[   31.074156] ==================================================================
[   31.075464] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   31.076335] Write of size 121 at addr ffff888105635400 by task kunit_try_catch/333
[   31.077045] 
[   31.077339] CPU: 0 UID: 0 PID: 333 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc7-next-20250724 #1 PREEMPT(voluntary) 
[   31.077407] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   31.077423] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   31.077559] Call Trace:
[   31.077588]  <TASK>
[   31.077614]  dump_stack_lvl+0x73/0xb0
[   31.077655]  print_report+0xd1/0x640
[   31.077683]  ? __virt_addr_valid+0x1db/0x2d0
[   31.077741]  ? _copy_from_user+0x32/0x90
[   31.077792]  ? kasan_complete_mode_report_info+0x2a/0x200
[   31.077819]  ? _copy_from_user+0x32/0x90
[   31.077839]  kasan_report+0x141/0x180
[   31.077863]  ? _copy_from_user+0x32/0x90
[   31.077887]  kasan_check_range+0x10c/0x1c0
[   31.077917]  __kasan_check_write+0x18/0x20
[   31.077942]  _copy_from_user+0x32/0x90
[   31.077963]  copy_user_test_oob+0x2be/0x10f0
[   31.077992]  ? __pfx_copy_user_test_oob+0x10/0x10
[   31.078016]  ? finish_task_switch.isra.0+0x153/0x700
[   31.078040]  ? __switch_to+0x47/0xf80
[   31.078069]  ? __schedule+0x10da/0x2b60
[   31.078096]  ? __pfx_read_tsc+0x10/0x10
[   31.078119]  ? ktime_get_ts64+0x86/0x230
[   31.078147]  kunit_try_run_case+0x1a5/0x480
[   31.078172]  ? __pfx_kunit_try_run_case+0x10/0x10
[   31.078195]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   31.078221]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   31.078248]  ? __kthread_parkme+0x82/0x180
[   31.078269]  ? preempt_count_sub+0x50/0x80
[   31.078293]  ? __pfx_kunit_try_run_case+0x10/0x10
[   31.078318]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   31.078343]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   31.078367]  kthread+0x337/0x6f0
[   31.078388]  ? trace_preempt_on+0x20/0xc0
[   31.078414]  ? __pfx_kthread+0x10/0x10
[   31.078435]  ? _raw_spin_unlock_irq+0x47/0x80
[   31.078460]  ? calculate_sigpending+0x7b/0xa0
[   31.078485]  ? __pfx_kthread+0x10/0x10
[   31.078507]  ret_from_fork+0x116/0x1d0
[   31.078528]  ? __pfx_kthread+0x10/0x10
[   31.078549]  ret_from_fork_asm+0x1a/0x30
[   31.078591]  </TASK>
[   31.078615] 
[   31.092431] Allocated by task 333:
[   31.092611]  kasan_save_stack+0x45/0x70
[   31.092898]  kasan_save_track+0x18/0x40
[   31.093598]  kasan_save_alloc_info+0x3b/0x50
[   31.094132]  __kasan_kmalloc+0xb7/0xc0
[   31.094295]  __kmalloc_noprof+0x1ca/0x510
[   31.094475]  kunit_kmalloc_array+0x25/0x60
[   31.094679]  copy_user_test_oob+0xab/0x10f0
[   31.094908]  kunit_try_run_case+0x1a5/0x480
[   31.095373]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   31.095796]  kthread+0x337/0x6f0
[   31.096114]  ret_from_fork+0x116/0x1d0
[   31.096264]  ret_from_fork_asm+0x1a/0x30
[   31.096680] 
[   31.096781] The buggy address belongs to the object at ffff888105635400
[   31.096781]  which belongs to the cache kmalloc-128 of size 128
[   31.097502] The buggy address is located 0 bytes inside of
[   31.097502]  allocated 120-byte region [ffff888105635400, ffff888105635478)
[   31.098475] 
[   31.098764] The buggy address belongs to the physical page:
[   31.099181] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105635
[   31.099831] flags: 0x200000000000000(node=0|zone=2)
[   31.100003] page_type: f5(slab)
[   31.100171] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   31.100618] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   31.101212] page dumped because: kasan: bad access detected
[   31.101565] 
[   31.101678] Memory state around the buggy address:
[   31.101965]  ffff888105635300: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   31.102461]  ffff888105635380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.102911] >ffff888105635400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   31.103212]                                                                 ^
[   31.103673]  ffff888105635480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.104159]  ffff888105635500: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   31.104567] ==================================================================