linux-ext4 - [Bug 12371] oops in ext4_get_group

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Date:	Tue,  6 Jan 2009 11:05:15 -0800 (PST)
From:	bugme-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 12371] oops in ext4_get_group_desc

http://bugzilla.kernel.org/show_bug.cgi?id=12371


tytso@....edu changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |PATCH_ALREADY_AVAILABLE




------- Comment #3 from tytso@....edu  2009-01-06 11:05 -------
Thanks for reporting this.  A patch is already in the ext4 patch queue which
prevents this problem, and it will be pushed to Linus shortly:

ext4: Add sanity checks for the superblock before mounting the filesystem

With this patch applied, the mount will be refused and the kernel messages will
show:

EXT4-fs: groups count too large: 0 (block count 56857945295556608, first data
block 55808, blocks per group 16384)


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