[libc] Fix memory leak in linux/file.cpp

codefaber · codefaber · commit 92cb9b22f1eb · 2025-07-27T00:25:04.000+03:00
diff --git a/libc/src/__support/File/linux/file.cpp b/libc/src/__support/File/linux/file.cpp
@@ -165,6 +165,7 @@ ErrorOr<LinuxFile *> create_file_from_fd(int fd, const char *mode) {
   auto *file = new (ac)
       LinuxFile(fd, buffer, File::DEFAULT_BUFFER_SIZE, _IOFBF, true, modeflags);
   if (!ac) {
+    free(buffer);
     return Error(ENOMEM);
   }
   if (do_seek) {

Original file line number	Diff line number	Diff line change
`@@ -165,6 +165,7 @@ ErrorOr<LinuxFile > create_file_from_fd(int fd, const char mode) {`
`165`	`165`	`auto *file = new (ac)`
`166`	`166`	`LinuxFile(fd, buffer, File::DEFAULT_BUFFER_SIZE, _IOFBF, true, modeflags);`
`167`	`167`	`if (!ac) {`
	`168`	`+ free(buffer);`
`168`	`169`	`return Error(ENOMEM);`
`169`	`170`	`}`
`170`	`171`	`if (do_seek) {`