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2021-05-25setgid directories for VFS1 tmpfs, overlayfs, and goferfsKevin Krakauer
PiperOrigin-RevId: 375780659
2021-05-25Expect POLLRDHUP on FuchsiaTamir Duberstein
PiperOrigin-RevId: 375749377
2021-05-21Make many tests build with NDK.Adam Barth
Not all the tests build yet, but many of them do now. PiperOrigin-RevId: 375209824
2021-05-21Prevent infinite loops from being optimized away.gVisor bot
https://github.com/llvm/llvm-project/commit/6c3129549374c0e81e28fd0a21e96f8087b63a78 adds "mustprogress" to loops, which causes empty, side-effect free loops to be optimized away. These loops are intentionally infinite for purposes of testing, so add asm statements that prevent them from being removed. PiperOrigin-RevId: 375188453
2021-05-20Send SIGPIPE for closed pipes.Ian Lewis
Fixes #5974 Updates #161 PiperOrigin-RevId: 375024740
2021-05-20Add protocol state to TCPINFOMithun Iyer
Add missing protocol state to TCPINFO struct and update packetimpact. This re-arranges the TCP state definitions to align with Linux. Fixes #478 PiperOrigin-RevId: 374996751
2021-05-20Fix cgroupfs mount racing with unmount.Rahat Mahmood
Previously, mount could discover a hierarchy being destroyed concurrently, which resulted in mount attempting to take a ref on an already destroyed cgroupfs. Reported-by: syzbot+062c0a67798a200f23ee@syzkaller.appspotmail.com PiperOrigin-RevId: 374959054
2021-05-18Be explicit about setsid() return values in pty.ccKevin Krakauer
PiperOrigin-RevId: 374570219
2021-05-18Prevent infinite loops from being optimized away.gVisor bot
https://github.com/llvm/llvm-project/commit/6c3129549374c0e81e28fd0a21e96f8087b63a78 adds "mustprogress" to loops, which causes empty, side-effect free loops to be optimized away. These loops are intentionally infinite for purposes of testing, so add asm statements that prevent them from being removed. PiperOrigin-RevId: 374546142
2021-05-18Merge pull request #5908 from zhlhahaha:2157gVisor bot
PiperOrigin-RevId: 374517895
2021-05-17Reduce thread count in TCPResetDuringClose.Jamie Liu
This test suffers from extreme contention on tcpip/stack.AddressableEndpointState.mu via AddressableEndpointState.decAddressRef, at least when Go race detection is enabled. PiperOrigin-RevId: 374273745
2021-05-14Add hash15 label for tests.Andrei Vagin
PiperOrigin-RevId: 373875071
2021-05-14Resolve remaining O_PATH TODOs.Dean Deng
O_PATH is now implemented in vfs2. Fixes #2782. PiperOrigin-RevId: 373861410
2021-05-14Add verity_mmap testsChong Cai
PiperOrigin-RevId: 373854462
2021-05-14Fix cgroup hierarchy registration.Rahat Mahmood
Previously, registration was racy because we were publishing hierarchies in the registry without fully initializing the underlying filesystem. This led to concurrent mount(2)s discovering the partially intialized filesystems and dropping the final refs on them which cause them to be freed prematurely. Reported-by: syzbot+13f54e77bdf59f0171f0@syzkaller.appspotmail.com Reported-by: syzbot+2c7f0a9127ac6a84f17e@syzkaller.appspotmail.com PiperOrigin-RevId: 373824552
2021-05-13Apply SWS avoidance to ACKs with window updatesMithun Iyer
When recovering from a zero-receive-window situation, and asked to send out an ACK, ensure that we apply SWS avoidance in our window updates. Fixes #5984 PiperOrigin-RevId: 373689578
2021-05-11fix pty_test error by releasing tty received from testHoward Zhang
The test Truncate set ControllingTTY without releasing it on VFS2. This leads test ReleaseTTYSignals and ReleaseTTY fail when setting ControllingTTY. Skip the test on VFS1 and native, as setting Controlling TTY when open replica only happens on VFS2. Signed-off-by: Howard Zhang <howard.zhang@arm.com>
2021-05-06Implement /proc/cmdlineSteve Silva
