Andrew Kaster a65c385057 Kernel: Don't try to copy empty Vector in sys$recvmsg ...

If there's no fds to copy in a message with proper space for an
SCM_RIGHTS set of cmsg headers, then don't try to copy them.

This avoids a Kernel panic when recvmsg-ing, as copy_to_user(p, 0, 0)
hits a VERIFY.

2024-04-19 16:38:55 -04:00

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