Fenix: [Bug] "open link PB mode Fenix" and hit back, IllegalStateExceptionandroidx.fragment.app.FragmentManager in ensureExecReady, FragmentManager has been destroyed

Created on 13 Feb 2020  ·  31Comments  ·  Source: mozilla-mobile/fenix

6/3 UPDATE
There's a recent significant spike of this crash in Nightly starting May, 19:
https://sentry.prod.mozaws.net/operations/fenix-nightly/issues/6457309/

Various cases of this fixed before: https://github.com/mozilla-mobile/fenix/issues?q=is%3Aissue+FragmentManager+has+been+destroyed+is%3Aclosed

Steps to reproduce

  1. start Fenix
  2. switch into PB mode
  3. go to devices launcher
  4. open a PWA

Expected behavior

The PWA will be launched

Actual behavior

The PWA activity appears briefly, but then fenix crashes.

Logcat

02-13 10:18:37.498 22826 22899 W FirefoxAccountStateMachine: Got invalid event Event$Init for state AuthenticatedWithProfile.
02-13 10:18:37.524  1929  3234 I InputDispatcher: Focus entered window: Window{e806487 u0 org.mozilla.fenix.nightly/org.mozilla.fenix.customtabs.ExternalAppBrowserActivity}
02-13 10:18:37.530  1929  3234 I ActivityManager: Displayed org.mozilla.fenix.nightly/org.mozilla.fenix.customtabs.ExternalAppBrowserActivity: +333ms (total +608ms)
02-13 10:18:37.531  1929  3234 I ActivityManager: Fully drawn org.mozilla.fenix.nightly/org.mozilla.fenix.customtabs.ExternalAppBrowserActivity: +333ms (total +608ms)
02-13 10:18:37.551 22826 22826 D GeckoSession: handleMessage GeckoView:PageStart uri=about:blank
02-13 10:18:37.555 22826 22826 D GeckoSession: handleMessage GeckoView:LocationChange uri=about:blank
02-13 10:18:37.555 22826 22826 D GeckoSession: handleMessage GeckoView:PageStop uri=null
02-13 10:18:37.556 22826 22826 D GeckoSession: handleMessage GeckoView:OnLoadRequest uri=https://web.telegram.org/?utm_source=web_app_manifest
02-13 10:18:37.559 22826 22826 D GeckoSession: handleMessage GeckoView:OnLoadRequest uri=https://web.telegram.org/?utm_source=web_app_manifest
02-13 10:18:37.571 22826 22826 W GeckoEventDispatcher: No listener for GeckoView:AccessibilityEnabled
02-13 10:18:37.573 22826 25271 D SessionStorage/AutoSave: Saved state to disk [446ms]
02-13 10:18:37.577 22826 22885 D GeckoScreenOrientation: unlocking
02-13 10:18:37.696 22826 22899 W FirefoxAccountStateMachine: Got invalid event Event$Init for state AuthenticatedWithProfile.
02-13 10:18:37.711 22826 22826 W DecorView[]: The visibility of the navigation bar is low, color=ffffffff, hasLightNavBar=false
02-13 10:18:37.732  1929  3800 I InputDispatcher: Focus entered window: Window{7a586aa u0 org.mozilla.fenix.nightly/org.mozilla.fenix.customtabs.ExternalAppBrowserActivity}
02-13 10:18:37.752 22826 22826 D AndroidRuntime: Shutting down VM
02-13 10:18:37.753 22826 22826 E AndroidRuntime: FATAL EXCEPTION: main
02-13 10:18:37.753 22826 22826 E AndroidRuntime: Process: org.mozilla.fenix.nightly, PID: 22826
02-13 10:18:37.753 22826 22826 E AndroidRuntime: java.lang.IllegalStateException: FragmentManager has been destroyed
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at androidx.fragment.app.FragmentManager.ensureExecReady(FragmentManager.java:4)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:1)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at androidx.fragment.app.FragmentManager$4.run(FragmentManager.java:1)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at android.os.Handler.handleCallback(Handler.java:873)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at android.os.Handler.dispatchMessage(Handler.java:99)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at android.os.Looper.loop(Looper.java:280)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at android.app.ActivityThread.main(ActivityThread.java:6744)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at java.lang.reflect.Method.invoke(Native Method)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
02-13 10:18:37.753 22826 22826 E AndroidRuntime:    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
02-13 10:18:37.754 22826 22885 D GeckoScreenOrientation: unlocking

Device information

  • Android device: SONY Xperia 10 Android 9
  • Fenix version: Nightly 2002112 18:00 (Build #20431806) 32.0.0, 747da16b0
crash engverified ready help wanted 🐞 bug
Source
picture TitanNano

All 31 comments

I tried to reproduce this but for me the PWA opens and functions correctly. Can someone from QA try to reproduce this?

