Coverity Scan: QEMU

Project Name QEMU
Lines of code analyzed 2,602,729
On Coverity Scan since Apr 17, 2013
Last build analyzed 6 months ago
   
Language C/C++
Repository URL git://git.qemu.org/qemu.git
Homepage URL http://www.qemu.org/
License GPL (GNU General Public License version )

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Analysis Metrics

Version: v7.1.0-407-g56d32254b4

Sep 25, 2022
Last Analyzed
2,602,729
Lines of Code Analyzed
2,591,586
Lines of Code in Selected Components
0.08
Defect Density

Defect changes since previous build dated Sep 24, 2022

0
Newly detected
0
Eliminated

Defects by status for current build

4,777
Total defects
202
Outstanding
3,752
Fixed
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 5,458 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 173,126 0.06
avr (/qemu)?((/include)?/hw/avr/.*|/target/avr/.*) No 3,348 0.00
cris (/qemu)?((/include)?/hw/cris/.*|/target/cris/.*) No 6,168 0.00
i386 (/qemu)?((/include)?/hw/i386/.*|/target/i386/.*|/hw/intc/[^/]*apic[^/]*\.c) No 56,847 0.09
mips (/qemu)?((/include)?/hw/mips/.*|/target/mips/.*) No 50,613 0.12
nios2 (/qemu)?((/include)?/hw/nios2/.*|/target/nios2/.*) No 2,462 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 86,863 0.00
rx (/qemu)?((/include)?/hw/rx/.*|/target/rx/.*) No 4,336 0.00
s390 (/qemu)?((/include)?/hw/s390x/.*|/target/s390x/.*|/hw/.*/s390_.*) No 36,668 0.03
sh4 (/qemu)?((/include)?/hw/sh4/.*|/target/sh4/.*) No 5,966 0.00
sparc (/qemu)?((/include)?/hw/sparc(64)?.*|/target/sparc/.*|/hw/.*/grlib.*|/hw/display/cg3.c) No 16,628 0.00
tricore (/qemu)?((/include)?/hw/tricore/.*|/target/tricore/.*) No 13,033 0.00
9pfs (/qemu)?(/hw/9pfs/.*|/fsdev/.*) No 11,078 0.00
audio (/qemu)?((/include)?/(audio|hw/audio)/.*) No 18,008 0.00
block (/qemu)?(/block.*|(/include?)(/hw)?/(block|storage-daemon)/.*|(/include)?/hw/ide/.*|/qemu-(img|io).*|/util/(aio|async|thread-pool).*) No 91,185 0.02
char (/qemu)?(/qemu-char\.c|/include/sysemu/char\.h|(/include)?/hw/char/.*) No 10,064 0.10
crypto (/qemu)?((/include)?/crypto/.*|/hw/.*/crypto.*) No 8,937 0.00
disas (/qemu)?((/include)?/disas.*) No 39,473 0.00
fpu (/qemu)?((/include)?(/fpu|/libdecnumber)/.*) No 15,109 0.00
io (/qemu)?((/include)?/io/.*) No 4,971 0.20
ipmi (/qemu)?((/include)?/hw/ipmi/.*) No 4,044 0.25
migration (/qemu)?((/include)?/migration/.*) No 21,834 0.00
monitor (/qemu)?(/qapi.*|/qobject/.*|/monitor\..*|/[hq]mp\..*) No 91,111 0.00
nbd (/qemu)?(/nbd/.*|/include/block/nbd.*|/qemu-nbd\.c) No 4,728 0.00
net (/qemu)?((/include)?(/hw)?/(net|rdma)/.*) No 60,249 0.27
pci (/qemu)?(/hw/pci.*|/include/hw/pci.*) No 20,944 0.14
qemu-ga (/qemu)?(/qga/.*) No 13,322 0.00
scsi (/qemu)?(/scsi/.*|/hw/scsi/.*|/include/hw/scsi/.*) No 20,397 0.05
trace (/qemu)?(/.*trace.*\.[ch]) No 207,663 0.00
ui (/qemu)?((/include)?(/ui|/hw/display|/hw/input)/.*) No 66,060 0.09
usb (/qemu)?(/hw/usb/.*|/include/hw/usb/.*) No 34,288 0.09
user (/qemu)?(/linux-user/.*|/bsd-user/.*|/user-exec\.c|/thunk\.c|/include/exec/user/.*) No 45,197 0.00
util (/qemu)?(/util/.*|/include/qemu/.*) No 26,214 0.00
xen (/qemu)?(.*/xen.*) No 17,065 0.00
virtiofsd (/qemu)?(/tools/virtiofsd/.*) No 8,178 0.24
(headers) (/qemu)?(/include/.*) No 36,158 0.14
testlibs (/qemu)?(/tests/qtest(/libqos/.*|/libqtest.*)) No 9,570 0.10
tests (/qemu)?(/tests/.*) No 112,803 0.78
hppa (/qemu)?((/include)?/hw/hppa/.*|/target/hppa/.*) No 5,825 0.00
hexagon (/qemu)?(/target/hexagon/.*) No 108,410 0.00
hvf (/qemu)?(.*/hvf.*) No 0 N/A
kvm (/qemu)?(.*/kvm.*) No 5,341 0.00
sysemu (/qemu)?(/softmmu/.*|/accel/.*) No 23,942 0.13
tcg (/qemu)?(/accel/tcg/|/replay/|tcg/).* No 1,656 0.00
microblaze (/qemu)?((/include)?/hw/microblaze/.*|/target/microblaze/.*) No 3,735 0.00
capstone (/qemu)?(/capstone/.*) No 0 N/A
loongarch (/qemu)?((/include)?/hw/(loongarch/.*|.*/loongarch.*)|/target/loongarch/.*) No 7,775 0.00
slirp (/qemu)?(/slirp/.*) Yes 11,143 N/A
riscv (/qemu)?((/include)?/hw/riscv/.*|/target/riscv/.*|/hw/.*/(riscv_|ibex_|sifive_).*) No 32,412 0.25
m68k (/qemu)?((/include)?/hw/m68k/.*|/target/m68k/.*|(/include)?/hw(/.*)?/mcf.*|(/include)?/hw/nubus/.*) No 15,269 0.13
Other .* No 927,055 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 13
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