IB/rdmavt: add lock to call to rvt_error_qp to prevent a race condition

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

CVE-2022-49089 · Microsoft / collected KEV context

cve-program · CVE-2022-49089

• https://git.kernel.org/stable/c/8a50937227c385a477177c9ffa122b4230e40666
• https://git.kernel.org/stable/c/43c2d7890ecabe527448a6c391fb2d9a5e6bbfe0
• https://git.kernel.org/stable/c/92f1947c0d26060e978b3a9f21f32ce7c8c9cca3
• https://git.kernel.org/stable/c/77ffb2495a41098f9d6a14f8aefde3188da75944
• https://git.kernel.org/stable/c/57800cc36e55db0547461c49acf5cd84c0f502b0
• https://git.kernel.org/stable/c/4d809f69695d4e7d1378b3a072fa9aef23123018

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