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Re: [Qemu-stable] [Qemu-devel] [PATCH] block/qcow2-bitmap: fix use of un
From: |
Eric Blake |
Subject: |
Re: [Qemu-stable] [Qemu-devel] [PATCH] block/qcow2-bitmap: fix use of uninitialized pointer |
Date: |
Fri, 22 Sep 2017 15:42:48 -0500 |
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Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 |
On 09/22/2017 09:43 AM, 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.
s/SYG/SIG/
Introduced in commit 5f72826e, therefore it impacts 2.10, so:
CC: address@hidden
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
> ---
> block/qcow2-bitmap.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Eric Blake <address@hidden>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
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