[   19.688058] ==================================================================
[   19.688894] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   19.689923] Write of size 121 at addr ffff888102b20500 by task kunit_try_catch/306
[   19.690395] 
[   19.690626] CPU: 1 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G    B            N  6.15.5-rc2 #1 PREEMPT(voluntary) 
[   19.690696] Tainted: [B]=BAD_PAGE, [N]=TEST
[   19.690712] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   19.690740] Call Trace:
[   19.690760]  <TASK>
[   19.690801]  dump_stack_lvl+0x73/0xb0
[   19.690844]  print_report+0xd1/0x650
[   19.690874]  ? __virt_addr_valid+0x1db/0x2d0
[   19.690902]  ? _copy_from_user+0x32/0x90
[   19.690925]  ? kasan_complete_mode_report_info+0x2a/0x200
[   19.690952]  ? _copy_from_user+0x32/0x90
[   19.690974]  kasan_report+0x141/0x180
[   19.690999]  ? _copy_from_user+0x32/0x90
[   19.691026]  kasan_check_range+0x10c/0x1c0
[   19.691049]  __kasan_check_write+0x18/0x20
[   19.691136]  _copy_from_user+0x32/0x90
[   19.691191]  copy_user_test_oob+0x2be/0x10f0
[   19.691248]  ? __pfx_copy_user_test_oob+0x10/0x10
[   19.691359]  ? finish_task_switch.isra.0+0x153/0x700
[   19.691424]  ? __switch_to+0x5d9/0xf60
[   19.691476]  ? dequeue_task_fair+0x166/0x4e0
[   19.691537]  ? __schedule+0x10cc/0x2b60
[   19.691605]  ? __pfx_read_tsc+0x10/0x10
[   19.691669]  ? ktime_get_ts64+0x86/0x230
[   19.691733]  kunit_try_run_case+0x1a5/0x480
[   19.691790]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.691819]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   19.691849]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   19.691876]  ? __kthread_parkme+0x82/0x180
[   19.691903]  ? preempt_count_sub+0x50/0x80
[   19.691931]  ? __pfx_kunit_try_run_case+0x10/0x10
[   19.691958]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.691985]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   19.692012]  kthread+0x337/0x6f0
[   19.692033]  ? trace_preempt_on+0x20/0xc0
[   19.692092]  ? __pfx_kthread+0x10/0x10
[   19.692119]  ? _raw_spin_unlock_irq+0x47/0x80
[   19.692145]  ? calculate_sigpending+0x7b/0xa0
[   19.692172]  ? __pfx_kthread+0x10/0x10
[   19.692194]  ret_from_fork+0x41/0x80
[   19.692218]  ? __pfx_kthread+0x10/0x10
[   19.692240]  ret_from_fork_asm+0x1a/0x30
[   19.692276]  </TASK>
[   19.692294] 
[   19.706302] Allocated by task 306:
[   19.706734]  kasan_save_stack+0x45/0x70
[   19.707422]  kasan_save_track+0x18/0x40
[   19.707664]  kasan_save_alloc_info+0x3b/0x50
[   19.708000]  __kasan_kmalloc+0xb7/0xc0
[   19.708492]  __kmalloc_noprof+0x1c9/0x500
[   19.708685]  kunit_kmalloc_array+0x25/0x60
[   19.709306]  copy_user_test_oob+0xab/0x10f0
[   19.709523]  kunit_try_run_case+0x1a5/0x480
[   19.710111]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   19.710556]  kthread+0x337/0x6f0
[   19.711007]  ret_from_fork+0x41/0x80
[   19.711268]  ret_from_fork_asm+0x1a/0x30
[   19.711785] 
[   19.711924] The buggy address belongs to the object at ffff888102b20500
[   19.711924]  which belongs to the cache kmalloc-128 of size 128
[   19.712662] The buggy address is located 0 bytes inside of
[   19.712662]  allocated 120-byte region [ffff888102b20500, ffff888102b20578)
[   19.713740] 
[   19.713958] The buggy address belongs to the physical page:
[   19.714349] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b20
[   19.714714] flags: 0x200000000000000(node=0|zone=2)
[   19.714983] page_type: f5(slab)
[   19.715301] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   19.716206] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   19.716797] page dumped because: kasan: bad access detected
[   19.717034] 
[   19.717316] Memory state around the buggy address:
[   19.717697]  ffff888102b20400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   19.718479]  ffff888102b20480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.718826] >ffff888102b20500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   19.719422]                                                                 ^
[   19.720021]  ffff888102b20580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.720302]  ffff888102b20600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   19.720881] ==================================================================