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(parent: 3f2ac2d) | patch
tcp: Fix data-races around sysctl knobs related to SYN option.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Mon, 18 Jul 2022 17:26:44 +0000 (10:26 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 29 Jul 2022 15:25:22 +0000 (17:25 +0200)
commit329de75b9e16104d5442319107ce3af961f2c96a
tree5862076ec9f74c112316d268e3d9f3ac196c45d1tree | snapshot
parent3f2ac2d6511bb0652abf4d7388d65bb9ff1c641ccommit | diff
tcp: Fix data-races around sysctl knobs related to SYN option.

[ Upstream commit 3666f666e99600518ab20982af04a078bbdad277 ]

While reading these knobs, they can be changed concurrently.
Thus, we need to add READ_ONCE() to their readers.

  - tcp_sack
  - tcp_window_scaling
  - tcp_timestamps

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: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c diff | blob | history
net/core/secure_seq.c diff | blob | history
net/ipv4/syncookies.c diff | blob | history
net/ipv4/tcp_input.c diff | blob | history
net/ipv4/tcp_output.c diff | blob | history
Domain: System / Kernel;