Description: fs/proc/task_mmu: move mmu notification mechanism inside mm lock
References:
Notes:
 carnil> Introduced in 52526ca7fdb9 ("fs/proc/task_mmu: implement IOCTL to get and
 carnil> optionally clear info about PTEs"). Vulnerable versions: 6.7-rc1.
Bugs:
upstream: released (6.8-rc1) [4cccb6221cae6d020270606b9e52b1678fc8b71a]
6.7-upstream-stable: released (6.7.3) [05509adf297924f51e1493aa86f9fcde1433ed80]
6.6-upstream-stable: N/A "Vulnerable code not present"
6.1-upstream-stable: N/A "Vulnerable code not present"
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: N/A "Vulnerable code not present"
6.1-bookworm-security: N/A "Vulnerable code not present"
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"