[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Launchpad Bug Tracker]

This bug was fixed in the package tcsh - 6.18.01-5ubuntu0.16.10.1

---
tcsh (6.18.01-5ubuntu0.16.10.1) yakkety; urgency=medium

  * Add debian/patches/014-do-not-use-union-wait.patch to fix FTBFS
and 024-use-sysmalloc.patch to resolve crash when using tab.
(LP: #1618803)

 -- Brian Murray   Wed, 26 Oct 2016 15:21:59 -0700

** Changed in: tcsh (Ubuntu Yakkety)
   Status: Fix Committed => Fix Released

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  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Walter Garcia-Fontes]

** No longer affects: tcsh

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Anatoly Borodin]

tcsh_6.18.01-5ubuntu0.16.10.1_amd64.deb works for me.

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Jens Elkner]

Yepp, tcsh_6.18.01-5ubuntu0.16.10.1_amd64.deb seems to work.

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Walter Garcia-Fontes]

I tested:
tcsh:
  Installed: 6.18.01-5ubuntu0.16.10.1
  Candidate: 6.18.01-5ubuntu0.16.10.1
  Version table:
 *** 6.18.01-5ubuntu0.16.10.1 400
400 http://archive.ubuntu.com/ubuntu yakkety-proposed/universe amd64 
Packages
100 /var/lib/dpkg/status
 6.18.01-5 500
500 http://archive.ubuntu.com/ubuntu yakkety/universe amd64 Packages

Everything works both in interactive and non-interactive mode.


** Tags removed: verification-needed
** Tags added: verification-done

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Robie Basak]

Hello Walter, or anyone else affected,

Accepted tcsh into yakkety-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/tcsh/6.18.01-5ubuntu0.16.10.1 in a
few hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Changed in: tcsh (Ubuntu Yakkety)
   Status: In Progress => Fix Committed

** Tags added: verification-needed

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Title:
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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Robie Basak]

** Description changed:

  [Impact]
  
-  * This bug makes tcsh unusable in Ubuntu 16.10
+  * This bug makes tab completion unusable in tcsh, making interactive
+ use impractical for users.
  
   * Backporting to the stable release is justified as there are still 8
  months before end of life
  
  [Test Case]
  
   * /bin/tcsh -c "ls-F"
-  This will cause a segmentation fault
+  This will cause a segmentation fault
  
  [Regression Potential]
  
-  * It is not expected that fixing this bug will cause any regression
+  * [racb] We should test general operation of tcsh in both interactive
+ and non-interactive modes.
  
  After upgrading to 16.10, hitting "tab" crashes tcsh.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 16.10
  Package: tcsh 6.18.01-5
  ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
  Uname: Linux 4.4.0-9136-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Aug 31 11:45:01 2016
  Dependencies:
   gcc-6-base 6.2.0-1ubuntu12
   libc6 2.24-0ubuntu1
   libgcc1 1:6.2.0-1ubuntu12
   libtinfo5 6.0+20160625-1ubuntu1
  ExecutablePath: /usr/bin/tcsh
  InstallationDate: Installed on 2013-11-28 (1006 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 
(20131016.1)
  ProcCmdline: -usr/bin/tcsh
  Signal: 11
  SourcePackage: tcsh
  StacktraceTop:
   __GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: tcsh crashed with SIGSEGV in __GI___rewinddir()
  UpgradeStatus: Upgraded to yakkety on 2016-08-31 (0 days ago)
  UserGroups: adm cdrom dip disk kismet lp lpadmin plugdev sambashare saned 
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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Brian Murray]

** Description changed:

  [Impact]
  
-  * This bug makes tab completion unusable in tcsh, making interactive
- use impractical for users.
+  * This bug negatively impacts the usability of tcsh as tab completion
+ causes it to crash.
  
   * Backporting to the stable release is justified as there are still 8
  months before end of life
  
  [Test Case]
  
   * /bin/tcsh -c "ls-F"
   This will cause a segmentation fault
  
  [Regression Potential]
  
-  * [racb] We should test general operation of tcsh in both interactive
- and non-interactive modes.
+  * The patch is rather small and non-invasive, but it'd be good to test
+ tcsh extensively to ensure it has no negative side effects.
  
