[Asterisk-code-review] config.c: Prevent UB in ast_realtime_require_field. (asterisk[18])

[Sean Bright]

Sean Bright has uploaded a new patch set (#2). ( https://gerrit.asterisk.org/c/asterisk/+/17604 )

Change subject: config.c: Prevent UB in ast_realtime_require_field.
......................................................................

config.c: Prevent UB in ast_realtime_require_field.

A backend's implementation of the realtime 'require' function may call
va_arg() and then fail, leaving the va_list in an undefined
state. Pass a copy of the va_list instead.

ASTERISK-29771 #close

Change-Id: I555565a72af84e96d49f62fe8cb66ba5a78461f4
---
M main/config.c
1 file changed, 5 insertions(+), 2 deletions(-)


  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/04/17604/2
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Gerrit-Project: asterisk
Gerrit-Branch: 18
Gerrit-Change-Id: I555565a72af84e96d49f62fe8cb66ba5a78461f4
Gerrit-Change-Number: 17604
Gerrit-PatchSet: 2
Gerrit-Owner: Sean Bright <sean at seanbright.com>
Gerrit-CC: Friendly Automation
Gerrit-MessageType: newpatchset
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