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Re: Sftp core seen on CentOS 7
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From: |
Thomas Dickey |
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Subject: |
Re: Sftp core seen on CentOS 7 |
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Date: |
Fri, 8 Sep 2017 18:32:15 -0400 |
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User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Sep 08, 2017 at 06:20:29AM +0000, Priya, Nupur wrote:
> Hi Team,
>
> We are intermittently seeing an sftp core generated on the CUP Publisher.
with CentOS7, I have
ncurses 5.9.20130511
which is rather old (4 years). Offhand, I don't recognize the symptom.
> This is the backtrace of the core -
>
> Reading symbols from /usr/bin/sftp...Reading symbols from /usr/bin/sftp...(no
> debugging symbols found)...done.
> (no debugging symbols found)...done.
> [New LWP 16111]
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib64/libthread_db.so.1".
> Core was generated by `sftp address@hidden<mailto:address@hidden>'.
> Program terminated with signal 11, Segmentation fault.
> #0 0x00007fd23e6eecdc in _nc_name_match () from /lib64/libtinfo.so.5
>
> ====================================
> backtrace - CUCM - IM & Presence
> ===================================
>
> Thread 1 (Thread 0x7fd240212740 (LWP 16111)):
> #0 0x00007fd23e6eecdc in _nc_name_match () from /lib64/libtinfo.so.5
line-numbers would help a lot...
You might get some insight by running the application with valgrind
(still no line-numbers, but some information can be gleaned from that,
e.g., null pointer, uninitialized variable, etc).
--
Thomas E. Dickey <address@hidden>
http://invisible-island.net
ftp://ftp.invisible-island.net
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