ValentinTimisica picture ValentinTimisica on 21 Feb 2020

I tried to reproduce this issue but without any success.
No crash is displayed using the PWA with Private Browsing.

Devices:

  • Samsung Galaxy S8 (Android 9);
  • OnePlus 6T (Android 9);
  • Google Pixel 3a (Android 9).

Build: Firefox Preview Nightly 2/21 #20520606.

sv-sdeiac picture sv-sdeiac on 21 Feb 2020

I also can no longer reproduce this.

TitanNano picture TitanNano on 25 Feb 2020

Closing as fixed

ekager picture ekager on 26 Feb 2020

Hi, Still reproducible on the latest Nightly Build #20570604 from 02/26 using the following devices:
• Huawei Mate 20 Lite (Android 8.1.0)
• Samsung Galaxy S7 (Android 7)
• OnePlus A3 (Android 6.0.1)
• LG Nexus 4 (Android 5.1.1)

❗ Not reproducible on Google Pixel 3a (Android 9)

► Video
20200226-113451 (1)

► Crashlog

  --------- beginning of crash
2020-02-26 11:35:06.682 29357-29357/? E/AndroidRuntime: FATAL EXCEPTION: main
    Process: org.mozilla.fenix.nightly, PID: 29357
    java.lang.RuntimeException: Unable to resume activity {org.mozilla.fenix.nightly/org.mozilla.fenix.nightly.App}: java.lang.RuntimeException: Failed to call observer method
        at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4278)
        at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4319)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2065)
        at android.os.Handler.dispatchMessage(Handler.java:109)
        at android.os.Looper.loop(Looper.java:166)
        at android.app.ActivityThread.main(ActivityThread.java:7555)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:469)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:963)
     Caused by: java.lang.RuntimeException: Failed to call observer method
        at androidx.lifecycle.ClassesInfoCache$MethodReference.invokeCallback(ClassesInfoCache.java:6)
        at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeMethodsForEvent(ClassesInfoCache.java:2)
        at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeCallbacks(ClassesInfoCache.java:1)
        at androidx.lifecycle.ReflectiveGenericLifecycleObserver.onStateChanged(ReflectiveGenericLifecycleObserver.java:1)
        at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.java:3)
        at androidx.lifecycle.LifecycleRegistry.forwardPass(LifecycleRegistry.java:9)
        at androidx.lifecycle.LifecycleRegistry.sync(LifecycleRegistry.java:12)
        at androidx.lifecycle.LifecycleRegistry.moveToState(LifecycleRegistry.java:5)
        at androidx.lifecycle.LifecycleRegistry.handleLifecycleEvent(LifecycleRegistry.java:2)
        at androidx.fragment.app.Fragment.performStart(Fragment.java:7)
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:108)
        at androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java:4)
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:218)
        at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3)
        at androidx.fragment.app.Fragment.performStart(Fragment.java:14)
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:108)
        at androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java:4)
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:218)
        at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3)
        at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:18)
        at androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:1)
        at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1340)
        at android.app.Activity.performStart(Activity.java:7364)
        at android.app.Activity.performRestart(Activity.java:7439)
        at android.app.Activity.performResume(Activity.java:7444)
        at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4246)
        at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4319) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2065) 
        at android.os.Handler.dispatchMessage(Handler.java:109) 
        at android.os.Looper.loop(Looper.java:166) 
        at android.app.ActivityThread.main(ActivityThread.java:7555) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:469) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:963) 
     Caused by: java.lang.IllegalStateException: SET SESSION: Current activity: HomeActivity Other activity: ExternalAppBrowserActivity
        at mozilla.components.browser.engine.gecko.GeckoEngineView.render(GeckoEngineView.kt:17)
        at mozilla.components.feature.session.EngineViewPresenter.renderSession$feature_session_release(EngineViewPresenter.kt:1)
        at mozilla.components.feature.session.SessionFeature.start(SessionFeature.kt:6)
        at mozilla.components.support.base.feature.ViewBoundFeatureWrapper.start$support_base_release(ViewBoundFeatureWrapper.kt:1)
        at mozilla.components.support.base.feature.LifecycleBinding.start(ViewBoundFeatureWrapper.kt:1)
