[   28.362280] ==================================================================
[   28.363632] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   28.364099] Write of size 121 at addr ffff888105919e00 by task kunit_try_catch/334
[   28.364346] 
[   28.364548] CPU: 1 UID: 0 PID: 334 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc6-next-20250714 #1 PREEMPT(voluntary) 
[   28.364621] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   28.364637] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.364674] Call Trace:
[   28.364689]  <TASK>
[   28.364714]  dump_stack_lvl+0x73/0xb0
[   28.364759]  print_report+0xd1/0x610
[   28.364787]  ? __virt_addr_valid+0x1db/0x2d0
[   28.364824]  ? _copy_from_user+0x32/0x90
[   28.364858]  ? kasan_complete_mode_report_info+0x2a/0x200
[   28.364885]  ? _copy_from_user+0x32/0x90
[   28.364908]  kasan_report+0x141/0x180
[   28.364931]  ? _copy_from_user+0x32/0x90
[   28.364958]  kasan_check_range+0x10c/0x1c0
[   28.364982]  __kasan_check_write+0x18/0x20
[   28.365015]  _copy_from_user+0x32/0x90
[   28.365039]  copy_user_test_oob+0x2be/0x10f0
[   28.365078]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.365102]  ? sysvec_apic_timer_interrupt+0x50/0x90
[   28.365134]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.365172]  kunit_try_run_case+0x1a5/0x480
[   28.365195]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.365217]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   28.365242]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.365268]  ? __kthread_parkme+0x82/0x180
[   28.365291]  ? preempt_count_sub+0x50/0x80
[   28.365316]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.365339]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.365365]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.365392]  kthread+0x337/0x6f0
[   28.365413]  ? trace_preempt_on+0x20/0xc0
[   28.365440]  ? __pfx_kthread+0x10/0x10
[   28.365462]  ? _raw_spin_unlock_irq+0x47/0x80
[   28.365485]  ? calculate_sigpending+0x7b/0xa0
[   28.365511]  ? __pfx_kthread+0x10/0x10
[   28.365534]  ret_from_fork+0x116/0x1d0
[   28.365556]  ? __pfx_kthread+0x10/0x10
[   28.365578]  ret_from_fork_asm+0x1a/0x30
[   28.365611]  </TASK>
[   28.365625] 
[   28.377550] Allocated by task 334:
[   28.377763]  kasan_save_stack+0x45/0x70
[   28.377967]  kasan_save_track+0x18/0x40
[   28.378141]  kasan_save_alloc_info+0x3b/0x50
[   28.378332]  __kasan_kmalloc+0xb7/0xc0
[   28.378502]  __kmalloc_noprof+0x1c9/0x500
[   28.379133]  kunit_kmalloc_array+0x25/0x60
[   28.379437]  copy_user_test_oob+0xab/0x10f0
[   28.379637]  kunit_try_run_case+0x1a5/0x480
[   28.379998]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.380338]  kthread+0x337/0x6f0
[   28.380477]  ret_from_fork+0x116/0x1d0
[   28.380854]  ret_from_fork_asm+0x1a/0x30
[   28.381044] 
[   28.381228] The buggy address belongs to the object at ffff888105919e00
[   28.381228]  which belongs to the cache kmalloc-128 of size 128
[   28.382000] The buggy address is located 0 bytes inside of
[   28.382000]  allocated 120-byte region [ffff888105919e00, ffff888105919e78)
[   28.382632] 
[   28.382741] The buggy address belongs to the physical page:
[   28.383225] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105919
[   28.383647] flags: 0x200000000000000(node=0|zone=2)
[   28.383917] page_type: f5(slab)
[   28.384081] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   28.384362] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   28.384688] page dumped because: kasan: bad access detected
[   28.385201] 
[   28.385294] Memory state around the buggy address:
[   28.385454]  ffff888105919d00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.386123]  ffff888105919d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.386486] >ffff888105919e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   28.386925]                                                                 ^
[   28.387178]  ffff888105919e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.387578]  ffff888105919f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.387986] ==================================================================