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* [glibc/arm/morello/main] aarch64: elf: avoid loading incompatible binaries
@ 2022-11-23 14:47 Szabolcs Nagy
  0 siblings, 0 replies; 3+ messages in thread
From: Szabolcs Nagy @ 2022-11-23 14:47 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c14096c2d31897465acf062bfe8ce2ebc510b866

commit c14096c2d31897465acf062bfe8ce2ebc510b866
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Fri Apr 29 14:02:17 2022 +0100

    aarch64: elf: avoid loading incompatible binaries
    
    Prevent lp64 ld.so loading purecap binaries.

Diff:
---
 sysdeps/aarch64/dl-machine.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h
index ae8b14425a..f31695aff1 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.  */

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [glibc/arm/morello/main] aarch64: elf: avoid loading incompatible binaries
@ 2022-10-27 13:58 Szabolcs Nagy
  0 siblings, 0 replies; 3+ messages in thread
From: Szabolcs Nagy @ 2022-10-27 13:58 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=73d195966deacbd30a7c62ad922b66dfba804ccc

commit 73d195966deacbd30a7c62ad922b66dfba804ccc
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Fri Apr 29 14:02:17 2022 +0100

    aarch64: elf: avoid loading incompatible binaries
    
    Prevent lp64 ld.so loading purecap binaries.

Diff:
---
 sysdeps/aarch64/dl-machine.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h
index ae8b14425a..f31695aff1 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.  */

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [glibc/arm/morello/main] aarch64: elf: avoid loading incompatible binaries
@ 2022-10-26 15:19 Szabolcs Nagy
  0 siblings, 0 replies; 3+ messages in thread
From: Szabolcs Nagy @ 2022-10-26 15:19 UTC (permalink / raw)
  To: glibc-cvs

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=be17e8b5fb37550d3b6ce373d6c74b5409a0833c

commit be17e8b5fb37550d3b6ce373d6c74b5409a0833c
Author: Szabolcs Nagy <szabolcs.nagy@arm.com>
Date:   Fri Apr 29 14:02:17 2022 +0100

    aarch64: elf: avoid loading incompatible binaries
    
    Prevent lp64 ld.so loading purecap binaries.

Diff:
---
 sysdeps/aarch64/dl-machine.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sysdeps/aarch64/dl-machine.h b/sysdeps/aarch64/dl-machine.h
index ae8b14425a..f31695aff1 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.  */

^ permalink raw reply	[flat|nested] 3+ messages in thread

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