runtime: "runtime: unexpected return pc for testing.tRunner called from 0x0"

[eliasnaur]

Recent iOS crash:

https://build.golang.org/log/7446a26b3c8d6c6016d1abafbc8cd0588baf7a47

Perhaps related to #20846, #23133, #23561.

runtime: unexpected return pc for testing.tRunner called from 0x0

stack: frame={sp:0x130172fa0, fp:0x130172fc0} stack=[0x130172000,0x130173000)

0000000130172ea0:  0000000130030570  0000000000000000 

0000000130172eb0:  000000013046a3c0  00000001303ef200 

0000000130172ec0:  00000001303ef288  00000001303ef338 

0000000130172ed0:  000000013046a418  0000000130465df8 

0000000130172ee0:  00000001303c0500  0000000100a7f450 

0000000130172ef0:  00000001006e56b4 <testing.tRunner.func1+452>  0000000130465da0 

0000000130172f00:  0000000130661f60  000000013038de01 

0000000130172f10:  00000001006e56b4 <testing.tRunner.func1+452>  000000013038de00 

0000000130172f20:  00000001006e235c <testing.tRunner+220>  0000000130465da0 

0000000130172f30:  0000000130661f60  0000000000000000 

0000000130172f40:  00000000009e7668  0000000000000000 

0000000130172f50:  0000000100653c30 <runtime.sighandler+0>  0000000000000001 

0000000130172f60:  0000000100687118 <syscall.Syscall+8>  0000000100a7f510 

0000000130172f70:  000000000000000d  0000000000000000 

0000000130172f80:  0000000000000000  000000010068712c <syscall.Syscall+28> 

0000000130172f90:  0000000000000000  0000000000000000 

0000000130172fa0: <0000000000000000  0000000000000000 

0000000130172fb0:  0000000000000000  0000000000000000 

0000000130172fc0: >0000000000000000  0000000000000000 

0000000130172fd0:  0000000000000000  0000000000000000 

0000000130172fe0:  0000000130172f70  0000000000000000 

0000000130172ff0:  0000000000000000  0000000000000000 

fatal error: unknown caller pc



runtime stack:

runtime.throw(0x100a18995, 0x11)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:616 +0x5c

runtime.gentraceback(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1303ef200, 0x0, 0x0, 0x7fffffff, 0x16fcd2c78, 0x0, 0x0, ...)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/traceback.go:302 +0x16a8

runtime.scanstack(0x1303ef200, 0x13002f270)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:786 +0xdc

runtime.scang(0x1303ef200, 0x13002f270)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/proc.go:888 +0x1b8

runtime.markroot.func1()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:264 +0x58

runtime.markroot(0x13002f270, 0x2e)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:245 +0x318

runtime.gcDrainN(0x13002f270, 0x5f558, 0x2)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:1050 +0xe8

runtime.gcAssistAlloc1(0x13013c300, 0x5f558)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:557 +0x100

runtime.gcAssistAlloc.func1()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:468 +0x28

runtime.systemstack(0x100000000)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/asm_arm64.s:229 +0x8c

runtime.mstart()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/proc.go:1170



goroutine 39 [GC assist marking]:

runtime.systemstack_switch()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/asm_arm64.s:178 +0x8 fp=0x13004ebb0 sp=0x13004eba0 pc=0x100667f08

runtime.gcAssistAlloc(0x13013c300)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:467 +0x138 fp=0x13004ebf0 sp=0x13004ebb0 pc=0x100631ff8

runtime.mallocgc(0x84c18, 0x100984b80, 0x13004ec01, 0x1006d7c90)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/malloc.go:789 +0x7c4 fp=0x13004eca0 sp=0x13004ebf0 pc=0x100621d34

runtime.makeslice(0x100984b80, 0x84c18, 0x84c18, 0x130572000, 0x1, 0x42418)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/slice.go:61 +0x70 fp=0x13004ecd0 sp=0x13004eca0 pc=0x100655530

bytes.makeSlice(0x84c18, 0x0, 0x0, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/bytes/buffer.go:230 +0x54 fp=0x13004ed10 sp=0x13004ecd0 pc=0x1006d7cb4

bytes.(*Buffer).grow(0x13039ee70, 0x3e8, 0x3e8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/bytes/buffer.go:144 +0x120 fp=0x13004ed60 sp=0x13004ed10 pc=0x1006d76e0

bytes.(*Buffer).Write(0x13039ee70, 0x1302b5c00, 0x3e8, 0x3e8, 0x3e8, 0x0, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/bytes/buffer.go:174 +0xc0 fp=0x13004ed90 sp=0x13004ed60 pc=0x1006d7990

net/http.TestReadResponseCloseInMiddle(0x130117c20)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/response_test.go:651 +0x68 fp=0x13004efa0 sp=0x13004ed90 pc=0x10087f1c8

testing.tRunner(0x130117c20, 0x100a7d6c0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:788 +0xa8 fp=0x13004efc0 sp=0x13004efa0 pc=0x1006e2328

runtime.goexit()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/asm_arm64.s:917 +0x4 fp=0x13004efc0 sp=0x13004efc0 pc=0x10066a474

