diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-13 20:16:40 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-12-13 20:16:40 -0300 |
| commit | 6baeafd1f2a54ca041ff71778ebda9fac75aad12 (patch) | |
| tree | 57d2d68fa5d1d91f57cd7fcf0aed0a97892cc8cc /net/ipv4/ping.c | |
| parent | 189382f7a338c02b448ab27e1d5566e052165dc8 (diff) | |
Linux-libre 4.8.14-gnuHEADpck-4.8.14-gnumaster
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 66ddcb605..dcdd5aed7 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -662,6 +662,10 @@ 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. */ |