  After upgrading to 16.10, hitting "tab" crashes tcsh.
  
- ProblemType: Crash
- DistroRelease: Ubuntu 16.10
+ ProblemType: CrashDistroRelease: Ubuntu 16.10
  Package: tcsh 6.18.01-5
  ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
  Uname: Linux 4.4.0-9136-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Aug 31 11:45:01 2016
  Dependencies:
   gcc-6-base 6.2.0-1ubuntu12
   libc6 2.24-0ubuntu1
   libgcc1 1:6.2.0-1ubuntu12
   libtinfo5 6.0+20160625-1ubuntu1
  ExecutablePath: /usr/bin/tcsh
  InstallationDate: Installed on 2013-11-28 (1006 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 
(20131016.1)
  ProcCmdline: -usr/bin/tcsh
- Signal: 11
- SourcePackage: tcsh
+ Signal: 11SourcePackage: tcsh
  StacktraceTop:
   __GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: tcsh crashed with SIGSEGV in __GI___rewinddir()
  UpgradeStatus: Upgraded to yakkety on 2016-08-31 (0 days ago)
  UserGroups: adm cdrom dip disk kismet lp lpadmin plugdev sambashare saned 
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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Chelmite]

I followed the steps in #8 (& put the whole thing into a script!) and it
worked on one system, but not on another. Both are Ubuntu 16.10 x86_64.

% uname -a
Linux green76 4.8.0-26-generic #28-Ubuntu SMP Tue Oct 18 14:39:52 UTC 2016 
x86_64 x86_64 x86_64 GNU/Linux

% dpkg-buildpackage -rfakeroot -uc -b

ends with:
| configure: exit 0

debian/rules:35: recipe for target 'override_dh_auto_test' failed
make[1]: *** [override_dh_auto_test] Error 1
make[1]: Leaving directory '/var/local/src/tcsh/t2/tcsh-6.18.01'
debian/rules:12: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2


** Attachment added: "dpkg-buildpackage log file"
   
https://bugs.launchpad.net/ubuntu/+source/tcsh/+bug/1618803/+attachment/4771456/+files/dpkg-build.out

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[martinzul]

Same here:

~> lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 16.10
Release:16.10
Codename:   yakkety

The workaround at #8 worked perfectly for me, thanks!!

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Walter Garcia-Fontes]

I take comment #20 back, I was introducing a space after "ls". The test
case also works for me.

** Description changed:

  [Impact]
  
   * This bug makes tcsh unusable in Ubuntu 16.10
  
   * Backporting to the stable release is justified as there are still 8
  months before end of life
  
  [Test Case]
  
-  * Open a shell using tcsh, write "rmdi", hit Tab. What should happen?
- The command should autocomplete to "rmdir". What happens? tcsh crashes.
+  * /bin/tcsh -c "ls-F"
+  This will cause a segmentation fault
  
  [Regression Potential]
  
   * It is not expected that fixing this bug will cause any regression
  
  After upgrading to 16.10, hitting "tab" crashes tcsh.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 16.10
  Package: tcsh 6.18.01-5
  ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
  Uname: Linux 4.4.0-9136-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Aug 31 11:45:01 2016
  Dependencies:
   gcc-6-base 6.2.0-1ubuntu12
   libc6 2.24-0ubuntu1
   libgcc1 1:6.2.0-1ubuntu12
   libtinfo5 6.0+20160625-1ubuntu1
  ExecutablePath: /usr/bin/tcsh
  InstallationDate: Installed on 2013-11-28 (1006 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 
(20131016.1)
  ProcCmdline: -usr/bin/tcsh
  Signal: 11
  SourcePackage: tcsh
  StacktraceTop:
   __GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: tcsh crashed with SIGSEGV in __GI___rewinddir()
  UpgradeStatus: Upgraded to yakkety on 2016-08-31 (0 days ago)
  UserGroups: adm cdrom dip disk kismet lp lpadmin plugdev sambashare saned 
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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Fazal Majid]

@brian-murray

The regression was introduced in yakkety, not xenial.

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Title:
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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Brian Murray]

I tested this on xenial and it doesn't seem affected.

