On Thu, Nov 20, 2025 at 11:16 AM Daniel Stenberg <[email protected]> wrote:
> > I'm running my library under valgrind to try to find any bugs. I'm seeing > > this warning stemming from `curl_easy_init` when running drd. > > I don't understand what that output means. drd was complaining about a data race between threads. This is curl_easy_init code and as you can see, there is a lock for the > part > that is not thread-safe: > > > https://github.com/curl/curl/blob/7e8f36bf8e56e632e4f8be54b584f758e3aaa086/lib/easy.c#L349-L376 > > This lock has existed like this for a while. I built curl with debug symbols and noticed it was actually complaining about a data race on the lock itself. ==8== Location 0x4a12278 is 0 bytes inside global var "s_lock" It appears that drd doesn't understand that the atomic is being used as a locking mechanism, so I can just add it to my suppressions file. Thanks, Aman
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