https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114677
David Malcolm <dmalcolm at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2024-04-10 Summary|apparent -Wanalyzer-fd-leak |[13/14 Regression] | false positive |-Wanalyzer-fd-leak false | |positive writing to int * | |param Ever confirmed|0 |1 --- Comment #1 from David Malcolm <dmalcolm at gcc dot gnu.org> --- Thanks for filing this bug. Confirmed (thanks for the godbolt link). Affects GCC 13 onwards (which added that warning) Looks like for some reason the analyzer isn't treating (*sock) as keeping the value of the fd alive.