[   30.381406] ==================================================================
[   30.388420] BUG: KASAN: double-free in kfree_sensitive+0x3c/0xb0
[   30.394405] Free of addr ffff000801dde600 by task kunit_try_catch/237
[   30.400828] 
[   30.402315] CPU: 3 UID: 0 PID: 237 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   30.402373] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.402390] Hardware name: WinLink E850-96 board (DT)
[   30.402410] Call trace:
[   30.402423]  show_stack+0x20/0x38 (C)
[   30.402458]  dump_stack_lvl+0x8c/0xd0
[   30.402489]  print_report+0x118/0x608
[   30.402520]  kasan_report_invalid_free+0xc0/0xe8
[   30.402553]  check_slab_allocation+0xd4/0x108
[   30.402583]  __kasan_slab_pre_free+0x2c/0x48
[   30.402615]  kfree+0xe8/0x3c8
[   30.402642]  kfree_sensitive+0x3c/0xb0
[   30.402671]  kmalloc_double_kzfree+0x168/0x308
[   30.402704]  kunit_try_run_case+0x170/0x3f0
[   30.402737]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.402772]  kthread+0x328/0x630
[   30.402803]  ret_from_fork+0x10/0x20
[   30.402836] 
[   30.478172] Allocated by task 237:
[   30.481558]  kasan_save_stack+0x3c/0x68
[   30.485376]  kasan_save_track+0x20/0x40
[   30.489195]  kasan_save_alloc_info+0x40/0x58
[   30.493449]  __kasan_kmalloc+0xd4/0xd8
[   30.497181]  __kmalloc_cache_noprof+0x15c/0x3c0
[   30.501695]  kmalloc_double_kzfree+0xb8/0x308
[   30.506035]  kunit_try_run_case+0x170/0x3f0
[   30.510202]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.515671]  kthread+0x328/0x630
[   30.518882]  ret_from_fork+0x10/0x20
[   30.522441] 
[   30.523917] Freed by task 237:
[   30.526956]  kasan_save_stack+0x3c/0x68
[   30.530775]  kasan_save_track+0x20/0x40
[   30.534594]  kasan_save_free_info+0x4c/0x78
[   30.538760]  __kasan_slab_free+0x6c/0x98
[   30.542668]  kfree+0x214/0x3c8
[   30.545705]  kfree_sensitive+0x80/0xb0
[   30.549437]  kmalloc_double_kzfree+0x11c/0x308
[   30.553864]  kunit_try_run_case+0x170/0x3f0
[   30.558031]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.563500]  kthread+0x328/0x630
[   30.566712]  ret_from_fork+0x10/0x20
[   30.570271] 
[   30.571748] The buggy address belongs to the object at ffff000801dde600
[   30.571748]  which belongs to the cache kmalloc-16 of size 16
[   30.584075] The buggy address is located 0 bytes inside of
[   30.584075]  16-byte region [ffff000801dde600, ffff000801dde610)
[   30.595530] 
[   30.597009] The buggy address belongs to the physical page:
[   30.602565] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881dde
[   30.610551] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   30.617060] page_type: f5(slab)
[   30.620195] raw: 0bfffe0000000000 ffff000800002640 dead000000000122 0000000000000000
[   30.627915] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   30.635635] page dumped because: kasan: bad access detected
[   30.641189] 
[   30.642665] Memory state around the buggy address:
[   30.647446]  ffff000801dde500: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   30.654648]  ffff000801dde580: fa fb fc fc fa fb fc fc 00 04 fc fc fa fb fc fc
[   30.661854] >ffff000801dde600: fa fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.669054]                    ^
[   30.672269]  ffff000801dde680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.679474]  ffff000801dde700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.686677] ==================================================================