        at java.lang.reflect.Method.invoke(Native Method)
        at androidx.lifecycle.ClassesInfoCache$MethodReference.invokeCallback(ClassesInfoCache.java:4)
        at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeMethodsForEvent(ClassesInfoCache.java:2) 
        at androidx.lifecycle.ClassesInfoCache$CallbackInfo.invokeCallbacks(ClassesInfoCache.java:1) 
        at androidx.lifecycle.ReflectiveGenericLifecycleObserver.onStateChanged(ReflectiveGenericLifecycleObserver.java:1) 
        at androidx.lifecycle.LifecycleRegistry$ObserverWithState.dispatchEvent(LifecycleRegistry.java:3) 
        at androidx.lifecycle.LifecycleRegistry.forwardPass(LifecycleRegistry.java:9) 
        at androidx.lifecycle.LifecycleRegistry.sync(LifecycleRegistry.java:12) 
        at androidx.lifecycle.LifecycleRegistry.moveToState(LifecycleRegistry.java:5) 
        at androidx.lifecycle.LifecycleRegistry.handleLifecycleEvent(LifecycleRegistry.java:2) 
        at androidx.fragment.app.Fragment.performStart(Fragment.java:7) 
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:108) 
        at androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java:4) 
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:218) 
        at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3) 
        at androidx.fragment.app.Fragment.performStart(Fragment.java:14) 
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:108) 
        at androidx.fragment.app.FragmentManager.moveFragmentToExpectedState(FragmentManager.java:4) 
        at androidx.fragment.app.FragmentManager.moveToState(FragmentManager.java:218) 
        at androidx.fragment.app.FragmentManager.dispatchStateChange(FragmentManager.java:3) 
        at androidx.fragment.app.FragmentActivity.onStart(FragmentActivity.java:18) 
        at androidx.appcompat.app.AppCompatActivity.onStart(AppCompatActivity.java:1) 
        at android.app.Instrumentation.callActivityOnStart(Instrumentation.java:1340) 
        at android.app.Activity.performStart(Activity.java:7364) 
        at android.app.Activity.performRestart(Activity.java:7439) 
        at android.app.Activity.performResume(Activity.java:7444) 
        at android.app.ActivityThread.performResumeActivity(ActivityThread.java:4246) 
        at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:4319) 
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2065) 
        at android.os.Handler.dispatchMessage(Handler.java:109) 
        at android.os.Looper.loop(Looper.java:166) 
        at android.app.ActivityThread.main(ActivityThread.java:7555) 
        at java.lang.reflect.Method.invoke(Native Method) 
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:469) 
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:963) 
     Caused by: java.lang.IllegalStateException: Display already acquired
        at org.mozilla.geckoview.GeckoSession.acquireDisplay(GeckoSession.java:5)
2020-02-26 11:35:06.682 29357-29357/? E/AndroidRuntime:     at org.mozilla.geckoview.GeckoView.setSession(GeckoView.java:7)
        at mozilla.components.browser.engine.gecko.GeckoEngineView.render(GeckoEngineView.kt:10)
            ... 39 more
2020-02-26 11:35:06.683 29357-29357/? I/mozac/CrashReporter: Received crash: UncaughtExceptionCrash(throwable=java.lang.RuntimeException: Unable to resume activity {org.mozilla.fenix.nightly/org.mozilla.fenix.nightly.App}: java.lang.RuntimeException: Failed to call observer method, breadcrumbs=[Breadcrumb(message=Changing to fragment homeFragment, isCustomTab: false, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:34:40 GMT+02:00 2020), Breadcrumb(message=Changing to fragment settingsFragment, isCustomTab: false, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:34:43 GMT+02:00 2020), Breadcrumb(message=Changing to fragment privateBrowsingFragment, isCustomTab: false, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:34:44 GMT+02:00 2020), Breadcrumb(message=Changing to fragment settingsFragment, isCustomTab: false, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:34:54 GMT+02:00 2020), Breadcrumb(message=Changing to fragment homeFragment, isCustomTab: false, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:34:55 GMT+02:00 2020), Breadcrumb(message=Changing to fragment externalAppBrowserFragment, isCustomTab: true, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:34:58 GMT+02:00 2020), Breadcrumb(message=Changing to fragment externalAppBrowserFragment, isCustomTab: true, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:35:06 GMT+02:00 2020), Breadcrumb(message=Changing to fragment browserFragment, isCustomTab: false, data={}, category=DestinationChanged, level=INFO, type=DEFAULT, date=Wed Feb 26 11:35:06 GMT+02:00 2020)])
2020-02-26 11:35:06.683 29357-29357/? I/mozac/CrashReporter: Showing prompt
AndiAJ picture AndiAJ on 26 Feb 2020

