Coverity Scan: Linux
| Project Name | Linux |
|---|---|
| Lines of code analyzed | 18,554,511 |
| On Coverity Scan since | Feb 24, 2006 |
| Last build analyzed | 8 days ago |
| Language | C/C++ |
| Repository URL | http://git.kernel.org/ |
| Homepage URL | N/A |
| License | N/A |
Preview - Project Summary
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Version: 5.15.0-rc5
- Oct 11, 2021
- Last Analyzed
- 18,554,511
- Lines of Code Analyzed
- 0.41
- Defect Density
Defect changes since previous build dated Oct 04, 2021
- 2
- Newly detected
- 3
- Eliminated
Defects by status for current build
- 44,617
- Total defects
- 7,654
- Outstanding
- 36,266
- Fixed
See how defect density for 'Linux' 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 |
|---|---|---|---|---|
| ACPI | .*/acpi/.* | No | 102,778 | 0.41 |
| Block | .*/block/.* | No | 105,258 | 0.68 |
| Crypto | .*/crypto/.* | No | 192,062 | 0.58 |
| KVM | /virt/kvm/.*|/arch/x86/kvm/.* | No | 60,401 | 0.73 |
| Arch-x86 | .*/arch/x86/.* | No | 190,496 | 0.59 |
| Kernel | .*/kernel/.* | No | 258,034 | 0.62 |
| Lib | .*/lib/.* | No | 593,169 | 0.34 |
| MM | .*/mm/.* | No | 92,978 | 0.95 |
| Sound-line6 | .*/sound/usb/line6/.* | No | 3,843 | 0.78 |
| Sound | .*/sound/.* | No | 976,984 | 0.24 |
| Security-Apparmor | .*/security/apparmor/.* | No | 12,967 | 0.85 |
| Security-Integrity | .*/security/integrity/.* | No | 7,887 | 0.76 |
| Security-SMACK | .*/security/smack/.* | No | 5,497 | 0.36 |
| Security-SELinux | .*/security/selinux/.* | No | 22,770 | 0.35 |
| Security-Tomoyo | .*/security/tomoyo/.* | No | 8,269 | 0.36 |
| Security-Yama | .*/security/yama/.* | No | 334 | 0.00 |
| Security | .*/security/.* | No | 15,064 | 0.60 |
| FS-9P | .*/fs/9p/.* | No | 4,759 | 0.42 |
| FS-AFS | .*/fs/afs/.* | No | 17,463 | 0.86 |
| FS-BTRFS | .*/fs/btrfs.* | No | 104,031 | 0.52 |
| FS-CEPH | .*/fs/ceph/.* | No | 22,209 | 0.99 |
| FS-CIFS | .*/fs/cifs/.* | No | 57,972 | 0.26 |
| FS-EXTn | .*/fs/ext.*/.* | No | 50,376 | 0.58 |
| FS-GFS2 | .*/fs/gfs2/.* | No | 22,998 | 0.70 |
| FS-HFS | .*/fs/hfs/.* | No | 4,590 | 0.87 |
| FS-HFSPlus | .*/fs/hfsplus/.* | No | 9,331 | 0.64 |
| FS-JBD | .*/fs/jbd.*/.* | No | 5,719 | 1.05 |
| FS-JFS | .*/fs/jfs/.* | No | 17,675 | 1.47 |
| FS-JFFS2 | .*/fs/jffs2/.* | No | 13,507 | 0.89 |
| FS-NFS | .*/fs/nfs/.* | No | 61,008 | 0.70 |
| FS-NFSD | .*/fs/nfsd/.* | No | 32,345 | 0.62 |
| FS-NILFS2 | .*/fs/nilfs2/.* | No | 16,166 | 0.37 |
| FS-NTFS | .*/fs/ntfs/.* | No | 17,247 | 1.04 |
| FS-OCFS2 | .*/fs/ocfs2/.* | No | 67,128 | 1.34 |
| FS-PROC | .*/fs/proc/.* | No | 11,805 | 0.34 |
| FS-Reiserfs | .*/fs/reiserfs/.* | No | 21,543 | 0.51 |