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 1 [chan receive]:

testing.tRunner.func1(0x130116000)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:764 +0x15c

testing.tRunner(0x130116000, 0x130063dd0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

testing.runTests(0x1300f0500, 0x100cd7760, 0x1c9, 0x1c9, 0x13001f230)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:1076 +0x24c

testing.(*M).Run(0x130110580, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:993 +0x148

net/http_test.TestMain(0x130110580)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/main_test.go:23 +0x20

main.main()

	_testmain.go:1008 +0x148



goroutine 5 [syscall]:

os/signal.signal_recv(0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/sigqueue.go:139 +0xc8

os/signal.loop()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/os/signal/signal_unix.go:22 +0x18

created by os/signal.init.0

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/os/signal/signal_unix.go:28 +0x30



goroutine 256 [chan send]:

testing.tRunner.func1(0x130336ff0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130336ff0, 0x100a7dc20)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 34 [chan receive]:

testing.(*testContext).waitParallel(0x130114000)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:883 +0x88

testing.(*T).Parallel(0x130117770)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:698 +0x17c

net/http.TestRequestWriteTransport(0x130117770)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/requestwrite_test.go:573 +0x28

testing.tRunner(0x130117770, 0x100a7d728)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:788 +0xa8

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 56 [chan send]:

testing.tRunner.func1(0x130214870)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130214870, 0x100a7dc70)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 155 [chan send]:

testing.tRunner.func1(0x1303361e0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303361e0, 0x100a7db98)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 348 [chan send]:

testing.tRunner.func1(0x1304704b0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1304704b0, 0x100a7de68)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 91 [chan send]:

testing.tRunner.func1(0x130214ff0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130214ff0, 0x100a7ddd8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 195 [select]:

net/http.(*Transport).getConn(0x1304411d0, 0x130114ba0, 0x0, 0x1303b5040, 0x5, 0x1304941e0, 0xf, 0x0, 0x0, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/transport.go:962 +0x3b8

net/http.(*Transport).RoundTrip(0x1304411d0, 0x130452900, 0x1304411d0, 0x0, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/transport.go:409 +0x454

net/http.send(0x130452900, 0x100abd440, 0x1304411d0, 0x0, 0x0, 0x0, 0x0, 0x130662220, 0x1303b5000, 0x1008291e0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/client.go:252 +0xec

net/http.(*Client).send(0x1302d9470, 0x130452900, 0x0, 0x0, 0x0, 0x130662220, 0x0, 0x1, 0x1)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/client.go:176 +0xc4

net/http.(*Client).Do(0x1302d9470, 0x130452900, 0x1303b5040, 0x17, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/client.go:615 +0x1f4

net/http.(*Client).Get(0x1302d9470, 0x1303b5040, 0x17, 0x1304acd80, 0x0, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/client.go:396 +0x74

net/http_test.TestClientInsecureTransport(0x13038c0f0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/net/http/client_test.go:864 +0x1ec

testing.tRunner(0x13038c0f0, 0x100a7db88)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:788 +0xa8

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 157 [chan send]:

testing.tRunner.func1(0x1303363c0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303363c0, 0x100a7e338)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 253 [chan send]:

testing.tRunner.func1(0x130336d20)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130336d20, 0x100a7dd70)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 94 [chan send]:

testing.tRunner.func1(0x1302152c0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1302152c0, 0x100a7dbf8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 154 [chan send]:

testing.tRunner.func1(0x1303360f0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303360f0, 0x100a7dba8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 95 [chan send]:

testing.tRunner.func1(0x1302153b0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1302153b0, 0x100a7dbb8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 153 [chan send]:

testing.tRunner.func1(0x130336000)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130336000, 0x100a7dbf0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 368 [chan send]:

testing.tRunner.func1(0x1304900f0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1304900f0, 0x100a7de98)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 364 [chan send]:

testing.tRunner.func1(0x13038dd10)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x13038dd10, 0x100a7de20)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 274 [chan send]:

testing.tRunner.func1(0x1303371d0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303371d0, 0x100a7dc10)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 363 [chan send]:

testing.tRunner.func1(0x13038dc20)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x13038dc20, 0x100a7dee8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 349 [chan send]:

