target: Add missing WRITE_SAME end-of-device sanity check
commit 8e575c50 upstream. This patch adds a check to sbc_setup_write_same() to verify the incoming WRITE_SAME LBA + number of blocks does not exceed past the end-of-device. Also check for potential LBA wrap-around as well. Reported-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Martin Petersen <martin.petersen@oracle.com> Cc: Christoph Hellwig <hch@lst.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
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