Hi, This problem was solved at Dovecot v2.3.9.3. Thank you.
Regards, ----- Original Message ----- > Hi, > > I'm testing Dovecot v2.3.9.2. > So, I found a problem that a Dovecot process termed with Panic, like below: > > Feb 10 08:50:09 imap(us...@example.com)<38440><p9ec0zSeSIQKEAIK>: Panic: file > message-snippet.c: line 71 (snippet_add_content): assertion failed: (*count_r > <= size) > Feb 10 08:50:09 imap(us...@example.com)<38440><p9ec0zSeSIQKEAIK>: Error: Raw > backtrace: > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(backtrace_append+0x3b) > [0x7fee4c46331b] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(backtrace_get+0x1e) > [0x7fee4c46346e] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(+0xfc90b) > [0x7fee4c46f90b] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(+0xfc9c1) > [0x7fee4c46f9c1] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(i_fatal+0) > [0x7fee4c3b470a] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(+0xdea53) > [0x7fee4c451a53] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot-storage.so.0(+0xdcd98) > [0x7fee4c80bd98] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot-storage.so.0(+0xdd1a5) > [0x7fee4c80c1a5] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot-storage.so.0(index_mail_get_special+0x2c1) > [0x7fee4c80c591] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot-storage.so.0(dbox_mail_get_special+0x48) > [0x7fee4c7adeb8] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot-storage.so.0(+0x78f2b) > [0x7fee4c7a7f2b] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot-storage.so.0(mail_get_special+0x10) > [0x7fee4c76f3e0] -> dovecot-backend-server/imap [us...@example.com > 10.16.2.10 UID FETCH](+0x2645b) [0x55ffc6c5845b] -> > dovecot-backend-server/imap [us...@example.com 10.16.2.10 UID > FETCH](+0x239df) [0x55ffc6c559df] -> dovecot-backend-server/imap > [us...@example.com 10.16.2.10 UID FETCH](imap_fetch_more+0x35) > [0x55ffc6c578b5] -> dovecot-backend-server/imap [us...@example.com 10.16.2.10 > UID FETCH](cmd_fetch+0x35f) [0x55ffc6c44aaf] -> dovecot-backend-server/imap > [us...@example.com 10.16.2.10 UID FETCH](command_exec+0xb9) [0x55ffc6c535b9] > -> dovecot-backend-server/imap [us...@example.com 10.16.2.10 UID > FETCH](+0x1eacf) [0x55ffc6c50acf] -> dovecot-backend-server/imap > [us...@example.com 10.16.2.10 UID FETCH](+0x1eb87) [0x55ffc6c50b87] -> > dovecot-backend-server/imap [us...@example.com 10.16.2.10 UID > FETCH](client_handle_input+0x215) [0x55ffc6c51885] -> > dovecot-backend-server/imap [us...@example.com 10.16.2.10 UID > FETCH](client_input+0x7e) [0x55ffc6c5206e] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x7b) > [0x7fee4c48bcdb] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x105) > [0x7fee4c48dd55] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x59) > [0x7fee4c48bde9] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) > [0x7fee4c48c098] -> > /usr/local/dovecot-2.3.9.2/lib/dovecot/libdovecot.so.0(master_service_run+0x13) > [0x7fee4c3e9623] -> dovecot-backend-server/imap [us...@example.com > 10.16.2.10 UID FETCH](main+0x367) [0x55ffc6c40d37] -> > /lib64/libc.so.6(__libc_start_main+0xf5) [0x7fee4bfc7545] -> > dovecot-backend-server/imap [us...@example.com 10.16.2.10 UID FETCH](+0xefb4) > [0x55ffc6c40fb4] > Feb 10 08:50:09 imap(us...@example.com)<38440><p9ec0zSeSIQKEAIK>: Fatal: > master: service(imap): child 38440 killed with signal 6 (core dumps disabled > - https://dovecot.org/bugreport.html#coredumps) > > It was occurred this by a mail had ISO-2022-JP content (Single part mail). > I saw that the mail was not strange. > When I appended the mail with IMAP APPEND command, that no problem happened. > I think the problem comes by LMTP only. > > Any idea? > > Regards, > > -- > Tachibana, Masashi QUALITIA CO., LTD. > mailto:tachib...@qualitia.co.jp > https://www.qualitia.co.jp/ > -- TACHIBANA Masashi QUALITIA CO., LTD. mailto:tachib...@qualitia.co.jp https://www.qualitia.co.jp/