| FS-UBIFS | .*/fs/ubifs/.* | No | 24,402 | 0.66 |
| FS-UDF | .*/fs/udf/.* | No | 8,790 | 0.57 |
| FS-UFS | .*/fs/ufs/.* | No | 5,790 | 1.21 |
| FS-XFS | .*/fs/xfs/.* | No | 96,325 | 0.37 |
| FS | .*/fs/.* | No | 348,300 | 0.80 |
| Drivers-ATA | .*/drivers/ata/.* | No | 51,391 | 0.21 |
| Drivers-ATM | .*/drivers/atm/.* | No | 31,275 | 0.32 |
| Drivers-Bluetooth | .*/drivers/bluetooth/.* | No | 22,891 | 0.22 |
| Drivers-char | .*/drivers/char/.* | No | 55,088 | 0.53 |
| GPU-GMA500 | .*/drivers/gpu/drm/gma500/.* | No | 17,217 | 0.93 |
| GPU-i915 | .*/drivers/gpu/drm/i915/.* | No | 229,284 | 0.69 |
| GPU-Nouveau | .*/drivers/gpu/drm/nouveau/.* | No | 150,939 | 0.78 |
| GPU-qxl | .*/drivers/gpu/drm/qxl/.* | No | 4,936 | 1.01 |
| GPU-Radeon | .*/drivers/gpu/drm/radeon/.* | No | 159,556 | 0.48 |
| Drivers-GPU | .*/drivers/gpu/.* | No | 3,049,399 | 0.18 |
| Drivers-HID | .*/drivers/hid/.* | No | 78,816 | 0.38 |
| Drivers-i2c | .*/drivers/i2c/.* | No | 59,885 | 0.23 |
| Drivers-HWMON | .*/drivers/hwmon/.* | No | 128,679 | 0.13 |
| Drivers-Infiniband | .*/drivers/infiniband/.* | No | 325,949 | 0.56 |
| Drivers-Input | .*/drivers/input/.* | No | 143,232 | 0.35 |
| Drivers-IDE | .*/drivers/ide/.* | No | 0 | N/A |
| Drivers-IIO | .*/drivers/iio/.* | No | 202,426 | 0.35 |
| Drivers-ISDN | .*/drivers/isdn/.* | No | 34,413 | 0.32 |
| Drivers-EDAC | .*/drivers/edac/.* | No | 26,006 | 0.50 |
| Drivers-Firewire | .*/drivers/firewire/.* | No | 10,997 | 0.55 |
| Drivers-MD | .*/drivers/md/.* | No | 103,339 | 0.83 |
| Drivers-MFD | .*/drivers/mfd/.* | No | 84,311 | 0.15 |
| Drivers-Media | .*/drivers/media/.* | No | 993,474 | 0.36 |
| Drivers-Message | .*/drivers/message/.* | No | 24,667 | 0.61 |
| Drivers-Platform | .*/drivers/platform/.* | No | 87,287 | 0.49 |
| Drivers-PCI | .*/drivers/pci/.* | No | 73,452 | 0.49 |
| Drivers-RTC | .*/drivers/rtc/.* | No | 52,442 | 0.25 |
| Drivers-TTY | .*/drivers/tty/.* | No | 99,873 | 0.32 |
| Ethernet-broadcom | .*/drivers/net/ethernet/broadcom/.* | No | 145,841 | 0.24 |
| Ethernet-DEC | .*/drivers/net/ethernet/dec/.* | No | 14,718 | 0.27 |
| Ethernet-Chelsio | .*/drivers/net/ethernet/chelsio/.* | No | 83,182 | 0.40 |
| Ethernet-Emulex | .*/drivers/net/ethernet/emulex/.* | No | 13,076 | 0.46 |
| Ethernet-Intel | .*/drivers/net/ethernet/intel/.* | No | 213,743 | 0.16 |
| Ethernet-Mellanox | .*/drivers/net/ethernet/mellanox/.* | No | 184,738 | 0.30 |
| Ethernet-Neterion | .*/drivers/net/ethernet/neterion/.* | No | 23,755 | 0.84 |
| Ethernet-QLogic | .*/drivers/net/ethernet/qlogic/.* | No | 110,939 | 0.41 |
| Ethernet-SFC | /drivers/net/ethernet/sfc/.* | No | 60,147 | 0.22 |
