Em Mon, Sep 16, 2019 at 01:44:40AM +0900, Masami Hiramatsu escreveu:
> Since add_probe_trace_event() can reuse tf->tevs[i] after
> calling clear_probe_trace_event(), this can make perf-probe
> crash if the 1st attempt of probe event finding fails to find
> an event argument, and the 2nd attempt
Since add_probe_trace_event() can reuse tf->tevs[i] after
calling clear_probe_trace_event(), this can make perf-probe
crash if the 1st attempt of probe event finding fails to find
an event argument, and the 2nd attempt fails to find probe point.
E.g.
$ perf probe -D "task_pid_nr tsk"
Failed
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