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Don't bind-mount /proc since we mount our own

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This commit is contained in:
Eelco Dolstra 2012-08-20 15:27:00 -04:00
parent 862c4c5ec5
commit f0eab0636b
1 changed files with 2 additions and 2 deletions
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4
src/libstore/build.cc
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@ -1859,16 +1859,16 @@ void DerivationGoal::initChild()
foreach (PathSet::iterator, i, dirsInChroot) { foreach (PathSet::iterator, i, dirsInChroot) {
Path source = *i; Path source = *i;
Path target = chrootRootDir + source; Path target = chrootRootDir + source;
if (source == "/proc") continue; // backwards compatibility
debug(format("bind mounting `%1%' to `%2%'") % source % target); debug(format("bind mounting `%1%' to `%2%'") % source % target);
createDirs(target); createDirs(target);
if (mount(source.c_str(), target.c_str(), "", MS_BIND, 0) == -1) if (mount(source.c_str(), target.c_str(), "", MS_BIND, 0) == -1)
throw SysError(format("bind mount from `%1%' to `%2%' failed") % source % target); throw SysError(format("bind mount from `%1%' to `%2%' failed") % source % target);
} }
/* Bind a new instance of procfs on /proc to reflect our /* Bind a new instance of procfs on /proc to reflect our
private PID namespace. */ private PID namespace. */
createDirs(chrootRootDir + "/proc");
if (mount("none", (chrootRootDir + "/proc").c_str(), "proc", 0, 0) == -1) if (mount("none", (chrootRootDir + "/proc").c_str(), "proc", 0, 0) == -1)
throw SysError("mounting /proc"); throw SysError("mounting /proc");