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 ]
[ 1145.387644] Mirror/redirect action on
[ 1145.390119] tc (4216) used greatest stack depth: 11904 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 ]
[ 1148.048729] tc (4452) used greatest stack depth: 11552 bytes left
[ 1150.277693] ping (4571) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw)                            [ OK ]
# [ 1154.282314] 
[ 1154.282420] ============================================
[ 1154.282714] WARNING: possible recursive locking detected
[ 1154.282993] 6.8.0-rc2-virtme #1 Not tainted
[ 1154.283209] --------------------------------------------
[ 1154.283501] swapper/1/0 is trying to acquire lock:
[ 1154.283748] ffff9b6c82730cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1154.284162] 
[ 1154.284162] but task is already holding lock:
[ 1154.284460] ffff9b6c827300b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1154.284872] 
[ 1154.284872] other info that might help us debug this:
[ 1154.285200]  Possible unsafe locking scenario:
[ 1154.285200] 
[ 1154.285518]        CPU0
[ 1154.285649]        ----
[ 1154.285796]   lock(slock-AF_INET/1);
[ 1154.285982]   lock(slock-AF_INET/1);
[ 1154.286182] 
[ 1154.286182]  *** DEADLOCK ***
[ 1154.286182] 
[ 1154.286482]  May be due to missing lock nesting notation
[ 1154.286482] 
[ 1154.286839] 8 locks held by swapper/1/0:
[ 1154.287042]  #0: ffffffff891678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x6f/0x260
[ 1154.287486]  #1: ffffffff891678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1154.287981]  #2: ffff9b6c827300b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 1154.288485]  #3: ffffffff891678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 1154.289134]  #4: ffffffff891678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 1154.289782]  #5: ffffffff89167880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 1154.290464]  #6: ffffffff891678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 1154.291126]  #7: ffffffff891678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 1154.291852] 
[ 1154.291852] stack backtrace:
[ 1154.292196] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-rc2-virtme #1
[ 1154.292695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1154.293535] Call Trace:
[ 1154.293723]  <IRQ>
[ 1154.293899]  dump_stack_lvl+0x4b/0x80
[ 1154.294187]  __lock_acquire+0x1215/0x1750
[ 1154.294496]  lock_acquire+0xc1/0x2b0
[ 1154.294771]  ? tcp_v4_rcv+0xdba/0xf00
[ 1154.295060]  ? sk_filter_trim_cap+0x11a/0x360
[ 1154.295395]  _raw_spin_lock_nested+0x2e/0x40
[ 1154.295730]  ? tcp_v4_rcv+0xdba/0xf00
[ 1154.296026]  tcp_v4_rcv+0xdba/0xf00
[ 1154.296286]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1154.296628]  ip_local_deliver_finish+0xaf/0x180
[ 1154.296975]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1154.297336]  netif_receive_skb+0x87/0x2c0
[ 1154.297651]  tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 1154.298063]  tcf_mirred_act+0xee/0x560 [act_mirred]
[ 1154.298396]  ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 1154.298683]  tcf_action_exec+0xac/0x230
[ 1154.298902]  fl_classify+0x20e/0x260 [cls_flower]
[ 1154.299163]  ? __lock_acquire+0xa6e/0x1750
[ 1154.299405]  ? __lock_acquire+0xa6e/0x1750
[ 1154.299635]  ? print_shortest_lock_dependencies_backwards+0xc6/0xd0
[ 1154.299970]  ? find_held_lock+0x2b/0x80
[ 1154.300170]  ? __lock_acquire+0xa6e/0x1750
[ 1154.300402]  ? listening_get_next+0x6e/0xd0
[ 1154.300632]  tcf_classify+0x17a/0x540
[ 1154.300839]  tc_run+0x9f/0x150
[ 1154.301022]  __dev_queue_xmit+0x311/0x1180
[ 1154.301259]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1154.301486]  ip_finish_output2+0x39f/0xa20
[ 1154.301718]  ? __ip_queue_xmit+0x1d5/0x6f0
[ 1154.301944]  __ip_queue_xmit+0x1d5/0x6f0
[ 1154.302147]  __tcp_transmit_skb+0xb65/0xd30
[ 1154.302388]  tcp_write_xmit+0x492/0x1400
[ 1154.302608]  __tcp_push_pending_frames+0x36/0xc0
[ 1154.302865]  tcp_rcv_state_process+0x4db/0x1230
[ 1154.303103]  ? lock_acquire+0xe6/0x2b0
[ 1154.303340]  ? tcp_v4_do_rcv+0x85/0x3a0
[ 1154.303556]  ? lock_is_held_type+0x9f/0x120
[ 1154.303788]  tcp_v4_do_rcv+0x85/0x3a0
[ 1154.303982]  tcp_v4_rcv+0xe54/0xf00
[ 1154.304182]  ? process_backlog+0x6f/0x260
[ 1154.304407]  ip_protocol_deliver_rcu+0x4b/0x1e0
[ 1154.304660]  ip_local_deliver_finish+0xaf/0x180
[ 1154.304909]  __netif_receive_skb_one_core+0x8b/0xa0
[ 1154.305161]  process_backlog+0x7c/0x260
[ 1154.305376]  __napi_poll.constprop.0+0x27/0x1e0
[ 1154.305635]  net_rx_action+0x2be/0x340
[ 1154.305853]  __do_softirq+0xc8/0x37a
[ 1154.306043]  irq_exit_rcu+0x7f/0xa0
[ 1154.306241]  common_interrupt+0x86/0xa0
[ 1154.306457]  </IRQ>
[ 1154.306572]  <TASK>
[ 1154.306704]  asm_common_interrupt+0x26/0x40
[ 1154.306937] RIP: 0010:finish_task_switch.isra.0+0x101/0x330
[ 1154.307223] Code: 89 ff 48 c7 02 00 00 00 00 ff d0 0f 1f 00 48 85 db 75 e2 4c 89 ff e8 7e 50 ca 00 e8 f9 e7 10 00 fb 65 48 8b 04 25 40 ef 02 00 <66> 90 4d 85 ed 74 21 65 48 8b 04 25 40 ef 02 00 4c 3b a8 e8 04 00
[ 1154.308178] RSP: 0018:ffffa97c800a3e28 EFLAGS: 00000206
[ 1154.308449] RAX: ffff9b6c81338000 RBX: 0000000000000000 RCX: 0000000000000000
[ 1154.308828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8778b4c7
[ 1154.309189] RBP: ffffa97c800a3e58 R08: 0000000000000001 R09: 0000000000000001
[ 1154.309568] R10: 0000000000000000 R11: 0000000000000001 R12: ffff9b6c81c90000
[ 1154.309931] R13: 0000000000000000 R14: ffff9b6cbecaf998 R15: ffff9b6cbecaf980
[ 1154.310294]  ? finish_task_switch.isra.0+0xf7/0x330
[ 1154.310563]  ? finish_task_switch.isra.0+0xf7/0x330
[ 1154.310832]  __schedule+0x346/0xc70
[ 1154.311019]  schedule_idle+0x2a/0x40
[ 1154.311226]  do_idle+0x15b/0x220
[ 1154.311413]  ? finish_task_switch.isra.0+0xf7/0x330
[ 1154.311684]  cpu_startup_entry+0x2a/0x30
[ 1154.311905]  start_secondary+0xfc/0x100
[ 1154.312108]  secondary_startup_64_no_verify+0x16d/0x17b
[ 1154.312394]  </TASK>
[ 1200.083065] ncat (4700) used greatest stack depth: 10664 bytes left
[ 1216.798577] ncat (4699) used greatest stack depth: 10040 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__->