Age | Commit message (Collapse) | Author |
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PiperOrigin-RevId: 258996346
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This tweaks the handling code for IP_MULTICAST_IF to ignore the InterfaceAddr
if a NICID is given.
PiperOrigin-RevId: 258982541
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PiperOrigin-RevId: 258859507
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tcpdump creates these.
PiperOrigin-RevId: 258611829
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PiperOrigin-RevId: 258607547
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We were invalidating the wrong overlayEntry in rename and missing invalidation
in rename and remove if lower exists.
PiperOrigin-RevId: 258604685
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PiperOrigin-RevId: 258424489
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C++ does not like vectors of arrays (because arrays are not copy-constructable).
PiperOrigin-RevId: 258270980
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It is now correctly initialized to the top of the signal stack.
Previously it was initialized to the address of 'stack.ss_sp' on
the main thread stack.
PiperOrigin-RevId: 258248363
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iptables also relies on IPPROTO_RAW in a way. It opens such a socket to
manipulate the kernel's tables, but it doesn't actually use any of the
functionality. Blegh.
PiperOrigin-RevId: 257903078
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Change-Id: I8307bfb390a56424aaa651285a218aad277c4aed
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Adds support to set/get the TCP_MAXSEG value but does not
really change the segment sizes emitted by netstack or
alter the MSS advertised by the endpoint. This is currently
being added only to unblock iperf3 on gVisor. Plumbing
this correctly requires a bit more work which will come
in separate CLs.
PiperOrigin-RevId: 257859112
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PiperOrigin-RevId: 257855479
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Actual implementation to follow, but this will satisfy applications that
want it to just exist.
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A userspace process (CPL=3) can access an i/o port if the bit corresponding to
the port is set to 0 in the I/O permission bitmap.
Configure the I/O permission bitmap address beyond the last valid byte in the
TSS so access to all i/o ports is blocked.
Signed-off-by: Liu Hua <sdu.liu@huawei.com>
Change-Id: I3df76980c3735491db768f7210e71703f86bb989
PiperOrigin-RevId: 257336518
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The error set in the loop in createAt was being masked
by other errors declared with ":=". This allowed an
ErrResolveViaReadlink error to escape, which can cause
a sentry panic.
Added test case which repros without the fix.
PiperOrigin-RevId: 257061767
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PiperOrigin-RevId: 256433283
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https://bugzilla.redhat.com/show_bug.cgi?id=1568337
PiperOrigin-RevId: 256276198
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This fixes the case when an app tries to create a file that already exists, and
is a symlink to itself. A test was added.
PiperOrigin-RevId: 256044811
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PiperOrigin-RevId: 255679603
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PiperOrigin-RevId: 255679453
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Get/Set pipe size and ioctl support were missing from
overlayfs. It required moving the pipe.Sizer interface
to fs so that overlay could get access.
Fixes #318
PiperOrigin-RevId: 255511125
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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: 255462850
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The code was wrongly assuming that only read access was
required from the lower overlay when checking for permissions.
This allowed non-writable files to be writable in the overlay.
Fixes #316
PiperOrigin-RevId: 255263686
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If we have a symlink whose target does not exist, creating the symlink (either
via 'creat' or 'open' with O_CREAT flag) should create the target of the
symlink. Previously, gVisor would error with EEXIST in this case
PiperOrigin-RevId: 255232944
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Makes CLOCK_BOOTTIME available with
* clock_gettime
* timerfd_create
* clock_gettime vDSO
CLOCK_BOOTTIME is implemented as an alias to CLOCK_MONOTONIC.
CLOCK_MONOTONIC already keeps track of time across save
and restore. This is the closest possible behavior to Linux
CLOCK_BOOTIME, as there is no concept of suspend/resume.
Updates google/gvisor#218
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For files with O_APPEND, a file write operation gets a file size and uses it as
offset to call an inode write operation. This means that all other operations
which can change a file size should be blocked while the write operation doesn't
complete.
PiperOrigin-RevId: 254873771
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PiperOrigin-RevId: 254854346
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The previous number was for the arm architecture.
Also change the statx tests to force them to run on gVisor, which would have
caught this issue.
