[   30.779430] ==================================================================
[   30.779529] BUG: KASAN: double-free in kfree_sensitive+0x3c/0xb0
[   30.779922] Free of addr fff00000c648e3e0 by task kunit_try_catch/224
[   30.779969] 
[   30.780270] CPU: 0 UID: 0 PID: 224 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250715 #1 PREEMPT 
[   30.780361] Tainted: [B]=BAD_PAGE, [N]=TEST
[   30.780388] Hardware name: linux,dummy-virt (DT)
[   30.780419] Call trace:
[   30.780454]  show_stack+0x20/0x38 (C)
[   30.781394]  dump_stack_lvl+0x8c/0xd0
[   30.781965]  print_report+0x118/0x5d0
[   30.782019]  kasan_report_invalid_free+0xc0/0xe8
[   30.782185]  check_slab_allocation+0xd4/0x108
[   30.782265]  __kasan_slab_pre_free+0x2c/0x48
[   30.782382]  kfree+0xe8/0x3c8
[   30.782429]  kfree_sensitive+0x3c/0xb0
[   30.782510]  kmalloc_double_kzfree+0x168/0x308
[   30.782561]  kunit_try_run_case+0x170/0x3f0
[   30.782863]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.783074]  kthread+0x328/0x630
[   30.783164]  ret_from_fork+0x10/0x20
[   30.783215] 
[   30.783618] Allocated by task 224:
[   30.783691]  kasan_save_stack+0x3c/0x68
[   30.783769]  kasan_save_track+0x20/0x40
[   30.784064]  kasan_save_alloc_info+0x40/0x58
[   30.784110]  __kasan_kmalloc+0xd4/0xd8
[   30.784302]  __kmalloc_cache_noprof+0x16c/0x3c0
[   30.784870]  kmalloc_double_kzfree+0xb8/0x308
[   30.785498]  kunit_try_run_case+0x170/0x3f0
[   30.785728]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.786071]  kthread+0x328/0x630
[   30.786176]  ret_from_fork+0x10/0x20
[   30.786279] 
[   30.786341] Freed by task 224:
[   30.786370]  kasan_save_stack+0x3c/0x68
[   30.786661]  kasan_save_track+0x20/0x40
[   30.786759]  kasan_save_free_info+0x4c/0x78
[   30.786859]  __kasan_slab_free+0x6c/0x98
[   30.787171]  kfree+0x214/0x3c8
[   30.787400]  kfree_sensitive+0x80/0xb0
[   30.787743]  kmalloc_double_kzfree+0x11c/0x308
[   30.787935]  kunit_try_run_case+0x170/0x3f0
[   30.788023]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   30.788256]  kthread+0x328/0x630
[   30.788296]  ret_from_fork+0x10/0x20
[   30.788569] 
[   30.788745] The buggy address belongs to the object at fff00000c648e3e0
[   30.788745]  which belongs to the cache kmalloc-16 of size 16
[   30.788955] The buggy address is located 0 bytes inside of
[   30.788955]  16-byte region [fff00000c648e3e0, fff00000c648e3f0)
[   30.789014] 
[   30.789451] The buggy address belongs to the physical page:
[   30.789617] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10648e
[   30.789684] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   30.789734] page_type: f5(slab)
[   30.789932] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000
[   30.790567] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   30.790751] page dumped because: kasan: bad access detected
[   30.790811] 
[   30.791018] Memory state around the buggy address:
[   30.791086]  fff00000c648e280: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   30.791134]  fff00000c648e300: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   30.791177] >fff00000c648e380: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   30.791608]                                                        ^
[   30.791765]  fff00000c648e400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.791812]  fff00000c648e480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   30.791852] ==================================================================

[   24.416767] ==================================================================
[   24.417127] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90
[   24.417813] Free of addr ffff888104884660 by task kunit_try_catch/240
[   24.418092] 
[   24.418219] CPU: 1 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6-next-20250715 #1 PREEMPT(voluntary) 
[   24.418265] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.418277] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   24.418296] Call Trace:
[   24.418313]  <TASK>
[   24.418328]  dump_stack_lvl+0x73/0xb0
[   24.418355]  print_report+0xd1/0x610
[   24.418377]  ? __virt_addr_valid+0x1db/0x2d0
