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x/tools/internal/lsp: nil pointer panic in GetActionGraph #31700

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muirdm opened this issue Apr 26, 2019 · 1 comment
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x/tools/internal/lsp: nil pointer panic in GetActionGraph #31700

muirdm opened this issue Apr 26, 2019 · 1 comment
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FrozenDueToAge gopls Issues related to the Go language server, gopls.
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Unreleased

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@muirdm
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muirdm commented Apr 26, 2019

Just saw this one, not sure what I was doing.

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x1336037]

goroutine 24233 [running]:
golang.org/x/tools/internal/lsp/cache.(*Package).GetActionGraph(0x0, 0x14de860, 0xc016cf2100, 0x1788fc0, 0x0, 0x0, 0x0)
	/Users/muir/projects/tools/internal/lsp/cache/pkg.go:45 +0x77
golang.org/x/tools/internal/lsp/cache.(*Package).GetActionGraph(0xc012f15180, 0x14de860, 0xc016cf2100, 0x1788fc0, 0x0, 0x0, 0x0)
	/Users/muir/projects/tools/internal/lsp/cache/pkg.go:112 +0x62e
golang.org/x/tools/internal/lsp/cache.(*Package).GetActionGraph(0xc00545e460, 0x14de860, 0xc016cf2100, 0x1788fc0, 0x0, 0x0, 0x0)
	/Users/muir/projects/tools/internal/lsp/cache/pkg.go:112 +0x62e
golang.org/x/tools/internal/lsp/cache.(*Package).GetActionGraph(0xc00545e460, 0x14de860, 0xc016cf2100, 0x1789340, 0x0, 0x0, 0x0)
	/Users/muir/projects/tools/internal/lsp/cache/pkg.go:95 +0x2ad
golang.org/x/tools/internal/lsp/source.analyze(0x14de860, 0xc016cf2100, 0x14de9e0, 0xc0000fc400, 0xc018941900, 0x1, 0x1, 0xc018941960, 0x16, 0x16, ...)
	/Users/muir/projects/tools/internal/lsp/source/analysis.go:34 +0x111
golang.org/x/tools/internal/lsp/source.runAnalyses(0x14de860, 0xc016cf2100, 0x14de9e0, 0xc0000fc400, 0x14e2fc0, 0xc00545e460, 0xc018941bd8, 0x1, 0x1)
	/Users/muir/projects/tools/internal/lsp/source/diagnostics.go:206 +0x23c
golang.org/x/tools/internal/lsp/source.Diagnostics(0x14de860, 0xc016cf2100, 0x14de9e0, 0xc0000fc400, 0xc00ca40000, 0x3d, 0xc0052f5720, 0x1, 0x1)
	/Users/muir/projects/tools/internal/lsp/source/diagnostics.go:108 +0x7b3
golang.org/x/tools/internal/lsp.(*Server).cacheAndDiagnose.func1(0xc0000fc400, 0xc0000d47e0, 0xc00ca40000, 0x3d)
	/Users/muir/projects/tools/internal/lsp/diagnostics.go:35 +0x2a1
created by golang.org/x/tools/internal/lsp.(*Server).cacheAndDiagnose
	/Users/muir/projects/tools/internal/lsp/diagnostics.go:26 +0x2a7
@gopherbot gopherbot added this to the Unreleased milestone Apr 26, 2019
@gopherbot gopherbot added the gopls Issues related to the Go language server, gopls. label Apr 26, 2019
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Change https://golang.org/cl/174019 mentions this issue: internal/lsp: handle nil pointer in (*Package).GetActionGraph

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