vendor/bc/5.2.3

82 files changed, 2296 insertions, 0 deletions

diff --git a/tests/fuzzing/bc_afl.yaml b/tests/fuzzing/bc_afl.yaml
new file mode 100644
index 000000000000..7d13bff95824
--- /dev/null
+++ b/tests/fuzzing/bc_afl.yaml
@@ -0,0 +1,125 @@
+session_name: bc_afl
+
+windows:
+  - window_name: control
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - echo core | doas tee /proc/sys/kernel/core_pattern
+        - echo performance | doas tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
+        - rm -rf tests/fuzzing/bc_outputs1/
+        - rm -rf tests/fuzzing/bc_outputs2/
+        - rm -rf tests/fuzzing/bc_outputs3/
+        - rm -rf tests/fuzzing/dc_outputs/
+  - window_name: bc11
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 15
+        - afl-fuzz -i tests/fuzzing/bc_inputs1 -o tests/fuzzing/bc_outputs1 -p exploit -D -M bc11 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc12
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 16
+        - afl-fuzz -i tests/fuzzing/bc_inputs1 -o tests/fuzzing/bc_outputs1 -p coe -S bc12 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc13
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 17
+        - afl-fuzz -i tests/fuzzing/bc_inputs1 -o tests/fuzzing/bc_outputs1 -p fast -S bc13 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc14
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 18
+        - afl-fuzz -i tests/fuzzing/bc_inputs1 -o tests/fuzzing/bc_outputs1 -p explore -S bc14 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc21
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 19
+        - afl-fuzz -i tests/fuzzing/bc_inputs2 -o tests/fuzzing/bc_outputs2 -p exploit -D -M bc21 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc22
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 20
+        - afl-fuzz -i tests/fuzzing/bc_inputs2 -o tests/fuzzing/bc_outputs2 -p coe -S bc22 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc23
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 21
+        - afl-fuzz -i tests/fuzzing/bc_inputs2 -o tests/fuzzing/bc_outputs2 -p fast -S bc23 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc24
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 22
+        - afl-fuzz -i tests/fuzzing/bc_inputs2 -o tests/fuzzing/bc_outputs2 -p explore -S bc24 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc31
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 23
+        - afl-fuzz -i tests/fuzzing/bc_inputs3 -o tests/fuzzing/bc_outputs3 -p exploit -D -M bc31 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc32
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 24
+        - afl-fuzz -i tests/fuzzing/bc_inputs3 -o tests/fuzzing/bc_outputs3 -p coe -S bc32 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc33
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 25
+        - afl-fuzz -i tests/fuzzing/bc_inputs3 -o tests/fuzzing/bc_outputs3 -p fast -S bc33 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc34
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 26
+        - afl-fuzz -i tests/fuzzing/bc_inputs3 -o tests/fuzzing/bc_outputs3 -p explore -S bc34 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: dc11
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 27
+        - afl-fuzz -i tests/fuzzing/dc_inputs -o tests/fuzzing/dc_outputs -p exploit -D -M dc11 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
+  - window_name: dc12
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 28
+        - afl-fuzz -i tests/fuzzing/dc_inputs -o tests/fuzzing/dc_outputs -p coe -S dc12 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
+  - window_name: dc13
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 29
+        - afl-fuzz -i tests/fuzzing/dc_inputs -o tests/fuzzing/dc_outputs -p fast -S dc13 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
+  - window_name: dc14
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 30
+        - afl-fuzz -i tests/fuzzing/dc_inputs -o tests/fuzzing/dc_outputs -p explore -S dc14 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
diff --git a/tests/fuzzing/bc_afl_continue.yaml b/tests/fuzzing/bc_afl_continue.yaml
new file mode 100644
index 000000000000..486984bdaef5
--- /dev/null
+++ b/tests/fuzzing/bc_afl_continue.yaml
@@ -0,0 +1,122 @@
+session_name: bc_afl_continue
+start_directory: ./
+
+windows:
+  - window_name: control
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - echo core | doas tee /proc/sys/kernel/core_pattern
+        - echo performance | doas tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
+  - window_name: bc11
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 4
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs1 -p exploit -D -M bc11 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc12
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 5
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs1 -p coe -S bc12 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc13
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 6
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs1 -p fast -S bc13 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc14
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 7
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs1 -p explore -S bc14 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc21
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 8
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs2 -p exploit -D -M bc21 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc22
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 9
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs2 -p coe -S bc22 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc23
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 10
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs2 -p fast -S bc23 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc24
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 11
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs2 -p explore -S bc24 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc31
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 12
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs3 -p exploit -D -M bc31 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc32
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 13
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs3 -p coe -S bc32 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc33
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 14
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs3 -p fast -S bc33 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: bc34
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 15
+        - afl-fuzz -i- -o tests/fuzzing/bc_outputs3 -p explore -S bc34 bin/bc -lq -e "seed = 1280937142.20981723890730892738902938071028973408912703984712093" -f-
+  - window_name: dc11
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 16
+        - afl-fuzz -i- -o tests/fuzzing/dc_outputs -p exploit -D -M dc11 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
+  - window_name: dc12
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 17
+        - afl-fuzz -i- -o tests/fuzzing/dc_outputs -p coe -S dc12 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
+  - window_name: dc13
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 18
+        - afl-fuzz -i- -o tests/fuzzing/dc_outputs -p fast -S dc13 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
+  - window_name: dc14
+    layout: even-horizontal
+    panes:
+      - shell_command:
+        - export AFL_AUTORESUME=1
+        - sleep 19
+        - afl-fuzz -i- -o tests/fuzzing/dc_outputs -p explore -S dc14 bin/dc -x -e "1280937142.20981723890730892738902938071028973408912703984712093j" -f-
diff --git a/tests/fuzzing/bc_inputs1/array.bc b/tests/fuzzing/bc_inputs1/array.bc
new file mode 100644
index 000000000000..dac232804914
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/array.bc
@@ -0,0 +1,60 @@
+#! /usr/bin/bc -q
+
+define z(a[]) {
+	for (i = 0; i < l; ++i) {
+		a[i]
+	}
+}
+
+define x(a[]) {
+
+	# Test for separate vars and arrays.
