RDX: 0000000020000000 RSI: 0000000000005402 RDI: 0000000000000003 RBP: 00007f4f34fd41f0 R08: 0000000000000001 R09: 0000000000000032 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 ====================================================== WARNING: possible circular locking dependency detected 4.14.302-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor540/7982 is trying to acquire lock: (console_owner){....}, at: [] log_next kernel/printk/printk.c:495 [inline] (console_owner){....}, at: [] console_unlock+0x307/0xf20 kernel/printk/printk.c:2396 but task is already holding lock: (&(&port->lock)->rlock){-.-.}, at: [] tty_insert_flip_string_and_push_buffer+0x2b/0x160 drivers/tty/tty_buffer.c:569 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&(&port->lock)->rlock){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 tty_port_tty_get+0x1d/0x80 drivers/tty/tty_port.c:288 tty_port_default_wakeup+0x11/0x40 drivers/tty/tty_port.c:46 serial8250_tx_chars+0x3fe/0xc70 drivers/tty/serial/8250/8250_port.c:1828 serial8250_handle_irq.part.0+0x2c7/0x390 drivers/tty/serial/8250/8250_port.c:1918 serial8250_handle_irq drivers/tty/serial/8250/8250_port.c:1891 [inline] serial8250_default_handle_irq+0x8a/0x1f0 drivers/tty/serial/8250/8250_port.c:1934 serial8250_interrupt+0xf3/0x210 drivers/tty/serial/8250/8250_core.c:129 __handle_irq_event_percpu+0xee/0x7f0 kernel/irq/handle.c:147 handle_irq_event_percpu kernel/irq/handle.c:187 [inline] handle_irq_event+0xed/0x240 kernel/irq/handle.c:204 handle_edge_irq+0x224/0xc40 kernel/irq/chip.c:770 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x35/0x50 arch/x86/kernel/irq_64.c:87 do_IRQ+0x93/0x1d0 arch/x86/kernel/irq.c:230 ret_from_intr+0x0/0x1e native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_safe_halt arch/x86/include/asm/paravirt.h:94 [inline] default_idle+0x47/0x370 arch/x86/kernel/process.c:558 cpuidle_idle_call kernel/sched/idle.c:156 [inline] do_idle+0x250/0x3c0 kernel/sched/idle.c:246 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:351 start_kernel+0x743/0x763 init/main.c:712 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #1 (&port_lock_key){-.-.}: __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160 serial8250_console_write+0x8cb/0xb40 drivers/tty/serial/8250/8250_port.c:3281 call_console_drivers kernel/printk/printk.c:1727 [inline] console_unlock+0x99d/0xf20 kernel/printk/printk.c:2409 vprintk_emit+0x224/0x620 kernel/printk/printk.c:1925 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1998 register_console+0x6f4/0xad0 kernel/printk/printk.c:2728 univ8250_console_init+0x2f/0x3a drivers/tty/serial/8250/8250_core.c:691 console_init+0x46/0x53 kernel/printk/printk.c:2809 start_kernel+0x521/0x763 init/main.c:638 secondary_startup_64+0xa5/0xb0 arch/x86/kernel/head_64.S:240 -> #0 (console_owner){....}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_lock_spinning_enable kernel/printk/printk.c:1590 [inline] console_unlock+0x36f/0xf20 kernel/printk/printk.c:2406 vprintk_emit+0x224/0x620 kernel/printk/printk.c:1925 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1998 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xdf/0x149 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2898 [inline] prepare_alloc_pages mm/page_alloc.c:4165 [inline] __alloc_pages_nodemask+0x21e/0x2900 mm/page_alloc.c:4213 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2107 alloc_pages include/linux/gfp.h:520 [inline] depot_save_stack+0x3ae/0x3f0 lib/stackdepot.c:251 save_stack mm/kasan/kasan.c:453 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0x139/0x160 mm/kasan/kasan.c:551 __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x15a/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc+0xc0/0x270 drivers/tty/tty_buffer.c:169 __tty_buffer_request_room+0x12c/0x290 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x8b/0x210 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:36 [inline] tty_insert_flip_string_and_push_buffer+0x3e/0x160 drivers/tty/tty_buffer.c:570 pty_write+0xc3/0xf0 drivers/tty/pty.c:118 tty_put_char+0xfe/0x120 drivers/tty/tty_io.c:2885 __process_echoes+0x48c/0x8c0 drivers/tty/n_tty.c:728 process_echoes+0xe9/0x1a0 drivers/tty/n_tty.c:811 n_tty_set_termios+0x60f/0xcc0 drivers/tty/n_tty.c:1870 tty_set_termios+0x5d5/0x810 drivers/tty/tty_ioctl.c:340 set_termios.part.0+0x244/0x3f0 drivers/tty/tty_ioctl.c:413 set_termios drivers/tty/tty_ioctl.c:367 [inline] tty_mode_ioctl+0x866/0xa80 drivers/tty/tty_ioctl.c:748 n_tty_ioctl_helper+0x44/0x350 drivers/tty/tty_ioctl.c:939 n_tty_ioctl+0x47/0x2e0 drivers/tty/n_tty.c:2466 tty_ioctl+0x5af/0x1430 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 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 *** 6 locks held by syz-executor540/7982: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284 #1: (&o_tty->termios_rwsem/1){++++}, at: [] tty_set_termios+0xd3/0x810 drivers/tty/tty_ioctl.c:327 #2: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref+0x1b/0x80 drivers/tty/tty_ldisc.c:305 #3: (&ldata->output_lock){+.+.}, at: [] process_echoes+0x9f/0x1a0 drivers/tty/n_tty.c:809 #4: (&(&port->lock)->rlock){-.-.}, at: [] tty_insert_flip_string_and_push_buffer+0x2b/0x160 drivers/tty/tty_buffer.c:569 #5: (console_lock){+.+.