __mutex_unlock_slowpath+0xea/0x610 [ 45.798892] ? mark_held_locks+0xf0/0xf0 [ 45.802963] ? get_reg+0x176/0x1f0 [ 45.806514] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 45.811362] ? deref_stack_reg+0x1d0/0x1d0 [ 45.815607] ? commit_echoes+0x128/0x210 [ 45.819681] ? lock_downgrade+0x720/0x720 [ 45.823834] alloc_pages_vma+0xf2/0x780 [ 45.827821] wp_page_copy+0x219/0x2c40 [ 45.831729] ? _vm_normal_page+0x132/0x510 [ 45.835991] ? follow_pte_pmd+0x60/0x60 [ 45.840877] ? n_tty_receive_buf2+0x40/0x40 [ 45.845207] ? ldsem_up_read+0x45/0x80 [ 45.849100] ? n_tty_receive_buf2+0x40/0x40 [ 45.853448] do_wp_page+0x2d4/0x2210 [ 45.857174] ? finish_mkwrite_fault+0x640/0x640 [ 45.861852] ? __handle_mm_fault+0x15f6/0x41c0 [ 45.866448] ? mark_held_locks+0xf0/0xf0 [ 45.870518] __handle_mm_fault+0x258b/0x41c0 [ 45.874938] ? vm_insert_page+0x9c0/0x9c0 [ 45.879097] ? lock_acquire+0x170/0x3c0 [ 45.883169] ? handle_mm_fault+0xb2/0xb10 [ 45.887346] handle_mm_fault+0x436/0xb10 [ 45.891422] __do_page_fault+0x68e/0xd60 [ 45.895564] ? trace_hardirqs_off_caller+0x6e/0x210 [ 45.900588] ? spurious_fault+0x840/0x840 [ 45.904914] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.909768] ? page_fault+0x8/0x30 [ 45.913315] page_fault+0x1e/0x30 [ 45.916771] RIP: 0033:0x7ffaa6c6bf85 [ 45.920485] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 45.939392] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 45.944747] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 45.952130] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 45.959560] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 45.966827] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.974115] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 45.981403] CPU: 1 PID: 8127 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 45.989386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 executing program [ 45.989583] configfs_dir_cache 3KB 7KB [ 45.998735] Call Trace: [ 45.998757] dump_stack+0x1fc/0x2ef [ 45.998772] should_fail.cold+0xa/0xf [ 45.998785] ? lock_acquire+0x170/0x3c0 [ 45.998797] ? setup_fault_attr+0x200/0x200 [ 45.998813] ? llist_del_first+0x77/0xa0 [ 46.011099] FAULT_INJECTION: forcing a failure. [ 46.011099] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 46.014244] __alloc_pages_nodemask+0x239/0x2890 [ 46.014260] ? lock_downgrade+0x720/0x720 [ 46.014276] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 46.023811] file_lock_cache 101KB 106KB [ 46.026608] ? trace_hardirqs_on+0x55/0x210 [ 46.026630] ? queue_work_on+0x11a/0x1f0 [ 46.058344] file_lock_ctx 9KB 15KB [ 46.058869] ? pty_write+0x7f/0x1f0 [ 46.069058] fsnotify_mark_connector 2KB 7KB [ 46.072603] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 46.072617] ? lock_downgrade+0x720/0x720 [ 46.072634] ? dev_match_devt+0x90/0x90 [ 46.081838] shmem_inode_cache 7804KB 7808KB [ 46.082143] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 46.093444] task_delay_info 93KB 411KB [ 46.095284] ? do_output_char+0x15a/0x850 [ 46.095302] ? wait_for_completion_io+0x10/0x10 [ 46.109512] taskstats 0KB 3KB [ 46.111109] ? lock_downgrade+0x720/0x720 [ 46.111125] alloc_pages_vma+0xf2/0x780 [ 46.116413] proc_dir_entry 302KB 307KB [ 46.119948] wp_page_copy+0x219/0x2c40 [ 46.119961] ? _vm_normal_page+0x132/0x510 [ 46.119971] ? follow_pte_pmd+0x60/0x60 [ 46.119981] ? n_tty_receive_buf2+0x40/0x40 [ 46.119991] ? ldsem_up_read+0x45/0x80 [ 46.120006] ? n_tty_receive_buf2+0x40/0x40 [ 46.131804] pde_opener 36KB 77KB [ 46.133475] do_wp_page+0x2d4/0x2210 [ 46.133491] ? finish_mkwrite_fault+0x640/0x640 [ 46.147694] seq_file 356KB 661KB [ 46.150904] ? __handle_mm_fault+0x15f6/0x41c0 [ 46.150919] ? mark_held_locks+0xf0/0xf0 [ 46.150931] __handle_mm_fault+0x258b/0x41c0 [ 46.150945] ? vm_insert_page+0x9c0/0x9c0 [ 46.150960] ? lock_acquire+0x170/0x3c0 [ 46.150970] ? handle_mm_fault+0xb2/0xb10 [ 46.150990] handle_mm_fault+0x436/0xb10 [ 46.161097] sigqueue 17KB 55KB [ 46.163504] __do_page_fault+0x68e/0xd60 [ 46.163525] ? trace_hardirqs_off_caller+0x6e/0x210 [ 46.178908] kernfs_node_cache 9949KB 9965KB [ 46.182643] ? spurious_fault+0x840/0x840 [ 46.182660] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.192536] mnt_cache 68KB 76KB [ 46.195689] ? page_fault+0x8/0x30 [ 