diff mbox series

[BlueZ,v4] a2dp: Fix crash when SEP codec has not been initialized

Message ID 20220329213247.2334757-1-luiz.dentz@gmail.com
State New
Headers show
Series [BlueZ,v4] a2dp: Fix crash when SEP codec has not been initialized | expand

Commit Message

Luiz Augusto von Dentz March 29, 2022, 9:32 p.m. UTC 
From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

If SEP has not been properly discovered avdtp_get_codec may return NULL
thus causing crashes such as when running AVRCP/TG/VLH/BI-01-C after
AVRCP/TG/RCR/BV-04-C
---
v4: remove queue_isempty check from store_remote_seps since that prevents
cleaning up if no seps could be registered.

 profiles/audio/a2dp.c | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

Comments

bluez.test.bot@gmail.com March 29, 2022, 10:52 p.m. UTC | #1 
This is automated email and please do not reply to this email!

Dear submitter,

Thank you for submitting the patches to the linux bluetooth mailing list.
This is a CI test results with your patch series:
PW Link:https://patchwork.kernel.org/project/bluetooth/list/?series=627319

---Test result---

Test Summary:
CheckPatch                    PASS      0.66 seconds
GitLint                       PASS      0.44 seconds
Prep - Setup ELL              PASS      45.94 seconds
Build - Prep                  PASS      0.61 seconds
Build - Configure             PASS      8.87 seconds
Build - Make                  PASS      1623.11 seconds
Make Check                    PASS      12.49 seconds
Make Check w/Valgrind         PASS      499.49 seconds
Make Distcheck                PASS      256.95 seconds
Build w/ext ELL - Configure   PASS      9.23 seconds
Build w/ext ELL - Make        PASS      1636.91 seconds
Incremental Build with patchesPASS      0.00 seconds



---
Regards,
Linux Bluetooth
diff mbox series

Patch

diff --git a/profiles/audio/a2dp.c b/profiles/audio/a2dp.c
index c3ac432a7..5c20e5807 100644
--- a/profiles/audio/a2dp.c
+++ b/profiles/audio/a2dp.c
@@ -829,9 +829,6 @@  static void store_remote_seps(struct a2dp_channel *chan)
 	char *data;
 	gsize length = 0;
 
-	if (queue_isempty(chan->seps))
-		return;
-
 	ba2str(device_get_address(device), dst_addr);
 
 	snprintf(filename, PATH_MAX, STORAGEDIR "/%s/cache/%s",
@@ -2074,6 +2071,11 @@  static struct a2dp_remote_sep *register_remote_sep(void *data, void *user_data)
 	if (sep)
 		return sep;
 
+	if (avdtp_get_codec(rsep)) {
+		error("Unable to get remote sep codec");
+		return NULL;
+	}
+
 	sep = new0(struct a2dp_remote_sep, 1);
 	sep->chan = chan;
 	sep->sep = rsep;
@@ -2148,6 +2150,7 @@  static void load_remote_sep(struct a2dp_channel *chan, GKeyFile *key_file,
 	struct avdtp_remote_sep *rsep;
 	uint8_t lseid, rseid;
 	char *value;
+	bool update = false;
 
 	if (!seids)
 		return;
@@ -2206,10 +2209,19 @@  static void load_remote_sep(struct a2dp_channel *chan, GKeyFile *key_file,
 		}
 
 		sep = register_remote_sep(rsep, chan);
-		if (sep)
-			sep->from_cache = true;
+		if (!sep) {
+			avdtp_unregister_remote_sep(chan->session, rsep);
+			update = true;
+			continue;
+		}
+
+		sep->from_cache = true;
 	}
 
+	/* Update cache */
+	if (update)
+		store_remote_seps(chan);
+
 	value = g_key_file_get_string(key_file, "Endpoints", "LastUsed", NULL);
 	if (!value)
 		return;