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Improve diagnostics when dynamically linked binary is sandboxed, but can't be exec'd.

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PiperOrigin-RevId: 286391400
Change-Id: I016deb34eb895480131da24bc95a6244d92f3710
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Sandboxed API Team 2019-12-19 07:48:09 -08:00 committed by Copybara-Service
parent e969deea33
commit aea1ecd58d
1 changed files with 7 additions and 0 deletions
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sandboxed_api/sandbox2/forkserver.cc
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@ -635,6 +635,13 @@ void ForkServer::ExecuteProcess(int execve_fd, const char** argv,
"sandbox2::ForkServer: This is likely caused by running"
" sandbox2 on too old a kernel."
);
} else if (saved_errno == ENOENT && execve_fd >= 0) {
// Since we know the file exists, it must be that the file is dynamically
// linked and the ELF interpreter is what's actually missing.
SAPI_RAW_LOG(ERROR,
"sandbox2::ForkServer: This is likely caused by running"
" dynamically-linked sandboxee without calling"
" .AddLibrariesForBinary() on the policy builder.");
}
util::Syscall(__NR_exit_group, EXIT_FAILURE);