46.195700] page_fault+0x1e/0x30 [ 46.195714] RIP: 0033:0x7ffaa6c6bf85 [ 46.208935] filp 10756KB 10758KB [ 46.212021] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 46.212028] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 46.212043] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 46.221791] names_cache 178070KB 178092KB [ 46.226449] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 46.226456] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 46.226461] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.226466] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 46.233360] CPU: 1 PID: 8128 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 46.252349] iint_cache 79KB 79KB [ 46.253263] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 46.262558] key_jar 4KB 15KB [ 46.281214] Call Trace: [ 46.281237] dump_stack+0x1fc/0x2ef [ 46.281251] should_fail.cold+0xa/0xf [ 46.281263] ? lock_acquire+0x170/0x3c0 [ 46.281276] ? setup_fault_attr+0x200/0x200 [ 46.281287] ? llist_del_first+0x77/0xa0 [ 46.281301] __alloc_pages_nodemask+0x239/0x2890 [ 46.281316] ? lock_downgrade+0x720/0x720 [ 46.308041] nsproxy 0KB 3KB [ 46.313999] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 46.314012] ? trace_hardirqs_on+0x55/0x210 [ 46.314023] ? queue_work_on+0x11a/0x1f0 [ 46.314035] ? pty_write+0x7f/0x1f0 [ 46.314048] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 46.314063] ? lock_downgrade+0x720/0x720 [ 46.338150] vm_area_struct 2281KB 2281KB [ 46.341930] ? dev_match_devt+0x90/0x90 [ 46.341941] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 46.341957] ? do_output_char+0x15a/0x850 [ 46.366949] mm_struct 237KB 435KB [ 46.370616] ? wait_for_completion_io+0x10/0x10 executing program [ 46.370630] ? lock_downgrade+0x720/0x720 [ 46.370641] alloc_pages_vma+0xf2/0x780 [ 46.370657] wp_page_copy+0x219/0x2c40 [ 46.370669] ? _vm_normal_page+0x132/0x510 [ 46.370679] ? follow_pte_pmd+0x60/0x60 [ 46.370688] ? n_tty_receive_buf2+0x40/0x40 [ 46.370697] ? ldsem_up_read+0x45/0x80 [ 46.370704] ? n_tty_receive_buf2+0x40/0x40 [ 46.370719] do_wp_page+0x2d4/0x2210 [ 46.381773] fs_cache 60KB 260KB [ 46.383841] ? finish_mkwrite_fault+0x640/0x640 [ 46.383856] ? __handle_mm_fault+0x15f6/0x41c0 [ 46.398184] files_cache 183KB 420KB [ 46.399164] ? mark_held_locks+0xf0/0xf0 [ 46.403540] signal_cache 485KB 1193KB [ 46.407548] __handle_mm_fault+0x258b/0x41c0 [ 46.407569] ? vm_insert_page+0x9c0/0x9c0 [ 46.419392] sighand_cache 515KB 568KB [ 46.420158] ? lock_acquire+0x170/0x3c0 [ 46.433211] task_struct 2045KB 2045KB [ 46.434954] ? handle_mm_fault+0xb2/0xb10 [ 46.434973] handle_mm_fault+0x436/0xb10 [ 46.446904] cred_jar 1230KB 1972KB [ 46.449134] __do_page_fault+0x68e/0xd60 [ 46.449151] ? trace_hardirqs_off_caller+0x6e/0x210 [ 46.449162] ? spurious_fault+0x840/0x840 [ 46.449174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.449190] ? page_fault+0x8/0x30 [ 46.457451] anon_vma_chain 832KB 945KB [ 46.461184] page_fault+0x1e/0x30 [ 46.461196] RIP: 0033:0x7ffaa6c6bf85 [ 46.461208] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 46.461213] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 46.461221] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 46.461227] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 46.461233] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 46.461238] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.461243] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 46.466215] FAULT_INJECTION: forcing a failure. [ 46.466215] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 46.477604] CPU: 0 PID: 8130 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 46.666068] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 46.675420] Call Trace: [ 46.678023] dump_stack+0x1fc/0x2ef [ 46.681663] should_fail.cold+0xa/0xf [ 46.685478] ? lock_acquire+0x170/0x3c0 [ 46.689466] ? setup_fault_attr+0x200/0x200 [ 46.693801] __alloc_pages_nodemask+0x239/0x2890 [ 46.698575] ? lock_downgrade+0x720/0x720 executing program [ 46.702752] ? mark_held_locks+0xf0/0xf0 [ 46.706824] ? commit_echoes+0x4c/0x210 [ 46.710811] ? mutex_trylock+0x1a0/0x1a0 [ 46.714972] ? mark_held_locks+0xf0/0xf0 [ 46.719041] ? __mutex_unlock_slowpath+0xea/0x610 [ 46.723891] ? mark_held_locks+0xf0/0xf0 [ 46.727967] ? get_reg+0x176/0x1f0 [ 46.731524] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 46.736377] ? deref_stack_reg+0x1d0/0x1d0 [ 46.740636] ? commit_echoes+0x128/0x210 [ 46.744726] ? lock_downgrade+0x720/0x720 [ 46.745532] FAULT_INJECTION: forcing a failure. [ 46.745532] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 46.748882] alloc_pages_vma+0xf2/0x780 [ 46.748900] wp_page_copy+0x219/0x2c40 [ 46.748912] ? _vm_normal_page+0x132/0x510 [ 46.748923] ? follow_pte_pmd+0x60/0x60 [ 46.748940] ? n_tty_receive_buf2+0x40/0x40 [ 46.781060] ? ldsem_up_read+0x45/0x80 [ 46.786086] ? n_tty_receive_buf2+0x40/0x40 [ 46.790419] do_wp_page+0x2d4/0x2210 [ 46.794155] ? finish_mkwrite_fault+0x640/0x640 [ 46.798832] ? __handle_mm_fault+0x15f6/0x41c0 [ 46.803456] ? mark_held_locks+0xf0/0xf0 [ 46.807534] __handle_mm_fault+0x258b/0x41c0 [ 46.811957] ? vm_insert_page+0x9c0/0x9c0 [ 46.816118] ? lock_acquire+0x170/0x3c0 [ 46.820107] ? handle_mm_fault+0xb2/0xb10 [ 46.824277] handle_mm_fault+0x436/0xb10 [ 46.828352] __do_page_fault+0x68e/0xd60 [ 46.832429] ? trace_hardirqs_off_caller+0x6e/0x210 [ 46.837455] ? spurious_fault+0x840/0x840 [ 46.841615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.846486] ? page_fault+0x8/0x30 [ 46.850035] page_fault+0x1e/0x30 [ 46.853498] RIP: 0033:0x7ffaa6c6bf85 [ 46.857221] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 46.876238] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 46.881606] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 46.888877] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 46.896147] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 46.903423] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.910697] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 46.918102] CPU: 1 PID: 8131 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 46.920000] anon_vma 184KB 308KB [ 46.925994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 46.925999] Call Trace: [ 46.926021] dump_stack+0x1fc/0x2ef [ 46.926038] should_fail.cold+0xa/0xf [ 46.931487] pid 62KB 296KB [ 46.940758] ? lock_acquire+0x170/0x3c0 [ 46.940772] ? setup_fault_attr+0x200/0x200 [ 46.940787] __alloc_pages_nodemask+0x239/0x2890 [ 46.940799] ? lock_downgrade+0x720/0x720 [ 46.940810] ? mark_held_locks+0xf0/0xf0 [ 46.940823] ? commit_echoes+0x4c/0x210 [ 46.940838] ? mutex_trylock+0x1a0/0x1a0 [ 46.943506] Acpi-Operand 156KB 202KB [ 46.947066] ? mark_held_locks+0xf0/0xf0 [ 46.947081] ? __mutex_unlock_slowpath+0xea/0x610 [ 46.947097] ? mark_held_locks+0xf0/0xf0 [ 46.950983] Acpi-ParseExt 8KB 11KB [ 46.956267] ? get_reg+0x176/0x1f0 [ 46.956281] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 46.956296] ? deref_stack_reg+0x1d0/0x1d0 [ 46.960378] Acpi-Parse 41KB 47KB [ 46.964587] ? commit_echoes+0x128/0x210 [ 46.964606] ? lock_downgrade+0x720/0x720 [ 46.969438] Acpi-State 52KB 66KB [ 46.973500] alloc_pages_vma+0xf2/0x780 [ 46.973515] wp_page_copy+0x219/0x2c40 [ 46.973530] ? _vm_normal_page+0x132/0x510 [ 46.977620] Acpi-Namespace 21KB 27KB [ 46.981575] ? follow_pte_pmd+0x60/0x60 [ 46.981585] ? n_tty_receive_buf2+0x40/0x40 [ 46.981595] ? ldsem_up_read+0x45/0x80 [ 46.981603] ? n_tty_receive_buf2+0x40/0x40 [ 46.981616] do_wp_page+0x2d4/0x2210 [ 46.981629] ? finish_mkwrite_fault+0x640/0x640 [ 46.981644] ? __handle_mm_fault+0x15f6/0x41c0 [ 46.985762] numa_policy 0KB 3KB [ 46.991058] ? mark_held_locks+0xf0/0xf0 [ 46.991072] __handle_mm_fault+0x258b/0x41c0 [ 46.991087] ? vm_insert_page+0x9c0/0x9c0 [ 46.991105] ? lock_acquire+0x170/0x3c0 [ 46.995226] debug_objects_cache 668KB 671KB [ 47.000021] ? handle_mm_fault+0xb2/0xb10 [ 47.000034] handle_mm_fault+0x436/0xb10 [ 47.000050] __do_page_fault+0x68e/0xd60 [ 47.000066] ? trace_hardirqs_off_caller+0x6e/0x210 [ 47.000083] ? spurious_fault+0x840/0x840 [ 47.004191] trace_event_file 297KB 298KB [ 47.009494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.009508] ? page_fault+0x8/0x30 executing program [ 47.009518] page_fault+0x1e/0x30 [ 47.009529] RIP: 0033:0x7ffaa6c6bf85 [ 47.009540] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 47.009546] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 47.013161] ftrace_event_field 398KB 401KB [ 47.017917] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 