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A critical bug has surfaced in one of the open-source tools that underpins our daily workflow, and I need a sharp set of eyes to track it down and squash it. The issue manifests as an unexpected crash during routine operations; logs point to a memory-handling fault, but the exact trigger remains elusive. Here’s the flow I have in mind: • Reproduce the bug on your local environment so we can confirm we’re seeing the same failure. • Trace the root cause—code review, breakpoints, anything that helps narrow the faulty module. • Craft a clean, well-commented patch that follows the project’s contribution guidelines. • Prove the fix: unit tests, regression checks, and a short write-up on how the solution eliminates the crash without side effects. • Submit a pull request (or equivalent) to the upstream repo and hand over a concise report outlining the changes. You’ll be working with standard open-source tooling: Git for version control, typical C/C++ build chains (the project uses CMake), and a small Python harness for automated testing. Familiarity with Valgrind or AddressSanitizer will help speed diagnosis, but you’re free to use the profilers you trust. Deliverables are considered complete once the patch is accepted upstream and all automated tests pass on CI. If anything feels unclear, let’s chat before you dive in—I’d rather confirm assumptions early than rework later.
Project ID: 40233805
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35 freelancers are bidding on average $20 USD/hour for this job

With my expertise in C Programming, Python, C++ Programming, Debugging, and Software Development, I am well-equipped to tackle the critical bug in the open-source software. I am confident in my ability to reproduce the issue, trace the root cause, and deliver a clean, well-commented patch that meets project guidelines. I am open to adjusting the budget after discussing the full scope of the project. Let's start this project together, and I am eager to dive in and get the job done efficiently. Please go through my profile its 15 years old see the work I did over the years. No Win No Fee means that your satisfaction is my utmost priority. Lets discuss the job details. Moreover, I am willing to start the job and perform tasks without even being hired; it is just to show my commitment to this project. Looking forward to hear from you.
$18 USD in 3 days
6.2
6.2

As a member of the WellSpring Infotech team, my extensive experience in custom software development and proficiency in key areas align closely with your project requirements. Familiarity with standard open-source tooling such as Git for version control and Python for automation will aid me in effectively tackling your project. Moreover, having worked on diverse projects in various industry verticals like Fintech and Healthcare, I understand the significance of bug-free software in mission-critical workflows. Over the years, I have honed my skills to provide well-documented and well-commented code, ensuring that it adheres to contribution guidelines rigorously. Test driven development is a practice I hold dear, making certain that not just the immediate issue but also any potential regressions are addressed solidly. I also believe in pristine project management for smooth operations and come prepared with bloodhound-like attention to detail to ensure no assumptions are left unturned. Above all, what truly sets me apart is my dedication to client satisfaction. I approach projects with a strategic mindset, offering innovative solutions whenever possible. Thanks...
$15 USD in 40 days
6.3
6.3

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
$20 USD in 40 days
6.3
6.3

With my vast experience encompassing Software Engineering, Cybersecurity Specialist, Network Security Engineer, and Embedded Systems Developer roles, I am equipped to swiftly and skillfully approach this project. In identifying your bug it is paramount to retrace and replicate your steps accurately; I am well versed in using Gits (git/gitHub) for version control which is critical for these tasks.I have substantial competency in the relevant programming languages namely C and C++ where I can investigate code and ensure a comprehensive diagnosis. Moreover, my experience as a software engineer and developer has provided me with a profound understanding of debugging codes, culminating to quick identification and fixing of such issues as the one you are experiencing. My proficiency extends to the use of tools like Valgrind or AddressSanitizer which greatly enhance turnaround time in diagnostics. Lastly through harnessing tools such as Jenkins post-fixing; You can be assured that the final product will not only solve your bug issue but also run perfectly without negatively impacting any other part of your system.
$27.33 USD in 40 days
5.8
5.8

✅Hi, Client. I am a senior C++ developer✅ I have successfully completed several projects similar like yours. I am interested in your project. I would like to work for you in the long term. Please send a message to discuss this project. I look forward to hearing from you. My main goal is to gain my client's satisfaction by completing a job with 100% accuracy I am a senior C++ developer with over 10 years of rich experience in C#/C/C++/QT/Java/Python/Reverse Programming, API integration/Database management. So, I can complete it within your timeline. Best regards! From Hien ...
$25 USD in 40 days
5.8
5.8

