maindavfs2 - Support: sr #110136, Segmentation fault on umount

 
 

sr #110136: Segmentation fault on umount

Submitter:  None
Submitted:  Tue 26 Nov 2019 07:33:30 AM UTC
   
 
Category:  None Priority:  5 - Normal
Severity:  3 - Normal Status:  Done
Privacy:  Public Assigned to:  _71007
Originator Email:  -email is unavailable- Open/Closed:  Open
Operating System:  GNU/Linux
* Mandatory Fields

Add a New Comment Rich Markup
   

Wed 27 Nov 2019 05:44:56 PM UTC, comment #2: 

many thanks

 Anonymous
Wed 27 Nov 2019 05:29:00 PM UTC, comment #1: 

This is a known bug fixed in the CVS sources (https://savannah.nongnu.org/bugs/?56286), but there is no bugfix release yet.

Until a new release is available for your distribution you may work around this bug:

Instead of unmounting with "umount <mountpoint>" use command "umount -i <mountpoint>". With option "-i" the umount helper umount.davfs is not called (and can't segfault). But now umount might return when mount.davfs is still running. If you created or edited files you should check whether mount.davfs already terminated ("ps ax") before shutting down your system.

Werner

- <_71007>
Tue 26 Nov 2019 07:33:30 AM UTC, original submission:  

When I umount my mounted davfs volume I get a segmentation fault on kubuntu 19.10 with davfs2 version 1.5.5.
The core dump is attached.

The syslog output is:

Nov 26 08:17:21 buero kernel: [79748.450702] umount.davfs[24201]: segfault at 46fa9a00 ip 00007fb847876d8a sp 00007fff1cbde0 a8 error 4 in libc-2.30.so[7fb8477e7000+178000] Nov 26 08:17:21 buero kernel: [79748.450711] Code: f3 0f 1e fa 66 0f ef c0 66 0f ef c9 66 0f ef d2 66 0f ef db 48 89 f8 48 8 9 f9 48 81 e1 ff 0f 00 00 48 81 f9 cf 0f 00 00 77 66 <f3> 0f 6f 20 66 0f 74 e0 66 0f d7 d4 85 d2 74 04 0f bc c2 c3 48 83


I hope you can help me with this issue.

 Anonymous

 

(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

Attach Files:
   
   
Comment:
   

Attached Files
file #47931:  core added by None (1MiB - application/octet-stream - Core Dump)

 

Depends on the following items: None found

Items that depend on this one: None found

 

Carbon-Copy List
  • -email is unavailable- added by _71007 (Posted a comment)
  • -email is unavailable- added by None (Submitted the item)

    •  

    There are 0 votes so far. Votes easily highlight which items people would like to see resolved in priority, independently of the priority of the item set by tracker managers.

    Only logged-in users can vote.

     

    Follow 3 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2019-11-27 _71007 StatusNone Done
        Assigned toNone _71007
    2019-11-26 None Attached File- Added core, #47931

    Back to the top

    Copyright © 2024 Free Software Foundation, Inc.
    Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.
    The Levitating, Meditating, Flute-playing Gnu logo is a GNU GPL'ed image provided by the Nevrax Design Team.
    Page source code

    Powered by Savane 3.13-5884.
    Corresponding source code