** 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
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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.

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