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libexpr: Fix read out-of-bound on the heap

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Signed-off-by: Pamplemousse <xav.maso@gmail.com>
This commit is contained in:
Pamplemousse 2021-07-13 14:23:24 -07:00
parent 9cf991f421
commit 99f8fc995b
1 changed files with 4 additions and 2 deletions
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6
src/libexpr/lexer.l
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@ -38,11 +38,13 @@ static void adjustLoc(YYLTYPE * loc, const char * s, size_t len)
loc->first_line = loc->last_line;
loc->first_column = loc->last_column;
while (len--) {
for (size_t i = 0; i < len; i++) {
switch (*s++) {
case '\r':
if (*s == '\n') /* cr/lf */
if (*s == '\n') { /* cr/lf */
i++;
s++;
}
/* fall through */
case '\n':
++loc->last_line;