scsi: sg: check length passed to SG_NEXT_CMD_LEN

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commit bf33f87dd0 upstream.

The user can control the size of the next command passed along, but the
value passed to the ioctl isn't checked against the usable max command
size.

Signed-off-by: Peter Chang <dpf@google.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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peter chang 2017-02-15 14:11:54 -08:00 • committed by Greg Kroah-Hartman

parent d5dbd1c959

commit c2a8695278

1 changed files with 2 additions and 0 deletions

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drivers/scsi/sg.c

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