libmultipath: pgcmp(): compare number of paths

pathcmp() makes sure that all paths in pgp have a match in cpgp, but not vice-versa. Check the number of paths, too. Fixes: 90773ba ("libmultipath: resolve hash collisions in pgcmp()") Signed-off-by: Martin Wilck <[email protected]>
openSUSE · Nov 25, 2024 · 0ca2e61 · 0ca2e61
1 parent ec83f4b
commit 0ca2e61
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/libmultipath/configure.c b/libmultipath/configure.c
@@ -442,6 +442,7 @@ pgcmp (struct multipath * mpp, struct multipath * cmpp)
 
 		vector_foreach_slot (cmpp->pg, cpgp, j) {
 			if (pgp->id == cpgp->id &&
+			    VECTOR_SIZE(pgp->paths) == VECTOR_SIZE(cpgp->paths) &&
 			    !pathcmp(pgp, cpgp)) {
 				r = 0;
 				break;