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| author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2022-07-06 16:40:01 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-07-21 21:09:28 +0200 |
| commit | ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698 (patch) | |
| tree | c9e74344fec923207a1914a25b529ad5556807ba /Documentation | |
| parent | 2934b8b53d899924f30c51372dfd39b1da9be6b1 (diff) | |
| download | linux-stable-ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698.tar.gz linux-stable-ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698.tar.bz2 linux-stable-ca26ca5e2f3eeb3e6fe699cd6effa3b4b2aa8698.zip | |
cipso: Fix data-races around sysctl.
[ Upstream commit dd44f04b9214adb68ef5684ae87a81ba03632250 ]
While reading cipso sysctl variables, they can be changed concurrently.
So, we need to add READ_ONCE() to avoid data-races.
Fixes: 446fda4f2682 ("[NetLabel]: CIPSOv4 engine")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Acked-by: Paul Moore <paul@paul-moore.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 3c617d620b6f..ae56957f51e4 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -810,7 +810,7 @@ cipso_cache_enable - BOOLEAN cipso_cache_bucket_size - INTEGER The CIPSO label cache consists of a fixed size hash table with each hash bucket containing a number of cache entries. This variable limits - the number of entries in each hash bucket; the larger the value the + the number of entries in each hash bucket; the larger the value is, the more CIPSO label mappings that can be cached. When the number of entries in a given hash bucket reaches this limit adding new entries causes the oldest entry in the bucket to be removed to make room. |