[   24.149363] ==================================================================
[   24.149929] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x4a/0x70
[   24.150471] Read of size 121 at addr ffff88810a090200 by task kunit_try_catch/306
[   24.151158] 
[   24.151444] CPU: 1 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[   24.151573] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.151630] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.151689] Call Trace:
[   24.151740]  <TASK>
[   24.151785]  dump_stack_lvl+0x73/0xb0
[   24.151866]  print_report+0xd1/0x650
[   24.151991]  ? __virt_addr_valid+0x1db/0x2d0
[   24.152072]  ? _copy_to_user+0x4a/0x70
[   24.152143]  ? kasan_complete_mode_report_info+0x2a/0x200
[   24.152220]  ? _copy_to_user+0x4a/0x70
[   24.152331]  kasan_report+0x141/0x180
[   24.152418]  ? _copy_to_user+0x4a/0x70
[   24.152505]  kasan_check_range+0x10c/0x1c0
[   24.152578]  __kasan_check_read+0x15/0x20
[   24.152639]  _copy_to_user+0x4a/0x70
[   24.152673]  copy_user_test_oob+0x364/0x10f0
[   24.152709]  ? __pfx_copy_user_test_oob+0x10/0x10
[   24.152740]  ? finish_task_switch.isra.0+0x153/0x700
[   24.152775]  ? __switch_to+0x5d9/0xf60
[   24.152805]  ? dequeue_task_fair+0x156/0x4e0
[   24.152840]  ? __schedule+0x10cc/0x2b60
[   24.152874]  ? __pfx_read_tsc+0x10/0x10
[   24.152903]  ? ktime_get_ts64+0x86/0x230
[   24.152940]  kunit_try_run_case+0x1a5/0x480
[   24.152977]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.153013]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.153049]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.153087]  ? __kthread_parkme+0x82/0x180
[   24.153120]  ? preempt_count_sub+0x50/0x80
[   24.153157]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.153193]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.153266]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.153308]  kthread+0x337/0x6f0
[   24.153336]  ? trace_preempt_on+0x20/0xc0
[   24.153372]  ? __pfx_kthread+0x10/0x10
[   24.153399]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.153433]  ? calculate_sigpending+0x7b/0xa0
[   24.153465]  ? __pfx_kthread+0x10/0x10
[   24.153492]  ret_from_fork+0x41/0x80
[   24.153523]  ? __pfx_kthread+0x10/0x10
[   24.153550]  ret_from_fork_asm+0x1a/0x30
[   24.153594]  </TASK>
[   24.153633] 
[   24.171462] Allocated by task 306:
[   24.171816]  kasan_save_stack+0x45/0x70
[   24.172148]  kasan_save_track+0x18/0x40
[   24.172505]  kasan_save_alloc_info+0x3b/0x50
[   24.172955]  __kasan_kmalloc+0xb7/0xc0
[   24.173366]  __kmalloc_noprof+0x1c9/0x500
[   24.173859]  kunit_kmalloc_array+0x25/0x60
[   24.174190]  copy_user_test_oob+0xab/0x10f0
[   24.174558]  kunit_try_run_case+0x1a5/0x480
[   24.174905]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.175340]  kthread+0x337/0x6f0
[   24.175832]  ret_from_fork+0x41/0x80
[   24.176415]  ret_from_fork_asm+0x1a/0x30
[   24.176975] 
[   24.177310] The buggy address belongs to the object at ffff88810a090200
[   24.177310]  which belongs to the cache kmalloc-128 of size 128
[   24.178409] The buggy address is located 0 bytes inside of
[   24.178409]  allocated 120-byte region [ffff88810a090200, ffff88810a090278)
[   24.179539] 
[   24.179850] The buggy address belongs to the physical page:
[   24.180452] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a090
[   24.181287] flags: 0x200000000000000(node=0|zone=2)
[   24.181798] page_type: f5(slab)
[   24.182296] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   24.183032] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   24.183644] page dumped because: kasan: bad access detected
[   24.184005] 
[   24.184308] Memory state around the buggy address:
[   24.184876]  ffff88810a090100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.185591]  ffff88810a090180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.186305] >ffff88810a090200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   24.186909]                                                                 ^
[   24.188176]  ffff88810a090280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.189006]  ffff88810a090300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.189589] ==================================================================