I noticed the "--version" option of the llvm-objcopy command has recently
disappeared from the master llvm branch. It is currently used as a BTF
support test in tools/testing/selftests/bpf/Makefile.
This patch replaces it with "--help" which should be
less error prone in the future.
Fixes: c0fa1b6c3e ("bpf: btf: Add BTF tests")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
We currently do not have such a test case in test_verifier selftests
but it's important to test under bpf_jit_enable=1 to make sure JIT
implementations do not mistakenly mess with src/dst reg for xadd/{w,dw}.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Pull networking fixes from David Miller:
"Lots of fixes, here goes:
1) NULL deref in qtnfmac, from Gustavo A. R. Silva.
2) Kernel oops when fw download fails in rtlwifi, from Ping-Ke Shih.
3) Lost completion messages in AF_XDP, from Magnus Karlsson.
4) Correct bogus self-assignment in rhashtable, from Rishabh
Bhatnagar.
5) Fix regression in ipv6 route append handling, from David Ahern.
6) Fix masking in __set_phy_supported(), from Heiner Kallweit.
7) Missing module owner set in x_tables icmp, from Florian Westphal.
8) liquidio's timeouts are HZ dependent, fix from Nicholas Mc Guire.
9) Link setting fixes for sh_eth and ravb, from Vladimir Zapolskiy.
10) Fix NULL deref when using chains in act_csum, from Davide Caratti.
11) XDP_REDIRECT needs to check if the interface is up and whether the
MTU is sufficient. From Toshiaki Makita.
12) Net diag can do a double free when killing TCP_NEW_SYN_RECV
connections, from Lorenzo Colitti.
13) nf_defrag in ipv6 can unnecessarily hold onto dst entries for a
full minute, delaying device unregister. From Eric Dumazet.
14) Update MAC entries in the correct order in ixgbe, from Alexander
Duyck.
15) Don't leave partial mangles bpf program in jit_subprogs, from
Daniel Borkmann.
16) Fix pfmemalloc SKB state propagation, from Stefano Brivio.
17) Fix ACK handling in DCTCP congestion control, from Yuchung Cheng.
18) Use after free in tun XDP_TX, from Toshiaki Makita.
19) Stale ipv6 header pointer in ipv6 gre code, from Prashant Bhole.
20) Don't reuse remainder of RX page when XDP is set in mlx4, from
Saeed Mahameed.
21) Fix window probe handling of TCP rapair sockets, from Stefan
Baranoff.
22) Missing socket locking in smc_ioctl(), from Ursula Braun.
23) IPV6_ILA needs DST_CACHE, from Arnd Bergmann.
24) Spectre v1 fix in cxgb3, from Gustavo A. R. Silva.
25) Two spots in ipv6 do a rol32() on a hash value but ignore the
result. Fixes from Colin Ian King"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (176 commits)
tcp: identify cryptic messages as TCP seq # bugs
ptp: fix missing break in switch
hv_netvsc: Fix napi reschedule while receive completion is busy
MAINTAINERS: Drop inactive Vitaly Bordug's email
net: cavium: Add fine-granular dependencies on PCI
net: qca_spi: Fix log level if probe fails
net: qca_spi: Make sure the QCA7000 reset is triggered
net: qca_spi: Avoid packet drop during initial sync
ipv6: fix useless rol32 call on hash
ipv6: sr: fix useless rol32 call on hash
net: sched: Using NULL instead of plain integer
net: usb: asix: replace mii_nway_restart in resume path
net: cxgb3_main: fix potential Spectre v1
lib/rhashtable: consider param->min_size when setting initial table size
net/smc: reset recv timeout after clc handshake
net/smc: add error handling for get_user()
net/smc: optimize consumer cursor updates
net/nfc: Avoid stalls when nfc_alloc_send_skb() returned NULL.
ipv6: ila: select CONFIG_DST_CACHE
net: usb: rtl8150: demote allmulti message to dev_dbg()
...
Daniel Borkmann says:
====================
pull-request: bpf 2018-07-13
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix AF_XDP TX error reporting before final kernel release such that it
becomes consistent between copy mode and zero-copy, from Magnus.
2) Fix three different syzkaller reported issues: oob due to ld_abs
rewrite with too large offset, another oob in l3 based skb test run
and a bug leaving mangled prog in subprog JITing error path, from Daniel.
3) Fix BTF handling for bitfield extraction on big endian, from Okash.
4) Fix a missing linux/errno.h include in cgroup/BPF found by kbuild bot,
from Roman.
