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authorDave Jones <davej@codemonkey.org.uk>2016-04-04 15:11:50 -0400
committerDavid S. Miller <davem@davemloft.net>2016-04-06 16:05:20 -0400
commit6ae81ced378820c4c6434b1dedba14a7122df310 (patch)
tree2793c3acd8295840260cc7b62a973ce336c27b2c
parent18fcf49f87f4b280d3cd695fc77766004b223af5 (diff)
downloadlinux-sh-6ae81ced378820c4c6434b1dedba14a7122df310.tar.gz
af_packet: tone down the Tx-ring unsupported spew.
Trinity and other fuzzers can hit this WARN on far too easily, resulting in a tainted kernel that hinders automated fuzzing. Replace it with a rate-limited printk. Signed-off-by: Dave Jones <davej@codemonkey.org.uk> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/packet/af_packet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 1ecfa710ca98..f12c17f355d9 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -4151,7 +4151,7 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u,
/* Opening a Tx-ring is NOT supported in TPACKET_V3 */
if (!closing && tx_ring && (po->tp_version > TPACKET_V2)) {
- WARN(1, "Tx-ring is not supported.\n");
+ net_warn_ratelimited("Tx-ring is not supported.\n");
goto out;
}