tree 8b1676ccf4edfd5b5b191fc9b248fbebfad131f8
parent 6df87cf1d4b7c0c490ab1803b863de10579df92e
author Herbert Xu <herbert@gondor.apana.org.au> 1412209566 +0800
committer Herbert Xu <herbert@gondor.apana.org.au> 1412209566 +0800

[EVAL] Fix use-after-free in dotrap/evalstring

The function dotrap calls evalstring using the stored trap string.
If evalstring then unsets that exact trap string then we will end
up using freed memory.

This patch fixes it by making evalstring always duplicate the string
before using it.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>