testing.tRunner.func1(0x1304705a0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1304705a0, 0x100a7dde8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 276 [chan send]:

testing.tRunner.func1(0x1303373b0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303373b0, 0x100a7dc08)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 367 [chan send]:

testing.tRunner.func1(0x130490000)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130490000, 0x100a7de90)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 257 [chan send]:

testing.tRunner.func1(0x1303370e0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303370e0, 0x100a7dc28)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 277 [chan send]:

testing.tRunner.func1(0x1303374a0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303374a0, 0x100a7dbc0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 350 [chan send]:

testing.tRunner.func1(0x130470690)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130470690, 0x100a7def0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 275 [chan send]:

testing.tRunner.func1(0x1303372c0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1303372c0, 0x100a7dc18)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 278 [chan send]:

testing.tRunner.func1(0x130337590)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130337590, 0x100a7dbc8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 273 [chan send]:

testing.tRunner.func1(0x13038d0e0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x13038d0e0, 0x100a7dbe8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 351 [chan send]:

testing.tRunner.func1(0x130470780)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130470780, 0x100a7def8)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 352 [chan send]:

testing.tRunner.func1(0x130470870)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x130470870, 0x100a7df00)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 347 [chan send]:

testing.tRunner.func1(0x1304703c0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x1304703c0, 0x100a7de88)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 322 [chan send]:

testing.tRunner.func1(0x13038d1d0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x13038d1d0, 0x100a7e930)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 366 [chan send]:

testing.tRunner.func1(0x13038def0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

testing.tRunner(0x13038def0, 0x100a7de40)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:794 +0xdc

created by testing.(*T).Run

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:835 +0x22c



goroutine 365 [chan send (scan)]:

testing.tRunner.func1(0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/testing/testing.go:783 +0x1c4

fatal error: unexpected signal during runtime execution

panic during panic

[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x100661440]



runtime stack:

runtime.startpanic_m()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:690 +0x16c

runtime.startpanic()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:589 +0x14

runtime.throw(0x100a2cb7a, 0x2a)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:615 +0x54

runtime.sigpanic()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/signal_unix.go:372 +0x23c

runtime.gentraceback(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1303ef200, 0x0, 0x0, 0x64, 0x0, 0x0, 0x0, ...)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/traceback.go:290 +0x10cc

runtime.traceback1(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1303ef200, 0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/traceback.go:729 +0xbc

runtime.traceback(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1303ef200)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/traceback.go:690 +0x3c

runtime.tracebackothers(0x13013cc00)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/traceback.go:879 +0x194

runtime.dopanic_m(0x13013cc00, 0x10064079c, 0x16fcd27a0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:736 +0x270

runtime.dopanic.func1()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:598 +0x30

runtime.dopanic(0x0)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:597 +0x34

runtime.throw(0x100a18995, 0x11)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/panic.go:616 +0x5c

runtime.gentraceback(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x1303ef200, 0x0, 0x0, 0x7fffffff, 0x16fcd2c78, 0x0, 0x0, ...)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/traceback.go:302 +0x16a8

runtime.scanstack(0x1303ef200, 0x13002f270)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:786 +0xdc

runtime.scang(0x1303ef200, 0x13002f270)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/proc.go:888 +0x1b8

runtime.markroot.func1()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:264 +0x58

runtime.markroot(0x13002f270, 0x2e)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:245 +0x318

runtime.gcDrainN(0x13002f270, 0x5f558, 0x2)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:1050 +0xe8

runtime.gcAssistAlloc1(0x13013c300, 0x5f558)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:557 +0x100

runtime.gcAssistAlloc.func1()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/mgcmark.go:468 +0x28

runtime.systemstack(0x100000000)

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/asm_arm64.s:229 +0x8c

runtime.mstart()

	/private/var/folders/f6/d2bhfqss2716nxm8gkv1fmb80000gn/T/workdir-host-darwin-amd64-eliasnaur-ios/go/src/runtime/proc.go:1170

Process 518 exited with status = 2 (0x00000002) 
go_darwin_arm_exec: test timeout (test completion)
FAIL	net/http	392.050s

[andybons]

@eliasnaur can you put long logs in a <details> tag in the future? Less scrolling this way 😄

/cc @aclements

[katiehockman]

