Pull vfs fixes from Al Viro:
"Fairly old DIO bug caught by Andreas (3.10+) and several slightly
younger blk_rq_map_user_iov() bugs, both on map and copy codepaths
(Vitaly and me)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
bio_copy_user_iov(): don't ignore ->iov_offset
more bio_map_user_iov() leak fixes
fix unbalanced page refcounting in bio_map_user_iov
direct-io: Prevent NULL pointer access in submit_page_section
Since "block: support large requests in blk_rq_map_user_iov" we
started to call it with partially drained iter; that works fine
on the write side, but reads create a copy of iter for completion
time. And that needs to take the possibility of ->iov_iter != 0
into account...
Cc: stable@vger.kernel.org #v4.5+
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
we need to take care of failure exit as well - pages already
in bio should be dropped by analogue of bio_unmap_pages(),
since their refcounts had been bumped only once per reference
in bio.
Cc: stable@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
bio_map_user_iov and bio_unmap_user do unbalanced pages refcounting if
IO vector has small consecutive buffers belonging to the same page.
bio_add_pc_page merges them into one, but the page reference is never
dropped.
Cc: stable@vger.kernel.org
Signed-off-by: Vitaly Mayatskikh <v.mayatskih@gmail.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
In the code added to function submit_page_section by commit b1058b981,
sdio->bio can currently be NULL when calling dio_bio_submit. This then
leads to a NULL pointer access in dio_bio_submit, so check for a NULL
bio in submit_page_section before trying to submit it instead.
Fixes xfstest generic/250 on gfs2.
Cc: stable@vger.kernel.org # v3.10+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Merge tag 'seccomp-v4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux
Pull seccomp fixlet from Kees Cook:
"Minor seccomp fix for v4.14-rc5. I debated sending this at all for
v4.14, but since it fixes a minor issue in the prior fix, which also
went to -stable, it seemed better to just get all of it cleaned up
right now.
- fix missed "static" to avoid Sparse warning (Colin King)"
* tag 'seccomp-v4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
seccomp: make function __get_seccomp_filter static
file. (I was weirdly flattered by the idea that lots of random people
suddenly seemed to think Jeff and I were VFS experts. Turns out it was
just a typo.)
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Merge tag 'nfsd-4.14-1' of git://linux-nfs.org/~bfields/linux
Pull nfsd fix from Bruce Fields:
"One fix for a 4.14 regression, and one minor fix to the MAINTAINERs
file. (I was weirdly flattered by the idea that lots of random people
suddenly seemed to think Jeff and I were VFS experts. Turns out it was
just a typo)"
* tag 'nfsd-4.14-1' of git://linux-nfs.org/~bfields/linux:
nfsd4: define nfsd4_secinfo_no_name_release()
MAINTAINERS: associate linux/fs.h with VFS instead of file locking
The function __get_seccomp_filter is local to the source and does
not need to be in global scope, so make it static.
Cleans up sparse warning:
symbol '__get_seccomp_filter' was not declared. Should it be static?
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Fixes: 66a733ea6b ("seccomp: fix the usage of get/put_seccomp_filter() in seccomp_get_filter()")
Cc: stable@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
This contains one bug fix which causes a kernel panic during fstrim introduced
in 4.14-rc1.
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Merge tag 'f2fs-for-4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs
Pull f2fs fix from Jaegeuk Kim:
"This contains one bug fix which causes a kernel panic during fstrim
introduced in 4.14-rc1"
* tag 'f2fs-for-4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs:
f2fs: fix potential panic during fstrim
This update consists of:
- fix for x86: sysret_ss_attrs test build failure preventing the x86
tests from running.
- fix mqueue: fix regression in silencing test run output.
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Merge tag 'linux-kselftest-4.14-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- fix for x86: sysret_ss_attrs test build failure preventing the x86
tests from running
- fix mqueue: fix regression in silencing test run output
* tag 'linux-kselftest-4.14-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: mqueue: fix regression in silencing output from RUN_TESTS
selftests: x86: sysret_ss_attrs doesn't build on a PIE build
Merge powerpc transactional memory fixes from Michael Ellerman:
"I figured I'd still send you the commits using a bundle to make sure
it works in case I need to do it again in future"
This fixes transactional memory state restore for powerpc.
