Age | Commit message (Collapse) | Author |
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PiperOrigin-RevId: 383705129
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IPv6 SO_ORIGINAL_DST is supported, and the flag check as-written will detect
when other flags are needed.
Fixes #3549.
PiperOrigin-RevId: 380059115
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Move Error struct to pkg/errors package for use in multiple places.
Move linuxerr static definitions under pkg/errors/linuxerr.
Add a lookup list for quick lookup of *errors.Error by errno. This is useful
when converting syserror errors and unix.Errno/syscall.Errrno values to
*errors.Error.
Update benchmarks routines to include conversions.
The below benchmarks show *errors.Error usage to be comparable to using
unix.Errno.
BenchmarkAssignUnix
BenchmarkAssignUnix-32 787875022 1.284 ns/op
BenchmarkAssignLinuxerr
BenchmarkAssignLinuxerr-32 1000000000 1.209 ns/op
BenchmarkAssignSyserror
BenchmarkAssignSyserror-32 759269229 1.429 ns/op
BenchmarkCompareUnix
BenchmarkCompareUnix-32 1000000000 1.310 ns/op
BenchmarkCompareLinuxerr
BenchmarkCompareLinuxerr-32 1000000000 1.241 ns/op
BenchmarkCompareSyserror
BenchmarkCompareSyserror-32 147196165 8.248 ns/op
BenchmarkSwitchUnix
BenchmarkSwitchUnix-32 373233556 3.664 ns/op
BenchmarkSwitchLinuxerr
BenchmarkSwitchLinuxerr-32 476323929 3.294 ns/op
BenchmarkSwitchSyserror
BenchmarkSwitchSyserror-32 39293408 29.62 ns/op
BenchmarkReturnUnix
BenchmarkReturnUnix-32 1000000000 0.5042 ns/op
BenchmarkReturnLinuxerr
BenchmarkReturnLinuxerr-32 1000000000 0.8152 ns/op
BenchmarkConvertUnixLinuxerr
BenchmarkConvertUnixLinuxerr-32 739948875 1.547 ns/op
BenchmarkConvertUnixLinuxerrZero
BenchmarkConvertUnixLinuxerrZero-32 977733974 1.489 ns/op
PiperOrigin-RevId: 379806801
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Both marshal and usermem are depended on by many packages and a dependency on
marshal can often create circular dependencies. marshal should consider adding
internal dependencies carefully moving forward.
Fixes #6160
PiperOrigin-RevId: 379199882
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- Allow the gofer client to use most xattr namespaces. As documented by the
updated comment, this is consistent with e.g. Linux's FUSE client, and allows
gofers to provide extended attributes from FUSE filesystems.
- Make tmpfs' listxattr omit xattrs in the "trusted" namespace for
non-privileged users.
PiperOrigin-RevId: 378778854
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Fixes #214
PiperOrigin-RevId: 378680466
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Updates #214
PiperOrigin-RevId: 378594929
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There were also other duplicate definitions of the same struct that I have now
removed.
Updates #214
PiperOrigin-RevId: 378579954
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PiperOrigin-RevId: 375740504
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Fixes #5974
Updates #161
PiperOrigin-RevId: 375024740
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Before fix, use of this flag causes an error.
It affects applications like OpenVPN which sets this flag for legacy reasons.
According to linux/if_tun.h "This flag has no real effect".
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PiperOrigin-RevId: 373265454
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PiperOrigin-RevId: 372020696
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Co-Author: ayushranjan
PiperOrigin-RevId: 370785009
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Use MarshalUnsafe for packed types as it is faster than MarshalBytes.
PiperOrigin-RevId: 368076368
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The current SNAT implementation has several limitations:
- SNAT source port has to be specified. It is not optional.
- SNAT source port range is not supported.
- SNAT for UDP is a one-way translation. No response packets
are handled (because conntrack doesn't support UDP currently).
- SNAT and REDIRECT can't work on the same connection.
Fixes #5489
PiperOrigin-RevId: 367750325
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A skeleton implementation of cgroupfs. It supports trivial cpu and
memory controllers with no support for hierarchies.
PiperOrigin-RevId: 366561126
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PiperOrigin-RevId: 366344805
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PiperOrigin-RevId: 362297474
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Restrict ptrace(2) according to the default configurations of the YAMA security
module (mode 1), which is a common default among various Linux distributions.
The new access checks only permit the tracer to proceed if one of the following
conditions is met:
a) The tracer is already attached to the tracee.
b) The target is a descendant of the tracer.
c) The target has explicitly given permission to the tracer through the
PR_SET_PTRACER prctl.
d) The tracer has CAP_SYS_PTRACE.
See security/yama/yama_lsm.c for more details.
Note that these checks are added to CanTrace, which is checked for
PTRACE_ATTACH as well as some other operations, e.g., checking a process'
memory layout through /proc/[pid]/mem.
Since this patch adds restrictions to ptrace, it may break compatibility for
applications run by non-root users that, for instance, rely on being able to
trace processes that are not descended from the tracer (e.g., `gdb -p`). YAMA
restrictions can be turned off by setting /proc/sys/kernel/yama/ptrace_scope
to 0, or exceptions can be made on a per-process basis with the PR_SET_PTRACER
prctl.
Reported-by: syzbot+622822d8bca08c99e8c8@syzkaller.appspotmail.com
PiperOrigin-RevId: 359237723
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This makes it easier to implement dynamically sized types in go-marshal. You
really only need to implement MarshalBytes, UnmarshalBytes and SizeBytes to
implement the entire interface.
By using the `dynamic` tag, the autogenerator will generate the rest of the
methods for us.
This change also simplifies how KernelIPTGetEntries implements Marshallable
using the newly added utility.
PiperOrigin-RevId: 356397114
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PiperOrigin-RevId: 354595623
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