Fix crash #3274 in Unit::HandleDummyAuraProc

src/server/game/Entities/Unit/Unit.cpp

@@ -5766,6 +5766,8 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
                 // Blessing of Ancient Kings (Val'anyr, Hammer of Ancient Kings)
                 case 64411:
                 {
+                    if(!victim)
+                        return false;
                     basepoints0 = int32(CalculatePctN(damage, 15));
                     if (AuraEffect* aurEff = victim->GetAuraEffect(64413, 0, GetGUID()))
                     {
@@ -6065,6 +6067,9 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
             // Divine Aegis
             if (dummySpell->SpellIconID == 2820)
             {
+                if(!target)
+                    return false;
+
                 // Multiple effects stack, so let's try to find this aura.
                 int32 bonus = 0;
                 if (AuraEffect const* aurEff = target->GetAuraEffect(47753, 0))
@@ -6528,6 +6533,8 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
                     // Explosive Shot
                     if (procSpell->SpellFamilyFlags[2] & 0x200)
                     {
+                        if(!victim)
+                            return false;
                         if (AuraEffect const* pEff = victim->GetAuraEffect(SPELL_AURA_PERIODIC_DUMMY, SPELLFAMILY_HUNTER, 0x0, 0x80000000, 0x0, GetGUID()))
                             basepoints0 = pEff->GetSpellInfo()->CalcPowerCost(this, SpellSchoolMask(pEff->GetSpellInfo()->SchoolMask)) * 4/10/3;
                     }
@@ -7224,6 +7231,8 @@ bool Unit::HandleDummyAuraProc(Unit* victim, uint32 damage, AuraEffect* triggere
                 // Item - Shaman T10 Elemental 4P Bonus
                 case 70817:
                 {
+                    if(!target)
+                        return false;
                     // try to find spell Flame Shock on the target
                     if (AuraEffect const* aurEff = target->GetAuraEffect(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_SHAMAN, 0x10000000, 0x0, 0x0, GetGUID()))
                     {