linux-kernel - Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?

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: <20101115182627.GH2583@sunsite.ms.mff.cuni.cz>
Date:	Mon, 15 Nov 2010 19:26:27 +0100
From:	Jakub Jelinek <jakub@...hat.com>
To:	Jim Bos <jim876@...all.nl>
Cc:	Andi Kleen <andi@...stfloor.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	James Cloos <cloos@...loos.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andreas Schwab <schwab@...hat.com>,
	Michael Matz <matz@...e.de>,
	Dave Korn <dave.korn.cygwin@...il.com>,
	Richard Guenther <richard.guenther@...il.com>, gcc@....gnu.org
Subject: Re: gcc 4.5.1 / as 2.20.51.0.11 miscompiling drivers/char/i8k.c ?

On Mon, Nov 15, 2010 at 07:17:31PM +0100, Jim Bos wrote:
>  # gcc -v
> Reading specs from /usr/lib/gcc/i486-slackware-linux/4.5.1/specs
> COLLECT_GCC=gcc
> COLLECT_LTO_WRAPPER=/usr/libexec/gcc/i486-slackware-linux/4.5.1/lto-wrapper
> Target: i486-slackware-linux
> Configured with: ../gcc-4.5.1/configure --prefix=/usr --libdir=/usr/lib
> --mandir=/usr/man --infodir=/usr/info --enable-shared --enable-bootstrap
> --enable-languages=ada,c,c++,fortran,java,objc --enable-threads=posix
> --enable-checking=release --with-system-zlib
> --with-python-dir=/lib/python2.6/site-packages
> --disable-libunwind-exceptions --enable-__cxa_atexit --enable-libssp
> --with-gnu-ld --verbose --with-arch=i486 --target=i486-slackware-linux
> --build=i486-slackware-linux --host=i486-slackware-linux
> Thread model: posix
> gcc version 4.5.1 (GCC)

Does it have any patches applied?  The gcc options look the same as what
I've been already trying earlier.
Thus, can you run gcc with those options on i8k.i and add -fverbose-asm
to make it easier to read and post i8k.s you get?

	Jakub
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/