[   12.324800] ==================================================================
[   12.325589] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   12.326146] Read of size 1 at addr ffff888101a703c0 by task kunit_try_catch/235
[   12.326522] 
[   12.326617] CPU: 0 UID: 0 PID: 235 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   12.326664] Tainted: [B]=BAD_PAGE, [N]=TEST
[   12.326676] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   12.326698] Call Trace:
[   12.326876]  <TASK>
[   12.326895]  dump_stack_lvl+0x73/0xb0
[   12.326927]  print_report+0xd1/0x650
[   12.326949]  ? __virt_addr_valid+0x1db/0x2d0
[   12.326973]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.326993]  ? kasan_complete_mode_report_info+0x64/0x200
[   12.327015]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.327037]  kasan_report+0x141/0x180
[   12.327061]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.327085]  ? kmem_cache_double_destroy+0x1bf/0x380
[   12.327106]  __kasan_check_byte+0x3d/0x50
[   12.327139]  kmem_cache_destroy+0x25/0x1d0
[   12.327164]  kmem_cache_double_destroy+0x1bf/0x380
[   12.327185]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   12.327205]  ? finish_task_switch.isra.0+0x153/0x700
[   12.327229]  ? __switch_to+0x5d9/0xf60
[   12.327250]  ? dequeue_task_fair+0x166/0x4e0
[   12.327278]  ? __pfx_read_tsc+0x10/0x10
[   12.327298]  ? ktime_get_ts64+0x86/0x230
[   12.327339]  kunit_try_run_case+0x1a5/0x480
[   12.327365]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.327386]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   12.327411]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   12.327490]  ? __kthread_parkme+0x82/0x180
[   12.327513]  ? preempt_count_sub+0x50/0x80
[   12.327536]  ? __pfx_kunit_try_run_case+0x10/0x10
[   12.327560]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.327582]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   12.327606]  kthread+0x337/0x6f0
[   12.327626]  ? trace_preempt_on+0x20/0xc0
[   12.327650]  ? __pfx_kthread+0x10/0x10
[   12.327672]  ? _raw_spin_unlock_irq+0x47/0x80
[   12.327694]  ? calculate_sigpending+0x7b/0xa0
[   12.327715]  ? __pfx_kthread+0x10/0x10
[   12.327736]  ret_from_fork+0x41/0x80
[   12.327757]  ? __pfx_kthread+0x10/0x10
[   12.327778]  ret_from_fork_asm+0x1a/0x30
[   12.327810]  </TASK>
[   12.327821] 
[   12.341703] Allocated by task 235:
[   12.341892]  kasan_save_stack+0x45/0x70
[   12.342039]  kasan_save_track+0x18/0x40
[   12.342180]  kasan_save_alloc_info+0x3b/0x50
[   12.342331]  __kasan_slab_alloc+0x91/0xa0
[   12.342467]  kmem_cache_alloc_noprof+0x123/0x3f0
[   12.342617]  __kmem_cache_create_args+0x169/0x240
[   12.342768]  kmem_cache_double_destroy+0xd5/0x380
[   12.343534]  kunit_try_run_case+0x1a5/0x480
[   12.343702]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.345161]  kthread+0x337/0x6f0
[   12.345625]  ret_from_fork+0x41/0x80
[   12.346529]  ret_from_fork_asm+0x1a/0x30
[   12.347269] 
[   12.347940] Freed by task 235:
[   12.348701]  kasan_save_stack+0x45/0x70
[   12.349293]  kasan_save_track+0x18/0x40
[   12.349988]  kasan_save_free_info+0x3f/0x60
[   12.350313]  __kasan_slab_free+0x56/0x70
[   12.350579]  kmem_cache_free+0x249/0x420
[   12.350714]  slab_kmem_cache_release+0x2e/0x40
[   12.350860]  kmem_cache_release+0x16/0x20
[   12.350999]  kobject_put+0x181/0x450
[   12.351470]  sysfs_slab_release+0x16/0x20
[   12.352058]  kmem_cache_destroy+0xf0/0x1d0
[   12.352711]  kmem_cache_double_destroy+0x14e/0x380
[   12.353409]  kunit_try_run_case+0x1a5/0x480
[   12.353961]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   12.354984]  kthread+0x337/0x6f0
[   12.355482]  ret_from_fork+0x41/0x80
[   12.355999]  ret_from_fork_asm+0x1a/0x30
[   12.356554] 
[   12.356910] The buggy address belongs to the object at ffff888101a703c0
[   12.356910]  which belongs to the cache kmem_cache of size 208
[   12.358254] The buggy address is located 0 bytes inside of
[   12.358254]  freed 208-byte region [ffff888101a703c0, ffff888101a70490)
[   12.359563] 
[   12.359947] The buggy address belongs to the physical page:
[   12.360640] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101a70
[   12.361542] flags: 0x200000000000000(node=0|zone=2)
[   12.361981] page_type: f5(slab)
[   12.362116] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   12.362386] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   12.363247] page dumped because: kasan: bad access detected
[   12.364001] 
[   12.364162] Memory state around the buggy address:
