public boolean isInvalidOffset() {
		return sh_offset < 0 ||
			(header.is32Bit() && sh_offset == ElfConstants.ELF32_INVALID_OFFSET);
	}
Returns true if this section header's offset is invalid.

@return true if this section header's offset is invalid
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/elf/ElfSectionHeader.java