From e0d7a96b278abe69c207615c2639ab8bb11ba321 Mon Sep 17 00:00:00 2001 From: Suren Baghdasaryan Date: Mon, 10 Jul 2023 17:46:32 -0700 Subject: [PATCH] mm/mmap: Fix VM_LOCKED check in do_vmi_align_munmap() 6.1 backport of the patch [1] uses 'next' vma instead of 'split' vma. Fix the mistake. [1] commit 606c812eb1d5 ("mm/mmap: Fix error path in do_vmi_align_munmap()") Fixes: a149174ff8bb ("mm/mmap: Fix error path in do_vmi_align_munmap()") Signed-off-by: Suren Baghdasaryan Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- mm/mmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mmap.c b/mm/mmap.c index b8af52db3bbe..1597a96b667f 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2484,7 +2484,7 @@ do_mas_align_munmap(struct ma_state *mas, struct vm_area_struct *vma, error = mas_store_gfp(&mas_detach, split, GFP_KERNEL); if (error) goto munmap_gather_failed; - if (next->vm_flags & VM_LOCKED) + if (split->vm_flags & VM_LOCKED) locked_vm += vma_pages(split); count++;