[   40.846946] ==================================================================
[   40.853935] BUG: KASAN: slab-use-after-free in strlen+0xa8/0xb0
[   40.859835] Read of size 1 at addr ffff0008065c9310 by task kunit_try_catch/304
[   40.867126] 
[   40.868611] CPU: 6 UID: 0 PID: 304 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   40.868666] Tainted: [B]=BAD_PAGE, [N]=TEST
[   40.868684] Hardware name: WinLink E850-96 board (DT)
[   40.868707] Call trace:
[   40.868722]  show_stack+0x20/0x38 (C)
[   40.868759]  dump_stack_lvl+0x8c/0xd0
[   40.868792]  print_report+0x118/0x608
[   40.868825]  kasan_report+0xdc/0x128
[   40.868856]  __asan_report_load1_noabort+0x20/0x30
[   40.868894]  strlen+0xa8/0xb0
[   40.868928]  kasan_strings+0x418/0xb00
[   40.868957]  kunit_try_run_case+0x170/0x3f0
[   40.868988]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   40.869026]  kthread+0x328/0x630
[   40.869061]  ret_from_fork+0x10/0x20
[   40.869095] 
[   40.935180] Allocated by task 304:
[   40.938568]  kasan_save_stack+0x3c/0x68
[   40.942386]  kasan_save_track+0x20/0x40
[   40.946205]  kasan_save_alloc_info+0x40/0x58
[   40.950458]  __kasan_kmalloc+0xd4/0xd8
[   40.954191]  __kmalloc_cache_noprof+0x15c/0x3c0
[   40.958704]  kasan_strings+0xc8/0xb00
[   40.962350]  kunit_try_run_case+0x170/0x3f0
[   40.966517]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   40.971986]  kthread+0x328/0x630
[   40.975197]  ret_from_fork+0x10/0x20
[   40.978757] 
[   40.980234] Freed by task 304:
[   40.983273]  kasan_save_stack+0x3c/0x68
[   40.987090]  kasan_save_track+0x20/0x40
[   40.990911]  kasan_save_free_info+0x4c/0x78
[   40.995076]  __kasan_slab_free+0x6c/0x98
[   40.998982]  kfree+0x214/0x3c8
[   41.002020]  kasan_strings+0x24c/0xb00
[   41.005753]  kunit_try_run_case+0x170/0x3f0
[   41.009919]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   41.015388]  kthread+0x328/0x630
[   41.018599]  ret_from_fork+0x10/0x20
[   41.022159] 
[   41.023636] The buggy address belongs to the object at ffff0008065c9300
[   41.023636]  which belongs to the cache kmalloc-32 of size 32
[   41.035963] The buggy address is located 16 bytes inside of
[   41.035963]  freed 32-byte region [ffff0008065c9300, ffff0008065c9320)
[   41.048026] 
[   41.049504] The buggy address belongs to the physical page:
[   41.055061] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8865c9
[   41.063045] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   41.069555] page_type: f5(slab)
[   41.072691] raw: 0bfffe0000000000 ffff000800002780 dead000000000122 0000000000000000
[   41.080411] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000
[   41.088130] page dumped because: kasan: bad access detected
[   41.093685] 
[   41.095160] Memory state around the buggy address:
[   41.099944]  ffff0008065c9200: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   41.107144]  ffff0008065c9280: 00 00 00 fc fc fc fc fc fa fb fb fb fc fc fc fc
[   41.114348] >ffff0008065c9300: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   41.121549]                          ^
[   41.125285]  ffff0008065c9380: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc
[   41.132491]  ffff0008065c9400: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   41.139692] ==================================================================