From 513320c0f1122f096468c0b01623ba7c7e77cbe2 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 11 Jan 2021 19:07:10 +0200
Subject: [PATCH] sigfastblock_setpend(): do not set PEND user flag unless
 TDP_SIGFASTPENDING is set.

User pending bit should not be set if kernel did not noted a pending signal.

Reviewed by:	markj
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D28089
---
 sys/kern/kern_sig.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/kern/kern_sig.c b/sys/kern/kern_sig.c
index 004aabdcb84e..7884b5be9f91 100644
--- a/sys/kern/kern_sig.c
+++ b/sys/kern/kern_sig.c
@@ -4213,7 +4213,7 @@ sigfastblock_setpend1(struct thread *td)
 	int res;
 	uint32_t oldval;
 
-	if ((td->td_pflags & TDP_SIGFASTBLOCK) == 0)
+	if ((td->td_pflags & TDP_SIGFASTPENDING) == 0)
 		return;
 	res = fueword32((void *)td->td_sigblock_ptr, &oldval);
 	if (res == -1) {