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Lokesh Gidra 37cd0575b8 userfaultfd: add UFFD_USER_MODE_ONLY 
Patch series "Control over userfaultfd kernel-fault handling", v6.

This patch series is split from [1].  The other series enables SELinux
support for userfaultfd file descriptors so that its creation and movement
can be controlled.

It has been demonstrated on various occasions that suspending kernel code
execution for an arbitrary amount of time at any access to userspace
memory (copy_from_user()/copy_to_user()/...) can be exploited to change
the intended behavior of the kernel.  For instance, handling page faults
in kernel-mode using userfaultfd has been exploited in [2, 3].  Likewise,
FUSE, which is similar to userfaultfd in this respect, has been exploited
in [4, 5] for similar outcome.

This small patch series adds a new flag to userfaultfd(2) that allows
callers to give up the ability to handle kernel-mode faults with the
resulting UFFD file object.  It then adds a 'user-mode only' option to the
unprivileged_userfaultfd sysctl knob to require unprivileged callers to
use this new flag.

The purpose of this new interface is to decrease the chance of an
unprivileged userfaultfd user taking advantage of userfaultfd to enhance
security vulnerabilities by lengthening the race window in kernel code.

[1] https://lore.kernel.org/lkml/20200211225547.235083-1-dancol@google.com/
[2] https://duasynt.com/blog/linux-kernel-heap-spray
[3] https://duasynt.com/blog/cve-2016-6187-heap-off-by-one-exploit
[4] https://googleprojectzero.blogspot.com/2016/06/exploiting-recursion-in-linux-kernel_20.html
[5] https://bugs.chromium.org/p/project-zero/issues/detail?id=808

This patch (of 2):

userfaultfd handles page faults from both user and kernel code.  Add a new
UFFD_USER_MODE_ONLY flag for userfaultfd(2) that makes the resulting
userfaultfd object refuse to handle faults from kernel mode, treating
these faults as if SIGBUS were always raised, causing the kernel code to
fail with EFAULT.

A future patch adds a knob allowing administrators to give some processes
the ability to create userfaultfd file objects only if they pass
UFFD_USER_MODE_ONLY, reducing the likelihood that these processes will
exploit userfaultfd's ability to delay kernel page faults to open timing
windows for future exploits.

Link: https://lkml.kernel.org/r/20201120030411.2690816-1-lokeshgidra@google.com
Link: https://lkml.kernel.org/r/20201120030411.2690816-2-lokeshgidra@google.com
Signed-off-by: Daniel Colascione <dancol@google.com>
Signed-off-by: Lokesh Gidra <lokeshgidra@google.com>
Reviewed-by: Andrea Arcangeli <aarcange@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: <calin@google.com>
Cc: Daniel Colascione <dancol@dancol.org>
Cc: Eric Biggers <ebiggers@kernel.org>
Cc: Iurii Zaikin <yzaikin@google.com>
Cc: Jeff Vander Stoep <jeffv@google.com>
Cc: Jerome Glisse <jglisse@redhat.com>
Cc: "Joel Fernandes (Google)" <joel@joelfernandes.org>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Kalesh Singh <kaleshsingh@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Mel Gorman <mgorman@techsingularity.net>
Cc: Mike Rapoport <rppt@linux.vnet.ibm.com>
Cc: Nitin Gupta <nigupta@nvidia.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: Shaohua Li <shli@fb.com>
Cc: Stephen Smalley <stephen.smalley.work@gmail.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-12-15 12:13:46 -08:00
..
