[   14.985395] ==================================================================
[   14.986802] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   14.987050] Write of size 121 at addr ffff888101addf00 by task kunit_try_catch/311
[   14.987503] 
[   14.987760] CPU: 0 UID: 0 PID: 311 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250618 #1 PREEMPT(voluntary) 
[   14.987820] Tainted: [B]=BAD_PAGE, [N]=TEST
[   14.987834] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   14.987860] Call Trace:
[   14.987876]  <TASK>
[   14.987897]  dump_stack_lvl+0x73/0xb0
[   14.987929]  print_report+0xd1/0x650
[   14.987953]  ? __virt_addr_valid+0x1db/0x2d0
[   14.987979]  ? _copy_from_user+0x32/0x90
[   14.988001]  ? kasan_complete_mode_report_info+0x2a/0x200
[   14.988029]  ? _copy_from_user+0x32/0x90
[   14.988052]  kasan_report+0x141/0x180
[   14.988074]  ? _copy_from_user+0x32/0x90
[   14.988101]  kasan_check_range+0x10c/0x1c0
[   14.988125]  __kasan_check_write+0x18/0x20
[   14.988148]  _copy_from_user+0x32/0x90
[   14.988172]  copy_user_test_oob+0x2be/0x10f0
[   14.988198]  ? __pfx_copy_user_test_oob+0x10/0x10
[   14.988237]  ? finish_task_switch.isra.0+0x153/0x700
[   14.988261]  ? __switch_to+0x47/0xf50
[   14.988289]  ? __schedule+0x10cc/0x2b60
[   14.988351]  ? __pfx_read_tsc+0x10/0x10
[   14.988373]  ? ktime_get_ts64+0x86/0x230
[   14.988448]  kunit_try_run_case+0x1a5/0x480
[   14.988473]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.988494]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   14.988516]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   14.988540]  ? __kthread_parkme+0x82/0x180
[   14.988560]  ? preempt_count_sub+0x50/0x80
[   14.988583]  ? __pfx_kunit_try_run_case+0x10/0x10
[   14.988606]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   14.988629]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   14.988656]  kthread+0x337/0x6f0
[   14.988676]  ? trace_preempt_on+0x20/0xc0
[   14.988700]  ? __pfx_kthread+0x10/0x10
[   14.988722]  ? _raw_spin_unlock_irq+0x47/0x80
[   14.988743]  ? calculate_sigpending+0x7b/0xa0
[   14.988769]  ? __pfx_kthread+0x10/0x10
[   14.988791]  ret_from_fork+0x116/0x1d0
[   14.988809]  ? __pfx_kthread+0x10/0x10
[   14.988830]  ret_from_fork_asm+0x1a/0x30
[   14.988860]  </TASK>
[   14.988872] 
[   14.999352] Allocated by task 311:
[   14.999474]  kasan_save_stack+0x45/0x70
[   14.999607]  kasan_save_track+0x18/0x40
[   14.999730]  kasan_save_alloc_info+0x3b/0x50
[   14.999963]  __kasan_kmalloc+0xb7/0xc0
[   15.000165]  __kmalloc_noprof+0x1c9/0x500
[   15.000369]  kunit_kmalloc_array+0x25/0x60
[   15.000584]  copy_user_test_oob+0xab/0x10f0
[   15.000782]  kunit_try_run_case+0x1a5/0x480
[   15.000988]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.001223]  kthread+0x337/0x6f0
[   15.001384]  ret_from_fork+0x116/0x1d0
[   15.001560]  ret_from_fork_asm+0x1a/0x30
[   15.001707] 
[   15.001772] The buggy address belongs to the object at ffff888101addf00
[   15.001772]  which belongs to the cache kmalloc-128 of size 128
[   15.002181] The buggy address is located 0 bytes inside of
[   15.002181]  allocated 120-byte region [ffff888101addf00, ffff888101addf78)
[   15.002810] 
[   15.002876] The buggy address belongs to the physical page:
[   15.003039] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101add
[   15.003447] flags: 0x200000000000000(node=0|zone=2)
[   15.003682] page_type: f5(slab)
[   15.003861] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.004246] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.004558] page dumped because: kasan: bad access detected
[   15.004728] 
[   15.004795] Memory state around the buggy address:
[   15.004970]  ffff888101adde00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.005778]  ffff888101adde80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.006439] >ffff888101addf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.007013]                                                                 ^
[   15.007767]  ffff888101addf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.008424]  ffff888101ade000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.008955] ==================================================================