Okay, I'm trying to figure out whether this bug report about QEMU is user-mode or system-mode related. The issue mentioned is that block/curl.c uses features deprecated in curl 7.55.0 and 7.85.0. First, I need to understand what block/curl.c does in QEMU. From what I know, QEMU has two main modes: user mode and system mode. User mode emulates an entire system where applications run within the emulator without needing hardware assistance. System mode emulates a full computer system, including the processor, memory, and devices. Block/curl.c probably deals with block device handling using libcurl for network transfers. Block device emulation is typically part of the system being emulated in system-mode QEMU because it involves disk images and storage management, which are low-level components of an operating system. The use of deprecated curl functions suggests that this code might be interacting with lower-level or more critical parts of the system, possibly related to how data is transferred or stored. Since block devices are essential for the operation of a virtualized system, this would fall under system-mode operations. Therefore, this bug report is likely related to system-mode. system