[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.15.210' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 564.440163][T10697] ttyprintk ttyprintk: tty_port_close_start: tty->count = 1 port count = 1903 [ 564.451009][ C0] [ 564.451013][ C0] ====================================================== [ 564.451016][ C0] WARNING: possible circular locking dependency detected [ 564.451019][ C0] 5.9.0-rc6-next-20200924-syzkaller #0 Not tainted [ 564.451022][ C0] ------------------------------------------------------ [ 564.451025][ C0] syz-executor112/10697 is trying to acquire lock: [ 564.451029][ C0] ffffffff8a465260 (console_owner){-.-.}-{0:0}, at: console_unlock+0x36a/0xd20 [ 564.451039][ C0] [ 564.451041][ C0] but task is already holding lock: [ 564.451043][ C0] ffffffff8e5baaf8 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start.part.0+0x28/0x550 [ 564.451052][ C0] [ 564.451055][ C0] which lock already depends on the new lock. [ 564.451056][ C0] [ 564.451058][ C0] [ 564.451061][ C0] the existing dependency chain (in reverse order) is: [ 564.451062][ C0] [ 564.451063][ C0] -> #2 (&port->lock){-.-.}-{2:2}: [ 564.451072][ C0] _raw_spin_lock_irqsave+0x94/0xd0 [ 564.451075][ C0] tty_port_tty_get+0x1f/0x100 [ 564.451077][ C0] tty_port_default_wakeup+0x11/0x40 [ 564.451080][ C0] serial8250_tx_chars+0x487/0xa80 [ 564.451083][ C0] serial8250_handle_irq.part.0+0x328/0x3d0 [ 564.451085][ C0] serial8250_default_handle_irq+0xb2/0x220 [ 564.451088][ C0] serial8250_interrupt+0xe6/0x190 [ 564.451091][ C0] __handle_irq_event_percpu+0x20b/0x9e0 executing program [ 564.451093][ C0] handle_irq_event+0x102/0x290 [ 564.451095][ C0] handle_edge_irq+0x25f/0xd00 [ 564.451098][ C0] asm_call_on_stack+0xf/0x20 [ 564.451100][ C0] common_interrupt+0x115/0x1f0 [ 564.451103][ C0] asm_common_interrupt+0x1e/0x40 [ 564.451106][ C0] _raw_spin_unlock_irqrestore+0x4d/0x90 [ 564.451108][ C0] uart_write+0x30d/0x570 [ 564.451110][ C0] do_output_char+0x5de/0x850 [ 564.451112][ C0] n_tty_write+0x481/0xf80 [ 564.451114][ C0] tty_write+0x4d9/0x870 executing program executing program executing program [ 564.451117][ C0] redirected_tty_write+0xaa/0xb0 [ 564.451119][ C0] do_iter_write+0x489/0x670 [ 564.451121][ C0] vfs_writev+0x1aa/0x2e0 [ 564.451123][ C0] do_writev+0x139/0x300 [ 564.451126][ C0] do_syscall_64+0x2d/0x70 [ 564.451128][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 564.451129][ C0] [ 564.451131][ C0] -> #1 (&port_lock_key){-.-.}-{2:2}: [ 564.451140][ C0] _raw_spin_lock_irqsave+0x94/0xd0 [ 564.451143][ C0] serial8250_console_write+0x200/0xb30 [ 564.451145][ C0] console_unlock+0xac0/0xd20 [ 564.451147][ C0] vprintk_emit+0x2a6/0x6e0 [ 564.451149][ C0] vprintk_func+0x8d/0x1e0 [ 564.451151][ C0] printk+0xba/0xed [ 564.451154][ C0] register_console+0x55f/0x810 [ 564.451156][ C0] univ8250_console_init+0x3a/0x46 [ 564.451158][ C0] console_init+0x3c7/0x596 [ 564.451161][ C0] start_kernel+0x31c/0x4b1 [ 564.451163][ C0] secondary_startup_64_no_verify+0xa6/0xab [ 564.451164][ C0] [ 564.451166][ C0] -> #0 (console_owner){-.