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 0
# selftests: net/forwarding: tc_actions.sh
# TEST: gact drop and ok (skip_hw)                                    [ OK ]
# TEST: mirred egress flower redirect (skip_hw)                       [ OK ]
# TEST: mirred egress flower mirror (skip_hw)                         [ OK ]
# TEST: mirred egress matchall mirror (skip_hw)                       [ OK ]
[ 1045.610526] ping (4246) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
# [ 1065.498495] ncat (4395) used greatest stack depth: 10672 bytes left
[ 1087.535864] 
[ 1087.535966] ============================================
[ 1087.536263] WARNING: possible recursive locking detected
[ 1087.536547] 6.8.0-rc1-virtme #1 Not tainted
[ 1087.536776] --------------------------------------------
[ 1087.537062] ksoftirqd/0/16 is trying to acquire lock:
[ 1087.537332] ffff92c3039900b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1087.537756] 
[ 1087.537756] but task is already holding lock:
[ 1087.538072] ffff92c303990cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1087.538490] 
[ 1087.538490] other info that might help us debug this:
[ 1087.538914]  Possible unsafe locking scenario:
[ 1087.538914] 
[ 1087.539331]        CPU0
[ 1087.539524]        ----
[ 1087.539720]   lock(slock-AF_INET/1);
[ 1087.539999]   lock(slock-AF_INET/1);
[ 1087.540290] 
[ 1087.540290]  *** DEADLOCK ***
[ 1087.540290] 
[ 1087.540749]  May be due to missing lock nesting notation
[ 1087.540749] 
[ 1087.541276] 8 locks held by ksoftirqd/0/16:
[ 1087.541611]  #0: ffffffffa3d678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x6f/0x260
[ 1087.542287]  #1: ffffffffa3d678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1087.543022]  #2: ffff92c303990cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1087.543672]  #3: ffffffffa3d678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 1087.544340]  #4: ffffffffa3d678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 1087.545023]  #5: ffffffffa3d67880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 1087.545722]  #6: ffffffffa3d678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 1087.546400]  #7: ffffffffa3d678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1087.547112] 
[ 1087.547112] stack backtrace:
[ 1087.547468] CPU: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.8.0-rc1-virtme #1
[ 1087.548015] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1087.548907] Call Trace:
[ 1087.549118]  <TASK>
[ 1087.549301]  dump_stack_lvl+0x4b/0x80
[ 1087.549601]  __lock_acquire+0x1215/0x1750
[ 1087.549924]  ? sk_filter_trim_cap+0x53/0x360
[ 1087.550254]  lock_acquire+0xc1/0x2b0
[ 1087.550528]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1087.550808]  ? sk_filter_trim_cap+0x11a/0x360
[ 1087.551149]  _raw_spin_lock_nested+0x2e/0x40
[ 1087.551487]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1087.551779]  tcp_v4_rcv+0xdb5/0xef0
[ 1087.552060]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1087.552414]  ip_local_deliver_finish+0xaf/0x180
[ 1087.552771]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1087.553163]  netif_receive_skb+0x87/0x2c0
[ 1087.553476]  tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 1087.553883]  tcf_mirred_act+0xee/0x560 [act_mirred]
[ 1087.554264]  ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 1087.554682]  tcf_action_exec+0xaf/0x230
[ 1087.554992]  fl_classify+0x20e/0x260 [cls_flower]
[ 1087.555378]  ? fl_mask_lookup+0x17e/0x5a0 [cls_flower]
[ 1087.555767]  ? __pfx_usage_match+0x10/0x10
[ 1087.556084]  ? __bfs+0xf6/0x240
[ 1087.556337]  ? check_irq_usage+0x19c/0xc40
[ 1087.556665]  ? check_path.constprop.0+0x24/0x50
[ 1087.557028]  ? find_held_lock+0x2b/0x80
[ 1087.557334]  ? check_noncircular+0x81/0x150
[ 1087.557667]  ? __lock_acquire+0xa6e/0x1750
[ 1087.557996]  tcf_classify+0x17d/0x540
[ 1087.558293]  tc_run+0x9f/0x150
[ 1087.558544]  __dev_queue_xmit+0x311/0x1180
[ 1087.558872]  ? mark_held_locks+0x49/0x80
[ 1087.559190]  ip_finish_output2+0x39f/0xa20
[ 1087.559518]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1087.559848]  __ip_queue_xmit+0x1d5/0x6f0
[ 1087.560163]  __tcp_transmit_skb+0xb65/0xd30
[ 1087.560499]  ? __alloc_skb+0xdc/0x1a0
[ 1087.560796]  tcp_fin+0x116/0x380
[ 1087.561063]  tcp_data_queue+0x9d0/0xf60
[ 1087.561371]  tcp_rcv_state_process+0x489/0x11f0
[ 1087.561731]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1087.562025]  ? tcp_v4_do_rcv+0x64/0x360
[ 1087.562327]  tcp_v4_do_rcv+0x64/0x360
[ 1087.562622]  tcp_v4_rcv+0xe4f/0xef0
[ 1087.562912]  ? process_backlog+0x6f/0x260
[ 1087.563231]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1087.563592]  ip_local_deliver_finish+0xaf/0x180
[ 1087.563958]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1087.564338]  process_backlog+0x7c/0x260
[ 1087.564657]  __napi_poll.constprop.0+0x2a/0x1e0
[ 1087.564966]  net_rx_action+0x2be/0x340
[ 1087.565214]  __do_softirq+0xcb/0x37a
[ 1087.565450]  ? __pfx_smpboot_thread_fn+0x10/0x10
[ 1087.565752]  run_ksoftirqd+0x2e/0x40
[ 1087.565987]  smpboot_thread_fn+0xdc/0x1d0
[ 1087.566254]  kthread+0xdd/0x110
[ 1087.566468]  ? __pfx_kthread+0x10/0x10
[ 1087.566713]  ret_from_fork+0x34/0x50
[ 1087.566949]  ? __pfx_kthread+0x10/0x10
[ 1087.567214]  ret_from_fork_asm+0x1b/0x30
[ 1087.567523]  </TASK>
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__->