[   28.392007] ==================================================================
[   28.392401] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   28.392895] Read of size 121 at addr ffff888105919e00 by task kunit_try_catch/334
[   28.393398] 
[   28.393507] CPU: 1 UID: 0 PID: 334 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc6-next-20250714 #1 PREEMPT(voluntary) 
[   28.393564] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   28.393579] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.393605] Call Trace:
[   28.393626]  <TASK>
[   28.393649]  dump_stack_lvl+0x73/0xb0
[   28.393945]  print_report+0xd1/0x610
[   28.393985]  ? __virt_addr_valid+0x1db/0x2d0
[   28.394011]  ? _copy_to_user+0x3c/0x70
[   28.394033]  ? kasan_complete_mode_report_info+0x2a/0x200
[   28.394067]  ? _copy_to_user+0x3c/0x70
[   28.394088]  kasan_report+0x141/0x180
[   28.394111]  ? _copy_to_user+0x3c/0x70
[   28.394137]  kasan_check_range+0x10c/0x1c0
[   28.394161]  __kasan_check_read+0x15/0x20
[   28.394185]  _copy_to_user+0x3c/0x70
[   28.394208]  copy_user_test_oob+0x364/0x10f0
[   28.394234]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.394257]  ? sysvec_apic_timer_interrupt+0x50/0x90
[   28.394289]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.394317]  kunit_try_run_case+0x1a5/0x480
[   28.394340]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.394362]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   28.394387]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.394412]  ? __kthread_parkme+0x82/0x180
[   28.394435]  ? preempt_count_sub+0x50/0x80
[   28.394461]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.394483]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.394509]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.394536]  kthread+0x337/0x6f0
[   28.394557]  ? trace_preempt_on+0x20/0xc0
[   28.394582]  ? __pfx_kthread+0x10/0x10
[   28.394604]  ? _raw_spin_unlock_irq+0x47/0x80
[   28.394628]  ? calculate_sigpending+0x7b/0xa0
[   28.394663]  ? __pfx_kthread+0x10/0x10
[   28.394686]  ret_from_fork+0x116/0x1d0
[   28.394707]  ? __pfx_kthread+0x10/0x10
[   28.394729]  ret_from_fork_asm+0x1a/0x30
[   28.394773]  </TASK>
[   28.394785] 
[   28.404237] Allocated by task 334:
[   28.404520]  kasan_save_stack+0x45/0x70
[   28.404818]  kasan_save_track+0x18/0x40
[   28.405020]  kasan_save_alloc_info+0x3b/0x50
[   28.405338]  __kasan_kmalloc+0xb7/0xc0
[   28.405581]  __kmalloc_noprof+0x1c9/0x500
[   28.405775]  kunit_kmalloc_array+0x25/0x60
[   28.405965]  copy_user_test_oob+0xab/0x10f0
[   28.406334]  kunit_try_run_case+0x1a5/0x480
[   28.406536]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.406926]  kthread+0x337/0x6f0
[   28.407088]  ret_from_fork+0x116/0x1d0
[   28.407255]  ret_from_fork_asm+0x1a/0x30
[   28.407429] 
[   28.407502] The buggy address belongs to the object at ffff888105919e00
[   28.407502]  which belongs to the cache kmalloc-128 of size 128
[   28.408339] The buggy address is located 0 bytes inside of
[   28.408339]  allocated 120-byte region [ffff888105919e00, ffff888105919e78)
[   28.408960] 
[   28.409145] The buggy address belongs to the physical page:
[   28.409375] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105919
[   28.409842] flags: 0x200000000000000(node=0|zone=2)
[   28.410148] page_type: f5(slab)
[   28.410285] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   28.410729] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   28.411107] page dumped because: kasan: bad access detected
[   28.411302] 
[   28.411392] Memory state around the buggy address:
[   28.411614]  ffff888105919d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.412105]  ffff888105919d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.412487] >ffff888105919e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   28.412751]                                                                 ^
[   28.413226]  ffff888105919e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.413518]  ffff888105919f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.413812] ==================================================================