1 files changed, 11 insertions, 0 deletions
diff --git a/strbuf.c b/strbuf.c
index ace58e736..00457940c 100644
--- a/strbuf.c
+++ b/strbuf.c
@@ -449,6 +449,17 @@ int strbuf_getcwd(struct strbuf *sb)
 			strbuf_setlen(sb, strlen(sb->buf));
 			return 0;
 		}
+
+		/*
+		 * If getcwd(3) is implemented as a syscall that falls
+		 * back to a regular lookup using readdir(3) etc. then
+		 * we may be able to avoid EACCES by providing enough
+		 * space to the syscall as it's not necessarily bound
+		 * to the same restrictions as the fallback.
+		 */
+		if (errno == EACCES && guessed_len < PATH_MAX)
+			continue;
+
 		if (errno != ERANGE)
 			break;
 	}