Re: [PATCH 6/7] ecryptfs: fix out-of-bounds read of key payload

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On Thu, 28 Sep 2017, Eric Biggers wrote:

> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> eCryptfs blindly casts the user-supplied key payload to a
> 'struct ecryptfs_auth_tok' without validating that the payload does, in
> fact, have the size of a 'struct ecryptfs_auth_tok'.  Fix it.
> Fixes: 237fead61998 ("[PATCH] ecryptfs: fs/Makefile and fs/Kconfig")
> Cc: <stable@xxxxxxxxxxxxxxx>    [v2.6.19+]
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>

Reviewed-by: James Morris <james.l.morris@xxxxxxxxxx>

James Morris

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