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Diffstat (limited to 'src/libstore')
| -rw-r--r-- | src/libstore/build.cc | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libstore/build.cc b/src/libstore/build.cc index 86cab9f35..46ce562f7 100644 --- a/src/libstore/build.cc +++ b/src/libstore/build.cc @@ -2656,6 +2656,10 @@ void DerivationGoal::runChild() sandboxProfile += "(deny default (with no-log))\n"; } + /* Disallow creating setuid/setgid binaries, since that + would allow breaking build user isolation. */ + sandboxProfile += "(deny file-write-setugid)\n"; + /* The tmpDir in scope points at the temporary build directory for our derivation. Some packages try different mechanisms to find temporary directories, so we want to open up a broader place for them to dump their files, if needed. */ Path globalTmpDir = canonPath(getEnv("TMPDIR", "/tmp"), true); |