[   29.173946] ==================================================================
[   29.174687] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   29.175111] Read of size 121 at addr ffff8881060c3d00 by task kunit_try_catch/333
[   29.175345] 
[   29.175429] CPU: 1 UID: 0 PID: 333 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5-next-20250710 #1 PREEMPT(voluntary) 
[   29.175506] Tainted: [B]=BAD_PAGE, [N]=TEST
[   29.175521] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   29.175543] Call Trace:
[   29.175561]  <TASK>
[   29.175578]  dump_stack_lvl+0x73/0xb0
[   29.175608]  print_report+0xd1/0x610
[   29.175632]  ? __virt_addr_valid+0x1db/0x2d0
[   29.175658]  ? _copy_to_user+0x3c/0x70
[   29.175689]  ? kasan_complete_mode_report_info+0x2a/0x200
[   29.175734]  ? _copy_to_user+0x3c/0x70
[   29.175757]  kasan_report+0x141/0x180
[   29.175780]  ? _copy_to_user+0x3c/0x70
[   29.175810]  kasan_check_range+0x10c/0x1c0
[   29.175834]  __kasan_check_read+0x15/0x20
[   29.175863]  _copy_to_user+0x3c/0x70
[   29.175887]  copy_user_test_oob+0x364/0x10f0
[   29.175914]  ? __pfx_copy_user_test_oob+0x10/0x10
[   29.175938]  ? finish_task_switch.isra.0+0x153/0x700
[   29.175962]  ? __switch_to+0x47/0xf80
[   29.175998]  ? __schedule+0x10cc/0x2b60
[   29.176023]  ? __pfx_read_tsc+0x10/0x10
[   29.176045]  ? ktime_get_ts64+0x86/0x230
[   29.176082]  kunit_try_run_case+0x1a5/0x480
[   29.176105]  ? __pfx_kunit_try_run_case+0x10/0x10
[   29.176127]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   29.176151]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   29.176184]  ? __kthread_parkme+0x82/0x180
[   29.176206]  ? preempt_count_sub+0x50/0x80
[   29.176231]  ? __pfx_kunit_try_run_case+0x10/0x10
[   29.176264]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   29.176291]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   29.176319]  kthread+0x337/0x6f0
[   29.176340]  ? trace_preempt_on+0x20/0xc0
[   29.176365]  ? __pfx_kthread+0x10/0x10
[   29.176388]  ? _raw_spin_unlock_irq+0x47/0x80
[   29.176410]  ? calculate_sigpending+0x7b/0xa0
[   29.176436]  ? __pfx_kthread+0x10/0x10
[   29.176460]  ret_from_fork+0x116/0x1d0
[   29.176499]  ? __pfx_kthread+0x10/0x10
[   29.176521]  ret_from_fork_asm+0x1a/0x30
[   29.176554]  </TASK>
[   29.176567] 
[   29.186757] Allocated by task 333:
[   29.186947]  kasan_save_stack+0x45/0x70
[   29.187244]  kasan_save_track+0x18/0x40
[   29.187457]  kasan_save_alloc_info+0x3b/0x50
[   29.187839]  __kasan_kmalloc+0xb7/0xc0
[   29.188167]  __kmalloc_noprof+0x1c9/0x500
[   29.188570]  kunit_kmalloc_array+0x25/0x60
[   29.188801]  copy_user_test_oob+0xab/0x10f0
[   29.189211]  kunit_try_run_case+0x1a5/0x480
[   29.189533]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   29.189841]  kthread+0x337/0x6f0
[   29.190298]  ret_from_fork+0x116/0x1d0
[   29.190442]  ret_from_fork_asm+0x1a/0x30
[   29.190589] 
[   29.190657] The buggy address belongs to the object at ffff8881060c3d00
[   29.190657]  which belongs to the cache kmalloc-128 of size 128
[   29.191140] The buggy address is located 0 bytes inside of
[   29.191140]  allocated 120-byte region [ffff8881060c3d00, ffff8881060c3d78)
[   29.191750] 
[   29.191866] The buggy address belongs to the physical page:
[   29.192047] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060c3
[   29.192400] flags: 0x200000000000000(node=0|zone=2)
[   29.192642] page_type: f5(slab)
[   29.192776] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   29.193071] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   29.193486] page dumped because: kasan: bad access detected
[   29.194058] 
[   29.194372] Memory state around the buggy address:
[   29.194882]  ffff8881060c3c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   29.195229]  ffff8881060c3c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.195687] >ffff8881060c3d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   29.196092]                                                                 ^
[   29.196541]  ffff8881060c3d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.196914]  ffff8881060c3e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.197374] ==================================================================