Ignoring packet padding for IPv4 capture (#21)

2026-09-02 12:59:04 +00:00 · 2026-01-18 19:04:28 +02:00
parent 80b740827f
commit 1a6ce6b056
2 changed files with 34 additions and 10 deletions
@@ -195,6 +195,8 @@ func (pc *PacketBreakdown) CaptureIPv4(dst []Frame, pkt []byte, bitOffset int) (
 	if pc.validator().HasError() {
 		return dst, pc.validator().ErrPop()
 	}
+	// limit packet to the actual IPv4 frame size
+	pkt = pkt[:bitOffset/8+int(ifrm4.TotalLength())]
 	finfo := Frame{
 		Protocol:        ethernet.TypeIPv4,
 		PacketBitOffset: bitOffset,