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| author | Pan Nengyuan <pannengyuan@huawei.com> | 2020-03-10 14:46:40 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2020-03-11 15:54:38 +0100 |
| commit | 9b6abdcfae4401f8078f883d6eca6463c0bfbd68 (patch) | |
| tree | 80f41ecd013f2eb85aa5a8792c2d72fa90629fad /qom | |
| parent | ba29883206d92a29ad5a466e679ccfc2ee6132ef (diff) | |
| download | qemu-9b6abdcfae4401f8078f883d6eca6463c0bfbd68.zip qemu-9b6abdcfae4401f8078f883d6eca6463c0bfbd68.tar.gz qemu-9b6abdcfae4401f8078f883d6eca6463c0bfbd68.tar.bz2 | |
qom-qmp-cmds: fix two memleaks in qmp_object_add
'type/id' forgot to free in qmp_object_add, this patch fix that.
The leak stack:
Direct leak of 84 byte(s) in 6 object(s) allocated from:
#0 0x7fe2a5ebf768 in __interceptor_malloc (/lib64/libasan.so.5+0xef768)
#1 0x7fe2a5044445 in g_malloc (/lib64/libglib-2.0.so.0+0x52445)
#2 0x7fe2a505dd92 in g_strdup (/lib64/libglib-2.0.so.0+0x6bd92)
#3 0x56344954e692 in qmp_object_add /mnt/sdb/qemu-new/qemu_test/qemu/qom/qom-qmp-cmds.c:258
#4 0x563449960f5a in do_qmp_dispatch /mnt/sdb/qemu-new/qemu_test/qemu/qapi/qmp-dispatch.c:132
#5 0x563449960f5a in qmp_dispatch /mnt/sdb/qemu-new/qemu_test/qemu/qapi/qmp-dispatch.c:175
#6 0x563449498a30 in monitor_qmp_dispatch /mnt/sdb/qemu-new/qemu_test/qemu/monitor/qmp.c:145
#7 0x56344949a64f in monitor_qmp_bh_dispatcher /mnt/sdb/qemu-new/qemu_test/qemu/monitor/qmp.c:234
#8 0x563449a92a3a in aio_bh_call /mnt/sdb/qemu-new/qemu_test/qemu/util/async.c:136
Direct leak of 54 byte(s) in 6 object(s) allocated from:
#0 0x7fe2a5ebf768 in __interceptor_malloc (/lib64/libasan.so.5+0xef768)
#1 0x7fe2a5044445 in g_malloc (/lib64/libglib-2.0.so.0+0x52445)
#2 0x7fe2a505dd92 in g_strdup (/lib64/libglib-2.0.so.0+0x6bd92)
#3 0x56344954e6c4 in qmp_object_add /mnt/sdb/qemu-new/qemu_test/qemu/qom/qom-qmp-cmds.c:267
#4 0x563449960f5a in do_qmp_dispatch /mnt/sdb/qemu-new/qemu_test/qemu/qapi/qmp-dispatch.c:132
#5 0x563449960f5a in qmp_dispatch /mnt/sdb/qemu-new/qemu_test/qemu/qapi/qmp-dispatch.c:175
#6 0x563449498a30 in monitor_qmp_dispatch /mnt/sdb/qemu-new/qemu_test/qemu/monitor/qmp.c:145
#7 0x56344949a64f in monitor_qmp_bh_dispatcher /mnt/sdb/qemu-new/qemu_test/qemu/monitor/qmp.c:234
#8 0x563449a92a3a in aio_bh_call /mnt/sdb/qemu-new/qemu_test/qemu/util/async.c:136
Fixes: 5f07c4d60d091320186e7b0edaf9ed2cc16b2d1e
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Pan Nengyuan <pannengyuan@huawei.com>
Message-Id: <20200310064640.5059-1-pannengyuan@huawei.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'qom')
| -rw-r--r-- | qom/qom-qmp-cmds.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/qom/qom-qmp-cmds.c b/qom/qom-qmp-cmds.c index 49db926..435193b 100644 --- a/qom/qom-qmp-cmds.c +++ b/qom/qom-qmp-cmds.c @@ -247,26 +247,22 @@ void qmp_object_add(QDict *qdict, QObject **ret_data, Error **errp) QDict *pdict; Visitor *v; Object *obj; - const char *type; - const char *id; + g_autofree char *type = NULL; + g_autofree char *id = NULL; - type = qdict_get_try_str(qdict, "qom-type"); + type = g_strdup(qdict_get_try_str(qdict, "qom-type")); if (!type) { error_setg(errp, QERR_MISSING_PARAMETER, "qom-type"); return; - } else { - type = g_strdup(type); - qdict_del(qdict, "qom-type"); } + qdict_del(qdict, "qom-type"); - id = qdict_get_try_str(qdict, "id"); + id = g_strdup(qdict_get_try_str(qdict, "id")); if (!id) { error_setg(errp, QERR_MISSING_PARAMETER, "id"); return; - } else { - id = g_strdup(id); - qdict_del(qdict, "id"); } + qdict_del(qdict, "id"); props = qdict_get(qdict, "props"); if (props) { |