Description: vhost-vdpa: fix vm_flags for virtqueue doorbell mapping
References:
Notes:
 carnil> Introduced in ddd89d0a059d ("vhost_vdpa: support doorbell mapping via mmap").
 carnil> Vulnerable versions: 5.8-rc1.
Bugs:
upstream: released (5.13-rc1) [3a3e0fad16d40a2aa68ddf7eea4acdf48b22dd44]
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 (5.10.36) [3b8b6399666a29daa30b0bb3f5c9e3fc81c5a6a6]
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (5.10.38-1)
6.1-bookworm-security: N/A "Fixed before branching point"
5.10-bullseye-security: N/A "Fixed before branching point"
4.19-buster-security: N/A "Vulnerable code not present"