usbip: fix vhci_hcd to check for stream socket

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commit f55a057169 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>

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Shuah Khan 2021-03-07 20:53:27 -07:00 • committed by Greg Kroah-Hartman

parent 6d74523921

commit 2aa21585ad

1 changed files with 9 additions and 1 deletions

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drivers/usb/usbip/vhci_sysfs.c

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