[   24.418422]  ? kasan_complete_mode_report_info+0x64/0x200
[   24.418448]  ? kfree_sensitive+0x2e/0x90
[   24.418472]  kasan_report_invalid_free+0x10a/0x130
[   24.418497]  ? kfree_sensitive+0x2e/0x90
[   24.418528]  ? kfree_sensitive+0x2e/0x90
[   24.418547]  check_slab_allocation+0x101/0x130
[   24.418662]  __kasan_slab_pre_free+0x28/0x40
[   24.418688]  kfree+0xf0/0x3f0
[   24.418710]  ? kfree_sensitive+0x2e/0x90
[   24.418734]  kfree_sensitive+0x2e/0x90
[   24.418754]  kmalloc_double_kzfree+0x19c/0x350
[   24.418776]  ? __pfx_kmalloc_double_kzfree+0x10/0x10
[   24.418800]  ? __schedule+0x10cc/0x2b60
[   24.418842]  ? __pfx_read_tsc+0x10/0x10
[   24.418863]  ? ktime_get_ts64+0x86/0x230
[   24.418887]  kunit_try_run_case+0x1a5/0x480
[   24.418911]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.418932]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   24.418953]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   24.418975]  ? __kthread_parkme+0x82/0x180
[   24.419010]  ? preempt_count_sub+0x50/0x80
[   24.419033]  ? __pfx_kunit_try_run_case+0x10/0x10
[   24.419055]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.419081]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   24.419106]  kthread+0x337/0x6f0
[   24.419125]  ? trace_preempt_on+0x20/0xc0
[   24.419147]  ? __pfx_kthread+0x10/0x10
[   24.419167]  ? _raw_spin_unlock_irq+0x47/0x80
[   24.419191]  ? calculate_sigpending+0x7b/0xa0
[   24.419214]  ? __pfx_kthread+0x10/0x10
[   24.419235]  ret_from_fork+0x116/0x1d0
[   24.419253]  ? __pfx_kthread+0x10/0x10
[   24.419273]  ret_from_fork_asm+0x1a/0x30
[   24.419305]  </TASK>
[   24.419315] 
[   24.427512] Allocated by task 240:
[   24.427767]  kasan_save_stack+0x45/0x70
[   24.427960]  kasan_save_track+0x18/0x40
[   24.428110]  kasan_save_alloc_info+0x3b/0x50
[   24.428315]  __kasan_kmalloc+0xb7/0xc0
[   24.428458]  __kmalloc_cache_noprof+0x189/0x420
[   24.428665]  kmalloc_double_kzfree+0xa9/0x350
[   24.428868]  kunit_try_run_case+0x1a5/0x480
[   24.429020]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.429190]  kthread+0x337/0x6f0
[   24.429305]  ret_from_fork+0x116/0x1d0
[   24.429485]  ret_from_fork_asm+0x1a/0x30
[   24.429803] 
[   24.429899] Freed by task 240:
[   24.430046]  kasan_save_stack+0x45/0x70
[   24.430237]  kasan_save_track+0x18/0x40
[   24.430418]  kasan_save_free_info+0x3f/0x60
[   24.430692]  __kasan_slab_free+0x56/0x70
[   24.430834]  kfree+0x222/0x3f0
[   24.430946]  kfree_sensitive+0x67/0x90
[   24.431164]  kmalloc_double_kzfree+0x12b/0x350
[   24.431379]  kunit_try_run_case+0x1a5/0x480
[   24.431890]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   24.432161]  kthread+0x337/0x6f0
[   24.432307]  ret_from_fork+0x116/0x1d0
[   24.432433]  ret_from_fork_asm+0x1a/0x30
[   24.432723] 
[   24.432840] The buggy address belongs to the object at ffff888104884660
[   24.432840]  which belongs to the cache kmalloc-16 of size 16
[   24.433421] The buggy address is located 0 bytes inside of
[   24.433421]  16-byte region [ffff888104884660, ffff888104884670)
[   24.434004] 
[   24.434100] The buggy address belongs to the physical page:
[   24.434339] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104884
[   24.434775] flags: 0x200000000000000(node=0|zone=2)
[   24.434998] page_type: f5(slab)
[   24.435160] raw: 0200000000000000 ffff888100041640 dead000000000100 dead000000000122
[   24.435469] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   24.435778] page dumped because: kasan: bad access detected
[   24.436050] 
[   24.436139] Memory state around the buggy address:
[   24.436381]  ffff888104884500: 00 06 fc fc 00 06 fc fc 00 06 fc fc 00 00 fc fc
[   24.436871]  ffff888104884580: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   24.437191] >ffff888104884600: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   24.437509]                                                        ^
[   24.437880]  ffff888104884680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.438208]  ffff888104884700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   24.438532] ==================================================================