Re: Linux 5.10.107

From: Greg Kroah-Hartman
Date: Sat Mar 19 2022 - 09:04:54 EST

diff --git a/Makefile b/Makefile
index 7b0dffadf6a8..c0be46391057 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 5
PATCHLEVEL = 10
-SUBLEVEL = 106
+SUBLEVEL = 107
EXTRAVERSION =
NAME = Dare mighty things

diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 7de8b006ca13..2f17bf35d7a6 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -640,8 +640,8 @@ hdmi: hdmi@200a0000 {
interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
assigned-clocks = <&cru SCLK_HDMI_PHY>;
assigned-clock-parents = <&hdmi_phy>;
- clocks = <&cru SCLK_HDMI_HDCP>, <&cru PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_CEC>;
- clock-names = "isfr", "iahb", "cec";
+ clocks = <&cru PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>, <&cru SCLK_HDMI_CEC>;
+ clock-names = "iahb", "isfr", "cec";
pinctrl-names = "default";
pinctrl-0 = <&hdmii2c_xfer &hdmi_hpd &hdmi_cec>;
resets = <&cru SRST_HDMI_P>;
diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 0d89ad274268..9051fb4a267d 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -990,7 +990,7 @@ i2s: i2s@ff890000 {
status = "disabled";
};

- crypto: cypto-controller@ff8a0000 {
+ crypto: crypto@ff8a0000 {
compatible = "rockchip,rk3288-crypto";
reg = <0x0 0xff8a0000 0x0 0x4000>;
interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
index 07c099b4ed5b..1e0c9415bfcd 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex.dtsi
@@ -476,7 +476,7 @@ usbphy0: usbphy@0 {
};

usb0: usb@ffb00000 {
- compatible = "snps,dwc2";
+ compatible = "intel,socfpga-agilex-hsotg", "snps,dwc2";
reg = <0xffb00000 0x40000>;
interrupts = <0 93 4>;
phys = <&usbphy0>;
@@ -489,7 +489,7 @@ usb0: usb@ffb00000 {
};

usb1: usb@ffb40000 {
- compatible = "snps,dwc2";
+ compatible = "intel,socfpga-agilex-hsotg", "snps,dwc2";
reg = <0xffb40000 0x40000>;
interrupts = <0 94 4>;
phys = <&usbphy0>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index 4660416c8f38..544110aaffc5 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -472,6 +472,12 @@ vcc5v0_host_en: vcc5v0-host-en {
};

&sdhci {
+ /*
+ * Signal integrity isn't great at 200MHz but 100MHz has proven stable
+ * enough.
+ */
+ max-frequency = <100000000>;
+
bus-width = <8>;
mmc-hs400-1_8v;
mmc-hs400-enhanced-strobe;
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 4b6065dbba55..52ba4d07e771 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -1770,10 +1770,10 @@ hdmi: hdmi@ff940000 {
interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH 0>;
clocks = <&cru PCLK_HDMI_CTRL>,
<&cru SCLK_HDMI_SFR>,
- <&cru PLL_VPLL>,
+ <&cru SCLK_HDMI_CEC>,
<&cru PCLK_VIO_GRF>,
- <&cru SCLK_HDMI_CEC>;
- clock-names = "iahb", "isfr", "vpll", "grf", "cec";
+ <&cru PLL_VPLL>;
+ clock-names = "iahb", "isfr", "cec", "grf", "vpll";
power-domains = <&power RK3399_PD_HDCP>;
reg-io-width = <4>;
rockchip,grf = <&grf>;
diff --git a/arch/arm64/kvm/hyp/smccc_wa.S b/arch/arm64/kvm/hyp/smccc_wa.S
index 24b281912463..533b0aa73256 100644
--- a/arch/arm64/kvm/hyp/smccc_wa.S
+++ b/arch/arm64/kvm/hyp/smccc_wa.S
@@ -68,7 +68,7 @@ SYM_DATA_START(__spectre_bhb_loop_k24)
esb
sub sp, sp, #(8 * 2)
stp x0, x1, [sp, #(8 * 0)]
- mov x0, #8
+ mov x0, #24
2: b . + 4
subs x0, x0, #1
b.ne 2b
@@ -85,7 +85,7 @@ SYM_DATA_START(__spectre_bhb_loop_k32)
esb
sub sp, sp, #(8 * 2)
stp x0, x1, [sp, #(8 * 0)]
- mov x0, #8
+ mov x0, #32
2: b . + 4
subs x0, x0, #1
b.ne 2b
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index ff25926c5458..14db66dbcdad 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -351,6 +351,9 @@ asmlinkage void start_secondary(void)
cpu = smp_processor_id();
cpu_data[cpu].udelay_val = loops_per_jiffy;

