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| author | akpm <akpm@linux-foundation.org> | 2022-06-27 20:31:34 +0300 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-06-27 20:31:34 +0300 |
| commit | 46a3b1125308f8f90a065eeecfafd2a96b01a36c (patch) | |
| tree | 6e080118fbad5aa217d160cedf02f10108ce3bf2 /net/ipv4/ping.c | |
| parent | 6edda04ccc7cfb281d139e352dbd5dd933bd2751 (diff) | |
| parent | 03c765b0e3b4cb5063276b086c76f7a612856a9a (diff) | |
| download | linux-46a3b1125308f8f90a065eeecfafd2a96b01a36c.tar.xz | |
Merge branch 'master' into mm-stable
Diffstat (limited to 'net/ipv4/ping.c')
| -rw-r--r-- | net/ipv4/ping.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 1a43ca73f94d..3c6101def7d6 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -319,12 +319,16 @@ static int ping_check_bind_addr(struct sock *sk, struct inet_sock *isk, pr_debug("ping_check_bind_addr(sk=%p,addr=%pI4,port=%d)\n", sk, &addr->sin_addr.s_addr, ntohs(addr->sin_port)); + if (addr->sin_addr.s_addr == htonl(INADDR_ANY)) + return 0; + tb_id = l3mdev_fib_table_by_index(net, sk->sk_bound_dev_if) ? : tb_id; chk_addr_ret = inet_addr_type_table(net, addr->sin_addr.s_addr, tb_id); - if (!inet_addr_valid_or_nonlocal(net, inet_sk(sk), - addr->sin_addr.s_addr, - chk_addr_ret)) + if (chk_addr_ret == RTN_MULTICAST || + chk_addr_ret == RTN_BROADCAST || + (chk_addr_ret != RTN_LOCAL && + !inet_can_nonlocal_bind(net, isk))) return -EADDRNOTAVAIL; #if IS_ENABLED(CONFIG_IPV6) |