erts dump in /usr/lib64/libcrypto.so.10

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erts dump in /usr/lib64/libcrypto.so.10

Monk Boy
Hi all:

When I use the ejabberd, I got a core file. I use gdb to analyzw the reasons. But I did not find the reason. The following is the process of mu analysis:

=============
[/home/q/ejabberd16.09.1903]# gdb /home/q/erlang1903/lib/erlang/erts-8.3/bin/beam.smp  var/lib/ejabberd/core
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-75.el6)
Copyright (C) 2010 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-redhat-linux-gnu".
For bug reporting instructions, please see:
Reading symbols from /home/q/erlang1903/lib/erlang/erts-8.3/bin/beam.smp...done.
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Missing separate debuginfo for /home/q/erlang1903/lib/erlang/lib/crypto-3.7.3/priv/lib/crypto.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/81/bfdd1fd64e3ab54a08250be06c1206e9f58451
Missing separate debuginfo for /home/q/erlang1903/lib/erlang/lib/crypto-3.7.3/priv/lib/crypto_callback.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/48/3db7c6adda8b1189f736e2d6add5c27c8519cd
Missing separate debuginfo for /home/q/ejabberd16.09.1903/lib/fast_yaml-1.0.6/priv/lib/fast_yaml.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/bd/2eda60ce2875f84049772382d146f5463a6b4f
Missing separate debuginfo for /lib64/libyaml-0.so.2
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/ae/35d9988c86d9305257e3a66c1dabf9a8d26247
Missing separate debuginfo for /home/q/ejabberd16.09.1903/lib/fast_tls-1.0.7/priv/lib/p1_sha.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/2f/2216be1af770efa084baf2ef9d12379bff0c28
Missing separate debuginfo for /home/q/ejabberd16.09.1903/lib/fast_tls-1.0.7/priv/lib/fast_tls_drv.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/19/1e48d91446e248dbff31134c9f5d1db9a5a596
Missing separate debuginfo for /home/q/ejabberd16.09.1903/lib/fast_xml-1.1.15/priv/lib/fxml.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/5b/8c6fd4eb179d16391929c1dcd30c6894c04154
Missing separate debuginfo for /home/q/ejabberd16.09.1903/lib/fast_xml-1.1.15/priv/lib/fxml_stream.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/8d/56b1d43d23899556c668377ee64129a6bc611f
Missing separate debuginfo for /home/q/ejabberd16.09.1903/lib/stringprep-1.0.6/priv/lib/stringprep.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/58/3a0dd70b94291dfdcc8072ae0a3d0c0c5d49d2
Missing separate debuginfo for /home/q/ejabberd16.09.1903/lib/ezlib-1.0.1/priv/lib/ezlib_drv.so
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/bb/101cc9d2f28f536b249896e08eb342ed38a5c2
Missing separate debuginfo for 
Try: yum --enablerepo='*-debug*' install /usr/lib/debug/.build-id/71/a96b79419fe40ff1706d59ed06d6dbe37c8e97
Reading symbols from /lib64/libutil.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libutil.so.1
Reading symbols from /lib64/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libdl.so.2
Reading symbols from /lib64/libm.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib64/libm.so.6
Reading symbols from /lib64/libtinfo.so.5...(no debugging symbols found)...done.
Loaded symbols for /lib64/libtinfo.so.5
Reading symbols from /lib64/libpthread.so.0...(no debugging symbols found)...done.
[Thread debugging using libthread_db enabled]
Loaded symbols for /lib64/libpthread.so.0
Reading symbols from /lib64/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/librt.so.1
Reading symbols from /lib64/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib64/libc.so.6
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /home/q/erlang1903/lib/erlang/lib/crypto-3.7.3/priv/lib/crypto.so...done.
Loaded symbols for /home/q/erlang1903/lib/erlang/lib/crypto-3.7.3/priv/lib/crypto.so
Reading symbols from /usr/lib64/libcrypto.so.10...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libcrypto.so.10
Reading symbols from //lib64/libz.so.1...(no debugging symbols found)...done.
