diff options
| author | Willem de Bruijn <willemb@google.com> | 2016-12-22 18:19:16 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-12-23 12:19:18 -0500 |
| commit | 39b2dd765e0711e1efd1d1df089473a8dd93ad48 (patch) | |
| tree | e95a7c908c2bb7140aa16cbbbf4fb74af41085ed /Documentation/unaligned-memory-access.txt | |
| parent | 9aa340a5c36eafa847861336db446886a5ed1962 (diff) | |
inet: fix IP(V6)_RECVORIGDSTADDR for udp sockets
Socket cmsg IP(V6)_RECVORIGDSTADDR checks that port range lies within
the packet. For sockets that have transport headers pulled, transport
offset can be negative. Use signed comparison to avoid overflow.
Fixes: e6afc8ace6dd ("udp: remove headers from UDP packets before queueing")
Reported-by: Nisar Jagabar <njagabar@cloudmark.com>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/unaligned-memory-access.txt')
0 files changed, 0 insertions, 0 deletions