Hi Kees, [auto build test WARNING on next-20170619] [cannot apply to linus/master linux/master v4.12-rc6 v4.12-rc5 v4.12-rc4 v4.12-rc7] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Kees-Cook/fortify-Avoid-panic-in-favor-of-BUG/20170627-230653 config: sh-allyesconfig (attached as .config) compiler: sh4-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=sh All warnings (new ones prefixed by >>): lib/string.c: In function 'fortify_panic': >> lib/string.c:986:1: warning: 'noreturn' function does return } ^ vim +/noreturn +986 lib/string.c 94df2904 Rasmus Villemoes 2015-06-25 970 * 94df2904 Rasmus Villemoes 2015-06-25 971 * Returns pointer to the nul byte at the end of @s. 94df2904 Rasmus Villemoes 2015-06-25 972 */ 94df2904 Rasmus Villemoes 2015-06-25 973 char *strreplace(char *s, char old, char new) 94df2904 Rasmus Villemoes 2015-06-25 974 { 94df2904 Rasmus Villemoes 2015-06-25 975 for (; *s; ++s) 94df2904 Rasmus Villemoes 2015-06-25 976 if (*s == old) 94df2904 Rasmus Villemoes 2015-06-25 977 *s = new; 94df2904 Rasmus Villemoes 2015-06-25 978 return s; 94df2904 Rasmus Villemoes 2015-06-25 979 } 94df2904 Rasmus Villemoes 2015-06-25 980 EXPORT_SYMBOL(strreplace); b90d6eba Daniel Micay 2017-06-06 981 b90d6eba Daniel Micay 2017-06-06 982 void fortify_panic(const char *name) b90d6eba Daniel Micay 2017-06-06 983 { 8a94b337 Kees Cook 2017-06-26 984 pr_emerg("detected buffer overflow in %s\n", name); 8a94b337 Kees Cook 2017-06-26 985 BUG(); b90d6eba Daniel Micay 2017-06-06 @986 } b90d6eba Daniel Micay 2017-06-06 987 EXPORT_SYMBOL(fortify_panic); :::::: The code at line 986 was first introduced by commit :::::: b90d6eba50d76750576dc8afe5eaa43974a1f17f include/linux/string.h: add the option of fortified string.h functions :::::: TO: Daniel Micay <[email protected]> :::::: CC: Kees Cook <[email protected]> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
.config.gz
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