47.017923] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 47.017929] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 47.017934] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.017939] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 47.028427] CPU: 1 PID: 8134 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 47.031728] pool_workqueue 79KB 84KB [ 47.035780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 47.035785] Call Trace: [ 47.035806] dump_stack+0x1fc/0x2ef [ 47.035823] should_fail.cold+0xa/0xf [ 47.041380] page->ptl 237KB 411KB [ 47.045214] ? lock_acquire+0x170/0x3c0 [ 47.045226] ? setup_fault_attr+0x200/0x200 [ 47.045244] __alloc_pages_nodemask+0x239/0x2890 [ 47.049268] kmalloc-2097152 2050KB 2050KB [ 47.053353] ? lock_downgrade+0x720/0x720 [ 47.053367] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 47.053384] ? trace_hardirqs_on+0x55/0x210 [ 47.058836] kmalloc-524288 2056KB 2056KB executing program [ 47.062708] ? queue_work_on+0x11a/0x1f0 [ 47.062722] ? pty_write+0x7f/0x1f0 [ 47.062738] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.067193] kmalloc-262144 1290KB 1290KB [ 47.071041] ? lock_downgrade+0x720/0x720 [ 47.071054] ? dev_match_devt+0x90/0x90 [ 47.071067] ? do_output_char+0x15a/0x850 [ 47.071080] ? wait_for_completion_io+0x10/0x10 [ 47.071090] ? lock_downgrade+0x720/0x720 [ 47.071104] alloc_pages_vma+0xf2/0x780 [ 47.075479] kmalloc-131072 650KB 650KB [ 47.079137] wp_page_copy+0x219/0x2c40 [ 47.079149] ? _vm_normal_page+0x132/0x510 [ 47.079159] ? follow_pte_pmd+0x60/0x60 [ 47.079169] ? n_tty_receive_buf2+0x40/0x40 [ 47.079179] ? ldsem_up_read+0x45/0x80 [ 47.079192] ? n_tty_receive_buf2+0x40/0x40 [ 47.084073] kmalloc-65536 264KB 330KB [ 47.088613] do_wp_page+0x2d4/0x2210 [ 47.088628] ? finish_mkwrite_fault+0x640/0x640 [ 47.088639] ? __handle_mm_fault+0x15f6/0x41c0 [ 47.088651] ? mark_held_locks+0xf0/0xf0 [ 47.088667] __handle_mm_fault+0x258b/0x41c0 [ 47.094133] kmalloc-32768 660KB 660KB [ 47.098119] ? vm_insert_page+0x9c0/0x9c0 [ 47.098135] ? lock_acquire+0x170/0x3c0 [ 47.098145] ? handle_mm_fault+0xb2/0xb10 [ 47.098158] handle_mm_fault+0x436/0xb10 [ 47.098175] __do_page_fault+0x68e/0xd60 [ 47.102618] kmalloc-16384 247KB 247KB [ 47.106718] ? trace_hardirqs_off_caller+0x6e/0x210 [ 47.106732] ? spurious_fault+0x840/0x840 [ 47.106749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.110826] kmalloc-8192 1113KB 1155KB executing program executing program [ 47.116262] ? page_fault+0x8/0x30 [ 47.116279] page_fault+0x1e/0x30 [ 47.120516] kmalloc-4096 8682KB 8742KB [ 47.124467] RIP: 0033:0x7ffaa6c6bf85 [ 47.124479] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 47.124489] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 47.128656] kmalloc-2048 6392KB 6394KB [ 47.133548] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 47.133554] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 47.133558] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 47.133564] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.133570] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 47.194918] FAULT_INJECTION: forcing a failure. [ 47.194918] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.197636] kmalloc-1024 3322KB 3370KB [ 47.205287] CPU: 1 PID: 8135 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 47.211937] kmalloc-512 2715KB 4053KB [ 47.218379] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 47.218384] Call Trace: [ 47.218405] dump_stack+0x1fc/0x2ef [ 47.218419] should_fail.cold+0xa/0xf [ 47.218431] ? lock_acquire+0x170/0x3c0 [ 47.218444] ? setup_fault_attr+0x200/0x200 [ 47.218459] __alloc_pages_nodemask+0x239/0x2890 [ 47.218475] ? n_tty_receive_buf_common+0xc14/0x2a90 [ 47.228941] kmalloc-256 1953KB 2418KB [ 47.233633] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.239852] kmalloc-128 447KB 515KB [ 47.248430] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 47.248442] ? ___preempt_schedule_notrace+0x16/0x2e [ 47.248457] ? wait_for_completion_io+0x10/0x10 [ 47.248469] ? lock_downgrade+0x720/0x720 [ 47.248481] alloc_pages_vma+0xf2/0x780 [ 47.248495] wp_page_copy+0x219/0x2c40 [ 47.248507] ? _vm_normal_page+0x132/0x510 [ 47.248521] ? follow_pte_pmd+0x60/0x60 executing program [ 