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 ]
[ 877.853203] tc (3790) used greatest stack depth: 11576 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 ]
[ 883.597514] ping (4311) used greatest stack depth: 11512 bytes left
# TEST: mirred_egress_to_ingress (skip_hw) [ OK ]
[ 884.883154]
[ 884.883281] ============================================
[ 884.883573] WARNING: possible recursive locking detected
[ 884.883862] 6.8.0-rc2-virtme #1 Not tainted
[ 884.884090] --------------------------------------------
[ 884.884420] ncat/4452 is trying to acquire lock:
[ 884.884672] ffff9d54c57000b0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 884.885112]
[ 884.885112] but task is already holding lock:
[ 884.885460] ffff9d54c5700cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 884.885880]
[ 884.885880] other info that might help us debug this:
[ 884.886230] Possible unsafe locking scenario:
[ 884.886230]
[ 884.886573] CPU0
[ 884.886710] ----
[ 884.886847] lock(slock-AF_INET/1);
[ 884.887042] lock(slock-AF_INET/1);
[ 884.887239]
[ 884.887239] *** DEADLOCK ***
[ 884.887239]
[ 884.887553] May be due to missing lock nesting notation
[ 884.887553]
[ 884.887946] 8 locks held by ncat/4452:
[ 884.888148] #0: ffffffff995678c0 (rcu_read_lock){....}-{1:2}, at: process_backlog+0x6f/0x260
[ 884.888608] #1: ffffffff995678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 884.889133] #2: ffff9d54c5700cb0 (slock-AF_INET/1){+.-.}-{2:2}, at: tcp_v4_rcv+0xdba/0xf00
[ 884.889581] #3: ffffffff995678c0 (rcu_read_lock){....}-{1:2}, at: __ip_queue_xmit+0x3f/0x6f0
[ 884.890071] #4: ffffffff995678c0 (rcu_read_lock){....}-{1:2}, at: ip_finish_output2+0xc6/0xa20
[ 884.890538] #5: ffffffff99567880 (rcu_read_lock_bh){....}-{1:2}, at: __dev_queue_xmit+0x6e/0x1180
[ 884.891022] #6: ffffffff995678c0 (rcu_read_lock){....}-{1:2}, at: netif_receive_skb+0x58/0x2c0
[ 884.891510] #7: ffffffff995678c0 (rcu_read_lock){....}-{1:2}, at: ip_local_deliver_finish+0x6f/0x180
[ 884.891998]
[ 884.891998] stack backtrace:
[ 884.892265] CPU: 1 PID: 4452 Comm: ncat Not tainted 6.8.0-rc2-virtme #1
[ 884.892626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 884.893236] Call Trace:
[ 884.893408]
[ 884.893527] dump_stack_lvl+0x4b/0x80
[ 884.893732] __lock_acquire+0x1215/0x1750
[ 884.893954] ? sk_filter_trim_cap+0x53/0x360
[ 884.894193] lock_acquire+0xc1/0x2b0
[ 884.894395] ? tcp_v4_rcv+0xdba/0xf00
[ 884.894624] ? sk_filter_trim_cap+0x11a/0x360
[ 884.895020] _raw_spin_lock_nested+0x2e/0x40
[ 884.895255] ? tcp_v4_rcv+0xdba/0xf00
[ 884.895459] tcp_v4_rcv+0xdba/0xf00
[ 884.895689] ip_protocol_deliver_rcu+0x4b/0x1e0
[ 884.895942] ip_local_deliver_finish+0xaf/0x180
[ 884.896194] __netif_receive_skb_one_core+0x8b/0xa0
[ 884.896466] netif_receive_skb+0x87/0x2c0
[ 884.896722] tcf_mirred_to_dev+0x1f6/0x410 [act_mirred]