+	auto a
+
+	for (a = 0; a < l; ++a) {
+		a[a] = -a
+	}
+
+	z(a[])
+}
+
+define g(x[], y[]) {
+	return x[0] - y[0]
+}
+
+define h(y[], x[]) {
+	return g(x[], y[])
+}
+
+define m(*x[], *y[]) {
+	return x[0] / y[0]
+}
+
+define n(*y[], *x[]) {
+	return m(x[], y[])
+}
+
+for (i = 0; i < 101; ++i) {
+	a[i] = i
+}
+
+a[104] = 204
+
+l = length(a[])
+
+for (i = 0; i <= l; ++i) {
+	a[i]
+}
+
+z(a[])
+x(a[])
+z(a[])
+l
+
+x[0] = 5
+y[0] = 4
+
+h(x[], y[])
+n(x[], y[])
+
+halt
diff --git a/tests/fuzzing/bc_inputs1/decimal.txt b/tests/fuzzing/bc_inputs1/decimal.txt
new file mode 100644
index 000000000000..b79da99e3dd2
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/decimal.txt
@@ -0,0 +1,30 @@
+0
+0.0
+000000000000000000000000.00000000000000000000000
+000000000000000000000000000135482346782356
+000000000000000000000000002
+1
+1023468723275435238491972521917846
+4343472432431705867392073517038270398027352709027389273920739037937960379637893607893607893670530278200795207952702873892786172916728961783907893607418973587857386079679267926737520730925372983782793652793
+-1
+-18586
+-31378682943772818461924738352952347258
+-823945628745673589495067238723986520375698237620834674509627345273096287563846592384526349872634895763257893467523987578690283762897568459072348758071071087813501875908127359018715023841710239872301387278
+.123521346523546
+0.1245923756273856
+-.1024678456387
+-0.8735863475634587
+4.0
+-6.0
+234237468293576.000000000000000000000000000000
+23987623568943567.00000000000000000005677834650000000000000
+23856934568940675.000000000000000435676782300000000000000456784
+77567648698496.000000000000000000587674750000000000458563800000000000000
+2348672354968723.2374823546000000000003256987394502346892435623870000000034578
+-2354768.000000000000000000000000000000000000
+-96739874567.000000000347683456
+-3764568345.000000000004573845000000347683460
+-356784356.934568495770004586495678300000000
+74325437345273852773827101738273127312738521733017537073520735207307570358738257390761276072160719802671980267018728630178.7082681027680521760217867841276127681270867827821768173178207830710978017738178678012767377058785378278207385237085237803278203782037237582795870
+-756752732785273851273728537852738257837283678965738527385272983678372867327835672967385278372637862738627836279863782673862783670.71738178361738718367186378610738617836781603760178367018603760178107735278372832783728367826738627836278378260736270367362073867097307925
+9812734012837410982345719208345712908357412903587192048571920458712.23957182459817249058172945781
diff --git a/tests/fuzzing/bc_inputs1/functions.bc b/tests/fuzzing/bc_inputs1/functions.bc
new file mode 100644
index 000000000000..80d6d1623d8d
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/functions.bc
@@ -0,0 +1,7 @@
+e(0.5)
+
+define e(x) {
+	return x
+}
+
+e(0.5)
diff --git a/tests/fuzzing/bc_inputs1/len.bc b/tests/fuzzing/bc_inputs1/len.bc
new file mode 100644
index 000000000000..ec931f2386a5
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/len.bc
@@ -0,0 +1,48 @@
+define fast_gcd(a, b) {
+
+	if (a == b) return a;
+	if (a > b) return fast_gcd(a - b, b)
+
+	return fast_gcd(a, b - a);
+}
+
+define void r_reduce(*r[]) {
+
+	auto g,s;
+
+	if (length(r[]) != 2) sqrt(-1);
+	if (scale(r[0])) 2^r[0];
+	if (scale(r[1])) 2^r[1];
+
+	if (r[0] >= 0 && r[1] >= 0) g = fast_gcd(r[0], r[1]);
+	else g = gcd(r[0], r[1]);
+
+	s = scale;
+	scale = 0;
+
+	r[0] /= g;
+	r[1] /= g;
+
+	scale = s;
+}
+
+define void r_init(*r[], a, b) {
+	r[0] = a;
+	r[1] = b;
+	r_reduce(r[]);
+}
+
+define void r_initi(*r[], i, a, b) {
+
+	length(r[]);
+
+	r[0] = i * b + a;
+	r[1] = b;
+
+	length(r[]);
+
+	r_reduce(r[]);
+}
+
+length(a[])
+r_initi(a[], 5, 63, 94);
diff --git a/tests/fuzzing/bc_inputs1/lib10.txt b/tests/fuzzing/bc_inputs1/lib10.txt
new file mode 100644
index 000000000000..7aa3fda19cc7
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/lib10.txt
@@ -0,0 +1,4 @@
+l10(0)
+l10(99)
+l10(100)
+l10(-100)
diff --git a/tests/fuzzing/bc_inputs1/lib12.txt b/tests/fuzzing/bc_inputs1/lib12.txt
new file mode 100644
index 000000000000..7d70e1ccdd5e
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/lib12.txt
@@ -0,0 +1 @@
+uint(0)
diff --git a/tests/fuzzing/bc_inputs1/lib2.txt b/tests/fuzzing/bc_inputs1/lib2.txt
new file mode 100644
index 000000000000..f345bd1669cb
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/lib2.txt
@@ -0,0 +1,15 @@
+r(0, 0)
+r(0, 1)
+r(0, 100)
+r(1, 0)
+r(1, 3)
+r(1.4, 0)
+r(1.5, 0)
+r(34.45, 2)
+r(64.1223, 4)
+r(-1, 0)
+r(-1, 3)
+r(-1.4, 0)
+r(-1.5, 0)
+r(-34.45, 2)
+r(-64.1223, 4)
diff --git a/tests/fuzzing/bc_inputs1/lib3.txt b/tests/fuzzing/bc_inputs1/lib3.txt
new file mode 100644
index 000000000000..1da42385ea44
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/lib3.txt
@@ -0,0 +1,6 @@
+f(0)
+f(1)
+f(2)
+f(3)
+f(4)
+f(5)
diff --git a/tests/fuzzing/bc_inputs1/lib6.txt b/tests/fuzzing/bc_inputs1/lib6.txt
new file mode 100644
index 000000000000..260e159f9fb6
--- /dev/null
+++ b/tests/fuzzing/bc_inputs1/lib6.txt
@@ -0,0 +1,5 @@
+pi(5)
+p=pi(scale)
+r2d(-p)
+d2r(180)
+d2r(-180)
diff --git a/tests/fuzzing/bc_inputs2/bitfuncs.txt b/tests/fuzzing/bc_inputs2/bitfuncs.txt
new file mode 100644
index 000000000000..e0703a715c08
--- /dev/null
+++ b/tests/fuzzing/bc_inputs2/bitfuncs.txt
@@ -0,0 +1,42 @@
+band(13946233938940740889, 12028823668264674112)
+bor(13946233938940740889, 12028823668264674112)
+bxor(13946233938940740889, 12028823668264674112)
+bshl(2366588185, 0)
+bshr(2366588185, 0)
+bshl(347743040, 25)
+bshr(347743040, 25)
+bnot8(13946233938940740889)
+bnot8(25)
+bnot16(13946233938940740889)
+bnot16(17689)
+bnot32(13946233938940740889)
+bnot32(2366588185)
+bnot64(13946233938940740889)
+brev8(13946233938940740889)
+brev8(25)
+brev16(13946233938940740889)
+brev16(17689)
