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SO_OOBINLINE option is set/get as boolean value, which is the same as linux.
As we currently do not support disabling this option, we always return it as
true.
PiperOrigin-RevId: 347413905
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- Deep-copy pkt.Data and hold it instead of shallow-copy (vv.Clone).
This allows the pkt's backing array, which includes the header portion,
to be freed.
- Remove fragHeap. The fragments are now held in holes struct instead.
- Stop reserving the initial capacity of holes slice.
PiperOrigin-RevId: 347198744
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Adds IPv6 extension header serializer and Hop by Hop options serializer.
Add RouterAlert option serializer and use it in MLD.
Fixed #4996
Startblock:
has LGTM from marinaciocea
and then
add reviewer ghanan
PiperOrigin-RevId: 347174537
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PiperOrigin-RevId: 347091372
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PiperOrigin-RevId: 347089828
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This command takes instruction pointers from stdin and converts them into their
corresponding file names and line/column numbers in the runsc source code. The
inputs are not interpreted as actual addresses, but as synthetic values that are
exposed through /sys/kernel/debug/kcov. One can extract coverage information
from kcov and translate those values into locations in the source code by
running symbolize on the same runsc binary.
This will allow us to generate syzkaller coverage reports.
PiperOrigin-RevId: 347089624
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We do not rely on error for getsockopt options(which have boolean values)
anymore. This will cause issue in sendmsg where we used to return error
for IPV6_V6Only option. Fix the panic by returning error (for sockets other
than TCP and UDP) if the address does not match the type(AF_INET/AF_INET6) of
the socket.
PiperOrigin-RevId: 347063838
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PiperOrigin-RevId: 347047550
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tcpip.ControlMessages can not contain Linux specific structures which makes it
painful to convert back and forth from Linux to tcpip back to Linux when passing
around control messages in hostinet and raw sockets.
Now we convert to the Linux version of the control message as soon as we are
out of tcpip.
PiperOrigin-RevId: 347027065
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PiperOrigin-RevId: 346973338
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PiperOrigin-RevId: 346923826
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fdbased endpoint was enabling fragment reassembly on the host AF_PACKET socket
to ensure that fragments are delivered inorder to the right dispatcher. But this
prevents fragments from being delivered to gvisor at all and makes testing of
gvisor's fragment reassembly code impossible.
The potential impact from this is minimal since IP Fragmentation is not really
that prevelant and in cases where we do get fragments we may deliver the
fragment out of order to the TCP layer as multiple network dispatchers may
process the fragments and deliver a reassembled fragment after the next packet
has been delivered to the TCP endpoint. While not desirable I believe the impact
from this is minimal due to low prevalence of fragmentation.
Also removed PktType and Hatype fields when binding the socket as these are not
used when binding. Its just confusing to have them specified.
See: https://man7.org/linux/man-pages/man7/packet.7.html
"Fields used for binding are
sll_family (should be AF_PACKET), sll_protocol, and sll_ifindex."
Fixes #5055
PiperOrigin-RevId: 346919439
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This change also considers interfaces and network endpoints enabled up
up to the point all work to disable them are complete. This was needed
so that protocols can perform shutdown work while being disabled (e.g.
sending a packet which requires the endpoint to be enabled to obtain a
source address).
Bug #4682, #4861
Fixes #4888
Startblock:
has LGTM from peterjohnston
and then
add reviewer brunodalbo
PiperOrigin-RevId: 346869702
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Fixes #5004
PiperOrigin-RevId: 346643745
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AtomicPtrMap is a generic concurrent map from arbitrary keys to arbitrary
pointer values.
