diff options
| -rw-r--r-- | core/zstd/PKGBUILD | 15 | ||||
| -rw-r--r-- | core/zstd/zstd-1.5.1-non-x86_64-noexecstack.patch | 19 |
2 files changed, 34 insertions, 0 deletions
diff --git a/core/zstd/PKGBUILD b/core/zstd/PKGBUILD new file mode 100644 index 00000000..c1f01001 --- /dev/null +++ b/core/zstd/PKGBUILD @@ -0,0 +1,15 @@ +# make sure the stack is not executable on IA-32 +source+=('zstd-1.5.1-non-x86_64-noexecstack.patch') +sha256sums+=('eb641a066c45a96f20782396a033e4eed3c8411b848a1c89b7682df91aba1a58') +b2sums+=('6cf6fe41026f67d165cb6513f7ab1779e6b8e48bdd545d89beb7942ce12ecb0ebccf802128a02b6bb32994f22841089a67fa83f8f3a6a7e3f9b05bde8930ce5b') + +eval "$( + { + declare -f prepare || \ + printf 'prepare() {\n}\n' + } \ + | sed ' + $i cd $pkgname-$pkgver + $i patch -p1 -i "$srcdir/zstd-1.5.1-non-x86_64-noexecstack.patch" + ' +)" diff --git a/core/zstd/zstd-1.5.1-non-x86_64-noexecstack.patch b/core/zstd/zstd-1.5.1-non-x86_64-noexecstack.patch new file mode 100644 index 00000000..ebc270b6 --- /dev/null +++ b/core/zstd/zstd-1.5.1-non-x86_64-noexecstack.patch @@ -0,0 +1,19 @@ +diff -rauN zstd-1.5.1/lib/decompress/huf_decompress_amd64.S zstd-1.5.1-non-x86_64-noexecstack-patch/lib/decompress/huf_decompress_amd64.S +--- zstd-1.5.1/lib/decompress/huf_decompress_amd64.S 2021-12-20 23:49:18.000000000 +0100 ++++ zstd-1.5.1-non-x86_64-noexecstack-patch/lib/decompress/huf_decompress_amd64.S 2022-01-13 17:06:54.275942263 +0100 +@@ -1,6 +1,5 @@ + #include "../common/portability_macros.h" + +-#if ZSTD_ENABLE_ASM_X86_64_BMI2 + + /* Stack marking + * ref: https://wiki.gentoo.org/wiki/Hardened/GNU_stack_quickstart +@@ -9,6 +8,8 @@ + .section .note.GNU-stack,"",%progbits + #endif + ++#if ZSTD_ENABLE_ASM_X86_64_BMI2 ++ + /* Calling convention: + * + * %rdi contains the first argument: HUF_DecompressAsmArgs*. |