==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read include/linux/instrumented.h:71 [inline]
BUG: KASAN: null-ptr-deref in atomic_long_read include/linux/atomic/atomic-instrumented.h:1265 [inline]
BUG: KASAN: null-ptr-deref in get_mm_counter include/linux/mm.h:2039 [inline]
BUG: KASAN: null-ptr-deref in get_mm_rss include/linux/mm.h:2092 [inline]
BUG: KASAN: null-ptr-deref in task_nr_scan_windows.isra.0+0x23/0x120 kernel/sched/fair.c:1123
Read of size 8 at addr 0000000000000420 by task swapper/0/1

CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.18.0-rc6-next-20220511-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_report mm/kasan/report.c:432 [inline]
 kasan_report.cold+0x61/0x1c6 mm/kasan/report.c:491
 check_region_inline mm/kasan/generic.c:183 [inline]
 kasan_check_range+0x13d/0x180 mm/kasan/generic.c:189
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 atomic_long_read include/linux/atomic/atomic-instrumented.h:1265 [inline]
 get_mm_counter include/linux/mm.h:2039 [inline]
 get_mm_rss include/linux/mm.h:2092 [inline]
 task_nr_scan_windows.isra.0+0x23/0x120 kernel/sched/fair.c:1123
 task_scan_min kernel/sched/fair.c:1144 [inline]
 task_scan_start+0x6c/0x400 kernel/sched/fair.c:1150
 task_tick_numa kernel/sched/fair.c:2948 [inline]
 task_tick_fair+0xaeb/0xef0 kernel/sched/fair.c:11190
 scheduler_tick+0x20a/0x5e0 kernel/sched/core.c:5387
 update_process_times+0x191/0x200 kernel/time/timer.c:1816
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
 tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1481
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:get_next_ino+0x9/0x180 fs/inode.c:985
Code: ff e9 3e ff ff ff e8 d6 c1 ea ff e9 6a ff ff ff e8 cc c1 ea ff eb c2 e8 c5 c1 ea ff e9 ea fe ff ff 41 54 55 53 e8 a7 27 9e ff <bf> 01 00 00 00 e8 dd a5 75 ff e8 78 01 9c 07 48 c7 c3 00 60 03 00
RSP: 0000:ffffc90000067c50 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffffff89d253e0 RCX: 0000000000000000
RDX: ffff888140170000 RSI: ffffffff81dc3ac9 RDI: 0000000000000001
RBP: ffffc90000067c80 R08: 0000000000000000 R09: ffff888016a529c3
R10: ffffed1002d4a538 R11: 0000000000000000 R12: ffff88801139cf30
R13: ffff888011366000 R14: 0000000000000000 R15: 0000000000008120
 tracefs_get_inode+0x30/0x130 fs/tracefs/inode.c:134
 tracefs_create_file+0xe8/0x600 fs/tracefs/inode.c:483
 trace_create_file+0x2f/0x50 kernel/trace/trace.c:8824
 event_create_dir+0x3f8/0x1320 kernel/trace/trace_events.c:2429
 __trace_early_add_event_dirs+0x7e/0xf0 kernel/trace/trace_events.c:3478
 early_event_add_tracer kernel/trace/trace_events.c:3645 [inline]
 event_trace_init+0x9e/0x113 kernel/trace/trace_events.c:3805
 tracer_init_tracefs+0xf9/0x457 kernel/trace/trace.c:9722
 do_one_initcall+0x103/0x650 init/main.c:1303
 do_initcall_level init/main.c:1378 [inline]
 do_initcalls init/main.c:1394 [inline]
 do_basic_setup init/main.c:1413 [inline]
 kernel_init_freeable+0x6b1/0x73a init/main.c:1620
 kernel_init+0x1a/0x1d0 init/main.c:1509
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:297
 </TASK>
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	e9 3e ff ff ff       	jmpq   0xffffff43
   5:	e8 d6 c1 ea ff       	callq  0xffeac1e0
   a:	e9 6a ff ff ff       	jmpq   0xffffff79
   f:	e8 cc c1 ea ff       	callq  0xffeac1e0
  14:	eb c2                	jmp    0xffffffd8
  16:	e8 c5 c1 ea ff       	callq  0xffeac1e0
  1b:	e9 ea fe ff ff       	jmpq   0xffffff0a
  20:	41 54                	push   %r12
  22:	55                   	push   %rbp
  23:	53                   	push   %rbx
  24:	e8 a7 27 9e ff       	callq  0xff9e27d0
* 29:	bf 01 00 00 00       	mov    $0x1,%edi <-- trapping instruction
  2e:	e8 dd a5 75 ff       	callq  0xff75a610
  33:	e8 78 01 9c 07       	callq  0x79c01b0
  38:	48 c7 c3 00 60 03 00 	mov    $0x36000,%rbx