[   11.210599] ==================================================================
[   11.211159] BUG: KASAN: slab-out-of-bounds in kmalloc_memmove_invalid_size+0x16f/0x330
[   11.211493] Read of size 64 at addr ffff888102a83c84 by task kunit_try_catch/200
[   11.212065] 
[   11.212185] CPU: 1 UID: 0 PID: 200 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) 
[   11.212232] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.212244] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.212265] Call Trace:
[   11.212277]  <TASK>
[   11.212293]  dump_stack_lvl+0x73/0xb0
[   11.212319]  print_report+0xd1/0x650
[   11.212341]  ? __virt_addr_valid+0x1db/0x2d0
[   11.212363]  ? kmalloc_memmove_invalid_size+0x16f/0x330
[   11.212397]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.212419]  ? kmalloc_memmove_invalid_size+0x16f/0x330
[   11.212443]  kasan_report+0x141/0x180
[   11.212465]  ? kmalloc_memmove_invalid_size+0x16f/0x330
[   11.212494]  kasan_check_range+0x10c/0x1c0
[   11.212517]  __asan_memmove+0x27/0x70
[   11.212537]  kmalloc_memmove_invalid_size+0x16f/0x330
[   11.212561]  ? __pfx_kmalloc_memmove_invalid_size+0x10/0x10
[   11.212586]  ? __schedule+0x10cc/0x2b60
[   11.212609]  ? __pfx_read_tsc+0x10/0x10
[   11.212629]  ? ktime_get_ts64+0x86/0x230
[   11.212653]  kunit_try_run_case+0x1a5/0x480
[   11.212673]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.212692]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.212988]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.213082]  ? __kthread_parkme+0x82/0x180
[   11.213104]  ? preempt_count_sub+0x50/0x80
[   11.213163]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.213186]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.213210]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.213233]  kthread+0x337/0x6f0
[   11.213252]  ? trace_preempt_on+0x20/0xc0
[   11.213275]  ? __pfx_kthread+0x10/0x10
[   11.213295]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.213318]  ? calculate_sigpending+0x7b/0xa0
[   11.213340]  ? __pfx_kthread+0x10/0x10
[   11.213361]  ret_from_fork+0x116/0x1d0
[   11.213390]  ? __pfx_kthread+0x10/0x10
[   11.213410]  ret_from_fork_asm+0x1a/0x30
[   11.213440]  </TASK>
[   11.213450] 
[   11.225353] Allocated by task 200:
[   11.225537]  kasan_save_stack+0x45/0x70
[   11.226252]  kasan_save_track+0x18/0x40
[   11.226454]  kasan_save_alloc_info+0x3b/0x50
[   11.226651]  __kasan_kmalloc+0xb7/0xc0
[   11.227237]  __kmalloc_cache_noprof+0x189/0x420
[   11.227653]  kmalloc_memmove_invalid_size+0xac/0x330
[   11.227971]  kunit_try_run_case+0x1a5/0x480
[   11.228347]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.228593]  kthread+0x337/0x6f0
[   11.228988]  ret_from_fork+0x116/0x1d0
[   11.229257]  ret_from_fork_asm+0x1a/0x30
[   11.229632] 
[   11.229887] The buggy address belongs to the object at ffff888102a83c80
[   11.229887]  which belongs to the cache kmalloc-64 of size 64
[   11.230575] The buggy address is located 4 bytes inside of
[   11.230575]  allocated 64-byte region [ffff888102a83c80, ffff888102a83cc0)
[   11.231370] 
[   11.231492] The buggy address belongs to the physical page:
[   11.231684] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a83
[   11.232054] flags: 0x200000000000000(node=0|zone=2)
[   11.232364] page_type: f5(slab)
[   11.232555] raw: 0200000000000000 ffff8881000418c0 dead000000000122 0000000000000000
[   11.232853] raw: 0000000000000000 0000000080200020 00000000f5000000 0000000000000000
[   11.233300] page dumped because: kasan: bad access detected
[   11.233505] 
[   11.233594] Memory state around the buggy address:
[   11.233877]  ffff888102a83b80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   11.234199]  ffff888102a83c00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
[   11.234523] >ffff888102a83c80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
[   11.234811]                                            ^
[   11.235074]  ffff888102a83d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.235609]  ffff888102a83d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.235896] ==================================================================