==================================================================
BUG: KASAN: stack-out-of-bounds in profile_pc+0xd2/0x170 arch/x86/kernel/time.c:42
Read of size 8 at addr ffffc900038af6e0 by task dhcpcd/4762

CPU: 0 PID: 4762 Comm: dhcpcd Not tainted 6.10.0-rc5-syzkaller-00200-g5bbd9b249880 #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+0x241/0x360 lib/dump_stack.c:114
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0x169/0x550 mm/kasan/report.c:488
 kasan_report+0x143/0x180 mm/kasan/report.c:601
 profile_pc+0xd2/0x170 arch/x86/kernel/time.c:42
 profile_tick+0xd7/0x150 kernel/profile.c:339
 tick_sched_handle kernel/time/tick-sched.c:277 [inline]
 tick_nohz_handler+0x386/0x500 kernel/time/tick-sched.c:297
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x551/0xd50 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 3e 0e 6b f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> b3 cb d4 f5 65 8b 05 44 03 73 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc900038af6e0 EFLAGS: 00000206
RAX: 28b3c3226f82d300 RBX: 1ffff92000715ee0 RCX: ffffffff947a0603
RDX: dffffc0000000000 RSI: ffffffff8bcabb40 RDI: 0000000000000001
RBP: ffffc900038af770 R08: ffffffff8fad506f R09: 1ffffffff1f5aa0d
R10: dffffc0000000000 R11: fffffbfff1f5aa0e R12: dffffc0000000000
R13: 1ffff92000715edc R14: ffffc900038af700 R15: 0000000000000246
 __netlink_sendskb net/netlink/af_netlink.c:1281 [inline]
 netlink_dump+0x8df/0xe50 net/netlink/af_netlink.c:2360
 netlink_recvmsg+0x6bb/0x11d0 net/netlink/af_netlink.c:1987
 sock_recvmsg_nosec net/socket.c:1046 [inline]
 sock_recvmsg+0x22f/0x280 net/socket.c:1068
 ____sys_recvmsg+0x1db/0x470 net/socket.c:2804
 ___sys_recvmsg net/socket.c:2846 [inline]
 __sys_recvmsg+0x2f0/0x3e0 net/socket.c:2876
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3cd843991e
Code: ff 89 ef 48 89 04 24 e8 4f 57 f9 ff 48 8b 04 24 48 83 c4 30 5d c3 c3 64 8b 04 25 18 00 00 00 85 c0 75 21 b8 2f 00 00 00 0f 05 <48> 3d 00 f0 ff ff 76 70 48 8b 15 db c4 0c 00 f7 d8 64 89 02 48 83
RSP: 002b:00007ffcc651d938 EFLAGS: 00000246 ORIG_RAX: 000000000000002f
RAX: ffffffffffffffda RBX: 00007ffcc651ea60 RCX: 00007f3cd843991e
RDX: 0000000000000000 RSI: 00007ffcc651e980 RDI: 0000000000000018
RBP: 00007ffcc651e9f0 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000000ff R11: 0000000000000246 R12: 0000000000000ee8
R13: 00007ffcc651e964 R14: 00007ffcc651e980 R15: 00007ffcc651e970
 </TASK>

The buggy address belongs to stack of task dhcpcd/4762
 and is located at offset 0 in frame:
 _raw_spin_unlock_irqrestore+0x0/0x140 kernel/locking/spinlock.c:187

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

The buggy address belongs to the virtual mapping at
 [ffffc900038a8000, ffffc900038b1000) created by:
 copy_process+0x5d1/0x3dc0 kernel/fork.c:2220

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88802237b360 pfn:0x2237b
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000000000 0000000000000000 dead000000000122 0000000000000000
raw: ffff88802237b360 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 4750, tgid 4750 (S40network), ts 30218890152, free_ts 29300767381
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1473
 prep_new_page mm/page_alloc.c:1481 [inline]
 get_page_from_freelist+0x2e4c/0x2f10 mm/page_alloc.c:3425
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4683
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 vm_area_alloc_pages mm/vmalloc.c:3575 [inline]
 __vmalloc_area_node mm/vmalloc.c:3651 [inline]
 __vmalloc_node_range_noprof+0x971/0x1460 mm/vmalloc.c:3832
 alloc_thread_stack_node kernel/fork.c:309 [inline]
 dup_task_struct+0x444/0x8c0 kernel/fork.c:1115
 copy_process+0x5d1/0x3dc0 kernel/fork.c:2220
 kernel_clone+0x226/0x8f0 kernel/fork.c:2797
 __do_sys_clone kernel/fork.c:2940 [inline]
 __se_sys_clone kernel/fork.c:2924 [inline]
 __x64_sys_clone+0x258/0x2a0 kernel/fork.c:2924
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
page last free pid 4556 tgid 4556 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1093 [inline]
 free_unref_page+0xd22/0xea0 mm/page_alloc.c:2588
 __slab_free+0x31b/0x3d0 mm/slub.c:4349
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x9e/0x140 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:322
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook mm/slub.c:3940 [inline]
 slab_alloc_node mm/slub.c:4002 [inline]
 kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4009
 getname_flags+0xbd/0x4f0 fs/namei.c:139
 getname fs/namei.c:218 [inline]
 __do_sys_rename fs/namei.c:5091 [inline]
 __se_sys_rename fs/namei.c:5089 [inline]
 __x64_sys_rename+0x5f/0xa0 fs/namei.c:5089
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffffc900038af580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900038af600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900038af680: 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1
                                                       ^
 ffffc900038af700: 00 f3 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900038af780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
----------------
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 3e 0e 6b f6       	call   0xf66b0e52
  14:	f6 44 24 21 02       	testb  $0x2,0x21(%rsp)
  19:	75 52                	jne    0x6d
  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 b3 cb d4 f5       	call   0xf5d4cbe2 <-- trapping instruction
  2f:	65 8b 05 44 03 73 74 	mov    %gs:0x74730344(%rip),%eax        # 0x7473037a
  36:	85 c0                	test   %eax,%eax
  38:	74 43                	je     0x7d
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	04 24                	add    $0x24,%al
  3e:	0e                   	(bad)
  3f:	36                   	ss