Loaded symbols for //lib64/libz.so.1
Reading symbols from /home/q/erlang1903/lib/erlang/lib/crypto-3.7.3/priv/lib/crypto_callback.so...done.
Loaded symbols for /home/q/erlang1903/lib/erlang/lib/crypto-3.7.3/priv/lib/crypto_callback.so
Reading symbols from /home/q/ejabberd16.09.1903/lib/fast_yaml-1.0.6/priv/lib/fast_yaml.so...done.
Loaded symbols for /home/q/ejabberd16.09.1903/lib/fast_yaml-1.0.6/priv/lib/fast_yaml.so
Reading symbols from /lib64/libyaml-0.so.2...done.
Loaded symbols for /lib64/libyaml-0.so.2
Reading symbols from /home/q/ejabberd16.09.1903/lib/fast_tls-1.0.7/priv/lib/p1_sha.so...done.
Loaded symbols for /home/q/ejabberd16.09.1903/lib/fast_tls-1.0.7/priv/lib/p1_sha.so
Reading symbols from /usr/lib64/libssl.so.10...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libssl.so.10
Reading symbols from /lib64/libgssapi_krb5.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libgssapi_krb5.so.2
Reading symbols from /lib64/libkrb5.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib64/libkrb5.so.3
Reading symbols from /lib64/libcom_err.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libcom_err.so.2
Reading symbols from /lib64/libk5crypto.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib64/libk5crypto.so.3
Reading symbols from /lib64/libkrb5support.so.0...(no debugging symbols found)...done.
Loaded symbols for /lib64/libkrb5support.so.0
Reading symbols from /lib64/libkeyutils.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libkeyutils.so.1
Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib64/libresolv.so.2
Reading symbols from /lib64/libselinux.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libselinux.so.1
Reading symbols from /home/q/ejabberd16.09.1903/lib/fast_tls-1.0.7/priv/lib/fast_tls_drv.so...done.
Loaded symbols for /home/q/ejabberd16.09.1903/lib/fast_tls-1.0.7/priv/lib/fast_tls_drv.so
Reading symbols from /home/q/ejabberd16.09.1903/lib/fast_xml-1.1.15/priv/lib/fxml.so...done.
Loaded symbols for /home/q/ejabberd16.09.1903/lib/fast_xml-1.1.15/priv/lib/fxml.so
Reading symbols from /lib64/libexpat.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libexpat.so.1
Reading symbols from /home/q/ejabberd16.09.1903/lib/fast_xml-1.1.15/priv/lib/fxml_stream.so...done.
Loaded symbols for /home/q/ejabberd16.09.1903/lib/fast_xml-1.1.15/priv/lib/fxml_stream.so
Reading symbols from /home/q/ejabberd16.09.1903/lib/stringprep-1.0.6/priv/lib/stringprep.so...done.
Loaded symbols for /home/q/ejabberd16.09.1903/lib/stringprep-1.0.6/priv/lib/stringprep.so
Reading symbols from /usr/lib64/libstdc++.so.6...(no debugging symbols found)...done.
Loaded symbols for /usr/lib64/libstdc++.so.6
Reading symbols from /lib64/libgcc_s.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib64/libgcc_s.so.1
Reading symbols from /home/q/ejabberd16.09.1903/lib/ezlib-1.0.1/priv/lib/ezlib_drv.so...done.
Loaded symbols for /home/q/ejabberd16.09.1903/lib/ezlib-1.0.1/priv/lib/ezlib_drv.so
Core was generated by `/home/q/erlang1903/lib/erlang/erts-8.3/bin/beam.smp -K true -P 1000000 -- -root'.
Program terminated with signal 11, Segmentation fault.