PiperOrigin-RevId: 254846831
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Tests run at HEAD (35719d52):
```
$ bazel test $(bazel query 'filter(".*getdents.*", //test/syscalls:all)')
<snip>
//test/syscalls:getdents_test_native PASSED in 0.3s
//test/syscalls:getdents_test_runsc_ptrace PASSED in 4.9s
//test/syscalls:getdents_test_runsc_ptrace_overlay PASSED in 4.7s
//test/syscalls:getdents_test_runsc_ptrace_shared PASSED in 5.2s
//test/syscalls:getdents_test_runsc_kvm FAILED in 4.0s
```
Tests run at ab6774ce~1 (6f933a93):
```
$ bazel test $(bazel query 'filter(".*getdents.*", //test/syscalls:all)')
//test/syscalls:getdents_test_native PASSED in 0.2s
//test/syscalls:getdents_test_runsc_kvm FAILED in 4.2s
/usr/local/google/home/brb/.cache/bazel/_bazel_brb/967240a6aae7d353a221d73f4375e038/execroot/__main__/bazel-out/k8-fastbuild/testlogs/test/syscalls/getdents_test_runsc_kvm/test.log
//test/syscalls:getdents_test_runsc_ptrace FAILED in 5.3s
/usr/local/google/home/brb/.cache/bazel/_bazel_brb/967240a6aae7d353a221d73f4375e038/execroot/__main__/bazel-out/k8-fastbuild/testlogs/test/syscalls/getdents_test_runsc_ptrace/test.log
//test/syscalls:getdents_test_runsc_ptrace_overlay FAILED in 4.9s
/usr/local/google/home/brb/.cache/bazel/_bazel_brb/967240a6aae7d353a221d73f4375e038/execroot/__main__/bazel-out/k8-fastbuild/testlogs/test/syscalls/getdents_test_runsc_ptrace_overlay/test.log
//test/syscalls:getdents_test_runsc_ptrace_shared FAILED in 5.2s
/usr/local/google/home/brb/.cache/bazel/_bazel_brb/967240a6aae7d353a221d73f4375e038/execroot/__main__/bazel-out/k8-fastbuild/testlogs/test/syscalls/getdents_test_runsc_ptrace_shared/test.log
```
(I think all runsc_kvm tests are broken on my machine -- I'll rerun them
if you can point me at the documentation to set it up)
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There will be a deadloop when we use getdents to read /proc/{pid}/task
of an exited process
Like this:
Process A is running
Process B: open /proc/{pid of A}/task
Process A exits
Process B: getdents /proc/{pid of A}/task
Then, process B will fall into deadloop, and return "." and ".."
in loops and never ends.
This patch returns ENOENT when use getdents to read /proc/{pid}/task
if the process is just exited.
Signed-off-by: chris.zn <chris.zn@antfin.com>
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We don't have the plumbing for btime yet, so that field is left off. The
returned mask indicates that btime is absent.
Fixes #343
PiperOrigin-RevId: 254575752
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Today we have the logic split in two places between endpoint Read() and the
worker goroutine which actually sends a zero window. This change makes it so
that when a zero window ACK is sent we set a flag in the endpoint which can be
read by the endpoint to decide if it should notify the worker to send a
nonZeroWindow update.
The worker now does not do the check again but instead sends an ACK and flips
the flag right away.
Similarly today when SO_RECVBUF is set the SetSockOpt call has logic
to decide if a zero window update is required. Rather than do that we move
the logic to the worker goroutine and it can check the zeroWindow flag
and send an update if required.
PiperOrigin-RevId: 254505447
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This helps prevent the blocking call from getting stuck and causing a test
timeout.
PiperOrigin-RevId: 254325926
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Bump up the threshold on number of SIGALRMs received by worker
threads from 50 to 200. Even with the new threshold we still
expect that the majority of SIGALRMs are received by the
thread group leader.
PiperOrigin-RevId: 254289787
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PiperOrigin-RevId: 254253777
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The tag on the binary has no effect. It must be on the test.
PiperOrigin-RevId: 254103480
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Inode ids are only stable across Save/Restore if we have an open FD on the
inode. All tests that compare inode ids must therefor hold an FD open.
PiperOrigin-RevId: 254086603
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As-is, on failure these will infinite loop, resulting in test timeout
instead of failure.
PiperOrigin-RevId: 254074989
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PiperOrigin-RevId: 253997465
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PiperOrigin-RevId: 253890611
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PiperOrigin-RevId: 253864770
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Test was calling Size() inside read and write loops. Size()
makes 2 syscalls to return the pipe size, making the test
do a lot more work than it should.
PiperOrigin-RevId: 253824690
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The deadlock can occur when both ends of a connected Unix socket which has
FIOASYNC enabled on at least one end are closed at the same time. One end
notifies that it is closing, calling (*waiter.Queue).Notify which takes
waiter.Queue.mu (as a read lock) and then calls (*FileAsync).Callback, which
takes FileAsync.mu. The other end tries to unregister for notifications by
calling (*FileAsync).Unregister, which takes FileAsync.mu and calls
(*waiter.Queue).EventUnregister which takes waiter.Queue.mu.
This is fixed by moving the calls to waiter.Waitable.EventRegister and
waiter.Waitable.EventUnregister outside of the protection of any mutex used
in (*FileAsync).Callback.
The new test is related, but does not cover this particular situation.
Also fix a data race on FileAsync.e.Callback. (*FileAsync).Callback checked
FileAsync.e.Callback under the protection of FileAsync.mu, but the waiter
calling (*FileAsync).Callback could not and did not. This is fixed by making
FileAsync.e.Callback immutable before passing it to the waiter for the first
time.
Fixes #346
PiperOrigin-RevId: 253138340
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SO_TYPE was already implemented for everything but netlink sockets.
PiperOrigin-RevId: 253138157
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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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PiperOrigin-RevId: 253096085
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This CL also cleans up the error returned for setting congestion
control which was incorrectly returning EINVAL instead of ENOENT.
PiperOrigin-RevId: 252889093
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