diff options
3 files changed, 63 insertions, 1 deletions
diff --git a/meta/recipes-core/glibc/glibc/0026-x86-Fix-define-STRCPY-guard-in-strcpy-sse2.S.patch b/meta/recipes-core/glibc/glibc/0026-x86-Fix-define-STRCPY-guard-in-strcpy-sse2.S.patch new file mode 100644 index 0000000000..2d14a4c619 --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0026-x86-Fix-define-STRCPY-guard-in-strcpy-sse2.S.patch @@ -0,0 +1,28 @@ +From 1d4d09d9dff96f46674262534ce1f0e51a8252cb Mon Sep 17 00:00:00 2001 +From: Noah Goldstein <goldstein.w.n@gmail.com> +Date: Sun, 7 Aug 2022 22:42:30 +0800 +Subject: [PATCH] x86: Fix `#define STRCPY` guard in strcpy-sse2.S + +`#ifndef STPCPY` is incorrect for checking if `STRCPY` is already +defined. It doesn't end up mattering as the whole check is +guarded by `#if IS_IN (libc)` but is incorrect none the less. + +Upstream-Status: Submitted [https://sourceware.org/bugzilla/show_bug.cgi?id=29454 https://sourceware.org/pipermail/libc-alpha/2022-August/141289.html] +Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> +--- + sysdeps/x86_64/multiarch/strcpy-sse2.S | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/sysdeps/x86_64/multiarch/strcpy-sse2.S b/sysdeps/x86_64/multiarch/strcpy-sse2.S +index e29b411314..d6b9bae5f8 100644 +--- a/sysdeps/x86_64/multiarch/strcpy-sse2.S ++++ b/sysdeps/x86_64/multiarch/strcpy-sse2.S +@@ -22,7 +22,7 @@ + + # include <sysdep.h> + +-# ifndef STPCPY ++# ifndef STRCPY + # define STRCPY __strcpy_sse2 + # endif + diff --git a/meta/recipes-core/glibc/glibc/0027-elf-Replace-strcpy-call-with-memcpy-BZ-29454.patch b/meta/recipes-core/glibc/glibc/0027-elf-Replace-strcpy-call-with-memcpy-BZ-29454.patch new file mode 100644 index 0000000000..1b347b3322 --- /dev/null +++ b/meta/recipes-core/glibc/glibc/0027-elf-Replace-strcpy-call-with-memcpy-BZ-29454.patch @@ -0,0 +1,32 @@ +From f0e36cf0b348dbc990af9f869196710ca89c28c2 Mon Sep 17 00:00:00 2001 +From: Noah Goldstein <goldstein.w.n@gmail.com> +Date: Sun, 7 Aug 2022 23:54:19 +0800 +Subject: [PATCH] elf: Replace `strcpy` call with `memcpy` [BZ #29454] + +GCC normally does this optimization for us in +strlen_pass::handle_builtin_strcpy but only for optimized +build. To avoid needing to include strcpy.S in the rtld build to +support the debug build, just do the optimization by hand. + +Upstream-Status: Submitted [https://sourceware.org/bugzilla/show_bug.cgi?id=29454 https://sourceware.org/pipermail/libc-alpha/2022-August/141290.html] +Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> +--- + elf/dl-cache.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/elf/dl-cache.c b/elf/dl-cache.c +index c02a95d9b5..03a6d236e8 100644 +--- a/elf/dl-cache.c ++++ b/elf/dl-cache.c +@@ -513,8 +513,9 @@ _dl_load_cache_lookup (const char *name) + we are accessing. Therefore we must make the copy of the + mapping data without using malloc. */ + char *temp; +- temp = alloca (strlen (best) + 1); +- strcpy (temp, best); ++ size_t best_len = strlen (best) + 1; ++ temp = alloca (best_len); ++ memcpy (temp, best, best_len); + return __strdup (temp); + } + diff --git a/meta/recipes-core/glibc/glibc_2.36.bb b/meta/recipes-core/glibc/glibc_2.36.bb index c64b65db3e..2db3994cf7 100644 --- a/meta/recipes-core/glibc/glibc_2.36.bb +++ b/meta/recipes-core/glibc/glibc_2.36.bb @@ -51,7 +51,9 @@ SRC_URI = "${GLIBC_GIT_URI};branch=${SRCBRANCH};name=glibc \ file://0023-fix-create-thread-failed-in-unprivileged-process-BZ-.patch \ file://0024-Avoid-hardcoded-build-time-paths-in-the-output-binar.patch \ file://0025-Revert-Linux-Implement-a-useful-version-of-_startup_.patch \ - " + file://0026-x86-Fix-define-STRCPY-guard-in-strcpy-sse2.S.patch \ + file://0027-elf-Replace-strcpy-call-with-memcpy-BZ-29454.patch \ +" S = "${WORKDIR}/git" B = "${WORKDIR}/build-${TARGET_SYS}" |