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 ]
[ 1221.144817] tc (3265) used greatest stack depth: 11696 bytes left
# TEST: mirred egress flower redirect (skip_hw)                       [ OK ]
# TEST: mirred egress flower mirror (skip_hw)                         [ OK ]
# TEST: mirred egress matchall mirror (skip_hw)                       [ OK ]
[ 1224.867015] tc (3601) used greatest stack depth: 11648 bytes left
[ 1227.070998] ping (3721) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
# [ 1228.742337] 
[ 1228.742470] ============================================
[ 1228.742767] WARNING: possible recursive locking detected
[ 1228.743046] 6.8.0-rc4-virtme #1 Not tainted
[ 1228.743289] --------------------------------------------
[ 1228.743563] ncat/3844 is trying to acquire lock:
[ 1228.743835] ffff9d7dc2af81d8 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1228.744277] 
[ 1228.744277] but task is already holding lock:
[ 1228.744584] ffff9d7dc2af8dd8 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1228.745026] 
[ 1228.745026] other info that might help us debug this:
[ 1228.745356]  Possible unsafe locking scenario:
[ 1228.745356] 
[ 1228.745698]        CPU0
[ 1228.745833]        ----
[ 1228.745964]   lock(slock-AF_INET/1);
[ 1228.746180]   lock(slock-AF_INET/1);
[ 1228.746380] 
[ 1228.746380]  *** DEADLOCK ***
[ 1228.746380] 
[ 1228.746718]  May be due to missing lock nesting notation
[ 1228.746718] 
[ 1228.747076] 8 locks held by ncat/3844:
[ 1228.747309]  #0: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x76/0x260
[ 1228.747782]  #1: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1228.748262]  #2: ffff9d7dc2af8dd8 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdb5/0xef0
[ 1228.748724]  #3: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 1228.749174]  #4: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 1228.749663]  #5: ffffffffa0767880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 1228.750133]  #6: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 1228.750601]  #7: ffffffffa07678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1228.751120] 
[ 1228.751120] stack backtrace:
[ 1228.751359] CPU: 2 PID: 3844 Comm: ncat Not tainted 6.8.0-rc4-virtme #1
[ 1228.751736] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1228.752335] Call Trace:
[ 1228.752502]  <IRQ>
[ 1228.752642]  dump_stack_lvl+0x4b/0x80
[ 1228.752871]  __lock_acquire+0x1215/0x1750
[ 1228.753091]  ? sk_filter_trim_cap+0x53/0x360
[ 1228.753348]  lock_acquire+0xc1/0x2b0
[ 1228.753572]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1228.753796]  ? sk_filter_trim_cap+0x11a/0x360
[ 1228.754031]  _raw_spin_lock_nested+0x2e/0x40
[ 1228.754276]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1228.754478]  tcp_v4_rcv+0xdb5/0xef0
[ 1228.754670]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1228.754922]  ip_local_deliver_finish+0xaf/0x180
[ 1228.755165]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1228.755463]  netif_receive_skb+0x87/0x2c0
[ 1228.755699]  tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 1228.755996]  tcf_mirred_act+
DETECTED CRASH, lowering timeout
0xee/0x560 [act_mirred]
[ 1228.756260]  ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 1228.756560]  tcf_action_exec+0xac/0x230
[ 1228.756765]  fl_classify+0x20e/0x260 [cls_flower]
[ 1228.757044]  ? __bfs+0xf3/0x240
[ 1228.757234]  ? check_irq_usage+0x19c/0xc40
[ 1228.757474]  ? __skb_flow_dissect+0xc9/0x2d60
[ 1228.757709]  ? check_path.constprop.0+0x24/0x50
[ 1228.757979]  ? check_noncircular+0x81/0x150
[ 1228.758220]  ? __skb_flow_dissect+0x2fb/0x2d60
[ 1228.758484]  ? __lock_acquire+0xa6e/0x1750
[ 1228.758720]  tcf_classify+0x17a/0x540
[ 1228.758921]  tc_run+0x9f/0x150
[ 1228.759092]  __dev_queue_xmit+0x311/0x1180
[ 1228.759328]  ? mark_held_locks+0x49/0x80
[ 1228.759533]  ? eth_header+0x2a/0xc0
[ 1228.759740]  ip_finish_output2+0x22d/0xa20
[ 1228.759956]  ? ip_skb_dst_mtu+0x51/0x1c0
[ 1228.760195]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1228.760427]  __ip_queue_xmit+0x1d5/0x6f0
[ 1228.760658]  __tcp_transmit_skb+0xb66/0xd30
[ 1228.760902]  ? __alloc_skb+0xdc/0x1a0
[ 1228.761103]  tcp_rcv_state_process+0x4e9/0x11f0
[ 1228.761343]  ? tcp_v4_rcv+0xdb5/0xef0
[ 1228.761565]  ? tcp_v4_do_rcv+0x64/0x360
[ 1228.761793]  tcp_v4_do_rcv+0x64/0x360
[ 1228.761988]  tcp_v4_rcv+0xe4f/0xef0
[ 1228.762192]  ? process_backlog+0x76/0x260
[ 1228.762402]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1228.762659]  ip_local_deliver_finish+0xaf/0x180
[ 1228.762927]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1228.763182]  process_backlog+0x83/0x260
[ 1228.763407]  __napi_poll.constprop.0+0x27/0x1e0
[ 1228.763658]  net_rx_action+0x2c8/0x350
[ 1228.763874]  __do_softirq+0xc8/0x37a
[ 1228.764062]  ? tcp_recvmsg+0x80/0x200
[ 1228.764273]  do_softirq+0x4d/0x90
[ 1228.764480]  </IRQ>
[ 1228.764606]  <TASK>
[ 1228.764759]  __local_bh_enable_ip+0xbf/0xe0
[ 1228.764983]  tcp_recvmsg+0x80/0x200
[ 1228.765206]  inet_recvmsg+0x70/0x260
[ 1228.765443]  __sys_recvfrom+0x168/0x1a0
[ 1228.765651]  ? do_pselect.constprop.0+0xde/0x170
[ 1228.765921]  ? task_mm_cid_work+0x18b/0x3c0
[ 1228.766145]  ? restore_fpregs_from_fpstate+0x47/0xd0
[ 1228.766429]  __x64_sys_recvfrom+0x24/0x30
[ 1228.766649]  do_syscall_64+0xc9/0x1e0
[ 1228.766873]  entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 1228.767144] RIP: 0033:0x7f6133a4d4c0
[ 1228.767367] 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
[ 1228.768334] RSP: 002b:00007fff279a4db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002d
[ 1228.768736] RAX: ffffffffffffffda RBX: 0000564f8a32aa20 RCX: 00007f6133a4d4c0
[ 1228.769137] RDX: 0000000000002000 RSI: 00007fff279a4e40 RDI: 0000000000000008
[ 1228.769514] RBP: 00007fff279a4e40 R08: 0000000000000000 R09: 0000000000000000
[ 1228.769880] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
[ 1228.770253] R13: 0000564f8a32aa20 R14: 0000000000000000 R15: 00007fff279a4e3c
[ 1228.770658]  </TASK>
[ 1256.331983] ncat (3845) used greatest stack depth: 10680 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__->