快速滑动会导致程序崩溃

[BajieSaveMe]

2020-08-08 13:56:31.920 4060-4158/com.shuyuntu.rzzyghgw A/libc: Fatal signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x4 in tid 4158 (RenderThread), pid 4060 (uyuntu.rzzyghgw)
2020-08-08 13:56:31.970 4448-4448/? E/crash_dump32: unknown process state: t
2020-08-08 13:56:32.007 4448-4448/? A/DEBUG: *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
2020-08-08 13:56:32.008 4448-4448/? A/DEBUG: Build fingerprint: 'samsung/a7y18ltedx/a7y18lte:10/QP1A.190711.020/A750GNDXU6CTF1:user/release-keys'
2020-08-08 13:56:32.008 4448-4448/? A/DEBUG: Revision: '5'
2020-08-08 13:56:32.008 4448-4448/? A/DEBUG: ABI: 'arm'
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: Timestamp: 2020-08-08 13:56:32+0800
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: pid: 4060, tid: 4158, name: RenderThread >>> com.shuyuntu.rzzyghgw <<<
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: uid: 10560
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x4
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: Cause: null pointer dereference
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: r0 00000004 r1 ddf080e0 r2 00000001 r3 00000000
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: r4 beafd7a8 r5 beafd7a4 r6 00000004 r7 beafd7a8
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: r8 bd8e0ff4 r9 bd8e0ff0 r10 beafd79c r11 d3fded38
2020-08-08 13:56:32.009 4448-4448/? A/DEBUG: ip ec66c884 sp bd8e0fe8 lr ec5b0407 pc ec5b0412
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: backtrace:
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #00 pc 000e7412 /system/lib/libandroid_runtime.so (void std::__1::set<android::spandroid::uirenderer::PropertyValuesAnimatorSet, std::__1::less<android::spandroid::uirenderer::PropertyValuesAnimatorSet>, std::__1::allocator<android::spandroid::uirenderer::PropertyValuesAnimatorSet>>::insert<std::__1::__tree_const_iterator<android::spandroid::uirenderer::PropertyValuesAnimatorSet, std::__1::__tree_node<android::spandroid::uirenderer::PropertyValuesAnimatorSet, void*>, int>>(std::__1::__tree_const_iterator<android::spandroid::uirenderer::PropertyValuesAnimatorSet, std::__1::__tree_node<android::spandroid::uirenderer::PropertyValuesAnimatorSet, void>, int>, std::__1::set<android::spandroid::uirenderer::PropertyValuesAnimatorSet, std::__1::less<android::spandroid::uirenderer::PropertyValuesAnimatorSet>, std::__1::allocator<android::spandroid::uirenderer::PropertyValuesAnimatorSet>>::insert<std::__1::__tree_const_iterator<android::spandroid::uirenderer::PropertyValuesAnimatorSet, std::__1::__tree_node<android::spandroid::uirenderer::PropertyValuesAnimatorSet, void>, int>>)+142) (BuildId: 398a834e9bbd595ad677fd10fa4e85b3)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #1 pc 000e7325 /system/lib/libandroid_runtime.so (android::AnimationContextBridge::startFrame(android::uirenderer::TreeInfo::TraversalMode)+120) (BuildId: 398a834e9bbd595ad677fd10fa4e85b3)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #2 pc 00319f41 /system/lib/libhwui.so (android::uirenderer::renderthread::CanvasContext::prepareTree(android::uirenderer::TreeInfo&, long long, long long, android::uirenderer::RenderNode*)+172) (BuildId: 361ef466e058fdb7c65246150d0c34cb)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #3 pc 00319d2b /system/lib/libhwui.so (android::uirenderer::renderthread::DrawFrameTask::syncFrameState(android::uirenderer::TreeInfo&)+142) (BuildId: 361ef466e058fdb7c65246150d0c34cb)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #4 pc 003199a3 /system/lib/libhwui.so (_ZNSt3__110__function6__funcIZN7android10uirenderer12renderthread13DrawFrameTask11postAndWaitEvE3$_0NS_9allocatorIS6_EEFvvEEclEv$c303f2d2360db58ed70a2d0ac7ed911b+78) (BuildId: 361ef466e058fdb7c65246150d0c34cb)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #5 pc 00324c8f /system/lib/libhwui.so (android::uirenderer::WorkQueue::process()+158) (BuildId: 361ef466e058fdb7c65246150d0c34cb)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #6 pc 00324aed /system/lib/libhwui.so (android::uirenderer::renderthread::RenderThread::threadLoop()+72) (BuildId: 361ef466e058fdb7c65246150d0c34cb)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #7 pc 0000d84f /system/lib/libutils.so (android::Thread::_threadLoop(void*)+182) (BuildId: 0782021e9b98ed0a90e55b58e977ddce)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #8 pc 000a75b3 /apex/com.android.runtime/lib/bionic/libc.so (__pthread_start(void*)+20) (BuildId: 320fbdc2a1289fadd7dacae7f2eb77a3)
2020-08-08 13:56:32.076 4448-4448/? A/DEBUG: #9 pc 00061b33 /apex/com.android.runtime/lib/bionic/libc.so (__start_thread+30) (BuildId: 320fbdc2a1289fadd7dacae7f2eb77a3)
2020-08-08 13:56:32.635 4018-4018/? E//system/bin/tombstoned: Tombstone written to: /data/tombstones/tombstone_04
2020-08-08 13:56:32.676 3957-3957/? E/audit: type=1701 audit(1596866192.673:146814): auid=4294967295 uid=10560 gid=10560 ses=4294967295 subj=u:r:untrusted_app:s0:c48,c258,c512,c768 pid=4060 comm="RenderThread" exe="/system/bin/app_process32" sig=11

[1uokun]

@BajieSaveMe @LonelyPluto

com/artifex/mupdfdemo/CancelableAsyncTask.java

public CancellableAsyncTask(final CancellableTaskDefinition<Params, Result> task)
	{
		if (task == null)
			throw new IllegalArgumentException();

		this.ourTask = task;
		asyncTask = new AsyncTask<Params, Void, Result>()
		{
			@Override
			protected Result doInBackground(Params... params)
			{
				return task.doInBackground(params);
			}

			@Override
			protected void onPreExecute()
			{
				CancellableAsyncTask.this.onPreExecute();
			}

			@Override
			protected void onPostExecute(Result result)
			{
				CancellableAsyncTask.this.onPostExecute(result);
				task.doCleanup();
			}

+                     	@Override
+                     	protected void onCancelled(Result result)
+                     	{
+                         	task.doCleanup();
+                     	}
		};
	}

	public void cancelAndWait()
	{
		this.asyncTask.cancel(true);
		ourTask.doCancel();

		try
		{
			this.asyncTask.get();
		}
		catch (InterruptedException e)
		{
		}
		catch (ExecutionException e)
		{
		}
		catch (CancellationException e)
		{
		}
-
-		ourTask.doCleanup();
	}