tracing: Fix overflow in get_free_elt()

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2024-43890 · Microsoft / collected KEV context

cve-program · CVE-2024-43890

• https://git.kernel.org/stable/c/302ceb625d7b990db205a15e371f9a71238de91c
• https://git.kernel.org/stable/c/d3e4dbc2858fe85d1dbd2e72a9fc5dea988b5c18
• https://git.kernel.org/stable/c/eb223bf01e688dfe37e813c8988ee11c8c9f8d0a
• https://git.kernel.org/stable/c/cd10d186a5409a1fe6e976df82858e9773a698da
• https://git.kernel.org/stable/c/788ea62499b3c18541fd6d621964d8fafbc4aec5
• https://git.kernel.org/stable/c/a172c7b22bc2feaf489cfc6d6865f7237134fdf8
• https://git.kernel.org/stable/c/236bb4690773ab6869b40bedc7bc8d889e36f9d6
• https://git.kernel.org/stable/c/bcf86c01ca4676316557dd482c8416ece8c2e143

No related operational record is retained in the current change model.