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PiperOrigin-RevId: 298667595
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PiperOrigin-RevId: 296104390
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These were out-of-band notes that can help provide additional context
and simplify automated imports.
PiperOrigin-RevId: 293525915
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Fixes: //test/syscalls:32bit_test_runsc_kvm
Ref change: 5d569408ef94c753b7aae9392b5e4ebf7e5ea50d
PiperOrigin-RevId: 292563926
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PiperOrigin-RevId: 292458933
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PiperOrigin-RevId: 292445329
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PiperOrigin-RevId: 292419699
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And Type* over Type *. This is basically a whitespace only change.
gVisor code already prefers left-alignment of pointers and references, but
clang-format formats for consistency with the majority of a file, and some
files leaned the wrong way. This is a one-time pass to make us completely
conforming.
Autogenerated with:
$ find . \( -name "*.cc" -or -name "*.c" -or -name "*.h" \) \
| xargs clang-format -i -style="{BasedOnStyle: Google, \
DerivePointerAlignment: false, PointerAlignment: Left}"
PiperOrigin-RevId: 291972421
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PiperOrigin-RevId: 291869423
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PiperOrigin-RevId: 291844200
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PiperOrigin-RevId: 291745021
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Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: Id9d6ae98305a4057d55d622ea4c3ac2228fea212
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PiperOrigin-RevId: 290846481
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PiperOrigin-RevId: 290840370
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Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I277d6c708bbf5c3edd7c3568941cfd01dc122e17
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There is no syscall_create_module on Arm64.
Signed-off-by: Bin Lu <bin.lu@arm.com>
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IsDirectory() is used in RecursivelyDelete(), which should not follow symlinks.
The only other use (syscalls/linux/rename.cc) is not affected by this change.
Updates #1366.
PiperOrigin-RevId: 284803968
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Fixes #1207
PiperOrigin-RevId: 283914438
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A few tests have their own ad-hoc implementations. Add a single common one.
PiperOrigin-RevId: 283601666
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PiperOrigin-RevId: 281795269
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It was possible to panic the sentry by opening a cache revalidating folder with
O_TRUNC|O_CREAT.
Avoids breaking php tests.
PiperOrigin-RevId: 280533213
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PiperOrigin-RevId: 280264564
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PiperOrigin-RevId: 276419967
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Allow file descriptors of directories as well as AT_FDCWD.
PiperOrigin-RevId: 275929668
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* Use mknod instead of open&close to create an empty file.
* Limit a number of files to (1<<16) instead of 100K.
In this case, a test set is (1, 8, 64, 512, 4K, 32K, 64K) instead of (1, 8, 64,
512, 4K, 32K, 98K). I think it is easier to compare results for 32K and 64K
than 32K and 98K. And results for 98K doesn't give us more information than for
54K.
PiperOrigin-RevId: 275552507
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Linux changed this behavior in 16e72e9b30986ee15f17fbb68189ca842c32af58
(v4.11). Previously, extra pages were always mapped RW. Now, those pages will
be executable if the segment specified PF_X. They still must be writeable.
PiperOrigin-RevId: 272256280
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PiperOrigin-RevId: 271644926
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Adresses a deadlock with the rolled back change:
https://github.com/google/gvisor/commit/b6a5b950d28e0b474fdad160b88bc15314cf9259
Creating a session from an orphaned process group was causing a lock to be
acquired twice by a single goroutine. This behavior is addressed, and a test
(OrphanRegression) has been added to pty.cc.
Implemented the following ioctls:
- TIOCSCTTY - set controlling TTY
- TIOCNOTTY - remove controlling tty, maybe signal some other processes
- TIOCGPGRP - get foreground process group. Also enables tcgetpgrp().
- TIOCSPGRP - set foreground process group. Also enabled tcsetpgrp().
Next steps are to actually turn terminal-generated control characters (e.g. C^c)
into signals to the proper process groups, and to send SIGTTOU and SIGTTIN when
appropriate.
PiperOrigin-RevId: 270088599
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absl flags are more modern and we can easily depend on them directly.
The repo now successfully builds with --incompatible_load_cc_rules_from_bzl.
PiperOrigin-RevId: 269387081
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See https://github.com/bazelbuild/bazel/issues/8743. This will be required in
Bazel 1.0.
Protobuf was updated in
https://github.com/protocolbuffers/protobuf/commit/bf0c69e1302fe9568fbe310cc54b37d20a9d16a3#diff-96239ee297e0a92ac6ff96a6bc434ef0.
GoogleTest was updated in
https://github.com/google/googletest/commit/6fd262ecf787d0dc2a91696fd4bf1d3ee1ebfa14.
gflags has not yet been updated, so the repo still won't build with
--incompatible_load_cc_rules_from_bzl.
