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[lldb] Make sure there's a value for the key before dereferencing. 

Make sure there's a value for the shared_cache_base_address key exists
in the dictionary before trying to dereference the value.

rdar://76894476
This commit is contained in:
Jonas Devlieghere 2021-09-08 13:44:24 -07:00
parent f4726e7238
commit d1d4f36556
1 changed files with 6 additions and 2 deletions
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8
lldb/source/Plugins/LanguageRuntime/ObjC/AppleObjCRuntime/AppleObjCRuntimeV2.cpp
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@ -2188,8 +2188,12 @@ lldb::addr_t AppleObjCRuntimeV2::GetSharedCacheBaseAddress() {
if (!info_dict) if (!info_dict)
return LLDB_INVALID_ADDRESS; return LLDB_INVALID_ADDRESS;
return info_dict->GetValueForKey("shared_cache_base_address") StructuredData::ObjectSP value =
->GetIntegerValue(LLDB_INVALID_ADDRESS); info_dict->GetValueForKey("shared_cache_base_address");
if (!value)
return LLDB_INVALID_ADDRESS;
return value->GetIntegerValue(LLDB_INVALID_ADDRESS);
} }
void AppleObjCRuntimeV2::UpdateISAToDescriptorMapIfNeeded() { void AppleObjCRuntimeV2::UpdateISAToDescriptorMapIfNeeded() {