[   24.101648] ==================================================================
[   24.102821] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   24.103533] Write of size 121 at addr ffff88810a090200 by task kunit_try_catch/306
[   24.104151] 
[   24.104450] CPU: 1 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc1 #1 PREEMPT(voluntary) 
[   24.104587] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.104645] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.104683] Call Trace:
[   24.104704]  <TASK>
[   24.104730]  dump_stack_lvl+0x73/0xb0
[   24.104809]  print_report+0xd1/0x650
[   24.104897]  ? __virt_addr_valid+0x1db/0x2d0
[   24.104975]  ? _copy_from_user+0x32/0x90
[   24.105049]  ? kasan_complete_mode_report_info+0x2a/0x200
[   24.105125]  ? _copy_from_user+0x32/0x90
[   24.105199]  kasan_report+0x141/0x180
[   24.105277]  ? _copy_from_user+0x32/0x90
[   24.105359]  kasan_check_range+0x10c/0x1c0
[   24.105432]  __kasan_check_write+0x18/0x20
[   24.105522]  _copy_from_user+0x32/0x90
[   24.105560]  copy_user_test_oob+0x2be/0x10f0
[   24.105649]  ? __pfx_copy_user_test_oob+0x10/0x10
[   24.105680]  ? finish_task_switch.isra.0+0x153/0x700
[   24.105720]  ? __switch_to+0x5d9/0xf60
[   24.105760]  ? dequeue_task_fair+0x156/0x4e0
[   24.105798]  ? __schedule+0x10cc/0x2b60
[   24.105834]  ? __pfx_read_tsc+0x10/0x10
[   24.105865]  ? ktime_get_ts64+0x86/0x230
[   24.105903]  kunit_try_run_case+0x1a5/0x480
[   24.105942]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.105976]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.106013]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.106049]  ? __kthread_parkme+0x82/0x180
[   24.106084]  ? preempt_count_sub+0x50/0x80
[   24.106122]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.106159]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.106194]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.106256]  kthread+0x337/0x6f0
[   24.106288]  ? trace_preempt_on+0x20/0xc0
[   24.106326]  ? __pfx_kthread+0x10/0x10
[   24.106354]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.106388]  ? calculate_sigpending+0x7b/0xa0
[   24.106421]  ? __pfx_kthread+0x10/0x10
[   24.106448]  ret_from_fork+0x41/0x80
[   24.106479]  ? __pfx_kthread+0x10/0x10
[   24.106506]  ret_from_fork_asm+0x1a/0x30
[   24.106550]  </TASK>
[   24.106568] 
[   24.124779] Allocated by task 306:
[   24.125471]  kasan_save_stack+0x45/0x70
[   24.125953]  kasan_save_track+0x18/0x40
[   24.126586]  kasan_save_alloc_info+0x3b/0x50
[   24.127026]  __kasan_kmalloc+0xb7/0xc0
[   24.127689]  __kmalloc_noprof+0x1c9/0x500
[   24.128159]  kunit_kmalloc_array+0x25/0x60
[   24.128534]  copy_user_test_oob+0xab/0x10f0
[   24.128968]  kunit_try_run_case+0x1a5/0x480
[   24.129563]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.130125]  kthread+0x337/0x6f0
[   24.130654]  ret_from_fork+0x41/0x80
[   24.131348]  ret_from_fork_asm+0x1a/0x30
[   24.131708] 
[   24.132063] The buggy address belongs to the object at ffff88810a090200
[   24.132063]  which belongs to the cache kmalloc-128 of size 128
[   24.133158] The buggy address is located 0 bytes inside of
[   24.133158]  allocated 120-byte region [ffff88810a090200, ffff88810a090278)
[   24.134021] 
[   24.134264] The buggy address belongs to the physical page:
[   24.134878] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10a090
[   24.135702] flags: 0x200000000000000(node=0|zone=2)
[   24.136203] page_type: f5(slab)
[   24.136556] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   24.137794] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   24.138722] page dumped because: kasan: bad access detected
[   24.139091] 
[   24.139470] Memory state around the buggy address:
[   24.140110]  ffff88810a090100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.140797]  ffff88810a090180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.141440] >ffff88810a090200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   24.142033]                                                                 ^
[   24.142619]  ffff88810a090280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.143303]  ffff88810a090300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.143967] ==================================================================