| commit | 2a97388a807b6ab5538aa8f8537b2463c6988bd2 | [log] [tgz] |
|---|---|---|
| author | Alexey Dobriyan <adobriyan@gmail.com> | Fri Jun 21 21:54:50 2024 +0300 |
| committer | Kees Cook <kees@kernel.org> | Fri Jun 21 12:40:01 2024 -0700 |
| tree | d35cca0b7bd050979227c8da15643798da5ac93d | |
| parent | 60371f43e56bfad1f438621fae286e1de5bb6877 [diff] |
ELF: fix kernel.randomize_va_space double read ELF loader uses "randomize_va_space" twice. It is sysctl and can change at any moment, so 2 loads could see 2 different values in theory with unpredictable consequences. Issue exactly one load for consistent value across one exec. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Link: https://lore.kernel.org/r/3329905c-7eb8-400a-8f0a-d87cff979b5b@p183 Signed-off-by: Kees Cook <kees@kernel.org>