[   25.182331] ==================================================================
[   25.182472] BUG: KASAN: double-free in kfree_sensitive+0x3c/0xb0
[   25.182585] Free of addr fff00000c5ed4d40 by task kunit_try_catch/193
[   25.185547] 
[   25.185632] CPU: 0 UID: 0 PID: 193 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT 
[   25.185844] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.185907] Hardware name: linux,dummy-virt (DT)
[   25.185977] Call trace:
[   25.186037]  show_stack+0x20/0x38 (C)
[   25.186145]  dump_stack_lvl+0x8c/0xd0
[   25.186255]  print_report+0x118/0x608
[   25.186374]  kasan_report_invalid_free+0xc0/0xe8
[   25.186487]  check_slab_allocation+0xd4/0x108
[   25.186605]  __kasan_slab_pre_free+0x2c/0x48
[   25.189143]  kfree+0xe8/0x3c8
[   25.189671]  kfree_sensitive+0x3c/0xb0
[   25.190547]  kmalloc_double_kzfree+0x168/0x308
[   25.190817]  kunit_try_run_case+0x170/0x3f0
[   25.190929]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.191051]  kthread+0x328/0x630
[   25.191162]  ret_from_fork+0x10/0x20
[   25.191485] 
[   25.191540] Allocated by task 193:
[   25.191923]  kasan_save_stack+0x3c/0x68
[   25.192249]  kasan_save_track+0x20/0x40
[   25.193261]  kasan_save_alloc_info+0x40/0x58
[   25.193377]  __kasan_kmalloc+0xd4/0xd8
[   25.193467]  __kmalloc_cache_noprof+0x15c/0x3c0
[   25.193565]  kmalloc_double_kzfree+0xb8/0x308
[   25.193658]  kunit_try_run_case+0x170/0x3f0
[   25.193771]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.193872]  kthread+0x328/0x630
[   25.193954]  ret_from_fork+0x10/0x20
[   25.194037] 
[   25.194084] Freed by task 193:
[   25.194143]  kasan_save_stack+0x3c/0x68
[   25.194243]  kasan_save_track+0x20/0x40
[   25.194339]  kasan_save_free_info+0x4c/0x78
[   25.194450]  __kasan_slab_free+0x6c/0x98
[   25.194570]  kfree+0x214/0x3c8
[   25.195501]  kfree_sensitive+0x80/0xb0
[   25.195619]  kmalloc_double_kzfree+0x11c/0x308
[   25.195814]  kunit_try_run_case+0x170/0x3f0
[   25.195964]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   25.196081]  kthread+0x328/0x630
[   25.196167]  ret_from_fork+0x10/0x20
[   25.196274] 
[   25.196382] The buggy address belongs to the object at fff00000c5ed4d40
[   25.196382]  which belongs to the cache kmalloc-16 of size 16
[   25.196656] The buggy address is located 0 bytes inside of
[   25.196656]  16-byte region [fff00000c5ed4d40, fff00000c5ed4d50)
[   25.197097] 
[   25.197312] The buggy address belongs to the physical page:
[   25.197661] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x105ed4
[   25.197806] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   25.197923] page_type: f5(slab)
[   25.198215] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000
[   25.199652] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   25.199787] page dumped because: kasan: bad access detected
[   25.199898] 
[   25.200023] Memory state around the buggy address:
[   25.200256]  fff00000c5ed4c00: fa fb fc fc fa fb fc fc fa fb fc fc 00 04 fc fc
[   25.200867]  fff00000c5ed4c80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   25.201007] >fff00000c5ed4d00: fa fb fc fc fa fb fc fc fa fb fc fc fc fc fc fc
[   25.201113]                                            ^
[   25.201856]  fff00000c5ed4d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.202182]  fff00000c5ed4e00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.202734] ==================================================================

[   18.797535] ==================================================================
[   18.799308] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90
[   18.799773] Free of addr ffff888102b0a0e0 by task kunit_try_catch/209
[   18.801143] 
[   18.801434] CPU: 0 UID: 0 PID: 209 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-next-20250530 #1 PREEMPT(voluntary) 
[   18.801561] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.801662] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.801700] Call Trace:
[   18.801730]  <TASK>
[   18.801794]  dump_stack_lvl+0x73/0xb0
[   18.801847]  print_report+0xd1/0x650
[   18.801881]  ? __virt_addr_valid+0x1db/0x2d0