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Anatoly Borodin]

I also get a crash with `/bin/tcsh -c "ls-F"`:

```
(gdb) bt
  
#0  0x7f84413711d8 in rewinddir () from /lib/x86_64-linux-gnu/libc.so.6 
 
#1  0x00427985 in ?? () 
  
#2  0x00429431 in ?? () 
  
#3  0x0042a8bb in ?? () 
  
#4  0x004409e8 in ?? () 
  
#5  0x00422cb9 in ?? () 
  
#6  0x004228ff in ?? ()
#7  0x00405afb in ?? ()
#8  0x0040495a in ?? ()
#9  0x7f84412c93f1 in __libc_start_main () from 
/lib/x86_64-linux-gnu/libc.so.6
#10 0x00404ee9 in ?? ()
```

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[ralphb]

#19 does crash for me, both in bash and tcsh:

arcturus ~ > /bin/tcsh -c "ls-F"
Segmentation fault (core dumped)

ralph@arcturus:~$ /bin/tcsh -c "ls-F"
Segmentation fault (core dumped)

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  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Walter Garcia-Fontes]

I tried #19 in a bash shell and I didn't get a crash, it just worked.

** Description changed:

  [Impact]
  
-  * This bug makes tcsh unusable in Ubuntu 16.10
+  * This bug makes tcsh unusable in Ubuntu 16.10
  
-  * Backporting to the stable release is justified as it will be end of
- life only 8 months from now
+  * Backporting to the stable release is justified as there are still 8
+ months before end of life
  
  [Test Case]
  
-  * Open a shell using tcsh, write "rmdi", hit Tab. What should happen?
+  * Open a shell using tcsh, write "rmdi", hit Tab. What should happen?
  The command should autocomplete to "rmdir". What happens? tcsh crashes.
  
  [Regression Potential]
  
-  * It is not expected that fixing this bug will cause any regression
- 
+  * It is not expected that fixing this bug will cause any regression
  
  After upgrading to 16.10, hitting "tab" crashes tcsh.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 16.10
  Package: tcsh 6.18.01-5
  ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
  Uname: Linux 4.4.0-9136-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Aug 31 11:45:01 2016
  Dependencies:
   gcc-6-base 6.2.0-1ubuntu12
   libc6 2.24-0ubuntu1
   libgcc1 1:6.2.0-1ubuntu12
   libtinfo5 6.0+20160625-1ubuntu1
  ExecutablePath: /usr/bin/tcsh
  InstallationDate: Installed on 2013-11-28 (1006 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 
(20131016.1)
  ProcCmdline: -usr/bin/tcsh
  Signal: 11
  SourcePackage: tcsh
  StacktraceTop:
   __GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
   ?? ()
   ?? ()
   ?? ()
   ?? ()
  Title: tcsh crashed with SIGSEGV in __GI___rewinddir()
  UpgradeStatus: Upgraded to yakkety on 2016-08-31 (0 days ago)
  UserGroups: adm cdrom dip disk kismet lp lpadmin plugdev sambashare saned 
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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Fazal Majid]

Another way to reproduce the crash, easier to automate without having to
deal with ptys:

/bin/tcsh -c "ls-F"

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  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Walter Garcia-Fontes]

** Description changed:

+ [Impact]
+ 
+  * This bug makes tcsh unusable in Ubuntu 16.10
+ 
+  * Backporting to the stable release is justified as it will be end of
+ life only 8 months from now
+ 
+ [Test Case]
+ 
+  * Open a shell using tcsh, write "rmdi", hit Tab. What should happen?
+ The command should autocomplete to "rmdir". What happens? tcsh crashes.
+ 
+ [Regression Potential]
+ 
+  * It is not expected that fixing this bug will cause any regression
+ 
+ 
  After upgrading to 16.10, hitting "tab" crashes tcsh.
  
