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x/tools/gopls: crash in import organization #40208

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littldr opened this issue Jul 14, 2020 · 4 comments
Closed

x/tools/gopls: crash in import organization #40208

littldr opened this issue Jul 14, 2020 · 4 comments
Labels
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/v0.4.4

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@littldr
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littldr commented Jul 14, 2020

Describe what you observed.

I've installed the extension (and the recommended tools) and opened a go file which contains only the package definition, like this:

package protocol

The gopls server crashed immediately. Adding an empty newline to the file and reloading the editor fixes this error.

Stacktrace

[Info  - 8:51:45 AM] 2020/07/14 08:51:45 go/packages.Load
	snapshot=1
	package_path="command-line-arguments"
	files=[/Users/andi/Workspace/hub/protocol/parser.go]

panic: runtime error: slice bounds out of range [:17] with capacity 16

goroutine 81 [running]:
golang.org/x/tools/internal/lsp/source.importPrefix(0xc0000aa420, 0x10, 0x10, 0xc0004b09a0, 0x0)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/source/format.go:211 +0x2aa
golang.org/x/tools/internal/lsp/source.computeFixEdits(0x1a7a000, 0xc0000df600, 0x1a68220, 0xc00016ffe0, 0xc0004b4740, 0xc0000aa420, 0x10, 0x10, 0xc00043d2c0, 0x0, ...)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/source/format.go:156 +0x5d
golang.org/x/tools/internal/lsp/source.computeImportEdits(0x1a68020, 0xc0002dd1d0, 0x1a7a000, 0xc0000df600, 0x1a68220, 0xc00016ffe0, 0xc0004b4740, 0x0, 0xc0004b0d78, 0xc000032c00, ...)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/source/format.go:112 +0x26d
golang.org/x/tools/internal/lsp/source.AllImportsFixes.func1(0xc0004b4740, 0xc0004b4740, 0xc0002dd1d0)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/source/format.go:84 +0xeb
golang.org/x/tools/internal/lsp/cache.(*View).RunProcessEnvFunc(0xc0000df600, 0x1a68020, 0xc0002dd1d0, 0xc000097a90, 0x0, 0x0)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/cache/view.go:421 +0x197
golang.org/x/tools/internal/lsp/source.AllImportsFixes(0x1a68020, 0xc0002dd1d0, 0x1a7b060, 0xc000109880, 0x1a6be20, 0xc000426060, 0xc000379800, 0xc000320870, 0x5, 0x5, ...)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/source/format.go:83 +0x2d5
golang.org/x/tools/internal/lsp.(*Server).codeAction(0xc00030f300, 0x1a67f60, 0xc000400880, 0xc000109b00, 0xc000109b00, 0x0, 0x0, 0x0, 0xc0004956b0)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/code_action.go:82 +0x158b
golang.org/x/tools/internal/lsp.(*Server).CodeAction(0xc00030f300, 0x1a67f60, 0xc000400880, 0xc000109b00, 0xc000109b00, 0x0, 0x0, 0x1a665e0, 0xc0000ba120)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/server_gen.go:12 +0x4d
golang.org/x/tools/internal/lsp/protocol.serverDispatch(0x1a67f60, 0xc000400880, 0x1a823e0, 0xc00030f300, 0xc0002dca50, 0x1a681a0, 0xc000400800, 0x0, 0x0, 0xbfbb73606c136e98)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/protocol/tsserver.go:311 +0x1c8a
golang.org/x/tools/internal/lsp/protocol.ServerHandler.func1(0x1a67f60, 0xc000400880, 0xc0002dca50, 0x1a681a0, 0xc000400800, 0x0, 0x0)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/protocol/protocol.go:62 +0xc0
golang.org/x/tools/internal/lsp/lsprpc.handshaker.func1(0x1a67f60, 0xc000400880, 0xc0002dca50, 0x1a681a0, 0xc000400800, 0x0, 0x0)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/lsp/lsprpc/lsprpc.go:509 +0x40e
golang.org/x/tools/internal/jsonrpc2.MustReplyHandler.func1(0x1a67f60, 0xc000400880, 0xc000438140, 0x1a681a0, 0xc000400800, 0x0, 0x0)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/jsonrpc2/handler.go:35 +0xd3
golang.org/x/tools/internal/jsonrpc2.AsyncHandler.func1.2(0xc000312f60, 0xc000425a70, 0xc0004060b0, 0x1a67f60, 0xc000400880, 0xc000438140, 0x1a681a0, 0xc000400800)
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/jsonrpc2/handler.go:103 +0x86
created by golang.org/x/tools/internal/jsonrpc2.AsyncHandler.func1
	/Users/andi/.asdf/installs/golang/1.14/packages/pkg/mod/golang.org/x/tools@v0.0.0-20200708181441-6004c8539734/internal/jsonrpc2/handler.go:100 +0x171
[Error - 8:51:45 AM] Connection to server got closed. Server will not be restarted.
[Error - 8:51:45 AM] Request textDocument/codeAction failed.
Error: Connection got disposed.
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:904:25)
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:74:35)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2309:42)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/main.js:155:15)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2296:18)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:240:26)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at StreamMessageReader.fireClose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
	at Socket.<anonymous> (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
	at Socket.emit (events.js:208:15)
	at Pipe.<anonymous> (net.js:588:12)
[Error - 8:51:45 AM] Request textDocument/documentLink failed.
Error: Connection got disposed.
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:904:25)
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:74:35)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2309:42)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/main.js:155:15)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2296:18)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:240:26)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at StreamMessageReader.fireClose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
	at Socket.<anonymous> (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
	at Socket.emit (events.js:208:15)
	at Pipe.<anonymous> (net.js:588:12)
[Error - 8:51:45 AM] Request textDocument/foldingRange failed.
Error: Connection got disposed.
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:904:25)
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:74:35)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2309:42)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/main.js:155:15)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2296:18)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:240:26)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at StreamMessageReader.fireClose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
	at Socket.<anonymous> (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
	at Socket.emit (events.js:208:15)
	at Pipe.<anonymous> (net.js:588:12)
[Error - 8:51:45 AM] Request textDocument/codeLens failed.
Error: Connection got disposed.
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:904:25)
	at Object.dispose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:74:35)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2309:42)
	at LanguageClient.handleConnectionClosed (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/main.js:155:15)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-languageclient/lib/client.js:2296:18)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at closeHandler (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/main.js:240:26)
	at CallbackList.invoke (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:62:39)
	at Emitter.fire (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/events.js:121:36)
	at StreamMessageReader.fireClose (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:111:27)
	at Socket.<anonymous> (/Users/andi/.vscode/extensions/golang.go-0.15.1/node_modules/vscode-jsonrpc/lib/messageReader.js:151:46)
	at Socket.emit (events.js:208:15)
	at Pipe.<anonymous> (net.js:588:12)

