linux-kernel - Re: [PATCH bpf v7 1/2] lib/strncpy_from_user.c: Don't overcopy bytes after NUL terminator

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]

Date:   Tue, 17 Nov 2020 12:14:07 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Daniel Xu <dxu@...uu.xyz>
Cc:     bpf <bpf@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Song Liu <songliubraving@...com>,
        Andrii Nakryiko <andrii.nakryiko@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Kernel Team <kernel-team@...com>
Subject: Re: [PATCH bpf v7 1/2] lib/strncpy_from_user.c: Don't overcopy bytes
 after NUL terminator

On Tue, Nov 17, 2020 at 12:05 PM Daniel Xu <dxu@...uu.xyz> wrote:
>
> This commit uses the proper word-at-a-time APIs to avoid overcopying.

that part of the commit log is no longer correct. I can fix it up while applying
if Linus doesn't have an issue with the rest.