RAX: ffffffffffffffda RBX: 00000000019e0914 RCX: 00000000004552d9 RDX: 0000000020000000 RSI: 00800000c0045006 RDI: 0000000000000004 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 000000000000035e R14: 00000000006f8170 R15: 0000000000000012 WARNING: CPU: 1 PID: 4480 at sound/core/pcm_native.c:620 snd_pcm_hw_params_choose sound/core/pcm_native.c:620 [inline] WARNING: CPU: 1 PID: 4480 at sound/core/pcm_native.c:620 snd_pcm_hw_params+0x65a/0x1e20 sound/core/pcm_native.c:672 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 4480 Comm: syz-executor0 Not tainted 4.16.0+ #2 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+0x1b9/0x29f lib/dump_stack.c:53 panic+0x22f/0x4de kernel/panic.c:183 __warn.cold.8+0x163/0x1a3 kernel/panic.c:547 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1bc/0x470 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:991 RIP: 0010:snd_pcm_hw_params_choose sound/core/pcm_native.c:620 [inline] RIP: 0010:snd_pcm_hw_params+0x65a/0x1e20 sound/core/pcm_native.c:672 RSP: 0018:ffff8801ac6771d8 EFLAGS: 00010293 RAX: ffff8801acac4140 RBX: 00000000fffffff4 RCX: ffffffff859d60b0 RDX: 0000000000000000 RSI: ffffffff859d63ba RDI: 0000000000000005 RBP: ffff8801ac677428 R08: ffff8801acac4140 R09: ffffed003b6246c2 R10: ffffed003b6246c2 R11: ffff8801db123613 R12: ffffffff88262f9c R13: ffff8801cebca4c0 R14: ffff8801acbb7200 R15: dffffc0000000000 snd_pcm_kernel_ioctl+0x6c/0x240 sound/core/pcm_native.c:2999 snd_pcm_oss_change_params_locked+0x1be8/0x3ce0 sound/core/oss/pcm_oss.c:993 snd_pcm_oss_change_params+0x80/0xe0 sound/core/oss/pcm_oss.c:1101 snd_pcm_oss_get_active_substream.part.27+0x136/0x190 sound/core/oss/pcm_oss.c:1118 snd_pcm_oss_get_active_substream sound/core/oss/pcm_oss.c:1111 [inline] snd_pcm_oss_get_channels sound/core/oss/pcm_oss.c:1804 [inline] snd_pcm_oss_set_channels+0x1f6/0x340 sound/core/oss/pcm_oss.c:1796 snd_pcm_oss_ioctl+0x226c/0x3f00 sound/core/oss/pcm_oss.c:2642 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1cf/0x1650 fs/ioctl.c:684 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701 SYSC_ioctl fs/ioctl.c:708 [inline] SyS_ioctl+0x24/0x30 fs/ioctl.c:706 do_syscall_64+0x29e/0x9d0 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4552d9 RSP: 002b:0000000000a3e8e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000019e0914 RCX: 00000000004552d9 RDX: 0000000020000000 RSI: 00800000c0045006 RDI: 0000000000000004 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 R13: 000000000000035e R14: 00000000006f8170 R15: 0000000000000012 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..