47.254787] kmalloc-96 2646KB 2672KB [ 47.258517] ? ldsem_up_read+0x45/0x80 [ 47.258527] ? n_tty_receive_buf2+0x40/0x40 [ 47.258541] do_wp_page+0x2d4/0x2210 [ 47.258556] ? finish_mkwrite_fault+0x640/0x640 [ 47.258565] ? __handle_mm_fault+0x15f6/0x41c0 [ 47.258578] ? mark_held_locks+0xf0/0xf0 [ 47.258593] __handle_mm_fault+0x258b/0x41c0 [ 47.266551] kmalloc-64 2360KB 2480KB [ 47.267928] ? lock_downgrade+0x720/0x720 [ 47.267941] ? vm_insert_page+0x9c0/0x9c0 [ 47.267951] ? lock_acquire+0x170/0x3c0 [ 47.267963] ? finish_task_switch+0x118/0x760 [ 47.267981] ? lock_acquire+0x170/0x3c0 [ 47.274333] kmalloc-32 1035KB 1886KB [ 47.277137] ? handle_mm_fault+0xb2/0xb10 [ 47.277151] handle_mm_fault+0x436/0xb10 [ 47.277169] __do_page_fault+0x68e/0xd60 [ 47.284057] kmalloc-192 1016KB 1836KB [ 47.286684] ? trace_hardirqs_off_caller+0x6e/0x210 [ 47.286702] ? spurious_fault+0x840/0x840 [ 47.293738] kmem_cache 177KB 180KB [ 47.296812] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.296826] ? page_fault+0x8/0x30 [ 47.296841] page_fault+0x1e/0x30 [ 47.303676] Tasks state (memory values in pages): [ 47.306269] RIP: 0033:0x7ffaa6c6bf85 [ 47.306282] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 47.306293] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 47.311512] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 47.314747] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 47.314753] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 47.314758] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 47.314763] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.314769] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 47.336276] FAULT_INJECTION: forcing a failure. [ 47.336276] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.339861] [ 4694] 0 4694 11524 1704 118784 0 0 systemd-journal [ 47.342482] CPU: 1 PID: 8136 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 47.345458] [ 4697] 0 4697 10983 1037 114688 0 -1000 systemd-udevd [ 47.350755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 47.350759] Call Trace: [ 47.350781] dump_stack+0x1fc/0x2ef [ 47.350795] should_fail.cold+0xa/0xf [ 47.350808] ? lock_acquire+0x170/0x3c0 [ 47.350821] ? setup_fault_attr+0x200/0x200 [ 47.350837] __alloc_pages_nodemask+0x239/0x2890 [ 47.358067] [ 6154] 100 6154 30769 1001 139264 0 0 systemd-timesyn [ 47.358957] ? n_tty_receive_buf_common+0xc14/0x2a90 [ 47.363021] [ 6156] 0 6156 5115 277 73728 0 0 dhclient [ 47.367269] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.367287] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 47.372960] [ 7764] 0 7764 6999 597 102400 0 0 cron [ 47.375495] ? ___preempt_schedule_notrace+0x16/0x2e [ 47.375511] ? wait_for_completion_io+0x10/0x10 [ 47.375527] ? lock_downgrade+0x720/0x720 [ 47.382413] [ 7775] 0 7775 63583 855 147456 0 0 rsyslogd [ 47.384605] alloc_pages_vma+0xf2/0x780 [ 47.384621] wp_page_copy+0x219/0x2c40 [ 47.384636] ? _vm_normal_page+0x132/0x510 [ 47.390935] [ 7800] 0 7800 3165 411 69632 0 0 agetty [ 47.393894] ? follow_pte_pmd+0x60/0x60 [ 47.393906] ? ldsem_up_read+0x45/0x80 [ 47.393920] ? n_tty_receive_buf2+0x40/0x40 [ 47.399481] [ 7801] 0 7801 3221 422 73728 0 0 agetty [ 47.402383] do_wp_page+0x2d4/0x2210 [ 47.402401] ? finish_mkwrite_fault+0x640/0x640 [ 47.409024] [ 7812] 0 7812 17490 1628 176128 0 -1000 sshd [ 47.411905] ? __handle_mm_fault+0x15f6/0x41c0 [ 47.411919] ? mark_held_locks+0xf0/0xf0 [ 47.411934] __handle_mm_fault+0x258b/0x41c0 [ 47.415956] [ 8017] 0 8017 3221 431 69632 0 0 agetty [ 47.420053] ? lock_downgrade+0x720/0x720 [ 47.420065] ? vm_insert_page+0x9c0/0x9c0 [ 47.420076] ? lock_acquire+0x170/0x3c0 [ 47.420086] ? finish_task_switch+0x118/0x760 [ 47.420099] ? lock_acquire+0x170/0x3c0 [ 47.420110] ? handle_mm_fault+0xb2/0xb10 [ 47.420124] handle_mm_fault+0x436/0xb10 [ 47.428830] [ 8018] 0 8018 3221 422 69632 0 0 agetty [ 47.433615] __do_page_fault+0x68e/0xd60 [ 47.433631] ? trace_hardirqs_off_caller+0x6e/0x210 [ 47.433645] ? spurious_fault+0x840/0x840 [ 47.438764] [ 8019] 0 8019 3221 411 69632 0 0 agetty [ 47.442798] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.442813] ? page_fault+0x8/0x30 [ 47.442828] page_fault+0x1e/0x30 [ 47.450340] [ 8020] 0 8020 3221 433 69632 0 0 agetty [ 47.453029] RIP: 