linux-kernel - vmlinux.o: warning: objtool: gntdev_copy+0x381: stack state mismatch: cfa1=4+96 cfa2=-1+0

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Message-ID: <202411070755.aWgLgIN8-lkp@intel.com>
Date: Thu, 7 Nov 2024 07:57:58 +0800
From: kernel test robot <lkp@...el.com>
To: Nathan Chancellor <nathan@...nel.org>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Luiz Augusto von Dentz <luiz.von.dentz@...el.com>,
	Justin Stitt <justinstitt@...gle.com>
Subject: vmlinux.o: warning: objtool: gntdev_copy+0x381: stack state
 mismatch: cfa1=4+96 cfa2=-1+0

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   f43b15692129904ccc064180fa2dd796ba3843a5
commit: 9bf4e919ccad613b3596eebf1ff37b05b6405307 Bluetooth: Fix type of len in {l2cap,sco}_sock_getsockopt_old()
date:   7 months ago
config: x86_64-randconfig-104-20241106 (https://download.01.org/0day-ci/archive/20241107/202411070755.aWgLgIN8-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241107/202411070755.aWgLgIN8-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/202411070755.aWgLgIN8-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> vmlinux.o: warning: objtool: gntdev_copy+0x381: stack state mismatch: cfa1=4+96 cfa2=-1+0

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