tree 9f1d1846a201c72b17b3b533dc7551bbfa3787c9
parent da1be8e078521252947f11d83f34db363a91f62f
author Shuah Khan <skhan@linuxfoundation.org> 1615175607 -0700
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1615997031 +0100

usbip: fix vhci_hcd to check for stream socket

commit f55a0571690c4aae03180e001522538c0927432f upstream.

Fix attach_store() to validate the passed in file descriptor is a
stream socket. If the file descriptor passed was a SOCK_DGRAM socket,
sock_recvmsg() can't detect end of stream.

Cc: stable@vger.kernel.org
Suggested-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/52712aa308915bda02cece1589e04ee8b401d1f3.1615171203.git.skhan@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>