From: Max Reitz <mreitz@redhat.com>
To: qemu-block@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
Peter Maydell <peter.maydell@linaro.org>,
qemu-devel@nongnu.org, Max Reitz <mreitz@redhat.com>
Subject: [PULL 08/19] block/qcow2: do free crypto_opts in qcow2_close()
Date: Wed, 11 Mar 2020 14:52:02 +0100 [thread overview]
Message-ID: <20200311135213.1242028-9-mreitz@redhat.com> (raw)
In-Reply-To: <20200311135213.1242028-1-mreitz@redhat.com>
From: Pan Nengyuan <pannengyuan@huawei.com>
'crypto_opts' forgot to free in qcow2_close(), this patch fix the bellow leak stack:
Direct leak of 24 byte(s) in 1 object(s) allocated from:
#0 0x7f0edd81f970 in __interceptor_calloc (/lib64/libasan.so.5+0xef970)
#1 0x7f0edc6d149d in g_malloc0 (/lib64/libglib-2.0.so.0+0x5249d)
#2 0x55d7eaede63d in qobject_input_start_struct /mnt/sdb/qemu-new/qemu_test/qemu/qapi/qobject-input-visitor.c:295
#3 0x55d7eaed78b8 in visit_start_struct /mnt/sdb/qemu-new/qemu_test/qemu/qapi/qapi-visit-core.c:49
#4 0x55d7eaf5140b in visit_type_QCryptoBlockOpenOptions qapi/qapi-visit-crypto.c:290
#5 0x55d7eae43af3 in block_crypto_open_opts_init /mnt/sdb/qemu-new/qemu_test/qemu/block/crypto.c:163
#6 0x55d7eacd2924 in qcow2_update_options_prepare /mnt/sdb/qemu-new/qemu_test/qemu/block/qcow2.c:1148
#7 0x55d7eacd33f7 in qcow2_update_options /mnt/sdb/qemu-new/qemu_test/qemu/block/qcow2.c:1232
#8 0x55d7eacd9680 in qcow2_do_open /mnt/sdb/qemu-new/qemu_test/qemu/block/qcow2.c:1512
#9 0x55d7eacdc55e in qcow2_open_entry /mnt/sdb/qemu-new/qemu_test/qemu/block/qcow2.c:1792
#10 0x55d7eacdc8fe in qcow2_open /mnt/sdb/qemu-new/qemu_test/qemu/block/qcow2.c:1819
#11 0x55d7eac3742d in bdrv_open_driver /mnt/sdb/qemu-new/qemu_test/qemu/block.c:1317
#12 0x55d7eac3e990 in bdrv_open_common /mnt/sdb/qemu-new/qemu_test/qemu/block.c:1575
#13 0x55d7eac4442c in bdrv_open_inherit /mnt/sdb/qemu-new/qemu_test/qemu/block.c:3126
#14 0x55d7eac45c3f in bdrv_open /mnt/sdb/qemu-new/qemu_test/qemu/block.c:3219
#15 0x55d7ead8e8a4 in blk_new_open /mnt/sdb/qemu-new/qemu_test/qemu/block/block-backend.c:397
#16 0x55d7eacde74c in qcow2_co_create /mnt/sdb/qemu-new/qemu_test/qemu/block/qcow2.c:3534
#17 0x55d7eacdfa6d in qcow2_co_create_opts /mnt/sdb/qemu-new/qemu_test/qemu/block/qcow2.c:3668
#18 0x55d7eac1c678 in bdrv_create_co_entry /mnt/sdb/qemu-new/qemu_test/qemu/block.c:485
#19 0x55d7eb0024d2 in coroutine_trampoline /mnt/sdb/qemu-new/qemu_test/qemu/util/coroutine-ucontext.c:115
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-Id: <20200227012950.12256-2-pannengyuan@huawei.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
---
block/qcow2.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/qcow2.c b/block/qcow2.c
index f667349e50..d44b45633d 100644
--- a/block/qcow2.c
+++ b/block/qcow2.c
@@ -2610,6 +2610,7 @@ 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);
--
2.24.1
next prev parent reply other threads:[~2020-03-11 14:01 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-11 13:51 [PULL 00/19] Block patches Max Reitz
2020-03-11 13:51 ` [PULL 01/19] luks: extract qcrypto_block_calculate_payload_offset() Max Reitz
2020-03-11 13:51 ` [PULL 02/19] luks: implement .bdrv_measure() Max Reitz
2020-03-11 13:51 ` [PULL 03/19] qemu-img: allow qemu-img measure --object without a filename Max Reitz
2020-03-11 13:51 ` [PULL 04/19] iotests: add 288 luks qemu-img measure test Max Reitz
2020-03-11 13:51 ` [PULL 05/19] block/curl: HTTP header fields allow whitespace around values Max Reitz
2020-03-11 13:52 ` [PULL 06/19] block/curl: HTTP header field names are case insensitive Max Reitz
2020-03-11 13:52 ` [PULL 07/19] iotests: Fix nonportable use of od --endian Max Reitz
2020-03-11 13:52 ` Max Reitz [this message]
2020-03-11 13:52 ` [PULL 09/19] qemu-img: free memory before re-assign Max Reitz
2020-03-11 13:52 ` [PULL 10/19] block/qcow2-threads: fix qcow2_decompress Max Reitz
2020-03-11 13:52 ` [PULL 11/19] job: refactor progress to separate object Max Reitz
2020-03-11 13:52 ` [PULL 12/19] block/block-copy: fix progress calculation Max Reitz
2020-03-11 13:52 ` [PULL 13/19] block/block-copy: specialcase first copy_range request Max Reitz
2020-03-11 13:52 ` [PULL 14/19] block/block-copy: use block_status Max Reitz
2020-03-11 13:52 ` [PULL 15/19] block/block-copy: factor out find_conflicting_inflight_req Max Reitz
2020-03-11 13:52 ` [PULL 16/19] block/block-copy: refactor interfaces to use bytes instead of end Max Reitz
2020-03-11 13:52 ` [PULL 17/19] block/block-copy: rename start to offset in interfaces Max Reitz
2020-03-11 13:52 ` [PULL 18/19] block/block-copy: reduce intersecting request lock Max Reitz
2020-03-11 13:52 ` [PULL 19/19] block/block-copy: hide structure definitions Max Reitz
2020-03-12 11:02 ` [PULL 00/19] Block patches Peter Maydell
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