[   25.714479] ==================================================================
[   25.715557] BUG: KASAN: slab-use-after-free in kmem_cache_double_destroy+0x1bd/0x380
[   25.716340] Read of size 1 at addr ffff888101012dc0 by task kunit_try_catch/222
[   25.716745] 
[   25.716936] CPU: 1 UID: 0 PID: 222 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc2-next-20241209 #1
[   25.717931] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.718406] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.719251] Call Trace:
[   25.719637]  <TASK>
[   25.720040]  dump_stack_lvl+0x73/0xb0
[   25.720542]  print_report+0xd1/0x640
[   25.721170]  ? __virt_addr_valid+0x1db/0x2d0
[   25.721598]  ? kasan_complete_mode_report_info+0x64/0x200
[   25.722276]  kasan_report+0x102/0x140
[   25.722773]  ? kmem_cache_double_destroy+0x1bd/0x380
[   25.723374]  ? kmem_cache_double_destroy+0x1bd/0x380
[   25.723897]  ? kmem_cache_double_destroy+0x1bd/0x380
[   25.724562]  __kasan_check_byte+0x3d/0x50
[   25.725046]  kmem_cache_destroy+0x25/0x1d0
[   25.725392]  kmem_cache_double_destroy+0x1bd/0x380
[   25.726227]  ? __pfx_kmem_cache_double_destroy+0x10/0x10
[   25.726615]  ? __schedule+0x1bdb/0x27e0
[   25.727369]  ? schedule+0x7c/0x310
[   25.727823]  ? trace_hardirqs_on+0x37/0xe0
[   25.728252]  ? __pfx_empty_cache_ctor+0x10/0x10
[   25.728664]  ? __pfx_read_tsc+0x10/0x10
[   25.729006]  ? ktime_get_ts64+0x86/0x230
[   25.729600]  kunit_try_run_case+0x1b3/0x490
[   25.730149]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.730756]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   25.731242]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.731959]  ? __kthread_parkme+0x82/0x160
[   25.732514]  ? preempt_count_sub+0x50/0x80
[   25.732825]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.733489]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.733986]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.734712]  kthread+0x257/0x310
[   25.735413]  ? __pfx_kthread+0x10/0x10
[   25.735826]  ret_from_fork+0x41/0x80
[   25.736280]  ? __pfx_kthread+0x10/0x10
[   25.736751]  ret_from_fork_asm+0x1a/0x30
[   25.737338]  </TASK>
[   25.737668] 
[   25.738028] Allocated by task 222:
[   25.738271]  kasan_save_stack+0x3d/0x60
[   25.738601]  kasan_save_track+0x18/0x40
[   25.739195]  kasan_save_alloc_info+0x3b/0x50
[   25.739702]  __kasan_slab_alloc+0x91/0xa0
[   25.740213]  kmem_cache_alloc_noprof+0x11e/0x3e0
[   25.740879]  __kmem_cache_create_args+0x177/0x250
[   25.741313]  kmem_cache_double_destroy+0xd3/0x380
[   25.741738]  kunit_try_run_case+0x1b3/0x490
[   25.742139]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.742686]  kthread+0x257/0x310
[   25.742940]  ret_from_fork+0x41/0x80
[   25.743448]  ret_from_fork_asm+0x1a/0x30
[   25.744054] 
[   25.744455] Freed by task 222:
[   25.744738]  kasan_save_stack+0x3d/0x60
[   25.745255]  kasan_save_track+0x18/0x40
[   25.745667]  kasan_save_free_info+0x3f/0x60
[   25.746015]  __kasan_slab_free+0x56/0x70
[   25.746589]  kmem_cache_free+0x120/0x420
[   25.747075]  slab_kmem_cache_release+0x2e/0x40
[   25.747408]  kmem_cache_release+0x16/0x20
[   25.747958]  kobject_put+0x181/0x450
[   25.748557]  sysfs_slab_release+0x16/0x20
[   25.749100]  kmem_cache_destroy+0xf0/0x1d0
[   25.749573]  kmem_cache_double_destroy+0x14c/0x380
[   25.750023]  kunit_try_run_case+0x1b3/0x490
[   25.750331]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.751021]  kthread+0x257/0x310
[   25.751274]  ret_from_fork+0x41/0x80
[   25.751908]  ret_from_fork_asm+0x1a/0x30
[   25.752537] 
[   25.752874] The buggy address belongs to the object at ffff888101012dc0
[   25.752874]  which belongs to the cache kmem_cache of size 208
[   25.753824] The buggy address is located 0 bytes inside of
[   25.753824]  freed 208-byte region [ffff888101012dc0, ffff888101012e90)
[   25.754766] 
[   25.755053] The buggy address belongs to the physical page:
[   25.755512] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101012
[   25.756613] flags: 0x200000000000000(node=0|zone=2)
[   25.757276] page_type: f5(slab)
[   25.757662] raw: 0200000000000000 ffff888100041000 dead000000000122 0000000000000000
[   25.758714] raw: 0000000000000000 00000000800c000c 00000000f5000000 0000000000000000
[   25.759333] page dumped because: kasan: bad access detected
[   25.759663] 
[   25.759821] Memory state around the buggy address:
[   25.760467]  ffff888101012c80: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.761192]  ffff888101012d00: fb fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc
[   25.761827] >ffff888101012d80: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb
[   25.762620]                                            ^
[   25.763207]  ffff888101012e00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   25.764019]  ffff888101012e80: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.764692] ==================================================================