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* fuzzing fixes (Alexander)

Browse source 
* fix cross compilation CFLAGS and compiler choice
 * do not specify -bios option for tests/vm
 * miscellaneous fixes
 * preparation for pre-install tree in the build directory (Akihiko)
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* fuzzing fixes (Alexander)
* fix cross compilation CFLAGS and compiler choice
* do not specify -bios option for tests/vm
* miscellaneous fixes
* preparation for pre-install tree in the build directory (Akihiko)

# gpg: Signature made Tue 12 Jul 2022 13:47:19 BST
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
  meson: place default firmware path under .../share
  qga: Relocate a path emitted in the help text
  build: Do not depend on pc-bios for config-host.mak
  accel: kvm: Fix memory leak in find_stats_descriptors
  audio/dbus: fix building
  fuzz: only use generic-fuzz targets on oss-fuzz
  build: improve -fsanitize-coverage-allowlist check
  build: try both native and cross compilers
  configure: pass whole target name to probe_target_compiler
  tests/tcg: compile system emulation tests as freestanding
  configure: write EXTRA_CFLAGS for all sub-Makefiles
  configure: allow more host/target combos to use the host compiler
  configure, pc-bios/vof: pass cross CFLAGS correctly
  configure, pc-bios/s390-ccw: pass cross CFLAGS correctly
  configure, pc-bios/optionrom: pass cross CFLAGS correctly
  pc-bios/optionrom: use -m16 unconditionally
  scsi/lsi53c895a: fix use-after-free in lsi_do_msgout (CVE-2022-0216)
  tests/vm: do not specify -bios option

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	pc-bios/s390-ccw/netboot.mak
This commit is contained in:
Peter Maydell 2022-07-12 14:12:15 +01:00
commit 8e3d85d36b
24 changed files with 163 additions and 130 deletions
Download patch file Download diff file Expand all files Collapse all files

20
pc-bios/s390-ccw/Makefile
View file

@ -18,11 +18,11 @@ $(call set-vpath, $(SRC_PATH))
QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d
%.o: %.c
$(call quiet-command,$(CC) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
$(call quiet-command,$(CC) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
-c -o $@ $<,"CC","$(TARGET_DIR)$@")
%.o: %.S
$(call quiet-command,$(CCAS) $(QEMU_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
$(call quiet-command,$(CCAS) $(EXTRA_CFLAGS) $(QEMU_DGFLAGS) $(CFLAGS) \
-c -o $@ $<,"CCAS","$(TARGET_DIR)$@")
.PHONY : all clean build-all
@ -30,14 +30,14 @@ QEMU_DGFLAGS = -MMD -MP -MT $@ -MF $(@D)/$(*F).d
OBJECTS = start.o main.o bootmap.o jump2ipl.o sclp.o menu.o \
virtio.o virtio-scsi.o virtio-blkdev.o libc.o cio.o dasd-ipl.o
QEMU_CFLAGS := -Wall $(filter -W%, $(QEMU_CFLAGS))
QEMU_CFLAGS += $(call cc-option,-Werror $(QEMU_CFLAGS),-Wno-stringop-overflow)
QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE
QEMU_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables
QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS), -fno-stack-protector)
QEMU_CFLAGS += -msoft-float
QEMU_CFLAGS += $(call cc-option, $(QEMU_CFLAGS),-march=z900,-march=z10)
QEMU_CFLAGS += -std=gnu99
EXTRA_CFLAGS := $(EXTRA_CFLAGS) -Wall
EXTRA_CFLAGS += $(call cc-option,-Werror $(EXTRA_CFLAGS),-Wno-stringop-overflow)
EXTRA_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -fno-common -fPIE
EXTRA_CFLAGS += -fwrapv -fno-strict-aliasing -fno-asynchronous-unwind-tables
EXTRA_CFLAGS += $(call cc-option, $(EXTRA_CFLAGS), -fno-stack-protector)
EXTRA_CFLAGS += -msoft-float
EXTRA_CFLAGS += $(call cc-option, $(EXTRA_CFLAGS),-march=z900,-march=z10)
EXTRA_CFLAGS += -std=gnu99
LDFLAGS += -Wl,-pie -nostdlib
build-all: s390-ccw.img s390-netboot.img

6
pc-bios/s390-ccw/netboot.mak
View file

@ -8,7 +8,7 @@ LIBNET_INC := -I$(SLOF_DIR)/lib/libnet
NETLDFLAGS := $(LDFLAGS) -Wl,-Ttext=0x7800000
$(NETOBJS): QEMU_CFLAGS += $(LIBC_INC) $(LIBNET_INC)
$(NETOBJS): EXTRA_CFLAGS += $(LIBC_INC) $(LIBNET_INC)
s390-netboot.elf: $(NETOBJS) libnet.a libc.a
$(call quiet-command,$(CC) $(NETLDFLAGS) -o $@ $^,"BUILD","$(TARGET_DIR)$@")
@ -21,7 +21,7 @@ NO_GNU_WARN := $(call cc-option,-Werror $(QEMU_CFLAGS),-Wno-gnu)
# libc files:
LIBC_CFLAGS = $(QEMU_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \
LIBC_CFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \
-MMD -MP -MT $@ -MF $(@:%.o=%.d)
CTYPE_OBJS = isdigit.o isxdigit.o toupper.o
@ -55,7 +55,7 @@ libc.a: $(LIBCOBJS)
LIBNETOBJS := args.o dhcp.o dns.o icmpv6.o ipv6.o tcp.o udp.o bootp.o \
dhcpv6.o ethernet.o ipv4.o ndp.o tftp.o pxelinux.o
LIBNETCFLAGS = $(QEMU_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \
LIBNETCFLAGS = $(EXTRA_CFLAGS) $(CFLAGS) $(NO_GNU_WARN) $(LIBC_INC) $(LIBNET_INC) \
-DDHCPARCH=0x1F -MMD -MP -MT $@ -MF $(@:%.o=%.d)
%.o : $(SLOF_DIR)/lib/libnet/%.c