Thanks @AndiAJ ! Slightly different trace now but that's good info to keep looking into

ekager picture ekager on 26 Feb 2020
👍1

With the original STR I'm still seeing on my Pixel 3 (but only sometimes)

2020-04-17 17:00:54.708 18721-18721/org.mozilla.fenix.debug E/AndroidRuntime: FATAL EXCEPTION: main
Process: org.mozilla.fenix.debug, PID: 18721
java.lang.IllegalStateException: FragmentManager has been destroyed
at androidx.fragment.app.FragmentManager.ensureExecReady(FragmentManager.java:1783)
at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:1843)
at androidx.fragment.app.FragmentManager$4.run(FragmentManager.java:413)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)

ekager picture ekager on 18 Apr 2020

This seems to be related to one of the most common signatures we are seeing on Nightly. Crash in [@ java.lang.IllegalStateException: at androidx.fragment.app.FragmentManager.ensureExecReady(FragmentManager.java)] [bug 1641040](https://bugzilla.mozilla.org/show_bug.cgi?id=1641040)

kbrosnan picture kbrosnan on 27 May 2020
👍1

I'm going to dupe these to #10709, and I've moved STRs over bc these all have the same crash signature.

liuche picture liuche on 3 Jun 2020

My bad, this is not the same bug as #10709, will do some un-duping.

liuche picture liuche on 3 Jun 2020

This is currently our top crasher on Firefox Beta at 5% rollout: https://crash-stats.mozilla.org/topcrashers/?product=Fenix&version=77.0.0-b

and on Firefox Preview too, top crashes 1 & 2 with an uptick in the past few days:
https://sentry.prod.mozaws.net/operations/firefox-nightly/?query=release%3Aorg.mozilla.fenix-5.1.0&sort=priority&statsPeriod=14d

(crash-stats link for reference) https://crash-stats.mozilla.org/topcrashers/?product=Fenix&version=5.1.0-b

also updating the title to make this more searchable by crash signature.

liuche picture liuche on 3 Jun 2020

@grigoryk @NotWoods what do you think of this one?

st3fan picture st3fan on 3 Jun 2020

fwiw this is probably some kind of race, bc this STR has been around for a while, but has really spiked on Nightly as of May 19.

liuche picture liuche on 3 Jun 2020

From: https://www.reddit.com/r/firefox/comments/gvaru6/firefox_preview_nightly_still_crashing_on_samsung/

I have been running the Joey Reddit app as a standalone app and I will occasionally open a post externally in Firefox Preview Nightly to bookmark it. Then I hit the back button twice to go back to the Joey app and as soon as it goes back, I get the message that Firefox has crashed. I tried to duplicate the problem just now and I wasn't able to. It only occasionally happens.

kbrosnan picture kbrosnan on 3 Jun 2020

@ekager backx2? #10718

liuche picture liuche on 3 Jun 2020

@grigoryk if you're looking into this, might be related to app restarts when swapping themes (because Private Browsing is a separate theme and requires application recreate to apply).