android android: binder.h: drop a duplicated word 2020-07-23 09:35:36 +02:00
byteorder
caif net: caif: drop duplicate words in comments 2020-07-15 20:34:11 -07:00
can can: isotp: implement cleanups / improvements from review 2020-10-12 10:06:08 +02:00
cifs
dvb
genwqe
hdlc
hsi
iio iio: add IIO_MOD_O2 modifier 2020-08-22 10:53:12 +01:00
isdn
mmc mmc: fix compilation of user API 2020-05-28 11:22:14 +02:00
netfilter uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
netfilter_arp
netfilter_bridge uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
netfilter_ipv4
netfilter_ipv6
nfsd
raid raid: md_p.h: drop duplicated word in a comment 2020-07-21 22:05:32 -07:00
sched
spi spi: uapi: spidev: Use TABs for alignment 2020-06-15 16:03:38 +01:00
sunrpc
tc_act net/sched: act_mpls: Add action to push MPLS LSE before Ethernet header 2020-10-03 17:28:45 -07:00
tc_ematch
usb include/: replace HTTP links with HTTPS ones 2020-08-12 10:57:59 -07:00
wimax
a.out.h
acct.h
adb.h
adfs_fs.h
affs_hardblocks.h
agpgart.h
aio_abi.h
am437x-vpfe.h
apm_bios.h
arcfb.h
arm_sdei.h
aspeed-lpc-ctrl.h
aspeed-p2a-ctrl.h
atalk.h
atm.h
atm_eni.h
atm_he.h
atm_idt77105.h
atm_nicstar.h
atm_tcp.h
atm_zatm.h
atmapi.h
atmarp.h
atmbr2684.h
atmclip.h
atmdev.h
atmioc.h atm: Replace HTTP links with HTTPS ones 2020-07-13 17:01:44 -07:00
atmlec.h
atmmpc.h
atmppp.h
atmsap.h
atmsvc.h
audit.h audit: report audit wait metric in audit status reply 2020-07-21 11:21:44 -04:00
auto_dev-ioctl.h autofs: fix doubled word 2020-08-12 10:58:00 -07:00
auto_fs.h
auto_fs4.h
auxvec.h
ax25.h
batadv_packet.h batman-adv: Fix typos and grammar in documentation 2020-06-26 10:36:30 +02:00
batman_adv.h batman-adv: Introduce a configurable per interface hop penalty 2020-06-26 10:37:11 +02:00
baycom.h
bcache.h bcache: add bucket_size_hi into struct cache_sb_disk for large bucket 2020-07-25 07:38:21 -06:00
bcm933xx_hcs.h
bfs_fs.h
binfmts.h
blkpg.h
blktrace_api.h
blkzoned.h block: fix uapi blkzoned.h comments 2020-10-09 12:47:02 -06:00
bpf.h bpf: Fix enum names for bpf_this_cpu_ptr() and bpf_per_cpu_ptr() helpers 2020-12-11 14:19:07 -08:00
bpf_common.h
bpf_perf_event.h
bpfilter.h
bpqether.h
bsg.h
bt-bmc.h
btf.h
btrfs.h btrfs: add metadata_uuid to FS_INFO ioctl 2020-07-27 12:55:43 +02:00
btrfs_tree.h btrfs: tree-checker: fix false alert caused by legacy btrfs root item 2020-10-07 12:13:23 +02:00
can.h
capability.h block: grant IOPRIO_CLASS_RT to CAP_SYS_NICE 2020-09-01 19:38:33 -06:00
capi.h
cciss_defs.h
cciss_ioctl.h
cdrom.h block: scsi_ioctl: Avoid the use of one-element arrays 2020-10-02 17:58:52 -06:00
cec-funcs.h
cec.h
cgroupstats.h
chio.h
close_range.h close_range: add CLOSE_RANGE_UNSHARE 2020-06-17 00:07:38 +02:00
cm4000_cs.h
cn_proc.h
coda.h
coff.h
connector.h
const.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
coresight-stm.h coresight: stm: Support marked packet 2020-09-17 18:46:04 +02:00
cramfs_fs.h
cryptouser.h
cuda.h
cyclades.h
cycx_cfm.h
dcbnl.h
dccp.h
devlink.h devlink: Fix reload stats structure 2020-11-24 13:04:04 -08:00
dlm.h
dlm_device.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
dlm_netlink.h
dlm_plock.h
dlmconstants.h
dm-ioctl.h dm: export dm_copy_name_and_uuid 2020-10-01 15:03:40 -04:00
dm-log-userspace.h
dma-buf.h dma-buf: Fix SET_NAME ioctl uapi 2020-04-27 16:29:41 +05:30
dma-heap.h
dn.h
dns_resolver.h
dqblk_xfs.h quota: Expand comment describing d_itimer 2020-09-10 09:10:06 +02:00
edd.h
efs_fs_sb.h
elf-em.h
elf-fdpic.h
elf.h arm64: mte: ptrace: Add NT_ARM_TAGGED_ADDR_CTRL regset 2020-09-04 12:46:07 +01:00
errno.h
errqueue.h icmp: support rfc 4884 2020-07-19 19:20:22 -07:00
erspan.h
ethtool.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
ethtool_netlink.h Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-09-22 16:45:34 -07:00
eventpoll.h
fadvise.h
falloc.h
fanotify.h fanotify: add support for FAN_REPORT_NAME 2020-07-27 23:24:00 +02:00
fb.h drm/fb-helper: Fix vt restore 2020-06-24 21:34:11 +02:00
fcntl.h vfs: add faccessat2 syscall 2020-05-14 16:44:25 +02:00
fd.h floppy: suppress UBSAN warning in setup_rw_floppy() 2020-05-12 19:34:57 +03:00
fdreg.h floppy: add references to 82077's extra registers 2020-05-12 19:34:52 +03:00
fib_rules.h
fiemap.h A lot of bug fixes and cleanups for ext4, including: 2020-06-05 16:19:28 -07:00
filter.h
firewire-cdev.h firewire: firewire-cdev.hL get rid of a docs warning 2020-04-20 15:45:41 -06:00
firewire-constants.h
fou.h
fpga-dfl.h fpga: dfl: afu: add AFU interrupt support 2020-07-06 21:37:08 -07:00
fs.h fs/ext4: Introduce DAX inode flag 2020-05-28 22:09:47 -04:00
fscrypt.h fscrypt: make "#define fscrypt_policy" user-only 2020-09-22 06:48:44 -07:00
fsi.h
fsl_hypervisor.h
fsmap.h
fsverity.h
fuse.h fuse: add submount support to <uapi/linux/fuse.h> 2020-09-18 15:17:40 +02:00
futex.h
gameport.h
gen_stats.h
genetlink.h genetlink: allow dumping command-specific policy 2020-10-03 14:18:29 -07:00
gfs2_ondisk.h gfs2: Keep track of deleted inode generations in LVBs 2020-06-05 20:19:20 +02:00
gpio.h gpio: uapi: clarify the meaning of 'empty' char arrays 2020-10-28 15:46:47 +01:00
gsmmux.h
gtp.h gtp: add notification mechanism 2020-08-27 08:01:47 -07:00
hash_info.h
hdlc.h
hdlcdrv.h
hdreg.h
hid.h
hiddev.h
hidraw.h
hpet.h
hsr_netlink.h hsr: enhance netlink socket interface to support PRP 2020-07-27 12:20:40 -07:00
hw_breakpoint.h
hyperv.h hyperv: hyperv.h: drop a duplicated word 2020-07-23 17:55:20 +00:00
i2c-dev.h
i2c.h
i2o-dev.h
i8k.h
icmp.h icmp: support rfc 4884 2020-07-19 19:20:22 -07:00
icmpv6.h ICMPv6: Add ICMPv6 Parameter Problem, code 3 definition 2020-10-31 13:16:02 -07:00
idxd.h Merge branch 'for-linus' into fixes 2020-08-05 19:02:07 +05:30
if.h net: Add IF_OPER_TESTING 2020-04-20 12:43:24 -07:00
if_addr.h
if_addrlabel.h
if_alg.h crypto: af_alg - add extra parameters for DRBG interface 2020-09-25 17:48:52 +10:00
if_arcnet.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
if_arp.h
if_bonding.h
if_bridge.h net: bridge: mcast: add support for blocked port groups 2020-09-23 13:24:34 -07:00
if_cablemodem.h
if_eql.h
if_ether.h bridge: uapi: mrp: Add mrp attributes. 2020-04-27 11:40:25 -07:00
if_fc.h
if_fddi.h
if_frad.h
if_hippi.h
if_infiniband.h
if_link.h net: remove comments on struct rtnl_link_stats 2020-09-17 17:58:13 -07:00
