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2019-08-06Fix for a panic due to writing to a closed accept channel.Bhasker Hariharan
This can happen because endpoint.Close() closes the accept channel first and then drains/resets any accepted but not delivered connections. But there can be connections that are connected but not delivered to the channel as the channel was full. But closing the channel can cause these writes to fail with a write to a closed channel. The correct solution is to abort any connections in SYN-RCVD state and drain/abort all completed connections before closing the accept channel. PiperOrigin-RevId: 261951132
2019-08-02Job control: controlling TTYs and foreground process groups.Kevin Krakauer
(Don't worry, this is mostly tests.) Implemented the following ioctls: - TIOCSCTTY - set controlling TTY - TIOCNOTTY - remove controlling tty, maybe signal some other processes - TIOCGPGRP - get foreground process group. Also enables tcgetpgrp(). - TIOCSPGRP - set foreground process group. Also enabled tcsetpgrp(). Next steps are to actually turn terminal-generated control characters (e.g. C^c) into signals to the proper process groups, and to send SIGTTOU and SIGTTIN when appropriate. PiperOrigin-RevId: 261387276
2019-07-25Automated rollback of changelist 255679453Fabricio Voznika
PiperOrigin-RevId: 260047477
2019-07-12Add IPPROTO_RAW, which allows raw sockets to write IP headers.Kevin Krakauer
iptables also relies on IPPROTO_RAW in a way. It opens such a socket to manipulate the kernel's tables, but it doesn't actually use any of the functionality. Blegh. PiperOrigin-RevId: 257903078
2019-06-28Automated rollback of changelist 255263686Nicolas Lacasse
PiperOrigin-RevId: 255679453
2019-06-27Complete pipe support on overlayfsFabricio Voznika
Get/Set pipe size and ioctl support were missing from overlayfs. It required moving the pipe.Sizer interface to fs so that overlay could get access. Fixes #318 PiperOrigin-RevId: 255511125
2019-06-26Preserve permissions when checking lowerFabricio Voznika
The code was wrongly assuming that only read access was required from the lower overlay when checking for permissions. This allowed non-writable files to be writable in the overlay. Fixes #316 PiperOrigin-RevId: 255263686
2019-06-21Fix the logic for sending zero window updates.Bhasker Hariharan
Today we have the logic split in two places between endpoint Read() and the worker goroutine which actually sends a zero window. This change makes it so that when a zero window ACK is sent we set a flag in the endpoint which can be read by the endpoint to decide if it should notify the worker to send a nonZeroWindow update. The worker now does not do the check again but instead sends an ACK and flips the flag right away. Similarly today when SO_RECVBUF is set the SetSockOpt call has logic to decide if a zero window update is required. Rather than do that we move the logic to the worker goroutine and it can check the zeroWindow flag and send an update if required. PiperOrigin-RevId: 254505447
2019-06-19Mark tcp_socket test flaky (for real)Michael Pratt
The tag on the binary has no effect. It must be on the test. PiperOrigin-RevId: 254103480
2019-06-06Remove tmpfs restriction from testFabricio Voznika
runsc supports UDS over gofer mounts and tmpfs is not needed for this test. PiperOrigin-RevId: 251944870
2019-06-06Add overlay dimension to FS related syscall testsFabricio Voznika
PiperOrigin-RevId: 251929314
2019-06-03Remove duplicate socket testsMichael Pratt
socket_unix_abstract.cc: Subset of socket_abstract.cc socket_unix_filesystem.cc: Subset of socket_filesystem.cc PiperOrigin-RevId: 251297117
2019-05-30gvisor: socket() returns EPROTONOSUPPORT if protocol is not supportedAndrei Vagin
PiperOrigin-RevId: 250426407
2019-05-21Clean up pipe internals and add fcntl supportAdin Scannell
