I wrote in
<https://lists.gnu.org/archive/html/bug-gnulib/2020-12/msg00077.html>:
> On FreeBSD 12.0 — but not on FreeBSD 11.0 and 12.2 —, I'm seeing a test
> failure of the Gnulib 'passfd' test:
>
> recvfd: Permission denied
> FAIL test-passfd (exit status: 16)
Likewise on FreeBSD 12.1.1 and NetBSD 9.0.
On FreeBSD 12.0 and 12.1.1 'truss' shows this system call:
recvmsg(4,{NULL,0,[{"\0",1}],1,{},0,MSG_CTRUNC},0) = 1 (0x1)
recvmsg returns a message with CMSG_FIRSTHDR(&msg) = NULL.
Does anyone have any insights?
Bruno