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Merge branch 'js/regexec-buf'

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Fix for potential segv introduced in v2.11.0 and later (also
v2.10.2).

* js/regexec-buf:
  pickaxe: fix segfault with '-S<...> --pickaxe-regex'
This commit is contained in:
Junio C Hamano
2017-03-24 13:07:35 -07:00
parent 6756b58ebc f53c5de29c
commit 0efeb5ca12
2 changed files with 10 additions and 2 deletions
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7
diffcore-pickaxe.c
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@ -81,12 +81,15 @@ static unsigned int contains(mmfile_t *mf, regex_t *regexp, kwset_t kws)
regmatch_t regmatch;
int flags = 0;
while (*data &&
while (sz && *data &&
!regexec_buf(regexp, data, sz, 1, &regmatch, flags)) {
flags |= REG_NOTBOL;
data += regmatch.rm_eo;
if (*data && regmatch.rm_so == regmatch.rm_eo)
sz -= regmatch.rm_eo;
if (sz && *data && regmatch.rm_so == regmatch.rm_eo) {
data++;
sz--;
}
cnt++;
}