Bug#629611: xserver-xorg: reproducible X server segfault

2011-11-05 Thread Michel Dänzer
On Sam, 2011-11-05 at 01:23 +0100, Julien Cristau wrote: > > Michel, would this make sense, to avoid calling CopyArea for an XYBitMap > image? > > diff --git a/Xext/shm.c b/Xext/shm.c > index a6f804c..223935e 100644 > --- a/Xext/shm.c > +++ b/Xext/shm.c > @@ -498,7 +498,7 @@ doShmPutImage(Drawab

Bug#629611: xserver-xorg: reproducible X server segfault

2011-11-04 Thread Julien Cristau
On Wed, Nov 2, 2011 at 17:58:23 -0500, pac...@kosh.dhis.org wrote: > I'm including here an updated version of the bug demonstration program. It > now reliably segfaults every X server I can find. (That's not a lot of them > since I haven't looked outside Debian stable.) > > It does the same basi

Bug#629611: xserver-xorg: reproducible X server segfault

2011-11-02 Thread pacman
I'm including here an updated version of the bug demonstration program. It now reliably segfaults every X server I can find. (That's not a lot of them since I haven't looked outside Debian stable.) It does the same basic operations as the previous test program in its bug-triggering mode, but allow

Bug#629611: xserver-xorg: reproducible X server segfault

2011-11-01 Thread Julien Cristau
On Tue, Nov 1, 2011 at 06:08:51 -0500, pac...@kosh.dhis.org wrote: > I have a few things to update relating to the bug investigation. > > In the previous message I wrote: > > Still no server crashes in any case. > > I got another server crash just now. I just wasn't using a big enough image > y

Bug#629611: xserver-xorg: reproducible X server segfault

2011-10-31 Thread pacman
Julien Cristau writes: > > On Sun, Oct 30, 2011 at 20:02:43 -0500, pac...@kosh.dhis.org wrote: > > > Disable "dri" > > Disable "dri2" > > Any particular reason you're doing this? Because I've read the security document[1]. There's a lot of scary stuff in there. [1] http://dri.sourcefor

Bug#629611: xserver-xorg: reproducible X server segfault

2011-10-31 Thread Julien Cristau
On Sun, Oct 30, 2011 at 20:02:43 -0500, pac...@kosh.dhis.org wrote: > Disable "dri" > Disable "dri2" Any particular reason you're doing this? Is the bug reproducible when using EXA instead of XAA (enabling DRI should do that, I think, or using the AccelMethod option in the Device sec

Bug#629611: xserver-xorg: reproducible X server segfault

2011-10-30 Thread pacman
Julien Cristau writes: > > On Tue, Jun 7, 2011 at 23:56:08 -0500, Alan Curry wrote: > > > Xorg X server configuration file status: > > > > -rw--- 1 root root 3981 Feb 8 22:05 /etc/X11/xorg.conf > > > > Contents of /etc/X11/xorg.conf: > > ---

Bug#629611: xserver-xorg: reproducible X server segfault

2011-10-30 Thread Julien Cristau
On Tue, Jun 7, 2011 at 23:56:08 -0500, Alan Curry wrote: > Xorg X server configuration file status: > > -rw--- 1 root root 3981 Feb 8 22:05 /etc/X11/xorg.conf > > Contents of /etc/X11/xorg.conf: > --- Please attach that f

Bug#629611: xserver-xorg: reproducible X server segfault

2011-06-08 Thread pacman
Cyril Brulebois writes: > > thanks for the test case, even though I can't reproduce it. A full > backtrace might be nice: > http://pkg-xorg.alioth.debian.org/howto/use-gdb.html Here's what I got from that. (gdb) bt full #0 0x0fb028bc in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/lin

Bug#629611: xserver-xorg: reproducible X server segfault

2011-06-08 Thread Cyril Brulebois
Hi, Alan Curry (07/06/2011): > I found an easy way to crash the X server: view a 1bpp image with xli, and > increase the size with the '>' key a few times. > > After the first resize, there's a small area of junk on the screen, to > the left of the xli window. The junk area increases roughly in

Bug#629611: xserver-xorg: reproducible X server segfault

2011-06-07 Thread Alan Curry
Package: xserver-xorg Version: 1:7.5+8 Severity: normal I found an easy way to crash the X server: view a 1bpp image with xli, and increase the size with the '>' key a few times. After the first resize, there's a small area of junk on the screen, to the left of the xli window. The junk area incre