DynamoRIO/drmemory

drmemory, drstrace, ... all no longer work on Windows 32bit

Open

#2,562 opened on Aug 7, 2025

View on GitHub
 (0 comments) (0 reactions) (0 assignees)C (289 forks)auto 404
help wanted

Repository metrics

Stars
 (2,727 stars)
PR merge metrics
 (PR metrics pending)

Description

Describe the bug drmemory, drstrace, ... all no longer work on Windows 32bit. They all crash, long before any command line options can be processed

To Reproduce Just run any dr*-tool:

drmemory.exe /? Segmentation fault drstrace.exe /? Segmentation fault drstrace.exe -h Segmentation fault

Versions

No, it dos not.

  • What operating system version are you running on? ("Windows 10" is not sufficient: give the release number.) Microsoft Windows [Version 10.0.19045.6159]

  • Is your application 32-bit or 64-bit? 32bit

Contributor guide

Research direction
Investigate the crash on Windows 32 bit by examining the initial startup code, possibly related to memory initialization or tool launcher. Check for recent changes or known issues with 32 bit compatibility.
Tech stack
c
Domain
tooling
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
Windows debuggingC
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40