Bug#285281: core dump on amd64 (gcc-3.4)

[md@Linux.IT (Marco d'Itri)]

clsdev->directory is NULL, is this a bug in libsysfs or udev?
Apparently this only happens on amd64.

----- Forwarded message from martin-deb@zero-based.org -----

Subject: Bug#285281: core dump on amd64 (gcc-3.4)
Reply-To: martin-deb@zero-based.org, 285281@bugs.debian.org
From: martin-deb@zero-based.org
To: 285281@bugs.debian.org
Cc: Harald Dunkel <harald.dunkel@t-online.de>

On Sun, Dec 12, 2004 at 11:27:48AM +0100, Marco d'Itri wrote:
> On Dec 12, Harald Dunkel <harald.dunkel@t-online.de> wrote:
> 
> > There seems to be something wrong with udev at least on
> > amd64 (gcc-3.4).
>
> Please do your best to get a stack trace, possibly from the unstripped
> binary.

I see the same behavior on amd64 with gcc-3.3. Here is a stacktrace:


GNU gdb 6.3-debian
[...]

Core was generated by `udev vc'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /lib/libc.so.6...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/ld-linux-x86-64.so.2...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
#0  0x0000000000403024 in sysfs_get_classdev_attr (clsdev=0x518260, name=0x40dcac "dev") at libsysfs/sysfs_class.c:643
643             if (clsdev->directory->subdirs = NULL) 
(gdb) backtrace
#0  0x0000000000403024 in sysfs_get_classdev_attr (clsdev=0x518260, name=0x40dcac "dev") at libsysfs/sysfs_class.c:643
#1  0x000000000040904e in get_major_minor (class_dev=0x0, udev=0x7fbffff330) at udev_add.c:57
#2  0x0000000000409874 in udev_add_device (udev=0x7fbffff330, class_dev=0x518260) at udev_add.c:287
#3  0x0000000000402009 in main (argc=2, argv=0x7fbffffdb8, envp=0x0) at udev.c:197
(gdb) print *clsdev
$1 = {name = "vcs1", '\0' <repeats 45 times>, classname = "vc", '\0' <repeats 47 times>, 
  path = "/sys/class/vc/vcs1", '\0' <repeats 236 times>, parent = 0x0, sysdevice = 0x0, driver = 0x0, directory = 0x0}


Martin

----- End forwarded message -----

-- 
ciao, |
Marco | [9803 vebcDBN29Lxms]


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