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authorJiri Olsa <jolsa@kernel.org>2015-10-05 21:06:03 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-10-05 22:15:38 +0300
commit5ec4502d774699194952209ff3ebe65d2472e15a (patch)
treed9e65be61aa19f74e2ddb762fc4c6ecc7f074556
parent84422592e58f6f1ea03688fcf92143bbc095fa88 (diff)
downloadlinux-5ec4502d774699194952209ff3ebe65d2472e15a.tar.xz
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>
-rw-r--r--tools/perf/util/annotate.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/annotate.h b/tools/perf/util/annotate.h
index e9996092a093..cea323d9ee7e 100644
--- a/tools/perf/util/annotate.h
+++ b/tools/perf/util/annotate.h
@@ -122,7 +122,7 @@ struct annotated_source {
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];
};