Coverity Scan: QEMU

Analysis Metrics

Version: v8.1.0-1000-g494a6a2cf7

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	5,366	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	179,116	0.00
avr	(/qemu)?((/include)?/hw/avr/.*|/target/avr/.*)	No	3,252	0.00
cris	(/qemu)?((/include)?/hw/cris/.*|/target/cris/.*)	No	6,015	0.00
hexagon-gen	(/qemu)?(/target/hexagon/.*generated.*)	Yes	125,394	N/A
hexagon	(/qemu)?(/target/hexagon/.*)	No	29,043	0.03
hppa	(/qemu)?((/include)?/hw/hppa/.*|/target/hppa/.*)	No	5,911	0.00
i386	(/qemu)?((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c)	No	65,695	0.05
loongarch	(/qemu)?((/include)?/hw/(loongarch/.*|.*/loongarch.*)|/target/loongarch/.*)	No	18,968	0.00
m68k	(/qemu)?((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*|(/include)?/hw/nubus/.*)	No	16,279	0.06
microblaze	(/qemu)?((/include)?/hw/microblaze/.*|/target/microblaze/.*)	No	3,731	0.00
mips	(/qemu)?((/include)?/hw/mips/.*|/target/mips/.*)	No	51,697	0.00
nios2	(/qemu)?((/include)?/hw/nios2/.*|/target/nios2/.*)	No	2,470	0.00
openrisc	(/qemu)?((/include)?/hw/openrisc/.*|/target/openrisc/.*)	No	3,939	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	87,391	0.00
riscv	(/qemu)?((/include)?/hw/riscv/.*|/target/riscv/.*|/hw/.*/(riscv_|ibex_|sifive_).*)	No	39,720	0.18
rx	(/qemu)?((/include)?/hw/rx/.*|/target/rx/.*)	No	4,258	0.00
s390	(/qemu)?((/include)?/hw/s390x/.*|/target/s390x/.*|/hw/.*/s390_.*)	No	36,995	0.00
sh4	(/qemu)?((/include)?/hw/sh4/.*|/target/sh4/.*)	No	5,919	0.00
sparc	(/qemu)?((/include)?/hw/sparc(64)?.*|/target/sparc/.*|/hw/.*/grlib.*|/hw/display/cg3.c)	No	16,445	0.00
tricore	(/qemu)?((/include)?/hw/tricore/.*|/target/tricore/.*)	No	12,816	0.00
xtensa	(/qemu)?((/include)?/hw/xtensa/.*|/target/xtensa/.*)	No	337,736	0.01
9pfs	(/qemu)?(/hw/9pfs/.*|/fsdev/.*)	No	11,139	0.00
audio	(/qemu)?((/include)?/(audio|hw/audio)/.*)	No	19,214	0.00
block	(/qemu)?(/block.*|(/include?)/(block|storage-daemon)/.*|(/include)?/hw/(block|ide|nvme)/.*|/qemu-(img|io).*|/util/(aio|async|thread-pool).*)	No	117,539	0.03
char	(/qemu)?(/qemu-char\.c|/include/sysemu/char\.h|(/include)?/hw/char/.*)	No	9,005	0.00
crypto	(/qemu)?((/include)?/crypto/.*|/hw/.*/.*crypto.*|(/include/sysemu|/backends)/cryptodev.*)	No	12,851	0.00
disas	(/qemu)?((/include)?/disas.*)	No	40,854	0.00
fpu	(/qemu)?((/include)?(/fpu|/libdecnumber)/.*)	No	15,255	0.00
io	(/qemu)?((/include)?/io/.*)	No	5,135	0.19
ipmi	(/qemu)?((/include)?/hw/ipmi/.*)	No	4,044	0.00
migration	(/qemu)?((/include)?/migration/.*)	No	23,423	0.00
monitor	(/qemu)?(/qapi.*|/qobject/.*|/monitor\..*|/[hq]mp\..*)	No	100,134	0.00
nbd	(/qemu)?(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c)	No	4,795	0.00
net	(/qemu)?((/include)?(/hw)?/(net|rdma)/.*)	No	68,976	0.03
pci	(/qemu)?(/include)?/hw/(cxl/|pci).*	No	25,253	0.00
qemu-ga	(/qemu)?(/qga/.*)	No	13,709	0.00
scsi	(/qemu)?(/scsi/.*|/hw/scsi/.*|/include/hw/scsi/.*)	No	20,616	0.00
trace	(/qemu)?(/.*trace.*\.[ch])	No	213,784	0.00
ui	(/qemu)?((/include)?(/ui|/hw/display|/hw/input)/.*)	No	88,299	0.05
usb	(/qemu)?(/hw/usb/.*|/include/hw/usb/.*)	No	34,430	0.03
user	(/qemu)?(/linux-user/.*|/bsd-user/.*|/user-exec\.c|/thunk\.c|/include/exec/user/.*)	No	46,546	0.06
util	(/qemu)?(/util/.*|/include/qemu/.*)	No	28,689	0.03
vfio	(/qemu)?(/include)?/hw/vfio/.*	No	9,588	0.10
virtio	(/qemu)?(/include)?/hw/virtio/.*	No	23,409	0.04
xen	(/qemu)?(.*/xen.*)	No	19,431	0.00
hvf	(/qemu)?(.*/hvf.*)	No	40	0.00
kvm	(/qemu)?(.*/kvm.*)	No	6,024	0.00
tcg	(/qemu)?(/accel/tcg|/replay|/tcg)/.*	No	31,169	0.00
sysemu	(/qemu)?(/softmmu/.*|/accel/.*)	No	16,231	0.00
testlibs	(/qemu)?(/tests/qtest(/libqos/.*|/libqtest.*))	No	11,382	0.09
tests	(/qemu)?(/tests/.*)	No	84,937	0.81
(headers)	(/qemu)?(/include/.*)	No	32,545	0.00
Other	.*	No	603,081	0.03

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	25
676	Use of Potentially Dangerous Function	2

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