[ 884.897014] tcf_mirred_act+0xee/0x560 [act_mirred]
[ 884.897285] ? tcf_skbedit_act+0x1d6/0x410 [act_skbedit]
[ 884.897575] tcf_action_exec+0xaf/0x230
[ 884.897797] fl_classify+0x20e/0x260 [cls_flower]
[ 884.898080] ? __pfx_usage_match+0x10/0x10
[ 884.898304] ? __bfs+0xf6/0x240
[ 884.898481] ? check_irq_usage+0x19c/0xc40
[ 884.898705] ? lock_acquire+0xc1/0x2b0
[ 884.898921] ? __skb_flow_dissect+0xc9/0x2d60
[ 884.899180] ? check_path.constprop.0+0x24/0x50
[ 884.899426] ? check_noncircular+0x81/0x150
[ 884.899652] ? __lock_acquire+0xa6e/0x1750
[ 884.899876] tcf_classify+0x17d/0x540
[ 884.900110] tc_run+0x9f/0x150
[ 884.900286] __dev_queue_xmit+0x311/0x1180
[ 884.900508] ? mark_held_locks+0x49/0x80
[ 884.900722] ? eth_header+0x2a/0xc0
[ 884.900915] ip_finish_output2+0x230/0xa20
[ 884.901138] ? ip_skb_dst_mtu+0x51/0x1c0
[ 884.901383] ? __ip_queue_xmit+0x1d5/0x6f0
[ 884.901606] __ip_queue_xmit+0x1d5/0x6f0
[ 884.901821] __tcp_transmit_skb+0xb65/0xd30
[ 884.902051] ? __alloc_skb+0xdc/0x1a0
[ 884.902251] tcp_rcv_state_process+0x4fb/0x1230
[ 884.902527] ? lock_acquire+0xc1/0x2b0
[ 884.902734] ? tcp_v4_rcv+0xdba/0xf00
[ 884.902938] ? tcp_v4_do_rcv+0x85/0x3a0
[ 884.903147] tcp_v4_do_rcv+0x85/0x3a0
[ 884.903351] tcp_v4_rcv+0xe54/0xf00
[ 884.903576] ? process_backlog+0x6f/0x260
[ 884.903794] ip_protocol_deliver_rcu+0x4b/0x1e0
[ 884.904042] ip_local_deliver_finish+0xaf/0x180
[ 884.904291] __netif_receive_skb_one_core+0x8b/0xa0
[ 884.904578] process_backlog+0x7c/0x260
[ 884.904807] __napi_poll.constprop.0+0x2a/0x1e0
[ 884.905051] net_rx_action+0x2be/0x340
[ 884.905255] __do_softirq+0xcb/0x37a
[ 884.905457] ? inet_shutdown+0xa8/0x100
[ 884.905678] do_softirq+0x4d/0x90
[ 884.905885]
[ 884.906005]
[ 884.906124] __local_bh_enable_ip+0xbf/0xe0
[ 884.906351] inet_shutdown+0xa8/0x100
[ 884.906552] __sys_shutdown+0x48/0x90
[ 884.906757] __x64_sys_shutdown+0x14/0x20
[ 884.907008] do_syscall_64+0xcc/0x1e0
[ 884.907210] entry_SYSCALL_64_after_hwframe+0x6f/0x77
[ 884.907482] RIP: 0033:0x7f8ee1638beb
[ 884.907682] Code: 73 01 c3 48 8b 0d 15 92 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 30 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e5 91 1b 00 f7 d8 64 89 01 48
[ 884.908694] RSP: 002b:00007ffeb382cdb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000030
[ 884.909129] RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00007f8ee1638beb
[ 884.909514] RDX: 000055fbec27e420 RSI: 0000000000000001 RDI: 0000000000000008
[ 884.909894] RBP: 0000000000000008 R08: 0000000000000000 R09: 0000000000000000
[ 884.910302] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008
[ 884.910690] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
[ 884.911076]
# [ 925.579444] ncat (4453) 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__->