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2020-05-29Merge release-20200522.0-27-gfe464f44 (automated)gVisor bot
2020-05-29Port inotify to vfs2, with support in tmpfs.Dean Deng
Support in other filesystem impls is still needed. Unlike in Linux and vfs1, we need to plumb inotify down to each filesystem implementation in order to keep track of links/inode structures properly. IN_EXCL_UNLINK still needs to be implemented, as well as a few inotify hooks that are not present in either vfs1 or vfs2. Those will be addressed in subsequent changes. Updates #1479. PiperOrigin-RevId: 313781995
2020-05-27Merge release-20200518.0-45-g0bc022b7 (automated)gVisor bot
2020-05-26Implement splice(2) and tee(2) for VFS2.Jamie Liu
Updates #138 PiperOrigin-RevId: 313326354
2020-05-15Merge release-20200511.0-250-g679fd25 (automated)gVisor bot
2020-05-15Remove debug log left behind by mistake.Bhasker Hariharan
PiperOrigin-RevId: 311808460
2020-05-15Merge release-20200422.0-308-gfb7e5f1 (automated)gVisor bot
2020-05-14Make utimes_test pass on VFS2.Jamie Liu
PiperOrigin-RevId: 311657502
2020-05-14Merge release-20200422.0-303-g47dfba7 (automated)gVisor bot
2020-05-14Port memfd_create to vfs2 and finish implementation of file seals.Nicolas Lacasse
Closes #2612. PiperOrigin-RevId: 311548074
2020-05-07Merge release-20200422.0-55-g5536073 (automated)gVisor bot
2020-05-07Fix ARM64 build.Adin Scannell
The common syscall definitions mean that ARM64-exclusive files need stubs in the ARM64 build. PiperOrigin-RevId: 310446698
2020-05-07Merge release-20200422.0-49-gd0b1d02 (automated)gVisor bot
2020-05-07Move pkg/sentry/vfs/{eventfd,timerfd} to new packages in pkg/sentry/fsimpl.Nicolas Lacasse
They don't depend on anything in VFS2, so they should be their own packages. PiperOrigin-RevId: 310416807
2020-05-07Merge release-20200422.0-47-g26c60d7 (automated)gVisor bot
2020-05-07Port signalfd to vfs2.Nicolas Lacasse
PiperOrigin-RevId: 310404113
2020-05-06Merge release-20200422.0-39-g7cd54c1 (automated)gVisor bot
2020-05-06Remove vfs.FileDescriptionOptions.InvalidWrite.Jamie Liu
Compare: https://elixir.bootlin.com/linux/v5.6/source/fs/timerfd.c#L431 PiperOrigin-RevId: 310246908
2020-05-06Merge release-20200422.0-37-g279f1eb (automated)gVisor bot
2020-05-06Fix runsc syscall documentation generation.Adin Scannell
We can register any number of tables with any number of architectures, and need not limit the definitions to the architecture in question. This allows runsc to generate documentation for all architectures simultaneously. Similarly, this simplifies the VFSv2 patching process. PiperOrigin-RevId: 310224827
2020-05-06Merge release-20200422.0-34-g591ff0e (automated)gVisor bot
2020-05-06Add maximum memory limit.Nicolas Lacasse
PiperOrigin-RevId: 310179277
2020-05-05Merge release-20200422.0-29-gfaf89dd (automated)gVisor bot
2020-05-05Update vfs2 socket TODOs.Dean Deng
Three updates: - Mark all vfs2 socket syscalls as supported. - Use the same dev number and ino number generator for all types of sockets, unlike in VFS1. - Do not use host fd for hostinet metadata. Fixes #1476, #1478, #1484, 1485, #2017. PiperOrigin-RevId: 309994579
2020-05-04Merge release-20200422.0-25-gda71dc7 (automated)gVisor bot
2020-05-04Port eventfd to VFS2.Nicolas Lacasse
And move sys_timerfd.go to just timerfd.go for consistency. Updates #1475. PiperOrigin-RevId: 309835029
