Omar Sandoval bd1599d931
scsi_transport_sas: fix BSG ioctl memory corruption ...
The end_device and sas_host devices support BSG ioctls, but the
request_queue allocated for them isn't set up to allocate the struct
scsi_request payload. This leads to memory corruption in the call to
scsi_req_init() in bsg_map_hdr(), since it will memset past the end of
the allocated request. Fix it by setting ->cmd_size on the allocated
request_queue.
Fixes: 82ed4db499osandov@fb.com >
Acked-by: Christoph Hellwig <hch@lst.de >
Signed-off-by: Jens Axboe <axboe@fb.com >
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bd1599d931