QAT: Invalid ioctl ALSA: seq fatal error: cannot create timer (-19) INFO: rcu_sched self-detected stall on CPU INFO: rcu_sched detected stalls on CPUs/tasks: 0-....: (125000 ticks this GP) idle=ada/1/4611686018427387906 softirq=51781/51781 fqs=31240 (detected by 1, t=125002 jiffies, g=29035, c=29034, q=607) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 15699 Comm: syz-executor1 Not tainted 4.15.0-rc1-mm1+ #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: 00000000040c4353 task.stack: 00000000ebc7b426 RIP: 0010:inb arch/x86/include/asm/io.h:348 [inline] RIP: 0010:io_serial_in+0x6b/0x90 drivers/tty/serial/8250/8250_port.c:434 RSP: 0018:ffff8801db406ff8 EFLAGS: 00000002 RAX: dffffc0000000000 RBX: 00000000000003fd RCX: 0000000000000000 RDX: 00000000000003fd RSI: 0000000000000005 RDI: ffffffff87cf0a80 RBP: ffff8801db407008 R08: 0000000000000003 R09: 000000000000000c R10: 0000000000000000 R11: ffffffff8748cda0 R12: ffffffff87cf0a40 R13: 0000000000000020 R14: fffffbfff0f9e18f R15: fffffbfff0f9e152 FS: 00007f3667691700(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000006efc68 CR3: 00000001d871b000 CR4: 00000000001406f0 DR0: 0000000020001000 DR1: 0000000020001008 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: serial_in drivers/tty/serial/8250/8250.h:111 [inline] wait_for_xmitr+0x93/0x1e0 drivers/tty/serial/8250/8250_port.c:2033 serial8250_console_putchar+0x1f/0x60 drivers/tty/serial/8250/8250_port.c:3170 uart_console_write+0xac/0xe0 drivers/tty/serial/serial_core.c:1858 serial8250_console_write+0x647/0xa20 drivers/tty/serial/8250/8250_port.c:3236 univ8250_console_write+0x5f/0x70 drivers/tty/serial/8250/8250_core.c:590 call_console_drivers kernel/printk/printk.c:1574 [inline] console_unlock+0x788/0xd70 kernel/printk/printk.c:2233 vprintk_emit+0x4ad/0x590 kernel/printk/printk.c:1757 vprintk_default+0x28/0x30 kernel/printk/printk.c:1796 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:379 printk+0xaa/0xca kernel/printk/printk.c:1829 print_cpu_stall_info_begin kernel/rcu/tree_plugin.h:1656 [inline] print_cpu_stall kernel/rcu/tree.c:1510 [inline] check_cpu_stall.isra.64+0x845/0x15b0 kernel/rcu/tree.c:1592 __rcu_pending kernel/rcu/tree.c:3361 [inline] rcu_pending kernel/rcu/tree.c:3423 [inline] rcu_check_callbacks+0x238/0xd20 kernel/rcu/tree.c:2763 update_process_times+0x30/0x60 kernel/time/timer.c:1640 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1166 __run_hrtimer kernel/time/hrtimer.c:1348 [inline] __hrtimer_run_queues+0x373/0xea0 kernel/time/hrtimer.c:1411 hrtimer_interrupt+0x2a5/0x6f0 kernel/time/hrtimer.c:1469 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:907 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 RSP: 0018:ffff8801c003fb40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff11 RAX: 0000000000010000 RBX: ffffc900012e5060 RCX: ffffffff8286f096 RDX: 0000000000010000 RSI: ffffc90003af4000 RDI: ffffc900012e6260 RBP: ffff8801c003fb88 R08: 1ffffffff0d302c3 R09: 0000000000000004 R10: 0000000000000000 R11: ffffffff8748cda0 R12: ffffc900012e4000 R13: 000000046ec42a68 R14: 0000000020fdd000 R15: ffff8801d86370b8 tty_ioctl+0x32e/0x15f0 drivers/tty/tty_io.c:2638 