[   15.424197] ==================================================================
[   15.425422] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   15.426477] Write of size 121 at addr ffff888102b49800 by task kunit_try_catch/306
[   15.427195] 
[   15.427724] CPU: 1 UID: 0 PID: 306 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   15.427794] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.427809] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.427840] Call Trace:
[   15.427855]  <TASK>
[   15.427875]  dump_stack_lvl+0x73/0xb0
[   15.427906]  print_report+0xd1/0x650
[   15.427933]  ? __virt_addr_valid+0x1db/0x2d0
[   15.427957]  ? _copy_from_user+0x32/0x90
[   15.427980]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.428005]  ? _copy_from_user+0x32/0x90
[   15.428029]  kasan_report+0x141/0x180
[   15.428053]  ? _copy_from_user+0x32/0x90
[   15.428082]  kasan_check_range+0x10c/0x1c0
[   15.428107]  __kasan_check_write+0x18/0x20
[   15.428157]  _copy_from_user+0x32/0x90
[   15.428184]  copy_user_test_oob+0x2be/0x10f0
[   15.428208]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.428229]  ? finish_task_switch.isra.0+0x153/0x700
[   15.428254]  ? __switch_to+0x5d9/0xf60
[   15.428277]  ? dequeue_task_fair+0x166/0x4e0
[   15.428304]  ? __schedule+0x10cc/0x2b30
[   15.428341]  ? __pfx_read_tsc+0x10/0x10
[   15.428362]  ? ktime_get_ts64+0x86/0x230
[   15.428446]  kunit_try_run_case+0x1a5/0x480
[   15.428476]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.428499]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.428524]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.428549]  ? __kthread_parkme+0x82/0x180
[   15.428572]  ? preempt_count_sub+0x50/0x80
[   15.428598]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.428623]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.428646]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.428670]  kthread+0x337/0x6f0
[   15.428692]  ? trace_preempt_on+0x20/0xc0
[   15.428718]  ? __pfx_kthread+0x10/0x10
[   15.428741]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.428764]  ? calculate_sigpending+0x7b/0xa0
[   15.428786]  ? __pfx_kthread+0x10/0x10
[   15.428810]  ret_from_fork+0x41/0x80
[   15.428831]  ? __pfx_kthread+0x10/0x10
[   15.428854]  ret_from_fork_asm+0x1a/0x30
[   15.428887]  </TASK>
[   15.428899] 
[   15.440016] Allocated by task 306:
[   15.440337]  kasan_save_stack+0x45/0x70
[   15.440776]  kasan_save_track+0x18/0x40
[   15.441102]  kasan_save_alloc_info+0x3b/0x50
[   15.441342]  __kasan_kmalloc+0xb7/0xc0
[   15.441796]  __kmalloc_noprof+0x1c9/0x500
[   15.442022]  kunit_kmalloc_array+0x25/0x60
[   15.442399]  copy_user_test_oob+0xab/0x10f0
[   15.442834]  kunit_try_run_case+0x1a5/0x480
[   15.443033]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.443871]  kthread+0x337/0x6f0
[   15.444120]  ret_from_fork+0x41/0x80
[   15.444585]  ret_from_fork_asm+0x1a/0x30
[   15.444861] 
[   15.444958] The buggy address belongs to the object at ffff888102b49800
[   15.444958]  which belongs to the cache kmalloc-128 of size 128
[   15.446189] The buggy address is located 0 bytes inside of
[   15.446189]  allocated 120-byte region [ffff888102b49800, ffff888102b49878)
[   15.446707] 
[   15.446805] The buggy address belongs to the physical page:
[   15.447438] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b49
[   15.447949] flags: 0x200000000000000(node=0|zone=2)
[   15.448317] page_type: f5(slab)
[   15.448656] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.448979] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.449517] page dumped because: kasan: bad access detected
[   15.449929] 
[   15.450024] Memory state around the buggy address:
[   15.450568]  ffff888102b49700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.450876]  ffff888102b49780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.451374] >ffff888102b49800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.451842]                                                                 ^
[   15.452314]  ffff888102b49880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.452821]  ffff888102b49900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.453344] ==================================================================