Messages in this thread | | | Date | Tue, 13 Jul 2021 16:21:09 +0800 | From | kernel test robot <> | Subject | lib/test_scanf.c:531:1: warning: the frame size of 2080 bytes is larger than 2048 bytes |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 7fef2edf7cc753b51f7ccc74993971b0a9c81eca commit: 50f530e176eac808e64416732e54c0686ce2c39b lib: test_scanf: Add tests for sscanf number conversion date: 8 weeks ago config: arm-randconfig-r001-20210713 (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 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/torvalds/linux.git/commit/?id=50f530e176eac808e64416732e54c0686ce2c39b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 50f530e176eac808e64416732e54c0686ce2c39b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
lib/test_scanf.c: In function 'numbers_list_field_width_val_width': >> lib/test_scanf.c:531:1: warning: the frame size of 2080 bytes is larger than 2048 bytes [-Wframe-larger-than=] 531 | } | ^ lib/test_scanf.c: In function 'numbers_list_field_width_typemax': lib/test_scanf.c:489:1: warning: the frame size of 2552 bytes is larger than 2048 bytes [-Wframe-larger-than=] 489 | } | ^ lib/test_scanf.c: In function 'numbers_list': lib/test_scanf.c:438:1: warning: the frame size of 2080 bytes is larger than 2048 bytes [-Wframe-larger-than=] 438 | } | ^
vim +531 lib/test_scanf.c
490 491 /* 492 * List of numbers separated by delim. Each field width specifier is the 493 * exact length of the corresponding value digits in the string being scanned. 494 */ 495 static void __init numbers_list_field_width_val_width(const char *delim) 496 { 497 numbers_list_val_width(unsigned long long, "%llu", delim, "llu", check_ull); 498 numbers_list_val_width(long long, "%lld", delim, "lld", check_ll); 499 numbers_list_val_width(long long, "%lld", delim, "lli", check_ll); 500 numbers_list_val_width(unsigned long long, "%llx", delim, "llx", check_ull); 501 numbers_list_val_width(unsigned long long, "0x%llx", delim, "llx", check_ull); 502 numbers_list_val_width(long long, "0x%llx", delim, "lli", check_ll); 503 504 numbers_list_val_width(unsigned long, "%lu", delim, "lu", check_ulong); 505 numbers_list_val_width(long, "%ld", delim, "ld", check_long); 506 numbers_list_val_width(long, "%ld", delim, "li", check_long); 507 numbers_list_val_width(unsigned long, "%lx", delim, "lx", check_ulong); 508 numbers_list_val_width(unsigned long, "0x%lx", delim, "lx", check_ulong); 509 numbers_list_val_width(long, "0x%lx", delim, "li", check_long); 510 511 numbers_list_val_width(unsigned int, "%u", delim, "u", check_uint); 512 numbers_list_val_width(int, "%d", delim, "d", check_int); 513 numbers_list_val_width(int, "%d", delim, "i", check_int); 514 numbers_list_val_width(unsigned int, "%x", delim, "x", check_uint); 515 numbers_list_val_width(unsigned int, "0x%x", delim, "x", check_uint); 516 numbers_list_val_width(int, "0x%x", delim, "i", check_int); 517 518 numbers_list_val_width(unsigned short, "%hu", delim, "hu", check_ushort); 519 numbers_list_val_width(short, "%hd", delim, "hd", check_short); 520 numbers_list_val_width(short, "%hd", delim, "hi", check_short); 521 numbers_list_val_width(unsigned short, "%hx", delim, "hx", check_ushort); 522 numbers_list_val_width(unsigned short, "0x%hx", delim, "hx", check_ushort); 523 numbers_list_val_width(short, "0x%hx", delim, "hi", check_short); 524 525 numbers_list_val_width(unsigned char, "%hhu", delim, "hhu", check_uchar); 526 numbers_list_val_width(signed char, "%hhd", delim, "hhd", check_char); 527 numbers_list_val_width(signed char, "%hhd", delim, "hhi", check_char); 528 numbers_list_val_width(unsigned char, "%hhx", delim, "hhx", check_uchar); 529 numbers_list_val_width(unsigned char, "0x%hhx", delim, "hhx", check_uchar); 530 numbers_list_val_width(signed char, "0x%hhx", delim, "hhi", check_char); > 531 } 532
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