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Two easy cases of overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
"Just the usual assortment of small'ish fixes:
1) Conntrack timeout is sometimes not initialized properly, from
Alexander Potapenko.
2) Add a reasonable range limit to tcp_min_rtt_wlen to avoid
undefined behavior. From ZhangXiaoxu.
3) des1 field of descriptor in stmmac driver is initialized with the
wrong variable. From Yue Haibing.
4) Increase mlxsw pci sw reset timeout a little bit more, from Ido
Schimmel.
5) Match IOT2000 stmmac devices more accurately, from Su Bao Cheng.
6) Fallback refcount fix in TLS code, from Jakub Kicinski.
7) Fix max MTU check when using XDP in mlx5, from Maxim Mikityanskiy.
8) Fix recursive locking in team driver, from Hangbin Liu.
9) Fix tls_set_device_offload_Rx() deadlock, from Jakub Kicinski.
10) Don't use napi_alloc_frag() outside of softiq context of socionext
driver, from Ilias Apalodimas.
11) MAC address increment overflow in ncsi, from Tao Ren.
12) Fix a regression in 8K/1M pool switching of RDS, from Zhu Yanjun.
13) ipv4_link_failure has to validate the headers that are actually
there because RAW sockets can pass in arbitrary garbage, from Eric
Dumazet"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
ipv4: add sanity checks in ipv4_link_failure()
net/rose: fix unbound loop in rose_loopback_timer()
rxrpc: fix race condition in rxrpc_input_packet()
net: rds: exchange of 8K and 1M pool
net: vrf: Fix operation not supported when set vrf mac
net/ncsi: handle overflow when incrementing mac address
net: socionext: replace napi_alloc_frag with the netdev variant on init
net: atheros: fix spelling mistake "underun" -> "underrun"
spi: ST ST95HF NFC: declare missing of table
spi: Micrel eth switch: declare missing of table
net: stmmac: move stmmac_check_ether_addr() to driver probe
netfilter: fix nf_l4proto_log_invalid to log invalid packets
netfilter: never get/set skb->tstamp
netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
Documentation: decnet: remove reference to CONFIG_DECNET_ROUTE_FWMARK
dt-bindings: add an explanation for internal phy-mode
net/tls: don't leak IV and record seq when offload fails
net/tls: avoid potential deadlock in tls_set_device_offload_rx()
selftests/net: correct the return value for run_afpackettests
team: fix possible recursive locking when add slaves
...
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for your net tree:
1) Add a selftest for icmp packet too big errors with conntrack, from
Florian Westphal.
2) Validate inner header in ICMP error message does not lie to us
in conntrack, also from Florian.
3) Initialize ct->timeout to calm down KASAN, from Alexander Potapenko.
4) Skip ICMP error messages from tunnels in IPVS, from Julian Anastasov.
5) Use a hash to expose conntrack and expectation ID, from Florian Westphal.
6) Prevent shift wrap in nft_chain_parse_hook(), from Dan Carpenter.
7) Fix broken ICMP ID randomization with NAT, also from Florian.
8) Remove WARN_ON in ebtables compat that is reached via syzkaller,
from Florian Westphal.
9) Fix broken timestamps since fb420d5d91c1 ("tcp/fq: move back to
CLOCK_MONOTONIC"), from Florian.
10) Fix logging of invalid packets in conntrack, from Andrei Vagin.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sven Auhagen reported that a 2nd ping request will fail if 'fully-random'
mode is used.
Reason is that if no proto information is given, min/max are both 0,
so we set the icmp id to 0 instead of chosing a random value between
0 and 65535.
Update test case as well to catch this, without fix this yields:
[..]
ERROR: cannot ping ns1 from ns2 with ip masquerade fully-random (attempt 2)
ERROR: cannot ping ns1 from ns2 with ipv6 masquerade fully-random (attempt 2)
... becaus 2nd ping clashes with existing 'id 0' icmp conntrack and gets
dropped.
