[   13.156006] ==================================================================
[   13.156431] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   13.157181] Read of size 1 at addr ffff8881015ac780 by task kunit_try_catch/232
[   13.158053] 
[   13.158183] CPU: 0 UID: 0 PID: 232 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT(voluntary) 
[   13.158229] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.158241] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.158263] Call Trace:
[   13.158275]  <TASK>
[   13.158292]  dump_stack_lvl+0x73/0xb0
[   13.158324]  print_report+0xd1/0x610
[   13.158345]  ? __virt_addr_valid+0x1db/0x2d0
[   13.158370]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.158393]  ? kasan_complete_mode_report_info+0x64/0x200
[   13.158414]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.158437]  kasan_report+0x141/0x180
[   13.158459]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.158485]  ? kmem_cache_double_destroy+0x1bf/0x380
[   13.158508]  __kasan_check_byte+0x3d/0x50
[   13.158529]  kmem_cache_destroy+0x25/0x1d0
[   13.158550]  kmem_cache_double_destroy+0x1bf/0x380
[   13.158573]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   13.158596]  ? finish_task_switch.isra.0+0x153/0x700
[   13.158618]  ? __switch_to+0x47/0xf50
[   13.158646]  ? __pfx_read_tsc+0x10/0x10
[   13.158665]  ? ktime_get_ts64+0x86/0x230
[   13.158797]  kunit_try_run_case+0x1a5/0x480
[   13.158949]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.158972]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.158997]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.159019]  ? __kthread_parkme+0x82/0x180
[   13.159041]  ? preempt_count_sub+0x50/0x80
[   13.159066]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.159088]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.159110]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.159132]  kthread+0x337/0x6f0
[   13.159151]  ? trace_preempt_on+0x20/0xc0
[   13.159173]  ? __pfx_kthread+0x10/0x10
[   13.159193]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.159213]  ? calculate_sigpending+0x7b/0xa0
[   13.159237]  ? __pfx_kthread+0x10/0x10
[   13.159257]  ret_from_fork+0x116/0x1d0
[   13.159275]  ? __pfx_kthread+0x10/0x10
[   13.159295]  ret_from_fork_asm+0x1a/0x30
[   13.159325]  </TASK>
[   13.159336] 
[   13.170343] Allocated by task 232:
[   13.170481]  kasan_save_stack+0x45/0x70
[   13.170685]  kasan_save_track+0x18/0x40
[   13.170883]  kasan_save_alloc_info+0x3b/0x50
[   13.171110]  __kasan_slab_alloc+0x91/0xa0
[   13.171292]  kmem_cache_alloc_noprof+0x123/0x3f0
[   13.171515]  __kmem_cache_create_args+0x169/0x240
[   13.171950]  kmem_cache_double_destroy+0xd5/0x380
[   13.172163]  kunit_try_run_case+0x1a5/0x480
[   13.172319]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.172571]  kthread+0x337/0x6f0
[   13.172791]  ret_from_fork+0x116/0x1d0
[   13.172939]  ret_from_fork_asm+0x1a/0x30
[   13.173077] 
[   13.173145] Freed by task 232:
[   13.173255]  kasan_save_stack+0x45/0x70
[   13.173535]  kasan_save_track+0x18/0x40
[   13.173732]  kasan_save_free_info+0x3f/0x60
[   13.173947]  __kasan_slab_free+0x56/0x70
[   13.174140]  kmem_cache_free+0x249/0x420
[   13.174356]  slab_kmem_cache_release+0x2e/0x40
[   13.174582]  kmem_cache_release+0x16/0x20
[   13.174772]  kobject_put+0x181/0x450
[   13.174904]  sysfs_slab_release+0x16/0x20
[   13.175061]  kmem_cache_destroy+0xf0/0x1d0
[   13.175570]  kmem_cache_double_destroy+0x14e/0x380
[   13.176237]  kunit_try_run_case+0x1a5/0x480
[   13.176610]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.177125]  kthread+0x337/0x6f0
[   13.177269]  ret_from_fork+0x116/0x1d0
[   13.177631]  ret_from_fork_asm+0x1a/0x30
[   13.178040] 
[   13.178132] The buggy address belongs to the object at ffff8881015ac780
[   13.178132]  which belongs to the cache kmem_cache of size 208
[   13.178639] The buggy address is located 0 bytes inside of
[   13.178639]  freed 208-byte region [ffff8881015ac780, ffff8881015ac850)
[   13.179721] 
[   13.179825] The buggy address belongs to the physical page:
[   13.180076] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1015ac
[   13.180466] flags: 0x200000000000000(node=0|zone=2)
[   13.180699] page_type: f5(slab)
[   13.180859] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   13.181192] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   13.181553] page dumped because: kasan: bad access detected
[   13.182477] 
[   13.182563] Memory state around the buggy address:
[   13.182775]  ffff8881015ac680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.183095]  ffff8881015ac700: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.183961] >ffff8881015ac780: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   13.184461]                    ^
[   13.184792]  ffff8881015ac800: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   13.185279]  ffff8881015ac880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.186140] ==================================================================