[   16.499072] ==================================================================
[   16.499668] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   16.500271] Write of size 121 at addr ffff8881029ed100 by task kunit_try_catch/305
[   16.500874] 
[   16.501035] CPU: 1 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc2 #1 PREEMPT(voluntary) 
[   16.501140] Tainted: [B]=BAD_PAGE, [N]=TEST
[   16.501169] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   16.501213] Call Trace:
[   16.501244]  <TASK>
[   16.501337]  dump_stack_lvl+0x73/0xb0
[   16.501404]  print_report+0xd1/0x650
[   16.501484]  ? __virt_addr_valid+0x1db/0x2d0
[   16.501533]  ? _copy_from_user+0x32/0x90
[   16.501578]  ? kasan_complete_mode_report_info+0x2a/0x200
[   16.501643]  ? _copy_from_user+0x32/0x90
[   16.501684]  kasan_report+0x141/0x180
[   16.501727]  ? _copy_from_user+0x32/0x90
[   16.501776]  kasan_check_range+0x10c/0x1c0
[   16.501857]  __kasan_check_write+0x18/0x20
[   16.501899]  _copy_from_user+0x32/0x90
[   16.501938]  copy_user_test_oob+0x2be/0x10f0
[   16.501993]  ? __pfx_copy_user_test_oob+0x10/0x10
[   16.502030]  ? finish_task_switch.isra.0+0x153/0x700
[   16.502079]  ? __switch_to+0x5d9/0xf60
[   16.502155]  ? dequeue_task_fair+0x166/0x4e0
[   16.502205]  ? __schedule+0x10cc/0x2b60
[   16.502254]  ? __pfx_read_tsc+0x10/0x10
[   16.502317]  ? ktime_get_ts64+0x86/0x230
[   16.502366]  kunit_try_run_case+0x1a5/0x480
[   16.502417]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.502463]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   16.502513]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   16.502540]  ? __kthread_parkme+0x82/0x180
[   16.502577]  ? preempt_count_sub+0x50/0x80
[   16.502602]  ? __pfx_kunit_try_run_case+0x10/0x10
[   16.502643]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.502670]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   16.502694]  kthread+0x337/0x6f0
[   16.502712]  ? trace_preempt_on+0x20/0xc0
[   16.502738]  ? __pfx_kthread+0x10/0x10
[   16.502757]  ? _raw_spin_unlock_irq+0x47/0x80
[   16.502779]  ? calculate_sigpending+0x7b/0xa0
[   16.502803]  ? __pfx_kthread+0x10/0x10
[   16.502822]  ret_from_fork+0x41/0x80
[   16.502843]  ? __pfx_kthread+0x10/0x10
[   16.502862]  ret_from_fork_asm+0x1a/0x30
[   16.502894]  </TASK>
[   16.502910] 
[   16.512094] Allocated by task 305:
[   16.512517]  kasan_save_stack+0x45/0x70
[   16.512991]  kasan_save_track+0x18/0x40
[   16.513350]  kasan_save_alloc_info+0x3b/0x50
[   16.513772]  __kasan_kmalloc+0xb7/0xc0
[   16.513996]  __kmalloc_noprof+0x1c9/0x500
[   16.514231]  kunit_kmalloc_array+0x25/0x60
[   16.514569]  copy_user_test_oob+0xab/0x10f0
[   16.514939]  kunit_try_run_case+0x1a5/0x480
[   16.515149]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   16.515388]  kthread+0x337/0x6f0
[   16.515560]  ret_from_fork+0x41/0x80
[   16.515877]  ret_from_fork_asm+0x1a/0x30
[   16.516196] 
[   16.516356] The buggy address belongs to the object at ffff8881029ed100
[   16.516356]  which belongs to the cache kmalloc-128 of size 128
[   16.516741] The buggy address is located 0 bytes inside of
[   16.516741]  allocated 120-byte region [ffff8881029ed100, ffff8881029ed178)
[   16.517103] 
[   16.517216] The buggy address belongs to the physical page:
[   16.517413] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1029ed
[   16.517938] flags: 0x200000000000000(node=0|zone=2)
[   16.518337] page_type: f5(slab)
[   16.518651] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   16.519366] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   16.519971] page dumped because: kasan: bad access detected
[   16.520169] 
[   16.520272] Memory state around the buggy address:
[   16.520459]  ffff8881029ed000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   16.521011]  ffff8881029ed080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.521478] >ffff8881029ed100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   16.521928]                                                                 ^
[   16.522285]  ffff8881029ed180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.522597]  ffff8881029ed200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   16.522975] ==================================================================