[   24.142088] ==================================================================
[   24.142318] BUG: KFENCE: use-after-free read in kmalloc_uaf2+0x1dc/0x468
[   24.142318] 
[   24.142561] Use-after-free read at 0x0000000085ca8120 (in kfence-#81):
[   24.143506]  kmalloc_uaf2+0x1dc/0x468
[   24.143636]  kunit_try_run_case+0x170/0x3f0
[   24.143910]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.144047]  kthread+0x328/0x630
[   24.144198]  ret_from_fork+0x10/0x20
[   24.144373] 
[   24.144781] kfence-#81: 0x00000000872f2b7d-0x0000000033f75e13, size=43, cache=kmalloc-64
[   24.144781] 
[   24.145467] allocated by task 190 on cpu 0 at 24.138743s (0.006598s ago):
[   24.146896]  kmalloc_uaf2+0xc4/0x468
[   24.148303]  kunit_try_run_case+0x170/0x3f0
[   24.148606]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.148731]  kthread+0x328/0x630
[   24.148833]  ret_from_fork+0x10/0x20
[   24.149027] 
[   24.149264] freed by task 190 on cpu 0 at 24.138875s (0.010249s ago):
[   24.149727]  kmalloc_uaf2+0x134/0x468
[   24.149829]  kunit_try_run_case+0x170/0x3f0
[   24.149934]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   24.150051]  kthread+0x328/0x630
[   24.150140]  ret_from_fork+0x10/0x20
[   24.150311] 
[   24.150484] CPU: 0 UID: 0 PID: 190 Comm: kunit_try_catch Tainted: G    B            N  6.15.4-rc2 #1 PREEMPT 
[   24.150719] Tainted: [B]=BAD_PAGE, [N]=TEST
[   24.150798] Hardware name: linux,dummy-virt (DT)
[   24.150898] ==================================================================