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From: Corey Minyard <corey@minyard.net>
To: Ashutosh Yadav <yadavxashutosh@gmail.com>
Cc: openipmi-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] char: ipmi: Replace deprecated strcpy with strscpy
Date: Thu, 1 Oct 2026 17:14:58 -0500	[thread overview]
Message-ID: <ar7bYpNQEj_4vv1t@mail.minyard.net> (raw)
In-Reply-To: <20261001172209.52028-1-yadavxashutosh@gmail.com>

On Thu, Oct 01, 2026 at 10:52:09PM +0530, Ashutosh Yadav wrote:
> strcpy() has been deprecated because it is generally unsafe and can lead
> to buffer overflows. It is actively being removed from the kernel.
> 
> In action_op() and preop_op() (and related functions), strings are copied
> into fixed-size buffers. Replace the strcpy() calls with strscpy() using
> the sizeof() the destination buffers to guarantee NUL-termination and
> prevent any potential bounds issues, ensuring compliance with safe string
> APIs.

Applied, thank you.

-corey

> 
> Link: https://github.com/KSPP/linux/issues/88
> Signed-off-by: Ashutosh Yadav <yadavxashutosh@gmail.com>
> ---
>  drivers/char/ipmi/ipmi_watchdog.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
> index a013ddbf1466..79d4958df6ef 100644
> --- a/drivers/char/ipmi/ipmi_watchdog.c
> +++ b/drivers/char/ipmi/ipmi_watchdog.c
> @@ -1166,13 +1166,13 @@ static int action_op(const char *inval, char *outval)
>  	int rv;
>  
>  	if (outval)
> -		strcpy(outval, action);
> +		strscpy(outval, action, sizeof(action));
>  
>  	if (!inval)
>  		return 0;
>  	rv = action_op_set_val(inval);
>  	if (!rv)
> -		strcpy(action, inval);
> +		strscpy(action, inval, sizeof(action));
>  	return rv;
>  }
>  
> @@ -1198,13 +1198,13 @@ static int preaction_op(const char *inval, char *outval)
>  	int rv;
>  
>  	if (outval)
> -		strcpy(outval, preaction);
> +		strscpy(outval, preaction, sizeof(preaction));
>  
>  	if (!inval)
>  		return 0;
>  	rv = preaction_op_set_val(inval);
>  	if (!rv)
> -		strcpy(preaction, inval);
> +		strscpy(preaction, inval, sizeof(preaction));
>  	return 0;
>  }
>  
> @@ -1226,14 +1226,14 @@ static int preop_op(const char *inval, char *outval)
>  	int rv;
>  
>  	if (outval)
> -		strcpy(outval, preop);
> +		strscpy(outval, preop, sizeof(preop));
>  
>  	if (!inval)
>  		return 0;
>  
>  	rv = preop_op_set_val(inval);
>  	if (!rv)
> -		strcpy(preop, inval);
> +		strscpy(preop, inval, sizeof(preop));
>  	return 0;
>  }
>  
> -- 
> 2.43.0
> 

      reply	other threads:[~2026-10-01 22:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-01 17:22 Ashutosh Yadav
2026-10-01 22:14 ` Corey Minyard [this message]

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