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PiperOrigin-RevId: 204362791
Change-Id: If85ea7442741e299f0d7cddbc3d6b415e285da81
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PiperOrigin-RevId: 204356873
Change-Id: I5e2f885f58678e693aae1a69e8bf8084a685af28
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PiperOrigin-RevId: 204355026
Change-Id: I1a8229879ea3b58aa861a4eb4456fd7aff99863d
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PiperOrigin-RevId: 204323728
Change-Id: I1ff9aa062ffa12583b2e38ec94c87db7a3711971
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PiperOrigin-RevId: 204196916
Change-Id: If632750fc6368acb835e22cfcee0ae55c8a04d16
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PiperOrigin-RevId: 204188763
Change-Id: I5596ab7abb3ec9e210a7f57b3fc420e836fa43f3
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PiperOrigin-RevId: 204162313
Change-Id: Ib0593dde88ac33e222c12d0dca6733ef1f1035dc
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PiperOrigin-RevId: 204028082
Change-Id: I4251cce10aace43f9b9a80c36204ef66f1b329df
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Otherwise required and optional can be empty or have negative length.
PiperOrigin-RevId: 204007079
Change-Id: I59e472a87a8caac11ffb9a914b8d79bf0cd70995
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PiperOrigin-RevId: 204006237
Change-Id: Ica8402ab54d9dd7d11cc41c6d74aacef51d140b7
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PiperOrigin-RevId: 203997995
Change-Id: I8974fe74f1582bc9b2622f18a4bc4ab47ff5d622
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PiperOrigin-RevId: 203958972
Change-Id: Ia6fe16547539296d48e2c6731edacdd96bd6e93c
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PiperOrigin-RevId: 203883138
Change-Id: I7500c0a70f5d71c3fb37e2477f7fc466fa92fd3e
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PiperOrigin-RevId: 203880278
Change-Id: I66b790a616de59142859cc12db4781b57ea626d3
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PiperOrigin-RevId: 203849534
Change-Id: I4d81513bfd32e0b7fc40c8a4c194eba7abc35a83
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Fixes #27
PiperOrigin-RevId: 203825288
Change-Id: Ie9f3a2b2c1e296b026b024f75c07da1a7e118633
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Multiple whitespace characters are allowed. This fixes Ubuntu's
/usr/sbin/invoke-rc.d, which has trailing whitespace after the
interpreter which we were treating as an arg.
PiperOrigin-RevId: 203802278
Change-Id: I0a6cdb0af4b139cf8abb22fa70351fe3697a5c6b
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PiperOrigin-RevId: 203499064
Change-Id: I2cd5189638e94ce926f1e82c1264a8d3ece9dfa5
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PiperOrigin-RevId: 203180463
Change-Id: Ief50988c1c028f81ec07a26e704d893e86985bf0
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80bdf8a4068de3ac4a73b6b61a0cdcfe3e3571af accidentally moved vdso into an
inner scope, never assigning the vdso variable passed to the Kernel and
thus skipping VDSO mappings.
Fix this and remove the ability for loadVDSO to skip VDSO mappings,
since tests that do so are gone.
PiperOrigin-RevId: 203169135
Change-Id: Ifd8cadcbaf82f959223c501edcc4d83d05327eba
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Add option to redirect packet back to netstack if it's destined to itself.
This fixes the problem where connecting to the local NIC address would
not work, e.g.:
echo bar | nc -l -p 8080 &
echo foo | nc 192.168.0.2 8080
PiperOrigin-RevId: 203157739
Change-Id: I31c9f7c501e3f55007f25e1852c27893a16ac6c4
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The path in execve(2), interpreter script, and ELF interpreter may all
be no more than a NUL-byte. Handle each of those cases.
PiperOrigin-RevId: 203155745
Change-Id: I1c8b1b387924b23b2cf942341dfc76c9003da959
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PiperOrigin-RevId: 203041657
Change-Id: I120783d91712818e600505454c9276f8d9877f37
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Fun fact: in protocol version negotiation, our 9p version must be
written "9P2000.L". In the 'version' mount option, it must be
written "9p2000.L". Very consistent!
The mount command as given complains about an unknown protocol
version. Drop it entirely because Linux defaults to 9p2000.L
anyways.
PiperOrigin-RevId: 202971961
Change-Id: I5d46c83f03182476033db9c36870c68aeaf30f65
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Updated how restoring occurs through boot.go with a separate Restore function.
This prevents a new process and new mounts from being created.
Added tests to ensure the container is restored.
Registered checkpoint and restore commands so they can be used.
Docker support for these commands is still limited.
Working on #80.
PiperOrigin-RevId: 202710950
Change-Id: I2b893ceaef6b9442b1ce3743bd112383cb92af0c
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There is a subtle bug where during cleanup with unread data a FIN can
be converted to a RST, at that point the entire connection should be
aborted as we're not expecting any ACKs to the RST.
