[   13.550215] ==================================================================
[   13.551422] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   13.552101] Read of size 1 at addr ffff8881027b7140 by task kunit_try_catch/232
[   13.552338] 
[   13.552915] CPU: 0 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[   13.552964] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.552977] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.552998] Call Trace:
[   13.553012]  <TASK>
[   13.553166]  dump_stack_lvl+0x73/0xb0
[   13.553203]  print_report+0xd1/0x650
[   13.553227]  ? __virt_addr_valid+0x1db/0x2d0
[   13.553252]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.553277]  ? kasan_complete_mode_report_info+0x64/0x200
[   13.553300]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.553326]  kasan_report+0x141/0x180
[   13.553382]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.553413]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.553440]  __kasan_check_byte+0x3d/0x50
[   13.553461]  kmem_cache_destroy+0x25/0x1d0
[   13.553486]  kmem_cache_double_destroy+0x1bf/0x380
[   13.553512]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   13.553537]  ? finish_task_switch.isra.0+0x153/0x700
[   13.553561]  ? __switch_to+0x47/0xf50
[   13.553590]  ? __pfx_read_tsc+0x10/0x10
[   13.553613]  ? ktime_get_ts64+0x86/0x230
[   13.553637]  kunit_try_run_case+0x1a5/0x480
[   13.553664]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.553687]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.553712]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.553736]  ? __kthread_parkme+0x82/0x180
[   13.553757]  ? preempt_count_sub+0x50/0x80
[   13.553780]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.553805]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.553829]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.553855]  kthread+0x337/0x6f0
[   13.553874]  ? trace_preempt_on+0x20/0xc0
[   13.553898]  ? __pfx_kthread+0x10/0x10
[   13.553918]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.553940]  ? calculate_sigpending+0x7b/0xa0
[   13.553965]  ? __pfx_kthread+0x10/0x10
[   13.553986]  ret_from_fork+0x116/0x1d0
[   13.554004]  ? __pfx_kthread+0x10/0x10
[   13.554025]  ret_from_fork_asm+0x1a/0x30
[   13.554056]  </TASK>
[   13.554067] 
[   13.569599] Allocated by task 232:
[   13.570072]  kasan_save_stack+0x45/0x70
[   13.570329]  kasan_save_track+0x18/0x40
[   13.570781]  kasan_save_alloc_info+0x3b/0x50
[   13.571158]  __kasan_slab_alloc+0x91/0xa0
[   13.571577]  kmem_cache_alloc_noprof+0x123/0x3f0
[   13.571800]  __kmem_cache_create_args+0x169/0x240
[   13.572015]  kmem_cache_double_destroy+0xd5/0x380
[   13.572236]  kunit_try_run_case+0x1a5/0x480
[   13.572443]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.572662]  kthread+0x337/0x6f0
[   13.572815]  ret_from_fork+0x116/0x1d0
[   13.572986]  ret_from_fork_asm+0x1a/0x30
[   13.573166] 
[   13.573254] Freed by task 232:
[   13.573454]  kasan_save_stack+0x45/0x70
[   13.573597]  kasan_save_track+0x18/0x40
[   13.573733]  kasan_save_free_info+0x3f/0x60
[   13.573909]  __kasan_slab_free+0x56/0x70
[   13.574105]  kmem_cache_free+0x249/0x420
[   13.574300]  slab_kmem_cache_release+0x2e/0x40
[   13.574511]  kmem_cache_release+0x16/0x20
[   13.574693]  kobject_put+0x181/0x450
[   13.574857]  sysfs_slab_release+0x16/0x20
[   13.575038]  kmem_cache_destroy+0xf0/0x1d0
[   13.575198]  kmem_cache_double_destroy+0x14e/0x380
[   13.575370]  kunit_try_run_case+0x1a5/0x480
[   13.575516]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.575690]  kthread+0x337/0x6f0
[   13.575808]  ret_from_fork+0x116/0x1d0
[   13.575971]  ret_from_fork_asm+0x1a/0x30
[   13.576455] 
[   13.576572] The buggy address belongs to the object at ffff8881027b7140
[   13.576572]  which belongs to the cache kmem_cache of size 208
[   13.577302] The buggy address is located 0 bytes inside of
[   13.577302]  freed 208-byte region [ffff8881027b7140, ffff8881027b7210)
[   13.577910] 
[   13.578014] The buggy address belongs to the physical page:
[   13.578250] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1027b7
[   13.578653] flags: 0x200000000000000(node=0|zone=2)
[   13.578835] page_type: f5(slab)
[   13.578959] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   13.579188] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   13.579536] page dumped because: kasan: bad access detected
[   13.579794] 
[   13.579889] Memory state around the buggy address:
[   13.580296]  ffff8881027b7000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.580738]  ffff8881027b7080: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   13.581019] >ffff8881027b7100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   13.581245]                                            ^
[   13.581502]  ffff8881027b7180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.581826]  ffff8881027b7200: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.582113] ==================================================================