KUBSan & alignment

[Patrick Welche <prlw1%cam.ac.uk@localhost>]

What should one do about

UBSan: Undefined Behavior in ../../../../external/bsd/acpica/dist/events/evregion.c:611:14, load of misaligned address 0xffffffff8302d4f3 for type 'const ACPI_NAME' which requires 4 byte alignment
UBSan: Undefined Behavior in ../../../../external/bsd/acpica/dist/resources/rsaddr.c:331:22, member access within misaligned address 0xffffe967d71420e2 for type 'union AML_RESOURCE' which requires 4 byte alignment
UBSan: Undefined Behavior in ../../../../arch/x86/pci/pci_machdep.c:1134:15, member access within misaligned address 0xffffffff85a87c7c for type 'struct btinfo_framebuffer' which requires 8 byte alignment
UBSan: Undefined Behavior in ../../../../arch/x86/pci/pci_machdep.c:1161:15, member access within misaligned address 0xffffffff85a87c7c for type 'struct btinfo_framebuffer' which requires 8 byte alignment
UBSan: Undefined Behavior in ../../../../arch/x86/pci/pci_machdep.c:1169:15, member access within misaligned address 0xffffffff85a87c7c for type 'struct btinfo_framebuffer' which requires 8 byte alignment
UBSan: Undefined Behavior in ../../../../kern/subr_disk_mbr.c:620:10, member access within misaligned address 0xffffe967daa66804 for type 'struct disklabel' which requires 8 byte alignment
UBSan: Undefined Behavior in ../../../../kern/subr_disk_mbr.c:623:8, member access within misaligned address 0xffffe967daa66804 for type 'struct disklabel' which requires 8 byte alignment
UBSan: Undefined Behavior in ../../../../kern/subr_disk_mbr.c:623:8, member access within misaligned address 0xffffe967daa66804 for type 'struct disklabel' which requires 8 byte alignment

? (NetBSD-8.99.41/amd64)


P