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authorIan Rogers <irogers@google.com>2023-07-27 17:12:10 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-08-03 17:01:24 -0300
commitc76a1444c00ea6900a5e7d10065d6e93b0e104f9 (patch)
treea189fb7b936bbbc1e446fd75043e5f1c80bcabaf /tools/perf/util
parentc7e97f215a4ad634b746804679f5937d25f77e29 (diff)
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perf parse-event: Avoid BPF test SEGV
loc is passed as NULL in tools/perf/tests/bpf.c do_test, meaning errors trigger a SEGV when trying to access. Add the missing NULL check. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Eduard Zingerman <eddyz87@gmail.com> Cc: He Kuang <hekuang@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rob Herring <robh@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Cc: Wang ShaoBo <bobo.shaobowang@huawei.com> Cc: YueHaibing <yuehaibing@huawei.com> Cc: bpf@vger.kernel.org Link: https://lore.kernel.org/r/20230728001212.457900-2-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r--tools/perf/util/parse-events.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index acddb2542b1a..e17e96b4f798 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -757,7 +757,7 @@ int parse_events_load_bpf_obj(struct parse_events_state *parse_state,
return 0;
errout:
- parse_events_error__handle(parse_state->error, param.loc->first_column,
+ parse_events_error__handle(parse_state->error, param.loc ? param.loc->first_column : 0,
strdup(errbuf), strdup("(add -v to see detail)"));
return err;
}