diff --git a/block-qcow2-do-free-crypto_opts-in-qcow2_close.patch b/block-qcow2-do-free-crypto_opts-in-qcow2_close.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7276ea21287207a1035b07687137606cbc14493f
--- /dev/null
+++ b/block-qcow2-do-free-crypto_opts-in-qcow2_close.patch
@@ -0,0 +1,29 @@
+From 142bbde19233d10490605e15f49c398de22cafb0 Mon Sep 17 00:00:00 2001
+From: Pan Nengyuan <pannengyuan@huawei.com>
+Date: Mon, 16 Mar 2020 19:39:41 +0800
+Subject: [PATCH 2/2] block/qcow2: do free crypto_opts in qcow2_close()
+
+'crypto_opts' forgot to free in qcow2_close(), this patch fix that.
+
+Reported-by: Euler Robot <euler.robot@huawei.com>
+Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
+(cherry picked from commit 4aebf0f0da4a57204f568deed14661cb37b4ac30)
+---
+ block/qcow2.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/block/qcow2.c b/block/qcow2.c
+index 5fb115a..99dfe4a 100644
+--- a/block/qcow2.c
++++ b/block/qcow2.c
+@@ -2325,6 +2325,7 @@ static void qcow2_close(BlockDriverState *bs)
+ 
+     qcrypto_block_free(s->crypto);
+     s->crypto = NULL;
++    qapi_free_QCryptoBlockOpenOptions(s->crypto_opts);
+ 
+     g_free(s->unknown_header_fields);
+     cleanup_unknown_header_ext(bs);
+-- 
+1.8.3.1
+
diff --git a/qemu.spec b/qemu.spec
index 6f399ac201660495c554594c424aff73cec1e726..8623c5b4fb3fdb2d467a96bf509e2522fe354bc4 100644
--- a/qemu.spec
+++ b/qemu.spec
@@ -49,6 +49,8 @@ Patch0036: slirp-use-correct-size-while-emulating-commands.patch
 Patch0037: tcp_emu-fix-unsafe-snprintf-usages.patch
 Patch0038: block-iscsi-use-MIN-between-mx_sb_len-and-sb_len_wr.patch 
 Patch0039: monitor-fix-memory-leak-in-monitor_fdset_dup_fd_find.patch
+Patch0040: throttle-groups-fix-memory-leak-in-throttle_group_se.patch
+Patch0041: block-qcow2-do-free-crypto_opts-in-qcow2_close.patch
 
 BuildRequires: flex
 BuildRequires: bison
@@ -382,7 +384,11 @@ getent passwd qemu >/dev/null || \
 %endif
 
 %changelog
-* Thu Mar 16 2020 Huawei Technologies Co., Ltd. <kuhn.chenqun@huawei.com>
+* Mon Mar 16 2020 Huawei Technologies Co., Ltd. <pannengyuan@huawei.com>
+- throttle-groups: fix memory leak in throttle_group_set_limit
+- block/qcow2: do free crypto_opts in qcow2_close()
+
+* Mon Mar 16 2020 Huawei Technologies Co., Ltd. <kuhn.chenqun@huawei.com>
 - moniter: fix memleak in monitor_fdset_dup_fd_find_remove
 - block/iscsi: use MIN() between mx_sb_len and sb_len_wr
 
diff --git a/throttle-groups-fix-memory-leak-in-throttle_group_se.patch b/throttle-groups-fix-memory-leak-in-throttle_group_se.patch
new file mode 100644
index 0000000000000000000000000000000000000000..57a8a79632b9a5877c5beec5b3e36837f2b45adc
--- /dev/null
+++ b/throttle-groups-fix-memory-leak-in-throttle_group_se.patch
@@ -0,0 +1,44 @@
+From 4aa41f16244e9f9899832c7bfb1b250b460275ea Mon Sep 17 00:00:00 2001
+From: Pan Nengyuan <pannengyuan@huawei.com>
+Date: Mon, 16 Mar 2020 19:28:23 +0800
+Subject: [PATCH 1/2] throttle-groups: fix memory leak in
+ throttle_group_set_limit
+
+This avoid a memory leak when qom-set is called to set throttle_group
+limits, here is an easy way to reproduce:
+
+1. run qemu-iotests as follow and check the result with asan:
+        ./check -qcow2 184
+
+Reported-by: Euler Robot <euler.robot@huawei.com>
+Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
+(cherry picked from commit 88be15a9e19c5130ecef07f2d01f7030bdf44051)
+---
+ block/throttle-groups.c | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/block/throttle-groups.c b/block/throttle-groups.c
+index a5a2037..fd91fde 100644
+--- a/block/throttle-groups.c
++++ b/block/throttle-groups.c
+@@ -892,8 +892,7 @@ static void throttle_group_set_limits(Object *obj, Visitor *v,
+ {
+     ThrottleGroup *tg = THROTTLE_GROUP(obj);
+     ThrottleConfig cfg;
+-    ThrottleLimits arg = { 0 };
+-    ThrottleLimits *argp = &arg;
++    ThrottleLimits *argp;
+     Error *local_err = NULL;
+ 
+     visit_type_ThrottleLimits(v, name, &argp, &local_err);
+@@ -911,6 +910,7 @@ static void throttle_group_set_limits(Object *obj, Visitor *v,
+ unlock:
+     qemu_mutex_unlock(&tg->lock);
+ ret:
++    qapi_free_ThrottleLimits(argp);
+     error_propagate(errp, local_err);
+     return;
+ }
+-- 
+1.8.3.1
+