[   25.485176] ==================================================================
[   25.485613] BUG: KASAN: double-free in kfree_sensitive+0x2e/0x90
[   25.485857] Free of addr ffff888104919c60 by task kunit_try_catch/240
[   25.486156] 
[   25.486264] CPU: 0 UID: 0 PID: 240 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc7-next-20250722 #1 PREEMPT(voluntary) 
[   25.486309] Tainted: [B]=BAD_PAGE, [N]=TEST
[   25.486321] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[   25.486363] Call Trace:
[   25.486376]  <TASK>
[   25.486390]  dump_stack_lvl+0x73/0xb0
[   25.486417]  print_report+0xd1/0x640
[   25.486441]  ? __virt_addr_valid+0x1db/0x2d0
[   25.486482]  ? kasan_complete_mode_report_info+0x64/0x200
[   25.486507]  ? kfree_sensitive+0x2e/0x90
[   25.486528]  kasan_report_invalid_free+0x10a/0x130
[   25.486610]  ? kfree_sensitive+0x2e/0x90
[   25.486635]  ? kfree_sensitive+0x2e/0x90
[   25.486655]  check_slab_allocation+0x101/0x130
[   25.486677]  __kasan_slab_pre_free+0x28/0x40
[   25.486699]  kfree+0xf0/0x3f0
[   25.486720]  ? kfree_sensitive+0x2e/0x90
[   25.486764]  kfree_sensitive+0x2e/0x90
[   25.486784]  kmalloc_double_kzfree+0x19c/0x350
[   25.486808]  ? __pfx_kmalloc_double_kzfree+0x10/0x10
[   25.486842]  ? __schedule+0x10da/0x2b60
[   25.486867]  ? __pfx_read_tsc+0x10/0x10
[   25.486889]  ? ktime_get_ts64+0x86/0x230
[   25.486913]  kunit_try_run_case+0x1a5/0x480
[   25.486957]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.486980]  ? _raw_spin_lock_irqsave+0xa1/0x100
[   25.487004]  ? _raw_spin_unlock_irqrestore+0x5f/0x90
[   25.487029]  ? __kthread_parkme+0x82/0x180
[   25.487049]  ? preempt_count_sub+0x50/0x80
[   25.487072]  ? __pfx_kunit_try_run_case+0x10/0x10
[   25.487095]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.487119]  ? __pfx_kunit_generic_run_threadfn_adapter+0x10/0x10
[   25.487142]  kthread+0x337/0x6f0
[   25.487162]  ? trace_preempt_on+0x20/0xc0
[   25.487194]  ? __pfx_kthread+0x10/0x10
[   25.487215]  ? _raw_spin_unlock_irq+0x47/0x80
[   25.487238]  ? calculate_sigpending+0x7b/0xa0
[   25.487261]  ? __pfx_kthread+0x10/0x10
[   25.487282]  ret_from_fork+0x116/0x1d0
[   25.487302]  ? __pfx_kthread+0x10/0x10
[   25.487323]  ret_from_fork_asm+0x1a/0x30
[   25.487354]  </TASK>
[   25.487365] 
[   25.495371] Allocated by task 240:
[   25.495744]  kasan_save_stack+0x45/0x70
[   25.495987]  kasan_save_track+0x18/0x40
[   25.496201]  kasan_save_alloc_info+0x3b/0x50
[   25.496406]  __kasan_kmalloc+0xb7/0xc0
[   25.496685]  __kmalloc_cache_noprof+0x189/0x420
[   25.496859]  kmalloc_double_kzfree+0xa9/0x350
[   25.497016]  kunit_try_run_case+0x1a5/0x480
[   25.497288]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.497851]  kthread+0x337/0x6f0
[   25.498041]  ret_from_fork+0x116/0x1d0
[   25.498268]  ret_from_fork_asm+0x1a/0x30
[   25.498470] 
[   25.498541] Freed by task 240:
[   25.498859]  kasan_save_stack+0x45/0x70
[   25.499013]  kasan_save_track+0x18/0x40
[   25.499150]  kasan_save_free_info+0x3f/0x60
[   25.499386]  __kasan_slab_free+0x56/0x70
[   25.499578]  kfree+0x222/0x3f0
[   25.499839]  kfree_sensitive+0x67/0x90
[   25.500035]  kmalloc_double_kzfree+0x12b/0x350
[   25.500259]  kunit_try_run_case+0x1a5/0x480
[   25.500472]  kunit_generic_run_threadfn_adapter+0x85/0xf0
[   25.500871]  kthread+0x337/0x6f0
[   25.501038]  ret_from_fork+0x116/0x1d0
[   25.501249]  ret_from_fork_asm+0x1a/0x30
[   25.501434] 
[   25.501586] The buggy address belongs to the object at ffff888104919c60
[   25.501586]  which belongs to the cache kmalloc-16 of size 16
[   25.502077] The buggy address is located 0 bytes inside of
[   25.502077]  16-byte region [ffff888104919c60, ffff888104919c70)
[   25.502746] 
[   25.502837] The buggy address belongs to the physical page:
[   25.503038] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x104919
[   25.503668] flags: 0x200000000000000(node=0|zone=2)
[   25.503894] page_type: f5(slab)
[   25.504018] raw: 0200000000000000 ffff888100041640 dead000000000122 0000000000000000
[   25.504510] raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
[   25.504817] page dumped because: kasan: bad access detected
[   25.505012] 
[   25.505080] Memory state around the buggy address:
[   25.505236]  ffff888104919b00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   25.505538]  ffff888104919b80: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   25.505864] >ffff888104919c00: fa fb fc fc fa fb fc fc fa fb fc fc fa fb fc fc
[   25.506176]                                                        ^
[   25.506565]  ffff888104919c80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.506780]  ffff888104919d00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[   25.507208] ==================================================================