#!watchflakes
default <- pkg == "cmd/cgo/internal/testsanitizers" && test ~ `TestTSAN/tsan\d+`

Issue created automatically to collect these failures.

Example (log):

=== RUN   TestTSAN/tsan14
=== PAUSE TestTSAN/tsan14
=== CONT  TestTSAN/tsan14
    tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN1360052067/tsan14 exited with exit status 66
        ==================
        WARNING: ThreadSanitizer: signal handler spoils errno (pid=36513)
            #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x513060)
            #1 _cgo_get_context_function <null> (tsan14+0x51a602)
            #2 _cgo_release_context <null> (tsan14+0x51a010)
            #3 go_callback <null> (tsan14+0x519d43)

        SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp
        ==================
--- FAIL: TestTSAN/tsan14 (3.50s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/cgo/internal/testsanitizers" && test == "TestTSAN/tsan14"
2024-04-19 16:08 gotip-linux-amd64-staticlockranking go@d428a638 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN1360052067/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=36513) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x513060) #1 _cgo_get_context_function (tsan14+0x51a602) #2 _cgo_release_context (tsan14+0x51a010) #3 go_callback (tsan14+0x519d43) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.50s)
2024-04-19 16:31 gotip-linux-amd64-boringcrypto go@1a0b8637 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN322841745/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=41208) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x510d80) #1 _cgo_get_context_function (tsan14+0x518322) #2 _cgo_release_context (tsan14+0x517d30) #3 go_callback (tsan14+0x517a63) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.33s)
2024-04-22 13:29 gotip-linux-amd64-boringcrypto go@2dddc7ef cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN1167938126/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=43478) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x510da0) #1 _cgo_wait_runtime_init_done (tsan14+0x518011) #2 go_callback (tsan14+0x517a33) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.06s)
2024-04-22 20:21 gotip-linux-amd64 go@6737f4ce cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN2314264949/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=45198) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x510e20) #1 _cgo_get_context_function (tsan14+0x5183c2) #2 _cgo_release_context (tsan14+0x517dd0) #3 go_callback (tsan14+0x517b03) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.90s)
2024-04-23 16:49 gotip-linux-amd64-goamd64v3 go@08e73e61 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN3886674001/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=269999) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x510940) #1 _cgo_wait_runtime_init_done (tsan14+0x517b51) #2 go_callback (tsan14+0x517573) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (2.77s)
2024-04-24 15:55 gotip-linux-amd64-boringcrypto go@508e7619 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN974189749/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=38580) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x510e80) #1 _cgo_get_context_function (tsan14+0x5183e2) #2 _cgo_release_context (tsan14+0x517df0) #3 go_callback (tsan14+0x517b23) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.07s)
2024-04-24 15:55 gotip-linux-amd64-goamd64v3 go@508e7619 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN2446667033/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=97922) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x510940) #1 _cgo_wait_runtime_init_done (tsan14+0x517b51) #2 go_callback (tsan14+0x517573) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.82s)
2024-04-25 01:02 gotip-linux-amd64-goamd64v3 go@4351af68 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN1143881792/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=286537) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x510940) #1 _cgo_wait_runtime_init_done (tsan14+0x517b51) #2 go_callback (tsan14+0x517573) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.89s)
2024-04-26 21:24 gotip-linux-amd64-staticlockranking go@0e7f5cf3 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN2489155201/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=37051) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x5129c0) #1 _cgo_get_context_function (tsan14+0x519ec2) #2 _cgo_release_context (tsan14+0x5198d0) #3 go_callback (tsan14+0x519603) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.68s)
2024-04-26 23:07 gotip-linux-amd64-newinliner go@ad22356e cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN1452582374/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=183093) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x5107a0) #1 _cgo_wait_runtime_init_done (tsan14+0x517a11) #2 go_callback (tsan14+0x517433) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (4.10s)
2024-04-29 14:01 gotip-linux-amd64-newinliner go@f6e6b637 cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN1529121168/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=88729) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x5107a0) #1 _cgo_wait_runtime_init_done (tsan14+0x517a11) #2 go_callback (tsan14+0x517433) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.68s)
2024-05-04 07:50 gotip-linux-amd64 go@8841f50d cmd/cgo/internal/testsanitizers.TestTSAN/tsan14 (log) === RUN TestTSAN/tsan14 === PAUSE TestTSAN/tsan14 === CONT TestTSAN/tsan14 tsan_test.go:77: /home/swarming/.swarming/w/ir/x/t/TestTSAN618518940/tsan14 exited with exit status 66 ================== WARNING: ThreadSanitizer: signal handler spoils errno (pid=38752) #0 runtime.cgoSigtramp /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 (tsan14+0x5107c0) #1 _cgo_get_context_function (tsan14+0x517ca2) #2 _cgo_release_context (tsan14+0x5176b0) #3 go_callback (tsan14+0x5173e3) SUMMARY: ThreadSanitizer: signal handler spoils errno /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_amd64.s:388 in runtime.cgoSigtramp ================== --- FAIL: TestTSAN/tsan14 (3.33s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/cgo/internal/testsanitizers" && test ~ `TestTSAN/tsan\d+`
2024-11-20 16:48 gotip-linux-arm64-clang15 go@88375032 cmd/cgo/internal/testsanitizers.TestTSAN/tsan13 (log) === RUN TestTSAN/tsan13 === PAUSE TestTSAN/tsan13 === CONT TestTSAN/tsan13 tsan_test.go:88: /usr/bin/setarch aarch64 -R /home/swarming/.swarming/w/ir/x/t/TestTSAN4122718467/tsan13 exited with exit status 2 SIGQUIT: quit PC=0x53e160 m=2 sigcode=0 goroutine 0 gp=0xffffa8004a80 m=2 mp=0xffffa8058808 [idle]: runtime.futex(0x53a730, 0x80, 0x0, 0x1b14828, 0xffffac8fdec8, 0x53cb38) /home/swarming/.swarming/w/ir/x/w/goroot/src/runtime/sys_linux_arm64.s:652 +0x20 fp=0xffffac8fde90 sp=0xffffac8fde90 pc=0x53e160 ... r25 0xc0 r26 0x5cd090 r27 0x6b6000 r28 0xffffa8004a80 r29 0xffffac8fde88 lr 0x50013c sp 0xffffac8fde90 pc 0x53e160 fault 0x0 --- FAIL: TestTSAN/tsan13 (136.85s)