Perhaps related, we are getting a similar failures for windows-arm: https://build.golang.org/log/b89ec0a843f8656061218fe040855b9d95239654

runtime: unexpected return pc for testing.tRunner called from 0x0
stack: frame={sp:0x12c9dfb0, fp:0x12c9dfe0} stack=[0x12c9c000,0x12c9e000)
12c9df30:  0131df24 <runtime.panicmem+84>  00000000  015713fc  11ca247c 
12c9df40:  00000004  00000004  00000002  00000000 
12c9df50:  00000000  11c1dea0  00000000  11ca2460 
12c9df60:  11c1deb4  12c9df20  0152eb48  0172e868 
12c9df70:  00000000  00000101  01332a40 <runtime.sigpanic+84>  0152eb48 
12c9df80:  0172e868  0131dfec <runtime.deferproc+112>  11c1dea0  014a6c01 <runtime_test.TestPanicInlined+45> 
12c9df90:  11ca2460  11c1dea0  014a6c14 <runtime_test.TestPanicInlined+64>  013df480 <testing.tRunner+160> 
12c9dfa0:  00000004  015713fc  12bd6320  00000000 
12c9dfb0: <00000000  0134db9c <runtime.goexit+4>  12bd6320  beee954f 
12c9dfc0:  0c002d01  00000003  01734c20  124f0101 
12c9dfd0:  0134db9c <runtime.goexit+4>  11c14690  124aafe0  0134dba0 <runtime.goexit+8> 
12c9dfe0: >015709a8  00000000  12bd6320  01571400 
12c9dff0:  00000000  00000000  00000000  00000000 
fatal error: unknown caller pc

runtime stack:
runtime.throw(0x155f80b, 0x11)
	e:/workdir/go/src/runtime/panic.go:608 +0x5c fp=0x321af944 sp=0x321af930 pc=0x131f300
runtime.gentraceback(0xffffffff, 0xffffffff, 0x0, 0x11c1dea0, 0x0, 0x0, 0x7fffffff, 0x15708c8, 0x321afb70, 0x0, ...)
	e:/workdir/go/src/runtime/traceback.go:275 +0x171c fp=0x321afb28 sp=0x321af944 pc=0x13429a8
runtime.copystack(0x11c1dea0, 0x2000, 0x1)
	e:/workdir/go/src/runtime/stack.go:881 +0x1c4 fp=0x321afc40 sp=0x321afb28 pc=0x13368f0
runtime.newstack()
	e:/workdir/go/src/runtime/stack.go:1050 +0x280 fp=0x321afd08 sp=0x321afc40 pc=0x1336c4c
runtime.morestack()
	e:/workdir/go/src/runtime/asm_arm.s:420 +0x60 fp=0x321afd0c sp=0x321afd08 pc=0x134bee4