  ProblemType: Crash
  DistroRelease: Ubuntu 16.10
  Package: tcsh 6.18.01-5
  ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
  Uname: Linux 4.4.0-9136-generic x86_64
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.3-0ubuntu7
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Wed Aug 31 11:45:01 2016
  Dependencies:
-  gcc-6-base 6.2.0-1ubuntu12
-  libc6 2.24-0ubuntu1
-  libgcc1 1:6.2.0-1ubuntu12
-  libtinfo5 6.0+20160625-1ubuntu1
+  gcc-6-base 6.2.0-1ubuntu12
+  libc6 2.24-0ubuntu1
+  libgcc1 1:6.2.0-1ubuntu12
+  libtinfo5 6.0+20160625-1ubuntu1
  ExecutablePath: /usr/bin/tcsh
  InstallationDate: Installed on 2013-11-28 (1006 days ago)
  InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64 
(20131016.1)
  ProcCmdline: -usr/bin/tcsh
  Signal: 11
  SourcePackage: tcsh
  StacktraceTop:
-  __GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
-  ?? ()
-  ?? ()
-  ?? ()
-  ?? ()
+  __GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
+  ?? ()
+  ?? ()
+  ?? ()
+  ?? ()
  Title: tcsh crashed with SIGSEGV in __GI___rewinddir()
  UpgradeStatus: Upgraded to yakkety on 2016-08-31 (0 days ago)
  UserGroups: adm cdrom dip disk kismet lp lpadmin plugdev sambashare saned 
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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Launchpad Bug Tracker]

This bug was fixed in the package tcsh - 6.18.01-5ubuntu1

---
tcsh (6.18.01-5ubuntu1) zesty; urgency=medium

  * Add debian/patches/014-do-not-use-union-wait.patch to fix FTBFS
and 024-use-sysmalloc.patch to resolve crash when using tab.
(LP: #1618803)

 -- Brian Murray   Wed, 26 Oct 2016 15:21:59 -0700

** Changed in: tcsh (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Brian Murray]

I've uploaded this to the SRU queue for yakkety, while the test case is
rather obvious it would be helpful if someone were to update the
description per the SRU process.  Thanks in advance!

http://wiki.ubuntu.com/StableReleaseUpdates

** Changed in: tcsh (Ubuntu)
 Assignee: (unassigned) => Brian Murray (brian-murray)

** Changed in: tcsh (Ubuntu)
   Status: Triaged => In Progress

** Changed in: tcsh (Ubuntu Yakkety)
 Assignee: (unassigned) => Brian Murray (brian-murray)

** Changed in: tcsh (Ubuntu Yakkety)
   Status: Confirmed => In Progress

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: tcsh (Ubuntu Yakkety)
   Status: New => Confirmed

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Dan Hopper]

Apologies for comment #13. Just replying to what at first glance seemed
to be a private email thread, since it showed up as being from
"luc...@math.purdue.edu". Didn't intend that blunt a wording in a public
forum.

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Brian Murray]

** Changed in: tcsh (Ubuntu)
   Importance: Medium => High

** Changed in: tcsh (Ubuntu)
   Status: Confirmed => Triaged

** Also affects: tcsh (Ubuntu Yakkety)
   Importance: Undecided
   Status: New

** Changed in: tcsh (Ubuntu Yakkety)
   Importance: Undecided => High

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Walter Garcia-Fontes]

Last time I checked it wasn't fixed in Debian either, otherwise we could
have asked to update the Ubuntu package. As far as I know it is fixed in
the development version of Fedora.

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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Re: [Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Dan Hopper]

Yeah I can't believe they went to and beyond release date without fixing
tcsh.  I've never in many years of unix/linux usage ever heard of
tolerating a non-functional shell for a released product. Makes me think
about going back to Debian next time, or pick-your-favorite-distro.  Very
disappointing.

Dan


On Thu, Oct 20, 2016 at 9:52 PM, luc...@math.purdue.edu <
luc...@math.purdue.edu> wrote:

