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PiperOrigin-RevId: 319283715
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Bring udp_socket_test into complianc by:
- Eliminating IsRunningOnGvisor() invocations.
- Wrapping sockets in RAII FileDescriptor objects.
- Creating a Bind() method so that the first bind happens on port 0.
PiperOrigin-RevId: 318909396
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Also make some fixes to vfs1's F_SETOWN. The fcntl test now entirely passes
on vfs2.
Fixes #2920.
PiperOrigin-RevId: 318669529
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IPv6 raw sockets never include the IPv6 header.
PiperOrigin-RevId: 318582989
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Because there is no inode structure stored in the sandbox, inotify watches
must be held on the dentry. This would be an issue in the presence of hard
links, where multiple dentries would need to share the same set of watches,
but in VFS2, we do not support the internal creation of hard links on gofer
fs. As a result, we make the assumption that every dentry corresponds to a
unique inode.
Furthermore, dentries can be cached and then evicted, even if the underlying
file has not be deleted. We must prevent this from occurring if there are any
watches that would be lost. Note that if the dentry was deleted or invalidated
(d.vfsd.IsDead()), we should still destroy it along with its watches.
Additionally, when a dentry’s last watch is removed, we cache it if it also
has zero references. This way, the dentry can eventually be evicted from
memory if it is no longer needed. This is accomplished with a new dentry
method, OnZeroWatches(), which is called by Inotify.RmWatch and
Inotify.Release. Note that it must be called after all inotify locks are
released to avoid violating lock order. Stress tests are added to make sure
that inotify operations don't deadlock with gofer.OnZeroWatches.
Updates #1479.
PiperOrigin-RevId: 317958034
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- Change FileDescriptionImpl Lock/UnlockPOSIX signature to
take {start,length,whence}, so the correct offset can be
calculated in the implementations.
- Create PosixLocker interface to make it possible to share
the same locking code from different implementations.
Closes #1480
PiperOrigin-RevId: 316910286
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Also fix test bugs uncovered now that they aren't silently skipped on
VFS2.
Updates #1487.
PiperOrigin-RevId: 316415807
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PiperOrigin-RevId: 315979564
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LockFD is the generic implementation that can be embedded in
FileDescriptionImpl implementations. Unique lock ID is
maintained in vfs.FileDescription and is created on demand.
Updates #1480
PiperOrigin-RevId: 315604825
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For TCP sockets gVisor incorrectly returns EAGAIN when no ephemeral ports are
available to bind during a connect. Linux returns EADDRNOTAVAIL. This change
fixes gVisor to return the correct code and adds a test for the same.
This change also fixes a minor bug for ping sockets where connect() would fail
with EINVAL unless the socket was bound first.
Also added tests for testing UDP Port exhaustion and Ping socket port
exhaustion.
PiperOrigin-RevId: 314988525
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Support in other filesystem impls is still needed. Unlike in Linux and vfs1, we
need to plumb inotify down to each filesystem implementation in order to keep
track of links/inode structures properly.
IN_EXCL_UNLINK still needs to be implemented, as well as a few inotify hooks
that are not present in either vfs1 or vfs2. Those will be addressed in
subsequent changes.
Updates #1479.
PiperOrigin-RevId: 313781995
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Some functions were added for Arm64 platform:
a, get_fp/set_fp
b, inline_tgkill
Test step:
bazel test //test/syscalls:fpsig_nested_test_runsc_ptrace
Signed-off-by: Bin Lu <bin.lu@arm.com>
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PiperOrigin-RevId: 311573552
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Closes #1197
PiperOrigin-RevId: 311438223
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PiperOrigin-RevId: 310941717
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Some functions were added for Arm64 platform:
a, get_fp/set_fp
b, inline_tgkill
Test step:
bazel test //test/syscalls:fpsig_fork_test_runsc_ptrace
Signed-off-by: Bin Lu <bin.lu@arm.com>
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Enforce write permission checks in BoundEndpointAt, which corresponds to the
permission checks in Linux (net/unix/af_unix.c:unix_find_other).
