On 26 Mar 2025, at 16:44, Vadim Grinshpun via curl-library <curl-library@lists.haxx.se> wrote: > > On 3/21/25 8:38 PM, Vadim Grinshpun wrote: >> Hi, >> A program that has been happily using libcurl for years >> started crashing when we upgraded libcurl from 8.10.1 to 8.11.1. >> >> I was hoping the good folks here might be able >> to point me in the right direction; the crash is within a libcurl >> getaddrinfo call. >> A sample gdb stack trace is at the end of the email. >> >> - the OS is Ubuntu 22.04.5 LTS. >> - there were no code changes in the program, just dependency updates >> - the program is multi-threaded >> >> Based on the fact that 'getaddrinfo' is mentioned in the stack trace, I >> wonder if this is somehow related >> to a PR that was merged into 8.11.0: https://github.com/curl/curl/pull/15475 >> >> Thanks for any help! And let me know if any other information would be >> useful. >> >> -Vadim >> > To follow up: updating to 8.12.1 seems to have resolved the issue. > (we think this was an instance of the fixed issue > https://github.com/curl/curl/issues/15725)
Yes, that looks quite likely: closing file descriptors twice is risky in multithreaded contexts. :) -Dimitry -- Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library Etiquette: https://curl.se/mail/etiquette.html
