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 ]
[ 1068.709543] ping (10438) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
# [ 1070.144066] 
[ 1070.144185] ============================================
[ 1070.144498] WARNING: possible recursive locking detected
[ 1070.144794] 6.8.0-rc2-virtme #1 Not tainted
[ 1070.145068] --------------------------------------------
[ 1070.145386] ncat/10571 is trying to acquire lock:
[ 1070.145661] ffff8b7c055000b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1070.146139] 
[ 1070.146139] but task is already holding lock:
[ 1070.146462] ffff8b7c05500cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1070.146928] 
[ 1070.146928] other info that might help us debug this:
[ 1070.147322]  Possible unsafe locking scenario:
[ 1070.147322] 
[ 1070.147679]        CPU0
[ 1070.147842]        ----
[ 1070.147989]   lock(slock-AF_INET/1);
[ 1070.148207]   lock(slock-AF_INET/1);
[ 1070.148438] 
[ 1070.148438]  *** DEADLOCK ***
[ 1070.148438] 
[ 1070.148786]  May be due to missing lock nesting notation
[ 1070.148786] 
[ 1070.149181] 8 locks held by ncat/10571:
[ 1070.149418]  #0: ffffffff97f678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x6f/0x260
[ 1070.149922]  #1: ffffffff97f678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1070.150472]  #2: ffff8b7c05500cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1070.150940]  #3: ffffffff97f678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 1070.151414]  #4: ffffffff97f678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 1070.151895]  #5: ffffffff97f67880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 1070.152383]  #6: ffffffff97f678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 1070.152890]  #7: ffffffff97f678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1070.153403] 
[ 1070.153403] stack backtrace:
[ 1070.153667] CPU: 0 PID: 10571 Comm: ncat Not tainted 6.8.0-rc2-virtme #1
[ 1070.154088] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1070.154712] Call Trace:
[ 1070.154853]  <IRQ>
[ 1070.154980]  dump_stack_lvl+0x4b/0x80
[ 1070.155209]  __lock_acquire+0x1215/0x1750
[ 1070.155446]  ? sk_filter_trim_cap+0x53/0x360
[ 1070.155698]  lock_acquire+0xc1/0x2b0
[ 1070.155900]  ? tcp_v4_rcv+0xdba/0xf00
[ 1070.156119]  ? sk_filter_trim_cap+0x11a/0x360
[ 1070.156386]  _raw_spin_lock_nested+0x2e/0x40
[ 1070.156620]  ? tcp_v4_rcv+0xdba/0xf00
[ 1070.156827]  tcp_v4_rcv+0xdba/0xf00
[ 1070.157055]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1070.157310]  ip_local_deliver_finish+0xaf/0x180
[ 1070.157591]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1070.157873]  netif_receive_skb+0x87/0x2c0
[ 1070.158094]  tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 1070.158397]  tcf_mirred_act+0xee/0x560 [act_mirred]
[ 1070.158668]  ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 1070.158986]  tcf_action_exec+0xaf/0x230
[ 1070.159200]  fl_classify+0x20e/0x260 [cls_flower]
[ 1070.159466]  ? __pfx_usage_match+0x10/0x10
[ 1070.159705]  ? __bfs+0xf6/0x240
[ 1070.159917]  ? check_irq_usage+0x19c/0xc40
[ 1070.160166]  ? lock_acquire+0xc1/0x2b0
[ 1070.160381]  ? __skb_flow_dissect+0xc9/0x2d60
[ 1070.160639]  ? check_path.constprop.0+0x24/0x50
[ 1070.160915]  ? check_noncircular+0x81/0x150
[ 1070.161163]  ? __lock_acquire+0xa6e/0x1750
[ 1070.161422]  tcf_classify+0x17d/0x540
[ 1070.161630]  tc_run+0x9f/0x150
[ 1070.161816]  __dev_queue_xmit+0x311/0x1180
[ 1070.162050]  ? mark_held_locks+0x49/0x80
[ 1070.162280]  ? eth_header+0x2a/0xc0
[ 1070.162514]  ip_finish_output2+0x230/0xa20
[ 1070.162779]  ? ip_skb_dst_mtu+0x51/0x1c0
[ 1070.163004]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1070.163238]  __ip_queue_xmit+0x1d5/0x6f0
[ 1070.163489]  __tcp_transmit_skb+0xb65/0xd30
[ 1070.163724]  ? __alloc_skb+0xdc/0x1a0
[ 1070.163943]  tcp_rcv_state_process+0x4fb/0x1230
[ 1070.164226]  ? lock_acquire+0xc1/0x2b0
[ 1070.164445]  ? tcp_v4_rcv+0xdba/0xf00
[ 1070.164666]  ? tcp_v4_do_rcv+0x85/0x3a0
[ 1070.164903]  tcp_v4_do_rcv+0x85/0x3a0
[ 1070.165122]  tcp_v4_rcv+0xe54/0xf00
[ 1070.165327]  ? process_backlog+0x6f/0x260
[ 1070.165560]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1070.165816]  ip_local_deliver_finish+0xaf/0x180
[ 1070.166066]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1070.166340]  process_backlog+0x7c/0x260
[ 1070.166588]  __napi_poll.constprop.0+0x2a/0x1e0
[ 1070.166854]  net_rx_action+0x2be/0x340
[ 1070.167085]  __do_softirq+0xcb/0x37a
[ 1070.167297]  ? tcp_recvmsg+0x80/0x200
[ 1070.167518]  do_softirq+0x4d/0x90
[ 1070.167707]  </IRQ>
[ 1070.167833]  <TASK>
[ 1070.167961]  __local_bh_enable_ip+0xbf/0xe0
[ 1070.168219]  tcp_recvmsg+0x80/0x200
[ 1070.168438]  inet_recvmsg+0x70/0x260
[ 1070.168644]  __sys_recvfrom+0x168/0x1a0
[ 1070.168863]  ? do_pselect.constprop.0+0xde/0x170
[ 1070.169150]  __x64_sys_recvfrom+0x24/0x30
[ 1070.169376]  do_syscall_64+0xcc/0x1e0
[ 1070.169584]  entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 1070.169895] RIP: 0033:0x7f0edcb334c0
[ 1070.170108] Code: 84 00 00 00 00 00 0f 1f 40 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20
[ 1070.171091] RSP: 002b:00007ffda989d728 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
[ 1070.171547] RAX: ffffffffffffffda RBX: 00005600bce38a20 RCX: 00007f0edcb334c0
[ 1070.171940] RDX: 0000000000002000 RSI: 00007ffda989d7b0 RDI: 0000000000000008
[ 1070.172340] RBP: 00007ffda989d7b0 R08: 0000000000000000 R09: 0000000000000000
[ 1070.172728] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
[ 1070.173125] R13: 00005600bce38a20 R14: 0000000000000000 R15: 00007ffda989d7ac
[ 1070.173550]  </TASK>
[ 1089.926623] ncat (10572) used greatest stack depth: 10656 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__->