------------[ cut here ]------------
WARNING: CPU: 1 PID: 3217 at sound/core/info.c:609 snd_info_get_line+0x26a/0x320 sound/core/info.c:609
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 3217 Comm: syz-executor.1 Not tainted 5.8.0-rc5-next-20200716-syzkaller #0
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+0x18f/0x20d lib/dump_stack.c:118
 panic+0x2e3/0x75c kernel/panic.c:231
 __warn.cold+0x20/0x45 kernel/panic.c:600
 report_bug+0x1bd/0x210 lib/bug.c:198
 handle_bug+0x38/0x90 arch/x86/kernel/traps.c:234
 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:254
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:542
RIP: 0010:snd_info_get_line+0x26a/0x320 sound/core/info.c:609
Code: 85 b3 00 00 00 48 8b 44 24 10 c6 00 00 e8 ce 2b 68 fb 8b 44 24 0c 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 b6 2b 68 fb <0f> 0b c7 44 24 0c 01 00 00 00 eb d7 e8 a5 2b 68 fb 48 8b 74 24 10
RSP: 0018:ffffc90001f97af0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff888045845500 RCX: 0000000000000000
RDX: ffff88802a4d8080 RSI: ffffffff860c042a RDI: ffff888045845500
RBP: 0000000000000080 R08: 0000000000000000 R09: ffff8880a78f841b
R10: ffffed1014f1f083 R11: 0000000000000000 R12: ffff888096e3ea00
R13: dffffc0000000000 R14: ffff888045845288 R15: ffff888045845500
 snd_mixer_oss_proc_write+0xe2/0x530 sound/core/oss/mixer_oss.c:1179
 snd_info_text_entry_release+0xfa/0x260 sound/core/info.c:409
 close_pdeo.part.0+0xdc/0x2e0 fs/proc/inode.c:244
 close_pdeo fs/proc/inode.c:577 [inline]
 proc_reg_release+0x2e9/0x360 fs/proc/inode.c:576
 __fput+0x27e/0x8e0 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:135
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop arch/x86/entry/common.c:239 [inline]
 __prepare_exit_to_usermode+0x1e0/0x1f0 arch/x86/entry/common.c:269
 do_syscall_64+0x6c/0xe0 arch/x86/entry/common.c:393
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x415d51
Code: Bad RIP value.
RSP: 002b:00007fff087cabc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000415d51
RDX: 0000000000000000 RSI: 0000000000001d94 RDI: 0000000000000003
RBP: 0000000000000001 R08: 0000000022e4fd94 R09: 0000000022e4fd98
R10: 00007fff087cacb0 R11: 0000000000000293 R12: 000000000078c900
R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..