+brev32(13946233938940740889)
+brev32(2366588185)
+brev64(13946233938940740889)
+brol8(13946233938940740889, 12028823668264674112)
+brol8(25, 64)
+brol16(13946233938940740889, 12028823668264674112)
+brol16(17689, 9024)
+brol32(13946233938940740889, 12028823668264674112)
+brol32(2366588185, 347743040)
+brol64(13946233938940740889, 12028823668264674112)
+bror8(13946233938940740889, 12028823668264674112)
+bror8(25, 64)
+bror16(13946233938940740889, 12028823668264674112)
+bror16(17689, 9024)
+bror32(13946233938940740889, 12028823668264674112)
+bror32(2366588185, 347743040)
+bror64(13946233938940740889, 12028823668264674112)
+bmod8(13946233938940740889)
+bmod8(25)
+bmod16(13946233938940740889)
+bmod16(17689)
+bmod32(13946233938940740889)
+bmod32(2366588185)
+bmod64(13946233938940740889)
diff --git a/tests/fuzzing/bc_inputs2/lib15.txt b/tests/fuzzing/bc_inputs2/lib15.txt
new file mode 100644
index 000000000000..13be33145ba3
--- /dev/null
+++ b/tests/fuzzing/bc_inputs2/lib15.txt
@@ -0,0 +1 @@
+uint(1)
diff --git a/tests/fuzzing/bc_inputs2/lib21.txt b/tests/fuzzing/bc_inputs2/lib21.txt
new file mode 100644
index 000000000000..82693695945d
--- /dev/null
+++ b/tests/fuzzing/bc_inputs2/lib21.txt
@@ -0,0 +1 @@
+int(1)
diff --git a/tests/fuzzing/bc_inputs2/misc3.txt b/tests/fuzzing/bc_inputs2/misc3.txt
new file mode 100644
index 000000000000..7aad374c4ef6
--- /dev/null
+++ b/tests/fuzzing/bc_inputs2/misc3.txt
@@ -0,0 +1,12 @@
+for (i = 0; i < A; ++i)
+{print "n"
+if(1)if(1){3
+}
+if(0)if(1){3
+}
+else 4
+if(0){if(1){3
+}}
+else 5
+{i}
+}
diff --git a/tests/fuzzing/bc_inputs2/modulus.txt b/tests/fuzzing/bc_inputs2/modulus.txt
new file mode 100644
index 000000000000..049cd7dbd73c
--- /dev/null
+++ b/tests/fuzzing/bc_inputs2/modulus.txt
@@ -0,0 +1,27 @@
+1 % 1
+2 % 1
+16 % 4
+17 % 4
+3496723859067234 % 298375462837546928347623059375486
+-1 % 1
+-2 % 1
+-1274852934765 % 2387628935486273546
+1 % -1
+2 % -1
+2 % -3
+16 % 5
+89237423 % -237856923854
+-1 % -1
+-2 % -1
+-2 % -2
+-2 % -3
+-13 % -7
+-14 % -7
+-15 % -7
+-127849612 % -23712347682193
+scale = 0
+1 % 1
+2 % 1
+scale = 0; -899510228 % -2448300078.40314
+scale = 0; -7424863 % -207.2609738667
+scale = 0; 3769798918 % 0.6
diff --git a/tests/fuzzing/bc_inputs2/references.bc b/tests/fuzzing/bc_inputs2/references.bc
new file mode 100644
index 000000000000..8188f17aa017
--- /dev/null
+++ b/tests/fuzzing/bc_inputs2/references.bc
@@ -0,0 +1,408 @@
+#! /usr/bin/bc -q
+
+define printarray(a[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a[i]
+	}
+}
+
+define a2(a[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a[i] = a[i] * a[i]
+	}
+
+	printarray(a[], len)
+}
+
+define a4(a__[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a__[i] = a__[i] * a__[i]
+	}
+
+	printarray(a__[], len)
+}
+
+define a6(*a__[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a__[i] = a__[i] * a__[i]
+	}
+
+	printarray(a__[], len)
+}
+
+define a1(*a[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a[i] = i
+	}
+
+	a2(a[], len)
+
+	printarray(a[], len)
+}
+
+define a3(*a__[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a__[i] = i
+	}
+
+	a4(a__[], len)
+
+	printarray(a__[], len)
+}
+
+define a5(*a__[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a__[i] = i
+	}
+
+	a2(a__[], len)
+
+	printarray(a__[], len)
+}
+
+define a7(*a__[], len) {
+
+	auto i
+
+	for (i = 0; i < len; ++i) {
+		a__[i] = i
+	}
+
+	a6(a__[], len)
+
+	printarray(a__[], len)
+}
+
+len = 16
+
+a1(a[], len)
+printarray(a[], len)
+a3(a[], len)
+printarray(a[], len)
+a5(a[], len)
+printarray(a[], len)
+a7(a[], len)
+printarray(a[], len)
+
+a1(b[], len)
+printarray(b[], len)
+a3(b[], len)
+printarray(b[], len)
+a5(b[], len)
+printarray(b[], len)
+a7(b[], len)
+printarray(b[], len)
+
+a1[0] = 0
+a2[0] = 0
+a3[0] = 0
+a4[0] = 0
+a5[0] = 0
+a6[0] = 0
+a7[0] = 0
+a8[0] = 0
+a9[0] = 0
+a10[0] = 0
+a11[0] = 0
+a12[0] = 0
+a13[0] = 0
+a14[0] = 0
+a15[0] = 0
+a16[0] = 0
+a17[0] = 0
+a18[0] = 0
+a19[0] = 0
+a20[0] = 0
+a21[0] = 0
+a22[0] = 0
+a23[0] = 0
+a24[0] = 0
+a25[0] = 0
+a26[0] = 0
+a27[0] = 0
+a28[0] = 0
+a29[0] = 0
+a30[0] = 0
+a31[0] = 0
+a32[0] = 0
+a33[0] = 0
+a34[0] = 0
+a35[0] = 0
+a36[0] = 0
+a37[0] = 0
+a38[0] = 0
+a39[0] = 0
+a40[0] = 0
+a41[0] = 0
+a42[0] = 0
+a43[0] = 0
+a44[0] = 0
+a45[0] = 0
+a46[0] = 0
+a47[0] = 0
+a48[0] = 0
+a49[0] = 0
+a50[0] = 0
+a51[0] = 0
+a52[0] = 0
+a53[0] = 0
+a54[0] = 0
+a55[0] = 0
+a56[0] = 0
+a57[0] = 0
+a58[0] = 0
+a59[0] = 0
+a60[0] = 0
+a61[0] = 0
+a62[0] = 0
+a63[0] = 0
+a64[0] = 0
+a65[0] = 0
+a66[0] = 0
+a67[0] = 0
+a68[0] = 0
+a69[0] = 0
+a70[0] = 0
+a71[0] = 0
+a72[0] = 0
+a73[0] = 0
+a74[0] = 0
+a75[0] = 0
+a76[0] = 0
+a77[0] = 0
+a78[0] = 0
+a79[0] = 0
+a80[0] = 0
+a81[0] = 0
+a82[0] = 0
+a83[0] = 0
+a84[0] = 0
+a85[0] = 0
+a86[0] = 0
+a87[0] = 0
+a88[0] = 0
+a89[0] = 0
+a90[0] = 0
+a91[0] = 0
+a92[0] = 0
+a93[0] = 0
+a94[0] = 0
+a95[0] = 0
+a96[0] = 0
+a97[0] = 0
+a98[0] = 0
+a99[0] = 0
+a100[0] = 0
+a101[0] = 0
+a102[0] = 0
+a103[0] = 0
+a104[0] = 0
+a105[0] = 0
+a106[0] = 0
+a107[0] = 0
+a108[0] = 0
+a109[0] = 0
+a110[0] = 0
+a111[0] = 0
+a112[0] = 0
+a113[0] = 0
+a114[0] = 0
+a115[0] = 0
+a116[0] = 0
+a117[0] = 0
+a118[0] = 0
+a119[0] = 0
+a120[0] = 0
+a121[0] = 0
+a122[0] = 0
+a123[0] = 0
+a124[0] = 0
+a125[0] = 0
+a126[0] = 0
+a127[0] = 0
+a128[0] = 0
+a129[0] = 0
+a130[0] = 0
+a131[0] = 0
+a132[0] = 0
+a133[0] = 0
+a134[0] = 0
+a135[0] = 0
+a136[0] = 0
+a137[0] = 0
+a138[0] = 0
+a139[0] = 0
+a140[0] = 0
+a141[0] = 0
+a142[0] = 0
+a143[0] = 0
+a144[0] = 0
+a145[0] = 0
+a146[0] = 0
+a147[0] = 0
+a148[0] = 0
+a149[0] = 0
+a150[0] = 0
+a151[0] = 0
+a152[0] = 0
+a153[0] = 0
+a154[0] = 0
+a155[0] = 0
+a156[0] = 0
+a157[0] = 0
+a158[0] = 0
+a159[0] = 0
+a160[0] = 0
+a161[0] = 0
+a162[0] = 0
+a163[0] = 0
+a164[0] = 0
+a165[0] = 0
+a166[0] = 0