Fixes: 203f2e78200c27e ("netfilter: nat: remove l4proto->unique_tuple")
Reported-by: Sven Auhagen <sven.auhagen@voleatech.de>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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When an icmp error such as pkttoobig is received, conntrack checks
if the "inner" header (header of packet that did not fit link mtu)
is matches an existing connection, and, if so, sets that packet as
being related to the conntrack entry it found.
It was recently reported that this "related" setting also works
if the inner header is from another, different connection (i.e.,
artificial/forged icmp error).
Add a test, followup patch will add additional "inner dst matches
outer dst in reverse direction" check before setting related state.
Link: https://www.synacktiv.com/posts/systems/icmp-reachable.html
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The run_afpackettests will be marked as passed regardless the return
value of those sub-tests in the script:
--------------------
running psock_tpacket test
--------------------
[FAIL]
selftests: run_afpackettests [PASS]
Fix this by changing the return value for each tests.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The run_netsocktests will be marked as passed regardless the actual test
result from the ./socket:
selftests: net: run_netsocktests
========================================
--------------------
running socket test
--------------------
[FAIL]
ok 1..6 selftests: net: run_netsocktests [PASS]
This is because the test script itself has been successfully executed.
Fix this by exit 1 when the test failed.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Silly sizeof(pointer) vs sizeof(uint8_t[]) bug.
Link: http://lkml.kernel.org/r/20190414123009.GA12971@avx2
Fixes: e483b0208784 ("proc: test /proc/*/maps, smaps, smaps_rollup, statm")
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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F29 bans mapping first 64KB even for root making test fail. Iterate
from address 0 until mmap() works.
Gentoo (root):
openat(AT_FDCWD, "/dev/zero", O_RDONLY) = 3
mmap(NULL, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0
Gentoo (non-root):
openat(AT_FDCWD, "/dev/zero", O_RDONLY) = 3
mmap(NULL, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EPERM (Operation not permitted)
mmap(0x1000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x1000
F29 (root):
openat(AT_FDCWD, "/dev/zero", O_RDONLY) = 3
mmap(NULL, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x1000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x2000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x3000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x4000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x5000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x6000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x7000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x8000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x9000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0xa000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0xb000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0xc000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0xd000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0xe000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0xf000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = -1 EACCES (Permission denied)
mmap(0x10000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED, 3, 0) = 0x10000
Now all proc tests succeed on F29 if run as root, at last!
Link: http://lkml.kernel.org/r/20190414123612.GB12971@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Alexei Starovoitov says:
====================
pull-request: bpf-next 2019-04-22
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) allow stack/queue helpers from more bpf program types, from Alban.
2) allow parallel verification of root bpf programs, from Alexei.
3) introduce bpf sysctl hook for trusted root cases, from Andrey.
4) recognize var/datasec in btf deduplication, from Andrii.
5) cpumap performance optimizations, from Jesper.
6) verifier prep for alu32 optimization, from Jiong.
7) libbpf xsk cleanup, from Magnus.
8) other various fixes and cleanups.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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map_fds[16] is the last one index-ed by fixup_map_array_small.
Hence, the MAX_NR_MAPS should be 17 instead.
Fixes: fb2abb73e575 ("bpf, selftest: test {rd, wr}only flags and direct value access")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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I meet below compile errors:
"
In file included from test_tcpnotify_kern.c:12:
/usr/include/netinet/in.h:101:5: error: expected identifier
IPPROTO_HOPOPTS = 0, /* IPv6 Hop-by-Hop options. */
^
/usr/include/linux/in6.h:131:26: note: expanded from macro 'IPPROTO_HOPOPTS'
^
In file included from test_tcpnotify_kern.c:12:
/usr/include/netinet/in.h:103:5: error: expected identifier
IPPROTO_ROUTING = 43, /* IPv6 routing header. */
^
/usr/include/linux/in6.h:132:26: note: expanded from macro 'IPPROTO_ROUTING'
^
In file included from test_tcpnotify_kern.c:12:
/usr/include/netinet/in.h:105:5: error: expected identifier
IPPROTO_FRAGMENT = 44, /* IPv6 fragmentation header. */
^
/usr/include/linux/in6.h:133:26: note: expanded from macro 'IPPROTO_FRAGMENT'
"
The same compile errors are reported for test_tcpbpf_kern.c too.
