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From: David Laight <David.Laight@ACULAB.COM>
To: 'Rishabh Bhatnagar' <risbhat@amazon.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"pc@cjr.nz" <pc@cjr.nz>
Cc: "stable@vger.kernel.org" <stable@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-cifs@vger.kernel.org" <linux-cifs@vger.kernel.org>,
	Aurelien Aptel <aaptel@suse.com>,
	Steve French <stfrench@microsoft.com>
Subject: RE: [PATCH 5.4 2/5] cifs: Get rid of kstrdup_const()'d paths
Date: Sun, 25 Jun 2023 15:38:37 +0000	[thread overview]
Message-ID: <043b05d64bca40509bab7dd8e368e4e5@AcuMS.aculab.com> (raw)
In-Reply-To: <20230623213406.5596-3-risbhat@amazon.com>

From: Rishabh Bhatnagar
> Sent: 23 June 2023 22:34
> From: "Paulo Alcantara (SUSE)" <pc@cjr.nz>
> 
> commit 199c6bdfb04b71d88a7765e08285885fbca60df4 upstream.
> 
> The DFS cache API is mostly used with heap allocated strings.
> 
...
> -	ce->path = kstrdup_const(path, GFP_KERNEL);
> +	ce->path = kstrndup(path, strlen(path), GFP_KERNEL);

That is entirely brain-dead.

	David

-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)


  reply	other threads:[~2023-06-25 15:38 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-23 21:34 [PATCH 5.4 0/5] CIFS DFS fixes for 5.4 Rishabh Bhatnagar
2023-06-23 21:34 ` [PATCH 5.4 1/5] cifs: Clean up DFS referral cache Rishabh Bhatnagar
2023-06-23 21:34 ` [PATCH 5.4 2/5] cifs: Get rid of kstrdup_const()'d paths Rishabh Bhatnagar
2023-06-25 15:38   ` David Laight [this message]
2023-06-25 16:58     ` Paulo Alcantara
2023-06-23 21:34 ` [PATCH 5.4 3/5] cifs: Introduce helpers for finding TCP connection Rishabh Bhatnagar
2023-06-26  6:04   ` Shyam Prasad N
2023-06-26  6:13     ` Greg KH
2023-06-26  6:30       ` Shyam Prasad N
2023-06-23 21:34 ` [PATCH 5.4 4/5] cifs: Merge is_path_valid() into get_normalized_path() Rishabh Bhatnagar
2023-06-23 21:34 ` [PATCH 5.4 5/5] cifs: Fix potential deadlock when updating vol in cifs_reconnect() Rishabh Bhatnagar
2023-06-23 22:08 ` [PATCH 5.4 0/5] CIFS DFS fixes for 5.4 Paulo Alcantara
2023-06-24 14:10   ` Greg KH

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