[   26.191145] ==================================================================
[   26.191443] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   26.191773] Read of size 121 at addr ffff888102c14900 by task kunit_try_catch/314
[   26.192305] 
[   26.192520] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc3-next-20250623 #1 PREEMPT(voluntary) 
[   26.192604] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.192629] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.192695] Call Trace:
[   26.192723]  <TASK>
[   26.192767]  dump_stack_lvl+0x73/0xb0
[   26.192820]  print_report+0xd1/0x650
[   26.192855]  ? __virt_addr_valid+0x1db/0x2d0
[   26.192922]  ? _copy_to_user+0x3c/0x70
[   26.192959]  ? kasan_complete_mode_report_info+0x2a/0x200
[   26.193021]  ? _copy_to_user+0x3c/0x70
[   26.193049]  kasan_report+0x141/0x180
[   26.193098]  ? _copy_to_user+0x3c/0x70
[   26.193142]  kasan_check_range+0x10c/0x1c0
[   26.193198]  __kasan_check_read+0x15/0x20
[   26.193239]  _copy_to_user+0x3c/0x70
[   26.193285]  copy_user_test_oob+0x364/0x10f0
[   26.193334]  ? __pfx_copy_user_test_oob+0x10/0x10
[   26.193395]  ? finish_task_switch.isra.0+0x153/0x700
[   26.193440]  ? __switch_to+0x47/0xf50
[   26.193504]  ? __schedule+0x10cc/0x2b60
[   26.193534]  ? __pfx_read_tsc+0x10/0x10
[   26.193556]  ? ktime_get_ts64+0x86/0x230
[   26.193579]  kunit_try_run_case+0x1a5/0x480
[   26.193600]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.193619]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   26.193639]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   26.193659]  ? __kthread_parkme+0x82/0x180
[   26.193677]  ? preempt_count_sub+0x50/0x80
[   26.193697]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.193717]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.193738]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   26.193758]  kthread+0x337/0x6f0
[   26.193775]  ? trace_preempt_on+0x20/0xc0
[   26.193795]  ? __pfx_kthread+0x10/0x10
[   26.193813]  ? _raw_spin_unlock_irq+0x47/0x80
[   26.193853]  ? calculate_sigpending+0x7b/0xa0
[   26.193877]  ? __pfx_kthread+0x10/0x10
[   26.193896]  ret_from_fork+0x116/0x1d0
[   26.193912]  ? __pfx_kthread+0x10/0x10
[   26.193931]  ret_from_fork_asm+0x1a/0x30
[   26.193958]  </TASK>
[   26.193970] 
[   26.203468] Allocated by task 314:
[   26.203701]  kasan_save_stack+0x45/0x70
[   26.203937]  kasan_save_track+0x18/0x40
[   26.204245]  kasan_save_alloc_info+0x3b/0x50
[   26.204619]  __kasan_kmalloc+0xb7/0xc0
[   26.204769]  __kmalloc_noprof+0x1c9/0x500
[   26.205421]  kunit_kmalloc_array+0x25/0x60
[   26.205660]  copy_user_test_oob+0xab/0x10f0
[   26.205833]  kunit_try_run_case+0x1a5/0x480
[   26.205997]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.206197]  kthread+0x337/0x6f0
[   26.206334]  ret_from_fork+0x116/0x1d0
[   26.206537]  ret_from_fork_asm+0x1a/0x30
[   26.206826] 
[   26.206973] The buggy address belongs to the object at ffff888102c14900
[   26.206973]  which belongs to the cache kmalloc-128 of size 128
[   26.209206] The buggy address is located 0 bytes inside of
[   26.209206]  allocated 120-byte region [ffff888102c14900, ffff888102c14978)
[   26.210200] 
[   26.210397] The buggy address belongs to the physical page:
[   26.210948] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c14
[   26.211305] flags: 0x200000000000000(node=0|zone=2)
[   26.211637] page_type: f5(slab)
[   26.211853] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   26.212255] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   26.212648] page dumped because: kasan: bad access detected
[   26.213023] 
[   26.213177] Memory state around the buggy address:
[   26.213406]  ffff888102c14800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   26.213852]  ffff888102c14880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.214180] >ffff888102c14900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   26.214643]                                                                 ^
[   26.215009]  ffff888102c14980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.215418]  ffff888102c14a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.215680] ==================================================================