[   13.403542] ==================================================================
[   13.403998] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   13.404680] Read of size 1 at addr ffff888101b6ab40 by task kunit_try_catch/232
[   13.405062] 
[   13.405187] CPU: 1 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   13.405238] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.405250] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.405274] Call Trace:
[   13.405287]  <TASK>
[   13.405305]  dump_stack_lvl+0x73/0xb0
[   13.405339]  print_report+0xd1/0x610
[   13.405446]  ? __virt_addr_valid+0x1db/0x2d0
[   13.405622]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.405651]  ? kasan_complete_mode_report_info+0x64/0x200
[   13.405676]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.405703]  kasan_report+0x141/0x180
[   13.405726]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.405767]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.405794]  __kasan_check_byte+0x3d/0x50
[   13.405817]  kmem_cache_destroy+0x25/0x1d0
[   13.405842]  kmem_cache_double_destroy+0x1bf/0x380
[   13.405869]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   13.405895]  ? finish_task_switch.isra.0+0x153/0x700
[   13.405921]  ? __switch_to+0x47/0xf50
[   13.405951]  ? __pfx_read_tsc+0x10/0x10
[   13.405991]  ? ktime_get_ts64+0x86/0x230
[   13.406017]  kunit_try_run_case+0x1a5/0x480
[   13.406045]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.406069]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.406096]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.406121]  ? __kthread_parkme+0x82/0x180
[   13.406143]  ? preempt_count_sub+0x50/0x80
[   13.406167]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.406192]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.406217]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.406243]  kthread+0x337/0x6f0
[   13.406263]  ? trace_preempt_on+0x20/0xc0
[   13.406288]  ? __pfx_kthread+0x10/0x10
[   13.406309]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.406331]  ? calculate_sigpending+0x7b/0xa0
[   13.406357]  ? __pfx_kthread+0x10/0x10
[   13.406379]  ret_from_fork+0x116/0x1d0
[   13.406399]  ? __pfx_kthread+0x10/0x10
[   13.406420]  ret_from_fork_asm+0x1a/0x30
[   13.406465]  </TASK>
[   13.406477] 
[   13.417317] Allocated by task 232:
[   13.417558]  kasan_save_stack+0x45/0x70
[   13.417717]  kasan_save_track+0x18/0x40
[   13.418002]  kasan_save_alloc_info+0x3b/0x50
[   13.418354]  __kasan_slab_alloc+0x91/0xa0
[   13.418532]  kmem_cache_alloc_noprof+0x123/0x3f0
[   13.418712]  __kmem_cache_create_args+0x169/0x240
[   13.419085]  kmem_cache_double_destroy+0xd5/0x380
[   13.419423]  kunit_try_run_case+0x1a5/0x480
[   13.419616]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.419881]  kthread+0x337/0x6f0
[   13.420184]  ret_from_fork+0x116/0x1d0
[   13.420348]  ret_from_fork_asm+0x1a/0x30
[   13.420680] 
[   13.420835] Freed by task 232:
[   13.421179]  kasan_save_stack+0x45/0x70
[   13.421380]  kasan_save_track+0x18/0x40
[   13.421788]  kasan_save_free_info+0x3f/0x60
[   13.421984]  __kasan_slab_free+0x56/0x70
[   13.422243]  kmem_cache_free+0x249/0x420
[   13.422551]  slab_kmem_cache_release+0x2e/0x40
[   13.422787]  kmem_cache_release+0x16/0x20
[   13.423038]  kobject_put+0x181/0x450
[   13.423252]  sysfs_slab_release+0x16/0x20
[   13.423612]  kmem_cache_destroy+0xf0/0x1d0
[   13.423844]  kmem_cache_double_destroy+0x14e/0x380
[   13.424079]  kunit_try_run_case+0x1a5/0x480
[   13.424268]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.424528]  kthread+0x337/0x6f0
[   13.424865]  ret_from_fork+0x116/0x1d0
[   13.425006]  ret_from_fork_asm+0x1a/0x30
[   13.425704] 
[   13.425824] The buggy address belongs to the object at ffff888101b6ab40
[   13.425824]  which belongs to the cache kmem_cache of size 208
[   13.426631] The buggy address is located 0 bytes inside of
[   13.426631]  freed 208-byte region [ffff888101b6ab40, ffff888101b6ac10)
[   13.427512] 
[   13.427738] The buggy address belongs to the physical page:
[   13.427987] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101b6a
[   13.428721] flags: 0x200000000000000(node=0|zone=2)
[   13.429320] page_type: f5(slab)
[   13.429772] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   13.430138] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   13.430684] page dumped because: kasan: bad access detected
[   13.431019] 
[   13.431324] Memory state around the buggy address:
[   13.431802]  ffff888101b6aa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.432343]  ffff888101b6aa80: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   13.432690] >ffff888101b6ab00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   13.433342]                                            ^
[   13.433786]  ffff888101b6ab80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.434262]  ffff888101b6ac00: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.434730] ==================================================================