5) Fix xdp2skb_meta.sh sample by using just command names instead of
absolute paths for tc and ip and allow them to be redefined, from Taeung.
6) Fix availability probing for BPF seg6 helpers before final kernel ships
so they can be detected at prog load time, from Mathieu.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull rseq fixes from Ingo Molnar:
"Various rseq ABI fixes and cleanups: use get_user()/put_user(),
validate parameters and use proper uapi types, etc"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq/selftests: cleanup: Update comment above rseq_prepare_unload
rseq: Remove unused types_32_64.h uapi header
rseq: uapi: Declare rseq_cs field as union, update includes
rseq: uapi: Update uapi comments
rseq: Use get_user/put_user rather than __get_user/__put_user
rseq: Use __u64 for rseq_cs fields, validate user inputs
acpi_nfit_ctl is always set to a value. An incremental patch is provided
due to notice from testing in -next. The rest of the commits did not
exhibit issues.
* fix two fixes a return path in nsio_rw_bytes() that was not
returning "bytes remain" as expected for the function.
* fix three addresses an issue where applications polling on
scrub-completion for the NVDIMM may falsely wakeup and read the wrong
state value and cause hang.
* the test unit changed the persistent capability attribute to fix up a broken
assumption in the unit test infrastructure wrt the 'write_cache' attribute
* An output ratelimit to dev_info is introduced to the dax device
check_vma() function since this is easily triggered from userspace.
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Merge tag 'libnvdimm-fixes-4.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm fixes from Dave Jiang:
- ensure that a variable passed in by reference to acpi_nfit_ctl is
always set to a value. An incremental patch is provided due to notice
from testing in -next. The rest of the commits did not exhibit
issues.
- fix a return path in nsio_rw_bytes() that was not returning "bytes
remain" as expected for the function.
- address an issue where applications polling on scrub-completion for
the NVDIMM may falsely wakeup and read the wrong state value and
cause hang.
- change the test unit persistent capability attribute to fix up a
broken assumption in the unit test infrastructure wrt the
'write_cache' attribute
- ratelimit dev_info() in the dax device check_vma() function since
this is easily triggered from userspace
* tag 'libnvdimm-fixes-4.18-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
nfit: fix unchecked dereference in acpi_nfit_ctl
acpi, nfit: Fix scrub idle detection
tools/testing/nvdimm: advertise a write cache for nfit_test
acpi/nfit: fix cmd_rc for acpi_nfit_ctl to always return a value
dev-dax: check_vma: ratelimit dev_info-s
libnvdimm, pmem: Fix memcpy_mcsafe() return code handling in nsio_rw_bytes()
The udpgso benchmark compares various configurations of UDP and TCP.
Including one that is not upstream, udp zerocopy. This is a leftover
from the earlier RFC patchset.
The test is part of kselftests and run in continuous spinners. Remove
the failing case to make the test start passing.
Fixes: 3a687bef14 ("selftests: udp gso benchmark")
Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org>
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
sykzaller triggered several panics similar to the below:
[...]
[ 248.851531] BUG: KASAN: use-after-free in _copy_to_user+0x5c/0x90
[ 248.857656] Read of size 985 at addr ffff8808017ffff2 by task a.out/1425
[...]
[ 248.865902] CPU: 1 PID: 1425 Comm: a.out Not tainted 4.18.0-rc4+ #13
[ 248.865903] Hardware name: Supermicro SYS-5039MS-H12TRF/X11SSE-F, BIOS 2.1a 03/08/2018
[ 248.865905] Call Trace:
[ 248.865910] dump_stack+0xd6/0x185
[ 248.865911] ? show_regs_print_info+0xb/0xb
[ 248.865913] ? printk+0x9c/0xc3
[ 248.865915] ? kmsg_dump_rewind_nolock+0xe4/0xe4
[ 248.865919] print_address_description+0x6f/0x270
[ 248.865920] kasan_report+0x25b/0x380
[ 248.865922] ? _copy_to_user+0x5c/0x90
[ 248.865924] check_memory_region+0x137/0x190
[ 248.865925] kasan_check_read+0x11/0x20
[ 248.865927] _copy_to_user+0x5c/0x90
[ 248.865930] bpf_test_finish.isra.8+0x4f/0xc0
[ 248.865932] bpf_prog_test_run_skb+0x6a0/0xba0
[...]
After scrubbing the BPF prog a bit from the noise, turns out it called
bpf_skb_change_head() for the lwt_xmit prog with headroom of 2. Nothing
wrong in that, however, this was run with repeat >> 0 in bpf_prog_test_run_skb()
and the same skb thus keeps changing until the pskb_expand_head() called
from skb_cow() keeps bailing out in atomic alloc context with -ENOMEM.
So upon return we'll basically have 0 headroom left yet blindly do the
__skb_push() of 14 bytes and keep copying data from there in bpf_test_finish()
out of bounds. Fix to check if we have enough headroom and if pskb_expand_head()
fails, bail out with error.
Another bug independent of this fix (but related in triggering above) is
that BPF_PROG_TEST_RUN should be reworked to reset the skb/xdp buffer to
it's original state from input as otherwise repeating the same test in a
loop won't work for benchmarking when underlying input buffer is getting
changed by the prog each time and reused for the next run leading to
unexpected results.
Fixes: 1cf1cae963 ("bpf: introduce BPF_PROG_TEST_RUN command")
Reported-by: syzbot+709412e651e55ed96498@syzkaller.appspotmail.com
Reported-by: syzbot+54f39d6ab58f39720a55@syzkaller.appspotmail.com
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
rseq as it was merged does not have rseq_finish_*() in the user-space
selftests anymore. Update the rseq_prepare_unload() helper comment to
adapt to this reality.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-api@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Paul Turner <pjt@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Chris Lameter <cl@linux.com>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: https://lkml.kernel.org/r/20180709195155.7654-7-mathieu.desnoyers@efficios.com
Declaring the rseq_cs field as a union between __u64 and two __u32
allows both 32-bit and 64-bit kernels to read the full __u64, and
therefore validate that a 32-bit user-space cleared the upper 32
bits, thus ensuring a consistent behavior between native 32-bit
kernels and 32-bit compat tasks on 64-bit kernels.
Check that the rseq_cs value read is < TASK_SIZE.
The asm/byteorder.h header needs to be included by rseq.h, now
that it is not using linux/types_32_64.h anymore.
Considering that only __32 and __u64 types are declared in linux/rseq.h,
the linux/types.h header should always be included for both kernel and
user-space code: including stdint.h is just for u64 and u32, which are
not used in this header at all.
Use copy_from_user()/clear_user() to interact with a 64-bit field,
because arm32 does not implement 64-bit __get_user, and ppc32 does not
64-bit get_user. Considering that the rseq_cs pointer does not need to
be loaded/stored with single-copy atomicity from the kernel anymore, we
can simply use copy_from_user()/clear_user().
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-api@vger.kernel.org
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: "Paul E . McKenney" <paulmck@linux.vnet.ibm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Paul Turner <pjt@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Chris Lameter <cl@linux.com>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: https://lkml.kernel.org/r/20180709195155.7654-5-mathieu.desnoyers@efficios.com
NetworkManager likes to manage linklocal prefix routes and does so with
the NLM_F_APPEND flag, breaking attempts to simplify the IPv6 route
code and by extension enable multipath routes with device only nexthops.
Revert f34436a430 and these followup patches:
6eba08c362 ("ipv6: Only emit append events for appended routes").
ce45bded64 ("mlxsw: spectrum_router: Align with new route replace logic")
53b562df8c ("mlxsw: spectrum_router: Allow appending to dev-only routes")
Update the fib_tests cases to reflect the old behavior.
Fixes: f34436a430 ("net/ipv6: Simplify route replace and appending into multipath route")
Signed-off-by: David Ahern <dsahern@gmail.com>
Pull networking fixes from David Miller:
1) Verify netlink attributes properly in nf_queue, from Eric Dumazet.
2) Need to bump memory lock rlimit for test_sockmap bpf test, from
Yonghong Song.
3) Fix VLAN handling in lan78xx driver, from Dave Stevenson.
4) Fix uninitialized read in nf_log, from Jann Horn.
5) Fix raw command length parsing in mlx5, from Alex Vesker.
6) Cleanup loopback RDS connections upon netns deletion, from Sowmini
Varadhan.
7) Fix regressions in FIB rule matching during create, from Jason A.
Donenfeld and Roopa Prabhu.
8) Fix mpls ether type detection in nfp, from Pieter Jansen van Vuuren.
9) More bpfilter build fixes/adjustments from Masahiro Yamada.
10) Fix XDP_{TX,REDIRECT} flushing in various drivers, from Jesper
Dangaard Brouer.
11) fib_tests.sh file permissions were broken, from Shuah Khan.
12) Make sure BH/preemption is disabled in data path of mac80211, from
Denis Kenzior.
13) Don't ignore nla_parse_nested() return values in nl80211, from
Johannes berg.
14) Properly account sock objects ot kmemcg, from Shakeel Butt.
15) Adjustments to setting bpf program permissions to read-only, from
Daniel Borkmann.
16) TCP Fast Open key endianness was broken, it always took on the host
endiannness. Whoops. Explicitly make it little endian. From Yuching
Cheng.
17) Fix prefix route setting for link local addresses in ipv6, from
David Ahern.
18) Potential Spectre v1 in zatm driver, from Gustavo A. R. Silva.
19) Various bpf sockmap fixes, from John Fastabend.
20) Use after free for GRO with ESP, from Sabrina Dubroca.
21) Passing bogus flags to crypto_alloc_shash() in ipv6 SR code, from
Eric Biggers.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (87 commits)
qede: Adverstise software timestamp caps when PHC is not available.
qed: Fix use of incorrect size in memcpy call.
qed: Fix setting of incorrect eswitch mode.
qed: Limit msix vectors in kdump kernel to the minimum required count.
ipvlan: call dev_change_flags when ipvlan mode is reset
ipv6: sr: fix passing wrong flags to crypto_alloc_shash()
net: fix use-after-free in GRO with ESP
tcp: prevent bogus FRTO undos with non-SACK flows
bpf: sockhash, add release routine
bpf: sockhash fix omitted bucket lock in sock_close
bpf: sockmap, fix smap_list_map_remove when psock is in many maps
bpf: sockmap, fix crash when ipv6 sock is added
net: fib_rules: bring back rule_exists to match rule during add
hv_netvsc: split sub-channel setup into async and sync
net: use dev_change_tx_queue_len() for SIOCSIFTXQLEN
atm: zatm: Fix potential Spectre v1
s390/qeth: consistently re-enable device features
s390/qeth: don't clobber buffer on async TX completion
s390/qeth: avoid using is_multicast_ether_addr_64bits on (u8 *)[6]
s390/qeth: fix race when setting MAC address
...
Daniel Borkmann says:
====================
pull-request: bpf 2018-07-01
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) A bpf_fib_lookup() helper fix to change the API before freeze to
return an encoding of the FIB lookup result and return the nexthop
device index in the params struct (instead of device index as return
code that we had before), from David.
2) Various BPF JIT fixes to address syzkaller fallout, that is, do not
reject progs when set_memory_*() fails since it could still be RO.
Also arm32 JIT was not using bpf_jit_binary_lock_ro() API which was
an issue, and a memory leak in s390 JIT found during review, from
Daniel.
3) Multiple fixes for sockmap/hash to address most of the syzkaller
triggered bugs. Usage with IPv6 was crashing, a GPF in bpf_tcp_close(),
a missing sock_map_release() routine to hook up to callbacks, and a
fix for an omitted bucket lock in sock_close(), from John.
4) Two bpftool fixes to remove duplicated error message on program load,
and another one to close the libbpf object after program load. One
additional fix for nfp driver's BPF offload to avoid stopping offload
completely if replace of program failed, from Jakub.
5) Couple of BPF selftest fixes that bail out in some of the test
scripts if the user does not have the right privileges, from Jeffrin.
6) Fixes in test_bpf for s390 when CONFIG_BPF_JIT_ALWAYS_ON is set
where we need to set the flag that some of the test cases are expected
to fail, from Kleber.
7) Fix to detangle BPF_LIRC_MODE2 dependency from CONFIG_CGROUP_BPF
since it has no relation to it and lirc2 users often have configs
without cgroups enabled and thus would not be able to use it, from Sean.
8) Fix a selftest failure in sockmap by removing a useless setrlimit()
call that would set a too low limit where at the same time we are
already including bpf_rlimit.h that does the job, from Yonghong.
9) Fix BPF selftest config with missing missing NET_SCHED, from Anders.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 546eb0317c "libnvdimm, pmem: Do not flush power-fail protected CPU caches"
fixed the write_cache detection to correctly show the lack of a write
cache based on the platform capabilities described in the ACPI NFIT. The
nfit_test unit tests expected a write cache to be present, so change the
nfit test namespaces to only advertise a persistence domain limited to
the memory controller. This allows the kernel to show a write_cache
attribute, and the test behaviour remains unchanged.
