Looks like the following error is still happening in Kali despite being fixed in Debian & Ubuntu. Fwiw, this issue occurs in the master branch:
$ ./build_qemu_support.sh
=================================================
AFL binary-only instrumentation QEMU build script
=================================================
[*] Performing basic sanity checks...
[+] All checks passed!
[*] Downloading QEMU 2.10.0 from the web...
--2020-07-24 05:18:48-- http://download.qemu-project.org/qemu-2.10.0.tar.xz
Resolving download.qemu-project.org (download.qemu-project.org)... 172.99.69.163
Connecting to download.qemu-project.org (download.qemu-project.org)|172.99.69.163|:80... connected.
HTTP request sent, awaiting response... 301 Moved Permanently
Location: http://download.qemu.org/qemu-2.10.0.tar.xz [following]
--2020-07-24 05:18:49-- http://download.qemu.org/qemu-2.10.0.tar.xz
Resolving download.qemu.org (download.qemu.org)... 172.99.69.163
Reusing existing connection to download.qemu-project.org:80.
HTTP request sent, awaiting response... 302 Found
Location: https://download.qemu.org/qemu-2.10.0.tar.xz [following]
--2020-07-24 05:18:49-- https://download.qemu.org/qemu-2.10.0.tar.xz
Connecting to download.qemu.org (download.qemu.org)|172.99.69.163|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 25040324 (24M) [application/x-xz]
Saving to: ‘qemu-2.10.0.tar.xz’
qemu-2.10.0.tar.xz 100%[========================================================================================>] 23.88M 12.6MB/s in 1.9s
2020-07-24 05:18:52 (12.6 MB/s) - ‘qemu-2.10.0.tar.xz’ saved [25040324/25040324]
[+] Cryptographic signature on qemu-2.10.0.tar.xz checks out.
[*] Uncompressing archive (this will take a while)...
[+] Unpacking successful.
[*] Configuring QEMU for ...
[*] Applying patches...
patching file linux-user/elfload.c
patching file accel/tcg/cpu-exec.c
patching file linux-user/syscall.c
[+] Patching done.
Install prefix /usr/local
BIOS directory /usr/local/share/qemu
binary directory /usr/local/bin
library directory /usr/local/lib
module directory /usr/local/lib/qemu
libexec directory /usr/local/libexec
include directory /usr/local/include
config directory /usr/local/etc
local state directory /usr/local/var
Manual directory /usr/local/share/man
ELF interp prefix /usr/gnemul/qemu-%M
Source path /opt/afl-dev/qemu_mode/qemu-2.10.0
C compiler cc
Host C compiler cc
C++ compiler c++
Objective-C compiler clang
ARFLAGS rv
CFLAGS -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g -O3 -ggdb
QEMU_CFLAGS -I/usr/include/pixman-1 -I$(SRC_PATH)/dtc/libfdt -pthread -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -DNCURSES_WIDECHAR -D_DEFAULT_SOURCE -D_XOPEN_SOURCE=600 -fPIE -DPIE -m64 -mcx16 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/include/libusb-1.0
