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Re: [Qemu-devel] [Qemu-block] [PATCH] block/qcow2-bitmap: fix use of uni
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From: |
Stefan Hajnoczi |
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Subject: |
Re: [Qemu-devel] [Qemu-block] [PATCH] block/qcow2-bitmap: fix use of uninitialized pointer |
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Date: |
Mon, 25 Sep 2017 10:36:22 +0100 |
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User-agent: |
Mutt/1.8.3 (2017-05-23) |
On Fri, Sep 22, 2017 at 05:43:53PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> Without initialization to zero dirty_bitmap field may be not zero
> for a bitmap which should not be stored and
> qcow2_store_persistent_dirty_bitmaps will erroneously call
> store_bitmap for it which leads to SYGSEGV on bdrv_dirty_bitmap_name.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
> block/qcow2-bitmap.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Stefan Hajnoczi <address@hidden>