[Bug 264306] Re: Panic: file sieve-cmu.c: line 88 (unfold_header): assertion failed: (str[i] == ' ' || str[i] == '\t')

[Mathias Gug]

Matt, I've tried to process the three mbox files you've attached to this
bug. Both the 1st and 3rd one don't produce any errors.

However the 2nd one produces the following error:
deliver(mathiaz): Apr 18 14:57:53 Panic: file sieve-cmu.c: line 90 (unfold_header): assertion failed: (str[i] == ' ' || str[i] == '\t')
deliver(mathiaz): Apr 18 14:57:53 Error: Raw backtrace: /usr/lib/dovecot/deliver [0x7f06f76ebab2] -> /usr/lib/dovecot/deliver(default_fatal_handler+0x37) [0x7f06f76ebbc7] -> /usr/lib/dovecot/deliver [0x7f06f76eb1e8] -> /usr/lib/dovecot/modules/lda/lib90_cmusieve_plugin.so [0x7f06f6cb0170] -> /usr/lib/dovecot/modules/lda/lib90_cmusieve_plugin.so [0x7f06f6cba387] -> /usr/lib/dovecot/modules/lda/lib90_cmusieve_plugin.so(sieve_eval_bc+0x47d) [0x7f06f6cbb4ad] -> /usr/lib/dovecot/modules/lda/lib90_cmusieve_plugin.so(sieve_execute_bytecode+0xf6) [0x7f06f6cc1116] -> /usr/lib/dovecot/modules/lda/lib90_cmusieve_plugin.so(cmu_sieve_run+0x318) [0x7f06f6cb1188] -> /usr/lib/dovecot/modules/lda/lib90_cmusieve_plugin.so [0x7f06f6caf0eb] -> /usr/lib/dovecot/deliver(main+0x1032) [0x7f06f76803a2] -> /lib/libc.so.6(__libc_start_main+0xe6) [0x7f06f6ee95a6] -> /usr/lib/dovecot/deliver [0x7f06f767dfb9]

The reason the bug was closed the second time is that a changelog
mentioned this bug number again after this bug was reopened:

  * Dropped:
    - debian/patches/fix-message-parser.dpatch: Parsing an invalid message
      address like "From: (" caused an assert-crash. (LP: #290901).
      (CVE-2008-4907 - fixed in 1.1.6)
    - debian/patches/login-max-process-count-warning.dpatch: Tell the user
      that they have reached the maximum number of processes count.
      (LP: #189616) - Different implementation from upstream.
    - debian/patches/fix-dovecot-sieve.dpatch: Fixes assertion error
      when a header string ends with a LF (LP: #264306). Implemented upstream.


So it seems that the upstream patch provided for the first issue isn't
enough.

-- 
Panic: file sieve-cmu.c: line 88 (unfold_header): assertion failed: (str[i] == ' ' || str[i] == '\t')
https://bugs.launchpad.net/bugs/264306
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