Hi !
Yes it happens every 2 to 5 minutes so no problem in reproducing.
I made the change with valgrind, I have now this in my log :
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x6E8767F:
mysql_close (mariadb_lib.c:1916)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Address 0x66e3870
is 0 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== at 0x6E8767F:
mysql_close (mariadb_lib.c:1916)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== Address 0x66e3870
is 0 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x131818:
passdb_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1195D3: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119AFC:
auths_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x118786:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476==
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== at 0x6E8767F:
mysql_close (mariadb_lib.c:1916)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x131818:
passdb_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1195D3: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x119AFC:
auths_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x118786:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== Address 0x66e3870
is 0 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436==
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== at 0x6E8767F:
mysql_close (mariadb_lib.c:1916)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== Address 0x66e3870
is 0 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x6E87613:
ma_clear_session_state (mariadb_lib.c:1906)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8777D:
mysql_close (mariadb_lib.c:1936)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x131818:
passdb_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x1195D3: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x119AFC:
auths_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== by 0x118786:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431==
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2431== Invalid read of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== at 0x6E8767F:
mysql_close (mariadb_lib.c:1916)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== at 0x6E87613:
ma_clear_session_state (mariadb_lib.c:1906)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Address 0x66e3878
is 8 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x6E8777D:
mysql_close (mariadb_lib.c:1936)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2436== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2468== Address 0x66e3870
is 0 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2393== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x131818:
passdb_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1195D3: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119AFC:
auths_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x118786:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476==
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Invalid write of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x6E8762E:
memset (string3.h:90)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8762E:
ma_clear_session_state (mariadb_lib.c:1908)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8777D:
mysql_close (mariadb_lib.c:1936)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Address 0x66e3878
is 8 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x131818:
passdb_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1195D3: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119AFC:
auths_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x118786:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476==
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Invalid write of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x6E87636:
memset (string3.h:90)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E87636:
ma_clear_session_state (mariadb_lib.c:1908)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8777D:
mysql_close (mariadb_lib.c:1936)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Address 0x66e38c1
is 81 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x131818:
passdb_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1195D3: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119AFC:
auths_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x118786:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476==
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Invalid write of
size 8
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x6E8764C:
memset (string3.h:90)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8764C:
ma_clear_session_state (mariadb_lib.c:1908)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8777D:
mysql_close (mariadb_lib.c:1936)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1359D8:
userdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C88:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Address 0x66e3880
is 16 bytes inside a block of size 120 free'd
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2CDDB:
free (vg_replace_malloc.c:530)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E877FE:
mysql_close (mariadb_lib.c:1947)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x14768B: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D0B4:
db_sql_unref (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1318C1:
passdb_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119C68:
auths_deinit (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1187FF:
main (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== Block was alloc'd
at
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== at 0x4C2DBC5:
calloc (vg_replace_malloc.c:711)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6E8250A:
mysql_init (mariadb_lib.c:996)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x6C60837:
??? (in /usr/lib/dovecot/modules/libdriver_mysql.so)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x146FE4: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x13D10C:
db_sql_connect (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1348B0: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x131818:
passdb_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x1195D3: ???
(in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x119AFC:
auths_init (in /usr/lib/dovecot/auth)
Dec 4 12:00:27 xxxxx dovecot: auth-worker: Error: ==2476== by 0x118786:
main (in /usr/lib/dovecot/auth)
…
Is this what you want ?
Thanks again ;)
Guillaume
> Le 3 déc. 2018 à 11:06, Timo Sirainen <t...@iki.fi> a écrit :
>
> On 2 Dec 2018, at 22.22, Guillaume via dovecot <dovecot@dovecot.org> wrote:
>>
>> I also have this kind of segfault since the update :
>>
>> Dec 2 21:12:11 xxxxxxx dovecot: auth-worker: Error: *** Error in
>> `dovecot/auth': double free or corruption (fasttop): 0x000055573bb99f70
>
> Is this easy to reproduce? Can you try with valgrind? It will slow down the
> logins a bit though.
>
> service auth-worker {
> executable = /usr/bin/valgrind -q --vgdb=no /usr/lib/dovecot/auth -w
> }
>
> At least one good thing about this crash is that it seems to happen only at
> deinit, so it's not impacting users.
>
