Age | Commit message (Collapse) | Author |
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The dependency strace=>kernel grew over time. strace also depends on
task's FD table and FSContext. It could be fixed with some interfaces
the other way, but then we're trading an interface for another, and
kernel.Stracer is likely cleaner.
Closes #155
PiperOrigin-RevId: 305909678
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PiperOrigin-RevId: 297220008
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Example:
epoll_ctl(0x3 anon_inode:[eventpoll], EPOLL_CTL_ADD, 0x6 anon_inode:[eventfd], 0x7efe2fd92a80 {events=EPOLLIN|EPOLLOUT data=0x10203040506070a}) = 0x0 (4.411µs)
epoll_wait(0x3 anon_inode:[eventpoll], 0x7efe2fd92b50 {{events=EPOLLOUT data=0x102030405060708}{events=EPOLLOUT data=0x102030405060708}{events=EPOLLOUT data=0x102030405060708}}, 0x3, 0xffffffff) = 0x3 (29.891µs)
PiperOrigin-RevId: 296258146
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- Added fsbridge package with interface that can be used to open
and read from VFS1 and VFS2 files.
- Converted ELF loader to use fsbridge
- Added VFS2 types to FSContext
- Added vfs.MountNamespace to ThreadGroup
Updates #1623
PiperOrigin-RevId: 295183950
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PiperOrigin-RevId: 294477647
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Log 8, 16, and 32 int optvals and dump the memory of other sizes.
Updates #1782
PiperOrigin-RevId: 293889388
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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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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: 291745021
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Fixes #1490
Fixes #1495
PiperOrigin-RevId: 289523250
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PiperOrigin-RevId: 288965915
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Otherwise, CopyInFDSet will try to allocate a negative-length slice.
PiperOrigin-RevId: 286584907
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Signed-off-by: Haibo Xu <haibo.xu@arm.com>
Change-Id: I006a1845b6aab2c2fdb9d80fffc1868a6a132ecd
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Bitshift operators with signed int is supported in Go 1.13.
PiperOrigin-RevId: 285853622
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I1202 14:55:06.835076 7991 x:0] [ 1] select_test E
select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0})
I1202 14:55:06.835102 7991 x:0] [ 1] select_test X
select(0xa, 0x7fc6ce924c28 [0 1], null, null, 0x7fc6ce924c08 {sec=0 usec=0})
PiperOrigin-RevId: 284831805
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Package strace is missing some syscalls we actually implement (e.g.,
getrandom). We also see newer syscalls sometimes (e.g., membarrier) that would
be handy to have formatted.
Let's go ahead and add all syscalls in the latest upstream release (v5.4), even
though we only intend to implement v4.4. None of them are implemented, just
included as placeholders.
PiperOrigin-RevId: 284797577
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PiperOrigin-RevId: 283613824
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PiperOrigin-RevId: 281795269
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PiperOrigin-RevId: 273365058
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PiperOrigin-RevId: 270680704
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PiperOrigin-RevId: 267498537
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Linux allows to call connect for ANY and the zero port.
PiperOrigin-RevId: 263892534
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PiperOrigin-RevId: 256433283
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This renames FDMap to FDTable and drops the kernel.FD type, which had an entire
package to itself and didn't serve much use (it was freely cast between types,
and served as more of an annoyance than providing any protection.)
Based on BenchmarkFDLookupAndDecRef-12, we can expect 5-10 ns per lookup
operation, and 10-15 ns per concurrent lookup operation of savings.
This also fixes two tangential usage issues with the FDMap. Namely, non-atomic
use of NewFDFrom and associated calls to Remove (that are both racy and fail to
drop the reference on the underlying file.)
PiperOrigin-RevId: 256285890
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Addresses obvious typos, in the documentation only.
COPYBARA_INTEGRATE_REVIEW=https://github.com/google/gvisor/pull/443 from Pixep:fix/documentation-spelling 4d0688164eafaf0b3010e5f4824b35d1e7176d65
PiperOrigin-RevId: 255477779
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This can be merged after:
https://github.com/google/gvisor-website/pull/77
or
https://github.com/google/gvisor-website/pull/78
PiperOrigin-RevId: 253132620
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