WARNING: CPU: 0 PID: 26976 at sound/core/pcm_lib.c:1635 snd_pcm_hw_param_first+0x289/0x690 sound/core/pcm_lib.c:1635
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 26976 Comm: syz-executor6 Not tainted 4.15.0-rc6+ #248
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
 panic+0x1e4/0x41c kernel/panic.c:183
 __warn+0x1dc/0x200 kernel/panic.c:547
 report_bug+0x211/0x2d0 lib/bug.c:184
 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178
 fixup_bug arch/x86/kernel/traps.c:247 [inline]
 do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296
 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315
 invalid_op+0x22/0x40 arch/x86/entry/entry_64.S:1079
RIP: 0010:snd_pcm_hw_param_first+0x289/0x690 sound/core/pcm_lib.c:1635
RSP: 0018:ffff8801c309f658 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801c8e2a000 RCX: ffffffff841bf1a9
RDX: 000000000000190d RSI: ffffc90003f74000 RDI: ffffed0038613ec0
RBP: ffff8801c309f6a8 R08: ffffed0038613dfa R09: ffff8801c309efc8
R10: 0000000000000001 R11: ffffed0038613df9 R12: 000000000000000d
R13: 00000000ffffffea R14: 0000000000000005 R15: 0000000000002000
 snd_pcm_hw_param_near.constprop.27+0x78d/0x9a0 sound/core/oss/pcm_oss.c:457
 snd_pcm_oss_change_params+0x17d3/0x3720 sound/core/oss/pcm_oss.c:969
 snd_pcm_oss_make_ready+0xaa/0x130 sound/core/oss/pcm_oss.c:1128
 snd_pcm_oss_write1 sound/core/oss/pcm_oss.c:1336 [inline]
 snd_pcm_oss_write+0x204/0x830 sound/core/oss/pcm_oss.c:2646
 do_loop_readv_writev fs/read_write.c:676 [inline]
 do_iter_write+0x3ca/0x540 fs/read_write.c:934
 vfs_writev+0x18a/0x340 fs/read_write.c:977
 do_writev+0xfc/0x2a0 fs/read_write.c:1012
 SYSC_writev fs/read_write.c:1085 [inline]
 SyS_writev+0x27/0x30 fs/read_write.c:1082
 entry_SYSCALL_64_fastpath+0x23/0x9a
RIP: 0033:0x452ac9
RSP: 002b:00007fe0b5e1cc58 EFLAGS: 00000212 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 000000000071bf58 RCX: 0000000000452ac9
RDX: 0000000000000001 RSI: 000000002000c000 RDI: 0000000000000014
RBP: 000000000000043c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000212 R12: 00000000006f4640
R13: 00000000ffffffff R14: 00007fe0b5e1d6d4 R15: 000000000000000b
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..