Re: [PATCH] gpio: sloppy-logic-analyzer: fix use-after-free via debugfs trigger on unbind

Wolfram Sang <[email protected]> Tue, 28 Jul 2026 11:47:35 +0200

Newsgroups	org.kernel.vger.linux-gpio,org.kernel.vger.linux-kernel
Message-ID	<amh6txid90mJjd62@shikoro>

>  	debugfs_create_file_unsafe("buf_size", 0600, priv->debug_dir, priv, &fops_buf_size);
>  	debugfs_create_file_unsafe("capture", 0200, priv->debug_dir, priv, &fops_capture);
> -	debugfs_create_file_unsafe("trigger", 0200, priv->debug_dir, priv, &fops_trigger);
> +	debugfs_create_file("trigger", 0200, priv->debug_dir, priv, &fops_trigger);

What about removing the other _unsafe calls as well? TBH, I can't recall
why I used them. Doesn't make sense from today's perspective.

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