| commit | 8f659a03a0ba9289b9aeb9b4470e6fb263d6f483 | [log] [tgz] |
|---|---|---|
| author | Mohamed Ghannam <simo.ghannam@gmail.com> | Sun Dec 10 03:50:58 2017 +0000 |
| committer | David S. Miller <davem@davemloft.net> | Mon Dec 11 14:05:31 2017 -0500 |
| tree | 2b962b0543f8306cadba7cd992f3f523834e87a9 | |
| parent | 93c647643b48f0131f02e45da3bd367d80443291 [diff] |
net: ipv4: fix for a race condition in raw_sendmsg
inet->hdrincl is racy, and could lead to uninitialized stack pointer
usage, so its value should be read only once.
Fixes: c008ba5bdc9f ("ipv4: Avoid reading user iov twice after raw_probe_proto_opt")
Signed-off-by: Mohamed Ghannam <simo.ghannam@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>