linux-kernel - Re: kallsyms broken on ARM by commit 17b1f0d

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: <8bd0f97a0906150551o6de9a29fj64f73d4ccfff7e57@mail.gmail.com>
Date:	Mon, 15 Jun 2009 08:51:50 -0400
From:	Mike Frysinger <vapier.adi@...il.com>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	Sam Ravnborg <sam@...nborg.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: kallsyms broken on ARM by commit 17b1f0d

On Mon, Jun 15, 2009 at 08:47, Catalin Marinas wrote:
> With the above commit, kallsyms on ARM no longer show correct
> information. That's a trace with this commit:
>
>    [<c007bfec>] _etext+0xffd9bfec/0x126d8
>    [<c00795e4>] _etext+0xffd995e4/0x126d8
>    [<c0147d94>] _etext+0xffe67d94/0x126d8
>    [<c0147f10>] _etext+0xffe67f10/0x126d8
>    [<c01481bc>] _etext+0xffe681bc/0x126d8
>    [<c0148218>] _etext+0xffe68218/0x126d8
>    [<c0143db0>] _etext+0xffe63db0/0x126d8
>    [<c0143e18>] _etext+0xffe63e18/0x126d8
>    [<c007f250>] _etext+0xffd9f250/0x126d8
>    [<c007c238>] _etext+0xffd9c238/0x126d8
>    [<c007c2b8>] _etext+0xffd9c2b8/0x126d8
>    [<c0023dc0>] _etext+0xffd43dc0/0x126d8
>
> and with the commit reverted:
>
>    [<c007bfec>] kmemleak_alloc+0x14c/0x260
>    [<c00795e4>] kmem_cache_alloc+0xd4/0x108
>    [<c0147d94>] tty_ldisc_try_get+0x18/0xb0
>    [<c0147f10>] tty_ldisc_get+0x18/0x40
>    [<c01481bc>] tty_ldisc_reinit+0x28/0x5c
>    [<c0148218>] tty_ldisc_release+0x28/0x3c
>    [<c0143db0>] tty_release_dev+0x3cc/0x428
>    [<c0143e18>] tty_release+0xc/0x14
>    [<c007f250>] __fput+0x104/0x1c4
>    [<c007c238>] filp_close+0x70/0x7c
>    [<c007c2b8>] sys_close+0x74/0xa8
>    [<c0023dc0>] ret_fast_syscall+0x0/0x28
>
> Any idea what went wrong? I haven't looked at your commit in detail.

try this patch (Gentoo mail server is broken atm, so attaching)
-mike

Download attachment "0001-kallsyms-fix-inverted-valid-symbol-checking.patch" of type "application/octet-stream" (965 bytes)