[   15.593289] ==================================================================
[   15.593585] BUG: KFENCE: use-after-free read in workqueue_uaf+0x270/0x4a8
[   15.593585] 
[   15.593786] Use-after-free read at 0x00000000b0101e7f (in kfence-#56):
[   15.594118]  workqueue_uaf+0x270/0x4a8
[   15.594200]  kunit_try_run_case+0x170/0x3f0
[   15.594249]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.594295]  kthread+0x328/0x630
[   15.594351]  ret_from_fork+0x10/0x20
[   15.594394] 
[   15.595174] kfence-#56: 0x00000000b0101e7f-0x000000000d206ab9, size=32, cache=kmalloc-32
[   15.595174] 
[   15.595725] allocated by task 201 on cpu 1 at 15.590363s (0.005221s ago):
[   15.596684]  workqueue_uaf+0x13c/0x4a8
[   15.597050]  kunit_try_run_case+0x170/0x3f0
[   15.597194]  kunit_generic_run_threadfn_adapter+0x88/0x100
[   15.597289]  kthread+0x328/0x630
[   15.597405]  ret_from_fork+0x10/0x20
[   15.597504] 
[   15.597618] freed by task 24 on cpu 1 at 15.590629s (0.006916s ago):
[   15.597760]  workqueue_uaf_work+0x18/0x30
[   15.597802]  process_one_work+0x530/0xf98
[   15.598049]  worker_thread+0x618/0xf38
[   15.598139]  kthread+0x328/0x630
[   15.598268]  ret_from_fork+0x10/0x20
[   15.598423] 
[   15.598543] CPU: 1 UID: 0 PID: 201 Comm: kunit_try_catch Tainted: G    B            N  6.16.0-rc6 #1 PREEMPT 
[   15.598693] Tainted: [B]=BAD_PAGE, [N]=TEST
[   15.598772] Hardware name: linux,dummy-virt (DT)
[   15.598811] ==================================================================