PiperOrigin-RevId: 202691271
Change-Id: Idae70800208ca26e07a379bc6b2b8090805d0a22
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PiperOrigin-RevId: 202671065
Change-Id: I248b74544d47ddde9cd59d89aa6ccb7dad2b6f89
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PiperOrigin-RevId: 202562686
Change-Id: I0f5be7cc9098e86fa31d016251c127cb91084b05
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PiperOrigin-RevId: 202528335
Change-Id: Ic32312cf4337bcb40a7155cb2174e5cd89a280f7
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PiperOrigin-RevId: 202371908
Change-Id: I72603b1d321878cae6404987c49e64732b676331
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CheckIORange is analagous to Linux's access_ok() method, which is checked when
copying in IOVecs in both lib/iov_iter.c:import_single_range() and
lib/iov_iter.c:import_iovec() => fs/read_write.c:rw_copy_check_uvector().
gVisor copies in IOVecs via Task.SingleIOSequence() and Task.CopyInIovecs().
We were checking the address range bounds, but not whether the address is
valid. To conform with linux, we should also check that the address is valid.
For usual preadv/pwritev syscalls, the effect of this change is not noticeable,
since we find out that the address is invalid before the syscall completes.
For vectorized async-IO operations, however, this change is necessary because
Linux returns EFAULT when the operation is submitted, but before it executes.
Thus, we must validate the iovecs when copying them in.
PiperOrigin-RevId: 202370092
Change-Id: I8759a63ccf7e6b90d90d30f78ab8935a0fcf4936
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PiperOrigin-RevId: 202361912
Change-Id: I1d0ee529073954d467b870872f494cebbf8ea61a
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PiperOrigin-RevId: 202236006
Change-Id: I4ea964a70fc49e8b51c9da27d77301c4eadaae71
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If the child stubs are killed by any unmaskable signal (e.g. SIGKILL), then
the parent process will similarly be killed, resulting in the death of all
other stubs.
The effect of this is that if the OOM killer selects and kills a stub, the
effect is the same as though the OOM killer selected and killed the sentry.
PiperOrigin-RevId: 202219984
Change-Id: I0b638ce7e59e0a0f4d5cde12a7d05242673049d7
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PiperOrigin-RevId: 202180487
Change-Id: I95cce41a4842ab731a4821b387b32008bfbdcb08
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PiperOrigin-RevId: 202175558
Change-Id: I0113cb9a90d7a0cd7964bf43eef67f70c92d9589
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PiperOrigin-RevId: 202163895
Change-Id: Ib9942fcff80c0834216f4f10780662bef5b52270
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PiperOrigin-RevId: 202151720
Change-Id: I0491172c436bbb32b977f557953ba0bc41cfe299
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The arguments are backwards from the message.
PiperOrigin-RevId: 202054887
Change-Id: Id5750a84ca091f8b8fbe15be8c648d4fa3e31eb2
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PiperOrigin-RevId: 202043776
Change-Id: I4373abbcf735dc1cf4bebbbbb0c7124df36e9e78
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PiperOrigin-RevId: 202043090
Change-Id: I3c47fb3413ca8615d50d8a0503d72fcce9b09421
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PiperOrigin-RevId: 202038397
Change-Id: I074d525f2e2d9bcd43b247b62f86f9129c101b78
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IsChrooted still has the opportunity to race with another thread
entering the FSContext into a chroot, but that is unchanged (and
fine, AFAIK).
PiperOrigin-RevId: 202029117
Change-Id: I38bce763b3a7715fa6ae98aa200a19d51a0235f1
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The interfaces and their addresses are already available via
the stack Intefaces and InterfaceAddrs.
Also add some tests as we had no tests around SIOCGIFCONF. I also added the socket_netgofer lifecycle for IOCTL tests.
PiperOrigin-RevId: 201744863
Change-Id: Ie0a285a2a2f859fa0cafada13201d5941b95499a
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PiperOrigin-RevId: 201738936
Change-Id: Ib75136415e28e8df0c742acd6b9512d4809fe3a8
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PiperOrigin-RevId: 201729703
Change-Id: I486900b0c6ec59533b88da225a5829c474e35a70
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The shutdown behavior where we return EAGAIN for sockets
which are non-blocking is only correct for packet based sockets.
SOCK_STREAM sockets should return EOF.
PiperOrigin-RevId: 201703055
Change-Id: I20b25ceca7286c37766936475855959706fc5397
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PiperOrigin-RevId: 201596247
Change-Id: Id22f47b2cdcbe14aa0d930f7807ba75f91a56724
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SendExternalSignal is no longer called before CreateProcess, so it can
enforce this simplified precondition.
StartForwarding, and after Kernel.Start.
PiperOrigin-RevId: 201591170
Change-Id: Ib7022ef7895612d7d82a00942ab59fa433c4d6e9
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SIGUSR2 was being masked out to be used as a way to dump sentry
stacks. This could cause compatibility problems in cases anyone
uses SIGUSR2 to communicate with the container init process.
PiperOrigin-RevId: 201575374
Change-Id: I312246e828f38ad059139bb45b8addc2ed055d74
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