netdev - Re: [PATCH net v2] sctp: Fix a big endian bug in sctp_diag

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] [day] [month] [year] [list]

Date:   Tue, 26 Sep 2017 21:17:58 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     dan.carpenter@...cle.com
Cc:     vyasevich@...il.com, lucien.xin@...il.com, nhorman@...driver.com,
        linux-sctp@...r.kernel.org, netdev@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH net v2] sctp: Fix a big endian bug in sctp_diag_dump()

From: Dan Carpenter <dan.carpenter@...cle.com>
Date: Mon, 25 Sep 2017 13:19:26 +0300

> The sctp_for_each_transport() function takes an pointer to int.  The
> cb->args[] array holds longs so it's only using the high 32 bits.  It
> works on little endian system but will break on big endian 64 bit
> machines.
> 
> Fixes: d25adbeb0cdb ("sctp: fix an use-after-free issue in sctp_sock_dump")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
> ---
> v2: The v1 patch changed the function to take a long pointer, but v2
>     just changes the caller.

Applied, thanks.