[   15.577873] ==================================================================
[   15.578432] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   15.579254] Write of size 121 at addr ffff8881039bf700 by task kunit_try_catch/303
[   15.580066] 
[   15.580320] CPU: 1 UID: 0 PID: 303 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[   15.580371] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.580385] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.580410] Call Trace:
[   15.580424]  <TASK>
[   15.580445]  dump_stack_lvl+0x73/0xb0
[   15.580476]  print_report+0xd1/0x650
[   15.580503]  ? __virt_addr_valid+0x1db/0x2d0
[   15.580528]  ? _copy_from_user+0x32/0x90
[   15.580548]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.580572]  ? _copy_from_user+0x32/0x90
[   15.580592]  kasan_report+0x141/0x180
[   15.580615]  ? _copy_from_user+0x32/0x90
[   15.580639]  kasan_check_range+0x10c/0x1c0
[   15.580665]  __kasan_check_write+0x18/0x20
[   15.580686]  _copy_from_user+0x32/0x90
[   15.580707]  copy_user_test_oob+0x2be/0x10f0
[   15.580734]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.580758]  ? finish_task_switch.isra.0+0x153/0x700
[   15.580782]  ? __switch_to+0x47/0xf50
[   15.580810]  ? __schedule+0x10cc/0x2b60
[   15.580833]  ? __pfx_read_tsc+0x10/0x10
[   15.580855]  ? ktime_get_ts64+0x86/0x230
[   15.580882]  kunit_try_run_case+0x1a5/0x480
[   15.580905]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.580930]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.580954]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.580977]  ? __kthread_parkme+0x82/0x180
[   15.581000]  ? preempt_count_sub+0x50/0x80
[   15.581024]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.581048]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.581072]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.581096]  kthread+0x337/0x6f0
[   15.581117]  ? trace_preempt_on+0x20/0xc0
[   15.581173]  ? __pfx_kthread+0x10/0x10
[   15.581194]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.581216]  ? calculate_sigpending+0x7b/0xa0
[   15.581241]  ? __pfx_kthread+0x10/0x10
[   15.581263]  ret_from_fork+0x116/0x1d0
[   15.581283]  ? __pfx_kthread+0x10/0x10
[   15.581304]  ret_from_fork_asm+0x1a/0x30
[   15.581335]  </TASK>
[   15.581349] 
[   15.589155] Allocated by task 303:
[   15.589378]  kasan_save_stack+0x45/0x70
[   15.589563]  kasan_save_track+0x18/0x40
[   15.589750]  kasan_save_alloc_info+0x3b/0x50
[   15.589902]  __kasan_kmalloc+0xb7/0xc0
[   15.590110]  __kmalloc_noprof+0x1c9/0x500
[   15.590545]  kunit_kmalloc_array+0x25/0x60
[   15.590750]  copy_user_test_oob+0xab/0x10f0
[   15.590939]  kunit_try_run_case+0x1a5/0x480
[   15.591178]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.591481]  kthread+0x337/0x6f0
[   15.591651]  ret_from_fork+0x116/0x1d0
[   15.591866]  ret_from_fork_asm+0x1a/0x30
[   15.592048] 
[   15.592173] The buggy address belongs to the object at ffff8881039bf700
[   15.592173]  which belongs to the cache kmalloc-128 of size 128
[   15.592642] The buggy address is located 0 bytes inside of
[   15.592642]  allocated 120-byte region [ffff8881039bf700, ffff8881039bf778)
[   15.593219] 
[   15.593330] The buggy address belongs to the physical page:
[   15.593567] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1039bf
[   15.593951] flags: 0x200000000000000(node=0|zone=2)
[   15.594281] page_type: f5(slab)
[   15.594411] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.594751] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.595032] page dumped because: kasan: bad access detected
[   15.595220] 
[   15.595292] Memory state around the buggy address:
[   15.595453]  ffff8881039bf600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.595743]  ffff8881039bf680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.596487] >ffff8881039bf700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.596714]                                                                 ^
[   15.596930]  ffff8881039bf780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.597160]  ffff8881039bf800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.597378] ==================================================================