[   16.529184] ==================================================================
[   16.529601] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x4a/0x70
[   16.529986] Read of size 121 at addr ffff8881029ed100 by task kunit_try_catch/305
[   16.530455] 
[   16.530695] CPU: 1 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc2 #1 PREEMPT(voluntary) 
[   16.530801] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.530827] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   16.530872] Call Trace:
[   16.530939]  <TASK>
[   16.530983]  dump_stack_lvl+0x73/0xb0
[   16.531040]  print_report+0xd1/0x650
[   16.531091]  ? __virt_addr_valid+0x1db/0x2d0
[   16.531135]  ? _copy_to_user+0x4a/0x70
[   16.531173]  ? kasan_complete_mode_report_info+0x2a/0x200
[   16.531211]  ? _copy_to_user+0x4a/0x70
[   16.531244]  kasan_report+0x141/0x180
[   16.531288]  ? _copy_to_user+0x4a/0x70
[   16.531334]  kasan_check_range+0x10c/0x1c0
[   16.531377]  __kasan_check_read+0x15/0x20
[   16.531414]  _copy_to_user+0x4a/0x70
[   16.531449]  copy_user_test_oob+0x364/0x10f0
[   16.531517]  ? __pfx_copy_user_test_oob+0x10/0x10
[   16.531557]  ? finish_task_switch.isra.0+0x153/0x700
[   16.531599]  ? __switch_to+0x5d9/0xf60
[   16.531653]  ? dequeue_task_fair+0x166/0x4e0
[   16.531705]  ? __schedule+0x10cc/0x2b60
[   16.531737]  ? __pfx_read_tsc+0x10/0x10
[   16.531759]  ? ktime_get_ts64+0x86/0x230
[   16.531784]  kunit_try_run_case+0x1a5/0x480
[   16.531807]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.531829]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   16.531852]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   16.531875]  ? __kthread_parkme+0x82/0x180
[   16.531897]  ? preempt_count_sub+0x50/0x80
[   16.531920]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.531943]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.531965]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   16.531987]  kthread+0x337/0x6f0
[   16.532004]  ? trace_preempt_on+0x20/0xc0
[   16.532027]  ? __pfx_kthread+0x10/0x10
[   16.532045]  ? _raw_spin_unlock_irq+0x47/0x80
[   16.532066]  ? calculate_sigpending+0x7b/0xa0
[   16.532088]  ? __pfx_kthread+0x10/0x10
[   16.532107]  ret_from_fork+0x41/0x80
[   16.532127]  ? __pfx_kthread+0x10/0x10
[   16.532144]  ret_from_fork_asm+0x1a/0x30
[   16.532173]  </TASK>
[   16.532186] 
[   16.541073] Allocated by task 305:
[   16.541427]  kasan_save_stack+0x45/0x70
[   16.541889]  kasan_save_track+0x18/0x40
[   16.542207]  kasan_save_alloc_info+0x3b/0x50
[   16.542539]  __kasan_kmalloc+0xb7/0xc0
[   16.542847]  __kmalloc_noprof+0x1c9/0x500
[   16.543121]  kunit_kmalloc_array+0x25/0x60
[   16.543427]  copy_user_test_oob+0xab/0x10f0
[   16.543673]  kunit_try_run_case+0x1a5/0x480
[   16.543849]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.544093]  kthread+0x337/0x6f0
[   16.544248]  ret_from_fork+0x41/0x80
[   16.544411]  ret_from_fork_asm+0x1a/0x30
[   16.544584] 
[   16.544786] The buggy address belongs to the object at ffff8881029ed100
[   16.544786]  which belongs to the cache kmalloc-128 of size 128
[   16.545567] The buggy address is located 0 bytes inside of
[   16.545567]  allocated 120-byte region [ffff8881029ed100, ffff8881029ed178)
[   16.547544] 
[   16.547753] The buggy address belongs to the physical page:
[   16.548209] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ed
[   16.548552] flags: 0x200000000000000(node=0|zone=2)
[   16.549054] page_type: f5(slab)
[   16.549236] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   16.549736] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.550076] page dumped because: kasan: bad access detected
[   16.550464] 
[   16.550608] Memory state around the buggy address:
[   16.550962]  ffff8881029ed000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.551207]  ffff8881029ed080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.551683] >ffff8881029ed100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.552153]                                                                 ^
[   16.552561]  ffff8881029ed180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.552910]  ffff8881029ed200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.553254] ==================================================================