[   12.287696] ==================================================================
[   12.288195] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   12.288971] Read of size 1 at addr ffff8881010b2dc0 by task kunit_try_catch/232
[   12.289771] 
[   12.289904] CPU: 1 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT(voluntary) 
[   12.289951] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.289964] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.289987] Call Trace:
[   12.289999]  <TASK>
[   12.290016]  dump_stack_lvl+0x73/0xb0
[   12.290059]  print_report+0xd1/0x650
[   12.290082]  ? __virt_addr_valid+0x1db/0x2d0
[   12.290106]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.290130]  ? kasan_complete_mode_report_info+0x64/0x200
[   12.290151]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.290175]  kasan_report+0x141/0x180
[   12.290197]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.290223]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.290246]  __kasan_check_byte+0x3d/0x50
[   12.290268]  kmem_cache_destroy+0x25/0x1d0
[   12.290291]  kmem_cache_double_destroy+0x1bf/0x380
[   12.290316]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   12.290340]  ? finish_task_switch.isra.0+0x153/0x700
[   12.290363]  ? __switch_to+0x47/0xf50
[   12.290392]  ? __pfx_read_tsc+0x10/0x10
[   12.290412]  ? ktime_get_ts64+0x86/0x230
[   12.290436]  kunit_try_run_case+0x1a5/0x480
[   12.290460]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.290482]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.290504]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.290526]  ? __kthread_parkme+0x82/0x180
[   12.290546]  ? preempt_count_sub+0x50/0x80
[   12.290568]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.290590]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.290611]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.290634]  kthread+0x337/0x6f0
[   12.290651]  ? trace_preempt_on+0x20/0xc0
[   12.290674]  ? __pfx_kthread+0x10/0x10
[   12.290694]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.290714]  ? calculate_sigpending+0x7b/0xa0
[   12.290738]  ? __pfx_kthread+0x10/0x10
[   12.290758]  ret_from_fork+0x116/0x1d0
[   12.290775]  ? __pfx_kthread+0x10/0x10
[   12.290794]  ret_from_fork_asm+0x1a/0x30
[   12.290823]  </TASK>
[   12.290835] 
[   12.306797] Allocated by task 232:
[   12.307175]  kasan_save_stack+0x45/0x70
[   12.307607]  kasan_save_track+0x18/0x40
[   12.307788]  kasan_save_alloc_info+0x3b/0x50
[   12.308286]  __kasan_slab_alloc+0x91/0xa0
[   12.308729]  kmem_cache_alloc_noprof+0x123/0x3f0
[   12.309235]  __kmem_cache_create_args+0x169/0x240
[   12.309482]  kmem_cache_double_destroy+0xd5/0x380
[   12.309799]  kunit_try_run_case+0x1a5/0x480
[   12.310160]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.310611]  kthread+0x337/0x6f0
[   12.310794]  ret_from_fork+0x116/0x1d0
[   12.311205]  ret_from_fork_asm+0x1a/0x30
[   12.311559] 
[   12.311660] Freed by task 232:
[   12.311999]  kasan_save_stack+0x45/0x70
[   12.312447]  kasan_save_track+0x18/0x40
[   12.312956]  kasan_save_free_info+0x3f/0x60
[   12.313398]  __kasan_slab_free+0x56/0x70
[   12.313830]  kmem_cache_free+0x249/0x420
[   12.314100]  slab_kmem_cache_release+0x2e/0x40
[   12.314578]  kmem_cache_release+0x16/0x20
[   12.314736]  kobject_put+0x181/0x450
[   12.314871]  sysfs_slab_release+0x16/0x20
[   12.315013]  kmem_cache_destroy+0xf0/0x1d0
[   12.315195]  kmem_cache_double_destroy+0x14e/0x380
[   12.315455]  kunit_try_run_case+0x1a5/0x480
[   12.315801]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.316380]  kthread+0x337/0x6f0
[   12.316571]  ret_from_fork+0x116/0x1d0
[   12.316705]  ret_from_fork_asm+0x1a/0x30
[   12.316842] 
[   12.316914] The buggy address belongs to the object at ffff8881010b2dc0
[   12.316914]  which belongs to the cache kmem_cache of size 208
[   12.317342] The buggy address is located 0 bytes inside of
[   12.317342]  freed 208-byte region [ffff8881010b2dc0, ffff8881010b2e90)
[   12.317806] 
[   12.317905] The buggy address belongs to the physical page:
[   12.318332] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1010b2
[   12.318672] flags: 0x200000000000000(node=0|zone=2)
[   12.318906] page_type: f5(slab)
[   12.319140] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   12.319494] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   12.319839] page dumped because: kasan: bad access detected
[   12.320035] 
[   12.320127] Memory state around the buggy address:
[   12.320411]  ffff8881010b2c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.320653]  ffff8881010b2d00: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   12.321053] >ffff8881010b2d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   12.321483]                                            ^
[   12.321719]  ffff8881010b2e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.322042]  ffff8881010b2e80: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.322388] ==================================================================