Age | Commit message (Collapse) | Author |
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There was a very bare get/setxattr in the InodeOperations interface. Add
context.Context to both, size to getxattr, and flags to setxattr.
Note that extended attributes are passed around as strings in this
implementation, so size is automatically encoded into the value. Size is
added in getxattr so that implementations can return ERANGE if a value is larger
than can fit in the user-allocated buffer. This prevents us from unnecessarily
passing around an arbitrarily large xattr when the user buffer is actually too
small.
Don't use the existing xattrwalk and xattrcreate messages and define our
own, mainly for the sake of simplicity.
Extended attributes will be implemented in future commits.
PiperOrigin-RevId: 290121300
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Except for one under /proc/sys/net/ipv4/tcp_sack.
/proc/pid/* is still incomplete.
Updates #1195
PiperOrigin-RevId: 290120438
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PiperOrigin-RevId: 290113719
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sys_clone has many flavors in Linux, and amd64 chose
a different one from x86(different arguments order).
Ref kernel/fork.c for more info.
Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I6c8cbc685f4a6e786b171715ab68292fc95cbf48
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/1545 from xiaobo55x:clone 156bd2dfbc63ef5291627b0578ddea77997393b2
PiperOrigin-RevId: 290093953
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If a previously added IPv6 address (statically or via SLAAC) was removed, it
would be left in an expired state waiting to be cleaned up if any references to
it were still held. During this time, the same address could be regenerated via
SLAAC, which should be allowed. This change supports this scenario.
When upgrading an endpoint from temporary or permanentExpired to permanent,
respect the new configuration type (static or SLAAC) and deprecated status,
along with the new PrimaryEndpointBehavior (which was already supported).
Test: stack.TestAutoGenAddrAfterRemoval
PiperOrigin-RevId: 289990168
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This change adds support to send NDP Router Solicitation messages when a NIC
becomes enabled as a host, as per RFC 4861 section 6.3.7.
Note, Router Solicitations will only be sent when the stack has forwarding
disabled.
Tests: Unittests to make sure that the initial Router Solicitations are sent
as configured. The tests also validate the sent Router Solicitations' fields.
PiperOrigin-RevId: 289964095
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PiperOrigin-RevId: 289962040
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PiperOrigin-RevId: 289925133
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The change to introduce worker goroutines can cause the endpoint
to transition to StateError and we should terminate the loop rather
than let the endpoint transition to a CLOSED state as we do
in case the endpoint enters TIME-WAIT/CLOSED. Moving to a closed
state would cause the actual error to not be propagated to
any read() calls etc.
PiperOrigin-RevId: 289923568
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Signed-off-by: Bin Lu <bin.lu@arm.com>
Change-Id: I9cce23db4e5caec82ce42b4970fdb7f7e8c08f1d
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/773 from lubinszARM:pr_arch_basic 3fe2fd8e6286766bbe489ef971dce204f924feba
PiperOrigin-RevId: 289795569
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All inbound segments for connections in ESTABLISHED state are delivered to the
endpoint's queue but for every segment delivered we also queue the endpoint for
processing to a selected processor. This ensures that when there are a large
number of connections in ESTABLISHED state the inbound packets are all handled
by a small number of goroutines and significantly reduces the amount of work the
goscheduler has to perform.
We let connections in other states follow the current path where the
endpoint's goroutine directly handles the segments.
Updates #231
PiperOrigin-RevId: 289728325
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PiperOrigin-RevId: 289718534
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Do Source Address Selection when choosing an IPv6 source address as per RFC 6724
section 5 rules 1-3:
1) Prefer same address
2) Prefer appropriate scope
3) Avoid deprecated addresses.
A later change will update Source Address Selection to follow rules 4-8.
Tests:
Rule 1 & 2: stack.TestIPv6SourceAddressSelectionScopeAndSameAddress,
Rule 3: stack.TestAutoGenAddrTimerDeprecation,
stack.TestAutoGenAddrDeprecateFromPI
PiperOrigin-RevId: 289559373
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Fixes #1490
Fixes #1495
PiperOrigin-RevId: 289523250
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PiperOrigin-RevId: 289479774
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PiperOrigin-RevId: 289169518
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CancellableTimer tests were in a timer_test package but lived within the
tcpip directory. This caused issues with go tools.
PiperOrigin-RevId: 289166345
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Allows retrieving the goroutine ID for concurrency testing when the race
detector is enabled.
Updates #1472
PiperOrigin-RevId: 289155308
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This is a band-aid fix for now to prevent panics.
PiperOrigin-RevId: 289078453
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* Rename syncutil to sync.
* Add aliases to sync types.
* Replace existing usage of standard library sync package.
This will make it easier to swap out synchronization primitives. For example,
this will allow us to use primitives from github.com/sasha-s/go-deadlock to
check for lock ordering violations.
Updates #1472
PiperOrigin-RevId: 289033387
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PiperOrigin-RevId: 289019953
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Inform the Stack's NDPDispatcher when it receives an NDP Router Advertisement
that updates the available configurations via DHCPv6. The Stack makes sure that
its NDPDispatcher isn't informed unless the avaiable configurations via DHCPv6
for a NIC is updated.
Tests: Test that a Stack's NDPDispatcher is informed when it receives an NDP
Router Advertisement that informs it of new configurations available via DHCPv6.
PiperOrigin-RevId: 289001283
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Internal tools timeout after 60s during tests that are required to pass before
changes can be submitted. Separate out NDP tests into its own package to help
prevent timeouts when testing.
PiperOrigin-RevId: 288990597
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PiperOrigin-RevId: 288965915
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This makes it possible to call the sockopt from go even when the NIC has no
name.
PiperOrigin-RevId: 288955236
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...retrievable later via stack.NICInfo().
Clients of this library can use it to add metadata that should be tracked
alongside a NIC, to avoid having to keep a map[tcpip.NICID]metadata mirroring
stack.Stack's nic map.
PiperOrigin-RevId: 288924900
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When PCID is disabled, there would throw a panic
when dropPageTables() access to c.PCID without check.
Signed-off-by: Lai Jiangshan <eag0628@gmail.com>
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