Jun 2 10:05:14 hostname dovecot: IMAP(testuser): Panic: file istream- raw-mbox.c: line 380: assertion failed: (new_pos > 0) Jun 2 10:05:14 hostname dovecot: dovecot: child 544822 (imap) killed
with signal 6

(dbx) where raise(??) at 0x90000000005a68c abort() at 0x900000000085c2c default_fatal_finish(type = LOG_TYPE_PANIC, status = 0), line 160 in
"failures.c" i_internal_fatal_handler(type = LOG_TYPE_PANIC, status = 0, fmt =
"file %s: line %d: assertion failed: (%s)", args = ""), line 440 in
"failures.c" i_panic(format = "file %s: line %d: assertion failed: (%s)", ... =
0x1001731b4, 0x17c, 0x100173328, 0x0, 0x15b5, 0x0, 0x0), line 207 in
"failures.c" i_stream_raw_mbox_read(stream = 0x00000001100ca6b0), line 380 in
"istream-raw-mbox.c" i_stream_raw_mbox_read(stream = 0x00000001100ca6b0), line 379 in
"istream-raw-mbox.c" i_stream_read(stream = 0x00000001100ca700), line 80 in "istream.c" i_stream_limit_read(stream = 0x00000001100cb930), line 64 in "istream- limit.c" i_stream_read(stream = 0x00000001100cb980), line 80 in "istream.c" i_stream_read_copy_from_parent(istream = 0x00000001100cbb20), line 118
in "istream.c" i_stream_header_filter_read(stream = 0x00000001100cbad0), line 315 in
"istream-header-filter.c" i_stream_read(stream = 0x00000001100cbb20), line 80 in "istream.c" i_stream_read_copy_from_parent(istream = 0x00000001100cbd20), line 118
in "istream.c" i_stream_mail_stats_read_mail_stats(stream = 0x00000001100cbcd0), line
47 in "istream-mail-stats.c" i_stream_read(stream = 0x00000001100cbd20), line 80 in "istream.c" i_stream_read_data(stream = 0x00000001100cbd20, data_r =
0x0fffffffffffecc0, size_r = 0x0fffffffffffecc8, threshold = 1), line
361 in "istream.c" message_parser_read_more(ctx = 0x00000001100cc118, block_r =
0x0fffffffffffecb0, full_r = 0x0fffffffffffeb84), line 118 in "message- parser.c" parse_next_body_to_boundary(ctx = 0x00000001100cc118, block_r =
0x0fffffffffffecb0), line 330 in "message-parser.c" message_parser_parse_next_block(ctx = 0x00000001100cc118, block_r =
0x0fffffffffffecb0), line 768 in "message-parser.c" message_parser_parse_body(ctx = 0x00000001100cc118, hdr_callback =
(nil), context = (nil)), line 831 in "message-parser.c" index_mail_parse_body(mail = 0x00000001100c9878, field =
MAIL_CACHE_FLAGS), line 792 in "index-mail.c" index_mail_get_parts(_mail = 0x00000001100c9878, parts_r =
0x0fffffffffffef28), line 224 in "index-mail.c" mail_get_parts(mail = 0x00000001100c9878, parts_r =
0x0fffffffffffef28), line 71 in "mail.c" unnamed block in search_arg_match_text(args = 0x00000001100c7e70, ctx
= 0x00000001100c95f0, ret = -1), line 647 in "index-search.c" search_arg_match_text(args = 0x00000001100c7e70, ctx =
0x00000001100c95f0, ret = -1), line 647 in "index-search.c" search_match_next(ctx = 0x00000001100c95f0), line 1101 in "index- search.c" unnamed block in index_storage_search_next_nonblock(_ctx =
0x00000001100c95f0, mail = 0x00000001100c9878, tryagain_r =
0x0ffffffffffff1e0), line 1301 in "index-search.c" index_storage_search_next_nonblock(_ctx = 0x00000001100c95f0, mail =
0x00000001100c9878, tryagain_r = 0x0ffffffffffff1e0), line 1301 in
"index-search.c" mailbox_search_next_nonblock(ctx = 0x00000001100c95f0, mail =
0x00000001100c9878, tryagain_r = 0x0ffffffffffff1e0), line 754 in
"mail-storage.c" cmd_search_more(cmd = 0x0000000110022058), line 347 in "imap-search.c" cmd_search_more_callback(cmd = 0x0000000110022058), line 434 in "imap- search.c" unnamed block in io_loop_handle_timeouts_real(ioloop =
0x000000011001f310), line 316 in "ioloop.c" io_loop_handle_timeouts_real(ioloop = 0x000000011001f310), line 316 in
"ioloop.c" unnamed block in io_loop_handle_timeouts(ioloop = 0x000000011001f310),
line 327 in "ioloop.c" io_loop_handle_timeouts(ioloop = 0x000000011001f310), line 327 in
"ioloop.c" io_loop_handler_run(ioloop = 0x000000011001f310), line 162 in "ioloop- poll.c" io_loop_run(ioloop = 0x000000011001f310), line 338 in "ioloop.c" main(argc = 1, argv = 0x0ffffffffffff630, envp = 0x0ffffffffffff640),
line 323 in "main.c"