[   24.226996] ==================================================================
[   24.227491] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   24.228068] Read of size 1 at addr ffff888101d3ac80 by task kunit_try_catch/263
[   24.228403] 
[   24.228747] CPU: 1 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5-next-20250708 #1 PREEMPT(voluntary) 
[   24.228823] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.228836] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.228861] Call Trace:
[   24.228877]  <TASK>
[   24.229138]  dump_stack_lvl+0x73/0xb0
[   24.229189]  print_report+0xd1/0x610
[   24.229225]  ? __virt_addr_valid+0x1db/0x2d0
[   24.229270]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.229298]  ? kasan_complete_mode_report_info+0x64/0x200
[   24.229327]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.229354]  kasan_report+0x141/0x180
[   24.229406]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.229435]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.229462]  __kasan_check_byte+0x3d/0x50
[   24.229485]  kmem_cache_destroy+0x25/0x1d0
[   24.229517]  kmem_cache_double_destroy+0x1bf/0x380
[   24.229544]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   24.229570]  ? finish_task_switch.isra.0+0x153/0x700
[   24.229594]  ? __switch_to+0x47/0xf50
[   24.229627]  ? __pfx_read_tsc+0x10/0x10
[   24.229654]  ? ktime_get_ts64+0x86/0x230
[   24.229682]  kunit_try_run_case+0x1a5/0x480
[   24.229709]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.229730]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.229785]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.229817]  ? __kthread_parkme+0x82/0x180
[   24.229840]  ? preempt_count_sub+0x50/0x80
[   24.229864]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.229887]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.229924]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.229952]  kthread+0x337/0x6f0
[   24.229973]  ? trace_preempt_on+0x20/0xc0
[   24.230000]  ? __pfx_kthread+0x10/0x10
[   24.230022]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.230050]  ? calculate_sigpending+0x7b/0xa0
[   24.230079]  ? __pfx_kthread+0x10/0x10
[   24.230102]  ret_from_fork+0x116/0x1d0
[   24.230122]  ? __pfx_kthread+0x10/0x10
[   24.230146]  ret_from_fork_asm+0x1a/0x30
[   24.230181]  </TASK>
[   24.230194] 
[   24.241406] Allocated by task 263:
[   24.241599]  kasan_save_stack+0x45/0x70
[   24.241819]  kasan_save_track+0x18/0x40
[   24.242125]  kasan_save_alloc_info+0x3b/0x50
[   24.242361]  __kasan_slab_alloc+0x91/0xa0
[   24.242544]  kmem_cache_alloc_noprof+0x123/0x3f0
[   24.242751]  __kmem_cache_create_args+0x169/0x240
[   24.243104]  kmem_cache_double_destroy+0xd5/0x380
[   24.243340]  kunit_try_run_case+0x1a5/0x480
[   24.243524]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.243695]  kthread+0x337/0x6f0
[   24.243870]  ret_from_fork+0x116/0x1d0
[   24.244148]  ret_from_fork_asm+0x1a/0x30
[   24.244349] 
[   24.244431] Freed by task 263:
[   24.244571]  kasan_save_stack+0x45/0x70
[   24.244738]  kasan_save_track+0x18/0x40
[   24.245458]  kasan_save_free_info+0x3f/0x60
[   24.245713]  __kasan_slab_free+0x56/0x70
[   24.246231]  kmem_cache_free+0x249/0x420
[   24.246461]  slab_kmem_cache_release+0x2e/0x40
[   24.246665]  kmem_cache_release+0x16/0x20
[   24.247250]  kobject_put+0x181/0x450
[   24.247465]  sysfs_slab_release+0x16/0x20
[   24.247645]  kmem_cache_destroy+0xf0/0x1d0
[   24.248231]  kmem_cache_double_destroy+0x14e/0x380
[   24.248462]  kunit_try_run_case+0x1a5/0x480
[   24.248650]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.249131]  kthread+0x337/0x6f0
[   24.249313]  ret_from_fork+0x116/0x1d0
[   24.249482]  ret_from_fork_asm+0x1a/0x30
[   24.249655] 
[   24.249739] The buggy address belongs to the object at ffff888101d3ac80
[   24.249739]  which belongs to the cache kmem_cache of size 208
[   24.251138] The buggy address is located 0 bytes inside of
[   24.251138]  freed 208-byte region [ffff888101d3ac80, ffff888101d3ad50)
[   24.252095] 
[   24.252203] The buggy address belongs to the physical page:
[   24.252447] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101d3a
[   24.253100] flags: 0x200000000000000(node=0|zone=2)
[   24.253556] page_type: f5(slab)
[   24.253912] raw: 0200000000000000 ffff888100041000 dead000000000100 dead000000000122
[   24.254258] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   24.254561] page dumped because: kasan: bad access detected
[   24.255183] 
[   24.255291] Memory state around the buggy address:
[   24.255706]  ffff888101d3ab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.256215]  ffff888101d3ac00: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.256527] >ffff888101d3ac80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.256811]                    ^
[   24.257362]  ffff888101d3ad00: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   24.257935]  ffff888101d3ad80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.258463] ==================================================================