tracing: Add down_write(trace_event_sem) when adding trace event

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

CVE-2025-38539 · Microsoft / collected KEV context

cve-program · CVE-2025-38539

• https://git.kernel.org/stable/c/e70f5ee4c8824736332351b703c46f9469ed7f6c
• https://git.kernel.org/stable/c/db45632479ceecb669612ed8dbce927e3c6279fc
• https://git.kernel.org/stable/c/ca60064ea03f14e06c763de018403cb56ba3207d
• https://git.kernel.org/stable/c/7803b28c9aa8d8bd4e19ebcf5f0db9612b0f333b
• https://git.kernel.org/stable/c/6bc94f20a4c304997288f9a45278c9d0c06987d3
• https://git.kernel.org/stable/c/33e20747b47ddc03569b6bc27a2d6894c1428182
• https://git.kernel.org/stable/c/70fecd519caad0c1741c3379d5348c9000a5b29d
• https://git.kernel.org/stable/c/b5e8acc14dcb314a9b61ff19dcd9fdd0d88f70df

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