WARNING: CPU: 1 PID: 30133 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: 1 PID: 30133 Comm: syzkaller761422 Not tainted 4.15.0-rc6+ #250
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:ffff8801cddfee00 EFLAGS: 00010293
RAX: ffff8801c0290200 RBX: ffff8801c29a1b40 RCX: ffffffff841bfb79
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: ffffed0039bbfdb8
RBP: ffff8801cddfee50 R08: ffffed0039bbfcef R09: ffff8801cddfe770
R10: 0000000000000001 R11: ffffed0039bbfcee 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_sync+0x257/0x830 sound/core/oss/pcm_oss.c:1638
 snd_pcm_oss_release+0x20b/0x280 sound/core/oss/pcm_oss.c:2431
 __fput+0x327/0x7e0 fs/file_table.c:210
 ____fput+0x15/0x20 fs/file_table.c:244
 task_work_run+0x199/0x270 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x9bb/0x1ad0 kernel/exit.c:865
 do_group_exit+0x149/0x400 kernel/exit.c:968
 get_signal+0x73f/0x16c0 kernel/signal.c:2335
 do_signal+0x90/0x1eb0 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x214/0x310 arch/x86/entry/common.c:158
 prepare_exit_to_usermode arch/x86/entry/common.c:195 [inline]
 syscall_return_slowpath+0x490/0x550 arch/x86/entry/common.c:264
 entry_SYSCALL_64_fastpath+0x98/0x9a
RIP: 0033:0x44b539
RSP: 002b:00007f60c24f4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 0000000000000000 RBX: 00000000006ddc3c RCX: 000000000044b539
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000006ddc3c
RBP: 00000000006ddc38 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd67893a4f R14: 00007f60c24f59c0 R15: 0000000000000004
Dumping ftrace buffer:
   (ftrace buffer empty)
Kernel Offset: disabled
Rebooting in 86400 seconds..