* bundle'd patches from Michael Ellerman:
powerpc/tm: Fix illegal TM state in signal handler
powerpc/64s: Use emergency stack for kernel TM Bad Thing program checks
Pull networking fixes from David Miller:
1) Fix object leak on IPSEC offload failure, from Steffen Klassert.
2) Fix range checks in ipset address range addition operations, from
Jozsef Kadlecsik.
3) Fix pernet ops unregistration order in ipset, from Florian Westphal.
4) Add missing netlink attribute policy for nl80211 packet pattern
attrs, from Peng Xu.
5) Fix PPP device destruction race, from Guillaume Nault.
6) Write marks get lost when BPF verifier processes R1=R2 register
assignments, causing incorrect liveness information and less state
pruning. Fix from Alexei Starovoitov.
7) Fix blockhole routes so that they are marked dead and therefore not
cached in sockets, otherwise IPSEC stops working. From Steffen
Klassert.
8) Fix broadcast handling of UDP socket early demux, from Paolo Abeni.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (37 commits)
cdc_ether: flag the u-blox TOBY-L2 and SARA-U2 as wwan
net: thunderx: mark expected switch fall-throughs in nicvf_main()
udp: fix bcast packet reception
netlink: do not set cb_running if dump's start() errs
ipv4: Fix traffic triggered IPsec connections.
ipv6: Fix traffic triggered IPsec connections.
ixgbe: incorrect XDP ring accounting in ethtool tx_frame param
net: ixgbe: Use new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag
Revert commit 1a8b6d76dc ("net:add one common config...")
ixgbe: fix masking of bits read from IXGBE_VXLANCTRL register
ixgbe: Return error when getting PHY address if PHY access is not supported
netfilter: xt_bpf: Fix XT_BPF_MODE_FD_PINNED mode of 'xt_bpf_info_v1'
netfilter: SYNPROXY: skip non-tcp packet in {ipv4, ipv6}_synproxy_hook
tipc: Unclone message at secondary destination lookup
tipc: correct initialization of skb list
gso: fix payload length when gso_size is zero
mlxsw: spectrum_router: Avoid expensive lookup during route removal
bpf: fix liveness marking
doc: Fix typo "8023.ad" in bonding documentation
ipv6: fix net.ipv6.conf.all.accept_dad behaviour for real
...
The u-blox TOBY-L2 is a LTE Cat 4 module with HSPA+ and 2G fallback.
This module allows switching to different USB profiles with the
'AT+UUSBCONF' command, and provides a ECM network interface when the
'AT+UUSBCONF=2' profile is selected.
The u-blox SARA-U2 is a HSPA module with 2G fallback. The default USB
configuration includes a ECM network interface.
Both these modules are controlled via AT commands through one of the
TTYs exposed. Connecting these modules may be done just by activating
the desired PDP context with 'AT+CGACT=1,<cid>' and then running DHCP
on the ECM interface.
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.
Cc: Sunil Goutham <sgoutham@cavium.com>
Cc: Robert Richter <rric@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: netdev@vger.kernel.org
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree,
they are:
1) Fix packet drops due to incorrect ECN handling in IPVS, from Vadim
Fedorenko.
2) Fix splat with mark restoration in xt_socket with non-full-sock,
patch from Subash Abhinov Kasiviswanathan.
3) ipset bogusly bails out when adding IPv4 range containing more than
2^31 addresses, from Jozsef Kadlecsik.
4) Incorrect pernet unregistration order in ipset, from Florian Westphal.
5) Races between dump and swap in ipset results in BUG_ON splats, from
Ross Lagerwall.
6) Fix chain renames in nf_tables, from JingPiao Chen.
7) Fix race in pernet codepath with ebtables table registration, from
Artem Savkov.
8) Memory leak in error path in set name allocation in nf_tables, patch
from Arvind Yadav.
9) Don't dump chain counters if they are not available, this fixes a
crash when listing the ruleset.
10) Fix out of bound memory read in strlcpy() in x_tables compat code,
from Eric Dumazet.
11) Make sure we only process TCP packets in SYNPROXY hooks, patch from
Lin Zhang.
12) Cannot load rules incrementally anymore after xt_bpf with pinned
objects, added in revision 1. From Shmulik Ladkani.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Kirsher says:
====================
Intel Wired LAN Driver Updates 2017-10-09
This series contains updates to ixgbe and arch/Kconfig.
