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The former is needed for vfs.FileDescription to implement
memmap.MappingIdentity, and the latter is needed to implement getcwd(2).
PiperOrigin-RevId: 285051855
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We're missing several packages that runsc doesn't depend on. Most notable are
several tcpip link packages.
To find packages, I looked at a diff of directories on master vs go:
$ bazel build //:gopath
$ find bazel-bin/gopath/src/gvisor.dev/gvisor/ -type d > /tmp/gopath.txt
$ find . -type d > /tmp/master.txt
$ sed 's|bazel-bin/gopath/src/gvisor.dev/gvisor/||' < /tmp/gopath.txt > /tmp/gopath.trunc.txt
$ sed 's|./||' < /tmp/master.txt > /tmp/master.trunc.txt
$ vimdiff /tmp/gopath.trunc.txt /tmp/master.trunc.txt
Testing packages are still left out because :gopath can't depend on testonly
targets...
PiperOrigin-RevId: 285049029
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PiperOrigin-RevId: 285038987
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runsc debug --ps list all processes with all threads. This option is added to
the debug command but not to the ps command, because it is going to be used for
debug purposes and we want to add any useful information without thinking about
backward compatibility.
This will help to investigate syzkaller issues.
PiperOrigin-RevId: 285013668
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Also, improve performance by calculating how much space is needed before making
an allocation for sendmsg in hostinet.
PiperOrigin-RevId: 284898581
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PiperOrigin-RevId: 284892289
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This change adds support to let an integrator know when it receives an NDP
Router Advertisement message with the NDP Recursive DNS Server option with at
least one DNS server's address. The stack will not maintain any state related to
the DNS servers - the integrator is expected to maintain any required state and
invalidate the servers after its valid lifetime expires, or refresh the lifetime
when a new one is received for a known DNS server.
Test: Unittest to make sure that an event is sent to the integrator when an NDP
Recursive DNS Server option is received with at least one address.
PiperOrigin-RevId: 284890502
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I1202 14:55:06.835076 7991 x:0] [ 1] select_test E
select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0})
I1202 14:55:06.835102 7991 x:0] [ 1] select_test X
select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0})
PiperOrigin-RevId: 284831805
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PiperOrigin-RevId: 284804370
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Package strace is missing some syscalls we actually implement (e.g.,
getrandom). We also see newer syscalls sometimes (e.g., membarrier) that would
be handy to have formatted.
Let's go ahead and add all syscalls in the latest upstream release (v5.4), even
though we only intend to implement v4.4. None of them are implemented, just
included as placeholders.
PiperOrigin-RevId: 284797577
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PiperOrigin-RevId: 284791600
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Next steps include adding support to the transport demuxer and the UDP endpoint.
PiperOrigin-RevId: 284652151
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PiperOrigin-RevId: 284606233
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PiperOrigin-RevId: 284320186
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Fix bugs in updates to TCP CurrentEstablished stat.
Fixes #1277
PiperOrigin-RevId: 284292459
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This adds meaningful annotations to the trace generated by the runtime/trace
package.
PiperOrigin-RevId: 284290115
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This change marks the socket as ESTABLISHED and creates the receiver and sender
the moment we send the final ACK in case of an active TCP handshake or when we
receive the final ACK for a passive TCP handshake. Before this change there was
a short window in which an ACK can be received and processed but the state on
the socket is not yet ESTABLISHED.
This can be seen in TestConnectBindToDevice which is flaky because sometimes
the socket is in SYN-SENT and not ESTABLISHED even though the other side has
already received the final ACK of the handshake.
PiperOrigin-RevId: 284277713
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This change allows the netstack to do SLAAC as outlined by RFC 4862 section 5.5.
Note, this change will not break existing uses of netstack as the default
configuration for the stack options is set in such a way that SLAAC
will not be performed. See `stack.Options` and `stack.NDPConfigurations` for
more details.
This change reuses 1 option and introduces a new one that is required to take
advantage of SLAAC, all available under NDPConfigurations:
- HandleRAs: Whether or not NDP RAs are processes
- AutoGenGlobalAddresses: Whether or not SLAAC is performed.
Also note, this change does not deprecate SLAAC generated addresses after the
preferred lifetime. That will come in a later change (b/143713887). Currently,
only the valid lifetime is honoured.
Tests: Unittest to make sure that SLAAC generates and adds addresses only when
configured to do so. Tests also makes sure that conflicts with static addresses
do not modify the static address.
PiperOrigin-RevId: 284265317
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Threadgroups already know their TTY (if they have one), which now contains the
TTY Index, and is returned in the Processes() call.
PiperOrigin-RevId: 284263850
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PiperOrigin-RevId: 284191345
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Some versions of glibc will convert F_GETOWN fcntl(2) calls into F_GETOWN_EX in
some cases.
PiperOrigin-RevId: 284089373
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PiperOrigin-RevId: 284038840
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PiperOrigin-RevId: 284033820
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This change adds a type to represent the NDP Recursive DNS Server option, as
defined by RFC 8106 section 5.1.
PiperOrigin-RevId: 284005493
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