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Re: [PATCH v4 01/10] hbitmap: assert that we don't create bitmap larger


From: Eric Blake
Subject: Re: [PATCH v4 01/10] hbitmap: assert that we don't create bitmap larger than INT64_MAX
Date: Wed, 5 Feb 2020 09:14:40 -0600
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1

On 2/5/20 5:20 AM, Vladimir Sementsov-Ogievskiy wrote:
We have APIs which returns signed int64_t, to be able to return error.

s/returns/return/

Therefore we can't handle bitmaps with absolute size larger than
(INT64_MAX+1). Still, keep maximum to be INT64_MAX which is a bit
safer.

Note, that bitmaps are used to represent disk images, which can't

s/Note,/Note/

exceed INT64_MAX anyway.

Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
---
  util/hbitmap.c | 2 ++
  1 file changed, 2 insertions(+)

Reviewed-by: Eric Blake <address@hidden>

--
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org




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