[BlueZ,v2,1/1] mgmt: Fix crash after pair command

Commit Message

Vinit Mehta Dec. 19, 2023, 6:28 a.m. UTC

After pair command, if the user doesn't provide any input on bluetoothctl
CLI interface after receiving the prompt(yes/no) below crash is observed:

dbus[782]: arguments to dbus_message_get_no_reply() were incorrect,
assertion "message != NULL" failed in file
/usr/src/debug/dbus/1.14.10-r0/dbus/dbus-message.c line 3250.
This is normally a bug in some application using the D-Bus library.
/usr/lib/libc.so.6(+0x27534) [0xffffa1b67534]
/usr/lib/libc.so.6(__libc_start_main+0x9c) [0xffffa1b6760c]
bluetoothctl(+0x188f0) [0xaaaac9c088f0]
Aborted (core dumped)
---
 client/agent.c | 15 +++++++++------
 client/mgmt.c  | 12 +++++++++---
 2 files changed, 18 insertions(+), 9 deletions(-)

Comments

[e-mail] Dec. 19, 2023, 7:33 a.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=811296

---Test result---

Test Summary:
CheckPatch                    PASS      0.30 seconds
GitLint                       PASS      0.21 seconds
BuildEll                      PASS      24.02 seconds
BluezMake                     PASS      751.07 seconds
MakeCheck                     PASS      11.61 seconds
MakeDistcheck                 PASS      162.18 seconds
CheckValgrind                 PASS      225.46 seconds
CheckSmatch                   PASS      326.35 seconds
bluezmakeextell               PASS      106.28 seconds
IncrementalBuild              PASS      699.09 seconds
ScanBuild                     PASS      941.41 seconds



---
Regards,
Linux Bluetooth

Patch

diff --git a/client/agent.c b/client/agent.c
index 35b404114..ff5e57ff2 100644
--- a/client/agent.c
+++ b/client/agent.c
@@ -77,14 +77,17 @@  static void confirm_response(const char *input, void *user_data)
 {
 	DBusConnection *conn = user_data;
 
-	if (!strcmp(input, "yes"))
-		g_dbus_send_reply(conn, pending_message, DBUS_TYPE_INVALID);
-	else if (!strcmp(input, "no"))
-		g_dbus_send_error(conn, pending_message,
+	if (pending_message != NULL) {
+		if (!strcmp(input, "yes"))
+			g_dbus_send_reply(conn, pending_message,
+					DBUS_TYPE_INVALID);
+		else if (!strcmp(input, "no"))
+			g_dbus_send_error(conn, pending_message,
 					"org.bluez.Error.Rejected", NULL);
-	else
-		g_dbus_send_error(conn, pending_message,
+		else
+			g_dbus_send_error(conn, pending_message,
 					"org.bluez.Error.Canceled", NULL);
+	}
 }
 
 static void agent_release(DBusConnection *conn)
diff --git a/client/mgmt.c b/client/mgmt.c
index c056d018a..2cc40a7e3 100644
--- a/client/mgmt.c
+++ b/client/mgmt.c
@@ -849,10 +849,16 @@  static void prompt_input(const char *input, void *user_data)
 								&prompt.addr);
 		break;
 	case MGMT_EV_USER_CONFIRM_REQUEST:
-		if (input[0] == 'y' || input[0] == 'Y')
-			mgmt_confirm_reply(prompt.index, &prompt.addr);
-		else
+		if (len) {
+			if (input[0] == 'y' || input[0] == 'Y')
+				mgmt_confirm_reply(prompt.index, &prompt.addr);
+			else
+				mgmt_confirm_neg_reply(prompt.index,
+						&prompt.addr);
+		} else {
 			mgmt_confirm_neg_reply(prompt.index, &prompt.addr);
+			bt_shell_set_prompt(PROMPT_ON);
+		}
 		break;
 	}
 }