2020-04-29Merge release-20200413.0-24-gef94401 (automated)gVisor bot
2020-04-29Add read/write timeouts for VFS2 socket files.Dean Deng
Updates #1476 PiperOrigin-RevId: 309098590
2020-04-26Merge release-20200323.0-251-g3c67754 (automated)gVisor bot
2020-04-25Enable automated marshalling for signals and the arch package.Rahat Mahmood
PiperOrigin-RevId: 308472331
2020-04-24Merge release-20200323.0-239-gf13f26d (automated)gVisor bot
2020-04-24Port SCM Rights to VFS2.Dean Deng
Fixes #1477. PiperOrigin-RevId: 308317511
2020-04-24Merge release-20200323.0-229-gf01f213 (automated)gVisor bot
2020-04-23Enable automated marshalling for mempolicy syscalls.Rahat Mahmood
PiperOrigin-RevId: 308170679
2020-04-23Merge release-20200323.0-226-g93dd471 (automated)gVisor bot
2020-04-23Enable automated marshalling for epoll events.Rahat Mahmood
Ensure we use the correct architecture-specific defintion of epoll event, and use go-marshal for serialization. PiperOrigin-RevId: 308145677
2020-04-22Merge release-20200323.0-210-g5e3596a (automated)gVisor bot
2020-04-21Fix set/getsockopt in vfs2 override.Dean Deng
Updates #1476. PiperOrigin-RevId: 307726055
2020-04-21Merge release-20200323.0-207-g37e01fd (automated)gVisor bot
2020-04-21Misc VFS2 fixesFabricio Voznika
- Fix defer operation ordering in kernfs.Filesystem.AccessAt() - Add AT_NULL entry in proc/pid/auvx - Fix line padding in /proc/pid/maps - Fix linux_dirent serialization for getdents(2) - Remove file creation flags from vfs.FileDescription.statusFlags() Updates #1193, #1035 PiperOrigin-RevId: 307704159
2020-04-21Merge release-20200323.0-198-gc615aaf (automated)gVisor bot
2020-04-17Merge release-20200323.0-182-ge838290 (automated)gVisor bot
2020-04-17prlimit: don't check credentials on selfKevin Krakauer
prlimit was erroneously comparing UIDs and GIDs when getting/setting a process' own limits. From the manpage: To set or get the resources of a process other than itself, the caller must have the CAP_SYS_RESOURCE capability, or the real, effective, and saved set user IDs of the target process must match the real user ID of the caller and the real, effective, and saved set group IDs of the target process must match the real group ID of the caller. PiperOrigin-RevId: 307127266
2020-04-17Merge release-20200323.0-173-gf03996c (automated)gVisor bot
2020-04-16Implement pipe(2) and pipe2(2) for VFS2.Jamie Liu
Updates #1035 PiperOrigin-RevId: 306968644
2020-04-16Merge release-20200323.0-164-g2839981 (automated)gVisor bot
2020-04-16Make ExtractErrno a functionFabricio Voznika
PiperOrigin-RevId: 306891171
2020-04-14Merge release-20200323.0-154-g2dd6384 (automated)gVisor bot
2020-04-14Fix cleanup around socketpair() failure to copy out FDs.Jamie Liu
- Use the fs.File, rather than the vfs.FileDescription, in the VFS1 version. - Check for a nil fs.File/vfs.FileDescription before calling DecRef, which is possible if a racing dup2() or dup3() replaces the file descriptor between when it is installed and when it is returned. (This is not possible in Linux because Linux separates allocation of a file descriptor from binding an allocated file descriptor to a struct file, and dup2/dup3 return EBUSY if asked to replace an allocated but unbound file descriptor.) PiperOrigin-RevId: 306517101
2020-04-14Merge release-20200323.0-153-g52b4b19 (automated)gVisor bot
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