Description: hugetlb, userfaultfd: fix reservation restore on userfaultfd error
References:
Notes:
 carnil> Introduced in c7b1850dfb41 ("hugetlb: don't pass page cache pages to
 carnil> restore_reserve_on_error"). Vulnerable versions: 5.13.13 5.14-rc7.
Bugs:
upstream: released (5.16-rc2) [cc30042df6fcc82ea18acf0dace831503e60a0b7]
6.8-upstream-stable: N/A "Fixed before branching point"
6.7-upstream-stable: N/A "Fixed before branching point"
6.6-upstream-stable: N/A "Fixed before branching point"
6.1-upstream-stable: N/A "Fixed before branching point"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.15.5-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"