Data Race on gIsNewDatabase in RCNConfigDBManager (FirebaseRemoteConfig)

[dooublemint]

Description

Hello Firebase team,

I'm encountering a data race warning when using FirebaseRemoteConfig. The issue is related to a global variable gIsNewDatabase being accessed from multiple threads without synchronization.

Details:
SDK: firebase-ios-sdk
Module: FirebaseRemoteConfig
File: RCNConfigDBManager.m
Line: 1222 (and method - (BOOL)isNewDatabase)
Detected using: Thread Sanitizer (Xcode)

Reproducing the issue

No response

Firebase SDK Version

11.11.0

Xcode Version

16.1

Installation Method

Swift Package Manager

Firebase Product(s)

Analytics, Remote Config, Crashlytics, AB Testing

Targeted Platforms

iOS

Relevant Log Output

'gIsNewDatabase' is a global variable (0x1049a7f48)
/Users/admin/Library/Developer/Xcode/DerivedData/myProject-.../FirebaseRemoteConfig/Sources/RCNConfigDBManager.m:1222
Data race in -[RCNConfigDBManager isNewDatabase] at gIsNewDatabase

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[google-oss-bot]

I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.

[rizafran]

Thanks for the report, @dooublemint. Could you provide the reproducing steps on how you encounter the issue?