core/zstd: patch for non-executable stack (FS32#225)

1 files changed, 19 insertions, 0 deletions

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*.