[   30.373625] ==================================================================
[   30.374705] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   30.375822] Write of size 121 at addr ffff888103782f00 by task kunit_try_catch/314
[   30.376819] 
[   30.377009] CPU: 1 UID: 0 PID: 314 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) 
[   30.377086] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.377121] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   30.377169] Call Trace:
[   30.377208]  <TASK>
[   30.377258]  dump_stack_lvl+0x73/0xb0
[   30.377657]  print_report+0xd1/0x650
[   30.377708]  ? __virt_addr_valid+0x1db/0x2d0
[   30.377740]  ? _copy_from_user+0x32/0x90
[   30.377768]  ? kasan_complete_mode_report_info+0x2a/0x200
[   30.377797]  ? _copy_from_user+0x32/0x90
[   30.377823]  kasan_report+0x141/0x180
[   30.377848]  ? _copy_from_user+0x32/0x90
[   30.377879]  kasan_check_range+0x10c/0x1c0
[   30.377914]  __kasan_check_write+0x18/0x20
[   30.378032]  _copy_from_user+0x32/0x90
[   30.378060]  copy_user_test_oob+0x2be/0x10f0
[   30.378096]  ? __pfx_copy_user_test_oob+0x10/0x10
[   30.378144]  ? finish_task_switch.isra.0+0x153/0x700
[   30.378172]  ? __switch_to+0x47/0xf50
[   30.378205]  ? __schedule+0x10cc/0x2b60
[   30.378232]  ? __pfx_read_tsc+0x10/0x10
[   30.378256]  ? ktime_get_ts64+0x86/0x230
[   30.378287]  kunit_try_run_case+0x1a5/0x480
[   30.378314]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.378340]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   30.378366]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   30.378392]  ? __kthread_parkme+0x82/0x180
[   30.378416]  ? preempt_count_sub+0x50/0x80
[   30.378442]  ? __pfx_kunit_try_run_case+0x10/0x10
[   30.378469]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   30.378495]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   30.378521]  kthread+0x337/0x6f0
[   30.378543]  ? trace_preempt_on+0x20/0xc0
[   30.378571]  ? __pfx_kthread+0x10/0x10
[   30.378595]  ? _raw_spin_unlock_irq+0x47/0x80
[   30.378619]  ? calculate_sigpending+0x7b/0xa0
[   30.378647]  ? __pfx_kthread+0x10/0x10
[   30.378671]  ret_from_fork+0x116/0x1d0
[   30.378694]  ? __pfx_kthread+0x10/0x10
[   30.378717]  ret_from_fork_asm+0x1a/0x30
[   30.378751]  </TASK>
[   30.378769] 
[   30.391704] Allocated by task 314:
[   30.392209]  kasan_save_stack+0x45/0x70
[   30.392529]  kasan_save_track+0x18/0x40
[   30.392735]  kasan_save_alloc_info+0x3b/0x50
[   30.392966]  __kasan_kmalloc+0xb7/0xc0
[   30.393341]  __kmalloc_noprof+0x1c9/0x500
[   30.393644]  kunit_kmalloc_array+0x25/0x60
[   30.394060]  copy_user_test_oob+0xab/0x10f0
[   30.394298]  kunit_try_run_case+0x1a5/0x480
[   30.394715]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   30.395039]  kthread+0x337/0x6f0
[   30.395382]  ret_from_fork+0x116/0x1d0
[   30.395673]  ret_from_fork_asm+0x1a/0x30
[   30.395888] 
[   30.396139] The buggy address belongs to the object at ffff888103782f00
[   30.396139]  which belongs to the cache kmalloc-128 of size 128
[   30.396894] The buggy address is located 0 bytes inside of
[   30.396894]  allocated 120-byte region [ffff888103782f00, ffff888103782f78)
[   30.397627] 
[   30.397793] The buggy address belongs to the physical page:
[   30.398321] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103782
[   30.398852] flags: 0x200000000000000(node=0|zone=2)
[   30.399151] page_type: f5(slab)
[   30.399501] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   30.399977] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   30.400571] page dumped because: kasan: bad access detected
[   30.400956] 
[   30.401151] Memory state around the buggy address:
[   30.401511]  ffff888103782e00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   30.401895]  ffff888103782e80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.402527] >ffff888103782f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   30.402987]                                                                 ^
[   30.403520]  ffff888103782f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.404140]  ffff888103783000: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   30.404577] ==================================================================