Also, create bound socket files with the correct permissions in VFS2.
Fixes #2324.
PiperOrigin-RevId: 308949084
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PiperOrigin-RevId: 306432289
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PiperOrigin-RevId: 305749697
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The Linux does the same.
Reported-by: syzbot+e81716e8956e92e9d56b@syzkaller.appspotmail.com
PiperOrigin-RevId: 305625439
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Signed-off-by: Bin Lu <bin.lu@arm.com>
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Fixes #2058
Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I05750d238a6425d3a47fae15720901f4dd924a32
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PiperOrigin-RevId: 300626011
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Adds an oom_score_adj and oom_score proc file stub. oom_score_adj accepts
writes of values -1000 to 1000 and persists the value with the task. New tasks
inherit the parent's oom_score_adj.
oom_score is a read-only stub that always returns the value '0'.
Issue #202
PiperOrigin-RevId: 299245355
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PiperOrigin-RevId: 299151227
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PiperOrigin-RevId: 298667595
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The error was introduced in the merge of PR #1471.
Some codes are missing when adding bazel select_arch
command to the test/syscall/linux/BUILD file.
Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I8cae3f4ae78c2e14671f3ac6e7361dc2806d9305
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/dev/net/tun does not currently work with hostinet. This has caused some
program starts failing because it thinks the feature exists.
PiperOrigin-RevId: 297876196
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PiperOrigin-RevId: 296526279
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TCP/IP will work with netstack networking. hostinet doesn't work, and sockets
will have the same behavior as it is now.
Before the userspace is able to create device, the default loopback device can
be used to test.
/proc/net and /sys/net will still be connected to the root network stack; this
is the same behavior now.
Issue #1833
PiperOrigin-RevId: 296309389
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So that they can be included by Fuchsia's syscall tests
PiperOrigin-RevId: 296030383
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So that they can be included by Fuchsia's syscall tests
PiperOrigin-RevId: 294654890
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Note that these are only implemented for tmpfs, and other impls will still
return EOPNOTSUPP.
PiperOrigin-RevId: 293899385
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- Move shared helpers V4Multicast and V4Broadcast to socket_test_util
- Add unnamed namespace so socket_ipv4_tcp_unbound_external_networking_test.cc
and socket_ipv4_udp_unbound_external_networking_test.cc can be compiled
together
- Add test files to "exports_files" so they can be included by Fuchsia's syscall
test setup
PiperOrigin-RevId: 293880429
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PiperOrigin-RevId: 293271055
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Tests 65k connection attempts on common types of sockets to check for port
leaks.
Also fixes a bug where dual-stack sockets wouldn't properly re-queue
segments received while closing.
PiperOrigin-RevId: 293241166
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So it can be included in fuchsia's syscall tests
PiperOrigin-RevId: 293208306
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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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When sending a RST on shutdown we need to double check the
state after acquiring the work mutex as the endpoint could
have transitioned out of a connected state from the time
we checked it and we acquired the workMutex.
I added two tests but sadly neither reproduce the panic. I am
going to leave the tests in as they are good to have anyway.
PiperOrigin-RevId: 292393800
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PiperOrigin-RevId: 291869423
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PiperOrigin-RevId: 291745021
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Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I277d6c708bbf5c3edd7c3568941cfd01dc122e17
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Fixes #1490
Fixes #1495
PiperOrigin-RevId: 289523250
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This change calls a new Truncate method on the EndpointReader in RecvMsg for
both netlink and unix sockets. This allows readers such as sockets to peek at
the length of data without actually reading it to a buffer.
Fixes #993 #1240
PiperOrigin-RevId: 288800167
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PiperOrigin-RevId: 286249699
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This avoids conflicting definitions of GetSocketPairs() in outer namespace when
multiple such cc files are complied for one binary.
PiperOrigin-RevId: 286243045
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PiperOrigin-RevId: 285968611
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Support for getxattr and setxattr are in subsequent commits.
PiperOrigin-RevId: 285088817
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