From: Mike Christie <michaelc@xxxxxxxxxxx> While performing tests that caused paths to get added and deleted, we hit a segfault. We traced it to the vector struct being NULL. This patch fixes the problem by checking for a NULL vector before accessing it. Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx> --- libmultipath/vector.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libmultipath/vector.c b/libmultipath/vector.c index 652f118..0564224 100644 --- a/libmultipath/vector.c +++ b/libmultipath/vector.c @@ -94,6 +94,9 @@ find_slot(vector v, void * addr) { int i; + if (!v) + return -1; + for (i = 0; i < (v->allocated / VECTOR_DEFAULT_SIZE); i++) if (v->slot[i] == addr) return i; -- 1.7.11.2 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel