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10d44614fd
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730 Commits

Author SHA1 Message Date
Wiktor Garbacz
10d44614fd Partial support for sandbox2::Notify in UnotifyMonitor 
PiperOrigin-RevId: 515562555
Change-Id: Ie73c34bc7e35942b307c458cfef80510e0b734c3
 2023-03-10 00:59:37 -08:00
Wiktor Garbacz
a31584ff49 Add explicit cast to fix build error 
PiperOrigin-RevId: 515263097
Change-Id: Ib5b6c28587be889b5e2ef8d013fa57cbb0d8ffd3
 2023-03-09 01:03:36 -08:00
Wiktor Garbacz
e031c11bdc Update naming and lambda capture for stack size 
PiperOrigin-RevId: 515254988
Change-Id: I394dc039bcfcbd2ccd7c705a91974f4183b28c39
 2023-03-09 00:14:39 -08:00
Wiktor Garbacz
0d3d5d4bcb Seccomp_unotify based monitor 
Unotify based monitor should bring big performance wins
if the sandboxee heavily uses threading or signals.
Some of the features are not supported in that mode:
- execveat is always allowed instead of just the initial one
- stack traces are not collected on normal exit or if the process is terminated by signal

PiperOrigin-RevId: 515040101
Change-Id: Ia5574d34b4ff7e91e3601edb8c9cb913e011fbf6
 2023-03-08 08:09:34 -08:00
Sandboxed API Team
80cc894c39 Allow sched_getaffinity with sanitizers 
PiperOrigin-RevId: 515024410
Change-Id: I7c48d701b0c3ecab41c3363f8cb46a1c8fa6d97e
 2023-03-08 06:51:19 -08:00
Wiktor Garbacz
e3b2d232b4 Add test for bpf disassembler 
Also always handle the new return values.

PiperOrigin-RevId: 514698931
Change-Id: Ib4ce06e4f17c438271a0452053d3b0bc368e9970
 2023-03-07 05:04:09 -08:00
Wiktor Garbacz
e46a526865 Add explicit casts to avoid build failures 
PiperOrigin-RevId: 514698583
Change-Id: I0ebf2c14a74330ead3a362a48d1776060ea70fbe
 2023-03-07 05:02:45 -08:00
Wiktor Garbacz
a8db8bfcf7 PTHREAD_STACK_MIN is not always a constexpr 
PiperOrigin-RevId: 514695823
Change-Id: Iecf16f0bd563d85f80b0697d14293ff2d3133aef
 2023-03-07 04:47:53 -08:00
Wiktor Garbacz
9f657e6a62 Consistently exclude examples from coverage runs 
PiperOrigin-RevId: 514443652
Change-Id: Ia020371928e94d8b9bd98a9318c5d884f96c9f86
 2023-03-06 10:03:12 -08:00
Christian Blichmann
17553b2206 syscall_trap: Add missing includes use C++ ones 
PiperOrigin-RevId: 514385399
Change-Id: Iceca365c862ce7ee03a61153eb1da2a9571a9719
 2023-03-06 07:11:24 -08:00
Wiktor Garbacz
526401166e Migrate namespaces related tests out of policybuilder_test 
PiperOrigin-RevId: 514325688
Change-Id: I9c581d14da3ac9fe5c3c0b43e156d8ad8d90c73f
 2023-03-06 07:08:49 -08:00
Wiktor Garbacz
64b52ff3b5 Fix stack_trace_test for ARM64 
When symbolize.cc is built with unwind tables function from the lib calling into symbolize.cc might be duplicated in stack trace (libunwind fallback to LR)

PiperOrigin-RevId: 514324815
Change-Id: I76ee4ccf5aaf388924714284d9896fa367f5f752
 2023-03-06 07:07:55 -08:00
Wiktor Garbacz
550b26587f Implement DangerDefaultAllowAll using DefaultAction(AllowAllSyscalls()) 
PiperOrigin-RevId: 513861597
Change-Id: I6e4038648a005bbe57ca33a4c0466f5af2184da8
 2023-03-03 10:26:32 -08:00
Wiktor Garbacz
e09c2bc215 Run more tests with coverage and sanitizers contd 
PiperOrigin-RevId: 513815467
Change-Id: I31d0df2c69b20eb126aaa8dde7f45fa7c0e1e6a8
 2023-03-03 06:51:06 -08:00
Wiktor Garbacz
6827dc0059 Remove superfluous set_rlimit_as(RLIM64_INFINITY) 
Address space limit is set to infinite by default.

PiperOrigin-RevId: 513755637
Change-Id: I42e79b21bc9b0f4b52e461994fef2ed104752957
 2023-03-03 01:14:31 -08:00
Wiktor Garbacz
cd945565f5 Run more tests with coverage and sanitizers 
Running with a permissive test policy should not interfere with sanitizers
or coverage.
Most tests should run with such a permissive policy.
The exception are tests which actually tests policy enforcement.

