From 94341f0390a9c3f9d1566664317c1ef93d89000b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolan.mcnamara@collabora.com>
Date: Sun, 21 Apr 2024 14:31:46 +0100
Subject: [PATCH] cid#360697 Ignoring number of bytes read
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Signed-off-by: Caolán McNamara <caolan.mcnamara@collabora.com>
Change-Id: I24c1bf9f103f3bf1325246a0223919ff1dbf62b4
---
 tools/map.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/map.cpp b/tools/map.cpp
index c96e1267e5..a74be833a2 100644
--- a/tools/map.cpp
+++ b/tools/map.cpp
@@ -539,7 +539,7 @@ static void dump_unshared(unsigned proc_id, unsigned parent_id,
         if (lseek(fd, (p / 0x1000 * 8), SEEK_SET) < 0)
             error(EXIT_FAILURE, errno, "Failed to seek in pagemap");
         addr_t vaddrData;
-        if (read(fd, &vaddrData, 8) < 0)
+        if (read(fd, &vaddrData, sizeof(addr_t)) != sizeof(addr_t))
             error(EXIT_FAILURE, errno, "Failed to read vaddrdata");
         {
             // https://patchwork.kernel.org/patch/6787921/