summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry
AgeCommit message (Collapse)Author
2019-08-14Merge 570fb1db (automated)gVisor bot
2019-08-14Improve SendMsg performance.Bhasker Hariharan
SendMsg before this change would copy all the data over into a new slice even if the underlying socket could only accept a small amount of data. This is really inefficient with non-blocking sockets and under high throughput where large writes could get ErrWouldBlock or if there was say a timeout associated with the sendmsg() syscall. With this change we delay copying bytes in till they are needed and only copy what can be potentially sent/held in the socket buffer. Reducing the need to repeatedly copy data over. Also a minor fix to change state FIN-WAIT-1 when shutdown(..., SHUT_WR) is called instead of when we transmit the actual FIN. Otherwise the socket could remain in CONNECTED state even though the user has called shutdown() on the socket. Updates #627 PiperOrigin-RevId: 263430505
2019-08-14Merge cee044c2 (automated)gVisor bot
2019-08-13Add vfs.DynamicBytesFileDescriptionImpl.Jamie Liu
This replaces fs/proc/seqfile for vfs2-based filesystems. PiperOrigin-RevId: 263254647
2019-08-13Merge 0e907c42 (automated)gVisor bot
2019-08-13Fix file mode check in pipeOperationsFabricio Voznika
PiperOrigin-RevId: 263203441
2019-08-13Merge c386f046 (automated)gVisor bot
2019-08-13Merge 99bf75a6 (automated)gVisor bot
2019-08-13Merge 8d97b22a (automated)gVisor bot
2019-08-13Merge 691c2f81 (automated)gVisor bot
2019-08-12Handle ENOSPC with a partial write.Nicolas Lacasse
Similar to the EPIPE case, we can return the number of bytes written before ENOSPC was encountered. If the app tries to write more, we can return ENOSPC on the next write. PiperOrigin-RevId: 263041648
2019-08-12Merge eac690e3 (automated)gVisor bot
2019-08-10Merge af90e686 (automated)gVisor bot
2019-08-09netlink: return an error in nlmsgerrAndrei Vagin
Now if a process sends an unsupported netlink requests, an error is returned from the send system call. The linux kernel works differently in this case. It returns errors in the nlmsgerr netlink message. Reported-by: syzbot+571d99510c6f935202da@syzkaller.appspotmail.com PiperOrigin-RevId: 262690453
2019-08-09Merge f2762e8c (automated)gVisor bot
2019-08-09Merge 5a38eb12 (automated)gVisor bot
2019-08-09Add initial ptrace stub and syscall support for arm64.Haibo Xu
Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: I1dbd23bb240cca71d0cc30fc75ca5be28cb4c37c PiperOrigin-RevId: 262619519
2019-08-09ext: Move to pkg/sentry/fsimpl.Ayush Ranjan
fsimpl is the keeper of all filesystem implementations in VFS2. PiperOrigin-RevId: 262617869
2019-08-09Merge 69030811 (automated)gVisor bot
2019-08-08ext: Benchmark tests.Ayush Ranjan
Added benchmark tests which emulate memfs benchmarks. Stat benchmarks BenchmarkVFS2Ext4fsStat/1-12 10000000 145 ns/op BenchmarkVFS2Ext4fsStat/2-12 10000000 170 ns/op BenchmarkVFS2Ext4fsStat/3-12 10000000 202 ns/op BenchmarkVFS2Ext4fsStat/8-12 3000000 374 ns/op BenchmarkVFS2Ext4fsStat/64-12 500000 2159 ns/op BenchmarkVFS2Ext4fsStat/100-12 300000 3459 ns/op BenchmarkVFS1TmpfsStat/1-12 5000000 348 ns/op BenchmarkVFS1TmpfsStat/2-12 3000000 487 ns/op BenchmarkVFS1TmpfsStat/3-12 2000000 655 ns/op BenchmarkVFS1TmpfsStat/8-12 1000000 1365 ns/op BenchmarkVFS1TmpfsStat/64-12 200000 9565 ns/op BenchmarkVFS1TmpfsStat/100-12 100000 15158 ns/op BenchmarkVFS2MemfsStat/1-12 10000000 133 ns/op BenchmarkVFS2MemfsStat/2-12 10000000 155 ns/op BenchmarkVFS2MemfsStat/3-12 10000000 182 ns/op BenchmarkVFS2MemfsStat/8-12 5000000 310 ns/op BenchmarkVFS2MemfsStat/64-12 1000000 1659 ns/op BenchmarkVFS2MemfsStat/100-12 500000 2787 ns/op Mount Stat benchmarks BenchmarkVFS2ExtfsMountStat/1-12 5000000 245 ns/op BenchmarkVFS2ExtfsMountStat/2-12 5000000 266 ns/op BenchmarkVFS2ExtfsMountStat/3-12 5000000 304 ns/op BenchmarkVFS2ExtfsMountStat/8-12 3000000 456 ns/op BenchmarkVFS2ExtfsMountStat/64-12 500000 2308 ns/op BenchmarkVFS2ExtfsMountStat/100-12 300000 3482 ns/op BenchmarkVFS1TmpfsMountStat/1-12 3000000 488 ns/op BenchmarkVFS1TmpfsMountStat/2-12 2000000 658 ns/op BenchmarkVFS1TmpfsMountStat/3-12 2000000 806 ns/op BenchmarkVFS1TmpfsMountStat/8-12 1000000 1514 ns/op BenchmarkVFS1TmpfsMountStat/64-12 100000 10037 ns/op BenchmarkVFS1TmpfsMountStat/100-12 100000 15280 ns/op BenchmarkVFS2MemfsMountStat/1-12 10000000 212 ns/op BenchmarkVFS2MemfsMountStat/2-12 5000000 232 ns/op BenchmarkVFS2MemfsMountStat/3-12 5000000 264 ns/op BenchmarkVFS2MemfsMountStat/8-12 3000000 390 ns/op BenchmarkVFS2MemfsMountStat/64-12 1000000 1813 ns/op BenchmarkVFS2MemfsMountStat/100-12 500000 2812 ns/op PiperOrigin-RevId: 262477158