PiperOrigin-RevId: 513548936
Change-Id: I9a4c2cc8074997cff08cc22d15f4736219ce4d63
 2023-03-02 08:46:07 -08:00
Wiktor Garbacz
a613dda7f2 Test stack unwinding more thoroughly 
Check unwinding recursive calls.
Verify we can unwind in absence of unwind tables.

PiperOrigin-RevId: 513506498
Change-Id: Ib87240b7481dae3a4513c944e17a7924a54926e9
 2023-03-02 05:09:49 -08:00
Wiktor Garbacz
0033c4563f Remove unused UnwindResult.ip, reuse RunLibUnwindAndSymbolizer 
PiperOrigin-RevId: 513482530
Change-Id: I50b24619af77a245088d489052f41f370a4d720b
 2023-03-02 02:40:15 -08:00
Wiktor Garbacz
d74dac096a Rework stack_trace_test 
PiperOrigin-RevId: 513467290
Change-Id: Iab630412052fa5e7333514f3864ebdfb7f10e1ef
 2023-03-02 01:25:38 -08:00
Wiktor Garbacz
5a8a25e9ac Change the default action instead of appending ALLOW 
Also create a visibility restricted version of the function.

PiperOrigin-RevId: 513209752
Change-Id: I031fe62d5ccd81995536479b9af890ad111e336c
 2023-03-01 05:36:24 -08:00
Wiktor Garbacz
fbfbd13adf Add frame pointer unwinding fallback 
PiperOrigin-RevId: 513193320
Change-Id: I0ade55e0d1fae6d33794ccd064766a18f0c86cd6
 2023-03-01 03:55:15 -08:00
Juan Vazquez
e11109c9ee Internal change 
PiperOrigin-RevId: 512922245
Change-Id: Ibc6d769f2f6b15971b95878c8fdb8d4664fbf2df
 2023-02-28 07:01:07 -08:00
Juan Vazquez
6aa97f5394 Internal changes 
PiperOrigin-RevId: 512905076
Change-Id: I780e8d6bfcfc94da5e8744146e6c1de153c329f9
 2023-02-28 05:34:07 -08:00
Juan Vazquez
bd14f6818d Add field to track policy source location 
PiperOrigin-RevId: 512070278
Change-Id: I959a57e296d9b999c4ee3086bc814d7d55484722
 2023-02-24 07:55:23 -08:00
Wiktor Garbacz
e1246332d1 Rename and move CreateDirRecursive 
PiperOrigin-RevId: 510186053
Change-Id: I0e68cc8fff44780ab98f1d57f829ff900790eed5
 2023-02-16 10:44:01 -08:00
Wiktor Garbacz
6db17e7ab3 Use namespaced policy in most tests 
Drive-by some test cleanups.

PiperOrigin-RevId: 510134967
Change-Id: I40328a644690865c5cc0a0eb265222ebf7ff83e0
 2023-02-16 07:12:46 -08:00
Wiktor Garbacz
71692bb50b Decouple sandboxed stack tracing 
This allows to split monitor & stack_trace related targets.
Also move stack traces related functionality into MonitorBase.

PiperOrigin-RevId: 510112916
Change-Id: I60eabf9c9b3204dc369713edd8ae05fded306875
 2023-02-16 06:07:15 -08:00
Wiktor Garbacz
d2dbbbae76 Remove redundant tests 
UID/GID is checked in namespace test and open fds in santizier test

PiperOrigin-RevId: 510084559
Change-Id: I1aac4d30d44aa2390447f24d228afbb1c3b04e2b
 2023-02-16 02:28:52 -08:00
Wiktor Garbacz
3f53e81d0b Remove unused dependency 
PiperOrigin-RevId: 509890467
Change-Id: I0189fca5efa93a9e67f6f07eac44793cd17dcfc3
 2023-02-15 11:35:14 -08:00
Wiktor Garbacz
e4c0d91e69 Remove leftover debug log 
PiperOrigin-RevId: 509473001
Change-Id: I37e1ca609489ed9e2f3303efda3d955ad8408237
 2023-02-14 02:51:21 -08:00
Wiktor Garbacz
a5d12903dd Extract SandboxeeProcess and move it down the call chain 
PiperOrigin-RevId: 507718207
Change-Id: Ia1f6fc2f09abbde5311f8dc0f596aa605989140d
 2023-02-07 02:22:45 -08:00
Wiktor Garbacz
f289855867 Update IfThenChange after monitor split 
PiperOrigin-RevId: 506591092
Change-Id: Idf3c0d00e88c622a565fe056b2b12fca27c4b819
 2023-02-02 05:17:03 -08:00
Wiktor Garbacz
34b2f6bc90 Remove AllowUnsafeKeepCapabilities() 
PiperOrigin-RevId: 506586347
Change-Id: I859a1f695ffbcf3b982a26df425c6b4e03c62da1
 2023-02-02 04:47:02 -08:00
Wiktor Garbacz
8f24f2a4f0 Split PtraceMonitor into separate file 
PiperOrigin-RevId: 505660957
Change-Id: I6b8fcbb86c9fef294b6d19e2d1ec7120415f843b
 2023-01-30 05:09:20 -08:00
Wiktor Garbacz
97d67019d2 Split out policybuilder target 
PiperOrigin-RevId: 505053801
Change-Id: Ic0ea4aa2334394e310af6d3a11f961bd4866f9dc
 2023-01-27 01:24:51 -08:00
Wiktor Garbacz
4450c5513f Bazel: Do not expose regs.h 
PiperOrigin-RevId: 505047592
Change-Id: I207cf46c3f75d0a24cf753888e0cdba53d4193b0
 2023-01-27 00:43:38 -08:00
Wiktor Garbacz
f636cd86d6 Split PtraceMonitor out of Monitor 
This is a preparatory step to introduce a Sandbox2 mode that does not use ptrace.

