Kuniyuki Iwashima 1d3eeb1999 ip: Fix data-races around sysctl_ip_default_ttl. ...

commit 8281b7ec5c56b71cb2cc5a1728b41607be66959c upstream.

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

Fixes: 1da177e4c3 ("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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-07-29 17:25:09 +02:00

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