[Users] [Bug 3265] New: procmime.c: unbalanced flockfile() / funlockfile()

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http://www.thewildbeast.co.uk/claws-mail/bugzilla/show_bug.cgi?id=3265

            Bug ID: 3265
           Summary: procmime.c: unbalanced flockfile() / funlockfile()
    Classification: Unclassified
           Product: Claws Mail
           Version: 3.10.1
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: Other
          Assignee: users at lists.claws-mail.org
          Reporter: timo.teras at iki.fi

Created attachment 1427
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http://www.thewildbeast.co.uk/claws-mail/bugzilla/attachment.cgi?id=1427&action=edit
proposed fix

procmime_decode_content() opens file with get_tmpfile_in_dir(), but uses
procmime_fclose() to close it which calls funlockfile() for it too. It is
undefined what happens - and some c-libraries crash, or abort with assertation
failure.

See attached patch to fix it.

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