From: Guus Sliepen <guus@tinc-vpn.org>
Date: Sat, 27 Jun 2026 21:38:49 +0000 (+0200)
Subject: Correctly account for offset when decmpressing packets
X-Git-Url: https://www.tinc-vpn.org/git/?a=commitdiff_plain;h=refs%2Fheads%2F1.1;p=tinc

Correctly account for offset when decmpressing packets
---

diff --git a/src/net_packet.c b/src/net_packet.c
index b9edd6c4..fa82d78f 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -1108,7 +1108,7 @@ bool receive_sptps_record(void *handle, uint8_t type, const void *data, uint16_t
 	int offset = (type & PKT_MAC) ? 0 : 14;
 
 	if(type & PKT_COMPRESSED) {
-		length_t ulen = uncompress_packet(DATA(&inpkt) + offset, MAXSIZE - inpkt.offset, (const uint8_t *)data, len, from->incompression);
+		length_t ulen = uncompress_packet(DATA(&inpkt) + offset, MAXSIZE - inpkt.offset - offset, (const uint8_t *)data, len, from->incompression);
 
 		if(!ulen) {
 			return false;