From: kernel test robot <lkp@intel.com>
To: Mark Rutland <mark.rutland@arm.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Kees Cook <keescook@chromium.org>
Subject: [kees:for-next/kspp 21/25] drivers/misc/lkdtm/stackleak.c:17:39: error: call to undeclared function 'stackleak_task_low_bound'; ISO C99 and later do not support implicit function declarations
Date: Thu, 5 May 2022 09:43:36 +0800 [thread overview]
Message-ID: <202205050943.HDgeO9iV-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git for-next/kspp
head: d46ac904fd35edfccc5080818e950d4d3b4697c4
commit: f4cfacd92972cc440d534b5156df23d0a2136bab [21/25] lkdtm/stackleak: rework boundary management
config: s390-randconfig-r044-20220502 (https://download.01.org/0day-ci/archive/20220505/202205050943.HDgeO9iV-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 363b3a645a1e30011cc8da624f13dac5fd915628)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install s390 cross compiling tool for clang build
# apt-get install binutils-s390x-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git/commit/?id=f4cfacd92972cc440d534b5156df23d0a2136bab
git remote add kees https://git.kernel.org/pub/scm/linux/kernel/git/kees/linux.git
git fetch --no-tags kees for-next/kspp
git checkout f4cfacd92972cc440d534b5156df23d0a2136bab
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=s390 SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
>> drivers/misc/lkdtm/stackleak.c:17:39: error: call to undeclared function 'stackleak_task_low_bound'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
const unsigned long task_stack_low = stackleak_task_low_bound(current);
^
>> drivers/misc/lkdtm/stackleak.c:18:40: error: call to undeclared function 'stackleak_task_high_bound'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
const unsigned long task_stack_high = stackleak_task_high_bound(current);
^
drivers/misc/lkdtm/stackleak.c:19:22: warning: incompatible pointer to integer conversion initializing 'const unsigned long' with an expression of type 'unsigned long (void)' [-Wint-conversion]
const unsigned long current_sp = current_stack_pointer;
^ ~~~~~~~~~~~~~~~~~~~~~
drivers/misc/lkdtm/stackleak.c:20:43: error: no member named 'lowest_stack' in 'struct task_struct'; did you mean 'ret_stack'?
const unsigned long lowest_sp = current->lowest_stack;
^~~~~~~~~~~~
ret_stack
include/linux/sched.h:1365:28: note: 'ret_stack' declared here
struct ftrace_ret_stack *ret_stack;
^
drivers/misc/lkdtm/stackleak.c:20:22: warning: incompatible pointer to integer conversion initializing 'const unsigned long' with an expression of type 'struct ftrace_ret_stack *' [-Wint-conversion]
const unsigned long lowest_sp = current->lowest_stack;
^ ~~~~~~~~~~~~~~~~~~~~~
drivers/misc/lkdtm/stackleak.c:42:16: error: call to undeclared function 'stackleak_find_top_of_poison'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
poison_high = stackleak_find_top_of_poison(task_stack_low, untracked_high);
^
2 warnings and 4 errors generated.
vim +/stackleak_task_low_bound +17 drivers/misc/lkdtm/stackleak.c
13
14 void lkdtm_STACKLEAK_ERASING(void)
15 {
16 const unsigned long task_stack_base = (unsigned long)task_stack_page(current);
> 17 const unsigned long task_stack_low = stackleak_task_low_bound(current);
> 18 const unsigned long task_stack_high = stackleak_task_high_bound(current);
--
0-DAY CI Kernel Test Service
https://01.org/lkp
next reply other threads:[~2022-05-05 1:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-05 1:43 kernel test robot [this message]
2022-05-05 12:45 ` [kees:for-next/kspp 21/25] drivers/misc/lkdtm/stackleak.c:17:39: error: call to undeclared function 'stackleak_task_low_bound'; ISO C99 and later do not support implicit function declarations Mark Rutland
2022-05-05 16:25 ` Kees Cook
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