Public bug reported:
Binary package hint: cups
calling ppdOpenFile in below simple application will crash, printer
configure files provided.
#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");
}
** Affects: cups (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/736719
Title:
ppdOpenFile crash on ubuntu 10.10
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