Chatted w/ @boek and @ekager about one solution being, removing the PB theming and instead, dynamically setting UI colors for PB Mode.

liuche picture liuche on 4 Jun 2020

Yeah the backx2 issue was #10718 🤔

ekager picture ekager on 4 Jun 2020

@ekager this landed on the 18th and fits the STR https://github.com/mozilla-mobile/fenix/commit/d46369696f1d43385f335936f50abb31176845ef

st3fan picture st3fan on 4 Jun 2020

Yes, I'm convinced that the spike is related to https://github.com/mozilla-mobile/fenix/commit/d46369696f1d43385f335936f50abb31176845ef but think it is just exposing another pathway to an issue that already existed when finishing activities (ie the previous STR also involved "open in Fenix" which finishes an activity). There's clearly another root issue at play here - probably some race condition as the activity finishes, but for now we can revert the finish.

ekager picture ekager on 4 Jun 2020

I just repro-ed the crash on the original STR.

  1. Have Fenix open in PBM homescreen
  2. Background Fenix, Open PWA
  3. Click away from main PWA scope to get toolbar
  4. Select "Open in Fenix" from toolbar

Took me about 10-15 tries and then reproed a second time as well.

ekager picture ekager on 4 Jun 2020

@ekager does this still repro with the backout?

liuche picture liuche on 4 Jun 2020

A few things we decided to do here for this bug:

liuche picture liuche on 5 Jun 2020

I was able to reproduce the crash on OnePlus 5T (Android 9) on 6/5 Nightly build, with the following steps:

  1. Sign in with valid credentials, with an old account.
  2. Open several tabs (I had 10).
  3. Share all opened tabs to all the connected devices.

Fenix either crashes or displayed the "Unable to send RETRY" snackbar.
I wasn't able to reproduce the crash on Beta 77.0.0-beta.2 (beta 5.1.1).

https://crash-stats.mozilla.org/report/index/4e6c3a43-8992-4286-bed1-701680200605

logcat.txt

softvision-miralobontiu picture softvision-miralobontiu on 5 Jun 2020

I just repro-ed the crash on the original STR.

  1. Have Fenix open in PBM homescreen
  2. Background Fenix, Open PWA
  3. Click away from main PWA scope to get toolbar
  4. Select "Open in Fenix" from toolbar

Took me about 10-15 tries and then reproed a second time as well.

I got an ANR error with these steps on 77.0.0-beta2.
logANR.txt

sv-ohorvath picture sv-ohorvath on 5 Jun 2020

@softvision-miralobontiu I think this might be a different bug, but is also fragmentmanager related.

Stack trace here specifically is java.lang.IllegalStateException: FragmentManager has been destroyed androidx.fragment.app.FragmentManager.ensureExecReady(FragmentManager.java:4) androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:1)

liuche picture liuche on 5 Jun 2020

Okay, here's some really consistent STR for me, at least 1/5 times.

Have open links in Private Browsing turned on
Open a link from another app (like from gmail)
Click back immediately (which will close PB mode bc it's the last tab)

The crash seems to happen when the PB system icon goes away.

liuche picture liuche on 11 Jun 2020
👍1

@liuche with those step, I can repro on Nightly ~1/5 times, but I'm seeing a native crash (id bc606679-2815-41ea-9c81-e0b87e3809fb) , not this FragmentManager trace :/

ekager picture ekager on 18 Jun 2020

I also just repro-ed this on the most recent Nightly, and I'm also getting a native crash, here's the socorro link: https://crash-stats.mozilla.org/report/index/c2d90164-a401-4802-bd6d-7658f0200618

Not sure why it changed.

It also looks like this has decreased in Sentry over the last couple of weeks: https://sentry.prod.mozaws.net/operations/firefox-nightly/?query=is%3Aunresolved+ensureexec&statsPeriod=14d

liuche picture liuche on 18 Jun 2020

I was able to repro the fragmentmanager crash once, but of the 5 times I crashed with similar STR to https://github.com/mozilla-mobile/fenix/issues/8374#issuecomment-642777126, 4 were the native crash

ekager picture ekager on 19 Jun 2020

Do we know why this was a native crash sometimes - is it two issues somehow, and we're only handling one of them? Or the native crash is getting triggered racily.

liuche picture liuche on 26 Jun 2020

We've tried the steps to reproduce this on Fenix Beta 78.0.1 & 79.0.1 and looks like it is fixed. Marking this as fixed and closing.

sv-ohorvath picture sv-ohorvath on 30 Jun 2020
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