* [peterz-queue:x86/core 2/2] arch/x86/kernel/traps.c:468:38: error: use of undeclared identifier 'address'
@ 2021-09-15 22:51 kernel test robot
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From: kernel test robot @ 2021-09-15 22:51 UTC (permalink / raw)
To: Peter Zijlstra; +Cc: llvm, kbuild-all, linux-kernel
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git x86/core
head: 647d1adb49f099ced76b510d55365be7f3063341
commit: 647d1adb49f099ced76b510d55365be7f3063341 [2/2] x86/dumpstack/64: Add guard pages to stack_info
config: x86_64-randconfig-r005-20210916 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 8cbbd7e0b2aa21ce7e416cfb63d9965518948c35)
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
# https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git/commit/?id=647d1adb49f099ced76b510d55365be7f3063341
git remote add peterz-queue https://git.kernel.org/pub/scm/linux/kernel/git/peterz/queue.git
git fetch --no-tags peterz-queue x86/core
git checkout 647d1adb49f099ced76b510d55365be7f3063341
# save the attached .config to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 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 >>):
>> arch/x86/kernel/traps.c:468:38: error: use of undeclared identifier 'address'
if (get_stack_info_noinstr((void *)address, current, &info) &&
^
arch/x86/kernel/traps.c:472:20: error: use of undeclared identifier 'address'
name, (void *)address, info.begin, info.end);
^
2 errors generated.
vim +/address +468 arch/x86/kernel/traps.c
463
464 #ifdef CONFIG_X86_64
465 {
466 struct stack_info info;
467
> 468 if (get_stack_info_noinstr((void *)address, current, &info) &&
469 info.type & STACK_TYPE_GUARD) {
470 const char *name = stack_type_name(info.type & ~STACK_TYPE_GUARD);
471 pr_emerg("BUG: %s stack guard hit at %p (stack is %p..%p)\n",
472 name, (void *)address, info.begin, info.end);
473 }
474 }
475 #endif
476
477 pr_emerg("PANIC: double fault, error_code: 0x%lx\n", error_code);
478 die("double fault", regs, error_code);
479 panic("Machine halted.");
480 instrumentation_end();
481 }
482
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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