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| author | Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> | 2022-08-17 13:14:36 +0200 |
|---|---|---|
| committer | Luiz Augusto von Dentz <luiz.von.dentz@intel.com> | 2022-08-26 01:26:17 +0200 |
| commit | 3cfbc6ac22d62d0a06be9ce2996ba9fed75436cd (patch) | |
| tree | 97aa82b2dcc978a1149408d16cc5ef95c9077429 /net | |
| parent | Bluetooth: MGMT: Fix Get Device Flags (diff) | |
| download | linux-3cfbc6ac22d62d0a06be9ce2996ba9fed75436cd.tar.xz linux-3cfbc6ac22d62d0a06be9ce2996ba9fed75436cd.zip | |
Bluetooth: hci_sync: fix double mgmt_pending_free() in remove_adv_monitor()
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>
Diffstat (limited to 'net')
| -rw-r--r-- | net/bluetooth/mgmt.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 566b6291b38e..72e6595a71cc 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -5067,7 +5067,6 @@ static int remove_adv_monitor(struct sock *sk, struct hci_dev *hdev, else status = MGMT_STATUS_FAILED; - mgmt_pending_remove(cmd); goto unlock; } |