+a167[0] = 0
+a168[0] = 0
+a169[0] = 0
+a170[0] = 0
+a171[0] = 0
+a172[0] = 0
+a173[0] = 0
+a174[0] = 0
+a175[0] = 0
+a176[0] = 0
+a177[0] = 0
+a178[0] = 0
+a179[0] = 0
+a180[0] = 0
+a181[0] = 0
+a182[0] = 0
+a183[0] = 0
+a184[0] = 0
+a185[0] = 0
+a186[0] = 0
+a187[0] = 0
+a188[0] = 0
+a189[0] = 0
+a190[0] = 0
+a191[0] = 0
+a192[0] = 0
+a193[0] = 0
+a194[0] = 0
+a195[0] = 0
+a196[0] = 0
+a197[0] = 0
+a198[0] = 0
+a199[0] = 0
+a200[0] = 0
+a201[0] = 0
+a202[0] = 0
+a203[0] = 0
+a204[0] = 0
+a205[0] = 0
+a206[0] = 0
+a207[0] = 0
+a208[0] = 0
+a209[0] = 0
+a210[0] = 0
+a211[0] = 0
+a212[0] = 0
+a213[0] = 0
+a214[0] = 0
+a215[0] = 0
+a216[0] = 0
+a217[0] = 0
+a218[0] = 0
+a219[0] = 0
+a220[0] = 0
+a221[0] = 0
+a222[0] = 0
+a223[0] = 0
+a224[0] = 0
+a225[0] = 0
+a226[0] = 0
+a227[0] = 0
+a228[0] = 0
+a229[0] = 0
+a230[0] = 0
+a231[0] = 0
+a232[0] = 0
+a233[0] = 0
+a234[0] = 0
+a235[0] = 0
+a236[0] = 0
+a237[0] = 0
+a238[0] = 0
+a239[0] = 0
+a240[0] = 0
+a241[0] = 0
+a242[0] = 0
+a243[0] = 0
+a244[0] = 0
+a245[0] = 0
+a246[0] = 0
+a247[0] = 0
+a248[0] = 0
+a249[0] = 0
+a250[0] = 0
+a251[0] = 0
+a252[0] = 0
+a253[0] = 0
+a254[0] = 0
+a255[0] = 0
+a256[0] = 0
+
+a1(a253[], len)
+printarray(a253[], len)
+a3(a253[], len)
+printarray(a253[], len)
+a5(a253[], len)
+printarray(a253[], len)
+a7(a253[], len)
+printarray(a253[], len)
+
+a1(a254[], len)
+printarray(a254[], len)
+a3(a254[], len)
+printarray(a254[], len)
+a5(a254[], len)
+printarray(a254[], len)
+a7(a254[], len)
+printarray(a254[], len)
+
+a1(a255[], len)
+printarray(a255[], len)
+a3(a255[], len)
+printarray(a255[], len)
+a5(a255[], len)
+printarray(a255[], len)
+a7(a255[], len)
+printarray(a255[], len)
+
+a1(a256[], len)
+printarray(a256[], len)
+a3(a256[], len)
+printarray(a256[], len)
+a5(a256[], len)
+printarray(a256[], len)
+a7(a256[], len)
+printarray(a256[], len)
diff --git a/tests/fuzzing/bc_inputs3/02.txt b/tests/fuzzing/bc_inputs3/02.txt
new file mode 100644
index 000000000000..8cf0f3e6fec1
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/02.txt
@@ -0,0 +1 @@
+obase^= 20-f-b-4^-f-4-4^-f-4^-d
diff --git a/tests/fuzzing/bc_inputs3/03.txt b/tests/fuzzing/bc_inputs3/03.txt
new file mode 100644
index 000000000000..00e645cea896
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/03.txt
@@ -0,0 +1,2 @@
+for (i = 0; ; )
+for (i = 0; ;(p(s(ssqrtt()-p())))000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000#000
diff --git a/tests/fuzzing/bc_inputs3/06.txt b/tests/fuzzing/bc_inputs3/06.txt
new file mode 100644
index 000000000000..29fe6be37021
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/06.txt
@@ -0,0 +1 @@
+while (i == 0) {
diff --git a/tests/fuzzing/bc_inputs3/07.txt b/tests/fuzzing/bc_inputs3/07.txt
new file mode 100644
index 000000000000..e899d8547868
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/07.txt
@@ -0,0 +1,8 @@
+for(q=F;i<=020; ++i)  #00
+{print "0"
+if(6)if(6){3
+}
+{pr0n}
+""}
+{pr0n}
+{print "" ""
diff --git a/tests/fuzzing/bc_inputs3/10.txt b/tests/fuzzing/bc_inputs3/10.txt
new file mode 100644
index 000000000000..23fb8689f598
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/10.txt
@@ -0,0 +1 @@
+d000$++
diff --git a/tests/fuzzing/bc_inputs3/12.txt b/tests/fuzzing/bc_inputs3/12.txt
new file mode 100644
index 000000000000..143bb71deeda
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/12.txt
@@ -0,0 +1,2 @@
+for (v  ;!j -90-90; ++i)
+a=  ibase       ++;0
diff --git a/tests/fuzzing/bc_inputs3/16.txt b/tests/fuzzing/bc_inputs3/16.txt
new file mode 100644
index 000000000000..977569bda330
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/16.txt
@@ -0,0 +1 @@
+"0
\ No newline at end of file
diff --git a/tests/fuzzing/bc_inputs3/trunc.txt b/tests/fuzzing/bc_inputs3/trunc.txt
new file mode 100644
index 000000000000..364bb224a2e3
--- /dev/null
+++ b/tests/fuzzing/bc_inputs3/trunc.txt
@@ -0,0 +1,15 @@
+0$
+1$
+2$
+0.8249167203486$
+1.28937150237$
+2.0$
+28937.92837605126$
+2890.000000000$
+-1$
+-1.128973$
+-9812387.28910273$
+x = 83.298
+x$
+x = -1893.19
+(x)$
diff --git a/tests/fuzzing/dc_inputs/01.txt b/tests/fuzzing/dc_inputs/01.txt
new file mode 100644
index 000000000000..9622de95a241
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/01.txt
@@ -0,0 +1,2 @@
+[[000000000
+00000]
diff --git a/tests/fuzzing/dc_inputs/02.txt b/tests/fuzzing/dc_inputs/02.txt
new file mode 100644
index 000000000000..79565935cf23
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/02.txt
@@ -0,0 +1,5 @@
+0 R
+2 1
+1 0+pRpp
+30.x
+[00000000]ip1+pR
diff --git a/tests/fuzzing/dc_inputs/03.txt b/tests/fuzzing/dc_inputs/03.txt
new file mode 100644
index 000000000000..ecede2e05629
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/03.txt
@@ -0,0 +1,2 @@
+0 lip1-si0l0+200sx_9lq+pR	30.x
+[li100L0dp1+s+sX10lM<0]sL0sJlLx
diff --git a/tests/fuzzing/dc_inputs/04.txt b/tests/fuzzing/dc_inputs/04.txt
new file mode 100644
index 000000000000..209f50c16d52
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/04.txt
@@ -0,0 +1,9 @@
+zp100000000.000004p1+pR
+0 1 1+kpR
+1 1+pR
+1 0IpR
+2 9+iR
+037 483+pR
+999 999+pR
+237467456283846vpR
+.0000000ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddsdddddddddddddddddddddddddddddddddddddddddddddddddddddsdddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd/ddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddfddddddddddddddddddddddddddddddddddddddddddddddddddddddcdddddddddddd9000000000000000000
diff --git a/tests/fuzzing/dc_inputs/05.txt b/tests/fuzzing/dc_inputs/05.txt
new file mode 100644
index 000000000000..bf2ca982ed2b
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/05.txt
@@ -0,0 +1,3 @@
+04000000000000300sx_9000.00000syzpRlxlq+pR
+30.x
+[li1000000sxL0LLLL900000.00000sLLL]sL0s0lLx
diff --git a/tests/fuzzing/dc_inputs/06.txt b/tests/fuzzing/dc_inputs/06.txt
new file mode 100644
