[   21.352095] ==================================================================
[   21.353501] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_16+0x454/0x4a0
[   21.354225] Write of size 16 at addr ffff888101094f40 by task kunit_try_catch/174
[   21.354888] 
[   21.355060] CPU: 1 UID: 0 PID: 174 Comm: kunit_try_catch Tainted: G    B            N 6.12.0-next-20241128 #1
[   21.355712] Tainted: [B]=BAD_PAGE, [N]=TEST
[   21.356271] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   21.357225] Call Trace:
[   21.357838]  <TASK>
[   21.358034]  dump_stack_lvl+0x73/0xb0
[   21.358828]  print_report+0xd1/0x640
[   21.359500]  ? __virt_addr_valid+0x1db/0x2d0
[   21.359918]  ? kasan_complete_mode_report_info+0x2a/0x200
[   21.360630]  kasan_report+0x102/0x140
[   21.360939]  ? kmalloc_oob_16+0x454/0x4a0
[   21.361580]  ? kmalloc_oob_16+0x454/0x4a0
[   21.361922]  __asan_report_store16_noabort+0x1b/0x30
[   21.362702]  kmalloc_oob_16+0x454/0x4a0
[   21.363060]  ? __pfx_kmalloc_oob_16+0x10/0x10
[   21.363605]  ? __schedule+0xc3e/0x2790
[   21.363998]  ? __pfx_read_tsc+0x10/0x10
[   21.364474]  ? ktime_get_ts64+0x84/0x230
[   21.364860]  kunit_try_run_case+0x1b3/0x490
[   21.365483]  ? __pfx_kunit_try_run_case+0x10/0x10
[   21.365947]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   21.366491]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   21.367013]  ? __kthread_parkme+0x82/0x160
[   21.367676]  ? preempt_count_sub+0x50/0x80
[   21.368322]  ? __pfx_kunit_try_run_case+0x10/0x10
[   21.368840]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   21.369650]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   21.370158]  kthread+0x257/0x310
[   21.370624]  ? __pfx_kthread+0x10/0x10
[   21.371003]  ret_from_fork+0x41/0x80
[   21.371570]  ? __pfx_kthread+0x10/0x10
[   21.372024]  ret_from_fork_asm+0x1a/0x30
[   21.372542]  </TASK>
[   21.372845] 
[   21.373024] Allocated by task 174:
[   21.373433]  kasan_save_stack+0x3d/0x60
[   21.373925]  kasan_save_track+0x18/0x40
[   21.374500]  kasan_save_alloc_info+0x3b/0x50
[   21.374894]  __kasan_kmalloc+0xb7/0xc0
[   21.375212]  __kmalloc_cache_noprof+0x184/0x410
[   21.375877]  kmalloc_oob_16+0xa9/0x4a0
[   21.376491]  kunit_try_run_case+0x1b3/0x490
[   21.376813]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   21.377549]  kthread+0x257/0x310
[   21.377839]  ret_from_fork+0x41/0x80
[   21.378361]  ret_from_fork_asm+0x1a/0x30
[   21.378644] 
[   21.378862] The buggy address belongs to the object at ffff888101094f40
[   21.378862]  which belongs to the cache kmalloc-16 of size 16
[   21.380306] The buggy address is located 0 bytes inside of
[   21.380306]  allocated 13-byte region [ffff888101094f40, ffff888101094f4d)
[   21.381425] 
[   21.381605] The buggy address belongs to the physical page:
[   21.382096] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101094
[   21.382785] flags: 0x200000000000000(node=0|zone=2)
[   21.383471] page_type: f5(slab)
[   21.383838] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   21.384549] raw: 0000000000000000 0000000080800080 00000001f5000000 0000000000000000
[   21.385509] page dumped because: kasan: bad access detected
[   21.386005] 
[   21.386273] Memory state around the buggy address:
[   21.386780]  ffff888101094e00: fa fb fc fc 00 02 fc fc 00 02 fc fc fa fb fc fc
[   21.387290]  ffff888101094e80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   21.388041] >ffff888101094f00: fa fb fc fc fa fb fc fc 00 05 fc fc 00 00 fc fc
[   21.388733]                                               ^
[   21.389523]  ffff888101094f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   21.390451]  ffff888101095000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   21.390937] ==================================================================