Merge 4.4.100 into android-4.4

Changes in 4.4.100
	media: imon: Fix null-ptr-deref in imon_probe
	media: dib0700: fix invalid dvb_detach argument
	ext4: fix data exposure after a crash
	KVM: x86: fix singlestepping over syscall
	bpf: don't let ldimm64 leak map addresses on unprivileged
	xen-blkback: don't leak stack data via response ring
	sctp: do not peel off an assoc from one netns to another one
	net: cdc_ether: fix divide by 0 on bad descriptors
	net: qmi_wwan: fix divide by 0 on bad descriptors
	arm: crypto: reduce priority of bit-sliced AES cipher
	Bluetooth: btusb: fix QCA Rome suspend/resume
	dmaengine: dmatest: warn user when dma test times out
	extcon: palmas: Check the parent instance to prevent the NULL
	fm10k: request reset when mbx->state changes
	ARM: dts: Fix compatible for ti81xx uarts for 8250
	ARM: dts: Fix am335x and dm814x scm syscon to probe children
	ARM: OMAP2+: Fix init for multiple quirks for the same SoC
	ARM: dts: Fix omap3 off mode pull defines
	ata: ATA_BMDMA should depend on HAS_DMA
	ata: SATA_HIGHBANK should depend on HAS_DMA
	ata: SATA_MV should depend on HAS_DMA
	drm/sti: sti_vtg: Handle return NULL error from devm_ioremap_nocache
	igb: reset the PHY before reading the PHY ID
	igb: close/suspend race in netif_device_detach
	igb: Fix hw_dbg logging in igb_update_flash_i210
	scsi: ufs-qcom: Fix module autoload
	scsi: ufs: add capability to keep auto bkops always enabled
	staging: rtl8188eu: fix incorrect ERROR tags from logs
	scsi: lpfc: Add missing memory barrier
	scsi: lpfc: FCoE VPort enable-disable does not bring up the VPort
	scsi: lpfc: Correct host name in symbolic_name field
	scsi: lpfc: Correct issue leading to oops during link reset
	scsi: lpfc: Clear the VendorVersion in the PLOGI/PLOGI ACC payload
	ALSA: vx: Don't try to update capture stream before running
	ALSA: vx: Fix possible transfer overflow
	backlight: lcd: Fix race condition during register
	backlight: adp5520: Fix error handling in adp5520_bl_probe()
	gpu: drm: mgag200: mgag200_main:- Handle error from pci_iomap
	ALSA: hda/realtek - Add new codec ID ALC299
	arm64: dts: NS2: reserve memory for Nitro firmware
	ixgbe: fix AER error handling
	ixgbe: handle close/suspend race with netif_device_detach/present
	ixgbe: Reduce I2C retry count on X550 devices
	ixgbe: add mask for 64 RSS queues
	ixgbe: do not disable FEC from the driver
	staging: rtl8712: fixed little endian problem
	MIPS: End asm function prologue macros with .insn
	mm: add PHYS_PFN, use it in __phys_to_pfn()
	MIPS: init: Ensure bootmem does not corrupt reserved memory
	MIPS: init: Ensure reserved memory regions are not added to bootmem
	MIPS: Netlogic: Exclude netlogic,xlp-pic code from XLR builds
	Revert "crypto: xts - Add ECB dependency"
	Revert "uapi: fix linux/rds.h userspace compilation errors"
	uapi: fix linux/rds.h userspace compilation error
	uapi: fix linux/rds.h userspace compilation errors
	USB: usbfs: compute urb->actual_length for isochronous
	USB: Add delay-init quirk for Corsair K70 LUX keyboards
	USB: serial: qcserial: add pid/vid for Sierra Wireless EM7355 fw update
	USB: serial: garmin_gps: fix I/O after failed probe and remove
	USB: serial: garmin_gps: fix memory leak on probe errors
	Linux 4.4.100

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 73eec73ff733..7f0f689b8d2b 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -4453,6 +4453,10 @@ int sctp_do_peeloff(struct sock *sk, sctp_assoc_t id, struct socket **sockp)
 	struct socket *sock;
 	int err = 0;
 
+	/* Do not peel off from one netns to another one. */
+	if (!net_eq(current->nsproxy->net_ns, sock_net(sk)))
+		return -EINVAL;
+
 	if (!asoc)
 		return -EINVAL;