linux-kernel - Re: 2.6.23-rc8-mm2: BUG near reiserfs_xattr

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:	Thu, 27 Sep 2007 12:48:33 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Laurent Riffard <laurent.riffard@...e.fr>
Cc:	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	reiserfs-devel@...r.kernel.org, Dave Hansen <haveblue@...ibm.com>
Subject: Re: 2.6.23-rc8-mm2: BUG near reiserfs_xattr_set

On Thu, 27 Sep 2007 21:18:55 +0200
Laurent Riffard <laurent.riffard@...e.fr> wrote:

> Le 27.09.2007 11:22, Andrew Morton a écrit :
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23-rc8/2.6.23-rc8-mm2/
> 
> I've got this BUG a few seconds after I logged in into Gnome desktop :
> 
> [partially hand copied BUG]
> BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
> printing eip: c016f55e *pde=0b8a5067 *pte=00000000
> Oops: 0002 [#1] PREEMPT
> ...
> Process beagled...
> ...
> Call Trace:
>  __fput+0x124/0x1a9
>  fput+0x31/0x35
>  reiserfs_xattr_set+0x291/0x2b0 [reiserfs]
>  user_set+0x4c/0x57 [reiserfs]
>  reiserfs_setxattr+0x81/0xf1 [reiserfs]
>  vfs_setxattr+0x7d/0xfa
>  setxattr+0xb9/0xd1
>  sys_lsetxattr+0x4c/0x85
>  sysenter_past_esp+0x57/0x85
> 
> EIP: mnt_drop_write+0x5b/0x9d
> 

Hi, Dave!

> It's fully reproducible.
> 
> /home is mounted with the following options:
>    /dev/mapper/vglinux1-lvhome on /home type reiserfs (rw,noatime,nodiratime,user_xattr)
> 
> This BUG happened with rc8-mm1 too.
> rc6-mm1 works fine.
> I didn't try rc7-mm1.
> 
> .config attached.
> ~~
> laurent
> 
-
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/