Mark fixes a case where PHY register access is not supported and we were
returning a PHY address, when we should have been returning -EOPNOTSUPP.
Sabrina Dubroca fixes the use of a logical "and" when it should have been
the bitwise "and" operator.
Ding Tianhong reverts the commit that added the Kconfig bool option
ARCH_WANT_RELAX_ORDER, since there is now a new flag
PCI_DEV_FLAGS_NO_RELAXED_ORDERING that has been added to indicate that
Relaxed Ordering Attributes should not be used for Transaction Layer
Packets. Then follows up with making the needed changes to ixgbe to
use the new PCI_DEV_FLAGS_NO_RELAXED_ORDERING flag.
John Fastabend fixes an issue in the ring accounting when the transmit
ring parameters are changed via ethtool when an XDP program is attached.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The commit bc044e8db7 ("udp: perform source validation for
mcast early demux") does not take into account that broadcast packets
lands in the same code path and they need different checks for the
source address - notably, zero source address are valid for bcast
and invalid for mcast.
As a result, 2nd and later broadcast packets with 0 source address
landing to the same socket are dropped. This breaks dhcp servers.
Since we don't have stringent performance requirements for ingress
broadcast traffic, fix it by disabling UDP early demux such traffic.
Reported-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Fixes: bc044e8db7 ("udp: perform source validation for mcast early demux")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
It turns out that multiple places can call netlink_dump(), which means
it's still possible to dereference partially initialized values in
dump() that were the result of a faulty returned start().
This fixes the issue by calling start() _before_ setting cb_running to
true, so that there's no chance at all of hitting the dump() function
through any indirect paths.
It also moves the call to start() to be when the mutex is held. This has
the nice side effect of serializing invocations to start(), which is
likely desirable anyway. It also prevents any possible other races that
might come out of this logic.
In testing this with several different pieces of tricky code to trigger
these issues, this commit fixes all avenues that I'm aware of.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Reviewed-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'mac80211-for-davem-2017-10-09' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
Johannes Berg says:
====================
pull-request: mac80211 2017-10-09
The QCA folks found another netlink problem - we were missing validation
of some attributes. It's not super problematic since one can only read a
few bytes beyond the message (and that memory must exist), but here's the
fix for it.
I thought perhaps we can make nla_parse_nested() require a policy, but
given the two-stage validation/parsing in regular netlink that won't work.
Please pull and let me know if there's any problem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Steffen Klassert says:
====================
pull request (net): ipsec 2017-10-09
1) Fix some error paths of the IPsec offloading API.
2) Fix a NULL pointer dereference when IPsec is used
with vti. From Alexey Kodanev.
3) Don't call xfrm_policy_cache_flush under xfrm_state_lock,
it triggers several locking warnings. From Artem Savkov.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
A recent patch removed the dst_free() on the allocated
dst_entry in ipv4_blackhole_route(). The dst_free() marked the
dst_entry as dead and added it to the gc list. I.e. it was setup
for a one time usage. As a result we may now have a blackhole
route cached at a socket on some IPsec scenarios. This makes the
connection unusable.
Fix this by marking the dst_entry directly at allocation time
as 'dead', so it is used only once.
Fixes: b838d5e1c5 ("ipv4: mark DST_NOGC and remove the operation of dst_free()")
Reported-by: Tobias Brunner <tobias@strongswan.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A recent patch removed the dst_free() on the allocated
dst_entry in ipv6_blackhole_route(). The dst_free() marked
the dst_entry as dead and added it to the gc list. I.e. it
was setup for a one time usage. As a result we may now have
a blackhole route cached at a socket on some IPsec scenarios.
This makes the connection unusable.
Fix this by marking the dst_entry directly at allocation time
as 'dead', so it is used only once.
Fixes: 587fea7411 ("ipv6: mark DST_NOGC and remove the operation of dst_free()")
Reported-by: Tobias Brunner <tobias@strongswan.org>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Changing the TX ring parameters with an XDP program attached may
cause the XDP queues to be cleared and the TX rings to be incorrectly
configured.
Fix by doing correct ring accounting in setup call.
