[   22.717885] ==================================================================
[   22.718418] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_left+0x361/0x3c0
[   22.718714] Read of size 1 at addr ffff8881025fe5bf by task kunit_try_catch/186
[   22.719043] 
[   22.719183] CPU: 1 UID: 0 PID: 186 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5-next-20250708 #1 PREEMPT(voluntary) 
[   22.719287] Tainted: [B]=BAD_PAGE, [N]=TEST
[   22.719300] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   22.719325] Call Trace:
[   22.719339]  <TASK>
[   22.719361]  dump_stack_lvl+0x73/0xb0
[   22.719397]  print_report+0xd1/0x610
[   22.719421]  ? __virt_addr_valid+0x1db/0x2d0
[   22.719449]  ? kmalloc_oob_left+0x361/0x3c0
[   22.719470]  ? kasan_complete_mode_report_info+0x64/0x200
[   22.719498]  ? kmalloc_oob_left+0x361/0x3c0
[   22.719520]  kasan_report+0x141/0x180
[   22.719543]  ? kmalloc_oob_left+0x361/0x3c0
[   22.719569]  __asan_report_load1_noabort+0x18/0x20
[   22.719596]  kmalloc_oob_left+0x361/0x3c0
[   22.719618]  ? __pfx_kmalloc_oob_left+0x10/0x10
[   22.719640]  ? __schedule+0x10cc/0x2b60
[   22.719670]  ? __pfx_read_tsc+0x10/0x10
[   22.719696]  ? ktime_get_ts64+0x86/0x230
[   22.719725]  kunit_try_run_case+0x1a5/0x480
[   22.719750]  ? __pfx_kunit_try_run_case+0x10/0x10
[   22.719884]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   22.719906]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   22.719935]  ? __kthread_parkme+0x82/0x180
[   22.719957]  ? preempt_count_sub+0x50/0x80
[   22.719982]  ? __pfx_kunit_try_run_case+0x10/0x10
[   22.720004]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   22.720042]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   22.720087]  kthread+0x337/0x6f0
[   22.720108]  ? trace_preempt_on+0x20/0xc0
[   22.720134]  ? __pfx_kthread+0x10/0x10
[   22.720157]  ? _raw_spin_unlock_irq+0x47/0x80
[   22.720184]  ? calculate_sigpending+0x7b/0xa0
[   22.720212]  ? __pfx_kthread+0x10/0x10
[   22.720235]  ret_from_fork+0x116/0x1d0
[   22.720265]  ? __pfx_kthread+0x10/0x10
[   22.720287]  ret_from_fork_asm+0x1a/0x30
[   22.720323]  </TASK>
[   22.720335] 
[   22.730343] Allocated by task 21:
[   22.730515]  kasan_save_stack+0x45/0x70
[   22.730660]  kasan_save_track+0x18/0x40
[   22.730811]  kasan_save_alloc_info+0x3b/0x50
[   22.731020]  __kasan_kmalloc+0xb7/0xc0
[   22.731788]  __kmalloc_cache_node_noprof+0x188/0x420
[   22.732001]  build_sched_domains+0x38c/0x5dd0
[   22.732252]  partition_sched_domains+0x471/0x9c0
[   22.732549]  rebuild_sched_domains_locked+0x97d/0xd50
[   22.733113]  cpuset_update_active_cpus+0x80f/0x1a90
[   22.733532]  sched_cpu_activate+0x2bf/0x330
[   22.733718]  cpuhp_invoke_callback+0x2a1/0xf00
[   22.734108]  cpuhp_thread_fun+0x2ce/0x5c0
[   22.734265]  smpboot_thread_fn+0x2bc/0x730
[   22.734402]  kthread+0x337/0x6f0
[   22.734749]  ret_from_fork+0x116/0x1d0
[   22.735442]  ret_from_fork_asm+0x1a/0x30
[   22.735638] 
[   22.736377] Freed by task 21:
[   22.737605]  kasan_save_stack+0x45/0x70
[   22.738576]  kasan_save_track+0x18/0x40
[   22.739023]  kasan_save_free_info+0x3f/0x60
[   22.739180]  __kasan_slab_free+0x56/0x70
[   22.739333]  kfree+0x222/0x3f0
[   22.739453]  build_sched_domains+0x1fff/0x5dd0
[   22.739603]  partition_sched_domains+0x471/0x9c0
[   22.739764]  rebuild_sched_domains_locked+0x97d/0xd50
[   22.739929]  cpuset_update_active_cpus+0x80f/0x1a90
[   22.740088]  sched_cpu_activate+0x2bf/0x330
[   22.740232]  cpuhp_invoke_callback+0x2a1/0xf00
[   22.740387]  cpuhp_thread_fun+0x2ce/0x5c0
[   22.741493]  smpboot_thread_fn+0x2bc/0x730
[   22.742450]  kthread+0x337/0x6f0
[   22.742638]  ret_from_fork+0x116/0x1d0
[   22.743520]  ret_from_fork_asm+0x1a/0x30
[   22.744099] 
[   22.744495] The buggy address belongs to the object at ffff8881025fe5a0
[   22.744495]  which belongs to the cache kmalloc-16 of size 16
[   22.745354] The buggy address is located 15 bytes to the right of
[   22.745354]  allocated 16-byte region [ffff8881025fe5a0, ffff8881025fe5b0)
[   22.746136] 
[   22.746218] The buggy address belongs to the physical page:
[   22.746409] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025fe
[   22.746651] flags: 0x200000000000000(node=0|zone=2)
[   22.746844] page_type: f5(slab)
[   22.746966] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122
[   22.747892] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   22.748161] page dumped because: kasan: bad access detected
[   22.748424] 
[   22.748515] Memory state around the buggy address:
[   22.749146]  ffff8881025fe480: 00 06 fc fc 00 06 fc fc fa fb fc fc fa fb fc fc
[   22.749662]  ffff8881025fe500: 00 00 fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   22.750300] >ffff8881025fe580: fa fb fc fc fa fb fc fc 00 07 fc fc fc fc fc fc
[   22.750949]                                         ^
[   22.751581]  ffff8881025fe600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.752470]  ffff8881025fe680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.753076] ==================================================================