==================================================================
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:1996 [inline]
BUG: KASAN: null-ptr-deref in get_mm_rss include/linux/mm.h:2049 [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 00000000000003f0 by task swapper/0/1

CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.18.0-rc6-next-20220509-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:1996 [inline]
 get_mm_rss include/linux/mm.h:2049 [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:2944 [inline]
 task_tick_fair+0xaeb/0xef0 kernel/sched/fair.c:11186
 scheduler_tick+0x20a/0x5e0 kernel/sched/core.c:5380
 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:__sanitizer_cov_trace_pc+0x5c/0x60 kernel/kcov.c:210
Code: 82 80 15 00 00 83 f8 02 75 20 48 8b 8a 88 15 00 00 8b 92 84 15 00 00 48 8b 01 48 83 c0 01 48 39 c2 76 07 48 89 34 c1 48 89 01 <c3> 0f 1f 00 41 55 41 54 49 89 fc 55 48 bd eb 83 b5 80 46 86 c8 61
RSP: 0000:ffffc90000067400 EFLAGS: 00000293
RAX: 0000000000000000 RBX: ffffffff8f04132e RCX: 0000000000000000
RDX: ffff888140170000 RSI: ffffffff8100748c RDI: ffffffff8f04132e
RBP: ffffffff8f04132e R08: ffffffff8ed3ed2e R09: ffffc900000674b4
R10: ffffffff810074be R11: ffffc90000067dc8 R12: ffffc90000067538
R13: 0000000000000000 R14: ffff888140170000 R15: 0000000000000000
 in_gate_area_no_mm+0xc/0x70 arch/x86/entry/vsyscall/vsyscall_64.c:345
 is_kernel_text include/linux/kallsyms.h:31 [inline]
 core_kernel_text+0x20/0x90 kernel/extable.c:68
 kernel_text_address+0xd/0x80 kernel/extable.c:99
 __kernel_text_address+0x9/0x30 kernel/extable.c:79
 unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline]
 unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313
 arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 __kasan_slab_alloc+0x90/0xc0 mm/kasan/common.c:469
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:750 [inline]
 slab_alloc_node mm/slub.c:3214 [inline]
 slab_alloc mm/slub.c:3222 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3229 [inline]
 kmem_cache_alloc_lru+0x31a/0x720 mm/slub.c:3246
 __d_alloc+0x32/0x960 fs/dcache.c:1769
 d_alloc+0x4a/0x230 fs/dcache.c:1849
 d_alloc_parallel+0xe7/0x1af0 fs/dcache.c:2601
 __lookup_slow+0x193/0x480 fs/namei.c:1686
 lookup_one_len+0x16a/0x1a0 fs/namei.c:2730
 start_creating+0x117/0x280 fs/tracefs/inode.c:411
 tracefs_create_file+0x94/0x600 fs/tracefs/inode.c:478
 trace_create_file+0x2f/0x50 kernel/trace/trace.c:8824
 event_create_dir+0x5d0/0x1320 kernel/trace/trace_events.c:2465
 __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:1301
 do_initcall_level init/main.c:1376 [inline]
 do_initcalls init/main.c:1392 [inline]
 do_basic_setup init/main.c:1411 [inline]
 kernel_init_freeable+0x6b1/0x73a init/main.c:1618
 kernel_init+0x1a/0x1d0 init/main.c:1507
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
 </TASK>
==================================================================
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	80 15 00 00 83 f8 02 	adcb   $0x2,-0x77d0000(%rip)        # 0xf8830007
   7:	75 20                	jne    0x29
   9:	48 8b 8a 88 15 00 00 	mov    0x1588(%rdx),%rcx
  10:	8b 92 84 15 00 00    	mov    0x1584(%rdx),%edx
  16:	48 8b 01             	mov    (%rcx),%rax
  19:	48 83 c0 01          	add    $0x1,%rax
  1d:	48 39 c2             	cmp    %rax,%rdx
  20:	76 07                	jbe    0x29
  22:	48 89 34 c1          	mov    %rsi,(%rcx,%rax,8)
  26:	48 89 01             	mov    %rax,(%rcx)
* 29:	c3                   	retq <-- trapping instruction
  2a:	0f 1f 00             	nopl   (%rax)
  2d:	41 55                	push   %r13
  2f:	41 54                	push   %r12
  31:	49 89 fc             	mov    %rdi,%r12
  34:	55                   	push   %rbp
  35:	48 bd eb 83 b5 80 46 	movabs $0x61c8864680b583eb,%rbp
  3c:	86 c8 61