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more strict check in rioConnRead (#7564)

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zhaozhao.zz 2020-07-24 14:40:19 +08:00 committed by GitHub
parent 49d4aebce0
commit f4e2525c86
1 changed files with 1 additions and 1 deletions
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src/rio.c
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@ -201,7 +201,7 @@ static size_t rioConnRead(rio *r, void *buf, size_t len) {
/* Make sure the caller didn't request to read past the limit. /* Make sure the caller didn't request to read past the limit.
* If they didn't we'll buffer till the limit, if they did, we'll * If they didn't we'll buffer till the limit, if they did, we'll
* return an error. */ * return an error. */
if (r->io.conn.read_limit >= r->io.conn.read_so_far + needs) if (r->io.conn.read_limit >= r->io.conn.read_so_far + len)
toread = r->io.conn.read_limit - r->io.conn.read_so_far - buffered; toread = r->io.conn.read_limit - r->io.conn.read_so_far - buffered;
else { else {
errno = EOVERFLOW; errno = EOVERFLOW;