#0  0x0000003e4f2766cb in ?? () from /usr/lib64/libcrypto.so.10
Missing separate debuginfos, use: debuginfo-install expat-2.0.1-11.el6_2.x86_64 glibc-2.12-1.149.el6_6.5.x86_64 keyutils-libs-1.4-5.el6.x86_64 krb5-libs-1.10.3-33.el6.x86_64 libcom_err-1.41.12-21.el6.x86_64 libgcc-4.4.7-11.el6.x86_64 libselinux-2.0.94-5.8.el6.x86_64 libstdc++-4.4.7-11.el6.x86_64 ncurses-libs-5.7-3.20090208.el6.x86_64 openssl-1.0.1e-30.el6_6.5.x86_64 zlib-1.2.3-29.el6.x86_64
(gdb) source /home/q/lffan.liu/otp_src_19.3/erts/etc/unix/etp-commands.in
%---------------------------------------------------------------------------
% Use etp-help for a command overview and general help.
%
% To use the Erlang support module, the environment variable ROOTDIR
% must be set to the toplevel installation directory of Erlang/OTP,
% so the etp-commands file becomes:
%     $ROOTDIR/erts/etc/unix/etp-commands
% Also, erl and erlc must be in the path.
%---------------------------------------------------------------------------
etp-set-max-depth 20
etp-set-max-string-length 100
--------------- System Information ---------------
OTP release: 19
ERTS version: 8.3
Compile date: Sat Sep 30 10:12:09 2017
Arch: x86_64-unknown-linux-gnu
Endianness: Little
Word size: 64-bit
HiPE support: yes
SMP support: yes
Thread support: yes
Kernel poll: Supported and used
Debug compiled: no
Lock checking: no
Lock counting: no
Node name: '[hidden email].cn5'
Number of schedulers: 24
Number of async-threads: 10
--------------------------------------------------
(gdb) bt
#0  0x0000003e4f2766cb in ?? () from /usr/lib64/libcrypto.so.10
#1  0xca62c1d6ca62c1d6 in ?? ()
#2  0xca62c1d6ca62c1d6 in ?? ()
#3  0xca62c1d6ca62c1d6 in ?? ()
#4  0xca62c1d6ca62c1d6 in ?? ()
#5  0xca62c1d6ca62c1d6 in ?? ()
#6  0xca62c1d6ca62c1d6 in ?? ()
#7  0xca62c1d6ca62c1d6 in ?? ()
#8  0xca62c1d6ca62c1d6 in ?? ()
#9  0x0000003e4f5df7fc in ?? () from /usr/lib64/libcrypto.so.10
#10 0x00007f78ab21d848 in ?? ()
#11 0x0000000000000023 in ?? ()
#12 0x0000003e4f272d67 in SHA1_Update () from /usr/lib64/libcrypto.so.10
#13 0x0000003e4f2e6374 in ?? () from /usr/lib64/libcrypto.so.10
#14 0x0000003e4f2aac7a in ?? () from /usr/lib64/libcrypto.so.10
#15 0x0000003e4f2aab18 in ?? () from /usr/lib64/libcrypto.so.10
#16 0x00007f78f6fba8ec in rand_uniform_nif (env=0x7f793b5fdd80, argc=<value optimized out>, argv=0x7f796bf48200) at crypto.c:2120
#17 0x000000000043d907 in process_main () at beam/beam_emu.c:3575
#18 0x00000000004e0cf5 in sched_thread_func (vesdp=0x7f7962c60cc0) at beam/erl_process.c:8206
#19 0x000000000062ec02 in thr_wrapper (vtwd=<value optimized out>) at pthread/ethread.c:114
