[   18.690311] ==================================================================
[   18.691268] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90
[   18.692070] Free of addr ffff8881017113a0 by task kunit_try_catch/212
[   18.692816] 
[   18.693154] CPU: 0 UID: 0 PID: 212 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT(voluntary) 
[   18.693282] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.693318] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   18.693640] Call Trace:
[   18.693736]  <TASK>
[   18.693793]  dump_stack_lvl+0x73/0xb0
[   18.693873]  print_report+0xd1/0x650
[   18.693952]  ? __virt_addr_valid+0x1db/0x2d0
[   18.694024]  ? kasan_complete_mode_report_info+0x64/0x200
[   18.694094]  ? kfree_sensitive+0x2e/0x90
[   18.694167]  kasan_report_invalid_free+0x10a/0x130
[   18.694230]  ? kfree_sensitive+0x2e/0x90
[   18.694264]  ? kfree_sensitive+0x2e/0x90
[   18.694293]  check_slab_allocation+0x101/0x130
[   18.694325]  __kasan_slab_pre_free+0x28/0x40
[   18.694356]  kfree+0xf0/0x3f0
[   18.694383]  ? kfree_sensitive+0x2e/0x90
[   18.694415]  kfree_sensitive+0x2e/0x90
[   18.694567]  kmalloc_double_kzfree+0x19c/0x350
[   18.694634]  ? __pfx_kmalloc_double_kzfree+0x10/0x10
[   18.694698]  ? __schedule+0x10cc/0x2b30
[   18.694757]  ? __pfx_read_tsc+0x10/0x10
[   18.694809]  ? ktime_get_ts64+0x86/0x230
[   18.694873]  kunit_try_run_case+0x1a5/0x480
[   18.694934]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.694987]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   18.695045]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   18.695110]  ? __kthread_parkme+0x82/0x180
[   18.695176]  ? preempt_count_sub+0x50/0x80
[   18.695247]  ? __pfx_kunit_try_run_case+0x10/0x10
[   18.695362]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.695408]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   18.695770]  kthread+0x337/0x6f0
[   18.695811]  ? trace_preempt_on+0x20/0xc0
[   18.695846]  ? __pfx_kthread+0x10/0x10
[   18.695879]  ? _raw_spin_unlock_irq+0x47/0x80
[   18.695912]  ? calculate_sigpending+0x7b/0xa0
[   18.695942]  ? __pfx_kthread+0x10/0x10
[   18.695974]  ret_from_fork+0x41/0x80
[   18.696004]  ? __pfx_kthread+0x10/0x10
[   18.696036]  ret_from_fork_asm+0x1a/0x30
[   18.696078]  </TASK>
[   18.696091] 
[   18.719599] Allocated by task 212:
[   18.720123]  kasan_save_stack+0x45/0x70
[   18.721202]  kasan_save_track+0x18/0x40
[   18.721679]  kasan_save_alloc_info+0x3b/0x50
[   18.722037]  __kasan_kmalloc+0xb7/0xc0
[   18.722424]  __kmalloc_cache_noprof+0x189/0x420
[   18.722905]  kmalloc_double_kzfree+0xa9/0x350
[   18.723278]  kunit_try_run_case+0x1a5/0x480
[   18.724982]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.725850]  kthread+0x337/0x6f0
[   18.726180]  ret_from_fork+0x41/0x80
[   18.726555]  ret_from_fork_asm+0x1a/0x30
[   18.727684] 
[   18.728121] Freed by task 212:
[   18.728262]  kasan_save_stack+0x45/0x70
[   18.728436]  kasan_save_track+0x18/0x40
[   18.729446]  kasan_save_free_info+0x3f/0x60
[   18.729806]  __kasan_slab_free+0x56/0x70
[   18.730661]  kfree+0x222/0x3f0
[   18.731009]  kfree_sensitive+0x67/0x90
[   18.731347]  kmalloc_double_kzfree+0x12b/0x350
[   18.732081]  kunit_try_run_case+0x1a5/0x480
[   18.732421]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   18.733309]  kthread+0x337/0x6f0
[   18.733890]  ret_from_fork+0x41/0x80
[   18.734830]  ret_from_fork_asm+0x1a/0x30
[   18.735769] 
[   18.736355] The buggy address belongs to the object at ffff8881017113a0
[   18.736355]  which belongs to the cache kmalloc-16 of size 16
[   18.737908] The buggy address is located 0 bytes inside of
[   18.737908]  16-byte region [ffff8881017113a0, ffff8881017113b0)
[   18.739222] 
[   18.739411] The buggy address belongs to the physical page:
[   18.740237] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101711
[   18.741856] flags: 0x200000000000000(node=0|zone=2)
[   18.742372] page_type: f5(slab)
[   18.742729] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   18.743301] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   18.744726] page dumped because: kasan: bad access detected
