Re: [syzbot] [kernel?] kernel BUG in binder_alloc_deferred_release (2)

[Hillf Danton]

On Mon, 28 Oct 2024 09:33:26 -0700
> syzbot found the following issue on:
> 
> HEAD commit:    c2ee9f594da8 KVM: selftests: Fix build on on non-x86 archi..
> git tree:       upstream
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=132b2ebb980000

#syz test

--- x/drivers/android/binder.c
+++ y/drivers/android/binder.c
@@ -6307,6 +6307,7 @@ binder_defer_work(struct binder_proc *pr
 		hlist_add_head(&proc->deferred_work_node,
 				&binder_deferred_list);
 		schedule_work(&binder_deferred_work);
+		binder_alloc_vma_close(&proc->alloc);
 	}
 	mutex_unlock(&binder_deferred_lock);
 }
--