Well,
Using replication_sync_timeout = 60 or 15 leads to crash, 10 doesn't.
It is Dovecot v2.3.21.1 (d492236fa0) on OpenBSD.
Inside mail logs:
Sep 24 15:58:20 mx2 dovecot: lmtp(70545): Connect from local
Sep 24 15:58:25 mx2 dovecot: replicator: Panic: data stack: Out of memory when
allocating 17179869224 bytes
Sep 24 15:58:30 mx2 dovecot:
lmtp(k...@catap.net)<70545><4IQPAXzF8maREwEAU0lCkg>: Warning:
replication(k...@catap.net): Sync failure:
Sep 24 15:58:30 mx2 dovecot:
lmtp(k...@catap.net)<70545><4IQPAXzF8maREwEAU0lCkg>: Warning:
replication(k...@catap.net): Remote sent invalid input: -
Sep 24 15:58:30 mx2 dovecot:
lmtp(k...@catap.net)<70545><4IQPAXzF8maREwEAU0lCkg>: sieve:
msgid=<2bb5ed0ad8291...@mx2.catap.net>: stored mail into mailbox 'INBOX'
Sep 24 15:58:30 mx2 dovecot: replicator: Fatal: master: service(replicator):
child 21532 killed with signal 6 (core dumped)
Sep 24 15:58:30 mx2 dovecot: lmtp(70545): Disconnect from local: Logged out
(state=READY)
and stacktrace:
(gdb) bt f
#0 thrkill () at /tmp/-:2
No locals.
#1 0xfc8e9aa8d08a5c82 in ?? ()
No symbol table info available.
#2 0x00000c7c2b59121b in _libc_abort () at /usr/src/lib/libc/stdlib/abort.c:51
sa = {__sigaction_u = {__sa_handler = 0x0, __sa_sigaction = 0x0},
sa_mask = 4294967295, sa_flags = 0}
mask = 4294967263
#3 0x00000c7bec3b6015 in default_fatal_finish (type=LOG_TYPE_PANIC, status=0)
at failures.c:465
recursed = 0
backtrace = <optimized out>
#4 0x00000c7bec3b4487 in fatal_handler_real (ctx=0x7bec0b423480,
format=<optimized out>, args=<optimized out>) at failures.c:477
status = 0
#5 0x00000c7bec3b53c5 in i_internal_fatal_handler (ctx=0x0, format=0x6 <error:
Cannot access memory at address 0x6>, args=0x0) at failures.c:879
No locals.
#6 0x00000c7bec3b46b0 in i_panic (format=0xc7bec2a1f7b "data stack: Out of
memory when allocating %zu bytes") at failures.c:530
ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp = 0x0,
timestamp_usecs = 0, log_prefix = 0x0, log_prefix_type_pos = 0}
args = {{gp_offset = 16, fp_offset = 48, overflow_arg_area =
0x7bec0b4234e0, reg_save_area = 0x7bec0b4233d0}}
#7 0x00000c7bec3ad250 in mem_block_alloc (min_size=8589934592) at
data-stack.c:386
prev_size = <optimized out>
alloc_size = 17179869184
block = <optimized out>
#8 0x00000c7bec3aca34 in t_malloc_real (size=<optimized out>,
permanent=<optimized out>) at data-stack.c:492
block = <optimized out>
warn = <error reading variable warn (Cannot access memory at address
0x0)>
alloc_size = 8589934592
ret = <optimized out>
#9 0x00000c7bec3e1054 in pool_data_stack_realloc (pool=<optimized out>,
mem=0xc7d0cfeb028, old_size=4294967296, new_size=8589934592)
at mempool-datastack.c:173
dpool = <optimized out>
new_mem = <optimized out>
#10 0x00000c7bec3a775c in p_realloc (pool=0x0, mem=0x6, old_size=0,
new_size=8589934592) at ./mempool.h:120
No locals.
#11 buffer_alloc (buf=0xc7c601b18f8, size=8589934592) at buffer.c:40
No locals.
