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2019-03-05Add NoRandomSave to tests with correctness DisableSaveMichael Pratt
Tests using DisableSave because a portion of the test is *incompatible* with S/R clearly cannot use random S/R, as the saves may occur in the DisableSave critical section. Most such tests already have NoRandomSave. Add it to the rest. PiperOrigin-RevId: 236914708 Change-Id: Iee1cf044cfa7cb8d5aba21ddc130926218210c48
2019-03-04Make tmpfs respect MountNoATime now that fs.Handle is gone.Nicolas Lacasse
PiperOrigin-RevId: 236752802 Change-Id: I9e50600b2ae25d5f2ac632c4405a7a185bdc3c92
2019-03-04Deflake socket_ipv4_udp_unbound_loopback.Ian Gudger
When run in parallel, multicast packets can be received by the wrong test. The tests in the target are run in an isolated network namespace, but if parallelism is enabled, multiple tests from the same target will run in parallel within the target's network namespace. Disabling parallelism only allows one test to run in the network namespace at a time, which prevents interaction. PiperOrigin-RevId: 236709160 Change-Id: If828db44f0ae4002af36de6097866137c8d9da5c
2019-03-01Mark socket_ipv4_udp_unbound_loopback flakyMichael Pratt
To do so, we must add the ability to add tags to the syscall tests. PiperOrigin-RevId: 236380371 Change-Id: I76d15feb2700f20115b27aab362a88cebe8c7a6a
2019-03-01Add semctl(GETPID) syscallFabricio Voznika
Also added unimplemented notification for semctl(2) commands. PiperOrigin-RevId: 236340672 Change-Id: I0795e3bd2e6d41d7936fabb731884df426a42478
2019-02-28Fix flaky raw socket test.Kevin Krakauer
The specific issue was: - Test creates a raw ICMP socket - Test sends an ICMP echo request (aka ping request) to itself via loopback - Now two events race: - The raw socket recieves the ICMP echo request - Netstack receives the request and generates a reply (aka ping reply), which it sends back over loopback, where it is eventually received by the raw socket - The test was written to expect packets in a specific order, but they can come in any order. PiperOrigin-RevId: 236179066 Change-Id: I02c07c919d3d28093add3d18dd9196fbbc870813
2019-02-27Ping support via IPv4 raw sockets.Kevin Krakauer
Broadly, this change: * Enables sockets to be created via `socket(AF_INET, SOCK_RAW, IPPROTO_ICMP)`. * Passes the network-layer (IP) header up the stack to the transport endpoint, which can pass it up to the socket layer. This allows a raw socket to return the entire IP packet to users. * Adds functions to stack.TransportProtocol, stack.Stack, stack.transportDemuxer that enable incoming packets to be delivered to raw endpoints. New raw sockets of other protocols (not ICMP) just need to register with the stack. * Enables ping.endpoint to return IP headers when created via SOCK_RAW. PiperOrigin-RevId: 235993280 Change-Id: I60ed994f5ff18b2cbd79f063a7fdf15d093d845a
2019-02-27Don't log twice to debug log when --log isn't setFabricio Voznika
PiperOrigin-RevId: 235940853 Change-Id: I9c5b4cf18b199fb74044a5edb131bfff59dec945
2019-02-26Improve PosixErrorOr messages using gtest matchers.Brian Geffon
There was a minor bug whth IsPosixErrorOkAndHoldsMatcher where it wouldn't display the actual value contained. This fixes that and adds a few other minor improvements. PiperOrigin-RevId: 235809065 Change-Id: I487e5072e9569eb06104522963e9a1b34204daaf
2019-02-25Use a custom, world-accessible, /tmp mountMichael Pratt
This solves two problems: 1. Using the host /tmp directly meant that concurrent tests could collide attempting to use the same file, and that misbehaving tests never have their /tmp output cleaned up. 2. Host /tmp is not world-accessible on all hosts. Some tests (e.g., sticky) access files in /tmp from other users, so we need to ensure that its /tmp is world-accessible. PiperOrigin-RevId: 235637873 Change-Id: I7555224685ac5b93af88c403196b09ce1bb2bfe7
