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由 Kuniyuki Iwashima 提交于
stable inclusion from stable-v4.19.254 commit 5e38cee24f19d19280c68f1ac8bf6790d607f60a category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5Q0SQ CVE: NA -------------------------------- [ Upstream commit a11e5b3e ] While reading sysctl_tcp_max_reordering, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers. Fixes: dca145ff ("tcp: allow for bigger reordering level") Signed-off-by: NKuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NSasha Levin <sashal@kernel.org> Signed-off-by: NYongqiang Liu <liuyongqiang13@huawei.com>
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