}, at: [] vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 stack backtrace: CPU: 0 PID: 7982 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 console_lock_spinning_enable kernel/printk/printk.c:1590 [inline] console_unlock+0x36f/0xf20 kernel/printk/printk.c:2406 vprintk_emit+0x224/0x620 kernel/printk/printk.c:1925 vprintk_func+0x58/0x160 kernel/printk/printk_safe.c:409 printk+0x9e/0xbc kernel/printk/printk.c:1998 fail_dump lib/fault-inject.c:44 [inline] should_fail.cold+0xdf/0x149 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2898 [inline] prepare_alloc_pages mm/page_alloc.c:4165 [inline] __alloc_pages_nodemask+0x21e/0x2900 mm/page_alloc.c:4213 alloc_pages_current+0x155/0x260 mm/mempolicy.c:2107 alloc_pages include/linux/gfp.h:520 [inline] depot_save_stack+0x3ae/0x3f0 lib/stackdepot.c:251 save_stack mm/kasan/kasan.c:453 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0x139/0x160 mm/kasan/kasan.c:551 __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x15a/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] tty_buffer_alloc+0xc0/0x270 drivers/tty/tty_buffer.c:169 __tty_buffer_request_room+0x12c/0x290 drivers/tty/tty_buffer.c:268 tty_insert_flip_string_fixed_flag+0x8b/0x210 drivers/tty/tty_buffer.c:313 tty_insert_flip_string include/linux/tty_flip.h:36 [inline] tty_insert_flip_string_and_push_buffer+0x3e/0x160 drivers/tty/tty_buffer.c:570 pty_write+0xc3/0xf0 drivers/tty/pty.c:118 tty_put_char+0xfe/0x120 drivers/tty/tty_io.c:2885 __process_echoes+0x48c/0x8c0 drivers/tty/n_tty.c:728 process_echoes+0xe9/0x1a0 drivers/tty/n_tty.c:811 n_tty_set_termios+0x60f/0xcc0 drivers/tty/n_tty.c:1870 tty_set_termios+0x5d5/0x810 drivers/tty/tty_ioctl.c:340 set_termios.part.0+0x244/0x3f0 drivers/tty/tty_ioctl.c:413 set_termios drivers/tty/tty_ioctl.c:367 [inline] tty_mode_ioctl+0x866/0xa80 drivers/tty/tty_ioctl.c:748 n_tty_ioctl_helper+0x44/0x350 drivers/tty/tty_ioctl.c:939 n_tty_ioctl+0x47/0x2e0 drivers/tty/n_tty.c:2466 tty_ioctl+0x5af/0x1430 drivers/tty/tty_io.c:2670 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x75a/0xff0 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd41e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000020000000 RSI: 0000000000005402 RDI: 0000000000000003 RBP: 00007f4f34fd41f0 R08: 0000000000000001 R09: 0000000000000032 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 1 CPU: 0 PID: 7985 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7988 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7991 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 7994 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 7999 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8002 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8005 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8008 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8011 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8014 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8017 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8020 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8023 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8026 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8029 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8032 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8035 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8038 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8041 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8044 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8047 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8050 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8053 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8056 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8059 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8062 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8065 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8068 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8071 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8074 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wait_setup+0xb3/0x260 kernel/futex.c:2787 futex_wait+0x199/0x5a0 kernel/futex.c:2850 do_futex+0x1d8/0x1570 kernel/futex.c:3906 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f4f350cd498 RBP: 00007f4f350cd490 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8077 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8080 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8083 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573 futex_wake+0xc6/0x3c0 kernel/futex.c:1694 do_futex+0x235/0x1570 kernel/futex.c:3910 SYSC_futex kernel/futex.c:3966 [inline] SyS_futex+0x1da/0x290 kernel/futex.c:3934 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f4f3504c0d9 RSP: 002b:00007f4f34fd4218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: ffffffffffffffda RBX: 00007f4f350cd498 RCX: 00007f4f3504c0d9 RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f4f350cd49c RBP: 00007f4f350cd490 R08: 0000000000000032 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 00007f4f350cd49c R13: 00007ffe87f9a40f R14: 00007f4f34fd4300 R15: 0000000000022000 FAULT_INJECTION: forcing a failure. name fail_futex, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8086 Comm: syz-executor540 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 should_fail_futex kernel/futex.c:309 [inline] get_futex_key+0x82a/0x11b0 kernel/futex.c:573