| Commit message (Collapse) | Author | Age | Files | Lines |
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In the recent Antrea project testing, some port could not be created
on Windows.
When doing debug, our team found there is one case happening when multiple
ports are waiting for be created with correct port number.
Some system type port will be created netdev successfully and it will cause
conflict as in the dpif side it will be internal type. So finally the port
will be created failed and it could not be easily recovered.
With the patch, on Windows the netdev creating will be blocked for system
type when the ovs_tyep got on dpif is internal. More detailed case description
is in the reported issue No.262 with link below.
Reported-at:https://github.com/openvswitch/ovs-issues/issues/262
Signed-off-by: Wilson Peng <pweisong@vmware.com>
Signed-off-by: Alin Gabriel Serdean <aserdean@ovn.org>
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In one typical setup, on the Windows VM running OVS Windows Kernel, a Geneva
packet with 8021.q VLAN tag is received. Then it may do POP_VLAN action
processing in Actions.c, if the packet does not have Ieee8021QNetBufferListInfo
in the oob of the packet, it will be processed by function OvsPopVlanInPktBuf().
In the function it will go on remove VLAN header present in the nbl, but related
layers is never readjusted for the offset value at this moment. As a result, it
will cause function OvsValidateIPChecksum drop the packet.
Reported-at:https://github.com/openvswitch/ovs-issues/issues/225
Signed-off-by: wilsonpeng <pweisong@vmware.com>
Signed-off-by: Alin-Gabriel Serdean <aserdean@ovn.org>
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Fixes: 1b1d2e6daa56 ("ovsdb: Introduce experimental support for clustered databases.")
Signed-off-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
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GCC 11 pointed out that ofputil_group_to_string()'s prototype asks for
a buffer with one byte more than supplied. This fixes the problem.
This wasn't a buffer overflow because ofputil_group_to_string() honors
the buffer size passed in, which was correct. The worst that could
happen was truncating the last byte of a group name.
Signed-off-by: Ben Pfaff <blp@ovn.org>
Acked-by: Paolo Valerio <pvalerio@redhat.com>
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The Python IDL notification mechanism was sending a notification
for each processed update in a transaction as it was processed.
This causes issues with multi-row changes that contain references
to each other.
For example, if a Logical_Router_Port is created along with a
Gateway_Chassis, and the LRP.gateway_chassis set to that GC, then
when the notify() passes the CREATE event for the LRP, the GC will
not yet have been processed, so __getattr__ when _uuid_to_row fails
to find the GC, will return the default value for LRP.gateway_chassis
which is [].
This patch has the process_update methods return the notifications
that would be produced when a row changes, so they can be queued
and sent after all rows have been processed.
Fixes: d7d417fcddf9 ("Allow subclasses of Idl to define a notification hook")
Signed-off-by: Terry Wilson <twilson@redhat.com>
Acked-by: Brian Haley <haleyb.dev@gmail.com>
Acked-by: Dumitru Ceara <dceara@redhat.com>
Tested-by: Flavio Fernandes <flavio@flaviof.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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For columns like QoS.queues where we have a map containing refTable
values, assigning w/ __setattr__ e.g. qos.queues={1: $queue_row}
works, but using using qos.setkey('queues', 1, $queue_row) results
in an Exception. The opdat argument can essentially just be the
JSON representation of the map column instead of trying to build
it.
Signed-off-by: Terry Wilson <twilson@redhat.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Acked-by: Ian Stokes <ian.stokes@intel.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Acked-by: Ian Stokes <ian.stokes@intel.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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When you try to specify `SERVER` to the 'ovsdb-client needs-conversion'
command, it interprets the `SERVER` parameter as the path to the schema
and returns an error.
This PR fixes it.
Fixes: 1b1d2e6daa56 ("ovsdb: Introduce experimental support for clustered databases.")
