RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
======================================================
WARNING: possible circular locking dependency detected
4.14.111 #1 Not tainted
------------------------------------------------------
syz-executor021/7153 is trying to acquire lock:
 (console_owner){-...}, at: [<ffffffff814aeb01>] log_next kernel/printk/printk.c:492 [inline]
 (console_owner){-...}, at: [<ffffffff814aeb01>] console_unlock+0x371/0xed0 kernel/printk/printk.c:2378

but task is already holding lock:
 (&(&port->lock)->rlock){-.-.}, at: [<ffffffff8311ed60>] pty_write+0xe0/0x1d0 drivers/tty/pty.c:119

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #2 (&(&port->lock)->rlock){-.-.}:
       lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160
       tty_port_tty_get+0x22/0x80 drivers/tty/tty_port.c:287
       tty_port_default_wakeup+0x16/0x40 drivers/tty/tty_port.c:46
       tty_port_tty_wakeup+0x5d/0x70 drivers/tty/tty_port.c:389
       uart_write_wakeup+0x46/0x70 drivers/tty/serial/serial_core.c:116
       serial8250_tx_chars+0x41c/0xa30 drivers/tty/serial/8250/8250_port.c:1810
       serial8250_handle_irq.part.0+0x198/0x220 drivers/tty/serial/8250/8250_port.c:1883
       serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1869 [inline]
       serial8250_default_handle_irq+0xa6/0x120 drivers/tty/serial/8250/8250_port.c:1899
       serial8250_interrupt+0xef/0x1a0 drivers/tty/serial/8250/8250_core.c:129
       __handle_irq_event_percpu+0x127/0x800 kernel/irq/handle.c:147
       handle_irq_event_percpu+0x65/0x130 kernel/irq/handle.c:187
       handle_irq_event+0xa7/0x134 kernel/irq/handle.c:204
       handle_edge_irq+0x231/0x850 kernel/irq/chip.c:770
       generic_handle_irq_desc include/linux/irqdesc.h:159 [inline]
       handle_irq+0x252/0x34c arch/x86/kernel/irq_64.c:78
       do_IRQ+0x99/0x1e0 arch/x86/kernel/irq.c:230
       ret_from_intr+0x0/0x1e
       arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline]
       __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline]
       _raw_spin_unlock_irqrestore+0x95/0xe0 kernel/locking/spinlock.c:192
       spin_unlock_irqrestore include/linux/spinlock.h:372 [inline]
       uart_write+0x29a/0x4f0 drivers/tty/serial/serial_core.c:628
       process_output_block drivers/tty/n_tty.c:595 [inline]
       n_tty_write+0x391/0xef0 drivers/tty/n_tty.c:2333
       do_tty_write drivers/tty/tty_io.c:957 [inline]
       tty_write+0x3f9/0x700 drivers/tty/tty_io.c:1041
       redirected_tty_write+0xa3/0xb0 drivers/tty/tty_io.c:1062
       __vfs_write+0x107/0x6c0 fs/read_write.c:480
       vfs_write+0x198/0x500 fs/read_write.c:544
       SYSC_write fs/read_write.c:589 [inline]
       SyS_write+0xb8/0x180 fs/read_write.c:581
       do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
       entry_SYSCALL_64_after_hwframe+0x42/0xb7

-> #1 (&port_lock_key){-.-.}:
       lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
       __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
       _raw_spin_lock_irqsave+0x95/0xcd kernel/locking/spinlock.c:160
       serial8250_console_write+0x72c/0x950 drivers/tty/serial/8250/8250_port.c:3232
       univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:597
       call_console_drivers kernel/printk/printk.c:1719 [inline]
       console_unlock+0x9c1/0xed0 kernel/printk/printk.c:2391
       vprintk_emit kernel/printk/printk.c:1917 [inline]
       vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1882
       vprintk_default+0x28/0x30 kernel/printk/printk.c:1957
       vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401
       printk+0x9e/0xbc kernel/printk/printk.c:1990
       register_console+0x61c/0x9f0 kernel/printk/printk.c:2710
       univ8250_console_init+0x33/0x3f drivers/tty/serial/8250/8250_core.c:692
       console_init+0x54/0x60 kernel/printk/printk.c:2791
       start_kernel+0x43f/0x700 init/main.c:635
       x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:380
       x86_64_start_kernel+0x77/0x7b arch/x86/kernel/head64.c:361
       secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240