LDFLAGS -Wl,--warn-common -Wl,-z,relro -Wl,-z,now -pie -m64 -g
make make
install install
python python -B
smbd /usr/sbin/smbd
module support no
host CPU x86_64
host big endian no
target list x86_64-linux-user
gprof enabled no
sparse enabled no
strip binaries yes
profiler no
static build no
pixman system
SDL support no
GTK support no
GTK GL support no
VTE support no
TLS priority NORMAL
GNUTLS support no
GNUTLS rnd no
libgcrypt no
libgcrypt kdf no
nettle no
nettle kdf no
libtasn1 no
curses support yes
virgl support no
curl support yes
mingw32 support no
Audio drivers oss
Block whitelist (rw)
Block whitelist (ro)
VirtFS support
VNC support no
xen support no
brlapi support no
bluez support yes
Documentation no
PIE yes
vde support no
netmap support no
Linux AIO support no
ATTR/XATTR support yes
Install blobs yes
KVM support yes
HAX support no
TCG support yes
TCG debug enabled no
TCG interpreter no
RDMA support no
fdt support yes
preadv support yes
fdatasync yes
madvise yes
posix_madvise yes
libcap-ng support no
vhost-net support yes
vhost-scsi support yes
vhost-vsock support yes
vhost-user support yes
Trace backends log
spice support no
rbd support no
xfsctl support no
smartcard support no
libusb yes
usb net redir no
OpenGL support no
OpenGL dmabufs no
libiscsi support no
libnfs support no
build guest agent yes
QGA VSS support no
QGA w32 disk info no
QGA MSI support no
seccomp support yes
coroutine backend ucontext
coroutine pool yes
debug stack usage no
crypto afalg no
GlusterFS support no
gcov gcov
gcov enabled no
TPM support yes
libssh2 support no
TPM passthrough yes
QOM debugging yes
Live block migration yes
lzo support no
snappy support no
bzip2 support yes
NUMA host support no
tcmalloc support no
jemalloc support no
avx2 optimization yes
replication support yes
VxHS block device no
[+] Configuration complete.
[*] Attempting to build QEMU (fingers crossed!)...
GEN x86_64-linux-user/config-devices.mak.tmp
GEN x86_64-linux-user/config-devices.mak
GEN config-all-devices.mak
GEN config-host.h
DEP tests/dumptrees.c
DEP tests/trees.S
DEP tests/testutils.c
DEP tests/value-labels.c
DEP tests/asm_tree_dump.c
DEP tests/truncated_property.c
DEP tests/check_path.c
DEP tests/overlay_bad_fixup.c
DEP tests/overlay.c
DEP tests/subnode_iterate.c
DEP tests/property_iterate.c
DEP tests/integer-expressions.c
DEP tests/utilfdt_test.c
DEP tests/path_offset_aliases.c
DEP tests/add_subnode_with_nops.c
DEP tests/dtbs_equal_unordered.c
DEP tests/dtb_reverse.c
DEP tests/dtbs_equal_ordered.c
DEP tests/extra-terminating-null.c
DEP tests/incbin.c
DEP tests/boot-cpuid.c
DEP tests/phandle_format.c
DEP tests/path-references.c
DEP tests/references.c
DEP tests/string_escapes.c
DEP tests/propname_escapes.c
DEP tests/appendprop2.c
DEP tests/appendprop1.c
DEP tests/del_node.c
DEP tests/del_property.c
DEP tests/setprop.c
