[   30.410512] ==================================================================
[   30.410897] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   30.411369] Read of size 121 at addr ffff888103782f00 by task kunit_try_catch/314
[   30.411654] 
[   30.411868] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) 
[   30.411975] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.412006] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   30.412056] Call Trace:
[   30.412123]  <TASK>
[   30.412167]  dump_stack_lvl+0x73/0xb0
[   30.412237]  print_report+0xd1/0x650
[   30.412288]  ? __virt_addr_valid+0x1db/0x2d0
[   30.412339]  ? _copy_to_user+0x3c/0x70
[   30.412385]  ? kasan_complete_mode_report_info+0x2a/0x200
[   30.412438]  ? _copy_to_user+0x3c/0x70
[   30.412482]  kasan_report+0x141/0x180
[   30.412525]  ? _copy_to_user+0x3c/0x70
[   30.412583]  kasan_check_range+0x10c/0x1c0
[   30.412633]  __kasan_check_read+0x15/0x20
[   30.412685]  _copy_to_user+0x3c/0x70
[   30.412735]  copy_user_test_oob+0x364/0x10f0
[   30.412786]  ? __pfx_copy_user_test_oob+0x10/0x10
[   30.412835]  ? finish_task_switch.isra.0+0x153/0x700
[   30.412886]  ? __switch_to+0x47/0xf50
[   30.412943]  ? __schedule+0x10cc/0x2b60
[   30.412989]  ? __pfx_read_tsc+0x10/0x10
[   30.413044]  ? ktime_get_ts64+0x86/0x230
[   30.413113]  kunit_try_run_case+0x1a5/0x480
[   30.413172]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.413226]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   30.413267]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   30.413296]  ? __kthread_parkme+0x82/0x180
[   30.413321]  ? preempt_count_sub+0x50/0x80
[   30.413346]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.413373]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   30.413400]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   30.413425]  kthread+0x337/0x6f0
[   30.413448]  ? trace_preempt_on+0x20/0xc0
[   30.413475]  ? __pfx_kthread+0x10/0x10
[   30.413498]  ? _raw_spin_unlock_irq+0x47/0x80
[   30.413521]  ? calculate_sigpending+0x7b/0xa0
[   30.413548]  ? __pfx_kthread+0x10/0x10
[   30.413573]  ret_from_fork+0x116/0x1d0
[   30.413594]  ? __pfx_kthread+0x10/0x10
[   30.413618]  ret_from_fork_asm+0x1a/0x30
[   30.413651]  </TASK>
[   30.413666] 
[   30.423996] Allocated by task 314:
[   30.424391]  kasan_save_stack+0x45/0x70
[   30.424810]  kasan_save_track+0x18/0x40
[   30.425144]  kasan_save_alloc_info+0x3b/0x50
[   30.425454]  __kasan_kmalloc+0xb7/0xc0
[   30.425645]  __kmalloc_noprof+0x1c9/0x500
[   30.425839]  kunit_kmalloc_array+0x25/0x60
[   30.426035]  copy_user_test_oob+0xab/0x10f0
[   30.426244]  kunit_try_run_case+0x1a5/0x480
[   30.426605]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   30.427078]  kthread+0x337/0x6f0
[   30.427622]  ret_from_fork+0x116/0x1d0
[   30.428010]  ret_from_fork_asm+0x1a/0x30
[   30.428396] 
[   30.428578] The buggy address belongs to the object at ffff888103782f00
[   30.428578]  which belongs to the cache kmalloc-128 of size 128
[   30.429233] The buggy address is located 0 bytes inside of
[   30.429233]  allocated 120-byte region [ffff888103782f00, ffff888103782f78)
[   30.430091] 
[   30.430238] The buggy address belongs to the physical page:
[   30.430558] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103782
[   30.430880] flags: 0x200000000000000(node=0|zone=2)
[   30.431117] page_type: f5(slab)
[   30.431432] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   30.432136] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   30.432601] page dumped because: kasan: bad access detected
[   30.432998] 
[   30.433122] Memory state around the buggy address:
[   30.433490]  ffff888103782e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   30.433867]  ffff888103782e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.434298] >ffff888103782f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   30.434579]                                                                 ^
[   30.434863]  ffff888103782f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.435408]  ffff888103783000: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   30.435948] ==================================================================