usbip: fix stub_rx: get_pipe() to validate endpoint number

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commit 635f545a7e upstream.

get_pipe() routine doesn't validate the input endpoint number
and uses to reference ep_in and ep_out arrays. Invalid endpoint
number can trigger BUG(). Range check the epnum and returning
error instead of calling BUG().

Change caller stub_recv_cmd_submit() to handle the get_pipe()
error return.

Reported-by: Secunia Research <vuln@secunia.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Shuah Khan 2017-12-07 14:16:47 -07:00 • committed by Greg Kroah-Hartman

parent cb6ee0f3c1

commit 7120d742ad

1 changed files with 11 additions and 7 deletions

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drivers/usb/usbip/stub_rx.c

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