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Date: Mon, 31 Oct 2022 13:15:22 +0100 From: Philippe Mathieu-Daudé <philmd@...aro.org> To: John Thomson <git@...nthomson.fastmail.com.au>, tsbogend@...ha.franken.de, keescook@...omium.org Cc: linux-mips@...r.kernel.org, linux-hardening@...r.kernel.org, kernel test robot <lkp@...el.com> Subject: Re: [PATCH] mips: boot/compressed: use __NO_FORITFY On 30/10/22 19:36, John Thomson wrote: > In the mips CONFIG_SYS_SUPPORTS_ZBOOT kernel, fix the compile error > when using CONFIG_FORTIFY_SOURCE=y > > LD vmlinuz > mipsel-openwrt-linux-musl-ld: arch/mips/boot/compressed/decompress.o: in > function `decompress_kernel': > ./include/linux/decompress/mm.h:(.text.decompress_kernel+0x177c): > undefined reference to `warn_slowpath_fmt' > > kernel test robot helped identify this as related to fortify. The error > appeared with commit 54d9469bc515 ("fortify: Add run-time WARN for > cross-field memcpy()") > Link: https://lore.kernel.org/r/202209161144.x9xSqNQZ-lkp@intel.com/ > > Resolve this in the same style as commit cfecea6ead5f ("lib/string: > Move helper functions out of string.c") > > Reported-by: kernel test robot <lkp@...el.com> > Fixes: 54d9469bc515 ("fortify: Add run-time WARN for cross-field memcpy()") > Signed-off-by: John Thomson <git@...nthomson.fastmail.com.au> > --- > not sure about the fixes tag: > compile error only occurs due to the fortify commit, but it looks like > this change could have been part of the other commit identified in the > message: lib/string move helper functions? > --- > arch/mips/boot/compressed/decompress.c | 1 + > 1 file changed, 1 insertion(+) Typo "__NO_FORTIFY" in subject.
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