]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: fb74b5a) | 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)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 3 Aug 2022 10:03:52 +0000 (12:03 +0200)
commitfbd6721782dfe16e104aa914833ff44212a4324b
treea9f80f1286879386c8e9084c603542a91793ab2atree | snapshot
parentfb74b5ab16464341c19d38fe68f7fe8e423efaaccommit | diff
tcp: Fix a data-race around sysctl_tcp_comp_sack_nr.

[ Upstream commit f3d2661ba042ea9632818a4f5c14958855d92351 ]

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

Fixes: 64de30e705b9 ("tcp: add tcp_comp_sack_nr sysctl")
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>
net/ipv4/tcp_input.c diff | blob | history
Linux Kernel Source Tree.