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SubjectRe: Linux 4.14.19
diff --git a/.gitignore b/.gitignore
index 0c39aa20b6ba..f6050b88e95b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,38 +7,40 @@
# command after changing this file, to see if there are
# any tracked files which get ignored after the change.
#
-# Normal rules
+# Normal rules (sorted alphabetically)
#
.*
+*.a
+*.bin
+*.bz2
+*.c.[012]*.*
+*.dtb
+*.dtb.S
+*.dwo
+*.elf
+*.gcno
+*.gz
+*.i
+*.ko
+*.ll
+*.lst
+*.lz4
+*.lzma
+*.lzo
+*.mod.c
*.o
*.o.*
-*.a
+*.order
+*.patch
*.s
-*.ko
*.so
*.so.dbg
-*.mod.c
-*.i
-*.lst
+*.su
*.symtypes
-*.order
-*.elf
-*.bin
*.tar
-*.gz
-*.bz2
-*.lzma
*.xz
-*.lz4
-*.lzo
-*.patch
-*.gcno
-*.ll
-modules.builtin
Module.symvers
-*.dwo
-*.su
-*.c.[012]*.*
+modules.builtin

#
# Top-level generic files
@@ -53,6 +55,11 @@ Module.symvers
/System.map
/Module.markers

+#
+# RPM spec file (make rpm-pkg)
+#
+/*.spec
+
#
# Debian directory (make deb-pkg)
#
diff --git a/Makefile b/Makefile
index a69e5da9ed86..76a0b13623f4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 14
-SUBLEVEL = 18
+SUBLEVEL = 19
EXTRAVERSION =
NAME = Petit Gorille

diff --git a/arch/arc/boot/.gitignore b/arch/arc/boot/.gitignore
index 5246969a20c5..c4c5fd529c25 100644
--- a/arch/arc/boot/.gitignore
+++ b/arch/arc/boot/.gitignore
@@ -1,2 +1 @@
-*.dtb*
uImage
diff --git a/arch/arm/boot/.gitignore b/arch/arm/boot/.gitignore
index 3c79f85975aa..ce1c5ff746e7 100644
--- a/arch/arm/boot/.gitignore
+++ b/arch/arm/boot/.gitignore
@@ -3,4 +3,3 @@ zImage
xipImage
bootpImage
uImage
-*.dtb
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 0fcd82f01388..b8dc3b516f93 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -790,7 +790,6 @@ void abort(void)
/* if that doesn't kill us, halt */
panic("Oops failed to kill thread");
}
-EXPORT_SYMBOL(abort);

void __init trap_init(void)
{
diff --git a/arch/arm64/boot/dts/.gitignore b/arch/arm64/boot/dts/.gitignore
deleted file mode 100644
index b60ed208c779..000000000000
--- a/arch/arm64/boot/dts/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-*.dtb
diff --git a/arch/m32r/kernel/traps.c b/arch/m32r/kernel/traps.c
index cb79fba79d43..b88a8dd14933 100644
--- a/arch/m32r/kernel/traps.c
+++ b/arch/m32r/kernel/traps.c
@@ -122,7 +122,6 @@ void abort(void)
/* if that doesn't kill us, halt */
panic("Oops failed to kill thread");
}
-EXPORT_SYMBOL(abort);

