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perf header: Sanity check HEADER_HYBRID_TOPOLOGY
authorArnaldo Carvalho de Melo <acme@redhat.com>
Fri, 10 Apr 2026 22:09:02 +0000 (19:09 -0300)
committerNamhyung Kim <namhyung@kernel.org>
Tue, 14 Apr 2026 06:21:53 +0000 (23:21 -0700)
commit47c68eb15ae90fa3953db9a67b4569089ff63cd0
treeaa5c1564951baa7469b2b7d39af2f4e4f40785actree | snapshot
parent110a661708a6a90997442f02f261e2043624a1c8commit | diff
perf header: Sanity check HEADER_HYBRID_TOPOLOGY

Add upper bound check on nr_nodes in process_hybrid_topology() to
harden against malformed perf.data files (reuses MAX_PMU_MAPPINGS,
4096).

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
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git