Description of problem: When tracing trivial programs with "strace -c" and patch from #143365 not applied, call_summary() may call qsort() with unallocated counts[] array which leads to segfault. Version-Release number of selected component (if applicable): strace-4.5.8 Steps to Reproduce: Actual results: Assuming that /bin/true is trivial program which does just _exit(0) $ strace -c /bin/true Segmentation fault Expected results: $ strace -c /bin/true % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ---------------- ------ ----------- ----------- --------- --------- ---------------- 100.00 0.000000 0 total
Created attachment 108869 [details] strace-4.5.8-alt-call_summary.patch Proposed patch.
I put the patch in.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2005-131.html