[   31.108663] ==================================================================
[   31.109149] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   31.109530] Read of size 121 at addr ffff888105635400 by task kunit_try_catch/333
[   31.109870] 
[   31.110000] CPU: 0 UID: 0 PID: 333 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc7-next-20250724 #1 PREEMPT(voluntary) 
[   31.110071] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   31.110088] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   31.110112] Call Trace:
[   31.110126]  <TASK>
[   31.110161]  dump_stack_lvl+0x73/0xb0
[   31.110218]  print_report+0xd1/0x640
[   31.110255]  ? __virt_addr_valid+0x1db/0x2d0
[   31.110281]  ? _copy_to_user+0x3c/0x70
[   31.110317]  ? kasan_complete_mode_report_info+0x2a/0x200
[   31.110343]  ? _copy_to_user+0x3c/0x70
[   31.110364]  kasan_report+0x141/0x180
[   31.110387]  ? _copy_to_user+0x3c/0x70
[   31.110411]  kasan_check_range+0x10c/0x1c0
[   31.110437]  __kasan_check_read+0x15/0x20
[   31.110460]  _copy_to_user+0x3c/0x70
[   31.110481]  copy_user_test_oob+0x364/0x10f0
[   31.110507]  ? __pfx_copy_user_test_oob+0x10/0x10
[   31.110531]  ? finish_task_switch.isra.0+0x153/0x700
[   31.110554]  ? __switch_to+0x47/0xf80
[   31.110590]  ? __schedule+0x10da/0x2b60
[   31.110617]  ? __pfx_read_tsc+0x10/0x10
[   31.110639]  ? ktime_get_ts64+0x86/0x230
[   31.110665]  kunit_try_run_case+0x1a5/0x480
[   31.110720]  ? __pfx_kunit_try_run_case+0x10/0x10
[   31.110744]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   31.110770]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   31.110807]  ? __kthread_parkme+0x82/0x180
[   31.110829]  ? preempt_count_sub+0x50/0x80
[   31.110854]  ? __pfx_kunit_try_run_case+0x10/0x10
[   31.110878]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   31.110902]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   31.110926]  kthread+0x337/0x6f0
[   31.110949]  ? trace_preempt_on+0x20/0xc0
[   31.110974]  ? __pfx_kthread+0x10/0x10
[   31.110996]  ? _raw_spin_unlock_irq+0x47/0x80
[   31.111020]  ? calculate_sigpending+0x7b/0xa0
[   31.111045]  ? __pfx_kthread+0x10/0x10
[   31.111068]  ret_from_fork+0x116/0x1d0
[   31.111088]  ? __pfx_kthread+0x10/0x10
[   31.111110]  ret_from_fork_asm+0x1a/0x30
[   31.111142]  </TASK>
[   31.111154] 
[   31.119449] Allocated by task 333:
[   31.119682]  kasan_save_stack+0x45/0x70
[   31.119957]  kasan_save_track+0x18/0x40
[   31.120260]  kasan_save_alloc_info+0x3b/0x50
[   31.120451]  __kasan_kmalloc+0xb7/0xc0
[   31.120680]  __kmalloc_noprof+0x1ca/0x510
[   31.120921]  kunit_kmalloc_array+0x25/0x60
[   31.121092]  copy_user_test_oob+0xab/0x10f0
[   31.121231]  kunit_try_run_case+0x1a5/0x480
[   31.121367]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   31.121740]  kthread+0x337/0x6f0
[   31.121917]  ret_from_fork+0x116/0x1d0
[   31.122205]  ret_from_fork_asm+0x1a/0x30
[   31.122441] 
[   31.122596] The buggy address belongs to the object at ffff888105635400
[   31.122596]  which belongs to the cache kmalloc-128 of size 128
[   31.123457] The buggy address is located 0 bytes inside of
[   31.123457]  allocated 120-byte region [ffff888105635400, ffff888105635478)
[   31.123878] 
[   31.123970] The buggy address belongs to the physical page:
[   31.124205] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105635
[   31.124534] flags: 0x200000000000000(node=0|zone=2)
[   31.124702] page_type: f5(slab)
[   31.124973] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   31.125393] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   31.125767] page dumped because: kasan: bad access detected
[   31.126038] 
[   31.126148] Memory state around the buggy address:
[   31.126298]  ffff888105635300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   31.126592]  ffff888105635380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.126930] >ffff888105635400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   31.127362]                                                                 ^
[   31.127770]  ffff888105635480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.128103]  ffff888105635500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.128534] ==================================================================