Fix by Andreas Schwab in: https://sourceware.org/ml/libc-alpha/2014-06/msg00503.html * lib/regcomp.c (parse_reg_exp): Deallocate partially constructed tree before returning error. --- ChangeLog | 8 ++++++++ lib/regcomp.c | 6 +++++- 2 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog index 02c6676..0a7b82f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2014-07-11 Paul Eggert <egg...@cs.ucla.edu> + + regex: fix memory leak in compiler + Fix by Andreas Schwab in: + https://sourceware.org/ml/libc-alpha/2014-06/msg00503.html + * lib/regcomp.c (parse_reg_exp): Deallocate partially + constructed tree before returning error. + 2014-07-10 Assaf Gordon <assafgor...@gmail.com> announce-gen: avoid perl warnings diff --git a/lib/regcomp.c b/lib/regcomp.c index 16d0e21..44c6c5e 100644 --- a/lib/regcomp.c +++ b/lib/regcomp.c @@ -2199,7 +2199,11 @@ parse_reg_exp (re_string_t *regexp, regex_t *preg, re_token_t *token, { branch = parse_branch (regexp, preg, token, syntax, nest, err); if (BE (*err != REG_NOERROR && branch == NULL, 0)) - return NULL; + { + if (tree != NULL) + postorder (tree, free_tree, NULL); + return NULL; + } } else branch = NULL; -- 1.9.3
