[Olsr-dev] olsrdv1: crash in jsoninfo plugin - weimarnetz

Henning Rogge (spam-protected)
Tue Jun 16 20:37:01 CEST 2015 

Ferry,

I see references to the sgw part of the jsoninfo... any idea?

Henning

On Tue, Jun 16, 2015 at 8:31 PM, Andreas Bräu <(spam-protected)> wrote:
> Hi,
>
> today I compiled olsrd v0.9.0 on x86. When I call the jsoninfo plugin
> olsrd crashed. We have a core dump.
>
> jsoninfo is configured as simple as it could be:
>
> LoadPlugin "olsrd_jsoninfo.so.0.0"
> {
> }
>
> Do you see anything?
>
> Best,
>
> Andi
>
> (spam-protected):~# gdb /usr/local/sbin/olsrd core
> GNU gdb (Debian 7.7.1+dfsg-5) 7.7.1
> Copyright (C) 2014 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-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/local/sbin/olsrd...done.
> [New LWP 9262]
> Core was generated by `olsrd -f /etc/olsrd.conf -d 3'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0  0x00007fdae736dadb in sgw_ipvx (abuf=0x7ffe9b3f33b0, ipv6=false) at
> src/olsrd_jsoninfo.c:875
> 875         struct gateway_entry * gw = node->gw;
> (gdb) bt full
> #0  0x00007fdae736dadb in sgw_ipvx (abuf=0x7ffe9b3f33b0, ipv6=false) at
> src/olsrd_jsoninfo.c:875
>         originatorStr = {buf =
> "0б\001\000\000\000\000P0?\233\376\177\000\000
> \225@\000\000\000\000\000
> Q?\233\376\177\000\000\000\000\000\000\000\000\000\000\276\230@\000\000
> "}
>         prefixIpStr = {buf =
> "\030\000\000\000\060\000\000\000p0?\233\376\177\000\000\345\f7\347\332
> \177\000\000\260\063?\233\376\177\000\000\020\000\000\000\060\000\000\0
> 00P1?\233\376\177"}
>         prefixIPStr = 0x7ffe9b3f33b0 ""
>         gw = 0x7fdae736b2d7 <abuf_json_new_indent+69>
>         selected = false
>         originator = 0x7ffe9b3f33b0 ""
>         netmask = {v4 = {s_addr = 0}, v6 = {__in6_u = {__u6_addr8 =
> '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0},
> __u6_addr32 = {0, 0, 0, 0}}}}
>         node = 0x0
>         tunnelGwStr = {buf = "
> \000\000\000\060\000\000\000P1?\233\376\177\000\000\220\060?\233\376\17
> 7\000\000\204\232@\000\000\000\000\000\262\f7\347\332\177\000\000\260\0
> 63?\233\376\177"}
>         tc = 0x7ffe9b3f3140
>         prefixMaskStr = {buf =
> "\220\060?\233\376\177\000\000>\016\001\000\b\000\000\(spam-protected)?\233\376\177\000\000\376\231@\000\000\000
> \000\000\345\f7\347\332\177\000\000\260\063?\233\376\177"}
>         prefixMASKStr = 0x7fdae7370cb2 "  "
>         tunnelGw = 0x409a84 <abuf_puts+120>
> "H\213E\350\213P\004\213E\374\001\302H\213E\350\211P\004\213E\374\311\303UH\211\345H\203\354\060H\211}\350H\211u\340H\211U\330H\213E\350\213\020H\213E\350\213@\004)\302\211\320H\230H\213U\350H\213J\bH\213U\350\213R\004Hc\322H\215<\021H\213M\330H\213U\340H\211\306\350W\370\377\377\211E\374\203",
> <incomplete sequence \374>
>         current_gw = 0x0
>         sgwTunnelInterfaceNames = 0x0
>         i = 0
> #1  0x00007fdae736df2a in ipc_print_sgw (abuf=0x7ffe9b3f33b0) at
> src/olsrd_jsoninfo.c:929
> No locals.
> #2  0x00007fdae7370769 in send_info (send_what=8191, the_socket=12) at
> src/olsrd_jsoninfo.c:1362
>         abuf = {size = 69632, len = 69204,
>           buf = 0x1b5c070 "{\n  \"systemTime\": 1434479108,\n
>  \"timeSinceStartup\": 3932,\n  \"neighbors\": [\n    {\n
