Sdwebimage: CFDictionaryGetValue EXC_BAD_ACCESS KERN_INVALID_ADDRESS

[Robot2037]

New Issue Checklist

• [x] I have read and understood the CONTRIBUTING guide
• [x] I have read the Documentation
• [x] I have searched for a similar issue in the project and found none

Issue Info

Info | Value |
-------------------------|-------------------------------------|
Platform Name | iOS
Platform Version | 13.5.0 to 14.1.0
SDWebImage Version | 5.9.4
Integration Method | cocoapods
Xcode Version | Xcode 12.1
Repro rate | 70%
Repro with our demo prj | ?
Demo project link | ?

Issue Description and Steps

Hello,
we recently released new version of our application and suddenly new crash began to appear. Our crash-free users dropped to 75% because of this problem and I don't know what to do. Log from Firebase was not very helpful at first. Then I was able to reproduce issue in Xcode which leads me to SDWebImage. Please see attached screenshots.

In our application we display many images in galleries using SDWebImage or pre-download images for offline use.
I can reproduce this crash almost consistently when downloading lots of images using SDWebImage, e.g. like this:

SDWebImageManager.shared.loadImage(with: url, options: SDWebImageOptions(), progress: nil) { (image, data, error, cacheType, finished, imageUrl) in
    #if DEBUG
    print("Downloaded image: \(finished) - \(url)")
    #endif
}

Bellow is attached crash log.

crashlog.crash.zip

Any help is appreciated.
Thanks in advance!

[Robot2037]

Don't mind.
I found problem was caused by FirebasePerformance at first place, which later caused crash while downloading images using SDWebImage. More informations about this issue is here:

https://github.com/firebase/firebase-ios-sdk/issues/6734

You can close this issue. Thank you.

[dreampiggy]

😢 Sorry for delay reply. I'm working on daily job and forgot this issue.

Does that FirebasePerformance the root case cause this ? Upgrade to new version solve this issue ?

[Robot2037]

Yes. Problem is in library FirebasePerformance 7.0.0. I upgraded to version 7.0.1, which fixed the issue. I wasn't able to reproduce the crash no longer. I uploaded application update and waiting for Apple review at the moment. Once the update is released, I can confirm issue is fixed for real.

[Robot2037]

Alright, application update was released and issue has gone. It was caused by FirebasePerformance, as stated above. I'm closing this issue. Thanks and sorry for misunderstanding.

[parthbarot10]

I'm updating Firebase/Performance Pod by specifying version 7.0.1 it gives me this,
$ pod install --repo-update

[!] CocoaPods could not find compatible versions for pod "Firebase/Performance":
In Podfile:
Firebase/Performance (= 7.0.1)

None of your spec sources contain a spec satisfying the dependency: Firebase/Performance (= 7.0.1).

You have either:

• mistyped the name or version.
• not added the source repo that hosts the Podspec to your Podfile.

And when I do pod update it installs 6.34.0 version. So how to update to 7.0.1 ?
I also tried by removing / (Slash) it also installs 6.34.0 version but it updates FirebasePerformance (3.3.1) to FirebasePerformance (3.3.2), does it fix crash ?

[Robot2037]

They already released version 7.1.0: https://firebase.google.com/support/release-notes/ios
If you use version 6.34.0, then you are fine, because crash appeared in version 7.0.0 only. They did many changes in 7.0.0, according to changelog.