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43 Commits
Author SHA1 Message Date
Dean DengandgVisor bot 63f4cef4d1 [vfs2] Fix fork reference leaks. 
PiperOrigin-RevId: 337919424
 2020-10-19 13:20:13 -07:00
Dean DengandgVisor bot 432963dd2d [vfs2] Don't take reference in Task.MountNamespaceVFS2 and MountNamespace.Root. 
This fixes reference leaks related to accidentally forgetting to DecRef()
after calling one or the other.

PiperOrigin-RevId: 336918922
 2020-10-13 11:31:22 -07:00
gVisor bot d64ba89da3 Internal change. 
PiperOrigin-RevId: 324826968
 2020-08-04 09:31:11 -07:00
Nayana BidariandgVisor bot b2ae7ea1bb Plumbing context.Context to DecRef() and Release(). 
context is passed to DecRef() and Release() which is
needed for SO_LINGER implementation.

PiperOrigin-RevId: 324672584
 2020-08-03 13:36:05 -07:00
gVisor bot c81ac8ec3b Merge pull request #2672 from amscanne:shim-integrated 
PiperOrigin-RevId: 321053634
 2020-07-13 16:10:58 -07:00
Fabricio VoznikaandgVisor bot c4815af947 Add shared mount hints to VFS2 
Container restart test is disabled for VFS2 for now.

Updates #1487

PiperOrigin-RevId: 320296401
 2020-07-08 17:12:29 -07:00
Ayush RanjanandgVisor bot efa2615eb0 [vfs2] Remove VFS1 usage in VDSO. 
Removed VDSO dependency on VFS1.

Resolves #2921

PiperOrigin-RevId: 320122176
 2020-07-07 21:37:08 -07:00
Nicolas LacasseandgVisor bot 9de982ea79 Allow passing root file type to tmpfs. 
PiperOrigin-RevId: 304053357
 2020-03-31 15:02:57 -07:00
Fabricio VoznikaandgVisor bot 45a8ae240d Add remaining procfs files 
Closes #1195

PiperOrigin-RevId: 300867055
 2020-03-13 18:57:07 -07:00
gVisor botandCopybara-Service 4a73bae269 Initial network namespace support. 
TCP/IP will work with netstack networking. hostinet doesn't work, and sockets
will have the same behavior as it is now.

Before the userspace is able to create device, the default loopback device can
be used to test.

/proc/net and /sys/net will still be connected to the root network stack; this
is the same behavior now.

Issue #1833

PiperOrigin-RevId: 296309389
 2020-02-20 15:20:40 -08:00
gVisor bot 3557b26651 Allow vfs.IterDirentsCallback.Handle() to return an error. 
This is easier than storing errors from e.g. CopyOut in the callback.

PiperOrigin-RevId: 295230021
 2020-02-14 14:40:35 -08:00
gVisor bot e4c7f3e6f6 Inline vfs.VirtualFilesystem in Kernel struct 
This saves one pointer dereference per VFS access.

Updates #1623

PiperOrigin-RevId: 295216176
 2020-02-14 13:40:39 -08:00
gVisor bot 4075de11be Plumb VFS2 inside the Sentry 
- Added fsbridge package with interface that can be used to open
  and read from VFS1 and VFS2 files.
- Converted ELF loader to use fsbridge
- Added VFS2 types to FSContext
- Added vfs.MountNamespace to ThreadGroup

Updates #1623

PiperOrigin-RevId: 295183950
 2020-02-14 11:12:47 -08:00
Fabricio VoznikaandgVisor bot dcffddf0ca Remove argument from vfs.MountNamespace.DecRef() 
Updates #1035

PiperOrigin-RevId: 293194631
 2020-02-04 11:48:36 -08:00
Adin ScannellandgVisor bot 0e2f1b7abd Update package locations. 
Because the abi will depend on the core types for marshalling (usermem,
context, safemem, safecopy), these need to be flattened from the sentry
directory. These packages contain no sentry-specific details.

PiperOrigin-RevId: 291811289
 2020-01-27 15:31:32 -08:00
Adin ScannellandgVisor bot d29e59af9f Standardize on tools directory. 
PiperOrigin-RevId: 291745021
 2020-01-27 12:21:00 -08:00
Rahat MahmoodandgVisor bot 896bd654b6 De-duplicate common test functionality for VFS2 filesystems. 
PiperOrigin-RevId: 291041576
 2020-01-22 15:16:21 -08:00
Rahat MahmoodandgVisor bot ad1968ed56 Implement sysfs. 
PiperOrigin-RevId: 290822487
 2020-01-21 15:13:26 -08:00