[PATCH Next] copy_process(): Fixed jump logic error

From: Edward Adam Davis

Date: Wed Sep 24 2025 - 08:11:50 EST


After futex_hash_allocate_default() fails, the logic should jump to
bad_fork_cancel_cgroup, not bad_fork_core_free.

Jumping to bad_fork_core_free would cause a siglock imbalance.

Signed-off-by: Edward Adam Davis <eadavis@xxxxxx>
---
kernel/fork.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/fork.c b/kernel/fork.c
index e9a7fb5c3e49..a0b8eeeb1d27 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2349,7 +2349,7 @@ __latent_entropy struct task_struct *copy_process(
if (need_futex_hash_allocate_default(clone_flags)) {
retval = futex_hash_allocate_default();
if (retval)
- goto bad_fork_core_free;
+ goto bad_fork_cancel_cgroup;
/*
* If we fail beyond this point we don't free the allocated
* futex hash map. We assume that another thread will be created
--
2.43.0