lzo: properly check for overruns

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commit 206a81c184 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>

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Greg Kroah-Hartman 2014-06-20 22:00:53 -07:00

parent 5999ec53f6

commit 0cd8f4b67f

1 changed files with 41 additions and 21 deletions

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lib/lzo/lzo1x_decompress_safe.c

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