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(parent: 6830e20) | patch
perf header: Sanity check HEADER_CACHE
authorArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 10 Apr 2026 22:09:01 +0000 (19:09 -0300)
committerNamhyung Kim <namhyung@kernel.org>
Tue, 14 Apr 2026 06:21:53 +0000 (23:21 -0700)
commit110a661708a6a90997442f02f261e2043624a1c8
tree5258619413efb2e119df78dabd6b876d5ebe10a4tree | snapshot
parent6830e20c92e7388ae4834a3574a0d3d90500c4c1commit | diff
perf header: Sanity check HEADER_CACHE

Add upper bound check on cache entry count in process_cache() to harden
against malformed perf.data files (max 32768).

Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Ian Rogers <irogers@google.com>
Assisted-by: Claude Code:claude-opus-4-6
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
tools/perf/util/header.c diff | blob | blame | history
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