On Wed, Jun 08, 2022 at 04:26:10PM -0400, Peter Xu wrote:
> On Wed, Jun 08, 2022 at 03:18:09PM -0300, Leonardo Bras wrote:
> > Somewhere between v6 and v7 the of the zero-copy-send patchset a crucial
> > part of the flushing mechanism got missing: incrementing zero_copy_queued.
> >
> > Without that, the flushing interface becomes a no-op, and there is no
> > garantee the buffer is really sent.
> >
> > This can go as bad as causing a corruption in RAM during migration.
> >
> > Fixes: 2bc58ffc2926 ("QIOChannelSocket: Implement io_writev zero copy flag
> > & io_flush for CONFIG_LINUX")
> > Reported-by: 徐闯 <[email protected]>
> > Signed-off-by: Leonardo Bras <[email protected]>
>
> Copy Dave/Juan; Leo please remember to do so in the next posts, or no one
> will be picking this up. :)
My fault, it's an io channel patch. But still good to copy relevant
developers..
--
Peter Xu