Tested with buildifier -warnings=native-cc -lint=warn **/BUILD.
PiperOrigin-RevId: 267638515
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- Most AIO tests call io_setup(nr_events = 128). sizeof(struct io_event)
(128*32 = 4096). However, the actual size of the mapping created by
io_setup() is determined by:
(from fs/aio.c:ioctx_alloc())
/*
* We keep track of the number of available ringbuffer slots, to prevent
* overflow (reqs_available), and we also use percpu counters for this.
*
* So since up to half the slots might be on other cpu's percpu counters
* and unavailable, double nr_events so userspace sees what they
* expected: additionally, we move req_batch slots to/from percpu
* counters at a time, so make sure that isn't 0:
*/
nr_events = max(nr_events, num_possible_cpus() * 4);
nr_events *= 2;
(from fs/aio.c:aio_setup_ring())
/* Compensate for the ring buffer's head/tail overlap entry */
nr_events += 2; /* 1 is required, 2 for good luck */
size = sizeof(struct aio_ring);
size += sizeof(struct io_event) * nr_events;
nr_pages = PFN_UP(size);
When we mremap() only the first page of a multi-page AIO ring buffer
mapping, fs/aio.c:aio_ring_mremap() updates struct kioctx::mmap_base -
but struct kioctx::mmap_size is untouched, so sys_io_destroy() =>
kill_ioctx() vm_unmaps() the mremapped page, plus some number of pages
after it. Just get the actual size of the mapping from /proc/self/maps.
- Delete test case MremapOver; while it is correct that Linux will not
complain if you overwrite the AIO ring buffer with another mapping, it
won't actually work in the sense that AIO events will not be written to
the new mapping, because Linux stores the struct pages of the ring
buffer in struct kioctx::ring_pages and writes to those through kmap()
rather than using userspace addresses.
- Don't munmap() after mremap(MREMAP_FIXED) returns EFAULT; see new
comment in factored-out test case MremapExpansion.
PiperOrigin-RevId: 267482903
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PiperOrigin-RevId: 266491264
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PiperOrigin-RevId: 266229756
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PiperOrigin-RevId: 265535438
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(Don't worry, this is mostly tests.)
Implemented the following ioctls:
- TIOCSCTTY - set controlling TTY
- TIOCNOTTY - remove controlling tty, maybe signal some other processes
- TIOCGPGRP - get foreground process group. Also enables tcgetpgrp().
- TIOCSPGRP - set foreground process group. Also enabled tcsetpgrp().
Next steps are to actually turn terminal-generated control characters (e.g. C^c)
into signals to the proper process groups, and to send SIGTTOU and SIGTTIN when
appropriate.
PiperOrigin-RevId: 261387276
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PiperOrigin-RevId: 257042681
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PiperOrigin-RevId: 257041876
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PiperOrigin-RevId: 255679603
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Addresses obvious typos, in the documentation only.
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/443 from Pixep:fix/documentation-spelling 4d0688164eafaf0b3010e5f4824b35d1e7176d65
PiperOrigin-RevId: 255477779
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PiperOrigin-RevId: 254253777
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Allows socket tests that rely on test_util to compile on Fuchsia.
PiperOrigin-RevId: 249884084
Change-Id: I17617e3f1baaba4c85c689f40db4a42a8de1597e
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PiperOrigin-RevId: 248265524
Change-Id: Ib9082f08d24ba10535079cf89c714fb22a4fdf10
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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
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PiperOrigin-RevId: 245469859
Change-Id: I0610e477cc3a884275852e83028ecfb501f2c039
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PiperOrigin-RevId: 245306581
Change-Id: I44a034310809f8e9e651be8023ff1985561602fc
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PiperOrigin-RevId: 245304611
Change-Id: Ie0e9bfc03d064e41d50157eeb4df22b2635f41e2
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See: https://tools.ietf.org/html/rfc6691#section-2
PiperOrigin-RevId: 239305632
Change-Id: Ie8eb912a43332e6490045dc95570709c5b81855e
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PiperOrigin-RevId: 239026571
Change-Id: Ifd01674855094f3abad497776f418023452033a1
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There was a minor bug whth IsPosixErrorOkAndHoldsMatcher where
it wouldn't display the actual value contained. This fixes that
and adds a few other minor improvements.
PiperOrigin-RevId: 235809065
Change-Id: I487e5072e9569eb06104522963e9a1b34204daaf
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- Change proc to return envp on overwrite of argv with limitations from
upstream.
- Add unit tests
- Change layout of argv/envp on the stack so that end of argv is contiguous with
beginning of envp.
PiperOrigin-RevId: 232506107
Change-Id: I993880499ab2c1220f6dc456a922235c49304dec
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