linux-ext4 - Re: [PATCH] e2fsprogs: add sanity check to extent manipulation

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Message-Id: <165115689135.440993.1403044617589707642.b4-ty@mit.edu>
Date:   Thu, 28 Apr 2022 10:43:40 -0400
From:   "Theodore Ts'o" <tytso@....edu>
To:     linux-ext4@...r.kernel.org, Lukas Czerner <lczerner@...hat.com>
Cc:     "Theodore Ts'o" <tytso@....edu>, Nils Bars <nils_bars@...nline.de>
Subject: Re: [PATCH] e2fsprogs: add sanity check to extent manipulation

On Thu, 21 Apr 2022 19:31:48 +0200, Lukas Czerner wrote:
> It is possible to have a corrupted extent tree in such a way that a leaf
> node contains zero extents in it. Currently if that happens and we try
> to traverse the tree we can end up accessing wrong data, or possibly
> even uninitialized memory. Make sure we don't do that.
> 
> Additionally make sure that we have a sane number of bytes passed to
> memmove() in ext2fs_extent_delete().
> 
> [...]

Applied, thanks!

[1/1] libext2fs: add sanity check to extent manipulation
      commit: ab51d587bb9b229b1fade1afd02e1574c1ba5c76

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