-> #0 (console_owner){-...}:
       check_prev_add kernel/locking/lockdep.c:1901 [inline]
       check_prevs_add kernel/locking/lockdep.c:2018 [inline]
       validate_chain kernel/locking/lockdep.c:2460 [inline]
       __lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487
       lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
       console_lock_spinning_enable kernel/printk/printk.c:1582 [inline]
       console_unlock+0x3db/0xed0 kernel/printk/printk.c:2388
       vprintk_emit kernel/printk/printk.c:1917 [inline]
       vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1882
       vprintk_default+0x28/0x30 kernel/printk/printk.c:1957
       vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401
       printk+0x9e/0xbc kernel/printk/printk.c:1990
       fail_dump lib/fault-inject.c:44 [inline]
       should_fail.cold+0xe4/0x159 lib/fault-inject.c:149
       should_fail_alloc_page mm/page_alloc.c:2891 [inline]
       prepare_alloc_pages mm/page_alloc.c:4124 [inline]
       __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
       __alloc_pages include/linux/gfp.h:461 [inline]
       __alloc_pages_node include/linux/gfp.h:474 [inline]
       kmem_getpages mm/slab.c:1419 [inline]
       cache_grow_begin+0x80/0x410 mm/slab.c:2676
       cache_alloc_refill mm/slab.c:3043 [inline]
       ____cache_alloc mm/slab.c:3125 [inline]
       ____cache_alloc mm/slab.c:3108 [inline]
       __do_cache_alloc mm/slab.c:3347 [inline]
       slab_alloc mm/slab.c:3382 [inline]
       __do_kmalloc mm/slab.c:3718 [inline]
       __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
       kmalloc include/linux/slab.h:493 [inline]
       tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
       __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
       tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
       tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
       pty_write+0x113/0x1d0 drivers/tty/pty.c:121
       do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
       __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
       flush_echoes drivers/tty/n_tty.c:829 [inline]
       __receive_buf drivers/tty/n_tty.c:1648 [inline]
       n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
       n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
       tiocsti drivers/tty/tty_io.c:2184 [inline]
       tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
       vfs_ioctl fs/ioctl.c:46 [inline]
       file_ioctl fs/ioctl.c:500 [inline]
       do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
       SYSC_ioctl fs/ioctl.c:701 [inline]
       SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
       do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
       entry_SYSCALL_64_after_hwframe+0x42/0xb7

other info that might help us debug this:

Chain exists of:
  console_owner --> &port_lock_key --> &(&port->lock)->rlock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&(&port->lock)->rlock);
                               lock(&port_lock_key);
                               lock(&(&port->lock)->rlock);
  lock(console_owner);

 *** DEADLOCK ***

5 locks held by syz-executor021/7153:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff861a89e3>] ldsem_down_read+0x33/0x40 drivers/tty/tty_ldsem.c:377
 #1:  (&o_tty->termios_rwsem/1){++++}, at: [<ffffffff8310dd32>] n_tty_receive_buf_common+0x92/0x2410 drivers/tty/n_tty.c:1705
 #2:  (&ldata->output_lock){+.+.}, at: [<ffffffff8310e5f8>] flush_echoes drivers/tty/n_tty.c:827 [inline]
 #2:  (&ldata->output_lock){+.+.}, at: [<ffffffff8310e5f8>] __receive_buf drivers/tty/n_tty.c:1648 [inline]
 #2:  (&ldata->output_lock){+.+.}, at: [<ffffffff8310e5f8>] n_tty_receive_buf_common+0x958/0x2410 drivers/tty/n_tty.c:1742
 #3:  (&(&port->lock)->rlock){-.-.}, at: [<ffffffff8311ed60>] pty_write+0xe0/0x1d0 drivers/tty/pty.c:119
 #4:  (console_lock){+.+.}, at: [<ffffffff814af84b>] console_trylock_spinning kernel/printk/printk.c:1644 [inline]
 #4:  (console_lock){+.+.}, at: [<ffffffff814af84b>] vprintk_emit kernel/printk/printk.c:1916 [inline]
 #4:  (console_lock){+.+.}, at: [<ffffffff814af84b>] vprintk_emit+0x1eb/0x600 kernel/printk/printk.c:1882

