Here, kasan is disabled if specified 'kasan=off' in kernel cmdline. Signed-off-by: Baoquan He --- mm/kasan/sw_tags.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/mm/kasan/sw_tags.c b/mm/kasan/sw_tags.c index 6c1caec4261a..7757b69b1c86 100644 --- a/mm/kasan/sw_tags.c +++ b/mm/kasan/sw_tags.c @@ -40,6 +40,10 @@ void __init kasan_init_sw_tags(void) { int cpu; + /* If KASAN is disabled via command line, don't initialize it. */ + if (kasan_arg_disabled) + return; + for_each_possible_cpu(cpu) per_cpu(prng_state, cpu) = (u32)get_cycles(); -- 2.52.0