Added lower bound to Total length

gaurav2699 · gaurav2699 · commit 0aab7e8e0098 · 2026-07-13T18:13:56.000+05:30
diff --git a/src/platform/datapath_raw_socket.c b/src/platform/datapath_raw_socket.c
@@ -300,7 +300,7 @@ CxPlatDpRawParseIPv4(
     }
 
     uint16_t IPTotalLength = CxPlatByteSwapUint16(IP->TotalLength);
-    if (Length < IPTotalLength) {
+    if (IPTotalLength < sizeof(IPV4_HEADER) || Length < IPTotalLength) {
         QuicTraceEvent(
             DatapathErrorStatus,
             "[data][%p] ERROR, %u, %s.",

Original file line number	Diff line number	Diff line change
`@@ -300,7 +300,7 @@ CxPlatDpRawParseIPv4(`
`300`	`300`	`}`
`301`	`301`
`302`	`302`	`uint16_t IPTotalLength = CxPlatByteSwapUint16(IP->TotalLength);`
`303`		`- if (Length < IPTotalLength) {`
	`303`	`+ if (IPTotalLength < sizeof(IPV4_HEADER) \|\| Length < IPTotalLength) {`
`304`	`304`	`QuicTraceEvent(`
`305`	`305`	`DatapathErrorStatus,`
`306`	`306`	`"[data][%p] ERROR, %u, %s.",`