perf annotate: Fix sizeof_sym_hist overflow issue
The annotated_source::sizeof_sym_hist could easily overflow int size,
resulting in crash in __symbol__inc_addr_samples.
Changing its type int size_t as was probably intended from beginning
based on the initialization code in symbol__alloc_hist.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Don Zickus <dzickus@redhat.com>
Cc: Kan Liang <kan.liang@intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1444068369-20978-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index e999609..cea323d 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -122,7 +122,7 @@
struct list_head source;
struct source_line *lines;
int nr_histograms;
- int sizeof_sym_hist;
+ size_t sizeof_sym_hist;
struct cyc_hist *cycles_hist;
struct sym_hist histograms[0];
};