diff --git a/fs_mgr/libsnapshot/Android.bp b/fs_mgr/libsnapshot/Android.bp
index e916693..c191102 100644
--- a/fs_mgr/libsnapshot/Android.bp
+++ b/fs_mgr/libsnapshot/Android.bp
@@ -289,7 +289,7 @@
         canonical_path_from_root: false,
         local_include_dirs: ["."],
     },
-
+    corpus: ["corpus/*"],
     fuzz_config: {
         cc: ["android-virtual-ab+bugs@google.com"],
         componentid: 30545,
diff --git a/fs_mgr/libsnapshot/corpus/launch_device.txt b/fs_mgr/libsnapshot/corpus/launch_device.txt
new file mode 100644
index 0000000..55a7f2c
--- /dev/null
+++ b/fs_mgr/libsnapshot/corpus/launch_device.txt
@@ -0,0 +1,161 @@
+device_info_data {
+  slot_suffix_is_a: true
+  is_overlayfs_setup: false
+  allow_set_boot_control_merge_status: true
+  allow_set_slot_as_unbootable: true
+  is_recovery: false
+}
+manager_data {
+  is_local_image_manager: false
+}
+is_super_metadata_valid: true
+super_data {
+  partitions {
+    partition_name: "sys_a"
+    new_partition_info {
+      size: 3145728
+    }
+  }
+  partitions {
+    partition_name: "vnd_a"
+    new_partition_info {
+      size: 3145728
+    }
+  }
+  partitions {
+    partition_name: "prd_a"
+    new_partition_info {
+      size: 3145728
+    }
+  }
+  dynamic_partition_metadata {
+    groups {
+      name: "group_google_dp_a"
+      size: 15728640
+      partition_names: "sys_a"
+      partition_names: "vnd_a"
+      partition_names: "prd_a"
+    }
+  }
+}
+has_metadata_snapshots_dir: true
+actions {
+  begin_update {
+  }
+}
+actions {
+  create_update_snapshots {
+    partitions {
+      partition_name: "sys"
+      new_partition_info {
+        size: 3878912
+      }
+      operations {
+        type: ZERO,
+        dst_extents {
+          start_block: 0
+          num_blocks: 947
+        }
+      }
+    }
+    partitions {
+      partition_name: "vnd"
+      new_partition_info {
+        size: 3878912
+      }
+      operations {
+        type: ZERO,
+        dst_extents {
+          start_block: 0
+          num_blocks: 947
+        }
+      }
+    }
+    partitions {
+      partition_name: "prd"
+      new_partition_info {
+        size: 3878912
+      }
+      operations {
+        type: ZERO,
+        dst_extents {
+          start_block: 0
+          num_blocks: 947
+        }
+      }
+    }
+    dynamic_partition_metadata {
+      groups {
+        name: "group_google_dp"
+        size: 15728640
+        partition_names: "sys"
+        partition_names: "vnd"
+        partition_names: "prd"
+      }
+    }
+  }
+}
+actions {
+  map_update_snapshot {
+    use_correct_super: true
+    has_metadata_slot: true
+    metadata_slot: 1
+    partition_name: "sys_b"
+    force_writable: true
+    timeout_millis: 3000
+  }
+}
+actions {
+  map_update_snapshot {
+    use_correct_super: true
+    has_metadata_slot: true
+    metadata_slot: 1
+    partition_name: "vnd_b"
+    force_writable: true
+    timeout_millis: 3000
+  }
+}
+actions {
+  map_update_snapshot {
+    use_correct_super: true
+    has_metadata_slot: true
+    metadata_slot: 1
+    partition_name: "prd_b"
+    force_writable: true
+    timeout_millis: 3000
+  }
+}
+actions {
+  finished_snapshot_writes: false
+}
+actions {
+  unmap_update_snapshot: "sys_b"
+}
+actions {
+  unmap_update_snapshot: "vnd_b"
+}
+actions {
+  unmap_update_snapshot: "prd_b"
+}
+actions {
+  switch_slot {
+  }
+}
+actions {
+  need_snapshots_in_first_stage_mount {
+  }
+}
+actions {
+  create_logical_and_snapshot_partitions {
+    use_correct_super: true
+    timeout_millis: 5000
+  }
+}
+actions {
+  initiate_merge {
+  }
+}
+actions {
+  process_update_state {
+  }
+}
diff --git a/fs_mgr/libsnapshot/fuzz.sh b/fs_mgr/libsnapshot/fuzz.sh
index 2910129..0e57674 100755
--- a/fs_mgr/libsnapshot/fuzz.sh
+++ b/fs_mgr/libsnapshot/fuzz.sh
@@ -3,7 +3,8 @@
 FUZZ_TARGET=libsnapshot_fuzzer
 TARGET_ARCH=$(get_build_var TARGET_ARCH)
 FUZZ_BINARY=/data/fuzz/${TARGET_ARCH}/${FUZZ_TARGET}/${FUZZ_TARGET}
-DEVICE_CORPSE_DIR=/data/local/tmp/${FUZZ_TARGET}
+DEVICE_INIT_CORPUS_DIR=/data/fuzz/${TARGET_ARCH}/${FUZZ_TARGET}/corpus
+DEVICE_GENERATED_CORPUS_DIR=/data/local/tmp/${FUZZ_TARGET}/corpus
 DEVICE_GCOV_DIR=/data/local/tmp/${FUZZ_TARGET}/gcov
 HOST_SCRATCH_DIR=/tmp/${FUZZ_TARGET}
 GCOV_TOOL=${HOST_SCRATCH_DIR}/llvm-gcov
@@ -26,13 +27,14 @@
 
 prepare_device() {
     adb root && adb remount &&
-    adb shell mkdir -p ${DEVICE_CORPSE_DIR} &&
+    adb shell mkdir -p ${DEVICE_GENERATED_CORPUS_DIR} &&
     adb shell rm -rf ${DEVICE_GCOV_DIR} &&
     adb shell mkdir -p ${DEVICE_GCOV_DIR}
 }
 
 push_binary() {
-    adb push ${ANDROID_PRODUCT_OUT}/${FUZZ_BINARY} ${FUZZ_BINARY}
+    adb push ${ANDROID_PRODUCT_OUT}/${FUZZ_BINARY} ${FUZZ_BINARY} &&
+    adb push ${ANDROID_PRODUCT_OUT}/${DEVICE_INIT_CORPUS_DIR} $(dirname ${FUZZ_BINARY})
 }
 
 prepare_host() {
@@ -52,7 +54,7 @@
     prepare_device &&
     build_normal &&
     push_binary &&
-    adb shell ${FUZZ_BINARY} "$@" ${DEVICE_CORPSE_DIR}
+    adb shell ${FUZZ_BINARY} "$@" ${DEVICE_INIT_CORPUS_DIR} ${DEVICE_GENERATED_CORPUS_DIR}
 }
 
 run_snapshot_fuzz() {
@@ -62,7 +64,7 @@
     adb shell GCOV_PREFIX=${DEVICE_GCOV_DIR} GCOV_PREFIX_STRIP=3 \
         ${FUZZ_BINARY} \
         -runs=0 \
-        ${DEVICE_CORPSE_DIR}
+        ${DEVICE_INIT_CORPUS_DIR} ${DEVICE_GENERATED_CORPUS_DIR}
 }
 
 show_fuzz_result() {
@@ -82,7 +84,7 @@
 
 # run_snapshot_fuzz -runs=10000
 run_snapshot_fuzz_all() {
-    generate_corpse "$@" &&
+    generate_corpus "$@" &&
     run_snapshot_fuzz &&
     show_fuzz_result
 }