Update Kills Dovecot

[Aki Tuomi]

On 05.06.2016 17:48, Sven Roellig wrote:
> Hi,i  run Dovecot 2.3.0 Alpha
> The last two Updates broken dovecot.in the mail.war log i became the error, on every mail,
> ..........de)<3+RHF1k4VFfDOwAApDKQ5A>: Fatal: master: service(lmtp): child 15299 killed with signal 6 (core dumps disabled)
> Jun  5 16:39:40 director dovecot: lmtp(roellig@*******.org)<1o6JAKw5VFcPPAAApDKQ5A>: Panic: file imem.c: line 60 (i_strconcat): assertion failed: (str1 != NULL)                                                                                               
> ....dovecot: lmtp(roellig@*******.org)<1o6JAKw5VFcPPAAApDKQ5A>: Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x8cfbe) [0x7f62fe5defbe] -> /usr/lib/dovecot/libdovecot.so.0(+0x8d0ac) [0x7f62fe5df0ac] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f62fe57dd1e] -> /usr/lib/dovecot/libdovecot.so.0(i_strconcat+0x146) [0x7f62fe5e6bb6] -> /usr/lib/dovecot/libdovecot-lda.so.0(duplicate_init+0x5d) [0x7f62feba1dfd] -> /usr/lib/dovecot/libdovecot-lda.so.0(mail_deliver+0x3c) [0x7f62feba47bc] -> dovecot/lmtp(+0x6ac8) [0x7f62fefd3ac8] -> dovecot/lmtp(+0x73cf) [0x7f62fefd43cf] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x4c) [0x7f62fe5f2ffc] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x101) [0x7f62fe5f4461] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x25) [0x7f62fe5f3085] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f62fe5f3228] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f62fe584273] -> dovecot/lmtp(main+0x165) [0x7f62fefd21a5] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f62fe1c8b45] -> dovecot/lmtp(+0x5293) [0x7f62fefd2293]                                                                                                
>
> the errors is from update to dovecot-lmtpd_2%3a2.3.0~alpha0-1~auto+67_amd64.deb on debian 8.3on the morning it came an update to debian 8.4 an dovecot dovecot-lmtpd_2%3a2.3.0~alpha0-1~auto+78_amd64.deb
> can anyone help
> Sorry for my english.
> Sven
>
>  

Could you include doveconf -n and if possible gdb output with bt full?
Would make lot easier to debug this.

Aki