==================================================================
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-20220510-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: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: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:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 ca cd e6 f7 48 89 ef e8 d2 4e e7 f7 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 f3 5c da f7 65 8b 05 4c 05 8b 76 85 c0 74 0a 5b 5d c3 e8 50 44
RSP: 0000:ffffc900000678b8 EFLAGS: 00000206
RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2014e66
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000001
RBP: ffffc90000067a98 R08: 0000000000000001 R09: ffffffff900a188f
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000000246
spin_unlock_irqrestore include/linux/spinlock.h:415 [inline]
__wake_up_common_lock+0xde/0x130 kernel/sched/wait.c:139
__d_lookup_done+0x201/0x4b0 fs/dcache.c:2711
__d_add fs/dcache.c:2729 [inline]
d_add+0x550/0x690 fs/dcache.c:2762
simple_lookup fs/libfs.c:75 [inline]
simple_lookup+0xc9/0x110 fs/libfs.c:69
__lookup_slow+0x24c/0x480 fs/namei.c:1701
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+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: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:297
==================================================================
----------------
Code disassembly (best guess):
0: 74 24 je 0x26
2: 10 e8 adc %ch,%al
4: ca cd e6 lret $0xe6cd
7: f7 48 89 ef e8 d2 4e testl $0x4ed2e8ef,-0x77(%rax)
e: e7 f7 out %eax,$0xf7
10: 81 e3 00 02 00 00 and $0x200,%ebx
16: 75 25 jne 0x3d
18: 9c pushfq
19: 58 pop %rax
1a: f6 c4 02 test $0x2,%ah
1d: 75 2d jne 0x4c
1f: 48 85 db test %rbx,%rbx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 f3 5c da f7 callq 0xf7da5d22 <-- trapping instruction
2f: 65 8b 05 4c 05 8b 76 mov %gs:0x768b054c(%rip),%eax # 0x768b0582
36: 85 c0 test %eax,%eax
38: 74 0a je 0x44
3a: 5b pop %rbx
3b: 5d pop %rbp
3c: c3 retq
3d: e8 .byte 0xe8
3e: 50 push %rax
3f: 44 rex.R