[   28.603193] ==================================================================
[   28.603516] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   28.603991] Read of size 121 at addr ffff8881053b7a00 by task kunit_try_catch/333
[   28.604653] 
[   28.604774] CPU: 0 UID: 0 PID: 333 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250718 #1 PREEMPT(voluntary) 
[   28.604827] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.604841] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.604864] Call Trace:
[   28.604879]  <TASK>
[   28.604894]  dump_stack_lvl+0x73/0xb0
[   28.604926]  print_report+0xd1/0x640
[   28.605089]  ? __virt_addr_valid+0x1db/0x2d0
[   28.605122]  ? _copy_to_user+0x3c/0x70
[   28.605159]  ? kasan_complete_mode_report_info+0x2a/0x200
[   28.605186]  ? _copy_to_user+0x3c/0x70
[   28.605210]  kasan_report+0x141/0x180
[   28.605233]  ? _copy_to_user+0x3c/0x70
[   28.605260]  kasan_check_range+0x10c/0x1c0
[   28.605293]  __kasan_check_read+0x15/0x20
[   28.605316]  _copy_to_user+0x3c/0x70
[   28.605355]  copy_user_test_oob+0x364/0x10f0
[   28.605382]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.605404]  ? finish_task_switch.isra.0+0x153/0x700
[   28.605427]  ? __switch_to+0x47/0xf80
[   28.605453]  ? __schedule+0x10da/0x2b60
[   28.605477]  ? __pfx_read_tsc+0x10/0x10
[   28.605499]  ? ktime_get_ts64+0x86/0x230
[   28.605525]  kunit_try_run_case+0x1a5/0x480
[   28.605548]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.605571]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   28.605605]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.605639]  ? __kthread_parkme+0x82/0x180
[   28.605659]  ? preempt_count_sub+0x50/0x80
[   28.605682]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.605706]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.605729]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.605752]  kthread+0x337/0x6f0
[   28.605772]  ? trace_preempt_on+0x20/0xc0
[   28.605811]  ? __pfx_kthread+0x10/0x10
[   28.605848]  ? _raw_spin_unlock_irq+0x47/0x80
[   28.605879]  ? calculate_sigpending+0x7b/0xa0
[   28.605904]  ? __pfx_kthread+0x10/0x10
[   28.605926]  ret_from_fork+0x116/0x1d0
[   28.605945]  ? __pfx_kthread+0x10/0x10
[   28.605965]  ret_from_fork_asm+0x1a/0x30
[   28.605996]  </TASK>
[   28.606007] 
[   28.617095] Allocated by task 333:
[   28.617268]  kasan_save_stack+0x45/0x70
[   28.617847]  kasan_save_track+0x18/0x40
[   28.618287]  kasan_save_alloc_info+0x3b/0x50
[   28.618612]  __kasan_kmalloc+0xb7/0xc0
[   28.618766]  __kmalloc_noprof+0x1ca/0x510
[   28.619206]  kunit_kmalloc_array+0x25/0x60
[   28.619663]  copy_user_test_oob+0xab/0x10f0
[   28.619895]  kunit_try_run_case+0x1a5/0x480
[   28.620220]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.620788]  kthread+0x337/0x6f0
[   28.621048]  ret_from_fork+0x116/0x1d0
[   28.621314]  ret_from_fork_asm+0x1a/0x30
[   28.621512] 
[   28.621609] The buggy address belongs to the object at ffff8881053b7a00
[   28.621609]  which belongs to the cache kmalloc-128 of size 128
[   28.622387] The buggy address is located 0 bytes inside of
[   28.622387]  allocated 120-byte region [ffff8881053b7a00, ffff8881053b7a78)
[   28.623216] 
[   28.623324] The buggy address belongs to the physical page:
[   28.623668] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1053b7
[   28.624217] flags: 0x200000000000000(node=0|zone=2)
[   28.624463] page_type: f5(slab)
[   28.624619] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   28.625203] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   28.625634] page dumped because: kasan: bad access detected
[   28.625874] 
[   28.625967] Memory state around the buggy address:
[   28.626167]  ffff8881053b7900: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.626844]  ffff8881053b7980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.627238] >ffff8881053b7a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   28.627713]                                                                 ^
[   28.628190]  ffff8881053b7a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.628546]  ffff8881053b7b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.628810] ==================================================================