RAX: ffffffffffffffda RBX: 00007f2e230966d4 RCX: 0000000000455259 RDX: 000000002000bff8 RSI: 00800000c0045005 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000012 WARNING: CPU: 1 PID: 12991 at sound/core/pcm_native.c:620 snd_pcm_hw_params_choose sound/core/pcm_native.c:620 [inline] WARNING: CPU: 1 PID: 12991 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: 12991 Comm: syz-executor1 Not tainted 4.16.0+ #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 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+0x1de/0x490 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:ffff88018ff5f198 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 00000000fffffff4 RCX: ffffc900052ca000 RDX: 0000000000040000 RSI: ffffffff859e0d9a RDI: 0000000000000005 RBP: ffff88018ff5f3e8 R08: ffff8801ade88340 R09: ffffed003b6246c2 R10: ffffed003b6246c2 R11: ffff8801db123613 R12: ffffffff8826349c R13: ffff8801cebedb00 R14: ffff8801ae1f56c0 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_formats+0x8d/0x450 sound/core/oss/pcm_oss.c:1829 snd_pcm_oss_set_format sound/core/oss/pcm_oss.c:1870 [inline] snd_pcm_oss_ioctl+0xd9b/0x3f00 sound/core/oss/pcm_oss.c:2630 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: 0033:0x455259 RSP: 002b:00007f2e23095c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f2e230966d4 RCX: 0000000000455259 RDX: 000000002000bff8 RSI: 00800000c0045005 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000012 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..