[   29.150332] ==================================================================
[   29.151038] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   29.151321] Write of size 121 at addr ffff8881060c3d00 by task kunit_try_catch/333
[   29.151638] 
[   29.151770] CPU: 1 UID: 0 PID: 333 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5-next-20250710 #1 PREEMPT(voluntary) 
[   29.151828] Tainted: [B]=BAD_PAGE, [N]=TEST
[   29.151849] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   29.151874] Call Trace:
[   29.151889]  <TASK>
[   29.151911]  dump_stack_lvl+0x73/0xb0
[   29.151944]  print_report+0xd1/0x610
[   29.151971]  ? __virt_addr_valid+0x1db/0x2d0
[   29.151998]  ? _copy_from_user+0x32/0x90
[   29.152021]  ? kasan_complete_mode_report_info+0x2a/0x200
[   29.152049]  ? _copy_from_user+0x32/0x90
[   29.152073]  kasan_report+0x141/0x180
[   29.152096]  ? _copy_from_user+0x32/0x90
[   29.152123]  kasan_check_range+0x10c/0x1c0
[   29.152147]  __kasan_check_write+0x18/0x20
[   29.152172]  _copy_from_user+0x32/0x90
[   29.152196]  copy_user_test_oob+0x2be/0x10f0
[   29.152223]  ? __pfx_copy_user_test_oob+0x10/0x10
[   29.152247]  ? finish_task_switch.isra.0+0x153/0x700
[   29.152271]  ? __switch_to+0x47/0xf80
[   29.152300]  ? __schedule+0x10cc/0x2b60
[   29.152325]  ? __pfx_read_tsc+0x10/0x10
[   29.152348]  ? ktime_get_ts64+0x86/0x230
[   29.152376]  kunit_try_run_case+0x1a5/0x480
[   29.152398]  ? __pfx_kunit_try_run_case+0x10/0x10
[   29.152420]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   29.152445]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   29.152470]  ? __kthread_parkme+0x82/0x180
[   29.152509]  ? preempt_count_sub+0x50/0x80
[   29.152533]  ? __pfx_kunit_try_run_case+0x10/0x10
[   29.152557]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   29.152583]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   29.152610]  kthread+0x337/0x6f0
[   29.152631]  ? trace_preempt_on+0x20/0xc0
[   29.152657]  ? __pfx_kthread+0x10/0x10
[   29.152679]  ? _raw_spin_unlock_irq+0x47/0x80
[   29.152712]  ? calculate_sigpending+0x7b/0xa0
[   29.152738]  ? __pfx_kthread+0x10/0x10
[   29.152763]  ret_from_fork+0x116/0x1d0
[   29.152783]  ? __pfx_kthread+0x10/0x10
[   29.152805]  ret_from_fork_asm+0x1a/0x30
[   29.152838]  </TASK>
[   29.152852] 
[   29.160014] Allocated by task 333:
[   29.160193]  kasan_save_stack+0x45/0x70
[   29.160371]  kasan_save_track+0x18/0x40
[   29.160604]  kasan_save_alloc_info+0x3b/0x50
[   29.160809]  __kasan_kmalloc+0xb7/0xc0
[   29.160992]  __kmalloc_noprof+0x1c9/0x500
[   29.161196]  kunit_kmalloc_array+0x25/0x60
[   29.161396]  copy_user_test_oob+0xab/0x10f0
[   29.161686]  kunit_try_run_case+0x1a5/0x480
[   29.161881]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   29.162111]  kthread+0x337/0x6f0
[   29.162231]  ret_from_fork+0x116/0x1d0
[   29.162363]  ret_from_fork_asm+0x1a/0x30
[   29.162509] 
[   29.162603] The buggy address belongs to the object at ffff8881060c3d00
[   29.162603]  which belongs to the cache kmalloc-128 of size 128
[   29.163325] The buggy address is located 0 bytes inside of
[   29.163325]  allocated 120-byte region [ffff8881060c3d00, ffff8881060c3d78)
[   29.164931] 
[   29.165032] The buggy address belongs to the physical page:
[   29.165213] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060c3
[   29.165461] flags: 0x200000000000000(node=0|zone=2)
[   29.165636] page_type: f5(slab)
[   29.165821] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   29.166325] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   29.166789] page dumped because: kasan: bad access detected
[   29.167178] 
[   29.167348] Memory state around the buggy address:
[   29.167756]  ffff8881060c3c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   29.167980]  ffff8881060c3c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.168199] >ffff8881060c3d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   29.168416]                                                                 ^
[   29.169029]  ffff8881060c3d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.169666]  ffff8881060c3e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   29.170284] ==================================================================