commit | 2afdbe7b8de84c28e219073a6661080e1b3ded48 | [log] [tgz] |
---|---|---|
author | Kuniyuki Iwashima <kuniyu@amazon.com> | Wed Jul 20 09:50:26 2022 -0700 |
committer | David S. Miller <davem@davemloft.net> | Fri Jul 22 12:06:18 2022 +0100 |
tree | 1671e0ab895d93a261db38e1ef1e4c313537fd9f | |
parent | 85225e6f0a76e6745bc841c9f25169c509b573d8 [diff] |
tcp: Fix a data-race around sysctl_tcp_invalid_ratelimit. While reading sysctl_tcp_invalid_ratelimit, it can be changed concurrently. Thus, we need to add READ_ONCE() to its reader. Fixes: 032ee4236954 ("tcp: helpers to mitigate ACK loops by rate-limiting out-of-window dupacks") Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Signed-off-by: David S. Miller <davem@davemloft.net>