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[tor-bugs] #27615 [Core Tor/Tor]: Travis cache sticky failures



#27615: Travis cache sticky failures
------------------------------+------------------------------
     Reporter:  catalyst      |      Owner:  (none)
         Type:  defect        |     Status:  new
     Priority:  Medium        |  Milestone:  Tor: unspecified
    Component:  Core Tor/Tor  |    Version:
     Severity:  Normal        |   Keywords:  tor-ci
Actual Points:                |  Parent ID:
       Points:                |   Reviewer:
      Sponsor:                |
------------------------------+------------------------------
 It looks like there's at least one example of Travis caching corrupt
 artifacts in a way that causes "sticky" failures when attempting to
 rebuild that subjob.  I had to clear the caches to get it to rebuild.

 We should keep track of future instances of this kind of failure.  We
 should also decide whether the speedup from the cache is worth the time
 spent diagnosing persistent failures that turn out to be cached.

 {{{
 gcc -std=gnu99 -ftrapv -fsanitize=address      -g -O2 -U_FORTIFY_SOURCE
 -D_FORTIFY_SOURCE=2 -fstack-protector-all -Wstack-protector --param ssp-
 buffer-size=1 -fPIE -fno-omit-frame-pointer -fasynchronous-unwind-tables
 -Wall -fno-strict-aliasing -Waddress -Warray-bounds -Wdouble-promotion
 -Wextra -Winit-self -Wlogical-op -Wmissing-field-initializers -Wmissing-
 format-attribute -Wmissing-noreturn -Wnormalized=nfkc -Woverlength-strings
 -Woverride-init -Wshadow -Wstrict-overflow=1 -Wsuggest-attribute=format
 -Wsuggest-attribute=noreturn -Wsync-nand -Wtrampolines -Wunused-but-set-
 parameter -Wunused-but-set-variable -Wunused-local-typedefs -Wvariadic-
 macros -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes
 -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts
 -Wcomment -Wformat=2 -Wwrite-strings -Wnested-externs -Wbad-function-cast
 -Wswitch-enum -Waggregate-return -Wpacked -Wunused -Wunused-parameter
 -Wold-style-definition -Wmissing-declarations -Werror   -pie -z relro -z
 now -rdynamic -o src/test/test src/test/src_test_test-log_test_helpers.o
 src/test/src_test_test-hs_test_helpers.o src/test/src_test_test-
 rend_test_helpers.o src/test/src_test_test-test.o src/test/src_test_test-
 test_accounting.o src/test/src_test_test-test_addr.o src/test
 /src_test_test-test_address.o src/test/src_test_test-test_address_set.o
 src/test/src_test_test-test_bridges.o src/test/src_test_test-
 test_buffers.o src/test/src_test_test-test_bwmgt.o src/test/src_test_test-
 test_cell_formats.o src/test/src_test_test-test_cell_queue.o src/test
 /src_test_test-test_channel.o src/test/src_test_test-test_channelpadding.o
 src/test/src_test_test-test_channeltls.o src/test/src_test_test-
 test_checkdir.o src/test/src_test_test-test_circuitlist.o src/test
 /src_test_test-test_circuitmux.o src/test/src_test_test-
 test_circuitbuild.o src/test/src_test_test-test_circuituse.o src/test
 /src_test_test-test_circuitstats.o src/test/src_test_test-
 test_compat_libevent.o src/test/src_test_test-test_config.o src/test
 /src_test_test-test_connection.o src/test/src_test_test-test_conscache.o
 src/test/src_test_test-test_consdiff.o src/test/src_test_test-
 test_consdiffmgr.o src/test/src_test_test-test_containers.o src/test
 /src_test_test-test_controller.o src/test/src_test_test-
 test_controller_events.o src/test/src_test_test-test_crypto.o src/test
 /src_test_test-test_crypto_ope.o src/test/src_test_test-test_data.o
 src/test/src_test_test-test_dir.o src/test/src_test_test-test_dir_common.o
 src/test/src_test_test-test_dir_handle_get.o src/test/src_test_test-
 test_dos.o src/test/src_test_test-test_entryconn.o src/test/src_test_test-
 test_entrynodes.o src/test/src_test_test-test_geoip.o src/test
 /src_test_test-test_guardfraction.o src/test/src_test_test-
 test_extorport.o src/test/src_test_test-test_hs.o src/test/src_test_test-
 test_hs_common.o src/test/src_test_test-test_hs_config.o src/test
 /src_test_test-test_hs_cell.o src/test/src_test_test-test_hs_ntor.o
