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scsi: bsg: Pass reply_len to bsg_setup_queue() to fit UFS ARPMB replies - #1467
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bsg-lib allocates a 96-byte (SCSI_SENSE_BUFFERSIZE) reply buffer per job, but struct ufs_rpmb_reply is 104 bytes: a 40-byte struct ufs_bsg_reply followed by a 64-byte EHS. When an Advanced RPMB command returns an EHS, ufshcd_advanced_rpmb_req_handler() copies it right after the 40-byte header and writes 8 bytes past the end of the buffer. Let each BSG transport pass its reply buffer size to bsg_setup_queue() and have ufs_bsg request sizeof(struct ufs_rpmb_reply), so the full reply reaches user space. Other transports keep SCSI_SENSE_BUFFERSIZE. Fixes: 6ff265f ("scsi: ufs: core: bsg: Add advanced RPMB support in ufs_bsg") Cc: stable@vger.kernel.org Signed-off-by: Stanley Jhu <stanleyjhu@google.com>
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Pull request for series with
subject: scsi: bsg: Pass reply_len to bsg_setup_queue() to fit UFS ARPMB replies
version: 1
url: https://patchwork.kernel.org/series/1184774/