Linus,
Please pull the latest locking/urgent Git tree from:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git locking-urgent-2026-09-20
for you to fetch changes up to b61b6f95d6722ddbbbd09e689fa41b55fd36f9a5:
- Also allocate a default private futex hash on vfork()
as well, to avoid races with (private) futex waiters
(Peter Zijlstra)
Thanks,
Ingo
------------------>
Peter Zijlstra (1):
futex: Also allocate private hash on vfork()
kernel/fork.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/kernel/fork.c b/kernel/fork.c
index a5934a317634..5ef413368912 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1996,9 +1996,9 @@ static bool need_futex_hash_allocate_default(u64 clone_flags)
{
/*
* Allocate a default futex hash for any sibling that will
- * share the parent's mm, except vfork.
+ * share the parent's mm.
*/
- return (clone_flags & (CLONE_VM | CLONE_VFORK)) == CLONE_VM;
+ return clone_flags & CLONE_VM;
}
/*