index 000000000000..eff417eb55b4
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/06.txt
@@ -0,0 +1 @@
+00Q;pd60 p d9S06+00I;pd60Q2 0^pR
diff --git a/tests/fuzzing/dc_inputs/07.txt b/tests/fuzzing/dc_inputs/07.txt
new file mode 100644
index 000000000000..8a09152faf58
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/07.txt
@@ -0,0 +1,3 @@
+1 0 1|dR
+1 [li0L]SL10sildR
+1 [li0L]sL10|Lx
diff --git a/tests/fuzzing/dc_inputs/08.txt b/tests/fuzzing/dc_inputs/08.txt
new file mode 100644
index 000000000000..156de2f536b6
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/08.txt
@@ -0,0 +1 @@
+0 2+p[lip1-si0li!=0^di>0]S098sil0x
diff --git a/tests/fuzzing/dc_inputs/09.txt b/tests/fuzzing/dc_inputs/09.txt
new file mode 100644
index 000000000000..ffc3a08908d4
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/09.txt
@@ -0,0 +1,9 @@
+#00000
+0sm[Nx]0s0[]0s0x[]zs0x[]0s0[]zs0c
+0s0[Nx]0s0[]zs0x[]zs0x[Nx]0s0[]zs0#000000000
+0s0[Nx]0s_[]zs0x[li]zs^x[l0000000]0sm[]zs0x[liNx]zs0x[li;0lilix]
+x[liN]zsWx[liN]zs0x[li;0lilix]
+x[liNzs0x#000000000
+*sm[Nx]0sm[]zs0x[li]zs0x[Nx]0sm[]zsdc
+0sm[Nx]0sm[]zs0x[li]zs0x[Nx]0sm[]x]zsxx#000000000
+*s0[Nx]0sm[]0s00[00]zs0x[Nx]0sm[]z0dc
diff --git a/tests/fuzzing/dc_inputs/10.txt b/tests/fuzzing/dc_inputs/10.txt
new file mode 100644
index 000000000000..0fade4bb899f
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/10.txt
@@ -0,0 +1,11 @@
+#0000
+0sm[Nx]0sm[]0s0x[li]0s0x[Nfvfff[]0sm[]zs0x[li]zs0x[Nx]0sm[]zs0c
+0sm[Nx]0sm[]x[li]zs0x[Nx]0sm[]zs0c
+0sm[Nx]0sm[]zs0x[li]zs0x[Nx]0sm[]zs0c
+0sm[Nx]0sm[]zs0x[li]zs0x[Nx]0sm[]zs0#000000000
+0sm[Nx]0s0[]zs0x[li]zs0x[0000000000]0sm[]zs0x[liNx]zs0x[li;0l0l0x]
+x[liNx]zs0x#000000000
+0sm[Nx]0sm[]zs0x[li]zs0x[000]0sm[]x[li]zs0x[Nx]0sm[]zs0c
+0sm[Nx]0sm[]zs0x[li]zs0x[Nx]0sm[]zs0#0000
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diff --git a/tests/fuzzing/dc_inputs/11.txt b/tests/fuzzing/dc_inputs/11.txt
new file mode 100644
index 000000000000..73bbc7d88f1c
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/11.txt
@@ -0,0 +1,4 @@
+#00000000
+[[00000]aa]sM[lip1-si0li>0eM]s010sil0x
+[[0000]00]sM[]s010sil0x
+[R]sM[lip=000]s0;0
diff --git a/tests/fuzzing/dc_inputs/12.txt b/tests/fuzzing/dc_inputs/12.txt
new file mode 100644
index 000000000000..aff25e7381cd
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/12.txt
@@ -0,0 +1,2 @@
+1;09R0si[lii000000000000000000000000000000000000000000]li1000 2346dvdddd;ddddddddddddd?-sdddddddddd0+dd0 1+pR
+0dvdddd;ddSddddddddddd 0si[lid1+sil0sili10li?-s0]dsxx[00000000]li1000 2000dvddddddddddddddddddddddddd0 0+ddd 1+pR
diff --git a/tests/fuzzing/dc_inputs/13.txt b/tests/fuzzing/dc_inputs/13.txt
new file mode 100644
index 000000000000..e6af9463e38c
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/13.txt
@@ -0,0 +1,7 @@
+zp10[00000000\00]pppppppppppppppR
+_1 _1(pR
+_1 _2(pR
+2 1{pR
+_1 1{pR 990+pR
+2000000 300000300000000+pR
+2070000000aaaaaaaaaaaaaaxaaaaaaaaaaaaR
diff --git a/tests/fuzzing/dc_inputs/14.txt b/tests/fuzzing/dc_inputs/14.txt
new file mode 100644
index 000000000000..741f3bfd7704
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/14.txt
@@ -0,0 +1,7 @@
+0bpR
+1bpR
+.200000bpR
+100000.0000600bpR
+_10bpR
+_.1000000bpR
+_30000.00bpR:
\ No newline at end of file
diff --git a/tests/fuzzing/dc_inputs/15.txt b/tests/fuzzing/dc_inputs/15.txt
new file mode 100644
index 000000000000..828e8204a2aa
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/15.txt
@@ -0,0 +1,11 @@
+0bpax1bpR
+1bpR
+.30b900pR
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+_30_.1/10bp30_.1/90
+_300.1/90/90
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+70.000 70u
diff --git a/tests/fuzzing/dc_inputs/16.txt b/tests/fuzzing/dc_inputs/16.txt
new file mode 100644
index 000000000000..b021dd66d7ff
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/16.txt
@@ -0,0 +1 @@
+0  0;^dddddRps0R@s016dddRRd^2ddRZ(b-P;;$p;;;;;;9;;;;;;$ppppppppppppp30
diff --git a/tests/fuzzing/dc_inputs/17.txt b/tests/fuzzing/dc_inputs/17.txt
new file mode 100644
index 000000000000..fb46510fc3e3
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/17.txt
@@ -0,0 +1,20 @@
+0 1(pR
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+1
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+_30000000000000000000000000
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+_30000000000000.00000000000
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+_10pR
+=390NpR
+_2000
+40000 5000C 2i>0eM]s01@sil0x
diff --git a/tests/fuzzing/dc_inputs/18.txt b/tests/fuzzing/dc_inputs/18.txt
new file mode 100644
index 000000000000..ed2659d097c2
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/18.txt
@@ -0,0 +1,3 @@
+1oVVf[li;WORli1S0Zli1;rORli1dH|2li@d-NliO+rK28729@9547628O745/pR
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diff --git a/tests/fuzzing/dc_inputs/20.txt b/tests/fuzzing/dc_inputs/20.txt
new file mode 100644
index 000000000000..aa7752a85c67
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/20.txt
@@ -0,0 +1,3 @@
+#0000
+I20PPrP PPPP PPs0daP1:0pR
+ PPP1d:0pRR
diff --git a/tests/fuzzing/dc_inputs/21.txt b/tests/fuzzing/dc_inputs/21.txt
new file mode 100644
index 000000000000..01707d8256b6
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/21.txt
@@ -0,0 +1,5 @@
+0bpR
+1bpR
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+S09bpR
diff --git a/tests/fuzzing/dc_inputs/22.txt b/tests/fuzzing/dc_inputs/22.txt
new file mode 100644
index 000000000000..898184649926
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/22.txt
@@ -0,0 +1,36 @@
+[0000000000000]ZpR
+[He00
+[0000000\00000000]00
+[0000000\00000000]000
+[0000000\00000000]00
+[0000]
+00000]
+[28pR]
+[27pR]
+[26pR]
+[25pR]
+[24pR]
+[23pR]
+[22pR]
+[21pR]
+[20pR]
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+[9pR]
