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2021-09-24Merge release-20210921.0-27-g12175748a (automated)gVisor bot
2021-09-23Allow lisafs client to send more data than MaxMessageSize using chunks.Ayush Ranjan
The p9 client does the same. This allows applications to read/write >= 2MB of data. This enables the read write benchmarks to work with lisafs. Updates #5466 PiperOrigin-RevId: 398659947
2021-09-23Merge release-20210921.0-26-g2b7766333 (automated)gVisor bot
2021-09-23Create the cgroupfs mount point in sysfs.Rahat Mahmood
Create the /sys/fs/cgroup directory when cgroups are available. This creates the empty directory to serve as the mountpoint, actually mounting cgroups is left to the launcher/userspace. This is consistent with Linux behaviour. Without this mountpoint, getdents(2) on /sys/fs indicates an empty directory even if the launcher mounts cgroupfs at /sys/fs/cgroup. The launcher can't create the mountpoint directory since sysfs doesn't support mkdir. PiperOrigin-RevId: 398596698
2021-09-23Merge release-20210921.0-25-g93ac15577 (automated)gVisor bot
2021-09-23Merge pull request #6573 from avagin:kvm-seccomp-mmapgVisor bot
PiperOrigin-RevId: 398572735
2021-09-23Merge release-20210921.0-20-g8627db006 (automated)gVisor bot
2021-09-23Pass AddressableEndpoint to IPTablesGhanan Gowripalan
...instead of an address. This allows a later change to more precisely select an address based on the NAT type (source vs. destination NAT). PiperOrigin-RevId: 398559901
2021-09-23Merge release-20210921.0-19-g1df5ad1c7 (automated)gVisor bot
2021-09-23Implement S/R for TransportEndpointStatsTamir Duberstein
PiperOrigin-RevId: 398559780
2021-09-23Merge release-20210921.0-18-g2e4f26ac5 (automated)gVisor bot
2021-09-23Compose ICMP endpoint with datagram-based endpointGhanan Gowripalan
An ICMP endpoint's write path can use the datagram-based endpoint. Updates #6565. Test: Datagram-based generic socket + ICMP/ping syscall tests. PiperOrigin-RevId: 398539844
2021-09-23Merge release-20210921.0-17-gd480289ad (automated)gVisor bot
2021-09-23Introduce method per iptables hookGhanan Gowripalan
...to make it clear what arguments are needed per hook. PiperOrigin-RevId: 398538776
2021-09-23Merge release-20210921.0-16-g603de33b7 (automated)gVisor bot
2021-09-23Avoid listenContext.listenEP when it is the receiverTamir Duberstein
This circular reference is misleading at best, and the various code and commentary that claim `listenEP` can be nil are impossible by definition. Add checklocks annotations to enforce preconditions. PiperOrigin-RevId: 398517574
2021-09-23Merge release-20210921.0-15-g861c6c897 (automated)gVisor bot
2021-09-22Merge pull request #6617 from Stig124:docs-aptgVisor bot
PiperOrigin-RevId: 398393055
2021-09-23Merge release-20210921.0-13-gde750eb1d (automated)gVisor bot
2021-09-22Add Execve and ExitNotifyParent checkpoints.Jamie Liu
Call sites for the two checkpoints aren't added yet. PiperOrigin-RevId: 398375903
2021-09-23Merge release-20210921.0-12-gd87725451 (automated)gVisor bot
2021-09-22Track UDP connectionsGhanan Gowripalan
This will enable NAT to be performed on UDP packets that are sent in response to packets sent by the stack. This will also enable ICMP errors to be properly NAT-ed in response to UDP packets (#5916). Updates #5915. PiperOrigin-RevId: 398373251
2021-09-22Make benchmark `String()` output prettier.Etienne Perot
PiperOrigin-RevId: 398372542
2021-09-23Merge release-20210921.0-10-gcea0a1aa7 (automated)gVisor bot
2021-09-22Fold rcv_test into tcp_testTamir Duberstein
This prevents go module errors of the form found packages tcp (accept.go) and rcv (rcv_test.go) in ... PiperOrigin-RevId: 398370042
2021-09-23Merge release-20210921.0-9-g6b7f58b2a (automated)gVisor bot
2021-09-22Add `NewCondition` helper in `bigquery.go`.Etienne Perot
PiperOrigin-RevId: 398366805
2021-09-22Merge release-20210906.0-59-g586f147cd (automated)gVisor bot
2021-09-22Do not rate limit ICMP Echos by defaultBruno Dal Bo
