From 8ce21268a1723738aaded551812d71e5ec29c707 Mon Sep 17 00:00:00 2001
From: Andrey Kleshchev <andreykproductengine@lindenlab.com>
Date: Wed, 28 Apr 2021 19:46:56 +0300
Subject: SL-15181 Crash at LLSkinningUtil::initSkinningMatrixPalette

---
 indra/newview/llskinningutil.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'indra')

diff --git a/indra/newview/llskinningutil.cpp b/indra/newview/llskinningutil.cpp
index f325315933..e02b21f036 100644
--- a/indra/newview/llskinningutil.cpp
+++ b/indra/newview/llskinningutil.cpp
@@ -131,7 +131,12 @@ void LLSkinningUtil::initSkinningMatrixPalette(
     initJointNums(const_cast<LLMeshSkinInfo*>(skin), avatar);
     for (U32 j = 0; j < count; ++j)
     {
-        LLJoint *joint = avatar->getJoint(skin->mJointNums[j]);
+        S32 joint_num = skin->mJointNums[j];
+        LLJoint *joint = NULL;
+        if (joint_num >= 0 && joint_num < LL_CHARACTER_MAX_ANIMATED_JOINTS)
+        {
+            joint = avatar->getJoint(joint_num);
+        }
         llassert(joint);
         if (joint)
         {
-- 
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