projects
/
qemu.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
2d03b49
)
block: Fix nb_sectors check in bdrv_check_byte_request()
author
Kevin Wolf
<kwolf@redhat.com>
Mon, 14 Apr 2014 12:47:14 +0000
(14:47 +0200)
committer
Kevin Wolf
<kwolf@redhat.com>
Tue, 22 Apr 2014 09:57:02 +0000
(11:57 +0200)
nb_sectors is signed, check for negative values.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
block.c
patch
|
blob
|
history
diff --git
a/block.c
b/block.c
index 990a7542a9495ade8237e7b13a68216cc6300bd2..3b7951eb4f887b0a9c6f3a950528a40ab16db0d7 100644
(file)
--- 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;
}