[   11.091481] ==================================================================
[   11.092473] BUG: KASAN: slab-out-of-bounds in kmalloc_oob_memset_4+0x166/0x330
[   11.093212] Write of size 4 at addr ffff888102a7ab75 by task kunit_try_catch/192
[   11.093931] 
[   11.094150] CPU: 1 UID: 0 PID: 192 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc7-next-20250526 #1 PREEMPT(voluntary) 
[   11.094195] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.094208] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.094228] Call Trace:
[   11.094241]  <TASK>
[   11.094256]  dump_stack_lvl+0x73/0xb0
[   11.094284]  print_report+0xd1/0x650
[   11.094317]  ? __virt_addr_valid+0x1db/0x2d0
[   11.094339]  ? kmalloc_oob_memset_4+0x166/0x330
[   11.094360]  ? kasan_complete_mode_report_info+0x2a/0x200
[   11.094399]  ? kmalloc_oob_memset_4+0x166/0x330
[   11.094421]  kasan_report+0x141/0x180
[   11.094443]  ? kmalloc_oob_memset_4+0x166/0x330
[   11.094470]  kasan_check_range+0x10c/0x1c0
[   11.094493]  __asan_memset+0x27/0x50
[   11.094512]  kmalloc_oob_memset_4+0x166/0x330
[   11.094535]  ? __pfx_kmalloc_oob_memset_4+0x10/0x10
[   11.094557]  ? __schedule+0x10cc/0x2b60
[   11.094581]  ? __pfx_read_tsc+0x10/0x10
[   11.094601]  ? ktime_get_ts64+0x86/0x230
[   11.094627]  kunit_try_run_case+0x1a5/0x480
[   11.094648]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.094666]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.094691]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.094734]  ? __kthread_parkme+0x82/0x180
[   11.094754]  ? preempt_count_sub+0x50/0x80
[   11.094777]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.094797]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.094821]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.094845]  kthread+0x337/0x6f0
[   11.094863]  ? trace_preempt_on+0x20/0xc0
[   11.094886]  ? __pfx_kthread+0x10/0x10
[   11.094906]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.094929]  ? calculate_sigpending+0x7b/0xa0
[   11.094952]  ? __pfx_kthread+0x10/0x10
[   11.094972]  ret_from_fork+0x116/0x1d0
[   11.095006]  ? __pfx_kthread+0x10/0x10
[   11.095028]  ret_from_fork_asm+0x1a/0x30
[   11.095057]  </TASK>
[   11.095067] 
[   11.105295] Allocated by task 192:
[   11.105587]  kasan_save_stack+0x45/0x70
[   11.105746]  kasan_save_track+0x18/0x40
[   11.106352]  kasan_save_alloc_info+0x3b/0x50
[   11.106537]  __kasan_kmalloc+0xb7/0xc0
[   11.106793]  __kmalloc_cache_noprof+0x189/0x420
[   11.107296]  kmalloc_oob_memset_4+0xac/0x330
[   11.107711]  kunit_try_run_case+0x1a5/0x480
[   11.108164]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.108679]  kthread+0x337/0x6f0
[   11.108843]  ret_from_fork+0x116/0x1d0
[   11.109328]  ret_from_fork_asm+0x1a/0x30
[   11.109738] 
[   11.109918] The buggy address belongs to the object at ffff888102a7ab00
[   11.109918]  which belongs to the cache kmalloc-128 of size 128
[   11.110873] The buggy address is located 117 bytes inside of
[   11.110873]  allocated 120-byte region [ffff888102a7ab00, ffff888102a7ab78)
[   11.111854] 
[   11.112231] The buggy address belongs to the physical page:
[   11.112747] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102a7a
[   11.113569] flags: 0x200000000000000(node=0|zone=2)
[   11.113924] page_type: f5(slab)
[   11.114079] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   11.114852] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   11.115480] page dumped because: kasan: bad access detected
[   11.115920] 
[   11.115992] Memory state around the buggy address:
[   11.116502]  ffff888102a7aa00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.117126]  ffff888102a7aa80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.117347] >ffff888102a7ab00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   11.117610]                                                                 ^
[   11.118532]  ffff888102a7ab80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.119206]  ffff888102a7ac00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   11.119993] ==================================================================