Age | Commit message (Collapse) | Author |
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Updates #235
PiperOrigin-RevId: 271475319
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PiperOrigin-RevId: 271235134
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This removes the F_DUPFD_CLOEXEC support for the gofer, previously
required when depending on the STL net package.
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Filter installation has been streamlined and functions renamed.
Documentation has been fixed to be standards compliant, and missing
documentation added. gofmt has also been applied to modified files.
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This commit allows the use of the `--fsgofer-host-uds-allowed` flag to
enable mounting sockets and add the appropriate seccomp filters.
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PiperOrigin-RevId: 268845090
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This commit further restricts the seccomp filters required for Gofer
access ot Unix Domain Sockets (UDS).
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This commit adds support for detecting the socket file type, connecting
to a Unix Domain Socket, and providing bidirectional communication
(without file descriptor transfer support).
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PiperOrigin-RevId: 265478578
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PiperOrigin-RevId: 263189654
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syscall.POLL is not supported on arm64, using syscall.PPOLL
to support both the x86 and arm64. refs #63
Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I2c81a063d3ec4e7e6b38fe62f17a0924977f505e
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/543 from xiaobo55x:master ba598263fd3748d1addd48e4194080aa12085164
PiperOrigin-RevId: 260752049
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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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When we reopen file by path, we can't be sure that
we will open exactly the same file. The file can be
deleted and another one with the same name can be
created.
PiperOrigin-RevId: 254898594
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This can be merged after:
https://github.com/google/gvisor-website/pull/77
or
https://github.com/google/gvisor-website/pull/78
PiperOrigin-RevId: 253132620
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This more directly matches what Linux does with unsupported
nodes.
PiperOrigin-RevId: 248780425
Change-Id: I17f3dd0b244f6dc4eb00e2e42344851b8367fbec
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Closes #225
PiperOrigin-RevId: 247508791
Change-Id: I04f47cf2770b30043e5a272aba4ba6e11d0476cc
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Fixes #219
PiperOrigin-RevId: 246568639
Change-Id: Ic7afd15dde922638d77f6429c508d1cbe2e4288a
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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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The caller must call Readdir() at least twice to detect
EOF. The old code was always restarting the directory
search and then skipping elements already seen, effectively
doubling the cost to read a directory. The code now
remembers the last offset and doesn't reposition the cursor
if next request comes at the same offset.
PiperOrigin-RevId: 244957816
Change-Id: If21a8dc68b76614adbcf4301439adfda40f2643f
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os.NewFile() accounts for 38% of CPU time in localFile.Walk().
This change switchs to use fd.FD which is much cheaper to create.
Now, fd.New() in localFile.Walk() accounts for only 4%.
PiperOrigin-RevId: 244944983
Change-Id: Ic892df96cf2633e78ad379227a213cb93ee0ca46
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PiperOrigin-RevId: 241434161
Change-Id: I9ec734e50cef5b39203e8bf37de2d91d24943f1e
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'ls' will hang if there is any FIFO in this path. So
return EPERM if unsupported file occurs and add NONBLOCK flag
when opening file to avoid blocking on FIFO read.
Signed-off-by: Liu Hua <sdu.liu@huawei.com>
Change-Id: I8b9a2a48322118d8ad531dd226395438123eb047
PiperOrigin-RevId: 241406726
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PiperOrigin-RevId: 240657604
Change-Id: Ida15dee83337867c560427eae0b4b9ce1051dbb8
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This reduces the number of FDs used for writable files.
#149
PiperOrigin-RevId: 240502097
Change-Id: Ib44489f65bce23dd1a995f620d69e65dce003f7c
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Nothing reads them and they can simply get stale.
Generated with:
$ sed -i "s/licenses(\(.*\)).*/licenses(\1)/" **/BUILD
PiperOrigin-RevId: 231818945
Change-Id: Ibc3f9838546b7e94f13f217060d31f4ada9d4bf0
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File/dir/symlink creation is multi-step and may leave state behind in
case of failure in one of the steps. Added best effort attempt to
clean up.
PiperOrigin-RevId: 228286612
Change-Id: Ib03c27cd3d3e4f44d0352edc6ee212a53412d7f1
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RET_KILL_THREAD doesn't work well for Go because it will
kill only the offending thread and leave the process hanging.
RET_TRAP can be masked out and it's not guaranteed to kill
the process. RET_KILL_PROCESS is available since 4.14.
For older kernel, continue to use RET_TRAP as this is the
best option (likely to kill process, easy to debug).
PiperOrigin-RevId: 222357867
Change-Id: Icc1d7d731274b16c2125b7a1ba4f7883fbdb2cbd
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Otherwise the gofer's attach point may be different from sandbox when there
symlinks in the path.
PiperOrigin-RevId: 219730492
Change-Id: Ia9c4c2d16228c6a1a9e790e0cb673fd881003fe1
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With recent changes to 9P server, path walks are now safe inside
open, create, rename and setattr calls. To simplify the code, remove
the lazyopen=false mode that was used for bind mounts, and converge
all mounts to using lazy open.
PiperOrigin-RevId: 219508628
Change-Id: I073e7e1e2e9a9972d150eaf4cb29e553997a9b76
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This change also adds extensive testing to the p9 package via mocks. The sanity
checks and type checks are moved from the gofer into the core package, where
they can be more easily validated.
PiperOrigin-RevId: 218296768
Change-Id: I4fc3c326e7bf1e0e140a454cbacbcc6fd617ab55
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PiperOrigin-RevId: 217951017
Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
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PiperOrigin-RevId: 214040901
Change-Id: I74d79497a053da3624921ad2b7c5193ca4a87942
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PiperOrigin-RevId: 212058684
Change-Id: I319709b9ffcfccb3231bac98df345d2a20eca24b
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PiperOrigin-RevId: 211686037
Change-Id: I0e776ca760b65ba100e495f471b6e811dbd6590a
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PiperOrigin-RevId: 211011542
Change-Id: Ib5a83a00f8eb6401603c6fb5b59afc93bac52558
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Previously, we were only using the host inode id as the QID path. But the host
filesystem can have multiple devices with conflicting inode ids. This resulted
in duplicate inode ids in the sentry.
This CL generates a unique QID for each <host inode, host device> pair.
PiperOrigin-RevId: 210424813
Change-Id: I16d106f61c7c8f910c0da4ceec562a010ffca2fb
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Now each container gets its own dedicated gofer that is chroot'd to the
rootfs path. This is done to add an extra layer of security in case the
gofer gets compromised.
PiperOrigin-RevId: 210396476
Change-Id: Iba21360a59dfe90875d61000db103f8609157ca0
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