mirror of git://git.sysmocom.de/ofono
gdbus: Fix crash in g_dbus_create_error_valist
Passing NULL format parameter to vsnprintf results in invalid argument error on glibc. But with some other libc libraries (musl and uClibc) this results in dereferencing NULL pointer and crash due to segmentation fault.
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@ -1412,7 +1412,10 @@ DBusMessage *g_dbus_create_error_valist(DBusMessage *message, const char *name,
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{
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char str[1024];
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vsnprintf(str, sizeof(str), format, args);
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if (format)
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vsnprintf(str, sizeof(str), format, args);
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else
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str[0] = '\0';
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return dbus_message_new_error(message, name, str);
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}
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