[syslog-ng] [Bug 141] New: Crash while reloading config

[bugzilla at bugzilla.balabit.com]

https://bugzilla.balabit.com/show_bug.cgi?id=141

           Summary: Crash while reloading config
           Product: syslog-ng
           Version: 3.3.x
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: unspecified
         Component: syslog-ng
        AssignedTo: bazsi at balabit.hu
        ReportedBy: eric at sevenscale.com
Type of the Report: ---
   Estimated Hours: 0.0


We have experienced multiple instances of crashes on reloading a config with 3.3.1.

Here is the backtrace:

(gdb) where
#0  afsocket_sd_remove_and_kill_connection (self=0x0, connection=0x1d64010) at afsocket.c:343
#1  0x00007f3b91790560 in afsocket_sd_kill_connection_list (list=<value optimized out>) at afsocket.c:367
#2  0x00007f3b9225a4f2 in persist_config_entry_free (self=0x1eb9180) at cfg.c:66
#3  0x0000003b62a2dd3e in ?? () from /lib64/libglib-2.0.so.0
#4  0x0000003b62a2e1ad in g_hash_table_remove_all () from /lib64/libglib-2.0.so.0
#5  0x0000003b62a2e245 in g_hash_table_destroy () from /lib64/libglib-2.0.so.0
#6  0x00007f3b9225a78c in persist_config_free (self=0x35de9e0) at cfg.c:83
#7  0x00007f3b922730d4 in main_loop_reload_config_apply () at mainloop.c:491
#8  0x00007f3b9228f81b in iv_signal_event (_this=0x7f3b924bbee0) at iv_signal.c:80
#9  0x00007f3b9228f3a9 in iv_event_raw_got_event (_this=0x7f3b924bbf08) at iv_event_raw.c:82
#10 0x00007f3b9228cdf6 in iv_run_active_list () at iv_main.c:219
#11 iv_main () at iv_main.c:269
#12 0x00007f3b92272c3e in main_loop_run () at mainloop.c:722
#13 0x00000000004015b1 in main ()
(gdb) p *connection
$5 = {super = {ref_cnt = {counter = 2}, flags = 0, cfg = 0x0, pipe_next = 0x1a2e5b0, queue_data = 0x0, queue = 0, init = 
    0x7f3b917901b0 <afsocket_sc_init>, deinit = 0x7f3b91790470 <afsocket_sc_deinit>, free_fn = 0x7f3b9178fc60 <afsocket_sc_free>, 
    notify = 0x7f3b91790570 <afsocket_sc_notify>}, owner = 0x0, reader = 0x1d64430, sock = 386, peer_addr = 0x0}
(gdb)


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