The patch titled
Subject: mm-always-lock-new-vma-before-inserting-into-vma-tree-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-always-lock-new-vma-before-inserting-into-vma-tree-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-always-lock-new-vma-before-inserting-into-vma-tree-fix.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: mm-always-lock-new-vma-before-inserting-into-vma-tree-fix
Date: Mon Aug 14 12:13:22 PM PDT 2023
fix reject fixing in vma_link(), per Jann
Cc: Jann Horn <jannh@xxxxxxxxxx>
Cc: Liam R. Howlett <Liam.Howlett@xxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/mmap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/mm/mmap.c~mm-always-lock-new-vma-before-inserting-into-vma-tree-fix
+++ a/mm/mmap.c
@@ -401,10 +401,10 @@ static int vma_link(struct mm_struct *mm
if (vma_iter_prealloc(&vmi, vma))
return -ENOMEM;
- vma_iter_store(&vmi, vma);
-
vma_start_write(vma);
+ vma_iter_store(&vmi, vma);
+
if (vma->vm_file) {
mapping = vma->vm_file->f_mapping;
i_mmap_lock_write(mapping);
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-shmem-fix-race-in-shmem_undo_range-w-thp-fix.patch
acpi-hmat-calculate-abstract-distance-with-hmat-checkpatch-fixes.patch
mm-remove-redundant-k-macro-definition-fix.patch
mm-always-lock-new-vma-before-inserting-into-vma-tree-fix.patch