#20 0x0000003e4b6079d1 in start_thread () from /lib64/libpthread.so.0
#21 0x0000003e4b2e88fd in clone () from /lib64/libc.so.6
(gdb) f 16
#16 0x00007f78f6fba8ec in rand_uniform_nif (env=0x7f793b5fdd80, argc=<value optimized out>, argv=0x7f796bf48200) at crypto.c:2120
2120     BN_pseudo_rand_range(bn_rand, bn_to);   
(gdb) l
2115 return enif_make_badarg(env);
2116     }
2117
2118     bn_to = BN_new();
2119     BN_sub(bn_to, bn_rand, bn_from);
2120     BN_pseudo_rand_range(bn_rand, bn_to);      
2121     BN_add(bn_rand, bn_rand, bn_from);
2122     dlen = BN_num_bytes(bn_rand);
2123     data = enif_make_new_binary(env, dlen+4, &ret);
2124     put_int32(data, dlen);
(gdb) p *bn_from
$1 = {d = 0x7f78ab1c5698, top = 0, dmax = 1, neg = 0, flags = 1} 
(gdb) p *bn_rand
$2 = {d = 0x7f78ab21d748, top = 2, dmax = 2, neg = 0, flags = 1}
(gdb) p *bn_to
$3 = {d = 0x7f78ab21d7c8, top = 2, dmax = 2, neg = 0, flags = 1}
(gdb) p *((*bn_to).d)
$4 = 0
(gdb) p *((*bn_from).d)
$5 = 0
(gdb) p *((*bn_rand).d)
$6 = 0
(gdb) ptype bn_to
type = struct bignum_st {
    long unsigned int *d;
    int top;
    int dmax;
    int neg;
    int flags;
} *
(gdb) f 17
#17 0x000000000043d907 in process_main () at beam/beam_emu.c:3575
3575 nif_bif_result = (*fp)(&env, bif_nif_arity, reg);
(gdb) info local
fp = 0x7f78f6fba850 <rand_uniform_nif>
env = {mod_nif = 0x7f796a6c2390, proc = 0x7f79383bfc70, hp = 0x7f788b7ba9b0, hp_end = 0x7f788b7bae30, heap_frag = 0x0, fpe_was_unmasked = 0, tmp_obj_list = 0x0, 
  exception_thrown = 0, tracee = 0x0, exiting = 0}
vbf = 0x7f78f6fba850
live_hf_end = 0x0
nif_bif_result = <value optimized out>
bif_nif_arity = 2
init_done = 1
c_p = 0x7f79383bfc70
reds_used = <value optimized out>
reg = 0x7f796bf48200
HTOP = 0x0
E = 0x7f788b7bae30
I = <value optimized out>
FCALLS = 1798
freg = 0x7f796bf4a280
neg_o_reds = 0
opcodes = {0x43d6bb, 0x43c050, 0x43c164, 0x43d70d, 0x43d648, 0x440afa, 0x43d7c5, 0x440a7d, 0x440f57, 0x43d926, 0x43bf32, 0x43b959, 0x44069f, 0x440865, 0x4405ac, 0x4402e0, 0x4400c0, 
  0x43fed0, 0x43fe9d, 0x43fe71, 0x43ef91, 0x43bb80, 0x43d76b, 0x43d8a6, 0x4407a3, 0x43bdcf, 0x43c0cf, 0x43d987, 0x43f9ab, 0x43d635, 0x43a279, 0x439d0c, 0x43e69b, 0x43f87d, 0x43e710, 
  0x43e761, 0x43d60d, 0x43d5e4, 0x43d5b3, 0x43d583, 0x43d55b, 0x43d52a, 0x43d4eb, 0x43d4ad, 0x43d46f, 0x43d432, 0x43d3f4, 0x43d3b7, 0x43d37a, 0x43d33e, 0x43f32a, 0x43f136, 0x43f0df, 
  0x43efbc, 0x43f09f, 0x43f05f, 0x43ad6e, 0x440b71, 0x43fd7d, 0x440a12, 0x43f7f4, 0x43f66a, 0x43f33a, 0x43f44b, 0x43b642, 0x43bdef, 0x43b8b5, 0x4405fa, 0x43faee, 0x43fa74, 0x440eb2, 
  0x43eb60, 0x43ea58, 0x440d26, 0x43ff96, 0x43ff02, 0x43fdfa, 0x44001a, 0x43e637, 0x440e87, 0x440cff, 0x43ec7d, 0x43e79a, 0x440ce4, 0x440c5c, 0x440c8c, 0x43e89c, 0x440be7, 0x440c30, 
