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PiperOrigin-RevId: 381896875
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This creates new user and network namespaces for all tests in
`:socket_inet_loopback_isolated_test_linux`.
PiperOrigin-RevId: 381374120
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if (!thread_group_leader(tracee))
tracee = rcu_dereference(tracee->group_leader);
in security/yama/yama_lsm.c:ptracer_exception_found().
PiperOrigin-RevId: 381074242
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PiperOrigin-RevId: 380967023
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This allows these tests, which can cause flakiness when run in the same network
namespace as the other `socket_inet_loopback` tests, to run as separate tests
in their own environment. It also means that all of the shards of those tests
can be more isolated from each other as well.
PiperOrigin-RevId: 380930198
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Fixes #2726
PiperOrigin-RevId: 380753516
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tcpdump is largely supported. We've also chose not to implement writeable
AF_PACKET sockets, and there's a bug specifically for promiscuous mode (#3333).
Fixes #173.
PiperOrigin-RevId: 380733686
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Also makes the behavior of raw sockets WRT fragmentation clearer, and makes the
ICMPv4 header-length check explicit.
Fixes #3160.
PiperOrigin-RevId: 380033450
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Fixes #3159.
PiperOrigin-RevId: 379814096
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The value can be off by one depending on the kernel we're running.
Tested with --runs_per_test=1000.
PiperOrigin-RevId: 379535390
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PiperOrigin-RevId: 379380041
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PiperOrigin-RevId: 379298590
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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
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PiperOrigin-RevId: 378974239
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Set it to int32 max because gVisor doesn't have a limit.
Fixes #2337
PiperOrigin-RevId: 378722230
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PiperOrigin-RevId: 378607458
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A memory that is allocated with calloc has to be freed.
PiperOrigin-RevId: 378001409
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PiperOrigin-RevId: 377966969
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Updates #5711
Updates #6021
Updates #6022
PiperOrigin-RevId: 377582446
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Previously, the value of global_num_signals_received would persist between
tests. Now, we reset the value to zero when we register a signal handler.
PiperOrigin-RevId: 377308357
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Address a race with non-blocking connect and socket close, causing the
FIN (because of socket close) to not be sent out, even after completing
the handshake.
The race occurs with this sequence:
(1) endpoint Connect starts handshake, sending out SYN
(2) handshake complete() releases endpoint lock, waiting on sleeper.Fetch()
(3) endpoint Close acquires endpoint lock, does not enqueue FIN (as the
endpoint is not yet connected) and asserts notifyClose
(4) SYNACK from peer gets enqueued asserting newSegmentWaker
(5) handshake complete() re-aqcuires lock, first processes newSegmentWaker
event, transitions to ESTABLISHED and proceeds to protocolMainLoop()
(6) protocolMainLoop() exits while processing notifyClose
When the execution follows the above sequence, no FIN is sent to the peer.
This causes the listener side to have a half-open connection sitting in
the accept queue.
Fix this by ensuring that the protocolMainLoop() performs clean shutdown
when the endpoint state is still ESTABLISHED.
This would not be a bug, if during handshake complete(), sleeper.Fetch()
prioritized notificationWaker over newSegmentWaker. In that case, the
handshake would not have completed in (5) above.
Fixes #6067
PiperOrigin-RevId: 376994395
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nanosleep has to count time that a thread spent in the stopped state.
PiperOrigin-RevId: 376258641
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PiperOrigin-RevId: 376001603
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PiperOrigin-RevId: 375823719
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PiperOrigin-RevId: 375780659
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PiperOrigin-RevId: 375749377
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Not all the tests build yet, but many of them do now.
PiperOrigin-RevId: 375209824
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https://github.com/llvm/llvm-project/commit/6c3129549374c0e81e28fd0a21e96f8087b63a78
adds "mustprogress" to loops, which causes empty, side-effect free loops to be
optimized away. These loops are intentionally infinite for purposes of testing,
so add asm statements that prevent them from being removed.
PiperOrigin-RevId: 375188453
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Fixes #5974
Updates #161
PiperOrigin-RevId: 375024740
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Add missing protocol state to TCPINFO struct and update packetimpact.
This re-arranges the TCP state definitions to align with Linux.
Fixes #478
PiperOrigin-RevId: 374996751
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Previously, mount could discover a hierarchy being destroyed
concurrently, which resulted in mount attempting to take a ref on an
already destroyed cgroupfs.
Reported-by: syzbot+062c0a67798a200f23ee@syzkaller.appspotmail.com
PiperOrigin-RevId: 374959054
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PiperOrigin-RevId: 374570219
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https://github.com/llvm/llvm-project/commit/6c3129549374c0e81e28fd0a21e96f8087b63a78 adds "mustprogress" to loops, which causes empty, side-effect free loops to be optimized away. These loops are intentionally infinite for purposes of testing, so add asm statements that prevent them from being removed.
PiperOrigin-RevId: 374546142
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PiperOrigin-RevId: 374517895
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This test suffers from extreme contention on
tcpip/stack.AddressableEndpointState.mu via
AddressableEndpointState.decAddressRef, at least when Go race detection is
enabled.
PiperOrigin-RevId: 374273745
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O_PATH is now implemented in vfs2.
Fixes #2782.
PiperOrigin-RevId: 373861410
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PiperOrigin-RevId: 373854462
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Previously, registration was racy because we were publishing
hierarchies in the registry without fully initializing the underlying
filesystem. This led to concurrent mount(2)s discovering the partially
intialized filesystems and dropping the final refs on them which cause
them to be freed prematurely.
Reported-by: syzbot+13f54e77bdf59f0171f0@syzkaller.appspotmail.com
Reported-by: syzbot+2c7f0a9127ac6a84f17e@syzkaller.appspotmail.com
PiperOrigin-RevId: 373824552
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The test Truncate set ControllingTTY without releasing
it on VFS2. This leads test ReleaseTTYSignals and ReleaseTTY
fail when setting ControllingTTY.
Skip the test on VFS1 and native, as setting Controlling TTY
when open replica only happens on VFS2.
Signed-off-by: Howard Zhang <howard.zhang@arm.com>
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This change implements /proc/cmdline with a basic faux command line
"BOOT_IMAGE=/vmlinuz-[version]-gvisor quiet" so apps that may expect
it do not receive errors.
Also tests for the existence of /proc/cmdline as part of the system
call test suite
PiperOrigin-RevId: 372462070
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PiperOrigin-RevId: 372022596
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PiperOrigin-RevId: 371963265
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PiperOrigin-RevId: 371776583
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In order to resolve path names, fsSymlink.Readlink() may need to reenter
kernfs. Change the code so that kernfs.Inode.Readlink() is called without
locks and document the new contract.
PiperOrigin-RevId: 371770222
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The data written was larger than the write buffer, and nobody was reading the
other end.
PiperOrigin-RevId: 371436084
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PiperOrigin-RevId: 371231148
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PiperOrigin-RevId: 371216407
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Restore capabilities for tests that need to change them.
PiperOrigin-RevId: 371007047
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PiperOrigin-RevId: 370989166
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