if_ltalk.h
if_macsec.h macsec: Netlink support of XPN cipher suites (IEEE 802.1AEbw) 2020-03-16 01:42:31 -07:00
if_packet.h
if_phonet.h
if_plip.h
if_ppp.h
if_pppol2tp.h l2tp: remove tunnel and session debug flags field 2020-08-22 12:44:37 -07:00
if_pppox.h
if_slip.h
if_team.h
if_tun.h
if_tunnel.h
if_vlan.h
if_x25.h docs: networking: convert x25-iface.txt to ReST 2020-05-01 12:24:40 -07:00
if_xdp.h xsk: Add new statistics 2020-07-13 15:32:56 -07:00
ife.h
igmp.h
ila.h
in.h net: Fix some comments 2020-08-27 07:55:59 -07:00
in6.h icmp6: support rfc 4884 2020-07-24 17:12:41 -07:00
in_route.h
inet_diag.h ip: expose inet sockopts through inet_diag 2020-09-03 15:17:28 -07:00
inotify.h
input-event-codes.h Input: allocate keycode for Fn + right shift 2020-09-08 16:31:14 -07:00
input.h
io_uring.h io_uring: provide IORING_ENTER_SQ_WAIT for SQPOLL SQ ring waits 2020-09-30 20:32:33 -06:00
ioctl.h
iommu.h iommu/vt-d: Check UAPI data processed by IOMMU core 2020-10-01 14:52:46 +02:00
ip.h
ip6_tunnel.h
ip_vs.h
ipc.h
ipmi.h
ipmi_bmc.h
ipmi_msgdefs.h ipmi:msghandler: retry to get device id on an error 2020-09-15 09:57:45 -05:00
ipsec.h
ipv6.h net: ipv6: add support for rpl sr exthdr 2020-03-29 22:30:57 -07:00
ipv6_route.h
ipx.h
irqnr.h
iso_fs.h
isst_if.h platform/x86: ISST: drop a duplicated word in isst_if.h 2020-07-27 16:34:12 +03:00
ivtv.h
ivtvfb.h
jffs2.h
joystick.h
kcm.h
kcmp.h
kcov.h
kd.h
kdev_t.h
kernel-page-flags.h
kernel.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
kernelcapi.h
kexec.h
keyboard.h
keyctl.h watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
kfd_ioctl.h include/uapi/linux: Fix indentation in kfd_smi_event enum 2020-08-31 14:40:29 -04:00
kvm.h kvm: x86: only provide PV features if enabled in guest's CPUID 2020-10-21 17:36:32 -04:00
kvm_para.h
l2tp.h l2tp: report rx cookie discards in netlink get 2020-09-29 13:26:36 -07:00
libc-compat.h
lightnvm.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
limits.h
lirc.h
llc.h
loop.h loop: Add LOOP_CONFIGURE ioctl 2020-05-21 08:20:35 -06:00
lp.h
lwtunnel.h net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
magic.h /dev/mem: Revoke mappings when a driver claims the region 2020-05-27 11:10:05 +02:00
major.h
map_to_7segment.h include/: replace HTTP links with HTTPS ones 2020-08-12 10:57:59 -07:00
matroxfb.h
max2175.h
mdio.h net: phy: add USXGMII link partner ability constants 2020-07-19 18:05:49 -07:00
media-bus-format.h media: v4l: Add 1X14 14-bit greyscale media bus code definition 2020-03-20 09:01:16 +01:00
media.h
mei.h mei: add connect with vtag ioctl 2020-08-18 15:44:44 +02:00
membarrier.h rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ 2020-09-25 14:23:27 +02:00
memfd.h
mempolicy.h
meye.h
mii.h ethtool: provide UAPI for PHY master/slave configuration. 2020-05-06 17:45:45 -07:00
minix_fs.h
mman.h powerpc/8xx: Support 16k hugepages with 4k pages 2020-09-15 22:13:31 +10:00
mmtimer.h
module.h
mount.h Add a "nosymfollow" mount option. 2020-08-27 16:06:47 -04:00
mpls.h
mpls_iptunnel.h
mptcp.h mptcp: add MPTCP socket diag interface 2020-07-09 12:38:41 -07:00
mqueue.h
