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* [glibc] string: Disable stack protector for memset in early static initialization
@ 2024-01-23 13:23 Adhemerval Zanella
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From: Adhemerval Zanella @ 2024-01-23 13:23 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=77c6a2717de1b6a78e79538b2074579ed77839ed
commit 77c6a2717de1b6a78e79538b2074579ed77839ed
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Mon Jan 22 10:42:19 2024 -0300
string: Disable stack protector for memset in early static initialization
For ports that use the default memset, the compiler might generate early
calls before the stack protector is initialized (for instance, riscv
with -fstack-protector-all on _dl_aux_init).
Checked on riscv64-linux-gnu-rv64imafdc-lp64d.
Reviewed-by: Florian Weimer <fweimer@redhat.com>
Diff:
---
string/Makefile | 1 +
1 file changed, 1 insertion(+)
diff --git a/string/Makefile b/string/Makefile
index 3ba77e1b2f..8f31fa49e6 100644
--- a/string/Makefile
+++ b/string/Makefile
@@ -270,6 +270,7 @@ CFLAGS-memcpy.c += $(no-stack-protector)
CFLAGS-wordcopy.c += $(no-stack-protector)
# Called during static initialization
CFLAGS-strncmp.c += $(no-stack-protector)
+CFLAGS-memset.c += $(no-stack-protector)
CFLAGS-argz-next.c += $(config-cflags-wno-ignored-attributes)
CFLAGS-basename.c += $(config-cflags-wno-ignored-attributes)
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