search for: squat_trie_lock

...n a dovecot-2 plugin safely use file-locks or file-dotlocks when the processes into which it plugs handle multiple connections? (Via, e.g., service imap { client_limit = N service_count = 0 }) Dovecot's file-locks and file-dotlocks do not appear to support nesting/recursion. For instance, squat_trie_lock(). Imagine one user is connected to a single imap process twice.

...ir/dovecot.index.search.uids) failed: Cannot allocate memory Feb 26 14:27:51 postamt dovecot: imap(tscxxxf): Error: Corrupted squat uidlist file /home/t/s/tscxxxf/Maildir/dovecot.index.search.uids: uidlist not found Feb 26 14:27:52 postamt dovecot: imap(tscxxxf): Panic: file squat-trie.c: line 289 (squat_trie_lock): assertion failed: (trie->fd != -1) Feb 26 14:27:52 postamt dovecot: imap(tscxxxf): Error: Raw backtrace: /usr/local/lib/dovecot/libdovecot.so.0(+0x3d44a) [0xb771644a] -> /usr/local/lib/dovecot/libdovecot.so.0(+0x3d4bb) [0xb77164bb] -> /usr/local/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x...

...lock_do" #7 0x080d94fe in file_wait_lock (fd=-1, path=0x97d1e38 "/home/m/r/mrowka/Maildir/dovecot.index.search", lock_type=1, lock_method=FILE_LOCK_METHOD_FCNTL, timeout_secs=60, lock_r=0x97db704) at file-lock.c:129 ret = <value optimized out> #8 0xb7d95875 in squat_trie_lock (trie=0x97d0448, lock_type=1, file_lock_r=0x97db704, dotlock_r=0x97db708) at squat-trie.c:294 ret = 0 #9 0xb7d98996 in squat_trie_build_deinit (_ctx=0x97db720, expunged_uids=0xbf83b548) at squat-trie.c:1600 ctx = (struct squat_trie_build_context *) 0x97db6f8 unlock = <value optimiz...

...th=<optimized out>, lock_type=lock_type at entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs at entry=60, > lock_r=lock_r at entry=0x7fff04501118) at file-lock.c:303 > error = 0x564540376490 "" > ret = <optimized out> > #3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294 > ret = <optimized out> > dotlock_r = 0x7fff04501120 > file_lock_r = 0x7fff04501118 > trie = 0x564540376490 > ret = <optimized out> > __func__ = "squat_tri...

...th=<optimized out>, lock_type=lock_type at entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs at entry=60, > lock_r=lock_r at entry=0x7fff04501118) at file-lock.c:303 > error = 0x564540376490 "" > ret = <optimized out> > #3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294 > ret = <optimized out> > dotlock_r = 0x7fff04501120 > file_lock_r = 0x7fff04501118 > trie = 0x564540376490 > ret = <optimized out> > __func__ = "squat_tri...

..._type at entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs at entry=60, > > > lock_r=lock_r at entry=0x7fff04501118) at file-lock.c:303 > > > error = 0x564540376490 "" > > > ret = <optimized out> > > > #3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294 > > > ret = <optimized out> > > > dotlock_r = 0x7fff04501120 > > > file_lock_r = 0x7fff04501118 > > > trie = 0x564540376490 > > > ret = &lt...

...>, lock_type=lock_type at entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs at entry=60, > > lock_r=lock_r at entry=0x7fff04501118) at file-lock.c:303 > > error = 0x564540376490 "" > > ret = <optimized out> > > #3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294 > > ret = <optimized out> > > dotlock_r = 0x7fff04501120 > > file_lock_r = 0x7fff04501118 > > trie = 0x564540376490 > > ret = <optimized out> > &...

...>, lock_type=lock_type at entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs at entry=60, > > lock_r=lock_r at entry=0x7fff04501118) at file-lock.c:303 > > error = 0x564540376490 "" > > ret = <optimized out> > > #3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294 > > ret = <optimized out> > > dotlock_r = 0x7fff04501120 > > file_lock_r = 0x7fff04501118 > > trie = 0x564540376490 > > ret = <optimized out> > &...

...th=<optimized out>, lock_type=lock_type at entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs at entry=60, > lock_r=lock_r at entry=0x7fff04501118) at file-lock.c:303 > error = 0x564540376490 "" > ret = <optimized out> > #3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294 > ret = <optimized out> > dotlock_r = 0x7fff04501120 > file_lock_r = 0x7fff04501118 > trie = 0x564540376490 > ret = <optimized out> > __func__ = "squat_tri...

Hello, Recently, we had a file system problem. After fsck we started to get some core dump with imap process. Nov 4 15:15:04 mail_server1 dovecot: imap(user at domain.tld): Panic: file squat-trie.c: line 293 (squat_trie_lock): assertion failed: (trie->fd != -1) Nov 4 15:15:04 mail_server1 dovecot: imap(user at domain.tld): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x4892a) [0x7fe8b7c9392a] -> /usr/lib/dovecot/libdovecot.so.0(+0x48976) [0x7fe8b7c93976] -> /usr/lib/dovecot/libdovecot.so.0(i_error+...

finally managed to locate the dump here the output: # gdb /usr/libexec/dovecot/auth /var/lib/systemd/coredump/core.auth.0.3a33f56105e043de802a7dfcee265a07.28130.1543516118000000 GNU gdb (GDB) 8.2 Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it.

...ptimized out>, path=<optimized out>, lock_type=lock_type at entry=0, lock_method=<optimized out>, timeout_secs=timeout_secs at entry=60, lock_r=lock_r at entry=0x7fff04501118) at file-lock.c:303 error = 0x564540376490 "" ret = <optimized out> #3 0x00007f768a976c87 in squat_trie_lock (trie=0x564540376490, lock_type=0, file_lock_r=0x7fff04501118, dotlock_r=0x7fff04501120) at squat-trie.c:294 ret = <optimized out> dotlock_r = 0x7fff04501120 file_lock_r = 0x7fff04501118 trie = 0x564540376490 ret = <optimized out> __func__ = "squat_trie_lock" lock_type = 0 ret...