[Bug testsuite/21889] New: kernel bpf stress test

fche at redhat dot com sourceware-bugzilla@sourceware.org
Wed Aug 2 18:19:00 GMT 2017


https://sourceware.org/bugzilla/show_bug.cgi?id=21889

            Bug ID: 21889
           Summary: kernel bpf stress test
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: systemtap at sourceware dot org
          Reporter: fche at redhat dot com
  Target Milestone: ---

As per bug #2725, we know kernel kprobes have had a history of imperfect
robustness.  With the bpf backend, we can & should try that again, namely to
check whether the kernel's kprobes + bpf interpreter can survive large
wildcards, longer operations, probe-read memory accesses.  Stuff that should be
harmless, were it not for bugs.

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