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connect_variant(unspec_any0) is called twice. Both calls end up in connect_variant_addrlen() with an address length of get_addrlen(minimal=false). However, the connect() syscall and its variants (e.g. iouring/compat) accept much shorter addresses of 4 bytes and that behaviour was not tested. Replace one of these calls with one using a minimal address length (just a bare sa_family=AF_UNSPEC field with no actual address). Also add a call using a truncated address for good measure. Signed-off-by: Matthieu Buffet <matthieu@buffet.re> Link: https://lore.kernel.org/r/20251027190726.626244-3-matthieu@buffet.re Signed-off-by: Mickaël Salaün <mic@digikod.net>