[   15.418406] ==================================================================
[   15.418850] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x4a/0x70
[   15.419270] Read of size 121 at addr ffff888103606900 by task kunit_try_catch/305
[   15.419638] 
[   15.419738] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.6-rc1 #1 PREEMPT(voluntary) 
[   15.419803] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.419817] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.419854] Call Trace:
[   15.419869]  <TASK>
[   15.419895]  dump_stack_lvl+0x73/0xb0
[   15.419922]  print_report+0xd1/0x650
[   15.419947]  ? __virt_addr_valid+0x1db/0x2d0
[   15.419970]  ? _copy_to_user+0x4a/0x70
[   15.419991]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.420017]  ? _copy_to_user+0x4a/0x70
[   15.420038]  kasan_report+0x141/0x180
[   15.420063]  ? _copy_to_user+0x4a/0x70
[   15.420090]  kasan_check_range+0x10c/0x1c0
[   15.420134]  __kasan_check_read+0x15/0x20
[   15.420157]  _copy_to_user+0x4a/0x70
[   15.420179]  copy_user_test_oob+0x364/0x10f0
[   15.420205]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.420225]  ? finish_task_switch.isra.0+0x153/0x700
[   15.420252]  ? __switch_to+0x5d9/0xf60
[   15.420292]  ? dequeue_task_fair+0x156/0x4e0
[   15.420317]  ? __schedule+0x10cc/0x2b60
[   15.420343]  ? __pfx_read_tsc+0x10/0x10
[   15.420365]  ? ktime_get_ts64+0x86/0x230
[   15.420392]  kunit_try_run_case+0x1a5/0x480
[   15.420415]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.420436]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.420461]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.420487]  ? __kthread_parkme+0x82/0x180
[   15.420522]  ? preempt_count_sub+0x50/0x80
[   15.420548]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.420571]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.420596]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.420622]  kthread+0x337/0x6f0
[   15.420641]  ? trace_preempt_on+0x20/0xc0
[   15.420665]  ? __pfx_kthread+0x10/0x10
[   15.420685]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.420709]  ? calculate_sigpending+0x7b/0xa0
[   15.420733]  ? __pfx_kthread+0x10/0x10
[   15.420753]  ret_from_fork+0x41/0x80
[   15.420776]  ? __pfx_kthread+0x10/0x10
[   15.420796]  ret_from_fork_asm+0x1a/0x30
[   15.420828]  </TASK>
[   15.420841] 
[   15.428985] Allocated by task 305:
[   15.429184]  kasan_save_stack+0x45/0x70
[   15.429371]  kasan_save_track+0x18/0x40
[   15.429509]  kasan_save_alloc_info+0x3b/0x50
[   15.429760]  __kasan_kmalloc+0xb7/0xc0
[   15.430002]  __kmalloc_noprof+0x1c9/0x500
[   15.430221]  kunit_kmalloc_array+0x25/0x60
[   15.430434]  copy_user_test_oob+0xab/0x10f0
[   15.430619]  kunit_try_run_case+0x1a5/0x480
[   15.430764]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.431214]  kthread+0x337/0x6f0
[   15.431423]  ret_from_fork+0x41/0x80
[   15.431740]  ret_from_fork_asm+0x1a/0x30
[   15.431963] 
[   15.432039] The buggy address belongs to the object at ffff888103606900
[   15.432039]  which belongs to the cache kmalloc-128 of size 128
[   15.432504] The buggy address is located 0 bytes inside of
[   15.432504]  allocated 120-byte region [ffff888103606900, ffff888103606978)
[   15.433122] 
[   15.433229] The buggy address belongs to the physical page:
[   15.433502] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103606
[   15.433748] flags: 0x200000000000000(node=0|zone=2)
[   15.433922] page_type: f5(slab)
[   15.434043] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.434383] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.434755] page dumped because: kasan: bad access detected
[   15.435019] 
[   15.435116] Memory state around the buggy address:
[   15.435278]  ffff888103606800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.435491]  ffff888103606880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.435832] >ffff888103606900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.436256]                                                                 ^
[   15.436625]  ffff888103606980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.436959]  ffff888103606a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.437251] ==================================================================