2019-02-25Handle invalid offset in sendfile(2)Fabricio Voznika
PiperOrigin-RevId: 235578698 Change-Id: I608ff5e25eac97f6e1bda058511c1f82b0e3b736
2019-02-20Implement Broadcast supportAmanda Tait
This change adds support for the SO_BROADCAST socket option in gVisor Netstack. This support includes getsockopt()/setsockopt() functionality for both UDP and TCP endpoints (the latter being a NOOP), dispatching broadcast messages up and down the stack, and route finding/creation for broadcast packets. Finally, a suite of tests have been implemented, exercising this functionality through the Linux syscall API. PiperOrigin-RevId: 234850781 Change-Id: If3e666666917d39f55083741c78314a06defb26c
2019-02-19netstack: Add SIOCGSTAMP support.Kevin Krakauer
Ping sometimes uses this instead of SO_TIMESTAMP. PiperOrigin-RevId: 234699590 Change-Id: Ibec9c34fa0d443a931557a2b1b1ecd83effe7765
2019-02-19Set rax to syscall number on SECCOMP_RET_TRAP.Jamie Liu
PiperOrigin-RevId: 234690475 Change-Id: I1cbfb5aecd4697a4a26ec8524354aa8656cc3ba1
2019-02-19Fix clone(CLONE_NEWUSER).Jamie Liu
- Use new user namespace for namespace creation checks. - Ensure userns is never nil since it's used by other namespaces. PiperOrigin-RevId: 234673175 Change-Id: I4b9d9d1e63ce4e24362089793961a996f7540cd9
2019-02-19Break /proc/[pid]/{uid,gid}_map's dependence on seqfile.Jamie Liu
In addition to simplifying the implementation, this fixes two bugs: - seqfile.NewSeqFile unconditionally creates an inode with mode 0444, but {uid,gid}_map have mode 0644. - idMapSeqFile.Write implements fs.FileOperations.Write ... but it doesn't implement any other fs.FileOperations methods and is never used as fs.FileOperations. idMapSeqFile.GetFile() => seqfile.SeqFile.GetFile() uses seqfile.seqFileOperations instead, which rejects all writes. PiperOrigin-RevId: 234638212 Change-Id: I4568f741ab07929273a009d7e468c8205a8541bc
2019-02-15Implement IP_MULTICAST_IF.Ian Gudger
This allows setting a default send interface for IPv4 multicast. IPv6 support will come later. PiperOrigin-RevId: 234251379 Change-Id: I65922341cd8b8880f690fae3eeb7ddfa47c8c173
2019-02-11gvisor: check that ptrace properly handles int3Andrei Vagin
PiperOrigin-RevId: 233516412 Change-Id: I7a0f1443de7eeebb5d8ad59e4759ca2e036a3c4d
2019-02-11gvisor: Run syscall tests in kokoro on the rbe clusterAndrei Vagin
PiperOrigin-RevId: 233458853 Change-Id: I92c734b8075aa31e040fe7b4770bcf608e271e7a
2019-02-08Use socket address functions in unbound IPv4 UDP tests.Ian Gudger
Also switch to the correct casing style for local address variables. PiperOrigin-RevId: 233161128 Change-Id: Ibc4a10a5d3ab04c40907aa885e8237b255c65a79
2019-02-07Plumb IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP to netstack.Ian Gudger
Also includes a few fixes for IPv4 multicast support. IPv6 support is coming in a followup CL. PiperOrigin-RevId: 233008638 Change-Id: If7dae6222fef43fda48033f0292af77832d95e82
2019-02-07gvisor/tests: save runsc logs for each container in a separate directoryAndrei Vagin
PiperOrigin-RevId: 232990964 Change-Id: Icfa426d5e83c7d3e56b0b92e6a9e1229bcb8361b
2019-02-07Implement /proc/net/unix.Rahat Mahmood
PiperOrigin-RevId: 232948478 Change-Id: Ib830121e5e79afaf5d38d17aeef5a1ef97913d23
2019-02-07Implement semctl(2) SETALL and GETALLFabricio Voznika
PiperOrigin-RevId: 232914984 Change-Id: Id2643d7ad8e986ca9be76d860788a71db2674cda
2019-02-06Internal change.Googler
PiperOrigin-RevId: 232776481 Change-Id: Ic19d4aa6322fef71621bad0e9fb8bdedf6694114
2019-02-05Change /proc/PID/cmdline to read environment vector.Zach Koopmans
- Change proc to return envp on overwrite of argv with limitations from upstream. - Add unit tests - Change layout of argv/envp on the stack so that end of argv is contiguous with beginning of envp. PiperOrigin-RevId: 232506107 Change-Id: I993880499ab2c1220f6dc456a922235c49304dec
