==================================================================
BUG: KASAN: stack-out-of-bounds in profile_pc+0xa4/0xe0 arch/x86/kernel/time.c:42
Read of size 8 at addr ffffc900038ff5a0 by task syz.2.2514/12958

CPU: 1 PID: 12958 Comm: syz.2.2514 Not tainted 6.1.96-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:284 [inline]
 print_report+0x15f/0x4f0 mm/kasan/report.c:395
 kasan_report+0x136/0x160 mm/kasan/report.c:495
 profile_pc+0xa4/0xe0 arch/x86/kernel/time.c:42
 profile_tick+0xee/0x170 kernel/profile.c:339
 tick_sched_handle kernel/time/tick-sched.c:255 [inline]
 tick_sched_timer+0x390/0x550 kernel/time/tick-sched.c:1501
 __run_hrtimer kernel/time/hrtimer.c:1686 [inline]
 __hrtimer_run_queues+0x5a7/0xe50 kernel/time/hrtimer.c:1750
 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1812
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 c2 b8 4c f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> 67 06 c9 f6 65 8b 05 08 13 6d 75 85 c0 74 3f 48 c7 04 24 0e 36
RSP: 0018:ffffc900038ff5a0 EFLAGS: 00000206
RAX: 04ff4cec28761300 RBX: 1ffff9200071feb8 RCX: ffffffff816ad45a
RDX: dffffc0000000000 RSI: ffffffff8aec0240 RDI: 0000000000000001
RBP: ffffc900038ff630 R08: dffffc0000000000 R09: fffffbfff2093859
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 1ffff9200071feb4 R14: ffffc900038ff5c0 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 __skb_try_recv_datagram+0x1c7/0x6a0 net/core/datagram.c:265
 __unix_dgram_recvmsg+0x3c1/0x1260 net/unix/af_unix.c:2450
 ____sys_recvmsg+0x285/0x530
 ___sys_recvmsg net/socket.c:2775 [inline]
 do_recvmmsg+0x46d/0xad0 net/socket.c:2869
 __sys_recvmmsg net/socket.c:2948 [inline]
 __do_sys_recvmmsg net/socket.c:2971 [inline]
 __se_sys_recvmmsg net/socket.c:2964 [inline]
 __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2964
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f52df775f19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f52e0611048 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f52df904038 RCX: 00007f52df775f19
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000007
RBP: 00007f52df7e4bcd R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000006e R14: 00007f52df904038 R15: 00007ffe76271c28
 </TASK>

The buggy address belongs to stack of task syz.2.2514/12958
 and is located at offset 0 in frame:
 _raw_spin_unlock_irqrestore+0x0/0x130

This frame has 1 object:
 [32, 40) 'flags.i.i.i.i'

The buggy address belongs to the virtual mapping at
 [ffffc900038f8000, ffffc90003901000) created by:
 copy_process+0x637/0x4060 kernel/fork.c:2098

The buggy address belongs to the physical page:
page:ffffea00011ee080 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x47b82
memcg:ffff888078404182
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff ffff888078404182
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 12947, tgid 12947 (syz.2.2514), ts 847039258919, free_ts 838963101558
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x18d/0x1b0 mm/page_alloc.c:2513
 prep_new_page mm/page_alloc.c:2520 [inline]
 get_page_from_freelist+0x31a1/0x3320 mm/page_alloc.c:4279
 __alloc_pages+0x28d/0x770 mm/page_alloc.c:5547
 vm_area_alloc_pages mm/vmalloc.c:2992 [inline]
 __vmalloc_area_node mm/vmalloc.c:3068 [inline]
 __vmalloc_node_range+0x92b/0x1490 mm/vmalloc.c:3240
 alloc_thread_stack_node kernel/fork.c:311 [inline]
 dup_task_struct+0x3e5/0x6d0 kernel/fork.c:988
 copy_process+0x637/0x4060 kernel/fork.c:2098
 kernel_clone+0x222/0x920 kernel/fork.c:2682
 __do_sys_clone3 kernel/fork.c:2981 [inline]
 __se_sys_clone3+0x373/0x410 kernel/fork.c:2965
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1440 [inline]
 free_pcp_prepare mm/page_alloc.c:1490 [inline]
 free_unref_page_prepare+0xf63/0x1120 mm/page_alloc.c:3358
 free_unref_page+0x33/0x3e0 mm/page_alloc.c:3453
 kasan_depopulate_vmalloc_pte+0x66/0x80 mm/kasan/shadow.c:375
 apply_to_pte_range mm/memory.c:2645 [inline]
 apply_to_pmd_range mm/memory.c:2689 [inline]
 apply_to_pud_range mm/memory.c:2725 [inline]
 apply_to_p4d_range mm/memory.c:2761 [inline]
 __apply_to_page_range+0x9c5/0xcc0 mm/memory.c:2795
 kasan_release_vmalloc+0x96/0xb0 mm/kasan/shadow.c:492
 __purge_vmap_area_lazy+0x157c/0x1720 mm/vmalloc.c:1774
 drain_vmap_area_work+0x3c/0xd0 mm/vmalloc.c:1803
 process_one_work+0x8a9/0x11d0 kernel/workqueue.c:2292
 worker_thread+0xa47/0x1200 kernel/workqueue.c:2439
 kthread+0x28d/0x320 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308

Memory state around the buggy address:
 ffffc900038ff480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900038ff500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900038ff580: 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 00 00 00 00
                               ^
 ffffc900038ff600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900038ff680: 00 00 00 00 00 00 00 00 f1 f1 f1 f1 04 f3 f3 f3
==================================================================
----------------
Code disassembly (best guess):
   0:	9c                   	pushf
   1:	8f 44 24 20          	pop    0x20(%rsp)
   5:	42 80 3c 23 00       	cmpb   $0x0,(%rbx,%r12,1)
   a:	74 08                	je     0x14
   c:	4c 89 f7             	mov    %r14,%rdi
   f:	e8 c2 b8 4c f7       	call   0xf74cb8d6
  14:	f6 44 24 21 02       	testb  $0x2,0x21(%rsp)
  19:	75 4e                	jne    0x69
  1b:	41 f7 c7 00 02 00 00 	test   $0x200,%r15d
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
* 2a:	e8 67 06 c9 f6       	call   0xf6c90696 <-- trapping instruction
  2f:	65 8b 05 08 13 6d 75 	mov    %gs:0x756d1308(%rip),%eax        # 0x756d133e
  36:	85 c0                	test   %eax,%eax
  38:	74 3f                	je     0x79
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	04 24                	add    $0x24,%al
  3e:	0e                   	(bad)
  3f:	36                   	ss