fix invalid memory access in pclose

9799560f · Rich Felker · 9c21f434 · 9799560f
隐藏空白更改
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Showing with 2 addition and 1 deletion

src/stdio/pclose.c src/stdio/pclose.c +2 -1

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--- a/src/stdio/pclose.c
+++ b/src/stdio/pclose.c
@@ -3,8 +3,9 @@
 int pclose(FILE *f)
 {
 	int status;
+	pid_t pid = f->pipe_pid;
 	fclose(f);
-	while (waitpid(f->pipe_pid, &status, 0) == -1)
+	while (waitpid(pid, &status, 0) == -1)
 		if (errno != EINTR) return -1;
 	return status;
 }