From 73d195966deacbd30a7c62ad922b66dfba804ccc Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Fri, 29 Apr 2022 14:02:17 +0100 Subject: aarch64: elf: avoid loading incompatible binaries Prevent lp64 ld.so loading purecap binaries. --- sysdeps/aarch64/dl-machine.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'sysdeps') diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h index ae8b144..f31695a 100644 --- a/sysdeps/aarch64/dl-machine.h +++ b/sysdeps/aarch64/dl-machine.h @@ -36,7 +36,8 @@ static inline int __attribute__ ((unused)) elf_machine_matches_host (const ElfW(Ehdr) *ehdr) { - return ehdr->e_machine == EM_AARCH64; + return ehdr->e_machine == EM_AARCH64 + && (ehdr->e_flags & EF_AARCH64_CHERI_PURECAP) == 0; } /* Return the run-time load address of the shared object. */ -- cgit v1.1