[cups.bugs] [CRIT] STR #3816: ppdOpenFile crash on ubuntu 10.10
wenlong.feng
wenlong.feng at gmail.com
Fri Mar 18 08:49:50 PDT 2011
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[STR New]
source code:
#include <stdio.h>
#include <cups/cups.h>
#include <cups/ppd.h>
#include <pthread.h>
static pthread_mutex_t ppd_mutex = {0,0,0};
static void init_ppd(void* printer_name)
{
pthread_mutex_lock(&ppd_mutex);
const char* pfilename = cupsGetPPD((char*)printer_name);
ppd_file_t * ppdfile = ppdOpenFile(pfilename);
printf("%s : %lld\n", (char*)printer_name, ppdfile);
unlink(pfilename);
pthread_mutex_unlock(&ppd_mutex);
ppdClose(ppdfile);
}
ppd_file_t* pf[100];
int main()
{
cups_dest_t* dests;
int count = cupsGetDests( &dests);
int i=0,j=0,k=0;
pthread_t initThreads[100];
for(j=0; j<2; j++)
{
for(i=0; i<count; i++)
{
pthread_create(&initThreads[j*20+i], NULL, init_ppd, (void*)
dests[i].name);
}
}
sleep(10);
printf("exit well\n");
}
cups version:
dpkg -la | grep cups
ii bluez-cups 4.69-0ubuntu2
Bluetooth printer driver for CUPS
ii cups 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - server
ii cups-bsd 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - BSD commands
ii cups-client 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - client
programs (SysV)
ii cups-common 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - common files
ii cups-driver-gutenprint 5.2.6-0ubuntu8
printer drivers for CUPS
ii cups-ppdc 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - PPD
manipulation utilities
ii ghostscript-cups 8.71.dfsg.2-0ubuntu7
The GPL Ghostscript PostScript/PDF interpreter
- CUPS filters
ii hplip-cups 3.10.6-1ubuntu10.2
HP Linux Printing and Imaging - CUPS Raster
driver (hpcups)
ii libcups2 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - Core library
ii libcupscgi1 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - CGI library
ii libcupsdriver1 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - Driver
library
ii libcupsimage2 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - Raster image
library
ii libcupsmime1 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - MIME library
ii libcupsppdc1 1.4.4-6ubuntu2.3
Common UNIX Printing System(tm) - PPD
manipulation library
ii libgnomecups1.0-1 0.2.3-3build2
GNOME library for CUPS interaction
ii python-cups 1.9.51-0ubuntu2
Python bindings for CUPS
ii python-cupshelpers 1.2.3+20100723-0ubuntu8.1
crash stack
#0 0xb7e8b83e in ?? () from /lib/libc.so.6
#1 0xb7e8da85 in ?? () from /lib/libc.so.6
#2 0xb7e8ffc4 in malloc () from /lib/libc.so.6
#3 0xb7fa7fa6 in ?? () from /usr/lib/libcups.so.2
#4 0xb7fa8878 in ppdOpen2 () from /usr/lib/libcups.so.2
#5 0xb7fabd42 in ppdOpenFile () from /usr/lib/libcups.so.2
#6 0x080487df in init_ppd ()
#7 0xb7e09cc9 in start_thread () from /lib/libpthread.so.0
#8 0xb7eef69e in clone () from /lib/libc.so.6
Link: http://www.cups.org/str.php?L3816
Version: 1.4.4
Attachment: http://www.cups.org/strfiles/3816/cups.tgz
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