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[Qemu-devel] [PATCH] load_uboot_image: don't assume a full header read
From: |
Andrew Jones |
Subject: |
[Qemu-devel] [PATCH] load_uboot_image: don't assume a full header read |
Date: |
Wed, 24 May 2017 11:13:15 +0200 |
Don't allow load_uboot_image() to proceed when less bytes than
header-size was read.
Signed-off-by: Andrew Jones <address@hidden>
---
hw/core/loader.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/hw/core/loader.c b/hw/core/loader.c
index bf17b42cbec2..f72930ca4a41 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -611,8 +611,9 @@ static int load_uboot_image(const char *filename, hwaddr
*ep, hwaddr *loadaddr,
return -1;
size = read(fd, hdr, sizeof(uboot_image_header_t));
- if (size < 0)
+ if (size < sizeof(uboot_image_header_t)) {
goto out;
+ }
bswap_uboot_header(hdr);
--
2.9.4
- [Qemu-devel] [PATCH] load_uboot_image: don't assume a full header read,
Andrew Jones <=