> Thank you, your instructions worked for me.
>
> But good grief, shipping a shell that crashes when using  for
> argument completion ...  I guess, because I use tcsh (obviously), I'd
> say the importance is high!
>
> Brad
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1618803
>
> Title:
>   tcsh crashed with SIGSEGV in __GI___rewinddir()
>
> Status in tcsh:
>   Unknown
> Status in tcsh package in Ubuntu:
>   Confirmed
>
> Bug description:
>   After upgrading to 16.10, hitting "tab" crashes tcsh.
>
>   ProblemType: Crash
>   DistroRelease: Ubuntu 16.10
>   Package: tcsh 6.18.01-5
>   ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
>   Uname: Linux 4.4.0-9136-generic x86_64
>   NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
>   ApportVersion: 2.20.3-0ubuntu7
>   Architecture: amd64
>   CurrentDesktop: Unity
>   Date: Wed Aug 31 11:45:01 2016
>   Dependencies:
>gcc-6-base 6.2.0-1ubuntu12
>libc6 2.24-0ubuntu1
>libgcc1 1:6.2.0-1ubuntu12
>libtinfo5 6.0+20160625-1ubuntu1
>   ExecutablePath: /usr/bin/tcsh
>   InstallationDate: Installed on 2013-11-28 (1006 days ago)
>   InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64
> (20131016.1)
>   ProcCmdline: -usr/bin/tcsh
>   Signal: 11
>   SourcePackage: tcsh
>   StacktraceTop:
>__GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
>?? ()
>?? ()
>?? ()
>?? ()
>   Title: tcsh crashed with SIGSEGV in __GI___rewinddir()
>   UpgradeStatus: Upgraded to yakkety on 2016-08-31 (0 days ago)
>   UserGroups: adm cdrom dip disk kismet lp lpadmin plugdev sambashare
> saned scanner sudo vboxusers video
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/tcsh/+bug/1618803/+subscriptions
>

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[luc...@math.purdue.edu]

Thank you, your instructions worked for me.

But good grief, shipping a shell that crashes when using  for
argument completion ...  I guess, because I use tcsh (obviously), I'd
say the importance is high!

Brad

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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Re: [Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Dan Hopper]

No worries, hope it works for you.

Dan


On Thu, Oct 20, 2016 at 2:18 PM, luc...@math.purdue.edu <
luc...@math.purdue.edu> wrote:

> Ah, I just read the rest of the comment.
>
> I guess I didn't manage to download the patches while I thought I was
> following your instructions, sorry.
>
> Brad
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1618803
>
> Title:
>   tcsh crashed with SIGSEGV in __GI___rewinddir()
>
> Status in tcsh:
>   Unknown
> Status in tcsh package in Ubuntu:
>   Confirmed
>
> Bug description:
>   After upgrading to 16.10, hitting "tab" crashes tcsh.
>
>   ProblemType: Crash
>   DistroRelease: Ubuntu 16.10
>   Package: tcsh 6.18.01-5
>   ProcVersionSignature: Ubuntu 4.4.0-9136.55-generic 4.4.16
>   Uname: Linux 4.4.0-9136-generic x86_64
>   NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
>   ApportVersion: 2.20.3-0ubuntu7
>   Architecture: amd64
>   CurrentDesktop: Unity
>   Date: Wed Aug 31 11:45:01 2016
>   Dependencies:
>gcc-6-base 6.2.0-1ubuntu12
>libc6 2.24-0ubuntu1
>libgcc1 1:6.2.0-1ubuntu12
>libtinfo5 6.0+20160625-1ubuntu1
>   ExecutablePath: /usr/bin/tcsh
>   InstallationDate: Installed on 2013-11-28 (1006 days ago)
>   InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64
> (20131016.1)
>   ProcCmdline: -usr/bin/tcsh
>   Signal: 11
>   SourcePackage: tcsh
>   StacktraceTop:
>__GI___rewinddir (dirp=0xc43008) at ../sysdeps/posix/rewinddir.c:34
>?? ()
>?? ()
>?? ()
>?? ()
>   Title: tcsh crashed with SIGSEGV in __GI___rewinddir()
>   UpgradeStatus: Upgraded to yakkety on 2016-08-31 (0 days ago)
>   UserGroups: adm cdrom dip disk kismet lp lpadmin plugdev sambashare
> saned scanner sudo vboxusers video
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/tcsh/+bug/1618803/+subscriptions
>

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[luc...@math.purdue.edu]

Ah, I just read the rest of the comment.

I guess I didn't manage to download the patches while I thought I was
following your instructions, sorry.