goroutine 22586 [copystack]:
strconv.bigFtoa(0x12bce038, 0x1, 0x44, 0x2, 0x66, 0x8e8a71de, 0x1ff2e4, 0xfffffff5, 0x171d308, 0x0, ...)
	e:/workdir/go/src/strconv/ftoa.go:156 +0x300 fp=0x12c9db0c sp=0x12c9db0c pc=0x135f138
strconv.genericFtoa(0x12bce038, 0x1, 0x44, 0x8e8a71de, 0x3f4ff2e4, 0x14e0d66, 0x2, 0x40, 0x22d, 0x22d, ...)
	e:/workdir/go/src/strconv/ftoa.go:150 +0x36c fp=0x12c9dc1c sp=0x12c9db0c pc=0x135ea1c
strconv.AppendFloat(0x12bce038, 0x1, 0x44, 0x8e8a71de, 0x3f4ff2e4, 0x11c74466, 0x2, 0x40, 0x14e0ddb, 0x170626c, ...)
	e:/workdir/go/src/strconv/ftoa.go:52 +0x4c fp=0x12c9dc4c sp=0x12c9dc1c pc=0x135e688
fmt.(*fmt).fmtFloat(0x12bce020, 0x8e8a71de, 0x3f4ff2e4, 0x40, 0x66, 0x6)
	e:/workdir/go/src/fmt/format.go:459 +0x60 fp=0x12c9dccc sp=0x12c9dc4c pc=0x13c18cc
fmt.(*pp).fmtFloat(0x12bce000, 0x8e8a71de, 0x3f4ff2e4, 0x40, 0x66)
	e:/workdir/go/src/fmt/print.go:413 +0x54 fp=0x12c9dce8 sp=0x12c9dccc pc=0x13c3d40
fmt.(*pp).printArg(0x12bce000, 0x15212a8, 0x11c0afc0, 0x66)
	e:/workdir/go/src/fmt/print.go:654 +0x2c4 fp=0x12c9dd30 sp=0x12c9dce8 pc=0x13c5a0c
fmt.(*pp).doPrintf(0x12bce000, 0x155aa11, 0x5, 0x12c9de00, 0x1, 0x1)
	e:/workdir/go/src/fmt/print.go:1110 +0x398 fp=0x12c9dda0 sp=0x12c9dd30 pc=0x13c907c
fmt.Sprintf(0x155aa11, 0x5, 0x124aae00, 0x1, 0x1, 0x0, 0x3)
	e:/workdir/go/src/fmt/print.go:214 +0x48 fp=0x12c9ddc8 sp=0x12c9dda0 pc=0x13c29a8
testing.fmtDuration(0xee098, 0x0, 0xd2290ca4, 0xbeee954f)
	e:/workdir/go/src/testing/testing.go:482 +0x118 fp=0x12c9de08 sp=0x12c9ddc8 pc=0x13de4f4
testing.(*T).report(0x12bd6320)
	e:/workdir/go/src/testing/testing.go:1076 +0x34 fp=0x12c9de44 sp=0x12c9de08 pc=0x13dff4c
testing.tRunner.func1(0x12bd6320)
	e:/workdir/go/src/testing/testing.go:837 +0x1cc fp=0x12c9de88 sp=0x12c9de44 pc=0x13e29f0
runtime.call16(0x0, 0x1571838, 0x11ca259c, 0x4, 0x4)
	e:/workdir/go/src/runtime/asm_arm.s:519 +0x4c fp=0x12c9de9c sp=0x12c9de88 pc=0x134c1a0
runtime.Goexit()
	e:/workdir/go/src/runtime/panic.go:397 +0x104 fp=0x12c9dec0 sp=0x12c9de9c pc=0x131e9bc
testing.(*common).FailNow(0x12bd6320)
	e:/workdir/go/src/testing/testing.go:597 +0x2c fp=0x12c9dec8 sp=0x12c9dec0 pc=0x13de79c
testing.(*common).Fatalf(0x12bd6320, 0x156e1eb, 0x3a, 0x0, 0x0, 0x0)
	e:/workdir/go/src/testing/testing.go:657 +0x64 fp=0x12c9dee8 sp=0x12c9dec8 pc=0x13dec6c
runtime_test.TestPanicInlined.func1(0x12bd6320)
	e:/workdir/go/src/runtime/crash_test.go:557 +0xfc fp=0x12c9df1c sp=0x12c9dee8 pc=0x14e0ddc
runtime.call16(0x0, 0x15713fc, 0x11ca247c, 0x4, 0x4)
	e:/workdir/go/src/runtime/asm_arm.s:519 +0x4c fp=0x12c9df30 sp=0x12c9df1c pc=0x134c1a0
panic(0x152eb48, 0x172e868)
	e:/workdir/go/src/runtime/panic.go:513 +0x194 fp=0x12c9df78 sp=0x12c9df30 pc=0x131ee9c
runtime.panicmem()
	e:/workdir/go/src/runtime/panic.go:82 +0x54 fp=0x12c9df84 sp=0x12c9df78 pc=0x131df24
runtime.sigpanic()
	e:/workdir/go/src/runtime/signal_windows.go:210 +0x54 fp=0x12c9df98 sp=0x12c9df84 pc=0x1332a40
runtime.deferproc(0x134db9c, 0x12bd6320)
	e:/workdir/go/src/runtime/panic.go:132 +0x70 fp=0x12c9dfb0 sp=0x12c9df9c pc=0x131dfec
runtime: unexpected return pc for testing.tRunner called from 0x0
stack: frame={sp:0x12c9dfb0, fp:0x12c9dfe0} stack=[0x12c9c000,0x12c9e000)
12c9df30:  0131df24 <runtime.panicmem+84>  00000000  015713fc  11ca247c 
12c9df40:  00000004  00000004  00000002  00000000 
12c9df50:  00000000  11c1dea0  00000000  11ca2460 
12c9df60:  11c1deb4  12c9df20  0152eb48  0172e868 
12c9df70:  00000000  00000101  01332a40 <runtime.sigpanic+84>  0152eb48 
12c9df80:  0172e868  0131dfec <runtime.deferproc+112>  11c1dea0  014a6c01 <runtime_test.TestPanicInlined+45> 
12c9df90:  11ca2460  11c1dea0  014a6c14 <runtime_test.TestPanicInlined+64>  013df480 <testing.tRunner+160> 
12c9dfa0:  00000004  015713fc  12bd6320  00000000 
12c9dfb0: <00000000  0134db9c <runtime.goexit+4>  12bd6320  beee954f 
12c9dfc0:  0c002d01  00000003  01734c20  124f0101 
12c9dfd0:  0134db9c <runtime.goexit+4>  11c14690  124aafe0  0134dba0 <runtime.goexit+8> 
12c9dfe0: >015709a8  00000000  12bd6320  01571400 
12c9dff0:  00000000  00000000  00000000  00000000 
testing.tRunner(0x0, 0x12bd6320)
	e:/workdir/go/src/testing/testing.go:850 +0xa0 fp=0x12c9dfe0 sp=0x12c9dfb0 pc=0x13df480
created by testing.(*T).Run
	e:/workdir/go/src/testing/testing.go:901 +0x2b4