DEP tests/set_name.c
DEP tests/rw_tree1.c
DEP tests/open_pack.c
DEP tests/nopulate.c
DEP tests/mangle-layout.c
DEP tests/move_and_save.c
DEP tests/sw_tree1.c
DEP tests/nop_node.c
DEP tests/nop_property.c
DEP tests/setprop_inplace.c
DEP tests/stringlist.c
DEP tests/addr_size_cells.c
DEP tests/notfound.c
DEP tests/sized_cells.c
DEP tests/char_literal.c
DEP tests/get_alias.c
DEP tests/node_offset_by_compatible.c
DEP tests/node_check_compatible.c
DEP tests/node_offset_by_phandle.c
DEP tests/node_offset_by_prop_value.c
DEP tests/parent_offset.c
DEP tests/supernode_atdepth_offset.c
DEP tests/get_path.c
DEP tests/get_phandle.c
DEP tests/getprop.c
DEP tests/get_name.c
DEP tests/path_offset.c
DEP tests/subnode_offset.c
DEP tests/find_property.c
DEP tests/root_node.c
DEP tests/get_mem_rsv.c
DEP libfdt/fdt_overlay.c
DEP libfdt/fdt_addresses.c
DEP libfdt/fdt_empty_tree.c
DEP libfdt/fdt_strerror.c
DEP libfdt/fdt_rw.c
DEP libfdt/fdt_sw.c
DEP libfdt/fdt_wip.c
DEP libfdt/fdt_ro.c
DEP libfdt/fdt.c
DEP util.c
DEP fdtput.c
DEP fdtget.c
DEP fdtdump.c
LEX convert-dtsv0-lexer.lex.c
DEP convert-dtsv0-lexer.lex.c
DEP srcpos.c
BISON dtc-parser.tab.c
DEP dtc-parser.tab.c
LEX dtc-lexer.lex.c
DEP dtc-lexer.lex.c
DEP treesource.c
DEP livetree.c
DEP fstree.c
DEP flattree.c
DEP dtc.c
DEP data.c
DEP checks.c
CHK version_gen.h
UPD version_gen.h
DEP util.c
CHK version_gen.h
CC libfdt/fdt.o
CC libfdt/fdt_ro.o
CC libfdt/fdt_wip.o
CC libfdt/fdt_sw.o
CC libfdt/fdt_rw.o
CC libfdt/fdt_strerror.o
CC libfdt/fdt_empty_tree.o
CC libfdt/fdt_addresses.o
CC libfdt/fdt_overlay.o
AR libfdt/libfdt.a
ar: creating libfdt/libfdt.a
a - libfdt/fdt.o
a - libfdt/fdt_ro.o
a - libfdt/fdt_wip.o
a - libfdt/fdt_sw.o
a - libfdt/fdt_rw.o
a - libfdt/fdt_strerror.o
a - libfdt/fdt_empty_tree.o
a - libfdt/fdt_addresses.o
a - libfdt/fdt_overlay.o
GEN qemu-options.def
GEN qmp-commands.h
GEN qapi-types.h
GEN qapi-visit.h
GEN qapi-event.h
GEN qmp-marshal.c
GEN qapi-types.c
GEN qapi-visit.c
GEN qapi-event.c
GEN qmp-introspect.h
GEN qmp-introspect.c
GEN trace/generated-tcg-tracers.h
GEN trace/generated-helpers-wrappers.h
GEN trace/generated-helpers.h
GEN trace/generated-helpers.c
GEN module_block.h
GEN tests/test-qapi-types.h
GEN tests/test-qapi-visit.h
GEN tests/test-qmp-commands.h
GEN tests/test-qapi-event.h
GEN tests/test-qmp-introspect.h
GEN trace-root.h
GEN util/trace.h
GEN crypto/trace.h
GEN io/trace.h
GEN migration/trace.h
GEN block/trace.h
GEN chardev/trace.h
GEN hw/block/trace.h
GEN hw/block/dataplane/trace.h
GEN hw/char/trace.h
GEN hw/intc/trace.h
GEN hw/net/trace.h
GEN hw/virtio/trace.h
GEN hw/audio/trace.h
GEN hw/misc/trace.h
GEN hw/usb/trace.h
GEN hw/scsi/trace.h
GEN hw/nvram/trace.h
GEN hw/display/trace.h
GEN hw/input/trace.h
GEN hw/timer/trace.h
GEN hw/dma/trace.h
GEN hw/sparc/trace.h
GEN hw/sd/trace.h
GEN hw/isa/trace.h
