mirror of
https://github.com/golang/go
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22 lines
328 B
Go
22 lines
328 B
Go
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package main
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import (
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"fmt"
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"runtime"
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"unsafe"
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)
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func main() {
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p := new([1024 * 1000]int)
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p[0] = 10
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r := bar(&p[1024*1000-1])
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fmt.Printf("r value is %d", r)
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}
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func bar(a *int) int {
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p := unsafe.Add(unsafe.Pointer(a), 2*unsafe.Sizeof(int(1)))
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runtime.ASanWrite(p, 8) // BOOM
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*((*int)(p)) = 10
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return *((*int)(p))
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}
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