Paolo Abeni f6d5eb174e bpf: Do not WARN in bpf_warn_invalid_xdp_action() ...

[ Upstream commit 2cbad98903 ]

The WARN_ONCE() in bpf_warn_invalid_xdp_action() can be triggered by
any bugged program, and even attaching a correct program to a NIC
not supporting the given action.

The resulting splat, beyond polluting the logs, fouls automated tools:
e.g. a syzkaller reproducers using an XDP program returning an
unsupported action will never pass validation.

Replace the WARN_ONCE with a less intrusive pr_warn_once().

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Toke Høiland-Jørgensen <toke@redhat.com>
Link: https://lore.kernel.org/bpf/016ceec56e4817ebb2a9e35ce794d5c917df572c.1638189075.git.pabeni@redhat.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

2022-01-27 09:04:25 +01:00

..

datagram.c

net: add READ_ONCE() annotation in __skb_wait_for_more_packets()

2019-11-10 11:27:49 +01:00

dev_addr_lists.c

net: change the comment of dev_mc_init

2018-04-19 12:58:20 -04:00

dev_ioctl.c

net: remove redundant input checks in SIOCSIFTXQLEN case of dev_ifsioc

2018-07-24 11:36:15 -07:00

dev.c

net: annotate data-races on txq->xmit_lock_owner

2021-12-08 08:50:14 +01:00

devlink.c

devlink: Add missing genlmsg_cancel() in devlink_nl_sb_port_pool_fill()

2020-11-24 13:27:16 +01:00

drop_monitor.c

drop_monitor: work around gcc-10 stringop-overflow warning

2020-05-20 08:18:33 +02:00

dst_cache.c

net: core: dst_cache_set_ip6: Rename 'addr' parameter to 'saddr' for consistency

2018-03-05 12:52:45 -05:00

dst.c

netfilter: nf_tables: add tunnel support

2018-08-03 21:12:12 +02:00

ethtool.c

net: ethtool: clear heap allocations for ethtool function

2021-06-30 08:48:30 -04:00

failover.c

failover: allow name change on IFF_UP slave interfaces

2019-04-27 09:36:30 +02:00

fib_notifier.c

net: Fix fib notifer to return errno

2018-03-29 14:10:30 -04:00

fib_rules.c

fib: Return the correct errno code

2021-06-30 08:48:13 -04:00

filter.c

bpf: Do not WARN in bpf_warn_invalid_xdp_action()

2022-01-27 09:04:25 +01:00

flow_dissector.c

flow_dissector: Fix out-of-bounds warnings

2021-09-22 11:48:04 +02:00

gen_estimator.c

net_sched: gen_estimator: support large ewma log

2021-02-07 14:48:37 +01:00

gen_stats.c

net: sched: put back q.qlen into a single location

2019-03-10 07:17:16 +01:00

gro_cells.c

gro_cells: make sure device is up in gro_cells_receive()

2019-03-19 13:12:38 +01:00

hwbm.c

net: hwbm: Fix unbalanced spinlock in error case

2016-05-25 12:35:09 -07:00

link_watch.c

net: link_watch: mark bonding link events urgent

2018-01-23 19:43:30 -05:00

lwt_bpf.c

lwt: Disable BH too in run_lwt_bpf()

2020-12-30 11:26:06 +01:00

lwtunnel.c

ipv6: sr: define core operations for seg6local lightweight tunnel

2017-08-07 14:16:22 -07:00

Makefile

net: Introduce generic failover module

2018-05-28 22:59:54 -04:00

neighbour.c

net, neigh: clear whole pneigh_entry at alloc time

2021-12-14 10:18:08 +01:00

net_namespace.c

netns: protect netns ID lookups with RCU

2021-09-22 11:47:55 +02:00

net-procfs.c

proc: introduce proc_create_net{,_data}

2018-05-16 07:24:30 +02:00

net-sysfs.c

net-sysfs: update the queue counts in the unregistration path

2022-01-27 09:04:25 +01:00

net-sysfs.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

net-traces.c

net/ipv6: Udate fib6_table_lookup tracepoint

2018-05-24 23:01:15 -04:00

netclassid_cgroup.c

cgroup, netclassid: remove double cond_resched

2020-05-10 10:30:12 +02:00

netevent.c

netevent: remove automatic variable in register_netevent_notifier()

2015-05-31 00:03:21 -07:00

netpoll.c

net: Have netpoll bring-up DSA management interface

2020-11-24 13:27:17 +01:00

netprio_cgroup.c

netprio_cgroup: Fix unlimited memory leak of v2 cgroups

2020-05-20 08:18:38 +02:00

page_pool.c

net/page_pool: Fix inconsistent lock state warning

2018-07-19 23:23:01 -07:00

pktgen.c

pktgen: fix misuse of BUG_ON() in pktgen_thread_worker()

2021-03-07 12:18:57 +01:00

ptp_classifier.c

ptp: Change ptp_class to a proper bitmask

2015-11-03 11:08:22 -05:00

request_sock.c

ipv4: Namespaceify tcp_max_syn_backlog knob

2016-12-29 11:38:31 -05:00

rtnetlink.c

net: core: netlink: add helper refcount dec and lock function

2021-12-14 10:18:04 +01:00

scm.c

sched/headers: Prepare for new header dependencies before moving code to <linux/sched/user.h>

2017-03-02 08:42:29 +01:00

secure_seq.c

infiniband: i40iw, nes: don't use wall time for TCP sequence numbers

2018-07-11 12:10:19 -06:00

skbuff.c

net: Fix zero-copy head len calculation.

2021-08-08 08:54:29 +02:00

sock_diag.c

net: sock_diag: Fix spectre v1 gadget in __sock_diag_cmd()

2018-08-14 10:01:24 -07:00

sock_reuseport.c

udp: Prevent reuseport_select_sock from reading uninitialized socks

2021-01-23 15:49:55 +01:00

sock.c

af_unix: fix races in sk_peer_pid and sk_peer_cred accesses

2021-10-06 15:31:24 +02:00

stream.c

net: stream: don't purge sk_error_queue in sk_stream_kill_queues()

2021-11-26 11:36:09 +01:00

sysctl_net_core.c

bpf: Prevent increasing bpf_jit_limit above max

2021-11-26 11:35:59 +01:00

timestamping.c

net: skb_defer_rx_timestamp should check for phydev before setting up classify

2015-07-09 14:17:15 -07:00

tso.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

utils.c

net: Fix skb->csum update in inet_proto_csum_replace16().

2020-02-05 14:43:53 +00:00

xdp.c

net/xdp: Fix suspicious RCU usage warning

2018-08-16 21:55:21 +02:00