[   15.458624] ==================================================================
[   15.459262] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   15.459678] Write of size 121 at addr ffff8881027e1800 by task kunit_try_catch/302
[   15.460043] 
[   15.460202] CPU: 1 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[   15.460255] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.460269] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.460296] Call Trace:
[   15.460311]  <TASK>
[   15.460334]  dump_stack_lvl+0x73/0xb0
[   15.460407]  print_report+0xd1/0x650
[   15.460466]  ? __virt_addr_valid+0x1db/0x2d0
[   15.460494]  ? _copy_from_user+0x32/0x90
[   15.460514]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.460538]  ? _copy_from_user+0x32/0x90
[   15.460559]  kasan_report+0x141/0x180
[   15.460582]  ? _copy_from_user+0x32/0x90
[   15.460607]  kasan_check_range+0x10c/0x1c0
[   15.460631]  __kasan_check_write+0x18/0x20
[   15.460652]  _copy_from_user+0x32/0x90
[   15.460672]  copy_user_test_oob+0x2be/0x10f0
[   15.460725]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.460749]  ? finish_task_switch.isra.0+0x153/0x700
[   15.460775]  ? __switch_to+0x47/0xf50
[   15.460814]  ? __schedule+0x10cc/0x2b60
[   15.460838]  ? __pfx_read_tsc+0x10/0x10
[   15.460861]  ? ktime_get_ts64+0x86/0x230
[   15.460913]  kunit_try_run_case+0x1a5/0x480
[   15.460938]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.460961]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.460998]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.461029]  ? __kthread_parkme+0x82/0x180
[   15.461053]  ? preempt_count_sub+0x50/0x80
[   15.461076]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.461100]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.461126]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.461153]  kthread+0x337/0x6f0
[   15.461173]  ? trace_preempt_on+0x20/0xc0
[   15.461199]  ? __pfx_kthread+0x10/0x10
[   15.461220]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.461241]  ? calculate_sigpending+0x7b/0xa0
[   15.461266]  ? __pfx_kthread+0x10/0x10
[   15.461289]  ret_from_fork+0x116/0x1d0
[   15.461308]  ? __pfx_kthread+0x10/0x10
[   15.461329]  ret_from_fork_asm+0x1a/0x30
[   15.461361]  </TASK>
[   15.461376] 
[   15.469213] Allocated by task 302:
[   15.469418]  kasan_save_stack+0x45/0x70
[   15.469639]  kasan_save_track+0x18/0x40
[   15.469844]  kasan_save_alloc_info+0x3b/0x50
[   15.470067]  __kasan_kmalloc+0xb7/0xc0
[   15.470290]  __kmalloc_noprof+0x1c9/0x500
[   15.470508]  kunit_kmalloc_array+0x25/0x60
[   15.470709]  copy_user_test_oob+0xab/0x10f0
[   15.470864]  kunit_try_run_case+0x1a5/0x480
[   15.471080]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.471334]  kthread+0x337/0x6f0
[   15.471552]  ret_from_fork+0x116/0x1d0
[   15.471785]  ret_from_fork_asm+0x1a/0x30
[   15.472005] 
[   15.472111] The buggy address belongs to the object at ffff8881027e1800
[   15.472111]  which belongs to the cache kmalloc-128 of size 128
[   15.472658] The buggy address is located 0 bytes inside of
[   15.472658]  allocated 120-byte region [ffff8881027e1800, ffff8881027e1878)
[   15.473212] 
[   15.473311] The buggy address belongs to the physical page:
[   15.473480] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027e1
[   15.473727] flags: 0x200000000000000(node=0|zone=2)
[   15.474014] page_type: f5(slab)
[   15.474267] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.474713] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.475069] page dumped because: kasan: bad access detected
[   15.475314] 
[   15.475388] Memory state around the buggy address:
[   15.475543]  ffff8881027e1700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.475992]  ffff8881027e1780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.476376] >ffff8881027e1800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.476741]                                                                 ^
[   15.477051]  ffff8881027e1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.477262]  ffff8881027e1900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.477534] ==================================================================