[   15.012314] ==================================================================
[   15.012683] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   15.012982] Read of size 121 at addr ffff888101addf00 by task kunit_try_catch/311
[   15.013289] 
[   15.013400] CPU: 0 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) 
[   15.013447] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.013460] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.013484] Call Trace:
[   15.013499]  <TASK>
[   15.013515]  dump_stack_lvl+0x73/0xb0
[   15.013562]  print_report+0xd1/0x650
[   15.013585]  ? __virt_addr_valid+0x1db/0x2d0
[   15.013607]  ? _copy_to_user+0x3c/0x70
[   15.013630]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.013658]  ? _copy_to_user+0x3c/0x70
[   15.013680]  kasan_report+0x141/0x180
[   15.013701]  ? _copy_to_user+0x3c/0x70
[   15.013728]  kasan_check_range+0x10c/0x1c0
[   15.013751]  __kasan_check_read+0x15/0x20
[   15.013775]  _copy_to_user+0x3c/0x70
[   15.013797]  copy_user_test_oob+0x364/0x10f0
[   15.013822]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.013845]  ? finish_task_switch.isra.0+0x153/0x700
[   15.013868]  ? __switch_to+0x47/0xf50
[   15.013895]  ? __schedule+0x10cc/0x2b60
[   15.013938]  ? __pfx_read_tsc+0x10/0x10
[   15.013959]  ? ktime_get_ts64+0x86/0x230
[   15.013985]  kunit_try_run_case+0x1a5/0x480
[   15.014009]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.014030]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.014055]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.014078]  ? __kthread_parkme+0x82/0x180
[   15.014098]  ? preempt_count_sub+0x50/0x80
[   15.014122]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.014145]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.014168]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.014192]  kthread+0x337/0x6f0
[   15.014221]  ? trace_preempt_on+0x20/0xc0
[   15.014245]  ? __pfx_kthread+0x10/0x10
[   15.014265]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.014287]  ? calculate_sigpending+0x7b/0xa0
[   15.014310]  ? __pfx_kthread+0x10/0x10
[   15.014331]  ret_from_fork+0x116/0x1d0
[   15.014350]  ? __pfx_kthread+0x10/0x10
[   15.014370]  ret_from_fork_asm+0x1a/0x30
[   15.014400]  </TASK>
[   15.014412] 
[   15.021410] Allocated by task 311:
[   15.021539]  kasan_save_stack+0x45/0x70
[   15.021727]  kasan_save_track+0x18/0x40
[   15.021909]  kasan_save_alloc_info+0x3b/0x50
[   15.022128]  __kasan_kmalloc+0xb7/0xc0
[   15.022297]  __kmalloc_noprof+0x1c9/0x500
[   15.022431]  kunit_kmalloc_array+0x25/0x60
[   15.022658]  copy_user_test_oob+0xab/0x10f0
[   15.022859]  kunit_try_run_case+0x1a5/0x480
[   15.023055]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.023313]  kthread+0x337/0x6f0
[   15.023492]  ret_from_fork+0x116/0x1d0
[   15.023642]  ret_from_fork_asm+0x1a/0x30
[   15.023840] 
[   15.023930] The buggy address belongs to the object at ffff888101addf00
[   15.023930]  which belongs to the cache kmalloc-128 of size 128
[   15.024413] The buggy address is located 0 bytes inside of
[   15.024413]  allocated 120-byte region [ffff888101addf00, ffff888101addf78)
[   15.024772] 
[   15.024837] The buggy address belongs to the physical page:
[   15.025093] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101add
[   15.025440] flags: 0x200000000000000(node=0|zone=2)
[   15.025851] page_type: f5(slab)
[   15.026006] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.026332] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.026561] page dumped because: kasan: bad access detected
[   15.026720] 
[   15.026783] Memory state around the buggy address:
[   15.026926]  ffff888101adde00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.027246]  ffff888101adde80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.027578] >ffff888101addf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.027908]                                                                 ^
[   15.028251]  ffff888101addf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.028517]  ffff888101ade000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.028769] ==================================================================