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(parent: 7804764) | patch
tcp: Fix data-races around sysctl_tcp_workaround_signed_windows.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Wed, 20 Jul 2022 16:50:19 +0000 (09:50 -0700)
committerDavid S. Miller <davem@davemloft.net>
Fri, 22 Jul 2022 11:06:17 +0000 (12:06 +0100)
commit0f1e4d06591d0a7907c71f7b6d1c79f8a4de8098
tree5dc1a8cbc4a9887bbf7c43a97bcec98835173e4etree | snapshot
parent780476488844e070580bfc9e3bc7832ec1cea883commit | diff
tcp: Fix data-races around sysctl_tcp_workaround_signed_windows.

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

Fixes: 15d99e02baba ("[TCP]: sysctl to allow TCP window > 32767 sans wscale")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_output.c diff | blob | history
net/mptcp/options.c diff | blob | history
Domain: System / Kernel;