Pre-Submission Checklist

• Commit message has the format required by CONTRIBUTING guide
• Commits are split per component (core, individual modules, libs, utils, ...)
• [ x Each component has a single commit (if not, squash them into one commit)
• [ x No commits to README files for modules (changes must be done to docbook files
  in doc/ subfolder, the README file is autogenerated)

Type Of Change

• Small bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds new functionality)
• Breaking change (fix or feature that would change existing functionality)

Checklist:

• PR should be backported to stable branches
• Tested changes locally
• Related to issue #XXXX (replace XXXX with an open issue number)

Description

segfault

#0  0x0000ffffb9934840 in cfg_update_local (no_cbs=0) at ../../core/cfg/cfg_struct.h:366
366			cfg_child_cb = cfg_child_cb->next;
(gdb) print cfg_child_cb
$1 = (cfg_child_cb_t *) 0x0

example lua:

function ksr_route_nats()
	KSR.tm.t_newtran()
	local tindex = KSR.pv.gete("$T(id_index)")
	local tlabel = KSR.pv.gete("$T(id_label)")
	KSR.tmx.t_suspend()

	local req = {
		jsonrpc = "2.0", method = "route",
		id = tindex .. ':' .. tlabel,
		params = {
			from = KSR.pv.gete("$fu"),
			to = KSR.pv.gete("$tu"),
		}
	}
	local rpc = cjson.encode(req)
	KSR.info("rpc: " .. rpc .. "\n")
	KSR.nats.publish("cn.xswitch.ctrl.route", rpc)
	KSR.x.exit();
end

function handle_nats_response(data)
	msg = cjson.decode(data)
	if (not msg) or (not msg.id) then return end
	KSR.info("========= msg.id: " .. msg.id .. "\n")

	if not msg.result then
		KSR.error("response has no result\n")
		return
	end

	tindex, tlabel = msg.id:match("(.+):(.+)")
	if tindex and tlabel then
		KSR.pv.sets('$var(nats_response)', data)
		KSR.tmx.t_continue(tindex, tlabel, 'ksr_nats_continue')
	end
end

I'm not sure if it's the proper fix, but this pr fixed the seg. Thanks.

You can view, comment on, or merge this pull request online at:

  https://github.com/kamailio/kamailio/pull/3396

Commit Summary

• 1f73010 core: fix a seg while t_continue with nats module

File Changes

(1 file)

• M src/core/cfg/cfg_struct.h (2)

Patch Links:

• https://github.com/kamailio/kamailio/pull/3396.patch
• https://github.com/kamailio/kamailio/pull/3396.diff

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