[   26.072253] ==================================================================
[   26.072596] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   26.073030] Read of size 121 at addr ffff8881024e1b00 by task kunit_try_catch/314
[   26.073663] 
[   26.073790] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc3-next-20250626 #1 PREEMPT(voluntary) 
[   26.073972] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.073991] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.074024] Call Trace:
[   26.074048]  <TASK>
[   26.074070]  dump_stack_lvl+0x73/0xb0
[   26.074102]  print_report+0xd1/0x650
[   26.074128]  ? __virt_addr_valid+0x1db/0x2d0
[   26.074154]  ? _copy_to_user+0x3c/0x70
[   26.074174]  ? kasan_complete_mode_report_info+0x2a/0x200
[   26.074202]  ? _copy_to_user+0x3c/0x70
[   26.074237]  kasan_report+0x141/0x180
[   26.074260]  ? _copy_to_user+0x3c/0x70
[   26.074285]  kasan_check_range+0x10c/0x1c0
[   26.074309]  __kasan_check_read+0x15/0x20
[   26.074333]  _copy_to_user+0x3c/0x70
[   26.074354]  copy_user_test_oob+0x364/0x10f0
[   26.074380]  ? __pfx_copy_user_test_oob+0x10/0x10
[   26.074404]  ? finish_task_switch.isra.0+0x153/0x700
[   26.074427]  ? __switch_to+0x47/0xf50
[   26.074454]  ? __schedule+0x10cc/0x2b60
[   26.074480]  ? __pfx_read_tsc+0x10/0x10
[   26.074503]  ? ktime_get_ts64+0x86/0x230
[   26.074528]  kunit_try_run_case+0x1a5/0x480
[   26.074554]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.074577]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   26.074603]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   26.074629]  ? __kthread_parkme+0x82/0x180
[   26.074650]  ? preempt_count_sub+0x50/0x80
[   26.074674]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.074699]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.074723]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   26.074747]  kthread+0x337/0x6f0
[   26.074769]  ? trace_preempt_on+0x20/0xc0
[   26.074793]  ? __pfx_kthread+0x10/0x10
[   26.074815]  ? _raw_spin_unlock_irq+0x47/0x80
[   26.074840]  ? calculate_sigpending+0x7b/0xa0
[   26.074864]  ? __pfx_kthread+0x10/0x10
[   26.074886]  ret_from_fork+0x116/0x1d0
[   26.074906]  ? __pfx_kthread+0x10/0x10
[   26.074929]  ret_from_fork_asm+0x1a/0x30
[   26.074961]  </TASK>
[   26.074974] 
[   26.084894] Allocated by task 314:
[   26.085086]  kasan_save_stack+0x45/0x70
[   26.085504]  kasan_save_track+0x18/0x40
[   26.085765]  kasan_save_alloc_info+0x3b/0x50
[   26.085937]  __kasan_kmalloc+0xb7/0xc0
[   26.086274]  __kmalloc_noprof+0x1c9/0x500
[   26.086463]  kunit_kmalloc_array+0x25/0x60
[   26.086666]  copy_user_test_oob+0xab/0x10f0
[   26.086850]  kunit_try_run_case+0x1a5/0x480
[   26.087333]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.087571]  kthread+0x337/0x6f0
[   26.087707]  ret_from_fork+0x116/0x1d0
[   26.088018]  ret_from_fork_asm+0x1a/0x30
[   26.088355] 
[   26.088437] The buggy address belongs to the object at ffff8881024e1b00
[   26.088437]  which belongs to the cache kmalloc-128 of size 128
[   26.089131] The buggy address is located 0 bytes inside of
[   26.089131]  allocated 120-byte region [ffff8881024e1b00, ffff8881024e1b78)
[   26.089624] 
[   26.089714] The buggy address belongs to the physical page:
[   26.089949] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1024e1
[   26.090663] flags: 0x200000000000000(node=0|zone=2)
[   26.090954] page_type: f5(slab)
[   26.091089] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   26.091569] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   26.091970] page dumped because: kasan: bad access detected
[   26.092325] 
[   26.092399] Memory state around the buggy address:
[   26.092754]  ffff8881024e1a00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   26.093199]  ffff8881024e1a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.093618] >ffff8881024e1b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   26.094014]                                                                 ^
[   26.094430]  ffff8881024e1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.094794]  ffff8881024e1c00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.095216] ==================================================================