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-rw-r--r--kernel/signal.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index fb19aae2363..ba3da25f0ee 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1870,9 +1870,16 @@ relock:
/*
* Global init gets no signals it doesn't want.
+ * Container-init gets no signals it doesn't want from same
+ * container.
+ *
+ * Note that if global/container-init sees a sig_kernel_only()
+ * signal here, the signal must have been generated internally
+ * or must have come from an ancestor namespace. In either
+ * case, the signal cannot be dropped.
*/
if (unlikely(signal->flags & SIGNAL_UNKILLABLE) &&
- !signal_group_exit(signal))
+ !sig_kernel_only(signr))
continue;
if (sig_kernel_stop(signr)) {