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
fib_tests.sh became non-executable at some point. This is
what happens:
selftests: net: fib_tests.sh: Warning: file fib_tests.sh is
not executable, correct this.
not ok 1..11 selftests: net: fib_tests.sh [FAIL]
Fixes: d69faad765 ("selftests: fib_tests: Add prefix route tests with metric")
Signed-off-by: Daniel Díaz <daniel.diaz@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
We have short names for the requested and resulting register values.
Use them instead of spelling out the whole register entry for each
case.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/bb3bc1f923a2f6fe7912d22a1068fe29d6033d38.1530076529.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
When I wrote the sigreturn test, I didn't realize that AMD's busted
IRET behavior was different from Intel's busted IRET behavior:
On AMD CPUs, the CPU leaks the high 32 bits of the kernel stack pointer
to certain userspace contexts. Gee, thanks. There's very little
the kernel can do about it. Modify the test so it passes.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/86e7fd3564497f657de30a36da4505799eebef01.1530076529.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This test needs root privilege for it's successful execution.
This patch is atleast used to notify the user about the privilege
the script demands for the smooth execution of the test.
Signed-off-by: Jeffrin Jose T (Rajagiri SET) <ahiliation@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
The test_lirc_mode2.sh script require root privilege for the successful
execution of the test.
This patch is to notify the user about the privilege the script
demands for the successful execution of the test.
Signed-off-by: Jeffrin Jose T (Rajagiri SET) <ahiliation@gmail.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
CONFIG_NET_SCHED wasn't enabled in arm64's defconfig only for x86.
So bpf/test_tunnel.sh tests fails with:
RTNETLINK answers: Operation not supported
RTNETLINK answers: Operation not supported
We have an error talking to the kernel, -1
Enable NET_SCHED and more tests pass.
Fixes: 3bce593ac0 ("selftests: bpf: config: add config fragments")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Pull networking fixes from David Miller:
1) Fix netpoll OOPS in r8169, from Ville Syrjälä.
2) Fix bpf instruction alignment on powerpc et al., from Eric Dumazet.
3) Don't ignore IFLA_MTU attribute when creating new ipvlan links. From
Xin Long.
4) Fix use after free in AF_PACKET, from Eric Dumazet.
5) Mis-matched RTNL unlock in xen-netfront, from Ross Lagerwall.
6) Fix VSOCK loopback on big-endian, from Claudio Imbrenda.
7) Missing RX buffer offset correction when computing DMA addresses in
mvneta driver, from Antoine Tenart.
8) Fix crashes in DCCP's ccid3_hc_rx_send_feedback, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits)
sfc: make function efx_rps_hash_bucket static
strparser: Corrected typo in documentation.
qmi_wwan: add support for the Dell Wireless 5821e module
cxgb4: when disabling dcb set txq dcb priority to 0
net_sched: remove a bogus warning in hfsc
net: dccp: switch rx_tstamp_last_feedback to monotonic clock
net: dccp: avoid crash in ccid3_hc_rx_send_feedback()
net: Remove depends on HAS_DMA in case of platform dependency
MAINTAINERS: Add file patterns for dsa device tree bindings
net: mscc: make sparse happy
net: mvneta: fix the Rx desc DMA address in the Rx path
Documentation: e1000: Fix docs build error
Documentation: e100: Fix docs build error
Documentation: e1000: Use correct heading adornment
Documentation: e100: Use correct heading adornment
ipv6: mcast: fix unsolicited report interval after receiving querys
vhost_net: validate sock before trying to put its fd
VSOCK: fix loopback on big-endian systems
net: ethernet: ti: davinci_cpdma: make function cpdma_desc_pool_create static
xen-netfront: Update features after registering netdev
...
Pull rseq fixes from Thomas Gleixer:
"A pile of rseq related fixups:
- Prevent infinite recursion when delivering SIGSEGV
- Remove the abort of rseq critical section on fork() as syscalls
inside rseq critical sections are explicitely forbidden. So no
point in doing the abort on the child.
- Align the rseq structure on 32 bytes in the ARM selftest code.
- Fix file permissions of the test script"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
rseq: Avoid infinite recursion when delivering SIGSEGV
rseq/cleanup: Do not abort rseq c.s. in child on fork()
rseq/selftests/arm: Align 'struct rseq_cs' on 32 bytes
rseq/selftests: Make run_param_test.sh executable
- A GPIO device name fix for a regression in v4.15-rc1.
- An errata workaround for the BCM5300X platform.
- A fix to ftrace function graph tracing, broken for a long time with
the fix applying cleanly back as far as v3.17.
- Addition of read barriers to in{b,w,l,q}() functions, matching
behavior of other architectures & mirroring the equivalent addition
to read{b,w,l,q} in v4.17-rc2.
