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| author | Con Kolivas <kernel@kolivas.org> | 2016-12-12 10:56:17 +1100 |
|---|---|---|
| committer | Con Kolivas <kernel@kolivas.org> | 2016-12-12 10:56:17 +1100 |
| commit | c3e1d5cbf048128fa788513fbc5fa3036c85fcb0 (patch) | |
| tree | 4b2b38cc960963abc48b2e30c6e2415ee383c98d /net/ipv4/ping.c | |
| parent | e4d2e01f84338d948be51202038842fe3e0f6ce9 (diff) | |
| parent | 69973b830859bc6529a7a0468ba0d80ee5117826 (diff) | |
Merge tag 'v4.9' into 4.9-muqss4.9-muqss-150
Linux 4.9
Diffstat (limited to 'net/ipv4/ping.c')
| -rw-r--r-- | net/ipv4/ping.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 205e2000d395..96b8e2b95731 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -657,6 +657,10 @@ int ping_common_sendmsg(int family, struct msghdr *msg, size_t len, if (len > 0xFFFF) return -EMSGSIZE; + /* Must have at least a full ICMP header. */ + if (len < icmph_len) + return -EINVAL; + /* * Check the flags. */ |