Age | Commit message (Collapse) | Author |
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PiperOrigin-RevId: 336366624
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PiperOrigin-RevId: 336362818
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- sysinfo(2) does not actually require a fine-grained breakdown of memory
usage. Accordingly, instead of calling pgalloc.MemoryFile.UpdateUsage() to
update the sentry's fine-grained memory accounting snapshot, just use
pgalloc.MemoryFile.TotalUsage() (which is a single fstat(), and therefore far
cheaper).
- Use the number of threads in the root PID namespace (i.e. globally) rather
than in the task's PID namespace for consistency with Linux (which just reads
global variable nr_threads), and add a new method to kernel.PIDNamespace to
allow this to be read directly from an underlying map rather than requiring
the allocation and population of an intermediate slice.
PiperOrigin-RevId: 336353100
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PiperOrigin-RevId: 336339194
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Reported-by: syzbot+bb82fb556d5d0a43f632@syzkaller.appspotmail.com
PiperOrigin-RevId: 336324720
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PiperOrigin-RevId: 336304024
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When a completed entry exists for a neighbor, there is no need to block
while reachability is (re)confirmed. The stack should continue to use
the neighbor's link address while NUD is performed.
Test: stack_test.TestNeighborCacheReplace
PiperOrigin-RevId: 336199043
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cf. 2a36ab717e8f "rseq/membarrier: Add MEMBARRIER_CMD_PRIVATE_EXPEDITED_RSEQ"
PiperOrigin-RevId: 336186795
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When a response needs to be sent to an incoming packet, the stack should
consult its neighbour table to determine the remote address's link
address.
When an entry does not exist in the stack's neighbor table, the stack
should queue the packet while link resolution completes. See comments.
PiperOrigin-RevId: 336185457
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When the neighbor table already has link address for a neighbor but is
trying to confirm reachability, it may send unicast probes to the
neighbor.
PiperOrigin-RevId: 336166711
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the correct value needed is 0xbbff440c0400 but the const
defined is 0x000000000000ffc0 due to the operator error
in _MT_EL1_INIT, both kernel and user space memory
attribute should be Normal memory not DEVICE_nGnRE
Signed-off-by: Min Le <lemin.lm@antgroup.com>
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It was originally set to 30s for IPv6 (same as IPv4) but this is not
what RFC 8200 prescibes. Linux also defaults to 60s [1].
[1] https://github.com/torvalds/linux/blob/47ec5303d73ea344e84f46660fff693c57641386/include/net/ipv6.h#L456
PiperOrigin-RevId: 336034636
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This change also adds support to go_stateify for detecting an appropriate
receiver name, avoiding a large number of false positives.
PiperOrigin-RevId: 335994587
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PiperOrigin-RevId: 335930035
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By using TSC scaling as a hack, we can trick the kernel into setting an offset
of exactly zero. Huzzah!
PiperOrigin-RevId: 335922019
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...per RFC 4861 s7.1.1.
PiperOrigin-RevId: 335742851
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Most of the IPv4 fragmentation code was moved in the fragmentation
package and it is reused by IPv6 fragmentation.
Test:
- pkg/tcpip/network/ipv4:ipv4_test
- pkg/tcpip/network/ipv6:ipv6_test
- pkg/tcpip/network/fragmentation:fragmentation_test
Fixes #4389
PiperOrigin-RevId: 335714280
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Updates #267
PiperOrigin-RevId: 335713923
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PiperOrigin-RevId: 335709552
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PiperOrigin-RevId: 335583637
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The IPv4 RFCs are specific (though obtuse) that an echo response
packet needs to contain all the options from the echo request,
much as if it been routed back to the sender, though apparently
with a new TTL. They suggest copying the incoming packet header
to achieve this so that is what this patch does.
PiperOrigin-RevId: 335559176
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PiperOrigin-RevId: 335548610
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PiperOrigin-RevId: 335532690
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Updates #1487
PiperOrigin-RevId: 335516732
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PiperOrigin-RevId: 335492800
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We can get the network endpoint directly from the NIC.
This is a preparatory CL for when a Route needs to hold a dedicated NIC
as its output interface. This is because when forwarding is enabled,
packets may be sent from a NIC different from the NIC a route's local
address is associated with.
PiperOrigin-RevId: 335484500
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