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cmd/asm: nil deref #11765

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dvyukov opened this issue Jul 17, 2015 · 1 comment
Closed

cmd/asm: nil deref #11765

dvyukov opened this issue Jul 17, 2015 · 1 comment
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Go1.6Early

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@dvyukov
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dvyukov commented Jul 17, 2015

cmd/asm crashes on the following program:

TEXT%

panic: runtime error: invalid memory address or nil pointer dereference
[signal 0xb code=0x1 addr=0x0 pc=0x484aa4]

goroutine 1 [running]:
cmd/asm/internal/asm.(*Parser).validateSymbol(0xc820043e80, 0x60c268, 0x4, 0xc820043898, 0x0)
    src/cmd/asm/internal/asm/asm.go:69 +0x394
cmd/asm/internal/asm.(*Parser).asmText(0xc820043e80, 0xc820010710, 0x4, 0xc820043b40, 0x1, 0x3)
    src/cmd/asm/internal/asm/asm.go:104 +0x17b
cmd/asm/internal/asm.(*Parser).pseudo(0xc820043e80, 0xd, 0xc820010710, 0x4, 0xc820043b40, 0x1, 0x3)
    src/cmd/asm/internal/asm/parse.go:212 +0x222
cmd/asm/internal/asm.(*Parser).line(0xc820043e80, 0xc82000a520)
    src/cmd/asm/internal/asm/parse.go:180 +0x9ac
cmd/asm/internal/asm.(*Parser).Parse(0xc820043e80, 0xc82000a520, 0xc820014750)
    src/cmd/asm/internal/asm/parse.go:81 +0x21
main.main()
    src/cmd/asm/main.go:59 +0xb39

go version devel +9b04852 Sat Jul 11 00:08:50 2015 +0000 linux/amd64
@ianlancetaylor ianlancetaylor added this to the Go1.6 milestone Jul 17, 2015
@robpike robpike modified the milestones: Go1.6Early, Go1.6 Aug 26, 2015
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CL https://golang.org/cl/13925 mentions this issue.

@robpike robpike closed this as completed in df37c4b Sep 2, 2015
@golang golang locked and limited conversation to collaborators Sep 4, 2016
@rsc rsc unassigned robpike Jun 23, 2022
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