My environment:
lsb_release -a:
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.6 LTS
Release: 16.04
Codename: xenial
dpkg -l | grep libc-dev:
ii libc-dev-bin 2.23-0ubuntu11 amd64 GNU C Library: Development binaries
ii linux-libc-dev:amd64 4.4.0-145.171 amd64 Linux Kernel Headers for development.
The reason is linux/in6.h and netinet/in.h aren't synchronous about how to
handle the same definitions, IPPROTO_HOPOPTS, etc.
This patch fixes the compile errors by moving <netinet/in.h> to before the
<linux/*.h>.
Signed-off-by: Wang YanQing <udknight@gmail.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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I hit the following compilation error with gcc 4.8.5.
prog_tests/flow_dissector.c: In function ‘test_flow_dissector’:
prog_tests/flow_dissector.c:155:2: error: ‘for’ loop initial declarations are only allowed in C99 mode
for (int i = 0; i < ARRAY_SIZE(tests); i++) {
^
prog_tests/flow_dissector.c:155:2: note: use option -std=c99 or -std=gnu99 to compile your code
Let us fix the issue by avoiding this particular c99 feature.
Fixes: a5cb33464e53 ("selftests/bpf: make flow dissector tests more extensible")
Signed-off-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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This patch adds tests validating that VRF and BPF-LWT
encap work together well, as requested by David Ahern.
Signed-off-by: Peter Oskolkov <posk@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Rewrite selftest to iterate over an array with input packet and
expected flow_keys. This should make it easier to extend this test
with additional cases without too much boilerplate.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Add two tests to check that sequence of 1024 jumps is verifiable.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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It was removed in commit 166b5a7f2ca3 ("selftests_bpf: extend
test_tc_tunnel for UDP encap") without any explanation.
Otherwise I see:
progs/test_tc_tunnel.c:160:17: warning: taking address of packed member 'ip' of class or structure
'v4hdr' may result in an unaligned pointer value [-Waddress-of-packed-member]
set_ipv4_csum(&h_outer.ip);
^~~~~~~~~~
1 warning generated.
Cc: Alan Maguire <alan.maguire@oracle.com>
Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
Fixes: 166b5a7f2ca3 ("selftests_bpf: extend test_tc_tunnel for UDP encap")
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Add test case verifying that dedup happens (INTs are deduped in this
case) and VAR/DATASEC types are not deduped, but have their referenced
type IDs adjusted correctly.
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: Yonghong Song <yhs@fb.com>
Cc: Alexei Starovoitov <ast@fb.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Add C based test for a few bpf_sysctl_* helpers and bpf_strtoul.
Make sure that sysctl can be identified by name and that multiple
integers can be parsed from sysctl value with bpf_strtoul.
net/ipv4/tcp_mem is chosen as a testing sysctl, it contains 3 unsigned
longs, they all are parsed and compared (val[0] < val[1] < val[2]).
Example of output:
# ./test_sysctl
...
Test case: C prog: deny all writes .. [PASS]
Test case: C prog: deny access by name .. [PASS]
Test case: C prog: read tcp_mem .. [PASS]
Summary: 39 PASSED, 0 FAILED
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test that bpf_strtol and bpf_strtoul helpers can be used to convert
provided buffer to long or unsigned long correspondingly and return both
correct result and number of consumed bytes, or proper errno.
Example of output:
# ./test_sysctl
..
Test case: bpf_strtoul one number string .. [PASS]
Test case: bpf_strtoul multi number string .. [PASS]
Test case: bpf_strtoul buf_len = 0, reject .. [PASS]
Test case: bpf_strtoul supported base, ok .. [PASS]
Test case: bpf_strtoul unsupported base, EINVAL .. [PASS]
Test case: bpf_strtoul buf with spaces only, EINVAL .. [PASS]
Test case: bpf_strtoul negative number, EINVAL .. [PASS]
Test case: bpf_strtol negative number, ok .. [PASS]
Test case: bpf_strtol hex number, ok .. [PASS]
Test case: bpf_strtol max long .. [PASS]
Test case: bpf_strtol overflow, ERANGE .. [PASS]
Summary: 36 PASSED, 0 FAILED
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test that verifier handles new argument types properly, including
uninitialized or partially initialized value, misaligned stack access,
etc.
Example of output:
#456/p ARG_PTR_TO_LONG uninitialized OK
#457/p ARG_PTR_TO_LONG half-uninitialized OK
#458/p ARG_PTR_TO_LONG misaligned OK
#459/p ARG_PTR_TO_LONG size < sizeof(long) OK
#460/p ARG_PTR_TO_LONG initialized OK
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add bpf_sysctl_* and bpf_strtoX helpers to bpf_helpers.h.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test access to file_pos field of bpf_sysctl context, both read (incl.
narrow read) and write.
# ./test_sysctl
...
Test case: ctx:file_pos sysctl:read read ok .. [PASS]
Test case: ctx:file_pos sysctl:read read ok narrow .. [PASS]
Test case: ctx:file_pos sysctl:read write ok .. [PASS]
...
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test that new value provided by user space on sysctl write can be read
by bpf_sysctl_get_new_value and overridden by bpf_sysctl_set_new_value.
# ./test_sysctl
...
Test case: sysctl_get_new_value sysctl:read EINVAL .. [PASS]
Test case: sysctl_get_new_value sysctl:write ok .. [PASS]
Test case: sysctl_get_new_value sysctl:write ok long .. [PASS]
Test case: sysctl_get_new_value sysctl:write E2BIG .. [PASS]
Test case: sysctl_set_new_value sysctl:read EINVAL .. [PASS]
Test case: sysctl_set_new_value sysctl:write ok .. [PASS]
Summary: 22 PASSED, 0 FAILED
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test sysctl_get_current_value on sysctl read and write, buffers with
enough space and too small buffers to get E2BIG and truncated result,
etc.
# ./test_sysctl
...
Test case: sysctl_get_current_value sysctl:read ok, gt .. [PASS]
Test case: sysctl_get_current_value sysctl:read ok, eq .. [PASS]
Test case: sysctl_get_current_value sysctl:read E2BIG truncated .. [PASS]
Test case: sysctl_get_current_value sysctl:read EINVAL .. [PASS]
Test case: sysctl_get_current_value sysctl:write ok .. [PASS]
Summary: 16 PASSED, 0 FAILED
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test w/ and w/o BPF_F_SYSCTL_BASE_NAME, buffers with enough space and
too small buffers to get E2BIG and truncated result, etc.
# ./test_sysctl
...
Test case: sysctl_get_name sysctl_value:base ok .. [PASS]
Test case: sysctl_get_name sysctl_value:base E2BIG truncated .. [PASS]
Test case: sysctl_get_name sysctl:full ok .. [PASS]
Test case: sysctl_get_name sysctl:full E2BIG truncated .. [PASS]
Test case: sysctl_get_name sysctl:full E2BIG truncated small .. [PASS]
Summary: 11 PASSED, 0 FAILED
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add unit test for BPF_PROG_TYPE_CGROUP_SYSCTL program type.
Test that program can allow/deny access.
Test both valid and invalid accesses to ctx->write.
