linux-kernel - Re: namei_vfat.c array subscript is above array bounds

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Message-ID: <871sprpj32.fsf@devron>
Date:   Sat, 08 Jul 2017 14:56:49 +0900
From:   OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>
To:     Meelis Roos <mroos@...ux.ee>
Cc:     Linux Kernel list <linux-kernel@...r.kernel.org>
Subject: Re: namei_vfat.c array subscript is above array bounds

Meelis Roos <mroos@...ux.ee> writes:

>> > I do not know if this is old or new, just noticed it scrolling by while 
>> > compiling current 4.12+git on 32-bit x86.
>> 
>> Which version of compiler?
>
> gcc version 6.4.0 20170704 (Debian 6.4.0-1)
>
> After "touch fs/fat/namei_vfat.c" it appears consitently for me. Debian 
> unstable, up to date.

Tried with same gcc version, I can't still reproduce it. Possible
difference is, I'm using x86_64 gcc with ARCH=i386 (-m32).

$ md5sum fs/fat/namei_vfat.c arch/x86/include/asm/string*
d8994e21f6ebc27f89b30a2532b0bc1d  fs/fat/namei_vfat.c
e174dd82e3956479e76f2b78ba397287  arch/x86/include/asm/string.h
662b134b5adb0919ea23e95752a18290  arch/x86/include/asm/string_32.h
b91bcf192dcde29933275f0901e5dac5  arch/x86/include/asm/string_64.h

Source is same with above?
-- 
OGAWA Hirofumi <hirofumi@...l.parknet.co.jp>