From: ihy123 <aladinandreyy@gmail.com>
Date: Sun, 17 Aug 2025 11:28:46 +0000 (+0300)
Subject: Validate sample format in ip_open()
X-Git-Tag: archive/raspbian/2.12.0-2+rpi1^2~9
X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=336c793770b4601e10c9f310c2303f34ac8b2533;p=cmus.git

Validate sample format in ip_open()

To prevent segfault in ip_setup() because channels=0, validate ip_data->sf
after opening ip.

Gbp-Pq: Name 0007-Validate-sample-format-in-ip_open.patch
---

diff --git a/input.c b/input.c
index c20cb3f..f5c5b3c 100644
--- a/input.c
+++ b/input.c
@@ -605,6 +605,16 @@ int ip_open(struct input_plugin *ip)
 		ip_reset(ip, 1);
 		return rc;
 	}
+
+	unsigned bits = sf_get_bits(ip->data.sf);
+	unsigned channels = sf_get_channels(ip->data.sf);
+	unsigned rate = sf_get_rate(ip->data.sf);
+	if (!bits || !channels || !rate) {
+		d_print("corrupt file: bits = %u, channels = %u, rate = %u\n",
+				bits, channels, rate);
+		return -IP_ERROR_FILE_FORMAT;
+	}
+
 	ip->open = 1;
 	return 0;
 }