 src/test/src_test_test-test_hs_service.o src/test/src_test_test-
 test_hs_client.o src/test/src_test_test-test_hs_intropoint.o src/test
 /src_test_test-test_hs_control.o src/test/src_test_test-test_handles.o
 src/test/src_test_test-test_hs_cache.o src/test/src_test_test-
 test_hs_descriptor.o src/test/src_test_test-test_introduce.o src/test
 /src_test_test-test_keypin.o src/test/src_test_test-test_link_handshake.o
 src/test/src_test_test-test_logging.o src/test/src_test_test-
 test_mainloop.o src/test/src_test_test-test_microdesc.o src/test
 /src_test_test-test_nodelist.o src/test/src_test_test-test_oom.o src/test
 /src_test_test-test_oos.o src/test/src_test_test-test_options.o src/test
 /src_test_test-test_pem.o src/test/src_test_test-test_periodic_event.o
 src/test/src_test_test-test_policy.o src/test/src_test_test-test_procmon.o
 src/test/src_test_test-test_proto_http.o src/test/src_test_test-
 test_proto_misc.o src/test/src_test_test-test_protover.o src/test
 /src_test_test-test_pt.o src/test/src_test_test-test_relay.o src/test
 /src_test_test-test_relaycell.o src/test/src_test_test-test_relaycrypt.o
 src/test/src_test_test-test_rendcache.o src/test/src_test_test-
 test_replay.o src/test/src_test_test-test_router.o src/test/src_test_test-
 test_routerkeys.o src/test/src_test_test-test_routerlist.o src/test
 /src_test_test-test_routerset.o src/test/src_test_test-test_scheduler.o
 src/test/src_test_test-test_shared_random.o src/test/src_test_test-
 test_socks.o src/test/src_test_test-test_status.o src/test/src_test_test-
 test_storagedir.o src/test/src_test_test-test_threads.o src/test
 /src_test_test-test_tortls.o src/test/src_test_test-test_util.o src/test
 /src_test_test-test_util_format.o src/test/src_test_test-
 test_util_process.o src/test/src_test_test-test_voting_schedule.o src/test
 /src_test_test-test_x509.o src/test/src_test_test-test_helpers.o src/test
 /src_test_test-test_dns.o src/test/src_test_test-testing_common.o src/test
 /src_test_test-testing_rsakeys.o src/ext/src_test_test-tinytest.o src/test
 /src_test_test-test_crypto_openssl.o src/test/src_test_test-
 test_tortls_openssl.o src/core/libtor-app-testing.a src/lib/libtor-
 compress-testing.a src/lib/libtor-evloop-testing.a src/lib/libtor-tls-
 testing.a src/lib/libtor-crypt-ops-testing.a src/ext/keccak-tiny
 /libkeccak-tiny.a src/lib/libcurve25519_donna.a
 src/ext/ed25519/ref10/libed25519_ref10.a
 src/ext/ed25519/donna/libed25519_donna.a src/lib/libtor-process-testing.a
 src/lib/libtor-time-testing.a src/lib/libtor-fs-testing.a src/lib/libtor-
 encoding-testing.a src/lib/libtor-sandbox-testing.a src/lib/libtor-
 container-testing.a src/lib/libtor-net-testing.a src/lib/libtor-thread-
 testing.a src/lib/libtor-memarea-testing.a src/lib/libtor-math-testing.a
 src/lib/libtor-meminfo-testing.a src/lib/libtor-osinfo-testing.a src/lib
 /libtor-term-testing.a src/lib/libtor-log-testing.a src/lib/libtor-lock-
 testing.a src/lib/libtor-fdio-testing.a src/lib/libtor-string-testing.a
 src/lib/libtor-smartlist-core-testing.a src/lib/libtor-malloc-testing.a
 src/lib/libtor-wallclock-testing.a src/lib/libtor-err-testing.a src/lib
 /libtor-intmath.a src/lib/libtor-ctime-testing.a src/trunnel/libor-
 trunnel-testing.a src/lib/libtor-trace.a  -lz -lm -levent -lssl -lcrypto
 -llzma    -lscrypt -lseccomp -lcap -lpthread -ldl
 src/core/libtor-app.a(connection.o): In function
 `connection_process_inbuf':
 /home/travis/build/tlyu/tor/src/core/mainloop/connection.c:4582: undefined
 reference to `TO_EDGE_CONN'
 src/core/libtor-app.a(connection.o): In function
 `connection_flushed_some':
 /home/travis/build/tlyu/tor/src/core/mainloop/connection.c:4608: undefined
 reference to `TO_EDGE_CONN'
 /home/travis/build/tlyu/tor/src/core/mainloop/connection.c:4608: undefined
 reference to `connection_edge_flushed_some'
 }}}

 This seems to have been something like a corrupted libtor-app.a or
 connection_edge.o that got cached.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/27615>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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