Coverity Scan: QEMU

Analysis Metrics

Version: v9.0.0-2614-g8e466dd092

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.

---

Analysis Metrics per Components

Component Name	Pattern	Ignore	Line of Code	Defect density
alpha	.*/qemu((/include)?/hw/alpha/.*|/target/alpha/.*)	No	5,341	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	184,492	0.03
avr	.*/qemu((/include)?/hw/avr/.*|/target/avr/.*)	No	3,216	0.00
cris	.*/qemu((/include)?/hw/cris/.*|/target/cris/.*)	No	5,934	0.00
hexagon-gen	.*/qemu(/target/hexagon/.*generated.*)	Yes	0	N/A
hexagon	.*/qemu(/target/hexagon/.*)	No	22,632	0.04
hppa	.*/qemu((/include)?/hw/hppa/.*|/target/hppa/.*)	No	7,103	0.00
i386	.*/qemu((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c)	No	68,136	0.10
loongarch	.*/qemu((/include)?/hw/(loongarch/.*|.*/loongarch.*)|/target/loongarch/.*)	No	19,624	0.10
m68k	.*/qemu((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*|(/include)?/hw/nubus/.*)	No	16,574	0.18
microblaze	.*/qemu((/include)?/hw/microblaze/.*|/target/microblaze/.*)	No	3,720	0.00
mips	.*/qemu((/include)?/hw/mips/.*|/target/mips/.*)	No	51,569	0.02
openrisc	.*/qemu((/include)?/hw/openrisc/.*|/target/openrisc/.*)	No	3,887	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	91,564	0.00
riscv	.*/qemu((/include)?/hw/riscv/.*|/target/riscv/.*|/hw/.*/(riscv_|ibex_|sifive_).*)	No	43,145	0.23
rx	.*/qemu((/include)?/hw/rx/.*|/target/rx/.*)	No	4,217	0.00
s390	.*/qemu((/include)?/hw/s390x/.*|/target/s390x/.*|/hw/.*/s390_.*)	No	37,255	0.03
sh4	.*/qemu((/include)?/hw/sh4/.*|/target/sh4/.*)	No	5,905	0.17
sparc	.*/qemu((/include)?/hw/sparc(64)?.*|/target/sparc/.*|/hw/.*/grlib.*|/hw/display/cg3.c)	No	15,977	0.00
tricore	.*/qemu((/include)?/hw/tricore/.*|/target/tricore/.*)	No	12,845	0.08
xtensa	.*/qemu((/include)?/hw/xtensa/.*|/target/xtensa/.*)	No	337,718	0.01
9pfs	.*/qemu(/hw/9pfs/.*|/fsdev/.*)	No	11,138	0.00
audio	.*/qemu((/include)?/(audio|hw/audio)/.*)	No	21,206	0.05
block	.*/qemu(/block.*|(/include?)/(block|storage-daemon)/.*|(/include)?/hw/(block|ide|nvme)/.*|/qemu-(img|io).*|/util/(aio|async|thread-pool).*)	No	116,954	0.13
char	.*/qemu((/include)?/hw/char/.*)	No	9,907	0.00
chardev	.*/qemu((/include)?/chardev/.*)	No	6,789	0.00
crypto	.*/qemu((/include)?/crypto/.*|/hw/.*/.*crypto.*|(/include/sysemu|/backends)/cryptodev.*|/host/include/.*/host/crypto/.*)	No	13,150	0.08
disas	.*/qemu((/include)?/disas.*)	No	38,195	0.00
fpu	.*/qemu((/include)?(/fpu|/libdecnumber)/.*)	No	15,283	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	23,298	0.13
monitor	.*/qemu((/include)?/(qapi|qobject|monitor)/.*|/job-qmp.c)	No	10,487	0.00
nbd	.*/qemu(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c)	No	5,183	0.00
net	.*/qemu((/include)?(/hw)?/(net|rdma)/.*)	No	67,154	0.12
pci	.*/qemu(/include)?/hw/(cxl/|pci).*	No	29,108	0.03
qemu-ga	.*/qemu(/qga/.*)	No	5,537	0.36
scsi	.*/qemu(/scsi/.*|/hw/scsi/.*|/include/hw/scsi/.*)	No	20,934	0.14
trace	.*/qemu(/.*trace.*\.[ch])	No	4,694	0.00
ui	.*/qemu((/include)?(/ui|/hw/display|/hw/input)/.*)	No	67,728	0.12
usb	.*/qemu(/hw/usb/.*|/include/hw/usb/.*)	No	34,396	0.06
user	.*/qemu(/linux-user/.*|/bsd-user/.*|/user-exec\.c|/thunk\.c|/include/user/.*)	No	46,813	0.11
util	.*/qemu(/util/.*|/include/qemu/.*)	No	26,889	0.00
vfio	.*/qemu(/include)?/hw/vfio/.*	No	10,742	0.09
virtio	.*/qemu(/include)?/hw/virtio/.*	No	24,804	0.20
xen	.*/qemu(.*/xen.*)	No	12,299	0.00
hvf	.*/qemu(.*/hvf.*)	No	37	0.00
kvm	.*/qemu(.*/kvm.*)	No	5,160	0.78
tcg	.*/qemu(/accel/tcg|/replay|/tcg)/.*	No	32,337	0.03
sysemu	.*/qemu(/system/.*|/accel/.*)	No	16,517	0.30
(headers)	.*/qemu(/include/.*)	No	32,501	0.00
testlibs	.*/qemu(/tests/qtest(/libqos/.*|/libqtest.*|/libqmp.*))	No	11,913	0.00
tests	.*/qemu(/tests/.*)	No	82,849	0.83
Other	.*	No	1,156,258	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	213

About Coverity Scan Static Analysis

Find and fix defects in your C/C++, Java, JavaScript or C# open source project for free.

Coverity Scan tests every line of code and potential execution path. The root cause of each defect is clearly explained, making it easy to fix bugs.