lkml.org 
[lkml]   [2016]   [Mar]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 3.19.y-ckt 154/196] af_iucv: Validate socket address length in iucv_sock_bind()
    Date
    3.19.8-ckt16 -stable review patch.  If anyone has any objections, please let me know.

    ---8<------------------------------------------------------------

    From: Ursula Braun <ursula.braun@de.ibm.com>

    [ Upstream commit 52a82e23b9f2a9e1d429c5207f8575784290d008 ]

    Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
    Reported-by: Dmitry Vyukov <dvyukov@google.com>
    Reviewed-by: Evgeny Cherkashin <Eugene.Crosser@ru.ibm.com>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Kamal Mostafa <kamal@canonical.com>
    ---
    net/iucv/af_iucv.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
    index 2e9953b..6fec9f0 100644
    --- a/net/iucv/af_iucv.c
    +++ b/net/iucv/af_iucv.c
    @@ -709,6 +709,9 @@ static int iucv_sock_bind(struct socket *sock, struct sockaddr *addr,
    if (!addr || addr->sa_family != AF_IUCV)
    return -EINVAL;

    + if (addr_len < sizeof(struct sockaddr_iucv))
    + return -EINVAL;
    +
    lock_sock(sk);
    if (sk->sk_state != IUCV_OPEN) {
    err = -EBADFD;
    --
    2.7.0
    \
     
     \ /
      Last update: 2016-03-09 02:41    [W:5.497 / U:0.156 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site