Commit Graph

11 Commits

Author SHA1 Message Date
Adin Scannell add40fd6ad Update canonical repository.
This can be merged after:
https://github.com/google/gvisor-website/pull/77
  or
https://github.com/google/gvisor-website/pull/78

PiperOrigin-RevId: 253132620
2019-06-13 16:50:15 -07:00
Michael Pratt c8857f7269 Fix inconsistencies in ELF anonymous mappings
* A segment with filesz == 0, memsz > 0 should be an anonymous only
  mapping. We were failing to load such an ELF.
* Anonymous pages are always mapped RW, regardless of the segment
  protections.

PiperOrigin-RevId: 249355239
Change-Id: I251e5c0ce8848cf8420c3aadf337b0d77b1ad991
2019-05-21 17:06:05 -07:00
Michael Pratt 4d52a55201 Change copyright notice to "The gVisor Authors"
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
2019-04-29 14:26:23 -07:00
Brian Geffon 82719be42e Max link traversals should be for an entire path.
The number of symbolic links that are allowed to be followed
are for a full path and not just a chain of symbolic links.

PiperOrigin-RevId: 224047321
Change-Id: I5e3c4caf66a93c17eeddcc7f046d1e8bb9434a40
2018-12-04 14:32:03 -08:00
Ian Gudger 8fce67af24 Use correct company name in copyright header
PiperOrigin-RevId: 217951017
Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
2018-10-19 16:35:11 -07:00
Michael Pratt 569c2b06c4 Statfs Namelen should be NAME_MAX not PATH_MAX
We accidentally set the wrong maximum. I've also added PATH_MAX and
NAME_MAX to the linux abi package.

PiperOrigin-RevId: 216221311
Change-Id: I44805fcf21508831809692184a0eba4cee469633
2018-10-08 11:39:54 -07:00
Brian Geffon 545ea7ab3f Always add AT_BASE even if there is no interpreter.
Linux will ALWAYS add AT_BASE even for a static binary, expect it
will be set to 0 [1].

1. https://github.com/torvalds/linux/blob/master/fs/binfmt_elf.c#L253

PiperOrigin-RevId: 209811129
Change-Id: I92cc66532f23d40f24414a921c030bd3481e12a0
2018-08-22 12:37:09 -07:00
Michael Pratt 062a6f6ec5 Handle NUL-only paths in exec
The path in execve(2), interpreter script, and ELF interpreter may all
be no more than a NUL-byte. Handle each of those cases.

PiperOrigin-RevId: 203155745
Change-Id: I1c8b1b387924b23b2cf942341dfc76c9003da959
2018-07-03 11:28:53 -07:00
Jamie Liu 7a10df454b Drop MMapOpts.MappingIdentity reference in loader.mapSegment.
PiperOrigin-RevId: 200261995
Change-Id: I7e460b18ceab2c23096bdeb7416159d6e774aaf7
2018-06-12 12:38:02 -07:00
Ian Gudger 268edf0e62 Remove ineffectual code in sentry ELF loader
PiperOrigin-RevId: 195517702
Change-Id: Id90309a6365cac06e68e8774aa79dc76ce1b11c7
2018-05-04 23:20:01 -07:00
Googler d02b74a5dc Check in gVisor.
PiperOrigin-RevId: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
2018-04-28 01:44:26 -04:00