From 507e88d3a8ad62d3ec02b59ca7d02f3dc9ad2c7b Mon Sep 17 00:00:00 2001 From: "Liam R. Howlett" Date: Fri, 29 Jan 2021 09:52:37 -0500 Subject: [PATCH] mm/mmap: Fix unlocking before populate check in vm_brk_flags() Signed-off-by: Liam R. Howlett --- mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mmap.c b/mm/mmap.c index 9f7cd98d813b..5c425fa0b883 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -3021,8 +3021,8 @@ int vm_brk_flags(unsigned long addr, unsigned long request, unsigned long flags) // This vma left intentionally blank. mas_walk(&mas); ret = do_brk_flags(&mas, &mas, &vma, addr, len, flags); - mmap_write_unlock(mm); populate = ((mm->def_flags & VM_LOCKED) != 0); + mmap_write_unlock(mm); if (populate && !ret) mm_populate_vma(vma, addr, addr + len); return ret; -- 2.50.1