[   27.701457] ==================================================================
[   27.710858] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x150/0x300
[   27.718059] Write of size 4 at addr ffff000801ede775 by task kunit_try_catch/219
[   27.725435] 
[   27.726922] CPU: 6 UID: 0 PID: 219 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   27.726981] Tainted: [B]=BAD_PAGE, [N]=TEST
[   27.726998] Hardware name: WinLink E850-96 board (DT)
[   27.727020] Call trace:
[   27.727033]  show_stack+0x20/0x38 (C)
[   27.727070]  dump_stack_lvl+0x8c/0xd0
[   27.727101]  print_report+0x118/0x608
[   27.727135]  kasan_report+0xdc/0x128
[   27.727164]  kasan_check_range+0x100/0x1a8
[   27.727195]  __asan_memset+0x34/0x78
[   27.727225]  kmalloc_oob_memset_4+0x150/0x300
[   27.727252]  kunit_try_run_case+0x170/0x3f0
[   27.727282]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   27.727317]  kthread+0x328/0x630
[   27.727352]  ret_from_fork+0x10/0x20
[   27.727386] 
[   27.794011] Allocated by task 219:
[   27.797398]  kasan_save_stack+0x3c/0x68
[   27.801215]  kasan_save_track+0x20/0x40
[   27.805034]  kasan_save_alloc_info+0x40/0x58
[   27.809288]  __kasan_kmalloc+0xd4/0xd8
[   27.813020]  __kmalloc_cache_noprof+0x15c/0x3c0
[   27.817534]  kmalloc_oob_memset_4+0xb0/0x300
[   27.821789]  kunit_try_run_case+0x170/0x3f0
[   27.825954]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   27.831423]  kthread+0x328/0x630
[   27.834636]  ret_from_fork+0x10/0x20
[   27.838193] 
[   27.839671] The buggy address belongs to the object at ffff000801ede700
[   27.839671]  which belongs to the cache kmalloc-128 of size 128
[   27.852173] The buggy address is located 117 bytes inside of
[   27.852173]  allocated 120-byte region [ffff000801ede700, ffff000801ede778)
[   27.864756] 
[   27.866235] The buggy address belongs to the physical page:
[   27.871790] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x881ede
[   27.879775] head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[   27.887414] flags: 0xbfffe0000000040(head|node=0|zone=2|lastcpupid=0x1ffff)
[   27.894358] page_type: f5(slab)
[   27.897495] raw: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   27.905213] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   27.912940] head: 0bfffe0000000040 ffff000800002a00 dead000000000122 0000000000000000
[   27.920751] head: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   27.928564] head: 0bfffe0000000001 fffffdffe007b781 00000000ffffffff 00000000ffffffff
[   27.936376] head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
[   27.944181] page dumped because: kasan: bad access detected
[   27.949738] 
[   27.951212] Memory state around the buggy address:
[   27.955995]  ffff000801ede600: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   27.963195]  ffff000801ede680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.970400] >ffff000801ede700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   27.977601]                                                                 ^
[   27.984723]  ffff000801ede780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.991929]  ffff000801ede800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   27.999130] ==================================================================