Re: [dspam-users] Crashes when trying to use a merged group

Joshua J. Kugler wrote:
> I'm trying to set up a merged group based off our spamtrainer user. Since
> we're using virtual uid's, and because of the way Postfix passes addresses to
> Dspam, the user is in the db as spamtrainer@mailserver.example.com. Postfix
> is also set up as always_bcc = spamtrainer (an actual system user). My group
> is set up this way:
>
> spamtrainer@hyperion.eeinternet.com:merged:*
>
> If I send a message to a user, the user's message filters fine, but when it
> comes time to filter the spamtrainer's message, I get this from debug output:
>
> 2958: [03/07/2007 15:44:47] DSPAM Instance Startup
> 2958: [03/07/2007 15:44:47] input args: dspam --deliver=innocent
> 2958: [03/07/2007 15:44:47] pass-thru args:
> 2958: [03/07/2007 15:44:47] processing user
> spamtrainer@hyperion.eeinternet.com
> 2958: [03/07/2007 15:44:47] uid = 0, euid = 0, gid = 0, egid = 113
> 2958: [03/07/2007 15:44:47] loading preferences for user
> spamtrainer@hyperion.eeinternet.com
> 2958: [03/07/2007 15:44:47] Loading preferences for uid 23
> 2958: [03/07/2007 15:44:47] Loading preferences for uid 0
> 2958: [03/07/2007 15:44:47] default preferences empty. reverting to dspam.conf
> preferences.
> 2958: [03/07/2007 15:44:47] Loading preferences from dspam.conf
> 2958: [03/07/2007 15:44:47]
> using /var/spool/dspam/opt-in/hyperion.eeinternet.com/spamtrainer.dspam as
> path
> 2958: [03/07/2007 15:44:47]
> using /var/spool/dspam/opt-out/hyperion.eeinternet.com/spamtrainer.nodspam as
> path
> 2958: [03/07/2007 15:44:47] sedation level set to: 0
>
> And then Dspam dies right there. An strace shows that it opens and reads
> group for the first user just fine, but then when it opens it for the
> spamtrainer user:
>
> pid 32217] open("/var/spool/dspam/group", O_RDONLY) = 30
> [pid 32217] fstat64(30, {st_mode=S_IFREG|0644, st_size=46, ...}) = 0
> [pid 32217] mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|
> MAP_ANONYMOUS, -1, 0) = 0xb7ef6000
> [pid 32217] read(30, "spamtrainer@hyperion.eeinternet."..., 4096) = 46
> [pid 32217] read(30, "", 4096) = 0
> [pid 32217] close(30) = 0
> [pid 32217] munmap(0xb7ef6000, 4096) = 0
> [pid 32217] poll([{fd=7, events=POLLIN|POLLPRI}], 1, 0) = 0
> [pid 32217] write(7, "\1\0\0\0\16", 5) = 5
> [pid 32217] read(7, "\7\0\0\1\0\0\0\2\0\0\0", 16384) = 11
> [pid 32217] poll([{fd=7, events=POLLIN|POLLPRI}], 1, 0) = 0
> [pid 32217] write(7, "Z\0\0\0\3select uid from dspam_virtu"..., 94) = 94
> [pid 32217] read(7, "\1\0\0\1\1E\0\0\2\3def\5dspam\22dspam_virtua"..., 16384)
> = 103
> [pid 32217] --- SIGSEGV (Segmentation fault) @ 0 (0) ---
>
> Is it not liking the '@' in the group name? But why didn't that matter the
> first time it read it?
>
> I'd creat an entry in the uid table for 'spamtrainer'
> (no '@mailserver.example.com' part) and set their uids the same, and use that
> for my group name, but the uid is a primary key, so can't be duplicated.
>
> Any hints or tips? Did I discover a genuine bug?
>
> j
>
>
Joshua,
 
I've been having this exact same problem for over a year now.
If you find a solution to this problem PLEASE let me know.

-Jeff Harris
Received on Sun Mar 18 17:00:46 2007