Example of output:
# ./test_sysctl
Test case: sysctl wrong attach_type .. [PASS]
Test case: sysctl:read allow all .. [PASS]
Test case: sysctl:read deny all .. [PASS]
Test case: ctx:write sysctl:read read ok .. [PASS]
Test case: ctx:write sysctl:write read ok .. [PASS]
Test case: ctx:write sysctl:read write reject .. [PASS]
Summary: 6 PASSED, 0 FAILED
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add unit test to verify that program and attach types are properly
identified for "cgroup/sysctl" section name.
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Conflict resolution of af_smc.c from Stephen Rothwell.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) Handle init flow failures properly in iwlwifi driver, from Shahar S
Matityahu.
2) mac80211 TXQs need to be unscheduled on powersave start, from Felix
Fietkau.
3) SKB memory accounting fix in A-MDSU aggregation, from Felix Fietkau.
4) Increase RCU lock hold time in mlx5 FPGA code, from Saeed Mahameed.
5) Avoid checksum complete with XDP in mlx5, also from Saeed.
6) Fix netdev feature clobbering in ibmvnic driver, from Thomas Falcon.
7) Partial sent TLS record leak fix from Jakub Kicinski.
8) Reject zero size iova range in vhost, from Jason Wang.
9) Allow pending work to complete before clcsock release from Karsten
Graul.
10) Fix XDP handling max MTU in thunderx, from Matteo Croce.
11) A lot of protocols look at the sa_family field of a sockaddr before
validating it's length is large enough, from Tetsuo Handa.
12) Don't write to free'd pointer in qede ptp error path, from Colin Ian
King.
13) Have to recompile IP options in ipv4_link_failure because it can be
invoked from ARP, from Stephen Suryaputra.
14) Doorbell handling fixes in qed from Denis Bolotin.
15) Revert net-sysfs kobject register leak fix, it causes new problems.
From Wang Hai.
16) Spectre v1 fix in ATM code, from Gustavo A. R. Silva.
17) Fix put of BROPT_VLAN_STATS_PER_PORT in bridging code, from Nikolay
Aleksandrov.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (111 commits)
socket: fix compat SO_RCVTIMEO_NEW/SO_SNDTIMEO_NEW
tcp: tcp_grow_window() needs to respect tcp_space()
ocelot: Clean up stats update deferred work
ocelot: Don't sleep in atomic context (irqs_disabled())
net: bridge: fix netlink export of vlan_stats_per_port option
qed: fix spelling mistake "faspath" -> "fastpath"
tipc: set sysctl_tipc_rmem and named_timeout right range
tipc: fix link established but not in session
net: Fix missing meta data in skb with vlan packet
net: atm: Fix potential Spectre v1 vulnerabilities
net/core: work around section mismatch warning for ptp_classifier
net: bridge: fix per-port af_packet sockets
bnx2x: fix spelling mistake "dicline" -> "decline"
route: Avoid crash from dereferencing NULL rt->from
MAINTAINERS: normalize Woojung Huh's email address
bonding: fix event handling for stacked bonds
Revert "net-sysfs: Fix memory leak in netdev_register_kobject"
rtnetlink: fix rtnl_valid_stats_req() nlmsg_len check
qed: Fix the DORQ's attentions handling
qed: Fix missing DORQ attentions
...
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A couple of tests are verifying a route has been removed. The helper
expects the prefix as the first part of the expected output. When
checking that a route has been deleted the prefix is empty leading
to an invalid ip command:
$ ip ro ls match
Command line is not complete. Try option "help"
Fix by moving the comparison of expected output and output to a new
function that is used by both check_route and check_route6. Use the
new helper for the 2 checks on route removal.
Also, remove the reset of 'set -x' in route_setup which overrides the
user managed setting.
Fixes: d69faad76584c ("selftests: fib_tests: Add prefix route tests with metric")
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Test that it is possible to set an IP address on a VRF and that it is
not vetoed.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a simple test for SMM, based on VMX. The test implements its own
sync between the guest and the host as using our ucall library seems to
be too cumbersome: SMI handler is happening in real-address mode.
