Debugging TV Frame 0x31
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The document presents a presentation by Dmitry Vostokov about software diagnostics, focusing on heap leaks, including explicit and implicit leaks, and parameter reconstruction. It includes code examples and information on upcoming training sessions related to software diagnostics. Additionally, it promotes the Debugging.tv channel on YouTube.
Debugging TV Frame 0x31
- 1. Frame 0x31 Presenter: Dmitry Vostokov Sponsors Debugging.TV
- 2. • Heap Leaks: explicit and implicit • Parameter reconstruction • Example Topics © 2013 Software Diagnostics Institute
- 3. Varieties of Leaks © 2013 Software Diagnostics Institute • Explicit alloc / missing free • Implicit API call / missing matching “free” call API call with wrong parameter
- 4. Modeling © 2013 Software Diagnostics Institute void bar(HWND hWnd) { LPCTSTR lpString = L"Hello Weird!"; int size = 0xFFFFFFF; // "uninitialized" or corrupt HDC hDC = GetWindowDC(hWnd); if (!TextOut(hDC, 0, 0, lpString, size)) { ReportError(GetLastError()); } ReleaseDC(hWnd, hDC); }
- 5. WinDbg session… © 2013 Software Diagnostics Institute
- 6. !Ad Hardcore Software Diagnostics Training August 19-20, 2013 Accelerated Windows Malware Analysis August 27, 2013 Mobile Software Diagnostics (FREE) September 3, 2013 Psychology of Software Diagnostics (FREE) September 6, 2013 Semiotics of Debugging (FREE) September 13, 2013 Generative Software Narratology (FREE) October 25-28, 2013 Accelerated Disassembly, Reconstruction and Reversing © 2013 Software Diagnostics Institute