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2020-10-23Support VFS2 save/restore.Jamie Liu
Inode number consistency checks are now skipped in save/restore tests for reasons described in greatest detail in StatTest.StateDoesntChangeAfterRename. They pass in VFS1 due to the bug described in new test case SimpleStatTest.DifferentFilesHaveDifferentDeviceInodeNumberPairs. Fixes #1663 PiperOrigin-RevId: 338776148
2020-09-18Deflake stat_test with save/restore enabled.Nicolas Lacasse
PiperOrigin-RevId: 332546659
2020-09-18Implement fsimpl/overlay.filesystem.RenameAt.Jamie Liu
Updates #1199 PiperOrigin-RevId: 332539197
2020-09-10[vfs] Disable nlink tests for overlayfs.Ayush Ranjan
Overlayfs intentionally does not compute nlink for directories (because it can be really expensive). Linux returns 1, VFS2 returns 2 and VFS1 actually calculates the correct value. PiperOrigin-RevId: 330967139
2020-03-25Misc fixes to make stat_test pass (almost)Fabricio Voznika
The only test failing now requires socket which is not available in VFS2 yet. Updates #1198 PiperOrigin-RevId: 302976572
2020-03-14Plumb VFS2 imported fds into virtual filesystem.Dean Deng
- When setting up the virtual filesystem, mount a host.filesystem to contain all files that need to be imported. - Make read/preadv syscalls to the host in cases where preadv2 may not be supported yet (likewise for writing). - Make save/restore functions in kernel/kernel.go return early if vfs2 is enabled. PiperOrigin-RevId: 300922353
2020-01-30Merge pull request #1471 from xiaobo55x:syscall_testgVisor bot
PiperOrigin-RevId: 292445329
2020-01-28Prefer Type& over Type &Michael Pratt
And Type* over Type *. This is basically a whitespace only change. gVisor code already prefers left-alignment of pointers and references, but clang-format formats for consistency with the majority of a file, and some files leaned the wrong way. This is a one-time pass to make us completely conforming. Autogenerated with: $ find . \( -name "*.cc" -or -name "*.c" -or -name "*.h" \) \ | xargs clang-format -i -style="{BasedOnStyle: Google, \ DerivePointerAlignment: false, PointerAlignment: Left}" PiperOrigin-RevId: 291972421
2020-01-27Fix header ordering and format all C++ code.Adin Scannell
PiperOrigin-RevId: 291844200
2020-01-21Change to standard types.Adin Scannell
PiperOrigin-RevId: 290846481
2020-01-21Merge pull request #1492 from majek:err_typo_in_netstack_testsgVisor bot
PiperOrigin-RevId: 290840370
2020-01-17Enable build of test/syscall tests on arm64.Haibo Xu
Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I277d6c708bbf5c3edd7c3568941cfd01dc122e17
2019-10-25test/syscall: Remove duplicated gtest/gtest.h.Haibo
Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I05a7ec69b98b88931ba4a8adb3e8a7b822006001 COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/1023 from xiaobo55x:syscall_test d44a8b1f827ed4081997af96cd58ba7449e0a9e1 PiperOrigin-RevId: 276740442
2019-07-29Fix flaky stat.cc test.Zach Koopmans
This test flaked on my current CL. Linux makes no guarantee that two inodes will consecutive (overflows happen). https://github.com/avagin/linux-task-diag/blob/master/fs/inode.c#L880 PiperOrigin-RevId: 260608240
2019-06-24Use correct statx syscall number for amd64.Nicolas Lacasse
The previous number was for the arm architecture. Also change the statx tests to force them to run on gVisor, which would have caught this issue. PiperOrigin-RevId: 254846831
2019-06-22Implement statx.Nicolas Lacasse
We don't have the plumbing for btime yet, so that field is left off. The returned mask indicates that btime is absent. Fixes #343 PiperOrigin-RevId: 254575752
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
Based on the guidelines at https://opensource.google.com/docs/releasing/authors/. 1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./' 2. Manual fixup of "Google Inc" references. 3. Add AUTHORS file. Authors may request to be added to this file. 4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS. Fixes #209 PiperOrigin-RevId: 245823212 Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-04-29Allow and document bug ids in gVisor codebase.Nicolas Lacasse
PiperOrigin-RevId: 245818639 Change-Id: I03703ef0fb9b6675955637b9fe2776204c545789
2019-04-22Bugfix: fix fstatat symbol link to dirWei Zhang
For a symbol link to some directory, eg. `/tmp/symlink -> /tmp/dir` `fstatat("/tmp/symlink")` should return symbol link data, but `fstatat("/tmp/symlink/")` (symlink with trailing slash) should return directory data it points following linux behaviour. Currently fstatat() a symlink with trailing slash will get "not a directory" error which is wrong. Signed-off-by: Wei Zhang <zhangwei198900@gmail.com> Change-Id: I63469b1fb89d083d1c1255d32d52864606fbd7e2 PiperOrigin-RevId: 244783916
2019-04-01Save/restore simple devices.Rahat Mahmood
We weren't saving simple devices' last allocated inode numbers, which caused inode number reuse across S/R. PiperOrigin-RevId: 241414245 Change-Id: I964289978841ef0a57d2fa48daf8eab7633c1284
2019-03-22lstat should resolve the final path component if it ends in a slash.Nicolas Lacasse
PiperOrigin-RevId: 239896221 Change-Id: I0949981fe50c57131c5631cdeb10b225648575c0
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
2018-12-10Open source system call tests.Brian Geffon
PiperOrigin-RevId: 224886231 Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22
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