Submitted-at: https://github.com/openvswitch/ovs/pull/347
Signed-off-by: Alexey Roytman <roytman@il.ibm.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Modify ci linux build script to use the latest DPDK stable release.
Modify Documentation to use the latest DPDK stable release
18.11.11. Update NEWS file to reflect the latest DPDK stable
release.
Note: 18.11.11 is the final support release for the 18.11 series,
no further support releases for 18.11 series are expected.
Signed-off-by: Hariprasad Govindharajan <hariprasad.govindharajan@intel.com>
Acked-by: Kevin Traynor <ktraynor@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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While decoding RAW_ENCAP action, decode_ed_prop() might re-allocate
ofpbuf if there is no enough space left. However, function
'decode_NXAST_RAW_ENCAP' continues to use old pointer to 'encap'
structure leading to write-after-free and incorrect decoding.
==3549105==ERROR: AddressSanitizer: heap-use-after-free on address
0x60600000011a at pc 0x0000005f6cc6 bp 0x7ffc3a2d4410 sp 0x7ffc3a2d4408
WRITE of size 2 at 0x60600000011a thread T0
#0 0x5f6cc5 in decode_NXAST_RAW_ENCAP lib/ofp-actions.c:4461:20
#1 0x5f0551 in ofpact_decode ./lib/ofp-actions.inc2:4777:16
#2 0x5ed17c in ofpacts_decode lib/ofp-actions.c:7752:21
#3 0x5eba9a in ofpacts_pull_openflow_actions__ lib/ofp-actions.c:7791:13
#4 0x5eb9fc in ofpacts_pull_openflow_actions lib/ofp-actions.c:7835:12
#5 0x64bb8b in ofputil_decode_packet_out lib/ofp-packet.c:1113:17
#6 0x65b6f4 in ofp_print_packet_out lib/ofp-print.c:148:13
#7 0x659e3f in ofp_to_string__ lib/ofp-print.c:1029:16
#8 0x659b24 in ofp_to_string lib/ofp-print.c:1244:21
#9 0x65a28c in ofp_print lib/ofp-print.c:1288:28
#10 0x540d11 in ofctl_ofp_parse utilities/ovs-ofctl.c:2814:9
#11 0x564228 in ovs_cmdl_run_command__ lib/command-line.c:247:17
#12 0x56408a in ovs_cmdl_run_command lib/command-line.c:278:5
#13 0x5391ae in main utilities/ovs-ofctl.c:179:9
#14 0x7f6911ce9081 in __libc_start_main (/lib64/libc.so.6+0x27081)
#15 0x461fed in _start (utilities/ovs-ofctl+0x461fed)
Fix that by getting a new pointer before using.
Credit to OSS-Fuzz.
Fuzzer regression test will fail only with AddressSanitizer enabled.
Reported-at: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27851
Fixes: f839892a206a ("OF support and translation of generic encap and decap")
Acked-by: William Tu <u9012063@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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FreeBSD 12.1 reached EOL and our builds are failing on Cirrus CI.
Updating to 12.2 - current production release.
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Although not required, padding can be optionally added until
the packet length is MTU bytes. A packet with extra padding
currently fails sanity checks.
Vulnerability: CVE-2020-35498
Fixes: fa8d9001a624 ("miniflow_extract: Properly handle small IP packets.")
Reported-by: Joakim Hindersson <joakim.hindersson@elastx.se>
Acked-by: Ilya Maximets <i.maximets@ovn.org>
Signed-off-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Some manpages are generated from rST, but these are not included
in 'dist-docs' make target.
Fixes: fd0837a76f4c ("doc: Convert ovs-vlan-test to rST")
Acked-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Fix the reported back value of the bos mask used by the revalidator
threads.
Fixes: 34b1695506f8 ("lib/tc: add single mpls match offload support")
Reported-by: Marcelo Leitner <mleitner@redhat.com>
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Fixes: 73eb682edb67 ("python: Fix xmlrpclib imports.")
