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[PATCH] npcm7xx_adc-test: Fix memleak in adc_qom_set
From: |
Gan Qixin |
Subject: |
[PATCH] npcm7xx_adc-test: Fix memleak in adc_qom_set |
Date: |
Mon, 18 Jan 2021 14:56:27 +0800 |
The adc_qom_set function didn't free "response", which caused an indirect
memory leak. So use qobject_unref() to fix it.
ASAN shows memory leak stack:
Indirect leak of 593280 byte(s) in 144 object(s) allocated from:
#0 0x7f9a5e7e8d4e in __interceptor_calloc (/lib64/libasan.so.5+0x112d4e)
#1 0x7f9a5e607a50 in g_malloc0 (/lib64/libglib-2.0.so.0+0x55a50)
#2 0x55b1bebf636b in qdict_new ../qobject/qdict.c:30
#3 0x55b1bec09699 in parse_object ../qobject/json-parser.c:318
#4 0x55b1bec0b2df in parse_value ../qobject/json-parser.c:546
#5 0x55b1bec0b6a9 in json_parser_parse ../qobject/json-parser.c:580
#6 0x55b1bec060d1 in json_message_process_token
../qobject/json-streamer.c:92
#7 0x55b1bec16a12 in json_lexer_feed_char ../qobject/json-lexer.c:313
#8 0x55b1bec16fbd in json_lexer_feed ../qobject/json-lexer.c:350
#9 0x55b1bec06453 in json_message_parser_feed ../qobject/json-streamer.c:121
#10 0x55b1bebc2d51 in qmp_fd_receive ../tests/qtest/libqtest.c:614
#11 0x55b1bebc2f5e in qtest_qmp_receive_dict ../tests/qtest/libqtest.c:636
#12 0x55b1bebc2e6c in qtest_qmp_receive ../tests/qtest/libqtest.c:624
#13 0x55b1bebc3340 in qtest_vqmp ../tests/qtest/libqtest.c:715
#14 0x55b1bebc3942 in qtest_qmp ../tests/qtest/libqtest.c:756
#15 0x55b1bebbd64a in adc_qom_set ../tests/qtest/npcm7xx_adc-test.c:127
#16 0x55b1bebbd793 in adc_write_input ../tests/qtest/npcm7xx_adc-test.c:140
#17 0x55b1bebbdf92 in test_convert_external
../tests/qtest/npcm7xx_adc-test.c:246
Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Gan Qixin <ganqixin@huawei.com>
---
Cc: Hao Wu <wuhaotsh@google.com>
Cc: Havard Skinnemoen <hskinnemoen@google.com>
Cc: Tyrone Ting <kfting@nuvoton.com>
Cc: Thomas Huth <thuth@redhat.com>
Cc: Laurent Vivier <lvivier@redhat.com>
---
tests/qtest/npcm7xx_adc-test.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/tests/qtest/npcm7xx_adc-test.c b/tests/qtest/npcm7xx_adc-test.c
index f029706945..5ce8ce13b3 100644
--- a/tests/qtest/npcm7xx_adc-test.c
+++ b/tests/qtest/npcm7xx_adc-test.c
@@ -129,6 +129,7 @@ static void adc_qom_set(QTestState *qts, const ADC *adc,
path, name, value);
/* The qom set message returns successfully. */
g_assert_true(qdict_haskey(response, "return"));
+ qobject_unref(response);
}
static void adc_write_input(QTestState *qts, const ADC *adc,
--
2.27.0
- [PATCH] npcm7xx_adc-test: Fix memleak in adc_qom_set,
Gan Qixin <=