2019-08-08Merge 7bfad8eb (automated)gVisor bot
2019-08-08Return a well-defined socket address type from socket funtions.Rahat Mahmood
Previously we were representing socket addresses as an interface{}, which allowed any type which could be binary.Marshal()ed to be used as a socket address. This is fine when the address is passed to userspace via the linux ABI, but is problematic when used from within the sentry such as by networking procfs files. PiperOrigin-RevId: 262460640
2019-08-08Merge 13a98df4 (automated)gVisor bot
2019-08-08netstack: Don't start endpoint goroutines too soon on restore.Rahat Mahmood
Endpoint protocol goroutines were previously started as part of loading the endpoint. This is potentially too soon, as resources used by these goroutine may not have been loaded. Protocol goroutines may perform meaningful work as soon as they're started (ex: incoming connect) which can cause them to indirectly access resources that haven't been loaded yet. This CL defers resuming all protocol goroutines until the end of restore. PiperOrigin-RevId: 262409429
2019-08-08Merge 2e45d169 (automated)gVisor bot
2019-08-08Merge pull request #653 from xiaobo55x:devgVisor bot
PiperOrigin-RevId: 262402929
2019-08-08Merge 06102af6 (automated)gVisor bot
2019-08-08memfs fixes.Jamie Liu
- Unexport Filesystem/Dentry/Inode. - Support SEEK_CUR in directoryFD.Seek(). - Hold Filesystem.mu before touching directoryFD.off in directoryFD.Seek(). - Remove deleted Dentries from their parent directory.childLists. - Remove invalid FIXMEs. PiperOrigin-RevId: 262400633
2019-08-08Merge 08cd5e1d (automated)gVisor bot
2019-08-07ext: Seek unit tests.Ayush Ranjan
PiperOrigin-RevId: 262264674
2019-08-08Merge 40d6d8c1 (automated)gVisor bot
2019-08-07ext: StatAt unit tests.Ayush Ranjan
PiperOrigin-RevId: 262249166
2019-08-07Merge 3b368cab (automated)gVisor bot
2019-08-07ext: Read unit tests.Ayush Ranjan
PiperOrigin-RevId: 262242410
2019-08-07Merge ad67e5a7 (automated)gVisor bot
2019-08-07ext: IterDirent unit tests.Ayush Ranjan
PiperOrigin-RevId: 262226761
2019-08-07Merge 1c9781a4 (automated)gVisor bot
2019-08-07ext: vfs.FileDescriptionImpl and vfs.FilesystemImpl implementations.Ayush Ranjan
- This also gets rid of pipes for now because pipe does not have vfs2 specific support yet. - Added file path resolution logic. - Fixes testing infrastructure. - Does not include unit tests yet. PiperOrigin-RevId: 262213950
2019-08-07Merge 79cc4397 (automated)gVisor bot
2019-08-07Merge e70eafc9 (automated)gVisor bot
2019-08-06Merge dfbc0b0a (automated)gVisor bot
2019-08-06Merge 704f9610 (automated)gVisor bot
2019-08-06Require pread/pwrite for splice file offsetsMichael Pratt
If there is an offset, the file must support pread/pwrite. See fs/splice.c:do_splice. PiperOrigin-RevId: 261944932
2019-08-05Merge 23e74043 (automated)gVisor bot
2019-08-05Change syscall.EPOLLET to unix.EPOLLETHaibo Xu
syscall.EPOLLET has been defined with different values on amd64 and arm64(-0x80000000 on amd64, and 0x80000000 on arm64), while unix.EPOLLET has been unified this value to 0x80000000(golang/go#5328). ref #63 Signed-off-by: Haibo Xu <haibo.xu@arm.com> Change-Id: Id97d075c4e79d86a2ea3227ffbef02d8b00ffbb8
2019-08-02Merge 960a5e55 (automated)gVisor bot
2019-08-02Plumbing for iptables sockopts.Kevin Krakauer
PiperOrigin-RevId: 261413396
2019-08-02Merge b6a5b950 (automated)gVisor bot
2019-08-02Job control: controlling TTYs and foreground process groups.Kevin Krakauer
(Don't worry, this is mostly tests.) Implemented the following ioctls: - TIOCSCTTY - set controlling TTY - TIOCNOTTY - remove controlling tty, maybe signal some other processes - TIOCGPGRP - get foreground process group. Also enables tcgetpgrp(). - TIOCSPGRP - set foreground process group. Also enabled tcsetpgrp(). Next steps are to actually turn terminal-generated control characters (e.g. C^c) into signals to the proper process groups, and to send SIGTTOU and SIGTTIN when appropriate. PiperOrigin-RevId: 261387276
2019-08-02Merge b461be88 (automated)gVisor bot
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 04:36:53 +0000