On Fri, Mar 12, 2021 at 12:33:21AM -0800, Eric Dumazet wrote:
> From: Eric Dumazet <eduma...@google.com>
> 
> [ Upstream commit 7db48e983930285b765743ebd665aecf9850582b ]
> 
> There are few places where we fetch tp->copied_seq while
> this field can change from IRQ or other cpu.
> 
> We need to add READ_ONCE() annotations, and also make
> sure write sides use corresponding WRITE_ONCE() to avoid
> store-tearing.
> 
> Note that tcp_inq_hint() was already using READ_ONCE(tp->copied_seq)
> 
> Signed-off-by: Eric Dumazet <eduma...@google.com>
> Signed-off-by: David S. Miller <da...@davemloft.net>

All now queued up, thanks!

greg k-h

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