executing program BUG: memory leak unreferenced object 0xffffc900003f5000 (size 4096): comm "syz-executor410", pid 3597, jiffies 4294945449 (age 13.410s) hex dump (first 32 bytes): 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 00 ................ backtrace: [] __vmalloc_node_range+0xb40/0xbd0 mm/vmalloc.c:3195 [] __vmalloc_node mm/vmalloc.c:3232 [inline] [] __vmalloc+0x49/0x50 mm/vmalloc.c:3246 [] __vmalloc_array mm/util.c:671 [inline] [] __vcalloc+0x49/0x70 mm/util.c:694 [] kvm_alloc_dirty_bitmap arch/x86/kvm/../../../virt/kvm/kvm_main.c:1319 [inline] [] kvm_prepare_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1551 [inline] [] kvm_set_memslot+0x1bd/0x690 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1782 [] __kvm_set_memory_region+0x689/0x750 arch/x86/kvm/../../../virt/kvm/kvm_main.c:1949 [] kvm_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1962 [inline] [] kvm_vm_ioctl_set_memory_region arch/x86/kvm/../../../virt/kvm/kvm_main.c:1974 [inline] [] kvm_vm_ioctl+0x377/0x13a0 arch/x86/kvm/../../../virt/kvm/kvm_main.c:4528 [] vfs_ioctl fs/ioctl.c:51 [inline] [] __do_sys_ioctl fs/ioctl.c:870 [inline] [] __se_sys_ioctl fs/ioctl.c:856 [inline] [] __x64_sys_ioctl+0xfc/0x140 fs/ioctl.c:856 [] 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