Plus changes to wire up new syscalls introduced in the 4.18 cycle:
- Restartable sequences support is added, including MIPS support in
the selftests.
- io_pgetevents is wired up.
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Merge tag 'mips_fixes_4.18_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A few MIPS fixes for 4.18:
- a GPIO device name fix for a regression in v4.15-rc1.
- an errata workaround for the BCM5300X platform.
- a fix to ftrace function graph tracing, broken for a long time with
the fix applying cleanly back as far as v3.17.
- addition of read barriers to in{b,w,l,q}() functions, matching
behavior of other architectures & mirroring the equivalent addition
to read{b,w,l,q} in v4.17-rc2.
Plus changes to wire up new syscalls introduced in the 4.18 cycle:
- Restartable sequences support is added, including MIPS support in
the selftests.
- io_pgetevents is wired up"
* tag 'mips_fixes_4.18_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: Wire up io_pgetevents syscall
rseq/selftests: Implement MIPS support
MIPS: Wire up the restartable sequences (rseq) syscall
MIPS: Add syscall detection for restartable sequences
MIPS: Add support for restartable sequences
MIPS: io: Add barrier after register read in inX()
mips: ftrace: fix static function graph tracing
MIPS: BCM47XX: Enable 74K Core ExternalSync for PCIe erratum
MIPS: pb44: Fix i2c-gpio GPIO descriptor table
This Kselftest fixes update for Linux 4.18-rc2:
- Fixes new sparc64 adi driver test compile errors on non-sparc systems.
- Fixes config fragment for sync framework for improved test coverage.
- Fixes several tests to return correct Kselftest skip code.
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Merge tag 'linux-kselftest-4.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest fixes from Shuah Khan:
- fix new sparc64 adi driver test compile errors on non-sparc systems
- fix config fragment for sync framework for improved test coverage
- fix several tests to return correct Kselftest skip code
* tag 'linux-kselftest-4.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
selftests: sparc64: Add missing SPDX License Identifiers
selftests: sparc64: delete RUN_TESTS and EMIT_TESTS overrides
selftests: sparc64: Fix to do nothing on non-sparc64
selftests: sync: add config fragment for testing sync framework
selftests: vm: return Kselftest Skip code for skipped tests
selftests: zram: return Kselftest Skip code for skipped tests
selftests: user: return Kselftest Skip code for skipped tests
selftests: sysctl: return Kselftest Skip code for skipped tests
selftests: static_keys: return Kselftest Skip code for skipped tests
selftests: pstore: return Kselftest Skip code for skipped tests
On one of our production test machine, when running
bpf selftest test_sockmap, I got the following error:
# sudo ./test_sockmap
libbpf: failed to create map (name: 'sock_map'): Operation not permitted
libbpf: failed to load object 'test_sockmap_kern.o'
libbpf: Can't get the 0th fd from program sk_skb1: only -1 instances
......
load_bpf_file: (-1) Operation not permitted
ERROR: (-1) load bpf failed
The error is due to not-big-enough rlimit
struct rlimit r = {10 * 1024 * 1024, RLIM_INFINITY};
The test already includes "bpf_rlimit.h", which sets current
and max rlimit to RLIM_INFINITY. Let us just use it.
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
The test_kmod.sh script require root privilege for the successful
execution of the test.
This patch is to notify the user about the privilege the script
demands for the successful execution of the test.
Signed-off-by: Jeffrin Jose T (Rajagiri SET) <ahiliation@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
uapi/linux/rseq.h aligns 'struct rseq_cs' on 32 bytes. Satisfy this
alignment requirement in its definition within the rseq-arm.h
inline assembly as well.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Hunter <ahh@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Lameter <cl@linux.com>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-api@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Link: https://lore.kernel.org/lkml/20180619133230.4087-3-mathieu.desnoyers@efficios.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
The executable bit of the run_param_test.sh script got lost in
the merge.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Andrew Hunter <ahh@google.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Ben Maurer <bmaurer@fb.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Chris Lameter <cl@linux.com>
Cc: Dave Watson <davejwatson@fb.com>
Cc: Joel Fernandes <joelaf@google.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Paul E . McKenney <paulmck@linux.vnet.ibm.com>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Shuah Khan <shuahkh@osg.samsung.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-api@vger.kernel.org
Cc: linux-kselftest@vger.kernel.org
Link: https://lore.kernel.org/lkml/20180619133230.4087-2-mathieu.desnoyers@efficios.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
sha: 702353b538 ("selftest: add test for TCP_INQ") forgot to add
tcp_inq to .gitignore.