This patch also fixes KVM_SET_NESTED_STATE to happen after
KVM_SET_VCPU_EVENTS, in fact it places it last. This is because
KVM needs to know whether the processor is in SMM or not.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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-no-pie was added to GCC at the same time as their configuration option
--enable-default-pie. Compilers that were built before do not have
-no-pie, but they also do not need it. Detect the option at build
time.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Starting state migration after an IO exit without first completing IO
may result in test failures. We already have two tests that need this
(this patch in fact fixes evmcs_test, similar to what was fixed for
state_test in commit 0f73bbc851ed, "KVM: selftests: complete IO before
migrating guest state", 2019-03-13) and a third is coming. So, move the
code to vcpu_save_state, and while at it do not access register state
until after I/O is complete.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Test that neighbour entries are marked as offloaded.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains Netfilter updates for net-next:
1) Remove the broute pseudo hook, implement this from the bridge
prerouting hook instead. Now broute becomes real table in ebtables,
from Florian Westphal. This also includes a size reduction patch for the
bridge control buffer area via squashing boolean into bitfields and
a selftest.
2) Add OS passive fingerprint version matching, from Fernando Fernandez.
3) Support for gue encapsulation for IPVS, from Jacky Hu.
4) Add support for NAT to the inet family, from Florian Westphal.
This includes support for masquerade, redirect and nat extensions.
5) Skip interface lookup in flowtable, use device in the dst object.
6) Add jiffies64_to_msecs() and use it, from Li RongQing.
7) Remove unused parameter in nf_tables_set_desc_parse(), from Colin Ian King.
8) Statify several functions, patches from YueHaibing and Florian Westphal.
9) Add an optimized version of nf_inet_addr_cmp(), from Li RongQing.
10) Merge route extension to core, also from Florian.
11) Use IS_ENABLED(CONFIG_NF_NAT) instead of NF_NAT_NEEDED, from Florian.
12) Merge ip/ip6 masquerade extensions, from Florian. This includes
netdevice notifier unification.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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ebtables -t broute allows to redirect packets in a way that
they get pushed up the stack, even if the interface is part
of a bridge.
In case of IP packets to non-local address, this means
those IP packets are routed instead of bridged-forwarded, just
as if the bridge would not have existed.
Expected test output is:
PASS: netns connectivity: ns1 and ns2 can reach each other
PASS: ns1/ns2 connectivity with active broute rule
PASS: ns1/ns2 connectivity with active broute rule and bridge forward drop
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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With older nft versions, this will cause:
[..]
PASS: ipv6 ping to ns1 was ip6 NATted to ns2
/dev/stdin:4:30-31: Error: syntax error, unexpected to, expecting newline or semicolon
ip daddr 10.0.1.99 dnat ip to 10.0.2.99
^^
SKIP: inet nat tests
PASS: ip IP masquerade for ns2
[..]
as there is currently no way to detect if nft will be able to parse
the inet format.
redirect and masquerade tests need to be skipped in this case for inet
too because nft userspace has overzealous family check and rejects their
use in the inet family.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Some netdevsim bpf debugfs files are per-sdev, yet they are defined per
netdevsim instance. Move them under sdev directory.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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pmtu.sh script runs a number of tests and dumps a summary of pass/fail.
If a test fails, it is near impossible to debug why. For example:
TEST: ipv6: PMTU exceptions [FAIL]
There are a lot of commands run behind the scenes for this test. Which
one is failing?
Add a VERBOSE option to show commands that are run and any output from
those commands. Add a PAUSE_ON_FAIL option to halt the script if a test
fails allowing users to poke around with the setup in the failed state.
In the process, rename tracing to TRACING and move declaration to top
with the new variables.
Signed-off-by: David Ahern <dsahern@gmail.com>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann says:
====================
pull-request: bpf-next 2019-04-12
The following pull-request contains BPF updates for your *net-next* tree.
