Coverity Scan: QEMU

Analysis Metrics

Version: v9.2.0-rc0-78-ge6459afb1f

See how defect density for 'QEMU' compares with defect density for other open source projects.  Learn more

Note: Defect density is measured by the number of defects per 1,000 lines of code.

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Analysis Metrics per Components

Component Name	Pattern	Ignore	Line of Code	Defect density
alpha	.*/qemu((/include)?/hw/alpha/.*|/target/alpha/.*)	No	5,342	0.00
arm	.*/qemu((/include)?/hw/arm/.*|(/include)?/hw/.*/(arm|allwinner-a10|bcm28|digic|exynos|imx|omap|stellaris|pxa2xx|versatile|zynq|cadence).*|/hw/net/xgmac.c|/hw/ssi/xilinx_spips.c|/target/arm/.*)	No	169,786	0.01
avr	.*/qemu((/include)?/hw/avr/.*|/target/avr/.*)	No	3,216	0.00
cris	.*/qemu((/include)?/hw/cris/.*|/target/cris/.*)	No	0	N/A
hexagon-gen	.*/qemu(/target/hexagon/.*generated.*)	Yes	0	N/A
hexagon	.*/qemu(/target/hexagon/.*)	No	22,643	0.00
hppa	.*/qemu((/include)?/hw/hppa/.*|/target/hppa/.*)	No	7,112	0.00
i386	.*/qemu((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c)	No	69,031	0.04
loongarch	.*/qemu((/include)?/hw/(loongarch/.*|.*/loongarch.*)|/target/loongarch/.*)	No	19,961	0.10
m68k	.*/qemu((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*|(/include)?/hw/nubus/.*)	No	16,635	0.00
microblaze	.*/qemu((/include)?/hw/microblaze/.*|/target/microblaze/.*)	No	3,743	0.00
mips	.*/qemu((/include)?/hw/mips/.*|/target/mips/.*)	No	51,551	0.02
openrisc	.*/qemu((/include)?/hw/openrisc/.*|/target/openrisc/.*)	No	3,888	0.00
ppc	.*/qemu((/include)?/hw/ppc/.*|/target/ppc/.*|/hw/pci-host/(uninorth.*|dec.*|prep.*|ppc.*)|/hw/misc/macio/.*|(/include)?/hw/.*/(xics|openpic|spapr).*)	No	91,740	0.00
riscv	.*/qemu((/include)?/hw/riscv/.*|/target/riscv/.*|/hw/.*/(riscv_|ibex_|sifive_).*)	No	46,315	0.17
rx	.*/qemu((/include)?/hw/rx/.*|/target/rx/.*)	No	4,219	0.00
s390	.*/qemu((/include)?/hw/s390x/.*|/target/s390x/.*|/hw/.*/s390_.*)	No	37,271	0.03
sh4	.*/qemu((/include)?/hw/sh4/.*|/target/sh4/.*)	No	5,804	0.00
sparc	.*/qemu((/include)?/hw/sparc(64)?.*|/target/sparc/.*|/hw/.*/grlib.*|/hw/display/cg3.c)	No	16,064	0.00
tricore	.*/qemu((/include)?/hw/tricore/.*|/target/tricore/.*)	No	12,844	0.08
xtensa	.*/qemu((/include)?/hw/xtensa/.*|/target/xtensa/.*)	No	337,727	0.00
9pfs	.*/qemu(/hw/9pfs/.*|/fsdev/.*)	No	8,975	0.00
audio	.*/qemu((/include)?/(audio|hw/audio)/.*)	No	21,186	0.05
block	.*/qemu(/block.*|(/include?)/(block|storage-daemon)/.*|(/include)?/hw/(block|ide|nvme)/.*|/qemu-(img|io).*|/util/(aio|async|thread-pool).*)	No	115,801	0.03
char	.*/qemu((/include)?/hw/char/.*)	No	9,810	0.00
chardev	.*/qemu((/include)?/chardev/.*)	No	6,890	0.29
crypto	.*/qemu((/include)?/crypto/.*|/hw/.*/.*crypto.*|(/include/sysemu|/backends)/cryptodev.*|/host/include/.*/host/crypto/.*)	No	13,361	0.00
disas	.*/qemu((/include)?/disas.*)	No	36,324	0.00
fpu	.*/qemu((/include)?(/fpu|/libdecnumber)/.*)	No	15,316	0.00
io	.*/qemu((/include)?/io/.*)	No	5,317	0.00
ipmi	.*/qemu((/include)?/hw/ipmi/.*)	No	4,044	0.00
migration	.*/qemu((/include)?/migration/.*)	No	23,465	0.04
monitor	.*/qemu((/include)?/(qapi|qobject|monitor)/.*|/job-qmp.c)	No	10,482	0.00
nbd	.*/qemu(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c)	No	5,215	0.00
net	.*/qemu((/include)?(/hw)?/(net|rdma)/.*)	No	66,712	0.10
pci	.*/qemu(/include)?/hw/(cxl/|pci).*	No	29,041	0.10
qemu-ga	.*/qemu(/qga/.*)	No	5,534	0.00
scsi	.*/qemu(/scsi/.*|/hw/scsi/.*|/include/hw/scsi/.*)	No	20,967	0.19
trace	.*/qemu(/.*trace.*\.[ch])	No	4,880	0.00
ui	.*/qemu((/include)?(/ui|/hw/display|/hw/input)/.*)	No	64,857	0.09
usb	.*/qemu(/hw/usb/.*|/include/hw/usb/.*)	No	32,473	0.06
user	.*/qemu(/linux-user/.*|/bsd-user/.*|/user-exec\.c|/thunk\.c|/include/user/.*)	No	44,489	0.11
util	.*/qemu(/util/.*|/include/qemu/.*)	No	27,016	0.00
vfio	.*/qemu(/include)?/hw/vfio/.*	No	10,883	0.00
virtio	.*/qemu(/include)?/hw/virtio/.*	No	26,511	0.23
xen	.*/qemu(.*/xen.*)	No	12,647	0.00
hvf	.*/qemu(.*/hvf.*)	No	37	0.00
kvm	.*/qemu(.*/kvm.*)	No	5,258	0.19
tcg	.*/qemu(/accel/tcg|/replay|/tcg)/.*	No	32,655	0.00
sysemu	.*/qemu(/system/.*|/accel/.*)	No	16,537	0.06
(headers)	.*/qemu(/include/.*)	No	32,782	0.00
testlibs	.*/qemu(/tests/qtest(/libqos/.*|/libqtest.*|/libqmp.*))	No	11,968	0.00
tests	.*/qemu(/tests/.*)	No	85,160	0.75
Other	.*	No	1,166,855	0.01

CWE Top 25 defects

ID	CWE-Name	Number of Defects
120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	1
190	Integer Overflow or Wraparound	200

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