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-rw-r--r--install.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/install.cpp b/install.cpp
index 797a525fd..980830cc0 100644
--- a/install.cpp
+++ b/install.cpp
@@ -120,6 +120,7 @@ try_update_binary(const char *path, ZipArchive *zip, int* wipe_cache) {
pid_t pid = fork();
if (pid == 0) {
+ umask(022);
close(pipefd[0]);
execv(binary, (char* const*)args);
fprintf(stdout, "E:Can't run %s (%s)\n", binary, strerror(errno));