On 06/01/2026 9:18 pm, H. Peter Anvin wrote: > Currently the vdso doesn't include .note.gnu.property or a GNU noexec > stack annotation (the -z noexecstack in the linker script is > ineffective because we specify PHDRs explicitly.) > > The motivation is that the dynamic linker currently do not check > these. > > However, this is a weak excuse: the vdso*.so are also supposed to be > usable at link libraries, and there is no reason why the dynamic > linker might not want or need to check these in the future, so add > them back in -- it is trivial enough. > > Use symbolic constants for the PHDR permission flags. > > [ v4: drop unrelated formatting changes ] > [ v4.1: drop one last bogus formatting change (Brian Gerst) ] > > Signed-off-by: H. Peter Anvin (Intel) <[email protected]>
The v4/v4.1 notes will presumably want dropping before committing?
