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[v11,12/12] parallels: Incorrect condition in out-of-image check

Message ID 20230424091626.195590-13-alexander.ivanov@virtuozzo.com
State New
Headers show
Series parallels: Refactor the code of images checks and fix a bug | expand

Commit Message

Alexander Ivanov April 24, 2023, 9:16 a.m. UTC 
All the offsets in the BAT must be lower than the file size.
Fix the check condition for correct check.

Signed-off-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>
Reviewed-by: Denis V. Lunev <den@openvz.org>
---
 block/parallels.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/block/parallels.c b/block/parallels.c
index a6a1c7ce0e..ce9ac47c55 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -457,7 +457,7 @@  parallels_check_outside_image(BlockDriverState *bs, BdrvCheckResult *res,
     high_off = 0;
     for (i = 0; i < s->bat_size; i++) {
         off = bat2sect(s, i) << BDRV_SECTOR_BITS;
-        if (off > size) {
+        if (off + s->cluster_size > size) {
             fprintf(stderr, "%s cluster %u is outside image\n",
                     fix & BDRV_FIX_ERRORS ? "Repairing" : "ERROR", i);
             res->corruptions++;