CHECK CONDITION returns sense data, and sense data is minimum 8 bytes long plus additional sense data length in the data buffer. Don't just set the allocated buffer length to the cmd->scsi_sense_length and check the sense data for that. See SPC4-r37 section 4.5.2.1. Signed-off-by: Thinh Nguyen <Thinh.Nguyen@xxxxxxxxxxxx> --- drivers/target/target_core_transport.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index bc1e4a7c4538..9734952a6228 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -3459,12 +3459,20 @@ static void translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason) cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE; cmd->scsi_status = SAM_STAT_CHECK_CONDITION; - cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER; + + /* + * CHECK CONDITION returns sense data, and sense data is minimum 8 + * bytes long. See SPC4-r37 section 4.5.2.1. + */ + cmd->scsi_sense_length = 8; + scsi_build_sense_buffer(desc_format, buffer, key, asc, ascq); if (sd->add_sense_info) WARN_ON_ONCE(scsi_set_sense_information(buffer, cmd->scsi_sense_length, cmd->sense_info) < 0); + /* Additional sense data length */ + cmd->scsi_sense_length += buffer[7]; } int -- 2.28.0
