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| author | Josh Stone <jistone@redhat.com> | 2009-09-03 14:31:02 -0700 |
|---|---|---|
| committer | Josh Stone <jistone@redhat.com> | 2009-09-03 14:31:02 -0700 |
| commit | 06e0b6262393b095a33e9cc6e7ab7bc5d4fe9c95 (patch) | |
| tree | 8029267099eec7bd898e6532bf6152c8b946f8ba /runtime/task_finder.c | |
| parent | b969d16b2986a491eb37706e09da888d9914a7dd (diff) | |
| parent | d0822e28934cd0387c2af4349cf52c52c368c55a (diff) | |
| download | systemtap-steved-06e0b6262393b095a33e9cc6e7ab7bc5d4fe9c95.tar.gz systemtap-steved-06e0b6262393b095a33e9cc6e7ab7bc5d4fe9c95.tar.xz systemtap-steved-06e0b6262393b095a33e9cc6e7ab7bc5d4fe9c95.zip | |
Merge branch 'master' of sourceware.org:/git/systemtap
Diffstat (limited to 'runtime/task_finder.c')
| -rw-r--r-- | runtime/task_finder.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/runtime/task_finder.c b/runtime/task_finder.c index ca807020..fb6dc20d 100644 --- a/runtime/task_finder.c +++ b/runtime/task_finder.c @@ -753,6 +753,18 @@ __stp_utrace_attach_match_filename(struct task_struct *tsk, /* Notice that "pid == 0" (which means to probe all * threads) falls through. */ +#ifndef STP_PRIVILEGED + /* Make sure unprivileged users only probe their own threads. */ + if (_stp_uid != tsk->euid) { + if (tgt->pid != 0) { + _stp_warn("Process %d does not belong to unprivileged user %d", + tsk->pid, _stp_uid); + } + continue; + } +#endif + + // Set up events we need for attached tasks. When // register_p is set, we won't actually call the // callbacks here - we'll call it when the thread gets @@ -1414,6 +1426,17 @@ stap_start_task_finder(void) /* Notice that "pid == 0" (which means to * probe all threads) falls through. */ +#ifndef STP_PRIVILEGED + /* Make sure unprivileged users only probe their own threads. */ + if (_stp_uid != tsk->euid) { + if (tgt->pid != 0) { + _stp_warn("Process %d does not belong to unprivileged user %d", + tsk->pid, _stp_uid); + } + continue; + } +#endif + // Set up events we need for attached tasks. rc = __stp_utrace_attach(tsk, &tgt->ops, tgt, __STP_ATTACHED_TASK_EVENTS, |