[   13.388915] ==================================================================
[   13.389531] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   13.390396] Read of size 1 at addr ffff888101dbdb40 by task kunit_try_catch/232
[   13.390734] 
[   13.390850] CPU: 1 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[   13.390898] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.390909] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.390932] Call Trace:
[   13.390945]  <TASK>
[   13.390963]  dump_stack_lvl+0x73/0xb0
[   13.390996]  print_report+0xd1/0x650
[   13.391018]  ? __virt_addr_valid+0x1db/0x2d0
[   13.391112]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.391139]  ? kasan_complete_mode_report_info+0x64/0x200
[   13.391162]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.391189]  kasan_report+0x141/0x180
[   13.391210]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.391238]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.391264]  __kasan_check_byte+0x3d/0x50
[   13.391286]  kmem_cache_destroy+0x25/0x1d0
[   13.391310]  kmem_cache_double_destroy+0x1bf/0x380
[   13.391335]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   13.391360]  ? finish_task_switch.isra.0+0x153/0x700
[   13.391384]  ? __switch_to+0x47/0xf50
[   13.391412]  ? __pfx_read_tsc+0x10/0x10
[   13.391434]  ? ktime_get_ts64+0x86/0x230
[   13.391459]  kunit_try_run_case+0x1a5/0x480
[   13.391485]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.391507]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.391533]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.391557]  ? __kthread_parkme+0x82/0x180
[   13.391578]  ? preempt_count_sub+0x50/0x80
[   13.391601]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.391625]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.391649]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.391675]  kthread+0x337/0x6f0
[   13.391693]  ? trace_preempt_on+0x20/0xc0
[   13.391730]  ? __pfx_kthread+0x10/0x10
[   13.391750]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.391775]  ? calculate_sigpending+0x7b/0xa0
[   13.391800]  ? __pfx_kthread+0x10/0x10
[   13.391822]  ret_from_fork+0x116/0x1d0
[   13.391841]  ? __pfx_kthread+0x10/0x10
[   13.391862]  ret_from_fork_asm+0x1a/0x30
[   13.391894]  </TASK>
[   13.391905] 
[   13.401481] Allocated by task 232:
[   13.401798]  kasan_save_stack+0x45/0x70
[   13.402215]  kasan_save_track+0x18/0x40
[   13.402413]  kasan_save_alloc_info+0x3b/0x50
[   13.402614]  __kasan_slab_alloc+0x91/0xa0
[   13.402798]  kmem_cache_alloc_noprof+0x123/0x3f0
[   13.403013]  __kmem_cache_create_args+0x169/0x240
[   13.403728]  kmem_cache_double_destroy+0xd5/0x380
[   13.404300]  kunit_try_run_case+0x1a5/0x480
[   13.404583]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.404988]  kthread+0x337/0x6f0
[   13.405407]  ret_from_fork+0x116/0x1d0
[   13.405593]  ret_from_fork_asm+0x1a/0x30
[   13.405789] 
[   13.405875] Freed by task 232:
[   13.406021]  kasan_save_stack+0x45/0x70
[   13.406204]  kasan_save_track+0x18/0x40
[   13.406376]  kasan_save_free_info+0x3f/0x60
[   13.406566]  __kasan_slab_free+0x56/0x70
[   13.406753]  kmem_cache_free+0x249/0x420
[   13.406930]  slab_kmem_cache_release+0x2e/0x40
[   13.407695]  kmem_cache_release+0x16/0x20
[   13.407924]  kobject_put+0x181/0x450
[   13.408519]  sysfs_slab_release+0x16/0x20
[   13.408860]  kmem_cache_destroy+0xf0/0x1d0
[   13.409418]  kmem_cache_double_destroy+0x14e/0x380
[   13.409734]  kunit_try_run_case+0x1a5/0x480
[   13.409935]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.410278]  kthread+0x337/0x6f0
[   13.410443]  ret_from_fork+0x116/0x1d0
[   13.410615]  ret_from_fork_asm+0x1a/0x30
[   13.410807] 
[   13.410898] The buggy address belongs to the object at ffff888101dbdb40
[   13.410898]  which belongs to the cache kmem_cache of size 208
[   13.411537] The buggy address is located 0 bytes inside of
[   13.411537]  freed 208-byte region [ffff888101dbdb40, ffff888101dbdc10)
[   13.412560] 
[   13.412664] The buggy address belongs to the physical page:
[   13.413381] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101dbd
[   13.413865] flags: 0x200000000000000(node=0|zone=2)
[   13.414392] page_type: f5(slab)
[   13.414697] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   13.415318] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   13.415613] page dumped because: kasan: bad access detected
[   13.415858] 
[   13.415947] Memory state around the buggy address:
[   13.416226]  ffff888101dbda00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.416524]  ffff888101dbda80: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   13.416820] >ffff888101dbdb00: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   13.417212]                                            ^
[   13.417442]  ffff888101dbdb80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.417742]  ffff888101dbdc00: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.418554] ==================================================================