------------[ cut here ]------------
WARNING: CPU: 1 PID: 21388 at sound/core/info.c:609 snd_info_get_line+0x3d0/0x450 sound/core/info.c:609
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 21388 Comm: syz-executor.0 Not tainted 5.8.0-rc6-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+0x1f0/0x31e lib/dump_stack.c:118
 panic+0x264/0x7a0 kernel/panic.c:231
 __warn+0x227/0x250 kernel/panic.c:600
 report_bug+0x1b1/0x2e0 lib/bug.c:198
 handle_bug+0x42/0x80 arch/x86/kernel/traps.c:235
 exc_invalid_op+0x16/0x40 arch/x86/kernel/traps.c:255
 asm_exc_invalid_op+0x12/0x20 arch/x86/include/asm/idtentry.h:540
RIP: 0010:snd_info_get_line+0x3d0/0x450 sound/core/info.c:609
Code: 0f 85 84 00 00 00 41 c6 45 00 00 31 ed 89 e8 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 67 6d 3b fb eb 05 e8 60 6d 3b fb <0f> 0b bd 01 00 00 00 eb da 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c a3
RSP: 0018:ffffc90017e8fb78 EFLAGS: 00010283
RAX: ffffffff863924a0 RBX: 0000000000000080 RCX: 0000000000040000
RDX: ffffc90001e09000 RSI: 000000000000004e RDI: 000000000000004f
RBP: ffffc90017e8fd08 R08: dffffc0000000000 R09: ffffed101346bda4
R10: ffffed101346bda4 R11: 0000000000000000 R12: ffff888097924a48
R13: ffffc90017e8fc50 R14: 1ffff11014518e50 R15: ffff8880a28c7280
 snd_mixer_oss_proc_write+0x6d/0x670 sound/core/oss/mixer_oss.c:1179
 snd_info_text_entry_release+0xdf/0x1c0 sound/core/info.c:409
 close_pdeo+0x16c/0x310 fs/proc/inode.c:244
 proc_reg_release+0x17c/0x1c0 fs/proc/inode.c:561
 __fput+0x2f0/0x750 fs/file_table.c:281
 task_work_run+0x137/0x1c0 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+0x14c/0x1e0 arch/x86/entry/common.c:269
 do_syscall_64+0x7f/0xe0 arch/x86/entry/common.c:393
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45c1d9
Code: Bad RIP value.
RSP: 002b:00007fbc6e7bac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000124
RAX: 0000000000000004 RBX: 0000000000002980 RCX: 000000000045c1d9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 000000000078bf40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000078bf0c
R13: 00007ffdb57c740f R14: 00007fbc6e7bb9c0 R15: 000000000078bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..