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x/tools/gopls: crash when primary diagnostics have invalid positions #66731

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czlingo opened this issue Apr 8, 2024 · 2 comments
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x/tools/gopls: crash when primary diagnostics have invalid positions #66731

czlingo opened this issue Apr 8, 2024 · 2 comments
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@findleyr
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FrozenDueToAge gopls Issues related to the Go language server, gopls. Tools This label describes issues relating to any tools in the x/tools repository.
Milestone
gopls/v0.15.3

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@czlingo
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czlingo commented Apr 8, 2024

gopls version: v0.15.2/go1.22.0
gopls flags:
update flags: proxy
extension version: 0.41.2
environment: Visual Studio Code linux
initialization error: undefined
issue timestamp: Mon, 08 Apr 2024 02:53:47 GMT
restart history:
Wed, 03 Apr 2024 01:36:12 GMT: activation (enabled: true)

ATTENTION: PLEASE PROVIDE THE DETAILS REQUESTED BELOW.

Describe what you observed.

panic: runtime error: index out of range [0] with length 0

goroutine 2303 [running]:
golang.org/x/tools/gopls/internal/cache.typeErrorsToDiagnostics.func1({0xc00070cc00, 0x8, 0x41c078%3F})
	  check.go:1915  0xe65
golang.org/x/tools/gopls/internal/cache.typeErrorsToDiagnostics(0x0%3F, {0xc002201b08%3F, 0xc000375040%3F, 0x46%3F}, {0xfd5f19%3F, 0x4%3F}, 0x0%3F, 0x1b%3F)
	  check.go:1940  0x18a
golang.org/x/tools/gopls/internal/cache.(*typeCheckBatch).checkPackage(0xc002c65da0, {0x1293e08, 0xc001aafe00}, 0xc0006a39e0)
	  check.go:1587  0xeeb
golang.org/x/tools/gopls/internal/cache.(*typeCheckBatch).handleSyntaxPackage(0xc002c65da0, {0x1293e08, 0xc001aafe00}, 0x0, {0xc0006ed890, 0x22})
	  check.go:563  0x5e5
golang.org/x/tools/gopls/internal/cache.(*Snapshot).forEachPackageInternal.func2()
	  check.go:414  0x2b
golang.org/x/sync/errgroup.(*Group).Go.func1()
	  errgroup.go:78  0x56
created by golang.org/x/sync/errgroup.(*Group).Go in goroutine 90
	  errgroup.go:75  0x96
gopls stats -anon { "DirStats": { "Files": 274, "TestdataFiles": 0, "GoFiles": 270, "ModFiles": 1, "Dirs": 94 }, "GOARCH": "amd64", "GOOS": "linux", "GOPACKAGESDRIVER": "", "GOPLSCACHE": "", "GoVersion": "go1.22.0", "GoplsVersion": "v0.15.2", "InitialWorkspaceLoadDuration": "511.819507ms", "MemStats": { "HeapAlloc": 30673448, "HeapInUse": 53641216, "TotalAlloc": 386990840 }, "WorkspaceStats": { "Files": { "Total": 1262, "Largest": 395026, "Errs": 0 }, "Views": [ { "GoCommandVersion": "go1.22.0", "AllPackages": { "Packages": 244, "LargestPackage": 161, "CompiledGoFiles": 1270, "Modules": 9 }, "WorkspacePackages": { "Packages": 89, "LargestPackage": 31, "CompiledGoFiles": 283, "Modules": 1 }, "Diagnostics": 348 } ] } }

OPTIONAL: If you would like to share more information, you can attach your complete gopls logs.

NOTE: THESE MAY CONTAIN SENSITIVE INFORMATION ABOUT YOUR CODEBASE.
DO NOT SHARE LOGS IF YOU ARE WORKING IN A PRIVATE REPOSITORY.

<OPTIONAL: ATTACH LOGS HERE>
@findleyr findleyr changed the title gopls: automated issue report (crash) x/tools/gopls: crash when primary diagnostics have invalid positions Apr 8, 2024
@findleyr findleyr transferred this issue from golang/vscode-go Apr 8, 2024
@findleyr findleyr self-assigned this Apr 8, 2024
@findleyr findleyr added this to the gopls/v0.15.3 milestone Apr 8, 2024
@gopherbot gopherbot added Tools This label describes issues relating to any tools in the x/tools repository. gopls Issues related to the Go language server, gopls. labels Apr 8, 2024
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Change https://go.dev/cl/577259 mentions this issue: gopls/internal/cache: avoid panic when the primary diagnostic is broken

@gopherbot
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Change https://go.dev/cl/577303 mentions this issue: [gopls-release-branch.0.15] gopls/internal/cache: avoid panic when the primary diagnostic is broken

gopherbot pushed a commit to golang/tools that referenced this issue Apr 8, 2024
@findleyr @gopherbot
[gopls-release-branch.0.15] gopls/internal/cache: avoid panic when th…
dda1721 
…e primary diagnostic is broken

If the primary diagnostic has invalid position information (due to a bug
in the parser or AST fix logic), gopls may panics when linking primary
and related information. Avoid this panic.

Updates golang/go#66731
Updates golang/go#66730

Change-Id: Ie2f95d158a1c93d00603a7ce4d38d8097bd8cb08
Reviewed-on: https://go-review.googlesource.com/c/tools/+/577259
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Alan Donovan <adonovan@google.com>
(cherry picked from commit f41d27e)
Reviewed-on: https://go-review.googlesource.com/c/tools/+/577303
Auto-Submit: Robert Findley <rfindley@google.com>
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FrozenDueToAge gopls Issues related to the Go language server, gopls. Tools This label describes issues relating to any tools in the x/tools repository.
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