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- Subject: Work around glibc/regex/msan bug regexec returns 0 but does initialize pmatch
- Origin: FILE5_30-41-g393dafa4
- Upstream-Author: Christos Zoulas <christos@zoulas.com>
- Date: Fri Apr 7 20:10:24 2017 +0000
- Found by oss-fuzz.
- --- a/src/funcs.c
- +++ b/src/funcs.c
- @@ -509,6 +509,8 @@
- regmatch_t* pmatch, int eflags)
- {
- assert(rx->rc == 0);
- + /* XXX: force initialization because glibc does not always do this */
- + memset(pmatch, 0, nmatch * sizeof(*pmatch));
- return regexec(&rx->rx, str, nmatch, pmatch, eflags);
- }
-
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