linux-kernel - include/linux/list.h:69:(.text+0x338f): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: *UND*

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Date: Sat, 6 Apr 2024 09:00:49 +0800
From: kernel test robot <lkp@...el.com>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: include/linux/list.h:69:(.text+0x338f): dangerous relocation:
 windowed longcall crosses 1GB boundary; return may fail: *UND*

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   8a05ef7087166d7fa0de986fb6a2d97850dbd551
commit: 481461f5109919babbb393d6f68002936b8e2493 linux/export.h: make <linux/export.h> independent of CONFIG_MODULES
date:   9 months ago
config: xtensa-randconfig-r012-20230616 (https://download.01.org/0day-ci/archive/20240406/202404060846.sebDx4Nj-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240406/202404060846.sebDx4Nj-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/202404060846.sebDx4Nj-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/media/common/siano/smscoreapi.o: in function `smscore_register_hotplug':
>> include/linux/list.h:69:(.text+0x338f): dangerous relocation: windowed longcall crosses 1GB boundary; return may fail: *UND*


vim +69 include/linux/list.h

d7c816733d501b Kees Cook        2016-08-17  58  
^1da177e4c3f41 Linus Torvalds   2005-04-16  59  /*
^1da177e4c3f41 Linus Torvalds   2005-04-16  60   * Insert a new entry between two known consecutive entries.
^1da177e4c3f41 Linus Torvalds   2005-04-16  61   *
^1da177e4c3f41 Linus Torvalds   2005-04-16  62   * This is only for internal list manipulation where we know
^1da177e4c3f41 Linus Torvalds   2005-04-16  63   * the prev/next entries already!
^1da177e4c3f41 Linus Torvalds   2005-04-16  64   */
^1da177e4c3f41 Linus Torvalds   2005-04-16  65  static inline void __list_add(struct list_head *new,
^1da177e4c3f41 Linus Torvalds   2005-04-16  66  			      struct list_head *prev,
^1da177e4c3f41 Linus Torvalds   2005-04-16  67  			      struct list_head *next)
^1da177e4c3f41 Linus Torvalds   2005-04-16  68  {
d7c816733d501b Kees Cook        2016-08-17 @69  	if (!__list_add_valid(new, prev, next))
d7c816733d501b Kees Cook        2016-08-17  70  		return;
d7c816733d501b Kees Cook        2016-08-17  71  
^1da177e4c3f41 Linus Torvalds   2005-04-16  72  	next->prev = new;
^1da177e4c3f41 Linus Torvalds   2005-04-16  73  	new->next = next;
^1da177e4c3f41 Linus Torvalds   2005-04-16  74  	new->prev = prev;
1c97be677f72b3 Paul E. McKenney 2015-09-20  75  	WRITE_ONCE(prev->next, new);
^1da177e4c3f41 Linus Torvalds   2005-04-16  76  }
^1da177e4c3f41 Linus Torvalds   2005-04-16  77  

:::::: The code at line 69 was first introduced by commit
:::::: d7c816733d501b59dbdc2483f2cc8e4431fd9160 list: Split list_add() debug checking into separate function

:::::: TO: Kees Cook <keescook@...omium.org>
:::::: CC: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

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