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From: Ahmad Fatoum <a.fatoum@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Ahmad Fatoum <a.fatoum@pengutronix.de>
Subject: [PATCH 1/5] lib: ubsan: disable sanitization for UBSAN implementation
Date: Mon,  9 Oct 2023 13:52:35 +0200	[thread overview]
Message-ID: <20231009115239.2291016-1-a.fatoum@pengutronix.de> (raw)

As done in Linux, the implementation of ubsan itself should not be
instrumented by KASAN and stack protector.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 lib/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/Makefile b/lib/Makefile
index 2b577becc444..791080b2d158 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -89,6 +89,8 @@ obj-$(CONFIG_GENERIC_LIB_MULDI3)  += muldi3.o
 pbl-$(CONFIG_GENERIC_LIB_ASHLDI3) += ashldi3.o
 
 UBSAN_SANITIZE_ubsan.o := n
+KASAN_SANITIZE_ubsan.o := n
+CFLAGS_ubsan.o := -fno-stack-protector
 
 libfdt_files = fdt.o fdt_ro.o fdt_wip.o fdt_rw.o fdt_sw.o fdt_strerror.o \
 	                      fdt_empty_tree.o
-- 
2.39.2




             reply	other threads:[~2023-10-09 11:53 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-10-09 11:52 Ahmad Fatoum [this message]
2023-10-09 11:52 ` [PATCH 2/5] lib: random: don't duplicate error/warning prefix in log message Ahmad Fatoum
2023-10-09 11:52 ` [PATCH 3/5] lib: stackprot: improve error message on missing HWRNG Ahmad Fatoum
2023-10-09 11:52 ` [PATCH 4/5] lib: stackprot: don't directly write stack protector from HWRNG driver Ahmad Fatoum
2023-10-09 11:52 ` [PATCH 5/5] lib: stackprot: hide symbols when not applicable Ahmad Fatoum
2023-10-13  9:17 ` [PATCH 1/5] lib: ubsan: disable sanitization for UBSAN implementation Sascha Hauer

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