The patch titled
Subject: mm-allow-vma_start_read_locked-vma_start_read_locked_nested-to-fail-fix
has been added to the -mm mm-unstable branch. Its filename is
mm-allow-vma_start_read_locked-vma_start_read_locked_nested-to-fail-fix.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-allow-vma_start_read_locked-vma_start_read_locked_nested-to-fail-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-allow-vma_start_read_locked-vma_start_read_locked_nested-to-fail-fix
Date: Tue Dec 17 10:53:33 AM PST 2024
fix uffd_move_lock() test, per Lokesh
Cc: Lokesh Gidra <lokeshgidra@xxxxxxxxxx>
Cc: Suren Baghdasaryan <surenb@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/userfaultfd.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/userfaultfd.c~mm-allow-vma_start_read_locked-vma_start_read_locked_nested-to-fail-fix
+++ a/mm/userfaultfd.c
@@ -1484,7 +1484,7 @@ static int uffd_move_lock(struct mm_stru
mmap_read_lock(mm);
err = find_vmas_mm_locked(mm, dst_start, src_start, dst_vmap, src_vmap);
if (!err) {
- if (!vma_start_read_locked(*dst_vmap)) {
+ if (vma_start_read_locked(*dst_vmap)) {
if (*dst_vmap != *src_vmap) {
if (!vma_start_read_locked_nested(*src_vmap,
SINGLE_DEPTH_NESTING)) {
_
Patches currently in -mm which might be from akpm@xxxxxxxxxxxxxxxxxxxx are
mm-vmscan-account-for-free-pages-to-prevent-infinite-loop-in-throttle_direct_reclaim-checkpatch-fixes.patch
mm-swap_cgroup-allocate-swap_cgroup-map-using-vcalloc-fix.patch
mm-page_alloc-add-some-detailed-comments-in-can_steal_fallback-fix.patch
mm-introduce-mmap_lock_speculate_try_beginretry-fix.patch
mm-damon-tests-vaddr-kunith-reduce-stack-consumption.patch
mm-damon-tests-vaddr-kunith-reduce-stack-consumption-fix.patch
mm-allow-vma_start_read_locked-vma_start_read_locked_nested-to-fail-fix.patch
mm-remove-an-avoidable-load-of-page-refcount-in-page_ref_add_unless-fix.patch
mm-fix-outdated-incorrect-code-comments-for-handle_mm_fault-fix.patch
mm-huge_memoryc-rename-shadowed-local.patch
xarray-port-tests-to-kunit-fix.patch
fault-inject-use-prandom-where-cryptographically-secure-randomness-is-not-needed-fix.patch
