From fd57fc716231c8296d340fdb4c0f6eac176f7f7c Mon Sep 17 00:00:00 2001

From: Florian Festi <ffesti@redhat.com>

Date: Fri, 20 Aug 2021 15:14:16 +0200

Subject: [PATCH] Don't segfault on missing priority tag

Resolves: #1636

Related: #1638

---

 lib/rpmtriggers.c | 7 +++++--

 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/lib/rpmtriggers.c b/lib/rpmtriggers.c

index fc809a65e..d541974e8 100644

--- a/lib/rpmtriggers.c

+++ b/lib/rpmtriggers.c

@@ -517,7 +517,8 @@ rpmRC runFileTriggers(rpmts ts, rpmte te, rpmsenseFlags sense,

 	if (matchFunc(ts, te, pfx, sense)) {

 	    for (i = 0; i < rpmdbIndexIteratorNumPkgs(ii); i++) {

 		struct rpmtd_s priorities;

-		unsigned int priority;

+		unsigned int priority = 0;

+		unsigned int *priority_ptr;

 		unsigned int offset = rpmdbIndexIteratorPkgOffset(ii, i);

 		unsigned int tix = rpmdbIndexIteratorTagNum(ii, i);

@@ -535,7 +536,9 @@ rpmRC runFileTriggers(rpmts ts, rpmte te, rpmsenseFlags sense,

 		trigH = rpmdbGetHeaderAt(rpmtsGetRdb(ts), offset);

 		headerGet(trigH, priorityTag, &priorities, HEADERGET_MINMEM);

 		rpmtdSetIndex(&priorities, tix);

-		priority = *rpmtdGetUint32(&priorities);

+		priority_ptr = rpmtdGetUint32(&priorities);

+		if (priority_ptr)

+		    priority = *priority_ptr;

 		headerFree(trigH);

 		/* Store file trigger in array */

-- 

2.45.1