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+[6pR]
+[5pR]
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+[xz0<x]dsxx
diff --git a/tests/fuzzing/dc_inputs/23.txt b/tests/fuzzing/dc_inputs/23.txt
new file mode 100644
index 000000000000..1897dfbbb0aa
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/23.txt
@@ -0,0 +1,2 @@
+#00000000
+[[0000]00]SM[l0p1-s00l0`000]s010sil0x
diff --git a/tests/fuzzing/dc_inputs/24.txt b/tests/fuzzing/dc_inputs/24.txt
new file mode 100644
index 000000000000..fb9b04f7f5b8
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/24.txt
@@ -0,0 +1 @@
+ [] 0:xX:0 0:0X:0n/dc.000C00}pR
diff --git a/tests/fuzzing/dc_inputs/25.txt b/tests/fuzzing/dc_inputs/25.txt
new file mode 100644
index 000000000000..d48a9b2e83fd
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/25.txt
@@ -0,0 +1,6 @@
+#00000000
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+1 2
+s0[l0d:0l01;0d:0l01;0pRl01+s0l010>x]dsxx0sx0s0
+1 2
+€
diff --git a/tests/fuzzing/dc_inputs/26.txt b/tests/fuzzing/dc_inputs/26.txt
new file mode 100644
index 000000000000..731d3969ac3b
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/26.txt
@@ -0,0 +1,155 @@
+0bpR
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diff --git a/tests/fuzzing/dc_inputs/27.txt b/tests/fuzzing/dc_inputs/27.txt
new file mode 100644
index 000000000000..69745b952afc
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/27.txt
@@ -0,0 +1,2 @@
+"0000000\
+
diff --git a/tests/fuzzing/dc_inputs/28.txt b/tests/fuzzing/dc_inputs/28.txt
new file mode 100644
index 000000000000..fe81732b3e38
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/28.txt
@@ -0,0 +1 @@
+10 4%0:i[000] 1:b 0;0 p 1;b0:b [000] 1:b 0;b p 1;b~b 0;b p 0;b~~~0k
diff --git a/tests/fuzzing/dc_inputs/29.txt b/tests/fuzzing/dc_inputs/29.txt
new file mode 100644
index 000000000000..886eb8ee0a8e
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/29.txt
@@ -0,0 +1,13 @@
+10 4%0:b [200] 1:b 0;b 1;b X
+ 2000 1%p0
+3460:b [200] 1:b 0;b p bp0
+.2 1%pR
+6 4%pR
+10 4%0:b [200] 1:b 0;b p 1;b X
+ 20000 1%pR
+b 0;b p 0;b2 
+1bpb [200] 1:u 0;b p 1;b X
+ 2
+[000] 0:b [200] 0:b 0;b p S0b p
+[s0]XpR
+
diff --git a/tests/fuzzing/dc_inputs/30.txt b/tests/fuzzing/dc_inputs/30.txt
new file mode 100644
index 000000000000..e072e71617d8
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/30.txt
@@ -0,0 +1 @@
+0;0[]0:b;bs0l0x;0
diff --git a/tests/fuzzing/dc_inputs/abs.txt b/tests/fuzzing/dc_inputs/abs.txt
new file mode 100644
index 000000000000..9907dfc6679d
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/abs.txt
@@ -0,0 +1,7 @@
+0bpR
+1bpR
+.218933bpR
+138963.9873645bpR
+_19bpR
+_.1298376bpR
+_3892173.289375bpR
diff --git a/tests/fuzzing/dc_inputs/add.txt b/tests/fuzzing/dc_inputs/add.txt
new file mode 100644
index 000000000000..42da2f1f309c
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/add.txt
@@ -0,0 +1,33 @@
+0 0+pR
+0 0 0++pR
+0 1+pR
+0 1 1++pR
+1 1+pR
+1 0+pR
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+_1889985797 2012747315+pR
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+_2422297 1.3134942556+pR
+_1289374 1289374.2893417 0.238971 28937.28971+++pR
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+1289374 1289374.2893417 0.238971 _28937.28971+++pR
+1289374 1289374.2893417 _0.238971 _28937.28971+++pR
+1289374 _1289374.2893417 _0.238971 _28937.28971+++pR
diff --git a/tests/fuzzing/dc_inputs/array.dc b/tests/fuzzing/dc_inputs/array.dc
new file mode 100644
index 000000000000..970f29a68768
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/array.dc
@@ -0,0 +1,2 @@
+#! /usr/bin/dc
+0si[lid:rli1+sili100>x]dsxx[li;rpRli1-sili100!>x]li1+[li;rpRli1+sili100>x]
diff --git a/tests/fuzzing/dc_inputs/boolean.txt b/tests/fuzzing/dc_inputs/boolean.txt
new file mode 100644
index 000000000000..815100f0d085
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/boolean.txt
@@ -0,0 +1,80 @@
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+_1 1(pR
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diff --git a/tests/fuzzing/dc_inputs/decimal.txt b/tests/fuzzing/dc_inputs/decimal.txt
new file mode 100644
index 000000000000..fdc628c857e0
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/decimal.txt
@@ -0,0 +1,41 @@
+0pR
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diff --git a/tests/fuzzing/dc_inputs/divide.txt b/tests/fuzzing/dc_inputs/divide.txt
new file mode 100644
index 000000000000..38b874e9f175
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/divide.txt
@@ -0,0 +1,33 @@
+20k
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+_0.9186739823576829347586 _0.235678293458756239846/pR
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+1 0.00000000000000000000000000000000000000000002346728372937352457354204563027/pR
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diff --git a/tests/fuzzing/dc_inputs/divmod.txt b/tests/fuzzing/dc_inputs/divmod.txt
new file mode 100644
index 000000000000..1633203ff99f
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/divmod.txt
@@ -0,0 +1,64 @@
+20k
+0 1~pRpR
+0 321566~pRpR
+0 0.3984567238456~pRpR
+1 1~pRpR
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diff --git a/tests/fuzzing/dc_inputs/else.dc b/tests/fuzzing/dc_inputs/else.dc
new file mode 100644
index 000000000000..84deb8754e9f
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/else.dc
@@ -0,0 +1,4 @@
+#! /usr/bin/dc
+[[Done!]pR]sM[lip1-si0li>LeM]sL10silLx
+[[Done!]pR]sM[lip1-si0li!<LeM]sL10silLx
+[[Done!]pR]sM[lip1-si0li!=LeM]sL10silLx
diff --git a/tests/fuzzing/dc_inputs/engineering.txt b/tests/fuzzing/dc_inputs/engineering.txt
new file mode 100644
index 000000000000..90a35052b3cb
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/engineering.txt
@@ -0,0 +1,19 @@
+1o
+0pR
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diff --git a/tests/fuzzing/dc_inputs/loop.dc b/tests/fuzzing/dc_inputs/loop.dc