⭐⭐⭐⭐⭐ CnELIndia and Raman Ladhani are well-equipped to handle this critical bug fix. First, we'll reproduce the crash locally using your environment setup and verify the issue with the logs. Once confirmed, our experienced team will conduct a thorough code review, utilizing breakpoints and memory profiling tools like Valgrind or AddressSanitizer to identify the faulty module. Next, we’ll develop a clean, well-commented patch that aligns with your contribution guidelines and includes regression tests to prevent any future crashes. Our approach ensures the fix addresses the root cause without introducing side effects. After validation, we will submit the patch with a detailed report, ensuring it passes all automated tests. Our familiarity with Git, CMake, and Python automation will ensure smooth collaboration and prompt delivery. This structured and methodical approach guarantees a timely and reliable resolution to the issue.
$20 USD in 40 days
5.5
5.5

Hi, there, I am Brayan, an experienced freelance engineer with a strong background in C and C++ programming, open source development, debugging, and software testing. I have successfully debugged critical issues in open-source projects, ensuring seamless workflow. ✅ To start, I will meticulously replicate the bug on my local environment to confirm the issue's manifestation accurately. ✅ Next, I will delve deep into the codebase, utilizing code reviews and breakpoints to pinpoint the memory-handling fault causing the unexpected crashes. ✅ Crafting a well-commented patch following the project's contribution guidelines will be my priority to provide a clean and effective solution. ✅ Once the fix is ready, I will conduct rigorous unit tests and regression checks to ensure the solution eliminates the crash without any side effects. ✅ Lastly, I will submit a pull request to the upstream repository along with a concise report outlining the changes made. I look forward to working with you. Best Regards, Brayan
$25 USD in 26 days
4.8
4.8

Hi, I’m comfortable working with C/C++, memory diagnostics (Valgrind/ASan), and preparing clean upstream-ready patches. Before committing, I’d like to clarify two points: 1. Is payment tied strictly to upstream acceptance, or to successful reproduction, fix, and PR submission? 2. Do you have a reproducible test case or crash log available to scope the debugging effort? Once I understand the expected size of the issue, I can estimate hours more accurately.
$16 USD in 20 days
4.6
4.6

Your memory-handling fault could stem from a double-free, use-after-free, or buffer overflow that only triggers under specific conditions - these are the nastiest bugs because they're non-deterministic and can corrupt the heap silently before crashing. If your logs aren't showing the exact allocation site, you're likely dealing with a delayed corruption scenario. Before I architect the debugging strategy, I need clarity on two things: What's the average time-to-crash during reproduction - are we talking seconds or hours of runtime? And does the project have existing sanitizer builds in CI, or will I need to set up the instrumentation from scratch? Here's the debugging approach: - VALGRIND + ADDRESSSANITIZER: Run the tool under both to catch heap corruption at the exact instruction - Valgrind for precise allocation tracking, ASan for faster iteration with stack traces showing the corruption origin. - GDB + CORE DUMP ANALYSIS: Set up automated core dumps with full symbols, then backtrace through the call stack to identify the faulty module - I'll cross-reference with recent commits to spot regression patterns. - PYTHON TEST HARNESS: Expand your existing test suite to stress-test edge cases around the crash scenario - memory pressure tests, concurrent operations, and boundary conditions that expose the trigger reliably. - CMAKE + CI INTEGRATION: Patch the build system to enable sanitizers by default in debug mode and add regression tests that fail-fast if the bug resurfaces - this prevents future commits from reintroducing the issue. - UPSTREAM CONTRIBUTION: Write the patch following kernel-style commit messages with before/after behavior, add unit tests proving the fix, and document the root cause analysis for maintainers reviewing the PR. I've debugged similar memory corruption issues in 8 open-source projects including contributions to Redis and PostgreSQL where intermittent crashes required multi-day profiling sessions. Let's schedule a 15-minute call to review your reproduction steps and confirm the toolchain setup before I start tracing - I don't take on debugging work without verifying the environment matches production conditions.
$18 USD in 30 days
5.1
5.1

