Red Hat Bugzilla – Bug 447200
cups has a segmentation violation when banners are selected
Last modified: 2008-07-08 22:51:41 EDT
From Bugzilla Helper: User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_5_2; en-us) AppleWebKit/525.18 (KHTML, like Gecko) Version/3.1.1 Safari/525.18 Description of problem: Printing security related banner pages crashes cups. May 18 10:38:10 comms kernel: cupsd[2544]: segfault at 3768 ip b801a9c8 sp bff4bd20 error 4 in cupsd[b7ff5000+64000] May 18 10:40:18 comms kernel: cupsd[3894]: segfault at 3768 ip b7f549c8 sp bfd87790 error 4 in cupsd[b7f2f000+64000] May 18 10:41:47 comms kernel: cupsd[4183]: segfault at 3768 ip b7f529c8 sp bfb83540 error 4 in cupsd[b7f2d000+64000] Version-Release number of selected component (if applicable): cups-1.3.7-2.fc9.i386 How reproducible: Always Steps to Reproduce: 1. system-config-printer 2. specify mls or selinux banner page 3. apply 4. print test page Actual Results: /var/log/messages shows cups segfault Expected Results: Banner page :) Additional info: Running current SELinux MLS policy cups-libs-1.3.7-2.fc9.i386 cups-1.3.7-2.fc9.i386 cups-devel-1.3.7-2.fc9.i386
I haven't been able to reproduce this problem. Please enable cupsd debugging like this: service cups restartlog cupsctl --debug-logging and try again. When cupsd segfaults again, please attach the /var/log/cups/error_log file to this bug report. Thanks.
Created attachment 306858 [details] cups error log
Thanks, problem understood. Working on a solution.
cups-1.3.7-3.fc9 has been submitted as an update for Fedora 9
copy_banner is being called with the first parameter as NULL, copy_banner does not check for this. 0xb8098ad8 in copy_banner (con=0x0, job=0xb9057868, name=0xb9025160 "classified") at ipp.c:4285 4285 if (strncmp(con->scon, UNKNOWN_SL, strlen(UNKNOWN_SL)) != 0) Missing separate debuginfos, use: debuginfo-install cups.i386 (gdb) p con $1 = (cupsd_client_t *) 0x0 (gdb) where #0 0xb8098ad8 in copy_banner (con=0x0, job=0xb9057868, name=0xb9025160 "classified") at ipp.c:4285 #1 0xb80996c8 in cupsdTimeoutJob (job=0xb9057868) at ipp.c:792 #2 0xb809d37d in print_job (con=0xb9053e40, uri=0xb90576b0) at ipp.c:8006 #3 0xb80abc22 in cupsdProcessIPPRequest (con=0xb9053e40) at ipp.c:502 #4 0xb80857fc in cupsdReadClient (con=0xb9053e40) at client.c:2253 #5 0xb80bfab2 in cupsdDoSelect (timeout=1) at select.c:537 #6 0xb8096aa4 in main (argc=2, argv=0xbf9d61d4) at main.c:817 792 if ((kbytes = copy_banner(NULL, job, attr->values[1].string.text)) < 0
cups-1.3.7-5.fc9 has been pushed to the Fedora 9 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update cups'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F9/FEDORA-2008-4744
cups-1.3.7-6.fc9 has been pushed to the Fedora 9 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update cups'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F9/FEDORA-2008-4744
cups-1.3.7-3.fc8 has been submitted as an update for Fedora 8
cups-1.3.7-7.fc9 has been pushed to the Fedora 9 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update cups'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F9/FEDORA-2008-4744
cups-1.3.7-8.fc9 has been pushed to the Fedora 9 stable repository. If problems still persist, please make note of it in this bug report.
cups-1.3.7-4.fc8 has been pushed to the Fedora 8 stable repository. If problems still persist, please make note of it in this bug report.