# skmem:(r0,rb131072,t0,tb50176,f3856,w41200,o0,bl0,d0) subflows_max:2 remote_key token:ce351f47 write_seq:6234356922367625419 snd_una:6234356922367584459 rcv_nxt:16410429049662723913 bytes_sent:57344 bytes_received:1024 bytes_acked:16384 last_data_sent:61197 last_data_recv:61199 last_ack_recv:61197 # TcpActiveOpens 1 0.0 # TcpEstabResets 1 0.0 # TcpInSegs 14 0.0 # TcpOutSegs 47 0.0 # TcpOutRsts 1 0.0 # TcpExtTCPPureAcks 9 0.0 # TcpExtTCPFromZeroWindowAdv 9 0.0 # TcpExtTCPOrigDataSent 43 0.0 # TcpExtTCPDelivered 33 0.0 # MPTcpExtMPCapableSYNTX 1 0.0 # MPTcpExtMPCapableSYNACKRX 1 0.0 # MPTcpExtMPFastcloseRx 1 0.0 # MPTcpExtMPRstRx 1 0.0 # MPTcpExtSndWndShared 2 0.0 # ./mptcp_join.sh: line 1106: kill: (23466) - No such process # [FAIL] client exit code 143, server 0 # Server ns stats (ns2-21kpZY) # TcpPassiveOpens 1 # TcpEstabResets 1 # TcpInSegs 14 # TcpOutSegs 14 # TcpOutRsts 1 # TcpExtTCPPureAcks 2 # TcpExtTCPFromZeroWindowAdv 3 # TcpExtTCPOrigDataSent 2 # TcpExtTCPDelivered 2 # MPTcpExtMPCapableSYNRX 1 # MPTcpExtMPCapableACKRX 1 # MPTcpExtMPFastcloseTx 1 # MPTcpExtMPRstTx 1 # MPTcpExtSndWndShared 1 # # Client ns stats (ns2-21kpZY) # TcpActiveOpens 1 # TcpEstabResets 1 # TcpInSegs 14 # TcpOutSegs 47 # TcpOutRsts 1 # TcpExtTCPPureAcks 9 # TcpExtTCPFromZeroWindowAdv 9 # TcpExtTCPOrigDataSent 43 # TcpExtTCPDelivered 33 # MPTcpExtMPCapableSYNTX 1 # MPTcpExtMPCapableSYNACKRX 1 # MPTcpExtMPFastcloseRx 1 # MPTcpExtMPRstRx 1 # MPTcpExtSndWndShared 2 # # # netns ns1-RQ8voe (listener) socket stat for 10122: # Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port # TcpPassiveOpens 1 # TcpEstabResets 1 # TcpInSegs 14 # TcpOutSegs 14 # TcpOutRsts 1 # TcpExtTCPPureAcks 2 # TcpExtTCPFromZeroWindowAdv 3 # TcpExtTCPOrigDataSent 2 # TcpExtTCPDelivered 2 # MPTcpExtMPCapableSYNRX 1 # MPTcpExtMPCapableACKRX 1 # MPTcpExtMPFastcloseTx 1 # MPTcpExtMPRstTx 1 # MPTcpExtSndWndShared 1 # # netns ns2-21kpZY (connector) socket stat for 10122: # Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port # TcpActiveOpens 1 # TcpEstabResets 1 # TcpInSegs 14 # TcpOutSegs 47 # TcpOutRsts 1 # TcpExtTCPPureAcks 9 # TcpExtTCPFromZeroWindowAdv 9 # TcpExtTCPOrigDataSent 43 # TcpExtTCPDelivered 33 # MPTcpExtMPCapableSYNTX 1 # MPTcpExtMPCapableSYNACKRX 1 # MPTcpExtMPFastcloseRx 1 # MPTcpExtMPRstRx 1 # MPTcpExtSndWndShared 2 # join Rx [ OK ] # join Tx [ OK ] # fast close tx server [ OK ] # fast close rx client [ OK ] # reset tx server [ OK ] # reset rx client [ OK ] # 124 Infinite map # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # Info: file received by server has inverted byte at 169 # Info: 2 corrupted pkts # join Rx [ OK ] # join Tx [ OK ] # checksum server [ OK ] # checksum client [ OK ] # fail tx server [ OK ] # fail rx client [ OK ] # reset tx server [ OK ] # reset rx client [ OK ] # infi tx client [ OK ] # infi rx server [ OK ] # fail tx client [ OK ] # fail rx server [ OK ] # 125 MP_FAIL MP_RST # Info: Test file (size 1024 KB) for client # Info: Test file (size 1024 KB) for server # Info: 5 corrupted pkts # join Rx [ OK ] # join Tx [ OK ] # checksum server [ OK ] # checksum client [ OK ] # fail tx server [ OK ] # fail rx client [ OK ] # reset