Description: hwrng: core - Fix page fault dead lock on mmap-ed hwrng
References:
Notes:
 carnil> Introduced in 9996508b3353 ("hwrng: core - Replace u32 in driver API with byte
 carnil> array"). Vulnerable versions: 2.6.33-rc1.
Bugs:
upstream: released (6.8-rc1) [78aafb3884f6bc6636efcc1760c891c8500b9922]
6.7-upstream-stable: released (6.7.3) [6822a14271786150e178869f1495cc03e74c5029]
6.6-upstream-stable: released (6.6.15) [ecabe8cd456d3bf81e92c53b074732f3140f170d]
6.1-upstream-stable: released (6.1.76) [aa8aa16ed9adf1df05bb339d588cf485a011839e]
5.10-upstream-stable: released (5.10.210) [c6a8111aacbfe7a8a70f46cc0de8eed00561693c]
4.19-upstream-stable: released (4.19.307) [eafd83b92f6c044007a3591cbd476bcf90455990]
sid: released (6.6.15-1)
6.1-bookworm-security: released (6.1.76-1)
5.10-bullseye-security: needed
4.19-buster-security: needed