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| author | Kuniyuki Iwashima <kuniyu@amazon.com> | 2022-07-11 17:15:25 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-13 12:56:49 +0100 |
| commit | b04f9b7e85c7d7aecbada620e8759a662af068d3 (patch) | |
| tree | 458781f1c16bfdd15f17fbacc2f2226ee4b7fadb /net/ipv4/sysctl_net_ipv4.c | |
| parent | 66484bb98ed2dfa1dda37a32411483d8311ac269 (diff) | |
| download | linux-b04f9b7e85c7d7aecbada620e8759a662af068d3.tar.gz linux-b04f9b7e85c7d7aecbada620e8759a662af068d3.tar.bz2 linux-b04f9b7e85c7d7aecbada620e8759a662af068d3.zip | |
icmp: Fix a data-race around sysctl_icmp_ignore_bogus_error_responses.
While reading sysctl_icmp_ignore_bogus_error_responses, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its reader.
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/sysctl_net_ipv4.c')
| -rw-r--r-- | net/ipv4/sysctl_net_ipv4.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c index cb53476a292e..3122e652f3c3 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -626,6 +626,8 @@ static struct ctl_table ipv4_net_table[] = { .maxlen = sizeof(u8), .mode = 0644, .proc_handler = proc_dou8vec_minmax, + .extra1 = SYSCTL_ZERO, + .extra2 = SYSCTL_ONE }, { .procname = "icmp_errors_use_inbound_ifaddr", |