This change implements /proc/cmdline with a basic faux command line "BOOT_IMAGE=/vmlinuz-[version]-gvisor quiet" so apps that may expect it do not receive errors. Also tests for the existence of /proc/cmdline as part of the system call test suite PiperOrigin-RevId: 372462070
2021-05-05Fixes to runsc cgroupsFabricio Voznika
When loading cgroups for another process, `/proc/self` was used in a few places, causing the end state to be a mix of the process and self. This is now fixes to always use the proper `/proc/[pid]` path. Added net_prio and net_cls to the list of optional controllers. This is to allow runsc to execute then these cgroups are disabled as long as there are no net_prio and net_cls limits that need to be applied. Deflake TestMultiContainerEvent. Closes #5875 Closes #5887 PiperOrigin-RevId: 372242687
2021-05-05Automated rollback of changelist 361661726Andrei Vagin
PiperOrigin-RevId: 372221411
2021-05-05Fix a race in reading last seen ICMP error during handshakeMithun Iyer
On receiving an ICMP error during handshake, the error is propagated by reading `endpoint.lastError`. This can race with the socket layer invoking getsockopt() with SO_ERROR where the same value is read and cleared, causing the handshake to bail out with a non-error state. Fix the race by checking for lastError state and failing the handshake with ErrConnectionAborted if the lastError was read and cleared by say SO_ERROR. The race mentioned in the bug, is caught only with the newly added tcp_test unit test, where we have control over stopping/resuming protocol loop. Adding a packetimpact test as well for sanity testing of ICMP error handling during handshake. Fixes #5922 PiperOrigin-RevId: 372135662
2021-05-04tcp_socket_test: replace tcp_wmem with SO_SNDBUFKevin Krakauer
PiperOrigin-RevId: 372022596
2021-05-04Increase error margin for memory accounting test.Dean Deng
PiperOrigin-RevId: 371963265
2021-05-03Temporarily disable atime/mtime check in utimensat test.Dean Deng
PiperOrigin-RevId: 371776583
2021-05-03Fix deadlock in /proc/[pid]/fd/[num]Fabricio Voznika
In order to resolve path names, fsSymlink.Readlink() may need to reenter kernfs. Change the code so that kernfs.Inode.Readlink() is called without locks and document the new contract. PiperOrigin-RevId: 371770222
2021-04-30Fix //test/syscalls:tcp_socket_test_nativeKevin Krakauer
The data written was larger than the write buffer, and nobody was reading the other end. PiperOrigin-RevId: 371436084
2021-04-29Fix up TODOs in the codeFabricio Voznika
PiperOrigin-RevId: 371231148
2021-04-29Implement epoll_pwait2.Jing Chen
PiperOrigin-RevId: 371216407
2021-04-28Remove side effect from test casesFabricio Voznika
Restore capabilities for tests that need to change them. PiperOrigin-RevId: 371007047
2021-04-28Disable test that is always skippedFabricio Voznika
PiperOrigin-RevId: 370989166
2021-04-26Merge pull request #5898 from zhlhahaha:2126-1gVisor bot
PiperOrigin-RevId: 370569000
2021-04-26Handle tmpfs with 5 fields in /proc/mounts parsing.Adin Scannell
PiperOrigin-RevId: 370565903
2021-04-26fix brace misplaced errorHoward Zhang
Signed-off-by: Howard Zhang <howard.zhang@arm.com>
2021-04-24Add verity tests for stat, deleted/renamed fileChong Cai
PiperOrigin-RevId: 370219558
2021-04-23hostinet: parse the timeval structure from a SO_TIMESTAMP control messageAndrei Vagin
PiperOrigin-RevId: 370181621
2021-04-22Remove side effect from mount testsFabricio Voznika
Dropping CAP_SYS_ADMIN and not restoring it causes other tests to be skipped. PiperOrigin-RevId: 370002644
2021-04-22Add mlock syscall testFabricio Voznika
PiperOrigin-RevId: 369993733
2021-04-22Fix AF_UNIX listen() w/ zero backlog.Bhasker Hariharan
