[   15.062170] ==================================================================
[   15.062895] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x4a/0x70
[   15.063530] Read of size 121 at addr ffff888103cfcc00 by task kunit_try_catch/305
[   15.064174] 
[   15.064404] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.8-rc1 #1 PREEMPT(voluntary) 
[   15.064450] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.064463] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.064486] Call Trace:
[   15.064505]  <TASK>
[   15.064525]  dump_stack_lvl+0x73/0xb0
[   15.064552]  print_report+0xd1/0x610
[   15.064587]  ? __virt_addr_valid+0x1db/0x2d0
[   15.064610]  ? _copy_to_user+0x4a/0x70
[   15.064630]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.064665]  ? _copy_to_user+0x4a/0x70
[   15.064685]  kasan_report+0x141/0x180
[   15.064709]  ? _copy_to_user+0x4a/0x70
[   15.064734]  kasan_check_range+0x10c/0x1c0
[   15.064755]  __kasan_check_read+0x15/0x20
[   15.064775]  _copy_to_user+0x4a/0x70
[   15.064796]  copy_user_test_oob+0x364/0x10f0
[   15.064820]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.064841]  ? finish_task_switch.isra.0+0x153/0x700
[   15.064866]  ? __switch_to+0x5d9/0xf60
[   15.064889]  ? dequeue_task_fair+0x166/0x4e0
[   15.064913]  ? __schedule+0x10c6/0x2b60
[   15.064943]  ? __pfx_read_tsc+0x10/0x10
[   15.064964]  ? ktime_get_ts64+0x86/0x230
[   15.064989]  kunit_try_run_case+0x1a5/0x480
[   15.065010]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.065030]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.065052]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.065077]  ? __kthread_parkme+0x82/0x180
[   15.065100]  ? preempt_count_sub+0x50/0x80
[   15.065125]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.065147]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.065171]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.065195]  kthread+0x337/0x6f0
[   15.065212]  ? trace_preempt_on+0x20/0xc0
[   15.065246]  ? __pfx_kthread+0x10/0x10
[   15.065265]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.065288]  ? calculate_sigpending+0x7b/0xa0
[   15.065310]  ? __pfx_kthread+0x10/0x10
[   15.065329]  ret_from_fork+0x41/0x80
[   15.065369]  ? __pfx_kthread+0x10/0x10
[   15.065388]  ret_from_fork_asm+0x1a/0x30
[   15.065419]  </TASK>
[   15.065431] 
[   15.078031] Allocated by task 305:
[   15.078166]  kasan_save_stack+0x45/0x70
[   15.078334]  kasan_save_track+0x18/0x40
[   15.078720]  kasan_save_alloc_info+0x3b/0x50
[   15.078954]  __kasan_kmalloc+0xb7/0xc0
[   15.079172]  __kmalloc_noprof+0x1c9/0x500
[   15.079595]  kunit_kmalloc_array+0x25/0x60
[   15.079978]  copy_user_test_oob+0xab/0x10f0
[   15.080218]  kunit_try_run_case+0x1a5/0x480
[   15.080581]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.080762]  kthread+0x337/0x6f0
[   15.080882]  ret_from_fork+0x41/0x80
[   15.081017]  ret_from_fork_asm+0x1a/0x30
[   15.081157] 
[   15.081246] The buggy address belongs to the object at ffff888103cfcc00
[   15.081246]  which belongs to the cache kmalloc-128 of size 128
[   15.082381] The buggy address is located 0 bytes inside of
[   15.082381]  allocated 120-byte region [ffff888103cfcc00, ffff888103cfcc78)
[   15.083440] 
[   15.083613] The buggy address belongs to the physical page:
[   15.084103] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103cfc
[   15.084796] flags: 0x200000000000000(node=0|zone=2)
[   15.085240] page_type: f5(slab)
[   15.085501] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.086042] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.086389] page dumped because: kasan: bad access detected
[   15.086870] 
[   15.087022] Memory state around the buggy address:
[   15.087427]  ffff888103cfcb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.087650]  ffff888103cfcb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.087865] >ffff888103cfcc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.088078]                                                                 ^
[   15.088454]  ffff888103cfcc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.089062]  ffff888103cfcd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.089696] ==================================================================