Signed-off-by: Thomas Neuman <thomas.neuman@nutanix.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Before trying to install a package, APT cache must be updated to avoid
asking for an unavailable version of a package.
Fixes: 6cb2f5a630e3 ("github: Add GitHub Actions workflow.")
Signed-off-by: David Marchand <david.marchand@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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OVS should not exit if it cannot format NSH actions for the user.
It should just report the error like the other formatting functions do.
Credit to OSS-Fuzz.
Reported-at: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=21509
Fixes: 1fc11c5948cf ("Generic encap and decap support for NSH")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Mark Gray <mark.d.gray@redhat.com>
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Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit a8d3c90feca548fc0656d95b5d278713db86ff61
Date: Tue, 17 Nov 2020 09:28:17 -0500
lldp: avoid memory leak from bad packets
A packet that contains multiple instances of certain TLVs will cause
lldpd to continually allocate memory and leak the old memory. As an
example, multiple instances of system name TLV will cause old values
to be dropped by the decoding routine.
Reported-at: https://github.com/openvswitch/ovs/pull/337
Reported-by: Jonas Rudloff <jonas.t.rudloff@gmail.com>
Signed-off-by: Aaron Conole <aconole@redhat.com>
Vulnerability: CVE-2020-27827
Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Valgrind reported:
1210: ofproto-dpif - continuation after clone
==32205== 4,392 (1,440 direct, 2,952 indirect) bytes in 12 blocks are definitely lost in loss record 359 of 362
==32205== at 0x4C2DB8F: malloc (in /usr/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==32205== by 0x532574: xmalloc (util.c:138)
==32205== by 0x4F98CA: ofpbuf_init (ofpbuf.c:123)
==32205== by 0x42C07B: nxt_resume (ofproto-dpif.c:5110)
==32205== by 0x41796F: handle_nxt_resume (ofproto.c:3677)
==32205== by 0x424583: handle_single_part_openflow (ofproto.c:8473)
==32205== by 0x424583: handle_openflow (ofproto.c:8606)
==32205== by 0x4579E2: ofconn_run (connmgr.c:1318)
==32205== by 0x4579E2: connmgr_run (connmgr.c:355)
==32205== by 0x41E0F5: ofproto_run (ofproto.c:1845)
==32205== by 0x40BA63: bridge_run__ (bridge.c:2971)
==32205== by 0x410CF3: bridge_run (bridge.c:3029)
==32205== by 0x407614: main (ovs-vswitchd.c:127)
This is because 'xcache' was not destroyed properly. This patch fixes it.
Acked-by: William Tu <u9012063@gmail.com>
Signed-off-by: Yifeng Sun <pkusunyifeng@gmail.com>
Signed-off-by: Ben Pfaff <blp@ovn.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Connections are added to IPsec using a connection name
that is determined from the OVS port name and the tunnel
type.
GRE connections take the form:
<iface>-<ver>
Other connections take the form:
<iface>-in-<ver>
<iface>-out-<ver>
The regex '|' operator parses strings left to right looking
for the first match that it can find. '.*' is also greedy. This
causes incorrect interface names to be parsed from active
connections as other tunnel types are parsed as type
GRE. This gives unexpected "is outdated" warnings and the
connection is torn down.
For example,
'ovn-424242-in-1' will produce an incorrect interface name of
'ovn-424242-in' instead of 'ovn-424242'.
There are a number of ways this could be resolved including
a cleverer regular expression, or re.findall(). However, this
approach was taken as it simplifies the code easing maintainability.
Fixes: 22c5eafb6efa ("ipsec: reintroduce IPsec support for tunneling")
Reported-at: https://bugzilla.redhat.com/show_bug.cgi?id=1908789
Signed-off-by: Mark Gray <mark.d.gray@redhat.com>
Acked-by: Eelco Chaudron <echaudro@redhat.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Too big userdata could overflow netlink message leading to out-of-bound
memory accesses or assertion while formatting nested actions.