Hi, I am Haresh, having 14+ years of experience in Software Testing Industry. - Having unique blend of knowledge in Quality Product Delivery, Processes Management, Functional testing, Integration and regression testing, load and Perfromance Testing which help me to take the Quality of the software to the next level. - Hands on experience on testing Desktop, Web Based, Mobile application and ERP based application. - Hands on experience on automation testing tools on selenium webdriver, jmeter, katalon studio, Appium, cypress, selenium with TestNG freamwork etc.. - Thorough understanding of Product Delivery Life Cycle, Software Testing Life Cycle and Software Development Life Cycle. - Experience in Well conversant with writing Test plan,Test Cases,Bug report, Release Note and Product Health Report. - Worked in various domains like Finance, Retail, Web Portals, Healthcare, ecommnerce, CMS, Eduction Portal, Life Insurance, ERP system etc. - I do have require mobile devices to test mobile view or applications like android and iOS applications. - I have hands on experience with Git, postman, MSSQL Server. Kindly review my profile and let me know you view over the same. Thanks, Haresh
$20 USD in 40 days
4.1
4.1

Having successfully developed and maintained high-performance applications for over 13 years, I bring valuable knowledge and expertise to this critical bug fix project. As an experienced software engineer and a prolific contributor, I have honed my skills in using Git for version control and C/C++ build chains that precisely aligns with the project at hand. Furthermore, my proficiency in Python and its applicable libraries will greatly facilitate reproducing bugs locally and conducting impactful automated testing. Understanding the importance of efficient identification, isolation, and resolution of issues, I will leave no stone unturned in tracing the root cause of the memory-handling fault causing unexpected crashes. My collaboration skills will be at display as we analyze each module thoroughly to find a viable solution. On a similar note, I feel comfortable carrying out code reviews, integrating breakpoints for in-depth analysis, creating well-commented patches aligned with project guidelines, performing unit tests & regression checks for verifying outcomes of fix implementation. Your requirement of handing over code enhancements following best practices syncs perfectly with my modus operandi. Over my career, delivering scalable solutions without compromising on user experience has been my priority.
$20 USD in 40 days
4.6
4.6

With over five years of experience as a web developer, I’ve developed a keen eye for catching and fixing bugs in complex codebases. This is a crucial skillset that is highly transferable to your open-source project. I'm well-versed not only in Git and Python, but also in C/C++ and CMake, which means I'm comfortable with the tooling needed for this task. Over the years I’ve extensively used various profilers for debugging, including Valgrind and Address Sanitizer, hence diagnosis will be quick and efficient on my part. My deep-rooted familiarity with software development methodologies such as continuous integration (CI), code review process, and writing clean patches will ensure that the fix I deliver adheres to your project's guidelines while keeping all potential side effects at bay. Moreover, your desire for clear communication is something I truly value. If you entrust me with this task, rest assured that our collaboration will be characterized by constant updates on progress, regular discussions to confirm any assumptions or directions taken, and finally delivering a patch that resolves the issue at hand with minimal compromise. Let’s work together to eliminate this bug swiftly and effectively!
$20 USD in 40 days
3.4
3.4

Hello, I’m glad to have found your project, it aligns perfectly with my skills and professional interests. Tracking down memory handling faults in C or C++ projects is something I take seriously, especially when the tool supports daily workflows. Reproducing the crash locally and confirming deterministic failure will be the first priority before deep tracing begins. I would use a structured debugging process with breakpoints, log tracing, and tools such as Valgrind or AddressSanitizer to isolate the faulty allocation or invalid access. Once the root cause is confirmed, I will craft a minimal, well documented patch aligned with the project’s coding and contribution standards. Unit tests and regression checks will validate that the crash is eliminated without introducing side effects, including verification through the existing Python test harness and CI pipeline. All changes will be version controlled with clear commit history and a concise technical report before submitting the pull request upstream. I’d like to go over a few points: Is the crash reproducible on specific platforms or across all environments? Has any recent dependency or compiler version changed prior to the issue surfacing? I’m confident I can make this project a success. Thank you for considering my proposal, and I hope we can collaborate soon. Adison
$20 USD in 40 days
3.4
3.4

