pigeonhole 0.4.22 with sieve_before script crashes

Fri, 02 Mar 2018 17:58:48 -0800 

Hello!

Dovecot 2.2.34 (874deae)
Pigeonhole version 0.4.22 (22940fb7)

After the update to pigeonhole version 0.4.22 the following
configuration does not work. With version 0.4.21 it works.

dovecot.conf (only sieve configuration)
---------------------------------------------------------------
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext editheader 
sieve = file:~/sieve;active=~/.dovecot.sieve
sieve_before = /etc/dovecot/sieve/filter
sieve_extensions = +editheader
sieve_max_script_size = 1M
service managesieve-login {
  inet_listener sieve {
    port = 4190
  }
}
protocol sieve {
  mail_max_userip_connections = 10
  managesieve_implementation_string = Sieve
  managesieve_logout_format = bytes=%i/%o
}
---------------------------------------------------------------

sieve_before script for all users (/etc/dovecot/sieve/filter)
---------------------------------------------------------------
require ["editheader"];

if header :contains "X-Spam-Flag" "YES" {
  addheader "X-Filter-Junk-Flag" "YES";
  addheader "X-Filter-Junk-Type" "SPAM";
}
elsif header :contains "X-Amavis-Alert" "INFECTED" {
  addheader "X-Filter-Junk-Flag" "YES";
  addheader "X-Filter-Junk-Type" "VIRUS";
}
elsif header :contains "X-Amavis-Alert" "BANNED" {
  addheader "X-Filter-Junk-Flag" "YES";
  addheader "X-Filter-Junk-Type" "ATTACHMENT";
}
else {
  addheader "X-Filter-Junk-Flag" "NO";
  addheader "X-Filter-Junk-Type" "NONE";
}
---------------------------------------------------------------

sieve script for user post...@example.com (.dovecot.sieve)
---------------------------------------------------------------
require ["copy"];
if allof (header :is "X-Filter-Junk-Flag" "NO")
{
  redirect :copy "c...@example.com";
}
---------------------------------------------------------------

I use LMTP to deliver the mail to the user and the
following error occurs:
Mar 3 02:31:34 test dovecot: lmtp(post...@example.com): Panic: file istream.c: line 197 (i_stream_read): assertion failed: ((size_t)ret+old_size == _stream->pos - _stream->skip) Mar 3 02:31:34 test dovecot: lmtp(post...@example.com): Error: Raw backtrace: /usr/local/lib/dovecot/libdovecot.so.0(+0x9c7a0) [0x7f8c015be7a0] -> /usr/local/lib/dovecot/libdovecot.so.0(+0x9c88c) [0x7f8c015be88c] -> /usr/local/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f8c0155294d] -> /usr/local/lib/dovecot/libdovecot.so.0(i_stream_read+0x2c8) [0x7f8c015c99d8] -> /usr/local/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) [0x7f8c015ca15d] -> /usr/local/lib/dovecot/libdovecot.so.0(message_parse_header_next+0x63) [0x7f8c015a72e3] -> /usr/local/lib/dovecot/libdovecot.so.0(+0x7efb1) [0x7f8c015a0fb1] -> /usr/local/lib/dovecot/libdovecot.so.0(i_stream_read+0x53) [0x7f8c015c9763] -> /usr/local/lib/dovecot/libdovecot.so.0(i_stream_read_data+0x3d) [0x7f8c015ca15d] -> /usr/local/lib/dovecot/libdovecot.so.0(io_stream_copy+0x75) [0x7f8c015df1a5] -> /usr/local/lib/dovecot/libdovecot.so.0(+0xbf5e0) [0x7f8c015e15e0] -> /usr/local/lib/dovecot/libdovecot.so.0(o_stream_send_istream+0x33) [0x7f8c015df003] -> /usr/local/lib/dovecot/libdovecot-sieve.so.0(+0x4dbf4) [0x7f8bfbb3abf4] -> /usr/local/lib/dovecot/libdovecot-sieve.so.0(+0x3f22a) [0x7f8bfbb2c22a] -> /usr/local/lib/dovecot/libdovecot-sieve.so.0(sieve_result_execute+0x27f) [0x7f8bfbb2da6f] -> /usr/local/lib/dovecot/libdovecot-sieve.so.0(+0x502ee) [0x7f8bfbb3d2ee] -> /usr/local/lib/dovecot/libdovecot-sieve.so.0(sieve_multiscript_run+0xa6) [0x7f8bfbb3def6] -> /usr/local/lib/dovecot/lib90_sieve_plugin.so(+0x379a) [0x7f8bfbda279a] -> /usr/local/lib/dovecot/libdovecot-lda.so.0(mail_deliver+0xa2) [0x7f8c01b9d942] -> dovecot/lmtp [DATA 127.0.0.1 post...@example.com]() [0x406c0b] -> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x52) [0x7f8c015d3c22] -> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0xea) [0x7f8c015d51ca] -> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x3c) [0x7f8c015d3cbc] -> /usr/local/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f8c015d3e68] -> /usr/local/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f8c0155caa3] -> dovecot/lmtp [DATA 127.0.0.1 post...@example.com](main+0x18c) [0x404fbc] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f8c01198b45] -> dovecot/lmtp [DATA 127.0.0.1 post...@example.com]() [0x405065] Mar 3 02:31:34 test dovecot: lmtp(post...@example.com): Fatal: master: service(lmtp): child 13445 killed with signal 6 (core dumps disabled) 

If I change the sieve script for this user, it works.
For example:
---------------------------------------------------------------
require ["copy"];
if allof (header :is "X-Filter-Junk-Status" "NO")
{
  redirect :copy "c...@example.com";
}
---------------------------------------------------------------

The error occurs only in version 0.4.22, not in version 0.4.21.

Thanks,
Jan

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