[  182.782534] ==================================================================
[  182.784000] BUG: KASAN: slab-use-after-free in strlen+0x18/0x68
[  182.785416] Read of size 1 at addr ffff0000c5f6ec10 by task kunit_try_catch/204
[  182.787295] 
[  182.787863] CPU: 0 PID: 204 Comm: kunit_try_catch Tainted: G    B            N 6.6.76-rc1 #1
[  182.789670] Hardware name: linux,dummy-virt (DT)
[  182.790835] Call trace:
[  182.791506]  dump_backtrace+0x9c/0x128
[  182.792619]  show_stack+0x20/0x38
[  182.793619]  dump_stack_lvl+0x60/0xb0
[  182.794800]  print_report+0xf8/0x5d8
[  182.795935]  kasan_report+0xc8/0x118
[  182.797056]  __asan_load1+0x60/0x70
[  182.798153]  strlen+0x18/0x68
[  182.799119]  kasan_strings+0x17c/0x478
[  182.800194]  kunit_try_run_case+0xf8/0x260
[  182.801633]  kunit_generic_run_threadfn_adapter+0x38/0x60
[  182.803850]  kthread+0x18c/0x1a8
[  182.805046]  ret_from_fork+0x10/0x20
[  182.806076] 
[  182.806623] Allocated by task 204:
[  182.807503]  kasan_save_stack+0x3c/0x68
[  182.808655]  kasan_set_track+0x2c/0x40
[  182.809792]  kasan_save_alloc_info+0x24/0x38
[  182.811038]  __kasan_kmalloc+0xd4/0xd8
[  182.812196]  kmalloc_trace+0x68/0x130
[  182.813252]  kasan_strings+0xa0/0x478
[  182.814316]  kunit_try_run_case+0xf8/0x260
[  182.815534]  kunit_generic_run_threadfn_adapter+0x38/0x60
[  182.817013]  kthread+0x18c/0x1a8
[  182.817964]  ret_from_fork+0x10/0x20
[  182.819020] 
[  182.819524] Freed by task 204:
[  182.820391]  kasan_save_stack+0x3c/0x68
[  182.821545]  kasan_set_track+0x2c/0x40
[  182.822718]  kasan_save_free_info+0x38/0x60
[  182.823977]  __kasan_slab_free+0x100/0x170
[  182.825174]  __kmem_cache_free+0x170/0x2e0
[  182.826374]  kfree+0x74/0x138
[  182.827313]  kasan_strings+0xbc/0x478
[  182.828386]  kunit_try_run_case+0xf8/0x260
[  182.829602]  kunit_generic_run_threadfn_adapter+0x38/0x60
[  182.831042]  kthread+0x18c/0x1a8
[  182.832000]  ret_from_fork+0x10/0x20
[  182.833079] 
[  182.833619] The buggy address belongs to the object at ffff0000c5f6ec00
[  182.833619]  which belongs to the cache kmalloc-32 of size 32
[  182.836021] The buggy address is located 16 bytes inside of
[  182.836021]  freed 32-byte region [ffff0000c5f6ec00, ffff0000c5f6ec20)
[  182.838465] 
[  182.839003] The buggy address belongs to the physical page:
[  182.840278] page:00000000e8269612 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105f6e
[  182.842223] flags: 0xbfffc0000000800(slab|node=0|zone=2|lastcpupid=0xffff)
[  182.843833] page_type: 0xffffffff()
[  182.844874] raw: 0bfffc0000000800 ffff0000c0001500 dead000000000122 0000000000000000
[  182.846618] raw: 0000000000000000 0000000080400040 00000001ffffffff 0000000000000000
[  182.848196] page dumped because: kasan: bad access detected
[  182.849420] 
[  182.850006] Memory state around the buggy address:
[  182.851197]  ffff0000c5f6eb00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[  182.852808]  ffff0000c5f6eb80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[  182.854408] >ffff0000c5f6ec00: fa fb fb fb fc fc fc fc fc fc fc fc fc fc fc fc
[  182.855945]                          ^
[  182.856906]  ffff0000c5f6ec80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  182.858532]  ffff0000c5f6ed00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[  182.860070] ==================================================================