From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Subject: kasan: move and simplify kasan_report_async Place kasan_report_async() next to the other main reporting routines. Also simplify printed information. Link: https://lkml.kernel.org/r/52d942ef3ffd29bdfa225bbe8e327bc5bda7ab09.1646237226.git.andreyknvl@xxxxxxxxxx Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Cc: Alexander Potapenko <glider@xxxxxxxxxx> Cc: Andrey Ryabinin <ryabinin.a.a@xxxxxxxxx> Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx> Cc: Marco Elver <elver@xxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- mm/kasan/report.c | 28 ++++++++++++++-------------- 1 file changed, 14 insertions(+), 14 deletions(-) --- a/mm/kasan/report.c~kasan-move-and-simplify-kasan_report_async +++ a/mm/kasan/report.c @@ -392,20 +392,6 @@ static bool report_enabled(void) return !test_and_set_bit(KASAN_BIT_REPORTED, &kasan_flags); } -#ifdef CONFIG_KASAN_HW_TAGS -void kasan_report_async(void) -{ - unsigned long flags; - - start_report(&flags, false); - pr_err("BUG: KASAN: invalid-access\n"); - pr_err("Asynchronous mode enabled: no access details available\n"); - pr_err("\n"); - dump_stack_lvl(KERN_ERR); - end_report(&flags, NULL); -} -#endif /* CONFIG_KASAN_HW_TAGS */ - static void print_report(struct kasan_access_info *info) { void *tagged_addr = info->access_addr; @@ -477,6 +463,20 @@ out: return ret; } +#ifdef CONFIG_KASAN_HW_TAGS +void kasan_report_async(void) +{ + unsigned long flags; + + start_report(&flags, false); + pr_err("BUG: KASAN: invalid-access\n"); + pr_err("Asynchronous fault: no details available\n"); + pr_err("\n"); + dump_stack_lvl(KERN_ERR); + end_report(&flags, NULL); +} +#endif /* CONFIG_KASAN_HW_TAGS */ + #ifdef CONFIG_KASAN_INLINE /* * With CONFIG_KASAN_INLINE, accesses to bogus pointers (outside the high _
