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fix buffer overflow + duplicate fds inside fd_set

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11soda11 2026-07-29 00:26:03 +02:00
parent f89318e65c
commit 8266ff2354
1 changed files with 3 additions and 2 deletions
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5
src/tool_doswin.c
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@ -759,10 +759,11 @@ static int swrite_blocking_on_nonblock(curl_socket_t nonblock_sock,
FD_ZERO(&fdwrite);
FD_ZERO(&fdexcep);
FD_SET(nonblock_sock, &fdwrite);
do {
ssize_t ret;
FD_SET(nonblock_sock, &fdwrite);
FD_SET(nonblock_sock, &fdexcep);
if(select(0, NULL, &fdwrite, &fdexcep, NULL) <= 0) {
@ -797,7 +798,7 @@ static int read_auth_val(curl_socket_t sock, uint64_t* buf)
size_t nread = 0;
do {
ssize_t ret = sread(sock, buf + nread, sizeof(*buf) - nread);
ssize_t ret = sread(sock, (unsigned char*)buf + nread, sizeof(*buf) - nread);
if(ret <= 0) {
if(!ret)
errorf("stdin relay peer disconnected");