make -C tools/testing/selftests TARGETS="net/mptcp" TEST_PROGS=mptcp_conneect.sh TEST_GEN_PROGS="" run_tests make: Entering directory '/home/virtme/testing-12/tools/testing/selftests' make[1]: Entering directory '/home/virtme/testing-12/tools/testing/selftests/net/mptcp' make[1]: Nothing to be done for 'all'. make[1]: Leaving directory '/home/virtme/testing-12/tools/testing/selftests/net/mptcp' make[1]: Entering directory '/home/virtme/testing-12/tools/testing/selftests/net/mptcp' TAP version 13 1..1 # overriding timeout to 3600 # selftests: net/mptcp: mptcp_connect.sh # INFO: set ns3-cPxve1 dev ns3eth2: ethtool -K tso off gro off # INFO: set ns4-dA4ixN dev ns4eth3: ethtool -K tso off gro off # Created /tmp/tmp.hJw2apzpqi (size 6437432 B) containing data sent by client # Created /tmp/tmp.1X4ZQHX2Ir (size 967276 B) containing data sent by server # 01 New MPTCP socket can be blocked via sysctl [ OK ] # 02 Validating network environment with pings [ OK ] # INFO: Using loss of 0.17% delay 25 ms reorder 92% 86% with delay 6ms on ns3eth4 # 03 ns1 MPTCP -> ns1 (10.0.1.1:10000 ) MPTCP (duration 448ms) [ OK ] # 04 ns1 MPTCP -> ns1 (10.0.1.1:10001 ) TCP (duration 383ms) [ OK ] # 05 ns1 TCP -> ns1 (10.0.1.1:10002 ) MPTCP (duration 369ms) [ OK ] # 06 ns1 MPTCP -> ns1 (dead:beef:1::1:10003) MPTCP (duration 446ms) [ OK ] # 07 ns1 MPTCP -> ns1 (dead:beef:1::1:10004) TCP (duration 383ms) [ OK ] # 08 ns1 TCP -> ns1 (dead:beef:1::1:10005) MPTCP (duration 363ms) [ OK ] # 09 ns1 MPTCP -> ns2 (10.0.1.2:10006 ) MPTCP (duration 873ms) [ OK ] # 10 ns1 MPTCP -> ns2 (dead:beef:1::2:10007) MPTCP (duration 855ms) [ OK ] # 11 ns1 MPTCP -> ns2 (10.0.2.1:10008 ) MPTCP (duration 843ms) [ OK ] # 12 ns1 MPTCP -> ns2 (dead:beef:2::1:10009) MPTCP (duration 875ms) [ OK ] # 13 ns1 MPTCP -> ns3 (10.0.2.2:10010 ) MPTCP (duration 845ms) [ OK ] # 14 ns1 MPTCP -> ns3 (dead:beef:2::2:10011) MPTCP (duration 807ms) [ OK ] # 15 ns1 MPTCP -> ns3 (10.0.3.2:10012 ) MPTCP (duration 859ms) [ OK ] # 16 ns1 MPTCP -> ns3 (dead:beef:3::2:10013) MPTCP (duration 720ms) [ OK ] # 17 ns1 MPTCP -> ns4 (10.0.3.1:10014 ) MPTCP (duration 818ms) [ OK ] # 18 ns1 MPTCP -> ns4 (dead:beef:3::1:10015) MPTCP (duration 794ms) [ OK ] # 19 ns2 MPTCP -> ns1 (10.0.1.1:10016 ) MPTCP (duration 857ms) [ OK ] # 20 ns2 MPTCP -> ns1 (dead:beef:1::1:10017) MPTCP (duration 885ms) [ OK ] # 21 ns2 MPTCP -> ns3 (10.0.2.2:10018 ) MPTCP (duration 850ms) [ OK ] # 22 ns2 MPTCP -> ns3 (dead:beef:2::2:10019) MPTCP (duration 882ms) [ OK ] # 23 ns2 MPTCP -> ns3 (10.0.3.2:10020 ) MPTCP (duration 850ms) [ OK ] # 24 ns2 MPTCP -> ns3 (dead:beef:3::2:10021) MPTCP (duration 802ms) [ OK ] # 25 ns2 