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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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- 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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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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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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Based on the guidelines at
https://opensource.google.com/docs/releasing/authors/.
1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./'
2. Manual fixup of "Google Inc" references.
3. Add AUTHORS file. Authors may request to be added to this file.
4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS.
Fixes #209
PiperOrigin-RevId: 245823212
Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
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PiperOrigin-RevId: 225041520
Change-Id: Ib1afc693e592d308d60db82022c5b7743fd3c646
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PiperOrigin-RevId: 217951017
Change-Id: Ie08bf6987f98467d07457bcf35b5f1ff6e43c035
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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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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: 194583126
Change-Id: Ica1d8821a90f74e7e745962d71801c598c652463
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