Fixes: 33fdc82f08 ("ixgbe: add support for XDP_TX action")
Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The ixgbe driver use the compile check to determine if it can
send TLPs to Root Port with the Relaxed Ordering Attribute set,
this is too inconvenient, now the new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING
has been added to the kernel and we could check the bit4 in the PCIe
Device Control register to determine whether we should use the Relaxed
Ordering Attributes or not, so use this new way in the ixgbe driver.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Acked-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The new flag PCI_DEV_FLAGS_NO_RELAXED_ORDERING has been added
to indicate that Relaxed Ordering Attributes (RO) should not
be used for Transaction Layer Packets (TLP) targeted toward
these affected Root Port, it will clear the bit4 in the PCIe
Device Control register, so the PCIe device drivers could
query PCIe configuration space to determine if it can send
TLPs to Root Port with the Relaxed Ordering Attributes set.
With this new flag we don't need the config ARCH_WANT_RELAX_ORDER
to control the Relaxed Ordering Attributes for the ixgbe drivers
just like the commit 1a8b6d76dc ("net:add one common config...") did,
so revert this commit.
Signed-off-by: Ding Tianhong <dingtianhong@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In ixgbe_clear_udp_tunnel_port(), we read the IXGBE_VXLANCTRL register
and then try to mask some bits out of the value, using the logical
instead of bitwise and operator.
Fixes: a21d0822ff ("ixgbe: add support for geneve Rx offload")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In cases where PHY register access is not supported, don't mislead
a caller into thinking that it is supported by returning a PHY
address. Instead, return -EOPNOTSUPP when PHY access is not
supported.
Signed-off-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Commit 2c16d60332 ("netfilter: xt_bpf: support ebpf") introduced
support for attaching an eBPF object by an fd, with the
'bpf_mt_check_v1' ABI expecting the '.fd' to be specified upon each
IPT_SO_SET_REPLACE call.
However this breaks subsequent iptables calls:
# iptables -A INPUT -m bpf --object-pinned /sys/fs/bpf/xxx -j ACCEPT
# iptables -A INPUT -s 5.6.7.8 -j ACCEPT
iptables: Invalid argument. Run `dmesg' for more information.
That's because iptables works by loading existing rules using
IPT_SO_GET_ENTRIES to userspace, then issuing IPT_SO_SET_REPLACE with
the replacement set.
However, the loaded 'xt_bpf_info_v1' has an arbitrary '.fd' number
(from the initial "iptables -m bpf" invocation) - so when 2nd invocation
occurs, userspace passes a bogus fd number, which leads to
'bpf_mt_check_v1' to fail.
One suggested solution [1] was to hack iptables userspace, to perform a
"entries fixup" immediatley after IPT_SO_GET_ENTRIES, by opening a new,
process-local fd per every 'xt_bpf_info_v1' entry seen.
However, in [2] both Pablo Neira Ayuso and Willem de Bruijn suggested to
depricate the xt_bpf_info_v1 ABI dealing with pinned ebpf objects.
This fix changes the XT_BPF_MODE_FD_PINNED behavior to ignore the given
'.fd' and instead perform an in-kernel lookup for the bpf object given
the provided '.path'.
It also defines an alias for the XT_BPF_MODE_FD_PINNED mode, named
XT_BPF_MODE_PATH_PINNED, to better reflect the fact that the user is
expected to provide the path of the pinned object.
Existing XT_BPF_MODE_FD_ELF behavior (non-pinned fd mode) is preserved.
References: [1] https://marc.info/?l=netfilter-devel&m=150564724607440&w=2
[2] https://marc.info/?l=netfilter-devel&m=150575727129880&w=2
Reported-by: Rafael Buchbinder <rafi@rbk.ms>
Signed-off-by: Shmulik Ladkani <shmulik.ladkani@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
In function {ipv4,ipv6}_synproxy_hook we expect a normal tcp packet, but
the real server maybe reply an icmp error packet related to the exist
tcp conntrack, so we will access wrong tcp data.
Fix it by checking for the protocol field and only process tcp traffic.
Signed-off-by: Lin Zhang <xiaolou4617@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
When a bundling message is received, the function tipc_link_input()
calls function tipc_msg_extract() to unbundle all inner messages of
the bundling message before adding them to input queue.
The function tipc_msg_extract() just clones all inner skb for all
inner messagges from the bundling skb. This means that the skb
headroom of an inner message overlaps with the data part of the
preceding message in the bundle.
If the message in question is a name addressed message, it may be
subject to a secondary destination lookup, and eventually be sent out
on one of the interfaces again. But, since what is perceived as headroom
by the device driver in reality is the last bytes of the preceding
message in the bundle, the latter will be overwritten by the MAC
addresses of the L2 header. If the preceding message has not yet been
consumed by the user, it will evenually be delivered with corrupted
contents.
This commit fixes this by uncloning all messages passing through the
function tipc_msg_lookup_dest(), hence ensuring that the headroom
is always valid when the message is passed on.
Signed-off-by: Tung Nguyen <tung.q.nguyen@dektech.com.au>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We change the initialization of the skb transmit buffer queues
in the functions tipc_bcast_xmit() and tipc_rcast_xmit() to also
initialize their spinlocks. This is needed because we may, during
error conditions, need to call skb_queue_purge() on those queues
further down the stack.
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When gso_size reset to zero for the tail segment in skb_segment(), later
in ipv6_gso_segment(), __skb_udp_tunnel_segment() and gre_gso_segment()
we will get incorrect results (payload length, pcsum) for that segment.
inet_gso_segment() already has a check for gso_size before calculating
payload.
The issue was found with LTP vxlan & gre tests over ixgbe NIC.
Fixes: 07b26c9454 ("gso: Support partial splitting at the frag_list pointer")
Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit fc922bb0dd ("mlxsw: spectrum_router: Use one LPM tree for
all virtual routers") I increased the scale of supported VRFs by having
all of them share the same LPM tree.
In order to avoid look-ups for prefix lengths that don't exist, each
route removal would trigger an aggregation across all the active virtual
routers to see which prefix lengths are in use and which aren't and
structure the tree accordingly.
With the way the data structures are currently laid out, this is a very
expensive operation. When preformed repeatedly - due to the invocation
of the abort mechanism - and with enough VRFs, this can result in a hung
task.
For now, avoid this optimization until it can be properly re-added in
net-next.
Fixes: fc922bb0dd ("mlxsw: spectrum_router: Use one LPM tree for all virtual routers")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Reported-by: David Ahern <dsa@cumulusnetworks.com>
Tested-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
while processing Rx = Ry instruction the verifier does
regs[insn->dst_reg] = regs[insn->src_reg]
which often clears write mark (when Ry doesn't have it)
that was just set by check_reg_arg(Rx) prior to the assignment.
That causes mark_reg_read() to keep marking Rx in this block as
REG_LIVE_READ (since the logic incorrectly misses that it's
screened by the write) and in many of its parents (until lucky
write into the same Rx or beginning of the program).
That causes is_state_visited() logic to miss many pruning opportunities.
Furthermore mark_reg_read() logic propagates the read mark
for BPF_REG_FP as well (though it's readonly) which causes
harmless but unnecssary work during is_state_visited().
Note that do_propagate_liveness() skips FP correctly,
so do the same in mark_reg_read() as well.
It saves 0.2 seconds for the test below
program before after
bpf_lb-DLB_L3.o 2604 2304
bpf_lb-DLB_L4.o 11159 3723
bpf_lb-DUNKNOWN.o 1116 1110
bpf_lxc-DDROP_ALL.o 34566 28004
bpf_lxc-DUNKNOWN.o 53267 39026
bpf_netdev.o 17843 16943
bpf_overlay.o 8672 7929
time ~11 sec ~4 sec
Fixes: dc503a8ad9 ("bpf/verifier: track liveness for pruning")
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Edward Cree <ecree@solarflare.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Should be "802.3ad" like everywhere else in the document.
Signed-off-by: Axel Beckert <abe@deuxchevaux.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 35e015e1f5 ("ipv6: fix net.ipv6.conf.all interface DAD handlers")
was intended to affect accept_dad flag handling in such a way that
DAD operation and mode on a given interface would be selected
according to the maximum value of conf/{all,interface}/accept_dad.
However, addrconf_dad_begin() checks for particular cases in which we
need to skip DAD, and this check was modified in the wrong way.
Namely, it was modified so that, if the accept_dad flag is 0 for the
given interface *or* for all interfaces, DAD would be skipped.
We have instead to skip DAD if accept_dad is 0 for the given interface
*and* for all interfaces.
Fixes: 35e015e1f5 ("ipv6: fix net.ipv6.conf.all interface DAD handlers")
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Reported-by: Erik Kline <ek@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A couple of serious fixes (use after free and blacklist for WRITE
SAME). One error leg fix (write_pending failure) and one user
experience problem (do not override max_sectors_kb) and one minor
unused function removal.
Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
- a couple of serious fixes: use after free and blacklist for WRITE
SAME
- one error leg fix: write_pending failure
- one user experience problem: do not override max_sectors_kb
- one minor unused function removal
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ibmvscsis: Fix write_pending failure path
scsi: libiscsi: Remove iscsi_destroy_session
scsi: libiscsi: Fix use-after-free race during iscsi_session_teardown
scsi: sd: Do not override max_sectors_kb sysfs setting
scsi: sd: Implement blacklist option for WRITE SAME w/ UNMAP
Pull i2c fixes from Wolfram Sang:
"I2C has three driver fixes for the newly introduced drivers and one ID
addition for the i801 driver"
* 'i2c/for-current-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: i2c-stm32f7: make structure stm32f7_setup static const
i2c: ensure termination of *_device_id tables
i2c: i801: Add support for Intel Cedar Fork
i2c: stm32f7: fix setup structure
- Fix driver strength selection when selecting hs400es
- Delete bounce buffer handling:
This change fixes a problem related to how bounce buffers are being
allocated. However, instead of trying to fix that, let's just remove
the mmc bounce buffer code altogether, as it has practically no use.
MMC host:
- meson-gx: A couple of fixes related to clock/phase/tuning
- sdhci-xenon: Fix clock resource by adding an optional bus clock
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Merge tag 'mmc-v4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
Pull MMC fixes from Ulf Hansson:
"MMC core:
- Fix driver strength selection when selecting hs400es
- Delete bounce buffer handling:
This change fixes a problem related to how bounce buffers are being
allocated. However, instead of trying to fix that, let's just
remove the mmc bounce buffer code altogether, as it has practically
no use.
MMC host:
- meson-gx: A couple of fixes related to clock/phase/tuning
- sdhci-xenon: Fix clock resource by adding an optional bus clock"
* tag 'mmc-v4.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc:
mmc: sdhci-xenon: Fix clock resource by adding an optional bus clock
mmc: meson-gx: include tx phase in the tuning process
mmc: meson-gx: fix rx phase reset
mmc: meson-gx: make sure the clock is rounded down
mmc: Delete bounce buffer handling
mmc: core: add driver strength selection when selecting hs400es
- Suspend fix for Samsung Exynos SoCs where we need to keep clks on
across suspend
- Two critical clk markings for clks that shouldn't ever turn off on
Rockchip SoCs
- A fix for a copy-paste mistake on Rockchip rk3128 causing some clks to
touch the same bit and trample over one another
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Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
Pull clk fixes from Stephen Boyd:
- build fix to export the clk_bulk_prepare() symbol
- suspend fix for Samsung Exynos SoCs where we need to keep clks on
across suspend
- two critical clk markings for clks that shouldn't ever turn off on
Rockchip SoCs
- a fix for a copy-paste mistake on Rockchip rk3128 causing some clks
to touch the same bit and trample over one another
* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
clk: samsung: exynos4: Enable VPLL and EPLL clocks for suspend/resume cycle
clk: Export clk_bulk_prepare()
clk: rockchip: add sclk_timer5 as critical clock on rk3128
clk: rockchip: fix up rk3128 pvtm and mipi_24m gate regs error
clk: rockchip: add pclk_pmu as critical clock on rk3128
- Updates for various platforms
- boot log updates for upcoming HS48 family of cores (dual issue)
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Merge tag 'arc-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC udpates from Vineet Gupta:
- updates for various platforms
- boot log updates for upcoming HS48 family of cores (dual issue)
* tag 'arc-4.14-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARC: [plat-hsdk]: Add reset controller node to manage ethernet reset
ARC: [plat-hsdk]: Temporary fix to set CPU frequency to 1GHz
ARC: fix allnoconfig build warning
ARCv2: boot log: identify HS48 cores (dual issue)
ARC: boot log: decontaminate ARCv2 ISA_CONFIG register
arc: remove redundant UTS_MACHINE define in arch/arc/Makefile
ARC: [plat-eznps] Update platform maintainer as Noam left
ARC: [plat-hsdk] use actual clk driver to manage cpu clk
ARC: [*defconfig] Reenable soft lock-up detector
ARC: [plat-axs10x] sdio: Temporary fix of sdio ciu frequency
ARC: [plat-hsdk] sdio: Temporary fix of sdio ciu frequency
ARC: [plat-axs103] Add temporary quirk to reset ethernet IP
Pull block fixes from Jens Axboe:
"A collection of fixes for this series. This contains:
- NVMe pull request from Christoph, one uuid attribute fix, and one
fix for the controller memory buffer address for remapped BARs.