As per https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt linux does not limit ICMP Echos by default. icmp_ratemask - INTEGER Mask made of ICMP types for which rates are being limited. Significant bits: IHGFEDCBA9876543210 Default mask: 0000001100000011000 (6168) Bit definitions (see include/linux/icmp.h): 0 Echo Reply 3 Destination Unreachable * 4 Source Quench * 5 Redirect 8 Echo Request B Time Exceeded * C Parameter Problem * D Timestamp Request E Timestamp Reply F Info Request G Info Reply H Address Mask Request I Address Mask Reply * These are rate limited by default (see default mask above) Equivalently for ICMPv6. Lay out foundation for ICMP rate masks, exposing that configuration will be addressed later when the need arises (#6521). Fixes #6519 PiperOrigin-RevId: 398337963
2021-09-22Change EcdsaVerify to specifically P-384 and compute the SHA384 digest.Carmen Hanish
PiperOrigin-RevId: 398336708
2021-09-22kvm: check that safecopy is handled correctly in the guest ring0Andrei Vagin
Signed-off-by: Andrei Vagin <avagin@google.com>
2021-09-22kvm: trap mmap syscalls to map new regions to the guestAndrei Vagin
We install seccomp rules so that the SIGSYS signal is generated for each mmap system call. Then our signal handler executes the real mmap syscall and if a new regions is created, it maps it to the guest. Signed-off-by: Andrei Vagin <avagin@google.com>
2021-09-22kvm/arm: calculate virtual-to-physical mappings only onceAndrei Vagin
2021-09-22kvm: fix tests on arm64AV
2021-09-22Merge release-20210906.0-57-g5768a147b (automated)gVisor bot
2021-09-22Populate forwarded packet buffer's TransportHeaderGhanan Gowripalan
Turns out certain features of iptables (e.g. NAT) will not perform any checks/work unless both the Network and Transport headers are populated. With this change, provide the packet directly to the outgoing network endpoint's `writePacket` method instead of going through `WriteHeaderIncludedPacket` which expected the headers to not be set. PiperOrigin-RevId: 398304004
2021-09-22Remove terminal usage from `runsc spec`Fabricio Voznika
Most usages of `runsc spec`+`runsc run` do not expect stdios to be a terminal. Updates #6619 PiperOrigin-RevId: 398288237
2021-09-22Merge release-20210906.0-55-g0ed53e5e9 (automated)gVisor bot
2021-09-21Handle Shutdown on connecting tcp socketArthur Sfez
Fixes #6495 PiperOrigin-RevId: 398121921
2021-09-21Merge release-20210906.0-54-gc633a7f9d (automated)gVisor bot
2021-09-21Deliver endpoints to the accept queue synchronously when possibleArthur Sfez
Before this change, when a new connection was created after receiving an ACK that matched a SYN-cookie, it was always delivered asynchronously to the accept queue. There was a chance that the listening endpoint would process a SYN from another client before the delivery happened, and the listening endpoint would not know yet that the queue was about to be full, once the delivery happened. Now, when an ACK matching a SYN-cookie is received, the new endpoint is created and moved to the accept queue synchronously, while holding the accept lock. Fixes #6545 PiperOrigin-RevId: 398107254
2021-09-21Merge release-20210906.0-53-gc485602de (automated)gVisor bot
2021-09-21socket/unix: clean up socket queue after releasing a queue lockAndrei Vagin
A socket queue can contain sockets (others and this one). We have to avoid taking locks of the same class where it is possible. PiperOrigin-RevId: 398100744
2021-09-21Merge release-20210906.0-52-g6fccc1856 (automated)gVisor bot
2021-09-21[lisa] Implement lisafs protocol methods in VFS2 gofer client and fsgofer.Ayush Ranjan
Introduces RPC methods in lisafs. Makes that gofer client use lisafs RPCs instead of p9 when lisafs is enabled. Implements the handlers for those methods in fsgofer. Fixes #5465 PiperOrigin-RevId: 398080310
2021-09-21Merge release-20210906.0-51-ge819029f3 (automated)gVisor bot
2021-09-20[lisa] Plumb lisafs through runsc.Ayush Ranjan
lisafs is only supported in VFS2. Added a runsc flag which enables lisafs. When the flag is enabled, the gofer process and the client communicate using lisafs protocol instead of 9P. Added a filesystem option in fsimpl/gofer which indicates if lisafs is being used. That will be used to gate lisafs on the gofer client. Note that this change does not make the gofer client use lisafs just yet. Updates #5465 PiperOrigin-RevId: 397917844
2021-09-21Merge release-20210906.0-50-g3fe8d7ecf (automated)gVisor bot
2021-09-20Support getsockname for packet socketsGhanan Gowripalan
Updates #6621 PiperOrigin-RevId: 397898852
2021-09-20Merge release-20210906.0-49-g206d7bb90 (automated)gVisor bot
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