6.1-stable review patch. If anyone has any objections, please let me know.
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From: Luiz Augusto von Dentz luiz.von.dentz@intel.com
commit 532f8bcd1c2c4e8112f62e1922fd1703bc0ffce0 upstream.
This reverts commit 59b047bc98084f8af2c41483e4d68a5adf2fa7f7 which breaks compatibility with commands like:
bluetoothd[46328]: @ MGMT Command: Load.. (0x0013) plen 74 {0x0001} [hci0] Keys: 2 BR/EDR Address: C0:DC:DA:A5:E5:47 (Samsung Electronics Co.,Ltd) Key type: Authenticated key from P-256 (0x03) Central: 0x00 Encryption size: 16 Diversifier[2]: 0000 Randomizer[8]: 0000000000000000 Key[16]: 6ed96089bd9765be2f2c971b0b95f624 LE Address: D7:2A:DE:1E:73:A2 (Static) Key type: Unauthenticated key from P-256 (0x02) Central: 0x00 Encryption size: 16 Diversifier[2]: 0000 Randomizer[8]: 0000000000000000 Key[16]: 87dd2546ededda380ffcdc0a8faa4597 @ MGMT Event: Command Status (0x0002) plen 3 {0x0001} [hci0] Load Long Term Keys (0x0013) Status: Invalid Parameters (0x0d)
Cc: stable@vger.kernel.org Link: https://github.com/bluez/bluez/issues/875 Fixes: 59b047bc9808 ("Bluetooth: MGMT/SMP: Fix address type when using SMP over BREDR/LE") Signed-off-by: Luiz Augusto von Dentz luiz.von.dentz@intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- include/net/bluetooth/hci_core.h | 5 ----- net/bluetooth/mgmt.c | 25 +++++++------------------ net/bluetooth/smp.c | 7 ------- 3 files changed, 7 insertions(+), 30 deletions(-)
--- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -187,7 +187,6 @@ struct blocked_key { struct smp_csrk { bdaddr_t bdaddr; u8 bdaddr_type; - u8 link_type; u8 type; u8 val[16]; }; @@ -197,7 +196,6 @@ struct smp_ltk { struct rcu_head rcu; bdaddr_t bdaddr; u8 bdaddr_type; - u8 link_type; u8 authenticated; u8 type; u8 enc_size; @@ -212,7 +210,6 @@ struct smp_irk { bdaddr_t rpa; bdaddr_t bdaddr; u8 addr_type; - u8 link_type; u8 val[16]; };
@@ -220,8 +217,6 @@ struct link_key { struct list_head list; struct rcu_head rcu; bdaddr_t bdaddr; - u8 bdaddr_type; - u8 link_type; u8 type; u8 val[HCI_LINK_KEY_SIZE]; u8 pin_len; --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2903,8 +2903,7 @@ static int load_link_keys(struct sock *s for (i = 0; i < key_count; i++) { struct mgmt_link_key_info *key = &cp->keys[i];
- /* Considering SMP over BREDR/LE, there is no need to check addr_type */ - if (key->type > 0x08) + if (key->addr.type != BDADDR_BREDR || key->type > 0x08) return mgmt_cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, MGMT_STATUS_INVALID_PARAMS); @@ -7141,7 +7140,6 @@ static int load_irks(struct sock *sk, st
for (i = 0; i < irk_count; i++) { struct mgmt_irk_info *irk = &cp->irks[i]; - u8 addr_type = le_addr_type(irk->addr.type);
if (hci_is_blocked_key(hdev, HCI_BLOCKED_KEY_TYPE_IRK, @@ -7151,12 +7149,8 @@ static int load_irks(struct sock *sk, st continue; }
- /* When using SMP over BR/EDR, the addr type should be set to BREDR */ - if (irk->addr.type == BDADDR_BREDR) - addr_type = BDADDR_BREDR; - hci_add_irk(hdev, &irk->addr.bdaddr, - addr_type, irk->val, + le_addr_type(irk->addr.type), irk->val, BDADDR_ANY); }
@@ -7237,7 +7231,6 @@ static int load_long_term_keys(struct so for (i = 0; i < key_count; i++) { struct mgmt_ltk_info *key = &cp->keys[i]; u8 type, authenticated; - u8 addr_type = le_addr_type(key->addr.type);
if (hci_is_blocked_key(hdev, HCI_BLOCKED_KEY_TYPE_LTK, @@ -7272,12 +7265,8 @@ static int load_long_term_keys(struct so continue; }
- /* When using SMP over BR/EDR, the addr type should be set to BREDR */ - if (key->addr.type == BDADDR_BREDR) - addr_type = BDADDR_BREDR; - hci_add_ltk(hdev, &key->addr.bdaddr, - addr_type, type, authenticated, + le_addr_type(key->addr.type), type, authenticated, key->val, key->enc_size, key->ediv, key->rand); }
@@ -9545,7 +9534,7 @@ void mgmt_new_link_key(struct hci_dev *h
ev.store_hint = persistent; bacpy(&ev.key.addr.bdaddr, &key->bdaddr); - ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type); + ev.key.addr.type = BDADDR_BREDR; ev.key.type = key->type; memcpy(ev.key.val, key->val, HCI_LINK_KEY_SIZE); ev.key.pin_len = key->pin_len; @@ -9596,7 +9585,7 @@ void mgmt_new_ltk(struct hci_dev *hdev, ev.store_hint = persistent;
bacpy(&ev.key.addr.bdaddr, &key->bdaddr); - ev.key.addr.type = link_to_bdaddr(key->link_type, key->bdaddr_type); + ev.key.addr.type = link_to_bdaddr(LE_LINK, key->bdaddr_type); ev.key.type = mgmt_ltk_type(key); ev.key.enc_size = key->enc_size; ev.key.ediv = key->ediv; @@ -9625,7 +9614,7 @@ void mgmt_new_irk(struct hci_dev *hdev,
bacpy(&ev.rpa, &irk->rpa); bacpy(&ev.irk.addr.bdaddr, &irk->bdaddr); - ev.irk.addr.type = link_to_bdaddr(irk->link_type, irk->addr_type); + ev.irk.addr.type = link_to_bdaddr(LE_LINK, irk->addr_type); memcpy(ev.irk.val, irk->val, sizeof(irk->val));
mgmt_event(MGMT_EV_NEW_IRK, hdev, &ev, sizeof(ev), NULL); @@ -9654,7 +9643,7 @@ void mgmt_new_csrk(struct hci_dev *hdev, ev.store_hint = persistent;
bacpy(&ev.key.addr.bdaddr, &csrk->bdaddr); - ev.key.addr.type = link_to_bdaddr(csrk->link_type, csrk->bdaddr_type); + ev.key.addr.type = link_to_bdaddr(LE_LINK, csrk->bdaddr_type); ev.key.type = csrk->type; memcpy(ev.key.val, csrk->val, sizeof(csrk->val));
--- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -1059,7 +1059,6 @@ static void smp_notify_keys(struct l2cap }
if (smp->remote_irk) { - smp->remote_irk->link_type = hcon->type; mgmt_new_irk(hdev, smp->remote_irk, persistent);
/* Now that user space can be considered to know the @@ -1074,28 +1073,24 @@ static void smp_notify_keys(struct l2cap }
if (smp->csrk) { - smp->csrk->link_type = hcon->type; smp->csrk->bdaddr_type = hcon->dst_type; bacpy(&smp->csrk->bdaddr, &hcon->dst); mgmt_new_csrk(hdev, smp->csrk, persistent); }
if (smp->responder_csrk) { - smp->responder_csrk->link_type = hcon->type; smp->responder_csrk->bdaddr_type = hcon->dst_type; bacpy(&smp->responder_csrk->bdaddr, &hcon->dst); mgmt_new_csrk(hdev, smp->responder_csrk, persistent); }
if (smp->ltk) { - smp->ltk->link_type = hcon->type; smp->ltk->bdaddr_type = hcon->dst_type; bacpy(&smp->ltk->bdaddr, &hcon->dst); mgmt_new_ltk(hdev, smp->ltk, persistent); }
if (smp->responder_ltk) { - smp->responder_ltk->link_type = hcon->type; smp->responder_ltk->bdaddr_type = hcon->dst_type; bacpy(&smp->responder_ltk->bdaddr, &hcon->dst); mgmt_new_ltk(hdev, smp->responder_ltk, persistent); @@ -1115,8 +1110,6 @@ static void smp_notify_keys(struct l2cap key = hci_add_link_key(hdev, smp->conn->hcon, &hcon->dst, smp->link_key, type, 0, &persistent); if (key) { - key->link_type = hcon->type; - key->bdaddr_type = hcon->dst_type; mgmt_new_link_key(hdev, key, persistent);
/* Don't keep debug keys around if the relevant