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x4529d9 RSP: 002b:00007f3667690c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 00000000004529d9 RDX: 0000000020fdd000 RSI: 000000000000541b RDI: 0000000000000014 RBP: 00000000000001d3 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006efc68 R13: 00000000ffffffff R14: 00007f36676916d4 R15: 0000000000000006 Code: 24 d9 00 00 00 49 8d 7c 24 40 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 d3 e3 80 3c 02 00 75 17 41 03 5c 24 40 89 da ec <5b> 0f b6 c0 41 5c 5d c3 e8 78 b1 18 ff eb c2 e8 d1 b1 18 ff eb 0-....: (125000 ticks this GP) idle=ada/1/4611686018427387906 softirq=51781/51781 fqs=31404 (t=125669 jiffies g=29035 c=29034 q=607) NMI backtrace for cpu 0 CPU: 0 PID: 15699 Comm: syz-executor1 Not tainted 4.15.0-rc1-mm1+ #29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 nmi_cpu_backtrace+0x1d2/0x210 lib/nmi_backtrace.c:103 nmi_trigger_cpumask_backtrace+0x122/0x180 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:156 [inline] rcu_dump_cpu_stacks+0x186/0x1da kernel/rcu/tree.c:1375 print_cpu_stall kernel/rcu/tree.c:1524 [inline] check_cpu_stall.isra.64+0xbb8/0x15b0 kernel/rcu/tree.c:1592 __rcu_pending kernel/rcu/tree.c:3361 [inline] rcu_pending kernel/rcu/tree.c:3423 [inline] rcu_check_callbacks+0x238/0xd20 kernel/rcu/tree.c:2763 update_process_times+0x30/0x60 kernel/time/timer.c:1640 tick_sched_handle+0x85/0x160 kernel/time/tick-sched.c:162 tick_sched_timer+0x42/0x120 kernel/time/tick-sched.c:1166 __run_hrtimer kernel/time/hrtimer.c:1348 [inline] __hrtimer_run_queues+0x373/0xea0 kernel/time/hrtimer.c:1411 hrtimer_interrupt+0x2a5/0x6f0 kernel/time/hrtimer.c:1469 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1025 [inline] smp_apic_timer_interrupt+0x14a/0x700 arch/x86/kernel/apic/apic.c:1050 apic_timer_interrupt+0xa9/0xb0 arch/x86/entry/entry_64.S:907 RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 RSP: 0018:ffff8801c003fb40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff11 RAX: 0000000000010000 RBX: ffffc900012e5060 RCX: ffffffff8286f096 RDX: 0000000000010000 RSI: ffffc90003af4000 RDI: ffffc900012e6260 RBP: ffff8801c003fb88 R08: 1ffffffff0d302c3 R09: 0000000000000004 R10: 0000000000000000 R11: ffffffff8748cda0 R12: ffffc900012e4000 R13: 000000046ec42a68 R14: 0000000020fdd000 R15: ffff8801d86370b8 tty_ioctl+0x32e/0x15f0 drivers/tty/tty_io.c:2638 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x4529d9 RSP: 002b:00007f3667690c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000007580d8 RCX: 00000000004529d9 RDX: 0000000020fdd000 RSI: 000000000000541b RDI: 0000000000000014 RBP: 00000000000001d3 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006efc68 R13: 00000000ffffffff R14: 00007f36676916d4 R15: 0000000000000006 INFO: rcu_sched detected expedited stalls on CPUs/tasks: { 0-... } 128652 jiffies s: 2401 root: 0x1/. blocking rcu_node structures: Task dump for CPU 0: syz-executor1 R running task 25944 15699 3389 0x8000000c Call Trace: context_switch kernel/sched/core.c:2803 [inline] __schedule+0x8f3/0x2060 kernel/sched/core.c:3376 print_usage_bug+0x3f0/0x3f0 kernel/locking/lockdep.c:2580