diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c
index 9df4c0b5ecac..cb12fc9c0642 100644
--- a/arch/x86/kernel/signal.c
+++ b/arch/x86/kernel/signal.c
@@ -664,6 +664,12 @@ handle_signal(struct ksignal *ksig, struct pt_regs *regs)
 		 * Clear the direction flag as per the ABI for function entry.
 		 */
 		regs->flags &= ~X86_EFLAGS_DF;
+		/*
+		 * Clear RF when entering the signal handler, because
+		 * it might disable possible debug exception from the
+		 * signal handler.
+		 */
+		regs->flags &= ~X86_EFLAGS_RF;
 		/*
 		 * Clear TF when entering the signal handler, but
 		 * notify any tracer that was single-stepping it.