[   15.607805] ==================================================================
[   15.608145] BUG: KASAN: slab-out-of-bounds in _copy_to_user+0x3c/0x70
[   15.608481] Read of size 121 at addr ffff8881031c1900 by task kunit_try_catch/304
[   15.608824] 
[   15.608917] CPU: 0 UID: 0 PID: 304 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[   15.609006] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.609021] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.609069] Call Trace:
[   15.609084]  <TASK>
[   15.609100]  dump_stack_lvl+0x73/0xb0
[   15.609132]  print_report+0xd1/0x650
[   15.609157]  ? __virt_addr_valid+0x1db/0x2d0
[   15.609181]  ? _copy_to_user+0x3c/0x70
[   15.609201]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.609225]  ? _copy_to_user+0x3c/0x70
[   15.609245]  kasan_report+0x141/0x180
[   15.609268]  ? _copy_to_user+0x3c/0x70
[   15.609293]  kasan_check_range+0x10c/0x1c0
[   15.609318]  __kasan_check_read+0x15/0x20
[   15.609371]  _copy_to_user+0x3c/0x70
[   15.609396]  copy_user_test_oob+0x364/0x10f0
[   15.609435]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.609469]  ? finish_task_switch.isra.0+0x153/0x700
[   15.609492]  ? __switch_to+0x47/0xf50
[   15.609519]  ? __schedule+0x10cc/0x2b60
[   15.609543]  ? __pfx_read_tsc+0x10/0x10
[   15.609565]  ? ktime_get_ts64+0x86/0x230
[   15.609589]  kunit_try_run_case+0x1a5/0x480
[   15.609614]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.609637]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.609662]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.609687]  ? __kthread_parkme+0x82/0x180
[   15.609708]  ? preempt_count_sub+0x50/0x80
[   15.609733]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.609758]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.609783]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.609807]  kthread+0x337/0x6f0
[   15.609828]  ? trace_preempt_on+0x20/0xc0
[   15.609853]  ? __pfx_kthread+0x10/0x10
[   15.609875]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.609897]  ? calculate_sigpending+0x7b/0xa0
[   15.609923]  ? __pfx_kthread+0x10/0x10
[   15.609946]  ret_from_fork+0x116/0x1d0
[   15.609965]  ? __pfx_kthread+0x10/0x10
[   15.609987]  ret_from_fork_asm+0x1a/0x30
[   15.610018]  </TASK>
[   15.610031] 
[   15.618025] Allocated by task 304:
[   15.618160]  kasan_save_stack+0x45/0x70
[   15.618306]  kasan_save_track+0x18/0x40
[   15.618498]  kasan_save_alloc_info+0x3b/0x50
[   15.618763]  __kasan_kmalloc+0xb7/0xc0
[   15.619038]  __kmalloc_noprof+0x1c9/0x500
[   15.619308]  kunit_kmalloc_array+0x25/0x60
[   15.619527]  copy_user_test_oob+0xab/0x10f0
[   15.619804]  kunit_try_run_case+0x1a5/0x480
[   15.620055]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.620331]  kthread+0x337/0x6f0
[   15.620518]  ret_from_fork+0x116/0x1d0
[   15.620658]  ret_from_fork_asm+0x1a/0x30
[   15.620860] 
[   15.621031] The buggy address belongs to the object at ffff8881031c1900
[   15.621031]  which belongs to the cache kmalloc-128 of size 128
[   15.621552] The buggy address is located 0 bytes inside of
[   15.621552]  allocated 120-byte region [ffff8881031c1900, ffff8881031c1978)
[   15.622148] 
[   15.622249] The buggy address belongs to the physical page:
[   15.622507] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1031c1
[   15.622919] flags: 0x200000000000000(node=0|zone=2)
[   15.623146] page_type: f5(slab)
[   15.623273] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.623552] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.624069] page dumped because: kasan: bad access detected
[   15.624375] 
[   15.624481] Memory state around the buggy address:
[   15.624648]  ffff8881031c1800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.625179]  ffff8881031c1880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.625407] >ffff8881031c1900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.625661]                                                                 ^
[   15.625980]  ffff8881031c1980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.626366]  ffff8881031c1a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.626689] ==================================================================