Age | Commit message (Collapse) | Author |
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RFC-1122 (and others) specify that UDP should not receive
datagrams that have a source address that is a multicast address.
Packets should never be received FROM a multicast address.
See also, RFC 768: 'User Datagram Protocol'
J. Postel, ISI, 28 August 1980
A UDP datagram received with an invalid IP source address
(e.g., a broadcast or multicast address) must be discarded
by UDP or by the IP layer (see rfc 1122 Section 3.2.1.3).
This CL does not address TCP or broadcast which is more complicated.
Also adds a test for both ipv6 and ipv4 UDP.
Fixes #3154
PiperOrigin-RevId: 320547674
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Updates #2746
Fixes #3158
PiperOrigin-RevId: 320497190
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Container restart test is disabled for VFS2 for now.
Updates #1487
PiperOrigin-RevId: 320296401
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Moves following to new dockerutil API:
- //test/e2e:integration_test
- //test/image:image_test
- //test/iptables:iptables_test
- //test/root:root_test
- //test/packetimpact:packetimpact_test
PiperOrigin-RevId: 320253118
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PiperOrigin-RevId: 320250773
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Fixed an issue with the runtime test runner which enables us to run tests in
shards. We had to touch the status file as indicated by an env var.
PiperOrigin-RevId: 320236205
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Removed VDSO dependency on VFS1.
Resolves #2921
PiperOrigin-RevId: 320122176
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RFC 6864 imposes various restrictions on the uniqueness of the IPv4
Identification field for non-atomic datagrams, defined as an IP datagram that
either can be fragmented (DF=0) or is already a fragment (MF=1 or positive
fragment offset). In order to be compliant, the ID field is assigned for all
non-atomic datagrams.
Add a TCP unit test that induces retransmissions and checks that the IPv4
ID field is unique every time. Add basic handling of the IP_MTU_DISCOVER
socket option so that the option can be used to disable PMTU discovery,
effectively setting DF=0. Attempting to set the sockopt to anything other
than disabled will fail because PMTU discovery is currently not implemented,
and the default behavior matches that of disabled.
PiperOrigin-RevId: 320081842
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The current convention is when a header is set to pkt.XxxHeader field, it
gets removed from pkt.Data. ICMP does not currently follow this convention.
PiperOrigin-RevId: 320078606
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This change fixes a few things:
- creating sockets using mknod(2) is supported via vfs2
- fsgofer can create regular files via mknod(2)
- mode = 0 for mknod(2) will be interpreted as regular file in vfs2 as well
Updates #2923
PiperOrigin-RevId: 320074267
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The fdnotifier package provides an API to a thread that continually epolls
arbitrary host FDs. The set of events polled for each host FD is (intended to
be) all events for which a waiter.Entry has expressed interest, as returned by
waiter.Queue.Events() for the waiter.Queue registered to the given host FD.
When the set of events changes (due to a change in the set of registered
waiter.Entries), the mutator must call fdnotifier.UpdateFD() to recalculate the
new event set and propagate it to the epoll FD.
PiperOrigin-RevId: 319924719
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Calling sync on a readonly file flushes metadata that
may have been modified, like last access time.
Updates #1198
PiperOrigin-RevId: 319888290
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Updates #2746
PiperOrigin-RevId: 319887810
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PiperOrigin-RevId: 319882171
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Reserve the MSB from ino for synthetic dentries to prevent
conflict with regular dentries. Log warning in case MSB is
set for regular dentries.
Updates #1487
PiperOrigin-RevId: 319869858
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stack_x_test: 2m -> 20s
tcp_x_test: 80s -> 25s
PiperOrigin-RevId: 319828101
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PiperOrigin-RevId: 319770124
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Avoid a race where an arbitrary goroutine scheduling delay can cause the
processor to miss events and hang indefinitely.
Reduce allocations by storing processors by-value in the dispatcher, and
by using a single WaitGroup rather than one per processor.
PiperOrigin-RevId: 319665861
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We do not support RWF_SYNC/RWF_DSYNC and probably shouldn't silently accept
them, since the user may incorrectly believe that we are synchronizing I/O.
Remove the pwritev2 test verifying that we support these flags.
gvisor.dev/issue/2601 is the tracking bug for deciding which RWF_.* flags
we need and supporting them.
Updates #2923, #2601.
PiperOrigin-RevId: 319351286
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We were not invalidating mappings when the file size changed in shared mode.
Enabled the syscall test for vfs2.
Updates #2923
PiperOrigin-RevId: 319346569
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Some Open:TruncateXxx syscall tests were failing because the file size was
not being updated when the file was opened with O_TRUNC.
Fixes Truncate tests in test/syscalls:open_test_runsc_ptrace_vfs2.
Updates #2923
PiperOrigin-RevId: 319340127
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Complements cl/315991648.
PiperOrigin-RevId: 319327853
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