executor: add runner mode

Move all syz-fuzzer logic into syz-executor and remove syz-fuzzer.
Also restore syz-runtest functionality in the manager.

Update #4917 (sets most signal handlers to SIG_IGN)

1 files changed, 56 insertions, 0 deletions

diff --git a/pkg/rpcserver/last_executing_test.go b/pkg/rpcserver/last_executing_test.go
new file mode 100644
index 000000000..c9f3cc2bf
--- /dev/null
+++ b/pkg/rpcserver/last_executing_test.go
@@ -0,0 +1,56 @@
+// Copyright 2024 syzkaller project authors. All rights reserved.
+// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
+
+package rpcserver
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestLastExecutingEmpty(t *testing.T) {
+	last := MakeLastExecuting(10, 10)
+	assert.Empty(t, last.Collect())
+}
+
+func TestLastExecuting(t *testing.T) {
+	last := MakeLastExecuting(10, 3)
+	last.Note(1, 0, []byte("prog1"), 1)
+
+	last.Note(2, 1, []byte("prog2"), 2)
+	last.Note(3, 1, []byte("prog3"), 3)
+
+	last.Note(4, 3, []byte("prog4"), 4)
+	last.Note(5, 3, []byte("prog5"), 5)
+	last.Note(6, 3, []byte("prog6"), 6)
+
+	last.Note(7, 7, []byte("prog7"), 7)
+	last.Note(8, 7, []byte("prog8"), 8)
+	last.Note(9, 7, []byte("prog9"), 9)
+	last.Note(10, 7, []byte("prog10"), 10)
+	last.Note(11, 7, []byte("prog11"), 11)
+
+	last.Note(12, 9, []byte("prog12"), 12)
+
+	last.Note(13, 8, []byte("prog13"), 13)
+
+	assert.Equal(t, last.Collect(), []ExecRecord{
+		{ID: 1, Proc: 0, Prog: []byte("prog1"), Time: 12},
+
+		{ID: 2, Proc: 1, Prog: []byte("prog2"), Time: 11},
+		{ID: 3, Proc: 1, Prog: []byte("prog3"), Time: 10},
+
+		{ID: 4, Proc: 3, Prog: []byte("prog4"), Time: 9},
+		{ID: 5, Proc: 3, Prog: []byte("prog5"), Time: 8},
+		{ID: 6, Proc: 3, Prog: []byte("prog6"), Time: 7},
+
+		{ID: 9, Proc: 7, Prog: []byte("prog9"), Time: 4},
+		{ID: 10, Proc: 7, Prog: []byte("prog10"), Time: 3},
+		{ID: 11, Proc: 7, Prog: []byte("prog11"), Time: 2},
+
+		{ID: 12, Proc: 9, Prog: []byte("prog12"), Time: 1},
+
+		{ID: 13, Proc: 8, Prog: []byte("prog13"), Time: 0},
+	})
+}