netdev - Re: [PATCH iproute2] ip: xfrm: add NUL character to security context name before printing

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: Windows password security audit tool. GUI, reports in PDF.

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

Message-ID: <YEYK1IlIo39aZLT4@hog>
Date:   Mon, 8 Mar 2021 12:30:28 +0100
From:   Sabrina Dubroca <sd@...asysnail.net>
To:     netdev@...r.kernel.org
Cc:     dsahern@...il.com, stephen@...workplumber.org,
        Paul Wouters <pwouters@...hat.com>
Subject: Re: [PATCH iproute2] ip: xfrm: add NUL character to security context
 name before printing

Hi Stephen/David,

2021-02-16, 17:50:58 +0100, Sabrina Dubroca wrote:
> Security context names are not guaranteed to be NUL-terminated by the
> kernel, so we can't just print them using %s directly. The length of
> the string is capped by the size of the netlink attribute (u16), so it
> will always fit within 65535 bytes.
> 
> While at it, factor that out to a separate function, since the exact
> same code is used to print the security context for both policies and
> states.

This patch ended up with "Changes Requested" in patchwork [1], even though
there has been no reply to it. Do I need to resend it?

[1] https://patchwork.kernel.org/project/netdevbpf/patch/11af39932b3896cf1a560059bcbd24194e7f33bd.1613473397.git.sd@queasysnail.net/

Thanks,

-- 
Sabrina