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author | Oliver Neukum <oneukum@suse.com> | 2018-09-05 12:07:02 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-20 12:48:39 +0200 |
commit | 7a68d9fb851012829c29e770621905529bd9490b (patch) | |
tree | d46548b2c14c362c18dd6a0bafb6363553ff565d /Kbuild | |
parent | e871db8d78df1c411032cbb3acfdf8930509360e (diff) | |
download | linux-7a68d9fb851012829c29e770621905529bd9490b.tar.gz linux-7a68d9fb851012829c29e770621905529bd9490b.tar.bz2 linux-7a68d9fb851012829c29e770621905529bd9490b.zip |
USB: usbdevfs: sanitize flags more
Requesting a ZERO_PACKET or not is sensible only for output.
In the input direction the device decides.
Likewise accepting short packets makes sense only for input.
This allows operation with panic_on_warn without opening up
a local DOS.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Reported-by: syzbot+843efa30c8821bd69f53@syzkaller.appspotmail.com
Fixes: 0cb54a3e47cb ("USB: debugging code shouldn't alter control flow")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Kbuild')
0 files changed, 0 insertions, 0 deletions