Fix race condition in shtool's mkdir -p implementation (bug #51076)

2024-09-22 02:17:32 +00:00 · 2010-02-18 00:30:12 +00:00 · 2010-02-18 00:30:12 +00:00 · dcfb8ee366
commit dcfb8ee366
parent bf7de28e46
1 changed files with 5 additions and 1 deletions
--- a/build/shtool
+++ b/build/shtool
@ -991,7 +991,11 @@ mkdir )
                    if [ ".$opt_t" = .yes ]; then
                        echo "mkdir $pathcomp" 1>&2
                    fi
-                    mkdir $pathcomp || errstatus=$?
+                    mkdir $pathcomp || {
+                        _errstatus=$?
+                        [ -d "$pathcomp" ] || errstatus=${_errstatus}
+                        unset _errstatus
+                    }
                    if [ ".$opt_o" != . ]; then
                        if [ ".$opt_t" = .yes ]; then
                            echo "chown $opt_o $pathcomp" 1>&2