GEN hw/mem/trace.h
GEN hw/i386/trace.h
GEN hw/i386/xen/trace.h
GEN hw/9pfs/trace.h
GEN hw/ppc/trace.h
GEN hw/pci/trace.h
GEN hw/s390x/trace.h
GEN hw/vfio/trace.h
GEN hw/acpi/trace.h
GEN hw/arm/trace.h
GEN hw/alpha/trace.h
GEN hw/xen/trace.h
GEN ui/trace.h
GEN audio/trace.h
GEN net/trace.h
GEN target/arm/trace.h
GEN target/i386/trace.h
GEN target/mips/trace.h
GEN target/sparc/trace.h
GEN target/s390x/trace.h
GEN target/ppc/trace.h
GEN qom/trace.h
GEN linux-user/trace.h
GEN qapi/trace.h
GEN accel/tcg/trace.h
GEN accel/kvm/trace.h
GEN nbd/trace.h
GEN trace-root.c
GEN util/trace.c
GEN crypto/trace.c
GEN io/trace.c
GEN migration/trace.c
GEN block/trace.c
GEN chardev/trace.c
GEN hw/block/trace.c
GEN hw/block/dataplane/trace.c
GEN hw/char/trace.c
GEN hw/intc/trace.c
GEN hw/net/trace.c
GEN hw/virtio/trace.c
GEN hw/audio/trace.c
GEN hw/misc/trace.c
GEN hw/usb/trace.c
GEN hw/scsi/trace.c
GEN hw/nvram/trace.c
GEN hw/display/trace.c
GEN hw/input/trace.c
GEN hw/timer/trace.c
GEN hw/dma/trace.c
GEN hw/sparc/trace.c
GEN hw/sd/trace.c
GEN hw/isa/trace.c
GEN hw/mem/trace.c
GEN hw/i386/trace.c
GEN hw/i386/xen/trace.c
GEN hw/9pfs/trace.c
GEN hw/ppc/trace.c
GEN hw/pci/trace.c
GEN hw/s390x/trace.c
GEN hw/vfio/trace.c
GEN hw/acpi/trace.c
GEN hw/arm/trace.c
GEN hw/alpha/trace.c
GEN hw/xen/trace.c
GEN ui/trace.c
GEN audio/trace.c
GEN net/trace.c
GEN target/arm/trace.c
GEN target/i386/trace.c
GEN target/mips/trace.c
GEN target/sparc/trace.c
GEN target/s390x/trace.c
GEN target/ppc/trace.c
GEN qom/trace.c
GEN linux-user/trace.c
GEN qapi/trace.c
GEN accel/tcg/trace.c
GEN accel/kvm/trace.c
GEN nbd/trace.c
CHK version_gen.h
CC tests/qemu-iotests/socket_scm_helper.o
LINK tests/qemu-iotests/socket_scm_helper
GEN qga/qapi-generated/qga-qapi-types.h
GEN qga/qapi-generated/qga-qapi-visit.h
GEN qga/qapi-generated/qga-qmp-commands.h
CC qga/commands.o
CC qga/guest-agent-command-state.o
CC qga/main.o
qga/main.c: In function ‘ga_log’:
qga/main.c:300:5: warning: ‘GTimeVal’ is deprecated: Use 'GDateTime' instead [-Wdeprecated-declarations]
300 | GTimeVal time;
| ^~~~~~~~
In file included from /usr/include/glib-2.0/glib/galloca.h:32,
from /usr/include/glib-2.0/glib.h:30,
from /opt/afl-dev/qemu_mode/qemu-2.10.0/include/glib-compat.h:19,
from /opt/afl-dev/qemu_mode/qemu-2.10.0/include/qemu/osdep.h:107,
from qga/main.c:13:
/usr/include/glib-2.0/glib/gtypes.h:547:8: note: declared here
547 | struct _GTimeVal
| ^~~~~~~~~
qga/main.c:315:9: warning: ‘g_get_current_time’ is deprecated: Use 'g_get_real_time' instead [-Wdeprecated-declarations]
315 | g_get_current_time(&time);
| ^~~~~~~~~~~~~~~~~~
In file included from /usr/include/glib-2.0/glib/giochannel.h:33,
from /usr/include/glib-2.0/glib.h:54,
from /opt/afl-dev/qemu_mode/qemu-2.10.0/include/glib-compat.h:19,
from /opt/afl-dev/qemu_mode/qemu-2.10.0/include/qemu/osdep.h:107,
