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(unknown [100.64.1.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: fdanis) by bali.collaboradmins.com (Postfix) with ESMTPSA id 09B3717E0F33 for ; Mon, 13 Apr 2026 09:12:54 +0200 (CEST) From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Danis?= To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ] audio/player: Ensure metadata string is valid UTF-8 Date: Mon, 13 Apr 2026 09:12:46 +0200 Message-ID: <20260413071246.19221-1-frederic.danis@collabora.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit bluetoothd crashes on reception of GetItemAttributes reply if it contains an invalid UTF-8 string: > BR-ACL: Handle 11 [B8:3C:28:E8:07:69 (Apple, Inc.)] flags 0x02 dlen 680 Channel: 71 len 676 ctrl 0x0304 [PSM 27 mode Enhanced Retransmission (0x03)] {chan 7} I-frame: Unsegmented TxSeq 2 ReqSeq 3 AVCTP Browsing: Response: type 0x00 label 2 PID 0x110e AVRCP: GetItemAttributes: len 0x029a Status: 0x04 (Success) AttributeCount: 0x01 (1) AttributeID: 0x00000001 (Title) CharsetID: 0x006a (UTF-8) AttributeLength: 0x0290 (656) AttributeValue: ................................................ .......................................................................... .........................................................................2 009....................................................................... .......................................................................... .......................................................................... .......................................................................... .......................................................................... .......................................................................... ................ = bluetoothd: profiles/audio/player.c:media_player_set_playlist_item() 0 = bluetoothd: profiles/audio/player.c:media_player_set_metadata() Title: 奥巴马表示：美国之所以没有搞定中国，不是因为中国的军事实力以及经济强大 ，而是因为中国从始至终都没有掉进我们安排的“陷阱”。时间倒回2009年，北京 钓鱼台国宾馆。奥巴马的随行团队一进门，连句客套话都没顾得上说，反手就把 随身带的电子设备挨个拔了电源、卸了电池。这阵仗看着像是在防监听，实则是 心虚。那群在长桌对面坐下的人，心里正翻腾着一种从未有过的无力感。因为眼 前的谈判对象，压根没打算照着他们兜里的剧本念台词。多年以后，退下来的奥 巴马在回忆录《应� arguments to dbus_message_iter_append_basic() were incorrect, assertion "_dbus_check_is_valid_utf8 (*string_p)" failed in file dbus-message.c line 2775. This is normally a bug in some application using the D-Bus library. --- profiles/audio/player.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/profiles/audio/player.c b/profiles/audio/player.c index 86e59bc8e..3af9a1824 100644 --- a/profiles/audio/player.c +++ b/profiles/audio/player.c @@ -30,6 +30,7 @@ #include "src/log.h" #include "src/dbus-common.h" #include "src/error.h" +#include "src/shared/util.h" #include "player.h" @@ -1442,6 +1443,8 @@ void media_player_set_metadata(struct media_player *mp, GHashTable *metadata = item ? item->metadata : mp->track; value = g_strndup(data, len); + /* Ensure this is a valid UTF-8 string */ + strtoutf8(value, len); DBG("%s: %s", key, value); -- 2.43.0