Brad

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[luc...@math.purdue.edu]

Re #8:

During

 dpkg-buildpackage -rfakeroot -uc -b

I get

gcc -c -g -O2 -fdebug-prefix-map=/home/lucier/programs/t2/tcsh-6.18.01=. 
-fstack-protector-strong -Wformat -Werror=format-security 
-D_FILE_OFFSET_BITS=64 -I. -I. -D_PATH_TCSHELL='"/usr/bin/tcsh"'  -Wdate-time 
-D_FORTIFY_SOURCE=2  sh.proc.c
In file included from /usr/include/signal.h:28:0,
 from sh.h:39,
 from sh.proc.c:33:
/usr/include/features.h:148:3: warning: #warning "_BSD_SOURCE and _SVID_SOURCE 
are deprecated, use _DEFAULT_SOURCE" [-Wcpp]
 # warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
   ^~~
sh.proc.c: In function 'pchild':
sh.proc.c:155:16: error: storage size of 'w' isn't known
 union wait w;
^
Makefile:465: recipe for target 'sh.proc.o' failed
make[2]: *** [sh.proc.o] Error 1
make[2]: Leaving directory '/home/lucier/programs/t2/tcsh-6.18.01'
debian/rules:22: recipe for target 'override_dh_auto_build' failed
make[1]: *** [override_dh_auto_build] Error 2
make[1]: Leaving directory '/home/lucier/programs/t2/tcsh-6.18.01'
debian/rules:12: recipe for target 'build' failed
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2

Suggestions?

Brad

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  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Dan Hopper]

Workaround until 16.10's tcsh is rebuilt with the sysmalloc fix: build
your own fixed AMD64 .deb:

a) Pull the Fedora Rawhide src rpm from
https://www.rpmfind.net/linux/RPM/fedora/devel/rawhide/src/t/tcsh-6.19.00-15.fc26.src.html
wget 
ftp://fr2.rpmfind.net/linux/fedora/linux/development/rawhide/Everything/source/tree/Packages/t/tcsh-6.19.00-15.fc26.src.rpm

b) extract the contents of the src rpm:
rpm2cpio tcsh-6.19.00-15.fc26.src.rpm > a1.cpio
mkdir t ; cd t
cpio -dmiv < ../a1.cpio 
cd ..

c) Pull the current Ubuntu yakkety 16.10 beta tcsh source from 
packages.ubuntu.com
wget http://archive.ubuntu.com/ubuntu/pool/universe/t/tcsh/tcsh_6.18.01-5.dsc 
http://archive.ubuntu.com/ubuntu/pool/universe/t/tcsh/tcsh_6.18.01.orig.tar.gz 
http://archive.ubuntu.com/ubuntu/pool/universe/t/tcsh/tcsh_6.18.01-5.diff.gz

d) Rebuild tcsh with patches from Fedora
mkdir t2 ; cd t2
dpkg-source -x ../tcsh_6.18.01-5.dsc
cd tcsh-6.18.01/
patch -p1 < ../../t/tcsh-6.19.00-024-use-sysmalloc.patch
patch -p1 < ../../t/tcsh-6.19.00-014-do-not-use-union-wait.patch
dpkg-buildpackage -rfakeroot -uc -b
cd ..
sudo dpkg -i tcsh_6.18.01-5_amd64.deb

Works for me, no more tcsh crashes when pressing TAB.


Note that I had to apply the do-not-use-union-wait patch as well. Without it, I 
can't get the current Ubuntu 16.10 tcsh source to build on 16.10 at all, which 
is odd. Is the AMD64 .deb on the ubuntu servers not built on 16.10, or is there 
some other explanation for why it doesn't experience the "sh.proc.c:155:16: 
error: storage size of ‘w’ isn’t known" that results without 
do-not-use-union-wait.patch?

Dan

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Title:
  tcsh crashed with SIGSEGV in __GI___rewinddir()

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[sudodus]

I tested in Lubuntu current daily live i386 and amd64. Only the amd64
version is affected by this bug.

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Title:
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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Launchpad Bug Tracker]

Status changed to 'Confirmed' because the bug affects multiple users.

** Changed in: tcsh (Ubuntu)
   Status: New => Confirmed

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[Bug 1618803] Re: tcsh crashed with SIGSEGV in __GI___rewinddir()

[Walter Garcia-Fontes]

** Information type changed from Private to Public

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