stack backtrace:
CPU: 1 PID: 7153 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 print_circular_bug.isra.0.cold+0x1cc/0x28f kernel/locking/lockdep.c:1258
 check_prev_add kernel/locking/lockdep.c:1901 [inline]
 check_prevs_add kernel/locking/lockdep.c:2018 [inline]
 validate_chain kernel/locking/lockdep.c:2460 [inline]
 __lock_acquire+0x2c89/0x45e0 kernel/locking/lockdep.c:3487
 lock_acquire+0x16f/0x430 kernel/locking/lockdep.c:3994
 console_lock_spinning_enable kernel/printk/printk.c:1582 [inline]
 console_unlock+0x3db/0xed0 kernel/printk/printk.c:2388
 vprintk_emit kernel/printk/printk.c:1917 [inline]
 vprintk_emit+0x1f9/0x600 kernel/printk/printk.c:1882
 vprintk_default+0x28/0x30 kernel/printk/printk.c:1957
 vprintk_func+0x5d/0x159 kernel/printk/printk_safe.c:401
 printk+0x9e/0xbc kernel/printk/printk.c:1990
 fail_dump lib/fault-inject.c:44 [inline]
 should_fail.cold+0xe4/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7154 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7155 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7156 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7157 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7158 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7159 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7160 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7161 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7162 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7163 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7164 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7165 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7166 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7167 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7168 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7169 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7170 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7171 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7172 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7173 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7174 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7175 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7176 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7177 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7178 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7179 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7180 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7181 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7182 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7183 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7184 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7185 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7186 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7187 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7188 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7189 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7190 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7191 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7192 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7193 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7194 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 7195 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113
 alloc_pages include/linux/gfp.h:497 [inline]
 __get_free_pages+0xf/0x40 mm/page_alloc.c:4226
 tlb_next_batch mm/memory.c:205 [inline]
 __tlb_remove_page_size+0x2c5/0x4f0 mm/memory.c:317
 __tlb_remove_page include/asm-generic/tlb.h:150 [inline]
 zap_pte_range mm/memory.c:1345 [inline]
 zap_pmd_range mm/memory.c:1444 [inline]
 zap_pud_range mm/memory.c:1473 [inline]
 zap_p4d_range mm/memory.c:1494 [inline]
 unmap_page_range+0xacd/0x1770 mm/memory.c:1515
 unmap_single_vma+0x15d/0x2c0 mm/memory.c:1560
 unmap_vmas+0xac/0x170 mm/memory.c:1590
 exit_mmap+0x285/0x4e0 mm/mmap.c:3057
 __mmput kernel/fork.c:926 [inline]
 mmput+0x114/0x440 kernel/fork.c:947
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0x71d/0x2c10 kernel/exit.c:861
 do_group_exit+0x111/0x330 kernel/exit.c:977
 SYSC_exit_group kernel/exit.c:988 [inline]
 SyS_exit_group+0x1d/0x20 kernel/exit.c:986
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x43ff68
RSP: 002b:00007ffd6657e7d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043ff68
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004bfc30 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d2180 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.
name fail_page_alloc, interval 1, probability 0, space 0, times 0
CPU: 1 PID: 7196 Comm: syz-executor021 Not tainted 4.14.111 #1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_fail_alloc_page mm/page_alloc.c:2891 [inline]
 prepare_alloc_pages mm/page_alloc.c:4124 [inline]
 __alloc_pages_nodemask+0x1d6/0x7a0 mm/page_alloc.c:4172
 __alloc_pages include/linux/gfp.h:461 [inline]
 __alloc_pages_node include/linux/gfp.h:474 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x80/0x410 mm/slab.c:2676
 cache_alloc_refill mm/slab.c:3043 [inline]
 ____cache_alloc mm/slab.c:3125 [inline]
 ____cache_alloc mm/slab.c:3108 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 __do_kmalloc mm/slab.c:3718 [inline]
 __kmalloc+0x6c2/0x7a0 mm/slab.c:3729
 kmalloc include/linux/slab.h:493 [inline]
 tty_buffer_alloc drivers/tty/tty_buffer.c:169 [inline]
 __tty_buffer_request_room+0x1a4/0x500 drivers/tty/tty_buffer.c:267
 tty_insert_flip_string_fixed_flag+0x8a/0x1c0 drivers/tty/tty_buffer.c:312
 tty_insert_flip_string include/linux/tty_flip.h:37 [inline]
 pty_write+0x113/0x1d0 drivers/tty/pty.c:121
 do_output_char+0x52a/0x7b0 drivers/tty/n_tty.c:447
 __process_echoes+0x316/0x8a0 drivers/tty/n_tty.c:739
 flush_echoes drivers/tty/n_tty.c:829 [inline]
 __receive_buf drivers/tty/n_tty.c:1648 [inline]
 n_tty_receive_buf_common+0x998/0x2410 drivers/tty/n_tty.c:1742
 n_tty_receive_buf+0x31/0x3b drivers/tty/n_tty.c:1771
 tiocsti drivers/tty/tty_io.c:2184 [inline]
 tty_ioctl+0xe0e/0x1340 drivers/tty/tty_io.c:2570
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x441319
RSP: 002b:00007ffd6657e818 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441319
RDX: 0000000020000040 RSI: 0000000000005412 RDI: 0000000000000005
RBP: 00007ffd6657e830 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff
R13: 0000000000000006 R14: 0000000000000000 R15: 0000000000000000
FAULT_INJECTION: forcing a failure.