Coverity Scan: QEMU

Analysis Metrics

Version: v10.0.0-807-g7be29f2f1a

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	5,355	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	172,539	0.01
avr	.*/qemu((/include)?/hw/avr/.*|/target/avr/.*)	No	3,247	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	22,210	0.00
hppa	.*/qemu((/include)?/hw/hppa/.*|/target/hppa/.*)	No	7,221	0.00
i386	.*/qemu((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c)	No	69,982	0.03
loongarch	.*/qemu((/include)?/hw/(loongarch/.*|.*/loongarch.*)|/target/loongarch/.*)	No	20,973	0.10
m68k	.*/qemu((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*|(/include)?/hw/nubus/.*)	No	16,867	0.00
microblaze	.*/qemu((/include)?/hw/microblaze/.*|/target/microblaze/.*)	No	3,776	0.00
mips	.*/qemu((/include)?/hw/mips/.*|/target/mips/.*)	No	51,574	0.04
openrisc	.*/qemu((/include)?/hw/openrisc/.*|/target/openrisc/.*)	No	3,902	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	91,263	0.00
riscv	.*/qemu((/include)?/hw/riscv/.*|/target/riscv/.*|/hw/.*/(riscv_|ibex_|sifive_).*)	No	49,178	0.16
rx	.*/qemu((/include)?/hw/rx/.*|/target/rx/.*)	No	4,220	0.00
s390	.*/qemu((/include)?/hw/s390x/.*|/target/s390x/.*|/hw/.*/s390_.*)	No	37,879	0.03
sh4	.*/qemu((/include)?/hw/sh4/.*|/target/sh4/.*)	No	5,820	0.00
sparc	.*/qemu((/include)?/hw/sparc(64)?.*|/target/sparc/.*|/hw/.*/grlib.*|/hw/display/cg3.c)	No	16,088	0.00
tricore	.*/qemu((/include)?/hw/tricore/.*|/target/tricore/.*)	No	12,842	0.08
xtensa	.*/qemu((/include)?/hw/xtensa/.*|/target/xtensa/.*)	No	337,745	0.00
9pfs	.*/qemu(/hw/9pfs/.*|/fsdev/.*)	No	9,169	0.00
audio	.*/qemu((/include)?/(audio|hw/audio)/.*)	No	21,187	0.05
block	.*/qemu(/block.*|(/include?)/(block|storage-daemon)/.*|(/include)?/hw/(block|ide|nvme)/.*|/qemu-(img|io).*|/util/(aio|async|thread-pool).*)	No	116,126	0.03
char	.*/qemu((/include)?/hw/char/.*)	No	10,050	0.00
chardev	.*/qemu((/include)?/chardev/.*)	No	7,140	0.00
crypto	.*/qemu((/include)?/crypto/.*|/hw/.*/.*crypto.*|(/include/sysemu|/backends)/cryptodev.*|/host/include/.*/host/crypto/.*)	No	13,130	0.08
disas	.*/qemu((/include)?/disas.*)	No	36,334	0.00
fpu	.*/qemu((/include)?(/fpu|/libdecnumber)/.*)	No	15,310	0.00
io	.*/qemu((/include)?/io/.*)	No	5,396	0.00
ipmi	.*/qemu((/include)?/hw/ipmi/.*)	No	4,126	0.00
migration	.*/qemu((/include)?/migration/.*)	No	24,544	0.04
monitor	.*/qemu((/include)?/(qapi|qobject|monitor)/.*|/job-qmp.c)	No	10,490	0.00
nbd	.*/qemu(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c)	No	5,241	0.00
net	.*/qemu((/include)?(/hw)?/(net|rdma)/.*)	No	67,425	0.10
pci	.*/qemu(/include)?/hw/(cxl/|pci).*	No	29,343	0.03
qemu-ga	.*/qemu(/qga/.*)	No	5,577	0.00
scsi	.*/qemu(/scsi/.*|/hw/scsi/.*|/include/hw/scsi/.*)	No	21,060	0.14
trace	.*/qemu(/.*trace.*\.[ch])	No	4,878	0.00
ui	.*/qemu((/include)?(/ui|/hw/display|/hw/input)/.*)	No	65,173	0.11
usb	.*/qemu(/hw/usb/.*|/include/hw/usb/.*)	No	32,506	0.06
user	.*/qemu(/linux-user/.*|/bsd-user/.*|/user-exec\.c|/thunk\.c|/include/user/.*)	No	44,738	0.11
util	.*/qemu(/util/.*|/include/qemu/.*)	No	27,281	0.00
vfio	.*/qemu(/include)?/hw/vfio/.*	No	11,953	0.00
virtio	.*/qemu(/include)?/hw/virtio/.*	No	26,786	0.37
xen	.*/qemu(.*/xen.*)	No	12,703	0.00
hvf	.*/qemu(.*/hvf.*)	No	46	0.00
kvm	.*/qemu(.*/kvm.*)	No	5,282	0.19
tcg	.*/qemu(/accel/tcg|/replay|/tcg)/.*	No	33,110	0.00
sysemu	.*/qemu(/system/.*|/accel/.*)	No	16,780	0.12
(headers)	.*/qemu(/include/.*)	No	33,706	0.00
testlibs	.*/qemu(/tests/qtest(/libqos/.*|/libqtest.*|/libqmp.*))	No	12,211	0.08
tests	.*/qemu(/tests/.*)	No	87,074	0.75
Other	.*	No	1,183,527	0.01

CWE Top 25 defects

ID	CWE-Name	Number of Defects
120	Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	1
131	Incorrect Calculation of Buffer Size	1
190	Integer Overflow or Wraparound	208

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