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>
@stamblerre
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Thank you for the report!

/cc @pjweinbgo @heschik

@stamblerre stamblerre changed the title gopls: automated issue report (crash) x/tools/gopls: crash in imports Jul 14, 2020
@stamblerre stamblerre changed the title x/tools/gopls: crash in imports x/tools/gopls: crash in import organization Jul 14, 2020
@stamblerre stamblerre transferred this issue from golang/vscode-go Jul 14, 2020
@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 Jul 14, 2020
@gopherbot gopherbot added this to the Unreleased milestone Jul 14, 2020
@stamblerre stamblerre modified the milestones: Unreleased, gopls/v0.4.4 Jul 14, 2020
@pjweinb
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pjweinb commented Jul 14, 2020

off by one. (token.Pos is 1-based) CL in progress

Thank you for the report.

@gopherbot
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Change https://golang.org/cl/242638 mentions this issue: internal/lsp: avoid panic caused by assuming file ends with newline

@pjweinb
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pjweinb commented Jul 14, 2020

change 242638 fixes it.

@pjweinb pjweinb self-assigned this Jul 14, 2020
@golang golang locked and limited conversation to collaborators Jul 14, 2021
@rsc rsc unassigned pjweinb Jun 23, 2022
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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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@littldr @pjweinb @stamblerre @gopherbot