From 8ec9cfc81c3f8326a1c7ee5b795ef517cd48e6b4 Mon Sep 17 00:00:00 2001 From: yuxiaojun Date: Wed, 14 Jun 2023 11:23:24 +0800 Subject: [PATCH] Fix possible null pointer reference in ndb slot1 and slot2 may be NULL Signed-off-by: yuxiaojun --- lib/backend/ndb/rpmxdb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/backend/ndb/rpmxdb.c b/lib/backend/ndb/rpmxdb.c index 2c1f29842..d9c373cb0 100644 --- a/lib/backend/ndb/rpmxdb.c +++ b/lib/backend/ndb/rpmxdb.c @@ -755,7 +755,7 @@ static int moveblobstofront(rpmxdb xdb, struct xdb_slot *afterslot) if (slot2 == xdb->slots) slot2 = 0; } - if (slot1->pagecnt < slot2->pagecnt) { + if (slot1 && slot2 && slot1->pagecnt < slot2->pagecnt) { struct xdb_slot *tmp = slot1; slot1 = slot2; slot2 = tmp; -- 2.27.0