[   28.036811] ==================================================================
[   28.037144] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   28.037680] Read of size 121 at addr ffff8881060ac600 by task kunit_try_catch/335
[   28.038235] 
[   28.038322] CPU: 1 UID: 0 PID: 335 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) 
[   28.038374] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   28.038388] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.038410] Call Trace:
[   28.038429]  <TASK>
[   28.038447]  dump_stack_lvl+0x73/0xb0
[   28.038478]  print_report+0xd1/0x610
[   28.038502]  ? __virt_addr_valid+0x1db/0x2d0
[   28.038527]  ? _copy_to_user+0x3c/0x70
[   28.038549]  ? kasan_complete_mode_report_info+0x2a/0x200
[   28.038576]  ? _copy_to_user+0x3c/0x70
[   28.038598]  kasan_report+0x141/0x180
[   28.038621]  ? _copy_to_user+0x3c/0x70
[   28.038647]  kasan_check_range+0x10c/0x1c0
[   28.038672]  __kasan_check_read+0x15/0x20
[   28.038707]  _copy_to_user+0x3c/0x70
[   28.038731]  copy_user_test_oob+0x364/0x10f0
[   28.038757]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.038792]  ? finish_task_switch.isra.0+0x153/0x700
[   28.038816]  ? __switch_to+0x47/0xf80
[   28.038844]  ? __schedule+0x10cc/0x2b60
[   28.038869]  ? __pfx_read_tsc+0x10/0x10
[   28.038891]  ? ktime_get_ts64+0x86/0x230
[   28.038918]  kunit_try_run_case+0x1a5/0x480
[   28.038941]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.038962]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   28.038986]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.039012]  ? __kthread_parkme+0x82/0x180
[   28.039033]  ? preempt_count_sub+0x50/0x80
[   28.039058]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.039081]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.039106]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.039131]  kthread+0x337/0x6f0
[   28.039153]  ? trace_preempt_on+0x20/0xc0
[   28.039176]  ? __pfx_kthread+0x10/0x10
[   28.039198]  ? _raw_spin_unlock_irq+0x47/0x80
[   28.039221]  ? calculate_sigpending+0x7b/0xa0
[   28.039247]  ? __pfx_kthread+0x10/0x10
[   28.039269]  ret_from_fork+0x116/0x1d0
[   28.039289]  ? __pfx_kthread+0x10/0x10
[   28.039311]  ret_from_fork_asm+0x1a/0x30
[   28.039343]  </TASK>
[   28.039355] 
[   28.050460] Allocated by task 335:
[   28.050882]  kasan_save_stack+0x45/0x70
[   28.051195]  kasan_save_track+0x18/0x40
[   28.051396]  kasan_save_alloc_info+0x3b/0x50
[   28.051590]  __kasan_kmalloc+0xb7/0xc0
[   28.051769]  __kmalloc_noprof+0x1c9/0x500
[   28.052228]  kunit_kmalloc_array+0x25/0x60
[   28.052541]  copy_user_test_oob+0xab/0x10f0
[   28.052900]  kunit_try_run_case+0x1a5/0x480
[   28.053097]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.053330]  kthread+0x337/0x6f0
[   28.053482]  ret_from_fork+0x116/0x1d0
[   28.053650]  ret_from_fork_asm+0x1a/0x30
[   28.054250] 
[   28.054359] The buggy address belongs to the object at ffff8881060ac600
[   28.054359]  which belongs to the cache kmalloc-128 of size 128
[   28.055318] The buggy address is located 0 bytes inside of
[   28.055318]  allocated 120-byte region [ffff8881060ac600, ffff8881060ac678)
[   28.056463] 
[   28.056553] The buggy address belongs to the physical page:
[   28.057007] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060ac
[   28.057327] flags: 0x200000000000000(node=0|zone=2)
[   28.057538] page_type: f5(slab)
[   28.057703] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   28.057934] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   28.058466] page dumped because: kasan: bad access detected
[   28.058686] 
[   28.058767] Memory state around the buggy address:
[   28.058987]  ffff8881060ac500: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.059261]  ffff8881060ac580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.059477] >ffff8881060ac600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   28.059790]                                                                 ^
[   28.060028]  ffff8881060ac680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.060544]  ffff8881060ac700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.060826] ==================================================================