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2021-06-14Remove debug lines from exec.ccZach Koopmans
PiperOrigin-RevId: 379298590
2021-06-11Fix //test/syscalls:exec_test_nativeZach Koopmans
Later kernels add empty arguments to argv, throwing off return values for the exec_basic_workload.cc binary. This is result of a bug introduced by ccbb18b67323b "exec/binfmt_script: Don't modify bprm->buf and then return - ENOEXEC". Before this change, an empty interpreter string was reported if the first non-space/non-tab character after "#!" was '\0' (end of file, previously- overwritten trailing space or tab, or previously-overwritten first newline). After this change, an empty interpreter string is reported if all characters after "#!" are spaces or tabs, or the first non-space non-tab character is at i_end, which is the position of the first newline after "#!". However, if there is no newline after "#!" (as in ExecTest.InterpreterScriptNoPath), then i_end = buf_end (= bprm->buf + sizeof(bprm->buf) - 1, the last possible byte in the buffer) and neither condition holds. Change white space for script inputs to take into account the above bug. Co-authored-by: Andrei Vagin <avagin@gmail.com> PiperOrigin-RevId: 378997171
2021-06-11Temorary skip test cases that fail on LinuxAndrei Vagin
PiperOrigin-RevId: 378974239
2020-07-07Deflake exec test.Jamie Liu
- Only use MAXSYMLINKS/2+1 symlinks for each of the interpreter and script paths in SymlinkLimitRefreshedForInterpreter to tolerate cases where the original paths (/tmp, /bin, or /bin/echo) themselves contain symlinks. - Ensure that UnshareFiles performs execve immediately after clone(CLONE_VFORK) (no heap allocation for ExecveArray/RunfilesPath). - Use lstat() rather than stat() for the existence check in fs_util's Exists; the latter will fail if the symlink target does not exist, even if the symlink does. PiperOrigin-RevId: 320110156
2020-06-05Unshare files on execAndrei Vagin
The current task can share its fdtable with a few other tasks, but after exec, this should be a completely separate process. PiperOrigin-RevId: 314999565
2020-04-03Add missing newlineTamir Duberstein
PiperOrigin-RevId: 304659346
2020-02-19Add basic microbenchmarks.Adin Scannell
PiperOrigin-RevId: 296104390
2020-01-21Change to standard types.Adin Scannell
PiperOrigin-RevId: 290846481
2020-01-21Merge pull request #1492 from majek:err_typo_in_netstack_testsgVisor bot
PiperOrigin-RevId: 290840370
2019-12-10Re-enable execveat test that was causing files in /bin to be deleted.Dean Deng
Test now no longer deletes files incorrectly, due to a fix in fs utils used by TempPath (github.com/google/gvisor/pull/1368). Fixes #1366 PiperOrigin-RevId: 284814605
2019-12-10Disable execveat test that is causing files in /bin to be deleted.Dean Deng
Disable until gvisor.dev/issue/1366 is resolved. Updates #1366 PiperOrigin-RevId: 284786895
2019-12-03Add RunfilesPath to test_utilMichael Pratt
A few tests have their own ad-hoc implementations. Add a single common one. PiperOrigin-RevId: 283601666
2019-10-29Update symlink traversal limit when resolving interpreter path.Dean Deng
When execveat is called on an interpreter script, the symlink count for resolving the script path should be separate from the count for resolving the the corresponding interpreter. An ELOOP error should not occur if we do not hit the symlink limit along any individual path, even if the total number of symlinks encountered exceeds the limit. Closes #574 PiperOrigin-RevId: 277358474
2019-10-29Disallow execveat on interpreter scripts with fd opened with O_CLOEXEC.Dean Deng
When an interpreter script is opened with O_CLOEXEC and the resulting fd is passed into execveat, an ENOENT error should occur (the script would otherwise be inaccessible to the interpreter). This matches the actual behavior of Linux's execveat. PiperOrigin-RevId: 277306680
2019-10-24Handle AT_SYMLINK_NOFOLLOW flag for execveat.Dean Deng
PiperOrigin-RevId: 276441249
2019-10-23Handle AT_EMPTY_PATH flag in execveat.Dean Deng
PiperOrigin-RevId: 276419967
2019-10-21Add basic implementation of execveat syscall and associated tests.Dean Deng
Allow file descriptors of directories as well as AT_FDCWD. PiperOrigin-RevId: 275929668
2019-10-16Remove death from exec test namesMichael Pratt
These aren't actually death tests in the GUnit sense. i.e., they don't call EXPECT_EXIT or EXPECT_DEATH. PiperOrigin-RevId: 275099957
2019-06-28Fix suggestions from clang.Nicolas Lacasse
PiperOrigin-RevId: 255679603
2019-04-29Change copyright notice to "The gVisor Authors"Michael Pratt
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
2019-04-26Remove syscall tests' dependency on glogTamir Duberstein
PiperOrigin-RevId: 245469859 Change-Id: I0610e477cc3a884275852e83028ecfb501f2c039
2019-03-19netstack: reduce MSS from SYN to account tcp optionsAndrei Vagin
See: https://tools.ietf.org/html/rfc6691#section-2 PiperOrigin-RevId: 239305632 Change-Id: Ie8eb912a43332e6490045dc95570709c5b81855e
2019-03-08Fix tests which fail in kokoroAndrei Vagin
* open_create_test_runsc_ptrace_shared doesn't expect the write access to / * exec_test_runsc_ptrace_shared could not find /usr/share/zoneinfo/ * clock_gettime_test_runsc_ptrace_shared didn't expect that a thread cpu time can be zero. * affinity_test_runsc_ptrace_shared expected minimum 3 cpus PiperOrigin-RevId: 237509429 Change-Id: I477937e5d2cdf3f8720836bfa972abd35d8220a3
2018-12-10Open source system call tests.Brian Geffon
PiperOrigin-RevId: 224886231 Change-Id: I0fccb4d994601739d8b16b1d4e6b31f40297fb22
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