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Top Forums UNIX for Advanced & Expert Users Trace "free(): invalid next size (normal)" error on arm-linux board Post 302521842 by kumaran_5555 on Thursday 12th of May 2011 11:54:52 AM
Old 05-12-2011
Quote:
Originally Posted by Corona688
glibc is actually able to report double-frees as double-frees directly, not just as generic heap corruption. He might have an older glibc though, which makes this less certain.
you may be correct.

Try to use mtrace for tracing you allocation and free calls.

mtrace - Wikipedia, the free encyclopedia

But for this you need change and recompile the code.
This User Gave Thanks to kumaran_5555 For This Post:
 

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MTRACE(1)							 Linux user manual							 MTRACE(1)

NAME
mtrace - interpret the malloc trace log SYNOPSIS
mtrace [option]... [binary] mtracedata DESCRIPTION
mtrace is a Perl script used to interpret and provide human readable output of the trace log contained in the file mtracedata, whose con- tents were produced by mtrace(3). If binary is provided, the output of mtrace also contains the source file name with line number informa- tion for problem locations (assuming that binary was compiled with debugging information). For more information about the mtrace(3) function and mtrace script usage, see mtrace(3). OPTIONS
--help Print help and exit. --version Print version information and exit. BUGS
For bug reporting instructions, please see: <http://www.gnu.org/software/libc/bugs.html>. SEE ALSO
memusage(1), mtrace(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. GNU
2017-09-15 MTRACE(1)
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