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(parent: 7d13750) | patch
lzo: properly check for overruns
authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sat, 21 Jun 2014 05:00:53 +0000 (22:00 -0700)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 11 Jul 2014 12:33:54 +0000 (13:33 +0100)
commita8a2fdd030095e0dedb38c1c8dbbadb24ad89a6a
treefe46acacf4d50bdd2332a83c58f47f8bb5955409tree | snapshot
parent7d137504362a946bae295ff8cba7bbe50961a5e9commit | diff
lzo: properly check for overruns

commit 206a81c18401c0cde6e579164f752c4b147324ce upstream.

The lzo decompressor can, if given some really crazy data, possibly
overrun some variable types.  Modify the checking logic to properly
detect overruns before they happen.

Reported-by: "Don A. Bailey" <donb@securitymouse.com>
Tested-by: "Don A. Bailey" <donb@securitymouse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
lib/lzo/lzo1x_decompress_safe.c diff | blob | history
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