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386 Commits

Author SHA1 Message Date
Christian Blichmann
ab7943abdc Simplify ptrace emulation and code style fixes 
PiperOrigin-RevId: 369862187
Change-Id: Ia0759c320cde1c9e3798f0df5c2a0d50ca20fd71
 2021-04-22 06:56:45 -07:00
Wiktor Garbacz
d9824dff16 Use absl::Span in BPF disassembler 
PiperOrigin-RevId: 369636095
Change-Id: I13a8ae08ba354e54c502e0f6cdd35287fdfbb723
 2021-04-21 05:33:12 -07:00
Catalin Patulea
4344bbceba Add optional VLOG(1) for additional process info on Syscall Violation. 
PiperOrigin-RevId: 368900451
Change-Id: I331d0e239e2f3176c435bd42012d155d60d0b1ac
 2021-04-16 12:43:08 -07:00
Christian Blichmann
be6c878b01 Internal change touching the generator rules 
PiperOrigin-RevId: 368802693
Change-Id: Ia0102d1a92a49b807d4432ee3d0a6a02f528ef00
 2021-04-16 01:38:08 -07:00
Catalin Patulea
d5bd1cb38f Pretty-print ptrace event name on WIFSTOPPED. 
PiperOrigin-RevId: 368688417
Change-Id: I4368268f1b05148213010768a6d4eaa87211ea45
 2021-04-15 12:02:11 -07:00
Wiktor Garbacz
c15b5cb123 Log more info for seccomp setup failure 
PiperOrigin-RevId: 368618345
Change-Id: Ia1559ece8f83cf27623adab4baa141cd8cfdf143
 2021-04-15 05:09:38 -07:00
Wiktor Garbacz
6a679a407d Automated rollback of commit 54ac8f86fc. 
PiperOrigin-RevId: 368616441
Change-Id: I6ff53b730b44b5f08986be62b32fda13932ec19a
 2021-04-15 04:54:14 -07:00
Wiktor Garbacz
54ac8f86fc Automated rollback of commit 2ff96ba0e7. 
PiperOrigin-RevId: 368597960
Change-Id: Ifa6c8a57fbd7761fb5e121b589a49ad67333e7cd
 2021-04-15 02:17:50 -07:00
Wiktor Garbacz
2ff96ba0e7 Add missing TSAN syscalls 
PiperOrigin-RevId: 368427218
Change-Id: I73cd330028b805d8a86712936fb0c5103ce9914a
 2021-04-14 07:39:13 -07:00
Wiktor Garbacz
bc6bb0c7e5 Fix Mounts::ResolvePath for dir nodes. 
PiperOrigin-RevId: 368390904
Change-Id: I4f59e8d74b0d81497255cb0838d6d3132cae160b
 2021-04-14 02:45:41 -07:00
Martijn Vels
2efaa463c9 Implement enabling RSEQ inside AllowTcMalloc in terms of AllowRestartableSequences() 
PiperOrigin-RevId: 368208391
Change-Id: Ie1204cb3a0824ebe54b770e2669ae31f7932ed51
 2021-04-13 07:14:55 -07:00
Christian Blichmann
5eb412ac32 Internal change 
PiperOrigin-RevId: 368172152
Change-Id: Ie1479862473bfef7f08d555109a577d47bfbabc7
 2021-04-13 01:58:11 -07:00
Wiktor Garbacz
00649577d9 Fix Reg<long double> for MSAN 
On x86 `long double` has 10 bytes of meaningful data, but `sizeof(long double)` is 16 - the remaining bytes are random garbage.

Roll forward after fixing a bug in the original commit.

PiperOrigin-RevId: 368170639
Change-Id: I4a1d2d95b92eed6b71c37145726f7320cfc00ba0
 2021-04-13 01:44:01 -07:00
Sandboxed API Team
141fe911f5 Automated rollback of commit 16880d4e3c. 
PiperOrigin-RevId: 367459654
Change-Id: I93e13da18cb322c13f7c3e3a3ca4e301ccc49fdd
 2021-04-08 10:38:01 -07:00
Wiktor Garbacz
16880d4e3c Fix Reg<long double> for MSAN 
On x86 `long double` has 10 bytes of meaningful data, but `sizeof(long double)` is 16 - the remaining bytes are random garbage.

PiperOrigin-RevId: 367423349
Change-Id: I769b3444ce4fa60f941ccd2115b0b09ccc809f13
 2021-04-08 07:10:37 -07:00
Christian Blichmann
17f561f221 Use explicit conversion to std::string for look up in Protobuf maps 
This is needed for some compiler versions where `absl::string_view` == `std::string_view`.

PiperOrigin-RevId: 367392064
Change-Id: Id91d23510501df4745f386475ef9049d94062e1b
 2021-04-08 02:51:29 -07:00
Christian Blichmann
55049983c4
Add more compiler variants to GitHub Actions 
This changes the workflow definition so that we always try to install
compiler toolchains that we need.

See https://github.com/actions/virtual-environments/issues/2950 for more
context.

