[   25.091632] ==================================================================
[   25.092085] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x452/0x4a0
[   25.092403] Write of size 16 at addr ffff88810585ea80 by task kunit_try_catch/214
[   25.092748] 
[   25.092895] CPU: 1 UID: 0 PID: 214 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7-next-20250722 #1 PREEMPT(voluntary) 
[   25.092943] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.092956] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.092978] Call Trace:
[   25.092991]  <TASK>
[   25.093007]  dump_stack_lvl+0x73/0xb0
[   25.093036]  print_report+0xd1/0x640
[   25.093058]  ? __virt_addr_valid+0x1db/0x2d0
[   25.093083]  ? kmalloc_oob_16+0x452/0x4a0
[   25.093122]  ? kasan_complete_mode_report_info+0x2a/0x200
[   25.093150]  ? kmalloc_oob_16+0x452/0x4a0
[   25.093182]  kasan_report+0x141/0x180
[   25.093318]  ? kmalloc_oob_16+0x452/0x4a0
[   25.093343]  __asan_report_store16_noabort+0x1b/0x30
[   25.093367]  kmalloc_oob_16+0x452/0x4a0
[   25.093389]  ? __pfx_kmalloc_oob_16+0x10/0x10
[   25.093410]  ? __schedule+0x10da/0x2b60
[   25.093436]  ? __pfx_read_tsc+0x10/0x10
[   25.093470]  ? ktime_get_ts64+0x86/0x230
[   25.093496]  kunit_try_run_case+0x1a5/0x480
[   25.093521]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.093544]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.093568]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.093593]  ? __kthread_parkme+0x82/0x180
[   25.093615]  ? preempt_count_sub+0x50/0x80
[   25.093638]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.093663]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.093687]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.093711]  kthread+0x337/0x6f0
[   25.093731]  ? trace_preempt_on+0x20/0xc0
[   25.093756]  ? __pfx_kthread+0x10/0x10
[   25.093777]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.093800]  ? calculate_sigpending+0x7b/0xa0
[   25.093824]  ? __pfx_kthread+0x10/0x10
[   25.093858]  ret_from_fork+0x116/0x1d0
[   25.093878]  ? __pfx_kthread+0x10/0x10
[   25.093900]  ret_from_fork_asm+0x1a/0x30
[   25.093931]  </TASK>
[   25.093942] 
[   25.104061] Allocated by task 214:
[   25.104254]  kasan_save_stack+0x45/0x70
[   25.104601]  kasan_save_track+0x18/0x40
[   25.104917]  kasan_save_alloc_info+0x3b/0x50
[   25.105137]  __kasan_kmalloc+0xb7/0xc0
[   25.105499]  __kmalloc_cache_noprof+0x189/0x420
[   25.105803]  kmalloc_oob_16+0xa8/0x4a0
[   25.106013]  kunit_try_run_case+0x1a5/0x480
[   25.106216]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.106787]  kthread+0x337/0x6f0
[   25.106978]  ret_from_fork+0x116/0x1d0
[   25.107337]  ret_from_fork_asm+0x1a/0x30
[   25.107549] 
[   25.107805] The buggy address belongs to the object at ffff88810585ea80
[   25.107805]  which belongs to the cache kmalloc-16 of size 16
[   25.108427] The buggy address is located 0 bytes inside of
[   25.108427]  allocated 13-byte region [ffff88810585ea80, ffff88810585ea8d)
[   25.108925] 
[   25.109021] The buggy address belongs to the physical page:
[   25.109639] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10585e
[   25.110057] flags: 0x200000000000000(node=0|zone=2)
[   25.110404] page_type: f5(slab)
[   25.110648] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122
[   25.111223] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   25.111732] page dumped because: kasan: bad access detected
[   25.112096] 
[   25.112244] Memory state around the buggy address:
[   25.112661]  ffff88810585e980: 00 06 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc
[   25.113103]  ffff88810585ea00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   25.113537] >ffff88810585ea80: 00 05 fc fc 00 00 fc fc fc fc fc fc fc fc fc fc
[   25.113976]                       ^
[   25.114157]  ffff88810585eb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.114663]  ffff88810585eb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.115043] ==================================================================