make -C tools/testing/selftests TARGETS=net/forwarding TEST_PROGS=tc_actioons.sh TEST_GEN_PROGS="" run_tests
make: Entering directory '/home/virtme/testing-2/tools/testing/selftests'
make[1]: Entering directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
make[1]: Nothing to be done for 'all'.
make[1]: Leaving directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
make[1]: Entering directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
TAP version 13
1..1
# timeout set to 10800
# selftests: net/forwarding: tc_actions.sh
# TEST: gact drop and ok (skip_hw)                                    [ OK ]
[ 1033.886683] Mirror/redirect action on
# TEST: mirred egress flower redirect (skip_hw)                       [ OK ]
# TEST: mirred egress flower mirror (skip_hw)                         [ OK ]
# TEST: mirred egress matchall mirror (skip_hw)                       [ OK ]
[ 1038.532874] ping (5283) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
# [ 1042.329790] 
[ 1042.329919] ============================================
[ 1042.330218] WARNING: possible recursive locking detected
[ 1042.330528] 6.8.0-rc1-virtme #1 Not tainted
[ 1042.330753] --------------------------------------------
[ 1042.331035] ksoftirqd/3/32 is trying to acquire lock:
[ 1042.331315] ffff8f14460d8cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1042.331759] 
[ 1042.331759] but task is already holding lock:
[ 1042.332069] ffff8f14460d80b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1042.332497] 
[ 1042.332497] other info that might help us debug this:
[ 1042.332860]  Possible unsafe locking scenario:
[ 1042.332860] 
[ 1042.333177]        CPU0
[ 1042.333325]        ----
[ 1042.333465]   lock(slock-AF_INET/1);
[ 1042.333673]   lock(slock-AF_INET/1);
[ 1042.333905] 
[ 1042.333905]  *** DEADLOCK ***
[ 1042.333905] 
[ 1042.334216]  May be due to missing lock nesting notation
[ 1042.334216] 
[ 1042.334595] 8 locks held by ksoftirqd/3/32:
[ 1042.334850]  #0: ffffffff853678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x6f/0x260
[ 1042.335316]  #1: ffffffff853678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1042.335819]  #2: ffff8f14460d80b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1042.336274]  #3: ffffffff853678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 1042.336742]  #4: ffffffff853678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 1042.337199]  #5: ffffffff85367880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 1042.337683]  #6: ffffffff853678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 1042.338162]  #7: ffffffff853678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1042.338663] 
[ 1042.338663] stack backtrace:
[ 1042.338924] CPU: 3 PID: 32 Comm: ksoftirqd/3 Not tainted 6.8.0-rc1-virtme #1
[ 1042.339310] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1042.339917] Call Trace:
[ 1042.340082]  <TASK>
[ 1042.340207]  dump_stack_lvl+0x4b/0x80
[ 1042.340418]  __lock_acquire+0x1215/0x1750
[ 1042.340657]  ? sk_filter_trim_cap+0x53/0x360
[ 1042.340907]  lock_acquire+0xc1/0x2b0
[ 1042.341132]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1042.341345]  ? sk_filter_trim_cap+0x11a/0x360
[ 1042.341601]  _raw_spin_lock_nested+0x2e/0x40
[ 1042.341849]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1042.342069]  tcp_v4_rcv+0xdb5/0xef0
[ 1042.342276]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1042.342537]  ip_local_deliver_finish+0xaf/0x180
[ 1042.342790]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1042.343057]  netif_receive_skb+0x87/0x2c0
[ 1042.343300]  tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 1042.343589]  tcf_mirred_act+0xee/0x560 [act_mirred]
[ 1042.343871]  ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 1042.344164]  ? print_irq_inversion_bug.part.0+0x175/0x280
[ 1042.344474]  tcf_action_exec+0xaf/0x230
[ 1042.344702]  fl_classify+0x20e/0x260 [cls_flower]
[ 1042.344974]  ? fl_mask_lookup+0x17e/0x5a0 [cls_flower]
[ 1042.345274]  ? __pfx_usage_match+0x10/0x10
[ 1042.345516]  ? __bfs+0xf6/0x240
[ 1042.345686]  ? check_irq_usage+0x19c/0xc40
[ 1042.345922]  ? check_path.constprop.0+0x24/0x50
[ 1042.346185]  ? check_noncircular+0x81/0x150
[ 1042.346428]  ? lock_release+0xbe/0x270
[ 1042.346651]  ? __lock_acquire+0xa6e/0x1750
[ 1042.346880]  tcf_classify+0x17d/0x540
[ 1042.347088]  tc_run+0x9f/0x150
[ 1042.347281]  __dev_queue_xmit+0x311/0x1180
[ 1042.347520]  ? mark_held_locks+0x49/0x80
[ 1042.347753]  ip_finish_output2+0x39f/0xa20
[ 1042.347972]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1042.348206]  __ip_queue_xmit+0x1d5/0x6f0
[ 1042.348441]  __tcp_transmit_skb+0xb65/0xd30
[ 1042.348683]  tcp_write_xmit+0x492/0x1400
[ 1042.348922]  __tcp_push_pending_frames+0x36/0xc0
[ 1042.349171]  tcp_rcv_state_process+0x4d3/0x11f0
[ 1042.349430]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1042.349652]  ? tcp_v4_do_rcv+0x64/0x360
[ 1042.349874]  tcp_v4_do_rcv+0x64/0x360
[ 1042.350110]  tcp_v4_rcv+0xe4f/0xef0
[ 1042.350313]  ? process_backlog+0x6f/0x260
[ 1042.350550]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1042.350807]  ip_local_deliver_finish+0xaf/0x180
[ 1042.351074]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1042.351352]  process_backlog+0x7c/0x260
[ 1042.351577]  __napi_poll.constprop.0+0x2a/0x1e0
[ 1042.351842]  net_rx_action+0x2be/0x340
[ 1042.352066]  __do_softirq+0xcb/0x37a
[ 1042.352272]  ? __pfx_smpboot_thread_fn+0x10/0x10
[ 1042.352529]  run_ksoftirqd+0x2e/0x40
[ 1042.352750]  smpboot_thread_fn+0xdc/0x1d0
[ 1042.352972]  kthread+0xdd/0x110
[ 1042.353160]  ? __pfx_kthread+0x10/0x10
[ 1042.353388]  ret_from_fork+0x34/0x50
[ 1042.353597]  ? __pfx_kthread+0x10/0x10
[ 1042.353821]  ret_from_fork_asm+0x1b/0x30
[ 1042.354034]  </TASK>
[ 1059.663889] ncat (5428) used greatest stack depth: 10672 bytes left
TEST: mirred_egress_to_ingress_tcp (skip_hw)                        [ OK ]
# INFO: Could not test offloaded functionality
ok 1 selftests: net/forwarding: tc_actions.sh
make[1]: Leaving directory '/home/virtme/testing-2/tools/testing/selftests/net/forwarding'
make: Leaving directory '/home/virtme/testing-2/tools/testing/selftests'
xx__-> echo $?
0
xx__->