  0x44089a, 0x440c47, 0x440511, 0x440780, 0x440906, 0x440493, 0x44015c, 0x43fc1d, 0x440e60, 0x43e9e0, 0x43e967, 0x43e930, 0x43e901, 0x44019c, 0x44026d, 0x440104, 0x43ebcd, 0x440060, 
  0x44027e, 0x43ba40, 0x43baf3, 0x43b82e, 0x439d84, 0x439dfa, 0x439db5, 0x439e37, 0x44099e, 0x43e30b, 0x439d4b, 0x439d25, 0x43f230, 0x43abf3, 0x43ab98, 0x43acb0, 0x43b9e3, 0x43c157, 
  0x439d0c, 0x43f1dd, 0x43f28a, 0x43f18a, 0x43f2dd, 0x43e8e6, 0x43bd31, 0x43bc59, 0x43b6fd, 0x43f918, 0x440816, 0x4407c3, 0x43d2ca, 0x43d257, 0x43d1e4, 0x43d172, 0x43d113, 0x43d0b5, 
  0x43d057, 0x43dceb, 0x43ae81, 0x43dbf6, 0x43ee7c, 0x43dbc4, 0x43ee56, 0x43dcb0, 0x43dc6c, 0x43dc29, 0x43f6e4, 0x43a2a2, 0x43a56c, 0x43a55f, 0x43adf3, 0x43f58b, 0x43dba6, 0x43db83, 
  0x43db61, 0x43a35d, 0x43ad2d, 0x43db42, 0x43db24, 0x43ad22, 0x43acfd, 0x43afb8, 0x43afdd, 0x43b934, 0x43bf25, 0x439e7c, 0x43f498, 0x43edfa, 0x43a3c9, 0x43a383, 0x439d78, 0x439dee, 
  0x439dad, 0x439e2f, 0x439d43, 0x439d1d, 0x43eea3, 0x43edaf, 0x43ef46, 0x43e593, 0x43fbd0, 0x43e49e, 0x43e544, 0x43ec31, 0x43a548, 0x43a489, 0x43a57a, 0x43db02, 0x43da76, 0x43d946, 
  0x439e61, 0x43f3c7, 0x43f381...}
pt_arity = <value optimized out>
start_time = 0
start_time_i = 0x0
EBS = 0x7f7962c60cf0
[/home/q/ejabberd16.09.1903]#   ls -l /usr/lib64/libcrypto.so.10
lrwxrwxrwx. 1 root root 19 May  8  2015 /usr/lib64/libcrypto.so.10 -> libcrypto.so.1.0.1e
[/home/q/ejabberd16.09.1903]#   ls -l /usr/lib64/libcrypto.so.1.0.1e 
-rwxr-xr-x 1 root root 1965856 Jan 21  2015 /usr/lib64/libcrypto.so.1.0.1e


========
crypto.c

2105 static ERL_NIF_TERM rand_uniform_nif(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
2106 {/* (Lo,Hi) */
2107     BIGNUM *bn_from = NULL, *bn_to, *bn_rand;
2108     unsigned char* data;
2109     unsigned dlen;
2110     ERL_NIF_TERM ret;
2111 
2112     if (!get_bn_from_mpint(env, argv[0], &bn_from)
2113         || !get_bn_from_mpint(env, argv[1], &bn_rand)) {
2114         if (bn_from) BN_free(bn_from);
2115         return enif_make_badarg(env);
2116     }
2117 
2118     bn_to = BN_new();
2119     BN_sub(bn_to, bn_rand, bn_from);
2120     BN_pseudo_rand_range(bn_rand, bn_to);
2121     BN_add(bn_rand, bn_rand, bn_from);
2122     dlen = BN_num_bytes(bn_rand);
2123     data = enif_make_new_binary(env, dlen+4, &ret);
2124     put_int32(data, dlen);
2125     BN_bn2bin(bn_rand, data+4);
2126     ERL_VALGRIND_MAKE_MEM_DEFINED(data+4, dlen);
2127     BN_free(bn_rand);
2128     BN_free(bn_from);
2129     BN_free(bn_to);
2130     return ret;
2131 }
=======


Thank you for your time.
Monk Boy

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