[   15.597269] ==================================================================
[   15.598011] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   15.599160] Write of size 121 at addr ffff888103a21000 by task kunit_try_catch/302
[   15.600041] 
[   15.600316] CPU: 0 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[   15.600480] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.600499] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.600525] Call Trace:
[   15.600553]  <TASK>
[   15.600575]  dump_stack_lvl+0x73/0xb0
[   15.600645]  print_report+0xd1/0x650
[   15.600672]  ? __virt_addr_valid+0x1db/0x2d0
[   15.600698]  ? _copy_from_user+0x32/0x90
[   15.600718]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.600743]  ? _copy_from_user+0x32/0x90
[   15.600764]  kasan_report+0x141/0x180
[   15.600788]  ? _copy_from_user+0x32/0x90
[   15.600813]  kasan_check_range+0x10c/0x1c0
[   15.600838]  __kasan_check_write+0x18/0x20
[   15.600858]  _copy_from_user+0x32/0x90
[   15.600880]  copy_user_test_oob+0x2be/0x10f0
[   15.600907]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.600931]  ? finish_task_switch.isra.0+0x153/0x700
[   15.600965]  ? __switch_to+0x47/0xf50
[   15.600993]  ? __schedule+0x10cc/0x2b60
[   15.601017]  ? __pfx_read_tsc+0x10/0x10
[   15.601040]  ? ktime_get_ts64+0x86/0x230
[   15.601089]  kunit_try_run_case+0x1a5/0x480
[   15.601117]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.601141]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.601166]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.601191]  ? __kthread_parkme+0x82/0x180
[   15.601214]  ? preempt_count_sub+0x50/0x80
[   15.601240]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.601266]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.601291]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.601315]  kthread+0x337/0x6f0
[   15.601337]  ? trace_preempt_on+0x20/0xc0
[   15.601362]  ? __pfx_kthread+0x10/0x10
[   15.601385]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.601407]  ? calculate_sigpending+0x7b/0xa0
[   15.601433]  ? __pfx_kthread+0x10/0x10
[   15.601456]  ret_from_fork+0x116/0x1d0
[   15.601476]  ? __pfx_kthread+0x10/0x10
[   15.601498]  ret_from_fork_asm+0x1a/0x30
[   15.601530]  </TASK>
[   15.601544] 
[   15.613036] Allocated by task 302:
[   15.613272]  kasan_save_stack+0x45/0x70
[   15.613479]  kasan_save_track+0x18/0x40
[   15.613640]  kasan_save_alloc_info+0x3b/0x50
[   15.613867]  __kasan_kmalloc+0xb7/0xc0
[   15.614043]  __kmalloc_noprof+0x1c9/0x500
[   15.614448]  kunit_kmalloc_array+0x25/0x60
[   15.614818]  copy_user_test_oob+0xab/0x10f0
[   15.615269]  kunit_try_run_case+0x1a5/0x480
[   15.615659]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.616175]  kthread+0x337/0x6f0
[   15.616480]  ret_from_fork+0x116/0x1d0
[   15.616851]  ret_from_fork_asm+0x1a/0x30
[   15.617254] 
[   15.617423] The buggy address belongs to the object at ffff888103a21000
[   15.617423]  which belongs to the cache kmalloc-128 of size 128
[   15.618035] The buggy address is located 0 bytes inside of
[   15.618035]  allocated 120-byte region [ffff888103a21000, ffff888103a21078)
[   15.619147] 
[   15.619333] The buggy address belongs to the physical page:
[   15.619670] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103a21
[   15.619916] flags: 0x200000000000000(node=0|zone=2)
[   15.620146] page_type: f5(slab)
[   15.620328] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.620630] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.620976] page dumped because: kasan: bad access detected
[   15.621251] 
[   15.621357] Memory state around the buggy address:
[   15.621579]  ffff888103a20f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.621879]  ffff888103a20f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.622176] >ffff888103a21000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.622521]                                                                 ^
[   15.622807]  ffff888103a21080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.623109]  ffff888103a21100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.623435] ==================================================================