linux-kernel - Re: [bug][6.1] Enable run-time checking of dynamic memcpy() and memmove() lengths causes warning on every boot at net/wireless/wext-core.c:623 (size 4)

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]

Date:   Mon, 10 Oct 2022 09:45:18 +0200
From:   Johannes Berg <johannes@...solutions.net>
To:     Mikhail Gavrilov <mikhail.v.gavrilov@...il.com>,
        Linux List Kernel Mailing <linux-kernel@...r.kernel.org>,
        linville@...driver.com, Kees Cook <keescook@...omium.org>,
        Linux List Kernel Mailing <linux-wireless@...r.kernel.org>
Subject: Re: [bug][6.1] Enable run-time checking of dynamic memcpy() and
 memmove() lengths causes warning on every boot at
 net/wireless/wext-core.c:623 (size 4)

On Sun, 2022-10-09 at 16:39 +0500, Mikhail Gavrilov wrote:
> Hi!
> Enable run-time checking of dynamic memcpy() and memmove() lengths
> causes warning on every boot:
> [   19.544552] ------------[ cut here ]------------
> [   19.545634] memcpy: detected field-spanning write (size 16) of
> single field "&compat_event->pointer" at net/wireless/wext-core.c:623
> (size 4)
> 

https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=e3e6e1d16a4cf7b63159ec71774e822194071954


johannes