On 02/14/25 at 06:44pm, kernel test robot wrote: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: 128c8f96eb8638c060cd3532dc394d046ce64fe1 > commit: 443cbaf9e2fdbef7d7cae457434a6cb8a679441b crash: split vmcoreinfo exporting code out from crash_core.c > date: 12 months ago > config: riscv-randconfig-r073-20250213 (https://download.01.org/0day-ci/archive/20250214/202502141843.5QoKdQ7g-lkp@xxxxxxxxx/config) > compiler: riscv32-linux-gcc (GCC) 14.2.0 > > 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@xxxxxxxxx> > | Closes: https://lore.kernel.org/oe-kbuild-all/202502141843.5QoKdQ7g-lkp@xxxxxxxxx/ > > smatch warnings: > kernel/vmcore_info.c:117 paddr_vmcoreinfo_note() warn: unsigned '_x' is never less than zero. Thanks for reporting this. I am preparing to reproduce this issue, while I may not know what are the steps to reproduce. Just run smatch or just build with the provided riscv-randconfig-r073-20250213? > > vim +/_x +117 kernel/vmcore_info.c > > 114 > 115 phys_addr_t __weak paddr_vmcoreinfo_note(void) > 116 { > > 117 return __pa(vmcoreinfo_note); > 118 } > 119 EXPORT_SYMBOL(paddr_vmcoreinfo_note); > 120 > > -- > 0-DAY CI Kernel Test Service > https://github.com/intel/lkp-tests/wiki >
