[   26.640420] ==================================================================
[   26.641655] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   26.642878] Write of size 121 at addr ffff8881039c8700 by task kunit_try_catch/303
[   26.643521] 
[   26.643777] CPU: 0 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc1 #1 PREEMPT(voluntary) 
[   26.643944] Tainted: [B]=BAD_PAGE, [N]=TEST
[   26.644016] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   26.644090] Call Trace:
[   26.644141]  <TASK>
[   26.644204]  dump_stack_lvl+0x73/0xb0
[   26.644382]  print_report+0xd1/0x650
[   26.644518]  ? __virt_addr_valid+0x1db/0x2d0
[   26.644611]  ? _copy_from_user+0x32/0x90
[   26.644702]  ? kasan_complete_mode_report_info+0x2a/0x200
[   26.644818]  ? _copy_from_user+0x32/0x90
[   26.644901]  kasan_report+0x141/0x180
[   26.644950]  ? _copy_from_user+0x32/0x90
[   26.644988]  kasan_check_range+0x10c/0x1c0
[   26.645025]  __kasan_check_write+0x18/0x20
[   26.645094]  _copy_from_user+0x32/0x90
[   26.645144]  copy_user_test_oob+0x2be/0x10f0
[   26.645189]  ? __pfx_copy_user_test_oob+0x10/0x10
[   26.645282]  ? finish_task_switch.isra.0+0x153/0x700
[   26.645326]  ? __switch_to+0x47/0xf50
[   26.645366]  ? __schedule+0x10cc/0x2b60
[   26.645401]  ? __pfx_read_tsc+0x10/0x10
[   26.645434]  ? ktime_get_ts64+0x86/0x230
[   26.645470]  kunit_try_run_case+0x1a5/0x480
[   26.645538]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.645577]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   26.645633]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   26.645672]  ? __kthread_parkme+0x82/0x180
[   26.645703]  ? preempt_count_sub+0x50/0x80
[   26.645735]  ? __pfx_kunit_try_run_case+0x10/0x10
[   26.645772]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.645807]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   26.645845]  kthread+0x337/0x6f0
[   26.645874]  ? trace_preempt_on+0x20/0xc0
[   26.645910]  ? __pfx_kthread+0x10/0x10
[   26.645941]  ? _raw_spin_unlock_irq+0x47/0x80
[   26.645973]  ? calculate_sigpending+0x7b/0xa0
[   26.646009]  ? __pfx_kthread+0x10/0x10
[   26.646040]  ret_from_fork+0x116/0x1d0
[   26.646068]  ? __pfx_kthread+0x10/0x10
[   26.646097]  ret_from_fork_asm+0x1a/0x30
[   26.646142]  </TASK>
[   26.646162] 
[   26.663533] Allocated by task 303:
[   26.663904]  kasan_save_stack+0x45/0x70
[   26.664464]  kasan_save_track+0x18/0x40
[   26.664965]  kasan_save_alloc_info+0x3b/0x50
[   26.665519]  __kasan_kmalloc+0xb7/0xc0
[   26.665938]  __kmalloc_noprof+0x1c9/0x500
[   26.666464]  kunit_kmalloc_array+0x25/0x60
[   26.666832]  copy_user_test_oob+0xab/0x10f0
[   26.667171]  kunit_try_run_case+0x1a5/0x480
[   26.667687]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   26.668306]  kthread+0x337/0x6f0
[   26.668724]  ret_from_fork+0x116/0x1d0
[   26.669166]  ret_from_fork_asm+0x1a/0x30
[   26.669662] 
[   26.669915] The buggy address belongs to the object at ffff8881039c8700
[   26.669915]  which belongs to the cache kmalloc-128 of size 128
[   26.670965] The buggy address is located 0 bytes inside of
[   26.670965]  allocated 120-byte region [ffff8881039c8700, ffff8881039c8778)
[   26.671871] 
[   26.672164] The buggy address belongs to the physical page:
[   26.672772] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039c8
[   26.673608] flags: 0x200000000000000(node=0|zone=2)
[   26.674163] page_type: f5(slab)
[   26.674649] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   26.675307] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   26.675999] page dumped because: kasan: bad access detected
[   26.676468] 
[   26.676923] Memory state around the buggy address:
[   26.677908]  ffff8881039c8600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   26.679030]  ffff8881039c8680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.680600] >ffff8881039c8700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   26.681253]                                                                 ^
[   26.681902]  ffff8881039c8780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.682554]  ffff8881039c8800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   26.683118] ==================================================================