Merge branch 'giochannel-check' into 'master'
giochannel: Fix length_size bounds check
Closes #2323
See merge request GNOME/glib!1931
diff --git a/glib/giochannel.c b/glib/giochannel.c
index 4c5e081..e93c4b4 100644
--- a/glib/giochannel.c
+++ b/glib/giochannel.c
@@ -899,13 +899,13 @@
{
/* FIXME: We’re constrained by line_term_len being a guint here */
gsize length_size = strlen (line_term);
- g_return_if_fail (length_size > G_MAXUINT);
+ g_return_if_fail (length_size <= G_MAXUINT);
length_unsigned = (guint) length_size;
}
g_free (channel->line_term);
channel->line_term = line_term ? g_memdup2 (line_term, length_unsigned) : NULL;
- channel->line_term_len = length;
+ channel->line_term_len = length_unsigned;
}
/**
diff --git a/glib/tests/io-channel.c b/glib/tests/io-channel.c
index ff53fce..4a1b108 100644
--- a/glib/tests/io-channel.c
+++ b/glib/tests/io-channel.c
@@ -49,8 +49,10 @@
channel = g_io_channel_new_file (filename, "r", &local_error);
g_assert_no_error (local_error);
- /* Only break on newline characters, not nuls. */
- g_io_channel_set_line_term (channel, "\n", 1);
+ /* Only break on newline characters, not nuls.
+ * Use length -1 here to exercise glib#2323; the case where length > 0
+ * is covered in glib/tests/protocol.c. */
+ g_io_channel_set_line_term (channel, "\n", -1);
g_io_channel_set_encoding (channel, NULL, &local_error);
g_assert_no_error (local_error);