* [alexshi:master 1/1] arch/x86/kernel/ptrace.c:245:2: error: call to '__compiletime_assert_364' declared with 'error' attribute: BUILD_BUG_ON failed: offsetof(struct pt_regs, r15) != 0
@ 2024-01-27 1:51 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-01-27 1:51 UTC (permalink / raw)
To: Alex Shi; +Cc: llvm, oe-kbuild-all
tree: https://github.com/alexshi/linux.git master
head: 80997c8b66fd8d73a96cd681a473bacaf75b7d98
commit: 80997c8b66fd8d73a96cd681a473bacaf75b7d98 [1/1] x86/ptrace: move down unused registers
config: x86_64-rhel-8.3-rust (https://download.01.org/0day-ci/archive/20240127/202401270930.gM767yEo-lkp@intel.com/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240127/202401270930.gM767yEo-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/202401270930.gM767yEo-lkp@intel.com/
All errors (new ones prefixed by >>):
>> arch/x86/kernel/ptrace.c:245:2: error: call to '__compiletime_assert_364' declared with 'error' attribute: BUILD_BUG_ON failed: offsetof(struct pt_regs, r15) != 0
245 | BUILD_BUG_ON(offsetof(struct pt_regs, r15) != 0);
| ^
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^
include/linux/compiler_types.h:435:2: note: expanded from macro 'compiletime_assert'
435 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:423:2: note: expanded from macro '_compiletime_assert'
423 | __compiletime_assert(condition, msg, prefix, suffix)
| ^
include/linux/compiler_types.h:416:4: note: expanded from macro '__compiletime_assert'
416 | prefix ## suffix(); \
| ^
<scratch space>:147:1: note: expanded from here
147 | __compiletime_assert_364
| ^
>> arch/x86/kernel/ptrace.c:245:2: error: call to '__compiletime_assert_364' declared with 'error' attribute: BUILD_BUG_ON failed: offsetof(struct pt_regs, r15) != 0
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^
include/linux/compiler_types.h:435:2: note: expanded from macro 'compiletime_assert'
435 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:423:2: note: expanded from macro '_compiletime_assert'
423 | __compiletime_assert(condition, msg, prefix, suffix)
| ^
include/linux/compiler_types.h:416:4: note: expanded from macro '__compiletime_assert'
416 | prefix ## suffix(); \
| ^
<scratch space>:147:1: note: expanded from here
147 | __compiletime_assert_364
| ^
>> arch/x86/kernel/ptrace.c:245:2: error: call to '__compiletime_assert_364' declared with 'error' attribute: BUILD_BUG_ON failed: offsetof(struct pt_regs, r15) != 0
include/linux/build_bug.h:50:2: note: expanded from macro 'BUILD_BUG_ON'
50 | BUILD_BUG_ON_MSG(condition, "BUILD_BUG_ON failed: " #condition)
| ^
include/linux/build_bug.h:39:37: note: expanded from macro 'BUILD_BUG_ON_MSG'
39 | #define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
| ^
include/linux/compiler_types.h:435:2: note: expanded from macro 'compiletime_assert'
435 | _compiletime_assert(condition, msg, __compiletime_assert_, __COUNTER__)
| ^
include/linux/compiler_types.h:423:2: note: expanded from macro '_compiletime_assert'
423 | __compiletime_assert(condition, msg, prefix, suffix)
| ^
include/linux/compiler_types.h:416:4: note: expanded from macro '__compiletime_assert'
416 | prefix ## suffix(); \
| ^
<scratch space>:147:1: note: expanded from here
147 | __compiletime_assert_364
| ^
3 errors generated.
vim +245 arch/x86/kernel/ptrace.c
2047b08be67b70 Roland McGrath 2008-01-30 242
2047b08be67b70 Roland McGrath 2008-01-30 243 static unsigned long *pt_regs_access(struct pt_regs *regs, unsigned long offset)
2047b08be67b70 Roland McGrath 2008-01-30 244 {
2047b08be67b70 Roland McGrath 2008-01-30 @245 BUILD_BUG_ON(offsetof(struct pt_regs, r15) != 0);
2047b08be67b70 Roland McGrath 2008-01-30 246 return ®s->r15 + (offset / sizeof(regs->r15));
2047b08be67b70 Roland McGrath 2008-01-30 247 }
2047b08be67b70 Roland McGrath 2008-01-30 248
:::::: The code at line 245 was first introduced by commit
:::::: 2047b08be67b70875d8765fc81d34ce28041bec3 x86: x86 ptrace getreg/putreg merge
:::::: TO: Roland McGrath <roland@redhat.com>
:::::: CC: Ingo Molnar <mingo@elte.hu>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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