linux-kernel - Re: [PATCH v2 1/2] soc: qcom: cmd-db: replace strncpy() with strscpy

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <ec29b0be-c388-dc3d-a169-acc719e8cefc@linaro.org>
Date:   Mon, 20 Jun 2022 20:38:30 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Stephen Boyd <sboyd@...nel.org>
Subject: Re: [PATCH v2 1/2] soc: qcom: cmd-db: replace strncpy() with
 strscpy_pad()

On 19/05/2022 09:33, Krzysztof Kozlowski wrote:
> The use of strncpy() is considered deprecated for NUL-terminated
> strings[1].  Replace strncpy() with strscpy_pad(), to keep existing
> pad-behavior of strncpy.  This fixes W=1 warning:
> 
>   drivers/soc/qcom/cmd-db.c: In function ‘cmd_db_get_header.part.0’:
>   drivers/soc/qcom/cmd-db.c:151:9: warning: ‘strncpy’ specified bound 8 equals destination size [-Wstringop-truncation]
>     151 |         strncpy(query, id, sizeof(query));
> 
> [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strncpy-on-nul-terminated-strings
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> Reviewed-by: Stephen Boyd <sboyd@...nel.org>

Any comments on the set?

Best regards,
Krzysztof