BUG: memory leak unreferenced object 0xffff8881123fbcc0 (size 192): comm "syz-executor238", pid 4085, jiffies 4294944016 (age 14.560s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ backtrace: [] kmalloc_node include/linux/slab.h:599 [inline] [] kzalloc_node include/linux/slab.h:725 [inline] [] create_io_worker+0x46/0x250 fs/io-wq.c:812 [] create_worker_cb+0xd2/0xf0 fs/io-wq.c:331 [] task_work_run+0x73/0xb0 kernel/task_work.c:164 [] tracehook_notify_signal include/linux/tracehook.h:213 [inline] [] io_run_task_work fs/io_uring.c:2595 [inline] [] io_run_task_work fs/io_uring.c:2591 [inline] [] io_run_task_work_sig+0x6d/0x110 fs/io_uring.c:7685 [] io_cqring_wait_schedule fs/io_uring.c:7702 [inline] [] io_cqring_wait fs/io_uring.c:7772 [inline] [] __do_sys_io_uring_enter+0x77d/0xfc0 fs/io_uring.c:10188 [] do_syscall_x64 arch/x86/entry/common.c:50 [inline] [] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 [] entry_SYSCALL_64_after_hwframe+0x44/0xae