K 10
svn:author
V 3
jah
K 8
svn:date
V 27
2019-04-07T19:08:07.026295Z
K 7
svn:log
V 583
MFC r345741:

freebsd32: fix padding of computed control message length for recvmsg()

Each control message region must be aligned on a 4-byte boundary on 32-bit
architectures. The 32-bit compat shim for recvmsg() gets the actual layout
right, but doesn't pad the payload length when computing msg_controllen for
the output message header. If a control message contains an unaligned
payload, such as the 1-byte TTL field in the example attached to PR 236737,
this can produce control message payload boundaries that extend beyond
the boundary reported by msg_controllen.

PR:	236737

END