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| author | Kuniyuki Iwashima <[email protected]> | 2022-07-12 00:15:26 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2022-07-13 11:56:49 +0000 |
| commit | d2efabce81db7eed1c98fa1a3f203f0edd738ac3 (patch) | |
| tree | 2b2f896100de279d80a8129c944c9aa8d049510e /net/ipv4/sysctl_net_ipv4.c | |
| parent | icmp: Fix a data-race around sysctl_icmp_ignore_bogus_error_responses. (diff) | |
| download | kernel-d2efabce81db7eed1c98fa1a3f203f0edd738ac3.tar.gz kernel-d2efabce81db7eed1c98fa1a3f203f0edd738ac3.zip | |
icmp: Fix a data-race around sysctl_icmp_errors_use_inbound_ifaddr.
While reading sysctl_icmp_errors_use_inbound_ifaddr, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its reader.
Fixes: 1c2fb7f93cb2 ("[IPV4]: Sysctl configurable icmp error source address.")
Signed-off-by: Kuniyuki Iwashima <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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 3122e652f3c3..66159d49a575 100644 --- a/net/ipv4/sysctl_net_ipv4.c +++ b/net/ipv4/sysctl_net_ipv4.c @@ -635,6 +635,8 @@ 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_ratelimit", |