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add fragments to pass bridge and vlan tests.
Fixes: 33b01b7b4f ("selftests: add rtnetlink test script")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement support for both MIPS32 & MIPS64 in the rseq selftests, in
order to sanity check the recently enabled rseq syscall.
The tests all pass on a MIPS Boston development board running either a
MIPS32r2 interAptiv CPU & a MIPS64r6 I6500 CPU, both of which were
configured with 2 cores each of which have 2 hardware threads (VP(E)s) -
ie. 4 CPUs.
Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: James Hogan <jhogan@kernel.org>
Patchwork: https://patchwork.linux-mips.org/patch/19524/
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Boqun Feng <boqun.feng@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Delete RUN_TESTS and EMIT_TESTS overrides and use common defines in
lib.mk. Common defines work just fine and there is no need to define
custom overrides.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Tom Hromatka <tom.hromatka@oracle.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
sparc64 test fails with the following errors on non-sparc64 systems. Fix
the Makefile to do nothing on non-sparc64 systems to suppress the errors:
make run_tests
adi-test.c: Assembler messages:
adi-test.c:302: Error: no such instruction: `rd %tick,%r13'
adi-test.c:304: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:190: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:192: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:273: Error: no such instruction: `rd %tick,%rbx'
adi-test.c:276: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:217: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:220: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:246: Error: no such instruction: `rd %tick,%rbp'
adi-test.c:248: Error: no such instruction: `rd %tick,%rdx'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
adi-test.c:79: Error: no such instruction: `rd %tick,%rax'
<builtin>: recipe for target 'adi-test' failed
make[1]: *** [adi-test] Error 1
adi: [FAIL]
./drivers_test.sh: 24: ./drivers_test.sh: ./adi-test: not found
../lib.mk:73: recipe for target 'run_tests' failed
make: *** [run_tests] Error 1
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Tom Hromatka <tom.hromatka@oracle.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Unless the software synchronization objects (CONFIG_SW_SYNC) is enabled,
the sync test will be skipped:
TAP version 13
1..0 # Skipped: Sync framework not supported by kernel
Add a config fragment file to be able to run "make kselftest-merge" to
enable relevant configuration required in order to run the sync test.
Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Link: https://lkml.org/lkml/2017/5/5/14
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
When vm test is skipped because of unmet dependencies and/or unsupported
configuration, it exits with error which is treated as a fail by the
Kselftest framework. This leads to false negative result even when the
test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Acked-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
When zram test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as
a fail by the Kselftest framework. This leads to false negative result
even when the test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
When user test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as
a fail by the Kselftest framework. This leads to false negative result
even when the test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run. Add an explicit check
for module presence and return skip code if module isn't present.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
When sysctl test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as
a fail by the Kselftest framework. This leads to false negative result
even when the test could not be run.
Change it to return kselftest skip code when a test gets skipped to
clearly report that the test could not be run.
Changed return code to kselftest skip code in skip error legs that check
requirements and module probe test error leg.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
When static_keys test is skipped because of unmet dependencies and/or
unsupported configuration, it exits with error which is treated as a fail
by the Kselftest framework. This leads to false negative result even when
the test could not be run.
Change it to return kselftest skip code when a test gets skipped to clearly
report that the test could not be run.
Added an explicit searches for test_static_key_base and test_static_keys
modules and return skip code if they aren't found to differentiate between
the failure to load the module condition and module not found condition.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
When pstore_post_reboot test gets skipped because of unmet dependencies
and/or unsupported configuration, it returns 0 which is treated as a pass
by the Kselftest framework. This leads to false positive result even when
the test could not be run.
Change it to return kselftest skip code when a test gets skipped to clearly
report that the test could not be run.
Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Daniel Borkmann says:
====================
pull-request: bpf 2018-06-16
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix a panic in devmap handling in generic XDP where return type
of __devmap_lookup_elem() got changed recently but generic XDP
code missed the related update, from Toshiaki.
2) Fix a freeze when BPF progs are loaded that include BPF to BPF
calls when JIT is enabled where we would later bail out via error
path w/o dropping kallsyms, and another one to silence syzkaller
splats from locking prog read-only, from Daniel.
3) Fix a bug in test_offloads.py BPF selftest which must not assume
that the underlying system have no BPF progs loaded prior to test,
and one in bpftool to fix accuracy of program load time, from Jakub.
