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tftp: don't pin or check address if recvfrom returns error

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Follow-up to c4f9977c66
Reported-by: Joshua Rogers
Closes #18892
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Daniel Stenberg 2025-10-06 17:23:18 +02:00
parent 1a3a5cb720
commit f1ed50a517
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1 changed files with 1 additions and 1 deletions
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lib/tftp.c
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@ -1105,7 +1105,7 @@ static CURLcode tftp_receive_packet(struct Curl_easy *data,
0,
(struct sockaddr *)&remote_addr,
&fromlen);
if(fromlen) {
if((state->rbytes >= 0) && fromlen) {
if(state->remote_pinned) {
/* pinned, verify that it comes from the same address */
if((state->remote_addrlen != fromlen) ||