The main changes are:
1) Improve BPF verifier scalability for large programs through two
optimizations: i) remove verifier states that are not useful in pruning,
ii) stop walking parentage chain once first LIVE_READ is seen. Combined
gives approx 20x speedup. Increase limits for accepting large programs
under root, and add various stress tests, from Alexei.
2) Implement global data support in BPF. This enables static global variables
for .data, .rodata and .bss sections to be properly handled which allows
for more natural program development. This also opens up the possibility
to optimize program workflow by compiling ELFs only once and later only
rewriting section data before reload, from Daniel and with test cases and
libbpf refactoring from Joe.
3) Add config option to generate BTF type info for vmlinux as part of the
kernel build process. DWARF debug info is converted via pahole to BTF.
Latter relies on libbpf and makes use of BTF deduplication algorithm which
results in 100x savings compared to DWARF data. Resulting .BTF section is
typically about 2MB in size, from Andrii.
4) Add BPF verifier support for stack access with variable offset from
helpers and add various test cases along with it, from Andrey.
5) Extend bpf_skb_adjust_room() growth BPF helper to mark inner MAC header
so that L2 encapsulation can be used for tc tunnels, from Alan.
6) Add support for input __sk_buff context in BPF_PROG_TEST_RUN so that
users can define a subset of allowed __sk_buff fields that get fed into
the test program, from Stanislav.
7) Add bpf fs multi-dimensional array tests for BTF test suite and fix up
various UBSAN warnings in bpftool, from Yonghong.
8) Generate a pkg-config file for libbpf, from Luca.
9) Dump program's BTF id in bpftool, from Prashant.
10) libbpf fix to use smaller BPF log buffer size for AF_XDP's XDP
program, from Magnus.
11) kallsyms related fixes for the case when symbols are not present in
BPF selftests and samples, from Daniel
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Update test_tc_tunnel to verify adding inner L2 header
encapsulation (an MPLS label or ethernet header) works.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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commit 868d523535c2 ("bpf: add bpf_skb_adjust_room encap flags")
introduced support to bpf_skb_adjust_room for GSO-friendly GRE
and UDP encapsulation and later introduced associated test_tc_tunnel
tests. Here those tests are extended to cover UDP encapsulation also.
Signed-off-by: Alan Maguire <alan.maguire@oracle.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Simple test that sets cb to {1,2,3,4,5} and priority to 6, runs bpf
program that fails if cb is not what we expect and increments cb[i] and
priority. When the test finishes, we check that cb is now {2,3,4,5,6}
and priority is 7.
We also test the sanity checks:
* ctx_in is provided, but ctx_size_in is zero (same for
ctx_out/ctx_size_out)
* unexpected non-zero fields in __sk_buff return EINVAL
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Extend test_btf with various positive and negative tests around
BTF verification of kind Var and DataSec. All passing as well:
# ./test_btf
[...]
BTF raw test[4] (global data test #1): OK
BTF raw test[5] (global data test #2): OK
BTF raw test[6] (global data test #3): OK
BTF raw test[7] (global data test #4, unsupported linkage): OK
BTF raw test[8] (global data test #5, invalid var type): OK
BTF raw test[9] (global data test #6, invalid var type (fwd type)): OK
BTF raw test[10] (global data test #7, invalid var type (fwd type)): OK
BTF raw test[11] (global data test #8, invalid var size): OK
BTF raw test[12] (global data test #9, invalid var size): OK
BTF raw test[13] (global data test #10, invalid var size): OK
BTF raw test[14] (global data test #11, multiple section members): OK
BTF raw test[15] (global data test #12, invalid offset): OK
BTF raw test[16] (global data test #13, invalid offset): OK
BTF raw test[17] (global data test #14, invalid offset): OK
BTF raw test[18] (global data test #15, not var kind): OK
BTF raw test[19] (global data test #16, invalid var referencing sec): OK
BTF raw test[20] (global data test #17, invalid var referencing var): OK
BTF raw test[21] (global data test #18, invalid var loop): OK
BTF raw test[22] (global data test #19, invalid var referencing var): OK
BTF raw test[23] (global data test #20, invalid ptr referencing var): OK
BTF raw test[24] (global data test #21, var included in struct): OK
BTF raw test[25] (global data test #22, array of var): OK
[...]
