From 112c459d6d1ddea0280bbce66d7499306c5b8360 Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Wed, 3 Feb 2021 20:06:44 -0500 Subject: [PATCH] mm/mmap: Assert lock is held before running validate_mm() Signed-off-by: Liam R. Howlett --- mm/mmap.c | 1 + 1 file changed, 1 insertion(+) diff --git a/mm/mmap.c b/mm/mmap.c index a6c9348d61cd..61af80f654e4 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -312,6 +312,7 @@ static void validate_mm(struct mm_struct *mm) struct vm_area_struct *vma; MA_STATE(mas, &mm->mm_mt, 0, 0); + mmap_assert_locked(mm); mt_validate(&mm->mm_mt); mas_for_each(&mas, vma, ULONG_MAX) { -- 2.50.1