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 ]
# TEST: mirred egress flower redirect (skip_hw)                       [ OK ]
# TEST: mirred egress flower mirror (skip_hw)                         [ OK ]
# TEST: mirred egress matchall mirror (skip_hw)                       [ OK ]
[ 1200.555934] ping (14091) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
# [ 1202.422854] 
[ 1202.422984] ============================================
[ 1202.423309] WARNING: possible recursive locking detected
[ 1202.423597] 6.8.0-rc2-virtme #1 Not tainted
[ 1202.423827] --------------------------------------------
[ 1202.424095] swapper/3/0 is trying to acquire lock:
[ 1202.424346] ffff936d026a8cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1202.424784] 
[ 1202.424784] but task is already holding lock:
[ 1202.425078] ffff936d026a80b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1202.425490] 
[ 1202.425490] other info that might help us debug this:
[ 1202.425821]  Possible unsafe locking scenario:
[ 1202.425821] 
[ 1202.426131]        CPU0
[ 1202.426267]        ----
[ 1202.426420]   lock(slock-AF_INET/1);
[ 1202.426613]   lock(slock-AF_INET/1);
[ 1202.426806] 
[ 1202.426806]  *** DEADLOCK ***
[ 1202.426806] 
[ 1202.427124]  May be due to missing lock nesting notation
[ 1202.427124] 
[ 1202.427491] 8 locks held by swapper/3/0:
[ 1202.427711]  #0: ffffffffba1678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x6f/0x260
[ 1202.428153]  #1: ffffffffba1678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1202.428645]  #2: ffff936d026a80b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1202.429076]  #3: ffffffffba1678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 1202.429533]  #4: ffffffffba1678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 1202.429986]  #5: ffffffffba167880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 1202.430459]  #6: ffffffffba1678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 1202.430940]  #7: ffffffffba1678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1202.431427] 
[ 1202.431427] stack backtrace:
[ 1202.431668] CPU: 3 PID: 0 Comm: swapper/3 Not tainted 6.8.0-rc2-virtme #1
[ 1202.432020] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1202.432695] Call Trace:
[ 1202.432845]  <IRQ>
[ 1202.432977]  dump_stack_lvl+0x4b/0x80
[ 1202.433201]  __lock_acquire+0x1215/0x1750
[ 1202.433424]  ? sk_filter_trim_cap+0x53/0x360
[ 1202.433667]  lock_acquire+0xc1/0x2b0
[ 1202.433862]  ? tcp_v4_rcv+0xdba/0xf00
[ 1202.434101]  ? sk_filter_trim_cap+0x11a/0x360
[ 1202.434349]  _raw_spin_lock_nested+0x2e/0x40
[ 1202.434586]  ? tcp_v4_rcv+0xdba/0xf00
[ 1202.434794]  tcp_v4_rcv+0xdba/0xf00
[ 1202.435001]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1202.435248]  ip_local_deliver_finish+0xaf/0x180
[ 1202.435503]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1202.435773]  netif_receive_skb+0x87/0x2c0
[ 1202.436003]  tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 1202.436304]  tcf_mirred_act+0xee/0x560 [act_mirred]
[ 1202.436567]  ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 1202.436849]  tcf_action_exec+0xac/0x230
[ 1202.437068]  fl_classify+0x20e/0x260 [cls_flower]
[ 1202.437322]  ? __bfs+0xf3/0x240
[ 1202.437505]  ? check_irq_usage+0x19c/0xc40
[ 1202.437726]  ? check_path.constprop.0+0x24/0x50
[ 1202.437970]  ? check_noncircular+0x81/0x150
[ 1202.438212]  ? check_irq_usage+0x19c/0xc40
[ 1202.438440]  ? __lock_acquire+0xa6e/0x1750
[ 1202.438664]  tcf_classify+0x17a/0x540
[ 1202.438862]  tc_run+0x9f/0x150
[ 1202.439049]  __dev_queue_xmit+0x311/0x1180
[ 1202.439262]  ? mark_held_locks+0x49/0x80
[ 1202.439471]  ? eth_header+0x2a/0xc0
[ 1202.439662]  ip_finish_output2+0x22d/0xa20
[ 1202.439898]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1202.440120]  __ip_queue_xmit+0x1d5/0x6f0
[ 1202.440378]  __tcp_transmit_skb+0xb65/0xd30
[ 1202.440609]  ? mark_held_locks+0x49/0x80
[ 1202.440841]  tcp_write_xmit+0x492/0x1400
[ 1202.441068]  ? tcp_current_mss+0x195/0x210
[ 1202.441287]  __tcp_push_pending_frames+0x36/0xc0
[ 1202.441540]  tcp_rcv_state_process+0x4db/0x1230
[ 1202.441782]  ? lock_acquire+0xc1/0x2b0
[ 1202.441997]  ? tcp_v4_rcv+0xdba/0xf00
[ 1202.442189]  ? tcp_v4_do_rcv+0x85/0x3a0
[ 1202.442399]  ? lock_is_held_type+0x9f/0x120
[ 1202.442629]  tcp_v4_do_rcv+0x85/0x3a0
[ 1202.442821]  tcp_v4_rcv+0xe54/0xf00
[ 1202.443005]  ? process_backlog+0x6f/0x260
[ 1202.443217]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1202.443473]  ip_local_deliver_finish+0xaf/0x180
[ 1202.443721]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1202.443984]  process_backlog+0x7c/0x260
[ 1202.444198]  __napi_poll.constprop.0+0x27/0x1e0
[ 1202.444471]  net_rx_action+0x2be/0x340
[ 1202.444679]  __do_softirq+0xc8/0x37a
[ 1202.444877]  irq_exit_rcu+0x7f/0xa0
[ 1202.445076]  sysvec_apic_timer_interrupt+0x78/0x90
[ 1202.445334]  </IRQ>
[ 1202.445464]  <TASK>
[ 1202.445589]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 1202.445867] RIP: 0010:default_idle+0xf/0x20
[ 1202.446091] 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
[ 1202.447069] RSP: 0018:ffffaf2c800b3ee8 EFLAGS: 00000246
[ 1202.447428] RAX: 00000000033694cf RBX: ffff936d0133c280 RCX: 4000000000000000
[ 1202.447876] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb87a8863
[ 1202.448338] RBP: 0000000000000003 R08: 0000000000000001 R09: 0000000000000001
[ 1202.448846] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[ 1202.449352] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 1202.449883]  ? do_idle+0x1e3/0x220
[ 1202.450145]  default_idle_call+0x83/0x180
[ 1202.450515]  do_idle+0x1e3/0x220
[ 1202.450772]  ? finish_task_switch.isra.0+0xf7/0x330
[ 1202.451141]  cpu_startup_entry+0x2a/0x30
[ 1202.451437]  start_secondary+0xfc/0x100
[ 1202.451745]  secondary_startup_64_no_verify+0x16d/0x17b
[ 1202.452147]  </TASK>
[ 1220.689412] ncat (14220) 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__->