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| author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2022-07-11 17:15:32 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-21 21:09:29 +0200 |
| commit | a720ca682386beec7829d1af60cd0f21c6597a01 (patch) | |
| tree | 3275dc9e9e6cb8fb0ebac8dc647d820eb65d72f0 /Documentation | |
| parent | d93993b165243a0f614b946f417fbbb137b34ee2 (diff) | |
| download | linux-a720ca682386beec7829d1af60cd0f21c6597a01.tar.gz linux-a720ca682386beec7829d1af60cd0f21c6597a01.tar.bz2 linux-a720ca682386beec7829d1af60cd0f21c6597a01.zip | |
ipv4: Fix data-races around sysctl_ip_dynaddr.
[ Upstream commit e49e4aff7ec19b2d0d0957ee30e93dade57dab9e ]
While reading sysctl_ip_dynaddr, 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: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index ae56957f51e4..e315e6052b9f 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -887,7 +887,7 @@ ip_nonlocal_bind - BOOLEAN which can be quite useful - but may break some applications. Default: 0 -ip_dynaddr - BOOLEAN +ip_dynaddr - INTEGER If set non-zero, enables support for dynamic addresses. If set to a non-zero value larger than 1, a kernel log message will be printed when dynamic address rewriting |