http://issues.apache.org/SpamAssassin/show_bug.cgi?id=4693
Summary: copy_config failure caused disk full -> "Attempt to free
unreferenced scalar"
Product: Spamassassin
Version: 3.1.0
Platform: Other
OS/Version: other
Status: NEW
Severity: major
Priority: P5
Component: spamc/spamd
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
something went terribly wrong here... in approx 24 hours, i had a 34GB spam.log
file and a disk full.
# grep 'Attempt to free' spamd.log | wc -l
4970786
Approximately 800-900 'Attempt to free' log entries/second is about what i see.
I t started right after a copy_config failure, which alarm'd 10 seconds after
an incoming connection was logged.
2005-11-17 13:12:12.421475500 [20716] error: __alarm__
2005-11-17 13:12:12.427746500 [20716] warn: spamd: copy_config timeout,
respawning child process after 1 messages at /usr/bin/spamd line 964.
from looking at the code in /usr/bin/spamd, [EMAIL PROTECTED]'__alarm__'
which should have
made spamd exit and respawned the parent.
if ($err =~ /__alarm__/) {
warn("spamd: copy_config timeout, respawning child process after ".
($i+1)." messages");
exit; # so that the master spamd can respawn
} else {
die $err; # propagate failures
}
instead, it went into this spin out of control... bigger log snippet below.
2005-11-17 13:11:28.095485500 [18735] info: spamd: connection from
localhost.localdomain [127.0.0.1] at port 39950
2005-11-17 13:11:28.097515500 [18735] info: spamd: handle_user unable to find
user: $global
2005-11-17 13:11:28.189210500 [18735] info: spamd: processing message
<[EMAIL PROTECTED]> for $global:200
2005-11-17 13:11:33.943557500 [18735] error: __alarm__
2005-11-17 13:11:36.110337500 [18735] info: spamd: clean message (-99.1/4.5) for
$global:200 in 8.0 seconds, 22460 bytes.
2005-11-17 13:11:36.110834500 [18735] info: spamd: result: . -99 -
AWL,BAYES_50,DBL_12_LETTER_FLDR,DBL_12_LETTER_PGIMG,HTML_MESSAGE,MIME_HTML_ONLY,NO_RECEIVED,NO_RELAYS,USER_IN_WHITELIST
scantime=8.0,size=22460,user=$global,uid=200,required_score=4.5,rhost=localhost.localdomain,raddr=127.0.0.1,rport=39950,mid=<[EMAIL
PROTECTED]>,bayes=0.487863122868568,autolearn=no
2005-11-17 13:11:36.592555500 [818] info: spamd: handled cleanup of child pid
18735 due to SIGCHLD
2005-11-17 13:11:36.623644500 [818] info: spamd: server successfully spawned
child process, pid 20844
2005-11-17 13:12:02.204952500 [20716] info: spamd: connection from
localhost.localdomain [127.0.0.1] at port 39954
2005-11-17 13:12:12.421475500 [20716] error: __alarm__
2005-11-17 13:12:12.427746500 [20716] warn: spamd: copy_config timeout,
respawning child process after 1 messages at /usr/bin/spamd line 964.
2005-11-17 13:12:15.065816500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.065995500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.066132500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.066269500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.066406500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.066542500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.066678500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.066815500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.067004500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.067146500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.067283500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.067494500 [20716] warn: Attempt to free non-existent shared
string during global destruction.
2005-11-17 13:12:15.067630500 [20716] warn: Attempt to free non-existent shared
string during global destruction.
2005-11-17 13:12:15.067766500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.067903500 [20716] warn: Attempt to free non-existent shared
string during global destruction.
2005-11-17 13:12:15.068038500 [20716] warn: Attempt to free non-existent shared
string during global destruction.
2005-11-17 13:12:15.068172500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.068305500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.068437500 [20716] warn: Attempt to free non-existent shared
string during global destruction.
2005-11-17 13:12:15.068573500 [20716] warn: Attempt to free non-existent shared
string during global destruction.
2005-11-17 13:12:15.068706500 [20716] warn: Attempt to free unreferenced scalar
during global destruction.
2005-11-17 13:12:15.068839500 [20716] warn: Attempt to free non-existent shared
string during global destruction.
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