MPTCP -> ns4 (10.0.3.1:10022 ) MPTCP (duration 788ms) [ OK ] # 26 ns2 MPTCP -> ns4 (dead:beef:3::1:10023) MPTCP (duration 901ms) [ OK ] # 27 ns3 MPTCP -> ns1 (10.0.1.1:10024 ) MPTCP (duration 1956ms) [ OK ] # 28 ns3 MPTCP -> ns1 (dead:beef:1::1:10025) MPTCP (duration 1961ms) [ OK ] # 29 ns3 MPTCP -> ns2 (10.0.1.2:10026 ) MPTCP (duration 1940ms) [ OK ] # 30 ns3 MPTCP -> ns2 (dead:beef:1::2:10027) MPTCP (duration 1905ms) [ OK ] # 31 ns3 MPTCP -> ns2 (10.0.2.1:10028 ) MPTCP (duration 1832ms) [ OK ] # 32 ns3 MPTCP -> ns2 (dead:beef:2::1:10029) MPTCP (duration 1916ms) [ OK ] # 33 ns3 MPTCP -> ns4 (10.0.3.1:10030 ) MPTCP (duration 869ms) [ OK ] # 34 ns3 MPTCP -> ns4 (dead:beef:3::1:10031) MPTCP (duration 910ms) [ OK ] # 35 ns4 MPTCP -> ns1 (10.0.1.1:10032 ) MPTCP (duration 1943ms) [ OK ] # 36 ns4 MPTCP -> ns1 (dead:beef:1::1:10033) MPTCP (duration 2034ms) [ OK ] # 37 ns4 MPTCP -> ns2 (10.0.1.2:10034 ) MPTCP (duration 1918ms) [ OK ] # 38 ns4 MPTCP -> ns2 (dead:beef:1::2:10035) MPTCP (duration 1967ms) [ OK ] # 39 ns4 MPTCP -> ns2 (10.0.2.1:10036 ) MPTCP (duration 1917ms) [ OK ] # 40 ns4 MPTCP -> ns2 (dead:beef:2::1:10037) MPTCP (duration 2002ms) [ OK ] # 41 ns4 MPTCP -> ns3 (10.0.2.2:10038 ) MPTCP (duration 1711ms) [ OK ] # 42 ns4 MPTCP -> ns3 (dead:beef:2::2:10039) MPTCP (duration 1744ms) [ OK ] # 43 ns4 MPTCP -> ns3 (10.0.3.2:10040 ) MPTCP (duration 1732ms) [ OK ] # 44 ns4 MPTCP -> ns3 (dead:beef:3::2:10041) MPTCP (duration 1747ms) [ OK ] # INFO: with peek mode: saveWithPeek # 45 ns1 MPTCP -> ns1 (10.0.1.1:10042 ) MPTCP (duration 446ms) [ OK ] # 46 ns1 MPTCP -> ns1 (10.0.1.1:10043 ) TCP (duration 387ms) [ OK ] # 47 ns1 TCP -> ns1 (10.0.1.1:10044 ) MPTCP (duration 367ms) [ OK ] # 48 ns1 MPTCP -> ns1 (dead:beef:1::1:10045) MPTCP (duration 450ms) [ OK ] # 49 ns1 MPTCP -> ns1 (dead:beef:1::1:10046) TCP (duration 402ms) [ OK ] # 50 ns1 TCP -> ns1 (dead:beef:1::1:10047) MPTCP (duration 365ms) [ OK ] # INFO: with peek mode: saveAfterPeek # 51 ns1 MPTCP -> ns1 (10.0.1.1:10048 ) MPTCP (duration 434ms) [ OK ] # 52 ns1 MPTCP -> ns1 (10.0.1.1:10049 ) TCP (duration 589ms) [ OK ] # 53 ns1 TCP -> ns1 (10.0.1.1:10050 ) MPTCP (duration 365ms) [ OK ] # 54 ns1 MPTCP -> ns1 (dead:beef:1::1:10051) MPTCP (duration 453ms) [ OK ] # 55 ns1 MPTCP -> ns1 (dead:beef:1::1:10052) TCP (duration 390ms) [ OK ] # 56 ns1 TCP -> ns1 (dead:beef:1::1:10053) MPTCP (duration 385ms) [ OK ] # INFO: with MPTFO start # 57 ns2 MPTCP -> ns1 (10.0.1.1:10054 ) MPTCP (duration 867ms) [ OK ] # 58 ns2 MPTCP -> ns1 (10.0.1.1:10055 ) MPTCP (duration 890ms) [ OK ] # 59 ns2 MPTCP -> ns1 (dead:beef:1::1:10056) MPTCP (duration 1893ms) [ OK ] # 60 ns2 MPTCP -> ns1 (dead:beef:1::1:10057) MPTCP (duration 1774ms) [ OK ] # INFO: with MPTFO end # INFO: test tproxy ipv4 # 61 ns1 MPTCP -> ns2 (10.0.3.1:20000 ) MPTCP (duration 1905ms) [ OK ] # INFO: tproxy ipv4 pass # INFO: test tproxy ipv6 # 62 ns1 MPTCP -> ns2 (dead:beef:3::1:20000) MPTCP (duration 2189ms) [ OK ] # INFO: tproxy ipv6 pass # INFO: disconnect # 63 ns1 MPTCP -> ns1 (10.0.1.1:20001 ) MPTCP (duration 3398ms) [ OK ] # 64 ns1 MPTCP -> ns1 (10.0.1.1:20002 ) TCP (duration 2380ms) [ OK ] # 65 ns1 TCP -> ns1 (10.0.1.1:20003 ) MPTCP (duration 2779ms) [ OK ] # 66 ns1 MPTCP -> ns1 (dead:beef:1::1:20004) MPTCP (duration 4168ms) [ OK ] # 67 ns1 MPTCP -> ns1 (dead:beef:1::1:20005) TCP (duration 3186ms) [ OK ] # 68 ns1 TCP -> ns1 (dead:beef:1::1:20006) MPTCP copyfd_io_poll: poll timed out (events: POLLIN 0, POLLOUT 4) # copyfd_io_poll: poll timed out (events: POLLIN 1, POLLOUT 0) # (duration 33672ms) [FAIL] client exit code 2, server 0 # # netns ns1-uWOONO (listener) socket stat for 20006: # Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port # tcp TIME-WAIT 0 0 [dead:beef:1::1]:20006 [dead:beef:1::1]:59172 timer:(timewait,28sec,0) ino:0 sk:2014 # # tcp FIN-WAIT-2 0 0 [dead:beef:1::1]:20006 [dead:beef:1::1]:42912 timer:(timewait,59sec,0) ino:0 sk:2015 # # TcpActiveOpens 3 0.0 # TcpPassiveOpens 3 0.0 # TcpInSegs 1351 0.0 # TcpOutSegs 1332 0.0 # TcpRetransSegs 20 0.0 # TcpExtPruneCalled 12 0.0 # TcpExtRcvPruned 10 0.0 # TcpExtTW 4 0.0 # TcpExtBeyondWindow 8 0.0 # TcpExtDelayedACKLost 5 0.0 # TcpExtTCPHPHits 73 0.0 # TcpExtTCPPureAcks 493 0.0 # TcpExtTCPHPAcks 2 0.0 # TcpExtTCPSackRecovery 2 0.0 # TcpExtTCPFastRetrans 4 0.0 # TcpExtTCPSlowStartRetrans 3 0.0 # TcpExtTCPTimeouts 3 0.0 # TcpExtTCPLossProbes 10 0.0 # TcpExtTCPLossProbeRecovery 1 0.0 # TcpExtTCPRcvCollapsed 214 0.0 # TcpExtTCPBacklogCoalesce 173 0.0 # TcpExtTCPDSACKOldSent 5 0.0 # TcpExtTCPDSACKRecv 5 0.0 # TcpExtTCPDSACKIgnoredNoUndo 3 0.0 # TcpExtTCPSackMerged 2 0.0 # TcpExtTCPSackShiftFallback 5 0.0 # TcpExtTCPRcvCoalesce 306 0.0 # TcpExtTCPOFOQueue 7 0.0 # TcpExtTCPOFODrop 3 0.0 # TcpExtTCPFromZeroWindowAdv 119 0.0 # TcpExtTCPToZeroWindowAdv 113 0.0 # TcpExtTCPWantZeroWindowAdv 101 0.0 # TcpExtTCPOrigDataSent 824 0.0 # TcpExtTCPHystartTrainDetect 1 0.0 # TcpExtTCPHystartTrainCwnd 16 0.0 # TcpExtTCPACKSkippedSeq 1 0.0 # TcpExtTCPWinProbe 7 0.0 # TcpExtTCPDelivered 832 0.0 # TcpExtTCPRcvQDrop 6 0.0 # TcpExtTcpTimeoutRehash 3 0.0 # TcpExtTCPDSACKRecvSegs 5 0.0 # # netns ns1-uWOONO (connector) socket stat for 20006: # Failed to find cgroup2 mount # Failed to find cgroup2 mount # Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port # tcp TIME-WAIT 0 