On Fri, Mar 12, 2021 at 12:33:21AM -0800, Eric Dumazet wrote: > From: Eric Dumazet <edumazet@xxxxxxxxxx> > > [ 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 <edumazet@xxxxxxxxxx> > Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> All now queued up, thanks! greg k-h