[   18.745052] 
[   18.745231] Memory state around the buggy address:
[   18.746557]  ffff888101711280: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   18.747055]  ffff888101711300: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   18.747905] >ffff888101711380: fa fb fc fc fa fb fc fc fc fc fc fc fc fc fc fc
[   18.748714]                                ^
[   18.749037]  ffff888101711400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.749847]  ffff888101711480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.750490] ==================================================================

[   20.075441] ==================================================================
[   20.076125] BUG: KASAN: double-free in kfree_sensitive+0x3c/0xb0
[   20.076704] Free of addr ffff00000a7446a0 by task kunit_try_catch/250
[   20.077290] 
[   20.077448] CPU: 3 UID: 0 PID: 250 Comm: kunit_try_catch Tainted: G    B            N  6.15.0-rc3 #1 PREEMPT 
[   20.077486] Tainted: [B]=BAD_PAGE, [N]=TEST
[   20.077497] Hardware name: Radxa ROCK Pi 4B (DT)
[   20.077510] Call trace:
[   20.077519]  show_stack+0x20/0x38 (C)
[   20.077546]  dump_stack_lvl+0x8c/0xd0
[   20.077568]  print_report+0x118/0x608
[   20.077591]  kasan_report_invalid_free+0xc0/0xe8
[   20.077614]  check_slab_allocation+0xd4/0x108
[   20.077634]  __kasan_slab_pre_free+0x2c/0x48
[   20.077656]  kfree+0xe8/0x3c8
[   20.077680]  kfree_sensitive+0x3c/0xb0
[   20.077701]  kmalloc_double_kzfree+0x168/0x308
[   20.077728]  kunit_try_run_case+0x170/0x3f0
[   20.077754]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.077782]  kthread+0x328/0x630
[   20.077807]  ret_from_fork+0x10/0x20
[   20.077831] 
[   20.084416] Allocated by task 250:
[   20.084735]  kasan_save_stack+0x3c/0x68
[   20.085097]  kasan_save_track+0x20/0x40
[   20.085457]  kasan_save_alloc_info+0x40/0x58
[   20.085858]  __kasan_kmalloc+0xd4/0xd8
[   20.086212]  __kmalloc_cache_noprof+0x15c/0x3c0
[   20.086639]  kmalloc_double_kzfree+0xb8/0x308
[   20.087049]  kunit_try_run_case+0x170/0x3f0
[   20.087444]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.087953]  kthread+0x328/0x630
[   20.088263]  ret_from_fork+0x10/0x20
[   20.088602] 
[   20.088749] Freed by task 250:
[   20.089034]  kasan_save_stack+0x3c/0x68
[   20.089395]  kasan_save_track+0x20/0x40
[   20.089755]  kasan_save_free_info+0x4c/0x78
[   20.090148]  __kasan_slab_free+0x6c/0x98
[   20.090517]  kfree+0x214/0x3c8
[   20.090812]  kfree_sensitive+0x80/0xb0
[   20.091164]  kmalloc_double_kzfree+0x11c/0x308
[   20.091583]  kunit_try_run_case+0x170/0x3f0
[   20.091976]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   20.092486]  kthread+0x328/0x630
[   20.092795]  ret_from_fork+0x10/0x20
[   20.093133] 
[   20.093280] The buggy address belongs to the object at ffff00000a7446a0
[   20.093280]  which belongs to the cache kmalloc-16 of size 16
[   20.094384] The buggy address is located 0 bytes inside of
[   20.094384]  16-byte region [ffff00000a7446a0, ffff00000a7446b0)
[   20.095412] 
[   20.095560] The buggy address belongs to the physical page:
[   20.096067] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xa744
[   20.096778] flags: 0x3fffe0000000000(node=0|zone=0|lastcpupid=0x1ffff)
[   20.097378] page_type: f5(slab)
[   20.097680] raw: 03fffe0000000000 ffff000000402640 dead000000000122 0000000000000000
[   20.098384] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   20.099083] page dumped because: kasan: bad access detected
[   20.099589] 
[   20.099735] Memory state around the buggy address:
[   20.100174]  ffff00000a744580: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   20.100829]  ffff00000a744600: fa fb fc fc fa fb fc fc 00 05 fc fc fa fb fc fc
[   20.101484] >ffff00000a744680: fa fb fc fc fa fb fc fc fc fc fc fc fc fc fc fc
[   20.102136]                                ^
[   20.102529]  ffff00000a744700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.103184]  ffff00000a744780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   20.103834] ==================================================================