From: Max Reitz Date: Mon, 28 Oct 2019 17:18:40 +0100 Subject: [PATCH] qcow2: Fix QCOW2_COMPRESSED_SECTOR_MASK Masks for L2 table entries should have 64 bit. Fixes: b6c246942b14d3e0dec46a6c5868ed84e7dbea19 Buglink: https://bugs.launchpad.net/qemu/+bug/1850000 Cc: qemu-stable@nongnu.org Signed-off-by: Max Reitz --- block/qcow2.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/qcow2.h b/block/qcow2.h index 567375e56c..45f9585c08 100644 --- a/block/qcow2.h +++ b/block/qcow2.h @@ -77,7 +77,7 @@ /* Defined in the qcow2 spec (compressed cluster descriptor) */ #define QCOW2_COMPRESSED_SECTOR_SIZE 512U -#define QCOW2_COMPRESSED_SECTOR_MASK (~(QCOW2_COMPRESSED_SECTOR_SIZE - 1)) +#define QCOW2_COMPRESSED_SECTOR_MASK (~(QCOW2_COMPRESSED_SECTOR_SIZE - 1ULL)) /* Must be at least 2 to cover COW */ #define MIN_L2_CACHE_SIZE 2 /* cache entries */