2019-02-04Deflake unlink test.Kevin Krakauer
Multiple tests were creating the same directory before removing it, making it possible for concurrent tests to fail because the directory already exists. PiperOrigin-RevId: 232389814 Change-Id: I35d409fff4b3fd864b30fee742cb587b14975c23
2019-02-01gvisor/test: Remove gtest shard env variablesAndrei Vagin
PiperOrigin-RevId: 232071420 Change-Id: I5aa57f3dc4aac637d6f467445b4b3110fc08ac80
2019-01-31Add syscall test dimension for --file_access=sharedFabricio Voznika
PiperOrigin-RevId: 231856279 Change-Id: I175db87374890a62a3a3c2ddef727668ff854ce4
2019-01-31Remove license commentsMichael Pratt
Nothing reads them and they can simply get stale. Generated with: $ sed -i "s/licenses(\(.*\)).*/licenses(\1)/" **/BUILD PiperOrigin-RevId: 231818945 Change-Id: Ibc3f9838546b7e94f13f217060d31f4ada9d4bf0
2019-01-29Don't assume that stdout is always writable in PollTest.Nfds.Jamie Liu
stdout can be (and, in automated testing, often is) a host pipe or similar resource shared between multiple parallel tests, such that it can become transiently full during testing. PiperOrigin-RevId: 231413569 Change-Id: Id14991b5f71e53c894695899e65e1be4dd228cc6
2019-01-29Refactor out NewEventFD to a test utility.Jamie Liu
PiperOrigin-RevId: 231404512 Change-Id: I31efcc23a0c4a48ef6fbba3ca07415d79290f55c
2019-01-28Remove obsolete gVisor-specific test condition.Jamie Liu
PiperOrigin-RevId: 231274510 Change-Id: I8f65157dbe18dae1c6235147fc4d27e0c844c833
2019-01-28Convert outdated TODO to NOTE.Zhaozhong Ni
PiperOrigin-RevId: 231263193 Change-Id: Ib732c9639462f7994d473050495d88c2855434af
2019-01-25Deflake socket_stream_blocking tests.Jamie Liu
PiperOrigin-RevId: 231020482 Change-Id: Idd9168678b18d03aac473adcc40902e27e06d0a1
2019-01-25Remove O_CLOEXEC from socket test configurations where irrelevant.Jamie Liu
The implementation of O_CLOEXEC is orthogonal to every property tested by these tests; removing it significantly reduces the number of redundant tests we run. Also remove no-op calls to VecCat (calls with a single argument). PiperOrigin-RevId: 230959537 Change-Id: I83fe7db24e481ef67ca1f1992228af423f640b5c
2019-01-24Add runsc logs to test resultsFabricio Voznika
PiperOrigin-RevId: 230850177 Change-Id: I34eb24e8ff8dd9ce3e7f5eb2dc2ee58eeac49f07
2019-01-24Increase gofer coverage in testsFabricio Voznika
Lots of tests use /tmp for the tests. Force /tmp to be mounted over fsgofer instead of tmpfs. PiperOrigin-RevId: 230788985 Change-Id: Id6597ed88133232d15e808c48126bf77cb32673e
2019-01-24Explicitly std::move() returned std::vector<Mapping>.Jamie Liu
Otherwise, C++11-compliant compilers may select PosixErrorOr(const T&) as the relevant constructor, and fail because std::vector<Mapping> is not copyable (because Mapping is not copyable). This is a C++11 defect that is fixed in C++14 (and in C++11 mode for Clang, but not GCC). See DR 1579, http://www.open-std.org/jtc1/sc22/wg21/docs/cwg_defects.html#1579. PiperOrigin-RevId: 230767401 Change-Id: I65f481f5188d91db6cbbbd65ed0a60bc55df3401
2019-01-23Fix cases of missing braces on ifMichael Pratt
PiperOrigin-RevId: 230641540 Change-Id: Icccc3cdeec191138940f0ecea0a29798359d2b1f
2019-01-23socket_netlink_route: ignore negative port ID valuesAndrei Vagin
netlink_autobind() sets a port id to a process ID, if this address is available. Otherwise, it will set a port id to a random negative value. PiperOrigin-RevId: 230631956 Change-Id: I11692e4fe9421e77d9406627b4e7772e4d9b105a
2019-01-22gvisor/test: fix a compile time error in socket_netdeviceAndrei Vagin