-.}-{0:0}: [ 564.451175][ C0] __lock_acquire+0x285b/0x56d0 [ 564.451177][ C0] lock_acquire+0x1f2/0xaa0 [ 564.451179][ C0] console_unlock+0x3e9/0xd20 [ 564.451181][ C0] vprintk_emit+0x2a6/0x6e0 [ 564.451184][ C0] vprintk_func+0x8d/0x1e0 [ 564.451186][ C0] printk+0xba/0xed [ 564.451188][ C0] tty_port_close_start.part.0+0x503/0x550 [ 564.451190][ C0] tty_port_close+0x46/0x170 [ 564.451193][ C0] tty_release+0x455/0xf60 [ 564.451195][ C0] __fput+0x285/0x920 [ 564.451197][ C0] task_work_run+0xdd/0x190 [ 564.451199][ C0] do_exit+0xb23/0x2930 [ 564.451201][ C0] do_group_exit+0x125/0x310 [ 564.451203][ C0] get_signal+0x428/0x1f00 [ 564.451206][ C0] arch_do_signal+0x82/0x2470 [ 564.451209][ C0] exit_to_user_mode_prepare+0x194/0x1f0 [ 564.451211][ C0] syscall_exit_to_user_mode+0x7a/0x2c0 [ 564.451214][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 564.451215][ C0] [ 564.451218][ C0] other info that might help us debug this: [ 564.451219][ C0] [ 564.451221][ C0] Chain exists of: [ 564.451222][ C0] console_owner --> &port_lock_key --> &port->lock [ 564.451233][ C0] [ 564.451235][ C0] Possible unsafe locking scenario: [ 564.451237][ C0] [ 564.451239][ C0] CPU0 CPU1 [ 564.451241][ C0] ---- ---- [ 564.451243][ C0] lock(&port->lock); [ 564.451248][ C0] lock(&port_lock_key); [ 564.451254][ C0] lock(&port->lock); [ 564.451259][ C0] lock(console_owner); [ 564.451263][ C0] [ 564.451265][ C0] *** DEADLOCK *** [ 564.451266][ C0] [ 564.451268][ C0] 3 locks held by syz-executor112/10697: [ 564.451270][ C0] #0: ffff8880980451c0 (&tty->legacy_mutex){+.+.}-{3:3}, at: tty_lock+0xbd/0x120 [ 564.451281][ C0] #1: ffffffff8e5baaf8 (&port->lock){-.-.}-{2:2}, at: tty_port_close_start.part.0+0x28/0x550 [ 564.451292][ C0] #2: ffffffff8a5455e0 (console_lock){+.+.}-{0:0}, at: vprintk_func+0x8d/0x1e0 [ 564.451302][ C0] [ 564.451304][ C0] stack backtrace: [ 564.451308][ C0] CPU: 0 PID: 10697 Comm: syz-executor112 Not tainted 5.9.0-rc6-next-20200924-syzkaller #0 [ 564.451312][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 564.451314][ C0] Call Trace: [ 564.451316][ C0] dump_stack+0x198/0x1fb [ 564.451318][ C0] check_noncircular+0x25d/0x2e0 [ 564.451321][ C0] ? stack_trace_consume_entry+0x160/0x160 [ 564.451323][ C0] ? print_circular_bug+0x3a0/0x3a0 [ 564.451325][ C0] ? memcpy+0x39/0x60 [ 564.451327][ C0] ? alloc_chain_hlocks+0x230/0x770 [ 564.451329][ C0] __lock_acquire+0x285b/0x56d0 [ 564.451332][ C0] ? lockdep_hardirqs_on_prepare+0x530/0x530 [ 564.451334][ C0] lock_acquire+0x1f2/0xaa0 [ 564.451336][ C0] ? console_unlock+0x36a/0xd20 [ 564.451338][ C0] ? lock_release+0x890/0x890 [ 564.451341][ C0] ? lock_downgrade+0x830/0x830 [ 564.451343][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 564.451345][ C0] ? rwlock_bug.part.0+0x90/0x90 [ 564.451347][ C0] console_unlock+0x3e9/0xd20 [ 564.451349][ C0] ? console_unlock+0x36a/0xd20 [ 564.451351][ C0] ? syslog_print+0x570/0x570 [ 564.451354][ C0] ? lock_release+0x890/0x890 [ 564.451356][ C0] ? do_raw_spin_unlock+0x171/0x230 [ 564.451358][ C0] ? vprintk_func+0x8d/0x1e0 [ 564.451360][ C0] vprintk_emit+0x2a6/0x6e0 [ 564.451362][ C0] vprintk_func+0x8d/0x1e0 [ 564.451364][ C0] printk+0xba/0xed [ 564.451367][ C0] ? record_print_text.cold+0x16/0x16 [ 564.451369][ C0] ? check_preemption_disabled+0x50/0x130 [ 564.451372][ C0] ? _raw_spin_lock_irqsave+0xa9/0xd0 [ 564.451374][ C0] tty_port_close_start.part.0+0x503/0x550 [ 564.451376][ C0] tty_port_close+0x46/0x170 [ 564.451378][ C0] ? tpk_open+0x60/0x60 [ 564.451380][ C0] tty_release+0x455/0xf60 [ 564.451382][ C0] __fput+0x285/0x920 [ 564.451384][ C0] ? tty_release_struct+0xe0/0xe0 [ 564.451386][ C0] task_work_run+0xdd/0x190 [ 564.451389][ C0] do_exit+0xb23/0x2930 [ 564.451391][ C0] ? lock_is_held_type+0xbb/0xf0 [ 564.451393][ C0] ? find_held_lock+0x2d/0x110 [ 564.451395][ C0] ? mm_update_next_owner+0x7a0/0x7a0 [ 564.451398][ C0] ? lock_downgrade+0x830/0x830 [ 564.451400][ C0] ? do_raw_spin_lock+0x120/0x2b0 [ 564.451402][ C0] ? lock_is_held_type+0xbb/0xf0 [ 564.451404][ C0] do_group_exit+0x125/0x310 [ 564.451406][ C0] get_signal+0x428/0x1f00 [ 564.451408][ C0] ? putname+0xe1/0x120 [ 564.451410][ C0] ? kmem_cache_free.part.0+0x19f/0x1d0 [ 564.451413][ C0] arch_do_signal+0x82/0x2470 [ 564.451415][ C0] ? do_sys_openat2+0xa1/0x420 [ 564.451417][ C0] ? build_open_flags+0x650/0x650 [ 564.451419][ C0] ? copy_siginfo_to_user32+0xa0/0xa0 [ 564.451421][ C0] ? __x64_sys_futex+0x378/0x4e0 [ 564.451424][ C0] ? __x64_sys_futex+0x382/0x4e0 [ 564.451426][ C0] ? do_futex+0x1a30/0x1a30 [ 564.451428][ C0] ? check_preemption_disabled+0x50/0x130 [ 564.451431][ C0] exit_to_user_mode_prepare+0x194/0x1f0 [ 564.451433][ C0] syscall_exit_to_user_mode+0x7a/0x2c0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 564.451436][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 564.451437][ C0] RIP: 0033:0x446839 [ 564.451439][ C0] Code: Bad RIP value. [ 564.451442][ C0] RSP: 002b:00007efe0696ddb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 564.451448][ C0] RAX: fffffffffffffe00 RBX: 00000000006dbc28 RCX: 0000000000446839 [ 564.451451][ C0] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000006dbc28 [ 564.451454][ C0] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 564.451457][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c executing program executing program executing program executing program executing program executing program executing program executing program [ 564.451461][ C0] R13: 00007ffc644cf07f R14: 00007efe0696e9c0 R15: 000000000000002d executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing 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program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program