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Date: Fri, 23 Feb 2024 07:46:40 -0800
From: Kees Cook <kees@kernel.org>
To: kernel test robot <lkp@intel.com>, Andrew Morton <akpm@linux-foundation.org>
CC: Linux Memory Management List <linux-mm@kvack.org>,
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 John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Subject: =?US-ASCII?Q?Re=3A_=5Blinux-next=3Amaster=5D_BUILD_REGRESSION?= =?US-ASCII?Q?_e31185ce00a96232308300008db193416ceb9769?=
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On February 22, 2024 8:29:28 PM PST, kernel test robot <lkp@intel=2Ecom> w=
rote:
>tree/branch: https://git=2Ekernel=2Eorg/pub/scm/linux/kernel/git/next/lin=
ux-next=2Egit master
>branch HEAD: e31185ce00a96232308300008db193416ceb9769  Add linux-next spe=
cific files for 20240222
>
>Error/Warning reports:
>
>https://lore=2Ekernel=2Eorg/oe-kbuild-all/202402222223=2Eh9rFmYj4-lkp@int=
el=2Ecom
>https://lore=2Ekernel=2Eorg/oe-kbuild-all/202402222314=2EJ6A7eb4B-lkp@int=
el=2Ecom
>https://lore=2Ekernel=2Eorg/oe-kbuild-all/202402230537=2E2s6Nhfsn-lkp@int=
el=2Ecom
>
>Error/Warning: (recently discovered and may have been fixed)
>
>arch/arm/boot/compressed/misc=2Ec:157:6: warning: no previous prototype f=
or function '__fortify_panic' [-Wmissing-prototypes]
>arch/arm/boot/compressed/misc=2Eh:13:36: error: macro "fortify_panic" req=
uires 2 arguments, but only 1 given

This is fixed for the subsequent -next tree=2E

>arch/sh/boot/compressed/=2E=2E/=2E=2E/=2E=2E/=2E=2E/lib/decompress_unxz=
=2Ec:350:(=2Etext+0x20b4): undefined reference to `__ubsan_handle_out_of_bo=
unds'
>sh4-linux-ld: arch/sh/boot/compressed/=2E=2E/=2E=2E/=2E=2E/=2E=2E/lib/xz/=
xz_dec_lzma2=2Ec:751:(=2Etext+0x904): undefined reference to `__ubsan_handl=
e_out_of_bounds'

This is fixed here and is waiting to land:
https://lore=2Ekernel=2Eorg/linux-hardening/20240130232717=2Ework=2E088-ke=
es@kernel=2Eorg/

-Kees

--=20
Kees Cook