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WARNING: CPU: 1 PID: 18184 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: 0 PID: 18184 Comm: syz-executor.4 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+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:540
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 8e 2f 6c fb 8b 44 24 0c 48 83 c4 28 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 76 2f 6c fb <0f> 0b c7 44 24 0c 01 00 00 00 eb d7 e8 65 2f 6c fb 48 8b 74 24 10
RSP: 0018:ffffc90004867af0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88809b358cc0 RCX: 0000000000000000
RDX: ffff8880596723c0 RSI: ffffffff86078d1a RDI: ffff88809b358cc0
RBP: 0000000000000080 R08: 0000000000000000 R09: ffff888099cdf0db
R10: ffffed101339be1b R11: 0000000000000000 R12: ffff888091d34d40
R13: dffffc0000000000 R14: ffff8880a6bc03c8 R15: ffff88809b358cc0
 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
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop arch/x86/entry/common.c:239 [inline]
 __prepare_exit_to_usermode+0x1e9/0x1f0 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: 0033:0x415d71
Code: Bad RIP value.
RSP: 002b:00007ffe6bcf4ac0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000415d71
RDX: 0000001b31820000 RSI: 00000000000010de RDI: 0000000000000003
RBP: 0000000000000001 R08: 00000000d5f8b0df R09: 0000000000000000
R10: 00007ffe6bcf4bb0 R11: 0000000000000293 R12: 00000000007902e8
R13: 0000000000123daa R14: ffffffffffffffff R15: 000000000078bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..