On Mon, Jun 29, 2020 at 11:54:01AM -0400, Arvind Sankar wrote: > On Sun, Jun 28, 2020 at 11:18:37PM -0700, Kees Cook wrote: > > We don't want to depend on the linker's orphan section placement > > heuristics as these can vary between linkers, and may change between > > versions. All sections need to be explicitly named in the linker > > script. > > > > Specifically, this would have made a recently fixed bug very obvious: > > > > ld: warning: orphan section `.fixup' from `arch/arm/lib/copy_from_user.o' being placed in section `.fixup' > > > > Discard unneeded sections .iplt, .rel.iplt, .igot.plt, and .modinfo. > > > > Add missing text stub sections .vfp11_veneer and .v4_bx. > > > > Add debug sections explicitly. > > > > Finally enable orphan section warning. > > This is unrelated to this patch as such, but I noticed that ARM32/64 places > the .got section inside .text -- is that expected on ARM? Do you mean in general, in the kernel vmlinux, in the decompressor vmlinux or ... ? -- RMK's Patch system: https://www.armlinux.org.uk/developer/patches/ FTTP is here! 40Mbps down 10Mbps up. Decent connectivity at last!
