From: Kees Cook keescook@chromium.org
[ Upstream commit e36b70fb8c707a0688960184380bc151390d671b ]
The early boot stub for sh had UBSan instrumentation present where it is not supported. Disable it for this part of the build.
sh4-linux-ld: arch/sh/boot/compressed/misc.o: in function `zlib_inflate_table': misc.c:(.text+0x670): undefined reference to `__ubsan_handle_shift_out_of_bounds'
Reported-by: kernel test robot lkp@intel.com Closes: https://lore.kernel.org/oe-kbuild-all/202401310416.s8HLiLnC-lkp@intel.com/ Cc: Yoshinori Sato ysato@users.sourceforge.jp Cc: Rich Felker dalias@libc.org Cc: John Paul Adrian Glaubitz glaubitz@physik.fu-berlin.de Cc: Masahiro Yamada masahiroy@kernel.org Cc: Nicolas Schier n.schier@avm.de Cc: linux-sh@vger.kernel.org Link: https://lore.kernel.org/r/20240130232717.work.088-kees@kernel.org Signed-off-by: Kees Cook keescook@chromium.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/sh/boot/compressed/Makefile | 1 + 1 file changed, 1 insertion(+)
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile index 589d2d8a573db..edc9dc36115dc 100644 --- a/arch/sh/boot/compressed/Makefile +++ b/arch/sh/boot/compressed/Makefile @@ -13,6 +13,7 @@ targets := vmlinux vmlinux.bin vmlinux.bin.gz \ OBJECTS = $(obj)/head_32.o $(obj)/misc.o $(obj)/cache.o
GCOV_PROFILE := n +UBSAN_SANITIZE := n
# # IMAGE_OFFSET is the load offset of the compression loader