PiperOrigin-RevId: 503919613
Change-Id: I446adecc66e697c592ad938627fbfdbea12516e1
 2023-01-23 01:42:28 -08:00
Sandboxed API Team
93ef7eb380 Explicitly close the output stream. 
PiperOrigin-RevId: 503904221
Change-Id: Iee1899d80190a314c9c83f0a69e5fac76494cd92
 2023-01-23 00:06:57 -08:00
Sandboxed API Team
8c107936da Internal BUILD changes 
PiperOrigin-RevId: 503417314
Change-Id: Ib368f5600ef39d2ee37fc8c71108d6d11f109328
 2023-01-20 05:14:47 -08:00
Sandboxed API Team
adb90a14a0 Internal BUILD changes 
PiperOrigin-RevId: 503412719
Change-Id: Idecf094c8c7c8956a9f000204c90ed83d6df599d
 2023-01-20 04:43:10 -08:00
Wiktor Garbacz
8bf9868ec3 Protobuf doesn't directly support heterogeneous lookup with absl::string_view 
If the platform does not have `std::string_view` (i.e. `absl::string_view` is not an alias of `std::string_view`) the lookup will cause build failure.

PiperOrigin-RevId: 503159858
Change-Id: Ide8229ae0219d1cb6f3b36aba26da8d53183bc4b
 2023-01-19 07:32:03 -08:00
Wiktor Garbacz
2f64d3d925 stack_trace: pass fd to sandboxee's memory instead of using process_vm_readv 
Libunwind sandbox no longer needs to join sandboxee's userns.
This cleans up a lot of special handling for the libunwind sandbox.

PiperOrigin-RevId: 503140778
Change-Id: I020ea3adda05ae6ff74137b668a5fa7509c138f8
 2023-01-19 05:44:50 -08:00
Wiktor Garbacz
f87b6feb18 stack_trace: do not add common libraries when not a custom fork-server 
Avoids duplicate entries warnings and tightens the namespace.
Drive-by: modernize the policy.
PiperOrigin-RevId: 503108939
Change-Id: If34d23dd83ca39682799dfb36bd0b9b9ceb19fdc
 2023-01-19 02:47:49 -08:00
Sandboxed API Team
bc6937ac82 Add logging of stack traces of all threads that were terminated by a signal or 
when the sandboxee did not exit normally.
Disabled by default, enabled with a flag.

PiperOrigin-RevId: 502807175
Change-Id: Icb5236cbfac0168a2d855c68967f7a1e8bd13fe3
 2023-01-18 01:45:01 -08:00
Wiktor Garbacz
58c3f80d57 Allow MADV_HUGEPAGE used by tcmalloc 
PiperOrigin-RevId: 501815420
Change-Id: I22d6408e4e6ca375823b7b9448547cc082fe5421
 2023-01-13 04:41:22 -08:00
Wiktor Garbacz
2ae5370cfb Full syscall info in Result::ToString 
PiperOrigin-RevId: 501522999
Change-Id: I90c63984c053a5e7deaf4b7619e70c360cc892bb
 2023-01-12 03:57:44 -08:00
Dmitri Gribenko
858c407521 Replace llvm::makeArrayRef with ArrayRef constructors. 
LLVM upstream is about to deprecate and remove llvm::makeArrayRef.

PiperOrigin-RevId: 501106516
Change-Id: Ice610c7e0190dc8608339de1b88b7a05e7771871
 2023-01-10 15:14:03 -08:00
Sandboxed API Team
f086c39f42 Update clients of PolicyBuilder to support architectures other than x86_64. 
PiperOrigin-RevId: 500181306
Change-Id: Ibf3e5e3ac6214394f2d9ab10cf30de6d8396988d
 2023-01-06 14:31:59 -08:00
Sandboxed API Team
1871b173c4 Add __NR_faccessat2 to the list of syscalls allowed by AllowAccess(). 
PiperOrigin-RevId: 500105471
Change-Id: Ic43c608a511617ba9ca8c2cba440cd709ae80a19
 2023-01-06 00:16:46 -08:00
Sandboxed API Team
756176f206 On new process, check for the clone3 syscall. 
PiperOrigin-RevId: 499918752
Change-Id: I7279e76593976c224a15be901834bf6225aebe85
 2023-01-05 10:02:09 -08:00