[   12.364694]  ffff888101a70280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.365360]  ffff888101a70300: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   12.365828] >ffff888101a70380: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   12.366044]                                            ^
[   12.366245]  ffff888101a70400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   12.367187]  ffff888101a70480: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   12.367968] ==================================================================

[   22.407891] ==================================================================
[   22.408958] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x174/0x300
[   22.409696] Read of size 1 at addr ffff00000b416140 by task kunit_try_catch/269
[   22.410377] 
[   22.410542] CPU: 1 UID: 0 PID: 269 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   22.410592] Tainted: [B]=BAD_PAGE, [N]=TEST
[   22.410606] Hardware name: Radxa ROCK Pi 4B (DT)
[   22.410624] Call trace:
[   22.410636]  show_stack+0x20/0x38 (C)
[   22.410669]  dump_stack_lvl+0x8c/0xd0
[   22.410701]  print_report+0x118/0x608
[   22.410732]  kasan_report+0xdc/0x128
[   22.410760]  __kasan_check_byte+0x54/0x70
[   22.410789]  kmem_cache_destroy+0x34/0x218
[   22.410819]  kmem_cache_double_destroy+0x174/0x300
[   22.410856]  kunit_try_run_case+0x170/0x3f0
[   22.410891]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.410930]  kthread+0x328/0x630
[   22.410965]  ret_from_fork+0x10/0x20
[   22.410998] 
[   22.416928] Allocated by task 269:
[   22.417253]  kasan_save_stack+0x3c/0x68
[   22.417628]  kasan_save_track+0x20/0x40
[   22.418000]  kasan_save_alloc_info+0x40/0x58
[   22.418412]  __kasan_slab_alloc+0xa8/0xb0
[   22.418800]  kmem_cache_alloc_noprof+0x10c/0x3a0
[   22.419243]  __kmem_cache_create_args+0x178/0x280
[   22.419699]  kmem_cache_double_destroy+0xc0/0x300
[   22.420154]  kunit_try_run_case+0x170/0x3f0
[   22.420561]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.421085]  kthread+0x328/0x630
[   22.421408]  ret_from_fork+0x10/0x20
[   22.421758] 
[   22.421912] Freed by task 269:
[   22.422205]  kasan_save_stack+0x3c/0x68
[   22.422577]  kasan_save_track+0x20/0x40
[   22.422949]  kasan_save_free_info+0x4c/0x78
[   22.423354]  __kasan_slab_free+0x6c/0x98
[   22.423735]  kmem_cache_free+0x260/0x470
[   22.424115]  slab_kmem_cache_release+0x38/0x50
[   22.424539]  kmem_cache_release+0x1c/0x30
[   22.424934]  kobject_put+0x17c/0x430
[   22.425286]  sysfs_slab_release+0x1c/0x30
[   22.425674]  kmem_cache_destroy+0x118/0x218
[   22.426075]  kmem_cache_double_destroy+0x128/0x300
[   22.426539]  kunit_try_run_case+0x170/0x3f0
[   22.426945]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   22.427468]  kthread+0x328/0x630
[   22.427790]  ret_from_fork+0x10/0x20
[   22.428140] 
[   22.428293] The buggy address belongs to the object at ffff00000b416140
[   22.428293]  which belongs to the cache kmem_cache of size 208
[   22.429419] The buggy address is located 0 bytes inside of
[   22.429419]  freed 208-byte region [ffff00000b416140, ffff00000b416210)
[   22.430515] 
[   22.430669] The buggy address belongs to the physical page:
[   22.431185] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xb416
[   22.431910] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   22.432615] flags: 0x3fffe0000000040(head|node=0|zone=0|lastcpupid=0x1ffff)
[   22.433268] page_type: f5(slab)
[   22.433580] raw: 03fffe0000000040 ffff000000402000 dead000000000122 0000000000000000
[   22.434296] raw: 0000000000000000 0000000080190019 00000000f5000000 0000000000000000
[   22.435012] head: 03fffe0000000040 ffff000000402000 dead000000000122 0000000000000000
[   22.435735] head: 0000000000000000 0000000080190019 00000000f5000000 0000000000000000
[   22.436458] head: 03fffe0000000001 fffffdffc02d0581 00000000ffffffff 00000000ffffffff
[   22.437182] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   22.437897] page dumped because: kasan: bad access detected
[   22.438412] 
[   22.438564] Memory state around the buggy address:
[   22.439011]  ffff00000b416000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   22.439678]  ffff00000b416080: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   22.440344] >ffff00000b416100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   22.441005]                                            ^
[   22.441499]  ffff00000b416180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   22.442165]  ffff00000b416200: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   22.442828] ==================================================================