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2020-10-22Merge release-20201019.0-28-g4e389c785 (automated)gVisor bot
2020-10-21Check for nil in kernel.FSContext functions.Dean Deng
Reported-by: syzbot+c0e175d2b10708314eb3@syzkaller.appspotmail.com PiperOrigin-RevId: 338386575
2020-10-22Merge release-20201019.0-27-g1a5eb49a4 (automated)gVisor bot
2020-10-21Merge pull request #3957 from workato:auto-cgroupgVisor bot
PiperOrigin-RevId: 338372736
2020-10-21Merge release-20201019.0-22-g1b2097f84 (automated)gVisor bot
2020-10-21Merge pull request #4535 from lubinszARM:pr_kvm_exec_binary_1gVisor bot
PiperOrigin-RevId: 338321125
2020-10-21Merge release-20201019.0-20-gb6a0c91aa (automated)gVisor bot
2020-10-20test/runtime: set the NOFILE soft rlimit to 32KAndrei Vagin
The python:test_subprocess enumerates all possible file descriptors and fails by timeout if the limit is too high. There is a know thing about docker that it sets this limit to 1M by default, but on native linux, this limit will be between 1K to 32K. PiperOrigin-RevId: 338197239
2020-10-20Do not even try forcing cgroups in testsKonstantin Baranov
2020-10-21Merge release-20201019.0-19-g7dc108b41 (automated)gVisor bot
2020-10-20Fix errors when the tagging GitHub releasesTing-Yu Wang
When the commit description contains "commit ", it will be wrongly identified as commit hash. This commit changes to take only lines begins with "commit " as a fix, since the description is always indented by `git log`. Copybara uses merge commit for external contributors, this causes that not all commits contain a Piper ID. Adding `--first-parent` to `git log` so that it only lists commits that contain a Piper ID. PiperOrigin-RevId: 338183812
2020-10-21Merge release-20201005.0-115-g16ba35031 (automated)gVisor bot
2020-10-20Fix nogo test in //pkg/tcpip/...Ting-Yu Wang
PiperOrigin-RevId: 338168977
2020-10-20Merge release-20201005.0-114-ge36a2b793 (automated)gVisor bot
2020-10-20[runtime tests] Update exclude files.Ayush Ranjan
bhaskerh@ fixed a bunch of the EADDRINUSE flakes in #3662 so we should unexclude them. I have also tested other flaky tests on this list and removed those that do not flake anymore. PiperOrigin-RevId: 338158545
2020-10-20Merge release-20201005.0-113-g2bfdbfd1f (automated)gVisor bot
2020-10-20Fix locking in AddressableEndpointStateGhanan Gowripalan
PiperOrigin-RevId: 338156438
2020-10-20Merge release-20201005.0-112-g4da10f873 (automated)gVisor bot
2020-10-20Fix nogo tests.Ting-Yu Wang
//pkg/tcpip/stack:stack_x_test_nogo //pkg/tcpip/transport/raw:raw_nogo PiperOrigin-RevId: 338153265
2020-10-20Merge release-20201005.0-111-gd45d57f49 (automated)gVisor bot
2020-10-20Merge pull request #4524 from lemin9538:lemin_arm64gVisor bot
PiperOrigin-RevId: 338126491
2020-10-20Merge release-20201005.0-109-gc21d8375d (automated)gVisor bot
2020-10-20Add /dev to mandatory mounts testFabricio Voznika
PiperOrigin-RevId: 338072845
2020-10-20Merge release-20201005.0-108-g34a6e9576 (automated)gVisor bot
2020-10-19loader/elf: validate file offsetAndrei Vagin
Reported-by: syzbot+7406eef8247cb5a20855@syzkaller.appspotmail.com PiperOrigin-RevId: 337974474
2020-10-20Merge release-20201005.0-107-gdcc1b71f1 (automated)gVisor bot
2020-10-19Fix reference counting on kcov mappings.Dean Deng
Reported-by: syzbot+078580ce5dd6d607fcd8@syzkaller.appspotmail.com Reported-by: syzbot+2096681f6891e7bf8aed@syzkaller.appspotmail.com PiperOrigin-RevId: 337973519
2020-10-20Merge release-20201005.0-106-g2a4ec9cf7 (automated)gVisor bot
2020-10-19Merge pull request #4510 from btw616:fix/issue-4509gVisor bot
PiperOrigin-RevId: 337971497
2020-10-20Merge release-20201005.0-104-gcd86bd493 (automated)gVisor bot
2020-10-19Fix runsc tests on VFS2 overlay.Jamie Liu
- Check the sticky bit in overlay.filesystem.UnlinkAt(). Fixes StickyTest.StickyBitPermDenied. - When configuring a VFS2 overlay in runsc, copy the lower layer's root owner/group/mode to the upper layer's root (as in the VFS1 equivalent, boot.addOverlay()). This makes the overlay root owned by UID/GID 65534 with mode 0755 rather than owned by UID/GID 0 with mode 01777. Fixes CreateTest.CreateFailsOnUnpermittedDir, which assumes that the test cannot create files in /. - MknodTest.UnimplementedTypesReturnError assumes that the creation of device special files is not supported. However, while the VFS2 gofer client still doesn't support device special files, VFS2 tmpfs does, and in the overlay test dimension mknod() targets a tmpfs upper layer. The test initially has all capabilities, including CAP_MKNOD, so its creation of these files succeeds. Constrain these tests to VFS1. - Rename overlay.nonDirectoryFD to overlay.regularFileFD and only use it for regular files, using the original FD for pipes and device special files. This is more consistent with Linux (which gets the original inode_operations, and therefore file_operations, for these file types from ovl_fill_inode() => init_special_inode()) and fixes remaining mknod and pipe tests. - Read/write 1KB at a time in PipeTest.Streaming, rather than 4 bytes. This isn't strictly necessary, but it makes the test less obnoxiously slow on ptrace. Fixes #4407 PiperOrigin-RevId: 337971042
