RAX: ffffffffffffffda RBX: 00007fcd485976d4 RCX: 0000000000455259
RDX: 0000000020000000 RSI: 00800000c0045003 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000012
WARNING: CPU: 0 PID: 13811 at sound/core/pcm_native.c:620 snd_pcm_hw_params_choose sound/core/pcm_native.c:620 [inline]
WARNING: CPU: 0 PID: 13811 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: 0 PID: 13811 Comm: syz-executor0 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:ffff8801b46b71d8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 00000000fffffff4 RCX: ffffc90001eb0000
RDX: 0000000000040000 RSI: ffffffff859e0d9a RDI: 0000000000000005
RBP: ffff8801b46b7428 R08: ffff8801ba4aa600 R09: ffffed003b6046c2
R10: ffffed003b6046c2 R11: ffff8801db023613 R12: ffffffff8826349c
R13: ffff8801cebf36c0 R14: ffff8801d31d5680 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+0x2f6/0x3f00 sound/core/oss/pcm_oss.c:2619
 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:00007fcd48596c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcd485976d4 RCX: 0000000000455259
RDX: 0000000020000000 RSI: 00800000c0045003 RDI: 0000000000000013
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015
R13: 000000000000035f R14: 00000000006f8188 R15: 0000000000000012
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..