In https://github.com/google/gvisor/commit/f075522849fa a check to increase zero to a minimum backlog length was removed from sys_socket.go to bring it in parity with linux and then in tcp/endpoint.go we bump backlog by 1. But this broke calling listen on a AF_UNIX socket w/ a zero backlog as in linux it does allow 1 connection even with a zero backlog. This was caught by a php runtime test socket_abstract_path.phpt. PiperOrigin-RevId: 369974744
2021-04-22Also report mount options through /proc/<pid>/mounts.Rahat Mahmood
PiperOrigin-RevId: 369967629
2021-04-22Add verity tests for modified file/Merkle fileChong Cai
PiperOrigin-RevId: 369909691
2021-04-21Stub the custom "job" controller required by some workloads.Rahat Mahmood
PiperOrigin-RevId: 369724358
2021-04-20Clean test tags.Adin Scannell
PiperOrigin-RevId: 369505182
2021-04-20Speed up O_APPEND with remote revalidatingFabricio Voznika
Remote revalidating requires to update file size on every write on a file opened with O_APPEND. If host FD exists, it can be used to update the size and skip round trip to the gofer. With this change, O_APPEND writes with remote revalidating is almost as fast as exclusive mode: BM_Append VFS1 60.7us VFS2 56.8us VFS2 exclusive 14.2us This change 15.8us Updates #1792 PiperOrigin-RevId: 369486801
2021-04-20Move SO_RCVBUF to socketops.Nayana Bidari
Fixes #2926, #674 PiperOrigin-RevId: 369457123
2021-04-17Avoid ignoring incoming packet by demuxer on endpoint lookup failureMithun Iyer
This fixes a race that occurs while the endpoint is being unregistered and the transport demuxer attempts to match the incoming packet to any endpoint. The race specifically occurs when the unregistration (and deletion of the endpoint) occurs, after a successful endpointsByNIC lookup and before the endpoints map is further looked up with ingress NICID of the packet. The fix is to notify the caller of lookup-with-NICID failure, so that the logic falls through to handling unknown destination packets. For TCP this can mean replying back with RST. The syscall test in this CL catches this race as the ACK completing the handshake could get silently dropped on a listener close, causing no RST sent to the peer and timing out the poll waiting for POLLHUP. Fixes #5850 PiperOrigin-RevId: 369023779
2021-04-16Allow runsc to generate coverage reports.Dean Deng
Add a coverage-report flag that will cause the sandbox to generate a coverage report (with suffix .cov) in the debug log directory upon exiting. For the report to be generated, runsc must have been built with the following Bazel flags: `--collect_code_coverage --instrumentation_filter=...`. With coverage reports, we should be able to aggregate results across all tests to surface code coverage statistics for the project as a whole. The report is simply a text file with each line representing a covered block as `file:start_line.start_col,end_line.end_col`. Note that this is similar to the format of coverage reports generated with `go test -coverprofile`, although we omit the count and number of statements, which are not useful for us. Some simple ways of getting coverage reports: bazel test <some_test> --collect_code_coverage \ --instrumentation_filter=//pkg/... bazel build //runsc --collect_code_coverage \ --instrumentation_filter=//pkg/... runsc -coverage-report=dir/ <other_flags> do ... PiperOrigin-RevId: 368952911
2021-04-16Include logs for packetimpact tests that are expected to failZeling Feng
PiperOrigin-RevId: 368938936
2021-04-16Use size_t instead of C integer types.Dean Deng
PiperOrigin-RevId: 368919557
2021-04-15Add verity ioctl test for mount with root hashChong Cai
PiperOrigin-RevId: 368779532
2021-04-15Disable failing socket_ipv4_udp_unbound_loopback_test_linux tests.Dean Deng
PiperOrigin-RevId: 368749894
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