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2021-05-03Merge release-20210419.0-55-gf0b3298db (automated)gVisor bot
2021-05-03Convey GSO capabilities through GSOEndpointGhanan Gowripalan
...as all GSO capable endpoints must implement GSOEndpoint. PiperOrigin-RevId: 371804175
2021-05-03Merge release-20210419.0-54-g4218ba6fb (automated)gVisor bot
2021-05-03netstack: Add a test for mixed Push/ConsumeTing-Yu Wang
Not really designed to be used this way, but it works and it's been relied upon. Add a test. PiperOrigin-RevId: 371802756
2021-05-03Merge release-20210419.0-53-g1d92396aa (automated)gVisor bot
2021-05-03Temporarily disable atime/mtime check in utimensat test.Dean Deng
PiperOrigin-RevId: 371776583
2021-05-03Merge release-20210419.0-52-g1947c8734 (automated)gVisor bot
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
2021-05-01Merge release-20210419.0-51-g7cafac9f4 (automated)gVisor bot
2021-05-01[perf] Check caching on IncRef'd dentries before the others.Ayush Ranjan
When a child is added to a parent (directory) dentry, both child and parent are queued for checkCachingLocked(). Make sure that the parent is queued first because the parent gained a ref and so could be removed from the LRU cache hence making space for the new child. This could prevent an LRU cache eviction. In practice, this did seem to help. ~800 RPCs were reduced while building //absl/... (ABSL build benchmark). Evictions hurt in 2 ways - create renameMu contention and destroy a possibly useful dentry which will have to be re-walked and re-opened later. Follow up fix for #5859. PiperOrigin-RevId: 371509392
2021-05-01Merge release-20210419.0-50-gcde8e8b7a (automated)gVisor bot
2021-04-30kvm: prefault a root table page before switching into a user address spaceAndrei Vagin
The root table physical page has to be mapped to not fault in iret or sysret after switching into a user address space. sysret and iret are in the upper half that is global and so page tables of lower levels are already mapped. Fixes #5742 PiperOrigin-RevId: 371458644
2021-05-01Merge release-20210419.0-49-g6fb8c01bb (automated)gVisor bot
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
2021-05-01Merge release-20210419.0-48-geb2b39f70 (automated)gVisor bot
2021-04-30Comment ip package in a single placeGhanan Gowripalan
Fixes the below linting error: ``` From Golint: > Package ip has package comment defined in multiple places: > duplicate_address_detection.go > generic_multicast_protocol.go ``` PiperOrigin-RevId: 371430486
2021-04-30Merge release-20210419.0-47-gea89cd38a (automated)gVisor bot
2021-04-30Do not return content if verity translate failsChong Cai
If verification fails for translating mmapped memory, the content should not be returned. This is not an issue for panic mode, but for error mode we should return empty content along with the error. PiperOrigin-RevId: 371393519
2021-04-29Merge release-20210419.0-46-gc958c5a4f (automated)gVisor bot
2021-04-29Fix up TODOs in the codeFabricio Voznika
PiperOrigin-RevId: 371231148
2021-04-29Merge release-20210419.0-45-g9ff0d382d (automated)gVisor bot
2021-04-29[perf] Remove unnecessary existence checks in doCreateAt().Ayush Ranjan
Originally we were making a WalkGetAttrOne RPC to confirm that a file does not exist on the remote filesystem - when there was no cached information about the existence of a dentry at that position. This change avoids making that RPC and speculatively makes the mkdir/mknod/linkat/symlink RPC. They will fail with EEXIST if a file exists at that position as we want. However the error ordering is important. Existence check comes before writability check. So we make the existence check when the writability check fails and give it precedence. This change saves ~76,000 RPCs while building //absl/... (ABSL build benchmark). That is 10% of all RPCs made while running that workload. PiperOrigin-RevId: 371225633
2021-04-29Merge release-20210419.0-44-geefa00f4a (automated)gVisor bot
2021-04-29Implement epoll_pwait2.Jing Chen
PiperOrigin-RevId: 371216407
2021-04-29Merge release-20210419.0-43-g669523f7d (automated)gVisor bot
2021-04-29Remove outdated TODOs in verityChong Cai
PiperOrigin-RevId: 371198372
2021-04-29Merge release-20210419.0-42-ga41c5fe21 (automated)gVisor bot
2021-04-29netstack: Rename pkt.Data().TrimFront() to DeleteFront(), and ...Ting-Yu Wang
... it may now invalidate backing slice references This is currently safe because TrimFront() in VectorisedView only shrinks the view. This may not hold under the a different buffer implementation. Reordering method calls order to allow this. PiperOrigin-RevId: 371167610
2021-04-29Merge release-20210419.0-41-g2e442f908 (automated)gVisor bot
2021-04-29Remove ResolvingPath.RestartFabricio Voznika
PiperOrigin-RevId: 371163405
2021-04-29Merge release-20210419.0-40-gc03b380c2 (automated)gVisor bot
2021-04-29Automated rollback of changelist 370733869Michael Pratt
PiperOrigin-RevId: 371131985
2021-04-29Merge release-20210419.0-39-g26adb3c47 (automated)gVisor bot
2021-04-28Automated rollback of changelist 369686285Fabricio Voznika
PiperOrigin-RevId: 371015541
2021-04-28Merge release-20210419.0-38-g39fdf0b95 (automated)gVisor bot
2021-04-28Use containerd v2 config format in docsIan Lewis
Fixes #5170 PiperOrigin-RevId: 371007691
2021-04-28Remove side effect from test casesFabricio Voznika
Restore capabilities for tests that need to change them. PiperOrigin-RevId: 371007047
2021-04-28Merge release-20210419.0-36-g704728d38 (automated)gVisor bot
2021-04-28Disable test that is always skippedFabricio Voznika
PiperOrigin-RevId: 370989166
2021-04-27Merge release-20210419.0-35-gf54d87b9e (automated)gVisor bot
2021-04-27Remove uses of the binary package from networking code.Rahat Mahmood
Co-Author: ayushranjan PiperOrigin-RevId: 370785009
2021-04-27Merge release-20210419.0-34-g9ec49aabd (automated)gVisor bot
2021-04-27Fix SyscallInfo for epoll_pwait in strace.Jing Chen
PiperOrigin-RevId: 370733869
2021-04-27Merge release-20210419.0-33-g5b207fe78 (automated)gVisor bot
2021-04-26Remove metrics: fallback, vsyscallCount and partialResultNayana Bidari
The newly added Weirdness metric with fields should be used instead of them. Simple query for weirdness metric: http://shortn/_DGNk0z2Up6 PiperOrigin-RevId: 370578132
2021-04-26Merge release-20210419.0-32-g509f5aa57 (automated)gVisor bot
2021-04-26Merge pull request #5898 from zhlhahaha:2126-1gVisor bot
PiperOrigin-RevId: 370569000
2021-04-26Merge release-20210419.0-30-g36fdc6c9e (automated)gVisor bot
2021-04-26Handle tmpfs with 5 fields in /proc/mounts parsing.Adin Scannell
PiperOrigin-RevId: 370565903
2021-04-26Merge release-20210419.0-29-g5b7b7daa4 (automated)gVisor bot
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