diff options
| author | Ian Rogers <irogers@google.com> | 2020-03-25 09:40:22 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2020-03-26 11:03:53 -0300 |
| commit | 2a3d252dffe14582f238e21b09923e3772263123 (patch) | |
| tree | cb67cbb3ee36130d7f5f7744bcd306613f173056 /net/8021q | |
| parent | eadcaa3dfd706bbf46682c8b8b5979262443c3c3 (diff) | |
perf parse-events: Add defensive NULL check
Terms may have a NULL config in which case a strcmp will SEGV. This can
be reproduced with:
perf stat -e '*/event=?,nr/' sleep 1
Add a NULL check to avoid this. This was caught by LLVM's libfuzzer.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
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: Stephane Eranian <eranian@google.com>
Cc: clang-built-linux@googlegroups.com
Link: http://lore.kernel.org/lkml/20200325164022.41385-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'net/8021q')
0 files changed, 0 insertions, 0 deletions