Pipe internals are made more efficient by avoiding garbage collection. A pool is now used that can be shared by all pipes, and buffers are chained via an intrusive list. The documentation for pipe structures and methods is also simplified and clarified. The pipe tests are now parameterized, so that they are run on all different variants (named pipes, small buffers, default buffers). The pipe buffer sizes are exposed by fcntl, which is now supported by this change. A size change test has been added to the suite. These new tests uncovered a bug regarding the semantics of open named pipes with O_NONBLOCK, which is also fixed by this CL. This fix also addresses the lack of the O_LARGEFILE flag for named pipes. PiperOrigin-RevId: 249375888 Change-Id: I48e61e9c868aedb0cadda2dff33f09a560dee773
2019-05-21Add basic plumbing for splice and stub implementation.Adin Scannell
This does not actually implement an efficient splice or sendfile. Rather, it adds a generic plumbing to the file internals so that this can be added. All file implementations use the stub fileutil.NoSplice implementation, which causes sendfile and splice to fall back to an internal copy. A basic splice system call interface is added, along with a test. PiperOrigin-RevId: 249335960 Change-Id: Ic5568be2af0a505c19e7aec66d5af2480ab0939b
2019-05-16Add test for duplicate proc entries.Ian Gudger
The issue with duplicate /proc/sys entries seems to have been fixed in: PiperOrigin-RevId 229305982 Git hash dc8450b5676d4c4ac9bcfa23cabd862e0060527d Fixes google/gvisor#125 PiperOrigin-RevId: 248571903 Change-Id: I76ff3b525c93dafb92da6e5cf56e440187f14579
2019-04-29Allow and document bug ids in gVisor codebase.Nicolas Lacasse
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
2019-04-02Add build rule for raw socket tests so they are runnable via:Kevin Krakauer
bazel test test/syscalls:raw_socket_ipv4_test_{native,runsc_ptrace,runsc_kvm} PiperOrigin-RevId: 241640049 Change-Id: Iac4dbdd7fd1827399a472059ac7d85fb6b506577
2019-03-08Fix tests which fail in kokoroAndrei Vagin
* open_create_test_runsc_ptrace_shared doesn't expect the write access to / * exec_test_runsc_ptrace_shared could not find /usr/share/zoneinfo/ * clock_gettime_test_runsc_ptrace_shared didn't expect that a thread cpu time can be zero. * affinity_test_runsc_ptrace_shared expected minimum 3 cpus PiperOrigin-RevId: 237509429 Change-Id: I477937e5d2cdf3f8720836bfa972abd35d8220a3
2019-03-06Increase ipv4_udp_unbound_loopback size to mediumMichael Pratt
Now that tests aren't running in parallel, this test occassionally takes too long and times out. PiperOrigin-RevId: 237106971 Change-Id: I195a4b77315c9f5511c9e8ffadddb7aaa78beafd
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
2019-02-19Break /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
2019-02-11gvisor: Run syscall tests in kokoro on the rbe clusterAndrei Vagin
PiperOrigin-RevId: 233458853 Change-Id: I92c734b8075aa31e040fe7b4770bcf608e271e7a
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
2019-02-07Implement /proc/net/unix.Rahat Mahmood
PiperOrigin-RevId: 232948478 Change-Id: Ib830121e5e79afaf5d38d17aeef5a1ef97913d23
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
2019-01-24Increase 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
2019-01-16Prevent 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
2019-01-14Automated rollback of changelist 228945914Nicolas Lacasse
PiperOrigin-RevId: 229214698 Change-Id: Ib4ea2e330e61ee34bf913938d6120a52ecc38ce1
2019-01-11Make syscall_test_runner binary testonly.Nicolas Lacasse
PiperOrigin-RevId: 228945914 Change-Id: Idfa0a3c27434655b5f9ac241f1726e0bc9ef0392
2019-01-09Allow to specify a custom path to runsc for syscall-test-runnerAndrei Vagin
PiperOrigin-RevId: 228574092 Change-Id: Id93abcca1ce964eb595907df9355702d469bc33b
2018-12-19Implement pwritev2.Zach Koopmans
Implement pwritev2 and associated unit tests. Clean up preadv2 unit tests. Tag RWF_ flags in both preadv2 and pwritev2 with associated bug tickets. PiperOrigin-RevId: 226222119 Change-Id: Ieb22672418812894ba114bbc88e67f1dd50de620
2018-12-14Add blocking recv testsIan Gudger
PiperOrigin-RevId: 225646045 Change-Id: Ic712ebc627587ef4a9486f0b39fe8c96100f10ff
2018-12-14Shard the syscall tests.Nicolas Lacasse
PiperOrigin-RevId: 225574278 Change-Id: If5060a37e8a9b0120bec2b5de4037354f0eaba16
2018-12-10Open source system call tests.Brian Geffon
PiperOrigin-RevId: 224886231 Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 12:55:29 +0000