Luca Boccassi
36562b721e
The cleanup destructor for VarlinkServerSocket only freed ss->address and
the struct, leaking ss->event_source. If sd_varlink_server_listen_address()
hits OOM at free_and_strdup() after the io-source was already armed, the
source stays registered in the event loop with userdata pointing at the
freed socket. Disable it before freeing; the call is a no-op when the
source was never armed, so the other freep sites are unaffected.
Follow-up for c14e841f31
Co-developed-by: Claude Opus 4.8 <noreply@anthropic.com>
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