goroutine 1 [chan receive]:
runtime.gopark(0x1570a54, 0x1251e2b0, 0x170d, 0x3)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x12511d98 sp=0x12511d84 pc=0x1320e90
runtime.goparkunlock(0x1251e2b0, 0x170d, 0x3)
	e:/workdir/go/src/runtime/proc.go:308 +0x3c fp=0x12511dac sp=0x12511d98 pc=0x1320f28
runtime.chanrecv(0x1251e280, 0x12511e34, 0x11c1c001, 0x13df7b0)
	e:/workdir/go/src/runtime/chan.go:524 +0x2c0 fp=0x12511df4 sp=0x12511dac pc=0x12f5518
runtime.chanrecv1(0x1251e280, 0x12511e34)
	e:/workdir/go/src/runtime/chan.go:406 +0x20 fp=0x12511e08 sp=0x12511df4 pc=0x12f5228
testing.(*T).Run(0x12bd6320, 0x155ecbf, 0x10, 0x1571400, 0x1)
	e:/workdir/go/src/testing/testing.go:902 +0x2d4 fp=0x12511e5c sp=0x12511e08 pc=0x13df7d0
testing.runTests.func1(0x11c9a000)
	e:/workdir/go/src/testing/testing.go:1142 +0x68 fp=0x12511e80 sp=0x12511e5c pc=0x13e2bfc
testing.tRunner(0x11c9a000, 0x11c55f00)
	e:/workdir/go/src/testing/testing.go:850 +0xa0 fp=0x12511eb0 sp=0x12511e80 pc=0x13df480
testing.runTests(0x11c04030, 0x17326d0, 0xfa, 0xfa, 0x0)
	e:/workdir/go/src/testing/testing.go:1140 +0x22c fp=0x12511f10 sp=0x12511eb0 pc=0x13e07c8
testing.(*M).Run(0x124b2080, 0x0)
	e:/workdir/go/src/testing/testing.go:1057 +0x130 fp=0x12511f70 sp=0x12511f10 pc=0x13dfb18
runtime_test.TestMain(0x124b2080)
	e:/workdir/go/src/runtime/crash_test.go:28 +0x1c fp=0x12511f94 sp=0x12511f70 pc=0x14a2da8
main.main()
	_testmain.go:1044 +0x12c fp=0x12511fc4 sp=0x12511f94 pc=0x14f4f54
runtime.main()
	e:/workdir/go/src/runtime/proc.go:201 +0x1d4 fp=0x12511fe4 sp=0x12511fc4 pc=0x1320a68
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x12511fe4 sp=0x12511fe4 pc=0x134db9c

goroutine 2 [force gc (idle)]:
runtime.gopark(0x1570a54, 0x1734838, 0x1410, 0x1)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x11c23fc4 sp=0x11c23fb0 pc=0x1320e90
runtime.goparkunlock(0x1734838, 0x1410, 0x1)
	e:/workdir/go/src/runtime/proc.go:308 +0x3c fp=0x11c23fd8 sp=0x11c23fc4 pc=0x1320f28
runtime.forcegchelper()
	e:/workdir/go/src/runtime/proc.go:251 +0xa8 fp=0x11c23fec sp=0x11c23fd8 pc=0x1320d10
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x11c23fec sp=0x11c23fec pc=0x134db9c
created by runtime.init.4
	e:/workdir/go/src/runtime/proc.go:240 +0x24

goroutine 3 [GC sweep wait]:
runtime.gopark(0x1570a54, 0x1734a78, 0x140c, 0x1)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x11c24fc0 sp=0x11c24fac pc=0x1320e90
runtime.goparkunlock(0x1734a78, 0x15a140c, 0x1)
	e:/workdir/go/src/runtime/proc.go:308 +0x3c fp=0x11c24fd4 sp=0x11c24fc0 pc=0x1320f28
runtime.bgsweep(0x11c101c0)
	e:/workdir/go/src/runtime/mgcsweep.go:71 +0x114 fp=0x11c24fe4 sp=0x11c24fd4 pc=0x1311560
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x11c24fe4 sp=0x11c24fe4 pc=0x134db9c
created by runtime.gcenable
	e:/workdir/go/src/runtime/mgc.go:208 +0x40

