==================================================================
BUG: KASAN: stack-out-of-bounds in profile_pc+0x179/0x190 arch/x86/kernel/time.c:44
Read of size 8 at addr ffffc90003ad7bb0 by task syz-executor634/5097

CPU: 0 PID: 5097 Comm: syz-executor634 Not tainted 6.7.0-rc2-syzkaller-00265-gd2da77f431ac #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 profile_pc+0x179/0x190 arch/x86/kernel/time.c:44
 profile_tick+0xcd/0x130 kernel/profile.c:339
 tick_nohz_highres_handler+0xe9/0x110 kernel/time/tick-sched.c:1516
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x647/0xc20 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x31b/0x800 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x105/0x400 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x90/0xb0 arch/x86/kernel/apic/apic.c:1076
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:645
RIP: 0010:queued_read_lock_slowpath+0x135/0x2ad kernel/locking/qrwlock.c:51
Code: 00 8b 03 84 c0 74 36 48 b8 00 00 00 00 00 fc ff df 49 89 de 48 89 dd 49 c1 ee 03 83 e5 07 49 01 c6 83 c5 03 f3 90 41 0f b6 06 <40> 38 c5 7c 08 84 c0 0f 85 1b 01 00 00 8b 03 84 c0 75 e7 48 c7 c0
RSP: 0018:ffffc90003ad7ba8 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffffffff8cc0a080 RCX: ffffffff8a834a3b
RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffffff8cc0a080
RBP: 0000000000000003 R08: 0000000000000001 R09: fffffbfff1981410
R10: ffffffff8cc0a083 R11: 0000000000000000 R12: 1ffff9200075af76
R13: ffffffff8cc0a084 R14: fffffbfff1981410 R15: ffffffff814f4182
 __do_wait+0x105/0x890 kernel/exit.c:1585
 do_wait+0x212/0x530 kernel/exit.c:1629
 kernel_wait4+0x16d/0x280 kernel/exit.c:1788
 __do_sys_wait4+0x15b/0x170 kernel/exit.c:1816
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f40c13a8823
Code: fd ff e9 41 ff ff ff 31 c9 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 80 3d 41 38 07 00 00 49 89 ca 74 14 b8 3d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 5d c3 0f 1f 40 00 48 83 ec 28 89 54 24 14 48
RSP: 002b:00007ffd48b45068 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: ffffffffffffffda RBX: 000000000008853d RCX: 00007f40c13a8823
RDX: 0000000040000001 RSI: 00007ffd48b4508c RDI: 00000000ffffffff
RBP: 0000000000001f1e R08: 000000000000022e R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd48b4508c
R13: 00007ffd48b450c0 R14: 00007ffd48b450a0 R15: 0000000000000b33
 </TASK>

The buggy address belongs to stack of task syz-executor634/5097
 and is located at offset 0 in frame:
 queued_read_lock_slowpath+0x0/0x2ad arch/x86/include/asm/paravirt.h:586

This frame has 1 object:
 [32, 36) 'val'

The buggy address belongs to the virtual mapping at
 [ffffc90003ad0000, ffffc90003ad9000) created by:
 kernel_clone+0xfd/0x930 kernel/fork.c:2907

The buggy address belongs to the physical page:
page:ffffea0001f61b80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7d86e
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x2dc2(GFP_KERNEL|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_ZERO), pid 4522, tgid 4522 (udevd), ts 88800819393, free_ts 82218931323
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2d0/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1544 [inline]
 get_page_from_freelist+0xa25/0x36d0 mm/page_alloc.c:3312
 __alloc_pages+0x22e/0x2420 mm/page_alloc.c:4568
 alloc_pages_mpol+0x258/0x5f0 mm/mempolicy.c:2133
 vm_area_alloc_pages mm/vmalloc.c:3063 [inline]
 __vmalloc_area_node mm/vmalloc.c:3139 [inline]
 __vmalloc_node_range+0xa6e/0x1540 mm/vmalloc.c:3320
 alloc_thread_stack_node kernel/fork.c:309 [inline]
 dup_task_struct kernel/fork.c:1118 [inline]
 copy_process+0x138b/0x73f0 kernel/fork.c:2332
 kernel_clone+0xfd/0x930 kernel/fork.c:2907
 __do_sys_clone+0xba/0x100 kernel/fork.c:3050
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1137 [inline]
 free_unref_page_prepare+0x4fa/0xaa0 mm/page_alloc.c:2347
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2487
 __unfreeze_partials+0x226/0x240 mm/slub.c:2655
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:763 [inline]
 slab_alloc_node mm/slub.c:3478 [inline]
 slab_alloc mm/slub.c:3486 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
 kmem_cache_alloc+0x15d/0x2f0 mm/slub.c:3502
 getname_flags.part.0+0x50/0x4e0 fs/namei.c:140
 getname_flags include/linux/audit.h:321 [inline]
 getname fs/namei.c:219 [inline]
 __do_sys_unlink fs/namei.c:4430 [inline]
 __se_sys_unlink fs/namei.c:4428 [inline]
 __x64_sys_unlink+0xb3/0x110 fs/namei.c:4428
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Memory state around the buggy address:
 ffffc90003ad7a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90003ad7b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc90003ad7b80: 00 00 00 00 00 00 f1 f1 f1 f1 04 f3 f3 f3 00 00
                                     ^
 ffffc90003ad7c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc90003ad7c80: 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00
==================================================================
----------------
Code disassembly (best guess):
   0:	00 8b 03 84 c0 74    	add    %cl,0x74c08403(%rbx)
   6:	36 48 b8 00 00 00 00 	ss movabs $0xdffffc0000000000,%rax
   d:	00 fc ff df
  11:	49 89 de             	mov    %rbx,%r14
  14:	48 89 dd             	mov    %rbx,%rbp
  17:	49 c1 ee 03          	shr    $0x3,%r14
  1b:	83 e5 07             	and    $0x7,%ebp
  1e:	49 01 c6             	add    %rax,%r14
  21:	83 c5 03             	add    $0x3,%ebp
  24:	f3 90                	pause
  26:	41 0f b6 06          	movzbl (%r14),%eax
* 2a:	40 38 c5             	cmp    %al,%bpl <-- trapping instruction
  2d:	7c 08                	jl     0x37
  2f:	84 c0                	test   %al,%al
  31:	0f 85 1b 01 00 00    	jne    0x152
  37:	8b 03                	mov    (%rbx),%eax
  39:	84 c0                	test   %al,%al
  3b:	75 e7                	jne    0x24
  3d:	48                   	rex.W
  3e:	c7                   	.byte 0xc7
  3f:	c0                   	.byte 0xc0