[   24.695916] ==================================================================
[   24.697076] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   24.697814] Write of size 121 at addr ffff8881033b2200 by task kunit_try_catch/312
[   24.698260] 
[   24.698474] CPU: 0 UID: 0 PID: 312 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250617 #1 PREEMPT(voluntary) 
[   24.698612] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.698655] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.698721] Call Trace:
[   24.698763]  <TASK>
[   24.698817]  dump_stack_lvl+0x73/0xb0
[   24.698921]  print_report+0xd1/0x650
[   24.699002]  ? __virt_addr_valid+0x1db/0x2d0
[   24.699081]  ? _copy_from_user+0x32/0x90
[   24.699150]  ? kasan_complete_mode_report_info+0x2a/0x200
[   24.699226]  ? _copy_from_user+0x32/0x90
[   24.699299]  kasan_report+0x141/0x180
[   24.699378]  ? _copy_from_user+0x32/0x90
[   24.699458]  kasan_check_range+0x10c/0x1c0
[   24.699551]  __kasan_check_write+0x18/0x20
[   24.699623]  _copy_from_user+0x32/0x90
[   24.699696]  copy_user_test_oob+0x2be/0x10f0
[   24.699784]  ? __pfx_copy_user_test_oob+0x10/0x10
[   24.699880]  ? finish_task_switch.isra.0+0x153/0x700
[   24.699940]  ? __switch_to+0x47/0xf50
[   24.699982]  ? __schedule+0x10cc/0x2b60
[   24.700013]  ? __pfx_read_tsc+0x10/0x10
[   24.700045]  ? ktime_get_ts64+0x86/0x230
[   24.700080]  kunit_try_run_case+0x1a5/0x480
[   24.700117]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.700151]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.700181]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.700232]  ? __kthread_parkme+0x82/0x180
[   24.700285]  ? preempt_count_sub+0x50/0x80
[   24.700320]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.700354]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.700388]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.700423]  kthread+0x337/0x6f0
[   24.700450]  ? trace_preempt_on+0x20/0xc0
[   24.700486]  ? __pfx_kthread+0x10/0x10
[   24.700517]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.700551]  ? calculate_sigpending+0x7b/0xa0
[   24.700587]  ? __pfx_kthread+0x10/0x10
[   24.700618]  ret_from_fork+0x116/0x1d0
[   24.700645]  ? __pfx_kthread+0x10/0x10
[   24.700673]  ret_from_fork_asm+0x1a/0x30
[   24.700719]  </TASK>
[   24.700737] 
[   24.716985] Allocated by task 312:
[   24.717368]  kasan_save_stack+0x45/0x70
[   24.717759]  kasan_save_track+0x18/0x40
[   24.718339]  kasan_save_alloc_info+0x3b/0x50
[   24.718659]  __kasan_kmalloc+0xb7/0xc0
[   24.719159]  __kmalloc_noprof+0x1c9/0x500
[   24.720007]  kunit_kmalloc_array+0x25/0x60
[   24.720482]  copy_user_test_oob+0xab/0x10f0
[   24.720989]  kunit_try_run_case+0x1a5/0x480
[   24.721680]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.722135]  kthread+0x337/0x6f0
[   24.722439]  ret_from_fork+0x116/0x1d0
[   24.722722]  ret_from_fork_asm+0x1a/0x30
[   24.723088] 
[   24.723413] The buggy address belongs to the object at ffff8881033b2200
[   24.723413]  which belongs to the cache kmalloc-128 of size 128
[   24.724776] The buggy address is located 0 bytes inside of
[   24.724776]  allocated 120-byte region [ffff8881033b2200, ffff8881033b2278)
[   24.726059] 
[   24.726379] The buggy address belongs to the physical page:
[   24.727010] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1033b2
[   24.727890] flags: 0x200000000000000(node=0|zone=2)
[   24.728274] page_type: f5(slab)
[   24.728550] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   24.729493] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   24.730202] page dumped because: kasan: bad access detected
[   24.730746] 
[   24.731083] Memory state around the buggy address:
[   24.731708]  ffff8881033b2100: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.732510]  ffff8881033b2180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.733063] >ffff8881033b2200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   24.733859]                                                                 ^
[   24.734440]  ffff8881033b2280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.735166]  ffff8881033b2300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.735782] ==================================================================