goroutine 18 [finalizer wait]:
runtime.gopark(0x1570a54, 0x1745c90, 0x134140f, 0x1)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x11c22f8c sp=0x11c22f78 pc=0x1320e90
runtime.goparkunlock(0x1745c90, 0x140f, 0x1)
	e:/workdir/go/src/runtime/proc.go:308 +0x3c fp=0x11c22fa0 sp=0x11c22f8c pc=0x1320f28
runtime.runfinq()
	e:/workdir/go/src/runtime/mfinal.go:175 +0x90 fp=0x11c22fec sp=0x11c22fa0 pc=0x1307504
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x11c22fec sp=0x11c22fec pc=0x134db9c
created by runtime.createfing
	e:/workdir/go/src/runtime/mfinal.go:156 +0x60

goroutine 19 [GC worker (idle)]:
runtime.gopark(0x1570980, 0x124a6000, 0xffff1417, 0x0)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x11c1ef98 sp=0x11c1ef84 pc=0x1320e90
runtime.gcBgMarkWorker(0x11c16000)
	e:/workdir/go/src/runtime/mgc.go:1729 +0xcc fp=0x11c1efe4 sp=0x11c1ef98 pc=0x130ba3c
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x11c1efe4 sp=0x11c1efe4 pc=0x134db9c
created by runtime.gcBgMarkStartWorkers
	e:/workdir/go/src/runtime/mgc.go:1677 +0x68

goroutine 34 [GC worker (idle)]:
runtime.gopark(0x1570980, 0x124a6008, 0xffff1417, 0x0)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x124aef98 sp=0x124aef84 pc=0x1320e90
runtime.gcBgMarkWorker(0x11c17300)
	e:/workdir/go/src/runtime/mgc.go:1729 +0xcc fp=0x124aefe4 sp=0x124aef98 pc=0x130ba3c
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x124aefe4 sp=0x124aefe4 pc=0x134db9c
created by runtime.gcBgMarkStartWorkers
	e:/workdir/go/src/runtime/mgc.go:1677 +0x68

goroutine 4 [syscall]:
runtime.notetsleepg(0x1736784, 0xf08eb000, 0x1b, 0x1)
	e:/workdir/go/src/runtime/lock_sema.go:280 +0x2c fp=0x11c25f90 sp=0x11c25f6c pc=0x12fad08
runtime.timerproc(0x1736770)
	e:/workdir/go/src/runtime/time.go:288 +0x42c fp=0x11c25fe4 sp=0x11c25f90 pc=0x133d044
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x11c25fe4 sp=0x11c25fe4 pc=0x134db9c
created by runtime.(*timersBucket).addtimerLocked
	e:/workdir/go/src/runtime/time.go:170 +0x134

goroutine 22 [syscall]:
runtime.notetsleepg(0x17367c4, 0xf08eb000, 0x1b, 0x124a8500)
	e:/workdir/go/src/runtime/lock_sema.go:280 +0x2c fp=0x11c20f90 sp=0x11c20f6c pc=0x12fad08
runtime.timerproc(0x17367b0)
	e:/workdir/go/src/runtime/time.go:288 +0x42c fp=0x11c20fe4 sp=0x11c20f90 pc=0x133d044
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x11c20fe4 sp=0x11c20fe4 pc=0x134db9c
created by runtime.(*timersBucket).addtimerLocked
	e:/workdir/go/src/runtime/time.go:170 +0x134

goroutine 38 [syscall]:
runtime.notetsleepg(0x1736804, 0xf08eb000, 0x1b, 0x124a8900)
	e:/workdir/go/src/runtime/lock_sema.go:280 +0x2c fp=0x124adf90 sp=0x124adf6c pc=0x12fad08
runtime.timerproc(0x17367f0)
	e:/workdir/go/src/runtime/time.go:288 +0x42c fp=0x124adfe4 sp=0x124adf90 pc=0x133d044
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x124adfe4 sp=0x124adfe4 pc=0x134db9c
created by runtime.(*timersBucket).addtimerLocked
	e:/workdir/go/src/runtime/time.go:170 +0x134

goroutine 53 [syscall]:
runtime.notetsleepg(0x1736844, 0xf08eb000, 0x1b, 0x0)
	e:/workdir/go/src/runtime/lock_sema.go:280 +0x2c fp=0x12553f90 sp=0x12553f6c pc=0x12fad08
runtime.timerproc(0x1736830)
	e:/workdir/go/src/runtime/time.go:288 +0x42c fp=0x12553fe4 sp=0x12553f90 pc=0x133d044
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x12553fe4 sp=0x12553fe4 pc=0x134db9c
created by runtime.(*timersBucket).addtimerLocked
	e:/workdir/go/src/runtime/time.go:170 +0x134

