diff --git a/bin/dd/dd.c b/bin/dd/dd.c
--- a/bin/dd/dd.c
+++ b/bin/dd/dd.c
@@ -64,6 +64,7 @@
 #include <fcntl.h>
 #include <inttypes.h>
 #include <locale.h>
+#include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -91,12 +92,16 @@
 size_t	speed = 0;		/* maximum speed, in bytes per second */
 volatile sig_atomic_t need_summary;
 volatile sig_atomic_t need_progress;
+volatile sig_atomic_t kill_signal;
 
 int
 main(int argc __unused, char *argv[])
 {
 	struct itimerval itv = { { 1, 0 }, { 1, 0 } }; /* SIGALARM every second, if needed */
 
+	(void)siginterrupt(SIGINT, 1);
+	(void)signal(SIGINT, terminate);
+
 	(void)setlocale(LC_CTYPE, "");
 	jcl(argv);
 	setup();
@@ -110,7 +115,6 @@
 		(void)signal(SIGALRM, sigalarm_handler);
 		setitimer(ITIMER_REAL, &itv, NULL);
 	}
-	(void)signal(SIGINT, terminate);
 
 	atexit(summary);
 
@@ -154,7 +158,9 @@
 		iflags = 0;
 		if (ddflags & C_IDIRECT)
 			iflags |= O_DIRECT;
+		check_terminate();
 		in.fd = open(in.name, O_RDONLY | iflags, 0);
+		check_terminate();
 		if (in.fd == -1)
 			err(1, "%s", in.name);
 	}
@@ -191,7 +197,9 @@
 			oflags |= O_FSYNC;
 		if (ddflags & C_ODIRECT)
 			oflags |= O_DIRECT;
+		check_terminate();
 		out.fd = open(out.name, O_RDWR | oflags, DEFFILEMODE);
+		check_terminate();
 		/*
 		 * May not have read access, so try again with write only.
 		 * Without read we may have a problem if output also does
@@ -199,6 +207,7 @@
 		 */
 		if (out.fd == -1) {
 			out.fd = open(out.name, O_WRONLY | oflags, DEFFILEMODE);
+			check_terminate();
 			out.flags |= NOREAD;
 			cap_rights_clear(&rights, CAP_READ);
 		}
@@ -415,7 +424,9 @@
 
 		in.dbrcnt = 0;
 fill:
+		check_terminate();
 		n = read(in.fd, in.dbp + in.dbrcnt, in.dbsz - in.dbrcnt);
+		check_terminate();
 
 		/* EOF */
 		if (n == 0 && in.dbrcnt == 0)
@@ -596,7 +607,9 @@
 					pending = 0;
 				}
 				if (cnt) {
+					check_terminate();
 					nw = write(out.fd, outp, cnt);
+					check_terminate();
 					out.seek_offset = 0;
 				} else {
 					return;
diff --git a/bin/dd/extern.h b/bin/dd/extern.h
--- a/bin/dd/extern.h
+++ b/bin/dd/extern.h
@@ -50,6 +50,7 @@
 void sigalarm_handler(int);
 void siginfo_handler(int);
 void terminate(int);
+void check_terminate(void);
 void unblock(void);
 void unblock_close(void);
 
@@ -69,3 +70,4 @@
 extern char fill_char;
 extern volatile sig_atomic_t need_summary;
 extern volatile sig_atomic_t need_progress;
+extern volatile sig_atomic_t kill_signal;
diff --git a/bin/dd/misc.c b/bin/dd/misc.c
--- a/bin/dd/misc.c
+++ b/bin/dd/misc.c
@@ -147,11 +147,23 @@
 	need_progress = 1;
 }
 
-/* ARGSUSED */
 void
-terminate(int sig)
+terminate(int signo)
 {
 
-	summary();
-	_exit(sig == 0 ? 0 : 1);
+	kill_signal = signo;
+}
+
+void
+check_terminate(void)
+{
+
+	if (kill_signal) {
+		summary();
+		(void)fflush(stderr);
+		signal(kill_signal, SIG_DFL);
+		raise(kill_signal);
+		/* NOT REACHED */
+		_exit(128 + kill_signal);
+	}
 }
diff --git a/bin/dd/position.c b/bin/dd/position.c
--- a/bin/dd/position.c
+++ b/bin/dd/position.c
@@ -191,9 +191,10 @@
 
 	/* Read it. */
 	for (cnt = 0; cnt < out.offset; ++cnt) {
+		check_terminate();
 		if ((n = read(out.fd, out.db, out.dbsz)) > 0)
 			continue;
-
+		check_terminate();
 		if (n == -1)
 			err(1, "%s", out.name);
 
@@ -208,7 +209,9 @@
 			err(1, "%s", out.name);
 
 		while (cnt++ < out.offset) {
+			check_terminate();
 			n = write(out.fd, out.db, out.dbsz);
+			check_terminate();
 			if (n == -1)
 				err(1, "%s", out.name);
 			if (n != out.dbsz)
diff --git a/bin/dd/tests/dd2_test.sh b/bin/dd/tests/dd2_test.sh
--- a/bin/dd/tests/dd2_test.sh
+++ b/bin/dd/tests/dd2_test.sh
@@ -1,5 +1,6 @@
 #
 # Copyright (c) 2017 Spectra Logic Corporation
+# Copyright (c) 2023 Klara, Inc.
 #
 # SPDX-License-Identifier: BSD-2-Clause
 #
@@ -46,8 +47,51 @@
 		dd if=f.in of=f.out bs=4096 seek=-1
 }
 
+atf_test_case sigint
+sigint_open_head()
+{
+	atf_set "descr" "SIGINT while opening destination"
+}
+sigint_open_body()
+{
+	atf_check mkfifo fifo
+	set -m
+	dd if=fifo of=/dev/null 2>stderr &
+	pid=$!
+	sleep 3
+	kill -INT $pid
+	wait $pid
+	rv=$?
+	atf_check test "$rv" -gt 128
+	atf_check -o inline:"INT\n" kill -l $((rv-128))
+	atf_check test -s stderr
+}
+
+atf_test_case sigint
+sigint_read_head()
+{
+	atf_set "descr" "SIGINT while reading source"
+}
+sigint_read_body()
+{
+	atf_check mkfifo fifo
+	(sleep 30 >fifo &) # ensures that dd does not block on open
+	set -m
+	dd if=fifo of=/dev/null 2>stderr &
+	pid=$!
+	sleep 3
+	kill -INT $pid
+	wait $pid
+	rv=$?
+	atf_check test "$rv" -gt 128
+	atf_check -o inline:"INT\n" kill -l $((rv-128))
+	atf_check test -s stderr
+}
+
 atf_init_test_cases()
 {
 	atf_add_test_case max_seek
 	atf_add_test_case seek_overflow
+	atf_add_test_case sigint_open
+	atf_add_test_case sigint_read
 }