tx server [ OK ] # reset rx client [ OK ] # infi tx client [ OK ] # infi rx server [ OK ] # 126 userspace pm type prevents add_addr # join Rx [ OK ] # join Tx [ OK ] # add addr rx [ OK ] # add addr echo rx [ OK ] # 127 userspace pm no echo w/o daemon # join Rx [ OK ] # join Tx [ OK ] # add addr rx [ OK ] # add addr echo rx [ OK ] # 128 userspace pm type rejects join # join Rx [ OK ] # join Tx [ OK ] # 129 userspace pm type does not send join # join Rx [ OK ] # join Tx [ OK ] # 130 userspace pm type prevents mp_prio # join Rx [ OK ] # join Tx [ OK ] # mp_prio tx server [ OK ] # mp_prio rx client [ OK ] # syn backup [ OK ] # synack backup [ OK ] # 131 userspace pm type prevents rm_addr # join Rx [ OK ] # join Tx [ OK ] # rm addr rx server [ OK ] # rm subflow client [ OK ] # 132 userspace pm add & remove address # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # join Rx [ OK ] # join Tx [ OK ] # add addr rx [ OK ] # add addr echo rx [ OK ] # mptcp_info subflows=2:2 [ OK ] # mptcp_info subflows_total=3:3 [ OK ] # mptcp_info add_addr_signal=2:2 [ OK ] # dump addrs signal [ OK ] # get id 10 addr [ OK ] # get id 20 addr [ OK ] # dump addrs after rm_sf 10 [ OK ] # dump addrs after rm_addr 20 [ OK ] # rm addr rx client [ OK ] # rm subflow server [ OK ] # mptcp_info subflows=0:0 [ OK ] # mptcp_info subflows_total=1:1 [ OK ] # 133 userspace pm create destroy subflow # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # join Rx [ OK ] # join Tx [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info subflows_total=2:2 [ OK ] # dump addrs subflow [ OK ] # get id 20 addr [ OK ] # dump addrs after rm_sf 20 [ OK ] # rm addr rx server [ OK ] # rm subflow client [ OK ] # mptcp_info subflows=0:0 [ OK ] # mptcp_info subflows_total=1:1 [ OK ] # mptcp_info subflows=0:0 [ OK ] # mptcp_info subflows_total=1:1 [ OK ] # 134 userspace pm create id 0 subflow # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # mptcp_info subflows=0:0 [ OK ] # mptcp_info subflows_total=1:1 [ OK ] # dump addrs id 0 subflow [ OK ] # join Rx [ OK ] # join Tx [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info subflows_total=2:2 [ OK ] # 135 userspace pm remove initial subflow # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # join Rx [ OK ] # join Tx [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info subflows_total=2:2 [ OK ] # rm addr rx server [ OK ] # rm subflow client [ OK ] # reset tx client [ OK ] # reset rx server [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info subflows_total=1:1 [ OK ] # 136 userspace pm send RM_ADDR for ID 0 # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # join Rx [ OK ] # join Tx [ OK ] # add addr rx [ OK ] # add addr echo rx [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info subflows_total=2:2 [ OK ] # mptcp_info add_addr_signal=1:1 [ OK ] # rm addr rx client [ OK ] # rm subflow server [ OK ] # reset tx client [ OK ] # reset rx server [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info subflows_total=1:1 [ OK ] # 137 userspace pm no dup close events after error # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # mptcp_info subflows=1:1 [ OK ] # mptcp_info subflows_total=2:2 [ OK ] # mptcp_info subflows_total=1:1 [ OK ] # event ns2 SUB_CLOSED (2, error: 2) [ OK ] # 138 implicit EP # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # creation [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info add_addr_signal=1:1 [ OK ] # ID change is prevented [ OK ] # modif is allowed [ OK ] # 139 delete and re-add # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # creation [ OK ] # before delete id 2 [ OK ] # mptcp_info subflows=1:1 [ OK ] # after delete id 2 [ OK ] # mptcp_info subflows=0:0 [ OK ] # after re-add id 2 [ OK ] # mptcp_info subflows=1:1 [ OK ] # after new reject [ OK ] # mptcp_info subflows=1:1 [ OK ] # after no reject [ OK ] # mptcp_info subflows=2:2 [ OK ] # after delete id 0 (1) [ OK ] # mptcp_info subflows=2:2 [ OK ] # after re-add id 0 (1) [ OK ] # mptcp_info subflows=3:3 [ OK ] # after delete id 0 (2) [ OK ] # mptcp_info subflows=2:2 [ OK ] # after re-add id 0 (2) [ OK ] # mptcp_info subflows=3:3 [ OK ] # after delete id 0 (3) [ OK ] # mptcp_info subflows=2:2 [ OK ] # after re-add id 0 (3) [ OK ] # mptcp_info subflows=3:3 [ OK ] # event ns1 LISTENER_CREATED (1) [ OK ] # event ns1 CREATED (1) [ OK ] # event ns1 ESTABLISHED (1) [ OK ] # event ns1 ANNOUNCED (0) [ OK ] # event ns1 REMOVED (4) [ OK ] # event ns1 SUB_ESTABLISHED (6) [ OK ] # event ns1 SUB_CLOSED (4) [ OK ] # event ns2 CREATED (1) [ OK ] # event ns2 ESTABLISHED (1) [ OK ] # event ns2 ANNOUNCED (0) [ OK ] # event ns2 REMOVED (0) [ OK ] # event ns2 SUB_ESTABLISHED (6) [ OK ] # event ns2 SUB_CLOSED (5) [ OK ] # join Rx [ OK ] # join Tx [ OK ] # rm addr rx server [ OK ] # rm subflow client [ OK ] # 140 delete re-add signal # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # creation [ OK ] # before delete [ OK ] # mptcp_info subflows=1:1 [ OK ] # mptcp_info add_addr_signal=2:1 [ OK ] # after delete [ OK ] # mptcp_info subflows=0:0 [ OK ] # mptcp_info add_addr_signal=0:0 [ OK ] # after re-add [ OK ] # mptcp_info subflows=2:2 [ OK ] # mptcp_info add_addr_signal=2:2 [ OK ] # after delete ID 0 [ OK ] # mptcp_info subflows=2:2 [ OK ] # mptcp_info add_addr_signal=2:2 [ OK ] # after re-add ID 0 [ OK ] # mptcp_info subflows=3:3 [ OK ] # mptcp_info add_addr_signal=3:2 [ OK ] # after re-delete ID 0 [ OK ] # mptcp_info subflows=2:2 [ OK ] # mptcp_info add_addr_signal=2:2 [ OK ] # after re-re-add ID 0 [ OK ] # mptcp_info subflows=3:3 [ OK ] # mptcp_info add_addr_signal=3:2 [ OK ] # event ns1 LISTENER_CREATED (1) [ OK ] # event ns1 CREATED (1) [ OK ] # event ns1 ESTABLISHED (1) [ OK ] # event ns1 ANNOUNCED (0) [ OK ] # event ns1 REMOVED (0) [ OK ] # event ns1 SUB_ESTABLISHED (5) [ OK ] # event ns1 SUB_CLOSED (3) [ OK ] # event ns2 CREATED (1) [ OK ] # event ns2 ESTABLISHED (1) [ OK ] # event ns2 ANNOUNCED (6) [ OK ] # event ns2 REMOVED (4) [ OK ] # event ns2 SUB_ESTABLISHED (5) [ OK ] # event ns2 SUB_CLOSED (3) [ OK ] # join Rx [ OK ] # join Tx [ OK ] # add addr rx [ OK ] # add addr echo rx [ OK ] # rm addr rx client [ OK ] # rm subflow server [ OK ] # 141 flush re-add # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # before flush [ OK ] # mptcp_info subflows=0:0 [ OK ] # join Rx [ OK ] # join Tx [ OK ] # add