diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/compactunmarshal-fuzz.zip b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/compactunmarshal-fuzz.zip
new file mode 100644
index 000000000000..f6ce71b0302f
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/compactunmarshal-fuzz.zip differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/015d776445f9c60374365850821267d19cb27e43-2 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/015d776445f9c60374365850821267d19cb27e43-2
new file mode 100644
index 000000000000..27992fe8ac80
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/015d776445f9c60374365850821267d19cb27e43-2
@@ -0,0 +1 @@
+ÐÔ
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/0ce0dda939ec4a33f3a32b8324d914929c22683a-3 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/0ce0dda939ec4a33f3a32b8324d914929c22683a-3
new file mode 100644
index 000000000000..23183704226a
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/0ce0dda939ec4a33f3a32b8324d914929c22683a-3
@@ -0,0 +1 @@
+€ÔÔ¬‹F
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/1.txt b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/1.txt
new file mode 100755
index 000000000000..35a038769b15
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/1.txt differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/112a601c162c791bf9d3ee3f6049a640daf3d786-5 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/112a601c162c791bf9d3ee3f6049a640daf3d786-5
new file mode 100644
index 000000000000..9074b160d51e
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/112a601c162c791bf9d3ee3f6049a640daf3d786-5
@@ -0,0 +1 @@
+€Ô€Ô‹€‹€¬Ô
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/2.txt b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/2.txt
new file mode 100755
index 000000000000..ffeea6322f5c
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/2.txt differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/203f9726741dfb8a51d9805dc7a0a7fc24a3dca7-6 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/203f9726741dfb8a51d9805dc7a0a7fc24a3dca7-6
new file mode 100644
index 000000000000..ad7fb4cfc57b
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/203f9726741dfb8a51d9805dc7a0a7fc24a3dca7-6
@@ -0,0 +1 @@
+€¬ÔÔ€Ô‹€‹€¬ÔÔ€Ô‹€Ô
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/215360d1b081bb427aebac584d739a6033ed592b-6 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/215360d1b081bb427aebac584d739a6033ed592b-6
new file mode 100644
index 000000000000..84545cac1948
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/215360d1b081bb427aebac584d739a6033ed592b-6 differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/2cf6aaaa5e6b95be1ae16e0c009008cca850988a-1 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/2cf6aaaa5e6b95be1ae16e0c009008cca850988a-1
new file mode 100644
index 000000000000..af4da2407b6a
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/2cf6aaaa5e6b95be1ae16e0c009008cca850988a-1
@@ -0,0 +1 @@
+ÐÔ%
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/3.txt b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/3.txt
new file mode 100755
index 000000000000..571b01edfae7
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/3.txt differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/375632d935524abc4b939f6c8a7296aed724df82-3 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/375632d935524abc4b939f6c8a7296aed724df82-3
new file mode 100644
index 000000000000..ff03d54899d1
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/375632d935524abc4b939f6c8a7296aed724df82-3
@@ -0,0 +1 @@
+ÐÔÃÑf
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/4.txt b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/4.txt
new file mode 100755
index 000000000000..74e664803313
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/4.txt differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/49d1f757a9811c755b5d6dfe884924db13853444-2 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/49d1f757a9811c755b5d6dfe884924db13853444-2
new file mode 100644
index 000000000000..c9c4e9daada2
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/49d1f757a9811c755b5d6dfe884924db13853444-2
@@ -0,0 +1 @@
+€ÔÔ%
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/5.txt b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/5.txt
new file mode 100755
index 000000000000..541ab7e3ff95
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/5.txt differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/6.txt b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/6.txt
new file mode 100755
index 000000000000..06a2fb00d006
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/6.txt differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/7.txt b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/7.txt
new file mode 100755
index 000000000000..a28a17001a8d
Binary files /dev/null and b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/7.txt differ
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/7493817f16eb4ec6cfbf667389262338ac07b1f4-4 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/7493817f16eb4ec6cfbf667389262338ac07b1f4-4
new file mode 100644
index 000000000000..3d4717da3f99
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/7493817f16eb4ec6cfbf667389262338ac07b1f4-4
@@ -0,0 +1 @@
+€Ô‹€¬Ô
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/8723538b86918ded47a002c03c31b27f92395dcb-8 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/8723538b86918ded47a002c03c31b27f92395dcb-8
new file mode 100644
index 000000000000..d5ba419aca69
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/8723538b86918ded47a002c03c31b27f92395dcb-8
@@ -0,0 +1 @@
+€¬ÔÔÔ€‹€Ô€¬ÔÔ€Ô‹€¬ÔÔ€ÔÔ€‹€Ô€¬ÔÔ€Ô‹€¬ÔÔ€ÔÔ€Ô‹€¬ÔÔ€‹€ÔÔ‹€¬ÔÔ€‹€ÔÔ€¬ÔÔ€€Ô‹€Ô
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/a600100b23e3d1792ac7cb00c41fda0d067e6e19-7 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/a600100b23e3d1792ac7cb00c41fda0d067e6e19-7
new file mode 100644
index 000000000000..5eb955343c42
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/a600100b23e3d1792ac7cb00c41fda0d067e6e19-7
@@ -0,0 +1 @@
+€¬ÔÔ€¬ÔÔ€ÔÔ€Ô‹€¬ÔÔ€‹€ÔÔ€¬ÔÔ€€Ô‹€Ô
\ No newline at end of file
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/da39a3ee5e6b4b0d3255bfef95601890afd80709-1 b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/corpus/da39a3ee5e6b4b0d3255bfef95601890afd80709-1
new file mode 100644
index 000000000000..e69de29bb2d1
diff --git a/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/main.go b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/main.go
new file mode 100644
index 000000000000..0cad63372b78
--- /dev/null
+++ b/fuzz/crypto/types/CompactBitArray/marshalUnmarshal/main.go
@@ -0,0 +1,16 @@
+package marshalunmarshal
+
+import (
+	"github.com/cosmos/cosmos-sdk/crypto/types"
+)
+
+func Fuzz(data []byte) int {
+	cba, err := types.CompactUnmarshal(data)
+	if err != nil {
+		return 0
+	}
+	if cba == nil {
+		panic("Inconsistency, no error, yet BitArray is nil")
+	}
+	return 1
+}