[   25.357624] ==================================================================
[   25.358832] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   25.359337] Write of size 121 at addr ffff888103c6f300 by task kunit_try_catch/305
[   25.360654] 
[   25.360887] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   25.361059] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.361338] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.361378] Call Trace:
[   25.361398]  <TASK>
[   25.361468]  dump_stack_lvl+0x73/0xb0
[   25.361538]  print_report+0xd1/0x650
[   25.361586]  ? __virt_addr_valid+0x1db/0x2d0
[   25.361623]  ? _copy_from_user+0x32/0x90
[   25.361658]  ? kasan_complete_mode_report_info+0x2a/0x200
[   25.361693]  ? _copy_from_user+0x32/0x90
[   25.361729]  kasan_report+0x141/0x180
[   25.361764]  ? _copy_from_user+0x32/0x90
[   25.361806]  kasan_check_range+0x10c/0x1c0
[   25.361844]  __kasan_check_write+0x18/0x20
[   25.361875]  _copy_from_user+0x32/0x90
[   25.361912]  copy_user_test_oob+0x2be/0x10f0
[   25.361947]  ? __pfx_copy_user_test_oob+0x10/0x10
[   25.361976]  ? finish_task_switch.isra.0+0x153/0x700
[   25.362013]  ? __switch_to+0x5d9/0xf60
[   25.362045]  ? dequeue_task_fair+0x166/0x4e0
[   25.362082]  ? __schedule+0x10cc/0x2b30
[   25.362120]  ? __pfx_read_tsc+0x10/0x10
[   25.362153]  ? ktime_get_ts64+0x86/0x230
[   25.362192]  kunit_try_run_case+0x1a5/0x480
[   25.362230]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.362265]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.362302]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.362339]  ? __kthread_parkme+0x82/0x180
[   25.362374]  ? preempt_count_sub+0x50/0x80
[   25.362440]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.362508]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.362547]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.362583]  kthread+0x337/0x6f0
[   25.362618]  ? trace_preempt_on+0x20/0xc0
[   25.362657]  ? __pfx_kthread+0x10/0x10
[   25.362691]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.362725]  ? calculate_sigpending+0x7b/0xa0
[   25.362759]  ? __pfx_kthread+0x10/0x10
[   25.362794]  ret_from_fork+0x41/0x80
[   25.362828]  ? __pfx_kthread+0x10/0x10
[   25.362864]  ret_from_fork_asm+0x1a/0x30
[   25.362910]  </TASK>
[   25.362926] 
[   25.382805] Allocated by task 305:
[   25.383185]  kasan_save_stack+0x45/0x70
[   25.383621]  kasan_save_track+0x18/0x40
[   25.384006]  kasan_save_alloc_info+0x3b/0x50
[   25.384503]  __kasan_kmalloc+0xb7/0xc0
[   25.384922]  __kmalloc_noprof+0x1c9/0x500
[   25.385306]  kunit_kmalloc_array+0x25/0x60
[   25.385705]  copy_user_test_oob+0xab/0x10f0
[   25.386103]  kunit_try_run_case+0x1a5/0x480
[   25.386614]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.387172]  kthread+0x337/0x6f0
[   25.387632]  ret_from_fork+0x41/0x80
[   25.388009]  ret_from_fork_asm+0x1a/0x30
[   25.388518] 
[   25.388715] The buggy address belongs to the object at ffff888103c6f300
[   25.388715]  which belongs to the cache kmalloc-128 of size 128
[   25.389736] The buggy address is located 0 bytes inside of
[   25.389736]  allocated 120-byte region [ffff888103c6f300, ffff888103c6f378)
[   25.390673] 
[   25.390871] The buggy address belongs to the physical page:
[   25.391366] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103c6f
[   25.392099] flags: 0x200000000000000(node=0|zone=2)
[   25.392560] page_type: f5(slab)
[   25.392858] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   25.393642] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   25.394307] page dumped because: kasan: bad access detected
[   25.394846] 
[   25.395079] Memory state around the buggy address:
[   25.395600]  ffff888103c6f200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.396157]  ffff888103c6f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.396733] >ffff888103c6f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   25.397197]                                                                 ^
[   25.397870]  ffff888103c6f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.398518]  ffff888103c6f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.399061] ==================================================================