* [RFC PATCH 4/5] netlink: mmap: update tx type check
2015-07-22 1:09 [RFC PATCH 0/5] netlink: mmap kernel panic and some issues Ken-ichirou MATSUZAWA
@ 2015-07-22 1:14 ` Ken-ichirou MATSUZAWA
0 siblings, 0 replies; 2+ messages in thread
From: Ken-ichirou MATSUZAWA @ 2015-07-22 1:14 UTC (permalink / raw)
To: The netfilter developer mailinglist
We need to accept msg_iter.type 1(WRITE) which is set in sendto/sendmsg.
Signed-off-by: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
---
net/netlink/af_netlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index a6fba4c..7e1610e 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2394,7 +2394,7 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
* sendmsg(), but that's what we've got...
*/
if (netlink_tx_is_mmaped(sk) &&
- msg->msg_iter.type == ITER_IOVEC &&
+ !(msg->msg_iter.type & (ITER_KVEC | ITER_BVEC)) &&
msg->msg_iter.nr_segs == 1 &&
msg->msg_iter.iov->iov_base == NULL) {
err = netlink_mmap_sendmsg(sk, msg, dst_portid, dst_group,
--
1.7.10.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [RFC PATCH 4/5] netlink: mmap: update tx type check
@ 2015-07-22 13:22 Ken-ichirou MATSUZAWA
0 siblings, 0 replies; 2+ messages in thread
From: Ken-ichirou MATSUZAWA @ 2015-07-22 13:22 UTC (permalink / raw)
To: netdev
We need to accept msg_iter.type 1(WRITE) which is set in sendto/sendmsg.
Signed-off-by: Ken-ichirou MATSUZAWA <chamas@h4.dion.ne.jp>
---
net/netlink/af_netlink.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index a6fba4c..7e1610e 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2394,7 +2394,7 @@ static int netlink_sendmsg(struct socket *sock, struct msghdr *msg, size_t len)
* sendmsg(), but that's what we've got...
*/
if (netlink_tx_is_mmaped(sk) &&
- msg->msg_iter.type == ITER_IOVEC &&
+ !(msg->msg_iter.type & (ITER_KVEC | ITER_BVEC)) &&
msg->msg_iter.nr_segs == 1 &&
msg->msg_iter.iov->iov_base == NULL) {
err = netlink_mmap_sendmsg(sk, msg, dst_portid, dst_group,
--
1.7.10.4
----- End forwarded message -----
^ permalink raw reply related [flat|nested] 2+ messages in thread
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