[   25.873812] ==================================================================
[   25.875527] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0
[   25.876316] Read of size 1 at addr ffff8881022a25ff by task kunit_try_catch/167
[   25.876791] 
[   25.876952] CPU: 1 UID: 0 PID: 167 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc2-next-20250619 #1 PREEMPT(voluntary) 
[   25.877050] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.877072] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.877122] Call Trace:
[   25.877149]  <TASK>
[   25.877183]  dump_stack_lvl+0x73/0xb0
[   25.877260]  print_report+0xd1/0x650
[   25.877301]  ? __virt_addr_valid+0x1db/0x2d0
[   25.877338]  ? kmalloc_oob_left+0x361/0x3c0
[   25.877372]  ? kasan_complete_mode_report_info+0x64/0x200
[   25.877411]  ? kmalloc_oob_left+0x361/0x3c0
[   25.877448]  kasan_report+0x141/0x180
[   25.877880]  ? kmalloc_oob_left+0x361/0x3c0
[   25.877999]  __asan_report_load1_noabort+0x18/0x20
[   25.878059]  kmalloc_oob_left+0x361/0x3c0
[   25.878120]  ? __pfx_kmalloc_oob_left+0x10/0x10
[   25.878173]  ? __schedule+0x10cc/0x2b60
[   25.878223]  ? __pfx_read_tsc+0x10/0x10
[   25.878270]  ? ktime_get_ts64+0x86/0x230
[   25.878422]  kunit_try_run_case+0x1a5/0x480
[   25.878526]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.878556]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.878583]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.878607]  ? __kthread_parkme+0x82/0x180
[   25.878631]  ? preempt_count_sub+0x50/0x80
[   25.878657]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.878681]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.878722]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.878747]  kthread+0x337/0x6f0
[   25.878769]  ? trace_preempt_on+0x20/0xc0
[   25.878794]  ? __pfx_kthread+0x10/0x10
[   25.878816]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.878839]  ? calculate_sigpending+0x7b/0xa0
[   25.878864]  ? __pfx_kthread+0x10/0x10
[   25.878887]  ret_from_fork+0x116/0x1d0
[   25.878930]  ? __pfx_kthread+0x10/0x10
[   25.879229]  ret_from_fork_asm+0x1a/0x30
[   25.879266]  </TASK>
[   25.879279] 
[   25.893995] Allocated by task 21:
[   25.894317]  kasan_save_stack+0x45/0x70
[   25.894623]  kasan_save_track+0x18/0x40
[   25.894882]  kasan_save_alloc_info+0x3b/0x50
[   25.895085]  __kasan_kmalloc+0xb7/0xc0
[   25.896753]  __kmalloc_cache_node_noprof+0x188/0x420
[   25.897231]  build_sched_domains+0x38c/0x5dd0
[   25.897862]  partition_sched_domains+0x471/0x9c0
[   25.898484]  rebuild_sched_domains_locked+0x97d/0xd50
[   25.898728]  cpuset_update_active_cpus+0x80f/0x1a90
[   25.898948]  sched_cpu_activate+0x2bf/0x330
[   25.899875]  cpuhp_invoke_callback+0x2a1/0xf00
[   25.900521]  cpuhp_thread_fun+0x2ce/0x5c0
[   25.901160]  smpboot_thread_fn+0x2bc/0x730
[   25.901471]  kthread+0x337/0x6f0
[   25.901769]  ret_from_fork+0x116/0x1d0
[   25.902526]  ret_from_fork_asm+0x1a/0x30
[   25.902937] 
[   25.903387] Freed by task 21:
[   25.903629]  kasan_save_stack+0x45/0x70
[   25.904497]  kasan_save_track+0x18/0x40
[   25.904810]  kasan_save_free_info+0x3f/0x60
[   25.905275]  __kasan_slab_free+0x56/0x70
[   25.905655]  kfree+0x222/0x3f0
[   25.905858]  build_sched_domains+0x1fff/0x5dd0
[   25.906488]  partition_sched_domains+0x471/0x9c0
[   25.907133]  rebuild_sched_domains_locked+0x97d/0xd50
[   25.907414]  cpuset_update_active_cpus+0x80f/0x1a90
[   25.907830]  sched_cpu_activate+0x2bf/0x330
[   25.908718]  cpuhp_invoke_callback+0x2a1/0xf00
[   25.909245]  cpuhp_thread_fun+0x2ce/0x5c0
[   25.909462]  smpboot_thread_fn+0x2bc/0x730
[   25.909840]  kthread+0x337/0x6f0
[   25.910363]  ret_from_fork+0x116/0x1d0
[   25.910695]  ret_from_fork_asm+0x1a/0x30
[   25.911346] 
[   25.911559] The buggy address belongs to the object at ffff8881022a25e0
[   25.911559]  which belongs to the cache kmalloc-16 of size 16
[   25.912295] The buggy address is located 15 bytes to the right of
[   25.912295]  allocated 16-byte region [ffff8881022a25e0, ffff8881022a25f0)
[   25.913645] 
[   25.913873] The buggy address belongs to the physical page:
[   25.914632] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1022a2
[   25.915363] flags: 0x200000000000000(node=0|zone=2)
[   25.915785] page_type: f5(slab)
[   25.916422] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122
[   25.916921] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   25.917241] page dumped because: kasan: bad access detected
[   25.917633] 
[   25.917752] Memory state around the buggy address:
[   25.918091]  ffff8881022a2480: fa fb fc fc 00 06 fc fc 00 06 fc fc 00 06 fc fc
[   25.919166]  ffff8881022a2500: fa fb fc fc fa fb fc fc 00 00 fc fc fa fb fc fc
[   25.919747] >ffff8881022a2580: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   25.920832]                                                                 ^
[   25.921541]  ffff8881022a2600: 00 07 fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.921959]  ffff8881022a2680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.922660] ==================================================================