| Drivers-Ethernet | .*/drivers/net/ethernet/.* | No | 613,747 | 0.36 |
| Drivers-Misc | .*/drivers/misc/.* | No | 174,393 | 0.39 |
| Drivers-MTD | .*/drivers/mtd/.* | No | 112,673 | 0.75 |
| WIFI-Atheros | .*/drivers/net/wireless/ath/.* | No | 267,377 | 0.21 |
| WIFI-b43 | .*/drivers/net/wireless/b43/.* | No | 0 | N/A |
| WIFI-b43legacy | .*/drivers/net/wireless/b43legacy/.* | No | 0 | N/A |
| WIFI-brcm80211 | .*/drivers/net/wireless/brcm80211/.* | No | 0 | N/A |
| WIFI-cw1200 | .*/drivers/net/wireless/cw1200/.* | No | 0 | N/A |
| WIFI-ipw2x00 | .*/drivers/net/wireless/ipw2x00/.* | No | 0 | N/A |
| WIFI-iwlegacy | .*/drivers/net/wireless/iwlegacy/.* | No | 0 | N/A |
| WIFI-iwlwifi | .*/drivers/net/wireless/iwlwifi/.* | No | 0 | N/A |
| WIFI-mwifiex | .*/drivers/net/wireless/mwifiex/.* | No | 0 | N/A |
| WIFI-rt2x00 | .*/drivers/net/wireless/rt2x00/.* | No | 0 | N/A |
| WIFI-rtl818x | .*/drivers/net/wireless/rtl818x/.* | No | 0 | N/A |
| WIFI-rtl8821 | .*/drivers/net/wireless/rtlwifi/rtl8821ae/.* | No | 0 | N/A |
| WIFI-rtlwifi | .*/drivers/net/wireless/rtlwifi/.* | No | 0 | N/A |
| WIFI-TI | .*/drivers/net/wireless/ti/.* | No | 31,600 | 0.32 |
| Drivers-wireless | .*/drivers/net/wireless/.* | No | 789,299 | 0.37 |
| Drivers-Net | .*/drivers/net/.* | No | 351,329 | 0.42 |
| Drivers-MMC | .*/drivers/mmc/.* | No | 78,748 | 0.47 |
| Drivers-SPI | .*/drivers/spi/.* | No | 63,602 | 0.49 |
| Drivers-UWB | .*/drivers/uwb/.*.* | No | 0 | N/A |
| Drivers-Framebuffer | .*/drivers/video/.* | No | 183,078 | 0.43 |
| Drivers-Watchdog | .*/drivers/watchdog/.* | No | 31,473 | 0.38 |
| Drivers-Xen | .*/drivers/xen/.* | No | 22,836 | 1.36 |
| Staging-comedi | .*/drivers/staging/comedi/.* | No | 0 | N/A |
| Staging-iio | .*/drivers/staging/iio/.* | No | 8,047 | 0.87 |
| Staging-lustre | .*/drivers/staging/lustre/.* | No | 0 | N/A |
| Staging-media | .*/drivers/staging/media/.* | No | 156,803 | 0.30 |
| Staging-rtl8188eu | .*/drivers/staging/rtl8188eu/.* | No | 0 | N/A |
| Staging-rtl8192e | .*/drivers/staging/rtl8192e/.* | No | 24,225 | 0.45 |
| Staging-rtl8192u | .*/drivers/staging/rtl8192u/.* | No | 21,567 | 0.42 |
| Staging-rtl8712 | .*/drivers/staging/rtl8712/.* | No | 21,829 | 1.01 |
| Staging-vt6655 | .*/drivers/staging/vt6655/.* | No | 8,014 | 0.12 |
| Staging-rts5208 | .*/drivers/staging/rts5208/.* | No | 18,902 | 0.74 |
| Staging-unisys | .*/drivers/staging/unisys/.* | No | 2,963 | 0.00 |
| Staging-vt6656 | .*/drivers/staging/vt6656/.* | No | 4,567 | 0.00 |
| Drivers-Staging | .*/drivers/staging/.* | No | 205,072 | 0.61 |
| Drivers-USB | .*/drivers/usb/.* | No | 357,659 | 0.43 |
