Package: dovecot-sieve
Version: 1:2.2.18-1
Severity: normal
Dear Maintainer,
On my system, sieve-test segfaults on the following minified Sieve script:
require ["editheader"];
addheader "foo" "bar";
if header :is "foo" "baz" { }
To reproduce, put the above script in script.sieve and do the following:
echo > mail
cat > dovecot.conf <<EOF
plugin {
sieve_extensions = +editheader
}
EOF
sieve-test -c dovecot.conf script.sieve mail
The sieve-test command should segfault.
Here is a backtrace:
#0 strlen () at ../sysdeps/x86_64/strlen.S:106
#1 0x00007ffff7b747c7 in _header_right_trim (raw=0x3 <error: Cannot access
memory at address 0x3>)
at sieve-message.c:492
#2 sieve_message_header_stringlist_next_item (_strlist=0x55555575d120,
str_r=0x7fffffffe940)
at sieve-message.c:556
#3 0x00007ffff7b8b371 in sieve_stringlist_next_item (str_r=0x7fffffffe940,
strlist=0x55555575d120)
at sieve-stringlist.h:44
#4 sieve_match (renv=renv@entry=0x555555791ab0,
mcht=mcht@entry=0x7fffffffe9d0,
cmp=cmp@entry=0x7fffffffe9b0, value_list=0x55555575d120,
key_list=0x55555575d0c8,
exec_status=exec_status@entry=0x7fffffffe99c) at sieve-match.c:181
#5 0x00007ffff7b91730 in tst_header_operation_execute (renv=0x555555791ab0,
address=0x555555791af8)
at tst-header.c:193
#6 0x00007ffff7b828f7 in sieve_interpreter_operation_execute
(interp=0x555555791a80)
at sieve-interpreter.c:542
#7 sieve_interpreter_continue (interp=interp@entry=0x555555791a80,
interrupted=interrupted@entry=0x0)
at sieve-interpreter.c:573
#8 0x00007ffff7b82a4a in sieve_interpreter_start
(interp=interp@entry=0x555555791a80,
result=<optimized out>, interrupted=interrupted@entry=0x0) at
sieve-interpreter.c:604
#9 0x00007ffff7b82a7b in sieve_interpreter_run (interp=0x555555791a80,
result=0x555555798e00)
at sieve-interpreter.c:615
#10 0x00007ffff7b94f8f in sieve_run (sbin=0x55555577aeb0,
result=result@entry=0x7fffffffeae0,
msgdata=0x7fffffffebc0, senv=senv@entry=0x7fffffffebf0,
ehandler=0x5555557799e0,
flags=<optimized out>) at sieve.c:335
#11 0x00007ffff7b959cc in sieve_test (sbin=<optimized out>, msgdata=<optimized
out>,
senv=0x7fffffffebf0, ehandler=<optimized out>, stream=0x55555578b6f0,
flags=<optimized out>,
keep=0x0) at sieve.c:496
#12 0x00005555555577d7 in main (argc=6, argv=0x555555764390) at sieve-test.c:295
sieve-test used to work fine on the (non-minified) script on which it now
segfaults, so this bug was probably introduced by a recent version.
-- Package-specific info:
dovecot configuration
---------------------
# 2.2.18: /etc/dovecot/dovecot.conf
# OS: Linux 4.0.0-2-amd64 x86_64 Debian stretch/sid
mail_location = mbox:~/mail:INBOX=/var/mail/%u
namespace inbox {
inbox = yes
location =
mailbox Drafts {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
prefix =
}
passdb {
driver = pam
}
plugin {
sieve = ~/.dovecot.sieve
sieve_dir = ~/sieve
}
ssl = no
userdb {
driver = passwd
}
-- System Information:
Debian Release: stretch/sid
Architecture: amd64 (x86_64)
Foreign Architectures: i386
Kernel: Linux 4.0.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.utf8, LC_CTYPE=en_US.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
Versions of packages dovecot-sieve depends on:
ii dovecot-core 1:2.2.18-1
ii libc6 2.19-18
ii ucf 3.0030
dovecot-sieve recommends no packages.
dovecot-sieve suggests no packages.
Versions of packages dovecot-sieve is related to:
ii dovecot-core [dovecot-common] 1:2.2.18-1
ii dovecot-dbg 1:2.2.18-1
pn dovecot-dev <none>
pn dovecot-gssapi <none>
pn dovecot-imapd <none>
pn dovecot-ldap <none>
pn dovecot-lmtpd <none>
pn dovecot-managesieved <none>
pn dovecot-mysql <none>
pn dovecot-pgsql <none>
pn dovecot-pop3d <none>
ii dovecot-sieve 1:2.2.18-1
pn dovecot-sqlite <none>
-- no debconf information
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