[   24.796096] ==================================================================
[   24.798026] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90
[   24.799709] Free of addr ffff888101094740 by task kunit_try_catch/199
[   24.801217] 
[   24.801721] CPU: 1 UID: 0 PID: 199 Comm: kunit_try_catch Tainted: G    B            N 6.13.0-rc2-next-20241209 #1
[   24.803466] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.804047] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.805649] Call Trace:
[   24.806263]  <TASK>
[   24.806550]  dump_stack_lvl+0x73/0xb0
[   24.807736]  print_report+0xd1/0x640
[   24.808383]  ? __virt_addr_valid+0x1db/0x2d0
[   24.808821]  ? kfree_sensitive+0x2e/0x90
[   24.809248]  ? kasan_complete_mode_report_info+0x64/0x200
[   24.811016]  ? kfree_sensitive+0x2e/0x90
[   24.811354]  kasan_report_invalid_free+0xc0/0xf0
[   24.811652]  ? kfree_sensitive+0x2e/0x90
[   24.812493]  ? kfree_sensitive+0x2e/0x90
[   24.813081]  check_slab_allocation+0x101/0x130
[   24.813714]  __kasan_slab_pre_free+0x28/0x40
[   24.814567]  kfree+0xf1/0x3f0
[   24.815463]  ? kfree_sensitive+0x2e/0x90
[   24.815966]  kfree_sensitive+0x2e/0x90
[   24.816252]  kmalloc_double_kzfree+0x19d/0x360
[   24.817366]  ? __pfx_kmalloc_double_kzfree+0x10/0x10
[   24.818119]  ? __schedule+0xc70/0x27e0
[   24.818484]  ? __pfx_read_tsc+0x10/0x10
[   24.819060]  ? ktime_get_ts64+0x86/0x230
[   24.819504]  kunit_try_run_case+0x1b3/0x490
[   24.820184]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.821285]  ? _raw_spin_lock_irqsave+0xa2/0x110
[   24.821963]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.822553]  ? __kthread_parkme+0x82/0x160
[   24.823310]  ? preempt_count_sub+0x50/0x80
[   24.824001]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.824789]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.826012]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.826855]  kthread+0x257/0x310
[   24.827587]  ? __pfx_kthread+0x10/0x10
[   24.828371]  ret_from_fork+0x41/0x80
[   24.828627]  ? __pfx_kthread+0x10/0x10
[   24.829599]  ret_from_fork_asm+0x1a/0x30
[   24.830343]  </TASK>
[   24.830605] 
[   24.830759] Allocated by task 199:
[   24.831314]  kasan_save_stack+0x3d/0x60
[   24.832101]  kasan_save_track+0x18/0x40
[   24.833138]  kasan_save_alloc_info+0x3b/0x50
[   24.834018]  __kasan_kmalloc+0xb7/0xc0
[   24.834675]  __kmalloc_cache_noprof+0x184/0x410
[   24.835275]  kmalloc_double_kzfree+0xaa/0x360
[   24.835655]  kunit_try_run_case+0x1b3/0x490
[   24.836444]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.837976]  kthread+0x257/0x310
[   24.838630]  ret_from_fork+0x41/0x80
[   24.839123]  ret_from_fork_asm+0x1a/0x30
[   24.839940] 
[   24.840242] Freed by task 199:
[   24.840486]  kasan_save_stack+0x3d/0x60
[   24.841586]  kasan_save_track+0x18/0x40
[   24.842463]  kasan_save_free_info+0x3f/0x60
[   24.842842]  __kasan_slab_free+0x56/0x70
[   24.843685]  kfree+0x123/0x3f0
[   24.844344]  kfree_sensitive+0x67/0x90
[   24.844979]  kmalloc_double_kzfree+0x12c/0x360
[   24.845985]  kunit_try_run_case+0x1b3/0x490
[   24.846869]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.847209]  kthread+0x257/0x310
[   24.848077]  ret_from_fork+0x41/0x80
[   24.849003]  ret_from_fork_asm+0x1a/0x30
[   24.850007] 
[   24.850154] The buggy address belongs to the object at ffff888101094740
[   24.850154]  which belongs to the cache kmalloc-16 of size 16
[   24.851964] The buggy address is located 0 bytes inside of
[   24.851964]  16-byte region [ffff888101094740, ffff888101094750)
[   24.853133] 
[   24.853315] The buggy address belongs to the physical page:
[   24.854045] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101094
[   24.855243] flags: 0x200000000000000(node=0|zone=2)
[   24.856000] page_type: f5(slab)
[   24.856433] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   24.857482] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   24.858892] page dumped because: kasan: bad access detected
[   24.859764] 
[   24.859926] Memory state around the buggy address:
[   24.860765]  ffff888101094600: fa fb fc fc fa fb fc fc fa fb fc fc 00 02 fc fc
[   24.861639]  ffff888101094680: 00 02 fc fc fa fb fc fc 00 00 fc fc fa fb fc fc
[   24.862936] >ffff888101094700: fa fb fc fc fa fb fc fc fa fb fc fc fc fc fc fc
[   24.863861]                                            ^
[   24.864663]  ffff888101094780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.865401]  ffff888101094800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.866245] ==================================================================