ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

[kernel test robot]

CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>
CC: Nathan Chancellor <nathan@kernel.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   7d06015d936c861160803e020f68f413b5c3cd9d
commit: d70da12453ac3797e0c54884305ccc894e8c817b hardening: Enable i386 FORTIFY_SOURCE on Clang 16+
date:   3 weeks ago
config: i386-randconfig-007-20250329 (https://download.01.org/0day-ci/archive/20250329/202503291426.N804kLMq-lkp@intel.com/config)
compiler: clang version 20.1.1 (https://github.com/llvm/llvm-project 424c2d9b7e4de40d0804dd374721e6411c27d1d1)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250329/202503291426.N804kLMq-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/202503291426.N804kLMq-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

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

ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

[kernel test robot]

CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a1b5bd45d4ee58af4f56e49497b8c3db96d8f8a3
commit: 6ee149f61bcce39692f0335a01e99355d4cec8da kunit/fortify: Replace "volatile" with OPTIMIZER_HIDE_VAR()
date:   3 weeks ago
config: riscv-randconfig-002-20250403 (https://download.01.org/0day-ci/archive/20250403/202504031024.1XGGoOYN-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project 7eccafc3c84606587a175c0a8c1ebea6e4fb21cd)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250403/202504031024.1XGGoOYN-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/202504031024.1XGGoOYN-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

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

ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

[kernel test robot]

CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   d608703fcdd9e9538f6c7a0fcf98bf79b1375b60
commit: 6ee149f61bcce39692f0335a01e99355d4cec8da kunit/fortify: Replace "volatile" with OPTIMIZER_HIDE_VAR()
date:   2 months ago
config: x86_64-buildonly-randconfig-2002-20250516 (https://download.01.org/0day-ci/archive/20250522/202505221438.mh8V0cul-lkp@intel.com/config)
compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250522/202505221438.mh8V0cul-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/202505221438.mh8V0cul-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

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

ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

[kernel test robot]

CC: linux-kernel@vger.kernel.org
TO: Kees Cook <kees@kernel.org>

Hi Kees,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   67a993863163cb88b1b68974c31b0d84ece4293e
commit: 6ee149f61bcce39692f0335a01e99355d4cec8da kunit/fortify: Replace "volatile" with OPTIMIZER_HIDE_VAR()
date:   4 months ago
config: x86_64-randconfig-071-20250627 (https://download.01.org/0day-ci/archive/20250627/202506271959.rmmh0j8X-lkp@intel.com/config)
compiler: clang version 20.1.7 (https://github.com/llvm/llvm-project 6146a88f60492b520a36f8f8f3231e15f3cc6082)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250627/202506271959.rmmh0j8X-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/202506271959.rmmh0j8X-lkp@intel.com/

All errors (new ones prefixed by >>):

>> ld.lld: error: call to __read_overflow marked "dontcall-error": detected read beyond size of object (1st parameter)

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