— watchflakes

Comment From: gopherbot

Found new dashboard test flakes for:

#!watchflakes
default <- pkg == "cmd/cgo/internal/testsanitizers" && test ~ `TestTSAN/tsan\d+`
2025-07-23 18:17 go1.25-linux-riscv64 release-branch.go1.25@489868f7 cmd/cgo/internal/testsanitizers.TestTSAN/tsan13 (log) === RUN TestTSAN/tsan13 === PAUSE TestTSAN/tsan13 === CONT TestTSAN/tsan13 tsan_test.go:70: /home/swarming/.swarming/w/ir/x/w/goroot/bin/go build -x --installsuffix=tsan -o /home/swarming/.swarming/w/ir/x/t/TestTSANtsan131263144629/001/tsan13 ./testdata/tsan13.go exited with exit status 2 WORK=/home/swarming/.swarming/w/ir/x/t/go-build4294318762 mkdir -p $WORK/b001/ cd /home/swarming/.swarming/w/ir/x/w/goroot/src/cmd/cgo/internal/testsanitizers/testdata TERM='dumb' CGO_LDFLAGS='' /home/swarming/.swarming/w/ir/x/w/goroot/pkg/tool/linux_riscv64/cgo -objdir $WORK/b001/ -importpath command-line-arguments "-ldflags=\"-fsanitize=thread\" \"-fPIC\" \"-static-libtsan\" \"-g\" \"-fsanitize=thread\"" -- -I $WORK/b001/ -fsanitize=thread -fPIC -g -fsanitize=thread ./tsan13.go cd $WORK/b001 TERM='dumb' gcc -I /home/swarming/.swarming/w/ir/x/w/goroot/src/cmd/cgo/internal/testsanitizers/testdata -fPIC -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=$WORK/b001=/tmp/go-build -gno-record-gcc-switches -I $WORK/b001/ -fsanitize=thread -fPIC -g -fsanitize=thread -frandom-seed=SpOkbQVFHPDYhYjQbzL_ -o $WORK/b001/_x001.o -c _cgo_export.c ... a5 0x0 a6 0x0 a7 0x62 s2 0x3fc49f5788 s3 0xc8f500 s4 0x3760006000 s5 0x4 s6 0x0 s7 0x4 s8 0x3760044178 s9 0x376004c4e0 s10 0x786680 s11 0xc8d6c0 t3 0x0 t4 0x0 t5 0x0 t6 0xc91538 pc 0x9297c --- FAIL: TestTSAN/tsan13 (162.92s)

— watchflakes