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Fix switch_root implementation

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This commit is contained in:
topjohnwu 2020-02-20 21:08:44 -08:00
parent 3e70a61e33
commit 3b8ea599f0
1 changed files with 2 additions and 2 deletions
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4
native/jni/init/mount.cpp
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@ -128,7 +128,7 @@ static void switch_root(const string &path) {
return true;
// Do not include subtrees
for (const auto &m : mounts) {
if (strncmp(me->mnt_dir, m.data(), m.length()) == 0)
if (strncmp(me->mnt_dir, m.data(), m.length()) == 0 && me->mnt_dir[m.length()] == '/')
return true;
}
mounts.emplace_back(me->mnt_dir);
@ -137,7 +137,7 @@ static void switch_root(const string &path) {
for (auto &dir : mounts) {
auto new_path = path + dir;
mkdir(new_path.data(), 0755);
xmount(dir.data(), new_path.c_str(), nullptr, MS_MOVE, nullptr);
xmount(dir.data(), new_path.data(), nullptr, MS_MOVE, nullptr);
}
chdir(path.data());
xmount(path.data(), "/", nullptr, MS_MOVE, nullptr);