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 ]
[ 1143.700573] 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 ]
[ 1148.490236] ping (5524) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
# [ 1150.028902] 
[ 1150.029039] ============================================
[ 1150.029359] WARNING: possible recursive locking detected
[ 1150.029654] 6.8.0-rc2-virtme #1 Not tainted
[ 1150.029900] --------------------------------------------
[ 1150.030187] swapper/3/0 is trying to acquire lock:
[ 1150.030495] ffff8f4a86968cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1150.030958] 
[ 1150.030958] but task is already holding lock:
[ 1150.031318] ffff8f4a869680b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1150.031784] 
[ 1150.031784] other info that might help us debug this:
[ 1150.032159]  Possible unsafe locking scenario:
[ 1150.032159] 
[ 1150.032514]        CPU0
[ 1150.032681]        ----
[ 1150.032850]   lock(slock-AF_INET/1);
[ 1150.033044]   lock(slock-AF_INET/1);
[ 1150.033289] 
[ 1150.033289]  *** DEADLOCK ***
[ 1150.033289] 
[ 1150.033626]  May be due to missing lock nesting notation
[ 1150.033626] 
[ 1150.034041] 8 locks held by swapper/3/0:
[ 1150.034267]  #0: ffffffff87f678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x6f/0x260
[ 1150.034770]  #1: ffffffff87f678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1150.035281]  #2: ffff8f4a869680b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1150.035772]  #3: ffffffff87f678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 1150.036252]  #4: ffffffff87f678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 1150.036772]  #5: ffffffff87f67880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 1150.037263]  #6: ffffffff87f678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 1150.037761]  #7: ffffffff87f678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1150.038258] 
[ 1150.038258] stack backtrace:
[ 1150.038502] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 6.8.0-rc2-virtme #1
[ 1150.038910] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1150.039529] Call Trace:
[ 1150.039678]  <IRQ>
[ 1150.039822]  dump_stack_lvl+0x4b/0x80
[ 1150.040034]  __lock_acquire+0x1215/0x1750
[ 1150.040279]  ? sk_filter_trim_cap+0x53/0x360
[ 1150.040545]  lock_acquire+0xc1/0x2b0
[ 1150.040795]  ? tcp_v4_rcv+0xdba/0xf00
[ 1150.041010]  ? sk_filter_trim_cap+0x11a/0x360
[ 1150.041281]  _raw_spin_lock_nested+0x2e/0x40
[ 1150.041563]  ? tcp_v4_rcv+0xdba/0xf00
[ 1150.041822]  tcp_v4_rcv+0xdba/0xf00
[ 1150.042040]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1150.042301]  ip_local_deliver_finish+0xaf/0x180
[ 1150.042582]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1150.042862]  netif_receive_skb+0x87/0x2c0
[ 1150.043085]  tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 1150.043438]  tcf_mirred_act+0xee/0x560 [act_mirred]
[ 1150.043739]  ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 1150.044021]  tcf_action_exec+0xac/0x230
[ 1150.044274]  fl_classify+0x20e/0x260 [cls_flower]
[ 1150.044591]  ? __bfs+0xf3/0x240
[ 1150.044798]  ? check_irq_usage+0x19c/0xc40
[ 1150.045045]  ? __bfs+0xdf/0x240
[ 1150.045270]  ? check_path.constprop.0+0x24/0x50
[ 1150.045558]  ? check_noncircular+0x81/0x150
[ 1150.045826]  ? __bfs+0xf3/0x240
[ 1150.046030]  ? __lock_acquire+0xa6e/0x1750
[ 1150.046282]  tcf_classify+0x17a/0x540
[ 1150.046509]  tc_run+0x9f/0x150
[ 1150.046719]  __dev_queue_xmit+0x311/0x1180
[ 1150.046999]  ? mark_held_locks+0x49/0x80
[ 1150.047217]  ? eth_header+0x2a/0xc0
[ 1150.047451]  ip_finish_output2+0x22d/0xa20
[ 1150.047690]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1150.047949]  __ip_queue_xmit+0x1d5/0x6f0
[ 1150.048177]  __tcp_transmit_skb+0xb65/0xd30
[ 1150.048429]  ? mark_held_locks+0x49/0x80
[ 1150.048661]  tcp_write_xmit+0x492/0x1400
[ 1150.048915]  ? tcp_current_mss+0x195/0x210
[ 1150.049149]  __tcp_push_pending_frames+0x36/0xc0
[ 1150.049410]  tcp_rcv_state_process+0x4db/0x1230
[ 1150.049695]  ? lock_acquire+0xc1/0x2b0
[ 1150.049903]  ? tcp_v4_rcv+0xdba/0xf00
[ 1150.050138]  ? tcp_v4_do_rcv+0x85/0x3a0
[ 1150.050361]  ? lock_is_held_type+0x9f/0x120
[ 1150.050582]  tcp_v4_do_rcv+0x85/0x3a0
[ 1150.050813]  tcp_v4_rcv+0xe54/0xf00
[ 1150.051021]  ? process_backlog+0x6f/0x260
[ 1150.051254]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1150.051510]  ip_local_deliver_finish+0xaf/0x180
[ 1150.051791]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1150.052066]  process_backlog+0x7c/0x260
[ 1150.052281]  __napi_poll.constprop.0+0x27/0x1e0
[ 1150.052552]  net_rx_action+0x2be/0x340
[ 1150.052769]  __do_softirq+0xc8/0x37a
[ 1150.052966]  irq_exit_rcu+0x7f/0xa0
[ 1150.053188]  sysvec_apic_timer_interrupt+0x78/0x90
[ 1150.053488]  </IRQ>
[ 1150.053632]  <TASK>
[ 1150.053791]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1150.054072] RIP: 0010:default_idle+0xf/0x20
[ 1150.054317] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 2d 40 00 fb f4 <fa> c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90
[ 1150.055297] RSP: 0018:ffffa8fb400b3ee8 EFLAGS: 00000242
[ 1150.055608] RAX: 0000000000470bad RBX: ffff8f4a8133c280 RCX: 4000000000000000
[ 1150.055994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff865a8863
[ 1150.056382] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000001
[ 1150.056812] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 1150.057227] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1150.057680]  ? do_idle+0x1e3/0x220
[ 1150.057901]  default_idle_call+0x83/0x180
[ 1150.058174]  do_idle+0x1e3/0x220
[ 1150.058357]  ? do_idle+0x7/0x220
[ 1150.058581]  cpu_startup_entry+0x2a/0x30
[ 1150.058793]  start_secondary+0xfc/0x100
[ 1150.059035]  secondary_startup_64_no_verify+0x16d/0x17b
[ 1150.059337]  </TASK>
[ 1150.063079] ncat (5653) used greatest stack depth: 10664 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__->