goroutine 2468 [GC worker (idle)]:
runtime.gopark(0x1570980, 0x11c0a188, 0xffff1417, 0x0)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x127baf98 sp=0x127baf84 pc=0x1320e90
runtime.gcBgMarkWorker(0x11c19900)
	e:/workdir/go/src/runtime/mgc.go:1729 +0xcc fp=0x127bafe4 sp=0x127baf98 pc=0x130ba3c
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x127bafe4 sp=0x127bafe4 pc=0x134db9c
created by runtime.gcBgMarkStartWorkers
	e:/workdir/go/src/runtime/mgc.go:1677 +0x68

goroutine 22560 [chan receive]:
runtime.gopark(0x1570a54, 0x11c10270, 0x15a170d, 0x3)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x12543ea8 sp=0x12543e94 pc=0x1320e90
runtime.goparkunlock(0x11c10270, 0x170d, 0x3)
	e:/workdir/go/src/runtime/proc.go:308 +0x3c fp=0x12543ebc sp=0x12543ea8 pc=0x1320f28
runtime.chanrecv(0x11c10240, 0x0, 0x13df101, 0x11c06401)
	e:/workdir/go/src/runtime/chan.go:524 +0x2c0 fp=0x12543f04 sp=0x12543ebc pc=0x12f5518
runtime.chanrecv1(0x11c10240, 0x0)
	e:/workdir/go/src/runtime/chan.go:406 +0x20 fp=0x12543f18 sp=0x12543f04 pc=0x12f5228
testing.(*T).Parallel(0x11c9a780)
	e:/workdir/go/src/testing/testing.go:755 +0x188 fp=0x12543f70 sp=0x12543f18 pc=0x13df200
runtime_test.TestNetpollDeadlock(0x11c9a780)
	e:/workdir/go/src/runtime/crash_test.go:405 +0x1c fp=0x12543fb4 sp=0x12543f70 pc=0x14a5594
testing.tRunner(0x11c9a780, 0x1571388)
	e:/workdir/go/src/testing/testing.go:850 +0xa0 fp=0x12543fe4 sp=0x12543fb4 pc=0x13df480
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x12543fe4 sp=0x12543fe4 pc=0x134db9c
created by testing.(*T).Run
	e:/workdir/go/src/testing/testing.go:901 +0x2b4

goroutine 2467 [GC worker (idle)]:
runtime.gopark(0x1570980, 0x1254a0e0, 0xffff1417, 0x0)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x127d6f98 sp=0x127d6f84 pc=0x1320e90
runtime.gcBgMarkWorker(0x11c18600)
	e:/workdir/go/src/runtime/mgc.go:1729 +0xcc fp=0x127d6fe4 sp=0x127d6f98 pc=0x130ba3c
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x127d6fe4 sp=0x127d6fe4 pc=0x134db9c
created by runtime.gcBgMarkStartWorkers
	e:/workdir/go/src/runtime/mgc.go:1677 +0x68

goroutine 22561 [chan receive]:
runtime.gopark(0x1570a54, 0x11c10270, 0x15a170d, 0x3)
	e:/workdir/go/src/runtime/proc.go:302 +0xd8 fp=0x127dce5c sp=0x127dce48 pc=0x1320e90
runtime.goparkunlock(0x11c10270, 0x170d, 0x3)
	e:/workdir/go/src/runtime/proc.go:308 +0x3c fp=0x127dce70 sp=0x127dce5c pc=0x1320f28
runtime.chanrecv(0x11c10240, 0x0, 0x13df101, 0x1)
	e:/workdir/go/src/runtime/chan.go:524 +0x2c0 fp=0x127dceb8 sp=0x127dce70 pc=0x12f5518
runtime.chanrecv1(0x11c10240, 0x0)
	e:/workdir/go/src/runtime/chan.go:406 +0x20 fp=0x127dcecc sp=0x127dceb8 pc=0x12f5228
testing.(*T).Parallel(0x11c9a820)
	e:/workdir/go/src/testing/testing.go:755 +0x188 fp=0x127dcf24 sp=0x127dcecc pc=0x13df200
runtime_test.TestPanicTraceback(0x11c9a820)
	e:/workdir/go/src/runtime/crash_test.go:414 +0x20 fp=0x127dcfb4 sp=0x127dcf24 pc=0x14a5734
testing.tRunner(0x11c9a820, 0x157140c)
	e:/workdir/go/src/testing/testing.go:850 +0xa0 fp=0x127dcfe4 sp=0x127dcfb4 pc=0x13df480
runtime.goexit()
	e:/workdir/go/src/runtime/asm_arm.s:871 +0x4 fp=0x127dcfe4 sp=0x127dcfe4 pc=0x134db9c
created by testing.(*T).Run
	e:/workdir/go/src/testing/testing.go:901 +0x2b4
FAIL	runtime	15.180s
2018/10/31 09:52:23 Failed: exit status 1

[katiehockman]

/cc @aclements