[linux-next:master 8491/8619] fs/xfs/xfs.o: warning: objtool: xfs_da_grow_inode_int+0x6c1: stack state mismatch: reg1[12]=-2-48 reg2[12]=-1+0

[linux-next:master 8491/8619] fs/xfs/xfs.o: warning: objtool: xfs_da_grow_inode_int+0x6c1: stack state mismatch: reg1[12]=-2-48 reg2[12]=-1+0

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   4893c639cc3659cefaa675bf1e59f4e7571afb5c
commit: 5954d6aa1b01ac362d88df2f34073cd23e819c89 [8491/8619] Merge branch 'for-next' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
config: x86_64-randconfig-a016-20220509 (https://download.01.org/0day-ci/archive/20240222/202402220435.MGN0EV6l-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240222/202402220435.MGN0EV6l-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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402220435.MGN0EV6l-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/xfs/xfs.o: warning: objtool: xfs_da_grow_inode_int+0x6c1: stack state mismatch: reg1[12]=-2-48 reg2[12]=-1+0


objdump-func vmlinux.o xfs_da_grow_inode_int:

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

Re: [linux-next:master 8491/8619] fs/xfs/xfs.o: warning: objtool: xfs_da_grow_inode_int+0x6c1: stack state mismatch: reg1[12]=-2-48 reg2[12]=-1+0

[Alexandre Chartre]

On Thu, Feb 22, 2024 at 04:30:01AM +0800, kernel test robot wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
> head:   4893c639cc3659cefaa675bf1e59f4e7571afb5c
> commit: 5954d6aa1b01ac362d88df2f34073cd23e819c89 [8491/8619] Merge branch 'for-next' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git
> config: x86_64-randconfig-a016-20220509 (https://download.01.org/0day-ci/archive/20240222/202402220435.MGN0EV6l-lkp@intel.com/config)
> compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240222/202402220435.MGN0EV6l-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@intel.com>
> | Closes: https://lore.kernel.org/oe-kbuild-all/202402220435.MGN0EV6l-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
> >> fs/xfs/xfs.o: warning: objtool: xfs_da_grow_inode_int+0x6c1: stack state mismatch: reg1[12]=-2-48 reg2[12]=-1+0
> 

This is a problem with objtool which is confusing some addressing mode
and incorrectly thinks that a saved register has been restored. I am
working on a fix and I will submit an objtool patch (shortly hopefully).

Rgds,

alex.