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Avoid overflow in SStream.c (#1381)

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Catena cyber 2019-02-15 01:18:31 +01:00 committed by Nguyen Anh Quynh
parent 74c49acd3a
commit 3d25925cb2
1 changed files with 3 additions and 0 deletions
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3
SStream.c
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@ -45,6 +45,9 @@ void SStream_concat(SStream *ss, const char *fmt, ...)
va_list ap;
int ret;
if (ss->index >= sizeof(ss->buffer)) {
return;
}
va_start(ap, fmt);
ret = cs_vsnprintf(ss->buffer + ss->index, sizeof(ss->buffer) - (ss->index + 1), fmt, ap);
va_end(ap);