cmd/compile: deadlock in sync.Mutex.Lock

[karalabe]

Go version

go1.23-alpine

Output of go env in your module/workspace:

-

What did you do?

I've tried to cross build our project to riscv64, via docker alpine:latest.

What did you see happen?

Build failed with a compiler bug (IMO):

------                                                                                                                                                                                                      
 > [builder 7/7] RUN cd /go-ethereum && go run build/ci.go install -static ./cmd/geth:                                                                                                                      
21.80 # vendor/golang.org/x/crypto/internal/poly1305                                                                                                                                                        
21.80 fatal error: all goroutines are asleep - deadlock!                                                                                                                                                    
21.80                                                                                                                                                                                                       
21.80 goroutine 1 [semacquire]:                                                                                                                                                                             
21.80 sync.runtime_Semacquire(0xc0008a0740?)
21.80 	runtime/sema.go:71 +0x38
21.80 sync.(*WaitGroup).Wait(0xc0008a0740)
21.80 	sync/waitgroup.go:118 +0x64
21.80 cmd/compile/internal/gc.compileFunctions(0x0)
21.80 	cmd/compile/internal/gc/compile.go:200 +0x258
21.80 cmd/compile/internal/gc.Main(0x9ce378)
21.80 	cmd/compile/internal/gc/main.go:306 +0x10fc
21.80 main.main()
21.80 	cmd/compile/main.go:57 +0x118
21.80 
21.80 goroutine 7 [select]:
21.80 cmd/compile/internal/gc.compileFunctions.func3()
21.80 	cmd/compile/internal/gc/compile.go:158 +0xf8
21.80 created by cmd/compile/internal/gc.compileFunctions in goroutine 1
21.80 	cmd/compile/internal/gc/compile.go:151 +0x104
21.80 
21.80 goroutine 51 [sync.Mutex.Lock]:
21.80 sync.runtime_SemacquireMutex(0x1e6200?, 0x7c?, 0xc0000af050?)
21.80 	runtime/sema.go:95 +0x44
21.80 sync.(*Mutex).lockSlow(0xc0004a4078)
21.80 	sync/mutex.go:173 +0x180
21.80 sync.(*Mutex).Lock(...)
21.80 	sync/mutex.go:92
21.80 cmd/internal/obj.(*Link).LookupInit(0xc0004a4008, {0xc000b0a450, 0x12}, 0x0)
21.80 	cmd/internal/obj/sym.go:127 +0x8c
21.80 cmd/internal/obj.(*Link).Lookup(...)
21.80 	cmd/internal/obj/sym.go:120
21.80 cmd/compile/internal/dwarfgen.createComplexVar(0xc000865b80, 0xc000b72390?, 0x6c1340?, 0x0)
21.80 	cmd/compile/internal/dwarfgen/dwarf.go:528 +0x324
21.80 cmd/compile/internal/dwarfgen.createComplexVars(...)
21.80 	cmd/compile/internal/dwarfgen/dwarf.go:485
21.80 cmd/compile/internal/dwarfgen.createDwarfVars(0xc000865b80, 0x60?, 0xc00067f540, {0xc0000a2ba0, 0x3, 0x4}, 0x0)
21.80 	cmd/compile/internal/dwarfgen/dwarf.go:167 +0xe1c
21.80 cmd/compile/internal/dwarfgen.Info(0xc000865b80, 0xc0008bc100, {0xb07738?, 0xc00067f540})
21.80 	cmd/compile/internal/dwarfgen/dwarf.go:123 +0x238
21.80 cmd/internal/obj.(*Link).populateDWARF(...)
21.80 	cmd/internal/obj/dwarf.go:346
21.80 cmd/internal/obj.Flushplist(0xc0004a4008, 0xc000b6ff38, 0xc0000c52e0)
21.80 	cmd/internal/obj/plist.go:173 +0xf24
21.80 cmd/compile/internal/objw.(*Progs).Flush(...)
21.80 	cmd/compile/internal/objw/prog.go:112
21.80 cmd/compile/internal/ssagen.Compile(0xc00067f540, 0x1, 0x0?)
21.80 	cmd/compile/internal/ssagen/pgen.go:327 +0x6c0
21.80 cmd/compile/internal/gc.compileFunctions.func5.1(0x0?)
21.80 	cmd/compile/internal/gc/compile.go:188 +0x4c
21.80 cmd/compile/internal/gc.compileFunctions.func3.1()
21.80 	cmd/compile/internal/gc/compile.go:170 +0x40
21.80 created by cmd/compile/internal/gc.compileFunctions.func3 in goroutine 7
21.80 	cmd/compile/internal/gc/compile.go:169 +0x208

What did you expect to see?

Restarting the build finished without issues.

[gabyhelp]

Related Issues

• cmd/compile/internal/types: concurrent map read and map write while compiling #21352 (closed)
• Panic during compilation of go program #18615 (closed)
• cmd/compile: compiler crash #15776 (closed)
• cmd/compile: panic during late opt while compiling (*ecdheKeyAgreement).processServerKeyExchange #27142 (closed)
• cmd/compile: arm64 fatal error when compiling docker #13854 (closed)
• runtime: SIGILL in dispatch_semaphore_wait #32690 (closed)
• cmd/compile: go build panic #20361 (closed)
• build "go-ethereum" with `-linkshared` failed: /usr/local/go/pkg/tool/linux_amd64/link: running gcc failed: exit status 1 #37080 (closed)
• all: failed to buld from source with commit fe954ea1e28f8ece95ce00d51312ac095071b2d8 #30650 (closed)
• cmd/compile: panic while compiling empty package in a loop #16726 (closed)

_{(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)}

[mvdan]

Did you mean to add an issue title?

[seankhliao]

what's the actual go command that fails?
also please complete the issue template

[karalabe]

@mvdan Oh sorry, I missed the title. Was editing this at 2AM and must have had a brain fart.

@seankhliao It's was pretty standard go build

/usr/local/go/bin/go build -ldflags "--buildid=none -X github.com/ethereum/go-ethereum/internal/version.gitCommit=ce433f7000987e8b0497a8287239d2a30b6d7b96 -X github.com/ethereum/go-ethereum/internal/version.gitDate=20241108 -extldflags '-Wl,-z,stack-size=0x800000,--build-id=none,--strip-all -static'" -tags urfave_cli_no_docs,ckzg,osusergo,netgo -trimpath -v -o /go-ethereum/build/bin/geth ./cmd/geth

[gopherbot]

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