linux-kernel - Re: [PATCH v1 1/3] vdso: Switch get/put unaligned from packed struct to memcpy

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Message-ID: <202506180158.O3zMMHjh-lkp@intel.com>
Date: Wed, 18 Jun 2025 01:21:35 +0800
From: kernel test robot <lkp@...el.com>
To: Ian Rogers <irogers@...gle.com>, Eric Biggers <ebiggers@...gle.com>,
	Yuzhuo Jing <yuzhuo@...gle.com>, Andy Lutomirski <luto@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Al Viro <viro@...iv.linux.org.uk>,
	Christophe Leroy <christophe.leroy@...roup.eu>,
	"Jason A. Donenfeld" <Jason@...c4.com>,
	linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org
Cc: oe-kbuild-all@...ts.linux.dev, Ian Rogers <irogers@...gle.com>
Subject: Re: [PATCH v1 1/3] vdso: Switch get/put unaligned from packed struct
 to memcpy

Hi Ian,

kernel test robot noticed the following build warnings:

[auto build test WARNING on linus/master]
[also build test WARNING on v6.16-rc2 next-20250617]
[cannot apply to tip/timers/vdso acme/perf/core]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Ian-Rogers/vdso-Switch-get-put-unaligned-from-packed-struct-to-memcpy/20250617-085916
base:   linus/master
patch link:    https://lore.kernel.org/r/20250617005800.1410112-2-irogers%40google.com
patch subject: [PATCH v1 1/3] vdso: Switch get/put unaligned from packed struct to memcpy
config: arm64-randconfig-r133-20250617 (https://download.01.org/0day-ci/archive/20250618/202506180158.O3zMMHjh-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce: (https://download.01.org/0day-ci/archive/20250618/202506180158.O3zMMHjh-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202506180158.O3zMMHjh-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> llvm-readelf: warning: 'arch/arm64/kernel/vdso/vdso.so.dbg': invalid PT_DYNAMIC size (0x118)
>> llvm-readelf: warning: 'arch/arm64/kernel/vdso/vdso.so.dbg': PT_DYNAMIC dynamic table is invalid: SHT_DYNAMIC will be used
   arch/arm64/kernel/vdso/vdso.so.dbg: dynamic relocations are not supported
   make[3]: *** [arch/arm64/kernel/vdso/Makefile:64: arch/arm64/kernel/vdso/vdso.so.dbg] Error 1
   make[3]: Target 'include/generated/vdso-offsets.h' not remade because of errors.
   make[3]: Target 'arch/arm64/kernel/vdso/vdso.so' not remade because of errors.
   make[2]: *** [arch/arm64/Makefile:207: vdso_prepare] Error 2
   make[2]: Target 'prepare' not remade because of errors.
   make[1]: *** [Makefile:248: __sub-make] Error 2
   make[1]: Target 'prepare' not remade because of errors.
   make: *** [Makefile:248: __sub-make] Error 2
   make: Target 'prepare' not remade because of errors.

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki