==================================================================
BUG: KASAN: stack-out-of-bounds in profile_pc+0xd2/0x170 arch/x86/kernel/time.c:42
Read of size 8 at addr ffffc900046b7020 by task syz-executor148/5843

CPU: 0 PID: 5843 Comm: syz-executor148 Not tainted 6.9.0-next-20240523-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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 0e 85 66 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> a3 21 d0 f5 65 8b 05 24 42 6e 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc900046b7020 EFLAGS: 00000206
RAX: 2cb30cd3b8e4d300 RBX: 1ffff920008d6e08 RCX: ffffffff8172f38a
RDX: dffffc0000000000 RSI: ffffffff8bcabaa0 RDI: 0000000000000001
RBP: ffffc900046b70c0 R08: ffffffff92fb6587 R09: 1ffffffff25f6cb0
R10: dffffc0000000000 R11: fffffbfff25f6cb1 R12: dffffc0000000000
R13: 1ffff920008d6e04 R14: ffffc900046b7040 R15: 0000000000000246
 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
 rmqueue_bulk mm/page_alloc.c:2274 [inline]
 __rmqueue_pcplist+0x1f37/0x23a0 mm/page_alloc.c:2947
 rmqueue_pcplist mm/page_alloc.c:2989 [inline]
 rmqueue mm/page_alloc.c:3026 [inline]
 get_page_from_freelist+0x7d8/0x2d90 mm/page_alloc.c:3435
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4696
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 get_free_pages_noprof+0xc/0x30 mm/page_alloc.c:4743
 kasan_populate_vmalloc_pte+0x38/0xe0 mm/kasan/shadow.c:304
 apply_to_pte_range mm/memory.c:2752 [inline]
 apply_to_pmd_range mm/memory.c:2796 [inline]
 apply_to_pud_range mm/memory.c:2832 [inline]
 apply_to_p4d_range mm/memory.c:2868 [inline]
 __apply_to_page_range+0x8a8/0xe50 mm/memory.c:2902
 alloc_vmap_area+0x1d41/0x23e0 mm/vmalloc.c:2034
 __get_vm_area_node+0x1a9/0x270 mm/vmalloc.c:3101
 __vmalloc_node_range_noprof+0x3bc/0x1460 mm/vmalloc.c:3783
 __vmalloc_node_noprof mm/vmalloc.c:3888 [inline]
 vzalloc_noprof+0x79/0x90 mm/vmalloc.c:3961
 profile_init+0xee/0x130 kernel/profile.c:131
 profiling_store+0x5e/0xc0 kernel/ksysfs.c:104
 kernfs_fop_write_iter+0x3a1/0x500 fs/kernfs/file.c:334
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643
 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: 0033:0x7fc9a8848a79
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe6461d498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc9a8848a79
RDX: 0000000000000018 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 0000000000018cd5 R08: 0000000000000006 R09: 0000000000000006
R10: 0000000000000006 R11: 0000000000000246 R12: 00007ffe6461d4ac
R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001
 </TASK>

The buggy address belongs to stack of task syz-executor148/5843
 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
 [ffffc900046b0000, ffffc900046b9000) 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:0x0 pfn:0x2cc72
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
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 5090, tgid 5090 (syz-executor148), ts 97625776192, free_ts 96001440300
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1468
 prep_new_page mm/page_alloc.c:1476 [inline]
 get_page_from_freelist+0x2ce2/0x2d90 mm/page_alloc.c:3438
 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4696
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 vm_area_alloc_pages mm/vmalloc.c:3566 [inline]
 __vmalloc_area_node mm/vmalloc.c:3642 [inline]
 __vmalloc_node_range_noprof+0x971/0x1460 mm/vmalloc.c:3823
 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 5085 tgid 5085 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1088 [inline]
 free_unref_page+0xd22/0xea0 mm/page_alloc.c:2601
 discard_slab mm/slub.c:2526 [inline]
 __put_partials+0xeb/0x130 mm/slub.c:2994
 put_cpu_partial+0x17c/0x250 mm/slub.c:3069
 __slab_free+0x2ea/0x3d0 mm/slub.c:4306
 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:4000 [inline]
 kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4043
 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:656
 alloc_skb_fclone include/linux/skbuff.h:1358 [inline]
 tcp_stream_alloc_skb+0x3d/0x310 net/ipv4/tcp.c:879
 tcp_sendmsg_locked+0xd5f/0x4d70 net/ipv4/tcp.c:1161
 tcp_sendmsg+0x30/0x50 net/ipv4/tcp.c:1348
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:745
 sock_write_iter+0x2dd/0x400 net/socket.c:1160
 new_sync_write fs/read_write.c:497 [inline]
 vfs_write+0xa72/0xc90 fs/read_write.c:590
 ksys_write+0x1a0/0x2c0 fs/read_write.c:643

Memory state around the buggy address:
 ffffc900046b6f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900046b6f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffffc900046b7000: 00 00 00 00 f1 f1 f1 f1 00 f3 f3 f3 00 00 00 00
                               ^
 ffffc900046b7080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffffc900046b7100: 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 0e 85 66 f6       	call   0xf6668522
  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 a3 21 d0 f5       	call   0xf5d021d2 <-- trapping instruction
  2f:	65 8b 05 24 42 6e 74 	mov    %gs:0x746e4224(%rip),%eax        # 0x746e425a
  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