go-delve/delve · error

error while reading spliced memory at %#x: %v

Error message

error while reading spliced memory at %#x: %v

What it means

Error "error while reading spliced memory at %#x: %v" thrown in go-delve/delve.

Source

Thrown at pkg/proc/core/core.go:124

		if entry.offset+entry.length <= addr {
			if !started {
				continue
			}
			return n, fmt.Errorf("hit unmapped area at %v after %v bytes", addr, n)
		}

		// The reading of the memory has been started after the first iteration
		started = true

		// Don't go past the region.
		pb := buf
		if addr+uint64(len(buf)) > entry.offset+entry.length {
			pb = pb[:entry.offset+entry.length-addr]
		}
		pn, err := entry.reader.ReadMemory(pb, addr)
		n += pn
		if err != nil {
			return n, fmt.Errorf("error while reading spliced memory at %#x: %v", addr, err)
		}
		if pn != len(pb) {
			return n, nil
		}
		buf = buf[pn:]
		addr += uint64(pn)
		if len(buf) == 0 {
			// Done, don't bother scanning the rest.
			return n, nil
		}
	}
	if n == 0 {
		return 0, fmt.Errorf("offset %v did not match any regions", addr)
	}
	return n, nil
}

// offsetReaderAt wraps a ReaderAt into a MemoryReader, subtracting a fixed

View on GitHub (pinned to a23773e6c3)

When it happens

Trigger: Thrown at pkg/proc/core/core.go:124 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of go-delve/delve@a23773e6c3 (2026-08-31). Data as JSON: /api/errors/e96e2e32bc34b34e. Report an issue: GitHub.