Benchmarks:
name time/op
StoreDelete/RWMutexMap-12 335ns ± 1%
StoreDelete/SyncMap-12 705ns ± 3%
StoreDelete/AtomicPtrMap-12 287ns ± 4%
StoreDelete/AtomicPtrMapSharded-12 289ns ± 1%
LoadOrStoreDelete/RWMutexMap-12 342ns ± 2%
LoadOrStoreDelete/SyncMap-12 662ns ± 2%
LoadOrStoreDelete/AtomicPtrMap-12 290ns ± 7%
LoadOrStoreDelete/AtomicPtrMapSharded-12 293ns ± 2%
LookupPositive/RWMutexMap-12 101ns ±26%
LookupPositive/SyncMap-12 202ns ± 2%
LookupPositive/AtomicPtrMap-12 71.1ns ± 2%
LookupPositive/AtomicPtrMapSharded-12 73.2ns ± 1%
LookupNegative/RWMutexMap-12 119ns ± 1%
LookupNegative/SyncMap-12 154ns ± 1%
LookupNegative/AtomicPtrMap-12 84.7ns ± 3%
LookupNegative/AtomicPtrMapSharded-12 86.8ns ± 1%
Concurrent/FixedKeys_1PercentWrites_RWMutexMap-12 1.32µs ± 2%
Concurrent/FixedKeys_1PercentWrites_SyncMap-12 52.7ns ±10%
Concurrent/FixedKeys_1PercentWrites_AtomicPtrMap-12 31.8ns ±20%
Concurrent/FixedKeys_1PercentWrites_AtomicPtrMapSharded-12 24.0ns ±15%
Concurrent/FixedKeys_10PercentWrites_RWMutexMap-12 860ns ± 3%
Concurrent/FixedKeys_10PercentWrites_SyncMap-12 68.8ns ±20%
Concurrent/FixedKeys_10PercentWrites_AtomicPtrMap-12 98.6ns ± 7%
Concurrent/FixedKeys_10PercentWrites_AtomicPtrMapSharded-12 42.0ns ±25%
Concurrent/FixedKeys_50PercentWrites_RWMutexMap-12 1.17µs ± 3%
Concurrent/FixedKeys_50PercentWrites_SyncMap-12 136ns ±34%
Concurrent/FixedKeys_50PercentWrites_AtomicPtrMap-12 286ns ± 3%
Concurrent/FixedKeys_50PercentWrites_AtomicPtrMapSharded-12 115ns ±35%
Concurrent/ChangingKeys_1PercentWrites_RWMutexMap-12 1.27µs ± 2%
Concurrent/ChangingKeys_1PercentWrites_SyncMap-12 5.01µs ± 3%
Concurrent/ChangingKeys_1PercentWrites_AtomicPtrMap-12 38.1ns ± 3%
Concurrent/ChangingKeys_1PercentWrites_AtomicPtrMapSharded-12 22.6ns ± 2%
Concurrent/ChangingKeys_10PercentWrites_RWMutexMap-12 1.08µs ± 2%
Concurrent/ChangingKeys_10PercentWrites_SyncMap-12 5.97µs ± 1%
Concurrent/ChangingKeys_10PercentWrites_AtomicPtrMap-12 390ns ± 2%
Concurrent/ChangingKeys_10PercentWrites_AtomicPtrMapSharded-12 93.6ns ± 1%
Concurrent/ChangingKeys_50PercentWrites_RWMutexMap-12 1.77µs ± 2%
Concurrent/ChangingKeys_50PercentWrites_SyncMap-12 8.07µs ± 2%
Concurrent/ChangingKeys_50PercentWrites_AtomicPtrMap-12 1.61µs ± 2%
Concurrent/ChangingKeys_50PercentWrites_AtomicPtrMapSharded-12 386ns ± 1%
Updates #231
PiperOrigin-RevId: 346614776
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Earlier we could not save tcpip.Error objects in structs because upon restore
the constant's address changes in netstack's error translation map and
translating the error would panic because the map is based on the address of the
tcpip.Error instead of the error itself.
Now I made that translations map use the error message as key instead of the
address. Added relevant synchronization mechanisms to protect the structure
and initialize it upon restore.
PiperOrigin-RevId: 346590485
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The loopback interface will never have any neighbouring nodes so
advertising its interest in multicast groups is unnecessary.
Bug #4682, #4861
Startblock:
has LGTM from asfez
and then
add reviewer tamird
PiperOrigin-RevId: 346587604
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startblock:
has LGTM from peterjohnston
and then
add reviewer ghanan,tamird
PiperOrigin-RevId: 346565589
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PiperOrigin-RevId: 346496532
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PiperOrigin-RevId: 346487763
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Don't propagate arbitrary golang errors up from fusefs because errors
that don't map to an errno result in a sentry panic.
Reported-by: syzbot+697cb635346e456fddfc@syzkaller.appspotmail.com
PiperOrigin-RevId: 346220306
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PiperOrigin-RevId: 346197760
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Removes comment lines about MaxUnsolicitedReportDelay. This is already
documented in the comment for GenericMulticastProtocolOptions.
PiperOrigin-RevId: 346185053
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PiperOrigin-RevId: 346143528
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PiperOrigin-RevId: 346134026
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