[   15.481099] ==================================================================
[   15.481421] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   15.482127] Read of size 121 at addr ffff8881027e1800 by task kunit_try_catch/302
[   15.482857] 
[   15.483063] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[   15.483111] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.483124] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.483147] Call Trace:
[   15.483163]  <TASK>
[   15.483190]  dump_stack_lvl+0x73/0xb0
[   15.483221]  print_report+0xd1/0x650
[   15.483245]  ? __virt_addr_valid+0x1db/0x2d0
[   15.483281]  ? _copy_to_user+0x3c/0x70
[   15.483301]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.483326]  ? _copy_to_user+0x3c/0x70
[   15.483345]  kasan_report+0x141/0x180
[   15.483368]  ? _copy_to_user+0x3c/0x70
[   15.483393]  kasan_check_range+0x10c/0x1c0
[   15.483417]  __kasan_check_read+0x15/0x20
[   15.483437]  _copy_to_user+0x3c/0x70
[   15.483457]  copy_user_test_oob+0x364/0x10f0
[   15.483483]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.483506]  ? finish_task_switch.isra.0+0x153/0x700
[   15.483530]  ? __switch_to+0x47/0xf50
[   15.483556]  ? __schedule+0x10cc/0x2b60
[   15.483579]  ? __pfx_read_tsc+0x10/0x10
[   15.483601]  ? ktime_get_ts64+0x86/0x230
[   15.483626]  kunit_try_run_case+0x1a5/0x480
[   15.483659]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.483682]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.483706]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.483730]  ? __kthread_parkme+0x82/0x180
[   15.483752]  ? preempt_count_sub+0x50/0x80
[   15.483775]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.483799]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.483823]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.483846]  kthread+0x337/0x6f0
[   15.483866]  ? trace_preempt_on+0x20/0xc0
[   15.483890]  ? __pfx_kthread+0x10/0x10
[   15.483911]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.483932]  ? calculate_sigpending+0x7b/0xa0
[   15.483958]  ? __pfx_kthread+0x10/0x10
[   15.483979]  ret_from_fork+0x116/0x1d0
[   15.483998]  ? __pfx_kthread+0x10/0x10
[   15.484019]  ret_from_fork_asm+0x1a/0x30
[   15.484059]  </TASK>
[   15.484072] 
[   15.491621] Allocated by task 302:
[   15.491814]  kasan_save_stack+0x45/0x70
[   15.492041]  kasan_save_track+0x18/0x40
[   15.492242]  kasan_save_alloc_info+0x3b/0x50
[   15.492457]  __kasan_kmalloc+0xb7/0xc0
[   15.492616]  __kmalloc_noprof+0x1c9/0x500
[   15.492848]  kunit_kmalloc_array+0x25/0x60
[   15.493068]  copy_user_test_oob+0xab/0x10f0
[   15.493264]  kunit_try_run_case+0x1a5/0x480
[   15.493451]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.493630]  kthread+0x337/0x6f0
[   15.493843]  ret_from_fork+0x116/0x1d0
[   15.494051]  ret_from_fork_asm+0x1a/0x30
[   15.494378] 
[   15.494508] The buggy address belongs to the object at ffff8881027e1800
[   15.494508]  which belongs to the cache kmalloc-128 of size 128
[   15.495094] The buggy address is located 0 bytes inside of
[   15.495094]  allocated 120-byte region [ffff8881027e1800, ffff8881027e1878)
[   15.495575] 
[   15.495650] The buggy address belongs to the physical page:
[   15.495824] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027e1
[   15.496076] flags: 0x200000000000000(node=0|zone=2)
[   15.496331] page_type: f5(slab)
[   15.496527] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.497126] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.497356] page dumped because: kasan: bad access detected
[   15.497529] 
[   15.497601] Memory state around the buggy address:
[   15.498063]  ffff8881027e1700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.498383]  ffff8881027e1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.498837] >ffff8881027e1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.499149]                                                                 ^
[   15.499364]  ffff8881027e1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.499683]  ffff8881027e1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.500014] ==================================================================