* [linus:master] [tcp] 8ca8eb0576: kernel-selftests-bpf.net/mptcp.mptcp_join.sh.mptcp_join_userspace_pm_send_RM_ADDR_for_ID_0.fail
@ 2026-04-17 9:07 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2026-04-17 9:07 UTC (permalink / raw)
To: Keita Morisaki
Cc: oe-lkp, lkp, linux-kernel, Jakub Kicinski, Jakub Sitnicki,
Kuniyuki Iwashima, Eric Dumazet, netdev, oliver.sang
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 <oliver.sang@intel.com>
| 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
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2026-04-17 9:07 [linus:master] [tcp] 8ca8eb0576: kernel-selftests-bpf.net/mptcp.mptcp_join.sh.mptcp_join_userspace_pm_send_RM_ADDR_for_ID_0.fail kernel test robot
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