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DeWu Technology
DeWu Technology
Mar 12, 2025 · Mobile Development

Android Crash Analysis and Fixes: DNS, MediaCodec, BIO, and Focus Issues

The article details four native DeWu Android client crashes—DNS resolution, MediaCodec state‑exception, BIO multi‑thread, and Xiaomi Android 15 focus null‑pointer—explains their root causes, and demonstrates inline‑hook, PLT‑hook, and JNI‑hook fixes that lowered the crash rate from 2/10 000 to about 1.2/10 000.

AndroidCrashAnalysisDebugging
0 likes · 20 min read
Android Crash Analysis and Fixes: DNS, MediaCodec, BIO, and Focus Issues
Aikesheng Open Source Community
Aikesheng Open Source Community
Oct 22, 2024 · Databases

Analyzing OBServer Crash Logs with observer.log and gdb

This article explains how to locate OBServer crash logs, extract stack traces from observer.log, map memory addresses to source code using addr2line and gdb, identify the faulty function ObMPStmtExecute::copy_or_convert_str, and verify the issue through the OceanBase knowledge base, providing a systematic five‑step approach for rapid crash diagnosis.

CrashAnalysisDebuggingOceanBase
0 likes · 9 min read
Analyzing OBServer Crash Logs with observer.log and gdb
Watermelon Video Tech Team
Watermelon Video Tech Team
Dec 14, 2023 · Mobile Development

Why Does Android’s RenderThread Crash on TextureView.getBitmap? A Deep Dive and Fix

This article investigates the Android 5‑6 RenderThread native crash caused by a missing EGL surface when TextureView.getBitmap is called before ThreadedRender initialization, analyzes the root cause through code inspection and runtime logs, and presents a bytecode‑instrumentation fix that dramatically reduces the crash rate.

AndroidCrashAnalysisHooking
0 likes · 21 min read
Why Does Android’s RenderThread Crash on TextureView.getBitmap? A Deep Dive and Fix
DaTaobao Tech
DaTaobao Tech
Nov 6, 2023 · Mobile Development

Analyzing and Fixing iOS 16 WKWebView Crash via Reverse Engineering and Hooking

By reverse‑engineering the iOS 16 WKWebView image‑analysis crash, the team identified a nil‑buffer bug in VisionKitCore’s CGImage creation, then mitigated it by runtime‑hooking VKCRemoveBackgroundResult’s createCGImage (returning NULL) and suppressing the image‑analysis gesture, reducing crashes from thousands to near zero.

AssemblyCrashAnalysisHooking
0 likes · 29 min read
Analyzing and Fixing iOS 16 WKWebView Crash via Reverse Engineering and Hooking
Big Data Technology & Architecture
Big Data Technology & Architecture
Oct 25, 2020 · Fundamentals

Analyzing a JVM Crash Caused by Compressed Oops and MemberName vmtarget Mis‑handling

This article walks through a JVM crash that occurs during garbage collection, explains how to use the SA tool CLHSDB to locate the offending object, discusses the role of compressed oops and MemberName vmtarget, and provides concrete fixes such as adjusting field writes or disabling pointer compression.

CLHSDBCompressedOopsCrashAnalysis
0 likes · 9 min read
Analyzing a JVM Crash Caused by Compressed Oops and MemberName vmtarget Mis‑handling