+ set_cpu_sibling_map(cpu);
+ set_cpu_core_map(cpu);
+
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);

@@ -362,9 +365,6 @@ asmlinkage void start_secondary(void)
/* The CPU is running and counters synchronised, now mark it online */
set_cpu_online(cpu, true);

- set_cpu_sibling_map(cpu);
- set_cpu_core_map(cpu);
-
calculate_cpu_foreign_map();

/*
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index 0ddd611b4277..43a34aee33b8 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1675,6 +1675,8 @@ static int fs_init(struct fs_dev *dev)
dev->hw_base = pci_resource_start(pci_dev, 0);

dev->base = ioremap(dev->hw_base, 0x1000);
+ if (!dev->base)
+ return 1;

reset_chip (dev);

diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
index 717c4e7271b0..5163433ac561 100644
--- a/drivers/gpu/drm/drm_connector.c
+++ b/drivers/gpu/drm/drm_connector.c
@@ -2155,6 +2155,9 @@ EXPORT_SYMBOL(drm_connector_attach_max_bpc_property);
void drm_connector_set_vrr_capable_property(
struct drm_connector *connector, bool capable)
{
+ if (!connector->vrr_capable_property)
+ return;
+
drm_object_property_set_value(&connector->base,
connector->vrr_capable_property,
capable);
diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index de59dd6aad29..67f0f14e2bf4 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -1598,15 +1598,15 @@ static int rcar_canfd_channel_probe(struct rcar_canfd_global *gpriv, u32 ch,

netif_napi_add(ndev, &priv->napi, rcar_canfd_rx_poll,
RCANFD_NAPI_WEIGHT);
+ spin_lock_init(&priv->tx_lock);
+ devm_can_led_init(ndev);
+ gpriv->ch[priv->channel] = priv;
err = register_candev(ndev);
if (err) {
dev_err(&pdev->dev,
"register_candev() failed, error %d\n", err);
goto fail_candev;
}
- spin_lock_init(&priv->tx_lock);
- devm_can_led_init(ndev);
- gpriv->ch[priv->channel] = priv;
dev_info(&pdev->dev, "device registered (channel %u)\n", priv->channel);
return 0;

diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index be6bfd6b7ec7..50baf62b2cbc 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -163,9 +163,9 @@ static void efx_mcdi_send_request(struct efx_nic *efx, unsigned cmd,
/* Serialise with efx_mcdi_ev_cpl() and efx_mcdi_ev_death() */
spin_lock_bh(&mcdi->iface_lock);
++mcdi->seqno;
+ seqno = mcdi->seqno & SEQ_MASK;
spin_unlock_bh(&mcdi->iface_lock);

- seqno = mcdi->seqno & SEQ_MASK;
xflags = 0;
if (mcdi->mode == MCDI_MODE_EVENTS)
xflags |= MCDI_HEADER_XFLAGS_EVREQ;
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
index cbde21e772b1..b862cfbcd6e7 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c
@@ -587,8 +587,7 @@ static struct ieee80211_sband_iftype_data iwl_he_capa[] = {
.has_he = true,
.he_cap_elem = {
.mac_cap_info[0] =
- IEEE80211_HE_MAC_CAP0_HTC_HE |
- IEEE80211_HE_MAC_CAP0_TWT_REQ,
+ IEEE80211_HE_MAC_CAP0_HTC_HE,
.mac_cap_info[1] =
IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US |
IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8,
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index 922a7ea0cd24..d2c6fdb70273 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -350,7 +350,6 @@ static const u8 he_if_types_ext_capa_sta[] = {
[0] = WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING,
[2] = WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT,
[7] = WLAN_EXT_CAPA8_OPMODE_NOTIF,
- [9] = WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT,
};

static const struct wiphy_iftype_ext_capab he_iftypes_ext_capa[] = {
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 019cbde8c3d6..fd188b972151 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1009,6 +1009,18 @@ static inline bool __io_match_files(struct io_kiocb *req,
req->work.identity->files == files;
}

+static void io_refs_resurrect(struct percpu_ref *ref, struct completion *compl)
+{
+ bool got = percpu_ref_tryget(ref);
+
+ /* already at zero, wait for ->release() */
+ if (!got)
+ wait_for_completion(compl);
+ percpu_ref_resurrect(ref);
+ if (got)
+ percpu_ref_put(ref);
+}
+
static bool io_match_task(struct io_kiocb *head,
struct task_struct *task,
struct files_struct *files)
@@ -9757,12 +9769,11 @@ static int __io_uring_register(struct io_ring_ctx *ctx, unsigned opcode,
if (ret < 0)
break;
} while (1);
-
mutex_lock(&ctx->uring_lock);

if (ret) {
- percpu_ref_resurrect(&ctx->refs);
- goto out_quiesce;
+ io_refs_resurrect(&ctx->refs, &ctx->ref_comp);
+ return ret;
}
}

@@ -9855,7 +9866,6 @@ static int __io_uring_register(struct io_ring_ctx *ctx, unsigned opcode,
if (io_register_op_must_quiesce(opcode)) {
/* bring the ctx back to life */
percpu_ref_reinit(&ctx->refs);
-out_quiesce:
reinit_completion(&ctx->ref_comp);
}
return ret;
diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 4a2843441caf..0049a7459649 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -1668,14 +1668,15 @@ int km_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
const struct xfrm_migrate *m, int num_bundles,
const struct xfrm_kmaddress *k,
const struct xfrm_encap_tmpl *encap);
-struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *net);
+struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *net,
+ u32 if_id);
struct xfrm_state *xfrm_state_migrate(struct xfrm_state *x,
struct xfrm_migrate *m,
struct xfrm_encap_tmpl *encap);
int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
struct xfrm_migrate *m, int num_bundles,
struct xfrm_kmaddress *k, struct net *net,
- struct xfrm_encap_tmpl *encap);
+ struct xfrm_encap_tmpl *encap, u32 if_id);
#endif

int km_new_mapping(struct xfrm_state *x, xfrm_address_t *ipaddr, __be16 sport);
diff --git a/lib/Kconfig b/lib/Kconfig
index b46a9fd122c8..9216e24e5164 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -45,7 +45,6 @@ config BITREVERSE
config HAVE_ARCH_BITREVERSE
bool
default n
- depends on BITREVERSE
help
This option enables the use of hardware bit-reversal instructions on
architectures which support such operations.
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 63c81af41b43..a3ec2a08027b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -1652,11 +1652,13 @@ int tcp_read_sock(struct sock *sk, read_descriptor_t *desc,
if (!copied)
copied = used;
break;
- } else if (used <= len) {
- seq += used;
- copied += used;
- offset += used;
}
+ if (WARN_ON_ONCE(used > len))
+ used = len;
+ seq += used;
+ copied += used;
+ offset += used;
+
/* If recv_actor drops the lock (e.g. TCP splice
* receive) the skb pointer might be invalid when
* getting here: tcp_collapse might have deleted it
diff --git a/net/key/af_key.c b/net/key/af_key.c
index ef9b4ac03e7b..d1364b858fdf 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -2627,7 +2627,7 @@ static int pfkey_migrate(struct sock *sk, struct sk_buff *skb,
}

return xfrm_migrate(&sel, dir, XFRM_POLICY_TYPE_MAIN, m, i,
- kma ? &k : NULL, net, NULL);
+ kma ? &k : NULL, net, NULL, 0);

out:
return err;
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 190f300d8923..4b4ab1961068 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@xxxxxxxxxxxx>
* Copyright 2007-2010, Intel Corporation
* Copyright(c) 2015-2017 Intel Deutschland GmbH
- * Copyright (C) 2018 - 2021 Intel Corporation
+ * Copyright (C) 2018 - 2022 Intel Corporation
*/

#include <linux/ieee80211.h>
@@ -626,6 +626,14 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
return -EINVAL;
}

+ if (test_sta_flag(sta, WLAN_STA_MFP) &&
+ !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
+ ht_dbg(sdata,
+ "MFP STA not authorized - deny BA session request %pM tid %d\n",
+ sta->sta.addr, tid);
+ return -EINVAL;
+ }
+
/*
* 802.11n-2009 11.5.1.1: If the initiating STA is an HT STA, is a
* member of an IBSS, and has no other existing Block Ack agreement
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index 096e6be1d8fc..ee0b2b03657c 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -149,6 +149,12 @@ static enum sctp_disposition __sctp_sf_do_9_1_abort(
void *arg,
struct sctp_cmd_seq *commands);

+static enum sctp_disposition
+__sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ const union sctp_subtype type, void *arg,
+ struct sctp_cmd_seq *commands);
+
/* Small helper function that checks if the chunk length
* is of the appropriate length. The 'required_length' argument
* is set to be the size of a specific chunk we are testing.
@@ -330,6 +336,14 @@ enum sctp_disposition sctp_sf_do_5_1B_init(struct net *net,
if (!chunk->singleton)
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

+ /* Make sure that the INIT chunk has a valid length.
+ * Normally, this would cause an ABORT with a Protocol Violation
+ * error, but since we don't have an association, we'll
+ * just discard the packet.
+ */
+ if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk)))
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
+
/* If the packet is an OOTB packet which is temporarily on the
* control endpoint, respond with an ABORT.
*/
@@ -344,14 +358,6 @@ enum sctp_disposition sctp_sf_do_5_1B_init(struct net *net,
if (chunk->sctp_hdr->vtag != 0)
return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);

- /* Make sure that the INIT chunk has a valid length.
- * Normally, this would cause an ABORT with a Protocol Violation
- * error, but since we don't have an association, we'll
- * just discard the packet.
- */
- if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk)))
- return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
-
/* If the INIT is coming toward a closing socket, we'll send back
* and ABORT. Essentially, this catches the race of INIT being
* backloged to the socket at the same time as the user isses close().
@@ -1484,19 +1490,16 @@ static enum sctp_disposition sctp_sf_do_unexpected_init(
if (!chunk->singleton)
return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);

+ /* Make sure that the INIT chunk has a valid length. */
+ if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk)))
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
+
/* 3.1 A packet containing an INIT chunk MUST have a zero Verification
* Tag.
*/
if (chunk->sctp_hdr->vtag != 0)
return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);

- /* Make sure that the INIT chunk has a valid length.
- * In this case, we generate a protocol violation since we have
- * an association established.
- */
- if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk)))
- return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,
- commands);
/* Grab the INIT header. */
chunk->subh.init_hdr = (struct sctp_inithdr *)chunk->skb->data;

@@ -1814,9 +1817,9 @@ static enum sctp_disposition sctp_sf_do_dupcook_a(
* its peer.
*/
if (sctp_state(asoc, SHUTDOWN_ACK_SENT)) {
- disposition = sctp_sf_do_9_2_reshutack(net, ep, asoc,
- SCTP_ST_CHUNK(chunk->chunk_hdr->type),
- chunk, commands);
+ disposition = __sctp_sf_do_9_2_reshutack(net, ep, asoc,
+ SCTP_ST_CHUNK(chunk->chunk_hdr->type),
+ chunk, commands);
if (SCTP_DISPOSITION_NOMEM == disposition)
goto nomem;

@@ -2915,13 +2918,11 @@ enum sctp_disposition sctp_sf_do_9_2_shut_ctsn(
* that belong to this association, it should discard the INIT chunk and
* retransmit the SHUTDOWN ACK chunk.
*/
-enum sctp_disposition sctp_sf_do_9_2_reshutack(
- struct net *net,
- const struct sctp_endpoint *ep,
- const struct sctp_association *asoc,
- const union sctp_subtype type,
- void *arg,
- struct sctp_cmd_seq *commands)
+static enum sctp_disposition
+__sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ const union sctp_subtype type, void *arg,
+ struct sctp_cmd_seq *commands)
{
struct sctp_chunk *chunk = arg;
struct sctp_chunk *reply;
@@ -2955,6 +2956,26 @@ enum sctp_disposition sctp_sf_do_9_2_reshutack(
return SCTP_DISPOSITION_NOMEM;
}

+enum sctp_disposition
+sctp_sf_do_9_2_reshutack(struct net *net, const struct sctp_endpoint *ep,
+ const struct sctp_association *asoc,
+ const union sctp_subtype type, void *arg,
+ struct sctp_cmd_seq *commands)
+{
+ struct sctp_chunk *chunk = arg;
+
+ if (!chunk->singleton)
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
+
+ if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_init_chunk)))
+ return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
+
+ if (chunk->sctp_hdr->vtag != 0)
+ return sctp_sf_tabort_8_4_8(net, ep, asoc, type, arg, commands);
+
+ return __sctp_sf_do_9_2_reshutack(net, ep, asoc, type, arg, commands);
+}
+
/*
* sctp_sf_do_ecn_cwr
*
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 07bd7b00b56d..0df8b9a19952 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -17127,7 +17127,8 @@ void cfg80211_ch_switch_notify(struct net_device *dev,
wdev->chandef = *chandef;
wdev->preset_chandef = *chandef;

- if (wdev->iftype == NL80211_IFTYPE_STATION &&
+ if ((wdev->iftype == NL80211_IFTYPE_STATION ||
+ wdev->iftype == NL80211_IFTYPE_P2P_CLIENT) &&
!WARN_ON(!wdev->current_bss))
cfg80211_update_assoc_bss_entry(wdev, chandef->chan);

diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index c4a195cb3681..3d0ffd927004 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -4287,7 +4287,7 @@ static bool xfrm_migrate_selector_match(const struct xfrm_selector *sel_cmp,
}

static struct xfrm_policy *xfrm_migrate_policy_find(const struct xfrm_selector *sel,
- u8 dir, u8 type, struct net *net)
+ u8 dir, u8 type, struct net *net, u32 if_id)
{
struct xfrm_policy *pol, *ret = NULL;
struct hlist_head *chain;
@@ -4296,7 +4296,8 @@ static struct xfrm_policy *xfrm_migrate_policy_find(const struct xfrm_selector *
spin_lock_bh(&net->xfrm.xfrm_policy_lock);
chain = policy_hash_direct(net, &sel->daddr, &sel->saddr, sel->family, dir);
hlist_for_each_entry(pol, chain, bydst) {
- if (xfrm_migrate_selector_match(sel, &pol->selector) &&
+ if ((if_id == 0 || pol->if_id == if_id) &&
+ xfrm_migrate_selector_match(sel, &pol->selector) &&
pol->type == type) {
ret = pol;
priority = ret->priority;
@@ -4308,7 +4309,8 @@ static struct xfrm_policy *xfrm_migrate_policy_find(const struct xfrm_selector *
if ((pol->priority >= priority) && ret)
break;

- if (xfrm_migrate_selector_match(sel, &pol->selector) &&
+ if ((if_id == 0 || pol->if_id == if_id) &&
+ xfrm_migrate_selector_match(sel, &pol->selector) &&
pol->type == type) {
ret = pol;
break;
@@ -4424,7 +4426,7 @@ static int xfrm_migrate_check(const struct xfrm_migrate *m, int num_migrate)
int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
struct xfrm_migrate *m, int num_migrate,
struct xfrm_kmaddress *k, struct net *net,
- struct xfrm_encap_tmpl *encap)
+ struct xfrm_encap_tmpl *encap, u32 if_id)
{
int i, err, nx_cur = 0, nx_new = 0;
struct xfrm_policy *pol = NULL;
@@ -4443,14 +4445,14 @@ int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
}

/* Stage 1 - find policy */
- if ((pol = xfrm_migrate_policy_find(sel, dir, type, net)) == NULL) {
+ if ((pol = xfrm_migrate_policy_find(sel, dir, type, net, if_id)) == NULL) {
err = -ENOENT;
goto out;
}

/* Stage 2 - find and update state(s) */
for (i = 0, mp = m; i < num_migrate; i++, mp++) {
- if ((x = xfrm_migrate_state_find(mp, net))) {
+ if ((x = xfrm_migrate_state_find(mp, net, if_id))) {
x_cur[nx_cur] = x;
nx_cur++;
xc = xfrm_state_migrate(x, mp, encap);
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index f5b846a2edcd..1befc6db723b 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1542,9 +1542,6 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig,
memcpy(&x->mark, &orig->mark, sizeof(x->mark));
memcpy(&x->props.smark, &orig->props.smark, sizeof(x->props.smark));

- if (xfrm_init_state(x) < 0)
- goto error;
-
x->props.flags = orig->props.flags;
x->props.extra_flags = orig->props.extra_flags;

@@ -1569,7 +1566,8 @@ static struct xfrm_state *xfrm_state_clone(struct xfrm_state *orig,
return NULL;
}

-struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *net)
+struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *net,
+ u32 if_id)
{
unsigned int h;
struct xfrm_state *x = NULL;
@@ -1585,6 +1583,8 @@ struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *n
continue;
if (m->reqid && x->props.reqid != m->reqid)
continue;
+ if (if_id != 0 && x->if_id != if_id)
+ continue;
if (!xfrm_addr_equal(&x->id.daddr, &m->old_daddr,
m->old_family) ||
!xfrm_addr_equal(&x->props.saddr, &m->old_saddr,
@@ -1600,6 +1600,8 @@ struct xfrm_state *xfrm_migrate_state_find(struct xfrm_migrate *m, struct net *n
if (x->props.mode != m->mode ||
x->id.proto != m->proto)
continue;
+ if (if_id != 0 && x->if_id != if_id)
+ continue;
if (!xfrm_addr_equal(&x->id.daddr, &m->old_daddr,
m->old_family) ||
!xfrm_addr_equal(&x->props.saddr, &m->old_saddr,
@@ -1626,6 +1628,11 @@ struct xfrm_state *xfrm_state_migrate(struct xfrm_state *x,
if (!xc)
return NULL;

+ xc->props.family = m->new_family;
+
+ if (xfrm_init_state(xc) < 0)
+ goto error;
+
memcpy(&xc->id.daddr, &m->new_daddr, sizeof(xc->id.daddr));
memcpy(&xc->props.saddr, &m->new_saddr, sizeof(xc->props.saddr));

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index d0fdfbf4c5f7..1ece01cd67a4 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -629,13 +629,8 @@ static struct xfrm_state *xfrm_state_construct(struct net *net,

xfrm_smark_init(attrs, &x->props.smark);

- if (attrs[XFRMA_IF_ID]) {
+ if (attrs[XFRMA_IF_ID])
x->if_id = nla_get_u32(attrs[XFRMA_IF_ID]);
- if (!x->if_id) {
- err = -EINVAL;
- goto error;
- }
- }

err = __xfrm_init_state(x, false, attrs[XFRMA_OFFLOAD_DEV]);
if (err)
@@ -1371,13 +1366,8 @@ static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh,

mark = xfrm_mark_get(attrs, &m);

- if (attrs[XFRMA_IF_ID]) {
+ if (attrs[XFRMA_IF_ID])
if_id = nla_get_u32(attrs[XFRMA_IF_ID]);
- if (!if_id) {
- err = -EINVAL;
- goto out_noput;
- }
- }

if (p->info.seq) {
x = xfrm_find_acq_byseq(net, mark, p->info.seq);
@@ -1690,13 +1680,8 @@ static struct xfrm_policy *xfrm_policy_construct(struct net *net, struct xfrm_us

xfrm_mark_get(attrs, &xp->mark);

- if (attrs[XFRMA_IF_ID]) {
+ if (attrs[XFRMA_IF_ID])
xp->if_id = nla_get_u32(attrs[XFRMA_IF_ID]);
- if (!xp->if_id) {
- err = -EINVAL;
- goto error;
- }
- }

return xp;
error:
@@ -2451,6 +2436,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
int n = 0;
struct net *net = sock_net(skb->sk);
struct xfrm_encap_tmpl *encap = NULL;
+ u32 if_id = 0;

if (attrs[XFRMA_MIGRATE] == NULL)
return -EINVAL;
@@ -2475,7 +2461,10 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
return 0;
}

- err = xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net, encap);
+ if (attrs[XFRMA_IF_ID])
+ if_id = nla_get_u32(attrs[XFRMA_IF_ID]);
+
+ err = xfrm_migrate(&pi->sel, pi->dir, type, m, n, kmp, net, encap, if_id);

kfree(encap);

diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c
index d418ca5f9039..034245ea397f 100644
--- a/tools/testing/selftests/vm/userfaultfd.c
+++ b/tools/testing/selftests/vm/userfaultfd.c
@@ -46,6 +46,7 @@
#include <signal.h>
#include <poll.h>
#include <string.h>
+#include <linux/mman.h>
#include <sys/mman.h>
#include <sys/syscall.h>
#include <sys/ioctl.h>