** Changed in: systemd (Ubuntu) Status: New => In Progress ** Changed in: systemd (Ubuntu) Assignee: (unassigned) => Martin Pitt (pitti)
** Description changed: I was doing some testing and found that if I create /etc/udev/rules.d/70-test.rules with: KERNEL=="kmsg", TAG+="test.some-test-name.1" KERNEL=="kmsg", TAG+="test.some-test-name.2" ... KERNEL=="kmsg", TAG+="test.some-test-name.10000" Then run: 'sudo udevadm trigger', I could reliably trigger this crash. + + + for i in `seq 10000`; do printf 'KERNEL=="kmsg", TAG+="test%i"\n' $i; done > /etc/udev/rules.d/70-manytags.rules ProblemType: Crash DistroRelease: Ubuntu 16.04 Package: udev 229-3ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6 Uname: Linux 4.4.0-16-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 CrashCounter: 1 CustomUdevRuleFiles: 70-snappy-baz.norf.rules 70-snappy-hello-world.rules 70-snappy_hwassign_hello-world.rules 70-snappy-foo.bar.rules Date: Fri Apr 1 10:48:50 2016 ExecutablePath: /lib/systemd/systemd-udevd InstallationDate: Installed on 2015-06-13 (292 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: Dell Inc. XPS 13 9343 ProcCmdline: /lib/systemd/systemd-udevd ProcEnviron: - LANG=en_US.UTF-8 - PATH=(custom, no user) + LANG=en_US.UTF-8 + PATH=(custom, no user) ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic.efi.signed root=UUID=7bc4dcd2-0bd8-4e42-b8b7-9f1ed6b8a3e9 ro libata.force=noncq kaslr quiet splash vt.handoff=7 Signal: 11 SourcePackage: systemd StacktraceTop: - ?? () - ?? () - ?? () - ?? () - ?? () + ?? () + ?? () + ?? () + ?? () + ?? () Title: systemd-udevd crashed with SIGSEGV UpgradeStatus: Upgraded to xenial on 2016-01-12 (80 days ago) UserGroups: - + dmi.bios.date: 11/11/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 0310JH dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA07:bd11/11/2015:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 13 9343 dmi.sys.vendor: Dell Inc. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1564976 Title: systemd-udevd crashed with SIGSEGV with rules file appending large number of tags Status in systemd package in Ubuntu: In Progress Bug description: I was doing some testing and found that if I create /etc/udev/rules.d/70-test.rules with: KERNEL=="kmsg", TAG+="test.some-test-name.1" KERNEL=="kmsg", TAG+="test.some-test-name.2" ... KERNEL=="kmsg", TAG+="test.some-test-name.10000" Then run: 'sudo udevadm trigger', I could reliably trigger this crash. for i in `seq 10000`; do printf 'KERNEL=="kmsg", TAG+="test%i"\n' $i; done > /etc/udev/rules.d/70-manytags.rules ProblemType: Crash DistroRelease: Ubuntu 16.04 Package: udev 229-3ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-16.32-generic 4.4.6 Uname: Linux 4.4.0-16-generic x86_64 ApportVersion: 2.20-0ubuntu3 Architecture: amd64 CrashCounter: 1 CustomUdevRuleFiles: 70-snappy-baz.norf.rules 70-snappy-hello-world.rules 70-snappy_hwassign_hello-world.rules 70-snappy-foo.bar.rules Date: Fri Apr 1 10:48:50 2016 ExecutablePath: /lib/systemd/systemd-udevd InstallationDate: Installed on 2015-06-13 (292 days ago) InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422) MachineType: Dell Inc. XPS 13 9343 ProcCmdline: /lib/systemd/systemd-udevd ProcEnviron: LANG=en_US.UTF-8 PATH=(custom, no user) ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-16-generic.efi.signed root=UUID=7bc4dcd2-0bd8-4e42-b8b7-9f1ed6b8a3e9 ro libata.force=noncq kaslr quiet splash vt.handoff=7 Signal: 11 SourcePackage: systemd StacktraceTop: ?? () ?? () ?? () ?? () ?? () Title: systemd-udevd crashed with SIGSEGV UpgradeStatus: Upgraded to xenial on 2016-01-12 (80 days ago) UserGroups: dmi.bios.date: 11/11/2015 dmi.bios.vendor: Dell Inc. dmi.bios.version: A07 dmi.board.name: 0310JH dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA07:bd11/11/2015:svnDellInc.:pnXPS139343:pvr:rvnDellInc.:rn0310JH:rvrA00:cvnDellInc.:ct9:cvr: dmi.product.name: XPS 13 9343 dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1564976/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp