[2.3.4] Segmentation faults
Joan Moreau
jom at grosjo.net
Fri Nov 30 07:11:59 EET 2018
ANother (very very long) example :
# gdb /usr/libexec/dovecot/indexer-worker
core.indexer-worker.0.3a33f56105e043de802a7dfcee265a07.21017.1543533424000000
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>
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Type "show copying" and "show warranty" for details.
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Reading symbols from /usr/libexec/dovecot/indexer-worker...done.
[New LWP 21017]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `dovecot/indexer-worker'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f768b62b13e in file_lock_do (fd=18, path=0x564540376790
"/data/mail/grosjo.net/admin/mailboxes/QoS/dbox-Mails/dovecot.index.search",
lock_type=0,
lock_method=FILE_LOCK_METHOD_FCNTL, timeout_secs=60,
error_r=0x7fff045010b0) at file-lock.c:173
173 {
(gdb) bt full
#0 0x00007f768b62b13e in file_lock_do (fd=18, path=0x564540376790
"/data/mail/grosjo.net/admin/mailboxes/QoS/dbox-Mails/dovecot.index.search",
lock_type=0,
lock_method=FILE_LOCK_METHOD_FCNTL, timeout_secs=60,
error_r=0x7fff045010b0) at file-lock.c:173
lock_type_str = <optimized out>
started = <optimized out>
ret = <optimized out>
__func__ = "file_lock_do"
#1 0x00007f768b62b5b6 in file_wait_lock_error (fd=18,
path=0x564540376790
"/data/mail/grosjo.net/admin/mailboxes/QoS/dbox-Mails/dovecot.index.search",
lock_type=0,
lock_method=FILE_LOCK_METHOD_FCNTL, timeout_secs=<optimized out>,
lock_r=0x7fff04501118, error_r=0x7fff045010b0) at file-lock.c:318
lock = <optimized out>
ret = <optimized out>
#2 0x00007f768b62b660 in file_wait_lock (fd=<optimized 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 = <optimized out>
__func__ = "squat_trie_lock"
#4 0x00007f768a978627 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1487
file_lock = 0x0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#5 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#6 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#7 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#8 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized out>)
at squat-uidlist.c:569
No locals.
#9 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c850
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#10 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#11 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#12 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#13 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#14 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c7b0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#15 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#16 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#17 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#18 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#19 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c710
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#20 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#21 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#22 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#23 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#24 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c670
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#25 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#26 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#27 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#28 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#29 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c5d0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#30 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#31 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#32 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#33 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#34 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c530
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#35 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#36 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#37 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#38 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#39 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c490
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#40 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#41 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#42 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#43 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#44 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c3f0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#45 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#46 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#47 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#48 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#49 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c350
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#50 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
#51 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#52 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#53 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#54 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c2b0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#55 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#56 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#57 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#58 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#59 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c210
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#60 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#61 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#62 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#63 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#64 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c170
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#65 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#66 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#67 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#68 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#69 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c0d0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#70 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#71 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#72 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#73 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#74 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210c030
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#75 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#76 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#77 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#78 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#79 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bf90
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#80 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#81 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#82 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#83 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#84 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bef0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#85 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#86 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#87 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#88 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#89 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210be50
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#90 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#91 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#92 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#93 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#94 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bdb0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#95 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#96 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#97 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0) at
squat-uidlist.c:546
No locals.
#98 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#99 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bd10
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#100 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#101 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#102 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0)
at squat-uidlist.c:546
No locals.
#103 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#104 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bc70
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#105 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#106 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#107 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0)
at squat-uidlist.c:546
No locals.
#108 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#109 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bbd0
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#110 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#111 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#112 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0)
at squat-uidlist.c:546
No locals.
#113 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#114 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210bb30
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#115 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#116 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#117 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0)
at squat-uidlist.c:546
No locals.
#118 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#119 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210ba90
dotlock = 0x0
changed = <optimized out>
ret = <optimized out>
#120 0x00007f768a97b19d in squat_uidlist_map_header
(uidlist=0x5645403767f0) at squat-uidlist.c:378
No locals.
#121 squat_uidlist_map (uidlist=0x5645403767f0) at squat-uidlist.c:477
mmap_hdr = <optimized out>
ret = <optimized out>
#122 0x00007f768a97b432 in squat_uidlist_open (uidlist=0x5645403767f0)
at squat-uidlist.c:546
No locals.
#123 0x00007f768a97b5aa in squat_uidlist_refresh (uidlist=<optimized
out>) at squat-uidlist.c:569
No locals.
#124 0x00007f768a9787c2 in squat_trie_map (trie=0x564540376490,
building=<optimized out>) at squat-trie.c:1526
file_lock = 0x56454210b9f0
dotlock = 0x0
changed = <optimized out>
(continues for ages)
On 2018-11-29 19:36, Joan Moreau wrote:
> 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.
> There is NO WARRANTY, to the extent permitted by law.
> Type "show copying" and "show warranty" for details.
> This GDB was configured as "x86_64-pc-linux-gnu".
> Type "show configuration" for configuration details.
> For bug reporting instructions, please see:
> <http://www.gnu.org/software/gdb/bugs/>.
> Find the GDB manual and other documentation resources online at:
> <http://www.gnu.org/software/gdb/documentation/>.
>
> For help, type "help".
> Type "apropos word" to search for commands related to "word"...
> Reading symbols from /usr/libexec/dovecot/auth...done.
> [New LWP 28130]
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/usr/lib/libthread_db.so.1".
> Core was generated by `dovecot/auth wor'.
> Program terminated with signal SIGABRT, Aborted.
> #0 0x00007f739c35cd7f in raise () from /usr/lib/libc.so.6
> (gdb) bt full
> #0 0x00007f739c35cd7f in raise () from /usr/lib/libc.so.6
> No symbol table info available.
> #1 0x00007f739c347672 in abort () from /usr/lib/libc.so.6
> No symbol table info available.
> #2 0x00007f739c39f878 in __libc_message () from /usr/lib/libc.so.6
> No symbol table info available.
> #3 0x00007f739c3a618a in malloc_printerr () from /usr/lib/libc.so.6
> No symbol table info available.
> #4 0x00007f739c3a7b27 in _int_free () from /usr/lib/libc.so.6
> No symbol table info available.
> #5 0x00007f739cc33585 in mysql_close (mysql=0x5636af7abdc0) at /usr/src/mariadb-10.3.11/libmariadb/libmariadb/mariadb_lib.c:1939
> mysql = 0x5636af7abdc0
> p = <optimized out>
> p = <optimized out>
> #6 0x00005636aef08f7c in driver_sqlpool_disconnect (_db=0x5636af7aaf30) at driver-sqlpool.c:590
> conn__foreach_end = 0x5636af7ab570
> db = 0x5636af7aaf30
> conn = 0x5636af7ab560
> #7 0x00005636aeefed65 in db_sql_unref (_conn=0x5636af7b0020) at db-sql.c:128
> conn = 0x5636af7ae388
> #8 0x00005636aeef7e15 in userdb_deinit (userdb=0x5636af7afff8) at userdb.c:191
> idx = 0
> __func__ = "userdb_deinit"
> #9 0x00005636aeede209 in auth_deinit (auth=0x5636af7afd58) at auth.c:335
> passdb = <optimized out>
> userdb = 0x5636af7aff18
> passdb = <optimized out>
> userdb = <optimized out>
> #10 auths_deinit () at auth.c:433
> auth__foreach_end = 0x5636af7ae2f8
> auth = 0x5636af7ae2f0
> #11 0x00005636aeedcf65 in main_deinit () at main.c:270
> l = <optimized out>
> l = <optimized out>
> l_end = <optimized out>
> #12 main (argc=<optimized out>, argv=<optimized out>) at main.c:401
> c = <optimized out>
>
> On 2018-11-29 18:07, Joan Moreau wrote:
>
> Can't find any "core" files (updatedb ; locate "core"). Coredump are usually in /var/liv/systemd/coredump for other programs, but nothing for dovecot.
>
> Looks like issue is in 'auth' and 'indexer-worker'. Where can be the coredump files ?
>
> On 2018-11-28 18:13, Timo Sirainen wrote: See https://dovecot.org/bugreport.html#coredumps
>
> Without a backtrace it's not really possible to figure out where it's crashing.
>
> On 28 Nov 2018, at 13.20, Joan Moreau <jom at grosjo.net> wrote:
>
> Where to get that ?
>
> On 2018-11-27 08:50, Aki Tuomi wrote:
>
> It's still missing core dump (or bt full from it)
>
> Aki
>
> On 27.11.2018 8.39, Joan Moreau wrote:
>
> Thank you Aki
>
> here the requested data (below)
>
> Please not as well that we have numerous subfolders (>50) and pretty big mailbox sizes (>20G)
>
> Bug appears mostly in auth process and index-worker
>
> dovecot -n :
>
> # 2.4.devel (de42b54aa): /etc/dovecot/dovecot.conf
> # Pigeonhole version 0.6.devel (65909cfa)
> # OS: Linux 4.19.4-arch1-1-ARCH x86_64 ext4
> # Hostname: gjserver
> base_dir = /run/dovecot
> default_login_user = dovecot
> default_vsz_limit = 16 G
> disable_plaintext_auth = no
> listen = *
> log_path = /var/log/mail/dovecot.log
> mail_gid = mail
> mail_location = mdbox:/data/mail/%d/%n:ALT=/data/mail/archives/%d/%n
> mail_plugins = fts fts_squat
> mail_uid = mailusers
> managesieve_notify_capability = mailto
> managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext
> mdbox_rotate_size = 24 M
>
> (...)
>
> passdb {
> args = /etc/dovecot/dovecot-sql.conf
> driver = sql
> }
> (the rest default values)
>
> On 2018-11-25 08:08, Aki Tuomi wrote:
>
> On 25 November 2018 at 06:29 Joan Moreau < jom at grosjo.net> wrote:
>
> Hi
>
> THis is the lines I have in my dmesg (see below)
>
> In dovecot log , I see:
>
> Nov 25 04:26:47 auth-worker: Error: double free or corruption (fasttop)
>
> What do to about it ?
>
> Using lastest 2.3.4 version
>
> Thank you
>
> --------
>
> [132932.169265] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 aa 36 f5 7a 7f 00
> 00 <40> 24 3d f5 7a 7f 00 00 21 80 00 00 00 00 00 00 00 94 16 d6 ee 55
> [134031.969596] auth[27031]: segfault at 55e509612c30 ip
> 000055e509612c30 sp 00007ffeb96dee48 error 15
> [134031.969603] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 3a d3 e4 ef 7f 00
> 00 <40> b4 d9 e4 ef 7f 00 00 21 80 00 00 00 00 00 00 00 04 5f 09 e5 55
> [134081.497871] doveadm[28930]: segfault at 7ffe4a16efc8 ip
> 00007f393841013e sp 00007ffe4a16efc0 error 6 in
> libdovecot.so.0.0.0[7f3938363000+e2000]
> [134081.497876] Code: 7d be e9 68 ff ff ff e8 10 4c f5 ff 41 57 41 89 cf
> 41 56 49 89 f6 41 55 41 89 fd 31 ff 41 54 55 44 89 c5 53 89 d3 48 83 ec
> 58 <4c> 89 4c 24 08 64 48 8b 04 25 28 00 00 00 48 89 44 24 48 31 c0 e8
> [134084.145731] doveadm[29186]: segfault at 7fff1cfdbff8 ip
> 00007f4376e32ffb sp 00007fff1cfdc000 error 6 in
> libdovecot.so.0.0.0[7f4376d86000+e2000]
> [134084.145735] Code: ff 66 0f 1f 44 00 00 e9 9d dc f6 ff 0f 1f 00 48 83
> ec 08 48 83 3d 14 16 0b 00 00 0f 85 d2 76 f6 ff 31 f6 48 8d 3d 05 16 0b
> 00 <e8> 00 54 f5 ff 85 c0 0f 88 e4 76 f6 ff 48 83 c4 08 e9 69 dc f6 ff
> [135453.211242] indexer-worker[2539]: segfault at 7ffec3ba4ff8 ip
> 00007ffec43fdcff sp 00007ffec3ba5000 error 6
> [135453.211245] Code: 95 4c 89 f7 48 89 75 d0 e8 5e fc ff ff 48 8b 75 d0
> e9 56 ff ff ff 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89
> f4 <53> 48 83 ec 08 48 85 ff 0f 84 b3 00 00 00 48 89 fb 4c 8d 35 69 c3
> [135453.730250] indexer-worker[9236]: segfault at 7fffed921ff8 ip
> 00007fb7c9c4f5b1 sp 00007fffed922000 error 6 in
> libdovecot.so.0.0.0[7fb7c9ba2000+e2000]
> [135453.730256] Code: 2e 0f 1f 84 00 00 00 00 00 41 57 4d 89 cf 41 56 41
> 89 fe 41 55 49 89 f5 41 54 41 89 d4 55 89 cd 53 48 83 ec 08 4c 8b 4c 24
> 40 <e8> 6a fb ff ff 85 c0 7e 4f 48 8b 05 7f f9 0a 00 be 38 00 00 00 48
> [135796.171575] auth[11121]: segfault at 555f8645cc30 ip
