[   18.497996] ==================================================================
[   18.498168] BUG: KFENCE: use-after-free write in __memset+0xc/0x20
[   18.498168] 
[   18.498424] Use-after-free write at 0x00000000f886693e (in kfence-#62):
[   18.498717]  __memset+0xc/0x20
[   18.498796]  kmalloc_uaf_memset+0x170/0x310
[   18.498869]  kunit_try_run_case+0x170/0x3f0
[   18.498920]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.498992]  kthread+0x328/0x630
[   18.499079]  ret_from_fork+0x10/0x20
[   18.499146] 
[   18.499220] kfence-#62: 0x00000000f886693e-0x0000000097398d73, size=33, cache=kmalloc-64
[   18.499220] 
[   18.499375] allocated by task 187 on cpu 1 at 18.496273s (0.003057s ago):
[   18.499511]  kmalloc_uaf_memset+0xb8/0x310
[   18.499552]  kunit_try_run_case+0x170/0x3f0
[   18.499595]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.499938]  kthread+0x328/0x630
[   18.500010]  ret_from_fork+0x10/0x20
[   18.500107] 
[   18.500154] freed by task 187 on cpu 1 at 18.496371s (0.003779s ago):
[   18.500254]  kmalloc_uaf_memset+0x11c/0x310
[   18.500317]  kunit_try_run_case+0x170/0x3f0
[   18.500491]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   18.500712]  kthread+0x328/0x630
[   18.500841]  ret_from_fork+0x10/0x20
[   18.500912] 
[   18.501028] CPU: 1 UID: 0 PID: 187 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc4 #1 PREEMPT 
[   18.501209] Tainted: [B]=BAD_PAGE, [N]=TEST
[   18.501314] Hardware name: linux,dummy-virt (DT)
[   18.501362] ==================================================================