0033:0x7ffaa6c6bf85 [ 47.453041] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 47.453052] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 47.456637] [ 8021] 0 8021 3221 411 73728 0 0 agetty [ 47.460035] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 47.460042] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 47.460047] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 47.460052] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.460057] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 47.488745] FAULT_INJECTION: forcing a failure. [ 47.488745] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.497114] [ 8094] 0 8094 17490 1645 180224 0 0 sshd [ 47.499801] FAULT_INJECTION: forcing a failure. [ 47.499801] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.508195] [ 8096] 0 8096 4360 1 32768 0 0 syz-executor161 [ 47.514802] CPU: 1 PID: 8138 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 47.521989] [ 8097] 0 8097 4360 13 32768 0 0 syz-executor161 [ 47.529336] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 47.529340] Call Trace: [ 47.529362] dump_stack+0x1fc/0x2ef [ 47.529376] should_fail.cold+0xa/0xf [ 47.529389] ? lock_acquire+0x170/0x3c0 [ 47.529401] ? setup_fault_attr+0x200/0x200 [ 47.529411] ? llist_del_first+0x77/0xa0 [ 47.529429] __alloc_pages_nodemask+0x239/0x2890 [ 47.540493] [ 8098] 0 8098 4360 13 32768 0 0 syz-executor161 [ 47.548485] ? lock_downgrade+0x720/0x720 [ 47.548499] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 47.548511] ? trace_hardirqs_on+0x55/0x210 [ 47.548523] ? queue_work_on+0x11a/0x1f0 [ 47.548538] ? pty_write+0x7f/0x1f0 [ 47.553952] [ 8099] 0 8099 4360 525 45056 0 1000 syz-executor161 [ 47.561785] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.561798] ? lock_downgrade+0x720/0x720 [ 47.561811] ? dev_match_devt+0x90/0x90 [ 47.561820] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 47.561833] ? do_output_char+0x15a/0x850 [ 47.561849] ? wait_for_completion_io+0x10/0x10 [ 47.572368] [ 8100] 0 8100 4360 13 32768 0 0 syz-executor161 [ 47.576586] ? lock_downgrade+0x720/0x720 [ 47.576600] alloc_pages_vma+0xf2/0x780 [ 47.576616] wp_page_copy+0x219/0x2c40 [ 47.579299] [ 8101] 0 8101 4360 13 32768 0 0 syz-executor161 [ 47.582861] ? _vm_normal_page+0x132/0x510 [ 47.582876] ? follow_pte_pmd+0x60/0x60 [ 47.590514] [ 8102] 0 8102 4360 13 32768 0 0 syz-executor161 [ 47.590753] ? n_tty_receive_buf2+0x40/0x40 [ 47.595737] [ 8103] 0 8103 4360 13 32768 0 0 syz-executor161 [ 47.599823] ? ldsem_up_read+0x45/0x80 [ 47.599833] ? n_tty_receive_buf2+0x40/0x40 [ 47.599847] do_wp_page+0x2d4/0x2210 [ 47.599860] ? finish_mkwrite_fault+0x640/0x640 [ 47.599871] ? __handle_mm_fault+0x15f6/0x41c0 [ 47.599883] ? mark_held_locks+0xf0/0xf0 [ 47.599898] __handle_mm_fault+0x258b/0x41c0 [ 47.610723] FAULT_INJECTION: forcing a failure. [ 47.610723] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.615205] ? vm_insert_page+0x9c0/0x9c0 [ 47.620646] [ 8129] 0 8129 4360 525 45056 0 1000 syz-executor161 [ 47.625738] ? lock_acquire+0x170/0x3c0 [ 47.625751] ? handle_mm_fault+0xb2/0xb10 [ 47.625766] handle_mm_fault+0x436/0xb10 [ 47.630960] [ 8130] 0 8130 4360 525 45056 0 1000 syz-executor161 [ 47.635550] __do_page_fault+0x68e/0xd60 [ 47.635570] ? trace_hardirqs_off_caller+0x6e/0x210 [ 47.651559] [ 8137] 0 8137 4360 525 45056 0 1000 syz-executor161 [ 47.651787] ? spurious_fault+0x840/0x840 [ 47.661797] [ 8138] 0 8138 4360 525 45056 0 1000 syz-executor161 [ 47.664977] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.664992] ? page_fault+0x8/0x30 [ 47.665007] page_fault+0x1e/0x30 [ 47.677124] [ 8139] 0 8139 4360 525 45056 0 1000 syz-executor161 [ 47.677682] RIP: 0033:0x7ffaa6c6bf85 [ 47.677695] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 47.677700] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 47.677708] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 47.677714] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 47.677719] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 47.677725] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 47.677731] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 47.680810] CPU: 1 PID: 8137 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 47.692284] Out of