]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: d2c744e) | patch
tcp: Fix a data-race around sysctl_tcp_ecn_fallback.
authorKuniyuki Iwashima <kuniyu@amazon.com>
Tue, 12 Jul 2022 00:15:31 +0000 (17:15 -0700)
committerDavid S. Miller <davem@davemloft.net>
Wed, 13 Jul 2022 11:56:49 +0000 (12:56 +0100)
commit9d7119e9737120d3c3bb7898a359006cee4d2667
treeeb0cf7b142f2ba30550f218d87781524b11ee14btree | snapshot
parentd2c744ed657b1bc44c2ebd63dc0fc11f13220bc1commit | diff
tcp: Fix a data-race around sysctl_tcp_ecn_fallback.

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

Fixes: c87eccb1be53 ("tcp: add rfc3168, section 6.1.1.1. fallback")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/sysctl_net_ipv4.c diff | blob | history
net/ipv4/tcp_output.c diff | blob | history
Linux Kernel Source Tree.