Fix that by checking the size and returning correct error code.
Credit to OSS-Fuzz.
Reported-at: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27640
Fixes: e995e3df57ea ("Allow OVS_USERSPACE_ATTR_USERDATA to be variable length.")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Flavio Leitner <fbl@sysclose.org>
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Fixes: 4e92542cefb7 ("ovsdb-tool: Make "show-log" convert raw JSON to easier-to-read syntax.")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Dumitru Ceara <dceara@redhat.com>
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According with rfc4541 section 2.1.1, a snooping switch
should forward membership reports only to ports with
routers attached.The current code violates the RFC
forwarding membership reports to group ports as well.
The same issue doesn't exist with IPv4.
Fixes: 06994f879c ("mcast-snooping: Add Multicast Listener Discovery support")
Signed-off-by: XiaoXiong Ding <dingxiaoxiong@huawei.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit 27de77cec985233bdf6546437b9761853265c505
Author: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Date: Fri Apr 17 02:57:31 2020 +0800
net: openvswitch: ovs_ct_exit to be done under ovs_lock
syzbot wrote:
| =============================
| WARNING: suspicious RCU usage
| 5.7.0-rc1+ #45 Not tainted
| -----------------------------
| net/openvswitch/conntrack.c:1898 RCU-list traversed in non-reader section!!
|
| other info that might help us debug this:
| rcu_scheduler_active = 2, debug_locks = 1
| ...
|
| stack backtrace:
| Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-0-ga698c8995f-prebuilt.qemu.org 04/01/2014
| Workqueue: netns cleanup_net
| Call Trace:
| ...
| ovs_ct_exit
| ovs_exit_net
| ops_exit_list.isra.7
| cleanup_net
| process_one_work
| worker_thread
To avoid that warning, invoke the ovs_ct_exit under ovs_lock and add
lockdep_ovsl_is_held as optional lockdep expression.
Link: https://lore.kernel.org/lkml/000000000000e642a905a0cbee6e@google.com
Fixes: 11efd5cb04a1 ("openvswitch: Support conntrack zone limit")
Cc: Pravin B Shelar <pshelar@ovn.org>
Cc: Yi-Hung Wei <yihung.wei@gmail.com>
Reported-by: syzbot+7ef50afd3a211f879112@syzkaller.appspotmail.com
Signed-off-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Cc: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Fixes: cb2a5486a3a3 ("datapath: conntrack: Support conntrack zone limit")
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
Acked-by: Tonghao Zhang <xiangxia.m.yue@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit 28875945ba98d1b47a8a706812b6494d165bb0a0
Author: Joel Fernandes (Google) <joel@joelfernandes.org>
Date: Tue Jul 16 18:12:22 2019 -0400
rcu: Add support for consolidated-RCU reader checking
This commit adds RCU-reader checks to list_for_each_entry_rcu() and
hlist_for_each_entry_rcu(). These checks are optional, and are indicated
by a lockdep expression passed to a new optional argument to these two
macros. If this optional lockdep expression is omitted, these two macros
act as before, checking for an RCU read-side critical section.
Signed-off-by: Joel Fernandes (Google) <joel@joelfernandes.org>
[ paulmck: Update to eliminate return within macro and update comment. ]
Signed-off-by: Paul E. McKenney <paulmck@linux.ibm.com>
Backport portion of upstream commit for hlist_for_each_entry_rcu() macro
so that it can be used in following bug fix.
Cc: Joel Fernandes (Google) <joel@joelfernandes.org>
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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This is a unit test for the overflow detection issue fixed by commit
a1d2c5f5d9ed ("sha1: Fix algorithm for data bigger than 512 megabytes.")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Paolo Valerio <pvalerio@redhat.com>
Tested-by: Paolo Valerio <pvalerio@redhat.com>
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All CI jobs are covered by GitHub Actions now.
