[   23.683158] ==================================================================
[   23.684097] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   23.684685] Write of size 121 at addr ffff888102c74500 by task kunit_try_catch/293
[   23.685158] 
[   23.686098] CPU: 0 UID: 0 PID: 293 Comm: kunit_try_catch Tainted: G    B            N 6.14.11-rc1 #1
[   23.686214] Tainted: [B]=BAD_PAGE, [N]=TEST
[   23.686248] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   23.686300] Call Trace:
[   23.686343]  <TASK>
[   23.686392]  dump_stack_lvl+0x73/0xb0
[   23.686486]  print_report+0xd1/0x650
[   23.686546]  ? __virt_addr_valid+0x1db/0x2d0
[   23.686611]  ? _copy_from_user+0x32/0x90
[   23.686663]  ? kasan_complete_mode_report_info+0x2a/0x200
[   23.686703]  ? _copy_from_user+0x32/0x90
[   23.686733]  kasan_report+0x140/0x180
[   23.686764]  ? _copy_from_user+0x32/0x90
[   23.686796]  kasan_check_range+0x10c/0x1c0
[   23.686829]  __kasan_check_write+0x18/0x20
[   23.686883]  _copy_from_user+0x32/0x90
[   23.686913]  copy_user_test_oob+0x2bf/0x10f0
[   23.686949]  ? __pfx_copy_user_test_oob+0x10/0x10
[   23.686979]  ? finish_task_switch.isra.0+0x153/0x700
[   23.687013]  ? __switch_to+0x5d9/0xf60
[   23.687050]  ? __schedule+0xce8/0x2840
[   23.687083]  ? __pfx_read_tsc+0x10/0x10
[   23.687113]  ? ktime_get_ts64+0x86/0x230
[   23.687160]  kunit_try_run_case+0x1a6/0x480
[   23.687197]  ? __pfx_kunit_try_run_case+0x10/0x10
[   23.687226]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   23.687258]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   23.687297]  ? __kthread_parkme+0x82/0x160
[   23.687341]  ? preempt_count_sub+0x50/0x80
[   23.687375]  ? __pfx_kunit_try_run_case+0x10/0x10
[   23.687406]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   23.687442]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   23.687476]  kthread+0x324/0x6e0
[   23.687504]  ? trace_preempt_on+0x20/0xc0
[   23.687537]  ? __pfx_kthread+0x10/0x10
[   23.687567]  ? _raw_spin_unlock_irq+0x47/0x80
[   23.687597]  ? calculate_sigpending+0x7b/0xa0
[   23.687627]  ? __pfx_kthread+0x10/0x10
[   23.687657]  ret_from_fork+0x41/0x80
[   23.687697]  ? __pfx_kthread+0x10/0x10
[   23.687729]  ret_from_fork_asm+0x1a/0x30
[   23.687774]  </TASK>
[   23.687791] 
[   23.705287] Allocated by task 293:
[   23.706111]  kasan_save_stack+0x45/0x70
[   23.706537]  kasan_save_track+0x18/0x40
[   23.706934]  kasan_save_alloc_info+0x3b/0x50
[   23.707230]  __kasan_kmalloc+0xb7/0xc0
[   23.707787]  __kmalloc_noprof+0x1ca/0x500
[   23.708203]  kunit_kmalloc_array+0x25/0x60
[   23.708766]  copy_user_test_oob+0xac/0x10f0
[   23.709053]  kunit_try_run_case+0x1a6/0x480
[   23.709430]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   23.709876]  kthread+0x324/0x6e0
[   23.710280]  ret_from_fork+0x41/0x80
[   23.710590]  ret_from_fork_asm+0x1a/0x30
[   23.711028] 
[   23.711357] The buggy address belongs to the object at ffff888102c74500
[   23.711357]  which belongs to the cache kmalloc-128 of size 128
[   23.712541] The buggy address is located 0 bytes inside of
[   23.712541]  allocated 120-byte region [ffff888102c74500, ffff888102c74578)
[   23.713699] 
[   23.714128] The buggy address belongs to the physical page:
[   23.714714] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102c74
[   23.715575] flags: 0x200000000000000(node=0|zone=2)
[   23.715988] page_type: f5(slab)
[   23.716340] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   23.716947] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   23.717321] page dumped because: kasan: bad access detected
[   23.718473] 
[   23.718622] Memory state around the buggy address:
[   23.719376]  ffff888102c74400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   23.719826]  ffff888102c74480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.720614] >ffff888102c74500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   23.721238]                                                                 ^
[   23.721966]  ffff888102c74580: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.722620]  ffff888102c74600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   23.723221] ==================================================================