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WARNING: CPU: 1 PID: 6827 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: 6827 Comm: syz-executor178 Not tainted 5.8.0-rc5-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:235
 exc_invalid_op+0x13/0x40 arch/x86/kernel/traps.c:255
 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 48 6c fb 8b 44 24 0c 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 b6 48 6c fb <0f> 0b c7 44 24 0c 01 00 00 00 eb d7 e8 a5 48 6c fb 48 8b 74 24 10
RSP: 0018:ffffc90000f879a8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88809ff2e880 RCX: 0000000000000000
RDX: ffff8880961ec440 RSI: ffffffff8607714a RDI: ffff88809ff2e880
RBP: 0000000000000080 R08: 0000000000000000 R09: ffff8882153ea29b
R10: ffffed1042a7d453 R11: 0000000000000000 R12: ffff8880a2228000
R13: dffffc0000000000 R14: ffff8880a6891448 R15: ffff88809ff2e880
 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:562 [inline]
 proc_reg_release+0x2e9/0x360 fs/proc/inode.c:561
 __fput+0x33c/0x880 fs/file_table.c:281
 task_work_run+0xdd/0x190 kernel/task_work.c:135
 exit_task_work include/linux/task_work.h:25 [inline]
 do_exit+0xb72/0x2a40 kernel/exit.c:805
 do_group_exit+0x125/0x310 kernel/exit.c:903
 __do_sys_exit_group kernel/exit.c:914 [inline]
 __se_sys_exit_group kernel/exit.c:912 [inline]
 __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:912
 do_syscall_64+0x60/0xe0 arch/x86/entry/common.c:384
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x43eeb8
Code: Bad RIP value.
RSP: 002b:00007ffd49c7c448 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043eeb8
RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
RBP: 00000000004be6c8 R08: 00000000000000e7 R09: ffffffffffffffd0
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000
Kernel Offset: disabled
Rebooting in 86400 seconds..