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[Qemu-devel] [PULL 01/16] block: Fix nb_sectors check in bdrv_check_byte
From: |
Kevin Wolf |
Subject: |
[Qemu-devel] [PULL 01/16] block: Fix nb_sectors check in bdrv_check_byte_request() |
Date: |
Wed, 23 Apr 2014 12:04:36 +0200 |
nb_sectors is signed, check for negative values.
Signed-off-by: Kevin Wolf <address@hidden>
Reviewed-by: Max Reitz <address@hidden>
---
block.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block.c b/block.c
index 990a754..3b7951e 100644
--- a/block.c
+++ b/block.c
@@ -2601,7 +2601,7 @@ static int bdrv_check_byte_request(BlockDriverState *bs,
int64_t offset,
static int bdrv_check_request(BlockDriverState *bs, int64_t sector_num,
int nb_sectors)
{
- if (nb_sectors > INT_MAX / BDRV_SECTOR_SIZE) {
+ if (nb_sectors < 0 || nb_sectors > INT_MAX / BDRV_SECTOR_SIZE) {
return -EIO;
}
--
1.8.3.1
- [Qemu-devel] [PULL 00/16] Block patches, Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 03/16] block: Catch integer overflow in bdrv_rw_co(), Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 04/16] block: Check bdrv_getlength() return value in bdrv_make_zero(), Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 05/16] vmdk: Fix %d and %lld to PRI* in format strings, Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 02/16] block: Limit size to INT_MAX in bdrv_check_byte_request(), Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 01/16] block: Fix nb_sectors check in bdrv_check_byte_request(),
Kevin Wolf <=
- [Qemu-devel] [PULL 07/16] curl: Replaced old error handling with error reporting API., Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 11/16] qemu-img: Avoid duplicate block device IDs, Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 13/16] qemu-iotests: Check common namespace for id and node-name, Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 10/16] block: Add errp to bdrv_new(), Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 12/16] block: Catch duplicate IDs in bdrv_new(), Kevin Wolf, 2014/04/23
- [Qemu-devel] [PULL 14/16] qemu-img: Improve error messages, Kevin Wolf, 2014/04/23