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Re: [PATCH v2 06/53] migration/rdma: Fix unwanted integer truncation
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From: |
Zhijian Li (Fujitsu) |
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Subject: |
Re: [PATCH v2 06/53] migration/rdma: Fix unwanted integer truncation |
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Date: |
Sat, 7 Oct 2023 01:53:01 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 |
On 28/09/2023 21:19, Markus Armbruster wrote:
> qio_channel_rdma_readv() assigns the size_t value of qemu_rdma_fill()
> to an int variable before it adds it to @done / subtracts it from
> @want, both size_t. Truncation when qemu_rdma_fill() copies more than
> INT_MAX bytes. Seems vanishingly unlikely, but needs fixing all the
> same.
>
> Fixes: 6ddd2d76ca6f (migration: convert RDMA to use QIOChannel interface)
> Signed-off-by: Markus Armbruster<armbru@redhat.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>