What happened to Travis CI:
https://mail.openvswitch.org/pipermail/ovs-dev/2020-November/377773.html
Acked-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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This is an initial version of GitHub Actions support. It mostly
mimics our current Travis CI build matrix with slight differences.
.travis folder renamed to .ci to highlight that it used not only for
Travis CI. Travis CI support will be completely removed soon.
What happened to Travis CI:
https://mail.openvswitch.org/pipermail/ovs-dev/2020-November/377773.html
Build with ernel 3.19 dropped as it's not supported and can not be built
with gcc-7+.
Acked-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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For some reason, while running cluster torture tests in GitHub Actions
workflow, failure of 'echo' command doesn't fail the loop and subshell
never exits, but keeps infinitely printing errors after breaking from
the loop on the right side of the pipeline:
testsuite: line 8591: echo: write error: Broken pipe
Presumably, that is caused by some shell configuration option, but
I have no idea which one and I'm not able to reproduce locally with
shell configuration options provided in GitHub documentation.
Let's just add an explicit 'exit' on 'echo' failure. This will
guarantee exit from the loop and the subshell regardless of
configuration.
CC: Ben Pfaff <blp@ovn.org>
Fixes: 0f03ae3754ec ("ovsdb: Improve timing in cluster torture test.")
Acked-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Currently all functions of the type *_is_new() always return
'false'. This patch resolves this issue by using the
'OVSDB_IDL_CHANGE_INSERT' 'change_seqno' instead of the
'OVSDB_IDL_CHANGE_MODIFY' 'change_seqno' to determine if a row
is new and by resetting the 'OVSDB_IDL_CHANGE_INSERT'
'change_seqno' on clear.
Further to this, the code is also updated to match the following
behaviour:
When a row is inserted, the 'OVSDB_IDL_CHANGE_INSERT'
'change_seqno' is updated to match the new database
change_seqno. The 'OVSDB_IDL_CHANGE_MODIFY' 'change_seqno'
is not set for inserted rows (only for updated rows).
At the end of a run, ovsdb_idl_db_track_clear() should be
called to clear all tracking information, this includes
resetting all row 'change_seqno' to zero. This will ensure
that subsequent runs will not see a previously 'new' row.
add_tracked_change_for_references() is updated to only
track rows that reference the current row.
Also, update unit tests in order to test the *_is_new(),
*_is_delete() functions.
Suggested-by: Dumitru Ceara <dceara@redhat.com>
Reported-at: https://bugzilla.redhat.com/1883562
Fixes: ca545a787ac0 ("ovsdb-idl.c: Increase seqno for change-tracking of table references.")
Signed-off-by: Mark Gray <mark.d.gray@redhat.com>
Acked-by: Han Zhou <hzhou@ovn.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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In ../compat/nf_conntrack_reasm.c nf_frags_cache_name is declared
if OVS_NF_DEFRAG6_BACKPORT is defined. However, later in the patch
it is only used if HAVE_INET_FRAGS_WITH_FRAGS_WORK is defined and
HAVE_INET_FRAGS_RND is not defined. This will cause a compile warning
about unused variables.
Fix it up by using the same defines that enable its use to decide
if it should be declared and avoid the compiler warning.
Fixes: 4a90b277baca ("compat: Fixup ipv6 fragmentation on 4.9.135+ kernels")
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
Acked-by: Yi-Hung Wei <yihung.wei@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Remove stale and unused code left over after support for kernels
older than 3.10 was removed.
Fixes: 8063e0958780 ("datapath: Drop support for kernel older than 3.10")
Signed-off-by: Greg Rose <gvrose8192@gmail.com>
Acked-by: Yi-Hung Wei <yihung.wei@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Currently "ovs-ofctl parse-flows (NXM)" test doesn't test MPLS fields at all.
This commit adds a test for the the 4 MPLS fields (mpls_label, mpls_tc,
mpls_bos and mpls_ttl) to "ovs-ofctl parse-flows (NXM)" test.
Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Currently mpls_ttl is ignored when a flow is added because MFF_MPLS_TTL is
not handled in nx_put_raw().
This commit adds the correct handling of MFF_MPLS_TTL in nx_put_raw().
Fixes: bef3f465bcd5 ("openflow: Support matching and modifying MPLS TTL field.")
Signed-off-by: Timothy Redaelli <tredaelli@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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With other socket types, trying to connect and failing will return
an error code, but if an SSL Stream is used, then when
check_connection_completion(sock) is called, SSL will raise an
exception that doesn't derive from socket.error which is handled.
This adds handling for SSL.SysCallError which has the same
arguments as socket.error (errno, string). A future enhancement
could be to go through SSLStream class and implement error
checking for all of the possible exceptions similar to how
lib/stream-ssl.c's interpret_ssl_error() works across the various
methods that are implemented.
Fixes: d90ed7d65ba8 ("python: Add SSL support to the python ovs client library")
Signed-off-by: Terry Wilson <twilson@redhat.com>
Acked-by: Thomas Neuman <thomas.neuman@nutanix.com>
Acked-by: Mark Michelson <mmichels@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit 32f0deeebc9172c3f5f4a4d02aab32e6904947f6
Date: Sat, 18 Feb 2017 20:11:47 +0100
lldpd: correctly increase discarded count
When a frame cannot be decoded but has been guessed, increase the
discarded count.
Fix https://github.com/vincentbernat/lldpd/issues/223
Fixes: be53a5c447c3 ("auto-attach: Initial support for Auto-Attach standard")
Co-authored-by: Fabrizio D'Angelo <fdangelo@redhat.com>
Signed-off-by: Fabrizio D'Angelo <fdangelo@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit 109bcd423cd560545ec7940d73a50c5584aebb0c
Author: Vincent Bernat <vincent@bernat.ch>
Date: Sat, 6 Apr 2019 21:17:25 +0200
This was done for organization TLVs, but not for other TLVs.
Fix https://github.com/vincentbernat/lldpd/issues/323
Fixes: be53a5c447c3 ("auto-attach: Initial support for Auto-Attach standard")
Signed-off-by: Fabrizio D'Angelo <fdangelo@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit a8d8006c06d9ac16ebcf33295cbd625c0847ca9b
Author: Vincent Bernat <vincent@bernat.im>
Date: Sun, 4 Oct 2015 01:50:38 +0200
lldp: fix a buffer overflow when handling management address TLV
When a remote device was advertising a too large management address
while still respecting TLV boundaries, lldpd would crash due to a buffer
overflow. However, the buffer being a static one, this buffer overflow
is not exploitable if hardening was not disabled. This bug exists since
version 0.5.6.
Fixes: be53a5c447c3 ("auto-attach: Initial support for Auto-Attach standard")
Reported-by: Jonas Rudloff <jonas.t.rudloff@gmail.com>
Reported-at: https://github.com/openvswitch/ovs/pull/335
Co-authored-by: Fabrizio D'Angelo <fdangelo@redhat.com>
Signed-off-by: Fabrizio D'Angelo <fdangelo@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit a8d8006c06d9ac16ebcf33295cbd625c0847ca9b
Author: Jonas Johansson <jonasj76@gmail.com>
Date: Thu, 21 Apr 2016 11:50:06 +0200
Fix size of PEEK_DISCARD_UINT32()
Signed-off-by: Jonas Johansson <jonasj76@gmail.com>
Fixes: be53a5c447c3 ("auto-attach: Initial support for Auto-Attach standard")
Reported-by: Jonas Rudloff <jonas.t.rudloff@gmail.com>
Reported-at: https://github.com/openvswitch/ovs/pull/336
Signed-off-by: Fabrizio D'Angelo <fdangelo@redhat.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Upstream commit:
commit 3aeae72b97716fddac290634fad02b952d981f17
Author: Vincent Bernat <vincent@bernat.ch>
Date: Tue, 1 Oct 2019 21:42:42 +0200
lldp: validate a bit more received LLDP frames
Notably, we ensure the order and unicity of Chassis ID, Port ID and
TTL TLV. For Chassis ID and Port ID, we also ensure the maximum size
does not exceed 256.
