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Date:   Mon, 31 Oct 2022 13:15:22 +0100
From:   Philippe Mathieu-Daudé <>
To:     John Thomson <>,,
        kernel test robot <>
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
> 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:
> Resolve this in the same style as commit cfecea6ead5f ("lib/string:
> Move helper functions out of string.c")
> Reported-by: kernel test robot <>
> Fixes: 54d9469bc515 ("fortify: Add run-time WARN for cross-field memcpy()")
> Signed-off-by: John Thomson <>
> ---
> 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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