[   25.944135] ==================================================================
[   25.945199] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   25.945967] Read of size 1 at addr ffff888101ab33c0 by task kunit_try_catch/263
[   25.946386] 
[   25.946480] CPU: 0 UID: 0 PID: 263 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5-next-20250710 #1 PREEMPT(voluntary) 
[   25.946548] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.946561] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.946585] Call Trace:
[   25.946599]  <TASK>
[   25.946621]  dump_stack_lvl+0x73/0xb0
[   25.946660]  print_report+0xd1/0x610
[   25.946684]  ? __virt_addr_valid+0x1db/0x2d0
[   25.946723]  ? kmem_cache_double_destroy+0x1bf/0x380
[   25.946748]  ? kasan_complete_mode_report_info+0x64/0x200
[   25.946774]  ? kmem_cache_double_destroy+0x1bf/0x380
[   25.946798]  kasan_report+0x141/0x180
[   25.946821]  ? kmem_cache_double_destroy+0x1bf/0x380
[   25.946847]  ? kmem_cache_double_destroy+0x1bf/0x380
[   25.946872]  __kasan_check_byte+0x3d/0x50
[   25.946893]  kmem_cache_destroy+0x25/0x1d0
[   25.946921]  kmem_cache_double_destroy+0x1bf/0x380
[   25.946945]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   25.946969]  ? finish_task_switch.isra.0+0x153/0x700
[   25.947074]  ? __switch_to+0x47/0xf80
[   25.947111]  ? __pfx_read_tsc+0x10/0x10
[   25.947133]  ? ktime_get_ts64+0x86/0x230
[   25.947160]  kunit_try_run_case+0x1a5/0x480
[   25.947185]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.947207]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.947232]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.947256]  ? __kthread_parkme+0x82/0x180
[   25.947277]  ? preempt_count_sub+0x50/0x80
[   25.947300]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.947322]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.947347]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.947372]  kthread+0x337/0x6f0
[   25.947392]  ? trace_preempt_on+0x20/0xc0
[   25.947417]  ? __pfx_kthread+0x10/0x10
[   25.947437]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.947459]  ? calculate_sigpending+0x7b/0xa0
[   25.947484]  ? __pfx_kthread+0x10/0x10
[   25.947519]  ret_from_fork+0x116/0x1d0
[   25.947539]  ? __pfx_kthread+0x10/0x10
[   25.947559]  ret_from_fork_asm+0x1a/0x30
[   25.947591]  </TASK>
[   25.947604] 
[   25.961049] Allocated by task 263:
[   25.961361]  kasan_save_stack+0x45/0x70
[   25.961529]  kasan_save_track+0x18/0x40
[   25.961901]  kasan_save_alloc_info+0x3b/0x50
[   25.962157]  __kasan_slab_alloc+0x91/0xa0
[   25.962302]  kmem_cache_alloc_noprof+0x123/0x3f0
[   25.962460]  __kmem_cache_create_args+0x169/0x240
[   25.963096]  kmem_cache_double_destroy+0xd5/0x380
[   25.963578]  kunit_try_run_case+0x1a5/0x480
[   25.964026]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.964628]  kthread+0x337/0x6f0
[   25.964824]  ret_from_fork+0x116/0x1d0
[   25.965188]  ret_from_fork_asm+0x1a/0x30
[   25.965569] 
[   25.965735] Freed by task 263:
[   25.965956]  kasan_save_stack+0x45/0x70
[   25.966294]  kasan_save_track+0x18/0x40
[   25.966430]  kasan_save_free_info+0x3f/0x60
[   25.966762]  __kasan_slab_free+0x56/0x70
[   25.967193]  kmem_cache_free+0x249/0x420
[   25.967565]  slab_kmem_cache_release+0x2e/0x40
[   25.968082]  kmem_cache_release+0x16/0x20
[   25.968237]  kobject_put+0x181/0x450
[   25.968365]  sysfs_slab_release+0x16/0x20
[   25.968573]  kmem_cache_destroy+0xf0/0x1d0
[   25.969030]  kmem_cache_double_destroy+0x14e/0x380
[   25.969528]  kunit_try_run_case+0x1a5/0x480
[   25.970025]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.970525]  kthread+0x337/0x6f0
[   25.970765]  ret_from_fork+0x116/0x1d0
[   25.971140]  ret_from_fork_asm+0x1a/0x30
[   25.971279] 
[   25.971347] The buggy address belongs to the object at ffff888101ab33c0
[   25.971347]  which belongs to the cache kmem_cache of size 208
[   25.972198] The buggy address is located 0 bytes inside of
[   25.972198]  freed 208-byte region [ffff888101ab33c0, ffff888101ab3490)
[   25.973325] 
[   25.973499] The buggy address belongs to the physical page:
[   25.974050] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101ab3
[   25.974545] flags: 0x200000000000000(node=0|zone=2)
[   25.974727] page_type: f5(slab)
[   25.975008] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   25.975675] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   25.976394] page dumped because: kasan: bad access detected
[   25.976605] 
[   25.976771] Memory state around the buggy address:
[   25.977269]  ffff888101ab3280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.978005]  ffff888101ab3300: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   25.978280] >ffff888101ab3380: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   25.978505]                                            ^
[   25.979065]  ffff888101ab3400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.979710]  ffff888101ab3480: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.980390] ==================================================================