msys2 build failed

Host environment

• Operating system: Windows Server 2022
• OS/kernel version: 10.0.20348.2700
• Architecture: x64
• QEMU flavor: Build failed
• QEMU version: 9.1.50 (master)
• QEMU command line:

Description of problem

Steps to reproduce

1. Install MSYS2 and QEMU build dependencies
2. Update (pacman -Syu)
3. Build:

./configure  --enable-sdl --enable-fdt=system --disable-docs --target-list=arm-softmmu,aarch64-softmmu --enable-avx2
make -j16

Additional information

See: https://github.com/msys2/MINGW-packages/issues/22104#issuecomment-2393727818

output:

FAILED: libcommon.a.p/net_tap-win32.c.obj 
"cc" "-m64" "-Ilibcommon.a.p" "-ID:/a/_temp/msys64/mingw64/include/capstone" "-ID:/a/_temp/msys64/mingw64/include/p11-kit-1" "-ID:/a/_temp/msys64/mingw64/include/pixman-1" "-ID:/a/_temp/msys64/mingw64/include/libpng16" "-ID:/a/_temp/msys64/mingw64/include/spice-server" "-ID:/a/_temp/msys64/mingw64/include/spice-1" "-ID:/a/_temp/msys64/mingw64/include/cacard" "-ID:/a/_temp/msys64/mingw64/include/nss3" "-ID:/a/_temp/msys64/mingw64/include/nspr" "-ID:/a/_temp/msys64/mingw64/include/glib-2.0" "-ID:/a/_temp/msys64/mingw64/lib/glib-2.0/include" "-ID:/a/_temp/msys64/mingw64/include/libusb-1.0" "-ID:/a/_temp/msys64/mingw64/include/SDL2" "-ID:/a/_temp/msys64/mingw64/include/slirp" "-ID:/a/_temp/msys64/mingw64/include/ncursesw" "-ID:/a/_temp/msys64/mingw64/include/gtk-3.0" "-ID:/a/_temp/msys64/mingw64/include/pango-1.0" "-ID:/a/_temp/msys64/mingw64/include/harfbuzz" "-ID:/a/_temp/msys64/mingw64/include/cairo" "-ID:/a/_temp/msys64/mingw64/include/freetype2" "-ID:/a/_temp/msys64/mingw64/include/gdk-pixbuf-2.0" "-ID:/a/_temp/msys64/mingw64/include/webp" "-ID:/a/_temp/msys64/mingw64/include/atk-1.0" "-ID:/a/_temp/msys64/mingw64/include/fribidi" "-ID:/a/_temp/msys64/mingw64/include/rav1e" "-ID:/a/_temp/msys64/mingw64/include/svt-av1" "-fdiagnostics-color=auto" "-Wall" "-Winvalid-pch" "-Werror" "-std=gnu11" "-O2" "-g" "-fstack-protector-strong" "-Wempty-body" "-Wendif-labels" "-Wexpansion-to-defined" "-Wformat-security" "-Wformat-y2k" "-Wignored-qualifiers" "-Wimplicit-fallthrough=2" "-Winit-self" "-Wmissing-format-attribute" "-Wmissing-prototypes" "-Wnested-externs" "-Wold-style-declaration" "-Wold-style-definition" "-Wredundant-decls" "-Wshadow=local" "-Wstrict-prototypes" "-Wtype-limits" "-Wundef" "-Wvla" "-Wwrite-strings" "-Wno-missing-include-dirs" "-Wno-psabi" "-Wno-shift-negative-value" "-iquote" "." "-iquote" "D:/a/qemu/qemu" "-iquote" "D:/a/qemu/qemu/include" "-iquote" "D:/a/qemu/qemu/host/include/x86_64" "-iquote" "D:/a/qemu/qemu/host/include/generic" "-iquote" "D:/a/qemu/qemu/tcg/i386" "-msse2" "-mcx16" "-D_GNU_SOURCE" "-D_FILE_OFFSET_BITS=64" "-D_LARGEFILE_SOURCE" "-fno-strict-aliasing" "-fno-common" "-fwrapv" "-fno-pie" "-no-pie" "-ftrivial-auto-var-init=zero" "-fzero-call-used-regs=used-gpr" "-DHWY_SHARED_DEFINE" "-DAVIF_DLL" "-DEB_DLL" "-DLIBDEFLATE_DLL" "-DNCURSES_WIDECHAR" "-DNCURSES_WIDECHAR=1" "-Dmain=SDL_main" "-DSTRUCT_IOVEC_DEFINED" -MD -MQ libcommon.a.p/net_tap-win32.c.obj -MF "libcommon.a.p/net_tap-win32.c.obj.d" -o libcommon.a.p/net_tap-win32.c.obj "-c" ../net/tap-win32.c
../net/tap-win32.c: In function 'tap_win32_open':
../net/tap-win32.c:343:19: error: '%s' directive output may be truncated writing up to 255 bytes into a region of size 176 [-Werror=format-truncation=]
  343 |              "%s\\%s\\Connection",
      |                   ^~
  344 |              NETWORK_CONNECTIONS_KEY, enum_name);
      |                                       ~~~~~~~~~
In function 'get_device_guid',
    inlined from 'tap_win32_open' at ../net/tap-win32.c:616:10:
../net/tap-win32.c:341:9: note: 'snprintf' output between 92 and 347 bytes into a destination of size 256
  341 |         snprintf(connection_string,
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~
  342 |              sizeof(connection_string),
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~
  343 |              "%s\\%s\\Connection",
      |              ~~~~~~~~~~~~~~~~~~~~~
  344 |              NETWORK_CONNECTIONS_KEY, enum_name);
      |              ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../net/tap-win32.c: In function 'tap_win32_open':
../net/tap-win32.c:242:58: error: '%s' directive output may be truncated writing up to 255 bytes into a region of size 178 [-Werror=format-truncation=]
  242 |         snprintf (unit_string, sizeof(unit_string), "%s\\%s",
      |                                                          ^~
  243 |                   ADAPTER_KEY, enum_name);
      |                                ~~~~~~~~~                  
In function 'is_tap_win32_dev',
    inlined from 'get_device_guid' at ../net/tap-win32.c:368:21,
    inlined from 'tap_win32_open' at ../net/tap-win32.c:616:10:
../net/tap-win32.c:242:9: note: 'snprintf' output between 79 and 334 bytes into a destination of size 256
  242 |         snprintf (unit_string, sizeof(unit_string), "%s\\%s",
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  243 |                   ADAPTER_KEY, enum_name);
      |                   ~~~~~~~~~~~~~~~~~~~~~~~
../net/tap-win32.c: In function 'tap_win32_open':
../net/tap-win32.c:620:52: error: '%s' directive output may be truncated writing up to 255 bytes into a region of size 245 [-Werror=format-truncation=]
  620 |     snprintf (device_path, sizeof(device_path), "%s%s%s",
      |                                                    ^~
  621 |               USERMODEDEVICEDIR,
  622 |               device_guid,
      |               ~~~~~~~~~~~                           
../net/tap-win32.c:620:5: note: 'snprintf' output between 16 and 271 bytes into a destination of size 256
  620 |     snprintf (device_path, sizeof(device_path), "%s%s%s",
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  621 |               USERMODEDEVICEDIR,
      |               ~~~~~~~~~~~~~~~~~~
  622 |               device_guid,
      |               ~~~~~~~~~~~~
  623 |               TAPSUFFIX);
      |               ~~~~~~~~~~
cc1.exe: all warnings being treated as errors