linux-kernel - [PATCH v3 2/2] riscv: Check that vdso does not contain any dynamic relocations

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20241016083625.136311-3-alexghiti@rivosinc.com>
Date: Wed, 16 Oct 2024 10:36:25 +0200
From: Alexandre Ghiti <alexghiti@...osinc.com>
To: Vladimir Isaev <vladimir.isaev@...tacore.com>,
	Roman Artemev <roman.artemev@...tacore.com>,
	Guo Ren <guoren@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Cc: Alexandre Ghiti <alexghiti@...osinc.com>,
	Björn Töpel <bjorn@...osinc.com>
Subject: [PATCH v3 2/2] riscv: Check that vdso does not contain any dynamic relocations

Like other architectures, use the common cmd_vdso_check to make sure of
that.

Reviewed-by: Björn Töpel <bjorn@...osinc.com>
Tested-by: Vladimir Isaev <vladimir.isaev@...tacore.com>
Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>
---
 arch/riscv/kernel/vdso/Makefile | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile
index 3f1c4b2d0b06..9a1b555e8733 100644
--- a/arch/riscv/kernel/vdso/Makefile
+++ b/arch/riscv/kernel/vdso/Makefile
@@ -45,7 +45,7 @@ $(obj)/vdso.o: $(obj)/vdso.so
 
 # link rule for the .so file, .lds has to be first
 $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE
-	$(call if_changed,vdsold)
+	$(call if_changed,vdsold_and_check)
 LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \
 	--build-id=sha1 --hash-style=both --eh-frame-hdr
 
@@ -65,7 +65,8 @@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE
 # actual build commands
 # The DSO images are built using a special linker script
 # Make sure only to export the intended __vdso_xxx symbol offsets.
-quiet_cmd_vdsold = VDSOLD  $@
-      cmd_vdsold = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@...p && \
+quiet_cmd_vdsold_and_check = VDSOLD  $@
+      cmd_vdsold_and_check = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@...p && \
                    $(OBJCOPY) $(patsubst %, -G __vdso_%, $(vdso-syms)) $@...p $@ && \
-                   rm $@...p
+                   rm $@...p && \
+                   $(cmd_vdso_check)
-- 
2.39.2