[   28.004933] ==================================================================
[   28.005508] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   28.005947] Write of size 121 at addr ffff8881060ab300 by task kunit_try_catch/333
[   28.006256] 
[   28.006350] CPU: 1 UID: 0 PID: 333 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) 
[   28.006404] Tainted: [B]=BAD_PAGE, [N]=TEST
[   28.006418] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   28.006442] Call Trace:
[   28.006458]  <TASK>
[   28.006484]  dump_stack_lvl+0x73/0xb0
[   28.006518]  print_report+0xd1/0x610
[   28.006555]  ? __virt_addr_valid+0x1db/0x2d0
[   28.007022]  ? _copy_from_user+0x32/0x90
[   28.007051]  ? kasan_complete_mode_report_info+0x2a/0x200
[   28.007079]  ? _copy_from_user+0x32/0x90
[   28.007104]  kasan_report+0x141/0x180
[   28.007128]  ? _copy_from_user+0x32/0x90
[   28.007157]  kasan_check_range+0x10c/0x1c0
[   28.007182]  __kasan_check_write+0x18/0x20
[   28.007207]  _copy_from_user+0x32/0x90
[   28.007231]  copy_user_test_oob+0x2be/0x10f0
[   28.007259]  ? __pfx_copy_user_test_oob+0x10/0x10
[   28.007283]  ? finish_task_switch.isra.0+0x153/0x700
[   28.007306]  ? __switch_to+0x47/0xf80
[   28.007336]  ? __schedule+0x10cc/0x2b60
[   28.007360]  ? __pfx_read_tsc+0x10/0x10
[   28.007384]  ? ktime_get_ts64+0x86/0x230
[   28.007412]  kunit_try_run_case+0x1a5/0x480
[   28.007436]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.007458]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   28.007483]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   28.007507]  ? __kthread_parkme+0x82/0x180
[   28.007541]  ? preempt_count_sub+0x50/0x80
[   28.007589]  ? __pfx_kunit_try_run_case+0x10/0x10
[   28.007643]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.007672]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   28.007700]  kthread+0x337/0x6f0
[   28.007721]  ? trace_preempt_on+0x20/0xc0
[   28.007747]  ? __pfx_kthread+0x10/0x10
[   28.007769]  ? _raw_spin_unlock_irq+0x47/0x80
[   28.007794]  ? calculate_sigpending+0x7b/0xa0
[   28.007820]  ? __pfx_kthread+0x10/0x10
[   28.007843]  ret_from_fork+0x116/0x1d0
[   28.007864]  ? __pfx_kthread+0x10/0x10
[   28.007885]  ret_from_fork_asm+0x1a/0x30
[   28.007919]  </TASK>
[   28.007932] 
[   28.019137] Allocated by task 333:
[   28.019571]  kasan_save_stack+0x45/0x70
[   28.019940]  kasan_save_track+0x18/0x40
[   28.020122]  kasan_save_alloc_info+0x3b/0x50
[   28.020456]  __kasan_kmalloc+0xb7/0xc0
[   28.020831]  __kmalloc_noprof+0x1c9/0x500
[   28.021211]  kunit_kmalloc_array+0x25/0x60
[   28.021379]  copy_user_test_oob+0xab/0x10f0
[   28.021599]  kunit_try_run_case+0x1a5/0x480
[   28.021804]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   28.022236]  kthread+0x337/0x6f0
[   28.022511]  ret_from_fork+0x116/0x1d0
[   28.022940]  ret_from_fork_asm+0x1a/0x30
[   28.023202] 
[   28.023367] The buggy address belongs to the object at ffff8881060ab300
[   28.023367]  which belongs to the cache kmalloc-128 of size 128
[   28.024170] The buggy address is located 0 bytes inside of
[   28.024170]  allocated 120-byte region [ffff8881060ab300, ffff8881060ab378)
[   28.024931] 
[   28.025081] The buggy address belongs to the physical page:
[   28.025384] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1060ab
[   28.026006] flags: 0x200000000000000(node=0|zone=2)
[   28.026231] page_type: f5(slab)
[   28.026423] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   28.026996] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   28.027428] page dumped because: kasan: bad access detected
[   28.027860] 
[   28.028107] Memory state around the buggy address:
[   28.028377]  ffff8881060ab200: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   28.028892]  ffff8881060ab280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.029214] >ffff8881060ab300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   28.029648]                                                                 ^
[   28.030165]  ffff8881060ab380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.030509]  ffff8881060ab400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   28.030936] ==================================================================