[   27.037047] ==================================================================
[   27.037777] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   27.038502] Write of size 121 at addr ffff888105ab1d00 by task kunit_try_catch/334
[   27.038924] 
[   27.039026] CPU: 0 UID: 0 PID: 334 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4-next-20250703 #1 PREEMPT(voluntary) 
[   27.039083] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.039098] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   27.039124] Call Trace:
[   27.039140]  <TASK>
[   27.039162]  dump_stack_lvl+0x73/0xb0
[   27.039196]  print_report+0xd1/0x650
[   27.039437]  ? __virt_addr_valid+0x1db/0x2d0
[   27.039491]  ? _copy_from_user+0x32/0x90
[   27.039516]  ? kasan_complete_mode_report_info+0x2a/0x200
[   27.039545]  ? _copy_from_user+0x32/0x90
[   27.039568]  kasan_report+0x141/0x180
[   27.039592]  ? _copy_from_user+0x32/0x90
[   27.039619]  kasan_check_range+0x10c/0x1c0
[   27.039644]  __kasan_check_write+0x18/0x20
[   27.039668]  _copy_from_user+0x32/0x90
[   27.039692]  copy_user_test_oob+0x2be/0x10f0
[   27.039719]  ? __pfx_copy_user_test_oob+0x10/0x10
[   27.039743]  ? finish_task_switch.isra.0+0x153/0x700
[   27.039768]  ? __switch_to+0x47/0xf50
[   27.039797]  ? __schedule+0x10cc/0x2b60
[   27.039825]  ? __pfx_read_tsc+0x10/0x10
[   27.039848]  ? ktime_get_ts64+0x86/0x230
[   27.039875]  kunit_try_run_case+0x1a5/0x480
[   27.039901]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.039926]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   27.039949]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   27.039977]  ? __kthread_parkme+0x82/0x180
[   27.039999]  ? preempt_count_sub+0x50/0x80
[   27.040023]  ? __pfx_kunit_try_run_case+0x10/0x10
[   27.040050]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.040076]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   27.040101]  kthread+0x337/0x6f0
[   27.040122]  ? trace_preempt_on+0x20/0xc0
[   27.040148]  ? __pfx_kthread+0x10/0x10
[   27.040170]  ? _raw_spin_unlock_irq+0x47/0x80
[   27.040195]  ? calculate_sigpending+0x7b/0xa0
[   27.040221]  ? __pfx_kthread+0x10/0x10
[   27.040244]  ret_from_fork+0x116/0x1d0
[   27.040265]  ? __pfx_kthread+0x10/0x10
[   27.040287]  ret_from_fork_asm+0x1a/0x30
[   27.040320]  </TASK>
[   27.040334] 
[   27.049909] Allocated by task 334:
[   27.050212]  kasan_save_stack+0x45/0x70
[   27.050545]  kasan_save_track+0x18/0x40
[   27.050823]  kasan_save_alloc_info+0x3b/0x50
[   27.051151]  __kasan_kmalloc+0xb7/0xc0
[   27.051342]  __kmalloc_noprof+0x1c9/0x500
[   27.051626]  kunit_kmalloc_array+0x25/0x60
[   27.051893]  copy_user_test_oob+0xab/0x10f0
[   27.052050]  kunit_try_run_case+0x1a5/0x480
[   27.052421]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   27.052783]  kthread+0x337/0x6f0
[   27.052919]  ret_from_fork+0x116/0x1d0
[   27.053243]  ret_from_fork_asm+0x1a/0x30
[   27.053433] 
[   27.053629] The buggy address belongs to the object at ffff888105ab1d00
[   27.053629]  which belongs to the cache kmalloc-128 of size 128
[   27.054100] The buggy address is located 0 bytes inside of
[   27.054100]  allocated 120-byte region [ffff888105ab1d00, ffff888105ab1d78)
[   27.054834] 
[   27.055003] The buggy address belongs to the physical page:
[   27.055332] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ab1
[   27.055749] flags: 0x200000000000000(node=0|zone=2)
[   27.056077] page_type: f5(slab)
[   27.056224] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   27.056700] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   27.057072] page dumped because: kasan: bad access detected
[   27.057345] 
[   27.057596] Memory state around the buggy address:
[   27.057978]  ffff888105ab1c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.058314]  ffff888105ab1c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.058688] >ffff888105ab1d00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   27.059046]                                                                 ^
[   27.059446]  ffff888105ab1d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.059785]  ffff888105ab1e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.060028] ==================================================================