diff options
| author | Dave Jones <davej@codemonkey.org.uk> | 2016-04-04 15:11:50 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-09-16 08:13:36 +0200 |
| commit | 8cc953562e2e293575514c40806eee438a967364 (patch) | |
| tree | a24187fadf8d0694139629ec23a22b7d9228957e | |
| parent | 52b0d2ee55cafcaa7cd4b12cb65fc7432b30dcf6 (diff) | |
af_packet: tone down the Tx-ring unsupported spew.
[ Upstream commit 6ae81ced378820c4c6434b1dedba14a7122df310 ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | net/packet/af_packet.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index 5d8988185c59..0dd9fc3f57e8 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -4176,7 +4176,7 @@ 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; } |