Hi Alexander, [auto build test WARNING on tip/x86/core] [also build test WARNING on v4.5-rc5] [cannot apply to next-20160226] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Alexander-Potapenko/SLAB-support-for-KASAN/20160226-213301 config: x86_64-randconfig-s0-02262205 (attached as .config) reproduce: # save the attached .config to linux build tree make ARCH=x86_64 All warnings (new ones prefixed by >>): In file included from include/linux/printk.h:6:0, from include/linux/kernel.h:13, from mm/kasan/report.c:16: mm/kasan/report.c: In function 'print_track': >> include/linux/kern_levels.h:4:18: warning: format '%lu' expects argument of >> type 'long unsigned int', but argument 2 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH' #define KERN_ERR KERN_SOH "3" /* error conditions */ ^ include/linux/printk.h:252:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^ >> mm/kasan/report.c:120:2: note: in expansion of macro 'pr_err' pr_err("PID = %lu, CPU = %lu, timestamp = %lu\n", track->pid, ^ include/linux/kern_levels.h:4:18: warning: format '%lu' expects argument of type 'long unsigned int', but argument 3 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH' #define KERN_ERR KERN_SOH "3" /* error conditions */ ^ include/linux/printk.h:252:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^ >> mm/kasan/report.c:120:2: note: in expansion of macro 'pr_err' pr_err("PID = %lu, CPU = %lu, timestamp = %lu\n", track->pid, ^ >> include/linux/kern_levels.h:4:18: warning: format '%lu' expects argument of >> type 'long unsigned int', but argument 4 has type 'long unsigned int:42' >> [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^ include/linux/kern_levels.h:10:18: note: in expansion of macro 'KERN_SOH' #define KERN_ERR KERN_SOH "3" /* error conditions */ ^ include/linux/printk.h:252:9: note: in expansion of macro 'KERN_ERR' printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) ^ >> mm/kasan/report.c:120:2: note: in expansion of macro 'pr_err' pr_err("PID = %lu, CPU = %lu, timestamp = %lu\n", track->pid, ^ mm/kasan/report.c: At top level: mm/kasan/report.c:124:13: warning: 'print_object' defined but not used [-Wunused-function] static void print_object(struct kmem_cache *cache, void *object) ^ vim +/pr_err +120 mm/kasan/report.c 104 if (addr >= (void *)_stext && addr < (void *)_end) 105 return true; 106 if (is_module_address((unsigned long)addr)) 107 return true; 108 return false; 109 } 110 111 static inline bool init_task_stack_addr(const void *addr) 112 { 113 return addr >= (void *)&init_thread_union.stack && 114 (addr <= (void *)&init_thread_union.stack + 115 sizeof(init_thread_union.stack)); 116 } 117 118 static void print_track(struct kasan_track *track) 119 { > 120 pr_err("PID = %lu, CPU = %lu, timestamp = %lu\n", track->pid, 121 track->cpu, track->when); 122 } 123 124 static void print_object(struct kmem_cache *cache, void *object) 125 { 126 struct kasan_alloc_meta *alloc_info = get_alloc_info(cache, object); 127 struct kasan_free_meta *free_info; 128 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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