Drive-by:
- Mini fix to enable compilation under Clang 6.0

Signed-off-by: Christian Blichmann <cblichmann@google.com>
 2021-04-07 15:23:23 +02:00
Wiktor Garbacz
bc9d7a8db6 Properly handle unsigned-by-default char types 
PiperOrigin-RevId: 364774936
Change-Id: I2e411555d98cad128945949ea3eedb045af0421d
 2021-03-24 04:48:16 -07:00
Wiktor Garbacz
1be4d04f4e Avoid tail-call optimization in "violate" testcase 
PiperOrigin-RevId: 364523883
Change-Id: I5e43534d7db37b4c16f18fc3326714664ab0ae00
 2021-03-23 03:51:09 -07:00
Wiktor Garbacz
df840ae38f Fix order-dependent test. 
PiperOrigin-RevId: 363639702
Change-Id: I39f7ca1b4a2c65fe027bcc6ed71b10c2dcf46ca0
 2021-03-18 05:56:40 -07:00
Christian Blichmann
03bf9f72c0 Replace usage of deprecated functions within Sandboxed API 
PiperOrigin-RevId: 363637782
Change-Id: I804d60fb3990f891416f06d36cb71b094daf3e37
 2021-03-18 05:39:50 -07:00
Martijn Vels
753eacd314 Reduce requirements for restartable sequences 
PiperOrigin-RevId: 361780465
Change-Id: I299bc55c94d60575e16f0ea6b5f82b8b793af1cb
 2021-03-09 04:33:29 -08:00
Martijn Vels
b30d56e871 Add policy helper to allow restartable sequences 
PiperOrigin-RevId: 360266444
Change-Id: I0a3d2d071972bf7d6e7114a428c6954ed4bcef5c
 2021-03-01 13:39:42 -08:00
Wiktor Garbacz
9979faf752 Internal change 
PiperOrigin-RevId: 359245243
Change-Id: I1acea38c070e4533a0860152c66f8dbcf8c6fb7a
 2021-02-24 03:06:55 -08:00
Sandboxed API Team
508c7066a6 asan uses mmap() internally, so allow mmap() calls in asan builds 
PiperOrigin-RevId: 358802336
Change-Id: I26fa891cc9fffcfd32f6b18a63b39d6f2282ff7d
 2021-02-22 06:02:35 -08:00
Wiktor Garbacz
298271f0a7 Deprecate IPC::comms() 
PiperOrigin-RevId: 358380648
Change-Id: Iaf8f7dc0890be0e7e910649c6f519504f6b0a1a5
 2021-02-19 04:43:14 -08:00
Wiktor Garbacz
3d0fa1f891 Replace GetNode with ResolvePath in Mounts 
Now unwinding will properly handle binaries inside bind-mounted directories.

Drive-by:
 - Get rid of n^2 path handling
 - Get rid of namespace alias
PiperOrigin-RevId: 358353666
Change-Id: Ieec7690ec6a1ae6d358de375220566b69e8cb094
 2021-02-19 00:43:34 -08:00
Sandboxed API Team
ec64f47bba Adds IsRetryable() method to Result class, currently just returns false. 
Also fixes signature of `stack_trace()` method.

PiperOrigin-RevId: 356992845
Change-Id: I627caa9861cf7c0eb3496154504f0d948c789fb9
 2021-02-11 09:34:23 -08:00
Christian Blichmann
42f540bc7e Be more strict about target_link_libraries() 
Bazel readily enforces header visiblity for each target, CMake is more lenient.

PiperOrigin-RevId: 355407845
Change-Id: Ic59fa2162db8456d4c5cf4205c0fe42cc79874a9
 2021-02-03 09:01:31 -08:00
Sandboxed API Team
637dc471ac Avoid buffer overflows when the sandboxee shrinks a shared buffer. 
PiperOrigin-RevId: 355336078
Change-Id: I36aa106b3044cbc20b30718a12bd35d147c339c6
 2021-02-02 23:59:12 -08:00
Wiktor Garbacz
0bbcb495ee Remove unneeded Executor ctors 
absl::Span<const T> has an implicit ctor from container types.
PiperOrigin-RevId: 355155858
Change-Id: I70aea6b276b5e51f7682cba45bb2d4514cb1bc90
 2021-02-02 06:55:30 -08:00
Wiktor Garbacz
8cc018a242 Internal change 
PiperOrigin-RevId: 355126142
Change-Id: Iba8e54095e94f55811a92243d8af85d893418909
 2021-02-02 02:41:13 -08:00
Christian Blichmann
1840083919 Avoid complex designated initializer, initialize internal struct padding 
The former is to fix compilation on GCC 7, the latter to satisfy MSAN.

PiperOrigin-RevId: 355114355
Change-Id: I5c89a65df16fe9338bcfa24b2e48c246d240ce62
 2021-02-02 00:56:58 -08:00
Christian Blichmann
55a8373ec3 Avoid sanitizer macros use Abseil's where necessary 
Using C++17 means we can get rid of many `#ifdef`s by using `if constexpr`.
This way, we ensure that both branches compile and still retain zero runtime
overhead.

Note that open source builds of Sandboxed API do not ship with sanitizer
configurations yet. This will be added in follow-up changes.

