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Re: [Qemu-devel] [PATCH] linux-user: fix recvmsg()/recvfrom() with netli
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From: |
Peter Maydell |
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Subject: |
Re: [Qemu-devel] [PATCH] linux-user: fix recvmsg()/recvfrom() with netlink and MSG_TRUNC |
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Date: |
Thu, 16 Aug 2018 14:00:10 +0100 |
On 6 August 2018 at 22:18, Laurent Vivier <address@hidden> wrote:
> If recvmsg()/recvfrom() are used with the MSG_TRUNC flag, they return the
> real length even if it was longer than the passed buffer.
> So when we translate the buffer we must check we don't go beyond the
> end of the buffer.
>
> Bug: https://github.com/vivier/qemu-m68k/issues/33
> Reported-by: John Paul Adrian Glaubitz <address@hidden>
> Signed-off-by: Laurent Vivier <address@hidden>
Reviewed-by: Peter Maydell <address@hidden>
thanks
-- PMM