linux-ext4 - Re: [PATCH] ext4: fix potential NULL pointer dereference in ext4_fill

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Message-Id: <164342850388.815473.363466652526479494.b4-ty@mit.edu>
Date:   Fri, 28 Jan 2022 22:55:13 -0500
From:   "Theodore Ts'o" <tytso@....edu>
To:     linux-ext4@...r.kernel.org, Lukas Czerner <lczerner@...hat.com>
Cc:     "Theodore Ts'o" <tytso@....edu>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] ext4: fix potential NULL pointer dereference in ext4_fill_super()

On Wed, 19 Jan 2022 14:02:09 +0100, Lukas Czerner wrote:
> By mistake we fail to return an error from ext4_fill_super() in case
> that ext4_alloc_sbi() fails to allocate a new sbi. Instead we just set
> the ret variable and allow the function to continue which will later
> lead to a NULL pointer dereference. Fix it by returning -ENOMEM in the
> case ext4_alloc_sbi() fails.
> 
> 
> [...]

Applied, thanks!

[1/1] ext4: fix potential NULL pointer dereference in ext4_fill_super()
      commit: 7c6bb3d664aa05bf4366fd79a13921acfca28a6d

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