1 files changed, 5 insertions, 3 deletions

diff --git a/kernel/fork.c b/kernel/fork.c
index 083bf8953ce8..49530e40ea8b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -1422,12 +1422,15 @@ long do_fork(unsigned long clone_flags,
 #define ARCH_MIN_MMSTRUCT_ALIGN 0
 #endif
 
-static void sighand_ctor(void *data, struct kmem_cache *cachep, unsigned long flags)
+static void sighand_ctor(void *data, struct kmem_cache *cachep,
+                        unsigned long flags)
 {
         struct sighand_struct *sighand = data;
 
-        if (flags & SLAB_CTOR_CONSTRUCTOR)
+        if (flags & SLAB_CTOR_CONSTRUCTOR) {
                 spin_lock_init(&sighand->siglock);
+                INIT_LIST_HEAD(&sighand->signalfd_list);
+        }
 }
 
 void __init proc_caches_init(void)
@@ -1453,7 +1456,6 @@ void __init proc_caches_init(void)
                         SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
 }
 
-
 /*
  * Check constraints on flags passed to the unshare system call and
  * force unsharing of additional process context as appropriate.