From 281cd47c154e7cd642e76482f5f07e9f1584c561 Mon Sep 17 00:00:00 2001
From: realmadsci <71108352+realmadsci@users.noreply.github.com>
Date: Fri, 12 Mar 2021 14:46:49 -0500
Subject: libqasan: Add checks for read() and write()

---
 qemu_mode/libqasan/hooks.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'qemu_mode/libqasan/hooks.c')

diff --git a/qemu_mode/libqasan/hooks.c b/qemu_mode/libqasan/hooks.c
index 9c406c74..0e6c3e08 100644
--- a/qemu_mode/libqasan/hooks.c
+++ b/qemu_mode/libqasan/hooks.c
@@ -51,6 +51,7 @@ ssize_t write(int fd, const void *buf, size_t count) {
   void *rtv = __builtin_return_address(0);
 
   QASAN_DEBUG("%14p: write(%d, %p, %zu)\n", rtv, fd, buf, count);
+  QASAN_LOAD(buf, count);
   ssize_t r = __lq_libc_write(fd, buf, count);
   QASAN_DEBUG("\t\t = %zd\n", r);
 
@@ -63,6 +64,7 @@ ssize_t read(int fd, void *buf, size_t count) {
   void *rtv = __builtin_return_address(0);
 
   QASAN_DEBUG("%14p: read(%d, %p, %zu)\n", rtv, fd, buf, count);
+  QASAN_STORE(buf, count);
   ssize_t r = __lq_libc_read(fd, buf, count);
   QASAN_DEBUG("\t\t = %zd\n", r);
 
-- 
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