Hi, I am an expert software engineer with skills including Software Development, Git, Regression Testing, Open Source, C++ Programming, C Programming, Debugging and Python. After reviewing the project requirements, I found the project perfectly match my experience and skills. Having previously worked on similar projects, I'm confident I can complete this project perfectly. To move forward, Please send a message to discuss more regarding this project. Your Sincerely
$20 USD in 18 days
1.9
1.9

Hello , I have relevant experience. I have read your project description carefully and I understand what you want. I am an experienced and specialized freelancer with 10+ years of practical experience in Python, C++ Programming, Software Development. Please visit my profile to check the latest work and honest client reviews. If this sounds good, connect in chat and we can start. Looking forward, Jayabrata Bhaduri
$20 USD in 40 days
2.0
2.0

As a full-stack development team, we have worked extensively on open-source projects using Git for version control and various build chains along with C/C++ and CMake. Moreover, our familiarity with different profilers like Valgrind and AddressSanitizer would be an asset in tracking down the memory-handling fault you've described. We are confident that we can not only recreate the bug but also narrow down the faulty module while following your proposed flow Our strong grounding in backend technologies, including Python, will proffer valuable insights into your application's root cause analysis. Additionally, our extensive experience working across frontend and backend ensures an all-encompassing approach to problem-solving. This means not only tracing the bug, but also crafting effective and well-commented patches that will meet your project’s contribution guidelines. Lastly, we emphasize security, performance, and scalability in our work, all of which are major concerns for you. Our expertise with optimizing data storage and retrieval will be instrumental in ensuring that the patch we deliver provides a solution that eliminates crashes without introducing side effects. We look forward to collaborating with you on this project to maximize your software efficiency and ensure precise results for your company.
$20 USD in 40 days
1.5
1.5

Crashes during routine operations can bring everything to a sudden halt, especially when the root cause hides behind tricky memory faults. It’s frustrating to have your workflow disrupted by an elusive bug that refuses to show its true colors, especially when logs only hint at the problem and the stakes are high for stability. You can expect a clean, reliable patch that gets accepted upstream, with all automated tests passing so you can get back to productive work without worrying about hidden crashes. I’ll start by reproducing the issue locally so we’re both seeing the same failure. Then I’ll work through the code and debugging tools to pinpoint the exact trigger. Finally, I’ll create a well-documented fix, verify it with your Python test harness and CI, and submit it upstream along with a clear report. Does your automated test setup catch the crash reliably each time, or does it only happen under specific conditions?
$20 USD in 40 days
1.4
1.4

Hey , I just finished reading the job description and I see you are looking for someone experienced in Python, C Programming, Git, Open Source, Debugging, Regression Testing, C++ Programming and Software Development. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Syed.
$15 USD in 16 days
1.1
1.1

Hey , I just finished reading the job description and I see you are looking for someone experienced in C Programming, Git, C++ Programming, Python, Software Development, Regression Testing, Open Source and Debugging. This is something I can do. Please review my profile to confirm that I have great experience working with these tech stacks. While I have few questions: 1. These are all the requirements? If not, Please share more detailed requirements. 2. Do you currently have anything done for the job or it has to be done from scratch? 3. What is the timeline to get this done? Why Choose Me? 1. I have done more than 250 major projects. 2. I have not received a single bad feedback since the last 5-6 years. 3. You will find 5 star feedback on the last 100+ major projects which shows my clients are happy with my work. Timings: 9am - 9pm Eastern Time (I work as a full time freelancer) I will share with you my recent work in the private chat due to privacy concerns! Please start the chat to discuss it further. Regards, Adil.
$15 USD in 37 days
0.0
0.0

Hi I’ve debugged and fixed memory-related crashes across C/C++ open-source projects, and I can quickly trace this fault and deliver a clean, stable patch that meets upstream standards. I’ll replicate the crash, isolate the culprit, and provide a well-tested fix while keeping everything fully documented. Could you share any specific logs or input conditions that most consistently trigger the crash on your end? Best regards, Generoso
$20 USD in 1 day
0.0
0.0

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