I have added some crash guards to the is_local_hostname() function in cups-browsed:
https://github.com/OpenPrinting/cups- filters/commit/4157690bf0a40be1030ed19da7f70d41b9f27f86 I hope this helps. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cups-filters in Ubuntu. https://bugs.launchpad.net/bugs/1863716 Title: cups-browsed crashed with SIGSEGV in __strncasecmp_l_avx() Status in cups-filters package in Ubuntu: In Progress Bug description: seen with current focal ProblemType: Crash DistroRelease: Ubuntu 20.04 Package: cups-browsed 1.27.0-2 ProcVersionSignature: Ubuntu 5.4.0-14.17-generic 5.4.18 Uname: Linux 5.4.0-12-generic x86_64 NonfreeKernelModules: nvidia_modeset nvidia ApportVersion: 2.20.11-0ubuntu16 Architecture: amd64 CupsErrorLog: Date: Fri Feb 14 07:21:58 2020 ExecutablePath: /usr/sbin/cups-browsed InstallationDate: Installed on 2019-01-12 (401 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) Lpstat: device for Canon_MG2900_series_Martin_s_MacBook: ///dev/null device for DYMO_LabelWriter_4XL_Lily_s_MacBook_Pro: ///dev/null device for EPSON_Epson_Stylus_Office_BX925_MacBook_Pro_de_Justine: ///dev/null device for HP_LaserJet_MFP_M129_M134_Akilesh_s_MacBook_Air: ///dev/null device for IBC_Bur_7_MacBook_Pro_de_gregory: ///dev/null MachineType: LENOVO 20MFCTO1WW Papersize: letter ProcAttrCurrent: /usr/sbin/cups-browsed (enforce) ProcCmdline: /usr/sbin/cups-browsed ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-14-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7 SegvAnalysis: Segfault happened at: 0x7fab29a23c5f <__strncasecmp_l_avx+91>: vmovdqu (%rdi),%xmm1 PC (0x7fab29a23c5f) ok source "(%rdi)" (0x00000000) not located in a known VMA region (needed readable region)! destination "%xmm1" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: cups-filters StacktraceTop: __strncasecmp_l_avx () at ../sysdeps/x86_64/multiarch/strcmp-sse42.S:199 ?? () ?? () avahi_service_resolver_event () from /usr/lib/x86_64-linux-gnu/libavahi-client.so.3 ?? () from /usr/lib/x86_64-linux-gnu/libavahi-client.so.3 Title: cups-browsed crashed with SIGSEGV in __strncasecmp_l_avx() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: dmi.bios.date: 10/28/2019 dmi.bios.vendor: LENOVO dmi.bios.version: N2EET43W (1.25 ) dmi.board.asset.tag: Not Available dmi.board.name: 20MFCTO1WW dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN2EET43W(1.25):bd10/28/2019:svnLENOVO:pn20MFCTO1WW:pvrThinkPadX1Extreme:rvnLENOVO:rn20MFCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad X1 Extreme dmi.product.name: 20MFCTO1WW dmi.product.sku: LENOVO_MT_20MF_BU_Think_FM_ThinkPad X1 Extreme dmi.product.version: ThinkPad X1 Extreme dmi.sys.vendor: LENOVO separator: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups-filters/+bug/1863716/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
