Re: [PATCH 1/1] perf/tool: fix read in event parsing

From: Arnaldo Carvalho de Melo
Date: Mon Mar 09 2020 - 09:31:16 EST


Em Sat, Mar 07, 2020 at 11:45:01AM +0100, Jiri Olsa escreveu:
> On Fri, Mar 06, 2020 at 11:31:21PM -0800, Ian Rogers wrote:
> > ADD_CONFIG_TERM accesses term->weak, however, in get_config_chgs this
> > value is accessed outside of the list_for_each_entry and references
> > invalid memory. Add an argument for ADD_CONFIG_TERM for weak and set it
> > to false in the get_config_chgs case.
> > This bug was cause by clang's address sanitizer and libfuzzer. It can be
> > reproduced with a command line of:
> > perf stat -a -e i/bs,tsc,L2/o
> >
> > Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
>
> nice catch
>
> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

Thanks, applied to perf/urgent.

- Arnaldo