Segfault while using "/ox discover"

[mdosch]

When doing "/ox discover certain_jid" profanity segfaults. Maybe the pubsub node for this certain jid is misconfigured. I will tell you the jid in private.

Program received signal SIGSEGV, Segmentation fault.
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:74
74	../sysdeps/x86_64/multiarch/strlen-avx2.S: Datei oder Verzeichnis nicht gefunden.
(gdb) bt full
#0  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:74
No locals.
#1  0x00005555555b1955 in _ox_metadata_result (stanza=0x55555ce959a0, userdata=0x0) at src/xmpp/ox.c:328
        fingerprint = 0x0
        pubsub = 0x55555c820d90
        items = 0x55555c48f9c0
        item = 0x55555c493d30
        publickeyslist = 0x55555cb62730
        pubkeymetadata = 0x55555ce954e0
#2  0x000055555559821e in _iq_handler (conn=0x555555b08380, stanza=0x55555ce959a0, userdata=0x555555b07540) at src/xmpp/iq.c:231
        keep = 21845
        handler = 0x55555ce921e0
        text = 0x555555af7650 "gG`\003PU"
        text_size = 469
        cont = 1
        type = 0x55555ce92170 "result"
        discoinfo = 0x0
        discoitems = 0x0
        lastactivity = 0x0
        version = 0x0
        ping = 0x0
        roster = 0x0
        blocking = 0x0
        id = 0x55555be09080 "8E5tofCn6OygNw5013b0c11be7398f3150c924067f0060d001a88f7"
#3  0x00007ffff7700379 in ?? () from target:/lib/x86_64-linux-gnu/libstrophe.so.0
No symbol table info available.
#4  0x00007ffff76fdb7c in ?? () from target:/lib/x86_64-linux-gnu/libstrophe.so.0
No symbol table info available.
#5  0x00007ffff770bdbf in ?? () from target:/lib/x86_64-linux-gnu/libstrophe.so.0
No symbol table info available.
#6  0x00007ffff680d9e4 in doContent (parser=parser@entry=0x555555713c00, startTagLevel=startTagLevel@entry=0, enc=<optimized out>, s=<optimized out>, end=<optimized out>, nextPtr=0x555555713c30, haveMore=1 '\001', 
    account=XML_ACCOUNT_DIRECT) at ../../src/lib/xmlparse.c:3047
        localPart = <optimized out>
        prefix = <optimized out>
        uri = <optimized out>
        len = <optimized out>
        rawName = 0x5555563a9839 "iq><r xmlns='urn:xmpp:sm:3'/>='text-single' var='muc#roominfo_lang'><value>en</value></field><field type='text-single' var='muc#roominfo_description' label='Description'><value>Discussion venue for th"...
        tag = 0x55555623a620
        next = 0x5555563a983c "<r xmlns='urn:xmpp:sm:3'/>='text-single' var='muc#roominfo_lang'><value>en</value></field><field type='text-single' var='muc#roominfo_description' label='Description'><value>Discussion venue for the S"...
        tok = <optimized out>
        accountAfter = <optimized out>
        dtd = 0x555555b0ae10
        eventPP = <optimized out>
        eventEndPP = 0x555555713e28
#7  0x00007ffff680e7aa in contentProcessor (parser=0x555555713c00, start=<optimized out>, end=<optimized out>, endPtr=<optimized out>) at ../../src/lib/xmlparse.c:2612
        result = <optimized out>
#8  0x00007ffff6808cc1 in XML_ParseBuffer (parser=0x555555713c00, len=499, isFinal=0) at ../../src/lib/xmlparse.c:2009
        start = <optimized out>
        result = XML_STATUS_OK
#9  0x00007ffff76ffcd4 in xmpp_run_once () from target:/lib/x86_64-linux-gnu/libstrophe.so.0
No symbol table info available.
#10 0x0000555555595e78 in connection_check_events () at src/xmpp/connection.c:148
No locals.
#11 0x0000555555595021 in session_process_events () at src/xmpp/session.c:264
        reconnect_sec = -1106108698
        conn_status = JABBER_CONNECTED
#12 0x000055555558e4de in prof_run (log_level=0x55555565d2ef "WARN", account_name=0x0, config_file=0x0, log_file=0x0, theme_name=0x0) at src/profanity.c:131
        cont = 1
        line = 0x0
#13 0x000055555562dc31 in main (argc=1, argv=0x7fffffffe178) at src/main.c:180
        entries = {{long_name = 0x55555565d2f4 "version", short_name = 118 'v', flags = 0, arg = G_OPTION_ARG_NONE, 
            arg_data = 0x5555556e8300 <version>, description = 0x55555565d2fc "Show version information", 
            arg_description = 0x0}, {long_name = 0x55555565d315 "account", short_name = 97 'a', flags = 0, 
            arg = G_OPTION_ARG_STRING, arg_data = 0x5555556e8318 <account_name>, 
            description = 0x55555565d320 "Auto connect to an account on startup", arg_description = 0x0}, {
            long_name = 0x55555565d346 "log", short_name = 108 'l', flags = 0, arg = G_OPTION_ARG_STRING, 
            arg_data = 0x5555556e8308 <log>, 
            description = 0x55555565d350 "Set logging levels, DEBUG, INFO, WARN (default), ERROR", 
            arg_description = 0x55555565d387 "LEVEL"}, {long_name = 0x55555565d38d "config", short_name = 99 'c', 
            flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x5555556e8320 <config_file>, 
            description = 0x55555565d398 "Use an alternative configuration file", arg_description = 0x0}, {
            long_name = 0x55555565d3be "logfile", short_name = 102 'f', flags = 0, arg = G_OPTION_ARG_STRING, 
            arg_data = 0x5555556e8310 <log_file>, description = 0x55555565d3c6 "Specify log file", 
            arg_description = 0x0}, {long_name = 0x55555565d3d7 "theme", short_name = 116 't', flags = 0, 
            arg = G_OPTION_ARG_STRING, arg_data = 0x5555556e8328 <theme_name>, 
            description = 0x55555565d3dd "Specify theme name", arg_description = 0x0}, {long_name = 0x0, 
            short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, 
            arg_description = 0x0}}
        error = 0x0
        context = 0x5555557109d0

Expected Behavior

Do not segfault.

Current Behavior

Segfault,

Possible Solution

Steps to Reproduce (for bugs)

1. /ox discover user@example.org

Environment

Debian Unstable

profanity -v
Profanity, version 0.12.1dev.master.b4523d6c
Copyright (C) 2012 - 2019 James Booth <boothj5web@gmail.com>.
Copyright (C) 2019 - 2022 Michael Vetter <jubalh@iodoru.org>.
License GPLv3+: GNU GPL version 3 or later <https://www.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.

Build information:
XMPP library: libstrophe
Desktop notification support: Enabled
OTR support: Enabled (libotr 4.1.1)
PGP support: Enabled (libgpgme 1.16.0-unknown)
OMEMO support: Enabled
C plugins: Enabled
Python plugins: Disabled
GTK icons/clipboard: Disabled