memory: Kill process 8099 (syz-executor161) score 1000 or sacrifice child [ 47.696209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 47.696214] Call Trace: [ 47.696236] dump_stack+0x1fc/0x2ef [ 47.696252] should_fail.cold+0xa/0xf [ 47.709239] Killed process 8099 (syz-executor161) total-vm:17440kB, anon-rss:2100kB, file-rss:0kB, shmem-rss:0kB [ 47.712988] ? lock_acquire+0x170/0x3c0 [ 47.713001] ? setup_fault_attr+0x200/0x200 [ 47.713016] ? llist_del_first+0x77/0xa0 [ 47.724422] oom_reaper: reaped process 8099 (syz-executor161), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.726474] __alloc_pages_nodemask+0x239/0x2890 [ 47.726488] ? lock_downgrade+0x720/0x720 [ 47.726504] ? tty_insert_flip_string_fixed_flag+0x1dc/0x250 [ 47.784015] syz-executor161 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 47.793803] ? trace_hardirqs_on+0x55/0x210 [ 47.793817] ? queue_work_on+0x11a/0x1f0 [ 47.793829] ? pty_write+0x7f/0x1f0 [ 47.793842] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.793853] ? lock_downgrade+0x720/0x720 [ 47.793869] ? dev_match_devt+0x90/0x90 [ 47.815796] syz-executor161 cpuset=/ mems_allowed=0-1 [ 47.822829] ? n_tty_receive_buf_common+0xbce/0x2a90 [ 47.822845] ? do_output_char+0x15a/0x850 [ 47.822857] ? wait_for_completion_io+0x10/0x10 [ 47.822869] ? lock_downgrade+0x720/0x720 [ 47.822881] alloc_pages_vma+0xf2/0x780 [ 47.822901] wp_page_copy+0x219/0x2c40 [ 48.777019] ? _vm_normal_page+0x132/0x510 [ 48.781269] ? follow_pte_pmd+0x60/0x60 [ 48.785280] ? n_tty_receive_buf2+0x40/0x40 [ 48.789612] ? ldsem_up_read+0x45/0x80 [ 48.793505] ? n_tty_receive_buf2+0x40/0x40 [ 48.797844] do_wp_page+0x2d4/0x2210 [ 48.801589] ? finish_mkwrite_fault+0x640/0x640 [ 48.806267] ? __handle_mm_fault+0x15f6/0x41c0 [ 48.810858] ? mark_held_locks+0xf0/0xf0 [ 48.814931] __handle_mm_fault+0x258b/0x41c0 [ 48.819352] ? vm_insert_page+0x9c0/0x9c0 [ 48.823514] ? lock_acquire+0x170/0x3c0 [ 48.827498] ? handle_mm_fault+0xb2/0xb10 [ 48.831662] handle_mm_fault+0x436/0xb10 [ 48.835738] __do_page_fault+0x68e/0xd60 [ 48.839811] ? trace_hardirqs_off_caller+0x6e/0x210 [ 48.844837] ? spurious_fault+0x840/0x840 [ 48.848995] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.853847] ? page_fault+0x8/0x30 [ 48.857405] page_fault+0x1e/0x30 [ 48.860864] RIP: 0033:0x7ffaa6c6bf85 [ 48.864598] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 48.883506] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 48.888895] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 48.896166] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 48.903535] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 executing program [ 48.910806] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.918162] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 48.925446] CPU: 0 PID: 8130 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 48.933346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 48.942702] Call Trace: [ 48.945299] dump_stack+0x1fc/0x2ef [ 48.946920] FAULT_INJECTION: forcing a failure. [ 48.946920] name fail_page_alloc, interval 1, probability 0, space 0, times 0 executing program [ 48.948938] dump_header+0x15d/0xc3f [ 48.948955] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 48.948972] ? ___ratelimit+0x319/0x590 [ 48.973520] oom_kill_process.cold+0x10/0x692 [ 48.978028] ? oom_badness.part.0+0x135/0x6e0 [ 48.982541] ? lock_downgrade+0x720/0x720 [ 48.986699] ? oom_evaluate_task+0x39e/0x6d0 [ 48.991119] out_of_memory+0x34d/0x1390 [ 48.993846] FAULT_INJECTION: forcing a failure. [ 48.993846] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 48.995096] ? lock_acquire+0x170/0x3c0 [ 48.995110] ? oom_killer_disable+0x270/0x270 [ 48.995129] ? mutex_trylock+0x15f/0x1a0 [ 49.019424] pagefault_out_of_memory+0x102/0x120 [ 49.024191] ? out_of_memory+0x1390/0x1390 [ 49.028435] ? lock_downgrade+0x720/0x720 [ 49.032599] mm_fault_error+0x106/0x390 [ 49.036590] __do_page_fault+0xc34/0xd60 [ 49.040665] ? trace_hardirqs_off_caller+0x6e/0x210 [ 49.045695] ? spurious_fault+0x840/0x840 [ 49.049850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.054703] ? page_fault+0x8/0x30 [ 49.058252] page_fault+0x1e/0x30 [ 49.061708] RIP: 0033:0x7ffaa6c6bf85 [ 49.065425] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 