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SUSE:SLE-15-SP4:GA
ldns.22721
bsc_1068709.patch
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File bsc_1068709.patch of Package ldns.22721
commit 3bdeed02505c9bbacb3b64a97ddcb1de967153b7 Author: Willem Toorop <willem@nlnetlabs.nl> Date: Thu Apr 27 00:25:20 2017 +0200 bugfix #1257: Free after reallocing to 0 size Thanks Stephan Zeisberg diff --git a/str2host.c b/str2host.c index b274b17a..f2a317be 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) {
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