from qga/main.c:13:
/usr/include/glib-2.0/glib/gmain.h:679:8: note: declared here
679 | void g_get_current_time (GTimeVal *result);
| ^~~~~~~~~~~~~~~~~~
CC qga/commands-posix.o
CC qga/channel-posix.o
GEN qga/qapi-generated/qga-qapi-types.c
CC qga/qapi-generated/qga-qapi-types.o
GEN qga/qapi-generated/qga-qapi-visit.c
CC qga/qapi-generated/qga-qapi-visit.o
GEN qga/qapi-generated/qga-qmp-marshal.c
CC qga/qapi-generated/qga-qmp-marshal.o
CC qmp-introspect.o
CC qapi-types.o
CC qapi-visit.o
CC qapi-event.o
CC qapi/qapi-visit-core.o
CC qapi/qapi-dealloc-visitor.o
CC qapi/qobject-input-visitor.o
CC qapi/qobject-output-visitor.o
CC qapi/qmp-registry.o
CC qapi/qmp-dispatch.o
CC qapi/string-input-visitor.o
qapi/string-input-visitor.c: In function ‘parse_type_uint64’:
qapi/string-input-visitor.c:261:14: warning: ‘i’ may be used uninitialized in this function [-Wmaybe-uninitialized]
261 | *obj = i;
| ~~~~~^~~
CC qapi/string-output-visitor.o
CC qapi/opts-visitor.o
CC qapi/qapi-clone-visitor.o
CC qapi/qmp-event.o
CC qapi/qapi-util.o
CC qobject/qnull.o
CC qobject/qnum.o
CC qobject/qstring.o
CC qobject/qdict.o
CC qobject/qlist.o
CC qobject/qbool.o
CC qobject/qjson.o
CC qobject/qobject.o
CC qobject/json-lexer.o
CC qobject/json-streamer.o
CC qobject/json-parser.o
CC trace/control.o
CC trace/qmp.o
CC util/osdep.o
CC util/cutils.o
CC util/unicode.o
CC util/qemu-timer-common.o
CC util/bufferiszero.o
CC util/lockcnt.o
CC util/aiocb.o
CC util/async.o
CC util/thread-pool.o
CC util/qemu-timer.o
CC util/main-loop.o
CC util/iohandler.o
CC util/aio-posix.o
CC util/compatfd.o
CC util/event_notifier-posix.o
CC util/mmap-alloc.o
CC util/oslib-posix.o
CC util/qemu-openpty.o
CC util/qemu-thread-posix.o
CC util/memfd.o
util/memfd.c:40:12: error: static declaration of ‘memfd_create’ follows non-static declaration
40 | static int memfd_create(const char *name, unsigned int flags)
| ^~~~~~~~~~~~
In file included from /usr/include/x86_64-linux-gnu/bits/mman-linux.h:111,
from /usr/include/x86_64-linux-gnu/bits/mman.h:34,
from /usr/include/x86_64-linux-gnu/sys/mman.h:41,
from /opt/afl-dev/qemu_mode/qemu-2.10.0/include/sysemu/os-posix.h:29,
from /opt/afl-dev/qemu_mode/qemu-2.10.0/include/qemu/osdep.h:104,
from util/memfd.c:28:
/usr/include/x86_64-linux-gnu/bits/mman-shared.h:50:5: note: previous declaration of ‘memfd_create’ was here
50 | int memfd_create (const char *__name, unsigned int __flags) __THROW;
| ^~~~~~~~~~~~
make: *** [/opt/afl-dev/qemu_mode/qemu-2.10.0/rules.mak:66: util/memfd.o] Error 1
$ lsb_release -a
No LSB modules are available.
Distributor ID: Kali
Description: Kali GNU/Linux Rolling
Release: 2020.3
Codename: kali-rolling
Looks like the following error is still happening in Kali despite being fixed in Debian & Ubuntu. Fwiw, this issue occurs in the master branch: