Zbigniew Jędrzejewski-Szmek
1eca770933
An rpminspect test in Fedora/RHEL is flagging our stub files as having an executable stack. The check is correct: $ readelf --wide --program-headers build/src/boot/efi/linuxx64.elf.stub | rg -i stack GNU_STACK 0x000000 0x0000000000000000 0x0000000000000000 0x000000 0x000000 RWE 0x10 It seems to be just an omission in the linker script… None of the objects that are linked into the stub are marked as requiring an executable stack: $ readelf --wide --sections build/src/boot/efi/*.c.o \ /usr/lib/gnuefi/x64/libgnuefi.a \ /usr/lib/gnuefi/x64/libefi.a \ /usr/lib/gcc/x86_64-redhat-linux/12/libgcc.a \ | rg '.note.GNU-stack.*X' (nothing) On aarch64 we end up with a nonexecutable stack, but on ia32 and x64 we get one, so this might be just a matter of defaults in the linker. It doesn't matter greatly, but let's mark the stack as non-executable to avoid the warning. Note: '-Wl,-z' is not needed, things work with just '-z'.
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