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(parent: 2239694) | patch
tcp: Fix a data-race around sysctl_tcp_comp_sack_nr.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Fri, 22 Jul 2022 18:22:03 +0000 (11:22 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 25 Jul 2022 11:42:10 +0000 (12:42 +0100)
commit79f55473bfc8ac51bd6572929a679eeb4da22251
tree59c15ef3e5e567013c634ac80b9d6df898bed6d8tree | snapshot
parent22396941a7f343d704738360f9ef0e6576489d43commit | diff
tcp: Fix a data-race around sysctl_tcp_comp_sack_nr.

While reading sysctl_tcp_comp_sack_nr, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.

Fixes: 9c21d2fc41c0 ("tcp: add tcp_comp_sack_nr sysctl")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_input.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git