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From: Peter Maydell <peter.maydell@linaro.org>
To: Gan Qixin <ganqixin@huawei.com>
Cc: zhanghailiang <zhang.zhanghailiang@huawei.com>,
	QEMU Trivial <qemu-trivial@nongnu.org>,
	QEMU Developers <qemu-devel@nongnu.org>,
	Euler Robot <euler.robot@huawei.com>,
	"Chenqun \(kuhn\)" <kuhn.chenqun@huawei.com>,
	David Gibson <david@gibson.dropbear.id.au>
Subject: Re: [PATCH v3 1/2] pl031: Use timer_free() in the finalize function to avoid memleaks
Date: Tue, 12 Jan 2021 16:42:08 +0000	[thread overview]
Message-ID: <CAFEAcA_AG77gJySKNRcKFrGsmhn2uNZMyB4aNynD6w5rFTz=7g@mail.gmail.com> (raw)
In-Reply-To: <20210112112705.380534-2-ganqixin@huawei.com>

On Tue, 12 Jan 2021 at 11:29, Gan Qixin <ganqixin@huawei.com> wrote:
>
> When running device-introspect-test, a memory leak occurred in the pl031_init
> function, this patch use timer_free() in the finalize function to fix it.
>
> ASAN shows memory leak stack:
>
> Direct leak of 48 byte(s) in 1 object(s) allocated from:
>     #0 0xffffab97e1f0 in __interceptor_calloc (/lib64/libasan.so.5+0xee1f0)
>     #1 0xffffab256800 in g_malloc0 (/lib64/libglib-2.0.so.0+0x56800)
>     #2 0xaaabf5621cfc in timer_new_full qemu/include/qemu/timer.h:523
>     #3 0xaaabf5621cfc in timer_new qemu/include/qemu/timer.h:544
>     #4 0xaaabf5621cfc in timer_new_ns qemu/include/qemu/timer.h:562
>     #5 0xaaabf5621cfc in pl031_init qemu/hw/rtc/pl031.c:194
>     #6 0xaaabf6339f6c in object_initialize_with_type qemu/qom/object.c:515
>     #7 0xaaabf633a1e0 in object_new_with_type qemu/qom/object.c:729
>     #8 0xaaabf6375e40 in qmp_device_list_properties qemu/qom/qom-qmp-cmds.c:153
>     #9 0xaaabf5a95540 in qdev_device_help qemu/softmmu/qdev-monitor.c:283
>     #10 0xaaabf5a96940 in qmp_device_add qemu/softmmu/qdev-monitor.c:801
>     #11 0xaaabf5a96e70 in hmp_device_add qemu/softmmu/qdev-monitor.c:916
>     #12 0xaaabf5ac0a2c in handle_hmp_command qemu/monitor/hmp.c:1100
>
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Gan Qixin <ganqixin@huawei.com>
> ---
> Cc: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM


  reply	other threads:[~2021-01-12 16:47 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-12 11:27 [PATCH v3 0/2] Fix some memleaks caused by timer_new_ns Gan Qixin
2021-01-12 11:27 ` [PATCH v3 1/2] pl031: Use timer_free() in the finalize function to avoid memleaks Gan Qixin
2021-01-12 16:42   ` Peter Maydell [this message]
2021-01-12 19:59   ` Laurent Vivier
2021-01-12 11:27 ` [PATCH v3 2/2] misc/mos6522: Use timer_free() in the finalize function to avoid memleak Gan Qixin
2021-01-12 12:17   ` Philippe Mathieu-Daudé
2021-01-12 16:42   ` Peter Maydell
2021-01-12 20:00   ` Laurent Vivier

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