To reproduce, as an unprivileged user start a docker container and build and run the unit tests inside it: $ docker run --rm -ti debian:bookworm bash ... /* test_close_all_fds */ Successfully forked off '(caf-plain)' as PID 10496. Skipping PR_SET_MM, as we don't have privileges. (caf-plain) succeeded. Failed to fork off '(caf-noproc)': Operation not permitted Assertion 'r >= 0' failed at src/test/test-fd-util.c:392, function test_close_all_fds(). Aborting. Partially fixes #35552 (cherry picked from commit 630a2e7ee195ca96e102acac8df67a278a879124) (cherry picked from commit 5573ac7d9c52bed8d38480788b02639ede3881fc)
System and Service Manager
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