Messages in this thread | | | Date | Thu, 12 Apr 2018 09:53:38 +0200 | From | Ingo Molnar <> | Subject | Re: perf: fuzzer leads to trace_kprobe: Could not insert message flood |
| |
* Song Liu <songliubraving@fb.com> wrote:
> diff --git a/kernel/events/core.c b/kernel/events/core.c > index d7af828..2d5fe26 100644 > --- a/kernel/events/core.c > +++ b/kernel/events/core.c > @@ -8400,6 +8400,10 @@ static int perf_kprobe_event_init(struct perf_event *event) > > if (event->attr.type != perf_kprobe.type) > return -ENOENT; > + > + if (!capable(CAP_SYS_ADMIN)) > + return -EACCES; > + > /* > * no branch sampling for probe events > */ > @@ -8437,6 +8441,10 @@ static int perf_uprobe_event_init(struct perf_event *event) > > if (event->attr.type != perf_uprobe.type) > return -ENOENT; > + > + if (!capable(CAP_SYS_ADMIN)) > + return -EACCES;
This is seriously whitespace damaged: all tabs are spaces ...
Thanks,
Ingo
| |