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X-OriginatorOrg: intel.com Hello, kernel test robot noticed "kernel-selftests-bpf.net/mptcp.mptcp_join.sh.mptcp_join_userspace_pm_send_RM_ADDR_for_ID_0.fail" on: commit: 8ca8eb05767395cd2fd0db12e052ca0bc5d1597c ("tcp: remove unused hash_size from struct tcp_out_options") https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master in testcase: kernel-selftests-bpf version: with following parameters: group: net/mptcp config: x86_64-rhel-9.4-bpf compiler: gcc-14 test machine: 36 threads 1 sockets Intel(R) Core(TM) i9-9980XE CPU @ 3.00GHz (Skylake) with 32G memory (please refer to attached dmesg/kmsg for entire log/backtrace) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-lkp/202604171618.f261a864-lkp@intel.com # 132 userspace pm send RM_ADDR for ID 0 # Info: Test file (size 128 KB) for client # Info: Test file (size 128 KB) for server # syn rx [FAIL] got 0 JOIN[s] syn rx expected 1 # Server ns stats (ns2-mQDnh0) # TcpPassiveOpens 1 0.0 # TcpInSegs 120 0.0 # TcpOutSegs 100 0.0 # TcpExtDelayedACKs 24 0.0 # TcpExtTCPPureAcks 56 0.0 # TcpExtTCPOrigDataSent 63 0.0 # TcpExtTCPDelivered 63 0.0 # MPTcpExtMPCapableSYNRX 1 0.0 # MPTcpExtMPCapableACKRX 1 0.0 # MPTcpExtAddAddrTx 1 0.0 # MPTcpExtMPCurrEstab 1 0.0 # MPTcpExtDssFallback 1 0.0 # # Client ns stats (ns2-mQDnh0) # TcpActiveOpens 1 0.0 # TcpInSegs 100 0.0 # TcpOutSegs 120 0.0 # TcpExtDelayedACKs 41 0.0 # TcpExtTCPPureAcks 36 0.0 # TcpExtTCPOrigDataSent 63 0.0 # TcpExtTCPDelivered 64 0.0 # MPTcpExtMPCapableSYNTX 1 0.0 # MPTcpExtMPCapableSYNACKRX 1 0.0 # MPTcpExtMPCurrEstab 1 0.0 # MPTcpExtMPCapableDataFallback 1 0.0 # # synack rx [FAIL] got 0 JOIN[s] synack rx expected 1 # ack rx [FAIL] got 0 JOIN[s] ack rx expected 1 # join Rx [FAIL] see above # syn tx [FAIL] got 0 JOIN[s] syn tx expected 1 # join Tx [FAIL] see above # ns1 dss fallback [FAIL] got 1 dss fallback[s] in ns1 expected 0 # ns2 mpc data fallback [FAIL] got 1 mpc data fallback[s] in ns2 expected 0 # fallback [FAIL] see above # add addr rx [FAIL] got 0 ADD_ADDR[s] expected 1 # add addr echo rx [FAIL] got 0 ADD_ADDR echo[s] expected 1 # mptcp_info subflows=1:1 [FAIL] got 0:0 subflows:subflows expected 1:1 # ESTAB 0 0 [::ffff:10.0.1.1]:10131 [::ffff:10.0.1.2]:44220 # skmem:(r0,rb131072,t0,tb20480,f2014,w0,o56,bl0,d0) add_addr_signal:1 fallback remote_key token:16a2fd8b write_seq:17048891511713788648 snd_una:17048891511713788648 rcv_nxt:787573327139392450 local_addr_used:1 bytes_sent:350 bytes_received:350 bytes_acked:350 subflows_total:1 last_data_sent:71 last_data_recv:71 last_ack_recv:13893 # ESTAB 965 0 10.0.1.2:44220 10.0.1.1:10131 # skmem:(r965,rb131072,t0,tb91136,f1049,w0,o0,bl0,d0) subflows_max:1 add_addr_accepted_max:1 fallback remote_key token:412ba7d write_seq:787573327139392450 snd_una:787573327139392450 rcv_nxt:17048891511713788648 bytes_sent:350 bytes_received:350 bytes_acked:350 subflows_total:1 last_data_sent:97 last_data_recv:97 last_ack_recv:13921 # mptcp_info subflows_total=2:2 [FAIL] got 1:1 subflows_total:subflows_total expected 2:2 # ESTAB 0 0 [::ffff:10.0.1.1]:10131 [::ffff:10.0.1.2]:44220 # skmem:(r0,rb131072,t0,tb20480,f2979,w0,o56,bl0,d0) add_addr_signal:1 fallback remote_key token:16a2fd8b write_seq:17048891511713788653 snd_una:17048891511713788653 rcv_nxt:787573327139392455 local_addr_used:1 bytes_sent:355 bytes_received:355 bytes_acked:355 subflows_total:1 last_data_sent:42 last_data_recv:43 last_ack_recv:14065 # ESTAB 965 0 10.0.1.2:44220 10.0.1.1:10131 # skmem:(r965,rb131072,t0,tb91136,f2014,w0,o0,bl0,d0) subflows_max:1 add_addr_accepted_max:1 fallback remote_key token:412ba7d write_seq:787573327139392455 snd_una:787573327139392455 rcv_nxt:17048891511713788653 bytes_sent:355 bytes_received:355 bytes_acked:355 subflows_total:1 last_data_sent:70 last_data_recv:69 last_ack_recv:14094 # mptcp_info add_addr_signal=1:1 [FAIL] got 1:0 add_addr_signal:add_addr_accepted expected 1:1 # ESTAB 0 0 [::ffff:10.0.1.1]:10131 [::ffff:10.0.1.2]:44220 # skmem:(r0,rb131072,t0,tb20480,f2979,w0,o56,bl0,d0) add_addr_signal:1 fallback remote_key token:16a2fd8b write_seq:17048891511713788653 snd_una:17048891511713788653 rcv_nxt:787573327139392455 local_addr_used:1 bytes_sent:355 bytes_received:355 bytes_acked:355 subflows_total:1 last_data_sent:181 last_data_recv:182 last_ack_recv:14204 # ESTAB 965 0 10.0.1.2:44220 10.0.1.1:10131 # skmem:(r965,rb131072,t0,tb91136,f2979,w0,o0,bl0,d0) subflows_max:1 add_addr_accepted_max:1 fallback remote_key token:412ba7d write_seq:787573327139392460 snd_una:787573327139392460 rcv_nxt:17048891511713788658 bytes_sent:360 bytes_received:360 bytes_acked:360 subflows_total:1 last_data_sent:7 last_data_recv:7 last_ack_recv:14232 # rm addr rx client [FAIL] got 0 RM_ADDR[s] expected 1 # rm subflow server [ OK ] # reset tx client [ OK ] # reset rx server [ OK ] # mptcp_info subflows=1:1 [FAIL] got 0:0 subflows:subflows expected 1:1 # ESTAB 0 0 [::ffff:10.0.1.1]:10131 [::ffff:10.0.1.2]:44220 # skmem:(r0,rb131072,t0,tb20480,f341,w0,o56,bl0,d0) add_addr_signal:1 fallback remote_key token:16a2fd8b write_seq:17048891511713788703 snd_una:17048891511713788703 rcv_nxt:787573327139392505 local_addr_used:1 bytes_sent:405 bytes_received:405 bytes_acked:405 subflows_total:1 last_data_sent:131 last_data_recv:132 last_ack_recv:16157 # ESTAB 965 0 10.0.1.2:44220 10.0.1.1:10131 # skmem:(r965,rb131072,t0,tb91136,f3472,w0,o0,bl0,d0) subflows_max:1 add_addr_accepted_max:1 fallback remote_key token:412ba7d write_seq:787573327139392505 snd_una:787573327139392505 rcv_nxt:17048891511713788703 bytes_sent:405 bytes_received:405 bytes_acked:405 subflows_total:1 last_data_sent:154 last_data_recv:153 last_ack_recv:16181 # mptcp_info subflows_total=1:1 [ OK ] ..... # 66 failure(s) has(ve) been detected: ... # - 132: userspace pm send RM_ADDR for ID 0 ... # # TAP version 13 # 1..137 ... # not ok 132 - mptcp_join: userspace pm send RM_ADDR for ID 0 # time=18457ms ... not ok 7 selftests: net/mptcp: mptcp_join.sh # exit=1 The kernel config and materials to reproduce are available at: https://download.01.org/0day-ci/archive/20260417/202604171618.f261a864-lkp@intel.com -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki