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- From 3bdeed02505c9bbacb3b64a97ddcb1de967153b7 Mon Sep 17 00:00:00 2001
- From: Willem Toorop <willem@nlnetlabs.nl>
- Date: Thu, 27 Apr 2017 00:25:20 +0200
- Subject: [PATCH] bugfix #1257: Free after reallocing to 0 size
-
- Thanks Stephan Zeisberg
- ---
- str2host.c | 6 ++++--
- 1 file changed, 4 insertions(+), 2 deletions(-)
-
- diff --git a/str2host.c b/str2host.c
- index b274b17..f2a317b 100644
- --- a/str2host.c
- +++ b/str2host.c
- @@ -1525,8 +1525,10 @@ ldns_str2rdf_long_str(ldns_rdf **rd, const char *str)
- if (! str) {
- return LDNS_STATUS_SYNTAX_BAD_ESCAPE;
- }
- - length = (size_t)(dp - data);
- -
- + if (!(length = (size_t)(dp - data))) {
- + LDNS_FREE(data);
- + return LDNS_STATUS_SYNTAX_EMPTY;
- + }
- /* Lose the overmeasure */
- data = LDNS_XREALLOC(dp = data, uint8_t, length);
- if (! data) {
- --
- 2.9.5
-
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