Hi Jarkko, kernel test robot noticed the following build warnings:
[auto build test WARNING on next-20250919] [cannot apply to char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus linus/master v6.17-rc6 v6.17-rc5 v6.17-rc4 v6.17-rc6] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Jarkko-Sakkinen/tpm-Make-TPM-buffer-allocations-more-robust/20250921-102024 base: next-20250919 patch link: https://lore.kernel.org/r/20250921020804.1088824-2-jarkko%40kernel.org patch subject: [PATCH v10 1/4] tpm: Make TPM buffer allocations more robust config: x86_64-buildonly-randconfig-001-20250921 (https://download.01.org/0day-ci/archive/20250921/[email protected]/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250921/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): >> drivers/char/tpm/tpm-buf.c:20:9: warning: format specifies type 'unsigned >> int' but the argument has type 'unsigned long' [-Wformat] 19 | WARN(1, "%s: size mismatch: %u != %u\n", __func__, buf_size, | ~~ | %lu 20 | buf->capacity + sizeof(*buf)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ include/asm-generic/bug.h:141:29: note: expanded from macro 'WARN' 141 | __WARN_printf(TAINT_WARN, format); \ | ^~~~~~ include/asm-generic/bug.h:112:17: note: expanded from macro '__WARN_printf' 112 | __warn_printk(arg); \ | ^~~ 1 warning generated. vim +20 drivers/char/tpm/tpm-buf.c 9 10 static void __tpm_buf_size_invariant(struct tpm_buf *buf, u16 buf_size) 11 { 12 if (!buf->capacity) { 13 if (buf_size > TPM_BUF_MAX_SIZE) { 14 WARN(1, "%s: size overflow: %u\n", __func__, buf_size); 15 buf->flags |= TPM_BUF_ERROR; 16 } 17 } else { 18 if (buf_size != buf->capacity + sizeof(*buf)) { 19 WARN(1, "%s: size mismatch: %u != %u\n", __func__, buf_size, > 20 buf->capacity + sizeof(*buf)); 21 buf->flags |= TPM_BUF_ERROR; 22 } 23 } 24 } 25 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
