[   28.034421] ==================================================================
[   28.034795] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   28.035066] Read of size 121 at addr ffff8881060ab300 by task kunit_try_catch/333
[   28.035400] 
[   28.035512] CPU: 1 UID: 0 PID: 333 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) 
[   28.035574] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.035589] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.035610] Call Trace:
[   28.035646]  <TASK>
[   28.035663]  dump_stack_lvl+0x73/0xb0
[   28.035692]  print_report+0xd1/0x610
[   28.035716]  ? __virt_addr_valid+0x1db/0x2d0
[   28.035740]  ? _copy_to_user+0x3c/0x70
[   28.035763]  ? kasan_complete_mode_report_info+0x2a/0x200
[   28.035808]  ? _copy_to_user+0x3c/0x70
[   28.035832]  kasan_report+0x141/0x180
[   28.035855]  ? _copy_to_user+0x3c/0x70
[   28.035884]  kasan_check_range+0x10c/0x1c0
[   28.035908]  __kasan_check_read+0x15/0x20
[   28.035932]  _copy_to_user+0x3c/0x70
[   28.035977]  copy_user_test_oob+0x364/0x10f0
[   28.036004]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.036043]  ? finish_task_switch.isra.0+0x153/0x700
[   28.036067]  ? __switch_to+0x47/0xf80
[   28.036094]  ? __schedule+0x10cc/0x2b60
[   28.036116]  ? __pfx_read_tsc+0x10/0x10
[   28.036140]  ? ktime_get_ts64+0x86/0x230
[   28.036165]  kunit_try_run_case+0x1a5/0x480
[   28.036189]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.036211]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   28.036233]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.036257]  ? __kthread_parkme+0x82/0x180
[   28.036278]  ? preempt_count_sub+0x50/0x80
[   28.036302]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.036326]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.036353]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.036381]  kthread+0x337/0x6f0
[   28.036401]  ? trace_preempt_on+0x20/0xc0
[   28.036425]  ? __pfx_kthread+0x10/0x10
[   28.036446]  ? _raw_spin_unlock_irq+0x47/0x80
[   28.036471]  ? calculate_sigpending+0x7b/0xa0
[   28.036496]  ? __pfx_kthread+0x10/0x10
[   28.036519]  ret_from_fork+0x116/0x1d0
[   28.036551]  ? __pfx_kthread+0x10/0x10
[   28.036573]  ret_from_fork_asm+0x1a/0x30
[   28.036607]  </TASK>
[   28.036618] 
[   28.044137] Allocated by task 333:
[   28.044294]  kasan_save_stack+0x45/0x70
[   28.044432]  kasan_save_track+0x18/0x40
[   28.044576]  kasan_save_alloc_info+0x3b/0x50
[   28.044721]  __kasan_kmalloc+0xb7/0xc0
[   28.044887]  __kmalloc_noprof+0x1c9/0x500
[   28.045082]  kunit_kmalloc_array+0x25/0x60
[   28.045303]  copy_user_test_oob+0xab/0x10f0
[   28.045503]  kunit_try_run_case+0x1a5/0x480
[   28.045742]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.045917]  kthread+0x337/0x6f0
[   28.046032]  ret_from_fork+0x116/0x1d0
[   28.046160]  ret_from_fork_asm+0x1a/0x30
[   28.046315] 
[   28.046404] The buggy address belongs to the object at ffff8881060ab300
[   28.046404]  which belongs to the cache kmalloc-128 of size 128
[   28.047402] The buggy address is located 0 bytes inside of
[   28.047402]  allocated 120-byte region [ffff8881060ab300, ffff8881060ab378)
[   28.047977] 
[   28.048077] The buggy address belongs to the physical page:
[   28.048599] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060ab
[   28.048961] flags: 0x200000000000000(node=0|zone=2)
[   28.049190] page_type: f5(slab)
[   28.049356] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   28.049701] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   28.049925] page dumped because: kasan: bad access detected
[   28.050090] 
[   28.050154] Memory state around the buggy address:
[   28.050303]  ffff8881060ab200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.050637]  ffff8881060ab280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.050968] >ffff8881060ab300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   28.051296]                                                                 ^
[   28.051649]  ffff8881060ab380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.051985]  ffff8881060ab400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.052315] ==================================================================