Commit 4812532e authored by Suren Baghdasaryan's avatar Suren Baghdasaryan
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ANDROID: mm: prevent speculative page fault handling for userfaults 



handle_userfault() should be protected against a concurrent
userfaultfd_release(), therefore handling a userfaults speculatively
without mmap_lock protection should be disallowed.

Bug: 257443051
Signed-off-by: default avatarSuren Baghdasaryan <surenb@google.com>
Change-Id: Ic6ae39329c73e8849048ea15b5351a49346404d3
parent 43247cf5
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