On Wed, 17 Jan 2024 14:37:29 -0800 Lokesh Gidra <lokeshgidra@xxxxxxxxxx> wrote: > In mfill_atomic_hugetlb(), mmap_changing isn't being checked > again if we drop mmap_lock and reacquire it. When the lock is not held, > mmap_changing could have been incremented. This is also inconsistent > with the behavior in mfill_atomic(). Thanks. Could you and reviewers please consider - what might be the userspace-visible runtime effects? - Should the fix be backported into earlier kernels? - A suitable Fixes: target?
