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perf header: Sanity check HEADER_NUMA_TOPOLOGY
authorArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 10 Apr 2026 22:08:57 +0000 (19:08 -0300)
committerNamhyung Kim <namhyung@kernel.org>
Tue, 14 Apr 2026 06:21:53 +0000 (23:21 -0700)
commit4ba223016b0be7ec11aad63f480cd251cecad594
treeb39a806f5bc0c723a2bfe59a2a12146a651edb25tree | snapshot
parent22a2e2b29217455cf337c765fc26ad2f55d7291acommit | diff
perf header: Sanity check HEADER_NUMA_TOPOLOGY

Add validation to process_numa_topology() to harden against malformed
perf.data files:

- Upper bound check on nr_nodes (max 4096)
- Minimum section size check before allocating

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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