PiperOrigin-RevId: 354932160
Change-Id: I3678dffc47ea873919f0a8c01f3a7d999fc29a5b
 2021-02-01 07:11:15 -08:00
Sandboxed API Team
6dcef3d5c9 Integrate LLVM at llvm/llvm-project@1c762a81d2 
Updates LLVM usage to match
[1c762a81d20f](https://github.com/llvm/llvm-project/commit/1c762a81d20f)

PiperOrigin-RevId: 354567452
Change-Id: I29758805e7e2030d014bbc0007f5c548f119246f
 2021-01-29 11:02:56 -08:00
Wiktor Garbacz
552a510777 Fix overload for Executor ctor calls with brace-initializers 
PiperOrigin-RevId: 354319778
Change-Id: I7b47ef2de734683f9168ef80f8b29357532d51ff
 2021-01-28 08:43:22 -08:00
Wiktor Garbacz
ec870c3d15 Simplify Executor ctor hierarchy 
Also accept `absl::string_view` and `absl::Span<const std::string>` arguments.

Drive-by:
 - Move using declaration into namespace
PiperOrigin-RevId: 354271016
Change-Id: Iadd873377e51cac7fa3800aab1f9e85ff94bd4e9
 2021-01-28 02:20:37 -08:00
Christian Blichmann
a617f4e8f0 Improvements to limits.h header 
- Directly initialize member fields
- Reword comments

PiperOrigin-RevId: 354093192
Change-Id: I19852c3f2bd1b05ed280102b0bed1ea62d8c4adc
 2021-01-27 08:05:25 -08:00
Christian Blichmann
6f33cef716 Allow FUTEX_WAKE for recent libc allocators 
PiperOrigin-RevId: 353827808
Change-Id: I6d1509016297fd16bec0ae6ea263896a1af9dc37
 2021-01-26 02:32:26 -08:00
Christian Blichmann
1459cc612e Cleanup, fix OSS Bazel build 
Bazel 4.0.0 is less lenient in handling escape sequences.

PiperOrigin-RevId: 353827443
Change-Id: I972841464449ed2262a0ef486343ae1ed444ad3c
 2021-01-26 02:29:08 -08:00
Wiktor Garbacz
b98bed9860 Internal change 
PiperOrigin-RevId: 353233756
Change-Id: Ib658a3602097dc0288af592e21db373eb12e2077
 2021-01-22 07:00:05 -08:00
Christian Blichmann
75bbd0e1c1 Internal change 
Only externally visible changes should be a few changed includes as well as
some formatting changes.

PiperOrigin-RevId: 353226662
Change-Id: Iebf5be13774efcbd94c5d5a17b9b27e47275b229
 2021-01-22 06:01:34 -08:00
Christian Blichmann
19fd11b91e Move GetInternalDataDependencyFilePath() into internal namespace 
Implements #79

PiperOrigin-RevId: 351778836
Change-Id: I726837d8e75880bf5ddfb1a327249dd666adec53
 2021-01-14 05:11:22 -08:00
Christian Blichmann
dbaf95c724 Move utility code into sandboxed_api/util 
This change should make it less confusing where utility code comes from.
Having it in two places made sense when we were debating whether to publish
Sandbox2 separately, but not any longer.

Follow-up changes will move `sandbox2/util.h` and rename the remaining
`sandbox2/util` folder.

PiperOrigin-RevId: 351601640
Change-Id: I6256845261f610e590c25e2c59851cc51da2d778
 2021-01-13 09:25:52 -08:00
Sandboxed API Team
b61b2a37b7 Add IsStarted() method to GlobalForkClient. 
PiperOrigin-RevId: 351170872
Change-Id: I5544eb27962606a562ce79b97d508f841ec0dc56
 2021-01-11 09:34:13 -08:00
Sandboxed API Team
3d737e3830 Automated rollback of commit 7440916b80. 
PiperOrigin-RevId: 351144593
Change-Id: Ic1401e16dcf2b6b009a9f53395929e31a68cfa77
 2021-01-11 06:58:30 -08:00
Maciej Szawłowski
7440916b80 Internal tests tweak. 
PiperOrigin-RevId: 351138044
Change-Id: I98e27ca5f0ea456a906c5382aa22135f21c8a1d9
 2021-01-11 06:07:45 -08:00
Wiktor Garbacz
451c24c1c4 Fix fd leak 
Support swapping and move assignment in FDCloser

PiperOrigin-RevId: 351119550
Change-Id: I9865d2fcad029a440cab60328b8731f8e1dc340f
 2021-01-11 03:33:27 -08:00
Wiktor Garbacz
6dd0a52561 Use unique var name in SAPI_RETURN_IF_ERROR to avoid name clashes 
PiperOrigin-RevId: 350724380
Change-Id: I07c11b1897043df188bbef7934b5a41185a82a79
 2021-01-08 02:09:40 -08:00
Copybara-Service
918a409126 Merge pull request #78 from cblichmann:gen2-clang-path 
PiperOrigin-RevId: 350524271
Change-Id: I46080c86c8e03f13a7468a73d752e968d5e9b56d
 2021-01-07 03:19:55 -08:00