[   18.202008] ==================================================================
[   18.202079] BUG: KASAN: double-free in kfree_sensitive+0x3c/0xb0
[   18.202249] Free of addr fff00000c59e5600 by task kunit_try_catch/194
[   18.202304] 
[   18.202333] CPU: 0 UID: 0 PID: 194 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT 
[   18.202419] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.202447] Hardware name: linux,dummy-virt (DT)
[   18.202481] Call trace:
[   18.202523]  show_stack+0x20/0x38 (C)
[   18.202575]  dump_stack_lvl+0x8c/0xd0
[   18.202631]  print_report+0x118/0x608
[   18.202676]  kasan_report_invalid_free+0xc0/0xe8
[   18.202730]  check_slab_allocation+0xd4/0x108
[   18.202785]  __kasan_slab_pre_free+0x2c/0x48
[   18.202840]  kfree+0xe8/0x3c8
[   18.202893]  kfree_sensitive+0x3c/0xb0
[   18.202938]  kmalloc_double_kzfree+0x168/0x308
[   18.202986]  kunit_try_run_case+0x170/0x3f0
[   18.203040]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.203092]  kthread+0x328/0x630
[   18.203157]  ret_from_fork+0x10/0x20
[   18.203204] 
[   18.203221] Allocated by task 194:
[   18.203249]  kasan_save_stack+0x3c/0x68
[   18.203288]  kasan_save_track+0x20/0x40
[   18.203323]  kasan_save_alloc_info+0x40/0x58
[   18.203363]  __kasan_kmalloc+0xd4/0xd8
[   18.203398]  __kmalloc_cache_noprof+0x16c/0x3c0
[   18.203435]  kmalloc_double_kzfree+0xb8/0x308
[   18.203476]  kunit_try_run_case+0x170/0x3f0
[   18.203513]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.203567]  kthread+0x328/0x630
[   18.203609]  ret_from_fork+0x10/0x20
[   18.203647] 
[   18.203664] Freed by task 194:
[   18.203696]  kasan_save_stack+0x3c/0x68
[   18.203731]  kasan_save_track+0x20/0x40
[   18.203766]  kasan_save_free_info+0x4c/0x78
[   18.203804]  __kasan_slab_free+0x6c/0x98
[   18.203848]  kfree+0x214/0x3c8
[   18.204676]  kfree_sensitive+0x80/0xb0
[   18.204751]  kmalloc_double_kzfree+0x11c/0x308
[   18.204812]  kunit_try_run_case+0x170/0x3f0
[   18.204912]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.205219]  kthread+0x328/0x630
[   18.205288]  ret_from_fork+0x10/0x20
[   18.205325] 
[   18.205590] The buggy address belongs to the object at fff00000c59e5600
[   18.205590]  which belongs to the cache kmalloc-16 of size 16
[   18.205757] The buggy address is located 0 bytes inside of
[   18.205757]  16-byte region [fff00000c59e5600, fff00000c59e5610)
[   18.205866] 
[   18.205886] The buggy address belongs to the physical page:
[   18.206146] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1059e5
[   18.206238] flags: 0xbfffe0000000000(node=0|zone=2|lastcpupid=0x1ffff)
[   18.206386] page_type: f5(slab)
[   18.206596] raw: 0bfffe0000000000 fff00000c0001640 dead000000000122 0000000000000000
[   18.206832] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   18.207029] page dumped because: kasan: bad access detected
[   18.207236] 
[   18.207285] Memory state around the buggy address:
[   18.207336]  fff00000c59e5500: fa fb fc fc 00 04 fc fc fa fb fc fc fa fb fc fc
[   18.207769]  fff00000c59e5580: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   18.207819] >fff00000c59e5600: fa fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.208155]                    ^
[   18.208228]  fff00000c59e5680: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.208351]  fff00000c59e5700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   18.208395] ==================================================================

[   11.289141] ==================================================================
[   11.289512] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90
[   11.289869] Free of addr ffff8881025a7fc0 by task kunit_try_catch/211
[   11.290083] 
[   11.290203] CPU: 1 UID: 0 PID: 211 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc3 #1 PREEMPT(voluntary) 
[   11.290250] Tainted: [B]=BAD_PAGE, [N]=TEST
[   11.290261] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   11.290283] Call Trace:
[   11.290303]  <TASK>
[   11.290321]  dump_stack_lvl+0x73/0xb0
[   11.290346]  print_report+0xd1/0x650
[   11.290369]  ? __virt_addr_valid+0x1db/0x2d0
