From 81fe92849928d65159d707b7b28febffbef94559 Mon Sep 17 00:00:00 2001 From: Keith Busch Date: Wed, 13 Mar 2019 18:54:56 +0100 Subject: nvme-trace: fix cdw10 buffer overrun The field is defined to be a 24 byte array, we don't need to multiply the sizeof() that field by the number of dwords it covers. Signed-off-by: Keith Busch Reviewed-by: Sagi Grimberg Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe --- drivers/nvme/host/trace.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers') diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h index 244d7c177e5a..97d3c77365b8 100644 --- a/drivers/nvme/host/trace.h +++ b/drivers/nvme/host/trace.h @@ -108,7 +108,7 @@ TRACE_EVENT(nvme_setup_cmd, __entry->metadata = le64_to_cpu(cmd->common.metadata); __assign_disk_name(__entry->disk, req->rq_disk); memcpy(__entry->cdw10, &cmd->common.cdw10, - 6 * sizeof(__entry->cdw10)); + sizeof(__entry->cdw10)); ), TP_printk("nvme%d: %sqid=%d, cmdid=%u, nsid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)", __entry->ctrl_id, __print_disk_name(__entry->disk), -- cgit v1.2.3