linux-kernel - [RFC v1 2/4] nvmet-trace: null terminate device name string correctly

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Date:   Tue, 29 Aug 2023 11:13:47 +0200
From:   Daniel Wagner <dwagner@...e.de>
To:     linux-nvme@...ts.infradead.org
Cc:     linux-kernel@...r.kernel.org, Hannes Reinecke <hare@...e.de>,
        Sagi Grimberg <sagi@...mberg.me>,
        Jason Gunthorpe <jgg@...pe.ca>,
        James Smart <james.smart@...adcom.com>,
        Chaitanya Kulkarni <kch@...dia.com>,
        Christoph Hellwig <hch@....de>, Daniel Wagner <dwagner@...e.de>
Subject: [RFC v1 2/4] nvmet-trace: null terminate device name string correctly

Signed-off-by: Daniel Wagner <dwagner@...e.de>
---
 drivers/nvme/target/trace.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/nvme/target/trace.h b/drivers/nvme/target/trace.h
index 6997bd7e45cf..9ba466b49613 100644
--- a/drivers/nvme/target/trace.h
+++ b/drivers/nvme/target/trace.h
@@ -55,8 +55,8 @@ static inline void __assign_req_name(char *name, struct nvmet_req *req)
 		return;
 	}
 
-	strncpy(name, req->ns->device_path,
-		min_t(size_t, DISK_NAME_LEN, strlen(req->ns->device_path)));
+	strscpy(name, req->ns->device_path,
+		min_t(size_t, DISK_NAME_LEN, strlen(req->ns->device_path) + 1));
 }
 #endif
 
-- 
2.41.0