Display gif in a spawned engine crashes after parent engine destroyed #94159
Description
It can be solved by this PR: flutter/engine#29915
Steps to Reproduce
- Open the app
- Click the "Next" button
- Click the second "我知道了" in the flutter instance of half of the bottom screen
- Click the "RemoveFirst" button then it will crash.
Expected results: It's ok and don't crash.
Actual results: It crashed.
Code sample
It's as same as https://github.com/flutter/samples/tree/master/add_to_app/multiple_flutters
if (needShow)
Padding(
padding: const EdgeInsets.only(left: 24, right: 24),
child: Image.asset(
'images/mabaoguo.gif', // <-- here a gif
fit: BoxFit.fill),
), button.text = "RemoveFirst"
button.setOnClickListener {
fragmentManager.beginTransaction().remove(firstFragment!!).commitNow()
FlutterEngineCache.getInstance().remove(0.toString())
topBindings.detach()
isFirstRemove = true
}
/**
* This tears down the messaging connections on the platform channel and the DataModel.
*/
fun detach() {
// TODO: Uncomment after https://github.com/flutter/engine/pull/24644 is on stable.
engine.destroy();
DataModel.instance.removeObserver(this)
channel.setMethodCallHandler(null)
}
Logs
2021-11-24 21:30:20.221 11369-11451/dev.flutter.multipleflutters A/libc: Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0 in tid 11451 (1.io), pid 11369 (ultipleflutters)
2021-11-24 21:30:20.268 11481-11481/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: Build fingerprint: 'Xiaomi/umi/umi:11/RKQ1.200826.002/21.7.28:user/release-keys'
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: Revision: '0'
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: ABI: 'arm'
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: Timestamp: 2021-11-24 21:30:20+0800
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: pid: 11369, tid: 11451, name: 1.io >>> dev.flutter.multipleflutters <<<
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: uid: 10350
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x0
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: Cause: null pointer dereference
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: r0 00000000 r1 00000000 r2 00000000 r3 00000000
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: r4 ba4661a0 r5 c04e6da8 r6 c4d936c5 r7 c04e6dc0
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: r8 00000001 r9 c2b6df80 r10 00000000 r11 00000069
2021-11-24 21:30:20.269 11481-11481/? A/DEBUG: ip c533d230 sp c2b6df00 lr c4d8c87f pc c5061a3c
2021-11-24 21:30:20.315 920-2330/? E/CamX: [ERROR][NCS ] camxncsintfqsee.cpp:2208 FillSensorData() Invalid sensor index -1
2021-11-24 21:30:20.331 11481-11481/? A/DEBUG: backtrace:
2021-11-24 21:30:20.331 11481-11481/? A/DEBUG: #00 pc 0151da3c /data/app/~~2IpoKhzv3XH25FXTfH4Bcw==/dev.flutter.multipleflutters-KgF_VwKmEzFMIkqNVCogNg==/base.apk!libflutter.so (offset 0x107b000) (BuildId: 88f02ec203436ab8cdb69e38b00ff4c9f2d66dc0)
2021-11-24 21:30:20.331 11481-11481/? A/DEBUG: #01 pc 000fbf96 [anon:stack_and_tls:11451]
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