[   39.932496] ==================================================================
[   39.942666] BUG: KASAN: slab-out-of-bounds in memcmp+0x198/0x1d8
[   39.948652] Read of size 1 at addr ffff00080691e118 by task kunit_try_catch/302
[   39.955944] 
[   39.957430] CPU: 5 UID: 0 PID: 302 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc6-next-20250515 #1 PREEMPT 
[   39.957492] Tainted: [B]=BAD_PAGE, [N]=TEST
[   39.957511] Hardware name: WinLink E850-96 board (DT)
[   39.957535] Call trace:
[   39.957553]  show_stack+0x20/0x38 (C)
[   39.957590]  dump_stack_lvl+0x8c/0xd0
[   39.957627]  print_report+0x118/0x608
[   39.957666]  kasan_report+0xdc/0x128
[   39.957699]  __asan_report_load1_noabort+0x20/0x30
[   39.957739]  memcmp+0x198/0x1d8
[   39.957774]  kasan_memcmp+0x16c/0x300
[   39.957804]  kunit_try_run_case+0x170/0x3f0
[   39.957837]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   39.957875]  kthread+0x328/0x630
[   39.957913]  ret_from_fork+0x10/0x20
[   39.957949] 
[   40.024084] Allocated by task 302:
[   40.027472]  kasan_save_stack+0x3c/0x68
[   40.031288]  kasan_save_track+0x20/0x40
[   40.035108]  kasan_save_alloc_info+0x40/0x58
[   40.039361]  __kasan_kmalloc+0xd4/0xd8
[   40.043094]  __kmalloc_cache_noprof+0x15c/0x3c0
[   40.047607]  kasan_memcmp+0xbc/0x300
[   40.051166]  kunit_try_run_case+0x170/0x3f0
[   40.055333]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   40.060801]  kthread+0x328/0x630
[   40.064013]  ret_from_fork+0x10/0x20
[   40.067572] 
[   40.069049] The buggy address belongs to the object at ffff00080691e100
[   40.069049]  which belongs to the cache kmalloc-32 of size 32
[   40.081377] The buggy address is located 0 bytes to the right of
[   40.081377]  allocated 24-byte region [ffff00080691e100, ffff00080691e118)
[   40.094221] 
[   40.095700] The buggy address belongs to the physical page:
[   40.101256] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x88691e
[   40.109240] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   40.115750] page_type: f5(slab)
[   40.118888] raw: 0bfffe0000000000 ffff000800002780 dead000000000122 0000000000000000
[   40.126606] raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000
[   40.134326] page dumped because: kasan: bad access detected
[   40.139880] 
[   40.141356] Memory state around the buggy address:
[   40.146140]  ffff00080691e000: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
[   40.153339]  ffff00080691e080: 00 00 00 fc fc fc fc fc 00 00 00 fc fc fc fc fc
[   40.160545] >ffff00080691e100: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
[   40.167744]                             ^
[   40.171741]  ffff00080691e180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   40.178947]  ffff00080691e200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   40.186148] ==================================================================