[   13.143577] ==================================================================
[   13.144054] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90
[   13.144266] Free of addr ffff888102434600 by task kunit_try_catch/209
[   13.144462] 
[   13.144573] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc5 #1 PREEMPT(voluntary) 
[   13.144628] Tainted: [B]=BAD_PAGE, [N]=TEST
[   13.144638] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   13.144658] Call Trace:
[   13.144671]  <TASK>
[   13.144688]  dump_stack_lvl+0x73/0xb0
[   13.144716]  print_report+0xd1/0x650
[   13.144740]  ? __virt_addr_valid+0x1db/0x2d0
[   13.144764]  ? kasan_complete_mode_report_info+0x64/0x200
[   13.144801]  ? kfree_sensitive+0x2e/0x90
[   13.144821]  kasan_report_invalid_free+0x10a/0x130
[   13.144845]  ? kfree_sensitive+0x2e/0x90
[   13.144866]  ? kfree_sensitive+0x2e/0x90
[   13.144885]  check_slab_allocation+0x101/0x130
[   13.144906]  __kasan_slab_pre_free+0x28/0x40
[   13.144926]  kfree+0xf0/0x3f0
[   13.144947]  ? kfree_sensitive+0x2e/0x90
[   13.144968]  kfree_sensitive+0x2e/0x90
[   13.144987]  kmalloc_double_kzfree+0x19c/0x350
[   13.145010]  ? __pfx_kmalloc_double_kzfree+0x10/0x10
[   13.145034]  ? __schedule+0x10cc/0x2b60
[   13.145055]  ? __pfx_read_tsc+0x10/0x10
[   13.145076]  ? ktime_get_ts64+0x86/0x230
[   13.145100]  kunit_try_run_case+0x1a5/0x480
[   13.145124]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.145146]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   13.145170]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   13.145193]  ? __kthread_parkme+0x82/0x180
[   13.145213]  ? preempt_count_sub+0x50/0x80
[   13.145237]  ? __pfx_kunit_try_run_case+0x10/0x10
[   13.145261]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.145284]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   13.145308]  kthread+0x337/0x6f0
[   13.145326]  ? trace_preempt_on+0x20/0xc0
[   13.145349]  ? __pfx_kthread+0x10/0x10
[   13.145418]  ? _raw_spin_unlock_irq+0x47/0x80
[   13.145441]  ? calculate_sigpending+0x7b/0xa0
[   13.145465]  ? __pfx_kthread+0x10/0x10
[   13.145486]  ret_from_fork+0x116/0x1d0
[   13.145506]  ? __pfx_kthread+0x10/0x10
[   13.145525]  ret_from_fork_asm+0x1a/0x30
[   13.145555]  </TASK>
[   13.145566] 
[   13.154434] Allocated by task 209:
[   13.154588]  kasan_save_stack+0x45/0x70
[   13.154813]  kasan_save_track+0x18/0x40
[   13.155075]  kasan_save_alloc_info+0x3b/0x50
[   13.155288]  __kasan_kmalloc+0xb7/0xc0
[   13.155477]  __kmalloc_cache_noprof+0x189/0x420
[   13.155691]  kmalloc_double_kzfree+0xa9/0x350
[   13.155939]  kunit_try_run_case+0x1a5/0x480
[   13.156117]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.156294]  kthread+0x337/0x6f0
[   13.156414]  ret_from_fork+0x116/0x1d0
[   13.156547]  ret_from_fork_asm+0x1a/0x30
[   13.156758] 
[   13.156921] Freed by task 209:
[   13.157087]  kasan_save_stack+0x45/0x70
[   13.157276]  kasan_save_track+0x18/0x40
[   13.157470]  kasan_save_free_info+0x3f/0x60
[   13.157688]  __kasan_slab_free+0x56/0x70
[   13.158017]  kfree+0x222/0x3f0
[   13.158162]  kfree_sensitive+0x67/0x90
[   13.158329]  kmalloc_double_kzfree+0x12b/0x350
[   13.158528]  kunit_try_run_case+0x1a5/0x480
[   13.158725]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   13.159054]  kthread+0x337/0x6f0
[   13.159218]  ret_from_fork+0x116/0x1d0
[   13.159403]  ret_from_fork_asm+0x1a/0x30
[   13.159577] 
[   13.159673] The buggy address belongs to the object at ffff888102434600
[   13.159673]  which belongs to the cache kmalloc-16 of size 16
[   13.160421] The buggy address is located 0 bytes inside of
[   13.160421]  16-byte region [ffff888102434600, ffff888102434610)
[   13.160974] 
[   13.161059] The buggy address belongs to the physical page:
[   13.161264] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102434
[   13.161605] flags: 0x200000000000000(node=0|zone=2)
[   13.161875] page_type: f5(slab)
[   13.162007] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   13.162236] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   13.162461] page dumped because: kasan: bad access detected
[   13.162647] 
[   13.162717] Memory state around the buggy address:
[   13.162952]  ffff888102434500: fa fb fc fc fa fb fc fc fa fb fc fc 00 05 fc fc
[   13.163484]  ffff888102434580: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   13.163805] >ffff888102434600: fa fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.164114]                    ^
[   13.164311]  ffff888102434680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.164526]  ffff888102434700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   13.164752] ==================================================================