4) Fix a bug in bpftool's probe for availability of the bpf(2)
BPF_TASK_FD_QUERY subcommand, from Yonghong.
5) Fix a regression in AF_XDP's XDP_SKB receive path where queue
id check got erroneously removed, from Björn.
6) Fix missing state cleanup in BPF's xfrm tunnel test, from William.
7) Check tunnel type more accurately in BPF's tunnel collect metadata
kselftest, from Jian.
8) Fix missing Kconfig fragments for BPF kselftests, from Anders.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull networking fixes from David Miller:
1) Various netfilter fixlets from Pablo and the netfilter team.
2) Fix regression in IPVS caused by lack of PMTU exceptions on local
routes in ipv6, from Julian Anastasov.
3) Check pskb_trim_rcsum for failure in DSA, from Zhouyang Jia.
4) Don't crash on poll in TLS, from Daniel Borkmann.
5) Revert SO_REUSE{ADDR,PORT} change, it regresses various things
including Avahi mDNS. From Bart Van Assche.
6) Missing of_node_put in qcom/emac driver, from Yue Haibing.
7) We lack checking of the TCP checking in one special case during SYN
receive, from Frank van der Linden.
8) Fix module init error paths of mac80211 hwsim, from Johannes Berg.
9) Handle 802.1ad properly in stmmac driver, from Elad Nachman.
10) Must grab HW caps before doing quirk checks in stmmac driver, from
Jose Abreu.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (81 commits)
net: stmmac: Run HWIF Quirks after getting HW caps
neighbour: skip NTF_EXT_LEARNED entries during forced gc
net: cxgb3: add error handling for sysfs_create_group
tls: fix waitall behavior in tls_sw_recvmsg
tls: fix use-after-free in tls_push_record
l2tp: filter out non-PPP sessions in pppol2tp_tunnel_ioctl()
l2tp: reject creation of non-PPP sessions on L2TPv2 tunnels
mlxsw: spectrum_switchdev: Fix port_vlan refcounting
mlxsw: spectrum_router: Align with new route replace logic
mlxsw: spectrum_router: Allow appending to dev-only routes
ipv6: Only emit append events for appended routes
stmmac: added support for 802.1ad vlan stripping
cfg80211: fix rcu in cfg80211_unregister_wdev
mac80211: Move up init of TXQs
mac80211_hwsim: fix module init error paths
cfg80211: initialize sinfo in cfg80211_get_station
nl80211: fix some kernel doc tag mistakes
hv_netvsc: Fix the variable sizes in ipsecv2 and rsc offload
rds: avoid unenecessary cong_update in loop transport
l2tp: clean up stale tunnel or session in pppol2tp_connect's error path
...
This second Kselftest update for Linux 4.18-rc1:
- fixes a signedness bug in cgroups test
- adds ppc support for kprobe args tests
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Merge tag 'linux-kselftest-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull more Kselftest updates from Shuah Khan:
- fix a signedness bug in cgroups test
- add ppc support for kprobe args tests
* tag 'linux-kselftest-4.18-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest:
kselftest/cgroup: fix a signedness bug
selftests/ftrace: Add ppc support for kprobe args tests
Make the printting of bpf xfrm tunnel better and
cleanup xfrm state and policy when xfrm test finishes.
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Grep tunnel type directly to make sure 'ip' command supports it.
Signed-off-by: Jian Wang <jianjian.wang1@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Modern distroes increasingly make use of BPF programs. Default
Ubuntu 18.04 installation boots with a number of cgroup_skb
programs loaded.
test_offloads.py tries to check if programs and maps are not
leaked on error paths by confirming the list of programs on the
system is empty between tests.
Since we can no longer expect the system to have no BPF objects
at boot try to remember the programs and maps present at the start,
and skip those when scanning the system.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
fix failures in the 'teardown' stage of test b7b8, probably a leftover of
commit 7c5995b33d ("tc-testing: fixed copy-pasting error in ife tests")
Fixes: a56e6bcd34 ("tc-testing: updated ife test cases")
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Daniel Borkmann says:
====================
pull-request: bpf 2018-06-12
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Avoid an allocation warning in AF_XDP by adding __GFP_NOWARN for the
umem setup, from Björn.
2) Silence a warning in bpf fs when an application tries to open(2) a
pinned bpf obj due to missing fops. Add a dummy open fop that continues
to just bail out in such case, from Daniel.
3) Fix a BPF selftest urandom_read build issue where gcc complains that
it gets built twice, from Anders.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
