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Wiktor Garbacz 0ec4f07f96 Fix rare failure while starting the global forkserver 
This bug only manifests if a lot of fds are open when global forkserver is started.
If the allocated exec_fd number was equal Comms::kSandbox2ClientCommsFD then it would be replaced by the comms fd and result in EACCESS at execveat.

PiperOrigin-RevId: 380805414
Change-Id: I31427fa929abfc60890477b55790cc14c749f7f5
2021-06-22 07:48:58 -07:00
..
examples
Enable AArch64 syscalls in examples
2021-05-26 05:47:37 -07:00
network_proxy
Update third-party dependencies
2021-04-26 05:00:30 -07:00
testcases
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
unwind
Better error handling in stacktraces
2021-06-22 05:52:15 -07:00
util
Use sapi::file::GetContents() and light Mini-ELF refactoring
2021-04-28 07:49:17 -07:00
bpfdisassembler.cc
Use absl::Span in BPF disassembler
2021-04-21 05:33:12 -07:00
bpfdisassembler.h
Use absl::Span in BPF disassembler
2021-04-21 05:33:12 -07:00
buffer_test.cc
Deprecate IPC::comms()
2021-02-19 04:43:14 -08:00
buffer.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
buffer.h
Change int64 to size_t in Buffer
2020-10-01 06:45:38 -07:00
BUILD.bazel
Fix rare failure while starting the global forkserver
2021-06-22 07:48:58 -07:00
client.cc
Log more info for seccomp setup failure
2021-04-15 05:09:38 -07:00
client.h
Replace std::unique_ptr<uint8_t[]> with vector
2020-11-05 02:03:46 -08:00
CMakeLists.txt
Fix rare failure while starting the global forkserver
2021-06-22 07:48:58 -07:00
comms_test.cc
Change int64 to size_t in Buffer
2020-10-01 06:45:38 -07:00
comms_test.proto
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
comms.cc
Fix a data race in Comms
2021-05-18 05:48:54 -07:00
comms.h
Add workaround for active Tomoyo LSM
2021-05-10 07:04:04 -07:00
executor.cc
Minor cleanup/formatting changes
2021-05-17 04:07:08 -07:00
executor.h
Remove unneeded Executor ctors
2021-02-02 06:55:30 -08:00
fork_client.cc
Minor ForkClient improvements
2020-10-05 05:10:16 -07:00
fork_client.h
Start global fork-server on demand
2020-11-05 08:48:03 -08:00
forkingclient.cc
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
forkingclient.h
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
forkserver_bin.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
forkserver_test.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
forkserver.cc
Minor cleanup/formatting changes
2021-05-17 04:07:08 -07:00
forkserver.h
Extract ForkClient to a separate target
2020-07-17 04:54:54 -07:00
forkserver.proto
Internal change
2020-01-31 05:39:25 -08:00
global_forkclient_lib_ctor.cc
Do not fail if forkserver is disabled by env when lib_ctor is used
2020-12-10 02:49:54 -08:00
global_forkclient.cc
Fix rare failure while starting the global forkserver
2021-06-22 07:48:58 -07:00
global_forkclient.h
Add IsStarted() method to GlobalForkClient.
2021-01-11 09:34:13 -08:00
ipc_test.cc
Internal change
2021-01-22 06:01:34 -08:00
ipc.cc
Now network proxy server supports IP filtering. API to policybuilder is added to make a list of allowed pairs of allowed IP, mask and port where mask and port are optional.
2020-02-20 07:45:44 -08:00
ipc.h
Deprecate IPC::comms()
2021-02-19 04:43:14 -08:00
limits_test.cc
Internal change
2021-01-22 06:01:34 -08:00
limits.h
Improvements to limits.h header
2021-01-27 08:05:25 -08:00
logserver.cc
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
logserver.h
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
logserver.proto
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
logsink.cc
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
logsink.h
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
monitor.cc
Better error handling in stacktraces
2021-06-22 05:52:15 -07:00
monitor.h
Internal change
2021-05-20 08:17:10 -07:00
mounts_test.cc
Fix Mounts::ResolvePath for dir nodes.
2021-04-14 02:45:41 -07:00
mounts.cc
Minor cleanup/formatting changes
2021-05-17 04:07:08 -07:00
mounts.h
Add workaround for active Tomoyo LSM
2021-05-10 07:04:04 -07:00
mounttree.proto
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
namespace_test.cc
Internal change
2021-01-22 06:01:34 -08:00
namespace.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
namespace.h
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
notify_test.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
notify.h
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
policy_test.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
policy.cc
Internal change
2021-05-20 08:17:10 -07:00
policy.h
Internal change
2021-05-20 08:17:10 -07:00
policybuilder_test.cc
Avoid sanitizer macros use Abseil's where necessary
2021-02-01 07:11:15 -08:00
policybuilder.cc
Add rt_sigprocmask to AllowLogForwarding
2021-05-27 04:40:28 -07:00
policybuilder.h
Internal change
2021-05-20 08:17:10 -07:00
README.md
Corrects typo in link
2019-10-07 02:36:35 -07:00
regs.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
regs.h
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
result.cc
Avoid sanitizer macros use Abseil's where necessary
2021-02-01 07:11:15 -08:00
result.h
Adds IsRetryable() method to Result class, currently just returns false.
2021-02-11 09:34:23 -08:00
sandbox2_test.cc
Internal change
2021-01-22 06:01:34 -08:00
sandbox2.cc
Internal BUILD refactoring
2020-09-03 07:40:33 -07:00
sandbox2.h
Internal BUILD refactoring
2020-09-03 07:40:33 -07:00
sanitizer_test.cc
Internal change
2021-01-22 06:01:34 -08:00
sanitizer.cc
Add optional VLOG(1) for additional process info on Syscall Violation.
2021-04-16 12:43:08 -07:00
sanitizer.h
Update license header with recommended best practices
2020-01-17 05:05:29 -08:00
stack_trace_test.cc
Fix order-dependent test.
2021-03-18 05:56:40 -07:00
stack_trace.cc
Better error handling in stacktraces
2021-06-22 05:52:15 -07:00
stack_trace.h
Better error handling in stacktraces
2021-06-22 05:52:15 -07:00
syscall_defs.cc
Add new x86-64 syscalls
2021-06-04 01:01:34 -07:00
syscall_defs.h
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
syscall_test.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
syscall.cc
Add more compiler variants to GitHub Actions
2021-04-07 15:23:23 +02:00
syscall.h
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
testing.h
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
util_test.cc
Move utility code into sandboxed_api/util
2021-01-13 09:25:52 -08:00
util.cc
Add optional VLOG(1) for additional process info on Syscall Violation.
2021-04-16 12:43:08 -07:00
util.h
Add optional VLOG(1) for additional process info on Syscall Violation.
2021-04-16 12:43:08 -07:00
violation.proto
Add support for ARM32 (hard float target)
2020-12-16 09:18:25 -08:00

README.md

Sandbox2

Sandbox2 is a C++ security sandbox for Linux which can be used to run untrusted programs or portions of programs in confined environments. The idea is that the runtime environment is so restricted that security bugs such as buffer overflows in the protected region cause no harm.

Documentation

Detailed developer documentation is available on the Google Developers site for Sandboxed API under Sandbox2.

There is also a Getting Started guide for Sandbox2.