[   30.606348] ==================================================================
[   30.607022] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   30.607753] Write of size 121 at addr ffff888102337100 by task kunit_try_catch/314
[   30.608341] 
[   30.608801] CPU: 0 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250620 #1 PREEMPT(voluntary) 
[   30.608927] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.608960] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   30.609008] Call Trace:
[   30.609041]  <TASK>
[   30.609090]  dump_stack_lvl+0x73/0xb0
[   30.609170]  print_report+0xd1/0x650
[   30.609218]  ? __virt_addr_valid+0x1db/0x2d0
[   30.609273]  ? _copy_from_user+0x32/0x90
[   30.609318]  ? kasan_complete_mode_report_info+0x2a/0x200
[   30.609369]  ? _copy_from_user+0x32/0x90
[   30.609412]  kasan_report+0x141/0x180
[   30.609475]  ? _copy_from_user+0x32/0x90
[   30.609537]  kasan_check_range+0x10c/0x1c0
[   30.609594]  __kasan_check_write+0x18/0x20
[   30.609630]  _copy_from_user+0x32/0x90
[   30.609655]  copy_user_test_oob+0x2be/0x10f0
[   30.609687]  ? __pfx_copy_user_test_oob+0x10/0x10
[   30.609714]  ? finish_task_switch.isra.0+0x153/0x700
[   30.609744]  ? __switch_to+0x47/0xf50
[   30.609776]  ? __schedule+0x10cc/0x2b60
[   30.609803]  ? __pfx_read_tsc+0x10/0x10
[   30.609829]  ? ktime_get_ts64+0x86/0x230
[   30.609859]  kunit_try_run_case+0x1a5/0x480
[   30.609886]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.609913]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   30.609939]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   30.609966]  ? __kthread_parkme+0x82/0x180
[   30.609992]  ? preempt_count_sub+0x50/0x80
[   30.610018]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.610061]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   30.610089]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   30.610116]  kthread+0x337/0x6f0
[   30.610140]  ? trace_preempt_on+0x20/0xc0
[   30.610184]  ? __pfx_kthread+0x10/0x10
[   30.610212]  ? _raw_spin_unlock_irq+0x47/0x80
[   30.610237]  ? calculate_sigpending+0x7b/0xa0
[   30.610265]  ? __pfx_kthread+0x10/0x10
[   30.610290]  ret_from_fork+0x116/0x1d0
[   30.610311]  ? __pfx_kthread+0x10/0x10
[   30.610335]  ret_from_fork_asm+0x1a/0x30
[   30.610370]  </TASK>
[   30.610388] 
[   30.620330] Allocated by task 314:
[   30.620712]  kasan_save_stack+0x45/0x70
[   30.621089]  kasan_save_track+0x18/0x40
[   30.621457]  kasan_save_alloc_info+0x3b/0x50
[   30.621838]  __kasan_kmalloc+0xb7/0xc0
[   30.622109]  __kmalloc_noprof+0x1c9/0x500
[   30.622426]  kunit_kmalloc_array+0x25/0x60
[   30.622792]  copy_user_test_oob+0xab/0x10f0
[   30.623121]  kunit_try_run_case+0x1a5/0x480
[   30.623483]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   30.623707]  kthread+0x337/0x6f0
[   30.623874]  ret_from_fork+0x116/0x1d0
[   30.624052]  ret_from_fork_asm+0x1a/0x30
[   30.624349] 
[   30.624566] The buggy address belongs to the object at ffff888102337100
[   30.624566]  which belongs to the cache kmalloc-128 of size 128
[   30.625431] The buggy address is located 0 bytes inside of
[   30.625431]  allocated 120-byte region [ffff888102337100, ffff888102337178)
[   30.626134] 
[   30.626294] The buggy address belongs to the physical page:
[   30.626640] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102337
[   30.627133] flags: 0x200000000000000(node=0|zone=2)
[   30.627543] page_type: f5(slab)
[   30.627729] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   30.628015] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   30.628407] page dumped because: kasan: bad access detected
[   30.628897] 
[   30.629080] Memory state around the buggy address:
[   30.629511]  ffff888102337000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   30.630202]  ffff888102337080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.630643] >ffff888102337100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   30.631132]                                                                 ^
[   30.631880]  ffff888102337180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.632668]  ffff888102337200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.632953] ==================================================================