2020-10-20Merge release-20201005.0-103-g8f29b8d25 (automated)gVisor bot
2020-10-19Remove now unused remote3 configurations.Adin Scannell
PiperOrigin-RevId: 337968219
2020-10-19Merge release-20201005.0-102-g54e989ec3 (automated)gVisor bot
2020-10-19Remove legacy bazel configurations.Adin Scannell
Using the newer bazel rules necessitates a transition from proto1 to proto2. In order to resolve the incompatibility between proto2 and gogoproto, the cri runtimeoptions proto must be vendored. Further, some of the semantics of bazel caching changed during the transition. It is now necessary to: - Ensure that :gopath depends only on pure library targets, as the propagation of go_binary build attributes (pure, static) will affected the generated files (though content remains the same, there are conflicts with respect to the gopath). - Update bazel.mk to include the possibility of binaries in the bazel-out directory, as it will now put runsc and others there. This required some refinements to the mechanism of extracting paths, since some the existing regex resulted in false positives. - Change nogo rules to prevent escape generation on binary targets. For some reason, the newer version of bazel attempted to run the nogo analysis on the binary targets, which fails due to the fact that objdump does not work on the final binary. This must be due to a change in the semantics of aspects in bazel3. PiperOrigin-RevId: 337958324
2020-10-19Merge release-20201005.0-101-g4b4d12d5b (automated)gVisor bot
2020-10-19Fixes to cgroupsFabricio Voznika
There were a few problems with cgroups: - cleanup loop what breaking too early - parse of /proc/[pid]/cgroups was skipping "name=systemd" because "name=" was not being removed from name. - When no limits are specified, fillFromAncestor was not being called, causing a failure to set cpuset.mems Updates #4536 PiperOrigin-RevId: 337947356
2020-10-19Merge release-20201005.0-100-g63f4cef4d (automated)gVisor bot
2020-10-19[vfs2] Fix fork reference leaks.Dean Deng
PiperOrigin-RevId: 337919424
2020-10-19Merge release-20201005.0-99-gcd108432a (automated)gVisor bot
2020-10-19splice: return EINVAL is len is negativeAndrei Vagin
Reported-by: syzbot+0268cc591c0f517a1de0@syzkaller.appspotmail.com PiperOrigin-RevId: 337901664
2020-10-19Merge release-20201005.0-98-gc206fcbfc (automated)gVisor bot
2020-10-19pgalloc: Do not hold MemoryFile.mu while calling mincore.Ayush Ranjan
This change makes the following changes: - Unlocks MemoryFile.mu while calling mincore (checkCommitted) because mincore can take a really long time. Accordingly looks up the segment in the tree tree again and handles changes to the segment. - MemoryFile.UpdateUsage() can now only be called at frequency at most 100Hz. 100 Hz = linux.CLOCKS_PER_SEC. Co-authored-by: Jamie Liu <jamieliu@google.com> PiperOrigin-RevId: 337865250
2020-10-18arm64 kvm: handle exception from accessing undefined instructionBin Lu
Consistent with the linux approach, we will produce a sigill to handle el0_undef. After applying this patch, exec_binary_test_runsc_kvm will be passed on Arm64. Signed-off-by: Bin Lu <bin.lu@arm.com>
2020-10-16Merge release-20201005.0-97-g9a3d8973c (automated)gVisor bot
2020-10-16Refactor shared starlark files.Adin Scannell
PiperOrigin-RevId: 337581114
2020-10-16Merge release-20201005.0-96-g4ddb58f6e (automated)gVisor bot
2020-10-16Use POSIX interval timers in flock test.Dean Deng
ualarm(2) is obsolete. Move IntervalTimer into a test util, where it can be used by flock tests. These tests were flaky with TSAN, probably because it slowed the tests down enough that the alarm was expiring before flock() was called. Use an interval timer so that even if we miss the first alarm (or more), flock() is still guaranteed to be interrupted. PiperOrigin-RevId: 337578751
2020-10-16Merge release-20201005.0-95-gdffa4c669 (automated)gVisor bot
2020-10-16Don't include link header when forwarding packetsGhanan Gowripalan
Before this change, if a link header was included in an incoming packet that is forwarded, the packet that gets sent out will take the original packet and add a link header to it while keeping the old link header. This would make the sent packet look like: OUTGOING LINK HDR | INCOMING LINK HDR | NETWORK HDR | ... Obviously this is incorrect as we should drop the incoming link header and only include the outgoing link header. This change fixes this bug. Test: integration_test.TestForwarding PiperOrigin-RevId: 337571447
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