mroute.h ipmr: Add high byte of VIF ID to igmpmsg 2020-09-10 12:25:51 -07:00
mroute6.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
mrp_bridge.h bridge: uapi: mrp: Extend MRP attributes for MRP interconnect 2020-07-14 13:46:42 -07:00
msdos_fs.h
msg.h
mtio.h
n_r3964.h
nbd-netlink.h
nbd.h
ncsi.h
ndctl.h ACPI: NFIT: Define runtime firmware activation commands 2020-07-25 19:34:47 -06:00
neighbour.h net: bridge: add a flag to avoid refreshing fdb when changing/adding 2020-06-24 14:36:33 -07:00
net.h
net_dropmon.h uapi: revert flexible-array conversions 2020-05-04 11:30:15 -05:00
net_namespace.h
net_tstamp.h ethtool: add timestamping related string sets 2020-03-29 22:32:36 -07:00
netconf.h
netdevice.h
netfilter.h netfilter: restore NF_INET_NUMHOOKS 2020-10-14 20:28:05 -07:00
netfilter_arp.h
netfilter_bridge.h
netfilter_decnet.h
netfilter_ipv4.h
netfilter_ipv6.h
netlink.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
netlink_diag.h
netrom.h
nexthop.h nexthop: support for fdb ecmp nexthops 2020-05-22 14:00:38 -07:00
nfc.h
nfs.h
nfs2.h
nfs3.h
nfs4.h NFSv4.2: support EXCHGID4_FLAG_SUPP_FENCE_OPS 4.2 EXCHANGE_ID flag 2020-10-16 09:28:43 -04:00
nfs4_mount.h
nfs_fs.h NFSv4.2: add client side xattr caching. 2020-07-13 17:52:46 -04:00
nfs_idmap.h
nfs_mount.h
nfsacl.h NFSACL: Replace PROC() macro with open code 2020-10-02 09:37:41 -04:00
nilfs2_api.h
nilfs2_ondisk.h
nitro_enclaves.h nitro_enclaves: Add ioctl interface definition 2020-09-22 13:58:40 +02:00
nl80211.h nl80211: extend support to config spatial reuse parameter set 2020-09-28 15:07:41 +02:00
nsfs.h
nubus.h
nvme_ioctl.h
nvram.h
omap3isp.h
omapfb.h
oom.h
openat2.h
openvswitch.h net: openvswitch: fix TTL decrement action netlink message format 2020-11-27 11:03:06 -08:00
packet_diag.h
param.h
parport.h
patchkey.h
pci.h
pci_regs.h Merge branch 'remotes/lorenzo/pci/dwc' 2020-10-21 09:58:39 -05:00
pcitest.h misc: pci_endpoint_test: Add ioctl to clear IRQ 2020-04-02 17:57:10 +01:00
perf_event.h perf: correct SNOOPX field offset 2020-10-19 19:39:22 +02:00
personality.h
pfkeyv2.h
pg.h
phantom.h
phonet.h
pidfd.h pidfd: support PIDFD_NONBLOCK in pidfd_open() 2020-09-04 12:34:50 +02:00
pkt_cls.h net/sched: cls_flower: Add hash info to flow classification 2020-07-24 15:23:31 -07:00
pkt_sched.h net: sched: sch_red: Add qevents "early_drop" and "mark" 2020-06-29 17:08:28 -07:00
pktcdvd.h
pmu.h
poll.h
posix_acl.h
posix_acl_xattr.h
posix_types.h
ppdev.h
ppp-comp.h
ppp-ioctl.h
ppp_defs.h
pps.h
pr.h
prctl.h arm64: mte: Allow user control of the generated random tags via prctl() 2020-09-04 12:46:07 +01:00
psample.h net: psample: Add tunnel support 2020-05-21 17:04:07 -07:00
psci.h
psp-sev.h crypto: ccp - Add support for SEV-ES to the PSP driver 2020-04-30 15:19:33 +10:00
ptp_clock.h ptp: introduce a phase offset in the periodic output request 2020-07-19 19:22:56 -07:00
ptrace.h
qemu_fw_cfg.h
qnx4_fs.h
qnxtypes.h
qrtr.h
quota.h
radeonfb.h
random.h
raw.h char: raw: do not leak CONFIG_MAX_RAW_DEVS to userspace 2020-07-10 14:50:51 +02:00
rds.h rds: transport module should be auto loaded when transport is set 2020-06-25 16:26:25 -07:00
reboot.h
reiserfs_fs.h
reiserfs_xattr.h
remoteproc_cdev.h remoteproc: Add remoteproc character device interface 2020-08-04 20:16:37 -07:00
resource.h
rfkill.h
rio_cm_cdev.h
rio_mport_cdev.h
romfs_fs.h
rose.h
route.h
rpl.h include: uapi: linux: add rpl sr header definition 2020-03-29 22:30:57 -07:00
rpl_iptunnel.h net: ipv6: add rpl sr tunnel 2020-03-29 22:30:57 -07:00
rpmsg.h
rseq.h
rtc.h rtc: add new VL flag for backup switchover 2020-05-11 16:04:35 +02:00
rtnetlink.h bridge: Extend br_fill_ifinfo to return MPR status 2020-07-02 14:19:15 -07:00
rxrpc.h rxrpc: Fix accept on a connection that need securing 2020-10-05 16:35:57 +01:00
scc.h
sched.h clone3: allow spawning processes into cgroups 2020-02-12 17:57:51 -05:00
scif_ioctl.h
screen_info.h
sctp.h
sdla.h
seccomp.h seccomp: Introduce addfd ioctl to seccomp user notifier 2020-07-14 16:29:42 -07:00
securebits.h
sed-opal.h
seg6.h
seg6_genl.h
seg6_hmac.h
seg6_iptunnel.h seg6_iptunnel: Refactor seg6_lwt_headroom out of uapi header 2020-08-03 17:57:40 -07:00
seg6_local.h
selinux_netlink.h
sem.h
serial.h
serial_core.h serial: Remove duplicated macro definition of port type 2020-07-06 14:06:08 +02:00
serial_reg.h
serio.h Input: avoid BIT() macro usage in the serio.h UAPI header 2020-03-24 15:59:34 -07:00
shm.h
signal.h
signalfd.h
smc.h
smc_diag.h
smiapp.h
snmp.h tcp: skip DSACKs with dubious sequence ranges 2020-09-24 20:15:45 -07:00
sock_diag.h bpf: INET_DIAG support in bpf_sk_storage 2020-02-27 18:50:19 -08:00
socket.h
sockios.h
sonet.h
sonypi.h
sound.h
soundcard.h
stat.h uapi: fix statx attribute value overlap for DAX & MOUNT_ROOT 2020-12-03 10:03:14 -08:00
stddef.h
stm.h
string.h
suspend_ioctls.h
swab.h include/uapi/linux/swab.h: fix userspace breakage, use __BITS_PER_LONG for swap 2020-02-21 11:22:15 -08:00
switchtec_ioctl.h
sync_file.h
synclink.h
sysctl.h uapi: move constants from <linux/kernel.h> to <linux/const.h> 2020-12-15 12:13:36 -08:00
sysinfo.h
target_core_user.h scsi: target: tcmu: Implement tmr_notify callback 2020-07-28 22:25:30 -04:00
taskstats.h
tcp.h tcp: add earliest departure time to SCM_TIMESTAMPING_OPT_STATS 2020-07-31 17:00:44 -07:00
tcp_metrics.h
tee.h driver: tee: Handle NULL pointer indication from client 2020-08-21 08:55:13 +02:00
termios.h
thermal.h thermal: core: genetlink support for events/cmd/sampling 2020-07-07 15:55:21 +02:00
time.h y2038: hide timeval/timespec/itimerval/itimerspec types 2020-02-21 11:22:15 -08:00
time_types.h
timerfd.h
times.h
timex.h
tiocl.h
tipc.h tipc: add automatic rekeying for encryption key 2020-09-18 13:58:37 -07:00
tipc_config.h
tipc_netlink.h tipc: add automatic rekeying for encryption key 2020-09-18 13:58:37 -07:00
tipc_sockets_diag.h
tls.h
toshiba.h
tty.h
tty_flags.h
types.h include/: replace HTTP links with HTTPS ones 2020-08-12 10:57:59 -07:00
udf_fs_i.h
udmabuf.h
udp.h
uhid.h
uinput.h
uio.h
uleds.h
ultrasound.h
um_timetravel.h um: Implement time-travel=ext 2020-03-29 23:29:08 +02:00
un.h
unistd.h
unix_diag.h
usbdevice_fs.h
usbip.h
userfaultfd.h userfaultfd: add UFFD_USER_MODE_ONLY 2020-12-15 12:13:46 -08:00
userio.h
utime.h
utsname.h
uuid.h
uvcvideo.h
v4l2-common.h