Fix https://github.com/vincentbernat/lldpd/issues/351
Fixes: be53a5c447c3 ("auto-attach: Initial support for Auto-Attach standard")
Signed-off-by: Aaron Conole <aconole@redhat.com>
Co-authored-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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In modern systems, size_t is 64 bits. There is a 32 bit overflow check
in sha1_update(), which will not work correctly, because compiler will
do an automatic cast to 64 bits, since size_t type variable is in the
expression. We do want however to lose data, since this is the whole
idea of this overflow check.
Because of this, computation of SHA-1 checksum will always be incorrect
for any data, that is bigger than 512 megabytes, which in bits is the
boundary of 32 bits integer.
In practice it means that any OVSDB transaction, bigger or equal to 512
megabytes, is considered corrupt and ovsdb-server will refuse to work
with the database file. This is especially critical for OVN southbound
database, since it tends to grow rapidly.
Fixes: 5eccf359391f ("Replace SHA-1 library with one that is clearly licensed.")
Signed-off-by: Renat Nurgaliyev <impleman@gmail.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Length of nested attributes must be checked before storing to the
header. If current length exceeds the maximum value parsing should
fail, otherwise the length value will be truncated leading to
corrupted netlink message and out-of-bound memory accesses:
ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6310002cc838
at pc 0x000000575470 bp 0x7ffc6c322d60 sp 0x7ffc6c322d58
READ of size 1 at 0x6310002cc838 thread T0
SCARINESS: 12 (1-byte-read-heap-buffer-overflow)
#0 0x57546f in format_generic_odp_key lib/odp-util.c:2738:39
#1 0x559e70 in check_attr_len lib/odp-util.c:3572:13
#2 0x56581a in format_odp_key_attr lib/odp-util.c:4392:9
#3 0x5563b9 in format_odp_action lib/odp-util.c:1192:9
#4 0x555d75 in format_odp_actions lib/odp-util.c:1279:13
...
Fix that by checking the length of nested netlink attributes before
updating 'nla_len' inside the header. Additionally introduced
assertion inside nl_msg_end_nested() to catch this kind of issues
before actual overflow happened.
Credit to OSS-Fuzz.
Reported-at: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20003
Fixes: 65da723b40a5 ("odp-util: Format tunnel attributes directly from netlink.")
Acked-by: Flavio Leitner <fbl@sysclose.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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Error should be destroyed before return.
Fixes: 1b1d2e6daa56 ("ovsdb: Introduce experimental support for clustered databases.")
Acked-by: Han Zhou <hzhou@ovn.org>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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OVS uses memcmp to compare actions of existing and new flows, but
'struct ofp_ed_prop_nsh_md_type' and corresponding ofpact structure has
3 bytes of padding that never initialized and passed around within OF
data structures and messages.
