Description: mm, kmsan: fix infinite recursion due to RCU critical section
References:
Notes:
 carnil> Introduced in 5ec8e8ea8b77 ("mm/sparsemem: fix race in accessing
 carnil> memory_section->usage"). Vulnerable versions: 5.10.210 5.15.149 6.1.76 6.6.15
 carnil> 6.7.3 6.8-rc1.
Bugs:
upstream: released (6.8-rc3) [f6564fce256a3944aa1bc76cb3c40e792d97c1eb]
6.7-upstream-stable: released (6.7.4) [5a33420599fa0288792537e6872fd19cc8607ea6]
6.6-upstream-stable: released (6.6.16) [6335c0cdb2ea0ea02c999e04d34fd84f69fb27ff]
6.1-upstream-stable: released (6.1.77) [dc904345e3771aa01d0b8358b550802fdc6fe00b]
5.10-upstream-stable: needed
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.7.7-1)
6.1-bookworm-security: released (6.1.82-1)
5.10-bullseye-security: needed
4.19-buster-security: N/A "Vulnerable code not present"