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-rw-r--r--updater/blockimg.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/updater/blockimg.cpp b/updater/blockimg.cpp
index 0fa83d9d5..8dbd8c7d1 100644
--- a/updater/blockimg.cpp
+++ b/updater/blockimg.cpp
@@ -44,6 +44,7 @@
#include <android-base/unique_fd.h>
#include <applypatch/applypatch.h>
#include <openssl/sha.h>
+#include <private/android_filesystem_config.h>
#include <ziparchive/zip_archive.h>
#include "edify/expr.h"
@@ -772,6 +773,11 @@ static int WriteStash(const std::string& base, const std::string& id, int blocks
return -1;
}
+ if (fchown(fd, AID_SYSTEM, AID_SYSTEM) != 0) { // system user
+ PLOG(ERROR) << "failed to chown \"" << fn << "\"";
+ return -1;
+ }
+
if (write_all(fd, buffer, blocks * BLOCKSIZE) == -1) {
return -1;
}
@@ -841,6 +847,12 @@ static int CreateStash(State* state, size_t maxblocks, const std::string& blockd
return -1;
}
+ if (chown(dirname.c_str(), AID_SYSTEM, AID_SYSTEM) != 0) { // system user
+ ErrorAbort(state, kStashCreationFailure, "chown \"%s\" failed: %s\n", dirname.c_str(),
+ strerror(errno));
+ return -1;
+ }
+
if (CacheSizeCheck(max_stash_size) != 0) {
ErrorAbort(state, kStashCreationFailure, "not enough space for stash (%zu needed)\n",
max_stash_size);