linux-ext4 - [Bug 199183] Invalid pointer dereference in ext4_xattr_inode_hash when mounting and later operating on a crafted image

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Message-ID: <bug-199183-13602-E7glGDyKIJ@https.bugzilla.kernel.org/>
Date:   Sat, 28 Apr 2018 21:35:53 +0000
From:   bugzilla-daemon@...zilla.kernel.org
To:     linux-ext4@...nel.org
Subject: [Bug 199183] Invalid pointer dereference in ext4_xattr_inode_hash
 when mounting and later operating on a crafted image

https://bugzilla.kernel.org/show_bug.cgi?id=199183

Vitalio (vt@...linux.org) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |vt@...linux.org

--- Comment #7 from Vitalio (vt@...linux.org) ---
Theodore, your patch
0001-ext4-always-initialize-the-crc32c-checksum-driver.patch (which is
v4.16-rc1-18-ga45403b51582) introduces strong dependency on having crc32c
modules preloaded before ext4, otherwise it's goto failed_mount. This
dependency is invisible for modinfo/depmod, thus some dependency resolvers for
initrd fail to properly adjust crc32c modules for boot.

Is it intentional or could be fixed?

Thanks,

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