[   24.932168] ==================================================================
[   24.933861] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bf/0x380
[   24.934159] Read of size 1 at addr ffff8881017ada00 by task kunit_try_catch/265
[   24.934490] 
[   24.934585] CPU: 1 UID: 0 PID: 265 Comm: kunit_try_catch Tainted: G    B   W        N  6.16.0-rc5-next-20250709 #1 PREEMPT(voluntary) 
[   24.934647] Tainted: [B]=BAD_PAGE, [W]=WARN, [N]=TEST
[   24.934662] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.934688] Call Trace:
[   24.934715]  <TASK>
[   24.934738]  dump_stack_lvl+0x73/0xb0
[   24.934774]  print_report+0xd1/0x610
[   24.935124]  ? __virt_addr_valid+0x1db/0x2d0
[   24.935165]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.935191]  ? kasan_complete_mode_report_info+0x64/0x200
[   24.935220]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.935244]  kasan_report+0x141/0x180
[   24.935268]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.935296]  ? kmem_cache_double_destroy+0x1bf/0x380
[   24.935321]  __kasan_check_byte+0x3d/0x50
[   24.935343]  kmem_cache_destroy+0x25/0x1d0
[   24.935370]  kmem_cache_double_destroy+0x1bf/0x380
[   24.935395]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   24.935420]  ? finish_task_switch.isra.0+0x153/0x700
[   24.935444]  ? __switch_to+0x47/0xf80
[   24.935474]  ? __pfx_read_tsc+0x10/0x10
[   24.935496]  ? ktime_get_ts64+0x86/0x230
[   24.935523]  kunit_try_run_case+0x1a5/0x480
[   24.935547]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.935569]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.935596]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.935620]  ? __kthread_parkme+0x82/0x180
[   24.935642]  ? preempt_count_sub+0x50/0x80
[   24.935665]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.935688]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.935729]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.935755]  kthread+0x337/0x6f0
[   24.935784]  ? trace_preempt_on+0x20/0xc0
[   24.935810]  ? __pfx_kthread+0x10/0x10
[   24.935835]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.935858]  ? calculate_sigpending+0x7b/0xa0
[   24.935883]  ? __pfx_kthread+0x10/0x10
[   24.936001]  ret_from_fork+0x116/0x1d0
[   24.936023]  ? __pfx_kthread+0x10/0x10
[   24.936043]  ret_from_fork_asm+0x1a/0x30
[   24.936076]  </TASK>
[   24.936089] 
[   24.947742] Allocated by task 265:
[   24.948349]  kasan_save_stack+0x45/0x70
[   24.948520]  kasan_save_track+0x18/0x40
[   24.948909]  kasan_save_alloc_info+0x3b/0x50
[   24.949270]  __kasan_slab_alloc+0x91/0xa0
[   24.949606]  kmem_cache_alloc_noprof+0x123/0x3f0
[   24.949794]  __kmem_cache_create_args+0x169/0x240
[   24.949949]  kmem_cache_double_destroy+0xd5/0x380
[   24.950099]  kunit_try_run_case+0x1a5/0x480
[   24.950234]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.950397]  kthread+0x337/0x6f0
[   24.950595]  ret_from_fork+0x116/0x1d0
[   24.951267]  ret_from_fork_asm+0x1a/0x30
[   24.951458] 
[   24.951538] Freed by task 265:
[   24.951672]  kasan_save_stack+0x45/0x70
[   24.952484]  kasan_save_track+0x18/0x40
[   24.952638]  kasan_save_free_info+0x3f/0x60
[   24.952806]  __kasan_slab_free+0x56/0x70
[   24.952940]  kmem_cache_free+0x249/0x420
[   24.953071]  slab_kmem_cache_release+0x2e/0x40
[   24.953220]  kmem_cache_release+0x16/0x20
[   24.953353]  kobject_put+0x181/0x450
[   24.953481]  sysfs_slab_release+0x16/0x20
[   24.953615]  kmem_cache_destroy+0xf0/0x1d0
[   24.953764]  kmem_cache_double_destroy+0x14e/0x380
[   24.953925]  kunit_try_run_case+0x1a5/0x480
[   24.954064]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.954234]  kthread+0x337/0x6f0
[   24.954348]  ret_from_fork+0x116/0x1d0
[   24.954474]  ret_from_fork_asm+0x1a/0x30
[   24.954607] 
[   24.954675] The buggy address belongs to the object at ffff8881017ada00
[   24.954675]  which belongs to the cache kmem_cache of size 208
[   24.955899] The buggy address is located 0 bytes inside of
[   24.955899]  freed 208-byte region [ffff8881017ada00, ffff8881017adad0)
[   24.957061] 
[   24.957230] The buggy address belongs to the physical page:
[   24.957902] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1017ad
[   24.958280] flags: 0x200000000000000(node=0|zone=2)
[   24.958517] page_type: f5(slab)
[   24.958684] raw: 0200000000000000 ffff888100041000 dead000000000100 dead000000000122
[   24.959039] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   24.959371] page dumped because: kasan: bad access detected
[   24.959567] 
[   24.959630] Memory state around the buggy address:
[   24.960333]  ffff8881017ad900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.962352]  ffff8881017ad980: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.962578] >ffff8881017ada00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   24.962990]                    ^
[   24.963637]  ffff8881017ada80: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   24.964419]  ffff8881017adb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.965412] ==================================================================