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authorBill Peckham <bpeckham@google.com>2019-03-29 02:42:13 +0100
committerBill Peckham <bpeckham@google.com>2019-03-29 02:42:13 +0100
commit08ba1ad9b1a6406a67feddeff211387225ccd603 (patch)
treec239a341f606b9f8814e6895d2e44aafbd917ec4 /install.cpp
parentMerge "Remove the extern declaration of `sehandle` from roots.cpp." (diff)
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Diffstat (limited to '')
-rw-r--r--install.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/install.cpp b/install.cpp
index b7fb78878..ffa39e46b 100644
--- a/install.cpp
+++ b/install.cpp
@@ -342,7 +342,9 @@ static int try_update_binary(const std::string& package, ZipArchiveHandle zip, b
// The updater in child process writes to the pipe to communicate with recovery.
android::base::unique_fd pipe_read, pipe_write;
- if (!android::base::Pipe(&pipe_read, &pipe_write)) {
+ // Explicitly disable O_CLOEXEC using 0 as the flags (last) parameter to Pipe
+ // so that the child updater process will recieve a non-closed fd.
+ if (!android::base::Pipe(&pipe_read, &pipe_write, 0)) {
PLOG(ERROR) << "Failed to create pipe for updater-recovery communication";
return INSTALL_CORRUPT;
}