>  \"ipAddress\": \"10.63.1.21\",\n      \"symmetric\": true,\n
>  \"multiPointRelay\": false,\n      \"multiPointRelaySelecto"...}
>         header_len = 0
>         header_buf =
> "\377\377\377\377\377\377\377\377\000\000\000\000\000\000\000\000\377\377\377\377\377\377\377\377\372\351|\347\332\177\000\000\377\377\377\377\000\000\000\000\372\351|\347\332\177\000\000\266\066?\000\v\000\000\000`W\262\347\332\177\000\000\000\000\000\000\000\000\000\000\n\000\000\000\000\000\000\000!o\216\347\332\177\000\000\060б\001\000\000\000\000.\000\000\000\000\000\000\000\240<?\233\376\177\000\000
> Q?\233\376\177\000\000\027?}\347\332\177\000\000\000\070?\233\376\177\000\000\060\000\000\000\060\000\000\000\020\063?\233\376\177\000\000P2?\233\376\177\000\000\260\070?\233\376\177\000\000\360\067?\233\376\177\000\000\177",
> '\000' <repeats 23 times>,
> "\001"...
>         content_type = 0x7fdae7371f85 "application/json"
> #3  0x00007fdae736c4a8 in ipc_action (fd=10, data=0x0, flags=1) at
> src/olsrd_jsoninfo.c:547
>         pin = {storage = {ss_family = 2, __ss_align = 0,
>             __ss_padding =
> "\260=?\233\376\177\000\000\360<?\233\376\177\000\000pv\264\001\000\000\000\000P\255\263\001\000\000\000\000\n\000\000\000\000\000\000\000?\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\360=?\233\376\177\000\000pv\264\001\000\000\000\000\004j\200U\000\000\000\000\060б\001\000\000\000\000
> \225@\000\000\000\000\000 Q?\233\376\177\000"}, in = {sa_family = 2,
> sa_data = "\336\310\177\000\000\001\000\000\000\000\000\000\000"}, in4
> = {sin_family = 2, sin_port = 51422, sin_addr = {
>               s_addr = 16777343}, sin_zero =
> "\000\000\000\000\000\000\000"}, in6 = {sin6_family = 2, sin6_port =
> 51422, sin6_flowinfo = 16777343, sin6_addr = {__in6_u = {__u6_addr8 =
> "\000\000\000\000\000\000\000\000\260=?\233\376\177\000", __u6_addr16 =
> {0, 0, 0, 0, 15792, 39743,
>                   32766, 0}, __u6_addr32 = {0, 0, 2604613040, 32766}}},
> sin6_scope_id = 2604612848}}
>         addr =
> "127.0.0.1\000E\000\000\000\000\000.\000\000\000\000\000\000\000\220>?\233\376\177\000\000
> Q?\233\376\177\000\000\027?}\
> 347\332\177"
>         rfds = {__fds_bits = {4096, 0 <repeats 15 times>}}
>         tv = {tv_sec = 0, tv_usec = 0}
>         send_what = 8191
>         ipc_connection = 12
>         addrlen = 16
> #4  0x000000000041712f in poll_sockets () at src/scheduler.c:341
>         flags = 1
>         _socket_node = 0x1b23bb8
>         _next_socket_node = 0x1b23d58
>         n = 2
>         entry = 0x1b23b90
>         ibits = {__fds_bits = {3072, 0 <repeats 15 times>}}
>         obits = {__fds_bits = {0 <repeats 16 times>}}
>         tvp = {tv_sec = 0, tv_usec = 0}
>         hfd = 12
>         fdsets = 1
> #5  0x00000000004176bf in olsr_scheduler () at src/scheduler.c:481
>         next_interval = 3982
> #6  0x000000000041e99c in main (argc=3, argv=0x7ffe9b3f5128) at
> src/main.c:704
>         default_ifcnf = 0x1b1d200
>         conf_file_name = "/etc/olsrd.conf\000.conf", '\000' <repeats
> 1363 times>...
>         buf = {buf = "10.63.1.51", '\000' <repeats 35 times>}
>         loadedConfig = true
>         i = 5
>         ifn = 0x44b9c0 <__libc_csu_init>
>         __func__ = "main"
> (gdb)
> --
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