> 0000555f8645cc30 sp 00007ffcbb510868 error 15
> [135796.171586] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 ba ed 38 b7 7f 00
> 00 <40> 34 f4 38 b7 7f 00 00 21 80 00 00 00 00 00 00 00 a4 43 86 5f 55
> [136710.562003] auth[17828]: segfault at 563443604c30 ip
> 0000563443604c30 sp 00007ffc1aa8b498 error 15
> [136710.562013] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 fa 48 da d5 7f 00
> 00 <40> 74 4f da d5 7f 00 00 21 80 00 00 00 00 00 00 00 24 5e 43 34 56
> [138331.686718] auth[31046]: segfault at 55b27bc63c30 ip
> 000055b27bc63c30 sp 00007ffd5d5b9298 error 15
> [138331.686721] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 9a 08 17 cd 7f 00
> 00 <40> 14 0f 17 cd 7f 00 00 21 80 00 00 00 00 00 00 00 14 c4 7b b2 55
> [138521.070485] auth[32481]: segfault at 556e05197c30 ip
> 0000556e05197c30 sp 00007ffe87217c08 error 15
> [138521.070487] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 aa a7 20 3c 7f 00
> 00 <40> 24 ae 20 3c 7f 00 00 21 80 00 00 00 00 00 00 00 54 17 05 6e 55
> [138782.544700] auth[2408]: segfault at 5570d3e46c30 ip 00005570d3e46c30
> sp 00007ffc9118a5e8 error 15
> [138782.544709] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 da fc 71 11 7f 00
> 00 <40> 54 03 72 11 7f 00 00 21 80 00 00 00 00 00 00 00 44 e2 d3 70 55
> [139113.225511] indexer-worker[3785]: segfault at 7ffe49316ff8 ip
> 00007ffe49ba7cff sp 00007ffe49317000 error 6
> [139113.225514] Code: 95 4c 89 f7 48 89 75 d0 e8 5e fc ff ff 48 8b 75 d0
> e9 56 ff ff ff 0f 1f 44 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 49 89
> f4 <53> 48 83 ec 08 48 85 ff 0f 84 b3 00 00 00 48 89 fb 4c 8d 35 69 c3
> [139113.733885] indexer-worker[5483]: segfault at 7ffcdc00efb8 ip
> 00007fa68292a13e sp 00007ffcdc00efb0 error 6 in
> libdovecot.so.0.0.0[7fa68287d000+e2000]
> [139113.733890] Code: 7d be e9 68 ff ff ff e8 10 4c f5 ff 41 57 41 89 cf
> 41 56 49 89 f6 41 55 41 89 fd 31 ff 41 54 55 44 89 c5 53 89 d3 48 83 ec
> 58 <4c> 89 4c 24 08 64 48 8b 04 25 28 00 00 00 48 89 44 24 48 31 c0 e8
> [139120.612228] indexer-worker[5498]: segfault at 7ffc90beaff8 ip
> 00007f0e09ae259f sp 00007ffc90beb000 error 6 in
> libdovecot.so.0.0.0[7f0e09a35000+e2000]
> [139120.612232] Code: c2 48 8b 44 24 08 48 8b 30 31 c0 e8 cb 2d f5 ff 66
> 66 2e 0f 1f 84 00 00 00 00 00 41 57 4d 89 cf 41 56 41 89 fe 41 55 49 89
> f5 <41> 54 41 89 d4 55 89 cd 53 48 83 ec 08 4c 8b 4c 24 40 e8 6a fb ff
> [139747.003229] auth[9545]: segfault at 558b5e039c30 ip 0000558b5e039c30
> sp 00007ffd43633008 error 15
> [139747.003239] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 2a ef 0e 75 7f 00
> 00 <40> a4 f5 0e 75 7f 00 00 21 80 00 00 00 00 00 00 00 74 01 5e 8b 55
> [140640.900512] auth[17221]: segfault at 55e952d41c30 ip
> 000055e952d41c30 sp 00007ffc36fa0908 error 15
> [140640.900523] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 5a ec 80 b9 7f 00
> 00 <40> d4 f2 80 b9 7f 00 00 21 80 00 00 00 00 00 00 00 f4 d1 52 e9 55
> [140777.927292] auth[18114]: segfault at 55bd72adec30 ip
> 000055bd72adec30 sp 00007ffca394ba98 error 15
> [140777.927302] Code: 00 00 00 00 00 00 00 00 00 00 80 00 00 00 00 00 00
> 00 21 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 20 ba cb 67 d7 7f 00
> 00 <40> 34 d2 67 d7 7f 00 00 21 80 00 00 00 00 00 00 00 c4 ab 72 bd 55
>
> Please see https://dovecot.org/bugreport.html
> ---
> Aki
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