Compilation of this test fails in kokoro: In file included from /usr/include/linux/netdevice.h:28:0, from /usr/include/linux/if_arp.h:26, from ./test/syscalls/linux/socket_netlink_util.h:18, from test/syscalls/linux/socket_netdevice.cc:24: /usr/include/linux/if.h:143:8: error: redefinition of 'struct ifmap' struct ifmap { ^~~~~ In file included from test/syscalls/linux/socket_netdevice.cc:18:0: /usr/include/net/if.h:111:8: note: previous definition of 'struct ifmap' struct ifmap ^~~~~ In file included from /usr/include/linux/netdevice.h:28:0, from /usr/include/linux/if_arp.h:26, from ./test/syscalls/linux/socket_netlink_util.h:18, from test/syscalls/linux/socket_netdevice.cc:24: /usr/include/linux/if.h:177:8: error: redefinition of 'struct ifreq' struct ifreq { ^~~~~ In file included from test/syscalls/linux/socket_netdevice.cc:18:0: /usr/include/net/if.h:126:8: note: previous definition of 'struct ifreq' struct ifreq ^~~~~ In file included from /usr/include/linux/netdevice.h:28:0, from /usr/include/linux/if_arp.h:26, from ./test/syscalls/linux/socket_netlink_util.h:18, from test/syscalls/linux/socket_netdevice.cc:24: /usr/include/linux/if.h:226:8: error: redefinition of 'struct ifconf' struct ifconf { ^~~~~~ In file included from test/syscalls/linux/socket_netdevice.cc:18:0: /usr/include/net/if.h:176:8: note: previous definition of 'struct ifconf' struct ifconf PiperOrigin-RevId: 230381931 Change-Id: I3c422c53e50cf2b90022778599d3a8a4a61fd1a3
2019-01-17Allow fsync on a directory.Nicolas Lacasse
PiperOrigin-RevId: 229781337 Change-Id: I1f946cff2771714fb1abd83a83ed454e9febda0a
2019-01-16Prevent internal tmpfs mount to override files in /tmpFabricio Voznika
Runsc wants to mount /tmp using internal tmpfs implementation for performance. However, it risks hiding files that may exist under /tmp in case it's present in the container. Now, it only mounts over /tmp iff: - /tmp was not explicitly asked to be mounted - /tmp is empty If any of this is not true, then /tmp maps to the container's image /tmp. Note: checkpoint doesn't have sentry FS mounted to check if /tmp is empty. It simply looks for explicit mounts right now. PiperOrigin-RevId: 229607856 Change-Id: I10b6dae7ac157ef578efc4dfceb089f3b94cde06
2019-01-15Set end of subslice as begin of next subsliceYong He
syscall test split testcase via shard count, reset high bound as begin of next subslice, cause the slice is half-open range. Change-Id: I1954f57c93cbfd9be518153315da305a2de377a0 PiperOrigin-RevId: 229405199
2019-01-14Remove fs.Handle, ramfs.Entry, and all the DeprecatedFileOperations.Nicolas Lacasse
More helper structs have been added to the fsutil package to make it easier to implement fs.InodeOperations and fs.FileOperations. PiperOrigin-RevId: 229305982 Change-Id: Ib6f8d3862f4216745116857913dbfa351530223b
2019-01-14Fix a few compilation warningsAndrei Vagin
test/syscalls/linux/wait.cc:626:8: warning: lambda capture 'this' is not used 302 [this, stack] { ASSERT_THAT(FreeStack(stack), SyscallSucceeds()); }); 303 ^~~~~ test/syscalls/linux/priority.cc:195:17: warning: lambda capture 'kParentPriority' is not required to be captured for this use 273 ScopedThread([kParentPriority, kChildPriority]() { 274 ^~~~~~~~~~~~~~~~ PiperOrigin-RevId: 229275900 Change-Id: I6f0c88efc7891c6c729378a2fa70f70b1b9046a7
2019-01-14Deflake RecvLessThanBufferWaitAll.Ian Gudger
PiperOrigin-RevId: 229238781 Change-Id: Ib5a1e46293583efcb09e255fcd400c3fcc53ef1b
2019-01-14Automated rollback of changelist 228945914Nicolas Lacasse
PiperOrigin-RevId: 229214698 Change-Id: Ib4ea2e330e61ee34bf913938d6120a52ecc38ce1
2019-01-11Clean up some uses of fork() in tests.Jamie Liu
- Fix a few cases where async-signal-unsafe code is executed in a forked process pre-execve. - Ensure that the return value of fork() is always checked. PiperOrigin-RevId: 228949310 Change-Id: I3096cb7d7394b8d9ab81b0e0245f2060713ef589
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