| SCSI-aic7xxx | .*/drivers/scsi/aic7xxx/.* | No | 30,105 | 0.40 |
| SCSI-be2iscsi | .*/drivers/scsi/be2iscsi/.* | No | 10,781 | 1.39 |
| SCSI-bfa | .*/drivers/scsi/bfa/.* | No | 42,406 | 0.42 |
| SCSI-bnx2fc | .*/drivers/scsi/bnx2fc/.* | No | 8,167 | 0.37 |
| SCSI-csiostor | .*/drivers/scsi/csiostor/.* | No | 12,794 | 1.17 |
| SCSI-isci | .*/drivers/scsi/isci/.* | No | 13,272 | 0.38 |
| SCSI-lpfc | .*/drivers/scsi/lpfc/.* | No | 82,314 | 1.69 |
| SCSI-megaraid | .*/drivers/scsi/megaraid/.* | No | 18,313 | 0.44 |
| SCSI-mpt2sas | .*/drivers/scsi/mpt2sas/.* | No | 0 | N/A |
| SCSI-mpt3sas | .*/drivers/scsi/mpt3sas/.* | No | 30,383 | 0.63 |
| SCSI-pm8001 | .*/drivers/scsi/pm8001/.* | No | 14,017 | 0.86 |
| SCSI-qla2xxx | .*/drivers/scsi/qla2xxx/.* | No | 71,930 | 0.29 |
| SCSI-qla4xxx | .*/drivers/scsi/qla4xxx/.* | No | 21,764 | 0.87 |
| Drivers-SCSI | .*/drivers/scsi/.* | No | 339,607 | 0.41 |
| Drivers-target | .*/drivers/target/.* | No | 46,539 | 0.67 |
| Drivers-NFC | /drivers/nfc/.* | No | 19,822 | 0.45 |
| Drivers | .*/drivers/.* | No | 1,509,136 | 0.33 |
| Net-802 | .*/net/802.*/.* | No | 4,341 | 0.23 |
| Net-Bluetooth | .*/net/bluetooth/.* | No | 50,300 | 0.30 |
| Net-bridge | .*/net/bridge/.* | No | 27,521 | 0.33 |
| Net-CAIF | .*/net/caif/.* | No | 4,863 | 1.65 |
| Net-Core | .*/net/core/.* | No | 61,998 | 0.23 |
| Net-DCCP | .*/net/dccp/.* | No | 7,745 | 0.90 |
| Net-DECNET | .*/net/decnet/.* | No | 7,931 | 0.88 |
| Net-ipv4 | .*/net/ipv4/.* | No | 78,983 | 0.61 |
| Net-ipv6 | .*/net/ipv6/.* | No | 57,856 | 0.50 |
| Net-IRDA | .*/net/irda/.* | No | 0 | N/A |
| Net-mac80211 | .*/net/mac80211/.* | No | 53,861 | 0.04 |
| Net-NFC | .*/net/nfc/.* | No | 15,444 | 0.58 |
| Net-SCTP | .*/net/sctp/.* | No | 29,805 | 0.50 |
| Net-SunRPC | .*/net/sunrpc/.* | No | 32,760 | 0.49 |
| Net-sched | .*/net/sched/.* | No | 49,252 | 0.37 |
| Net-Wireless | .*/net/wireless/.* | No | 37,350 | 0.11 |
| Net-XFRM | .*/net/xfrm/.* | No | 14,432 | 0.55 |
| Networking | .*/net/.* | No | 409,490 | 0.53 |
| Tools | /tools/.* | No | 305,002 | 2.25 |
| arm64 | .*/arch/arm64/.* | No | 0 | N/A |
| arm | .*/arch/arm/.* | No | 427 | 0.00 |
| Powerpc | .*/arch/powerpc/.* | No | 0 | N/A |
| Other | .* | No | 645,257 | 0.15 |
CWE Top 25 defects
| ID | CWE-Name | Number of Defects |
|---|---|---|
| 120 | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') | 19 |
| 134 | Uncontrolled Format String | 1 |
| 190 | Integer Overflow or Wraparound | 83 |
| 676 | Use of Potentially Dangerous Function | 2 |
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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.
