[   25.405700] ==================================================================
[   25.406247] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x4a/0x70
[   25.406857] Read of size 121 at addr ffff888103c6f300 by task kunit_try_catch/305
[   25.407440] 
[   25.407848] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   25.407981] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.408021] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.408087] Call Trace:
[   25.408142]  <TASK>
[   25.408195]  dump_stack_lvl+0x73/0xb0
[   25.408284]  print_report+0xd1/0x650
[   25.408367]  ? __virt_addr_valid+0x1db/0x2d0
[   25.408462]  ? _copy_to_user+0x4a/0x70
[   25.408561]  ? kasan_complete_mode_report_info+0x2a/0x200
[   25.408643]  ? _copy_to_user+0x4a/0x70
[   25.408721]  kasan_report+0x141/0x180
[   25.408805]  ? _copy_to_user+0x4a/0x70
[   25.408901]  kasan_check_range+0x10c/0x1c0
[   25.408989]  __kasan_check_read+0x15/0x20
[   25.409061]  _copy_to_user+0x4a/0x70
[   25.409141]  copy_user_test_oob+0x364/0x10f0
[   25.409206]  ? __pfx_copy_user_test_oob+0x10/0x10
[   25.409237]  ? finish_task_switch.isra.0+0x153/0x700
[   25.409272]  ? __switch_to+0x5d9/0xf60
[   25.409301]  ? dequeue_task_fair+0x166/0x4e0
[   25.409340]  ? __schedule+0x10cc/0x2b30
[   25.409375]  ? __pfx_read_tsc+0x10/0x10
[   25.409409]  ? ktime_get_ts64+0x86/0x230
[   25.409504]  kunit_try_run_case+0x1a5/0x480
[   25.409546]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.409587]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.409623]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.409659]  ? __kthread_parkme+0x82/0x180
[   25.409691]  ? preempt_count_sub+0x50/0x80
[   25.409726]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.409759]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.409792]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.409825]  kthread+0x337/0x6f0
[   25.409855]  ? trace_preempt_on+0x20/0xc0
[   25.409889]  ? __pfx_kthread+0x10/0x10
[   25.409921]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.409953]  ? calculate_sigpending+0x7b/0xa0
[   25.409984]  ? __pfx_kthread+0x10/0x10
[   25.410017]  ret_from_fork+0x41/0x80
[   25.410047]  ? __pfx_kthread+0x10/0x10
[   25.410079]  ret_from_fork_asm+0x1a/0x30
[   25.410123]  </TASK>
[   25.410137] 
[   25.424647] Allocated by task 305:
[   25.424963]  kasan_save_stack+0x45/0x70
[   25.425394]  kasan_save_track+0x18/0x40
[   25.425784]  kasan_save_alloc_info+0x3b/0x50
[   25.426424]  __kasan_kmalloc+0xb7/0xc0
[   25.426765]  __kmalloc_noprof+0x1c9/0x500
[   25.427094]  kunit_kmalloc_array+0x25/0x60
[   25.427452]  copy_user_test_oob+0xab/0x10f0
[   25.427931]  kunit_try_run_case+0x1a5/0x480
[   25.428373]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.428892]  kthread+0x337/0x6f0
[   25.429288]  ret_from_fork+0x41/0x80
[   25.429766]  ret_from_fork_asm+0x1a/0x30
[   25.430085] 
[   25.430267] The buggy address belongs to the object at ffff888103c6f300
[   25.430267]  which belongs to the cache kmalloc-128 of size 128
[   25.431185] The buggy address is located 0 bytes inside of
[   25.431185]  allocated 120-byte region [ffff888103c6f300, ffff888103c6f378)
[   25.432714] 
[   25.432919] The buggy address belongs to the physical page:
[   25.433288] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103c6f
[   25.433987] flags: 0x200000000000000(node=0|zone=2)
[   25.434674] page_type: f5(slab)
[   25.435016] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   25.435513] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   25.435973] page dumped because: kasan: bad access detected
[   25.436463] 
[   25.436707] Memory state around the buggy address:
[   25.437153]  ffff888103c6f200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.438090]  ffff888103c6f280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.438723] >ffff888103c6f300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   25.439522]                                                                 ^
[   25.440011]  ffff888103c6f380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.440461]  ffff888103c6f400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.441047] ==================================================================