==================================================================
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:
__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
asm_sysvec_apic_timer_interrupt+0x1b/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:lock_acquire+0x1ef/0x570 kernel/locking/lockdep.c:5633
Code: 36 a4 7e 83 f8 01 0f 85 e8 02 00 00 9c 58 f6 c4 02 0f 85 fb 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0000:ffffc900000677e8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff9200000ceff RCX: b411cfc21858c6ac
RDX: 1ffff110021d0146 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff900b5887
R10: fffffbfff2016b10 R11: 0000000000000001 R12: 0000000000000002
R13: 0000000000000000 R14: ffffffff8bd859e0 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:270 [inline]
rcu_read_lock include/linux/rcupdate.h:696 [inline]
d_alloc_parallel+0x17a/0x1af0 fs/dcache.c:2609
__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: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
==================================================================
----------------
Code disassembly (best guess):
0: 36 a4 movsb %ss:(%rsi),%es:(%rdi)
2: 7e 83 jle 0xffffff87
4: f8 clc
5: 01 0f add %ecx,(%rdi)
7: 85 e8 test %ebp,%eax
9: 02 00 add (%rax),%al
b: 00 9c 58 f6 c4 02 0f add %bl,0xf02c4f6(%rax,%rbx,2)
12: 85 fb test %edi,%ebx
14: 02 00 add (%rax),%al
16: 00 48 83 add %cl,-0x7d(%rax)
19: 7c 24 jl 0x3f
1b: 08 00 or %al,(%rax)
1d: 74 01 je 0x20
1f: fb sti
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction
2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx)
3b: 00
3c: 48 rex.W
3d: 8b .byte 0x8b
3e: 84 .byte 0x84
3f: 24 .byte 0x24