v4l2-controls.h media: v4l2-ctrl: Add VP9 codec levels 2020-09-14 15:39:42 +02:00
v4l2-dv-timings.h
v4l2-mediabus.h media: v4l2: extend the CSC API to subdevice. 2020-09-26 10:22:29 +02:00
v4l2-subdev.h media: v4l2: extend the CSC API to subdevice. 2020-09-26 10:22:29 +02:00
vbox_err.h
vbox_vmmdev_types.h virt: vbox: Add a few new vmmdev request types to the userspace whitelist 2020-07-10 13:45:32 +02:00
vboxguest.h virt: vbox: Add support for the new VBG_IOCTL_ACQUIRE_GUEST_CAPABILITIES ioctl 2020-07-10 13:45:32 +02:00
veth.h
vfio.h Merge branches 'v5.10/vfio/fsl-mc-v6' and 'v5.10/vfio/zpci-info-v3' into v5.10/vfio/next 2020-10-12 11:41:02 -06:00
vfio_ccw.h vfio-ccw: Introduce a new CRW region 2020-06-03 11:27:43 +02:00
vfio_zdev.h vfio: Introduce capability definitions for VFIO_DEVICE_GET_INFO 2020-10-07 14:23:44 -06:00
vhost.h vhost: vdpa: report iova range 2020-10-23 11:55:28 -04:00
vhost_types.h vhost: vdpa: report iova range 2020-10-23 11:55:28 -04:00
videodev2.h Linux 5.9-rc7 2020-10-04 12:19:12 +02:00
virtio_9p.h virtio_9p: correct tags for config space fields 2020-08-05 09:30:19 -04:00
virtio_balloon.h virtio_balloon: correct tags for config space fields 2020-08-05 09:30:20 -04:00
virtio_blk.h virtio_blk: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_config.h virtio: VIRTIO_F_IOMMU_PLATFORM -> VIRTIO_F_ACCESS_PLATFORM 2020-08-03 16:11:42 -04:00
virtio_console.h virtio_console: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_crypto.h virtio_crypto: correct tags for config space fields 2020-08-05 11:08:39 -04:00
virtio_fs.h virtiofs: set up virtio_fs dax_device 2020-09-10 11:39:22 +02:00
virtio_gpu.h Linux 5.9-rc1 2020-08-18 14:14:25 +02:00
virtio_ids.h virtio-mem: Paravirtualized memory hotplug 2020-06-04 15:36:52 -04:00
virtio_input.h virtio_input: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_iommu.h virtio_iommu: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_mem.h virtio_mem: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_mmio.h virtio: Implement get_shm_region for MMIO transport 2020-09-10 10:05:58 +02:00
virtio_net.h virtio_net: use LE accessors for speed/duplex 2020-08-05 11:08:41 -04:00
virtio_pci.h virtio: Implement get_shm_region for PCI transport 2020-09-10 10:05:58 +02:00
virtio_pmem.h virtio_pmem: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_ring.h virtio: force spec specified alignment on types 2020-06-02 02:45:13 -04:00
virtio_rng.h
virtio_scsi.h virtio_scsi: correct tags for config space fields 2020-08-05 11:08:40 -04:00
virtio_types.h
virtio_vsock.h
vm_sockets.h
vm_sockets_diag.h
vmcore.h
vsockmon.h
vt.h
vtpm_proxy.h
wait.h
watch_queue.h watch_queue: Add a key/keyring notification facility 2020-05-19 15:19:06 +01:00
watchdog.h
wimax.h
wireguard.h
wireless.h net/wireless: wireless.h: drop duplicate word in comments 2020-07-31 09:24:23 +02:00
wmi.h
x25.h
xattr.h ext4: support xattr gnu.* namespace for the Hurd 2020-06-12 13:23:34 -04:00
xdp_diag.h xsk: Add xdp statistics to xsk_diag 2020-07-13 15:32:56 -07:00
xfrm.h xfrm: introduce oseq-may-wrap flag 2020-06-24 07:51:01 +02:00
xilinx-v4l2-controls.h
zorro.h
zorro_ids.h