addr rx [ OK ] # add addr echo rx [ OK ] # rm addr rx client [ OK ] # rm subflow server [ OK ] # # 1 failure(s) has(ve) been detected: # - 123: fastclose server test # # # TAP version 13 # 1..141 # ok 1 - mptcp_join: no JOIN # time=3429ms # ok 2 - mptcp_join: single subflow, limited by client # time=3635ms # ok 3 - mptcp_join: single subflow, limited by server # time=3711ms # ok 4 - mptcp_join: single subflow # time=3663ms # ok 5 - mptcp_join: multiple subflows # time=3814ms # ok 6 - mptcp_join: multiple subflows, limited by server # time=3737ms # ok 7 - mptcp_join: single subflow, dev # time=3669ms # ok 8 - mptcp_join: no MPC reuse with single endpoint # time=8687ms # ok 9 - mptcp_join: multi subflows, with failing subflow # time=9045ms # ok 10 - mptcp_join: multi subflows, with subflow timeout # time=8752ms # ok 11 - mptcp_join: multi subflows, fair usage on close # time=8780ms # ok 12 - mptcp_join: unused signal address # time=3741ms # ok 13 - mptcp_join: signal address # time=3784ms # ok 14 - mptcp_join: subflow and signal # time=3824ms # ok 15 - mptcp_join: subflow and signal together # time=4098ms # ok 16 - mptcp_join: multiple subflows and signal # time=3890ms # ok 17 - mptcp_join: signal addresses # time=8840ms # ok 18 - mptcp_join: signal invalid addresses # time=8815ms # ok 19 - mptcp_join: signal addresses race test # time=9135ms # ok 20 - mptcp_join: signal address, TCP-only listener on client # time=3711ms # ok 21 - mptcp_join: without a laminar endpoint # time=3854ms # ok 22 - mptcp_join: with a laminar endpoint # time=3947ms # ok 23 - mptcp_join: with multiple laminar endpoints # time=3980ms # ok 24 - mptcp_join: single laminar endpoint # time=3915ms # ok 25 - mptcp_join: sublow + laminar endpoints # time=3917ms # ok 26 - mptcp_join: multiple flows, signal, link failure # time=11154ms # ok 27 - mptcp_join: multi flows, signal, bidi, link fail # time=12363ms # ok 28 - mptcp_join: backup subflow unused, link failure # time=17472ms # ok 29 - mptcp_join: backup flow used, multi links fail # time=17358ms # ok 30 - mptcp_join: backup flow used, bidi, link failure # time=22871ms # ok 31 - mptcp_join: signal address, ADD_ADDR timeout # time=9410ms # ok 32 - mptcp_join: signal address, ADD_ADDR6 timeout # time=9350ms # ok 33 - mptcp_join: signal addresses, ADD_ADDR timeout # time=26140ms # ok 34 - mptcp_join: invalid address, ADD_ADDR timeout # time=26343ms # ok 35 - mptcp_join: remove single subflow # time=9176ms # ok 36 - mptcp_join: remove multiple subflows # time=9087ms # ok 37 - mptcp_join: remove single address # time=9142ms # ok 38 - mptcp_join: remove subflow and signal # time=9213ms # ok 39 - mptcp_join: remove subflows and signal # time=26044ms # ok 40 - mptcp_join: remove signal+subflow with limits # time=9133ms # ok 41 - mptcp_join: remove addresses # time=26136ms # ok 42 - mptcp_join: remove invalid addresses # time=26131ms # ok 43 - mptcp_join: flush subflows and signal # time=9280ms # ok 44 - mptcp_join: flush subflows # time=9157ms # ok 45 - mptcp_join: flush addresses # time=9324ms # ok 46 - mptcp_join: flush invalid addresses # time=9291ms # ok 47 - mptcp_join: remove id 0 subflow # time=9084ms # ok 48 - mptcp_join: remove id 0 address # time=9451ms # ok 49 - mptcp_join: add single subflow # time=8991ms # ok 50 - mptcp_join: add signal address # time=9127ms # ok 51 - mptcp_join: add multiple subflows # time=8963ms # ok 52 - mptcp_join: add multiple subflows IPv6 # time=8957ms # ok 53 - mptcp_join: add multiple addresses IPv6 # time=9178ms # ok 54 - mptcp_join: single subflow IPv6 # time=9042ms # ok 55 - mptcp_join: unused signal address IPv6 # time=9137ms # ok 56 - mptcp_join: single address IPv6 # time=9146ms # ok 57 - mptcp_join: remove single address IPv6 # time=9316ms # ok 58 - mptcp_join: remove subflow and signal IPv6 # time=9209ms # ok 59 - mptcp_join: single subflow IPv4-mapped # time=3947ms # ok 60 - mptcp_join: signal address IPv4-mapped # time=4095ms # ok 61 - mptcp_join: single subflow v4-map-v6 # time=3977ms # ok 62 - mptcp_join: signal address v4-map-v6 # time=4132ms # ok 63 - mptcp_join: single subflow v6-map-v4 # time=4009ms # ok 64 - mptcp_join: signal address v6-map-v4 # time=4156ms # ok 65 - mptcp_join: no JOIN with diff families v4-v6 # time=4008ms # ok 66 - mptcp_join: no JOIN with diff families v4-v6-2 # time=4068ms # ok 67 - mptcp_join: no JOIN with diff families v6-v4 # time=3974ms # ok 68 - mptcp_join: IPv4 sockets do not use IPv6 addresses # time=9158ms # ok 69 - mptcp_join: simult IPv4 and IPv6 subflows # time=9199ms # ok 70 - mptcp_join: simult IPv4 and IPv6 subflows, fullmesh 1x1 # time=9578ms # ok 71 - mptcp_join: simult IPv4 and IPv6 subflows, fullmesh 2x2 # time=9643ms # ok 72 - mptcp_join: single subflow, backup # time=9781ms # ok 73 - mptcp_join: single address, backup # time=9776ms # ok 74 - mptcp_join: single address, switch to backup # time=9552ms # ok 75 - mptcp_join: single address with port, backup # time=9782ms # ok 76 - mptcp_join: mpc backup # time=10297ms # ok 77 - mptcp_join: mpc backup both sides # time=10429ms # ok 78 - mptcp_join: mpc switch to backup # time=10128ms # ok 79 - mptcp_join: mpc switch to backup both sides # time=10131ms # ok 80 - mptcp_join: signal address with port # time=5345ms # ok 81 - mptcp_join: signal address v6 with port # time=4393ms # ok 82 - mptcp_join: subflow and signal with port # time=4281ms # ok 83 - mptcp_join: remove single address with port # time=9624ms # ok 84 - mptcp_join: remove subflow and signal with port # time=9386ms # ok 85 - mptcp_join: flush subflows and signal with port # time=9199ms # ok 86 - mptcp_join: multiple addresses with port # time=4208ms # ok 87 - mptcp_join: multiple addresses with ports # time=4209ms # ok 88 - mptcp_join: port-based signal endpoint must not accept mpc # time=2382ms # ok 89 - mptcp_join: signal addr list progresses after tx drop # time=3390ms # ok 90 - mptcp_join: bind main address v4, no join v4 # time=4151ms # ok 91 - mptcp_join: bind main address v6, no join v6 # time=4101ms # ok 92 - mptcp_join: multiple bind to allow joins v4 # time=4348ms # ok 93 - mptcp_join: multiple bind to allow joins v6 # time=4173ms # ok 94 - mptcp_join: multiple bind to allow joins v6 link-local routing # time=6994ms # ok 95 - mptcp_join: multiple bind to allow joins v6 link-local laminar # time=5958ms # ok 96 - mptcp_join: single subflow with syn cookies # time=4045ms # ok 97 - mptcp_join: multiple subflows with syn cookies # time=4070ms # ok 98 - mptcp_join: subflows limited by server w cookies # time=3995ms # ok 99 - mptcp_join: signal address with syn cookies # time=4260ms # ok 100 - mptcp_join: subflow and signal w cookies # time=4134ms # ok 101 - mptcp_join: subflows and signal w. cookies # time=4608ms # ok 102 - mptcp_join: checksum test 0 0 # time=4340ms # ok 103 - mptcp_join: checksum test 1 1 # time=4197ms # ok 104 - mptcp_join: checksum test 0 1 # time=4534ms # ok 105 - mptcp_join: checksum test 1 0 # time=4255ms # ok 106 - mptcp_join: single subflow allow join id0 ns1 # time=4021ms # ok 107 - mptcp_join: single subflow allow join id0 ns2 # time=3955ms # ok 108 - mptcp_join: signal address allow join id0 ns1 # time=4222ms # ok 109 - mptcp_join: signal address allow join id0 ns2 # time=4039ms # ok 110 - mptcp_join: subflow and address allow join id0 1 # time=4054ms # ok 111 - mptcp_join: subflow and address allow join id0 2 # time=3957ms # ok 112 - mptcp_join: default limits, server deny join id 0 # time=3974ms # ok 113 - mptcp_join: fullmesh test 2x1 # time=8991ms # ok 114 - mptcp_join: fullmesh test 1x1 # time=9068ms # ok 115 - mptcp_join: fullmesh test 1x2 # time=8970ms # ok 116 - mptcp_join: fullmesh test 1x2, limited # time=8949ms # ok 117 - mptcp_join: set fullmesh flag test # time=8871ms # ok 118 - mptcp_join: set nofullmesh flag test # time=8896ms # ok 119 - mptcp_join: set backup,fullmesh flags test # time=9017ms # ok 120 - mptcp_join: set nobackup,nofullmesh flags test # time=8973ms # ok 121 - mptcp_join: fullmesh 8x8 # time=10516ms # ok 122 - mptcp_join: fastclose test # time=4152ms # not ok 123 - mptcp_join: fastclose server test # time=65286ms # ok 124 - mptcp_join: Infinite map # time=4343ms # ok 125 - mptcp_join: MP_FAIL MP_RST # time=13676ms # ok 126 - mptcp_join: userspace pm type prevents add_addr # time=3847ms # ok 127 - mptcp_join: userspace pm no echo w/o daemon # time=3832ms # ok 128 - mptcp_join: userspace pm type rejects join # time=3748ms # ok 129 - mptcp_join: userspace pm type does not send join # time=3813ms # ok 130 - mptcp_join: userspace pm type prevents mp_prio # time=8849ms # ok 131 - mptcp_join: userspace pm type prevents rm_addr # time=8848ms # ok 132 - mptcp_join: userspace pm add & remove address # time=8986ms # ok 133 - mptcp_join: userspace pm create destroy subflow # time=6658ms # ok 134 - mptcp_join: userspace pm create id 0 subflow # time=5449ms # ok 135 - mptcp_join: userspace pm remove initial subflow # time=6183ms # ok 136 - mptcp_join: userspace pm send RM_ADDR for ID 0 # time=8317ms # ok 137 - mptcp_join: userspace pm no dup close events after error # time=3899ms # ok 138 - mptcp_join: implicit EP # time=3168ms # ok 139 - mptcp_join: delete and re-add # time=11366ms # ok 140 - mptcp_join: delete re-add signal # time=9705ms # ok 141 - mptcp_join: flush re-add # time=7295ms not ok 1 selftests: net/mptcp: mptcp_join.sh # exit=1 make: Leaving directory '/srv/vmksft/testing/wt-12/tools/testing/selftests' xx__-> echo $? 0 xx__-> echo scan > /sys/kernel/debug/kmemleak xx__->