My commit 'block/crypto: implement the encryption key management'
accidently allowed raw luks images to be shared between different
qemu processes without share-rw=on explicit override.
Fix that.
Fixes: bbfdae91fb ("block/crypto: implement the encryption key management")
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1857490
Signed-off-by: Maxim Levitsky <mlevi...@redhat.com>
---
block/crypto.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/block/crypto.c b/block/crypto.c
index 8725c1bc02..0807557763 100644
--- a/block/crypto.c
+++ b/block/crypto.c
@@ -881,7 +881,7 @@ block_crypto_child_perms(BlockDriverState *bs, BdrvChild *c,
* For backward compatibility, manually share the write
* and resize permission
*/
- *nshared |= (BLK_PERM_WRITE | BLK_PERM_RESIZE);
+ *nshared |= shared & (BLK_PERM_WRITE | BLK_PERM_RESIZE);
/*
* Since we are not fully a format driver, don't always request
* the read/resize permission but only when explicitly
--
2.26.2
