[   19.784279] ==================================================================
[   19.785572] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   19.785808] Write of size 121 at addr ffff888103341c00 by task kunit_try_catch/302
[   19.786007] 
[   19.786152] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250603 #1 PREEMPT(voluntary) 
[   19.786242] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.786261] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.786290] Call Trace:
[   19.786311]  <TASK>
[   19.786342]  dump_stack_lvl+0x73/0xb0
[   19.786383]  print_report+0xd1/0x650
[   19.786415]  ? __virt_addr_valid+0x1db/0x2d0
[   19.786449]  ? _copy_from_user+0x32/0x90
[   19.786492]  ? kasan_complete_mode_report_info+0x2a/0x200
[   19.786524]  ? _copy_from_user+0x32/0x90
[   19.786549]  kasan_report+0x141/0x180
[   19.786576]  ? _copy_from_user+0x32/0x90
[   19.786606]  kasan_check_range+0x10c/0x1c0
[   19.786636]  __kasan_check_write+0x18/0x20
[   19.786659]  _copy_from_user+0x32/0x90
[   19.786687]  copy_user_test_oob+0x2be/0x10f0
[   19.786719]  ? __pfx_copy_user_test_oob+0x10/0x10
[   19.786747]  ? finish_task_switch.isra.0+0x153/0x700
[   19.786779]  ? __switch_to+0x47/0xf50
[   19.786811]  ? __schedule+0x10cc/0x2b60
[   19.786842]  ? __pfx_read_tsc+0x10/0x10
[   19.786869]  ? ktime_get_ts64+0x86/0x230
[   19.786901]  kunit_try_run_case+0x1a5/0x480
[   19.786928]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.786950]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   19.786981]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   19.787009]  ? __kthread_parkme+0x82/0x180
[   19.787035]  ? preempt_count_sub+0x50/0x80
[   19.787061]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.787086]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.787115]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   19.787145]  kthread+0x337/0x6f0
[   19.787170]  ? trace_preempt_on+0x20/0xc0
[   19.787219]  ? __pfx_kthread+0x10/0x10
[   19.787296]  ? _raw_spin_unlock_irq+0x47/0x80
[   19.787324]  ? calculate_sigpending+0x7b/0xa0
[   19.787381]  ? __pfx_kthread+0x10/0x10
[   19.787410]  ret_from_fork+0x116/0x1d0
[   19.787435]  ? __pfx_kthread+0x10/0x10
[   19.787474]  ret_from_fork_asm+0x1a/0x30
[   19.787518]  </TASK>
[   19.787535] 
[   19.797737] Allocated by task 302:
[   19.798079]  kasan_save_stack+0x45/0x70
[   19.798222]  kasan_save_track+0x18/0x40
[   19.798327]  kasan_save_alloc_info+0x3b/0x50
[   19.798885]  __kasan_kmalloc+0xb7/0xc0
[   19.799067]  __kmalloc_noprof+0x1c9/0x500
[   19.799505]  kunit_kmalloc_array+0x25/0x60
[   19.799701]  copy_user_test_oob+0xab/0x10f0
[   19.799819]  kunit_try_run_case+0x1a5/0x480
[   19.799926]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.800098]  kthread+0x337/0x6f0
[   19.800583]  ret_from_fork+0x116/0x1d0
[   19.800960]  ret_from_fork_asm+0x1a/0x30
[   19.801274] 
[   19.801884] The buggy address belongs to the object at ffff888103341c00
[   19.801884]  which belongs to the cache kmalloc-128 of size 128
[   19.802708] The buggy address is located 0 bytes inside of
[   19.802708]  allocated 120-byte region [ffff888103341c00, ffff888103341c78)
[   19.803200] 
[   19.803380] The buggy address belongs to the physical page:
[   19.803861] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103341
[   19.804218] flags: 0x200000000000000(node=0|zone=2)
[   19.804365] page_type: f5(slab)
[   19.804756] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   19.805408] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.805779] page dumped because: kasan: bad access detected
[   19.806015] 
[   19.806113] Memory state around the buggy address:
[   19.807035]  ffff888103341b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.807282]  ffff888103341b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.807754] >ffff888103341c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   19.808205]                                                                 ^
[   19.808638]  ffff888103341c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.808880]  ffff888103341d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.809468] ==================================================================