[PATCH v2] Bluetooth: ISO: Fix handling of listen for unicast

[PATCH v2] Bluetooth: ISO: Fix handling of listen for unicast

[Luiz Augusto von Dentz]

From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

iso_listen_cis shall only return -EADDRINUSE if the listening socket has
the destination set to BDADDR_ANY otherwise if the destination is set to
a specific address it is for broadcast which shall be ignored.

Fixes: f764a6c2c1e4 ("Bluetooth: ISO: Add broadcast support")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
---
 net/bluetooth/iso.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c
index 16da946f5881..71248163ce9a 100644
--- a/net/bluetooth/iso.c
+++ b/net/bluetooth/iso.c
@@ -502,7 +502,7 @@ static void iso_recv_frame(struct iso_conn *conn, struct sk_buff *skb)
 }
 
 /* -------- Socket interface ---------- */
-static struct sock *__iso_get_sock_listen_by_addr(bdaddr_t *ba)
+static struct sock *__iso_get_sock_listen_by_addr(bdaddr_t *src, bdaddr_t *dst)
 {
 	struct sock *sk;
 
@@ -510,7 +510,10 @@ static struct sock *__iso_get_sock_listen_by_addr(bdaddr_t *ba)
 		if (sk->sk_state != BT_LISTEN)
 			continue;
 
-		if (!bacmp(&iso_pi(sk)->src, ba))
+		if (bacmp(&iso_pi(sk)->dst, dst))
+			continue;
+
+		if (!bacmp(&iso_pi(sk)->src, src))
 			return sk;
 	}
 
@@ -952,7 +955,7 @@ static int iso_listen_cis(struct sock *sk)
 
 	write_lock(&iso_sk_list.lock);
 
-	if (__iso_get_sock_listen_by_addr(&iso_pi(sk)->src))
+	if (__iso_get_sock_listen_by_addr(&iso_pi(sk)->src, &iso_pi(sk)->dst))
 		err = -EADDRINUSE;
 
 	write_unlock(&iso_sk_list.lock);
-- 
2.41.0

RE: [v2] Bluetooth: ISO: Fix handling of listen for unicast

[bluez.test.bot]

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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=780043

---Test result---

Test Summary:
CheckPatch                    PASS      0.80 seconds
GitLint                       PASS      0.38 seconds
SubjectPrefix                 PASS      0.14 seconds
BuildKernel                   PASS      40.26 seconds
CheckAllWarning               PASS      43.02 seconds
CheckSparse                   PASS      49.13 seconds
CheckSmatch                   PASS      132.29 seconds
BuildKernel32                 PASS      38.42 seconds
TestRunnerSetup               PASS      578.01 seconds
TestRunner_l2cap-tester       PASS      32.91 seconds
TestRunner_iso-tester         PASS      71.51 seconds
TestRunner_bnep-tester        PASS      12.99 seconds
TestRunner_mgmt-tester        PASS      256.16 seconds
TestRunner_rfcomm-tester      PASS      19.73 seconds
TestRunner_sco-tester         PASS      23.00 seconds
TestRunner_ioctl-tester       PASS      22.33 seconds
TestRunner_mesh-tester        PASS      16.91 seconds
TestRunner_smp-tester         PASS      17.63 seconds
TestRunner_userchan-tester    PASS      14.12 seconds
IncrementalBuild              PASS      36.69 seconds



---
Regards,
Linux Bluetooth

Re: [PATCH v2] Bluetooth: ISO: Fix handling of listen for unicast

[patchwork-bot+bluetooth]

Hello:

This patch was applied to bluetooth/bluetooth-next.git (master)
by Luiz Augusto von Dentz <luiz.von.dentz@intel.com>:

On Mon, 28 Aug 2023 13:05:45 -0700 you wrote:
> From: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
> 
> iso_listen_cis shall only return -EADDRINUSE if the listening socket has
> the destination set to BDADDR_ANY otherwise if the destination is set to
> a specific address it is for broadcast which shall be ignored.
> 
> Fixes: f764a6c2c1e4 ("Bluetooth: ISO: Add broadcast support")
> Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
> 
> [...]

Here is the summary with links:
  - [v2] Bluetooth: ISO: Fix handling of listen for unicast
    https://git.kernel.org/bluetooth/bluetooth-next/c/2595dd981e74

You are awesome, thank you!
-- 
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