0 [dead:beef:1::1]:59156 [dead:beef:1::1]:20006 timer:(timewait,27sec,0) ino:0 sk:3008 # # tcp TIME-WAIT 0 0 [dead:beef:1::1]:59172 [dead:beef:1::1]:20006 timer:(timewait,28sec,0) ino:0 sk:3009 # # tcp LAST-ACK 0 1731624 [dead:beef:1::1]:42912 [dead:beef:1::1]:20006 timer:(persist,21sec,0) ino:0 sk:300a cgroup:unreachable:1 --- # skmem:(r0,rb444516,t0,tb2626560,f473,w1756711,o0,bl0,d30) ts sack cubic wscale:7,7 rto:204 backoff:7 rtt:3.864/3.651 ato:40 mss:65464 pmtu:65536 rcvmss:65464 advmss:65464 cwnd:7 ssthresh:7 bytes_sent:1987361 bytes_retrans:65352 bytes_acked:1922010 bytes_received:6437433 segs_out:126 segs_in:167 data_segs_out:42 data_segs_in:130 send 948753623bps lastsnd:30872 lastrcv:31043 lastack:4514 pacing_rate 1138467512bps delivery_rate 742327424bps delivered:42 busy:31691ms rwnd_limited:31602ms(99.7%) retrans:0/1 rcv_rtt:1 rcv_space:372106 rcv_ssthresh:428624 notsent:1731624 minrtt:0.17 rcv_wnd:428672 # # [FAIL] Tests of the full disconnection have failed # Time: 587 seconds # # TAP version 13 # 1..68 # ok 1 - mptcp_connect: New MPTCP socket can be blocked via sysctl # time=2122ms # ok 2 - mptcp_connect: ping tests # time=9089ms # ok 3 - mptcp_connect: loopback v4: ns1 MPTCP -> ns1 (10.0.1.1:10000) MPTCP # time=5637ms # ok 4 - mptcp_connect: loopback v4: ns1 MPTCP -> ns1 (10.0.1.1:10001) TCP # time=5093ms # ok 5 - mptcp_connect: loopback v4: ns1 TCP -> ns1 (10.0.1.1:10002) MPTCP # time=5155ms # ok 6 - mptcp_connect: loopback v6: ns1 MPTCP -> ns1 (dead:beef:1::1:10003) MPTCP # time=5294ms # ok 7 - mptcp_connect: loopback v6: ns1 MPTCP -> ns1 (dead:beef:1::1:10004) TCP # time=5162ms # ok 8 - mptcp_connect: loopback v6: ns1 TCP -> ns1 (dead:beef:1::1:10005) MPTCP # time=5090ms # ok 9 - mptcp_connect: multihosts: ns1 MPTCP -> ns2 (10.0.1.2:10006) MPTCP # time=6252ms # ok 10 - mptcp_connect: multihosts: ns1 MPTCP -> ns2 (dead:beef:1::2:10007) MPTCP # time=6134ms # ok 11 - mptcp_connect: multihosts: ns1 MPTCP -> ns2 (10.0.2.1:10008) MPTCP # time=5992ms # ok 12 - mptcp_connect: multihosts: ns1 MPTCP -> ns2 (dead:beef:2::1:10009) MPTCP # time=6264ms # ok 13 - mptcp_connect: multihosts: ns1 MPTCP -> ns3 (10.0.2.2:10010) MPTCP # time=6030ms # ok 14 - mptcp_connect: multihosts: ns1 MPTCP -> ns3 (dead:beef:2::2:10011) MPTCP # time=6090ms # ok 15 - mptcp_connect: multihosts: ns1 MPTCP -> ns3 (10.0.3.2:10012) MPTCP # time=6074ms # ok 16 - mptcp_connect: multihosts: ns1 MPTCP -> ns3 (dead:beef:3::2:10013) MPTCP # time=5952ms # ok 17 - mptcp_connect: multihosts: ns1 MPTCP -> ns4 (10.0.3.1:10014) MPTCP # time=6114ms # ok 18 - mptcp_connect: multihosts: ns1 MPTCP -> ns4 (dead:beef:3::1:10015) MPTCP # time=6087ms # ok 19 - mptcp_connect: multihosts: ns2 MPTCP -> ns1 (10.0.1.1:10016) MPTCP # time=6267ms # ok 20 - mptcp_connect: multihosts: ns2 MPTCP -> ns1 (dead:beef:1::1:10017) MPTCP # time=6133ms # ok 21 - mptcp_connect: multihosts: ns2 MPTCP -> ns3 (10.0.2.2:10018) MPTCP # time=6077ms # ok 22 - mptcp_connect: multihosts: ns2 MPTCP -> ns3 (dead:beef:2::2:10019) MPTCP # time=6055ms # ok 23 - mptcp_connect: multihosts: ns2 MPTCP -> ns3 (10.0.3.2:10020) MPTCP # time=6241ms # ok 24 - mptcp_connect: multihosts: ns2 MPTCP -> ns3 (dead:beef:3::2:10021) MPTCP # time=6195ms # ok 25 - mptcp_connect: multihosts: ns2 MPTCP -> ns4 (10.0.3.1:10022) MPTCP # time=5957ms # ok 26 - mptcp_connect: multihosts: ns2 MPTCP -> ns4 (dead:beef:3::1:10023) MPTCP # time=6112ms # ok 27 - mptcp_connect: multihosts: ns3 MPTCP -> ns1 (10.0.1.1:10024) MPTCP # time=7371ms # ok 28 - mptcp_connect: multihosts: ns3 MPTCP -> ns1 (dead:beef:1::1:10025) MPTCP # time=7347ms # ok 29 - mptcp_connect: multihosts: ns3 MPTCP -> ns2 (10.0.1.2:10026) MPTCP # time=7211ms # ok 30 - mptcp_connect: multihosts: ns3 MPTCP -> ns2 (dead:beef:1::2:10027) MPTCP # time=7043ms # ok 31 - mptcp_connect: multihosts: ns3 MPTCP -> ns2 (10.0.2.1:10028) MPTCP # time=7093ms # ok 32 - mptcp_connect: multihosts: ns3 MPTCP -> ns2 (dead:beef:2::1:10029) MPTCP # time=7163ms # ok 33 - mptcp_connect: multihosts: ns3 MPTCP -> ns4 (10.0.3.1:10030) MPTCP # time=6171ms # ok 34 - mptcp_connect: multihosts: ns3 MPTCP -> ns4 (dead:beef:3::1:10031) MPTCP # time=6191ms # ok 35 - mptcp_connect: multihosts: ns4 MPTCP -> ns1 (10.0.1.1:10032) MPTCP # time=7309ms # ok 36 - mptcp_connect: multihosts: ns4 MPTCP -> ns1 (dead:beef:1::1:10033) MPTCP # time=7256ms # ok 37 - mptcp_connect: multihosts: ns4 MPTCP -> ns2 (10.0.1.2:10034) MPTCP # time=7164ms # ok 38 - mptcp_connect: multihosts: ns4 MPTCP -> ns2 (dead:beef:1::2:10035) MPTCP # time=7180ms # ok 39 - mptcp_connect: multihosts: ns4 MPTCP -> ns2 (10.0.2.1:10036) MPTCP # time=7120ms # ok 40 - mptcp_connect: multihosts: ns4 MPTCP -> ns2 (dead:beef:2::1:10037) MPTCP # time=7211ms # ok 41 - mptcp_connect: multihosts: ns4 MPTCP -> ns3 (10.0.2.2:10038) MPTCP # time=7012ms # ok 42 - mptcp_connect: multihosts: ns4 MPTCP -> ns3 (dead:beef:2::2:10039) MPTCP # time=7113ms # ok 43 - mptcp_connect: multihosts: ns4 MPTCP -> ns3 (10.0.3.2:10040) MPTCP # time=7061ms # ok 44 - mptcp_connect: multihosts: ns4 MPTCP -> ns3 (dead:beef:3::2:10041) MPTCP # time=7101ms # ok 45 - mptcp_connect: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (10.0.1.1:10042) MPTCP # time=5250ms # ok 46 - mptcp_connect: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (10.0.1.1:10043) TCP # time=5149ms # ok 47 - mptcp_connect: peek mode: saveWithPeek: ns1 TCP -> ns1 (10.0.1.1:10044) MPTCP # time=5149ms # ok 48 - mptcp_connect: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10045) MPTCP # time=5208ms # ok 49 - mptcp_connect: peek mode: saveWithPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10046) TCP # time=5203ms # ok 50 - mptcp_connect: peek mode: saveWithPeek: ns1 TCP -> ns1 (dead:beef:1::1:10047) MPTCP # time=5150ms # ok 51 - mptcp_connect: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (10.0.1.1:10048) MPTCP # time=5149ms # ok 52 - mptcp_connect: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (10.0.1.1:10049) TCP # time=5342ms # ok 53 - mptcp_connect: peek mode: saveAfterPeek: ns1 TCP -> ns1 (10.0.1.1:10050) MPTCP # time=5082ms # ok 54 - mptcp_connect: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10051) MPTCP # time=5299ms # ok 55 - mptcp_connect: peek mode: saveAfterPeek: ns1 MPTCP -> ns1 (dead:beef:1::1:10052) TCP # time=5147ms # ok 56 - mptcp_connect: peek mode: saveAfterPeek: ns1 TCP -> ns1 (dead:beef:1::1:10053) MPTCP # time=5210ms # ok 57 - mptcp_connect: MPTFO: ns2 MPTCP -> ns1 (10.0.1.1:10054) MPTCP # time=7067ms # ok 58 - mptcp_connect: MPTFO: ns2 MPTCP -> ns1 (10.0.1.1:10055) MPTCP # time=6257ms # ok 59 - mptcp_connect: MPTFO: ns2 MPTCP -> ns1 (dead:beef:1::1:10056) MPTCP # time=12008ms # ok 60 - mptcp_connect: MPTFO: ns2 MPTCP -> ns1 (dead:beef:1::1:10057) MPTCP # time=14991ms # ok 61 - mptcp_connect: tproxy ipv4: ns1 MPTCP -> ns2 (10.0.3.1:20000) MPTCP # time=21500ms # ok 62 - mptcp_connect: tproxy ipv6: ns1 MPTCP -> ns2 (dead:beef:3::1:20000) MPTCP # time=22669ms # ok 63 - mptcp_connect: full disconnect: ns1 MPTCP -> ns1 (10.0.1.1:20001) MPTCP # time=21779ms # ok 64 - mptcp_connect: full disconnect: ns1 MPTCP -> ns1 (10.0.1.1:20002) TCP # time=20335ms # ok 65 - mptcp_connect: full disconnect: ns1 TCP -> ns1 (10.0.1.1:20003) MPTCP # time=22202ms # ok 66 - mptcp_connect: full disconnect: ns1 MPTCP -> ns1 (dead:beef:1::1:20004) MPTCP # time=23036ms # ok 67 - mptcp_connect: full disconnect: ns1 MPTCP -> ns1 (dead:beef:1::1:20005) TCP # time=19797ms # not ok 68 - mptcp_connect: full disconnect: ns1 TCP -> ns1 (dead:beef:1::1:20006) MPTCP # time=44492ms not ok 1 selftests: net/mptcp: mptcp_connect.sh # exit=1 make[1]: Leaving directory '/home/virtme/testing-12/tools/testing/selftests/net/mptcp' make: Leaving directory '/home/virtme/testing-12/tools/testing/selftests' xx__-> echo $? 0 xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak xx__-> echo scan > /sys/kernel/debug/kmemleak && cat /sys/kernel/debug/kmemleak xx__->