linux-hardening - Re: [PATCH] block: Replace all non-returning strlcpy 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] [day] [month] [year] [list]

Message-Id: <168555010526.195181.15421490997743979443.b4-ty@kernel.dk>
Date:   Wed, 31 May 2023 10:21:45 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Azeem Shaikh <azeemshaikh38@...il.com>
Cc:     linux-hardening@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] block: Replace all non-returning strlcpy with strscpy


On Tue, 30 May 2023 15:56:08 +0000, Azeem Shaikh wrote:
> strlcpy() reads the entire source buffer first.
> This read may exceed the destination size limit.
> This is both inefficient and can lead to linear read
> overflows if a source string is not NUL-terminated [1].
> In an effort to remove strlcpy() completely [2], replace
> strlcpy() here with strscpy().
> No return values were used, so direct replacement is safe.
> 
> [...]

Applied, thanks!

[1/1] block: Replace all non-returning strlcpy with strscpy
      commit: 8e8fedab1194ef90e007636eb3d224c4f8e979a7

Best regards,
-- 
Jens Axboe