[   11.290391]  ? kasan_complete_mode_report_info+0x64/0x200
[   11.290412]  ? kfree_sensitive+0x2e/0x90
[   11.290434]  kasan_report_invalid_free+0x10a/0x130
[   11.290458]  ? kfree_sensitive+0x2e/0x90
[   11.290479]  ? kfree_sensitive+0x2e/0x90
[   11.290499]  check_slab_allocation+0x101/0x130
[   11.290520]  __kasan_slab_pre_free+0x28/0x40
[   11.290540]  kfree+0xf0/0x3f0
[   11.290559]  ? kfree_sensitive+0x2e/0x90
[   11.290581]  kfree_sensitive+0x2e/0x90
[   11.290601]  kmalloc_double_kzfree+0x19c/0x350
[   11.290620]  ? __pfx_kmalloc_double_kzfree+0x10/0x10
[   11.290639]  ? __schedule+0x10cc/0x2b60
[   11.290662]  ? __pfx_read_tsc+0x10/0x10
[   11.290681]  ? ktime_get_ts64+0x86/0x230
[   11.290706]  kunit_try_run_case+0x1a5/0x480
[   11.290731]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.290752]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   11.290776]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   11.290799]  ? __kthread_parkme+0x82/0x180
[   11.290820]  ? preempt_count_sub+0x50/0x80
[   11.290846]  ? __pfx_kunit_try_run_case+0x10/0x10
[   11.290870]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.290892]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   11.290914]  kthread+0x337/0x6f0
[   11.290941]  ? trace_preempt_on+0x20/0xc0
[   11.290964]  ? __pfx_kthread+0x10/0x10
[   11.290981]  ? _raw_spin_unlock_irq+0x47/0x80
[   11.291002]  ? calculate_sigpending+0x7b/0xa0
[   11.291023]  ? __pfx_kthread+0x10/0x10
[   11.291041]  ret_from_fork+0x41/0x80
[   11.291062]  ? __pfx_kthread+0x10/0x10
[   11.291079]  ret_from_fork_asm+0x1a/0x30
[   11.291108]  </TASK>
[   11.291119] 
[   11.298501] Allocated by task 211:
[   11.298809]  kasan_save_stack+0x45/0x70
[   11.299047]  kasan_save_track+0x18/0x40
[   11.299235]  kasan_save_alloc_info+0x3b/0x50
[   11.299437]  __kasan_kmalloc+0xb7/0xc0
[   11.299720]  __kmalloc_cache_noprof+0x189/0x420
[   11.300038]  kmalloc_double_kzfree+0xa9/0x350
[   11.300237]  kunit_try_run_case+0x1a5/0x480
[   11.300478]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.300785]  kthread+0x337/0x6f0
[   11.300954]  ret_from_fork+0x41/0x80
[   11.301142]  ret_from_fork_asm+0x1a/0x30
[   11.301309] 
[   11.301403] Freed by task 211:
[   11.301541]  kasan_save_stack+0x45/0x70
[   11.301716]  kasan_save_track+0x18/0x40
[   11.302024]  kasan_save_free_info+0x3f/0x60
[   11.302202]  __kasan_slab_free+0x56/0x70
[   11.302369]  kfree+0x222/0x3f0
[   11.302483]  kfree_sensitive+0x67/0x90
[   11.302647]  kmalloc_double_kzfree+0x12b/0x350
[   11.302877]  kunit_try_run_case+0x1a5/0x480
[   11.303153]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   11.303398]  kthread+0x337/0x6f0
[   11.303544]  ret_from_fork+0x41/0x80
[   11.303714]  ret_from_fork_asm+0x1a/0x30
[   11.303889] 
[   11.303967] The buggy address belongs to the object at ffff8881025a7fc0
[   11.303967]  which belongs to the cache kmalloc-16 of size 16
[   11.304429] The buggy address is located 0 bytes inside of
[   11.304429]  16-byte region [ffff8881025a7fc0, ffff8881025a7fd0)
[   11.304865] 
[   11.304964] The buggy address belongs to the physical page:
[   11.305233] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1025a7
[   11.305471] flags: 0x200000000000000(node=0|zone=2)
[   11.305634] page_type: f5(slab)
[   11.305882] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   11.306230] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   11.306571] page dumped because: kasan: bad access detected
[   11.306783] 
[   11.306851] Memory state around the buggy address:
[   11.307017]  ffff8881025a7e80: 00 06 fc fc 00 06 fc fc 00 00 fc fc fa fb fc fc
[   11.307229]  ffff8881025a7f00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   11.307442] >ffff8881025a7f80: fa fb fc fc fa fb fc fc fa fb fc fc fc fc fc fc
[   11.307652]                                            ^
[   11.307816]  ffff8881025a8000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.308264]  ffff8881025a8080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[   11.308693] ==================================================================