File xfsdump-3.0.1-fix-bufferoverflow.diff of Package xfsdump

Index: xfsdump-3.0.1/common/path.c
===================================================================
--- xfsdump-3.0.1.orig/common/path.c
+++ xfsdump-3.0.1/common/path.c
@@ -283,11 +283,15 @@ pa_gen( pa_t *pap )
 
 	sz = 0;
 	for ( i = 0 ; i < pap->pa_cnt ; i++ ) {
 		sz += strlen( pap->pa_array[ i ] ) + 1;
 	}
-	sz++;
+	sz++; /* '\0' */
+	/* if pa_cnt == 0, then we need '/' + '\0' */
+	if ( pap->pa_cnt <= 0 ) {
+		sz++;
+	}
 
 	retp = ( char * )malloc( sz );
 
 	if (  pap->pa_cnt <= 0 ) {
 		ASSERT(  pap->pa_cnt == 0 );