new file mode 100644
index 000000000000..26cec23818df
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/loop.dc
@@ -0,0 +1,3 @@
+#! /usr/bin/dc
+[lip1-si0li>L]sL10silLx
+[lip1+si10li<L]sL0silLx
diff --git a/tests/fuzzing/dc_inputs/misc.txt b/tests/fuzzing/dc_inputs/misc.txt
new file mode 100644
index 000000000000..222a3ad265d2
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/misc.txt
@@ -0,0 +1 @@
+zp198202389.289374pzp[Hello, World!]pzpzpfrfczpfR
diff --git a/tests/fuzzing/dc_inputs/modexp.txt b/tests/fuzzing/dc_inputs/modexp.txt
new file mode 100644
index 000000000000..a6afb998558e
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/modexp.txt
@@ -0,0 +1,103 @@
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diff --git a/tests/fuzzing/dc_inputs/modulus.txt b/tests/fuzzing/dc_inputs/modulus.txt
new file mode 100644
index 000000000000..613944b2001a
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/modulus.txt
@@ -0,0 +1,70 @@
+20k
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diff --git a/tests/fuzzing/dc_inputs/multiply.txt b/tests/fuzzing/dc_inputs/multiply.txt
new file mode 100644
index 000000000000..1f9041d06ea7
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/multiply.txt
@@ -0,0 +1,42 @@
+0 0*pR
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diff --git a/tests/fuzzing/dc_inputs/places.txt b/tests/fuzzing/dc_inputs/places.txt
new file mode 100644
index 000000000000..308ff1373d64
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/places.txt
@@ -0,0 +1,14 @@
+0 0@pR
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diff --git a/tests/fuzzing/dc_inputs/power.txt b/tests/fuzzing/dc_inputs/power.txt
new file mode 100644
index 000000000000..955e42557a15
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/power.txt
@@ -0,0 +1,36 @@
+20k
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diff --git a/tests/fuzzing/dc_inputs/quit.dc b/tests/fuzzing/dc_inputs/quit.dc
new file mode 100644
index 000000000000..81e6289af25b
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/quit.dc
@@ -0,0 +1,2 @@
+1se [li p 1+si le li !=lem]sl [lk p 1+sk le lk !=o]so [0sk lox leQ 0sk lox le 3*1+Q 0sk lox]sm [0si llx le 1+se 10 le !=n]dsnx
+1si [li p 1+si 10 li !=set]ss [1000Q]st lsx
diff --git a/tests/fuzzing/dc_inputs/scientific.txt b/tests/fuzzing/dc_inputs/scientific.txt
new file mode 100644
index 000000000000..240473b0bbca
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/scientific.txt
@@ -0,0 +1,55 @@
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diff --git a/tests/fuzzing/dc_inputs/shift.txt b/tests/fuzzing/dc_inputs/shift.txt
new file mode 100644
index 000000000000..628b0a5bf6fe
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/shift.txt
@@ -0,0 +1,42 @@
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+89136.892348976 7hpR
+1892634051829351283289298 24hpR
+_1 0HpR
+_2 0HpR
+_0.0023896 0HpR
+_1.298346 0HpR
+_2.00000000 0HpR
+_0.0023896 3HpR
+_1.298346 4HpR
+_2.00000000 5HpR
+_89136.892348976 7HpR
+_1892634051829351283289298 24HpR
+_1 0hpR
+_2 0hpR
+_0.0023896 0hpR
+_1.298346 0hpR
+_2.00000000 0hpR
+_0.0023896 3hpR
+_1.298346 4hpR
+_2.00000000 5hpR
+_89136.892348976 7hpR
+_1892634051829351283289298 24hpR
diff --git a/tests/fuzzing/dc_inputs/sqrt.txt b/tests/fuzzing/dc_inputs/sqrt.txt
new file mode 100644
index 000000000000..7c13fdd0bb5d
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/sqrt.txt
@@ -0,0 +1,14 @@
+20k
+0vpR
+2vpR
+4vpR
+9vpR
+16vpR
+25vpR
+121vpR
+48765vpR
+9287356207356vpR
+0.189274385967238956872354vpR
+12389467137496823.134567829387456283946vpR
+.0000000000000000000000000000123vpR
+1vpR
diff --git a/tests/fuzzing/dc_inputs/stack_len.txt b/tests/fuzzing/dc_inputs/stack_len.txt
new file mode 100644
index 000000000000..1b367f3affa8
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/stack_len.txt
@@ -0,0 +1,15 @@
+zp
+zp
+zp
+zp
+sa
+yap
+Sa
+yap
+Sa
+yapR
+La
+yapR
+La
+yap
+zp
diff --git a/tests/fuzzing/dc_inputs/stdin.txt b/tests/fuzzing/dc_inputs/stdin.txt
new file mode 100644
index 000000000000..7bf8316b99af
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/stdin.txt
@@ -0,0 +1,205 @@
+0si[lid:rli1+sili10>x]dsxxli1-si[li;rpRli1-sili0!>x]dsxxli1+si[li;rpRli1+sili10>x]dsxx0sx0si
+1 2+p
+[foo]
+0
+1+p
+2+p
+3+p
+4+p
+5+p
+6+p
+7+p
+8+p
+9+p
+10+p
+11+p
+12+p
+13+p
+14+p
+15+p
+16+p
+17+p
+18+p
+19+p
+20+p
+21+p
+22+p
+23+p
+24+p
+25+p
+26+p
+27+p
+28+p
+29+p
+30+p
+31+p
+32+p
+33+p
+34+p
+35+p
+36+p
+37+p
+38+p
+39+p
+40+p
+41+p
+42+p
+43+p
+44+p
+45+p
+46+p
+47+p
+48+p
+49+p
+50+p
+51+p
+52+p
+53+p
+54+p
+55+p
+56+p
+57+p
+58+p
+59+p
+60+p
+61+p
+62+p
+63+p
+64+p
+65+p
+66+p
+67+p
+68+p
+69+p
+70+p
+71+p
+72+p
+73+p
+74+p
+75+p
+76+p
+77+p
+78+p
+79+p
+80+p
+81+p
+82+p
+83+p
+84+p
+85+p
+86+p
+87+p
+88+p
+89+p
+90+p
+91+p
+92+p
+93+p
+94+p
+95+p
+96+p
+97+p
+98+p
+99+p
+100+p
+101+p
+102+p
+103+p
+104+p
+105+p
+106+p
+107+p
+108+p
+109+p
+110+p
+111+p
+112+p
+113+p
+114+p
+115+p
+116+p
+117+p
+118+p
+119+p
+120+p
+121+p
+122+p
+123+p
+124+p
+125+p
+126+p
+127+p
+128+p
+129+p
+130+p
+131+p
+132+p
+133+p
+134+p
+135+p
+136+p
+137+p
+138+p
+139+p
+140+p
+141+p
+142+p
+143+p
+144+p
+145+p
+146+p
+147+p
+148+p
+149+p
+150+p
+151+p
+152+p
+153+p
+154+p
+155+p
+156+p
+157+p
+158+p
+159+p
+160+p
+161+p
+162+p
+163+p
+164+p
+165+p
+166+p
+167+p
+168+p
+169+p
+170+p
+171+p
+172+p
+173+p
+174+p
+175+p
+176+p
+177+p
+178+p
+179+p
+180+p
+181+p
+182+p
+183+p
+184+p
+185+p
+186+p
+187+p
+188+p
+189+p
+190+p
+191+p
+192+p
+193+p
+194+p
+195+p
+196+p
+197+p
+198+p
+199+p
+200+p
+p
diff --git a/tests/fuzzing/dc_inputs/stream.dc b/tests/fuzzing/dc_inputs/stream.dc
new file mode 100644
index 000000000000..5c61e7c931f9
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/stream.dc
