Coverity Scan: QEMU

Analysis Metrics

Version: v8.0.0-1737-g45ae97993a

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	5,405	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	176,284	0.01
avr	(/qemu)?((/include)?/hw/avr/.*|/target/avr/.*)	No	3,251	0.00
cris	(/qemu)?((/include)?/hw/cris/.*|/target/cris/.*)	No	6,016	0.00
hexagon-gen	(/qemu)?(/target/hexagon/.*generated.*)	Yes	125,394	N/A
hexagon	(/qemu)?(/target/hexagon/.*)	No	29,044	0.03
hppa	(/qemu)?((/include)?/hw/hppa/.*|/target/hppa/.*)	No	5,780	0.00
i386	(/qemu)?((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c)	No	66,605	0.11
loongarch	(/qemu)?((/include)?/hw/(loongarch/.*|.*/loongarch.*)|/target/loongarch/.*)	No	16,172	0.00
m68k	(/qemu)?((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*|(/include)?/hw/nubus/.*)	No	16,146	0.06
microblaze	(/qemu)?((/include)?/hw/microblaze/.*|/target/microblaze/.*)	No	3,734	0.00
mips	(/qemu)?((/include)?/hw/mips/.*|/target/mips/.*)	No	48,880	0.08
nios2	(/qemu)?((/include)?/hw/nios2/.*|/target/nios2/.*)	No	2,476	0.00
openrisc	(/qemu)?((/include)?/hw/openrisc/.*|/target/openrisc/.*)	No	3,943	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	86,662	0.00
riscv	(/qemu)?((/include)?/hw/riscv/.*|/target/riscv/.*|/hw/.*/(riscv_|ibex_|sifive_).*)	No	36,862	0.19
rx	(/qemu)?((/include)?/hw/rx/.*|/target/rx/.*)	No	4,258	0.00
s390	(/qemu)?((/include)?/hw/s390x/.*|/target/s390x/.*|/hw/.*/s390_.*)	No	37,007	0.00
sh4	(/qemu)?((/include)?/hw/sh4/.*|/target/sh4/.*)	No	5,920	0.00
sparc	(/qemu)?((/include)?/hw/sparc(64)?.*|/target/sparc/.*|/hw/.*/grlib.*|/hw/display/cg3.c)	No	16,403	0.00
tricore	(/qemu)?((/include)?/hw/tricore/.*|/target/tricore/.*)	No	12,663	0.00
xtensa	(/qemu)?((/include)?/hw/xtensa/.*|/target/xtensa/.*)	No	337,752	0.01
9pfs	(/qemu)?(/hw/9pfs/.*|/fsdev/.*)	No	11,091	0.00
audio	(/qemu)?((/include)?/(audio|hw/audio)/.*)	No	19,179	0.00
block	(/qemu)?(/block.*|(/include?)/(block|storage-daemon)/.*|(/include)?/hw/(block|ide|nvme)/.*|/qemu-(img|io).*|/util/(aio|async|thread-pool).*)	No	116,172	0.05
char	(/qemu)?(/qemu-char\.c|/include/sysemu/char\.h|(/include)?/hw/char/.*)	No	8,911	0.00
crypto	(/qemu)?((/include)?/crypto/.*|/hw/.*/.*crypto.*|(/include/sysemu|/backends)/cryptodev.*)	No	12,480	0.08
disas	(/qemu)?((/include)?/disas.*)	No	39,775	0.00
fpu	(/qemu)?((/include)?(/fpu|/libdecnumber)/.*)	No	15,109	0.00
io	(/qemu)?((/include)?/io/.*)	No	5,042	0.20
ipmi	(/qemu)?((/include)?/hw/ipmi/.*)	No	4,044	0.00
migration	(/qemu)?((/include)?/migration/.*)	No	23,154	0.00
monitor	(/qemu)?(/qapi.*|/qobject/.*|/monitor\..*|/[hq]mp\..*)	No	99,078	0.00
nbd	(/qemu)?(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c)	No	4,731	0.00
net	(/qemu)?((/include)?(/hw)?/(net|rdma)/.*)	No	68,314	0.03
pci	(/qemu)?(/include)?/hw/(cxl/|pci).*	No	24,617	0.04
qemu-ga	(/qemu)?(/qga/.*)	No	13,648	0.00
scsi	(/qemu)?(/scsi/.*|/hw/scsi/.*|/include/hw/scsi/.*)	No	20,614	0.00
trace	(/qemu)?(/.*trace.*\.[ch])	No	209,498	0.00
ui	(/qemu)?((/include)?(/ui|/hw/display|/hw/input)/.*)	No	82,658	0.07
usb	(/qemu)?(/hw/usb/.*|/include/hw/usb/.*)	No	34,432	0.03
user	(/qemu)?(/linux-user/.*|/bsd-user/.*|/user-exec\.c|/thunk\.c|/include/exec/user/.*)	No	46,077	0.11
util	(/qemu)?(/util/.*|/include/qemu/.*)	No	28,571	0.04
vfio	(/qemu)?(/include)?/hw/vfio/.*	No	9,228	0.11
virtio	(/qemu)?(/include)?/hw/virtio/.*	No	22,780	0.04
xen	(/qemu)?(.*/xen.*)	No	18,140	0.00
hvf	(/qemu)?(.*/hvf.*)	No	42	0.00
kvm	(/qemu)?(.*/kvm.*)	No	6,024	0.00
tcg	(/qemu)?(/accel/tcg|/replay|/tcg)/.*	No	30,838	0.06
sysemu	(/qemu)?(/softmmu/.*|/accel/.*)	No	15,941	0.00
testlibs	(/qemu)?(/tests/qtest(/libqos/.*|/libqtest.*))	No	11,182	0.09
tests	(/qemu)?(/tests/.*)	No	83,710	0.80
(headers)	(/qemu)?(/include/.*)	No	31,782	0.00
Other	.*	No	583,278	0.02

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	14
676	Use of Potentially Dangerous Function	1

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