Description: NFS: Fix an Oopsable condition in __nfs_pageio_add_request()
References:
Notes:
 carnil> Introduced in a7d42ddb3099 ("nfs: add mirroring support to pgio layer").
 carnil> Vulnerable versions: 4.0-rc1 4.1.52 4.4.124 4.9.90.
Bugs:
upstream: released (5.13-rc4) [56517ab958b7c11030e626250c00b9b1a24b41eb]
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: released (5.10.42) [ee21cd3aa8548e0cbc8c67a80b62113aedd2d101]
4.19-upstream-stable: needed
sid: released (5.14.6-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: released (5.10.46-1)
4.19-buster-security: needed