[   18.801915]  ? kasan_complete_mode_report_info+0x64/0x200
[   18.801946]  ? kfree_sensitive+0x2e/0x90
[   18.801975]  kasan_report_invalid_free+0x10a/0x130
[   18.802034]  ? kfree_sensitive+0x2e/0x90
[   18.802069]  ? kfree_sensitive+0x2e/0x90
[   18.802097]  check_slab_allocation+0x101/0x130
[   18.802128]  __kasan_slab_pre_free+0x28/0x40
[   18.802158]  kfree+0xf0/0x3f0
[   18.802183]  ? kfree_sensitive+0x2e/0x90
[   18.802213]  kfree_sensitive+0x2e/0x90
[   18.802241]  kmalloc_double_kzfree+0x19c/0x350
[   18.802273]  ? __pfx_kmalloc_double_kzfree+0x10/0x10
[   18.802318]  ? __schedule+0x10cc/0x2b60
[   18.802352]  ? __pfx_read_tsc+0x10/0x10
[   18.802382]  ? ktime_get_ts64+0x86/0x230
[   18.802415]  kunit_try_run_case+0x1a5/0x480
[   18.802444]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.802470]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   18.802505]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   18.802745]  ? __kthread_parkme+0x82/0x180
[   18.802800]  ? preempt_count_sub+0x50/0x80
[   18.802835]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.802864]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.802901]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   18.802936]  kthread+0x337/0x6f0
[   18.802964]  ? trace_preempt_on+0x20/0xc0
[   18.802996]  ? __pfx_kthread+0x10/0x10
[   18.803051]  ? _raw_spin_unlock_irq+0x47/0x80
[   18.803084]  ? calculate_sigpending+0x7b/0xa0
[   18.803119]  ? __pfx_kthread+0x10/0x10
[   18.803148]  ret_from_fork+0x116/0x1d0
[   18.803261]  ? __pfx_kthread+0x10/0x10
[   18.803299]  ret_from_fork_asm+0x1a/0x30
[   18.803343]  </TASK>
[   18.803357] 
[   18.828961] Allocated by task 209:
[   18.829314]  kasan_save_stack+0x45/0x70
[   18.829701]  kasan_save_track+0x18/0x40
[   18.830543]  kasan_save_alloc_info+0x3b/0x50
[   18.831039]  __kasan_kmalloc+0xb7/0xc0
[   18.831974]  __kmalloc_cache_noprof+0x189/0x420
[   18.832674]  kmalloc_double_kzfree+0xa9/0x350
[   18.833322]  kunit_try_run_case+0x1a5/0x480
[   18.833753]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.834669]  kthread+0x337/0x6f0
[   18.835301]  ret_from_fork+0x116/0x1d0
[   18.835669]  ret_from_fork_asm+0x1a/0x30
[   18.836094] 
[   18.836407] Freed by task 209:
[   18.837502]  kasan_save_stack+0x45/0x70
[   18.838118]  kasan_save_track+0x18/0x40
[   18.838694]  kasan_save_free_info+0x3f/0x60
[   18.839746]  __kasan_slab_free+0x56/0x70
[   18.840218]  kfree+0x222/0x3f0
[   18.840611]  kfree_sensitive+0x67/0x90
[   18.841561]  kmalloc_double_kzfree+0x12b/0x350
[   18.842191]  kunit_try_run_case+0x1a5/0x480
[   18.842525]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.843336]  kthread+0x337/0x6f0
[   18.844126]  ret_from_fork+0x116/0x1d0
[   18.844626]  ret_from_fork_asm+0x1a/0x30
[   18.845488] 
[   18.845906] The buggy address belongs to the object at ffff888102b0a0e0
[   18.845906]  which belongs to the cache kmalloc-16 of size 16
[   18.847709] The buggy address is located 0 bytes inside of
[   18.847709]  16-byte region [ffff888102b0a0e0, ffff888102b0a0f0)
[   18.848584] 
[   18.848826] The buggy address belongs to the physical page:
[   18.849858] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102b0a
[   18.850650] flags: 0x200000000000000(node=0|zone=2)
[   18.851496] page_type: f5(slab)
[   18.851868] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   18.853038] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   18.853943] page dumped because: kasan: bad access detected
[   18.854541] 
[   18.855487] Memory state around the buggy address:
[   18.855866]  ffff888102b09f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.856545]  ffff888102b0a000: 00 02 fc fc 00 02 fc fc 00 02 fc fc 00 02 fc fc
[   18.857211] >ffff888102b0a080: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   18.857713]                                                        ^
[   18.859695]  ffff888102b0a100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.860223]  ffff888102b0a180: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.861052] ==================================================================