@@ -0,0 +1,2 @@
+#! /usr/bin/dc
+0si[liPlid1+sili4096>x]ddsxPx
diff --git a/tests/fuzzing/dc_inputs/strings.txt b/tests/fuzzing/dc_inputs/strings.txt
new file mode 100644
index 000000000000..460976abbd9e
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/strings.txt
@@ -0,0 +1,51 @@
+[Hello, World!]ZpR
+[Hello, World!]pR
+[Hello, \[ World!]ZpR
+[Hello, \[ World!]pR
+[Hello, \] World!]ZpR
+[Hello, \] World!]pR
+[30pR]
+[29pR]
+[28pR]
+[27pR]
+[26pR]
+[25pR]
+[24pR]
+[23pR]
+[22pR]
+[21pR]
+[20pR]
+[19pR]
+[18pR]
+[17pR]
+[16pR]
+[15pR]
+[14pR]
+[13pR]
+[12pR]
+[11pR]
+[10pR]
+[9pR]
+[8pR]
+[7pR]
+[6pR]
+[5pR]
+[4pR]
+[3pR]
+[2pR]
+[1pR]
+[xz0<x]dsxx
+[\\]pR
+[\[\]]pR
+1xpR
+[1st] 0:b [2nd] 1:b 0;b p 1;b p
+[string]XpR
+[3 4^pR]silix
+[[[q 1 3+pR]x]x]x4 5^pR
+4xpR
+5 112ax 90ax 112ax 82ax
+[\q] pR
+[q\\] pR
+[\\] pR
+92 a pR
+[[10pR]si]x [[lix]x]x
diff --git a/tests/fuzzing/dc_inputs/subtract.txt b/tests/fuzzing/dc_inputs/subtract.txt
new file mode 100644
index 000000000000..2cb4104fb717
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/subtract.txt
@@ -0,0 +1,33 @@
+0 0-pR
+0 1-pR
+1 0-pR
+1 1-pR
+5 2-pR
+2 9-pR
+321974 12845976238457-pR
+2874519803456710938465 384723854-pR
+10000000000000000000000000000000000000000 999999999999999999999999999999999999999-pR
+10000000000000000000000000000000000000000 9999999999999999999999999999999999999999-pR
+10000000000000000000000000000000000000000 999999999999999999999999999999999999999.99999999999999999999999999999999999-pR
+10000000000000000000000000000000000000000 9999999999999999999999999999999999999999.9999999999999999999999999999999999-pR
+10000000000000000000000000000000000000000 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000001-pR
+10000000000000000000000000000000000000001 0.00000000000000000000000000000000000000000000000000000000000000000000000000000000000001-pR
+10000000000000000000000000000000000000000.0000000001 0.0000000000000000000000000000000000000000000000000000000000000000000000000001-pR
+_2 6-pR
+_23784692345 182934721309467230894628735496027345-pR
+_224352354962873059862 _1245723576829456278354960278345-pR
+_3468273598 _12354243-pR
+_0.92345768293 _2354768923-pR
+_712384634.123476823 _24768293376-pR
+_1879234638 _0.917234869234-pR
+_0.9172438692134 _0.971284967124-pR
+_0.1283475123465 _0.937462346-pR
+_124765829346.2837468293562 _0.923467829346-pR
+_12476829385769 _1928476259034.8378629356-pR
+_0.38476284395876345 _94875394587623.2357869324857-pR
+_4674596708467.34754789403674343567 _48672394852354698.237548629345-pR
+979519669 3018100865-pR
+929002449 3280677283-pR
+0 _525898-pR
+3 _3-pR
+2 _1 2893714 _2189367411289 _.8921374 3.9201384----pR
diff --git a/tests/fuzzing/dc_inputs/vars.txt b/tests/fuzzing/dc_inputs/vars.txt
new file mode 100644
index 000000000000..bbe73b47d81f
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/vars.txt
@@ -0,0 +1,2 @@
+298734.8921702348sx_928374892.28937syzpRlxly+pR
+298734.8921702348S xotj _928374892.28937S yotp zpRl xotj l yotp-pRzpR L xotj L yotp-pR
diff --git a/tests/fuzzing/dc_inputs/weird.dc b/tests/fuzzing/dc_inputs/weird.dc
new file mode 100644
index 000000000000..391ec05d6282
--- /dev/null
+++ b/tests/fuzzing/dc_inputs/weird.dc
@@ -0,0 +1,2 @@
+#! /usr/bin/dc
+zp198202389.289374pzp[He World!]SzpzXfrfxzpfR
diff --git a/tests/other.sh b/tests/other.sh
index bd0014641846..64ba877a20c0 100755
--- a/tests/other.sh
+++ b/tests/other.sh
@@ -152,16 +152,19 @@ if [ "$d" = "bc" ]; then
 	printf '5\n0\n' > "$redefine_res"
 
 	"$exe" "$@" --redefine=print -e 'define print(x) { x }' -e 'print(5)' > "$redefine_out"
+	err="$?"
 
 	checktest "$d" "$err" "keyword redefinition" "$redefine_res" "$redefine_out"
 
 	"$exe" "$@" -r "abs" -r "else" -e 'abs = 5;else = 0' -e 'abs;else' > "$redefine_out"
+	err="$?"
 
 	checktest "$d" "$err" "keyword redefinition" "$redefine_res" "$redefine_out"
 
 	if [ "$extra_math" -ne 0 ]; then
 
 		"$exe" "$@" -lr abs -e "perm(5, 1)" -e "0" > "$redefine_out"
+		err="$?"
 
 		checktest "$d" "$err" "keyword not redefined in builtin library" "$redefine_res" "$redefine_out"
 
@@ -178,6 +181,53 @@ if [ "$d" = "bc" ]; then
 	checkerrtest "$d" "$err" "Keyword redefinition error without BC_REDEFINE_KEYWORDS" "$redefine_out" "$d"
 
 	printf 'pass\n'
+	printf 'Running multiline comment expression file test...'
+
+	multiline_expr_res=""
+	multiline_expr_out="$outputdir/bc_outputs/multiline_expr_results.txt"
+
+	# tests/bc/misc1.txt happens to have a multiline comment in it.
+	"$exe" "$@" -f "$testdir/bc/misc1.txt" > "$multiline_expr_out"
+	err="$?"
+
+	checktest "$d" "$err" "multiline comment in expression file" "$testdir/bc/misc1_results.txt" \
+		"$multiline_expr_out"
+
+	printf 'pass\n'
+	printf 'Running multiline comment expression file error test...'
+
+	"$exe" "$@" -f "$testdir/bc/errors/05.txt" 2> "$multiline_expr_out"
+	err="$?"
+
+	checkerrtest "$d" "$err" "multiline comment in expression file error" \
+		"$multiline_expr_out" "$d"
+
+	printf 'pass\n'
+	printf 'Running multiline string expression file test...'
+
+	# tests/bc/strings.txt happens to have a multiline string in it.
+	"$exe" "$@" -f "$testdir/bc/strings.txt" > "$multiline_expr_out"
+	err="$?"
+
+	checktest "$d" "$err" "multiline string in expression file" "$testdir/bc/strings_results.txt" \
+		"$multiline_expr_out"
+
+	printf 'pass\n'
+	printf 'Running multiline string expression file error test...'
+
+	"$exe" "$@" -f "$testdir/bc/errors/16.txt" 2> "$multiline_expr_out"
+	err="$?"
+
+	checkerrtest "$d" "$err" "multiline string in expression file with backslash error" \
+		"$multiline_expr_out" "$d"
+
+	"$exe" "$@" -f "$testdir/bc/errors/04.txt" 2> "$multiline_expr_out"
+	err="$?"
+
+	checkerrtest "$d" "$err" "multiline string in expression file error" \
+		"$multiline_expr_out" "$d"
+
+	printf 'pass\n'
 
 else