I tested with 6.4.0-0.rc6.48.fc39.x86_64 + f31dcb152a3 revert and all 10000 iterations succeeded (same hardware and environment as my previous post).

To guarantee that there's absolutely no other difference between the two tests, I took the source RPM, added the commit f31dcb152a3 diff + `%patch -P 2 -R`, and built the kernel RPM with mock.