Uninitialized bytes in MemcmpInterceptorCommon
at offset 21 inside [0x7090000003f8, 136)
WARNING: MemorySanitizer: use-of-uninitialized-value
#0 0x4a184e in bcmp (vswitchd/ovs-vswitchd+0x4a184e)
#1 0x896c8a in ofpacts_equal lib/ofp-actions.c:9121:31
#2 0x564403 in replace_rule_finish ofproto/ofproto.c:5650:37
#3 0x563462 in add_flow_finish ofproto/ofproto.c:5218:13
#4 0x54a1ff in ofproto_flow_mod_finish ofproto/ofproto.c:8091:17
#5 0x5433b2 in handle_flow_mod__ ofproto/ofproto.c:6216:17
#6 0x56a2fc in handle_flow_mod ofproto/ofproto.c:6190:17
#7 0x565bda in handle_single_part_openflow ofproto/ofproto.c:8504:16
#8 0x540b25 in handle_openflow ofproto/ofproto.c:8685:21
#9 0x6697fd in ofconn_run ofproto/connmgr.c:1329:13
#10 0x668e6e in connmgr_run ofproto/connmgr.c:356:9
#11 0x53f1bc in ofproto_run ofproto/ofproto.c:1890:5
#12 0x4ead0c in bridge_run__ vswitchd/bridge.c:3250:9
#13 0x4e9bc8 in bridge_run vswitchd/bridge.c:3309:5
#14 0x51c072 in main vswitchd/ovs-vswitchd.c:127:9
#15 0x7f23a99011a2 in __libc_start_main (/lib64/libc.so.6)
#16 0x46b92d in _start (vswitchd/ovs-vswitchd+0x46b92d)
Uninitialized value was stored to memory at
#0 0x4745aa in __msan_memcpy.part.0 (vswitchd/ovs-vswitchd)
#1 0x54529f in rule_actions_create ofproto/ofproto.c:3134:5
#2 0x54915e in ofproto_rule_create ofproto/ofproto.c:5284:11
#3 0x55d419 in add_flow_init ofproto/ofproto.c:5123:17
#4 0x54841f in ofproto_flow_mod_init ofproto/ofproto.c:7987:17
#5 0x543250 in handle_flow_mod__ ofproto/ofproto.c:6206:13
#6 0x56a2fc in handle_flow_mod ofproto/ofproto.c:6190:17
#7 0x565bda in handle_single_part_openflow ofproto/ofproto.c:8504:16
#8 0x540b25 in handle_openflow ofproto/ofproto.c:8685:21
#9 0x6697fd in ofconn_run ofproto/connmgr.c:1329:13
#10 0x668e6e in connmgr_run ofproto/connmgr.c:356:9
#11 0x53f1bc in ofproto_run ofproto/ofproto.c:1890:5
#12 0x4ead0c in bridge_run__ vswitchd/bridge.c:3250:9
#13 0x4e9bc8 in bridge_run vswitchd/bridge.c:3309:5
#14 0x51c072 in main vswitchd/ovs-vswitchd.c:127:9
#15 0x7f23a99011a2 in __libc_start_main (/lib64/libc.so.6)
Uninitialized value was created by an allocation of 'ofpacts_stub'
in the stack frame of function 'handle_flow_mod'
#0 0x569e80 in handle_flow_mod ofproto/ofproto.c:6170
This could cause issues with flow modifications or other operations.
To reproduce, some NSH tests could be run under valgrind or clang
MemorySantizer. Ex. "nsh - md1 encap over a veth link" test.
Fix that by clearing padding bytes while encoding and decoding.
OVS will still accept OF messages with non-zero padding from
controllers.
New tests added to tests/ofp-actions.at.
Fixes: 1fc11c5948cf ("Generic encap and decap support for NSH")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Jan Scheurich <jan.scheurich@ericsson.com>
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ovs-router module checks for the source ip address of the interface
while adding a new route. netdev module doesn't request ip addresses
from the system every time, but instead it caches currently assigned
ip addresses and updates the cache on netlink notifications if needed.
So, there is a slight delay between setting ip address on interface
in a system and a moment OVS updates list of ip addresses of this
interface. If route addition happens within this time frame, it
fails with the following error:
# ovs-appctl ovs/route/add 10.0.0.0/24 br-p1
Error while inserting route.
ovs-appctl: ovs-vswitchd: server returned an error
This makes system tests to fail frequently.
Let's wait until local route successfully added. This will mean
that OVS finished processing of a netlink event and will use up to
date list of ip addresses on desired interface.
Fixes: 526cf4e1d6a8 ("tests: Added unit tests in packet-type-aware.at")
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Aaron Conole <aconole@redhat.com>
Acked-by: Flavio Leitner <fbl@sysclose.org>
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