From: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Date: Wed, 17 Aug 2022 20:14:36 +0900
Subject: Bluetooth: hci_sync: fix double mgmt_pending_free() in
remove_adv_monitor()
Patch-mainline: v6.0-rc4
Git-commit: 3cfbc6ac22d62d0a06be9ce2996ba9fed75436cd
References: jsc#PED-1407
syzbot is reporting double kfree() at remove_adv_monitor() [1], for
commit 7cf5c2978f23fdbb ("Bluetooth: hci_sync: Refactor remove Adv
Monitor") forgot to remove duplicated mgmt_pending_remove() when
merging "if (err) {" path and "if (!pending) {" path.
Link: https://syzkaller.appspot.com/bug?extid=915a8416bf15895b8e07 [1]
Reported-by: syzbot <syzbot+915a8416bf15895b8e07@syzkaller.appspotmail.com>
Fixes: 7cf5c2978f23fdbb ("Bluetooth: hci_sync: Refactor remove Adv Monitor")
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
net/bluetooth/mgmt.c | 1 -
1 file changed, 1 deletion(-)
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -5067,7 +5067,6 @@ static int remove_adv_monitor(struct soc
else
status = MGMT_STATUS_FAILED;
- mgmt_pending_remove(cmd);
goto unlock;
}