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| author | Ian Rogers <irogers@google.com> | 2025-09-14 11:24:37 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2025-10-02 15:02:47 -0300 |
| commit | 8dc364fa484df22d301a16148d1b356931d0cbb0 (patch) | |
| tree | a4ead39f5a56ce187c9a7ae480a20fef6eb42079 /tools/perf/scripts/python/stackcollapse.py | |
| parent | perf symbol-minimal: Be more defensive when reading build IDs (diff) | |
| download | linux-8dc364fa484df22d301a16148d1b356931d0cbb0.tar.gz linux-8dc364fa484df22d301a16148d1b356931d0cbb0.zip | |
libperf mmap: In user mmap rdpmc avoid undefined behavior
A shift left of a signed 64-bit s64 may overflow and result in
undefined behavior caught by ubsan. Switch to a u64 instead.
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.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>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions