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-rw-r--r--drivers/target/target_core_transport.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index c681c81..267113c 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -3562,6 +3562,11 @@ static int transport_generic_cmd_sequencer(
cmd->data_length = size;
}
+ /* Let's limit control cdbs to a page, for simplicity's sake. */
+ if ((cmd->se_cmd_flags & SCF_SCSI_CONTROL_SG_IO_CDB) &&
+ size > PAGE_SIZE)
+ goto out_invalid_cdb_field;
+
transport_set_supported_SAM_opcode(cmd);
return ret;
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