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(parent: 59e2332) | patch
tcp: Fix data-races around sysctl_tcp_moderate_rcvbuf.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:18 +0000 (09:50 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Aug 2022 10:03:46 +0000 (12:03 +0200)
commit664a3311e6716c2361cf64a38a00a0ef8cb78b38
treee57667666f40472b6a427aea460a6ae649900450tree | snapshot
parent59e2332846d8919d90e299e19a87045dd63e3ef0commit | diff
tcp: Fix data-races around sysctl_tcp_moderate_rcvbuf.

commit 780476488844e070580bfc9e3bc7832ec1cea883 upstream.

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

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
net/ipv4/tcp_input.c diff | blob | history
net/mptcp/protocol.c diff | blob | history
Domain: System / Kernel;