void __init trap_init(void)
{
diff --git a/arch/metag/boot/.gitignore b/arch/metag/boot/.gitignore
index 2d6c0c160884..6c662ddb909a 100644
--- a/arch/metag/boot/.gitignore
+++ b/arch/metag/boot/.gitignore
@@ -1,4 +1,3 @@
vmlinux*
uImage*
ramdisk.*
-*.dtb*
diff --git a/arch/microblaze/boot/.gitignore b/arch/microblaze/boot/.gitignore
index bf0459186027..679502d64a97 100644
--- a/arch/microblaze/boot/.gitignore
+++ b/arch/microblaze/boot/.gitignore
@@ -1,3 +1,2 @@
-*.dtb
linux.bin*
simpleImage.*
diff --git a/arch/mips/boot/.gitignore b/arch/mips/boot/.gitignore
index d3962cd5ce0c..a73d6e2c4f64 100644
--- a/arch/mips/boot/.gitignore
+++ b/arch/mips/boot/.gitignore
@@ -5,4 +5,3 @@ zImage
zImage.tmp
calc_vmlinuz_load_addr
uImage
-*.dtb
diff --git a/arch/nios2/boot/.gitignore b/arch/nios2/boot/.gitignore
index 109279ca5a4d..64386a8dedd8 100644
--- a/arch/nios2/boot/.gitignore
+++ b/arch/nios2/boot/.gitignore
@@ -1,2 +1 @@
-*.dtb
vmImage
diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore
index 84774ccba1c2..f92d0530ceb1 100644
--- a/arch/powerpc/boot/.gitignore
+++ b/arch/powerpc/boot/.gitignore
@@ -18,7 +18,6 @@ otheros.bld
uImage
cuImage.*
dtbImage.*
-*.dtb
treeImage.*
vmlinux.strip
zImage
diff --git a/arch/unicore32/kernel/traps.c b/arch/unicore32/kernel/traps.c
index 5f25b39f04d4..c4ac6043ebb0 100644
--- a/arch/unicore32/kernel/traps.c
+++ b/arch/unicore32/kernel/traps.c
@@ -298,7 +298,6 @@ void abort(void)
/* if that doesn't kill us, halt */
panic("Oops failed to kill thread");
}
-EXPORT_SYMBOL(abort);

void __init trap_init(void)
{
diff --git a/arch/x86/kernel/alternative.c b/arch/x86/kernel/alternative.c
index 21be0193d9dc..b034826a0b3b 100644
--- a/arch/x86/kernel/alternative.c
+++ b/arch/x86/kernel/alternative.c
@@ -287,7 +287,7 @@ recompute_jump(struct alt_instr *a, u8 *orig_insn, u8 *repl_insn, u8 *insnbuf)
tgt_rip = next_rip + o_dspl;
n_dspl = tgt_rip - orig_insn;

- DPRINTK("target RIP: %px, new_displ: 0x%x", tgt_rip, n_dspl);
+ DPRINTK("target RIP: %p, new_displ: 0x%x", tgt_rip, n_dspl);

if (tgt_rip - orig_insn >= 0) {
if (n_dspl - 2 <= 127)
@@ -344,7 +344,7 @@ static void __init_or_module noinline optimize_nops(struct alt_instr *a, u8 *ins
add_nops(instr + (a->instrlen - a->padlen), a->padlen);
local_irq_restore(flags);

- DUMP_BYTES(instr, a->instrlen, "%px: [%d:%d) optimized NOPs: ",
+ DUMP_BYTES(instr, a->instrlen, "%p: [%d:%d) optimized NOPs: ",
instr, a->instrlen - a->padlen, a->padlen);
}

@@ -365,7 +365,7 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
u8 *instr, *replacement;
u8 insnbuf[MAX_PATCH_LEN];

- DPRINTK("alt table %px, -> %px", start, end);
+ DPRINTK("alt table %p -> %p", start, end);
/*
* The scan order should be from start to end. A later scanned
* alternative code can overwrite previously scanned alternative code.
@@ -389,14 +389,14 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
continue;
}

- DPRINTK("feat: %d*32+%d, old: (%px len: %d), repl: (%px, len: %d), pad: %d",
+ DPRINTK("feat: %d*32+%d, old: (%p, len: %d), repl: (%p, len: %d), pad: %d",
a->cpuid >> 5,
a->cpuid & 0x1f,
instr, a->instrlen,
replacement, a->replacementlen, a->padlen);

- DUMP_BYTES(instr, a->instrlen, "%px: old_insn: ", instr);
- DUMP_BYTES(replacement, a->replacementlen, "%px: rpl_insn: ", replacement);
+ DUMP_BYTES(instr, a->instrlen, "%p: old_insn: ", instr);
+ DUMP_BYTES(replacement, a->replacementlen, "%p: rpl_insn: ", replacement);

memcpy(insnbuf, replacement, a->replacementlen);
insnbuf_sz = a->replacementlen;
@@ -422,7 +422,7 @@ void __init_or_module noinline apply_alternatives(struct alt_instr *start,
a->instrlen - a->replacementlen);
insnbuf_sz += a->instrlen - a->replacementlen;
}
- DUMP_BYTES(insnbuf, insnbuf_sz, "%px: final_insn: ", instr);
+ DUMP_BYTES(insnbuf, insnbuf_sz, "%p: final_insn: ", instr);

text_poke_early(instr, insnbuf, insnbuf_sz);
}
diff --git a/arch/xtensa/boot/.gitignore b/arch/xtensa/boot/.gitignore
index be7655998b26..38177c7ebcab 100644
--- a/arch/xtensa/boot/.gitignore
+++ b/arch/xtensa/boot/.gitignore
@@ -1,3 +1,2 @@
uImage
zImage.redboot
-*.dtb
diff --git a/crypto/tcrypt.c b/crypto/tcrypt.c
index f5f58a6eee5d..e339960dcac7 100644
--- a/crypto/tcrypt.c
+++ b/crypto/tcrypt.c
@@ -221,11 +221,13 @@ static void sg_init_aead(struct scatterlist *sg, char *xbuf[XBUFSIZE],
}

sg_init_table(sg, np + 1);
- np--;
+ if (rem)
+ np--;
for (k = 0; k < np; k++)
sg_set_buf(&sg[k + 1], xbuf[k], PAGE_SIZE);

- sg_set_buf(&sg[k + 1], xbuf[k], rem);
+ if (rem)
+ sg_set_buf(&sg[k + 1], xbuf[k], rem);
}

static void test_aead_speed(const char *algo, int enc, unsigned int secs,
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
index 46768c056193..0c28d0b995cc 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
@@ -115,3 +115,6 @@ struct mtk_vcodec_ctx *mtk_vcodec_get_curr_ctx(struct mtk_vcodec_dev *dev)
return ctx;
}
EXPORT_SYMBOL(mtk_vcodec_get_curr_ctx);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("Mediatek video codec driver");
diff --git a/drivers/media/platform/soc_camera/soc_scale_crop.c b/drivers/media/platform/soc_camera/soc_scale_crop.c
index 0116097c0c0f..092c73f24589 100644
--- a/drivers/media/platform/soc_camera/soc_scale_crop.c
+++ b/drivers/media/platform/soc_camera/soc_scale_crop.c
@@ -419,3 +419,7 @@ void soc_camera_calc_client_output(struct soc_camera_device *icd,
mf->height = soc_camera_shift_scale(rect->height, shift, scale_v);
}
EXPORT_SYMBOL(soc_camera_calc_client_output);
+
+MODULE_DESCRIPTION("soc-camera scaling-cropping functions");
+MODULE_AUTHOR("Guennadi Liakhovetski <kernel@pengutronix.de>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
index f7080d0ab874..46b0372dd032 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_hw.c
@@ -3891,7 +3891,7 @@ static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
struct list_head *head = &mbx->cmd_q;
struct qlcnic_cmd_args *cmd = NULL;

- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);

while (!list_empty(head)) {
cmd = list_entry(head->next, struct qlcnic_cmd_args, list);
@@ -3902,7 +3902,7 @@ static void qlcnic_83xx_flush_mbx_queue(struct qlcnic_adapter *adapter)
qlcnic_83xx_notify_cmd_completion(adapter, cmd);
}

- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);
}

static int qlcnic_83xx_check_mbx_status(struct qlcnic_adapter *adapter)
@@ -3938,12 +3938,12 @@ static void qlcnic_83xx_dequeue_mbx_cmd(struct qlcnic_adapter *adapter,
{
struct qlcnic_mailbox *mbx = adapter->ahw->mailbox;

- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);

list_del(&cmd->list);
mbx->num_cmds--;

- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);

qlcnic_83xx_notify_cmd_completion(adapter, cmd);
}
@@ -4008,7 +4008,7 @@ static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
init_completion(&cmd->completion);
cmd->rsp_opcode = QLC_83XX_MBX_RESPONSE_UNKNOWN;

- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);

list_add_tail(&cmd->list, &mbx->cmd_q);
mbx->num_cmds++;
@@ -4016,7 +4016,7 @@ static int qlcnic_83xx_enqueue_mbx_cmd(struct qlcnic_adapter *adapter,
*timeout = cmd->total_cmds * QLC_83XX_MBX_TIMEOUT;
queue_work(mbx->work_q, &mbx->work);

- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);

return 0;
}
@@ -4112,15 +4112,15 @@ static void qlcnic_83xx_mailbox_worker(struct work_struct *work)
mbx->rsp_status = QLC_83XX_MBX_RESPONSE_WAIT;
spin_unlock_irqrestore(&mbx->aen_lock, flags);

- spin_lock(&mbx->queue_lock);
+ spin_lock_bh(&mbx->queue_lock);

if (list_empty(head)) {
- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);
return;
}
cmd = list_entry(head->next, struct qlcnic_cmd_args, list);

- spin_unlock(&mbx->queue_lock);
+ spin_unlock_bh(&mbx->queue_lock);

mbx_ops->encode_cmd(adapter, cmd);
mbx_ops->nofity_fw(adapter, QLC_83XX_MBX_REQUEST);
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 958ff931e790..619a1b7281a0 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -1388,7 +1388,7 @@ DECLARE_RTL_COND(rtl_ocp_tx_cond)
{
void __iomem *ioaddr = tp->mmio_addr;

- return RTL_R8(IBISR0) & 0x02;
+ return RTL_R8(IBISR0) & 0x20;
}

static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
@@ -1396,7 +1396,7 @@ static void rtl8168ep_stop_cmac(struct rtl8169_private *tp)
void __iomem *ioaddr = tp->mmio_addr;

RTL_W8(IBCR2, RTL_R8(IBCR2) & ~0x01);
- rtl_msleep_loop_wait_low(tp, &rtl_ocp_tx_cond, 50, 2000);
+ rtl_msleep_loop_wait_high(tp, &rtl_ocp_tx_cond, 50, 2000);
RTL_W8(IBISR0, RTL_R8(IBISR0) | 0x20);
RTL_W8(IBCR0, RTL_R8(IBCR0) & ~0x01);
}
diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index fc8f8bdf6579..056cb6093630 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2902,6 +2902,12 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
goto err_alloc_ordered_workqueue;
}

+ err = rocker_probe_ports(rocker);
+ if (err) {
+ dev_err(&pdev->dev, "failed to probe ports\n");
+ goto err_probe_ports;
+ }
+
/* Only FIBs pointing to our own netdevs are programmed into
* the device, so no need to pass a callback.
*/
@@ -2918,22 +2924,16 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)

rocker->hw.id = rocker_read64(rocker, SWITCH_ID);

- err = rocker_probe_ports(rocker);
- if (err) {
- dev_err(&pdev->dev, "failed to probe ports\n");
- goto err_probe_ports;
- }
-
dev_info(&pdev->dev, "Rocker switch with id %*phN\n",
(int)sizeof(rocker->hw.id), &rocker->hw.id);

return 0;

-err_probe_ports:
- unregister_switchdev_notifier(&rocker_switchdev_notifier);
err_register_switchdev_notifier:
unregister_fib_notifier(&rocker->fib_nb);
err_register_fib_notifier:
+ rocker_remove_ports(rocker);
+err_probe_ports:
destroy_workqueue(rocker->rocker_owq);
err_alloc_ordered_workqueue:
free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker);
@@ -2961,9 +2961,9 @@ static void rocker_remove(struct pci_dev *pdev)
{
struct rocker *rocker = pci_get_drvdata(pdev);

- rocker_remove_ports(rocker);
unregister_switchdev_notifier(&rocker_switchdev_notifier);
unregister_fib_notifier(&rocker->fib_nb);
+ rocker_remove_ports(rocker);
rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET);
destroy_workqueue(rocker->rocker_owq);
free_irq(rocker_msix_vector(rocker, ROCKER_MSIX_VEC_EVENT), rocker);
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 2092febfcb42..8d9f02b7a71f 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -1243,6 +1243,7 @@ static const struct usb_device_id products[] = {
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0125, 4)}, /* Quectel EC25, EC20 R2.0 Mini PCIe */
{QMI_QUIRK_SET_DTR(0x2c7c, 0x0121, 4)}, /* Quectel EC21 Mini PCIe */
{QMI_FIXED_INTF(0x2c7c, 0x0296, 4)}, /* Quectel BG96 */
+ {QMI_QUIRK_SET_DTR(0x2c7c, 0x0306, 4)}, /* Quectel EP06 Mini PCIe */

/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/of/unittest-data/.gitignore b/drivers/of/unittest-data/.gitignore
deleted file mode 100644
index 4b3cf8b16de2..000000000000
--- a/drivers/of/unittest-data/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-testcases.dtb
-testcases.dtb.S
diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
index 5e7200f05873..c17ccb913fde 100644
--- a/drivers/scsi/storvsc_drv.c
+++ b/drivers/scsi/storvsc_drv.c
@@ -1826,8 +1826,10 @@ static int storvsc_probe(struct hv_device *device,
fc_host_node_name(host) = stor_device->node_name;
fc_host_port_name(host) = stor_device->port_name;
stor_device->rport = fc_remote_port_add(host, 0, &ids);
- if (!stor_device->rport)
+ if (!stor_device->rport) {
+ ret = -ENOMEM;
goto err_out3;
+ }
}
#endif
return 0;
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index bd15309ac5f1..082891dffd9d 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -1212,6 +1212,7 @@ static long vhost_net_reset_owner(struct vhost_net *n)
}
vhost_net_stop(n, &tx_sock, &rx_sock);
vhost_net_flush(n);
+ vhost_dev_stop(&n->dev);
vhost_dev_reset_owner(&n->dev, umem);
vhost_net_vq_reset(n);
done:
diff --git a/kernel/exit.c b/kernel/exit.c
index f6cad39f35df..e3a08761eb40 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -1755,3 +1755,12 @@ COMPAT_SYSCALL_DEFINE5(waitid,
return -EFAULT;
}
#endif
+
+__weak void abort(void)
+{
+ BUG();
+
+ /* if that doesn't kill us, halt */
+ panic("Oops failed to kill thread");
+}
+EXPORT_SYMBOL(abort);
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 53f7c919b916..66e7efabf0a1 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5828,6 +5828,20 @@ void mem_cgroup_sk_alloc(struct sock *sk)
if (!mem_cgroup_sockets_enabled)
return;

+ /*
+ * Socket cloning can throw us here with sk_memcg already
+ * filled. It won't however, necessarily happen from
+ * process context. So the test for root memcg given
+ * the current task's memcg won't help us in this case.
+ *
+ * Respecting the original socket's memcg is a better
+ * decision in this case.
+ */
+ if (sk->sk_memcg) {
+ css_get(&sk->sk_memcg->css);
+ return;
+ }
+
rcu_read_lock();
memcg = mem_cgroup_from_task(current);
if (memcg == root_mem_cgroup)
diff --git a/net/core/sock.c b/net/core/sock.c
index 415f441c63b9..beb1e299fed3 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1677,16 +1677,13 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority)
newsk->sk_dst_pending_confirm = 0;
newsk->sk_wmem_queued = 0;
newsk->sk_forward_alloc = 0;
-
- /* sk->sk_memcg will be populated at accept() time */
- newsk->sk_memcg = NULL;
-
atomic_set(&newsk->sk_drops, 0);
newsk->sk_send_head = NULL;
newsk->sk_userlocks = sk->sk_userlocks & ~SOCK_BINDPORT_LOCK;
atomic_set(&newsk->sk_zckey, 0);

sock_reset_flag(newsk, SOCK_DONE);
+ mem_cgroup_sk_alloc(newsk);
cgroup_sk_alloc(&newsk->sk_cgrp_data);

rcu_read_lock();
diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index 5eeb1d20cc38..676092d7bd81 100644
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -94,6 +94,16 @@ static struct sock_reuseport *reuseport_grow(struct sock_reuseport *reuse)
return more_reuse;
}

+static void reuseport_free_rcu(struct rcu_head *head)
+{
+ struct sock_reuseport *reuse;
+
+ reuse = container_of(head, struct sock_reuseport, rcu);
+ if (reuse->prog)
+ bpf_prog_destroy(reuse->prog);
+ kfree(reuse);
+}
+
/**
* reuseport_add_sock - Add a socket to the reuseport group of another.
* @sk: New socket to add to the group.
@@ -102,7 +112,7 @@ static struct sock_reuseport *reuseport_grow(struct sock_reuseport *reuse)
*/
int reuseport_add_sock(struct sock *sk, struct sock *sk2)
{
- struct sock_reuseport *reuse;
+ struct sock_reuseport *old_reuse, *reuse;

if (!rcu_access_pointer(sk2->sk_reuseport_cb)) {
int err = reuseport_alloc(sk2);
@@ -113,10 +123,13 @@ int reuseport_add_sock(struct sock *sk, struct sock *sk2)

spin_lock_bh(&reuseport_lock);
reuse = rcu_dereference_protected(sk2->sk_reuseport_cb,
- lockdep_is_held(&reuseport_lock)),
- WARN_ONCE(rcu_dereference_protected(sk->sk_reuseport_cb,
- lockdep_is_held(&reuseport_lock)),
- "socket already in reuseport group");
+ lockdep_is_held(&reuseport_lock));
+ old_reuse = rcu_dereference_protected(sk->sk_reuseport_cb,
+ lockdep_is_held(&reuseport_lock));
+ if (old_reuse && old_reuse->num_socks != 1) {
+ spin_unlock_bh(&reuseport_lock);
+ return -EBUSY;
+ }

if (reuse->num_socks == reuse->max_socks) {
reuse = reuseport_grow(reuse);
@@ -134,19 +147,11 @@ int reuseport_add_sock(struct sock *sk, struct sock *sk2)

spin_unlock_bh(&reuseport_lock);

+ if (old_reuse)
+ call_rcu(&old_reuse->rcu, reuseport_free_rcu);
return 0;
}

-static void reuseport_free_rcu(struct rcu_head *head)
-{
- struct sock_reuseport *reuse;
-
- reuse = container_of(head, struct sock_reuseport, rcu);
- if (reuse->prog)
- bpf_prog_destroy(reuse->prog);
- kfree(reuse);
-}
-
void reuseport_detach_sock(struct sock *sk)
{
struct sock_reuseport *reuse;
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 013fed55b610..fbeb35ad804b 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -386,7 +386,11 @@ static struct sk_buff *igmpv3_newpack(struct net_device *dev, unsigned int mtu)
pip->frag_off = htons(IP_DF);
pip->ttl = 1;
pip->daddr = fl4.daddr;
+
+ rcu_read_lock();
pip->saddr = igmpv3_get_srcaddr(dev, &fl4);
+ rcu_read_unlock();
+
pip->protocol = IPPROTO_IGMP;
pip->tot_len = 0; /* filled in later */
ip_select_ident(net, skb, NULL);
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index b47a59cb3573..0cc08c512202 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -475,7 +475,6 @@ struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern)
}
spin_unlock_bh(&queue->fastopenq.lock);
}
- mem_cgroup_sk_alloc(newsk);
out:
release_sock(sk);
if (req)
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 2a65d806b562..fe11128d7df4 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2379,6 +2379,12 @@ int tcp_disconnect(struct sock *sk, int flags)

WARN_ON(inet->inet_num && !icsk->icsk_bind_hash);

+ if (sk->sk_frag.page) {
+ put_page(sk->sk_frag.page);
+ sk->sk_frag.page = NULL;
+ sk->sk_frag.offset = 0;
+ }
+
sk->sk_error_report(sk);
return err;
}
diff --git a/net/ipv4/tcp_bbr.c b/net/ipv4/tcp_bbr.c
index 8322f26e770e..25c5a0b60cfc 100644
--- a/net/ipv4/tcp_bbr.c
+++ b/net/ipv4/tcp_bbr.c
@@ -481,7 +481,8 @@ static void bbr_advance_cycle_phase(struct sock *sk)

bbr->cycle_idx = (bbr->cycle_idx + 1) & (CYCLE_LEN - 1);
bbr->cycle_mstamp = tp->delivered_mstamp;
- bbr->pacing_gain = bbr_pacing_gain[bbr->cycle_idx];
+ bbr->pacing_gain = bbr->lt_use_bw ? BBR_UNIT :
+ bbr_pacing_gain[bbr->cycle_idx];
}

/* Gain cycling: cycle pacing gain to converge to fair share of available bw. */
@@ -490,8 +491,7 @@ static void bbr_update_cycle_phase(struct sock *sk,
{
struct bbr *bbr = inet_csk_ca(sk);

- if ((bbr->mode == BBR_PROBE_BW) && !bbr->lt_use_bw &&
- bbr_is_next_cycle_phase(sk, rs))
+ if (bbr->mode == BBR_PROBE_BW && bbr_is_next_cycle_phase(sk, rs))
bbr_advance_cycle_phase(sk);
}

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index c5318f5f6a14..6a76e41e6d51 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -184,7 +184,8 @@ static struct rt6_info *addrconf_get_prefix_route(const struct in6_addr *pfx,

static void addrconf_dad_start(struct inet6_ifaddr *ifp);
static void addrconf_dad_work(struct work_struct *w);
-static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id);
+static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id,
+ bool send_na);
static void addrconf_dad_run(struct inet6_dev *idev);
static void addrconf_rs_timer(unsigned long data);
static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
@@ -3825,12 +3826,17 @@ static void addrconf_dad_begin(struct inet6_ifaddr *ifp)
idev->cnf.accept_dad < 1) ||
!(ifp->flags&IFA_F_TENTATIVE) ||
ifp->flags & IFA_F_NODAD) {
+ bool send_na = false;
+
+ if (ifp->flags & IFA_F_TENTATIVE &&
+ !(ifp->flags & IFA_F_OPTIMISTIC))
+ send_na = true;
bump_id = ifp->flags & IFA_F_TENTATIVE;
ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
spin_unlock(&ifp->lock);
read_unlock_bh(&idev->lock);

- addrconf_dad_completed(ifp, bump_id);
+ addrconf_dad_completed(ifp, bump_id, send_na);
return;
}

@@ -3959,16 +3965,21 @@ static void addrconf_dad_work(struct work_struct *w)
}

if (ifp->dad_probes == 0) {
+ bool send_na = false;
+
/*
* DAD was successful
*/

+ if (ifp->flags & IFA_F_TENTATIVE &&
+ !(ifp->flags & IFA_F_OPTIMISTIC))
+ send_na = true;
bump_id = ifp->flags & IFA_F_TENTATIVE;
ifp->flags &= ~(IFA_F_TENTATIVE|IFA_F_OPTIMISTIC|IFA_F_DADFAILED);
spin_unlock(&ifp->lock);
write_unlock_bh(&idev->lock);

- addrconf_dad_completed(ifp, bump_id);
+ addrconf_dad_completed(ifp, bump_id, send_na);

goto out;
}
@@ -4006,7 +4017,8 @@ static bool ipv6_lonely_lladdr(struct inet6_ifaddr *ifp)
return true;
}

-static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id)
+static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id,
+ bool send_na)
{
struct net_device *dev = ifp->idev->dev;
struct in6_addr lladdr;
@@ -4038,6 +4050,16 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp, bool bump_id)
if (send_mld)
ipv6_mc_dad_complete(ifp->idev);

+ /* send unsolicited NA if enabled */
+ if (send_na &&
+ (ifp->idev->cnf.ndisc_notify ||
+ dev_net(dev)->ipv6.devconf_all->ndisc_notify)) {
+ ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifp->addr,
+ /*router=*/ !!ifp->idev->cnf.forwarding,
+ /*solicited=*/ false, /*override=*/ true,
+ /*inc_opt=*/ true);
+ }
+
if (send_rs) {
/*
* If a host as already performed a random delay
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index bcbd5f3bf8bd..9ccbf74deb99 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -284,6 +284,7 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
struct net *net = sock_net(sk);
__be32 v4addr = 0;
unsigned short snum;
+ bool saved_ipv6only;
int addr_type = 0;
int err = 0;

@@ -389,19 +390,21 @@ int inet6_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
if (!(addr_type & IPV6_ADDR_MULTICAST))
np->saddr = addr->sin6_addr;

+ saved_ipv6only = sk->sk_ipv6only;
+ if (addr_type != IPV6_ADDR_ANY && addr_type != IPV6_ADDR_MAPPED)
+ sk->sk_ipv6only = 1;
+
/* Make sure we are allowed to bind here. */
if ((snum || !inet->bind_address_no_port) &&
sk->sk_prot->get_port(sk, snum)) {
+ sk->sk_ipv6only = saved_ipv6only;
inet_reset_saddr(sk);
err = -EADDRINUSE;
goto out;
}

- if (addr_type != IPV6_ADDR_ANY) {
+ if (addr_type != IPV6_ADDR_ANY)
sk->sk_userlocks |= SOCK_BINDADDR_LOCK;
- if (addr_type != IPV6_ADDR_MAPPED)
- sk->sk_ipv6only = 1;
- }
if (snum)
sk->sk_userlocks |= SOCK_BINDPORT_LOCK;
inet->inet_sport = htons(inet->inet_num);
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index f5500f5444e9..e1060f28410d 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -496,6 +496,7 @@ static void *ipmr_mfc_seq_start(struct seq_file *seq, loff_t *pos)
return ERR_PTR(-ENOENT);

it->mrt = mrt;
+ it->cache = NULL;
return *pos ? ipmr_mfc_seq_idx(net, seq->private, *pos - 1)
: SEQ_START_TOKEN;
}
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 266a530414d7..2a937c8d19e9 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -558,6 +558,11 @@ static void ndisc_send_unsol_na(struct net_device *dev)

read_lock_bh(&idev->lock);
list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ /* skip tentative addresses until dad completes */
+ if (ifa->flags & IFA_F_TENTATIVE &&
+ !(ifa->flags & IFA_F_OPTIMISTIC))
+ continue;
+
ndisc_send_na(dev, &in6addr_linklocal_allnodes, &ifa->addr,
/*router=*/ !!idev->cnf.forwarding,
/*solicited=*/ false, /*override=*/ true,
diff --git a/scripts/package/Makefile b/scripts/package/Makefile
index 34de8b953ecf..348af5b20618 100644
--- a/scripts/package/Makefile
+++ b/scripts/package/Makefile
@@ -50,7 +50,6 @@ rpm-pkg rpm: FORCE
$(CONFIG_SHELL) $(MKSPEC) >$(objtree)/kernel.spec
$(call cmd,src_tar,$(KERNELPATH),kernel.spec)
+rpmbuild $(RPMOPTS) --target $(UTS_MACHINE) -ta $(KERNELPATH).tar.gz
- rm $(KERNELPATH).tar.gz kernel.spec

# binrpm-pkg
# ---------------------------------------------------------------------------
@@ -59,7 +58,8 @@ binrpm-pkg: FORCE
$(CONFIG_SHELL) $(MKSPEC) prebuilt > $(objtree)/binkernel.spec
+rpmbuild $(RPMOPTS) --define "_builddir $(objtree)" --target \
$(UTS_MACHINE) -bb $(objtree)/binkernel.spec
- rm binkernel.spec
+
+clean-files += $(objtree)/*.spec

# Deb target
# ---------------------------------------------------------------------------
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