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Author SHA1 Message Date
Wiktor Garbacz
5a2bdd436d Fix poll in unotify monitor 
Fixes incorrect timeout calculation and increases the wakeup interval.
Also makes poll behave correctly in presence of signals.

PiperOrigin-RevId: 516514260
Change-Id: I035701e1bb351f9ad26157b59b13b4f300cc229a
 2023-03-14 07:04:18 -07:00
Wiktor Garbacz
cb63dfead5 Add tests for util.cc 
PiperOrigin-RevId: 516439597
Change-Id: I2ac88b6188738e47f0e0bdb04382a50aa5aa9366
 2023-03-14 00:04:14 -07:00
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
6a79282895 contrib/lodepng: Add missing dependencies 
PiperOrigin-RevId: 515305267
Change-Id: I009925b74c109f282f18e97d2c33e9aa023952a5
 2023-03-09 05:10:55 -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
dfe0b9aa6d Remove leftover DangerDefaultAllowAll 
PiperOrigin-RevId: 513466766
Change-Id: I02b237c6900962c04ec41be9cbba9b9e6a8242a6
 2023-03-02 01:22:36 -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