linux-ext4 - Re: [PATCH] ext4: fix error pointer dereference in ext4_mb_load_buddy

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Message-ID: <171648267844.923789.4231199989954274163.b4-ty@mit.edu>
Date: Thu, 23 May 2024 12:45:16 -0400
From: "Theodore Ts'o" <tytso@....edu>
To: Matthew Wilcox <willy@...radead.org>,
        Dan Carpenter <dan.carpenter@...aro.org>
Cc: "Theodore Ts'o" <tytso@....edu>, Andreas Dilger <adilger.kernel@...ger.ca>,
        linux-ext4@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] ext4: fix error pointer dereference in ext4_mb_load_buddy_gfp()


On Fri, 10 May 2024 18:22:53 +0300, Dan Carpenter wrote:
> This code calls folio_put() on an error pointer which will lead to a
> crash.  Check for both error pointers and NULL pointers before calling
> folio_put().
> 
> 

Applied, thanks!

[1/1] ext4: fix error pointer dereference in ext4_mb_load_buddy_gfp()
      commit: c6a6c9694aadc4c3ab8d89bdd44aed3eab1e43c6

Best regards,
-- 
Theodore Ts'o <tytso@....edu>