[Pkg-cups-devel] Bug#378860: Bug#378860: Cupsys daily segfaults: duplicate entry in printers.conf?

[Luc Dufresne]

Le mardi 29 avril 2008 à 22:26:36 (+0200), Martin Pitt a écrit :
> Can you please install those printers.conf, stop cupsd with
> 
>   /etc/init.d/cupsys stop
> 
> (as root), install the package cupsys-dbg, and then run cupsd under
> the debugger:
> 
>   gdb --args /usr/sbin/cupsd -f
> 
> (as root again). It should crash. Once you are back at the gdb prompt,
> please do
> 
>   bt full
> 
> to acquire a stack trace. Can you please copy&paste or attach it here?

gdb --args /usr/sbin/cupsd -f
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This GDB was configured as "x86_64-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".

(gdb) run
Starting program: /usr/sbin/cupsd -f
[Thread debugging using libthread_db enabled]
[New Thread 47515225578256 (LWP 9244)]

Program received signal SIGHUP, Hangup.
[Switching to Thread 47515225578256 (LWP 9244)]
0x00002b36ff911a45 in select () from /lib/libc.so.6
(gdb) c
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x00002b36ff8c2dff in strcasecmp () from /lib/libc.so.6
(gdb) bt full
#0  0x00002b36ff8c2dff in strcasecmp () from /lib/libc.so.6
No symbol table info available.
#1  0x00002b36ff35f845 in cupsArrayFind (a=0x5569d0, e=0x5742c0) at array.c:342
        current = 1
        diff = 0
#2  0x0000000000434258 in cupsdDeletePrinter (p=0x5742c0, update=<value optimized out>) at printers.c:639
        i = <value optimized out>
#3  0x00000000004342ad in cupsdDeleteAllPrinters () at printers.c:599
        p = (cupsd_printer_t *) 0x0
#4  0x00000000004170d5 in cupsdReadConfiguration () at conf.c:956
        type = <value optimized out>
        mimetype = '\0' <repeats 192 times>, "\n\000\000\000\000\000\000\000��������", '\0' <repeats 40 times>, "��������", '\0' <repeats 15 times>
        i = 1
        fp = <value optimized out>
        status = <value optimized out>
        temp = "/etc/cups\000cupsd.conf\000\000\000\000����\001\000\000\000\030D$\0007+\000\0000\235��6+\000\000\200\003\031��\177\000\000�\231��6+\000\0000\201��6+\000\000 U��6+\000\000\000\000\000\000\000\000\000\000X\201��6+\000\000�\vU\000\000\000\000\000��T\000\000\000\000\000�\003\031��\177\000\000�8\215�6+\000\000\021\025D\000\000\000\000\000�zc\000\000\000\000\000�zc\000\000\000\000\000 \005\002", '\0' <repeats 13 times>, "\220zc\000\000\000\000\000S�\032H\000\000\000\000p�T\000\000\000\000\000��T\000\000\000\000\000c\224\211"...
        slash = <value optimized out>
        language = <value optimized out>
        user = <value optimized out>
        group = dwarf2_read_address: Corrupted DWARF expression.
(gdb)