49.084503] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 49.089870] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 49.097146] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 49.104415] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 49.111690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.118962] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 49.126246] CPU: 1 PID: 8142 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 49.134146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 49.143516] Call Trace: [ 49.145431] FAULT_INJECTION: forcing a failure. [ 49.145431] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 49.146119] dump_stack+0x1fc/0x2ef [ 49.161588] should_fail.cold+0xa/0xf [ 49.165406] ? lock_acquire+0x170/0x3c0 [ 49.169386] ? setup_fault_attr+0x200/0x200 [ 49.173716] __alloc_pages_nodemask+0x239/0x2890 [ 49.178479] ? n_tty_receive_buf_common+0xc14/0x2a90 [ 49.183597] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 49.188541] ? n_tty_receive_buf_common+0x1884/0x2a90 [ 49.193742] ? ___preempt_schedule_notrace+0x16/0x2e [ 49.198855] ? wait_for_completion_io+0x10/0x10 [ 49.203544] ? lock_downgrade+0x720/0x720 [ 49.207790] alloc_pages_vma+0xf2/0x780 executing program [ 49.211779] wp_page_copy+0x219/0x2c40 [ 49.215683] ? _vm_normal_page+0x132/0x510 [ 49.219935] ? follow_pte_pmd+0x60/0x60 [ 49.223918] ? ldsem_up_read+0x45/0x80 [ 49.227811] ? n_tty_receive_buf2+0x40/0x40 [ 49.232146] do_wp_page+0x2d4/0x2210 [ 49.235975] ? finish_mkwrite_fault+0x640/0x640 [ 49.240657] ? __handle_mm_fault+0x15f6/0x41c0 [ 49.245267] ? mark_held_locks+0xf0/0xf0 [ 49.249341] __handle_mm_fault+0x258b/0x41c0 [ 49.253764] ? lock_downgrade+0x720/0x720 [ 49.257920] ? vm_insert_page+0x9c0/0x9c0 [ 49.262082] ? lock_acquire+0x170/0x3c0 [ 49.266070] ? finish_task_switch+0x118/0x760 [ 49.270580] ? lock_acquire+0x170/0x3c0 [ 49.274573] ? handle_mm_fault+0xb2/0xb10 [ 49.278828] handle_mm_fault+0x436/0xb10 [ 49.282903] __do_page_fault+0x68e/0xd60 [ 49.286997] ? trace_hardirqs_off_caller+0x6e/0x210 [ 49.292031] ? spurious_fault+0x840/0x840 [ 49.296191] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.301048] ? page_fault+0x8/0x30 [ 49.304599] page_fault+0x1e/0x30 [ 49.308080] RIP: 0033:0x7ffaa6c6bf85 [ 49.311971] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 bc ae 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 49.330871] RSP: 002b:00007ffd82c0db70 EFLAGS: 00010246 [ 49.336235] RAX: 0000000000000000 RBX: 00007ffaa6d14148 RCX: 0000000000000001 [ 49.343532] RDX: 0000000000000001 RSI: 00007ffaa6d14148 RDI: 0000000000000000 [ 49.350803] RBP: 0000000000000000 R08: 0000000000000001 R09: 00007ffd82c0dbe7 [ 49.358075] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 49.365349] R13: 0000000000000001 R14: 00007ffd82c0dbf0 R15: 00007ffd82c0dbe0 [ 49.372631] CPU: 0 PID: 8139 Comm: syz-executor161 Not tainted 4.19.211-syzkaller #0 [ 49.380526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 49.389899] Call Trace: [ 49.392502] dump_stack+0x1fc/0x2ef [ 49.396142] should_fail.cold+0xa/0xf [ 49.399959] ? lock_acquire+0x170/0x3c0 [ 49.403948] ? setup_fault_attr+0x200/0x200 [ 49.408282] __alloc_pages_nodemask+0x239/0x2890 [ 49.413052] ? lock_downgrade+0x720/0x720 [ 49.417210] ? mark_held_locks+0xf0/0xf0 [ 49.421283] ? commit_echoes+0x4c/0x210 [ 49.425265] ? mutex_trylock+0x1a0/0x1a0 [ 49.429338] ? mark_held_locks+0xf0/0xf0 [ 49.433409] ? __mutex_unlock_slowpath+0xea/0x610 [ 49.438271] ? mark_held_locks+0xf0/0xf0 [ 49.442379] ? get_reg+0x176/0x1f0 [ 49.445943] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 49.450795] ? deref_stack_reg+0x1d0/0x1d0 [ 49.455044] ? commit_echoes+0x128/0x210 [ 49.459123] ? lock_downgrade+0x720/0x720 [ 49.463284] alloc_pages_vma+0xf2/0x780 [ 49.467272] wp_page_copy+0x219/0x2c40 [ 49.471201] ? _vm_normal_page+0x132/0x510 [ 49.475458] ? follow_pte_pmd+0x60/0x60 [ 49.479532] ? n_tty_receive_buf2+0x40/0x40 [ 49.483859] ? ldsem_up_read+0x45/0x80 [ 49.487783] ? n_tty_receive_buf2+0x40/0x40 [ 49.492117] do_wp_page+0x2d4/0x2210 [ 49.495827] ? finish_mkwrite_fault+0x640/0x640 [ 49.500484] ? __handle_mm_fault+0x15f6/0x41c0 [ 49.505066] ? mark_held_locks+0xf0/0xf0 [ 49.509121] __handle_mm_fault+0x258b/0x41c0