#12 0x00000c7bec3a7a4b in buffer_check_limits (buf=0xc7c601b18f8,
pos=<optimized out>, data_size=<optimized out>) at buffer.c:85
new_alloc_size = 6
new_size = 4294967296
#13 0x00000c7bec3a7b7a in buffer_check_append_limits (buf=0xc7c601b18f8,
data_size=32) at buffer.c:117
No locals.
#14 buffer_append (_buf=0xc7c601b18f8, data=0xc7c67be4000, data_size=32) at
buffer.c:234
pos = 4294967264
buf = 0xc7c601b18f8
#15 0x00000c79cd739786 in array_append_i (data=0x6, count=1, array=<optimized
out>) at ../../../src/lib/array.h:210
No locals.
#16 replicator_queue_handle_sync_lookups (queue=0xc7c67bb0b40,
user=0xc7c67bc70a0) at replicator-queue.c:334
callbacks = <error reading variable callbacks (Cannot access memory at
address 0x20)>
lookups = 0xc7c67be4000
i = 0
count = 1
success = <optimized out>
lookups_end = <optimized out>
#17 replicator_queue_push (queue=0xc7c67bb0b40, user=0xc7c67bc70a0) at
replicator-queue.c:352
_data_stack_cur_id = <optimized out>
#18 0x00000c79cd738b9e in dsync_callback (reply=DSYNC_REPLY_OK,
state=0xc7c601b1740 "AQAAANnUUhPeOYtlDEgBAHnjHAEI1YplAwAAAA0", 'A' <repeats
25 times>, "rYoAEtk5i2WIdgAAeeMcAQbVimUmBwAA3Qw", 'A' <repeats 18 times>,
"KoDAAAFBWQVA9WKZQaEAQB54xwBA9WKZccQAAA+M", 'A' <repeats 19 times>,
"ZQAAABs4QRHMOotlNmABAHnj"..., context=0xc7c67be7980) at replicator-brain.c:134
ctx = 0xc7c67be7980
user = 0x0
#19 0x00000c79cd7382c8 in dsync_input_line (client=0xc7c67bbc000,
line=<optimized out>) at dsync-client.c:64
state = <optimized out>
#20 dsync_input (client=0xc7c67bbc000) at dsync-client.c:154
line = <optimized out>
#21 0x00000c7bec3d1f3f in io_loop_call_io (io=0xc7c67bdb3c0) at ioloop.c:737
ioloop = 0xc7c67bb4be0
t_id = 0
#22 0x00000c7bec3d50a4 in io_loop_handler_run_internal (ioloop=0xc7c67bb4be0)
at ioloop-kqueue.c:164
tv = {tv_sec = 188, tv_usec = 270946}
ts = {tv_sec = 188, tv_nsec = 270946000}
ctx = 0xc7c67bd4460
msecs = <optimized out>
events = <optimized out>
events_count = <optimized out>
ret = <optimized out>
i = 0
io = 0xc7c67bdb3c0
event = <optimized out>
#23 0x00000c7bec3d26a0 in io_loop_handler_run (ioloop=0xc7c67bb4be0) at
ioloop.c:789
No locals.
#24 0x00000c7bec3d24a8 in io_loop_run (ioloop=0xc7c67bb4be0) at ioloop.c:762
No locals.
#25 0x00000c7bec3276b9 in master_service_run (service=0xc7c67bca8c0,
callback=0x6) at master-service.c:878
No locals.
#26 0x00000c79cd738504 in main (argc=1, argv=0x7bec0b423918) at replicator.c:112
set_roots = {0xc79cd73c960 <replicator_setting_parser_info>, 0x0}
service_flags = <error reading variable service_flags (Cannot access
memory at address 0x80)>
error = 0xc7c4b8b0290 <_dl_dtors>
"\363\017\036\372UH\211\345\350\063\273\377\377\350\236\367\377\377H\307D$\370"
(gdb)
--
wbr, Kirill
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