[   18.372135] ==================================================================
[   18.372709] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   18.372926] Write of size 121 at addr ffff8881039f5200 by task kunit_try_catch/305
[   18.373175] 
[   18.373260] CPU: 1 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.2-rc1 #1 PREEMPT(voluntary) 
[   18.373322] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.373336] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.373363] Call Trace:
[   18.373378]  <TASK>
[   18.373403]  dump_stack_lvl+0x73/0xb0
[   18.373436]  print_report+0xd1/0x650
[   18.373465]  ? __virt_addr_valid+0x1db/0x2d0
[   18.373490]  ? _copy_from_user+0x32/0x90
[   18.373510]  ? kasan_complete_mode_report_info+0x2a/0x200
[   18.373535]  ? _copy_from_user+0x32/0x90
[   18.373555]  kasan_report+0x141/0x180
[   18.373593]  ? _copy_from_user+0x32/0x90
[   18.373617]  kasan_check_range+0x10c/0x1c0
[   18.373638]  __kasan_check_write+0x18/0x20
[   18.373658]  _copy_from_user+0x32/0x90
[   18.373679]  copy_user_test_oob+0x2be/0x10f0
[   18.373701]  ? __pfx_copy_user_test_oob+0x10/0x10
[   18.373720]  ? finish_task_switch.isra.0+0x153/0x700
[   18.373747]  ? __switch_to+0x5d9/0xf60
[   18.373769]  ? dequeue_task_fair+0x166/0x4e0
[   18.373793]  ? __schedule+0x10cc/0x2b30
[   18.373818]  ? __pfx_read_tsc+0x10/0x10
[   18.373840]  ? ktime_get_ts64+0x86/0x230
[   18.373869]  kunit_try_run_case+0x1a5/0x480
[   18.373897]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.373918]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   18.373942]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   18.373965]  ? __kthread_parkme+0x82/0x180
[   18.373988]  ? preempt_count_sub+0x50/0x80
[   18.374012]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.374035]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.374057]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   18.374080]  kthread+0x337/0x6f0
[   18.374098]  ? trace_preempt_on+0x20/0xc0
[   18.374123]  ? __pfx_kthread+0x10/0x10
[   18.374141]  ? _raw_spin_unlock_irq+0x47/0x80
[   18.374162]  ? calculate_sigpending+0x7b/0xa0
[   18.374185]  ? __pfx_kthread+0x10/0x10
[   18.374204]  ret_from_fork+0x41/0x80
[   18.374225]  ? __pfx_kthread+0x10/0x10
[   18.374243]  ret_from_fork_asm+0x1a/0x30
[   18.374275]  </TASK>
[   18.374289] 
[   18.380079] Allocated by task 305:
[   18.380175]  kasan_save_stack+0x45/0x70
[   18.380273]  kasan_save_track+0x18/0x40
[   18.380416]  kasan_save_alloc_info+0x3b/0x50
[   18.380671]  __kasan_kmalloc+0xb7/0xc0
[   18.380920]  __kmalloc_noprof+0x1c9/0x500
[   18.381224]  kunit_kmalloc_array+0x25/0x60
[   18.381566]  copy_user_test_oob+0xab/0x10f0
[   18.381685]  kunit_try_run_case+0x1a5/0x480
[   18.381782]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.381892]  kthread+0x337/0x6f0
[   18.381972]  ret_from_fork+0x41/0x80
[   18.382059]  ret_from_fork_asm+0x1a/0x30
[   18.382152] 
[   18.382267] The buggy address belongs to the object at ffff8881039f5200
[   18.382267]  which belongs to the cache kmalloc-128 of size 128
[   18.383034] The buggy address is located 0 bytes inside of
[   18.383034]  allocated 120-byte region [ffff8881039f5200, ffff8881039f5278)
[   18.383275] 
[   18.383339] The buggy address belongs to the physical page:
[   18.383451] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039f5
[   18.384033] flags: 0x200000000000000(node=0|zone=2)
[   18.384305] page_type: f5(slab)
[   18.384501] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   18.384902] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   18.385124] page dumped because: kasan: bad access detected
[   18.385230] 
[   18.385284] Memory state around the buggy address:
[   18.385385]  ffff8881039f5100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   18.385512]  ffff8881039f5180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.385650] >ffff8881039f5200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   18.386100]                                                                 ^
[   18.386573]  ffff8881039f5280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.386880]  ffff8881039f5300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.387016] ==================================================================