[   15.027440] ==================================================================
[   15.029412] BUG: KASAN: slab-out-of-bounds in _copy_from_user+0x32/0x90
[   15.030161] Write of size 121 at addr ffff888103cfcc00 by task kunit_try_catch/305
[   15.030647] 
[   15.030751] CPU: 0 UID: 0 PID: 305 Comm: kunit_try_catch Tainted: G    B            N  6.15.8-rc1 #1 PREEMPT(voluntary) 
[   15.030801] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.030814] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   15.030839] Call Trace:
[   15.030853]  <TASK>
[   15.030873]  dump_stack_lvl+0x73/0xb0
[   15.030904]  print_report+0xd1/0x610
[   15.030929]  ? __virt_addr_valid+0x1db/0x2d0
[   15.030953]  ? _copy_from_user+0x32/0x90
[   15.030973]  ? kasan_complete_mode_report_info+0x2a/0x200
[   15.030997]  ? _copy_from_user+0x32/0x90
[   15.031018]  kasan_report+0x141/0x180
[   15.031042]  ? _copy_from_user+0x32/0x90
[   15.031067]  kasan_check_range+0x10c/0x1c0
[   15.031088]  __kasan_check_write+0x18/0x20
[   15.031109]  _copy_from_user+0x32/0x90
[   15.031130]  copy_user_test_oob+0x2be/0x10f0
[   15.031154]  ? __pfx_copy_user_test_oob+0x10/0x10
[   15.031174]  ? finish_task_switch.isra.0+0x153/0x700
[   15.031200]  ? __switch_to+0x5d9/0xf60
[   15.031242]  ? dequeue_task_fair+0x166/0x4e0
[   15.031271]  ? __schedule+0x10c6/0x2b60
[   15.031296]  ? __pfx_read_tsc+0x10/0x10
[   15.031318]  ? ktime_get_ts64+0x86/0x230
[   15.031365]  kunit_try_run_case+0x1a5/0x480
[   15.031387]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.031406]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   15.031428]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   15.031453]  ? __kthread_parkme+0x82/0x180
[   15.031486]  ? preempt_count_sub+0x50/0x80
[   15.031512]  ? __pfx_kunit_try_run_case+0x10/0x10
[   15.031533]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.031569]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   15.031593]  kthread+0x337/0x6f0
[   15.031611]  ? trace_preempt_on+0x20/0xc0
[   15.031636]  ? __pfx_kthread+0x10/0x10
[   15.031655]  ? _raw_spin_unlock_irq+0x47/0x80
[   15.031678]  ? calculate_sigpending+0x7b/0xa0
[   15.031701]  ? __pfx_kthread+0x10/0x10
[   15.031720]  ret_from_fork+0x41/0x80
[   15.031742]  ? __pfx_kthread+0x10/0x10
[   15.031760]  ret_from_fork_asm+0x1a/0x30
[   15.031793]  </TASK>
[   15.031806] 
[   15.045131] Allocated by task 305:
[   15.045492]  kasan_save_stack+0x45/0x70
[   15.045869]  kasan_save_track+0x18/0x40
[   15.046231]  kasan_save_alloc_info+0x3b/0x50
[   15.046641]  __kasan_kmalloc+0xb7/0xc0
[   15.046989]  __kmalloc_noprof+0x1c9/0x500
[   15.047400]  kunit_kmalloc_array+0x25/0x60
[   15.047782]  copy_user_test_oob+0xab/0x10f0
[   15.048108]  kunit_try_run_case+0x1a5/0x480
[   15.048369]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   15.048854]  kthread+0x337/0x6f0
[   15.048995]  ret_from_fork+0x41/0x80
[   15.049149]  ret_from_fork_asm+0x1a/0x30
[   15.049552] 
[   15.049708] The buggy address belongs to the object at ffff888103cfcc00
[   15.049708]  which belongs to the cache kmalloc-128 of size 128
[   15.050687] The buggy address is located 0 bytes inside of
[   15.050687]  allocated 120-byte region [ffff888103cfcc00, ffff888103cfcc78)
[   15.051048] 
[   15.051122] The buggy address belongs to the physical page:
[   15.051311] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x103cfc
[   15.052019] flags: 0x200000000000000(node=0|zone=2)
[   15.052493] page_type: f5(slab)
[   15.052808] raw: 0200000000000000 ffff888100041a00 dead000000000122 0000000000000000
[   15.053501] raw: 0000000000000000 0000000080100010 00000000f5000000 0000000000000000
[   15.054144] page dumped because: kasan: bad access detected
[   15.054648] 
[   15.054802] Memory state around the buggy address:
[   15.055250]  ffff888103cfcb00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   15.055881]  ffff888103cfcb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.056158] >ffff888103cfcc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc
[   15.056794]                                                                 ^
[   15.057213]  ffff888103cfcc80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.057664]  ffff888103cfcd00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   15.058289] ==================================================================