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authorWilliam Haddon <william@haddonthethird.net>2013-11-09 19:37:41 -0600
committerWilliam Haddon <william@haddonthethird.net>2013-11-09 19:37:41 -0600
commit3ad73e1344afa7812671d08456591b8cde952775 (patch)
tree7b9ef2059e453b639dde51f704ed754a045b2177 /toys/posix/nl.c
parentaa2b8abf8efff6da663382735faf519c131d5a68 (diff)
downloadtoybox-3ad73e1344afa7812671d08456591b8cde952775.tar.gz
grep doesn't allocate enough space
Grep miscalculates the amount of memory it needs to allocate when "converting strings to one big regex" when the -e flag is not specified. Since in this case "\|" is inserted between strings rather than "|", two extra bytes rather than one need to be provided for each string. I noticed this because it caused grep to seg-fault on musl when a regex of exactly seven characters is provided.
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