Age | Commit message (Collapse) | Author |
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Test: stack_test.TestDADResolve
PiperOrigin-RevId: 292003124
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Special files can have additional requirements for granularity.
For example, read from eventfd returns EINVAL if a size is less 8 bytes.
Reported-by: syzbot+3905f5493bec08eb7b02@syzkaller.appspotmail.com
PiperOrigin-RevId: 292002926
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PiperOrigin-RevId: 291997879
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Test command:
$ ip route get 1.1.1.1
Fixes: #1099
Signed-off-by: Jianfeng Tan <henry.tjf@antfin.com>
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/1121 from tanjianfeng:fix-1099 e6919f3d4ede5aa51a48b3d2be0d7a4b482dd53d
PiperOrigin-RevId: 291990716
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PiperOrigin-RevId: 291986033
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This isn't in the libc wrapper, but it is in the syscall itself.
Discovered by @xiaobo55x in #1625.
PiperOrigin-RevId: 291973931
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And Type* over Type *. This is basically a whitespace only change.
gVisor code already prefers left-alignment of pointers and references, but
clang-format formats for consistency with the majority of a file, and some
files leaned the wrong way. This is a one-time pass to make us completely
conforming.
Autogenerated with:
$ find . \( -name "*.cc" -or -name "*.c" -or -name "*.h" \) \
| xargs clang-format -i -style="{BasedOnStyle: Google, \
DerivePointerAlignment: false, PointerAlignment: Left}"
PiperOrigin-RevId: 291972421
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PiperOrigin-RevId: 291869423
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Tests:
- header.TestNDPSourceLinkLayerAddressOptionEthernetAddress
- header.TestNDPSourceLinkLayerAddressOptionSerialize
- header.TestNDPOptionsIterCheck
- header.TestNDPOptionsIter
PiperOrigin-RevId: 291856429
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PiperOrigin-RevId: 291844200
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PiperOrigin-RevId: 291821850
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In general, we've learned that logging must be avoided at all
costs in the hot path. It's unlikely that the optimizations
here were significant in any case, since buffer would certainly
escape.
This also adds a test to ensure that the caller identification
works as expected, and so that logging can be benchmarked.
Original:
BenchmarkGoogleLogging-6 1222255 949 ns/op
With this change:
BenchmarkGoogleLogging-6 517323 2346 ns/op
Fixes #184
PiperOrigin-RevId: 291815420
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Because the abi will depend on the core types for marshalling (usermem,
context, safemem, safecopy), these need to be flattened from the sentry
directory. These packages contain no sentry-specific details.
PiperOrigin-RevId: 291811289
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PiperOrigin-RevId: 291803499
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The preferred Copyright holder is "The gVisor Authors".
PiperOrigin-RevId: 291786657
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Fixes #1656
PiperOrigin-RevId: 291777279
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PiperOrigin-RevId: 291774815
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This is to aid later implementation for /dev/net/tun device.
PiperOrigin-RevId: 291746025
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PiperOrigin-RevId: 291745021
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gonet.Conn can be created with both gonet.NewConn and gonet.Dial.
gonet.PacketConn was created only by gonet.DialUDP. This prevented
us from being able to use PacketConn in udp.NewForwarder() context.
This simple constructor - NewPacketConn, allows user to create
correct structure from that context.
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Fixes #1656
PiperOrigin-RevId: 291703760
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Checksum computation is one of the most expensive bits of
packet processing. Manual unrolling of the loop provides
significant improvement in checksum speed.
Updates #1656
BenchmarkChecksum/checksum_64-12 49834124 23.6 ns/op
BenchmarkChecksum/checksum_128-12 27111997 44.1 ns/op
BenchmarkChecksum/checksum_256-12 11416683 91.5 ns/op
BenchmarkChecksum/checksum_512-12 6375298 174 ns/op
BenchmarkChecksum/checksum_1024-12 3403852 338 ns/op
BenchmarkChecksum/checksum_1500-12 2343576 493 ns/op
BenchmarkChecksum/checksum_2048-12 1730521 656 ns/op
BenchmarkChecksum/checksum_4096-12 920469 1327 ns/op
BenchmarkChecksum/checksum_8192-12 445885 2637 ns/op
BenchmarkChecksum/checksum_16384-12 226342 5268 ns/op
BenchmarkChecksum/checksum_32767-12 114210 10503 ns/op
BenchmarkChecksum/checksum_32768-12 99138 10610 ns/op
BenchmarkChecksum/checksum_65535-12 53438 21158 ns/op
BenchmarkChecksum/checksum_65536-12 52993 21067 ns/op
BenchmarkUnrolledChecksum/checksum_64-12 61035639 19.1 ns/op
BenchmarkUnrolledChecksum/checksum_128-12 36067015 33.6 ns/op
BenchmarkUnrolledChecksum/checksum_256-12 19731220 60.4 ns/op
BenchmarkUnrolledChecksum/checksum_512-12 9091291 116 ns/op
BenchmarkUnrolledChecksum/checksum_1024-12 4976406 226 ns/op
BenchmarkUnrolledChecksum/checksum_1500-12 3685224 328 ns/op
BenchmarkUnrolledChecksum/checksum_2048-12 2579108 447 ns/op
BenchmarkUnrolledChecksum/checksum_4096-12 1350475 887 ns/op
BenchmarkUnrolledChecksum/checksum_8192-12 658248 1780 ns/op
BenchmarkUnrolledChecksum/checksum_16384-12 335869 3534 ns/op
BenchmarkUnrolledChecksum/checksum_32767-12 168650 7095 ns/op
BenchmarkUnrolledChecksum/checksum_32768-12 168075 7098 ns/op
BenchmarkUnrolledChecksum/checksum_65535-12 75085 14277 ns/op
BenchmarkUnrolledChecksum/checksum_65536-12 75921 14127 ns/op
PiperOrigin-RevId: 291643290
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PiperOrigin-RevId: 291471892
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PiperOrigin-RevId: 291426657
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Note that in VFS2, filesystem device numbers are per-vfs.FilesystemImpl rather
than global, avoiding the need for a "registry" type to handle save/restore.
(This is more consistent with Linux anyway: compare e.g.
mm/shmem.c:shmem_mount() => fs/super.c:mount_nodev() => (indirectly)
set_anon_super().)
PiperOrigin-RevId: 291425193
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