[   27.064006] ==================================================================
[   27.064442] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   27.064851] Read of size 121 at addr ffff888105ab1d00 by task kunit_try_catch/334
[   27.065225] 
[   27.065318] CPU: 0 UID: 0 PID: 334 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) 
[   27.065393] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.065586] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.065612] Call Trace:
[   27.065632]  <TASK>
[   27.065651]  dump_stack_lvl+0x73/0xb0
[   27.065683]  print_report+0xd1/0x650
[   27.065709]  ? __virt_addr_valid+0x1db/0x2d0
[   27.065735]  ? _copy_to_user+0x3c/0x70
[   27.065756]  ? kasan_complete_mode_report_info+0x2a/0x200
[   27.065784]  ? _copy_to_user+0x3c/0x70
[   27.065806]  kasan_report+0x141/0x180
[   27.065829]  ? _copy_to_user+0x3c/0x70
[   27.065863]  kasan_check_range+0x10c/0x1c0
[   27.065888]  __kasan_check_read+0x15/0x20
[   27.065912]  _copy_to_user+0x3c/0x70
[   27.065935]  copy_user_test_oob+0x364/0x10f0
[   27.065962]  ? __pfx_copy_user_test_oob+0x10/0x10
[   27.065986]  ? finish_task_switch.isra.0+0x153/0x700
[   27.066010]  ? __switch_to+0x47/0xf50
[   27.066037]  ? __schedule+0x10cc/0x2b60
[   27.066064]  ? __pfx_read_tsc+0x10/0x10
[   27.066086]  ? ktime_get_ts64+0x86/0x230
[   27.066112]  kunit_try_run_case+0x1a5/0x480
[   27.066138]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.066163]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   27.066186]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.066241]  ? __kthread_parkme+0x82/0x180
[   27.066263]  ? preempt_count_sub+0x50/0x80
[   27.066288]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.066315]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.066340]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.066366]  kthread+0x337/0x6f0
[   27.066388]  ? trace_preempt_on+0x20/0xc0
[   27.066411]  ? __pfx_kthread+0x10/0x10
[   27.066435]  ? _raw_spin_unlock_irq+0x47/0x80
[   27.066470]  ? calculate_sigpending+0x7b/0xa0
[   27.066497]  ? __pfx_kthread+0x10/0x10
[   27.066521]  ret_from_fork+0x116/0x1d0
[   27.066542]  ? __pfx_kthread+0x10/0x10
[   27.066565]  ret_from_fork_asm+0x1a/0x30
[   27.066597]  </TASK>
[   27.066610] 
[   27.076720] Allocated by task 334:
[   27.076890]  kasan_save_stack+0x45/0x70
[   27.077221]  kasan_save_track+0x18/0x40
[   27.077434]  kasan_save_alloc_info+0x3b/0x50
[   27.077798]  __kasan_kmalloc+0xb7/0xc0
[   27.078061]  __kmalloc_noprof+0x1c9/0x500
[   27.078399]  kunit_kmalloc_array+0x25/0x60
[   27.078582]  copy_user_test_oob+0xab/0x10f0
[   27.078891]  kunit_try_run_case+0x1a5/0x480
[   27.079173]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.079388]  kthread+0x337/0x6f0
[   27.079550]  ret_from_fork+0x116/0x1d0
[   27.079721]  ret_from_fork_asm+0x1a/0x30
[   27.079902] 
[   27.079977] The buggy address belongs to the object at ffff888105ab1d00
[   27.079977]  which belongs to the cache kmalloc-128 of size 128
[   27.080824] The buggy address is located 0 bytes inside of
[   27.080824]  allocated 120-byte region [ffff888105ab1d00, ffff888105ab1d78)
[   27.081511] 
[   27.081613] The buggy address belongs to the physical page:
[   27.081986] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ab1
[   27.082437] flags: 0x200000000000000(node=0|zone=2)
[   27.082751] page_type: f5(slab)
[   27.082905] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   27.083352] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   27.083729] page dumped because: kasan: bad access detected
[   27.083921] 
[   27.084008] Memory state around the buggy address:
[   27.084236]  ffff888105ab1c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.084758]  ffff888105ab1c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.085124] >ffff888105ab1d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   27.085624]                                                                 ^
[   27.085931]  ffff888105ab1d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.086372]  ffff888105ab1e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.086741] ==================================================================