tijl
679845ea20
Fix another user address dereference in linux_sendmsg syscall.
...
This was hidden behind the LINUX_CMSG_NXTHDR macro which dereferences its
second argument. Stop using the macro as well as LINUX_CMSG_FIRSTHDR. Use
the size field of the kernel copy of the control message header to obtain
the next control message.
PR: 217901
MFC after: 2 days
X-MFC-With: r340631
2018-11-20 14:18:57 +00:00
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