- use-after-free fix for bsg, from Benjamin Block.
- bcache race/use-after-free fix for a list traversal, fixing a
regression in this merge window. From Coly Li.
- null_blk change configfs dependency change from a 'depends' to a
'select'. This is a change from this merge window as well. From me.
- nbd signal fix from Josef, fixing a regression introduced with the
status code changes.
- nbd MAINTAINERS mailing list entry update.
- blk-throttle stall fix from Joseph Qi.
- blk-mq-debugfs fix from Omar, fixing an issue where we don't
register the IO scheduler debugfs directory, if the driver is
loaded with it. Only shows up if you switch through the sysfs
interface"
* 'for-linus' of git://git.kernel.dk/linux-block:
bsg-lib: fix use-after-free under memory-pressure
nvme-pci: Use PCI bus address for data/queues in CMB
blk-mq-debugfs: fix device sched directory for default scheduler
null_blk: change configfs dependency to select
blk-throttle: fix possible io stall when upgrade to max
MAINTAINERS: update list for NBD
nbd: fix -ERESTARTSYS handling
nvme: fix visibility of "uuid" ns attribute
bcache: use llist_for_each_entry_safe() in __closure_wake_up()
- Bring initialisation of user space undefined instruction handling
early (core_initcall) since late_initcall() happens after modprobe in
initramfs is invoked. Similar fix for fpsimd initialisation
- Increase the kernel stack when KASAN is enabled
- Bring the PCI ACS enabling earlier via the
iort_init_platform_devices()
- Fix misleading data abort address printing (decimal vs hex)
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Bring initialisation of user space undefined instruction handling
early (core_initcall) since late_initcall() happens after modprobe in
initramfs is invoked. Similar fix for fpsimd initialisation
- Increase the kernel stack when KASAN is enabled
- Bring the PCI ACS enabling earlier via the
iort_init_platform_devices()
- Fix misleading data abort address printing (decimal vs hex)
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Ensure fpsimd support is ready before userspace is active
arm64: Ensure the instruction emulation is ready for userspace
arm64: Use larger stacks when KASAN is selected
ACPI/IORT: Fix PCI ACS enablement
arm64: fix misleading data abort decoding
- fix PPC XIVE interrupt delivery
- fix x86 RCU breakage from asynchronous page faults when built without
PREEMPT_COUNT
- fix x86 build with -frecord-gcc-switches
- fix x86 build without X86_LOCAL_APIC
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
- fix PPC XIVE interrupt delivery
- fix x86 RCU breakage from asynchronous page faults when built without
PREEMPT_COUNT
- fix x86 build with -frecord-gcc-switches
- fix x86 build without X86_LOCAL_APIC
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: add X86_LOCAL_APIC dependency
x86/kvm: Move kvm_fastop_exception to .fixup section
kvm/x86: Avoid async PF preempting the kernel incorrectly
KVM: PPC: Book3S: Fix server always zero from kvmppc_xive_get_xive()
- a fix for iwpm netlink usage
- a fix for error unwinding in mlx5
- two fixes to vlan handling in qedr
- a couple small i40iw fixes
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
Pull rdma fixes from Doug Ledford:
"This is a pretty small pull request. Only 6 patches in total. There
are no outstanding -rc patches on the mailing list after this pull
request, so only if some new issues are discovered in the remainder of
the rc cycles will you hear from me again.
Summary:
- a fix for iwpm netlink usage
- a fix for error unwinding in mlx5
- two fixes to vlan handling in qedr
- a couple small i40iw fixes"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma:
i40iw: Fix port number for query QP
i40iw: Add missing memory barriers
RDMA/qedr: Parse vlan priority as sl
RDMA/qedr: Parse VLAN ID correctly and ignore the value of zero
IB/mlx5: Fix label order in error path handling
RDMA/iwpm: Properly mark end of NL messages
