[Bug 1967] Potential memory leak in ssh [detected by melton]

[bugzilla-daemon at bugzilla.mindrot.org]

https://bugzilla.mindrot.org/show_bug.cgi?id=1967

--- Comment #4 from Zhenbo Xu <zhenbo1987 at gmail.com> 2011-12-31 01:44:17 EST ---
http://lcs.ios.ac.cn/~xuzb/bugsfound/memleak/openssh-5.9p1/realbugs/report-u6oVoX.html#EndPath

This report means that the heap object allocated to fwd.connect_host 
by function "parse_forward" is not freed at the end of the function
since fwd is a local variable.



http://lcs.ios.ac.cn/~xuzb/bugsfound/memleak/openssh-5.9p1/realbugs/report-Fs8fvc.html#EndPath

In this report, the loop below iterates two times. At the first
iteration, a heap object is allocated to options->user at "charptr =
&options->user; ... *charptr = xstrdup(arg);", which is leaked at the
second iteration if options->user is reassigned.

while (fgets(line, sizeof(line), f)) {
  linenum++;
  if (process_config_line(options, host, line, filename, linenum,
&active) != 0)
    bad_options++;
}


Here is a list of some bugs, most of which are confirmed as false
alarms by myself. It may contain some potential bugs or be helpful with
you, although most of these are useless or can be eliminated by
improving our tool.
http://lcs.ios.ac.cn/~xuzb/bugsfound/memleak/openssh-5.9p1/falsealarms/index.html

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