From f037af6ecbc3b55042c998a59ed8df8548e64b99 Mon Sep 17 00:00:00 2001 From: Ross Burton Date: Wed, 24 Mar 2021 11:58:19 +0000 Subject: [PATCH] OvmfPkg: strip build paths in release builds GenFw will embed a NB10 section which contains the path to the input file, which means the output files have build paths embedded in them. To reduce information leakage and ensure reproducible builds, pass --zero in release builds to remove this information. Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3256 Signed-off-by: Ross Burton Message-Id: <20210324115819.605436-1-ross.burton@arm.com> Reviewed-by: Laszlo Ersek --- OvmfPkg/AmdSev/AmdSevX64.dsc | 1 + OvmfPkg/Bhyve/BhyveX64.dsc | 1 + OvmfPkg/OvmfPkgIa32.dsc | 1 + OvmfPkg/OvmfPkgIa32X64.dsc | 1 + OvmfPkg/OvmfPkgX64.dsc | 1 + OvmfPkg/OvmfXen.dsc | 1 + 6 files changed, 6 insertions(+) diff --git a/OvmfPkg/AmdSev/AmdSevX64.dsc b/OvmfPkg/AmdSev/AmdSevX64.dsc index 65c42284d9..69a05feea9 100644 --- a/OvmfPkg/AmdSev/AmdSevX64.dsc +++ b/OvmfPkg/AmdSev/AmdSevX64.dsc @@ -78,6 +78,7 @@ GCC:*_*_X64_GENFW_FLAGS = --keepexceptiontable INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable !endif + RELEASE_*_*_GENFW_FLAGS = --zero # # Disable deprecated APIs. diff --git a/OvmfPkg/Bhyve/BhyveX64.dsc b/OvmfPkg/Bhyve/BhyveX64.dsc index 4a1cdf5aca..132f55cf69 100644 --- a/OvmfPkg/Bhyve/BhyveX64.dsc +++ b/OvmfPkg/Bhyve/BhyveX64.dsc @@ -76,6 +76,7 @@ GCC:*_*_X64_GENFW_FLAGS = --keepexceptiontable INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable !endif + RELEASE_*_*_GENFW_FLAGS = --zero # # Disable deprecated APIs. diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 1eaf3e99c6..93c209950c 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -80,6 +80,7 @@ !if $(TOOL_CHAIN_TAG) != "XCODE5" && $(TOOL_CHAIN_TAG) != "CLANGPDB" GCC:*_*_*_CC_FLAGS = -mno-mmx -mno-sse !endif + RELEASE_*_*_GENFW_FLAGS = --zero # # Disable deprecated APIs. diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index 4a5a430147..97cc438250 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -84,6 +84,7 @@ GCC:*_*_X64_GENFW_FLAGS = --keepexceptiontable INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable !endif + RELEASE_*_*_GENFW_FLAGS = --zero # # Disable deprecated APIs. diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index d4d601b444..f544fb04bf 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -84,6 +84,7 @@ GCC:*_*_X64_GENFW_FLAGS = --keepexceptiontable INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable !endif + RELEASE_*_*_GENFW_FLAGS = --zero # # Disable deprecated APIs. diff --git a/OvmfPkg/OvmfXen.dsc b/OvmfPkg/OvmfXen.dsc index 507029404f..fcaa35acf1 100644 --- a/OvmfPkg/OvmfXen.dsc +++ b/OvmfPkg/OvmfXen.dsc @@ -74,6 +74,7 @@ GCC:*_*_X64_GENFW_FLAGS = --keepexceptiontable INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable !endif + RELEASE_*_*_GENFW_FLAGS = --zero # # Disable deprecated APIs. -- 2.39.5