PASS:167 SKIP:0 FAIL:0
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Add tests for libbpf relocation of static variable references
into the .data, .rodata and .bss sections of the ELF, also add
read-only test for .rodata. All passing:
# ./test_progs
[...]
test_global_data:PASS:load program 0 nsec
test_global_data:PASS:pass global data run 925 nsec
test_global_data_number:PASS:relocate .bss reference 925 nsec
test_global_data_number:PASS:relocate .data reference 925 nsec
test_global_data_number:PASS:relocate .rodata reference 925 nsec
test_global_data_number:PASS:relocate .bss reference 925 nsec
test_global_data_number:PASS:relocate .data reference 925 nsec
test_global_data_number:PASS:relocate .rodata reference 925 nsec
test_global_data_number:PASS:relocate .bss reference 925 nsec
test_global_data_number:PASS:relocate .bss reference 925 nsec
test_global_data_number:PASS:relocate .rodata reference 925 nsec
test_global_data_number:PASS:relocate .rodata reference 925 nsec
test_global_data_number:PASS:relocate .rodata reference 925 nsec
test_global_data_string:PASS:relocate .rodata reference 925 nsec
test_global_data_string:PASS:relocate .data reference 925 nsec
test_global_data_string:PASS:relocate .bss reference 925 nsec
test_global_data_string:PASS:relocate .data reference 925 nsec
test_global_data_string:PASS:relocate .bss reference 925 nsec
test_global_data_struct:PASS:relocate .rodata reference 925 nsec
test_global_data_struct:PASS:relocate .bss reference 925 nsec
test_global_data_struct:PASS:relocate .rodata reference 925 nsec
test_global_data_struct:PASS:relocate .data reference 925 nsec
test_global_data_rdonly:PASS:test .rodata read-only map 925 nsec
[...]
Summary: 229 PASSED, 0 FAILED
Note map helper signatures have been changed to avoid warnings
when passing in const data.
Joint work with Daniel Borkmann.
Signed-off-by: Joe Stringer <joe@wand.net.nz>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Extend test_verifier with various test cases around the two kernel
extensions, that is, {rd,wr}only map support as well as direct map
value access. All passing, one skipped due to xskmap not present
on test machine:
# ./test_verifier
[...]
#948/p XDP pkt read, pkt_meta' <= pkt_data, bad access 1 OK
#949/p XDP pkt read, pkt_meta' <= pkt_data, bad access 2 OK
#950/p XDP pkt read, pkt_data <= pkt_meta', good access OK
#951/p XDP pkt read, pkt_data <= pkt_meta', bad access 1 OK
#952/p XDP pkt read, pkt_data <= pkt_meta', bad access 2 OK
Summary: 1410 PASSED, 1 SKIPPED, 0 FAILED
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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Test the case when reg->smax_value is too small/big and can overflow,
and separately min and max values outside of stack bounds.
Example of output:
# ./test_verifier
#856/p indirect variable-offset stack access, unbounded OK
#857/p indirect variable-offset stack access, max out of bound OK
#858/p indirect variable-offset stack access, min out of bound OK
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Test that verifier rejects indirect stack access with variable offset in
unprivileged mode and accepts same code in privileged mode.
Since pointer arithmetics is prohibited in unprivileged mode verifier
should reject the program even before it gets to helper call that uses
variable offset, at the time when that variable offset is trying to be
constructed.
Example of output:
# ./test_verifier
...
#859/u indirect variable-offset stack access, priv vs unpriv OK
#859/p indirect variable-offset stack access, priv vs unpriv OK
Signed-off-by: Andrey Ignatov <rdna@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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